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bind/lib/dns/result.c
Mark Andrews 0c27b3fe77 4401. [misc] Change LICENSE to MPL 2.0.
2016-06-27 14:56:38 +10:00

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/*
* Copyright (C) 1998-2005, 2007-2016 Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/*! \file */
#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 DNS_R_LABELTOOLONG */
"bad escape", /*%< 1 DNS_R_BADESCAPE */
/*!
* Note that DNS_R_BADBITSTRING and DNS_R_BITSTRINGTOOLONG are
* deprecated.
*/
"bad bitstring", /*%< 2 DNS_R_BADBITSTRING */
"bitstring too long", /*%< 3 DNS_R_BITSTRINGTOOLONG */
"empty label", /*%< 4 DNS_R_EMPTYLABEL */
"bad dotted quad", /*%< 5 DNS_R_BADDOTTEDQUAD */
"invalid NS owner name (wildcard)", /*%< 6 DNS_R_INVALIDNS */
"unknown class/type", /*%< 7 DNS_R_UNKNOWN */
"bad label type", /*%< 8 DNS_R_BADLABELTYPE */
"bad compression pointer", /*%< 9 DNS_R_BADPOINTER */
"too many hops", /*%< 10 DNS_R_TOOMANYHOPS */
"disallowed (by application policy)", /*%< 11 DNS_R_DISALLOWED */
"extra input text", /*%< 12 DNS_R_EXTRATOKEN */
"extra input data", /*%< 13 DNS_R_EXTRADATA */
"text too long", /*%< 14 DNS_R_TEXTTOOLONG */
"not at top of zone", /*%< 15 DNS_R_NOTZONETOP */
"syntax error", /*%< 16 DNS_R_SYNTAX */
"bad checksum", /*%< 17 DNS_R_BADCKSUM */
"bad IPv6 address", /*%< 18 DNS_R_BADAAAA */
"no owner", /*%< 19 DNS_R_NOOWNER */
"no ttl", /*%< 20 DNS_R_NOTTL */
"bad class", /*%< 21 DNS_R_BADCLASS */
"name too long", /*%< 22 DNS_R_NAMETOOLONG */
"partial match", /*%< 23 DNS_R_PARTIALMATCH */
"new origin", /*%< 24 DNS_R_NEWORIGIN */
"unchanged", /*%< 25 DNS_R_UNCHANGED */
"bad ttl", /*%< 26 DNS_R_BADTTL */
"more data needed/to be rendered", /*%< 27 DNS_R_NOREDATA */
"continue", /*%< 28 DNS_R_CONTINUE */
"delegation", /*%< 29 DNS_R_DELEGATION */
"glue", /*%< 30 DNS_R_GLUE */
"dname", /*%< 31 DNS_R_DNAME */
"cname", /*%< 32 DNS_R_CNAME */
"bad database", /*%< 33 DNS_R_BADDB */
"zonecut", /*%< 34 DNS_R_ZONECUT */
"bad zone", /*%< 35 DNS_R_BADZONE */
"more data", /*%< 36 DNS_R_MOREDATA */
"up to date", /*%< 37 DNS_R_UPTODATE */
"tsig verify failure", /*%< 38 DNS_R_TSIGVERIFYFAILURE */
"tsig indicates error", /*%< 39 DNS_R_TSIGERRORSET */
"RRSIG failed to verify", /*%< 40 DNS_R_SIGINVALID */
"RRSIG has expired", /*%< 41 DNS_R_SIGEXPIRED */
"RRSIG validity period has not begun", /*%< 42 DNS_R_SIGFUTURE */
"key is unauthorized to sign data", /*%< 43 DNS_R_KEYUNAUTHORIZED */
"invalid time", /*%< 44 DNS_R_INVALIDTIME */
"expected a TSIG or SIG(0)", /*%< 45 DNS_R_EXPECTEDTSIG */
"did not expect a TSIG or SIG(0)", /*%< 46 DNS_R_UNEXPECTEDTSIG */
"TKEY is unacceptable", /*%< 47 DNS_R_INVALIDTKEY */
"hint", /*%< 48 DNS_R_HINT */
"drop", /*%< 49 DNS_R_DROP */
"zone not loaded", /*%< 50 DNS_R_NOTLOADED */
"ncache nxdomain", /*%< 51 DNS_R_NCACHENXDOMAIN */
"ncache nxrrset", /*%< 52 DNS_R_NCACHENXRRSET */
"wait", /*%< 53 DNS_R_WAIT */
"not verified yet", /*%< 54 DNS_R_NOTVERIFIEDYET */
"no identity", /*%< 55 DNS_R_NOIDENTITY */
"no journal", /*%< 56 DNS_R_NOJOURNAL */
