1135446Strhodes/* 2224092Sdougb * Copyright (C) 2004, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") 3135446Strhodes * Copyright (C) 1998-2001 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: ns_2.c,v 1.48 2009/12/04 22:06:37 tbox Exp $ */ 19135446Strhodes 20135446Strhodes/* Reviewed: Wed Mar 15 18:15:00 PST 2000 by bwelling */ 21135446Strhodes 22135446Strhodes#ifndef RDATA_GENERIC_NS_2_C 23135446Strhodes#define RDATA_GENERIC_NS_2_C 24135446Strhodes 25135446Strhodes#define RRTYPE_NS_ATTRIBUTES (DNS_RDATATYPEATTR_ZONECUTAUTH) 26135446Strhodes 27135446Strhodesstatic inline isc_result_t 28135446Strhodesfromtext_ns(ARGS_FROMTEXT) { 29135446Strhodes isc_token_t token; 30135446Strhodes dns_name_t name; 31135446Strhodes isc_buffer_t buffer; 32135446Strhodes isc_boolean_t ok; 33135446Strhodes 34135446Strhodes REQUIRE(type == 2); 35135446Strhodes 36135446Strhodes UNUSED(type); 37135446Strhodes UNUSED(rdclass); 38135446Strhodes UNUSED(callbacks); 39135446Strhodes 40135446Strhodes RETERR(isc_lex_getmastertoken(lexer, &token,isc_tokentype_string, 41135446Strhodes ISC_FALSE)); 42135446Strhodes 43135446Strhodes dns_name_init(&name, NULL); 44135446Strhodes buffer_fromregion(&buffer, &token.value.as_region); 45135446Strhodes origin = (origin != NULL) ? origin : dns_rootname; 46135446Strhodes RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target)); 47135446Strhodes ok = ISC_TRUE; 48135446Strhodes if ((options & DNS_RDATA_CHECKNAMES) != 0) 49135446Strhodes ok = dns_name_ishostname(&name, ISC_FALSE); 50135446Strhodes if (!ok && (options & DNS_RDATA_CHECKNAMESFAIL) != 0) 51135446Strhodes RETTOK(DNS_R_BADNAME); 52135446Strhodes if (!ok && callbacks != NULL) 53135446Strhodes warn_badname(&name, lexer, callbacks); 54135446Strhodes return (ISC_R_SUCCESS); 55135446Strhodes} 56135446Strhodes 57135446Strhodesstatic inline isc_result_t 58135446Strhodestotext_ns(ARGS_TOTEXT) { 59135446Strhodes isc_region_t region; 60135446Strhodes dns_name_t name; 61135446Strhodes dns_name_t prefix; 62135446Strhodes isc_boolean_t sub; 63135446Strhodes 64135446Strhodes REQUIRE(rdata->type == 2); 65135446Strhodes REQUIRE(rdata->length != 0); 66135446Strhodes 67135446Strhodes dns_name_init(&name, NULL); 68135446Strhodes dns_name_init(&prefix, NULL); 69135446Strhodes 70135446Strhodes dns_rdata_toregion(rdata, ®ion); 71135446Strhodes dns_name_fromregion(&name, ®ion); 72135446Strhodes 73135446Strhodes sub = name_prefix(&name, tctx->origin, &prefix); 74135446Strhodes 75135446Strhodes return (dns_name_totext(&prefix, sub, target)); 76135446Strhodes} 77135446Strhodes 78135446Strhodesstatic inline isc_result_t 79135446Strhodesfromwire_ns(ARGS_FROMWIRE) { 80224092Sdougb dns_name_t name; 81135446Strhodes 82135446Strhodes REQUIRE(type == 2); 83135446Strhodes 84135446Strhodes UNUSED(type); 85135446Strhodes UNUSED(rdclass); 86135446Strhodes 87135446Strhodes dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14); 88135446Strhodes 89224092Sdougb dns_name_init(&name, NULL); 90224092Sdougb return (dns_name_fromwire(&name, source, dctx, options, target)); 