ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews/*
a134177ed9f82189504191d90f3ed9e97c2b47cbTinderbox User * Copyright (C) 2005, 2007, 2009, 2014-2017 Internet Systems Consortium, Inc. ("ISC")
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews *
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * This Source Code Form is subject to the terms of the Mozilla Public
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * License, v. 2.0. If a copy of the MPL was not distributed with this
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * file, You can obtain one at http://mozilla.org/MPL/2.0/.
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews */
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
4b6dc226f78862286daa69fba761eac9fd5da16aAutomatic Updater/* $Id: a_1.c,v 1.8 2009/12/04 22:06:37 tbox Exp $ */
dc5c59bd1dfb372225fb72fd83e6f3e9670be04bMark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews/* by Bjorn.Victor@it.uu.se, 2005-05-07 */
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews/* Based on generic/soa_6.c and generic/mx_15.c */
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews#ifndef RDATA_CH_3_A_1_C
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews#define RDATA_CH_3_A_1_C
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews#include <isc/net.h>
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews#define RRTYPE_A_ATTRIBUTES (0)
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsstatic inline isc_result_t
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsfromtext_ch_a(ARGS_FROMTEXT) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_token_t token;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_t name;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_buffer_t buffer;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01Mukund Sivaraman REQUIRE(type == dns_rdatatype_a);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdclass == dns_rdataclass_ch); /* 3 */
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews UNUSED(type);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews UNUSED(callbacks);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews ISC_FALSE));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews /* get domain name */
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_init(&name, NULL);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews buffer_fromregion(&buffer, &token.value.as_region);
e0a30050c8516a3d54a4f8dcdd88435704a8a3edMark Andrews if (origin == NULL)
e0a30050c8516a3d54a4f8dcdd88435704a8a3edMark Andrews origin = dns_rootname;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews if ((options & DNS_RDATA_CHECKNAMES) != 0 &&
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews (options & DNS_RDATA_CHECKREVERSE) != 0) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_boolean_t ok;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews ok = dns_name_ishostname(&name, ISC_FALSE);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews if (!ok && (options & DNS_RDATA_CHECKNAMESFAIL) != 0)
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews RETTOK(DNS_R_BADNAME);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews if (!ok && callbacks != NULL)
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews warn_badname(&name, lexer, callbacks);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews }
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews /* 16-bit octal address */
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews RETERR(isc_lex_getoctaltoken(lexer, &token, ISC_FALSE));
4ba6b6a7ef064e806dd56c8a3a42f1b0f2299404Mark Andrews if (token.value.as_ulong > 0xffffU)
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews RETTOK(ISC_R_RANGE);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (uint16_tobuffer(token.value.as_ulong, target));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsstatic inline isc_result_t
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewstotext_ch_a(ARGS_TOTEXT) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_t region;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_t name;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_t prefix;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_boolean_t sub;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews char buf[sizeof("0177777")];
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_uint16_t addr;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01Mukund Sivaraman REQUIRE(rdata->type == dns_rdatatype_a);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata->rdclass == dns_rdataclass_ch); /* 3 */
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata->length != 0);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_init(&name, NULL);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_init(&prefix, NULL);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_rdata_toregion(rdata, &region);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_fromregion(&name, &region);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_consume(&region, name_length(&name));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews addr = uint16_fromregion(&region);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews sub = name_prefix(&name, tctx->origin, &prefix);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews RETERR(dns_name_totext(&prefix, sub, target));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ad1317338af79edad878c9c3e4361798503310baMark Andrews snprintf(buf, sizeof(buf), "%o", addr); /* note octal */
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews RETERR(str_totext(" ", target));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (str_totext(buf, target));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsstatic inline isc_result_t
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsfromwire_ch_a(ARGS_FROMWIRE) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_t sregion;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_t tregion;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_t name;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01Mukund Sivaraman REQUIRE(type == dns_rdatatype_a);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdclass == dns_rdataclass_ch);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews UNUSED(type);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews UNUSED(rdclass);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_init(&name, NULL);
4b6dc226f78862286daa69fba761eac9fd5da16aAutomatic Updater
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews RETERR(dns_name_fromwire(&name, source, dctx, options, target));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_buffer_activeregion(source, &sregion);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_buffer_availableregion(target, &tregion);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews if (sregion.length < 2)
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (ISC_R_UNEXPECTEDEND);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews if (tregion.length < 2)
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (ISC_R_NOSPACE);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
e851ea826066ac5a5b01c2c23218faa0273a12e8Evan Hunt memmove(tregion.base, sregion.base, 2);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_buffer_forward(source, 2);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_buffer_add(target, 2);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (ISC_R_SUCCESS);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsstatic inline isc_result_t
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewstowire_ch_a(ARGS_TOWIRE) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_t name;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_offsets_t offsets;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_t sregion;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_t tregion;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01Mukund Sivaraman REQUIRE(rdata->type == dns_rdatatype_a);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata->rdclass == dns_rdataclass_ch);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata->length != 0);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_init(&name, offsets);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_rdata_toregion(rdata, &sregion);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_fromregion(&name, &sregion);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_consume(&sregion, name_length(&name));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews RETERR(dns_name_towire(&name, cctx, target));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_buffer_availableregion(target, &tregion);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews if (tregion.length < 2)
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (ISC_R_NOSPACE);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
e851ea826066ac5a5b01c2c23218faa0273a12e8Evan Hunt memmove(tregion.base, sregion.base, 2);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_buffer_add(target, 2);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (ISC_R_SUCCESS);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsstatic inline int
