diff options
| author | LaMont Jones <lamont@debian.org> | 2008-05-15 17:19:35 -0600 |
|---|---|---|
| committer | LaMont Jones <lamont@debian.org> | 2008-05-15 17:19:35 -0600 |
| commit | 9116158c3091065ed0ddcb569209119ed98b4fed (patch) | |
| tree | bc186f98afc84adcf396966561da35c8586d664a | |
| parent | abd0f5d555ec9d919c33dd7f65ff8de625fb077a (diff) | |
| download | bind9-9116158c3091065ed0ddcb569209119ed98b4fed.tar.gz | |
9.5.0rc1
169 files changed, 27186 insertions, 19945 deletions
@@ -1,6 +1,129 @@ + --- 9.5.0rc1 released --- + +2368. [port] Linux: use libcap for capability management if + possible. [RT# 18026] + +2367. [bug] Improve counting of dns_resstatscounter_retry + [RT #18030] + +2366. [bug] Adb shutdown race. [RT #18021] + +2365. [bug] Fix a bug that caused dns_acl_isany() to return + spurious results. [RT #18000] + +2364. [bug] named could trigger a assertion when serving a + malformed signed zone. [RT #17828] + +2363. [port] sunos: pre-set "lt_cv_sys_max_cmd_len=4096;". + [RT #17513] + +2362. [cleanup] Make "rrset-order fixed" a compile-time option. + settable by "./configure --enable-fixed-rrset". + Disabled by default. [RT #17977] + +2361. [bug] "recursion" statistics counter could be counted + multiple times for a single query. [RT #17990] + + --- 9.5.0b3 released --- + +2360. [bug] Fix a condition where we release a database version + (which may acquire a lock) while holding the lock. + +2359. [bug] Fix NSID bug. [RT #17942] + +2358. [doc] Update host's default query description. [RT #17934] + +2356. [bug] Builtin mutex profiler was not scalable enough. + [RT #17436] + +2355. [func] Extend the number statistics counters available. + [RT #17590] + +2354. [bug] Failed to initialise sone rdatasetheader_t elements. + [RT #17927] + +2353. [func] Add support for Name Server ID (RFC 5001). + 'dig +nsid' requests NSID from server. + 'request-nsid yes;' causes recursive server to send + NSID requests to upstream servers. Server responds + to NSID requests with the string configured by + 'server-id' option. [RT #17091] + +2352. [bug] Various GSS_API fixups. [RT #17729] + +2351. [bug] convertxsl.pl generated very long lines. [RT #17906] + +2350. [port] win32: IPv6 support. [RT #17797] + +2347. [bug] Delete now traverses the RB tree in the canonical + order. [RT #17451] + +2346. [func] Memory statistics now cover all active memory contexts + in increased detail. [RT #17580] + +2345. [bug] named-checkconf failed to detect when forwarders + were set at both the options/view level and in + a root zone. [RT #17671] + +2344. [bug] Improve "logging{ file ...; };" documentation. + [RT #17888] + +2343. [bug] (Seemingly) duplicate IPv6 entries could be + created in ADB. [RT #17837] + +2341. [bug] libbind: add missing -I../include for off source + tree builds. [RT #17606] + +2340. [port] openbsd: interface configuration. [RT #17700] + +2339. [port] tru64: support for libbind. [RT #17589] + +2338. [bug] check_ds() could be called with a non DS rdataset. + [RT #17598] + +2337. [bug] BUILD_LDFLAGS was not being correctly set. [RT #17614] + +2335. [port] sunos: libbind and *printf() support for long long. + [RT #17513] + +2334. [bug] Bad REQUIRES in fromstruct_in_naptr(), off by one + bug in fromstruct_txt(). [RT #17609] + +2333. [bug] Fix off by one error in isc_time_nowplusinterval(). + [RT #17608] + +2332. [contrib] query-loc-0.4.0. [RT #17602] + +2331. [bug] Failure to regenerate any signatures was not being + reported nor being past back to the UPDATE client. + [RT #17570] + +2330. [bug] Remove potential race condition when handling + over memory events. [RT #17572] + + WARNING: API CHANGE: over memory callback + function now needs to call isc_mem_waterack(). + See <isc/mem.h> for details. + +2329. [bug] Clearer help text for dig's '-x' and '-i' options. + +2328. [maint] Add AAAA addresses for A.ROOT-SERVERS.NET, + F.ROOT-SERVERS.NET, H.ROOT-SERVERS.NET, + J.ROOT-SERVERS.NET, K.ROOT-SERVERS.NET and + M.ROOT-SERVERS.NET. + +2327. [bug] It was possible to dereference a NULL pointer in + rbtdb.c. Implement deadnode processing in zones as + we do for caches. [RT #17312] + +2326. [bug] It was possible to trigger a INSIST in the acache + processing. + +2325. [port] Linux: use capset() function if available. [RT #17557] + --- 9.5.0b2 released --- -2324. [bug] Fix IPv6 matching against "any;" [RT #17533] +2324. [bug] Fix IPv6 matching against "any;". [RT #17533] 2323. [port] tru64: namespace clash. [RT #17547] @@ -133,7 +256,7 @@ 2275. [func] Add support to dig to perform IXFR queries over UDP. [RT #17235] -2274. [func] Log zone transfer statistics. [RT #17161] +2274. [func] Log zone transfer statistics. [RT #17336] 2273. [bug] Adjust log level to WARNING when saving inconsistant stub/slave master and journal files. [RT# 17279] @@ -189,7 +312,7 @@ 2256. [bug] win32: Correctly register the installation location of bindevt.dll. [RT #17159] -2255. [bug] L.ROOT-SERVERS.NET is now 199.7.83.42. +2255. [maint] L.ROOT-SERVERS.NET is now 199.7.83.42. 2254. [bug] timer.c:dispatch() failed to lock timer->lock when reading timer->idle allowing it to see @@ -2284,7 +2407,7 @@ 1568. [bug] nsupdate now reports that the update failed in interactive mode. [RT# 10236] -1567. [bug] B.ROOT-SERVERS.NET is now 192.228.79.201. +1567. [maint] B.ROOT-SERVERS.NET is now 192.228.79.201. 1566. [port] Support for the cmsg framework on Solaris and HP/UX. This also solved the problem that match-destinations @@ -2787,7 +2910,7 @@ 1398. [doc] ARM: notify-also should have been also-notify. [RT #4345] -1397. [bug] J.ROOT-SERVERS.NET is now 192.58.128.30. +1397. [maint] J.ROOT-SERVERS.NET is now 192.58.128.30. 1396. [func] dnssec-signzone: adjust the default signing time by 1 hour to allow for clock skew. @@ -1,6 +1,6 @@ Frequently Asked Questions about BIND 9 -Copyright © 2004-2007 Internet Systems Consortium, Inc. ("ISC") +Copyright © 2004-2008 Internet Systems Consortium, Inc. ("ISC") Copyright © 2000-2003 Internet Software Consortium. @@ -594,7 +594,12 @@ Q: I get the error message "named: capset failed: Operation not permitted" when starting named. A: The capability module, part of "Linux Security Modules/LSM", has not - been loaded into the kernel. See insmod(8). + been loaded into the kernel. See insmod(8), modprobe(8). + + The relevant modules can be loaded by running: + + modprobe commoncap + modprobe capability Q: I'm running BIND on Red Hat Enterprise Linux or Fedora Core - @@ -699,6 +704,18 @@ A: Red Hat Security Enhanced Linux (SELinux) policy security protections : See these man-pages for more information : selinux(8), named_selinux (8), chcon(1), setsebool(8) +Q: Listening on individual IPv6 interfaces does not work. + +A: This is usually due to "/proc/net/if_inet6" not being available in the + chroot file system. Mount another instance of "proc" in the chroot file + system. + + This can be be made permanent by adding a second instance to /etc/ + fstab. + + proc /proc proc defaults 0 0 + proc /var/named/proc proc defaults 0 0 + 4.3. Windows Q: Zone transfers from my BIND 9 master to my Windows 2000 slave fail. @@ -1,7 +1,7 @@ <!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" []> <!-- - - Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + - Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") - Copyright (C) 2000-2003 Internet Software Consortium. - - Permission to use, copy, modify, and/or distribute this software for any @@ -17,7 +17,7 @@ - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: FAQ.xml,v 1.30 2007/11/02 00:25:41 marka Exp $ --> +<!-- $Id: FAQ.xml,v 1.30.26.3 2008/02/25 05:08:10 marka Exp $ --> <article class="faq"> <title>Frequently Asked Questions about BIND 9</title> @@ -27,6 +27,7 @@ <year>2005</year> <year>2006</year> <year>2007</year> + <year>2008</year> <holder>Internet Systems Consortium, Inc. ("ISC")</holder> </copyright> <copyright> @@ -1064,7 +1065,13 @@ client: UDP client handler shutting down due to fatal receive error: unexpected <answer> <para> The capability module, part of "Linux Security Modules/LSM", - has not been loaded into the kernel. See insmod(8). + has not been loaded into the kernel. See insmod(8), modprobe(8). + </para> + <para> + The relevant modules can be loaded by running: +<programlisting> +modprobe commoncap +modprobe capability</programlisting> </para> </answer> </qandaentry> @@ -1233,6 +1240,30 @@ named_cache_t: for files modifiable by named - $ROOTDIR/var/{tmp,named/{slaves,d </para> </answer> </qandaentry> + + <qandaentry> + <question> + <para> + Listening on individual IPv6 interfaces does not work. + </para> + </question> + <answer> + <para> + This is usually due to "/proc/net/if_inet6" not being available + in the chroot file system. Mount another instance of "proc" + in the chroot file system. + </para> + <para> + This can be be made permanent by adding a second instance to + /etc/fstab. + <informalexample> + <programlisting> +proc /proc proc defaults 0 0 +proc /var/named/proc proc defaults 0 0</programlisting> + </informalexample> + </para> + </answer> + </qandaentry> </qandadiv> <!-- Linux --> @@ -54,12 +54,16 @@ BIND 9.5.0 Experimental http server and statistics support for named via xml. + More detailed statistics counters including those supported in BIND 8. + Faster ACL processing. - Use Doxygen to generate internal documention. + Use Doxygen to generate internal documentation. Efficient LRU cache-cleaning mechanism. + NSID support (RFC 5001). + BIND 9.4.0 BIND 9.4.0 has a number of new features over 9.3, @@ -429,8 +433,6 @@ Building -DDIG_SIGCHASE_BU=1) Disable dropping queries from particular well known ports. -DNS_CLIENT_DROPPORT=0 - Disable support for "rrset-order fixed". - -DDNS_RDATASET_FIXED=0 LDFLAGS Linker flags. Defaults to empty string. @@ -466,6 +468,11 @@ Building on the configure command line. The default is operating system dependent. + Support for the "fixed" rrset-order option can be enabled + or disabled by specifying "--enable-fixed-rrset" or + "--disable-fixed-rrset" on the configure command line. + The default is "disabled", to reduce memory footprint. + If your operating system has integrated support for IPv6, it will be used automatically. If you have installed KAME IPv6 separately, use "--with-kame[=PATH]" to specify its location. @@ -508,6 +515,9 @@ Building on your system, and some require Perl; see bin/tests/system/README for details. + SunOS 4 requires "printf" to be installed to make the shared + libraries. sh-utils-1.16 provides a "printf" which compiles + on SunOS 4. Documentation diff --git a/bin/dig/dig.c b/bin/dig/dig.c index f4b43890..9866fa1a 100644 --- a/bin/dig/dig.c +++ b/bin/dig/dig.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dig.c,v 1.218 2007/12/03 00:21:48 marka Exp $ */ +/* $Id: dig.c,v 1.218.12.3 2008/04/03 02:12:21 marka Exp $ */ /*! \file */ @@ -50,7 +50,7 @@ #define ADD_STRING(b, s) { \ if (strlen(s) >= isc_buffer_availablelength(b)) \ - return (ISC_R_NOSPACE); \ + return (ISC_R_NOSPACE); \ else \ isc_buffer_putstr(b, s); \ } @@ -144,8 +144,8 @@ help(void) { " q-type is one of (a,any,mx,ns,soa,hinfo,axfr,txt,...) [default:a]\n" " (Use ixfr=version for type ixfr)\n" " q-opt is one of:\n" -" -x dot-notation (shortcut for in-addr lookups)\n" -" -i (IP6.INT reverse IPv6 lookups)\n" +" -x dot-notation (shortcut for reverse lookups)\n" +" -i (use IP6.INT for IPv6 reverse lookups)\n" " -f filename (batch mode)\n" " -b address[#port] (bind to source address/port)\n" " -p port (specify port number)\n" @@ -194,6 +194,7 @@ help(void) { " +[no]identify (ID responders in short answers)\n" " +[no]trace (Trace delegation down from root)\n" " +[no]dnssec (Request DNSSEC records)\n" +" +[no]nsid (Request Name Server ID)\n" #ifdef DIG_SIGCHASE " +[no]sigchase (Chase DNSSEC signatures)\n" " +trusted-key=#### (Trusted Key when chasing DNSSEC sigs)\n" @@ -383,7 +384,7 @@ printrdataset(dns_name_t *owner_name, dns_rdataset_t *rdataset, else if (nottl || noclass) result = dns_master_stylecreate(&style, styleflags, 24, 24, 32, 40, 80, 8, mctx); - else + else result = dns_master_stylecreate(&style, styleflags, 24, 32, 40, 48, 80, 8, mctx); check_result(result, "dns_master_stylecreate"); @@ -392,7 +393,7 @@ printrdataset(dns_name_t *owner_name, dns_rdataset_t *rdataset, if (style != NULL) dns_master_styledestroy(&style, mctx); - + return(result); } #endif @@ -429,7 +430,7 @@ printmessage(dig_query_t *query, dns_message_t *msg, isc_boolean_t headers) { else if (nottl || noclass) result = dns_master_stylecreate(&style, styleflags, 24, 24, 32, 40, 80, 8, mctx); - else + else result = dns_master_stylecreate(&style, styleflags, 24, 32, 40, 48, 80, 8, mctx); check_result(result, "dns_master_stylecreate"); @@ -638,7 +639,7 @@ printgreeting(int argc, char **argv, dig_lookup_t *lookup) { strncat(lookup->cmdline, append, remaining); } if (first) { - snprintf(append, sizeof(append), + snprintf(append, sizeof(append), ";; global options: %s %s\n", short_form ? "short_form" : "", printcmd ? "printcmd" : ""); @@ -716,7 +717,7 @@ plus_option(char *option, isc_boolean_t is_batchfile, FULLCHECK2("aaonly", "aaflag"); lookup->aaonly = state; break; - case 'd': + case 'd': switch (cmd[2]) { case 'd': /* additional */ FULLCHECK("additional"); @@ -801,13 +802,13 @@ plus_option(char *option, isc_boolean_t is_batchfile, FULLCHECK("defname"); usesearch = state; break; - case 'n': /* dnssec */ + case 'n': /* dnssec */ FULLCHECK("dnssec"); if (state && lookup->edns == -1) lookup->edns = 0; lookup->dnssec = state; break; - case 'o': /* domain */ + case 'o': /* domain */ FULLCHECK("domain"); if (value == NULL) goto need_value; @@ -860,28 +861,40 @@ plus_option(char *option, isc_boolean_t is_batchfile, goto invalid_option; ndots = parse_uint(value, "ndots", MAXNDOTS); break; - case 's': /* nssearch */ - FULLCHECK("nssearch"); - lookup->ns_search_only = state; - if (state) { - lookup->trace_root = ISC_TRUE; - lookup->recurse = ISC_TRUE; - lookup->identify = ISC_TRUE; - lookup->stats = ISC_FALSE; - lookup->comments = ISC_FALSE; - lookup->section_additional = ISC_FALSE; - lookup->section_authority = ISC_FALSE; - lookup->section_question = ISC_FALSE; - lookup->rdtype = dns_rdatatype_ns; - lookup->rdtypeset = ISC_TRUE; - short_form = ISC_TRUE; + case 's': + switch (cmd[2]) { + case 'i': /* nsid */ + FULLCHECK("nsid"); + if (state && lookup->edns == -1) + lookup->edns = 0; + lookup->nsid = state; + break; + case 's': /* nssearch */ + FULLCHECK("nssearch"); + lookup->ns_search_only = state; + if (state) { + lookup->trace_root = ISC_TRUE; + lookup->recurse = ISC_TRUE; + lookup->identify = ISC_TRUE; + lookup->stats = ISC_FALSE; + lookup->comments = ISC_FALSE; + lookup->section_additional = ISC_FALSE; + lookup->section_authority = ISC_FALSE; + lookup->section_question = ISC_FALSE; + lookup->rdtype = dns_rdatatype_ns; + lookup->rdtypeset = ISC_TRUE; + short_form = ISC_TRUE; + } + break; + default: + goto invalid_option; } break; default: goto invalid_option; } break; - case 'q': + case 'q': switch (cmd[1]) { case 'r': /* qr */ FULLCHECK("qr"); @@ -957,11 +970,11 @@ plus_option(char *option, isc_boolean_t is_batchfile, break; #ifdef DIG_SIGCHASE case 'i': /* sigchase */ - FULLCHECK("sigchase"); + FULLCHECK("sigchase"); lookup->sigchase = state; if (lookup->sigchase) lookup->dnssec = ISC_TRUE; - break; + break; #endif case 't': /* stats */ FULLCHECK("stats"); @@ -989,7 +1002,7 @@ plus_option(char *option, isc_boolean_t is_batchfile, timeout = 1; break; #if DIG_SIGCHASE_TD - case 'o': /* topdown */ + case 'o': /* topdown */ FULLCHECK("topdown"); lookup->do_topdown = state; break; @@ -1024,7 +1037,7 @@ plus_option(char *option, isc_boolean_t is_batchfile, #ifdef DIG_SIGCHASE case 'u': /* trusted-key */ FULLCHECK("trusted-key"); - if (value == NULL) + if (value == NULL) goto need_value; if (!state) goto invalid_option; @@ -1158,7 +1171,7 @@ dash_option(char *option, char *next, dig_lookup_t **lookup, hash = strchr(value, '#'); if (hash != NULL) { srcport = (in_port_t) - parse_uint(hash + 1, + parse_uint(hash + 1, "port number", MAXPORT); *hash = '\0'; } else @@ -1211,7 +1224,7 @@ dash_option(char *option, char *next, dig_lookup_t **lookup, (*lookup) = clone_lookup(default_lookup, ISC_TRUE); *need_clone = ISC_TRUE; - strncpy((*lookup)->textname, value, + strncpy((*lookup)->textname, value, sizeof((*lookup)->textname)); (*lookup)->textname[sizeof((*lookup)->textname)-1]=0; (*lookup)->trace_root = ISC_TF((*lookup)->trace || @@ -1250,7 +1263,7 @@ dash_option(char *option, char *next, dig_lookup_t **lookup, (*lookup)->rdtypeset = ISC_TRUE; (*lookup)->ixfr_serial = parse_uint(&value[5], "serial number", - MAXSERIAL); + MAXSERIAL); (*lookup)->section_question = plusquest; (*lookup)->comments = pluscomm; (*lookup)->tcp_mode = ISC_TRUE; @@ -1277,7 +1290,7 @@ dash_option(char *option, char *next, dig_lookup_t **lookup, if (ptr2 == NULL) usage(); ptr3 = next_token(&value,":"); /* secret or NULL */ - if (ptr3 != NULL) { + if (ptr3 != NULL) { if (strcasecmp(ptr, "hmac-md5") == 0) { hmacname = DNS_TSIG_HMACMD5_NAME; digestbits = 0; @@ -1426,7 +1439,7 @@ getaddresses(dig_lookup_t *lookup, const char *host) { char tmp[ISC_NETADDR_FORMATSIZE]; result = bind9_getaddresses(host, 0, sockaddrs, - DIG_MAX_ADDRESSES, &count); + DIG_MAX_ADDRESSES, &count); if (result != ISC_R_SUCCESS) fatal("couldn't get address for '%s': %s", host, isc_result_totext(result)); @@ -1488,7 +1501,7 @@ parse_args(isc_boolean_t is_batchfile, isc_boolean_t config_only, if (homedir != NULL) { unsigned int n; n = snprintf(rcfile, sizeof(rcfile), "%s/.digrc", - homedir); + homedir); if (n < sizeof(rcfile)) batchfp = fopen(rcfile, "r"); } @@ -1568,7 +1581,7 @@ parse_args(isc_boolean_t is_batchfile, isc_boolean_t config_only, tr.base = rv[0]; tr.length = strlen(rv[0]); result = dns_rdatatype_fromtext(&rdtype, - (isc_textregion_t *)&tr); + (isc_textregion_t *)&tr); if (result == ISC_R_SUCCESS && rdtype == dns_rdatatype_ixfr) { result = DNS_R_UNKNOWN; @@ -1589,8 +1602,8 @@ parse_args(isc_boolean_t is_batchfile, isc_boolean_t config_only, lookup->rdtypeset = ISC_TRUE; lookup->ixfr_serial = parse_uint(&rv[0][5], - "serial number", - MAXSERIAL); + "serial number", + MAXSERIAL); lookup->section_question = plusquest; lookup->comments = pluscomm; @@ -1626,7 +1639,7 @@ parse_args(isc_boolean_t is_batchfile, isc_boolean_t config_only, lookup = clone_lookup(default_lookup, ISC_TRUE); need_clone = ISC_TRUE; - strncpy(lookup->textname, rv[0], + strncpy(lookup->textname, rv[0], sizeof(lookup->textname)); lookup->textname[sizeof(lookup->textname)-1]=0; lookup->trace_root = ISC_TF(lookup->trace || diff --git a/bin/dig/dighost.c b/bin/dig/dighost.c index e83736d5..5419fc7a 100644 --- a/bin/dig/dighost.c +++ b/bin/dig/dighost.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dighost.c,v 1.304.12.4 2008/01/17 23:46:35 tbox Exp $ */ +/* $Id: dighost.c,v 1.304.12.5 2008/04/03 02:12:21 marka Exp $ */ /*! \file * \note @@ -724,6 +724,7 @@ make_empty_lookup(void) { looknew->servfail_stops = ISC_TRUE; looknew->besteffort = ISC_TRUE; looknew->dnssec = ISC_FALSE; + looknew->nsid = ISC_FALSE; #ifdef DIG_SIGCHASE looknew->sigchase = ISC_FALSE; #if DIG_SIGCHASE_TD @@ -803,6 +804,7 @@ clone_lookup(dig_lookup_t *lookold, isc_boolean_t servers) { looknew->servfail_stops = lookold->servfail_stops; looknew->besteffort = lookold->besteffort; looknew->dnssec = lookold->dnssec; + looknew->nsid = lookold->nsid; #ifdef DIG_SIGCHASE looknew->sigchase = lookold->sigchase; #if DIG_SIGCHASE_TD @@ -1155,11 +1157,11 @@ setup_libs(void) { /*% * Add EDNS0 option record to a message. Currently, the only supported - * options are UDP buffer size and the DO bit. + * options are UDP buffer size, the DO bit, and NSID request. */ static void add_opt(dns_message_t *msg, isc_uint16_t udpsize, isc_uint16_t edns, - isc_boolean_t dnssec) + isc_boolean_t dnssec, isc_boolean_t nsid) { dns_rdataset_t *rdataset = NULL; dns_rdatalist_t *rdatalist = NULL; @@ -1182,8 +1184,19 @@ add_opt(dns_message_t *msg, isc_uint16_t udpsize, isc_uint16_t edns, rdatalist->ttl = edns << 16; if (dnssec) rdatalist->ttl |= DNS_MESSAGEEXTFLAG_DO; - rdata->data = NULL; - rdata->length = 0; + if (nsid) { + unsigned char data[4]; + isc_buffer_t buf; + + isc_buffer_init(&buf, data, sizeof(data)); + isc_buffer_putuint16(&buf, DNS_OPT_NSID); + isc_buffer_putuint16(&buf, 0); + rdata->data = data; + rdata->length = sizeof(data); + } else { + rdata->data = NULL; + rdata->length = 0; + } ISC_LIST_INIT(rdatalist->rdata); ISC_LIST_APPEND(rdatalist->rdata, rdata, link); dns_rdatalist_tordataset(rdatalist, rdataset); @@ -1998,7 +2011,7 @@ setup_lookup(dig_lookup_t *lookup) { if (lookup->edns < 0) lookup->edns = 0; add_opt(lookup->sendmsg, lookup->udpsize, - lookup->edns, lookup->dnssec); + lookup->edns, lookup->dnssec, lookup->nsid); } result = dns_message_rendersection(lookup->sendmsg, diff --git a/bin/dig/host.1 b/bin/dig/host.1 index 97d2a27e..d985a95a 100644 --- a/bin/dig/host.1 +++ b/bin/dig/host.1 @@ -1,4 +1,4 @@ -.\" Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") +.\" Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") .\" Copyright (C) 2000-2002 Internet Software Consortium. .\" .\" Permission to use, copy, modify, and distribute this software for any @@ -13,7 +13,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: host.1,v 1.28 2007/05/09 03:33:50 marka Exp $ +.\" $Id: host.1,v 1.28.164.2 2008/04/06 01:41:39 tbox Exp $ .\" .hy 0 .ad l @@ -154,7 +154,7 @@ option is used to select the query type. \fItype\fR can be any recognized query type: CNAME, NS, SOA, SIG, KEY, AXFR, etc. When no query type is specified, \fBhost\fR -automatically selects an appropriate query type. By default it looks for A records, but if the +automatically selects an appropriate query type. By default it looks for A, AAAA, and MX records, but if the \fB\-C\fR option was given, queries will be made for SOA records, and if \fIname\fR @@ -213,7 +213,7 @@ runs. \fBdig\fR(1), \fBnamed\fR(8). .SH "COPYRIGHT" -Copyright \(co 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") +Copyright \(co 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") .br Copyright \(co 2000\-2002 Internet Software Consortium. .br diff --git a/bin/dig/host.docbook b/bin/dig/host.docbook index ffdec1bc..c2951283 100644 --- a/bin/dig/host.docbook +++ b/bin/dig/host.docbook @@ -2,7 +2,7 @@ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [<!ENTITY mdash "—">]> <!-- - - Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + - Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") - Copyright (C) 2000-2002 Internet Software Consortium. - - Permission to use, copy, modify, and/or distribute this software for any @@ -18,7 +18,7 @@ - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: host.docbook,v 1.16 2007/06/18 23:47:17 tbox Exp $ --> +<!-- $Id: host.docbook,v 1.16.130.2 2008/04/05 23:46:39 tbox Exp $ --> <refentry id="man.host"> <refentryinfo> @@ -41,6 +41,7 @@ <year>2004</year> <year>2005</year> <year>2007</year> + <year>2008</year> <holder>Internet Systems Consortium, Inc. ("ISC")</holder> </copyright> <copyright> @@ -199,7 +200,7 @@ NS, SOA, SIG, KEY, AXFR, etc. When no query type is specified, <command>host</command> automatically selects an appropriate query - type. By default it looks for A records, but if the + type. By default it looks for A, AAAA, and MX records, but if the <option>-C</option> option was given, queries will be made for SOA records, and if <parameter>name</parameter> is a dotted-decimal IPv4 diff --git a/bin/dig/host.html b/bin/dig/host.html index 3caafc1a..1d1c1898 100644 --- a/bin/dig/host.html +++ b/bin/dig/host.html @@ -1,5 +1,5 @@ <!-- - - Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + - Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") - Copyright (C) 2000-2002 Internet Software Consortium. - - Permission to use, copy, modify, and distribute this software for any @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: host.html,v 1.27 2007/05/09 03:33:50 marka Exp $ --> +<!-- $Id: host.html,v 1.27.164.2 2008/04/06 01:41:39 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -32,7 +32,7 @@ <div class="cmdsynopsis"><p><code class="command">host</code> [<code class="option">-aCdlnrsTwv</code>] [<code class="option">-c <em class="replaceable"><code>class</code></em></code>] [<code class="option">-N <em class="replaceable"><code>ndots</code></em></code>] [<code class="option">-R <em class="replaceable"><code>number</code></em></code>] [<code class="option">-t <em class="replaceable"><code>type</code></em></code>] [<code class="option">-W <em class="replaceable"><code>wait</code></em></code>] [<code class="option">-m <em class="replaceable"><code>flag</code></em></code>] [<code class="option">-4</code>] [<code class="option">-6</code>] {name} [server]</p></div> </div> <div class="refsect1" lang="en"> -<a name="id2543428"></a><h2>DESCRIPTION</h2> +<a name="id2543431"></a><h2>DESCRIPTION</h2> <p><span><strong class="command">host</strong></span> is a simple utility for performing DNS lookups. It is normally used to convert names to IP addresses and vice versa. @@ -148,7 +148,7 @@ NS, SOA, SIG, KEY, AXFR, etc. When no query type is specified, <span><strong class="command">host</strong></span> automatically selects an appropriate query - type. By default it looks for A records, but if the + type. By default it looks for A, AAAA, and MX records, but if the <code class="option">-C</code> option was given, queries will be made for SOA records, and if <em class="parameter"><code>name</code></em> is a dotted-decimal IPv4 @@ -184,7 +184,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2543725"></a><h2>IDN SUPPORT</h2> +<a name="id2543797"></a><h2>IDN SUPPORT</h2> <p> If <span><strong class="command">host</strong></span> has been built with IDN (internationalized domain name) support, it can accept and display non-ASCII domain names. @@ -198,12 +198,12 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2543748"></a><h2>FILES</h2> +<a name="id2543819"></a><h2>FILES</h2> <p><code class="filename">/etc/resolv.conf</code> </p> </div> <div class="refsect1" lang="en"> -<a name="id2543828"></a><h2>SEE ALSO</h2> +<a name="id2543831"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"><span class="refentrytitle">dig</span>(1)</span>, <span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>. </p> diff --git a/bin/dig/include/dig/dig.h b/bin/dig/include/dig/dig.h index 4c4608df..262a4e5b 100644 --- a/bin/dig/include/dig/dig.h +++ b/bin/dig/include/dig/dig.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dig.h,v 1.105 2007/06/18 23:47:17 tbox Exp $ */ +/* $Id: dig.h,v 1.105.130.2 2008/04/03 06:08:26 tbox Exp $ */ #ifndef DIG_H #define DIG_H @@ -102,7 +102,7 @@ typedef struct dig_searchlist dig_searchlist_t; /*% The dig_lookup structure */ struct dig_lookup { isc_boolean_t - pending, /*%< Pending a successful answer */ + pending, /*%< Pending a successful answer */ waiting_connect, doing_xfr, ns_search_only, /*%< dig +nssearch, host -C */ @@ -129,27 +129,28 @@ struct dig_lookup { need_search, done_as_is, besteffort, - dnssec; + dnssec, + nsid; /*% Name Server ID (RFC 5001) */ #ifdef DIG_SIGCHASE isc_boolean_t sigchase; #if DIG_SIGCHASE_TD - isc_boolean_t do_topdown, - trace_root_sigchase, - rdtype_sigchaseset, - rdclass_sigchaseset; + isc_boolean_t do_topdown, + trace_root_sigchase, + rdtype_sigchaseset, + rdclass_sigchaseset; /* Name we are going to validate RRset */ - char textnamesigchase[MXNAME]; + char textnamesigchase[MXNAME]; #endif #endif - + char textname[MXNAME]; /*% Name we're going to be looking up */ char cmdline[MXNAME]; dns_rdatatype_t rdtype; dns_rdatatype_t qrdtype; #if DIG_SIGCHASE_TD - dns_rdatatype_t rdtype_sigchase; - dns_rdatatype_t qrdtype_sigchase; - dns_rdataclass_t rdclass_sigchase; + dns_rdatatype_t rdtype_sigchase; + dns_rdatatype_t qrdtype_sigchase; + dns_rdataclass_t rdclass_sigchase; #endif dns_rdataclass_t rdclass; isc_boolean_t rdtypeset; @@ -231,7 +232,7 @@ struct dig_searchlist { }; #ifdef DIG_SIGCHASE struct dig_message { - dns_message_t *msg; + dns_message_t *msg; ISC_LINK(dig_message_t) link; }; #endif @@ -249,7 +250,7 @@ extern dig_searchlistlist_t search_list; extern unsigned int extrabytes; extern isc_boolean_t check_ra, have_ipv4, have_ipv6, specified_source, - usesearch, showsearch, qr; + usesearch, showsearch, qr; extern in_port_t port; extern unsigned int timeout; extern isc_mem_t *mctx; diff --git a/bin/named/Makefile.in b/bin/named/Makefile.in index 6655cb19..5f61cdf3 100644 --- a/bin/named/Makefile.in +++ b/bin/named/Makefile.in @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.96.130.3 2008/01/22 22:51:26 marka Exp $ +# $Id: Makefile.in,v 1.96.130.4 2008/03/31 05:06:47 marka Exp $ srcdir = @srcdir@ VPATH = @srcdir@ @@ -134,7 +134,7 @@ bind9.xsl.h: bind9.xsl convertxsl.pl ${PERL} ${srcdir}/convertxsl.pl < ${srcdir}/bind9.xsl > bind9.xsl.h depend: bind9.xsl.h -server.@O@: bind9.xsl.h +statschannel.@O@: bind9.xsl.h installdirs: $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${sbindir} diff --git a/bin/named/bind9.xsl b/bin/named/bind9.xsl index 25f72738..edc10ece 100644 --- a/bin/named/bind9.xsl +++ b/bin/named/bind9.xsl @@ -1,6 +1,6 @@ <?xml version="1.0" encoding="UTF-8"?> <!-- - - Copyright (C) 2006, 2007 Internet Systems Consortium, Inc. ("ISC") + - Copyright (C) 2006-2008 Internet Systems Consortium, Inc. ("ISC") - - Permission to use, copy, modify, and/or distribute this software for any - purpose with or without fee is hereby granted, provided that the above @@ -15,7 +15,7 @@ - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: bind9.xsl,v 1.13 2007/06/18 23:47:18 tbox Exp $ --> +<!-- $Id: bind9.xsl,v 1.13.130.4 2008/04/09 22:49:37 jinmei Exp $ --> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" @@ -55,6 +55,11 @@ tr.lrow { color: #ffffff; } +td, th { + padding-right: 5px; + padding-left: 5px; +} + .header { background-color: teal; color: #ffffff; @@ -99,21 +104,293 @@ tr.lrow { <br/> <table> - <tr class="rowh"><th colspan="2">Server statistics</th></tr> - <xsl:for-each select="server/counters/*"> + <tr class="rowh"><th colspan="2">Incoming Requests</th></tr> + <xsl:for-each select="server/requests/opcode"> <tr class="lrow"> - <td><xsl:value-of select="name()"/></td> - <td><xsl:value-of select="."/></td> + <td><xsl:value-of select="name"/></td> + <td><xsl:value-of select="counter"/></td> </tr> </xsl:for-each> </table> - <br/> + <br/> + + <table> + <tr class="rowh"><th colspan="2">Incoming Queries</th></tr> + <xsl:for-each select="server/queries-in/rdtype"> + <tr class="lrow"> + <td><xsl:value-of select="name"/></td> + <td><xsl:value-of select="counter"/></td> + </tr> + </xsl:for-each> + </table> + + <br/> + + <xsl:for-each select="views/view"> + <table> + <tr class="rowh"> + <th colspan="2">Outgoing Queries from View <xsl:value-of select="name"/></th> + </tr> + <xsl:for-each select="rdtype"> + <tr class="lrow"> + <td><xsl:value-of select="name"/></td> + <td><xsl:value-of select="counter"/></td> + </tr> + </xsl:for-each> + </table> + <br/> + </xsl:for-each> + + <br/> + + <table> + <tr class="rowh"><th colspan="10">Server Statistics</th></tr> + <tr class="rowh"> + <!-- The ordering of the following items must be consistent + with dns_nsstatscounter_xxx --> + <th>Requestv4</th> + <th>Requestv6</th> + <th>ReqEdns0</th> + <th>ReqBadEDNSVer</th> + <th>ReqTSIG</th> + <th>ReqSIG0</th> + <th>ReqBadSIG</th> + <th>ReqTCP</th> + <th>AuthQryRej</th> + <th>RecQryRej</th> + </tr> + <tr class="lrow"> + <td><xsl:value-of select="server/nsstats/Requestv4"/></td> + <td><xsl:value-of select="server/nsstats/Requestv6"/></td> + <td><xsl:value-of select="server/nsstats/ReqEdns0"/></td> + <td><xsl:value-of select="server/nsstats/ReqBadEDNSVer"/></td> + <td><xsl:value-of select="server/nsstats/ReqTSIG"/></td> + <td><xsl:value-of select="server/nsstats/ReqSIG0"/></td> + <td><xsl:value-of select="server/nsstats/ReqBadSIG"/></td> + <td><xsl:value-of select="server/nsstats/ReqTCP"/></td> + <td><xsl:value-of select="server/nsstats/AuthQryRej"/></td> + <td><xsl:value-of select="server/nsstats/RecQryRej"/></td> + </tr> + <tr class="rowh"> + <th>XfrRej</th> + <th>UpdateRej</th> + <th>Response</th> + <th>RespTruncated</th> + <th>RespEDNS0</th> + <th>RespTSIG</th> + <th>RespSIG0</th> + <th>QrySuccess</th> + <th>QryAuthAns</th> + <th>QryNoauthAns</th> + </tr> + <tr class="lrow"> + <td><xsl:value-of select="server/nsstats/XfrRej"/></td> + <td><xsl:value-of select="server/nsstats/UpdateRej"/></td> + <td><xsl:value-of select="server/nsstats/Response"/></td> + <td><xsl:value-of select="server/nsstats/TruncatedResp"/></td> + <td><xsl:value-of select="server/nsstats/RespEDNS0"/></td> + <td><xsl:value-of select="server/nsstats/RespTSIG"/></td> + <td><xsl:value-of select="server/nsstats/RespSIG0"/></td> + <td><xsl:value-of select="server/nsstats/QrySuccess"/></td> + <td><xsl:value-of select="server/nsstats/QryAuthAns"/></td> + <td><xsl:value-of select="server/nsstats/QryNoauthAns"/></td> + </tr> + <tr class="rowh"> + <th>QryReferral</th> + <th>QryNxrrset</th> + <th>QrySERVFAIL</th> + <th>QryFORMERR</th> + <th>QryNXDOMAIN</th> + <th>QryRecursion</th> + <th>QryDuplicate</th> + <th>QryDropped</th> + <th>QryFailure</th> + <th>XfrReqDone</th> + </tr> + <tr class="lrow"> + <td><xsl:value-of select="server/nsstats/QryReferral"/></td> + <td><xsl:value-of select="server/nsstats/QryNxrrset"/></td> + <td><xsl:value-of select="server/nsstats/QrySERVFAIL"/></td> + <td><xsl:value-of select="server/nsstats/QryFORMERR"/></td> + <td><xsl:value-of select="server/nsstats/QryNXDOMAIN"/></td> + <td><xsl:value-of select="server/nsstats/QryRecursion"/></td> + <td><xsl:value-of select="server/nsstats/QryDuplicate"/></td> + <td><xsl:value-of select="server/nsstats/QryDropped"/></td> + <td><xsl:value-of select="server/nsstats/QryFailure"/></td> + <td><xsl:value-of select="server/nsstats/XfrReqDone"/></td> + </tr> + <tr class="rowh"> + <th>UpdateReqFwd</th> + <th>UpdateRespFwd</th> + <th>UpdateFwdFail</th> + <th>UpdateDone</th> + <th>UpdateFail</th> + <th>UpdateBadPrereq</th> + <th>RespMismatch</th> + <th /> + <th /> + <th /> + </tr> + <tr class="lrow"> + <td><xsl:value-of select="server/nsstats/UpdateReqFwd"/></td> + <td><xsl:value-of select="server/nsstats/UpdateRespFwd"/></td> + <td><xsl:value-of select="server/nsstats/UpdateFwdFail"/></td> + <td><xsl:value-of select="server/nsstats/UpdateDone"/></td> + <td><xsl:value-of select="server/nsstats/UpdateFail"/></td> + <td><xsl:value-of select="server/nsstats/UpdateBadPrereq"/></td> + <td><xsl:value-of select="server/resstats/Mismatch"/></td> + <td /> + <td /> + <td /> + </tr> + </table> + + <br/> + + <table> + <tr class="rowh"><th colspan="10">Zone Maintenance Statistics</th></tr> + <tr class="rowh"> + <!-- The ordering of the following items must be consistent + with dns_zonestatscounter_xxx --> + <th>NotifyOutv4</th> + <th>NotifyOutv6</th> + <th>NotifyInv4</th> + <th>NotifyInv6</th> + <th>NotifyRej</th> + <th>SOAOutv4</th> + <th>SOAOutv6</th> + <th>AXFRReqv4</th> + <th>AXFRReqv6</th> + <th>IXFRReqv4</th> + </tr> + <tr class="lrow"> + <td><xsl:value-of select="server/zonestats/NotifyOutv4"/></td> + <td><xsl:value-of select="server/zonestats/NotifyOutv6"/></td> + <td><xsl:value-of select="server/zonestats/NotifyInv4"/></td> + <td><xsl:value-of select="server/zonestats/NotifyInv6"/></td> + <td><xsl:value-of select="server/zonestats/NotifyRej"/></td> + <td><xsl:value-of select="server/zonestats/SOAOutv4"/></td> + <td><xsl:value-of select="server/zonestats/SOAOutv6"/></td> + <td><xsl:value-of select="server/zonestats/AXFRReqv4"/></td> + <td><xsl:value-of select="server/zonestats/AXFRReqv6"/></td> + <td><xsl:value-of select="server/zonestats/IXFRReqv4"/></td> + </tr> + <tr class="rowh"> + <th>IXFRReqv6</th> + <th>XfrSuccess</th> + <th>XfrFail</th> + <th/> + <th/> + <th/> + <th/> + <th/> + <th/> + <th/> + </tr> + <tr class="lrow"> + <td><xsl:value-of select="server/zonestats/IXFRReqv6"/></td> + <td><xsl:value-of select="server/zonestats/XfrSuccess"/></td> + <td><xsl:value-of select="server/zonestats/XfrFail"/></td> + <td/> + <td/> + <td/> + <td/> + <td/> + <td/> + <td/> + </tr> + </table> + + <br/> + + <xsl:for-each select="views/view"> + <table> + <tr class="rowh"> + <th colspan="10">Resolver Statistics for View <xsl:value-of select="name"/></th> + </tr> + <tr class="rowh"> + <!-- The ordering of the following items must be consistent + with dns_resstatscounter_xxx --> + <th>Queryv4</th> + <th>Queryv6</th> + <th>Responsev4</th> + <th>Responsev6</th> + <th>NXDOMAIN</th> + <th>SERVFAIL</th> + <th>FORMERR</th> + <th>OtherError</th> + <th>EDNS0Fail</th> + <!-- this counter is not applicable to per-view stat, + but keep it for generating the description table used in + the statschannel.c. + <th>Mismatch</th> --> + <th>Truncated</th> + </tr> + <tr class="lrow"> + <td><xsl:value-of select="resstats/Queryv4"/></td> + <td><xsl:value-of select="resstats/Queryv6"/></td> + <td><xsl:value-of select="resstats/Responsev4"/></td> + <td><xsl:value-of select="resstats/Responsev6"/></td> + <td><xsl:value-of select="resstats/NXDOMAIN"/></td> + <td><xsl:value-of select="resstats/SERVFAIL"/></td> + <td><xsl:value-of select="resstats/FORMERR"/></td> + <td><xsl:value-of select="resstats/OtherError"/></td> + <td><xsl:value-of select="resstats/EDNS0Fail"/></td> + <!-- <td><xsl:value-of select="resstats/Mismatch"/></td> --> + <td><xsl:value-of select="resstats/Truncated"/></td> + </tr> + <tr class="rowh"> + <th>Lame</th> + <th>Retry</th> + <th>GlueFetchv4</th> + <th>GlueFetchv6</th> + <th>GlueFetchv4Fail</th> + <th>GlueFetchv6Fail</th> + <th>ValAttempt</th> + <th>ValOk</th> + <th>ValNegOk</th> + <th>ValFail</th> + </tr> + <tr class="lrow"> + <td><xsl:value-of select="resstats/Lame"/></td> + <td><xsl:value-of select="resstats/Retry"/></td> + <td><xsl:value-of select="resstats/GlueFetchv4"/></td> + <td><xsl:value-of select="resstats/GlueFetchv6"/></td> + <td><xsl:value-of select="resstats/GlueFetchv4Fail"/></td> + <td><xsl:value-of select="resstats/GlueFetchv6Fail"/></td> + <td><xsl:value-of select="resstats/ValAttempt"/></td> + <td><xsl:value-of select="resstats/ValOk"/></td> + <td><xsl:value-of select="resstats/ValNegOk"/></td> + <td><xsl:value-of select="resstats/ValFail"/></td> + </tr> + </table> + <br/> + </xsl:for-each> + + <br/> + + <xsl:for-each select="views/view"> + <table> + <tr class="rowh"> + <th colspan="2">Cache DB RRsets for View <xsl:value-of select="name"/></th> + </tr> + <xsl:for-each select="cache/rrset"> + <tr class="lrow"> + <td><xsl:value-of select="name"/></td> + <td><xsl:value-of select="counter"/></td> + </tr> + </xsl:for-each> + </table> + <br/> + </xsl:for-each> + + <br/> <xsl:for-each select="views/view"> <table> <tr class="rowh"> - <th colspan="11">Zones for View <xsl:value-of select="name"/></th> + <th colspan="10">Zones for View <xsl:value-of select="name"/></th> </tr> <tr class="rowh"> <th>Name</th> @@ -123,10 +400,9 @@ tr.lrow { <th>Referral</th> <th>NXRRSET</th> <th>NXDOMAIN</th> - <th>Recursion</th> <th>Failure</th> - <th>Duplicate</th> - <th>Dropped</th> + <th>XfrReqDone</th> + <th>XfrRej</th> </tr> <xsl:for-each select="zones/zone"> <tr class="lrow"> @@ -140,28 +416,25 @@ tr.lrow { <xsl:value-of select="serial"/> </td> <td> - <xsl:value-of select="counters/success"/> - </td> - <td> - <xsl:value-of select="counters/referral"/> + <xsl:value-of select="counters/QrySuccess"/> </td> <td> - <xsl:value-of select="counters/nxrrset"/> + <xsl:value-of select="counters/QryReferral"/> </td> <td> - <xsl:value-of select="counters/nxdomain"/> + <xsl:value-of select="counters/QryNxrrset"/> </td> <td> - <xsl:value-of select="counters/recursion"/> + <xsl:value-of select="counters/QryNXDOMAIN"/> </td> <td> - <xsl:value-of select="counters/failure"/> + <xsl:value-of select="counters/QryFailure"/> </td> <td> - <xsl:value-of select="counters/duplicate"/> + <xsl:value-of select="counters/XfrReqDone"/> </td> <td> - <xsl:value-of select="counters/dropped"/> + <xsl:value-of select="counters/XfrRej"/> </td> </tr> </xsl:for-each> @@ -274,6 +547,70 @@ tr.lrow { </tr> </xsl:for-each> </table> + <br /> + <table> + <tr class="rowh"> + <th colspan="4">Memory Usage Summary</th> + </tr> + <xsl:for-each select="memory/summary/*"> + <tr class="lrow"> + <td><xsl:value-of select="name()"/></td> + <td><xsl:value-of select="."/></td> + </tr> + </xsl:for-each> + </table> + <br /> + <table> + <tr class="rowh"> + <th colspan="10">Memory Contexts</th> + </tr> + <tr class="rowh"> + <th>ID</th> + <th>Name</th> + <th>References</th> + <th>TotalUse</th> + <th>InUse</th> + <th>MaxUse</th> + <th>BlockSize</th> + <th>Pools</th> + <th>HiWater</th> + <th>LoWater</th> + </tr> + <xsl:for-each select="memory/contexts/context"> + <tr class="lrow"> + <td> + <xsl:value-of select="id"/> + </td> + <td> + <xsl:value-of select="name"/> + </td> + <td> + <xsl:value-of select="references"/> + </td> + <td> + <xsl:value-of select="total"/> + </td> + <td> + <xsl:value-of select="inuse"/> + </td> + <td> + <xsl:value-of select="maxinuse"/> + </td> + <td> + <xsl:value-of select="blocksize"/> + </td> + <td> + <xsl:value-of select="pools"/> + </td> + <td> + <xsl:value-of select="hiwater"/> + </td> + <td> + <xsl:value-of select="lowater"/> + </td> + </tr> + </xsl:for-each> + </table> </body> </html> diff --git a/bin/named/bind9.xsl.h b/bin/named/bind9.xsl.h index 3d4cabd1..80788f8c 100644 --- a/bin/named/bind9.xsl.h +++ b/bin/named/bind9.xsl.h @@ -1,5 +1,698 @@ /* - * Generated by convertxsl.pl 1.9 2007/09/14 06:14:44 marka Exp - * From bind9.xsl 1.13 2007/06/18 23:47:18 tbox Exp + * Generated by convertxsl.pl 1.9.60.4 2008/04/03 10:51:01 marka Exp + * From bind9.xsl 1.13.130.4 2008/04/09 22:49:37 jinmei Exp */ -static char msg[] = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><!-- - Copyright (C) 2006, 2007 Internet Systems Consortium, Inc. (\"ISC\") - - Permission to use, copy, modify, and/or distribute this software for any - purpose with or without fee is hereby granted, provided that the above - copyright notice and this permission notice appear in all copies. - - THE SOFTWARE IS PROVIDED \"AS IS\" AND ISC DISCLAIMS ALL WARRANTIES WITH - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE.--><!-- \045Id: bind9.xsl,v 1.13 2007/06/18 23:47:18 tbox Exp \045 --><xsl:stylesheet version=\"1.0\" xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\" xmlns=\"http://www.w3.org/1999/xhtml\"><xsl:template match=\"isc/bind/statistics\"><html><head><style type=\"text/css\">body { font-family: sans-serif; background-color: #ffffff; color: #000000;}table { border-collapse: collapse;}tr.rowh { text-align: center; border: 1px solid #000000; background-color: #8080ff; color: #ffffff;}tr.row { text-align: right; border: 1px solid #000000; background-color: teal; color: #ffffff;}tr.lrow { text-align: left; border: 1px solid #000000; background-color: teal; color: #ffffff;}.header { background-color: teal; color: #ffffff; padding: 4px;}.content { background-color: #ffffff; color: #000000; padding: 4px;}.item { padding: 4px; align: right;}.value { padding: 4px; font-weight: bold;} </style><title>BIND 9 Statistics</title></head><body><div class=\"header\">Bind 9 Configuration and Statistics</div><br/><table><tr class=\"rowh\"><th colspan=\"2\">Times</th></tr><tr class=\"lrow\"><td>boot-time</td><td><xsl:value-of select=\"server/boot-time\"/></td></tr><tr class=\"lrow\"><td>current-time</td><td><xsl:value-of select=\"server/current-time\"/></td></tr></table><br/><table><tr class=\"rowh\"><th colspan=\"2\">Server statistics</th></tr><xsl:for-each select=\"server/counters/*\"><tr class=\"lrow\"><td><xsl:value-of select=\"name()\"/></td><td><xsl:value-of select=\".\"/></td></tr></xsl:for-each></table><br/><xsl:for-each select=\"views/view\"><table><tr class=\"rowh\"><th colspan=\"11\">Zones for View <xsl:value-of select=\"name\"/></th></tr><tr class=\"rowh\"><th>Name</th><th>Class</th><th>Serial</th><th>Success</th><th>Referral</th><th>NXRRSET</th><th>NXDOMAIN</th><th>Recursion</th><th>Failure</th><th>Duplicate</th><th>Dropped</th></tr><xsl:for-each select=\"zones/zone\"><tr class=\"lrow\"><td><xsl:value-of select=\"name\"/></td><td><xsl:value-of select=\"rdataclass\"/></td><td><xsl:value-of select=\"serial\"/></td><td><xsl:value-of select=\"counters/success\"/></td><td><xsl:value-of select=\"counters/referral\"/></td><td><xsl:value-of select=\"counters/nxrrset\"/></td><td><xsl:value-of select=\"counters/nxdomain\"/></td><td><xsl:value-of select=\"counters/recursion\"/></td><td><xsl:value-of select=\"counters/failure\"/></td><td><xsl:value-of select=\"counters/duplicate\"/></td><td><xsl:value-of select=\"counters/dropped\"/></td></tr></xsl:for-each></table><br/></xsl:for-each><br/><table><tr class=\"rowh\"><th colspan=\"7\">Network Status</th></tr><tr class=\"rowh\"><th>ID</th><th>Name</th><th>Type</th><th>References</th><th>LocalAddress</th><th>PeerAddress</th><th>State</th></tr><xsl:for-each select=\"socketmgr/sockets/socket\"><tr class=\"lrow\"><td><xsl:value-of select=\"id\"/></td><td><xsl:value-of select=\"name\"/></td><td><xsl:value-of select=\"type\"/></td><td><xsl:value-of select=\"references\"/></td><td><xsl:value-of select=\"local-address\"/></td><td><xsl:value-of select=\"peer-address\"/></td><td><xsl:for-each select=\"states\"><xsl:value-of select=\".\"/></xsl:for-each></td></tr></xsl:for-each></table><br/><table><tr class=\"rowh\"><th colspan=\"2\">Task Manager Configuration</th></tr><tr class=\"lrow\"><td>Thread-Model</td><td><xsl:value-of select=\"taskmgr/thread-model/type\"/></td></tr><tr class=\"lrow\"><td>Worker Threads</td><td><xsl:value-of select=\"taskmgr/thread-model/worker-threads\"/></td></tr><tr class=\"lrow\"><td>Default Quantum</td><td><xsl:value-of select=\"taskmgr/thread-model/default-quantum\"/></td></tr><tr class=\"lrow\"><td>Tasks Running</td><td><xsl:value-of select=\"taskmgr/thread-model/tasks-running\"/></td></tr></table><br/><table><tr class=\"rowh\"><th colspan=\"5\">Tasks</th></tr><tr class=\"rowh\"><th>ID</th><th>Name</th><th>References</th><th>State</th><th>Quantum</th></tr><xsl:for-each select=\"taskmgr/tasks/task\"><tr class=\"lrow\"><td><xsl:value-of select=\"id\"/></td><td><xsl:value-of select=\"name\"/></td><td><xsl:value-of select=\"references\"/></td><td><xsl:value-of select=\"state\"/></td><td><xsl:value-of select=\"quantum\"/></td></tr></xsl:for-each></table></body></html></xsl:template></xsl:stylesheet>\n"; +static char xslmsg[] = + "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + "<!--\n" + " - Copyright (C) 2006-2008 Internet Systems Consortium, Inc. (\"ISC\")\n" + " -\n" + " - Permission to use, copy, modify, and/or distribute this software for any\n" + " - purpose with or without fee is hereby granted, provided that the above\n" + " - copyright notice and this permission notice appear in all copies.\n" + " -\n" + " - THE SOFTWARE IS PROVIDED \"AS IS\" AND ISC DISCLAIMS ALL WARRANTIES WITH\n" + " - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\n" + " - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,\n" + " - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\n" + " - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE\n" + " - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\n" + " - PERFORMANCE OF THIS SOFTWARE.\n" + "-->\n" + "\n" + "<!-- \045Id: bind9.xsl,v 1.13.130.4 2008/04/09 22:49:37 jinmei Exp \045 -->\n" + "\n" + "<xsl:stylesheet version=\"1.0\"\n" + " xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\"\n" + " xmlns=\"http://www.w3.org/1999/xhtml\">\n" + " <xsl:template match=\"isc/bind/statistics\">\n" + " <html>\n" + " <head>\n" + " <style type=\"text/css\">\n" + "body {\n" + " font-family: sans-serif;\n" + " background-color: #ffffff;\n" + " color: #000000;\n" + "}\n" + "\n" + "table {\n" + " border-collapse: collapse;\n" + "}\n" + "\n" + "tr.rowh {\n" + " text-align: center;\n" + " border: 1px solid #000000;\n" + " background-color: #8080ff;\n" + " color: #ffffff;\n" + "}\n" + "\n" + "tr.row {\n" + " text-align: right;\n" + " border: 1px solid #000000;\n" + " background-color: teal;\n" + " color: #ffffff;\n" + "}\n" + "\n" + "tr.lrow {\n" + " text-align: left;\n" + " border: 1px solid #000000;\n" + " background-color: teal;\n" + " color: #ffffff;\n" + "}\n" + "\n" + "td, th {\n" + " padding-right: 5px;\n" + " padding-left: 5px;\n" + "}\n" + "\n" + ".header {\n" + " background-color: teal;\n" + " color: #ffffff;\n" + " padding: 4px;\n" + "}\n" + "\n" + ".content {\n" + " background-color: #ffffff;\n" + " color: #000000;\n" + " padding: 4px;\n" + "}\n" + "\n" + ".item {\n" + " padding: 4px;\n" + " align: right;\n" + "}\n" + "\n" + ".value {\n" + " padding: 4px;\n" + " font-weight: bold;\n" + "}\n" + " </style>\n" + " <title>BIND 9 Statistics</title>\n" + " </head>\n" + " <body>\n" + " <div class=\"header\">Bind 9 Configuration and Statistics</div>\n" + "\n" + " <br/>\n" + "\n" + " <table>\n" + " <tr class=\"rowh\"><th colspan=\"2\">Times</th></tr>\n" + " <tr class=\"lrow\">\n" + " <td>boot-time</td>\n" + " <td><xsl:value-of select=\"server/boot-time\"/></td>\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td>current-time</td>\n" + " <td><xsl:value-of select=\"server/current-time\"/></td>\n" + " </tr>\n" + " </table>\n" + "\n" + " <br/>\n" + "\n" + " <table>\n" + " <tr class=\"rowh\"><th colspan=\"2\">Incoming Requests</th></tr>\n" + " <xsl:for-each select=\"server/requests/opcode\">\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"name\"/></td>\n" + " <td><xsl:value-of select=\"counter\"/></td>\n" + " </tr>\n" + " </xsl:for-each>\n" + " </table>\n" + "\n" + " <br/>\n" + "\n" + " <table>\n" + " <tr class=\"rowh\"><th colspan=\"2\">Incoming Queries</th></tr>\n" + " <xsl:for-each select=\"server/queries-in/rdtype\">\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"name\"/></td>\n" + " <td><xsl:value-of select=\"counter\"/></td>\n" + " </tr>\n" + " </xsl:for-each>\n" + " </table>\n" + "\n" + " <br/>\n" + "\n" + " <xsl:for-each select=\"views/view\">\n" + " <table>\n" + " <tr class=\"rowh\">\n" + " <th colspan=\"2\">Outgoing Queries from View <xsl:value-of select=\"name\"/></th>\n" + " </tr>\n" + " <xsl:for-each select=\"rdtype\">\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"name\"/></td>\n" + " <td><xsl:value-of select=\"counter\"/></td>\n" + " </tr>\n" + " </xsl:for-each>\n" + " </table>\n" + " <br/>\n" + " </xsl:for-each>\n" + "\n" + " <br/>\n" + "\n" + " <table>\n" + " <tr class=\"rowh\"><th colspan=\"10\">Server Statistics</th></tr>\n" + " <tr class=\"rowh\">\n" + " <!-- The ordering of the following items must be consistent\n" + " with dns_nsstatscounter_xxx -->\n" + " <th>Requestv4</th>\n" + " <th>Requestv6</th>\n" + " <th>ReqEdns0</th>\n" + " <th>ReqBadEDNSVer</th>\n" + " <th>ReqTSIG</th>\n" + " <th>ReqSIG0</th>\n" + " <th>ReqBadSIG</th>\n" + " <th>ReqTCP</th>\n" + " <th>AuthQryRej</th>\n" + " <th>RecQryRej</th>\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"server/nsstats/Requestv4\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/Requestv6\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/ReqEdns0\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/ReqBadEDNSVer\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/ReqTSIG\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/ReqSIG0\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/ReqBadSIG\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/ReqTCP\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/AuthQryRej\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/RecQryRej\"/></td>\n" + " </tr>\n" + " <tr class=\"rowh\">\n" + " <th>XfrRej</th>\n" + " <th>UpdateRej</th>\n" + " <th>Response</th>\n" + " <th>RespTruncated</th>\n" + " <th>RespEDNS0</th>\n" + " <th>RespTSIG</th>\n" + " <th>RespSIG0</th>\n" + " <th>QrySuccess</th>\n" + " <th>QryAuthAns</th>\n" + " <th>QryNoauthAns</th>\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"server/nsstats/XfrRej\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/UpdateRej\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/Response\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/TruncatedResp\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/RespEDNS0\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/RespTSIG\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/RespSIG0\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/QrySuccess\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/QryAuthAns\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/QryNoauthAns\"/></td>\n" + " </tr>\n" + " <tr class=\"rowh\">\n" + " <th>QryReferral</th>\n" + " <th>QryNxrrset</th>\n" + " <th>QrySERVFAIL</th>\n" + " <th>QryFORMERR</th>\n" + " <th>QryNXDOMAIN</th>\n" + " <th>QryRecursion</th>\n" + " <th>QryDuplicate</th>\n" + " <th>QryDropped</th>\n" + " <th>QryFailure</th>\n" + " <th>XfrReqDone</th>\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"server/nsstats/QryReferral\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/QryNxrrset\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/QrySERVFAIL\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/QryFORMERR\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/QryNXDOMAIN\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/QryRecursion\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/QryDuplicate\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/QryDropped\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/QryFailure\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/XfrReqDone\"/></td>\n" + " </tr>\n" + " <tr class=\"rowh\">\n" + " <th>UpdateReqFwd</th>\n" + " <th>UpdateRespFwd</th>\n" + " <th>UpdateFwdFail</th>\n" + " <th>UpdateDone</th>\n" + " <th>UpdateFail</th>\n" + " <th>UpdateBadPrereq</th>\n" + " <th>RespMismatch</th>\n" + " <th />\n" + " <th />\n" + " <th />\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"server/nsstats/UpdateReqFwd\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/UpdateRespFwd\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/UpdateFwdFail\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/UpdateDone\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/UpdateFail\"/></td>\n" + " <td><xsl:value-of select=\"server/nsstats/UpdateBadPrereq\"/></td>\n" + " <td><xsl:value-of select=\"server/resstats/Mismatch\"/></td>\n" + " <td />\n" + " <td />\n" + " <td />\n" + " </tr>\n" + " </table>\n" + "\n" + " <br/>\n" + "\n" + " <table>\n" + " <tr class=\"rowh\"><th colspan=\"10\">Zone Maintenance Statistics</th></tr>\n" + " <tr class=\"rowh\">\n" + " <!-- The ordering of the following items must be consistent\n" + " with dns_zonestatscounter_xxx -->\n" + " <th>NotifyOutv4</th>\n" + " <th>NotifyOutv6</th>\n" + " <th>NotifyInv4</th>\n" + " <th>NotifyInv6</th>\n" + " <th>NotifyRej</th>\n" + " <th>SOAOutv4</th>\n" + " <th>SOAOutv6</th>\n" + " <th>AXFRReqv4</th>\n" + " <th>AXFRReqv6</th>\n" + " <th>IXFRReqv4</th>\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"server/zonestats/NotifyOutv4\"/></td>\n" + " <td><xsl:value-of select=\"server/zonestats/NotifyOutv6\"/></td>\n" + " <td><xsl:value-of select=\"server/zonestats/NotifyInv4\"/></td>\n" + " <td><xsl:value-of select=\"server/zonestats/NotifyInv6\"/></td>\n" + " <td><xsl:value-of select=\"server/zonestats/NotifyRej\"/></td>\n" + " <td><xsl:value-of select=\"server/zonestats/SOAOutv4\"/></td>\n" + " <td><xsl:value-of select=\"server/zonestats/SOAOutv6\"/></td>\n" + " <td><xsl:value-of select=\"server/zonestats/AXFRReqv4\"/></td>\n" + " <td><xsl:value-of select=\"server/zonestats/AXFRReqv6\"/></td>\n" + " <td><xsl:value-of select=\"server/zonestats/IXFRReqv4\"/></td>\n" + " </tr>\n" + " <tr class=\"rowh\">\n" + " <th>IXFRReqv6</th>\n" + " <th>XfrSuccess</th>\n" + " <th>XfrFail</th>\n" + " <th/>\n" + " <th/>\n" + " <th/>\n" + " <th/>\n" + " <th/>\n" + " <th/>\n" + " <th/>\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"server/zonestats/IXFRReqv6\"/></td>\n" + " <td><xsl:value-of select=\"server/zonestats/XfrSuccess\"/></td>\n" + " <td><xsl:value-of select=\"server/zonestats/XfrFail\"/></td>\n" + " <td/>\n" + " <td/>\n" + " <td/>\n" + " <td/>\n" + " <td/>\n" + " <td/>\n" + " <td/>\n" + " </tr>\n" + " </table>\n" + "\n" + " <br/>\n" + "\n" + " <xsl:for-each select=\"views/view\">\n" + " <table>\n" + " <tr class=\"rowh\">\n" + " <th colspan=\"10\">Resolver Statistics for View <xsl:value-of select=\"name\"/></th>\n" + " </tr>\n" + " <tr class=\"rowh\">\n" + " <!-- The ordering of the following items must be consistent\n" + " with dns_resstatscounter_xxx -->\n" + " <th>Queryv4</th>\n" + " <th>Queryv6</th>\n" + " <th>Responsev4</th>\n" + " <th>Responsev6</th>\n" + " <th>NXDOMAIN</th>\n" + " <th>SERVFAIL</th>\n" + " <th>FORMERR</th>\n" + " <th>OtherError</th>\n" + " <th>EDNS0Fail</th>\n" + " <!-- this counter is not applicable to per-view stat,\n" + " but keep it for generating the description table used in\n" + " the statschannel.c.\n" + " <th>Mismatch</th> -->\n" + " <th>Truncated</th>\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"resstats/Queryv4\"/></td>\n" + " <td><xsl:value-of select=\"resstats/Queryv6\"/></td>\n" + " <td><xsl:value-of select=\"resstats/Responsev4\"/></td>\n" + " <td><xsl:value-of select=\"resstats/Responsev6\"/></td>\n" + " <td><xsl:value-of select=\"resstats/NXDOMAIN\"/></td>\n" + " <td><xsl:value-of select=\"resstats/SERVFAIL\"/></td>\n" + " <td><xsl:value-of select=\"resstats/FORMERR\"/></td>\n" + " <td><xsl:value-of select=\"resstats/OtherError\"/></td>\n" + " <td><xsl:value-of select=\"resstats/EDNS0Fail\"/></td>\n" + " <!-- <td><xsl:value-of select=\"resstats/Mismatch\"/></td> -->\n" + " <td><xsl:value-of select=\"resstats/Truncated\"/></td>\n" + " </tr>\n" + " <tr class=\"rowh\">\n" + " <th>Lame</th>\n" + " <th>Retry</th>\n" + " <th>GlueFetchv4</th>\n" + " <th>GlueFetchv6</th>\n" + " <th>GlueFetchv4Fail</th>\n" + " <th>GlueFetchv6Fail</th>\n" + " <th>ValAttempt</th>\n" + " <th>ValOk</th>\n" + " <th>ValNegOk</th>\n" + " <th>ValFail</th>\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"resstats/Lame\"/></td>\n" + " <td><xsl:value-of select=\"resstats/Retry\"/></td>\n" + " <td><xsl:value-of select=\"resstats/GlueFetchv4\"/></td>\n" + " <td><xsl:value-of select=\"resstats/GlueFetchv6\"/></td>\n" + " <td><xsl:value-of select=\"resstats/GlueFetchv4Fail\"/></td>\n" + " <td><xsl:value-of select=\"resstats/GlueFetchv6Fail\"/></td>\n" + " <td><xsl:value-of select=\"resstats/ValAttempt\"/></td>\n" + " <td><xsl:value-of select=\"resstats/ValOk\"/></td>\n" + " <td><xsl:value-of select=\"resstats/ValNegOk\"/></td>\n" + " <td><xsl:value-of select=\"resstats/ValFail\"/></td>\n" + " </tr>\n" + " </table>\n" + " <br/>\n" + " </xsl:for-each>\n" + "\n" + " <br/>\n" + "\n" + " <xsl:for-each select=\"views/view\">\n" + " <table>\n" + " <tr class=\"rowh\">\n" + " <th colspan=\"2\">Cache DB RRsets for View <xsl:value-of select=\"name\"/></th>\n" + " </tr>\n" + " <xsl:for-each select=\"cache/rrset\">\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"name\"/></td>\n" + " <td><xsl:value-of select=\"counter\"/></td>\n" + " </tr>\n" + " </xsl:for-each>\n" + " </table>\n" + " <br/>\n" + " </xsl:for-each>\n" + "\n" + " <br/>\n" + "\n" + " <xsl:for-each select=\"views/view\">\n" + " <table>\n" + " <tr class=\"rowh\">\n" + " <th colspan=\"10\">Zones for View <xsl:value-of select=\"name\"/></th>\n" + " </tr>\n" + " <tr class=\"rowh\">\n" + " <th>Name</th>\n" + " <th>Class</th>\n" + " <th>Serial</th>\n" + " <th>Success</th>\n" + " <th>Referral</th>\n" + " <th>NXRRSET</th>\n" + " <th>NXDOMAIN</th>\n" + " <th>Failure</th>\n" + " <th>XfrReqDone</th>\n" + " <th>XfrRej</th>\n" + " </tr>\n" + " <xsl:for-each select=\"zones/zone\">\n" + " <tr class=\"lrow\">\n" + " <td>\n" + " <xsl:value-of select=\"name\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"rdataclass\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"serial\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"counters/QrySuccess\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"counters/QryReferral\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"counters/QryNxrrset\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"counters/QryNXDOMAIN\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"counters/QryFailure\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"counters/XfrReqDone\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"counters/XfrRej\"/>\n" + " </td>\n" + " </tr>\n" + " </xsl:for-each>\n" + " </table>\n" + " <br/>\n" + " </xsl:for-each>\n" + "\n" + " <br/>\n" + "\n" + " <table>\n" + " <tr class=\"rowh\">\n" + " <th colspan=\"7\">Network Status</th>\n" + " </tr>\n" + " <tr class=\"rowh\">\n" + " <th>ID</th>\n" + " <th>Name</th>\n" + " <th>Type</th>\n" + " <th>References</th>\n" + " <th>LocalAddress</th>\n" + " <th>PeerAddress</th>\n" + " <th>State</th>\n" + " </tr>\n" + " <xsl:for-each select=\"socketmgr/sockets/socket\">\n" + " <tr class=\"lrow\">\n" + " <td>\n" + " <xsl:value-of select=\"id\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"name\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"type\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"references\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"local-address\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"peer-address\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:for-each select=\"states\">\n" + " <xsl:value-of select=\".\"/>\n" + " </xsl:for-each>\n" + " </td>\n" + " </tr>\n" + " </xsl:for-each>\n" + " </table>\n" + " <br/>\n" + " <table>\n" + " <tr class=\"rowh\">\n" + " <th colspan=\"2\">Task Manager Configuration</th>\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td>Thread-Model</td>\n" + " <td>\n" + " <xsl:value-of select=\"taskmgr/thread-model/type\"/>\n" + " </td>\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td>Worker Threads</td>\n" + " <td>\n" + " <xsl:value-of select=\"taskmgr/thread-model/worker-threads\"/>\n" + " </td>\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td>Default Quantum</td>\n" + " <td>\n" + " <xsl:value-of select=\"taskmgr/thread-model/default-quantum\"/>\n" + " </td>\n" + " </tr>\n" + " <tr class=\"lrow\">\n" + " <td>Tasks Running</td>\n" + " <td>\n" + " <xsl:value-of select=\"taskmgr/thread-model/tasks-running\"/>\n" + " </td>\n" + " </tr>\n" + " </table>\n" + " <br/>\n" + " <table>\n" + " <tr class=\"rowh\">\n" + " <th colspan=\"5\">Tasks</th>\n" + " </tr>\n" + " <tr class=\"rowh\">\n" + " <th>ID</th>\n" + " <th>Name</th>\n" + " <th>References</th>\n" + " <th>State</th>\n" + " <th>Quantum</th>\n" + " </tr>\n" + " <xsl:for-each select=\"taskmgr/tasks/task\">\n" + " <tr class=\"lrow\">\n" + " <td>\n" + " <xsl:value-of select=\"id\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"name\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"references\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"state\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"quantum\"/>\n" + " </td>\n" + " </tr>\n" + " </xsl:for-each>\n" + " </table>\n" + " <br />\n" + " <table>\n" + " <tr class=\"rowh\">\n" + " <th colspan=\"4\">Memory Usage Summary</th>\n" + " </tr>\n" + " <xsl:for-each select=\"memory/summary/*\">\n" + " <tr class=\"lrow\">\n" + " <td><xsl:value-of select=\"name()\"/></td>\n" + " <td><xsl:value-of select=\".\"/></td>\n" + " </tr>\n" + " </xsl:for-each>\n" + " </table>\n" + " <br />\n" + " <table>\n" + " <tr class=\"rowh\">\n" + " <th colspan=\"10\">Memory Contexts</th>\n" + " </tr>\n" + " <tr class=\"rowh\">\n" + " <th>ID</th>\n" + " <th>Name</th>\n" + " <th>References</th>\n" + " <th>TotalUse</th>\n" + " <th>InUse</th>\n" + " <th>MaxUse</th>\n" + " <th>BlockSize</th>\n" + " <th>Pools</th>\n" + " <th>HiWater</th>\n" + " <th>LoWater</th>\n" + " </tr>\n" + " <xsl:for-each select=\"memory/contexts/context\">\n" + " <tr class=\"lrow\">\n" + " <td>\n" + " <xsl:value-of select=\"id\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"name\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"references\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"total\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"inuse\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"maxinuse\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"blocksize\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"pools\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"hiwater\"/>\n" + " </td>\n" + " <td>\n" + " <xsl:value-of select=\"lowater\"/>\n" + " </td>\n" + " </tr>\n" + " </xsl:for-each>\n" + " </table>\n" + "\n" + " </body>\n" + " </html>\n" + " </xsl:template>\n" + "</xsl:stylesheet>\n"; +#ifdef HAVE_LIBXML2 +static const char *nsstats_xmldesc[] = { "Requestv4", + "Requestv6", + "ReqEdns0", + "ReqBadEDNSVer", + "ReqTSIG", + "ReqSIG0", + "ReqBadSIG", + "ReqTCP", + "AuthQryRej", + "RecQryRej", + "XfrRej", + "UpdateRej", + "Response", + "TruncatedResp", + "RespEDNS0", + "RespTSIG", + "RespSIG0", + "QrySuccess", + "QryAuthAns", + "QryNoauthAns", + "QryReferral", + "QryNxrrset", + "QrySERVFAIL", + "QryFORMERR", + "QryNXDOMAIN", + "QryRecursion", + "QryDuplicate", + "QryDropped", + "QryFailure", + "XfrReqDone", + "UpdateReqFwd", + "UpdateRespFwd", + "UpdateFwdFail", + "UpdateDone", + "UpdateFail", + "UpdateBadPrereq" +}; +static const char *zonestats_xmldesc[] = { "NotifyOutv4", + "NotifyOutv6", + "NotifyInv4", + "NotifyInv6", + "NotifyRej", + "SOAOutv4", + "SOAOutv6", + "AXFRReqv4", + "AXFRReqv6", + "IXFRReqv4", + "IXFRReqv6", + "XfrSuccess", + "XfrFail" +}; +static const char *resstats_xmldesc[] = { "Queryv4", + "Queryv6", + "Responsev4", + "Responsev6", + "NXDOMAIN", + "SERVFAIL", + "FORMERR", + "OtherError", + "EDNS0Fail", + "Mismatch", + "Truncated", + "Lame", + "Retry", + "GlueFetchv4", + "GlueFetchv6", + "GlueFetchv4Fail", + "GlueFetchv6Fail", + "ValAttempt", + "ValOk", + "ValNegOk", + "ValFail" +}; +#endif diff --git a/bin/named/client.c b/bin/named/client.c index df98201c..0f076d81 100644 --- a/bin/named/client.c +++ b/bin/named/client.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: client.c,v 1.250 2007/11/26 04:47:17 marka Exp $ */ +/* $Id: client.c,v 1.250.16.5 2008/04/03 06:20:33 tbox Exp $ */ #include <config.h> @@ -41,6 +41,7 @@ #include <dns/rdatalist.h> #include <dns/rdataset.h> #include <dns/resolver.h> +#include <dns/stats.h> #include <dns/tsig.h> #include <dns/view.h> #include <dns/zone.h> @@ -48,6 +49,7 @@ #include <named/interfacemgr.h> #include <named/log.h> #include <named/notify.h> +#include <named/os.h> #include <named/server.h> #include <named/update.h> @@ -132,7 +134,7 @@ struct ns_clientmgr { #define MANAGER_MAGIC ISC_MAGIC('N', 'S', 'C', 'm') #define VALID_MANAGER(m) ISC_MAGIC_VALID(m, MANAGER_MAGIC) -/*! +/*! * Client object states. Ordering is significant: higher-numbered * states are generally "more active", meaning that the client can * have more dynamically allocated data, outstanding events, etc. @@ -286,7 +288,7 @@ exit_check(ns_client_t *client) { * * Keep the view attached until any outstanding updates complete. */ - if (client->nupdates == 0 && + if (client->nupdates == 0 && client->newstate == NS_CLIENTSTATE_FREED && client->view != NULL) dns_view_detach(&client->view); @@ -834,7 +836,7 @@ client_sendpkg(ns_client_t *client, isc_buffer_t *buffer) { isc_buffer_usedregion(buffer, &r); CTRACE("sendto"); - + result = isc_socket_sendto2(socket, &r, client->task, address, pktinfo, client->sendevent, sockflags); @@ -906,6 +908,7 @@ ns_client_send(ns_client_t *client) { unsigned char sendbuf[SEND_BUFFER_SIZE]; unsigned int dnssec_opts; unsigned int preferred_glue; + isc_boolean_t opt_included = ISC_FALSE; REQUIRE(NS_CLIENT_VALID(client)); @@ -943,11 +946,10 @@ ns_client_send(ns_client_t *client) { result = dns_message_renderbegin(client->message, &cctx, &buffer); if (result != ISC_R_SUCCESS) goto done; + if (client->opt != NULL) { result = dns_message_setopt(client->message, client->opt); - /* - * XXXRTH dns_message_setopt() should probably do this... - */ + opt_included = ISC_TRUE; client->opt = NULL; if (result != ISC_R_SUCCESS) goto done; @@ -1003,6 +1005,26 @@ ns_client_send(ns_client_t *client) { result = client_sendpkg(client, &tcpbuffer); } else result = client_sendpkg(client, &buffer); + + /* update statistics (XXXJT: is it okay to access message->xxxkey?) */ + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_response); + if (opt_included) { + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_edns0out); + } + if (client->message->tsigkey != NULL) { + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_tsigout); + } + if (client->message->sig0key != NULL) { + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_sig0out); + } + if ((client->message->flags & DNS_MESSAGEFLAG_TC) != 0) + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_truncatedresp); + if (result == ISC_R_SUCCESS) return; @@ -1108,8 +1130,8 @@ ns_client_error(ns_client_t *client, isc_result_t result) { /* * FORMERR loop avoidance: If we sent a FORMERR message * with the same ID to the same client less than two - * seconds ago, assume that we are in an infinite error - * packet dialog with a server for some protocol whose + * seconds ago, assume that we are in an infinite error + * packet dialog with a server for some protocol whose * error responses look enough like DNS queries to * elicit a FORMERR response. Drop a packet to break * the loop. @@ -1179,11 +1201,46 @@ client_addopt(ns_client_t *client) { */ rdatalist->ttl = (client->extflags & DNS_MESSAGEEXTFLAG_REPLYPRESERVE); - /* - * No EDNS options in the default case. - */ - rdata->data = NULL; - rdata->length = 0; + /* Set EDNS options if applicable */ + if (client->attributes & NS_CLIENTATTR_WANTNSID && + (ns_g_server->server_id != NULL || + ns_g_server->server_usehostname)) { + /* + * Space required for NSID data: + * 2 bytes for opt code + * + 2 bytes for NSID length + * + NSID itself + */ + char nsid[BUFSIZ]; + isc_buffer_t *buffer = NULL; + + if (ns_g_server->server_usehostname) { + isc_result_t result; + result = ns_os_gethostname(nsid, sizeof(nsid)); + if (result != ISC_R_SUCCESS) { + goto no_nsid; + } + } else { + strncpy(nsid, ns_g_server->server_id, sizeof(nsid)); + } + + rdata->length = strlen(nsid) + 4; + result = isc_buffer_allocate(client->mctx, &buffer, + rdata->length); + if (result != ISC_R_SUCCESS) + goto no_nsid; + + isc_buffer_putuint16(buffer, DNS_OPT_NSID); + isc_buffer_putuint16(buffer, strlen(nsid)); + isc_buffer_putstr(buffer, nsid); + rdata->data = buffer->base; + dns_message_takebuffer(client->message, &buffer); + } else { +no_nsid: + rdata->data = NULL; + rdata->length = 0; + } + rdata->rdclass = rdatalist->rdclass; rdata->type = rdatalist->type; rdata->flags = 0; @@ -1284,6 +1341,7 @@ client_request(isc_task_t *task, isc_event_t *event) { isc_buffer_t tbuffer; dns_view_t *view; dns_rdataset_t *opt; + dns_name_t *signame; isc_boolean_t ra; /* Recursion available. */ isc_netaddr_t netaddr; isc_netaddr_t destaddr; @@ -1291,6 +1349,8 @@ client_request(isc_task_t *task, isc_event_t *event) { dns_messageid_t id; unsigned int flags; isc_boolean_t notimp; + dns_rdata_t rdata; + isc_uint16_t optcode; REQUIRE(event != NULL); client = event->ev_arg; @@ -1440,6 +1500,20 @@ client_request(isc_task_t *task, isc_event_t *event) { } /* + * Update some statistics counters. Don't count responses. + */ + if (isc_sockaddr_pf(&client->peeraddr) == PF_INET) { + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_requestv4); + } else { + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_requestv6); + } + if (TCP_CLIENT(client)) + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_tcp); + + /* * Hash the incoming request here as it is after * dns_dispatch_importrecv(). */ @@ -1460,6 +1534,8 @@ client_request(isc_task_t *task, isc_event_t *event) { goto cleanup; } + dns_opcodestats_increment(ns_g_server->opcodestats, + client->message->opcode); switch (client->message->opcode) { case dns_opcode_query: case dns_opcode_update: @@ -1507,12 +1583,35 @@ client_request(isc_task_t *task, isc_event_t *event) { */ client->ednsversion = (opt->ttl & 0x00FF0000) >> 16; if (client->ednsversion > 0) { + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_badednsver); result = client_addopt(client); if (result == ISC_R_SUCCESS) result = DNS_R_BADVERS; ns_client_error(client, result); goto cleanup; } + + /* Check for NSID request */ + result = dns_rdataset_first(opt); + if (result == ISC_R_SUCCESS) { + dns_rdata_init(&rdata); + dns_rdataset_current(opt, &rdata); + if (rdata.length >= 2) { + isc_buffer_t nsidbuf; + isc_buffer_init(&nsidbuf, + rdata.data, rdata.length); + isc_buffer_add(&nsidbuf, rdata.length); + optcode = isc_buffer_getuint16(&nsidbuf); + if (optcode == DNS_OPT_NSID) + client->attributes |= + NS_CLIENTATTR_WANTNSID; + } + } + + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_edns0in); + /* * Create an OPT for our reply. */ @@ -1542,7 +1641,7 @@ client_request(isc_task_t *task, isc_event_t *event) { * For IPv6 UDP queries, we get this from the pktinfo structure (if * supported). * If all the attempts fail (this can happen due to memory shortage, - * etc), we regard this as an error for safety. + * etc), we regard this as an error for safety. */ if ((client->interface->flags & NS_INTERFACEFLAG_ANYADDR) == 0) isc_netaddr_fromsockaddr(&destaddr, &client->interface->addr); @@ -1657,6 +1756,17 @@ client_request(isc_task_t *task, isc_event_t *event) { client->signer = NULL; dns_name_init(&client->signername, NULL); result = dns_message_signer(client->message, &client->signername); + if (result != ISC_R_NOTFOUND) { + signame = NULL; + if (dns_message_gettsig(client->message, &signame) != NULL) { + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_tsigin); + } else { + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_sig0in); + } + + } if (result == ISC_R_SUCCESS) { ns_client_log(client, DNS_LOGCATEGORY_SECURITY, NS_LOGMODULE_CLIENT, ISC_LOG_DEBUG(3), @@ -1673,15 +1783,17 @@ client_request(isc_task_t *task, isc_event_t *event) { } else { char tsigrcode[64]; isc_buffer_t b; - dns_name_t *name = NULL; dns_rcode_t status; isc_result_t tresult; /* There is a signature, but it is bad. */ - if (dns_message_gettsig(client->message, &name) != NULL) { + dns_generalstats_increment(ns_g_server->nsstats, + dns_nsstatscounter_invalidsig); + signame = NULL; + if (dns_message_gettsig(client->message, &signame) != NULL) { char namebuf[DNS_NAME_FORMATSIZE]; char cnamebuf[DNS_NAME_FORMATSIZE]; - dns_name_format(name, namebuf, sizeof(namebuf)); + dns_name_format(signame, namebuf, sizeof(namebuf)); status = client->message->tsigstatus; isc_buffer_init(&b, tsigrcode, sizeof(tsigrcode) - 1); tresult = dns_tsigrcode_totext(status, &b); @@ -1851,6 +1963,7 @@ get_clientmctx(ns_clientmgr_t *manager, isc_mem_t **mctxp) { result = isc_mem_create(0, 0, &clientmctx); if (result != ISC_R_SUCCESS) return (result); + isc_mem_setname(clientmctx, "client", NULL); manager->mctxpool[manager->nextmctx] = clientmctx; } @@ -2490,12 +2603,12 @@ ns_client_checkaclsilent(ns_client_t *client, isc_sockaddr_t *sockaddr, goto deny; } - + if (sockaddr == NULL) isc_netaddr_fromsockaddr(&netaddr, &client->peeraddr); else isc_netaddr_fromsockaddr(&netaddr, sockaddr); - + result = dns_acl_match(&netaddr, client->signer, acl, &ns_g_server->aclenv, &match, NULL); @@ -2521,7 +2634,7 @@ ns_client_checkacl(ns_client_t *client, isc_sockaddr_t *sockaddr, isc_result_t result = ns_client_checkaclsilent(client, sockaddr, acl, default_allow); - if (result == ISC_R_SUCCESS) + if (result == ISC_R_SUCCESS) ns_client_log(client, DNS_LOGCATEGORY_SECURITY, NS_LOGMODULE_CLIENT, ISC_LOG_DEBUG(3), "%s approved", opname); @@ -2577,7 +2690,7 @@ ns_client_log(ns_client_t *client, isc_logcategory_t *category, void ns_client_aclmsg(const char *msg, dns_name_t *name, dns_rdatatype_t type, - dns_rdataclass_t rdclass, char *buf, size_t len) + dns_rdataclass_t rdclass, char *buf, size_t len) { char namebuf[DNS_NAME_FORMATSIZE]; char typebuf[DNS_RDATATYPE_FORMATSIZE]; diff --git a/bin/named/config.c b/bin/named/config.c index efc67966..ac1074b4 100644 --- a/bin/named/config.c +++ b/bin/named/config.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: config.c,v 1.82.38.2 2008/01/22 23:27:35 tbox Exp $ */ +/* $Id: config.c,v 1.82.38.4 2008/05/01 18:32:31 jinmei Exp $ */ /*! \file */ @@ -99,6 +99,7 @@ options {\n\ use-ixfr true;\n\ edns-udp-size 4096;\n\ max-udp-size 4096;\n\ + request-nsid false;\n\ \n\ /* view */\n\ allow-notify {none;};\n\ @@ -123,7 +124,7 @@ options {\n\ query-source-v6 address *;\n\ notify-source *;\n\ notify-source-v6 *;\n\ - cleaning-interval 60;\n\ + cleaning-interval 0; /* now meaningless */\n\ min-roots 2;\n\ lame-ttl 600;\n\ max-ncache-ttl 10800; /* 3 hours */\n\ diff --git a/bin/named/convertxsl.pl b/bin/named/convertxsl.pl index b6ea4bd9..3ac071a9 100755 --- a/bin/named/convertxsl.pl +++ b/bin/named/convertxsl.pl @@ -1,6 +1,6 @@ #!/usr/bin/env perl # -# Copyright (C) 2006, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2006-2008 Internet Systems Consortium, Inc. ("ISC") # # Permission to use, copy, modify, and/or distribute this software for any # purpose with or without fee is hereby granted, provided that the above @@ -14,19 +14,19 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: convertxsl.pl,v 1.9 2007/09/14 06:14:44 marka Exp $ +# $Id: convertxsl.pl,v 1.9.60.4 2008/04/03 10:51:01 marka Exp $ use strict; use warnings; -my $rev = '$Id: convertxsl.pl,v 1.9 2007/09/14 06:14:44 marka Exp $'; +my $rev = '$Id: convertxsl.pl,v 1.9.60.4 2008/04/03 10:51:01 marka Exp $'; $rev =~ s/\$//g; $rev =~ s/,v//g; $rev =~ s/Id: //; my $xsl = "unknown"; - my $lines = ''; +my (@nsstatsdesc, @zonestatsdesc, @resstatsdesc); while (<>) { chomp; @@ -34,7 +34,23 @@ while (<>) { $xsl = $_ if (/<!-- .Id:.* -->/); # convert Id string to a form not recognisable by cvs. $_ =~ s/<!-- .Id:(.*). -->/<!-- \\045Id: $1\\045 -->/; - $lines .= $_; + if (/server\/nsstats\/(\w+)\"/) { + push(@nsstatsdesc, $1); + } elsif (/server\/zonestats\/(\w+)\"/) { + push(@zonestatsdesc, $1); + } elsif (/\"resstats\/(\w+)\"/) { + push(@resstatsdesc, $1); + } + s/[\ \t]+/ /g; + s/\>\ \</\>\</g; + s/\"/\\\"/g; + s/^/\t\"/; + s/$/\\n\"/; + if ($lines eq "") { + $lines .= $_; + } else { + $lines .= "\n" . $_; + } } $xsl =~ s/\$//g; @@ -42,12 +58,34 @@ $xsl =~ s/<!-- Id: //; $xsl =~ s/ -->.*//; $xsl =~ s/,v//; -$lines =~ s/[\ \t]+/ /g; -$lines =~ s/\>\ \</\>\</g; -$lines =~ s/\"/\\\"/g; - print "/*\n * Generated by $rev \n * From $xsl\n */\n"; -print 'static char msg[] = "'; +print 'static char xslmsg[] =',"\n"; print $lines; -print '\\n";', "\n"; +print ';', "\n"; + +print '#ifdef HAVE_LIBXML2', "\n"; +print "static const char *nsstats_xmldesc[] = {"; +while (my $desc = shift(@nsstatsdesc)) { + print "\t\"$desc\""; + print "," if (@nsstatsdesc); + print "\n"; +} +print "};\n"; + +print "static const char *zonestats_xmldesc[] = {"; +while (my $desc = shift(@zonestatsdesc)) { + print "\t\"$desc\""; + print "," if (@zonestatsdesc); + print "\n"; +} +print "};\n"; + +print "static const char *resstats_xmldesc[] = {"; +while (my $desc = shift(@resstatsdesc)) { + print "\t\"$desc\""; + print "," if (@resstatsdesc); + print "\n"; +} +print "};\n"; +print '#endif', "\n"; diff --git a/bin/named/include/named/client.h b/bin/named/include/named/client.h index 44c800d1..58df59d1 100644 --- a/bin/named/include/named/client.h +++ b/bin/named/include/named/client.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: client.h,v 1.82 2007/06/18 23:47:19 tbox Exp $ */ +/* $Id: client.h,v 1.82.128.2 2008/04/03 06:08:26 tbox Exp $ */ #ifndef NAMED_CLIENT_H #define NAMED_CLIENT_H 1 @@ -24,7 +24,7 @@ ***** Module Info *****/ -/*! \file +/*! \file * \brief * This module defines two objects, ns_client_t and ns_clientmgr_t. * @@ -159,6 +159,7 @@ struct ns_client { #define NS_CLIENTATTR_PKTINFO 0x04 /*%< pktinfo is valid */ #define NS_CLIENTATTR_MULTICAST 0x08 /*%< recv'd from multicast */ #define NS_CLIENTATTR_WANTDNSSEC 0x10 /*%< include dnssec records */ +#define NS_CLIENTATTR_WANTNSID 0x20 /*%< include nameserver ID */ extern unsigned int ns_client_requests; @@ -358,8 +359,8 @@ ns_client_qnamereplace(ns_client_t *client, dns_name_t *name); isc_boolean_t ns_client_isself(dns_view_t *myview, dns_tsigkey_t *mykey, - isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr, - dns_rdataclass_t rdclass, void *arg); + isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr, + dns_rdataclass_t rdclass, void *arg); /*% * Isself callback. */ diff --git a/bin/named/include/named/server.h b/bin/named/include/named/server.h index 362f9721..f1b23edb 100644 --- a/bin/named/include/named/server.h +++ b/bin/named/include/named/server.h @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: server.h,v 1.88.10.3 2008/01/24 02:29:56 jinmei Exp $ */ +/* $Id: server.h,v 1.88.10.4 2008/04/03 06:10:19 marka Exp $ */ #ifndef NAMED_SERVER_H #define NAMED_SERVER_H 1 @@ -91,7 +91,11 @@ struct ns_server { isc_boolean_t flushonshutdown; isc_boolean_t log_queries; /*%< For BIND 8 compatibility */ - dns_stats_t * querystats; /*%< Query statistics counters */ + dns_stats_t * nsstats; /*%< Server statistics */ + dns_stats_t * rcvquerystats; /*% Incoming query statistics */ + dns_stats_t * opcodestats; /*%< Incoming message statistics */ + dns_stats_t * zonestats; /*% Zone management statistics */ + dns_stats_t * resolverstats; /*% Resolver statistics */ ns_controls_t * controls; /*%< Control channels */ unsigned int dispatchgen; @@ -105,6 +109,55 @@ struct ns_server { #define NS_SERVER_MAGIC ISC_MAGIC('S','V','E','R') #define NS_SERVER_VALID(s) ISC_MAGIC_VALID(s, NS_SERVER_MAGIC) +/*% + * Server statistics counters. Used as dns_statscounter_t values. + */ +enum { + dns_nsstatscounter_requestv4 = 0, + dns_nsstatscounter_requestv6 = 1, + dns_nsstatscounter_edns0in = 2, + dns_nsstatscounter_badednsver = 3, + dns_nsstatscounter_tsigin = 4, + dns_nsstatscounter_sig0in = 5, + dns_nsstatscounter_invalidsig = 6, + dns_nsstatscounter_tcp = 7, + + dns_nsstatscounter_authrej = 8, + dns_nsstatscounter_recurserej = 9, + dns_nsstatscounter_xfrrej = 10, + dns_nsstatscounter_updaterej = 11, + + dns_nsstatscounter_response = 12, + dns_nsstatscounter_truncatedresp = 13, + dns_nsstatscounter_edns0out = 14, + dns_nsstatscounter_tsigout = 15, + dns_nsstatscounter_sig0out = 16, + + dns_nsstatscounter_success = 17, + dns_nsstatscounter_authans = 18, + dns_nsstatscounter_nonauthans = 19, + dns_nsstatscounter_referral = 20, + dns_nsstatscounter_nxrrset = 21, + dns_nsstatscounter_servfail = 22, + dns_nsstatscounter_formerr = 23, + dns_nsstatscounter_nxdomain = 24, + dns_nsstatscounter_recursion = 25, + dns_nsstatscounter_duplicate = 26, + dns_nsstatscounter_dropped = 27, + dns_nsstatscounter_failure = 28, + + dns_nsstatscounter_xfrdone = 29, + + dns_nsstatscounter_updatereqfwd = 30, + dns_nsstatscounter_updaterespfwd = 31, + dns_nsstatscounter_updatefwdfail = 32, + dns_nsstatscounter_updatedone = 33, + dns_nsstatscounter_updatefail = 34, + dns_nsstatscounter_updatebadprereq = 35, + + dns_nsstatscounter_max = 36 +}; + void ns_server_create(isc_mem_t *mctx, ns_server_t **serverp); /*%< diff --git a/bin/named/include/named/statschannel.h b/bin/named/include/named/statschannel.h index 9b51dfdf..da89423d 100644 --- a/bin/named/include/named/statschannel.h +++ b/bin/named/include/named/statschannel.h @@ -14,7 +14,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: statschannel.h,v 1.2.2.1 2008/01/17 00:24:31 jinmei Exp $ */ +/* $Id: statschannel.h,v 1.2.2.2 2008/04/03 06:10:19 marka Exp $ */ #ifndef NAMED_STATSCHANNEL_H #define NAMED_STATSCHANNEL_H 1 @@ -52,4 +52,10 @@ ns_statschannels_shutdown(ns_server_t *server); * Initiate shutdown of all the statistics channel listeners. */ +isc_result_t +ns_stats_dump(ns_server_t *server, FILE *fp); +/*%< + * Dump statistics counters managed by the server to the file fp. + */ + #endif /* NAMED_STATSCHANNEL_H */ diff --git a/bin/named/main.c b/bin/named/main.c index f2a3e74a..cd6e9f74 100644 --- a/bin/named/main.c +++ b/bin/named/main.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: main.c,v 1.158 2007/09/26 03:22:43 marka Exp $ */ +/* $Id: main.c,v 1.158.48.2 2008/04/03 23:46:30 tbox Exp $ */ /*! \file */ @@ -356,7 +356,7 @@ parse_command_line(int argc, char *argv[]) { isc_commandline_errprint = ISC_FALSE; while ((ch = isc_commandline_parse(argc, argv, - "46c:C:d:fgi:lm:n:N:p:P:st:u:vx:")) != -1) { + "46c:C:d:fgi:lm:n:N:p:P:st:u:vx:")) != -1) { switch (ch) { case '4': if (disable4) @@ -667,7 +667,7 @@ setup(void) { sizeof(absolute_conffile)); if (result != ISC_R_SUCCESS) ns_main_earlyfatal("could not construct absolute path of " - "configuration file: %s", + "configuration file: %s", isc_result_totext(result)); ns_g_conffile = absolute_conffile; } @@ -767,7 +767,7 @@ ns_smf_get_instance(char **ins_name, int debug, isc_mem_t *mctx) { if (debug) UNEXPECTED_ERROR(__FILE__, __LINE__, "scf_handle_create() failed: %s", - scf_strerror(scf_error())); + scf_strerror(scf_error())); return (ISC_R_FAILURE); } @@ -867,6 +867,7 @@ main(int argc, char *argv[]) { if (result != ISC_R_SUCCESS) ns_main_earlyfatal("isc_mem_create() failed: %s", isc_result_totext(result)); + isc_mem_setname(ns_g_mctx, "main", NULL); setup(); diff --git a/bin/named/query.c b/bin/named/query.c index 843b5540..eb6e580c 100644 --- a/bin/named/query.c +++ b/bin/named/query.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: query.c,v 1.298.48.4 2008/01/24 02:29:56 jinmei Exp $ */ +/* $Id: query.c,v 1.298.48.7 2008/04/29 00:56:50 marka Exp $ */ /*! \file */ @@ -128,35 +128,37 @@ static inline void inc_stats(ns_client_t *client, dns_statscounter_t counter) { dns_zone_t *zone = client->query.authzone; - REQUIRE(counter < DNS_STATS_NCOUNTERS); - - dns_stats_incrementcounter(ns_g_server->querystats, counter); + dns_generalstats_increment(ns_g_server->nsstats, counter); if (zone != NULL) { - dns_stats_t *zonestats = dns_zone_getstats(zone); + dns_stats_t *zonestats = dns_zone_getrequeststats(zone); if (zonestats != NULL) - dns_stats_incrementcounter(zonestats, counter); + dns_generalstats_increment(zonestats, counter); } } static void query_send(ns_client_t *client) { dns_statscounter_t counter; + if ((client->message->flags & DNS_MESSAGEFLAG_AA) == 0) + inc_stats(client, dns_nsstatscounter_nonauthans); + else + inc_stats(client, dns_nsstatscounter_authans); if (client->message->rcode == dns_rcode_noerror) { if (ISC_LIST_EMPTY(client->message->sections[DNS_SECTION_ANSWER])) { if (client->query.isreferral) { - counter = dns_statscounter_referral; + counter = dns_nsstatscounter_referral; } else { - counter = dns_statscounter_nxrrset; + counter = dns_nsstatscounter_nxrrset; } } else { - counter = dns_statscounter_success; + counter = dns_nsstatscounter_success; } } else if (client->message->rcode == dns_rcode_nxdomain) { - counter = dns_statscounter_nxdomain; + counter = dns_nsstatscounter_nxdomain; } else { /* We end up here in case of YXDOMAIN, and maybe others */ - counter = dns_statscounter_failure; + counter = dns_nsstatscounter_failure; } inc_stats(client, counter); ns_client_send(client); @@ -164,18 +166,28 @@ query_send(ns_client_t *client) { static void query_error(ns_client_t *client, isc_result_t result) { - inc_stats(client, dns_statscounter_failure); + switch (result) { + case DNS_R_SERVFAIL: + inc_stats(client, dns_nsstatscounter_servfail); + break; + case DNS_R_FORMERR: + inc_stats(client, dns_nsstatscounter_formerr); + break; + default: + inc_stats(client, dns_nsstatscounter_failure); + break; + } ns_client_error(client, result); } static void query_next(ns_client_t *client, isc_result_t result) { if (result == DNS_R_DUPLICATE) - inc_stats(client, dns_statscounter_duplicate); + inc_stats(client, dns_nsstatscounter_duplicate); else if (result == DNS_R_DROP) - inc_stats(client, dns_statscounter_dropped); + inc_stats(client, dns_nsstatscounter_dropped); else - inc_stats(client, dns_statscounter_failure); + inc_stats(client, dns_nsstatscounter_failure); ns_client_next(client, result); } @@ -2758,6 +2770,13 @@ query_addwildcardproof(ns_client_t *client, dns_db_t *db, &olabels); (void)dns_name_fullcompare(name, &nsec.next, &order, &nlabels); + /* + * Check for a pathological condition created when + * serving some malformed signed zones and bail out. + */ + if (dns_name_countlabels(name) == nlabels) + goto cleanup; + if (olabels > nlabels) dns_name_split(name, olabels, NULL, wname); else @@ -2925,13 +2944,14 @@ query_resume(isc_task_t *task, isc_event_t *event) { static isc_result_t query_recurse(ns_client_t *client, dns_rdatatype_t qtype, dns_name_t *qdomain, - dns_rdataset_t *nameservers) + dns_rdataset_t *nameservers, isc_boolean_t resuming) { isc_result_t result; dns_rdataset_t *rdataset, *sigrdataset; isc_sockaddr_t *peeraddr; - inc_stats(client, dns_statscounter_recursion); + if (!resuming) + inc_stats(client, dns_nsstatscounter_recursion); /* * We are about to recurse, which means that this client will @@ -3336,6 +3356,7 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) unsigned int options; isc_boolean_t empty_wild; dns_rdataset_t *noqname; + isc_boolean_t resuming; CTRACE("query_find"); @@ -3361,6 +3382,7 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) need_wildcardproof = ISC_FALSE; empty_wild = ISC_FALSE; options = 0; + resuming = ISC_FALSE; if (event != NULL) { /* @@ -3403,6 +3425,7 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) } result = event->result; + resuming = ISC_TRUE; goto resume; } @@ -3490,6 +3513,11 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) } if (result != ISC_R_SUCCESS) { if (result == DNS_R_REFUSED) { + if (WANTRECURSION(client)) { + inc_stats(client, + dns_nsstatscounter_recurserej); + } else + inc_stats(client, dns_nsstatscounter_authrej); if (!PARTIALANSWER(client)) QUERY_ERROR(DNS_R_REFUSED); } else @@ -3603,7 +3631,7 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) */ if (RECURSIONOK(client)) { result = query_recurse(client, qtype, - NULL, NULL); + NULL, NULL, resuming); if (result == ISC_R_SUCCESS) client->query.attributes |= NS_QUERYATTR_RECURSING; @@ -3774,10 +3802,12 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) */ if (dns_rdatatype_atparent(type)) result = query_recurse(client, qtype, - NULL, NULL); + NULL, NULL, + resuming); else result = query_recurse(client, qtype, - fname, rdataset); + fname, rdataset, + resuming); if (result == ISC_R_SUCCESS) client->query.attributes |= NS_QUERYATTR_RECURSING; @@ -4221,7 +4251,8 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) result = query_recurse(client, qtype, NULL, - NULL); + NULL, + resuming); if (result == ISC_R_SUCCESS) client->query.attributes |= NS_QUERYATTR_RECURSING; @@ -4531,6 +4562,7 @@ ns_query_start(ns_client_t *client) { rdataset = ISC_LIST_HEAD(client->query.qname->list); INSIST(rdataset != NULL); qtype = rdataset->type; + dns_rdatatypestats_increment(ns_g_server->rcvquerystats, qtype); if (dns_rdatatype_ismeta(qtype)) { switch (qtype) { case dns_rdatatype_any: diff --git a/bin/named/server.c b/bin/named/server.c index 08973564..d0037d92 100644 --- a/bin/named/server.c +++ b/bin/named/server.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: server.c,v 1.495.10.6 2008/01/24 02:29:56 jinmei Exp $ */ +/* $Id: server.c,v 1.495.10.10 2008/04/03 06:20:33 tbox Exp $ */ /*! \file */ @@ -730,6 +730,11 @@ configure_peer(const cfg_obj_t *cpeer, isc_mem_t *mctx, dns_peer_t **peerp) { CHECK(dns_peer_setrequestixfr(peer, cfg_obj_asboolean(obj))); obj = NULL; + (void)cfg_map_get(cpeer, "request-nsid", &obj); + if (obj != NULL) + CHECK(dns_peer_setrequestnsid(peer, cfg_obj_asboolean(obj))); + + obj = NULL; (void)cfg_map_get(cpeer, "edns", &obj); if (obj != NULL) CHECK(dns_peer_setsupportedns(peer, cfg_obj_asboolean(obj))); @@ -937,6 +942,24 @@ check_dbtype(dns_zone_t **zonep, unsigned int dbtypec, const char **dbargv, isc_mem_free(mctx, argv); } +static isc_result_t +setquerystats(dns_zone_t *zone, isc_mem_t *mctx, isc_boolean_t on) { + isc_result_t result; + dns_stats_t *zoneqrystats; + + zoneqrystats = NULL; + if (on) { + result = dns_generalstats_create(mctx, &zoneqrystats, + dns_nsstatscounter_max); + if (result != ISC_R_SUCCESS) + return (result); + } + dns_zone_setrequeststats(zone, zoneqrystats); + if (zoneqrystats != NULL) + dns_stats_detach(&zoneqrystats); + + return (ISC_R_SUCCESS); +} /* * Configure 'view' according to 'vconfig', taking defaults from 'config' @@ -993,6 +1016,8 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, isc_boolean_t empty_zones_enable; const cfg_obj_t *disablelist = NULL; isc_uint32_t nqports, qports_updateinterval; + dns_stats_t *resstats = NULL; + dns_stats_t *resquerystats = NULL; REQUIRE(DNS_VIEW_VALID(view)); @@ -1042,6 +1067,7 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, CHECK(isc_mem_create(0, 0, &cmctx)); CHECK(dns_acache_create(&view->acache, cmctx, ns_g_taskmgr, ns_g_timermgr)); + isc_mem_setname(cmctx, "acache", NULL); isc_mem_detach(&cmctx); } if (view->acache != NULL) { @@ -1136,6 +1162,8 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, * Configure the view's cache. Try to reuse an existing * cache if possible, otherwise create a new cache. * Note that the ADB is not preserved in either case. + * When a matching view is found, the associated statistics are + * also retrieved and reused. * * XXX Determining when it is safe to reuse a cache is * tricky. When the view's configuration changes, the cached @@ -1157,11 +1185,14 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, "reusing existing cache"); reused_cache = ISC_TRUE; dns_cache_attach(pview->cache, &cache); + dns_view_getresstats(pview, &resstats); + dns_view_getresquerystats(pview, &resquerystats); dns_view_detach(&pview); } else { CHECK(isc_mem_create(0, 0, &cmctx)); CHECK(dns_cache_create(cmctx, ns_g_taskmgr, ns_g_timermgr, view->rdclass, "rbt", 0, NULL, &cache)); + isc_mem_setname(cmctx, "cache", NULL); } dns_view_setcache(view, cache); @@ -1337,6 +1368,15 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, * 60)); } + if (resstats == NULL) { + CHECK(dns_generalstats_create(mctx, &resstats, + dns_resstatscounter_max)); + } + dns_view_setresstats(view, resstats); + if (resquerystats == NULL) + CHECK(dns_rdatatypestats_create(mctx, &resquerystats)); + dns_view_setresquerystats(view, resquerystats); + /* * Set the ADB cache size to 1/8th of the max-cache-size. */ @@ -1655,6 +1695,11 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, view->provideixfr = cfg_obj_asboolean(obj); obj = NULL; + result = ns_config_get(maps, "request-nsid", &obj); + INSIST(result == ISC_R_SUCCESS); + view->requestnsid = cfg_obj_asboolean(obj); + + obj = NULL; result = ns_config_get(maps, "max-clients-per-query", &obj); INSIST(result == ISC_R_SUCCESS); max_clients_per_query = cfg_obj_asuint32(obj); @@ -1823,6 +1868,7 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, const char *empty_dbtype[4] = { "_builtin", "empty", NULL, NULL }; int empty_dbtypec = 4; + isc_boolean_t zonestats_on; dns_fixedname_init(&fixed); name = dns_fixedname_name(&fixed); @@ -1857,6 +1903,11 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, } else empty_dbtype[3] = "."; + obj = NULL; + result = ns_config_get(maps, "zone-statistics", &obj); + INSIST(result == ISC_R_SUCCESS); + zonestats_on = cfg_obj_asboolean(obj); + logit = ISC_TRUE; for (empty = empty_zones[empty_zone].zone; empty != NULL; @@ -1881,6 +1932,7 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, */ (void)dns_view_findzone(view, name, &zone); if (zone != NULL) { + CHECK(setquerystats(zone, mctx, zonestats_on)); dns_zone_detach(&zone); continue; } @@ -1931,6 +1983,8 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, if (zone != NULL) { dns_zone_setview(zone, view); CHECK(dns_view_addzone(view, zone)); + CHECK(setquerystats(zone, mctx, + zonestats_on)); dns_zone_detach(&zone); continue; } @@ -1942,6 +1996,7 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, CHECK(dns_zonemgr_managezone(ns_g_server->zonemgr, zone)); dns_zone_setclass(zone, view->rdclass); dns_zone_settype(zone, dns_zone_master); + dns_zone_setstats(zone, ns_g_server->zonestats); CHECK(dns_zone_setdbtype(zone, empty_dbtypec, empty_dbtype)); if (view->queryacl != NULL) @@ -1952,6 +2007,7 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, dns_zone_setnotifytype(zone, dns_notifytype_no); dns_zone_setoption(zone, DNS_ZONEOPT_NOCHECKNS, ISC_TRUE); + CHECK(setquerystats(zone, mctx, zonestats_on)); CHECK(dns_view_addzone(view, zone)); isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER, ISC_LOG_INFO, @@ -1970,6 +2026,10 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, dns_dispatch_detach(&dispatch4); if (dispatch6 != NULL) dns_dispatch_detach(&dispatch6); + if (resstats != NULL) + dns_stats_detach(&resstats); + if (resquerystats != NULL) + dns_stats_detach(&resquerystats); if (order != NULL) dns_order_detach(&order); if (cmctx != NULL) @@ -2418,6 +2478,7 @@ configure_zone(const cfg_obj_t *config, const cfg_obj_t *zconfig, if (view->acache != NULL) dns_zone_setacache(zone, view->acache); CHECK(dns_zonemgr_managezone(ns_g_server->zonemgr, zone)); + dns_zone_setstats(zone, ns_g_server->zonestats); } /* @@ -3461,8 +3522,12 @@ load_configuration(const char *filename, ns_server_t *server, result = ns_config_get(maps, "server-id", &obj); server->server_usehostname = ISC_FALSE; if (result == ISC_R_SUCCESS && cfg_obj_isboolean(obj)) { - server->server_usehostname = ISC_TRUE; + /* The parser translates "hostname" to ISC_TRUE */ + server->server_usehostname = cfg_obj_asboolean(obj); + result = setstring(server, &server->server_id, NULL); + RUNTIME_CHECK(result == ISC_R_SUCCESS); } else if (result == ISC_R_SUCCESS) { + /* Found a quoted string */ CHECKM(setoptstring(server, &server->server_id, obj), "strdup"); } else { result = setstring(server, &server->server_id, NULL); @@ -3595,6 +3660,8 @@ run_server(isc_task_t *task, isc_event_t *event) { &ns_g_dispatchmgr), "creating dispatch manager"); + dns_dispatchmgr_setstats(ns_g_dispatchmgr, server->resolverstats); + CHECKFATAL(ns_interfacemgr_create(ns_g_mctx, ns_g_taskmgr, ns_g_socketmgr, ns_g_dispatchmgr, &server->interfacemgr), @@ -3783,7 +3850,11 @@ ns_server_create(isc_mem_t *mctx, ns_server_t **serverp) { server->statsfile = isc_mem_strdup(server->mctx, "named.stats"); CHECKFATAL(server->statsfile == NULL ? ISC_R_NOMEMORY : ISC_R_SUCCESS, "isc_mem_strdup"); - server->querystats = NULL; + server->nsstats = NULL; + server->rcvquerystats = NULL; + server->opcodestats = NULL; + server->zonestats = NULL; + server->resolverstats = NULL; server->dumpfile = isc_mem_strdup(server->mctx, "named_dump.db"); CHECKFATAL(server->dumpfile == NULL ? ISC_R_NOMEMORY : ISC_R_SUCCESS, @@ -3800,8 +3871,24 @@ ns_server_create(isc_mem_t *mctx, ns_server_t **serverp) { server->server_usehostname = ISC_FALSE; server->server_id = NULL; - CHECKFATAL(dns_stats_create(ns_g_mctx, &server->querystats), - "dns_stats_create"); + CHECKFATAL(dns_generalstats_create(ns_g_mctx, &server->nsstats, + dns_nsstatscounter_max), + "dns_stats_create (server)"); + + CHECKFATAL(dns_rdatatypestats_create(ns_g_mctx, + &server->rcvquerystats), + "dns_stats_create (rcvquery)"); + + CHECKFATAL(dns_opcodestats_create(ns_g_mctx, &server->opcodestats), + "dns_stats_create (opcode)"); + + CHECKFATAL(dns_generalstats_create(ns_g_mctx, &server->zonestats, + dns_zonestatscounter_max), + "dns_stats_create (zone)"); + + CHECKFATAL(dns_generalstats_create(ns_g_mctx, &server->resolverstats, + dns_resstatscounter_max), + "dns_stats_create (resolver)"); server->flushonshutdown = ISC_FALSE; server->log_queries = ISC_FALSE; @@ -3825,7 +3912,11 @@ ns_server_destroy(ns_server_t **serverp) { ns_controls_destroy(&server->controls); - dns_stats_destroy(server->mctx, &server->querystats); + dns_stats_detach(&server->nsstats); + dns_stats_detach(&server->rcvquerystats); + dns_stats_detach(&server->opcodestats); + dns_stats_detach(&server->zonestats); + dns_stats_detach(&server->resolverstats); isc_mem_free(server->mctx, server->statsfile); isc_mem_free(server->mctx, server->dumpfile); @@ -4389,60 +4480,14 @@ ns_listenelt_fromconfig(const cfg_obj_t *listener, const cfg_obj_t *config, isc_result_t ns_server_dumpstats(ns_server_t *server) { isc_result_t result; - dns_zone_t *zone, *next; - isc_stdtime_t now; FILE *fp = NULL; - int i; - int ncounters; - isc_uint64_t counters[DNS_STATS_NCOUNTERS]; - - isc_stdtime_get(&now); CHECKMF(isc_stdio_open(server->statsfile, "a", &fp), "could not open statistics dump file", server->statsfile); - ncounters = DNS_STATS_NCOUNTERS; - fprintf(fp, "+++ Statistics Dump +++ (%lu)\n", (unsigned long)now); - - dns_stats_copy(server->querystats, counters); - for (i = 0; i < ncounters; i++) - fprintf(fp, "%s %" ISC_PRINT_QUADFORMAT "u\n", - dns_statscounter_names[i], counters[i]); - - zone = NULL; - for (result = dns_zone_first(server->zonemgr, &zone); - result == ISC_R_SUCCESS; - next = NULL, result = dns_zone_next(zone, &next), zone = next) - { - dns_stats_t *zonestats = dns_zone_getstats(zone); - if (zonestats != NULL) { - char zonename[DNS_NAME_FORMATSIZE]; - dns_view_t *view; - char *viewname; - - dns_stats_copy(zonestats, counters); - dns_name_format(dns_zone_getorigin(zone), - zonename, sizeof(zonename)); - view = dns_zone_getview(zone); - viewname = view->name; - for (i = 0; i < ncounters; i++) { - fprintf(fp, "%s %" ISC_PRINT_QUADFORMAT - "u %s", - dns_statscounter_names[i], - counters[i], - zonename); - if (strcmp(viewname, "_default") != 0) - fprintf(fp, " %s", viewname); - fprintf(fp, "\n"); - } - } - } - if (result == ISC_R_NOMORE) - result = ISC_R_SUCCESS; + result = ns_stats_dump(server, fp); CHECK(result); - fprintf(fp, "--- Statistics Dump --- (%lu)\n", (unsigned long)now); - cleanup: if (fp != NULL) (void)isc_stdio_close(fp); diff --git a/bin/named/statschannel.c b/bin/named/statschannel.c index 3b4bd831..e5b7c338 100644 --- a/bin/named/statschannel.c +++ b/bin/named/statschannel.c @@ -14,7 +14,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: statschannel.c,v 1.2.2.4 2008/01/24 02:29:56 jinmei Exp $ */ +/* $Id: statschannel.c,v 1.2.2.9 2008/04/09 22:53:06 tbox Exp $ */ /*! \file */ @@ -23,17 +23,25 @@ #include <isc/buffer.h> #include <isc/httpd.h> #include <isc/mem.h> +#include <isc/once.h> #include <isc/print.h> #include <isc/socket.h> #include <isc/task.h> +#include <dns/db.h> +#include <dns/opcode.h> +#include <dns/rdataclass.h> +#include <dns/rdatatype.h> #include <dns/stats.h> #include <dns/view.h> +#include <dns/zt.h> #include <named/log.h> #include <named/server.h> #include <named/statschannel.h> +#include "bind9.xsl.h" + struct ns_statschannel { /* Unlocked */ isc_httpdmgr_t *httpdmgr; @@ -51,6 +59,190 @@ struct ns_statschannel { ISC_LINK(struct ns_statschannel) link; }; +typedef enum { statsformat_file, statsformat_xml } statsformat_t; + +typedef struct +stats_dumparg { + statsformat_t type; + void *arg; /* type dependent argument */ + const char **desc; /* used for general statistics */ + int ncounters; /* used for general statistics */ +} stats_dumparg_t; + +static isc_once_t once = ISC_ONCE_INIT; + +static void +generalstat_dump(dns_statscounter_t counter, isc_uint64_t val, void *arg) { + stats_dumparg_t *dumparg = arg; + FILE *fp; +#ifdef HAVE_LIBXML2 + xmlTextWriterPtr writer; +#endif + + REQUIRE(counter < dumparg->ncounters); + + switch (dumparg->type) { + case statsformat_file: + fp = dumparg->arg; + fprintf(fp, "%20" ISC_PRINT_QUADFORMAT "u %s\n", val, + dumparg->desc[counter]); + break; + case statsformat_xml: +#ifdef HAVE_LIBXML2 + writer = dumparg->arg; + + xmlTextWriterStartElement(writer, ISC_XMLCHAR + dumparg->desc[counter]); + xmlTextWriterWriteFormatString(writer, + "%" ISC_PRINT_QUADFORMAT "u", + val); + xmlTextWriterEndElement(writer); +#endif + break; + } +} + +static void +rdtypestat_dump(dns_rdatastatstype_t type, isc_uint64_t val, void *arg) { + char typebuf[64]; + const char *typestr; + stats_dumparg_t *dumparg = arg; + FILE *fp; +#ifdef HAVE_LIBXML2 + xmlTextWriterPtr writer; +#endif + + if ((DNS_RDATASTATSTYPE_ATTR(type) & DNS_RDATASTATSTYPE_ATTR_OTHERTYPE) + == 0) { + dns_rdatatype_format(DNS_RDATASTATSTYPE_BASE(type), typebuf, + sizeof(typebuf)); + typestr = typebuf; + } else + typestr = "Others"; + + switch (dumparg->type) { + case statsformat_file: + fp = dumparg->arg; + fprintf(fp, "%20" ISC_PRINT_QUADFORMAT "u %s\n", val, typestr); + break; + case statsformat_xml: +#ifdef HAVE_LIBXML2 + writer = dumparg->arg; + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "rdtype"); + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "name"); + xmlTextWriterWriteString(writer, ISC_XMLCHAR typestr); + xmlTextWriterEndElement(writer); /* name */ + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter"); + xmlTextWriterWriteFormatString(writer, + "%" ISC_PRINT_QUADFORMAT "u", + val); + xmlTextWriterEndElement(writer); /* counter */ + + xmlTextWriterEndElement(writer); /* rdtype */ +#endif + break; + } +} + +static void +rdatasetstats_dump(dns_rdatastatstype_t type, isc_uint64_t val, void *arg) { + stats_dumparg_t *dumparg = arg; + FILE *fp; + char typebuf[64]; + const char *typestr; + isc_boolean_t nxrrset = ISC_FALSE; +#ifdef HAVE_LIBXML2 + xmlTextWriterPtr writer; +#endif + + if ((DNS_RDATASTATSTYPE_ATTR(type) & DNS_RDATASTATSTYPE_ATTR_NXDOMAIN) + != 0) { + typestr = "NXDOMAIN"; + } else if ((DNS_RDATASTATSTYPE_ATTR(type) & + DNS_RDATASTATSTYPE_ATTR_OTHERTYPE) != 0) { + typestr = "Others"; + } else { + dns_rdatatype_format(DNS_RDATASTATSTYPE_BASE(type), typebuf, + sizeof(typebuf)); + typestr = typebuf; + } + + if ((DNS_RDATASTATSTYPE_ATTR(type) & DNS_RDATASTATSTYPE_ATTR_NXRRSET) + != 0) + nxrrset = ISC_TRUE; + + switch (dumparg->type) { + case statsformat_file: + fp = dumparg->arg; + fprintf(fp, "%20" ISC_PRINT_QUADFORMAT "u %s%s\n", val, + nxrrset ? "!" : "", typestr); + break; + case statsformat_xml: +#ifdef HAVE_LIBXML2 + writer = dumparg->arg; + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "rrset"); + xmlTextWriterStartElement(writer, ISC_XMLCHAR "name"); + xmlTextWriterWriteFormatString(writer, "%s%s", + nxrrset ? "!" : "", typestr); + xmlTextWriterEndElement(writer); /* name */ + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter"); + xmlTextWriterWriteFormatString(writer, + "%" ISC_PRINT_QUADFORMAT "u", + val); + xmlTextWriterEndElement(writer); /* counter */ + + xmlTextWriterEndElement(writer); /* rrset */ +#endif + break; + } +} + +static void +opcodestat_dump(dns_opcode_t code, isc_uint64_t val, void *arg) { + FILE *fp = arg; + isc_buffer_t b; + char codebuf[64]; + stats_dumparg_t *dumparg = arg; +#ifdef HAVE_LIBXML2 + xmlTextWriterPtr writer; +#endif + + isc_buffer_init(&b, codebuf, sizeof(codebuf) - 1); + dns_opcode_totext(code, &b); + codebuf[isc_buffer_usedlength(&b)] = '\0'; + + switch (dumparg->type) { + case statsformat_file: + fp = dumparg->arg; + fprintf(fp, "%20" ISC_PRINT_QUADFORMAT "u %s\n", val, codebuf); + break; + case statsformat_xml: +#ifdef HAVE_LIBXML2 + writer = dumparg->arg; + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "opcode"); + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "name"); + xmlTextWriterWriteString(writer, ISC_XMLCHAR codebuf); + xmlTextWriterEndElement(writer); /* name */ + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "counter"); + xmlTextWriterWriteFormatString(writer, + "%" ISC_PRINT_QUADFORMAT "u", + val); + xmlTextWriterEndElement(writer); /* counter */ + + xmlTextWriterEndElement(writer); /* opcode */ +#endif + break; + } +} + #ifdef HAVE_LIBXML2 /* XXXMLG below here sucks. */ @@ -58,8 +250,50 @@ struct ns_statschannel { #define TRY(a) do { result = (a); INSIST(result == ISC_R_SUCCESS); } while(0); #define TRY0(a) do { xmlrc = (a); INSIST(xmlrc >= 0); } while(0); -#define NODES 8 -#define SPACES 3 +static isc_result_t +zone_xmlrender(dns_zone_t *zone, void *arg) { + char buf[1024 + 32]; /* sufficiently large for zone name and class */ + dns_rdataclass_t rdclass; + isc_uint32_t serial; + xmlTextWriterPtr writer = arg; + stats_dumparg_t dumparg; + dns_stats_t *zonestats; + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "zone"); + + dns_zone_name(zone, buf, sizeof(buf)); + xmlTextWriterStartElement(writer, ISC_XMLCHAR "name"); + xmlTextWriterWriteString(writer, ISC_XMLCHAR buf); + xmlTextWriterEndElement(writer); + + rdclass = dns_zone_getclass(zone); + dns_rdataclass_format(rdclass, buf, sizeof(buf)); + xmlTextWriterStartElement(writer, ISC_XMLCHAR "rdataclass"); + xmlTextWriterWriteString(writer, ISC_XMLCHAR buf); + xmlTextWriterEndElement(writer); + + serial = dns_zone_getserial(zone); + xmlTextWriterStartElement(writer, ISC_XMLCHAR "serial"); + xmlTextWriterWriteFormatString(writer, "%u", serial); + xmlTextWriterEndElement(writer); + + dumparg.type = statsformat_xml; + dumparg.arg = writer; + dumparg.desc = nsstats_xmldesc; + dumparg.ncounters = dns_nsstatscounter_max; + + zonestats = dns_zone_getrequeststats(zone); + if (zonestats != NULL) { + xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters"); + dns_generalstats_dump(zonestats, generalstat_dump, + &dumparg, DNS_STATSDUMP_VERBOSE); + xmlTextWriterEndElement(writer); /* counters */ + } + + xmlTextWriterEndElement(writer); /* zone */ + + return (ISC_R_SUCCESS); +} static void generatexml(ns_server_t *server, int *buflen, xmlChar **buf) { @@ -70,8 +304,8 @@ generatexml(ns_server_t *server, int *buflen, xmlChar **buf) { xmlDocPtr doc; int xmlrc; dns_view_t *view; - int i; - isc_uint64_t counters[DNS_STATS_NCOUNTERS]; + stats_dumparg_t dumparg; + dns_stats_t *cachestats; isc_time_now(&now); isc_time_formatISO8601(&ns_g_boottime, boottime, sizeof boottime); @@ -90,6 +324,10 @@ generatexml(ns_server_t *server, int *buflen, xmlChar **buf) { TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "version", ISC_XMLCHAR "1.0")); + /* Set common fields for statistics dump */ + dumparg.type = statsformat_xml; + dumparg.arg = writer; + /* * Start by rendering the views we know of here. For each view we * know of, call its rendering function. @@ -97,7 +335,43 @@ generatexml(ns_server_t *server, int *buflen, xmlChar **buf) { view = ISC_LIST_HEAD(server->viewlist); TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "views")); while (view != NULL) { - dns_view_xmlrender(view, writer, ISC_XML_RENDERALL); + xmlTextWriterStartElement(writer, ISC_XMLCHAR "view"); + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "name"); + xmlTextWriterWriteString(writer, ISC_XMLCHAR view->name); + xmlTextWriterEndElement(writer); + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "zones"); + dns_zt_apply(view->zonetable, ISC_FALSE, zone_xmlrender, + writer); + xmlTextWriterEndElement(writer); + + if (view->resquerystats != NULL) { + dns_rdatatypestats_dump(view->resquerystats, + rdtypestat_dump, &dumparg, 0); + } + + if (view->resstats != NULL) { + xmlTextWriterStartElement(writer, + ISC_XMLCHAR "resstats"); + dumparg.ncounters = dns_resstatscounter_max; + dumparg.desc = resstats_xmldesc; /* auto-generated */ + dns_generalstats_dump(view->resstats, generalstat_dump, + &dumparg, DNS_STATSDUMP_VERBOSE); + xmlTextWriterEndElement(writer); /* resstats */ + } + + cachestats = dns_db_getrrsetstats(view->cachedb); + if (cachestats != NULL) { + xmlTextWriterStartElement(writer, + ISC_XMLCHAR "cache"); + dns_rdatasetstats_dump(cachestats, rdatasetstats_dump, + &dumparg, 0); + xmlTextWriterEndElement(writer); /* cache */ + } + + xmlTextWriterEndElement(writer); /* view */ + view = ISC_LIST_NEXT(view, link); } TRY0(xmlTextWriterEndElement(writer)); /* views */ @@ -117,21 +391,42 @@ generatexml(ns_server_t *server, int *buflen, xmlChar **buf) { xmlTextWriterStartElement(writer, ISC_XMLCHAR "current-time"); xmlTextWriterWriteString(writer, ISC_XMLCHAR nowstr); xmlTextWriterEndElement(writer); - TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "counters")); - dns_stats_copy(server->querystats, counters); - for (i = 0; i < DNS_STATS_NCOUNTERS; i++) { - xmlTextWriterStartElement(writer, - ISC_XMLCHAR dns_statscounter_names[i]); - xmlTextWriterWriteFormatString(writer, - "%" ISC_PRINT_QUADFORMAT "u", - counters[i]); - xmlTextWriterEndElement(writer); - } - xmlTextWriterEndElement(writer); /* counters */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "requests")); + dns_opcodestats_dump(server->opcodestats, opcodestat_dump, &dumparg, + 0); + xmlTextWriterEndElement(writer); /* requests */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "queries-in")); + dns_rdatatypestats_dump(server->rcvquerystats, rdtypestat_dump, + &dumparg, 0); + xmlTextWriterEndElement(writer); /* queries-in */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "nsstats")); + dumparg.desc = nsstats_xmldesc; /* auto-generated in bind9.xsl.h */ + dumparg.ncounters = dns_nsstatscounter_max; + dns_generalstats_dump(server->nsstats, generalstat_dump, &dumparg, + DNS_STATSDUMP_VERBOSE); + xmlTextWriterEndElement(writer); /* nsstats */ + + TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "zonestats")); + dumparg.desc = zonestats_xmldesc; /* auto-generated in bind9.xsl.h */ + dumparg.ncounters = dns_zonestatscounter_max; + dns_generalstats_dump(server->zonestats, generalstat_dump, &dumparg, + DNS_STATSDUMP_VERBOSE); + xmlTextWriterEndElement(writer); /* zonestats */ + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "resstats"); + dumparg.ncounters = dns_resstatscounter_max; + dumparg.desc = resstats_xmldesc; + dns_generalstats_dump(server->resolverstats, generalstat_dump, + &dumparg, DNS_STATSDUMP_VERBOSE); + xmlTextWriterEndElement(writer); /* resstats */ + xmlTextWriterEndElement(writer); /* server */ TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "memory")); - isc_mem_renderxml(server->mctx, writer); + isc_mem_renderxml(writer); TRY0(xmlTextWriterEndElement(writer)); /* memory */ TRY0(xmlTextWriterEndElement(writer)); /* statistics */ @@ -187,8 +482,6 @@ render_xsl(const char *url, const char *querystring, void *args, isc_buffer_t *b, isc_httpdfree_t **freecb, void **freecb_args) { -#include "bind9.xsl.h" - UNUSED(url); UNUSED(querystring); UNUSED(args); @@ -196,8 +489,8 @@ render_xsl(const char *url, const char *querystring, void *args, *retcode = 200; *retmsg = "OK"; *mimetype = "text/xslt+xml"; - isc_buffer_reinit(b, msg, strlen(msg)); - isc_buffer_add(b, strlen(msg)); + isc_buffer_reinit(b, xslmsg, strlen(xslmsg)); + isc_buffer_add(b, strlen(xslmsg)); *freecb = NULL; *freecb_args = NULL; @@ -249,7 +542,7 @@ destroy_listener(void *arg) { REQUIRE(listener != NULL); REQUIRE(!ISC_LINK_LINKED(listener, link)); - /* We don't to have acquire the lock here since it's already unlinked */ + /* We don't have to acquire the lock here since it's already unlinked */ dns_acl_detach(&listener->acl); DESTROYLOCK(&listener->lock); @@ -533,3 +826,302 @@ ns_statschannels_shutdown(ns_server_t *server) { shutdown_listener(listener); } } + +/*% + * Statistics descriptions. These could be statistically initialized at + * compile time, but we configure them run time in the init_desc() function + * below so that they'll be less susceptible to counter name changes. + * Note that bind9.xsl must still be updated consistently with the counter + * numbering. + */ +static const char *nsstats_desc[dns_nsstatscounter_max]; +static const char *resstats_desc[dns_resstatscounter_max]; +static const char *zonestats_desc[dns_zonestatscounter_max]; + +static inline void +set_desc(int counter, int maxcounter, const char *desc, const char **descs) { + REQUIRE(counter < maxcounter); + REQUIRE(descs[counter] == NULL); + + descs[counter] = desc; +} + +static void +init_desc() { + int i; + + /* Initialize name server statistics */ + memset(nsstats_desc, 0, + dns_nsstatscounter_max * sizeof(nsstats_desc[0])); + set_desc(dns_nsstatscounter_requestv4, dns_nsstatscounter_max, + "IPv4 requests received", nsstats_desc); + set_desc(dns_nsstatscounter_requestv6, dns_nsstatscounter_max, + "IPv6 requests received", nsstats_desc); + set_desc(dns_nsstatscounter_edns0in, dns_nsstatscounter_max, + "requests with EDNS(0) received", nsstats_desc); + set_desc(dns_nsstatscounter_badednsver, dns_nsstatscounter_max, + "requests with unsupported EDNS version received", + nsstats_desc); + set_desc(dns_nsstatscounter_tsigin, dns_nsstatscounter_max, + "requests with TSIG received", nsstats_desc); + set_desc(dns_nsstatscounter_sig0in, dns_nsstatscounter_max, + "requests with SIG(0) received", nsstats_desc); + set_desc(dns_nsstatscounter_invalidsig, dns_nsstatscounter_max, + "requests with invalid signature", nsstats_desc); + set_desc(dns_nsstatscounter_tcp, dns_nsstatscounter_max, + "TCP requests received", nsstats_desc); + set_desc(dns_nsstatscounter_authrej, dns_nsstatscounter_max, + "auth queries rejected", nsstats_desc); + set_desc(dns_nsstatscounter_recurserej, dns_nsstatscounter_max, + "recursive queries rejected", nsstats_desc); + set_desc(dns_nsstatscounter_xfrrej, dns_nsstatscounter_max, + "transfer requests rejected", nsstats_desc); + set_desc(dns_nsstatscounter_updaterej, dns_nsstatscounter_max, + "update requests rejected", nsstats_desc); + set_desc(dns_nsstatscounter_response, dns_nsstatscounter_max, + "responses sent", nsstats_desc); + set_desc(dns_nsstatscounter_truncatedresp, dns_nsstatscounter_max, + "truncated responses sent", nsstats_desc); + set_desc(dns_nsstatscounter_edns0out, dns_nsstatscounter_max, + "responses with EDNS(0) sent", nsstats_desc); + set_desc(dns_nsstatscounter_tsigout, dns_nsstatscounter_max, + "responses with TSIG sent", nsstats_desc); + set_desc(dns_nsstatscounter_sig0out, dns_nsstatscounter_max, + "responses with SIG(0) sent", nsstats_desc); + set_desc(dns_nsstatscounter_success, dns_nsstatscounter_max, + "queries resulted in successful answer", nsstats_desc); + set_desc(dns_nsstatscounter_authans, dns_nsstatscounter_max, + "queries resulted in authoritative answer", nsstats_desc); + set_desc(dns_nsstatscounter_nonauthans, dns_nsstatscounter_max, + "queries resulted in non authoritative answer", nsstats_desc); + set_desc(dns_nsstatscounter_referral, dns_nsstatscounter_max, + "queries resulted in referral answer", nsstats_desc); + set_desc(dns_nsstatscounter_nxrrset, dns_nsstatscounter_max, + "queries resulted in nxrrset", nsstats_desc); + set_desc(dns_nsstatscounter_servfail, dns_nsstatscounter_max, + "queries resulted in SERVFAIL", nsstats_desc); + set_desc(dns_nsstatscounter_formerr, dns_nsstatscounter_max, + "queries resulted in FORMERR", nsstats_desc); + set_desc(dns_nsstatscounter_nxdomain, dns_nsstatscounter_max, + "queries resulted in NXDOMAIN", nsstats_desc); + set_desc(dns_nsstatscounter_recursion, dns_nsstatscounter_max, + "queries caused recursion", nsstats_desc); + set_desc(dns_nsstatscounter_duplicate, dns_nsstatscounter_max, + "duplicate queries received", nsstats_desc); + set_desc(dns_nsstatscounter_dropped, dns_nsstatscounter_max, + "queries dropped", nsstats_desc); + set_desc(dns_nsstatscounter_failure, dns_nsstatscounter_max, + "other query failures", nsstats_desc); + set_desc(dns_nsstatscounter_xfrdone, dns_nsstatscounter_max, + "requested transfers completed", nsstats_desc); + set_desc(dns_nsstatscounter_updatereqfwd, dns_nsstatscounter_max, + "update requests forwarded", nsstats_desc); + set_desc(dns_nsstatscounter_updaterespfwd, dns_nsstatscounter_max, + "update responses forwarded", nsstats_desc); + set_desc(dns_nsstatscounter_updatefwdfail, dns_nsstatscounter_max, + "update forward failed", nsstats_desc); + set_desc(dns_nsstatscounter_updatedone, dns_nsstatscounter_max, + "updates completed", nsstats_desc); + set_desc(dns_nsstatscounter_updatefail, dns_nsstatscounter_max, + "updates failed", nsstats_desc); + set_desc(dns_nsstatscounter_updatebadprereq, dns_nsstatscounter_max, + "updates rejected due to prerequisite failure", nsstats_desc); + + /* Initialize resolver statistics */ + memset(resstats_desc, 0, + dns_resstatscounter_max * sizeof(resstats_desc[0])); + set_desc(dns_resstatscounter_queryv4, dns_resstatscounter_max, + "IPv4 queries sent", resstats_desc); + set_desc(dns_resstatscounter_queryv6, dns_resstatscounter_max, + "IPv6 queries sent", resstats_desc); + set_desc(dns_resstatscounter_responsev4, dns_resstatscounter_max, + "IPv4 responses received", resstats_desc); + set_desc(dns_resstatscounter_responsev6, dns_resstatscounter_max, + "IPv6 responses received", resstats_desc); + set_desc(dns_resstatscounter_nxdomain, dns_resstatscounter_max, + "NXDOMAIN received", resstats_desc); + set_desc(dns_resstatscounter_servfail, dns_resstatscounter_max, + "SERVFAIL received", resstats_desc); + set_desc(dns_resstatscounter_formerr, dns_resstatscounter_max, + "FORMERR received", resstats_desc); + set_desc(dns_resstatscounter_othererror, dns_resstatscounter_max, + "other errors received", resstats_desc); + set_desc(dns_resstatscounter_edns0fail, dns_resstatscounter_max, + "EDNS(0) query failures", resstats_desc); + set_desc(dns_resstatscounter_mismatch, dns_resstatscounter_max, + "mismatch responses received", resstats_desc); + set_desc(dns_resstatscounter_truncated, dns_resstatscounter_max, + "truncated responses received", resstats_desc); + set_desc(dns_resstatscounter_lame, dns_resstatscounter_max, + "lame delegations received", resstats_desc); + set_desc(dns_resstatscounter_retry, dns_resstatscounter_max, + "query retries", resstats_desc); + set_desc(dns_resstatscounter_gluefetchv4, dns_resstatscounter_max, + "IPv4 NS address fetches", resstats_desc); + set_desc(dns_resstatscounter_gluefetchv6, dns_resstatscounter_max, + "IPv6 NS address fetches", resstats_desc); + set_desc(dns_resstatscounter_gluefetchv4fail, dns_resstatscounter_max, + "IPv4 NS address fetch failed", resstats_desc); + set_desc(dns_resstatscounter_gluefetchv6fail, dns_resstatscounter_max, + "IPv6 NS address fetch failed", resstats_desc); + set_desc(dns_resstatscounter_val, dns_resstatscounter_max, + "DNSSEC validation attempted", resstats_desc); + set_desc(dns_resstatscounter_valsuccess, dns_resstatscounter_max, + "DNSSEC validation succeeded", resstats_desc); + set_desc(dns_resstatscounter_valnegsuccess, dns_resstatscounter_max, + "DNSSEC NX validation succeeded", resstats_desc); + set_desc(dns_resstatscounter_valfail, dns_resstatscounter_max, + "DNSSEC validation failed", resstats_desc); + + /* Initialize zone statistics */ + memset(zonestats_desc, 0, + dns_zonestatscounter_max * sizeof(zonestats_desc[0])); + set_desc(dns_zonestatscounter_notifyoutv4, dns_zonestatscounter_max, + "IPv4 notifies sent", zonestats_desc); + set_desc(dns_zonestatscounter_notifyoutv6, dns_zonestatscounter_max, + "IPv6 notifies sent", zonestats_desc); + set_desc(dns_zonestatscounter_notifyinv4, dns_zonestatscounter_max, + "IPv4 notifies received", zonestats_desc); + set_desc(dns_zonestatscounter_notifyinv6, dns_zonestatscounter_max, + "IPv6 notifies received", zonestats_desc); + set_desc(dns_zonestatscounter_notifyrej, dns_zonestatscounter_max, + "notifies rejected", zonestats_desc); + set_desc(dns_zonestatscounter_soaoutv4, dns_zonestatscounter_max, + "IPv4 SOA queries sent", zonestats_desc); + set_desc(dns_zonestatscounter_soaoutv6, dns_zonestatscounter_max, + "IPv6 SOA queries sent", zonestats_desc); + set_desc(dns_zonestatscounter_axfrreqv4, dns_zonestatscounter_max, + "IPv4 AXFR requested", zonestats_desc); + set_desc(dns_zonestatscounter_axfrreqv6, dns_zonestatscounter_max, + "IPv6 AXFR requested", zonestats_desc); + set_desc(dns_zonestatscounter_ixfrreqv4, dns_zonestatscounter_max, + "IPv4 IXFR requested", zonestats_desc); + set_desc(dns_zonestatscounter_ixfrreqv6, dns_zonestatscounter_max, + "IPv6 IXFR requested", zonestats_desc); + set_desc(dns_zonestatscounter_xfrsuccess, dns_zonestatscounter_max, + "transfer requests succeeded", zonestats_desc); + set_desc(dns_zonestatscounter_xfrfail, dns_zonestatscounter_max, + "transfer requests failed", zonestats_desc); + + /* Sanity check */ + for (i = 0; i < dns_nsstatscounter_max; i++) + INSIST(nsstats_desc[i] != NULL); + for (i = 0; i < dns_resstatscounter_max; i++) + INSIST(resstats_desc[i] != NULL); + for (i = 0; i < dns_zonestatscounter_max; i++) + INSIST(zonestats_desc[i] != NULL); +} + +isc_result_t +ns_stats_dump(ns_server_t *server, FILE *fp) { + isc_stdtime_t now; + isc_result_t result; + dns_view_t *view; + dns_zone_t *zone, *next; + stats_dumparg_t dumparg; + + RUNTIME_CHECK(isc_once_do(&once, init_desc) == ISC_R_SUCCESS); + + /* Set common fields */ + dumparg.type = statsformat_file; + dumparg.arg = fp; + + isc_stdtime_get(&now); + fprintf(fp, "+++ Statistics Dump +++ (%lu)\n", (unsigned long)now); + + fprintf(fp, "++ Incoming Requests ++\n"); + dns_opcodestats_dump(server->opcodestats, opcodestat_dump, &dumparg, 0); + + fprintf(fp, "++ Incoming Queries ++\n"); + dns_rdatatypestats_dump(server->rcvquerystats, rdtypestat_dump, + &dumparg, 0); + + fprintf(fp, "++ Outgoing Queries ++\n"); + for (view = ISC_LIST_HEAD(server->viewlist); + view != NULL; + view = ISC_LIST_NEXT(view, link)) { + if (view->resquerystats == NULL) + continue; + if (strcmp(view->name, "_default") == 0) + fprintf(fp, "[View: default]\n"); + else + fprintf(fp, "[View: %s]\n", view->name); + dns_rdatatypestats_dump(view->resquerystats, rdtypestat_dump, + &dumparg, 0); + } + + fprintf(fp, "++ Name Server Statistics ++\n"); + dumparg.desc = nsstats_desc; + dumparg.ncounters = dns_nsstatscounter_max; + dns_generalstats_dump(server->nsstats, generalstat_dump, &dumparg, 0); + fprintf(fp, "++ Zone Maintenance Statistics ++\n"); + dumparg.desc = zonestats_desc; + dumparg.ncounters = dns_zonestatscounter_max; + dns_generalstats_dump(server->zonestats, generalstat_dump, &dumparg, 0); + + fprintf(fp, "++ Resolver Statistics ++\n"); + fprintf(fp, "[Common]\n"); + dumparg.desc = resstats_desc; + dumparg.ncounters = dns_resstatscounter_max; + dns_generalstats_dump(server->resolverstats, generalstat_dump, &dumparg, + 0); + for (view = ISC_LIST_HEAD(server->viewlist); + view != NULL; + view = ISC_LIST_NEXT(view, link)) { + if (view->resstats == NULL) + continue; + if (strcmp(view->name, "_default") == 0) + fprintf(fp, "[View: default]\n"); + else + fprintf(fp, "[View: %s]\n", view->name); + dns_generalstats_dump(view->resstats, generalstat_dump, + &dumparg, 0); + } + + fprintf(fp, "++ Cache DB RRsets ++\n"); + for (view = ISC_LIST_HEAD(server->viewlist); + view != NULL; + view = ISC_LIST_NEXT(view, link)) { + dns_stats_t *cachestats; + + cachestats = dns_db_getrrsetstats(view->cachedb); + if (cachestats == NULL) + continue; + if (strcmp(view->name, "_default") == 0) + fprintf(fp, "[View: default]\n"); + else + fprintf(fp, "[View: %s]\n", view->name); + dns_rdatasetstats_dump(cachestats, rdatasetstats_dump, &dumparg, + 0); + } + + fprintf(fp, "++ Per Zone Query Statistics ++\n"); + zone = NULL; + for (result = dns_zone_first(server->zonemgr, &zone); + result == ISC_R_SUCCESS; + next = NULL, result = dns_zone_next(zone, &next), zone = next) + { + dns_stats_t *zonestats = dns_zone_getrequeststats(zone); + if (zonestats != NULL) { + char zonename[DNS_NAME_FORMATSIZE]; + + dns_name_format(dns_zone_getorigin(zone), + zonename, sizeof(zonename)); + view = dns_zone_getview(zone); + + fprintf(fp, "[%s", zonename); + if (strcmp(view->name, "_default") != 0) + fprintf(fp, " (view: %s)", view->name); + fprintf(fp, "]\n"); + + dumparg.desc = nsstats_desc; + dumparg.ncounters = dns_nsstatscounter_max; + dns_generalstats_dump(zonestats, generalstat_dump, + &dumparg, 0); + } + } + + fprintf(fp, "--- Statistics Dump --- (%lu)\n", (unsigned long)now); + + return (ISC_R_SUCCESS); /* this function currently always succeeds */ +} diff --git a/bin/named/unix/os.c b/bin/named/unix/os.c index b12470d6..16a4272a 100644 --- a/bin/named/unix/os.c +++ b/bin/named/unix/os.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: os.c,v 1.79.128.3 2008/01/17 23:46:36 tbox Exp $ */ +/* $Id: os.c,v 1.79.128.5 2008/05/06 01:32:51 each Exp $ */ /*! \file */ @@ -69,7 +69,7 @@ static int devnullfd = -1; /* * Linux defines: * (T) HAVE_LINUXTHREADS - * (C) HAVE_LINUX_CAPABILITY_H + * (C) HAVE_SYS_CAPABILITY_H (or HAVE_LINUX_CAPABILITY_H) * (P) HAVE_SYS_PRCTL_H * The possible cases are: * none: setuid() normally @@ -116,6 +116,9 @@ static int dfd[2] = { -1, -1 }; static isc_boolean_t non_root = ISC_FALSE; static isc_boolean_t non_root_caps = ISC_FALSE; +#ifdef HAVE_SYS_CAPABILITY_H +#include <sys/capability.h> +#else /*% * We define _LINUX_FS_H to prevent it from being included. We don't need * anything from it, and the files it includes cause warnings with 2.2 @@ -123,9 +126,15 @@ static isc_boolean_t non_root_caps = ISC_FALSE; * and <string.h>) on 2.3 kernels. */ #define _LINUX_FS_H - -#include <sys/syscall.h> /* Required for syscall(). */ -#include <linux/capability.h> /* Required for _LINUX_CAPABILITY_VERSION. */ +#include <linux/capability.h> +#include <syscall.h> +#ifndef SYS_capset +#ifndef __NR_capset +#include <asm/unistd.h> /* Slackware 4.0 needs this. */ +#endif /* __NR_capset */ +#define SYS_capset __NR_capset +#endif /* SYS_capset */ +#endif /* HAVE_SYS_CAPABILITY_H */ #ifdef HAVE_SYS_PRCTL_H #include <sys/prctl.h> /* Required for prctl(). */ @@ -142,22 +151,24 @@ static isc_boolean_t non_root_caps = ISC_FALSE; #endif /* HAVE_SYS_PRCTL_H */ -#ifndef SYS_capset -#ifndef __NR_capset -#include <asm/unistd.h> /* Slackware 4.0 needs this. */ -#endif -#define SYS_capset __NR_capset -#endif +#ifdef HAVE_LIBCAP +#define SETCAPS_FUNC "cap_set_proc " +#else +typedef unsigned int cap_t; +#define SETCAPS_FUNC "syscall(capset) " +#endif /* HAVE_LIBCAP */ static void -linux_setcaps(unsigned int caps) { +linux_setcaps(cap_t caps) { +#ifndef HAVE_LIBCAP struct __user_cap_header_struct caphead; struct __user_cap_data_struct cap; +#endif char strbuf[ISC_STRERRORSIZE]; if ((getuid() != 0 && !non_root_caps) || non_root) return; - +#ifndef HAVE_LIBCAP memset(&caphead, 0, sizeof(caphead)); caphead.version = _LINUX_CAPABILITY_VERSION; caphead.pid = 0; @@ -165,36 +176,74 @@ linux_setcaps(unsigned int caps) { cap.effective = caps; cap.permitted = caps; cap.inheritable = 0; +#endif +#ifdef HAVE_LIBCAP + if (cap_set_proc(caps) < 0) { +#else if (syscall(SYS_capset, &caphead, &cap) < 0) { +#endif isc__strerror(errno, strbuf, sizeof(strbuf)); - ns_main_earlyfatal("capset failed: %s:" + ns_main_earlyfatal(SETCAPS_FUNC "failed: %s:" " please ensure that the capset kernel" " module is loaded. see insmod(8)", strbuf); } } +#ifdef HAVE_LIBCAP +#define SET_CAP(flag) \ + do { \ + capval = (flag); \ + err = cap_set_flag(caps, CAP_EFFECTIVE, 1, &capval, CAP_SET); \ + if (err == -1) { \ + isc__strerror(errno, strbuf, sizeof(strbuf)); \ + ns_main_earlyfatal("cap_set_proc failed: %s", strbuf); \ + } \ + \ + err = cap_set_flag(caps, CAP_PERMITTED, 1, &capval, CAP_SET); \ + if (err == -1) { \ + isc__strerror(errno, strbuf, sizeof(strbuf)); \ + ns_main_earlyfatal("cap_set_proc failed: %s", strbuf); \ + } \ + } while (0) +#define INIT_CAP \ + do { \ + caps = cap_init(); \ + if (caps == NULL) { \ + isc__strerror(errno, strbuf, sizeof(strbuf)); \ + ns_main_earlyfatal("cap_init failed: %s", strbuf); \ + } \ + } while (0) +#else +#define SET_CAP(flag) { caps |= (1 << (flag)); } +#define INIT_CAP { caps = 0; } +#endif /* HAVE_LIBCAP */ + static void linux_initialprivs(void) { - unsigned int caps; + cap_t caps; +#ifdef HAVE_LIBCAP + cap_value_t capval; + char strbuf[ISC_STRERRORSIZE]; + int err; +#endif /*% * We don't need most privileges, so we drop them right away. * Later on linux_minprivs() will be called, which will drop our * capabilities to the minimum needed to run the server. */ - - caps = 0; + INIT_CAP; /* * We need to be able to bind() to privileged ports, notably port 53! */ - caps |= (1 << CAP_NET_BIND_SERVICE); + SET_CAP(CAP_NET_BIND_SERVICE); /* * We need chroot() initially too. */ - caps |= (1 << CAP_SYS_CHROOT); + SET_CAP(CAP_SYS_CHROOT); #if defined(HAVE_SYS_PRCTL_H) || !defined(HAVE_LINUXTHREADS) /* @@ -203,19 +252,19 @@ linux_initialprivs(void) { * tried) or we're not using threads. If either of these is * true, we want the setuid capability. */ - caps |= (1 << CAP_SETUID); + SET_CAP(CAP_SETUID); #endif /* * Since we call initgroups, we need this. */ - caps |= (1 << CAP_SETGID); + SET_CAP(CAP_SETGID); /* * Without this, we run into problems reading a configuration file * owned by a non-root user and non-world-readable on startup. */ - caps |= (1 << CAP_DAC_READ_SEARCH); + SET_CAP(CAP_DAC_READ_SEARCH); /* * XXX We might want to add CAP_SYS_RESOURCE, though it's not @@ -224,15 +273,21 @@ linux_initialprivs(void) { * of files, the stack size, data size, and core dump size to * support named.conf options, this is now being added to test. */ - caps |= (1 << CAP_SYS_RESOURCE); + SET_CAP(CAP_SYS_RESOURCE); linux_setcaps(caps); } static void linux_minprivs(void) { - unsigned int caps; + cap_t caps; +#ifdef HAVE_LIBCAP + cap_value_t capval; + char strbuf[ISC_STRERRORSIZE]; + int err; +#endif + INIT_CAP; /*% * Drop all privileges except the ability to bind() to privileged * ports. @@ -241,8 +296,7 @@ linux_minprivs(void) { * chroot() could be used to escape from the chrooted area. */ - caps = 0; - caps |= (1 << CAP_NET_BIND_SERVICE); + SET_CAP(CAP_NET_BIND_SERVICE); /* * XXX We might want to add CAP_SYS_RESOURCE, though it's not @@ -251,7 +305,7 @@ linux_minprivs(void) { * of files, the stack size, data size, and core dump size to * support named.conf options, this is now being added to test. */ - caps |= (1 << CAP_SYS_RESOURCE); + SET_CAP(CAP_SYS_RESOURCE); linux_setcaps(caps); } diff --git a/bin/named/update.c b/bin/named/update.c index 4b2a06ce..0c6e44bb 100644 --- a/bin/named/update.c +++ b/bin/named/update.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: update.c,v 1.138.2.2 2008/01/17 23:46:36 tbox Exp $ */ +/* $Id: update.c,v 1.138.2.4 2008/04/03 06:10:19 marka Exp $ */ #include <config.h> @@ -41,12 +41,14 @@ #include <dns/rdatatype.h> #include <dns/soa.h> #include <dns/ssu.h> +#include <dns/stats.h> #include <dns/view.h> #include <dns/zone.h> #include <dns/zt.h> #include <named/client.h> #include <named/log.h> +#include <named/server.h> #include <named/update.h> /*! \file @@ -117,6 +119,11 @@ msg, isc_result_totext(result)); \ if (result != ISC_R_SUCCESS) goto failure; \ } while (0) +#define PREREQFAILC(code, msg) \ + do { \ + inc_stats(zone, dns_nsstatscounter_updatebadprereq); \ + FAILC(code, msg); \ + } while (0) #define FAILN(code, name, msg) \ do { \ @@ -138,6 +145,11 @@ } \ if (result != ISC_R_SUCCESS) goto failure; \ } while (0) +#define PREREQFAILN(code, name, msg) \ + do { \ + inc_stats(zone, dns_nsstatscounter_updatebadprereq); \ + FAILN(code, name, msg); \ + } while (0) #define FAILNT(code, name, type, msg) \ do { \ @@ -162,6 +174,12 @@ } \ if (result != ISC_R_SUCCESS) goto failure; \ } while (0) +#define PREREQFAILNT(code, name, type, msg) \ + do { \ + inc_stats(zone, dns_nsstatscounter_updatebadprereq); \ + FAILNT(code, name, type, msg); \ + } while (0) + /*% * Fail unconditionally and log as a server error. * The test against ISC_R_SUCCESS is there to keep the Solaris compiler @@ -241,6 +259,20 @@ update_log(ns_client_t *client, dns_zone_t *zone, } /*% + * Increment updated-related statistics counters. + */ +static inline void +inc_stats(dns_zone_t *zone, dns_statscounter_t counter) { + dns_generalstats_increment(ns_g_server->nsstats, counter); + + if (zone != NULL) { + dns_stats_t *zonestats = dns_zone_getrequeststats(zone); + if (zonestats != NULL) + dns_generalstats_increment(zonestats, counter); + } +} + +/*% * Override the default acl logging when checking whether a client * can update the zone or whether we can forward the request to the * master based on IP address. @@ -1653,10 +1685,11 @@ ksk_sanity(dns_db_t *db, dns_dbversion_t *ver) { * Add RRSIG records for an RRset, recording the change in "diff". */ static isc_result_t -add_sigs(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name, - dns_rdatatype_t type, dns_diff_t *diff, dst_key_t **keys, - unsigned int nkeys, isc_mem_t *mctx, isc_stdtime_t inception, - isc_stdtime_t expire, isc_boolean_t check_ksk) +add_sigs(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, + dns_dbversion_t *ver, dns_name_t *name, dns_rdatatype_t type, + dns_diff_t *diff, dst_key_t **keys, unsigned int nkeys, + isc_mem_t *mctx, isc_stdtime_t inception, isc_stdtime_t expire, + isc_boolean_t check_ksk) { isc_result_t result; dns_dbnode_t *node = NULL; @@ -1665,6 +1698,7 @@ add_sigs(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name, isc_buffer_t buffer; unsigned char data[1024]; /* XXX */ unsigned int i; + isc_boolean_t added_sig = ISC_FALSE; dns_rdataset_init(&rdataset); isc_buffer_init(&buffer, data, sizeof(data)); @@ -1694,6 +1728,13 @@ add_sigs(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name, CHECK(update_one_rr(db, ver, diff, DNS_DIFFOP_ADD, name, rdataset.ttl, &sig_rdata)); dns_rdata_reset(&sig_rdata); + added_sig = ISC_TRUE; + } + if (!added_sig) { + update_log(client, zone, ISC_LOG_ERROR, + "found no private keys, " + "unable to generate any signatures"); + result = ISC_R_NOTFOUND; } failure: @@ -1825,9 +1866,9 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, */ CHECK(rrset_exists(db, newver, name, type, 0, &flag)); if (flag) { - CHECK(add_sigs(db, newver, name, type, - &sig_diff, zone_keys, nkeys, - client->mctx, inception, + CHECK(add_sigs(client, zone, db, newver, name, + type, &sig_diff, zone_keys, + nkeys, client->mctx, inception, expire, check_ksk)); } skip: @@ -2011,10 +2052,10 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, dns_rdatatype_rrsig, dns_rdatatype_nsec, NULL, &sig_diff)); } else if (t->op == DNS_DIFFOP_ADD) { - CHECK(add_sigs(db, newver, &t->name, dns_rdatatype_nsec, - &sig_diff, zone_keys, nkeys, - client->mctx, inception, expire, - check_ksk)); + CHECK(add_sigs(client, zone, db, newver, &t->name, + dns_rdatatype_nsec, &sig_diff, + zone_keys, nkeys, client->mctx, + inception, expire, check_ksk)); } else { INSIST(0); } @@ -2167,6 +2208,10 @@ ns_update_start(ns_client_t *client, isc_result_t sigresult) { return; failure: + if (result == DNS_R_REFUSED) { + INSIST(dns_zone_gettype(zone) == dns_zone_slave); + inc_stats(zone, dns_nsstatscounter_updaterej); + } /* * We failed without having sent an update event to the zone. * We are still in the client task context, so we can @@ -2371,54 +2416,59 @@ update_action(isc_task_t *task, isc_event_t *event) { &name, &rdata, &covers, &ttl, &update_class); if (ttl != 0) - FAILC(DNS_R_FORMERR, "prerequisite TTL is not zero"); + PREREQFAILC(DNS_R_FORMERR, + "prerequisite TTL is not zero"); if (! dns_name_issubdomain(name, zonename)) - FAILN(DNS_R_NOTZONE, name, - "prerequisite name is out of zone"); + PREREQFAILN(DNS_R_NOTZONE, name, + "prerequisite name is out of zone"); if (update_class == dns_rdataclass_any) { if (rdata.length != 0) - FAILC(DNS_R_FORMERR, + PREREQFAILC(DNS_R_FORMERR, "class ANY prerequisite " "RDATA is not empty"); if (rdata.type == dns_rdatatype_any) { CHECK(name_exists(db, ver, name, &flag)); if (! flag) { - FAILN(DNS_R_NXDOMAIN, name, - "'name in use' prerequisite " - "not satisfied"); + PREREQFAILN(DNS_R_NXDOMAIN, name, + "'name in use' " + "prerequisite not " + "satisfied"); } } else { CHECK(rrset_exists(db, ver, name, rdata.type, covers, &flag)); if (! flag) { /* RRset does not exist. */ - FAILNT(DNS_R_NXRRSET, name, rdata.type, + PREREQFAILNT(DNS_R_NXRRSET, name, rdata.type, "'rrset exists (value independent)' " "prerequisite not satisfied"); } } } else if (update_class == dns_rdataclass_none) { if (rdata.length != 0) - FAILC(DNS_R_FORMERR, - "class NONE prerequisite " - "RDATA is not empty"); + PREREQFAILC(DNS_R_FORMERR, + "class NONE prerequisite " + "RDATA is not empty"); if (rdata.type == dns_rdatatype_any) { CHECK(name_exists(db, ver, name, &flag)); if (flag) { - FAILN(DNS_R_YXDOMAIN, name, - "'name not in use' prerequisite " - "not satisfied"); + PREREQFAILN(DNS_R_YXDOMAIN, name, + "'name not in use' " + "prerequisite not " + "satisfied"); } } else { CHECK(rrset_exists(db, ver, name, rdata.type, covers, &flag)); if (flag) { /* RRset exists. */ - FAILNT(DNS_R_YXRRSET, name, rdata.type, - "'rrset does not exist' " - "prerequisite not satisfied"); + PREREQFAILNT(DNS_R_YXRRSET, name, + rdata.type, + "'rrset does not exist' " + "prerequisite not " + "satisfied"); } } } else if (update_class == zoneclass) { @@ -2431,7 +2481,7 @@ update_action(isc_task_t *task, isc_event_t *event) { FAIL(ISC_R_UNEXPECTED); } } else { - FAILC(DNS_R_FORMERR, "malformed prerequisite"); + PREREQFAILC(DNS_R_FORMERR, "malformed prerequisite"); } } if (result != ISC_R_NOMORE) @@ -2880,6 +2930,9 @@ update_action(isc_task_t *task, isc_event_t *event) { goto common; failure: + if (result == DNS_R_REFUSED) + inc_stats(zone, dns_nsstatscounter_updaterej); + /* * The reason for failure should have been logged at this point. */ @@ -2902,11 +2955,10 @@ update_action(isc_task_t *task, isc_event_t *event) { if (ssutable != NULL) dns_ssutable_detach(&ssutable); - if (zone != NULL) - dns_zone_detach(&zone); - isc_task_detach(&task); uev->result = result; + if (zone != NULL) + INSIST(uev->zone == zone); /* we use this later */ uev->ev_type = DNS_EVENT_UPDATEDONE; uev->ev_action = updatedone_action; isc_task_send(client->task, &event); @@ -2924,6 +2976,19 @@ updatedone_action(isc_task_t *task, isc_event_t *event) { INSIST(task == client->task); INSIST(client->nupdates > 0); + switch (uev->result) { + case ISC_R_SUCCESS: + inc_stats(uev->zone, dns_nsstatscounter_updatedone); + break; + case DNS_R_REFUSED: + inc_stats(uev->zone, dns_nsstatscounter_updaterej); + break; + default: + inc_stats(uev->zone, dns_nsstatscounter_updatefail); + break; + } + if (uev->zone != NULL) + dns_zone_detach(&uev->zone); client->nupdates--; respond(client, uev->result); isc_event_free(&event); @@ -2952,17 +3017,21 @@ static void forward_callback(void *arg, isc_result_t result, dns_message_t *answer) { update_event_t *uev = arg; ns_client_t *client = uev->ev_arg; + dns_zone_t *zone = uev->zone; if (result != ISC_R_SUCCESS) { INSIST(answer == NULL); uev->ev_type = DNS_EVENT_UPDATEDONE; uev->ev_action = forward_fail; + inc_stats(zone, dns_nsstatscounter_updatefwdfail); } else { uev->ev_type = DNS_EVENT_UPDATEDONE; uev->ev_action = forward_done; uev->answer = answer; + inc_stats(zone, dns_nsstatscounter_updaterespfwd); } isc_task_send(client->task, ISC_EVENT_PTR(&uev)); + dns_zone_detach(&zone); } static void @@ -2993,8 +3062,10 @@ forward_action(isc_task_t *task, isc_event_t *event) { uev->ev_type = DNS_EVENT_UPDATEDONE; uev->ev_action = forward_fail; isc_task_send(client->task, &event); - } - dns_zone_detach(&zone); + inc_stats(zone, dns_nsstatscounter_updatefwdfail); + dns_zone_detach(&zone); + } else + inc_stats(zone, dns_nsstatscounter_updatereqfwd); isc_task_detach(&task); } diff --git a/bin/named/xfrout.c b/bin/named/xfrout.c index 6cc8f706..fb531cc7 100644 --- a/bin/named/xfrout.c +++ b/bin/named/xfrout.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: xfrout.c,v 1.126 2007/06/18 23:47:19 tbox Exp $ */ +/* $Id: xfrout.c,v 1.126.128.2 2008/04/03 06:20:33 tbox Exp $ */ #include <config.h> @@ -40,6 +40,7 @@ #include <dns/rdatasetiter.h> #include <dns/result.h> #include <dns/soa.h> +#include <dns/stats.h> #include <dns/timer.h> #include <dns/tsig.h> #include <dns/view.h> @@ -51,7 +52,7 @@ #include <named/server.h> #include <named/xfrout.h> -/*! \file +/*! \file * \brief * Outgoing AXFR and IXFR. */ @@ -86,7 +87,7 @@ ns_client_log(client, DNS_LOGCATEGORY_XFER_OUT, \ NS_LOGMODULE_XFER_OUT, ISC_LOG_INFO, \ "bad zone transfer request: %s (%s)", \ - msg, isc_result_totext(code)); \ + msg, isc_result_totext(code)); \ if (result != ISC_R_SUCCESS) goto failure; \ } while (0) @@ -100,12 +101,12 @@ ns_client_log(client, DNS_LOGCATEGORY_XFER_OUT, \ NS_LOGMODULE_XFER_OUT, ISC_LOG_INFO, \ "bad zone transfer request: '%s/%s': %s (%s)", \ - _buf1, _buf2, msg, isc_result_totext(code)); \ + _buf1, _buf2, msg, isc_result_totext(code)); \ if (result != ISC_R_SUCCESS) goto failure; \ } while (0) #define CHECK(op) \ - do { result = (op); \ + do { result = (op); \ if (result != ISC_R_SUCCESS) goto failure; \ } while (0) @@ -121,12 +122,12 @@ typedef struct db_rr_iterator db_rr_iterator_t; struct db_rr_iterator { isc_result_t result; dns_db_t *db; - dns_dbiterator_t *dbit; + dns_dbiterator_t *dbit; dns_dbversion_t *ver; isc_stdtime_t now; dns_dbnode_t *node; dns_fixedname_t fixedname; - dns_rdatasetiter_t *rdatasetit; + dns_rdatasetiter_t *rdatasetit; dns_rdataset_t rdataset; dns_rdata_t rdata; }; @@ -148,6 +149,16 @@ db_rr_iterator_current(db_rr_iterator_t *it, dns_name_t **name, static void db_rr_iterator_destroy(db_rr_iterator_t *it); +static inline void +inc_stats(dns_zone_t *zone, dns_statscounter_t counter) { + dns_generalstats_increment(ns_g_server->nsstats, counter); + if (zone != NULL) { + dns_stats_t *zonestats = dns_zone_getrequeststats(zone); + if (zonestats != NULL) + dns_generalstats_increment(zonestats, counter); + } +} + static isc_result_t db_rr_iterator_init(db_rr_iterator_t *it, dns_db_t *db, dns_dbversion_t *ver, isc_stdtime_t now) @@ -326,7 +337,7 @@ log_rr(dns_name_t *name, dns_rdata_t *rdata, isc_uint32_t ttl) { INSIST(buf.used >= 1 && ((char *) buf.base)[buf.used - 1] == '\n'); buf.used--; - + isc_log_write(XFROUT_RR_LOGARGS, "%.*s", (int)isc_buffer_usedlength(&buf), (char *)isc_buffer_base(&buf)); @@ -818,6 +829,7 @@ typedef struct { dns_name_t *qname; /* Question name of request */ dns_rdatatype_t qtype; /* dns_rdatatype_{a,i}xfr */ dns_rdataclass_t qclass; + dns_zone_t *zone; /* (necessary for stats) */ dns_db_t *db; dns_dbversion_t *ver; isc_quota_t *quota; @@ -841,7 +853,7 @@ typedef struct { static isc_result_t xfrout_ctx_create(isc_mem_t *mctx, ns_client_t *client, unsigned int id, dns_name_t *qname, dns_rdatatype_t qtype, - dns_rdataclass_t qclass, + dns_rdataclass_t qclass, dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver, isc_quota_t *quota, rrstream_t *stream, dns_tsigkey_t *tsigkey, isc_buffer_t *lasttsig, @@ -969,7 +981,7 @@ ns_xfr_start(ns_client_t *client, dns_rdatatype_t reqtype) { /* * Normal zone table does not have a match. Try the DLZ database */ - if (client->view->dlzdatabase != NULL) { + if (client->view->dlzdatabase != NULL) { result = dns_dlzallowzonexfr(client->view, question_name, &client->peeraddr, &db); @@ -1006,7 +1018,7 @@ ns_xfr_start(ns_client_t *client, dns_rdatatype_t reqtype) { } else { /* - * not DLZ and not in normal zone table, we are + * not DLZ and not in normal zone table, we are * not authoritative */ FAILQ(DNS_R_NOTAUTH, "non-authoritative zone", @@ -1210,26 +1222,28 @@ ns_xfr_start(ns_client_t *client, dns_rdatatype_t reqtype) { #ifdef DLZ if (is_dlz) - CHECK(xfrout_ctx_create(mctx, client, request->id, question_name, - reqtype, question_class, db, ver, quota, - stream, dns_message_gettsigkey(request), - tsigbuf, - 3600, - 3600, - (format == dns_many_answers) ? - ISC_TRUE : ISC_FALSE, - &xfr)); - else + CHECK(xfrout_ctx_create(mctx, client, request->id, question_name, + reqtype, question_class, zone, db, ver, + quota, stream, + dns_message_gettsigkey(request), + tsigbuf, + 3600, + 3600, + (format == dns_many_answers) ? + ISC_TRUE : ISC_FALSE, + &xfr)); + else #endif - CHECK(xfrout_ctx_create(mctx, client, request->id, question_name, - reqtype, question_class, db, ver, quota, - stream, dns_message_gettsigkey(request), - tsigbuf, - dns_zone_getmaxxfrout(zone), - dns_zone_getidleout(zone), - (format == dns_many_answers) ? - ISC_TRUE : ISC_FALSE, - &xfr)); + CHECK(xfrout_ctx_create(mctx, client, request->id, question_name, + reqtype, question_class, zone, db, ver, + quota, stream, + dns_message_gettsigkey(request), + tsigbuf, + dns_zone_getmaxxfrout(zone), + dns_zone_getidleout(zone), + (format == dns_many_answers) ? + ISC_TRUE : ISC_FALSE, + &xfr)); xfr->mnemonic = mnemonic; stream = NULL; @@ -1261,6 +1275,8 @@ ns_xfr_start(ns_client_t *client, dns_rdatatype_t reqtype) { result = ISC_R_SUCCESS; failure: + if (result == DNS_R_REFUSED) + inc_stats(zone, dns_nsstatscounter_xfrrej); if (quota != NULL) isc_quota_detach("a); if (current_soa_tuple != NULL) @@ -1291,7 +1307,7 @@ ns_xfr_start(ns_client_t *client, dns_rdatatype_t reqtype) { static isc_result_t xfrout_ctx_create(isc_mem_t *mctx, ns_client_t *client, unsigned int id, dns_name_t *qname, dns_rdatatype_t qtype, - dns_rdataclass_t qclass, + dns_rdataclass_t qclass, dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver, isc_quota_t *quota, rrstream_t *stream, dns_tsigkey_t *tsigkey, isc_buffer_t *lasttsig, unsigned int maxtime, @@ -1314,8 +1330,10 @@ xfrout_ctx_create(isc_mem_t *mctx, ns_client_t *client, unsigned int id, xfr->qname = qname; xfr->qtype = qtype; xfr->qclass = qclass; + xfr->zone = NULL; xfr->db = NULL; xfr->ver = NULL; + dns_zone_attach(zone, &xfr->zone); dns_db_attach(db, &xfr->db); dns_db_attachversion(db, ver, &xfr->ver); xfr->end_of_stream = ISC_FALSE; @@ -1663,7 +1681,7 @@ sendstream(xfrout_ctx_t *xfr) { * iterators before returning from the event handler. */ xfr->stream->methods->pause(xfr->stream); - + if (result == ISC_R_SUCCESS) return; @@ -1691,6 +1709,8 @@ xfrout_ctx_destroy(xfrout_ctx_t **xfrp) { isc_quota_detach(&xfr->quota); if (xfr->ver != NULL) dns_db_closeversion(xfr->db, &xfr->ver, ISC_FALSE); + if (xfr->zone != NULL) + dns_zone_detach(&xfr->zone); if (xfr->db != NULL) dns_db_detach(&xfr->db); @@ -1724,6 +1744,7 @@ xfrout_senddone(isc_task_t *task, isc_event_t *event) { sendstream(xfr); } else { /* End of zone transfer stream. */ + inc_stats(xfr->zone, dns_nsstatscounter_xfrdone); xfrout_log(xfr, ISC_LOG_INFO, "%s ended", xfr->mnemonic); ns_client_next(xfr->client, ISC_R_SUCCESS); xfrout_ctx_destroy(&xfr); diff --git a/bin/named/zoneconf.c b/bin/named/zoneconf.c index 4f53a8f1..2ee22bd0 100644 --- a/bin/named/zoneconf.c +++ b/bin/named/zoneconf.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: zoneconf.c,v 1.139 2007/09/18 00:22:30 marka Exp $ */ +/* $Id: zoneconf.c,v 1.139.56.2 2008/04/03 06:20:33 tbox Exp $ */ /*% */ @@ -34,6 +34,7 @@ #include <dns/name.h> #include <dns/rdatatype.h> #include <dns/ssu.h> +#include <dns/stats.h> #include <dns/view.h> #include <dns/zone.h> @@ -60,7 +61,7 @@ static isc_result_t configure_zone_acl(const cfg_obj_t *zconfig, const cfg_obj_t *vconfig, const cfg_obj_t *config, const char *aclname, - cfg_aclconfctx_t *actx, dns_zone_t *zone, + cfg_aclconfctx_t *actx, dns_zone_t *zone, void (*setzacl)(dns_zone_t *, dns_acl_t *), void (*clearzacl)(dns_zone_t *)) { @@ -272,11 +273,11 @@ strtoargvsub(isc_mem_t *mctx, char *s, unsigned int *argcp, char ***argvp, unsigned int n) { isc_result_t result; - + /* Discard leading whitespace. */ while (*s == ' ' || *s == '\t') s++; - + if (*s == '\0') { /* We have reached the end of the string. */ *argcp = n; @@ -361,6 +362,8 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, isc_boolean_t warn = ISC_FALSE, ignore = ISC_FALSE; isc_boolean_t ixfrdiff; dns_masterformat_t masterformat; + dns_stats_t *zoneqrystats; + isc_boolean_t zonestats_on; i = 0; if (zconfig != NULL) { @@ -488,7 +491,15 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, obj = NULL; result = ns_config_get(maps, "zone-statistics", &obj); INSIST(result == ISC_R_SUCCESS); - RETERR(dns_zone_setstatistics(zone, cfg_obj_asboolean(obj))); + zonestats_on = cfg_obj_asboolean(obj); + zoneqrystats = NULL; + if (zonestats_on) { + RETERR(dns_generalstats_create(mctx, &zoneqrystats, + dns_nsstatscounter_max)); + } + dns_zone_setrequeststats(zone, zoneqrystats); + if (zoneqrystats != NULL) + dns_stats_detach(&zoneqrystats); /* * Configure master functionality. This applies @@ -628,7 +639,7 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, obj = NULL; result = ns_config_get(maps, "check-sibling", &obj); INSIST(result == ISC_R_SUCCESS); - dns_zone_setoption(zone, DNS_ZONEOPT_CHECKSIBLING, + dns_zone_setoption(zone, DNS_ZONEOPT_CHECKSIBLING, cfg_obj_asboolean(obj)); obj = NULL; @@ -647,7 +658,7 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, "allow-update", ac, zone, dns_zone_setupdateacl, dns_zone_clearupdateacl)); - + updateacl = dns_zone_getupdateacl(zone); if (updateacl != NULL && dns_acl_isinsecure(updateacl)) isc_log_write(ns_g_lctx, DNS_LOGCATEGORY_SECURITY, @@ -655,7 +666,7 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, "zone '%s' allows updates by IP " "address, which is insecure", zname); - + RETERR(configure_zone_ssutable(zoptions, zone)); obj = NULL; @@ -703,7 +714,7 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, obj = NULL; result = ns_config_get(maps, "check-integrity", &obj); INSIST(obj != NULL); - dns_zone_setoption(zone, DNS_ZONEOPT_CHECKINTEGRITY, + dns_zone_setoption(zone, DNS_ZONEOPT_CHECKINTEGRITY, cfg_obj_asboolean(obj)); obj = NULL; @@ -739,7 +750,7 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, obj = NULL; result = ns_config_get(maps, "update-check-ksk", &obj); INSIST(result == ISC_R_SUCCESS); - dns_zone_setoption(zone, DNS_ZONEOPT_UPDATECHECKKSK, + dns_zone_setoption(zone, DNS_ZONEOPT_UPDATECHECKKSK, cfg_obj_asboolean(obj)); } @@ -753,7 +764,7 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, "allow-update", ac, zone, dns_zone_setupdateacl, dns_zone_clearupdateacl)); - + updateacl = dns_zone_getupdateacl(zone); if (updateacl != NULL && dns_acl_isinsecure(updateacl)) isc_log_write(ns_g_lctx, DNS_LOGCATEGORY_SECURITY, @@ -761,7 +772,7 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, "zone '%s' allows updates by IP " "address, which is insecure", zname); - + RETERR(configure_zone_ssutable(zoptions, zone)); obj = NULL; diff --git a/bin/tests/system/ifconfig.sh b/bin/tests/system/ifconfig.sh index 2e041015..0cecbf16 100755 --- a/bin/tests/system/ifconfig.sh +++ b/bin/tests/system/ifconfig.sh @@ -1,6 +1,6 @@ #!/bin/sh # -# Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2000-2003 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: ifconfig.sh,v 1.51 2007/06/19 23:47:00 tbox Exp $ +# $Id: ifconfig.sh,v 1.51.128.2 2008/03/03 23:46:26 tbox Exp $ # # Set up interface aliases for bind9 system tests. @@ -85,6 +85,9 @@ case "$1" in *-unknown-netbsd*) ifconfig lo0 10.53.0.$ns alias netmask 255.255.255.0 ;; + *-unknown-openbsd*) + ifconfig lo0 10.53.0.$ns alias netmask 255.255.255.0 + ;; *-*-bsdi[3-5].*) ifconfig lo0 add 10.53.0.$ns netmask 255.255.255.0 ;; @@ -145,6 +148,9 @@ case "$1" in *-unknown-netbsd*) ifconfig lo0 10.53.0.$ns delete ;; + *-unknown-openbsd*) + ifconfig lo0 10.53.0.$ns delete + ;; *-*-bsdi[3-5].*) ifconfig lo0 remove 10.53.0.$ns ;; diff --git a/bin/tests/system/ixfr/ns1/.exists b/bin/tests/system/ixfr/ns1/.exists deleted file mode 100644 index e69de29b..00000000 --- a/bin/tests/system/ixfr/ns1/.exists +++ /dev/null diff --git a/bin/tests/system/rrsetorder/clean.sh b/bin/tests/system/rrsetorder/clean.sh index 0cb15620..dd2dc114 100644 --- a/bin/tests/system/rrsetorder/clean.sh +++ b/bin/tests/system/rrsetorder/clean.sh @@ -1,6 +1,6 @@ #!/bin/sh # -# Copyright (C) 2006, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2006-2008 Internet Systems Consortium, Inc. ("ISC") # # Permission to use, copy, modify, and/or distribute this software for any # purpose with or without fee is hereby granted, provided that the above @@ -14,9 +14,10 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: clean.sh,v 1.6 2007/09/26 03:22:44 marka Exp $ +# $Id: clean.sh,v 1.6.46.2 2008/04/24 23:46:29 tbox Exp $ rm -f dig.out.cyclic dig.out.fixed dig.out.random +rm -f dig.out.0 dig.out.1 dig.out.2 dig.out.3 rm -f ns2/root.bk rm -f ns?/named.run ns?/named.core rm -f */named.memstats diff --git a/bin/tests/system/rrsetorder/dig.out.cyclic.good1 b/bin/tests/system/rrsetorder/dig.out.cyclic.good1 deleted file mode 100644 index d2ca6fc3..00000000 --- a/bin/tests/system/rrsetorder/dig.out.cyclic.good1 +++ /dev/null @@ -1,4 +0,0 @@ -1.2.3.1 -1.2.3.4 -1.2.3.3 -1.2.3.2 diff --git a/bin/tests/system/rrsetorder/dig.out.cyclic.good2 b/bin/tests/system/rrsetorder/dig.out.cyclic.good2 deleted file mode 100644 index c25c7560..00000000 --- a/bin/tests/system/rrsetorder/dig.out.cyclic.good2 +++ /dev/null @@ -1,4 +0,0 @@ -1.2.3.4 -1.2.3.3 -1.2.3.2 -1.2.3.1 diff --git a/bin/tests/system/rrsetorder/dig.out.cyclic.good3 b/bin/tests/system/rrsetorder/dig.out.cyclic.good3 deleted file mode 100644 index e8deb671..00000000 --- a/bin/tests/system/rrsetorder/dig.out.cyclic.good3 +++ /dev/null @@ -1,4 +0,0 @@ -1.2.3.3 -1.2.3.2 -1.2.3.1 -1.2.3.4 diff --git a/bin/tests/system/rrsetorder/dig.out.cyclic.good4 b/bin/tests/system/rrsetorder/dig.out.cyclic.good4 deleted file mode 100644 index 3b276939..00000000 --- a/bin/tests/system/rrsetorder/dig.out.cyclic.good4 +++ /dev/null @@ -1,4 +0,0 @@ -1.2.3.2 -1.2.3.1 -1.2.3.4 -1.2.3.3 diff --git a/bin/tests/system/rrsetorder/tests.sh b/bin/tests/system/rrsetorder/tests.sh index de9136e9..cf38a703 100644 --- a/bin/tests/system/rrsetorder/tests.sh +++ b/bin/tests/system/rrsetorder/tests.sh @@ -1,6 +1,6 @@ #!/bin/sh # -# Copyright (C) 2006, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2006-2008 Internet Systems Consortium, Inc. ("ISC") # # Permission to use, copy, modify, and/or distribute this software for any # purpose with or without fee is hereby granted, provided that the above @@ -14,54 +14,60 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: tests.sh,v 1.5 2007/06/19 23:47:05 tbox Exp $ +# $Id: tests.sh,v 1.5.128.2 2008/04/24 23:46:29 tbox Exp $ SYSTEMTESTTOP=.. . $SYSTEMTESTTOP/conf.sh status=0 +if grep -q "^#define DNS_RDATASET_FIXED" $TOP/config.h; then + test_fixed=true +else + echo "I: Order 'fixed' disabled at compile time" + test_fixed=false +fi + # # # -echo "I: Checking order fixed (master)" -ret=0 -for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 -do -$DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ - -p 5300 @10.53.0.1 fixed.example > dig.out.fixed || ret=1 -cmp -s dig.out.fixed dig.out.fixed.good || ret=1 -done -if [ $ret != 0 ]; then echo "I:failed"; fi -status=`expr $status + $ret` +if $test_fixed; then + echo "I: Checking order fixed (master)" + ret=0 + for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 + do + $DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ + -p 5300 @10.53.0.1 fixed.example > dig.out.fixed || ret=1 + cmp -s dig.out.fixed dig.out.fixed.good || ret=1 + done + if [ $ret != 0 ]; then echo "I:failed"; fi + status=`expr $status + $ret` +fi # # # echo "I: Checking order cyclic (master)" ret=0 -match1=0 -match2=0 -match3=0 -match4=0 -for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 +matches=0 +for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 do -$DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ - -p 5300 @10.53.0.1 cyclic.example > dig.out.cyclic || ret=1 -cmp -s dig.out.cyclic dig.out.cyclic.good1 || \ -cmp -s dig.out.cyclic dig.out.cyclic.good2 || \ -cmp -s dig.out.cyclic dig.out.cyclic.good3 || \ -cmp -s dig.out.cyclic dig.out.cyclic.good4 || \ -ret=1 - -cmp -s dig.out.cyclic dig.out.cyclic.good1 && match1=1 -cmp -s dig.out.cyclic dig.out.cyclic.good2 && match2=1 -cmp -s dig.out.cyclic dig.out.cyclic.good3 && match3=1 -cmp -s dig.out.cyclic dig.out.cyclic.good4 && match4=1 - + j=`expr $i % 4` + $DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ + -p 5300 @10.53.0.1 cyclic.example > dig.out.cyclic || ret=1 + if [ $i -le 4 ]; then + cp dig.out.cyclic dig.out.$j + else + cmp -s dig.out.cyclic dig.out.$j && matches=`expr $matches + 1` + fi done -match=`expr $match1 + $match2 + $match3 + $match4` -if [ $match != 4 ]; then ret=1; fi +cmp -s dig.out.0 dig.out.1 && ret=1 +cmp -s dig.out.0 dig.out.2 && ret=1 +cmp -s dig.out.0 dig.out.3 && ret=1 +cmp -s dig.out.1 dig.out.2 && ret=1 +cmp -s dig.out.1 dig.out.3 && ret=1 +cmp -s dig.out.2 dig.out.3 && ret=1 +if [ $matches -ne 16 ]; then ret=1; fi if [ $ret != 0 ]; then echo "I:failed"; fi status=`expr $status + $ret` @@ -96,44 +102,43 @@ status=`expr $status + $ret` # # # -echo "I: Checking order fixed (slave)" -ret=0 -for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 -do -$DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ - -p 5300 @10.53.0.2 fixed.example > dig.out.fixed || ret=1 -cmp -s dig.out.fixed dig.out.fixed.good || ret=1 -done -if [ $ret != 0 ]; then echo "I:failed"; fi -status=`expr $status + $ret` +if $test_fixed; then + echo "I: Checking order fixed (slave)" + ret=0 + for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 + do + $DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ + -p 5300 @10.53.0.2 fixed.example > dig.out.fixed || ret=1 + cmp -s dig.out.fixed dig.out.fixed.good || ret=1 + done + if [ $ret != 0 ]; then echo "I:failed"; fi + status=`expr $status + $ret` +fi # # # echo "I: Checking order cyclic (slave)" ret=0 -match1=0 -match2=0 -match3=0 -match4=0 -for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 +matches=0 +for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 do -$DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ - -p 5300 @10.53.0.2 cyclic.example > dig.out.cyclic || ret=1 -cmp -s dig.out.cyclic dig.out.cyclic.good1 || \ -cmp -s dig.out.cyclic dig.out.cyclic.good2 || \ -cmp -s dig.out.cyclic dig.out.cyclic.good3 || \ -cmp -s dig.out.cyclic dig.out.cyclic.good4 || \ -ret=1 - -cmp -s dig.out.cyclic dig.out.cyclic.good1 && match1=1 -cmp -s dig.out.cyclic dig.out.cyclic.good2 && match2=1 -cmp -s dig.out.cyclic dig.out.cyclic.good3 && match3=1 -cmp -s dig.out.cyclic dig.out.cyclic.good4 && match4=1 - + j=`expr $i % 4` + $DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ + -p 5300 @10.53.0.2 cyclic.example > dig.out.cyclic || ret=1 + if [ $i -le 4 ]; then + cp dig.out.cyclic dig.out.$j + else + cmp -s dig.out.cyclic dig.out.