91135446Strhodes} 92135446Strhodes 93135446Strhodesstatic inline isc_result_t 94135446Strhodestowire_ns(ARGS_TOWIRE) { 95135446Strhodes dns_name_t name; 96135446Strhodes dns_offsets_t offsets; 97135446Strhodes isc_region_t region; 98135446Strhodes 99135446Strhodes REQUIRE(rdata->type == 2); 100135446Strhodes REQUIRE(rdata->length != 0); 101135446Strhodes 102135446Strhodes dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14); 103135446Strhodes 104135446Strhodes dns_name_init(&name, offsets); 105135446Strhodes dns_rdata_toregion(rdata, ®ion); 106135446Strhodes dns_name_fromregion(&name, ®ion); 107135446Strhodes 108135446Strhodes return (dns_name_towire(&name, cctx, target)); 109135446Strhodes} 110135446Strhodes 111135446Strhodesstatic inline int 112135446Strhodescompare_ns(ARGS_COMPARE) { 113135446Strhodes dns_name_t name1; 114135446Strhodes dns_name_t name2; 115135446Strhodes isc_region_t region1; 116135446Strhodes isc_region_t region2; 117135446Strhodes 118135446Strhodes REQUIRE(rdata1->type == rdata2->type); 119135446Strhodes REQUIRE(rdata1->rdclass == rdata2->rdclass); 120135446Strhodes REQUIRE(rdata1->type == 2); 121135446Strhodes REQUIRE(rdata1->length != 0); 122135446Strhodes REQUIRE(rdata2->length != 0); 123135446Strhodes 124135446Strhodes dns_name_init(&name1, NULL); 125135446Strhodes dns_name_init(&name2, NULL); 126135446Strhodes 127135446Strhodes dns_rdata_toregion(rdata1, ®ion1); 128135446Strhodes dns_rdata_toregion(rdata2, ®ion2); 129135446Strhodes 130135446Strhodes dns_name_fromregion(&name1, ®ion1); 131135446Strhodes dns_name_fromregion(&name2, ®ion2); 132135446Strhodes 133135446Strhodes return (dns_name_rdatacompare(&name1, &name2)); 134135446Strhodes} 135135446Strhodes 136135446Strhodesstatic inline isc_result_t 137135446Strhodesfromstruct_ns(ARGS_FROMSTRUCT) { 138135446Strhodes dns_rdata_ns_t *ns = source; 139135446Strhodes isc_region_t region; 140135446Strhodes 141135446Strhodes REQUIRE(type == 2); 142135446Strhodes REQUIRE(source != NULL); 143135446Strhodes REQUIRE(ns->common.rdtype == type); 144135446Strhodes REQUIRE(ns->common.rdclass == rdclass); 145135446Strhodes 146135446Strhodes UNUSED(type); 147135446Strhodes UNUSED(rdclass); 148135446Strhodes 149135446Strhodes dns_name_toregion(&ns->name, ®ion); 150135446Strhodes return (isc_buffer_copyregion(target, ®ion)); 151135446Strhodes} 152135446Strhodes 153135446Strhodesstatic inline isc_result_t 154135446Strhodestostruct_ns(ARGS_TOSTRUCT) { 155135446Strhodes isc_region_t region; 156135446Strhodes dns_rdata_ns_t *ns = target; 157135446Strhodes dns_name_t name; 158135446Strhodes 159135446Strhodes REQUIRE(rdata->type == 2); 160135446Strhodes REQUIRE(target != NULL); 161135446Strhodes REQUIRE(rdata->length != 0); 162135446Strhodes 163135446Strhodes ns->common.rdclass = rdata->rdclass; 164135446Strhodes ns->common.rdtype = rdata->type; 165135446Strhodes ISC_LINK_INIT(&ns->common, link); 166135446Strhodes 167135446Strhodes dns_name_init(&name, NULL); 168135446Strhodes dns_rdata_toregion(rdata, ®ion); 169135446Strhodes dns_name_fromregion(&name, ®ion); 