Adding upstream version 1:9.16.44.upstream/1%9.16.44upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 454 insertions, 0 deletions

diff --git a/lib/dns/result.c b/lib/dns/result.c
new file mode 100644
index 0000000..9921291
--- /dev/null
+++ b/lib/dns/result.c
@@ -0,0 +1,454 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * 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 https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <isc/once.h>
+#include <isc/util.h>
+
+#include <dns/lib.h>
+#include <dns/result.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_BADCDS */
+	"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 */
+	"too many records",	    /*%< 117 DNS_R_TOOMANYRECORDS */
+	"verify failure",	    /*%< 118 DNS_R_VERIFYFAILURE */
+	"at top of zone",	    /*%< 119 DNS_R_ATZONETOP */
+
+	"no matching key found",	 /*%< 120 DNS_R_NOKEYMATCH */
+	"too many keys matching",	 /*%< 121 DNS_R_TOOMANYKEYS */
+	"key is not actively signing",	 /*%< 122 DNS_R_KEYNOTACTIVE */
+	"NSEC3 iterations out of range", /*%< 123 DNS_R_NSEC3ITERRANGE */
+	"NSEC3 salt length too high",	 /*%< 124 DNS_R_NSEC3SALTRANGE */
+
+	"cannot use NSEC3 with key algorithm", /*%< 125 DNS_R_NSEC3BADALG */
+	"NSEC3 resalt",			       /*%< 126 DNS_R_NSEC3RESALT */
+	"inconsistent resource record",	       /*%< 127 DNS_R_INCONSISTENTRR */
+};
+
+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_BADCDS",
+	"DNS_R_BADCDNSKEY",
+	"DNS_R_OPTERR",
+	"DNS_R_BADDNSTAP",
+	"DNS_R_BADTSIG",
+	"DNS_R_BADSIG0",
+	"DNS_R_TOOMANYRECORDS",
+	"DNS_R_VERIFYFAILURE",
+	"DNS_R_ATZONETOP",
+	"DNS_R_NOKEYMATCH",
+	"DNS_R_TOOMANYKEYS",
+	"DNS_R_KEYNOTACTIVE",
+	"DNS_R_NSEC3ITERRANGE",
+	"DNS_R_NSEC3SALTRANGE",
+	"DNS_R_NSEC3BADALG",
+	"DNS_R_NSEC3RESALT",
+	"DNS_R_INCONSISTENTRR",
+};
+
+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_RESULT_RESULTSET);
+	if (result == ISC_R_SUCCESS) {
+		result = isc_result_register(ISC_RESULTCLASS_DNSRCODE,
+					     DNS_R_NRCODERESULTS, rcode_text,
+					     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_RESULT_RESULTSET);
+	if (result == ISC_R_SUCCESS) {
+		result = isc_result_registerids(ISC_RESULTCLASS_DNSRCODE,
+						DNS_R_NRCODERESULTS, rcode_ids,
+						DNS_RESULT_RCODERESULTSET);
+	}
+	if (result != ISC_R_SUCCESS) {
+		UNEXPECTED_ERROR(__FILE__, __LINE__,
+				 "isc_result_registerids() failed: %u", result);
+	}
+}
+
+static void
+initialize(void) {
+	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_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);
+}