mb_7.c revision 1.8
1 /* $NetBSD: mb_7.c,v 1.8 2024/02/21 22:52:13 christos Exp $ */ 2 3 /* 4 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 5 * 6 * SPDX-License-Identifier: MPL-2.0 7 * 8 * This Source Code Form is subject to the terms of the Mozilla Public 9 * License, v. 2.0. If a copy of the MPL was not distributed with this 10 * file, you can obtain one at https://mozilla.org/MPL/2.0/. 11 * 12 * See the COPYRIGHT file distributed with this work for additional 13 * information regarding copyright ownership. 14 */ 15 16 #ifndef RDATA_GENERIC_MB_7_C 17 #define RDATA_GENERIC_MB_7_C 18 19 #define RRTYPE_MB_ATTRIBUTES (0) 20 21 static isc_result_t 22 fromtext_mb(ARGS_FROMTEXT) { 23 isc_token_t token; 24 dns_name_t name; 25 isc_buffer_t buffer; 26 27 REQUIRE(type == dns_rdatatype_mb); 28 29 UNUSED(type); 30 UNUSED(rdclass); 31 UNUSED(callbacks); 32 33 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, 34 false)); 35 36 dns_name_init(&name, NULL); 37 buffer_fromregion(&buffer, &token.value.as_region); 38 if (origin == NULL) { 39 origin = dns_rootname; 40 } 41 RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target)); 42 return (ISC_R_SUCCESS); 43 } 44 45 static isc_result_t 46 totext_mb(ARGS_TOTEXT) { 47 isc_region_t region; 48 dns_name_t name; 49 dns_name_t prefix; 50 bool sub; 51 52 REQUIRE(rdata->type == dns_rdatatype_mb); 53 REQUIRE(rdata->length != 0); 54 55 dns_name_init(&name, NULL); 56 dns_name_init(&prefix, NULL); 57 58 dns_rdata_toregion(rdata, ®ion); 59 dns_name_fromregion(&name, ®ion); 60 61 sub = name_prefix(&name, tctx->origin, &prefix); 62 63 return (dns_name_totext(&prefix, sub, target)); 64 } 65 66 static isc_result_t 67 fromwire_mb(ARGS_FROMWIRE) { 68 dns_name_t name; 69 70 REQUIRE(type == dns_rdatatype_mb); 71 72 UNUSED(type); 73 UNUSED(rdclass); 74 75 dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14); 76 77 dns_name_init(&name, NULL); 78 return (dns_name_fromwire(&name, source, dctx, options, target)); 79 } 80 81 static isc_result_t 82 towire_mb(ARGS_TOWIRE) { 83 dns_name_t name; 84 dns_offsets_t offsets; 85 isc_region_t region; 86 87 REQUIRE(rdata->type == dns_rdatatype_mb); 88 REQUIRE(rdata->length != 0); 89 90 dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14); 91 92 dns_name_init(&name, offsets); 93 dns_rdata_toregion(rdata, ®ion); 94 dns_name_fromregion(&name, ®ion); 95 96 return (dns_name_towire(&name, cctx, target)); 97 } 98 99 static int 100 compare_mb(ARGS_COMPARE) { 101 dns_name_t name1; 102 dns_name_t name2; 103 isc_region_t region1; 104 isc_region_t region2; 105 106 REQUIRE(rdata1->type == rdata2->type); 107 REQUIRE(rdata1->rdclass == rdata2->rdclass); 108 REQUIRE(rdata1->type == dns_rdatatype_mb); 109 REQUIRE(rdata1->length != 0); 110 REQUIRE(rdata2->length != 0); 111 112 dns_name_init(&name1, NULL); 113 