1/* 2 * Copyright (C) 2004, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") 3 * Copyright (C) 1998-2001 Internet Software Consortium. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15 * PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18/* $Id: mg_8.c,v 1.45 2009/12/04 22:06:37 tbox Exp $ */ 19 20/* reviewed: Wed Mar 15 17:49:21 PST 2000 by brister */ 21 22#ifndef RDATA_GENERIC_MG_8_C 23#define RDATA_GENERIC_MG_8_C 24 25#define RRTYPE_MG_ATTRIBUTES (0) 26 27static inline isc_result_t 28fromtext_mg(ARGS_FROMTEXT) { 29 isc_token_t token; 30 dns_name_t name; 31 isc_buffer_t buffer; 32 33 REQUIRE(type == 8); 34 35 UNUSED(type); 36 UNUSED(rdclass); 37 UNUSED(callbacks); 38 39 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, 40 ISC_FALSE)); 41 42 dns_name_init(&name, NULL); 43 buffer_fromregion(&buffer, &token.value.as_region); 44 origin = (origin != NULL) ? origin : dns_rootname; 45 RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target)); 46 return (ISC_R_SUCCESS); 47} 48 49static inline isc_result_t 50totext_mg(ARGS_TOTEXT) { 51 isc_region_t region; 52 dns_name_t name; 53 dns_name_t prefix; 54 isc_boolean_t sub; 55 56 REQUIRE(rdata->type == 8); 57 REQUIRE(rdata->length != 0); 58 59 dns_name_init(&name, NULL); 60 dns_name_init(&prefix, NULL); 61 62 dns_rdata_toregion(rdata, ®ion); 63 dns_name_fromregion(&name, ®ion); 64 65 sub = name_prefix(&name, tctx->origin, &prefix); 66 67 return (dns_name_totext(&prefix, sub, target)); 68} 69 70static inline isc_result_t 71fromwire_mg(ARGS_FROMWIRE) { 72 dns_name_t name; 73 74 REQUIRE(type == 8); 75 76 UNUSED(type); 77 UNUSED(rdclass); 78 79 dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14); 80 81 dns_name_init(&name, NULL); 82 return (dns_name_fromwire(&name, source, dctx, options, target)); 83} 84 85static inline isc_result_t 86towire_mg(ARGS_TOWIRE) { 87 dns_name_t name; 88 dns_offsets_t offsets; 89 isc_region_t region; 90 91 REQUIRE(rdata->type == 8); 92 REQUIRE(rdata->length != 0); 93 94 dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14); 95 96 dns_name_init(&name, offsets); 97 dns_rdata_toregion(rdata, ®ion); 98 dns_name_fromregion(&name, ®ion); 99 100 return (dns_name_towire(&name, cctx, target)); 101} 102 103static inline int 104compare_mg(ARGS_COMPARE) { 105 dns_name_t name1; 106 dns_name_t name2; 107 isc_region_t region1; 108 isc_region_t region2; 109 110 REQUIRE(rdata1->type == rdata2->type); 111 REQUIRE(rdata1->rdclass == rdata2->rdclass); 112 REQUIRE(rdata1->type == 8); 113 REQUIRE(rdata1->length != 0); 114 REQUIRE(rdata2->length != 0); 115 116 dns_name_init(&name1, NULL); 117 dns_name_init(&name2, NULL); 118 119 dns_rdata_toregion(rdata1, ®ion1); 120 dns_rdata_toregion(rdata2, ®ion2); 121 122 dns_name_fromregion(&name1, ®ion1); 123 dns_name_fromregion(&name2, ®ion2); 124 125 return (dns_name_rdatacompare(&name1, &name2)); 126} 127 128static inline isc_result_t 129fromstruct_mg(ARGS_FROMSTRUCT) { 130 dns_rdata_mg_t *mg = source; 131 isc_region_t region; 132 133 REQUIRE(type == 8); 134 REQUIRE(source != NULL); 135 REQUIRE(mg->common.rdtype == type); 136 REQUIRE(mg->common.rdclass == rdclass); 137 138 UNUSED(type); 139 UNUSED(rdclass); 140 141 dns_name_toregion(&mg->mg, ®ion); 142 return (isc_buffer_copyregion(target, ®ion)); 143} 144 145static inline isc_result_t 146tostruct_mg(ARGS_TOSTRUCT) { 147 isc_region_t region; 148 dns_rdata_mg_t *mg = target; 149 dns_name_t name; 150 151 REQUIRE(rdata->type == 8); 152 REQUIRE(target != NULL); 153 REQUIRE(rdata->length != 0); 154 155 mg->common.rdclass = rdata->rdclass; 156 mg->common.rdtype = rdata->type; 157 ISC_LINK_INIT(&mg->common, link); 158 159 dns_name_init(&name, NULL); 160 dns_rdata_toregion(rdata, ®ion); 161 dns_name_fromregion(&name, ®ion); 162 dns_name_init(&mg->mg, NULL); 163 RETERR(name_duporclone(&name, mctx, &mg->mg)); 164 mg->mctx = mctx; 165 return (ISC_R_SUCCESS); 166} 167 168static inline void 169freestruct_mg(ARGS_FREESTRUCT) { 170 dns_rdata_mg_t *mg = source; 171 172 REQUIRE(source != NULL); 173 REQUIRE(mg->common.rdtype == 8); 174 175 if (mg->mctx == NULL) 176 return; 177 dns_name_free(&mg->mg, mg->mctx); 178 mg->mctx = NULL; 179} 180 181static inline isc_result_t 182additionaldata_mg(ARGS_ADDLDATA) { 183 REQUIRE(rdata->type == 8); 184 185 UNUSED(add); 186 UNUSED(arg); 187 UNUSED(rdata); 188 189 return (ISC_R_SUCCESS); 190} 191 192static inline isc_result_t 193digest_mg(ARGS_DIGEST) { 194 isc_region_t r; 195 dns_name_t name; 196 197 REQUIRE(rdata->type == 8); 198 199 dns_rdata_toregion(rdata, &r); 200 dns_name_init(&name, NULL); 201 dns_name_fromregion(&name, &r); 202 203 return (dns_name_digest(&name, digest, arg)); 204} 205 206static inline isc_boolean_t 207checkowner_mg(ARGS_CHECKOWNER) { 208 209 REQUIRE(type == 8); 210 211 UNUSED(type); 212 UNUSED(rdclass); 213 UNUSED(wildcard); 214 215 return (dns_name_ismailbox(name)); 216} 217 218static inline isc_boolean_t 219checknames_mg(ARGS_CHECKNAMES) { 220 221 REQUIRE(rdata->type == 8); 222 223 UNUSED(rdata); 224 UNUSED(owner); 225 UNUSED(bad); 226 227 return (ISC_TRUE); 228} 229 230static inline int 231casecompare_mg(ARGS_COMPARE) { 232 return (compare_mg(rdata1, rdata2)); 233} 234 235#endif /* RDATA_GENERIC_MG_8_C */ 236