1135446Strhodes/* 2224092Sdougb * Copyright (C) 2004, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") 3135446Strhodes * Copyright (C) 1999-2001 Internet Software Consortium. 4135446Strhodes * 5193149Sdougb * Permission to use, copy, modify, and/or distribute this software for any 6135446Strhodes * purpose with or without fee is hereby granted, provided that the above 7135446Strhodes * copyright notice and this permission notice appear in all copies. 8135446Strhodes * 9135446Strhodes * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10135446Strhodes * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11135446Strhodes * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12135446Strhodes * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13135446Strhodes * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14135446Strhodes * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15135446Strhodes * PERFORMANCE OF THIS SOFTWARE. 16135446Strhodes */ 17135446Strhodes 18234010Sdougb/* $Id: dname_39.c,v 1.40 2009/12/04 22:06:37 tbox Exp $ */ 19135446Strhodes 20135446Strhodes/* Reviewed: Wed Mar 15 16:52:38 PST 2000 by explorer */ 21135446Strhodes 22135446Strhodes/* RFC2672 */ 23135446Strhodes 24135446Strhodes#ifndef RDATA_GENERIC_DNAME_39_C 25135446Strhodes#define RDATA_GENERIC_DNAME_39_C 26135446Strhodes 27135446Strhodes#define RRTYPE_DNAME_ATTRIBUTES (DNS_RDATATYPEATTR_SINGLETON) 28135446Strhodes 29135446Strhodesstatic inline isc_result_t 30135446Strhodesfromtext_dname(ARGS_FROMTEXT) { 31135446Strhodes isc_token_t token; 32135446Strhodes dns_name_t name; 33135446Strhodes isc_buffer_t buffer; 34135446Strhodes 35135446Strhodes REQUIRE(type == 39); 36135446Strhodes 37135446Strhodes UNUSED(type); 38135446Strhodes UNUSED(rdclass); 39135446Strhodes UNUSED(callbacks); 40135446Strhodes 41135446Strhodes RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, 42135446Strhodes ISC_FALSE)); 43135446Strhodes 44135446Strhodes dns_name_init(&name, NULL); 45135446Strhodes buffer_fromregion(&buffer, &token.value.as_region); 46135446Strhodes origin = (origin != NULL) ? origin : dns_rootname; 47135446Strhodes RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target)); 48135446Strhodes return (ISC_R_SUCCESS); 49135446Strhodes} 50135446Strhodes 51135446Strhodesstatic inline isc_result_t 52135446Strhodestotext_dname(ARGS_TOTEXT) { 53135446Strhodes isc_region_t region; 54135446Strhodes dns_name_t name; 55135446Strhodes dns_name_t prefix; 56135446Strhodes isc_boolean_t sub; 57135446Strhodes 58135446Strhodes REQUIRE(rdata->type == 39); 59135446Strhodes REQUIRE(rdata->length != 0); 60135446Strhodes 61135446Strhodes dns_name_init(&name, NULL); 62135446Strhodes dns_name_init(&prefix, NULL); 63135446Strhodes 64135446Strhodes dns_rdata_toregion(rdata, ®ion); 65135446Strhodes dns_name_fromregion(&name, ®ion); 66135446Strhodes 67135446Strhodes sub = name_prefix(&name, tctx->origin, &prefix); 68135446Strhodes 69135446Strhodes return (dns_name_totext(&prefix, sub, target)); 70135446Strhodes} 71135446Strhodes 72135446Strhodesstatic inline isc_result_t 73135446Strhodesfromwire_dname(ARGS_FROMWIRE) { 74135446Strhodes dns_name_t name; 75135446Strhodes 76135446Strhodes REQUIRE(type == 39); 77135446Strhodes 78135446Strhodes UNUSED(type); 79135446Strhodes UNUSED(rdclass); 80135446Strhodes 81135446Strhodes dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE); 82135446Strhodes 83135446Strhodes dns_name_init(&name, NULL); 84135446Strhodes return(dns_name_fromwire(&name, source, dctx, options, target)); 85135446Strhodes} 86135446Strhodes 87135446Strhodesstatic inline isc_result_t 88135446Strhodestowire_dname(ARGS_TOWIRE) { 89135446Strhodes dns_name_t name; 90135446Strhodes dns_offsets_t offsets; 91135446Strhodes isc_region_t region; 92135446Strhodes 93135446Strhodes REQUIRE(rdata->type == 39); 94135446Strhodes REQUIRE(rdata->length != 0); 95135446Strhodes 96135446Strhodes dns_compress_setmethods(cctx, DNS_COMPRESS_NONE); 97135446Strhodes dns_name_init(&name, offsets); 98135446Strhodes dns_rdata_toregion(rdata, ®ion); 99135446Strhodes dns_name_fromregion(&name, ®ion); 100135446Strhodes 101135446Strhodes return (dns_name_towire(&name, cctx, target)); 102135446Strhodes} 103135446Strhodes 104135446Strhodesstatic inline int 105135446Strhodescompare_dname(ARGS_COMPARE) { 106135446Strhodes dns_name_t name1; 107135446Strhodes dns_name_t name2; 108135446Strhodes isc_region_t region1; 109135446Strhodes isc_region_t region2; 110135446Strhodes 111135446Strhodes REQUIRE(rdata1->type == rdata2->type); 112135446Strhodes REQUIRE(rdata1->rdclass == rdata2->rdclass); 