$j && matches=`expr $matches + 1` + fi done -match=`expr $match1 + $match2 + $match3 + $match4` -if [ $match != 4 ]; then ret=1; fi +cmp -s dig.out.0 dig.out.1 && ret=1 +cmp -s dig.out.0 dig.out.2 && ret=1 +cmp -s dig.out.0 dig.out.3 && ret=1 +cmp -s dig.out.1 dig.out.2 && ret=1 +cmp -s dig.out.1 dig.out.3 && ret=1 +cmp -s dig.out.2 dig.out.3 && ret=1 +if [ $matches -ne 16 ]; then ret=1; fi if [ $ret != 0 ]; then echo "I:failed"; fi status=`expr $status + $ret` @@ -184,44 +189,43 @@ echo "I: Re-starting slave" # # # -echo "I: Checking order fixed (slave loaded from disk)" -ret=0 -for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 -do -$DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ - -p 5300 @10.53.0.2 fixed.example > dig.out.fixed || ret=1 -cmp -s dig.out.fixed dig.out.fixed.good || ret=1 -done -if [ $ret != 0 ]; then echo "I:failed"; fi -status=`expr $status + $ret` +if $test_fixed; then + echo "I: Checking order fixed (slave loaded from disk)" + ret=0 + for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 + do + $DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ + -p 5300 @10.53.0.2 fixed.example > dig.out.fixed || ret=1 + cmp -s dig.out.fixed dig.out.fixed.good || ret=1 + done + if [ $ret != 0 ]; then echo "I:failed"; fi + status=`expr $status + $ret` +fi # # # echo "I: Checking order cyclic (slave loaded from disk)" ret=0 -match1=0 -match2=0 -match3=0 -match4=0 -for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 +matches=0 +for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 do -$DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ - -p 5300 @10.53.0.2 cyclic.example > dig.out.cyclic || ret=1 -cmp -s dig.out.cyclic dig.out.cyclic.good1 || \ -cmp -s dig.out.cyclic dig.out.cyclic.good2 || \ -cmp -s dig.out.cyclic dig.out.cyclic.good3 || \ -cmp -s dig.out.cyclic dig.out.cyclic.good4 || \ -ret=1 - -cmp -s dig.out.cyclic dig.out.cyclic.good1 && match1=1 -cmp -s dig.out.cyclic dig.out.cyclic.good2 && match2=1 -cmp -s dig.out.cyclic dig.out.cyclic.good3 && match3=1 -cmp -s dig.out.cyclic dig.out.cyclic.good4 && match4=1 - + j=`expr $i % 4` + $DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ + -p 5300 @10.53.0.2 cyclic.example > dig.out.cyclic || ret=1 + if [ $i -le 4 ]; then + cp dig.out.cyclic dig.out.$j + else + cmp -s dig.out.cyclic dig.out.$j && matches=`expr $matches + 1` + fi done -match=`expr $match1 + $match2 + $match3 + $match4` -if [ $match != 4 ]; then ret=1; fi +cmp -s dig.out.0 dig.out.1 && ret=1 +cmp -s dig.out.0 dig.out.2 && ret=1 +cmp -s dig.out.0 dig.out.3 && ret=1 +cmp -s dig.out.1 dig.out.2 && ret=1 +cmp -s dig.out.1 dig.out.3 && ret=1 +cmp -s dig.out.2 dig.out.3 && ret=1 +if [ $matches -ne 16 ]; then ret=1; fi if [ $ret != 0 ]; then echo "I:failed"; fi status=`expr $status + $ret` @@ -256,44 +260,43 @@ status=`expr $status + $ret` # # # -echo "I: Checking order fixed (cache)" -ret=0 -for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 -do -$DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ - -p 5300 @10.53.0.3 fixed.example > dig.out.fixed || ret=1 -cmp -s dig.out.fixed dig.out.fixed.good || ret=1 -done -if [ $ret != 0 ]; then echo "I:failed"; fi -status=`expr $status + $ret` +if $test_fixed; then + echo "I: Checking order fixed (cache)" + ret=0 + for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 + do + $DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ + -p 5300 @10.53.0.3 fixed.example > dig.out.fixed || ret=1 + cmp -s dig.out.fixed dig.out.fixed.good || ret=1 + done + if [ $ret != 0 ]; then echo "I:failed"; fi + status=`expr $status + $ret` +fi # # # echo "I: Checking order cyclic (cache)" ret=0 -match1=0 -match2=0 -match3=0 -match4=0 -for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 +matches=0 +for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 do -$DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ - -p 5300 @10.53.0.3 cyclic.example > dig.out.cyclic || ret=1 -cmp -s dig.out.cyclic dig.out.cyclic.good1 || \ -cmp -s dig.out.cyclic dig.out.cyclic.good2 || \ -cmp -s dig.out.cyclic dig.out.cyclic.good3 || \ -cmp -s dig.out.cyclic dig.out.cyclic.good4 || \ -ret=1 - -cmp -s dig.out.cyclic dig.out.cyclic.good1 && match1=1 -cmp -s dig.out.cyclic dig.out.cyclic.good2 && match2=1 -cmp -s dig.out.cyclic dig.out.cyclic.good3 && match3=1 -cmp -s dig.out.cyclic dig.out.cyclic.good4 && match4=1 - + j=`expr $i % 4` + $DIG +nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short \ + -p 5300 @10.53.0.3 cyclic.example > dig.out.cyclic || ret=1 + if [ $i -le 4 ]; then + cp dig.out.cyclic dig.out.$j + else + cmp -s dig.out.cyclic dig.out.$j && matches=`expr $matches + 1` + fi done -match=`expr $match1 + $match2 + $match3 + $match4` -if [ $match != 4 ]; then ret=1; fi +cmp -s dig.out.0 dig.out.1 && ret=1 +cmp -s dig.out.0 dig.out.2 && ret=1 +cmp -s dig.out.0 dig.out.3 && ret=1 +cmp -s dig.out.1 dig.out.2 && ret=1 +cmp -s dig.out.1 dig.out.3 && ret=1 +cmp -s dig.out.2 dig.out.3 && ret=1 +if [ $matches -ne 16 ]; then ret=1; fi if [ $ret != 0 ]; then echo "I:failed"; fi status=`expr $status + $ret` diff --git a/config.h.in b/config.h.in index fdbe1923..e0fbcfc9 100644 --- a/config.h.in +++ b/config.h.in @@ -16,7 +16,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: config.h.in,v 1.90.60.4 2008/01/24 02:41:47 marka Exp $ */ +/* $Id: config.h.in,v 1.90.60.8 2008/05/06 01:32:51 each Exp $ */ /*! \file */ @@ -157,6 +157,9 @@ int sigwait(const unsigned int *set, int *sig); /* Define if you cannot bind() before connect() for TCP sockets. */ #undef BROKEN_TCP_BIND_BEFORE_CONNECT +/* Define to enable "rrset-order fixed" syntax. */ +#undef DNS_RDATASET_FIXED + /* Define to 1 if you have the <dlfcn.h> header file. */ #undef HAVE_DLFCN_H @@ -175,6 +178,9 @@ int sigwait(const unsigned int *set, int *sig); /* Define to 1 if you have the `c' library (-lc). */ #undef HAVE_LIBC +/* Define to 1 if you have the `cap' library (-lcap). */ +#undef HAVE_LIBCAP + /* Define to 1 if you have the `c_r' library (-lc_r). */ #undef HAVE_LIBC_R @@ -223,6 +229,9 @@ int sigwait(const unsigned int *set, int *sig); /* Define to 1 if you have the <string.h> header file. */ #undef HAVE_STRING_H +/* Define to 1 if you have the <sys/capability.h> header file. */ +#undef HAVE_SYS_CAPABILITY_H + /* Define to 1 if you have the <sys/param.h> header file. */ #undef HAVE_SYS_PARAM_H diff --git a/config.h.win32 b/config.h.win32 index 31226de5..7e77ba93 100644 --- a/config.h.win32 +++ b/config.h.win32 @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2006, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2006-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: config.h.win32,v 1.16 2007/06/19 23:46:59 tbox Exp $ */ +/* $Id: config.h.win32,v 1.16.130.2 2008/04/02 23:46:28 tbox Exp $ */ /* * win32 configuration file @@ -123,9 +123,7 @@ /* Define if you have DH_generate_parameters(). */ #define HAVE_DH_GENERATE_PARAMETERS -#define ISC_PLATFORM_NEEDSTRLCAT - -#define ISC_PLATFORM_NEEDSTRLCPY +#define WANT_IPV6 #define S_IFMT _S_IFMT /* file type mask */ #define S_IFDIR _S_IFDIR /* directory */ @@ -146,7 +144,7 @@ /* open() under unix allows setting of read/write permissions * at the owner, group and other levels. These don't exist in NT - * We'll just map them all to the NT equivalent + * We'll just map them all to the NT equivalent */ #define S_IRUSR _S_IREAD /* Owner read permission */ @@ -196,7 +194,7 @@ typedef long off_t; */ #include <versions.h> -/* We actually are using the CryptAPI and not a device */ +/* We actually are using the CryptAPI and not a device */ #define PATH_RANDOMDEV "CryptAPI" #include <stddef.h> @@ -14,7 +14,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. # -# $Id: configure,v 1.418.60.4 2008/01/24 02:41:48 marka Exp $ +# $Id: configure,v 1.418.60.8 2008/05/06 01:33:33 each Exp $ # # Portions Copyright (C) 1996-2001 Nominum, Inc. # @@ -29,7 +29,7 @@ # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -# From configure.in Revision: 1.432.60.5 . +# From configure.in Revision: 1.432.60.9 . # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.61. # @@ -1638,6 +1638,8 @@ Optional Features: --disable-linux-caps disable linux capabilities --enable-atomic enable machine specific atomic operations [default=autodetect] + --enable-fixed-rrset enable fixed rrset ordering + [default=no] Optional Packages: --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] @@ -9045,6 +9047,14 @@ esac # # GNU libtool support # +case $host in +sunos*) + # Just set the maximum command line length for sunos as it otherwise + # takes a exceptionally long time to work it out. Required for libtool. + lt_cv_sys_max_cmd_len=4096; + ;; +esac + # Check whether --with-libtool was given. if test "${with_libtool+set}" = set; then @@ -9581,7 +9591,7 @@ ia64-*-hpux*) ;; *-*-irix6*) # Find out which ABI we are using. - echo '#line 9584 "configure"' > conftest.$ac_ext + echo '#line 9594 "configure"' > conftest.$ac_ext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? @@ -11703,11 +11713,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:11706: $lt_compile\"" >&5) + (eval echo "\"\$as_me:11716: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:11710: \$? = $ac_status" >&5 + echo "$as_me:11720: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -11946,11 +11956,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:11949: $lt_compile\"" >&5) + (eval echo "\"\$as_me:11959: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:11953: \$? = $ac_status" >&5 + echo "$as_me:11963: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -12006,11 +12016,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:12009: $lt_compile\"" >&5) + (eval echo "\"\$as_me:12019: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:12013: \$? = $ac_status" >&5 + echo "$as_me:12023: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -14154,7 +14164,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 14157 "configure" +#line 14167 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -14252,7 +14262,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 14255 "configure" +#line 14265 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -16445,11 +16455,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:16448: $lt_compile\"" >&5) + (eval echo "\"\$as_me:16458: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:16452: \$? = $ac_status" >&5 + echo "$as_me:16462: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -16505,11 +16515,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:16508: $lt_compile\"" >&5) + (eval echo "\"\$as_me:16518: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:16512: \$? = $ac_status" >&5 + echo "$as_me:16522: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -17833,7 +17843,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 17836 "configure" +#line 17846 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -17931,7 +17941,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 17934 "configure" +#line 17944 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -18768,11 +18778,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:18771: $lt_compile\"" >&5) + (eval echo "\"\$as_me:18781: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:18775: \$? = $ac_status" >&5 + echo "$as_me:18785: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -18828,11 +18838,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:18831: $lt_compile\"" >&5) + (eval echo "\"\$as_me:18841: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:18835: \$? = $ac_status" >&5 + echo "$as_me:18845: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -20862,11 +20872,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:20865: $lt_compile\"" >&5) + (eval echo "\"\$as_me:20875: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:20869: \$? = $ac_status" >&5 + echo "$as_me:20879: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -21105,11 +21115,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:21108: $lt_compile\"" >&5) + (eval echo "\"\$as_me:21118: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:21112: \$? = $ac_status" >&5 + echo "$as_me:21122: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -21165,11 +21175,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:21168: $lt_compile\"" >&5) + (eval echo "\"\$as_me:21178: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:21172: \$? = $ac_status" >&5 + echo "$as_me:21182: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -23313,7 +23323,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 23316 "configure" +#line 23326 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -23411,7 +23421,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 23414 "configure" +#line 23424 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -27490,7 +27500,8 @@ fi case "$enable_linux_caps" in yes|'') -for ac_header in linux/capability.h + +for ac_header in linux/capability.h sys/capability.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then @@ -27629,6 +27640,77 @@ fi done + +{ echo "$as_me:$LINENO: checking for cap_set_proc in -lcap" >&5 +echo $ECHO_N "checking for cap_set_proc in -lcap... $ECHO_C" >&6; } +if test "${ac_cv_lib_cap_cap_set_proc+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lcap $LIBS" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char cap_set_proc (); +int +main () +{ +return cap_set_proc (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + ac_cv_lib_cap_cap_set_proc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_lib_cap_cap_set_proc=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ echo "$as_me:$LINENO: result: $ac_cv_lib_cap_cap_set_proc" >&5 +echo "${ECHO_T}$ac_cv_lib_cap_cap_set_proc" >&6; } +if test $ac_cv_lib_cap_cap_set_proc = yes; then + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBCAP 1 +_ACEOF + + LIBS="-lcap $LIBS" + +fi + ;; no) ;; @@ -29213,6 +29295,30 @@ ISC_ARCH_DIR=$arch # +# Activate "rrset-order fixed" or not? +# +# Check whether --enable-fixed-rrset was given. +if test "${enable_fixed_rrset+set}" = set; then + enableval=$enable_fixed_rrset; enable_fixed="$enableval" +else + enable_fixed="no" +fi + +case "$enable_fixed" in + yes) + +cat >>confdefs.h <<\_ACEOF +#define DNS_RDATASET_FIXED 1 +_ACEOF + + ;; + no) + ;; + *) + ;; +esac + +# # The following sets up how non-blocking i/o is established. # Sunos, cygwin and solaris 2.x (x<5) require special handling. # diff --git a/configure.in b/configure.in index 1e991c55..4ffa8d7b 100644 --- a/configure.in +++ b/configure.in @@ -18,7 +18,7 @@ AC_DIVERT_PUSH(1)dnl esyscmd([sed "s/^/# /" COPYRIGHT])dnl AC_DIVERT_POP()dnl -AC_REVISION($Revision: 1.432.60.5 $) +AC_REVISION($Revision: 1.432.60.9 $) AC_INIT(lib/dns/name.c) AC_PREREQ(2.59) @@ -1097,6 +1097,14 @@ AC_SUBST(PURIFY) # # GNU libtool support # +case $host in +sunos*) + # Just set the maximum command line length for sunos as it otherwise + # takes a exceptionally long time to work it out. Required for libtool. + lt_cv_sys_max_cmd_len=4096; + ;; +esac + AC_ARG_WITH(libtool, [ --with-libtool use GNU libtool (following indented options supported)], use_libtool="$withval", use_libtool="no") @@ -1875,7 +1883,8 @@ AC_ARG_ENABLE(linux-caps, [ --disable-linux-caps disable linux capabilities]) case "$enable_linux_caps" in yes|'') - AC_CHECK_HEADERS(linux/capability.h) + AC_CHECK_HEADERS(linux/capability.h sys/capability.h) + AC_CHECK_LIB(cap, cap_set_proc) ;; no) ;; @@ -2254,6 +2263,25 @@ ISC_ARCH_DIR=$arch AC_SUBST(ISC_ARCH_DIR) # +# Activate "rrset-order fixed" or not? +# +AC_ARG_ENABLE(fixed-rrset, + [ --enable-fixed-rrset enable fixed rrset ordering + [[default=no]]], + enable_fixed="$enableval", + enable_fixed="no") +case "$enable_fixed" in + yes) + AC_DEFINE(DNS_RDATASET_FIXED, 1, + [Define to enable "rrset-order fixed" syntax.]) + ;; + no) + ;; + *) + ;; +esac + +# # The following sets up how non-blocking i/o is established. # Sunos, cygwin and solaris 2.x (x<5) require special handling. # diff --git a/contrib/query-loc-0.3.0/install-sh b/contrib/query-loc-0.3.0/install-sh deleted file mode 100755 index e9de2384..00000000 --- a/contrib/query-loc-0.3.0/install-sh +++ /dev/null @@ -1,251 +0,0 @@ -#!/bin/sh -# -# install - install a program, script, or datafile -# This comes from X11R5 (mit/util/scripts/install.sh). -# -# Copyright 1991 by the Massachusetts Institute of Technology -# -# Permission to use, copy, modify, distribute, and sell this software and its -# documentation for any purpose is hereby granted without fee, provided that -# the above copyright notice appear in all copies and that both that -# copyright notice and this permission notice appear in supporting -# documentation, and that the name of M.I.T. not be used in advertising or -# publicity pertaining to distribution of the software without specific, -# written prior permission. M.I.T. makes no representations about the -# suitability of this software for any purpose. It is provided "as is" -# without express or implied warranty. -# -# Calling this script install-sh is preferred over install.sh, to prevent -# `make' implicit rules from creating a file called install from it -# when there is no Makefile. -# -# This script is compatible with the BSD install script, but was written -# from scratch. It can only install one file at a time, a restriction -# shared with many OS's install programs. - - -# set DOITPROG to echo to test this script - -# Don't use :- since 4.3BSD and earlier shells don't like it. -doit="${DOITPROG-}" - - -# put in absolute paths if you don't have them in your path; or use env. vars. - -mvprog="${MVPROG-mv}" -cpprog="${CPPROG-cp}" -chmodprog="${CHMODPROG-chmod}" -chownprog="${CHOWNPROG-chown}" -chgrpprog="${CHGRPPROG-chgrp}" -stripprog="${STRIPPROG-strip}" -rmprog="${RMPROG-rm}" -mkdirprog="${MKDIRPROG-mkdir}" - -transformbasename="" -transform_arg="" -instcmd="$mvprog" -chmodcmd="$chmodprog 0755" -chowncmd="" -chgrpcmd="" -stripcmd="" -rmcmd="$rmprog -f" -mvcmd="$mvprog" -src="" -dst="" -dir_arg="" - -while [ x"$1" != x ]; do - case $1 in - -c) instcmd="$cpprog" - shift - continue;; - - -d) dir_arg=true - shift - continue;; - - -m) chmodcmd="$chmodprog $2" - shift - shift - continue;; - - -o) chowncmd="$chownprog $2" - shift - shift - continue;; - - -g) chgrpcmd="$chgrpprog $2" - shift - shift - continue;; - - -s) stripcmd="$stripprog" - shift - continue;; - - -t=*) transformarg=`echo $1 | sed 's/-t=//'` - shift - continue;; - - -b=*) transformbasename=`echo $1 | sed 's/-b=//'` - shift - continue;; - - *) if [ x"$src" = x ] - then - src=$1 - else - # this colon is to work around a 386BSD /bin/sh bug - : - dst=$1 - fi - shift - continue;; - esac -done - -if [ x"$src" = x ] -then - echo "install: no input file specified" - exit 1 -else - true -fi - -if [ x"$dir_arg" != x ]; then - dst=$src - src="" - - if [ -d $dst ]; then - instcmd=: - chmodcmd="" - else - instcmd=mkdir - fi -else - -# Waiting for this to be detected by the "$instcmd $src $dsttmp" command -# might cause directories to be created, which would be especially bad -# if $src (and thus $dsttmp) contains '*'. - - if [ -f $src -o -d $src ] - then - true - else - echo "install: $src does not exist" - exit 1 - fi - - if [ x"$dst" = x ] - then - echo "install: no destination specified" - exit 1 - else - true - fi - -# If destination is a directory, append the input filename; if your system -# does not like double slashes in filenames, you may need to add some logic - - if [ -d $dst ] - then - dst="$dst"/`basename $src` - else - true - fi -fi - -## this sed command emulates the dirname command -dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` - -# Make sure that the destination directory exists. -# this part is taken from Noah Friedman's mkinstalldirs script - -# Skip lots of stat calls in the usual case. -if [ ! -d "$dstdir" ]; then -defaultIFS=' -' -IFS="${IFS-${defaultIFS}}" - -oIFS="${IFS}" -# Some sh's can't handle IFS=/ for some reason. -IFS='%' -set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'` -IFS="${oIFS}" - -pathcomp='' - -while [ $# -ne 0 ] ; do - pathcomp="${pathcomp}${1}" - shift - - if [ ! -d "${pathcomp}" ] ; - then - $mkdirprog "${pathcomp}" - else - true - fi - - pathcomp="${pathcomp}/" -done -fi - -if [ x"$dir_arg" != x ] -then - $doit $instcmd $dst && - - if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi && - if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi && - if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi && - if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi -else - -# If we're going to rename the final executable, determine the name now. - - if [ x"$transformarg" = x ] - then - dstfile=`basename $dst` - else - dstfile=`basename $dst $transformbasename | - sed $transformarg`$transformbasename - fi - -# don't allow the sed command to completely eliminate the filename - - if [ x"$dstfile" = x ] - then - dstfile=`basename $dst` - else - true - fi - -# Make a temp file name in the proper directory. - - dsttmp=$dstdir/#inst.$$# - -# Move or copy the file name to the temp name - - $doit $instcmd $src $dsttmp && - - trap "rm -f ${dsttmp}" 0 && - -# and set any options; do chmod last to preserve setuid bits - -# If any of these fail, we abort the whole thing. If we want to -# ignore errors from any of these, just make sure not to ignore -# errors from the above "$doit $instcmd $src $dsttmp" command. - - if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi && - if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi && - if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi && - if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi && - -# Now rename the file to the real destination. - - $doit $rmcmd -f $dstdir/$dstfile && - $doit $mvcmd $dsttmp $dstdir/$dstfile - -fi && - - -exit 0 diff --git a/contrib/query-loc-0.3.0/ADDRESSES b/contrib/query-loc-0.4.0/ADDRESSES index 370fde06..522967eb 100644 --- a/contrib/query-loc-0.3.0/ADDRESSES +++ b/contrib/query-loc-0.4.0/ADDRESSES @@ -1,12 +1,10 @@ The following machines, at least today seem to have LOC records: -*.cpod.fr (for instance www.cpod.fr) +147.210.73.0/24 (note the two /25 have different LOC, inherited differently) 130.104.3.* -195.202.193.* Melanie.Tolna.Net 204.92.254.* -mail.vitts.com alink.net caida.org ckdhr.com @@ -15,4 +13,4 @@ nikhef.nl yahoo.com nic.af -$Id: ADDRESSES,v 1.1 2005/04/01 05:34:59 marka Exp $ +$Id: ADDRESSES,v 1.1.2.1 2008/02/15 02:11:57 marka Exp $ diff --git a/contrib/query-loc-0.3.0/ALGO b/contrib/query-loc-0.4.0/ALGO index 4695dc14..4695dc14 100644 --- a/contrib/query-loc-0.3.0/ALGO +++ b/contrib/query-loc-0.4.0/ALGO diff --git a/contrib/query-loc-0.3.0/INSTALL b/contrib/query-loc-0.4.0/INSTALL index 5f31e7bd..3b398fb4 100644 --- a/contrib/query-loc-0.3.0/INSTALL +++ b/contrib/query-loc-0.4.0/INSTALL @@ -6,4 +6,4 @@ which I provide, if not found. Tested on Linux (i386 and Alpha), Solaris (Sparc) and Digital Unix (Alpha). -$Id: INSTALL,v 1.1 2005/04/01 05:34:59 marka Exp $ +$Id: INSTALL,v 1.1.2.1 2008/02/15 02:11:57 marka Exp $ diff --git a/contrib/query-loc-0.3.0/Makefile.in b/contrib/query-loc-0.4.0/Makefile.in index 82075c30..e7fc6cff 100644 --- a/contrib/query-loc-0.3.0/Makefile.in +++ b/contrib/query-loc-0.4.0/Makefile.in @@ -1,11 +1,11 @@ -# $Id: Makefile.in,v 1.1 2005/04/01 05:34:59 marka Exp $ +# $Id: Makefile.in,v 1.1.2.1 2008/02/15 02:11:57 marka Exp $ CC=@CC@ CFLAGS=@CFLAGS@ LIBS=@LIBS@ DESTDIR=@prefix@ BINDIR=@prefix@/bin MANDIR=@prefix@/share/man/man1 -DISTRIB= README INSTALL ALGO USAGE ADDRESSES Makefile.in configure configure.in config.h.in install-sh loc.h loc.c query-loc.c loc_ntoa.c query-loc.1 +DISTRIB= README INSTALL ALGO USAGE ADDRESSES Makefile.in configure configure.in config.h.in install-sh loc.h loc.c query-loc.c loc_ntoa.c query-loc.1 reconf OBJS=query-loc.o loc.o @LOC_NTOA@ VERSION=`grep VERSION loc.h | cut -d ' ' -f 3 | sed s/\"//g` @@ -23,6 +23,8 @@ clean: distclean: clean rm -f config.h config.cache config.log config.status Makefile +dist: distrib + distrib: clean ./reconf @(echo Query-Loc is version ${VERSION}; \ diff --git a/contrib/query-loc-0.3.0/README b/contrib/query-loc-0.4.0/README index fc49c739..360091c7 100644 --- a/contrib/query-loc-0.3.0/README +++ b/contrib/query-loc-0.4.0/README @@ -9,12 +9,13 @@ It is under the General Public Licence (GPL, which you can fetch from <http://www.gnu.org/copyleft/gpl.html>. - Copyright Stéphane Bortzmeyer <bortzmeyer@debian.org>, 1998. + Copyright Stéphane Bortzmeyer <bortzmeyer@sources.org>, 1998-2007. Thanks to Paul Vixie for the RFC and its encouragements. Thanks to Björn Augustsson for the xtraceroute program - <http://www.dtek.chalmers.se/~d3august/xt/>. + <http://www.dtek.chalmers.se/~d3august/xt/>. Thanks to Roland + Dirlewanger for extensive patching. -$Id: README,v 1.1 2005/04/01 05:34:59 marka Exp $ +$Id: README,v 1.1.2.1 2008/02/15 02:11:57 marka Exp $ diff --git a/contrib/query-loc-0.3.0/USAGE b/contrib/query-loc-0.4.0/USAGE index 233d6ca1..d3ee4c06 100644 --- a/contrib/query-loc-0.3.0/USAGE +++ b/contrib/query-loc-0.4.0/USAGE @@ -3,6 +3,5 @@ query-loc [-v] [-d nnn] host-name-or-address Examples of hosts with LOCation info (quite uncommon, if you know more, please tell me): -- Everything in the 193.105.79.0 network, such as www.humanite.presse.fr -- Everything in the 192.88.144 network, such as www.kei.com +See the ADDRESSES file diff --git a/contrib/query-loc-0.3.0/config.h.in b/contrib/query-loc-0.4.0/config.h.in index d90187ce..e41250c9 100644 --- a/contrib/query-loc-0.3.0/config.h.in +++ b/contrib/query-loc-0.4.0/config.h.in @@ -1,5 +1,5 @@ /* config.h.in. Generated from configure.in by autoheader. */ -/* $Id: config.h.in,v 1.1 2005/04/01 05:35:00 marka Exp $ */ +/* $Id: config.h.in,v 1.1.2.1 2008/02/15 02:11:57 marka Exp $ */ /* Define to 1 if you have the <inttypes.h> header file. */ diff --git a/contrib/query-loc-0.3.0/configure b/contrib/query-loc-0.4.0/configure index d77cf76c..d77cf76c 100755 --- a/contrib/query-loc-0.3.0/configure +++ b/contrib/query-loc-0.4.0/configure diff --git a/contrib/query-loc-0.3.0/configure.in b/contrib/query-loc-0.4.0/configure.in index f25a6a25..10966c50 100644 --- a/contrib/query-loc-0.3.0/configure.in +++ b/contrib/query-loc-0.4.0/configure.in @@ -1,5 +1,5 @@ dnl Process this file with autoconf to produce a configure script. -AC_RELEASE("$Id: configure.in,v 1.1 2005/04/01 05:35:00 marka Exp $") +AC_RELEASE("$Id: configure.in,v 1.1.2.1 2008/02/15 02:11:57 marka Exp $") AC_INIT(query-loc.c) dnl Checks for programs. diff --git a/contrib/query-loc-0.4.0/install-sh b/contrib/query-loc-0.4.0/install-sh new file mode 100755 index 00000000..1a835340 --- /dev/null +++ b/contrib/query-loc-0.4.0/install-sh @@ -0,0 +1,323 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2005-02-02.21 + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# `make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. It can only install one file at a time, a restriction +# shared with many OS's install programs. + +# set DOITPROG to echo to test this script + +# Don't use :- since 4.3BSD and earlier shells don't like it. +doit="${DOITPROG-}" + +# put in absolute paths if you don't have them in your path; or use env. vars. + +mvprog="${MVPROG-mv}" +cpprog="${CPPROG-cp}" +chmodprog="${CHMODPROG-chmod}" +chownprog="${CHOWNPROG-chown}" +chgrpprog="${CHGRPPROG-chgrp}" +stripprog="${STRIPPROG-strip}" +rmprog="${RMPROG-rm}" +mkdirprog="${MKDIRPROG-mkdir}" + +chmodcmd="$chmodprog 0755" +chowncmd= +chgrpcmd= +stripcmd= +rmcmd="$rmprog -f" +mvcmd="$mvprog" +src= +dst= +dir_arg= +dstarg= +no_target_directory= + +usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: +-c (ignored) +-d create directories instead of installing files. +-g GROUP $chgrpprog installed files to GROUP. +-m MODE $chmodprog installed files to MODE. +-o USER $chownprog installed files to USER. +-s $stripprog installed files. +-t DIRECTORY install into DIRECTORY. +-T report an error if DSTFILE is a directory. +--help display this help and exit. +--version display version info and exit. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG +" + +while test -n "$1"; do + case $1 in + -c) shift + continue;; + + -d) dir_arg=true + shift + continue;; + + -g) chgrpcmd="$chgrpprog $2" + shift + shift + continue;; + + --help) echo "$usage"; exit $?;; + + -m) chmodcmd="$chmodprog $2" + shift + shift + continue;; + + -o) chowncmd="$chownprog $2" + shift + shift + continue;; + + -s) stripcmd=$stripprog + shift + continue;; + + -t) dstarg=$2 + shift + shift + continue;; + + -T) no_target_directory=true + shift + continue;; + + --version) echo "$0 $scriptversion"; exit $?;; + + *) # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + test -n "$dir_arg$dstarg" && break + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dstarg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dstarg" + shift # fnord + fi + shift # arg + dstarg=$arg + done + break;; + esac +done + +if test -z "$1"; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call `install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +for src +do + # Protect names starting with `-'. + case $src in + -*) src=./$src ;; + esac + + if test -n "$dir_arg"; then + dst=$src + src= + + if test -d "$dst"; then + mkdircmd=: + chmodcmd= + else + mkdircmd=$mkdirprog + fi + else + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dstarg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + + dst=$dstarg + # Protect names starting with `-'. + case $dst in + -*) dst=./$dst ;; + esac + + # If destination is a directory, append the input filename; won't work + # if double slashes aren't ignored. + if test -d "$dst"; then + if test -n "$no_target_directory"; then + echo "$0: $dstarg: Is a directory" >&2 + exit 1 + fi + dst=$dst/`basename "$src"` + fi + fi + + # This sed command emulates the dirname command. + dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'` + + # Make sure that the destination directory exists. + + # Skip lots of stat calls in the usual case. + if test ! -d "$dstdir"; then + defaultIFS=' + ' + IFS="${IFS-$defaultIFS}" + + oIFS=$IFS + # Some sh's can't handle IFS=/ for some reason. + IFS='%' + set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` + shift + IFS=$oIFS + + pathcomp= + + while test $# -ne 0 ; do + pathcomp=$pathcomp$1 + shift + if test ! -d "$pathcomp"; then + $mkdirprog "$pathcomp" + # mkdir can fail with a `File exist' error in case several + # install-sh are creating the directory concurrently. This + # is OK. + test -d "$pathcomp" || exit + fi + pathcomp=$pathcomp/ + done + fi + + if test -n "$dir_arg"; then + $doit $mkdircmd "$dst" \ + && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \ + && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \ + && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \ + && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; } + + else + dstfile=`basename "$dst"` + + # Make a couple of temp file names in the proper directory. + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + trap '(exit $?); exit' 1 2 13 15 + + # Copy the file name to the temp name. + $doit $cpprog "$src" "$dsttmp" && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \ + && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \ + && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \ + && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } && + + # Now rename the file to the real destination. + { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \ + || { + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + if test -f "$dstdir/$dstfile"; then + $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \ + || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \ + || { + echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 + (exit 1); exit 1 + } + else + : + fi + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" + } + } + fi || { (exit 1); exit 1; } +done + +# The final little trick to "correctly" pass the exit status to the exit trap. +{ + (exit 0); exit 0 +} + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-end: "$" +# End: diff --git a/contrib/query-loc-0.3.0/loc.c b/contrib/query-loc-0.4.0/loc.c index 502ed11b..7d62089c 100644 --- a/contrib/query-loc-0.3.0/loc.c +++ b/contrib/query-loc-0.4.0/loc.c @@ -1,6 +1,6 @@ #include "loc.h" -/* $Id: loc.c,v 1.1 2005/04/01 05:35:00 marka Exp $ */ +/* $Id: loc.c,v 1.1.2.1 2008/02/15 02:11:57 marka Exp $ */ /* Global variables */ @@ -175,20 +175,24 @@ getlocbyaddr (addr, mask) if (IN_CLASSA (a)) { netaddr.s_addr = htonl (a & IN_CLASSA_NET); + themask.s_addr = htonl(IN_CLASSA_NET); } else if (IN_CLASSB (a)) { netaddr.s_addr = htonl (a & IN_CLASSB_NET); + themask.s_addr = htonl(IN_CLASSB_NET); } else if (IN_CLASSC (a)) { netaddr.s_addr = htonl (a & IN_CLASSC_NET); + themask.s_addr = htonl(IN_CLASSC_NET); } else { /* Error */ + return NULL; } - return getlocbynet (in_addr_arpa (inet_ntoa (netaddr)), addr, mask); + return getlocbynet (in_addr_arpa (inet_ntoa (netaddr)), addr, &themask); } else { @@ -209,10 +213,49 @@ getlocbynet (name, addr, mask) struct in_addr *mask; { char *network; - char *result, *result_int; + char *result; struct list_in_addr *list; + struct in_addr newmask; + u_int32_t a; + char newname[4 * 4 + sizeof (ARPA_ROOT) + 2]; + if (debug >= 2) - printf ("Testing network %s\n", name); + printf ("Testing network %s with mask %s\n", name, inet_ntoa(*mask)); + + /* Check if this network has an A RR */ + list = findA (name); + if (list != NULL) + { + /* Yes, it does. This A record will be used as the + * new mask for recursion if it is longer than + * the actual mask. */ + if (mask != NULL && mask->s_addr < list->addr.s_addr) + { + /* compute the new arguments for recursion + * - compute the new network by applying the new mask + * to the address and get the in_addr_arpa representation + * of it. + * - the address remains unchanged + * - the new mask is the one given in the A record + */ + a = ntohl(addr.s_addr); /* start from host address */ + a &= ntohl(list->addr.s_addr); /* apply new mask */ + newname[sizeof newname - 1] = 0; + strncpy( + newname, + in_addr_arpa(inet_ntoa(inet_makeaddr(a, 0))), + sizeof newname); + newmask = inet_makeaddr(ntohl(list->addr.s_addr), 0); + result = getlocbynet (newname, addr, &newmask); + if (result != NULL) + { + return result; + } + } + /* couldn't find a LOC. Fall through and try with name */ + } + + /* Check if this network has a name */ network = findRR (name, T_PTR); if (network == NULL) { @@ -222,26 +265,7 @@ getlocbynet (name, addr, mask) } else { - result = getlocbyname (network, TRUE); - list = findA (network); - if (list == NULL) - { - return result; - } - else if ((mask != NULL) && - ((mask->s_addr) == (list->addr.s_addr))) - { - /* Already checked */ - return result; - } - else - { - result_int = getlocbyaddr (addr, &list->addr); - if (result_int == NULL) - return result; - else - return result_int; - } + return getlocbyname (network, TRUE); } } @@ -414,7 +438,7 @@ int responseLen; /* buffer length */ if (dn_expand (response.buf, /* Start of the packet */ endOfMsg, /* End of the packet */ cp, /* Position in the packet */ - (u_char *) ptrList[ptrNum], /* Result */ + (char *) ptrList[ptrNum], /* Result */ MAXDNAME) /* size of ptrList buffer */ < 0) { /* Negative: error */ diff --git a/contrib/query-loc-0.3.0/loc.h b/contrib/query-loc-0.4.0/loc.h index f794acbe..73901653 100644 --- a/contrib/query-loc-0.3.0/loc.h +++ b/contrib/query-loc-0.4.0/loc.h @@ -1,6 +1,6 @@ -/* $Id: loc.h,v 1.1 2005/04/01 05:35:00 marka Exp $ */ +/* $Id: loc.h,v 1.1.2.1 2008/02/15 02:11:57 marka Exp $ */ -#define VERSION "0.3.0" +#define VERSION "0.4.0" #include "config.h" diff --git a/contrib/query-loc-0.3.0/loc_ntoa.c b/contrib/query-loc-0.4.0/loc_ntoa.c index 21eada3e..21eada3e 100644 --- a/contrib/query-loc-0.3.0/loc_ntoa.c +++ b/contrib/query-loc-0.4.0/loc_ntoa.c diff --git a/contrib/query-loc-0.3.0/query-loc.1 b/contrib/query-loc-0.4.0/query-loc.1 index 97eb4362..87b1c0e9 100644 --- a/contrib/query-loc-0.3.0/query-loc.1 +++ b/contrib/query-loc-0.4.0/query-loc.1 @@ -2,7 +2,7 @@ .\" First parameter, NAME, should be all caps .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection .\" other parameters are allowed: see man(7), man(1) -.TH QUERY-LOC SECTION "January 11, 2005" +.TH QUERY-LOC 1 "January 11, 2005" .\" Please adjust this date whenever revising the manpage. .\" .\" Some roff macros, for reference: @@ -52,4 +52,4 @@ Very few hosts have location information. This manual page was written by Stephane Bortzmeyer <bortzmeyer@debian.org>. -.\" $Id: query-loc.1,v 1.1 2005/04/01 05:35:01 marka Exp $ +.\" $Id: query-loc.1,v 1.1.2.1 2008/02/15 02:11:57 marka Exp $ diff --git a/contrib/query-loc-0.3.0/query-loc.c b/contrib/query-loc-0.4.0/query-loc.c index 6af57d42..4af15b5f 100644 --- a/contrib/query-loc-0.3.0/query-loc.c +++ b/contrib/query-loc-0.4.0/query-loc.c @@ -1,6 +1,6 @@ #include "loc.h" -/* $Id: query-loc.c,v 1.1 2005/04/01 05:35:01 marka Exp $ */ +/* $Id: query-loc.c,v 1.1.2.1 2008/02/15 02:11:57 marka Exp $ */ /* Global variables */ char *progname; diff --git a/contrib/query-loc-0.4.0/reconf b/contrib/query-loc-0.4.0/reconf new file mode 100755 index 00000000..0a3c822f --- /dev/null +++ b/contrib/query-loc-0.4.0/reconf @@ -0,0 +1,8 @@ +#!/bin/sh + +# $Id: reconf,v 1.1.2.1 2008/02/15 02:16:03 marka Exp $ + +autoreconf +# We do not use automake but we need its install-sh file. We do not +# care about the exit code. +automake --add-missing || true diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml index cb7674b7..d332c569 100644 --- a/doc/arm/Bv9ARM-book.xml +++ b/doc/arm/Bv9ARM-book.xml @@ -18,7 +18,7 @@ - PERFORMANCE OF THIS SOFTWARE. --> -<!-- File: $Id: Bv9ARM-book.xml,v 1.340.24.3 2008/01/18 02:18:45 jinmei Exp $ --> +<!-- File: $Id: Bv9ARM-book.xml,v 1.340.24.9 2008/05/05 22:38:15 each Exp $ --> <book xmlns:xi="http://www.w3.org/2001/XInclude"> <title>BIND 9 Administrator Reference Manual</title> @@ -67,7 +67,7 @@ </para> <para> - This version of the manual corresponds to BIND version 9.4. + This version of the manual corresponds to BIND version 9.5. </para> </sect1> @@ -6858,11 +6858,14 @@ query-source-v6 address * port *; <term><command>cleaning-interval</command></term> <listitem> <para> - The server will remove expired resource records + This interval is effectively obsolete. Previously, + the server would remove expired resource records from the cache every <command>cleaning-interval</command> minutes. - The default is 60 minutes. The maximum value is 28 days - (40320 minutes). - If set to 0, no periodic cleaning will occur. + <acronym>BIND</acronym> 9 now manages cache + memory in a more sophisticated manner and does not + rely on the periodic cleaning any more. + Specifying this option therefore has no effect on + the server's behavior. </para> </listitem> </varlistentry> @@ -7144,8 +7147,13 @@ query-source-v6 address * port *; </entry> <entry colname="2"> <para> - Records are returned in a round-robin - order. + Records are returned in a cyclic round-robin order. + </para> + <para> + If <acronym>BIND</acronym> is configured with the + "--enable-fixed-rrset" option at compile time, then + the initial ordering of the RRset will match the + one specified in the zone file. </para> </entry> </row> @@ -7176,9 +7184,11 @@ query-source-v6 address * port *; <note> <simpara> - The <command>rrset-order</command> statement - is not yet fully implemented in <acronym>BIND</acronym> 9. - BIND 9 currently does not fully support "fixed" ordering. + In this release of <acronym>BIND</acronym> 9, the + <command>rrset-order</command> statement does not support + "fixed" ordering by default. Fixed ordering can be enabled + at compile time by specifying "--enable-fixed-rrset" on + the "configure" command line. </simpara> </note> </sect3> @@ -7467,9 +7477,10 @@ query-source-v6 address * port *; <term><command>server-id</command></term> <listitem> <para> - The ID of the server should report via a query of - the name <filename>ID.SERVER</filename> - with type <command>TXT</command>, class <command>CHAOS</command>. + The ID the server should report when receiving a Name + Server Identifier (NSID) query, or a query of the name + <filename>ID.SERVER</filename> with type + <command>TXT</command>, class <command>CHAOS</command>. The primary purpose of such queries is to identify which of a group of anycast servers is actually answering your queries. Specifying <command>server-id none;</command> @@ -7605,162 +7616,6 @@ query-source-v6 address * port *; </varlistentry> </variablelist> </sect3> - - <sect3 id="statsfile"> - <title>The Statistics File</title> - - <para> - The statistics file generated by <acronym>BIND</acronym> 9 - is similar, but not identical, to that - generated by <acronym>BIND</acronym> 8. - </para> - <para> - The statistics dump begins with a line, like: - </para> - <para> - <command>+++ Statistics Dump +++ (973798949)</command> - </para> - <para> - The number in parentheses is a standard - Unix-style timestamp, measured as seconds since January 1, 1970. - Following - that line are a series of lines containing a counter type, the - value of the - counter, optionally a zone name, and optionally a view name. - The lines without view and zone listed are global statistics for - the entire server. - Lines with a zone and view name for the given view and zone (the - view name is - omitted for the default view). - </para> - <para> - The statistics dump ends with the line where the - number is identical to the number in the beginning line; for example: - </para> - <para> - <command>--- Statistics Dump --- (973798949)</command> - </para> - <para> - The following statistics counters are maintained: - </para> - <informaltable colsep="0" rowsep="0"> - <tgroup cols="2" colsep="0" rowsep="0" tgroupstyle="4Level-table"> - <colspec colname="1" colnum="1" colsep="0" colwidth="1.150in"/> - <colspec colname="2" colnum="2" colsep="0" colwidth="3.350in"/> - <tbody> - <row rowsep="0"> - <entry colname="1"> - <para><command>success</command></para> - </entry> - <entry colname="2"> - <para> - The number of - successful queries made to the server or zone. A - successful query - is defined as query which returns a NOERROR response - with at least - one answer RR. - </para> - </entry> - </row> - <row rowsep="0"> - <entry colname="1"> - <para><command>referral</command></para> - </entry> - <entry colname="2"> - <para> - The number of queries which resulted - in referral responses. - </para> - </entry> - </row> - <row rowsep="0"> - <entry colname="1"> - <para><command>nxrrset</command></para> - </entry> - <entry colname="2"> - <para> - The number of queries which resulted in - NOERROR responses with no data. - </para> - </entry> - </row> - <row rowsep="0"> - <entry colname="1"> - <para><command>nxdomain</command></para> - </entry> - <entry colname="2"> - <para> - The number - of queries which resulted in NXDOMAIN responses. - </para> - </entry> - </row> - <row rowsep="0"> - <entry colname="1"> - <para><command>failure</command></para> - </entry> - <entry colname="2"> - <para> - The number of queries which resulted in a - failure response other than those above. - </para> - </entry> - </row> - <row rowsep="0"> - <entry colname="1"> - <para><command>recursion</command></para> - </entry> - <entry colname="2"> - <para> - The number of queries which caused the server - to perform recursion in order to find the final answer. - </para> - </entry> - </row> - <row rowsep="0"> - <entry colname="1"> - <para><command>duplicate</command></para> - </entry> - <entry colname="2"> - <para> - The number of queries which the server attempted to - recurse but discover a existing query with the same - IP address, port, query id, name, type and class - already being processed. - </para> - </entry> - </row> - <row rowsep="0"> - <entry colname="1"> - <para><command>dropped</command></para> - </entry> - <entry colname="2"> - <para> - The number of queries for which the server - discovered a excessive number of existing - recursive queries for the same name, type and - class and were subsequently dropped. - </para> - </entry> - </row> - </tbody> - </tgroup> - </informaltable> - - <para> - Each query received by the server will cause exactly one of - <command>success</command>, - <command>referral</command>, - <command>nxrrset</command>, - <command>nxdomain</command>, or - <command>failure</command> - to be incremented, and may additionally cause the - <command>recursion</command> counter to be - incremented. - </para> - - </sect3> <sect3 id="acache"> <title>Additional Section Caching</title> @@ -7879,7 +7734,7 @@ query-source-v6 address * port *; </sect2> - <sect2> + <sect2 id="statschannels"> <title><command>statistics-channels</command> Statement Grammar</title> <programlisting><command>statistics-channels</command> { @@ -10758,7 +10613,7 @@ $GENERATE 1-127 $ CNAME $.0</programlisting> is equivalent to </para> -<programlisting>0.0.0.192.IN-ADDR.ARPA NS SERVER1.EXAMPLE. +<programlisting>0.0.0.192.IN-ADDR.ARPA. NS SERVER1.EXAMPLE. 0.0.0.192.IN-ADDR.ARPA. NS SERVER2.EXAMPLE. 1.0.0.192.IN-ADDR.ARPA. CNAME 1.0.0.0.192.IN-ADDR.ARPA. 2.0.0.192.IN-ADDR.ARPA. CNAME 2.0.0.0.192.IN-ADDR.ARPA. @@ -10937,6 +10792,1275 @@ $GENERATE 1-127 $ CNAME $.0</programlisting> </para> </sect2> </sect1> + + <sect1> + <title>BIND9 Statistics</title> + <para> + <acronym>BIND</acronym> 9 maintains lots of statistics + information and provides several interfaces for users to + get access to the statistics. + The available statistics include all statistics counters + that were available in <acronym>BIND</acronym> 8 and + are meaningful in <acronym>BIND</acronym> 9, + and other information that is considered useful. + </para> + + <para> + The statistics information is categorized into the following + sections. + </para> + + <informaltable frame="all"> + <tgroup cols="2"> + <colspec colname="1" colnum="1" colsep="0" colwidth="3.300in"/> + <colspec colname="2" colnum="2" colsep="0" colwidth="2.625in"/> + <tbody> + + <row rowsep="0"> + <entry colname="1"> + <para>Incoming Requests</para> + </entry> + <entry colname="2"> + <para> + The number of incoming DNS requests for each OPCODE. + </para> + </entry> + </row> + + <row rowsep="0"> + <entry colname="1"> + <para>Incoming Queries</para> + </entry> + <entry colname="2"> + <para> + The number of incoming queries for each RR type. + </para> + </entry> + </row> + + <row rowsep="0"> + <entry colname="1"> + <para>Outgoing Queries</para> + </entry> + <entry colname="2"> + <para> + The number of outgoing queries for each RR + type sent from the internal resolver. + Maintained per view. + </para> + </entry> + </row> + + <row rowsep="0"> + <entry colname="1"> + <para>Name Server Statistics</para> + </entry> + <entry colname="2"> + <para> + Statistics counters about incoming request processing. + </para> + </entry> + </row> + + <row rowsep="0"> + <entry colname="1"> + <para>Zone Maintenance Statistics</para> + </entry> + <entry colname="2"> + <para> + Statistics counters regarding zone maintenance + operations such as zone transfers. + </para> + </entry> + </row> + + <row rowsep="0"> + <entry colname="1"> + <para>Resolver Statistics</para> + </entry> + <entry colname="2"> + <para> + Statistics counters about name resolution + performed in the internal resolver. + Maintained per view. + </para> + </entry> + </row> + + <row rowsep="0"> + <entry colname="1"> + <para>Cache DB RRsets</para> + </entry> + <entry colname="2"> + <para> + The number of RRsets per RR type (positive + or negative) and nonexistent names stored in the + cache database. + Maintained per view. + </para> + </entry> + </row> + + </tbody> + </tgroup> + </informaltable> + + <para> + A subset of Name Server Statistics is collected and shown + per zone for which the server has the authority when + <command>zone-statistics</command> is set to + <userinput>yes</userinput>. + These statistics counters are shown with their zone and view + names. + In some cases the view names are omitted for the default view. + </para> + + <para> + There are currently two user interfaces to get access to the + statistics. + One is in the plain text format dumped to the file specified + by the <command>statistics-file</command> configuration option. + The other is remotely accessible via a statistics channel + when the <command>statistics-channels</command> statement + is specified in the configuration file + (see <xref linkend="statschannels"/>.) + </para> + + <sect3 id="statsfile"> + <title>The Statistics File</title> + <para> + The text format statistics dump begins with a line, like: + </para> + <para> + <command>+++ Statistics Dump +++ (973798949)</command> + </para> + <para> + The number in parentheses is a standard + Unix-style timestamp, measured as seconds since January 1, 1970. + + Following + that line is a set of statistics information, which is categorized + as described above. + Each section begins with a line, like: + </para> + + <para> + <command>++ Name Server Statistics ++</command> + </para> + + <para> + Each section consists of lines, each containing the statistics + counter value followed by its textual description. + See below for available counters. + For brevity, counters that have a value of 0 are not shown + in the statistics file. + </para> + + <para> + The statistics dump ends with the line where the + number is identical to the number in the beginning line; for example: + </para> + <para> + <command>--- Statistics Dump --- (973798949)</command> + </para> + </sect3> + + <sect2> + <title>Statistics Counters</title> + <para> + The following tables summarize statistics counters that + <acronym>BIND</acronym> 9 provides. + For each row of the tables, the leftmost column is the + abbreviated symbol name of that counter. + These symbols are shown in the statistics information + accessed via an HTTP statistics channel. + The rightmost column gives the description of the counter, + which is also shown in the statistics file + (but, in this document, possibly with slight modification + for better readability). + Additional notes may also be provided in this column. + When a middle column exists between these two columns, + it gives the corresponding counter name of the + <acronym>BIND</acronym> 8 statistics, if applicable. + </para> + + <sect3> + <title>Name Server Statistics Counters</title> + + <informaltable colsep="0" rowsep="0"> + <tgroup cols="3" colsep="0" rowsep="0" tgroupstyle="4Level-table"> + <colspec colname="1" colnum="1" colsep="0" colwidth="1.150in"/> + <colspec colname="2" colnum="2" colsep="0" colwidth="1.150in"/> + <colspec colname="3" colnum="3" colsep="0" colwidth="3.350in"/> + <tbody> + <row> + <entry colname="1"> + <para> + <emphasis>Symbol</emphasis> + </para> + </entry> + <entry colname="2"> + <para> + <emphasis>BIND8 Symbol</emphasis> + </para> + </entry> + <entry colname="3"> + <para> + <emphasis>Description</emphasis> + </para> + </entry> + </row> + + <row rowsep="0"> + <entry colname="1"> + <para><command>Requestv4</command></para> + </entry> + <entry colname="2"> + <para><command>RQ</command></para> + </entry> + <entry colname="3"> + <para> + IPv4 requests received. + Note: this also counts non query requests. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>Requestv6</command></para> + </entry> + <entry colname="2"> + <para><command>RQ</command></para> + </entry> + <entry colname="3"> + <para> + IPv6 requests received. + Note: this also counts non query requests. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>ReqEdns0</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Requests with EDNS(0) received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>ReqBadEDNSVer</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Requests with unsupported EDNS version received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>ReqTSIG</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Requests with TSIG received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>ReqSIG0</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Requests with SIG(0) received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>ReqBadSIG</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Requests with invalid (TSIG or SIG(0)) signature. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>ReqTCP</command></para> + </entry> + <entry colname="2"> + <para><command>RTCP</command></para> + </entry> + <entry colname="3"> + <para> + TCP requests received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>AuthQryRej</command></para> + </entry> + <entry colname="2"> + <para><command>RUQ</command></para> + </entry> + <entry colname="3"> + <para> + Authoritative (non recursive) queries rejected. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>RecQryRej</command></para> + </entry> + <entry colname="2"> + <para><command>RURQ</command></para> + </entry> + <entry colname="3"> + <para> + Recursive queries rejected. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>XfrRej</command></para> + </entry> + <entry colname="2"> + <para><command>RUXFR</command></para> + </entry> + <entry colname="3"> + <para> + Zone transfer requests rejected. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>UpdateRej</command></para> + </entry> + <entry colname="2"> + <para><command>RUUpd</command></para> + </entry> + <entry colname="3"> + <para> + Dynamic update requests rejected. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>Response</command></para> + </entry> + <entry colname="2"> + <para><command>SAns</command></para> + </entry> + <entry colname="3"> + <para> + Responses sent. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>RespTruncated</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Truncated responses sent. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>RespEDNS0</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Responses with EDNS(0) sent. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>RespTSIG</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Responses with TSIG sent. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>RespSIG0</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Responses with SIG(0) sent. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>QrySuccess</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Queries resulted in a successful answer. + This means the query which returns a NOERROR response + with at least one answer RR. + This corresponds to the + <command>success</command> counter + of previous versions of + <acronym>BIND</acronym> 9. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>QryAuthAns</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Queries resulted in authoritative answer. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>QryNoauthAns</command></para> + </entry> + <entry colname="2"> + <para><command>SNaAns</command></para> + </entry> + <entry colname="3"> + <para> + Queries resulted in non authoritative answer. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>QryReferral</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Queries resulted in referral answer. + This corresponds to the + <command>referral</command> counter + of previous versions of + <acronym>BIND</acronym> 9. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>QryNxrrset</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Queries resulted in NOERROR responses with no data. + This corresponds to the + <command>nxrrset</command> counter + of previous versions of + <acronym>BIND</acronym> 9. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>QrySERVFAIL</command></para> + </entry> + <entry colname="2"> + <para><command>SFail</command></para> + </entry> + <entry colname="3"> + <para> + Queries resulted in SERVFAIL. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>QryFORMERR</command></para> + </entry> + <entry colname="2"> + <para><command>SFErr</command></para> + </entry> + <entry colname="3"> + <para> + Queries resulted in FORMERR. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>QryNXDOMAIN</command></para> + </entry> + <entry colname="2"> + <para><command>SNXD</command></para> + </entry> + <entry colname="3"> + <para> + Queries resulted in NXDOMAIN. + This corresponds to the + <command>nxdomain</command> counter + of previous versions of + <acronym>BIND</acronym> 9. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>QryRecursion</command></para> + </entry> + <entry colname="2"> + <para><command>RFwdQ</command></para> + </entry> + <entry colname="3"> + <para> + Queries which caused the server + to perform recursion in order to find the final answer. + This corresponds to the + <command>recursion</command> counter + of previous versions of + <acronym>BIND</acronym> 9. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>QryDuplicate</command></para> + </entry> + <entry colname="2"> + <para><command>RDupQ</command></para> + </entry> + <entry colname="3"> + <para> + Queries which the server attempted to + recurse but discovered an existing query with the same + IP address, port, query ID, name, type and class + already being processed. + This corresponds to the + <command>duplicate</command> counter + of previous versions of + <acronym>BIND</acronym> 9. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>QryDropped</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Queries for which the server + discovered an excessive number of existing + recursive queries for the same name, type and + class and were subsequently dropped. + This corresponds to the + <command>dropped</command> counter + of previous versions of + <acronym>BIND</acronym> 9. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>QryFailure</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Other query failures. + This corresponds to the + <command>failure</command> counter + of previous versions of + <acronym>BIND</acronym> 9. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>XfrReqDone</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Requested zone transfers completed. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>UpdateReqFwd</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Update requests forwarded. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>UpdateRespFwd</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Update responses forwarded. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>UpdateFwdFail</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Dynamic update forward failed. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>UpdateDone</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Dynamic updates completed. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>UpdateFail</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Dynamic updates failed. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>UpdateBadPrereq</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Dynamic updates rejected due to prerequisite failure. + </para> + </entry> + </row> + </tbody> + </tgroup> + </informaltable> + </sect3> + + <sect3> + <title>Zone Maintenance Statistics Counters</title> + + <informaltable colsep="0" rowsep="0"> + <tgroup cols="2" colsep="0" rowsep="0" tgroupstyle="4Level-table"> + <colspec colname="1" colnum="1" colsep="0" colwidth="1.150in"/> + <colspec colname="2" colnum="2" colsep="0" colwidth="3.350in"/> + <tbody> + <row> + <entry colname="1"> + <para> + <emphasis>Symbol</emphasis> + </para> + </entry> + <entry colname="2"> + <para> + <emphasis>Description</emphasis> + </para> + </entry> + </row> + + <row rowsep="0"> + <entry colname="1"> + <para><command>NotifyOutv4</command></para> + </entry> + <entry colname="2"> + <para> + IPv4 notifies sent. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>NotifyOutv6</command></para> + </entry> + <entry colname="2"> + <para> + IPv6 notifies sent. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>NotifyInv4</command></para> + </entry> + <entry colname="2"> + <para> + IPv4 notifies received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>NotifyInv6</command></para> + </entry> + <entry colname="2"> + <para> + IPv6 notifies received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>NotifyRej</command></para> + </entry> + <entry colname="2"> + <para> + Incoming notifies rejected. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>SOAOutv4</command></para> + </entry> + <entry colname="2"> + <para> + IPv4 SOA queries sent. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>SOAOutv6</command></para> + </entry> + <entry colname="2"> + <para> + IPv6 SOA queries sent. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>AXFRReqv4</command></para> + </entry> + <entry colname="2"> + <para> + IPv4 AXFR requested. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>AXFRReqv6</command></para> + </entry> + <entry colname="2"> + <para> + IPv6 AXFR requested. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>IXFRReqv4</command></para> + </entry> + <entry colname="2"> + <para> + IPv4 IXFR requested. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>IXFRReqv6</command></para> + </entry> + <entry colname="2"> + <para> + IPv6 IXFR requested. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>XfrSuccess</command></para> + </entry> + <entry colname="2"> + <para> + Zone transfer requests succeeded. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>XfrFail</command></para> + </entry> + <entry colname="2"> + <para> + Zone transfer requests failed. + </para> + </entry> + </row> + </tbody> + </tgroup> + </informaltable> + </sect3> + + <sect3> + <title>Resolver Statistics Counters</title> + + <informaltable colsep="0" rowsep="0"> + <tgroup cols="3" colsep="0" rowsep="0" tgroupstyle="4Level-table"> + <colspec colname="1" colnum="1" colsep="0" colwidth="1.150in"/> + <colspec colname="2" colnum="2" colsep="0" colwidth="1.150in"/> + <colspec colname="3" colnum="3" colsep="0" colwidth="3.350in"/> + <tbody> + <row> + <entry colname="1"> + <para> + <emphasis>Symbol</emphasis> + </para> + </entry> + <entry colname="2"> + <para> + <emphasis>BIND8 Symbol</emphasis> + </para> + </entry> + <entry colname="3"> + <para> + <emphasis>Description</emphasis> + </para> + </entry> + </row> + + + <row rowsep="0"> + <entry colname="1"> + <para><command>Queryv4</command></para> + </entry> + <entry colname="2"> + <para><command>SFwdQ</command></para> + </entry> + <entry colname="3"> + <para> + IPv4 queries sent. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>Queryv6</command></para> + </entry> + <entry colname="2"> + <para><command>SFwdQ</command></para> + </entry> + <entry colname="3"> + <para> + IPv6 queries sent. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>Responsev4</command></para> + </entry> + <entry colname="2"> + <para><command>RR</command></para> + </entry> + <entry colname="3"> + <para> + IPv4 responses received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>Responsev6</command></para> + </entry> + <entry colname="2"> + <para><command>RR</command></para> + </entry> + <entry colname="3"> + <para> + IPv6 responses received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>NXDOMAIN</command></para> + </entry> + <entry colname="2"> + <para><command>RNXD</command></para> + </entry> + <entry colname="3"> + <para> + NXDOMAIN received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>SERVFAIL</command></para> + </entry> + <entry colname="2"> + <para><command>RFail</command></para> + </entry> + <entry colname="3"> + <para> + SERVFAIL received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>FORMERR</command></para> + </entry> + <entry colname="2"> + <para><command>RFErr</command></para> + </entry> + <entry colname="3"> + <para> + FORMERR received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>OtherError</command></para> + </entry> + <entry colname="2"> + <para><command>RErr</command></para> + </entry> + <entry colname="3"> + <para> + Other errors received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>EDNS0Fail</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + EDNS(0) query failures. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>Mismatch</command></para> + </entry> + <entry colname="2"> + <para><command>RDupR</command></para> + </entry> + <entry colname="3"> + <para> + Mismatch responses received. + When shown via an HTTP statistics channel, + this counter is shown in the + Name Server Statistics section for brevity. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>Truncated</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + Truncated responses received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>Lame</command></para> + </entry> + <entry colname="2"> + <para><command>RLame</command></para> + </entry> + <entry colname="3"> + <para> + Lame delegations received. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>Retry</command></para> + </entry> + <entry colname="2"> + <para><command>SDupQ</command></para> + </entry> + <entry colname="3"> + <para> + Query retries performed. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>GlueFetchv4</command></para> + </entry> + <entry colname="2"> + <para><command>SSysQ</command></para> + </entry> + <entry colname="3"> + <para> + IPv4 NS address fetches invoked. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>GlueFetchv6</command></para> + </entry> + <entry colname="2"> + <para><command>SSysQ</command></para> + </entry> + <entry colname="3"> + <para> + IPv6 NS address fetches invoked. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>GlueFetchv4Fail</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + IPv4 NS address fetch failed. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>GlueFetchv6Fail</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + IPv6 NS address fetch failed. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>ValAttempt</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + DNSSEC validation attempted. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>ValOk</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + DNSSEC validation succeeded. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>ValNegOk</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + DNSSEC validation on negative information succeeded. + </para> + </entry> + </row> + <row rowsep="0"> + <entry colname="1"> + <para><command>ValFail</command></para> + </entry> + <entry colname="2"> + <para><command></command></para> + </entry> + <entry colname="3"> + <para> + DNSSEC validation failed. + </para> + </entry> + </row> + + </tbody> + </tgroup> + </informaltable> + + </sect3> + + <sect3> + <title>Compatibility with <emphasis>BIND</emphasis> 8 Counters</title> + <para> + Most statistics counters that were available + in <command>BIND</command> 8 are also supported in + <command>BIND</command> 9 as shown in the above tables. + Here are notes about other counters that do not appear + in these tables. + </para> + + <variablelist> + <varlistentry> + <term><command>RFwdR,SFwdR</command></term> + <listitem> + <para> + These counters are not supported + because <command>BIND</command> 9 does not adopt + the notion of <emphasis>forwarding</emphasis> + as <command>BIND</command> 8 did. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><command>RAXFR</command></term> + <listitem> + <para> + This counter is accessible in the Incoming Queries section. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><command>RIQ</command></term> + <listitem> + <para> + This counter is accessible in the Incoming Requests section. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><command>ROpts</command></term> + <listitem> + <para> + This counter is not supported + because <command>BIND</command> 9 does not care + about IP options in the first place. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><command>SErr</command></term> + <listitem> + <para> + This counter could be implemented, but is not yet + supported. + </para> + </listitem> + </varlistentry> + + </variablelist> + </sect3> + </sect2> + </sect1> + </chapter> <chapter id="Bv9ARM.ch07"> <title><acronym>BIND</acronym> 9 Security Considerations</title> diff --git a/doc/arm/Bv9ARM.ch01.html b/doc/arm/Bv9ARM.ch01.html index a41798b5..cf83c2e8 100644 --- a/doc/arm/Bv9ARM.ch01.html +++ b/doc/arm/Bv9ARM.ch01.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: Bv9ARM.ch01.html,v 1.38.18.1 2008/01/18 01:44:53 marka Exp $ --> +<!-- $Id: Bv9ARM.ch01.html,v 1.38.18.3 2008/04/09 23:37:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -45,17 +45,17 @@ <div class="toc"> <p><b>Table of Contents</b></p> <dl> -<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2564109">Scope of Document</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2564133">Organization of This Document</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2563474">Conventions Used in This Document</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2564816">The Domain Name System (<acronym class="acronym">DNS</acronym>)</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2563405">Scope of Document</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2564385">Organization of This Document</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2564524">Conventions Used in This Document</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2564637">The Domain Name System (<acronym class="acronym">DNS</acronym>)</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2564837">DNS Fundamentals</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2564871">Domains and Domain Names</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567208">Zones</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567285">Authoritative Name Servers</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567526">Caching Name Servers</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567588">Name Servers in Multiple Roles</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2564659">DNS Fundamentals</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2564693">Domains and Domain Names</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2564845">Zones</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567243">Authoritative Name Servers</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567416">Caching Name Servers</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567546">Name Servers in Multiple Roles</a></span></dt> </dl></dd> </dl> </div> @@ -71,7 +71,7 @@ </p> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2564109"></a>Scope of Document</h2></div></div></div> +<a name="id2563405"></a>Scope of Document</h2></div></div></div> <p> The Berkeley Internet Name Domain (<acronym class="acronym">BIND</acronym>) implements a @@ -82,12 +82,12 @@ system administrators. </p> <p> - This version of the manual corresponds to BIND version 9.4. + This version of the manual corresponds to BIND version 9.5. </p> </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2564133"></a>Organization of This Document</h2></div></div></div> +<a name="id2564385"></a>Organization of This Document</h2></div></div></div> <p> In this document, <span class="emphasis"><em>Section 1</em></span> introduces the basic <acronym class="acronym">DNS</acronym> and <acronym class="acronym">BIND</acronym> concepts. <span class="emphasis"><em>Section 2</em></span> @@ -116,7 +116,7 @@ </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2563474"></a>Conventions Used in This Document</h2></div></div></div> +<a name="id2564524"></a>Conventions Used in This Document</h2></div></div></div> <p> In this document, we use the following general typographic conventions: @@ -243,7 +243,7 @@ </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2564816"></a>The Domain Name System (<acronym class="acronym">DNS</acronym>)</h2></div></div></div> +<a name="id2564637"></a>The Domain Name System (<acronym class="acronym">DNS</acronym>)</h2></div></div></div> <p> The purpose of this document is to explain the installation and upkeep of the <acronym class="acronym">BIND</acronym> (Berkeley Internet @@ -253,7 +253,7 @@ </p> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2564837"></a>DNS Fundamentals</h3></div></div></div> +<a name="id2564659"></a>DNS Fundamentals</h3></div></div></div> <p> The Domain Name System (DNS) is a hierarchical, distributed database. It stores information for mapping Internet host names to @@ -273,7 +273,7 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2564871"></a>Domains and Domain Names</h3></div></div></div> +<a name="id2564693"></a>Domains and Domain Names</h3></div></div></div> <p> The data stored in the DNS is identified by <span class="emphasis"><em>domain names</em></span> that are organized as a tree according to organizational or administrative boundaries. Each node of the tree, @@ -319,7 +319,7 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2567208"></a>Zones</h3></div></div></div> +<a name="id2564845"></a>Zones</h3></div></div></div> <p> To properly operate a name server, it is important to understand the difference between a <span class="emphasis"><em>zone</em></span> @@ -372,7 +372,7 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2567285"></a>Authoritative Name Servers</h3></div></div></div> +<a name="id2567243"></a>Authoritative Name Servers</h3></div></div></div> <p> Each zone is served by at least one <span class="emphasis"><em>authoritative name server</em></span>, @@ -389,7 +389,7 @@ </p> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2567308"></a>The Primary Master</h4></div></div></div> +<a name="id2567267"></a>The Primary Master</h4></div></div></div> <p> The authoritative server where the master copy of the zone data is maintained is called the @@ -409,7 +409,7 @@ </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2567338"></a>Slave Servers</h4></div></div></div> +<a name="id2567297"></a>Slave Servers</h4></div></div></div> <p> The other authoritative servers, the <span class="emphasis"><em>slave</em></span> servers (also known as <span class="emphasis"><em>secondary</em></span> servers) @@ -425,7 +425,7 @@ </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2567360"></a>Stealth Servers</h4></div></div></div> +<a name="id2567386"></a>Stealth Servers</h4></div></div></div> <p> Usually all of the zone's authoritative servers are listed in NS records in the parent zone. These NS records constitute @@ -460,7 +460,7 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2567526"></a>Caching Name Servers</h3></div></div></div> +<a name="id2567416"></a>Caching Name Servers</h3></div></div></div> <p> The resolver libraries provided by most operating systems are <span class="emphasis"><em>stub resolvers</em></span>, meaning that they are not @@ -487,7 +487,7 @@ </p> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2567561"></a>Forwarding</h4></div></div></div> +<a name="id2567520"></a>Forwarding</h4></div></div></div> <p> Even a caching name server does not necessarily perform the complete recursive lookup itself. Instead, it can @@ -514,7 +514,7 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2567588"></a>Name Servers in Multiple Roles</h3></div></div></div> +<a name="id2567546"></a>Name Servers in Multiple Roles</h3></div></div></div> <p> The <acronym class="acronym">BIND</acronym> name server can simultaneously act as diff --git a/doc/arm/Bv9ARM.ch02.html b/doc/arm/Bv9ARM.ch02.html index c8a87f31..0905f90d 100644 --- a/doc/arm/Bv9ARM.ch02.html +++ b/doc/arm/Bv9ARM.ch02.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: Bv9ARM.ch02.html,v 1.35.18.1 2008/01/18 01:44:53 marka Exp $ --> +<!-- $Id: Bv9ARM.ch02.html,v 1.35.18.2 2008/03/15 01:41:35 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -45,16 +45,16 @@ <div class="toc"> <p><b>Table of Contents</b></p> <dl> -<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567622">Hardware requirements</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567649">CPU Requirements</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567661">Memory Requirements</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567688">Name Server Intensive Environment Issues</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567699">Supported Operating Systems</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567580">Hardware requirements</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567607">CPU Requirements</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567620">Memory Requirements</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567851">Name Server Intensive Environment Issues</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567862">Supported Operating Systems</a></span></dt> </dl> </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2567622"></a>Hardware requirements</h2></div></div></div> +<a name="id2567580"></a>Hardware requirements</h2></div></div></div> <p> <acronym class="acronym">DNS</acronym> hardware requirements have traditionally been quite modest. @@ -73,7 +73,7 @@ </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2567649"></a>CPU Requirements</h2></div></div></div> +<a name="id2567607"></a>CPU Requirements</h2></div></div></div> <p> CPU requirements for <acronym class="acronym">BIND</acronym> 9 range from i486-class machines @@ -84,7 +84,7 @@ </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2567661"></a>Memory Requirements</h2></div></div></div> +<a name="id2567620"></a>Memory Requirements</h2></div></div></div> <p> The memory of the server has to be large enough to fit the cache and zones loaded off disk. The <span><strong class="command">max-cache-size</strong></span> @@ -107,7 +107,7 @@ </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2567688"></a>Name Server Intensive Environment Issues</h2></div></div></div> +<a name="id2567851"></a>Name Server Intensive Environment Issues</h2></div></div></div> <p> For name server intensive environments, there are two alternative configurations that may be used. The first is where clients and @@ -124,7 +124,7 @@ </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2567699"></a>Supported Operating Systems</h2></div></div></div> +<a name="id2567862"></a>Supported Operating Systems</h2></div></div></div> <p> ISC <acronym class="acronym">BIND</acronym> 9 compiles and runs on a large number diff --git a/doc/arm/Bv9ARM.ch03.html b/doc/arm/Bv9ARM.ch03.html index 74c963b5..699f93d6 100644 --- a/doc/arm/Bv9ARM.ch03.html +++ b/doc/arm/Bv9ARM.ch03.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: Bv9ARM.ch03.html,v 1.67.18.1 2008/01/18 01:44:53 marka Exp $ --> +<!-- $Id: Bv9ARM.ch03.html,v 1.67.18.2 2008/03/15 01:41:35 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -47,14 +47,14 @@ <dl> <dt><span class="sect1"><a href="Bv9ARM.ch03.html#sample_configuration">Sample Configurations</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2568004">A Caching-only Name Server</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2568020">An Authoritative-only Name Server</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2567894">A Caching-only Name Server</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2567910">An Authoritative-only Name Server</a></span></dt> </dl></dd> -<dt><span class="sect1"><a href="Bv9ARM.ch03.html#id2568042">Load Balancing</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch03.html#id2568465">Name Server Operations</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch03.html#id2568001">Load Balancing</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch03.html#id2568423">Name Server Operations</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2568470">Tools for Use With the Name Server Daemon</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2570184">Signals</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2568428">Tools for Use With the Name Server Daemon</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2570142">Signals</a></span></dt> </dl></dd> </dl> </div> @@ -68,7 +68,7 @@ <a name="sample_configuration"></a>Sample Configurations</h2></div></div></div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2568004"></a>A Caching-only Name Server</h3></div></div></div> +<a name="id2567894"></a>A Caching-only Name Server</h3></div></div></div> <p> The following sample configuration is appropriate for a caching-only name server for use by clients internal to a corporation. All @@ -95,7 +95,7 @@ zone "0.0.127.in-addr.arpa" { </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2568020"></a>An Authoritative-only Name Server</h3></div></div></div> +<a name="id2567910"></a>An Authoritative-only Name Server</h3></div></div></div> <p> This sample configuration is for an authoritative-only server that is the master server for "<code class="filename">example.com</code>" @@ -137,7 +137,7 @@ zone "eng.example.com" { </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2568042"></a>Load Balancing</h2></div></div></div> +<a name="id2568001"></a>Load Balancing</h2></div></div></div> <p> A primitive form of load balancing can be achieved in the <acronym class="acronym">DNS</acronym> by using multiple records @@ -280,10 +280,10 @@ zone "eng.example.com" { </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2568465"></a>Name Server Operations</h2></div></div></div> +<a name="id2568423"></a>Name Server Operations</h2></div></div></div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2568470"></a>Tools for Use With the Name Server Daemon</h3></div></div></div> +<a name="id2568428"></a>Tools for Use With the Name Server Daemon</h3></div></div></div> <p> This section describes several indispensable diagnostic, administrative and monitoring tools available to the system @@ -739,7 +739,7 @@ controls { </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2570184"></a>Signals</h3></div></div></div> +<a name="id2570142"></a>Signals</h3></div></div></div> <p> Certain UNIX signals cause the name server to take specific actions, as described in the following table. These signals can diff --git a/doc/arm/Bv9ARM.ch04.html b/doc/arm/Bv9ARM.ch04.html index 73c4c43e..a5d213ba 100644 --- a/doc/arm/Bv9ARM.ch04.html +++ b/doc/arm/Bv9ARM.ch04.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: Bv9ARM.ch04.html,v 1.81.18.1 2008/01/18 01:44:53 marka Exp $ --> +<!-- $Id: Bv9ARM.ch04.html,v 1.81.18.2 2008/03/15 01:41:35 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -49,29 +49,29 @@ <dt><span class="sect1"><a href="Bv9ARM.ch04.html#dynamic_update">Dynamic Update</a></span></dt> <dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch04.html#journal">The journal file</a></span></dt></dl></dd> <dt><span class="sect1"><a href="Bv9ARM.ch04.html#incremental_zone_transfers">Incremental Zone Transfers (IXFR)</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2570658">Split DNS</a></span></dt> -<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2570676">Example split DNS setup</a></span></dt></dl></dd> +<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2570616">Split DNS</a></span></dt> +<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2570634">Example split DNS setup</a></span></dt></dl></dd> <dt><span class="sect1"><a href="Bv9ARM.ch04.html#tsig">TSIG</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571111">Generate Shared Keys for Each Pair of Hosts</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571185">Copying the Shared Secret to Both Machines</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571195">Informing the Servers of the Key's Existence</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571235">Instructing the Server to Use the Key</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571429">TSIG Key Based Access Control</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571474">Errors</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571069">Generate Shared Keys for Each Pair of Hosts</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571143">Copying the Shared Secret to Both Machines</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571154">Informing the Servers of the Key's Existence</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571193">Instructing the Server to Use the Key</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571319">TSIG Key Based Access Control</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571432">Errors</a></span></dt> </dl></dd> -<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2571488">TKEY</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2571673">SIG(0)</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2571446">TKEY</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2571563">SIG(0)</a></span></dt> <dt><span class="sect1"><a href="Bv9ARM.ch04.html#DNSSEC">DNSSEC</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571741">Generating Keys</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571811">Signing the Zone</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571890">Configuring Servers</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571700">Generating Keys</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571769">Signing the Zone</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571848">Configuring Servers</a></span></dt> </dl></dd> -<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2572033">IPv6 Support in <acronym class="acronym">BIND</acronym> 9</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2571923">IPv6 Support in <acronym class="acronym">BIND</acronym> 9</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2572231">Address Lookups Using AAAA Records</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2572252">Address to Name Lookups Using Nibble Format</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2572189">Address Lookups Using AAAA Records</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2572211">Address to Name Lookups Using Nibble Format</a></span></dt> </dl></dd> </dl> </div> @@ -210,7 +210,7 @@ </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2570658"></a>Split DNS</h2></div></div></div> +<a name="id2570616"></a>Split DNS</h2></div></div></div> <p> Setting up different views, or visibility, of the DNS space to internal and external resolvers is usually referred to as a @@ -240,7 +240,7 @@ </p> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2570676"></a>Example split DNS setup</h3></div></div></div> +<a name="id2570634"></a>Example split DNS setup</h3></div></div></div> <p> Let's say a company named <span class="emphasis"><em>Example, Inc.</em></span> (<code class="literal">example.com</code>) @@ -486,7 +486,7 @@ nameserver 172.16.72.4 </p> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2571111"></a>Generate Shared Keys for Each Pair of Hosts</h3></div></div></div> +<a name="id2571069"></a>Generate Shared Keys for Each Pair of Hosts</h3></div></div></div> <p> A shared secret is generated to be shared between <span class="emphasis"><em>host1</em></span> and <span class="emphasis"><em>host2</em></span>. An arbitrary key name is chosen: "host1-host2.". The key name must @@ -494,7 +494,7 @@ nameserver 172.16.72.4 </p> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2571128"></a>Automatic Generation</h4></div></div></div> +<a name="id2571086"></a>Automatic Generation</h4></div></div></div> <p> The following command will generate a 128-bit (16 byte) HMAC-MD5 key as described above. Longer keys are better, but shorter keys @@ -519,7 +519,7 @@ nameserver 172.16.72.4 </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2571166"></a>Manual Generation</h4></div></div></div> +<a name="id2571125"></a>Manual Generation</h4></div></div></div> <p> The shared secret is simply a random sequence of bits, encoded in base-64. Most ASCII strings are valid base-64 strings (assuming @@ -534,7 +534,7 @@ nameserver 172.16.72.4 </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2571185"></a>Copying the Shared Secret to Both Machines</h3></div></div></div> +<a name="id2571143"></a>Copying the Shared Secret to Both Machines</h3></div></div></div> <p> This is beyond the scope of DNS. A secure transport mechanism should be used. This could be secure FTP, ssh, telephone, etc. @@ -542,7 +542,7 @@ nameserver 172.16.72.4 </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2571195"></a>Informing the Servers of the Key's Existence</h3></div></div></div> +<a name="id2571154"></a>Informing the Servers of the Key's Existence</h3></div></div></div> <p> Imagine <span class="emphasis"><em>host1</em></span> and <span class="emphasis"><em>host 2</em></span> are @@ -571,7 +571,7 @@ key host1-host2. { </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2571235"></a>Instructing the Server to Use the Key</h3></div></div></div> +<a name="id2571193"></a>Instructing the Server to Use the Key</h3></div></div></div> <p> Since keys are shared between two hosts only, the server must be told when keys are to be used. The following is added to the <code class="filename">named.conf</code> file @@ -603,7 +603,7 @@ server 10.1.2.3 { </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2571429"></a>TSIG Key Based Access Control</h3></div></div></div> +<a name="id2571319"></a>TSIG Key Based Access Control</h3></div></div></div> <p> <acronym class="acronym">BIND</acronym> allows IP addresses and ranges to be specified in ACL @@ -631,7 +631,7 @@ allow-update { key host1-host2. ;}; </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2571474"></a>Errors</h3></div></div></div> +<a name="id2571432"></a>Errors</h3></div></div></div> <p> The processing of TSIG signed messages can result in several errors. If a signed message is sent to a non-TSIG aware @@ -657,7 +657,7 @@ allow-update { key host1-host2. ;}; </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2571488"></a>TKEY</h2></div></div></div> +<a name="id2571446"></a>TKEY</h2></div></div></div> <p><span><strong class="command">TKEY</strong></span> is a mechanism for automatically generating a shared secret between two hosts. There are several "modes" of @@ -693,7 +693,7 @@ allow-update { key host1-host2. ;}; </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2571673"></a>SIG(0)</h2></div></div></div> +<a name="id2571563"></a>SIG(0)</h2></div></div></div> <p> <acronym class="acronym">BIND</acronym> 9 partially supports DNSSEC SIG(0) transaction signatures as specified in RFC 2535 and RFC2931. @@ -754,7 +754,7 @@ allow-update { key host1-host2. ;}; </p> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2571741"></a>Generating Keys</h3></div></div></div> +<a name="id2571700"></a>Generating Keys</h3></div></div></div> <p> The <span><strong class="command">dnssec-keygen</strong></span> program is used to generate keys. @@ -805,7 +805,7 @@ allow-update { key host1-host2. ;}; </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2571811"></a>Signing the Zone</h3></div></div></div> +<a name="id2571769"></a>Signing the Zone</h3></div></div></div> <p> The <span><strong class="command">dnssec-signzone</strong></span> program is used to @@ -849,7 +849,7 @@ allow-update { key host1-host2. ;}; </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2571890"></a>Configuring Servers</h3></div></div></div> +<a name="id2571848"></a>Configuring Servers</h3></div></div></div> <p> To enable <span><strong class="command">named</strong></span> to respond appropriately to DNS requests from DNSSEC aware clients, @@ -937,7 +937,7 @@ options { </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2572033"></a>IPv6 Support in <acronym class="acronym">BIND</acronym> 9</h2></div></div></div> +<a name="id2571923"></a>IPv6 Support in <acronym class="acronym">BIND</acronym> 9</h2></div></div></div> <p> <acronym class="acronym">BIND</acronym> 9 fully supports all currently defined forms of IPv6 @@ -976,7 +976,7 @@ options { </p> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2572231"></a>Address Lookups Using AAAA Records</h3></div></div></div> +<a name="id2572189"></a>Address Lookups Using AAAA Records</h3></div></div></div> <p> The IPv6 AAAA record is a parallel to the IPv4 A record, and, unlike the deprecated A6 record, specifies the entire @@ -995,7 +995,7 @@ host 3600 IN AAAA 2001:db8::1 </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2572252"></a>Address to Name Lookups Using Nibble Format</h3></div></div></div> +<a name="id2572211"></a>Address to Name Lookups Using Nibble Format</h3></div></div></div> <p> When looking up an address in nibble format, the address components are simply reversed, just as in IPv4, and diff --git a/doc/arm/Bv9ARM.ch05.html b/doc/arm/Bv9ARM.ch05.html index 49890d3c..42a64ec0 100644 --- a/doc/arm/Bv9ARM.ch05.html +++ b/doc/arm/Bv9ARM.ch05.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: Bv9ARM.ch05.html,v 1.66.18.1 2008/01/18 01:44:53 marka Exp $ --> +<!-- $Id: Bv9ARM.ch05.html,v 1.66.18.2 2008/03/15 01:41:35 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -45,13 +45,13 @@ <div class="toc"> <p><b>Table of Contents</b></p> <dl> -<dt><span class="sect1"><a href="Bv9ARM.ch05.html#id2572285">The Lightweight Resolver Library</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch05.html#id2572244">The Lightweight Resolver Library</a></span></dt> <dt><span class="sect1"><a href="Bv9ARM.ch05.html#lwresd">Running a Resolver Daemon</a></span></dt> </dl> </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2572285"></a>The Lightweight Resolver Library</h2></div></div></div> +<a name="id2572244"></a>The Lightweight Resolver Library</h2></div></div></div> <p> Traditionally applications have been linked with a stub resolver library that sends recursive DNS queries to a local caching name diff --git a/doc/arm/Bv9ARM.ch06.html b/doc/arm/Bv9ARM.ch06.html index ca3e742e..a7f0d1ee 100644 --- a/doc/arm/Bv9ARM.ch06.html +++ b/doc/arm/Bv9ARM.ch06.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: Bv9ARM.ch06.html,v 1.168.18.4 2008/01/18 09:37:04 marka Exp $ --> +<!-- $Id: Bv9ARM.ch06.html,v 1.168.18.10 2008/05/06 01:41:46 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -48,57 +48,59 @@ <dt><span class="sect1"><a href="Bv9ARM.ch06.html#configuration_file_elements">Configuration File Elements</a></span></dt> <dd><dl> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#address_match_lists">Address Match Lists</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2573587">Comment Syntax</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2573477">Comment Syntax</a></span></dt> </dl></dd> <dt><span class="sect1"><a href="Bv9ARM.ch06.html#Configuration_File_Grammar">Configuration File Grammar</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574157"><span><strong class="command">acl</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574116"><span><strong class="command">acl</strong></span> Statement Grammar</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#acl"><span><strong class="command">acl</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574347"><span><strong class="command">controls</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574306"><span><strong class="command">controls</strong></span> Statement Grammar</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#controls_statement_definition_and_usage"><span><strong class="command">controls</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574776"><span><strong class="command">include</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574793"><span><strong class="command">include</strong></span> Statement Definition and +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574734"><span><strong class="command">include</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574752"><span><strong class="command">include</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574817"><span><strong class="command">key</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574840"><span><strong class="command">key</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574999"><span><strong class="command">logging</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575193"><span><strong class="command">logging</strong></span> Statement Definition and +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574775"><span><strong class="command">key</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574798"><span><strong class="command">key</strong></span> Statement Definition and Usage</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575026"><span><strong class="command">logging</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575152"><span><strong class="command">logging</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576505"><span><strong class="command">lwres</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576579"><span><strong class="command">lwres</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576643"><span><strong class="command">masters</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576686"><span><strong class="command">masters</strong></span> Statement Definition and +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576464"><span><strong class="command">lwres</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576537"><span><strong class="command">lwres</strong></span> Statement Definition and Usage</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576601"><span><strong class="command">masters</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576645"><span><strong class="command">masters</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576701"><span><strong class="command">options</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576660"><span><strong class="command">options</strong></span> Statement Grammar</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#options"><span><strong class="command">options</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585163"><span><strong class="command">statistics-channels</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585181"><span><strong class="command">statistics-channels</strong></span> Statement Definition and +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#statschannels"><span><strong class="command">statistics-channels</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2584781"><span><strong class="command">statistics-channels</strong></span> Statement Definition and Usage</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#server_statement_grammar"><span><strong class="command">server</strong></span> Statement Grammar</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#server_statement_definition_and_usage"><span><strong class="command">server</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585865"><span><strong class="command">trusted-keys</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585916"><span><strong class="command">trusted-keys</strong></span> Statement Definition +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585533"><span><strong class="command">trusted-keys</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585585"><span><strong class="command">trusted-keys</strong></span> Statement Definition and Usage</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#view_statement_grammar"><span><strong class="command">view</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585998"><span><strong class="command">view</strong></span> Statement Definition and Usage</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585667"><span><strong class="command">view</strong></span> Statement Definition and Usage</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#zone_statement_grammar"><span><strong class="command">zone</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2587559"><span><strong class="command">zone</strong></span> Statement Definition and Usage</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2587159"><span><strong class="command">zone</strong></span> Statement Definition and Usage</a></span></dt> </dl></dd> -<dt><span class="sect1"><a href="Bv9ARM.ch06.html#id2589906">Zone File</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch06.html#id2589437">Zone File</a></span></dt> <dd><dl> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#types_of_resource_records_and_when_to_use_them">Types of Resource Records and When to Use Them</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2591927">Discussion of MX Records</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2591459">Discussion of MX Records</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#Setting_TTLs">Setting TTLs</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592547">Inverse Mapping in IPv4</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592674">Other Zone File Directives</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592862"><acronym class="acronym">BIND</acronym> Master File Extension: the <span><strong class="command">$GENERATE</strong></span> Directive</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592147">Inverse Mapping in IPv4</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592342">Other Zone File Directives</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592599"><acronym class="acronym">BIND</acronym> Master File Extension: the <span><strong class="command">$GENERATE</strong></span> Directive</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#zonefile_format">Additional File Formats</a></span></dt> </dl></dd> +<dt><span class="sect1"><a href="Bv9ARM.ch06.html#id2593067">BIND9 Statistics</a></span></dt> +<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2593348">Statistics Counters</a></span></dt></dl></dd> </dl> </div> <p> @@ -432,7 +434,7 @@ <a name="address_match_lists"></a>Address Match Lists</h3></div></div></div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2573365"></a>Syntax</h4></div></div></div> +<a name="id2573323"></a>Syntax</h4></div></div></div> <pre class="programlisting"><code class="varname">address_match_list</code> = address_match_list_element ; [<span class="optional"> address_match_list_element; ... </span>] <code class="varname">address_match_list_element</code> = [<span class="optional"> ! </span>] (ip_address [<span class="optional">/length</span>] | @@ -441,7 +443,7 @@ </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2573393"></a>Definition and Usage</h4></div></div></div> +<a name="id2573351"></a>Definition and Usage</h4></div></div></div> <p> Address match lists are primarily used to determine access control for various server operations. They are also used in @@ -525,7 +527,7 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2573587"></a>Comment Syntax</h3></div></div></div> +<a name="id2573477"></a>Comment Syntax</h3></div></div></div> <p> The <acronym class="acronym">BIND</acronym> 9 comment syntax allows for comments to appear @@ -535,7 +537,7 @@ </p> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2573602"></a>Syntax</h4></div></div></div> +<a name="id2573492"></a>Syntax</h4></div></div></div> <p> </p> <pre class="programlisting">/* This is a <acronym class="acronym">BIND</acronym> comment as in C */</pre> @@ -550,7 +552,7 @@ </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2573632"></a>Definition and Usage</h4></div></div></div> +<a name="id2573590"></a>Definition and Usage</h4></div></div></div> <p> Comments may appear anywhere that whitespace may appear in a <acronym class="acronym">BIND</acronym> configuration file. @@ -795,7 +797,7 @@ </p> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2574157"></a><span><strong class="command">acl</strong></span> Statement Grammar</h3></div></div></div> +<a name="id2574116"></a><span><strong class="command">acl</strong></span> Statement Grammar</h3></div></div></div> <pre class="programlisting"><span><strong class="command">acl</strong></span> acl-name { address_match_list }; @@ -877,7 +879,7 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2574347"></a><span><strong class="command">controls</strong></span> Statement Grammar</h3></div></div></div> +<a name="id2574306"></a><span><strong class="command">controls</strong></span> Statement Grammar</h3></div></div></div> <pre class="programlisting"><span><strong class="command">controls</strong></span> { [ inet ( ip_addr | * ) [ port ip_port ] allow { <em class="replaceable"><code> address_match_list </code></em> } keys { <em class="replaceable"><code>key_list</code></em> }; ] @@ -999,12 +1001,12 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2574776"></a><span><strong class="command">include</strong></span> Statement Grammar</h3></div></div></div> +<a name="id2574734"></a><span><strong class="command">include</strong></span> Statement Grammar</h3></div></div></div> <pre class="programlisting"><span><strong class="command">include</strong></span> <em class="replaceable"><code>filename</code></em>;</pre> </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2574793"></a><span><strong class="command">include</strong></span> Statement Definition and +<a name="id2574752"></a><span><strong class="command">include</strong></span> Statement Definition and Usage</h3></div></div></div> <p> The <span><strong class="command">include</strong></span> statement inserts the @@ -1019,7 +1021,7 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2574817"></a><span><strong class="command">key</strong></span> Statement Grammar</h3></div></div></div> +<a name="id2574775"></a><span><strong class="command">key</strong></span> Statement Grammar</h3></div></div></div> <pre class="programlisting"><span><strong class="command">key</strong></span> <em class="replaceable"><code>key_id</code></em> { algorithm <em class="replaceable"><code>string</code></em>; secret <em class="replaceable"><code>string</code></em>; @@ -1028,7 +1030,7 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2574840"></a><span><strong class="command">key</strong></span> Statement Definition and Usage</h3></div></div></div> +<a name="id2574798"></a><span><strong class="command">key</strong></span> Statement Definition and Usage</h3></div></div></div> <p> The <span><strong class="command">key</strong></span> statement defines a shared secret key for use with TSIG (see <a href="Bv9ARM.ch04.html#tsig" title="TSIG">the section called “TSIG”</a>) @@ -1075,7 +1077,7 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2574999"></a><span><strong class="command">logging</strong></span> Statement Grammar</h3></div></div></div> +<a name="id2575026"></a><span><strong class="command">logging</strong></span> Statement Grammar</h3></div></div></div> <pre class="programlisting"><span><strong class="command">logging</strong></span> { [ <span><strong class="command">channel</strong></span> <em class="replaceable"><code>channel_name</code></em> { ( <span><strong class="command">file</strong></span> <em class="replaceable"><code>path name</code></em> @@ -1099,7 +1101,7 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2575193"></a><span><strong class="command">logging</strong></span> Statement Definition and +<a name="id2575152"></a><span><strong class="command">logging</strong></span> Statement Definition and Usage</h3></div></div></div> <p> The <span><strong class="command">logging</strong></span> statement configures a @@ -1133,7 +1135,7 @@ </p> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2575245"></a>The <span><strong class="command">channel</strong></span> Phrase</h4></div></div></div> +<a name="id2575204"></a>The <span><strong class="command">channel</strong></span> Phrase</h4></div></div></div> <p> All log output goes to one or more <span class="emphasis"><em>channels</em></span>; you can make as many of them as you want. @@ -1689,7 +1691,7 @@ category notify { null; }; </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2576505"></a><span><strong class="command">lwres</strong></span> Statement Grammar</h3></div></div></div> +<a name="id2576464"></a><span><strong class="command">lwres</strong></span> Statement Grammar</h3></div></div></div> <p> This is the grammar of the <span><strong class="command">lwres</strong></span> statement in the <code class="filename">named.conf</code> file: @@ -1704,7 +1706,7 @@ category notify { null; }; </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2576579"></a><span><strong class="command">lwres</strong></span> Statement Definition and Usage</h3></div></div></div> +<a name="id2576537"></a><span><strong class="command">lwres</strong></span> Statement Definition and Usage</h3></div></div></div> <p> The <span><strong class="command">lwres</strong></span> statement configures the name @@ -1755,14 +1757,14 @@ category notify { null; }; </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2576643"></a><span><strong class="command">masters</strong></span> Statement Grammar</h3></div></div></div> +<a name="id2576601"></a><span><strong class="command">masters</strong></span> Statement Grammar</h3></div></div></div> <pre class="programlisting"> <span><strong class="command">masters</strong></span> <em class="replaceable"><code>name</code></em> [<span class="optional">port <em class="replaceable"><code>ip_port</code></em></span>] { ( <em class="replaceable"><code>masters_list</code></em> | <em class="replaceable"><code>ip_addr</code></em> [<span class="optional">port <em class="replaceable"><code>ip_port</code></em></span>] [<span class="optional">key <em class="replaceable"><code>key</code></em></span>] ) ; [<span class="optional">...</span>] }; </pre> </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2576686"></a><span><strong class="command">masters</strong></span> Statement Definition and +<a name="id2576645"></a><span><strong class="command">masters</strong></span> Statement Definition and Usage</h3></div></div></div> <p><span><strong class="command">masters</strong></span> lists allow for a common set of masters to be easily used by @@ -1771,7 +1773,7 @@ category notify { null; }; </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2576701"></a><span><strong class="command">options</strong></span> Statement Grammar</h3></div></div></div> +<a name="id2576660"></a><span><strong class="command">options</strong></span> Statement Grammar</h3></div></div></div> <p> This is the grammar of the <span><strong class="command">options</strong></span> statement in the <code class="filename">named.conf</code> file: @@ -2886,7 +2888,7 @@ options { </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2580914"></a>Forwarding</h4></div></div></div> +<a name="id2580872"></a>Forwarding</h4></div></div></div> <p> The forwarding facility can be used to create a large site-wide cache on a few servers, reducing traffic over links to external @@ -2930,7 +2932,7 @@ options { </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2580972"></a>Dual-stack Servers</h4></div></div></div> +<a name="id2580931"></a>Dual-stack Servers</h4></div></div></div> <p> Dual-stack servers are used as servers of last resort to work around @@ -3126,7 +3128,7 @@ options { </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2581537"></a>Interfaces</h4></div></div></div> +<a name="id2581495"></a>Interfaces</h4></div></div></div> <p> The interfaces and ports that the server will answer queries from may be specified using the <span><strong class="command">listen-on</strong></span> option. <span><strong class="command">listen-on</strong></span> takes @@ -3510,7 +3512,7 @@ query-source-v6 address * port *; </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2582571"></a>Bad UDP Port Lists</h4></div></div></div> +<a name="id2582530"></a>Bad UDP Port Lists</h4></div></div></div> <p><span><strong class="command">avoid-v4-udp-ports</strong></span> and <span><strong class="command">avoid-v6-udp-ports</strong></span> specify a list of IPv4 and IPv6 UDP ports that will not be used as system @@ -3524,7 +3526,7 @@ query-source-v6 address * port *; </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2582586"></a>Operating System Resource Limits</h4></div></div></div> +<a name="id2582545"></a>Operating System Resource Limits</h4></div></div></div> <p> The server's usage of many system resources can be limited. Scaled values are allowed when specifying resource limits. For @@ -3583,7 +3585,7 @@ query-source-v6 address * port *; </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2582770"></a>Server Resource Limits</h4></div></div></div> +<a name="id2582660"></a>Server Resource Limits</h4></div></div></div> <p> The following options set limits on the server's resource consumption that are enforced internally by the @@ -3659,15 +3661,18 @@ query-source-v6 address * port *; </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2582903"></a>Periodic Task Intervals</h4></div></div></div> +<a name="id2582861"></a>Periodic Task Intervals</h4></div></div></div> <div class="variablelist"><dl> <dt><span class="term"><span><strong class="command">cleaning-interval</strong></span></span></dt> <dd><p> - The server will remove expired resource records + This interval is effectively obsolete. Previously, + the server would remove expired resource records from the cache every <span><strong class="command">cleaning-interval</strong></span> minutes. - The default is 60 minutes. The maximum value is 28 days - (40320 minutes). - If set to 0, no periodic cleaning will occur. + <acronym class="acronym">BIND</acronym> 9 now manages cache + memory in a more sophisticated manner and does not + rely on the periodic cleaning any more. + Specifying this option therefore has no effect on + the server's behavior. </p></dd> <dt><span class="term"><span><strong class="command">heartbeat-interval</strong></span></span></dt> <dd><p> @@ -3924,8 +3929,13 @@ query-source-v6 address * port *; </td> <td> <p> - Records are returned in a round-robin - order. + Records are returned in a cyclic round-robin order. + </p> + <p> + If <acronym class="acronym">BIND</acronym> is configured with the + "--enable-fixed-rrset" option at compile time, then + the initial ordering of the RRset will match the + one specified in the zone file. </p> </td> </tr> @@ -3953,9 +3963,11 @@ query-source-v6 address * port *; <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"> <h3 class="title">Note</h3> <p> - The <span><strong class="command">rrset-order</strong></span> statement - is not yet fully implemented in <acronym class="acronym">BIND</acronym> 9. - BIND 9 currently does not fully support "fixed" ordering. + In this release of <acronym class="acronym">BIND</acronym> 9, the + <span><strong class="command">rrset-order</strong></span> statement does not support + "fixed" ordering by default. Fixed ordering can be enabled + at compile time by specifying "--enable-fixed-rrset" on + the "configure" command line. </p> </div> </div> @@ -4178,9 +4190,10 @@ query-source-v6 address * port *; </p></dd> <dt><span class="term"><span><strong class="command">server-id</strong></span></span></dt> <dd><p> - The ID of the server should report via a query of - the name <code class="filename">ID.SERVER</code> - with type <span><strong class="command">TXT</strong></span>, class <span><strong class="command">CHAOS</strong></span>. + The ID the server should report when receiving a Name + Server Identifier (NSID) query, or a query of the name + <code class="filename">ID.SERVER</code> with type + <span><strong class="command">TXT</strong></span>, class <span><strong class="command">CHAOS</strong></span>. The primary purpose of such queries is to identify which of a group of anycast servers is actually answering your queries. Specifying <span><strong class="command">server-id none;</strong></span> @@ -4300,159 +4313,6 @@ query-source-v6 address * port *; </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="statsfile"></a>The Statistics File</h4></div></div></div> -<p> - The statistics file generated by <acronym class="acronym">BIND</acronym> 9 - is similar, but not identical, to that - generated by <acronym class="acronym">BIND</acronym> 8. - </p> -<p> - The statistics dump begins with a line, like: - </p> -<p> - <span><strong class="command">+++ Statistics Dump +++ (973798949)</strong></span> - </p> -<p> - The number in parentheses is a standard - Unix-style timestamp, measured as seconds since January 1, 1970. - Following - that line are a series of lines containing a counter type, the - value of the - counter, optionally a zone name, and optionally a view name. - The lines without view and zone listed are global statistics for - the entire server. - Lines with a zone and view name for the given view and zone (the - view name is - omitted for the default view). - </p> -<p> - The statistics dump ends with the line where the - number is identical to the number in the beginning line; for example: - </p> -<p> - <span><strong class="command">--- Statistics Dump --- (973798949)</strong></span> - </p> -<p> - The following statistics counters are maintained: - </p> -<div class="informaltable"><table border="1"> -<colgroup> -<col> -<col> -</colgroup> -<tbody> -<tr> -<td> - <p><span><strong class="command">success</strong></span></p> - </td> -<td> - <p> - The number of - successful queries made to the server or zone. A - successful query - is defined as query which returns a NOERROR response - with at least - one answer RR. - </p> - </td> -</tr> -<tr> -<td> - <p><span><strong class="command">referral</strong></span></p> - </td> -<td> - <p> - The number of queries which resulted - in referral responses. - </p> - </td> -</tr> -<tr> -<td> - <p><span><strong class="command">nxrrset</strong></span></p> - </td> -<td> - <p> - The number of queries which resulted in - NOERROR responses with no data. - </p> - </td> -</tr> -<tr> -<td> - <p><span><strong class="command">nxdomain</strong></span></p> - </td> -<td> - <p> - The number - of queries which resulted in NXDOMAIN responses. - </p> - </td> -</tr> -<tr> -<td> - <p><span><strong class="command">failure</strong></span></p> - </td> -<td> - <p> - The number of queries which resulted in a - failure response other than those above. - </p> - </td> -</tr> -<tr> -<td> - <p><span><strong class="command">recursion</strong></span></p> - </td> -<td> - <p> - The number of queries which caused the server - to perform recursion in order to find the final answer. - </p> - </td> -</tr> -<tr> -<td> - <p><span><strong class="command">duplicate</strong></span></p> - </td> -<td> - <p> - The number of queries which the server attempted to - recurse but discover a existing query with the same - IP address, port, query id, name, type and class - already being processed. - </p> - </td> -</tr> -<tr> -<td> - <p><span><strong class="command">dropped</strong></span></p> - </td> -<td> - <p> - The number of queries for which the server - discovered a excessive number of existing - recursive queries for the same name, type and - class and were subsequently dropped. - </p> - </td> -</tr> -</tbody> -</table></div> -<p> - Each query received by the server will cause exactly one of - <span><strong class="command">success</strong></span>, - <span><strong class="command">referral</strong></span>, - <span><strong class="command">nxrrset</strong></span>, - <span><strong class="command">nxdomain</strong></span>, or - <span><strong class="command">failure</strong></span> - to be incremented, and may additionally cause the - <span><strong class="command">recursion</strong></span> counter to be - incremented. - </p> -</div> -<div class="sect3" lang="en"> -<div class="titlepage"><div><div><h4 class="title"> <a name="acache"></a>Additional Section Caching</h4></div></div></div> <p> The additional section cache, also called <span><strong class="command">acache</strong></span>, @@ -4545,7 +4405,7 @@ query-source-v6 address * port *; </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2585163"></a><span><strong class="command">statistics-channels</strong></span> Statement Grammar</h3></div></div></div> +<a name="statschannels"></a><span><strong class="command">statistics-channels</strong></span> Statement Grammar</h3></div></div></div> <pre class="programlisting"><span><strong class="command">statistics-channels</strong></span> { [ inet ( ip_addr | * ) [ port ip_port ] [allow { <em class="replaceable"><code> address_match_list </code></em> } ]; ] [ inet ...; ] @@ -4554,7 +4414,7 @@ query-source-v6 address * port *; </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2585181"></a><span><strong class="command">statistics-channels</strong></span> Statement Definition and +<a name="id2584781"></a><span><strong class="command">statistics-channels</strong></span> Statement Definition and Usage</h3></div></div></div> <p> The <span><strong class="command">statistics-channels</strong></span> statement @@ -4799,7 +4659,7 @@ query-source-v6 address * port *; </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2585865"></a><span><strong class="command">trusted-keys</strong></span> Statement Grammar</h3></div></div></div> +<a name="id2585533"></a><span><strong class="command">trusted-keys</strong></span> Statement Grammar</h3></div></div></div> <pre class="programlisting"><span><strong class="command">trusted-keys</strong></span> { <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>number</code></em> <em class="replaceable"><code>number</code></em> <em class="replaceable"><code>number</code></em> <em class="replaceable"><code>string</code></em> ; [<span class="optional"> <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>number</code></em> <em class="replaceable"><code>number</code></em> <em class="replaceable"><code>number</code></em> <em class="replaceable"><code>string</code></em> ; [<span class="optional">...</span>]</span>] @@ -4808,7 +4668,7 @@ query-source-v6 address * port *; </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2585916"></a><span><strong class="command">trusted-keys</strong></span> Statement Definition +<a name="id2585585"></a><span><strong class="command">trusted-keys</strong></span> Statement Definition and Usage</h3></div></div></div> <p> The <span><strong class="command">trusted-keys</strong></span> statement defines @@ -4851,7 +4711,7 @@ query-source-v6 address * port *; </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2585998"></a><span><strong class="command">view</strong></span> Statement Definition and Usage</h3></div></div></div> +<a name="id2585667"></a><span><strong class="command">view</strong></span> Statement Definition and Usage</h3></div></div></div> <p> The <span><strong class="command">view</strong></span> statement is a powerful feature @@ -5110,10 +4970,10 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional" </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2587559"></a><span><strong class="command">zone</strong></span> Statement Definition and Usage</h3></div></div></div> +<a name="id2587159"></a><span><strong class="command">zone</strong></span> Statement Definition and Usage</h3></div></div></div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2587566"></a>Zone Types</h4></div></div></div> +<a name="id2587166"></a>Zone Types</h4></div></div></div> <div class="informaltable"><table border="1"> <colgroup> <col> @@ -5322,7 +5182,7 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional" </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2588054"></a>Class</h4></div></div></div> +<a name="id2587722"></a>Class</h4></div></div></div> <p> The zone's name may optionally be followed by a class. If a class is not specified, class <code class="literal">IN</code> (for <code class="varname">Internet</code>), @@ -5344,7 +5204,7 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional" </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2588087"></a>Zone Options</h4></div></div></div> +<a name="id2587755"></a>Zone Options</h4></div></div></div> <div class="variablelist"><dl> <dt><span class="term"><span><strong class="command">allow-notify</strong></span></span></dt> <dd><p> @@ -5845,7 +5705,7 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional" </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2589906"></a>Zone File</h2></div></div></div> +<a name="id2589437"></a>Zone File</h2></div></div></div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> <a name="types_of_resource_records_and_when_to_use_them"></a>Types of Resource Records and When to Use Them</h3></div></div></div> @@ -5858,7 +5718,7 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional" </p> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2589924"></a>Resource Records</h4></div></div></div> +<a name="id2589456"></a>Resource Records</h4></div></div></div> <p> A domain name identifies a node. Each node has a set of resource information, which may be empty. The set of resource @@ -6509,7 +6369,7 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional" </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2591270"></a>Textual expression of RRs</h4></div></div></div> +<a name="id2590870"></a>Textual expression of RRs</h4></div></div></div> <p> RRs are represented in binary form in the packets of the DNS protocol, and are usually represented in highly encoded form @@ -6712,7 +6572,7 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional" </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2591927"></a>Discussion of MX Records</h3></div></div></div> +<a name="id2591459"></a>Discussion of MX Records</h3></div></div></div> <p> As described above, domain servers store information as a series of resource records, each of which contains a particular @@ -6970,7 +6830,7 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional" </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2592547"></a>Inverse Mapping in IPv4</h3></div></div></div> +<a name="id2592147"></a>Inverse Mapping in IPv4</h3></div></div></div> <p> Reverse name resolution (that is, translation from IP address to name) is achieved by means of the <span class="emphasis"><em>in-addr.arpa</em></span> domain @@ -7031,7 +6891,7 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional" </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2592674"></a>Other Zone File Directives</h3></div></div></div> +<a name="id2592342"></a>Other Zone File Directives</h3></div></div></div> <p> The Master File Format was initially defined in RFC 1035 and has subsequently been extended. While the Master File Format @@ -7046,7 +6906,7 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional" </p> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2592696"></a>The <span><strong class="command">$ORIGIN</strong></span> Directive</h4></div></div></div> +<a name="id2592433"></a>The <span><strong class="command">$ORIGIN</strong></span> Directive</h4></div></div></div> <p> Syntax: <span><strong class="command">$ORIGIN</strong></span> <em class="replaceable"><code>domain-name</code></em> @@ -7074,7 +6934,7 @@ WWW.EXAMPLE.COM. CNAME MAIN-SERVER.EXAMPLE.COM. </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2592757"></a>The <span><strong class="command">$INCLUDE</strong></span> Directive</h4></div></div></div> +<a name="id2592493"></a>The <span><strong class="command">$INCLUDE</strong></span> Directive</h4></div></div></div> <p> Syntax: <span><strong class="command">$INCLUDE</strong></span> <em class="replaceable"><code>filename</code></em> @@ -7110,7 +6970,7 @@ WWW.EXAMPLE.COM. CNAME MAIN-SERVER.EXAMPLE.COM. </div> <div class="sect3" lang="en"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2592826"></a>The <span><strong class="command">$TTL</strong></span> Directive</h4></div></div></div> +<a name="id2592563"></a>The <span><strong class="command">$TTL</strong></span> Directive</h4></div></div></div> <p> Syntax: <span><strong class="command">$TTL</strong></span> <em class="replaceable"><code>default-ttl</code></em> @@ -7129,7 +6989,7 @@ WWW.EXAMPLE.COM. CNAME MAIN-SERVER.EXAMPLE.COM. </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2592862"></a><acronym class="acronym">BIND</acronym> Master File Extension: the <span><strong class="command">$GENERATE</strong></span> Directive</h3></div></div></div> +<a name="id2592599"></a><acronym class="acronym">BIND</acronym> Master File Extension: the <span><strong class="command">$GENERATE</strong></span> Directive</h3></div></div></div> <p> Syntax: <span><strong class="command">$GENERATE</strong></span> <em class="replaceable"><code>range</code></em> @@ -7154,7 +7014,7 @@ $GENERATE 1-127 $ CNAME $.0</pre> <p> is equivalent to </p> -<pre class="programlisting">0.0.0.192.IN-ADDR.ARPA NS SERVER1.EXAMPLE. +<pre class="programlisting">0.0.0.192.IN-ADDR.ARPA. NS SERVER1.EXAMPLE. 0.0.0.192.IN-ADDR.ARPA. NS SERVER2.EXAMPLE. 1.0.0.192.IN-ADDR.ARPA. CNAME 1.0.0.0.192.IN-ADDR.ARPA. 2.0.0.192.IN-ADDR.ARPA. CNAME 2.0.0.0.192.IN-ADDR.ARPA. @@ -7332,6 +7192,1224 @@ $GENERATE 1-127 $ CNAME $.0</pre> </p> </div> </div> +<div class="sect1" lang="en"> +<div class="titlepage"><div><div><h2 class="title" style="clear: both"> +<a name="id2593067"></a>BIND9 Statistics</h2></div></div></div> +<p> + <acronym class="acronym">BIND</acronym> 9 maintains lots of statistics + information and provides several interfaces for users to + get access to the statistics. + The available statistics include all statistics counters + that were available in <acronym class="acronym">BIND</acronym> 8 and + are meaningful in <acronym class="acronym">BIND</acronym> 9, + and other information that is considered useful. + </p> +<p> + The statistics information is categorized into the following + sections. + </p> +<div class="informaltable"><table border="1"> +<colgroup> +<col> +<col> +</colgroup> +<tbody> +<tr> +<td> + <p>Incoming Requests</p> + </td> +<td> + <p> + The number of incoming DNS requests for each OPCODE. + </p> + </td> +</tr> +<tr> +<td> + <p>Incoming Queries</p> + </td> +<td> + <p> + The number of incoming queries for each RR type. + </p> + </td> +</tr> +<tr> +<td> + <p>Outgoing Queries</p> + </td> +<td> + <p> + The number of outgoing queries for each RR + type sent from the internal resolver. + Maintained per view. + </p> + </td> +</tr> +<tr> +<td> + <p>Name Server Statistics</p> + </td> +<td> + <p> + Statistics counters about incoming request processing. + </p> + </td> +</tr> +<tr> +<td> + <p>Zone Maintenance Statistics</p> + </td> +<td> + <p> + Statistics counters regarding zone maintenance + operations such as zone transfers. + </p> + </td> +</tr> +<tr> +<td> + <p>Resolver Statistics</p> + </td> +<td> + <p> + Statistics counters about name resolution + performed in the internal resolver. + Maintained per view. + </p> + </td> +</tr> +<tr> +<td> + <p>Cache DB RRsets</p> + </td> +<td> + <p> + The number of RRsets per RR type (positive + or negative) and nonexistent names stored in the + cache database. + Maintained per view. + </p> + </td> +</tr> +</tbody> +</table></div> +<p> + A subset of Name Server Statistics is collected and shown + per zone for which the server has the authority when + <span><strong class="command">zone-statistics</strong></span> is set to + <strong class="userinput"><code>yes</code></strong>. + These statistics counters are shown with their zone and view + names. + In some cases the view names are omitted for the default view. + </p> +<p> + There are currently two user interfaces to get access to the + statistics. + One is in the plain text format dumped to the file specified + by the <span><strong class="command">statistics-file</strong></span> configuration option. + The other is remotely accessible via a statistics channel + when the <span><strong class="command">statistics-channels</strong></span> statement + is specified in the configuration file + (see <a href="Bv9ARM.ch06.html#statschannels" title="statistics-channels Statement Grammar">the section called “<span><strong class="command">statistics-channels</strong></span> Statement Grammar”</a>.) + </p> +<div class="sect3" lang="en"> +<div class="titlepage"><div><div><h4 class="title"> +<a name="statsfile"></a>The Statistics File</h4></div></div></div> +<p> + The text format statistics dump begins with a line, like: + </p> +<p> + <span><strong class="command">+++ Statistics Dump +++ (973798949)</strong></span> + </p> +<p> + The number in parentheses is a standard + Unix-style timestamp, measured as seconds since January 1, 1970. + + Following + that line is a set of statistics information, which is categorized + as described above. + Each section begins with a line, like: + </p> +<p> + <span><strong class="command">++ Name Server Statistics ++</strong></span> + </p> +<p> + Each section consists of lines, each containing the statistics + counter value followed by its textual description. + See below for available counters. + For brevity, counters that have a value of 0 are not shown + in the statistics file. + </p> +<p> + The statistics dump ends with the line where the + number is identical to the number in the beginning line; for example: + </p> +<p> + <span><strong class="command">--- Statistics Dump --- (973798949)</strong></span> + </p> +</div> +<div class="sect2" lang="en"> +<div class="titlepage"><div><div><h3 class="title"> +<a name="id2593348"></a>Statistics Counters</h3></div></div></div> +<p> + The following tables summarize statistics counters that + <acronym class="acronym">BIND</acronym> 9 provides. + For each row of the tables, the leftmost column is the + abbreviated symbol name of that counter. + These symbols are shown in the statistics information + accessed via an HTTP statistics channel. + The rightmost column gives the description of the counter, + which is also shown in the statistics file + (but, in this document, possibly with slight modification + for better readability). + Additional notes may also be provided in this column. + When a middle column exists between these two columns, + it gives the corresponding counter name of the + <acronym class="acronym">BIND</acronym> 8 statistics, if applicable. + </p> +<div class="sect3" lang="en"> +<div class="titlepage"><div><div><h4 class="title"> +<a name="id2593364"></a>Name Server Statistics Counters</h4></div></div></div> +<div class="informaltable"><table border="1"> +<colgroup> +<col> +<col> +<col> +</colgroup> +<tbody> +<tr> +<td> + <p> + <span class="emphasis"><em>Symbol</em></span> + </p> + </td> +<td> + <p> + <span class="emphasis"><em>BIND8 Symbol</em></span> + </p> + </td> +<td> + <p> + <span class="emphasis"><em>Description</em></span> + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">Requestv4</strong></span></p> + </td> +<td> + <p><span><strong class="command">RQ</strong></span></p> + </td> +<td> + <p> + IPv4 requests received. + Note: this also counts non query requests. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">Requestv6</strong></span></p> + </td> +<td> + <p><span><strong class="command">RQ</strong></span></p> + </td> +<td> + <p> + IPv6 requests received. + Note: this also counts non query requests. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">ReqEdns0</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Requests with EDNS(0) received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">ReqBadEDNSVer</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Requests with unsupported EDNS version received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">ReqTSIG</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Requests with TSIG received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">ReqSIG0</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Requests with SIG(0) received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">ReqBadSIG</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Requests with invalid (TSIG or SIG(0)) signature. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">ReqTCP</strong></span></p> + </td> +<td> + <p><span><strong class="command">RTCP</strong></span></p> + </td> +<td> + <p> + TCP requests received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">AuthQryRej</strong></span></p> + </td> +<td> + <p><span><strong class="command">RUQ</strong></span></p> + </td> +<td> + <p> + Authoritative (non recursive) queries rejected. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">RecQryRej</strong></span></p> + </td> +<td> + <p><span><strong class="command">RURQ</strong></span></p> + </td> +<td> + <p> + Recursive queries rejected. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">XfrRej</strong></span></p> + </td> +<td> + <p><span><strong class="command">RUXFR</strong></span></p> + </td> +<td> + <p> + Zone transfer requests rejected. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">UpdateRej</strong></span></p> + </td> +<td> + <p><span><strong class="command">RUUpd</strong></span></p> + </td> +<td> + <p> + Dynamic update requests rejected. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">Response</strong></span></p> + </td> +<td> + <p><span><strong class="command">SAns</strong></span></p> + </td> +<td> + <p> + Responses sent. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">RespTruncated</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Truncated responses sent. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">RespEDNS0</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Responses with EDNS(0) sent. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">RespTSIG</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Responses with TSIG sent. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">RespSIG0</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Responses with SIG(0) sent. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">QrySuccess</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Queries resulted in a successful answer. + This means the query which returns a NOERROR response + with at least one answer RR. + This corresponds to the + <span><strong class="command">success</strong></span> counter + of previous versions of + <acronym class="acronym">BIND</acronym> 9. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">QryAuthAns</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Queries resulted in authoritative answer. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">QryNoauthAns</strong></span></p> + </td> +<td> + <p><span><strong class="command">SNaAns</strong></span></p> + </td> +<td> + <p> + Queries resulted in non authoritative answer. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">QryReferral</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Queries resulted in referral answer. + This corresponds to the + <span><strong class="command">referral</strong></span> counter + of previous versions of + <acronym class="acronym">BIND</acronym> 9. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">QryNxrrset</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Queries resulted in NOERROR responses with no data. + This corresponds to the + <span><strong class="command">nxrrset</strong></span> counter + of previous versions of + <acronym class="acronym">BIND</acronym> 9. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">QrySERVFAIL</strong></span></p> + </td> +<td> + <p><span><strong class="command">SFail</strong></span></p> + </td> +<td> + <p> + Queries resulted in SERVFAIL. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">QryFORMERR</strong></span></p> + </td> +<td> + <p><span><strong class="command">SFErr</strong></span></p> + </td> +<td> + <p> + Queries resulted in FORMERR. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">QryNXDOMAIN</strong></span></p> + </td> +<td> + <p><span><strong class="command">SNXD</strong></span></p> + </td> +<td> + <p> + Queries resulted in NXDOMAIN. + This corresponds to the + <span><strong class="command">nxdomain</strong></span> counter + of previous versions of + <acronym class="acronym">BIND</acronym> 9. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">QryRecursion</strong></span></p> + </td> +<td> + <p><span><strong class="command">RFwdQ</strong></span></p> + </td> +<td> + <p> + Queries which caused the server + to perform recursion in order to find the final answer. + This corresponds to the + <span><strong class="command">recursion</strong></span> counter + of previous versions of + <acronym class="acronym">BIND</acronym> 9. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">QryDuplicate</strong></span></p> + </td> +<td> + <p><span><strong class="command">RDupQ</strong></span></p> + </td> +<td> + <p> + Queries which the server attempted to + recurse but discovered an existing query with the same + IP address, port, query ID, name, type and class + already being processed. + This corresponds to the + <span><strong class="command">duplicate</strong></span> counter + of previous versions of + <acronym class="acronym">BIND</acronym> 9. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">QryDropped</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Queries for which the server + discovered an excessive number of existing + recursive queries for the same name, type and + class and were subsequently dropped. + This corresponds to the + <span><strong class="command">dropped</strong></span> counter + of previous versions of + <acronym class="acronym">BIND</acronym> 9. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">QryFailure</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Other query failures. + This corresponds to the + <span><strong class="command">failure</strong></span> counter + of previous versions of + <acronym class="acronym">BIND</acronym> 9. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">XfrReqDone</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Requested zone transfers completed. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">UpdateReqFwd</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Update requests forwarded. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">UpdateRespFwd</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Update responses forwarded. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">UpdateFwdFail</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Dynamic update forward failed. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">UpdateDone</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Dynamic updates completed. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">UpdateFail</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Dynamic updates failed. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">UpdateBadPrereq</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Dynamic updates rejected due to prerequisite failure. + </p> + </td> +</tr> +</tbody> +</table></div> +</div> +<div class="sect3" lang="en"> +<div class="titlepage"><div><div><h4 class="title"> +<a name="id2594955"></a>Zone Maintenance Statistics Counters</h4></div></div></div> +<div class="informaltable"><table border="1"> +<colgroup> +<col> +<col> +</colgroup> +<tbody> +<tr> +<td> + <p> + <span class="emphasis"><em>Symbol</em></span> + </p> + </td> +<td> + <p> + <span class="emphasis"><em>Description</em></span> + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">NotifyOutv4</strong></span></p> + </td> +<td> + <p> + IPv4 notifies sent. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">NotifyOutv6</strong></span></p> + </td> +<td> + <p> + IPv6 notifies sent. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">NotifyInv4</strong></span></p> + </td> +<td> + <p> + IPv4 notifies received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">NotifyInv6</strong></span></p> + </td> +<td> + <p> + IPv6 notifies received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">NotifyRej</strong></span></p> + </td> +<td> + <p> + Incoming notifies rejected. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">SOAOutv4</strong></span></p> + </td> +<td> + <p> + IPv4 SOA queries sent. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">SOAOutv6</strong></span></p> + </td> +<td> + <p> + IPv6 SOA queries sent. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">AXFRReqv4</strong></span></p> + </td> +<td> + <p> + IPv4 AXFR requested. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">AXFRReqv6</strong></span></p> + </td> +<td> + <p> + IPv6 AXFR requested. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">IXFRReqv4</strong></span></p> + </td> +<td> + <p> + IPv4 IXFR requested. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">IXFRReqv6</strong></span></p> + </td> +<td> + <p> + IPv6 IXFR requested. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">XfrSuccess</strong></span></p> + </td> +<td> + <p> + Zone transfer requests succeeded. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">XfrFail</strong></span></p> + </td> +<td> + <p> + Zone transfer requests failed. + </p> + </td> +</tr> +</tbody> +</table></div> +</div> +<div class="sect3" lang="en"> +<div class="titlepage"><div><div><h4 class="title"> +<a name="id2595338"></a>Resolver Statistics Counters</h4></div></div></div> +<div class="informaltable"><table border="1"> +<colgroup> +<col> +<col> +<col> +</colgroup> +<tbody> +<tr> +<td> + <p> + <span class="emphasis"><em>Symbol</em></span> + </p> + </td> +<td> + <p> + <span class="emphasis"><em>BIND8 Symbol</em></span> + </p> + </td> +<td> + <p> + <span class="emphasis"><em>Description</em></span> + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">Queryv4</strong></span></p> + </td> +<td> + <p><span><strong class="command">SFwdQ</strong></span></p> + </td> +<td> + <p> + IPv4 queries sent. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">Queryv6</strong></span></p> + </td> +<td> + <p><span><strong class="command">SFwdQ</strong></span></p> + </td> +<td> + <p> + IPv6 queries sent. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">Responsev4</strong></span></p> + </td> +<td> + <p><span><strong class="command">RR</strong></span></p> + </td> +<td> + <p> + IPv4 responses received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">Responsev6</strong></span></p> + </td> +<td> + <p><span><strong class="command">RR</strong></span></p> + </td> +<td> + <p> + IPv6 responses received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">NXDOMAIN</strong></span></p> + </td> +<td> + <p><span><strong class="command">RNXD</strong></span></p> + </td> +<td> + <p> + NXDOMAIN received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">SERVFAIL</strong></span></p> + </td> +<td> + <p><span><strong class="command">RFail</strong></span></p> + </td> +<td> + <p> + SERVFAIL received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">FORMERR</strong></span></p> + </td> +<td> + <p><span><strong class="command">RFErr</strong></span></p> + </td> +<td> + <p> + FORMERR received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">OtherError</strong></span></p> + </td> +<td> + <p><span><strong class="command">RErr</strong></span></p> + </td> +<td> + <p> + Other errors received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">EDNS0Fail</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + EDNS(0) query failures. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">Mismatch</strong></span></p> + </td> +<td> + <p><span><strong class="command">RDupR</strong></span></p> + </td> +<td> + <p> + Mismatch responses received. + When shown via an HTTP statistics channel, + this counter is shown in the + Name Server Statistics section for brevity. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">Truncated</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + Truncated responses received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">Lame</strong></span></p> + </td> +<td> + <p><span><strong class="command">RLame</strong></span></p> + </td> +<td> + <p> + Lame delegations received. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">Retry</strong></span></p> + </td> +<td> + <p><span><strong class="command">SDupQ</strong></span></p> + </td> +<td> + <p> + Query retries performed. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">GlueFetchv4</strong></span></p> + </td> +<td> + <p><span><strong class="command">SSysQ</strong></span></p> + </td> +<td> + <p> + IPv4 NS address fetches invoked. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">GlueFetchv6</strong></span></p> + </td> +<td> + <p><span><strong class="command">SSysQ</strong></span></p> + </td> +<td> + <p> + IPv6 NS address fetches invoked. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">GlueFetchv4Fail</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + IPv4 NS address fetch failed. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">GlueFetchv6Fail</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + IPv6 NS address fetch failed. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">ValAttempt</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + DNSSEC validation attempted. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">ValOk</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + DNSSEC validation succeeded. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">ValNegOk</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + DNSSEC validation on negative information succeeded. + </p> + </td> +</tr> +<tr> +<td> + <p><span><strong class="command">ValFail</strong></span></p> + </td> +<td> + <p><span><strong class="command"></strong></span></p> + </td> +<td> + <p> + DNSSEC validation failed. + </p> + </td> +</tr> +</tbody> +</table></div> +</div> +<div class="sect3" lang="en"> +<div class="titlepage"><div><div><h4 class="title"> +<a name="id2596328"></a>Compatibility with <span class="emphasis"><em>BIND</em></span> 8 Counters</h4></div></div></div> +<p> + Most statistics counters that were available + in <span><strong class="command">BIND</strong></span> 8 are also supported in + <span><strong class="command">BIND</strong></span> 9 as shown in the above tables. + Here are notes about other counters that do not appear + in these tables. + </p> +<div class="variablelist"><dl> +<dt><span class="term"><span><strong class="command">RFwdR,SFwdR</strong></span></span></dt> +<dd><p> + These counters are not supported + because <span><strong class="command">BIND</strong></span> 9 does not adopt + the notion of <span class="emphasis"><em>forwarding</em></span> + as <span><strong class="command">BIND</strong></span> 8 did. + </p></dd> +<dt><span class="term"><span><strong class="command">RAXFR</strong></span></span></dt> +<dd><p> + This counter is accessible in the Incoming Queries section. + </p></dd> +<dt><span class="term"><span><strong class="command">RIQ</strong></span></span></dt> +<dd><p> + This counter is accessible in the Incoming Requests section. + </p></dd> +<dt><span class="term"><span><strong class="command">ROpts</strong></span></span></dt> +<dd><p> + This counter is not supported + because <span><strong class="command">BIND</strong></span> 9 does not care + about IP options in the first place. + </p></dd> +<dt><span class="term"><span><strong class="command">SErr</strong></span></span></dt> +<dd><p> + This counter could be implemented, but is not yet + supported. + </p></dd> +</dl></div> +</div> +</div> +</div> </div> <div class="navfooter"> <hr> diff --git a/doc/arm/Bv9ARM.ch07.html b/doc/arm/Bv9ARM.ch07.html index ceb1193e..1e27757a 100644 --- a/doc/arm/Bv9ARM.ch07.html +++ b/doc/arm/Bv9ARM.ch07.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: Bv9ARM.ch07.html,v 1.152.18.4 2008/01/18 09:37:04 marka Exp $ --> +<!-- $Id: Bv9ARM.ch07.html,v 1.152.18.9 2008/05/06 01:41:46 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -46,10 +46,10 @@ <p><b>Table of Contents</b></p> <dl> <dt><span class="sect1"><a href="Bv9ARM.ch07.html#Access_Control_Lists">Access Control Lists</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch07.html#id2593546"><span><strong class="command">Chroot</strong></span> and <span><strong class="command">Setuid</strong></span></a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch07.html#id2596516"><span><strong class="command">Chroot</strong></span> and <span><strong class="command">Setuid</strong></span></a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch07.html#id2593691">The <span><strong class="command">chroot</strong></span> Environment</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch07.html#id2593751">Using the <span><strong class="command">setuid</strong></span> Function</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch07.html#id2596593">The <span><strong class="command">chroot</strong></span> Environment</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch07.html#id2596652">Using the <span><strong class="command">setuid</strong></span> Function</a></span></dt> </dl></dd> <dt><span class="sect1"><a href="Bv9ARM.ch07.html#dynamic_update_security">Dynamic Update Security</a></span></dt> </dl> @@ -119,7 +119,7 @@ zone "example.com" { </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2593546"></a><span><strong class="command">Chroot</strong></span> and <span><strong class="command">Setuid</strong></span> +<a name="id2596516"></a><span><strong class="command">Chroot</strong></span> and <span><strong class="command">Setuid</strong></span> </h2></div></div></div> <p> On UNIX servers, it is possible to run <acronym class="acronym">BIND</acronym> in a <span class="emphasis"><em>chrooted</em></span> environment @@ -143,7 +143,7 @@ zone "example.com" { </p> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2593691"></a>The <span><strong class="command">chroot</strong></span> Environment</h3></div></div></div> +<a name="id2596593"></a>The <span><strong class="command">chroot</strong></span> Environment</h3></div></div></div> <p> In order for a <span><strong class="command">chroot</strong></span> environment to @@ -171,7 +171,7 @@ zone "example.com" { </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2593751"></a>Using the <span><strong class="command">setuid</strong></span> Function</h3></div></div></div> +<a name="id2596652"></a>Using the <span><strong class="command">setuid</strong></span> Function</h3></div></div></div> <p> Prior to running the <span><strong class="command">named</strong></span> daemon, use diff --git a/doc/arm/Bv9ARM.ch08.html b/doc/arm/Bv9ARM.ch08.html index 806f82df..5fd71b22 100644 --- a/doc/arm/Bv9ARM.ch08.html +++ b/doc/arm/Bv9ARM.ch08.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: Bv9ARM.ch08.html,v 1.153.18.4 2008/01/18 09:37:04 marka Exp $ --> +<!-- $Id: Bv9ARM.ch08.html,v 1.153.18.9 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -45,18 +45,18 @@ <div class="toc"> <p><b>Table of Contents</b></p> <dl> -<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2593831">Common Problems</a></span></dt> -<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch08.html#id2593836">It's not working; how can I figure out what's wrong?</a></span></dt></dl></dd> -<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2593848">Incrementing and Changing the Serial Number</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2593865">Where Can I Get Help?</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2596732">Common Problems</a></span></dt> +<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch08.html#id2596738">It's not working; how can I figure out what's wrong?</a></span></dt></dl></dd> +<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2596749">Incrementing and Changing the Serial Number</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2596766">Where Can I Get Help?</a></span></dt> </dl> </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2593831"></a>Common Problems</h2></div></div></div> +<a name="id2596732"></a>Common Problems</h2></div></div></div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2593836"></a>It's not working; how can I figure out what's wrong?</h3></div></div></div> +<a name="id2596738"></a>It's not working; how can I figure out what's wrong?</h3></div></div></div> <p> The best solution to solving installation and configuration issues is to take preventative measures by setting @@ -68,7 +68,7 @@ </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2593848"></a>Incrementing and Changing the Serial Number</h2></div></div></div> +<a name="id2596749"></a>Incrementing and Changing the Serial Number</h2></div></div></div> <p> Zone serial numbers are just numbers — they aren't date related. A lot of people set them to a number that @@ -95,7 +95,7 @@ </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2593865"></a>Where Can I Get Help?</h2></div></div></div> +<a name="id2596766"></a>Where Can I Get Help?</h2></div></div></div> <p> The Internet Systems Consortium (<acronym class="acronym">ISC</acronym>) offers a wide range diff --git a/doc/arm/Bv9ARM.ch09.html b/doc/arm/Bv9ARM.ch09.html index 4cbc5746..721127f8 100644 --- a/doc/arm/Bv9ARM.ch09.html +++ b/doc/arm/Bv9ARM.ch09.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: Bv9ARM.ch09.html,v 1.154.18.4 2008/01/18 09:37:04 marka Exp $ --> +<!-- $Id: Bv9ARM.ch09.html,v 1.154.18.9 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -45,21 +45,21 @@ <div class="toc"> <p><b>Table of Contents</b></p> <dl> -<dt><span class="sect1"><a href="Bv9ARM.ch09.html#id2593927">Acknowledgments</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch09.html#id2596828">Acknowledgments</a></span></dt> <dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch09.html#historical_dns_information">A Brief History of the <acronym class="acronym">DNS</acronym> and <acronym class="acronym">BIND</acronym></a></span></dt></dl></dd> -<dt><span class="sect1"><a href="Bv9ARM.ch09.html#id2594099">General <acronym class="acronym">DNS</acronym> Reference Information</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch09.html#id2597137">General <acronym class="acronym">DNS</acronym> Reference Information</a></span></dt> <dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch09.html#ipv6addresses">IPv6 addresses (AAAA)</a></span></dt></dl></dd> <dt><span class="sect1"><a href="Bv9ARM.ch09.html#bibliography">Bibliography (and Suggested Reading)</a></span></dt> <dd><dl> <dt><span class="sect2"><a href="Bv9ARM.ch09.html#rfcs">Request for Comments (RFCs)</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch09.html#internet_drafts">Internet Drafts</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch09.html#id2597447">Other Documents About <acronym class="acronym">BIND</acronym></a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch09.html#id2600348">Other Documents About <acronym class="acronym">BIND</acronym></a></span></dt> </dl></dd> </dl> </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2593927"></a>Acknowledgments</h2></div></div></div> +<a name="id2596828"></a>Acknowledgments</h2></div></div></div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> <a name="historical_dns_information"></a>A Brief History of the <acronym class="acronym">DNS</acronym> and <acronym class="acronym">BIND</acronym> @@ -164,7 +164,7 @@ </div> <div class="sect1" lang="en"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> -<a name="id2594099"></a>General <acronym class="acronym">DNS</acronym> Reference Information</h2></div></div></div> +<a name="id2597137"></a>General <acronym class="acronym">DNS</acronym> Reference Information</h2></div></div></div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> <a name="ipv6addresses"></a>IPv6 addresses (AAAA)</h3></div></div></div> @@ -252,17 +252,17 @@ </p> <div class="bibliography"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2594286"></a>Bibliography</h4></div></div></div> +<a name="id2597324"></a>Bibliography</h4></div></div></div> <div class="bibliodiv"> <h3 class="title">Standards</h3> <div class="biblioentry"> -<a name="id2594297"></a><p>[<abbr class="abbrev">RFC974</abbr>] <span class="author"><span class="firstname">C.</span> <span class="surname">Partridge</span>. </span><span class="title"><i>Mail Routing and the Domain System</i>. </span><span class="pubdate">January 1986. </span></p> +<a name="id2597335"></a><p>[<abbr class="abbrev">RFC974</abbr>] <span class="author"><span class="firstname">C.</span> <span class="surname">Partridge</span>. </span><span class="title"><i>Mail Routing and the Domain System</i>. </span><span class="pubdate">January 1986. </span></p> </div> <div class="biblioentry"> -<a name="id2594321"></a><p>[<abbr class="abbrev">RFC1034</abbr>] <span class="author"><span class="firstname">P.V.</span> <span class="surname">Mockapetris</span>. </span><span class="title"><i>Domain Names — Concepts and Facilities</i>. </span><span class="pubdate">November 1987. </span></p> +<a name="id2597427"></a><p>[<abbr class="abbrev">RFC1034</abbr>] <span class="author"><span class="firstname">P.V.</span> <span class="surname">Mockapetris</span>. </span><span class="title"><i>Domain Names — Concepts and Facilities</i>. </span><span class="pubdate">November 1987. </span></p> </div> <div class="biblioentry"> -<a name="id2594412"></a><p>[<abbr class="abbrev">RFC1035</abbr>] <span class="author"><span class="firstname">P. V.</span> <span class="surname">Mockapetris</span>. </span><span class="title"><i>Domain Names — Implementation and +<a name="id2597450"></a><p>[<abbr class="abbrev">RFC1035</abbr>] <span class="author"><span class="firstname">P. V.</span> <span class="surname">Mockapetris</span>. </span><span class="title"><i>Domain Names — Implementation and Specification</i>. </span><span class="pubdate">November 1987. </span></p> </div> </div> @@ -270,42 +270,42 @@ <h3 class="title"> <a name="proposed_standards"></a>Proposed Standards</h3> <div class="biblioentry"> -<a name="id2594449"></a><p>[<abbr class="abbrev">RFC2181</abbr>] <span class="author"><span class="firstname">R., R. Bush</span> <span class="surname">Elz</span>. </span><span class="title"><i>Clarifications to the <acronym class="acronym">DNS</acronym> +<a name="id2597486"></a><p>[<abbr class="abbrev">RFC2181</abbr>] <span class="author"><span class="firstname">R., R. Bush</span> <span class="surname">Elz</span>. </span><span class="title"><i>Clarifications to the <acronym class="acronym">DNS</acronym> Specification</i>. </span><span class="pubdate">July 1997. </span></p> </div> <div class="biblioentry"> -<a name="id2594475"></a><p>[<abbr class="abbrev">RFC2308</abbr>] <span class="author"><span class="firstname">M.</span> <span class="surname">Andrews</span>. </span><span class="title"><i>Negative Caching of <acronym class="acronym">DNS</acronym> +<a name="id2597513"></a><p>[<abbr class="abbrev">RFC2308</abbr>] <span class="author"><span class="firstname">M.</span> <span class="surname">Andrews</span>. </span><span class="title"><i>Negative Caching of <acronym class="acronym">DNS</acronym> Queries</i>. </span><span class="pubdate">March 1998. </span></p> </div> <div class="biblioentry"> -<a name="id2594501"></a><p>[<abbr class="abbrev">RFC1995</abbr>] <span class="author"><span class="firstname">M.</span> <span class="surname">Ohta</span>. </span><span class="title"><i>Incremental Zone Transfer in <acronym class="acronym">DNS</acronym></i>. </span><span class="pubdate">August 1996. </span></p> +<a name="id2597539"></a><p>[<abbr class="abbrev">RFC1995</abbr>] <span class="author"><span class="firstname">M.</span> <span class="surname">Ohta</span>. </span><span class="title"><i>Incremental Zone Transfer in <acronym class="acronym">DNS</acronym></i>. </span><span class="pubdate">August 1996. </span></p> </div> <div class="biblioentry"> -<a name="id2594525"></a><p>[<abbr class="abbrev">RFC1996</abbr>] <span class="author"><span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>A Mechanism for Prompt Notification of Zone Changes</i>. </span><span class="pubdate">August 1996. </span></p> +<a name="id2597563"></a><p>[<abbr class="abbrev">RFC1996</abbr>] <span class="author"><span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>A Mechanism for Prompt Notification of Zone Changes</i>. </span><span class="pubdate">August 1996. </span></p> </div> <div class="biblioentry"> -<a name="id2594549"></a><p>[<abbr class="abbrev">RFC2136</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Vixie</span>, <span class="firstname">S.