"alias", /*%< 57 DNS_R_ALIAS */
"use TCP", /*%< 58 DNS_R_USETCP */
"no valid RRSIG", /*%< 59 DNS_R_NOVALIDSIG */
"no valid NSEC", /*%< 60 DNS_R_NOVALIDNSEC */
"insecurity proof failed", /*%< 61 DNS_R_NOTINSECURE */
"unknown service", /*%< 62 DNS_R_UNKNOWNSERVICE */
"recoverable error occurred", /*%< 63 DNS_R_RECOVERABLE */
"unknown opt attribute record", /*%< 64 DNS_R_UNKNOWNOPT */
"unexpected message id", /*%< 65 DNS_R_UNEXPECTEDID */
"seen include file", /*%< 66 DNS_R_SEENINCLUDE */
"not exact", /*%< 67 DNS_R_NOTEXACT */
"address blackholed", /*%< 68 DNS_R_BLACKHOLED */
"bad algorithm", /*%< 69 DNS_R_BADALG */
"invalid use of a meta type", /*%< 70 DNS_R_METATYPE */
"CNAME and other data", /*%< 71 DNS_R_CNAMEANDOTHER */
"multiple RRs of singleton type", /*%< 72 DNS_R_SINGLETON */
"hint nxrrset", /*%< 73 DNS_R_HINTNXRRSET */
"no master file configured", /*%< 74 DNS_R_NOMASTERFILE */
"unknown protocol", /*%< 75 DNS_R_UNKNOWNPROTO */
"clocks are unsynchronized", /*%< 76 DNS_R_CLOCKSKEW */
"IXFR failed", /*%< 77 DNS_R_BADIXFR */
"not authoritative", /*%< 78 DNS_R_NOTAUTHORITATIVE */
"no valid KEY", /*%< 79 DNS_R_NOVALIDKEY */
"obsolete", /*%< 80 DNS_R_OBSOLETE */
"already frozen", /*%< 81 DNS_R_FROZEN */
"unknown flag", /*%< 82 DNS_R_UNKNOWNFLAG */
"expected a response", /*%< 83 DNS_R_EXPECTEDRESPONSE */
"no valid DS", /*%< 84 DNS_R_NOVALIDDS */
"NS is an address", /*%< 85 DNS_R_NSISADDRESS */
"received FORMERR", /*%< 86 DNS_R_REMOTEFORMERR */
"truncated TCP response", /*%< 87 DNS_R_TRUNCATEDTCP */
"lame server detected", /*%< 88 DNS_R_LAME */
"unexpected RCODE", /*%< 89 DNS_R_UNEXPECTEDRCODE */
"unexpected OPCODE", /*%< 90 DNS_R_UNEXPECTEDOPCODE */
"chase DS servers", /*%< 91 DNS_R_CHASEDSSERVERS */
"empty name", /*%< 92 DNS_R_EMPTYNAME */
"empty wild", /*%< 93 DNS_R_EMPTYWILD */
"bad bitmap", /*%< 94 DNS_R_BADBITMAP */
"from wildcard", /*%< 95 DNS_R_FROMWILDCARD */
"bad owner name (check-names)", /*%< 96 DNS_R_BADOWNERNAME */
"bad name (check-names)", /*%< 97 DNS_R_BADNAME */
"dynamic zone", /*%< 98 DNS_R_DYNAMIC */
"unknown command", /*%< 99 DNS_R_UNKNOWNCOMMAND */
"must-be-secure", /*%< 100 DNS_R_MUSTBESECURE */
"covering NSEC record returned", /*%< 101 DNS_R_COVERINGNSEC */
"MX is an address", /*%< 102 DNS_R_MXISADDRESS */
"duplicate query", /*%< 103 DNS_R_DUPLICATE */
"invalid NSEC3 owner name (wildcard)", /*%< 104 DNS_R_INVALIDNSEC3 */
"not master", /*%< 105 DNS_R_NOTMASTER */
"broken trust chain", /*%< 106 DNS_R_BROKENCHAIN */
"expired", /*%< 107 DNS_R_EXPIRED */
"not dynamic", /*%< 108 DNS_R_NOTDYNAMIC */
"bad EUI", /*%< 109 DNS_R_BADEUI */
"covered by negative trust anchor", /*%< 110 DNS_R_NTACOVERED */
"bad CDS", /*%< 111 DNS_R_BADCSD */
"bad CDNSKEY", /*%< 112 DNS_R_BADCDNSKEY */
"malformed OPT option", /*%< 113 DNS_R_OPTERR */
"malformed DNSTAP data", /*%< 114 DNS_R_BADDNSTAP */
"TSIG in wrong location", /*%< 115 DNS_R_BADTSIG */
"SIG(0) in wrong location", /*%< 116 DNS_R_BADSIG0 */
};
static const char *ids[DNS_R_NRESULTS] = {
"DNS_R_LABELTOOLONG",
"DNS_R_BADESCAPE",
/*!
