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authoras200622 <none@none>2008-01-05 20:52:22 -0800
committeras200622 <none@none>2008-01-05 20:52:22 -0800
commitdc20a3024900c47dd2ee44b9707e6df38f7d62a5 (patch)
treee0957e6b6d6b5c0117800046c765b78d69f80ce1 /usr/src/lib/smbsrv/libsmbns/common/smbns_dyndns.c
parentbda89588bd7667394a834e8a9a34612cce2ae9c3 (diff)
downloadillumos-gate-dc20a3024900c47dd2ee44b9707e6df38f7d62a5.tar.gz
6560095 SNAS shows SIDs for Built-in Groups members instead of name
6582153 SMB signing and sealing (redirector) 6582192 Remove SMB config cache 6582210 Consistent Logging Strategy 6582214 Unified error reporting strategy 6593360 Confusing log message: [ID 334764 user.error] Ads is not enable 6597854 The shares are not accessible if doing Run \\ip-addr 6610587 RPC-WINREG test has failed on smbtorture. 6610650 Workgroup: authentication problem when client's LM level > 2 6611277 Should not be able to join domain when Snas ipc-mode=anon and W2K DC IPC=No access without anonymous 6613675 Creating a file with DOS readonly bit set requires special handling 6626113 libshare_smb leaks file descriptor on unload 6626119 libshare_smb leaks file descriptor on door call failure 6626126 libsmb configuration leaks memory 6629314 smbd logging forgets newlines, creating a mess 6629954 smb local group support should be re-enabled 6630424 libshare having trouble starting smb/server 6631739 rdr_ipcmode does change to "Fallback,anon". 6631985 SMB daemon doesn't locate a new ADS server if ads_site property has been modified. 6631987 SMB daemon reads /etc/resolv.conf once when it starts up. 6633202 smbfs client caused CIFS server panic 6635175 lint error reported when building smbsrv module when either mars or ceres lint was used 6636763 Get core if using sharemgr set-share -r with nonexistent share 6640934 libshare tries to enable smb service if any filesystem is shared over smb 6641051 The CIFS server needs to use the VFS nbmand mechanism for system-wide share reservations 6642047 Changes to SMF properties of the CIFS service - PSARC/2007/686 6642302 Do not add null when marshalling non-null-terminated NDR strings 6642368 Cross protocol byte range locking is needed --HG-- rename : usr/src/lib/smbsrv/libmlsvc/common/mlsvc_handle.c => deleted_files/usr/src/lib/smbsrv/libmlsvc/common/mlsvc_handle.c rename : usr/src/lib/smbsrv/libsmb/common/smb_group_door_encdec.c => deleted_files/usr/src/lib/smbsrv/libsmb/common/smb_group_door_encdec.c rename : usr/src/lib/smbsrv/libsmb/common/smb_group_xdr.c => deleted_files/usr/src/lib/smbsrv/libsmb/common/smb_group_xdr.c rename : usr/src/lib/smbsrv/libmlrpc/common/mlrpc_client.c => usr/src/lib/smbsrv/libmlrpc/common/ndr_client.c rename : usr/src/lib/smbsrv/libmlrpc/common/mlrpc_heap.c => usr/src/lib/smbsrv/libmlrpc/common/ndr_heap.c rename : usr/src/lib/smbsrv/libmlrpc/common/mlrpc_encdec.c => usr/src/lib/smbsrv/libmlrpc/common/ndr_marshal.c rename : usr/src/lib/smbsrv/libmlrpc/common/mlndo.c => usr/src/lib/smbsrv/libmlrpc/common/ndr_ops.c rename : usr/src/lib/smbsrv/libmlrpc/common/mlndr.c => usr/src/lib/smbsrv/libmlrpc/common/ndr_process.c rename : usr/src/lib/smbsrv/libmlrpc/common/mlrpc_server.c => usr/src/lib/smbsrv/libmlrpc/common/ndr_server.c rename : usr/src/lib/smbsrv/libmlrpc/common/mlrpc_svc.c => usr/src/lib/smbsrv/libmlrpc/common/ndr_svc.c
Diffstat (limited to 'usr/src/lib/smbsrv/libsmbns/common/smbns_dyndns.c')
-rw-r--r--usr/src/lib/smbsrv/libsmbns/common/smbns_dyndns.c85
1 files changed, 42 insertions, 43 deletions
diff --git a/usr/src/lib/smbsrv/libsmbns/common/smbns_dyndns.c b/usr/src/lib/smbsrv/libsmbns/common/smbns_dyndns.c
index 094c1b4946..c0f870b2ad 100644
--- a/usr/src/lib/smbsrv/libsmbns/common/smbns_dyndns.c
+++ b/usr/src/lib/smbsrv/libsmbns/common/smbns_dyndns.c
@@ -19,7 +19,7 @@
* CDDL HEADER END
*/
/*
- * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -52,16 +52,39 @@
#define DEL_NONE 2
/* Maximum retires if not authoritative */
#define MAX_AUTH_RETRIES 3
+/* Number of times to retry a DNS query */
+#define DYNDNS_MAX_QUERY_RETRIES 3
