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/*
* Copyright (C) 1998-2000 Internet Software Consortium.
*
* Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM 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.
*/
/* $Id: result.c,v 1.63.2.2 2000/07/28 19:41:16 gson Exp $ */
#include <config.h>
#include <isc/once.h>
#include <isc/util.h>
#include <dns/result.h>
#include <dns/lib.h>
static const char *text[DNS_R_NRESULTS] = {
"label too long", /* 0 */
"bad escape", /* 1 */
"bad bitstring", /* 2 */
"bitstring too long", /* 3 */
"empty label", /* 4 */
"bad dotted quad", /* 5 */
"invalid NS owner name (wildcard)", /* 6 */
"unknown class/type", /* 7 */
"bad label type", /* 8 */
"bad compression pointer", /* 9 */
"too many hops", /* 10 */
"disallowed (by application policy)", /* 11 */
"extra input text", /* 12 */
"extra input data", /* 13 */
"text too long", /* 14 */
"not at top of zone", /* 15 */
"syntax error", /* 16 */
"bad checksum", /* 17 */
"bad IPv6 address", /* 18 */
"no owner", /* 19 */
"no ttl", /* 20 */
"bad class", /* 21 */
"UNUSED22", /* 22 */
"partial match", /* 23 */
"new origin", /* 24 */
"unchanged", /* 25 */
"bad ttl", /* 26 */
"more data needed/to be rendered", /* 27 */
"continue", /* 28 */
"delegation", /* 29 */
"glue", /* 30 */
"dname", /* 31 */
"cname", /* 32 */
"bad database", /* 33 */
"zonecut", /* 34 */
"bad zone", /* 35 */
"more data", /* 36 */
"up to date", /* 37 */
"tsig verify failure", /* 38 */
"tsig indicates error", /* 39 */
"SIG failed to verify", /* 40 */
"SIG has expired", /* 41 */
"SIG validity period has not begun", /* 42 */
"key is unauthorized to sign data", /* 43 */
"invalid time", /* 44 */
"expected a TSIG", /* 45 */
"did not expect a TSIG", /* 46 */
"TKEY is unacceptable", /* 47 */
"hint", /* 48 */
"drop", /* 49 */
"zone not loaded", /* 50 */
"ncache nxdomain", /* 51 */
"ncache nxrrset", /* 52 */
"wait", /* 53 */
"not verified yet", /* 54 */
"no identity", /* 55 */
"no journal", /* 56 */
"alias", /* 57 */
"use TCP", /* 58 */
"no valid SIG", /* 59 */
"no valid NXT", /* 60 */
"not insecure" /* 61 */
};
static const char *rcode_text[DNS_R_NRCODERESULTS] = {
"NOERROR", /* 0 */
"FORMERR", /* 1 */
"SERVFAIL", /* 2 */
"NXDOMAIN", /* 3 */
"NOTIMP", /* 4 */
"REFUSED", /* 5 */
"YXDOMAIN", /* 6 */
"YXRRSET", /* 7 */
"NXRRSET", /* 8 */
"NOTAUTH", /* 9 */
"NOTZONE", /* 10 */
"<rcode 11>", /* 11 */
"<rcode 12>", /* 12 */
"<rcode 13>", /* 13 */
"<rcode 14>", /* 14 */
"<rcode 15>", /* 15 */
"BADVERS", /* 16 */
};
#define DNS_RESULT_RESULTSET 2
#define DNS_RESULT_RCODERESULTSET 3
static isc_once_t once = ISC_ONCE_INIT;
static void
initialize_action(void) {
isc_result_t result;
result = isc_result_register(ISC_RESULTCLASS_DNS, DNS_R_NRESULTS,
text, dns_msgcat, DNS_RESULT_RESULTSET);
if (result == ISC_R_SUCCESS)
result = isc_result_register(ISC_RESULTCLASS_DNSRCODE,
DNS_R_NRCODERESULTS,
rcode_text, dns_msgcat,
DNS_RESULT_RCODERESULTSET);
if (result != ISC_R_SUCCESS)
UNEXPECTED_ERROR(__FILE__, __LINE__,
"isc_result_register() failed: %u", result);
}
static void
initialize(void) {
dns_lib_initmsgcat();
RUNTIME_CHECK(isc_once_do(&once, initialize_action) == ISC_R_SUCCESS);
}
const char *
dns_result_totext(isc_result_t result) {
initialize();
return (isc_result_totext(result));
}
void
dns_result_register(void) {
initialize();
}
dns_rcode_t
dns_result_torcode(isc_result_t result) {
dns_rcode_t rcode = dns_rcode_servfail;
if (DNS_RESULT_ISRCODE(result)) {
/*
* Rcodes can't be bigger than 12 bits, which is why we
* AND with 0xFFF instead of 0xFFFF.
*/
return ((dns_rcode_t)((result) & 0xFFF));
}
/*
* Try to supply an appropriate rcode.
*/
switch (result) {
case ISC_R_SUCCESS:
rcode = dns_rcode_noerror;
break;
case ISC_R_BADBASE64:
case ISC_R_NOSPACE:
case ISC_R_RANGE:
case ISC_R_UNEXPECTEDEND:
case DNS_R_BADAAAA:
case DNS_R_BADBITSTRING:
case DNS_R_BADCKSUM:
case DNS_R_BADCLASS:
case DNS_R_BADLABELTYPE:
case DNS_R_BADPOINTER:
case DNS_R_BADTTL:
case DNS_R_BADZONE:
case DNS_R_BITSTRINGTOOLONG:
case DNS_R_EXTRADATA:
case DNS_R_LABELTOOLONG:
case DNS_R_NOREDATA:
case DNS_R_SYNTAX:
case DNS_R_TEXTTOOLONG:
case DNS_R_TOOMANYHOPS:
case DNS_R_TSIGERRORSET:
case DNS_R_UNKNOWN:
rcode = dns_rcode_formerr;
break;
case DNS_R_DISALLOWED:
rcode = dns_rcode_refused;
break;
case DNS_R_TSIGVERIFYFAILURE:
rcode = dns_rcode_notauth;
break;
default:
rcode = dns_rcode_servfail;
}
return (rcode);
}
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