</span> <span class="surname">Thomson</span>, <span class="firstname">Y.</span> <span class="surname">Rekhter</span>, and <span class="firstname">J.</span> <span class="surname">Bound</span>. </span><span class="title"><i>Dynamic Updates in the Domain Name System</i>. </span><span class="pubdate">April 1997. </span></p> +<a name="id2597587"></a><p>[<abbr class="abbrev">RFC2136</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Vixie</span>, <span class="firstname">S.</span> <span class="surname">Thomson</span>, <span class="firstname">Y.</span> <span class="surname">Rekhter</span>, and <span class="firstname">J.</span> <span class="surname">Bound</span>. </span><span class="title"><i>Dynamic Updates in the Domain Name System</i>. </span><span class="pubdate">April 1997. </span></p> </div> <div class="biblioentry"> -<a name="id2594604"></a><p>[<abbr class="abbrev">RFC2671</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>Extension Mechanisms for DNS (EDNS0)</i>. </span><span class="pubdate">August 1997. </span></p> +<a name="id2597642"></a><p>[<abbr class="abbrev">RFC2671</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>Extension Mechanisms for DNS (EDNS0)</i>. </span><span class="pubdate">August 1997. </span></p> </div> <div class="biblioentry"> -<a name="id2594631"></a><p>[<abbr class="abbrev">RFC2672</abbr>] <span class="authorgroup"><span class="firstname">M.</span> <span class="surname">Crawford</span>. </span><span class="title"><i>Non-Terminal DNS Name Redirection</i>. </span><span class="pubdate">August 1999. </span></p> +<a name="id2597669"></a><p>[<abbr class="abbrev">RFC2672</abbr>] <span class="authorgroup"><span class="firstname">M.</span> <span class="surname">Crawford</span>. </span><span class="title"><i>Non-Terminal DNS Name Redirection</i>. </span><span class="pubdate">August 1999. </span></p> </div> <div class="biblioentry"> -<a name="id2594658"></a><p>[<abbr class="abbrev">RFC2845</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Vixie</span>, <span class="firstname">O.</span> <span class="surname">Gudmundsson</span>, <span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>, and <span class="firstname">B.</span> <span class="surname">Wellington</span>. </span><span class="title"><i>Secret Key Transaction Authentication for <acronym class="acronym">DNS</acronym> (TSIG)</i>. </span><span class="pubdate">May 2000. </span></p> +<a name="id2597696"></a><p>[<abbr class="abbrev">RFC2845</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Vixie</span>, <span class="firstname">O.</span> <span class="surname">Gudmundsson</span>, <span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>, and <span class="firstname">B.</span> <span class="surname">Wellington</span>. </span><span class="title"><i>Secret Key Transaction Authentication for <acronym class="acronym">DNS</acronym> (TSIG)</i>. </span><span class="pubdate">May 2000. </span></p> </div> <div class="biblioentry"> -<a name="id2594788"></a><p>[<abbr class="abbrev">RFC2930</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Secret Key Establishment for DNS (TKEY RR)</i>. </span><span class="pubdate">September 2000. </span></p> +<a name="id2597757"></a><p>[<abbr class="abbrev">RFC2930</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Secret Key Establishment for DNS (TKEY RR)</i>. </span><span class="pubdate">September 2000. </span></p> </div> <div class="biblioentry"> -<a name="id2594818"></a><p>[<abbr class="abbrev">RFC2931</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>DNS Request and Transaction Signatures (SIG(0)s)</i>. </span><span class="pubdate">September 2000. </span></p> +<a name="id2597787"></a><p>[<abbr class="abbrev">RFC2931</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>DNS Request and Transaction Signatures (SIG(0)s)</i>. </span><span class="pubdate">September 2000. </span></p> </div> <div class="biblioentry"> -<a name="id2594848"></a><p>[<abbr class="abbrev">RFC3007</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Wellington</span>. </span><span class="title"><i>Secure Domain Name System (DNS) Dynamic Update</i>. </span><span class="pubdate">November 2000. </span></p> +<a name="id2597817"></a><p>[<abbr class="abbrev">RFC3007</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Wellington</span>. </span><span class="title"><i>Secure Domain Name System (DNS) Dynamic Update</i>. </span><span class="pubdate">November 2000. </span></p> </div> <div class="biblioentry"> -<a name="id2594874"></a><p>[<abbr class="abbrev">RFC3645</abbr>] <span class="authorgroup"><span class="firstname">S.</span> <span class="surname">Kwan</span>, <span class="firstname">P.</span> <span class="surname">Garg</span>, <span class="firstname">J.</span> <span class="surname">Gilroy</span>, <span class="firstname">L.</span> <span class="surname">Esibov</span>, <span class="firstname">J.</span> <span class="surname">Westhead</span>, and <span class="firstname">R.</span> <span class="surname">Hall</span>. </span><span class="title"><i>Generic Security Service Algorithm for Secret +<a name="id2597844"></a><p>[<abbr class="abbrev">RFC3645</abbr>] <span class="authorgroup"><span class="firstname">S.</span> <span class="surname">Kwan</span>, <span class="firstname">P.</span> <span class="surname">Garg</span>, <span class="firstname">J.</span> <span class="surname">Gilroy</span>, <span class="firstname">L.</span> <span class="surname">Esibov</span>, <span class="firstname">J.</span> <span class="surname">Westhead</span>, and <span class="firstname">R.</span> <span class="surname">Hall</span>. </span><span class="title"><i>Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG)</i>. </span><span class="pubdate">October 2003. </span></p> </div> @@ -314,19 +314,19 @@ <h3 class="title"> <acronym class="acronym">DNS</acronym> Security Proposed Standards</h3> <div class="biblioentry"> -<a name="id2594956"></a><p>[<abbr class="abbrev">RFC3225</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Conrad</span>. </span><span class="title"><i>Indicating Resolver Support of DNSSEC</i>. </span><span class="pubdate">December 2001. </span></p> +<a name="id2597926"></a><p>[<abbr class="abbrev">RFC3225</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Conrad</span>. </span><span class="title"><i>Indicating Resolver Support of DNSSEC</i>. </span><span class="pubdate">December 2001. </span></p> </div> <div class="biblioentry"> -<a name="id2594983"></a><p>[<abbr class="abbrev">RFC3833</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Atkins</span> and <span class="firstname">R.</span> <span class="surname">Austein</span>. </span><span class="title"><i>Threat Analysis of the Domain Name System (DNS)</i>. </span><span class="pubdate">August 2004. </span></p> +<a name="id2597953"></a><p>[<abbr class="abbrev">RFC3833</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Atkins</span> and <span class="firstname">R.</span> <span class="surname">Austein</span>. </span><span class="title"><i>Threat Analysis of the Domain Name System (DNS)</i>. </span><span class="pubdate">August 2004. </span></p> </div> <div class="biblioentry"> -<a name="id2595019"></a><p>[<abbr class="abbrev">RFC4033</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Arends</span>, <span class="firstname">R.</span> <span class="surname">Austein</span>, <span class="firstname">M.</span> <span class="surname">Larson</span>, <span class="firstname">D.</span> <span class="surname">Massey</span>, and <span class="firstname">S.</span> <span class="surname">Rose</span>. </span><span class="title"><i>DNS Security Introduction and Requirements</i>. </span><span class="pubdate">March 2005. </span></p> +<a name="id2597989"></a><p>[<abbr class="abbrev">RFC4033</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Arends</span>, <span class="firstname">R.</span> <span class="surname">Austein</span>, <span class="firstname">M.</span> <span class="surname">Larson</span>, <span class="firstname">D.</span> <span class="surname">Massey</span>, and <span class="firstname">S.</span> <span class="surname">Rose</span>. </span><span class="title"><i>DNS Security Introduction and Requirements</i>. </span><span class="pubdate">March 2005. </span></p> </div> <div class="biblioentry"> -<a name="id2595084"></a><p>[<abbr class="abbrev">RFC4044</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Arends</span>, <span class="firstname">R.</span> <span class="surname">Austein</span>, <span class="firstname">M.</span> <span class="surname">Larson</span>, <span class="firstname">D.</span> <span class="surname">Massey</span>, and <span class="firstname">S.</span> <span class="surname">Rose</span>. </span><span class="title"><i>Resource Records for the DNS Security Extensions</i>. </span><span class="pubdate">March 2005. </span></p> +<a name="id2598054"></a><p>[<abbr class="abbrev">RFC4044</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Arends</span>, <span class="firstname">R.</span> <span class="surname">Austein</span>, <span class="firstname">M.</span> <span class="surname">Larson</span>, <span class="firstname">D.</span> <span class="surname">Massey</span>, and <span class="firstname">S.</span> <span class="surname">Rose</span>. </span><span class="title"><i>Resource Records for the DNS Security Extensions</i>. </span><span class="pubdate">March 2005. </span></p> </div> <div class="biblioentry"> -<a name="id2595149"></a><p>[<abbr class="abbrev">RFC4035</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Arends</span>, <span class="firstname">R.</span> <span class="surname">Austein</span>, <span class="firstname">M.</span> <span class="surname">Larson</span>, <span class="firstname">D.</span> <span class="surname">Massey</span>, and <span class="firstname">S.</span> <span class="surname">Rose</span>. </span><span class="title"><i>Protocol Modifications for the DNS +<a name="id2598119"></a><p>[<abbr class="abbrev">RFC4035</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Arends</span>, <span class="firstname">R.</span> <span class="surname">Austein</span>, <span class="firstname">M.</span> <span class="surname">Larson</span>, <span class="firstname">D.</span> <span class="surname">Massey</span>, and <span class="firstname">S.</span> <span class="surname">Rose</span>. </span><span class="title"><i>Protocol Modifications for the DNS Security Extensions</i>. </span><span class="pubdate">March 2005. </span></p> </div> </div> @@ -334,146 +334,146 @@ <h3 class="title">Other Important RFCs About <acronym class="acronym">DNS</acronym> Implementation</h3> <div class="biblioentry"> -<a name="id2595223"></a><p>[<abbr class="abbrev">RFC1535</abbr>] <span class="author"><span class="firstname">E.</span> <span class="surname">Gavron</span>. </span><span class="title"><i>A Security Problem and Proposed Correction With Widely +<a name="id2598193"></a><p>[<abbr class="abbrev">RFC1535</abbr>] <span class="author"><span class="firstname">E.</span> <span class="surname">Gavron</span>. </span><span class="title"><i>A Security Problem and Proposed Correction With Widely Deployed <acronym class="acronym">DNS</acronym> Software.</i>. </span><span class="pubdate">October 1993. </span></p> </div> <div class="biblioentry"> -<a name="id2595249"></a><p>[<abbr class="abbrev">RFC1536</abbr>] <span class="authorgroup"><span class="firstname">A.</span> <span class="surname">Kumar</span>, <span class="firstname">J.</span> <span class="surname">Postel</span>, <span class="firstname">C.</span> <span class="surname">Neuman</span>, <span class="firstname">P.</span> <span class="surname">Danzig</span>, and <span class="firstname">S.</span> <span class="surname">Miller</span>. </span><span class="title"><i>Common <acronym class="acronym">DNS</acronym> Implementation +<a name="id2598218"></a><p>[<abbr class="abbrev">RFC1536</abbr>] <span class="authorgroup"><span class="firstname">A.</span> <span class="surname">Kumar</span>, <span class="firstname">J.</span> <span class="surname">Postel</span>, <span class="firstname">C.</span> <span class="surname">Neuman</span>, <span class="firstname">P.</span> <span class="surname">Danzig</span>, and <span class="firstname">S.</span> <span class="surname">Miller</span>. </span><span class="title"><i>Common <acronym class="acronym">DNS</acronym> Implementation Errors and Suggested Fixes</i>. </span><span class="pubdate">October 1993. </span></p> </div> <div class="biblioentry"> -<a name="id2595317"></a><p>[<abbr class="abbrev">RFC1982</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Elz</span> and <span class="firstname">R.</span> <span class="surname">Bush</span>. </span><span class="title"><i>Serial Number Arithmetic</i>. </span><span class="pubdate">August 1996. </span></p> +<a name="id2598286"></a><p>[<abbr class="abbrev">RFC1982</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Elz</span> and <span class="firstname">R.</span> <span class="surname">Bush</span>. </span><span class="title"><i>Serial Number Arithmetic</i>. </span><span class="pubdate">August 1996. </span></p> </div> <div class="biblioentry"> -<a name="id2595352"></a><p>[<abbr class="abbrev">RFC4074</abbr>] <span class="authorgroup"><span class="firstname">Y.</span> <span class="surname">Morishita</span> and <span class="firstname">T.</span> <span class="surname">Jinmei</span>. </span><span class="title"><i>Common Misbehaviour Against <acronym class="acronym">DNS</acronym> +<a name="id2598322"></a><p>[<abbr class="abbrev">RFC4074</abbr>] <span class="authorgroup"><span class="firstname">Y.</span> <span class="surname">Morishita</span> and <span class="firstname">T.</span> <span class="surname">Jinmei</span>. </span><span class="title"><i>Common Misbehaviour Against <acronym class="acronym">DNS</acronym> Queries for IPv6 Addresses</i>. </span><span class="pubdate">May 2005. </span></p> </div> </div> <div class="bibliodiv"> <h3 class="title">Resource Record Types</h3> <div class="biblioentry"> -<a name="id2595398"></a><p>[<abbr class="abbrev">RFC1183</abbr>] <span class="authorgroup"><span class="firstname">C.F.</span> <span class="surname">Everhart</span>, <span class="firstname">L. A.</span> <span class="surname">Mamakos</span>, <span class="firstname">R.</span> <span class="surname">Ullmann</span>, and <span class="firstname">P.</span> <span class="surname">Mockapetris</span>. </span><span class="title"><i>New <acronym class="acronym">DNS</acronym> RR Definitions</i>. </span><span class="pubdate">October 1990. </span></p> +<a name="id2598368"></a><p>[<abbr class="abbrev">RFC1183</abbr>] <span class="authorgroup"><span class="firstname">C.F.</span> <span class="surname">Everhart</span>, <span class="firstname">L. A.</span> <span class="surname">Mamakos</span>, <span class="firstname">R.</span> <span class="surname">Ullmann</span>, and <span class="firstname">P.</span> <span class="surname">Mockapetris</span>. </span><span class="title"><i>New <acronym class="acronym">DNS</acronym> RR Definitions</i>. </span><span class="pubdate">October 1990. </span></p> </div> <div class="biblioentry"> -<a name="id2595456"></a><p>[<abbr class="abbrev">RFC1706</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Manning</span> and <span class="firstname">R.</span> <span class="surname">Colella</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> NSAP Resource Records</i>. </span><span class="pubdate">October 1994. </span></p> +<a name="id2598425"></a><p>[<abbr class="abbrev">RFC1706</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Manning</span> and <span class="firstname">R.</span> <span class="surname">Colella</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> NSAP Resource Records</i>. </span><span class="pubdate">October 1994. </span></p> </div> <div class="biblioentry"> -<a name="id2595493"></a><p>[<abbr class="abbrev">RFC2168</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Daniel</span> and <span class="firstname">M.</span> <span class="surname">Mealling</span>. </span><span class="title"><i>Resolution of Uniform Resource Identifiers using +<a name="id2598462"></a><p>[<abbr class="abbrev">RFC2168</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Daniel</span> and <span class="firstname">M.</span> <span class="surname">Mealling</span>. </span><span class="title"><i>Resolution of Uniform Resource Identifiers using the Domain Name System</i>. </span><span class="pubdate">June 1997. </span></p> </div> <div class="biblioentry"> -<a name="id2595528"></a><p>[<abbr class="abbrev">RFC1876</abbr>] <span class="authorgroup"><span class="firstname">C.</span> <span class="surname">Davis</span>, <span class="firstname">P.</span> <span class="surname">Vixie</span>, <span class="firstname">T.</span>, and <span class="firstname">I.</span> <span class="surname">Dickinson</span>. </span><span class="title"><i>A Means for Expressing Location Information in the +<a name="id2598498"></a><p>[<abbr class="abbrev">RFC1876</abbr>] <span class="authorgroup"><span class="firstname">C.</span> <span class="surname">Davis</span>, <span class="firstname">P.</span> <span class="surname">Vixie</span>, <span class="firstname">T.</span>, and <span class="firstname">I.</span> <span class="surname">Dickinson</span>. </span><span class="title"><i>A Means for Expressing Location Information in the Domain Name System</i>. </span><span class="pubdate">January 1996. </span></p> </div> <div class="biblioentry"> -<a name="id2595582"></a><p>[<abbr class="abbrev">RFC2052</abbr>] <span class="authorgroup"><span class="firstname">A.</span> <span class="surname">Gulbrandsen</span> and <span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>A <acronym class="acronym">DNS</acronym> RR for Specifying the +<a name="id2598620"></a><p>[<abbr class="abbrev">RFC2052</abbr>] <span class="authorgroup"><span class="firstname">A.</span> <span class="surname">Gulbrandsen</span> and <span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>A <acronym class="acronym">DNS</acronym> RR for Specifying the Location of Services.</i>. </span><span class="pubdate">October 1996. </span></p> </div> <div class="biblioentry"> -<a name="id2595621"></a><p>[<abbr class="abbrev">RFC2163</abbr>] <span class="author"><span class="firstname">A.</span> <span class="surname">Allocchio</span>. </span><span class="title"><i>Using the Internet <acronym class="acronym">DNS</acronym> to +<a name="id2598659"></a><p>[<abbr class="abbrev">RFC2163</abbr>] <span class="author"><span class="firstname">A.</span> <span class="surname">Allocchio</span>. </span><span class="title"><i>Using the Internet <acronym class="acronym">DNS</acronym> to Distribute MIXER Conformant Global Address Mapping</i>. </span><span class="pubdate">January 1998. </span></p> </div> <div class="biblioentry"> -<a name="id2595646"></a><p>[<abbr class="abbrev">RFC2230</abbr>] <span class="author"><span class="firstname">R.</span> <span class="surname">Atkinson</span>. </span><span class="title"><i>Key Exchange Delegation Record for the <acronym class="acronym">DNS</acronym></i>. </span><span class="pubdate">October 1997. </span></p> +<a name="id2598684"></a><p>[<abbr class="abbrev">RFC2230</abbr>] <span class="author"><span class="firstname">R.</span> <span class="surname">Atkinson</span>. </span><span class="title"><i>Key Exchange Delegation Record for the <acronym class="acronym">DNS</acronym></i>. </span><span class="pubdate">October 1997. </span></p> </div> <div class="biblioentry"> -<a name="id2595672"></a><p>[<abbr class="abbrev">RFC2536</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>DSA KEYs and SIGs in the Domain Name System (DNS)</i>. </span><span class="pubdate">March 1999. </span></p> +<a name="id2598710"></a><p>[<abbr class="abbrev">RFC2536</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>DSA KEYs and SIGs in the Domain Name System (DNS)</i>. </span><span class="pubdate">March 1999. </span></p> </div> <div class="biblioentry"> -<a name="id2595699"></a><p>[<abbr class="abbrev">RFC2537</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>RSA/MD5 KEYs and SIGs in the Domain Name System (DNS)</i>. </span><span class="pubdate">March 1999. </span></p> +<a name="id2598737"></a><p>[<abbr class="abbrev">RFC2537</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>RSA/MD5 KEYs and SIGs in the Domain Name System (DNS)</i>. </span><span class="pubdate">March 1999. </span></p> </div> <div class="biblioentry"> -<a name="id2595794"></a><p>[<abbr class="abbrev">RFC2538</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span> and <span class="firstname">O.</span> <span class="surname">Gudmundsson</span>. </span><span class="title"><i>Storing Certificates in the Domain Name System (DNS)</i>. </span><span class="pubdate">March 1999. </span></p> +<a name="id2598763"></a><p>[<abbr class="abbrev">RFC2538</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span> and <span class="firstname">O.</span> <span class="surname">Gudmundsson</span>. </span><span class="title"><i>Storing Certificates in the Domain Name System (DNS)</i>. </span><span class="pubdate">March 1999. </span></p> </div> <div class="biblioentry"> -<a name="id2595833"></a><p>[<abbr class="abbrev">RFC2539</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Storage of Diffie-Hellman Keys in the Domain Name System (DNS)</i>. </span><span class="pubdate">March 1999. </span></p> +<a name="id2598803"></a><p>[<abbr class="abbrev">RFC2539</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Storage of Diffie-Hellman Keys in the Domain Name System (DNS)</i>. </span><span class="pubdate">March 1999. </span></p> </div> <div class="biblioentry"> -<a name="id2595863"></a><p>[<abbr class="abbrev">RFC2540</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Detached Domain Name System (DNS) Information</i>. </span><span class="pubdate">March 1999. </span></p> +<a name="id2598833"></a><p>[<abbr class="abbrev">RFC2540</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Detached Domain Name System (DNS) Information</i>. </span><span class="pubdate">March 1999. </span></p> </div> <div class="biblioentry"> -<a name="id2595893"></a><p>[<abbr class="abbrev">RFC2782</abbr>] <span class="author"><span class="firstname">A.</span> <span class="surname">Gulbrandsen</span>. </span><span class="author"><span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="author"><span class="firstname">L.</span> <span class="surname">Esibov</span>. </span><span class="title"><i>A DNS RR for specifying the location of services (DNS SRV)</i>. </span><span class="pubdate">February 2000. </span></p> +<a name="id2598862"></a><p>[<abbr class="abbrev">RFC2782</abbr>] <span class="author"><span class="firstname">A.</span> <span class="surname">Gulbrandsen</span>. </span><span class="author"><span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="author"><span class="firstname">L.</span> <span class="surname">Esibov</span>. </span><span class="title"><i>A DNS RR for specifying the location of services (DNS SRV)</i>. </span><span class="pubdate">February 2000. </span></p> </div> <div class="biblioentry"> -<a name="id2595936"></a><p>[<abbr class="abbrev">RFC2915</abbr>] <span class="author"><span class="firstname">M.</span> <span class="surname">Mealling</span>. </span><span class="author"><span class="firstname">R.</span> <span class="surname">Daniel</span>. </span><span class="title"><i>The Naming Authority Pointer (NAPTR) DNS Resource Record</i>. </span><span class="pubdate">September 2000. </span></p> +<a name="id2598905"></a><p>[<abbr class="abbrev">RFC2915</abbr>] <span class="author"><span class="firstname">M.</span> <span class="surname">Mealling</span>. </span><span class="author"><span class="firstname">R.</span> <span class="surname">Daniel</span>. </span><span class="title"><i>The Naming Authority Pointer (NAPTR) DNS Resource Record</i>. </span><span class="pubdate">September 2000. </span></p> </div> <div class="biblioentry"> -<a name="id2595969"></a><p>[<abbr class="abbrev">RFC3110</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>RSA/SHA-1 SIGs and RSA KEYs in the Domain Name System (DNS)</i>. </span><span class="pubdate">May 2001. </span></p> +<a name="id2598938"></a><p>[<abbr class="abbrev">RFC3110</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>RSA/SHA-1 SIGs and RSA KEYs in the Domain Name System (DNS)</i>. </span><span class="pubdate">May 2001. </span></p> </div> <div class="biblioentry"> -<a name="id2595995"></a><p>[<abbr class="abbrev">RFC3123</abbr>] <span class="author"><span class="firstname">P.</span> <span class="surname">Koch</span>. </span><span class="title"><i>A DNS RR Type for Lists of Address Prefixes (APL RR)</i>. </span><span class="pubdate">June 2001. </span></p> +<a name="id2598965"></a><p>[<abbr class="abbrev">RFC3123</abbr>] <span class="author"><span class="firstname">P.</span> <span class="surname">Koch</span>. </span><span class="title"><i>A DNS RR Type for Lists of Address Prefixes (APL RR)</i>. </span><span class="pubdate">June 2001. </span></p> </div> <div class="biblioentry"> -<a name="id2596019"></a><p>[<abbr class="abbrev">RFC3596</abbr>] <span class="authorgroup"><span class="firstname">S.</span> <span class="surname">Thomson</span>, <span class="firstname">C.</span> <span class="surname">Huitema</span>, <span class="firstname">V.</span> <span class="surname">Ksinant</span>, and <span class="firstname">M.</span> <span class="surname">Souissi</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> Extensions to support IP +<a name="id2598988"></a><p>[<abbr class="abbrev">RFC3596</abbr>] <span class="authorgroup"><span class="firstname">S.</span> <span class="surname">Thomson</span>, <span class="firstname">C.</span> <span class="surname">Huitema</span>, <span class="firstname">V.</span> <span class="surname">Ksinant</span>, and <span class="firstname">M.</span> <span class="surname">Souissi</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> Extensions to support IP version 6</i>. </span><span class="pubdate">October 2003. </span></p> </div> <div class="biblioentry"> -<a name="id2596076"></a><p>[<abbr class="abbrev">RFC3597</abbr>] <span class="author"><span class="firstname">A.</span> <span class="surname">Gustafsson</span>. </span><span class="title"><i>Handling of Unknown DNS Resource Record (RR) Types</i>. </span><span class="pubdate">September 2003. </span></p> +<a name="id2599046"></a><p>[<abbr class="abbrev">RFC3597</abbr>] <span class="author"><span class="firstname">A.</span> <span class="surname">Gustafsson</span>. </span><span class="title"><i>Handling of Unknown DNS Resource Record (RR) Types</i>. </span><span class="pubdate">September 2003. </span></p> </div> </div> <div class="bibliodiv"> <h3 class="title"> <acronym class="acronym">DNS</acronym> and the Internet</h3> <div class="biblioentry"> -<a name="id2596108"></a><p>[<abbr class="abbrev">RFC1101</abbr>] <span class="author"><span class="firstname">P. V.</span> <span class="surname">Mockapetris</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> Encoding of Network Names +<a name="id2599078"></a><p>[<abbr class="abbrev">RFC1101</abbr>] <span class="author"><span class="firstname">P. V.</span> <span class="surname">Mockapetris</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> Encoding of Network Names and Other Types</i>. </span><span class="pubdate">April 1989. </span></p> </div> <div class="biblioentry"> -<a name="id2596134"></a><p>[<abbr class="abbrev">RFC1123</abbr>] <span class="author"><span class="surname">Braden</span>. </span><span class="title"><i>Requirements for Internet Hosts - Application and +<a name="id2599104"></a><p>[<abbr class="abbrev">RFC1123</abbr>] <span class="author"><span class="surname">Braden</span>. </span><span class="title"><i>Requirements for Internet Hosts - Application and Support</i>. </span><span class="pubdate">October 1989. </span></p> </div> <div class="biblioentry"> -<a name="id2596156"></a><p>[<abbr class="abbrev">RFC1591</abbr>] <span class="author"><span class="firstname">J.</span> <span class="surname">Postel</span>. </span><span class="title"><i>Domain Name System Structure and Delegation</i>. </span><span class="pubdate">March 1994. </span></p> +<a name="id2599126"></a><p>[<abbr class="abbrev">RFC1591</abbr>] <span class="author"><span class="firstname">J.</span> <span class="surname">Postel</span>. </span><span class="title"><i>Domain Name System Structure and Delegation</i>. </span><span class="pubdate">March 1994. </span></p> </div> <div class="biblioentry"> -<a name="id2596180"></a><p>[<abbr class="abbrev">RFC2317</abbr>] <span class="authorgroup"><span class="firstname">H.</span> <span class="surname">Eidnes</span>, <span class="firstname">G.</span> <span class="surname">de Groot</span>, and <span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>Classless IN-ADDR.ARPA Delegation</i>. </span><span class="pubdate">March 1998. </span></p> +<a name="id2599149"></a><p>[<abbr class="abbrev">RFC2317</abbr>] <span class="authorgroup"><span class="firstname">H.</span> <span class="surname">Eidnes</span>, <span class="firstname">G.</span> <span class="surname">de Groot</span>, and <span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>Classless IN-ADDR.ARPA Delegation</i>. </span><span class="pubdate">March 1998. </span></p> </div> <div class="biblioentry"> -<a name="id2596226"></a><p>[<abbr class="abbrev">RFC2826</abbr>] <span class="authorgroup"><span class="surname">Internet Architecture Board</span>. </span><span class="title"><i>IAB Technical Comment on the Unique DNS Root</i>. </span><span class="pubdate">May 2000. </span></p> +<a name="id2599195"></a><p>[<abbr class="abbrev">RFC2826</abbr>] <span class="authorgroup"><span class="surname">Internet Architecture Board</span>. </span><span class="title"><i>IAB Technical Comment on the Unique DNS Root</i>. </span><span class="pubdate">May 2000. </span></p> </div> <div class="biblioentry"> -<a name="id2596249"></a><p>[<abbr class="abbrev">RFC2929</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>, <span class="firstname">E.</span> <span class="surname">Brunner-Williams</span>, and <span class="firstname">B.</span> <span class="surname">Manning</span>. </span><span class="title"><i>Domain Name System (DNS) IANA Considerations</i>. </span><span class="pubdate">September 2000. </span></p> +<a name="id2599219"></a><p>[<abbr class="abbrev">RFC2929</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>, <span class="firstname">E.</span> <span class="surname">Brunner-Williams</span>, and <span class="firstname">B.</span> <span class="surname">Manning</span>. </span><span class="title"><i>Domain Name System (DNS) IANA Considerations</i>. </span><span class="pubdate">September 2000. </span></p> </div> </div> <div class="bibliodiv"> <h3 class="title"> <acronym class="acronym">DNS</acronym> Operations</h3> <div class="biblioentry"> -<a name="id2596307"></a><p>[<abbr class="abbrev">RFC1033</abbr>] <span class="author"><span class="firstname">M.</span> <span class="surname">Lottor</span>. </span><span class="title"><i>Domain administrators operations guide.</i>. </span><span class="pubdate">November 1987. </span></p> +<a name="id2599276"></a><p>[<abbr class="abbrev">RFC1033</abbr>] <span class="author"><span class="firstname">M.</span> <span class="surname">Lottor</span>. </span><span class="title"><i>Domain administrators operations guide.</i>. </span><span class="pubdate">November 1987. </span></p> </div> <div class="biblioentry"> -<a name="id2596330"></a><p>[<abbr class="abbrev">RFC1537</abbr>] <span class="author"><span class="firstname">P.</span> <span class="surname">Beertema</span>. </span><span class="title"><i>Common <acronym class="acronym">DNS</acronym> Data File +<a name="id2599300"></a><p>[<abbr class="abbrev">RFC1537</abbr>] <span class="author"><span class="firstname">P.</span> <span class="surname">Beertema</span>. </span><span class="title"><i>Common <acronym class="acronym">DNS</acronym> Data File Configuration Errors</i>. </span><span class="pubdate">October 1993. </span></p> </div> <div class="biblioentry"> -<a name="id2596357"></a><p>[<abbr class="abbrev">RFC1912</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Barr</span>. </span><span class="title"><i>Common <acronym class="acronym">DNS</acronym> Operational and +<a name="id2599326"></a><p>[<abbr class="abbrev">RFC1912</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Barr</span>. </span><span class="title"><i>Common <acronym class="acronym">DNS</acronym> Operational and Configuration Errors</i>. </span><span class="pubdate">February 1996. </span></p> </div> <div class="biblioentry"> -<a name="id2596384"></a><p>[<abbr class="abbrev">RFC2010</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Manning</span> and <span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>Operational Criteria for Root Name Servers.</i>. </span><span class="pubdate">October 1996. </span></p> +<a name="id2599353"></a><p>[<abbr class="abbrev">RFC2010</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Manning</span> and <span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>Operational Criteria for Root Name Servers.</i>. </span><span class="pubdate">October 1996. </span></p> </div> <div class="biblioentry"> -<a name="id2596420"></a><p>[<abbr class="abbrev">RFC2219</abbr>] <span class="authorgroup"><span class="firstname">M.</span> <span class="surname">Hamilton</span> and <span class="firstname">R.</span> <span class="surname">Wright</span>. </span><span class="title"><i>Use of <acronym class="acronym">DNS</acronym> Aliases for +<a name="id2599389"></a><p>[<abbr class="abbrev">RFC2219</abbr>] <span class="authorgroup"><span class="firstname">M.</span> <span class="surname">Hamilton</span> and <span class="firstname">R.</span> <span class="surname">Wright</span>. </span><span class="title"><i>Use of <acronym class="acronym">DNS</acronym> Aliases for Network Services.</i>. </span><span class="pubdate">October 1997. </span></p> </div> </div> <div class="bibliodiv"> <h3 class="title">Internationalized Domain Names</h3> <div class="biblioentry"> -<a name="id2596466"></a><p>[<abbr class="abbrev">RFC2825</abbr>] <span class="authorgroup"><span class="surname">IAB</span> and <span class="firstname">R.</span> <span class="surname">Daigle</span>. </span><span class="title"><i>A Tangled Web: Issues of I18N, Domain Names, +<a name="id2599435"></a><p>[<abbr class="abbrev">RFC2825</abbr>] <span class="authorgroup"><span class="surname">IAB</span> and <span class="firstname">R.</span> <span class="surname">Daigle</span>. </span><span class="title"><i>A Tangled Web: Issues of I18N, Domain Names, and the Other Internet protocols</i>. </span><span class="pubdate">May 2000. </span></p> </div> <div class="biblioentry"> -<a name="id2596498"></a><p>[<abbr class="abbrev">RFC3490</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Faltstrom</span>, <span class="firstname">P.</span> <span class="surname">Hoffman</span>, and <span class="firstname">A.</span> <span class="surname">Costello</span>. </span><span class="title"><i>Internationalizing Domain Names in Applications (IDNA)</i>. </span><span class="pubdate">March 2003. </span></p> +<a name="id2599467"></a><p>[<abbr class="abbrev">RFC3490</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Faltstrom</span>, <span class="firstname">P.</span> <span class="surname">Hoffman</span>, and <span class="firstname">A.</span> <span class="surname">Costello</span>. </span><span class="title"><i>Internationalizing Domain Names in Applications (IDNA)</i>. </span><span class="pubdate">March 2003. </span></p> </div> <div class="biblioentry"> -<a name="id2596544"></a><p>[<abbr class="abbrev">RFC3491</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Hoffman</span> and <span class="firstname">M.</span> <span class="surname">Blanchet</span>. </span><span class="title"><i>Nameprep: A Stringprep Profile for Internationalized Domain Names</i>. </span><span class="pubdate">March 2003. </span></p> +<a name="id2599513"></a><p>[<abbr class="abbrev">RFC3491</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Hoffman</span> and <span class="firstname">M.</span> <span class="surname">Blanchet</span>. </span><span class="title"><i>Nameprep: A Stringprep Profile for Internationalized Domain Names</i>. </span><span class="pubdate">March 2003. </span></p> </div> <div class="biblioentry"> -<a name="id2596579"></a><p>[<abbr class="abbrev">RFC3492</abbr>] <span class="authorgroup"><span class="firstname">A.</span> <span class="surname">Costello</span>. </span><span class="title"><i>Punycode: A Bootstring encoding of Unicode +<a name="id2599548"></a><p>[<abbr class="abbrev">RFC3492</abbr>] <span class="authorgroup"><span class="firstname">A.</span> <span class="surname">Costello</span>. </span><span class="title"><i>Punycode: A Bootstring encoding of Unicode for Internationalized Domain Names in Applications (IDNA)</i>. </span><span class="pubdate">March 2003. </span></p> </div> @@ -489,47 +489,47 @@ </p> </div> <div class="biblioentry"> -<a name="id2596624"></a><p>[<abbr class="abbrev">RFC1464</abbr>] <span class="author"><span class="firstname">R.</span> <span class="surname">Rosenbaum</span>. </span><span class="title"><i>Using the Domain Name System To Store Arbitrary String +<a name="id2599593"></a><p>[<abbr class="abbrev">RFC1464</abbr>] <span class="author"><span class="firstname">R.</span> <span class="surname">Rosenbaum</span>. </span><span class="title"><i>Using the Domain Name System To Store Arbitrary String Attributes</i>. </span><span class="pubdate">May 1993. </span></p> </div> <div class="biblioentry"> -<a name="id2596646"></a><p>[<abbr class="abbrev">RFC1713</abbr>] <span class="author"><span class="firstname">A.</span> <span class="surname">Romao</span>. </span><span class="title"><i>Tools for <acronym class="acronym">DNS</acronym> Debugging</i>. </span><span class="pubdate">November 1994. </span></p> +<a name="id2599616"></a><p>[<abbr class="abbrev">RFC1713</abbr>] <span class="author"><span class="firstname">A.</span> <span class="surname">Romao</span>. </span><span class="title"><i>Tools for <acronym class="acronym">DNS</acronym> Debugging</i>. </span><span class="pubdate">November 1994. </span></p> </div> <div class="biblioentry"> -<a name="id2596672"></a><p>[<abbr class="abbrev">RFC1794</abbr>] <span class="author"><span class="firstname">T.</span> <span class="surname">Brisco</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> Support for Load +<a name="id2599641"></a><p>[<abbr class="abbrev">RFC1794</abbr>] <span class="author"><span class="firstname">T.</span> <span class="surname">Brisco</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> Support for Load Balancing</i>. </span><span class="pubdate">April 1995. </span></p> </div> <div class="biblioentry"> -<a name="id2596697"></a><p>[<abbr class="abbrev">RFC2240</abbr>] <span class="author"><span class="firstname">O.</span> <span class="surname">Vaughan</span>. </span><span class="title"><i>A Legal Basis for Domain Name Allocation</i>. </span><span class="pubdate">November 1997. </span></p> +<a name="id2599667"></a><p>[<abbr class="abbrev">RFC2240</abbr>] <span class="author"><span class="firstname">O.</span> <span class="surname">Vaughan</span>. </span><span class="title"><i>A Legal Basis for Domain Name Allocation</i>. </span><span class="pubdate">November 1997. </span></p> </div> <div class="biblioentry"> -<a name="id2596721"></a><p>[<abbr class="abbrev">RFC2345</abbr>] <span class="authorgroup"><span class="firstname">J.</span> <span class="surname">Klensin</span>, <span class="firstname">T.</span> <span class="surname">Wolf</span>, and <span class="firstname">G.</span> <span class="surname">Oglesby</span>. </span><span class="title"><i>Domain Names and Company Name Retrieval</i>. </span><span class="pubdate">May 1998. </span></p> +<a name="id2599690"></a><p>[<abbr class="abbrev">RFC2345</abbr>] <span class="authorgroup"><span class="firstname">J.</span> <span class="surname">Klensin</span>, <span class="firstname">T.</span> <span class="surname">Wolf</span>, and <span class="firstname">G.</span> <span class="surname">Oglesby</span>. </span><span class="title"><i>Domain Names and Company Name Retrieval</i>. </span><span class="pubdate">May 1998. </span></p> </div> <div class="biblioentry"> -<a name="id2596835"></a><p>[<abbr class="abbrev">RFC2352</abbr>] <span class="author"><span class="firstname">O.</span> <span class="surname">Vaughan</span>. </span><span class="title"><i>A Convention For Using Legal Names as Domain Names</i>. </span><span class="pubdate">May 1998. </span></p> +<a name="id2599736"></a><p>[<abbr class="abbrev">RFC2352</abbr>] <span class="author"><span class="firstname">O.</span> <span class="surname">Vaughan</span>. </span><span class="title"><i>A Convention For Using Legal Names as Domain Names</i>. </span><span class="pubdate">May 1998. </span></p> </div> <div class="biblioentry"> -<a name="id2596858"></a><p>[<abbr class="abbrev">RFC3071</abbr>] <span class="authorgroup"><span class="firstname">J.</span> <span class="surname">Klensin</span>. </span><span class="title"><i>Reflections on the DNS, RFC 1591, and Categories of Domains</i>. </span><span class="pubdate">February 2001. </span></p> +<a name="id2599760"></a><p>[<abbr class="abbrev">RFC3071</abbr>] <span class="authorgroup"><span class="firstname">J.</span> <span class="surname">Klensin</span>. </span><span class="title"><i>Reflections on the DNS, RFC 1591, and Categories of Domains</i>. </span><span class="pubdate">February 2001. </span></p> </div> <div class="biblioentry"> -<a name="id2596885"></a><p>[<abbr class="abbrev">RFC3258</abbr>] <span class="authorgroup"><span class="firstname">T.</span> <span class="surname">Hardie</span>. </span><span class="title"><i>Distributing Authoritative Name Servers via +<a name="id2599786"></a><p>[<abbr class="abbrev">RFC3258</abbr>] <span class="authorgroup"><span class="firstname">T.</span> <span class="surname">Hardie</span>. </span><span class="title"><i>Distributing Authoritative Name Servers via Shared Unicast Addresses</i>. </span><span class="pubdate">April 2002. </span></p> </div> <div class="biblioentry"> -<a name="id2596910"></a><p>[<abbr class="abbrev">RFC3901</abbr>] <span class="authorgroup"><span class="firstname">A.</span> <span class="surname">Durand</span> and <span class="firstname">J.</span> <span class="surname">Ihren</span>. </span><span class="title"><i>DNS IPv6 Transport Operational Guidelines</i>. </span><span class="pubdate">September 2004. </span></p> +<a name="id2599812"></a><p>[<abbr class="abbrev">RFC3901</abbr>] <span class="authorgroup"><span class="firstname">A.</span> <span class="surname">Durand</span> and <span class="firstname">J.</span> <span class="surname">Ihren</span>. </span><span class="title"><i>DNS IPv6 Transport Operational Guidelines</i>. </span><span class="pubdate">September 2004. </span></p> </div> </div> <div class="bibliodiv"> <h3 class="title">Obsolete and Unimplemented Experimental RFC</h3> <div class="biblioentry"> -<a name="id2596954"></a><p>[<abbr class="abbrev">RFC1712</abbr>] <span class="authorgroup"><span class="firstname">C.</span> <span class="surname">Farrell</span>, <span class="firstname">M.</span> <span class="surname">Schulze</span>, <span class="firstname">S.</span> <span class="surname">Pleitner</span>, and <span class="firstname">D.</span> <span class="surname">Baldoni</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> Encoding of Geographical +<a name="id2599856"></a><p>[<abbr class="abbrev">RFC1712</abbr>] <span class="authorgroup"><span class="firstname">C.</span> <span class="surname">Farrell</span>, <span class="firstname">M.</span> <span class="surname">Schulze</span>, <span class="firstname">S.</span> <span class="surname">Pleitner</span>, and <span class="firstname">D.</span> <span class="surname">Baldoni</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> Encoding of Geographical Location</i>. </span><span class="pubdate">November 1994. </span></p> </div> <div class="biblioentry"> -<a name="id2597012"></a><p>[<abbr class="abbrev">RFC2673</abbr>] <span class="authorgroup"><span class="firstname">M.</span> <span class="surname">Crawford</span>. </span><span class="title"><i>Binary Labels in the Domain Name System</i>. </span><span class="pubdate">August 1999. </span></p> +<a name="id2599913"></a><p>[<abbr class="abbrev">RFC2673</abbr>] <span class="authorgroup"><span class="firstname">M.</span> <span class="surname">Crawford</span>. </span><span class="title"><i>Binary Labels in the Domain Name System</i>. </span><span class="pubdate">August 1999. </span></p> </div> <div class="biblioentry"> -<a name="id2597038"></a><p>[<abbr class="abbrev">RFC2874</abbr>] <span class="authorgroup"><span class="firstname">M.</span> <span class="surname">Crawford</span> and <span class="firstname">C.</span> <span class="surname">Huitema</span>. </span><span class="title"><i>DNS Extensions to Support IPv6 Address Aggregation +<a name="id2599940"></a><p>[<abbr class="abbrev">RFC2874</abbr>] <span class="authorgroup"><span class="firstname">M.</span> <span class="surname">Crawford</span> and <span class="firstname">C.</span> <span class="surname">Huitema</span>. </span><span class="title"><i>DNS Extensions to Support IPv6 Address Aggregation and Renumbering</i>. </span><span class="pubdate">July 2000. </span></p> </div> </div> @@ -543,39 +543,39 @@ </p> </div> <div class="biblioentry"> -<a name="id2597086"></a><p>[<abbr class="abbrev">RFC2065</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span> and <span class="firstname">C.</span> <span class="surname">Kaufman</span>. </span><span class="title"><i>Domain Name System Security Extensions</i>. </span><span class="pubdate">January 1997. </span></p> +<a name="id2599988"></a><p>[<abbr class="abbrev">RFC2065</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span> and <span class="firstname">C.</span> <span class="surname">Kaufman</span>. </span><span class="title"><i>Domain Name System Security Extensions</i>. </span><span class="pubdate">January 1997. </span></p> </div> <div class="biblioentry"> -<a name="id2597126"></a><p>[<abbr class="abbrev">RFC2137</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Secure Domain Name System Dynamic Update</i>. </span><span class="pubdate">April 1997. </span></p> +<a name="id2600027"></a><p>[<abbr class="abbrev">RFC2137</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Secure Domain Name System Dynamic Update</i>. </span><span class="pubdate">April 1997. </span></p> </div> <div class="biblioentry"> -<a name="id2597153"></a><p>[<abbr class="abbrev">RFC2535</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Domain Name System Security Extensions</i>. </span><span class="pubdate">March 1999. </span></p> +<a name="id2600054"></a><p>[<abbr class="abbrev">RFC2535</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Domain Name System Security Extensions</i>. </span><span class="pubdate">March 1999. </span></p> </div> <div class="biblioentry"> -<a name="id2597182"></a><p>[<abbr class="abbrev">RFC3008</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Wellington</span>. </span><span class="title"><i>Domain Name System Security (DNSSEC) +<a name="id2600084"></a><p>[<abbr class="abbrev">RFC3008</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Wellington</span>. </span><span class="title"><i>Domain Name System Security (DNSSEC) Signing Authority</i>. </span><span class="pubdate">November 2000. </span></p> </div> <div class="biblioentry"> -<a name="id2597208"></a><p>[<abbr class="abbrev">RFC3090</abbr>] <span class="authorgroup"><span class="firstname">E.</span> <span class="surname">Lewis</span>. </span><span class="title"><i>DNS Security Extension Clarification on Zone Status</i>. </span><span class="pubdate">March 2001. </span></p> +<a name="id2600109"></a><p>[<abbr class="abbrev">RFC3090</abbr>] <span class="authorgroup"><span class="firstname">E.</span> <span class="surname">Lewis</span>. </span><span class="title"><i>DNS Security Extension Clarification on Zone Status</i>. </span><span class="pubdate">March 2001. </span></p> </div> <div class="biblioentry"> -<a name="id2597235"></a><p>[<abbr class="abbrev">RFC3445</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Massey</span> and <span class="firstname">S.</span> <span class="surname">Rose</span>. </span><span class="title"><i>Limiting the Scope of the KEY Resource Record (RR)</i>. </span><span class="pubdate">December 2002. </span></p> +<a name="id2600136"></a><p>[<abbr class="abbrev">RFC3445</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Massey</span> and <span class="firstname">S.</span> <span class="surname">Rose</span>. </span><span class="title"><i>Limiting the Scope of the KEY Resource Record (RR)</i>. </span><span class="pubdate">December 2002. </span></p> </div> <div class="biblioentry"> -<a name="id2597271"></a><p>[<abbr class="abbrev">RFC3655</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Wellington</span> and <span class="firstname">O.</span> <span class="surname">Gudmundsson</span>. </span><span class="title"><i>Redefinition of DNS Authenticated Data (AD) bit</i>. </span><span class="pubdate">November 2003. </span></p> +<a name="id2600172"></a><p>[<abbr class="abbrev">RFC3655</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Wellington</span> and <span class="firstname">O.</span> <span class="surname">Gudmundsson</span>. </span><span class="title"><i>Redefinition of DNS Authenticated Data (AD) bit</i>. </span><span class="pubdate">November 2003. </span></p> </div> <div class="biblioentry"> -<a name="id2597307"></a><p>[<abbr class="abbrev">RFC3658</abbr>] <span class="authorgroup"><span class="firstname">O.</span> <span class="surname">Gudmundsson</span>. </span><span class="title"><i>Delegation Signer (DS) Resource Record (RR)</i>. </span><span class="pubdate">December 2003. </span></p> +<a name="id2600209"></a><p>[<abbr class="abbrev">RFC3658</abbr>] <span class="authorgroup"><span class="firstname">O.</span> <span class="surname">Gudmundsson</span>. </span><span class="title"><i>Delegation Signer (DS) Resource Record (RR)</i>. </span><span class="pubdate">December 2003. </span></p> </div> <div class="biblioentry"> -<a name="id2597334"></a><p>[<abbr class="abbrev">RFC3755</abbr>] <span class="authorgroup"><span class="firstname">S.</span> <span class="surname">Weiler</span>. </span><span class="title"><i>Legacy Resolver Compatibility for Delegation Signer (DS)</i>. </span><span class="pubdate">May 2004. </span></p> +<a name="id2600235"></a><p>[<abbr class="abbrev">RFC3755</abbr>] <span class="authorgroup"><span class="firstname">S.</span> <span class="surname">Weiler</span>. </span><span class="title"><i>Legacy Resolver Compatibility for Delegation Signer (DS)</i>. </span><span class="pubdate">May 2004. </span></p> </div> <div class="biblioentry"> -<a name="id2597361"></a><p>[<abbr class="abbrev">RFC3757</abbr>] <span class="authorgroup"><span class="firstname">O.</span> <span class="surname">Kolkman</span>, <span class="firstname">J.</span> <span class="surname">Schlyter</span>, and <span class="firstname">E.</span> <span class="surname">Lewis</span>. </span><span class="title"><i>Domain Name System KEY (DNSKEY) Resource Record +<a name="id2600262"></a><p>[<abbr class="abbrev">RFC3757</abbr>] <span class="authorgroup"><span class="firstname">O.</span> <span class="surname">Kolkman</span>, <span class="firstname">J.</span> <span class="surname">Schlyter</span>, and <span class="firstname">E.</span> <span class="surname">Lewis</span>. </span><span class="title"><i>Domain Name System KEY (DNSKEY) Resource Record (RR) Secure Entry Point (SEP) Flag</i>. </span><span class="pubdate">April 2004. </span></p> </div> <div class="biblioentry"> -<a name="id2597405"></a><p>[<abbr class="abbrev">RFC3845</abbr>] <span class="authorgroup"><span class="firstname">J.</span> <span class="surname">Schlyter</span>. </span><span class="title"><i>DNS Security (DNSSEC) NextSECure (NSEC) RDATA Format</i>. </span><span class="pubdate">August 2004. </span></p> +<a name="id2600307"></a><p>[<abbr class="abbrev">RFC3845</abbr>] <span class="authorgroup"><span class="firstname">J.</span> <span class="surname">Schlyter</span>. </span><span class="title"><i>DNS Security (DNSSEC) NextSECure (NSEC) RDATA Format</i>. </span><span class="pubdate">August 2004. </span></p> </div> </div> </div> @@ -596,14 +596,14 @@ </div> <div class="sect2" lang="en"> <div class="titlepage"><div><div><h3 class="title"> -<a name="id2597447"></a>Other Documents About <acronym class="acronym">BIND</acronym> +<a name="id2600348"></a>Other Documents About <acronym class="acronym">BIND</acronym> </h3></div></div></div> <p></p> <div class="bibliography"> <div class="titlepage"><div><div><h4 class="title"> -<a name="id2597457"></a>Bibliography</h4></div></div></div> +<a name="id2600358"></a>Bibliography</h4></div></div></div> <div class="biblioentry"> -<a name="id2597459"></a><p><span class="authorgroup"><span class="firstname">Paul</span> <span class="surname">Albitz</span> and <span class="firstname">Cricket</span> <span class="surname">Liu</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> and <acronym class="acronym">BIND</acronym></i>. </span><span class="copyright">Copyright © 1998 Sebastopol, CA: O'Reilly and Associates. </span></p> +<a name="id2600360"></a><p><span class="authorgroup"><span class="firstname">Paul</span> <span class="surname">Albitz</span> and <span class="firstname">Cricket</span> <span class="surname">Liu</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> and <acronym class="acronym">BIND</acronym></i>. </span><span class="copyright">Copyright © 1998 Sebastopol, CA: O'Reilly and Associates. </span></p> </div> </div> </div> diff --git a/doc/arm/Bv9ARM.html b/doc/arm/Bv9ARM.html index 68d19277..292603cc 100644 --- a/doc/arm/Bv9ARM.html +++ b/doc/arm/Bv9ARM.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: Bv9ARM.html,v 1.164.18.4 2008/01/18 09:37:04 marka Exp $ --> +<!-- $Id: Bv9ARM.html,v 1.164.18.9 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -40,7 +40,7 @@ <div class="titlepage"> <div> <div><h1 class="title"> -<a name="id2563403"></a>BIND 9 Administrator Reference Manual</h1></div> +<a name="id2563174"></a>BIND 9 Administrator Reference Manual</h1></div> <div><p class="copyright">Copyright © 2004-2008 Internet Systems Consortium, Inc. ("ISC")</p></div> <div><p class="copyright">Copyright © 2000-2003 Internet Software Consortium.</p></div> </div> @@ -51,39 +51,39 @@ <dl> <dt><span class="chapter"><a href="Bv9ARM.ch01.html">1. Introduction</a></span></dt> <dd><dl> -<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2564109">Scope of Document</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2564133">Organization of This Document</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2563474">Conventions Used in This Document</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2564816">The Domain Name System (<acronym class="acronym">DNS</acronym>)</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2563405">Scope of Document</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2564385">Organization of This Document</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2564524">Conventions Used in This Document</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch01.html#id2564637">The Domain Name System (<acronym class="acronym">DNS</acronym>)</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2564837">DNS Fundamentals</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2564871">Domains and Domain Names</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567208">Zones</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567285">Authoritative Name Servers</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567526">Caching Name Servers</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567588">Name Servers in Multiple Roles</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2564659">DNS Fundamentals</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2564693">Domains and Domain Names</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2564845">Zones</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567243">Authoritative Name Servers</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567416">Caching Name Servers</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch01.html#id2567546">Name Servers in Multiple Roles</a></span></dt> </dl></dd> </dl></dd> <dt><span class="chapter"><a href="Bv9ARM.ch02.html">2. <acronym class="acronym">BIND</acronym> Resource Requirements</a></span></dt> <dd><dl> -<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567622">Hardware requirements</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567649">CPU Requirements</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567661">Memory Requirements</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567688">Name Server Intensive Environment Issues</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567699">Supported Operating Systems</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567580">Hardware requirements</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567607">CPU Requirements</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567620">Memory Requirements</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567851">Name Server Intensive Environment Issues</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch02.html#id2567862">Supported Operating Systems</a></span></dt> </dl></dd> <dt><span class="chapter"><a href="Bv9ARM.ch03.html">3. Name Server Configuration</a></span></dt> <dd><dl> <dt><span class="sect1"><a href="Bv9ARM.ch03.html#sample_configuration">Sample Configurations</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2568004">A Caching-only Name Server</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2568020">An Authoritative-only Name Server</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2567894">A Caching-only Name Server</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2567910">An Authoritative-only Name Server</a></span></dt> </dl></dd> -<dt><span class="sect1"><a href="Bv9ARM.ch03.html#id2568042">Load Balancing</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch03.html#id2568465">Name Server Operations</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch03.html#id2568001">Load Balancing</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch03.html#id2568423">Name Server Operations</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2568470">Tools for Use With the Name Server Daemon</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2570184">Signals</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2568428">Tools for Use With the Name Server Daemon</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch03.html#id2570142">Signals</a></span></dt> </dl></dd> </dl></dd> <dt><span class="chapter"><a href="Bv9ARM.ch04.html">4. Advanced DNS Features</a></span></dt> @@ -92,34 +92,34 @@ <dt><span class="sect1"><a href="Bv9ARM.ch04.html#dynamic_update">Dynamic Update</a></span></dt> <dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch04.html#journal">The journal file</a></span></dt></dl></dd> <dt><span class="sect1"><a href="Bv9ARM.ch04.html#incremental_zone_transfers">Incremental Zone Transfers (IXFR)</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2570658">Split DNS</a></span></dt> -<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2570676">Example split DNS setup</a></span></dt></dl></dd> +<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2570616">Split DNS</a></span></dt> +<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2570634">Example split DNS setup</a></span></dt></dl></dd> <dt><span class="sect1"><a href="Bv9ARM.ch04.html#tsig">TSIG</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571111">Generate Shared Keys for Each Pair of Hosts</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571185">Copying the Shared Secret to Both Machines</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571195">Informing the Servers of the Key's Existence</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571235">Instructing the Server to Use the Key</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571429">TSIG Key Based Access Control</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571474">Errors</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571069">Generate Shared Keys for Each Pair of Hosts</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571143">Copying the Shared Secret to Both Machines</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571154">Informing the Servers of the Key's Existence</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571193">Instructing the Server to Use the Key</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571319">TSIG Key Based Access Control</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571432">Errors</a></span></dt> </dl></dd> -<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2571488">TKEY</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2571673">SIG(0)</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2571446">TKEY</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2571563">SIG(0)</a></span></dt> <dt><span class="sect1"><a href="Bv9ARM.ch04.html#DNSSEC">DNSSEC</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571741">Generating Keys</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571811">Signing the Zone</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571890">Configuring Servers</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571700">Generating Keys</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571769">Signing the Zone</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2571848">Configuring Servers</a></span></dt> </dl></dd> -<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2572033">IPv6 Support in <acronym class="acronym">BIND</acronym> 9</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch04.html#id2571923">IPv6 Support in <acronym class="acronym">BIND</acronym> 9</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2572231">Address Lookups Using AAAA Records</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2572252">Address to Name Lookups Using Nibble Format</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2572189">Address Lookups Using AAAA Records</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch04.html#id2572211">Address to Name Lookups Using Nibble Format</a></span></dt> </dl></dd> </dl></dd> <dt><span class="chapter"><a href="Bv9ARM.ch05.html">5. The <acronym class="acronym">BIND</acronym> 9 Lightweight Resolver</a></span></dt> <dd><dl> -<dt><span class="sect1"><a href="Bv9ARM.ch05.html#id2572285">The Lightweight Resolver Library</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch05.html#id2572244">The Lightweight Resolver Library</a></span></dt> <dt><span class="sect1"><a href="Bv9ARM.ch05.html#lwresd">Running a Resolver Daemon</a></span></dt> </dl></dd> <dt><span class="chapter"><a href="Bv9ARM.ch06.html">6. <acronym class="acronym">BIND</acronym> 9 Configuration Reference</a></span></dt> @@ -127,86 +127,88 @@ <dt><span class="sect1"><a href="Bv9ARM.ch06.html#configuration_file_elements">Configuration File Elements</a></span></dt> <dd><dl> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#address_match_lists">Address Match Lists</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2573587">Comment Syntax</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2573477">Comment Syntax</a></span></dt> </dl></dd> <dt><span class="sect1"><a href="Bv9ARM.ch06.html#Configuration_File_Grammar">Configuration File Grammar</a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574157"><span><strong class="command">acl</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574116"><span><strong class="command">acl</strong></span> Statement Grammar</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#acl"><span><strong class="command">acl</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574347"><span><strong class="command">controls</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574306"><span><strong class="command">controls</strong></span> Statement Grammar</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#controls_statement_definition_and_usage"><span><strong class="command">controls</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574776"><span><strong class="command">include</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574793"><span><strong class="command">include</strong></span> Statement Definition and +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574734"><span><strong class="command">include</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574752"><span><strong class="command">include</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574817"><span><strong class="command">key</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574840"><span><strong class="command">key</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574999"><span><strong class="command">logging</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575193"><span><strong class="command">logging</strong></span> Statement Definition and +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574775"><span><strong class="command">key</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574798"><span><strong class="command">key</strong></span> Statement Definition and Usage</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575026"><span><strong class="command">logging</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575152"><span><strong class="command">logging</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576505"><span><strong class="command">lwres</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576579"><span><strong class="command">lwres</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576643"><span><strong class="command">masters</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576686"><span><strong class="command">masters</strong></span> Statement Definition and +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576464"><span><strong class="command">lwres</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576537"><span><strong class="command">lwres</strong></span> Statement Definition and Usage</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576601"><span><strong class="command">masters</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576645"><span><strong class="command">masters</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576701"><span><strong class="command">options</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576660"><span><strong class="command">options</strong></span> Statement Grammar</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#options"><span><strong class="command">options</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585163"><span><strong class="command">statistics-channels</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585181"><span><strong class="command">statistics-channels</strong></span> Statement Definition and +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#statschannels"><span><strong class="command">statistics-channels</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2584781"><span><strong class="command">statistics-channels</strong></span> Statement Definition and Usage</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#server_statement_grammar"><span><strong class="command">server</strong></span> Statement Grammar</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#server_statement_definition_and_usage"><span><strong class="command">server</strong></span> Statement Definition and Usage</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585865"><span><strong class="command">trusted-keys</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585916"><span><strong class="command">trusted-keys</strong></span> Statement Definition +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585533"><span><strong class="command">trusted-keys</strong></span> Statement Grammar</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585585"><span><strong class="command">trusted-keys</strong></span> Statement Definition and Usage</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#view_statement_grammar"><span><strong class="command">view</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585998"><span><strong class="command">view</strong></span> Statement Definition and Usage</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2585667"><span><strong class="command">view</strong></span> Statement Definition and Usage</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#zone_statement_grammar"><span><strong class="command">zone</strong></span> Statement Grammar</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2587559"><span><strong class="command">zone</strong></span> Statement Definition and Usage</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2587159"><span><strong class="command">zone</strong></span> Statement Definition and Usage</a></span></dt> </dl></dd> -<dt><span class="sect1"><a href="Bv9ARM.ch06.html#id2589906">Zone File</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch06.html#id2589437">Zone File</a></span></dt> <dd><dl> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#types_of_resource_records_and_when_to_use_them">Types of Resource Records and When to Use Them</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2591927">Discussion of MX Records</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2591459">Discussion of MX Records</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#Setting_TTLs">Setting TTLs</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592547">Inverse Mapping in IPv4</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592674">Other Zone File Directives</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592862"><acronym class="acronym">BIND</acronym> Master File Extension: the <span><strong class="command">$GENERATE</strong></span> Directive</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592147">Inverse Mapping in IPv4</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592342">Other Zone File Directives</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592599"><acronym class="acronym">BIND</acronym> Master File Extension: the <span><strong class="command">$GENERATE</strong></span> Directive</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch06.html#zonefile_format">Additional File Formats</a></span></dt> </dl></dd> +<dt><span class="sect1"><a href="Bv9ARM.ch06.html#id2593067">BIND9 Statistics</a></span></dt> +<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2593348">Statistics Counters</a></span></dt></dl></dd> </dl></dd> <dt><span class="chapter"><a href="Bv9ARM.ch07.html">7. <acronym class="acronym">BIND</acronym> 9 Security Considerations</a></span></dt> <dd><dl> <dt><span class="sect1"><a href="Bv9ARM.ch07.html#Access_Control_Lists">Access Control Lists</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch07.html#id2593546"><span><strong class="command">Chroot</strong></span> and <span><strong class="command">Setuid</strong></span></a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch07.html#id2596516"><span><strong class="command">Chroot</strong></span> and <span><strong class="command">Setuid</strong></span></a></span></dt> <dd><dl> -<dt><span class="sect2"><a href="Bv9ARM.ch07.html#id2593691">The <span><strong class="command">chroot</strong></span> Environment</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch07.html#id2593751">Using the <span><strong class="command">setuid</strong></span> Function</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch07.html#id2596593">The <span><strong class="command">chroot</strong></span> Environment</a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch07.html#id2596652">Using the <span><strong class="command">setuid</strong></span> Function</a></span></dt> </dl></dd> <dt><span class="sect1"><a href="Bv9ARM.ch07.html#dynamic_update_security">Dynamic Update Security</a></span></dt> </dl></dd> <dt><span class="chapter"><a href="Bv9ARM.ch08.html">8. Troubleshooting</a></span></dt> <dd><dl> -<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2593831">Common Problems</a></span></dt> -<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch08.html#id2593836">It's not working; how can I figure out what's wrong?</a></span></dt></dl></dd> -<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2593848">Incrementing and Changing the Serial Number</a></span></dt> -<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2593865">Where Can I Get Help?</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2596732">Common Problems</a></span></dt> +<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch08.html#id2596738">It's not working; how can I figure out what's wrong?</a></span></dt></dl></dd> +<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2596749">Incrementing and Changing the Serial Number</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch08.html#id2596766">Where Can I Get Help?</a></span></dt> </dl></dd> <dt><span class="appendix"><a href="Bv9ARM.ch09.html">A. Appendices</a></span></dt> <dd><dl> -<dt><span class="sect1"><a href="Bv9ARM.ch09.html#id2593927">Acknowledgments</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch09.html#id2596828">Acknowledgments</a></span></dt> <dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch09.html#historical_dns_information">A Brief History of the <acronym class="acronym">DNS</acronym> and <acronym class="acronym">BIND</acronym></a></span></dt></dl></dd> -<dt><span class="sect1"><a href="Bv9ARM.ch09.html#id2594099">General <acronym class="acronym">DNS</acronym> Reference Information</a></span></dt> +<dt><span class="sect1"><a href="Bv9ARM.ch09.html#id2597137">General <acronym class="acronym">DNS</acronym> Reference Information</a></span></dt> <dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch09.html#ipv6addresses">IPv6 addresses (AAAA)</a></span></dt></dl></dd> <dt><span class="sect1"><a href="Bv9ARM.ch09.html#bibliography">Bibliography (and Suggested Reading)</a></span></dt> <dd><dl> <dt><span class="sect2"><a href="Bv9ARM.ch09.html#rfcs">Request for Comments (RFCs)</a></span></dt> <dt><span class="sect2"><a href="Bv9ARM.ch09.html#internet_drafts">Internet Drafts</a></span></dt> -<dt><span class="sect2"><a href="Bv9ARM.ch09.html#id2597447">Other Documents About <acronym class="acronym">BIND</acronym></a></span></dt> +<dt><span class="sect2"><a href="Bv9ARM.ch09.html#id2600348">Other Documents About <acronym class="acronym">BIND</acronym></a></span></dt> </dl></dd> </dl></dd> <dt><span class="reference"><a href="Bv9ARM.ch10.html">I. 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00000 n trailer << -/Size 1959 -/Root 1957 0 R -/Info 1958 0 R -/ID [<37F82A89388E4C9FB25FD9CE610A28FF> <37F82A89388E4C9FB25FD9CE610A28FF>] +/Size 2035 +/Root 2033 0 R +/Info 2034 0 R +/ID [<12041F55A50724DE57B7F83DE999224F> <12041F55A50724DE57B7F83DE999224F>] >> startxref -690141 +714954 %%EOF diff --git a/doc/arm/man.dig.html b/doc/arm/man.dig.html index 9041168d..2a482f70 100644 --- a/doc/arm/man.dig.html +++ b/doc/arm/man.dig.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: man.dig.html,v 1.60.18.5 2008/01/27 06:10:15 marka Exp $ --> +<!-- $Id: man.dig.html,v 1.60.18.10 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -52,7 +52,7 @@ <div class="cmdsynopsis"><p><code class="command">dig</code> [global-queryopt...] [query...]</p></div> </div> <div class="refsect1" lang="en"> -<a name="id2563901"></a><h2>DESCRIPTION</h2> +<a name="id2569806"></a><h2>DESCRIPTION</h2> <p><span><strong class="command">dig</strong></span> (domain information groper) is a flexible tool for interrogating DNS name servers. It performs DNS lookups and @@ -98,7 +98,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2563990"></a><h2>SIMPLE USAGE</h2> +<a name="id2569895"></a><h2>SIMPLE USAGE</h2> <p> A typical invocation of <span><strong class="command">dig</strong></span> looks like: </p> @@ -144,7 +144,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2569767"></a><h2>OPTIONS</h2> +<a name="id2600589"></a><h2>OPTIONS</h2> <p> The <code class="option">-b</code> option sets the source IP address of the query to <em class="parameter"><code>address</code></em>. This must be a valid @@ -244,7 +244,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2624645"></a><h2>QUERY OPTIONS</h2> +<a name="id2627683"></a><h2>QUERY OPTIONS</h2> <p><span><strong class="command">dig</strong></span> provides a number of query options which affect the way in which lookups are made and the results displayed. Some of @@ -563,7 +563,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2625563"></a><h2>MULTIPLE QUERIES</h2> +<a name="id2628669"></a><h2>MULTIPLE QUERIES</h2> <p> The BIND 9 implementation of <span><strong class="command">dig </strong></span> supports @@ -609,7 +609,7 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr </p> </div> <div class="refsect1" lang="en"> -<a name="id2625785"></a><h2>IDN SUPPORT</h2> +<a name="id2628755"></a><h2>IDN SUPPORT</h2> <p> If <span><strong class="command">dig</strong></span> has been built with IDN (internationalized domain name) support, it can accept and display non-ASCII domain names. @@ -623,14 +623,14 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr </p> </div> <div class="refsect1" lang="en"> -<a name="id2625882"></a><h2>FILES</h2> +<a name="id2628784"></a><h2>FILES</h2> <p><code class="filename">/etc/resolv.conf</code> </p> <p><code class="filename">${HOME}/.digrc</code> </p> </div> <div class="refsect1" lang="en"> -<a name="id2625904"></a><h2>SEE ALSO</h2> +<a name="id2628805"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"><span class="refentrytitle">host</span>(1)</span>, <span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>, <span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>, @@ -638,7 +638,7 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr </p> </div> <div class="refsect1" lang="en"> -<a name="id2625941"></a><h2>BUGS</h2> +<a name="id2628842"></a><h2>BUGS</h2> <p> There are probably too many query options. </p> diff --git a/doc/arm/man.dnssec-keygen.html b/doc/arm/man.dnssec-keygen.html index e56ec780..5d93e206 100644 --- a/doc/arm/man.dnssec-keygen.html +++ b/doc/arm/man.dnssec-keygen.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: man.dnssec-keygen.html,v 1.60.18.5 2008/01/27 06:10:15 marka Exp $ --> +<!-- $Id: man.dnssec-keygen.html,v 1.60.18.11 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -50,7 +50,7 @@ <div class="cmdsynopsis"><p><code class="command">dnssec-keygen</code> {-a <em class="replaceable"><code>algorithm</code></em>} {-b <em class="replaceable"><code>keysize</code></em>} {-n <em class="replaceable"><code>nametype</code></em>} [<code class="option">-c <em class="replaceable"><code>class</code></em></code>] [<code class="option">-e</code>] [<code class="option">-f <em class="replaceable"><code>flag</code></em></code>] [<code class="option">-g <em class="replaceable"><code>generator</code></em></code>] [<code class="option">-h</code>] [<code class="option">-k</code>] [<code class="option">-p <em class="replaceable"><code>protocol</code></em></code>] [<code class="option">-r <em class="replaceable"><code>randomdev</code></em></code>] [<code class="option">-s <em class="replaceable"><code>strength</code></em></code>] [<code class="option">-t <em class="replaceable"><code>type</code></em></code>] [<code class="option">-v <em class="replaceable"><code>level</code></em></code>] {name}</p></div> </div> <div class="refsect1" lang="en"> -<a name="id2598525"></a><h2>DESCRIPTION</h2> +<a name="id2601703"></a><h2>DESCRIPTION</h2> <p><span><strong class="command">dnssec-keygen</strong></span> generates keys for DNSSEC (Secure DNS), as defined in RFC 2535 and RFC 4034. It can also generate keys for use with @@ -58,7 +58,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2598539"></a><h2>OPTIONS</h2> +<a name="id2601717"></a><h2>OPTIONS</h2> <div class="variablelist"><dl> <dt><span class="term">-a <em class="replaceable"><code>algorithm</code></em></span></dt> <dd> @@ -166,7 +166,7 @@ </dl></div> </div> <div class="refsect1" lang="en"> -<a name="id2599088"></a><h2>GENERATED KEYS</h2> +<a name="id2602538"></a><h2>GENERATED KEYS</h2> <p> When <span><strong class="command">dnssec-keygen</strong></span> completes successfully, @@ -212,7 +212,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2600697"></a><h2>EXAMPLE</h2> +<a name="id2602646"></a><h2>EXAMPLE</h2> <p> To generate a 768-bit DSA key for the domain <strong class="userinput"><code>example.com</code></strong>, the following command would be @@ -233,7 +233,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2600754"></a><h2>SEE ALSO</h2> +<a name="id2602702"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"><span class="refentrytitle">dnssec-signzone</span>(8)</span>, <em class="citetitle">BIND 9 Administrator Reference Manual</em>, <em class="citetitle">RFC 2535</em>, @@ -242,7 +242,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2601058"></a><h2>AUTHOR</h2> +<a name="id2602733"></a><h2>AUTHOR</h2> <p><span class="corpauthor">Internet Systems Consortium</span> </p> </div> diff --git a/doc/arm/man.dnssec-signzone.html b/doc/arm/man.dnssec-signzone.html index cbeda9e1..13d14c7e 100644 --- a/doc/arm/man.dnssec-signzone.html +++ b/doc/arm/man.dnssec-signzone.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: man.dnssec-signzone.html,v 1.58.18.5 2008/01/27 06:10:15 marka Exp $ --> +<!-- $Id: man.dnssec-signzone.html,v 1.58.18.12 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -50,7 +50,7 @@ <div class="cmdsynopsis"><p><code class="command">dnssec-signzone</code> [<code class="option">-a</code>] [<code class="option">-c <em class="replaceable"><code>class</code></em></code>] [<code class="option">-d <em class="replaceable"><code>directory</code></em></code>] [<code class="option">-e <em class="replaceable"><code>end-time</code></em></code>] [<code class="option">-f <em class="replaceable"><code>output-file</code></em></code>] [<code class="option">-g</code>] [<code class="option">-h</code>] [<code class="option">-k <em class="replaceable"><code>key</code></em></code>] [<code class="option">-l <em class="replaceable"><code>domain</code></em></code>] [<code class="option">-i <em class="replaceable"><code>interval</code></em></code>] [<code class="option">-I <em class="replaceable"><code>input-format</code></em></code>] [<code class="option">-j <em class="replaceable"><code>jitter</code></em></code>] [<code class="option">-N <em class="replaceable"><code>soa-serial-format</code></em></code>] [<code class="option">-o <em class="replaceable"><code>origin</code></em></code>] [<code class="option">-O <em class="replaceable"><code>output-format</code></em></code>] [<code class="option">-p</code>] [<code class="option">-r <em class="replaceable"><code>randomdev</code></em></code>] [<code class="option">-s <em class="replaceable"><code>start-time</code></em></code>] [<code class="option">-t</code>] [<code class="option">-v <em class="replaceable"><code>level</code></em></code>] [<code class="option">-z</code>] {zonefile} [key...]</p></div> </div> <div class="refsect1" lang="en"> -<a name="id2599518"></a><h2>DESCRIPTION</h2> +<a name="id2603174"></a><h2>DESCRIPTION</h2> <p><span><strong class="command">dnssec-signzone</strong></span> signs a zone. It generates NSEC and RRSIG records and produces a signed version of the @@ -61,7 +61,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2599538"></a><h2>OPTIONS</h2> +<a name="id2603193"></a><h2>OPTIONS</h2> <div class="variablelist"><dl> <dt><span class="term">-a</span></dt> <dd><p> @@ -259,7 +259,7 @@ </dl></div> </div> <div class="refsect1" lang="en"> -<a name="id2654427"></a><h2>EXAMPLE</h2> +<a name="id2657332"></a><h2>EXAMPLE</h2> <p> The following command signs the <strong class="userinput"><code>example.com</code></strong> zone with the DSA key generated by <span><strong class="command">dnssec-keygen</strong></span> @@ -288,14 +288,14 @@ db.example.com.signed %</pre> </div> <div class="refsect1" lang="en"> -<a name="id2654568"></a><h2>SEE ALSO</h2> +<a name="id2657404"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>, <em class="citetitle">BIND 9 Administrator Reference Manual</em>, <em class="citetitle">RFC 2535</em>. </p> </div> <div class="refsect1" lang="en"> -<a name="id2654593"></a><h2>AUTHOR</h2> +<a name="id2657497"></a><h2>AUTHOR</h2> <p><span class="corpauthor">Internet Systems Consortium</span> </p> </div> diff --git a/doc/arm/man.host.html b/doc/arm/man.host.html index 3dfaeb72..cfb95fb3 100644 --- a/doc/arm/man.host.html +++ b/doc/arm/man.host.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: man.host.html,v 1.58.18.4 2008/01/27 06:10:15 marka Exp $ --> +<!-- $Id: man.host.html,v 1.58.18.11 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -50,7 +50,7 @@ <div class="cmdsynopsis"><p><code class="command">host</code> [<code class="option">-aCdlnrsTwv</code>] [<code class="option">-c <em class="replaceable"><code>class</code></em></code>] [<code class="option">-N <em class="replaceable"><code>ndots</code></em></code>] [<code class="option">-R <em class="replaceable"><code>number</code></em></code>] [<code class="option">-t <em class="replaceable"><code>type</code></em></code>] [<code class="option">-W <em class="replaceable"><code>wait</code></em></code>] [<code class="option">-m <em class="replaceable"><code>flag</code></em></code>] [<code class="option">-4</code>] [<code class="option">-6</code>] {name} [server]</p></div> </div> <div class="refsect1" lang="en"> -<a name="id2597764"></a><h2>DESCRIPTION</h2> +<a name="id2600876"></a><h2>DESCRIPTION</h2> <p><span><strong class="command">host</strong></span> is a simple utility for performing DNS lookups. It is normally used to convert names to IP addresses and vice versa. @@ -166,7 +166,7 @@ NS, SOA, SIG, KEY, AXFR, etc. When no query type is specified, <span><strong class="command">host</strong></span> automatically selects an appropriate query - type. By default it looks for A records, but if the + type. By default it looks for A, AAAA, and MX records, but if the <code class="option">-C</code> option was given, queries will be made for SOA records, and if <em class="parameter"><code>name</code></em> is a dotted-decimal IPv4 @@ -202,7 +202,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2598141"></a><h2>IDN SUPPORT</h2> +<a name="id2601868"></a><h2>IDN SUPPORT</h2> <p> If <span><strong class="command">host</strong></span> has been built with IDN (internationalized domain name) support, it can accept and display non-ASCII domain names. @@ -216,12 +216,12 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2598238"></a><h2>FILES</h2> +<a name="id2601897"></a><h2>FILES</h2> <p><code class="filename">/etc/resolv.conf</code> </p> </div> <div class="refsect1" lang="en"> -<a name="id2598252"></a><h2>SEE ALSO</h2> +<a name="id2601911"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"><span class="refentrytitle">dig</span>(1)</span>, <span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>. </p> diff --git a/doc/arm/man.named-checkconf.html b/doc/arm/man.named-checkconf.html index 9beb3b41..f003c9fc 100644 --- a/doc/arm/man.named-checkconf.html +++ b/doc/arm/man.named-checkconf.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: man.named-checkconf.html,v 1.57.18.5 2008/01/27 06:10:15 marka Exp $ --> +<!-- $Id: man.named-checkconf.html,v 1.57.18.11 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -50,14 +50,14 @@ <div class="cmdsynopsis"><p><code class="command">named-checkconf</code> [<code class="option">-h</code>] [<code class="option">-v</code>] [<code class="option">-j</code>] [<code class="option">-t <em class="replaceable"><code>directory</code></em></code>] {filename} [<code class="option">-z</code>]</p></div> </div> <div class="refsect1" lang="en"> -<a name="id2600057"></a><h2>DESCRIPTION</h2> +<a name="id2604941"></a><h2>DESCRIPTION</h2> <p><span><strong class="command">named-checkconf</strong></span> checks the syntax, but not the semantics, of a named configuration file. </p> </div> <div class="refsect1" lang="en"> -<a name="id2600071"></a><h2>OPTIONS</h2> +<a name="id2604955"></a><h2>OPTIONS</h2> <div class="variablelist"><dl> <dt><span class="term">-h</span></dt> <dd><p> @@ -92,21 +92,21 @@ </dl></div> </div> <div class="refsect1" lang="en"> -<a name="id2600187"></a><h2>RETURN VALUES</h2> +<a name="id2605072"></a><h2>RETURN VALUES</h2> <p><span><strong class="command">named-checkconf</strong></span> returns an exit status of 1 if errors were detected and 0 otherwise. </p> </div> <div class="refsect1" lang="en"> -<a name="id2600201"></a><h2>SEE ALSO</h2> +<a name="id2605085"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>, <span class="citerefentry"><span class="refentrytitle">named-checkzone</span>(8)</span>, <em class="citetitle">BIND 9 Administrator Reference Manual</em>. </p> </div> <div class="refsect1" lang="en"> -<a name="id2600299"></a><h2>AUTHOR</h2> +<a name="id2605115"></a><h2>AUTHOR</h2> <p><span class="corpauthor">Internet Systems Consortium</span> </p> </div> diff --git a/doc/arm/man.named-checkzone.html b/doc/arm/man.named-checkzone.html index bdbc2d91..0fcdafce 100644 --- a/doc/arm/man.named-checkzone.html +++ b/doc/arm/man.named-checkzone.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: man.named-checkzone.html,v 1.63.18.5 2008/01/27 06:10:15 marka Exp $ --> +<!-- $Id: man.named-checkzone.html,v 1.63.18.12 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -51,7 +51,7 @@ <div class="cmdsynopsis"><p><code class="command">named-compilezone</code> [<code class="option">-d</code>] [<code class="option">-j</code>] [<code class="option">-q</code>] [<code class="option">-v</code>] [<code class="option">-c <em class="replaceable"><code>class</code></em></code>] [<code class="option">-C <em class="replaceable"><code>mode</code></em></code>] [<code class="option">-f <em class="replaceable"><code>format</code></em></code>] [<code class="option">-F <em class="replaceable"><code>format</code></em></code>] [<code class="option">-i <em class="replaceable"><code>mode</code></em></code>] [<code class="option">-k <em class="replaceable"><code>mode</code></em></code>] [<code class="option">-m <em class="replaceable"><code>mode</code></em></code>] [<code class="option">-n <em class="replaceable"><code>mode</code></em></code>] [<code class="option">-o <em class="replaceable"><code>filename</code></em></code>] [<code class="option">-s <em class="replaceable"><code>style</code></em></code>] [<code class="option">-t <em class="replaceable"><code>directory</code></em></code>] [<code class="option">-w <em class="replaceable"><code>directory</code></em></code>] [<code class="option">-D</code>] [<code class="option">-W <em class="replaceable"><code>mode</code></em></code>] {zonename} {filename}</p></div> </div> <div class="refsect1" lang="en"> -<a name="id2602268"></a><h2>DESCRIPTION</h2> +<a name="id2606675"></a><h2>DESCRIPTION</h2> <p><span><strong class="command">named-checkzone</strong></span> checks the syntax and integrity of a zone file. It performs the same checks as <span><strong class="command">named</strong></span> does when loading a @@ -71,7 +71,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2602318"></a><h2>OPTIONS</h2> +<a name="id2606725"></a><h2>OPTIONS</h2> <div class="variablelist"><dl> <dt><span class="term">-d</span></dt> <dd><p> @@ -257,14 +257,14 @@ </dl></div> </div> <div class="refsect1" lang="en"> -<a name="id2655349"></a><h2>RETURN VALUES</h2> +<a name="id2658253"></a><h2>RETURN VALUES</h2> <p><span><strong class="command">named-checkzone</strong></span> returns an exit status of 1 if errors were detected and 0 otherwise. </p> </div> <div class="refsect1" lang="en"> -<a name="id2655363"></a><h2>SEE ALSO</h2> +<a name="id2658267"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>, <span class="citerefentry"><span class="refentrytitle">named-checkconf</span>(8)</span>, <em class="citetitle">RFC 1035</em>, @@ -272,7 +272,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2655396"></a><h2>AUTHOR</h2> +<a name="id2658300"></a><h2>AUTHOR</h2> <p><span class="corpauthor">Internet Systems Consortium</span> </p> </div> diff --git a/doc/arm/man.named.html b/doc/arm/man.named.html index b33b06ac..fa157fab 100644 --- a/doc/arm/man.named.html +++ b/doc/arm/man.named.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: man.named.html,v 1.62.18.5 2008/01/27 06:10:15 marka Exp $ --> +<!-- $Id: man.named.html,v 1.62.18.12 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -50,7 +50,7 @@ <div class="cmdsynopsis"><p><code class="command">named</code> [<code class="option">-4</code>] [<code class="option">-6</code>] [<code class="option">-c <em class="replaceable"><code>config-file</code></em></code>] [<code class="option">-d <em class="replaceable"><code>debug-level</code></em></code>] [<code class="option">-f</code>] [<code class="option">-g</code>] [<code class="option">-m <em class="replaceable"><code>flag</code></em></code>] [<code class="option">-n <em class="replaceable"><code>#cpus</code></em></code>] [<code class="option">-p <em class="replaceable"><code>port</code></em></code>] [<code class="option">-s</code>] [<code class="option">-t <em class="replaceable"><code>directory</code></em></code>] [<code class="option">-u <em class="replaceable"><code>user</code></em></code>] [<code class="option">-v</code>] [<code class="option">-x <em class="replaceable"><code>cache-file</code></em></code>]</p></div> </div> <div class="refsect1" lang="en"> -<a name="id2601594"></a><h2>DESCRIPTION</h2> +<a name="id2606888"></a><h2>DESCRIPTION</h2> <p><span><strong class="command">named</strong></span> is a Domain Name System (DNS) server, part of the BIND 9 distribution from ISC. For more @@ -65,7 +65,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2601625"></a><h2>OPTIONS</h2> +<a name="id2606919"></a><h2>OPTIONS</h2> <div class="variablelist"><dl> <dt><span class="term">-4</span></dt> <dd><p> @@ -209,7 +209,7 @@ </dl></div> </div> <div class="refsect1" lang="en"> -<a name="id2603469"></a><h2>SIGNALS</h2> +<a name="id2607398"></a><h2>SIGNALS</h2> <p> In routine operation, signals should not be used to control the nameserver; <span><strong class="command">rndc</strong></span> should be used @@ -230,7 +230,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2605294"></a><h2>CONFIGURATION</h2> +<a name="id2608745"></a><h2>CONFIGURATION</h2> <p> The <span><strong class="command">named</strong></span> configuration file is too complex to describe in detail here. A complete description is provided @@ -239,7 +239,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2605314"></a><h2>FILES</h2> +<a name="id2608764"></a><h2>FILES</h2> <div class="variablelist"><dl> <dt><span class="term"><code class="filename">/etc/named.conf</code></span></dt> <dd><p> @@ -252,7 +252,7 @@ </dl></div> </div> <div class="refsect1" lang="en"> -<a name="id2605357"></a><h2>SEE ALSO</h2> +<a name="id2608808"></a><h2>SEE ALSO</h2> <p><em class="citetitle">RFC 1033</em>, <em class="citetitle">RFC 1034</em>, <em class="citetitle">RFC 1035</em>, @@ -265,7 +265,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2605428"></a><h2>AUTHOR</h2> +<a name="id2608878"></a><h2>AUTHOR</h2> <p><span class="corpauthor">Internet Systems Consortium</span> </p> </div> diff --git a/doc/arm/man.rndc-confgen.html b/doc/arm/man.rndc-confgen.html index df5aea85..de4413a4 100644 --- a/doc/arm/man.rndc-confgen.html +++ b/doc/arm/man.rndc-confgen.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: man.rndc-confgen.html,v 1.65.10.5 2008/01/27 06:10:15 marka Exp $ --> +<!-- $Id: man.rndc-confgen.html,v 1.65.10.12 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -48,7 +48,7 @@ <div class="cmdsynopsis"><p><code class="command">rndc-confgen</code> [<code class="option">-a</code>] [<code class="option">-b <em class="replaceable"><code>keysize</code></em></code>] [<code class="option">-c <em class="replaceable"><code>keyfile</code></em></code>] [<code class="option">-h</code>] [<code class="option">-k <em class="replaceable"><code>keyname</code></em></code>] [<code class="option">-p <em class="replaceable"><code>port</code></em></code>] [<code class="option">-r <em class="replaceable"><code>randomfile</code></em></code>] [<code class="option">-s <em class="replaceable"><code>address</code></em></code>] [<code class="option">-t <em class="replaceable"><code>chrootdir</code></em></code>] [<code class="option">-u <em class="replaceable"><code>user</code></em></code>]</p></div> </div> <div class="refsect1" lang="en"> -<a name="id2605670"></a><h2>DESCRIPTION</h2> +<a name="id2609462"></a><h2>DESCRIPTION</h2> <p><span><strong class="command">rndc-confgen</strong></span> generates configuration files for <span><strong class="command">rndc</strong></span>. It can be used as a @@ -64,7 +64,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2605736"></a><h2>OPTIONS</h2> +<a name="id2610074"></a><h2>OPTIONS</h2> <div class="variablelist"><dl> <dt><span class="term">-a</span></dt> <dd> @@ -171,7 +171,7 @@ </dl></div> </div> <div class="refsect1" lang="en"> -<a name="id2606190"></a><h2>EXAMPLES</h2> +<a name="id2631145"></a><h2>EXAMPLES</h2> <p> To allow <span><strong class="command">rndc</strong></span> to be used with no manual configuration, run @@ -188,7 +188,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2606247"></a><h2>SEE ALSO</h2> +<a name="id2631202"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"><span class="refentrytitle">rndc</span>(8)</span>, <span class="citerefentry"><span class="refentrytitle">rndc.conf</span>(5)</span>, <span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>, @@ -196,7 +196,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2607856"></a><h2>AUTHOR</h2> +<a name="id2631240"></a><h2>AUTHOR</h2> <p><span class="corpauthor">Internet Systems Consortium</span> </p> </div> diff --git a/doc/arm/man.rndc.conf.html b/doc/arm/man.rndc.conf.html index cc8fedba..2c0b3307 100644 --- a/doc/arm/man.rndc.conf.html +++ b/doc/arm/man.rndc.conf.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: man.rndc.conf.html,v 1.66.10.5 2008/01/27 06:10:15 marka Exp $ --> +<!-- $Id: man.rndc.conf.html,v 1.66.10.12 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -50,7 +50,7 @@ <div class="cmdsynopsis"><p><code class="command">rndc.conf</code> </p></div> </div> <div class="refsect1" lang="en"> -<a name="id2601979"></a><h2>DESCRIPTION</h2> +<a name="id2602358"></a><h2>DESCRIPTION</h2> <p><code class="filename">rndc.conf</code> is the configuration file for <span><strong class="command">rndc</strong></span>, the BIND 9 name server control utility. This file has a similar structure and syntax to @@ -135,7 +135,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2604404"></a><h2>EXAMPLE</h2> +<a name="id2608332"></a><h2>EXAMPLE</h2> <pre class="programlisting"> options { default-server localhost; @@ -209,7 +209,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2605072"></a><h2>NAME SERVER CONFIGURATION</h2> +<a name="id2609137"></a><h2>NAME SERVER CONFIGURATION</h2> <p> The name server must be configured to accept rndc connections and to recognize the key specified in the <code class="filename">rndc.conf</code> @@ -219,7 +219,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2605097"></a><h2>SEE ALSO</h2> +<a name="id2609162"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"><span class="refentrytitle">rndc</span>(8)</span>, <span class="citerefentry"><span class="refentrytitle">rndc-confgen</span>(8)</span>, <span class="citerefentry"><span class="refentrytitle">mmencode</span>(1)</span>, @@ -227,7 +227,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2605136"></a><h2>AUTHOR</h2> +<a name="id2609201"></a><h2>AUTHOR</h2> <p><span class="corpauthor">Internet Systems Consortium</span> </p> </div> diff --git a/doc/arm/man.rndc.html b/doc/arm/man.rndc.html index 5b422372..3153828f 100644 --- a/doc/arm/man.rndc.html +++ b/doc/arm/man.rndc.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> -<!-- $Id: man.rndc.html,v 1.64.10.5 2008/01/27 06:10:15 marka Exp $ --> +<!-- $Id: man.rndc.html,v 1.64.10.12 2008/05/06 01:41:47 tbox Exp $ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> @@ -50,7 +50,7 @@ <div class="cmdsynopsis"><p><code class="command">rndc</code> [<code class="option">-b <em class="replaceable"><code>source-address</code></em></code>] [<code class="option">-c <em class="replaceable"><code>config-file</code></em></code>] [<code class="option">-k <em class="replaceable"><code>key-file</code></em></code>] [<code class="option">-s <em class="replaceable"><code>server</code></em></code>] [<code class="option">-p <em class="replaceable"><code>port</code></em></code>] [<code class="option">-V</code>] [<code class="option">-y <em class="replaceable"><code>key_id</code></em></code>] {command}</p></div> </div> <div class="refsect1" lang="en"> -<a name="id2603656"></a><h2>DESCRIPTION</h2> +<a name="id2607516"></a><h2>DESCRIPTION</h2> <p><span><strong class="command">rndc</strong></span> controls the operation of a name server. It supersedes the <span><strong class="command">ndc</strong></span> utility @@ -79,7 +79,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2603706"></a><h2>OPTIONS</h2> +<a name="id2607566"></a><h2>OPTIONS</h2> <div class="variablelist"><dl> <dt><span class="term">-b <em class="replaceable"><code>source-address</code></em></span></dt> <dd><p> @@ -151,7 +151,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2604068"></a><h2>LIMITATIONS</h2> +<a name="id2607928"></a><h2>LIMITATIONS</h2> <p><span><strong class="command">rndc</strong></span> does not yet support all the commands of the BIND 8 <span><strong class="command">ndc</strong></span> utility. @@ -165,7 +165,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2604099"></a><h2>SEE ALSO</h2> +<a name="id2607959"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"><span class="refentrytitle">rndc.conf</span>(5)</span>, <span class="citerefentry"><span class="refentrytitle">rndc-confgen</span>(8)</span>, <span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>, @@ -175,7 +175,7 @@ </p> </div> <div class="refsect1" lang="en"> -<a name="id2604154"></a><h2>AUTHOR</h2> +<a name="id2608014"></a><h2>AUTHOR</h2> <p><span class="corpauthor">Internet Systems Consortium</span> </p> </div> diff --git a/doc/misc/migration b/doc/misc/migration index d9dca134..d8bdc1f7 100644 --- a/doc/misc/migration +++ b/doc/misc/migration @@ -1,4 +1,4 @@ -Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") +Copyright (C) 2004, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") Copyright (C) 2000, 2001, 2003 Internet Software Consortium. See COPYRIGHT in the source root or http://isc.org/copyright.html for terms. @@ -26,6 +26,16 @@ understand the many-answers zone transfer format (e.g., BIND 4.9.5 or older) you need to explicitly specify "transfer-format one-answer;" in either the options block or a server statement. +BIND 9.4 onwards implements "allow-query-cache". The "allow-query" +option is no longer used to specify access to the cache. The +"allow-query" option continues to specify which hosts are allowed +to ask ordinary DNS questions. The new "allow-query-cache" option +is used to specify which hosts are allowed to get answers from the +cache. Since BIND 9.4.1, if "allow-query-cache" is not set then +"allow-recursion" is used if it is set, otherwise "allow-query" is +used if it is set, otherwise the default localnets and localhost +is used. + 1.2. Handling of Configuration File Errors In BIND 9, named refuses to start if it detects an error in @@ -254,4 +264,4 @@ necessary, the umask should be set explicitly in the script used to start the named process. -$Id: migration,v 1.48 2007/08/23 23:46:43 tbox Exp $ +$Id: migration,v 1.48.94.1 2008/03/18 16:02:36 jreed Exp $ diff --git a/doc/misc/options b/doc/misc/options index 818d852c..b18b4326 100644 --- a/doc/misc/options +++ b/doc/misc/options @@ -24,7 +24,8 @@ key <string> { logging { category <string> { <string>; ... }; channel <string> { - file <log_file>; + file <quoted_string> [ versions ( "unlimited" | <integer> ) + ] [ size <size> ]; null; print-category <boolean>; print-severity <boolean>; @@ -43,8 +44,8 @@ lwres { view <string> <optional_class>; }; -masters <string> [ port <integer> ] { ( <masters> | <ipv4_address> [port - <integer>] | <ipv6_address> [port <integer>] ) [ key <string> ]; ... }; +masters <string> [ port <integer> ] { ( <masters> | <ipv4_address> [ port + <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ]; ... }; options { acache-cleaning-interval <integer>; @@ -93,9 +94,9 @@ options { dnssec-lookaside <string> trust-anchor <string>; dnssec-must-be-secure <string> <boolean>; dnssec-validation <boolean>; - dual-stack-servers [ port <integer> ] { ( <quoted_string> [port - <integer>] | <ipv4_address> [port <integer>] | <ipv6_address> - [port <integer>] ); ... }; + dual-stack-servers [ port <integer> ] { ( <quoted_string> [ port + <integer> ] | <ipv4_address> [ port <integer> ] | + <ipv6_address> [ port <integer> ] ); ... }; dump-file <quoted_string>; edns-udp-size <integer>; empty-contact <string>; @@ -164,6 +165,7 @@ options { recursion <boolean>; recursive-clients <integer>; request-ixfr <boolean>; + request-nsid <boolean>; rfc2308-type1 <boolean>; // not yet implemented root-delegation-only [ exclude { <quoted_string>; ... } ]; rrset-order { [ class <string> ] [ type <string> ] [ name @@ -272,9 +274,9 @@ view <string> <optional_class> { dnssec-lookaside <string> trust-anchor <string>; dnssec-must-be-secure <string> <boolean>; dnssec-validation <boolean>; - dual-stack-servers [ port <integer> ] { ( <quoted_string> [port - <integer>] | <ipv4_address> [port <integer>] | <ipv6_address> - [port <integer>] ); ... }; + dual-stack-servers [ port <integer> ] { ( <quoted_string> [ port + <integer> ] | <ipv4_address> [ port <integer> ] | + <ipv6_address> [ port <integer> ] ); ... }; edns-udp-size <integer>; empty-contact <string>; empty-server <string>; @@ -327,6 +329,7 @@ view <string> <optional_class> { queryport-pool-updateinterval <integer>; recursion <boolean>; request-ixfr <boolean>; + request-nsid <boolean>; rfc2308-type1 <boolean>; // not yet implemented root-delegation-only [ exclude { <quoted_string>; ... } ]; rrset-order { [ class <string> ] [ type <string> ] [ name @@ -402,9 +405,9 @@ view <string> <optional_class> { key-directory <quoted_string>; maintain-ixfr-base <boolean>; // obsolete masterfile-format ( text | raw ); - masters [ port <integer> ] { ( <masters> | <ipv4_address> - [port <integer>] | <ipv6_address> [port <integer>] ) [ - key <string> ]; ... }; + masters [ port <integer> ] { ( <masters> | <ipv4_address> [ + port <integer> ] | <ipv6_address> [ port <integer> ] ) + [ key <string> ]; ... }; max-ixfr-log-size <size>; // obsolete max-journal-size <size_no_default>; max-refresh-time <integer>; @@ -478,9 +481,9 @@ zone <string> <optional_class> { key-directory <quoted_string>; maintain-ixfr-base <boolean>; // obsolete masterfile-format ( text | raw ); - masters [ port <integer> ] { ( <masters> | <ipv4_address> [port - <integer>] | <ipv6_address> [port <integer>] ) [ key <string> - ]; ... }; + masters [ port <integer> ] { ( <masters> | <ipv4_address> [ port + <integer> ] | <ipv6_address> [ port <integer> ] ) [ key + <string> ]; ... }; max-ixfr-log-size <size>; // obsolete max-journal-size <size_no_default>; max-refresh-time <integer>; diff --git a/lib/bind/api b/lib/bind/api index a87852a8..a2d21190 100644 --- a/lib/bind/api +++ b/lib/bind/api @@ -1,3 +1,3 @@ -LIBINTERFACE = 4 -LIBREVISION = 10 -LIBAGE = 0 +LIBINTERFACE = 5 +LIBREVISION = 0 +LIBAGE = 1 diff --git a/lib/bind/bsd/Makefile.in b/lib/bind/bsd/Makefile.in index 3cbd7763..de228d29 100644 --- a/lib/bind/bsd/Makefile.in +++ b/lib/bind/bsd/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2001 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.9 2007/06/19 23:47:13 tbox Exp $ +# $Id: Makefile.in,v 1.9.128.2 2008/03/20 23:46:31 tbox Exp $ srcdir= @srcdir@ VPATH = @srcdir@ @@ -34,6 +34,6 @@ SRCS= daemon.c ftruncate.c gettimeofday.c mktemp.c putenv.c \ TARGETS= ${OBJS} -CINCLUDES= -I.. -I${srcdir}/../include +CINCLUDES= -I.. -I../include -I${srcdir}/../include @BIND9_MAKE_RULES@ diff --git a/lib/bind/bsd/strerror.c b/lib/bind/bsd/strerror.c index 416cad48..7b125929 100644 --- a/lib/bind/bsd/strerror.c +++ b/lib/bind/bsd/strerror.c @@ -1,6 +1,6 @@ #if defined(LIBC_SCCS) && !defined(lint) static const char sccsid[] = "@(#)strerror.c 8.1 (Berkeley) 6/4/93"; -static const char rcsid[] = "$Id: strerror.c,v 1.5 2005/04/27 04:56:12 sra Exp $"; +static const char rcsid[] = "$Id: strerror.c,v 1.5.672.1 2008/02/18 04:10:16 marka Exp $"; #endif /* LIBC_SCCS and not lint */ /* @@ -60,12 +60,14 @@ isc_strerror(int num) { static char ebuf[40] = UPREFIX; /*%< 64-bit number + slop */ u_int errnum; char *p, *t; +#ifndef USE_SYSERROR_LIST const char *ret; +#endif char tmp[40]; errnum = num; /*%< convert to unsigned */ #ifdef USE_SYSERROR_LIST - if (errnum < sys_nerr) + if (errnum < (u_int)sys_nerr) return (sys_errlist[errnum]); #else #undef strerror diff --git a/lib/bind/bsd/strtoul.c b/lib/bind/bsd/strtoul.c index 5d066a93..d942df07 100644 --- a/lib/bind/bsd/strtoul.c +++ b/lib/bind/bsd/strtoul.c @@ -1,6 +1,6 @@ #if defined(LIBC_SCCS) && !defined(lint) static const char sccsid[] = "@(#)strtoul.c 8.1 (Berkeley) 6/4/93"; -static const char rcsid[] = "$Id: strtoul.c,v 1.3 2005/04/27 04:56:12 sra Exp $"; +static const char rcsid[] = "$Id: strtoul.c,v 1.3.672.1 2008/02/18 04:10:16 marka Exp $"; #endif /* LIBC_SCCS and not lint */ /* @@ -70,7 +70,7 @@ strtoul(const char *nptr, char **endptr, int base) { * See strtol for comments as to the logic used. */ do { - c = *(unsigned char *)s++; + c = *(const unsigned char *)s++; } while (isspace(c)); if (c == '-') { neg = 1; @@ -87,7 +87,7 @@ strtoul(const char *nptr, char **endptr, int base) { base = c == '0' ? 8 : 10; cutoff = (u_long)ULONG_MAX / (u_long)base; cutlim = (u_long)ULONG_MAX % (u_long)base; - for (acc = 0, any = 0;; c = *(unsigned char*)s++) { + for (acc = 0, any = 0;; c = *(const unsigned char*)s++) { if (isdigit(c)) c -= '0'; else if (isalpha(c)) @@ -96,7 +96,7 @@ strtoul(const char *nptr, char **endptr, int base) { break; if (c >= base) break; - if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim) + if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim)) any = -1; else { any = 1; @@ -110,7 +110,7 @@ strtoul(const char *nptr, char **endptr, int base) { } else if (neg) acc = -acc; if (endptr != 0) - *endptr = (char *)(any ? s - 1 : nptr); + DE_CONST((any ? s - 1 : nptr), *endptr); return (acc); } diff --git a/lib/bind/config.h.in b/lib/bind/config.h.in index 69ea2854..5e2a83de 100644 --- a/lib/bind/config.h.in +++ b/lib/bind/config.h.in @@ -5,6 +5,7 @@ #undef HAVE_STROPTS_H #undef HAVE_SYS_TIMERS_H #undef HAVE_SYS_SELECT_H +#undef HAVE_MEMORY_H #undef SYS_CDEFS_H #undef _POSIX_PTHREAD_SEMANTICS #undef POSIX_GETPWUID_R @@ -13,6 +14,12 @@ #undef POSIX_GETGRNAM_R #undef HAVE_MEMMOVE #undef HAVE_MEMCHR +#undef SPRINTF_CHAR +#undef VSPRINTF_CHAR +#undef USE_SYSERROR_LIST +#undef NEED_STRTOUL +#undef NEED_SUN4PROTOS +#undef REENABLE_SEND #undef NEED_SETGROUPENT #undef NEED_GETGROUPLIST diff --git a/lib/bind/configure b/lib/bind/configure index 518e43a1..0938c1a4 100755 --- a/lib/bind/configure +++ b/lib/bind/configure @@ -1,5 +1,5 @@ #! /bin/sh -# From configure.in Revision: 1.128.128.2 . +# From configure.in Revision: 1.128.128.7 . # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.61. # @@ -929,7 +929,6 @@ ISC_PLATFORM_NEEDSTRSEP ISC_PLATFORM_NEEDVSNPRINTF ISC_EXTRA_OBJS ISC_EXTRA_SRCS -USE_SYSERROR_LIST ISC_PLATFORM_QUADFORMAT ISC_SOCKLEN_T GETGROUPLIST_ARGS @@ -972,6 +971,7 @@ HOST_R_SET_RESULT HOST_R_SET_RETURN SETPWENT_VOID SETGRENT_VOID +NGR_R_CONST NGR_R_ARGS NGR_R_BAD NGR_R_COPY @@ -981,9 +981,11 @@ NGR_R_RETURN NGR_R_PRIVATE NGR_R_END_RESULT NGR_R_END_RETURN -NGR_R_ENT_ARGS +NGR_R_END_ARGS NGR_R_SET_RESULT NGR_R_SET_RETURN +NGR_R_SET_ARGS +NGR_R_SET_CONST PROTO_R_ARGS PROTO_R_BAD PROTO_R_COPY @@ -4248,7 +4250,8 @@ done -for ac_header in fcntl.h db.h paths.h sys/time.h unistd.h sys/sockio.h sys/select.h sys/timers.h stropts.h + +for ac_header in fcntl.h db.h paths.h sys/time.h unistd.h sys/sockio.h sys/select.h sys/timers.h stropts.h memory.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then @@ -7258,6 +7261,96 @@ _ACEOF fi +{ echo "$as_me:$LINENO: checking for strtoul" >&5 +echo $ECHO_N "checking for strtoul... $ECHO_C" >&6; } +if test "${ac_cv_func_strtoul+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define strtoul to an innocuous variant, in case <limits.h> declares strtoul. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define strtoul innocuous_strtoul + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char strtoul (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef strtoul + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char strtoul (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_strtoul || defined __stub___strtoul +choke me +#endif + +int +main () +{ +return strtoul (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + ac_cv_func_strtoul=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_func_strtoul=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +fi +{ echo "$as_me:$LINENO: result: $ac_cv_func_strtoul" >&5 +echo "${ECHO_T}$ac_cv_func_strtoul" >&6; } +if test $ac_cv_func_strtoul = yes; then + : +else + cat >>confdefs.h <<\_ACEOF +#define NEED_STRTOUL 1 +_ACEOF + +fi + { echo "$as_me:$LINENO: checking for if_nametoindex" >&5 echo $ECHO_N "checking for if_nametoindex... $ECHO_C" >&6; } @@ -7624,6 +7717,61 @@ fi +if test -n "$NEED_STRERROR" +then + { echo "$as_me:$LINENO: checking for extern char * sys_errlist" >&5 +echo $ECHO_N "checking for extern char * sys_errlist... $ECHO_C" >&6; } + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + extern int sys_nerr; extern char *sys_errlist[]; +int +main () +{ + const char *p = sys_errlist[0]; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + { echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6; } + cat >>confdefs.h <<\_ACEOF +#define USE_SYSERROR_LIST 1 +_ACEOF + +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext +fi + # # flockfile is usually provided by pthreads, but we may want to use it # even if compiled with --disable-threads. @@ -8425,6 +8573,14 @@ esac # # GNU libtool support # +case $host in +sunos*) + # Just set the maximum command line length for sunos as it otherwise + # takes a exceptionally long time to work it out. Required for libtool. + lt_cv_sys_max_cmd_len=4096; + ;; +esac + # Check whether --with-libtool was given. if test "${with_libtool+set}" = set; then @@ -8972,7 +9128,7 @@ ia64-*-hpux*) ;; *-*-irix6*) # Find out which ABI we are using. - echo '#line 8975 "configure"' > conftest.$ac_ext + echo '#line 9131 "configure"' > conftest.$ac_ext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? @@ -11094,11 +11250,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:11097: $lt_compile\"" >&5) + (eval echo "\"\$as_me:11253: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:11101: \$? = $ac_status" >&5 + echo "$as_me:11257: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -11337,11 +11493,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:11340: $lt_compile\"" >&5) + (eval echo "\"\$as_me:11496: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:11344: \$? = $ac_status" >&5 + echo "$as_me:11500: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -11397,11 +11553,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:11400: $lt_compile\"" >&5) + (eval echo "\"\$as_me:11556: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:11404: \$? = $ac_status" >&5 + echo "$as_me:11560: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -13545,7 +13701,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 13548 "configure" +#line 13704 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -13643,7 +13799,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 13646 "configure" +#line 13802 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -15836,11 +15992,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:15839: $lt_compile\"" >&5) + (eval echo "\"\$as_me:15995: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:15843: \$? = $ac_status" >&5 + echo "$as_me:15999: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -15896,11 +16052,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:15899: $lt_compile\"" >&5) + (eval echo "\"\$as_me:16055: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:15903: \$? = $ac_status" >&5 + echo "$as_me:16059: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -17224,7 +17380,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 17227 "configure" +#line 17383 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -17322,7 +17478,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 17325 "configure" +#line 17481 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -18159,11 +18315,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:18162: $lt_compile\"" >&5) + (eval echo "\"\$as_me:18318: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:18166: \$? = $ac_status" >&5 + echo "$as_me:18322: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -18219,11 +18375,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:18222: $lt_compile\"" >&5) + (eval echo "\"\$as_me:18378: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:18226: \$? = $ac_status" >&5 + echo "$as_me:18382: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -20253,11 +20409,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:20256: $lt_compile\"" >&5) + (eval echo "\"\$as_me:20412: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:20260: \$? = $ac_status" >&5 + echo "$as_me:20416: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -20496,11 +20652,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:20499: $lt_compile\"" >&5) + (eval echo "\"\$as_me:20655: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:20503: \$? = $ac_status" >&5 + echo "$as_me:20659: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings @@ -20556,11 +20712,11 @@ else -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:20559: $lt_compile\"" >&5) + (eval echo "\"\$as_me:20715: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:20563: \$? = $ac_status" >&5 + echo "$as_me:20719: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -22704,7 +22860,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 22707 "configure" +#line 22863 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -22802,7 +22958,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<EOF -#line 22805 "configure" +#line 22961 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -24504,6 +24660,11 @@ rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ # case "$host" in *-dec-osf*) + # Tru64 broke send() by defining it to send_OBSOLETE + cat >>confdefs.h <<\_ACEOF +#define REENABLE_SEND 1 +_ACEOF + # Turn on 4.4BSD style sa_len support. cat >>confdefs.h <<\_ACEOF #define _SOCKADDR_LEN 1 @@ -24621,6 +24782,10 @@ case "$host" in *-qnx*) PORT_DIR="port/qnx";; *-rhapsody*) PORT_DIR="port/rhapsody";; *-sunos4*) + cat >>confdefs.h <<\_ACEOF +#define NEED_SUN4PROTOS 1 +_ACEOF + PORT_NONBLOCK="#define PORT_NONBLOCK O_NDELAY" PORT_DIR="port/sunos";; *-solaris2.[01234]) @@ -25917,64 +26082,35 @@ else ISC_PLATFORM_NEEDSTRSEP="#define ISC_PLATFORM_NEEDSTRSEP 1" fi -{ echo "$as_me:$LINENO: checking for vsnprintf" >&5 -echo $ECHO_N "checking for vsnprintf... $ECHO_C" >&6; } -if test "${ac_cv_func_vsnprintf+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - cat >conftest.$ac_ext <<_ACEOF + + +{ echo "$as_me:$LINENO: checking for char *sprintf" >&5 +echo $ECHO_N "checking for char *sprintf... $ECHO_C" >&6; } +cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ -/* Define vsnprintf to an innocuous variant, in case <limits.h> declares vsnprintf. - For example, HP-UX 11i <limits.h> declares gettimeofday. */ -#define vsnprintf innocuous_vsnprintf - -/* System header to define __stub macros and hopefully few prototypes, - which can conflict with char vsnprintf (); below. - Prefer <limits.h> to <assert.h> if __STDC__ is defined, since - <limits.h> exists even on freestanding compilers. */ - -#ifdef __STDC__ -# include <limits.h> -#else -# include <assert.h> -#endif -#undef vsnprintf - -/* Override any GCC internal prototype to avoid an error. - Use char because int might match the return type of a GCC - builtin and then its argument prototype would still apply. */ -#ifdef __cplusplus -extern "C" -#endif -char vsnprintf (); -/* The GNU C library defines this for functions which it implements - to always fail with ENOSYS. Some functions are actually named - something starting with __ and the normal name is an alias. */ -#if defined __stub_vsnprintf || defined __stub___vsnprintf -choke me -#endif +#include <stdio.h> int main () { -return vsnprintf (); + char buf[2]; return(*sprintf(buf,"x")); ; return 0; } _ACEOF -rm -f conftest.$ac_objext conftest$ac_exeext -if { (ac_try="$ac_link" +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 - (eval "$ac_link") 2>conftest.er1 + (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 @@ -25983,37 +26119,94 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (exit $ac_status); } && { test -z "$ac_c_werror_flag" || test ! -s conftest.err - } && test -s conftest$ac_exeext && - $as_test_x conftest$ac_exeext; then - ac_cv_func_vsnprintf=yes + } && test -s conftest.$ac_objext; then + cat >>confdefs.h <<\_ACEOF +#define SPRINTF_CHAR 1 +_ACEOF + +{ echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6; } + else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 - ac_cv_func_vsnprintf=no -fi + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } -rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ - conftest$ac_exeext conftest.$ac_ext -fi -{ echo "$as_me:$LINENO: result: $ac_cv_func_vsnprintf" >&5 -echo "${ECHO_T}$ac_cv_func_vsnprintf" >&6; } -if test $ac_cv_func_vsnprintf = yes; then - ISC_PLATFORM_NEEDVSNPRINTF="#undef ISC_PLATFORM_NEEDVSNPRINTF" -else - ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS print.$O" - ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS print.c" - ISC_PLATFORM_NEEDVSNPRINTF="#define ISC_PLATFORM_NEEDVSNPRINTF 1" fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +{ echo "$as_me:$LINENO: checking for char *vsprintf" >&5 +echo $ECHO_N "checking for char *vsprintf... $ECHO_C" >&6; } +case $host in +*sunos4*) # not decared in any header file. +cat >>confdefs.h <<\_ACEOF +#define VSPRINTF_CHAR 1 +_ACEOF +{ echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6; } +;; +*) +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <stdio.h> +int +main () +{ + char buf[2]; return(*vsprintf(buf,"x")); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + cat >>confdefs.h <<\_ACEOF +#define VSPRINTF_CHAR 1 +_ACEOF -{ echo "$as_me:$LINENO: checking for strerror" >&5 -echo $ECHO_N "checking for strerror... $ECHO_C" >&6; } -if test "${ac_cv_func_strerror+set}" = set; then +{ echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6; } + +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } + +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +;; +esac + +{ echo "$as_me:$LINENO: checking for vsnprintf" >&5 +echo $ECHO_N "checking for vsnprintf... $ECHO_C" >&6; } +if test "${ac_cv_func_vsnprintf+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF @@ -26022,12 +26215,12 @@ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ -/* Define strerror to an innocuous variant, in case <limits.h> declares strerror. +/* Define vsnprintf to an innocuous variant, in case <limits.h> declares vsnprintf. For example, HP-UX 11i <limits.h> declares gettimeofday. */ -#define strerror innocuous_strerror +#define vsnprintf innocuous_vsnprintf /* System header to define __stub macros and hopefully few prototypes, - which can conflict with char strerror (); below. + which can conflict with char vsnprintf (); below. Prefer <limits.h> to <assert.h> if __STDC__ is defined, since <limits.h> exists even on freestanding compilers. */ @@ -26037,7 +26230,7 @@ cat >>conftest.$ac_ext <<_ACEOF # include <assert.h> #endif -#undef strerror +#undef vsnprintf /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC @@ -26045,18 +26238,18 @@ cat >>conftest.$ac_ext <<_ACEOF #ifdef __cplusplus extern "C" #endif -char strerror (); +char vsnprintf (); /* The GNU C library defines this for functions which it implements to always fail with ENOSYS. Some functions are actually named something starting with __ and the normal name is an alias. */ -#if defined __stub_strerror || defined __stub___strerror +#if defined __stub_vsnprintf || defined __stub___vsnprintf choke me #endif int main () { -return strerror (); +return vsnprintf (); ; return 0; } @@ -26079,28 +26272,33 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 test ! -s conftest.err } && test -s conftest$ac_exeext && $as_test_x conftest$ac_exeext; then - ac_cv_func_strerror=yes + ac_cv_func_vsnprintf=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 - ac_cv_func_strerror=no + ac_cv_func_vsnprintf=no fi rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ conftest$ac_exeext conftest.$ac_ext fi -{ echo "$as_me:$LINENO: result: $ac_cv_func_strerror" >&5 -echo "${ECHO_T}$ac_cv_func_strerror" >&6; } -if test $ac_cv_func_strerror = yes; then - USE_SYSERROR_LIST="#undef USE_SYSERROR_LIST" +{ echo "$as_me:$LINENO: result: $ac_cv_func_vsnprintf" >&5 +echo "${ECHO_T}$ac_cv_func_vsnprintf" >&6; } +if test $ac_cv_func_vsnprintf = yes; then + ISC_PLATFORM_NEEDVSNPRINTF="#undef ISC_PLATFORM_NEEDVSNPRINTF" else - USE_SYSERROR_LIST="#define USE_SYSERROR_LIST 1" + ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS print.$O" + ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS print.c" + ISC_PLATFORM_NEEDVSNPRINTF="#define ISC_PLATFORM_NEEDVSNPRINTF 1" fi -# + + + + # Determine the printf format characters to use when printing # values of type isc_int64_t. We make the assumption that platforms # where a "long long" is the same size as a "long" (e.g., Alpha/OSF1) @@ -29054,7 +29252,21 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext case $host in ia64-hp-hpux11.*) +NGR_R_CONST="#define NGR_R_CONST" ;; +*-hp-hpux11.*) +# +# HPUX doesn't have a prototype for getnetgrent_r(). +# +NGR_R_CONST="#define NGR_R_CONST" +NGR_R_ARGS="#define NGR_R_ARGS char *buf, int buflen" +NGR_R_BAD="#define NGR_R_BAD (0)" +NGR_R_COPY="#define NGR_R_COPY buf, buflen" +NGR_R_COPY_ARGS="#define NGR_R_COPY_ARGS NGR_R_ARGS" +NGR_R_OK="#define NGR_R_OK 1" +NGR_R_RETURN="#define NGR_R_RETURN int" +;; + *) { echo "$as_me:$LINENO: checking for getnetgrent_r" >&5 echo $ECHO_N "checking for getnetgrent_r... $ECHO_C" >&6; } @@ -29147,7 +29359,10 @@ cat >>conftest.$ac_ext <<_ACEOF #undef __USE_MISC #define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT #include <netdb.h> +#include <unistd.h> int getnetgrent_r(char **m, char **u, char **d, char *b, int l) {} @@ -29177,6 +29392,7 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 test ! -s conftest.err } && test -s conftest.$ac_objext; then +NGR_R_CONST="#define NGR_R_CONST" NGR_R_ARGS="#define NGR_R_ARGS char *buf, int buflen" NGR_R_BAD="#define NGR_R_BAD (0)" NGR_R_COPY="#define NGR_R_COPY buf, buflen" @@ -29198,7 +29414,10 @@ cat >>conftest.$ac_ext <<_ACEOF #undef __USE_MISC #define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT #include <netdb.h> +#include <unistd.h> int getnetgrent_r(char **m, char **u, char **d, char *b, size_t l) {} @@ -29228,6 +29447,7 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 test ! -s conftest.err } && test -s conftest.$ac_objext; then +NGR_R_CONST="#define NGR_R_CONST" NGR_R_ARGS="#define NGR_R_ARGS char *buf, size_t buflen" NGR_R_BAD="#define NGR_R_BAD (0)" NGR_R_COPY="#define NGR_R_COPY buf, buflen" @@ -29249,8 +29469,11 @@ cat >>conftest.$ac_ext <<_ACEOF #undef __USE_MISC #define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT #include <netdb.h> -extern int getnetgrent_r( char **, char **, char **, void **); +#include <unistd.h> +extern int getnetgrent_r(char **, char **, char **, void **); int @@ -29279,6 +29502,7 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 test ! -s conftest.err } && test -s conftest.$ac_objext; then +NGR_R_CONST="#define NGR_R_CONST" NGR_R_ARGS="#define NGR_R_ARGS void **buf" NGR_R_BAD="#define NGR_R_BAD (0)" NGR_R_COPY="#define NGR_R_COPY buf" @@ -29292,6 +29516,66 @@ else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +#undef __USE_MISC +#define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT +#include <netdb.h> +#include <unistd.h> +extern int getnetgrent_r(const char **, const char **, const char **, void *); + + +int +main () +{ +return (0); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + +NGR_R_CONST="#define NGR_R_CONST const" +NGR_R_ARGS="#define NGR_R_ARGS void *buf" +NGR_R_BAD="#define NGR_R_BAD (0)" +NGR_R_COPY="#define NGR_R_COPY buf" +NGR_R_COPY_ARGS="#define NGR_R_COPY_ARGS NGR_R_ARGS" +NGR_R_OK="#define NGR_R_OK 1" +NGR_R_RETURN="#define NGR_R_RETURN int" +NGR_R_PRIVATE="#define NGR_R_PRIVATE 2" + + +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi @@ -29306,7 +29590,8 @@ fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext else - NGR_R_ARGS="#define NGR_R_ARGS char *buf, int buflen" + NGR_R_CONST="#define NGR_R_CONST" +NGR_R_ARGS="#define NGR_R_ARGS char *buf, int buflen" NGR_R_BAD="#define NGR_R_BAD (0)" NGR_R_COPY="#define NGR_R_COPY buf, buflen" NGR_R_COPY_ARGS="#define NGR_R_COPY_ARGS NGR_R_ARGS" @@ -29324,6 +29609,7 @@ esac + { echo "$as_me:$LINENO: checking for endnetgrent_r" >&5 echo $ECHO_N "checking for endnetgrent_r... $ECHO_C" >&6; } if test "${ac_cv_func_endnetgrent_r+set}" = set; then @@ -29415,7 +29701,10 @@ cat >>conftest.$ac_ext <<_ACEOF #undef __USE_MISC #define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT #include <netdb.h> +#include <unistd.h> void endnetgrent_r(void **ptr); @@ -29448,7 +29737,59 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 NGR_R_END_RESULT="#define NGR_R_END_RESULT(x) /* empty */" NGR_R_END_RETURN="#define NGR_R_END_RETURN void" -NGR_R_ENT_ARGS="#define NGR_R_ENT_ARGS NGR_R_ARGS" +NGR_R_END_ARGS="#define NGR_R_END_ARGS NGR_R_ARGS" + + +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +#undef __USE_MISC +#define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT +#include <netdb.h> +#include <unistd.h> +void endnetgrent_r(void *ptr); + + +int +main () +{ +return (0); + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + +NGR_R_END_RESULT="#define NGR_R_END_RESULT(x) /* empty */" +NGR_R_END_RETURN="#define NGR_R_END_RETURN void" +NGR_R_END_ARGS="#define NGR_R_END_ARGS void *buf" else @@ -29458,8 +29799,12 @@ sed 's/^/| /' conftest.$ac_ext >&5 NGR_R_END_RESULT="#define NGR_R_END_RESULT(x) return (x)" NGR_R_END_RETURN="#define NGR_R_END_RETURN int" -NGR_R_ENT_ARGS="#define NGR_R_ENT_ARGS NGR_R_ARGS" +NGR_R_END_ARGS="#define NGR_R_END_ARGS NGR_R_ARGS" + +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi @@ -29468,7 +29813,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext else NGR_R_END_RESULT="#define NGR_R_END_RESULT(x) /*empty*/" NGR_R_END_RETURN="#define NGR_R_END_RETURN void" -NGR_R_ENT_ARGS="#undef NGR_R_ENT_ARGS /*empty*/" +NGR_R_END_ARGS="#undef NGR_R_END_ARGS /*empty*/" cat >>confdefs.h <<\_ACEOF #define NEED_ENDNETGRENT_R 1 _ACEOF @@ -29565,25 +29910,161 @@ if test $ac_cv_func_setnetgrent_r = yes; then case "$host" in *bsdi*) + # + # No prototype + # NGR_R_SET_RESULT="#undef NGR_R_SET_RESULT /*empty*/" NGR_R_SET_RETURN="#define NGR_R_SET_RETURN void" + NGR_R_SET_ARGS="#define NGR_R_SET_ARGS NGR_R_ARGS" + NGR_R_SET_CONST="#define NGR_R_SET_CONST" ;; -*) +*hpux*) + # + # No prototype + # NGR_R_SET_RESULT="#define NGR_R_SET_RESULT NGR_R_OK" NGR_R_SET_RETURN="#define NGR_R_SET_RETURN int" + NGR_R_SET_ARGS="#undef NGR_R_SET_ARGS /* empty */" + NGR_R_SET_CONST="#define NGR_R_SET_CONST" ;; +*) +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +#undef __USE_MISC +#define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT +#include <netdb.h> +#include <unistd.h> +void setnetgrent_r(void **ptr); + + +int +main () +{ +return (0); + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + +NGR_R_SET_RESULT="#undef NGR_R_SET_RESULT /* empty */" +NGR_R_SET_RETURN="#define NGR_R_SET_RETURN void" +NGR_R_SET_ARGS="#define NGR_R_SET_ARGS void **buf" +NGR_R_SET_CONST="#define NGR_R_SET_CONST" + + +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +#undef __USE_MISC +#define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT +#include <netdb.h> +#include <unistd.h> +extern int setnetgrent_r(char *, void **); + + +int +main () +{ +return (0); + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + +NGR_R_SET_RESULT="#define NGR_R_SET_RESULT NGR_R_OK" +NGR_R_SET_RETURN="#define NGR_R_SET_RETURN int" +NGR_R_SET_ARGS="#define NGR_R_SET_ARGS void **buf" +NGR_R_SET_CONST="#define NGR_R_SET_CONST" + + +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + +NGR_R_SET_RESULT="#define NGR_R_SET_RESULT NGR_R_OK" +NGR_R_SET_RETURN="#define NGR_R_SET_RETURN int" +NGR_R_SET_ARGS="#undef NGR_R_SET_ARGS" +NGR_R_SET_CONST="#define NGR_R_SET_CONST const" + + +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +;; esac else NGR_R_SET_RESULT="#undef NGR_R_SET_RESULT /*empty*/" NGR_R_SET_RETURN="#define NGR_R_SET_RETURN void" +NGR_R_SET_ARGS="#undef NGR_R_SET_ARGS" +NGR_R_SET_CONST="#define NGR_R_SET_CONST const" fi + + + { echo "$as_me:$LINENO: checking for innetgr_r" >&5 echo $ECHO_N "checking for innetgr_r... $ECHO_C" >&6; } if test "${ac_cv_func_innetgr_r+set}" = set; then @@ -33211,7 +33692,6 @@ ISC_PLATFORM_NEEDSTRSEP!$ISC_PLATFORM_NEEDSTRSEP$ac_delim ISC_PLATFORM_NEEDVSNPRINTF!$ISC_PLATFORM_NEEDVSNPRINTF$ac_delim ISC_EXTRA_OBJS!$ISC_EXTRA_OBJS$ac_delim ISC_EXTRA_SRCS!$ISC_EXTRA_SRCS$ac_delim -USE_SYSERROR_LIST!$USE_SYSERROR_LIST$ac_delim ISC_PLATFORM_QUADFORMAT!$ISC_PLATFORM_QUADFORMAT$ac_delim ISC_SOCKLEN_T!$ISC_SOCKLEN_T$ac_delim GETGROUPLIST_ARGS!$GETGROUPLIST_ARGS$ac_delim @@ -33235,6 +33715,7 @@ GROUP_R_OK!$GROUP_R_OK$ac_delim GROUP_R_RETURN!$GROUP_R_RETURN$ac_delim GROUP_R_END_RESULT!$GROUP_R_END_RESULT$ac_delim GROUP_R_END_RETURN!$GROUP_R_END_RETURN$ac_delim +GROUP_R_ENT_ARGS!$GROUP_R_ENT_ARGS$ac_delim _ACEOF if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then @@ -33276,7 +33757,6 @@ _ACEOF ac_delim='%!_!# ' for ac_last_try in false false false false false :; do cat >conf$$subs.sed <<_ACEOF -GROUP_R_ENT_ARGS!$GROUP_R_ENT_ARGS$ac_delim GROUP_R_SET_RESULT!$GROUP_R_SET_RESULT$ac_delim GROUP_R_SET_RETURN!$GROUP_R_SET_RETURN$ac_delim HOST_R_ARGS!$HOST_R_ARGS$ac_delim @@ -33295,6 +33775,7 @@ HOST_R_SET_RESULT!$HOST_R_SET_RESULT$ac_delim HOST_R_SET_RETURN!$HOST_R_SET_RETURN$ac_delim SETPWENT_VOID!$SETPWENT_VOID$ac_delim SETGRENT_VOID!$SETGRENT_VOID$ac_delim +NGR_R_CONST!$NGR_R_CONST$ac_delim NGR_R_ARGS!$NGR_R_ARGS$ac_delim NGR_R_BAD!$NGR_R_BAD$ac_delim NGR_R_COPY!$NGR_R_COPY$ac_delim @@ -33304,9 +33785,11 @@ NGR_R_RETURN!$NGR_R_RETURN$ac_delim NGR_R_PRIVATE!$NGR_R_PRIVATE$ac_delim NGR_R_END_RESULT!$NGR_R_END_RESULT$ac_delim NGR_R_END_RETURN!$NGR_R_END_RETURN$ac_delim -NGR_R_ENT_ARGS!$NGR_R_ENT_ARGS$ac_delim +NGR_R_END_ARGS!$NGR_R_END_ARGS$ac_delim NGR_R_SET_RESULT!$NGR_R_SET_RESULT$ac_delim NGR_R_SET_RETURN!$NGR_R_SET_RETURN$ac_delim +NGR_R_SET_ARGS!$NGR_R_SET_ARGS$ac_delim +NGR_R_SET_CONST!$NGR_R_SET_CONST$ac_delim PROTO_R_ARGS!$PROTO_R_ARGS$ac_delim PROTO_R_BAD!$PROTO_R_BAD$ac_delim PROTO_R_COPY!$PROTO_R_COPY$ac_delim @@ -33354,7 +33837,7 @@ LIBOBJS!$LIBOBJS$ac_delim LTLIBOBJS!$LTLIBOBJS$ac_delim _ACEOF - if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 76; then + if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 78; then break elif $ac_last_try; then { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5 diff --git a/lib/bind/configure.in b/lib/bind/configure.in index 50a6212f..f809a48e 100644 --- a/lib/bind/configure.in +++ b/lib/bind/configure.in @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -AC_REVISION($Revision: 1.128.128.2 $) +AC_REVISION($Revision: 1.128.128.7 $) AC_INIT(resolv/herror.c) AC_PREREQ(2.13) @@ -169,7 +169,7 @@ AC_PROG_CC AC_HEADER_STDC -AC_CHECK_HEADERS(fcntl.h db.h paths.h sys/time.h unistd.h sys/sockio.h sys/select.h sys/timers.h stropts.h) +AC_CHECK_HEADERS(fcntl.h db.h paths.h sys/time.h unistd.h sys/sockio.h sys/select.h sys/timers.h stropts.h memory.h) AC_C_CONST AC_C_INLINE @@ -461,6 +461,7 @@ AC_SUBST(WANT_THREADS_OBJS) AC_CHECK_FUNC(strlcat, AC_DEFINE(HAVE_STRLCAT)) AC_CHECK_FUNC(memmove, AC_DEFINE(HAVE_MEMMOVE)) AC_CHECK_FUNC(memchr, AC_DEFINE(HAVE_MEMCHR)) +AC_CHECK_FUNC(strtoul, , AC_DEFINE(NEED_STRTOUL)) AC_CHECK_FUNC(if_nametoindex, [USE_IFNAMELINKID="#define USE_IFNAMELINKID 1"], @@ -490,6 +491,16 @@ AC_CHECK_FUNC(strerror, [NEED_STRERROR="#undef NEED_STRERROR"], [NEED_STRERROR="#define NEED_STRERROR 1"]) AC_SUBST(NEED_STRERROR) +if test -n "$NEED_STRERROR" +then + AC_MSG_CHECKING([for extern char * sys_errlist[]]) + AC_TRY_LINK([ extern int sys_nerr; extern char *sys_errlist[]; ], + [ const char *p = sys_errlist[0]; ], + AC_MSG_RESULT(yes) + AC_DEFINE(USE_SYSERROR_LIST), + AC_MSG_RESULT(no)) +fi + # # flockfile is usually provided by pthreads, but we may want to use it # even if compiled with --disable-threads. @@ -666,6 +677,14 @@ AC_SUBST(PURIFY) # # GNU libtool support # +case $host in +sunos*) + # Just set the maximum command line length for sunos as it otherwise + # takes a exceptionally long time to work it out. Required for libtool. + lt_cv_sys_max_cmd_len=4096; + ;; +esac + AC_ARG_WITH(libtool, [ --with-libtool use GNU libtool (following indented options supported)], use_libtool="$withval", use_libtool="no") @@ -976,6 +995,8 @@ AC_SUBST(ISC_PLATFORM_NEEDATON) # case "$host" in *-dec-osf*) + # Tru64 broke send() by defining it to send_OBSOLETE + AC_DEFINE(REENABLE_SEND) # Turn on 4.4BSD style sa_len support. AC_DEFINE(_SOCKADDR_LEN) ;; @@ -1050,6 +1071,7 @@ case "$host" in *-qnx*) PORT_DIR="port/qnx";; *-rhapsody*) PORT_DIR="port/rhapsody";; *-sunos4*) + AC_DEFINE(NEED_SUN4PROTOS) PORT_NONBLOCK="#define PORT_NONBLOCK O_NDELAY" PORT_DIR="port/sunos";; *-solaris2.[[01234]]) @@ -1246,6 +1268,38 @@ found_rt_iflist AC_CHECK_FUNC(strsep, [ISC_PLATFORM_NEEDSTRSEP="#undef ISC_PLATFORM_NEEDSTRSEP"], [ISC_PLATFORM_NEEDSTRSEP="#define ISC_PLATFORM_NEEDSTRSEP 1"]) + + +AC_MSG_CHECKING(for char *sprintf) +AC_TRY_COMPILE([ +#include <stdio.h> +], +[ char buf[2]; return(*sprintf(buf,"x"));], +AC_DEFINE(SPRINTF_CHAR) +AC_MSG_RESULT(yes) +, +AC_MSG_RESULT(no) +) + +AC_MSG_CHECKING(for char *vsprintf) +case $host in +*sunos4*) # not decared in any header file. +AC_DEFINE(VSPRINTF_CHAR) +AC_MSG_RESULT(yes) +;; +*) +AC_TRY_COMPILE([ +#include <stdio.h> +], +[ char buf[2]; return(*vsprintf(buf,"x"));], +AC_DEFINE(VSPRINTF_CHAR) +AC_MSG_RESULT(yes) +, +AC_MSG_RESULT(no) +) +;; +esac + AC_CHECK_FUNC(vsnprintf, [ISC_PLATFORM_NEEDVSNPRINTF="#undef ISC_PLATFORM_NEEDVSNPRINTF"], [ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS print.$O" @@ -1256,12 +1310,7 @@ AC_SUBST(ISC_PLATFORM_NEEDVSNPRINTF) AC_SUBST(ISC_EXTRA_OBJS) AC_SUBST(ISC_EXTRA_SRCS) -AC_CHECK_FUNC(strerror, - [USE_SYSERROR_LIST="#undef USE_SYSERROR_LIST"], - [USE_SYSERROR_LIST="#define USE_SYSERROR_LIST 1"]) -AC_SUBST(USE_SYSERROR_LIST) -# # Determine the printf format characters to use when printing # values of type isc_int64_t. We make the assumption that platforms # where a "long long" is the same size as a "long" (e.g., Alpha/OSF1) @@ -1865,19 +1914,37 @@ AC_SUBST(SETGRENT_VOID) case $host in ia64-hp-hpux11.*) +NGR_R_CONST="#define NGR_R_CONST" ;; +*-hp-hpux11.*) +# +# HPUX doesn't have a prototype for getnetgrent_r(). +# +NGR_R_CONST="#define NGR_R_CONST" +NGR_R_ARGS="#define NGR_R_ARGS char *buf, int buflen" +NGR_R_BAD="#define NGR_R_BAD (0)" +NGR_R_COPY="#define NGR_R_COPY buf, buflen" +NGR_R_COPY_ARGS="#define NGR_R_COPY_ARGS NGR_R_ARGS" +NGR_R_OK="#define NGR_R_OK 1" +NGR_R_RETURN="#define NGR_R_RETURN int" +;; + *) AC_CHECK_FUNC(getnetgrent_r, AC_TRY_COMPILE( [ #undef __USE_MISC #define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT #include <netdb.h> +#include <unistd.h> int getnetgrent_r(char **m, char **u, char **d, char *b, int l) {} ] , [return (0);], [ +NGR_R_CONST="#define NGR_R_CONST" NGR_R_ARGS="#define NGR_R_ARGS char *buf, int buflen" NGR_R_BAD="#define NGR_R_BAD (0)" NGR_R_COPY="#define NGR_R_COPY buf, buflen" @@ -1890,12 +1957,16 @@ AC_TRY_COMPILE( [ #undef __USE_MISC #define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT #include <netdb.h> +#include <unistd.h> int getnetgrent_r(char **m, char **u, char **d, char *b, size_t l) {} ] , [return (0);], [ +NGR_R_CONST="#define NGR_R_CONST" NGR_R_ARGS="#define NGR_R_ARGS char *buf, size_t buflen" NGR_R_BAD="#define NGR_R_BAD (0)" NGR_R_COPY="#define NGR_R_COPY buf, buflen" @@ -1908,12 +1979,16 @@ AC_TRY_COMPILE( [ #undef __USE_MISC #define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT #include <netdb.h> -extern int getnetgrent_r( char **, char **, char **, void **); +#include <unistd.h> +extern int getnetgrent_r(char **, char **, char **, void **); ] , [return (0);], [ +NGR_R_CONST="#define NGR_R_CONST" NGR_R_ARGS="#define NGR_R_ARGS void **buf" NGR_R_BAD="#define NGR_R_BAD (0)" NGR_R_COPY="#define NGR_R_COPY buf" @@ -1923,10 +1998,35 @@ NGR_R_RETURN="#define NGR_R_RETURN int" NGR_R_PRIVATE="#define NGR_R_PRIVATE 1" ] , +AC_TRY_COMPILE( +[ +#undef __USE_MISC +#define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT +#include <netdb.h> +#include <unistd.h> +extern int getnetgrent_r(const char **, const char **, const char **, void *); +] +, +[return (0);], +[ +NGR_R_CONST="#define NGR_R_CONST const" +NGR_R_ARGS="#define NGR_R_ARGS void *buf" +NGR_R_BAD="#define NGR_R_BAD (0)" +NGR_R_COPY="#define NGR_R_COPY buf" +NGR_R_COPY_ARGS="#define NGR_R_COPY_ARGS NGR_R_ARGS" +NGR_R_OK="#define NGR_R_OK 1" +NGR_R_RETURN="#define NGR_R_RETURN int" +NGR_R_PRIVATE="#define NGR_R_PRIVATE 2" +] +, +) ) ) ) , +NGR_R_CONST="#define NGR_R_CONST" NGR_R_ARGS="#define NGR_R_ARGS char *buf, int buflen" NGR_R_BAD="#define NGR_R_BAD (0)" NGR_R_COPY="#define NGR_R_COPY buf, buflen" @@ -1935,6 +2035,7 @@ NGR_R_OK="#define NGR_R_OK 1" NGR_R_RETURN="#define NGR_R_RETURN int" ) esac +AC_SUBST(NGR_R_CONST) AC_SUBST(NGR_R_ARGS) AC_SUBST(NGR_R_BAD) AC_SUBST(NGR_R_COPY) @@ -1948,7 +2049,10 @@ AC_TRY_COMPILE( [ #undef __USE_MISC #define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT #include <netdb.h> +#include <unistd.h> void endnetgrent_r(void **ptr); ] , @@ -1957,44 +2061,128 @@ void endnetgrent_r(void **ptr); [ NGR_R_END_RESULT="#define NGR_R_END_RESULT(x) /* empty */" NGR_R_END_RETURN="#define NGR_R_END_RETURN void" -NGR_R_ENT_ARGS="#define NGR_R_ENT_ARGS NGR_R_ARGS" +NGR_R_END_ARGS="#define NGR_R_END_ARGS NGR_R_ARGS" +] +, +AC_TRY_COMPILE( +[ +#undef __USE_MISC +#define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT +#include <netdb.h> +#include <unistd.h> +void endnetgrent_r(void *ptr); +] +, +[return (0);] +, +[ +NGR_R_END_RESULT="#define NGR_R_END_RESULT(x) /* empty */" +NGR_R_END_RETURN="#define NGR_R_END_RETURN void" +NGR_R_END_ARGS="#define NGR_R_END_ARGS void *buf" ] , [ NGR_R_END_RESULT="#define NGR_R_END_RESULT(x) return (x)" NGR_R_END_RETURN="#define NGR_R_END_RETURN int" -NGR_R_ENT_ARGS="#define NGR_R_ENT_ARGS NGR_R_ARGS" +NGR_R_END_ARGS="#define NGR_R_END_ARGS NGR_R_ARGS" ] ) +) , NGR_R_END_RESULT="#define NGR_R_END_RESULT(x) /*empty*/" NGR_R_END_RETURN="#define NGR_R_END_RETURN void" -NGR_R_ENT_ARGS="#undef NGR_R_ENT_ARGS /*empty*/" +NGR_R_END_ARGS="#undef NGR_R_END_ARGS /*empty*/" AC_DEFINE(NEED_ENDNETGRENT_R) ) AC_SUBST(NGR_R_END_RESULT) AC_SUBST(NGR_R_END_RETURN) -AC_SUBST(NGR_R_ENT_ARGS) +AC_SUBST(NGR_R_END_ARGS) AC_CHECK_FUNC(setnetgrent_r, [ case "$host" in *bsdi*) + # + # No prototype + # NGR_R_SET_RESULT="#undef NGR_R_SET_RESULT /*empty*/" NGR_R_SET_RETURN="#define NGR_R_SET_RETURN void" + NGR_R_SET_ARGS="#define NGR_R_SET_ARGS NGR_R_ARGS" + NGR_R_SET_CONST="#define NGR_R_SET_CONST" ;; -*) +*hpux*) + # + # No prototype + # NGR_R_SET_RESULT="#define NGR_R_SET_RESULT NGR_R_OK" NGR_R_SET_RETURN="#define NGR_R_SET_RETURN int" + NGR_R_SET_ARGS="#undef NGR_R_SET_ARGS /* empty */" + NGR_R_SET_CONST="#define NGR_R_SET_CONST" ;; +*) +AC_TRY_COMPILE( +[ +#undef __USE_MISC +#define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT +#include <netdb.h> +#include <unistd.h> +void setnetgrent_r(void **ptr); +] +, +[return (0);] +, +[ +NGR_R_SET_RESULT="#undef NGR_R_SET_RESULT /* empty */" +NGR_R_SET_RETURN="#define NGR_R_SET_RETURN void" +NGR_R_SET_ARGS="#define NGR_R_SET_ARGS void **buf" +NGR_R_SET_CONST="#define NGR_R_SET_CONST" +] +, +AC_TRY_COMPILE( +[ +#undef __USE_MISC +#define __USE_MISC +#undef _REEENTRANT +#define _REEENTRANT +#include <netdb.h> +#include <unistd.h> +extern int setnetgrent_r(char *, void **); +] +, +[return (0);] +, +[ +NGR_R_SET_RESULT="#define NGR_R_SET_RESULT NGR_R_OK" +NGR_R_SET_RETURN="#define NGR_R_SET_RETURN int" +NGR_R_SET_ARGS="#define NGR_R_SET_ARGS void **buf" +NGR_R_SET_CONST="#define NGR_R_SET_CONST" +] +, +[ +NGR_R_SET_RESULT="#define NGR_R_SET_RESULT NGR_R_OK" +NGR_R_SET_RETURN="#define NGR_R_SET_RETURN int" +NGR_R_SET_ARGS="#undef NGR_R_SET_ARGS" +NGR_R_SET_CONST="#define NGR_R_SET_CONST const" +] +)) +;; esac ] , NGR_R_SET_RESULT="#undef NGR_R_SET_RESULT /*empty*/" NGR_R_SET_RETURN="#define NGR_R_SET_RETURN void" +NGR_R_SET_ARGS="#undef NGR_R_SET_ARGS" +NGR_R_SET_CONST="#define NGR_R_SET_CONST const" ) + AC_SUBST(NGR_R_SET_RESULT) AC_SUBST(NGR_R_SET_RETURN) +AC_SUBST(NGR_R_SET_ARGS) +AC_SUBST(NGR_R_SET_CONST) AC_CHECK_FUNC(innetgr_r,,AC_DEFINE(NEED_INNETGR_R)) diff --git a/lib/bind/dst/Makefile.in b/lib/bind/dst/Makefile.in index 2cb10cf6..f4e84a49 100644 --- a/lib/bind/dst/Makefile.in +++ b/lib/bind/dst/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2001 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.8 2007/06/19 23:47:13 tbox Exp $ +# $Id: Makefile.in,v 1.8.128.2 2008/03/20 23:46:31 tbox Exp $ srcdir= @srcdir@ VPATH = @srcdir@ @@ -26,7 +26,7 @@ TARGETS= ${OBJS} CRYPTFLAGS= -DCYLINK_DSS -DHMAC_MD5 -DUSE_MD5 -DDNSSAFE -CINCLUDES= -I.. -I${srcdir}/../include ${CRYPTINCL} +CINCLUDES= -I.. -I../include -I${srcdir}/../include ${CRYPTINCL} CDEFINES= ${CRYPTFLAGS} @BIND9_MAKE_RULES@ diff --git a/lib/bind/include/arpa/nameser.h b/lib/bind/include/arpa/nameser.h index b6d34aab..d1cbf428 100644 --- a/lib/bind/include/arpa/nameser.h +++ b/lib/bind/include/arpa/nameser.h @@ -49,7 +49,7 @@ */ /* - * $Id: nameser.h,v 1.8 2005/04/27 04:56:16 sra Exp $ + * $Id: nameser.h,v 1.8.672.1 2008/04/03 02:12:21 marka Exp $ */ #ifndef _ARPA_NAMESER_H_ @@ -427,9 +427,10 @@ typedef enum __ns_cert_types { #define NS_NXT_MAX 127 /*% - * EDNS0 extended flags, host order. + * EDNS0 extended flags and option codes, host order. */ #define NS_OPT_DNSSEC_OK 0x8000U +#define NS_OPT_NSID 3 /*% * Inline versions of get/put short/long. Pointer is advanced. diff --git a/lib/bind/include/isc/misc.h b/lib/bind/include/isc/misc.h index e9ad2c55..8736bf91 100644 --- a/lib/bind/include/isc/misc.h +++ b/lib/bind/include/isc/misc.h @@ -16,7 +16,7 @@ */ /* - * $Id: misc.h,v 1.5 2005/04/27 04:56:18 sra Exp $ + * $Id: misc.h,v 1.5.672.1 2008/02/18 04:10:16 marka Exp $ */ #ifndef _ISC_MISC_H @@ -25,6 +25,7 @@ /*! \file */ #include <stdio.h> +#include <sys/types.h> #define bitncmp __bitncmp /*#define isc_movefile __isc_movefile */ diff --git a/lib/bind/include/netdb.h b/lib/bind/include/netdb.h index e7026150..651cdd87 100644 --- a/lib/bind/include/netdb.h +++ b/lib/bind/include/netdb.h @@ -86,7 +86,7 @@ /* * @(#)netdb.h 8.1 (Berkeley) 6/2/93 - * $Id: netdb.h,v 1.21 2006/10/02 01:14:36 marka Exp $ + * $Id: netdb.h,v 1.21.288.1 2008/02/28 05:46:12 marka Exp $ */ #ifndef _NETDB_H_ @@ -481,7 +481,7 @@ int endservent_r __P((struct servent_data *)); void endservent_r __P((struct servent_data *)); #endif #ifdef _AIX -int setnetgrent_r __P((const char *, void **)); +int setnetgrent_r __P((char *, void **)); void endnetgrent_r __P((void **)); /* * Note: AIX's netdb.h declares innetgr_r() as: diff --git a/lib/bind/include/resolv.h b/lib/bind/include/resolv.h index bb5863e9..409a4881 100644 --- a/lib/bind/include/resolv.h +++ b/lib/bind/include/resolv.h @@ -50,7 +50,7 @@ /*% * @(#)resolv.h 8.1 (Berkeley) 6/2/93 - * $Id: resolv.h,v 1.23 2005/08/25 04:41:46 marka Exp $ + * $Id: resolv.h,v 1.23.564.1 2008/04/03 02:12:21 marka Exp $ */ #ifndef _RESOLV_H_ @@ -250,6 +250,7 @@ union res_sockaddr_union { #define RES_NOCHECKNAME 0x00008000 /*%< do not check names for sanity. */ #define RES_KEEPTSIG 0x00010000 /*%< do not strip TSIG records */ #define RES_BLAST 0x00020000 /*%< blast all recursive servers */ +#define RES_NSID 0x00040000 /*%< request name server ID */ #define RES_NOTLDQUERY 0x00100000 /*%< don't unqualified name as a tld */ #define RES_USE_DNSSEC 0x00200000 /*%< use DNSSEC using OK bit in OPT */ /* #define RES_DEBUG2 0x00400000 */ /* nslookup internal */ @@ -396,6 +397,7 @@ extern const struct res_sym __p_rcode_syms[]; #define sym_ntos __sym_ntos #define sym_ston __sym_ston #define res_nopt __res_nopt +#define res_nopt_rdata __res_nopt_rdata #define res_ndestroy __res_ndestroy #define res_nametoclass __res_nametoclass #define res_nametotype __res_nametotype @@ -482,6 +484,8 @@ int res_findzonecut2 __P((res_state, const char *, ns_class, int, union res_sockaddr_union *, int)); void res_nclose __P((res_state)); int res_nopt __P((res_state, int, u_char *, int, int)); +int res_nopt_rdata __P((res_state, int, u_char *, int, u_char *, + u_short, u_short, u_char *)); void res_send_setqhook __P((res_send_qhook)); void res_send_setrhook __P((res_send_rhook)); int __res_vinit __P((res_state, int)); diff --git a/lib/bind/inet/Makefile.in b/lib/bind/inet/Makefile.in index bd5d352d..31d8baa8 100644 --- a/lib/bind/inet/Makefile.in +++ b/lib/bind/inet/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2001 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.7 2007/06/19 23:47:13 tbox Exp $ +# $Id: Makefile.in,v 1.7.128.2 2008/03/20 23:46:31 tbox Exp $ srcdir= @srcdir@ VPATH = @srcdir@ @@ -30,6 +30,6 @@ SRCS= inet_addr.c inet_cidr_ntop.c inet_cidr_pton.c inet_data.c \ TARGETS= ${OBJS} -CINCLUDES= -I.. -I${srcdir}/../include +CINCLUDES= -I.. -I../include -I${srcdir}/../include @BIND9_MAKE_RULES@ diff --git a/lib/bind/irs/Makefile.in b/lib/bind/irs/Makefile.in index d5b73405..457038aa 100644 --- a/lib/bind/irs/Makefile.in +++ b/lib/bind/irs/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2001 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.12 2007/06/19 23:47:13 tbox Exp $ +# $Id: Makefile.in,v 1.12.128.2 2008/03/20 23:46:31 tbox Exp $ srcdir= @srcdir@ VPATH = @srcdir@ @@ -65,6 +65,6 @@ WANT_IRS_THREADSGR_OBJS=getgrent_r.