1 /* $NetBSD: mf_4.c,v 1.1 2024/02/18 20:57:42 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_MF_4_C 17 #define RDATA_GENERIC_MF_4_C 18 19 #define RRTYPE_MF_ATTRIBUTES (0) 20 21 static isc_result_t 22 fromtext_mf(ARGS_FROMTEXT) { 23 isc_token_t token; 24 dns_name_t name; 25 isc_buffer_t buffer; 26 27 REQUIRE(type == dns_rdatatype_mf); 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_mf(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_mf); 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_mf(ARGS_FROMWIRE) { 68 dns_name_t name; 69 70 REQUIRE(type == dns_rdatatype_mf); 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_mf(ARGS_TOWIRE) { 83 dns_name_t name; 84 dns_offsets_t offsets; 85 isc_region_t region; 86 87 REQUIRE(rdata->type == dns_rdatatype_mf); 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_mf(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_mf); 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_mf(ARGS_FROMSTRUCT) { 126 dns_rdata_mf_t *mf = source; 127 isc_region_t region; 128 129 REQUIRE(type == dns_rdatatype_mf); 130 REQUIRE(mf != NULL); 131 REQUIRE(mf->common.rdtype == type); 132 REQUIRE(mf->common.rdclass == rdclass); 133 134 UNUSED(type); 135 UNUSED(rdclass); 136 137 dns_name_toregion(&mf->mf, ®ion); 138 return (isc_buffer_copyregion(target, ®ion)); 139 } 140 141 static isc_result_t 142 tostruct_mf(ARGS_TOSTRUCT) { 143 dns_rdata_mf_t *mf = target; 144 isc_region_t r; 145 dns_name_t name; 146 147 REQUIRE(rdata->type == dns_rdatatype_mf); 148 REQUIRE(mf != NULL); 149 REQUIRE(rdata->length != 0); 150 151 mf->common.rdclass = rdata->rdclass; 152 mf->common.rdtype = rdata->type; 153 ISC_LINK_INIT(&mf->common, link); 154 155 dns_name_init(&name, NULL); 156 dns_rdata_toregion(rdata, &r); 157 dns_name_fromregion(&name, &r); 158 dns_name_init(&mf->mf, NULL); 159 RETERR(name_duporclone(&name, mctx, &mf->mf)); 160 mf->mctx = mctx; 161 return (ISC_R_SUCCESS); 162 } 163 164 static void 165 freestruct_mf(ARGS_FREESTRUCT) { 166 dns_rdata_mf_t *mf = source; 167 168 REQUIRE(mf != NULL); 169 REQUIRE(mf->common.rdtype == dns_rdatatype_mf); 170 171 if (mf->mctx == NULL) { 172 return; 173 } 174 dns_name_free(&mf->mf, mf->mctx); 175 mf->mctx = NULL; 176 } 177 178 static isc_result_t 179 additionaldata_mf(ARGS_ADDLDATA) { 180 dns_name_t name; 181 dns_offsets_t offsets; 182 isc_region_t region; 183 184 REQUIRE(rdata->type == dns_rdatatype_mf); 185 186 dns_name_init(&name, offsets); 187 dns_rdata_toregion(rdata, ®ion); 188 dns_name_fromregion(&name, ®ion); 189 190 return ((add)(arg, &name, dns_rdatatype_a)); 191 } 192 193 static isc_result_t 194 digest_mf(ARGS_DIGEST) { 195 isc_region_t r; 196 dns_name_t name; 197 198 REQUIRE(rdata->type == dns_rdatatype_mf); 199 200 dns_rdata_toregion(rdata, &r); 201 dns_name_init(&name, NULL); 202 dns_name_fromregion(&name, &r); 203 204 return (dns_name_digest(&name, digest, arg)); 205 } 206 207 static bool 208 checkowner_mf(ARGS_CHECKOWNER) { 209 REQUIRE(type == dns_rdatatype_mf); 210 211 UNUSED(name); 212 UNUSED(type); 213 UNUSED(rdclass); 214 UNUSED(wildcard); 215 216 return (true); 217 } 218 219 static bool 220 checknames_mf(ARGS_CHECKNAMES) { 221 REQUIRE(rdata->type == dns_rdatatype_mf); 222 223 UNUSED(rdata); 224 UNUSED(owner); 225 UNUSED(bad); 226 227 return (true); 228 } 229 230 static int 231 casecompare_mf(ARGS_COMPARE) { 232 return (compare_mf(rdata1, rdata2)); 233 } 234 235 #endif /* RDATA_GENERIC_MF_4_C */ 236
Indexes created Sun Mar 01 05:31:48 UTC 2026