+/* Timeout value, in seconds, for DNS query responses */
+#define DYNDNS_QUERY_TIMEOUT 2
-static int
-dyndns_enabled(void)
+static uint16_t dns_msgid;
+mutex_t dns_msgid_mtx;
+
+int
+dns_msgid_init(void)
{
- int enabled;
+ struct __res_state res;
+
+ bzero(&res, sizeof (struct __res_state));
+ if (res_ninit(&res) < 0)
+ return (-1);
- smb_config_rdlock();
- enabled = smb_config_getyorn(SMB_CI_DYNDNS_ENABLE);
- smb_config_unlock();
- return (enabled);
+ (void) mutex_lock(&dns_msgid_mtx);
+ dns_msgid = res.id;
+ (void) mutex_unlock(&dns_msgid_mtx);
+ res_nclose(&res);
+ return (0);
+}
+
+int
+dns_get_msgid(void)
+{
+ uint16_t id;
+
+ (void) mutex_lock(&dns_msgid_mtx);
+ id = ++dns_msgid;
+ (void) mutex_unlock(&dns_msgid_mtx);
+ return (id);
}
/*
@@ -651,7 +674,7 @@ dyndns_build_tkey_msg(char *buf, char *key_name, uint16_t *id,
(void) memset(buf, 0, MAX_TCP_SIZE);
bufptr = buf;
- *id = smb_get_next_resid();
+ *id = dns_get_msgid();
/* add TCP length info that follows this field */
bufptr = dyndns_put_nshort(bufptr,
@@ -931,7 +954,7 @@ dyndns_build_add_remove_msg(char *buf, int update_zone, const char *hostname,
bufptr = buf;
if (*id == 0)
- *id = smb_get_next_resid();
+ *id = dns_get_msgid();
if (dyndns_build_header(&bufptr, BUFLEN_UDP(bufptr, buf), *id, queryReq,
zoneCount, preqCount, updateCount, additionalCount, 0) == -1) {
@@ -1114,13 +1137,7 @@ dyndns_build_signed_tsig_msg(char *buf, int update_zone, const char *hostname,
/*
* dyndns_udp_send_recv
- * This routine sends and receives UDP DNS request and reply messages. Time
- * out value and retry count is indicated by two environment variables:
- * lookup_dns_retry_cnt
- * lookup_dns_retry_sec
- * If either of these two variables are undefined or their value exceed the
- * value of 10 then a default value of 3 retry and/or a default value of 3
- * secs are used.
+ * This routine sends and receives UDP DNS request and reply messages.
*
* Pre-condition: Caller must call dyndns_open_init_socket() before calling
* this function.
@@ -1137,34 +1154,15 @@ dyndns_build_signed_tsig_msg(char *buf, int update_zone, const char *hostname,
int
dyndns_udp_send_recv(int s, char *buf, int buf_sz, char *rec_buf)
{
- int i, retval, addr_len, max_retries;
+ int i, retval, addr_len;
struct timeval tv, timeout;
fd_set rfds;
struct sockaddr_in from_addr;
- char *p;
-
- smb_config_rdlock();
- p = smb_config_getstr(SMB_CI_DYNDNS_RETRY_COUNT);
- if (p == NULL || *p == 0) {
- max_retries = 3;
- } else {
- max_retries = atoi(p);
- if (max_retries < 1 || max_retries > 10)
- max_retries = 3;
- }
- p = smb_config_getstr(SMB_CI_DYNDNS_RETRY_SEC);
timeout.tv_usec = 0;
- if (p == NULL || *p == 0) {
- timeout.tv_sec = 3;
- } else {
- timeout.tv_sec = atoi(p);
- if (timeout.tv_sec < 1 || timeout.tv_sec > 10)
- timeout.tv_sec = 3;
- }
- smb_config_unlock();
+ timeout.tv_sec = DYNDNS_QUERY_TIMEOUT;
- for (i = 0; i < max_retries + 1; i++) {
+ for (i = 0; i <= DYNDNS_MAX_QUERY_RETRIES; i++) {
if (send(s, buf, buf_sz, 0) == -1) {
syslog(LOG_ERR, "dyndns: UDP send error (%s)\n",
strerror(errno));
@@ -1193,7 +1191,8 @@ dyndns_udp_send_recv(int s, char *buf, int buf_sz, char *rec_buf)
}
}
- if (i == (max_retries + 1)) { /* did not receive anything */
+ /* did not receive anything */
+ if (i == (DYNDNS_MAX_QUERY_RETRIES + 1)) {
syslog(LOG_ERR, "dyndns: max retries for UDP recv reached\n");
return (-1);
}
@@ -1506,7 +1505,7 @@ retry_higher:
return (-1);
}
- if (smb_get_security_mode() == SMB_SECMODE_DOMAIN)
+ if (smb_config_get_secmode() == SMB_SECMODE_DOMAIN)
ret = dyndns_sec_add_remove_entry(update_zone, hostname,
ip_addr, life_time, update_type, del_type, dns_str);
@@ -1679,7 +1678,7 @@ dyndns_update(void)
struct in_addr addr;
int rc;
- if (!dyndns_enabled())
+ if (!smb_config_getbool(SMB_CI_DYNDNS_ENABLE))
return (-1);
if (smb_getfqhostname(fqdn, MAXHOSTNAMELEN) != 0)
@@ -1760,7 +1759,7 @@ dyndns_clear_rev_zone(void)
struct in_addr addr;
int rc;
- if (!dyndns_enabled())
+ if (!smb_config_getbool(SMB_CI_DYNDNS_ENABLE))
return (-1);
if (smb_getfqhostname(fqdn, MAXHOSTNAMELEN) != 0)