170135446Strhodes dns_name_init(&ns->name, NULL); 171135446Strhodes RETERR(name_duporclone(&name, mctx, &ns->name)); 172135446Strhodes ns->mctx = mctx; 173135446Strhodes return (ISC_R_SUCCESS); 174135446Strhodes} 175135446Strhodes 176135446Strhodesstatic inline void 177135446Strhodesfreestruct_ns(ARGS_FREESTRUCT) { 178135446Strhodes dns_rdata_ns_t *ns = source; 179135446Strhodes 180135446Strhodes REQUIRE(source != NULL); 181135446Strhodes 182135446Strhodes if (ns->mctx == NULL) 183135446Strhodes return; 184135446Strhodes 185135446Strhodes dns_name_free(&ns->name, ns->mctx); 186135446Strhodes ns->mctx = NULL; 187135446Strhodes} 188135446Strhodes 189135446Strhodesstatic inline isc_result_t 190135446Strhodesadditionaldata_ns(ARGS_ADDLDATA) { 191135446Strhodes dns_name_t name; 192135446Strhodes dns_offsets_t offsets; 193135446Strhodes isc_region_t region; 194135446Strhodes 195135446Strhodes REQUIRE(rdata->type == 2); 196135446Strhodes 197135446Strhodes dns_name_init(&name, offsets); 198135446Strhodes dns_rdata_toregion(rdata, ®ion); 199135446Strhodes dns_name_fromregion(&name, ®ion); 200135446Strhodes 201135446Strhodes return ((add)(arg, &name, dns_rdatatype_a)); 202135446Strhodes} 203135446Strhodes 204135446Strhodesstatic inline isc_result_t 205135446Strhodesdigest_ns(ARGS_DIGEST) { 206135446Strhodes isc_region_t r; 207135446Strhodes dns_name_t name; 208135446Strhodes 209135446Strhodes REQUIRE(rdata->type == 2); 210135446Strhodes 211135446Strhodes dns_rdata_toregion(rdata, &r); 212135446Strhodes dns_name_init(&name, NULL); 213135446Strhodes dns_name_fromregion(&name, &r); 214135446Strhodes 215135446Strhodes return (dns_name_digest(&name, digest, arg)); 216135446Strhodes} 217135446Strhodes 218135446Strhodesstatic inline isc_boolean_t 219135446Strhodescheckowner_ns(ARGS_CHECKOWNER) { 220135446Strhodes 221135446Strhodes REQUIRE(type == 2); 222135446Strhodes 223135446Strhodes UNUSED(name); 224135446Strhodes UNUSED(type); 225135446Strhodes UNUSED(rdclass); 226135446Strhodes UNUSED(wildcard); 227135446Strhodes 228135446Strhodes return (ISC_TRUE); 229135446Strhodes} 230135446Strhodes 231135446Strhodesstatic inline isc_boolean_t 232135446Strhodeschecknames_ns(ARGS_CHECKNAMES) { 233135446Strhodes isc_region_t region; 234135446Strhodes dns_name_t name; 235135446Strhodes 236135446Strhodes REQUIRE(rdata->type == 2); 237135446Strhodes 238135446Strhodes UNUSED(owner); 239135446Strhodes 240135446Strhodes dns_rdata_toregion(rdata, ®ion); 241135446Strhodes dns_name_init(&name, NULL); 242135446Strhodes dns_name_fromregion(&name, ®ion); 243135446Strhodes if (!dns_name_ishostname(&name, ISC_FALSE)) { 244135446Strhodes if (bad != NULL) 245135446Strhodes dns_name_clone(&name, bad); 246135446Strhodes return (ISC_FALSE); 247135446Strhodes } 248135446Strhodes return (ISC_TRUE); 249135446Strhodes} 250135446Strhodes 251224092Sdougbstatic inline int 252224092Sdougbcasecompare_ns(ARGS_COMPARE) { 253224092Sdougb return (compare_ns(rdata1, rdata2)); 254224092Sdougb} 255224092Sdougb 256135446Strhodes#endif /* RDATA_GENERIC_NS_2_C */ 257