@O@ TARGETS= ${OBJS} -CINCLUDES= -I.. -I${srcdir}/../include +CINCLUDES= -I.. -I../include -I${srcdir}/../include @BIND9_MAKE_RULES@ diff --git a/lib/bind/irs/getnetgrent.c b/lib/bind/irs/getnetgrent.c index 0adeb616..697de4bd 100644 --- a/lib/bind/irs/getnetgrent.c +++ b/lib/bind/irs/getnetgrent.c @@ -16,7 +16,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static const char rcsid[] = "$Id: getnetgrent.c,v 1.4 2005/04/27 04:56:25 sra Exp $"; +static const char rcsid[] = "$Id: getnetgrent.c,v 1.4.672.1 2008/02/27 00:05:45 marka Exp $"; #endif /* LIBC_SCCS and not lint */ /* Imports */ @@ -76,7 +76,9 @@ innetgr(INNETGR_ARGS) { } int -getnetgrent(char **host, char **user, char **domain) { +getnetgrent(NGR_R_CONST char **host, NGR_R_CONST char **user, + NGR_R_CONST char **domain) +{ struct net_data *net_data = init(); const char *ch, *cu, *cd; int ret; diff --git a/lib/bind/irs/getnetgrent_r.c b/lib/bind/irs/getnetgrent_r.c index fe461f72..331f7b36 100644 --- a/lib/bind/irs/getnetgrent_r.c +++ b/lib/bind/irs/getnetgrent_r.c @@ -16,7 +16,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static const char rcsid[] = "$Id: getnetgrent_r.c,v 1.11 2005/09/03 12:41:38 marka Exp $"; +static const char rcsid[] = "$Id: getnetgrent_r.c,v 1.11.558.2 2008/02/28 05:46:12 marka Exp $"; #endif /* LIBC_SCCS and not lint */ #include <port_before.h> @@ -33,10 +33,13 @@ static const char rcsid[] = "$Id: getnetgrent_r.c,v 1.11 2005/09/03 12:41:38 mar #include <port_after.h> #ifdef NGR_R_RETURN +#ifndef NGR_R_PRIVATE +#define NGR_R_PRIVATE 0 +#endif static NGR_R_RETURN -copy_protoent(char **, char **, char **, const char *, const char *, - const char *, NGR_R_COPY_ARGS); +copy_protoent(NGR_R_CONST char **, NGR_R_CONST char **, NGR_R_CONST char **, + const char *, const char *, const char *, NGR_R_COPY_ARGS); NGR_R_RETURN innetgr_r(const char *netgroup, const char *host, const char *user, @@ -58,8 +61,10 @@ innetgr_r(const char *netgroup, const char *host, const char *user, */ NGR_R_RETURN -getnetgrent_r(char **machinep, char **userp, char **domainp, NGR_R_ARGS) { - char *mp, *up, *dp; +getnetgrent_r(NGR_R_CONST char **machinep, NGR_R_CONST char **userp, + NGR_R_CONST char **domainp, NGR_R_ARGS) +{ + NGR_R_CONST char *mp, *up, *dp; int res = getnetgrent(&mp, &up, &dp); if (res != 1) @@ -69,15 +74,24 @@ getnetgrent_r(char **machinep, char **userp, char **domainp, NGR_R_ARGS) { mp, up, dp, NGR_R_COPY)); } +#if NGR_R_PRIVATE == 2 +struct private { + char *buf; +}; + +#endif NGR_R_SET_RETURN -#ifdef NGR_R_ENT_ARGS -setnetgrent_r(const char *netgroup, NGR_R_ENT_ARGS) +#ifdef NGR_R_SET_ARGS +setnetgrent_r(NGR_R_SET_CONST char *netgroup, NGR_R_SET_ARGS) #else -setnetgrent_r(const char *netgroup) +setnetgrent_r(NGR_R_SET_CONST char *netgroup) #endif { +#if NGR_R_PRIVATE == 2 + struct private *p; +#endif char *tmp; -#if defined(NGR_R_ENT_ARGS) && !defined(NGR_R_PRIVATE) +#if defined(NGR_R_SET_ARGS) && NGR_R_PRIVATE == 0 UNUSED(buf); UNUSED(buflen); #endif @@ -85,8 +99,17 @@ setnetgrent_r(const char *netgroup) DE_CONST(netgroup, tmp); setnetgrent(tmp); -#ifdef NGR_R_PRIVATE +#if NGR_R_PRIVATE == 1 *buf = NULL; +#elif NGR_R_PRIVATE == 2 + *buf = p = malloc(sizeof(struct private)); + if (p == NULL) +#ifdef NGR_R_SET_RESULT + return (NGR_R_BAD); +#else + return; +#endif + p->buf = NULL; #endif #ifdef NGR_R_SET_RESULT return (NGR_R_SET_RESULT); @@ -94,22 +117,29 @@ setnetgrent_r(const char *netgroup) } NGR_R_END_RETURN -#ifdef NGR_R_ENT_ARGS -endnetgrent_r(NGR_R_ENT_ARGS) +#ifdef NGR_R_END_ARGS +endnetgrent_r(NGR_R_END_ARGS) #else endnetgrent_r(void) #endif { -#if defined(NGR_R_ENT_ARGS) && !defined(NGR_R_PRIVATE) +#if NGR_R_PRIVATE == 2 + struct private *p = buf; +#endif +#if defined(NGR_R_SET_ARGS) && NGR_R_PRIVATE == 0 UNUSED(buf); UNUSED(buflen); #endif endnetgrent(); -#ifdef NGR_R_PRIVATE +#if NGR_R_PRIVATE == 1 if (*buf != NULL) free(*buf); *buf = NULL; +#elif NGR_R_PRIVATE == 2 + if (p->buf != NULL) + free(p->buf); + free(p); #endif NGR_R_END_RESULT(NGR_R_OK); } @@ -117,9 +147,13 @@ endnetgrent_r(void) /* Private */ static int -copy_protoent(char **machinep, char **userp, char **domainp, - const char *mp, const char *up, const char *dp, - NGR_R_COPY_ARGS) { +copy_protoent(NGR_R_CONST char **machinep, NGR_R_CONST char **userp, + NGR_R_CONST char **domainp, const char *mp, const char *up, + const char *dp, NGR_R_COPY_ARGS) +{ +#if NGR_R_PRIVATE == 2 + struct private *p = buf; +#endif char *cp; int n; int len; @@ -130,12 +164,20 @@ copy_protoent(char **machinep, char **userp, char **domainp, if (up != NULL) len += strlen(up) + 1; if (dp != NULL) len += strlen(dp) + 1; -#ifdef NGR_R_PRIVATE - free(*buf); +#if NGR_R_PRIVATE == 1 + if (*buf != NULL) + free(*buf); *buf = malloc(len); if (*buf == NULL) return(NGR_R_BAD); cp = *buf; +#elif NGR_R_PRIVATE == 2 + if (p->buf) + free(p->buf); + p->buf = malloc(len); + if (p->buf == NULL) + return(NGR_R_BAD); + cp = p->buf; #else if (len > (int)buflen) { errno = ERANGE; @@ -144,7 +186,6 @@ copy_protoent(char **machinep, char **userp, char **domainp, cp = buf; #endif - if (mp != NULL) { n = strlen(mp) + 1; strcpy(cp, mp); diff --git a/lib/bind/irs/irp.c b/lib/bind/irs/irp.c index 3bd43783..15e7dbdf 100644 --- a/lib/bind/irs/irp.c +++ b/lib/bind/irs/irp.c @@ -16,7 +16,7 @@ */ #if !defined(LINT) && !defined(CODECENTER) -static const char rcsid[] = "$Id: irp.c,v 1.9 2006/03/09 23:57:56 marka Exp $"; +static const char rcsid[] = "$Id: irp.c,v 1.9.394.2 2008/02/28 05:46:12 marka Exp $"; #endif /* Imports */ @@ -528,7 +528,8 @@ irs_irp_send_command(struct irp_p *pvt, const char *fmt, ...) { } va_start(ap, fmt); - todo = vsprintf(buffer, fmt, ap); + (void) vsprintf(buffer, fmt, ap); + todo = strlen(buffer); va_end(ap); if (todo > (int)sizeof(buffer) - 3) { syslog(LOG_CRIT, "memory overrun in irs_irp_send_command()"); diff --git a/lib/bind/isc/Makefile.in b/lib/bind/isc/Makefile.in index dcd02487..a7df580a 100644 --- a/lib/bind/isc/Makefile.in +++ b/lib/bind/isc/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2001 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.9 2007/06/19 23:47:13 tbox Exp $ +# $Id: Makefile.in,v 1.9.128.2 2008/03/20 23:46:31 tbox Exp $ srcdir= @srcdir@ VPATH = @srcdir@ @@ -30,6 +30,6 @@ SRCS= assertions.c base64.c bitncmp.c ctl_clnt.c ctl_p.c \ TARGETS= ${OBJS} -CINCLUDES= -I.. -I${srcdir}/../include +CINCLUDES= -I.. -I../include -I${srcdir}/../include @BIND9_MAKE_RULES@ diff --git a/lib/bind/isc/ctl_clnt.c b/lib/bind/isc/ctl_clnt.c index 5438868f..cc8ee2f9 100644 --- a/lib/bind/isc/ctl_clnt.c +++ b/lib/bind/isc/ctl_clnt.c @@ -1,5 +1,5 @@ #if !defined(lint) && !defined(SABER) -static const char rcsid[] = "$Id: ctl_clnt.c,v 1.9 2007/05/18 06:22:03 marka Exp $"; +static const char rcsid[] = "$Id: ctl_clnt.c,v 1.9.140.1 2008/02/18 04:10:16 marka Exp $"; #endif /* not lint */ /* @@ -38,6 +38,9 @@ static const char rcsid[] = "$Id: ctl_clnt.c,v 1.9 2007/05/18 06:22:03 marka Exp #include <string.h> #include <time.h> #include <unistd.h> +#ifdef HAVE_MEMORY_H +#include <memory.h> +#endif #include <isc/assertions.h> #include <isc/ctl.h> diff --git a/lib/bind/isc/ctl_srvr.c b/lib/bind/isc/ctl_srvr.c index 836b85a8..919dec7c 100644 --- a/lib/bind/isc/ctl_srvr.c +++ b/lib/bind/isc/ctl_srvr.c @@ -1,5 +1,5 @@ #if !defined(lint) && !defined(SABER) -static const char rcsid[] = "$Id: ctl_srvr.c,v 1.8 2006/12/07 04:46:27 marka Exp $"; +static const char rcsid[] = "$Id: ctl_srvr.c,v 1.8.246.1 2008/02/18 04:10:16 marka Exp $"; #endif /* not lint */ /* @@ -40,6 +40,9 @@ static const char rcsid[] = "$Id: ctl_srvr.c,v 1.8 2006/12/07 04:46:27 marka Exp #include <time.h> #include <unistd.h> #include <fcntl.h> +#ifdef HAVE_MEMORY_H +#include <memory.h> +#endif #include <isc/assertions.h> #include <isc/ctl.h> diff --git a/lib/bind/isc/logging.c b/lib/bind/isc/logging.c index b2daff40..313a6c80 100644 --- a/lib/bind/isc/logging.c +++ b/lib/bind/isc/logging.c @@ -16,7 +16,7 @@ */ #if !defined(LINT) && !defined(CODECENTER) -static const char rcsid[] = "$Id: logging.c,v 1.7 2005/04/27 04:56:38 sra Exp $"; +static const char rcsid[] = "$Id: logging.c,v 1.7.672.1 2008/02/28 05:46:12 marka Exp $"; #endif /* not lint */ #include "port_before.h" @@ -43,12 +43,6 @@ static const char rcsid[] = "$Id: logging.c,v 1.7 2005/04/27 04:56:38 sra Exp $" #include "port_after.h" -#ifdef VSPRINTF_CHAR -# define VSPRINTF(x) strlen(vsprintf/**/x) -#else -# define VSPRINTF(x) ((size_t)vsprintf x) -#endif - #include "logging_p.h" static const int syslog_priority[] = { LOG_DEBUG, LOG_INFO, LOG_NOTICE, @@ -363,8 +357,8 @@ log_vwrite(log_context lc, int category, int level, const char *format, continue; if (!did_vsprintf) { - if (VSPRINTF((lc->buffer, format, args)) > - (size_t)LOG_BUFFER_SIZE) { + (void)vsprintf(lc->buffer, format, args); + if (strlen(lc->buffer) > (size_t)LOG_BUFFER_SIZE) { syslog(LOG_CRIT, "memory overrun in log_vwrite()"); exit(1); diff --git a/lib/bind/nameser/Makefile.in b/lib/bind/nameser/Makefile.in index 86365265..695d17c6 100644 --- a/lib/bind/nameser/Makefile.in +++ b/lib/bind/nameser/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2001 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.7 2007/06/19 23:47:13 tbox Exp $ +# $Id: Makefile.in,v 1.7.128.2 2008/03/20 23:46:31 tbox Exp $ srcdir= @srcdir@ VPATH = @srcdir@ @@ -26,6 +26,6 @@ SRCS= ns_date.c ns_name.c ns_netint.c ns_parse.c ns_print.c \ TARGETS= ${OBJS} -CINCLUDES= -I.. -I${srcdir}/../include +CINCLUDES= -I.. -I../include -I${srcdir}/../include @BIND9_MAKE_RULES@ diff --git a/lib/bind/port_after.h.in b/lib/bind/port_after.h.in index 6449301b..b7496a2d 100644 --- a/lib/bind/port_after.h.in +++ b/lib/bind/port_after.h.in @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: port_after.h.in,v 1.53.128.2 2008/01/23 02:15:32 tbox Exp $ */ +/* $Id: port_after.h.in,v 1.53.128.7 2008/02/28 05:46:12 marka Exp $ */ #ifndef port_after_h #define port_after_h @@ -35,12 +35,20 @@ #include <sys/select.h> #endif /* HAVE_SYS_SELECT_H */ +#ifdef REENABLE_SEND +#undef send +#endif + @NEED_PSELECT@ @HAVE_SA_LEN@ @HAVE_MINIMUM_IFREQ@ @NEED_DAEMON@ @NEED_STRSEP@ @NEED_STRERROR@ +#ifdef NEED_STRERROR +const char *isc_strerror(int); +#define strerror isc_strerror +#endif @HAS_INET6_STRUCTS@ @HAVE_SIN6_SCOPE_ID@ @NEED_IN6ADDR_ANY@ @@ -49,7 +57,6 @@ @NEED_GETTIMEOFDAY@ @HAVE_STRNDUP@ @USE_FIONBIO_IOCTL@ -@USE_SYSERROR_LIST@ @INNETGR_ARGS@ @SETNETGRENT_ARGS@ @USE_IFNAMELINKID@ @@ -335,16 +342,16 @@ innetgr_r(const char *, const char *, const char *, const char *); #endif #ifdef NEED_SETNETGRENT_R -#ifdef NGR_R_ENT_ARGS -NGR_R_SET_RETURN setnetgrent_r(const char *netgroup, NGR_R_ENT_ARGS); +#ifdef NGR_R_SET_ARGS +NGR_R_SET_RETURN setnetgrent_r(NGR_R_SET_CONST char *netgroup, NGR_R_SET_ARGS); #else -NGR_R_SET_RETURN setnetgrent_r(const char *netgroup); +NGR_R_SET_RETURN setnetgrent_r(NGR_R_SET_CONST char *netgroup); #endif #endif #ifdef NEED_ENDNETGRENT_R -#ifdef NGR_R_ENT_ARGS -NGR_R_END_RETURN endnetgrent_r(NGR_R_ENT_ARGS); +#ifdef NGR_R_END_ARGS +NGR_R_END_RETURN endnetgrent_r(NGR_R_END_ARGS); #else NGR_R_END_RETURN endnetgrent_r(void); #endif @@ -410,10 +417,12 @@ int isc__gettimeofday(struct timeval *tvp, struct _TIMEZONE *tzp); int isc__gettimeofday(struct timeval *tp, struct timezone *tzp); #endif -int getnetgrent(char **machinep, char **userp, char **domainp); +int getnetgrent(NGR_R_CONST char **machinep, NGR_R_CONST char **userp, + NGR_R_CONST char **domainp); #ifdef NGR_R_ARGS -int getnetgrent_r(char **machinep, char **userp, char **domainp, NGR_R_ARGS); +int getnetgrent_r(NGR_R_CONST char **machinep, NGR_R_CONST char **userp, + NGR_R_CONST char **domainp, NGR_R_ARGS); #endif #ifdef SETNETGRENT_ARGS @@ -431,11 +440,87 @@ int innetgr(const char *netgroup, const char *machine, const char *user, const char *domain); #endif -#ifdef NGR_R_ENT_ARGS +#ifdef NGR_R_SET_ARGS NGR_R_SET_RETURN -setnetgrent_r(const char *netgroup, NGR_R_ENT_ARGS); +setnetgrent_r(NGR_R_SET_CONST char *netgroup, NGR_R_SET_ARGS); #else NGR_R_SET_RETURN -setnetgrent_r(const char *netgroup); +setnetgrent_r(NGR_R_SET_CONST char *netgroup); +#endif + +#ifdef NEED_STRTOUL +unsigned long strtoul(const char *, char **, int); +#endif + +#ifdef NEED_SUN4PROTOS +#include <stdarg.h> +#ifndef __SIZE_TYPE__ +#define __SIZE_TYPE__ int +#endif +struct sockaddr; +struct iovec; +struct timeval; +struct timezone; +int fprintf(FILE *, const char *, ...); +int getsockname(int, struct sockaddr *, int *); +int getpeername(int, struct sockaddr *, int *); +int socket(int, int, int); +int connect(int, const struct sockaddr *, int); +int writev(int, struct iovec *, int); +int readv(int, struct iovec *, int); +int send(int, const char *, int, int); +void bzero(char *, int); +int recvfrom(int, char *, int, int, struct sockaddr *, int *); +int syslog(int, const char *, ... ); +int printf(const char *, ...); +__SIZE_TYPE__ fread(void *, __SIZE_TYPE__, __SIZE_TYPE__, FILE *); +__SIZE_TYPE__ fwrite(const void *, __SIZE_TYPE__, __SIZE_TYPE__, FILE *); +int fclose(FILE *); +int ungetc(int, FILE *); +int scanf(const char *, ...); +int sscanf(const char *, const char *, ... ); +int tolower(int); +int toupper(int); +int strcasecmp(const char *, const char *); +int strncasecmp(const char *, const char *, int); +int select(int, fd_set *, fd_set *, fd_set *, struct timeval *); +#ifdef gettimeofday +#undef gettimeofday +int gettimeofday(struct timeval *, struct timezone *); +#define gettimeofday isc__gettimeofday +#else +int gettimeofday(struct timeval *, struct timezone *); +#endif +long strtol(const char*, char **, int); +int fseek(FILE *, long, int); +int setsockopt(int, int, int, const char *, int); +int bind(int, const struct sockaddr *, int); +void bcopy(char *, char *, int); +int fputc(char, FILE *); +int listen(int, int); +int accept(int, struct sockaddr *, int *); +int getsockopt(int, int, int, char *, int *); +int vfprintf(FILE *, const char *, va_list); +int fflush(FILE *); +int fgetc(FILE *); +int fputs(const char *, FILE *); +int fchown(int, int, int); +void setbuf(FILE *, char *); +int gethostname(char *, int); +int rename(const char *, const char *); +time_t time(time_t *); +int fscanf(FILE *, const char *, ...); +int sscanf(const char *, const char *, ...); +int ioctl(int, int, caddr_t); +void perror(const char *); + +#if !defined(__USE_FIXED_PROTOTYPES__) && !defined(__cplusplus) && !defined(__STRICT_ANSI__) +/* + * 'gcc -ansi' changes the prototype for vsprintf(). + * Use this prototype when 'gcc -ansi' is not in effect. + */ +char *vsprintf(char *, const char *, va_list); #endif #endif + +#endif diff --git a/lib/bind/port_before.h.in b/lib/bind/port_before.h.in index 19552f92..49100912 100644 --- a/lib/bind/port_before.h.in +++ b/lib/bind/port_before.h.in @@ -1,5 +1,5 @@ /* - * Copyright (C) 2005-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2005-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,12 +15,16 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: port_before.h.in,v 1.27 2007/06/18 23:47:34 tbox Exp $ */ +/* $Id: port_before.h.in,v 1.27.128.3 2008/02/28 05:46:12 marka Exp $ */ #ifndef port_before_h #define port_before_h #include <config.h> +#ifdef NEED_SUN4PROTOS +#define _PARAMS(x) x +#endif + struct group; /* silence warning */ struct passwd; /* silence warning */ struct timeval; /* silence warning */ @@ -34,8 +38,8 @@ struct timezone; /* silence warning */ #ifdef ISC_PLATFORM_NEEDTIMESPEC #include <time.h> /* For time_t */ struct timespec { - time_t tv_sec; /* seconds */ - long tv_nsec; /* nanoseconds */ + time_t tv_sec; /* seconds */ + long tv_nsec; /* nanoseconds */ }; #endif #ifndef HAVE_MEMMOVE @@ -100,15 +104,22 @@ struct timespec { @NGR_R_BAD@ @NGR_R_COPY@ @NGR_R_COPY_ARGS@ +@NGR_R_CONST@ @NGR_R_END_RESULT@ @NGR_R_END_RETURN@ -@NGR_R_ENT_ARGS@ +@NGR_R_END_ARGS@ @NGR_R_OK@ @NGR_R_RETURN@ +@NGR_R_SET_CONST@ @NGR_R_SET_RESULT@ @NGR_R_SET_RETURN@ +@NGR_R_SET_ARGS@ @NGR_R_PRIVATE@ +#if !defined(NGR_R_SET_ARGS) && defined(NGR_R_END_ARGS) +#define NGR_R_SET_ARGS NGR_R_END_ARGS +#endif + @PROTO_R_ARGS@ @PROTO_R_BAD@ @PROTO_R_COPY@ @@ -153,11 +164,11 @@ struct timespec { #define DE_CONST(konst, var) \ - do { \ - union { const void *k; void *v; } _u; \ - _u.k = konst; \ - var = _u.v; \ - } while (0) + do { \ + union { const void *k; void *v; } _u; \ + _u.k = konst; \ + var = _u.v; \ + } while (0) #define UNUSED(x) (x) = (x) diff --git a/lib/bind/resolv/Makefile.in b/lib/bind/resolv/Makefile.in index d5bbb674..d6ebd60c 100644 --- a/lib/bind/resolv/Makefile.in +++ b/lib/bind/resolv/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2001 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.8 2007/06/19 23:47:16 tbox Exp $ +# $Id: Makefile.in,v 1.8.128.2 2008/03/20 23:46:31 tbox Exp $ srcdir= @srcdir@ VPATH = @srcdir@ @@ -28,7 +28,7 @@ SRCS= herror.c mtctxres.c res_comp.c res_data.c res_debug.c \ TARGETS= ${OBJS} -CINCLUDES= -I.. -I${srcdir}/../include +CINCLUDES= -I.. -I../include -I${srcdir}/../include CWARNINGS= @BIND9_MAKE_RULES@ diff --git a/lib/bind/resolv/res_debug.c b/lib/bind/resolv/res_debug.c index b12a112f..100133e2 100644 --- a/lib/bind/resolv/res_debug.c +++ b/lib/bind/resolv/res_debug.c @@ -95,7 +95,7 @@ #if defined(LIBC_SCCS) && !defined(lint) static const char sccsid[] = "@(#)res_debug.c 8.1 (Berkeley) 6/4/93"; -static const char rcsid[] = "$Id: res_debug.c,v 1.15 2005/07/28 06:51:50 marka Exp $"; +static const char rcsid[] = "$Id: res_debug.c,v 1.15.574.1 2008/04/03 02:12:21 marka Exp $"; #endif /* LIBC_SCCS and not lint */ #include "port_before.h" @@ -189,10 +189,56 @@ do_section(const res_state statp, p_type(ns_rr_type(rr)), p_class(ns_rr_class(rr))); else if (section == ns_s_ar && ns_rr_type(rr) == ns_t_opt) { + u_int16_t optcode, optlen, rdatalen = ns_rr_rdlen(rr); u_int32_t ttl = ns_rr_ttl(rr); + fprintf(file, "; EDNS: version: %u, udp=%u, flags=%04x\n", (ttl>>16)&0xff, ns_rr_class(rr), ttl&0xffff); + + while (rdatalen >= 4) { + const u_char *cp = ns_rr_rdata(rr); + int i; + + GETSHORT(optcode, cp); + GETSHORT(optlen, cp); + + if (optcode == NS_OPT_NSID) { + fputs("; NSID: ", file); + if (optlen == 0) { + fputs("; NSID\n", file); + } else { + fputs("; NSID: ", file); + for (i = 0; i < optlen; i++) + fprintf(file, "%02x ", + cp[i]); + fputs(" (",file); + for (i = 0; i < optlen; i++) + fprintf(file, "%c", + isprint(cp[i])? + cp[i] : '.'); + fputs(")\n", file); + } + } else { + if (optlen == 0) { + fprintf(file, "; OPT=%u\n", + optcode); + } else { + fprintf(file, "; OPT=%u: ", + optcode); + for (i = 0; i < optlen; i++) + fprintf(file, "%02x ", + cp[i]); + fputs(" (",file); + for (i = 0; i < optlen; i++) + fprintf(file, "%c", + isprint(cp[i]) ? + cp[i] : '.'); + fputs(")\n", file); + } + } + rdatalen -= 4 + optlen; + } } else { n = ns_sprintrr(handle, &rr, NULL, NULL, buf, buflen); @@ -204,7 +250,7 @@ do_section(const res_state statp, buf = malloc(buflen += 1024); if (buf == NULL) { fprintf(file, - ";; memory allocation failure\n"); + ";; memory allocation failure\n"); return; } continue; @@ -381,7 +427,7 @@ const struct res_sym __p_default_section_syms[] = { {ns_s_an, "ANSWER", (char *)0}, {ns_s_ns, "AUTHORITY", (char *)0}, {ns_s_ar, "ADDITIONAL", (char *)0}, - {0, (char *)0, (char *)0} + {0, (char *)0, (char *)0} }; const struct res_sym __p_update_section_syms[] = { @@ -389,7 +435,7 @@ const struct res_sym __p_update_section_syms[] = { {S_PREREQ, "PREREQUISITE", (char *)0}, {S_UPDATE, "UPDATE", (char *)0}, {S_ADDT, "ADDITIONAL", (char *)0}, - {0, (char *)0, (char *)0} + {0, (char *)0, (char *)0} }; const struct res_sym __p_key_syms[] = { @@ -617,6 +663,7 @@ p_option(u_long option) { case RES_USE_INET6: return "inet6"; #ifdef RES_USE_EDNS0 /*%< KAME extension */ case RES_USE_EDNS0: return "edns0"; + case RES_NSID: return "nsid"; #endif #ifdef RES_USE_DNAME case RES_USE_DNAME: return "dname"; diff --git a/lib/bind/resolv/res_mkquery.c b/lib/bind/resolv/res_mkquery.c index 09133baf..1392b6bb 100644 --- a/lib/bind/resolv/res_mkquery.c +++ b/lib/bind/resolv/res_mkquery.c @@ -70,7 +70,7 @@ #if defined(LIBC_SCCS) && !defined(lint) static const char sccsid[] = "@(#)res_mkquery.c 8.1 (Berkeley) 6/4/93"; -static const char rcsid[] = "$Id: res_mkquery.c,v 1.6 2005/04/27 04:56:42 sra Exp $"; +static const char rcsid[] = "$Id: res_mkquery.c,v 1.6.672.1 2008/04/03 02:12:21 marka Exp $"; #endif /* LIBC_SCCS and not lint */ #include "port_before.h" @@ -203,9 +203,6 @@ res_nmkquery(res_state statp, #ifdef RES_USE_EDNS0 /* attach OPT pseudo-RR, as documented in RFC2671 (EDNS0). */ -#ifndef T_OPT -#define T_OPT 41 -#endif int res_nopt(res_state statp, @@ -230,13 +227,14 @@ res_nopt(res_state statp, if ((ep - cp) < 1 + RRFIXEDSZ) return (-1); - *cp++ = 0; /*%< "." */ - ns_put16(T_OPT, cp); /*%< TYPE */ + *cp++ = 0; /*%< "." */ + ns_put16(ns_t_opt, cp); /*%< TYPE */ cp += INT16SZ; - ns_put16(anslen & 0xffff, cp); /*%< CLASS = UDP payload size */ + ns_put16(anslen & 0xffff, cp); /*%< CLASS = UDP payload size */ cp += INT16SZ; - *cp++ = NOERROR; /*%< extended RCODE */ - *cp++ = 0; /*%< EDNS version */ + *cp++ = NOERROR; /*%< extended RCODE */ + *cp++ = 0; /*%< EDNS version */ + if (statp->options & RES_USE_DNSSEC) { #ifdef DEBUG if (statp->options & RES_DEBUG) @@ -246,12 +244,60 @@ res_nopt(res_state statp, } ns_put16(flags, cp); cp += INT16SZ; - ns_put16(0, cp); /*%< RDLEN */ + + ns_put16(0U, cp); /*%< RDLEN */ cp += INT16SZ; + hp->arcount = htons(ntohs(hp->arcount) + 1); return (cp - buf); } + +/* + * Construct variable data (RDATA) block for OPT psuedo-RR, append it + * to the buffer, then update the RDLEN field (previously set to zero by + * res_nopt()) with the new RDATA length. + */ +int +res_nopt_rdata(res_state statp, + int n0, /*%< current offset in buffer */ + u_char *buf, /*%< buffer to put query */ + int buflen, /*%< size of buffer */ + u_char *rdata, /*%< ptr to start of opt rdata */ + u_short code, /*%< OPTION-CODE */ + u_short len, /*%< OPTION-LENGTH */ + u_char *data) /*%< OPTION_DATA */ +{ + register u_char *cp, *ep; + +#ifdef DEBUG + if ((statp->options & RES_DEBUG) != 0U) + printf(";; res_nopt_rdata()\n"); +#endif + + cp = buf + n0; + ep = buf + buflen; + + if ((ep - cp) < (4 + len)) + return (-1); + + if (rdata < (buf + 2) || rdata >= ep) + return (-1); + + ns_put16(code, cp); + cp += INT16SZ; + + ns_put16(len, cp); + cp += INT16SZ; + + memcpy(cp, data, len); + cp += len; + + len = cp - rdata; + ns_put16(len, rdata - 2); /* Update RDLEN field */ + + return (cp - buf); +} #endif /*! \file */ diff --git a/lib/bind/resolv/res_query.c b/lib/bind/resolv/res_query.c index 8dd68e8d..4a39c8bb 100644 --- a/lib/bind/resolv/res_query.c +++ b/lib/bind/resolv/res_query.c @@ -70,7 +70,7 @@ #if defined(LIBC_SCCS) && !defined(lint) static const char sccsid[] = "@(#)res_query.c 8.1 (Berkeley) 6/4/93"; -static const char rcsid[] = "$Id: res_query.c,v 1.8 2005/04/27 04:56:42 sra Exp $"; +static const char rcsid[] = "$Id: res_query.c,v 1.8.672.2 2008/04/03 10:49:22 marka Exp $"; #endif /* LIBC_SCCS and not lint */ #include "port_before.h" @@ -116,8 +116,9 @@ res_nquery(res_state statp, { u_char buf[MAXPACKET]; HEADER *hp = (HEADER *) answer; - int n; u_int oflags; + u_char *rdata; + int n; oflags = statp->_flags; @@ -132,8 +133,14 @@ again: buf, sizeof(buf)); #ifdef RES_USE_EDNS0 if (n > 0 && (statp->_flags & RES_F_EDNS0ERR) == 0 && - (statp->options & (RES_USE_EDNS0|RES_USE_DNSSEC)) != 0U) + (statp->options & (RES_USE_EDNS0|RES_USE_DNSSEC|RES_NSID))) { n = res_nopt(statp, n, buf, sizeof(buf), anslen); + rdata = &buf[n]; + if (n > 0 && (statp->options & RES_NSID) != 0U) { + n = res_nopt_rdata(statp, n, buf, sizeof(buf), rdata, + NS_OPT_NSID, 0, NULL); + } + } #endif if (n <= 0) { #ifdef DEBUG @@ -143,6 +150,7 @@ again: RES_SET_H_ERRNO(statp, NO_RECOVERY); return (n); } + n = res_nsend(statp, buf, n, answer, anslen); if (n < 0) { #ifdef RES_USE_EDNS0 diff --git a/lib/bind9/api b/lib/bind9/api index e1227550..f606e999 100644 --- a/lib/bind9/api +++ b/lib/bind9/api @@ -1,3 +1,3 @@ LIBINTERFACE = 40 -LIBREVISION = 1 +LIBREVISION = 3 LIBAGE = 0 diff --git a/lib/bind9/check.c b/lib/bind9/check.c index 92a3ba73..d06afbda 100644 --- a/lib/bind9/check.c +++ b/lib/bind9/check.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2001-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: check.c,v 1.86 2007/12/14 01:27:12 marka Exp $ */ +/* $Id: check.c,v 1.86.10.4 2008/04/23 21:43:57 each Exp $ */ /*! \file */ @@ -46,10 +46,6 @@ #include <bind9/check.h> -#ifndef DNS_RDATASET_FIXED -#define DNS_RDATASET_FIXED 1 -#endif - static void freekey(char *key, unsigned int type, isc_symvalue_t value, void *userarg) { UNUSED(type); @@ -128,7 +124,8 @@ check_orderent(const cfg_obj_t *ent, isc_log_t *logctx) { } else if (strcasecmp(cfg_obj_asstring(obj), "fixed") == 0) { #if !DNS_RDATASET_FIXED cfg_obj_log(obj, logctx, ISC_LOG_WARNING, - "rrset-order: order 'fixed' not fully implemented"); + "rrset-order: order 'fixed' was disabled at " + "compilation time"); #endif } else if (strcasecmp(cfg_obj_asstring(obj), "random") != 0 && strcasecmp(cfg_obj_asstring(obj), "cyclic") != 0) { @@ -222,13 +219,24 @@ check_dual_stack(const cfg_obj_t *options, isc_log_t *logctx) { } static isc_result_t -check_forward(const cfg_obj_t *options, isc_log_t *logctx) { +check_forward(const cfg_obj_t *options, const cfg_obj_t *global, + isc_log_t *logctx) +{ const cfg_obj_t *forward = NULL; const cfg_obj_t *forwarders = NULL; (void)cfg_map_get(options, "forward", &forward); (void)cfg_map_get(options, "forwarders", &forwarders); + if (forwarders != NULL && global != NULL) { + const char *file = cfg_obj_file(global); + unsigned int line = cfg_obj_line(global); + cfg_obj_log(forwarders, logctx, ISC_LOG_ERROR, + "forwarders declared in root zone and " + "in general configuration: %s:%u", + file, line); + return (ISC_R_FAILURE); + } if (forward != NULL && forwarders == NULL) { cfg_obj_log(forward, logctx, ISC_LOG_ERROR, "no matching 'forwarders' statement"); @@ -380,7 +388,7 @@ checkacl(const char *aclname, cfg_aclconfctx_t *actx, const cfg_obj_t *zconfig, if (aclobj == NULL) return (ISC_R_SUCCESS); result = cfg_acl_fromconfig(aclobj, config, logctx, - actx, mctx, 0, &acl); + actx, mctx, 0, &acl); if (acl != NULL) dns_acl_detach(&acl); return (result); @@ -392,9 +400,9 @@ check_viewacls(cfg_aclconfctx_t *actx, const cfg_obj_t *voptions, { isc_result_t result = ISC_R_SUCCESS, tresult; int i = 0; - + static const char *acls[] = { "allow-query", "allow-query-on", - "allow-query-cache", "allow-query-cache-on", + "allow-query-cache", "allow-query-cache-on", "blackhole", "match-clients", "match-destinations", "sortlist", NULL }; @@ -402,7 +410,7 @@ check_viewacls(cfg_aclconfctx_t *actx, const cfg_obj_t *voptions, tresult = checkacl(acls[i++], actx, NULL, voptions, config, logctx, mctx); if (tresult != ISC_R_SUCCESS) - result = tresult; + result = tresult; } return (result); } @@ -424,8 +432,8 @@ check_recursionacls(cfg_aclconfctx_t *actx, const cfg_obj_t *voptions, int i = 0; static const char *acls[] = { "allow-recursion", "allow-recursion-on", - NULL }; - + NULL }; + if (voptions != NULL) cfg_map_get(voptions, "recursion", &obj); if (obj == NULL && config != NULL) { @@ -456,14 +464,14 @@ check_recursionacls(cfg_aclconfctx_t *actx, const cfg_obj_t *voptions, if (options != NULL) cfg_map_get(options, acls[i], &aclobj); } - if (aclobj == NULL) + if (aclobj == NULL) continue; tresult = cfg_acl_fromconfig(aclobj, config, logctx, actx, mctx, 0, &acl); if (tresult != ISC_R_SUCCESS) - result = tresult; + result = tresult; if (acl == NULL) continue; @@ -480,7 +488,7 @@ check_recursionacls(cfg_aclconfctx_t *actx, const cfg_obj_t *voptions, if (acl != NULL) dns_acl_detach(&acl); - } + } return (result); } @@ -544,8 +552,8 @@ check_options(const cfg_obj_t *options, isc_log_t *logctx, isc_mem_t *mctx) { (void)cfg_map_get(options, "preferred-glue", &obj); if (obj != NULL) { const char *str; - str = cfg_obj_asstring(obj); - if (strcasecmp(str, "a") != 0 && + str = cfg_obj_asstring(obj); + if (strcasecmp(str, "a") != 0 && strcasecmp(str, "aaaa") != 0 && strcasecmp(str, "none") != 0) cfg_obj_log(obj, logctx, ISC_LOG_ERROR, @@ -574,7 +582,7 @@ check_options(const cfg_obj_t *options, isc_log_t *logctx, isc_mem_t *mctx) { isc_buffer_add(&b, strlen(str)); tresult = dns_name_fromtext(name, &b, dns_rootname, - ISC_FALSE, NULL); + ISC_FALSE, NULL); if (tresult != ISC_R_SUCCESS) { cfg_obj_log(obj, logctx, ISC_LOG_ERROR, "bad domain name '%s'", @@ -584,7 +592,7 @@ check_options(const cfg_obj_t *options, isc_log_t *logctx, isc_mem_t *mctx) { } } } - + /* * Set supported DNSSEC algorithms. */ @@ -780,7 +788,7 @@ get_masters_def(const cfg_obj_t *cctx, const char *name, const cfg_obj_t **ret) static isc_result_t validate_masters(const cfg_obj_t *obj, const cfg_obj_t *config, - isc_uint32_t *countp, isc_log_t *logctx, isc_mem_t *mctx) + isc_uint32_t *countp, isc_log_t *logctx, isc_mem_t *mctx) { isc_result_t result = ISC_R_SUCCESS; isc_result_t tresult; @@ -802,7 +810,7 @@ validate_masters(const cfg_obj_t *obj, const cfg_obj_t *config, newlist: list = cfg_tuple_get(obj, "addresses"); element = cfg_list_first(list); - resume: + resume: for ( ; element != NULL; element = cfg_list_next(element)) @@ -899,7 +907,7 @@ check_update_policy(const cfg_obj_t *policy, isc_log_t *logctx) { isc_buffer_init(&b, str, strlen(str)); isc_buffer_add(&b, strlen(str)); tresult = dns_name_fromtext(dns_fixedname_name(&fixed), &b, - dns_rootname, ISC_FALSE, NULL); + dns_rootname, ISC_FALSE, NULL); if (tresult != ISC_R_SUCCESS) { cfg_obj_log(identity, logctx, ISC_LOG_ERROR, "'%s' is not a valid name", str); @@ -932,7 +940,7 @@ check_update_policy(const cfg_obj_t *policy, isc_log_t *logctx) { const cfg_obj_t *typeobj; isc_textregion_t r; dns_rdatatype_t type; - + typeobj = cfg_listelt_value(element2); DE_CONST(cfg_obj_asstring(typeobj), r.base); r.length = strlen(r.base); @@ -940,7 +948,7 @@ check_update_policy(const cfg_obj_t *policy, isc_log_t *logctx) { tresult = dns_rdatatype_fromtext(&type, &r); if (tresult != ISC_R_SUCCESS) { cfg_obj_log(typeobj, logctx, ISC_LOG_ERROR, - "'%s' is not a valid type", r.base); + "'%s' is not a valid type", r.base); result = tresult; } } @@ -978,6 +986,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions, dns_rdataclass_t zclass; dns_fixedname_t fixedname; isc_buffer_t b; + isc_boolean_t root = ISC_FALSE; static optionstable options[] = { { "allow-query", MASTERZONE | SLAVEZONE | STUBZONE | CHECKACL }, @@ -1096,7 +1105,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions, isc_buffer_init(&b, zname, strlen(zname)); isc_buffer_add(&b, strlen(zname)); tresult = dns_name_fromtext(dns_fixedname_name(&fixedname), &b, - dns_rootname, ISC_TRUE, NULL); + dns_rootname, ISC_TRUE, NULL); if (tresult != ISC_R_SUCCESS) { cfg_obj_log(zconfig, logctx, ISC_LOG_ERROR, "zone '%s': is not a valid name", zname); @@ -1111,6 +1120,9 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions, "previous definition: %s:%u", logctx, mctx); if (tresult != ISC_R_SUCCESS) result = tresult; + if (dns_name_equal(dns_fixedname_name(&fixedname), + dns_rootname)) + root = ISC_TRUE; } /* @@ -1141,7 +1153,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions, (options[i].allowed & CHECKACL) != 0) { tresult = checkacl(options[i].name, actx, zconfig, - voptions, config, logctx, mctx); + voptions, config, logctx, mctx); if (tresult != ISC_R_SUCCESS) result = tresult; } @@ -1230,7 +1242,18 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions, /* * Check that forwarding is reasonable. */ - if (check_forward(zoptions, logctx) != ISC_R_SUCCESS) + obj = NULL; + if (root) { + if (voptions != NULL) + (void)cfg_map_get(voptions, "forwarders", &obj); + if (obj == NULL) { + const cfg_obj_t *options = NULL; + (void)cfg_map_get(config, "options", &options); + if (options != NULL) + (void)cfg_map_get(options, "forwarders", &obj); + } + } + if (check_forward(zoptions, obj, logctx) != ISC_R_SUCCESS) result = ISC_R_FAILURE; /* @@ -1260,7 +1283,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions, result = tresult; } } - + return (result); } @@ -1289,7 +1312,7 @@ bind9_check_key(const cfg_obj_t *key, isc_log_t *logctx) { { "hmac-sha512", 512 }, { NULL, 0 } }; - + (void)cfg_map_get(key, "algorithm", &algobj); (void)cfg_map_get(key, "secret", &secretobj); if (secretobj == NULL || algobj == NULL) { @@ -1340,7 +1363,7 @@ bind9_check_key(const cfg_obj_t *key, isc_log_t *logctx) { (digestbits < 80U))) cfg_obj_log(algobj, logctx, ISC_LOG_WARNING, "key '%s' digest-bits too small " - "[<%u]", keyname, + "[<%u]", keyname, algorithms[i].size/2); } else { cfg_obj_log(algobj, logctx, ISC_LOG_ERROR, @@ -1447,13 +1470,13 @@ rndckey_exists(const cfg_obj_t *keylist, const char *keyname) { const cfg_listelt_t *element; const cfg_obj_t *obj; const char *str; - + if (keylist == NULL) return (ISC_FALSE); for (element = cfg_list_first(keylist); - element != NULL; - element = cfg_list_next(element)) + element != NULL; + element = cfg_list_next(element)) { obj = cfg_listelt_value(element); str = cfg_obj_asstring(cfg_map_getname(obj)); @@ -1572,7 +1595,7 @@ check_servers(const cfg_obj_t *config, const cfg_obj_t *voptions, } return (result); } - + static isc_result_t check_viewconf(const cfg_obj_t *config, const cfg_obj_t *voptions, const char *viewname, dns_rdataclass_t vclass, @@ -1626,10 +1649,11 @@ check_viewconf(const cfg_obj_t *config, const cfg_obj_t *voptions, const cfg_obj_t *options = NULL; (void)cfg_map_get(config, "options", &options); if (options != NULL) - if (check_forward(options, logctx) != ISC_R_SUCCESS) + if (check_forward(options, NULL, + logctx) != ISC_R_SUCCESS) result = ISC_R_FAILURE; } else { - if (check_forward(voptions, logctx) != ISC_R_SUCCESS) + if (check_forward(voptions, NULL, logctx) != ISC_R_SUCCESS) result = ISC_R_FAILURE; } @@ -1672,7 +1696,7 @@ check_viewconf(const cfg_obj_t *config, const cfg_obj_t *voptions, isc_symtab_destroy(&symtab); return (tresult); } - + if (voptions != NULL) { keys = NULL; (void)cfg_map_get(voptions, "key", &keys); @@ -1763,10 +1787,10 @@ bind9_check_logging(const cfg_obj_t *config, isc_log_t *logctx, const char *channelname; const char *catname; const cfg_obj_t *fileobj = NULL; - const cfg_obj_t *syslogobj = NULL; - const cfg_obj_t *nullobj = NULL; - const cfg_obj_t *stderrobj = NULL; - const cfg_obj_t *logobj = NULL; + const cfg_obj_t *syslogobj = NULL; + const cfg_obj_t *nullobj = NULL; + const cfg_obj_t *stderrobj = NULL; + const cfg_obj_t *logobj = NULL; isc_result_t result = ISC_R_SUCCESS; isc_result_t tresult; isc_symtab_t *symtab = NULL; @@ -1827,9 +1851,9 @@ bind9_check_logging(const cfg_obj_t *config, isc_log_t *logctx, cfg_map_get(logobj, "category", &categories); for (element = cfg_list_first(categories); - element != NULL; - element = cfg_list_next(element)) - { + element != NULL; + element = cfg_list_next(element)) + { category = cfg_listelt_value(element); catname = cfg_obj_asstring(cfg_tuple_get(category, "name")); if (isc_log_categorybyname(logctx, catname) == NULL) { @@ -1845,7 +1869,7 @@ bind9_check_logging(const cfg_obj_t *config, isc_log_t *logctx, channel = cfg_listelt_value(delement); channelname = cfg_obj_asstring(channel); tresult = isc_symtab_lookup(symtab, channelname, 1, - &symvalue); + &symvalue); if (tresult != ISC_R_SUCCESS) { cfg_obj_log(channel, logctx, ISC_LOG_ERROR, "undefined channel: '%s'", @@ -1867,7 +1891,7 @@ bind9_check_controlskeys(const cfg_obj_t *control, const cfg_obj_t *keylist, const cfg_listelt_t *element; const cfg_obj_t *key; const char *keyval; - + control_keylist = cfg_tuple_get(control, "keys"); if (cfg_obj_isvoid(control_keylist)) return (ISC_R_SUCCESS); @@ -2014,7 +2038,7 @@ bind9_check_namedconf(const cfg_obj_t *config, isc_log_t *logctx, if (bind9_check_controls(config, logctx, mctx) != ISC_R_SUCCESS) result = ISC_R_FAILURE; - if (options != NULL && + if (options != NULL && check_order(options, logctx) != ISC_R_SUCCESS) result = ISC_R_FAILURE; @@ -2076,7 +2100,7 @@ bind9_check_namedconf(const cfg_obj_t *config, isc_log_t *logctx, const char *file; unsigned int line; RUNTIME_CHECK(isc_symtab_lookup(symtab, key, - vclass, &symvalue) == ISC_R_SUCCESS); + vclass, &symvalue) == ISC_R_SUCCESS); file = cfg_obj_file(symvalue.as_cpointer); line = cfg_obj_line(symvalue.as_cpointer); cfg_obj_log(view, logctx, ISC_LOG_ERROR, @@ -2116,9 +2140,9 @@ bind9_check_namedconf(const cfg_obj_t *config, isc_log_t *logctx, } } - cfg_map_get(config, "acl", &acls); + cfg_map_get(config, "acl", &acls); - if (acls != NULL) { + if (acls != NULL) { const cfg_listelt_t *elt; const cfg_listelt_t *elt2; const char *aclname; @@ -2138,7 +2162,7 @@ bind9_check_namedconf(const cfg_obj_t *config, isc_log_t *logctx, cfg_obj_log(acl, logctx, ISC_LOG_ERROR, "attempt to redefine " "builtin acl '%s'", - aclname); + aclname); result = ISC_R_FAILURE; break; } @@ -2167,8 +2191,8 @@ bind9_check_namedconf(const cfg_obj_t *config, isc_log_t *logctx, } } - tresult = cfg_map_get(config, "kal", &kals); - if (tresult == ISC_R_SUCCESS) { + tresult = cfg_map_get(config, "kal", &kals); + if (tresult == ISC_R_SUCCESS) { const cfg_listelt_t *elt; const cfg_listelt_t *elt2; const char *aclname; diff --git a/lib/dns/acache.c b/lib/dns/acache.c index c95e2036..0836aca6 100644 --- a/lib/dns/acache.c +++ b/lib/dns/acache.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -14,7 +14,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: acache.c,v 1.20 2007/06/19 23:47:16 tbox Exp $ */ +/* $Id: acache.c,v 1.20.128.2 2008/02/07 23:46:25 tbox Exp $ */ #include <config.h> @@ -137,7 +137,7 @@ struct acache_cleaner { in seconds. */ isc_stdtime_t last_cleanup_time; /* The time when the last - cleanup task completed */ + cleanup task completed */ isc_timer_t *cleaning_timer; isc_event_t *resched_event; /* Sent by cleaner task to @@ -347,11 +347,11 @@ shutdown_buckets(dns_acache_t *acache) { INSIST(ISC_LIST_EMPTY(dbent->originlist) && ISC_LIST_EMPTY(dbent->referlist)); ISC_LIST_UNLINK(acache->dbbucket[i], dbent, link); - + dns_db_detach(&dbent->db); isc_mem_put(acache->mctx, dbent, sizeof(*dbent)); - + acache->dbentries--; } } @@ -513,7 +513,7 @@ clear_entry(dns_acache_t *acache, dns_acacheentry_t *entry) { if (dns_name_dynamic(entry->foundname)) dns_name_free(entry->foundname, acache->mctx); isc_mem_put(acache->mctx, entry->foundname, - sizeof(*entry->foundname)); + sizeof(*entry->foundname)); entry->foundname = NULL; } @@ -558,7 +558,7 @@ acache_cleaner_init(dns_acache_t *acache, isc_timermgr_t *timermgr, if (timermgr != NULL) { cleaner->acache->live_cleaners++; - + result = isc_task_onshutdown(acache->task, acache_cleaner_shutdown_action, acache); @@ -677,7 +677,7 @@ end_cleaning(acache_cleaner_t *cleaner, isc_event_t *event) { */ if (isc_refcount_current(&cleaner->current_entry->references) == 1) { INSIST(cleaner->current_entry->callback == NULL); - + if (ISC_LINK_LINKED(cleaner->current_entry, link)) { ISC_LIST_UNLINK(acache->entries, cleaner->current_entry, link); @@ -701,7 +701,7 @@ end_cleaning(acache_cleaner_t *cleaner, isc_event_t *event) { acache->stats.queries, acache->stats.adds, acache->stats.deleted, acache->stats.cleaned, acache->stats.cleaner_runs, - acache->stats.overmem, acache->stats.overmem_nocreates, + acache->stats.overmem, acache->stats.overmem_nocreates, acache->stats.nomem); reset_stats(acache); @@ -913,7 +913,7 @@ static void acache_overmem_cleaning_action(isc_task_t *task, isc_event_t *event) { acache_cleaner_t *cleaner = event->ev_arg; isc_boolean_t want_cleaning = ISC_FALSE; - + UNUSED(task); INSIST(event->ev_type == DNS_EVENT_ACACHEOVERMEM); @@ -965,10 +965,14 @@ water(void *arg, int mark) { LOCK(&acache->cleaner.lock); - acache->cleaner.overmem = overmem; + if (acache->cleaner.overmem != overmem) { + acache->cleaner.overmem = overmem; - if (acache->cleaner.overmem_event != NULL) - isc_task_send(acache->task, &acache->cleaner.overmem_event); + if (acache->cleaner.overmem_event != NULL) + isc_task_send(acache->task, + &acache->cleaner.overmem_event); + isc_mem_waterack(acache->mctx, mark); + } UNLOCK(&acache->cleaner.lock); } @@ -1102,7 +1106,7 @@ dns_acache_create(dns_acache_t **acachep, isc_mem_t *mctx, } acache->live_cleaners = 0; - result = acache_cleaner_init(acache, timermgr, &acache->cleaner); + result = acache_cleaner_init(acache, timermgr, &acache->cleaner); if (result != ISC_R_SUCCESS) goto cleanup; @@ -1177,7 +1181,7 @@ dns_acache_detach(dns_acache_t **acachep) { isc_task_shutdown(acache->task); should_free = ISC_FALSE; } - + if (should_free) destroy(acache); } @@ -1366,14 +1370,14 @@ dns_acache_createentry(dns_acache_t *acache, dns_db_t *origdb, REQUIRE(entryp != NULL && *entryp == NULL); REQUIRE(origdb != NULL); - /* - * Should we exceed our memory limit for some reason (for - * example, if the cleaner does not run aggressively enough), + /* + * Should we exceed our memory limit for some reason (for + * example, if the cleaner does not run aggressively enough), * then we will not create additional entries. * * XXXSK: It might be better to lock the acache->cleaner->lock, - * but locking may be an expensive bottleneck. If we misread - * the value, we will occasionally refuse to create a few + * but locking may be an expensive bottleneck. If we misread + * the value, we will occasionally refuse to create a few * cache entries, or create a few that we should not. I do not * expect this to happen often, and it will not have very bad * effects when it does. So no lock for now. @@ -1391,7 +1395,7 @@ dns_acache_createentry(dns_acache_t *acache, dns_db_t *origdb, isc_random_get(&r); newentry->locknum = r % DEFAULT_ACACHE_ENTRY_LOCK_COUNT; - + result = isc_refcount_init(&newentry->references, 1); if (result != ISC_R_SUCCESS) { isc_mem_put(acache->mctx, newentry, sizeof(*newentry)); @@ -1738,7 +1742,7 @@ dns_acache_setcleaninginterval(dns_acache_t *acache, unsigned int t) { isc_timertype_ticker, NULL, &interval, ISC_FALSE); } - if (result != ISC_R_SUCCESS) + if (result != ISC_R_SUCCESS) isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_ACACHE, ISC_LOG_WARNING, "could not set acache cleaning interval: %s", diff --git a/lib/dns/acl.c b/lib/dns/acl.c index d8d0b9bc..bb54a8a3 100644 --- a/lib/dns/acl.c +++ b/lib/dns/acl.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: acl.c,v 1.37.2.6 2008/01/27 02:12:51 marka Exp $ */ +/* $Id: acl.c,v 1.37.2.7 2008/04/29 01:04:14 each Exp $ */ /*! \file */ @@ -148,7 +148,7 @@ dns_acl_isanyornone(dns_acl_t *acl, isc_boolean_t pos) return (ISC_FALSE); if (acl->iptable->radix->head->prefix->bitlen == 0 && - *(isc_boolean_t *) (acl->iptable->radix->head->data) == pos) + *(isc_boolean_t *) (acl->iptable->radix->head->data[0]) == pos) return (ISC_TRUE); return (ISC_FALSE); /* All others */ diff --git a/lib/dns/adb.c b/lib/dns/adb.c index 182f1c53..e862a726 100644 --- a/lib/dns/adb.c +++ b/lib/dns/adb.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: adb.c,v 1.233 2007/10/19 17:15:53 explorer Exp $ */ +/* $Id: adb.c,v 1.233.36.8 2008/05/03 05:06:03 marka Exp $ */ /*! \file * @@ -26,13 +26,6 @@ * */ -/*% - * After we have cleaned all buckets, dump the database contents. - */ -#if 0 -#define DUMP_ADB_AFTER_CLEANING -#endif - #include <config.h> #include <limits.h> @@ -42,7 +35,6 @@ #include <isc/random.h> #include <isc/string.h> /* Required for HP/UX (and others?) */ #include <isc/task.h> -#include <isc/timer.h> #include <isc/util.h> #include <dns/adb.h> @@ -55,6 +47,7 @@ #include <dns/rdatatype.h> #include <dns/resolver.h> #include <dns/result.h> +#include <dns/stats.h> #define DNS_ADB_MAGIC ISC_MAGIC('D', 'a', 'd', 'b') #define DNS_ADB_VALID(x) ISC_MAGIC_VALID(x, DNS_ADB_MAGIC) @@ -89,16 +82,6 @@ #define ADB_ENTRY_WINDOW 1800 /*%< seconds */ /*% - * Wake up every CLEAN_SECONDS and clean CLEAN_BUCKETS buckets, so that all - * buckets are cleaned in CLEAN_PERIOD seconds. - */ -#define CLEAN_PERIOD 3600 -/*% See #CLEAN_PERIOD */ -#define CLEAN_SECONDS 30 -/*% See #CLEAN_PERIOD */ -#define CLEAN_BUCKETS ((NBUCKETS * CLEAN_SECONDS) / CLEAN_PERIOD) - -/*% * The period in seconds after which an ADB name entry is regarded as stale * and forced to be cleaned up. * TODO: This should probably be configurable at run-time. @@ -124,78 +107,60 @@ typedef struct dns_adbfetch6 dns_adbfetch6_t; /*% dns adb structure */ struct dns_adb { - unsigned int magic; - - isc_mutex_t lock; - isc_mutex_t reflock; /*%< Covers irefcnt, erefcnt */ - isc_mem_t *mctx; - dns_view_t *view; - isc_timermgr_t *timermgr; - isc_timer_t *timer; - -#ifdef LRU_DEBUG - isc_timer_t *dump_timer; /* for test */ - isc_time_t dump_time; /* for test */ -#define DUMP_INTERVAL 30 /* seconds */ -#endif - - isc_taskmgr_t *taskmgr; - isc_task_t *task; - isc_boolean_t overmem; - - isc_interval_t tick_interval; - int next_cleanbucket; - - unsigned int irefcnt; - unsigned int erefcnt; - - isc_mutex_t mplock; - isc_mempool_t *nmp; /*%< dns_adbname_t */ - isc_mempool_t *nhmp; /*%< dns_adbnamehook_t */ - isc_mempool_t *limp; /*%< dns_adblameinfo_t */ - isc_mempool_t *emp; /*%< dns_adbentry_t */ - isc_mempool_t *ahmp; /*%< dns_adbfind_t */ - isc_mempool_t *aimp; /*%< dns_adbaddrinfo_t */ - isc_mempool_t *afmp; /*%< dns_adbfetch_t */ - - /*! - * Bucketized locks and lists for names. - * - * XXXRTH Have a per-bucket structure that contains all of these? - */ - dns_adbnamelist_t names[NBUCKETS]; - /*% See dns_adbnamelist_t */ - isc_mutex_t namelocks[NBUCKETS]; - /*% See dns_adbnamelist_t */ - isc_boolean_t name_sd[NBUCKETS]; - /*% See dns_adbnamelist_t */ - unsigned int name_refcnt[NBUCKETS]; - - /*! - * Bucketized locks for entries. - * - * XXXRTH Have a per-bucket structure that contains all of these? - */ - dns_adbentrylist_t entries[NBUCKETS]; - isc_mutex_t entrylocks[NBUCKETS]; - isc_boolean_t entry_sd[NBUCKETS]; /*%< shutting down */ - unsigned int entry_refcnt[NBUCKETS]; - - isc_event_t cevent; - isc_boolean_t cevent_sent; - isc_boolean_t shutting_down; - isc_eventlist_t whenshutdown; - -#ifdef LRU_DEBUG - unsigned int stale_purge; - unsigned int stale_scan; - unsigned int stale_expire; - unsigned int stale_lru; - - unsigned int nname, nname_total; - unsigned int nentry, nentry_total; - unsigned int nameuses, entryuses; -#endif + unsigned int magic; + + isc_mutex_t lock; + isc_mutex_t reflock; /*%< Covers irefcnt, erefcnt */ + isc_mutex_t overmemlock; /*%< Covers overmem */ + isc_mem_t *mctx; + dns_view_t *view; + + isc_taskmgr_t *taskmgr; + isc_task_t *task; + isc_boolean_t overmem; + + isc_interval_t tick_interval; + int next_cleanbucket; + + unsigned int irefcnt; + unsigned int erefcnt; + + isc_mutex_t mplock; + isc_mempool_t *nmp; /*%< dns_adbname_t */ + isc_mempool_t *nhmp; /*%< dns_adbnamehook_t */ + isc_mempool_t *limp; /*%< dns_adblameinfo_t */ + isc_mempool_t *emp; /*%< dns_adbentry_t */ + isc_mempool_t *ahmp; /*%< dns_adbfind_t */ + isc_mempool_t *aimp; /*%< dns_adbaddrinfo_t */ + isc_mempool_t *afmp; /*%< dns_adbfetch_t */ + + /*! + * Bucketized locks and lists for names. + * + * XXXRTH Have a per-bucket structure that contains all of these? + */ + dns_adbnamelist_t names[NBUCKETS]; + /*% See dns_adbnamelist_t */ + isc_mutex_t namelocks[NBUCKETS]; + /*% See dns_adbnamelist_t */ + isc_boolean_t name_sd[NBUCKETS]; + /*% See dns_adbnamelist_t */ + unsigned int name_refcnt[NBUCKETS]; + + /*! + * Bucketized locks for entries. + * + * XXXRTH Have a per-bucket structure that contains all of these? + */ + dns_adbentrylist_t entries[NBUCKETS]; + isc_mutex_t entrylocks[NBUCKETS]; + isc_boolean_t entry_sd[NBUCKETS]; /*%< shutting down */ + unsigned int entry_refcnt[NBUCKETS]; + + isc_event_t cevent; + isc_boolean_t cevent_sent; + isc_boolean_t shutting_down; + isc_eventlist_t whenshutdown; }; /* @@ -204,37 +169,37 @@ struct dns_adb { /*% dns_adbname structure */ struct dns_adbname { - unsigned int magic; - dns_name_t name; - dns_adb_t *adb; - unsigned int partial_result; - unsigned int flags; - int lock_bucket; - dns_name_t target; - isc_stdtime_t expire_target; - isc_stdtime_t expire_v4; - isc_stdtime_t expire_v6; - unsigned int chains; - dns_adbnamehooklist_t v4; - dns_adbnamehooklist_t v6; - dns_adbfetch_t *fetch_a; - dns_adbfetch_t *fetch_aaaa; - unsigned int fetch_err; - unsigned int fetch6_err; - dns_adbfindlist_t finds; - /* for LRU-based management */ - isc_stdtime_t last_used; - - ISC_LINK(dns_adbname_t) plink; + unsigned int magic; + dns_name_t name; + dns_adb_t *adb; + unsigned int partial_result; + unsigned int flags; + int lock_bucket; + dns_name_t target; + isc_stdtime_t expire_target; + isc_stdtime_t expire_v4; + isc_stdtime_t expire_v6; + unsigned int chains; + dns_adbnamehooklist_t v4; + dns_adbnamehooklist_t v6; + dns_adbfetch_t *fetch_a; + dns_adbfetch_t *fetch_aaaa; + unsigned int fetch_err; + unsigned int fetch6_err; + dns_adbfindlist_t finds; + /* for LRU-based management */ + isc_stdtime_t last_used; + + ISC_LINK(dns_adbname_t) plink; }; /*% The adbfetch structure */ struct dns_adbfetch { - unsigned int magic; - dns_adbnamehook_t *namehook; - dns_adbentry_t *entry; - dns_fetch_t *fetch; - dns_rdataset_t rdataset; + unsigned int magic; + dns_adbnamehook_t *namehook; + dns_adbentry_t *entry; + dns_fetch_t *fetch; + dns_rdataset_t rdataset; }; /*% @@ -243,9 +208,9 @@ struct dns_adbfetch { * namehook that will contain the next address this host has. */ struct dns_adbnamehook { - unsigned int magic; - dns_adbentry_t *entry; - ISC_LINK(dns_adbnamehook_t) plink; + unsigned int magic; + dns_adbentry_t *entry; + ISC_LINK(dns_adbnamehook_t) plink; }; /*% @@ -254,13 +219,13 @@ struct dns_adbnamehook { * extended to other types of information about zones. */ struct dns_adblameinfo { - unsigned int magic; + unsigned int magic; - dns_name_t qname; - dns_rdatatype_t qtype; - isc_stdtime_t lame_timer; + dns_name_t qname; + dns_rdatatype_t qtype; + isc_stdtime_t lame_timer; - ISC_LINK(dns_adblameinfo_t) plink; + ISC_LINK(dns_adblameinfo_t) plink; }; /*% @@ -269,26 +234,26 @@ struct dns_adblameinfo { * the host. */ struct dns_adbentry { - unsigned int magic; - - int lock_bucket; - unsigned int refcnt; - - unsigned int flags; - unsigned int srtt; - isc_sockaddr_t sockaddr; - - isc_stdtime_t expires; - /*%< - * A nonzero 'expires' field indicates that the entry should - * persist until that time. This allows entries found - * using dns_adb_findaddrinfo() to persist for a limited time - * even though they are not necessarily associated with a - * name. - */ - - ISC_LIST(dns_adblameinfo_t) lameinfo; - ISC_LINK(dns_adbentry_t) plink; + unsigned int magic; + + int lock_bucket; + unsigned int refcnt; + + unsigned int flags; + unsigned int srtt; + isc_sockaddr_t sockaddr; + + isc_stdtime_t expires; + /*%< + * A nonzero 'expires' field indicates that the entry should + * persist until that time. This allows entries found + * using dns_adb_findaddrinfo() to persist for a limited time + * even though they are not necessarily associated with a + * name. + */ + + ISC_LIST(dns_adblameinfo_t) lameinfo; + ISC_LINK(dns_adbentry_t) plink; }; /* @@ -297,52 +262,51 @@ struct dns_adbentry { static inline dns_adbname_t *new_adbname(dns_adb_t *, dns_name_t *); static inline void free_adbname(dns_adb_t *, dns_adbname_t **); static inline dns_adbnamehook_t *new_adbnamehook(dns_adb_t *, - dns_adbentry_t *); + dns_adbentry_t *); static inline void free_adbnamehook(dns_adb_t *, dns_adbnamehook_t **); static inline dns_adblameinfo_t *new_adblameinfo(dns_adb_t *, dns_name_t *, - dns_rdatatype_t); + dns_rdatatype_t); static inline void free_adblameinfo(dns_adb_t *, dns_adblameinfo_t **); static inline dns_adbentry_t *new_adbentry(dns_adb_t *); static inline void free_adbentry(dns_adb_t *, dns_adbentry_t **); static inline dns_adbfind_t *new_adbfind(dns_adb_t *); static inline isc_boolean_t free_adbfind(dns_adb_t *, dns_adbfind_t **); static inline dns_adbaddrinfo_t *new_adbaddrinfo(dns_adb_t *, dns_adbentry_t *, - in_port_t); + in_port_t); static inline dns_adbfetch_t *new_adbfetch(dns_adb_t *); static inline void free_adbfetch(dns_adb_t *, dns_adbfetch_t **); static inline dns_adbname_t *find_name_and_lock(dns_adb_t *, dns_name_t *, - unsigned int, int *); + unsigned int, int *); static inline dns_adbentry_t *find_entry_and_lock(dns_adb_t *, - isc_sockaddr_t *, int *); + isc_sockaddr_t *, int *); static void dump_adb(dns_adb_t *, FILE *, isc_boolean_t debug, isc_stdtime_t); static void print_dns_name(FILE *, dns_name_t *); static void print_namehook_list(FILE *, const char *legend, - dns_adbnamehooklist_t *list, - isc_boolean_t debug, - isc_stdtime_t now); + dns_adbnamehooklist_t *list, + isc_boolean_t debug, + isc_stdtime_t now); static void print_find_list(FILE *, dns_adbname_t *); static void print_fetch_list(FILE *, dns_adbname_t *); static inline isc_boolean_t dec_adb_irefcnt(dns_adb_t *); static inline void inc_adb_irefcnt(dns_adb_t *); static inline void inc_adb_erefcnt(dns_adb_t *); static inline void inc_entry_refcnt(dns_adb_t *, dns_adbentry_t *, - isc_boolean_t); + isc_boolean_t); static inline isc_boolean_t dec_entry_refcnt(dns_adb_t *, dns_adbentry_t *, - isc_boolean_t); + isc_boolean_t); static inline void violate_locking_hierarchy(isc_mutex_t *, isc_mutex_t *); static isc_boolean_t clean_namehooks(dns_adb_t *, dns_adbnamehooklist_t *, - isc_boolean_t); + isc_boolean_t); static void clean_target(dns_adb_t *, dns_name_t *); static void clean_finds_at_name(dns_adbname_t *, isc_eventtype_t, - unsigned int); + unsigned int); static isc_boolean_t check_expire_namehooks(dns_adbname_t *, isc_stdtime_t); static void cancel_fetches_at_name(dns_adbname_t *); static isc_result_t dbfind_name(dns_adbname_t *, isc_stdtime_t, - dns_rdatatype_t); + dns_rdatatype_t); static isc_result_t fetch_name(dns_adbname_t *, isc_boolean_t, - dns_rdatatype_t); + dns_rdatatype_t); static inline void check_exit(dns_adb_t *); -static void timer_cleanup(isc_task_t *, isc_event_t *); static void destroy(dns_adb_t *); static isc_boolean_t shutdown_names(dns_adb_t *); static isc_boolean_t shutdown_entries(dns_adb_t *); @@ -351,14 +315,10 @@ static inline isc_boolean_t unlink_name(dns_adb_t *, dns_adbname_t *); static inline void link_entry(dns_adb_t *, int, dns_adbentry_t *); static inline isc_boolean_t unlink_entry(dns_adb_t *, dns_adbentry_t *); static isc_boolean_t kill_name(dns_adbname_t **, isc_eventtype_t, - isc_boolean_t); + isc_boolean_t); static void water(void *, int); static void dump_entry(FILE *, dns_adbentry_t *, isc_boolean_t, isc_stdtime_t); -#ifdef LRU_DEBUG -static void timer_dump(isc_task_t *, isc_event_t *); -#endif - /* * MUST NOT overlap DNS_ADBFIND_* flags! */ @@ -404,9 +364,9 @@ static void timer_dump(isc_task_t *, isc_event_t *); #define FIND_WANTEVENT(fn) (((fn)->options & DNS_ADBFIND_WANTEVENT) != 0) #define FIND_WANTEMPTYEVENT(fn) (((fn)->options & DNS_ADBFIND_EMPTYEVENT) != 0) #define FIND_AVOIDFETCHES(fn) (((fn)->options & DNS_ADBFIND_AVOIDFETCHES) \ - != 0) + != 0) #define FIND_STARTATZONE(fn) (((fn)->options & DNS_ADBFIND_STARTATZONE) \ - != 0) + != 0) #define FIND_HINTOK(fn) (((fn)->options & DNS_ADBFIND_HINTOK) != 0) #define FIND_GLUEOK(fn) (((fn)->options & DNS_ADBFIND_GLUEOK) != 0) #define FIND_HAS_ADDRS(fn) (!ISC_LIST_EMPTY((fn)->list)) @@ -430,7 +390,7 @@ static void timer_dump(isc_task_t *, isc_event_t *); #define HINT_OK(nf, o) (!NAME_HINTOK(nf) || (((o) & DNS_ADBFIND_HINTOK) != 0)) #define GLUEHINT_OK(nf, o) (GLUE_OK(nf, o) || HINT_OK(nf, o)) #define STARTATZONE_MATCHES(nf, o) (((nf)->flags & NAME_STARTATZONE) == \ - ((o) & DNS_ADBFIND_STARTATZONE)) + ((o) & DNS_ADBFIND_STARTATZONE)) #define ENTER_LEVEL ISC_LOG_DEBUG(50) #define EXIT_LEVEL ENTER_LEVEL @@ -439,14 +399,14 @@ static void timer_dump(isc_task_t *, isc_event_t *); #define NCACHE_LEVEL ISC_LOG_DEBUG(20) #define NCACHE_RESULT(r) ((r) == DNS_R_NCACHENXDOMAIN || \ - (r) == DNS_R_NCACHENXRRSET) + (r) == DNS_R_NCACHENXRRSET) #define AUTH_NX(r) ((r) == DNS_R_NXDOMAIN || \ - (r) == DNS_R_NXRRSET) + (r) == DNS_R_NXRRSET) #define NXDOMAIN_RESULT(r) ((r) == DNS_R_NXDOMAIN || \ - (r) == DNS_R_NCACHENXDOMAIN) + (r) == DNS_R_NCACHENXDOMAIN) #define NXRRSET_RESULT(r) ((r) == DNS_R_NCACHENXRRSET || \ - (r) == DNS_R_NXRRSET || \ - (r) == DNS_R_HINTNXRRSET) + (r) == DNS_R_NXRRSET || \ + (r) == DNS_R_HINTNXRRSET) /* * Error state rankings. @@ -462,25 +422,25 @@ static void timer_dump(isc_task_t *, isc_event_t *); #define FIND_ERR_MAX 7 static const char *errnames[] = { - "success", - "canceled", - "failure", - "nxdomain", - "nxrrset", - "unexpected", - "not_found" + "success", + "canceled", + "failure", + "nxdomain", + "nxrrset", + "unexpected", + "not_found" }; #define NEWERR(old, new) (ISC_MIN((old), (new))) static isc_result_t find_err_map[FIND_ERR_MAX] = { - ISC_R_SUCCESS, - ISC_R_CANCELED, - ISC_R_FAILURE, - DNS_R_NXDOMAIN, - DNS_R_NXRRSET, - ISC_R_UNEXPECTED, - ISC_R_NOTFOUND /* not YET found */ + ISC_R_SUCCESS, + ISC_R_CANCELED, + ISC_R_FAILURE, + DNS_R_NXDOMAIN, + DNS_R_NXRRSET, + ISC_R_UNEXPECTED, + ISC_R_NOTFOUND /* not YET found */ }; static void @@ -488,23 +448,32 @@ DP(int level, const char *format, ...) ISC_FORMAT_PRINTF(2, 3); static void DP(int level, const char *format, ...) { - va_list args; + va_list args; - va_start(args, format); - isc_log_vwrite(dns_lctx, - DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_ADB, - level, format, args); - va_end(args); + va_start(args, format); + isc_log_vwrite(dns_lctx, + DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_ADB, + level, format, args); + va_end(args); +} + +/*% + * Increment resolver-related statistics counters. + */ +static inline void +inc_stats(dns_adb_t *adb, dns_statscounter_t counter) { + if (adb->view->resstats != NULL) + dns_generalstats_increment(adb->view->resstats, counter); } static inline dns_ttl_t ttlclamp(dns_ttl_t ttl) { - if (ttl < ADB_CACHE_MINIMUM) - ttl = ADB_CACHE_MINIMUM; - if (ttl > ADB_CACHE_MAXIMUM) - ttl = ADB_CACHE_MAXIMUM; + if (ttl < ADB_CACHE_MINIMUM) + ttl = ADB_CACHE_MINIMUM; + if (ttl > ADB_CACHE_MAXIMUM) + ttl = ADB_CACHE_MAXIMUM; - return (ttl); + return (ttl); } /* @@ -514,134 +483,133 @@ ttlclamp(dns_ttl_t ttl) { */ static isc_result_t import_rdataset(dns_adbname_t *adbname, dns_rdataset_t *rdataset, - isc_stdtime_t now) + isc_stdtime_t now) { - isc_result_t result; - dns_adb_t *adb; - dns_adbnamehook_t *nh; - dns_adbnamehook_t *anh; - dns_rdata_t rdata = DNS_RDATA_INIT; - struct in_addr ina; - struct in6_addr in6a; - isc_sockaddr_t sockaddr; - dns_adbentry_t *foundentry; /* NO CLEAN UP! */ - int addr_bucket; - isc_boolean_t new_addresses_added; - dns_rdatatype_t rdtype; - unsigned int findoptions; - - INSIST(DNS_ADBNAME_VALID(adbname)); - adb = adbname->adb; - INSIST(DNS_ADB_VALID(adb)); - - rdtype = rdataset->type; - INSIST((rdtype == dns_rdatatype_a) || (rdtype == dns_rdatatype_aaaa)); - if (rdtype == dns_rdatatype_a) - findoptions = DNS_ADBFIND_INET; - else - findoptions = DNS_ADBFIND_INET6; - - addr_bucket = DNS_ADB_INVALIDBUCKET; - new_addresses_added = ISC_FALSE; - - nh = NULL; - result = dns_rdataset_first(rdataset); - while (result == ISC_R_SUCCESS) { - dns_rdata_reset(&rdata); - dns_rdataset_current(rdataset, &rdata); - if (rdtype == dns_rdatatype_a) { - INSIST(rdata.length == 4); - memcpy(&ina.s_addr, rdata.data, 4); - isc_sockaddr_fromin(&sockaddr, &ina, 0); - } else { - INSIST(rdata.length == 16); - memcpy(in6a.s6_addr, rdata.data, 16); - isc_sockaddr_fromin6(&sockaddr, &in6a, 0); - } - - INSIST(nh == NULL); - nh = new_adbnamehook(adb, NULL); - if (nh == NULL) { - adbname->partial_result |= findoptions; - result = ISC_R_NOMEMORY; - goto fail; - } - - foundentry = find_entry_and_lock(adb, &sockaddr, &addr_bucket); - if (foundentry == NULL) { - dns_adbentry_t *entry; - - entry = new_adbentry(adb); - if (entry == NULL) { - adbname->partial_result |= findoptions; - result = ISC_R_NOMEMORY; - goto fail; - } - - entry->sockaddr = sockaddr; - entry->refcnt = 1; - - nh->entry = entry; - - link_entry(adb, addr_bucket, entry); - } else { - for (anh = ISC_LIST_HEAD(adbname->v4); - anh != NULL; - anh = ISC_LIST_NEXT(anh, plink)) - if (anh->entry == foundentry) - break; - if (anh == NULL) { - foundentry->refcnt++; - nh->entry = foundentry; - } else - free_adbnamehook(adb, &nh); - } - - new_addresses_added = ISC_TRUE; - if (nh != NULL) { - if (rdtype == dns_rdatatype_a) - ISC_LIST_APPEND(adbname->v4, nh, plink); - else - ISC_LIST_APPEND(adbname->v6, nh, plink); - } - nh = NULL; - result = dns_rdataset_next(rdataset); - } + isc_result_t result; + dns_adb_t *adb; + dns_adbnamehook_t *nh; + dns_adbnamehook_t *anh; + dns_rdata_t rdata = DNS_RDATA_INIT; + struct in_addr ina; + struct in6_addr in6a; + isc_sockaddr_t sockaddr; + dns_adbentry_t *foundentry; /* NO CLEAN UP! */ + int addr_bucket; + isc_boolean_t new_addresses_added; + dns_rdatatype_t rdtype; + unsigned int findoptions; + dns_adbnamehooklist_t *hookhead; + + INSIST(DNS_ADBNAME_VALID(adbname)); + adb = adbname->adb; + INSIST(DNS_ADB_VALID(adb)); + + rdtype = rdataset->type; + INSIST((rdtype == dns_rdatatype_a) || (rdtype == dns_rdatatype_aaaa)); + if (rdtype == dns_rdatatype_a) + findoptions = DNS_ADBFIND_INET; + else + findoptions = DNS_ADBFIND_INET6; + + addr_bucket = DNS_ADB_INVALIDBUCKET; + new_addresses_added = ISC_FALSE; + + nh = NULL; + result = dns_rdataset_first(rdataset); + while (result == ISC_R_SUCCESS) { + dns_rdata_reset(&rdata); + dns_rdataset_current(rdataset, &rdata); + if (rdtype == dns_rdatatype_a) { + INSIST(rdata.length == 4); + memcpy(&ina.s_addr, rdata.data, 4); + isc_sockaddr_fromin(&sockaddr, &ina, 0); + hookhead = &adbname->v4; + } else { + INSIST(rdata.length == 16); + memcpy(in6a.s6_addr, rdata.data, 16); + isc_sockaddr_fromin6(&sockaddr, &in6a, 0); + hookhead = &adbname->v6; + } + + INSIST(nh == NULL); + nh = new_adbnamehook(adb, NULL); + if (nh == NULL) { + adbname->partial_result |= findoptions; + result = ISC_R_NOMEMORY; + goto fail; + } + + foundentry = find_entry_and_lock(adb, &sockaddr, &addr_bucket); + if (foundentry == NULL) { + dns_adbentry_t *entry; + + entry = new_adbentry(adb); + if (entry == NULL) { + adbname->partial_result |= findoptions; + result = ISC_R_NOMEMORY; + goto fail; + } + + entry->sockaddr = sockaddr; + entry->refcnt = 1; + + nh->entry = entry; + + link_entry(adb, addr_bucket, entry); + } else { + for (anh = ISC_LIST_HEAD(*hookhead); + anh != NULL; + anh = ISC_LIST_NEXT(anh, plink)) + if (anh->entry == foundentry) + break; + if (anh == NULL) { + foundentry->refcnt++; + nh->entry = foundentry; + } else + free_adbnamehook(adb, &nh); + } + + new_addresses_added = ISC_TRUE; + if (nh != NULL) + ISC_LIST_APPEND(*hookhead, nh, plink); + nh = NULL; + result = dns_rdataset_next(rdataset); + } fail: - if (nh != NULL) - free_adbnamehook(adb, &nh); - - if (addr_bucket != DNS_ADB_INVALIDBUCKET) - UNLOCK(&adb->entrylocks[addr_bucket]); - - if (rdataset->trust == dns_trust_glue || - rdataset->trust == dns_trust_additional) - rdataset->ttl = ADB_CACHE_MINIMUM; - else - rdataset->ttl = ttlclamp(rdataset->ttl); - - if (rdtype == dns_rdatatype_a) { - DP(NCACHE_LEVEL, "expire_v4 set to MIN(%u,%u) import_rdataset", - adbname->expire_v4, now + rdataset->ttl); - adbname->expire_v4 = ISC_MIN(adbname->expire_v4, - now + rdataset->ttl); - } else { - DP(NCACHE_LEVEL, "expire_v6 set to MIN(%u,%u) import_rdataset", - adbname->expire_v6, now + rdataset->ttl); - adbname->expire_v6 = ISC_MIN(adbname->expire_v6, - now + rdataset->ttl); - } - - if (new_addresses_added) { - /* - * Lie a little here. This is more or less so code that cares - * can find out if any new information was added or not. - */ - return (ISC_R_SUCCESS); - } - - return (result); + if (nh != NULL) + free_adbnamehook(adb, &nh); + + if (addr_bucket != DNS_ADB_INVALIDBUCKET) + UNLOCK(&adb->entrylocks[addr_bucket]); + + if (rdataset->trust == dns_trust_glue || + rdataset->trust == dns_trust_additional) + rdataset->ttl = ADB_CACHE_MINIMUM; + else + rdataset->ttl = ttlclamp(rdataset->ttl); + + if (rdtype == dns_rdatatype_a) { + DP(NCACHE_LEVEL, "expire_v4 set to MIN(%u,%u) import_rdataset", + adbname->expire_v4, now + rdataset->ttl); + adbname->expire_v4 = ISC_MIN(adbname->expire_v4, + now + rdataset->ttl); + } else { + DP(NCACHE_LEVEL, "expire_v6 set to MIN(%u,%u) import_rdataset", + adbname->expire_v6, now + rdataset->ttl); + adbname->expire_v6 = ISC_MIN(adbname->expire_v6, + now + rdataset->ttl); + } + + if (new_addresses_added) { + /* + * Lie a little here. This is more or less so code that cares + * can find out if any new information was added or not. + */ + return (ISC_R_SUCCESS); + } + + return (result); } /* @@ -649,57 +617,57 @@ import_rdataset(dns_adbname_t *adbname, dns_rdataset_t *rdataset, */ static isc_boolean_t kill_name(dns_adbname_t **n, isc_eventtype_t ev, isc_boolean_t is_purge) { - dns_adbname_t *name; - isc_boolean_t result = ISC_FALSE; - isc_boolean_t result4, result6; - dns_adb_t *adb; - - INSIST(n != NULL); - name = *n; - *n = NULL; - INSIST(DNS_ADBNAME_VALID(name)); - adb = name->adb; - INSIST(DNS_ADB_VALID(adb)); - - DP(DEF_LEVEL, "killing name %p", name); - - /* - * If we're dead already, just check to see if we should go - * away now or not. - */ - if (NAME_DEAD(name) && !NAME_FETCH(name)) { - result = unlink_name(adb, name); - free_adbname(adb, &name); - if (result) - result = dec_adb_irefcnt(adb); - return (result); - } - - /* - * Clean up the name's various lists. These two are destructive - * in that they will always empty the list. - */ - clean_finds_at_name(name, ev, DNS_ADBFIND_ADDRESSMASK); - result4 = clean_namehooks(adb, &name->v4, is_purge); - result6 = clean_namehooks(adb, &name->v6, is_purge); - clean_target(adb, &name->target); - result = ISC_TF(result4 || result6); - - /* - * If fetches are running, cancel them. If none are running, we can - * just kill the name here. - */ - if (!NAME_FETCH(name)) { - INSIST(result == ISC_FALSE); - result = unlink_name(adb, name); - free_adbname(adb, &name); - if (result) - result = dec_adb_irefcnt(adb); - } else { - name->flags |= NAME_IS_DEAD; - cancel_fetches_at_name(name); - } - return (result); + dns_adbname_t *name; + isc_boolean_t result = ISC_FALSE; + isc_boolean_t result4, result6; + dns_adb_t *adb; + + INSIST(n != NULL); + name = *n; + *n = NULL; + INSIST(DNS_ADBNAME_VALID(name)); + adb = name->adb; + INSIST(DNS_ADB_VALID(adb)); + + DP(DEF_LEVEL, "killing name %p", name); + + /* + * If we're dead already, just check to see if we should go + * away now or not. + */ + if (NAME_DEAD(name) && !NAME_FETCH(name)) { + result = unlink_name(adb, name); + free_adbname(adb, &name); + if (result) + result = dec_adb_irefcnt(adb); + return (result); + } + + /* + * Clean up the name's various lists. These two are destructive + * in that they will always empty the list. + */ + clean_finds_at_name(name, ev, DNS_ADBFIND_ADDRESSMASK); + result4 = clean_namehooks(adb, &name->v4, is_purge); + result6 = clean_namehooks(adb, &name->v6, is_purge); + clean_target(adb, &name->target); + result = ISC_TF(result4 || result6); + + /* + * If fetches are running, cancel them. If none are running, we can + * just kill the name here. + */ + if (!NAME_FETCH(name)) { + INSIST(result == ISC_FALSE); + result = unlink_name(adb, name); + free_adbname(adb, &name); + if (result) + result = dec_adb_irefcnt(adb); + } else { + name->flags |= NAME_IS_DEAD; + cancel_fetches_at_name(name); + } + return (result); } /* @@ -707,48 +675,48 @@ kill_name(dns_adbname_t **n, isc_eventtype_t ev, isc_boolean_t is_purge) { */ static isc_boolean_t check_expire_namehooks(dns_adbname_t *name, isc_stdtime_t now) { - dns_adb_t *adb; - isc_boolean_t result4 = ISC_FALSE; - isc_boolean_t result6 = ISC_FALSE; - - INSIST(DNS_ADBNAME_VALID(name)); - adb = name->adb; - INSIST(DNS_ADB_VALID(adb)); - - /* - * Check to see if we need to remove the v4 addresses - */ - if (!NAME_FETCH_V4(name) && EXPIRE_OK(name->expire_v4, now)) { - if (NAME_HAS_V4(name)) { - DP(DEF_LEVEL, "expiring v4 for name %p", name); - result4 = clean_namehooks(adb, &name->v4, ISC_FALSE); - name->partial_result &= ~DNS_ADBFIND_INET; - } - name->expire_v4 = INT_MAX; - name->fetch_err = FIND_ERR_UNEXPECTED; - } - - /* - * Check to see if we need to remove the v6 addresses - */ - if (!NAME_FETCH_V6(name) && EXPIRE_OK(name->expire_v6, now)) { - if (NAME_HAS_V6(name)) { - DP(DEF_LEVEL, "expiring v6 for name %p", name); - result6 = clean_namehooks(adb, &name->v6, ISC_FALSE); - name->partial_result &= ~DNS_ADBFIND_INET6; - } - name->expire_v6 = INT_MAX; - name->fetch6_err = FIND_ERR_UNEXPECTED; - } - - /* - * Check to see if we need to remove the alias target. - */ - if (EXPIRE_OK(name->expire_target, now)) { - clean_target(adb, &name->target); - name->expire_target = INT_MAX; - } - return (ISC_TF(result4 || result6)); + dns_adb_t *adb; + isc_boolean_t result4 = ISC_FALSE; + isc_boolean_t result6 = ISC_FALSE; + + INSIST(DNS_ADBNAME_VALID(name)); + adb = name->adb; + INSIST(DNS_ADB_VALID(adb)); + + /* + * Check to see if we need to remove the v4 addresses + */ + if (!NAME_FETCH_V4(name) && EXPIRE_OK(name->expire_v4, now)) { + if (NAME_HAS_V4(name)) { + DP(DEF_LEVEL, "expiring v4 for name %p", name); + result4 = clean_namehooks(adb, &name->v4, ISC_FALSE); + name->partial_result &= ~DNS_ADBFIND_INET; + } + name->expire_v4 = INT_MAX; + name->fetch_err = FIND_ERR_UNEXPECTED; + } + + /* + * Check to see if we need to remove the v6 addresses + */ + if (!NAME_FETCH_V6(name) && EXPIRE_OK(name->expire_v6, now)) { + if (NAME_HAS_V6(name)) { + DP(DEF_LEVEL, "expiring v6 for name %p", name); + result6 = clean_namehooks(adb, &name->v6, ISC_FALSE); + name->partial_result &= ~DNS_ADBFIND_INET6; + } + name->expire_v6 = INT_MAX; + name->fetch6_err = FIND_ERR_UNEXPECTED; + } + + /* + * Check to see if we need to remove the alias target. + */ + if (EXPIRE_OK(name->expire_target, now)) { + clean_target(adb, &name->target); + name->expire_target = INT_MAX; + } + return (ISC_TF(result4 || result6)); } /* @@ -756,11 +724,11 @@ check_expire_namehooks(dns_adbname_t *name, isc_stdtime_t now) { */ static inline void link_name(dns_adb_t *adb, int bucket, dns_adbname_t *name) { - INSIST(name->lock_bucket == DNS_ADB_INVALIDBUCKET); + INSIST(name->lock_bucket == DNS_ADB_INVALIDBUCKET); - ISC_LIST_PREPEND(adb->names[bucket], name, plink); - name->lock_bucket = bucket; - adb->name_refcnt[bucket]++; + ISC_LIST_PREPEND(adb->names[bucket], name, plink); + name->lock_bucket = bucket; + adb->name_refcnt[bucket]++; } /* @@ -768,19 +736,19 @@ link_name(dns_adb_t *adb, int bucket, dns_adbname_t *name) { */ static inline isc_boolean_t unlink_name(dns_adb_t *adb, dns_adbname_t *name) { - int bucket; - isc_boolean_t result = ISC_FALSE; + int bucket; + isc_boolean_t result = ISC_FALSE; - bucket = name->lock_bucket; - INSIST(bucket != DNS_ADB_INVALIDBUCKET); + bucket = name->lock_bucket; + INSIST(bucket != DNS_ADB_INVALIDBUCKET); - ISC_LIST_UNLINK(adb->names[bucket], name, plink); - name->lock_bucket = DNS_ADB_INVALIDBUCKET; - INSIST(adb->name_refcnt[bucket] > 0); - adb->name_refcnt[bucket]--; - if (adb->name_sd[bucket] && adb->name_refcnt[bucket] == 0) - result = ISC_TRUE; - return (result); + ISC_LIST_UNLINK(adb->names[bucket], name, plink); + name->lock_bucket = DNS_ADB_INVALIDBUCKET; + INSIST(adb->name_refcnt[bucket] > 0); + adb->name_refcnt[bucket]--; + if (adb->name_sd[bucket] && adb->name_refcnt[bucket] == 0) + result = ISC_TRUE; + return (result); } /* @@ -788,9 +756,9 @@ unlink_name(dns_adb_t *adb, dns_adbname_t *name) { */ static inline void link_entry(dns_adb_t *adb, int bucket, dns_adbentry_t *entry) { - ISC_LIST_PREPEND(adb->entries[bucket], entry, plink); - entry->lock_bucket = bucket; - adb->entry_refcnt[bucket]++; + ISC_LIST_PREPEND(adb->entries[bucket], entry, plink); + entry->lock_bucket = bucket; + adb->entry_refcnt[bucket]++; } /* @@ -798,28 +766,28 @@ link_entry(dns_adb_t *adb, int bucket, dns_adbentry_t *entry) { */ static inline isc_boolean_t unlink_entry(dns_adb_t *adb, dns_adbentry_t *entry) { - int bucket; - isc_boolean_t result = ISC_FALSE; + int bucket; + isc_boolean_t result = ISC_FALSE; - bucket = entry->lock_bucket; - INSIST(bucket != DNS_ADB_INVALIDBUCKET); + bucket = entry->lock_bucket; + INSIST(bucket != DNS_ADB_INVALIDBUCKET); - ISC_LIST_UNLINK(adb->entries[bucket], entry, plink); - entry->lock_bucket = DNS_ADB_INVALIDBUCKET; - INSIST(adb->entry_refcnt[bucket] > 0); - adb->entry_refcnt[bucket]--; - if (adb->entry_sd[bucket] && adb->entry_refcnt[bucket] == 0) - result = ISC_TRUE; - return (result); + ISC_LIST_UNLINK(adb->entries[bucket], entry, plink); + entry->lock_bucket = DNS_ADB_INVALIDBUCKET; + INSIST(adb->entry_refcnt[bucket] > 0); + adb->entry_refcnt[bucket]--; + if (adb->entry_sd[bucket] && adb->entry_refcnt[bucket] == 0) + result = ISC_TRUE; + return (result); } static inline void violate_locking_hierarchy(isc_mutex_t *have, isc_mutex_t *want) { - if (isc_mutex_trylock(want) != ISC_R_SUCCESS) { - UNLOCK(have); - LOCK(want); - LOCK(have); - } + if (isc_mutex_trylock(want) != ISC_R_SUCCESS) { + UNLOCK(have); + LOCK(want); + LOCK(have); + } } /* @@ -828,44 +796,44 @@ violate_locking_hierarchy(isc_mutex_t *have, isc_mutex_t *want) { */ static isc_boolean_t shutdown_names(dns_adb_t *adb) { - int bucket; - isc_boolean_t result = ISC_FALSE; - dns_adbname_t *name; - dns_adbname_t *next_name; - - for (bucket = 0; bucket < NBUCKETS; bucket++) { - LOCK(&adb->namelocks[bucket]); - adb->name_sd[bucket] = ISC_TRUE; - - name = ISC_LIST_HEAD(adb->names[bucket]); - if (name == NULL) { - /* - * This bucket has no names. We must decrement the - * irefcnt ourselves, since it will not be - * automatically triggered by a name being unlinked. - */ - INSIST(result == ISC_FALSE); - result = dec_adb_irefcnt(adb); - } else { - /* - * Run through the list. For each name, clean up finds - * found there, and cancel any fetches running. When - * all the fetches are canceled, the name will destroy - * itself. - */ - while (name != NULL) { - next_name = ISC_LIST_NEXT(name, plink); - INSIST(result == ISC_FALSE); - result = kill_name(&name, - DNS_EVENT_ADBSHUTDOWN, - ISC_FALSE); - name = next_name; - } - } - - UNLOCK(&adb->namelocks[bucket]); - } - return (result); + int bucket; + isc_boolean_t result = ISC_FALSE; + dns_adbname_t *name; + dns_adbname_t *next_name; + + for (bucket = 0; bucket < NBUCKETS; bucket++) { + LOCK(&adb->namelocks[bucket]); + adb->name_sd[bucket] = ISC_TRUE; + + name = ISC_LIST_HEAD(adb->names[bucket]); + if (name == NULL) { + /* + * This bucket has no names. We must decrement the + * irefcnt ourselves, since it will not be + * automatically triggered by a name being unlinked. + */ + INSIST(result == ISC_FALSE); + result = dec_adb_irefcnt(adb); + } else { + /* + * Run through the list. For each name, clean up finds + * found there, and cancel any fetches running. When + * all the fetches are canceled, the name will destroy + * itself. + */ + while (name != NULL) { + next_name = ISC_LIST_NEXT(name, plink); + INSIST(result == ISC_FALSE); + result = kill_name(&name, + DNS_EVENT_ADBSHUTDOWN, + ISC_FALSE); + name = next_name; + } + } + + UNLOCK(&adb->namelocks[bucket]); + } + return (result); } /* @@ -874,44 +842,44 @@ shutdown_names(dns_adb_t *adb) { */ static isc_boolean_t shutdown_entries(dns_adb_t *adb) { - int bucket; - isc_boolean_t result = ISC_FALSE; - dns_adbentry_t *entry; - dns_adbentry_t *next_entry; - - for (bucket = 0; bucket < NBUCKETS; bucket++) { - LOCK(&adb->entrylocks[bucket]); - adb->entry_sd[bucket] = ISC_TRUE; - - entry = ISC_LIST_HEAD(adb->entries[bucket]); - if (entry == NULL) { - /* - * This bucket has no entries. We must decrement the - * irefcnt ourselves, since it will not be - * automatically triggered by an entry being unlinked. - */ - result = dec_adb_irefcnt(adb); - } else { - /* - * Run through the list. Cleanup any entries not - * associated with names, and which are not in use. - */ - while (entry != NULL) { - next_entry = ISC_LIST_NEXT(entry, plink); - if (entry->refcnt == 0 && - entry->expires != 0) { - result = unlink_entry(adb, entry); - free_adbentry(adb, &entry); - if (result) - result = dec_adb_irefcnt(adb); - } - entry = next_entry; - } - } - - UNLOCK(&adb->entrylocks[bucket]); - } - return (result); + int bucket; + isc_boolean_t result = ISC_FALSE; + dns_adbentry_t *entry; + dns_adbentry_t *next_entry; + + for (bucket = 0; bucket < NBUCKETS; bucket++) { + LOCK(&adb->entrylocks[bucket]); + adb->entry_sd[bucket] = ISC_TRUE; + + entry = ISC_LIST_HEAD(adb->entries[bucket]); + if (entry == NULL) { + /* + * This bucket has no entries. We must decrement the + * irefcnt ourselves, since it will not be + * automatically triggered by an entry being unlinked. + */ + result = dec_adb_irefcnt(adb); + } else { + /* + * Run through the list. Cleanup any entries not + * associated with names, and which are not in use. + */ + while (entry != NULL) { + next_entry = ISC_LIST_NEXT(entry, plink); + if (entry->refcnt == 0 && + entry->expires != 0) { + result = unlink_entry(adb, entry); + free_adbentry(adb, &entry); + if (result) + result = dec_adb_irefcnt(adb); + } + entry = next_entry; + } + } + + UNLOCK(&adb->entrylocks[bucket]); + } + return (result); } /* @@ -919,11 +887,11 @@ shutdown_entries(dns_adb_t *adb) { */ static void cancel_fetches_at_name(dns_adbname_t *name) { - if (NAME_FETCH_A(name)) - dns_resolver_cancelfetch(name->fetch_a->fetch); + if (NAME_FETCH_A(name)) + dns_resolver_cancelfetch(name->fetch_a->fetch); - if (NAME_FETCH_AAAA(name)) - dns_resolver_cancelfetch(name->fetch_aaaa->fetch); + if (NAME_FETCH_AAAA(name)) + dns_resolver_cancelfetch(name->fetch_aaaa->fetch); } /* @@ -931,131 +899,131 @@ cancel_fetches_at_name(dns_adbname_t *name) { */ static isc_boolean_t clean_namehooks(dns_adb_t *adb, dns_adbnamehooklist_t *namehooks, - isc_boolean_t is_purge) + isc_boolean_t is_purge) { - dns_adbentry_t *entry; - dns_adbnamehook_t *namehook; - int addr_bucket; - isc_boolean_t result = ISC_FALSE; - - addr_bucket = DNS_ADB_INVALIDBUCKET; - namehook = ISC_LIST_HEAD(*namehooks); - while (namehook != NULL) { - INSIST(DNS_ADBNAMEHOOK_VALID(namehook)); - - /* - * Clean up the entry if needed. - */ - entry = namehook->entry; - if (entry != NULL) { - INSIST(DNS_ADBENTRY_VALID(entry)); - - if (addr_bucket != entry->lock_bucket) { - if (addr_bucket != DNS_ADB_INVALIDBUCKET) - UNLOCK(&adb->entrylocks[addr_bucket]); - addr_bucket = entry->lock_bucket; - LOCK(&adb->entrylocks[addr_bucket]); - } - - /* - * If we are in an overmem situation, force expiration - * so that # of names and # of entries are well - * balanced. - */ - if (is_purge) - entry->expires = 0; - result = dec_entry_refcnt(adb, entry, ISC_FALSE); - } - - /* - * Free the namehook - */ - namehook->entry = NULL; - ISC_LIST_UNLINK(*namehooks, namehook, plink); - free_adbnamehook(adb, &namehook); - - namehook = ISC_LIST_HEAD(*namehooks); - } - - if (addr_bucket != DNS_ADB_INVALIDBUCKET) - UNLOCK(&adb->entrylocks[addr_bucket]); - return (result); + dns_adbentry_t *entry; + dns_adbnamehook_t *namehook; + int addr_bucket; + isc_boolean_t result = ISC_FALSE; + + addr_bucket = DNS_ADB_INVALIDBUCKET; + namehook = ISC_LIST_HEAD(*namehooks); + while (namehook != NULL) { + INSIST(DNS_ADBNAMEHOOK_VALID(namehook)); + + /* + * Clean up the entry if needed. + */ + entry = namehook->entry; + if (entry != NULL) { + INSIST(DNS_ADBENTRY_VALID(entry)); + + if (addr_bucket != entry->lock_bucket) { + if (addr_bucket != DNS_ADB_INVALIDBUCKET) + UNLOCK(&adb->entrylocks[addr_bucket]); + addr_bucket = entry->lock_bucket; + LOCK(&adb->entrylocks[addr_bucket]); + } + + /* + * If we are in an overmem situation, force expiration + * so that # of names and # of entries are well + * balanced. + */ + if (is_purge) + entry->expires = 0; + result = dec_entry_refcnt(adb, entry, ISC_FALSE); + } + + /* + * Free the namehook + */ + namehook->entry = NULL; + ISC_LIST_UNLINK(*namehooks, namehook, plink); + free_adbnamehook(adb, &namehook); + + namehook = ISC_LIST_HEAD(*namehooks); + } + + if (addr_bucket != DNS_ADB_INVALIDBUCKET) + UNLOCK(&adb->entrylocks[addr_bucket]); + return (result); } static void clean_target(dns_adb_t *adb, dns_name_t *target) { - if (dns_name_countlabels(target) > 0) { - dns_name_free(target, adb->mctx); - dns_name_init(target, NULL); - } + if (dns_name_countlabels(target) > 0) { + dns_name_free(target, adb->mctx); + dns_name_init(target, NULL); + } } static isc_result_t set_target(dns_adb_t *adb, dns_name_t *name, dns_name_t *fname, - dns_rdataset_t *rdataset, dns_name_t *target) + dns_rdataset_t *rdataset, dns_name_t *target) { - isc_result_t result; - dns_namereln_t namereln; - unsigned int nlabels; - int order; - dns_rdata_t rdata = DNS_RDATA_INIT; - dns_fixedname_t fixed1, fixed2; - dns_name_t *prefix, *new_target; - - REQUIRE(dns_name_countlabels(target) == 0); - - if (rdataset->type == dns_rdatatype_cname) { - dns_rdata_cname_t cname; - - /* - * Copy the CNAME's target into the target name. - */ - result = dns_rdataset_first(rdataset); - if (result != ISC_R_SUCCESS) - return (result); - dns_rdataset_current(rdataset, &rdata); - result = dns_rdata_tostruct(&rdata, &cname, NULL); - if (result != ISC_R_SUCCESS) - return (result); - result = dns_name_dup(&cname.cname, adb->mctx, target); - dns_rdata_freestruct(&cname); - if (result != ISC_R_SUCCESS) - return (result); - } else { - dns_rdata_dname_t dname; - - INSIST(rdataset->type == dns_rdatatype_dname); - namereln = dns_name_fullcompare(name, fname, &order, &nlabels); - INSIST(namereln == dns_namereln_subdomain); - /* - * Get the target name of the DNAME. - */ - result = dns_rdataset_first(rdataset); - if (result != ISC_R_SUCCESS) - return (result); - dns_rdataset_current(rdataset, &rdata); - result = dns_rdata_tostruct(&rdata, &dname, NULL); - if (result != ISC_R_SUCCESS) - return (result); - /* - * Construct the new target name. - */ - dns_fixedname_init(&fixed1); - prefix = dns_fixedname_name(&fixed1); - dns_fixedname_init(&fixed2); - new_target = dns_fixedname_name(&fixed2); - dns_name_split(name, nlabels, prefix, NULL); - result = dns_name_concatenate(prefix, &dname.dname, new_target, - NULL); - dns_rdata_freestruct(&dname); - if (result != ISC_R_SUCCESS) - return (result); - result = dns_name_dup(new_target, adb->mctx, target); - if (result != ISC_R_SUCCESS) - return (result); - } - - return (ISC_R_SUCCESS); + isc_result_t result; + dns_namereln_t namereln; + unsigned int nlabels; + int order; + dns_rdata_t rdata = DNS_RDATA_INIT; + dns_fixedname_t fixed1, fixed2; + dns_name_t *prefix, *new_target; + + REQUIRE(dns_name_countlabels(target) == 0); + + if (rdataset->type == dns_rdatatype_cname) { + dns_rdata_cname_t cname; + + /* + * Copy the CNAME's target into the target name. + */ + result = dns_rdataset_first(rdataset); + if (result != ISC_R_SUCCESS) + return (result); + dns_rdataset_current(rdataset, &rdata); + result = dns_rdata_tostruct(&rdata, &cname, NULL); + if (result != ISC_R_SUCCESS) + return (result); + result = dns_name_dup(&cname.cname, adb->mctx, target); + dns_rdata_freestruct(&cname); + if (result != ISC_R_SUCCESS) + return (result); + } else { + dns_rdata_dname_t dname; + + INSIST(rdataset->type == dns_rdatatype_dname); + namereln = dns_name_fullcompare(name, fname, &order, &nlabels); + INSIST(namereln == dns_namereln_subdomain); + /* + * Get the target name of the DNAME. + */ + result = dns_rdataset_first(rdataset); + if (result != ISC_R_SUCCESS) + return (result); + dns_rdataset_current(rdataset, &rdata); + result = dns_rdata_tostruct(&rdata, &dname, NULL); + if (result != ISC_R_SUCCESS) + return (result); + /* + * Construct the new target name. + */ + dns_fixedname_init(&fixed1); + prefix = dns_fixedname_name(&fixed1); + dns_fixedname_init(&fixed2); + new_target = dns_fixedname_name(&fixed2); + dns_name_split(name, nlabels, prefix, NULL); + result = dns_name_concatenate(prefix, &dname.dname, new_target, + NULL); + dns_rdata_freestruct(&dname); + if (result != ISC_R_SUCCESS) + return (result); + result = dns_name_dup(new_target, adb->mctx, target); + if (result != ISC_R_SUCCESS) + return (result); + } + + return (ISC_R_SUCCESS); } /* @@ -1063,16 +1031,16 @@ set_target(dns_adb_t *adb, dns_name_t *name, dns_name_t *fname, */ static void event_free(isc_event_t *event) { - dns_adbfind_t *find; + dns_adbfind_t *find; - INSIST(event != NULL); - find = event->ev_destroy_arg; - INSIST(DNS_ADBFIND_VALID(find)); + INSIST(event != NULL); + find = event->ev_destroy_arg; + INSIST(DNS_ADBFIND_VALID(find)); - LOCK(&find->lock); - find->flags |= FIND_EVENT_FREED; - event->ev_destroy_arg = NULL; - UNLOCK(&find->lock); + LOCK(&find->lock); + find->flags |= FIND_EVENT_FREED; + event->ev_destroy_arg = NULL; + UNLOCK(&find->lock); } /* @@ -1080,502 +1048,487 @@ event_free(isc_event_t *event) { */ static void clean_finds_at_name(dns_adbname_t *name, isc_eventtype_t evtype, - unsigned int addrs) + unsigned int addrs) { - isc_event_t *ev; - isc_task_t *task; - dns_adbfind_t *find; - dns_adbfind_t *next_find; - isc_boolean_t process; - unsigned int wanted, notify; - - DP(ENTER_LEVEL, - "ENTER clean_finds_at_name, name %p, evtype %08x, addrs %08x", - name, evtype, addrs); - - find = ISC_LIST_HEAD(name->finds); - while (find != NULL) { - LOCK(&find->lock); - next_find = ISC_LIST_NEXT(find, plink); - - process = ISC_FALSE; - wanted = find->flags & DNS_ADBFIND_ADDRESSMASK; - notify = wanted & addrs; - - switch (evtype) { - case DNS_EVENT_ADBMOREADDRESSES: - DP(ISC_LOG_DEBUG(3), "DNS_EVENT_ADBMOREADDRESSES"); - if ((notify) != 0) { - find->flags &= ~addrs; - process = ISC_TRUE; - } - break; - case DNS_EVENT_ADBNOMOREADDRESSES: - DP(ISC_LOG_DEBUG(3), "DNS_EVENT_ADBNOMOREADDRESSES"); - find->flags &= ~addrs; - wanted = find->flags & DNS_ADBFIND_ADDRESSMASK; - if (wanted == 0) - process = ISC_TRUE; - break; - default: - find->flags &= ~addrs; - process = ISC_TRUE; - } - - if (process) { - DP(DEF_LEVEL, "cfan: processing find %p", find); - /* - * Unlink the find from the name, letting the caller - * call dns_adb_destroyfind() on it to clean it up - * later. - */ - ISC_LIST_UNLINK(name->finds, find, plink); - find->adbname = NULL; - find->name_bucket = DNS_ADB_INVALIDBUCKET; - - INSIST(!FIND_EVENTSENT(find)); - - ev = &find->event; - task = ev->ev_sender; - ev->ev_sender = find; - find->result_v4 = find_err_map[name->fetch_err]; - find->result_v6 = find_err_map[name->fetch6_err]; - ev->ev_type = evtype; - ev->ev_destroy = event_free; - ev->ev_destroy_arg = find; - - DP(DEF_LEVEL, - "sending event %p to task %p for find %p", - ev, task, find); - - isc_task_sendanddetach(&task, (isc_event_t **)&ev); - } else { - DP(DEF_LEVEL, "cfan: skipping find %p", find); - } - - UNLOCK(&find->lock); - find = next_find; - } - - DP(ENTER_LEVEL, "EXIT clean_finds_at_name, name %p", name); + isc_event_t *ev; + isc_task_t *task; + dns_adbfind_t *find; + dns_adbfind_t *next_find; + isc_boolean_t process; + unsigned int wanted, notify; + + DP(ENTER_LEVEL, + "ENTER clean_finds_at_name, name %p, evtype %08x, addrs %08x", + name, evtype, addrs); + + find = ISC_LIST_HEAD(name->finds); + while (find != NULL) { + LOCK(&find->lock); + next_find = ISC_LIST_NEXT(find, plink); + + process = ISC_FALSE; + wanted = find->flags & DNS_ADBFIND_ADDRESSMASK; + notify = wanted & addrs; + + switch (evtype) { + case DNS_EVENT_ADBMOREADDRESSES: + DP(ISC_LOG_DEBUG(3), "DNS_EVENT_ADBMOREADDRESSES"); + if ((notify) != 0) { + find->flags &= ~addrs; + process = ISC_TRUE; + } + break; + case DNS_EVENT_ADBNOMOREADDRESSES: + DP(ISC_LOG_DEBUG(3), "DNS_EVENT_ADBNOMOREADDRESSES"); + find->flags &= ~addrs; + wanted = find->flags & DNS_ADBFIND_ADDRESSMASK; + if (wanted == 0) + process = ISC_TRUE; + break; + default: + find->flags &= ~addrs; + process = ISC_TRUE; + } + + if (process) { + DP(DEF_LEVEL, "cfan: processing find %p", find); + /* + * Unlink the find from the name, letting the caller + * call dns_adb_destroyfind() on it to clean it up + * later. + */ + ISC_LIST_UNLINK(name->finds, find, plink); + find->adbname = NULL; + find->name_bucket = DNS_ADB_INVALIDBUCKET; + + INSIST(!FIND_EVENTSENT(find)); + + ev = &find->event; + task = ev->ev_sender; + ev->ev_sender = find; + find->result_v4 = find_err_map[name->fetch_err]; + find->result_v6 = find_err_map[name->fetch6_err]; + ev->ev_type = evtype; + ev->ev_destroy = event_free; + ev->ev_destroy_arg = find; + + DP(DEF_LEVEL, + "sending event %p to task %p for find %p", + ev, task, find); + + isc_task_sendanddetach(&task, (isc_event_t **)&ev); + } else { + DP(DEF_LEVEL, "cfan: skipping find %p", find); + } + + UNLOCK(&find->lock); + find = next_find; + } + + DP(ENTER_LEVEL, "EXIT clean_finds_at_name, name %p", name); } static inline void check_exit(dns_adb_t *adb) { - isc_event_t *event; - /* - * The caller must be holding the adb lock. - */ - if (adb->shutting_down) { - /* - * If there aren't any external references either, we're - * done. Send the control event to initiate shutdown. - */ - INSIST(!adb->cevent_sent); /* Sanity check. */ - event = &adb->cevent; - isc_task_send(adb->task, &event); - adb->cevent_sent = ISC_TRUE; - } + isc_event_t *event; + /* + * The caller must be holding the adb lock. + */ + if (adb->shutting_down) { + /* + * If there aren't any external references either, we're + * done. Send the control event to initiate shutdown. + */ + INSIST(!adb->cevent_sent); /* Sanity check. */ + event = &adb->cevent; + isc_task_send(adb->task, &event); + adb->cevent_sent = ISC_TRUE; + } } static inline isc_boolean_t dec_adb_irefcnt(dns_adb_t *adb) { - isc_event_t *event; - isc_task_t *etask; - isc_boolean_t result = ISC_FALSE; + isc_event_t *event; + isc_task_t *etask; + isc_boolean_t result = ISC_FALSE; - LOCK(&adb->reflock); + LOCK(&adb->reflock); - INSIST(adb->irefcnt > 0); - adb->irefcnt--; + INSIST(adb->irefcnt > 0); + adb->irefcnt--; - if (adb->irefcnt == 0) { - event = ISC_LIST_HEAD(adb->whenshutdown); - while (event != NULL) { - ISC_LIST_UNLINK(adb->whenshutdown, event, ev_link); - etask = event->ev_sender; - event->ev_sender = adb; - isc_task_sendanddetach(&etask, &event); - event = ISC_LIST_HEAD(adb->whenshutdown); - } - } + if (adb->irefcnt == 0) { + event = ISC_LIST_HEAD(adb->whenshutdown); + while (event != NULL) { + ISC_LIST_UNLINK(adb->whenshutdown, event, ev_link); + etask = event->ev_sender; + event->ev_sender = adb; + isc_task_sendanddetach(&etask, &event); + event = ISC_LIST_HEAD(adb->whenshutdown); + } + } - if (adb->irefcnt == 0 && adb->erefcnt == 0) - result = ISC_TRUE; - UNLOCK(&adb->reflock); - return (result); + if (adb->irefcnt == 0 && adb->erefcnt == 0) + result = ISC_TRUE; + UNLOCK(&adb->reflock); + return (result); } static inline void inc_adb_irefcnt(dns_adb_t *adb) { - LOCK(&adb->reflock); - adb->irefcnt++; - UNLOCK(&adb->reflock); + LOCK(&adb->reflock); + adb->irefcnt++; + UNLOCK(&adb->reflock); } static inline void inc_adb_erefcnt(dns_adb_t *adb) { - LOCK(&adb->reflock); - adb->erefcnt++; - UNLOCK(&adb->reflock); + LOCK(&adb->reflock); + adb->erefcnt++; + UNLOCK(&adb->reflock); } static inline void inc_entry_refcnt(dns_adb_t *adb, dns_adbentry_t *entry, isc_boolean_t lock) { - int bucket; + int bucket; - bucket = entry->lock_bucket; + bucket = entry->lock_bucket; - if (lock) - LOCK(&adb->entrylocks[bucket]); + if (lock) + LOCK(&adb->entrylocks[bucket]); - entry->refcnt++; + entry->refcnt++; - if (lock) - UNLOCK(&adb->entrylocks[bucket]); + if (lock) + UNLOCK(&adb->entrylocks[bucket]); } static inline isc_boolean_t dec_entry_refcnt(dns_adb_t *adb, dns_adbentry_t *entry, isc_boolean_t lock) { - int bucket; - isc_boolean_t destroy_entry; - isc_boolean_t result = ISC_FALSE; + int bucket; + isc_boolean_t destroy_entry; + isc_boolean_t result = ISC_FALSE; - bucket = entry->lock_bucket; + bucket = entry->lock_bucket; - if (lock) - LOCK(&adb->entrylocks[bucket]); + if (lock) + LOCK(&adb->entrylocks[bucket]); - INSIST(entry->refcnt > 0); - entry->refcnt--; + INSIST(entry->refcnt > 0); + entry->refcnt--; - destroy_entry = ISC_FALSE; - if (entry->refcnt == 0 && - (adb->entry_sd[bucket] || entry->expires == 0)) { - destroy_entry = ISC_TRUE; - result = unlink_entry(adb, entry); - } + destroy_entry = ISC_FALSE; + if (entry->refcnt == 0 && + (adb->entry_sd[bucket] || entry->expires == 0)) { + destroy_entry = ISC_TRUE; + result = unlink_entry(adb, entry); + } - if (lock) - UNLOCK(&adb->entrylocks[bucket]); + if (lock) + UNLOCK(&adb->entrylocks[bucket]); - if (!destroy_entry) - return (result); + if (!destroy_entry) + return (result); - entry->lock_bucket = DNS_ADB_INVALIDBUCKET; + entry->lock_bucket = DNS_ADB_INVALIDBUCKET; - free_adbentry(adb, &entry); - if (result) - result =dec_adb_irefcnt(adb); + free_adbentry(adb, &entry); + if (result) + result = dec_adb_irefcnt(adb); - return (result); + return (result); } static inline dns_adbname_t * new_adbname(dns_adb_t *adb, dns_name_t *dnsname) { - dns_adbname_t *name; - - name = isc_mempool_get(adb->nmp); - if (name == NULL) - return (NULL); - - dns_name_init(&name->name, NULL); - if (dns_name_dup(dnsname, adb->mctx, &name->name) != ISC_R_SUCCESS) { - isc_mempool_put(adb->nmp, name); - return (NULL); - } - dns_name_init(&name->target, NULL); - name->magic = DNS_ADBNAME_MAGIC; - name->adb = adb; - name->partial_result = 0; - name->flags = 0; - name->expire_v4 = INT_MAX; - name->expire_v6 = INT_MAX; - name->expire_target = INT_MAX; - name->chains = 0; - name->lock_bucket = DNS_ADB_INVALIDBUCKET; - ISC_LIST_INIT(name->v4); - ISC_LIST_INIT(name->v6); - name->fetch_a = NULL; - name->fetch_aaaa = NULL; - name->fetch_err = FIND_ERR_UNEXPECTED; - name->fetch6_err = FIND_ERR_UNEXPECTED; - ISC_LIST_INIT(name->finds); - ISC_LINK_INIT(name, plink); - - return (name); + dns_adbname_t *name; + + name = isc_mempool_get(adb->nmp); + if (name == NULL) + return (NULL); + + dns_name_init(&name->name, NULL); + if (dns_name_dup(dnsname, adb->mctx, &name->name) != ISC_R_SUCCESS) { + isc_mempool_put(adb->nmp, name); + return (NULL); + } + dns_name_init(&name->target, NULL); + name->magic = DNS_ADBNAME_MAGIC; + name->adb = adb; + name->partial_result = 0; + name->flags = 0; + name->expire_v4 = INT_MAX; + name->expire_v6 = INT_MAX; + name->expire_target = INT_MAX; + name->chains = 0; + name->lock_bucket = DNS_ADB_INVALIDBUCKET; + ISC_LIST_INIT(name->v4); + ISC_LIST_INIT(name->v6); + name->fetch_a = NULL; + name->fetch_aaaa = NULL; + name->fetch_err = FIND_ERR_UNEXPECTED; + name->fetch6_err = FIND_ERR_UNEXPECTED; + ISC_LIST_INIT(name->finds); + ISC_LINK_INIT(name, plink); + + return (name); } static inline void free_adbname(dns_adb_t *adb, dns_adbname_t **name) { - dns_adbname_t *n; - - INSIST(name != NULL && DNS_ADBNAME_VALID(*name)); - n = *name; - *name = NULL; - - INSIST(!NAME_HAS_V4(n)); - INSIST(!NAME_HAS_V6(n)); - INSIST(!NAME_FETCH(n)); - INSIST(ISC_LIST_EMPTY(n->finds)); - INSIST(!ISC_LINK_LINKED(n, plink)); - INSIST(n->lock_bucket == DNS_ADB_INVALIDBUCKET); - INSIST(n->adb == adb); - -#ifdef LRU_DEBUG - adb->nname--; /* XXX: omit ADB lock for brevity */ - INSIST((int)adb->nname >= 0); -#endif + dns_adbname_t *n; + + INSIST(name != NULL && DNS_ADBNAME_VALID(*name)); + n = *name; + *name = NULL; + + INSIST(!NAME_HAS_V4(n)); + INSIST(!NAME_HAS_V6(n)); + INSIST(!NAME_FETCH(n)); + INSIST(ISC_LIST_EMPTY(n->finds)); + INSIST(!ISC_LINK_LINKED(n, plink)); + INSIST(n->lock_bucket == DNS_ADB_INVALIDBUCKET); + INSIST(n->adb == adb); - n->magic = 0; - dns_name_free(&n->name, adb->mctx); + n->magic = 0; + dns_name_free(&n->name, adb->mctx); - isc_mempool_put(adb->nmp, n); + isc_mempool_put(adb->nmp, n); } static inline dns_adbnamehook_t * new_adbnamehook(dns_adb_t *adb, dns_adbentry_t *entry) { - dns_adbnamehook_t *nh; + dns_adbnamehook_t *nh; - nh = isc_mempool_get(adb->nhmp); - if (nh == NULL) - return (NULL); + nh = isc_mempool_get(adb->nhmp); + if (nh == NULL) + return (NULL); - nh->magic = DNS_ADBNAMEHOOK_MAGIC; - nh->entry = entry; - ISC_LINK_INIT(nh, plink); + nh->magic = DNS_ADBNAMEHOOK_MAGIC; + nh->entry = entry; + ISC_LINK_INIT(nh, plink); - return (nh); + return (nh); } static inline void free_adbnamehook(dns_adb_t *adb, dns_adbnamehook_t **namehook) { - dns_adbnamehook_t *nh; + dns_adbnamehook_t *nh; - INSIST(namehook != NULL && DNS_ADBNAMEHOOK_VALID(*namehook)); - nh = *namehook; - *namehook = NULL; + INSIST(namehook != NULL && DNS_ADBNAMEHOOK_VALID(*namehook)); + nh = *namehook; + *namehook = NULL; - INSIST(nh->entry == NULL); - INSIST(!ISC_LINK_LINKED(nh, plink)); + INSIST(nh->entry == NULL); + INSIST(!ISC_LINK_LINKED(nh, plink)); - nh->magic = 0; - isc_mempool_put(adb->nhmp, nh); + nh->magic = 0; + isc_mempool_put(adb->nhmp, nh); } static inline dns_adblameinfo_t * new_adblameinfo(dns_adb_t *adb, dns_name_t *qname, dns_rdatatype_t qtype) { - dns_adblameinfo_t *li; + dns_adblameinfo_t *li; - li = isc_mempool_get(adb->limp); - if (li == NULL) - return (NULL); + li = isc_mempool_get(adb->limp); + if (li == NULL) + return (NULL); - dns_name_init(&li->qname, NULL); - if (dns_name_dup(qname, adb->mctx, &li->qname) != ISC_R_SUCCESS) { - isc_mempool_put(adb->limp, li); - return (NULL); - } - li->magic = DNS_ADBLAMEINFO_MAGIC; - li->lame_timer = 0; - li->qtype = qtype; - ISC_LINK_INIT(li, plink); + dns_name_init(&li->qname, NULL); + if (dns_name_dup(qname, adb->mctx, &li->qname) != ISC_R_SUCCESS) { + isc_mempool_put(adb->limp, li); + return (NULL); + } + li->magic = DNS_ADBLAMEINFO_MAGIC; + li->lame_timer = 0; + li->qtype = qtype; + ISC_LINK_INIT(li, plink); - return (li); + return (li); } static inline void free_adblameinfo(dns_adb_t *adb, dns_adblameinfo_t **lameinfo) { - dns_adblameinfo_t *li; + dns_adblameinfo_t *li; - INSIST(lameinfo != NULL && DNS_ADBLAMEINFO_VALID(*lameinfo)); - li = *lameinfo; - *lameinfo = NULL; + INSIST(lameinfo != NULL && DNS_ADBLAMEINFO_VALID(*lameinfo)); + li = *lameinfo; + *lameinfo = NULL; - INSIST(!ISC_LINK_LINKED(li, plink)); + INSIST(!ISC_LINK_LINKED(li, plink)); - dns_name_free(&li->qname, adb->mctx); + dns_name_free(&li->qname, adb->mctx); - li->magic = 0; + li->magic = 0; - isc_mempool_put(adb->limp, li); + isc_mempool_put(adb->limp, li); } static inline dns_adbentry_t * new_adbentry(dns_adb_t *adb) { - dns_adbentry_t *e; - isc_uint32_t r; - - e = isc_mempool_get(adb->emp); - if (e == NULL) - return (NULL); - - e->magic = DNS_ADBENTRY_MAGIC; - e->lock_bucket = DNS_ADB_INVALIDBUCKET; - e->refcnt = 0; - e->flags = 0; - isc_random_get(&r); - e->srtt = (r & 0x1f) + 1; - e->expires = 0; - ISC_LIST_INIT(e->lameinfo); - ISC_LINK_INIT(e, plink); - -#ifdef LRU_DEBUG - adb->nentry++; /* XXX: omit ADB lock for brevity */ - adb->nentry_total++; -#endif + dns_adbentry_t *e; + isc_uint32_t r; + + e = isc_mempool_get(adb->emp); + if (e == NULL) + return (NULL); - return (e); + e->magic = DNS_ADBENTRY_MAGIC; + e->lock_bucket = DNS_ADB_INVALIDBUCKET; + e->refcnt = 0; + e->flags = 0; + isc_random_get(&r); + e->srtt = (r & 0x1f) + 1; + e->expires = 0; + ISC_LIST_INIT(e->lameinfo); + ISC_LINK_INIT(e, plink); + + return (e); } static inline void free_adbentry(dns_adb_t *adb, dns_adbentry_t **entry) { - dns_adbentry_t *e; - dns_adblameinfo_t *li; - - INSIST(entry != NULL && DNS_ADBENTRY_VALID(*entry)); - e = *entry; - *entry = NULL; + dns_adbentry_t *e; + dns_adblameinfo_t *li; - INSIST(e->lock_bucket == DNS_ADB_INVALIDBUCKET); - INSIST(e->refcnt == 0); - INSIST(!ISC_LINK_LINKED(e, plink)); + INSIST(entry != NULL && DNS_ADBENTRY_VALID(*entry)); + e = *entry; + *entry = NULL; - e->magic = 0; + INSIST(e->lock_bucket == DNS_ADB_INVALIDBUCKET); + INSIST(e->refcnt == 0); + INSIST(!ISC_LINK_LINKED(e, plink)); - li = ISC_LIST_HEAD(e->lameinfo); - while (li != NULL) { - ISC_LIST_UNLINK(e->lameinfo, li, plink); - free_adblameinfo(adb, &li); - li = ISC_LIST_HEAD(e->lameinfo); - } + e->magic = 0; -#ifdef LRU_DEBUG - adb->nentry--; /* XXX: omit ADB lock for brevity */ - INSIST((int)adb->nentry >= 0); -#endif + li = ISC_LIST_HEAD(e->lameinfo); + while (li != NULL) { + ISC_LIST_UNLINK(e->lameinfo, li, plink); + free_adblameinfo(adb, &li); + li = ISC_LIST_HEAD(e->lameinfo); + } - isc_mempool_put(adb->emp, e); + isc_mempool_put(adb->emp, e); } static inline dns_adbfind_t * new_adbfind(dns_adb_t *adb) { - dns_adbfind_t *h; - isc_result_t result; - - h = isc_mempool_get(adb->ahmp); - if (h == NULL) - return (NULL); - - /* - * Public members. - */ - h->magic = 0; - h->adb = adb; - h->partial_result = 0; - h->options = 0; - h->flags = 0; - h->result_v4 = ISC_R_UNEXPECTED; - h->result_v6 = ISC_R_UNEXPECTED; - ISC_LINK_INIT(h, publink); - ISC_LINK_INIT(h, plink); - ISC_LIST_INIT(h->list); - h->adbname = NULL; - h->name_bucket = DNS_ADB_INVALIDBUCKET; - - /* - * private members - */ - result = isc_mutex_init(&h->lock); - if (result != ISC_R_SUCCESS) { - isc_mempool_put(adb->ahmp, h); - return (NULL); - } - - ISC_EVENT_INIT(&h->event, sizeof(isc_event_t), 0, 0, 0, NULL, NULL, - NULL, NULL, h); - - inc_adb_irefcnt(adb); - h->magic = DNS_ADBFIND_MAGIC; - return (h); + dns_adbfind_t *h; + isc_result_t result; + + h = isc_mempool_get(adb->ahmp); + if (h == NULL) + return (NULL); + + /* + * Public members. + */ + h->magic = 0; + h->adb = adb; + h->partial_result = 0; + h->options = 0; + h->flags = 0; + h->result_v4 = ISC_R_UNEXPECTED; + h->result_v6 = ISC_R_UNEXPECTED; + ISC_LINK_INIT(h, publink); + ISC_LINK_INIT(h, plink); + ISC_LIST_INIT(h->list); + h->adbname = NULL; + h->name_bucket = DNS_ADB_INVALIDBUCKET; + + /* + * private members + */ + result = isc_mutex_init(&h->lock); + if (result != ISC_R_SUCCESS) { + isc_mempool_put(adb->ahmp, h); + return (NULL); + } + + ISC_EVENT_INIT(&h->event, sizeof(isc_event_t), 0, 0, 0, NULL, NULL, + NULL, NULL, h); + + inc_adb_irefcnt(adb); + h->magic = DNS_ADBFIND_MAGIC; + return (h); } static inline dns_adbfetch_t * new_adbfetch(dns_adb_t *adb) { - dns_adbfetch_t *f; + dns_adbfetch_t *f; - f = isc_mempool_get(adb->afmp); - if (f == NULL) - return (NULL); + f = isc_mempool_get(adb->afmp); + if (f == NULL) + return (NULL); - f->magic = 0; - f->namehook = NULL; - f->entry = NULL; - f->fetch = NULL; + f->magic = 0; + f->namehook = NULL; + f->entry = NULL; + f->fetch = NULL; - f->namehook = new_adbnamehook(adb, NULL); - if (f->namehook == NULL) - goto err; + f->namehook = new_adbnamehook(adb, NULL); + if (f->namehook == NULL) + goto err; - f->entry = new_adbentry(adb); - if (f->entry == NULL) - goto err; + f->entry = new_adbentry(adb); + if (f->entry == NULL) + goto err; - dns_rdataset_init(&f->rdataset); + dns_rdataset_init(&f->rdataset); - f->magic = DNS_ADBFETCH_MAGIC; + f->magic = DNS_ADBFETCH_MAGIC; - return (f); + return (f); err: - if (f->namehook != NULL) - free_adbnamehook(adb, &f->namehook); - if (f->entry != NULL) - free_adbentry(adb, &f->entry); - isc_mempool_put(adb->afmp, f); - return (NULL); + if (f->namehook != NULL) + free_adbnamehook(adb, &f->namehook); + if (f->entry != NULL) + free_adbentry(adb, &f->entry); + isc_mempool_put(adb->afmp, f); + return (NULL); } static inline void free_adbfetch(dns_adb_t *adb, dns_adbfetch_t **fetch) { - dns_adbfetch_t *f; + dns_adbfetch_t *f; - INSIST(fetch != NULL && DNS_ADBFETCH_VALID(*fetch)); - f = *fetch; - *fetch = NULL; + INSIST(fetch != NULL && DNS_ADBFETCH_VALID(*fetch)); + f = *fetch; + *fetch = NULL; - f->magic = 0; + f->magic = 0; - if (f->namehook != NULL) - free_adbnamehook(adb, &f->namehook); - if (f->entry != NULL) - free_adbentry(adb, &f->entry); + if (f->namehook != NULL) + free_adbnamehook(adb, &f->namehook); + if (f->entry != NULL) + free_adbentry(adb, &f->entry); - if (dns_rdataset_isassociated(&f->rdataset)) - dns_rdataset_disassociate(&f->rdataset); + if (dns_rdataset_isassociated(&f->rdataset)) + dns_rdataset_disassociate(&f->rdataset); - isc_mempool_put(adb->afmp, f); + isc_mempool_put(adb->afmp, f); } static inline isc_boolean_t free_adbfind(dns_adb_t *adb, dns_adbfind_t **findp) { - dns_adbfind_t *find; + dns_adbfind_t *find; - INSIST(findp != NULL && DNS_ADBFIND_VALID(*findp)); - find = *findp; - *findp = NULL; + INSIST(findp != NULL && DNS_ADBFIND_VALID(*findp)); + find = *findp; + *findp = NULL; - INSIST(!FIND_HAS_ADDRS(find)); - INSIST(!ISC_LINK_LINKED(find, publink)); - INSIST(!ISC_LINK_LINKED(find, plink)); - INSIST(find->name_bucket == DNS_ADB_INVALIDBUCKET); - INSIST(find->adbname == NULL); + INSIST(!FIND_HAS_ADDRS(find)); + INSIST(!ISC_LINK_LINKED(find, publink)); + INSIST(!ISC_LINK_LINKED(find, plink)); + INSIST(find->name_bucket == DNS_ADB_INVALIDBUCKET); + INSIST(find->adbname == NULL); - find->magic = 0; + find->magic = 0; - DESTROYLOCK(&find->lock); - isc_mempool_put(adb->ahmp, find); - return (dec_adb_irefcnt(adb)); + DESTROYLOCK(&find->lock); + isc_mempool_put(adb->ahmp, find); + return (dec_adb_irefcnt(adb)); } /* @@ -1585,41 +1538,37 @@ free_adbfind(dns_adb_t *adb, dns_adbfind_t **findp) { */ static inline dns_adbaddrinfo_t * new_adbaddrinfo(dns_adb_t *adb, dns_adbentry_t *entry, in_port_t port) { - dns_adbaddrinfo_t *ai; - - ai = isc_mempool_get(adb->aimp); - if (ai == NULL) - return (NULL); - - ai->magic = DNS_ADBADDRINFO_MAGIC; - ai->sockaddr = entry->sockaddr; - isc_sockaddr_setport(&ai->sockaddr, port); - ai->srtt = entry->srtt; - ai->flags = entry->flags; - ai->entry = entry; - ISC_LINK_INIT(ai, publink); - -#ifdef LRU_DEBUG - adb->entryuses++; /* for debug */ -#endif + dns_adbaddrinfo_t *ai; + + ai = isc_mempool_get(adb->aimp); + if (ai == NULL) + return (NULL); + + ai->magic = DNS_ADBADDRINFO_MAGIC; + ai->sockaddr = entry->sockaddr; + isc_sockaddr_setport(&ai->sockaddr, port); + ai->srtt = entry->srtt; + ai->flags = entry->flags; + ai->entry = entry; + ISC_LINK_INIT(ai, publink); - return (ai); + return (ai); } static inline void free_adbaddrinfo(dns_adb_t *adb, dns_adbaddrinfo_t **ainfo) { - dns_adbaddrinfo_t *ai; + dns_adbaddrinfo_t *ai; - INSIST(ainfo != NULL && DNS_ADBADDRINFO_VALID(*ainfo)); - ai = *ainfo; - *ainfo = NULL; + INSIST(ainfo != NULL && DNS_ADBADDRINFO_VALID(*ainfo)); + ai = *ainfo; + *ainfo = NULL; - INSIST(ai->entry == NULL); - INSIST(!ISC_LINK_LINKED(ai, publink)); + INSIST(ai->entry == NULL); + INSIST(!ISC_LINK_LINKED(ai, publink)); - ai->magic = 0; + ai->magic = 0; - isc_mempool_put(adb->aimp, ai); + isc_mempool_put(adb->aimp, ai); } /* @@ -1631,34 +1580,34 @@ free_adbaddrinfo(dns_adb_t *adb, dns_adbaddrinfo_t **ainfo) { */ static inline dns_adbname_t * find_name_and_lock(dns_adb_t *adb, dns_name_t *name, - unsigned int options, int *bucketp) + unsigned int options, int *bucketp) { - dns_adbname_t *adbname; - int bucket; - - bucket = dns_name_fullhash(name, ISC_FALSE) % NBUCKETS; - - if (*bucketp == DNS_ADB_INVALIDBUCKET) { - LOCK(&adb->namelocks[bucket]); - *bucketp = bucket; - } else if (*bucketp != bucket) { - UNLOCK(&adb->namelocks[*bucketp]); - LOCK(&adb->namelocks[bucket]); - *bucketp = bucket; - } - - adbname = ISC_LIST_HEAD(adb->names[bucket]); - while (adbname != NULL) { - if (!NAME_DEAD(adbname)) { - if (dns_name_equal(name, &adbname->name) - && GLUEHINT_OK(adbname, options) - && STARTATZONE_MATCHES(adbname, options)) - return (adbname); - } - adbname = ISC_LIST_NEXT(adbname, plink); - } - - return (NULL); + dns_adbname_t *adbname; + int bucket; + + bucket = dns_name_fullhash(name, ISC_FALSE) % NBUCKETS; + + if (*bucketp == DNS_ADB_INVALIDBUCKET) { + LOCK(&adb->namelocks[bucket]); + *bucketp = bucket; + } else if (*bucketp != bucket) { + UNLOCK(&adb->namelocks[*bucketp]); + LOCK(&adb->namelocks[bucket]); + *bucketp = bucket; + } + + adbname = ISC_LIST_HEAD(adb->names[bucket]); + while (adbname != NULL) { + if (!NAME_DEAD(adbname)) { + if (dns_name_equal(name, &adbname->name) + && GLUEHINT_OK(adbname, options) + && STARTATZONE_MATCHES(adbname, options)) + return (adbname); + } + adbname = ISC_LIST_NEXT(adbname, plink); + } + + return (NULL); } /* @@ -1673,28 +1622,28 @@ find_name_and_lock(dns_adb_t *adb, dns_name_t *name, */ static inline dns_adbentry_t * find_entry_and_lock(dns_adb_t *adb, isc_sockaddr_t *addr, int *bucketp) { - dns_adbentry_t *entry; - int bucket; + dns_adbentry_t *entry; + int bucket; - bucket = isc_sockaddr_hash(addr, ISC_TRUE) % NBUCKETS; + bucket = isc_sockaddr_hash(addr, ISC_TRUE) % NBUCKETS; - if (*bucketp == DNS_ADB_INVALIDBUCKET) { - LOCK(&adb->entrylocks[bucket]); - *bucketp = bucket; - } else if (*bucketp != bucket) { - UNLOCK(&adb->entrylocks[*bucketp]); - LOCK(&adb->entrylocks[bucket]); - *bucketp = bucket; - } + if (*bucketp == DNS_ADB_INVALIDBUCKET) { + LOCK(&adb->entrylocks[bucket]); + *bucketp = bucket; + } else if (*bucketp != bucket) { + UNLOCK(&adb->entrylocks[*bucketp]); + LOCK(&adb->entrylocks[bucket]); + *bucketp = bucket; + } - entry = ISC_LIST_HEAD(adb->entries[bucket]); - while (entry != NULL) { - if (isc_sockaddr_equal(addr, &entry->sockaddr)) - return (entry); - entry = ISC_LIST_NEXT(entry, plink); - } + entry = ISC_LIST_HEAD(adb->entries[bucket]); + while (entry != NULL) { + if (isc_sockaddr_equal(addr, &entry->sockaddr)) + return (entry); + entry = ISC_LIST_NEXT(entry, plink); + } - return (NULL); + return (NULL); } /* @@ -1702,140 +1651,133 @@ find_entry_and_lock(dns_adb_t *adb, isc_sockaddr_t *addr, int *bucketp) { */ static isc_boolean_t entry_is_lame(dns_adb_t *adb, dns_adbentry_t *entry, dns_name_t *qname, - dns_rdatatype_t qtype, isc_stdtime_t now) + dns_rdatatype_t qtype, isc_stdtime_t now) { - dns_adblameinfo_t *li, *next_li; - isc_boolean_t is_bad; + dns_adblameinfo_t *li, *next_li; + isc_boolean_t is_bad; - is_bad = ISC_FALSE; + is_bad = ISC_FALSE; - li = ISC_LIST_HEAD(entry->lameinfo); - if (li == NULL) - return (ISC_FALSE); - while (li != NULL) { - next_li = ISC_LIST_NEXT(li, plink); + li = ISC_LIST_HEAD(entry->lameinfo); + if (li == NULL) + return (ISC_FALSE); + while (li != NULL) { + next_li = ISC_LIST_NEXT(li, plink); - /* - * Has the entry expired? - */ - if (li->lame_timer < now) { - ISC_LIST_UNLINK(entry->lameinfo, li, plink); - free_adblameinfo(adb, &li); - } + /* + * Has the entry expired? + */ + if (li->lame_timer < now) { + ISC_LIST_UNLINK(entry->lameinfo, li, plink); + free_adblameinfo(adb, &li); + } - /* - * Order tests from least to most expensive. - * - * We do not break out of the main loop here as - * we use the loop for house keeping. - */ - if (li != NULL && !is_bad && li->qtype == qtype && - dns_name_equal(qname, &li->qname)) - is_bad = ISC_TRUE; + /* + * Order tests from least to most expensive. + * + * We do not break out of the main loop here as + * we use the loop for house keeping. + */ + if (li != NULL && !is_bad && li->qtype == qtype && + dns_name_equal(qname, &li->qname)) + is_bad = ISC_TRUE; - li = next_li; - } + li = next_li; + } - return (is_bad); + return (is_bad); } static void copy_namehook_lists(dns_adb_t *adb, dns_adbfind_t *find, dns_name_t *qname, - dns_rdatatype_t qtype, dns_adbname_t *name, - isc_stdtime_t now) + dns_rdatatype_t qtype, dns_adbname_t *name, + isc_stdtime_t now) { - dns_adbnamehook_t *namehook; - dns_adbaddrinfo_t *addrinfo; - dns_adbentry_t *entry; - int bucket; - - bucket = DNS_ADB_INVALIDBUCKET; - - if (find->options & DNS_ADBFIND_INET) { - namehook = ISC_LIST_HEAD(name->v4); - while (namehook != NULL) { - entry = namehook->entry; - bucket = entry->lock_bucket; - LOCK(&adb->entrylocks[bucket]); - - if (!FIND_RETURNLAME(find) - && entry_is_lame(adb, entry, qname, qtype, now)) { - find->options |= DNS_ADBFIND_LAMEPRUNED; - goto nextv4; - } - addrinfo = new_adbaddrinfo(adb, entry, find->port); - if (addrinfo == NULL) { - find->partial_result |= DNS_ADBFIND_INET; - goto out; - } - /* - * Found a valid entry. Add it to the find's list. - */ - inc_entry_refcnt(adb, entry, ISC_FALSE); - ISC_LIST_APPEND(find->list, addrinfo, publink); - addrinfo = NULL; - nextv4: - UNLOCK(&adb->entrylocks[bucket]); - bucket = DNS_ADB_INVALIDBUCKET; - namehook = ISC_LIST_NEXT(namehook, plink); - } - } - - if (find->options & DNS_ADBFIND_INET6) { - namehook = ISC_LIST_HEAD(name->v6); - while (namehook != NULL) { - entry = namehook->entry; - bucket = entry->lock_bucket; - LOCK(&adb->entrylocks[bucket]); - - if (entry_is_lame(adb, entry, qname, qtype, now)) - goto nextv6; - addrinfo = new_adbaddrinfo(adb, entry, find->port); - if (addrinfo == NULL) { - find->partial_result |= DNS_ADBFIND_INET6; - goto out; - } - /* - * Found a valid entry. Add it to the find's list. - */ - inc_entry_refcnt(adb, entry, ISC_FALSE); - ISC_LIST_APPEND(find->list, addrinfo, publink); - addrinfo = NULL; - nextv6: - UNLOCK(&adb->entrylocks[bucket]); - bucket = DNS_ADB_INVALIDBUCKET; - namehook = ISC_LIST_NEXT(namehook, plink); - } - } + dns_adbnamehook_t *namehook; + dns_adbaddrinfo_t *addrinfo; + dns_adbentry_t *entry; + int bucket; + + bucket = DNS_ADB_INVALIDBUCKET; + + if (find->options & DNS_ADBFIND_INET) { + namehook = ISC_LIST_HEAD(name->v4); + while (namehook != NULL) { + entry = namehook->entry; + bucket = entry->lock_bucket; + LOCK(&adb->entrylocks[bucket]); + + if (!FIND_RETURNLAME(find) + && entry_is_lame(adb, entry, qname, qtype, now)) { + find->options |= DNS_ADBFIND_LAMEPRUNED; + goto nextv4; + } + addrinfo = new_adbaddrinfo(adb, entry, find->port); + if (addrinfo == NULL) { + find->partial_result |= DNS_ADBFIND_INET; + goto out; + } + /* + * Found a valid entry. Add it to the find's list. + */ + inc_entry_refcnt(adb, entry, ISC_FALSE); + ISC_LIST_APPEND(find->list, addrinfo, publink); + addrinfo = NULL; + nextv4: + UNLOCK(&adb->entrylocks[bucket]); + bucket = DNS_ADB_INVALIDBUCKET; + namehook = ISC_LIST_NEXT(namehook, plink); + } + } + + if (find->options & DNS_ADBFIND_INET6) { + namehook = ISC_LIST_HEAD(name->v6); + while (namehook != NULL) { + entry = namehook->entry; + bucket = entry->lock_bucket; + LOCK(&adb->entrylocks[bucket]); + + if (entry_is_lame(adb, entry, qname, qtype, now)) + goto nextv6; + addrinfo = new_adbaddrinfo(adb, entry, find->port); + if (addrinfo == NULL) { + find->partial_result |= DNS_ADBFIND_INET6; + goto out; + } + /* + * Found a valid entry. Add it to the find's list. + */ + inc_entry_refcnt(adb, entry, ISC_FALSE); + ISC_LIST_APPEND(find->list, addrinfo, publink); + addrinfo = NULL; + nextv6: + UNLOCK(&adb->entrylocks[bucket]); + bucket = DNS_ADB_INVALIDBUCKET; + namehook = ISC_LIST_NEXT(namehook, plink); + } + } out: - if (bucket != DNS_ADB_INVALIDBUCKET) - UNLOCK(&adb->entrylocks[bucket]); + if (bucket != DNS_ADB_INVALIDBUCKET) + UNLOCK(&adb->entrylocks[bucket]); } static void shutdown_task(isc_task_t *task, isc_event_t *ev) { - dns_adb_t *adb; - - UNUSED(task); - - adb = ev->ev_arg; - INSIST(DNS_ADB_VALID(adb)); - - /* - * Kill the timer, and then the ADB itself. Note that this implies - * that this task was the one scheduled to get timer events. If - * this is not true (and it is unfortunate there is no way to INSIST() - * this) badness will occur. - */ - LOCK(&adb->lock); - isc_timer_detach(&adb->timer); -#ifdef LRU_DEBUG - isc_timer_detach(&adb->dump_timer); -#endif - UNLOCK(&adb->lock); - isc_event_free(&ev); - destroy(adb); + dns_adb_t *adb; + + UNUSED(task); + + adb = ev->ev_arg; + INSIST(DNS_ADB_VALID(adb)); + + isc_event_free(&ev); + /* + * Wait for lock around check_exit() call to be released. + */ + LOCK(&adb->lock); + UNLOCK(&adb->lock); + destroy(adb); } /* @@ -1843,34 +1785,34 @@ shutdown_task(isc_task_t *task, isc_event_t *ev) { */ static isc_boolean_t check_expire_name(dns_adbname_t **namep, isc_stdtime_t now) { - dns_adbname_t *name; - isc_boolean_t result = ISC_FALSE; - - INSIST(namep != NULL && DNS_ADBNAME_VALID(*namep)); - name = *namep; - - if (NAME_HAS_V4(name) || NAME_HAS_V6(name)) - return (result); - if (NAME_FETCH(name)) - return (result); - if (!EXPIRE_OK(name->expire_v4, now)) - return (result); - if (!EXPIRE_OK(name->expire_v6, now)) - return (result); - if (!EXPIRE_OK(name->expire_target, now)) - return (result); - - /* - * The name is empty. Delete it. - */ - result = kill_name(&name, DNS_EVENT_ADBEXPIRED, ISC_FALSE); - *namep = NULL; - - /* - * Our caller, or one of its callers, will be calling check_exit() at - * some point, so we don't need to do it here. - */ - return (result); + dns_adbname_t *name; + isc_boolean_t result = ISC_FALSE; + + INSIST(namep != NULL && DNS_ADBNAME_VALID(*namep)); + name = *namep; + + if (NAME_HAS_V4(name) || NAME_HAS_V6(name)) + return (result); + if (NAME_FETCH(name)) + return (result); + if (!EXPIRE_OK(name->expire_v4, now)) + return (result); + if (!EXPIRE_OK(name->expire_v6, now)) + return (result); + if (!EXPIRE_OK(name->expire_target, now)) + return (result); + + /* + * The name is empty. Delete it. + */ + result = kill_name(&name, DNS_EVENT_ADBEXPIRED, ISC_FALSE); + *namep = NULL; + + /* + * Our caller, or one of its callers, will be calling check_exit() at + * some point, so we don't need to do it here. + */ + return (result); } /*% @@ -1886,67 +1828,55 @@ check_expire_name(dns_adbname_t **namep, isc_stdtime_t now) { */ static void check_stale_name(dns_adb_t *adb, int bucket, isc_stdtime_t now) { - int victims, max_victims; - isc_boolean_t result; - dns_adbname_t *victim, *next_victim; - isc_boolean_t overmem = adb->overmem; - int scans = 0; - - INSIST(bucket != DNS_ADB_INVALIDBUCKET); - - max_victims = overmem ? 2 : 1; - - /* - * We limit the number of scanned entries to 10 (arbitrary choice) - * in order to avoid examining too many entries when there are many - * tail entries that have fetches (this should be rare, but could - * happen). - */ - victim = ISC_LIST_TAIL(adb->names[bucket]); - for (victims = 0; - victim != NULL && victims < max_victims && scans < 10; - victim = next_victim) { - scans++; - next_victim = ISC_LIST_PREV(victim, plink); - - /* - * If the victim is already dead, it simply waits for some - * final events. Ignore it. - */ - if (NAME_DEAD(victim)) - goto next; - - result = check_expire_name(&victim, now); - if (victim == NULL) { -#ifdef LRU_DEBUG - adb->stale_expire++; -#endif - victims++; - goto next; - } - - if (!NAME_FETCH(victim) && - (overmem || victim->last_used + ADB_STALE_MARGIN <= now)) { - RUNTIME_CHECK(kill_name(&victim, - DNS_EVENT_ADBCANCELED, - ISC_TRUE) == - ISC_FALSE); -#ifdef LRU_DEBUG - adb->stale_lru++; -#endif - victims++; - } - - next: - if (!overmem) - break; - } - -#ifdef LRU_DEBUG - /* XXX: omit lock for brevity */ - adb->stale_scan += scans; - adb->stale_purge += victims; -#endif + int victims, max_victims; + isc_boolean_t result; + dns_adbname_t *victim, *next_victim; + isc_boolean_t overmem = adb->overmem; + int scans = 0; + + INSIST(bucket != DNS_ADB_INVALIDBUCKET); + + max_victims = overmem ? 2 : 1; + + /* + * We limit the number of scanned entries to 10 (arbitrary choice) + * in order to avoid examining too many entries when there are many + * tail entries that have fetches (this should be rare, but could + * happen). + */ + victim = ISC_LIST_TAIL(adb->names[bucket]); + for (victims = 0; + victim != NULL && victims < max_victims && scans < 10; + victim = next_victim) { + scans++; + next_victim = ISC_LIST_PREV(victim, plink); + + /* + * If the victim is already dead, it simply waits for some + * final events. Ignore it. + */ + if (NAME_DEAD(victim)) + goto next; + + result = check_expire_name(&victim, now); + if (victim == NULL) { + victims++; + goto next; + } + + if (!NAME_FETCH(victim) && + (overmem || victim->last_used + ADB_STALE_MARGIN <= now)) { + RUNTIME_CHECK(kill_name(&victim, + DNS_EVENT_ADBCANCELED, + ISC_TRUE) == + ISC_FALSE); + victims++; + } + + next: + if (!overmem) + break; + } } /* @@ -1955,29 +1885,29 @@ check_stale_name(dns_adb_t *adb, int bucket, isc_stdtime_t now) { static isc_boolean_t check_expire_entry(dns_adb_t *adb, dns_adbentry_t **entryp, isc_stdtime_t now) { - dns_adbentry_t *entry; - isc_boolean_t result = ISC_FALSE; + dns_adbentry_t *entry; + isc_boolean_t result = ISC_FALSE; - INSIST(entryp != NULL && DNS_ADBENTRY_VALID(*entryp)); - entry = *entryp; + INSIST(entryp != NULL && DNS_ADBENTRY_VALID(*entryp)); + entry = *entryp; - if (entry->refcnt != 0) - return (result); + if (entry->refcnt != 0) + return (result); - if (entry->expires == 0 || entry->expires > now) - return (result); + if (entry->expires == 0 || entry->expires > now) + return (result); - /* - * The entry is not in use. Delete it. - */ - DP(DEF_LEVEL, "killing entry %p", entry); - INSIST(ISC_LINK_LINKED(entry, plink)); - result = unlink_entry(adb, entry); - free_adbentry(adb, &entry); - if (result) - dec_adb_irefcnt(adb); - *entryp = NULL; - return (result); + /* + * The entry is not in use. Delete it. + */ + DP(DEF_LEVEL, "killing entry %p", entry); + INSIST(ISC_LINK_LINKED(entry, plink)); + result = unlink_entry(adb, entry); + free_adbentry(adb, &entry); + if (result) + dec_adb_irefcnt(adb); + *entryp = NULL; + return (result); } /* @@ -1985,29 +1915,29 @@ check_expire_entry(dns_adb_t *adb, dns_adbentry_t **entryp, isc_stdtime_t now) */ static isc_boolean_t cleanup_names(dns_adb_t *adb, int bucket, isc_stdtime_t now) { - dns_adbname_t *name; - dns_adbname_t *next_name; - isc_boolean_t result = ISC_FALSE; - - DP(CLEAN_LEVEL, "cleaning name bucket %d", bucket); - - LOCK(&adb->namelocks[bucket]); - if (adb->name_sd[bucket]) { - UNLOCK(&adb->namelocks[bucket]); - return (result); - } - - name = ISC_LIST_HEAD(adb->names[bucket]); - while (name != NULL) { - next_name = ISC_LIST_NEXT(name, plink); - INSIST(result == ISC_FALSE); - result = check_expire_namehooks(name, now); - if (!result) - result = check_expire_name(&name, now); - name = next_name; - } - UNLOCK(&adb->namelocks[bucket]); - return (result); + dns_adbname_t *name; + dns_adbname_t *next_name; + isc_boolean_t result = ISC_FALSE; + + DP(CLEAN_LEVEL, "cleaning name bucket %d", bucket); + + LOCK(&adb->namelocks[bucket]); + if (adb->name_sd[bucket]) { + UNLOCK(&adb->namelocks[bucket]); + return (result); + } + + name = ISC_LIST_HEAD(adb->names[bucket]); + while (name != NULL) { + next_name = ISC_LIST_NEXT(name, plink); + INSIST(result == ISC_FALSE); + result = check_expire_namehooks(name, now); + if (!result) + result = check_expire_name(&name, now); + name = next_name; + } + UNLOCK(&adb->namelocks[bucket]); + return (result); } /* @@ -2015,131 +1945,46 @@ cleanup_names(dns_adb_t *adb, int bucket, isc_stdtime_t now) { */ static isc_boolean_t cleanup_entries(dns_adb_t *adb, int bucket, isc_stdtime_t now) { - dns_adbentry_t *entry, *next_entry; - isc_boolean_t result = ISC_FALSE; - - DP(CLEAN_LEVEL, "cleaning entry bucket %d", bucket); - - LOCK(&adb->entrylocks[bucket]); - entry = ISC_LIST_HEAD(adb->entries[bucket]); - while (entry != NULL) { - next_entry = ISC_LIST_NEXT(entry, plink); - INSIST(result == ISC_FALSE); - result = check_expire_entry(adb, &entry, now); - entry = next_entry; - } - UNLOCK(&adb->entrylocks[bucket]); - return (result); -} - -#if 1 -static void -timer_cleanup(isc_task_t *task, isc_event_t *ev) { - UNUSED(task); + dns_adbentry_t *entry, *next_entry; + isc_boolean_t result = ISC_FALSE; - isc_event_free(&ev); -} -#else -static void -timer_cleanup(isc_task_t *task, isc_event_t *ev) { - dns_adb_t *adb; - isc_stdtime_t now; - unsigned int i; - isc_interval_t interval; - - UNUSED(task); - - adb = ev->ev_arg; - INSIST(DNS_ADB_VALID(adb)); - - LOCK(&adb->lock); - - isc_stdtime_get(&now); - - for (i = 0; i < CLEAN_BUCKETS; i++) { - /* - * Call our cleanup routines. - */ - RUNTIME_CHECK(cleanup_names(adb, adb->next_cleanbucket, now) == - ISC_FALSE); - RUNTIME_CHECK(cleanup_entries(adb, adb->next_cleanbucket, now) - == ISC_FALSE); - - /* - * Set the next bucket to be cleaned. - */ - adb->next_cleanbucket++; - if (adb->next_cleanbucket >= NBUCKETS) { - adb->next_cleanbucket = 0; -#ifdef DUMP_ADB_AFTER_CLEANING - dump_adb(adb, stdout, ISC_TRUE, now); -#endif - } - } + DP(CLEAN_LEVEL, "cleaning entry bucket %d", bucket); - /* - * Reset the timer. - * XXXDCL isc_timer_reset might return ISC_R_UNEXPECTED or - * ISC_R_NOMEMORY, but it isn't clear what could be done here - * if either one of those things happened. - */ - interval = adb->tick_interval; - if (adb->overmem) - isc_interval_set(&interval, 0, 1); - (void)isc_timer_reset(adb->timer, isc_timertype_once, NULL, - &interval, ISC_FALSE); - - UNLOCK(&adb->lock); - - isc_event_free(&ev); + LOCK(&adb->entrylocks[bucket]); + entry = ISC_LIST_HEAD(adb->entries[bucket]); + while (entry != NULL) { + next_entry = ISC_LIST_NEXT(entry, plink); + INSIST(result == ISC_FALSE); + result = check_expire_entry(adb, &entry, now); + entry = next_entry; + } + UNLOCK(&adb->entrylocks[bucket]); + return (result); } -#endif static void destroy(dns_adb_t *adb) { - adb->magic = 0; - -#ifdef LRU_DEBUG - /* for debug: print statistics */ - if (adb->nname_total > 0) { - INSIST(adb->nname == 0 && adb->nentry == 0); - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_ADB, ISC_LOG_INFO, - "ADB %p name hit %.2f, entry hit %.2f", adb, - (double)adb->nameuses / - (adb->nname_total + adb->nameuses), - adb->entryuses > 0 ? - (double)adb->entryuses / - (adb->nentry_total + adb->entryuses) : 0); - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_ADB, ISC_LOG_INFO, - "ADB %p stale name purges: %u(%u,%u)/%u", - adb, adb->stale_purge, adb->stale_expire, - adb->stale_lru, adb->stale_scan); - } -#endif + adb->magic = 0; - /* - * The timer is already dead, from the task's shutdown callback. - */ - isc_task_detach(&adb->task); + isc_task_detach(&adb->task); - isc_mempool_destroy(&adb->nmp); - isc_mempool_destroy(&adb->nhmp); - isc_mempool_destroy(&adb->limp); - isc_mempool_destroy(&adb->emp); - isc_mempool_destroy(&adb->ahmp); - isc_mempool_destroy(&adb->aimp); - isc_mempool_destroy(&adb->afmp); + isc_mempool_destroy(&adb->nmp); + isc_mempool_destroy(&adb->nhmp); + isc_mempool_destroy(&adb->limp); + isc_mempool_destroy(&adb->emp); + isc_mempool_destroy(&adb->ahmp); + isc_mempool_destroy(&adb->aimp); + isc_mempool_destroy(&adb->afmp); - DESTROYMUTEXBLOCK(adb->entrylocks, NBUCKETS); - DESTROYMUTEXBLOCK(adb->namelocks, NBUCKETS); + DESTROYMUTEXBLOCK(adb->entrylocks, NBUCKETS); + DESTROYMUTEXBLOCK(adb->namelocks, NBUCKETS); - DESTROYLOCK(&adb->reflock); - DESTROYLOCK(&adb->lock); - DESTROYLOCK(&adb->mplock); + DESTROYLOCK(&adb->reflock); + DESTROYLOCK(&adb->lock); + DESTROYLOCK(&adb->mplock); + DESTROYLOCK(&adb->overmemlock); - isc_mem_putanddetach(&adb->mctx, adb, sizeof(dns_adb_t)); + isc_mem_putanddetach(&adb->mctx, adb, sizeof(dns_adb_t)); } @@ -2149,1393 +1994,1350 @@ destroy(dns_adb_t *adb) { isc_result_t dns_adb_create(isc_mem_t *mem, dns_view_t *view, isc_timermgr_t *timermgr, - isc_taskmgr_t *taskmgr, dns_adb_t **newadb) + isc_taskmgr_t *taskmgr, dns_adb_t **newadb) { - dns_adb_t *adb; - isc_result_t result; - int i; - - REQUIRE(mem != NULL); - REQUIRE(view != NULL); - REQUIRE(timermgr != NULL); - REQUIRE(taskmgr != NULL); - REQUIRE(newadb != NULL && *newadb == NULL); - - adb = isc_mem_get(mem, sizeof(dns_adb_t)); - if (adb == NULL) - return (ISC_R_NOMEMORY); - - /* - * Initialize things here that cannot fail, and especially things - * that must be NULL for the error return to work properly. - */ - adb->magic = 0; - adb->erefcnt = 1; - adb->irefcnt = 0; - adb->nmp = NULL; - adb->nhmp = NULL; - adb->limp = NULL; - adb->emp = NULL; - adb->ahmp = NULL; - adb->aimp = NULL; - adb->afmp = NULL; - adb->task = NULL; - adb->timer = NULL; -#ifdef LRU_DEBUG - adb->dump_timer = NULL; -#endif - adb->mctx = NULL; - adb->view = view; - adb->timermgr = timermgr; - adb->taskmgr = taskmgr; - adb->next_cleanbucket = 0; - ISC_EVENT_INIT(&adb->cevent, sizeof(adb->cevent), 0, NULL, - DNS_EVENT_ADBCONTROL, shutdown_task, adb, - adb, NULL, NULL); - adb->cevent_sent = ISC_FALSE; - adb->shutting_down = ISC_FALSE; - adb->overmem = ISC_FALSE; - ISC_LIST_INIT(adb->whenshutdown); - -#ifdef LRU_DEBUG - /* for debug */ - adb->nname = 0; - adb->nname_total = 0; - adb->nentry = 0; - adb->nentry_total = 0; - adb->stale_purge = 0; - adb->stale_scan = 0; - adb->stale_expire = 0; - adb->stale_lru = 0; - adb->nameuses = 0; - adb->entryuses = 0; -#endif - - isc_mem_attach(mem, &adb->mctx); - - result = isc_mutex_init(&adb->lock); - if (result != ISC_R_SUCCESS) - goto fail0b; - - result = isc_mutex_init(&adb->mplock); - if (result != ISC_R_SUCCESS) - goto fail0c; - - result = isc_mutex_init(&adb->reflock); - if (result != ISC_R_SUCCESS) - goto fail0d; - - /* - * Initialize the bucket locks for names and elements. - * May as well initialize the list heads, too. - */ - result = isc_mutexblock_init(adb->namelocks, NBUCKETS); - if (result != ISC_R_SUCCESS) - goto fail1; - for (i = 0; i < NBUCKETS; i++) { - ISC_LIST_INIT(adb->names[i]); - adb->name_sd[i] = ISC_FALSE; - adb->name_refcnt[i] = 0; - adb->irefcnt++; - } - for (i = 0; i < NBUCKETS; i++) { - ISC_LIST_INIT(adb->entries[i]); - adb->entry_sd[i] = ISC_FALSE; - adb->entry_refcnt[i] = 0; - adb->irefcnt++; - } - result = isc_mutexblock_init(adb->entrylocks, NBUCKETS); - if (result != ISC_R_SUCCESS) - goto fail2; - - /* - * Memory pools - */ + dns_adb_t *adb; + isc_result_t result; + int i; + + REQUIRE(mem != NULL); + REQUIRE(view != NULL); + REQUIRE(timermgr != NULL); /* this is actually unused */ + REQUIRE(taskmgr != NULL); + REQUIRE(newadb != NULL && *newadb == NULL); + + UNUSED(timermgr); + + adb = isc_mem_get(mem, sizeof(dns_adb_t)); + if (adb == NULL) + return (ISC_R_NOMEMORY); + + /* + * Initialize things here that cannot fail, and especially things + * that must be NULL for the error return to work properly. + */ + adb->magic = 0; + adb->erefcnt = 1; + adb->irefcnt = 0; + adb->nmp = NULL; + adb->nhmp = NULL; + adb->limp = NULL; + adb->emp = NULL; + adb->ahmp = NULL; + adb->aimp = NULL; + adb->afmp = NULL; + adb->task = NULL; + adb->mctx = NULL; + adb->view = view; + adb->taskmgr = taskmgr; + adb->next_cleanbucket = 0; + ISC_EVENT_INIT(&adb->cevent, sizeof(adb->cevent), 0, NULL, + DNS_EVENT_ADBCONTROL, shutdown_task, adb, + adb, NULL, NULL); + adb->cevent_sent = ISC_FALSE; + adb->shutting_down = ISC_FALSE; + adb->overmem = ISC_FALSE; + ISC_LIST_INIT(adb->whenshutdown); + + isc_mem_attach(mem, &adb->mctx); + + result = isc_mutex_init(&adb->lock); + if (result != ISC_R_SUCCESS) + goto fail0b; + + result = isc_mutex_init(&adb->mplock); + if (result != ISC_R_SUCCESS) + goto fail0c; + + result = isc_mutex_init(&adb->reflock); + if (result != ISC_R_SUCCESS) + goto fail0d; + + result = isc_mutex_init(&adb->overmemlock); + if (result != ISC_R_SUCCESS) + goto fail0e; + + /* + * Initialize the bucket locks for names and elements. + * May as well initialize the list heads, too. + */ + result = isc_mutexblock_init(adb->namelocks, NBUCKETS); + if (result != ISC_R_SUCCESS) + goto fail1; + for (i = 0; i < NBUCKETS; i++) { + ISC_LIST_INIT(adb->names[i]); + adb->name_sd[i] = ISC_FALSE; + adb->name_refcnt[i] = 0; + adb->irefcnt++; + } + for (i = 0; i < NBUCKETS; i++) { + ISC_LIST_INIT(adb->entries[i]); + adb->entry_sd[i] = ISC_FALSE; + adb->entry_refcnt[i] = 0; + adb->irefcnt++; + } + result = isc_mutexblock_init(adb->entrylocks, NBUCKETS); + if (result != ISC_R_SUCCESS) + goto fail2; + + /* + * Memory pools + */ #define MPINIT(t, p, n) do { \ - result = isc_mempool_create(mem, sizeof(t), &(p)); \ - if (result != ISC_R_SUCCESS) \ - goto fail3; \ - isc_mempool_setfreemax((p), FREE_ITEMS); \ - isc_mempool_setfillcount((p), FILL_COUNT); \ - isc_mempool_setname((p), n); \ - isc_mempool_associatelock((p), &adb->mplock); \ + result = isc_mempool_create(mem, sizeof(t), &(p)); \ + if (result != ISC_R_SUCCESS) \ + goto fail3; \ + isc_mempool_setfreemax((p), FREE_ITEMS); \ + isc_mempool_setfillcount((p), FILL_COUNT); \ + isc_mempool_setname((p), n); \ + isc_mempool_associatelock((p), &adb->mplock); \ } while (0) - MPINIT(dns_adbname_t, adb->nmp, "adbname"); - MPINIT(dns_adbnamehook_t, adb->nhmp, "adbnamehook"); - MPINIT(dns_adblameinfo_t, adb->limp, "adblameinfo"); - MPINIT(dns_adbentry_t, adb->emp, "adbentry"); - MPINIT(dns_adbfind_t, adb->ahmp, "adbfind"); - MPINIT(dns_adbaddrinfo_t, adb->aimp, "adbaddrinfo"); - MPINIT(dns_adbfetch_t, adb->afmp, "adbfetch"); + MPINIT(dns_adbname_t, adb->nmp, "adbname"); + MPINIT(dns_adbnamehook_t, adb->nhmp, "adbnamehook"); + MPINIT(dns_adblameinfo_t, adb->limp, "adblameinfo"); + MPINIT(dns_adbentry_t, adb->emp, "adbentry"); + MPINIT(dns_adbfind_t, adb->ahmp, "adbfind"); + MPINIT(dns_adbaddrinfo_t, adb->aimp, "adbaddrinfo"); + MPINIT(dns_adbfetch_t, adb->afmp, "adbfetch"); #undef MPINIT - /* - * Allocate a timer and a task for our periodic cleanup. - */ - result = isc_task_create(adb->taskmgr, 0, &adb->task); - if (result != ISC_R_SUCCESS) - goto fail3; - isc_task_setname(adb->task, "ADB", adb); - /* - * XXXMLG When this is changed to be a config file option, - */ - isc_interval_set(&adb->tick_interval, CLEAN_SECONDS, 0); - result = isc_timer_create(adb->timermgr, isc_timertype_once, - NULL, &adb->tick_interval, adb->task, - timer_cleanup, adb, &adb->timer); - if (result != ISC_R_SUCCESS) - goto fail3; - -#ifdef LRU_DEBUG - { - isc_interval_t interval; - - interval.seconds = DUMP_INTERVAL; - interval.nanoseconds = 0; - RUNTIME_CHECK(isc_time_nowplusinterval(&adb->dump_time, - &interval) == - ISC_R_SUCCESS); - - result = isc_timer_create(adb->timermgr, isc_timertype_once, - &adb->dump_time, NULL, adb->task, - timer_dump, adb, &adb->dump_timer); - } -#endif - - DP(ISC_LOG_DEBUG(5), "cleaning interval for adb: " - "%u buckets every %u seconds, %u buckets in system, %u cl.interval", - CLEAN_BUCKETS, CLEAN_SECONDS, NBUCKETS, CLEAN_PERIOD); - - /* - * Normal return. - */ - adb->magic = DNS_ADB_MAGIC; - *newadb = adb; - return (ISC_R_SUCCESS); + /* + * Allocate an internal task. + */ + result = isc_task_create(adb->taskmgr, 0, &adb->task); + if (result != ISC_R_SUCCESS) + goto fail3; + isc_task_setname(adb->task, "ADB", adb); + + /* + * Normal return. + */ + adb->magic = DNS_ADB_MAGIC; + *newadb = adb; + return (ISC_R_SUCCESS); fail3: - if (adb->task != NULL) - isc_task_detach(&adb->task); - if (adb->timer != NULL) - isc_timer_detach(&adb->timer); + if (adb->task != NULL) + isc_task_detach(&adb->task); - /* clean up entrylocks */ - DESTROYMUTEXBLOCK(adb->entrylocks, NBUCKETS); + /* clean up entrylocks */ + DESTROYMUTEXBLOCK(adb->entrylocks, NBUCKETS); fail2: /* clean up namelocks */ - DESTROYMUTEXBLOCK(adb->namelocks, NBUCKETS); + DESTROYMUTEXBLOCK(adb->namelocks, NBUCKETS); fail1: /* clean up only allocated memory */ - if (adb->nmp != NULL) - isc_mempool_destroy(&adb->nmp); - if (adb->nhmp != NULL) - isc_mempool_destroy(&adb->nhmp); - if (adb->limp != NULL) - isc_mempool_destroy(&adb->limp); - if (adb->emp != NULL) - isc_mempool_destroy(&adb->emp); - if (adb->ahmp != NULL) - isc_mempool_destroy(&adb->ahmp); - if (adb->aimp != NULL) - isc_mempool_destroy(&adb->aimp); - if (adb->afmp != NULL) - isc_mempool_destroy(&adb->afmp); - - DESTROYLOCK(&adb->reflock); + if (adb->nmp != NULL) + isc_mempool_destroy(&adb->nmp); + if (adb->nhmp != NULL) + isc_mempool_destroy(&adb->nhmp); + if (adb->limp != NULL) + isc_mempool_destroy(&adb->limp); + if (adb->emp != NULL) + isc_mempool_destroy(&adb->emp); + if (adb->ahmp != NULL) + isc_mempool_destroy(&adb->ahmp); + if (adb->aimp != NULL) + isc_mempool_destroy(&adb->aimp); + if (adb->afmp != NULL) + isc_mempool_destroy(&adb->afmp); + + DESTROYLOCK(&adb->overmemlock); + fail0e: + DESTROYLOCK(&adb->reflock); fail0d: - DESTROYLOCK(&adb->mplock); + DESTROYLOCK(&adb->mplock); fail0c: - DESTROYLOCK(&adb->lock); + DESTROYLOCK(&adb->lock); fail0b: - isc_mem_putanddetach(&adb->mctx, adb, sizeof(dns_adb_t)); + isc_mem_putanddetach(&adb->mctx, adb, sizeof(dns_adb_t)); - return (result); + return (result); } void dns_adb_attach(dns_adb_t *adb, dns_adb_t **adbx) { - REQUIRE(DNS_ADB_VALID(adb)); - REQUIRE(adbx != NULL && *adbx == NULL); + REQUIRE(DNS_ADB_VALID(adb)); + REQUIRE(adbx != NULL && *adbx == NULL); - inc_adb_erefcnt(adb); - *adbx = adb; + inc_adb_erefcnt(adb); + *adbx = adb; } void dns_adb_detach(dns_adb_t **adbx) { - dns_adb_t *adb; - isc_boolean_t need_exit_check; + dns_adb_t *adb; + isc_boolean_t need_exit_check; - REQUIRE(adbx != NULL && DNS_ADB_VALID(*adbx)); + REQUIRE(adbx != NULL && DNS_ADB_VALID(*adbx)); - adb = *adbx; - *adbx = NULL; + adb = *adbx; + *adbx = NULL; - INSIST(adb->erefcnt > 0); + INSIST(adb->erefcnt > 0); - LOCK(&adb->reflock); - adb->erefcnt--; - need_exit_check = ISC_TF(adb->erefcnt == 0 && adb->irefcnt == 0); - UNLOCK(&adb->reflock); + LOCK(&adb->reflock); + adb->erefcnt--; + need_exit_check = ISC_TF(adb->erefcnt == 0 && adb->irefcnt == 0); + UNLOCK(&adb->reflock); - if (need_exit_check) { - LOCK(&adb->lock); - INSIST(adb->shutting_down); - check_exit(adb); - UNLOCK(&adb->lock); - } + if (need_exit_check) { + LOCK(&adb->lock); + INSIST(adb->shutting_down); + check_exit(adb); + UNLOCK(&adb->lock); + } } void dns_adb_whenshutdown(dns_adb_t *adb, isc_task_t *task, isc_event_t **eventp) { - isc_task_t *clone; - isc_event_t *event; - isc_boolean_t zeroirefcnt = ISC_FALSE; + isc_task_t *clone; + isc_event_t *event; + isc_boolean_t zeroirefcnt = ISC_FALSE; - /* - * Send '*eventp' to 'task' when 'adb' has shutdown. - */ + /* + * Send '*eventp' to 'task' when 'adb' has shutdown. + */ - REQUIRE(DNS_ADB_VALID(adb)); - REQUIRE(eventp != NULL); + REQUIRE(DNS_ADB_VALID(adb)); + REQUIRE(eventp != NULL); - event = *eventp; - *eventp = NULL; + event = *eventp; + *eventp = NULL; - LOCK(&adb->lock); + LOCK(&adb->lock); - LOCK(&adb->reflock); - zeroirefcnt = ISC_TF(adb->irefcnt == 0); + LOCK(&adb->reflock); + zeroirefcnt = ISC_TF(adb->irefcnt == 0); - if (adb->shutting_down && zeroirefcnt && - isc_mempool_getallocated(adb->ahmp) == 0) { - /* - * We're already shutdown. Send the event. - */ - event->ev_sender = adb; - isc_task_send(task, &event); - } else { - clone = NULL; - isc_task_attach(task, &clone); - event->ev_sender = clone; - ISC_LIST_APPEND(adb->whenshutdown, event, ev_link); - } + if (adb->shutting_down && zeroirefcnt && + isc_mempool_getallocated(adb->ahmp) == 0) { + /* + * We're already shutdown. Send the event. + */ + event->ev_sender = adb; + isc_task_send(task, &event); + } else { + clone = NULL; + isc_task_attach(task, &clone); + event->ev_sender = clone; + ISC_LIST_APPEND(adb->whenshutdown, event, ev_link); + } - UNLOCK(&adb->reflock); - UNLOCK(&adb->lock); + UNLOCK(&adb->reflock); + UNLOCK(&adb->lock); } void dns_adb_shutdown(dns_adb_t *adb) { - isc_boolean_t need_check_exit; + isc_boolean_t need_check_exit; - /* - * Shutdown 'adb'. - */ + /* + * Shutdown 'adb'. + */ - LOCK(&adb->lock); + LOCK(&adb->lock); - if (!adb->shutting_down) { - adb->shutting_down = ISC_TRUE; - isc_mem_setwater(adb->mctx, water, adb, 0, 0); - need_check_exit = shutdown_names(adb); - if (!need_check_exit) - need_check_exit = shutdown_entries(adb); - if (need_check_exit) - check_exit(adb); - } + if (!adb->shutting_down) { + adb->shutting_down = ISC_TRUE; + isc_mem_setwater(adb->mctx, water, adb, 0, 0); + need_check_exit = shutdown_names(adb); + if (!need_check_exit) + need_check_exit = shutdown_entries(adb); + if (need_check_exit) + check_exit(adb); + } - UNLOCK(&adb->lock); + UNLOCK(&adb->lock); } isc_result_t dns_adb_createfind(dns_adb_t *adb, isc_task_t *task, isc_taskaction_t action, - void *arg, dns_name_t *name, dns_name_t *qname, - dns_rdatatype_t qtype, unsigned int options, - isc_stdtime_t now, dns_name_t *target, - in_port_t port, dns_adbfind_t **findp) + void *arg, dns_name_t *name, dns_name_t *qname, + dns_rdatatype_t qtype, unsigned int options, + isc_stdtime_t now, dns_name_t *target, + in_port_t port, dns_adbfind_t **findp) { - dns_adbfind_t *find; - dns_adbname_t *adbname; - int bucket; - isc_boolean_t want_event, start_at_zone, alias, have_address; - isc_result_t result; - unsigned int wanted_addresses; - unsigned int wanted_fetches; - unsigned int query_pending; - - REQUIRE(DNS_ADB_VALID(adb)); - if (task != NULL) { - REQUIRE(action != NULL); - } - REQUIRE(name != NULL); - REQUIRE(qname != NULL); - REQUIRE(findp != NULL && *findp == NULL); - REQUIRE(target == NULL || dns_name_hasbuffer(target)); - - REQUIRE((options & DNS_ADBFIND_ADDRESSMASK) != 0); - - result = ISC_R_UNEXPECTED; - wanted_addresses = (options & DNS_ADBFIND_ADDRESSMASK); - wanted_fetches = 0; - query_pending = 0; - want_event = ISC_FALSE; - start_at_zone = ISC_FALSE; - alias = ISC_FALSE; - - if (now == 0) - isc_stdtime_get(&now); - - /* - * XXXMLG Move this comment somewhere else! - * - * Look up the name in our internal database. - * - * Possibilities: Note that these are not always exclusive. - * - * No name found. In this case, allocate a new name header and - * an initial namehook or two. If any of these allocations - * fail, clean up and return ISC_R_NOMEMORY. - * - * Name found, valid addresses present. Allocate one addrinfo - * structure for each found and append it to the linked list - * of addresses for this header. - * - * Name found, queries pending. In this case, if a task was - * passed in, allocate a job id, attach it to the name's job - * list and remember to tell the caller that there will be - * more info coming later. - */ - - find = new_adbfind(adb); - if (find == NULL) - return (ISC_R_NOMEMORY); - - find->port = port; - - /* - * Remember what types of addresses we are interested in. - */ - find->options = options; - find->flags |= wanted_addresses; - if (FIND_WANTEVENT(find)) { - REQUIRE(task != NULL); - } - - /* - * Try to see if we know anything about this name at all. - */ - bucket = DNS_ADB_INVALIDBUCKET; - adbname = find_name_and_lock(adb, name, find->options, &bucket); - if (adb->name_sd[bucket]) { - DP(DEF_LEVEL, - "dns_adb_createfind: returning ISC_R_SHUTTINGDOWN"); - RUNTIME_CHECK(free_adbfind(adb, &find) == ISC_FALSE); - result = ISC_R_SHUTTINGDOWN; - goto out; - } - - /* - * Nothing found. Allocate a new adbname structure for this name. - */ - if (adbname == NULL) { - /* - * See if there is any stale name at the end of list, and purge - * it if so. - */ - check_stale_name(adb, bucket, now); - - adbname = new_adbname(adb, name); - if (adbname == NULL) { - RUNTIME_CHECK(free_adbfind(adb, &find) == ISC_FALSE); - result = ISC_R_NOMEMORY; - goto out; - } - link_name(adb, bucket, adbname); - if (FIND_HINTOK(find)) - adbname->flags |= NAME_HINT_OK; - if (FIND_GLUEOK(find)) - adbname->flags |= NAME_GLUE_OK; - if (FIND_STARTATZONE(find)) - adbname->flags |= NAME_STARTATZONE; - -#ifdef LRU_DEBUG - adb->nname++; /* XXX: omit ADB lock for brevity */ - adb->nname_total++; -#endif - } else { - /* Move this name forward in the LRU list */ - ISC_LIST_UNLINK(adb->names[bucket], adbname, plink); - ISC_LIST_PREPEND(adb->names[bucket], adbname, plink); -#ifdef LRU_DEBUG - adb->nameuses++; -#endif - } - adbname->last_used = now; - - /* - * Expire old entries, etc. - */ - RUNTIME_CHECK(check_expire_namehooks(adbname, now) == ISC_FALSE); - - /* - * Do we know that the name is an alias? - */ - if (!EXPIRE_OK(adbname->expire_target, now)) { - /* - * Yes, it is. - */ - DP(DEF_LEVEL, - "dns_adb_createfind: name %p is an alias (cached)", - adbname); - alias = ISC_TRUE; - goto post_copy; - } - - /* - * Try to populate the name from the database and/or - * start fetches. First try looking for an A record - * in the database. - */ - if (!NAME_HAS_V4(adbname) && EXPIRE_OK(adbname->expire_v4, now) - && WANT_INET(wanted_addresses)) { - result = dbfind_name(adbname, now, dns_rdatatype_a); - if (result == ISC_R_SUCCESS) { - DP(DEF_LEVEL, - "dns_adb_createfind: found A for name %p in db", - adbname); - goto v6; - } - - /* - * Did we get a CNAME or DNAME? - */ - if (result == DNS_R_ALIAS) { - DP(DEF_LEVEL, - "dns_adb_createfind: name %p is an alias", - adbname); - alias = ISC_TRUE; - goto post_copy; - } - - /* - * If the name doesn't exist at all, don't bother with - * v6 queries; they won't work. - * - * If the name does exist but we didn't get our data, go - * ahead and try AAAA. - * - * If the result is neither of these, try a fetch for A. - */ - if (NXDOMAIN_RESULT(result)) - goto fetch; - else if (NXRRSET_RESULT(result)) - goto v6; - - if (!NAME_FETCH_V4(adbname)) - wanted_fetches |= DNS_ADBFIND_INET; - } + dns_adbfind_t *find; + dns_adbname_t *adbname; + int bucket; + isc_boolean_t want_event, start_at_zone, alias, have_address; + isc_result_t result; + unsigned int wanted_addresses; + unsigned int wanted_fetches; + unsigned int query_pending; + + REQUIRE(DNS_ADB_VALID(adb)); + if (task != NULL) { + REQUIRE(action != NULL); + } + REQUIRE(name != NULL); + REQUIRE(qname != NULL); + REQUIRE(findp != NULL && *findp == NULL); + REQUIRE(target == NULL || dns_name_hasbuffer(target)); + + REQUIRE((options & DNS_ADBFIND_ADDRESSMASK) != 0); + + result = ISC_R_UNEXPECTED; + wanted_addresses = (options & DNS_ADBFIND_ADDRESSMASK); + wanted_fetches = 0; + query_pending = 0; + want_event = ISC_FALSE; + start_at_zone = ISC_FALSE; + alias = ISC_FALSE; + + if (now == 0) + isc_stdtime_get(&now); + + /* + * XXXMLG Move this comment somewhere else! + * + * Look up the name in our internal database. + * + * Possibilities: Note that these are not always exclusive. + * + * No name found. In this case, allocate a new name header and + * an initial namehook or two. If any of these allocations + * fail, clean up and return ISC_R_NOMEMORY. + * + * Name found, valid addresses present. Allocate one addrinfo + * structure for each found and append it to the linked list + * of addresses for this header. + * + * Name found, queries pending. In this case, if a task was + * passed in, allocate a job id, attach it to the name's job + * list and remember to tell the caller that there will be + * more info coming later. + */ + + find = new_adbfind(adb); + if (find == NULL) + return (ISC_R_NOMEMORY); + + find->port = port; + + /* + * Remember what types of addresses we are interested in. + */ + find->options = options; + find->flags |= wanted_addresses; + if (FIND_WANTEVENT(find)) { + REQUIRE(task != NULL); + } + + /* + * Try to see if we know anything about this name at all. + */ + bucket = DNS_ADB_INVALIDBUCKET; + adbname = find_name_and_lock(adb, name, find->options, &bucket); + if (adb->name_sd[bucket]) { + DP(DEF_LEVEL, + "dns_adb_createfind: returning ISC_R_SHUTTINGDOWN"); + RUNTIME_CHECK(free_adbfind(adb, &find) == ISC_FALSE); + result = ISC_R_SHUTTINGDOWN; + goto out; + } + + /* + * Nothing found. Allocate a new adbname structure for this name. + */ + if (adbname == NULL) { + /* + * See if there is any stale name at the end of list, and purge + * it if so. + */ + check_stale_name(adb, bucket, now); + + adbname = new_adbname(adb, name); + if (adbname == NULL) { + RUNTIME_CHECK(free_adbfind(adb, &find) == ISC_FALSE); + result = ISC_R_NOMEMORY; + goto out; + } + link_name(adb, bucket, adbname); + if (FIND_HINTOK(find)) + adbname->flags |= NAME_HINT_OK; + if (FIND_GLUEOK(find)) + adbname->flags |= NAME_GLUE_OK; + if (FIND_STARTATZONE(find)) + adbname->flags |= NAME_STARTATZONE; + } else { + /* Move this name forward in the LRU list */ + ISC_LIST_UNLINK(adb->names[bucket], adbname, plink); + ISC_LIST_PREPEND(adb->names[bucket], adbname, plink); + } + adbname->last_used = now; + + /* + * Expire old entries, etc. + */ + RUNTIME_CHECK(check_expire_namehooks(adbname, now) == ISC_FALSE); + + /* + * Do we know that the name is an alias? + */ + if (!EXPIRE_OK(adbname->expire_target, now)) { + /* + * Yes, it is. + */ + DP(DEF_LEVEL, + "dns_adb_createfind: name %p is an alias (cached)", + adbname); + alias = ISC_TRUE; + goto post_copy; + } + + /* + * Try to populate the name from the database and/or + * start fetches. First try looking for an A record + * in the database. + */ + if (!NAME_HAS_V4(adbname) && EXPIRE_OK(adbname->expire_v4, now) + && WANT_INET(wanted_addresses)) { + result = dbfind_name(adbname, now, dns_rdatatype_a); + if (result == ISC_R_SUCCESS) { + DP(DEF_LEVEL, + "dns_adb_createfind: found A for name %p in db", + adbname); + goto v6; + } + + /* + * Did we get a CNAME or DNAME? + */ + if (result == DNS_R_ALIAS) { + DP(DEF_LEVEL, + "dns_adb_createfind: name %p is an alias", + adbname); + alias = ISC_TRUE; + goto post_copy; + } + + /* + * If the name doesn't exist at all, don't bother with + * v6 queries; they won't work. + * + * If the name does exist but we didn't get our data, go + * ahead and try AAAA. + * + * If the result is neither of these, try a fetch for A. + */ + if (NXDOMAIN_RESULT(result)) + goto fetch; + else if (NXRRSET_RESULT(result)) + goto v6; + + if (!NAME_FETCH_V4(adbname)) + wanted_fetches |= DNS_ADBFIND_INET; + } v6: - if (!NAME_HAS_V6(adbname) && EXPIRE_OK(adbname->expire_v6, now) - && WANT_INET6(wanted_addresses)) { - result = dbfind_name(adbname, now, dns_rdatatype_aaaa); - if (result == ISC_R_SUCCESS) { - DP(DEF_LEVEL, - "dns_adb_createfind: found AAAA for name %p", - adbname); - goto fetch; - } - - /* - * Did we get a CNAME or DNAME? - */ - if (result == DNS_R_ALIAS) { - DP(DEF_LEVEL, - "dns_adb_createfind: name %p is an alias", - adbname); - alias = ISC_TRUE; - goto post_copy; - } - - /* - * Listen to negative cache hints, and don't start - * another query. - */ - if (NCACHE_RESULT(result) || AUTH_NX(result)) - goto fetch; - - if (!NAME_FETCH_V6(adbname)) - wanted_fetches |= DNS_ADBFIND_INET6; - } + if (!NAME_HAS_V6(adbname) && EXPIRE_OK(adbname->expire_v6, now) + && WANT_INET6(wanted_addresses)) { + result = dbfind_name(adbname, now, dns_rdatatype_aaaa); + if (result == ISC_R_SUCCESS) { + DP(DEF_LEVEL, + "dns_adb_createfind: found AAAA for name %p", + adbname); + goto fetch; + } + + /* + * Did we get a CNAME or DNAME? + */ + if (result == DNS_R_ALIAS) { + DP(DEF_LEVEL, + "dns_adb_createfind: name %p is an alias", + adbname); + alias = ISC_TRUE; + goto post_copy; + } + + /* + * Listen to negative cache hints, and don't start + * another query. + */ + if (NCACHE_RESULT(result) || AUTH_NX(result)) + goto fetch; + + if (!NAME_FETCH_V6(adbname)) + wanted_fetches |= DNS_ADBFIND_INET6; + } fetch: - if ((WANT_INET(wanted_addresses) && NAME_HAS_V4(adbname)) || - (WANT_INET6(wanted_addresses) && NAME_HAS_V6(adbname))) - have_address = ISC_TRUE; - else - have_address = ISC_FALSE; - if (wanted_fetches != 0 && - ! (FIND_AVOIDFETCHES(find) && have_address)) { - /* - * We're missing at least one address family. Either the - * caller hasn't instructed us to avoid fetches, or we don't - * know anything about any of the address families that would - * be acceptable so we have to launch fetches. - */ - - if (FIND_STARTATZONE(find)) - start_at_zone = ISC_TRUE; - - /* - * Start V4. - */ - if (WANT_INET(wanted_fetches) && - fetch_name(adbname, start_at_zone, - dns_rdatatype_a) == ISC_R_SUCCESS) { - DP(DEF_LEVEL, - "dns_adb_createfind: started A fetch for name %p", - adbname); - } - - /* - * Start V6. - */ - if (WANT_INET6(wanted_fetches) && - fetch_name(adbname, start_at_zone, - dns_rdatatype_aaaa) == ISC_R_SUCCESS) { - DP(DEF_LEVEL, - "dns_adb_createfind: " - "started AAAA fetch for name %p", - adbname); - } - } - - /* - * Run through the name and copy out the bits we are - * interested in. - */ - copy_namehook_lists(adb, find, qname, qtype, adbname, now); + if ((WANT_INET(wanted_addresses) && NAME_HAS_V4(adbname)) || + (WANT_INET6(wanted_addresses) && NAME_HAS_V6(adbname))) + have_address = ISC_TRUE; + else + have_address = ISC_FALSE; + if (wanted_fetches != 0 && + ! (FIND_AVOIDFETCHES(find) && have_address)) { + /* + * We're missing at least one address family. Either the + * caller hasn't instructed us to avoid fetches, or we don't + * know anything about any of the address families that would + * be acceptable so we have to launch fetches. + */ + + if (FIND_STARTATZONE(find)) + start_at_zone = ISC_TRUE; + + /* + * Start V4. + */ + if (WANT_INET(wanted_fetches) && + fetch_name(adbname, start_at_zone, + dns_rdatatype_a) == ISC_R_SUCCESS) { + DP(DEF_LEVEL, + "dns_adb_createfind: started A fetch for name %p", + adbname); + } + + /* + * Start V6. + */ + if (WANT_INET6(wanted_fetches) && + fetch_name(adbname, start_at_zone, + dns_rdatatype_aaaa) == ISC_R_SUCCESS) { + DP(DEF_LEVEL, + "dns_adb_createfind: " + "started AAAA fetch for name %p", + adbname); + } + } + + /* + * Run through the name and copy out the bits we are + * interested in. + */ + copy_namehook_lists(adb, find, qname, qtype, adbname, now); post_copy: - if (NAME_FETCH_V4(adbname)) - query_pending |= DNS_ADBFIND_INET; - if (NAME_FETCH_V6(adbname)) - query_pending |= DNS_ADBFIND_INET6; - - /* - * Attach to the name's query list if there are queries - * already running, and we have been asked to. - */ - want_event = ISC_TRUE; - if (!FIND_WANTEVENT(find)) - want_event = ISC_FALSE; - if (FIND_WANTEMPTYEVENT(find) && FIND_HAS_ADDRS(find)) - want_event = ISC_FALSE; - if ((wanted_addresses & query_pending) == 0) - want_event = ISC_FALSE; - if (alias) - want_event = ISC_FALSE; - if (want_event) { - find->adbname = adbname; - find->name_bucket = bucket; - ISC_LIST_APPEND(adbname->finds, find, plink); - find->query_pending = (query_pending & wanted_addresses); - find->flags &= ~DNS_ADBFIND_ADDRESSMASK; - find->flags |= (find->query_pending & DNS_ADBFIND_ADDRESSMASK); - DP(DEF_LEVEL, "createfind: attaching find %p to adbname %p", - find, adbname); - } else { - /* - * Remove the flag so the caller knows there will never - * be an event, and set internal flags to fake that - * the event was sent and freed, so dns_adb_destroyfind() will - * do the right thing. - */ - find->query_pending = (query_pending & wanted_addresses); - find->options &= ~DNS_ADBFIND_WANTEVENT; - find->flags |= (FIND_EVENT_SENT | FIND_EVENT_FREED); - find->flags &= ~DNS_ADBFIND_ADDRESSMASK; - } - - find->partial_result |= (adbname->partial_result & wanted_addresses); - if (alias) { - if (target != NULL) { - result = dns_name_copy(&adbname->target, target, NULL); - if (result != ISC_R_SUCCESS) - goto out; - } - result = DNS_R_ALIAS; - } else - result = ISC_R_SUCCESS; - - /* - * Copy out error flags from the name structure into the find. - */ - find->result_v4 = find_err_map[adbname->fetch_err]; - find->result_v6 = find_err_map[adbname->fetch6_err]; + if (NAME_FETCH_V4(adbname)) + query_pending |= DNS_ADBFIND_INET; + if (NAME_FETCH_V6(adbname)) + query_pending |= DNS_ADBFIND_INET6; + + /* + * Attach to the name's query list if there are queries + * already running, and we have been asked to. + */ + want_event = ISC_TRUE; + if (!FIND_WANTEVENT(find)) + want_event = ISC_FALSE; + if (FIND_WANTEMPTYEVENT(find) && FIND_HAS_ADDRS(find)) + want_event = ISC_FALSE; + if ((wanted_addresses & query_pending) == 0) + want_event = ISC_FALSE; + if (alias) + want_event = ISC_FALSE; + if (want_event) { + find->adbname = adbname; + find->name_bucket = bucket; + ISC_LIST_APPEND(adbname->finds, find, plink); + find->query_pending = (query_pending & wanted_addresses); + find->flags &= ~DNS_ADBFIND_ADDRESSMASK; + find->flags |= (find->query_pending & DNS_ADBFIND_ADDRESSMASK); + DP(DEF_LEVEL, "createfind: attaching find %p to adbname %p", + find, adbname); + } else { + /* + * Remove the flag so the caller knows there will never + * be an event, and set internal flags to fake that + * the event was sent and freed, so dns_adb_destroyfind() will + * do the right thing. + */ + find->query_pending = (query_pending & wanted_addresses); + find->options &= ~DNS_ADBFIND_WANTEVENT; + find->flags |= (FIND_EVENT_SENT | FIND_EVENT_FREED); + find->flags &= ~DNS_ADBFIND_ADDRESSMASK; + } + + find->partial_result |= (adbname->partial_result & wanted_addresses); + if (alias) { + if (target != NULL) { + result = dns_name_copy(&adbname->target, target, NULL); + if (result != ISC_R_SUCCESS) + goto out; + } + result = DNS_R_ALIAS; + } else + result = ISC_R_SUCCESS; + + /* + * Copy out error flags from the name structure into the find. + */ + find->result_v4 = find_err_map[adbname->fetch_err]; + find->result_v6 = find_err_map[adbname->fetch6_err]; out: - if (find != NULL) { - *findp = find; + if (find != NULL) { + *findp = find; - if (want_event) { - isc_task_t *taskp; + if (want_event) { + isc_task_t *taskp; - INSIST((find->flags & DNS_ADBFIND_ADDRESSMASK) != 0); - taskp = NULL; - isc_task_attach(task, &taskp); - find->event.ev_sender = taskp; - find->event.ev_action = action; - find->event.ev_arg = arg; - } - } + INSIST((find->flags & DNS_ADBFIND_ADDRESSMASK) != 0); + taskp = NULL; + isc_task_attach(task, &taskp); + find->event.ev_sender = taskp; + find->event.ev_action = action; + find->event.ev_arg = arg; + } + } - UNLOCK(&adb->namelocks[bucket]); + UNLOCK(&adb->namelocks[bucket]); - return (result); + return (result); } void dns_adb_destroyfind(dns_adbfind_t **findp) { - dns_adbfind_t *find; - dns_adbentry_t *entry; - dns_adbaddrinfo_t *ai; - int bucket; - dns_adb_t *adb; - - REQUIRE(findp != NULL && DNS_ADBFIND_VALID(*findp)); - find = *findp; - *findp = NULL; - - LOCK(&find->lock); - - DP(DEF_LEVEL, "dns_adb_destroyfind on find %p", find); - - adb = find->adb; - REQUIRE(DNS_ADB_VALID(adb)); - - REQUIRE(FIND_EVENTFREED(find)); - - bucket = find->name_bucket; - INSIST(bucket == DNS_ADB_INVALIDBUCKET); - - UNLOCK(&find->lock); - - /* - * The find doesn't exist on any list, and nothing is locked. - * Return the find to the memory pool, and decrement the adb's - * reference count. - */ - ai = ISC_LIST_HEAD(find->list); - while (ai != NULL) { - ISC_LIST_UNLINK(find->list, ai, publink); - entry = ai->entry; - ai->entry = NULL; - INSIST(DNS_ADBENTRY_VALID(entry)); - RUNTIME_CHECK(dec_entry_refcnt(adb, entry, ISC_TRUE) == - ISC_FALSE); - free_adbaddrinfo(adb, &ai); - ai = ISC_LIST_HEAD(find->list); - } - - /* - * WARNING: The find is freed with the adb locked. This is done - * to avoid a race condition where we free the find, some other - * thread tests to see if it should be destroyed, detects it should - * be, destroys it, and then we try to lock it for our check, but the - * lock is destroyed. - */ - LOCK(&adb->lock); - if (free_adbfind(adb, &find)) - check_exit(adb); - UNLOCK(&adb->lock); + dns_adbfind_t *find; + dns_adbentry_t *entry; + dns_adbaddrinfo_t *ai; + int bucket; + dns_adb_t *adb; + + REQUIRE(findp != NULL && DNS_ADBFIND_VALID(*findp)); + find = *findp; + *findp = NULL; + + LOCK(&find->lock); + + DP(DEF_LEVEL, "dns_adb_destroyfind on find %p", find); + + adb = find->adb; + REQUIRE(DNS_ADB_VALID(adb)); + + REQUIRE(FIND_EVENTFREED(find)); + + bucket = find->name_bucket; + INSIST(bucket == DNS_ADB_INVALIDBUCKET); + + UNLOCK(&find->lock); + + /* + * The find doesn't exist on any list, and nothing is locked. + * Return the find to the memory pool, and decrement the adb's + * reference count. + */ + ai = ISC_LIST_HEAD(find->list); + while (ai != NULL) { + ISC_LIST_UNLINK(find->list, ai, publink); + entry = ai->entry; + ai->entry = NULL; + INSIST(DNS_ADBENTRY_VALID(entry)); + RUNTIME_CHECK(dec_entry_refcnt(adb, entry, ISC_TRUE) == + ISC_FALSE); + free_adbaddrinfo(adb, &ai); + ai = ISC_LIST_HEAD(find->list); + } + + /* + * WARNING: The find is freed with the adb locked. This is done + * to avoid a race condition where we free the find, some other + * thread tests to see if it should be destroyed, detects it should + * be, destroys it, and then we try to lock it for our check, but the + * lock is destroyed. + */ + LOCK(&adb->lock); + if (free_adbfind(adb, &find)) + check_exit(adb); + UNLOCK(&adb->lock); } void dns_adb_cancelfind(dns_adbfind_t *find) { - isc_event_t *ev; - isc_task_t *task; - dns_adb_t *adb; - int bucket; - int unlock_bucket; - - LOCK(&find->lock); - - DP(DEF_LEVEL, "dns_adb_cancelfind on find %p", find); - - adb = find->adb; - REQUIRE(DNS_ADB_VALID(adb)); - - REQUIRE(!FIND_EVENTFREED(find)); - REQUIRE(FIND_WANTEVENT(find)); - - bucket = find->name_bucket; - if (bucket == DNS_ADB_INVALIDBUCKET) - goto cleanup; - - /* - * We need to get the adbname's lock to unlink the find. - */ - unlock_bucket = bucket; - violate_locking_hierarchy(&find->lock, &adb->namelocks[unlock_bucket]); - bucket = find->name_bucket; - if (bucket != DNS_ADB_INVALIDBUCKET) { - ISC_LIST_UNLINK(find->adbname->finds, find, plink); - find->adbname = NULL; - find->name_bucket = DNS_ADB_INVALIDBUCKET; - } - UNLOCK(&adb->namelocks[unlock_bucket]); - bucket = DNS_ADB_INVALIDBUCKET; + isc_event_t *ev; + isc_task_t *task; + dns_adb_t *adb; + int bucket; + int unlock_bucket; + + LOCK(&find->lock); + + DP(DEF_LEVEL, "dns_adb_cancelfind on find %p", find); + + adb = find->adb; + REQUIRE(DNS_ADB_VALID(adb)); + + REQUIRE(!FIND_EVENTFREED(find)); + REQUIRE(FIND_WANTEVENT(find)); + + bucket = find->name_bucket; + if (bucket == DNS_ADB_INVALIDBUCKET) + goto cleanup; + + /* + * We need to get the adbname's lock to unlink the find. + */ + unlock_bucket = bucket; + violate_locking_hierarchy(&find->lock, &adb->namelocks[unlock_bucket]); + bucket = find->name_bucket; + if (bucket != DNS_ADB_INVALIDBUCKET) { + ISC_LIST_UNLINK(find->adbname->finds, find, plink); + find->adbname = NULL; + find->name_bucket = DNS_ADB_INVALIDBUCKET; + } + UNLOCK(&adb->namelocks[unlock_bucket]); + bucket = DNS_ADB_INVALIDBUCKET; cleanup: - if (!FIND_EVENTSENT(find)) { - ev = &find->event; - task = ev->ev_sender; - ev->ev_sender = find; - ev->ev_type = DNS_EVENT_ADBCANCELED; - ev->ev_destroy = event_free; - ev->ev_destroy_arg = find; - find->result_v4 = ISC_R_CANCELED; - find->result_v6 = ISC_R_CANCELED; + if (!FIND_EVENTSENT(find)) { + ev = &find->event; + task = ev->ev_sender; + ev->ev_sender = find; + ev->ev_type = DNS_EVENT_ADBCANCELED; + ev->ev_destroy = event_free; + ev->ev_destroy_arg = find; + find->result_v4 = ISC_R_CANCELED; + find->result_v6 = ISC_R_CANCELED; - DP(DEF_LEVEL, "sending event %p to task %p for find %p", - ev, task, find); + DP(DEF_LEVEL, "sending event %p to task %p for find %p", + ev, task, find); - isc_task_sendanddetach(&task, (isc_event_t **)&ev); - } + isc_task_sendanddetach(&task, (isc_event_t **)&ev); + } - UNLOCK(&find->lock); + UNLOCK(&find->lock); } void dns_adb_dump(dns_adb_t *adb, FILE *f) { - int i; - isc_stdtime_t now; + int i; + isc_stdtime_t now; - REQUIRE(DNS_ADB_VALID(adb)); - REQUIRE(f != NULL); + REQUIRE(DNS_ADB_VALID(adb)); + REQUIRE(f != NULL); - /* - * Lock the adb itself, lock all the name buckets, then lock all - * the entry buckets. This should put the adb into a state where - * nothing can change, so we can iterate through everything and - * print at our leisure. - */ + /* + * Lock the adb itself, lock all the name buckets, then lock all + * the entry buckets. This should put the adb into a state where + * nothing can change, so we can iterate through everything and + * print at our leisure. + */ - LOCK(&adb->lock); - isc_stdtime_get(&now); + LOCK(&adb->lock); + isc_stdtime_get(&now); - for (i = 0; i < NBUCKETS; i++) - RUNTIME_CHECK(cleanup_names(adb, i, now) == ISC_FALSE); - for (i = 0; i < NBUCKETS; i++) - RUNTIME_CHECK(cleanup_entries(adb, i, now) == ISC_FALSE); + for (i = 0; i < NBUCKETS; i++) + RUNTIME_CHECK(cleanup_names(adb, i, now) == ISC_FALSE); + for (i = 0; i < NBUCKETS; i++) + RUNTIME_CHECK(cleanup_entries(adb, i, now) == ISC_FALSE); - dump_adb(adb, f, ISC_FALSE, now); - UNLOCK(&adb->lock); + dump_adb(adb, f, ISC_FALSE, now); + UNLOCK(&adb->lock); } static void dump_ttl(FILE *f, const char *legend, isc_stdtime_t value, isc_stdtime_t now) { - if (value == INT_MAX) - return; - fprintf(f, " [%s TTL %d]", legend, value - now); + if (value == INT_MAX) + return; + fprintf(f, " [%s TTL %d]", legend, value - now); } static void dump_adb(dns_adb_t *adb, FILE *f, isc_boolean_t debug, isc_stdtime_t now) { - int i; - dns_adbname_t *name; - dns_adbentry_t *entry; - - fprintf(f, ";\n; Address database dump\n;\n"); - if (debug) - fprintf(f, "; addr %p, erefcnt %u, irefcnt %u, finds out %u\n", - adb, adb->erefcnt, adb->irefcnt, - isc_mempool_getallocated(adb->nhmp)); - - for (i = 0; i < NBUCKETS; i++) - LOCK(&adb->namelocks[i]); - for (i = 0; i < NBUCKETS; i++) - LOCK(&adb->entrylocks[i]); - - /* - * Dump the names - */ - for (i = 0; i < NBUCKETS; i++) { - name = ISC_LIST_HEAD(adb->names[i]); - if (name == NULL) - continue; - if (debug) - fprintf(f, "; bucket %d\n", i); - for (; - name != NULL; - name = ISC_LIST_NEXT(name, plink)) - { - if (debug) - fprintf(f, "; name %p (flags %08x)\n", - name, name->flags); - - fprintf(f, "; "); - print_dns_name(f, &name->name); - if (dns_name_countlabels(&name->target) > 0) { - fprintf(f, " alias "); - print_dns_name(f, &name->target); - } - - dump_ttl(f, "v4", name->expire_v4, now); - dump_ttl(f, "v6", name->expire_v6, now); - dump_ttl(f, "target", name->expire_target, now); - - fprintf(f, " [v4 %s] [v6 %s]", - errnames[name->fetch_err], - errnames[name->fetch6_err]); - - fprintf(f, "\n"); - - print_namehook_list(f, "v4", &name->v4, debug, now); - print_namehook_list(f, "v6", &name->v6, debug, now); - - if (debug) - print_fetch_list(f, name); - if (debug) - print_find_list(f, name); - - } - } - - fprintf(f, ";\n; Unassociated entries\n;\n"); - - for (i = 0; i < NBUCKETS; i++) { - entry = ISC_LIST_HEAD(adb->entries[i]); - while (entry != NULL) { - if (entry->refcnt == 0) - dump_entry(f, entry, debug, now); - entry = ISC_LIST_NEXT(entry, plink); - } - } - - /* - * Unlock everything - */ - for (i = 0; i < NBUCKETS; i++) - UNLOCK(&adb->entrylocks[i]); - for (i = 0; i < NBUCKETS; i++) - UNLOCK(&adb->namelocks[i]); + int i; + dns_adbname_t *name; + dns_adbentry_t *entry; + + fprintf(f, ";\n; Address database dump\n;\n"); + if (debug) + fprintf(f, "; addr %p, erefcnt %u, irefcnt %u, finds out %u\n", + adb, adb->erefcnt, adb->irefcnt, + isc_mempool_getallocated(adb->nhmp)); + + for (i = 0; i < NBUCKETS; i++) + LOCK(&adb->namelocks[i]); + for (i = 0; i < NBUCKETS; i++) + LOCK(&adb->entrylocks[i]); + + /* + * Dump the names + */ + for (i = 0; i < NBUCKETS; i++) { + name = ISC_LIST_HEAD(adb->names[i]); + if (name == NULL) + continue; + if (debug) + fprintf(f, "; bucket %d\n", i); + for (; + name != NULL; + name = ISC_LIST_NEXT(name, plink)) + { + if (debug) + fprintf(f, "; name %p (flags %08x)\n", + name, name->flags); + + fprintf(f, "; "); + print_dns_name(f, &name->name); + if (dns_name_countlabels(&name->target) > 0) { + fprintf(f, " alias "); + print_dns_name(f, &name->target); + } + + dump_ttl(f, "v4", name->expire_v4, now); + dump_ttl(f, "v6", name->expire_v6, now); + dump_ttl(f, "target", name->expire_target, now); + + fprintf(f, " [v4 %s] [v6 %s]", + errnames[name->fetch_err], + errnames[name->fetch6_err]); + + fprintf(f, "\n"); + + print_namehook_list(f, "v4", &name->v4, debug, now); + print_namehook_list(f, "v6", &name->v6, debug, now); + + if (debug) + print_fetch_list(f, name); + if (debug) + print_find_list(f, name); + + } + } + + fprintf(f, ";\n; Unassociated entries\n;\n"); + + for (i = 0; i < NBUCKETS; i++) { + entry = ISC_LIST_HEAD(adb->entries[i]); + while (entry != NULL) { + if (entry->refcnt == 0) + dump_entry(f, entry, debug, now); + entry = ISC_LIST_NEXT(entry, plink); + } + } + + /* + * Unlock everything + */ + for (i = 0; i < NBUCKETS; i++) + UNLOCK(&adb->entrylocks[i]); + for (i = 0; i < NBUCKETS; i++) + UNLOCK(&adb->namelocks[i]); } static void dump_entry(FILE *f, dns_adbentry_t *entry, isc_boolean_t debug, - isc_stdtime_t now) + isc_stdtime_t now) { - char addrbuf[ISC_NETADDR_FORMATSIZE]; - char typebuf[DNS_RDATATYPE_FORMATSIZE]; - isc_netaddr_t netaddr; - dns_adblameinfo_t *li; - - isc_netaddr_fromsockaddr(&netaddr, &entry->sockaddr); - isc_netaddr_format(&netaddr, addrbuf, sizeof(addrbuf)); - - if (debug) - fprintf(f, ";\t%p: refcnt %u\n", entry, entry->refcnt); - - fprintf(f, ";\t%s [srtt %u] [flags %08x]", - addrbuf, entry->srtt, entry->flags); - if (entry->expires != 0) - fprintf(f, " [ttl %d]", entry->expires - now); - fprintf(f, "\n"); - for (li = ISC_LIST_HEAD(entry->lameinfo); - li != NULL; - li = ISC_LIST_NEXT(li, plink)) { - fprintf(f, ";\t\t"); - print_dns_name(f, &li->qname); - dns_rdatatype_format(li->qtype, typebuf, sizeof(typebuf)); - fprintf(f, " %s [lame TTL %d]\n", typebuf, - li->lame_timer - now); - } + char addrbuf[ISC_NETADDR_FORMATSIZE]; + char typebuf[DNS_RDATATYPE_FORMATSIZE]; + isc_netaddr_t netaddr; + dns_adblameinfo_t *li; + + isc_netaddr_fromsockaddr(&netaddr, &entry->sockaddr); + isc_netaddr_format(&netaddr, addrbuf, sizeof(addrbuf)); + + if (debug) + fprintf(f, ";\t%p: refcnt %u\n", entry, entry->refcnt); + + fprintf(f, ";\t%s [srtt %u] [flags %08x]", + addrbuf, entry->srtt, entry->flags); + if (entry->expires != 0) + fprintf(f, " [ttl %d]", entry->expires - now); + fprintf(f, "\n"); + for (li = ISC_LIST_HEAD(entry->lameinfo); + li != NULL; + li = ISC_LIST_NEXT(li, plink)) { + fprintf(f, ";\t\t"); + print_dns_name(f, &li->qname); + dns_rdatatype_format(li->qtype, typebuf, sizeof(typebuf)); + fprintf(f, " %s [lame TTL %d]\n", typebuf, + li->lame_timer - now); + } } void dns_adb_dumpfind(dns_adbfind_t *find, FILE *f) { - char tmp[512]; - const char *tmpp; - dns_adbaddrinfo_t *ai; - isc_sockaddr_t *sa; - - /* - * Not used currently, in the API Just In Case we - * want to dump out the name and/or entries too. - */ - - LOCK(&find->lock); - - fprintf(f, ";Find %p\n", find); - fprintf(f, ";\tqpending %08x partial %08x options %08x flags %08x\n", - find->query_pending, find->partial_result, - find->options, find->flags); - fprintf(f, ";\tname_bucket %d, name %p, event sender %p\n", - find->name_bucket, find->adbname, find->event.ev_sender); - - ai = ISC_LIST_HEAD(find->list); - if (ai != NULL) - fprintf(f, "\tAddresses:\n"); - while (ai != NULL) { - sa = &ai->sockaddr; - switch (sa->type.sa.sa_family) { - case AF_INET: - tmpp = inet_ntop(AF_INET, &sa->type.sin.sin_addr, - tmp, sizeof(tmp)); - break; - case AF_INET6: - tmpp = inet_ntop(AF_INET6, &sa->type.sin6.sin6_addr, - tmp, sizeof(tmp)); - break; - default: - tmpp = "UnkFamily"; - } - - if (tmpp == NULL) - tmpp = "BadAddress"; - - fprintf(f, "\t\tentry %p, flags %08x" - " srtt %u addr %s\n", - ai->entry, ai->flags, ai->srtt, tmpp); - - ai = ISC_LIST_NEXT(ai, publink); - } - - UNLOCK(&find->lock); + char tmp[512]; + const char *tmpp; + dns_adbaddrinfo_t *ai; + isc_sockaddr_t *sa; + + /* + * Not used currently, in the API Just In Case we + * want to dump out the name and/or entries too. + */ + + LOCK(&find->lock); + + fprintf(f, ";Find %p\n", find); + fprintf(f, ";\tqpending %08x partial %08x options %08x flags %08x\n", + find->query_pending, find->partial_result, + find->options, find->flags); + fprintf(f, ";\tname_bucket %d, name %p, event sender %p\n", + find->name_bucket, find->adbname, find->event.ev_sender); + + ai = ISC_LIST_HEAD(find->list); + if (ai != NULL) + fprintf(f, "\tAddresses:\n"); + while (ai != NULL) { + sa = &ai->sockaddr; + switch (sa->type.sa.sa_family) { + case AF_INET: + tmpp = inet_ntop(AF_INET, &sa->type.sin.sin_addr, + tmp, sizeof(tmp)); + break; + case AF_INET6: + tmpp = inet_ntop(AF_INET6, &sa->type.sin6.sin6_addr, + tmp, sizeof(tmp)); + break; + default: + tmpp = "UnkFamily"; + } + + if (tmpp == NULL) + tmpp = "BadAddress"; + + fprintf(f, "\t\tentry %p, flags %08x" + " srtt %u addr %s\n", + ai->entry, ai->flags, ai->srtt, tmpp); + + ai = ISC_LIST_NEXT(ai, publink); + } + + UNLOCK(&find->lock); } static void print_dns_name(FILE *f, dns_name_t *name) { - char buf[DNS_NAME_FORMATSIZE]; + char buf[DNS_NAME_FORMATSIZE]; - INSIST(f != NULL); + INSIST(f != NULL); - dns_name_format(name, buf, sizeof(buf)); - fprintf(f, "%s", buf); + dns_name_format(name, buf, sizeof(buf)); + fprintf(f, "%s", buf); } static void print_namehook_list(FILE *f, const char *legend, dns_adbnamehooklist_t *list, - isc_boolean_t debug, isc_stdtime_t now) + isc_boolean_t debug, isc_stdtime_t now) { - dns_adbnamehook_t *nh; + dns_adbnamehook_t *nh; - for (nh = ISC_LIST_HEAD(*list); - nh != NULL; - nh = ISC_LIST_NEXT(nh, plink)) - { - if (debug) - fprintf(f, ";\tHook(%s) %p\n", legend, nh); - dump_entry(f, nh->entry, debug, now); - } + for (nh = ISC_LIST_HEAD(*list); + nh != NULL; + nh = ISC_LIST_NEXT(nh, plink)) + { + if (debug) + fprintf(f, ";\tHook(%s) %p\n", legend, nh); + dump_entry(f, nh->entry, debug, now); + } } static inline void print_fetch(FILE *f, dns_adbfetch_t *ft, const char *type) { - fprintf(f, "\t\tFetch(%s): %p -> { nh %p, entry %p, fetch %p }\n", - type, ft, ft->namehook, ft->entry, ft->fetch); + fprintf(f, "\t\tFetch(%s): %p -> { nh %p, entry %p, fetch %p }\n", + type, ft, ft->namehook, ft->entry, ft->fetch); } static void print_fetch_list(FILE *f, dns_adbname_t *n) { - if (NAME_FETCH_A(n)) - print_fetch(f, n->fetch_a, "A"); - if (NAME_FETCH_AAAA(n)) - print_fetch(f, n->fetch_aaaa, "AAAA"); + if (NAME_FETCH_A(n)) + print_fetch(f, n->fetch_a, "A"); + if (NAME_FETCH_AAAA(n)) + print_fetch(f, n->fetch_aaaa, "AAAA"); } static void print_find_list(FILE *f, dns_adbname_t *name) { - dns_adbfind_t *find; + dns_adbfind_t *find; - find = ISC_LIST_HEAD(name->finds); - while (find != NULL) { - dns_adb_dumpfind(find, f); - find = ISC_LIST_NEXT(find, plink); - } + find = ISC_LIST_HEAD(name->finds); + while (find != NULL) { + dns_adb_dumpfind(find, f); + find = ISC_LIST_NEXT(find, plink); + } } static isc_result_t dbfind_name(dns_adbname_t *adbname, isc_stdtime_t now, dns_rdatatype_t rdtype) { - isc_result_t result; - dns_rdataset_t rdataset; - dns_adb_t *adb; - dns_fixedname_t foundname; - dns_name_t *fname; - - INSIST(DNS_ADBNAME_VALID(adbname)); - adb = adbname->adb; - INSIST(DNS_ADB_VALID(adb)); - INSIST(rdtype == dns_rdatatype_a || rdtype == dns_rdatatype_aaaa); - - dns_fixedname_init(&foundname); - fname = dns_fixedname_name(&foundname); - dns_rdataset_init(&rdataset); - - if (rdtype == dns_rdatatype_a) - adbname->fetch_err = FIND_ERR_UNEXPECTED; - else - adbname->fetch6_err = FIND_ERR_UNEXPECTED; - - result = dns_view_find(adb->view, &adbname->name, rdtype, now, - NAME_GLUEOK(adbname) ? DNS_DBFIND_GLUEOK : 0, - ISC_TF(NAME_HINTOK(adbname)), - NULL, NULL, fname, &rdataset, NULL); - - /* XXXVIX this switch statement is too sparse to gen a jump table. */ - switch (result) { - case DNS_R_GLUE: - case DNS_R_HINT: - case ISC_R_SUCCESS: - /* - * Found in the database. Even if we can't copy out - * any information, return success, or else a fetch - * will be made, which will only make things worse. - */ - if (rdtype == dns_rdatatype_a) - adbname->fetch_err = FIND_ERR_SUCCESS; - else - adbname->fetch6_err = FIND_ERR_SUCCESS; - result = import_rdataset(adbname, &rdataset, now); - break; - case DNS_R_NXDOMAIN: - case DNS_R_NXRRSET: - /* - * We're authoritative and the data doesn't exist. - * Make up a negative cache entry so we don't ask again - * for a while. - * - * XXXRTH What time should we use? I'm putting in 30 seconds - * for now. - */ - if (rdtype == dns_rdatatype_a) { - adbname->expire_v4 = now + 30; - DP(NCACHE_LEVEL, - "adb name %p: Caching auth negative entry for A", - adbname); - if (result == DNS_R_NXDOMAIN) - adbname->fetch_err = FIND_ERR_NXDOMAIN; - else - adbname->fetch_err = FIND_ERR_NXRRSET; - } else { - DP(NCACHE_LEVEL, - "adb name %p: Caching auth negative entry for AAAA", - adbname); - adbname->expire_v6 = now + 30; - if (result == DNS_R_NXDOMAIN) - adbname->fetch6_err = FIND_ERR_NXDOMAIN; - else - adbname->fetch6_err = FIND_ERR_NXRRSET; - } - break; - case DNS_R_NCACHENXDOMAIN: - case DNS_R_NCACHENXRRSET: - /* - * We found a negative cache entry. Pull the TTL from it - * so we won't ask again for a while. - */ - rdataset.ttl = ttlclamp(rdataset.ttl); - if (rdtype == dns_rdatatype_a) { - adbname->expire_v4 = rdataset.ttl + now; - if (result == DNS_R_NCACHENXDOMAIN) - adbname->fetch_err = FIND_ERR_NXDOMAIN; - else - adbname->fetch_err = FIND_ERR_NXRRSET; - DP(NCACHE_LEVEL, - "adb name %p: Caching negative entry for A (ttl %u)", - adbname, rdataset.ttl); - } else { - DP(NCACHE_LEVEL, - "adb name %p: Caching negative entry for AAAA (ttl %u)", - adbname, rdataset.ttl); - adbname->expire_v6 = rdataset.ttl + now; - if (result == DNS_R_NCACHENXDOMAIN) - adbname->fetch6_err = FIND_ERR_NXDOMAIN; - else - adbname->fetch6_err = FIND_ERR_NXRRSET; - } - break; - case DNS_R_CNAME: - case DNS_R_DNAME: - /* - * Clear the hint and glue flags, so this will match - * more often. - */ - adbname->flags &= ~(DNS_ADBFIND_GLUEOK | DNS_ADBFIND_HINTOK); - - rdataset.ttl = ttlclamp(rdataset.ttl); - clean_target(adb, &adbname->target); - adbname->expire_target = INT_MAX; - result = set_target(adb, &adbname->name, fname, &rdataset, - &adbname->target); - if (result == ISC_R_SUCCESS) { - result = DNS_R_ALIAS; - DP(NCACHE_LEVEL, - "adb name %p: caching alias target", - adbname); - adbname->expire_target = rdataset.ttl + now; - } - if (rdtype == dns_rdatatype_a) - adbname->fetch_err = FIND_ERR_SUCCESS; - else - adbname->fetch6_err = FIND_ERR_SUCCESS; - break; - } - - if (dns_rdataset_isassociated(&rdataset)) - dns_rdataset_disassociate(&rdataset); - - return (result); + isc_result_t result; + dns_rdataset_t rdataset; + dns_adb_t *adb; + dns_fixedname_t foundname; + dns_name_t *fname; + + INSIST(DNS_ADBNAME_VALID(adbname)); + adb = adbname->adb; + INSIST(DNS_ADB_VALID(adb)); + INSIST(rdtype == dns_rdatatype_a || rdtype == dns_rdatatype_aaaa); + + dns_fixedname_init(&foundname); + fname = dns_fixedname_name(&foundname); + dns_rdataset_init(&rdataset); + + if (rdtype == dns_rdatatype_a) + adbname->fetch_err = FIND_ERR_UNEXPECTED; + else + adbname->fetch6_err = FIND_ERR_UNEXPECTED; + + result = dns_view_find(adb->view, &adbname->name, rdtype, now, + NAME_GLUEOK(adbname) ? DNS_DBFIND_GLUEOK : 0, + ISC_TF(NAME_HINTOK(adbname)), + NULL, NULL, fname, &rdataset, NULL); + + /* XXXVIX this switch statement is too sparse to gen a jump table. */ + switch (result) { + case DNS_R_GLUE: + case DNS_R_HINT: + case ISC_R_SUCCESS: + /* + * Found in the database. Even if we can't copy out + * any information, return success, or else a fetch + * will be made, which will only make things worse. + */ + if (rdtype == dns_rdatatype_a) + adbname->fetch_err = FIND_ERR_SUCCESS; + else + adbname->fetch6_err = FIND_ERR_SUCCESS; + result = import_rdataset(adbname, &rdataset, now); + break; + case DNS_R_NXDOMAIN: + case DNS_R_NXRRSET: + /* + * We're authoritative and the data doesn't exist. + * Make up a negative cache entry so we don't ask again + * for a while. + * + * XXXRTH What time should we use? I'm putting in 30 seconds + * for now. + */ + if (rdtype == dns_rdatatype_a) { + adbname->expire_v4 = now + 30; + DP(NCACHE_LEVEL, + "adb name %p: Caching auth negative entry for A", + adbname); + if (result == DNS_R_NXDOMAIN) + adbname->fetch_err = FIND_ERR_NXDOMAIN; + else + adbname->fetch_err = FIND_ERR_NXRRSET; + } else { + DP(NCACHE_LEVEL, + "adb name %p: Caching auth negative entry for AAAA", + adbname); + adbname->expire_v6 = now + 30; + if (result == DNS_R_NXDOMAIN) + adbname->fetch6_err = FIND_ERR_NXDOMAIN; + else + adbname->fetch6_err = FIND_ERR_NXRRSET; + } + break; + case DNS_R_NCACHENXDOMAIN: + case DNS_R_NCACHENXRRSET: + /* + * We found a negative cache entry. Pull the TTL from it + * so we won't ask again for a while. + */ + rdataset.ttl = ttlclamp(rdataset.ttl); + if (rdtype == dns_rdatatype_a) { + adbname->expire_v4 = rdataset.ttl + now; + if (result == DNS_R_NCACHENXDOMAIN) + adbname->fetch_err = FIND_ERR_NXDOMAIN; + else + adbname->fetch_err = FIND_ERR_NXRRSET; + DP(NCACHE_LEVEL, + "adb name %p: Caching negative entry for A (ttl %u)", + adbname, rdataset.ttl); + } else { + DP(NCACHE_LEVEL, + "adb name %p: Caching negative entry for AAAA (ttl %u)", + adbname, rdataset.ttl); + adbname->expire_v6 = rdataset.ttl + now; + if (result == DNS_R_NCACHENXDOMAIN) + adbname->fetch6_err = FIND_ERR_NXDOMAIN; + else + adbname->fetch6_err = FIND_ERR_NXRRSET; + } + break; + case DNS_R_CNAME: + case DNS_R_DNAME: + /* + * Clear the hint and glue flags, so this will match + * more often. + */ + adbname->flags &= ~(DNS_ADBFIND_GLUEOK | DNS_ADBFIND_HINTOK); + + rdataset.ttl = ttlclamp(rdataset.ttl); + clean_target(adb, &adbname->target); + adbname->expire_target = INT_MAX; + result = set_target(adb, &adbname->name, fname, &rdataset, + &adbname->target); + if (result == ISC_R_SUCCESS) { + result = DNS_R_ALIAS; + DP(NCACHE_LEVEL, + "adb name %p: caching alias target", + adbname); + adbname->expire_target = rdataset.ttl + now; + } + if (rdtype == dns_rdatatype_a) + adbname->fetch_err = FIND_ERR_SUCCESS; + else + adbname->fetch6_err = FIND_ERR_SUCCESS; + break; + } + + if (dns_rdataset_isassociated(&rdataset)) + dns_rdataset_disassociate(&rdataset); + + return (result); } static void fetch_callback(isc_task_t *task, isc_event_t *ev) { - dns_fetchevent_t *dev; - dns_adbname_t *name; - dns_adb_t *adb; - dns_adbfetch_t *fetch; - int bucket; - isc_eventtype_t ev_status; - isc_stdtime_t now; - isc_result_t result; - unsigned int address_type; - isc_boolean_t want_check_exit = ISC_FALSE; - - UNUSED(task); - - INSIST(ev->ev_type == DNS_EVENT_FETCHDONE); - dev = (dns_fetchevent_t *)ev; - name = ev->ev_arg; - INSIST(DNS_ADBNAME_VALID(name)); - adb = name->adb; - INSIST(DNS_ADB_VALID(adb)); - - bucket = name->lock_bucket; - LOCK(&adb->namelocks[bucket]); - - INSIST(NAME_FETCH_A(name) || NAME_FETCH_AAAA(name)); - address_type = 0; - if (NAME_FETCH_A(name) && (name->fetch_a->fetch == dev->fetch)) { - address_type = DNS_ADBFIND_INET; - fetch = name->fetch_a; - name->fetch_a = NULL; - } else if (NAME_FETCH_AAAA(name) - && (name->fetch_aaaa->fetch == dev->fetch)) { - address_type = DNS_ADBFIND_INET6; - fetch = name->fetch_aaaa; - name->fetch_aaaa = NULL; - } - INSIST(address_type != 0); - - dns_resolver_destroyfetch(&fetch->fetch); - dev->fetch = NULL; - - ev_status = DNS_EVENT_ADBNOMOREADDRESSES; - - /* - * Cleanup things we don't care about. - */ - if (dev->node != NULL) - dns_db_detachnode(dev->db, &dev->node); - if (dev->db != NULL) - dns_db_detach(&dev->db); - - /* - * If this name is marked as dead, clean up, throwing away - * potentially good data. - */ - if (NAME_DEAD(name)) { - free_adbfetch(adb, &fetch); - isc_event_free(&ev); - - want_check_exit = kill_name(&name, DNS_EVENT_ADBCANCELED, - ISC_FALSE); - - UNLOCK(&adb->namelocks[bucket]); - - if (want_check_exit) { - LOCK(&adb->lock); - check_exit(adb); - UNLOCK(&adb->lock); - } - - return; - } - - isc_stdtime_get(&now); - - /* - * If we got a negative cache response, remember it. - */ - if (NCACHE_RESULT(dev->result)) { - dev->rdataset->ttl = ttlclamp(dev->rdataset->ttl); - if (address_type == DNS_ADBFIND_INET) { - DP(NCACHE_LEVEL, "adb fetch name %p: " - "caching negative entry for A (ttl %u)", - name, dev->rdataset->ttl); - name->expire_v4 = ISC_MIN(name->expire_v4, - dev->rdataset->ttl + now); - if (dev->result == DNS_R_NCACHENXDOMAIN) - name->fetch_err = FIND_ERR_NXDOMAIN; - else - name->fetch_err = FIND_ERR_NXRRSET; - } else { - DP(NCACHE_LEVEL, "adb fetch name %p: " - "caching negative entry for AAAA (ttl %u)", - name, dev->rdataset->ttl); - name->expire_v6 = ISC_MIN(name->expire_v6, - dev->rdataset->ttl + now); - if (dev->result == DNS_R_NCACHENXDOMAIN) - name->fetch6_err = FIND_ERR_NXDOMAIN; - else - name->fetch6_err = FIND_ERR_NXRRSET; - } - goto out; - } - - /* - * Handle CNAME/DNAME. - */ - if (dev->result == DNS_R_CNAME || dev->result == DNS_R_DNAME) { - dev->rdataset->ttl = ttlclamp(dev->rdataset->ttl); - clean_target(adb, &name->target); - name->expire_target = INT_MAX; - result = set_target(adb, &name->name, - dns_fixedname_name(&dev->foundname), - dev->rdataset, - &name->target); - if (result == ISC_R_SUCCESS) { - DP(NCACHE_LEVEL, - "adb fetch name %p: caching alias target", - name); - name->expire_target = dev->rdataset->ttl + now; - } - goto check_result; - } - - /* - * Did we get back junk? If so, and there are no more fetches - * sitting out there, tell all the finds about it. - */ - if (dev->result != ISC_R_SUCCESS) { - char buf[DNS_NAME_FORMATSIZE]; - - dns_name_format(&name->name, buf, sizeof(buf)); - DP(DEF_LEVEL, "adb: fetch of '%s' %s failed: %s", - buf, address_type == DNS_ADBFIND_INET ? "A" : "AAAA", - dns_result_totext(dev->result)); - /* XXXMLG Don't pound on bad servers. */ - if (address_type == DNS_ADBFIND_INET) { - name->expire_v4 = ISC_MIN(name->expire_v4, now + 300); - name->fetch_err = FIND_ERR_FAILURE; - } else { - name->expire_v6 = ISC_MIN(name->expire_v6, now + 300); - name->fetch6_err = FIND_ERR_FAILURE; - } - goto out; - } - - /* - * We got something potentially useful. - */ - result = import_rdataset(name, &fetch->rdataset, now); + dns_fetchevent_t *dev; + dns_adbname_t *name; + dns_adb_t *adb; + dns_adbfetch_t *fetch; + int bucket; + isc_eventtype_t ev_status; + isc_stdtime_t now; + isc_result_t result; + unsigned int address_type; + isc_boolean_t want_check_exit = ISC_FALSE; + + UNUSED(task); + + INSIST(ev->ev_type == DNS_EVENT_FETCHDONE); + dev = (dns_fetchevent_t *)ev; + name = ev->ev_arg; + INSIST(DNS_ADBNAME_VALID(name)); + adb = name->adb; + INSIST(DNS_ADB_VALID(adb)); + + bucket = name->lock_bucket; + LOCK(&adb->namelocks[bucket]); + + INSIST(NAME_FETCH_A(name) || NAME_FETCH_AAAA(name)); + address_type = 0; + if (NAME_FETCH_A(name) && (name->fetch_a->fetch == dev->fetch)) { + address_type = DNS_ADBFIND_INET; + fetch = name->fetch_a; + name->fetch_a = NULL; + } else if (NAME_FETCH_AAAA(name) + && (name->fetch_aaaa->fetch == dev->fetch)) { + address_type = DNS_ADBFIND_INET6; + fetch = name->fetch_aaaa; + name->fetch_aaaa = NULL; + } + INSIST(address_type != 0); + + dns_resolver_destroyfetch(&fetch->fetch); + dev->fetch = NULL; + + ev_status = DNS_EVENT_ADBNOMOREADDRESSES; + + /* + * Cleanup things we don't care about. + */ + if (dev->node != NULL) + dns_db_detachnode(dev->db, &dev->node); + if (dev->db != NULL) + dns_db_detach(&dev->db); + + /* + * If this name is marked as dead, clean up, throwing away + * potentially good data. + */ + if (NAME_DEAD(name)) { + free_adbfetch(adb, &fetch); + isc_event_free(&ev); + + want_check_exit = kill_name(&name, DNS_EVENT_ADBCANCELED, + ISC_FALSE); + + UNLOCK(&adb->namelocks[bucket]); + + if (want_check_exit) { + LOCK(&adb->lock); + check_exit(adb); + UNLOCK(&adb->lock); + } + + return; + } + + isc_stdtime_get(&now); + + /* + * If we got a negative cache response, remember it. + */ + if (NCACHE_RESULT(dev->result)) { + dev->rdataset->ttl = ttlclamp(dev->rdataset->ttl); + if (address_type == DNS_ADBFIND_INET) { + DP(NCACHE_LEVEL, "adb fetch name %p: " + "caching negative entry for A (ttl %u)", + name, dev->rdataset->ttl); + name->expire_v4 = ISC_MIN(name->expire_v4, + dev->rdataset->ttl + now); + if (dev->result == DNS_R_NCACHENXDOMAIN) + name->fetch_err = FIND_ERR_NXDOMAIN; + else + name->fetch_err = FIND_ERR_NXRRSET; + inc_stats(adb, dns_resstatscounter_gluefetchv4fail); + } else { + DP(NCACHE_LEVEL, "adb fetch name %p: " + "caching negative entry for AAAA (ttl %u)", + name, dev->rdataset->ttl); + name->expire_v6 = ISC_MIN(name->expire_v6, + dev->rdataset->ttl + now); + if (dev->result == DNS_R_NCACHENXDOMAIN) + name->fetch6_err = FIND_ERR_NXDOMAIN; + else + name->fetch6_err = FIND_ERR_NXRRSET; + inc_stats(adb, dns_resstatscounter_gluefetchv6fail); + } + goto out; + } + + /* + * Handle CNAME/DNAME. + */ + if (dev->result == DNS_R_CNAME || dev->result == DNS_R_DNAME) { + dev->rdataset->ttl = ttlclamp(dev->rdataset->ttl); + clean_target(adb, &name->target); + name->expire_target = INT_MAX; + result = set_target(adb, &name->name, + dns_fixedname_name(&dev->foundname), + dev->rdataset, + &name->target); + if (result == ISC_R_SUCCESS) { + DP(NCACHE_LEVEL, + "adb fetch name %p: caching alias target", + name); + name->expire_target = dev->rdataset->ttl + now; + } + goto check_result; + } + + /* + * Did we get back junk? If so, and there are no more fetches + * sitting out there, tell all the finds about it. + */ + if (dev->result != ISC_R_SUCCESS) { + char buf[DNS_NAME_FORMATSIZE]; + + dns_name_format(&name->name, buf, sizeof(buf)); + DP(DEF_LEVEL, "adb: fetch of '%s' %s failed: %s", + buf, address_type == DNS_ADBFIND_INET ? "A" : "AAAA", + dns_result_totext(dev->result)); + /* XXXMLG Don't pound on bad servers. */ + if (address_type == DNS_ADBFIND_INET) { + name->expire_v4 = ISC_MIN(name->expire_v4, now + 300); + name->fetch_err = FIND_ERR_FAILURE; + inc_stats(adb, dns_resstatscounter_gluefetchv4fail); + } else { + name->expire_v6 = ISC_MIN(name->expire_v6, now + 300); + name->fetch6_err = FIND_ERR_FAILURE; + inc_stats(adb, dns_resstatscounter_gluefetchv6fail); + } + goto out; + } + + /* + * We got something potentially useful. + */ + result = import_rdataset(name, &fetch->rdataset, now); check_result: - if (result == ISC_R_SUCCESS) { - ev_status = DNS_EVENT_ADBMOREADDRESSES; - if (address_type == DNS_ADBFIND_INET) - name->fetch_err = FIND_ERR_SUCCESS; - else - name->fetch6_err = FIND_ERR_SUCCESS; - } + if (result == ISC_R_SUCCESS) { + ev_status = DNS_EVENT_ADBMOREADDRESSES; + if (address_type == DNS_ADBFIND_INET) + name->fetch_err = FIND_ERR_SUCCESS; + else + name->fetch6_err = FIND_ERR_SUCCESS; + } out: - free_adbfetch(adb, &fetch); - isc_event_free(&ev); + free_adbfetch(adb, &fetch); + isc_event_free(&ev); - clean_finds_at_name(name, ev_status, address_type); + clean_finds_at_name(name, ev_status, address_type); - UNLOCK(&adb->namelocks[bucket]); + UNLOCK(&adb->namelocks[bucket]); } static isc_result_t fetch_name(dns_adbname_t *adbname, - isc_boolean_t start_at_zone, - dns_rdatatype_t type) + isc_boolean_t start_at_zone, + dns_rdatatype_t type) { - isc_result_t result; - dns_adbfetch_t *fetch = NULL; - dns_adb_t *adb; - dns_fixedname_t fixed; - dns_name_t *name; - dns_rdataset_t rdataset; - dns_rdataset_t *nameservers; - unsigned int options; - - INSIST(DNS_ADBNAME_VALID(adbname)); - adb = adbname->adb; - INSIST(DNS_ADB_VALID(adb)); - - INSIST((type == dns_rdatatype_a && !NAME_FETCH_V4(adbname)) || - (type == dns_rdatatype_aaaa && !NAME_FETCH_V6(adbname))); - - adbname->fetch_err = FIND_ERR_NOTFOUND; - - name = NULL; - nameservers = NULL; - dns_rdataset_init(&rdataset); - - options = DNS_FETCHOPT_NOVALIDATE; - if (start_at_zone) { - DP(ENTER_LEVEL, - "fetch_name: starting at zone for name %p", - adbname); - dns_fixedname_init(&fixed); - name = dns_fixedname_name(&fixed); - result = dns_view_findzonecut2(adb->view, &adbname->name, name, - 0, 0, ISC_TRUE, ISC_FALSE, - &rdataset, NULL); - if (result != ISC_R_SUCCESS && result != DNS_R_HINT) - goto cleanup; - nameservers = &rdataset; - options |= DNS_FETCHOPT_UNSHARED; - } - - fetch = new_adbfetch(adb); - if (fetch == NULL) { - result = ISC_R_NOMEMORY; - goto cleanup; - } - - result = dns_resolver_createfetch(adb->view->resolver, &adbname->name, - type, name, nameservers, NULL, - options, adb->task, fetch_callback, - adbname, &fetch->rdataset, NULL, - &fetch->fetch); - if (result != ISC_R_SUCCESS) - goto cleanup; - - if (type == dns_rdatatype_a) - adbname->fetch_a = fetch; - else - adbname->fetch_aaaa = fetch; - fetch = NULL; /* Keep us from cleaning this up below. */ + isc_result_t result; + dns_adbfetch_t *fetch = NULL; + dns_adb_t *adb; + dns_fixedname_t fixed; + dns_name_t *name; + dns_rdataset_t rdataset; + dns_rdataset_t *nameservers; + unsigned int options; + + INSIST(DNS_ADBNAME_VALID(adbname)); + adb = adbname->adb; + INSIST(DNS_ADB_VALID(adb)); + + INSIST((type == dns_rdatatype_a && !NAME_FETCH_V4(adbname)) || + (type == dns_rdatatype_aaaa && !NAME_FETCH_V6(adbname))); + + adbname->fetch_err = FIND_ERR_NOTFOUND; + + name = NULL; + nameservers = NULL; + dns_rdataset_init(&rdataset); + + options = DNS_FETCHOPT_NOVALIDATE; + if (start_at_zone) { + DP(ENTER_LEVEL, + "fetch_name: starting at zone for name %p", + adbname); + dns_fixedname_init(&fixed); + name = dns_fixedname_name(&fixed); + result = dns_view_findzonecut2(adb->view, &adbname->name, name, + 0, 0, ISC_TRUE, ISC_FALSE, + &rdataset, NULL); + if (result != ISC_R_SUCCESS && result != DNS_R_HINT) + goto cleanup; + nameservers = &rdataset; + options |= DNS_FETCHOPT_UNSHARED; + } + + fetch = new_adbfetch(adb); + if (fetch == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup; + } + + result = dns_resolver_createfetch(adb->view->resolver, &adbname->name, + type, name, nameservers, NULL, + options, adb->task, fetch_callback, + adbname, &fetch->rdataset, NULL, + &fetch->fetch); + if (result != ISC_R_SUCCESS) + goto cleanup; + + if (type == dns_rdatatype_a) { + adbname->fetch_a = fetch; + inc_stats(adb, dns_resstatscounter_gluefetchv4); + } else { + adbname->fetch_aaaa = fetch; + inc_stats(adb, dns_resstatscounter_gluefetchv6); + } + fetch = NULL; /* Keep us from cleaning this up below. */ cleanup: - if (fetch != NULL) - free_adbfetch(adb, &fetch); - if (dns_rdataset_isassociated(&rdataset)) - dns_rdataset_disassociate(&rdataset); + if (fetch != NULL) + free_adbfetch(adb, &fetch); + if (dns_rdataset_isassociated(&rdataset)) + dns_rdataset_disassociate(&rdataset); - return (result); + return (result); } /* @@ -3544,315 +3346,271 @@ fetch_name(dns_adbname_t *adbname, */ isc_result_t dns_adb_marklame(dns_adb_t *adb, dns_adbaddrinfo_t *addr, dns_name_t *qname, - dns_rdatatype_t qtype, isc_stdtime_t expire_time) + dns_rdatatype_t qtype, isc_stdtime_t expire_time) { - dns_adblameinfo_t *li; - int bucket; - isc_result_t result = ISC_R_SUCCESS; - - REQUIRE(DNS_ADB_VALID(adb)); - REQUIRE(DNS_ADBADDRINFO_VALID(addr)); - REQUIRE(qname != NULL); - - bucket = addr->entry->lock_bucket; - LOCK(&adb->entrylocks[bucket]); - li = ISC_LIST_HEAD(addr->entry->lameinfo); - while (li != NULL && - (li->qtype != qtype || !dns_name_equal(qname, &li->qname))) - li = ISC_LIST_NEXT(li, plink); - if (li != NULL) { - if (expire_time > li->lame_timer) - li->lame_timer = expire_time; - goto unlock; - } - li = new_adblameinfo(adb, qname, qtype); - if (li == NULL) { - result = ISC_R_NOMEMORY; - goto unlock; - } - - li->lame_timer = expire_time; - - ISC_LIST_PREPEND(addr->entry->lameinfo, li, plink); + dns_adblameinfo_t *li; + int bucket; + isc_result_t result = ISC_R_SUCCESS; + + REQUIRE(DNS_ADB_VALID(adb)); + REQUIRE(DNS_ADBADDRINFO_VALID(addr)); + REQUIRE(qname != NULL); + + bucket = addr->entry->lock_bucket; + LOCK(&adb->entrylocks[bucket]); + li = ISC_LIST_HEAD(addr->entry->lameinfo); + while (li != NULL && + (li->qtype != qtype || !dns_name_equal(qname, &li->qname))) + li = ISC_LIST_NEXT(li, plink); + if (li != NULL) { + if (expire_time > li->lame_timer) + li->lame_timer = expire_time; + goto unlock; + } + li = new_adblameinfo(adb, qname, qtype); + if (li == NULL) { + result = ISC_R_NOMEMORY; + goto unlock; + } + + li->lame_timer = expire_time; + + ISC_LIST_PREPEND(addr->entry->lameinfo, li, plink); unlock: - UNLOCK(&adb->entrylocks[bucket]); + UNLOCK(&adb->entrylocks[bucket]); - return (result); + return (result); } void dns_adb_adjustsrtt(dns_adb_t *adb, dns_adbaddrinfo_t *addr, - unsigned int rtt, unsigned int factor) + unsigned int rtt, unsigned int factor) { - int bucket; - unsigned int new_srtt; - isc_stdtime_t now; + int bucket; + unsigned int new_srtt; + isc_stdtime_t now; - REQUIRE(DNS_ADB_VALID(adb)); - REQUIRE(DNS_ADBADDRINFO_VALID(addr)); - REQUIRE(factor <= 10); + REQUIRE(DNS_ADB_VALID(adb)); + REQUIRE(DNS_ADBADDRINFO_VALID(addr)); + REQUIRE(factor <= 10); - bucket = addr->entry->lock_bucket; - LOCK(&adb->entrylocks[bucket]); + bucket = addr->entry->lock_bucket; + LOCK(&adb->entrylocks[bucket]); - if (factor == DNS_ADB_RTTADJAGE) - new_srtt = addr->entry->srtt * 98 / 100; - else - new_srtt = (addr->entry->srtt / 10 * factor) - + (rtt / 10 * (10 - factor)); + if (factor == DNS_ADB_RTTADJAGE) + new_srtt = addr->entry->srtt * 98 / 100; + else + new_srtt = (addr->entry->srtt / 10 * factor) + + (rtt / 10 * (10 - factor)); - addr->entry->srtt = new_srtt; - addr->srtt = new_srtt; + addr->entry->srtt = new_srtt; + addr->srtt = new_srtt; - isc_stdtime_get(&now); - addr->entry->expires = now + ADB_ENTRY_WINDOW; + isc_stdtime_get(&now); + addr->entry->expires = now + ADB_ENTRY_WINDOW; - UNLOCK(&adb->entrylocks[bucket]); + UNLOCK(&adb->entrylocks[bucket]); } void dns_adb_changeflags(dns_adb_t *adb, dns_adbaddrinfo_t *addr, - unsigned int bits, unsigned int mask) + unsigned int bits, unsigned int mask) { - int bucket; + int bucket; - REQUIRE(DNS_ADB_VALID(adb)); - REQUIRE(DNS_ADBADDRINFO_VALID(addr)); + REQUIRE(DNS_ADB_VALID(adb)); + REQUIRE(DNS_ADBADDRINFO_VALID(addr)); - bucket = addr->entry->lock_bucket; - LOCK(&adb->entrylocks[bucket]); + bucket = addr->entry->lock_bucket; + LOCK(&adb->entrylocks[bucket]); - addr->entry->flags = (addr->entry->flags & ~mask) | (bits & mask); - /* - * Note that we do not update the other bits in addr->flags with - * the most recent values from addr->entry->flags. - */ - addr->flags = (addr->flags & ~mask) | (bits & mask); + addr->entry->flags = (addr->entry->flags & ~mask) | (bits & mask); + /* + * Note that we do not update the other bits in addr->flags with + * the most recent values from addr->entry->flags. + */ + addr->flags = (addr->flags & ~mask) | (bits & mask); - UNLOCK(&adb->entrylocks[bucket]); + UNLOCK(&adb->entrylocks[bucket]); } isc_result_t dns_adb_findaddrinfo(dns_adb_t *adb, isc_sockaddr_t *sa, - dns_adbaddrinfo_t **addrp, isc_stdtime_t now) + dns_adbaddrinfo_t **addrp, isc_stdtime_t now) { - int bucket; - dns_adbentry_t *entry; - dns_adbaddrinfo_t *addr; - isc_result_t result; - in_port_t port; - - REQUIRE(DNS_ADB_VALID(adb)); - REQUIRE(addrp != NULL && *addrp == NULL); - - UNUSED(now); - - result = ISC_R_SUCCESS; - bucket = DNS_ADB_INVALIDBUCKET; - entry = find_entry_and_lock(adb, sa, &bucket); - if (adb->entry_sd[bucket]) { - result = ISC_R_SHUTTINGDOWN; - goto unlock; - } - if (entry == NULL) { - /* - * We don't know anything about this address. - */ - entry = new_adbentry(adb); - if (entry == NULL) { - result = ISC_R_NOMEMORY; - goto unlock; - } - entry->sockaddr = *sa; - link_entry(adb, bucket, entry); - DP(ENTER_LEVEL, "findaddrinfo: new entry %p", entry); - } else - DP(ENTER_LEVEL, "findaddrinfo: found entry %p", entry); - - port = isc_sockaddr_getport(sa); - addr = new_adbaddrinfo(adb, entry, port); - if (addr == NULL) { - result = ISC_R_NOMEMORY; - } else { - inc_entry_refcnt(adb, entry, ISC_FALSE); - *addrp = addr; - } + int bucket; + dns_adbentry_t *entry; + dns_adbaddrinfo_t *addr; + isc_result_t result; + in_port_t port; + + REQUIRE(DNS_ADB_VALID(adb)); + REQUIRE(addrp != NULL && *addrp == NULL); + + UNUSED(now); + + result = ISC_R_SUCCESS; + bucket = DNS_ADB_INVALIDBUCKET; + entry = find_entry_and_lock(adb, sa, &bucket); + if (adb->entry_sd[bucket]) { + result = ISC_R_SHUTTINGDOWN; + goto unlock; + } + if (entry == NULL) { + /* + * We don't know anything about this address. + */ + entry = new_adbentry(adb); + if (entry == NULL) { + result = ISC_R_NOMEMORY; + goto unlock; + } + entry->sockaddr = *sa; + link_entry(adb, bucket, entry); + DP(ENTER_LEVEL, "findaddrinfo: new entry %p", entry); + } else + DP(ENTER_LEVEL, "findaddrinfo: found entry %p", entry); + + port = isc_sockaddr_getport(sa); + addr = new_adbaddrinfo(adb, entry, port); + if (addr == NULL) { + result = ISC_R_NOMEMORY; + } else { + inc_entry_refcnt(adb, entry, ISC_FALSE); + *addrp = addr; + } unlock: - UNLOCK(&adb->entrylocks[bucket]); + UNLOCK(&adb->entrylocks[bucket]); - return (result); + return (result); } void dns_adb_freeaddrinfo(dns_adb_t *adb, dns_adbaddrinfo_t **addrp) { - dns_adbaddrinfo_t *addr; - dns_adbentry_t *entry; - int bucket; - isc_stdtime_t now; - isc_boolean_t want_check_exit = ISC_FALSE; + dns_adbaddrinfo_t *addr; + dns_adbentry_t *entry; + int bucket; + isc_stdtime_t now; + isc_boolean_t want_check_exit = ISC_FALSE; - REQUIRE(DNS_ADB_VALID(adb)); - REQUIRE(addrp != NULL); - addr = *addrp; - REQUIRE(DNS_ADBADDRINFO_VALID(addr)); - entry = addr->entry; - REQUIRE(DNS_ADBENTRY_VALID(entry)); + REQUIRE(DNS_ADB_VALID(adb)); + REQUIRE(addrp != NULL); + addr = *addrp; + REQUIRE(DNS_ADBADDRINFO_VALID(addr)); + entry = addr->entry; + REQUIRE(DNS_ADBENTRY_VALID(entry)); - isc_stdtime_get(&now); + isc_stdtime_get(&now); - *addrp = NULL; + *addrp = NULL; - bucket = addr->entry->lock_bucket; - LOCK(&adb->entrylocks[bucket]); + bucket = addr->entry->lock_bucket; + LOCK(&adb->entrylocks[bucket]); - entry->expires = now + ADB_ENTRY_WINDOW; + entry->expires = now + ADB_ENTRY_WINDOW; - want_check_exit = dec_entry_refcnt(adb, entry, ISC_FALSE); + want_check_exit = dec_entry_refcnt(adb, entry, ISC_FALSE); - UNLOCK(&adb->entrylocks[bucket]); + UNLOCK(&adb->entrylocks[bucket]); - addr->entry = NULL; - free_adbaddrinfo(adb, &addr); + addr->entry = NULL; + free_adbaddrinfo(adb, &addr); - if (want_check_exit) { - LOCK(&adb->lock); - check_exit(adb); - UNLOCK(&adb->lock); - } + if (want_check_exit) { + LOCK(&adb->lock); + check_exit(adb); + UNLOCK(&adb->lock); + } } void dns_adb_flush(dns_adb_t *adb) { - unsigned int i; + unsigned int i; - INSIST(DNS_ADB_VALID(adb)); + INSIST(DNS_ADB_VALID(adb)); - LOCK(&adb->lock); + LOCK(&adb->lock); - /* - * Call our cleanup routines. - */ - for (i = 0; i < NBUCKETS; i++) - RUNTIME_CHECK(cleanup_names(adb, i, INT_MAX) == ISC_FALSE); - for (i = 0; i < NBUCKETS; i++) - RUNTIME_CHECK(cleanup_entries(adb, i, INT_MAX) == ISC_FALSE); + /* + * Call our cleanup routines. + */ + for (i = 0; i < NBUCKETS; i++) + RUNTIME_CHECK(cleanup_names(adb, i, INT_MAX) == ISC_FALSE); + for (i = 0; i < NBUCKETS; i++) + RUNTIME_CHECK(cleanup_entries(adb, i, INT_MAX) == ISC_FALSE); #ifdef DUMP_ADB_AFTER_CLEANING - dump_adb(adb, stdout, ISC_TRUE, INT_MAX); + dump_adb(adb, stdout, ISC_TRUE, INT_MAX); #endif - UNLOCK(&adb->lock); + UNLOCK(&adb->lock); } void dns_adb_flushname(dns_adb_t *adb, dns_name_t *name) { - dns_adbname_t *adbname; - dns_adbname_t *nextname; - int bucket; - - INSIST(DNS_ADB_VALID(adb)); - - LOCK(&adb->lock); - bucket = dns_name_hash(name, ISC_FALSE) % NBUCKETS; - LOCK(&adb->namelocks[bucket]); - adbname = ISC_LIST_HEAD(adb->names[bucket]); - while (adbname != NULL) { - nextname = ISC_LIST_NEXT(adbname, plink); - if (!NAME_DEAD(adbname) && - dns_name_equal(name, &adbname->name)) { - RUNTIME_CHECK(kill_name(&adbname, - DNS_EVENT_ADBCANCELED, - ISC_TRUE) == - ISC_FALSE); - } - adbname = nextname; - } - UNLOCK(&adb->namelocks[bucket]); - UNLOCK(&adb->lock); + dns_adbname_t *adbname; + dns_adbname_t *nextname; + int bucket; + + INSIST(DNS_ADB_VALID(adb)); + + LOCK(&adb->lock); + bucket = dns_name_hash(name, ISC_FALSE) % NBUCKETS; + LOCK(&adb->namelocks[bucket]); + adbname = ISC_LIST_HEAD(adb->names[bucket]); + while (adbname != NULL) { + nextname = ISC_LIST_NEXT(adbname, plink); + if (!NAME_DEAD(adbname) && + dns_name_equal(name, &adbname->name)) { + RUNTIME_CHECK(kill_name(&adbname, + DNS_EVENT_ADBCANCELED, + ISC_TRUE) == + ISC_FALSE); + } + adbname = nextname; + } + UNLOCK(&adb->namelocks[bucket]); + UNLOCK(&adb->lock); } static void water(void *arg, int mark) { - dns_adb_t *adb = arg; - isc_boolean_t overmem = ISC_TF(mark == ISC_MEM_HIWATER); + dns_adb_t *adb = arg; + isc_boolean_t overmem = ISC_TF(mark == ISC_MEM_HIWATER); - REQUIRE(DNS_ADB_VALID(adb)); + REQUIRE(DNS_ADB_VALID(adb)); - DP(ISC_LOG_DEBUG(1), - "adb reached %s water mark", overmem ? "high" : "low"); + DP(ISC_LOG_DEBUG(1), + "adb reached %s water mark", overmem ? "high" : "low"); - adb->overmem = overmem; -#if 0 /* we don't need this timer for the new cleaning policy. */ - if (overmem) { - isc_interval_t interval; - - isc_interval_set(&interval, 0, 1); - (void)isc_timer_reset(adb->timer, isc_timertype_once, NULL, - &interval, ISC_TRUE); - } -#endif + /* + * We can't use adb->lock as there is potential for water + * to be called when adb->lock is held. + */ + LOCK(&adb->overmemlock); + if (adb->overmem != overmem) { + adb->overmem = overmem; + isc_mem_waterack(adb->mctx, mark); + } + UNLOCK(&adb->overmemlock); } void dns_adb_setadbsize(dns_adb_t *adb, isc_uint32_t size) { - isc_uint32_t hiwater; - isc_uint32_t lowater; + isc_uint32_t hiwater; + isc_uint32_t lowater; - INSIST(DNS_ADB_VALID(adb)); + INSIST(DNS_ADB_VALID(adb)); - if (size != 0 && size < DNS_ADB_MINADBSIZE) - size = DNS_ADB_MINADBSIZE; + if (size != 0 && size < DNS_ADB_MINADBSIZE) + size = DNS_ADB_MINADBSIZE; - hiwater = size - (size >> 3); /* Approximately 7/8ths. */ - lowater = size - (size >> 2); /* Approximately 3/4ths. */ - - if (size == 0 || hiwater == 0 || lowater == 0) - isc_mem_setwater(adb->mctx, water, adb, 0, 0); - else - isc_mem_setwater(adb->mctx, water, adb, hiwater, lowater); -} + hiwater = size - (size >> 3); /* Approximately 7/8ths. */ + lowater = size - (size >> 2); /* Approximately 3/4ths. */ -#ifdef LRU_DEBUG -/* - * Periodic dumping of the internal state of the statistics. - * This will dump the cache contents, uses, record types, etc. - */ -static void -timer_dump(isc_task_t *task, isc_event_t *ev) { - dns_adb_t *adb; - isc_interval_t interval; - isc_time_t nexttime; - - UNUSED(task); - - adb = ev->ev_arg; - INSIST(DNS_ADB_VALID(adb)); - - LOCK(&adb->lock); - if (adb->nname > 0 || adb->nentry > 0) { - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_ADB, ISC_LOG_INFO, - "ADB memory usage %p: mem inuse %lu, " - "%u/%u names, %u/%u entries, " - "purge/scan=%u(%u,%u)/%u, overmem=%d", - adb, (unsigned long)isc_mem_inuse(adb->mctx), - adb->nname, adb->nname_total, - adb->nentry, adb->nentry_total, - adb->stale_purge, adb->stale_expire, - adb->stale_lru, adb->stale_scan, adb->overmem); - } - - interval.seconds = DUMP_INTERVAL; - interval.nanoseconds = 0; - - RUNTIME_CHECK(isc_time_add(&adb->dump_time, &interval, &nexttime) == - ISC_R_SUCCESS); /* XXX: this is not always true */ - adb->dump_time = nexttime; - (void)isc_timer_reset(adb->dump_timer, isc_timertype_once, - &adb->dump_time, NULL, ISC_FALSE); - UNLOCK(&adb->lock); - - isc_event_free(&ev); + if (size == 0 || hiwater == 0 || lowater == 0) + isc_mem_setwater(adb->mctx, water, adb, 0, 0); + else + isc_mem_setwater(adb->mctx, water, adb, hiwater, lowater); } -#endif diff --git a/lib/dns/api b/lib/dns/api index 58fb9f89..5dee1eec 100644 --- a/lib/dns/api +++ b/lib/dns/api @@ -1,3 +1,3 @@ -LIBINTERFACE = 41 -LIBREVISION = 0 +LIBINTERFACE = 42 +LIBREVISION = 1 LIBAGE = 0 diff --git a/lib/dns/cache.c b/lib/dns/cache.c index cd384205..6f1e189b 100644 --- a/lib/dns/cache.c +++ b/lib/dns/cache.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,13 +15,14 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: cache.c,v 1.76 2007/10/19 17:15:53 explorer Exp $ */ +/* $Id: cache.c,v 1.76.36.3 2008/05/01 18:32:31 jinmei Exp $ */ /*! \file */ #include <config.h> #include <isc/mem.h> +#include <isc/string.h> #include <isc/task.h> #include <isc/time.h> #include <isc/timer.h> @@ -39,24 +40,24 @@ #include <dns/rdatasetiter.h> #include <dns/result.h> -#define CACHE_MAGIC ISC_MAGIC('$', '$', '$', '$') -#define VALID_CACHE(cache) ISC_MAGIC_VALID(cache, CACHE_MAGIC) +#define CACHE_MAGIC ISC_MAGIC('$', '$', '$', '$') +#define VALID_CACHE(cache) ISC_MAGIC_VALID(cache, CACHE_MAGIC) /*! * Control incremental cleaning. * DNS_CACHE_MINSIZE is how many bytes is the floor for dns_cache_setcachesize(). * See also DNS_CACHE_CLEANERINCREMENT */ -#define DNS_CACHE_MINSIZE 2097152 /*%< Bytes. 2097152 = 2 MB */ +#define DNS_CACHE_MINSIZE 2097152 /*%< Bytes. 2097152 = 2 MB */ /*! * Control incremental cleaning. * CLEANERINCREMENT is how many nodes are examined in one pass. * See also DNS_CACHE_MINSIZE */ -#define DNS_CACHE_CLEANERINCREMENT 1000U /*%< Number of nodes. */ +#define DNS_CACHE_CLEANERINCREMENT 1000U /*%< Number of nodes. */ /*** - *** Types + *** Types ***/ /* @@ -67,40 +68,48 @@ typedef struct cache_cleaner cache_cleaner_t; typedef enum { - cleaner_s_idle, /*%< Waiting for cleaning-interval to expire. */ - cleaner_s_busy, /*%< Currently cleaning. */ - cleaner_s_done /*%< Freed enough memory after being overmem. */ + cleaner_s_idle, /*%< Waiting for cleaning-interval to expire. */ + cleaner_s_busy, /*%< Currently cleaning. */ + cleaner_s_done /*%< Freed enough memory after being overmem. */ } cleaner_state_t; /* * Convenience macros for comprehensive assertion checking. */ -#define CLEANER_IDLE(c) ((c)->state == cleaner_s_idle) -#define CLEANER_BUSY(c) ((c)->state == cleaner_s_busy) +#define CLEANER_IDLE(c) ((c)->state == cleaner_s_idle && \ + (c)->resched_event != NULL) +#define CLEANER_BUSY(c) ((c)->state == cleaner_s_busy && \ + (c)->iterator != NULL && \ + (c)->resched_event == NULL) /*% * Accesses to a cache cleaner object are synchronized through * task/event serialization, or locked from the cache object. */ struct cache_cleaner { - isc_mutex_t lock; - /*%< - * Locks overmem. Note: never allocate memory - * while holding this lock - that could lead to deadlock since - * the lock is take by water() which is called from the memory - * allocator. - */ - - dns_cache_t *cache; - isc_task_t *task; - unsigned int cleaning_interval; /*% The cleaning-interval from - named.conf, in seconds. */ - isc_timer_t *cleaning_timer; - - unsigned int increment; /*% Number of names to - clean in one increment */ - cleaner_state_t state; /*% Idle/Busy. */ - isc_boolean_t overmem; /*% The cache is in an overmem state. */ + isc_mutex_t lock; + /*%< + * Locks overmem_event, overmem. Note: never allocate memory + * while holding this lock - that could lead to deadlock since + * the lock is take by water() which is called from the memory + * allocator. + */ + + dns_cache_t *cache; + isc_task_t *task; + unsigned int cleaning_interval; /*% The cleaning-interval from + named.conf, in seconds. */ + isc_timer_t *cleaning_timer; + isc_event_t *resched_event; /*% Sent by cleaner task to + itself to reschedule */ + isc_event_t *overmem_event; + + dns_dbiterator_t *iterator; + unsigned int increment; /*% Number of names to + clean in one increment */ + cleaner_state_t state; /*% Idle/Busy. */ + isc_boolean_t overmem; /*% The cache is in an overmem state. */ + isc_boolean_t replaceiterator; }; /*% @@ -108,434 +117,371 @@ struct cache_cleaner { */ struct dns_cache { - /* Unlocked. */ - unsigned int magic; - isc_mutex_t lock; - isc_mutex_t filelock; - isc_mem_t *mctx; - - /* Locked by 'lock'. */ - int references; - int live_tasks; - dns_rdataclass_t rdclass; - dns_db_t *db; - cache_cleaner_t cleaner; - char *db_type; - int db_argc; - char **db_argv; - - /* Locked by 'filelock'. */ - char * filename; - /* Access to the on-disk cache file is also locked by 'filelock'. */ - -#ifdef LRU_DEBUG -#define DUMP_INTERVAL 30 /* seconds */ - isc_timer_t *dump_timer; /* for test */ - isc_time_t dump_time; /* for test */ -#endif + /* Unlocked. */ + unsigned int magic; + isc_mutex_t lock; + isc_mutex_t filelock; + isc_mem_t *mctx; + + /* Locked by 'lock'. */ + int references; + int live_tasks; + dns_rdataclass_t rdclass; + dns_db_t *db; + cache_cleaner_t cleaner; + char *db_type; + int db_argc; + char **db_argv; + + /* Locked by 'filelock'. */ + char *filename; + /* Access to the on-disk cache file is also locked by 'filelock'. */ }; /*** - *** Functions + *** Functions ***/ static isc_result_t cache_cleaner_init(dns_cache_t *cache, isc_taskmgr_t *taskmgr, - isc_timermgr_t *timermgr, cache_cleaner_t *cleaner); + isc_timermgr_t *timermgr, cache_cleaner_t *cleaner); static void cleaning_timer_action(isc_task_t *task, isc_event_t *event); static void -cleaner_shutdown_action(isc_task_t *task, isc_event_t *event); +incremental_cleaning_action(isc_task_t *task, isc_event_t *event); -#ifdef LRU_DEBUG static void -timer_dump(isc_task_t *task, isc_event_t *event); -#endif +cleaner_shutdown_action(isc_task_t *task, isc_event_t *event); -#if 0 /* This is no longer needed. When LRU_TEST is cleaned up, - * this should be as well. XXXMLG */ -/*% - * Work out how many nodes can be cleaned in the time between two - * requests to the nameserver. Smooth the resulting number and use - * it as a estimate for the number of nodes to be cleaned in the next - * iteration. - */ static void -adjust_increment(cache_cleaner_t *cleaner, unsigned int remaining, - isc_time_t *start) -{ - isc_time_t end; - isc_uint64_t usecs; - isc_uint64_t new; - unsigned int pps = dns_pps; - unsigned int interval; - unsigned int names; - - /* - * Tune for minumum of 100 packets per second (pps). - */ - if (pps < 100) - pps = 100; - - isc_time_now(&end); - - interval = 1000000 / pps; /* Interval between packets in usecs. */ - if (interval == 0) - interval = 1; - - INSIST(cleaner->increment >= remaining); - names = cleaner->increment - remaining; - usecs = isc_time_microdiff(&end, start); - - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_CACHE, - ISC_LOG_DEBUG(1), "adjust_increment interval=%u " - "names=%u usec=%" ISC_PLATFORM_QUADFORMAT "u", - interval, names, usecs); - - if (usecs == 0) { - /* - * If we cleaned all the nodes in unmeasurable time - * double the number of nodes to be cleaned next time. - */ - if (names == cleaner->increment) { - cleaner->increment *= 2; - if (cleaner->increment > DNS_CACHE_CLEANERINCREMENT) - cleaner->increment = DNS_CACHE_CLEANERINCREMENT; - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_CACHE, ISC_LOG_DEBUG(1), - "%p:new cleaner->increment = %u\n", - cleaner, cleaner->increment); - } - return; - } - - new = (names * interval); - new /= (usecs * 2); - if (new == 0) - new = 1; - - /* Smooth */ - new = (new + cleaner->increment * 7) / 8; - - if (new > DNS_CACHE_CLEANERINCREMENT) - new = DNS_CACHE_CLEANERINCREMENT; - - cleaner->increment = (unsigned int)new; - - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_CACHE, - ISC_LOG_DEBUG(1), "%p:new cleaner->increment = %u\n", - cleaner, cleaner->increment); -} -#endif +overmem_cleaning_action(isc_task_t *task, isc_event_t *event); static inline isc_result_t cache_create_db(dns_cache_t *cache, dns_db_t **db) { - return (dns_db_create(cache->mctx, cache->db_type, dns_rootname, - dns_dbtype_cache, cache->rdclass, - cache->db_argc, cache->db_argv, db)); + return (dns_db_create(cache->mctx, cache->db_type, dns_rootname, + dns_dbtype_cache, cache->rdclass, + cache->db_argc, cache->db_argv, db)); } isc_result_t dns_cache_create(isc_mem_t *mctx, isc_taskmgr_t *taskmgr, - isc_timermgr_t *timermgr, dns_rdataclass_t rdclass, - const char *db_type, unsigned int db_argc, char **db_argv, - dns_cache_t **cachep) + isc_timermgr_t *timermgr, dns_rdataclass_t rdclass, + const char *db_type, unsigned int db_argc, char **db_argv, + dns_cache_t **cachep) { - isc_result_t result; - dns_cache_t *cache; - int i; - - REQUIRE(cachep != NULL); - REQUIRE(*cachep == NULL); - REQUIRE(mctx != NULL); - - cache = isc_mem_get(mctx, sizeof(*cache)); - if (cache == NULL) - return (ISC_R_NOMEMORY); - - cache->mctx = NULL; - isc_mem_attach(mctx, &cache->mctx); - - result = isc_mutex_init(&cache->lock); - if (result != ISC_R_SUCCESS) - goto cleanup_mem; - - result = isc_mutex_init(&cache->filelock); - if (result != ISC_R_SUCCESS) - goto cleanup_lock; - - cache->references = 1; - cache->live_tasks = 0; - cache->rdclass = rdclass; - - cache->db_type = isc_mem_strdup(mctx, db_type); - if (cache->db_type == NULL) { - result = ISC_R_NOMEMORY; - goto cleanup_filelock; - } - - cache->db_argc = db_argc; - if (cache->db_argc == 0) - cache->db_argv = NULL; - else { - cache->db_argv = isc_mem_get(mctx, - cache->db_argc * sizeof(char *)); - if (cache->db_argv == NULL) { - result = ISC_R_NOMEMORY; - goto cleanup_dbtype; - } - for (i = 0; i < cache->db_argc; i++) - cache->db_argv[i] = NULL; - for (i = 0; i < cache->db_argc; i++) { - cache->db_argv[i] = isc_mem_strdup(mctx, db_argv[i]); - if (cache->db_argv[i] == NULL) { - result = ISC_R_NOMEMORY; - goto cleanup_dbargv; - } - } - } - - cache->db = NULL; - result = cache_create_db(cache, &cache->db); - if (result != ISC_R_SUCCESS) - goto cleanup_dbargv; - - cache->filename = NULL; - - cache->magic = CACHE_MAGIC; - - result = cache_cleaner_init(cache, taskmgr, timermgr, &cache->cleaner); - if (result != ISC_R_SUCCESS) - goto cleanup_db; - - *cachep = cache; - return (ISC_R_SUCCESS); + isc_result_t result; + dns_cache_t *cache; + int i; + + REQUIRE(cachep != NULL); + REQUIRE(*cachep == NULL); + REQUIRE(mctx != NULL); + + cache = isc_mem_get(mctx, sizeof(*cache)); + if (cache == NULL) + return (ISC_R_NOMEMORY); + + cache->mctx = NULL; + isc_mem_attach(mctx, &cache->mctx); + + result = isc_mutex_init(&cache->lock); + if (result != ISC_R_SUCCESS) + goto cleanup_mem; + + result = isc_mutex_init(&cache->filelock); + if (result != ISC_R_SUCCESS) + goto cleanup_lock; + + cache->references = 1; + cache->live_tasks = 0; + cache->rdclass = rdclass; + + cache->db_type = isc_mem_strdup(mctx, db_type); + if (cache->db_type == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup_filelock; + } + + cache->db_argc = db_argc; + if (cache->db_argc == 0) + cache->db_argv = NULL; + else { + cache->db_argv = isc_mem_get(mctx, + cache->db_argc * sizeof(char *)); + if (cache->db_argv == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup_dbtype; + } + for (i = 0; i < cache->db_argc; i++) + cache->db_argv[i] = NULL; + for (i = 0; i < cache->db_argc; i++) { + cache->db_argv[i] = isc_mem_strdup(mctx, db_argv[i]); + if (cache->db_argv[i] == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup_dbargv; + } + } + } + + cache->db = NULL; + result = cache_create_db(cache, &cache->db); + if (result != ISC_R_SUCCESS) + goto cleanup_dbargv; + + cache->filename = NULL; + + cache->magic = CACHE_MAGIC; + + /* + * RBT-type cache DB has its own mechanism of cache cleaning and doesn't + * need the control of the generic cleaner. + */ + if (strcmp(db_type, "rbt") == 0) + result = cache_cleaner_init(cache, NULL, NULL, &cache->cleaner); + else { + result = cache_cleaner_init(cache, taskmgr, timermgr, + &cache->cleaner); + } + if (result != ISC_R_SUCCESS) + goto cleanup_db; + + *cachep = cache; + return (ISC_R_SUCCESS); cleanup_db: - dns_db_detach(&cache->db); + dns_db_detach(&cache->db); cleanup_dbargv: - for (i = 0; i < cache->db_argc; i++) - if (cache->db_argv[i] != NULL) - isc_mem_free(mctx, cache->db_argv[i]); - if (cache->db_argv != NULL) - isc_mem_put(mctx, cache->db_argv, - cache->db_argc * sizeof(char *)); + for (i = 0; i < cache->db_argc; i++) + if (cache->db_argv[i] != NULL) + isc_mem_free(mctx, cache->db_argv[i]); + if (cache->db_argv != NULL) + isc_mem_put(mctx, cache->db_argv, + cache->db_argc * sizeof(char *)); cleanup_dbtype: - isc_mem_free(mctx, cache->db_type); + isc_mem_free(mctx, cache->db_type); cleanup_filelock: - DESTROYLOCK(&cache->filelock); + DESTROYLOCK(&cache->filelock); cleanup_lock: - DESTROYLOCK(&cache->lock); + DESTROYLOCK(&cache->lock); cleanup_mem: - isc_mem_put(mctx, cache, sizeof(*cache)); - isc_mem_detach(&mctx); - return (result); + isc_mem_put(mctx, cache, sizeof(*cache)); + isc_mem_detach(&mctx); + return (result); } static void cache_free(dns_cache_t *cache) { - isc_mem_t *mctx; - int i; + isc_mem_t *mctx; + int i; - REQUIRE(VALID_CACHE(cache)); - REQUIRE(cache->references == 0); + REQUIRE(VALID_CACHE(cache)); + REQUIRE(cache->references == 0); - isc_mem_setwater(cache->mctx, NULL, NULL, 0, 0); + isc_mem_setwater(cache->mctx, NULL, NULL, 0, 0); - if (cache->cleaner.task != NULL) - isc_task_detach(&cache->cleaner.task); + if (cache->cleaner.task != NULL) + isc_task_detach(&cache->cleaner.task); - DESTROYLOCK(&cache->cleaner.lock); + if (cache->cleaner.overmem_event != NULL) + isc_event_free(&cache->cleaner.overmem_event); - if (cache->filename) { - isc_mem_free(cache->mctx, cache->filename); - cache->filename = NULL; - } + if (cache->cleaner.resched_event != NULL) + isc_event_free(&cache->cleaner.resched_event); - if (cache->db != NULL) - dns_db_detach(&cache->db); + if (cache->cleaner.iterator != NULL) + dns_dbiterator_destroy(&cache->cleaner.iterator); - if (cache->db_argv != NULL) { - for (i = 0; i < cache->db_argc; i++) - if (cache->db_argv[i] != NULL) - isc_mem_free(cache->mctx, cache->db_argv[i]); - isc_mem_put(cache->mctx, cache->db_argv, - cache->db_argc * sizeof(char *)); - } + DESTROYLOCK(&cache->cleaner.lock); - if (cache->db_type != NULL) - isc_mem_free(cache->mctx, cache->db_type); + if (cache->filename) { + isc_mem_free(cache->mctx, cache->filename); + cache->filename = NULL; + } - DESTROYLOCK(&cache->lock); - DESTROYLOCK(&cache->filelock); - cache->magic = 0; - mctx = cache->mctx; - isc_mem_put(cache->mctx, cache, sizeof(*cache)); - isc_mem_detach(&mctx); + if (cache->db != NULL) + dns_db_detach(&cache->db); + + if (cache->db_argv != NULL) { + for (i = 0; i < cache->db_argc; i++) + if (cache->db_argv[i] != NULL) + isc_mem_free(cache->mctx, cache->db_argv[i]); + isc_mem_put(cache->mctx, cache->db_argv, + cache->db_argc * sizeof(char *)); + } + + if (cache->db_type != NULL) + isc_mem_free(cache->mctx, cache->db_type); + + DESTROYLOCK(&cache->lock); + DESTROYLOCK(&cache->filelock); + cache->magic = 0; + mctx = cache->mctx; + isc_mem_put(cache->mctx, cache, sizeof(*cache)); + isc_mem_detach(&mctx); } void dns_cache_attach(dns_cache_t *cache, dns_cache_t **targetp) { - REQUIRE(VALID_CACHE(cache)); - REQUIRE(targetp != NULL && *targetp == NULL); + REQUIRE(VALID_CACHE(cache)); + REQUIRE(targetp != NULL && *targetp == NULL); - LOCK(&cache->lock); - cache->references++; - UNLOCK(&cache->lock); + LOCK(&cache->lock); + cache->references++; + UNLOCK(&cache->lock); - *targetp = cache; + *targetp = cache; } void dns_cache_detach(dns_cache_t **cachep) { - dns_cache_t *cache; - isc_boolean_t free_cache = ISC_FALSE; - - REQUIRE(cachep != NULL); - cache = *cachep; - REQUIRE(VALID_CACHE(cache)); - - LOCK(&cache->lock); - REQUIRE(cache->references > 0); - cache->references--; - if (cache->references == 0) { - cache->cleaner.overmem = ISC_FALSE; - free_cache = ISC_TRUE; - } - - *cachep = NULL; - - if (free_cache) { - /* - * When the cache is shut down, dump it to a file if one is - * specified. - */ - isc_result_t result = dns_cache_dump(cache); - if (result != ISC_R_SUCCESS) - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_CACHE, ISC_LOG_WARNING, - "error dumping cache: %s ", - isc_result_totext(result)); - - /* - * If the cleaner task exists, let it free the cache. - */ - if (cache->live_tasks > 0) { - isc_task_shutdown(cache->cleaner.task); - free_cache = ISC_FALSE; - } - } - - UNLOCK(&cache->lock); - - if (free_cache) - cache_free(cache); + dns_cache_t *cache; + isc_boolean_t free_cache = ISC_FALSE; + + REQUIRE(cachep != NULL); + cache = *cachep; + REQUIRE(VALID_CACHE(cache)); + + LOCK(&cache->lock); + REQUIRE(cache->references > 0); + cache->references--; + if (cache->references == 0) { + cache->cleaner.overmem = ISC_FALSE; + free_cache = ISC_TRUE; + } + + *cachep = NULL; + + if (free_cache) { + /* + * When the cache is shut down, dump it to a file if one is + * specified. + */ + isc_result_t result = dns_cache_dump(cache); + if (result != ISC_R_SUCCESS) + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE, ISC_LOG_WARNING, + "error dumping cache: %s ", + isc_result_totext(result)); + + /* + * If the cleaner task exists, let it free the cache. + */ + if (cache->live_tasks > 0) { + isc_task_shutdown(cache->cleaner.task); + free_cache = ISC_FALSE; + } + } + + UNLOCK(&cache->lock); + + if (free_cache) + cache_free(cache); } void dns_cache_attachdb(dns_cache_t *cache, dns_db_t **dbp) { - REQUIRE(VALID_CACHE(cache)); - REQUIRE(dbp != NULL && *dbp == NULL); - REQUIRE(cache->db != NULL); + REQUIRE(VALID_CACHE(cache)); + REQUIRE(dbp != NULL && *dbp == NULL); + REQUIRE(cache->db != NULL); - LOCK(&cache->lock); - dns_db_attach(cache->db, dbp); - UNLOCK(&cache->lock); + LOCK(&cache->lock); + dns_db_attach(cache->db, dbp); + UNLOCK(&cache->lock); } isc_result_t dns_cache_setfilename(dns_cache_t *cache, const char *filename) { - char *newname; + char *newname; - REQUIRE(VALID_CACHE(cache)); - REQUIRE(filename != NULL); + REQUIRE(VALID_CACHE(cache)); + REQUIRE(filename != NULL); - newname = isc_mem_strdup(cache->mctx, filename); - if (newname == NULL) - return (ISC_R_NOMEMORY); + newname = isc_mem_strdup(cache->mctx, filename); + if (newname == NULL) + return (ISC_R_NOMEMORY); - LOCK(&cache->filelock); - if (cache->filename) - isc_mem_free(cache->mctx, cache->filename); - cache->filename = newname; - UNLOCK(&cache->filelock); + LOCK(&cache->filelock); + if (cache->filename) + isc_mem_free(cache->mctx, cache->filename); + cache->filename = newname; + UNLOCK(&cache->filelock); - return (ISC_R_SUCCESS); + return (ISC_R_SUCCESS); } isc_result_t dns_cache_load(dns_cache_t *cache) { - isc_result_t result; + isc_result_t result; - REQUIRE(VALID_CACHE(cache)); + REQUIRE(VALID_CACHE(cache)); - if (cache->filename == NULL) - return (ISC_R_SUCCESS); + if (cache->filename == NULL) + return (ISC_R_SUCCESS); - LOCK(&cache->filelock); - result = dns_db_load(cache->db, cache->filename); - UNLOCK(&cache->filelock); + LOCK(&cache->filelock); + result = dns_db_load(cache->db, cache->filename); + UNLOCK(&cache->filelock); - return (result); + return (result); } isc_result_t dns_cache_dump(dns_cache_t *cache) { - isc_result_t result; + isc_result_t result; - REQUIRE(VALID_CACHE(cache)); + REQUIRE(VALID_CACHE(cache)); - if (cache->filename == NULL) - return (ISC_R_SUCCESS); + if (cache->filename == NULL) + return (ISC_R_SUCCESS); - LOCK(&cache->filelock); - result = dns_master_dump(cache->mctx, cache->db, NULL, - &dns_master_style_cache, cache->filename); - UNLOCK(&cache->filelock); + LOCK(&cache->filelock); + result = dns_master_dump(cache->mctx, cache->db, NULL, + &dns_master_style_cache, cache->filename); + UNLOCK(&cache->filelock); - return (result); + return (result); } void dns_cache_setcleaninginterval(dns_cache_t *cache, unsigned int t) { - isc_interval_t interval; - isc_result_t result; - - LOCK(&cache->lock); - - /* - * It may be the case that the cache has already shut down. - * If so, it has no timer. - */ - if (cache->cleaner.cleaning_timer == NULL) - goto unlock; - - cache->cleaner.cleaning_interval = t; - - if (t == 0) { - result = isc_timer_reset(cache->cleaner.cleaning_timer, - isc_timertype_inactive, - NULL, NULL, ISC_TRUE); - } else { - isc_interval_set(&interval, cache->cleaner.cleaning_interval, - 0); - result = isc_timer_reset(cache->cleaner.cleaning_timer, - isc_timertype_ticker, - NULL, &interval, ISC_FALSE); - } - if (result != ISC_R_SUCCESS) - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_CACHE, ISC_LOG_WARNING, - "could not set cache cleaning interval: %s", - isc_result_totext(result)); + isc_interval_t interval; + isc_result_t result; + + LOCK(&cache->lock); + + /* + * It may be the case that the cache has already shut down. + * If so, it has no timer. + */ + if (cache->cleaner.cleaning_timer == NULL) + goto unlock; + + cache->cleaner.cleaning_interval = t; + + if (t == 0) { + result = isc_timer_reset(cache->cleaner.cleaning_timer, + isc_timertype_inactive, + NULL, NULL, ISC_TRUE); + } else { + isc_interval_set(&interval, cache->cleaner.cleaning_interval, + 0); + result = isc_timer_reset(cache->cleaner.cleaning_timer, + isc_timertype_ticker, + NULL, &interval, ISC_FALSE); + } + if (result != ISC_R_SUCCESS) + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE, ISC_LOG_WARNING, + "could not set cache cleaning interval: %s", + isc_result_totext(result)); unlock: - UNLOCK(&cache->lock); + UNLOCK(&cache->lock); } /* @@ -545,86 +491,180 @@ dns_cache_setcleaninginterval(dns_cache_t *cache, unsigned int t) { static isc_result_t cache_cleaner_init(dns_cache_t *cache, isc_taskmgr_t *taskmgr, - isc_timermgr_t *timermgr, cache_cleaner_t *cleaner) + isc_timermgr_t *timermgr, cache_cleaner_t *cleaner) { - isc_result_t result; -#ifdef LRU_DEBUG - isc_interval_t interval; -#endif - - result = isc_mutex_init(&cleaner->lock); - if (result != ISC_R_SUCCESS) - goto fail; - - cleaner->increment = DNS_CACHE_CLEANERINCREMENT; - cleaner->state = cleaner_s_idle; - cleaner->cache = cache; - cleaner->overmem = ISC_FALSE; - - cleaner->task = NULL; - cleaner->cleaning_timer = NULL; - - if (taskmgr != NULL && timermgr != NULL) { - result = isc_task_create(taskmgr, 1, &cleaner->task); - if (result != ISC_R_SUCCESS) { - UNEXPECTED_ERROR(__FILE__, __LINE__, - "isc_task_create() failed: %s", - dns_result_totext(result)); - result = ISC_R_UNEXPECTED; - goto cleanup; - } - cleaner->cache->live_tasks++; - isc_task_setname(cleaner->task, "cachecleaner", cleaner); - - result = isc_task_onshutdown(cleaner->task, - cleaner_shutdown_action, cache); - if (result != ISC_R_SUCCESS) { - UNEXPECTED_ERROR(__FILE__, __LINE__, - "cache cleaner: " - "isc_task_onshutdown() failed: %s", - dns_result_totext(result)); - goto cleanup; - } - - cleaner->cleaning_interval = 0; /* Initially turned off. */ - result = isc_timer_create(timermgr, isc_timertype_inactive, - NULL, NULL, - cleaner->task, - cleaning_timer_action, cleaner, - &cleaner->cleaning_timer); - if (result != ISC_R_SUCCESS) { - UNEXPECTED_ERROR(__FILE__, __LINE__, - "isc_timer_create() failed: %s", - dns_result_totext(result)); - result = ISC_R_UNEXPECTED; - goto cleanup; - } - -#ifdef LRU_DEBUG - interval.seconds = DUMP_INTERVAL; - interval.nanoseconds = 0; - RUNTIME_CHECK(isc_time_nowplusinterval(&cache->dump_time, - &interval) == - ISC_R_SUCCESS); - cache->dump_timer = NULL; - result = isc_timer_create(timermgr, isc_timertype_once, - &cache->dump_time, NULL, - cleaner->task, timer_dump, - cache, &cache->dump_timer); - RUNTIME_CHECK(result == ISC_R_SUCCESS); /* for brevity */ -#endif - } - - return (ISC_R_SUCCESS); + isc_result_t result; + + result = isc_mutex_init(&cleaner->lock); + if (result != ISC_R_SUCCESS) + goto fail; + + cleaner->increment = DNS_CACHE_CLEANERINCREMENT; + cleaner->state = cleaner_s_idle; + cleaner->cache = cache; + cleaner->iterator = NULL; + cleaner->overmem = ISC_FALSE; + cleaner->replaceiterator = ISC_FALSE; + + cleaner->task = NULL; + cleaner->cleaning_timer = NULL; + cleaner->resched_event = NULL; + cleaner->overmem_event = NULL; + + result = dns_db_createiterator(cleaner->cache->db, ISC_FALSE, + &cleaner->iterator); + if (result != ISC_R_SUCCESS) + goto cleanup; + + if (taskmgr != NULL && timermgr != NULL) { + result = isc_task_create(taskmgr, 1, &cleaner->task); + if (result != ISC_R_SUCCESS) { + UNEXPECTED_ERROR(__FILE__, __LINE__, + "isc_task_create() failed: %s", + dns_result_totext(result)); + result = ISC_R_UNEXPECTED; + goto cleanup; + } + cleaner->cache->live_tasks++; + isc_task_setname(cleaner->task, "cachecleaner", cleaner); + + result = isc_task_onshutdown(cleaner->task, + cleaner_shutdown_action, cache); + if (result != ISC_R_SUCCESS) { + UNEXPECTED_ERROR(__FILE__, __LINE__, + "cache cleaner: " + "isc_task_onshutdown() failed: %s", + dns_result_totext(result)); + goto cleanup; + } + + cleaner->cleaning_interval = 0; /* Initially turned off. */ + result = isc_timer_create(timermgr, isc_timertype_inactive, + NULL, NULL, cleaner->task, + cleaning_timer_action, cleaner, + &cleaner->cleaning_timer); + if (result != ISC_R_SUCCESS) { + UNEXPECTED_ERROR(__FILE__, __LINE__, + "isc_timer_create() failed: %s", + dns_result_totext(result)); + result = ISC_R_UNEXPECTED; + goto cleanup; + } + + cleaner->resched_event = + isc_event_allocate(cache->mctx, cleaner, + DNS_EVENT_CACHECLEAN, + incremental_cleaning_action, + cleaner, sizeof(isc_event_t)); + if (cleaner->resched_event == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup; + } + + cleaner->overmem_event = + isc_event_allocate(cache->mctx, cleaner, + DNS_EVENT_CACHEOVERMEM, + overmem_cleaning_action, + cleaner, sizeof(isc_event_t)); + if (cleaner->overmem_event == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup; + } + } + + return (ISC_R_SUCCESS); cleanup: - if (cleaner->cleaning_timer != NULL) - isc_timer_detach(&cleaner->cleaning_timer); - if (cleaner->task != NULL) - isc_task_detach(&cleaner->task); - DESTROYLOCK(&cleaner->lock); + if (cleaner->overmem_event != NULL) + isc_event_free(&cleaner->overmem_event); + if (cleaner->resched_event != NULL) + isc_event_free(&cleaner->resched_event); + if (cleaner->cleaning_timer != NULL) + isc_timer_detach(&cleaner->cleaning_timer); + if (cleaner->task != NULL) + isc_task_detach(&cleaner->task); + if (cleaner->iterator != NULL) + dns_dbiterator_destroy(&cleaner->iterator); + DESTROYLOCK(&cleaner->lock); fail: - return (result); + return (result); +} + +static void +begin_cleaning(cache_cleaner_t *cleaner) { + isc_result_t result = ISC_R_SUCCESS; + + REQUIRE(CLEANER_IDLE(cleaner)); + + /* + * Create an iterator, if it does not already exist, and + * position it at the beginning of the cache. + */ + if (cleaner->iterator == NULL) + result = dns_db_createiterator(cleaner->cache->db, ISC_FALSE, + &cleaner->iterator); + if (result != ISC_R_SUCCESS) + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE, ISC_LOG_WARNING, + "cache cleaner could not create " + "iterator: %s", isc_result_totext(result)); + else { + dns_dbiterator_setcleanmode(cleaner->iterator, ISC_TRUE); + result = dns_dbiterator_first(cleaner->iterator); + } + if (result != ISC_R_SUCCESS) { + /* + * If the result is ISC_R_NOMORE, the database is empty, + * so there is nothing to be cleaned. + */ + if (result != ISC_R_NOMORE && cleaner->iterator != NULL) { + UNEXPECTED_ERROR(__FILE__, __LINE__, + "cache cleaner: " + "dns_dbiterator_first() failed: %s", + dns_result_totext(result)); + dns_dbiterator_destroy(&cleaner->iterator); + } else if (cleaner->iterator != NULL) { + result = dns_dbiterator_pause(cleaner->iterator); + RUNTIME_CHECK(result == ISC_R_SUCCESS); + } + } else { + /* + * Pause the iterator to free its lock. + */ + result = dns_dbiterator_pause(cleaner->iterator); + RUNTIME_CHECK(result == ISC_R_SUCCESS); + + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE, ISC_LOG_DEBUG(1), + "begin cache cleaning, mem inuse %lu", + (unsigned long)isc_mem_inuse(cleaner->cache->mctx)); + cleaner->state = cleaner_s_busy; + isc_task_send(cleaner->task, &cleaner->resched_event); + } + + return; +} + +static void +end_cleaning(cache_cleaner_t *cleaner, isc_event_t *event) { + isc_result_t result; + + REQUIRE(CLEANER_BUSY(cleaner)); + REQUIRE(event != NULL); + + result = dns_dbiterator_pause(cleaner->iterator); + if (result != ISC_R_SUCCESS) + dns_dbiterator_destroy(&cleaner->iterator); + + dns_cache_setcleaninginterval(cleaner->cache, + cleaner->cleaning_interval); + + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_CACHE, + ISC_LOG_DEBUG(1), "end cache cleaning, mem inuse %lu", + (unsigned long)isc_mem_inuse(cleaner->cache->mctx)); + + cleaner->state = cleaner_s_idle; + cleaner->resched_event = event; } /* @@ -632,18 +672,183 @@ cache_cleaner_init(dns_cache_t *cache, isc_taskmgr_t *taskmgr, */ static void cleaning_timer_action(isc_task_t *task, isc_event_t *event) { - cache_cleaner_t *cleaner = event->ev_arg; + cache_cleaner_t *cleaner = event->ev_arg; + + UNUSED(task); - UNUSED(task); + INSIST(task == cleaner->task); + INSIST(event->ev_type == ISC_TIMEREVENT_TICK); - INSIST(task == cleaner->task); - INSIST(event->ev_type == ISC_TIMEREVENT_TICK); + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_CACHE, + ISC_LOG_DEBUG(1), "cache cleaning timer fired, " + "cleaner state = %d", cleaner->state); - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_CACHE, - ISC_LOG_DEBUG(1), "cache cleaning timer fired, " - "cleaner state = %d", cleaner->state); + if (cleaner->state == cleaner_s_idle) + begin_cleaning(cleaner); - isc_event_free(&event); + isc_event_free(&event); +} + +/* + * This is called when the cache either surpasses its upper limit + * or shrinks beyond its lower limit. + */ +static void +overmem_cleaning_action(isc_task_t *task, isc_event_t *event) { + cache_cleaner_t *cleaner = event->ev_arg; + isc_boolean_t want_cleaning = ISC_FALSE; + + UNUSED(task); + + INSIST(task == cleaner->task); + INSIST(event->ev_type == DNS_EVENT_CACHEOVERMEM); + INSIST(cleaner->overmem_event == NULL); + + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_CACHE, + ISC_LOG_DEBUG(1), "overmem_cleaning_action called, " + "overmem = %d, state = %d", cleaner->overmem, + cleaner->state); + + LOCK(&cleaner->lock); + + if (cleaner->overmem) { + if (cleaner->state == cleaner_s_idle) + want_cleaning = ISC_TRUE; + } else { + if (cleaner->state == cleaner_s_busy) + /* + * end_cleaning() can't be called here because + * then both cleaner->overmem_event and + * cleaner->resched_event will point to this + * event. Set the state to done, and then + * when the incremental_cleaning_action() event + * is posted, it will handle the end_cleaning. + */ + cleaner->state = cleaner_s_done; + } + + cleaner->overmem_event = event; + + UNLOCK(&cleaner->lock); + + if (want_cleaning) + begin_cleaning(cleaner); +} + +/* + * Do incremental cleaning. + */ +static void +incremental_cleaning_action(isc_task_t *task, isc_event_t *event) { + cache_cleaner_t *cleaner = event->ev_arg; + isc_result_t result; + unsigned int n_names; + isc_time_t start; + + UNUSED(task); + + INSIST(task == cleaner->task); + INSIST(event->ev_type == DNS_EVENT_CACHECLEAN); + + if (cleaner->state == cleaner_s_done) { + cleaner->state = cleaner_s_busy; + end_cleaning(cleaner, event); + LOCK(&cleaner->cache->lock); + LOCK(&cleaner->lock); + if (cleaner->replaceiterator) { + dns_dbiterator_destroy(&cleaner->iterator); + (void) dns_db_createiterator(cleaner->cache->db, + ISC_FALSE, + &cleaner->iterator); + cleaner->replaceiterator = ISC_FALSE; + } + UNLOCK(&cleaner->lock); + UNLOCK(&cleaner->cache->lock); + return; + } + + INSIST(CLEANER_BUSY(cleaner)); + + n_names = cleaner->increment; + + REQUIRE(DNS_DBITERATOR_VALID(cleaner->iterator)); + + isc_time_now(&start); + while (n_names-- > 0) { + dns_dbnode_t *node = NULL; + + result = dns_dbiterator_current(cleaner->iterator, &node, + NULL); + if (result != ISC_R_SUCCESS) { + UNEXPECTED_ERROR(__FILE__, __LINE__, + "cache cleaner: dns_dbiterator_current() " + "failed: %s", dns_result_totext(result)); + + end_cleaning(cleaner, event); + return; + } + + /* + * The node was not needed, but was required by + * dns_dbiterator_current(). Give up its reference. + */ + dns_db_detachnode(cleaner->cache->db, &node); + + /* + * Step to the next node. + */ + result = dns_dbiterator_next(cleaner->iterator); + + if (result != ISC_R_SUCCESS) { + /* + * Either the end was reached (ISC_R_NOMORE) or + * some error was signaled. If the cache is still + * overmem and no error was encountered, + * keep trying to clean it, otherwise stop cleaning. + */ + if (result != ISC_R_NOMORE) + UNEXPECTED_ERROR(__FILE__, __LINE__, + "cache cleaner: " + "dns_dbiterator_next() " + "failed: %s", + dns_result_totext(result)); + else if (cleaner->overmem) { + result = dns_dbiterator_first(cleaner-> + iterator); + if (result == ISC_R_SUCCESS) { + isc_log_write(dns_lctx, + DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE, + ISC_LOG_DEBUG(1), + "cache cleaner: " + "still overmem, " + "reset and try again"); + continue; + } + } + + end_cleaning(cleaner, event); + return; + } + } + + /* + * We have successfully performed a cleaning increment but have + * not gone through the entire cache. Free the iterator locks + * and reschedule another batch. If it fails, just try to continue + * anyway. + */ + result = dns_dbiterator_pause(cleaner->iterator); + RUNTIME_CHECK(result == ISC_R_SUCCESS); + + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_CACHE, + ISC_LOG_DEBUG(1), "cache cleaner: checked %u nodes, " + "mem inuse %lu, sleeping", cleaner->increment, + (unsigned long)isc_mem_inuse(cleaner->cache->mctx)); + + isc_task_send(task, &event); + INSIST(CLEANER_BUSY(cleaner)); + return; } /* @@ -651,104 +856,111 @@ cleaning_timer_action(isc_task_t *task, isc_event_t *event) { */ isc_result_t dns_cache_clean(dns_cache_t *cache, isc_stdtime_t now) { - isc_result_t result; - dns_dbiterator_t *iterator = NULL; - - REQUIRE(VALID_CACHE(cache)); - - result = dns_db_createiterator(cache->db, ISC_FALSE, &iterator); - if (result != ISC_R_SUCCESS) - return result; - - result = dns_dbiterator_first(iterator); - - while (result == ISC_R_SUCCESS) { - dns_dbnode_t *node = NULL; - result = dns_dbiterator_current(iterator, &node, - (dns_name_t *)NULL); - if (result != ISC_R_SUCCESS) - break; - - /* - * Check TTLs, mark expired rdatasets stale. - */ - result = dns_db_expirenode(cache->db, node, now); - if (result != ISC_R_SUCCESS) { - UNEXPECTED_ERROR(__FILE__, __LINE__, - "cache cleaner: dns_db_expirenode() " - "failed: %s", - dns_result_totext(result)); - /* - * Continue anyway. - */ - } - - /* - * This is where the actual freeing takes place. - */ - dns_db_detachnode(cache->db, &node); - - result = dns_dbiterator_next(iterator); - } - - dns_dbiterator_destroy(&iterator); - - if (result == ISC_R_NOMORE) - result = ISC_R_SUCCESS; - - return (result); + isc_result_t result; + dns_dbiterator_t *iterator = NULL; + + REQUIRE(VALID_CACHE(cache)); + + result = dns_db_createiterator(cache->db, ISC_FALSE, &iterator); + if (result != ISC_R_SUCCESS) + return result; + + result = dns_dbiterator_first(iterator); + + while (result == ISC_R_SUCCESS) { + dns_dbnode_t *node = NULL; + result = dns_dbiterator_current(iterator, &node, + (dns_name_t *)NULL); + if (result != ISC_R_SUCCESS) + break; + + /* + * Check TTLs, mark expired rdatasets stale. + */ + result = dns_db_expirenode(cache->db, node, now); + if (result != ISC_R_SUCCESS) { + UNEXPECTED_ERROR(__FILE__, __LINE__, + "cache cleaner: dns_db_expirenode() " + "failed: %s", + dns_result_totext(result)); + /* + * Continue anyway. + */ + } + + /* + * This is where the actual freeing takes place. + */ + dns_db_detachnode(cache->db, &node); + + result = dns_dbiterator_next(iterator); + } + + dns_dbiterator_destroy(&iterator); + + if (result == ISC_R_NOMORE) + result = ISC_R_SUCCESS; + + return (result); } static void water(void *arg, int mark) { - dns_cache_t *cache = arg; - isc_boolean_t overmem = ISC_TF(mark == ISC_MEM_HIWATER); + dns_cache_t *cache = arg; + isc_boolean_t overmem = ISC_TF(mark == ISC_MEM_HIWATER); + + REQUIRE(VALID_CACHE(cache)); - REQUIRE(VALID_CACHE(cache)); + LOCK(&cache->cleaner.lock); - LOCK(&cache->cleaner.lock); + if (overmem != cache->cleaner.overmem) { + dns_db_overmem(cache->db, overmem); + cache->cleaner.overmem = overmem; + isc_mem_waterack(cache->mctx, mark); + } - dns_db_overmem(cache->db, overmem); - cache->cleaner.overmem = overmem; + if (cache->cleaner.overmem_event != NULL) + isc_task_send(cache->cleaner.task, + &cache->cleaner.overmem_event); - UNLOCK(&cache->cleaner.lock); + UNLOCK(&cache->cleaner.lock); } void dns_cache_setcachesize(dns_cache_t *cache, isc_uint32_t size) { - isc_uint32_t lowater; - isc_uint32_t hiwater; - - REQUIRE(VALID_CACHE(cache)); - - /* - * Impose a minumum cache size; pathological things happen if there - * is too little room. - */ - if (size != 0 && size < DNS_CACHE_MINSIZE) - size = DNS_CACHE_MINSIZE; - - hiwater = size - (size >> 3); /* Approximately 7/8ths. */ - lowater = size - (size >> 2); /* Approximately 3/4ths. */ - - /* - * If the cache was overmem and cleaning, but now with the new limits - * it is no longer in an overmem condition, then the next - * isc_mem_put for cache memory will do the right thing and trigger - * water(). - */ - - if (size == 0 || hiwater == 0 || lowater == 0) - /* - * Disable cache memory limiting. - */ - isc_mem_setwater(cache->mctx, water, cache, 0, 0); - else - /* - * Establish new cache memory limits (either for the first - * time, or replacing other limits). - */ - isc_mem_setwater(cache->mctx, water, cache, hiwater, lowater); + isc_uint32_t lowater; + isc_uint32_t hiwater; + + REQUIRE(VALID_CACHE(cache)); + + /* + * Impose a minumum cache size; pathological things happen if there + * is too little room. + */ + if (size != 0 && size < DNS_CACHE_MINSIZE) + size = DNS_CACHE_MINSIZE; + + hiwater = size - (size >> 3); /* Approximately 7/8ths. */ + lowater = size - (size >> 2); /* Approximately 3/4ths. */ + + /* + * If the cache was overmem and cleaning, but now with the new limits + * it is no longer in an overmem condition, then the next + * isc_mem_put for cache memory will do the right thing and trigger + * water(). + */ + + if (size == 0 || hiwater == 0 || lowater == 0) + /* + * Disable cache memory limiting. + */ + isc_mem_setwater(cache->mctx, water, cache, 0, 0); + else + /* + * Establish new cache memory limits (either for the first + * time, or replacing other limits). + */ + isc_mem_setwater(cache->mctx, water, cache, hiwater, lowater); } /* @@ -756,148 +968,122 @@ dns_cache_setcachesize(dns_cache_t *cache, isc_uint32_t size) { */ static void cleaner_shutdown_action(isc_task_t *task, isc_event_t *event) { - dns_cache_t *cache = event->ev_arg; - isc_boolean_t should_free = ISC_FALSE; + dns_cache_t *cache = event->ev_arg; + isc_boolean_t should_free = ISC_FALSE; - UNUSED(task); + UNUSED(task); - INSIST(task == cache->cleaner.task); - INSIST(event->ev_type == ISC_TASKEVENT_SHUTDOWN); + INSIST(task == cache->cleaner.task); + INSIST(event->ev_type == ISC_TASKEVENT_SHUTDOWN); - LOCK(&cache->lock); + if (CLEANER_BUSY(&cache->cleaner)) + end_cleaning(&cache->cleaner, event); + else + isc_event_free(&event); - cache->live_tasks--; - INSIST(cache->live_tasks == 0); + LOCK(&cache->lock); - if (cache->references == 0) - should_free = ISC_TRUE; + cache->live_tasks--; + INSIST(cache->live_tasks == 0); - /* - * By detaching the timer in the context of its task, - * we are guaranteed that there will be no further timer - * events. - */ - if (cache->cleaner.cleaning_timer != NULL) - isc_timer_detach(&cache->cleaner.cleaning_timer); + if (cache->references == 0) + should_free = ISC_TRUE; -#ifdef LRU_DEBUG - isc_timer_detach(&cache->dump_timer); -#endif + /* + * By detaching the timer in the context of its task, + * we are guaranteed that there will be no further timer + * events. + */ + if (cache->cleaner.cleaning_timer != NULL) + isc_timer_detach(&cache->cleaner.cleaning_timer); - /* Make sure we don't reschedule anymore. */ - (void)isc_task_purge(task, NULL, DNS_EVENT_CACHECLEAN, NULL); + /* Make sure we don't reschedule anymore. */ + (void)isc_task_purge(task, NULL, DNS_EVENT_CACHECLEAN, NULL); - UNLOCK(&cache->lock); + UNLOCK(&cache->lock); - if (should_free) - cache_free(cache); - - isc_event_free(&event); + if (should_free) + cache_free(cache); } isc_result_t dns_cache_flush(dns_cache_t *cache) { - dns_db_t *db = NULL; - isc_result_t result; - - result = cache_create_db(cache, &db); - if (result != ISC_R_SUCCESS) - return (result); - - LOCK(&cache->lock); - LOCK(&cache->cleaner.lock); - if (cache->cleaner.state == cleaner_s_idle) { - /* XXXMLG do something */ - } else if (cache->cleaner.state == cleaner_s_busy) { - /* XXXMLG do something else */ - } - dns_db_detach(&cache->db); - cache->db = db; - UNLOCK(&cache->cleaner.lock); - UNLOCK(&cache->lock); - - return (ISC_R_SUCCESS); + dns_db_t *db = NULL; + isc_result_t result; + + result = cache_create_db(cache, &db); + if (result != ISC_R_SUCCESS) + return (result); + + LOCK(&cache->lock); + LOCK(&cache->cleaner.lock); + if (cache->cleaner.state == cleaner_s_idle) { + if (cache->cleaner.iterator != NULL) + dns_dbiterator_destroy(&cache->cleaner.iterator); + (void) dns_db_createiterator(db, ISC_FALSE, + &cache->cleaner.iterator); + } else { + if (cache->cleaner.state == cleaner_s_busy) + cache->cleaner.state = cleaner_s_done; + cache->cleaner.replaceiterator = ISC_TRUE; + } + dns_db_detach(&cache->db); + cache->db = db; + UNLOCK(&cache->cleaner.lock); + UNLOCK(&cache->lock); + + return (ISC_R_SUCCESS); } isc_result_t dns_cache_flushname(dns_cache_t *cache, dns_name_t *name) { - isc_result_t result; - dns_rdatasetiter_t *iter = NULL; - dns_dbnode_t *node = NULL; - dns_db_t *db = NULL; - - LOCK(&cache->lock); - if (cache->db != NULL) - dns_db_attach(cache->db, &db); - UNLOCK(&cache->lock); - if (db == NULL) - return (ISC_R_SUCCESS); - result = dns_db_findnode(cache->db, name, ISC_FALSE, &node); - if (result == ISC_R_NOTFOUND) { - result = ISC_R_SUCCESS; - goto cleanup_db; - } - if (result != ISC_R_SUCCESS) - goto cleanup_db; - - result = dns_db_allrdatasets(cache->db, node, NULL, - (isc_stdtime_t)0, &iter); - if (result != ISC_R_SUCCESS) - goto cleanup_node; - - for (result = dns_rdatasetiter_first(iter); - result == ISC_R_SUCCESS; - result = dns_rdatasetiter_next(iter)) - { - dns_rdataset_t rdataset; - dns_rdataset_init(&rdataset); - - dns_rdatasetiter_current(iter, &rdataset); - result = dns_db_deleterdataset(cache->db, node, NULL, - rdataset.type, rdataset.covers); - dns_rdataset_disassociate(&rdataset); - if (result != ISC_R_SUCCESS && result != DNS_R_UNCHANGED) - break; - } - if (result == ISC_R_NOMORE) - result = ISC_R_SUCCESS; - - dns_rdatasetiter_destroy(&iter); + isc_result_t result; + dns_rdatasetiter_t *iter = NULL; + dns_dbnode_t *node = NULL; + dns_db_t *db = NULL; + + LOCK(&cache->lock); + if (cache->db != NULL) + dns_db_attach(cache->db, &db); + UNLOCK(&cache->lock); + if (db == NULL) + return (ISC_R_SUCCESS); + result = dns_db_findnode(cache->db, name, ISC_FALSE, &node); + if (result == ISC_R_NOTFOUND) { + result = ISC_R_SUCCESS; + goto cleanup_db; + } + if (result != ISC_R_SUCCESS) + goto cleanup_db; + + result = dns_db_allrdatasets(cache->db, node, NULL, + (isc_stdtime_t)0, &iter); + if (result != ISC_R_SUCCESS) + goto cleanup_node; + + for (result = dns_rdatasetiter_first(iter); + result == ISC_R_SUCCESS; + result = dns_rdatasetiter_next(iter)) + { + dns_rdataset_t rdataset; + dns_rdataset_init(&rdataset); + + dns_rdatasetiter_current(iter, &rdataset); + result = dns_db_deleterdataset(cache->db, node, NULL, + rdataset.type, rdataset.covers); + dns_rdataset_disassociate(&rdataset); + if (result != ISC_R_SUCCESS && result != DNS_R_UNCHANGED) + break; + } + if (result == ISC_R_NOMORE) + result = ISC_R_SUCCESS; + + dns_rdatasetiter_destroy(&iter); cleanup_node: - dns_db_detachnode(cache->db, &node); + dns_db_detachnode(cache->db, &node); cleanup_db: - dns_db_detach(&db); - return (result); -} - -#ifdef LRU_DEBUG -static void -timer_dump(isc_task_t *task, isc_event_t *event) { - dns_cache_t *cache; - isc_interval_t interval; - isc_time_t nexttime; - - UNUSED(task); - - cache = event->ev_arg; - INSIST(VALID_CACHE(cache)); - -#ifdef LRU_DEBUG - /* XXX: abuse existing overmem method */ - dns_db_overmem(cache->db, (isc_boolean_t)-1); -#endif - - interval.seconds = DUMP_INTERVAL; - interval.nanoseconds = 0; - - RUNTIME_CHECK(isc_time_add(&cache->dump_time, &interval, &nexttime) == - ISC_R_SUCCESS); /* XXX: this is not always true */ - cache->dump_time = nexttime; - (void)isc_timer_reset(cache->dump_timer, isc_timertype_once, - &cache->dump_time, NULL, ISC_FALSE); - - isc_event_free(&event); + dns_db_detach(&db); + return (result); } -#endif diff --git a/lib/dns/db.c b/lib/dns/db.c index 64327651..67be11c1 100644 --- a/lib/dns/db.c +++ b/lib/dns/db.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: db.c,v 1.83 2007/06/18 23:47:40 tbox Exp $ */ +/* $Id: db.c,v 1.83.128.2 2008/04/03 06:20:34 tbox Exp $ */ /*! \file */ @@ -95,7 +95,7 @@ static inline dns_dbimplementation_t * impfind(const char *name) { dns_dbimplementation_t *imp; - for (imp = ISC_LIST_HEAD(implementations); + for (imp = ISC_LIST_HEAD(implementations); imp != NULL; imp = ISC_LIST_NEXT(imp, link)) if (strcasecmp(name, imp->name) == 0) @@ -543,10 +543,10 @@ dns_db_transfernode(dns_db_t *db, dns_dbnode_t **sourcep, UNUSED(db); if (db->methods->transfernode == NULL) { - *targetp = *sourcep; - *sourcep = NULL; + *targetp = *sourcep; + *sourcep = NULL; } else - (db->methods->transfernode)(db, sourcep, targetp); + (db->methods->transfernode)(db, sourcep, targetp); ENSURE(*sourcep == NULL); } @@ -711,7 +711,7 @@ dns_db_deleterdataset(dns_db_t *db, dns_dbnode_t *node, type, covers)); } -void +void dns_db_overmem(dns_db_t *db, isc_boolean_t overmem) { REQUIRE(DNS_DB_VALID(db)); @@ -737,11 +737,11 @@ dns_db_getsoaserial(dns_db_t *db, dns_dbversion_t *ver, isc_uint32_t *serialp) dns_rdataset_init(&rdataset); result = dns_db_findrdataset(db, node, ver, dns_rdatatype_soa, 0, (isc_stdtime_t)0, &rdataset, NULL); - if (result != ISC_R_SUCCESS) + if (result != ISC_R_SUCCESS) goto freenode; result = dns_rdataset_first(&rdataset); - if (result != ISC_R_SUCCESS) + if (result != ISC_R_SUCCESS) goto freerdataset; dns_rdataset_current(&rdataset, &rdata); result = dns_rdataset_next(&rdataset); @@ -794,7 +794,7 @@ dns_db_register(const char *name, dns_dbcreatefunc_t create, void *driverarg, RWUNLOCK(&implock, isc_rwlocktype_write); return (ISC_R_EXISTS); } - + imp = isc_mem_get(mctx, sizeof(dns_dbimplementation_t)); if (imp == NULL) { RWUNLOCK(&implock, isc_rwlocktype_write); @@ -832,6 +832,16 @@ dns_db_unregister(dns_dbimplementation_t **dbimp) { RWUNLOCK(&implock, isc_rwlocktype_write); } +dns_stats_t * +dns_db_getrrsetstats(dns_db_t *db) { + REQUIRE(DNS_DB_VALID(db)); + + if (db->methods->getrrsetstats != NULL) + return ((db->methods->getrrsetstats)(db)); + + return (NULL); +} + isc_result_t dns_db_getoriginnode(dns_db_t *db, dns_dbnode_t **nodep) { REQUIRE(DNS_DB_VALID(db)); diff --git a/lib/dns/dispatch.c b/lib/dns/dispatch.c index 07235da8..d8a8b779 100644 --- a/lib/dns/dispatch.c +++ b/lib/dns/dispatch.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dispatch.c,v 1.137 2007/06/27 04:10:44 marka Exp $ */ +/* $Id: dispatch.c,v 1.137.128.3 2008/04/03 06:10:19 marka Exp $ */ /*! \file */ @@ -40,27 +40,29 @@ #include <dns/log.h> #include <dns/message.h> #include <dns/portlist.h> +#include <dns/stats.h> #include <dns/tcpmsg.h> #include <dns/types.h> typedef ISC_LIST(dns_dispentry_t) dns_displist_t; -typedef struct dns_nsid { - isc_uint16_t nsid_state; - isc_uint16_t *nsid_vtable; - isc_uint16_t *nsid_pool; - isc_uint16_t nsid_a1, nsid_a2, nsid_a3; - isc_uint16_t nsid_c1, nsid_c2, nsid_c3; - isc_uint16_t nsid_state2; - isc_boolean_t nsid_usepool; -} dns_nsid_t; +/* transaction ID */ +typedef struct dns_tid { + isc_uint16_t tid_state; + isc_uint16_t *tid_vtable; + isc_uint16_t *tid_pool; + isc_uint16_t tid_a1, tid_a2, tid_a3; + isc_uint16_t tid_c1, tid_c2, tid_c3; + isc_uint16_t tid_state2; + isc_boolean_t tid_usepool; +} dns_tid_t; typedef struct dns_qid { unsigned int magic; unsigned int qid_nbuckets; /*%< hash table size */ unsigned int qid_increment; /*%< id increment on collision */ isc_mutex_t lock; - dns_nsid_t nsid; + dns_tid_t tid; dns_displist_t *qid_table; /*%< the table itself */ } dns_qid_t; @@ -70,6 +72,7 @@ struct dns_dispatchmgr { isc_mem_t *mctx; dns_acl_t *blackhole; dns_portlist_t *portlist; + dns_stats_t *stats; /* Locked by "lock". */ isc_mutex_t lock; @@ -169,7 +172,7 @@ static void destroy_disp(isc_task_t *task, isc_event_t *event); static void udp_recv(isc_task_t *, isc_event_t *); static void tcp_recv(isc_task_t *, isc_event_t *); static void startrecv(dns_dispatch_t *); -static dns_messageid_t dns_randomid(dns_nsid_t *); +static dns_messageid_t dns_randomid(dns_tid_t *); static isc_uint32_t dns_hash(dns_qid_t *, isc_sockaddr_t *, dns_messageid_t); static void free_buffer(dns_dispatch_t *disp, void *buf, unsigned int len); static void *allocate_udp_buffer(dns_dispatch_t *disp); @@ -193,9 +196,10 @@ static isc_result_t qid_allocate(dns_dispatchmgr_t *mgr, unsigned int buckets, unsigned int increment, isc_boolean_t usepool, dns_qid_t **qidp); static void qid_destroy(isc_mem_t *mctx, dns_qid_t **qidp); -static isc_uint16_t nsid_next(dns_nsid_t *nsid); -static isc_result_t nsid_init(isc_mem_t *mctx, dns_nsid_t *nsid, isc_boolean_t usepool); -static void nsid_destroy(isc_mem_t *mctx, dns_nsid_t *nsid); +static isc_uint16_t tid_next(dns_tid_t *tid); +static isc_result_t tid_init(isc_mem_t *mctx, dns_tid_t *tid, + isc_boolean_t usepool); +static void tid_destroy(isc_mem_t *mctx, dns_tid_t *tid); #define LVL(x) ISC_LOG_DEBUG(x) @@ -280,10 +284,10 @@ request_log(dns_dispatch_t *disp, dns_dispentry_t *resp, * framework for this purpose. */ static in_port_t -get_randomport(dns_nsid_t *nsid) { +get_randomport(dns_tid_t *tid) { isc_uint16_t p; - p = nsid_next(nsid); + p = tid_next(tid); /* XXX: should the range be configurable? */ return ((in_port_t)(1024 + (p % (65535 - 1024)))); @@ -293,10 +297,10 @@ get_randomport(dns_nsid_t *nsid) { * Return an unpredictable message ID. */ static dns_messageid_t -dns_randomid(dns_nsid_t *nsid) { +dns_randomid(dns_tid_t *tid) { isc_uint32_t id; - id = nsid_next(nsid); + id = tid_next(tid); return ((dns_messageid_t)id); } @@ -596,7 +600,7 @@ udp_recv(isc_task_t *task, isc_event_t *ev_in) { isc_netaddr_fromsockaddr(&netaddr, &ev->address); if (disp->mgr->blackhole != NULL && dns_acl_match(&netaddr, NULL, disp->mgr->blackhole, - NULL, &match, NULL) == ISC_R_SUCCESS && + NULL, &match, NULL) == ISC_R_SUCCESS && match > 0) { if (isc_log_wouldlog(dns_lctx, LVL(10))) { @@ -650,9 +654,11 @@ udp_recv(isc_task_t *task, isc_event_t *ev_in) { bucket, (resp == NULL ? "not found" : "found")); if (resp == NULL) { + dns_generalstats_increment(mgr->stats, + dns_resstatscounter_mismatch); free_buffer(disp, ev->region.base, ev->region.length); goto unlock; - } + } /* * Now that we have the original dispatch the query was sent @@ -662,7 +668,7 @@ udp_recv(isc_task_t *task, isc_event_t *ev_in) { if (disp != resp->disp) { isc_sockaddr_t a1; isc_sockaddr_t a2; - + /* * Check that the socket types and ports match. */ @@ -675,11 +681,11 @@ udp_recv(isc_task_t *task, isc_event_t *ev_in) { /* * If both dispatches are bound to an address then fail as - * the addresses can't be equal (enforced by the IP stack). + * the addresses can't be equal (enforced by the IP stack). * * Note under Linux a packet can be sent out via IPv4 socket * and the response be received via a IPv6 socket. - * + * * Requests sent out via IPv6 should always come back in * via IPv6. */ @@ -800,7 +806,7 @@ tcp_recv(isc_task_t *task, isc_event_t *ev_in) { switch (tcpmsg->result) { case ISC_R_CANCELED: break; - + case ISC_R_EOF: dispatch_log(disp, LVL(90), "shutting down on EOF"); do_cancel(disp); @@ -1054,6 +1060,9 @@ destroy_mgr(dns_dispatchmgr_t **mgrp) { if (mgr->portlist != NULL) dns_portlist_detach(&mgr->portlist); + if (mgr->stats != NULL) + dns_stats_detach(&mgr->stats); + isc_mem_put(mctx, mgr, sizeof(dns_dispatchmgr_t)); isc_mem_detach(&mctx); } @@ -1108,6 +1117,7 @@ dns_dispatchmgr_create(isc_mem_t *mctx, isc_entropy_t *entropy, mgr->blackhole = NULL; mgr->portlist = NULL; + mgr->stats = NULL; result = isc_mutex_init(&mgr->lock); if (result != ISC_R_SUCCESS) @@ -1303,6 +1313,15 @@ dns_dispatchmgr_destroy(dns_dispatchmgr_t **mgrp) { destroy_mgr(&mgr); } +void +dns_dispatchmgr_setstats(dns_dispatchmgr_t *mgr, dns_stats_t *stats) { + REQUIRE(VALID_DISPATCHMGR(mgr)); + REQUIRE(ISC_LIST_EMPTY(mgr->list)); + REQUIRE(mgr->stats == NULL); + + dns_stats_attach(stats, &mgr->stats); +} + static isc_boolean_t blacklisted(dns_dispatchmgr_t *mgr, isc_socket_t *sock, isc_sockaddr_t *sockaddrp) @@ -1439,7 +1458,7 @@ qid_allocate(dns_dispatchmgr_t *mgr, unsigned int buckets, return (ISC_R_NOMEMORY); } - result = nsid_init(mgr->mctx, &qid->nsid, usepool); + result = tid_init(mgr->mctx, &qid->tid, usepool); if (result != ISC_R_SUCCESS) { isc_mem_put(mgr->mctx, qid->qid_table, buckets * sizeof(dns_displist_t)); @@ -1449,7 +1468,7 @@ qid_allocate(dns_dispatchmgr_t *mgr, unsigned int buckets, result = isc_mutex_init(&qid->lock); if (result != ISC_R_SUCCESS) { - nsid_destroy(mgr->mctx, &qid->nsid); + tid_destroy(mgr->mctx, &qid->tid); isc_mem_put(mgr->mctx, qid->qid_table, buckets * sizeof(dns_displist_t)); isc_mem_put(mgr->mctx, qid, sizeof(*qid)); @@ -1477,7 +1496,7 @@ qid_destroy(isc_mem_t *mctx, dns_qid_t **qidp) { *qidp = NULL; qid->magic = 0; - nsid_destroy(mctx, &qid->nsid); + tid_destroy(mctx, &qid->tid); isc_mem_put(mctx, qid->qid_table, qid->qid_nbuckets * sizeof(dns_displist_t)); DESTROYLOCK(&qid->lock); @@ -1795,7 +1814,7 @@ dispatch_createudp(dns_dispatchmgr_t *mgr, isc_socketmgr_t *sockmgr, getsocket: if ((attributes & DNS_DISPATCHATTR_RANDOMPORT) != 0) { isc_sockaddr_setport(&localaddr_bound, - get_randomport(&mgr->qid->nsid)); + get_randomport(&mgr->qid->tid)); if (blacklisted(mgr, NULL, &localaddr_bound)) { if (++k == 1024) attributes &= ~DNS_DISPATCHATTR_RANDOMPORT; @@ -1807,7 +1826,7 @@ dispatch_createudp(dns_dispatchmgr_t *mgr, isc_socketmgr_t *sockmgr, attributes &= ~DNS_DISPATCHATTR_RANDOMPORT; goto getsocket; } - } else + } else result = create_socket(sockmgr, localaddr, &sock); if (result != ISC_R_SUCCESS) goto deallocate_dispatch; @@ -1969,7 +1988,7 @@ dns_dispatch_addresponse(dns_dispatch_t *disp, isc_sockaddr_t *dest, */ qid = DNS_QID(disp); LOCK(&qid->lock); - id = dns_randomid(&qid->nsid); + id = dns_randomid(&qid->tid); bucket = dns_hash(qid, dest, id); ok = ISC_FALSE; for (i = 0; i < 64; i++) { @@ -2294,7 +2313,7 @@ dns_dispatch_importrecv(dns_dispatch_t *disp, isc_event_t *event) { newsevent->timestamp = sevent->timestamp; newsevent->pktinfo = sevent->pktinfo; newsevent->attributes = sevent->attributes; - + isc_task_send(disp->task, ISC_EVENT_PTR(&newsevent)); } @@ -2381,26 +2400,26 @@ dns_dispatchmgr_dump(dns_dispatchmgr_t *mgr) { * the pool. */ -#define NSID_SHUFFLE_TABLE_SIZE 100 /* Suggested by Knuth */ +#define TID_SHUFFLE_TABLE_SIZE 100 /* Suggested by Knuth */ /* * Pick one of the next 4096 IDs in the pool. * There is a tradeoff here between randomness and how often and ID is reused. */ -#define NSID_LOOKAHEAD 4096 /* Must be a power of 2 */ -#define NSID_SHUFFLE_ONLY 1 /* algorithm 1 */ -#define NSID_USE_POOL 2 /* algorithm 2 */ -#define NSID_HASHSHIFT 3 -#define NSID_HASHROTATE(v) \ - (((v) << NSID_HASHSHIFT) | ((v) >> ((sizeof(v) * 8) - NSID_HASHSHIFT))) +#define TID_LOOKAHEAD 4096 /* Must be a power of 2 */ +#define TID_SHUFFLE_ONLY 1 /* algorithm 1 */ +#define TID_USE_POOL 2 /* algorithm 2 */ +#define TID_HASHSHIFT 3 +#define TID_HASHROTATE(v) \ + (((v) << TID_HASHSHIFT) | ((v) >> ((sizeof(v) * 8) - TID_HASHSHIFT))) -static isc_uint32_t nsid_hash_state; +static isc_uint32_t tid_hash_state; /* * Keep a running hash of various bits of data that we'll use to * stir the ID pool or perturb the ID generator */ static void -nsid_hash(void *data, size_t len) { +tid_hash(void *data, size_t len) { unsigned char *p = data; /* * Hash function similar to the one we use for hashing names. @@ -2412,12 +2431,12 @@ nsid_hash(void *data, size_t len) { * fast. */ /* - * We don't care about locking access to nsid_hash_state. + * We don't care about locking access to tid_hash_state. * In fact races make the result even more non deteministic. */ while (len-- > 0U) { - nsid_hash_state = NSID_HASHROTATE(nsid_hash_state); - nsid_hash_state += *p++; + tid_hash_state = TID_HASHROTATE(tid_hash_state); + tid_hash_state += *p++; } } @@ -2426,7 +2445,7 @@ nsid_hash(void *data, size_t len) { * in order of increasing serial correlation bounds (so trim from * the end). */ -static const isc_uint16_t nsid_multiplier_table[] = { +static const isc_uint16_t tid_multiplier_table[] = { 17565, 25013, 11733, 19877, 23989, 23997, 24997, 25421, 26781, 27413, 35901, 35917, 35973, 36229, 38317, 38437, 39941, 40493, 41853, 46317, 50581, 51429, 53453, 53805, @@ -2562,159 +2581,168 @@ static const isc_uint16_t nsid_multiplier_table[] = { 10853, 1453, 18069, 21693, 30573, 36261, 37421, 42533 }; -#define NSID_MULT_TABLE_SIZE \ - ((sizeof nsid_multiplier_table)/(sizeof nsid_multiplier_table[0])) -#define NSID_RANGE_MASK (NSID_LOOKAHEAD - 1) -#define NSID_POOL_MASK 0xFFFF /* used to wrap the pool index */ -#define NSID_SHUFFLE_ONLY 1 -#define NSID_USE_POOL 2 +#define TID_MULT_TABLE_SIZE \ + ((sizeof tid_multiplier_table) / \ + (sizeof tid_multiplier_table[0])) +#define TID_RANGE_MASK (TID_LOOKAHEAD - 1) +#define TID_POOL_MASK 0xFFFF /* used to wrap the pool index */ +#define TID_SHUFFLE_ONLY 1 +#define TID_USE_POOL 2 static isc_uint16_t -nsid_next(dns_nsid_t *nsid) { - isc_uint16_t id, compressed_hash; +tid_next(dns_tid_t *tid) { + isc_uint16_t id, compressed_hash; isc_uint16_t j; - compressed_hash = ((nsid_hash_state >> 16) ^ - (nsid_hash_state)) & 0xFFFF; - - if (nsid->nsid_usepool) { - isc_uint16_t pick; - - pick = compressed_hash & NSID_RANGE_MASK; - pick = (nsid->nsid_state + pick) & NSID_POOL_MASK; - id = nsid->nsid_pool[pick]; - if (pick != 0) { - /* Swap two IDs to stir the pool */ - nsid->nsid_pool[pick] = - nsid->nsid_pool[nsid->nsid_state]; - nsid->nsid_pool[nsid->nsid_state] = id; - } - - /* increment the base pointer into the pool */ - if (nsid->nsid_state == 65535) - nsid->nsid_state = 0; - else - nsid->nsid_state++; + compressed_hash = ((tid_hash_state >> 16) ^ + (tid_hash_state)) & 0xFFFF; + + if (tid->tid_usepool) { + isc_uint16_t pick; + + pick = compressed_hash & TID_RANGE_MASK; + pick = (tid->tid_state + pick) & TID_POOL_MASK; + id = tid->tid_pool[pick]; + if (pick != 0) { + /* Swap two IDs to stir the pool */ + tid->tid_pool[pick] = + tid->tid_pool[tid->tid_state]; + tid->tid_pool[tid->tid_state] = id; + } + + /* increment the base pointer into the pool */ + if (tid->tid_state == 65535) + tid->tid_state = 0; + else + tid->tid_state++; } else { /* * This is the original Algorithm B - * j = ((u_long) NSID_SHUFFLE_TABLE_SIZE * nsid_state2) >> 16; + * j = ((u_long) + * QUERID_SHUFFLE_TABLE_SIZE * tid_state2) >> 16; * * We'll perturb it with some random stuff ... */ - j = ((isc_uint32_t) NSID_SHUFFLE_TABLE_SIZE * - (nsid->nsid_state2 ^ compressed_hash)) >> 16; - nsid->nsid_state2 = id = nsid->nsid_vtable[j]; - nsid->nsid_state = (((isc_uint32_t) nsid->nsid_a1 * nsid->nsid_state) + - nsid->nsid_c1) & 0xFFFF; - nsid->nsid_vtable[j] = nsid->nsid_state; + j = ((isc_uint32_t) TID_SHUFFLE_TABLE_SIZE * + (tid->tid_state2 ^ compressed_hash)) >> 16; + tid->tid_state2 = id = tid->tid_vtable[j]; + tid->tid_state = (((isc_uint32_t) tid->tid_a1 * + tid->tid_state) + + tid->tid_c1) & 0xFFFF; + tid->tid_vtable[j] = tid->tid_state; } - /* Now lets obfuscate ... */ - id = (((isc_uint32_t) nsid->nsid_a2 * id) + nsid->nsid_c2) & 0xFFFF; - id = (((isc_uint32_t) nsid->nsid_a3 * id) + nsid->nsid_c3) & 0xFFFF; + /* Now lets obfuscate ... */ + id = (((isc_uint32_t) tid->tid_a2 * id) + + tid->tid_c2) & 0xFFFF; + id = (((isc_uint32_t) tid->tid_a3 * id) + + tid->tid_c3) & 0xFFFF; - return (id); + return (id); } static isc_result_t -nsid_init(isc_mem_t *mctx, dns_nsid_t *nsid, isc_boolean_t usepool) { - isc_time_t now; - pid_t mypid; - isc_uint16_t a1ndx, a2ndx, a3ndx, c1ndx, c2ndx, c3ndx; - int i; +tid_init(isc_mem_t *mctx, dns_tid_t *tid, isc_boolean_t usepool) { + isc_time_t now; + pid_t mypid; + isc_uint16_t a1ndx, a2ndx, a3ndx, c1ndx, c2ndx, c3ndx; + int i; isc_time_now(&now); - mypid = getpid(); - - /* Initialize the state */ - memset(nsid, 0, sizeof(*nsid)); - nsid_hash(&now, sizeof now); - nsid_hash(&mypid, sizeof mypid); - - /* - * Select our random number generators and initial seed. - * We could really use more random bits at this point, - * but we'll try to make a silk purse out of a sows ear ... - */ - /* generator 1 */ - a1ndx = ((isc_uint32_t) NSID_MULT_TABLE_SIZE * - (nsid_hash_state & 0xFFFF)) >> 16; - nsid->nsid_a1 = nsid_multiplier_table[a1ndx]; - c1ndx = (nsid_hash_state >> 9) & 0x7FFF; - nsid->nsid_c1 = 2 * c1ndx + 1; - - /* generator 2, distinct from 1 */ - a2ndx = ((isc_uint32_t) (NSID_MULT_TABLE_SIZE - 1) * - ((nsid_hash_state >> 10) & 0xFFFF)) >> 16; - if (a2ndx >= a1ndx) - a2ndx++; - nsid->nsid_a2 = nsid_multiplier_table[a2ndx]; - c2ndx = nsid_hash_state % 32767; - if (c2ndx >= c1ndx) - c2ndx++; - nsid->nsid_c2 = 2*c2ndx + 1; - - /* generator 3, distinct from 1 and 2 */ - a3ndx = ((isc_uint32_t) (NSID_MULT_TABLE_SIZE - 2) * - ((nsid_hash_state >> 20) & 0xFFFF)) >> 16; - if (a3ndx >= a1ndx || a3ndx >= a2ndx) - a3ndx++; - if (a3ndx >= a1ndx && a3ndx >= a2ndx) - a3ndx++; - nsid->nsid_a3 = nsid_multiplier_table[a3ndx]; - c3ndx = nsid_hash_state % 32766; - if (c3ndx >= c1ndx || c3ndx >= c2ndx) - c3ndx++; - if (c3ndx >= c1ndx && c3ndx >= c2ndx) - c3ndx++; - nsid->nsid_c3 = 2*c3ndx + 1; - - nsid->nsid_state = - ((nsid_hash_state >> 16) ^ (nsid_hash_state)) & 0xFFFF; - - nsid->nsid_usepool = usepool; - if (nsid->nsid_usepool) { - nsid->nsid_pool = isc_mem_get(mctx, 0x10000 * sizeof(isc_uint16_t)); - if (nsid->nsid_pool == NULL) + mypid = getpid(); + + /* Initialize the state */ + memset(tid, 0, sizeof(*tid)); + tid_hash(&now, sizeof now); + tid_hash(&mypid, sizeof mypid); + + /* + * Select our random number generators and initial seed. + * We could really use more random bits at this point, + * but we'll try to make a silk purse out of a sows ear ... + */ + /* generator 1 */ + a1ndx = ((isc_uint32_t) TID_MULT_TABLE_SIZE * + (tid_hash_state & 0xFFFF)) >> 16; + tid->tid_a1 = tid_multiplier_table[a1ndx]; + c1ndx = (tid_hash_state >> 9) & 0x7FFF; + tid->tid_c1 = 2 * c1ndx + 1; + + /* generator 2, distinct from 1 */ + a2ndx = ((isc_uint32_t) (TID_MULT_TABLE_SIZE - 1) * + ((tid_hash_state >> 10) & 0xFFFF)) >> 16; + if (a2ndx >= a1ndx) + a2ndx++; + tid->tid_a2 = tid_multiplier_table[a2ndx]; + c2ndx = tid_hash_state % 32767; + if (c2ndx >= c1ndx) + c2ndx++; + tid->tid_c2 = 2*c2ndx + 1; + + /* generator 3, distinct from 1 and 2 */ + a3ndx = ((isc_uint32_t) (TID_MULT_TABLE_SIZE - 2) * + ((tid_hash_state >> 20) & 0xFFFF)) >> 16; + if (a3ndx >= a1ndx || a3ndx >= a2ndx) + a3ndx++; + if (a3ndx >= a1ndx && a3ndx >= a2ndx) + a3ndx++; + tid->tid_a3 = tid_multiplier_table[a3ndx]; + c3ndx = tid_hash_state % 32766; + if (c3ndx >= c1ndx || c3ndx >= c2ndx) + c3ndx++; + if (c3ndx >= c1ndx && c3ndx >= c2ndx) + c3ndx++; + tid->tid_c3 = 2*c3ndx + 1; + + tid->tid_state = + ((tid_hash_state >> 16) ^ (tid_hash_state)) & 0xFFFF; + + tid->tid_usepool = usepool; + if (tid->tid_usepool) { + tid->tid_pool = isc_mem_get(mctx, + 0x10000 * sizeof(isc_uint16_t)); + if (tid->tid_pool == NULL) return (ISC_R_NOMEMORY); - for (i = 0; ; i++) { - nsid->nsid_pool[i] = nsid->nsid_state; - nsid->nsid_state = - (((u_long) nsid->nsid_a1 * nsid->nsid_state) + - nsid->nsid_c1) & 0xFFFF; - if (i == 0xFFFF) - break; - } + for (i = 0; ; i++) { + tid->tid_pool[i] = tid->tid_state; + tid->tid_state = + (((u_long) tid->tid_a1 * + tid->tid_state) + + tid->tid_c1) & 0xFFFF; + if (i == 0xFFFF) + break; + } } else { - nsid->nsid_vtable = isc_mem_get(mctx, NSID_SHUFFLE_TABLE_SIZE * + tid->tid_vtable = isc_mem_get(mctx, TID_SHUFFLE_TABLE_SIZE * (sizeof(isc_uint16_t)) ); - if (nsid->nsid_vtable == NULL) + if (tid->tid_vtable == NULL) return (ISC_R_NOMEMORY); - for (i = 0; i < NSID_SHUFFLE_TABLE_SIZE; i++) { - nsid->nsid_vtable[i] = nsid->nsid_state; - nsid->nsid_state = - (((isc_uint32_t) nsid->nsid_a1 * nsid->nsid_state) + - nsid->nsid_c1) & 0xFFFF; + for (i = 0; i < TID_SHUFFLE_TABLE_SIZE; i++) { + tid->tid_vtable[i] = tid->tid_state; + tid->tid_state = + (((isc_uint32_t) tid->tid_a1 * + tid->tid_state) + + tid->tid_c1) & 0xFFFF; } - nsid->nsid_state2 = nsid->nsid_state; - } + tid->tid_state2 = tid->tid_state; + } return (ISC_R_SUCCESS); } static void -nsid_destroy(isc_mem_t *mctx, dns_nsid_t *nsid) { - if (nsid->nsid_usepool) - isc_mem_put(mctx, nsid->nsid_pool, +tid_destroy(isc_mem_t *mctx, dns_tid_t *tid) { + if (tid->tid_usepool) + isc_mem_put(mctx, tid->tid_pool, 0x10000 * sizeof(isc_uint16_t)); else - isc_mem_put(mctx, nsid->nsid_vtable, - NSID_SHUFFLE_TABLE_SIZE * (sizeof(isc_uint16_t)) ); - memset(nsid, 0, sizeof(*nsid)); + isc_mem_put(mctx, tid->tid_vtable, + TID_SHUFFLE_TABLE_SIZE * + (sizeof(isc_uint16_t)) ); + memset(tid, 0, sizeof(*tid)); } void dns_dispatch_hash(void *data, size_t len) { - nsid_hash(data, len); + tid_hash(data, len); } diff --git a/lib/dns/dst_api.c b/lib/dns/dst_api.c index 0dfadb48..f36ad205 100644 --- a/lib/dns/dst_api.c +++ b/lib/dns/dst_api.c @@ -1,5 +1,5 @@ /* - * Portions Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Portions Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -31,7 +31,7 @@ /* * Principal Author: Brian Wellington - * $Id: dst_api.c,v 1.11 2007/08/28 07:20:42 tbox Exp $ + * $Id: dst_api.c,v 1.11.92.2 2008/03/31 23:46:42 tbox Exp $ */ /*! \file */ @@ -162,6 +162,7 @@ dst_lib_init(isc_mem_t *mctx, isc_entropy_t *ectx, unsigned int eflags) { NULL, &dst__memory_pool, 0); if (result != ISC_R_SUCCESS) return (result); + isc_mem_setname(dst__memory_pool, "dst", NULL); isc_mem_setdestroycheck(dst__memory_pool, ISC_FALSE); #else isc_mem_attach(mctx, &dst__memory_pool); diff --git a/lib/dns/gssapi_link.c b/lib/dns/gssapi_link.c index b37b39e9..349826ff 100644 --- a/lib/dns/gssapi_link.c +++ b/lib/dns/gssapi_link.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000-2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -16,7 +16,7 @@ */ /* - * $Id: gssapi_link.c,v 1.7 2007/06/19 23:47:16 tbox Exp $ + * $Id: gssapi_link.c,v 1.7.128.3 2008/04/03 06:08:26 tbox Exp $ */ #include <config.h> @@ -174,7 +174,8 @@ gssapi_sign(dst_context_t *dctx, isc_buffer_t *sig) { * allocated space. */ isc_buffer_putmem(sig, gsig.value, gsig.length); - gss_release_buffer(&minor, &gsig); + if (gsig.length != 0) + gss_release_buffer(&minor, &gsig); return (ISC_R_SUCCESS); } @@ -291,6 +292,7 @@ static dst_func_t gssapi_functions = { NULL, /*%< tofile */ NULL, /*%< parse */ NULL, /*%< cleanup */ + NULL }; isc_result_t diff --git a/lib/dns/gssapictx.c b/lib/dns/gssapictx.c index 195a2b63..614d88f7 100644 --- a/lib/dns/gssapictx.c +++ b/lib/dns/gssapictx.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: gssapictx.c,v 1.8.128.2 2008/01/22 23:27:35 tbox Exp $ */ +/* $Id: gssapictx.c,v 1.8.128.4 2008/04/03 06:08:26 tbox Exp $ */ #include <config.h> @@ -175,11 +175,13 @@ log_cred(const gss_cred_id_t cred) { } if (gret == GSS_S_COMPLETE) { - gret = gss_release_buffer(&minor, &gbuffer); - if (gret != GSS_S_COMPLETE) - gss_log(3, "failed gss_release_buffer: %s", - gss_error_tostring(gret, minor, buf, - sizeof(buf))); + if (gbuffer.length != 0) { + gret = gss_release_buffer(&minor, &gbuffer); + if (gret != GSS_S_COMPLETE) + gss_log(3, "failed gss_release_buffer: %s", + gss_error_tostring(gret, minor, buf, + sizeof(buf))); + } } gret = gss_release_name(&minor, &gname); @@ -459,7 +461,7 @@ dst_gssapi_initctx(dns_name_t *name, isc_buffer_t *intoken, isc_buffer_t namebuf; gss_name_t gname; OM_uint32 gret, minor, ret_flags, flags; - gss_buffer_desc gintoken, *gintokenp, gouttoken; + gss_buffer_desc gintoken, *gintokenp, gouttoken = GSS_C_EMPTY_BUFFER; isc_result_t result; gss_buffer_desc gnamebuf; unsigned char array[DNS_NAME_MAXTEXT + 1]; @@ -507,11 +509,15 @@ dst_gssapi_initctx(dns_name_t *name, isc_buffer_t *intoken, * MUTUAL and INTEG flags, fail if either not set. */ - GBUFFER_TO_REGION(gouttoken, r); - RETERR(isc_buffer_copyregion(outtoken, &r)); - + /* + * RFC 2744 states the a valid output token has a non-zero length. + */ + if (gouttoken.length != 0) { + GBUFFER_TO_REGION(gouttoken, r); + RETERR(isc_buffer_copyregion(outtoken, &r)); + (void)gss_release_buffer(&minor, &gouttoken); + } (void)gss_release_name(&minor, &gname); - (void)gss_release_buffer(&minor, &gouttoken); if (gret == GSS_S_COMPLETE) result = ISC_R_SUCCESS; @@ -539,7 +545,8 @@ dst_gssapi_acceptctx(gss_cred_id_t cred, #ifdef GSSAPI isc_region_t r; isc_buffer_t namebuf; - gss_buffer_desc gnamebuf, gintoken, gouttoken; + gss_buffer_desc gnamebuf = GSS_C_EMPTY_BUFFER, gintoken, + gouttoken = GSS_C_EMPTY_BUFFER; OM_uint32 gret, minor; gss_ctx_id_t context = GSS_C_NO_CONTEXT; gss_name_t gname = NULL; @@ -593,6 +600,7 @@ dst_gssapi_acceptctx(gss_cred_id_t cred, RETERR(isc_buffer_allocate(mctx, outtoken, gouttoken.length)); GBUFFER_TO_REGION(gouttoken, r); RETERR(isc_buffer_copyregion(*outtoken, &r)); + (void)gss_release_buffer(&minor, &gouttoken); } if (gret == GSS_S_COMPLETE) { @@ -624,11 +632,13 @@ dst_gssapi_acceptctx(gss_cred_id_t cred, RETERR(dns_name_fromtext(principal, &namebuf, dns_rootname, ISC_FALSE, NULL)); - gret = gss_release_buffer(&minor, &gnamebuf); - if (gret != GSS_S_COMPLETE) - gss_log(3, "failed gss_release_buffer: %s", - gss_error_tostring(gret, minor, buf, - sizeof(buf))); + if (gnamebuf.length != 0) { + gret = gss_release_buffer(&minor, &gnamebuf); + if (gret != GSS_S_COMPLETE) + gss_log(3, "failed gss_release_buffer: %s", + gss_error_tostring(gret, minor, buf, + sizeof(buf))); + } } *ctxout = context; @@ -685,7 +695,8 @@ char * gss_error_tostring(isc_uint32_t major, isc_uint32_t minor, char *buf, size_t buflen) { #ifdef GSSAPI - gss_buffer_desc msg_minor, msg_major; + gss_buffer_desc msg_minor = GSS_C_EMPTY_BUFFER, + msg_major = GSS_C_EMPTY_BUFFER; OM_uint32 msg_ctx, minor_stat; /* Handle major status */ @@ -701,8 +712,10 @@ gss_error_tostring(isc_uint32_t major, isc_uint32_t minor, snprintf(buf, buflen, "GSSAPI error: Major = %s, Minor = %s.", (char *)msg_major.value, (char *)msg_minor.value); - (void)gss_release_buffer(&minor_stat, &msg_major); - (void)gss_release_buffer(&minor_stat, &msg_minor); + if (msg_major.length != 0) + (void)gss_release_buffer(&minor_stat, &msg_major); + if (msg_minor.length != 0) + (void)gss_release_buffer(&minor_stat, &msg_minor); return(buf); #else snprintf(buf, buflen, "GSSAPI error: Major = %u, Minor = %u.", diff --git a/lib/dns/include/dns/adb.h b/lib/dns/include/dns/adb.h index 0e8fc997..eaf2e378 100644 --- a/lib/dns/include/dns/adb.h +++ b/lib/dns/include/dns/adb.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: adb.h,v 1.83 2007/06/19 23:47:16 tbox Exp $ */ +/* $Id: adb.h,v 1.83.128.2 2008/04/03 06:20:34 tbox Exp $ */ #ifndef DNS_ADB_H #define DNS_ADB_H 1 @@ -99,7 +99,7 @@ ISC_LANG_BEGINDECLS typedef struct dns_adbname dns_adbname_t; -/*! +/*! *\brief * Represents a lookup for a single name. * @@ -220,7 +220,7 @@ struct dns_adbaddrinfo { ISC_LINK(dns_adbaddrinfo_t) publink; }; -/*!< +/*!< * The event sent to the caller task is just a plain old isc_event_t. It * contains no data other than a simple status, passed in the "type" field * to indicate that another address resolved, or all partially resolved @@ -520,7 +520,7 @@ void dns_adb_adjustsrtt(dns_adb_t *adb, dns_adbaddrinfo_t *addr, unsigned int rtt, unsigned int factor); /*%< - * Mix the round trip time into the existing smoothed rtt. + * Mix the round trip time into the existing smoothed rtt. * The formula used * (where srtt is the existing rtt value, and rtt and factor are arguments to @@ -623,13 +623,12 @@ void dns_adb_flushname(dns_adb_t *adb, dns_name_t *name); /*%< * Flush 'name' from the adb cache. - * + * * Requires: *\li 'adb' is valid. *\li 'name' is valid. */ - ISC_LANG_ENDDECLS #endif /* DNS_ADB_H */ diff --git a/lib/dns/include/dns/db.h b/lib/dns/include/dns/db.h index fb87cf66..8ea81fd5 100644 --- a/lib/dns/include/dns/db.h +++ b/lib/dns/include/dns/db.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: db.h,v 1.89 2007/06/18 23:47:42 tbox Exp $ */ +/* $Id: db.h,v 1.89.128.2 2008/04/03 06:20:34 tbox Exp $ */ #ifndef DNS_DB_H #define DNS_DB_H 1 @@ -147,7 +147,8 @@ typedef struct dns_dbmethods { void (*settask)(dns_db_t *db, isc_task_t *); isc_result_t (*getoriginnode)(dns_db_t *db, dns_dbnode_t **nodep); void (*transfernode)(dns_db_t *db, dns_dbnode_t **sourcep, - dns_dbnode_t **targetp); + dns_dbnode_t **targetp); + dns_stats_t *(*getrrsetstats)(dns_db_t *db); } dns_dbmethods_t; typedef isc_result_t @@ -155,7 +156,7 @@ typedef isc_result_t dns_dbtype_t type, dns_rdataclass_t rdclass, unsigned int argc, char *argv[], void *driverarg, dns_db_t **dbp); - + #define DNS_DB_MAGIC ISC_MAGIC('D','N','S','D') #define DNS_DB_VALID(db) ISC_MAGIC_VALID(db, DNS_DB_MAGIC) @@ -788,7 +789,7 @@ dns_db_find(dns_db_t *db, dns_name_t *name, dns_dbversion_t *version, * the negative caching proof. * * \li #DNS_R_EMPTYNAME The name exists but there is - * no data at the name. + * no data at the name. * * \li #DNS_R_COVERINGNSEC The returned data is a NSEC * that potentially covers 'name'. @@ -886,8 +887,8 @@ dns_db_detachnode(dns_db_t *db, dns_dbnode_t **nodep); */ void -dns_db_transfernode(dns_db_t *db, dns_dbnode_t **sourcep, - dns_dbnode_t **targetp); +dns_db_transfernode(dns_db_t *db, dns_dbnode_t **sourcep, + dns_dbnode_t **targetp); /*%< * Transfer a node between pointer. * @@ -1317,6 +1318,21 @@ dns_db_getoriginnode(dns_db_t *db, dns_dbnode_t **nodep); * \li #ISC_R_NOTFOUND - the DB implementation does not support this feature. */ +dns_stats_t * +dns_db_getrrsetstats(dns_db_t *db); +/*%< + * Get statistics information counting RRsets stored in the DB, when available. + * The statistics may not be available depending on the DB implementation. + * + * Requires: + * + * \li 'db' is a valid database (zone or cache). + * + * Returns: + * \li when available, a pointer to a statistics object created by + * dns_rdatasetstats_create(); otherwise NULL. + */ + ISC_LANG_ENDDECLS #endif /* DNS_DB_H */ diff --git a/lib/dns/include/dns/dispatch.h b/lib/dns/include/dns/dispatch.h index 71922d77..9ed8a464 100644 --- a/lib/dns/include/dns/dispatch.h +++ b/lib/dns/include/dns/dispatch.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dispatch.h,v 1.56 2007/06/26 02:52:15 marka Exp $ */ +/* $Id: dispatch.h,v 1.56.128.2 2008/04/03 06:20:34 tbox Exp $ */ #ifndef DNS_DISPATCH_H #define DNS_DISPATCH_H 1 @@ -187,7 +187,7 @@ dns_dispatchmgr_getblackhole(dns_dispatchmgr_t *mgr); void dns_dispatchmgr_setblackportlist(dns_dispatchmgr_t *mgr, - dns_portlist_t *portlist); + dns_portlist_t *portlist); /*%< * Sets a list of UDP ports that won't be used when creating a udp * dispatch with a wildcard port. @@ -206,7 +206,20 @@ dns_dispatchmgr_getblackportlist(dns_dispatchmgr_t *mgr); *\li mgr is a valid dispatchmgr */ - +void +dns_dispatchmgr_setstats(dns_dispatchmgr_t *mgr, dns_stats_t *stats); +/*%< + * Sets statistics counter for the dispatchmgr. This function is expected to + * be called only on zone creation (when necessary). + * Once installed, it cannot be removed or replaced. Also, there is no + * interface to get the installed stats from the zone; the caller must keep the + * stats to reference (e.g. dump) it later. + * + * Requires: + *\li mgr is a valid dispatchmgr with no managed dispatch. + *\li stats is a valid statistics supporting resolver statistics counters + * (see dns/stats.h). + */ isc_result_t dns_dispatch_getudp(dns_dispatchmgr_t *mgr, isc_socketmgr_t *sockmgr, @@ -367,7 +380,7 @@ dns_dispatch_removeresponse(dns_dispentry_t **resp, *\li "resp" != NULL and "*resp" contain a value previously allocated * by dns_dispatch_addresponse(); * - *\li May only be called from within the task given as the 'task' + *\li May only be called from within the task given as the 'task' * argument to dns_dispatch_addresponse() when allocating '*resp'. */ @@ -384,7 +397,7 @@ dns_dispatch_getsocket(dns_dispatch_t *disp); *\li The socket the dispatcher is using. */ -isc_result_t +isc_result_t dns_dispatch_getlocaladdress(dns_dispatch_t *disp, isc_sockaddr_t *addrp); /*%< * Return the local address for this dispatch. @@ -395,7 +408,7 @@ dns_dispatch_getlocaladdress(dns_dispatch_t *disp, isc_sockaddr_t *addrp); *\li addrp to be non null. * * Returns: - *\li ISC_R_SUCCESS + *\li ISC_R_SUCCESS *\li ISC_R_NOTIMPLEMENTED */ @@ -421,7 +434,7 @@ dns_dispatch_changeattributes(dns_dispatch_t *disp, * new = (old & ~mask) | (attributes & mask) * \endcode * - * This function has a side effect when #DNS_DISPATCHATTR_NOLISTEN changes. + * This function has a side effect when #DNS_DISPATCHATTR_NOLISTEN changes. * When the flag becomes off, the dispatch will start receiving on the * corresponding socket. When the flag becomes on, receive events on the * corresponding socket will be canceled. diff --git a/lib/dns/include/dns/message.h b/lib/dns/include/dns/message.h index 2d487fa1..99716a35 100644 --- a/lib/dns/include/dns/message.h +++ b/lib/dns/include/dns/message.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: message.h,v 1.123 2007/06/19 23:47:17 tbox Exp $ */ +/* $Id: message.h,v 1.123.128.2 2008/04/03 06:08:27 tbox Exp $ */ #ifndef DNS_MESSAGE_H #define DNS_MESSAGE_H 1 @@ -101,8 +101,12 @@ #define DNS_MESSAGEFLAG_AD 0x0020U #define DNS_MESSAGEFLAG_CD 0x0010U +/*%< EDNS0 extended message flags */ #define DNS_MESSAGEEXTFLAG_DO 0x8000U +/*%< EDNS0 extended OPT codes */ +#define DNS_OPT_NSID 0x0003 /*%< NSID opt code */ + #define DNS_MESSAGE_REPLYPRESERVE (DNS_MESSAGEFLAG_RD|DNS_MESSAGEFLAG_CD) #define DNS_MESSAGEEXTFLAG_REPLYPRESERVE (DNS_MESSAGEEXTFLAG_DO) @@ -771,7 +775,7 @@ dns_message_addname(dns_message_t *msg, dns_name_t *name, void dns_message_removename(dns_message_t *msg, dns_name_t *name, - dns_section_t section); + dns_section_t section); /*%< * Remove a existing name from a given section. * @@ -1031,7 +1035,7 @@ dns_message_setopt(dns_message_t *msg, dns_rdataset_t *opt); *\li The OPT record has either been freed or ownership of it has * been transferred to the message. * - *\li If ISC_R_SUCCESS was returned, the OPT record will be rendered + *\li If ISC_R_SUCCESS was returned, the OPT record will be rendered * when dns_message_renderend() is called. * * Returns: @@ -1315,7 +1319,7 @@ dns_message_setsortorder(dns_message_t *msg, dns_rdatasetorderfunc_t order, *\li order_arg is NULL if and only if order is NULL. */ -void +void dns_message_settimeadjust(dns_message_t *msg, int timeadjust); /*%< * Adjust the time used to sign/verify a message by timeadjust. @@ -1325,7 +1329,7 @@ dns_message_settimeadjust(dns_message_t *msg, int timeadjust); *\li msg be a valid message. */ -int +int dns_message_gettimeadjust(dns_message_t *msg); /*%< * Return the current time adjustment. diff --git a/lib/dns/include/dns/peer.h b/lib/dns/include/dns/peer.h index a28c55e5..0975a1af 100644 --- a/lib/dns/include/dns/peer.h +++ b/lib/dns/include/dns/peer.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000, 2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: peer.h,v 1.31 2007/06/19 23:47:17 tbox Exp $ */ +/* $Id: peer.h,v 1.31.128.2 2008/04/03 06:08:27 tbox Exp $ */ #ifndef DNS_PEER_H #define DNS_PEER_H 1 @@ -73,10 +73,11 @@ struct dns_peer { isc_boolean_t provide_ixfr; isc_boolean_t request_ixfr; isc_boolean_t support_edns; + isc_boolean_t request_nsid; dns_name_t *key; isc_sockaddr_t *transfer_source; - isc_sockaddr_t *notify_source; - isc_sockaddr_t *query_source; + isc_sockaddr_t *notify_source; + isc_sockaddr_t *query_source; isc_uint16_t udpsize; /* recieve size */ isc_uint16_t maxudp; /* transmit size */ @@ -150,6 +151,12 @@ isc_result_t dns_peer_getprovideixfr(dns_peer_t *peer, isc_boolean_t *retval); isc_result_t +dns_peer_setrequestnsid(dns_peer_t *peer, isc_boolean_t newval); + +isc_result_t +dns_peer_getrequestnsid(dns_peer_t *peer, isc_boolean_t *retval); + +isc_result_t dns_peer_setsupportedns(dns_peer_t *peer, isc_boolean_t newval); isc_result_t diff --git a/lib/dns/include/dns/rdatalist.h b/lib/dns/include/dns/rdatalist.h index e2415488..b4ff817d 100644 --- a/lib/dns/include/dns/rdatalist.h +++ b/lib/dns/include/dns/rdatalist.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: rdatalist.h,v 1.20 2007/06/19 23:47:17 tbox Exp $ */ +/* $Id: rdatalist.h,v 1.20.128.2 2008/04/03 06:08:27 tbox Exp $ */ #ifndef DNS_RDATALIST_H #define DNS_RDATALIST_H 1 @@ -98,6 +98,27 @@ dns_rdatalist_tordataset(dns_rdatalist_t *rdatalist, *\li #ISC_R_SUCCESS */ +isc_result_t +dns_rdatalist_fromrdataset(dns_rdataset_t *rdataset, + dns_rdatalist_t **rdatalist); +/*%< + * Point 'rdatalist' to the rdatalist in 'rdataset'. + * + * Requires: + * + *\li 'rdatalist' is a pointer to a NULL dns_rdatalist_t pointer. + * + *\li 'rdataset' is a valid rdataset associated with an rdatalist. + * + * Ensures, + * on success, + * + *\li 'rdatalist' is pointed to the rdatalist in rdataset. + * + * Returns: + *\li #ISC_R_SUCCESS + */ + ISC_LANG_ENDDECLS #endif /* DNS_RDATALIST_H */ diff --git a/lib/dns/include/dns/resolver.h b/lib/dns/include/dns/resolver.h index 5c190aa9..8c5c7afd 100644 --- a/lib/dns/include/dns/resolver.h +++ b/lib/dns/include/dns/resolver.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: resolver.h,v 1.56 2007/06/18 23:47:42 tbox Exp $ */ +/* $Id: resolver.h,v 1.56.128.2 2008/04/03 06:08:27 tbox Exp $ */ #ifndef DNS_RESOLVER_H #define DNS_RESOLVER_H 1 @@ -93,7 +93,8 @@ typedef struct dns_fetchevent { #define DNS_FETCHOPT_FORWARDONLY 0x10 /*%< Only use forwarders. */ #define DNS_FETCHOPT_NOVALIDATE 0x20 /*%< Disable validation. */ #define DNS_FETCHOPT_EDNS512 0x40 /*%< Advertise a 512 byte - UDP buffer. */ + UDP buffer. */ +#define DNS_FETCHOPT_WANTNSID 0x80 /*%< Request NSID */ #define DNS_FETCHOPT_EDNSVERSIONSET 0x00800000 #define DNS_FETCHOPT_EDNSVERSIONMASK 0xff000000 @@ -470,7 +471,7 @@ dns_resolver_getclientsperquery(dns_resolver_t *resolver, isc_uint32_t *cur, isc_boolean_t dns_resolver_getzeronosoattl(dns_resolver_t *resolver); - + void dns_resolver_setzeronosoattl(dns_resolver_t *resolver, isc_boolean_t state); @@ -491,7 +492,7 @@ dns_resolver_createdispatchpool(dns_resolver_t *res, unsigned int ndisps, * Requires: * *\li 'res' is a valid resolver that has not been frozen. Also it must have - * either the _USEDISPATCHPOOL4 or _USEDISPATCHPOOL6 option. + * either the _USEDISPATCHPOOL4 or _USEDISPATCHPOOL6 option. * *\li 'taskmgr' is a valid task manager. * diff --git a/lib/dns/include/dns/stats.h b/lib/dns/include/dns/stats.h index 57fac98b..afc64242 100644 --- a/lib/dns/include/dns/stats.h +++ b/lib/dns/include/dns/stats.h @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: stats.h,v 1.13.128.2 2008/01/24 23:46:26 tbox Exp $ */ +/* $Id: stats.h,v 1.13.128.5 2008/04/08 03:46:36 each Exp $ */ #ifndef DNS_STATS_H #define DNS_STATS_H 1 @@ -25,9 +25,58 @@ #include <dns/types.h> /*% - * Query statistics counter types. + * Statistics counters. Used as dns_statscounter_t values. */ -typedef enum { +enum { + /*% + * Resolver statistics counters. + */ + dns_resstatscounter_queryv4 = 0, + dns_resstatscounter_queryv6 = 1, + dns_resstatscounter_responsev4 = 2, + dns_resstatscounter_responsev6 = 3, + dns_resstatscounter_nxdomain = 4, + dns_resstatscounter_servfail = 5, + dns_resstatscounter_formerr = 6, + dns_resstatscounter_othererror = 7, + dns_resstatscounter_edns0fail = 8, + dns_resstatscounter_mismatch = 9, + dns_resstatscounter_truncated = 10, + dns_resstatscounter_lame = 11, + dns_resstatscounter_retry = 12, + dns_resstatscounter_gluefetchv4 = 13, + dns_resstatscounter_gluefetchv6 = 14, + dns_resstatscounter_gluefetchv4fail = 15, + dns_resstatscounter_gluefetchv6fail = 16, + dns_resstatscounter_val = 17, + dns_resstatscounter_valsuccess = 18, + dns_resstatscounter_valnegsuccess = 19, + dns_resstatscounter_valfail = 20, + + dns_resstatscounter_max = 21, + + /*% + * Zone statistics counters. + */ + dns_zonestatscounter_notifyoutv4 = 0, + dns_zonestatscounter_notifyoutv6 = 1, + dns_zonestatscounter_notifyinv4 = 2, + dns_zonestatscounter_notifyinv6 = 3, + dns_zonestatscounter_notifyrej = 4, + dns_zonestatscounter_soaoutv4 = 5, + dns_zonestatscounter_soaoutv6 = 6, + dns_zonestatscounter_axfrreqv4 = 7, + dns_zonestatscounter_axfrreqv6 = 8, + dns_zonestatscounter_ixfrreqv4 = 9, + dns_zonestatscounter_ixfrreqv6 = 10, + dns_zonestatscounter_xfrsuccess = 11, + dns_zonestatscounter_xfrfail = 12, + + dns_zonestatscounter_max = 13, + + /*% + * Query statistics counters (obsolete). + */ dns_statscounter_success = 0, /*%< Successful lookup */ dns_statscounter_referral = 1, /*%< Referral result */ dns_statscounter_nxrrset = 2, /*%< NXRRSET result */ @@ -35,64 +84,242 @@ typedef enum { dns_statscounter_recursion = 4, /*%< Recursion was used */ dns_statscounter_failure = 5, /*%< Some other failure */ dns_statscounter_duplicate = 6, /*%< Duplicate query */ - dns_statscounter_dropped = 7 /*%< Duplicate query */ -} dns_statscounter_t; + dns_statscounter_dropped = 7 /*%< Duplicate query (dropped) */ +}; #define DNS_STATS_NCOUNTERS 8 +/*%< + * Flag(s) for dns_xxxstats_dump(). + */ +#define DNS_STATSDUMP_VERBOSE 0x00000001 /*%< dump 0-value counters */ + +/*%< + * (Obsoleted) + */ LIBDNS_EXTERNAL_DATA extern const char *dns_statscounter_names[]; +/*% + * Attributes for statistics counters of RRset and Rdatatype types. + * + * _OTHERTYPE + * The rdata type is not explicitly supported and the corresponding counter + * is counted for other such types, too. When this attribute is set, + * the base type is of no use. + * + * _NXRRSET + * RRset type counters only. Indicates the RRset is non existent. + * + * _NXDOMAIN + * RRset type counters only. Indicates a non existent name. When this + * attribute is set, the base type is of no use. + */ +#define DNS_RDATASTATSTYPE_ATTR_OTHERTYPE 0x0001 +#define DNS_RDATASTATSTYPE_ATTR_NXRRSET 0x0002 +#define DNS_RDATASTATSTYPE_ATTR_NXDOMAIN 0x0004 + +/*%< + * Conversion macros among dns_rdatatype_t, attributes and dns_statscounter_t. + */ +#define DNS_RDATASTATSTYPE_BASE(type) ((dns_rdatatype_t)((type) & 0xFFFF)) +#define DNS_RDATASTATSTYPE_ATTR(type) ((type) >> 16) +#define DNS_RDATASTATSTYPE_VALUE(b, a) (((a) << 16) | (b)) + +/*%< + * Types of dump callbacks. + */ +typedef void (*dns_generalstats_dumper_t)(dns_statscounter_t, isc_uint64_t, + void *); +typedef void (*dns_rdatatypestats_dumper_t)(dns_rdatastatstype_t, isc_uint64_t, + void *); +typedef void (*dns_opcodestats_dumper_t)(dns_opcode_t, isc_uint64_t, void *); + isc_result_t -dns_stats_create(isc_mem_t *mctx, dns_stats_t **statsp); +dns_generalstats_create(isc_mem_t *mctx, dns_stats_t **statsp, int ncounters); /*%< - * Create a statistics counter structure. + * Create a statistics counter structure of general type. It counts a general + * set of counters indexed by an ID between 0 and ncounters -1. * * Requires: + *\li 'mctx' must be a valid memory context. + * + *\li 'statsp' != NULL && '*statsp' == NULL. + * + * Returns: + *\li ISC_R_SUCCESS -- all ok * + *\li anything else -- failure + */ + +isc_result_t +dns_rdatatypestats_create(isc_mem_t *mctx, dns_stats_t **statsp); +/*%< + * Create a statistics counter structure per rdatatype. + * + * Requires: *\li 'mctx' must be a valid memory context. * *\li 'statsp' != NULL && '*statsp' == NULL. + * + * Returns: + *\li ISC_R_SUCCESS -- all ok + * + *\li anything else -- failure */ -void -dns_stats_destroy(isc_mem_t *mctx, dns_stats_t **statsp); +isc_result_t +dns_rdatasetstats_create(isc_mem_t *mctx, dns_stats_t **statsp); /*%< - * Destroy a statistics counter structure. + * Create a statistics counter structure per RRset. * * Requires: + *\li 'mctx' must be a valid memory context. + * + *\li 'statsp' != NULL && '*statsp' == NULL. + * + * Returns: + *\li ISC_R_SUCCESS -- all ok + * + *\li anything else -- failure + */ + +isc_result_t +dns_opcodestats_create(isc_mem_t *mctx, dns_stats_t **statsp); +/*%< + * Create a statistics counter structure per opcode. * + * Requires: *\li 'mctx' must be a valid memory context. * - *\li 'statsp' != NULL and '*statsp' be valid dns_stats_t. + *\li 'statsp' != NULL && '*statsp' == NULL. + * + * Returns: + *\li ISC_R_SUCCESS -- all ok + * + *\li anything else -- failure + */ + +void +dns_stats_attach(dns_stats_t *stats, dns_stats_t **statsp); +/*%< + * Attach to a statistics set. + * + * Requires: + *\li 'stats' is a valid dns_stats_t. * - * Ensures: + *\li 'statsp' != NULL && '*statsp' == NULL + */ + +void +dns_stats_detach(dns_stats_t **statsp); +/*%< + * Detaches from the statistics set. * - *\li '*statsp' == NULL + * Requires: + *\li 'statsp' != NULL and '*statsp' is a valid dns_stats_t. */ void -dns_stats_incrementcounter(dns_stats_t *stat, dns_statscounter_t counter); +dns_generalstats_increment(dns_stats_t *stats, dns_statscounter_t counter); /*%< - * Increment a counter field of 'stat' specified by 'counter'. + * Increment the counter-th counter of stats. * * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_generalstats_create(). * - *\li 'stat' be a valid dns_stats_t. + *\li counter is less than the maximum available ID for the stats specified + * on creation. + */ + +void +dns_rdatatypestats_increment(dns_stats_t *stats, dns_rdatatype_t type); +/*%< + * Increment the statistics counter for 'type'. * - *\li counter < DNS_STATS_NCOUNTERS + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_rdatatypestats_create(). */ void -dns_stats_copy(dns_stats_t *src, isc_uint64_t *dst); +dns_rdatasetstats_increment(dns_stats_t *stats, dns_rdatastatstype_t rrsettype); /*%< - * Copy statistics counter fields of 'src' to the 'dst' array. + * Increment the statistics counter for 'rrsettype'. * * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_rdatasetstats_create(). + */ + +void +dns_rdatasetstats_decrement(dns_stats_t *stats, dns_rdatastatstype_t rrsettype); +/*%< + * Decrement the statistics counter for 'rrsettype'. * - *\li 'src' be a valid dns_stats_t. + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_rdatasetstats_create(). + */ + +void +dns_opcodestats_increment(dns_stats_t *stats, dns_opcode_t code); +/*%< + * Increment the statistics counter for 'code'. * - *\li 'dst' be sufficiently large to store DNS_STATS_NCOUNTERS 64-bit - * integers. + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_opcodestats_create(). + */ + +void +dns_generalstats_dump(dns_stats_t *stats, dns_generalstats_dumper_t dump_fn, + void *arg, unsigned int options); +/*%< + * Dump the current statistics counters in a specified way. For each counter + * in stats, dump_fn is called with its current value and the given argument + * arg. By default counters that have a value of 0 is skipped; if options has + * the DNS_STATSDUMP_VERBOSE flag, even such counters are dumped. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_generalstats_create(). + */ + +void +dns_rdatatypestats_dump(dns_stats_t *stats, dns_rdatatypestats_dumper_t dump_fn, + void *arg, unsigned int options); +/*%< + * Dump the current statistics counters in a specified way. For each counter + * in stats, dump_fn is called with the corresponding type in the form of + * dns_rdatastatstype_t, the current counter value and the given argument + * arg. By default counters that have a value of 0 is skipped; if options has + * the DNS_STATSDUMP_VERBOSE flag, even such counters are dumped. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_generalstats_create(). + */ + +void +dns_rdatasetstats_dump(dns_stats_t *stats, dns_rdatatypestats_dumper_t dump_fn, + void *arg, unsigned int options); +/*%< + * Dump the current statistics counters in a specified way. For each counter + * in stats, dump_fn is called with the corresponding type in the form of + * dns_rdatastatstype_t, the current counter value and the given argument + * arg. By default counters that have a value of 0 is skipped; if options has + * the DNS_STATSDUMP_VERBOSE flag, even such counters are dumped. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_generalstats_create(). + */ + +void +dns_opcodestats_dump(dns_stats_t *stats, dns_opcodestats_dumper_t dump_fn, + void *arg, unsigned int options); +/*%< + * Dump the current statistics counters in a specified way. For each counter + * in stats, dump_fn is called with the corresponding opcode, the current + * counter value and the given argument arg. By default counters that have a + * value of 0 is skipped; if options has the DNS_STATSDUMP_VERBOSE flag, even + * such counters are dumped. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_generalstats_create(). */ isc_result_t @@ -101,7 +328,7 @@ dns_stats_alloccounters(isc_mem_t *mctx, isc_uint64_t **ctrp); * Allocate an array of query statistics counters from the memory * context 'mctx'. * - * This function is obsoleted. Use dns_stats_create() instead. + * This function is obsoleted. Use dns_xxxstats_create() instead. */ void diff --git a/lib/dns/include/dns/types.h b/lib/dns/include/dns/types.h index d13b2c82..ea20787e 100644 --- a/lib/dns/include/dns/types.h +++ b/lib/dns/include/dns/types.h @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: types.h,v 1.126.62.2 2008/01/24 23:46:26 tbox Exp $ */ +/* $Id: types.h,v 1.126.62.3 2008/04/03 06:10:21 marka Exp $ */ #ifndef DNS_TYPES_H #define DNS_TYPES_H 1 @@ -107,6 +107,8 @@ typedef struct dns_signature dns_signature_t; typedef struct dns_ssurule dns_ssurule_t; typedef struct dns_ssutable dns_ssutable_t; typedef struct dns_stats dns_stats_t; +typedef int dns_statscounter_t; +typedef isc_uint32_t dns_rdatastatstype_t; typedef struct dns_tkeyctx dns_tkeyctx_t; typedef isc_uint16_t dns_trust_t; typedef struct dns_tsig_keyring dns_tsig_keyring_t; diff --git a/lib/dns/include/dns/view.h b/lib/dns/include/dns/view.h index 4964bd1f..a488a62c 100644 --- a/lib/dns/include/dns/view.h +++ b/lib/dns/include/dns/view.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: view.h,v 1.107 2007/06/18 23:47:42 tbox Exp $ */ +/* $Id: view.h,v 1.107.128.4 2008/04/03 06:20:34 tbox Exp $ */ #ifndef DNS_VIEW_H #define DNS_VIEW_H 1 @@ -70,7 +70,6 @@ #include <isc/refcount.h> #include <isc/rwlock.h> #include <isc/stdtime.h> -#include <isc/xml.h> #include <dns/acl.h> #include <dns/fixedname.h> @@ -101,6 +100,8 @@ struct dns_view { isc_event_t resevent; isc_event_t adbevent; isc_event_t reqevent; + dns_stats_t * resstats; + dns_stats_t * resquerystats; /* Configurable data. */ dns_tsig_keyring_t * statickeys; @@ -124,6 +125,7 @@ struct dns_view { dns_acl_t * sortlist; isc_boolean_t requestixfr; isc_boolean_t provideixfr; + isc_boolean_t requestnsid; dns_ttl_t maxcachettl; dns_ttl_t maxncachettl; in_port_t dstport; @@ -596,7 +598,7 @@ dns_viewlist_find(dns_viewlist_t *list, const char *name, isc_result_t dns_viewlist_findzone(dns_viewlist_t *list, dns_name_t *name, isc_boolean_t allclasses, - dns_rdataclass_t rdclass, dns_zone_t **zonep); + dns_rdataclass_t rdclass, dns_zone_t **zonep); /*%< * Search zone with 'name' in view with 'rdclass' in viewlist 'list' @@ -632,7 +634,7 @@ dns_view_loadnew(dns_view_t *view, isc_boolean_t stop); /*%< * Load zones attached to this view. dns_view_load() loads * all zones whose master file has changed since the last - * load; dns_view_loadnew() loads only zones that have never + * load; dns_view_loadnew() loads only zones that have never * been loaded. * * If 'stop' is ISC_TRUE, stop on the first error and return it. @@ -708,7 +710,7 @@ dns_view_dumpdbtostream(dns_view_t *view, FILE *fp); * easily obtainable by other means. * * Requires: - * + * *\li 'view' is valid. * *\li 'fp' refers to a file open for writing. @@ -751,7 +753,7 @@ isc_result_t dns_view_adddelegationonly(dns_view_t *view, dns_name_t *name); /*%< * Add the given name to the delegation only table. - * + * * * Requires: *\li 'view' is valid. @@ -766,7 +768,7 @@ isc_result_t dns_view_excludedelegationonly(dns_view_t *view, dns_name_t *name); /*%< * Add the given name to be excluded from the root-delegation-only. - * + * * * Requires: *\li 'view' is valid. @@ -819,11 +821,55 @@ dns_view_freezezones(dns_view_t *view, isc_boolean_t freeze); * \li 'view' is valid. */ -#ifdef HAVE_LIBXML2 +void +dns_view_setresstats(dns_view_t *view, dns_stats_t *stats); +/*%< + * Set a general resolver statistics counter set 'stats' for 'view'. + * + * Requires: + * \li 'view' is valid and is not frozen. + * + *\li stats is a valid statistics supporting resolver statistics counters + * (see dns/stats.h). + */ -isc_result_t -dns_view_xmlrender(dns_view_t *view, xmlTextWriterPtr xml, int flags); +void +dns_view_getresstats(dns_view_t *view, dns_stats_t **statsp); +/*%< + * Get the general statistics counter set for 'view'. If a statistics set is + * set '*statsp' will be attached to the set; otherwise, '*statsp' will be + * untouched. + * + * Requires: + * \li 'view' is valid and is not frozen. + * + *\li 'statsp' != NULL && '*statsp' != NULL + */ + +void +dns_view_setresquerystats(dns_view_t *view, dns_stats_t *stats); +/*%< + * Set a statistics counter set of rdata type, 'stats', for 'view'. Once the + * statistic set is installed, view's resolver will count outgoing queries + * per rdata type. + * + * Requires: + * \li 'view' is valid and is not frozen. + * + *\li stats is a valid statistics created by dns_rdatatypestats_create(). + */ -#endif +void +dns_view_getresquerystats(dns_view_t *view, dns_stats_t **statsp); +/*%< + * Get the rdatatype statistics counter set for 'view'. If a statistics set is + * set '*statsp' will be attached to the set; otherwise, '*statsp' will be + * untouched. + * + * Requires: + * \li 'view' is valid and is not frozen. + * + *\li 'statsp' != NULL && '*statsp' != NULL + */ #endif /* DNS_VIEW_H */ diff --git a/lib/dns/include/dns/zone.h b/lib/dns/include/dns/zone.h index dc4d1983..27ef22ce 100644 --- a/lib/dns/include/dns/zone.h +++ b/lib/dns/include/dns/zone.h @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: zone.h,v 1.153.56.2 2008/01/24 23:46:26 tbox Exp $ */ +/* $Id: zone.h,v 1.153.56.3 2008/04/03 06:10:21 marka Exp $ */ #ifndef DNS_ZONE_H #define DNS_ZONE_H 1 @@ -31,7 +31,6 @@ #include <isc/formatcheck.h> #include <isc/lang.h> #include <isc/rwlock.h> -#include <isc/xml.h> #include <dns/masterdump.h> #include <dns/types.h> @@ -148,6 +147,15 @@ dns_zone_getclass(dns_zone_t *zone); *\li 'zone' to be a valid zone. */ +isc_uint32_t +dns_zone_getserial(dns_zone_t *zone); +/*%< + * Returns the current serial number of the zone. + * + * Requires: + *\li 'zone' to be a valid zone. + */ + void dns_zone_settype(dns_zone_t *zone, dns_zonetype_t type); /*%< @@ -1479,28 +1487,55 @@ dns_zone_isforced(dns_zone_t *zone); isc_result_t dns_zone_setstatistics(dns_zone_t *zone, isc_boolean_t on); /*%< - * Make the zone keep or not keep an array of statistics - * counter. - * - * Requires: - * \li zone be a valid zone. + * This function is obsoleted by dns_zone_setrequeststats(). */ isc_uint64_t * dns_zone_getstatscounters(dns_zone_t *zone); /*%< - * This function is obsoleted by dns_zone_getstats(). + * This function is obsoleted by dns_zone_getrequeststats(). + */ + +void +dns_zone_setstats(dns_zone_t *zone, dns_stats_t *stats); +/*%< + * Set a general zone-maintenance statistics set 'stats' for 'zone'. This + * function is expected to be called only on zone creation (when necessary). + * Once installed, it cannot be removed or replaced. Also, there is no + * interface to get the installed stats from the zone; the caller must keep the + * stats to reference (e.g. dump) it later. + * + * Requires: + * \li 'zone' to be a valid zone and does not have a statistics set already + * installed. + * + *\li stats is a valid statistics supporting zone statistics counters + * (see dns/stats.h). + */ + +void +dns_zone_setrequeststats(dns_zone_t *zone, dns_stats_t *stats); +/*%< + * Set an additional statistics set to zone. It is attached in the zone + * but is not counted in the zone module; only the caller updates the counters. + * + * Requires: + * \li 'zone' to be a valid zone. + * + *\li stats is a valid statistics. */ dns_stats_t * -dns_zone_getstats(dns_zone_t *zone); +dns_zone_getrequeststats(dns_zone_t *zone); /*%< + * Get the additional statistics for zone, if one is installed. + * * Requires: - * zone be a valid zone. + * \li 'zone' to be a valid zone. * * Returns: - * \li A pointer to the zone's array of statistics counters, - * or NULL if it has none. + * \li when available, a pointer to the statistics set installed in zone; + * otherwise NULL. */ void @@ -1636,13 +1671,6 @@ dns_zone_setisself(dns_zone_t *zone, dns_isselffunc_t isself, void *arg); * delivered to 'myview'. */ -#ifdef HAVE_LIBXML2 - -isc_result_t -dns_zone_xmlrender(dns_zone_t *zone, xmlTextWriterPtr xml, int flags); - -#endif - ISC_LANG_ENDDECLS #endif /* DNS_ZONE_H */ diff --git a/lib/dns/masterdump.c b/lib/dns/masterdump.c index 8b3ebd66..0c48eee7 100644 --- a/lib/dns/masterdump.c +++ b/lib/dns/masterdump.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: masterdump.c,v 1.89 2007/06/19 23:47:16 tbox Exp $ */ +/* $Id: masterdump.c,v 1.89.128.2 2008/04/09 22:53:06 tbox Exp $ */ /*! \file */ @@ -183,7 +183,7 @@ struct dns_dumpctx { isc_buffer_t *buffer, FILE *f); }; -#define NXDOMAIN(x) (((x)->attributes & DNS_RDATASETATTR_NXDOMAIN) != 0) +#define NXDOMAIN(x) (((x)->attributes & DNS_RDATASETATTR_NXDOMAIN) != 0) /*% * Output tabs and spaces to go from column '*current' to @@ -1020,9 +1020,9 @@ dumpctx_destroy(dns_dumpctx_t *dctx) { dctx->magic = 0; DESTROYLOCK(&dctx->lock); + dns_dbiterator_destroy(&dctx->dbiter); if (dctx->version != NULL) dns_db_closeversion(dctx->db, &dctx->version, ISC_FALSE); - dns_dbiterator_destroy(&dctx->dbiter); dns_db_detach(&dctx->db); if (dctx->task != NULL) isc_task_detach(&dctx->task); @@ -1071,13 +1071,13 @@ dns_dumpctx_detach(dns_dumpctx_t **dctxp) { dns_dbversion_t * dns_dumpctx_version(dns_dumpctx_t *dctx) { - REQUIRE(DNS_DCTX_VALID(dctx)); + REQUIRE(DNS_DCTX_VALID(dctx)); return (dctx->version); } dns_db_t * dns_dumpctx_db(dns_dumpctx_t *dctx) { - REQUIRE(DNS_DCTX_VALID(dctx)); + REQUIRE(DNS_DCTX_VALID(dctx)); return (dctx->db); } @@ -1703,10 +1703,10 @@ dns_master_dumpnode(isc_mem_t *mctx, dns_db_t *db, dns_dbversion_t *version, isc_result_t dns_master_stylecreate(dns_master_style_t **stylep, unsigned int flags, - unsigned int ttl_column, unsigned int class_column, - unsigned int type_column, unsigned int rdata_column, - unsigned int line_length, unsigned int tab_width, - isc_mem_t *mctx) + unsigned int ttl_column, unsigned int class_column, + unsigned int type_column, unsigned int rdata_column, + unsigned int line_length, unsigned int tab_width, + isc_mem_t *mctx) { dns_master_style_t *style; diff --git a/lib/dns/message.c b/lib/dns/message.c index b798f25a..29958cce 100644 --- a/lib/dns/message.c +++ b/lib/dns/message.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: message.c,v 1.237.110.3 2008/01/17 23:46:37 tbox Exp $ */ +/* $Id: message.c,v 1.237.110.5 2008/04/03 10:50:01 marka Exp $ */ /*! \file */ @@ -24,6 +24,7 @@ ***/ #include <config.h> +#include <ctype.h> #include <isc/buffer.h> #include <isc/mem.h> @@ -1488,14 +1489,8 @@ getsection(isc_buffer_t *source, dns_message_t *msg, dns_decompress_t *dctx, rdataset->ttl = ttl; } - /* - * XXXMLG Perform a totally ugly hack here to pull - * the rdatalist out of the private field in the rdataset, - * and append this rdata to the rdatalist's linked list - * of rdata. - */ - rdatalist = (dns_rdatalist_t *)(rdataset->private1); - + /* Append this rdata to the rdataset. */ + dns_rdatalist_fromrdataset(rdataset, &rdatalist); ISC_LIST_APPEND(rdatalist->rdata, rdata, link); /* @@ -3127,6 +3122,10 @@ dns_message_pseudosectiontotext(dns_message_t *msg, isc_result_t result; char buf[sizeof("1234567890")]; isc_uint32_t mbz; + dns_rdata_t rdata; + isc_buffer_t optbuf; + isc_uint16_t optcode, optlen; + unsigned char *optdata; REQUIRE(DNS_MESSAGE_VALID(msg)); REQUIRE(target != NULL); @@ -3156,6 +3155,50 @@ dns_message_pseudosectiontotext(dns_message_t *msg, ADD_STRING(target, "; udp: "); snprintf(buf, sizeof(buf), "%u\n", (unsigned int)ps->rdclass); ADD_STRING(target, buf); + + result = dns_rdataset_first(ps); + if (result != ISC_R_SUCCESS) + return (ISC_R_SUCCESS); + + /* Print EDNS info, if any */ + dns_rdata_init(&rdata); + dns_rdataset_current(ps, &rdata); + if (rdata.length < 4) + return (ISC_R_SUCCESS); + + isc_buffer_init(&optbuf, rdata.data, rdata.length); + isc_buffer_add(&optbuf, rdata.length); + optcode = isc_buffer_getuint16(&optbuf); + optlen = isc_buffer_getuint16(&optbuf); + + if (optcode == DNS_OPT_NSID) { + ADD_STRING(target, "; NSID"); + } else { + ADD_STRING(target, "; OPT="); + sprintf(buf, "%u", optcode); + ADD_STRING(target, buf); + } + + if (optlen != 0) { + int i; + ADD_STRING(target, ": "); + + optdata = rdata.data + 4; + for (i = 0; i < optlen; i++) { + sprintf(buf, "%02x ", optdata[i]); + ADD_STRING(target, buf); + } + for (i = 0; i < optlen; i++) { + ADD_STRING(target, " ("); + if (isprint(optdata[i])) + isc_buffer_putmem(target, &optdata[i], + 1); + else + isc_buffer_putstr(target, "."); + ADD_STRING(target, ")"); + } + } + ADD_STRING(target, "\n"); return (ISC_R_SUCCESS); case DNS_PSEUDOSECTION_TSIG: ps = dns_message_gettsig(msg, &name); diff --git a/lib/dns/name.c b/lib/dns/name.c index a15c7d23..638cdc86 100644 --- a/lib/dns/name.c +++ b/lib/dns/name.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1998-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: name.c,v 1.163 2007/06/19 23:47:16 tbox Exp $ */ +/* $Id: name.c,v 1.163.128.2 2008/03/31 23:46:42 tbox Exp $ */ /*! \file */ @@ -155,7 +155,7 @@ do { \ static unsigned char root_ndata[] = { '\0' }; static unsigned char root_offsets[] = { 0 }; -static dns_name_t root = +static dns_name_t root = { DNS_NAME_MAGIC, root_ndata, 1, 1, @@ -298,7 +298,7 @@ dns_name_ismailbox(const dns_name_t *name) { REQUIRE(name->labels > 0); REQUIRE(name->attributes & DNS_NAMEATTR_ABSOLUTE); - /* + /* * Root label. */ if (name->length == 1) @@ -312,7 +312,7 @@ dns_name_ismailbox(const dns_name_t *name) { if (!domainchar(ch)) return (ISC_FALSE); } - + if (ndata == name->ndata + name->length) return (ISC_FALSE); @@ -347,8 +347,8 @@ dns_name_ishostname(const dns_name_t *name, isc_boolean_t wildcard) { REQUIRE(VALID_NAME(name)); REQUIRE(name->labels > 0); REQUIRE(name->attributes & DNS_NAMEATTR_ABSOLUTE); - - /* + + /* * Root label. */ if (name->length == 1) @@ -918,7 +918,7 @@ dns_name_getlabelsequence(const dns_name_t *source, target->ndata = &source->ndata[firstoffset]; target->length = endoffset - firstoffset; - + if (first + n == source->labels && n > 0 && (source->attributes & DNS_NAMEATTR_ABSOLUTE) != 0) target->attributes |= DNS_NAMEATTR_ABSOLUTE; @@ -991,7 +991,7 @@ dns_name_fromregion(dns_name_t *name, const isc_region_t *r) { name->length = len; } else { name->ndata = r->base; - name->length = (r->length <= DNS_NAME_MAXWIRE) ? + name->length = (r->length <= DNS_NAME_MAXWIRE) ? r->length : DNS_NAME_MAXWIRE; } @@ -1049,7 +1049,7 @@ dns_name_fromtext(dns_name_t *name, isc_buffer_t *source, REQUIRE(ISC_BUFFER_VALID(source)); REQUIRE((target != NULL && ISC_BUFFER_VALID(target)) || (target == NULL && ISC_BUFFER_VALID(name->buffer))); - + downcase = ISC_TF((options & DNS_NAME_DOWNCASE) != 0); if (target == NULL && name->buffer != NULL) { @@ -1303,8 +1303,9 @@ totext_filter_proc_key_init(void) { result = isc_mem_create2(0, 0, &thread_key_mctx, 0); if (result != ISC_R_SUCCESS) goto unlock; + isc_mem_setname(thread_key_mctx, "threadkey", NULL); isc_mem_setdestroycheck(thread_key_mctx, ISC_FALSE); - + if (!thread_key_initialized && isc_thread_key_create(&totext_filter_proc_key, free_specific) != 0) { @@ -2299,7 +2300,7 @@ dns_name_settotextfilter(dns_name_totextfilter_t proc) { result = ISC_R_UNEXPECTED; return (result); } - + mem = isc_mem_get(thread_key_mctx, sizeof(*mem)); if (mem == NULL) return (ISC_R_NOMEMORY); diff --git a/lib/dns/peer.c b/lib/dns/peer.c index 8ed33859..c5aad7dc 100644 --- a/lib/dns/peer.c +++ b/lib/dns/peer.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000, 2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: peer.c,v 1.29 2007/06/19 23:47:16 tbox Exp $ */ +/* $Id: peer.c,v 1.29.128.2 2008/04/03 06:08:27 tbox Exp $ */ /*! \file */ @@ -42,6 +42,7 @@ #define SUPPORT_EDNS_BIT 5 #define SERVER_UDPSIZE_BIT 6 #define SERVER_MAXUDP_BIT 7 +#define REQUEST_NSID_BIT 8 static void peerlist_delete(dns_peerlist_t **list); @@ -146,7 +147,7 @@ dns_peerlist_addpeer(dns_peerlist_t *peers, dns_peer_t *peer) { ISC_LIST_INSERTBEFORE(peers->elements, p, peer, next); else ISC_LIST_APPEND(peers->elements, peer, next); - + } isc_result_t @@ -213,7 +214,7 @@ dns_peer_new(isc_mem_t *mem, isc_netaddr_t *addr, dns_peer_t **peerptr) { isc_result_t dns_peer_newprefix(isc_mem_t *mem, isc_netaddr_t *addr, unsigned int prefixlen, dns_peer_t **peerptr) -{ +{ dns_peer_t *peer; REQUIRE(peerptr != NULL); @@ -416,6 +417,32 @@ dns_peer_getsupportedns(dns_peer_t *peer, isc_boolean_t *retval) { } isc_result_t +dns_peer_setrequestnsid(dns_peer_t *peer, isc_boolean_t newval) { + isc_boolean_t existed; + + REQUIRE(DNS_PEER_VALID(peer)); + + existed = DNS_BIT_CHECK(REQUEST_NSID_BIT, &peer->bitflags); + + peer->request_nsid = newval; + DNS_BIT_SET(REQUEST_NSID_BIT, &peer->bitflags); + + return (existed ? ISC_R_EXISTS : ISC_R_SUCCESS); +} + +isc_result_t +dns_peer_getrequestnsid(dns_peer_t *peer, isc_boolean_t *retval) { + REQUIRE(DNS_PEER_VALID(peer)); + REQUIRE(retval != NULL); + + if (DNS_BIT_CHECK(REQUEST_NSID_BIT, &peer->bitflags)) { + *retval = peer->request_nsid; + return (ISC_R_SUCCESS); + } else + return (ISC_R_NOTFOUND); +} + +isc_result_t dns_peer_settransfers(dns_peer_t *peer, isc_uint32_t newval) { isc_boolean_t existed; @@ -544,7 +571,7 @@ dns_peer_settransfersource(dns_peer_t *peer, } if (transfer_source != NULL) { peer->transfer_source = isc_mem_get(peer->mem, - sizeof(*peer->transfer_source)); + sizeof(*peer->transfer_source)); if (peer->transfer_source == NULL) return (ISC_R_NOMEMORY); @@ -577,7 +604,7 @@ dns_peer_setnotifysource(dns_peer_t *peer, } if (notify_source != NULL) { peer->notify_source = isc_mem_get(peer->mem, - sizeof(*peer->notify_source)); + sizeof(*peer->notify_source)); if (peer->notify_source == NULL) return (ISC_R_NOMEMORY); @@ -608,7 +635,7 @@ dns_peer_setquerysource(dns_peer_t *peer, const isc_sockaddr_t *query_source) { } if (query_source != NULL) { peer->query_source = isc_mem_get(peer->mem, - sizeof(*peer->query_source)); + sizeof(*peer->query_source)); if (peer->query_source == NULL) return (ISC_R_NOMEMORY); @@ -649,11 +676,11 @@ dns_peer_getudpsize(dns_peer_t *peer, isc_uint16_t *udpsize) { REQUIRE(udpsize != NULL); if (DNS_BIT_CHECK(SERVER_UDPSIZE_BIT, &peer->bitflags)) { - *udpsize = peer->udpsize; - return (ISC_R_SUCCESS); - } else { - return (ISC_R_NOTFOUND); - } + *udpsize = peer->udpsize; + return (ISC_R_SUCCESS); + } else { + return (ISC_R_NOTFOUND); + } } isc_result_t @@ -677,9 +704,9 @@ dns_peer_getmaxudp(dns_peer_t *peer, isc_uint16_t *maxudp) { REQUIRE(maxudp != NULL); if (DNS_BIT_CHECK(SERVER_MAXUDP_BIT, &peer->bitflags)) { - *maxudp = peer->maxudp; - return (ISC_R_SUCCESS); - } else { - return (ISC_R_NOTFOUND); - } + *maxudp = peer->maxudp; + return (ISC_R_SUCCESS); + } else { + return (ISC_R_NOTFOUND); + } } diff --git a/lib/dns/rbt.c b/lib/dns/rbt.c index e6fc6328..b045cea1 100644 --- a/lib/dns/rbt.c +++ b/lib/dns/rbt.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: rbt.c,v 1.138.36.2 2008/01/22 23:27:35 tbox Exp $ */ +/* $Id: rbt.c,v 1.138.36.3 2008/03/31 13:18:00 fdupont Exp $ */ /*! \file */ @@ -2056,10 +2056,6 @@ dns_rbt_deletetreeflat(dns_rbt_t *rbt, unsigned int quantum, node = LEFT(node); goto traverse; } - if (RIGHT(node) != NULL) { - node = RIGHT(node); - goto traverse; - } if (DOWN(node) != NULL) { node = DOWN(node); goto traverse; @@ -2076,14 +2072,15 @@ dns_rbt_deletetreeflat(dns_rbt_t *rbt, unsigned int quantum, node->magic = 0; #endif parent = PARENT(node); + if (RIGHT(node) != NULL) + PARENT(RIGHT(node)) = parent; if (parent != NULL) { if (LEFT(parent) == node) - LEFT(parent) = NULL; + LEFT(parent) = RIGHT(node); else if (DOWN(parent) == node) - DOWN(parent) = NULL; - else if (RIGHT(parent) == node) - RIGHT(parent) = NULL; - } + DOWN(parent) = RIGHT(node); + } else + parent = RIGHT(node); isc_mem_put(rbt->mctx, node, NODE_SIZE(node)); rbt->nodecount--; diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c index 6ecc2eec..d2d3630f 100644 --- a/lib/dns/rbtdb.c +++ b/lib/dns/rbtdb.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: rbtdb.c,v 1.248 2007/12/02 20:27:35 marka Exp $ */ +/* $Id: rbtdb.c,v 1.248.12.8 2008/05/01 18:32:31 jinmei Exp $ */ /*! \file */ @@ -53,6 +53,7 @@ #include <dns/rdatasetiter.h> #include <dns/rdataslab.h> #include <dns/result.h> +#include <dns/stats.h> #include <dns/view.h> #include <dns/zone.h> #include <dns/zonekey.h> @@ -74,7 +75,7 @@ * ISC_MAGIC_VALID cannot be used. */ #define VALID_RBTDB(rbtdb) ((rbtdb) != NULL && \ - (rbtdb)->common.impmagic == RBTDB_MAGIC) + (rbtdb)->common.impmagic == RBTDB_MAGIC) #ifdef DNS_RBTDB_VERSION64 typedef isc_uint64_t rbtdb_serial_t; @@ -96,15 +97,15 @@ typedef isc_uint32_t rbtdb_rdatatype_t; #define RBTDB_RDATATYPE_VALUE(b, e) (((e) << 16) | (b)) #define RBTDB_RDATATYPE_SIGNSEC \ - RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_nsec) + RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_nsec) #define RBTDB_RDATATYPE_SIGNS \ - RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_ns) + RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_ns) #define RBTDB_RDATATYPE_SIGCNAME \ - RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_cname) + RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_cname) #define RBTDB_RDATATYPE_SIGDNAME \ - RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_dname) + RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_dname) #define RBTDB_RDATATYPE_NCACHEANY \ - RBTDB_RDATATYPE_VALUE(0, dns_rdatatype_any) + RBTDB_RDATATYPE_VALUE(0, dns_rdatatype_any) /* * We use rwlock for DB lock only when ISC_RWLOCK_USEATOMIC is non 0. @@ -181,10 +182,6 @@ typedef isc_mutex_t nodelock_t; #define NODE_WEAKDOWNGRADE(l) ((void)0) #endif -#ifndef DNS_RDATASET_FIXED -#define DNS_RDATASET_FIXED 1 -#endif - /* * Allow clients with a virtual time of up to 5 minutes in the past to see * records that would have otherwise have expired. @@ -192,75 +189,75 @@ typedef isc_mutex_t nodelock_t; #define RBTDB_VIRTUAL 300 struct noqname { - dns_name_t name; - void * nsec; - void * nsecsig; + dns_name_t name; + void * nsec; + void * nsecsig; }; typedef struct acachectl acachectl_t; typedef struct rdatasetheader { - /*% - * Locked by the owning node's lock. - */ - rbtdb_serial_t serial; - dns_ttl_t rdh_ttl; - rbtdb_rdatatype_t type; - isc_uint16_t attributes; - dns_trust_t trust; - struct noqname *noqname; - /*%< - * We don't use the LIST macros, because the LIST structure has - * both head and tail pointers, and is doubly linked. - */ - - struct rdatasetheader *next; - /*%< - * If this is the top header for an rdataset, 'next' points - * to the top header for the next rdataset (i.e., the next type). - * Otherwise, it points up to the header whose down pointer points - * at this header. - */ - - struct rdatasetheader *down; - /*%< - * Points to the header for the next older version of - * this rdataset. - */ - - isc_uint32_t count; - /*%< - * Monotonously increased every time this rdataset is bound so that - * it is used as the base of the starting point in DNS responses - * when the "cyclic" rrset-order is required. Since the ordering - * should not be so crucial, no lock is set for the counter for - * performance reasons. - */ - - acachectl_t *additional_auth; - acachectl_t *additional_glue; - - dns_rbtnode_t *node; - isc_stdtime_t last_used; - ISC_LINK(struct rdatasetheader) lru_link; - /*%< - * Used for LRU-based cache management. We should probably make - * these cache-DB specific. We might also make it a pointer and - * ensure only the top header has a valid link to save memory. - * The linked-list is locked by the rbtdb->lrulock. - */ - - /* - * It's possible this should not be here anymore, but instead - * referenced from the bucket's heap directly. - */ + /*% + * Locked by the owning node's lock. + */ + rbtdb_serial_t serial; + dns_ttl_t rdh_ttl; + rbtdb_rdatatype_t type; + isc_uint16_t attributes; + dns_trust_t trust; + struct noqname *noqname; + /*%< + * We don't use the LIST macros, because the LIST structure has + * both head and tail pointers, and is doubly linked. + */ + + struct rdatasetheader *next; + /*%< + * If this is the top header for an rdataset, 'next' points + * to the top header for the next rdataset (i.e., the next type). + * Otherwise, it points up to the header whose down pointer points + * at this header. + */ + + struct rdatasetheader *down; + /*%< + * Points to the header for the next older version of + * this rdataset. + */ + + isc_uint32_t count; + /*%< + * Monotonously increased every time this rdataset is bound so that + * it is used as the base of the starting point in DNS responses + * when the "cyclic" rrset-order is required. Since the ordering + * should not be so crucial, no lock is set for the counter for + * performance reasons. + */ + + acachectl_t *additional_auth; + acachectl_t *additional_glue; + + dns_rbtnode_t *node; + isc_stdtime_t last_used; + ISC_LINK(struct rdatasetheader) lru_link; + /*%< + * Used for LRU-based cache management. We should probably make + * these cache-DB specific. We might also make it a pointer and + * ensure only the top header has a valid link to save memory. + * The linked-list is locked by the rbtdb->lrulock. + */ + + /* + * It's possible this should not be here anymore, but instead + * referenced from the bucket's heap directly. + */ #if 0 - isc_heap_t *heap; + isc_heap_t *heap; #endif - unsigned int heap_index; - /*%< - * Used for TTL-based cache cleaning. - */ + unsigned int heap_index; + /*%< + * Used for TTL-based cache cleaning. + */ } rdatasetheader_t; typedef ISC_LIST(rdatasetheader_t) rdatasetheaderlist_t; @@ -271,20 +268,20 @@ typedef ISC_LIST(dns_rbtnode_t) rbtnodelist_t; #define RDATASET_ATTR_IGNORE 0x0004 #define RDATASET_ATTR_RETAIN 0x0008 #define RDATASET_ATTR_NXDOMAIN 0x0010 -#define RDATASET_ATTR_CACHE 0x1000 /* for debug */ -#define RDATASET_ATTR_CANCELED 0x2000 /* for debug */ +#define RDATASET_ATTR_RESIGN 0x0020 +#define RDATASET_ATTR_STATCOUNT 0x0040 typedef struct acache_cbarg { - dns_rdatasetadditional_t type; - unsigned int count; - dns_db_t *db; - dns_dbnode_t *node; - rdatasetheader_t *header; + dns_rdatasetadditional_t type; + unsigned int count; + dns_db_t *db; + dns_dbnode_t *node; + rdatasetheader_t *header; } acache_cbarg_t; struct acachectl { - dns_acacheentry_t *entry; - acache_cbarg_t *cbarg; + dns_acacheentry_t *entry; + acache_cbarg_t *cbarg; }; /* @@ -298,129 +295,105 @@ struct acachectl { #undef IGNORE /* WIN32 winbase.h defines this. */ #define EXISTS(header) \ - (((header)->attributes & RDATASET_ATTR_NONEXISTENT) == 0) + (((header)->attributes & RDATASET_ATTR_NONEXISTENT) == 0) #define NONEXISTENT(header) \ - (((header)->attributes & RDATASET_ATTR_NONEXISTENT) != 0) + (((header)->attributes & RDATASET_ATTR_NONEXISTENT) != 0) #define IGNORE(header) \ - (((header)->attributes & RDATASET_ATTR_IGNORE) != 0) + (((header)->attributes & RDATASET_ATTR_IGNORE) != 0) #define RETAIN(header) \ - (((header)->attributes & RDATASET_ATTR_RETAIN) != 0) + (((header)->attributes & RDATASET_ATTR_RETAIN) != 0) #define NXDOMAIN(header) \ - (((header)->attributes & RDATASET_ATTR_NXDOMAIN) != 0) + (((header)->attributes & RDATASET_ATTR_NXDOMAIN) != 0) #define DEFAULT_NODE_LOCK_COUNT 7 /*%< Should be prime. */ #define DEFAULT_CACHE_NODE_LOCK_COUNT 1009 /*%< Should be prime. */ typedef struct { - nodelock_t lock; - /* Protected in the refcount routines. */ - isc_refcount_t references; - /* Locked by lock. */ - isc_boolean_t exiting; + nodelock_t lock; + /* Protected in the refcount routines. */ + isc_refcount_t references; + /* Locked by lock. */ + isc_boolean_t exiting; } rbtdb_nodelock_t; typedef struct rbtdb_changed { - dns_rbtnode_t * node; - isc_boolean_t dirty; - ISC_LINK(struct rbtdb_changed) link; + dns_rbtnode_t * node; + isc_boolean_t dirty; + ISC_LINK(struct rbtdb_changed) link; } rbtdb_changed_t; typedef ISC_LIST(rbtdb_changed_t) rbtdb_changedlist_t; typedef struct rbtdb_version { - /* Not locked */ - rbtdb_serial_t serial; - /* - * Protected in the refcount routines. - * XXXJT: should we change the lock policy based on the refcount - * performance? - */ - isc_refcount_t references; - /* Locked by database lock. */ - isc_boolean_t writer; - isc_boolean_t commit_ok; - rbtdb_changedlist_t changed_list; - ISC_LINK(struct rbtdb_version) link; + /* Not locked */ + rbtdb_serial_t serial; + /* + * Protected in the refcount routines. + * XXXJT: should we change the lock policy based on the refcount + * performance? + */ + isc_refcount_t references; + /* Locked by database lock. */ + isc_boolean_t writer; + isc_boolean_t commit_ok; + rbtdb_changedlist_t changed_list; + ISC_LINK(struct rbtdb_version) link; } rbtdb_version_t; typedef ISC_LIST(rbtdb_version_t) rbtdb_versionlist_t; -#ifdef LRU_DEBUG -/* statistics info for testing */ -struct cachestat { - unsigned int cache_total; - int cache_current; - unsigned int ncache_total; - int ncache_current; - unsigned int a_total; - int a_current; - unsigned int aaaa_total; - int aaaa_current; - unsigned int ns_total; - int ns_current; - unsigned int ptr_total; - int ptr_current; - unsigned int glue_total; - int glue_current; - unsigned int additional_total; - int additional_current; - - unsigned int stale_purge; - unsigned int stale_scan; - unsigned int stale_expire; - unsigned int stale_lru; -}; -#endif - typedef struct { - /* Unlocked. */ - dns_db_t common; + /* Unlocked. */ + dns_db_t common; #if DNS_RBTDB_USERWLOCK - isc_rwlock_t lock; + isc_rwlock_t lock; #else - isc_mutex_t lock; -#endif - isc_rwlock_t tree_lock; - unsigned int node_lock_count; - rbtdb_nodelock_t * node_locks; - dns_rbtnode_t * origin_node; - /* Locked by lock. */ - unsigned int active; - isc_refcount_t references; - unsigned int attributes; - rbtdb_serial_t current_serial; - rbtdb_serial_t least_serial; - rbtdb_serial_t next_serial; - rbtdb_version_t * current_version; - rbtdb_version_t * future_version; - rbtdb_versionlist_t open_versions; - isc_boolean_t overmem; - isc_task_t * task; - dns_dbnode_t *soanode; - dns_dbnode_t *nsnode; - - /* - * This is a linked list used to implement the LRU cache. There will - * be node_lock_count linked lists here. Nodes in bucket 1 will be - * placed on the linked list rdatasets[1]. - */ - rdatasetheaderlist_t *rdatasets; - rbtnodelist_t *deadnodes; - - /* - * Heaps. Each of these is used for TTL based expiry. - */ - isc_heap_t **heaps; - - /* Locked by tree_lock. */ - dns_rbt_t * tree; - isc_boolean_t secure; - - /* Unlocked */ - unsigned int quantum; -#ifdef LRU_DEBUG - struct cachestat cachestat; + isc_mutex_t lock; #endif + isc_rwlock_t tree_lock; + unsigned int node_lock_count; + rbtdb_nodelock_t * node_locks; + dns_rbtnode_t * origin_node; + dns_stats_t * rrsetstats; /* cache DB only */ + /* Locked by lock. */ + unsigned int active; + isc_refcount_t references; + unsigned int attributes; + rbtdb_serial_t current_serial; + rbtdb_serial_t least_serial; + rbtdb_serial_t next_serial; + rbtdb_version_t * current_version; + rbtdb_version_t * future_version; + rbtdb_versionlist_t open_versions; + isc_boolean_t overmem; + isc_task_t * task; + dns_dbnode_t *soanode; + dns_dbnode_t *nsnode; + + /* + * This is a linked list used to implement the LRU cache. There will + * be node_lock_count linked lists here. Nodes in bucket 1 will be + * placed on the linked list rdatasets[1]. + */ + rdatasetheaderlist_t *rdatasets; + + /*% + * Temporary storage for stale cache nodes and dynamically deleted + * nodes that await being cleaned up. + */ + rbtnodelist_t *deadnodes; + + /* + * Heaps. Each of these is used for TTL based expiry. + */ + isc_heap_t **heaps; + + /* Locked by tree_lock. */ + dns_rbt_t * tree; + isc_boolean_t secure; + + /* Unlocked */ + unsigned int quantum; } dns_rbtdb_t; #define RBTDB_ATTR_LOADED 0x01 @@ -430,27 +403,27 @@ typedef struct { * Search Context */ typedef struct { - dns_rbtdb_t * rbtdb; - rbtdb_version_t * rbtversion; - rbtdb_serial_t serial; - unsigned int options; - dns_rbtnodechain_t chain; - isc_boolean_t copy_name; - isc_boolean_t need_cleanup; - isc_boolean_t wild; - dns_rbtnode_t * zonecut; - rdatasetheader_t * zonecut_rdataset; - rdatasetheader_t * zonecut_sigrdataset; - dns_fixedname_t zonecut_name; - isc_stdtime_t now; + dns_rbtdb_t * rbtdb; + rbtdb_version_t * rbtversion; + rbtdb_serial_t serial; + unsigned int options; + dns_rbtnodechain_t chain; + isc_boolean_t copy_name; + isc_boolean_t need_cleanup; + isc_boolean_t wild; + dns_rbtnode_t * zonecut; + rdatasetheader_t * zonecut_rdataset; + rdatasetheader_t * zonecut_sigrdataset; + dns_fixedname_t zonecut_name; + isc_stdtime_t now; } rbtdb_search_t; /*% * Load Context */ typedef struct { - dns_rbtdb_t * rbtdb; - isc_stdtime_t now; + dns_rbtdb_t * rbtdb; + isc_stdtime_t now; } rbtdb_load_t; static void rdataset_disassociate(dns_rdataset_t *rdataset); @@ -460,96 +433,96 @@ static void rdataset_current(dns_rdataset_t *rdataset, dns_rdata_t *rdata); static void rdataset_clone(dns_rdataset_t *source, dns_rdataset_t *target); static unsigned int rdataset_count(dns_rdataset_t *rdataset); static isc_result_t rdataset_getnoqname(dns_rdataset_t *rdataset, - dns_name_t *name, - dns_rdataset_t *nsec, - dns_rdataset_t *nsecsig); + dns_name_t *name, + dns_rdataset_t *nsec, + dns_rdataset_t *nsecsig); static isc_result_t rdataset_getadditional(dns_rdataset_t *rdataset, - dns_rdatasetadditional_t type, - dns_rdatatype_t qtype, - dns_acache_t *acache, - dns_zone_t **zonep, - dns_db_t **dbp, - dns_dbversion_t **versionp, - dns_dbnode_t **nodep, - dns_name_t *fname, - dns_message_t *msg, - isc_stdtime_t now); + dns_rdatasetadditional_t type, + dns_rdatatype_t qtype, + dns_acache_t *acache, + dns_zone_t **zonep, + dns_db_t **dbp, + dns_dbversion_t **versionp, + dns_dbnode_t **nodep, + dns_name_t *fname, + dns_message_t *msg, + isc_stdtime_t now); static isc_result_t rdataset_setadditional(dns_rdataset_t *rdataset, - dns_rdatasetadditional_t type, - dns_rdatatype_t qtype, - dns_acache_t *acache, - dns_zone_t *zone, - dns_db_t *db, - dns_dbversion_t *version, - dns_dbnode_t *node, - dns_name_t *fname); + dns_rdatasetadditional_t type, + dns_rdatatype_t qtype, + dns_acache_t *acache, + dns_zone_t *zone, + dns_db_t *db, + dns_dbversion_t *version, + dns_dbnode_t *node, + dns_name_t *fname); static isc_result_t rdataset_putadditional(dns_acache_t *acache, - dns_rdataset_t *rdataset, - dns_rdatasetadditional_t type, - dns_rdatatype_t qtype); + dns_rdataset_t *rdataset, + dns_rdatasetadditional_t type, + dns_rdatatype_t qtype); static inline isc_boolean_t need_headerupdate(rdatasetheader_t *header, - isc_stdtime_t now); + isc_stdtime_t now); static void update_header(dns_rbtdb_t *rbtdb, rdatasetheader_t *header, - isc_stdtime_t now); + isc_stdtime_t now); static void check_stale_cache(dns_rbtdb_t *rbtdb, dns_rbtnode_t *rbtnode, - isc_stdtime_t now, isc_boolean_t tree_locked); + isc_stdtime_t now, isc_boolean_t tree_locked); static dns_rdatasetmethods_t rdataset_methods = { - rdataset_disassociate, - rdataset_first, - rdataset_next, - rdataset_current, - rdataset_clone, - rdataset_count, - NULL, - rdataset_getnoqname, - rdataset_getadditional, - rdataset_setadditional, - rdataset_putadditional + rdataset_disassociate, + rdataset_first, + rdataset_next, + rdataset_current, + rdataset_clone, + rdataset_count, + NULL, + rdataset_getnoqname, + rdataset_getadditional, + rdataset_setadditional, + rdataset_putadditional }; static void rdatasetiter_destroy(dns_rdatasetiter_t **iteratorp); static isc_result_t rdatasetiter_first(dns_rdatasetiter_t *iterator); static isc_result_t rdatasetiter_next(dns_rdatasetiter_t *iterator); static void rdatasetiter_current(dns_rdatasetiter_t *iterator, - dns_rdataset_t *rdataset); + dns_rdataset_t *rdataset); static dns_rdatasetitermethods_t rdatasetiter_methods = { - rdatasetiter_destroy, - rdatasetiter_first, - rdatasetiter_next, - rdatasetiter_current + rdatasetiter_destroy, + rdatasetiter_first, + rdatasetiter_next, + rdatasetiter_current }; typedef struct rbtdb_rdatasetiter { - dns_rdatasetiter_t common; - rdatasetheader_t * current; + dns_rdatasetiter_t common; + rdatasetheader_t * current; } rbtdb_rdatasetiter_t; static void dbiterator_destroy(dns_dbiterator_t **iteratorp); static isc_result_t dbiterator_first(dns_dbiterator_t *iterator); static isc_result_t dbiterator_last(dns_dbiterator_t *iterator); static isc_result_t dbiterator_seek(dns_dbiterator_t *iterator, - dns_name_t *name); + dns_name_t *name); static isc_result_t dbiterator_prev(dns_dbiterator_t *iterator); static isc_result_t dbiterator_next(dns_dbiterator_t *iterator); static isc_result_t dbiterator_current(dns_dbiterator_t *iterator, - dns_dbnode_t **nodep, - dns_name_t *name); + dns_dbnode_t **nodep, + dns_name_t *name); static isc_result_t dbiterator_pause(dns_dbiterator_t *iterator); static isc_result_t dbiterator_origin(dns_dbiterator_t *iterator, - dns_name_t *name); + dns_name_t *name); static dns_dbiteratormethods_t dbiterator_methods = { - dbiterator_destroy, - dbiterator_first, - dbiterator_last, - dbiterator_seek, - dbiterator_prev, - dbiterator_next, - dbiterator_current, - dbiterator_pause, - dbiterator_origin + dbiterator_destroy, + dbiterator_first, + dbiterator_last, + dbiterator_seek, + dbiterator_prev, + dbiterator_next, + dbiterator_current, + dbiterator_pause, + dbiterator_origin }; #define DELETION_BATCH_MAX 64 @@ -558,17 +531,17 @@ static dns_dbiteratormethods_t dbiterator_methods = { * If 'paused' is ISC_TRUE, then the tree lock is not being held. */ typedef struct rbtdb_dbiterator { - dns_dbiterator_t common; - isc_boolean_t paused; - isc_boolean_t new_origin; - isc_rwlocktype_t tree_locked; - isc_result_t result; - dns_fixedname_t name; - dns_fixedname_t origin; - dns_rbtnodechain_t chain; - dns_rbtnode_t *node; - dns_rbtnode_t *deletions[DELETION_BATCH_MAX]; - int delete; + dns_dbiterator_t common; + isc_boolean_t paused; + isc_boolean_t new_origin; + isc_rwlocktype_t tree_locked; + isc_result_t result; + dns_fixedname_t name; + dns_fixedname_t origin; + dns_rbtnodechain_t chain; + dns_rbtnode_t *node; + dns_rbtnode_t *deletions[DELETION_BATCH_MAX]; + int delete; } rbtdb_dbiterator_t; @@ -576,7 +549,7 @@ typedef struct rbtdb_dbiterator { #define IS_CACHE(rbtdb) (((rbtdb)->common.attributes & DNS_DBATTR_CACHE) != 0) static void free_rbtdb(dns_rbtdb_t *rbtdb, isc_boolean_t log, - isc_event_t *event); + isc_event_t *event); static void overmem(dns_db_t *db, isc_boolean_t overmem); /*% @@ -621,49 +594,75 @@ static unsigned int init_count; static void attach(dns_db_t *source, dns_db_t **targetp) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)source; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)source; - REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(VALID_RBTDB(rbtdb)); - isc_refcount_increment(&rbtdb->references, NULL); + isc_refcount_increment(&rbtdb->references, NULL); - *targetp = source; + *targetp = source; } static void free_rbtdb_callback(isc_task_t *task, isc_event_t *event) { - dns_rbtdb_t *rbtdb = event->ev_arg; + dns_rbtdb_t *rbtdb = event->ev_arg; + + UNUSED(task); - UNUSED(task); + free_rbtdb(rbtdb, ISC_TRUE, event); +} - free_rbtdb(rbtdb, ISC_TRUE, event); +static void +update_rrsetstats(dns_rbtdb_t *rbtdb, rdatasetheader_t *header, + isc_boolean_t increment) +{ + dns_rdatastatstype_t statattributes = 0; + dns_rdatastatstype_t base = 0; + dns_rdatastatstype_t type; + + /* At the moment we count statistics only for cache DB */ + INSIST(IS_CACHE(rbtdb)); + + if (NXDOMAIN(header)) + statattributes = DNS_RDATASTATSTYPE_ATTR_NXDOMAIN; + else if (RBTDB_RDATATYPE_BASE(header->type) == 0) { + statattributes = DNS_RDATASTATSTYPE_ATTR_NXRRSET; + base = RBTDB_RDATATYPE_EXT(header->type); + } else + base = RBTDB_RDATATYPE_BASE(header->type); + + type = DNS_RDATASTATSTYPE_VALUE(base, statattributes); + if (increment) + dns_rdatasetstats_increment(rbtdb->rrsetstats, type); + else + dns_rdatasetstats_decrement(rbtdb->rrsetstats, type); } static void set_ttl(dns_rbtdb_t *rbtdb, rdatasetheader_t *header, dns_ttl_t newttl) { - int idx; - isc_heap_t *heap; - dns_ttl_t oldttl; - - oldttl = header->rdh_ttl; - header->rdh_ttl = newttl; - - /* - * It's possible the rbtdb is not a cache. If this is the case, - * we will not have a heap, and we move on. If we do, though, - * we might need to adjust things. - */ - if (header->heap_index == 0 || newttl == oldttl) - return; - idx = header->node->locknum; - if (rbtdb->heaps == NULL || rbtdb->heaps[idx] == NULL) - return; - heap = rbtdb->heaps[idx]; - - if (newttl < oldttl) - isc_heap_increased(heap, header->heap_index); - else - isc_heap_decreased(heap, header->heap_index); + int idx; + isc_heap_t *heap; + dns_ttl_t oldttl; + + oldttl = header->rdh_ttl; + header->rdh_ttl = newttl; + + /* + * It's possible the rbtdb is not a cache. If this is the case, + * we will not have a heap, and we move on. If we do, though, + * we might need to adjust things. + */ + if (header->heap_index == 0 || newttl == oldttl) + return; + idx = header->node->locknum; + if (rbtdb->heaps == NULL || rbtdb->heaps[idx] == NULL) + return; + heap = rbtdb->heaps[idx]; + + if (newttl < oldttl) + isc_heap_increased(heap, header->heap_index); + else + isc_heap_decreased(heap, header->heap_index); } /*% @@ -672,12 +671,12 @@ set_ttl(dns_rbtdb_t *rbtdb, rdatasetheader_t *header, dns_ttl_t newttl) { */ static isc_boolean_t ttl_sooner(void *v1, void *v2) { - rdatasetheader_t *h1 = v1; - rdatasetheader_t *h2 = v2; + rdatasetheader_t *h1 = v1; + rdatasetheader_t *h2 = v2; - if (h1->rdh_ttl < h2->rdh_ttl) - return (ISC_TRUE); - return (ISC_FALSE); + if (h1->rdh_ttl < h2->rdh_ttl) + return (ISC_TRUE); + return (ISC_FALSE); } /*% @@ -685,9 +684,9 @@ ttl_sooner(void *v1, void *v2) { */ static void ttl_set_index(void *what, unsigned int index) { - rdatasetheader_t *h = what; + rdatasetheader_t *h = what; - h->heap_index = index; + h->heap_index = index; } /*% @@ -698,755 +697,663 @@ ttl_set_index(void *what, unsigned int index) { */ static unsigned int adjust_quantum(unsigned int old, isc_time_t *start) { - unsigned int pps = dns_pps; /* packets per second */ - unsigned int interval; - isc_uint64_t usecs; - isc_time_t end; - unsigned int new; - - if (pps < 100) - pps = 100; - isc_time_now(&end); - - interval = 1000000 / pps; /* interval in usec */ - if (interval == 0) - interval = 1; - usecs = isc_time_microdiff(&end, start); - if (usecs == 0) { - /* - * We were unable to measure the amount of time taken. - * Double the nodes deleted next time. - */ - old *= 2; - if (old > 1000) - old = 1000; - return (old); - } - new = old * interval; - new /= (unsigned int)usecs; - if (new == 0) - new = 1; - else if (new > 1000) - new = 1000; - - /* Smooth */ - new = (new + old * 3) / 4; - - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_CACHE, - ISC_LOG_DEBUG(1), "adjust_quantum -> %d", new); - - return (new); + unsigned int pps = dns_pps; /* packets per second */ + unsigned int interval; + isc_uint64_t usecs; + isc_time_t end; + unsigned int new; + + if (pps < 100) + pps = 100; + isc_time_now(&end); + + interval = 1000000 / pps; /* interval in usec */ + if (interval == 0) + interval = 1; + usecs = isc_time_microdiff(&end, start); + if (usecs == 0) { + /* + * We were unable to measure the amount of time taken. + * Double the nodes deleted next time. + */ + old *= 2; + if (old > 1000) + old = 1000; + return (old); + } + new = old * interval; + new /= (unsigned int)usecs; + if (new == 0) + new = 1; + else if (new > 1000) + new = 1000; + + /* Smooth */ + new = (new + old * 3) / 4; + + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_CACHE, + ISC_LOG_DEBUG(1), "adjust_quantum -> %d", new); + + return (new); } static void free_rbtdb(dns_rbtdb_t *rbtdb, isc_boolean_t log, isc_event_t *event) { - unsigned int i; - isc_ondestroy_t ondest; - isc_result_t result; - char buf[DNS_NAME_FORMATSIZE]; - isc_time_t start; - - if (IS_CACHE(rbtdb) && rbtdb->common.rdclass == dns_rdataclass_in) - overmem((dns_db_t *)rbtdb, (isc_boolean_t)-1); - - REQUIRE(rbtdb->current_version != NULL || EMPTY(rbtdb->open_versions)); - REQUIRE(rbtdb->future_version == NULL); - - if (rbtdb->current_version != NULL) { - unsigned int refs; - - isc_refcount_decrement(&rbtdb->current_version->references, - &refs); - INSIST(refs == 0); - UNLINK(rbtdb->open_versions, rbtdb->current_version, link); - isc_refcount_destroy(&rbtdb->current_version->references); - isc_mem_put(rbtdb->common.mctx, rbtdb->current_version, - sizeof(rbtdb_version_t)); - } - if (IS_CACHE(rbtdb)) { - /* - * We assume the number of remaining dead nodes is reasonably - * small; the overhead of unlinking all nodes here should be - * negligible. - */ - for (i = 0; i < rbtdb->node_lock_count; i++) { - dns_rbtnode_t *node; - - node = ISC_LIST_HEAD(rbtdb->deadnodes[i]); - while (node != NULL) { - ISC_LIST_UNLINK(rbtdb->deadnodes[i], node, - deadlink); - node = ISC_LIST_HEAD(rbtdb->deadnodes[i]); - } - } - } - if (event == NULL) - rbtdb->quantum = (rbtdb->task != NULL) ? 