dns_name_init(&name2, NULL); 114 115 dns_rdata_toregion(rdata1, ®ion1); 116 dns_rdata_toregion(rdata2, ®ion2); 117 118 dns_name_fromregion(&name1, ®ion1); 119 dns_name_fromregion(&name2, ®ion2); 120 121 return (dns_name_rdatacompare(&name1, &name2)); 122 } 123 124 static isc_result_t 125 fromstruct_mb(ARGS_FROMSTRUCT) { 126 dns_rdata_mb_t *mb = source; 127 isc_region_t region; 128 129 REQUIRE(type == dns_rdatatype_mb); 130 REQUIRE(mb != NULL); 131 REQUIRE(mb->common.rdtype == type); 132 REQUIRE(mb->common.rdclass == rdclass); 133 134 UNUSED(type); 135 UNUSED(rdclass); 136 137 dns_name_toregion(&mb->mb, ®ion); 138 return (isc_buffer_copyregion(target, ®ion)); 139 } 140 141 static isc_result_t 142 tostruct_mb(ARGS_TOSTRUCT) { 143 isc_region_t region; 144 dns_rdata_mb_t *mb = target; 145 dns_name_t name; 146 147 REQUIRE(rdata->type == dns_rdatatype_mb); 148 REQUIRE(mb != NULL); 149 REQUIRE(rdata->length != 0); 150 151 mb->common.rdclass = rdata->rdclass; 152 mb->common.rdtype = rdata->type; 153 ISC_LINK_INIT(&mb->common, link); 154 155 dns_name_init(&name, NULL); 156 dns_rdata_toregion(rdata, ®ion); 157 dns_name_fromregion(&name, ®ion); 158 dns_name_init(&mb->mb, NULL); 159 name_duporclone(&name, mctx, &mb->mb); 160 mb->mctx = mctx; 161 return (ISC_R_SUCCESS); 162 } 163 164 static void 165 freestruct_mb(ARGS_FREESTRUCT) { 166 dns_rdata_mb_t *mb = source; 167 168 REQUIRE(mb != NULL); 169 170 if (mb->mctx == NULL) { 171 return; 172 } 173 174 dns_name_free(&mb->mb, mb->mctx); 175 mb->mctx = NULL; 176 } 177 178 static isc_result_t 179 additionaldata_mb(ARGS_ADDLDATA) { 180 dns_name_t name; 181 dns_offsets_t offsets; 182 isc_region_t region; 183 184 REQUIRE(rdata->type == dns_rdatatype_mb); 185 186 UNUSED(owner); 187 188 dns_name_init(&name, offsets); 189 dns_rdata_toregion(rdata, ®ion); 190 dns_name_fromregion(&name, ®ion); 191 192 return ((add)(arg, &name, dns_rdatatype_a, NULL)); 193 } 194 195 static isc_result_t 196 digest_mb(ARGS_DIGEST) { 197 isc_region_t r; 198 dns_name_t name; 199 200 REQUIRE(rdata->type == dns_rdatatype_mb); 201 202 dns_rdata_toregion(rdata, &r); 203 dns_name_init(&name, NULL); 204 dns_name_fromregion(&name, &r); 205 206 return (dns_name_digest(&name, digest, arg)); 207 } 208 209 static bool 210 checkowner_mb(ARGS_CHECKOWNER) { 211 REQUIRE(type == dns_rdatatype_mb); 212 213 UNUSED(type); 214 UNUSED(rdclass); 215 UNUSED(wildcard); 216 217 return (dns_name_ismailbox(name)); 218 } 219 220 static bool 221 checknames_mb(ARGS_CHECKNAMES) { 222 REQUIRE(rdata->type == dns_rdatatype_mb); 223 224 UNUSED(rdata); 225 UNUSED(owner); 226 UNUSED(bad); 227 228 return (true); 229 } 230 231 static int 232 casecompare_mb(ARGS_COMPARE) { 233 return (compare_mb(rdata1, rdata2)); 234 } 235 236 #endif /* RDATA_GENERIC_MB_7_C */ 237
Indexes created Sun Mar 01 05:31:48 UTC 2026