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewscompare_ch_a(ARGS_COMPARE) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_t name1;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_t name2;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_t region1;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_t region2;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews int order;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata1->type == rdata2->type);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata1->rdclass == rdata2->rdclass);
b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01Mukund Sivaraman REQUIRE(rdata1->type == dns_rdatatype_a);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata1->rdclass == dns_rdataclass_ch);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata1->length != 0);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata2->length != 0);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_init(&name1, NULL);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_init(&name2, NULL);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_rdata_toregion(rdata1, &region1);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_rdata_toregion(rdata2, &region2);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_fromregion(&name1, &region1);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_fromregion(&name2, &region2);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_consume(&region1, name_length(&name1));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_consume(&region2, name_length(&name2));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews order = dns_name_rdatacompare(&name1, &name2);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews if (order != 0)
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (order);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews order = memcmp(rdata1->data, rdata2->data, 2);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews if (order != 0)
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews order = (order < 0) ? -1 : 1;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (order);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsstatic inline isc_result_t
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsfromstruct_ch_a(ARGS_FROMSTRUCT) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_rdata_ch_a_t *a = source;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_t region;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01Mukund Sivaraman REQUIRE(type == dns_rdatatype_a);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(source != NULL);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(a->common.rdtype == type);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(a->common.rdclass == rdclass);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews UNUSED(type);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews UNUSED(rdclass);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_toregion(&a->ch_addr_dom, &region);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews RETERR(isc_buffer_copyregion(target, &region));
4b6dc226f78862286daa69fba761eac9fd5da16aAutomatic Updater
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (uint16_tobuffer(ntohs(a->ch_addr), target));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsstatic inline isc_result_t
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewstostruct_ch_a(ARGS_TOSTRUCT) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_rdata_ch_a_t *a = target;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_t region;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_t name;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01Mukund Sivaraman REQUIRE(rdata->type == dns_rdatatype_a);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata->rdclass == dns_rdataclass_ch);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata->length != 0);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews a->common.rdclass = rdata->rdclass;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews a->common.rdtype = rdata->type;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews ISC_LINK_INIT(&a->common, link);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_rdata_toregion(rdata, &region);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_init(&name, NULL);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_fromregion(&name, &region);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_consume(&region, name_length(&name));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_init(&a->ch_addr_dom, NULL);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews RETERR(name_duporclone(&name, mctx, &a->ch_addr_dom));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews a->ch_addr = htons(uint16_fromregion(&region));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews a->mctx = mctx;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (ISC_R_SUCCESS);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsstatic inline void
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsfreestruct_ch_a(ARGS_FREESTRUCT) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_rdata_ch_a_t *a = source;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(source != NULL);
b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01Mukund Sivaraman REQUIRE(a->common.rdtype == dns_rdatatype_a);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews if (a->mctx == NULL)
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_free(&a->ch_addr_dom, a->mctx);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews a->mctx = NULL;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsstatic inline isc_result_t
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsadditionaldata_ch_a(ARGS_ADDLDATA) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01Mukund Sivaraman REQUIRE(rdata->type == dns_rdatatype_a);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata->rdclass == dns_rdataclass_ch);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews UNUSED(rdata);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews UNUSED(add);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews UNUSED(arg);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (ISC_R_SUCCESS);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsstatic inline isc_result_t
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsdigest_ch_a(ARGS_DIGEST) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_t r;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_t name;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01Mukund Sivaraman REQUIRE(rdata->type == dns_rdatatype_a);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata->rdclass == dns_rdataclass_ch);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_rdata_toregion(rdata, &r);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_init(&name, NULL);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_fromregion(&name, &r);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_consume(&r, name_length(&name));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews RETERR(dns_name_digest(&name, digest, arg));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return ((digest)(arg, &r));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsstatic inline isc_boolean_t
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewscheckowner_ch_a(ARGS_CHECKOWNER) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01Mukund Sivaraman REQUIRE(type == dns_rdatatype_a);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdclass == dns_rdataclass_ch);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews UNUSED(type);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (dns_name_ishostname(name, wildcard));
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewsstatic inline isc_boolean_t
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrewschecknames_ch_a(ARGS_CHECKNAMES) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews isc_region_t region;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_t name;
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
b0ba1a6059b6d6c4b3aa77d8bc84cc443b981e01Mukund Sivaraman REQUIRE(rdata->type == dns_rdatatype_a);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews REQUIRE(rdata->rdclass == dns_rdataclass_ch);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews UNUSED(owner);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_rdata_toregion(rdata, &region);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_init(&name, NULL);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_fromregion(&name, &region);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews if (!dns_name_ishostname(&name, ISC_FALSE)) {
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews if (bad != NULL)
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews dns_name_clone(&name, bad);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (ISC_FALSE);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews }
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews return (ISC_TRUE);
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews
3d17a3ba61a303d5c4d9867068d0fbe9f24d2988Mark Andrewsstatic inline int
3d17a3ba61a303d5c4d9867068d0fbe9f24d2988Mark Andrewscasecompare_ch_a(ARGS_COMPARE) {
3d17a3ba61a303d5c4d9867068d0fbe9f24d2988Mark Andrews return (compare_ch_a(rdata1, rdata2));
3d17a3ba61a303d5c4d9867068d0fbe9f24d2988Mark Andrews}
ef67e6d8fa86d98a2c0defc43b624434324d9ce7Mark Andrews#endif /* RDATA_CH_3_A_1_C */