100 : 0; + unsigned int i; + isc_ondestroy_t ondest; + isc_result_t result; + char buf[DNS_NAME_FORMATSIZE]; + isc_time_t start; + + if (IS_CACHE(rbtdb) && rbtdb->common.rdclass == dns_rdataclass_in) + overmem((dns_db_t *)rbtdb, (isc_boolean_t)-1); + + REQUIRE(rbtdb->current_version != NULL || EMPTY(rbtdb->open_versions)); + REQUIRE(rbtdb->future_version == NULL); + + if (rbtdb->current_version != NULL) { + unsigned int refs; + + isc_refcount_decrement(&rbtdb->current_version->references, + &refs); + INSIST(refs == 0); + UNLINK(rbtdb->open_versions, rbtdb->current_version, link); + isc_refcount_destroy(&rbtdb->current_version->references); + isc_mem_put(rbtdb->common.mctx, rbtdb->current_version, + sizeof(rbtdb_version_t)); + } + + /* + * We assume the number of remaining dead nodes is reasonably small; + * the overhead of unlinking all nodes here should be negligible. + */ + for (i = 0; i < rbtdb->node_lock_count; i++) { + dns_rbtnode_t *node; + + node = ISC_LIST_HEAD(rbtdb->deadnodes[i]); + while (node != NULL) { + ISC_LIST_UNLINK(rbtdb->deadnodes[i], node, deadlink); + node = ISC_LIST_HEAD(rbtdb->deadnodes[i]); + } + } + + if (event == NULL) + rbtdb->quantum = (rbtdb->task != NULL) ? 100 : 0; again: - if (rbtdb->tree != NULL) { - isc_time_now(&start); - result = dns_rbt_destroy2(&rbtdb->tree, rbtdb->quantum); - if (result == ISC_R_QUOTA) { - INSIST(rbtdb->task != NULL); - if (rbtdb->quantum != 0) - rbtdb->quantum = adjust_quantum(rbtdb->quantum, - &start); - if (event == NULL) - event = isc_event_allocate(rbtdb->common.mctx, - NULL, - DNS_EVENT_FREESTORAGE, - free_rbtdb_callback, - rbtdb, - sizeof(isc_event_t)); - if (event == NULL) - goto again; - isc_task_send(rbtdb->task, &event); - return; - } - INSIST(result == ISC_R_SUCCESS && rbtdb->tree == NULL); - } - if (event != NULL) - isc_event_free(&event); - if (log) { - if (dns_name_dynamic(&rbtdb->common.origin)) - dns_name_format(&rbtdb->common.origin, buf, - sizeof(buf)); - else - strcpy(buf, "<UNKNOWN>"); - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_CACHE, ISC_LOG_DEBUG(1), - "done free_rbtdb(%s)", buf); - } - if (dns_name_dynamic(&rbtdb->common.origin)) - dns_name_free(&rbtdb->common.origin, rbtdb->common.mctx); - for (i = 0; i < rbtdb->node_lock_count; i++) { - isc_refcount_destroy(&rbtdb->node_locks[i].references); - NODE_DESTROYLOCK(&rbtdb->node_locks[i].lock); - } - - /* - * Clean up LRU cache objects. - */ - if (rbtdb->rdatasets != NULL) { - for (i = 0; i < rbtdb->node_lock_count; i++) - INSIST(ISC_LIST_EMPTY(rbtdb->rdatasets[i])); - isc_mem_put(rbtdb->common.mctx, rbtdb->rdatasets, - rbtdb->node_lock_count * - sizeof(rdatasetheaderlist_t)); - } - /* - * Clean up dead node buckets. - */ - if (rbtdb->deadnodes != NULL) { - for (i = 0; i < rbtdb->node_lock_count; i++) - INSIST(ISC_LIST_EMPTY(rbtdb->deadnodes[i])); - isc_mem_put(rbtdb->common.mctx, rbtdb->deadnodes, - rbtdb->node_lock_count * sizeof(rbtnodelist_t)); - } - /* - * Clean up TTL heap cache objects. - */ - if (rbtdb->heaps != NULL) { - for (i = 0; i < rbtdb->node_lock_count; i++) - isc_heap_destroy(&rbtdb->heaps[i]); - isc_mem_put(rbtdb->common.mctx, rbtdb->heaps, - rbtdb->node_lock_count * - sizeof(isc_heap_t *)); - } - - isc_mem_put(rbtdb->common.mctx, rbtdb->node_locks, - rbtdb->node_lock_count * sizeof(rbtdb_nodelock_t)); - isc_rwlock_destroy(&rbtdb->tree_lock); - isc_refcount_destroy(&rbtdb->references); - if (rbtdb->task != NULL) - isc_task_detach(&rbtdb->task); - -#ifdef LRU_DEBUG - /* Experimental logging about memory usage */ - if (IS_CACHE(rbtdb) && rbtdb->common.rdclass == dns_rdataclass_in) { - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_CACHE, ISC_LOG_INFO, - "cache DB %p: mem inuse %lu, XXX node, " - "%d/%u current/total cache, %d/%u neg, %d/%u A, %d/%u AAAA, " - "%d/%u NS, %d/%u PTR, %d/%u glue, " - "%d/%u additional, purge/scan=%u(%u expiry, %u lru)/%u, " - "overmem=%d", - rbtdb, - (unsigned long)isc_mem_inuse(rbtdb->common.mctx), - rbtdb->cachestat.cache_current, rbtdb->cachestat.cache_total, - rbtdb->cachestat.ncache_current, rbtdb->cachestat.ncache_total, - rbtdb->cachestat.a_current, rbtdb->cachestat.a_total, - rbtdb->cachestat.aaaa_current, rbtdb->cachestat.aaaa_total, - rbtdb->cachestat.ns_current, rbtdb->cachestat.ns_total, - rbtdb->cachestat.ptr_current, rbtdb->cachestat.ptr_total, - rbtdb->cachestat.glue_current, rbtdb->cachestat.glue_total, - rbtdb->cachestat.additional_current, - rbtdb->cachestat.additional_total, - rbtdb->cachestat.stale_purge, rbtdb->cachestat.stale_expire, - rbtdb->cachestat.stale_lru, rbtdb->cachestat.stale_scan, - rbtdb->overmem); - INSIST(rbtdb->cachestat.cache_current == 0); - INSIST(rbtdb->cachestat.ncache_current == 0); - INSIST(rbtdb->cachestat.a_current == 0); - INSIST(rbtdb->cachestat.aaaa_current == 0); - INSIST(rbtdb->cachestat.ns_current == 0); - INSIST(rbtdb->cachestat.ptr_current == 0); - INSIST(rbtdb->cachestat.glue_current == 0); - INSIST(rbtdb->cachestat.additional_current == 0); - } -#endif - - RBTDB_DESTROYLOCK(&rbtdb->lock); - rbtdb->common.magic = 0; - rbtdb->common.impmagic = 0; - ondest = rbtdb->common.ondest; - isc_mem_putanddetach(&rbtdb->common.mctx, rbtdb, sizeof(*rbtdb)); - isc_ondestroy_notify(&ondest, rbtdb); + if (rbtdb->tree != NULL) { + isc_time_now(&start); + result = dns_rbt_destroy2(&rbtdb->tree, rbtdb->quantum); + if (result == ISC_R_QUOTA) { + INSIST(rbtdb->task != NULL); + if (rbtdb->quantum != 0) + rbtdb->quantum = adjust_quantum(rbtdb->quantum, + &start); + if (event == NULL) + event = isc_event_allocate(rbtdb->common.mctx, + NULL, + DNS_EVENT_FREESTORAGE, + free_rbtdb_callback, + rbtdb, + sizeof(isc_event_t)); + if (event == NULL) + goto again; + isc_task_send(rbtdb->task, &event); + return; + } + INSIST(result == ISC_R_SUCCESS && rbtdb->tree == NULL); + } + if (event != NULL) + isc_event_free(&event); + if (log) { + if (dns_name_dynamic(&rbtdb->common.origin)) + dns_name_format(&rbtdb->common.origin, buf, + sizeof(buf)); + else + strcpy(buf, "<UNKNOWN>"); + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE, ISC_LOG_DEBUG(1), + "done free_rbtdb(%s)", buf); + } + if (dns_name_dynamic(&rbtdb->common.origin)) + dns_name_free(&rbtdb->common.origin, rbtdb->common.mctx); + for (i = 0; i < rbtdb->node_lock_count; i++) { + isc_refcount_destroy(&rbtdb->node_locks[i].references); + NODE_DESTROYLOCK(&rbtdb->node_locks[i].lock); + } + + /* + * Clean up LRU cache objects. + */ + if (rbtdb->rdatasets != NULL) { + for (i = 0; i < rbtdb->node_lock_count; i++) + INSIST(ISC_LIST_EMPTY(rbtdb->rdatasets[i])); + isc_mem_put(rbtdb->common.mctx, rbtdb->rdatasets, + rbtdb->node_lock_count * + sizeof(rdatasetheaderlist_t)); + } + /* + * Clean up dead node buckets. + */ + if (rbtdb->deadnodes != NULL) { + for (i = 0; i < rbtdb->node_lock_count; i++) + INSIST(ISC_LIST_EMPTY(rbtdb->deadnodes[i])); + isc_mem_put(rbtdb->common.mctx, rbtdb->deadnodes, + rbtdb->node_lock_count * sizeof(rbtnodelist_t)); + } + /* + * Clean up TTL heap cache objects. + */ + if (rbtdb->heaps != NULL) { + for (i = 0; i < rbtdb->node_lock_count; i++) + isc_heap_destroy(&rbtdb->heaps[i]); + isc_mem_put(rbtdb->common.mctx, rbtdb->heaps, + rbtdb->node_lock_count * + sizeof(isc_heap_t *)); + } + + if (rbtdb->rrsetstats != NULL) + dns_stats_detach(&rbtdb->rrsetstats); + + isc_mem_put(rbtdb->common.mctx, rbtdb->node_locks, + rbtdb->node_lock_count * sizeof(rbtdb_nodelock_t)); + isc_rwlock_destroy(&rbtdb->tree_lock); + isc_refcount_destroy(&rbtdb->references); + if (rbtdb->task != NULL) + isc_task_detach(&rbtdb->task); + + RBTDB_DESTROYLOCK(&rbtdb->lock); + rbtdb->common.magic = 0; + rbtdb->common.impmagic = 0; + ondest = rbtdb->common.ondest; + isc_mem_putanddetach(&rbtdb->common.mctx, rbtdb, sizeof(*rbtdb)); + isc_ondestroy_notify(&ondest, rbtdb); } static inline void maybe_free_rbtdb(dns_rbtdb_t *rbtdb) { - isc_boolean_t want_free = ISC_FALSE; - unsigned int i; - unsigned int inactive = 0; - - /* XXX check for open versions here */ - - if (rbtdb->soanode != NULL) - dns_db_detachnode((dns_db_t *)rbtdb, &rbtdb->soanode); - if (rbtdb->nsnode != NULL) - dns_db_detachnode((dns_db_t *)rbtdb, &rbtdb->nsnode); - - /* - * Even though there are no external direct references, there still - * may be nodes in use. - */ - for (i = 0; i < rbtdb->node_lock_count; i++) { - NODE_LOCK(&rbtdb->node_locks[i].lock, isc_rwlocktype_write); - rbtdb->node_locks[i].exiting = ISC_TRUE; - NODE_UNLOCK(&rbtdb->node_locks[i].lock, isc_rwlocktype_write); - if (isc_refcount_current(&rbtdb->node_locks[i].references) - == 0) { - inactive++; - } - } - - if (inactive != 0) { - RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); - rbtdb->active -= inactive; - if (rbtdb->active == 0) - want_free = ISC_TRUE; - RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); - if (want_free) { - char buf[DNS_NAME_FORMATSIZE]; - if (dns_name_dynamic(&rbtdb->common.origin)) - dns_name_format(&rbtdb->common.origin, buf, - sizeof(buf)); - else - strcpy(buf, "<UNKNOWN>"); - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_CACHE, ISC_LOG_DEBUG(1), - "calling free_rbtdb(%s)", buf); - free_rbtdb(rbtdb, ISC_TRUE, NULL); - } - } + isc_boolean_t want_free = ISC_FALSE; + unsigned int i; + unsigned int inactive = 0; + + /* XXX check for open versions here */ + + if (rbtdb->soanode != NULL) + dns_db_detachnode((dns_db_t *)rbtdb, &rbtdb->soanode); + if (rbtdb->nsnode != NULL) + dns_db_detachnode((dns_db_t *)rbtdb, &rbtdb->nsnode); + + /* + * Even though there are no external direct references, there still + * may be nodes in use. + */ + for (i = 0; i < rbtdb->node_lock_count; i++) { + NODE_LOCK(&rbtdb->node_locks[i].lock, isc_rwlocktype_write); + rbtdb->node_locks[i].exiting = ISC_TRUE; + NODE_UNLOCK(&rbtdb->node_locks[i].lock, isc_rwlocktype_write); + if (isc_refcount_current(&rbtdb->node_locks[i].references) + == 0) { + inactive++; + } + } + + if (inactive != 0) { + RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); + rbtdb->active -= inactive; + if (rbtdb->active == 0) + want_free = ISC_TRUE; + RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); + if (want_free) { + char buf[DNS_NAME_FORMATSIZE]; + if (dns_name_dynamic(&rbtdb->common.origin)) + dns_name_format(&rbtdb->common.origin, buf, + sizeof(buf)); + else + strcpy(buf, "<UNKNOWN>"); + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE, ISC_LOG_DEBUG(1), + "calling free_rbtdb(%s)", buf); + free_rbtdb(rbtdb, ISC_TRUE, NULL); + } + } } static void detach(dns_db_t **dbp) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)(*dbp); - unsigned int refs; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)(*dbp); + unsigned int refs; - REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(VALID_RBTDB(rbtdb)); - isc_refcount_decrement(&rbtdb->references, &refs); + isc_refcount_decrement(&rbtdb->references, &refs); - if (refs == 0) - maybe_free_rbtdb(rbtdb); + if (refs == 0) + maybe_free_rbtdb(rbtdb); - *dbp = NULL; + *dbp = NULL; } static void currentversion(dns_db_t *db, dns_dbversion_t **versionp) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - rbtdb_version_t *version; - unsigned int refs; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + rbtdb_version_t *version; + unsigned int refs; - REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(VALID_RBTDB(rbtdb)); - RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_read); - version = rbtdb->current_version; - isc_refcount_increment(&version->references, &refs); - RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_read); + RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_read); + version = rbtdb->current_version; + isc_refcount_increment(&version->references, &refs); + RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_read); - *versionp = (dns_dbversion_t *)version; + *versionp = (dns_dbversion_t *)version; } static inline rbtdb_version_t * allocate_version(isc_mem_t *mctx, rbtdb_serial_t serial, - unsigned int references, isc_boolean_t writer) + unsigned int references, isc_boolean_t writer) { - isc_result_t result; - rbtdb_version_t *version; - - version = isc_mem_get(mctx, sizeof(*version)); - if (version == NULL) - return (NULL); - version->serial = serial; - result = isc_refcount_init(&version->references, references); - if (result != ISC_R_SUCCESS) { - isc_mem_put(mctx, version, sizeof(*version)); - return (NULL); - } - version->writer = writer; - version->commit_ok = ISC_FALSE; - ISC_LIST_INIT(version->changed_list); - ISC_LINK_INIT(version, link); - - return (version); + isc_result_t result; + rbtdb_version_t *version; + + version = isc_mem_get(mctx, sizeof(*version)); + if (version == NULL) + return (NULL); + version->serial = serial; + result = isc_refcount_init(&version->references, references); + if (result != ISC_R_SUCCESS) { + isc_mem_put(mctx, version, sizeof(*version)); + return (NULL); + } + version->writer = writer; + version->commit_ok = ISC_FALSE; + ISC_LIST_INIT(version->changed_list); + ISC_LINK_INIT(version, link); + + return (version); } static isc_result_t newversion(dns_db_t *db, dns_dbversion_t **versionp) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - rbtdb_version_t *version; - - REQUIRE(VALID_RBTDB(rbtdb)); - REQUIRE(versionp != NULL && *versionp == NULL); - REQUIRE(rbtdb->future_version == NULL); - - RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); - RUNTIME_CHECK(rbtdb->next_serial != 0); /* XXX Error? */ - version = allocate_version(rbtdb->common.mctx, rbtdb->next_serial, 1, - ISC_TRUE); - if (version != NULL) { - version->commit_ok = ISC_TRUE; - rbtdb->next_serial++; - rbtdb->future_version = version; - } - RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); - - if (version == NULL) - return (ISC_R_NOMEMORY); - - *versionp = version; - - return (ISC_R_SUCCESS); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + rbtdb_version_t *version; + + REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(versionp != NULL && *versionp == NULL); + REQUIRE(rbtdb->future_version == NULL); + + RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); + RUNTIME_CHECK(rbtdb->next_serial != 0); /* XXX Error? */ + version = allocate_version(rbtdb->common.mctx, rbtdb->next_serial, 1, + ISC_TRUE); + if (version != NULL) { + version->commit_ok = ISC_TRUE; + rbtdb->next_serial++; + rbtdb->future_version = version; + } + RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); + + if (version == NULL) + return (ISC_R_NOMEMORY); + + *versionp = version; + + return (ISC_R_SUCCESS); } static void attachversion(dns_db_t *db, dns_dbversion_t *source, - dns_dbversion_t **targetp) + dns_dbversion_t **targetp) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - rbtdb_version_t *rbtversion = source; - unsigned int refs; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + rbtdb_version_t *rbtversion = source; + unsigned int refs; - REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(VALID_RBTDB(rbtdb)); - isc_refcount_increment(&rbtversion->references, &refs); - INSIST(refs > 1); + isc_refcount_increment(&rbtversion->references, &refs); + INSIST(refs > 1); - *targetp = rbtversion; + *targetp = rbtversion; } static rbtdb_changed_t * add_changed(dns_rbtdb_t *rbtdb, rbtdb_version_t *version, - dns_rbtnode_t *node) + dns_rbtnode_t *node) { - rbtdb_changed_t *changed; - unsigned int refs; + rbtdb_changed_t *changed; + unsigned int refs; - /* - * Caller must be holding the node lock if its reference must be - * protected by the lock. - */ + /* + * Caller must be holding the node lock if its reference must be + * protected by the lock. + */ - changed = isc_mem_get(rbtdb->common.mctx, sizeof(*changed)); + changed = isc_mem_get(rbtdb->common.mctx, sizeof(*changed)); - RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); + RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); - REQUIRE(version->writer); + REQUIRE(version->writer); - if (changed != NULL) { - dns_rbtnode_refincrement(node, &refs); - INSIST(refs != 0); - changed->node = node; - changed->dirty = ISC_FALSE; - ISC_LIST_INITANDAPPEND(version->changed_list, changed, link); - } else - version->commit_ok = ISC_FALSE; + if (changed != NULL) { + dns_rbtnode_refincrement(node, &refs); + INSIST(refs != 0); + changed->node = node; + changed->dirty = ISC_FALSE; + ISC_LIST_INITANDAPPEND(version->changed_list, changed, link); + } else + version->commit_ok = ISC_FALSE; - RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); + RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); - return (changed); + return (changed); } static void free_acachearray(isc_mem_t *mctx, rdatasetheader_t *header, - acachectl_t *array) + acachectl_t *array) { - unsigned int count; - unsigned int i; - unsigned char *raw; /* RDATASLAB */ + unsigned int count; + unsigned int i; + unsigned char *raw; /* RDATASLAB */ - /* - * The caller must be holding the corresponding node lock. - */ + /* + * The caller must be holding the corresponding node lock. + */ - if (array == NULL) - return; + if (array == NULL) + return; - raw = (unsigned char *)header + sizeof(*header); - count = raw[0] * 256 + raw[1]; + raw = (unsigned char *)header + sizeof(*header); + count = raw[0] * 256 + raw[1]; - /* - * Sanity check: since an additional cache entry has a reference to - * the original DB node (in the callback arg), there should be no - * acache entries when the node can be freed. - */ - for (i = 0; i < count; i++) - INSIST(array[i].entry == NULL && array[i].cbarg == NULL); + /* + * Sanity check: since an additional cache entry has a reference to + * the original DB node (in the callback arg), there should be no + * acache entries when the node can be freed. + */ + for (i = 0; i < count; i++) + INSIST(array[i].entry == NULL && array[i].cbarg == NULL); - isc_mem_put(mctx, array, count * sizeof(acachectl_t)); + isc_mem_put(mctx, array, count * sizeof(acachectl_t)); } static inline void free_noqname(isc_mem_t *mctx, struct noqname **noqname) { - if (dns_name_dynamic(&(*noqname)->name)) - dns_name_free(&(*noqname)->name, mctx); - if ((*noqname)->nsec != NULL) - isc_mem_put(mctx, (*noqname)->nsec, - dns_rdataslab_size((*noqname)->nsec, 0)); - if ((*noqname)->nsecsig != NULL) - isc_mem_put(mctx, (*noqname)->nsecsig, - dns_rdataslab_size((*noqname)->nsecsig, 0)); - isc_mem_put(mctx, *noqname, sizeof(**noqname)); - *noqname = NULL; + if (dns_name_dynamic(&(*noqname)->name)) + dns_name_free(&(*noqname)->name, mctx); + if ((*noqname)->nsec != NULL) + isc_mem_put(mctx, (*noqname)->nsec, + dns_rdataslab_size((*noqname)->nsec, 0)); + if ((*noqname)->nsecsig != NULL) + isc_mem_put(mctx, (*noqname)->nsecsig, + dns_rdataslab_size((*noqname)->nsecsig, 0)); + isc_mem_put(mctx, *noqname, sizeof(**noqname)); + *noqname = NULL; } static inline void init_rdataset(dns_rbtdb_t *rbtdb, rdatasetheader_t *h) { - ISC_LINK_INIT(h, lru_link); - h->heap_index = 0; + ISC_LINK_INIT(h, lru_link); + h->heap_index = 0; #if TRACE_HEADER - if (IS_CACHE(rbtdb) && rbtdb->common.rdclass == dns_rdataclass_in) - fprintf(stderr, "initialized header: %p\n", h); + if (IS_CACHE(rbtdb) && rbtdb->common.rdclass == dns_rdataclass_in) + fprintf(stderr, "initialized header: %p\n", h); #else - UNUSED(rbtdb); + UNUSED(rbtdb); #endif } static inline rdatasetheader_t * new_rdataset(dns_rbtdb_t *rbtdb, isc_mem_t *mctx) { - rdatasetheader_t *h; + rdatasetheader_t *h; - h = isc_mem_get(mctx, sizeof(*h)); - if (h == NULL) - return (NULL); + h = isc_mem_get(mctx, sizeof(*h)); + if (h == NULL) + return (NULL); #if TRACE_HEADER - if (IS_CACHE(rbtdb) && rbtdb->common.rdclass == dns_rdataclass_in) - fprintf(stderr, "allocated header: %p\n", h); + if (IS_CACHE(rbtdb) && rbtdb->common.rdclass == dns_rdataclass_in) + fprintf(stderr, "allocated header: %p\n", h); #endif - init_rdataset(rbtdb, h); - return (h); + init_rdataset(rbtdb, h); + return (h); } static inline void free_rdataset(dns_rbtdb_t *rbtdb, isc_mem_t *mctx, rdatasetheader_t *rdataset) { - unsigned int size; - -#ifdef LRU_DEBUG - /* - * for debug: statistics update. - * Nothing in this block should have any side-effects. - */ - if (EXISTS(rdataset) && - (rdataset->attributes & RDATASET_ATTR_CACHE) != 0) { - rbtdb->cachestat.cache_current--; - if ((rdataset->attributes & RDATASET_ATTR_CANCELED) != 0) - rbtdb->cachestat.cache_total--; - if (RBTDB_RDATATYPE_BASE(rdataset->type) == 0) { - rbtdb->cachestat.ncache_current--; - INSIST(rbtdb->cachestat.ncache_current >= 0); - if ((rdataset->attributes & RDATASET_ATTR_CANCELED) - != 0) - rbtdb->cachestat.ncache_total--; - } - if (rdataset->type == dns_rdatatype_a) { - rbtdb->cachestat.a_current--; - INSIST(rbtdb->cachestat.a_current >= 0); - if ((rdataset->attributes & RDATASET_ATTR_CANCELED) - != 0) - rbtdb->cachestat.a_total--; - } else if (rdataset->type == dns_rdatatype_aaaa) { - rbtdb->cachestat.aaaa_current--; - INSIST(rbtdb->cachestat.aaaa_current >= 0); - if ((rdataset->attributes & RDATASET_ATTR_CANCELED) - != 0) - rbtdb->cachestat.aaaa_total--; - } else if (rdataset->type == dns_rdatatype_ptr) { - rbtdb->cachestat.ptr_current--; - INSIST(rbtdb->cachestat.ptr_current >= 0); - if ((rdataset->attributes & RDATASET_ATTR_CANCELED) - != 0) - rbtdb->cachestat.ptr_total--; - } else if (rdataset->type == dns_rdatatype_ns) { - rbtdb->cachestat.ns_current--; - INSIST(rbtdb->cachestat.ns_current >= 0); - if ((rdataset->attributes & RDATASET_ATTR_CANCELED) - != 0) - rbtdb->cachestat.ns_total--; - } - if (rdataset->trust == dns_trust_glue && - (rdataset->type == dns_rdatatype_a || - rdataset->type == dns_rdatatype_aaaa)) { - rbtdb->cachestat.glue_current--; - INSIST(rbtdb->cachestat.glue_current >= 0); - if ((rdataset->attributes & RDATASET_ATTR_CANCELED) - != 0) - rbtdb->cachestat.glue_total--; - } - if (rdataset->trust == dns_trust_additional && - (rdataset->type == dns_rdatatype_a || - rdataset->type == dns_rdatatype_aaaa)) { - rbtdb->cachestat.additional_current--; - INSIST(rbtdb->cachestat.additional_current >= 0); - if ((rdataset->attributes & RDATASET_ATTR_CANCELED) - != 0) - rbtdb->cachestat.additional_total--; - } - } -#endif - - if (IS_CACHE(rbtdb) && ISC_LINK_LINKED(rdataset, lru_link)) { - int idx = rdataset->node->locknum; - ISC_LIST_UNLINK(rbtdb->rdatasets[idx], rdataset, lru_link); - if (rdataset->heap_index != 0) { - isc_heap_delete(rbtdb->heaps[idx], - rdataset->heap_index); - } - rdataset->heap_index = 0; - } - - if (rdataset->noqname != NULL) - free_noqname(mctx, &rdataset->noqname); - - free_acachearray(mctx, rdataset, rdataset->additional_auth); - free_acachearray(mctx, rdataset, rdataset->additional_glue); - - if ((rdataset->attributes & RDATASET_ATTR_NONEXISTENT) != 0) - size = sizeof(*rdataset); - else - size = dns_rdataslab_size((unsigned char *)rdataset, - sizeof(*rdataset)); - isc_mem_put(mctx, rdataset, size); + unsigned int size; + + if (EXISTS(rdataset) && + (rdataset->attributes & RDATASET_ATTR_STATCOUNT) != 0) { + update_rrsetstats(rbtdb, rdataset, ISC_FALSE); + } + + if (IS_CACHE(rbtdb) && ISC_LINK_LINKED(rdataset, lru_link)) { + int idx = rdataset->node->locknum; + ISC_LIST_UNLINK(rbtdb->rdatasets[idx], rdataset, lru_link); + if (rdataset->heap_index != 0) { + isc_heap_delete(rbtdb->heaps[idx], + rdataset->heap_index); + } + rdataset->heap_index = 0; + } + + if (rdataset->noqname != NULL) + free_noqname(mctx, &rdataset->noqname); + + free_acachearray(mctx, rdataset, rdataset->additional_auth); + free_acachearray(mctx, rdataset, rdataset->additional_glue); + + if ((rdataset->attributes & RDATASET_ATTR_NONEXISTENT) != 0) + size = sizeof(*rdataset); + else + size = dns_rdataslab_size((unsigned char *)rdataset, + sizeof(*rdataset)); + isc_mem_put(mctx, rdataset, size); } static inline void rollback_node(dns_rbtnode_t *node, rbtdb_serial_t serial) { - rdatasetheader_t *header, *dcurrent; - isc_boolean_t make_dirty = ISC_FALSE; - - /* - * Caller must hold the node lock. - */ - - /* - * We set the IGNORE attribute on rdatasets with serial number - * 'serial'. When the reference count goes to zero, these rdatasets - * will be cleaned up; until that time, they will be ignored. - */ - for (header = node->data; header != NULL; header = header->next) { - if (header->serial == serial) { - header->attributes |= RDATASET_ATTR_IGNORE; - make_dirty = ISC_TRUE; - } - for (dcurrent = header->down; - dcurrent != NULL; - dcurrent = dcurrent->down) { - if (dcurrent->serial == serial) { - dcurrent->attributes |= RDATASET_ATTR_IGNORE; - make_dirty = ISC_TRUE; - } - } - } - if (make_dirty) - node->dirty = 1; + rdatasetheader_t *header, *dcurrent; + isc_boolean_t make_dirty = ISC_FALSE; + + /* + * Caller must hold the node lock. + */ + + /* + * We set the IGNORE attribute on rdatasets with serial number + * 'serial'. When the reference count goes to zero, these rdatasets + * will be cleaned up; until that time, they will be ignored. + */ + for (header = node->data; header != NULL; header = header->next) { + if (header->serial == serial) { + header->attributes |= RDATASET_ATTR_IGNORE; + make_dirty = ISC_TRUE; + } + for (dcurrent = header->down; + dcurrent != NULL; + dcurrent = dcurrent->down) { + if (dcurrent->serial == serial) { + dcurrent->attributes |= RDATASET_ATTR_IGNORE; + make_dirty = ISC_TRUE; + } + } + } + if (make_dirty) + node->dirty = 1; } static inline void clean_stale_headers(dns_rbtdb_t *rbtdb, isc_mem_t *mctx, rdatasetheader_t *top) { - rdatasetheader_t *d, *down_next; + rdatasetheader_t *d, *down_next; - for (d = top->down; d != NULL; d = down_next) { - down_next = d->down; - free_rdataset(rbtdb, mctx, d); - } - top->down = NULL; + for (d = top->down; d != NULL; d = down_next) { + down_next = d->down; + free_rdataset(rbtdb, mctx, d); + } + top->down = NULL; } static inline void clean_cache_node(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node) { - rdatasetheader_t *current, *top_prev, *top_next; - isc_mem_t *mctx = rbtdb->common.mctx; - - /* - * Caller must be holding the node lock. - */ - - top_prev = NULL; - for (current = node->data; current != NULL; current = top_next) { - top_next = current->next; - clean_stale_headers(rbtdb, mctx, current); - /* - * If current is nonexistent or stale, we can clean it up. - */ - if ((current->attributes & - (RDATASET_ATTR_NONEXISTENT|RDATASET_ATTR_STALE)) != 0) { - if (top_prev != NULL) - top_prev->next = current->next; - else - node->data = current->next; - free_rdataset(rbtdb, mctx, current); - } else - top_prev = current; - } - node->dirty = 0; + rdatasetheader_t *current, *top_prev, *top_next; + isc_mem_t *mctx = rbtdb->common.mctx; + + /* + * Caller must be holding the node lock. + */ + + top_prev = NULL; + for (current = node->data; current != NULL; current = top_next) { + top_next = current->next; + clean_stale_headers(rbtdb, mctx, current); + /* + * If current is nonexistent or stale, we can clean it up. + */ + if ((current->attributes & + (RDATASET_ATTR_NONEXISTENT|RDATASET_ATTR_STALE)) != 0) { + if (top_prev != NULL) + top_prev->next = current->next; + else + node->data = current->next; + free_rdataset(rbtdb, mctx, current); + } else + top_prev = current; + } + node->dirty = 0; } static inline void clean_zone_node(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node, - rbtdb_serial_t least_serial) + rbtdb_serial_t least_serial) { - rdatasetheader_t *current, *dcurrent, *down_next, *dparent; - rdatasetheader_t *top_prev, *top_next; - isc_mem_t *mctx = rbtdb->common.mctx; - isc_boolean_t still_dirty = ISC_FALSE; - - /* - * Caller must be holding the node lock. - */ - REQUIRE(least_serial != 0); - - top_prev = NULL; - for (current = node->data; current != NULL; current = top_next) { - top_next = current->next; - - /* - * First, we clean up any instances of multiple rdatasets - * with the same serial number, or that have the IGNORE - * attribute. - */ - dparent = current; - for (dcurrent = current->down; - dcurrent != NULL; - dcurrent = down_next) { - down_next = dcurrent->down; - INSIST(dcurrent->serial <= dparent->serial); - if (dcurrent->serial == dparent->serial || - IGNORE(dcurrent)) { - if (down_next != NULL) - down_next->next = dparent; - dparent->down = down_next; - free_rdataset(rbtdb, mctx, dcurrent); - } else - dparent = dcurrent; - } - - /* - * We've now eliminated all IGNORE datasets with the possible - * exception of current, which we now check. - */ - if (IGNORE(current)) { - down_next = current->down; - if (down_next == NULL) { - if (top_prev != NULL) - top_prev->next = current->next; - else - node->data = current->next; - free_rdataset(rbtdb, mctx, current); - /* - * current no longer exists, so we can - * just continue with the loop. - */ - continue; - } else { - /* - * Pull up current->down, making it the new - * current. - */ - if (top_prev != NULL) - top_prev->next = down_next; - else - node->data = down_next; - down_next->next = top_next; - free_rdataset(rbtdb, mctx, current); - current = down_next; - } - } - - /* - * We now try to find the first down node less than the - * least serial. - */ - dparent = current; - for (dcurrent = current->down; - dcurrent != NULL; - dcurrent = down_next) { - down_next = dcurrent->down; - if (dcurrent->serial < least_serial) - break; - dparent = dcurrent; - } - - /* - * If there is a such an rdataset, delete it and any older - * versions. - */ - if (dcurrent != NULL) { - do { - down_next = dcurrent->down; - INSIST(dcurrent->serial <= least_serial); - free_rdataset(rbtdb, mctx, dcurrent); - dcurrent = down_next; - } while (dcurrent != NULL); - dparent->down = NULL; - } - - /* - * Note. The serial number of 'current' might be less than - * least_serial too, but we cannot delete it because it is - * the most recent version, unless it is a NONEXISTENT - * rdataset. - */ - if (current->down != NULL) { - still_dirty = ISC_TRUE; - top_prev = current; - } else { - /* - * If this is a NONEXISTENT rdataset, we can delete it. - */ - if (NONEXISTENT(current)) { - if (top_prev != NULL) - top_prev->next = current->next; - else - node->data = current->next; - free_rdataset(rbtdb, mctx, current); - } else - top_prev = current; - } - } - if (!still_dirty) - node->dirty = 0; + rdatasetheader_t *current, *dcurrent, *down_next, *dparent; + rdatasetheader_t *top_prev, *top_next; + isc_mem_t *mctx = rbtdb->common.mctx; + isc_boolean_t still_dirty = ISC_FALSE; + + /* + * Caller must be holding the node lock. + */ + REQUIRE(least_serial != 0); + + top_prev = NULL; + for (current = node->data; current != NULL; current = top_next) { + top_next = current->next; + + /* + * First, we clean up any instances of multiple rdatasets + * with the same serial number, or that have the IGNORE + * attribute. + */ + dparent = current; + for (dcurrent = current->down; + dcurrent != NULL; + dcurrent = down_next) { + down_next = dcurrent->down; + INSIST(dcurrent->serial <= dparent->serial); + if (dcurrent->serial == dparent->serial || + IGNORE(dcurrent)) { + if (down_next != NULL) + down_next->next = dparent; + dparent->down = down_next; + free_rdataset(rbtdb, mctx, dcurrent); + } else + dparent = dcurrent; + } + + /* + * We've now eliminated all IGNORE datasets with the possible + * exception of current, which we now check. + */ + if (IGNORE(current)) { + down_next = current->down; + if (down_next == NULL) { + if (top_prev != NULL) + top_prev->next = current->next; + else + node->data = current->next; + free_rdataset(rbtdb, mctx, current); + /* + * current no longer exists, so we can + * just continue with the loop. + */ + continue; + } else { + /* + * Pull up current->down, making it the new + * current. + */ + if (top_prev != NULL) + top_prev->next = down_next; + else + node->data = down_next; + down_next->next = top_next; + free_rdataset(rbtdb, mctx, current); + current = down_next; + } + } + + /* + * We now try to find the first down node less than the + * least serial. + */ + dparent = current; + for (dcurrent = current->down; + dcurrent != NULL; + dcurrent = down_next) { + down_next = dcurrent->down; + if (dcurrent->serial < least_serial) + break; + dparent = dcurrent; + } + + /* + * If there is a such an rdataset, delete it and any older + * versions. + */ + if (dcurrent != NULL) { + do { + down_next = dcurrent->down; + INSIST(dcurrent->serial <= least_serial); + free_rdataset(rbtdb, mctx, dcurrent); + dcurrent = down_next; + } while (dcurrent != NULL); + dparent->down = NULL; + } + + /* + * Note. The serial number of 'current' might be less than + * least_serial too, but we cannot delete it because it is + * the most recent version, unless it is a NONEXISTENT + * rdataset. + */ + if (current->down != NULL) { + still_dirty = ISC_TRUE; + top_prev = current; + } else { + /* + * If this is a NONEXISTENT rdataset, we can delete it. + */ + if (NONEXISTENT(current)) { + if (top_prev != NULL) + top_prev->next = current->next; + else + node->data = current->next; + free_rdataset(rbtdb, mctx, current); + } else + top_prev = current; + } + } + if (!still_dirty) + node->dirty = 0; } /*% @@ -1459,31 +1366,31 @@ clean_zone_node(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node, */ static void cleanup_dead_nodes(dns_rbtdb_t *rbtdb, int bucketnum) { - dns_rbtnode_t *node; - isc_result_t result; - int count = 10; /* XXXJT: should be adjustable */ - - node = ISC_LIST_HEAD(rbtdb->deadnodes[bucketnum]); - while (node != NULL && count > 0) { - ISC_LIST_UNLINK(rbtdb->deadnodes[bucketnum], node, deadlink); - - /* - * Since we're holding a tree write lock, it should be - * impossible for this node to be referenced by others. - */ - INSIST(dns_rbtnode_refcurrent(node) == 0 && - node->data == NULL); - - result = dns_rbt_deletenode(rbtdb->tree, node, ISC_FALSE); - if (result != ISC_R_SUCCESS) - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_CACHE, ISC_LOG_WARNING, - "cleanup_dead_nodes: " - "dns_rbt_deletenode: %s", - isc_result_totext(result)); - node = ISC_LIST_HEAD(rbtdb->deadnodes[bucketnum]); - count--; - } + dns_rbtnode_t *node; + isc_result_t result; + int count = 10; /* XXXJT: should be adjustable */ + + node = ISC_LIST_HEAD(rbtdb->deadnodes[bucketnum]); + while (node != NULL && count > 0) { + ISC_LIST_UNLINK(rbtdb->deadnodes[bucketnum], node, deadlink); + + /* + * Since we're holding a tree write lock, it should be + * impossible for this node to be referenced by others. + */ + INSIST(dns_rbtnode_refcurrent(node) == 0 && + node->data == NULL); + + result = dns_rbt_deletenode(rbtdb->tree, node, ISC_FALSE); + if (result != ISC_R_SUCCESS) + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE, ISC_LOG_WARNING, + "cleanup_dead_nodes: " + "dns_rbt_deletenode: %s", + isc_result_totext(result)); + node = ISC_LIST_HEAD(rbtdb->deadnodes[bucketnum]); + count--; + } } /* @@ -1492,16 +1399,16 @@ cleanup_dead_nodes(dns_rbtdb_t *rbtdb, int bucketnum) { */ static inline void new_reference(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node) { - unsigned int lockrefs, noderefs; - isc_refcount_t *lockref; - - dns_rbtnode_refincrement0(node, &noderefs); - if (noderefs == 1) { /* this is the first reference to the node */ - lockref = &rbtdb->node_locks[node->locknum].references; - isc_refcount_increment0(lockref, &lockrefs); - INSIST(lockrefs != 0); - } - INSIST(noderefs != 0); + unsigned int lockrefs, noderefs; + isc_refcount_t *lockref; + + dns_rbtnode_refincrement0(node, &noderefs); + if (noderefs == 1) { /* this is the first reference to the node */ + lockref = &rbtdb->node_locks[node->locknum].references; + isc_refcount_increment0(lockref, &lockrefs); + INSIST(lockrefs != 0); + } + INSIST(noderefs != 0); } /* @@ -1516,428 +1423,445 @@ new_reference(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node) { */ static isc_boolean_t decrement_reference(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node, - rbtdb_serial_t least_serial, - isc_rwlocktype_t nlock, isc_rwlocktype_t tlock) + rbtdb_serial_t least_serial, + isc_rwlocktype_t nlock, isc_rwlocktype_t tlock) { - isc_result_t result; - isc_boolean_t write_locked; - rbtdb_nodelock_t *nodelock; - unsigned int refs, nrefs; - int bucket = node->locknum; - - nodelock = &rbtdb->node_locks[bucket]; - - /* Handle easy and typical case first. */ - if (!node->dirty && (node->data != NULL || node->down != NULL)) { - dns_rbtnode_refdecrement(node, &nrefs); - INSIST((int)nrefs >= 0); - if (nrefs == 0) { - isc_refcount_decrement(&nodelock->references, &refs); - INSIST((int)refs >= 0); - } - return ((nrefs == 0) ? ISC_TRUE : ISC_FALSE); - } - - /* Upgrade the lock? */ - if (nlock == isc_rwlocktype_read) { - NODE_WEAKUNLOCK(&nodelock->lock, isc_rwlocktype_read); - NODE_WEAKLOCK(&nodelock->lock, isc_rwlocktype_write); - } - dns_rbtnode_refdecrement(node, &nrefs); - INSIST((int)nrefs >= 0); - if (nrefs > 0) { - /* Restore the lock? */ - if (nlock == isc_rwlocktype_read) - NODE_WEAKDOWNGRADE(&nodelock->lock); - return (ISC_FALSE); - } - - if (node->dirty && dns_rbtnode_refcurrent(node) == 0) { - if (IS_CACHE(rbtdb)) - clean_cache_node(rbtdb, node); - else { - if (least_serial == 0) { - /* - * Caller doesn't know the least serial. - * Get it. - */ - RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_read); - least_serial = rbtdb->least_serial; - RBTDB_UNLOCK(&rbtdb->lock, - isc_rwlocktype_read); - } - clean_zone_node(rbtdb, node, least_serial); - } - } - - isc_refcount_decrement(&nodelock->references, &refs); - INSIST((int)refs >= 0); - - /* - * XXXDCL should this only be done for cache zones? - */ - if (node->data != NULL || node->down != NULL) { - /* Restore the lock? */ - if (nlock == isc_rwlocktype_read) - NODE_WEAKDOWNGRADE(&nodelock->lock); - return (ISC_TRUE); - } - - /* - * Attempt to switch to a write lock on the tree. If this fails, - * we will add this node to a linked list of nodes in this locking - * bucket which we will free later. - */ - if (tlock != isc_rwlocktype_write) { - /* - * Locking hierarchy notwithstanding, we don't need to free - * the node lock before acquiring the tree write lock because - * we only do a trylock. - */ - if (tlock == isc_rwlocktype_read) - result = isc_rwlock_tryupgrade(&rbtdb->tree_lock); - else - result = isc_rwlock_trylock(&rbtdb->tree_lock, - isc_rwlocktype_write); - RUNTIME_CHECK(result == ISC_R_SUCCESS || - result == ISC_R_LOCKBUSY); - - write_locked = ISC_TF(result == ISC_R_SUCCESS); - } else - write_locked = ISC_TRUE; - - if (write_locked && dns_rbtnode_refcurrent(node) == 0) { - /* - * We can now delete the node if the reference counter is - * zero. This should be typically the case, but a different - * thread may still gain a (new) reference just before the - * current thread locks the tree (e.g., in findnode()). - */ - - if (isc_log_wouldlog(dns_lctx, ISC_LOG_DEBUG(1))) { - char printname[DNS_NAME_FORMATSIZE]; - - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_CACHE, ISC_LOG_DEBUG(1), - "decrement_reference: " - "delete from rbt: %p %s", - node, - dns_rbt_formatnodename(node, printname, - sizeof(printname))); - } - - result = dns_rbt_deletenode(rbtdb->tree, node, ISC_FALSE); - if (result != ISC_R_SUCCESS) - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_CACHE, ISC_LOG_WARNING, - "decrement_reference: " - "dns_rbt_deletenode: %s", - isc_result_totext(result)); - } else if (dns_rbtnode_refcurrent(node) == 0) { - INSIST(!ISC_LINK_LINKED(node, deadlink)); - ISC_LIST_APPEND(rbtdb->deadnodes[bucket], node, deadlink); - } - - /* Restore the lock? */ - if (nlock == isc_rwlocktype_read) - NODE_WEAKDOWNGRADE(&nodelock->lock); - - /* - * Relock a read lock, or unlock the write lock if no lock was held. - */ - if (tlock == isc_rwlocktype_none) - if (write_locked) - RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); - - if (tlock == isc_rwlocktype_read) - if (write_locked) - isc_rwlock_downgrade(&rbtdb->tree_lock); - - return (ISC_TRUE); + isc_result_t result; + isc_boolean_t write_locked; + rbtdb_nodelock_t *nodelock; + unsigned int refs, nrefs; + int bucket = node->locknum; + + nodelock = &rbtdb->node_locks[bucket]; + + /* Handle easy and typical case first. */ + if (!node->dirty && (node->data != NULL || node->down != NULL)) { + dns_rbtnode_refdecrement(node, &nrefs); + INSIST((int)nrefs >= 0); + if (nrefs == 0) { + isc_refcount_decrement(&nodelock->references, &refs); + INSIST((int)refs >= 0); + } + return ((nrefs == 0) ? ISC_TRUE : ISC_FALSE); + } + + /* Upgrade the lock? */ + if (nlock == isc_rwlocktype_read) { + NODE_WEAKUNLOCK(&nodelock->lock, isc_rwlocktype_read); + NODE_WEAKLOCK(&nodelock->lock, isc_rwlocktype_write); + } + dns_rbtnode_refdecrement(node, &nrefs); + INSIST((int)nrefs >= 0); + if (nrefs > 0) { + /* Restore the lock? */ + if (nlock == isc_rwlocktype_read) + NODE_WEAKDOWNGRADE(&nodelock->lock); + return (ISC_FALSE); + } + + if (node->dirty && dns_rbtnode_refcurrent(node) == 0) { + if (IS_CACHE(rbtdb)) + clean_cache_node(rbtdb, node); + else { + if (least_serial == 0) { + /* + * Caller doesn't know the least serial. + * Get it. + */ + RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_read); + least_serial = rbtdb->least_serial; + RBTDB_UNLOCK(&rbtdb->lock, + isc_rwlocktype_read); + } + clean_zone_node(rbtdb, node, least_serial); + } + } + + isc_refcount_decrement(&nodelock->references, &refs); + INSIST((int)refs >= 0); + + /* + * XXXDCL should this only be done for cache zones? + */ + if (node->data != NULL || node->down != NULL) { + /* Restore the lock? */ + if (nlock == isc_rwlocktype_read) + NODE_WEAKDOWNGRADE(&nodelock->lock); + return (ISC_TRUE); + } + + /* + * Attempt to switch to a write lock on the tree. If this fails, + * we will add this node to a linked list of nodes in this locking + * bucket which we will free later. + */ + if (tlock != isc_rwlocktype_write) { + /* + * Locking hierarchy notwithstanding, we don't need to free + * the node lock before acquiring the tree write lock because + * we only do a trylock. + */ + if (tlock == isc_rwlocktype_read) + result = isc_rwlock_tryupgrade(&rbtdb->tree_lock); + else + result = isc_rwlock_trylock(&rbtdb->tree_lock, + isc_rwlocktype_write); + RUNTIME_CHECK(result == ISC_R_SUCCESS || + result == ISC_R_LOCKBUSY); + + write_locked = ISC_TF(result == ISC_R_SUCCESS); + } else + write_locked = ISC_TRUE; + + if (write_locked && dns_rbtnode_refcurrent(node) == 0) { + /* + * We can now delete the node if the reference counter is + * zero. This should be typically the case, but a different + * thread may still gain a (new) reference just before the + * current thread locks the tree (e.g., in findnode()). + */ + + if (isc_log_wouldlog(dns_lctx, ISC_LOG_DEBUG(1))) { + char printname[DNS_NAME_FORMATSIZE]; + + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE, ISC_LOG_DEBUG(1), + "decrement_reference: " + "delete from rbt: %p %s", + node, + dns_rbt_formatnodename(node, printname, + sizeof(printname))); + } + + result = dns_rbt_deletenode(rbtdb->tree, node, ISC_FALSE); + if (result != ISC_R_SUCCESS) + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE, ISC_LOG_WARNING, + "decrement_reference: " + "dns_rbt_deletenode: %s", + isc_result_totext(result)); + } else if (dns_rbtnode_refcurrent(node) == 0) { + INSIST(!ISC_LINK_LINKED(node, deadlink)); + ISC_LIST_APPEND(rbtdb->deadnodes[bucket], node, deadlink); + } + + /* Restore the lock? */ + if (nlock == isc_rwlocktype_read) + NODE_WEAKDOWNGRADE(&nodelock->lock); + + /* + * Relock a read lock, or unlock the write lock if no lock was held. + */ + if (tlock == isc_rwlocktype_none) + if (write_locked) + RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); + + if (tlock == isc_rwlocktype_read) + if (write_locked) + isc_rwlock_downgrade(&rbtdb->tree_lock); + + return (ISC_TRUE); } static inline void make_least_version(dns_rbtdb_t *rbtdb, rbtdb_version_t *version, - rbtdb_changedlist_t *cleanup_list) + rbtdb_changedlist_t *cleanup_list) { - /* - * Caller must be holding the database lock. - */ + /* + * Caller must be holding the database lock. + */ - rbtdb->least_serial = version->serial; - *cleanup_list = version->changed_list; - ISC_LIST_INIT(version->changed_list); + rbtdb->least_serial = version->serial; + *cleanup_list = version->changed_list; + ISC_LIST_INIT(version->changed_list); } static inline void cleanup_nondirty(rbtdb_version_t *version, rbtdb_changedlist_t *cleanup_list) { - rbtdb_changed_t *changed, *next_changed; - - /* - * If the changed record is dirty, then - * an update created multiple versions of - * a given rdataset. We keep this list - * until we're the least open version, at - * which point it's safe to get rid of any - * older versions. - * - * If the changed record isn't dirty, then - * we don't need it anymore since we're - * committing and not rolling back. - * - * The caller must be holding the database lock. - */ - for (changed = HEAD(version->changed_list); - changed != NULL; - changed = next_changed) { - next_changed = NEXT(changed, link); - if (!changed->dirty) { - UNLINK(version->changed_list, - changed, link); - APPEND(*cleanup_list, - changed, link); - } - } + rbtdb_changed_t *changed, *next_changed; + + /* + * If the changed record is dirty, then + * an update created multiple versions of + * a given rdataset. We keep this list + * until we're the least open version, at + * which point it's safe to get rid of any + * older versions. + * + * If the changed record isn't dirty, then + * we don't need it anymore since we're + * committing and not rolling back. + * + * The caller must be holding the database lock. + */ + for (changed = HEAD(version->changed_list); + changed != NULL; + changed = next_changed) { + next_changed = NEXT(changed, link); + if (!changed->dirty) { + UNLINK(version->changed_list, + changed, link); + APPEND(*cleanup_list, + changed, link); + } + } } static isc_boolean_t iszonesecure(dns_db_t *db, dns_dbnode_t *origin) { - dns_rdataset_t keyset; - dns_rdataset_t nsecset, signsecset; - isc_boolean_t haszonekey = ISC_FALSE; - isc_boolean_t hasnsec = ISC_FALSE; - isc_result_t result; - - dns_rdataset_init(&keyset); - result = dns_db_findrdataset(db, origin, NULL, dns_rdatatype_dnskey, 0, - 0, &keyset, NULL); - if (result == ISC_R_SUCCESS) { - dns_rdata_t keyrdata = DNS_RDATA_INIT; - result = dns_rdataset_first(&keyset); - while (result == ISC_R_SUCCESS) { - dns_rdataset_current(&keyset, &keyrdata); - if (dns_zonekey_iszonekey(&keyrdata)) { - haszonekey = ISC_TRUE; - break; - } - result = dns_rdataset_next(&keyset); - } - dns_rdataset_disassociate(&keyset); - } - if (!haszonekey) - return (ISC_FALSE); - - dns_rdataset_init(&nsecset); - dns_rdataset_init(&signsecset); - result = dns_db_findrdataset(db, origin, NULL, dns_rdatatype_nsec, 0, - 0, &nsecset, &signsecset); - if (result == ISC_R_SUCCESS) { - if (dns_rdataset_isassociated(&signsecset)) { - hasnsec = ISC_TRUE; - dns_rdataset_disassociate(&signsecset); - } - dns_rdataset_disassociate(&nsecset); - } - return (hasnsec); + dns_rdataset_t keyset; + dns_rdataset_t nsecset, signsecset; + isc_boolean_t haszonekey = ISC_FALSE; + isc_boolean_t hasnsec = ISC_FALSE; + isc_result_t result; + + dns_rdataset_init(&keyset); + result = dns_db_findrdataset(db, origin, NULL, dns_rdatatype_dnskey, 0, + 0, &keyset, NULL); + if (result == ISC_R_SUCCESS) { + dns_rdata_t keyrdata = DNS_RDATA_INIT; + result = dns_rdataset_first(&keyset); + while (result == ISC_R_SUCCESS) { + dns_rdataset_current(&keyset, &keyrdata); + if (dns_zonekey_iszonekey(&keyrdata)) { + haszonekey = ISC_TRUE; + break; + } + result = dns_rdataset_next(&keyset); + } + dns_rdataset_disassociate(&keyset); + } + if (!haszonekey) + return (ISC_FALSE); + + dns_rdataset_init(&nsecset); + dns_rdataset_init(&signsecset); + result = dns_db_findrdataset(db, origin, NULL, dns_rdatatype_nsec, 0, + 0, &nsecset, &signsecset); + if (result == ISC_R_SUCCESS) { + if (dns_rdataset_isassociated(&signsecset)) { + hasnsec = ISC_TRUE; + dns_rdataset_disassociate(&signsecset); + } + dns_rdataset_disassociate(&nsecset); + } + return (hasnsec); } static void closeversion(dns_db_t *db, dns_dbversion_t **versionp, isc_boolean_t commit) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - rbtdb_version_t *version, *cleanup_version, *least_greater; - isc_boolean_t rollback = ISC_FALSE; - rbtdb_changedlist_t cleanup_list; - rbtdb_changed_t *changed, *next_changed; - rbtdb_serial_t serial, least_serial; - dns_rbtnode_t *rbtnode; - unsigned int refs; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + rbtdb_version_t *version, *cleanup_version, *least_greater; + isc_boolean_t rollback = ISC_FALSE; + rbtdb_changedlist_t cleanup_list; + rbtdb_changed_t *changed, *next_changed; + rbtdb_serial_t serial, least_serial; + dns_rbtnode_t *rbtnode; + unsigned int refs; isc_boolean_t writer; - REQUIRE(VALID_RBTDB(rbtdb)); - version = (rbtdb_version_t *)*versionp; - - cleanup_version = NULL; - ISC_LIST_INIT(cleanup_list); - - isc_refcount_decrement(&version->references, &refs); - if (refs > 0) { /* typical and easy case first */ - if (commit) { - RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_read); - INSIST(!version->writer); - RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_read); - } - goto end; - } - - RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); - serial = version->serial; - writer = version->writer; - if (version->writer) { - if (commit) { - unsigned cur_ref; - rbtdb_version_t *cur_version; - - INSIST(version->commit_ok); - INSIST(version == rbtdb->future_version); - /* - * The current version is going to be replaced. - * Release the (likely last) reference to it from the - * DB itself and unlink it from the open list. - */ - cur_version = rbtdb->current_version; - isc_refcount_decrement(&cur_version->references, - &cur_ref); - if (cur_ref == 0) { - if (cur_version->serial == rbtdb->least_serial) - INSIST(EMPTY(cur_version->changed_list)); - UNLINK(rbtdb->open_versions, - cur_version, link); - } - if (EMPTY(rbtdb->open_versions)) { - /* - * We're going to become the least open - * version. - */ - make_least_version(rbtdb, version, - &cleanup_list); - } else { - /* - * Some other open version is the - * least version. We can't cleanup - * records that were changed in this - * version because the older versions - * may still be in use by an open - * version. - * - * We can, however, discard the - * changed records for things that - * we've added that didn't exist in - * prior versions. - */ - cleanup_nondirty(version, &cleanup_list); - } - /* - * If the (soon to be former) current version - * isn't being used by anyone, we can clean - * it up. - */ - if (cur_ref == 0) { - cleanup_version = cur_version; - APPENDLIST(version->changed_list, - cleanup_version->changed_list, - link); - } - /* - * Become the current version. - */ - version->writer = ISC_FALSE; - rbtdb->current_version = version; - rbtdb->current_serial = version->serial; - rbtdb->future_version = NULL; - - /* - * Keep the current version in the open list, and - * gain a reference for the DB itself (see the DB - * creation function below). This must be the only - * case where we need to increment the counter from - * zero and need to use isc_refcount_increment0(). - */ - isc_refcount_increment0(&version->references, - &cur_ref); - INSIST(cur_ref == 1); - PREPEND(rbtdb->open_versions, - rbtdb->current_version, link); - } else { - /* - * We're rolling back this transaction. - */ - cleanup_list = version->changed_list; - ISC_LIST_INIT(version->changed_list); - rollback = ISC_TRUE; - cleanup_version = version; - rbtdb->future_version = NULL; - } - } else { - if (version != rbtdb->current_version) { - /* - * There are no external or internal references - * to this version and it can be cleaned up. - */ - cleanup_version = version; - - /* - * Find the version with the least serial - * number greater than ours. - */ - least_greater = PREV(version, link); - if (least_greater == NULL) - least_greater = rbtdb->current_version; - - INSIST(version->serial < least_greater->serial); - /* - * Is this the least open version? - */ - if (version->serial == rbtdb->least_serial) { - /* - * Yes. Install the new least open - * version. - */ - make_least_version(rbtdb, - least_greater, - &cleanup_list); - } else { - /* - * Add any unexecuted cleanups to - * those of the least greater version. - */ - APPENDLIST(least_greater->changed_list, - version->changed_list, - link); - } - } else if (version->serial == rbtdb->least_serial) - INSIST(EMPTY(version->changed_list)); - UNLINK(rbtdb->open_versions, version, link); - } - least_serial = rbtdb->least_serial; - RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); - - /* - * Update the zone's secure status. - */ - if (writer && commit && !IS_CACHE(rbtdb)) - rbtdb->secure = iszonesecure(db, rbtdb->origin_node); - - if (cleanup_version != NULL) { - INSIST(EMPTY(cleanup_version->changed_list)); - isc_mem_put(rbtdb->common.mctx, cleanup_version, - sizeof(*cleanup_version)); - } - - if (!EMPTY(cleanup_list)) { - for (changed = HEAD(cleanup_list); - changed != NULL; - changed = next_changed) { - nodelock_t *lock; - - next_changed = NEXT(changed, link); - rbtnode = changed->node; - lock = &rbtdb->node_locks[rbtnode->locknum].lock; - - NODE_LOCK(lock, isc_rwlocktype_write); - if (rollback) - rollback_node(rbtnode, serial); - decrement_reference(rbtdb, rbtnode, least_serial, - isc_rwlocktype_write, - isc_rwlocktype_none); - NODE_UNLOCK(lock, isc_rwlocktype_write); - - isc_mem_put(rbtdb->common.mctx, changed, - sizeof(*changed)); - } - } + REQUIRE(VALID_RBTDB(rbtdb)); + version = (rbtdb_version_t *)*versionp; + + cleanup_version = NULL; + ISC_LIST_INIT(cleanup_list); + + isc_refcount_decrement(&version->references, &refs); + if (refs > 0) { /* typical and easy case first */ + if (commit) { + RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_read); + INSIST(!version->writer); + RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_read); + } + goto end; + } + + RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); + serial = version->serial; + writer = version->writer; + if (version->writer) { + if (commit) { + unsigned cur_ref; + rbtdb_version_t *cur_version; + + INSIST(version->commit_ok); + INSIST(version == rbtdb->future_version); + /* + * The current version is going to be replaced. + * Release the (likely last) reference to it from the + * DB itself and unlink it from the open list. + */ + cur_version = rbtdb->current_version; + isc_refcount_decrement(&cur_version->references, + &cur_ref); + if (cur_ref == 0) { + if (cur_version->serial == rbtdb->least_serial) + INSIST(EMPTY(cur_version->changed_list)); + UNLINK(rbtdb->open_versions, + cur_version, link); + } + if (EMPTY(rbtdb->open_versions)) { + /* + * We're going to become the least open + * version. + */ + make_least_version(rbtdb, version, + &cleanup_list); + } else { + /* + * Some other open version is the + * least version. We can't cleanup + * records that were changed in this + * version because the older versions + * may still be in use by an open + * version. + * + * We can, however, discard the + * changed records for things that + * we've added that didn't exist in + * prior versions. + */ + cleanup_nondirty(version, &cleanup_list); + } + /* + * If the (soon to be former) current version + * isn't being used by anyone, we can clean + * it up. + */ + if (cur_ref == 0) { + cleanup_version = cur_version; + APPENDLIST(version->changed_list, + cleanup_version->changed_list, + link); + } + /* + * Become the current version. + */ + version->writer = ISC_FALSE; + rbtdb->current_version = version; + rbtdb->current_serial = version->serial; + rbtdb->future_version = NULL; + + /* + * Keep the current version in the open list, and + * gain a reference for the DB itself (see the DB + * creation function below). This must be the only + * case where we need to increment the counter from + * zero and need to use isc_refcount_increment0(). + */ + isc_refcount_increment0(&version->references, + &cur_ref); + INSIST(cur_ref == 1); + PREPEND(rbtdb->open_versions, + rbtdb->current_version, link); + } else { + /* + * We're rolling back this transaction. + */ + cleanup_list = version->changed_list; + ISC_LIST_INIT(version->changed_list); + rollback = ISC_TRUE; + cleanup_version = version; + rbtdb->future_version = NULL; + } + } else { + if (version != rbtdb->current_version) { + /* + * There are no external or internal references + * to this version and it can be cleaned up. + */ + cleanup_version = version; + + /* + * Find the version with the least serial + * number greater than ours. + */ + least_greater = PREV(version, link); + if (least_greater == NULL) + least_greater = rbtdb->current_version; + + INSIST(version->serial < least_greater->serial); + /* + * Is this the least open version? + */ + if (version->serial == rbtdb->least_serial) { + /* + * Yes. Install the new least open + * version. + */ + make_least_version(rbtdb, + least_greater, + &cleanup_list); + } else { + /* + * Add any unexecuted cleanups to + * those of the least greater version. + */ + APPENDLIST(least_greater->changed_list, + version->changed_list, + link); + } + } else if (version->serial == rbtdb->least_serial) + INSIST(EMPTY(version->changed_list)); + UNLINK(rbtdb->open_versions, version, link); + } + least_serial = rbtdb->least_serial; + RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); + + /* + * Update the zone's secure status. + */ + if (writer && commit && !IS_CACHE(rbtdb)) + rbtdb->secure = iszonesecure(db, rbtdb->origin_node); + + if (cleanup_version != NULL) { + INSIST(EMPTY(cleanup_version->changed_list)); + isc_mem_put(rbtdb->common.mctx, cleanup_version, + sizeof(*cleanup_version)); + } + + if (!EMPTY(cleanup_list)) { + /* + * We acquire a tree write lock here in order to make sure + * that stale nodes will be removed in decrement_reference(). + * If we didn't have the lock, those nodes could miss the + * chance to be removed until the server stops. The write lock + * is expensive, but this event should be rare enough to justify + * the cost. + */ + RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); + for (changed = HEAD(cleanup_list); + changed != NULL; + changed = next_changed) { + nodelock_t *lock; + + next_changed = NEXT(changed, link); + rbtnode = changed->node; + lock = &rbtdb->node_locks[rbtnode->locknum].lock; + + NODE_LOCK(lock, isc_rwlocktype_write); + /* + * This is a good opportunity to purge any dead nodes, + * so use it. + */ + cleanup_dead_nodes(rbtdb, rbtnode->locknum); + + if (rollback) + rollback_node(rbtnode, serial); + decrement_reference(rbtdb, rbtnode, least_serial, + isc_rwlocktype_write, + isc_rwlocktype_write); + + NODE_UNLOCK(lock, isc_rwlocktype_write); + + isc_mem_put(rbtdb->common.mctx, changed, + sizeof(*changed)); + } + RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); + } end: - *versionp = NULL; + *versionp = NULL; } /* @@ -1955,4130 +1879,4032 @@ closeversion(dns_db_t *db, dns_dbversion_t **versionp, isc_boolean_t commit) { */ static isc_result_t add_wildcard_magic(dns_rbtdb_t *rbtdb, dns_name_t *name) { - isc_result_t result; - dns_name_t foundname; - dns_offsets_t offsets; - unsigned int n; - dns_rbtnode_t *node = NULL; - - dns_name_init(&foundname, offsets); - n = dns_name_countlabels(name); - INSIST(n >= 2); - n--; - dns_name_getlabelsequence(name, 1, n, &foundname); - result = dns_rbt_addnode(rbtdb->tree, &foundname, &node); - if (result != ISC_R_SUCCESS && result != ISC_R_EXISTS) - return (result); - node->find_callback = 1; - node->wild = 1; - return (ISC_R_SUCCESS); + isc_result_t result; + dns_name_t foundname; + dns_offsets_t offsets; + unsigned int n; + dns_rbtnode_t *node = NULL; + + dns_name_init(&foundname, offsets); + n = dns_name_countlabels(name); + INSIST(n >= 2); + n--; + dns_name_getlabelsequence(name, 1, n, &foundname); + result = dns_rbt_addnode(rbtdb->tree, &foundname, &node); + if (result != ISC_R_SUCCESS && result != ISC_R_EXISTS) + return (result); + node->find_callback = 1; + node->wild = 1; + return (ISC_R_SUCCESS); } static isc_result_t add_empty_wildcards(dns_rbtdb_t *rbtdb, dns_name_t *name) { - isc_result_t result; - dns_name_t foundname; - dns_offsets_t offsets; - unsigned int n, l, i; - - dns_name_init(&foundname, offsets); - n = dns_name_countlabels(name); - l = dns_name_countlabels(&rbtdb->common.origin); - i = l + 1; - while (i < n) { - dns_rbtnode_t *node = NULL; /* dummy */ - dns_name_getlabelsequence(name, n - i, i, &foundname); - if (dns_name_iswildcard(&foundname)) { - result = add_wildcard_magic(rbtdb, &foundname); - if (result != ISC_R_SUCCESS) - return (result); - result = dns_rbt_addnode(rbtdb->tree, &foundname, - &node); - if (result != ISC_R_SUCCESS && result != ISC_R_EXISTS) - return (result); - } - i++; - } - return (ISC_R_SUCCESS); + isc_result_t result; + dns_name_t foundname; + dns_offsets_t offsets; + unsigned int n, l, i; + + dns_name_init(&foundname, offsets); + n = dns_name_countlabels(name); + l = dns_name_countlabels(&rbtdb->common.origin); + i = l + 1; + while (i < n) { + dns_rbtnode_t *node = NULL; /* dummy */ + dns_name_getlabelsequence(name, n - i, i, &foundname); + if (dns_name_iswildcard(&foundname)) { + result = add_wildcard_magic(rbtdb, &foundname); + if (result != ISC_R_SUCCESS) + return (result); + result = dns_rbt_addnode(rbtdb->tree, &foundname, + &node); + if (result != ISC_R_SUCCESS && result != ISC_R_EXISTS) + return (result); + } + i++; + } + return (ISC_R_SUCCESS); } static isc_result_t findnode(dns_db_t *db, dns_name_t *name, isc_boolean_t create, - dns_dbnode_t **nodep) + dns_dbnode_t **nodep) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - dns_rbtnode_t *node = NULL; - dns_name_t nodename; - isc_result_t result; - isc_rwlocktype_t locktype = isc_rwlocktype_read; - - REQUIRE(VALID_RBTDB(rbtdb)); - - dns_name_init(&nodename, NULL); - RWLOCK(&rbtdb->tree_lock, locktype); - result = dns_rbt_findnode(rbtdb->tree, name, NULL, &node, NULL, - DNS_RBTFIND_EMPTYDATA, NULL, NULL); - if (result != ISC_R_SUCCESS) { - RWUNLOCK(&rbtdb->tree_lock, locktype); - if (!create) { - if (result == DNS_R_PARTIALMATCH) - result = ISC_R_NOTFOUND; - return (result); - } - /* - * It would be nice to try to upgrade the lock instead of - * unlocking then relocking. - */ - locktype = isc_rwlocktype_write; - RWLOCK(&rbtdb->tree_lock, locktype); - node = NULL; - result = dns_rbt_addnode(rbtdb->tree, name, &node); - if (result == ISC_R_SUCCESS) { - dns_rbt_namefromnode(node, &nodename); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + dns_rbtnode_t *node = NULL; + dns_name_t nodename; + isc_result_t result; + isc_rwlocktype_t locktype = isc_rwlocktype_read; + isc_boolean_t need_relock; + + REQUIRE(VALID_RBTDB(rbtdb)); + + dns_name_init(&nodename, NULL); + RWLOCK(&rbtdb->tree_lock, locktype); + result = dns_rbt_findnode(rbtdb->tree, name, NULL, &node, NULL, + DNS_RBTFIND_EMPTYDATA, NULL, NULL); + if (result != ISC_R_SUCCESS) { + RWUNLOCK(&rbtdb->tree_lock, locktype); + if (!create) { + if (result == DNS_R_PARTIALMATCH) + result = ISC_R_NOTFOUND; + return (result); + } + /* + * It would be nice to try to upgrade the lock instead of + * unlocking then relocking. + */ + locktype = isc_rwlocktype_write; + RWLOCK(&rbtdb->tree_lock, locktype); + node = NULL; + result = dns_rbt_addnode(rbtdb->tree, name, &node); + if (result == ISC_R_SUCCESS) { + dns_rbt_namefromnode(node, &nodename); #ifdef DNS_RBT_USEHASH - node->locknum = node->hashval % rbtdb->node_lock_count; + node->locknum = node->hashval % rbtdb->node_lock_count; #else - node->locknum = dns_name_hash(&nodename, ISC_TRUE) % - rbtdb->node_lock_count; + node->locknum = dns_name_hash(&nodename, ISC_TRUE) % + rbtdb->node_lock_count; #endif - add_empty_wildcards(rbtdb, name); - - if (dns_name_iswildcard(name)) { - result = add_wildcard_magic(rbtdb, name); - if (result != ISC_R_SUCCESS) { - RWUNLOCK(&rbtdb->tree_lock, locktype); - return (result); - } - } - } else if (result != ISC_R_EXISTS) { - RWUNLOCK(&rbtdb->tree_lock, locktype); - return (result); - } - } - NODE_STRONGLOCK(&rbtdb->node_locks[node->locknum].lock); - new_reference(rbtdb, node); - - /* - * If the node just found is in the deadnode list, we need to retrieve - * it from the list because we are going to use the node. There are - * other cases where a node is newly referenced, but this should be - * the only case where it can be in the deadnode list. Also, if we - * happen to hold a write lock on the tree, it's a good chance to purge - * dead nodes. - */ - if (IS_CACHE(rbtdb)) { - isc_boolean_t need_relock = ISC_FALSE; - - NODE_WEAKLOCK(&rbtdb->node_locks[node->locknum].lock, - isc_rwlocktype_read); - if (ISC_LINK_LINKED(node, deadlink) && isc_rwlocktype_write) - need_relock = ISC_TRUE; - else if (!ISC_LIST_EMPTY(rbtdb->deadnodes[node->locknum]) && - locktype == isc_rwlocktype_write) - need_relock = ISC_TRUE; - NODE_WEAKUNLOCK(&rbtdb->node_locks[node->locknum].lock, - isc_rwlocktype_read); - if (need_relock) { - NODE_WEAKLOCK(&rbtdb->node_locks[node->locknum].lock, - isc_rwlocktype_write); - if (ISC_LINK_LINKED(node, deadlink)) - ISC_LIST_UNLINK(rbtdb->deadnodes[node->locknum], - node, deadlink); - if (locktype == isc_rwlocktype_write) - cleanup_dead_nodes(rbtdb, node->locknum); - NODE_WEAKUNLOCK(&rbtdb->node_locks[node->locknum].lock, - isc_rwlocktype_write); - } - } - - NODE_STRONGUNLOCK(&rbtdb->node_locks[node->locknum].lock); - RWUNLOCK(&rbtdb->tree_lock, locktype); - - *nodep = (dns_dbnode_t *)node; - - return (ISC_R_SUCCESS); + add_empty_wildcards(rbtdb, name); + + if (dns_name_iswildcard(name)) { + result = add_wildcard_magic(rbtdb, name); + if (result != ISC_R_SUCCESS) { + RWUNLOCK(&rbtdb->tree_lock, locktype); + return (result); + } + } + } else if (result != ISC_R_EXISTS) { + RWUNLOCK(&rbtdb->tree_lock, locktype); + return (result); + } + } + NODE_STRONGLOCK(&rbtdb->node_locks[node->locknum].lock); + new_reference(rbtdb, node); + + /* + * If the node just found is in the deadnode list, we need to retrieve + * it from the list because we are going to use the node. There are + * other cases where a node is newly referenced, but this should be + * the only case where it can be in the deadnode list. Also, if we + * happen to hold a write lock on the tree, it's a good chance to purge + * dead nodes. + */ + need_relock = ISC_FALSE; + NODE_WEAKLOCK(&rbtdb->node_locks[node->locknum].lock, + isc_rwlocktype_read); + if (ISC_LINK_LINKED(node, deadlink) && isc_rwlocktype_write) + need_relock = ISC_TRUE; + else if (!ISC_LIST_EMPTY(rbtdb->deadnodes[node->locknum]) && + locktype == isc_rwlocktype_write) + need_relock = ISC_TRUE; + NODE_WEAKUNLOCK(&rbtdb->node_locks[node->locknum].lock, + isc_rwlocktype_read); + if (need_relock) { + NODE_WEAKLOCK(&rbtdb->node_locks[node->locknum].lock, + isc_rwlocktype_write); + if (ISC_LINK_LINKED(node, deadlink)) + ISC_LIST_UNLINK(rbtdb->deadnodes[node->locknum], + node, deadlink); + if (locktype == isc_rwlocktype_write) + cleanup_dead_nodes(rbtdb, node->locknum); + NODE_WEAKUNLOCK(&rbtdb->node_locks[node->locknum].lock, + isc_rwlocktype_write); + } + + NODE_STRONGUNLOCK(&rbtdb->node_locks[node->locknum].lock); + RWUNLOCK(&rbtdb->tree_lock, locktype); + + *nodep = (dns_dbnode_t *)node; + + return (ISC_R_SUCCESS); } static isc_result_t zone_zonecut_callback(dns_rbtnode_t *node, dns_name_t *name, void *arg) { - rbtdb_search_t *search = arg; - rdatasetheader_t *header, *header_next; - rdatasetheader_t *dname_header, *sigdname_header, *ns_header; - rdatasetheader_t *found; - isc_result_t result; - dns_rbtnode_t *onode; - - /* - * We only want to remember the topmost zone cut, since it's the one - * that counts, so we'll just continue if we've already found a - * zonecut. - */ - if (search->zonecut != NULL) - return (DNS_R_CONTINUE); - - found = NULL; - result = DNS_R_CONTINUE; - onode = search->rbtdb->origin_node; - - NODE_LOCK(&(search->rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - - /* - * Look for an NS or DNAME rdataset active in our version. - */ - ns_header = NULL; - dname_header = NULL; - sigdname_header = NULL; - for (header = node->data; header != NULL; header = header_next) { - header_next = header->next; - if (header->type == dns_rdatatype_ns || - header->type == dns_rdatatype_dname || - header->type == RBTDB_RDATATYPE_SIGDNAME) { - do { - if (header->serial <= search->serial && - !IGNORE(header)) { - /* - * Is this a "this rdataset doesn't - * exist" record? - */ - if (NONEXISTENT(header)) - header = NULL; - break; - } else - header = header->down; - } while (header != NULL); - if (header != NULL) { - if (header->type == dns_rdatatype_dname) - dname_header = header; - else if (header->type == - RBTDB_RDATATYPE_SIGDNAME) - sigdname_header = header; - else if (node != onode || - IS_STUB(search->rbtdb)) { - /* - * We've found an NS rdataset that - * isn't at the origin node. We check - * that they're not at the origin node, - * because otherwise we'd erroneously - * treat the zone top as if it were - * a delegation. - */ - ns_header = header; - } - } - } - } - - /* - * Did we find anything? - */ - if (dname_header != NULL) { - /* - * Note that DNAME has precedence over NS if both exist. - */ - found = dname_header; - search->zonecut_sigrdataset = sigdname_header; - } else if (ns_header != NULL) { - found = ns_header; - search->zonecut_sigrdataset = NULL; - } - - if (found != NULL) { - /* - * We increment the reference count on node to ensure that - * search->zonecut_rdataset will still be valid later. - */ - new_reference(search->rbtdb, node); - search->zonecut = node; - search->zonecut_rdataset = found; - search->need_cleanup = ISC_TRUE; - /* - * Since we've found a zonecut, anything beneath it is - * glue and is not subject to wildcard matching, so we - * may clear search->wild. - */ - search->wild = ISC_FALSE; - if ((search->options & DNS_DBFIND_GLUEOK) == 0) { - /* - * If the caller does not want to find glue, then - * this is the best answer and the search should - * stop now. - */ - result = DNS_R_PARTIALMATCH; - } else { - dns_name_t *zcname; - - /* - * The search will continue beneath the zone cut. - * This may or may not be the best match. In case it - * is, we need to remember the node name. - */ - zcname = dns_fixedname_name(&search->zonecut_name); - RUNTIME_CHECK(dns_name_copy(name, zcname, NULL) == - ISC_R_SUCCESS); - search->copy_name = ISC_TRUE; - } - } else { - /* - * There is no zonecut at this node which is active in this - * version. - * - * If this is a "wild" node and the caller hasn't disabled - * wildcard matching, remember that we've seen a wild node - * in case we need to go searching for wildcard matches - * later on. - */ - if (node->wild && (search->options & DNS_DBFIND_NOWILD) == 0) - search->wild = ISC_TRUE; - } - - NODE_UNLOCK(&(search->rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - - return (result); + rbtdb_search_t *search = arg; + rdatasetheader_t *header, *header_next; + rdatasetheader_t *dname_header, *sigdname_header, *ns_header; + rdatasetheader_t *found; + isc_result_t result; + dns_rbtnode_t *onode; + + /* + * We only want to remember the topmost zone cut, since it's the one + * that counts, so we'll just continue if we've already found a + * zonecut. + */ + if (search->zonecut != NULL) + return (DNS_R_CONTINUE); + + found = NULL; + result = DNS_R_CONTINUE; + onode = search->rbtdb->origin_node; + + NODE_LOCK(&(search->rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + + /* + * Look for an NS or DNAME rdataset active in our version. + */ + ns_header = NULL; + dname_header = NULL; + sigdname_header = NULL; + for (header = node->data; header != NULL; header = header_next) { + header_next = header->next; + if (header->type == dns_rdatatype_ns || + header->type == dns_rdatatype_dname || + header->type == RBTDB_RDATATYPE_SIGDNAME) { + do { + if (header->serial <= search->serial && + !IGNORE(header)) { + /* + * Is this a "this rdataset doesn't + * exist" record? + */ + if (NONEXISTENT(header)) + header = NULL; + break; + } else + header = header->down; + } while (header != NULL); + if (header != NULL) { + if (header->type == dns_rdatatype_dname) + dname_header = header; + else if (header->type == + RBTDB_RDATATYPE_SIGDNAME) + sigdname_header = header; + else if (node != onode || + IS_STUB(search->rbtdb)) { + /* + * We've found an NS rdataset that + * isn't at the origin node. We check + * that they're not at the origin node, + * because otherwise we'd erroneously + * treat the zone top as if it were + * a delegation. + */ + ns_header = header; + } + } + } + } + + /* + * Did we find anything? + */ + if (dname_header != NULL) { + /* + * Note that DNAME has precedence over NS if both exist. + */ + found = dname_header; + search->zonecut_sigrdataset = sigdname_header; + } else if (ns_header != NULL) { + found = ns_header; + search->zonecut_sigrdataset = NULL; + } + + if (found != NULL) { + /* + * We increment the reference count on node to ensure that + * search->zonecut_rdataset will still be valid later. + */ + new_reference(search->rbtdb, node); + search->zonecut = node; + search->zonecut_rdataset = found; + search->need_cleanup = ISC_TRUE; + /* + * Since we've found a zonecut, anything beneath it is + * glue and is not subject to wildcard matching, so we + * may clear search->wild. + */ + search->wild = ISC_FALSE; + if ((search->options & DNS_DBFIND_GLUEOK) == 0) { + /* + * If the caller does not want to find glue, then + * this is the best answer and the search should + * stop now. + */ + result = DNS_R_PARTIALMATCH; + } else { + dns_name_t *zcname; + + /* + * The search will continue beneath the zone cut. + * This may or may not be the best match. In case it + * is, we need to remember the node name. + */ + zcname = dns_fixedname_name(&search->zonecut_name); + RUNTIME_CHECK(dns_name_copy(name, zcname, NULL) == + ISC_R_SUCCESS); + search->copy_name = ISC_TRUE; + } + } else { + /* + * There is no zonecut at this node which is active in this + * version. + * + * If this is a "wild" node and the caller hasn't disabled + * wildcard matching, remember that we've seen a wild node + * in case we need to go searching for wildcard matches + * later on. + */ + if (node->wild && (search->options & DNS_DBFIND_NOWILD) == 0) + search->wild = ISC_TRUE; + } + + NODE_UNLOCK(&(search->rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + + return (result); } static inline void bind_rdataset(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node, - rdatasetheader_t *header, isc_stdtime_t now, - dns_rdataset_t *rdataset) + rdatasetheader_t *header, isc_stdtime_t now, + dns_rdataset_t *rdataset) { - unsigned char *raw; /* RDATASLAB */ - - /* - * Caller must be holding the node reader lock. - * XXXJT: technically, we need a writer lock, since we'll increment - * the header count below. However, since the actual counter value - * doesn't matter, we prioritize performance here. (We may want to - * use atomic increment when available). - */ - - if (rdataset == NULL) - return; - - new_reference(rbtdb, node); - - INSIST(rdataset->methods == NULL); /* We must be disassociated. */ - - rdataset->methods = &rdataset_methods; - rdataset->rdclass = rbtdb->common.rdclass; - rdataset->type = RBTDB_RDATATYPE_BASE(header->type); - rdataset->covers = RBTDB_RDATATYPE_EXT(header->type); - rdataset->ttl = header->rdh_ttl - now; - rdataset->trust = header->trust; - if (NXDOMAIN(header)) - rdataset->attributes |= DNS_RDATASETATTR_NXDOMAIN; - rdataset->private1 = rbtdb; - rdataset->private2 = node; - raw = (unsigned char *)header + sizeof(*header); - rdataset->private3 = raw; - rdataset->count = header->count++; - if (rdataset->count == ISC_UINT32_MAX) - rdataset->count = 0; - - /* - * Reset iterator state. - */ - rdataset->privateuint4 = 0; - rdataset->private5 = NULL; - - /* - * Add noqname proof. - */ - rdataset->private6 = header->noqname; - if (rdataset->private6 != NULL) - rdataset->attributes |= DNS_RDATASETATTR_NOQNAME; + unsigned char *raw; /* RDATASLAB */ + + /* + * Caller must be holding the node reader lock. + * XXXJT: technically, we need a writer lock, since we'll increment + * the header count below. However, since the actual counter value + * doesn't matter, we prioritize performance here. (We may want to + * use atomic increment when available). + */ + + if (rdataset == NULL) + return; + + new_reference(rbtdb, node); + + INSIST(rdataset->methods == NULL); /* We must be disassociated. */ + + rdataset->methods = &rdataset_methods; + rdataset->rdclass = rbtdb->common.rdclass; + rdataset->type = RBTDB_RDATATYPE_BASE(header->type); + rdataset->covers = RBTDB_RDATATYPE_EXT(header->type); + rdataset->ttl = header->rdh_ttl - now; + rdataset->trust = header->trust; + if (NXDOMAIN(header)) + rdataset->attributes |= DNS_RDATASETATTR_NXDOMAIN; + rdataset->private1 = rbtdb; + rdataset->private2 = node; + raw = (unsigned char *)header + sizeof(*header); + rdataset->private3 = raw; + rdataset->count = header->count++; + if (rdataset->count == ISC_UINT32_MAX) + rdataset->count = 0; + + /* + * Reset iterator state. + */ + rdataset->privateuint4 = 0; + rdataset->private5 = NULL; + + /* + * Add noqname proof. + */ + rdataset->private6 = header->noqname; + if (rdataset->private6 != NULL) + rdataset->attributes |= DNS_RDATASETATTR_NOQNAME; } static inline isc_result_t setup_delegation(rbtdb_search_t *search, dns_dbnode_t **nodep, - dns_name_t *foundname, dns_rdataset_t *rdataset, - dns_rdataset_t *sigrdataset) + dns_name_t *foundname, dns_rdataset_t *rdataset, + dns_rdataset_t *sigrdataset) { - isc_result_t result; - dns_name_t *zcname; - rbtdb_rdatatype_t type; - dns_rbtnode_t *node; - - /* - * The caller MUST NOT be holding any node locks. - */ - - node = search->zonecut; - type = search->zonecut_rdataset->type; - - /* - * If we have to set foundname, we do it before anything else. - * If we were to set foundname after we had set nodep or bound the - * rdataset, then we'd have to undo that work if dns_name_copy() - * failed. By setting foundname first, there's nothing to undo if - * we have trouble. - */ - if (foundname != NULL && search->copy_name) { - zcname = dns_fixedname_name(&search->zonecut_name); - result = dns_name_copy(zcname, foundname, NULL); - if (result != ISC_R_SUCCESS) - return (result); - } - if (nodep != NULL) { - /* - * Note that we don't have to increment the node's reference - * count here because we're going to use the reference we - * already have in the search block. - */ - *nodep = node; - search->need_cleanup = ISC_FALSE; - } - if (rdataset != NULL) { - NODE_LOCK(&(search->rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - bind_rdataset(search->rbtdb, node, search->zonecut_rdataset, - search->now, rdataset); - if (sigrdataset != NULL && search->zonecut_sigrdataset != NULL) - bind_rdataset(search->rbtdb, node, - search->zonecut_sigrdataset, - search->now, sigrdataset); - NODE_UNLOCK(&(search->rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - } - - if (type == dns_rdatatype_dname) - return (DNS_R_DNAME); - return (DNS_R_DELEGATION); + isc_result_t result; + dns_name_t *zcname; + rbtdb_rdatatype_t type; + dns_rbtnode_t *node; + + /* + * The caller MUST NOT be holding any node locks. + */ + + node = search->zonecut; + type = search->zonecut_rdataset->type; + + /* + * If we have to set foundname, we do it before anything else. + * If we were to set foundname after we had set nodep or bound the + * rdataset, then we'd have to undo that work if dns_name_copy() + * failed. By setting foundname first, there's nothing to undo if + * we have trouble. + */ + if (foundname != NULL && search->copy_name) { + zcname = dns_fixedname_name(&search->zonecut_name); + result = dns_name_copy(zcname, foundname, NULL); + if (result != ISC_R_SUCCESS) + return (result); + } + if (nodep != NULL) { + /* + * Note that we don't have to increment the node's reference + * count here because we're going to use the reference we + * already have in the search block. + */ + *nodep = node; + search->need_cleanup = ISC_FALSE; + } + if (rdataset != NULL) { + NODE_LOCK(&(search->rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + bind_rdataset(search->rbtdb, node, search->zonecut_rdataset, + search->now, rdataset); + if (sigrdataset != NULL && search->zonecut_sigrdataset != NULL) + bind_rdataset(search->rbtdb, node, + search->zonecut_sigrdataset, + search->now, sigrdataset); + NODE_UNLOCK(&(search->rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + } + + if (type == dns_rdatatype_dname) + return (DNS_R_DNAME); + return (DNS_R_DELEGATION); } static inline isc_boolean_t valid_glue(rbtdb_search_t *search, dns_name_t *name, rbtdb_rdatatype_t type, - dns_rbtnode_t *node) + dns_rbtnode_t *node) { - unsigned char *raw; /* RDATASLAB */ - unsigned int count, size; - dns_name_t ns_name; - isc_boolean_t valid = ISC_FALSE; - dns_offsets_t offsets; - isc_region_t region; - rdatasetheader_t *header; - - /* - * No additional locking is required. - */ - - /* - * Valid glue types are A, AAAA, A6. NS is also a valid glue type - * if it occurs at a zone cut, but is not valid below it. - */ - if (type == dns_rdatatype_ns) { - if (node != search->zonecut) { - return (ISC_FALSE); - } - } else if (type != dns_rdatatype_a && - type != dns_rdatatype_aaaa && - type != dns_rdatatype_a6) { - return (ISC_FALSE); - } - - header = search->zonecut_rdataset; - raw = (unsigned char *)header + sizeof(*header); - count = raw[0] * 256 + raw[1]; + unsigned char *raw; /* RDATASLAB */ + unsigned int count, size; + dns_name_t ns_name; + isc_boolean_t valid = ISC_FALSE; + dns_offsets_t offsets; + isc_region_t region; + rdatasetheader_t *header; + + /* + * No additional locking is required. + */ + + /* + * Valid glue types are A, AAAA, A6. NS is also a valid glue type + * if it occurs at a zone cut, but is not valid below it. + */ + if (type == dns_rdatatype_ns) { + if (node != search->zonecut) { + return (ISC_FALSE); + } + } else if (type != dns_rdatatype_a && + type != dns_rdatatype_aaaa && + type != dns_rdatatype_a6) { + return (ISC_FALSE); + } + + header = search->zonecut_rdataset; + raw = (unsigned char *)header + sizeof(*header); + count = raw[0] * 256 + raw[1]; #if DNS_RDATASET_FIXED - raw += 2 + (4 * count); + raw += 2 + (4 * count); #else - raw += 2; + raw += 2; #endif - while (count > 0) { - count--; - size = raw[0] * 256 + raw[1]; + while (count > 0) { + count--; + size = raw[0] * 256 + raw[1]; #if DNS_RDATASET_FIXED - raw += 4; + raw += 4; #else - raw += 2; + raw += 2; #endif - region.base = raw; - region.length = size; - raw += size; - /* - * XXX Until we have rdata structures, we have no choice but - * to directly access the rdata format. - */ - dns_name_init(&ns_name, offsets); - dns_name_fromregion(&ns_name, ®ion); - if (dns_name_compare(&ns_name, name) == 0) { - valid = ISC_TRUE; - break; - } - } - - return (valid); + region.base = raw; + region.length = size; + raw += size; + /* + * XXX Until we have rdata structures, we have no choice but + * to directly access the rdata format. + */ + dns_name_init(&ns_name, offsets); + dns_name_fromregion(&ns_name, ®ion); + if (dns_name_compare(&ns_name, name) == 0) { + valid = ISC_TRUE; + break; + } + } + + return (valid); } static inline isc_boolean_t activeempty(rbtdb_search_t *search, dns_rbtnodechain_t *chain, - dns_name_t *name) + dns_name_t *name) { - dns_fixedname_t fnext; - dns_fixedname_t forigin; - dns_name_t *next; - dns_name_t *origin; - dns_name_t prefix; - dns_rbtdb_t *rbtdb; - dns_rbtnode_t *node; - isc_result_t result; - isc_boolean_t answer = ISC_FALSE; - rdatasetheader_t *header; - - rbtdb = search->rbtdb; - - dns_name_init(&prefix, NULL); - dns_fixedname_init(&fnext); - next = dns_fixedname_name(&fnext); - dns_fixedname_init(&forigin); - origin = dns_fixedname_name(&forigin); - - result = dns_rbtnodechain_next(chain, NULL, NULL); - while (result == ISC_R_SUCCESS || result == DNS_R_NEWORIGIN) { - node = NULL; - result = dns_rbtnodechain_current(chain, &prefix, - origin, &node); - if (result != ISC_R_SUCCESS) - break; - NODE_LOCK(&(rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - for (header = node->data; - header != NULL; - header = header->next) { - if (header->serial <= search->serial && - !IGNORE(header) && EXISTS(header)) - break; - } - NODE_UNLOCK(&(rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - if (header != NULL) - break; - result = dns_rbtnodechain_next(chain, NULL, NULL); - } - if (result == ISC_R_SUCCESS) - result = dns_name_concatenate(&prefix, origin, next, NULL); - if (result == ISC_R_SUCCESS && dns_name_issubdomain(next, name)) - answer = ISC_TRUE; - return (answer); + dns_fixedname_t fnext; + dns_fixedname_t forigin; + dns_name_t *next; + dns_name_t *origin; + dns_name_t prefix; + dns_rbtdb_t *rbtdb; + dns_rbtnode_t *node; + isc_result_t result; + isc_boolean_t answer = ISC_FALSE; + rdatasetheader_t *header; + + rbtdb = search->rbtdb; + + dns_name_init(&prefix, NULL); + dns_fixedname_init(&fnext); + next = dns_fixedname_name(&fnext); + dns_fixedname_init(&forigin); + origin = dns_fixedname_name(&forigin); + + result = dns_rbtnodechain_next(chain, NULL, NULL); + while (result == ISC_R_SUCCESS || result == DNS_R_NEWORIGIN) { + node = NULL; + result = dns_rbtnodechain_current(chain, &prefix, + origin, &node); + if (result != ISC_R_SUCCESS) + break; + NODE_LOCK(&(rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + for (header = node->data; + header != NULL; + header = header->next) { + if (header->serial <= search->serial && + !IGNORE(header) && EXISTS(header)) + break; + } + NODE_UNLOCK(&(rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + if (header != NULL) + break; + result = dns_rbtnodechain_next(chain, NULL, NULL); + } + if (result == ISC_R_SUCCESS) + result = dns_name_concatenate(&prefix, origin, next, NULL); + if (result == ISC_R_SUCCESS && dns_name_issubdomain(next, name)) + answer = ISC_TRUE; + return (answer); } static inline isc_boolean_t activeemtpynode(rbtdb_search_t *search, dns_name_t *qname, dns_name_t *wname) { - dns_fixedname_t fnext; - dns_fixedname_t forigin; - dns_fixedname_t fprev; - dns_name_t *next; - dns_name_t *origin; - dns_name_t *prev; - dns_name_t name; - dns_name_t rname; - dns_name_t tname; - dns_rbtdb_t *rbtdb; - dns_rbtnode_t *node; - dns_rbtnodechain_t chain; - isc_boolean_t check_next = ISC_TRUE; - isc_boolean_t check_prev = ISC_TRUE; - isc_boolean_t answer = ISC_FALSE; - isc_result_t result; - rdatasetheader_t *header; - unsigned int n; - - rbtdb = search->rbtdb; - - dns_name_init(&name, NULL); - dns_name_init(&tname, NULL); - dns_name_init(&rname, NULL); - dns_fixedname_init(&fnext); - next = dns_fixedname_name(&fnext); - dns_fixedname_init(&fprev); - prev = dns_fixedname_name(&fprev); - dns_fixedname_init(&forigin); - origin = dns_fixedname_name(&forigin); - - /* - * Find if qname is at or below a empty node. - * Use our own copy of the chain. - */ - - chain = search->chain; - do { - node = NULL; - result = dns_rbtnodechain_current(&chain, &name, - origin, &node); - if (result != ISC_R_SUCCESS) - break; - NODE_LOCK(&(rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - for (header = node->data; - header != NULL; - header = header->next) { - if (header->serial <= search->serial && - !IGNORE(header) && EXISTS(header)) - break; - } - NODE_UNLOCK(&(rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - if (header != NULL) - break; - result = dns_rbtnodechain_prev(&chain, NULL, NULL); - } while (result == ISC_R_SUCCESS || result == DNS_R_NEWORIGIN); - if (result == ISC_R_SUCCESS) - result = dns_name_concatenate(&name, origin, prev, NULL); - if (result != ISC_R_SUCCESS) - check_prev = ISC_FALSE; - - result = dns_rbtnodechain_next(&chain, NULL, NULL); - while (result == ISC_R_SUCCESS || result == DNS_R_NEWORIGIN) { - node = NULL; - result = dns_rbtnodechain_current(&chain, &name, - origin, &node); - if (result != ISC_R_SUCCESS) - break; - NODE_LOCK(&(rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - for (header = node->data; - header != NULL; - header = header->next) { - if (header->serial <= search->serial && - !IGNORE(header) && EXISTS(header)) - break; - } - NODE_UNLOCK(&(rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - if (header != NULL) - break; - result = dns_rbtnodechain_next(&chain, NULL, NULL); - } - if (result == ISC_R_SUCCESS) - result = dns_name_concatenate(&name, origin, next, NULL); - if (result != ISC_R_SUCCESS) - check_next = ISC_FALSE; - - dns_name_clone(qname, &rname); - - /* - * Remove the wildcard label to find the terminal name. - */ - n = dns_name_countlabels(wname); - dns_name_getlabelsequence(wname, 1, n - 1, &tname); - - do { - if ((check_prev && dns_name_issubdomain(prev, &rname)) || - (check_next && dns_name_issubdomain(next, &rname))) { - answer = ISC_TRUE; - break; - } - /* - * Remove the left hand label. - */ - n = dns_name_countlabels(&rname); - dns_name_getlabelsequence(&rname, 1, n - 1, &rname); - } while (!dns_name_equal(&rname, &tname)); - return (answer); + dns_fixedname_t fnext; + dns_fixedname_t forigin; + dns_fixedname_t fprev; + dns_name_t *next; + dns_name_t *origin; + dns_name_t *prev; + dns_name_t name; + dns_name_t rname; + dns_name_t tname; + dns_rbtdb_t *rbtdb; + dns_rbtnode_t *node; + dns_rbtnodechain_t chain; + isc_boolean_t check_next = ISC_TRUE; + isc_boolean_t check_prev = ISC_TRUE; + isc_boolean_t answer = ISC_FALSE; + isc_result_t result; + rdatasetheader_t *header; + unsigned int n; + + rbtdb = search->rbtdb; + + dns_name_init(&name, NULL); + dns_name_init(&tname, NULL); + dns_name_init(&rname, NULL); + dns_fixedname_init(&fnext); + next = dns_fixedname_name(&fnext); + dns_fixedname_init(&fprev); + prev = dns_fixedname_name(&fprev); + dns_fixedname_init(&forigin); + origin = dns_fixedname_name(&forigin); + + /* + * Find if qname is at or below a empty node. + * Use our own copy of the chain. + */ + + chain = search->chain; + do { + node = NULL; + result = dns_rbtnodechain_current(&chain, &name, + origin, &node); + if (result != ISC_R_SUCCESS) + break; + NODE_LOCK(&(rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + for (header = node->data; + header != NULL; + header = header->next) { + if (header->serial <= search->serial && + !IGNORE(header) && EXISTS(header)) + break; + } + NODE_UNLOCK(&(rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + if (header != NULL) + break; + result = dns_rbtnodechain_prev(&chain, NULL, NULL); + } while (result == ISC_R_SUCCESS || result == DNS_R_NEWORIGIN); + if (result == ISC_R_SUCCESS) + result = dns_name_concatenate(&name, origin, prev, NULL); + if (result != ISC_R_SUCCESS) + check_prev = ISC_FALSE; + + result = dns_rbtnodechain_next(&chain, NULL, NULL); + while (result == ISC_R_SUCCESS || result == DNS_R_NEWORIGIN) { + node = NULL; + result = dns_rbtnodechain_current(&chain, &name, + origin, &node); + if (result != ISC_R_SUCCESS) + break; + NODE_LOCK(&(rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + for (header = node->data; + header != NULL; + header = header->next) { + if (header->serial <= search->serial && + !IGNORE(header) && EXISTS(header)) + break; + } + NODE_UNLOCK(&(rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + if (header != NULL) + break; + result = dns_rbtnodechain_next(&chain, NULL, NULL); + } + if (result == ISC_R_SUCCESS) + result = dns_name_concatenate(&name, origin, next, NULL); + if (result != ISC_R_SUCCESS) + check_next = ISC_FALSE; + + dns_name_clone(qname, &rname); + + /* + * Remove the wildcard label to find the terminal name. + */ + n = dns_name_countlabels(wname); + dns_name_getlabelsequence(wname, 1, n - 1, &tname); + + do { + if ((check_prev && dns_name_issubdomain(prev, &rname)) || + (check_next && dns_name_issubdomain(next, &rname))) { + answer = ISC_TRUE; + break; + } + /* + * Remove the left hand label. + */ + n = dns_name_countlabels(&rname); + dns_name_getlabelsequence(&rname, 1, n - 1, &rname); + } while (!dns_name_equal(&rname, &tname)); + return (answer); } static inline isc_result_t find_wildcard(rbtdb_search_t *search, dns_rbtnode_t **nodep, - dns_name_t *qname) + dns_name_t *qname) { - unsigned int i, j; - dns_rbtnode_t *node, *level_node, *wnode; - rdatasetheader_t *header; - isc_result_t result = ISC_R_NOTFOUND; - dns_name_t name; - dns_name_t *wname; - dns_fixedname_t fwname; - dns_rbtdb_t *rbtdb; - isc_boolean_t done, wild, active; - dns_rbtnodechain_t wchain; - - /* - * Caller must be holding the tree lock and MUST NOT be holding - * any node locks. - */ - - /* - * Examine each ancestor level. If the level's wild bit - * is set, then construct the corresponding wildcard name and - * search for it. If the wildcard node exists, and is active in - * this version, we're done. If not, then we next check to see - * if the ancestor is active in this version. If so, then there - * can be no possible wildcard match and again we're done. If not, - * continue the search. - */ - - rbtdb = search->rbtdb; - i = search->chain.level_matches; - done = ISC_FALSE; - node = *nodep; - do { - NODE_LOCK(&(rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - - /* - * First we try to figure out if this node is active in - * the search's version. We do this now, even though we - * may not need the information, because it simplifies the - * locking and code flow. - */ - for (header = node->data; - header != NULL; - header = header->next) { - if (header->serial <= search->serial && - !IGNORE(header) && EXISTS(header)) - break; - } - if (header != NULL) - active = ISC_TRUE; - else - active = ISC_FALSE; - - if (node->wild) - wild = ISC_TRUE; - else - wild = ISC_FALSE; - - NODE_UNLOCK(&(rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - - if (wild) { - /* - * Construct the wildcard name for this level. - */ - dns_name_init(&name, NULL); - dns_rbt_namefromnode(node, &name); - dns_fixedname_init(&fwname); - wname = dns_fixedname_name(&fwname); - result = dns_name_concatenate(dns_wildcardname, &name, - wname, NULL); - j = i; - while (result == ISC_R_SUCCESS && j != 0) { - j--; - level_node = search->chain.levels[j]; - dns_name_init(&name, NULL); - dns_rbt_namefromnode(level_node, &name); - result = dns_name_concatenate(wname, - &name, - wname, - NULL); - } - if (result != ISC_R_SUCCESS) - break; - - wnode = NULL; - dns_rbtnodechain_init(&wchain, NULL); - result = dns_rbt_findnode(rbtdb->tree, wname, - NULL, &wnode, &wchain, - DNS_RBTFIND_EMPTYDATA, - NULL, NULL); - if (result == ISC_R_SUCCESS) { - nodelock_t *lock; - - /* - * We have found the wildcard node. If it - * is active in the search's version, we're - * done. - */ - lock = &rbtdb->node_locks[wnode->locknum].lock; - NODE_LOCK(lock, isc_rwlocktype_read); - for (header = wnode->data; - header != NULL; - header = header->next) { - if (header->serial <= search->serial && - !IGNORE(header) && EXISTS(header)) - break; - } - NODE_UNLOCK(lock, isc_rwlocktype_read); - if (header != NULL || - activeempty(search, &wchain, wname)) { - if (activeemtpynode(search, qname, - wname)) { - return (ISC_R_NOTFOUND); - } - /* - * The wildcard node is active! - * - * Note: result is still ISC_R_SUCCESS - * so we don't have to set it. - */ - *nodep = wnode; - break; - } - } else if (result != ISC_R_NOTFOUND && - result != DNS_R_PARTIALMATCH) { - /* - * An error has occurred. Bail out. - */ - break; - } - } - - if (active) { - /* - * The level node is active. Any wildcarding - * present at higher levels has no - * effect and we're done. - */ - result = ISC_R_NOTFOUND; - break; - } - - if (i > 0) { - i--; - node = search->chain.levels[i]; - } else - done = ISC_TRUE; - } while (!done); - - return (result); + unsigned int i, j; + dns_rbtnode_t *node, *level_node, *wnode; + rdatasetheader_t *header; + isc_result_t result = ISC_R_NOTFOUND; + dns_name_t name; + dns_name_t *wname; + dns_fixedname_t fwname; + dns_rbtdb_t *rbtdb; + isc_boolean_t done, wild, active; + dns_rbtnodechain_t wchain; + + /* + * Caller must be holding the tree lock and MUST NOT be holding + * any node locks. + */ + + /* + * Examine each ancestor level. If the level's wild bit + * is set, then construct the corresponding wildcard name and + * search for it. If the wildcard node exists, and is active in + * this version, we're done. If not, then we next check to see + * if the ancestor is active in this version. If so, then there + * can be no possible wildcard match and again we're done. If not, + * continue the search. + */ + + rbtdb = search->rbtdb; + i = search->chain.level_matches; + done = ISC_FALSE; + node = *nodep; + do { + NODE_LOCK(&(rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + + /* + * First we try to figure out if this node is active in + * the search's version. We do this now, even though we + * may not need the information, because it simplifies the + * locking and code flow. + */ + for (header = node->data; + header != NULL; + header = header->next) { + if (header->serial <= search->serial && + !IGNORE(header) && EXISTS(header)) + break; + } + if (header != NULL) + active = ISC_TRUE; + else + active = ISC_FALSE; + + if (node->wild) + wild = ISC_TRUE; + else + wild = ISC_FALSE; + + NODE_UNLOCK(&(rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + + if (wild) { + /* + * Construct the wildcard name for this level. + */ + dns_name_init(&name, NULL); + dns_rbt_namefromnode(node, &name); + dns_fixedname_init(&fwname); + wname = dns_fixedname_name(&fwname); + result = dns_name_concatenate(dns_wildcardname, &name, + wname, NULL); + j = i; + while (result == ISC_R_SUCCESS && j != 0) { + j--; + level_node = search->chain.levels[j]; + dns_name_init(&name, NULL); + dns_rbt_namefromnode(level_node, &name); + result = dns_name_concatenate(wname, + &name, + wname, + NULL); + } + if (result != ISC_R_SUCCESS) + break; + + wnode = NULL; + dns_rbtnodechain_init(&wchain, NULL); + result = dns_rbt_findnode(rbtdb->tree, wname, + NULL, &wnode, &wchain, + DNS_RBTFIND_EMPTYDATA, + NULL, NULL); + if (result == ISC_R_SUCCESS) { + nodelock_t *lock; + + /* + * We have found the wildcard node. If it + * is active in the search's version, we're + * done. + */ + lock = &rbtdb->node_locks[wnode->locknum].lock; + NODE_LOCK(lock, isc_rwlocktype_read); + for (header = wnode->data; + header != NULL; + header = header->next) { + if (header->serial <= search->serial && + !IGNORE(header) && EXISTS(header)) + break; + } + NODE_UNLOCK(lock, isc_rwlocktype_read); + if (header != NULL || + activeempty(search, &wchain, wname)) { + if (activeemtpynode(search, qname, + wname)) { + return (ISC_R_NOTFOUND); + } + /* + * The wildcard node is active! + * + * Note: result is still ISC_R_SUCCESS + * so we don't have to set it. + */ + *nodep = wnode; + break; + } + } else if (result != ISC_R_NOTFOUND && + result != DNS_R_PARTIALMATCH) { + /* + * An error has occurred. Bail out. + */ + break; + } + } + + if (active) { + /* + * The level node is active. Any wildcarding + * present at higher levels has no + * effect and we're done. + */ + result = ISC_R_NOTFOUND; + break; + } + + if (i > 0) { + i--; + node = search->chain.levels[i]; + } else + done = ISC_TRUE; + } while (!done); + + return (result); } static inline isc_result_t find_closest_nsec(rbtdb_search_t *search, dns_dbnode_t **nodep, - dns_name_t *foundname, dns_rdataset_t *rdataset, - dns_rdataset_t *sigrdataset, isc_boolean_t need_sig) + dns_name_t *foundname, dns_rdataset_t *rdataset, + dns_rdataset_t *sigrdataset, isc_boolean_t need_sig) { - dns_rbtnode_t *node; - rdatasetheader_t *header, *header_next, *found, *foundsig; - isc_boolean_t empty_node; - isc_result_t result; - dns_fixedname_t fname, forigin; - dns_name_t *name, *origin; - - do { - node = NULL; - dns_fixedname_init(&fname); - name = dns_fixedname_name(&fname); - dns_fixedname_init(&forigin); - origin = dns_fixedname_name(&forigin); - result = dns_rbtnodechain_current(&search->chain, name, - origin, &node); - if (result != ISC_R_SUCCESS) - return (result); - NODE_LOCK(&(search->rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - found = NULL; - foundsig = NULL; - empty_node = ISC_TRUE; - for (header = node->data; - header != NULL; - header = header_next) { - header_next = header->next; - /* - * Look for an active, extant NSEC or RRSIG NSEC. - */ - do { - if (header->serial <= search->serial && - !IGNORE(header)) { - /* - * Is this a "this rdataset doesn't - * exist" record? - */ - if (NONEXISTENT(header)) - header = NULL; - break; - } else - header = header->down; - } while (header != NULL); - if (header != NULL) { - /* - * We now know that there is at least one - * active rdataset at this node. - */ - empty_node = ISC_FALSE; - if (header->type == dns_rdatatype_nsec) { - found = header; - if (foundsig != NULL) - break; - } else if (header->type == - RBTDB_RDATATYPE_SIGNSEC) { - foundsig = header; - if (found != NULL) - break; - } - } - } - if (!empty_node) { - if (found != NULL && - (foundsig != NULL || !need_sig)) - { - /* - * We've found the right NSEC record. - * - * Note: for this to really be the right - * NSEC record, it's essential that the NSEC - * records of any nodes obscured by a zone - * cut have been removed; we assume this is - * the case. - */ - result = dns_name_concatenate(name, origin, - foundname, NULL); - if (result == ISC_R_SUCCESS) { - if (nodep != NULL) { - new_reference(search->rbtdb, - node); - *nodep = node; - } - bind_rdataset(search->rbtdb, node, - found, search->now, - rdataset); - if (foundsig != NULL) - bind_rdataset(search->rbtdb, - node, - foundsig, - search->now, - sigrdataset); - } - } else if (found == NULL && foundsig == NULL) { - /* - * This node is active, but has no NSEC or - * RRSIG NSEC. That means it's glue or - * other obscured zone data that isn't - * relevant for our search. Treat the - * node as if it were empty and keep looking. - */ - empty_node = ISC_TRUE; - result = dns_rbtnodechain_prev(&search->chain, - NULL, NULL); - } else { - /* - * We found an active node, but either the - * NSEC or the RRSIG NSEC is missing. This - * shouldn't happen. - */ - result = DNS_R_BADDB; - } - } else { - /* - * This node isn't active. We've got to keep - * looking. - */ - result = dns_rbtnodechain_prev(&search->chain, NULL, - NULL); - } - NODE_UNLOCK(&(search->rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - } while (empty_node && result == ISC_R_SUCCESS); - - /* - * If the result is ISC_R_NOMORE, then we got to the beginning of - * the database and didn't find a NSEC record. This shouldn't - * happen. - */ - if (result == ISC_R_NOMORE) - result = DNS_R_BADDB; - - return (result); + dns_rbtnode_t *node; + rdatasetheader_t *header, *header_next, *found, *foundsig; + isc_boolean_t empty_node; + isc_result_t result; + dns_fixedname_t fname, forigin; + dns_name_t *name, *origin; + + do { + node = NULL; + dns_fixedname_init(&fname); + name = dns_fixedname_name(&fname); + dns_fixedname_init(&forigin); + origin = dns_fixedname_name(&forigin); + result = dns_rbtnodechain_current(&search->chain, name, + origin, &node); + if (result != ISC_R_SUCCESS) + return (result); + NODE_LOCK(&(search->rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + found = NULL; + foundsig = NULL; + empty_node = ISC_TRUE; + for (header = node->data; + header != NULL; + header = header_next) { + header_next = header->next; + /* + * Look for an active, extant NSEC or RRSIG NSEC. + */ + do { + if (header->serial <= search->serial && + !IGNORE(header)) { + /* + * Is this a "this rdataset doesn't + * exist" record? + */ + if (NONEXISTENT(header)) + header = NULL; + break; + } else + header = header->down; + } while (header != NULL); + if (header != NULL) { + /* + * We now know that there is at least one + * active rdataset at this node. + */ + empty_node = ISC_FALSE; + if (header->type == dns_rdatatype_nsec) { + found = header; + if (foundsig != NULL) + break; + } else if (header->type == + RBTDB_RDATATYPE_SIGNSEC) { + foundsig = header; + if (found != NULL) + break; + } + } + } + if (!empty_node) { + if (found != NULL && + (foundsig != NULL || !need_sig)) + { + /* + * We've found the right NSEC record. + * + * Note: for this to really be the right + * NSEC record, it's essential that the NSEC + * records of any nodes obscured by a zone + * cut have been removed; we assume this is + * the case. + */ + result = dns_name_concatenate(name, origin, + foundname, NULL); + if (result == ISC_R_SUCCESS) { + if (nodep != NULL) { + new_reference(search->rbtdb, + node); + *nodep = node; + } + bind_rdataset(search->rbtdb, node, + found, search->now, + rdataset); + if (foundsig != NULL) + bind_rdataset(search->rbtdb, + node, + foundsig, + search->now, + sigrdataset); + } + } else if (found == NULL && foundsig == NULL) { + /* + * This node is active, but has no NSEC or + * RRSIG NSEC. That means it's glue or + * other obscured zone data that isn't + * relevant for our search. Treat the + * node as if it were empty and keep looking. + */ + empty_node = ISC_TRUE; + result = dns_rbtnodechain_prev(&search->chain, + NULL, NULL); + } else { + /* + * We found an active node, but either the + * NSEC or the RRSIG NSEC is missing. This + * shouldn't happen. + */ + result = DNS_R_BADDB; + } + } else { + /* + * This node isn't active. We've got to keep + * looking. + */ + result = dns_rbtnodechain_prev(&search->chain, NULL, + NULL); + } + NODE_UNLOCK(&(search->rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + } while (empty_node && result == ISC_R_SUCCESS); + + /* + * If the result is ISC_R_NOMORE, then we got to the beginning of + * the database and didn't find a NSEC record. This shouldn't + * happen. + */ + if (result == ISC_R_NOMORE) + result = DNS_R_BADDB; + + return (result); } static isc_result_t zone_find(dns_db_t *db, dns_name_t *name, dns_dbversion_t *version, - dns_rdatatype_t type, unsigned int options, isc_stdtime_t now, - dns_dbnode_t **nodep, dns_name_t *foundname, - dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) + dns_rdatatype_t type, unsigned int options, isc_stdtime_t now, + dns_dbnode_t **nodep, dns_name_t *foundname, + dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) { - dns_rbtnode_t *node = NULL; - isc_result_t result; - rbtdb_search_t search; - isc_boolean_t cname_ok = ISC_TRUE; - isc_boolean_t close_version = ISC_FALSE; - isc_boolean_t maybe_zonecut = ISC_FALSE; - isc_boolean_t at_zonecut = ISC_FALSE; - isc_boolean_t wild; - isc_boolean_t empty_node; - rdatasetheader_t *header, *header_next, *found, *nsecheader; - rdatasetheader_t *foundsig, *cnamesig, *nsecsig; - rbtdb_rdatatype_t sigtype; - isc_boolean_t active; - dns_rbtnodechain_t chain; - nodelock_t *lock; - - - search.rbtdb = (dns_rbtdb_t *)db; - - REQUIRE(VALID_RBTDB(search.rbtdb)); - - /* - * We don't care about 'now'. - */ - UNUSED(now); - - /* - * If the caller didn't supply a version, attach to the current - * version. - */ - if (version == NULL) { - currentversion(db, &version); - close_version = ISC_TRUE; - } - - search.rbtversion = version; - search.serial = search.rbtversion->serial; - search.options = options; - search.copy_name = ISC_FALSE; - search.need_cleanup = ISC_FALSE; - search.wild = ISC_FALSE; - search.zonecut = NULL; - dns_fixedname_init(&search.zonecut_name); - dns_rbtnodechain_init(&search.chain, search.rbtdb->common.mctx); - search.now = 0; - - /* - * 'wild' will be true iff. we've matched a wildcard. - */ - wild = ISC_FALSE; - - RWLOCK(&search.rbtdb->tree_lock, isc_rwlocktype_read); - - /* - * Search down from the root of the tree. If, while going down, we - * encounter a callback node, zone_zonecut_callback() will search the - * rdatasets at the zone cut for active DNAME or NS rdatasets. - */ - result = dns_rbt_findnode(search.rbtdb->tree, name, foundname, &node, - &search.chain, DNS_RBTFIND_EMPTYDATA, - zone_zonecut_callback, &search); - - if (result == DNS_R_PARTIALMATCH) { - partial_match: - if (search.zonecut != NULL) { - result = setup_delegation(&search, nodep, foundname, - rdataset, sigrdataset); - goto tree_exit; - } - - if (search.wild) { - /* - * At least one of the levels in the search chain - * potentially has a wildcard. For each such level, - * we must see if there's a matching wildcard active - * in the current version. - */ - result = find_wildcard(&search, &node, name); - if (result == ISC_R_SUCCESS) { - result = dns_name_copy(name, foundname, NULL); - if (result != ISC_R_SUCCESS) - goto tree_exit; - wild = ISC_TRUE; - goto found; - } - else if (result != ISC_R_NOTFOUND) - goto tree_exit; - } - - chain = search.chain; - active = activeempty(&search, &chain, name); - - /* - * If we're here, then the name does not exist, is not - * beneath a zonecut, and there's no matching wildcard. - */ - if (search.rbtdb->secure || - (search.options & DNS_DBFIND_FORCENSEC) != 0) - { - result = find_closest_nsec(&search, nodep, foundname, - rdataset, sigrdataset, - search.rbtdb->secure); - if (result == ISC_R_SUCCESS) - result = active ? DNS_R_EMPTYNAME : - DNS_R_NXDOMAIN; - } else - result = active ? DNS_R_EMPTYNAME : DNS_R_NXDOMAIN; - goto tree_exit; - } else if (result != ISC_R_SUCCESS) - goto tree_exit; + dns_rbtnode_t *node = NULL; + isc_result_t result; + rbtdb_search_t search; + isc_boolean_t cname_ok = ISC_TRUE; + isc_boolean_t close_version = ISC_FALSE; + isc_boolean_t maybe_zonecut = ISC_FALSE; + isc_boolean_t at_zonecut = ISC_FALSE; + isc_boolean_t wild; + isc_boolean_t empty_node; + rdatasetheader_t *header, *header_next, *found, *nsecheader; + rdatasetheader_t *foundsig, *cnamesig, *nsecsig; + rbtdb_rdatatype_t sigtype; + isc_boolean_t active; + dns_rbtnodechain_t chain; + nodelock_t *lock; + + + search.rbtdb = (dns_rbtdb_t *)db; + + REQUIRE(VALID_RBTDB(search.rbtdb)); + + /* + * We don't care about 'now'. + */ + UNUSED(now); + + /* + * If the caller didn't supply a version, attach to the current + * version. + */ + if (version == NULL) { + currentversion(db, &version); + close_version = ISC_TRUE; + } + + search.rbtversion = version; + search.serial = search.rbtversion->serial; + search.options = options; + search.copy_name = ISC_FALSE; + search.need_cleanup = ISC_FALSE; + search.wild = ISC_FALSE; + search.zonecut = NULL; + dns_fixedname_init(&search.zonecut_name); + dns_rbtnodechain_init(&search.chain, search.rbtdb->common.mctx); + search.now = 0; + + /* + * 'wild' will be true iff. we've matched a wildcard. + */ + wild = ISC_FALSE; + + RWLOCK(&search.rbtdb->tree_lock, isc_rwlocktype_read); + + /* + * Search down from the root of the tree. If, while going down, we + * encounter a callback node, zone_zonecut_callback() will search the + * rdatasets at the zone cut for active DNAME or NS rdatasets. + */ + result = dns_rbt_findnode(search.rbtdb->tree, name, foundname, &node, + &search.chain, DNS_RBTFIND_EMPTYDATA, + zone_zonecut_callback, &search); + + if (result == DNS_R_PARTIALMATCH) { + partial_match: + if (search.zonecut != NULL) { + result = setup_delegation(&search, nodep, foundname, + rdataset, sigrdataset); + goto tree_exit; + } + + if (search.wild) { + /* + * At least one of the levels in the search chain + * potentially has a wildcard. For each such level, + * we must see if there's a matching wildcard active + * in the current version. + */ + result = find_wildcard(&search, &node, name); + if (result == ISC_R_SUCCESS) { + result = dns_name_copy(name, foundname, NULL); + if (result != ISC_R_SUCCESS) + goto tree_exit; + wild = ISC_TRUE; + goto found; + } + else if (result != ISC_R_NOTFOUND) + goto tree_exit; + } + + chain = search.chain; + active = activeempty(&search, &chain, name); + + /* + * If we're here, then the name does not exist, is not + * beneath a zonecut, and there's no matching wildcard. + */ + if (search.rbtdb->secure || + (search.options & DNS_DBFIND_FORCENSEC) != 0) + { + result = find_closest_nsec(&search, nodep, foundname, + rdataset, sigrdataset, + search.rbtdb->secure); + if (result == ISC_R_SUCCESS) + result = active ? DNS_R_EMPTYNAME : + DNS_R_NXDOMAIN; + } else + result = active ? DNS_R_EMPTYNAME : DNS_R_NXDOMAIN; + goto tree_exit; + } else if (result != ISC_R_SUCCESS) + goto tree_exit; found: - /* - * We have found a node whose name is the desired name, or we - * have matched a wildcard. - */ - - if (search.zonecut != NULL) { - /* - * If we're beneath a zone cut, we don't want to look for - * CNAMEs because they're not legitimate zone glue. - */ - cname_ok = ISC_FALSE; - } else { - /* - * The node may be a zone cut itself. If it might be one, - * make sure we check for it later. - */ - if (node->find_callback && - (node != search.rbtdb->origin_node || - IS_STUB(search.rbtdb)) && - !dns_rdatatype_atparent(type)) - maybe_zonecut = ISC_TRUE; - } - - /* - * Certain DNSSEC types are not subject to CNAME matching - * (RFC4035, section 2.5 and RFC3007). - * - * We don't check for RRSIG, because we don't store RRSIG records - * directly. - */ - if (type == dns_rdatatype_key || type == dns_rdatatype_nsec) - cname_ok = ISC_FALSE; - - /* - * We now go looking for rdata... - */ - - NODE_LOCK(&(search.rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); - - found = NULL; - foundsig = NULL; - sigtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, type); - nsecheader = NULL; - nsecsig = NULL; - cnamesig = NULL; - empty_node = ISC_TRUE; - for (header = node->data; header != NULL; header = header_next) { - header_next = header->next; - /* - * Look for an active, extant rdataset. - */ - do { - if (header->serial <= search.serial && - !IGNORE(header)) { - /* - * Is this a "this rdataset doesn't - * exist" record? - */ - if (NONEXISTENT(header)) - header = NULL; - break; - } else - header = header->down; - } while (header != NULL); - if (header != NULL) { - /* - * We now know that there is at least one active - * rdataset at this node. - */ - empty_node = ISC_FALSE; - - /* - * Do special zone cut handling, if requested. - */ - if (maybe_zonecut && - header->type == dns_rdatatype_ns) { - /* - * We increment the reference count on node to - * ensure that search->zonecut_rdataset will - * still be valid later. - */ - new_reference(search.rbtdb, node); - search.zonecut = node; - search.zonecut_rdataset = header; - search.zonecut_sigrdataset = NULL; - search.need_cleanup = ISC_TRUE; - maybe_zonecut = ISC_FALSE; - at_zonecut = ISC_TRUE; - /* - * It is not clear if KEY should still be - * allowed at the parent side of the zone - * cut or not. It is needed for RFC3007 - * validated updates. - */ - if ((search.options & DNS_DBFIND_GLUEOK) == 0 - && type != dns_rdatatype_nsec - && type != dns_rdatatype_key) { - /* - * Glue is not OK, but any answer we - * could return would be glue. Return - * the delegation. - */ - found = NULL; - break; - } - if (found != NULL && foundsig != NULL) - break; - } - - /* - * If we found a type we were looking for, - * remember it. - */ - if (header->type == type || - type == dns_rdatatype_any || - (header->type == dns_rdatatype_cname && - cname_ok)) { - /* - * We've found the answer! - */ - found = header; - if (header->type == dns_rdatatype_cname && - cname_ok) { - /* - * We may be finding a CNAME instead - * of the desired type. - * - * If we've already got the CNAME RRSIG, - * use it, otherwise change sigtype - * so that we find it. - */ - if (cnamesig != NULL) - foundsig = cnamesig; - else - sigtype = - RBTDB_RDATATYPE_SIGCNAME; - } - /* - * If we've got all we need, end the search. - */ - if (!maybe_zonecut && foundsig != NULL) - break; - } else if (header->type == sigtype) { - /* - * We've found the RRSIG rdataset for our - * target type. Remember it. - */ - foundsig = header; - /* - * If we've got all we need, end the search. - */ - if (!maybe_zonecut && found != NULL) - break; - } else if (header->type == dns_rdatatype_nsec) { - /* - * Remember a NSEC rdataset even if we're - * not specifically looking for it, because - * we might need it later. - */ - nsecheader = header; - } else if (header->type == RBTDB_RDATATYPE_SIGNSEC) { - /* - * If we need the NSEC rdataset, we'll also - * need its signature. - */ - nsecsig = header; - } else if (cname_ok && - header->type == RBTDB_RDATATYPE_SIGCNAME) { - /* - * If we get a CNAME match, we'll also need - * its signature. - */ - cnamesig = header; - } - } - } - - if (empty_node) { - /* - * We have an exact match for the name, but there are no - * active rdatasets in the desired version. That means that - * this node doesn't exist in the desired version, and that - * we really have a partial match. - */ - if (!wild) { - lock = &search.rbtdb->node_locks[node->locknum].lock; - NODE_UNLOCK(lock, isc_rwlocktype_read); - goto partial_match; - } - } - - /* - * If we didn't find what we were looking for... - */ - if (found == NULL) { - if (search.zonecut != NULL) { - /* - * We were trying to find glue at a node beneath a - * zone cut, but didn't. - * - * Return the delegation. - */ - lock = &search.rbtdb->node_locks[node->locknum].lock; - NODE_UNLOCK(lock, isc_rwlocktype_read); - result = setup_delegation(&search, nodep, foundname, - rdataset, sigrdataset); - goto tree_exit; - } - /* - * The desired type doesn't exist. - */ - result = DNS_R_NXRRSET; - if (search.rbtdb->secure && - (nsecheader == NULL || nsecsig == NULL)) { - /* - * The zone is secure but there's no NSEC, - * or the NSEC has no signature! - */ - if (!wild) { - result = DNS_R_BADDB; - goto node_exit; - } - - lock = &search.rbtdb->node_locks[node->locknum].lock; - NODE_UNLOCK(lock, isc_rwlocktype_read); - result = find_closest_nsec(&search, nodep, foundname, - rdataset, sigrdataset, - search.rbtdb->secure); - if (result == ISC_R_SUCCESS) - result = DNS_R_EMPTYWILD; - goto tree_exit; - } - if ((search.options & DNS_DBFIND_FORCENSEC) != 0 && - nsecheader == NULL) - { - /* - * There's no NSEC record, and we were told - * to find one. - */ - result = DNS_R_BADDB; - goto node_exit; - } - if (nodep != NULL) { - new_reference(search.rbtdb, node); - *nodep = node; - } - if (search.rbtdb->secure || - (search.options & DNS_DBFIND_FORCENSEC) != 0) - { - bind_rdataset(search.rbtdb, node, nsecheader, - 0, rdataset); - if (nsecsig != NULL) - bind_rdataset(search.rbtdb, node, - nsecsig, 0, sigrdataset); - } - if (wild) - foundname->attributes |= DNS_NAMEATTR_WILDCARD; - goto node_exit; - } - - /* - * We found what we were looking for, or we found a CNAME. - */ - - if (type != found->type && - type != dns_rdatatype_any && - found->type == dns_rdatatype_cname) { - /* - * We weren't doing an ANY query and we found a CNAME instead - * of the type we were looking for, so we need to indicate - * that result to the caller. - */ - result = DNS_R_CNAME; - } else if (search.zonecut != NULL) { - /* - * If we're beneath a zone cut, we must indicate that the - * result is glue, unless we're actually at the zone cut - * and the type is NSEC or KEY. - */ - if (search.zonecut == node) { - /* - * It is not clear if KEY should still be - * allowed at the parent side of the zone - * cut or not. It is needed for RFC3007 - * validated updates. - */ - if (type == dns_rdatatype_nsec || - type == dns_rdatatype_key) - result = ISC_R_SUCCESS; - else if (type == dns_rdatatype_any) - result = DNS_R_ZONECUT; - else - result = DNS_R_GLUE; - } else - result = DNS_R_GLUE; - /* - * We might have found data that isn't glue, but was occluded - * by a dynamic update. If the caller cares about this, they - * will have told us to validate glue. - * - * XXX We should cache the glue validity state! - */ - if (result == DNS_R_GLUE && - (search.options & DNS_DBFIND_VALIDATEGLUE) != 0 && - !valid_glue(&search, foundname, type, node)) { - lock = &search.rbtdb->node_locks[node->locknum].lock; - NODE_UNLOCK(lock, isc_rwlocktype_read); - result = setup_delegation(&search, nodep, foundname, - rdataset, sigrdataset); - goto tree_exit; - } - } else { - /* - * An ordinary successful query! - */ - result = ISC_R_SUCCESS; - } - - if (nodep != NULL) { - if (!at_zonecut) - new_reference(search.rbtdb, node); - else - search.need_cleanup = ISC_FALSE; - *nodep = node; - } - - if (type != dns_rdatatype_any) { - bind_rdataset(search.rbtdb, node, found, 0, rdataset); - if (foundsig != NULL) - bind_rdataset(search.rbtdb, node, foundsig, 0, - sigrdataset); - } - - if (wild) - foundname->attributes |= DNS_NAMEATTR_WILDCARD; + /* + * We have found a node whose name is the desired name, or we + * have matched a wildcard. + */ + + if (search.zonecut != NULL) { + /* + * If we're beneath a zone cut, we don't want to look for + * CNAMEs because they're not legitimate zone glue. + */ + cname_ok = ISC_FALSE; + } else { + /* + * The node may be a zone cut itself. If it might be one, + * make sure we check for it later. + */ + if (node->find_callback && + (node != search.rbtdb->origin_node || + IS_STUB(search.rbtdb)) && + !dns_rdatatype_atparent(type)) + maybe_zonecut = ISC_TRUE; + } + + /* + * Certain DNSSEC types are not subject to CNAME matching + * (RFC4035, section 2.5 and RFC3007). + * + * We don't check for RRSIG, because we don't store RRSIG records + * directly. + */ + if (type == dns_rdatatype_key || type == dns_rdatatype_nsec) + cname_ok = ISC_FALSE; + + /* + * We now go looking for rdata... + */ + + NODE_LOCK(&(search.rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); + + found = NULL; + foundsig = NULL; + sigtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, type); + nsecheader = NULL; + nsecsig = NULL; + cnamesig = NULL; + empty_node = ISC_TRUE; + for (header = node->data; header != NULL; header = header_next) { + header_next = header->next; + /* + * Look for an active, extant rdataset. + */ + do { + if (header->serial <= search.serial && + !IGNORE(header)) { + /* + * Is this a "this rdataset doesn't + * exist" record? + */ + if (NONEXISTENT(header)) + header = NULL; + break; + } else + header = header->down; + } while (header != NULL); + if (header != NULL) { + /* + * We now know that there is at least one active + * rdataset at this node. + */ + empty_node = ISC_FALSE; + + /* + * Do special zone cut handling, if requested. + */ + if (maybe_zonecut && + header->type == dns_rdatatype_ns) { + /* + * We increment the reference count on node to + * ensure that search->zonecut_rdataset will + * still be valid later. + */ + new_reference(search.rbtdb, node); + search.zonecut = node; + search.zonecut_rdataset = header; + search.zonecut_sigrdataset = NULL; + search.need_cleanup = ISC_TRUE; + maybe_zonecut = ISC_FALSE; + at_zonecut = ISC_TRUE; + /* + * It is not clear if KEY should still be + * allowed at the parent side of the zone + * cut or not. It is needed for RFC3007 + * validated updates. + */ + if ((search.options & DNS_DBFIND_GLUEOK) == 0 + && type != dns_rdatatype_nsec + && type != dns_rdatatype_key) { + /* + * Glue is not OK, but any answer we + * could return would be glue. Return + * the delegation. + */ + found = NULL; + break; + } + if (found != NULL && foundsig != NULL) + break; + } + + /* + * If we found a type we were looking for, + * remember it. + */ + if (header->type == type || + type == dns_rdatatype_any || + (header->type == dns_rdatatype_cname && + cname_ok)) { + /* + * We've found the answer! + */ + found = header; + if (header->type == dns_rdatatype_cname && + cname_ok) { + /* + * We may be finding a CNAME instead + * of the desired type. + * + * If we've already got the CNAME RRSIG, + * use it, otherwise change sigtype + * so that we find it. + */ + if (cnamesig != NULL) + foundsig = cnamesig; + else + sigtype = + RBTDB_RDATATYPE_SIGCNAME; + } + /* + * If we've got all we need, end the search. + */ + if (!maybe_zonecut && foundsig != NULL) + break; + } else if (header->type == sigtype) { + /* + * We've found the RRSIG rdataset for our + * target type. Remember it. + */ + foundsig = header; + /* + * If we've got all we need, end the search. + */ + if (!maybe_zonecut && found != NULL) + break; + } else if (header->type == dns_rdatatype_nsec) { + /* + * Remember a NSEC rdataset even if we're + * not specifically looking for it, because + * we might need it later. + */ + nsecheader = header; + } else if (header->type == RBTDB_RDATATYPE_SIGNSEC) { + /* + * If we need the NSEC rdataset, we'll also + * need its signature. + */ + nsecsig = header; + } else if (cname_ok && + header->type == RBTDB_RDATATYPE_SIGCNAME) { + /* + * If we get a CNAME match, we'll also need + * its signature. + */ + cnamesig = header; + } + } + } + + if (empty_node) { + /* + * We have an exact match for the name, but there are no + * active rdatasets in the desired version. That means that + * this node doesn't exist in the desired version, and that + * we really have a partial match. + */ + if (!wild) { + lock = &search.rbtdb->node_locks[node->locknum].lock; + NODE_UNLOCK(lock, isc_rwlocktype_read); + goto partial_match; + } + } + + /* + * If we didn't find what we were looking for... + */ + if (found == NULL) { + if (search.zonecut != NULL) { + /* + * We were trying to find glue at a node beneath a + * zone cut, but didn't. + * + * Return the delegation. + */ + lock = &search.rbtdb->node_locks[node->locknum].lock; + NODE_UNLOCK(lock, isc_rwlocktype_read); + result = setup_delegation(&search, nodep, foundname, + rdataset, sigrdataset); + goto tree_exit; + } + /* + * The desired type doesn't exist. + */ + result = DNS_R_NXRRSET; + if (search.rbtdb->secure && + (nsecheader == NULL || nsecsig == NULL)) { + /* + * The zone is secure but there's no NSEC, + * or the NSEC has no signature! + */ + if (!wild) { + result = DNS_R_BADDB; + goto node_exit; + } + + lock = &search.rbtdb->node_locks[node->locknum].lock; + NODE_UNLOCK(lock, isc_rwlocktype_read); + result = find_closest_nsec(&search, nodep, foundname, + rdataset, sigrdataset, + search.rbtdb->secure); + if (result == ISC_R_SUCCESS) + result = DNS_R_EMPTYWILD; + goto tree_exit; + } + if ((search.options & DNS_DBFIND_FORCENSEC) != 0 && + nsecheader == NULL) + { + /* + * There's no NSEC record, and we were told + * to find one. + */ + result = DNS_R_BADDB; + goto node_exit; + } + if (nodep != NULL) { + new_reference(search.rbtdb, node); + *nodep = node; + } + if (search.rbtdb->secure || + (search.options & DNS_DBFIND_FORCENSEC) != 0) + { + bind_rdataset(search.rbtdb, node, nsecheader, + 0, rdataset); + if (nsecsig != NULL) + bind_rdataset(search.rbtdb, node, + nsecsig, 0, sigrdataset); + } + if (wild) + foundname->attributes |= DNS_NAMEATTR_WILDCARD; + goto node_exit; + } + + /* + * We found what we were looking for, or we found a CNAME. + */ + + if (type != found->type && + type != dns_rdatatype_any && + found->type == dns_rdatatype_cname) { + /* + * We weren't doing an ANY query and we found a CNAME instead + * of the type we were looking for, so we need to indicate + * that result to the caller. + */ + result = DNS_R_CNAME; + } else if (search.zonecut != NULL) { + /* + * If we're beneath a zone cut, we must indicate that the + * result is glue, unless we're actually at the zone cut + * and the type is NSEC or KEY. + */ + if (search.zonecut == node) { + /* + * It is not clear if KEY should still be + * allowed at the parent side of the zone + * cut or not. It is needed for RFC3007 + * validated updates. + */ + if (type == dns_rdatatype_nsec || + type == dns_rdatatype_key) + result = ISC_R_SUCCESS; + else if (type == dns_rdatatype_any) + result = DNS_R_ZONECUT; + else + result = DNS_R_GLUE; + } else + result = DNS_R_GLUE; + /* + * We might have found data that isn't glue, but was occluded + * by a dynamic update. If the caller cares about this, they + * will have told us to validate glue. + * + * XXX We should cache the glue validity state! + */ + if (result == DNS_R_GLUE && + (search.options & DNS_DBFIND_VALIDATEGLUE) != 0 && + !valid_glue(&search, foundname, type, node)) { + lock = &search.rbtdb->node_locks[node->locknum].lock; + NODE_UNLOCK(lock, isc_rwlocktype_read); + result = setup_delegation(&search, nodep, foundname, + rdataset, sigrdataset); + goto tree_exit; + } + } else { + /* + * An ordinary successful query! + */ + result = ISC_R_SUCCESS; + } + + if (nodep != NULL) { + if (!at_zonecut) + new_reference(search.rbtdb, node); + else + search.need_cleanup = ISC_FALSE; + *nodep = node; + } + + if (type != dns_rdatatype_any) { + bind_rdataset(search.rbtdb, node, found, 0, rdataset); + if (foundsig != NULL) + bind_rdataset(search.rbtdb, node, foundsig, 0, + sigrdataset); + } + + if (wild) + foundname->attributes |= DNS_NAMEATTR_WILDCARD; node_exit: - NODE_UNLOCK(&(search.rbtdb->node_locks[node->locknum].lock), - isc_rwlocktype_read); + NODE_UNLOCK(&(search.rbtdb->node_locks[node->locknum].lock), + isc_rwlocktype_read); tree_exit: - RWUNLOCK(&search.rbtdb->tree_lock, isc_rwlocktype_read); + RWUNLOCK(&search.rbtdb->tree_lock, isc_rwlocktype_read); - /* - * If we found a zonecut but aren't going to use it, we have to - * let go of it. - */ - if (search.need_cleanup) { - node = search.zonecut; - lock = &(search.rbtdb->node_locks[node->locknum].lock); + /* + * If we found a zonecut but aren't going to use it, we have to + * let go of it. + */ + if (search.need_cleanup) { + node = search.zonecut; + lock = &(search.rbtdb->node_locks[node->locknum].lock); - NODE_LOCK(lock, isc_rwlocktype_read); - decrement_reference(search.rbtdb, node, 0, - isc_rwlocktype_read, isc_rwlocktype_none); - NODE_UNLOCK(lock, isc_rwlocktype_read); - } + NODE_LOCK(lock, isc_rwlocktype_read); + decrement_reference(search.rbtdb, node, 0, + isc_rwlocktype_read, isc_rwlocktype_none); + NODE_UNLOCK(lock, isc_rwlocktype_read); + } - if (close_version) - closeversion(db, &version, ISC_FALSE); + if (close_version) + closeversion(db, &version, ISC_FALSE); - dns_rbtnodechain_reset(&search.chain); + dns_rbtnodechain_reset(&search.chain); - return (result); + return (result); } static isc_result_t zone_findzonecut(dns_db_t *db, dns_name_t *name, unsigned int options, - isc_stdtime_t now, dns_dbnode_t **nodep, - dns_name_t *foundname, - dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) + isc_stdtime_t now, dns_dbnode_t **nodep, + dns_name_t *foundname, + dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) { - UNUSED(db); - UNUSED(name); - UNUSED(options); - UNUSED(now); - UNUSED(nodep); - UNUSED(foundname); - UNUSED(rdataset); - UNUSED(sigrdataset); - - FATAL_ERROR(__FILE__, __LINE__, "zone_findzonecut() called!"); - - return (ISC_R_NOTIMPLEMENTED); + UNUSED(db); + UNUSED(name); + UNUSED(options); + UNUSED(now); + UNUSED(nodep); + UNUSED(foundname); + UNUSED(rdataset); + UNUSED(sigrdataset); + + FATAL_ERROR(__FILE__, __LINE__, "zone_findzonecut() called!"); + + return (ISC_R_NOTIMPLEMENTED); } static isc_result_t cache_zonecut_callback(dns_rbtnode_t *node, dns_name_t *name, void *arg) { - rbtdb_search_t *search = arg; - rdatasetheader_t *header, *header_prev, *header_next; - rdatasetheader_t *dname_header, *sigdname_header; - isc_result_t result; - nodelock_t *lock; - isc_rwlocktype_t locktype; - - /* XXX comment */ - - REQUIRE(search->zonecut == NULL); - - /* - * Keep compiler silent. - */ - UNUSED(name); - - lock = &(search->rbtdb->node_locks[node->locknum].lock); - locktype = isc_rwlocktype_read; - NODE_LOCK(lock, locktype); - - /* - * Look for a DNAME or RRSIG DNAME rdataset. - */ - dname_header = NULL; - sigdname_header = NULL; - header_prev = NULL; - for (header = node->data; header != NULL; header = header_next) { - header_next = header->next; - if (header->rdh_ttl <= search->now) { - /* - * This rdataset is stale. If no one else is - * using the node, we can clean it up right - * now, otherwise we mark it as stale, and - * the node as dirty, so it will get cleaned - * up later. - */ - if ((header->rdh_ttl <= search->now - RBTDB_VIRTUAL) && - (locktype == isc_rwlocktype_write || - NODE_TRYUPGRADE(lock) == ISC_R_SUCCESS)) { - /* - * We update the node's status only when we - * can get write access; otherwise, we leave - * others to this work. Periodical cleaning - * will eventually take the job as the last - * resort. - * We won't downgrade the lock, since other - * rdatasets are probably stale, too. - */ - locktype = isc_rwlocktype_write; - - if (dns_rbtnode_refcurrent(node) == 0) { - isc_mem_t *mctx; - - /* - * header->down can be non-NULL if the - * refcount has just decremented to 0 - * but decrement_reference() has not - * performed clean_cache_node(), in - * which case we need to purge the - * stale headers first. - */ - mctx = search->rbtdb->common.mctx; - clean_stale_headers(search->rbtdb, - mctx, - header); - if (header_prev != NULL) - header_prev->next = - header->next; - else - node->data = header->next; - free_rdataset(search->rbtdb, mctx, - header); - } else { - header->attributes |= - RDATASET_ATTR_STALE; - node->dirty = 1; - header_prev = header; - } - } else - header_prev = header; - } else if (header->type == dns_rdatatype_dname && - EXISTS(header)) { - dname_header = header; - header_prev = header; - } else if (header->type == RBTDB_RDATATYPE_SIGDNAME && - EXISTS(header)) { - sigdname_header = header; - header_prev = header; - } else - header_prev = header; - } - - if (dname_header != NULL && - (dname_header->trust != dns_trust_pending || - (search->options & DNS_DBFIND_PENDINGOK) != 0)) { - /* - * We increment the reference count on node to ensure that - * search->zonecut_rdataset will still be valid later. - */ - new_reference(search->rbtdb, node); - search->zonecut = node; - search->zonecut_rdataset = dname_header; - search->zonecut_sigrdataset = sigdname_header; - search->need_cleanup = ISC_TRUE; - result = DNS_R_PARTIALMATCH; - } else - result = DNS_R_CONTINUE; - - NODE_UNLOCK(lock, locktype); - - return (result); + rbtdb_search_t *search = arg; + rdatasetheader_t *header, *header_prev, *header_next; + rdatasetheader_t *dname_header, *sigdname_header; + isc_result_t result; + nodelock_t *lock; + isc_rwlocktype_t locktype; + + /* XXX comment */ + + REQUIRE(search->zonecut == NULL); + + /* + * Keep compiler silent. + */ + UNUSED(name); + + lock = &(search->rbtdb->node_locks[node->locknum].lock); + locktype = isc_rwlocktype_read; + NODE_LOCK(lock, locktype); + + /* + * Look for a DNAME or RRSIG DNAME rdataset. + */ + dname_header = NULL; + sigdname_header = NULL; + header_prev = NULL; + for (header = node->data; header != NULL; header = header_next) { + header_next = header->next; + if (header->rdh_ttl <= search->now) { + /* + * This rdataset is stale. If no one else is + * using the node, we can clean it up right + * now, otherwise we mark it as stale, and + * the node as dirty, so it will get cleaned + * up later. + */ + if ((header->rdh_ttl <= search->now - RBTDB_VIRTUAL) && + (locktype == isc_rwlocktype_write || + NODE_TRYUPGRADE(lock) == ISC_R_SUCCESS)) { + /* + * We update the node's status only when we + * can get write access; otherwise, we leave + * others to this work. Periodical cleaning + * will eventually take the job as the last + * resort. + * We won't downgrade the lock, since other + * rdatasets are probably stale, too. + */ + locktype = isc_rwlocktype_write; + + if (dns_rbtnode_refcurrent(node) == 0) { + isc_mem_t *mctx; + + /* + * header->down can be non-NULL if the + * refcount has just decremented to 0 + * but decrement_reference() has not + * performed clean_cache_node(), in + * which case we need to purge the + * stale headers first. + */ + mctx = search->rbtdb->common.mctx; + clean_stale_headers(search->rbtdb, + mctx, + header); + if (header_prev != NULL) + header_prev->next = + header->next; + else + node->data = header->next; + free_rdataset(search->rbtdb, mctx, + header); + } else { + header->attributes |= + RDATASET_ATTR_STALE; + node->dirty = 1; + header_prev = header; + } + } else + header_prev = header; + } else if (header->type == dns_rdatatype_dname && + EXISTS(header)) { + dname_header = header; + header_prev = header; + } else if (header->type == RBTDB_RDATATYPE_SIGDNAME && + EXISTS(header)) { + sigdname_header = header; + header_prev = header; + } else + header_prev = header; + } + + if (dname_header != NULL && + (dname_header->trust != dns_trust_pending || + (search->options & DNS_DBFIND_PENDINGOK) != 0)) { + /* + * We increment the reference count on node to ensure that + * search->zonecut_rdataset will still be valid later. + */ + new_reference(search->rbtdb, node); + search->zonecut = node; + search->zonecut_rdataset = dname_header; + search->zonecut_sigrdataset = sigdname_header; + search->need_cleanup = ISC_TRUE; + result = DNS_R_PARTIALMATCH; + } else + result = DNS_R_CONTINUE; + + NODE_UNLOCK(lock, locktype); + + return (result); } static inline isc_result_t find_deepest_zonecut(rbtdb_search_t *search, dns_rbtnode_t *node, - dns_dbnode_t **nodep, dns_name_t *foundname, - dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) + dns_dbnode_t **nodep, dns_name_t *foundname, + dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) { - unsigned int i; - dns_rbtnode_t *level_node; - rdatasetheader_t *header, *header_prev, *header_next; - rdatasetheader_t *found, *foundsig; - isc_result_t result = ISC_R_NOTFOUND; - dns_name_t name; - dns_rbtdb_t *rbtdb; - isc_boolean_t done; - nodelock_t *lock; - isc_rwlocktype_t locktype; - - /* - * Caller must be holding the tree lock. - */ - - rbtdb = search->rbtdb; - i = search->chain.level_matches; - done = ISC_FALSE; - do { - locktype = isc_rwlocktype_read; - lock = &rbtdb->node_locks[node->locknum].lock; - NODE_LOCK(lock, locktype); - - /* - * Look for NS and RRSIG NS rdatasets. - */ - found = NULL; - foundsig = NULL; - header_prev = NULL; - for (header = node->data; - header != NULL; - header = header_next) { - header_next = header->next; - if (header->rdh_ttl <= search->now) { - /* - * This rdataset is stale. If no one else is - * using the node, we can clean it up right - * now, otherwise we mark it as stale, and - * the node as dirty, so it will get cleaned - * up later. - */ - if ((header->rdh_ttl <= search->now - - RBTDB_VIRTUAL) && - (locktype == isc_rwlocktype_write || - NODE_TRYUPGRADE(lock) == ISC_R_SUCCESS)) { - /* - * We update the node's status only - * when we can get write access. - */ - locktype = isc_rwlocktype_write; - - if (dns_rbtnode_refcurrent(node) - == 0) { - isc_mem_t *m; - - m = search->rbtdb->common.mctx; - clean_stale_headers( - search->rbtdb, - m, header); - if (header_prev != NULL) - header_prev->next = - header->next; - else - node->data = - header->next; - free_rdataset(rbtdb, m, - header); - } else { - header->attributes |= - RDATASET_ATTR_STALE; - node->dirty = 1; - header_prev = header; - } - } else - header_prev = header; - } else if (EXISTS(header)) { - /* - * We've found an extant rdataset. See if - * we're interested in it. - */ - if (header->type == dns_rdatatype_ns) { - found = header; - if (foundsig != NULL) - break; - } else if (header->type == - RBTDB_RDATATYPE_SIGNS) { - foundsig = header; - if (found != NULL) - break; - } - header_prev = header; - } else - header_prev = header; - } - - if (found != NULL) { - /* - * If we have to set foundname, we do it before - * anything else. If we were to set foundname after - * we had set nodep or bound the rdataset, then we'd - * have to undo that work if dns_name_concatenate() - * failed. By setting foundname first, there's - * nothing to undo if we have trouble. - */ - if (foundname != NULL) { - dns_name_init(&name, NULL); - dns_rbt_namefromnode(node, &name); - result = dns_name_copy(&name, foundname, NULL); - while (result == ISC_R_SUCCESS && i > 0) { - i--; - level_node = search->chain.levels[i]; - dns_name_init(&name, NULL); - dns_rbt_namefromnode(level_node, - &name); - result = - dns_name_concatenate(foundname, - &name, - foundname, - NULL); - } - if (result != ISC_R_SUCCESS) { - *nodep = NULL; - goto node_exit; - } - } - result = DNS_R_DELEGATION; - if (nodep != NULL) { - new_reference(search->rbtdb, node); - *nodep = node; - } - bind_rdataset(search->rbtdb, node, found, search->now, - rdataset); - if (foundsig != NULL) - bind_rdataset(search->rbtdb, node, foundsig, - search->now, sigrdataset); - if (need_headerupdate(found, search->now) || - (foundsig != NULL && - need_headerupdate(foundsig, search->now))) { - if (locktype != isc_rwlocktype_write) { - NODE_UNLOCK(lock, locktype); - NODE_LOCK(lock, isc_rwlocktype_write); - locktype = isc_rwlocktype_write; - } - if (need_headerupdate(found, search->now)) - update_header(search->rbtdb, found, - search->now); - if (foundsig != NULL && - need_headerupdate(foundsig, search->now)) { - update_header(search->rbtdb, foundsig, - search->now); - } - } - } - - node_exit: - NODE_UNLOCK(lock, locktype); - - if (found == NULL && i > 0) { - i--; - node = search->chain.levels[i]; - } else - done = ISC_TRUE; - - } while (!done); - - return (result); + unsigned int i; + dns_rbtnode_t *level_node; + rdatasetheader_t *header, *header_prev, *header_next; + rdatasetheader_t *found, *foundsig; + isc_result_t result = ISC_R_NOTFOUND; + dns_name_t name; + dns_rbtdb_t *rbtdb; + isc_boolean_t done; + nodelock_t *lock; + isc_rwlocktype_t locktype; + + /* + * Caller must be holding the tree lock. + */ + + rbtdb = search->rbtdb; + i = search->chain.level_matches; + done = ISC_FALSE; + do { + locktype = isc_rwlocktype_read; + lock = &rbtdb->node_locks[node->locknum].lock; + NODE_LOCK(lock, locktype); + + /* + * Look for NS and RRSIG NS rdatasets. + */ + found = NULL; + foundsig = NULL; + header_prev = NULL; + for (header = node->data; + header != NULL; + header = header_next) { + header_next = header->next; + if (header->rdh_ttl <= search->now) { + /* + * This rdataset is stale. If no one else is + * using the node, we can clean it up right + * now, otherwise we mark it as stale, and + * the node as dirty, so it will get cleaned + * up later. + */ + if ((header->rdh_ttl <= search->now - + RBTDB_VIRTUAL) && + (locktype == isc_rwlocktype_write || + NODE_TRYUPGRADE(lock) == ISC_R_SUCCESS)) { + /* + * We update the node's status only + * when we can get write access. + */ + locktype = isc_rwlocktype_write; + + if (dns_rbtnode_refcurrent(node) + == 0) { + isc_mem_t *m; + + m = search->rbtdb->common.mctx; + clean_stale_headers( + search->rbtdb, + m, header); + if (header_prev != NULL) + header_prev->next = + header->next; + else + node->data = + header->next; + free_rdataset(rbtdb, m, + header); + } else { + header->attributes |= + RDATASET_ATTR_STALE; + node->dirty = 1; + header_prev = header; + } + } else + header_prev = header; + } else if (EXISTS(header)) { + /* + * We've found an extant rdataset. See if + * we're interested in it. + */ + if (header->type == dns_rdatatype_ns) { + found = header; + if (foundsig != NULL) + break; + } else if (header->type == + RBTDB_RDATATYPE_SIGNS) { + foundsig = header; + if (found != NULL) + break; + } + header_prev = header; + } else + header_prev = header; + } + + if (found != NULL) { + /* + * If we have to set foundname, we do it before + * anything else. If we were to set foundname after + * we had set nodep or bound the rdataset, then we'd + * have to undo that work if dns_name_concatenate() + * failed. By setting foundname first, there's + * nothing to undo if we have trouble. + */ + if (foundname != NULL) { + dns_name_init(&name, NULL); + dns_rbt_namefromnode(node, &name); + result = dns_name_copy(&name, foundname, NULL); + while (result == ISC_R_SUCCESS && i > 0) { + i--; + level_node = search->chain.levels[i]; + dns_name_init(&name, NULL); + dns_rbt_namefromnode(level_node, + &name); + result = + dns_name_concatenate(foundname, + &name, + foundname, + NULL); + } + if (result != ISC_R_SUCCESS) { + *nodep = NULL; + goto node_exit; + } + } + result = DNS_R_DELEGATION; + if (nodep != NULL) { + new_reference(search->rbtdb, node); + *nodep = node; + } + bind_rdataset(search->rbtdb, node, found, search->now, + rdataset); + if (foundsig != NULL) + bind_rdataset(search->rbtdb, node, foundsig, + search->now, sigrdataset); + if (need_headerupdate(found, search->now) || + (foundsig != NULL && + need_headerupdate(foundsig, search->now))) { + if (locktype != isc_rwlocktype_write) { + NODE_UNLOCK(lock, locktype); + NODE_LOCK(lock, isc_rwlocktype_write); + locktype = isc_rwlocktype_write; + } + if (need_headerupdate(found, search->now)) + update_header(search->rbtdb, found, + search->now); + if (foundsig != NULL && + need_headerupdate(foundsig, search->now)) { + update_header(search->rbtdb, foundsig, + search->now); + } + } + } + + node_exit: + NODE_UNLOCK(lock, locktype); + + if (found == NULL && i > 0) { + i--; + node = search->chain.levels[i]; + } else + done = ISC_TRUE; + + } while (!done); + + return (result); } static isc_result_t find_coveringnsec(rbtdb_search_t *search, dns_dbnode_t **nodep, - isc_stdtime_t now, dns_name_t *foundname, - dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) + isc_stdtime_t now, dns_name_t *foundname, + dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) { - dns_rbtnode_t *node; - rdatasetheader_t *header, *header_next, *header_prev; - rdatasetheader_t *found, *foundsig; - isc_boolean_t empty_node; - isc_result_t result; - dns_fixedname_t fname, forigin; - dns_name_t *name, *origin; - rbtdb_rdatatype_t matchtype, sigmatchtype; - nodelock_t *lock; - isc_rwlocktype_t locktype; - - matchtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_nsec, 0); - sigmatchtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, - dns_rdatatype_nsec); - - do { - node = NULL; - dns_fixedname_init(&fname); - name = dns_fixedname_name(&fname); - dns_fixedname_init(&forigin); - origin = dns_fixedname_name(&forigin); - result = dns_rbtnodechain_current(&search->chain, name, - origin, &node); - if (result != ISC_R_SUCCESS) - return (result); - locktype = isc_rwlocktype_read; - lock = &(search->rbtdb->node_locks[node->locknum].lock); - NODE_LOCK(lock, locktype); - found = NULL; - foundsig = NULL; - empty_node = ISC_TRUE; - header_prev = NULL; - for (header = node->data; - header != NULL; - header = header_next) { - header_next = header->next; - if (header->rdh_ttl <= now) { - /* - * This rdataset is stale. If no one else is - * using the node, we can clean it up right - * now, otherwise we mark it as stale, and the - * node as dirty, so it will get cleaned up - * later. - */ - if ((header->rdh_ttl <= now - RBTDB_VIRTUAL) && - (locktype == isc_rwlocktype_write || - NODE_TRYUPGRADE(lock) == ISC_R_SUCCESS)) { - /* - * We update the node's status only - * when we can get write access. - */ - locktype = isc_rwlocktype_write; - - if (dns_rbtnode_refcurrent(node) - == 0) { - isc_mem_t *m; - - m = search->rbtdb->common.mctx; - clean_stale_headers( - search->rbtdb, - m, header); - if (header_prev != NULL) - header_prev->next = - header->next; - else - node->data = header->next; - free_rdataset(search->rbtdb, m, - header); - } else { - header->attributes |= - RDATASET_ATTR_STALE; - node->dirty = 1; - header_prev = header; - } - } else - header_prev = header; - continue; - } - if (NONEXISTENT(header) || - RBTDB_RDATATYPE_BASE(header->type) == 0) { - header_prev = header; - continue; - } - empty_node = ISC_FALSE; - if (header->type == matchtype) - found = header; - else if (header->type == sigmatchtype) - foundsig = header; - header_prev = header; - } - if (found != NULL) { - result = dns_name_concatenate(name, origin, - foundname, NULL); - if (result != ISC_R_SUCCESS) - goto unlock_node; - bind_rdataset(search->rbtdb, node, found, - now, rdataset); - if (foundsig != NULL) - bind_rdataset(search->rbtdb, node, foundsig, - now, sigrdataset); - new_reference(search->rbtdb, node); - *nodep = node; - result = DNS_R_COVERINGNSEC; - } else if (!empty_node) { - result = ISC_R_NOTFOUND; - } else - result = dns_rbtnodechain_prev(&search->chain, NULL, - NULL); + dns_rbtnode_t *node; + rdatasetheader_t *header, *header_next, *header_prev; + rdatasetheader_t *found, *foundsig; + isc_boolean_t empty_node; + isc_result_t result; + dns_fixedname_t fname, forigin; + dns_name_t *name, *origin; + rbtdb_rdatatype_t matchtype, sigmatchtype; + nodelock_t *lock; + isc_rwlocktype_t locktype; + + matchtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_nsec, 0); + sigmatchtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, + dns_rdatatype_nsec); + + do { + node = NULL; + dns_fixedname_init(&fname); + name = dns_fixedname_name(&fname); + dns_fixedname_init(&forigin); + origin = dns_fixedname_name(&forigin); + result = dns_rbtnodechain_current(&search->chain, name, + origin, &node); + if (result != ISC_R_SUCCESS) + return (result); + locktype = isc_rwlocktype_read; + lock = &(search->rbtdb->node_locks[node->locknum].lock); + NODE_LOCK(lock, locktype); + found = NULL; + foundsig = NULL; + empty_node = ISC_TRUE; + header_prev = NULL; + for (header = node->data; + header != NULL; + header = header_next) { + header_next = header->next; + if (header->rdh_ttl <= now) { + /* + * This rdataset is stale. If no one else is + * using the node, we can clean it up right + * now, otherwise we mark it as stale, and the + * node as dirty, so it will get cleaned up + * later. + */ + if ((header->rdh_ttl <= now - RBTDB_VIRTUAL) && + (locktype == isc_rwlocktype_write || + NODE_TRYUPGRADE(lock) == ISC_R_SUCCESS)) { + /* + * We update the node's status only + * when we can get write access. + */ + locktype = isc_rwlocktype_write; + + if (dns_rbtnode_refcurrent(node) + == 0) { + isc_mem_t *m; + + m = search->rbtdb->common.mctx; + clean_stale_headers( + search->rbtdb, + m, header); + if (header_prev != NULL) + header_prev->next = + header->next; + else + node->data = header->next; + free_rdataset(search->rbtdb, m, + header); + } else { + header->attributes |= + RDATASET_ATTR_STALE; + node->dirty = 1; + header_prev = header; + } + } else + header_prev = header; + continue; + } + if (NONEXISTENT(header) || + RBTDB_RDATATYPE_BASE(header->type) == 0) { + header_prev = header; + continue; + } + empty_node = ISC_FALSE; + if (header->type == matchtype) + found = header; + else if (header->type == sigmatchtype) + foundsig = header; + header_prev = header; + } + if (found != NULL) { + result = dns_name_concatenate(name, origin, + foundname, NULL); + if (result != ISC_R_SUCCESS) + goto unlock_node; + bind_rdataset(search->rbtdb, node, found, + now, rdataset); + if (foundsig != NULL) + bind_rdataset(search->rbtdb, node, foundsig, + now, sigrdataset); + new_reference(search->rbtdb, node); + *nodep = node; + result = DNS_R_COVERINGNSEC; + } else if (!empty_node) { + result = ISC_R_NOTFOUND; + } else + result = dns_rbtnodechain_prev(&search->chain, NULL, + NULL); unlock_node: - NODE_UNLOCK(lock, locktype); - } while (empty_node && result == ISC_R_SUCCESS); - return (result); + NODE_UNLOCK(lock, locktype); + } while (empty_node && result == ISC_R_SUCCESS); + return (result); } static isc_result_t cache_find(dns_db_t *db, dns_name_t *name, dns_dbversion_t *version, - dns_rdatatype_t type, unsigned int options, isc_stdtime_t now, - dns_dbnode_t **nodep, dns_name_t *foundname, - dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) + dns_rdatatype_t type, unsigned int options, isc_stdtime_t now, + dns_dbnode_t **nodep, dns_name_t *foundname, + dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) { - dns_rbtnode_t *node = NULL; - isc_result_t result; - rbtdb_search_t search; - isc_boolean_t cname_ok = ISC_TRUE; - isc_boolean_t empty_node; - nodelock_t *lock; - isc_rwlocktype_t locktype; - rdatasetheader_t *header, *header_prev, *header_next; - rdatasetheader_t *found, *nsheader; - rdatasetheader_t *foundsig, *nssig, *cnamesig; - rdatasetheader_t *update, *updatesig; - rbtdb_rdatatype_t sigtype, negtype; - - UNUSED(version); - - search.rbtdb = (dns_rbtdb_t *)db; - - REQUIRE(VALID_RBTDB(search.rbtdb)); - REQUIRE(version == NULL); - - if (now == 0) - isc_stdtime_get(&now); - - search.rbtversion = NULL; - search.serial = 1; - search.options = options; - search.copy_name = ISC_FALSE; - search.need_cleanup = ISC_FALSE; - search.wild = ISC_FALSE; - search.zonecut = NULL; - dns_fixedname_init(&search.zonecut_name); - dns_rbtnodechain_init(&search.chain, search.rbtdb->common.mctx); - search.now = now; - update = NULL; - updatesig = NULL; - - RWLOCK(&search.rbtdb->tree_lock, isc_rwlocktype_read); - - /* - * Search down from the root of the tree. If, while going down, we - * encounter a callback node, cache_zonecut_callback() will search the - * rdatasets at the zone cut for a DNAME rdataset. - */ - result = dns_rbt_findnode(search.rbtdb->tree, name, foundname, &node, - &search.chain, DNS_RBTFIND_EMPTYDATA, - cache_zonecut_callback, &search); - - if (result == DNS_R_PARTIALMATCH) { - if ((search.options & DNS_DBFIND_COVERINGNSEC) != 0) { - result = find_coveringnsec(&search, nodep, now, - foundname, rdataset, - sigrdataset); - if (result == DNS_R_COVERINGNSEC) - goto tree_exit; - } - if (search.zonecut != NULL) { - result = setup_delegation(&search, nodep, foundname, - rdataset, sigrdataset); - goto tree_exit; - } else { - find_ns: - result = find_deepest_zonecut(&search, node, nodep, - foundname, rdataset, - sigrdataset); - goto tree_exit; - } - } else if (result != ISC_R_SUCCESS) - goto tree_exit; - - /* - * Certain DNSSEC types are not subject to CNAME matching - * (RFC4035, section 2.5 and RFC3007). - * - * We don't check for RRSIG, because we don't store RRSIG records - * directly. - */ - if (type == dns_rdatatype_key || type == dns_rdatatype_nsec) - cname_ok = ISC_FALSE; - - /* - * We now go looking for rdata... - */ - - lock = &(search.rbtdb->node_locks[node->locknum].lock); - locktype = isc_rwlocktype_read; - NODE_LOCK(lock, locktype); - - found = NULL; - foundsig = NULL; - sigtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, type); - negtype = RBTDB_RDATATYPE_VALUE(0, type); - nsheader = NULL; - nssig = NULL; - cnamesig = NULL; - empty_node = ISC_TRUE; - header_prev = NULL; - for (header = node->data; header != NULL; header = header_next) { - header_next = header->next; - if (header->rdh_ttl <= now) { - /* - * This rdataset is stale. If no one else is using the - * node, we can clean it up right now, otherwise we - * mark it as stale, and the node as dirty, so it will - * get cleaned up later. - */ - if ((header->rdh_ttl <= now - RBTDB_VIRTUAL) && - (locktype == isc_rwlocktype_write || - NODE_TRYUPGRADE(lock) == ISC_R_SUCCESS)) { - /* - * We update the node's status only when we - * can get write access. - */ - locktype = isc_rwlocktype_write; - - if (dns_rbtnode_refcurrent(node) == 0) { - isc_mem_t *mctx; - - mctx = search.rbtdb->common.mctx; - clean_stale_headers(search.rbtdb, mctx, - header); - if (header_prev != NULL) - header_prev->next = - header->next; - else - node->data = header->next; - free_rdataset(search.rbtdb, mctx, - header); - } else { - header->attributes |= - RDATASET_ATTR_STALE; - node->dirty = 1; - header_prev = header; - } - } else - header_prev = header; - } else if (EXISTS(header)) { - /* - * We now know that there is at least one active - * non-stale rdataset at this node. - */ - empty_node = ISC_FALSE; - - /* - * If we found a type we were looking for, remember - * it. - */ - if (header->type == type || - (type == dns_rdatatype_any && - RBTDB_RDATATYPE_BASE(header->type) != 0) || - (cname_ok && header->type == - dns_rdatatype_cname)) { - /* - * We've found the answer. - */ - found = header; - if (header->type == dns_rdatatype_cname && - cname_ok && - cnamesig != NULL) { - /* - * If we've already got the CNAME RRSIG, - * use it, otherwise change sigtype - * so that we find it. - */ - if (cnamesig != NULL) - foundsig = cnamesig; - else - sigtype = - RBTDB_RDATATYPE_SIGCNAME; - foundsig = cnamesig; - } - } else if (header->type == sigtype) { - /* - * We've found the RRSIG rdataset for our - * target type. Remember it. - */ - foundsig = header; - } else if (header->type == RBTDB_RDATATYPE_NCACHEANY || - header->type == negtype) { - /* - * We've found a negative cache entry. - */ - found = header; - } else if (header->type == dns_rdatatype_ns) { - /* - * Remember a NS rdataset even if we're - * not specifically looking for it, because - * we might need it later. - */ - nsheader = header; - } else if (header->type == RBTDB_RDATATYPE_SIGNS) { - /* - * If we need the NS rdataset, we'll also - * need its signature. - */ - nssig = header; - } else if (cname_ok && - header->type == RBTDB_RDATATYPE_SIGCNAME) { - /* - * If we get a CNAME match, we'll also need - * its signature. - */ - cnamesig = header; - } - header_prev = header; - } else - header_prev = header; - } - - if (empty_node) { - /* - * We have an exact match for the name, but there are no - * extant rdatasets. That means that this node doesn't - * meaningfully exist, and that we really have a partial match. - */ - NODE_UNLOCK(lock, locktype); - goto