* Note that DNS_R_BADBITSTRING and DNS_R_BITSTRINGTOOLONG are
* deprecated.
*/
"DNS_R_BADBITSTRING",
"DNS_R_BITSTRINGTOOLONG",
"DNS_R_EMPTYLABEL",
"DNS_R_BADDOTTEDQUAD",
"DNS_R_INVALIDNS",
"DNS_R_UNKNOWN",
"DNS_R_BADLABELTYPE",
"DNS_R_BADPOINTER",
"DNS_R_TOOMANYHOPS",
"DNS_R_DISALLOWED",
"DNS_R_EXTRATOKEN",
"DNS_R_EXTRADATA",
"DNS_R_TEXTTOOLONG",
"DNS_R_NOTZONETOP",
"DNS_R_SYNTAX",
"DNS_R_BADCKSUM",
"DNS_R_BADAAAA",
"DNS_R_NOOWNER",
"DNS_R_NOTTL",
"DNS_R_BADCLASS",
"DNS_R_NAMETOOLONG",
"DNS_R_PARTIALMATCH",
"DNS_R_NEWORIGIN",
"DNS_R_UNCHANGED",
"DNS_R_BADTTL",
"DNS_R_NOREDATA",
"DNS_R_CONTINUE",
"DNS_R_DELEGATION",
"DNS_R_GLUE",
"DNS_R_DNAME",
"DNS_R_CNAME",
"DNS_R_BADDB",
"DNS_R_ZONECUT",
"DNS_R_BADZONE",
"DNS_R_MOREDATA",
"DNS_R_UPTODATE",
"DNS_R_TSIGVERIFYFAILURE",
"DNS_R_TSIGERRORSET",
"DNS_R_SIGINVALID",
"DNS_R_SIGEXPIRED",
"DNS_R_SIGFUTURE",
"DNS_R_KEYUNAUTHORIZED",
"DNS_R_INVALIDTIME",
"DNS_R_EXPECTEDTSIG",
"DNS_R_UNEXPECTEDTSIG",
"DNS_R_INVALIDTKEY",
"DNS_R_HINT",
"DNS_R_DROP",
"DNS_R_NOTLOADED",
"DNS_R_NCACHENXDOMAIN",
"DNS_R_NCACHENXRRSET",
"DNS_R_WAIT",
"DNS_R_NOTVERIFIEDYET",
"DNS_R_NOIDENTITY",
"DNS_R_NOJOURNAL",
"DNS_R_ALIAS",
"DNS_R_USETCP",
"DNS_R_NOVALIDSIG",
"DNS_R_NOVALIDNSEC",
"DNS_R_NOTINSECURE",
"DNS_R_UNKNOWNSERVICE",
"DNS_R_RECOVERABLE",
"DNS_R_UNKNOWNOPT",
"DNS_R_UNEXPECTEDID",
"DNS_R_SEENINCLUDE",
"DNS_R_NOTEXACT",
"DNS_R_BLACKHOLED",
"DNS_R_BADALG",
"DNS_R_METATYPE",
"DNS_R_CNAMEANDOTHER",
"DNS_R_SINGLETON",
"DNS_R_HINTNXRRSET",
"DNS_R_NOMASTERFILE",
"DNS_R_UNKNOWNPROTO",
"DNS_R_CLOCKSKEW",
"DNS_R_BADIXFR",
"DNS_R_NOTAUTHORITATIVE",
"DNS_R_NOVALIDKEY",
"DNS_R_OBSOLETE",
"DNS_R_FROZEN",
"DNS_R_UNKNOWNFLAG",
"DNS_R_EXPECTEDRESPONSE",
"DNS_R_NOVALIDDS",
"DNS_R_NSISADDRESS",
"DNS_R_REMOTEFORMERR",
"DNS_R_TRUNCATEDTCP",
"DNS_R_LAME",
"DNS_R_UNEXPECTEDRCODE",
"DNS_R_UNEXPECTEDOPCODE",
"DNS_R_CHASEDSSERVERS",
"DNS_R_EMPTYNAME",
"DNS_R_EMPTYWILD",
"DNS_R_BADBITMAP",
"DNS_R_FROMWILDCARD",
"DNS_R_BADOWNERNAME",
"DNS_R_BADNAME",
"DNS_R_DYNAMIC",
"DNS_R_UNKNOWNCOMMAND",
"DNS_R_MUSTBESECURE",
"DNS_R_COVERINGNSEC",
"DNS_R_MXISADDRESS",
"DNS_R_DUPLICATE",
"DNS_R_INVALIDNSEC3",
"DNS_R_NOTMASTER",
"DNS_R_BROKENCHAIN",