113135446Strhodes REQUIRE(rdata1->type == 39); 114135446Strhodes REQUIRE(rdata1->length != 0); 115135446Strhodes REQUIRE(rdata2->length != 0); 116135446Strhodes 117135446Strhodes dns_name_init(&name1, NULL); 118135446Strhodes dns_name_init(&name2, NULL); 119135446Strhodes 120135446Strhodes dns_rdata_toregion(rdata1, ®ion1); 121135446Strhodes dns_rdata_toregion(rdata2, ®ion2); 122135446Strhodes 123135446Strhodes dns_name_fromregion(&name1, ®ion1); 124135446Strhodes dns_name_fromregion(&name2, ®ion2); 125135446Strhodes 126135446Strhodes return (dns_name_rdatacompare(&name1, &name2)); 127135446Strhodes} 128135446Strhodes 129135446Strhodesstatic inline isc_result_t 130135446Strhodesfromstruct_dname(ARGS_FROMSTRUCT) { 131135446Strhodes dns_rdata_dname_t *dname = source; 132135446Strhodes isc_region_t region; 133135446Strhodes 134135446Strhodes REQUIRE(type == 39); 135135446Strhodes REQUIRE(source != NULL); 136135446Strhodes REQUIRE(dname->common.rdtype == type); 137135446Strhodes REQUIRE(dname->common.rdclass == rdclass); 138135446Strhodes 139135446Strhodes UNUSED(type); 140135446Strhodes UNUSED(rdclass); 141135446Strhodes 142135446Strhodes dns_name_toregion(&dname->dname, ®ion); 143135446Strhodes return (isc_buffer_copyregion(target, ®ion)); 144135446Strhodes} 145135446Strhodes 146135446Strhodesstatic inline isc_result_t 147135446Strhodestostruct_dname(ARGS_TOSTRUCT) { 148135446Strhodes isc_region_t region; 149135446Strhodes dns_rdata_dname_t *dname = target; 150135446Strhodes dns_name_t name; 151135446Strhodes 152135446Strhodes REQUIRE(rdata->type == 39); 153135446Strhodes REQUIRE(target != NULL); 154135446Strhodes REQUIRE(rdata->length != 0); 155135446Strhodes 156135446Strhodes dname->common.rdclass = rdata->rdclass; 157135446Strhodes dname->common.rdtype = rdata->type; 158135446Strhodes ISC_LINK_INIT(&dname->common, link); 159135446Strhodes 160135446Strhodes dns_name_init(&name, NULL); 161135446Strhodes dns_rdata_toregion(rdata, ®ion); 162135446Strhodes dns_name_fromregion(&name, ®ion); 163135446Strhodes dns_name_init(&dname->dname, NULL); 164135446Strhodes RETERR(name_duporclone(&name, mctx, &dname->dname)); 165135446Strhodes dname->mctx = mctx; 166135446Strhodes return (ISC_R_SUCCESS); 167135446Strhodes} 168135446Strhodes 169135446Strhodesstatic inline void 170135446Strhodesfreestruct_dname(ARGS_FREESTRUCT) { 171135446Strhodes dns_rdata_dname_t *dname = source; 172135446Strhodes 173135446Strhodes REQUIRE(source != NULL); 174135446Strhodes REQUIRE(dname->common.rdtype == 39); 175135446Strhodes 176135446Strhodes if (dname->mctx == NULL) 177135446Strhodes return; 178135446Strhodes 179135446Strhodes dns_name_free(&dname->dname, dname->mctx); 180135446Strhodes dname->mctx = NULL; 181135446Strhodes} 182135446Strhodes 183135446Strhodesstatic inline isc_result_t 184135446Strhodesadditionaldata_dname(ARGS_ADDLDATA) { 185135446Strhodes UNUSED(rdata); 186135446Strhodes UNUSED(add); 187135446Strhodes UNUSED(arg); 188135446Strhodes 189135446Strhodes REQUIRE(rdata->type == 39); 190135446Strhodes 191135446Strhodes return (ISC_R_SUCCESS); 192135446Strhodes} 193135446Strhodes 194135446Strhodesstatic inline isc_result_t 195135446Strhodesdigest_dname(ARGS_DIGEST) { 196135446Strhodes isc_region_t r; 197135446Strhodes dns_name_t name; 198135446Strhodes 199135446Strhodes REQUIRE(rdata->type == 39); 200135446Strhodes 201135446Strhodes dns_rdata_toregion(rdata, &r); 202135446Strhodes dns_name_init(&name, NULL); 203135446Strhodes dns_name_fromregion(&name, &r); 204135446Strhodes 205135446Strhodes return (dns_name_digest(&name, digest, arg)); 206135446Strhodes} 207135446Strhodes 208135446Strhodesstatic inline isc_boolean_t 209135446Strhodescheckowner_dname(ARGS_CHECKOWNER) { 210135446Strhodes 211135446Strhodes REQUIRE(type == 39); 212135446Strhodes 213135446Strhodes UNUSED(name); 214135446Strhodes UNUSED(type); 215135446Strhodes UNUSED(rdclass); 216135446Strhodes UNUSED(wildcard); 217135446Strhodes 218135446Strhodes return (ISC_TRUE); 219135446Strhodes} 220135446Strhodes 221135446Strhodesstatic inline isc_boolean_t 222135446Strhodeschecknames_dname(ARGS_CHECKNAMES) { 223135446Strhodes 224135446Strhodes REQUIRE(rdata->type == 39); 225135446Strhodes 226135446Strhodes UNUSED(rdata); 227135446Strhodes UNUSED(owner); 228135446Strhodes UNUSED(bad); 229135446Strhodes 230135446Strhodes return (ISC_TRUE); 231135446Strhodes} 232135446Strhodes 233224092Sdougbstatic inline int 234224092Sdougbcasecompare_dname(ARGS_COMPARE) { 235224092Sdougb return (compare_dname(rdata1, rdata2)); 236224092Sdougb} 237135446Strhodes#endif /* RDATA_GENERIC_DNAME_39_C */ 238