find_ns; - } - - /* - * If we didn't find what we were looking for... - */ - if (found == NULL || - (found->trust == dns_trust_glue && - ((options & DNS_DBFIND_GLUEOK) == 0)) || - (found->trust == dns_trust_pending && - ((options & DNS_DBFIND_PENDINGOK) == 0))) { - /* - * If there is an NS rdataset at this node, then this is the - * deepest zone cut. - */ - if (nsheader != NULL) { - if (nodep != NULL) { - new_reference(search.rbtdb, node); - *nodep = node; - } - bind_rdataset(search.rbtdb, node, nsheader, search.now, - rdataset); - if (need_headerupdate(nsheader, search.now)) - update = nsheader; - if (nssig != NULL) { - bind_rdataset(search.rbtdb, node, nssig, - search.now, sigrdataset); - if (need_headerupdate(nssig, search.now)) - updatesig = nssig; - } - result = DNS_R_DELEGATION; - goto node_exit; - } - - /* - * Go find the deepest zone cut. - */ - NODE_UNLOCK(lock, locktype); - goto find_ns; - } - - /* - * We found what we were looking for, or we found a CNAME. - */ - - if (nodep != NULL) { - new_reference(search.rbtdb, node); - *nodep = node; - } - - if (RBTDB_RDATATYPE_BASE(found->type) == 0) { - /* - * We found a negative cache entry. - */ - if (NXDOMAIN(found)) - result = DNS_R_NCACHENXDOMAIN; - else - result = DNS_R_NCACHENXRRSET; - } else if (type != found->type && - type != dns_rdatatype_any && - found->type == dns_rdatatype_cname) { - /* - * We weren't doing an ANY query and we found a CNAME instead - * of the type we were looking for, so we need to indicate - * that result to the caller. - */ - result = DNS_R_CNAME; - } else { - /* - * An ordinary successful query! - */ - result = ISC_R_SUCCESS; - } - - if (type != dns_rdatatype_any || result == DNS_R_NCACHENXDOMAIN || - result == DNS_R_NCACHENXRRSET) { - bind_rdataset(search.rbtdb, node, found, search.now, - rdataset); - if (need_headerupdate(found, search.now)) - update = found; - if (foundsig != NULL) { - bind_rdataset(search.rbtdb, node, foundsig, search.now, - sigrdataset); - if (need_headerupdate(foundsig, search.now)) - updatesig = foundsig; - } - } + dns_rbtnode_t *node = NULL; + isc_result_t result; + rbtdb_search_t search; + isc_boolean_t cname_ok = ISC_TRUE; + isc_boolean_t empty_node; + nodelock_t *lock; + isc_rwlocktype_t locktype; + rdatasetheader_t *header, *header_prev, *header_next; + rdatasetheader_t *found, *nsheader; + rdatasetheader_t *foundsig, *nssig, *cnamesig; + rdatasetheader_t *update, *updatesig; + rbtdb_rdatatype_t sigtype, negtype; + + UNUSED(version); + + search.rbtdb = (dns_rbtdb_t *)db; + + REQUIRE(VALID_RBTDB(search.rbtdb)); + REQUIRE(version == NULL); + + if (now == 0) + isc_stdtime_get(&now); + + search.rbtversion = NULL; + search.serial = 1; + search.options = options; + search.copy_name = ISC_FALSE; + search.need_cleanup = ISC_FALSE; + search.wild = ISC_FALSE; + search.zonecut = NULL; + dns_fixedname_init(&search.zonecut_name); + dns_rbtnodechain_init(&search.chain, search.rbtdb->common.mctx); + search.now = now; + update = NULL; + updatesig = NULL; + + RWLOCK(&search.rbtdb->tree_lock, isc_rwlocktype_read); + + /* + * Search down from the root of the tree. If, while going down, we + * encounter a callback node, cache_zonecut_callback() will search the + * rdatasets at the zone cut for a DNAME rdataset. + */ + result = dns_rbt_findnode(search.rbtdb->tree, name, foundname, &node, + &search.chain, DNS_RBTFIND_EMPTYDATA, + cache_zonecut_callback, &search); + + if (result == DNS_R_PARTIALMATCH) { + if ((search.options & DNS_DBFIND_COVERINGNSEC) != 0) { + result = find_coveringnsec(&search, nodep, now, + foundname, rdataset, + sigrdataset); + if (result == DNS_R_COVERINGNSEC) + goto tree_exit; + } + if (search.zonecut != NULL) { + result = setup_delegation(&search, nodep, foundname, + rdataset, sigrdataset); + goto tree_exit; + } else { + find_ns: + result = find_deepest_zonecut(&search, node, nodep, + foundname, rdataset, + sigrdataset); + goto tree_exit; + } + } else if (result != ISC_R_SUCCESS) + goto tree_exit; + + /* + * Certain DNSSEC types are not subject to CNAME matching + * (RFC4035, section 2.5 and RFC3007). + * + * We don't check for RRSIG, because we don't store RRSIG records + * directly. + */ + if (type == dns_rdatatype_key || type == dns_rdatatype_nsec) + cname_ok = ISC_FALSE; + + /* + * We now go looking for rdata... + */ + + lock = &(search.rbtdb->node_locks[node->locknum].lock); + locktype = isc_rwlocktype_read; + NODE_LOCK(lock, locktype); + + found = NULL; + foundsig = NULL; + sigtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, type); + negtype = RBTDB_RDATATYPE_VALUE(0, type); + nsheader = NULL; + nssig = NULL; + cnamesig = NULL; + empty_node = ISC_TRUE; + header_prev = NULL; + for (header = node->data; header != NULL; header = header_next) { + header_next = header->next; + if (header->rdh_ttl <= now) { + /* + * This rdataset is stale. If no one else is using the + * node, we can clean it up right now, otherwise we + * mark it as stale, and the node as dirty, so it will + * get cleaned up later. + */ + if ((header->rdh_ttl <= now - RBTDB_VIRTUAL) && + (locktype == isc_rwlocktype_write || + NODE_TRYUPGRADE(lock) == ISC_R_SUCCESS)) { + /* + * We update the node's status only when we + * can get write access. + */ + locktype = isc_rwlocktype_write; + + if (dns_rbtnode_refcurrent(node) == 0) { + isc_mem_t *mctx; + + mctx = search.rbtdb->common.mctx; + clean_stale_headers(search.rbtdb, mctx, + header); + if (header_prev != NULL) + header_prev->next = + header->next; + else + node->data = header->next; + free_rdataset(search.rbtdb, mctx, + header); + } else { + header->attributes |= + RDATASET_ATTR_STALE; + node->dirty = 1; + header_prev = header; + } + } else + header_prev = header; + } else if (EXISTS(header)) { + /* + * We now know that there is at least one active + * non-stale rdataset at this node. + */ + empty_node = ISC_FALSE; + + /* + * If we found a type we were looking for, remember + * it. + */ + if (header->type == type || + (type == dns_rdatatype_any && + RBTDB_RDATATYPE_BASE(header->type) != 0) || + (cname_ok && header->type == + dns_rdatatype_cname)) { + /* + * We've found the answer. + */ + found = header; + if (header->type == dns_rdatatype_cname && + cname_ok && + cnamesig != NULL) { + /* + * If we've already got the CNAME RRSIG, + * use it, otherwise change sigtype + * so that we find it. + */ + if (cnamesig != NULL) + foundsig = cnamesig; + else + sigtype = + RBTDB_RDATATYPE_SIGCNAME; + foundsig = cnamesig; + } + } else if (header->type == sigtype) { + /* + * We've found the RRSIG rdataset for our + * target type. Remember it. + */ + foundsig = header; + } else if (header->type == RBTDB_RDATATYPE_NCACHEANY || + header->type == negtype) { + /* + * We've found a negative cache entry. + */ + found = header; + } else if (header->type == dns_rdatatype_ns) { + /* + * Remember a NS rdataset even if we're + * not specifically looking for it, because + * we might need it later. + */ + nsheader = header; + } else if (header->type == RBTDB_RDATATYPE_SIGNS) { + /* + * If we need the NS rdataset, we'll also + * need its signature. + */ + nssig = header; + } else if (cname_ok && + header->type == RBTDB_RDATATYPE_SIGCNAME) { + /* + * If we get a CNAME match, we'll also need + * its signature. + */ + cnamesig = header; + } + header_prev = header; + } else + header_prev = header; + } + + if (empty_node) { + /* + * We have an exact match for the name, but there are no + * extant rdatasets. That means that this node doesn't + * meaningfully exist, and that we really have a partial match. + */ + NODE_UNLOCK(lock, locktype); + goto find_ns; + } + + /* + * If we didn't find what we were looking for... + */ + if (found == NULL || + (found->trust == dns_trust_glue && + ((options & DNS_DBFIND_GLUEOK) == 0)) || + (found->trust == dns_trust_pending && + ((options & DNS_DBFIND_PENDINGOK) == 0))) { + /* + * If there is an NS rdataset at this node, then this is the + * deepest zone cut. + */ + if (nsheader != NULL) { + if (nodep != NULL) { + new_reference(search.rbtdb, node); + *nodep = node; + } + bind_rdataset(search.rbtdb, node, nsheader, search.now, + rdataset); + if (need_headerupdate(nsheader, search.now)) + update = nsheader; + if (nssig != NULL) { + bind_rdataset(search.rbtdb, node, nssig, + search.now, sigrdataset); + if (need_headerupdate(nssig, search.now)) + updatesig = nssig; + } + result = DNS_R_DELEGATION; + goto node_exit; + } + + /* + * Go find the deepest zone cut. + */ + NODE_UNLOCK(lock, locktype); + goto find_ns; + } + + /* + * We found what we were looking for, or we found a CNAME. + */ + + if (nodep != NULL) { + new_reference(search.rbtdb, node); + *nodep = node; + } + + if (RBTDB_RDATATYPE_BASE(found->type) == 0) { + /* + * We found a negative cache entry. + */ + if (NXDOMAIN(found)) + result = DNS_R_NCACHENXDOMAIN; + else + result = DNS_R_NCACHENXRRSET; + } else if (type != found->type && + type != dns_rdatatype_any && + found->type == dns_rdatatype_cname) { + /* + * We weren't doing an ANY query and we found a CNAME instead + * of the type we were looking for, so we need to indicate + * that result to the caller. + */ + result = DNS_R_CNAME; + } else { + /* + * An ordinary successful query! + */ + result = ISC_R_SUCCESS; + } + + if (type != dns_rdatatype_any || result == DNS_R_NCACHENXDOMAIN || + result == DNS_R_NCACHENXRRSET) { + bind_rdataset(search.rbtdb, node, found, search.now, + rdataset); + if (need_headerupdate(found, search.now)) + update = found; + if (foundsig != NULL) { + bind_rdataset(search.rbtdb, node, foundsig, search.now, + sigrdataset); + if (need_headerupdate(foundsig, search.now)) + updatesig = foundsig; + } + } node_exit: - if ((update != NULL || updatesig != NULL) && - locktype != isc_rwlocktype_write) { - NODE_UNLOCK(lock, locktype); - NODE_LOCK(lock, isc_rwlocktype_write); - locktype = isc_rwlocktype_write; - } - if (update != NULL && need_headerupdate(update, search.now)) - update_header(search.rbtdb, update, search.now); - if (updatesig != NULL && need_headerupdate(updatesig, search.now)) - update_header(search.rbtdb, updatesig, search.now); - - NODE_UNLOCK(lock, locktype); + if ((update != NULL || updatesig != NULL) && + locktype != isc_rwlocktype_write) { + NODE_UNLOCK(lock, locktype); + NODE_LOCK(lock, isc_rwlocktype_write); + locktype = isc_rwlocktype_write; + } + if (update != NULL && need_headerupdate(update, search.now)) + update_header(search.rbtdb, update, search.now); + if (updatesig != NULL && need_headerupdate(updatesig, search.now)) + update_header(search.rbtdb, updatesig, search.now); + + NODE_UNLOCK(lock, locktype); tree_exit: - RWUNLOCK(&search.rbtdb->tree_lock, isc_rwlocktype_read); + RWUNLOCK(&search.rbtdb->tree_lock, isc_rwlocktype_read); - /* - * If we found a zonecut but aren't going to use it, we have to - * let go of it. - */ - if (search.need_cleanup) { - node = search.zonecut; - lock = &(search.rbtdb->node_locks[node->locknum].lock); + /* + * If we found a zonecut but aren't going to use it, we have to + * let go of it. + */ + if (search.need_cleanup) { + node = search.zonecut; + lock = &(search.rbtdb->node_locks[node->locknum].lock); - NODE_LOCK(lock, isc_rwlocktype_read); - decrement_reference(search.rbtdb, node, 0, - isc_rwlocktype_read, isc_rwlocktype_none); - NODE_UNLOCK(lock, isc_rwlocktype_read); - } + NODE_LOCK(lock, isc_rwlocktype_read); + decrement_reference(search.rbtdb, node, 0, + isc_rwlocktype_read, isc_rwlocktype_none); + NODE_UNLOCK(lock, isc_rwlocktype_read); + } - dns_rbtnodechain_reset(&search.chain); + dns_rbtnodechain_reset(&search.chain); - return (result); + return (result); } static isc_result_t cache_findzonecut(dns_db_t *db, dns_name_t *name, unsigned int options, - isc_stdtime_t now, dns_dbnode_t **nodep, - dns_name_t *foundname, - dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) + isc_stdtime_t now, dns_dbnode_t **nodep, + dns_name_t *foundname, + dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) { - dns_rbtnode_t *node = NULL; - nodelock_t *lock; - isc_result_t result; - rbtdb_search_t search; - rdatasetheader_t *header, *header_prev, *header_next; - rdatasetheader_t *found, *foundsig; - unsigned int rbtoptions = DNS_RBTFIND_EMPTYDATA; - isc_rwlocktype_t locktype; - - search.rbtdb = (dns_rbtdb_t *)db; - - REQUIRE(VALID_RBTDB(search.rbtdb)); - - if (now == 0) - isc_stdtime_get(&now); - - search.rbtversion = NULL; - search.serial = 1; - search.options = options; - search.copy_name = ISC_FALSE; - search.need_cleanup = ISC_FALSE; - search.wild = ISC_FALSE; - search.zonecut = NULL; - dns_fixedname_init(&search.zonecut_name); - dns_rbtnodechain_init(&search.chain, search.rbtdb->common.mctx); - search.now = now; - - if ((options & DNS_DBFIND_NOEXACT) != 0) - rbtoptions |= DNS_RBTFIND_NOEXACT; - - RWLOCK(&search.rbtdb->tree_lock, isc_rwlocktype_read); - - /* - * Search down from the root of the tree. - */ - result = dns_rbt_findnode(search.rbtdb->tree, name, foundname, &node, - &search.chain, rbtoptions, NULL, &search); - - if (result == DNS_R_PARTIALMATCH) { - find_ns: - result = find_deepest_zonecut(&search, node, nodep, foundname, - rdataset, sigrdataset); - goto tree_exit; - } else if (result != ISC_R_SUCCESS) - goto tree_exit; - - /* - * We now go looking for an NS rdataset at the node. - */ - - lock = &(search.rbtdb->node_locks[node->locknum].lock); - locktype = isc_rwlocktype_read; - NODE_LOCK(lock, locktype); - - found = NULL; - foundsig = NULL; - header_prev = NULL; - for (header = node->data; header != NULL; header = header_next) { - header_next = header->next; - if (header->rdh_ttl <= now) { - /* - * This rdataset is stale. If no one else is using the - * node, we can clean it up right now, otherwise we - * mark it as stale, and the node as dirty, so it will - * get cleaned up later. - */ - if ((header->rdh_ttl <= now - RBTDB_VIRTUAL) && - (locktype == isc_rwlocktype_write || - NODE_TRYUPGRADE(lock) == ISC_R_SUCCESS)) { - /* - * We update the node's status only when we - * can get write access. - */ - locktype = isc_rwlocktype_write; - - if (dns_rbtnode_refcurrent(node) == 0) { - isc_mem_t *mctx; - - mctx = search.rbtdb->common.mctx; - clean_stale_headers(search.rbtdb, mctx, - header); - if (header_prev != NULL) - header_prev->next = - header->next; - else - node->data = header->next; - free_rdataset(search.rbtdb, mctx, - header); - } else { - header->attributes |= - RDATASET_ATTR_STALE; - node->dirty = 1; - header_prev = header; - } - } else - header_prev = header; - } else if (EXISTS(header)) { - /* - * If we found a type we were looking for, remember - * it. - */ - if (header->type == dns_rdatatype_ns) { - /* - * Remember a NS rdataset even if we're - * not specifically looking for it, because - * we might need it later. - */ - found = header; - } else if (header->type == RBTDB_RDATATYPE_SIGNS) { - /* - * If we need the NS rdataset, we'll also - * need its signature. - */ - foundsig = header; - } - header_prev = header; - } else - header_prev = header; - } - - if (found == NULL) { - /* - * No NS records here. - */ - NODE_UNLOCK(lock, locktype); - goto find_ns; - } - - if (nodep != NULL) { - new_reference(search.rbtdb, node); - *nodep = node; - } - - bind_rdataset(search.rbtdb, node, found, search.now, rdataset); - if (foundsig != NULL) - bind_rdataset(search.rbtdb, node, foundsig, search.now, - sigrdataset); - - if (need_headerupdate(found, search.now) || - (foundsig != NULL && need_headerupdate(foundsig, search.now))) { - if (locktype != isc_rwlocktype_write) { - NODE_UNLOCK(lock, locktype); - NODE_LOCK(lock, isc_rwlocktype_write); - locktype = isc_rwlocktype_write; - } - if (need_headerupdate(found, search.now)) - update_header(search.rbtdb, found, search.now); - if (foundsig != NULL && - need_headerupdate(foundsig, search.now)) { - update_header(search.rbtdb, foundsig, search.now); - } - } - - NODE_UNLOCK(lock, locktype); + dns_rbtnode_t *node = NULL; + nodelock_t *lock; + isc_result_t result; + rbtdb_search_t search; + rdatasetheader_t *header, *header_prev, *header_next; + rdatasetheader_t *found, *foundsig; + unsigned int rbtoptions = DNS_RBTFIND_EMPTYDATA; + isc_rwlocktype_t locktype; + + search.rbtdb = (dns_rbtdb_t *)db; + + REQUIRE(VALID_RBTDB(search.rbtdb)); + + if (now == 0) + isc_stdtime_get(&now); + + search.rbtversion = NULL; + search.serial = 1; + search.options = options; + search.copy_name = ISC_FALSE; + search.need_cleanup = ISC_FALSE; + search.wild = ISC_FALSE; + search.zonecut = NULL; + dns_fixedname_init(&search.zonecut_name); + dns_rbtnodechain_init(&search.chain, search.rbtdb->common.mctx); + search.now = now; + + if ((options & DNS_DBFIND_NOEXACT) != 0) + rbtoptions |= DNS_RBTFIND_NOEXACT; + + RWLOCK(&search.rbtdb->tree_lock, isc_rwlocktype_read); + + /* + * Search down from the root of the tree. + */ + result = dns_rbt_findnode(search.rbtdb->tree, name, foundname, &node, + &search.chain, rbtoptions, NULL, &search); + + if (result == DNS_R_PARTIALMATCH) { + find_ns: + result = find_deepest_zonecut(&search, node, nodep, foundname, + rdataset, sigrdataset); + goto tree_exit; + } else if (result != ISC_R_SUCCESS) + goto tree_exit; + + /* + * We now go looking for an NS rdataset at the node. + */ + + lock = &(search.rbtdb->node_locks[node->locknum].lock); + locktype = isc_rwlocktype_read; + NODE_LOCK(lock, locktype); + + found = NULL; + foundsig = NULL; + header_prev = NULL; + for (header = node->data; header != NULL; header = header_next) { + header_next = header->next; + if (header->rdh_ttl <= now) { + /* + * This rdataset is stale. If no one else is using the + * node, we can clean it up right now, otherwise we + * mark it as stale, and the node as dirty, so it will + * get cleaned up later. + */ + if ((header->rdh_ttl <= now - RBTDB_VIRTUAL) && + (locktype == isc_rwlocktype_write || + NODE_TRYUPGRADE(lock) == ISC_R_SUCCESS)) { + /* + * We update the node's status only when we + * can get write access. + */ + locktype = isc_rwlocktype_write; + + if (dns_rbtnode_refcurrent(node) == 0) { + isc_mem_t *mctx; + + mctx = search.rbtdb->common.mctx; + clean_stale_headers(search.rbtdb, mctx, + header); + if (header_prev != NULL) + header_prev->next = + header->next; + else + node->data = header->next; + free_rdataset(search.rbtdb, mctx, + header); + } else { + header->attributes |= + RDATASET_ATTR_STALE; + node->dirty = 1; + header_prev = header; + } + } else + header_prev = header; + } else if (EXISTS(header)) { + /* + * If we found a type we were looking for, remember + * it. + */ + if (header->type == dns_rdatatype_ns) { + /* + * Remember a NS rdataset even if we're + * not specifically looking for it, because + * we might need it later. + */ + found = header; + } else if (header->type == RBTDB_RDATATYPE_SIGNS) { + /* + * If we need the NS rdataset, we'll also + * need its signature. + */ + foundsig = header; + } + header_prev = header; + } else + header_prev = header; + } + + if (found == NULL) { + /* + * No NS records here. + */ + NODE_UNLOCK(lock, locktype); + goto find_ns; + } + + if (nodep != NULL) { + new_reference(search.rbtdb, node); + *nodep = node; + } + + bind_rdataset(search.rbtdb, node, found, search.now, rdataset); + if (foundsig != NULL) + bind_rdataset(search.rbtdb, node, foundsig, search.now, + sigrdataset); + + if (need_headerupdate(found, search.now) || + (foundsig != NULL && need_headerupdate(foundsig, search.now))) { + if (locktype != isc_rwlocktype_write) { + NODE_UNLOCK(lock, locktype); + NODE_LOCK(lock, isc_rwlocktype_write); + locktype = isc_rwlocktype_write; + } + if (need_headerupdate(found, search.now)) + update_header(search.rbtdb, found, search.now); + if (foundsig != NULL && + need_headerupdate(foundsig, search.now)) { + update_header(search.rbtdb, foundsig, search.now); + } + } + + NODE_UNLOCK(lock, locktype); tree_exit: - RWUNLOCK(&search.rbtdb->tree_lock, isc_rwlocktype_read); + RWUNLOCK(&search.rbtdb->tree_lock, isc_rwlocktype_read); - INSIST(!search.need_cleanup); + INSIST(!search.need_cleanup); - dns_rbtnodechain_reset(&search.chain); + dns_rbtnodechain_reset(&search.chain); - if (result == DNS_R_DELEGATION) - result = ISC_R_SUCCESS; + if (result == DNS_R_DELEGATION) + result = ISC_R_SUCCESS; - return (result); + return (result); } static void attachnode(dns_db_t *db, dns_dbnode_t *source, dns_dbnode_t **targetp) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - dns_rbtnode_t *node = (dns_rbtnode_t *)source; - unsigned int refs; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + dns_rbtnode_t *node = (dns_rbtnode_t *)source; + unsigned int refs; - REQUIRE(VALID_RBTDB(rbtdb)); - REQUIRE(targetp != NULL && *targetp == NULL); + REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(targetp != NULL && *targetp == NULL); - NODE_STRONGLOCK(&rbtdb->node_locks[node->locknum].lock); - dns_rbtnode_refincrement(node, &refs); - INSIST(refs != 0); - NODE_STRONGUNLOCK(&rbtdb->node_locks[node->locknum].lock); + NODE_STRONGLOCK(&rbtdb->node_locks[node->locknum].lock); + dns_rbtnode_refincrement(node, &refs); + INSIST(refs != 0); + NODE_STRONGUNLOCK(&rbtdb->node_locks[node->locknum].lock); - *targetp = source; + *targetp = source; } static void detachnode(dns_db_t *db, dns_dbnode_t **targetp) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - dns_rbtnode_t *node; - isc_boolean_t want_free = ISC_FALSE; - isc_boolean_t inactive = ISC_FALSE; - rbtdb_nodelock_t *nodelock; - - REQUIRE(VALID_RBTDB(rbtdb)); - REQUIRE(targetp != NULL && *targetp != NULL); - - node = (dns_rbtnode_t *)(*targetp); - nodelock = &rbtdb->node_locks[node->locknum]; - - NODE_LOCK(&nodelock->lock, isc_rwlocktype_read); - - if (decrement_reference(rbtdb, node, 0, isc_rwlocktype_read, - isc_rwlocktype_none)) { - if (isc_refcount_current(&nodelock->references) == 0 && - nodelock->exiting) { - inactive = ISC_TRUE; - } - } - - NODE_UNLOCK(&nodelock->lock, isc_rwlocktype_read); - - *targetp = NULL; - - if (inactive) { - RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); - rbtdb->active--; - if (rbtdb->active == 0) - want_free = ISC_TRUE; - RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); - if (want_free) { - char buf[DNS_NAME_FORMATSIZE]; - if (dns_name_dynamic(&rbtdb->common.origin)) - dns_name_format(&rbtdb->common.origin, buf, - sizeof(buf)); - else - strcpy(buf, "<UNKNOWN>"); - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_CACHE, ISC_LOG_DEBUG(1), - "calling free_rbtdb(%s)", buf); - free_rbtdb(rbtdb, ISC_TRUE, NULL); - } - } + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + dns_rbtnode_t *node; + isc_boolean_t want_free = ISC_FALSE; + isc_boolean_t inactive = ISC_FALSE; + rbtdb_nodelock_t *nodelock; + + REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(targetp != NULL && *targetp != NULL); + + node = (dns_rbtnode_t *)(*targetp); + nodelock = &rbtdb->node_locks[node->locknum]; + + NODE_LOCK(&nodelock->lock, isc_rwlocktype_read); + + if (decrement_reference(rbtdb, node, 0, isc_rwlocktype_read, + isc_rwlocktype_none)) { + if (isc_refcount_current(&nodelock->references) == 0 && + nodelock->exiting) { + inactive = ISC_TRUE; + } + } + + NODE_UNLOCK(&nodelock->lock, isc_rwlocktype_read); + + *targetp = NULL; + + if (inactive) { + RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); + rbtdb->active--; + if (rbtdb->active == 0) + want_free = ISC_TRUE; + RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); + if (want_free) { + char buf[DNS_NAME_FORMATSIZE]; + if (dns_name_dynamic(&rbtdb->common.origin)) + dns_name_format(&rbtdb->common.origin, buf, + sizeof(buf)); + else + strcpy(buf, "<UNKNOWN>"); + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE, ISC_LOG_DEBUG(1), + "calling free_rbtdb(%s)", buf); + free_rbtdb(rbtdb, ISC_TRUE, NULL); + } + } } static isc_result_t expirenode(dns_db_t *db, dns_dbnode_t *node, isc_stdtime_t now) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - dns_rbtnode_t *rbtnode = node; - rdatasetheader_t *header; - isc_boolean_t force_expire = ISC_FALSE; - /* - * These are the category and module used by the cache cleaner. - */ - isc_boolean_t log = ISC_FALSE; - isc_logcategory_t *category = DNS_LOGCATEGORY_DATABASE; - isc_logmodule_t *module = DNS_LOGMODULE_CACHE; - int level = ISC_LOG_DEBUG(2); - char printname[DNS_NAME_FORMATSIZE]; - - REQUIRE(VALID_RBTDB(rbtdb)); - - /* - * Caller must hold a tree lock. - */ - - if (now == 0) - isc_stdtime_get(&now); - - if (rbtdb->overmem) { - isc_uint32_t val; - - isc_random_get(&val); - /* - * XXXDCL Could stand to have a better policy, like LRU. - */ - force_expire = ISC_TF(rbtnode->down == NULL && val % 4 == 0); - - /* - * Note that 'log' can be true IFF rbtdb->overmem is also true. - * rbtdb->ovemem can currently only be true for cache databases - * -- hence all of the "overmem cache" log strings. - */ - log = ISC_TF(isc_log_wouldlog(dns_lctx, level)); - if (log) - isc_log_write(dns_lctx, category, module, level, - "overmem cache: %s %s", - force_expire ? "FORCE" : "check", - dns_rbt_formatnodename(rbtnode, - printname, - sizeof(printname))); - } - - /* - * We may not need write access, but this code path is not performance - * sensitive, so it should be okay to always lock as a writer. - */ - NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_write); - - for (header = rbtnode->data; header != NULL; header = header->next) - if (header->rdh_ttl <= now - RBTDB_VIRTUAL) { - /* - * We don't check if refcurrent(rbtnode) == 0 and try - * to free like we do in cache_find(), because - * refcurrent(rbtnode) must be non-zero. This is so - * because 'node' is an argument to the function. - */ - header->attributes |= RDATASET_ATTR_STALE; - rbtnode->dirty = 1; - if (log) - isc_log_write(dns_lctx, category, module, - level, "overmem cache: stale %s", - printname); - } else if (force_expire) { - if (! RETAIN(header)) { - set_ttl(rbtdb, header, 0); - header->attributes |= RDATASET_ATTR_STALE; - rbtnode->dirty = 1; - } else if (log) { - isc_log_write(dns_lctx, category, module, - level, "overmem cache: " - "reprieve by RETAIN() %s", - printname); - } - } else if (rbtdb->overmem && log) - isc_log_write(dns_lctx, category, module, level, - "overmem cache: saved %s", printname); - - NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_write); - - return (ISC_R_SUCCESS); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + dns_rbtnode_t *rbtnode = node; + rdatasetheader_t *header; + isc_boolean_t force_expire = ISC_FALSE; + /* + * These are the category and module used by the cache cleaner. + */ + isc_boolean_t log = ISC_FALSE; + isc_logcategory_t *category = DNS_LOGCATEGORY_DATABASE; + isc_logmodule_t *module = DNS_LOGMODULE_CACHE; + int level = ISC_LOG_DEBUG(2); + char printname[DNS_NAME_FORMATSIZE]; + + REQUIRE(VALID_RBTDB(rbtdb)); + + /* + * Caller must hold a tree lock. + */ + + if (now == 0) + isc_stdtime_get(&now); + + if (rbtdb->overmem) { + isc_uint32_t val; + + isc_random_get(&val); + /* + * XXXDCL Could stand to have a better policy, like LRU. + */ + force_expire = ISC_TF(rbtnode->down == NULL && val % 4 == 0); + + /* + * Note that 'log' can be true IFF rbtdb->overmem is also true. + * rbtdb->ovemem can currently only be true for cache databases + * -- hence all of the "overmem cache" log strings. + */ + log = ISC_TF(isc_log_wouldlog(dns_lctx, level)); + if (log) + isc_log_write(dns_lctx, category, module, level, + "overmem cache: %s %s", + force_expire ? "FORCE" : "check", + dns_rbt_formatnodename(rbtnode, + printname, + sizeof(printname))); + } + + /* + * We may not need write access, but this code path is not performance + * sensitive, so it should be okay to always lock as a writer. + */ + NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_write); + + for (header = rbtnode->data; header != NULL; header = header->next) + if (header->rdh_ttl <= now - RBTDB_VIRTUAL) { + /* + * We don't check if refcurrent(rbtnode) == 0 and try + * to free like we do in cache_find(), because + * refcurrent(rbtnode) must be non-zero. This is so + * because 'node' is an argument to the function. + */ + header->attributes |= RDATASET_ATTR_STALE; + rbtnode->dirty = 1; + if (log) + isc_log_write(dns_lctx, category, module, + level, "overmem cache: stale %s", + printname); + } else if (force_expire) { + if (! RETAIN(header)) { + set_ttl(rbtdb, header, 0); + header->attributes |= RDATASET_ATTR_STALE; + rbtnode->dirty = 1; + } else if (log) { + isc_log_write(dns_lctx, category, module, + level, "overmem cache: " + "reprieve by RETAIN() %s", + printname); + } + } else if (rbtdb->overmem && log) + isc_log_write(dns_lctx, category, module, level, + "overmem cache: saved %s", printname); + + NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_write); + + return (ISC_R_SUCCESS); } static void overmem(dns_db_t *db, isc_boolean_t overmem) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - -#ifdef LRU_DEBUG - /* XXX: see cache.c:timer_dump() */ - if ((int)overmem == -1) { - if (!IS_CACHE(rbtdb) || db->rdclass != dns_rdataclass_in) - return; /* for brevity */ - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_CACHE, ISC_LOG_INFO, - "cache DB %p: mem inuse %lu, %u node, " - "%d/%u current/total cache, %d/%u neg, %d/%u A, %d/%u AAAA, " - "%d/%u NS, %d/%u PTR, %d/%u glue, " - "%d/%u additional, purge/scan=%u(%u expiry, %u lru)/%u, " - "overmem=%d", - rbtdb, - (unsigned long)isc_mem_inuse(rbtdb->common.mctx), - dns_rbt_nodecount(rbtdb->tree), - rbtdb->cachestat.cache_current, rbtdb->cachestat.cache_total, - rbtdb->cachestat.ncache_current, rbtdb->cachestat.ncache_total, - rbtdb->cachestat.a_current, rbtdb->cachestat.a_total, - rbtdb->cachestat.aaaa_current, rbtdb->cachestat.aaaa_total, - rbtdb->cachestat.ns_current, rbtdb->cachestat.ns_total, - rbtdb->cachestat.ptr_current, rbtdb->cachestat.ptr_total, - rbtdb->cachestat.glue_current, rbtdb->cachestat.glue_total, - rbtdb->cachestat.additional_current, - rbtdb->cachestat.additional_total, - rbtdb->cachestat.stale_purge, rbtdb->cachestat.stale_expire, - rbtdb->cachestat.stale_lru, rbtdb->cachestat.stale_scan, - rbtdb->overmem); - return; - } -#endif + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - if (IS_CACHE(rbtdb)) { - rbtdb->overmem = overmem; - } + if (IS_CACHE(rbtdb)) + rbtdb->overmem = overmem; } static void printnode(dns_db_t *db, dns_dbnode_t *node, FILE *out) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - dns_rbtnode_t *rbtnode = node; - isc_boolean_t first; - - REQUIRE(VALID_RBTDB(rbtdb)); - - NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_read); - - fprintf(out, "node %p, %u references, locknum = %u\n", - rbtnode, dns_rbtnode_refcurrent(rbtnode), - rbtnode->locknum); - if (rbtnode->data != NULL) { - rdatasetheader_t *current, *top_next; - - for (current = rbtnode->data; current != NULL; - current = top_next) { - top_next = current->next; - first = ISC_TRUE; - fprintf(out, "\ttype %u", current->type); - do { - if (!first) - fprintf(out, "\t"); - first = ISC_FALSE; - fprintf(out, - "\tserial = %lu, ttl = %u, " - "trust = %u, attributes = %u\n", - (unsigned long)current->serial, - current->rdh_ttl, - current->trust, - current->attributes); - current = current->down; - } while (current != NULL); - } - } else - fprintf(out, "(empty)\n"); - - NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_read); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + dns_rbtnode_t *rbtnode = node; + isc_boolean_t first; + + REQUIRE(VALID_RBTDB(rbtdb)); + + NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_read); + + fprintf(out, "node %p, %u references, locknum = %u\n", + rbtnode, dns_rbtnode_refcurrent(rbtnode), + rbtnode->locknum); + if (rbtnode->data != NULL) { + rdatasetheader_t *current, *top_next; + + for (current = rbtnode->data; current != NULL; + current = top_next) { + top_next = current->next; + first = ISC_TRUE; + fprintf(out, "\ttype %u", current->type); + do { + if (!first) + fprintf(out, "\t"); + first = ISC_FALSE; + fprintf(out, + "\tserial = %lu, ttl = %u, " + "trust = %u, attributes = %u\n", + (unsigned long)current->serial, + current->rdh_ttl, + current->trust, + current->attributes); + current = current->down; + } while (current != NULL); + } + } else + fprintf(out, "(empty)\n"); + + NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_read); } static isc_result_t createiterator(dns_db_t *db, isc_boolean_t relative_names, - dns_dbiterator_t **iteratorp) + dns_dbiterator_t **iteratorp) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - rbtdb_dbiterator_t *rbtdbiter; - - REQUIRE(VALID_RBTDB(rbtdb)); - - rbtdbiter = isc_mem_get(rbtdb->common.mctx, sizeof(*rbtdbiter)); - if (rbtdbiter == NULL) - return (ISC_R_NOMEMORY); - - rbtdbiter->common.methods = &dbiterator_methods; - rbtdbiter->common.db = NULL; - dns_db_attach(db, &rbtdbiter->common.db); - rbtdbiter->common.relative_names = relative_names; - rbtdbiter->common.magic = DNS_DBITERATOR_MAGIC; - rbtdbiter->common.cleaning = ISC_FALSE; - rbtdbiter->paused = ISC_TRUE; - rbtdbiter->tree_locked = isc_rwlocktype_none; - rbtdbiter->result = ISC_R_SUCCESS; - dns_fixedname_init(&rbtdbiter->name); - dns_fixedname_init(&rbtdbiter->origin); - rbtdbiter->node = NULL; - rbtdbiter->delete = 0; - memset(rbtdbiter->deletions, 0, sizeof(rbtdbiter->deletions)); - dns_rbtnodechain_init(&rbtdbiter->chain, db->mctx); - - *iteratorp = (dns_dbiterator_t *)rbtdbiter; - - return (ISC_R_SUCCESS); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + rbtdb_dbiterator_t *rbtdbiter; + + REQUIRE(VALID_RBTDB(rbtdb)); + + rbtdbiter = isc_mem_get(rbtdb->common.mctx, sizeof(*rbtdbiter)); + if (rbtdbiter == NULL) + return (ISC_R_NOMEMORY); + + rbtdbiter->common.methods = &dbiterator_methods; + rbtdbiter->common.db = NULL; + dns_db_attach(db, &rbtdbiter->common.db); + rbtdbiter->common.relative_names = relative_names; + rbtdbiter->common.magic = DNS_DBITERATOR_MAGIC; + rbtdbiter->common.cleaning = ISC_FALSE; + rbtdbiter->paused = ISC_TRUE; + rbtdbiter->tree_locked = isc_rwlocktype_none; + rbtdbiter->result = ISC_R_SUCCESS; + dns_fixedname_init(&rbtdbiter->name); + dns_fixedname_init(&rbtdbiter->origin); + rbtdbiter->node = NULL; + rbtdbiter->delete = 0; + memset(rbtdbiter->deletions, 0, sizeof(rbtdbiter->deletions)); + dns_rbtnodechain_init(&rbtdbiter->chain, db->mctx); + + *iteratorp = (dns_dbiterator_t *)rbtdbiter; + + return (ISC_R_SUCCESS); } static isc_result_t zone_findrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, - dns_rdatatype_t type, dns_rdatatype_t covers, - isc_stdtime_t now, dns_rdataset_t *rdataset, - dns_rdataset_t *sigrdataset) + dns_rdatatype_t type, dns_rdatatype_t covers, + isc_stdtime_t now, dns_rdataset_t *rdataset, + dns_rdataset_t *sigrdataset) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node; - rdatasetheader_t *header, *header_next, *found, *foundsig; - rbtdb_serial_t serial; - rbtdb_version_t *rbtversion = version; - isc_boolean_t close_version = ISC_FALSE; - rbtdb_rdatatype_t matchtype, sigmatchtype; - - REQUIRE(VALID_RBTDB(rbtdb)); - REQUIRE(type != dns_rdatatype_any); - - if (rbtversion == NULL) { - currentversion(db, (dns_dbversion_t **) (void *)(&rbtversion)); - close_version = ISC_TRUE; - } - serial = rbtversion->serial; - now = 0; - - NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_read); - - found = NULL; - foundsig = NULL; - matchtype = RBTDB_RDATATYPE_VALUE(type, covers); - if (covers == 0) - sigmatchtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, type); - else - sigmatchtype = 0; - - for (header = rbtnode->data; header != NULL; header = header_next) { - header_next = header->next; - do { - if (header->serial <= serial && - !IGNORE(header)) { - /* - * Is this a "this rdataset doesn't - * exist" record? - */ - if (NONEXISTENT(header)) - header = NULL; - break; - } else - header = header->down; - } while (header != NULL); - if (header != NULL) { - /* - * We have an active, extant rdataset. If it's a - * type we're looking for, remember it. - */ - if (header->type == matchtype) { - found = header; - if (foundsig != NULL) - break; - } else if (header->type == sigmatchtype) { - foundsig = header; - if (found != NULL) - break; - } - } - } - if (found != NULL) { - bind_rdataset(rbtdb, rbtnode, found, now, rdataset); - if (foundsig != NULL) - bind_rdataset(rbtdb, rbtnode, foundsig, now, - sigrdataset); - } - - NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_read); - - if (close_version) - closeversion(db, (dns_dbversion_t **) (void *)(&rbtversion), - ISC_FALSE); - - if (found == NULL) - return (ISC_R_NOTFOUND); - - return (ISC_R_SUCCESS); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node; + rdatasetheader_t *header, *header_next, *found, *foundsig; + rbtdb_serial_t serial; + rbtdb_version_t *rbtversion = version; + isc_boolean_t close_version = ISC_FALSE; + rbtdb_rdatatype_t matchtype, sigmatchtype; + + REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(type != dns_rdatatype_any); + + if (rbtversion == NULL) { + currentversion(db, (dns_dbversion_t **) (void *)(&rbtversion)); + close_version = ISC_TRUE; + } + serial = rbtversion->serial; + now = 0; + + NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_read); + + found = NULL; + foundsig = NULL; + matchtype = RBTDB_RDATATYPE_VALUE(type, covers); + if (covers == 0) + sigmatchtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, type); + else + sigmatchtype = 0; + + for (header = rbtnode->data; header != NULL; header = header_next) { + header_next = header->next; + do { + if (header->serial <= serial && + !IGNORE(header)) { + /* + * Is this a "this rdataset doesn't + * exist" record? + */ + if (NONEXISTENT(header)) + header = NULL; + break; + } else + header = header->down; + } while (header != NULL); + if (header != NULL) { + /* + * We have an active, extant rdataset. If it's a + * type we're looking for, remember it. + */ + if (header->type == matchtype) { + found = header; + if (foundsig != NULL) + break; + } else if (header->type == sigmatchtype) { + foundsig = header; + if (found != NULL) + break; + } + } + } + if (found != NULL) { + bind_rdataset(rbtdb, rbtnode, found, now, rdataset); + if (foundsig != NULL) + bind_rdataset(rbtdb, rbtnode, foundsig, now, + sigrdataset); + } + + NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_read); + + if (close_version) + closeversion(db, (dns_dbversion_t **) (void *)(&rbtversion), + ISC_FALSE); + + if (found == NULL) + return (ISC_R_NOTFOUND); + + return (ISC_R_SUCCESS); } static isc_result_t cache_findrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, - dns_rdatatype_t type, dns_rdatatype_t covers, - isc_stdtime_t now, dns_rdataset_t *rdataset, - dns_rdataset_t *sigrdataset) + dns_rdatatype_t type, dns_rdatatype_t covers, + isc_stdtime_t now, dns_rdataset_t *rdataset, + dns_rdataset_t *sigrdataset) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node; - rdatasetheader_t *header, *header_next, *found, *foundsig; - rbtdb_rdatatype_t matchtype, sigmatchtype, negtype; - isc_result_t result; - nodelock_t *lock; - isc_rwlocktype_t locktype; - - REQUIRE(VALID_RBTDB(rbtdb)); - REQUIRE(type != dns_rdatatype_any); - - UNUSED(version); - - result = ISC_R_SUCCESS; - - if (now == 0) - isc_stdtime_get(&now); - - lock = &rbtdb->node_locks[rbtnode->locknum].lock; - locktype = isc_rwlocktype_read; - NODE_LOCK(lock, locktype); - - found = NULL; - foundsig = NULL; - matchtype = RBTDB_RDATATYPE_VALUE(type, covers); - negtype = RBTDB_RDATATYPE_VALUE(0, type); - if (covers == 0) - sigmatchtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, type); - else - sigmatchtype = 0; - - for (header = rbtnode->data; header != NULL; header = header_next) { - header_next = header->next; - if (header->rdh_ttl <= now) { - if ((header->rdh_ttl <= now - RBTDB_VIRTUAL) && - (locktype == isc_rwlocktype_write || - NODE_TRYUPGRADE(lock) == ISC_R_SUCCESS)) { - /* - * We update the node's status only when we - * can get write access. - */ - locktype = isc_rwlocktype_write; - - /* - * We don't check if refcurrent(rbtnode) == 0 - * and try to free like we do in cache_find(), - * because refcurrent(rbtnode) must be - * non-zero. This is so because 'node' is an - * argument to the function. - */ - header->attributes |= RDATASET_ATTR_STALE; - rbtnode->dirty = 1; - } - } else if (EXISTS(header)) { - if (header->type == matchtype) - found = header; - else if (header->type == RBTDB_RDATATYPE_NCACHEANY || - header->type == negtype) - found = header; - else if (header->type == sigmatchtype) - foundsig = header; - } - } - if (found != NULL) { - bind_rdataset(rbtdb, rbtnode, found, now, rdataset); - if (foundsig != NULL) - bind_rdataset(rbtdb, rbtnode, foundsig, now, - sigrdataset); - } - - NODE_UNLOCK(lock, locktype); - - if (found == NULL) - return (ISC_R_NOTFOUND); - - if (RBTDB_RDATATYPE_BASE(found->type) == 0) { - /* - * We found a negative cache entry. - */ - if (NXDOMAIN(found)) - result = DNS_R_NCACHENXDOMAIN; - else - result = DNS_R_NCACHENXRRSET; - } - - return (result); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node; + rdatasetheader_t *header, *header_next, *found, *foundsig; + rbtdb_rdatatype_t matchtype, sigmatchtype, negtype; + isc_result_t result; + nodelock_t *lock; + isc_rwlocktype_t locktype; + + REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(type != dns_rdatatype_any); + + UNUSED(version); + + result = ISC_R_SUCCESS; + + if (now == 0) + isc_stdtime_get(&now); + + lock = &rbtdb->node_locks[rbtnode->locknum].lock; + locktype = isc_rwlocktype_read; + NODE_LOCK(lock, locktype); + + found = NULL; + foundsig = NULL; + matchtype = RBTDB_RDATATYPE_VALUE(type, covers); + negtype = RBTDB_RDATATYPE_VALUE(0, type); + if (covers == 0) + sigmatchtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, type); + else + sigmatchtype = 0; + + for (header = rbtnode->data; header != NULL; header = header_next) { + header_next = header->next; + if (header->rdh_ttl <= now) { + if ((header->rdh_ttl <= now - RBTDB_VIRTUAL) && + (locktype == isc_rwlocktype_write || + NODE_TRYUPGRADE(lock) == ISC_R_SUCCESS)) { + /* + * We update the node's status only when we + * can get write access. + */ + locktype = isc_rwlocktype_write; + + /* + * We don't check if refcurrent(rbtnode) == 0 + * and try to free like we do in cache_find(), + * because refcurrent(rbtnode) must be + * non-zero. This is so because 'node' is an + * argument to the function. + */ + header->attributes |= RDATASET_ATTR_STALE; + rbtnode->dirty = 1; + } + } else if (EXISTS(header)) { + if (header->type == matchtype) + found = header; + else if (header->type == RBTDB_RDATATYPE_NCACHEANY || + header->type == negtype) + found = header; + else if (header->type == sigmatchtype) + foundsig = header; + } + } + if (found != NULL) { + bind_rdataset(rbtdb, rbtnode, found, now, rdataset); + if (foundsig != NULL) + bind_rdataset(rbtdb, rbtnode, foundsig, now, + sigrdataset); + } + + NODE_UNLOCK(lock, locktype); + + if (found == NULL) + return (ISC_R_NOTFOUND); + + if (RBTDB_RDATATYPE_BASE(found->type) == 0) { + /* + * We found a negative cache entry. + */ + if (NXDOMAIN(found)) + result = DNS_R_NCACHENXDOMAIN; + else + result = DNS_R_NCACHENXRRSET; + } + + return (result); } static isc_result_t allrdatasets(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, - isc_stdtime_t now, dns_rdatasetiter_t **iteratorp) + isc_stdtime_t now, dns_rdatasetiter_t **iteratorp) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node; - rbtdb_version_t *rbtversion = version; - rbtdb_rdatasetiter_t *iterator; - unsigned int refs; - - REQUIRE(VALID_RBTDB(rbtdb)); - - iterator = isc_mem_get(rbtdb->common.mctx, sizeof(*iterator)); - if (iterator == NULL) - return (ISC_R_NOMEMORY); - - if ((db->attributes & DNS_DBATTR_CACHE) == 0) { - now = 0; - if (rbtversion == NULL) - currentversion(db, - (dns_dbversion_t **) (void *)(&rbtversion)); - else { - unsigned int refs; - - isc_refcount_increment(&rbtversion->references, - &refs); - INSIST(refs > 1); - } - } else { - if (now == 0) - isc_stdtime_get(&now); - rbtversion = NULL; - } - - iterator->common.magic = DNS_RDATASETITER_MAGIC; - iterator->common.methods = &rdatasetiter_methods; - iterator->common.db = db; - iterator->common.node = node; - iterator->common.version = (dns_dbversion_t *)rbtversion; - iterator->common.now = now; - - NODE_STRONGLOCK(&rbtdb->node_locks[rbtnode->locknum].lock); - - dns_rbtnode_refincrement(rbtnode, &refs); - INSIST(refs != 0); - - iterator->current = NULL; - - NODE_STRONGUNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock); - - *iteratorp = (dns_rdatasetiter_t *)iterator; - - return (ISC_R_SUCCESS); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node; + rbtdb_version_t *rbtversion = version; + rbtdb_rdatasetiter_t *iterator; + unsigned int refs; + + REQUIRE(VALID_RBTDB(rbtdb)); + + iterator = isc_mem_get(rbtdb->common.mctx, sizeof(*iterator)); + if (iterator == NULL) + return (ISC_R_NOMEMORY); + + if ((db->attributes & DNS_DBATTR_CACHE) == 0) { + now = 0; + if (rbtversion == NULL) + currentversion(db, + (dns_dbversion_t **) (void *)(&rbtversion)); + else { + unsigned int refs; + + isc_refcount_increment(&rbtversion->references, + &refs); + INSIST(refs > 1); + } + } else { + if (now == 0) + isc_stdtime_get(&now); + rbtversion = NULL; + } + + iterator->common.magic = DNS_RDATASETITER_MAGIC; + iterator->common.methods = &rdatasetiter_methods; + iterator->common.db = db; + iterator->common.node = node; + iterator->common.version = (dns_dbversion_t *)rbtversion; + iterator->common.now = now; + + NODE_STRONGLOCK(&rbtdb->node_locks[rbtnode->locknum].lock); + + dns_rbtnode_refincrement(rbtnode, &refs); + INSIST(refs != 0); + + iterator->current = NULL; + + NODE_STRONGUNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock); + + *iteratorp = (dns_rdatasetiter_t *)iterator; + + return (ISC_R_SUCCESS); } static isc_boolean_t cname_and_other_data(dns_rbtnode_t *node, rbtdb_serial_t serial) { - rdatasetheader_t *header, *header_next; - isc_boolean_t cname, other_data; - dns_rdatatype_t rdtype; - - /* - * The caller must hold the node lock. - */ - - /* - * Look for CNAME and "other data" rdatasets active in our version. - */ - cname = ISC_FALSE; - other_data = ISC_FALSE; - for (header = node->data; header != NULL; header = header_next) { - header_next = header->next; - if (header->type == dns_rdatatype_cname) { - /* - * Look for an active extant CNAME. - */ - do { - if (header->serial <= serial && - !IGNORE(header)) { - /* - * Is this a "this rdataset doesn't - * exist" record? - */ - if (NONEXISTENT(header)) - header = NULL; - break; - } else - header = header->down; - } while (header != NULL); - if (header != NULL) - cname = ISC_TRUE; - } else { - /* - * Look for active extant "other data". - * - * "Other data" is any rdataset whose type is not - * KEY, RRSIG KEY, NSEC, RRSIG NSEC or RRSIG CNAME. - */ - rdtype = RBTDB_RDATATYPE_BASE(header->type); - if (rdtype == dns_rdatatype_rrsig || - rdtype == dns_rdatatype_sig) - rdtype = RBTDB_RDATATYPE_EXT(header->type); - if (rdtype != dns_rdatatype_nsec && - rdtype != dns_rdatatype_key && - rdtype != dns_rdatatype_cname) { - /* - * We've found a type that isn't - * NSEC, KEY, CNAME, or one of their - * signatures. Is it active and extant? - */ - do { - if (header->serial <= serial && - !IGNORE(header)) { - /* - * Is this a "this rdataset - * doesn't exist" record? - */ - if (NONEXISTENT(header)) - header = NULL; - break; - } else - header = header->down; - } while (header != NULL); - if (header != NULL) - other_data = ISC_TRUE; - } - } - } - - if (cname && other_data) - return (ISC_TRUE); - - return (ISC_FALSE); + rdatasetheader_t *header, *header_next; + isc_boolean_t cname, other_data; + dns_rdatatype_t rdtype; + + /* + * The caller must hold the node lock. + */ + + /* + * Look for CNAME and "other data" rdatasets active in our version. + */ + cname = ISC_FALSE; + other_data = ISC_FALSE; + for (header = node->data; header != NULL; header = header_next) { + header_next = header->next; + if (header->type == dns_rdatatype_cname) { + /* + * Look for an active extant CNAME. + */ + do { + if (header->serial <= serial && + !IGNORE(header)) { + /* + * Is this a "this rdataset doesn't + * exist" record? + */ + if (NONEXISTENT(header)) + header = NULL; + break; + } else + header = header->down; + } while (header != NULL); + if (header != NULL) + cname = ISC_TRUE; + } else { + /* + * Look for active extant "other data". + * + * "Other data" is any rdataset whose type is not + * KEY, RRSIG KEY, NSEC, RRSIG NSEC or RRSIG CNAME. + */ + rdtype = RBTDB_RDATATYPE_BASE(header->type); + if (rdtype == dns_rdatatype_rrsig || + rdtype == dns_rdatatype_sig) + rdtype = RBTDB_RDATATYPE_EXT(header->type); + if (rdtype != dns_rdatatype_nsec && + rdtype != dns_rdatatype_key && + rdtype != dns_rdatatype_cname) { + /* + * We've found a type that isn't + * NSEC, KEY, CNAME, or one of their + * signatures. Is it active and extant? + */ + do { + if (header->serial <= serial && + !IGNORE(header)) { + /* + * Is this a "this rdataset + * doesn't exist" record? + */ + if (NONEXISTENT(header)) + header = NULL; + break; + } else + header = header->down; + } while (header != NULL); + if (header != NULL) + other_data = ISC_TRUE; + } + } + } + + if (cname && other_data) + return (ISC_TRUE); + + return (ISC_FALSE); } -#ifdef LRU_DEBUG -static void -cachestat_update(dns_rbtdb_t *rbtdb, rdatasetheader_t *header) { - if ((header->attributes & RDATASET_ATTR_CACHE) == 0) - return; - - /* XXX: don't use lock for brevity */ - rbtdb->cachestat.cache_total++; - if (RBTDB_RDATATYPE_BASE(header->type) == 0) - rbtdb->cachestat.ncache_total++; - if (header->type == dns_rdatatype_a) - rbtdb->cachestat.a_total++; - else if (header->type == dns_rdatatype_aaaa) - rbtdb->cachestat.aaaa_total++; - else if (header->type == dns_rdatatype_ns) - rbtdb->cachestat.ns_total++; - else if (header->type == dns_rdatatype_ptr) - rbtdb->cachestat.ptr_total++; - - if (header->trust == dns_trust_glue && - (header->type == dns_rdatatype_a || - header->type == dns_rdatatype_aaaa)) { - rbtdb->cachestat.glue_total++; - } - if (header->trust == dns_trust_additional && - (header->type == dns_rdatatype_a || - header->type == dns_rdatatype_aaaa)) { - rbtdb->cachestat.additional_total++; - } -} -#endif - static isc_result_t add(dns_rbtdb_t *rbtdb, dns_rbtnode_t *rbtnode, rbtdb_version_t *rbtversion, rdatasetheader_t *newheader, unsigned int options, isc_boolean_t loading, dns_rdataset_t *addedrdataset, isc_stdtime_t now) { - rbtdb_changed_t *changed = NULL; - rdatasetheader_t *topheader, *topheader_prev, *header; - unsigned char *merged; - isc_result_t result; - isc_boolean_t header_nx; - isc_boolean_t newheader_nx; - isc_boolean_t merge; - dns_rdatatype_t rdtype, covers; - rbtdb_rdatatype_t negtype; - dns_trust_t trust; - - /* - * Add an rdatasetheader_t to a node. - */ - - /* - * Caller must be holding the node lock. - */ - - if ((options & DNS_DBADD_MERGE) != 0) { - REQUIRE(rbtversion != NULL); - merge = ISC_TRUE; - } else - merge = ISC_FALSE; - - if ((options & DNS_DBADD_FORCE) != 0) - trust = dns_trust_ultimate; - else - trust = newheader->trust; - - if (rbtversion != NULL && !loading) { - /* - * We always add a changed record, even if no changes end up - * being made to this node, because it's harmless and - * simplifies the code. - */ - changed = add_changed(rbtdb, rbtversion, rbtnode); - if (changed == NULL) { - free_rdataset(rbtdb, rbtdb->common.mctx, newheader); - return (ISC_R_NOMEMORY); - } - } - - newheader_nx = NONEXISTENT(newheader) ? ISC_TRUE : ISC_FALSE; - topheader_prev = NULL; - - negtype = 0; - if (rbtversion == NULL && !newheader_nx) { - rdtype = RBTDB_RDATATYPE_BASE(newheader->type); - if (rdtype == 0) { - /* - * We're adding a negative cache entry. - */ - covers = RBTDB_RDATATYPE_EXT(newheader->type); - if (covers == dns_rdatatype_any) { - /* - * We're adding an negative cache entry - * which covers all types (NXDOMAIN, - * NODATA(QTYPE=ANY)). - * - * We make all other data stale so that the - * only rdataset that can be found at this - * node is the negative cache entry. - */ - for (topheader = rbtnode->data; - topheader != NULL; - topheader = topheader->next) { - set_ttl(rbtdb, topheader, 0); - topheader->attributes |= - RDATASET_ATTR_STALE; - } - rbtnode->dirty = 1; - goto find_header; - } - negtype = RBTDB_RDATATYPE_VALUE(covers, 0); - } else { - /* - * We're adding something that isn't a - * negative cache entry. Look for an extant - * non-stale NXDOMAIN/NODATA(QTYPE=ANY) negative - * cache entry. - */ - for (topheader = rbtnode->data; - topheader != NULL; - topheader = topheader->next) { - if (topheader->type == - RBTDB_RDATATYPE_NCACHEANY) - break; - } - if (topheader != NULL && EXISTS(topheader) && - topheader->rdh_ttl > now) { - /* - * Found one. - */ - if (trust < topheader->trust) { - /* - * The NXDOMAIN/NODATA(QTYPE=ANY) - * is more trusted. - */ - /* set the flag for debug */ - newheader->attributes |= - RDATASET_ATTR_CANCELED; - free_rdataset(rbtdb, - rbtdb->common.mctx, - newheader); - if (addedrdataset != NULL) - bind_rdataset(rbtdb, rbtnode, - topheader, now, - addedrdataset); - return (DNS_R_UNCHANGED); - } - /* - * The new rdataset is better. Expire the - * NXDOMAIN/NODATA(QTYPE=ANY). - */ - set_ttl(rbtdb, topheader, 0); - topheader->attributes |= RDATASET_ATTR_STALE; - rbtnode->dirty = 1; - topheader = NULL; - goto find_header; - } - negtype = RBTDB_RDATATYPE_VALUE(0, rdtype); - } - } - - for (topheader = rbtnode->data; - topheader != NULL; - topheader = topheader->next) { - if (topheader->type == newheader->type || - topheader->type == negtype) - break; - topheader_prev = topheader; - } + rbtdb_changed_t *changed = NULL; + rdatasetheader_t *topheader, *topheader_prev, *header; + unsigned char *merged; + isc_result_t result; + isc_boolean_t header_nx; + isc_boolean_t newheader_nx; + isc_boolean_t merge; + dns_rdatatype_t rdtype, covers; + rbtdb_rdatatype_t negtype; + dns_trust_t trust; + + /* + * Add an rdatasetheader_t to a node. + */ + + /* + * Caller must be holding the node lock. + */ + + if ((options & DNS_DBADD_MERGE) != 0) { + REQUIRE(rbtversion != NULL); + merge = ISC_TRUE; + } else + merge = ISC_FALSE; + + if ((options & DNS_DBADD_FORCE) != 0) + trust = dns_trust_ultimate; + else + trust = newheader->trust; + + if (rbtversion != NULL && !loading) { + /* + * We always add a changed record, even if no changes end up + * being made to this node, because it's harmless and + * simplifies the code. + */ + changed = add_changed(rbtdb, rbtversion, rbtnode); + if (changed == NULL) { + free_rdataset(rbtdb, rbtdb->common.mctx, newheader); + return (ISC_R_NOMEMORY); + } + } + + newheader_nx = NONEXISTENT(newheader) ? ISC_TRUE : ISC_FALSE; + topheader_prev = NULL; + + negtype = 0; + if (rbtversion == NULL && !newheader_nx) { + rdtype = RBTDB_RDATATYPE_BASE(newheader->type); + if (rdtype == 0) { + /* + * We're adding a negative cache entry. + */ + covers = RBTDB_RDATATYPE_EXT(newheader->type); + if (covers == dns_rdatatype_any) { + /* + * We're adding an negative cache entry + * which covers all types (NXDOMAIN, + * NODATA(QTYPE=ANY)). + * + * We make all other data stale so that the + * only rdataset that can be found at this + * node is the negative cache entry. + */ + for (topheader = rbtnode->data; + topheader != NULL; + topheader = topheader->next) { + set_ttl(rbtdb, topheader, 0); + topheader->attributes |= + RDATASET_ATTR_STALE; + } + rbtnode->dirty = 1; + goto find_header; + } + negtype = RBTDB_RDATATYPE_VALUE(covers, 0); + } else { + /* + * We're adding something that isn't a + * negative cache entry. Look for an extant + * non-stale NXDOMAIN/NODATA(QTYPE=ANY) negative + * cache entry. + */ + for (topheader = rbtnode->data; + topheader != NULL; + topheader = topheader->next) { + if (topheader->type == + RBTDB_RDATATYPE_NCACHEANY) + break; + } + if (topheader != NULL && EXISTS(topheader) && + topheader->rdh_ttl > now) { + /* + * Found one. + */ + if (trust < topheader->trust) { + /* + * The NXDOMAIN/NODATA(QTYPE=ANY) + * is more trusted. + */ + free_rdataset(rbtdb, + rbtdb->common.mctx, + newheader); + if (addedrdataset != NULL) + bind_rdataset(rbtdb, rbtnode, + topheader, now, + addedrdataset); + return (DNS_R_UNCHANGED); + } + /* + * The new rdataset is better. Expire the + * NXDOMAIN/NODATA(QTYPE=ANY). + */ + set_ttl(rbtdb, topheader, 0); + topheader->attributes |= RDATASET_ATTR_STALE; + rbtnode->dirty = 1; + topheader = NULL; + goto find_header; + } + negtype = RBTDB_RDATATYPE_VALUE(0, rdtype); + } + } + + for (topheader = rbtnode->data; + topheader != NULL; + topheader = topheader->next) { + if (topheader->type == newheader->type || + topheader->type == negtype) + break; + topheader_prev = topheader; + } find_header: - /* - * If header isn't NULL, we've found the right type. There may be - * IGNORE rdatasets between the top of the chain and the first real - * data. We skip over them. - */ - header = topheader; - while (header != NULL && IGNORE(header)) - header = header->down; - if (header != NULL) { - header_nx = NONEXISTENT(header) ? ISC_TRUE : ISC_FALSE; - - /* - * Deleting an already non-existent rdataset has no effect. - */ - if (header_nx && newheader_nx) { - free_rdataset(rbtdb, rbtdb->common.mctx, newheader); - return (DNS_R_UNCHANGED); - } - - /* - * Trying to add an rdataset with lower trust to a cache DB - * has no effect, provided that the cache data isn't stale. - */ - if (rbtversion == NULL && trust < header->trust && - (header->rdh_ttl > now || header_nx)) { - newheader->attributes |= RDATASET_ATTR_CANCELED; - free_rdataset(rbtdb, rbtdb->common.mctx, newheader); - if (addedrdataset != NULL) - bind_rdataset(rbtdb, rbtnode, header, now, - addedrdataset); - return (DNS_R_UNCHANGED); - } - - /* - * Don't merge if a nonexistent rdataset is involved. - */ - if (merge && (header_nx || newheader_nx)) - merge = ISC_FALSE; - - /* - * If 'merge' is ISC_TRUE, we'll try to create a new rdataset - * that is the union of 'newheader' and 'header'. - */ - if (merge) { - unsigned int flags = 0; - INSIST(rbtversion->serial >= header->serial); - merged = NULL; - result = ISC_R_SUCCESS; - - if ((options & DNS_DBADD_EXACT) != 0) - flags |= DNS_RDATASLAB_EXACT; - if ((options & DNS_DBADD_EXACTTTL) != 0 && - newheader->rdh_ttl != header->rdh_ttl) - result = DNS_R_NOTEXACT; - else if (newheader->rdh_ttl != header->rdh_ttl) - flags |= DNS_RDATASLAB_FORCE; - if (result == ISC_R_SUCCESS) - result = dns_rdataslab_merge( - (unsigned char *)header, - (unsigned char *)newheader, - (unsigned int)(sizeof(*newheader)), - rbtdb->common.mctx, - rbtdb->common.rdclass, - (dns_rdatatype_t)header->type, - flags, &merged); - if (result == ISC_R_SUCCESS) { - /* - * If 'header' has the same serial number as - * we do, we could clean it up now if we knew - * that our caller had no references to it. - * We don't know this, however, so we leave it - * alone. It will get cleaned up when - * clean_zone_node() runs. - */ - free_rdataset(rbtdb, rbtdb->common.mctx, - newheader); - newheader = (rdatasetheader_t *)merged; - } else { - free_rdataset(rbtdb, rbtdb->common.mctx, - newheader); - return (result); - } - } - /* - * Don't replace existing NS, A and AAAA RRsets - * in the cache if they are already exist. This - * prevents named being locked to old servers. - * Don't lower trust of existing record if the - * update is forced. - */ - if (IS_CACHE(rbtdb) && header->rdh_ttl > now && - header->type == dns_rdatatype_ns && - !header_nx && !newheader_nx && - header->trust >= newheader->trust && - dns_rdataslab_equalx((unsigned char *)header, - (unsigned char *)newheader, - (unsigned int)(sizeof(*newheader)), - rbtdb->common.rdclass, - (dns_rdatatype_t)header->type)) { - /* - * Honour the new ttl if it is less than the - * older one. - */ - if (header->rdh_ttl > newheader->rdh_ttl) - set_ttl(rbtdb, header, newheader->rdh_ttl); - if (header->noqname == NULL && - newheader->noqname != NULL) { - header->noqname = newheader->noqname; - newheader->noqname = NULL; - } - newheader->attributes |= RDATASET_ATTR_CANCELED; - free_rdataset(rbtdb, rbtdb->common.mctx, newheader); - if (addedrdataset != NULL) - bind_rdataset(rbtdb, rbtnode, header, now, - addedrdataset); - return (ISC_R_SUCCESS); - } - if (IS_CACHE(rbtdb) && header->rdh_ttl > now && - (header->type == dns_rdatatype_a || - header->type == dns_rdatatype_aaaa) && - !header_nx && !newheader_nx && - header->trust >= newheader->trust && - dns_rdataslab_equal((unsigned char *)header, - (unsigned char *)newheader, - (unsigned int)(sizeof(*newheader)))) { - /* - * Honour the new ttl if it is less than the - * older one. - */ - if (header->rdh_ttl > newheader->rdh_ttl) - set_ttl(rbtdb, header, newheader->rdh_ttl); - if (header->noqname == NULL && - newheader->noqname != NULL) { - header->noqname = newheader->noqname; - newheader->noqname = NULL; - } - newheader->attributes |= RDATASET_ATTR_CANCELED; - free_rdataset(rbtdb, rbtdb->common.mctx, newheader); - if (addedrdataset != NULL) - bind_rdataset(rbtdb, rbtnode, header, now, - addedrdataset); - return (ISC_R_SUCCESS); - } - INSIST(rbtversion == NULL || - rbtversion->serial >= topheader->serial); - if (topheader_prev != NULL) - topheader_prev->next = newheader; - else - rbtnode->data = newheader; - newheader->next = topheader->next; - if (loading) { - /* - * There are no other references to 'header' when - * loading, so we MAY clean up 'header' now. - * Since we don't generate changed records when - * loading, we MUST clean up 'header' now. - */ - newheader->down = NULL; - free_rdataset(rbtdb, rbtdb->common.mctx, header); - } else { - newheader->down = topheader; - topheader->next = newheader; - rbtnode->dirty = 1; - if (changed != NULL) - changed->dirty = ISC_TRUE; - if (rbtversion == NULL) { - set_ttl(rbtdb, header, 0); - header->attributes |= RDATASET_ATTR_STALE; - } - if (IS_CACHE(rbtdb)) { - int idx = newheader->node->locknum; - - ISC_LIST_PREPEND(rbtdb->rdatasets[idx], - newheader, lru_link); - - /* - * XXXMLG We don't check the return value - * here. If it fails, we will not do TTL - * based expiry on this node. However, we - * will do it on the LRU side, so memory - * will not leak... for long. - */ - isc_heap_insert(rbtdb->heaps[idx], newheader); - } -#ifdef LRU_DEBUG - cachestat_update(rbtdb, newheader); -#endif - } - } else { - /* - * No non-IGNORED rdatasets of the given type exist at - * this node. - */ - - /* - * If we're trying to delete the type, don't bother. - */ - if (newheader_nx) { - free_rdataset(rbtdb, rbtdb->common.mctx, newheader); - return (DNS_R_UNCHANGED); - } - - if (topheader != NULL) { - /* - * We have an list of rdatasets of the given type, - * but they're all marked IGNORE. We simply insert - * the new rdataset at the head of the list. - * - * Ignored rdatasets cannot occur during loading, so - * we INSIST on it. - */ - INSIST(!loading); - INSIST(rbtversion == NULL || - rbtversion->serial >= topheader->serial); - if (topheader_prev != NULL) - topheader_prev->next = newheader; - else - rbtnode->data = newheader; - newheader->next = topheader->next; - newheader->down = topheader; - topheader->next = newheader; - rbtnode->dirty = 1; - if (changed != NULL) - changed->dirty = ISC_TRUE; - } else { - /* - * No rdatasets of the given type exist at the node. - */ - newheader->next = rbtnode->data; - newheader->down = NULL; - rbtnode->data = newheader; - } - if (IS_CACHE(rbtdb)) { - int idx = newheader->node->locknum; - ISC_LIST_PREPEND(rbtdb->rdatasets[idx], - newheader, lru_link); - isc_heap_insert(rbtdb->heaps[idx], newheader); - } -#ifdef LRU_DEBUG - cachestat_update(rbtdb, newheader); -#endif - } - - /* - * Check if the node now contains CNAME and other data. - */ - if (rbtversion != NULL && - cname_and_other_data(rbtnode, rbtversion->serial)) - return (DNS_R_CNAMEANDOTHER); - - if (addedrdataset != NULL) - bind_rdataset(rbtdb, rbtnode, newheader, now, addedrdataset); - - return (ISC_R_SUCCESS); + /* + * If header isn't NULL, we've found the right type. There may be + * IGNORE rdatasets between the top of the chain and the first real + * data. We skip over them. + */ + header = topheader; + while (header != NULL && IGNORE(header)) + header = header->down; + if (header != NULL) { + header_nx = NONEXISTENT(header) ? ISC_TRUE : ISC_FALSE; + + /* + * Deleting an already non-existent rdataset has no effect. + */ + if (header_nx && newheader_nx) { + free_rdataset(rbtdb, rbtdb->common.mctx, newheader); + return (DNS_R_UNCHANGED); + } + + /* + * Trying to add an rdataset with lower trust to a cache DB + * has no effect, provided that the cache data isn't stale. + */ + if (rbtversion == NULL && trust < header->trust && + (header->rdh_ttl > now || header_nx)) { + free_rdataset(rbtdb, rbtdb->common.mctx, newheader); + if (addedrdataset != NULL) + bind_rdataset(rbtdb, rbtnode, header, now, + addedrdataset); + return (DNS_R_UNCHANGED); + } + + /* + * Don't merge if a nonexistent rdataset is involved. + */ + if (merge && (header_nx || newheader_nx)) + merge = ISC_FALSE; + + /* + * If 'merge' is ISC_TRUE, we'll try to create a new rdataset + * that is the union of 'newheader' and 'header'. + */ + if (merge) { + unsigned int flags = 0; + INSIST(rbtversion->serial >= header->serial); + merged = NULL; + result = ISC_R_SUCCESS; + + if ((options & DNS_DBADD_EXACT) != 0) + flags |= DNS_RDATASLAB_EXACT; + if ((options & DNS_DBADD_EXACTTTL) != 0 && + newheader->rdh_ttl != header->rdh_ttl) + result = DNS_R_NOTEXACT; + else if (newheader->rdh_ttl != header->rdh_ttl) + flags |= DNS_RDATASLAB_FORCE; + if (result == ISC_R_SUCCESS) + result = dns_rdataslab_merge( + (unsigned char *)header, + (unsigned char *)newheader, + (unsigned int)(sizeof(*newheader)), + rbtdb->common.mctx, + rbtdb->common.rdclass, + (dns_rdatatype_t)header->type, + flags, &merged); + if (result == ISC_R_SUCCESS) { + /* + * If 'header' has the same serial number as + * we do, we could clean it up now if we knew + * that our caller had no references to it. + * We don't know this, however, so we leave it + * alone. It will get cleaned up when + * clean_zone_node() runs. + */ + free_rdataset(rbtdb, rbtdb->common.mctx, + newheader); + newheader = (rdatasetheader_t *)merged; + } else { + free_rdataset(rbtdb, rbtdb->common.mctx, + newheader); + return (result); + } + } + /* + * Don't replace existing NS, A and AAAA RRsets + * in the cache if they are already exist. This + * prevents named being locked to old servers. + * Don't lower trust of existing record if the + * update is forced. + */ + if (IS_CACHE(rbtdb) && header->rdh_ttl > now && + header->type == dns_rdatatype_ns && + !header_nx && !newheader_nx && + header->trust >= newheader->trust && + dns_rdataslab_equalx((unsigned char *)header, + (unsigned char *)newheader, + (unsigned int)(sizeof(*newheader)), + rbtdb->common.rdclass, + (dns_rdatatype_t)header->type)) { + /* + * Honour the new ttl if it is less than the + * older one. + */ + if (header->rdh_ttl > newheader->rdh_ttl) + set_ttl(rbtdb, header, newheader->rdh_ttl); + if (header->noqname == NULL && + newheader->noqname != NULL) { + header->noqname = newheader->noqname; + newheader->noqname = NULL; + } + free_rdataset(rbtdb, rbtdb->common.mctx, newheader); + if (addedrdataset != NULL) + bind_rdataset(rbtdb, rbtnode, header, now, + addedrdataset); + return (ISC_R_SUCCESS); + } + if (IS_CACHE(rbtdb) && header->rdh_ttl > now && + (header->type == dns_rdatatype_a || + header->type == dns_rdatatype_aaaa) && + !header_nx && !newheader_nx && + header->trust >= newheader->trust && + dns_rdataslab_equal((unsigned char *)header, + (unsigned char *)newheader, + (unsigned int)(sizeof(*newheader)))) { + /* + * Honour the new ttl if it is less than the + * older one. + */ + if (header->rdh_ttl > newheader->rdh_ttl) + set_ttl(rbtdb, header, newheader->rdh_ttl); + if (header->noqname == NULL && + newheader->noqname != NULL) { + header->noqname = newheader->noqname; + newheader->noqname = NULL; + } + free_rdataset(rbtdb, rbtdb->common.mctx, newheader); + if (addedrdataset != NULL) + bind_rdataset(rbtdb, rbtnode, header, now, + addedrdataset); + return (ISC_R_SUCCESS); + } + INSIST(rbtversion == NULL || + rbtversion->serial >= topheader->serial); + if (topheader_prev != NULL) + topheader_prev->next = newheader; + else + rbtnode->data = newheader; + newheader->next = topheader->next; + if (loading) { + /* + * There are no other references to 'header' when + * loading, so we MAY clean up 'header' now. + * Since we don't generate changed records when + * loading, we MUST clean up 'header' now. + */ + newheader->down = NULL; + free_rdataset(rbtdb, rbtdb->common.mctx, header); + } else { + newheader->down = topheader; + topheader->next = newheader; + rbtnode->dirty = 1; + if (changed != NULL) + changed->dirty = ISC_TRUE; + if (rbtversion == NULL) { + set_ttl(rbtdb, header, 0); + header->attributes |= RDATASET_ATTR_STALE; + } + if (IS_CACHE(rbtdb)) { + int idx = newheader->node->locknum; + + ISC_LIST_PREPEND(rbtdb->rdatasets[idx], + newheader, lru_link); + + /* + * XXXMLG We don't check the return value + * here. If it fails, we will not do TTL + * based expiry on this node. However, we + * will do it on the LRU side, so memory + * will not leak... for long. + */ + isc_heap_insert(rbtdb->heaps[idx], newheader); + } + } + } else { + /* + * No non-IGNORED rdatasets of the given type exist at + * this node. + */ + + /* + * If we're trying to delete the type, don't bother. + */ + if (newheader_nx) { + free_rdataset(rbtdb, rbtdb->common.mctx, newheader); + return (DNS_R_UNCHANGED); + } + + if (topheader != NULL) { + /* + * We have an list of rdatasets of the given type, + * but they're all marked IGNORE. We simply insert + * the new rdataset at the head of the list. + * + * Ignored rdatasets cannot occur during loading, so + * we INSIST on it. + */ + INSIST(!loading); + INSIST(rbtversion == NULL || + rbtversion->serial >= topheader->serial); + if (topheader_prev != NULL) + topheader_prev->next = newheader; + else + rbtnode->data = newheader; + newheader->next = topheader->next; + newheader->down = topheader; + topheader->next = newheader; + rbtnode->dirty = 1; + if (changed != NULL) + changed->dirty = ISC_TRUE; + } else { + /* + * No rdatasets of the given type exist at the node. + */ + newheader->next = rbtnode->data; + newheader->down = NULL; + rbtnode->data = newheader; + } + if (IS_CACHE(rbtdb)) { + int idx = newheader->node->locknum; + ISC_LIST_PREPEND(rbtdb->rdatasets[idx], + newheader, lru_link); + isc_heap_insert(rbtdb->heaps[idx], newheader); + } + } + + /* + * Check if the node now contains CNAME and other data. + */ + if (rbtversion != NULL && + cname_and_other_data(rbtnode, rbtversion->serial)) + return (DNS_R_CNAMEANDOTHER); + + if (addedrdataset != NULL) + bind_rdataset(rbtdb, rbtnode, newheader, now, addedrdataset); + + return (ISC_R_SUCCESS); } static inline isc_boolean_t delegating_type(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node, - rbtdb_rdatatype_t type) + rbtdb_rdatatype_t type) { - if (IS_CACHE(rbtdb)) { - if (type == dns_rdatatype_dname) - return (ISC_TRUE); - else - return (ISC_FALSE); - } else if (type == dns_rdatatype_dname || - (type == dns_rdatatype_ns && - (node != rbtdb->origin_node || IS_STUB(rbtdb)))) - return (ISC_TRUE); - return (ISC_FALSE); + if (IS_CACHE(rbtdb)) { + if (type == dns_rdatatype_dname) + return (ISC_TRUE); + else + return (ISC_FALSE); + } else if (type == dns_rdatatype_dname || + (type == dns_rdatatype_ns && + (node != rbtdb->origin_node || IS_STUB(rbtdb)))) + return (ISC_TRUE); + return (ISC_FALSE); } static inline isc_result_t addnoqname(dns_rbtdb_t *rbtdb, rdatasetheader_t *newheader, - dns_rdataset_t *rdataset) + dns_rdataset_t *rdataset) { - struct noqname *noqname; - isc_mem_t *mctx = rbtdb->common.mctx; - dns_name_t name; - dns_rdataset_t nsec, nsecsig; - isc_result_t result; - isc_region_t r; - - dns_name_init(&name, NULL); - dns_rdataset_init(&nsec); - dns_rdataset_init(&nsecsig); - - result = dns_rdataset_getnoqname(rdataset, &name, &nsec, &nsecsig); - RUNTIME_CHECK(result == ISC_R_SUCCESS); - - noqname = isc_mem_get(mctx, sizeof(*noqname)); - if (noqname == NULL) { - result = ISC_R_NOMEMORY; - goto cleanup; - } - dns_name_init(&noqname->name, NULL); - noqname->nsec = NULL; - noqname->nsecsig = NULL; - result = dns_name_dup(&name, mctx, &noqname->name); - if (result != ISC_R_SUCCESS) - goto cleanup; - result = dns_rdataslab_fromrdataset(&nsec, mctx, &r, 0); - if (result != ISC_R_SUCCESS) - goto cleanup; - noqname->nsec = r.base; - result = dns_rdataslab_fromrdataset(&nsecsig, mctx, &r, 0); - if (result != ISC_R_SUCCESS) - goto cleanup; - noqname->nsecsig = r.base; - dns_rdataset_disassociate(&nsec); - dns_rdataset_disassociate(&nsecsig); - newheader->noqname = noqname; - return (ISC_R_SUCCESS); + struct noqname *noqname; + isc_mem_t *mctx = rbtdb->common.mctx; + dns_name_t name; + dns_rdataset_t nsec, nsecsig; + isc_result_t result; + isc_region_t r; + + dns_name_init(&name, NULL); + dns_rdataset_init(&nsec); + dns_rdataset_init(&nsecsig); + + result = dns_rdataset_getnoqname(rdataset, &name, &nsec, &nsecsig); + RUNTIME_CHECK(result == ISC_R_SUCCESS); + + noqname = isc_mem_get(mctx, sizeof(*noqname)); + if (noqname == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup; + } + dns_name_init(&noqname->name, NULL); + noqname->nsec = NULL; + noqname->nsecsig = NULL; + result = dns_name_dup(&name, mctx, &noqname->name); + if (result != ISC_R_SUCCESS) + goto cleanup; + result = dns_rdataslab_fromrdataset(&nsec, mctx, &r, 0); + if (result != ISC_R_SUCCESS) + goto cleanup; + noqname->nsec = r.base; + result = dns_rdataslab_fromrdataset(&nsecsig, mctx, &r, 0); + if (result != ISC_R_SUCCESS) + goto cleanup; + noqname->nsecsig = r.base; + dns_rdataset_disassociate(&nsec); + dns_rdataset_disassociate(&nsecsig); + newheader->noqname = noqname; + return (ISC_R_SUCCESS); cleanup: - dns_rdataset_disassociate(&nsec); - dns_rdataset_disassociate(&nsecsig); - free_noqname(mctx, &noqname); - return(result); + dns_rdataset_disassociate(&nsec); + dns_rdataset_disassociate(&nsecsig); + free_noqname(mctx, &noqname); + return(result); } static isc_result_t addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, - isc_stdtime_t now, dns_rdataset_t *rdataset, unsigned int options, - dns_rdataset_t *addedrdataset) + isc_stdtime_t now, dns_rdataset_t *rdataset, unsigned int options, + dns_rdataset_t *addedrdataset) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node; - rbtdb_version_t *rbtversion = version; - isc_region_t region; - rdatasetheader_t *newheader; - isc_result_t result; - isc_boolean_t delegating; - isc_boolean_t tree_locked = ISC_FALSE; - - REQUIRE(VALID_RBTDB(rbtdb)); - - if (rbtversion == NULL) { - if (now == 0) - isc_stdtime_get(&now); - } else - now = 0; - - result = dns_rdataslab_fromrdataset(rdataset, rbtdb->common.mctx, - ®ion, - sizeof(rdatasetheader_t)); - if (result != ISC_R_SUCCESS) - return (result); - - newheader = (rdatasetheader_t *)region.base; - init_rdataset(rbtdb, newheader); - set_ttl(rbtdb, newheader, rdataset->ttl + now); - newheader->type = RBTDB_RDATATYPE_VALUE(rdataset->type, - rdataset->covers); - newheader->attributes = 0; - newheader->noqname = NULL; - newheader->count = init_count++; - newheader->trust = rdataset->trust; - newheader->additional_auth = NULL; - newheader->additional_glue = NULL; - newheader->last_used = now; - newheader->node = rbtnode; - if (rbtversion != NULL) { - newheader->serial = rbtversion->serial; - now = 0; - } else { - newheader->serial = 1; - if ((rdataset->attributes & DNS_RDATASETATTR_NXDOMAIN) != 0) - newheader->attributes |= RDATASET_ATTR_NXDOMAIN; - if ((rdataset->attributes & DNS_RDATASETATTR_NOQNAME) != 0) { - result = addnoqname(rbtdb, newheader, rdataset); - if (result != ISC_R_SUCCESS) { - free_rdataset(rbtdb, rbtdb->common.mctx, - newheader); - return (result); - } - } - } - - /* - * If we're adding a delegation type (e.g. NS or DNAME for a zone, - * just DNAME for the cache), then we need to set the callback bit - * on the node. - */ - if (delegating_type(rbtdb, rbtnode, rdataset->type)) - delegating = ISC_TRUE; - else - delegating = ISC_FALSE; - - /* - * If we're adding a delegation type or the DB is a cache in an overmem - * state, hold an exclusive lock on the tree. In the latter case - * the lock does not necessarily have to be acquired but it will help - * purge stale entries more effectively. - */ - if (delegating || (IS_CACHE(rbtdb) && rbtdb->overmem)) { - tree_locked = ISC_TRUE; - RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); - } - - NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_write); - -#ifdef LRU_DEBUG - /* for debug: statistics update */ - if (IS_CACHE(rbtdb) && rdataset->rdclass == dns_rdataclass_in) { - /* XXX: don't use lock for brevity */ - newheader->attributes |= RDATASET_ATTR_CACHE; - rbtdb->cachestat.cache_total++; - rbtdb->cachestat.cache_current++; - if (rdataset->type == 0) { - rbtdb->cachestat.ncache_total++; - rbtdb->cachestat.ncache_current++; - } - if (rdataset->type == dns_rdatatype_a) { - rbtdb->cachestat.a_total++; - rbtdb->cachestat.a_current++; - } else if (rdataset->type == dns_rdatatype_aaaa) { - rbtdb->cachestat.aaaa_total++; - rbtdb->cachestat.aaaa_current++; - } else if (rdataset->type == dns_rdatatype_ns) { - rbtdb->cachestat.ns_total++; - rbtdb->cachestat.ns_current++; - } else if (rdataset->type == dns_rdatatype_ptr) { - rbtdb->cachestat.ptr_total++; - rbtdb->cachestat.ptr_current++; - } - if (rdataset->trust == dns_trust_glue && - (rdataset->type == dns_rdatatype_a || - rdataset->type == dns_rdatatype_aaaa)) { - rbtdb->cachestat.glue_total++; - rbtdb->cachestat.glue_current++; - } - if (rdataset->trust == dns_trust_additional && - (rdataset->type == dns_rdatatype_a || - rdataset->type == dns_rdatatype_aaaa)) { - rbtdb->cachestat.additional_total++; - rbtdb->cachestat.additional_current++; - } - } -#endif - - if (IS_CACHE(rbtdb)) { - if (tree_locked) - cleanup_dead_nodes(rbtdb, rbtnode->locknum); - check_stale_cache(rbtdb, rbtnode, now, tree_locked); - - /* - * If we've been holding a write lock on the tree just for - * cleaning, we can release it now. However, we still need the - * node lock. - */ - if (tree_locked && !delegating) { - RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); - tree_locked = ISC_FALSE; - } - } - - result = add(rbtdb, rbtnode, rbtversion, newheader, options, ISC_FALSE, - addedrdataset, now); - if (result == ISC_R_SUCCESS && delegating) - rbtnode->find_callback = 1; - - NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_write); - - if (tree_locked) - RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); - - /* - * Update the zone's secure status. If version is non-NULL - * this is defered until closeversion() is called. - */ - if (result == ISC_R_SUCCESS && version == NULL && !IS_CACHE(rbtdb)) - rbtdb->secure = iszonesecure(db, rbtdb->origin_node); - - return (result); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node; + rbtdb_version_t *rbtversion = version; + isc_region_t region; + rdatasetheader_t *newheader; + isc_result_t result; + isc_boolean_t delegating; + isc_boolean_t tree_locked = ISC_FALSE; + + REQUIRE(VALID_RBTDB(rbtdb)); + + if (rbtversion == NULL) { + if (now == 0) + isc_stdtime_get(&now); + } else + now = 0; + + result = dns_rdataslab_fromrdataset(rdataset, rbtdb->common.mctx, + ®ion, + sizeof(rdatasetheader_t)); + if (result != ISC_R_SUCCESS) + return (result); + + newheader = (rdatasetheader_t *)region.base; + init_rdataset(rbtdb, newheader); + set_ttl(rbtdb, newheader, rdataset->ttl + now); + newheader->type = RBTDB_RDATATYPE_VALUE(rdataset->type, + rdataset->covers); + newheader->attributes = 0; + newheader->noqname = NULL; + newheader->count = init_count++; + newheader->trust = rdataset->trust; + newheader->additional_auth = NULL; + newheader->additional_glue = NULL; + newheader->last_used = now; + newheader->node = rbtnode; + if (rbtversion != NULL) { + newheader->serial = rbtversion->serial; + now = 0; + } else { + newheader->serial = 1; + if ((rdataset->attributes & DNS_RDATASETATTR_NXDOMAIN) != 0) + newheader->attributes |= RDATASET_ATTR_NXDOMAIN; + if ((rdataset->attributes & DNS_RDATASETATTR_NOQNAME) != 0) { + result = addnoqname(rbtdb, newheader, rdataset); + if (result != ISC_R_SUCCESS) { + free_rdataset(rbtdb, rbtdb->common.mctx, + newheader); + return (result); + } + } + } + + /* + * If we're adding a delegation type (e.g. NS or DNAME for a zone, + * just DNAME for the cache), then we need to set the callback bit + * on the node. + */ + if (delegating_type(rbtdb, rbtnode, rdataset->type)) + delegating = ISC_TRUE; + else + delegating = ISC_FALSE; + + /* + * If we're adding a delegation type or the DB is a cache in an overmem + * state, hold an exclusive lock on the tree. In the latter case + * the lock does not necessarily have to be acquired but it will help + * purge stale entries more effectively. + */ + if (delegating || (IS_CACHE(rbtdb) && rbtdb->overmem)) { + tree_locked = ISC_TRUE; + RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); + } + + NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_write); + + if (rbtdb->rrsetstats != NULL) { + newheader->attributes |= RDATASET_ATTR_STATCOUNT; + update_rrsetstats(rbtdb, newheader, ISC_TRUE); + } + + if (IS_CACHE(rbtdb)) { + if (tree_locked) + cleanup_dead_nodes(rbtdb, rbtnode->locknum); + check_stale_cache(rbtdb, rbtnode, now, tree_locked); + + /* + * If we've been holding a write lock on the tree just for + * cleaning, we can release it now. However, we still need the + * node lock. + */ + if (tree_locked && !delegating) { + RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); + tree_locked = ISC_FALSE; + } + } + + result = add(rbtdb, rbtnode, rbtversion, newheader, options, ISC_FALSE, + addedrdataset, now); + if (result == ISC_R_SUCCESS && delegating) + rbtnode->find_callback = 1; + + NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_write); + + if (tree_locked) + RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); + + /* + * Update the zone's secure status. If version is non-NULL + * this is defered until closeversion() is called. + */ + if (result == ISC_R_SUCCESS && version == NULL && !IS_CACHE(rbtdb)) + rbtdb->secure = iszonesecure(db, rbtdb->origin_node); + + return (result); } static isc_result_t subtractrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, - dns_rdataset_t *rdataset, unsigned int options, - dns_rdataset_t *newrdataset) + dns_rdataset_t *rdataset, unsigned int options, + dns_rdataset_t *newrdataset) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node; - rbtdb_version_t *rbtversion = version; - rdatasetheader_t *topheader, *topheader_prev, *header, *newheader; - unsigned char *subresult; - isc_region_t region; - isc_result_t result; - rbtdb_changed_t *changed; - - REQUIRE(VALID_RBTDB(rbtdb)); - - result = dns_rdataslab_fromrdataset(rdataset, rbtdb->common.mctx, - ®ion, - sizeof(rdatasetheader_t)); - if (result != ISC_R_SUCCESS) - return (result); - newheader = (rdatasetheader_t *)region.base; - init_rdataset(rbtdb, newheader); - set_ttl(rbtdb, newheader, rdataset->ttl); - newheader->type = RBTDB_RDATATYPE_VALUE(rdataset->type, - rdataset->covers); - newheader->attributes = 0; - newheader->serial = rbtversion->serial; - newheader->trust = 0; - newheader->noqname = NULL; - newheader->count = init_count++; - newheader->additional_auth = NULL; - newheader->additional_glue = NULL; - newheader->last_used = 0; - newheader->node = rbtnode; - - NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_write); - - changed = add_changed(rbtdb, rbtversion, rbtnode); - if (changed == NULL) { - free_rdataset(rbtdb, rbtdb->common.mctx, newheader); - NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_write); - return (ISC_R_NOMEMORY); - } - - topheader_prev = NULL; - for (topheader = rbtnode->data; - topheader != NULL; - topheader = topheader->next) { - if (topheader->type == newheader->type) - break; - topheader_prev = topheader; - } - /* - * If header isn't NULL, we've found the right type. There may be - * IGNORE rdatasets between the top of the chain and the first real - * data. We skip over them. - */ - header = topheader; - while (header != NULL && IGNORE(header)) - header = header->down; - if (header != NULL && EXISTS(header)) { - unsigned int flags = 0; - subresult = NULL; - result = ISC_R_SUCCESS; - if ((options & DNS_DBSUB_EXACT) != 0) { - flags |= DNS_RDATASLAB_EXACT; - if (newheader->rdh_ttl != header->rdh_ttl) - result = DNS_R_NOTEXACT; - } - if (result == ISC_R_SUCCESS) - result = dns_rdataslab_subtract( - (unsigned char *)header, - (unsigned char *)newheader, - (unsigned int)(sizeof(*newheader)), - rbtdb->common.mctx, - rbtdb->common.rdclass, - (dns_rdatatype_t)header->type, - flags, &subresult); - if (result == ISC_R_SUCCESS) { - free_rdataset(rbtdb, rbtdb->common.mctx, newheader); - newheader = (rdatasetheader_t *)subresult; - /* - * We have to set the serial since the rdataslab - * subtraction routine copies the reserved portion of - * header, not newheader. - */ - newheader->serial = rbtversion->serial; - /* - * XXXJT: dns_rdataslab_subtract() copied the pointers - * to additional info. We need to clear these fields - * to avoid having duplicated references. - */ - newheader->additional_auth = NULL; - newheader->additional_glue = NULL; - } else if (result == DNS_R_NXRRSET) { - /* - * This subtraction would remove all of the rdata; - * add a nonexistent header instead. - */ - free_rdataset(rbtdb, rbtdb->common.mctx, newheader); - newheader = new_rdataset(rbtdb, rbtdb->common.mctx); - if (newheader == NULL) { - result = ISC_R_NOMEMORY; - goto unlock; - } - set_ttl(rbtdb, newheader, 0); - newheader->type = topheader->type; - newheader->attributes = RDATASET_ATTR_NONEXISTENT; - newheader->trust = 0; - newheader->serial = rbtversion->serial; - newheader->noqname = NULL; - newheader->count = 0; - newheader->additional_auth = NULL; - newheader->additional_glue = NULL; - } else { - free_rdataset(rbtdb, rbtdb->common.mctx, newheader); - goto unlock; - } - - /* - * If we're here, we want to link newheader in front of - * topheader. - */ - INSIST(rbtversion->serial >= topheader->serial); - if (topheader_prev != NULL) - topheader_prev->next = newheader; - else - rbtnode->data = newheader; - newheader->next = topheader->next; - newheader->down = topheader; - topheader->next = newheader; - rbtnode->dirty = 1; - changed->dirty = ISC_TRUE; - } else { - /* - * The rdataset doesn't exist, so we don't need to do anything - * to satisfy the deletion request. - */ - free_rdataset(rbtdb, rbtdb->common.mctx, newheader); - if ((options & DNS_DBSUB_EXACT) != 0) - result = DNS_R_NOTEXACT; - else - result = DNS_R_UNCHANGED; - } - - if (result == ISC_R_SUCCESS && newrdataset != NULL) - bind_rdataset(rbtdb, rbtnode, newheader, 0, newrdataset); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node; + rbtdb_version_t *rbtversion = version; + rdatasetheader_t *topheader, *topheader_prev, *header, *newheader; + unsigned char *subresult; + isc_region_t region; + isc_result_t result; + rbtdb_changed_t *changed; + + REQUIRE(VALID_RBTDB(rbtdb)); + + result = dns_rdataslab_fromrdataset(rdataset, rbtdb->common.mctx, + ®ion, + sizeof(rdatasetheader_t)); + if (result != ISC_R_SUCCESS) + return (result); + newheader = (rdatasetheader_t *)region.base; + init_rdataset(rbtdb, newheader); + set_ttl(rbtdb, newheader, rdataset->ttl); + newheader->type = RBTDB_RDATATYPE_VALUE(rdataset->type, + rdataset->covers); + newheader->attributes = 0; + newheader->serial = rbtversion->serial; + newheader->trust = 0; + newheader->noqname = NULL; + newheader->count = init_count++; + newheader->additional_auth = NULL; + newheader->additional_glue = NULL; + newheader->last_used = 0; + newheader->node = rbtnode; + + NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_write); + + changed = add_changed(rbtdb, rbtversion, rbtnode); + if (changed == NULL) { + free_rdataset(rbtdb, rbtdb->common.mctx, newheader); + NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_write); + return (ISC_R_NOMEMORY); + } + + topheader_prev = NULL; + for (topheader = rbtnode->data; + topheader != NULL; + topheader = topheader->next) { + if (topheader->type == newheader->type) + break; + topheader_prev = topheader; + } + /* + * If header isn't NULL, we've found the right type. There may be + * IGNORE rdatasets between the top of the chain and the first real + * data. We skip over them. + */ + header = topheader; + while (header != NULL && IGNORE(header)) + header = header->down; + if (header != NULL && EXISTS(header)) { + unsigned int flags = 0; + subresult = NULL; + result = ISC_R_SUCCESS; + if ((options & DNS_DBSUB_EXACT) != 0) { + flags |= DNS_RDATASLAB_EXACT; + if (newheader->rdh_ttl != header->rdh_ttl) + result = DNS_R_NOTEXACT; + } + if (result == ISC_R_SUCCESS) + result = dns_rdataslab_subtract( + (unsigned char *)header, + (unsigned char *)newheader, + (unsigned int)(sizeof(*newheader)), + rbtdb->common.mctx, + rbtdb->common.rdclass, + (dns_rdatatype_t)header->type, + flags, &subresult); + if (result == ISC_R_SUCCESS) { + free_rdataset(rbtdb, rbtdb->common.mctx, newheader); + newheader = (rdatasetheader_t *)subresult; + /* + * We have to set the serial since the rdataslab + * subtraction routine copies the reserved portion of + * header, not newheader. + */ + newheader->serial = rbtversion->serial; + /* + * XXXJT: dns_rdataslab_subtract() copied the pointers + * to additional info. We need to clear these fields + * to avoid having duplicated references. + */ + newheader->additional_auth = NULL; + newheader->additional_glue = NULL; + } else if (result == DNS_R_NXRRSET) { + /* + * This subtraction would remove all of the rdata; + * add a nonexistent header instead. + */ + free_rdataset(rbtdb, rbtdb->common.mctx, newheader); + newheader = new_rdataset(rbtdb, rbtdb->common.mctx); + if (newheader == NULL) { + result = ISC_R_NOMEMORY; + goto unlock; + } + set_ttl(rbtdb, newheader, 0); + newheader->type = topheader->type; + newheader->attributes = RDATASET_ATTR_NONEXISTENT; + newheader->trust = 0; + newheader->serial = rbtversion->serial; + newheader->noqname = NULL; + newheader->count = 0; + newheader->additional_auth = NULL; + newheader->additional_glue = NULL; + newheader->node = rbtnode; + newheader->last_used = 0; + } else { + free_rdataset(rbtdb, rbtdb->common.mctx, newheader); + goto unlock; + } + + /* + * If we're here, we want to link newheader in front of + * topheader. + */ + INSIST(rbtversion->serial >= topheader->serial); + if (topheader_prev != NULL) + topheader_prev->next = newheader; + else + rbtnode->data = newheader; + newheader->next = topheader->next; + newheader->down = topheader; + topheader->next = newheader; + rbtnode->dirty = 1; + changed->dirty = ISC_TRUE; + } else { + /* + * The rdataset doesn't exist, so we don't need to do anything + * to satisfy the deletion request. + */ + free_rdataset(rbtdb, rbtdb->common.mctx, newheader); + if ((options & DNS_DBSUB_EXACT) != 0) + result = DNS_R_NOTEXACT; + else + result = DNS_R_UNCHANGED; + } + + if (result == ISC_R_SUCCESS && newrdataset != NULL) + bind_rdataset(rbtdb, rbtnode, newheader, 0, newrdataset); unlock: - NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_write); + NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_write); - /* - * Update the zone's secure status. If version is non-NULL - * this is defered until closeversion() is called. - */ - if (result == ISC_R_SUCCESS && version == NULL && !IS_CACHE(rbtdb)) - rbtdb->secure = iszonesecure(db, rbtdb->origin_node); + /* + * Update the zone's secure status. If version is non-NULL + * this is defered until closeversion() is called. + */ + if (result == ISC_R_SUCCESS && version == NULL && !IS_CACHE(rbtdb)) + rbtdb->secure = iszonesecure(db, rbtdb->origin_node); - return (result); + return (result); } static isc_result_t deleterdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version, - dns_rdatatype_t type, dns_rdatatype_t covers) + dns_rdatatype_t type, dns_rdatatype_t covers) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node; - rbtdb_version_t *rbtversion = version; - isc_result_t result; - rdatasetheader_t *newheader; - - REQUIRE(VALID_RBTDB(rbtdb)); - - if (type == dns_rdatatype_any) - return (ISC_R_NOTIMPLEMENTED); - if (type == dns_rdatatype_rrsig && covers == 0) - return (ISC_R_NOTIMPLEMENTED); - - newheader = new_rdataset(rbtdb, rbtdb->common.mctx); - if (newheader == NULL) - return (ISC_R_NOMEMORY); - set_ttl(rbtdb, newheader, 0); - newheader->type = RBTDB_RDATATYPE_VALUE(type, covers); - newheader->attributes = RDATASET_ATTR_NONEXISTENT; - newheader->trust = 0; - newheader->noqname = NULL; - newheader->additional_auth = NULL; - newheader->additional_glue = NULL; - if (rbtversion != NULL) - newheader->serial = rbtversion->serial; - else - newheader->serial = 0; - newheader->count = 0; - newheader->last_used = 0; - newheader->node = rbtnode; - - NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_write); - - result = add(rbtdb, rbtnode, rbtversion, newheader, DNS_DBADD_FORCE, - ISC_FALSE, NULL, 0); - - NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_write); - - /* - * Update the zone's secure status. If version is non-NULL - * this is defered until closeversion() is called. - */ - if (result == ISC_R_SUCCESS && version == NULL && !IS_CACHE(rbtdb)) - rbtdb->secure = iszonesecure(db, rbtdb->origin_node); - - return (result); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node; + rbtdb_version_t *rbtversion = version; + isc_result_t result; + rdatasetheader_t *newheader; + + REQUIRE(VALID_RBTDB(rbtdb)); + + if (type == dns_rdatatype_any) + return (ISC_R_NOTIMPLEMENTED); + if (type == dns_rdatatype_rrsig && covers == 0) + return (ISC_R_NOTIMPLEMENTED); + + newheader = new_rdataset(rbtdb, rbtdb->common.mctx); + if (newheader == NULL) + return (ISC_R_NOMEMORY); + set_ttl(rbtdb, newheader, 0); + newheader->type = RBTDB_RDATATYPE_VALUE(type, covers); + newheader->attributes = RDATASET_ATTR_NONEXISTENT; + newheader->trust = 0; + newheader->noqname = NULL; + newheader->additional_auth = NULL; + newheader->additional_glue = NULL; + if (rbtversion != NULL) + newheader->serial = rbtversion->serial; + else + newheader->serial = 0; + newheader->count = 0; + newheader->last_used = 0; + newheader->node = rbtnode; + + NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_write); + + result = add(rbtdb, rbtnode, rbtversion, newheader, DNS_DBADD_FORCE, + ISC_FALSE, NULL, 0); + + NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_write); + + /* + * Update the zone's secure status. If version is non-NULL + * this is defered until closeversion() is called. + */ + if (result == ISC_R_SUCCESS && version == NULL && !IS_CACHE(rbtdb)) + rbtdb->secure = iszonesecure(db, rbtdb->origin_node); + + return (result); } static isc_result_t loading_addrdataset(void *arg, dns_name_t *name, dns_rdataset_t *rdataset) { - rbtdb_load_t *loadctx = arg; - dns_rbtdb_t *rbtdb = loadctx->rbtdb; - dns_rbtnode_t *node; - isc_result_t result; - isc_region_t region; - rdatasetheader_t *newheader; - - /* - * This routine does no node locking. See comments in - * 'load' below for more information on loading and - * locking. - */ - - - /* - * SOA records are only allowed at top of zone. - */ - if (rdataset->type == dns_rdatatype_soa && - !IS_CACHE(rbtdb) && !dns_name_equal(name, &rbtdb->common.origin)) - return (DNS_R_NOTZONETOP); - - add_empty_wildcards(rbtdb, name); - - if (dns_name_iswildcard(name)) { - /* - * NS record owners cannot legally be wild cards. - */ - if (rdataset->type == dns_rdatatype_ns) - return (DNS_R_INVALIDNS); - result = add_wildcard_magic(rbtdb, name); - if (result != ISC_R_SUCCESS) - return (result); - } - - node = NULL; - result = dns_rbt_addnode(rbtdb->tree, name, &node); - if (result != ISC_R_SUCCESS && result != ISC_R_EXISTS) - return (result); - if (result != ISC_R_EXISTS) { - dns_name_t foundname; - dns_name_init(&foundname, NULL); - dns_rbt_namefromnode(node, &foundname); + rbtdb_load_t *loadctx = arg; + dns_rbtdb_t *rbtdb = loadctx->rbtdb; + dns_rbtnode_t *node; + isc_result_t result; + isc_region_t region; + rdatasetheader_t *newheader; + + /* + * This routine does no node locking. See comments in + * 'load' below for more information on loading and + * locking. + */ + + + /* + * SOA records are only allowed at top of zone. + */ + if (rdataset->type == dns_rdatatype_soa && + !IS_CACHE(rbtdb) && !dns_name_equal(name, &rbtdb->common.origin)) + return (DNS_R_NOTZONETOP); + + add_empty_wildcards(rbtdb, name); + + if (dns_name_iswildcard(name)) { + /* + * NS record owners cannot legally be wild cards. + */ + if (rdataset->type == dns_rdatatype_ns) + return (DNS_R_INVALIDNS); + result = add_wildcard_magic(rbtdb, name); + if (result != ISC_R_SUCCESS) + return (result); + } + + node = NULL; + result = dns_rbt_addnode(rbtdb->tree, name, &node); + if (result != ISC_R_SUCCESS && result != ISC_R_EXISTS) + return (result); + if (result != ISC_R_EXISTS) { + dns_name_t foundname; + dns_name_init(&foundname, NULL); + dns_rbt_namefromnode(node, &foundname); #ifdef DNS_RBT_USEHASH - node->locknum = node->hashval % rbtdb->node_lock_count; + node->locknum = node->hashval % rbtdb->node_lock_count; #else - node->locknum = dns_name_hash(&foundname, ISC_TRUE) % - rbtdb->node_lock_count; + node->locknum = dns_name_hash(&foundname, ISC_TRUE) % + rbtdb->node_lock_count; #endif - } - - result = dns_rdataslab_fromrdataset(rdataset, rbtdb->common.mctx, - ®ion, - sizeof(rdatasetheader_t)); - if (result != ISC_R_SUCCESS) - return (result); - newheader = (rdatasetheader_t *)region.base; - init_rdataset(rbtdb, newheader); - set_ttl(rbtdb, newheader, - rdataset->ttl + loadctx->now); /* XXX overflow check */ - newheader->type = RBTDB_RDATATYPE_VALUE(rdataset->type, - rdataset->covers); - newheader->attributes = 0; - newheader->trust = rdataset->trust; - newheader->serial = 1; - newheader->noqname = NULL; - newheader->count = init_count++; - newheader->additional_auth = NULL; - newheader->additional_glue = NULL; - /* won't be used, but initialize anyway */ - newheader->last_used = 0; - newheader->node = node; - - result = add(rbtdb, node, rbtdb->current_version, newheader, - DNS_DBADD_MERGE, ISC_TRUE, NULL, 0); - if (result == ISC_R_SUCCESS && - delegating_type(rbtdb, node, rdataset->type)) - node->find_callback = 1; - else if (result == DNS_R_UNCHANGED) - result = ISC_R_SUCCESS; - - return (result); + } + + result = dns_rdataslab_fromrdataset(rdataset, rbtdb->common.mctx, + ®ion, + sizeof(rdatasetheader_t)); + if (result != ISC_R_SUCCESS) + return (result); + newheader = (rdatasetheader_t *)region.base; + init_rdataset(rbtdb, newheader); + set_ttl(rbtdb, newheader, + rdataset->ttl + loadctx->now); /* XXX overflow check */ + newheader->type = RBTDB_RDATATYPE_VALUE(rdataset->type, + rdataset->covers); + newheader->attributes = 0; + newheader->trust = rdataset->trust; + newheader->serial = 1; + newheader->noqname = NULL; + newheader->count = init_count++; + newheader->additional_auth = NULL; + newheader->additional_glue = NULL; + /* won't be used, but initialize anyway */ + newheader->last_used = 0; + newheader->node = node; + + result = add(rbtdb, node, rbtdb->current_version, newheader, + DNS_DBADD_MERGE, ISC_TRUE, NULL, 0); + if (result == ISC_R_SUCCESS && + delegating_type(rbtdb, node, rdataset->type)) + node->find_callback = 1; + else if (result == DNS_R_UNCHANGED) + result = ISC_R_SUCCESS; + + return (result); } static isc_result_t beginload(dns_db_t *db, dns_addrdatasetfunc_t *addp, dns_dbload_t **dbloadp) { - rbtdb_load_t *loadctx; - dns_rbtdb_t *rbtdb; + rbtdb_load_t *loadctx; + dns_rbtdb_t *rbtdb; - rbtdb = (dns_rbtdb_t *)db; + rbtdb = (dns_rbtdb_t *)db; - REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(VALID_RBTDB(rbtdb)); - loadctx = isc_mem_get(rbtdb->common.mctx, sizeof(*loadctx)); - if (loadctx == NULL) - return (ISC_R_NOMEMORY); + loadctx = isc_mem_get(rbtdb->common.mctx, sizeof(*loadctx)); + if (loadctx == NULL) + return (ISC_R_NOMEMORY); - loadctx->rbtdb = rbtdb; - if (IS_CACHE(rbtdb)) - isc_stdtime_get(&loadctx->now); - else - loadctx->now = 0; + loadctx->rbtdb = rbtdb; + if (IS_CACHE(rbtdb)) + isc_stdtime_get(&loadctx->now); + else + loadctx->now = 0; - RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); + RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); - REQUIRE((rbtdb->attributes & (RBTDB_ATTR_LOADED|RBTDB_ATTR_LOADING)) - == 0); - rbtdb->attributes |= RBTDB_ATTR_LOADING; + REQUIRE((rbtdb->attributes & (RBTDB_ATTR_LOADED|RBTDB_ATTR_LOADING)) + == 0); + rbtdb->attributes |= RBTDB_ATTR_LOADING; - RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); + RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); - *addp = loading_addrdataset; - *dbloadp = loadctx; + *addp = loading_addrdataset; + *dbloadp = loadctx; - return (ISC_R_SUCCESS); + return (ISC_R_SUCCESS); } static isc_result_t endload(dns_db_t *db, dns_dbload_t **dbloadp) { - rbtdb_load_t *loadctx; - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + rbtdb_load_t *loadctx; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - REQUIRE(VALID_RBTDB(rbtdb)); - REQUIRE(dbloadp != NULL); - loadctx = *dbloadp; - REQUIRE(loadctx->rbtdb == rbtdb); + REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(dbloadp != NULL); + loadctx = *dbloadp; + REQUIRE(loadctx->rbtdb == rbtdb); - RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); + RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); - REQUIRE((rbtdb->attributes & RBTDB_ATTR_LOADING) != 0); - REQUIRE((rbtdb->attributes & RBTDB_ATTR_LOADED) == 0); + REQUIRE((rbtdb->attributes & RBTDB_ATTR_LOADING) != 0); + REQUIRE((rbtdb->attributes & RBTDB_ATTR_LOADED) == 0); - rbtdb->attributes &= ~RBTDB_ATTR_LOADING; - rbtdb->attributes |= RBTDB_ATTR_LOADED; + rbtdb->attributes &= ~RBTDB_ATTR_LOADING; + rbtdb->attributes |= RBTDB_ATTR_LOADED; - RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); + RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); - /* - * If there's a KEY rdataset at the zone origin containing a - * zone key, we consider the zone secure. - */ - if (! IS_CACHE(rbtdb)) - rbtdb->secure = iszonesecure(db, rbtdb->origin_node); + /* + * If there's a KEY rdataset at the zone origin containing a + * zone key, we consider the zone secure. + */ + if (! IS_CACHE(rbtdb)) + rbtdb->secure = iszonesecure(db, rbtdb->origin_node); - *dbloadp = NULL; + *dbloadp = NULL; - isc_mem_put(rbtdb->common.mctx, loadctx, sizeof(*loadctx)); + isc_mem_put(rbtdb->common.mctx, loadctx, sizeof(*loadctx)); - return (ISC_R_SUCCESS); + return (ISC_R_SUCCESS); } static isc_result_t dump(dns_db_t *db, dns_dbversion_t *version, const char *filename, dns_masterformat_t masterformat) { - dns_rbtdb_t *rbtdb; + dns_rbtdb_t *rbtdb; - rbtdb = (dns_rbtdb_t *)db; + rbtdb = (dns_rbtdb_t *)db; - REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(VALID_RBTDB(rbtdb)); - return (dns_master_dump2(rbtdb->common.mctx, db, version, - &dns_master_style_default, - filename, masterformat)); + return (dns_master_dump2(rbtdb->common.mctx, db, version, + &dns_master_style_default, + filename, masterformat)); } static void delete_callback(void *data, void *arg) { - dns_rbtdb_t *rbtdb = arg; - rdatasetheader_t *current, *next; + dns_rbtdb_t *rbtdb = arg; + rdatasetheader_t *current, *next; - for (current = data; current != NULL; current = next) { - next = current->next; - free_rdataset(rbtdb, rbtdb->common.mctx, current); - } + for (current = data; current != NULL; current = next) { + next = current->next; + free_rdataset(rbtdb, rbtdb->common.mctx, current); + } } static isc_boolean_t issecure(dns_db_t *db) { - dns_rbtdb_t *rbtdb; - isc_boolean_t secure; + dns_rbtdb_t *rbtdb; + isc_boolean_t secure; - rbtdb = (dns_rbtdb_t *)db; + rbtdb = (dns_rbtdb_t *)db; - REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(VALID_RBTDB(rbtdb)); - RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); - secure = rbtdb->secure; - RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); + RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); + secure = rbtdb->secure; + RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); - return (secure); + return (secure); } static unsigned int nodecount(dns_db_t *db) { - dns_rbtdb_t *rbtdb; - unsigned int count; + dns_rbtdb_t *rbtdb; + unsigned int count; - rbtdb = (dns_rbtdb_t *)db; + rbtdb = (dns_rbtdb_t *)db; - REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(VALID_RBTDB(rbtdb)); - RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); - count = dns_rbt_nodecount(rbtdb->tree); - RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); + RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); + count = dns_rbt_nodecount(rbtdb->tree); + RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); - return (count); + return (count); } static void settask(dns_db_t *db, isc_task_t *task) { - dns_rbtdb_t *rbtdb; + dns_rbtdb_t *rbtdb; - rbtdb = (dns_rbtdb_t *)db; + rbtdb = (dns_rbtdb_t *)db; - REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(VALID_RBTDB(rbtdb)); - RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); - if (rbtdb->task != NULL) - isc_task_detach(&rbtdb->task); - if (task != NULL) - isc_task_attach(task, &rbtdb->task); - RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); + RBTDB_LOCK(&rbtdb->lock, isc_rwlocktype_write); + if (rbtdb->task != NULL) + isc_task_detach(&rbtdb->task); + if (task != NULL) + isc_task_attach(task, &rbtdb->task); + RBTDB_UNLOCK(&rbtdb->lock, isc_rwlocktype_write); } static isc_boolean_t ispersistent(dns_db_t *db) { - UNUSED(db); - return (ISC_FALSE); + UNUSED(db); + return (ISC_FALSE); } static isc_result_t getoriginnode(dns_db_t *db, dns_dbnode_t **nodep) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; - dns_rbtnode_t *onode; - isc_result_t result = ISC_R_SUCCESS; - - REQUIRE(VALID_RBTDB(rbtdb)); - REQUIRE(nodep != NULL && *nodep == NULL); - - /* Note that the access to origin_node doesn't require a DB lock */ - onode = (dns_rbtnode_t *)rbtdb->origin_node; - if (onode != NULL) { - NODE_STRONGLOCK(&rbtdb->node_locks[onode->locknum].lock); - new_reference(rbtdb, onode); - NODE_STRONGUNLOCK(&rbtdb->node_locks[onode->locknum].lock); - - *nodep = rbtdb->origin_node; - } else { - INSIST(!IS_CACHE(rbtdb)); - result = ISC_R_NOTFOUND; - } - - return (result); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + dns_rbtnode_t *onode; + isc_result_t result = ISC_R_SUCCESS; + + REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(nodep != NULL && *nodep == NULL); + + /* Note that the access to origin_node doesn't require a DB lock */ + onode = (dns_rbtnode_t *)rbtdb->origin_node; + if (onode != NULL) { + NODE_STRONGLOCK(&rbtdb->node_locks[onode->locknum].lock); + new_reference(rbtdb, onode); + NODE_STRONGUNLOCK(&rbtdb->node_locks[onode->locknum].lock); + + *nodep = rbtdb->origin_node; + } else { + INSIST(!IS_CACHE(rbtdb)); + result = ISC_R_NOTFOUND; + } + + return (result); +} + +static dns_stats_t * +getrrsetstats(dns_db_t *db) { + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)db; + + REQUIRE(VALID_RBTDB(rbtdb)); + REQUIRE(IS_CACHE(rbtdb)); /* current restriction */ + + return (rbtdb->rrsetstats); } static dns_dbmethods_t zone_methods = { - attach, - detach, - beginload, - endload, - dump, - currentversion, - newversion, - attachversion, - closeversion, - findnode, - zone_find, - zone_findzonecut, - attachnode, - detachnode, - expirenode, - printnode, - createiterator, - zone_findrdataset, - allrdatasets, - addrdataset, - subtractrdataset, - deleterdataset, - issecure, - nodecount, - ispersistent, - overmem, - settask, - getoriginnode, - NULL, + attach, + detach, + beginload, + endload, + dump, + currentversion, + newversion, + attachversion, + closeversion, + findnode, + zone_find, + zone_findzonecut, + attachnode, + detachnode, + expirenode, + printnode, + createiterator, + zone_findrdataset, + allrdatasets, + addrdataset, + subtractrdataset, + deleterdataset, + issecure, + nodecount, + ispersistent, + overmem, + settask, + getoriginnode, + NULL, + NULL }; static dns_dbmethods_t cache_methods = { - attach, - detach, - beginload, - endload, - dump, - currentversion, - newversion, - attachversion, - closeversion, - findnode, - cache_find, - cache_findzonecut, - attachnode, - detachnode, - expirenode, - printnode, - createiterator, - cache_findrdataset, - allrdatasets, - addrdataset, - subtractrdataset, - deleterdataset, - issecure, - nodecount, - ispersistent, - overmem, - settask, - getoriginnode, - NULL + attach, + detach, + beginload, + endload, + dump, + currentversion, + newversion, + attachversion, + closeversion, + findnode, + cache_find, + cache_findzonecut, + attachnode, + detachnode, + expirenode, + printnode, + createiterator, + cache_findrdataset, + allrdatasets, + addrdataset, + subtractrdataset, + deleterdataset, + issecure, + nodecount, + ispersistent, + overmem, + settask, + getoriginnode, + NULL, + getrrsetstats }; isc_result_t @@ -6087,263 +5913,268 @@ dns_rbtdb64_create #else dns_rbtdb_create #endif - (isc_mem_t *mctx, dns_name_t *origin, dns_dbtype_t type, - dns_rdataclass_t rdclass, unsigned int argc, char *argv[], - void *driverarg, dns_db_t **dbp) + (isc_mem_t *mctx, dns_name_t *origin, dns_dbtype_t type, + dns_rdataclass_t rdclass, unsigned int argc, char *argv[], + void *driverarg, dns_db_t **dbp) { - dns_rbtdb_t *rbtdb; - isc_result_t result; - int i; - dns_name_t name; - - /* Keep the compiler happy. */ - UNUSED(argc); - UNUSED(argv); - UNUSED(driverarg); - - rbtdb = isc_mem_get(mctx, sizeof(*rbtdb)); - if (rbtdb == NULL) - return (ISC_R_NOMEMORY); - - memset(rbtdb, '\0', sizeof(*rbtdb)); - dns_name_init(&rbtdb->common.origin, NULL); - rbtdb->common.attributes = 0; - if (type == dns_dbtype_cache) { - rbtdb->common.methods = &cache_methods; - rbtdb->common.attributes |= DNS_DBATTR_CACHE; - } else if (type == dns_dbtype_stub) { - rbtdb->common.methods = &zone_methods; - rbtdb->common.attributes |= DNS_DBATTR_STUB; - } else - rbtdb->common.methods = &zone_methods; - rbtdb->common.rdclass = rdclass; - rbtdb->common.mctx = NULL; - - result = RBTDB_INITLOCK(&rbtdb->lock); - if (result != ISC_R_SUCCESS) - goto cleanup_rbtdb; - - result = isc_rwlock_init(&rbtdb->tree_lock, 0, 0); - if (result != ISC_R_SUCCESS) - goto cleanup_lock; - - if (rbtdb->node_lock_count == 0) { - if (IS_CACHE(rbtdb)) - rbtdb->node_lock_count = DEFAULT_CACHE_NODE_LOCK_COUNT; - else - rbtdb->node_lock_count = DEFAULT_NODE_LOCK_COUNT; - } - INSIST(rbtdb->node_lock_count < (1 << DNS_RBT_LOCKLENGTH)); - rbtdb->node_locks = isc_mem_get(mctx, rbtdb->node_lock_count * - sizeof(rbtdb_nodelock_t)); - if (rbtdb->node_locks == NULL) { - result = ISC_R_NOMEMORY; - goto cleanup_tree_lock; - } - - if (IS_CACHE(rbtdb)) { - rbtdb->rdatasets = isc_mem_get(mctx, rbtdb->node_lock_count * - sizeof(rdatasetheaderlist_t)); - if (rbtdb->rdatasets == NULL) { - result = ISC_R_NOMEMORY; - goto cleanup_node_locks; - } - for (i = 0; i < (int)rbtdb->node_lock_count; i++) - ISC_LIST_INIT(rbtdb->rdatasets[i]); - - rbtdb->deadnodes = isc_mem_get(mctx, rbtdb->node_lock_count * - sizeof(rbtnodelist_t)); - if (rbtdb->deadnodes == NULL) { - result = ISC_R_NOMEMORY; - goto cleanup_rdatasets; - } - for (i = 0; i < (int)rbtdb->node_lock_count; i++) - ISC_LIST_INIT(rbtdb->deadnodes[i]); - - /* - * Create the heaps. - */ - rbtdb->heaps = isc_mem_get(mctx, rbtdb->node_lock_count * - sizeof(isc_heap_t *)); - if (rbtdb->heaps == NULL) { - result = ISC_R_NOMEMORY; - goto cleanup_deadnodes; - } - for (i = 0; i < (int)rbtdb->node_lock_count; i++) - rbtdb->heaps[i] = NULL; - for (i = 0; i < (int)rbtdb->node_lock_count; i++) { - result = isc_heap_create(mctx, ttl_sooner, - ttl_set_index, 0, - &rbtdb->heaps[i]); - if (result != ISC_R_SUCCESS) - goto cleanup_heaps; - } - } else { - rbtdb->rdatasets = NULL; - rbtdb->deadnodes = NULL; - rbtdb->heaps = NULL; - } - - rbtdb->active = rbtdb->node_lock_count; - - for (i = 0; i < (int)(rbtdb->node_lock_count); i++) { - result = NODE_INITLOCK(&rbtdb->node_locks[i].lock); - if (result == ISC_R_SUCCESS) { - result = isc_refcount_init(&rbtdb->node_locks[i].references, 0); - if (result != ISC_R_SUCCESS) - NODE_DESTROYLOCK(&rbtdb->node_locks[i].lock); - } - if (result != ISC_R_SUCCESS) { - while (i-- > 0) { - NODE_DESTROYLOCK(&rbtdb->node_locks[i].lock); - isc_refcount_decrement(&rbtdb->node_locks[i].references, NULL); - isc_refcount_destroy(&rbtdb->node_locks[i].references); - } - goto cleanup_heaps; - } - rbtdb->node_locks[i].exiting = ISC_FALSE; - } - - /* - * Attach to the mctx. The database will persist so long as there - * are references to it, and attaching to the mctx ensures that our - * mctx won't disappear out from under us. - */ - isc_mem_attach(mctx, &rbtdb->common.mctx); - - /* - * Must be initalized before free_rbtdb() is called. - */ - isc_ondestroy_init(&rbtdb->common.ondest); - - /* - * Make a copy of the origin name. - */ - result = dns_name_dupwithoffsets(origin, mctx, &rbtdb->common.origin); - if (result != ISC_R_SUCCESS) { - free_rbtdb(rbtdb, ISC_FALSE, NULL); - return (result); - } - - /* - * Make the Red-Black Tree. - */ - result = dns_rbt_create(mctx, delete_callback, rbtdb, &rbtdb->tree); - if (result != ISC_R_SUCCESS) { - free_rbtdb(rbtdb, ISC_FALSE, NULL); - return (result); - } - /* - * In order to set the node callback bit correctly in zone databases, - * we need to know if the node has the origin name of the zone. - * In loading_addrdataset() we could simply compare the new name - * to the origin name, but this is expensive. Also, we don't know the - * node name in addrdataset(), so we need another way of knowing the - * zone's top. - * - * We now explicitly create a node for the zone's origin, and then - * we simply remember the node's address. This is safe, because - * the top-of-zone node can never be deleted, nor can its address - * change. - */ - if (!IS_CACHE(rbtdb)) { - rbtdb->origin_node = NULL; - result = dns_rbt_addnode(rbtdb->tree, &rbtdb->common.origin, - &rbtdb->origin_node); - if (result != ISC_R_SUCCESS) { - INSIST(result != ISC_R_EXISTS); - free_rbtdb(rbtdb, ISC_FALSE, NULL); - return (result); - } - /* - * We need to give the origin node the right locknum. - */ - dns_name_init(&name, NULL); - dns_rbt_namefromnode(rbtdb->origin_node, &name); + dns_rbtdb_t *rbtdb; + isc_result_t result; + int i; + dns_name_t name; + + /* Keep the compiler happy. */ + UNUSED(argc); + UNUSED(argv); + UNUSED(driverarg); + + rbtdb = isc_mem_get(mctx, sizeof(*rbtdb)); + if (rbtdb == NULL) + return (ISC_R_NOMEMORY); + + memset(rbtdb, '\0', sizeof(*rbtdb)); + dns_name_init(&rbtdb->common.origin, NULL); + rbtdb->common.attributes = 0; + if (type == dns_dbtype_cache) { + rbtdb->common.methods = &cache_methods; + rbtdb->common.attributes |= DNS_DBATTR_CACHE; + } else if (type == dns_dbtype_stub) { + rbtdb->common.methods = &zone_methods; + rbtdb->common.attributes |= DNS_DBATTR_STUB; + } else + rbtdb->common.methods = &zone_methods; + rbtdb->common.rdclass = rdclass; + rbtdb->common.mctx = NULL; + + result = RBTDB_INITLOCK(&rbtdb->lock); + if (result != ISC_R_SUCCESS) + goto cleanup_rbtdb; + + result = isc_rwlock_init(&rbtdb->tree_lock, 0, 0); + if (result != ISC_R_SUCCESS) + goto cleanup_lock; + + if (rbtdb->node_lock_count == 0) { + if (IS_CACHE(rbtdb)) + rbtdb->node_lock_count = DEFAULT_CACHE_NODE_LOCK_COUNT; + else + rbtdb->node_lock_count = DEFAULT_NODE_LOCK_COUNT; + } + INSIST(rbtdb->node_lock_count < (1 << DNS_RBT_LOCKLENGTH)); + rbtdb->node_locks = isc_mem_get(mctx, rbtdb->node_lock_count * + sizeof(rbtdb_nodelock_t)); + if (rbtdb->node_locks == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup_tree_lock; + } + + rbtdb->rrsetstats = NULL; + if (IS_CACHE(rbtdb)) { + result = dns_rdatasetstats_create(mctx, &rbtdb->rrsetstats); + if (result != ISC_R_SUCCESS) + goto cleanup_node_locks; + rbtdb->rdatasets = isc_mem_get(mctx, rbtdb->node_lock_count * + sizeof(rdatasetheaderlist_t)); + if (rbtdb->rdatasets == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup_rrsetstats; + } + for (i = 0; i < (int)rbtdb->node_lock_count; i++) + ISC_LIST_INIT(rbtdb->rdatasets[i]); + + /* + * Create the heaps. + */ + rbtdb->heaps = isc_mem_get(mctx, rbtdb->node_lock_count * + sizeof(isc_heap_t *)); + if (rbtdb->heaps == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup_rdatasets; + } + for (i = 0; i < (int)rbtdb->node_lock_count; i++) + rbtdb->heaps[i] = NULL; + for (i = 0; i < (int)rbtdb->node_lock_count; i++) { + result = isc_heap_create(mctx, ttl_sooner, + ttl_set_index, 0, + &rbtdb->heaps[i]); + if (result != ISC_R_SUCCESS) + goto cleanup_heaps; + } + } else { + rbtdb->rdatasets = NULL; + rbtdb->heaps = NULL; + } + + rbtdb->deadnodes = isc_mem_get(mctx, rbtdb->node_lock_count * + sizeof(rbtnodelist_t)); + if (rbtdb->deadnodes == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup_heaps; + } + for (i = 0; i < (int)rbtdb->node_lock_count; i++) + ISC_LIST_INIT(rbtdb->deadnodes[i]); + + rbtdb->active = rbtdb->node_lock_count; + + for (i = 0; i < (int)(rbtdb->node_lock_count); i++) { + result = NODE_INITLOCK(&rbtdb->node_locks[i].lock); + if (result == ISC_R_SUCCESS) { + result = isc_refcount_init(&rbtdb->node_locks[i].references, 0); + if (result != ISC_R_SUCCESS) + NODE_DESTROYLOCK(&rbtdb->node_locks[i].lock); + } + if (result != ISC_R_SUCCESS) { + while (i-- > 0) { + NODE_DESTROYLOCK(&rbtdb->node_locks[i].lock); + isc_refcount_decrement(&rbtdb->node_locks[i].references, NULL); + isc_refcount_destroy(&rbtdb->node_locks[i].references); + } + goto cleanup_deadnodes; + } + rbtdb->node_locks[i].exiting = ISC_FALSE; + } + + /* + * Attach to the mctx. The database will persist so long as there + * are references to it, and attaching to the mctx ensures that our + * mctx won't disappear out from under us. + */ + isc_mem_attach(mctx, &rbtdb->common.mctx); + + /* + * Must be initalized before free_rbtdb() is called. + */ + isc_ondestroy_init(&rbtdb->common.ondest); + + /* + * Make a copy of the origin name. + */ + result = dns_name_dupwithoffsets(origin, mctx, &rbtdb->common.origin); + if (result != ISC_R_SUCCESS) { + free_rbtdb(rbtdb, ISC_FALSE, NULL); + return (result); + } + + /* + * Make the Red-Black Tree. + */ + result = dns_rbt_create(mctx, delete_callback, rbtdb, &rbtdb->tree); + if (result != ISC_R_SUCCESS) { + free_rbtdb(rbtdb, ISC_FALSE, NULL); + return (result); + } + /* + * In order to set the node callback bit correctly in zone databases, + * we need to know if the node has the origin name of the zone. + * In loading_addrdataset() we could simply compare the new name + * to the origin name, but this is expensive. Also, we don't know the + * node name in addrdataset(), so we need another way of knowing the + * zone's top. + * + * We now explicitly create a node for the zone's origin, and then + * we simply remember the node's address. This is safe, because + * the top-of-zone node can never be deleted, nor can its address + * change. + */ + if (!IS_CACHE(rbtdb)) { + rbtdb->origin_node = NULL; + result = dns_rbt_addnode(rbtdb->tree, &rbtdb->common.origin, + &rbtdb->origin_node); + if (result != ISC_R_SUCCESS) { + INSIST(result != ISC_R_EXISTS); + free_rbtdb(rbtdb, ISC_FALSE, NULL); + return (result); + } + /* + * We need to give the origin node the right locknum. + */ + dns_name_init(&name, NULL); + dns_rbt_namefromnode(rbtdb->origin_node, &name); #ifdef DNS_RBT_USEHASH - rbtdb->origin_node->locknum = - rbtdb->origin_node->hashval % - rbtdb->node_lock_count; + rbtdb->origin_node->locknum = + rbtdb->origin_node->hashval % + rbtdb->node_lock_count; #else - rbtdb->origin_node->locknum = - dns_name_hash(&name, ISC_TRUE) % - rbtdb->node_lock_count; + rbtdb->origin_node->locknum = + dns_name_hash(&name, ISC_TRUE) % + rbtdb->node_lock_count; #endif - } - - /* - * Misc. Initialization. - */ - result = isc_refcount_init(&rbtdb->references, 1); - if (result != ISC_R_SUCCESS) { - free_rbtdb(rbtdb, ISC_FALSE, NULL); - return (result); - } - rbtdb->attributes = 0; - rbtdb->secure = ISC_FALSE; - rbtdb->overmem = ISC_FALSE; - rbtdb->task = NULL; - - /* - * Version Initialization. - */ - rbtdb->current_serial = 1; - rbtdb->least_serial = 1; - rbtdb->next_serial = 2; - rbtdb->current_version = allocate_version(mctx, 1, 1, ISC_FALSE); - if (rbtdb->current_version == NULL) { - isc_refcount_decrement(&rbtdb->references, NULL); - isc_refcount_destroy(&rbtdb->references); - free_rbtdb(rbtdb, ISC_FALSE, NULL); - return (ISC_R_NOMEMORY); - } - rbtdb->future_version = NULL; - ISC_LIST_INIT(rbtdb->open_versions); - /* - * Keep the current version in the open list so that list operation - * won't happen in normal lookup operations. - */ - PREPEND(rbtdb->open_versions, rbtdb->current_version, link); - - rbtdb->common.magic = DNS_DB_MAGIC; - rbtdb->common.impmagic = RBTDB_MAGIC; - - *dbp = (dns_db_t *)rbtdb; - - return (ISC_R_SUCCESS); - - cleanup_heaps: - if (rbtdb->heaps != NULL) { - for (i = 0 ; i < (int)rbtdb->node_lock_count ; i++) - if (rbtdb->heaps[i] != NULL) - isc_heap_destroy(&rbtdb->heaps[i]); - isc_mem_put(mctx, rbtdb->heaps, - rbtdb->node_lock_count * sizeof(isc_heap_t *)); - } + } + + /* + * Misc. Initialization. + */ + result = isc_refcount_init(&rbtdb->references, 1); + if (result != ISC_R_SUCCESS) { + free_rbtdb(rbtdb, ISC_FALSE, NULL); + return (result); + } + rbtdb->attributes = 0; + rbtdb->secure = ISC_FALSE; + rbtdb->overmem = ISC_FALSE; + rbtdb->task = NULL; + + /* + * Version Initialization. + */ + rbtdb->current_serial = 1; + rbtdb->least_serial = 1; + rbtdb->next_serial = 2; + rbtdb->current_version = allocate_version(mctx, 1, 1, ISC_FALSE); + if (rbtdb->current_version == NULL) { + isc_refcount_decrement(&rbtdb->references, NULL); + isc_refcount_destroy(&rbtdb->references); + free_rbtdb(rbtdb, ISC_FALSE, NULL); + return (ISC_R_NOMEMORY); + } + rbtdb->future_version = NULL; + ISC_LIST_INIT(rbtdb->open_versions); + /* + * Keep the current version in the open list so that list operation + * won't happen in normal lookup operations. + */ + PREPEND(rbtdb->open_versions, rbtdb->current_version, link); + + rbtdb->common.magic = DNS_DB_MAGIC; + rbtdb->common.impmagic = RBTDB_MAGIC; + + *dbp = (dns_db_t *)rbtdb; + + return (ISC_R_SUCCESS); cleanup_deadnodes: - if (rbtdb->deadnodes != NULL) - isc_mem_put(mctx, rbtdb->deadnodes, - rbtdb->node_lock_count * sizeof(rbtnodelist_t)); + isc_mem_put(mctx, rbtdb->deadnodes, + rbtdb->node_lock_count * sizeof(rbtnodelist_t)); + + cleanup_heaps: + if (rbtdb->heaps != NULL) { + for (i = 0 ; i < (int)rbtdb->node_lock_count ; i++) + if (rbtdb->heaps[i] != NULL) + isc_heap_destroy(&rbtdb->heaps[i]); + isc_mem_put(mctx, rbtdb->heaps, + rbtdb->node_lock_count * sizeof(isc_heap_t *)); + } cleanup_rdatasets: - if (rbtdb->rdatasets != NULL) - isc_mem_put(mctx, rbtdb->rdatasets, rbtdb->node_lock_count * - sizeof(rdatasetheaderlist_t)); + if (rbtdb->rdatasets != NULL) + isc_mem_put(mctx, rbtdb->rdatasets, rbtdb->node_lock_count * + sizeof(rdatasetheaderlist_t)); + cleanup_rrsetstats: + if (rbtdb->rrsetstats != NULL) + dns_stats_detach(&rbtdb->rrsetstats); cleanup_node_locks: - isc_mem_put(mctx, rbtdb->node_locks, - rbtdb->node_lock_count * sizeof(rbtdb_nodelock_t)); + isc_mem_put(mctx, rbtdb->node_locks, + rbtdb->node_lock_count * sizeof(rbtdb_nodelock_t)); cleanup_tree_lock: - isc_rwlock_destroy(&rbtdb->tree_lock); + isc_rwlock_destroy(&rbtdb->tree_lock); cleanup_lock: - RBTDB_DESTROYLOCK(&rbtdb->lock); + RBTDB_DESTROYLOCK(&rbtdb->lock); cleanup_rbtdb: - isc_mem_put(mctx, rbtdb, sizeof(*rbtdb)); - return (result); + isc_mem_put(mctx, rbtdb, sizeof(*rbtdb)); + return (result); } @@ -6353,178 +6184,178 @@ dns_rbtdb_create static void rdataset_disassociate(dns_rdataset_t *rdataset) { - dns_db_t *db = rdataset->private1; - dns_dbnode_t *node = rdataset->private2; + dns_db_t *db = rdataset->private1; + dns_dbnode_t *node = rdataset->private2; - detachnode(db, &node); + detachnode(db, &node); } static isc_result_t rdataset_first(dns_rdataset_t *rdataset) { - unsigned char *raw = rdataset->private3; /* RDATASLAB */ - unsigned int count; + unsigned char *raw = rdataset->private3; /* RDATASLAB */ + unsigned int count; - count = raw[0] * 256 + raw[1]; - if (count == 0) { - rdataset->private5 = NULL; - return (ISC_R_NOMORE); - } + count = raw[0] * 256 + raw[1]; + if (count == 0) { + rdataset->private5 = NULL; + return (ISC_R_NOMORE); + } #if DNS_RDATASET_FIXED - if ((rdataset->attributes & DNS_RDATASETATTR_LOADORDER) == 0) - raw += 2 + (4 * count); - else + if ((rdataset->attributes & DNS_RDATASETATTR_LOADORDER) == 0) + raw += 2 + (4 * count); + else #endif - raw += 2; - - /* - * The privateuint4 field is the number of rdata beyond the - * cursor position, so we decrement the total count by one - * before storing it. - * - * If DNS_RDATASETATTR_LOADORDER is not set 'raw' points to the - * first record. If DNS_RDATASETATTR_LOADORDER is set 'raw' points - * to the first entry in the offset table. - */ - count--; - rdataset->privateuint4 = count; - rdataset->private5 = raw; - - return (ISC_R_SUCCESS); + raw += 2; + + /* + * The privateuint4 field is the number of rdata beyond the + * cursor position, so we decrement the total count by one + * before storing it. + * + * If DNS_RDATASETATTR_LOADORDER is not set 'raw' points to the + * first record. If DNS_RDATASETATTR_LOADORDER is set 'raw' points + * to the first entry in the offset table. + */ + count--; + rdataset->privateuint4 = count; + rdataset->private5 = raw; + + return (ISC_R_SUCCESS); } static isc_result_t rdataset_next(dns_rdataset_t *rdataset) { - unsigned int count; - unsigned int length; - unsigned char *raw; /* RDATASLAB */ - - count = rdataset->privateuint4; - if (count == 0) - return (ISC_R_NOMORE); - count--; - rdataset->privateuint4 = count; - - /* - * Skip forward one record (length + 4) or one offset (4). - */ - raw = rdataset->private5; + unsigned int count; + unsigned int length; + unsigned char *raw; /* RDATASLAB */ + + count = rdataset->privateuint4; + if (count == 0) + return (ISC_R_NOMORE); + count--; + rdataset->privateuint4 = count; + + /* + * Skip forward one record (length + 4) or one offset (4). + */ + raw = rdataset->private5; #if DNS_RDATASET_FIXED - if ((rdataset->attributes & DNS_RDATASETATTR_LOADORDER) == 0) { + if ((rdataset->attributes & DNS_RDATASETATTR_LOADORDER) == 0) { #endif - length = raw[0] * 256 + raw[1]; - raw += length; + length = raw[0] * 256 + raw[1]; + raw += length; #if DNS_RDATASET_FIXED - } - rdataset->private5 = raw + 4; /* length(2) + order(2) */ + } + rdataset->private5 = raw + 4; /* length(2) + order(2) */ #else - rdataset->private5 = raw + 2; /* length(2) */ + rdataset->private5 = raw + 2; /* length(2) */ #endif - return (ISC_R_SUCCESS); + return (ISC_R_SUCCESS); } static void rdataset_current(dns_rdataset_t *rdataset, dns_rdata_t *rdata) { - unsigned char *raw = rdataset->private5; /* RDATASLAB */ + unsigned char *raw = rdataset->private5; /* RDATASLAB */ #if DNS_RDATASET_FIXED - unsigned int offset; + unsigned int offset; #endif - isc_region_t r; + isc_region_t r; - REQUIRE(raw != NULL); + REQUIRE(raw != NULL); - /* - * Find the start of the record if not already in private5 - * then skip the length and order fields. - */ + /* + * Find the start of the record if not already in private5 + * then skip the length and order fields. + */ #if DNS_RDATASET_FIXED - if ((rdataset->attributes & DNS_RDATASETATTR_LOADORDER) != 0) { - offset = (raw[0] << 24) + (raw[1] << 16) + - (raw[2] << 8) + raw[3]; - raw = rdataset->private3; - raw += offset; - } + if ((rdataset->attributes & DNS_RDATASETATTR_LOADORDER) != 0) { + offset = (raw[0] << 24) + (raw[1] << 16) + + (raw[2] << 8) + raw[3]; + raw = rdataset->private3; + raw += offset; + } #endif - r.length = raw[0] * 256 + raw[1]; + r.length = raw[0] * 256 + raw[1]; #if DNS_RDATASET_FIXED - raw += 4; + raw += 4; #else - raw += 2; + raw += 2; #endif - r.base = raw; - dns_rdata_fromregion(rdata, rdataset->rdclass, rdataset->type, &r); + r.base = raw; + dns_rdata_fromregion(rdata, rdataset->rdclass, rdataset->type, &r); } static void rdataset_clone(dns_rdataset_t *source, dns_rdataset_t *target) { - dns_db_t *db = source->private1; - dns_dbnode_t *node = source->private2; - dns_dbnode_t *cloned_node = NULL; - - attachnode(db, node, &cloned_node); - *target = *source; - - /* - * Reset iterator state. - */ - target->privateuint4 = 0; - target->private5 = NULL; + dns_db_t *db = source->private1; + dns_dbnode_t *node = source->private2; + dns_dbnode_t *cloned_node = NULL; + + attachnode(db, node, &cloned_node); + *target = *source; + + /* + * Reset iterator state. + */ + target->privateuint4 = 0; + target->private5 = NULL; } static unsigned int rdataset_count(dns_rdataset_t *rdataset) { - unsigned char *raw = rdataset->private3; /* RDATASLAB */ - unsigned int count; + unsigned char *raw = rdataset->private3; /* RDATASLAB */ + unsigned int count; - count = raw[0] * 256 + raw[1]; + count = raw[0] * 256 + raw[1]; - return (count); + return (count); } static isc_result_t rdataset_getnoqname(dns_rdataset_t *rdataset, dns_name_t *name, - dns_rdataset_t *nsec, dns_rdataset_t *nsecsig) + dns_rdataset_t *nsec, dns_rdataset_t *nsecsig) { - dns_db_t *db = rdataset->private1; - dns_dbnode_t *node = rdataset->private2; - dns_dbnode_t *cloned_node; - struct noqname *noqname = rdataset->private6; - - cloned_node = NULL; - attachnode(db, node, &cloned_node); - nsec->methods = &rdataset_methods; - nsec->rdclass = db->rdclass; - nsec->type = dns_rdatatype_nsec; - nsec->covers = 0; - nsec->ttl = rdataset->ttl; - nsec->trust = rdataset->trust; - nsec->private1 = rdataset->private1; - nsec->private2 = rdataset->private2; - nsec->private3 = noqname->nsec; - nsec->privateuint4 = 0; - nsec->private5 = NULL; - nsec->private6 = NULL; - - cloned_node = NULL; - attachnode(db, node, &cloned_node); - nsecsig->methods = &rdataset_methods; - nsecsig->rdclass = db->rdclass; - nsecsig->type = dns_rdatatype_rrsig; - nsecsig->covers = dns_rdatatype_nsec; - nsecsig->ttl = rdataset->ttl; - nsecsig->trust = rdataset->trust; - nsecsig->private1 = rdataset->private1; - nsecsig->private2 = rdataset->private2; - nsecsig->private3 = noqname->nsecsig; - nsecsig->privateuint4 = 0; - nsecsig->private5 = NULL; - nsec->private6 = NULL; - - dns_name_clone(&noqname->name, name); - - return (ISC_R_SUCCESS); + dns_db_t *db = rdataset->private1; + dns_dbnode_t *node = rdataset->private2; + dns_dbnode_t *cloned_node; + struct noqname *noqname = rdataset->private6; + + cloned_node = NULL; + attachnode(db, node, &cloned_node); + nsec->methods = &rdataset_methods; + nsec->rdclass = db->rdclass; + nsec->type = dns_rdatatype_nsec; + nsec->covers = 0; + nsec->ttl = rdataset->ttl; + nsec->trust = rdataset->trust; + nsec->private1 = rdataset->private1; + nsec->private2 = rdataset->private2; + nsec->private3 = noqname->nsec; + nsec->privateuint4 = 0; + nsec->private5 = NULL; + nsec->private6 = NULL; + + cloned_node = NULL; + attachnode(db, node, &cloned_node); + nsecsig->methods = &rdataset_methods; + nsecsig->rdclass = db->rdclass; + nsecsig->type = dns_rdatatype_rrsig; + nsecsig->covers = dns_rdatatype_nsec; + nsecsig->ttl = rdataset->ttl; + nsecsig->trust = rdataset->trust; + nsecsig->private1 = rdataset->private1; + nsecsig->private2 = rdataset->private2; + nsecsig->private3 = noqname->nsecsig; + nsecsig->privateuint4 = 0; + nsecsig->private5 = NULL; + nsec->private6 = NULL; + + dns_name_clone(&noqname->name, name); + + return (ISC_R_SUCCESS); } /* @@ -6533,172 +6364,172 @@ rdataset_getnoqname(dns_rdataset_t *rdataset, dns_name_t *name, static void rdatasetiter_destroy(dns_rdatasetiter_t **iteratorp) { - rbtdb_rdatasetiter_t *rbtiterator; + rbtdb_rdatasetiter_t *rbtiterator; - rbtiterator = (rbtdb_rdatasetiter_t *)(*iteratorp); + rbtiterator = (rbtdb_rdatasetiter_t *)(*iteratorp); - if (rbtiterator->common.version != NULL) - closeversion(rbtiterator->common.db, - &rbtiterator->common.version, ISC_FALSE); - detachnode(rbtiterator->common.db, &rbtiterator->common.node); - isc_mem_put(rbtiterator->common.db->mctx, rbtiterator, - sizeof(*rbtiterator)); + if (rbtiterator->common.version != NULL) + closeversion(rbtiterator->common.db, + &rbtiterator->common.version, ISC_FALSE); + detachnode(rbtiterator->common.db, &rbtiterator->common.node); + isc_mem_put(rbtiterator->common.db->mctx, rbtiterator, + sizeof(*rbtiterator)); - *iteratorp = NULL; + *iteratorp = NULL; } static isc_result_t rdatasetiter_first(dns_rdatasetiter_t *iterator) { - rbtdb_rdatasetiter_t *rbtiterator = (rbtdb_rdatasetiter_t *)iterator; - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)(rbtiterator->common.db); - dns_rbtnode_t *rbtnode = rbtiterator->common.node; - rbtdb_version_t *rbtversion = rbtiterator->common.version; - rdatasetheader_t *header, *top_next; - rbtdb_serial_t serial; - isc_stdtime_t now; - - if (IS_CACHE(rbtdb)) { - serial = 1; - now = rbtiterator->common.now; - } else { - serial = rbtversion->serial; - now = 0; - } - - NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_read); - - for (header = rbtnode->data; header != NULL; header = top_next) { - top_next = header->next; - do { - if (header->serial <= serial && !IGNORE(header)) { - /* - * Is this a "this rdataset doesn't exist" - * record? Or is it too old in the cache? - * - * Note: unlike everywhere else, we - * check for now > header->ttl instead - * of now >= header->ttl. This allows - * ANY and RRSIG queries for 0 TTL - * rdatasets to work. - */ - if (NONEXISTENT(header) || - (now != 0 && now > header->rdh_ttl)) - header = NULL; - break; - } else - header = header->down; - } while (header != NULL); - if (header != NULL) - break; - } - - NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_read); - - rbtiterator->current = header; - - if (header == NULL) - return (ISC_R_NOMORE); - - return (ISC_R_SUCCESS); + rbtdb_rdatasetiter_t *rbtiterator = (rbtdb_rdatasetiter_t *)iterator; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)(rbtiterator->common.db); + dns_rbtnode_t *rbtnode = rbtiterator->common.node; + rbtdb_version_t *rbtversion = rbtiterator->common.version; + rdatasetheader_t *header, *top_next; + rbtdb_serial_t serial; + isc_stdtime_t now; + + if (IS_CACHE(rbtdb)) { + serial = 1; + now = rbtiterator->common.now; + } else { + serial = rbtversion->serial; + now = 0; + } + + NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_read); + + for (header = rbtnode->data; header != NULL; header = top_next) { + top_next = header->next; + do { + if (header->serial <= serial && !IGNORE(header)) { + /* + * Is this a "this rdataset doesn't exist" + * record? Or is it too old in the cache? + * + * Note: unlike everywhere else, we + * check for now > header->ttl instead + * of now >= header->ttl. This allows + * ANY and RRSIG queries for 0 TTL + * rdatasets to work. + */ + if (NONEXISTENT(header) || + (now != 0 && now > header->rdh_ttl)) + header = NULL; + break; + } else + header = header->down; + } while (header != NULL); + if (header != NULL) + break; + } + + NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_read); + + rbtiterator->current = header; + + if (header == NULL) + return (ISC_R_NOMORE); + + return (ISC_R_SUCCESS); } static isc_result_t rdatasetiter_next(dns_rdatasetiter_t *iterator) { - rbtdb_rdatasetiter_t *rbtiterator = (rbtdb_rdatasetiter_t *)iterator; - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)(rbtiterator->common.db); - dns_rbtnode_t *rbtnode = rbtiterator->common.node; - rbtdb_version_t *rbtversion = rbtiterator->common.version; - rdatasetheader_t *header, *top_next; - rbtdb_serial_t serial; - isc_stdtime_t now; - rbtdb_rdatatype_t type, negtype; - dns_rdatatype_t rdtype, covers; - - header = rbtiterator->current; - if (header == NULL) - return (ISC_R_NOMORE); - - if (IS_CACHE(rbtdb)) { - serial = 1; - now = rbtiterator->common.now; - } else { - serial = rbtversion->serial; - now = 0; - } - - NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_read); - - type = header->type; - rdtype = RBTDB_RDATATYPE_BASE(header->type); - if (rdtype == 0) { - covers = RBTDB_RDATATYPE_EXT(header->type); - negtype = RBTDB_RDATATYPE_VALUE(covers, 0); - } else - negtype = RBTDB_RDATATYPE_VALUE(0, rdtype); - for (header = header->next; header != NULL; header = top_next) { - top_next = header->next; - /* - * If not walking back up the down list. - */ - if (header->type != type && header->type != negtype) { - do { - if (header->serial <= serial && - !IGNORE(header)) { - /* - * Is this a "this rdataset doesn't - * exist" record? - * - * Note: unlike everywhere else, we - * check for now > header->ttl instead - * of now >= header->ttl. This allows - * ANY and RRSIG queries for 0 TTL - * rdatasets to work. - */ - if ((header->attributes & - RDATASET_ATTR_NONEXISTENT) != 0 || - (now != 0 && now > header->rdh_ttl)) - header = NULL; - break; - } else - header = header->down; - } while (header != NULL); - if (header != NULL) - break; - } - } - - NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_read); - - rbtiterator->current = header; - - if (header == NULL) - return (ISC_R_NOMORE); - - return (ISC_R_SUCCESS); + rbtdb_rdatasetiter_t *rbtiterator = (rbtdb_rdatasetiter_t *)iterator; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)(rbtiterator->common.db); + dns_rbtnode_t *rbtnode = rbtiterator->common.node; + rbtdb_version_t *rbtversion = rbtiterator->common.version; + rdatasetheader_t *header, *top_next; + rbtdb_serial_t serial; + isc_stdtime_t now; + rbtdb_rdatatype_t type, negtype; + dns_rdatatype_t rdtype, covers; + + header = rbtiterator->current; + if (header == NULL) + return (ISC_R_NOMORE); + + if (IS_CACHE(rbtdb)) { + serial = 1; + now = rbtiterator->common.now; + } else { + serial = rbtversion->serial; + now = 0; + } + + NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_read); + + type = header->type; + rdtype = RBTDB_RDATATYPE_BASE(header->type); + if (rdtype == 0) { + covers = RBTDB_RDATATYPE_EXT(header->type); + negtype = RBTDB_RDATATYPE_VALUE(covers, 0); + } else + negtype = RBTDB_RDATATYPE_VALUE(0, rdtype); + for (header = header->next; header != NULL; header = top_next) { + top_next = header->next; + /* + * If not walking back up the down list. + */ + if (header->type != type && header->type != negtype) { + do { + if (header->serial <= serial && + !IGNORE(header)) { + /* + * Is this a "this rdataset doesn't + * exist" record? + * + * Note: unlike everywhere else, we + * check for now > header->ttl instead + * of now >= header->ttl. This allows + * ANY and RRSIG queries for 0 TTL + * rdatasets to work. + */ + if ((header->attributes & + RDATASET_ATTR_NONEXISTENT) != 0 || + (now != 0 && now > header->rdh_ttl)) + header = NULL; + break; + } else + header = header->down; + } while (header != NULL); + if (header != NULL) + break; + } + } + + NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_read); + + rbtiterator->current = header; + + if (header == NULL) + return (ISC_R_NOMORE); + + return (ISC_R_SUCCESS); } static void rdatasetiter_current(dns_rdatasetiter_t *iterator, dns_rdataset_t *rdataset) { - rbtdb_rdatasetiter_t *rbtiterator = (rbtdb_rdatasetiter_t *)iterator; - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)(rbtiterator->common.db); - dns_rbtnode_t *rbtnode = rbtiterator->common.node; - rdatasetheader_t *header; + rbtdb_rdatasetiter_t *rbtiterator = (rbtdb_rdatasetiter_t *)iterator; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)(rbtiterator->common.db); + dns_rbtnode_t *rbtnode = rbtiterator->common.node; + rdatasetheader_t *header; - header = rbtiterator->current; - REQUIRE(header != NULL); + header = rbtiterator->current; + REQUIRE(header != NULL); - NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_read); + NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_read); - bind_rdataset(rbtdb, rbtnode, header, rbtiterator->common.now, - rdataset); + bind_rdataset(rbtdb, rbtnode, header, rbtiterator->common.now, + rdataset); - NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, - isc_rwlocktype_read); + NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock, + isc_rwlocktype_read); } @@ -6708,410 +6539,410 @@ rdatasetiter_current(dns_rdatasetiter_t *iterator, dns_rdataset_t *rdataset) { static inline void reference_iter_node(rbtdb_dbiterator_t *rbtdbiter) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)rbtdbiter->common.db; - dns_rbtnode_t *node = rbtdbiter->node; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)rbtdbiter->common.db; + dns_rbtnode_t *node = rbtdbiter->node; - if (node == NULL) - return; + if (node == NULL) + return; - INSIST(rbtdbiter->tree_locked != isc_rwlocktype_none); - NODE_STRONGLOCK(&rbtdb->node_locks[node->locknum].lock); - new_reference(rbtdb, node); - NODE_STRONGUNLOCK(&rbtdb->node_locks[node->locknum].lock); + INSIST(rbtdbiter->tree_locked != isc_rwlocktype_none); + NODE_STRONGLOCK(&rbtdb->node_locks[node->locknum].lock); + new_reference(rbtdb, node); + NODE_STRONGUNLOCK(&rbtdb->node_locks[node->locknum].lock); } static inline void dereference_iter_node(rbtdb_dbiterator_t *rbtdbiter) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)rbtdbiter->common.db; - dns_rbtnode_t *node = rbtdbiter->node; - nodelock_t *lock; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)rbtdbiter->common.db; + dns_rbtnode_t *node = rbtdbiter->node; + nodelock_t *lock; - if (node == NULL) - return; + if (node == NULL) + return; - lock = &rbtdb->node_locks[node->locknum].lock; - NODE_LOCK(lock, isc_rwlocktype_read); - decrement_reference(rbtdb, node, 0, isc_rwlocktype_read, - rbtdbiter->tree_locked); - NODE_UNLOCK(lock, isc_rwlocktype_read); + lock = &rbtdb->node_locks[node->locknum].lock; + NODE_LOCK(lock, isc_rwlocktype_read); + decrement_reference(rbtdb, node, 0, isc_rwlocktype_read, + rbtdbiter->tree_locked); + NODE_UNLOCK(lock, isc_rwlocktype_read); - rbtdbiter->node = NULL; + rbtdbiter->node = NULL; } static void flush_deletions(rbtdb_dbiterator_t *rbtdbiter) { - dns_rbtnode_t *node; - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)rbtdbiter->common.db; - isc_boolean_t was_read_locked = ISC_FALSE; - nodelock_t *lock; - int i; - - if (rbtdbiter->delete != 0) { - /* - * Note that "%d node of %d in tree" can report things like - * "flush_deletions: 59 nodes of 41 in tree". This means - * That some nodes appear on the deletions list more than - * once. Only the last occurence will actually be deleted. - */ - isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, - DNS_LOGMODULE_CACHE, ISC_LOG_DEBUG(1), - "flush_deletions: %d nodes of %d in tree", - rbtdbiter->delete, - dns_rbt_nodecount(rbtdb->tree)); - - if (rbtdbiter->tree_locked == isc_rwlocktype_read) { - RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); - was_read_locked = ISC_TRUE; - } - RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); - rbtdbiter->tree_locked = isc_rwlocktype_write; - - for (i = 0; i < rbtdbiter->delete; i++) { - node = rbtdbiter->deletions[i]; - lock = &rbtdb->node_locks[node->locknum].lock; - - NODE_LOCK(lock, isc_rwlocktype_read); - decrement_reference(rbtdb, node, 0, - isc_rwlocktype_read, - rbtdbiter->tree_locked); - NODE_UNLOCK(lock, isc_rwlocktype_read); - } - - rbtdbiter->delete = 0; - - RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); - if (was_read_locked) { - RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); - rbtdbiter->tree_locked = isc_rwlocktype_read; - - } else { - rbtdbiter->tree_locked = isc_rwlocktype_none; - } - } + dns_rbtnode_t *node; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)rbtdbiter->common.db; + isc_boolean_t was_read_locked = ISC_FALSE; + nodelock_t *lock; + int i; + + if (rbtdbiter->delete != 0) { + /* + * Note that "%d node of %d in tree" can report things like + * "flush_deletions: 59 nodes of 41 in tree". This means + * That some nodes appear on the deletions list more than + * once. Only the last occurence will actually be deleted. + */ + isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE, + DNS_LOGMODULE_CACHE, ISC_LOG_DEBUG(1), + "flush_deletions: %d nodes of %d in tree", + rbtdbiter->delete, + dns_rbt_nodecount(rbtdb->tree)); + + if (rbtdbiter->tree_locked == isc_rwlocktype_read) { + RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); + was_read_locked = ISC_TRUE; + } + RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); + rbtdbiter->tree_locked = isc_rwlocktype_write; + + for (i = 0; i < rbtdbiter->delete; i++) { + node = rbtdbiter->deletions[i]; + lock = &rbtdb->node_locks[node->locknum].lock; + + NODE_LOCK(lock, isc_rwlocktype_read); + decrement_reference(rbtdb, node, 0, + isc_rwlocktype_read, + rbtdbiter->tree_locked); + NODE_UNLOCK(lock, isc_rwlocktype_read); + } + + rbtdbiter->delete = 0; + + RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_write); + if (was_read_locked) { + RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); + rbtdbiter->tree_locked = isc_rwlocktype_read; + + } else { + rbtdbiter->tree_locked = isc_rwlocktype_none; + } + } } static inline void resume_iteration(rbtdb_dbiterator_t *rbtdbiter) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)rbtdbiter->common.db; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)rbtdbiter->common.db; - REQUIRE(rbtdbiter->paused); - REQUIRE(rbtdbiter->tree_locked == isc_rwlocktype_none); + REQUIRE(rbtdbiter->paused); + REQUIRE(rbtdbiter->tree_locked == isc_rwlocktype_none); - RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); - rbtdbiter->tree_locked = isc_rwlocktype_read; + RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); + rbtdbiter->tree_locked = isc_rwlocktype_read; - rbtdbiter->paused = ISC_FALSE; + rbtdbiter->paused = ISC_FALSE; } static void dbiterator_destroy(dns_dbiterator_t **iteratorp) { - rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)(*iteratorp); - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)rbtdbiter->common.db; - dns_db_t *db = NULL; + rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)(*iteratorp); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)rbtdbiter->common.db; + dns_db_t *db = NULL; - if (rbtdbiter->tree_locked == isc_rwlocktype_read) { - RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); - rbtdbiter->tree_locked = isc_rwlocktype_none; - } else - INSIST(rbtdbiter->tree_locked == isc_rwlocktype_none); + if (rbtdbiter->tree_locked == isc_rwlocktype_read) { + RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); + rbtdbiter->tree_locked = isc_rwlocktype_none; + } else + INSIST(rbtdbiter->tree_locked == isc_rwlocktype_none); - dereference_iter_node(rbtdbiter); + dereference_iter_node(rbtdbiter); - flush_deletions(rbtdbiter); + flush_deletions(rbtdbiter); - dns_db_attach(rbtdbiter->common.db, &db); - dns_db_detach(&rbtdbiter->common.db); + dns_db_attach(rbtdbiter->common.db, &db); + dns_db_detach(&rbtdbiter->common.db); - dns_rbtnodechain_reset(&rbtdbiter->chain); - isc_mem_put(db->mctx, rbtdbiter, sizeof(*rbtdbiter)); - dns_db_detach(&db); + dns_rbtnodechain_reset(&rbtdbiter->chain); + isc_mem_put(db->mctx, rbtdbiter, sizeof(*rbtdbiter)); + dns_db_detach(&db); - *iteratorp = NULL; + *iteratorp = NULL; } static isc_result_t dbiterator_first(dns_dbiterator_t *iterator) { - isc_result_t result; - rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)iterator->db; - dns_name_t *name, *origin; - - if (rbtdbiter->result != ISC_R_SUCCESS && - rbtdbiter->result != ISC_R_NOMORE) - return (rbtdbiter->result); - - if (rbtdbiter->paused) - resume_iteration(rbtdbiter); - - dereference_iter_node(rbtdbiter); - - name = dns_fixedname_name(&rbtdbiter->name); - origin = dns_fixedname_name(&rbtdbiter->origin); - dns_rbtnodechain_reset(&rbtdbiter->chain); - - result = dns_rbtnodechain_first(&rbtdbiter->chain, rbtdb->tree, name, - origin); - - if (result == ISC_R_SUCCESS || result == DNS_R_NEWORIGIN) { - result = dns_rbtnodechain_current(&rbtdbiter->chain, NULL, - NULL, &rbtdbiter->node); - if (result == ISC_R_SUCCESS) { - rbtdbiter->new_origin = ISC_TRUE; - reference_iter_node(rbtdbiter); - } - } else { - INSIST(result == ISC_R_NOTFOUND); - result = ISC_R_NOMORE; /* The tree is empty. */ - } - - rbtdbiter->result = result; - - return (result); + isc_result_t result; + rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)iterator->db; + dns_name_t *name, *origin; + + if (rbtdbiter->result != ISC_R_SUCCESS && + rbtdbiter->result != ISC_R_NOMORE) + return (rbtdbiter->result); + + if (rbtdbiter->paused) + resume_iteration(rbtdbiter); + + dereference_iter_node(rbtdbiter); + + name = dns_fixedname_name(&rbtdbiter->name); + origin = dns_fixedname_name(&rbtdbiter->origin); + dns_rbtnodechain_reset(&rbtdbiter->chain); + + result = dns_rbtnodechain_first(&rbtdbiter->chain, rbtdb->tree, name, + origin); + + if (result == ISC_R_SUCCESS || result == DNS_R_NEWORIGIN) { + result = dns_rbtnodechain_current(&rbtdbiter->chain, NULL, + NULL, &rbtdbiter->node); + if (result == ISC_R_SUCCESS) { + rbtdbiter->new_origin = ISC_TRUE; + reference_iter_node(rbtdbiter); + } + } else { + INSIST(result == ISC_R_NOTFOUND); + result = ISC_R_NOMORE; /* The tree is empty. */ + } + + rbtdbiter->result = result; + + return (result); } static isc_result_t dbiterator_last(dns_dbiterator_t *iterator) { - isc_result_t result; - rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)iterator->db; - dns_name_t *name, *origin; - - if (rbtdbiter->result != ISC_R_SUCCESS && - rbtdbiter->result != ISC_R_NOMORE) - return (rbtdbiter->result); - - if (rbtdbiter->paused) - resume_iteration(rbtdbiter); - - dereference_iter_node(rbtdbiter); - - name = dns_fixedname_name(&rbtdbiter->name); - origin = dns_fixedname_name(&rbtdbiter->origin); - dns_rbtnodechain_reset(&rbtdbiter->chain); - - result = dns_rbtnodechain_last(&rbtdbiter->chain, rbtdb->tree, name, - origin); - if (result == ISC_R_SUCCESS || result == DNS_R_NEWORIGIN) { - result = dns_rbtnodechain_current(&rbtdbiter->chain, NULL, - NULL, &rbtdbiter->node); - if (result == ISC_R_SUCCESS) { - rbtdbiter->new_origin = ISC_TRUE; - reference_iter_node(rbtdbiter); - } - } else { - INSIST(result == ISC_R_NOTFOUND); - result = ISC_R_NOMORE; /* The tree is empty. */ - } - - rbtdbiter->result = result; - - return (result); + isc_result_t result; + rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)iterator->db; + dns_name_t *name, *origin; + + if (rbtdbiter->result != ISC_R_SUCCESS && + rbtdbiter->result != ISC_R_NOMORE) + return (rbtdbiter->result); + + if (rbtdbiter->paused) + resume_iteration(rbtdbiter); + + dereference_iter_node(rbtdbiter); + + name = dns_fixedname_name(&rbtdbiter->name); + origin = dns_fixedname_name(&rbtdbiter->origin); + dns_rbtnodechain_reset(&rbtdbiter->chain); + + result = dns_rbtnodechain_last(&rbtdbiter->chain, rbtdb->tree, name, + origin); + if (result == ISC_R_SUCCESS || result == DNS_R_NEWORIGIN) { + result = dns_rbtnodechain_current(&rbtdbiter->chain, NULL, + NULL, &rbtdbiter->node); + if (result == ISC_R_SUCCESS) { + rbtdbiter->new_origin = ISC_TRUE; + reference_iter_node(rbtdbiter); + } + } else { + INSIST(result == ISC_R_NOTFOUND); + result = ISC_R_NOMORE; /* The tree is empty. */ + } + + rbtdbiter->result = result; + + return (result); } static isc_result_t dbiterator_seek(dns_dbiterator_t *iterator, dns_name_t *name) { - isc_result_t result; - rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)iterator->db; - dns_name_t *iname, *origin; + isc_result_t result; + rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)iterator->db; + dns_name_t *iname, *origin; - if (rbtdbiter->result != ISC_R_SUCCESS && - rbtdbiter->result != ISC_R_NOMORE) - return (rbtdbiter->result); + if (rbtdbiter->result != ISC_R_SUCCESS && + rbtdbiter->result != ISC_R_NOMORE) + return (rbtdbiter->result); - if (rbtdbiter->paused) - resume_iteration(rbtdbiter); + if (rbtdbiter->paused) + resume_iteration(rbtdbiter); - dereference_iter_node(rbtdbiter); + dereference_iter_node(rbtdbiter); - iname = dns_fixedname_name(&rbtdbiter->name); - origin = dns_fixedname_name(&rbtdbiter->origin); - dns_rbtnodechain_reset(&rbtdbiter->chain); + iname = dns_fixedname_name(&rbtdbiter->name); + origin = dns_fixedname_name(&rbtdbiter->origin); + dns_rbtnodechain_reset(&rbtdbiter->chain); - result = dns_rbt_findnode(rbtdb->tree, name, NULL, &rbtdbiter->node, - &rbtdbiter->chain, DNS_RBTFIND_EMPTYDATA, - NULL, NULL); - if (result == ISC_R_SUCCESS) { - result = dns_rbtnodechain_current(&rbtdbiter->chain, iname, - origin, NULL); - if (result == ISC_R_SUCCESS) { - rbtdbiter->new_origin = ISC_TRUE; - reference_iter_node(rbtdbiter); - } + result = dns_rbt_findnode(rbtdb->tree, name, NULL, &rbtdbiter->node, + &rbtdbiter->chain, DNS_RBTFIND_EMPTYDATA, + NULL, NULL); + if (result == ISC_R_SUCCESS) { + result = dns_rbtnodechain_current(&rbtdbiter->chain, iname, + origin, NULL); + if (result == ISC_R_SUCCESS) { + rbtdbiter->new_origin = ISC_TRUE; + reference_iter_node(rbtdbiter); + } - } else if (result == DNS_R_PARTIALMATCH) - result = ISC_R_NOTFOUND; + } else if (result == DNS_R_PARTIALMATCH) + result = ISC_R_NOTFOUND; - rbtdbiter->result = result; + rbtdbiter->result = result; - return (result); + return (result); } static isc_result_t dbiterator_prev(dns_dbiterator_t *iterator) { - isc_result_t result; - rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; - dns_name_t *name, *origin; + isc_result_t result; + rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; + dns_name_t *name, *origin; - REQUIRE(rbtdbiter->node != NULL); + REQUIRE(rbtdbiter->node != NULL); - if (rbtdbiter->result != ISC_R_SUCCESS) - return (rbtdbiter->result); + if (rbtdbiter->result != ISC_R_SUCCESS) + return (rbtdbiter->result); - if (rbtdbiter->paused) - resume_iteration(rbtdbiter); + if (rbtdbiter->paused) + resume_iteration(rbtdbiter); - name = dns_fixedname_name(&rbtdbiter->name); - origin = dns_fixedname_name(&rbtdbiter->origin); - result = dns_rbtnodechain_prev(&rbtdbiter->chain, name, origin); + name = dns_fixedname_name(&rbtdbiter->name); + origin = dns_fixedname_name(&rbtdbiter->origin); + result = dns_rbtnodechain_prev(&rbtdbiter->chain, name, origin); - dereference_iter_node(rbtdbiter); + dereference_iter_node(rbtdbiter); - if (result == DNS_R_NEWORIGIN || result == ISC_R_SUCCESS) { - rbtdbiter->new_origin = ISC_TF(result == DNS_R_NEWORIGIN); - result = dns_rbtnodechain_current(&rbtdbiter->chain, NULL, - NULL, &rbtdbiter->node); - } + if (result == DNS_R_NEWORIGIN || result == ISC_R_SUCCESS) { + rbtdbiter->new_origin = ISC_TF(result == DNS_R_NEWORIGIN); + result = dns_rbtnodechain_current(&rbtdbiter->chain, NULL, + NULL, &rbtdbiter->node); + } - if (result == ISC_R_SUCCESS) - reference_iter_node(rbtdbiter); + if (result == ISC_R_SUCCESS) + reference_iter_node(rbtdbiter); - rbtdbiter->result = result; + rbtdbiter->result = result; - return (result); + return (result); } static isc_result_t dbiterator_next(dns_dbiterator_t *iterator) { - isc_result_t result; - rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; - dns_name_t *name, *origin; + isc_result_t result; + rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; + dns_name_t *name, *origin; - REQUIRE(rbtdbiter->node != NULL); + REQUIRE(rbtdbiter->node != NULL); - if (rbtdbiter->result != ISC_R_SUCCESS) - return (rbtdbiter->result); + if (rbtdbiter->result != ISC_R_SUCCESS) + return (rbtdbiter->result); - if (rbtdbiter->paused) - resume_iteration(rbtdbiter); + if (rbtdbiter->paused) + resume_iteration(rbtdbiter); - name = dns_fixedname_name(&rbtdbiter->name); - origin = dns_fixedname_name(&rbtdbiter->origin); - result = dns_rbtnodechain_next(&rbtdbiter->chain, name, origin); + name = dns_fixedname_name(&rbtdbiter->name); + origin = dns_fixedname_name(&rbtdbiter->origin); + result = dns_rbtnodechain_next(&rbtdbiter->chain, name, origin); - dereference_iter_node(rbtdbiter); + dereference_iter_node(rbtdbiter); - if (result == DNS_R_NEWORIGIN || result == ISC_R_SUCCESS) { - rbtdbiter->new_origin = ISC_TF(result == DNS_R_NEWORIGIN); - result = dns_rbtnodechain_current(&rbtdbiter->chain, NULL, - NULL, &rbtdbiter->node); - } - if (result == ISC_R_SUCCESS) - reference_iter_node(rbtdbiter); + if (result == DNS_R_NEWORIGIN || result == ISC_R_SUCCESS) { + rbtdbiter->new_origin = ISC_TF(result == DNS_R_NEWORIGIN); + result = dns_rbtnodechain_current(&rbtdbiter->chain, NULL, + NULL, &rbtdbiter->node); + } + if (result == ISC_R_SUCCESS) + reference_iter_node(rbtdbiter); - rbtdbiter->result = result; + rbtdbiter->result = result; - return (result); + return (result); } static isc_result_t dbiterator_current(dns_dbiterator_t *iterator, dns_dbnode_t **nodep, - dns_name_t *name) + dns_name_t *name) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)iterator->db; - rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; - dns_rbtnode_t *node = rbtdbiter->node; - isc_result_t result; - dns_name_t *nodename = dns_fixedname_name(&rbtdbiter->name); - dns_name_t *origin = dns_fixedname_name(&rbtdbiter->origin); - - REQUIRE(rbtdbiter->result == ISC_R_SUCCESS); - REQUIRE(rbtdbiter->node != NULL); - - if (rbtdbiter->paused) - resume_iteration(rbtdbiter); - - if (name != NULL) { - if (rbtdbiter->common.relative_names) - origin = NULL; - result = dns_name_concatenate(nodename, origin, name, NULL); - if (result != ISC_R_SUCCESS) - return (result); - if (rbtdbiter->common.relative_names && rbtdbiter->new_origin) - result = DNS_R_NEWORIGIN; - } else - result = ISC_R_SUCCESS; - - NODE_STRONGLOCK(&rbtdb->node_locks[node->locknum].lock); - new_reference(rbtdb, node); - NODE_STRONGUNLOCK(&rbtdb->node_locks[node->locknum].lock); - - *nodep = rbtdbiter->node; - - if (iterator->cleaning && result == ISC_R_SUCCESS) { - isc_result_t expire_result; - - /* - * If the deletion array is full, flush it before trying - * to expire the current node. The current node can't - * fully deleted while the iteration cursor is still on it. - */ - if (rbtdbiter->delete == DELETION_BATCH_MAX) - flush_deletions(rbtdbiter); - - expire_result = expirenode(iterator->db, *nodep, 0); - - /* - * expirenode() currently always returns success. - */ - if (expire_result == ISC_R_SUCCESS && node->down == NULL) { - unsigned int refs; - - rbtdbiter->deletions[rbtdbiter->delete++] = node; - NODE_STRONGLOCK(&rbtdb->node_locks[node->locknum].lock); - dns_rbtnode_refincrement(node, &refs); - INSIST(refs != 0); - NODE_STRONGUNLOCK(&rbtdb->node_locks[node->locknum].lock); - } - } - - return (result); + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)iterator->db; + rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; + dns_rbtnode_t *node = rbtdbiter->node; + isc_result_t result; + dns_name_t *nodename = dns_fixedname_name(&rbtdbiter->name); + dns_name_t *origin = dns_fixedname_name(&rbtdbiter->origin); + + REQUIRE(rbtdbiter->result == ISC_R_SUCCESS); + REQUIRE(rbtdbiter->node != NULL); + + if (rbtdbiter->paused) + resume_iteration(rbtdbiter); + + if (name != NULL) { + if (rbtdbiter->common.relative_names) + origin = NULL; + result = dns_name_concatenate(nodename, origin, name, NULL); + if (result != ISC_R_SUCCESS) + return (result); + if (rbtdbiter->common.relative_names && rbtdbiter->new_origin) + result = DNS_R_NEWORIGIN; + } else + result = ISC_R_SUCCESS; + + NODE_STRONGLOCK(&rbtdb->node_locks[node->locknum].lock); + new_reference(rbtdb, node); + NODE_STRONGUNLOCK(&rbtdb->node_locks[node->locknum].lock); + + *nodep = rbtdbiter->node; + + if (iterator->cleaning && result == ISC_R_SUCCESS) { + isc_result_t expire_result; + + /* + * If the deletion array is full, flush it before trying + * to expire the current node. The current node can't + * fully deleted while the iteration cursor is still on it. + */ + if (rbtdbiter->delete == DELETION_BATCH_MAX) + flush_deletions(rbtdbiter); + + expire_result = expirenode(iterator->db, *nodep, 0); + + /* + * expirenode() currently always returns success. + */ + if (expire_result == ISC_R_SUCCESS && node->down == NULL) { + unsigned int refs; + + rbtdbiter->deletions[rbtdbiter->delete++] = node; + NODE_STRONGLOCK(&rbtdb->node_locks[node->locknum].lock); + dns_rbtnode_refincrement(node, &refs); + INSIST(refs != 0); + NODE_STRONGUNLOCK(&rbtdb->node_locks[node->locknum].lock); + } + } + + return (result); } static isc_result_t dbiterator_pause(dns_dbiterator_t *iterator) { - dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)iterator->db; - rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; + dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)iterator->db; + rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; - if (rbtdbiter->result != ISC_R_SUCCESS && - rbtdbiter->result != ISC_R_NOMORE) - return (rbtdbiter->result); + if (rbtdbiter->result != ISC_R_SUCCESS && + rbtdbiter->result != ISC_R_NOMORE) + return (rbtdbiter->result); - if (rbtdbiter->paused) - return (ISC_R_SUCCESS); + if (rbtdbiter->paused) + return (ISC_R_SUCCESS); - rbtdbiter->paused = ISC_TRUE; + rbtdbiter->paused = ISC_TRUE; - if (rbtdbiter->tree_locked != isc_rwlocktype_none) { - INSIST(rbtdbiter->tree_locked == isc_rwlocktype_read); - RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); - rbtdbiter->tree_locked = isc_rwlocktype_none; - } + if (rbtdbiter->tree_locked != isc_rwlocktype_none) { + INSIST(rbtdbiter->tree_locked == isc_rwlocktype_read); + RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); + rbtdbiter->tree_locked = isc_rwlocktype_none; + } - flush_deletions(rbtdbiter); + flush_deletions(rbtdbiter); - return (ISC_R_SUCCESS); + return (ISC_R_SUCCESS); } static isc_result_t dbiterator_origin(dns_dbiterator_t *iterator, dns_name_t *name) { - rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; - dns_name_t *origin = dns_fixedname_name(&rbtdbiter->origin); + rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)iterator; + dns_name_t *origin = dns_fixedname_name(&rbtdbiter->origin); - if (rbtdbiter->result != ISC_R_SUCCESS) - return (rbtdbiter->result); + if (rbtdbiter->result != ISC_R_SUCCESS) + return (rbtdbiter->result); - return (dns_name_copy(origin, name, NULL)); + return (dns_name_copy(origin, name, NULL)); } /*% @@ -7119,352 +6950,351 @@ dbiterator_origin(dns_dbiterator_t *iterator, dns_name_t *name) { */ static isc_result_t rdataset_getadditional(dns_rdataset_t *rdataset, dns_rdatasetadditional_t type, - dns_rdatatype_t qtype, dns_acache_t *acache, - dns_zone_t **zonep, dns_db_t **dbp, - dns_dbversion_t **versionp, dns_dbnode_t **nodep, - dns_name_t *fname, dns_message_t *msg, - isc_stdtime_t now) + dns_rdatatype_t qtype, dns_acache_t *acache, + dns_zone_t **zonep, dns_db_t **dbp, + dns_dbversion_t **versionp, dns_dbnode_t **nodep, + dns_name_t *fname, dns_message_t *msg, + isc_stdtime_t now) { - dns_rbtdb_t *rbtdb = rdataset->private1; - dns_rbtnode_t *rbtnode = rdataset->private2; - unsigned char *raw = rdataset->private3; /* RDATASLAB */ - unsigned int current_count = rdataset->privateuint4; - unsigned int count; - rdatasetheader_t *header; - nodelock_t *nodelock; - unsigned int total_count; - acachectl_t *acarray; - dns_acacheentry_t *entry; - isc_result_t result; - - UNUSED(qtype); /* we do not use this value at least for now */ - UNUSED(acache); - - header = (struct rdatasetheader *)(raw - sizeof(*header)); - - total_count = raw[0] * 256 + raw[1]; - INSIST(total_count > current_count); - count = total_count - current_count - 1; - - acarray = NULL; - - nodelock = &rbtdb->node_locks[rbtnode->locknum].lock; - NODE_LOCK(nodelock, isc_rwlocktype_read); - - switch (type) { - case dns_rdatasetadditional_fromauth: - acarray = header->additional_auth; - break; - case dns_rdatasetadditional_fromcache: - acarray = NULL; - break; - case dns_rdatasetadditional_fromglue: - acarray = header->additional_glue; - break; - default: - INSIST(0); - } - - if (acarray == NULL) { - if (type != dns_rdatasetadditional_fromcache) - dns_acache_countquerymiss(acache); - NODE_UNLOCK(nodelock, isc_rwlocktype_read); - return (ISC_R_NOTFOUND); - } - - if (acarray[count].entry == NULL) { - dns_acache_countquerymiss(acache); - NODE_UNLOCK(nodelock, isc_rwlocktype_read); - return (ISC_R_NOTFOUND); - } - - entry = NULL; - dns_acache_attachentry(acarray[count].entry, &entry); - - NODE_UNLOCK(nodelock, isc_rwlocktype_read); - - result = dns_acache_getentry(entry, zonep, dbp, versionp, - nodep, fname, msg, now); - - dns_acache_detachentry(&entry); - - return (result); + dns_rbtdb_t *rbtdb = rdataset->private1; + dns_rbtnode_t *rbtnode = rdataset->private2; + unsigned char *raw = rdataset->private3; /* RDATASLAB */ + unsigned int current_count = rdataset->privateuint4; + unsigned int count; + rdatasetheader_t *header; + nodelock_t *nodelock; + unsigned int total_count; + acachectl_t *acarray; + dns_acacheentry_t *entry; + isc_result_t result; + + UNUSED(qtype); /* we do not use this value at least for now */ + UNUSED(acache); + + header = (struct rdatasetheader *)(raw - sizeof(*header)); + + total_count = raw[0] * 256 + raw[1]; + INSIST(total_count > current_count); + count = total_count - current_count - 1; + + acarray = NULL; + + nodelock = &rbtdb->node_locks[rbtnode->locknum].lock; + NODE_LOCK(nodelock, isc_rwlocktype_read); + + switch (type) { + case dns_rdatasetadditional_fromauth: + acarray = header->additional_auth; + break; + case dns_rdatasetadditional_fromcache: + acarray = NULL; + break; + case dns_rdatasetadditional_fromglue: + acarray = header->additional_glue; + break; + default: + INSIST(0); + } + + if (acarray == NULL) { + if (type != dns_rdatasetadditional_fromcache) + dns_acache_countquerymiss(acache); + NODE_UNLOCK(nodelock, isc_rwlocktype_read); + return (ISC_R_NOTFOUND); + } + + if (acarray[count].entry == NULL) { + dns_acache_countquerymiss(acache); + NODE_UNLOCK(nodelock, isc_rwlocktype_read); + return (ISC_R_NOTFOUND); + } + + entry = NULL; + dns_acache_attachentry(acarray[count].entry, &entry); + + NODE_UNLOCK(nodelock, isc_rwlocktype_read); + + result = dns_acache_getentry(entry, zonep, dbp, versionp, + nodep, fname, msg, now); + + dns_acache_detachentry(&entry); + + return (result); } static void acache_callback(dns_acacheentry_t *entry, void **arg) { - dns_rbtdb_t *rbtdb; - dns_rbtnode_t *rbtnode; - nodelock_t *nodelock; - acachectl_t *acarray = NULL; - acache_cbarg_t *cbarg; - unsigned int count; - - REQUIRE(arg != NULL); - cbarg = *arg; - - /* - * The caller must hold the entry lock. - */ - - rbtdb = (dns_rbtdb_t *)cbarg->db; - rbtnode = (dns_rbtnode_t *)cbarg->node; - - nodelock = &rbtdb->node_locks[rbtnode->locknum].lock; - NODE_LOCK(nodelock, isc_rwlocktype_write); - - switch (cbarg->type) { - case dns_rdatasetadditional_fromauth: - acarray = cbarg->header->additional_auth; - break; - case dns_rdatasetadditional_fromglue: - acarray = cbarg->header->additional_glue; - break; - default: - INSIST(0); - } - - count = cbarg->count; - if (acarray[count].entry == entry) - acarray[count].entry = NULL; - INSIST(acarray[count].cbarg != NULL); - isc_mem_put(rbtdb->common.mctx, acarray[count].cbarg, - sizeof(acache_cbarg_t)); - acarray[count].cbarg = NULL; - - dns_acache_detachentry(&entry); - - NODE_UNLOCK(nodelock, isc_rwlocktype_write); - - dns_db_detachnode((dns_db_t *)rbtdb, (dns_dbnode_t **)(void*)&rbtnode); - dns_db_detach((dns_db_t **)(void*)&rbtdb); - - *arg = NULL; + dns_rbtdb_t *rbtdb; + dns_rbtnode_t *rbtnode; + nodelock_t *nodelock; + acachectl_t *acarray = NULL; + acache_cbarg_t *cbarg; + unsigned int count; + + REQUIRE(arg != NULL); + cbarg = *arg; + + /* + * The caller must hold the entry lock. + */ + + rbtdb = (dns_rbtdb_t *)cbarg->db; + rbtnode = (dns_rbtnode_t *)cbarg->node; + + nodelock = &rbtdb->node_locks[rbtnode->locknum].lock; + NODE_LOCK(nodelock, isc_rwlocktype_write); + + switch (cbarg->type) { + case dns_rdatasetadditional_fromauth: + acarray = cbarg->header->additional_auth; + break; + case dns_rdatasetadditional_fromglue: + acarray = cbarg->header->additional_glue; + break; + default: + INSIST(0); + } + + count = cbarg->count; + if (acarray != NULL && acarray[count].entry == entry) { + acarray[count].entry = NULL; + INSIST(acarray[count].cbarg == cbarg); + isc_mem_put(rbtdb->common.mctx, cbarg, sizeof(acache_cbarg_t)); + acarray[count].cbarg = NULL; + } else + isc_mem_put(rbtdb->common.mctx, cbarg, sizeof(acache_cbarg_t)); + + dns_acache_detachentry(&entry); + + NODE_UNLOCK(nodelock, isc_rwlocktype_write); + + dns_db_detachnode((dns_db_t *)rbtdb, (dns_dbnode_t **)(void*)&rbtnode); + dns_db_detach((dns_db_t **)(void*)&rbtdb); + + *arg = NULL; } static void acache_cancelentry(isc_mem_t *mctx, dns_acacheentry_t *entry, - acache_cbarg_t **cbargp) + acache_cbarg_t **cbargp) { - acache_cbarg_t *cbarg; + acache_cbarg_t *cbarg; - REQUIRE(mctx != NULL); - REQUIRE(entry != NULL); - REQUIRE(cbargp != NULL && *cbargp != NULL); + REQUIRE(mctx != NULL); + REQUIRE(entry != NULL); + REQUIRE(cbargp != NULL && *cbargp != NULL); - cbarg = *cbargp; + cbarg = *cbargp; - dns_acache_cancelentry(entry); - dns_db_detachnode(cbarg->db, &cbarg->node); - dns_db_detach(&cbarg->db); + dns_acache_cancelentry(entry); + dns_db_detachnode(cbarg->db, &cbarg->node); + dns_db_detach(&cbarg->db); - isc_mem_put(mctx, cbarg, sizeof(acache_cbarg_t)); + isc_mem_put(mctx, cbarg, sizeof(acache_cbarg_t)); - *cbargp = NULL; + *cbargp = NULL; } static isc_result_t rdataset_setadditional(dns_rdataset_t *rdataset, dns_rdatasetadditional_t type, - dns_rdatatype_t qtype, dns_acache_t *acache, - dns_zone_t *zone, dns_db_t *db, - dns_dbversion_t *version, dns_dbnode_t *node, - dns_name_t *fname) + dns_rdatatype_t qtype, dns_acache_t *acache, + dns_zone_t *zone, dns_db_t *db, + dns_dbversion_t *version, dns_dbnode_t *node, + dns_name_t *fname) { - dns_rbtdb_t *rbtdb = rdataset->private1; - dns_rbtnode_t *rbtnode = rdataset->private2; - unsigned char *raw = rdataset->private3; /* RDATASLAB */ - unsigned int current_count = rdataset->privateuint4; - rdatasetheader_t *header; - unsigned int total_count, count; - nodelock_t *nodelock; - isc_result_t result; - acachectl_t *acarray; - dns_acacheentry_t *newentry, *oldentry = NULL; - acache_cbarg_t *newcbarg, *oldcbarg = NULL; - - UNUSED(qtype); - - if (type == dns_rdatasetadditional_fromcache) - return (ISC_R_SUCCESS); - - header = (struct rdatasetheader *)(raw - sizeof(*header)); - - total_count = raw[0] * 256 + raw[1]; - INSIST(total_count > current_count); - count = total_count - current_count - 1; /* should be private data */ - - newcbarg = isc_mem_get(rbtdb->common.mctx, sizeof(*newcbarg)); - if (newcbarg == NULL) - return (ISC_R_NOMEMORY); - newcbarg->type = type; - newcbarg->count = count; - newcbarg->header = header; - newcbarg->db = NULL; - dns_db_attach((dns_db_t *)rbtdb, &newcbarg->db); - newcbarg->node = NULL; - dns_db_attachnode((dns_db_t *)rbtdb, (dns_dbnode_t *)rbtnode, - &newcbarg->node); - newentry = NULL; - result = dns_acache_createentry(acache, (dns_db_t *)rbtdb, - acache_callback, newcbarg, &newentry); - if (result != ISC_R_SUCCESS) - goto fail; - /* Set cache data in the new entry. */ - result = dns_acache_setentry(acache, newentry, zone, db, - version, node, fname); - if (result != ISC_R_SUCCESS) - goto fail; - - nodelock = &rbtdb->node_locks[rbtnode->locknum].lock; - NODE_LOCK(nodelock, isc_rwlocktype_write); - - acarray = NULL; - switch (type) { - case dns_rdatasetadditional_fromauth: - acarray = header->additional_auth; - break; - case dns_rdatasetadditional_fromglue: - acarray = header->additional_glue; - break; - default: - INSIST(0); - } - - if (acarray == NULL) { - unsigned int i; - - acarray = isc_mem_get(rbtdb->common.mctx, total_count * - sizeof(acachectl_t)); - - if (acarray == NULL) { - NODE_UNLOCK(nodelock, isc_rwlocktype_write); - goto fail; - } - - for (i = 0; i < total_count; i++) { - acarray[i].entry = NULL; - acarray[i].cbarg = NULL; - } - } - switch (type) { - case dns_rdatasetadditional_fromauth: - header->additional_auth = acarray; - break; - case dns_rdatasetadditional_fromglue: - header->additional_glue = acarray; - break; - default: - INSIST(0); - } - - if (acarray[count].entry != NULL) { - /* - * Swap the entry. Delay cleaning-up the old entry since - * it would require a node lock. - */ - oldentry = acarray[count].entry; - INSIST(acarray[count].cbarg != NULL); - oldcbarg = acarray[count].cbarg; - } - acarray[count].entry = newentry; - acarray[count].cbarg = newcbarg; - - NODE_UNLOCK(nodelock, isc_rwlocktype_write); - - if (oldentry != NULL) { - if (oldcbarg != NULL) - acache_cancelentry(rbtdb->common.mctx, oldentry, - &oldcbarg); - dns_acache_detachentry(&oldentry); - } - - return (ISC_R_SUCCESS); + dns_rbtdb_t *rbtdb = rdataset->private1; + dns_rbtnode_t *rbtnode = rdataset->private2; + unsigned char *raw = rdataset->private3; /* RDATASLAB */ + unsigned int current_count = rdataset->privateuint4; + rdatasetheader_t *header; + unsigned int total_count, count; + nodelock_t *nodelock; + isc_result_t result; + acachectl_t *acarray; + dns_acacheentry_t *newentry, *oldentry = NULL; + acache_cbarg_t *newcbarg, *oldcbarg = NULL; + + UNUSED(qtype); + + if (type == dns_rdatasetadditional_fromcache) + return (ISC_R_SUCCESS); + + header = (struct rdatasetheader *)(raw - sizeof(*header)); + + total_count = raw[0] * 256 + raw[1]; + INSIST(total_count > current_count); + count = total_count - current_count - 1; /* should be private data */ + + newcbarg = isc_mem_get(rbtdb->common.mctx, sizeof(*newcbarg)); + if (newcbarg == NULL) + return (ISC_R_NOMEMORY); + newcbarg->type = type; + newcbarg->count = count; + newcbarg->header = header; + newcbarg->db = NULL; + dns_db_attach((dns_db_t *)rbtdb, &newcbarg->db); + newcbarg->node = NULL; + dns_db_attachnode((dns_db_t *)rbtdb, (dns_dbnode_t *)rbtnode, + &newcbarg->node); + newentry = NULL; + result = dns_acache_createentry(acache, (dns_db_t *)rbtdb, + acache_callback, newcbarg, &newentry); + if (result != ISC_R_SUCCESS) + goto fail; + /* Set cache data in the new entry. */ + result = dns_acache_setentry(acache, newentry, zone, db, + version, node, fname); + if (result != ISC_R_SUCCESS) + goto fail; + + nodelock = &rbtdb->node_locks[rbtnode->locknum].lock; + NODE_LOCK(nodelock, isc_rwlocktype_write); + + acarray = NULL; + switch (type) { + case dns_rdatasetadditional_fromauth: + acarray = header->additional_auth; + break; + case dns_rdatasetadditional_fromglue: + acarray = header->additional_glue; + break; + default: + INSIST(0); + } + + if (acarray == NULL) { + unsigned int i; + + acarray = isc_mem_get(rbtdb->common.mctx, total_count * + sizeof(acachectl_t)); + + if (acarray == NULL) { + NODE_UNLOCK(nodelock, isc_rwlocktype_write); + goto fail; + } + + for (i = 0; i < total_count; i++) { + acarray[i].entry = NULL; + acarray[i].cbarg = NULL; + } + } + switch (type) { + case dns_rdatasetadditional_fromauth: + header->additional_auth = acarray; + break; + case dns_rdatasetadditional_fromglue: + header->additional_glue = acarray; + break; + default: + INSIST(0); + } + + if (acarray[count].entry != NULL) { + /* + * Swap the entry. Delay cleaning-up the old entry since + * it would require a node lock. + */ + oldentry = acarray[count].entry; + INSIST(acarray[count].cbarg != NULL); + oldcbarg = acarray[count].cbarg; + } + acarray[count].entry = newentry; + acarray[count].cbarg = newcbarg; + + NODE_UNLOCK(nodelock, isc_rwlocktype_write); + + if (oldentry != NULL) { + acache_cancelentry(rbtdb->common.mctx, oldentry, &oldcbarg); + dns_acache_detachentry(&oldentry); + } + + return (ISC_R_SUCCESS); fail: - if (newcbarg != NULL) { - if (newentry != NULL) { - acache_cancelentry(rbtdb->common.mctx, newentry, - &newcbarg); - dns_acache_detachentry(&newentry); - } else { - dns_db_detachnode((dns_db_t *)rbtdb, &newcbarg->node); - dns_db_detach(&newcbarg->db); - isc_mem_put(rbtdb->common.mctx, newcbarg, - sizeof(*newcbarg)); - } - } - - return (result); + if (newcbarg != NULL) { + if (newentry != NULL) { + acache_cancelentry(rbtdb->common.mctx, newentry, + &newcbarg); + dns_acache_detachentry(&newentry); + } else { + dns_db_detachnode((dns_db_t *)rbtdb, &newcbarg->node); + dns_db_detach(&newcbarg->db); + isc_mem_put(rbtdb->common.mctx, newcbarg, + sizeof(*newcbarg)); + } + } + + return (result); } static isc_result_t rdataset_putadditional(dns_acache_t *acache, dns_rdataset_t *rdataset, - dns_rdatasetadditional_t type, dns_rdatatype_t qtype) + dns_rdatasetadditional_t type, dns_rdatatype_t qtype) { - dns_rbtdb_t *rbtdb = rdataset->private1; - dns_rbtnode_t *rbtnode = rdataset->private2; - unsigned char *raw = rdataset->private3; /* RDATASLAB */ - unsigned int current_count = rdataset->privateuint4; - rdatasetheader_t *header; - nodelock_t *nodelock; - unsigned int total_count, count; - acachectl_t *acarray; - dns_acacheentry_t *entry; - acache_cbarg_t *cbarg; - - UNUSED(qtype); /* we do not use this value at least for now */ - UNUSED(acache); - - if (type == dns_rdatasetadditional_fromcache) - return (ISC_R_SUCCESS); - - header = (struct rdatasetheader *)(raw - sizeof(*header)); - - total_count = raw[0] * 256 + raw[1]; - INSIST(total_count > current_count); - count = total_count - current_count - 1; - - acarray = NULL; - entry = NULL; - - nodelock = &rbtdb->node_locks[rbtnode->locknum].lock; - NODE_LOCK(nodelock, isc_rwlocktype_write); - - switch (type) { - case dns_rdatasetadditional_fromauth: - acarray = header->additional_auth; - break; - case dns_rdatasetadditional_fromglue: - acarray = header->additional_glue; - break; - default: - INSIST(0); - } - - if (acarray == NULL) { - NODE_UNLOCK(nodelock, isc_rwlocktype_write); - return (ISC_R_NOTFOUND); - } - - entry = acarray[count].entry; - if (entry == NULL) { - NODE_UNLOCK(nodelock, isc_rwlocktype_write); - return (ISC_R_NOTFOUND); - } - - acarray[count].entry = NULL; - cbarg = acarray[count].cbarg; - acarray[count].cbarg = NULL; - - NODE_UNLOCK(nodelock, isc_rwlocktype_write); - - if (entry != NULL) { - if (cbarg != NULL) - acache_cancelentry(rbtdb->common.mctx, entry, &cbarg); - dns_acache_detachentry(&entry); - } - - return (ISC_R_SUCCESS); + dns_rbtdb_t *rbtdb = rdataset->private1; + dns_rbtnode_t *rbtnode = rdataset->private2; + unsigned char *raw = rdataset->private3; /* RDATASLAB */ + unsigned int current_count = rdataset->privateuint4; + rdatasetheader_t *header; + nodelock_t *nodelock; + unsigned int total_count, count; + acachectl_t *acarray; + dns_acacheentry_t *entry; + acache_cbarg_t *cbarg; + + UNUSED(qtype); /* we do not use this value at least for now */ + UNUSED(acache); + + if (type == dns_rdatasetadditional_fromcache) + return (ISC_R_SUCCESS); + + header = (struct rdatasetheader *)(raw - sizeof(*header)); + + total_count = raw[0] * 256 + raw[1]; + INSIST(total_count > current_count); + count = total_count - current_count - 1; + + acarray = NULL; + entry = NULL; + + nodelock = &rbtdb->node_locks[rbtnode->locknum].lock; + NODE_LOCK(nodelock, isc_rwlocktype_write); + + switch (type) { + case dns_rdatasetadditional_fromauth: + acarray = header->additional_auth; + break; + case dns_rdatasetadditional_fromglue: + acarray = header->additional_glue; + break; + default: + INSIST(0); + } + + if (acarray == NULL) { + NODE_UNLOCK(nodelock, isc_rwlocktype_write); + return (ISC_R_NOTFOUND); + } + + entry = acarray[count].entry; + if (entry == NULL) { + NODE_UNLOCK(nodelock, isc_rwlocktype_write); + return (ISC_R_NOTFOUND); + } + + acarray[count].entry = NULL; + cbarg = acarray[count].cbarg; + acarray[count].cbarg = NULL; + + NODE_UNLOCK(nodelock, isc_rwlocktype_write); + + if (entry != NULL) { + if (cbarg != NULL) + acache_cancelentry(rbtdb->common.mctx, entry, &cbarg); + dns_acache_detachentry(&entry); + } + + return (ISC_R_SUCCESS); } /*% @@ -7487,28 +7317,28 @@ rdataset_putadditional(dns_acache_t *acache, dns_rdataset_t *rdataset, */ static inline isc_boolean_t need_headerupdate(rdatasetheader_t *header, isc_stdtime_t now) { - if ((header->attributes & - (RDATASET_ATTR_NONEXISTENT|RDATASET_ATTR_STALE)) != 0) - return (ISC_FALSE); + if ((header->attributes & + (RDATASET_ATTR_NONEXISTENT|RDATASET_ATTR_STALE)) != 0) + return (ISC_FALSE); #ifdef ISC_PLATFORM_USETHREADS - if (header->type == dns_rdatatype_ns || - (header->trust == dns_trust_glue && - (header->type == dns_rdatatype_a || - header->type == dns_rdatatype_aaaa))) { - /* - * Glue records are updated if at least 60 seconds have passed - * since the previous update time. - */ - return (header->last_used + 60 <= now); - } - - /* Other records are updated if 5 minutes have passed. */ - return (header->last_used + 300 <= now); + if (header->type == dns_rdatatype_ns || + (header->trust == dns_trust_glue && + (header->type == dns_rdatatype_a || + header->type == dns_rdatatype_aaaa))) { + /* + * Glue records are updated if at least 60 seconds have passed + * since the previous update time. + */ + return (header->last_used + 60 <= now); + } + + /* Other records are updated if 5 minutes have passed. */ + return (header->last_used + 300 <= now); #else - UNUSED(now); + UNUSED(now); - return (ISC_TRUE); + return (ISC_TRUE); #endif } @@ -7522,16 +7352,16 @@ need_headerupdate(rdatasetheader_t *header, isc_stdtime_t now) { */ static void update_header(dns_rbtdb_t *rbtdb, rdatasetheader_t *header, - isc_stdtime_t now) + isc_stdtime_t now) { - /* To be checked: can we really assume this? XXXMLG */ - INSIST(ISC_LINK_LINKED(header, lru_link)); - - ISC_LIST_UNLINK(rbtdb->rdatasets[header->node->locknum], - header, lru_link); - header->last_used = now; - ISC_LIST_PREPEND(rbtdb->rdatasets[header->node->locknum], - header, lru_link); + /* To be checked: can we really assume this? XXXMLG */ + INSIST(ISC_LINK_LINKED(header, lru_link)); + + ISC_LIST_UNLINK(rbtdb->rdatasets[header->node->locknum], + header, lru_link); + header->last_used = now; + ISC_LIST_PREPEND(rbtdb->rdatasets[header->node->locknum], + header, lru_link); } /*% @@ -7549,83 +7379,65 @@ update_header(dns_rbtdb_t *rbtdb, rdatasetheader_t *header, */ static void check_stale_cache(dns_rbtdb_t *rbtdb, dns_rbtnode_t *rbtnode, - isc_stdtime_t now, isc_boolean_t tree_locked) + isc_stdtime_t now, isc_boolean_t tree_locked) { - rdatasetheader_t *victim; - isc_boolean_t overmem = rbtdb->overmem; - int scans = 0; /* for debug */ - int victims = 0; - - /* - * Check for TTL-based expiry. - */ - victim = isc_heap_element(rbtdb->heaps[rbtnode->locknum], 1); - if (victim != NULL && victim->rdh_ttl <= now - RBTDB_VIRTUAL) { - INSIST(victim->node->locknum == rbtnode->locknum); - -#ifdef LRU_DEBUG - /* for debug */ - rbtdb->cachestat.stale_expire++; -#endif - victims++; - - set_ttl(rbtdb, victim, 0); - victim->attributes |= RDATASET_ATTR_STALE; - victim->node->dirty = 1; - - if (dns_rbtnode_refcurrent(victim->node) == 0) { - INSIST(rbtnode != victim->node); - /* - * If no one else is using the node, we can - * clean it up now. We first need to gain - * a new reference to the node to meet a - * requirement of decrement_reference(). - */ - new_reference(rbtdb, victim->node); - decrement_reference(rbtdb, victim->node, 0, - isc_rwlocktype_write, - tree_locked ? isc_rwlocktype_write : - isc_rwlocktype_none); - } - } - - /* - * If we are over memory, delete the end entry from the LRU. - */ - victim = ISC_LIST_TAIL(rbtdb->rdatasets[rbtnode->locknum]); - if (victim != NULL && overmem) { - INSIST(victim->node->locknum == rbtnode->locknum); - -#ifdef LRU_DEBUG - /* for debug */ - rbtdb->cachestat.stale_lru++; -#endif - victims++; - scans++; - - set_ttl(rbtdb, victim, 0); - victim->attributes |= RDATASET_ATTR_STALE; - victim->node->dirty = 1; - - if (dns_rbtnode_refcurrent(victim->node) == 0) { - INSIST(rbtnode != victim->node); - /* - * If no one else is using the node, we can - * clean it up now. We first need to gain - * a new reference to the node to meet a - * requirement of decrement_reference(). - */ - new_reference(rbtdb, victim->node); - decrement_reference(rbtdb, victim->node, 0, - isc_rwlocktype_write, - tree_locked ? isc_rwlocktype_write : - isc_rwlocktype_none); - } - } - -#ifdef LRU_DEBUG - /* update statistics for debug (no lock for brevity) */ - rbtdb->cachestat.stale_scan += scans; - rbtdb->cachestat.stale_purge += victims; -#endif + rdatasetheader_t *victim; + isc_boolean_t overmem = rbtdb->overmem; + int victims = 0; + + /* + * Check for TTL-based expiry. + */ + victim = isc_heap_element(rbtdb->heaps[rbtnode->locknum], 1); + if (victim != NULL && victim->rdh_ttl <= now - RBTDB_VIRTUAL) { + INSIST(victim->node->locknum == rbtnode->locknum); + victims++; + + set_ttl(rbtdb, victim, 0); + victim->attributes |= RDATASET_ATTR_STALE; + victim->node->dirty = 1; + + if (dns_rbtnode_refcurrent(victim->node) == 0) { + INSIST(rbtnode != victim->node); + /* + * If no one else is using the node, we can + * clean it up now. We first need to gain + * a new reference to the node to meet a + * requirement of decrement_reference(). + */ + new_reference(rbtdb, victim->node); + decrement_reference(rbtdb, victim->node, 0, + isc_rwlocktype_write, + tree_locked ? isc_rwlocktype_write : + isc_rwlocktype_none); + } + } + + /* + * If we are over memory, delete the end entry from the LRU. + */ + victim = ISC_LIST_TAIL(rbtdb->rdatasets[rbtnode->locknum]); + if (victim != NULL && overmem) { + INSIST(victim->node->locknum == rbtnode->locknum); + victims++; + + set_ttl(rbtdb, victim, 0); + victim->attributes |= RDATASET_ATTR_STALE; + victim->node->dirty = 1; + + if (dns_rbtnode_refcurrent(victim->node) == 0) { + INSIST(rbtnode != victim->node); + /* + * If no one else is using the node, we can + * clean it up now. We first need to gain + * a new reference to the node to meet a + * requirement of decrement_reference(). + */ + new_reference(rbtdb, victim->node); + decrement_reference(rbtdb, victim->node, 0, + isc_rwlocktype_write, + tree_locked ? isc_rwlocktype_write : + isc_rwlocktype_none); + } + } } diff --git a/lib/dns/rdata/generic/txt_16.c b/lib/dns/rdata/generic/txt_16.c index 1d0a27a0..d3c9dc39 100644 --- a/lib/dns/rdata/generic/txt_16.c +++ b/lib/dns/rdata/generic/txt_16.