"DNS_R_EXPIRED",
"DNS_R_NOTDYNAMIC",
"DNS_R_BADEUI",
"DNS_R_NTACOVERED",
"DNS_R_BADCSD",
"DNS_R_BADCDNSKEY",
"DNS_R_OPTERR",
"DNS_R_BADDNSTAP",
"DNS_R_BADTSIG",
"DNS_R_BADSIG0",
};
static const char *rcode_text[DNS_R_NRCODERESULTS] = {
"NOERROR", /*%< 0 DNS_R_NOERROR */
"FORMERR", /*%< 1 DNS_R_FORMERR */
"SERVFAIL", /*%< 2 DNS_R_SERVFAIL */
"NXDOMAIN", /*%< 3 DNS_R_NXDOMAIN */
"NOTIMP", /*%< 4 DNS_R_NOTIMP */
"REFUSED", /*%< 5 DNS_R_REFUSED */
"YXDOMAIN", /*%< 6 DNS_R_YXDOMAIN */
"YXRRSET", /*%< 7 DNS_R_YXRRSET */
"NXRRSET", /*%< 8 DNS_R_NXRRSET */
"NOTAUTH", /*%< 9 DNS_R_NOTAUTH */
"NOTZONE", /*%< 10 DNS_R_NOTZONE */
"<rcode 11>", /*%< 11 DNS_R_RCODE11 */
"<rcode 12>", /*%< 12 DNS_R_RCODE12 */
"<rcode 13>", /*%< 13 DNS_R_RCODE13 */
"<rcode 14>", /*%< 14 DNS_R_RCODE14 */
"<rcode 15>", /*%< 15 DNS_R_RCODE15 */
"BADVERS", /*%< 16 DNS_R_BADVERS */
};
static const char *rcode_ids[DNS_R_NRCODERESULTS] = {
"DNS_R_NOERROR",
"DNS_R_FORMERR",
"DNS_R_SERVFAIL",
"DNS_R_NXDOMAIN",
"DNS_R_NOTIMP",
"DNS_R_REFUSED",
"DNS_R_YXDOMAIN",
"DNS_R_YXRRSET",
"DNS_R_NXRRSET",
"DNS_R_NOTAUTH",
"DNS_R_NOTZONE",
"DNS_R_RCODE11",
"RNS_R_RCODE12",
"DNS_R_RCODE13",
"DNS_R_RCODE14",
"DNS_R_RCODE15",
"DNS_R_BADVERS",
};
#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);
result = isc_result_registerids(ISC_RESULTCLASS_DNS, DNS_R_NRESULTS,
ids, dns_msgcat, DNS_RESULT_RESULTSET);
if (result == ISC_R_SUCCESS)
result = isc_result_registerids(ISC_RESULTCLASS_DNSRCODE,
DNS_R_NRCODERESULTS,
rcode_ids, dns_msgcat,
DNS_RESULT_RCODERESULTSET);
if (result != ISC_R_SUCCESS)
UNEXPECTED_ERROR(__FILE__, __LINE__,
"isc_result_registerids() 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: deprecated */
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: deprecated */
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:
case DNS_R_NAMETOOLONG:
case DNS_R_OPTERR:
rcode = dns_rcode_formerr;
break;
case DNS_R_DISALLOWED:
rcode = dns_rcode_refused;
break;
case DNS_R_TSIGVERIFYFAILURE:
case DNS_R_CLOCKSKEW:
rcode = dns_rcode_notauth;
break;
default:
rcode = dns_rcode_servfail;
}
return (rcode);
}
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