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1998-2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: txt_16.c,v 1.43 2007/06/19 23:47:17 tbox Exp $ */ +/* $Id: txt_16.c,v 1.43.128.2 2008/02/15 23:46:22 tbox Exp $ */ /* Reviewed: Thu Mar 16 15:40:00 PST 2000 by bwelling */ @@ -142,7 +142,7 @@ fromstruct_txt(ARGS_FROMSTRUCT) { while (region.length > 0) { length = uint8_fromregion(®ion); isc_region_consume(®ion, 1); - if (region.length <= length) + if (region.length < length) return (ISC_R_UNEXPECTEDEND); isc_region_consume(®ion, length); } diff --git a/lib/dns/rdata/in_1/naptr_35.c b/lib/dns/rdata/in_1/naptr_35.c index 2b28711a..18ea614a 100644 --- a/lib/dns/rdata/in_1/naptr_35.c +++ b/lib/dns/rdata/in_1/naptr_35.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: naptr_35.c,v 1.51 2007/06/19 23:47:17 tbox Exp $ */ +/* $Id: naptr_35.c,v 1.51.128.2 2008/02/15 23:46:22 tbox Exp $ */ /* Reviewed: Thu Mar 16 16:52:50 PST 2000 by bwelling */ @@ -154,7 +154,7 @@ totext_in_naptr(ARGS_TOTEXT) { static inline isc_result_t fromwire_in_naptr(ARGS_FROMWIRE) { - dns_name_t name; + dns_name_t name; isc_region_t sr; REQUIRE(type == 35); @@ -165,7 +165,7 @@ fromwire_in_naptr(ARGS_FROMWIRE) { dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE); - dns_name_init(&name, NULL); + dns_name_init(&name, NULL); /* * Order, preference. @@ -321,8 +321,8 @@ fromstruct_in_naptr(ARGS_FROMSTRUCT) { REQUIRE(naptr->common.rdtype == type); REQUIRE(naptr->common.rdclass == rdclass); REQUIRE(naptr->flags != NULL || naptr->flags_len == 0); - REQUIRE(naptr->service != NULL && naptr->service_len == 0); - REQUIRE(naptr->regexp != NULL && naptr->regexp_len == 0); + REQUIRE(naptr->service != NULL || naptr->service_len == 0); + REQUIRE(naptr->regexp != NULL || naptr->regexp_len == 0); UNUSED(type); UNUSED(rdclass); diff --git a/lib/dns/rdatalist.c b/lib/dns/rdatalist.c index 4c775d2a..836d9974 100644 --- a/lib/dns/rdatalist.c +++ b/lib/dns/rdatalist.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: rdatalist.c,v 1.33 2007/06/19 23:47:16 tbox Exp $ */ +/* $Id: rdatalist.c,v 1.33.128.2 2008/04/03 06:08:27 tbox Exp $ */ /*! \file */ @@ -88,6 +88,16 @@ dns_rdatalist_tordataset(dns_rdatalist_t *rdatalist, return (ISC_R_SUCCESS); } +isc_result_t +dns_rdatalist_fromrdataset(dns_rdataset_t *rdataset, + dns_rdatalist_t **rdatalist) +{ + REQUIRE(rdatalist != NULL && rdataset != NULL); + *rdatalist = rdataset->private1; + + return (ISC_R_SUCCESS); +} + void isc__rdatalist_disassociate(dns_rdataset_t *rdataset) { UNUSED(rdataset); diff --git a/lib/dns/rdataslab.c b/lib/dns/rdataslab.c index 6de77bac..5059a744 100644 --- a/lib/dns/rdataslab.c +++ b/lib/dns/rdataslab.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: rdataslab.c,v 1.43 2007/06/18 23:47:41 tbox Exp $ */ +/* $Id: rdataslab.c,v 1.43.128.2 2008/04/23 23:46:29 tbox Exp $ */ /*! \file */ @@ -33,10 +33,6 @@ #include <dns/rdataset.h> #include <dns/rdataslab.h> -#ifndef DNS_RDATASET_FIXED -#define DNS_RDATASET_FIXED 1 -#endif - /* * The rdataslab structure allows iteration to occur in both load order * and DNSSEC order. The structure is as follows: @@ -246,7 +242,7 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx, result = ISC_R_NOMEMORY; goto free_rdatas; } - + #if DNS_RDATASET_FIXED /* Allocate temporary offset table. */ offsettable = isc_mem_get(mctx, nalloc * sizeof(unsigned int)); @@ -288,7 +284,7 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx, memcpy(rawbuf, x[i].rdata.data, x[i].rdata.length); rawbuf += x[i].rdata.length; } - + #if DNS_RDATASET_FIXED fillin_offsets(offsetbase, offsettable, nalloc); isc_mem_put(mctx, offsettable, nalloc * sizeof(unsigned int)); @@ -368,7 +364,7 @@ rdataset_current(dns_rdataset_t *rdataset, dns_rdata_t *rdata) { raw += 4; #else raw += 2; -#endif +#endif r.base = raw; dns_rdata_fromregion(rdata, rdataset->rdclass, rdataset->type, &r); } @@ -511,7 +507,7 @@ rdata_in_slab(unsigned char *slab, unsigned int reservelen, for (i = 0; i < count; i++) { rdata_from_slab(¤t, rdclass, type, &trdata); - + n = dns_rdata_compare(&trdata, rdata); if (n == 0) return (ISC_TRUE); @@ -799,8 +795,8 @@ dns_rdataslab_subtract(unsigned char *mslab, unsigned char *sslab, #if DNS_RDATASET_FIXED unsigned char *offsetbase; unsigned int *offsettable; -#endif unsigned int order; +#endif REQUIRE(tslabp != NULL && *tslabp == NULL); REQUIRE(mslab != NULL && sslab != NULL); diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c index e655686b..12a371d3 100644 --- a/lib/dns/resolver.c +++ b/lib/dns/resolver.c @@ -15,12 +15,13 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: resolver.c,v 1.355.12.4 2008/01/17 23:46:37 tbox Exp $ */ +/* $Id: resolver.c,v 1.355.12.15 2008/05/06 01:11:30 each Exp $ */ /*! \file */ #include <config.h> +#include <isc/platform.h> #include <isc/print.h> #include <isc/string.h> #include <isc/random.h> @@ -53,6 +54,7 @@ #include <dns/resolver.h> #include <dns/result.h> #include <dns/rootns.h> +#include <dns/stats.h> #include <dns/tsig.h> #include <dns/validator.h> @@ -222,7 +224,7 @@ struct fetchctx { /*% * Look aside state for DS lookups. */ - dns_name_t nsname; + dns_name_t nsname; dns_fetch_t * nsfetch; dns_rdataset_t nsrrset; @@ -351,11 +353,7 @@ struct dns_resolver { isc_timer_t * spillattimer; isc_boolean_t zero_no_soa_ttl; isc_timer_t * disppooltimer; -#ifdef LRU_DEBUG -#define DUMP_INTERVAL 30 /* seconds */ - isc_timer_t * dumptimer; - isc_time_t dump_time; -#endif + /* Locked by lock. */ unsigned int references; isc_boolean_t exiting; @@ -371,15 +369,6 @@ struct dns_resolver { /* Locked by poollock. */ dns_dispatch_t ** dispatchv4pool; dns_dispatch_t ** dispatchv6pool; - -#ifdef LRU_DEBUG - /* Unlocked: just for debug */ - unsigned int extqueries; - unsigned int extqueries_ns; - unsigned int extqueries_soa; - unsigned int extqueries_a; - unsigned int extqueries_aaaa; -#endif }; #define RES_MAGIC ISC_MAGIC('R', 'e', 's', '!') @@ -403,7 +392,7 @@ static void empty_bucket(dns_resolver_t *res); static isc_result_t resquery_send(resquery_t *query); static void resquery_response(isc_task_t *task, isc_event_t *event); static void resquery_connected(isc_task_t *task, isc_event_t *event); -static void fctx_try(fetchctx_t *fctx); +static void fctx_try(fetchctx_t *fctx, isc_boolean_t retrying); static isc_boolean_t fctx_destroy(fetchctx_t *fctx); static isc_result_t ncache_adderesult(dns_message_t *message, dns_db_t *cache, dns_dbnode_t *node, @@ -414,9 +403,14 @@ static isc_result_t ncache_adderesult(dns_message_t *message, static void validated(isc_task_t *task, isc_event_t *event); static void maybe_destroy(fetchctx_t *fctx); -#ifdef LRU_DEBUG -static void timer_dump(isc_task_t *task, isc_event_t *ev); -#endif +/*% + * Increment resolver-related statistics counters. + */ +static inline void +inc_stats(dns_resolver_t *res, dns_statscounter_t counter) { + if (res->view->resstats != NULL) + dns_generalstats_increment(res->view->resstats, counter); +} static isc_result_t valcreate(fetchctx_t *fctx, dns_adbaddrinfo_t *addrinfo, dns_name_t *name, @@ -444,6 +438,7 @@ valcreate(fetchctx_t *fctx, dns_adbaddrinfo_t *addrinfo, dns_name_t *name, valoptions, task, validated, valarg, &validator); if (result == ISC_R_SUCCESS) { + inc_stats(fctx->res, dns_resstatscounter_val); if ((valoptions & DNS_VALIDATOR_DEFER) == 0) { INSIST(fctx->validator == NULL); fctx->validator = validator; @@ -988,12 +983,13 @@ resquery_senddone(isc_task_t *task, isc_event_t *event) { if (result != ISC_R_SUCCESS) fctx_done(fctx, result); else - fctx_try(fctx); + fctx_try(fctx, ISC_TRUE); } } static inline isc_result_t -fctx_addopt(dns_message_t *message, unsigned int version, isc_uint16_t udpsize) +fctx_addopt(dns_message_t *message, unsigned int version, + isc_uint16_t udpsize, isc_boolean_t request_nsid) { dns_rdataset_t *rdataset; dns_rdatalist_t *rdatalist; @@ -1029,10 +1025,23 @@ fctx_addopt(dns_message_t *message, unsigned int version, isc_uint16_t udpsize) rdatalist->ttl |= DNS_MESSAGEEXTFLAG_DO; /* - * No EDNS options. + * Set EDNS options if applicable */ - rdata->data = NULL; - rdata->length = 0; + if (request_nsid) { + /* Send empty NSID option (RFC5001) */ + unsigned char data[4]; + isc_buffer_t buf; + + isc_buffer_init(&buf, data, sizeof(data)); + isc_buffer_putuint16(&buf, DNS_OPT_NSID); + isc_buffer_putuint16(&buf, 0); + rdata->data = data; + rdata->length = sizeof(data); + } else { + rdata->data = NULL; + rdata->length = 0; + } + rdata->rdclass = rdatalist->rdclass; rdata->type = rdatalist->type; rdata->flags = 0; @@ -1289,6 +1298,13 @@ fctx_query(fetchctx_t *fctx, dns_adbaddrinfo_t *addrinfo, ISC_LIST_APPEND(fctx->queries, query, link); query->fctx->nqueries++; + if (isc_sockaddr_pf(&addrinfo->sockaddr) == PF_INET) + inc_stats(res, dns_resstatscounter_queryv4); + else + inc_stats(res, dns_resstatscounter_queryv6); + if (res->view->resquerystats != NULL) + dns_rdatatypestats_increment(res->view->resquerystats, + fctx->type); return (ISC_R_SUCCESS); @@ -1548,6 +1564,7 @@ resquery_send(resquery_t *query) { unsigned int version = 0; /* Default version. */ unsigned int flags; isc_uint16_t udpsize = res->udpsize; + isc_boolean_t reqnsid = res->view->requestnsid; flags = query->addrinfo->flags; if ((flags & DNS_FETCHOPT_EDNSVERSIONSET) != 0) { @@ -1558,8 +1575,15 @@ resquery_send(resquery_t *query) { udpsize = 512; else if (peer != NULL) (void)dns_peer_getudpsize(peer, &udpsize); - result = fctx_addopt(fctx->qmessage, version, udpsize); - if (result != ISC_R_SUCCESS) { + + /* request NSID for current view or peer? */ + if (peer != NULL) + (void) dns_peer_getrequestnsid(peer, &reqnsid); + result = fctx_addopt(fctx->qmessage, version, + udpsize, reqnsid); + if (reqnsid && result == ISC_R_SUCCESS) { + query->options |= DNS_FETCHOPT_WANTNSID; + } else if (result != ISC_R_SUCCESS) { /* * We couldn't add the OPT, but we'll press on. * We're not using EDNS0, so set the NOEDNS0 @@ -1665,23 +1689,6 @@ resquery_send(resquery_t *query) { if (result != ISC_R_SUCCESS) goto cleanup_message; -#ifdef LRU_DEBUG - res->extqueries++; - switch (fctx->type) { - case dns_rdatatype_ns: - res->extqueries_ns++; - break; - case dns_rdatatype_soa: - res->extqueries_soa++; - break; - case dns_rdatatype_a: - res->extqueries_a++; - break; - case dns_rdatatype_aaaa: - res->extqueries_aaaa++; - break; - } -#endif query->sends++; QTRACE("sent"); @@ -1816,7 +1823,7 @@ resquery_connected(isc_task_t *task, isc_event_t *event) { if (result != ISC_R_SUCCESS) fctx_done(fctx, result); else - fctx_try(fctx); + fctx_try(fctx, ISC_TRUE); } } @@ -1875,7 +1882,7 @@ fctx_finddone(isc_task_t *task, isc_event_t *event) { dns_adb_destroyfind(&find); if (want_try) - fctx_try(fctx); + fctx_try(fctx, ISC_TRUE); else if (want_done) fctx_done(fctx, ISC_R_FAILURE); else if (bucket_empty) @@ -2270,6 +2277,13 @@ fctx_getaddresses(fetchctx_t *fctx) { } while (sa != NULL) { + if ((isc_sockaddr_pf(sa) == AF_INET && + fctx->res->dispatchv4 == NULL) || + (isc_sockaddr_pf(sa) == AF_INET6 && + fctx->res->dispatchv6 == NULL)) { + sa = ISC_LIST_NEXT(sa, link); + continue; + } ai = NULL; result = dns_adb_findaddrinfo(fctx->adb, sa, &ai, 0); /* XXXMLG */ @@ -2627,7 +2641,7 @@ fctx_nextaddress(fetchctx_t *fctx) { } static void -fctx_try(fetchctx_t *fctx) { +fctx_try(fetchctx_t *fctx, isc_boolean_t retrying) { isc_result_t result; dns_adbaddrinfo_t *addrinfo; @@ -2675,6 +2689,8 @@ fctx_try(fetchctx_t *fctx) { result = fctx_query(fctx, addrinfo, fctx->options); if (result != ISC_R_SUCCESS) fctx_done(fctx, result); + else if (retrying) + inc_stats(fctx->res, dns_resstatscounter_retry); } static isc_boolean_t @@ -2792,7 +2808,7 @@ fctx_timeout(isc_task_t *task, isc_event_t *event) { /* * Keep trying. */ - fctx_try(fctx); + fctx_try(fctx, ISC_TRUE); } isc_event_free(&event); @@ -2962,7 +2978,7 @@ fctx_start(isc_task_t *task, isc_event_t *event) { if (result != ISC_R_SUCCESS) fctx_done(fctx, result); else - fctx_try(fctx); + fctx_try(fctx, ISC_FALSE); } else if (bucket_empty) empty_bucket(res); } @@ -3565,6 +3581,7 @@ validated(isc_task_t *task, isc_event_t *event) { if (vevent->result != ISC_R_SUCCESS) { FCTXTRACE("validation failed"); + inc_stats(fctx->res, dns_resstatscounter_valfail); result = ISC_R_NOTFOUND; if (vevent->rdataset != NULL) result = dns_db_findnode(fctx->cache, vevent->name, @@ -3589,7 +3606,7 @@ validated(isc_task_t *task, isc_event_t *event) { } else if (sentresponse) fctx_done(fctx, result); /* Locks bucket. */ else - fctx_try(fctx); /* Locks bucket. */ + fctx_try(fctx, ISC_TRUE); /* Locks bucket. */ return; } @@ -3599,6 +3616,8 @@ validated(isc_task_t *task, isc_event_t *event) { dns_rdatatype_t covers; FCTXTRACE("nonexistence validation OK"); + inc_stats(fctx->res, dns_resstatscounter_valnegsuccess); + if (fctx->rmessage->rcode == dns_rcode_nxdomain) covers = dns_rdatatype_any; else @@ -3626,7 +3645,8 @@ validated(isc_task_t *task, isc_event_t *event) { if (result != ISC_R_SUCCESS) goto noanswer_response; goto answer_response; - } + } else + inc_stats(fctx->res, dns_resstatscounter_valsuccess); FCTXTRACE("validation OK"); @@ -5355,7 +5375,7 @@ resume_dslookup(isc_task_t *task, isc_event_t *event) { /* * Try again. */ - fctx_try(fctx); + fctx_try(fctx, ISC_TRUE); } else { unsigned int n; dns_rdataset_t *nsrdataset = NULL; @@ -5461,6 +5481,65 @@ checknames(dns_message_t *message) { checknamessection(message, DNS_SECTION_ADDITIONAL); } +/* + * Log server NSID at log level 'level' + */ +static isc_result_t +log_nsid(dns_rdataset_t *opt, resquery_t *query, int level, isc_mem_t *mctx) +{ + static const char hex[17] = "0123456789abcdef"; + char addrbuf[ISC_SOCKADDR_FORMATSIZE]; + isc_uint16_t optcode, nsid_len, buflen, i; + isc_result_t result; + isc_buffer_t nsidbuf; + dns_rdata_t rdata; + unsigned char *p, *buf, *nsid; + + /* Extract rdata from OPT rdataset */ + result = dns_rdataset_first(opt); + if (result != ISC_R_SUCCESS) + return (ISC_R_FAILURE); + + dns_rdata_init(&rdata); + dns_rdataset_current(opt, &rdata); + if (rdata.length < 4) + return (ISC_R_FAILURE); + + /* Check for NSID */ + isc_buffer_init(&nsidbuf, rdata.data, rdata.length); + isc_buffer_add(&nsidbuf, rdata.length); + optcode = isc_buffer_getuint16(&nsidbuf); + nsid_len = isc_buffer_getuint16(&nsidbuf); + if (optcode != DNS_OPT_NSID || nsid_len == 0) + return (ISC_R_FAILURE); + + /* Allocate buffer for storing hex version of the NSID */ + buflen = nsid_len * 2 + 1; + buf = isc_mem_get(mctx, buflen); + if (buf == NULL) + return (ISC_R_NOSPACE); + + /* Convert to hex */ + p = buf; + nsid = rdata.data + 4; + for (i = 0; i < nsid_len; i++) { + *p++ = hex[(nsid[0] >> 4) & 0xf]; + *p++ = hex[nsid[0] & 0xf]; + nsid++; + } + *p = '\0'; + + isc_sockaddr_format(&query->addrinfo->sockaddr, addrbuf, + sizeof(addrbuf)); + isc_log_write(dns_lctx, DNS_LOGCATEGORY_RESOLVER, + DNS_LOGMODULE_RESOLVER, level, + "received NSID '%s' from %s", buf, addrbuf); + + /* Clean up */ + isc_mem_put(mctx, buf, buflen); + return (ISC_R_SUCCESS); +} + static void log_packet(dns_message_t *message, int level, isc_mem_t *mctx) { isc_buffer_t buffer; @@ -5506,6 +5585,7 @@ resquery_response(isc_task_t *task, isc_event_t *event) { isc_boolean_t keep_trying, get_nameservers, resend; isc_boolean_t truncated; dns_message_t *message; + dns_rdataset_t *opt; fetchctx_t *fctx; dns_name_t *fname; dns_fixedname_t foundname; @@ -5524,6 +5604,11 @@ resquery_response(isc_task_t *task, isc_event_t *event) { QTRACE("response"); + if (isc_sockaddr_pf(&query->addrinfo->sockaddr) == PF_INET) + inc_stats(fctx->res, dns_resstatscounter_responsev4); + else + inc_stats(fctx->res, dns_resstatscounter_responsev6); + (void)isc_timer_touch(fctx->timer); keep_trying = ISC_FALSE; @@ -5625,6 +5710,8 @@ resquery_response(isc_task_t *task, isc_event_t *event) { query->addrinfo, DNS_FETCHOPT_NOEDNS0, DNS_FETCHOPT_NOEDNS0); + inc_stats(fctx->res, + dns_resstatscounter_edns0fail); } else { broken_server = result; keep_trying = ISC_TRUE; @@ -5653,6 +5740,8 @@ resquery_response(isc_task_t *task, isc_event_t *event) { query->addrinfo, DNS_FETCHOPT_NOEDNS0, DNS_FETCHOPT_NOEDNS0); + inc_stats(fctx->res, + dns_resstatscounter_edns0fail); } else { broken_server = DNS_R_UNEXPECTEDRCODE; keep_trying = ISC_TRUE; @@ -5666,12 +5755,21 @@ resquery_response(isc_task_t *task, isc_event_t *event) { } } + /* * Log the incoming packet. */ log_packet(message, ISC_LOG_DEBUG(10), fctx->res->mctx); /* + * Did we request NSID? If so, and if the response contains + * NSID data, log it at INFO level. + */ + opt = dns_message_getopt(message); + if (opt != NULL && (query->options & DNS_FETCHOPT_WANTNSID) != 0) + log_nsid(opt, query, ISC_LOG_INFO, fctx->res->mctx); + + /* * If the message is signed, check the signature. If not, this * returns success anyway. */ @@ -5699,6 +5797,7 @@ resquery_response(isc_task_t *task, isc_event_t *event) { truncated = ISC_TRUE; if (truncated) { + inc_stats(fctx->res, dns_resstatscounter_truncated); if ((options & DNS_FETCHOPT_TCP) != 0) { broken_server = DNS_R_TRUNCATEDTCP; keep_trying = ISC_TRUE; @@ -5720,6 +5819,26 @@ resquery_response(isc_task_t *task, isc_event_t *event) { } /* + * Update statistics about erroneous responses. + */ + if (message->rcode != dns_rcode_noerror) { + switch (message->rcode) { + case dns_rcode_nxdomain: + inc_stats(fctx->res, dns_resstatscounter_nxdomain); + break; + case dns_rcode_servfail: + inc_stats(fctx->res, dns_resstatscounter_servfail); + break; + case dns_rcode_formerr: + inc_stats(fctx->res, dns_resstatscounter_formerr); + break; + default: + inc_stats(fctx->res, dns_resstatscounter_othererror); + break; + } + } + + /* * Is the remote server broken, or does it dislike us? */ if (message->rcode != dns_rcode_noerror && @@ -5744,6 +5863,7 @@ resquery_response(isc_task_t *task, isc_event_t *event) { dns_adb_changeflags(fctx->adb, query->addrinfo, DNS_FETCHOPT_NOEDNS0, DNS_FETCHOPT_NOEDNS0); + inc_stats(fctx->res, dns_resstatscounter_edns0fail); } else if (message->rcode == dns_rcode_formerr) { if (ISFORWARDER(query->addrinfo)) { /* @@ -5771,12 +5891,10 @@ resquery_response(isc_task_t *task, isc_event_t *event) { */ result = DNS_R_YXDOMAIN; } else if (message->rcode == dns_rcode_badvers) { - dns_rdataset_t *opt; unsigned int flags, mask; unsigned int version; resend = ISC_TRUE; - opt = dns_message_getopt(message); version = (opt->ttl >> 16) & 0xff; flags = (version << DNS_FETCHOPT_EDNSVERSIONSHIFT) | DNS_FETCHOPT_EDNSVERSIONSET; @@ -5819,6 +5937,7 @@ resquery_response(isc_task_t *task, isc_event_t *event) { */ if (fctx->res->lame_ttl != 0 && !ISFORWARDER(query->addrinfo) && is_lame(fctx)) { + inc_stats(fctx->res, dns_resstatscounter_lame); log_lame(fctx, query->addrinfo); result = dns_adb_marklame(fctx->adb, query->addrinfo, &fctx->name, fctx->type, @@ -6062,12 +6181,13 @@ resquery_response(isc_task_t *task, isc_event_t *event) { /* * Try again. */ - fctx_try(fctx); + fctx_try(fctx, !get_nameservers); } else if (resend) { /* * Resend (probably with changed options). */ FCTXTRACE("resend"); + inc_stats(fctx->res, dns_resstatscounter_retry); result = fctx_query(fctx, addrinfo, options); if (result != ISC_R_SUCCESS) fctx_done(fctx, result); @@ -6137,16 +6257,6 @@ destroy(dns_resolver_t *res) { INSIST(res->nfctx == 0); -#ifdef LRU_DEBUG - isc_log_write(dns_lctx, DNS_LOGCATEGORY_RESOLVER, - DNS_LOGMODULE_RESOLVER, ISC_LOG_INFO, - "destroying resolver %p: external queries " - "total/NS/SOA/A/AAAA=%u/%u/%u/%u/%u", - res, res->extqueries, res->extqueries_ns, - res->extqueries_soa, res->extqueries_a, - res->extqueries_aaaa); -#endif - RES_DESTROYLOCK(&res->poollock); DESTROYLOCK(&res->primelock); DESTROYLOCK(&res->nlock); @@ -6184,10 +6294,6 @@ destroy(dns_resolver_t *res) { } if (res->disppooltimer != NULL) isc_timer_detach(&res->disppooltimer); -#ifdef LRU_DEBUG - if (res->dumptimer != NULL) - isc_timer_detach(&res->dumptimer); -#endif dns_resolver_reset_algorithms(res); dns_resolver_resetmustbesecure(res); #if USE_ALGLOCK @@ -6321,15 +6427,6 @@ dns_resolver_create(dns_view_t *view, res->dispatchv4pool = NULL; res->dispatchv6pool = NULL; res->disppooltimer = NULL; -#ifdef LRU_DEBUG - res->dumptimer = NULL; - res->extqueries = 0; - res->extqueries_ns = 0; - res->extqueries_soa = 0; - res->extqueries_a = 0; - res->extqueries_aaaa = 0; -#endif - res->nbuckets = ntasks; res->activebuckets = ntasks; res->buckets = isc_mem_get(view->mctx, @@ -6349,13 +6446,23 @@ dns_resolver_create(dns_view_t *view, goto cleanup_buckets; } res->buckets[i].mctx = NULL; + snprintf(name, sizeof(name), "res%u", i); +#ifdef ISC_PLATFORM_USETHREADS + /* + * Use a separate memory context for each bucket to reduce + * contention among multiple threads. Do this only when + * enabling threads because it will be require more memory. + */ result = isc_mem_create(0, 0, &res->buckets[i].mctx); if (result != ISC_R_SUCCESS) { isc_task_detach(&res->buckets[i].task); DESTROYLOCK(&res->buckets[i].lock); goto cleanup_buckets; } - snprintf(name, sizeof(name), "res%u", i); + isc_mem_setname(res->buckets[i].mctx, name, NULL); +#else + isc_mem_attach(view->mctx, &res->buckets[i].mctx); +#endif isc_task_setname(res->buckets[i].task, name, res); ISC_LIST_INIT(res->buckets[i].fctxs); res->buckets[i].exiting = ISC_FALSE; @@ -6402,22 +6509,6 @@ dns_resolver_create(dns_view_t *view, result = isc_timer_create(timermgr, isc_timertype_inactive, NULL, NULL, task, spillattimer_countdown, res, &res->spillattimer); - -#ifdef LRU_DEBUG - { - isc_interval_t interval; - - interval.seconds = DUMP_INTERVAL; - interval.nanoseconds = 0; - RUNTIME_CHECK(isc_time_nowplusinterval(&res->dump_time, - &interval) == - ISC_R_SUCCESS); - - result = isc_timer_create(timermgr, isc_timertype_once, - &res->dump_time, NULL, task, - timer_dump, res, &res->dumptimer); - } -#endif isc_task_detach(&task); if (result != ISC_R_SUCCESS) goto cleanup_poollock; @@ -7605,38 +7696,3 @@ dns_resolver_createdispatchpool(dns_resolver_t *res, unsigned int ndisps, return (result); } - -#ifdef LRU_DEBUG -static void -timer_dump(isc_task_t *task, isc_event_t *ev) { - dns_resolver_t *res; - isc_interval_t interval; - isc_time_t nexttime; - - UNUSED(task); - - res = ev->ev_arg; - INSIST(VALID_RESOLVER(res)); - - if (res->extqueries > 0) { - isc_log_write(dns_lctx, DNS_LOGCATEGORY_RESOLVER, - DNS_LOGMODULE_RESOLVER, ISC_LOG_INFO, - "resolver dump %p: external queries " - "total/NS/SOA/A/AAAA=%u/%u/%u/%u/%u", - res, res->extqueries, res->extqueries_ns, - res->extqueries_soa, res->extqueries_a, - res->extqueries_aaaa); - } - - interval.seconds = DUMP_INTERVAL; - interval.nanoseconds = 0; - - RUNTIME_CHECK(isc_time_add(&res->dump_time, &interval, &nexttime) == - ISC_R_SUCCESS); /* XXX: this is not always true */ - res->dump_time = nexttime; - (void)isc_timer_reset(res->dumptimer, isc_timertype_once, - &res->dump_time, NULL, ISC_FALSE); - - isc_event_free(&ev); -} -#endif diff --git a/lib/dns/rootns.c b/lib/dns/rootns.c index b3c302bd..0121325f 100644 --- a/lib/dns/rootns.c +++ b/lib/dns/rootns.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: rootns.c,v 1.32 2007/10/30 23:44:01 marka Exp $ */ +/* $Id: rootns.c,v 1.32.24.2 2008/02/05 23:46:39 tbox Exp $ */ /*! \file */ @@ -45,8 +45,6 @@ static char root_ns[] = ";\n" "; Internet Root Nameservers\n" ";\n" -"; Thu Sep 23 17:57:37 PDT 1999\n" -";\n" "$TTL 518400\n" ". 518400 IN NS A.ROOT-SERVERS.NET.\n" ". 518400 IN NS B.ROOT-SERVERS.NET.\n" @@ -62,25 +60,31 @@ static char root_ns[] = ". 518400 IN NS L.ROOT-SERVERS.NET.\n" ". 518400 IN NS M.ROOT-SERVERS.NET.\n" "A.ROOT-SERVERS.NET. 3600000 IN A 198.41.0.4\n" +"A.ROOT-SERVERS.NET. 3600000 IN AAAA 2001:503:BA3E::2:30\n" "B.ROOT-SERVERS.NET. 3600000 IN A 192.228.79.201\n" "C.ROOT-SERVERS.NET. 3600000 IN A 192.33.4.12\n" "D.ROOT-SERVERS.NET. 3600000 IN A 128.8.10.90\n" "E.ROOT-SERVERS.NET. 3600000 IN A 192.203.230.10\n" "F.ROOT-SERVERS.NET. 3600000 IN A 192.5.5.241\n" +"F.ROOT-SERVERS.NET. 3600000 IN AAAA 2001:500:2F::F\n" "G.ROOT-SERVERS.NET. 3600000 IN A 192.112.36.4\n" "H.ROOT-SERVERS.NET. 3600000 IN A 128.63.2.53\n" +"H.ROOT-SERVERS.NET. 3600000 IN AAAA 2001:500:1::803F:235\n" "I.ROOT-SERVERS.NET. 3600000 IN A 192.36.148.17\n" "J.ROOT-SERVERS.NET. 3600000 IN A 192.58.128.30\n" +"J.ROOT-SERVERS.NET. 3600000 IN AAAA 2001:503:C27::2:30\n" "K.ROOT-SERVERS.NET. 3600000 IN A 193.0.14.129\n" +"K.ROOT-SERVERS.NET. 3600000 IN AAAA 2001:7FD::1\n" "L.ROOT-SERVERS.NET. 3600000 IN A 199.7.83.42\n" -"M.ROOT-SERVERS.NET. 3600000 IN A 202.12.27.33\n"; +"M.ROOT-SERVERS.NET. 3600000 IN A 202.12.27.33\n" +"M.ROOT-SERVERS.NET. 3600000 IN AAAA 2001:DC3::35\n"; static isc_result_t in_rootns(dns_rdataset_t *rootns, dns_name_t *name) { isc_result_t result; dns_rdata_t rdata = DNS_RDATA_INIT; dns_rdata_ns_t ns; - + if (!dns_rdataset_isassociated(rootns)) return (ISC_R_NOTFOUND); @@ -99,7 +103,7 @@ in_rootns(dns_rdataset_t *rootns, dns_name_t *name) { return (result); } -static isc_result_t +static isc_result_t check_node(dns_rdataset_t *rootns, dns_name_t *name, dns_rdatasetiter_t *rdsiter) { isc_result_t result; @@ -227,7 +231,7 @@ dns_rootns_create(isc_mem_t *mctx, dns_rdataclass_t rdclass, * Default to using the Internet root servers. */ result = dns_master_loadbuffer(&source, &db->origin, - &db->origin, db->rdclass, + &db->origin, db->rdclass, DNS_MASTER_HINT, &callbacks, db->mctx); } else @@ -262,11 +266,11 @@ report(dns_view_t *view, dns_name_t *name, isc_boolean_t missing, isc_buffer_t buffer; isc_result_t result; - if (strcmp(view->name, "_bind") != 0 && - strcmp(view->name, "_default") != 0) { - viewname = view->name; - sep = ": view "; - } + if (strcmp(view->name, "_bind") != 0 && + strcmp(view->name, "_default") != 0) { + viewname = view->name; + sep = ": view "; + } dns_name_format(name, namebuf, sizeof(namebuf)); dns_rdatatype_format(rdata->type, typebuf, sizeof(typebuf)); @@ -346,7 +350,7 @@ check_address_records(dns_view_t *view, dns_db_t *hints, dns_db_t *db, report(view, name, ISC_FALSE, &rdata); result = dns_rdataset_next(&hintrrset); } - } + } if (hresult == ISC_R_NOTFOUND && (rresult == ISC_R_SUCCESS || rresult == DNS_R_GLUE)) { result = dns_rdataset_first(&rootrrset); @@ -387,7 +391,7 @@ check_address_records(dns_view_t *view, dns_db_t *hints, dns_db_t *db, dns_rdata_reset(&rdata); result = dns_rdataset_next(&hintrrset); } - } + } if (hresult == ISC_R_NOTFOUND && (rresult == ISC_R_SUCCESS || rresult == DNS_R_GLUE)) { result = dns_rdataset_first(&rootrrset); @@ -421,11 +425,11 @@ dns_root_checkhints(dns_view_t *view, dns_db_t *hints, dns_db_t *db) { isc_stdtime_get(&now); - if (strcmp(view->name, "_bind") != 0 && - strcmp(view->name, "_default") != 0) { - viewname = view->name; - sep = ": view "; - } + if (strcmp(view->name, "_bind") != 0 && + strcmp(view->name, "_default") != 0) { + viewname = view->name; + sep = ": view "; + } dns_rdataset_init(&hintns); dns_rdataset_init(&rootns); @@ -453,7 +457,7 @@ dns_root_checkhints(dns_view_t *view, dns_db_t *hints, dns_db_t *db) { dns_result_totext(result)); goto cleanup; } - + /* * Look for missing root NS names. */ @@ -472,7 +476,7 @@ dns_root_checkhints(dns_view_t *view, dns_db_t *hints, dns_db_t *db) { "checkhints%s%s: unable to find root " "NS '%s' in hints", sep, viewname, namebuf); - } else + } else check_address_records(view, hints, db, &ns.name, now); dns_rdata_reset(&rdata); result = dns_rdataset_next(&rootns); diff --git a/lib/dns/sdb.c b/lib/dns/sdb.c index 8c035ccd..2c3002bb 100644 --- a/lib/dns/sdb.c +++ b/lib/dns/sdb.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: sdb.c,v 1.59.94.3 2008/01/17 23:46:37 tbox Exp $ */ +/* $Id: sdb.c,v 1.59.94.5 2008/04/03 10:51:01 marka Exp $ */ /*! \file */ @@ -1247,6 +1247,7 @@ static dns_dbmethods_t sdb_methods = { overmem, settask, NULL, + NULL, NULL }; diff --git a/lib/dns/sdlz.c b/lib/dns/sdlz.c index 627ea2e1..5ab04834 100644 --- a/lib/dns/sdlz.c +++ b/lib/dns/sdlz.c @@ -1,5 +1,5 @@ /* - * Portions Copyright (C) 2005-2007 Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (C) 2005-2008 Internet Systems Consortium, Inc. ("ISC") * Portions Copyright (C) 1999-2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -50,7 +50,7 @@ * USE OR PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: sdlz.c,v 1.14 2007/08/27 03:32:27 marka Exp $ */ +/* $Id: sdlz.c,v 1.14.94.3 2008/04/03 10:51:01 marka Exp $ */ /*! \file */ @@ -1051,6 +1051,7 @@ static dns_dbmethods_t sdlzdb_methods = { overmem, settask, NULL, + NULL, NULL }; @@ -1328,7 +1329,7 @@ dns_sdlzallowzonexfr(void *driverarg, void *dbdata, isc_mem_t *mctx, return (result); isc_buffer_putuint8(&b2, 0); - /* make sure strings are always lowercase */ + /* make sure strings are always lowercase */ dns_sdlz_tolower(namestr); dns_sdlz_tolower(clientstr); @@ -1441,7 +1442,7 @@ dns_sdlzfindzone(void *driverarg, void *dbdata, isc_mem_t *mctx, return (result); isc_buffer_putuint8(&b, 0); - /* make sure strings are always lowercase */ + /* make sure strings are always lowercase */ dns_sdlz_tolower(namestr); /* Call SDLZ driver's find zone method */ @@ -1572,7 +1573,7 @@ dns_sdlz_putrr(dns_sdlzlookup_t *lookup, const char *type, dns_ttl_t ttl, return (ISC_R_SUCCESS); failure: - if (rdatabuf != NULL) + if (rdatabuf != NULL) isc_buffer_free(&rdatabuf); if (lex != NULL) isc_lex_destroy(&lex); diff --git a/lib/dns/spnego.c b/lib/dns/spnego.c index 279d945f..cc61fd6e 100644 --- a/lib/dns/spnego.c +++ b/lib/dns/spnego.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2006-2008 Internet Systems Consortium, Inc. ("ISC") * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -14,7 +14,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: spnego.c,v 1.5 2007/06/19 23:47:16 tbox Exp $ */ +/* $Id: spnego.c,v 1.5.128.3 2008/04/03 06:08:27 tbox Exp $ */ /*! \file * \brief @@ -59,21 +59,21 @@ * Copyright (c) 2004 Masarykova universita * (Masaryk University, Brno, Czech Republic) * All rights reserved. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: - * + * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. - * + * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. - * + * * 3. Neither the name of the University nor the names of its contributors may * be used to endorse or promote products derived from this software * without specific prior written permission. - * + * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -89,35 +89,35 @@ * ---------------------------------------------------------------- * * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. * - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. */ /* @@ -169,88 +169,6 @@ */ #include "spnego.h" -/* - * The isc_mem function keep track of allocation sizes, but we can't - * get at that information, and we need to know sizes to implement a - * realloc() clone. So we use a little more memory to keep track of - * sizes allocated here. - * - * These functions follow Harbison & Steele, 4th edition, particularly - * with regard to realloc()'s behavior. - */ - -static void * -spnego_malloc(size_t size, const char *file, int line) -{ - char *p; - - if (size == 0) - return (NULL); - p = isc_mem_allocate(dst__memory_pool, size + sizeof(size_t)); - if (p == NULL) - return NULL; - *(size_t *)p = size; - p += sizeof(size_t); -#ifdef SPNEGO_ALLOC_DEBUG - printf("spnego_malloc(%lu) %lx %s %u\n", - (unsigned long) size, (unsigned long) p, file, line); -#else - (void)file; - (void)line; -#endif - return (p); -} - -static void -spnego_free(void *ptr, const char *file, int line) -{ - char *p = ptr; - - if (p == NULL) - return; -#ifdef SPNEGO_ALLOC_DEBUG - printf("spnego_free(%lx) %s %u\n", - (unsigned long) p, file, line); -#else - (void)file; - (void)line; -#endif - p -= sizeof(size_t); - isc_mem_free(dst__memory_pool, p); -} - -static void * -spnego_realloc(void *old_ptr, size_t new_size, const char *file, int line) -{ - size_t *old_size; - void *new_ptr; - - if (old_ptr == NULL) - return (spnego_malloc(new_size, file, line)); - - if (new_size == 0) { - spnego_free(old_ptr, file, line); - return (NULL); - } - - old_size = old_ptr; - old_size--; - if (*old_size >= new_size) - return (old_ptr); - - new_ptr = spnego_malloc(new_size, file, line); - if (new_ptr == NULL) - return (NULL); - - memcpy(new_ptr, old_ptr, *old_size); - spnego_free(old_ptr, file, line); - return (new_ptr); -} - -#define malloc(x) spnego_malloc(x, __FILE__, __LINE__) -#define free(x) spnego_free(x, __FILE__, __LINE__) -#define realloc(x,y) spnego_realloc(x, y, __FILE__, __LINE__) - /* asn1_err.h */ /* Generated from ../../../lib/asn1/asn1_err.et */ @@ -318,31 +236,31 @@ enum { #define ASN1_INDEFINITE 0xdce0deed -static int +static int der_get_length(const unsigned char *p, size_t len, size_t * val, size_t * size); -static int +static int der_get_octet_string(const unsigned char *p, size_t len, octet_string * data, size_t * size); -static int +static int der_get_oid(const unsigned char *p, size_t len, oid * data, size_t * size); -static int +static int der_get_tag(const unsigned char *p, size_t len, Der_class * class, Der_type * type, int *tag, size_t * size); -static int +static int der_match_tag(const unsigned char *p, size_t len, Der_class class, Der_type type, int tag, size_t * size); -static int +static int der_match_tag_and_length(const unsigned char *p, size_t len, Der_class class, Der_type type, int tag, size_t * length_ret, size_t * size); -static int +static int decode_oid(const unsigned char *p, size_t len, oid * k, size_t * size); @@ -359,27 +277,27 @@ der_put_int(unsigned char *p, size_t len, int val, size_t *); static int der_put_length(unsigned char *p, size_t len, size_t val, size_t *); -static int +static int der_put_octet_string(unsigned char *p, size_t len, const octet_string * data, size_t *); -static int +static int der_put_oid(unsigned char *p, size_t len, const oid * data, size_t * size); -static int +static int der_put_tag(unsigned char *p, size_t len, Der_class class, Der_type type, int tag, size_t *); -static int +static int der_put_length_and_tag(unsigned char *, size_t, size_t, Der_class, Der_type, int, size_t *); -static int +static int encode_enumerated(unsigned char *p, size_t len, const unsigned *data, size_t *); -static int +static int encode_octet_string(unsigned char *p, size_t len, const octet_string * k, size_t *); -static int +static int encode_oid(unsigned char *p, size_t len, const oid * k, size_t *); @@ -756,7 +674,7 @@ gss_accept_sec_context_spnego(OM_uint32 *minor_status, ot = &obuf; } ret = send_accept(&minor_status2, output_token, ot, pref); - if (ot != NULL) + if (ot != NULL && ot->length != 0) gss_release_buffer(&minor_status2, ot); return (ret); @@ -1485,8 +1403,11 @@ gssapi_spnego_encapsulate(OM_uint32 * minor_status, return (GSS_S_FAILURE); } p = gssapi_mech_make_header(output_token->value, len, mech); - if (p == NULL) + if (p == NULL) { + if (output_token->length != 0) + gss_release_buffer(minor_status, output_token); return (GSS_S_FAILURE); + } memcpy(p, buf, buf_size); return (GSS_S_COMPLETE); } @@ -1550,7 +1471,7 @@ gssapi_krb5_get_mech(const u_char *ptr, return (mech_len); } -static OM_uint32 +static OM_uint32 spnego_initial(OM_uint32 *minor_status, const gss_cred_id_t initiator_cred_handle, gss_ctx_id_t *context_handle, @@ -1659,16 +1580,16 @@ spnego_initial(OM_uint32 *minor_status, ret = gssapi_spnego_encapsulate(minor_status, buf + buf_size - len, len, output_token, GSS_SPNEGO_MECH); - - ret = major_status; + if (ret == GSS_S_COMPLETE) + ret = major_status; end: if (token_init.mechToken != NULL) { - free(token_init.mechToken); + free(token_init.mechToken); token_init.mechToken = NULL; } free_NegTokenInit(&token_init); - if (krb5_output_token.length > 0) + if (krb5_output_token.length != 0) gss_release_buffer(&minor_status2, &krb5_output_token); if (buf) free(buf); @@ -1711,7 +1632,7 @@ spnego_reply(OM_uint32 *minor_status, * SPNEGO doesn't include gss wrapping on SubsequentContextToken * like the Kerberos 5 mech does. But lets check for it anyway. */ - + mech_len = gssapi_krb5_get_mech(input_token->value, input_token->length, &p); @@ -1766,7 +1687,7 @@ spnego_reply(OM_uint32 *minor_status, free_NegTokenResp(&resp); return (GSS_S_BAD_MECH); } - + ret = der_put_oid(oidbuf + sizeof(oidbuf) - 1, sizeof(oidbuf), resp.supportedMech, @@ -1819,7 +1740,7 @@ spnego_reply(OM_uint32 *minor_status, -OM_uint32 +OM_uint32 gss_init_sec_context_spnego(OM_uint32 *minor_status, const gss_cred_id_t initiator_cred_handle, gss_ctx_id_t *context_handle, diff --git a/lib/dns/stats.c b/lib/dns/stats.c index 4144b21a..38eda3bd 100644 --- a/lib/dns/stats.c +++ b/lib/dns/stats.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: stats.c,v 1.12.128.2 2008/01/24 23:46:25 tbox Exp $ */ +/* $Id: stats.c,v 1.12.128.4 2008/04/03 06:20:34 tbox Exp $ */ /*! \file */ @@ -24,24 +24,48 @@ #include <string.h> #include <isc/atomic.h> +#include <isc/buffer.h> +#include <isc/magic.h> #include <isc/mem.h> #include <isc/platform.h> +#include <isc/print.h> #include <isc/rwlock.h> #include <isc/util.h> +#include <dns/opcode.h> +#include <dns/rdatatype.h> #include <dns/stats.h> -LIBDNS_EXTERNAL_DATA const char *dns_statscounter_names[DNS_STATS_NCOUNTERS] = - { - "success", - "referral", - "nxrrset", - "nxdomain", - "recursion", - "failure", - "duplicate", - "dropped" - }; +#define DNS_STATS_MAGIC ISC_MAGIC('D', 's', 't', 't') +#define DNS_STATS_VALID(x) ISC_MAGIC_VALID(x, DNS_STATS_MAGIC) + +/*% + * Statistics types. + */ +typedef enum { + dns_statstype_general = 0, + dns_statstype_rdtype = 1, + dns_statstype_rdataset = 2, + dns_statstype_opcode = 3 +} dns_statstype_t; + +/*% + * It doesn't make sense to have 2^16 counters for all possible types since + * most of them won't be used. We have counters for the first 256 types and + * those explicitly supported in the rdata implementation. + * XXXJT: this introduces tight coupling with the rdata implementation. + * Ideally, we should have rdata handle this type of details. + */ +enum { + /* For 0-255, we use the rdtype value as counter indices */ + rdtypecounter_dlv = 256, /* for dns_rdatatype_dlv */ + rdtypecounter_others = 257, /* anything else */ + rdtypecounter_max = 258, + /* The following are used for rdataset */ + rdtypenxcounter_max = rdtypecounter_max * 2, + rdtypecounter_nxdomain = rdtypenxcounter_max, + rdatasettypecounter_max = rdtypecounter_nxdomain + 1 +}; #ifndef DNS_STATS_USEMULTIFIELDS #if defined(ISC_RWLOCK_USEATOMIC) && defined(ISC_PLATFORM_HAVEXADD) && !defined(ISC_PLATFORM_HAVEXADDQ) @@ -61,15 +85,42 @@ typedef isc_uint64_t dns_stat_t; #endif struct dns_stats { - /* XXXJT: do we need a magic? */ + /*% Unlocked */ + unsigned int magic; + dns_statstype_t type; + isc_mem_t *mctx; + int ncounters; + + isc_mutex_t lock; + unsigned int references; /* locked by lock */ + + /*% + * Locked by counterlock or unlocked if efficient rwlock is not + * available. + */ #ifdef ISC_RWLOCK_USEATOMIC - isc_rwlock_t lock; + isc_rwlock_t counterlock; #endif - dns_stat_t counters[DNS_STATS_NCOUNTERS]; + dns_stat_t *counters; + + /*% + * We don't want to lock the counters while we are dumping, so we first + * copy the current counter values into a local array. This buffer + * will be used as the copy destination. It's allocated on creation + * of the stats structure so that the dump operation won't fail due + * to memory allocation failure. + * XXX: this approach is weird for non-threaded build because the + * additional memory and the copy overhead could be avoided. We prefer + * simplicity here, however, under the assumption that this function + * should be only rarely called. + */ + isc_uint64_t *copiedcounters; }; -isc_result_t -dns_stats_create(isc_mem_t *mctx, dns_stats_t **statsp) { +static isc_result_t +create_stats(isc_mem_t *mctx, dns_statstype_t type, int ncounters, + dns_stats_t **statsp) +{ dns_stats_t *stats; isc_result_t result = ISC_R_SUCCESS; @@ -79,50 +130,107 @@ dns_stats_create(isc_mem_t *mctx, dns_stats_t **statsp) { if (stats == NULL) return (ISC_R_NOMEMORY); -#ifdef ISC_RWLOCK_USEATOMIC - result = isc_rwlock_init(&stats->lock, 0, 0); - if (result != ISC_R_SUCCESS) { - isc_mem_put(mctx, stats, sizeof(*stats)); - return (result); + result = isc_mutex_init(&stats->lock); + if (result != ISC_R_SUCCESS) + goto clean_stats; + + stats->counters = isc_mem_get(mctx, sizeof(dns_stat_t) * ncounters); + if (stats->counters == NULL) { + result = ISC_R_NOMEMORY; + goto clean_mutex; } + stats->copiedcounters = isc_mem_get(mctx, + sizeof(isc_uint64_t) * ncounters); + if (stats->copiedcounters == NULL) { + result = ISC_R_NOMEMORY; + goto clean_counters; + } + +#ifdef ISC_RWLOCK_USEATOMIC + result = isc_rwlock_init(&stats->counterlock, 0, 0); + if (result != ISC_R_SUCCESS) + goto clean_copiedcounters; #endif - memset(stats->counters, 0, sizeof(dns_stat_t) * DNS_STATS_NCOUNTERS); + stats->type = type; + stats->references = 1; + memset(stats->counters, 0, sizeof(dns_stat_t) * ncounters); + stats->mctx = NULL; + isc_mem_attach(mctx, &stats->mctx); + stats->ncounters = ncounters; + stats->magic = DNS_STATS_MAGIC; *statsp = stats; return (result); + +clean_counters: + isc_mem_put(mctx, stats->counters, sizeof(dns_stat_t) * ncounters); + +#ifdef ISC_RWLOCK_USEATOMIC +clean_copiedcounters: + isc_mem_put(mctx, stats->copiedcounters, + sizeof(dns_stat_t) * ncounters); +#endif + +clean_mutex: + DESTROYLOCK(&stats->lock); + +clean_stats: + isc_mem_put(mctx, stats, sizeof(*stats)); + + return (result); +} + +void +dns_stats_attach(dns_stats_t *stats, dns_stats_t **statsp) { + REQUIRE(DNS_STATS_VALID(stats)); + REQUIRE(statsp != NULL && *statsp == NULL); + + LOCK(&stats->lock); + stats->references++; + UNLOCK(&stats->lock); + + *statsp = stats; } void -dns_stats_destroy(isc_mem_t *mctx, dns_stats_t **statsp) { +dns_stats_detach(dns_stats_t **statsp) { dns_stats_t *stats; - REQUIRE(statsp != NULL && *statsp != NULL); + REQUIRE(statsp != NULL && DNS_STATS_VALID(*statsp)); stats = *statsp; + *statsp = NULL; + LOCK(&stats->lock); + stats->references--; + UNLOCK(&stats->lock); + + if (stats->references == 0) { + isc_mem_put(stats->mctx, stats->copiedcounters, + sizeof(dns_stat_t) * stats->ncounters); + isc_mem_put(stats->mctx, stats->counters, + sizeof(dns_stat_t) * stats->ncounters); + DESTROYLOCK(&stats->lock); #ifdef ISC_RWLOCK_USEATOMIC - isc_rwlock_destroy(&stats->lock); + isc_rwlock_destroy(&stats->counterlock); #endif - isc_mem_put(mctx, stats, sizeof(*stats)); - - *statsp = NULL; + isc_mem_putanddetach(&stats->mctx, stats, sizeof(*stats)); + } } -void -dns_stats_incrementcounter(dns_stats_t *stats, dns_statscounter_t counter) { +static inline void +incrementcounter(dns_stats_t *stats, int counter) { isc_int32_t prev; - REQUIRE(counter < DNS_STATS_NCOUNTERS); - #ifdef ISC_RWLOCK_USEATOMIC /* * We use a "read" lock to prevent other threads from reading the * counter while we "writing" a counter field. The write access itself * is protected by the atomic operation. */ - isc_rwlock_lock(&stats->lock, isc_rwlocktype_read); + isc_rwlock_lock(&stats->counterlock, isc_rwlocktype_read); #endif #if DNS_STATS_USEMULTIFIELDS @@ -146,12 +254,38 @@ dns_stats_incrementcounter(dns_stats_t *stats, dns_statscounter_t counter) { #endif #ifdef ISC_RWLOCK_USEATOMIC - isc_rwlock_unlock(&stats->lock, isc_rwlocktype_read); + isc_rwlock_unlock(&stats->counterlock, isc_rwlocktype_read); #endif } -void -dns_stats_copy(dns_stats_t *src, isc_uint64_t *dst) { +static inline void +decrementcounter(dns_stats_t *stats, int counter) { + isc_int32_t prev; + +#ifdef ISC_RWLOCK_USEATOMIC + isc_rwlock_lock(&stats->counterlock, isc_rwlocktype_read); +#endif + +#if DNS_STATS_USEMULTIFIELDS + prev = isc_atomic_xadd((isc_int32_t *)&stats->counters[counter].lo, -1); + if (prev == 0) + isc_atomic_xadd((isc_int32_t *)&stats->counters[counter].hi, + -1); +#elif defined(ISC_PLATFORM_HAVEXADDQ) + UNUSED(prev); + isc_atomic_xaddq((isc_int64_t *)&stats->counters[counter], -1); +#else + UNUSED(prev); + stats->counters[counter]--; +#endif + +#ifdef ISC_RWLOCK_USEATOMIC + isc_rwlock_unlock(&stats->counterlock, isc_rwlocktype_read); +#endif +} + +static void +copy_counters(dns_stats_t *stats) { int i; #ifdef ISC_RWLOCK_USEATOMIC @@ -159,27 +293,257 @@ dns_stats_copy(dns_stats_t *src, isc_uint64_t *dst) { * We use a "write" lock before "reading" the statistics counters as * an exclusive lock. */ - isc_rwlock_lock(&src->lock, isc_rwlocktype_write); + isc_rwlock_lock(&stats->counterlock, isc_rwlocktype_write); #endif #if DNS_STATS_USEMULTIFIELDS - for (i = 0; i < DNS_STATS_NCOUNTERS; i++) { - dst[i] = ((isc_uint64_t)src->counters[i].hi) << 32 | - src->counters[i].lo; + for (i = 0; i < stats->ncounters; i++) { + stats->copiedcounters[i] = + (isc_uint64_t)(stats->counters[i].hi) << 32 | + stats->counters[i].lo; } #else UNUSED(i); - memcpy(dst, src->counters, DNS_STATS_NCOUNTERS * sizeof(dst[0])); + memcpy(stats->copiedcounters, stats->counters, + stats->ncounters * sizeof(dns_stat_t)); #endif #ifdef ISC_RWLOCK_USEATOMIC - isc_rwlock_unlock(&src->lock, isc_rwlocktype_write); + isc_rwlock_unlock(&stats->counterlock, isc_rwlocktype_write); #endif } +/*% + * Create methods + */ +isc_result_t +dns_generalstats_create(isc_mem_t *mctx, dns_stats_t **statsp, int ncounters) { + REQUIRE(statsp != NULL && *statsp == NULL); + + return (create_stats(mctx, dns_statstype_general, ncounters, statsp)); +} + +isc_result_t +dns_rdatatypestats_create(isc_mem_t *mctx, dns_stats_t **statsp) { + REQUIRE(statsp != NULL && *statsp == NULL); + + return (create_stats(mctx, dns_statstype_rdtype, rdtypecounter_max, + statsp)); +} + +isc_result_t +dns_rdatasetstats_create(isc_mem_t *mctx, dns_stats_t **statsp) { + REQUIRE(statsp != NULL && *statsp == NULL); + + return (create_stats(mctx, dns_statstype_rdataset, + (rdtypecounter_max * 2) + 1, statsp)); +} + +isc_result_t +dns_opcodestats_create(isc_mem_t *mctx, dns_stats_t **statsp) { + REQUIRE(statsp != NULL && *statsp == NULL); + + return (create_stats(mctx, dns_statstype_opcode, 16, statsp)); +} + +/*% + * Increment/Decrement methods + */ +void +dns_generalstats_increment(dns_stats_t *stats, dns_statscounter_t counter) { + REQUIRE(DNS_STATS_VALID(stats) && stats->type == dns_statstype_general); + REQUIRE(counter < stats->ncounters); + + incrementcounter(stats, (int)counter); +} + +void +dns_rdatatypestats_increment(dns_stats_t *stats, dns_rdatatype_t type) { + int counter; + + REQUIRE(DNS_STATS_VALID(stats) && stats->type == dns_statstype_rdtype); + + if (type == dns_rdatatype_dlv) + counter = rdtypecounter_dlv; + else if (type > dns_rdatatype_any) + counter = rdtypecounter_others; + else + counter = (int)type; + + incrementcounter(stats, counter); +} + +static inline void +update_rdatasetstats(dns_stats_t *stats, dns_rdatastatstype_t rrsettype, + isc_boolean_t increment) +{ + int counter; + dns_rdatatype_t rdtype; + + if ((DNS_RDATASTATSTYPE_ATTR(rrsettype) & + DNS_RDATASTATSTYPE_ATTR_NXDOMAIN) != 0) { + counter = rdtypecounter_nxdomain; + } else { + rdtype = DNS_RDATASTATSTYPE_BASE(rrsettype); + if (rdtype == dns_rdatatype_dlv) + counter = (int)rdtypecounter_dlv; + else if (rdtype > dns_rdatatype_any) + counter = (int)rdtypecounter_others; + else + counter = (int)rdtype; + + if ((DNS_RDATASTATSTYPE_ATTR(rrsettype) & + DNS_RDATASTATSTYPE_ATTR_NXRRSET) != 0) + counter += rdtypecounter_max; + } + + if (increment) + incrementcounter(stats, counter); + else + decrementcounter(stats, counter); +} + +void +dns_rdatasetstats_increment(dns_stats_t *stats, dns_rdatastatstype_t rrsettype) +{ + REQUIRE(DNS_STATS_VALID(stats) && + stats->type == dns_statstype_rdataset); + + update_rdatasetstats(stats, rrsettype, ISC_TRUE); +} + +void +dns_rdatasetstats_decrement(dns_stats_t *stats, dns_rdatastatstype_t rrsettype) +{ + REQUIRE(DNS_STATS_VALID(stats) && + stats->type == dns_statstype_rdataset); + + update_rdatasetstats(stats, rrsettype, ISC_FALSE); +} +void +dns_opcodestats_increment(dns_stats_t *stats, dns_opcode_t code) { + REQUIRE(DNS_STATS_VALID(stats) && stats->type == dns_statstype_opcode); + + incrementcounter(stats, (int)code); +} + +/*% + * Dump methods + */ +void +dns_generalstats_dump(dns_stats_t *stats, dns_generalstats_dumper_t dump_fn, + void *arg, unsigned int options) +{ + int i; + + REQUIRE(DNS_STATS_VALID(stats) && stats->type == dns_statstype_general); + + copy_counters(stats); + + for (i = 0; i < stats->ncounters; i++) { + if ((options & DNS_STATSDUMP_VERBOSE) == 0 && + stats->copiedcounters[i] == 0) + continue; + dump_fn(i, stats->copiedcounters[i], arg); + } +} + +static void +dump_rdentry(dns_stats_t *stats, int counter, int rdcounter, + dns_rdatastatstype_t attributes, + dns_rdatatypestats_dumper_t dump_fn, void * arg, + unsigned int options) +{ + dns_rdatatype_t rdtype = dns_rdatatype_none; /* sentinel */ + dns_rdatastatstype_t type; + + if ((options & DNS_STATSDUMP_VERBOSE) == 0 && + stats->copiedcounters[counter] == 0) + return; + if (rdcounter == rdtypecounter_others) + attributes |= DNS_RDATASTATSTYPE_ATTR_OTHERTYPE; + else { + if (rdcounter == rdtypecounter_dlv) + rdtype = dns_rdatatype_dlv; + else + rdtype = (dns_rdatatype_t)rdcounter; + } + type = DNS_RDATASTATSTYPE_VALUE((dns_rdatastatstype_t)rdtype, + attributes); + dump_fn(type, stats->copiedcounters[counter], arg); +} + +void +dns_rdatatypestats_dump(dns_stats_t *stats, dns_rdatatypestats_dumper_t dump_fn, + void *arg, unsigned int options) +{ + int i; + + REQUIRE(DNS_STATS_VALID(stats) && stats->type == dns_statstype_rdtype); + + copy_counters(stats); + + for (i = 0; i < stats->ncounters; i++) + dump_rdentry(stats, i, i, 0, dump_fn, arg, options); +} + +void +dns_rdatasetstats_dump(dns_stats_t *stats, dns_rdatatypestats_dumper_t dump_fn, + void *arg, unsigned int options) +{ + int i; + + REQUIRE(DNS_STATS_VALID(stats) && + stats->type == dns_statstype_rdataset); + + copy_counters(stats); + + for (i = 0; i < rdtypecounter_max; i++) + dump_rdentry(stats, i, i, 0, dump_fn, arg, options); + for (i = rdtypecounter_max; i < rdtypenxcounter_max; i++) { + dump_rdentry(stats, i, i - rdtypecounter_max, + DNS_RDATASTATSTYPE_ATTR_NXRRSET, + dump_fn, arg, options); + } + dump_rdentry(stats, rdtypecounter_nxdomain, 0, + DNS_RDATASTATSTYPE_ATTR_NXDOMAIN, dump_fn, arg, options); + + INSIST(i < stats->ncounters); +} + +void +dns_opcodestats_dump(dns_stats_t *stats, dns_opcodestats_dumper_t dump_fn, + void *arg, unsigned int options) +{ + int i; + + REQUIRE(DNS_STATS_VALID(stats) && stats->type == dns_statstype_opcode); + + copy_counters(stats); + + for (i = 0; i < stats->ncounters; i++) { + if ((options & DNS_STATSDUMP_VERBOSE) == 0 && + stats->copiedcounters[i] == 0) + continue; + dump_fn((dns_opcode_t)i, stats->copiedcounters[i], arg); + } +} + /*** - *** Obsolete functions follow + *** Obsolete variables and functions follow: ***/ +LIBDNS_EXTERNAL_DATA const char *dns_statscounter_names[DNS_STATS_NCOUNTERS] = + { + "success", + "referral", + "nxrrset", + "nxdomain", + "recursion", + "failure", + "duplicate", + "dropped" + }; + isc_result_t dns_stats_alloccounters(isc_mem_t *mctx, isc_uint64_t **ctrp) { int i; diff --git a/lib/dns/tkey.c b/lib/dns/tkey.c index 8ca3aeed..f94b3ae0 100644 --- a/lib/dns/tkey.c +++ b/lib/dns/tkey.c @@ -16,7 +16,7 @@ */ /* - * $Id: tkey.c,v 1.87.2.2 2008/01/17 23:46:37 tbox Exp $ + * $Id: tkey.c,v 1.87.2.3 2008/04/03 00:47:46 marka Exp $ */ /*! \file */ #include <config.h> @@ -69,7 +69,7 @@ tkey_log(const char *fmt, ...) { static void _dns_tkey_dumpmessage(dns_message_t *msg) { isc_buffer_t outbuf; - unsigned char output[2048]; + unsigned char output[4096]; isc_result_t result; isc_buffer_init(&outbuf, output, sizeof(output)); @@ -846,7 +846,7 @@ buildquery(dns_message_t *msg, dns_name_t *name, dns_rdataset_makequestion(question, dns_rdataclass_any, dns_rdatatype_tkey); - RETERR(isc_buffer_allocate(msg->mctx, &dynbuf, 2048)); + RETERR(isc_buffer_allocate(msg->mctx, &dynbuf, 4096)); RETERR(dns_message_gettemprdata(msg, &rdata)); RETERR(dns_rdata_fromstruct(rdata, dns_rdataclass_any, @@ -984,7 +984,7 @@ dns_tkey_buildgssquery(dns_message_t *msg, dns_name_t *name, dns_name_t *gname, isc_result_t result; isc_stdtime_t now; isc_buffer_t token; - unsigned char array[2048]; + unsigned char array[4096]; UNUSED(intoken); diff --git a/lib/dns/validator.c b/lib/dns/validator.c index 93df96c9..7fea6a37 100644 --- a/lib/dns/validator.c +++ b/lib/dns/validator.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: validator.c,v 1.155.52.3 2008/01/17 23:46:37 tbox Exp $ */ +/* $Id: validator.c,v 1.155.52.5 2008/02/19 17:09:08 each Exp $ */ #include <config.h> @@ -132,7 +132,8 @@ static isc_result_t nsecvalidate(dns_validator_t *val, isc_boolean_t resume); static isc_result_t -proveunsecure(dns_validator_t *val, isc_boolean_t resume); +proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, + isc_boolean_t resume); static void validator_logv(dns_validator_t *val, isc_logcategory_t *category, @@ -363,7 +364,7 @@ dsfetched(isc_task_t *task, isc_event_t *event) { "falling back to insecurity proof (%s)", dns_result_totext(eresult)); val->attributes |= VALATTR_INSECURITY; - result = proveunsecure(val, ISC_FALSE); + result = proveunsecure(val, ISC_FALSE, ISC_FALSE); if (result != DNS_R_WAIT) validator_done(val, result); } else { @@ -442,7 +443,7 @@ dsfetched2(isc_task_t *task, isc_event_t *event) { validator_done(val, result); } } else { - result = proveunsecure(val, ISC_TRUE); + result = proveunsecure(val, ISC_FALSE, ISC_TRUE); if (result != DNS_R_WAIT) validator_done(val, result); } @@ -455,7 +456,8 @@ dsfetched2(isc_task_t *task, isc_event_t *event) { * In either case we are still in a secure zone resume * validation. */ - result = proveunsecure(val, ISC_TRUE); + result = proveunsecure(val, ISC_TF(eresult == ISC_R_SUCCESS), + ISC_TRUE); if (result != DNS_R_WAIT) validator_done(val, result); } else { @@ -556,7 +558,7 @@ dsvalidated(isc_task_t *task, isc_event_t *event) { validator_log(val, ISC_LOG_DEBUG(3), "dsset with trust %d", val->frdataset.trust); if ((val->attributes & VALATTR_INSECURITY) != 0) - result = proveunsecure(val, ISC_TRUE); + result = proveunsecure(val, ISC_TRUE, ISC_TRUE); else result = validatezonekey(val); if (result != DNS_R_WAIT) @@ -2222,7 +2224,7 @@ nsecvalidate(dns_validator_t *val, isc_boolean_t resume) { validator_log(val, ISC_LOG_DEBUG(3), "nonexistence proof(s) not found"); val->attributes |= VALATTR_INSECURITY; - return (proveunsecure(val, ISC_FALSE)); + return (proveunsecure(val, ISC_FALSE, ISC_FALSE)); } static isc_boolean_t @@ -2496,7 +2498,8 @@ finddlvsep(dns_validator_t *val, isc_boolean_t resume) { * \li DNS_R_NOTINSECURE */ static isc_result_t -proveunsecure(dns_validator_t *val, isc_boolean_t resume) { +proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume) +{ isc_result_t result; dns_fixedname_t fixedsecroot; dns_name_t *secroot; @@ -2544,12 +2547,19 @@ proveunsecure(dns_validator_t *val, isc_boolean_t resume) { val->labels = dns_name_countlabels(secroot) + 1; } else { validator_log(val, ISC_LOG_DEBUG(3), "resuming proveunsecure"); - if (val->frdataset.trust >= dns_trust_secure && + /* + * If we have a DS rdataset and it is secure then check if + * the DS rdataset has a supported algorithm combination. + * If not this is a insecure delegation as far as this + * resolver is concerned. Fall back to DLV if available. + */ + if (have_ds && val->frdataset.trust >= dns_trust_secure && !check_ds(val, dns_fixedname_name(&val->fname), &val->frdataset)) { dns_name_format(dns_fixedname_name(&val->fname), namebuf, sizeof(namebuf)); - if (val->mustbesecure) { + if ((val->view->dlv == NULL || DLVTRIED(val)) && + val->mustbesecure) { validator_log(val, ISC_LOG_WARNING, "must be secure failure at '%s'", namebuf); @@ -2794,7 +2804,7 @@ validator_start(isc_task_t *task, isc_event_t *event) { validator_log(val, ISC_LOG_DEBUG(3), "falling back to insecurity proof"); val->attributes |= VALATTR_INSECURITY; - result = proveunsecure(val, ISC_FALSE); + result = proveunsecure(val, ISC_FALSE, ISC_FALSE); if (result == DNS_R_NOTINSECURE) result = saved_result; } @@ -2808,7 +2818,7 @@ validator_start(isc_task_t *task, isc_event_t *event) { "attempting insecurity proof"); val->attributes |= VALATTR_INSECURITY; - result = proveunsecure(val, ISC_FALSE); + result = proveunsecure(val, ISC_FALSE, ISC_FALSE); } else if (val->event->rdataset == NULL && val->event->sigrdataset == NULL) { diff --git a/lib/dns/view.c b/lib/dns/view.c index 762b1922..17966c21 100644 --- a/lib/dns/view.c +++ b/lib/dns/view.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: view.c,v 1.143 2007/06/18 23:47:42 tbox Exp $ */ +/* $Id: view.c,v 1.143.128.3 2008/04/03 06:10:20 marka Exp $ */ /*! \file */ @@ -25,7 +25,6 @@ #include <isc/string.h> /* Required for HP/UX (and others?) */ #include <isc/task.h> #include <isc/util.h> -#include <isc/xml.h> #include <dns/acache.h> #include <dns/acl.h> @@ -44,6 +43,7 @@ #include <dns/request.h> #include <dns/resolver.h> #include <dns/result.h> +#include <dns/stats.h> #include <dns/tsig.h> #include <dns/zone.h> #include <dns/zt.h> @@ -152,6 +152,8 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass, view->delonly = NULL; view->rootdelonly = ISC_FALSE; view->rootexclude = NULL; + view->resstats = NULL; + view->resquerystats = NULL; /* * Initialize configuration data with default values. @@ -322,7 +324,7 @@ destroy(dns_view_t *view) { name = ISC_LIST_HEAD(view->rootexclude[i]); while (name != NULL) { ISC_LIST_UNLINK(view->rootexclude[i], - name, link); + name, link); dns_name_free(name, view->mctx); isc_mem_put(view->mctx, name, sizeof(*name)); name = ISC_LIST_HEAD(view->rootexclude[i]); @@ -332,6 +334,10 @@ destroy(dns_view_t *view) { sizeof(dns_namelist_t) * DNS_VIEW_DELONLYHASH); view->rootexclude = NULL; } + if (view->resstats != NULL) + dns_stats_detach(&view->resstats); + if (view->resquerystats != NULL) + dns_stats_detach(&view->resquerystats); dns_keytable_detach(&view->trustedkeys); dns_keytable_detach(&view->secroots); dns_fwdtable_destroy(&view->fwdtable); @@ -578,6 +584,7 @@ dns_view_createresolver(dns_view_t *view, } result = dns_adb_create(mctx, view, timermgr, taskmgr, &view->adb); + isc_mem_setname(mctx, "ADB", NULL); isc_mem_detach(&mctx); if (result != ISC_R_SUCCESS) { dns_resolver_shutdown(view->resolver); @@ -943,7 +950,7 @@ dns_view_simplefind(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type, isc_result_t dns_view_findzonecut(dns_view_t *view, dns_name_t *name, dns_name_t *fname, isc_stdtime_t now, unsigned int options, - isc_boolean_t use_hints, + isc_boolean_t use_hints, dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) { return(dns_view_findzonecut2(view, name, fname, now, options, @@ -1157,8 +1164,8 @@ dns_viewlist_findzone(dns_viewlist_t *list, dns_name_t *name, REQUIRE(list != NULL); for (view = ISC_LIST_HEAD(*list); - view != NULL; - view = ISC_LIST_NEXT(view, link)) { + view != NULL; + view = ISC_LIST_NEXT(view, link)) { if (allclasses == ISC_FALSE && view->rdclass != rdclass) continue; result = dns_zt_find(view->zonetable, name, 0, NULL, @@ -1389,7 +1396,7 @@ dns_view_isdelegationonly(dns_view_t *view, dns_name_t *name) { return (ISC_TRUE); } -void +void dns_view_setrootdelonly(dns_view_t *view, isc_boolean_t value) { REQUIRE(DNS_VIEW_VALID(view)); view->rootdelonly = value; @@ -1407,46 +1414,38 @@ dns_view_freezezones(dns_view_t *view, isc_boolean_t value) { return (dns_zt_freezezones(view->zonetable, value)); } -#ifdef HAVE_LIBXML2 - -struct xmlarg { - int flags; - xmlTextWriterPtr xml; -}; - -static isc_result_t -zone_xmlrender(dns_zone_t *zone, void *arg) { - struct xmlarg *xmlarg = arg; +void +dns_view_setresstats(dns_view_t *view, dns_stats_t *stats) { + REQUIRE(DNS_VIEW_VALID(view)); + REQUIRE(!view->frozen); + REQUIRE(view->resstats == NULL); - return (dns_zone_xmlrender(zone, xmlarg->xml, xmlarg->flags)); + dns_stats_attach(stats, &view->resstats); } -isc_result_t -dns_view_xmlrender(dns_view_t *view, xmlTextWriterPtr xml, int flags) -{ - struct xmlarg xmlargs; - - xmlargs.flags = flags; - xmlargs.xml = xml; - - /* XXXMLG render config data here */ +void +dns_view_getresstats(dns_view_t *view, dns_stats_t **statsp) { + REQUIRE(DNS_VIEW_VALID(view)); + REQUIRE(statsp != NULL && *statsp == NULL); - if ((flags & ISC_XML_RENDERSTATS) != 0) { - xmlTextWriterStartElement(xml, ISC_XMLCHAR "view"); + if (view->resstats != NULL) + dns_stats_attach(view->resstats, statsp); +} - xmlTextWriterStartElement(xml, ISC_XMLCHAR "name"); - xmlTextWriterWriteString(xml, ISC_XMLCHAR view->name); - xmlTextWriterEndElement(xml); +void +dns_view_setresquerystats(dns_view_t *view, dns_stats_t *stats) { + REQUIRE(DNS_VIEW_VALID(view)); + REQUIRE(!view->frozen); + REQUIRE(view->resquerystats == NULL); - xmlTextWriterStartElement(xml, ISC_XMLCHAR "zones"); - dns_zt_apply(view->zonetable, ISC_FALSE, zone_xmlrender, - &xmlargs); - xmlTextWriterEndElement(xml); + dns_stats_attach(stats, &view->resquerystats); +} - xmlTextWriterEndElement(xml); - } +void +dns_view_getresquerystats(dns_view_t *view, dns_stats_t **statsp) { + REQUIRE(DNS_VIEW_VALID(view)); + REQUIRE(statsp != NULL && *statsp == NULL); - return (ISC_R_SUCCESS); + if (view->resquerystats != NULL) + dns_stats_attach(view->resquerystats, statsp); } - -#endif /* HAVE_LIBXML2 */ diff --git a/lib/dns/win32/libdns.def b/lib/dns/win32/libdns.def index cc27de6b..3c833854 100644 --- a/lib/dns/win32/libdns.def +++ b/lib/dns/win32/libdns.def @@ -100,6 +100,7 @@ dns_db_findnode dns_db_findrdataset dns_db_findzonecut dns_db_getoriginnode +dns_db_getrrsetstats dns_db_getsoaserial dns_db_iscache dns_db_ispersistent @@ -172,6 +173,7 @@ dns_dispatchmgr_destroy dns_dispatchmgr_getblackhole dns_dispatchmgr_setblackhole dns_dispatchmgr_setblackportlist +dns_dispatchmgr_setstats dns_dlzallowzonexfr dns_dlzcreate dns_dlzdestroy @@ -194,6 +196,9 @@ dns_fwdtable_add dns_fwdtable_create dns_fwdtable_destroy dns_fwdtable_find +dns_generalstats_create +dns_generalstats_dump +dns_generalstats_increment dns_iptable_addprefix dns_iptable_attach dns_iptable_create @@ -348,6 +353,10 @@ dns_ncache_towire dns_nsec_build dns_nsec_buildrdata dns_nsec_typepresent +dns_opcode_totext +dns_opcodestats_create +dns_opcodestats_dump +dns_opcodestats_increment dns_order_add dns_order_attach dns_order_create @@ -360,6 +369,7 @@ dns_peer_getkey dns_peer_getmaxudp dns_peer_getprovideixfr dns_peer_getrequestixfr +dns_peer_getrequestnsid dns_peer_getsupportedns dns_peer_gettransferformat dns_peer_gettransfers @@ -373,6 +383,7 @@ dns_peer_setnotifysource dns_peer_setprovideixfr dns_peer_setquerysource dns_peer_setrequestixfr +dns_peer_setrequestnsid dns_peer_setsupportedns dns_peer_settransferformat dns_peer_settransfers @@ -434,6 +445,7 @@ dns_rdataclass_format dns_rdataclass_fromtext dns_rdataclass_ismeta dns_rdataclass_totext +dns_rdatalist_fromrdataset dns_rdatalist_init dns_rdatalist_tordataset dns_rdataset_additionaldata @@ -454,6 +466,10 @@ dns_rdataset_setadditional dns_rdataset_totext dns_rdataset_towire dns_rdataset_towiresorted +dns_rdatasetstats_create +dns_rdatasetstats_decrement +dns_rdatasetstats_dump +dns_rdatasetstats_increment dns_rdatasetiter_current dns_rdatasetiter_destroy dns_rdatasetiter_first @@ -475,6 +491,9 @@ dns_rdatatype_iszonecutauth dns_rdatatype_notquestion dns_rdatatype_questiononly dns_rdatatype_totext +dns_rdatatypestats_create +dns_rdatatypestats_dump +dns_rdatatypestats_increment dns_request_cancel dns_request_create dns_request_createraw @@ -548,11 +567,9 @@ dns_ssutable_checkrules dns_ssutable_create dns_ssutable_detach dns_stats_alloccounters -dns_stats_copy -dns_stats_create -dns_stats_destroy +dns_stats_attach +dns_stats_detach dns_stats_freecounters -dns_stats_incrementcounter dns_tcpmsg_cancelread dns_tcpmsg_init dns_tcpmsg_invalidate @@ -610,6 +627,8 @@ dns_view_flushname dns_view_freeze dns_view_freezezones dns_view_getpeertsig +dns_view_getresstats +dns_view_getresquerystats dns_view_gettsig dns_view_load dns_view_loadnew @@ -617,6 +636,8 @@ dns_view_setcache dns_view_setdstport dns_view_sethints dns_view_setkeyring +dns_view_setresstats +dns_view_setresquerystats dns_view_setrootdelonly dns_view_simplefind dns_view_weakattach @@ -667,9 +688,10 @@ dns_zone_getnotifysrc6 dns_zone_getoptions dns_zone_getorigin dns_zone_getqueryacl +dns_zone_getrequeststats +dns_zone_getserial dns_zone_getsigvalidityinterval dns_zone_getssutable -dns_zone_getstats dns_zone_getstatscounters dns_zone_gettask dns_zone_gettype @@ -731,8 +753,10 @@ dns_zone_setoption dns_zone_setorigin dns_zone_setqueryacl dns_zone_setqueryonacl +dns_zone_setrequeststats dns_zone_setsigvalidityinterval dns_zone_setssutable +dns_zone_setstats dns_zone_setstatistics dns_zone_settask dns_zone_settype diff --git a/lib/dns/zone.c b/lib/dns/zone.c index 87add9f6..8e489fc8 100644 --- a/lib/dns/zone.c +++ b/lib/dns/zone.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: zone.c,v 1.470.12.2 2008/01/24 23:46:25 tbox Exp $ */ +/* $Id: zone.c,v 1.470.12.5 2008/04/07 05:30:58 marka Exp $ */ /*! \file */ @@ -33,7 +33,6 @@ #include <isc/taskpool.h> #include <isc/timer.h> #include <isc/util.h> -#include <isc/xml.h> #include <dns/acache.h> #include <dns/acl.h> @@ -249,9 +248,15 @@ struct dns_zone { ISC_LINK(dns_zone_t) statelink; dns_zonelist_t *statelist; /*% - * Optional per-zone statistics counters (NULL if not present). + * Statistics counters about zone management. */ - dns_stats_t *counters; + dns_stats_t *stats; + /*% + * Optional per-zone statistics counters. Counted outside of this + * module. + */ + isc_boolean_t requeststats_on; + dns_stats_t *requeststats; isc_uint32_t notifydelay; dns_isselffunc_t isself; void *isselfarg; @@ -547,6 +552,15 @@ static const char *dbargv_default[] = { "rbt" }; } \ } while (0) +/*% + * Increment resolver-related statistics counters. Zone must be locked. + */ +static inline void +inc_stats(dns_zone_t *zone, dns_statscounter_t counter) { + if (zone->stats != NULL) + dns_generalstats_increment(zone->stats, counter); +} + /*** *** Public functions. ***/ @@ -663,7 +677,9 @@ dns_zone_create(dns_zone_t **zonep, isc_mem_t *mctx) { zone->checkns = NULL; ISC_LINK_INIT(zone, statelink); zone->statelist = NULL; - zone->counters = NULL; + zone->stats = NULL; + zone->requeststats_on = ISC_FALSE; + zone->requeststats = NULL; zone->notifydelay = 5; zone->isself = NULL; zone->isselfarg = NULL; @@ -735,8 +751,10 @@ zone_free(dns_zone_t *zone) { if (zone->journal != NULL) isc_mem_free(zone->mctx, zone->journal); zone->journal = NULL; - if (zone->counters != NULL) - dns_stats_destroy(zone->mctx, &zone->counters); + if (zone->stats != NULL) + dns_stats_detach(&zone->stats); + if (zone->requeststats != NULL) + dns_stats_detach(&zone->requeststats); if (zone->db != NULL) zone_detachdb(zone); if (zone->acache != NULL) @@ -814,7 +832,7 @@ dns_zone_setclass(dns_zone_t *zone, dns_rdataclass_t rdclass) { } dns_rdataclass_t -dns_zone_getclass(dns_zone_t *zone){ +dns_zone_getclass(dns_zone_t *zone) { REQUIRE(DNS_ZONE_VALID(zone)); return (zone->rdclass); @@ -829,6 +847,19 @@ dns_zone_setnotifytype(dns_zone_t *zone, dns_notifytype_t notifytype) { UNLOCK_ZONE(zone); } +isc_uint32_t +dns_zone_getserial(dns_zone_t *zone) { + isc_uint32_t serial; + + REQUIRE(DNS_ZONE_VALID(zone)); + + LOCK_ZONE(zone); + serial = zone->serial; + UNLOCK_ZONE(zone); + + return (serial); +} + /* * Single shot. */ @@ -3850,6 +3881,16 @@ notify_send_toaddr(isc_task_t *task, isc_event_t *event) { timeout * 3, timeout, notify->zone->task, notify_done, notify, ¬ify->request); + if (result == ISC_R_SUCCESS) { + if (isc_sockaddr_pf(¬ify->dst) == AF_INET) { + inc_stats(notify->zone, + dns_zonestatscounter_notifyoutv4); + } else { + inc_stats(notify->zone, + dns_zonestatscounter_notifyoutv6); + } + } + cleanup_key: if (key != NULL) dns_tsigkey_detach(&key); @@ -4919,7 +4960,7 @@ create_query(dns_zone_t *zone, dns_rdatatype_t rdtype, } static isc_result_t -add_opt(dns_message_t *message, isc_uint16_t udpsize) { +add_opt(dns_message_t *message, isc_uint16_t udpsize, isc_boolean_t reqnsid) { dns_rdataset_t *rdataset = NULL; dns_rdatalist_t *rdatalist = NULL; dns_rdata_t *rdata = NULL; @@ -4949,11 +4990,21 @@ add_opt(dns_message_t *message, isc_uint16_t udpsize) { */ rdatalist->ttl = 0; - /* - * No EDNS options. - */ - rdata->data = NULL; - rdata->length = 0; + /* Set EDNS options if applicable */ + if (reqnsid) { + unsigned char data[4]; + isc_buffer_t buf; + + isc_buffer_init(&buf, data, sizeof(data)); + isc_buffer_putuint16(&buf, DNS_OPT_NSID); + isc_buffer_putuint16(&buf, 0); + rdata->data = data; + rdata->length = sizeof(data); + } else { + rdata->data = NULL; + rdata->length = 0; + } + rdata->rdclass = rdatalist->rdclass; rdata->type = rdatalist->type; rdata->flags = 0; @@ -4988,7 +5039,7 @@ soa_query(isc_task_t *task, isc_event_t *event) { isc_uint32_t options; isc_boolean_t cancel = ISC_TRUE; int timeout; - isc_boolean_t have_xfrsource; + isc_boolean_t have_xfrsource, reqnsid; isc_uint16_t udpsize = SEND_BUFFER_SIZE; REQUIRE(DNS_ZONE_VALID(zone)); @@ -5040,6 +5091,7 @@ soa_query(isc_task_t *task, isc_event_t *event) { (void)dns_view_getpeertsig(zone->view, &masterip, &key); have_xfrsource = ISC_FALSE; + reqnsid = zone->view->requestnsid; if (zone->view->peers != NULL) { dns_peer_t *peer = NULL; isc_boolean_t edns; @@ -5057,6 +5109,7 @@ soa_query(isc_task_t *task, isc_event_t *event) { udpsize = dns_resolver_getudpsize(zone->view->resolver); (void)dns_peer_getudpsize(peer, &udpsize); + (void)dns_peer_getrequestnsid(peer, &reqnsid); } } @@ -5088,7 +5141,7 @@ soa_query(isc_task_t *task, isc_event_t *event) { DNS_REQUESTOPT_TCP : 0; if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOEDNS)) { - result = add_opt(message, udpsize); + result = add_opt(message, udpsize, reqnsid); if (result != ISC_R_SUCCESS) zone_debuglog(zone, me, 1, "unable to add opt record: %s", @@ -5110,6 +5163,11 @@ soa_query(isc_task_t *task, isc_event_t *event) { "dns_request_createvia2() failed: %s", dns_result_totext(result)); goto cleanup; + } else { + if (isc_sockaddr_pf(&zone->masteraddr) == PF_INET) + inc_stats(zone, dns_zonestatscounter_soaoutv4); + else + inc_stats(zone, dns_zonestatscounter_soaoutv6); } cancel = ISC_FALSE; @@ -5152,7 +5210,7 @@ ns_query(dns_zone_t *zone, dns_rdataset_t *soardataset, dns_stub_t *stub) { dns_tsigkey_t *key = NULL; dns_dbnode_t *node = NULL; int timeout; - isc_boolean_t have_xfrsource = ISC_FALSE; + isc_boolean_t have_xfrsource = ISC_FALSE, reqnsid; isc_uint16_t udpsize = SEND_BUFFER_SIZE; REQUIRE(DNS_ZONE_VALID(zone)); @@ -5264,6 +5322,7 @@ ns_query(dns_zone_t *zone, dns_rdataset_t *soardataset, dns_stub_t *stub) { if (key == NULL) (void)dns_view_getpeertsig(zone->view, &masterip, &key); + reqnsid = zone->view->requestnsid; if (zone->view->peers != NULL) { dns_peer_t *peer = NULL; isc_boolean_t edns; @@ -5281,11 +5340,12 @@ ns_query(dns_zone_t *zone, dns_rdataset_t *soardataset, dns_stub_t *stub) { udpsize = dns_resolver_getudpsize(zone->view->resolver); (void)dns_peer_getudpsize(peer, &udpsize); + (void)dns_peer_getrequestnsid(peer, &reqnsid); } } if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOEDNS)) { - result = add_opt(message, udpsize); + result = add_opt(message, udpsize, reqnsid); if (result != ISC_R_SUCCESS) zone_debuglog(zone, me, 1, "unable to add opt record: %s", @@ -5750,6 +5810,10 @@ dns_zone_notifyreceive(dns_zone_t *zone, isc_sockaddr_t *from, * We only handle NOTIFY (SOA) at the present. */ LOCK_ZONE(zone); + if (isc_sockaddr_pf(from) == PF_INET) + inc_stats(zone, dns_zonestatscounter_notifyinv4); + else + inc_stats(zone, dns_zonestatscounter_notifyinv6); if (msg->counts[DNS_SECTION_QUESTION] == 0 || dns_message_findname(msg, DNS_SECTION_QUESTION, &zone->origin, dns_rdatatype_soa, dns_rdatatype_none, @@ -5804,6 +5868,7 @@ dns_zone_notifyreceive(dns_zone_t *zone, isc_sockaddr_t *from, UNLOCK_ZONE(zone); dns_zone_log(zone, ISC_LOG_INFO, "refused notify from non-master: %s", fromtext); + inc_stats(zone, dns_zonestatscounter_notifyrej); return (DNS_R_REFUSED); } @@ -6772,6 +6837,7 @@ zone_xfrdone(dns_zone_t *zone, isc_result_t result) { dns_result_totext(result)); } + inc_stats(zone, dns_zonestatscounter_xfrsuccess); break; case DNS_R_BADIXFR: @@ -6806,6 +6872,7 @@ zone_xfrdone(dns_zone_t *zone, isc_result_t result) { DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_REFRESH); again = ISC_TRUE; } + inc_stats(zone, dns_zonestatscounter_xfrfail); break; } zone_settimer(zone, &now); @@ -7095,6 +7162,21 @@ got_transfer_quota(isc_task_t *task, isc_event_t *event) { zone->tsigkey, zone->mctx, zone->zmgr->timermgr, zone->zmgr->socketmgr, zone->task, zone_xfrdone, &zone->xfr); + if (result == ISC_R_SUCCESS) { + LOCK_ZONE(zone); + if (xfrtype == dns_rdatatype_axfr) { + if (isc_sockaddr_pf(&masteraddr) == PF_INET) + inc_stats(zone, dns_zonestatscounter_axfrreqv4); + else + inc_stats(zone, dns_zonestatscounter_axfrreqv6); + } else if (xfrtype == dns_rdatatype_ixfr) { + if (isc_sockaddr_pf(&masteraddr) == PF_INET) + inc_stats(zone, dns_zonestatscounter_ixfrreqv4); + else + inc_stats(zone, dns_zonestatscounter_ixfrreqv6); + } + UNLOCK_ZONE(zone); + } cleanup: /* * Any failure in this function is handled like a failed @@ -8086,35 +8168,66 @@ dns_zone_isforced(dns_zone_t *zone) { isc_result_t dns_zone_setstatistics(dns_zone_t *zone, isc_boolean_t on) { - isc_result_t result = ISC_R_SUCCESS; - - LOCK_ZONE(zone); - if (on) { - if (zone->counters != NULL) - goto done; - result = dns_stats_create(zone->mctx, &zone->counters); - } else { - if (zone->counters == NULL) - goto done; - dns_stats_destroy(zone->mctx, &zone->counters); - } - done: - UNLOCK_ZONE(zone); - return (result); + /* + * This function is obsoleted. + */ + UNUSED(zone); + UNUSED(on); + return (ISC_R_NOTIMPLEMENTED); } isc_uint64_t * dns_zone_getstatscounters(dns_zone_t *zone) { /* - * This function is obsoleted by dns_zone_getstats(). + * This function is obsoleted. */ UNUSED(zone); return (NULL); } +void +dns_zone_setstats(dns_zone_t *zone, dns_stats_t *stats) { + REQUIRE(DNS_ZONE_VALID(zone)); + REQUIRE(zone->stats == NULL); + + LOCK_ZONE(zone); + zone->stats = NULL; + dns_stats_attach(stats, &zone->stats); + UNLOCK_ZONE(zone); +} + +void +dns_zone_setrequeststats(dns_zone_t *zone, dns_stats_t *stats) { + REQUIRE(DNS_ZONE_VALID(zone)); + + LOCK_ZONE(zone); + if (zone->requeststats_on && stats == NULL) + zone->requeststats_on = ISC_FALSE; + else if (!zone->requeststats_on && stats != NULL) { + if (zone->requeststats == NULL) { + dns_stats_attach(stats, &zone->requeststats); + zone->requeststats_on = ISC_TRUE; + } + } + UNLOCK_ZONE(zone); + + return; +} + dns_stats_t * -dns_zone_getstats(dns_zone_t *zone) { - return (zone->counters); +dns_zone_getrequeststats(dns_zone_t *zone) { + /* + * We don't lock zone for efficiency reason. This is not catastrophic + * because requeststats must always be valid when requeststats_on is + * true. + * Some counters may be incremented while requeststats_on is becoming + * false, or some cannot be incremented just after the statistics are + * installed, but it shouldn't matter much in practice. + */ + if (zone->requeststats_on) + return (zone->requeststats); + else + return (NULL); } void @@ -8325,50 +8438,3 @@ dns_zone_getnotifydelay(dns_zone_t *zone) { return (zone->notifydelay); } - -#ifdef HAVE_LIBXML2 - -isc_result_t -dns_zone_xmlrender(dns_zone_t *zone, xmlTextWriterPtr xml, int flags) -{ - int i; - - /* XXXMLG render config data here */ - - if ((flags & ISC_XML_RENDERSTATS) != 0) { - xmlTextWriterStartElement(xml, ISC_XMLCHAR "zone"); - - xmlTextWriterStartElement(xml, ISC_XMLCHAR "name"); - xmlTextWriterWriteString(xml, ISC_XMLCHAR zone->strname); - xmlTextWriterEndElement(xml); - - xmlTextWriterStartElement(xml, ISC_XMLCHAR "rdataclass"); - xmlTextWriterWriteString(xml, ISC_XMLCHAR zone->strrdclass); - xmlTextWriterEndElement(xml); - - xmlTextWriterStartElement(xml, ISC_XMLCHAR "serial"); - xmlTextWriterWriteFormatString(xml, "%u", zone->serial); - xmlTextWriterEndElement(xml); - - if (zone->counters != NULL) { - isc_uint64_t counters[DNS_STATS_NCOUNTERS]; - - xmlTextWriterStartElement(xml, ISC_XMLCHAR "counters"); - dns_stats_copy(zone->counters, counters); - for (i = 0 ; i < DNS_STATS_NCOUNTERS ; i++) { - xmlTextWriterStartElement(xml, - ISC_XMLCHAR dns_statscounter_names[i]); - xmlTextWriterWriteFormatString(xml, - "%" ISC_PRINT_QUADFORMAT "u", - counters[i]); - xmlTextWriterEndElement(xml); - } - xmlTextWriterEndElement(xml); /* counters */ - } - xmlTextWriterEndElement(xml); /* zone */ - } - - return (ISC_R_SUCCESS); -} - -#endif /* HAVE_LIBXML2 */ diff --git a/lib/isc/api b/lib/isc/api index 58fb9f89..d2b48eaa 100644 --- a/lib/isc/api +++ b/lib/isc/api @@ -1,3 +1,3 @@ -LIBINTERFACE = 41 +LIBINTERFACE = 42 LIBREVISION = 0 -LIBAGE = 0 +LIBAGE = 1 diff --git a/lib/isc/include/isc/mem.h b/lib/isc/include/isc/mem.h index ade0794a..37a83668 100644 --- a/lib/isc/include/isc/mem.h +++ b/lib/isc/include/isc/mem.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1997-2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: mem.h,v 1.72 2007/06/18 23:47:44 tbox Exp $ */ +/* $Id: mem.h,v 1.72.128.3 2008/03/31 05:06:47 marka Exp $ */ #ifndef ISC_MEM_H #define ISC_MEM_H 1 @@ -157,7 +157,7 @@ LIBISC_EXTERNAL_DATA extern unsigned int isc_mem_debugging; #define isc_mem_strdup(c, p) isc__mem_strdup((c), (p) _ISC_MEM_FILELINE) #define isc_mempool_get(c) isc__mempool_get((c) _ISC_MEM_FILELINE) -/*% +/*% * isc_mem_putanddetach() is a convienence function for use where you * have a structure with an attached memory context. * @@ -216,7 +216,7 @@ LIBISC_EXTERNAL_DATA extern unsigned int isc_mem_debugging; #endif /*@{*/ -isc_result_t +isc_result_t isc_mem_create(size_t max_size, size_t target_size, isc_mem_t **mctxp); @@ -224,12 +224,12 @@ isc_result_t isc_mem_create2(size_t max_size, size_t target_size, isc_mem_t **mctxp, unsigned int flags); -isc_result_t +isc_result_t isc_mem_createx(size_t max_size, size_t target_size, isc_memalloc_t memalloc, isc_memfree_t memfree, void *arg, isc_mem_t **mctxp); -isc_result_t +isc_result_t isc_mem_createx2(size_t max_size, size_t target_size, isc_memalloc_t memalloc, isc_memfree_t memfree, void *arg, isc_mem_t **mctxp, unsigned int flags); @@ -266,9 +266,9 @@ isc_mem_createx2(size_t max_size, size_t target_size, /*@}*/ /*@{*/ -void +void isc_mem_attach(isc_mem_t *, isc_mem_t **); -void +void isc_mem_detach(isc_mem_t **); /*!< * \brief Attach to / detach from a memory context. @@ -276,7 +276,7 @@ isc_mem_detach(isc_mem_t **); * This is intended for applications that use multiple memory contexts * in such a way that it is not obvious when the last allocations from * a given context has been freed and destroying the context is safe. - * + * * Most applications do not need to call these functions as they can * simply create a single memory context at the beginning of main() * and destroy it at the end of main(), thereby guaranteeing that it @@ -284,13 +284,13 @@ isc_mem_detach(isc_mem_t **); */ /*@}*/ -void +void isc_mem_destroy(isc_mem_t **); /*%< * Destroy a memory context. */ -isc_result_t +isc_result_t isc_mem_ondestroy(isc_mem_t *ctx, isc_task_t *task, isc_event_t **event); @@ -299,13 +299,13 @@ isc_mem_ondestroy(isc_mem_t *ctx, * been successfully destroyed. */ -void +void isc_mem_stats(isc_mem_t *mctx, FILE *out); /*%< * Print memory usage statistics for 'mctx' on the stream 'out'. */ -void +void isc_mem_setdestroycheck(isc_mem_t *mctx, isc_boolean_t on); /*%< @@ -314,9 +314,9 @@ isc_mem_setdestroycheck(isc_mem_t *mctx, */ /*@{*/ -void +void isc_mem_setquota(isc_mem_t *, size_t); -size_t +size_t isc_mem_getquota(isc_mem_t *); /*%< * Set/get the memory quota of 'mctx'. This is a hard limit @@ -325,7 +325,7 @@ isc_mem_getquota(isc_mem_t *); */ /*@}*/ -size_t +size_t isc_mem_inuse(isc_mem_t *mctx); /*%< * Get an estimate of the number of memory in use in 'mctx', in bytes. @@ -337,13 +337,29 @@ void isc_mem_setwater(isc_mem_t *mctx, isc_mem_water_t water, void *water_arg, size_t hiwater, size_t lowater); /*%< - * Set high and low water marks for this memory context. - * - * When the memory - * usage of 'mctx' exceeds 'hiwater', '(water)(water_arg, #ISC_MEM_HIWATER)' - * will be called. When the usage drops below 'lowater', 'water' will - * again be called, this time with #ISC_MEM_LOWATER. - * + * Set high and low water marks for this memory context. + * + * When the memory usage of 'mctx' exceeds 'hiwater', + * '(water)(water_arg, #ISC_MEM_HIWATER)' will be called. 'water' needs to + * call isc_mem_waterack() with #ISC_MEM_HIWATER to acknowlege the state + * change. 'water' may be called multiple times. + * + * When the usage drops below 'lowater', 'water' will again be called, this + * time with #ISC_MEM_LOWATER. 'water' need to calls isc_mem_waterack() with + * #ISC_MEM_LOWATER to acknowlege the change. + * + * static void + * water(void *arg, int mark) { + * struct foo *foo = arg; + * + * LOCK(&foo->marklock); + * if (foo->mark != mark) { + * foo->mark = mark; + * .... + * isc_mem_waterack(foo->mctx, mark); + * } + * UNLOCK(&foo->marklock); + * } * If 'water' is NULL then 'water_arg', 'hi_water' and 'lo_water' are * ignored and the state is reset. * @@ -354,6 +370,12 @@ isc_mem_setwater(isc_mem_t *mctx, isc_mem_water_t water, void *water_arg, */ void +isc_mem_waterack(isc_mem_t *ctx, int mark); +/*%< + * Called to acknowledge changes in signalled by calls to 'water'. + */ + +void isc_mem_printactive(isc_mem_t *mctx, FILE *file); /*%< * Print to 'file' all active memory in 'mctx'. @@ -377,6 +399,59 @@ isc_mem_checkdestroyed(FILE *file); * Fatally fails if there are still active contexts. */ +void +isc_mem_setname(isc_mem_t *ctx, const char *name, void *tag); +/*%< + * Name 'ctx'. + * + * Notes: + * + *\li Only the first 15 characters of 'name' will be copied. + * + *\li 'tag' is for debugging purposes only. + * + * Requires: + * + *\li 'ctx' is a valid ctx. + */ + +const char * +isc_mem_getname(isc_mem_t *ctx); +/*%< + * Get the name of 'ctx', as previously set using isc_mem_setname(). + * + * Requires: + *\li 'ctx' is a valid ctx. + * + * Returns: + *\li A non-NULL pointer to a null-terminated string. + * If the ctx has not been named, the string is + * empty. + */ + +void * +isc_mem_gettag(isc_mem_t *ctx); +/*%< + * Get the tag value for 'task', as previously set using isc_mem_setname(). + * + * Requires: + *\li 'ctx' is a valid ctx. + * + * Notes: + *\li This function is for debugging purposes only. + * + * Requires: + *\li 'ctx' is a valid task. + */ + +#ifdef HAVE_LIBXML2 +void +isc_mem_renderxml(xmlTextWriterPtr writer); +/*%< + * Render all contexts' statistics and status in XML for writer. + */ +#endif /* HAVE_LIBXML2 */ + /* * Memory pools */ @@ -521,28 +596,23 @@ isc_mempool_setfillcount(isc_mempool_t *mpctx, unsigned int limit); /* * Pseudo-private functions for use via macros. Do not call directly. */ -void * +void * isc__mem_get(isc_mem_t *, size_t _ISC_MEM_FLARG); -void +void isc__mem_putanddetach(isc_mem_t **, void *, size_t _ISC_MEM_FLARG); -void +void isc__mem_put(isc_mem_t *, void *, size_t _ISC_MEM_FLARG); -void * +void * isc__mem_allocate(isc_mem_t *, size_t _ISC_MEM_FLARG); -void +void isc__mem_free(isc_mem_t *, void * _ISC_MEM_FLARG); -char * +char * isc__mem_strdup(isc_mem_t *, const char *_ISC_MEM_FLARG); -void * +void * isc__mempool_get(isc_mempool_t * _ISC_MEM_FLARG); -void -isc__mempool_put(isc_mempool_t *, void * _ISC_MEM_FLARG); - -#ifdef HAVE_LIBXML2 void -isc_mem_renderxml(isc_mem_t *mgr, xmlTextWriterPtr writer); -#endif /* HAVE_LIBXML2 */ +isc__mempool_put(isc_mempool_t *, void * _ISC_MEM_FLARG); ISC_LANG_ENDDECLS diff --git a/lib/isc/mem.c b/lib/isc/mem.c index 36b9a7b0..bf82ad56 100644 --- a/lib/isc/mem.c +++ b/lib/isc/mem.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1997-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: mem.c,v 1.137 2007/11/26 04:27:19 marka Exp $ */ +/* $Id: mem.c,v 1.137.16.4 2008/03/31 23:46:42 tbox Exp $ */ /*! \file */ @@ -34,6 +34,7 @@ #include <isc/ondestroy.h> #include <isc/string.h> #include <isc/mutex.h> +#include <isc/print.h> #include <isc/util.h> #include <isc/xml.h> @@ -113,6 +114,12 @@ static ISC_LIST(isc_mem_t) contexts; static isc_once_t once = ISC_ONCE_INIT; static isc_mutex_t lock; +/*% + * Total size of lost memory due to a bug of external library. + * Locked by the global lock. + */ +static isc_uint64_t totallost; + struct isc_mem { unsigned int magic; isc_ondestroy_t ondestroy; @@ -125,6 +132,8 @@ struct isc_mem { isc_boolean_t checkfree; struct stats * stats; unsigned int references; + char name[16]; + void * tag; size_t quota; size_t total; size_t inuse; @@ -135,6 +144,7 @@ struct isc_mem { isc_mem_water_t water; void * water_arg; ISC_LIST(isc_mempool_t) pools; + unsigned int poolcnt; /* ISC_MEMFLAG_INTERNAL */ size_t mem_target; @@ -148,6 +158,7 @@ struct isc_mem { #if ISC_MEM_TRACKLINES debuglist_t * debuglist; + unsigned int debuglistcnt; #endif unsigned int memalloc_failures; @@ -193,7 +204,7 @@ struct isc_mempool { if ((isc_mem_debugging & (ISC_MEM_DEBUGTRACE | \ ISC_MEM_DEBUGRECORD)) != 0 && \ b != NULL) \ - add_trace_entry(a, b, c, d, e); \ + add_trace_entry(a, b, c, d, e); \ } while (0) #define DELETE_TRACE(a, b, c, d, e) delete_trace_entry(a, b, c, d, e) @@ -259,6 +270,7 @@ add_trace_entry(isc_mem_t *mctx, const void *ptr, unsigned int size dl->count = 1; ISC_LIST_PREPEND(mctx->debuglist[size], dl, link); + mctx->debuglistcnt++; } static inline void @@ -314,7 +326,7 @@ delete_trace_entry(isc_mem_t *mctx, const void *ptr, unsigned int size, static inline size_t rmsize(size_t size) { /* - * round down to ALIGNMENT_SIZE + * round down to ALIGNMENT_SIZE */ return (size & (~(ALIGNMENT_SIZE - 1))); } @@ -603,7 +615,7 @@ mem_get(isc_mem_t *ctx, size_t size) { ret = (ctx->memalloc)(ctx->arg, size); if (ret == NULL) - ctx->memalloc_failures++; + ctx->memalloc_failures++; #if ISC_MEM_FILL if (ret != NULL) @@ -692,6 +704,7 @@ static void initialize_action(void) { RUNTIME_CHECK(isc_mutex_init(&lock) == ISC_R_SUCCESS); ISC_LIST_INIT(contexts); + totallost = 0; } /* @@ -705,7 +718,7 @@ isc_mem_createx(size_t init_max_size, size_t target_size, { return (isc_mem_createx2(init_max_size, target_size, memalloc, memfree, arg, ctxp, ISC_MEMFLAG_DEFAULT)); - + } isc_result_t @@ -742,6 +755,8 @@ isc_mem_createx2(size_t init_max_size, size_t target_size, ctx->max_size = init_max_size; ctx->flags = flags; ctx->references = 1; + memset(ctx->name, 0, sizeof(ctx->name)); + ctx->tag = NULL; ctx->quota = 0; ctx->total = 0; ctx->inuse = 0; @@ -760,8 +775,10 @@ isc_mem_createx2(size_t init_max_size, size_t target_size, ctx->checkfree = ISC_TRUE; #if ISC_MEM_TRACKLINES ctx->debuglist = NULL; + ctx->debuglistcnt = 0; #endif ISC_LIST_INIT(ctx->pools); + ctx->poolcnt = 0; ctx->freelists = NULL; ctx->basic_blocks = NULL; ctx->basic_table = NULL; @@ -862,6 +879,7 @@ destroy(isc_mem_t *ctx) { LOCK(&lock); ISC_LIST_UNLINK(contexts, ctx, link); + totallost += ctx->inuse; UNLOCK(&lock); INSIST(ISC_LIST_EMPTY(ctx->pools)); @@ -882,7 +900,7 @@ destroy(isc_mem_t *ctx) { dl != NULL; dl = ISC_LIST_HEAD(ctx->debuglist[i])) { ISC_LIST_UNLINK(ctx->debuglist[i], - dl, link); + dl, link); free(dl); } } @@ -1086,7 +1104,6 @@ isc__mem_get(isc_mem_t *ctx, size_t size FLARG) { ADD_TRACE(ctx, ptr, size, file, line); if (ctx->hi_water != 0U && !ctx->hi_called && ctx->inuse > ctx->hi_water) { - ctx->hi_called = ISC_TRUE; call_water = ISC_TRUE; } if (ctx->inuse > ctx->maxinuse) { @@ -1142,10 +1159,8 @@ isc__mem_put(isc_mem_t *ctx, void *ptr, size_t size FLARG) * when the context was pushed over hi_water but then had * isc_mem_setwater() called with 0 for hi_water and lo_water. */ - if (ctx->hi_called && + if (ctx->hi_called && (ctx->inuse < ctx->lo_water || ctx->lo_water == 0U)) { - ctx->hi_called = ISC_FALSE; - if (ctx->water != NULL) call_water = ISC_TRUE; } @@ -1155,6 +1170,18 @@ isc__mem_put(isc_mem_t *ctx, void *ptr, size_t size FLARG) (ctx->water)(ctx->water_arg, ISC_MEM_LOWATER); } +void +isc_mem_waterack(isc_mem_t *ctx, int flag) { + REQUIRE(VALID_CONTEXT(ctx)); + + MCTXLOCK(ctx, &ctx->lock); + if (flag == ISC_MEM_LOWATER) + ctx->hi_called = ISC_FALSE; + else if (flag == ISC_MEM_HIWATER) + ctx->hi_called = ISC_TRUE; + MCTXUNLOCK(ctx, &ctx->lock); +} + #if ISC_MEM_TRACKLINES static void print_active(isc_mem_t *mctx, FILE *out) { @@ -1170,11 +1197,11 @@ print_active(isc_mem_t *mctx, FILE *out) { "memory allocations:\n")); found = ISC_FALSE; format = isc_msgcat_get(isc_msgcat, ISC_MSGSET_MEM, - ISC_MSG_PTRFILELINE, + ISC_MSG_PTRFILELINE, "\tptr %p size %u file %s line %u\n"); for (i = 0; i <= mctx->max_size; i++) { dl = ISC_LIST_HEAD(mctx->debuglist[i]); - + if (dl != NULL) found = ISC_TRUE; @@ -1372,7 +1399,7 @@ isc__mem_free(isc_mem_t *ctx, void *ptr FLARG) { * when the context was pushed over hi_water but then had * isc_mem_setwater() called with 0 for hi_water and lo_water. */ - if (ctx->hi_called && + if (ctx->hi_called && (ctx->inuse < ctx->lo_water || ctx->lo_water == 0U)) { ctx->hi_called = ISC_FALSE; @@ -1462,7 +1489,7 @@ isc_mem_inuse(isc_mem_t *ctx) { void isc_mem_setwater(isc_mem_t *ctx, isc_mem_water_t water, void *water_arg, - size_t hiwater, size_t lowater) + size_t hiwater, size_t lowater) { isc_boolean_t callwater = ISC_FALSE; isc_mem_water_t oldwater; @@ -1493,11 +1520,36 @@ isc_mem_setwater(isc_mem_t *ctx, isc_mem_water_t water, void *water_arg, ctx->hi_called = ISC_FALSE; } MCTXUNLOCK(ctx, &ctx->lock); - + if (callwater && oldwater != NULL) (oldwater)(oldwater_arg, ISC_MEM_LOWATER); } +void +isc_mem_setname(isc_mem_t *ctx, const char *name, void *tag) { + REQUIRE(VALID_CONTEXT(ctx)); + + LOCK(&ctx->lock); + memset(ctx->name, 0, sizeof(ctx->name)); + strncpy(ctx->name, name, sizeof(ctx->name) - 1); + ctx->tag = tag; + UNLOCK(&ctx->lock); +} + +const char * +isc_mem_getname(isc_mem_t *ctx) { + REQUIRE(VALID_CONTEXT(ctx)); + + return (ctx->name); +} + +void * +isc_mem_gettag(isc_mem_t *ctx) { + REQUIRE(VALID_CONTEXT(ctx)); + + return (ctx->tag); +} + /* * Memory pool stuff */ @@ -1537,6 +1589,7 @@ isc_mempool_create(isc_mem_t *mctx, size_t size, isc_mempool_t **mpctxp) { MCTXLOCK(mctx, &mctx->lock); ISC_LIST_INITANDAPPEND(mctx->pools, mpctx, link); + mctx->poolcnt++; MCTXUNLOCK(mctx, &mctx->lock); return (ISC_R_SUCCESS); @@ -1611,6 +1664,7 @@ isc_mempool_destroy(isc_mempool_t **mpctxp) { */ MCTXLOCK(mctx, &mctx->lock); ISC_LIST_UNLINK(mctx->pools, mpctx, link); + mctx->poolcnt--; MCTXUNLOCK(mctx, &mctx->lock); mpctx->magic = 0; @@ -1932,7 +1986,7 @@ isc_mem_printallactive(FILE *file) { #endif } -void +void isc_mem_checkdestroyed(FILE *file) { RUNTIME_CHECK(isc_once_do(&once, initialize_action) == ISC_R_SUCCESS); @@ -1957,115 +2011,149 @@ isc_mem_checkdestroyed(FILE *file) { #ifdef HAVE_LIBXML2 -void -isc_mem_renderxml(isc_mem_t *ctx, xmlTextWriterPtr writer) -{ - size_t i; - const struct stats *s; - const isc_mempool_t *pool; +typedef struct summarystat { + isc_uint64_t total; + isc_uint64_t inuse; + isc_uint64_t blocksize; + isc_uint64_t contextsize; +} summarystat_t; +static void +renderctx(isc_mem_t *ctx, summarystat_t *summary, xmlTextWriterPtr writer) { REQUIRE(VALID_CONTEXT(ctx)); - MCTXLOCK(ctx, &ctx->lock); - xmlTextWriterStartElement(writer, ISC_XMLCHAR "references"); - xmlTextWriterWriteFormatString(writer, "%d", ctx->references); - xmlTextWriterEndElement(writer); + xmlTextWriterStartElement(writer, ISC_XMLCHAR "context"); - xmlTextWriterStartElement(writer, ISC_XMLCHAR "buckets"); - for (i = 0; i <= ctx->max_size; i++) { - s = &ctx->stats[i]; + xmlTextWriterStartElement(writer, ISC_XMLCHAR "id"); + xmlTextWriterWriteFormatString(writer, "%p", ctx); + xmlTextWriterEndElement(writer); /* id */ - if (s->totalgets == 0U && s->gets == 0U) - continue; + if (ctx->name[0] != 0) { + xmlTextWriterStartElement(writer, ISC_XMLCHAR "name"); + xmlTextWriterWriteFormatString(writer, "%s", ctx->name); + xmlTextWriterEndElement(writer); /* name */ + } - xmlTextWriterStartElement(writer, ISC_XMLCHAR "bucket"); + REQUIRE(VALID_CONTEXT(ctx)); + MCTXLOCK(ctx, &ctx->lock); - xmlTextWriterStartElement(writer, ISC_XMLCHAR "size"); - xmlTextWriterWriteFormatString(writer, "%ld", (long)i); - xmlTextWriterEndElement(writer); /* size */ + summary->contextsize += sizeof(*ctx) + + (ctx->max_size + 1) * sizeof(struct stats) + + ctx->max_size * sizeof(element *) + + ctx->basic_table_count * sizeof(char *); +#if ISC_MEM_TRACKLINES + if (ctx->debuglist != NULL) { + summary->contextsize += + (ctx->max_size + 1) * sizeof(debuglist_t) + + ctx->debuglistcnt * sizeof(debuglink_t); + } +#endif + xmlTextWriterStartElement(writer, ISC_XMLCHAR "references"); + xmlTextWriterWriteFormatString(writer, "%d", ctx->references); + xmlTextWriterEndElement(writer); /* references */ + + summary->total += ctx->total; + xmlTextWriterStartElement(writer, ISC_XMLCHAR "total"); + xmlTextWriterWriteFormatString(writer, "%" ISC_PRINT_QUADFORMAT "u", + (isc_uint64_t)ctx->total); + xmlTextWriterEndElement(writer); /* total */ + + summary->inuse += ctx->inuse; + xmlTextWriterStartElement(writer, ISC_XMLCHAR "inuse"); + xmlTextWriterWriteFormatString(writer, "%" ISC_PRINT_QUADFORMAT "u", + (isc_uint64_t)ctx->inuse); + xmlTextWriterEndElement(writer); /* inuse */ + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "maxinuse"); + xmlTextWriterWriteFormatString(writer, "%" ISC_PRINT_QUADFORMAT "u", + (isc_uint64_t)ctx->maxinuse); + xmlTextWriterEndElement(writer); /* maxinuse */ + + xmlTextWriterStartElement(writer, ISC_XMLCHAR "blocksize"); + if ((ctx->flags & ISC_MEMFLAG_INTERNAL) != 0) { + summary->blocksize += ctx->basic_table_count * + NUM_BASIC_BLOCKS * ctx->mem_target; + xmlTextWriterWriteFormatString(writer, + "%" ISC_PRINT_QUADFORMAT "u", + (isc_uint64_t) + ctx->basic_table_count * + NUM_BASIC_BLOCKS * + ctx->mem_target); + } else + xmlTextWriterWriteFormatString(writer, "%s", "-"); + xmlTextWriterEndElement(writer); /* blocksize */ - xmlTextWriterStartElement(writer, ISC_XMLCHAR "totalgets"); - xmlTextWriterWriteFormatString(writer, "%lu", s->totalgets); - xmlTextWriterEndElement(writer); /* totalgets */ + xmlTextWriterStartElement(writer, ISC_XMLCHAR "pools"); + xmlTextWriterWriteFormatString(writer, "%u", ctx->poolcnt); + xmlTextWriterEndElement(writer); /* pools */ + summary->contextsize += ctx->poolcnt * sizeof(isc_mempool_t); - xmlTextWriterStartElement(writer, ISC_XMLCHAR "gets"); - xmlTextWriterWriteFormatString(writer, "%lu", s->gets); - xmlTextWriterEndElement(writer); /* gets */ + xmlTextWriterStartElement(writer, ISC_XMLCHAR "hiwater"); + xmlTextWriterWriteFormatString(writer, "%" ISC_PRINT_QUADFORMAT "u", + (isc_uint64_t)ctx->hi_water); + xmlTextWriterEndElement(writer); /* hiwater */ - if ((ctx->flags & ISC_MEMFLAG_INTERNAL) != 0 && - (s->blocks != 0U || s->freefrags != 0U)) { - xmlTextWriterStartElement(writer, - ISC_XMLCHAR "blocks"); - xmlTextWriterWriteFormatString(writer, "%lu", - s->blocks); - xmlTextWriterEndElement(writer); /* blocks */ - - xmlTextWriterStartElement(writer, - ISC_XMLCHAR "freefrags"); - xmlTextWriterWriteFormatString(writer, "%lu", - s->freefrags); - xmlTextWriterEndElement(writer); /* freefrags */ - } + xmlTextWriterStartElement(writer, ISC_XMLCHAR "lowater"); + xmlTextWriterWriteFormatString(writer, "%" ISC_PRINT_QUADFORMAT "u", + (isc_uint64_t)ctx->lo_water); + xmlTextWriterEndElement(writer); /* lowater */ - xmlTextWriterEndElement(writer); /* bucket */ - } - xmlTextWriterEndElement(writer); /* buckets */ + MCTXUNLOCK(ctx, &ctx->lock); - /* - * Note that since a pool can be locked now, these stats might be - * somewhat off if the pool is in active use at the time the stats - * are dumped. The link fields are protected by the isc_mem_t's - * lock, however, so walking this list and extracting integers from - * stats fields is always safe. - */ - xmlTextWriterStartElement(writer, ISC_XMLCHAR "pools"); - pool = ISC_LIST_HEAD(ctx->pools); - while (pool != NULL) { - xmlTextWriterStartElement(writer, ISC_XMLCHAR "pool"); + xmlTextWriterEndElement(writer); /* context */ +} + +void +isc_mem_renderxml(xmlTextWriterPtr writer) { + isc_mem_t *ctx; + summarystat_t summary; + isc_uint64_t lost; - xmlTextWriterWriteElement(writer, ISC_XMLCHAR "name", - ISC_XMLCHAR pool->name); + memset(&summary, 0, sizeof(summary)); - xmlTextWriterStartElement(writer, ISC_XMLCHAR "size"); - xmlTextWriterWriteFormatString(writer, "%ld", (long)pool->size); - xmlTextWriterEndElement(writer); /* size */ + xmlTextWriterStartElement(writer, ISC_XMLCHAR "contexts"); - xmlTextWriterStartElement(writer, ISC_XMLCHAR "maxalloc"); - xmlTextWriterWriteFormatString(writer, "%u", pool->maxalloc); - xmlTextWriterEndElement(writer); /* maxalloc */ + RUNTIME_CHECK(isc_once_do(&once, initialize_action) == ISC_R_SUCCESS); - xmlTextWriterStartElement(writer, ISC_XMLCHAR "allocated"); - xmlTextWriterWriteFormatString(writer, "%u", pool->allocated); - xmlTextWriterEndElement(writer); /* allocated */ + LOCK(&lock); + lost = totallost; + for (ctx = ISC_LIST_HEAD(contexts); + ctx != NULL; + ctx = ISC_LIST_NEXT(ctx, link)) { + renderctx(ctx, &summary, writer); + } + UNLOCK(&lock); - xmlTextWriterStartElement(writer, ISC_XMLCHAR "freecount"); - xmlTextWriterWriteFormatString(writer, "%u", pool->freecount); - xmlTextWriterEndElement(writer); /* freecount */ + xmlTextWriterEndElement(writer); /* contexts */ - xmlTextWriterStartElement(writer, ISC_XMLCHAR "freemax"); - xmlTextWriterWriteFormatString(writer, "%u", pool->freemax); - xmlTextWriterEndElement(writer); /* freemax */ + xmlTextWriterStartElement(writer, ISC_XMLCHAR "summary"); - xmlTextWriterStartElement(writer, ISC_XMLCHAR "fillcount"); - xmlTextWriterWriteFormatString(writer, "%u", pool->fillcount); - xmlTextWriterEndElement(writer); /* fillcount */ + xmlTextWriterStartElement(writer, ISC_XMLCHAR "TotalUse"); + xmlTextWriterWriteFormatString(writer, "%" ISC_PRINT_QUADFORMAT "u", + summary.total); + xmlTextWriterEndElement(writer); /* TotalUse */ - xmlTextWriterStartElement(writer, ISC_XMLCHAR "gets"); - xmlTextWriterWriteFormatString(writer, "%u", pool->gets); - xmlTextWriterEndElement(writer); /* gets */ + xmlTextWriterStartElement(writer, ISC_XMLCHAR "InUse"); + xmlTextWriterWriteFormatString(writer, "%" ISC_PRINT_QUADFORMAT "u", + summary.inuse); + xmlTextWriterEndElement(writer); /* InUse */ - xmlTextWriterStartElement(writer, ISC_XMLCHAR "locked"); - xmlTextWriterWriteFormatString(writer, "%s", - ((pool->lock == NULL) ? "No" : "Yes")); - xmlTextWriterEndElement(writer); /* locked */ + xmlTextWriterStartElement(writer, ISC_XMLCHAR "BlockSize"); + xmlTextWriterWriteFormatString(writer, "%" ISC_PRINT_QUADFORMAT "u", + summary.blocksize); + xmlTextWriterEndElement(writer); /* BlockSize */ - xmlTextWriterEndElement(writer); /* pool */ + xmlTextWriterStartElement(writer, ISC_XMLCHAR "ContextSize"); + xmlTextWriterWriteFormatString(writer, "%" ISC_PRINT_QUADFORMAT "u", + summary.contextsize); + xmlTextWriterEndElement(writer); /* ContextSize */ - pool = ISC_LIST_NEXT(pool, link); - } - xmlTextWriterEndElement(writer); /* pools */ + xmlTextWriterStartElement(writer, ISC_XMLCHAR "Lost"); + xmlTextWriterWriteFormatString(writer, "%" ISC_PRINT_QUADFORMAT "u", + lost); + xmlTextWriterEndElement(writer); /* Lost */ - MCTXUNLOCK(ctx, &ctx->lock); + xmlTextWriterEndElement(writer); /* summary */ } #endif /* HAVE_LIBXML2 */ diff --git a/lib/isc/print.c b/lib/isc/print.c index 26bf8e52..a64aaf53 100644 --- a/lib/isc/print.c +++ b/lib/isc/print.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: print.c,v 1.33 2007/06/19 23:47:17 tbox Exp $ */ +/* $Id: print.c,v 1.33.128.2 2008/02/18 23:46:30 tbox Exp $ */ /*! \file */ @@ -246,8 +246,24 @@ isc_print_vsnprintf(char *str, size_t size, const char *format, va_list ap) { head = ""; tmpui = tmpi; } - sprintf(buf, "%" ISC_PRINT_QUADFORMAT "u", - tmpui); + if (tmpui <= 0xffffffffU) + sprintf(buf, "%lu", + (unsigned long)tmpui); + else { + unsigned long mid; + unsigned long lo; + unsigned long hi; + lo = tmpui % 1000000000; + tmpui /= 1000000000; + mid = tmpui % 1000000000; + hi = tmpui / 1000000000; + if (hi != 0) + sprintf(buf, "%lu", hi); + else + buf[0] = '\n'; + sprintf(buf + strlen(buf), "%lu", mid); + sprintf(buf + strlen(buf), "%lu", lo); + } goto printint; case 'o': if (q) @@ -256,10 +272,29 @@ isc_print_vsnprintf(char *str, size_t size, const char *format, va_list ap) { tmpui = va_arg(ap, long int); else tmpui = va_arg(ap, int); - sprintf(buf, - alt ? "%#" ISC_PRINT_QUADFORMAT "o" - : "%" ISC_PRINT_QUADFORMAT "o", - tmpui); + if (tmpui <= 0xffffffffU) + sprintf(buf, alt ? "%#lo" : "%lo", + (unsigned long)tmpui); + else { + unsigned long mid; + unsigned long lo; + unsigned long hi; + lo = tmpui % 010000000000; + tmpui /= 010000000000; + mid = tmpui % 010000000000; + hi = tmpui / 010000000000; + if (hi != 0) { + sprintf(buf, + alt ? "%#lo" : "%lo", + hi); + sprintf(buf + strlen(buf), + "%lo", mid); + } else + sprintf(buf, + alt ? "%#lo" : "%lo", + mid); + sprintf(buf + strlen(buf), "%lo", lo); + } goto printint; case 'u': if (q) @@ -268,8 +303,24 @@ isc_print_vsnprintf(char *str, size_t size, const char *format, va_list ap) { tmpui = va_arg(ap, unsigned long int); else tmpui = va_arg(ap, unsigned int); - sprintf(buf, "%" ISC_PRINT_QUADFORMAT "u", - tmpui); + if (tmpui <= 0xffffffffU) + sprintf(buf, "%lu", + (unsigned long)tmpui); + else { + unsigned long mid; + unsigned long lo; + unsigned long hi; + lo = tmpui % 1000000000; + tmpui /= 1000000000; + mid = tmpui % 1000000000; + hi = tmpui / 1000000000; + if (hi != 0) + sprintf(buf, "%lu", hi); + else + buf[0] = '\n'; + sprintf(buf + strlen(buf), "%lu", mid); + sprintf(buf + strlen(buf), "%lu", lo); + } goto printint; case 'x': if (q) @@ -283,8 +334,15 @@ isc_print_vsnprintf(char *str, size_t size, const char *format, va_list ap) { if (precision > 2) precision -= 2; } - sprintf(buf, "%" ISC_PRINT_QUADFORMAT "x", - tmpui); + if (tmpui <= 0xffffffffU) + sprintf(buf, "%lx", + (unsigned long)tmpui); + else { + unsigned long hi = tmpui>>32; + unsigned long lo = tmpui & 0xffffffff; + sprintf(buf, "%lx", hi); + sprintf(buf + strlen(buf), "%lx", lo); + } goto printint; case 'X': if (q) @@ -298,8 +356,15 @@ isc_print_vsnprintf(char *str, size_t size, const char *format, va_list ap) { if (precision > 2) precision -= 2; } - sprintf(buf, "%" ISC_PRINT_QUADFORMAT "X", - tmpui); + if (tmpui <= 0xffffffffU) + sprintf(buf, "%lX", + (unsigned long)tmpui); + else { + unsigned long hi = tmpui>>32; + unsigned long lo = tmpui & 0xffffffff; + sprintf(buf, "%lX", hi); + sprintf(buf + strlen(buf), "%lX", lo); + } goto printint; printint: if (precision != 0 || width != 0) { diff --git a/lib/isc/pthreads/mutex.c b/lib/isc/pthreads/mutex.c index c437343e..794803b2 100644 --- a/lib/isc/pthreads/mutex.c +++ b/lib/isc/pthreads/mutex.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000-2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: mutex.c,v 1.14 2007/06/19 23:47:18 tbox Exp $ */ +/* $Id: mutex.c,v 1.14.128.2 2008/04/04 23:46:31 tbox Exp $ */ /*! \file */ @@ -36,23 +36,23 @@ /*% Operations on timevals; adapted from FreeBSD's sys/time.h */ #define timevalclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0) #define timevaladd(vvp, uvp) \ - do { \ - (vvp)->tv_sec += (uvp)->tv_sec; \ - (vvp)->tv_usec += (uvp)->tv_usec; \ - if ((vvp)->tv_usec >= 1000000) { \ - (vvp)->tv_sec++; \ - (vvp)->tv_usec -= 1000000; \ - } \ - } while (0) + do { \ + (vvp)->tv_sec += (uvp)->tv_sec; \ + (vvp)->tv_usec += (uvp)->tv_usec; \ + if ((vvp)->tv_usec >= 1000000) { \ + (vvp)->tv_sec++; \ + (vvp)->tv_usec -= 1000000; \ + } \ + } while (0) #define timevalsub(vvp, uvp) \ - do { \ - (vvp)->tv_sec -= (uvp)->tv_sec; \ - (vvp)->tv_usec -= (uvp)->tv_usec; \ - if ((vvp)->tv_usec < 0) { \ - (vvp)->tv_sec--; \ - (vvp)->tv_usec += 1000000; \ - } \ - } while (0) + do { \ + (vvp)->tv_sec -= (uvp)->tv_sec; \ + (vvp)->tv_usec -= (uvp)->tv_usec; \ + if ((vvp)->tv_usec < 0) { \ + (vvp)->tv_sec--; \ + (vvp)->tv_usec += 1000000; \ + } \ + } while (0) /*@}*/ @@ -77,8 +77,11 @@ struct isc_mutexstats { isc_mutexlocker_t lockers[ISC_MUTEX_MAX_LOCKERS]; }; -#define TABLESIZE (8 * 1024) -static isc_mutexstats_t stats[TABLESIZE]; +#ifndef ISC_MUTEX_PROFTABLESIZE +#define ISC_MUTEX_PROFTABLESIZE (16 * 1024) +#endif +static isc_mutexstats_t stats[ISC_MUTEX_PROFTABLESIZE]; +static int stats_next = 0; static isc_boolean_t stats_init = ISC_FALSE; static pthread_mutex_t statslock = PTHREAD_MUTEX_INITIALIZER; @@ -95,21 +98,19 @@ isc_mutex_init_profile(isc_mutex_t *mp, const char *file, int line) { RUNTIME_CHECK(pthread_mutex_lock(&statslock) == 0); - if (stats_init == ISC_FALSE) { - for (i = 0; i < TABLESIZE; i++) { - stats[i].file = NULL; - } + if (stats_init == ISC_FALSE) stats_init = ISC_TRUE; - } - mp->stats = NULL; - for (i = 0; i < TABLESIZE; i++) { - if (stats[i].file == NULL) { - mp->stats = &stats[i]; - break; - } - } - RUNTIME_CHECK(mp->stats != NULL); + /* + * If all statistics entries have been used, give up and trigger an + * assertion failure. There would be no other way to deal with this + * because we'd like to keep record of all locks for the purpose of + * debugging and the number of necessary locks is unpredictable. + * If this failure is triggered while debugging, named should be + * rebuilt with an increased ISC_MUTEX_PROFTABLESIZE. + */ + RUNTIME_CHECK(stats_next < ISC_MUTEX_PROFTABLESIZE); + mp->stats = &stats[stats_next++]; RUNTIME_CHECK(pthread_mutex_unlock(&statslock) == 0); @@ -196,10 +197,9 @@ void isc_mutex_statsprofile(FILE *fp) { isc_mutexlocker_t *locker; int i, j; + fprintf(fp, "Mutex stats (in us)\n"); - for (i = 0; i < TABLESIZE; i++) { - if (stats[i].file == NULL) - continue; + for (i = 0; i < stats_next; i++) { fprintf(fp, "%-12s %4d: %10u %lu.%06lu %lu.%06lu\n", stats[i].file, stats[i].line, stats[i].count, stats[i].locked_total.tv_sec, @@ -236,7 +236,7 @@ isc_mutex_init_errcheck(isc_mutex_t *mp) if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK) != 0) return (ISC_R_UNEXPECTED); - + err = pthread_mutex_init(mp, &attr) != 0) if (err == ENOMEM) return (ISC_R_NOMEMORY); @@ -251,6 +251,7 @@ pthread_mutexattr_t isc__mutex_attrs = { }; #endif +#if !(ISC_MUTEX_DEBUG && defined(PTHREAD_MUTEX_ERRORCHECK)) && !ISC_MUTEX_PROFILE isc_result_t isc__mutex_init(isc_mutex_t *mp, const char *file, unsigned int line) { char strbuf[ISC_STRERRORSIZE]; @@ -268,3 +269,4 @@ isc__mutex_init(isc_mutex_t *mp, const char *file, unsigned int line) { } return (result); } +#endif diff --git a/lib/isc/task.c b/lib/isc/task.c index e4b9b637..4b5a5a3c 100644 --- a/lib/isc/task.c +++ b/lib/isc/task.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1998-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: task.c,v 1.105 2007/06/18 23:47:44 tbox Exp $ */ +/* $Id: task.c,v 1.105.128.2 2008/03/27 23:46:28 tbox Exp $ */ /*! \file * \author Principal Author: Bob Halley @@ -44,8 +44,6 @@ #include "task_p.h" #endif /* ISC_PLATFORM_USETHREADS */ -#define ISC_TASK_NAMES 1 - #ifdef ISC_TASK_TRACE #define XTRACE(m) fprintf(stderr, "task %p thread %lu: %s\n", \ task, isc_thread_self(), (m)) @@ -90,10 +88,8 @@ struct isc_task { unsigned int quantum; unsigned int flags; isc_stdtime_t now; -#ifdef ISC_TASK_NAMES char name[16]; void * tag; -#endif /* Locked by task manager lock. */ LINK(isc_task_t) link; LINK(isc_task_t) ready_link; @@ -203,10 +199,8 @@ isc_task_create(isc_taskmgr_t *manager, unsigned int quantum, task->quantum = quantum; task->flags = 0; task->now = 0; -#ifdef ISC_TASK_NAMES memset(task->name, 0, sizeof(task->name)); task->tag = NULL; -#endif INIT_LINK(task, link); INIT_LINK(task, ready_link); @@ -701,17 +695,11 @@ isc_task_setname(isc_task_t *task, const char *name, void *tag) { REQUIRE(VALID_TASK(task)); -#ifdef ISC_TASK_NAMES LOCK(&task->lock); memset(task->name, 0, sizeof(task->name)); strncpy(task->name, name, sizeof(task->name) - 1); task->tag = tag; UNLOCK(&task->lock); -#else - UNUSED(name); - UNUSED(tag); -#endif - } const char * @@ -813,9 +801,9 @@ dispatch(isc_taskmgr_t *manager) { * task lock. */ while ((EMPTY(manager->ready_tasks) || - manager->exclusive_requested) && - !FINISHED(manager)) - { + manager->exclusive_requested) && + !FINISHED(manager)) + { XTHREADTRACE(isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL, ISC_MSG_WAIT, "wait")); @@ -1028,7 +1016,7 @@ manager_free(isc_taskmgr_t *manager) { isc_mem_t *mctx; #ifdef ISC_PLATFORM_USETHREADS - (void)isc_condition_destroy(&manager->exclusive_granted); + (void)isc_condition_destroy(&manager->exclusive_granted); (void)isc_condition_destroy(&manager->work_available); isc_mem_free(manager->mctx, manager->threads); #endif /* ISC_PLATFORM_USETHREADS */ @@ -1270,19 +1258,19 @@ isc__taskmgr_dispatch(void) { isc_result_t isc_task_beginexclusive(isc_task_t *task) { -#ifdef ISC_PLATFORM_USETHREADS +#ifdef ISC_PLATFORM_USETHREADS isc_taskmgr_t *manager = task->manager; REQUIRE(task->state == task_state_running); LOCK(&manager->lock); if (manager->exclusive_requested) { - UNLOCK(&manager->lock); + UNLOCK(&manager->lock); return (ISC_R_LOCKBUSY); } manager->exclusive_requested = ISC_TRUE; while (manager->tasks_running > 1) { WAIT(&manager->exclusive_granted, &manager->lock); } - UNLOCK(&manager->lock); + UNLOCK(&manager->lock); #else UNUSED(task); #endif @@ -1291,7 +1279,7 @@ isc_task_beginexclusive(isc_task_t *task) { void isc_task_endexclusive(isc_task_t *task) { -#ifdef ISC_PLATFORM_USETHREADS +#ifdef ISC_PLATFORM_USETHREADS isc_taskmgr_t *manager = task->manager; REQUIRE(task->state == task_state_running); LOCK(&manager->lock); diff --git a/lib/isc/unix/socket.c b/lib/isc/unix/socket.c index 01ef8a5b..aebd825f 100644 --- a/lib/isc/unix/socket.c +++ b/lib/isc/unix/socket.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: socket.c,v 1.275.10.3 2008/01/27 02:06:46 marka Exp $ */ +/* $Id: socket.c,v 1.275.10.4 2008/03/27 21:10:24 jinmei Exp $ */ /*! \file */ @@ -65,12 +65,6 @@ #include "socket_p.h" #endif /* ISC_PLATFORM_USETHREADS */ -/* - * Support names for sockets. - */ -#define ISC_SOCKET_NAMES 1 - - #if defined(SO_BSDCOMPAT) && defined(__linux__) #include <sys/utsname.h> #endif @@ -166,11 +160,8 @@ struct isc_socket { unsigned int references; int fd; int pf; - -#ifdef ISC_SOCKET_NAMES char name[16]; void * tag; -#endif ISC_LIST(isc_socketevent_t) send_list; ISC_LIST(isc_socketevent_t) recv_list; @@ -1696,10 +1687,8 @@ isc_socket_create(isc_socketmgr_t *manager, int pf, isc_sockettype_t type, } #endif /* defined(USE_CMSG) || defined(SO_RCVBUF) */ -#ifdef ISC_SOCKET_NAMES memset(sock->name, 0, sizeof(sock->name)); sock->tag = NULL; -#endif sock->references = 1; *socketp = sock; @@ -4048,17 +4037,11 @@ isc_socket_setname(isc_socket_t *socket, const char *name, void *tag) { REQUIRE(VALID_SOCKET(socket)); -#ifdef ISC_SOCKET_NAMES LOCK(&socket->lock); memset(socket->name, 0, sizeof(socket->name)); strncpy(socket->name, name, sizeof(socket->name) - 1); socket->tag = tag; UNLOCK(&socket->lock); -#else - UNUSED(name); - UNUSED(tag); -#endif - } const char * diff --git a/lib/isc/unix/time.c b/lib/isc/unix/time.c index 70fd2e18..2697d836 100644 --- a/lib/isc/unix/time.c +++ b/lib/isc/unix/time.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1998-2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: time.c,v 1.54 2007/06/18 23:47:48 tbox Exp $ */ +/* $Id: time.c,v 1.54.128.2 2008/02/18 23:46:30 tbox Exp $ */ /*! \file */ @@ -227,7 +227,7 @@ isc_time_nowplusinterval(isc_time_t *t, const isc_interval_t *i) { t->seconds = tv.tv_sec + i->seconds; t->nanoseconds = tv.tv_usec * NS_PER_US + i->nanoseconds; - if (t->nanoseconds > NS_PER_S) { + if (t->nanoseconds >= NS_PER_S) { t->seconds++; t->nanoseconds -= NS_PER_S; } @@ -410,7 +410,7 @@ isc_time_formattimestamp(const isc_time_t *t, char *buf, unsigned int len) { snprintf(buf + flen, len - flen, ".%03u", t->nanoseconds / 1000000); else - snprintf(buf, len, "99-Bad-9999 99:99:99.999"); + snprintf(buf, len, "99-Bad-9999 99:99:99.999"); } void diff --git a/lib/isc/win32/include/isc/platform.h b/lib/isc/win32/include/isc/platform.h index cababbf6..2354306c 100644 --- a/lib/isc/win32/include/isc/platform.h +++ b/lib/isc/win32/include/isc/platform.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: platform.h,v 1.14 2007/06/19 23:47:20 tbox Exp $ */ +/* $Id: platform.h,v 1.14.128.2 2008/04/02 23:46:28 tbox Exp $ */ #ifndef ISC_PLATFORM_H #define ISC_PLATFORM_H 1 @@ -34,6 +34,7 @@ #if _MSC_VER > 1200 #define ISC_PLATFORM_HAVEIN6PKTINFO #endif +#define ISC_PLATFORM_HAVESCOPEID #define ISC_PLATFORM_NEEDPORTT #undef MSG_TRUNC #define ISC_PLATFORM_NEEDNTOP @@ -44,6 +45,8 @@ #define ISC_PLATFORM_NEEDSTRSEP #define ISC_PLATFORM_NEEDSTRLCPY +#define ISC_PLATFORM_NEEDSTRLCAT +#define ISC_PLATFORM_NEEDSTRLCPY /* * Used to control how extern data is linked; needed for Win32 platforms. @@ -68,19 +71,19 @@ #ifdef LIBISC_EXPORTS #define LIBISC_EXTERNAL_DATA __declspec(dllexport) #else -#define LIBISC_EXTERNAL_DATA __declspec(dllimport) +#define LIBISC_EXTERNAL_DATA __declspec(dllimport) #endif #ifdef LIBISCCFG_EXPORTS #define LIBISCCFG_EXTERNAL_DATA __declspec(dllexport) #else -#define LIBISCCFG_EXTERNAL_DATA __declspec(dllimport) +#define LIBISCCFG_EXTERNAL_DATA __declspec(dllimport) #endif #ifdef LIBISCCC_EXPORTS #define LIBISCCC_EXTERNAL_DATA __declspec(dllexport) #else -#define LIBISCCC_EXTERNAL_DATA __declspec(dllimport) +#define LIBISCCC_EXTERNAL_DATA __declspec(dllimport) #endif #ifdef LIBDNS_EXPORTS diff --git a/lib/isc/win32/interfaceiter.c b/lib/isc/win32/interfaceiter.c index d2505beb..ed74f6c9 100644 --- a/lib/isc/win32/interfaceiter.c +++ b/lib/isc/win32/interfaceiter.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: interfaceiter.c,v 1.10 2007/06/18 23:47:49 tbox Exp $ */ +/* $Id: interfaceiter.c,v 1.10.128.3 2008/04/18 19:47:26 each Exp $ */ /* * Note that this code will need to be revisited to support IPv6 Interfaces. @@ -62,11 +62,13 @@ struct isc_interfaceiter { int socket; INTERFACE_INFO IFData; /* Current Interface Info */ int numIF; /* Current Interface count */ - int totalIF; /* Total Number - of Interfaces */ - INTERFACE_INFO *buf; /* Buffer for WSAIoctl data. */ - unsigned int bufsize; /* Bytes allocated. */ - INTERFACE_INFO *pos; /* Current offset in IF List */ + int v4IF; /* Number of IPv4 Interfaces */ + INTERFACE_INFO *buf4; /* Buffer for WSAIoctl data. */ + unsigned int buf4size; /* Bytes allocated. */ + INTERFACE_INFO *pos4; /* Current offset in IF List */ + SOCKET_ADDRESS_LIST *buf6; + unsigned int buf6size; /* Bytes allocated. */ + unsigned int pos6; isc_interface_t current; /* Current interface data. */ isc_result_t result; /* Last result code. */ }; @@ -94,6 +96,7 @@ get_addr(unsigned int family, isc_netaddr_t *dst, struct sockaddr *src) { memcpy(&dst->type.in6, &((struct sockaddr_in6 *) src)->sin6_addr, sizeof(struct in6_addr)); + dst->zone = ((struct sockaddr_in6 *) src)->sin6_scope_id; break; default: INSIST(0); @@ -103,7 +106,7 @@ get_addr(unsigned int family, isc_netaddr_t *dst, struct sockaddr *src) { isc_result_t isc_interfaceiter_create(isc_mem_t *mctx, isc_interfaceiter_t **iterp) { - char strbuf[ISC_STRERRORSIZE]; + char strbuf[ISC_STRERRORSIZE]; isc_interfaceiter_t *iter; isc_result_t result; int error; @@ -120,7 +123,15 @@ isc_interfaceiter_create(isc_mem_t *mctx, isc_interfaceiter_t **iterp) { InitSockets(); iter->mctx = mctx; - iter->buf = NULL; + iter->buf4 = NULL; + iter->buf6 = NULL; + iter->pos4 = NULL; + iter->pos6 = 0; + iter->buf6size = 0; + iter->buf4size = 0; + iter->result = ISC_R_FAILURE; + iter->numIF = 0; + iter->v4IF = 0; /* * Create an unbound datagram socket to do the @@ -128,6 +139,8 @@ isc_interfaceiter_create(isc_mem_t *mctx, isc_interfaceiter_t **iterp) { */ if ((iter->socket = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { error = WSAGetLastError(); + if (error == WSAEAFNOSUPPORT) + goto inet6_only; isc__strerror(error, strbuf, sizeof(strbuf)); UNEXPECTED_ERROR(__FILE__, __LINE__, "making interface scan socket: %s", @@ -140,17 +153,17 @@ isc_interfaceiter_create(isc_mem_t *mctx, isc_interfaceiter_t **iterp) { * Get the interface configuration, allocating more memory if * necessary. */ - iter->bufsize = IFCONF_SIZE_INITIAL*sizeof(INTERFACE_INFO); + iter->buf4size = IFCONF_SIZE_INITIAL*sizeof(INTERFACE_INFO); for (;;) { - iter->buf = isc_mem_get(mctx, iter->bufsize); - if (iter->buf == NULL) { + iter->buf4 = isc_mem_get(mctx, iter->buf4size); + if (iter->buf4 == NULL) { result = ISC_R_NOMEMORY; goto alloc_failure; } if (WSAIoctl(iter->socket, SIO_GET_INTERFACE_LIST, - 0, 0, iter->buf, iter->bufsize, + 0, 0, iter->buf4, iter->buf4size, &bytesReturned, 0, 0) == SOCKET_ERROR) { error = WSAGetLastError(); @@ -174,19 +187,19 @@ isc_interfaceiter_create(isc_mem_t *mctx, isc_interfaceiter_t **iterp) { * case and retry. */ if (bytesReturned > 0 && - (bytesReturned < iter->bufsize)) + (bytesReturned < iter->buf4size)) break; } - if (iter->bufsize >= IFCONF_SIZE_MAX*sizeof(INTERFACE_INFO)) { + if (iter->buf4size >= IFCONF_SIZE_MAX*sizeof(INTERFACE_INFO)) { UNEXPECTED_ERROR(__FILE__, __LINE__, "get interface configuration: " "maximum buffer size exceeded"); result = ISC_R_UNEXPECTED; goto ioctl_failure; } - isc_mem_put(mctx, iter->buf, iter->bufsize); + isc_mem_put(mctx, iter->buf4, iter->buf4size); - iter->bufsize += IFCONF_SIZE_INCREMENT * + iter->buf4size += IFCONF_SIZE_INCREMENT * sizeof(INTERFACE_INFO); } @@ -194,23 +207,92 @@ isc_interfaceiter_create(isc_mem_t *mctx, isc_interfaceiter_t **iterp) { * A newly created iterator has an undefined position * until isc_interfaceiter_first() is called. */ - iter->pos = NULL; - iter->result = ISC_R_FAILURE; - iter->numIF = 0; - iter->totalIF = bytesReturned/sizeof(INTERFACE_INFO); + iter->v4IF = bytesReturned/sizeof(INTERFACE_INFO); + + /* We don't need the socket any more, so close it */ + closesocket(iter->socket); + inet6_only: + /* + * Create an unbound datagram socket to do the + * SIO_ADDRESS_LIST_QUERY WSAIoctl on. + */ + if ((iter->socket = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { + error = WSAGetLastError(); + if (error == WSAEAFNOSUPPORT) + goto inet_only; + isc__strerror(error, strbuf, sizeof(strbuf)); + UNEXPECTED_ERROR(__FILE__, __LINE__, + "making interface scan socket: %s", + strbuf); + result = ISC_R_UNEXPECTED; + goto ioctl_failure; + } + + /* + * Get the interface configuration, allocating more memory if + * necessary. + */ + iter->buf6size = sizeof(SOCKET_ADDRESS_LIST) + + IFCONF_SIZE_INITIAL*sizeof(SOCKET_ADDRESS); + + for (;;) { + iter->buf6 = isc_mem_get(mctx, iter->buf6size); + if (iter->buf6 == NULL) { + result = ISC_R_NOMEMORY; + goto ioctl_failure; + } + + if (WSAIoctl(iter->socket, SIO_ADDRESS_LIST_QUERY, + 0, 0, iter->buf6, iter->buf6size, + &bytesReturned, 0, 0) == SOCKET_ERROR) + { + error = WSAGetLastError(); + if (error != WSAEFAULT && error != WSAENOBUFS) { + errno = error; + isc__strerror(error, strbuf, sizeof(strbuf)); + UNEXPECTED_ERROR(__FILE__, __LINE__, + "sio address list query: %s", + strbuf); + result = ISC_R_UNEXPECTED; + goto ioctl6_failure; + } + /* + * EINVAL. Retry with a bigger buffer. + */ + } else + break; + + if (iter->buf6size >= IFCONF_SIZE_MAX*sizeof(SOCKET_ADDRESS)) { + UNEXPECTED_ERROR(__FILE__, __LINE__, + "get interface configuration: " + "maximum buffer size exceeded"); + result = ISC_R_UNEXPECTED; + goto ioctl6_failure; + } + isc_mem_put(mctx, iter->buf6, iter->buf6size); + + iter->buf6size += IFCONF_SIZE_INCREMENT * + sizeof(SOCKET_ADDRESS); + } + closesocket(iter->socket); + + inet_only: iter->magic = IFITER_MAGIC; *iterp = iter; - /* We don't need the socket any more, so close it */ - closesocket(iter->socket); return (ISC_R_SUCCESS); + ioctl6_failure: + isc_mem_put(mctx, iter->buf6, iter->buf6size); + ioctl_failure: - isc_mem_put(mctx, iter->buf, iter->bufsize); + if (iter->buf4 != NULL) + isc_mem_put(mctx, iter->buf4, iter->buf4size); alloc_failure: - (void) closesocket(iter->socket); + if (iter->socket >= 0) + (void) closesocket(iter->socket); socket_failure: isc_mem_put(mctx, iter, sizeof(*iter)); @@ -226,7 +308,7 @@ isc_interfaceiter_create(isc_mem_t *mctx, isc_interfaceiter_t **iterp) { */ static isc_result_t -internal_current(isc_interfaceiter_t *iter, int family) { +internal_current(isc_interfaceiter_t *iter) { BOOL ifNamed = FALSE; unsigned long flags; @@ -234,9 +316,9 @@ internal_current(isc_interfaceiter_t *iter, int family) { REQUIRE(iter->numIF >= 0); memset(&iter->current, 0, sizeof(iter->current)); - iter->current.af = family; + iter->current.af = AF_INET; - get_addr(family, &iter->current.address, + get_addr(AF_INET, &iter->current.address, (struct sockaddr *)&(iter->IFData.iiAddress)); /* @@ -266,7 +348,7 @@ internal_current(isc_interfaceiter_t *iter, int family) { * If the interface is point-to-point, get the destination address. */ if ((iter->current.flags & INTERFACE_F_POINTTOPOINT) != 0) { - get_addr(family, &iter->current.dstaddress, + get_addr(AF_INET, &iter->current.dstaddress, (struct sockaddr *)&(iter->IFData.iiBroadcastAddress)); } @@ -277,15 +359,40 @@ internal_current(isc_interfaceiter_t *iter, int family) { /* * Get the network mask. */ - switch (family) { - case AF_INET: - get_addr(family, &iter->current.netmask, - (struct sockaddr *)&(iter->IFData.iiNetmask)); - break; - case AF_INET6: - break; - } + get_addr(AF_INET, &iter->current.netmask, + (struct sockaddr *)&(iter->IFData.iiNetmask)); + + return (ISC_R_SUCCESS); +} + +static isc_result_t +internal_current6(isc_interfaceiter_t *iter) { + BOOL ifNamed = FALSE; + int i; + + REQUIRE(VALID_IFITER(iter)); + REQUIRE(iter->pos6 >= 0); + REQUIRE(iter->buf6 != 0); + + memset(&iter->current, 0, sizeof(iter->current)); + iter->current.af = AF_INET6; + + get_addr(AF_INET6, &iter->current.address, + iter->buf6->Address[iter->pos6].lpSockaddr); + + /* + * Get interface flags. + */ + + iter->current.flags = INTERFACE_F_UP; + + if (ifNamed == FALSE) + sprintf(iter->current.name, + "TCP/IPv6 Interface %d", iter->pos6 + 1); + for (i = 0; i< 16; i++) + iter->current.netmask.type.in6.s6_addr[i] = 0xff; + iter->current.netmask.family = AF_INET6; return (ISC_R_SUCCESS); } @@ -298,7 +405,7 @@ internal_current(isc_interfaceiter_t *iter, int family) { */ static isc_result_t internal_next(isc_interfaceiter_t *iter) { - if (iter->numIF >= iter->totalIF) + if (iter->numIF >= iter->v4IF) return (ISC_R_NOMORE); /* @@ -307,21 +414,29 @@ internal_next(isc_interfaceiter_t *iter) { * Microsoft's implementation is peculiar for returning * the list in reverse order */ - + if (iter->numIF == 0) - iter->pos = (INTERFACE_INFO *)(iter->buf + (iter->totalIF)); + iter->pos4 = (INTERFACE_INFO *)(iter->buf4 + (iter->v4IF)); - iter->pos--; - if (&(iter->pos) < &(iter->buf)) + iter->pos4--; + if (&(iter->pos4) < &(iter->buf4)) return (ISC_R_NOMORE); memset(&(iter->IFData), 0, sizeof(INTERFACE_INFO)); - memcpy(&(iter->IFData), iter->pos, sizeof(INTERFACE_INFO)); + memcpy(&(iter->IFData), iter->pos4, sizeof(INTERFACE_INFO)); iter->numIF++; return (ISC_R_SUCCESS); } +static isc_result_t +internal_next6(isc_interfaceiter_t *iter) { + if (iter->pos6 == 0) + return (ISC_R_NOMORE); + iter->pos6--; + return (ISC_R_SUCCESS); +} + isc_result_t isc_interfaceiter_current(isc_interfaceiter_t *iter, isc_interface_t *ifdata) { @@ -332,21 +447,13 @@ isc_interfaceiter_current(isc_interfaceiter_t *iter, isc_result_t isc_interfaceiter_first(isc_interfaceiter_t *iter) { - isc_result_t result; REQUIRE(VALID_IFITER(iter)); - iter->numIF = 0; - for (;;) { - result = internal_next(iter); - if (result != ISC_R_SUCCESS) - break; - result = internal_current(iter, AF_INET); - if (result != ISC_R_IGNORE) - break; - } - iter->result = result; - return (result); + if (iter->buf6 != NULL) + iter->pos6 = iter->buf6->iAddressCount; + iter->result = ISC_R_SUCCESS; + return (isc_interfaceiter_next(iter)); } isc_result_t @@ -358,9 +465,16 @@ isc_interfaceiter_next(isc_interfaceiter_t *iter) { for (;;) { result = internal_next(iter); - if (result != ISC_R_SUCCESS) + if (result == ISC_R_NOMORE) { + result = internal_next6(iter); + if (result != ISC_R_SUCCESS) + break; + result = internal_current6(iter); + if (result != ISC_R_IGNORE) + break; + } else if (result != ISC_R_SUCCESS) break; - result = internal_current(iter,AF_INET); + result = internal_current(iter); if (result != ISC_R_IGNORE) break; } @@ -375,10 +489,12 @@ isc_interfaceiter_destroy(isc_interfaceiter_t **iterp) { iter = *iterp; REQUIRE(VALID_IFITER(iter)); - isc_mem_put(iter->mctx, iter->buf, iter->bufsize); + if (iter->buf4 != NULL) + isc_mem_put(iter->mctx, iter->buf4, iter->buf4size); + if (iter->buf6 != NULL) + isc_mem_put(iter->mctx, iter->buf6, iter->buf6size); iter->magic = 0; isc_mem_put(iter->mctx, iter, sizeof(*iter)); *iterp = NULL; } - diff --git a/lib/isc/win32/libisc.def b/lib/isc/win32/libisc.def index 22822051..dda07ebf 100644 --- a/lib/isc/win32/libisc.def +++ b/lib/isc/win32/libisc.def @@ -247,13 +247,17 @@ isc_mem_createx isc_mem_createx2 isc_mem_destroy isc_mem_detach +isc_mem_getname isc_mem_getquota +isc_mem_gettag isc_mem_inuse isc_mem_ondestroy isc_mem_setdestroycheck +isc_mem_setname isc_mem_setquota isc_mem_setwater isc_mem_stats +isc_mem_waterack isc_mempool_associatelock isc_mempool_create isc_mempool_destroy diff --git a/lib/isc/win32/net.c b/lib/isc/win32/net.c index df561a07..37246882 100644 --- a/lib/isc/win32/net.c +++ b/lib/isc/win32/net.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: net.c,v 1.14 2007/06/18 23:47:49 tbox Exp $ */ +/* $Id: net.c,v 1.14.128.2 2008/04/02 23:46:28 tbox Exp $ */ #include <config.h> @@ -51,7 +51,7 @@ try_proto(int domain) { char strbuf[ISC_STRERRORSIZE]; int errval; - s = socket(domain, SOCK_STREAM, 0); + s = socket(domain, SOCK_STREAM, IPPROTO_TCP); if (s == INVALID_SOCKET) { errval = WSAGetLastError(); switch (errval) { @@ -72,53 +72,9 @@ try_proto(int domain) { } } -#ifdef ISC_PLATFORM_HAVEIPV6 -#ifdef WANT_IPV6 -#ifdef ISC_PLATFORM_HAVEIN6PKTINFO - if (domain == PF_INET6) { - struct sockaddr_in6 sin6; - unsigned int len; - - /* - * Check to see if IPv6 is broken, as is common on Linux. - */ - len = sizeof(sin6); - if (getsockname(s, (struct sockaddr *)&sin6, (void *)&len) < 0) - { - isc_log_write(isc_lctx, ISC_LOGCATEGORY_GENERAL, - ISC_LOGMODULE_SOCKET, ISC_LOG_ERROR, - "retrieving the address of an IPv6 " - "socket from the kernel failed."); - isc_log_write(isc_lctx, ISC_LOGCATEGORY_GENERAL, - ISC_LOGMODULE_SOCKET, ISC_LOG_ERROR, - "IPv6 support is disabled."); - result = ISC_R_NOTFOUND; - } else { - if (len == sizeof(struct sockaddr_in6)) - result = ISC_R_SUCCESS; - else { - isc_log_write(isc_lctx, - ISC_LOGCATEGORY_GENERAL, - ISC_LOGMODULE_SOCKET, - ISC_LOG_ERROR, - "IPv6 structures in kernel and " - "user space do not match."); - isc_log_write(isc_lctx, - ISC_LOGCATEGORY_GENERAL, - ISC_LOGMODULE_SOCKET, - ISC_LOG_ERROR, - "IPv6 support is disabled."); - result = ISC_R_NOTFOUND; - } - } - } -#endif -#endif -#endif - closesocket(s); - return (result); + return (ISC_R_SUCCESS); } static void @@ -198,7 +154,7 @@ try_ipv6only(void) { goto close; } - close(s); + closesocket(s); /* check for UDP sockets */ s = socket(PF_INET6, SOCK_DGRAM, 0); @@ -221,12 +177,10 @@ try_ipv6only(void) { goto close; } - close(s); - ipv6only_result = ISC_R_SUCCESS; close: - close(s); + closeocket(s); return; #endif /* IPV6_V6ONLY */ } @@ -252,7 +206,7 @@ try_ipv6pktinfo(void) { /* we only use this for UDP sockets */ s = socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP); - if (s == -1) { + if (s == INVALID_SOCKET) { isc__strerror(errno, strbuf, sizeof(strbuf)); UNEXPECTED_ERROR(__FILE__, __LINE__, "socket() %s: %s", @@ -276,11 +230,10 @@ try_ipv6pktinfo(void) { goto close; } - close(s); ipv6pktinfo_result = ISC_R_SUCCESS; close: - close(s); + closesocket(s); return; } diff --git a/lib/isc/win32/socket.c b/lib/isc/win32/socket.c index 5a4d6743..d80d593d 100644 --- a/lib/isc/win32/socket.c +++ b/lib/isc/win32/socket.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: socket.c,v 1.52 2007/08/28 00:39:15 marka Exp $ */ +/* $Id: socket.c,v 1.52.94.2 2008/03/27 23:46:28 tbox Exp $ */ /* This code has been rewritten to take advantage of Windows Sockets * I/O Completion Ports and Events. I/O Completion Ports is ONLY @@ -92,8 +92,6 @@ #include "errno2result.h" -#define ISC_SOCKET_NAMES 1 - /* * Define this macro to control the behavior of connection * resets on UDP sockets. See Microsoft KnowledgeBase Article Q263823 @@ -186,16 +184,16 @@ typedef isc_event_t intev_t; struct msghdr { - void *msg_name; /* optional address */ - u_int msg_namelen; /* size of address */ - WSABUF *msg_iov; /* scatter/gather array */ - u_int msg_iovlen; /* # elements in msg_iov */ - void *msg_control; /* ancillary data, see below */ - u_int msg_controllen; /* ancillary data buffer len */ - int msg_flags; /* flags on received message */ + void *msg_name; /* optional address */ + u_int msg_namelen; /* size of address */ + WSABUF *msg_iov; /* scatter/gather array */ + u_int msg_iovlen; /* # elements in msg_iov */ + void *msg_control; /* ancillary data, see below */ + u_int msg_controllen; /* ancillary data buffer len */ + int msg_flags; /* flags on received message */ int msg_totallen; /* total length of this message */ } msghdr; - + /*% * The size to raise the recieve buffer to. */ @@ -226,11 +224,8 @@ struct isc_socket { unsigned int references; SOCKET fd; int pf; - -#ifdef ISC_SOCKET_NAMES char name[16]; void * tag; -#endif ISC_LIST(isc_socketevent_t) send_list; ISC_LIST(isc_socketevent_t) recv_list; @@ -510,7 +505,7 @@ iocompletionport_init(isc_socketmgr_t *manager) { /* * Worker threads for servicing the I/O - */ + */ iocompletionport_createthreads(manager->maxIOCPThreads, manager); } @@ -665,7 +660,7 @@ socket_eventlist_add(event_change_t *evchange, sock_event_list *evlist, */ isc_boolean_t socket_eventlist_delete(event_change_t *evchange, sock_event_list *evlist, - isc_socketmgr_t *manager) + isc_socketmgr_t *manager) { int i; WSAEVENT hEvent; @@ -948,7 +943,7 @@ initialise(void) { void InitSockets(void) { RUNTIME_CHECK(isc_once_do(&initialise_once, - initialise) == ISC_R_SUCCESS); + initialise) == ISC_R_SUCCESS); if (!initialised) exit(1); } @@ -3865,17 +3860,11 @@ isc_socket_setname(isc_socket_t *socket, const char *name, void *tag) { REQUIRE(VALID_SOCKET(socket)); -#ifdef ISC_SOCKET_NAMES LOCK(&socket->lock); memset(socket->name, 0, sizeof(socket->name)); strncpy(socket->name, name, sizeof(socket->name) - 1); socket->tag = tag; UNLOCK(&socket->lock); -#else - UNUSED(name); - UNUSED(tag); -#endif - } const char * diff --git a/lib/isccfg/api b/lib/isccfg/api index e1227550..f57ff8a1 100644 --- a/lib/isccfg/api +++ b/lib/isccfg/api @@ -1,3 +1,3 @@ LIBINTERFACE = 40 -LIBREVISION = 1 +LIBREVISION = 2 LIBAGE = 0 diff --git a/lib/isccfg/namedconf.c b/lib/isccfg/namedconf.c index 4ecc6c81..16317f29 100644 --- a/lib/isccfg/namedconf.c +++ b/lib/isccfg/namedconf.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: namedconf.c,v 1.78.46.4 2008/01/22 00:31:00 jinmei Exp $ */ +/* $Id: namedconf.c,v 1.78.46.6 2008/04/03 02:12:22 marka Exp $ */ /*! \file */ @@ -733,67 +733,68 @@ static cfg_type_t cfg_type_lookaside = { static cfg_clausedef_t view_clauses[] = { + { "acache-cleaning-interval", &cfg_type_uint32, 0 }, + { "acache-enable", &cfg_type_boolean, 0 }, + { "additional-from-auth", &cfg_type_boolean, 0 }, + { "additional-from-cache", &cfg_type_boolean, 0 }, { "allow-query-cache", &cfg_type_bracketed_aml, 0 }, { "allow-query-cache-on", &cfg_type_bracketed_aml, 0 }, { "allow-recursion", &cfg_type_bracketed_aml, 0 }, { "allow-recursion-on", &cfg_type_bracketed_aml, 0 }, { "allow-v6-synthesis", &cfg_type_bracketed_aml, CFG_CLAUSEFLAG_OBSOLETE }, - { "sortlist", &cfg_type_bracketed_aml, 0 }, - { "topology", &cfg_type_bracketed_aml, CFG_CLAUSEFLAG_NOTIMP }, { "auth-nxdomain", &cfg_type_boolean, CFG_CLAUSEFLAG_NEWDEFAULT }, - { "minimal-responses", &cfg_type_boolean, 0 }, - { "recursion", &cfg_type_boolean, 0 }, - { "rrset-order", &cfg_type_rrsetorder, 0 }, - { "provide-ixfr", &cfg_type_boolean, 0 }, - { "request-ixfr", &cfg_type_boolean, 0 }, - { "fetch-glue", &cfg_type_boolean, CFG_CLAUSEFLAG_OBSOLETE }, - { "rfc2308-type1", &cfg_type_boolean, CFG_CLAUSEFLAG_NYI }, - { "additional-from-auth", &cfg_type_boolean, 0 }, - { "additional-from-cache", &cfg_type_boolean, 0 }, - /* - * Note that the query-source option syntax is different - * from the other -source options. - */ - { "query-source", &cfg_type_querysource4, 0 }, - { "query-source-v6", &cfg_type_querysource6, 0 }, - { "cleaning-interval", &cfg_type_uint32, 0 }, - { "min-roots", &cfg_type_uint32, CFG_CLAUSEFLAG_NOTIMP }, - { "lame-ttl", &cfg_type_uint32, 0 }, - { "max-ncache-ttl", &cfg_type_uint32, 0 }, - { "max-cache-ttl", &cfg_type_uint32, 0 }, - { "transfer-format", &cfg_type_transferformat, 0 }, - { "max-cache-size", &cfg_type_size, 0 }, - { "check-names", &cfg_type_checknames, CFG_CLAUSEFLAG_MULTI }, { "cache-file", &cfg_type_qstring, 0 }, - { "suppress-initial-notify", &cfg_type_boolean, CFG_CLAUSEFLAG_NYI }, - { "preferred-glue", &cfg_type_astring, 0 }, - { "dual-stack-servers", &cfg_type_nameportiplist, 0 }, - { "edns-udp-size", &cfg_type_uint32, 0 }, - { "max-udp-size", &cfg_type_uint32, 0 }, - { "root-delegation-only", &cfg_type_optional_exclude, 0 }, + { "check-names", &cfg_type_checknames, CFG_CLAUSEFLAG_MULTI }, + { "cleaning-interval", &cfg_type_uint32, 0 }, + { "clients-per-query", &cfg_type_uint32, 0 }, { "disable-algorithms", &cfg_type_disablealgorithm, CFG_CLAUSEFLAG_MULTI }, + { "disable-empty-zone", &cfg_type_astring, CFG_CLAUSEFLAG_MULTI }, + { "dnssec-accept-expired", &cfg_type_boolean, 0 }, { "dnssec-enable", &cfg_type_boolean, 0 }, - { "dnssec-validation", &cfg_type_boolean, 0 }, { "dnssec-lookaside", &cfg_type_lookaside, CFG_CLAUSEFLAG_MULTI }, { "dnssec-must-be-secure", &cfg_type_mustbesecure, - CFG_CLAUSEFLAG_MULTI }, - { "dnssec-accept-expired", &cfg_type_boolean, 0 }, + CFG_CLAUSEFLAG_MULTI }, + { "dnssec-validation", &cfg_type_boolean, 0 }, + { "dual-stack-servers", &cfg_type_nameportiplist, 0 }, + { "edns-udp-size", &cfg_type_uint32, 0 }, + { "empty-contact", &cfg_type_astring, 0 }, + { "empty-server", &cfg_type_astring, 0 }, + { "empty-zones-enable", &cfg_type_boolean, 0 }, + { "fetch-glue", &cfg_type_boolean, CFG_CLAUSEFLAG_OBSOLETE }, { "ixfr-from-differences", &cfg_type_ixfrdifftype, 0 }, - { "acache-enable", &cfg_type_boolean, 0 }, - { "acache-cleaning-interval", &cfg_type_uint32, 0 }, + { "lame-ttl", &cfg_type_uint32, 0 }, { "max-acache-size", &cfg_type_sizenodefault, 0 }, - { "clients-per-query", &cfg_type_uint32, 0 }, + { "max-cache-size", &cfg_type_size, 0 }, + { "max-cache-ttl", &cfg_type_uint32, 0 }, { "max-clients-per-query", &cfg_type_uint32, 0 }, - { "empty-server", &cfg_type_astring, 0 }, - { "empty-contact", &cfg_type_astring, 0 }, - { "empty-zones-enable", &cfg_type_boolean, 0 }, - { "disable-empty-zone", &cfg_type_astring, CFG_CLAUSEFLAG_MULTI }, - { "zero-no-soa-ttl-cache", &cfg_type_boolean, 0 }, - { "use-queryport-pool", &cfg_type_boolean, 0 }, + { "max-ncache-ttl", &cfg_type_uint32, 0 }, + { "max-udp-size", &cfg_type_uint32, 0 }, + { "min-roots", &cfg_type_uint32, CFG_CLAUSEFLAG_NOTIMP }, + { "minimal-responses", &cfg_type_boolean, 0 }, + { "preferred-glue", &cfg_type_astring, 0 }, + { "provide-ixfr", &cfg_type_boolean, 0 }, + /* + * Note that the query-source option syntax is different + * from the other -source options. + */ + { "query-source", &cfg_type_querysource4, 0 }, + { "query-source-v6", &cfg_type_querysource6, 0 }, { "queryport-pool-ports", &cfg_type_uint32, 0 }, { "queryport-pool-updateinterval", &cfg_type_uint32, 0 }, + { "recursion", &cfg_type_boolean, 0 }, + { "request-ixfr", &cfg_type_boolean, 0 }, + { "request-nsid", &cfg_type_boolean, 0 }, + { "rfc2308-type1", &cfg_type_boolean, CFG_CLAUSEFLAG_NYI }, + { "root-delegation-only", &cfg_type_optional_exclude, 0 }, + { "rrset-order", &cfg_type_rrsetorder, 0 }, + { "sortlist", &cfg_type_bracketed_aml, 0 }, + { "suppress-initial-notify", &cfg_type_boolean, CFG_CLAUSEFLAG_NYI }, + { "topology", &cfg_type_bracketed_aml, CFG_CLAUSEFLAG_NOTIMP }, + { "transfer-format", &cfg_type_transferformat, 0 }, + { "use-queryport-pool", &cfg_type_boolean, 0 }, + { "zero-no-soa-ttl-cache", &cfg_type_boolean, 0 }, { NULL, NULL, 0 } }; @@ -1760,6 +1761,7 @@ static isc_result_t parse_logversions(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret) { return (parse_enum_or_other(pctx, type, &cfg_type_uint32, ret)); } + static cfg_type_t cfg_type_logversions = { "logversions", parse_logversions, cfg_print_ustring, cfg_doc_terminal, &cfg_rep_string, logversions_enums @@ -1833,8 +1835,19 @@ print_logfile(cfg_printer_t *pctx, const cfg_obj_t *obj) { } } + +static void +doc_logfile(cfg_printer_t *pctx, const cfg_type_t *type) { + UNUSED(type); + cfg_print_cstr(pctx, "<quoted_string>"); + cfg_print_chars(pctx, " ", 1); + cfg_print_cstr(pctx, "[ versions ( \"unlimited\" | <integer> ) ]"); + cfg_print_chars(pctx, " ", 1); + cfg_print_cstr(pctx, "[ size <size> ]"); +} + static cfg_type_t cfg_type_logfile = { - "log_file", parse_logfile, print_logfile, cfg_doc_terminal, + "log_file", parse_logfile, print_logfile, doc_logfile, &cfg_rep_tuple, logfile_fields }; @@ -1865,8 +1878,8 @@ static cfg_type_t cfg_type_lwres_view = { }; static cfg_type_t cfg_type_lwres_searchlist = { - "lwres_searchlist", cfg_parse_bracketed_list, cfg_print_bracketed_list, cfg_doc_bracketed_list, - &cfg_rep_list, &cfg_type_astring }; + "lwres_searchlist", cfg_parse_bracketed_list, cfg_print_bracketed_list, + cfg_doc_bracketed_list, &cfg_rep_list, &cfg_type_astring }; static cfg_clausedef_t lwres_clauses[] = { @@ -1985,15 +1998,15 @@ doc_sockaddrnameport(cfg_printer_t *pctx, const cfg_type_t *type) { cfg_print_chars(pctx, "( ", 2); cfg_print_cstr(pctx, "<quoted_string>"); cfg_print_chars(pctx, " ", 1); - cfg_print_cstr(pctx, "[port <integer>]"); + cfg_print_cstr(pctx, "[ port <integer> ]"); cfg_print_chars(pctx, " | ", 3); cfg_print_cstr(pctx, "<ipv4_address>"); cfg_print_chars(pctx, " ", 1); - cfg_print_cstr(pctx, "[port <integer>]"); + cfg_print_cstr(pctx, "[ port <integer> ]"); cfg_print_chars(pctx, " | ", 3); cfg_print_cstr(pctx, "<ipv6_address>"); cfg_print_chars(pctx, " ", 1); - cfg_print_cstr(pctx, "[port <integer>]"); + cfg_print_cstr(pctx, "[ port <integer> ]"); cfg_print_chars(pctx, " )", 2); } @@ -2071,11 +2084,11 @@ doc_masterselement(cfg_printer_t *pctx, const cfg_type_t *type) { cfg_print_chars(pctx, " | ", 3); cfg_print_cstr(pctx, "<ipv4_address>"); cfg_print_chars(pctx, " ", 1); - cfg_print_cstr(pctx, "[port <integer>]"); + cfg_print_cstr(pctx, "[ port <integer> ]"); cfg_print_chars(pctx, " | ", 3); cfg_print_cstr(pctx, "<ipv6_address>"); cfg_print_chars(pctx, " ", 1); - cfg_print_cstr(pctx, "[port <integer>]"); + cfg_print_cstr(pctx, "[ port <integer> ]"); cfg_print_chars(pctx, " )", 2); } diff --git a/make/rules.in b/make/rules.in index 01f391af..6ffea9b3 100644 --- a/make/rules.in +++ b/make/rules.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 1998-2003 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: rules.in,v 1.62 2007/06/18 23:47:57 tbox Exp $ +# $Id: rules.in,v 1.62.128.2 2008/02/18 23:46:30 tbox Exp $ ### ### Common Makefile rules for BIND 9. @@ -104,7 +104,7 @@ STD_CWARNINGS = @STD_CWARNINGS@ BUILD_CC = @BUILD_CC@ BUILD_CFLAGS = @BUILD_CFLAGS@ BUILD_CPPFLAGS = @BUILD_CPPFLAGS@ -BUILD_LDFAGS = @BUILD_LDFAGS@ +BUILD_LDFLAGS = @BUILD_LDFLAGS@ BUILD_LIBS = @BUILD_LIBS@ .SUFFIXES: @@ -1,4 +1,4 @@ -# $Id: version,v 1.39.18.1 2008/01/22 23:43:56 each Exp $ +# $Id: version,v 1.39.18.3 2008/05/06 01:47:41 each Exp $ # # This file must follow /bin/sh rules. It is imported directly via # configure. @@ -6,5 +6,5 @@ MAJORVER=9 MINORVER=5 PATCHVER=0 -RELEASETYPE=b -RELEASEVER=2 +RELEASETYPE=rc +RELEASEVER=1 |