1 /* $NetBSD: nid_104.c,v 1.10 2026/01/29 18:37:52 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_NID_104_C 17 #define RDATA_GENERIC_NID_104_C 18 19 #include <string.h> 20 21 #include <isc/net.h> 22 23 #define RRTYPE_NID_ATTRIBUTES (0) 24 25 static isc_result_t 26 fromtext_nid(ARGS_FROMTEXT) { 27 isc_token_t token; 28 unsigned char locator[NS_LOCATORSZ]; 29 30 REQUIRE(type == dns_rdatatype_nid); 31 32 UNUSED(type); 33 UNUSED(rdclass); 34 UNUSED(origin); 35 UNUSED(options); 36 UNUSED(callbacks); 37 38 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, 39 false)); 40 if (token.value.as_ulong > 0xffffU) { 41 RETTOK(ISC_R_RANGE); 42 } 43 RETERR(uint16_tobuffer(token.value.as_ulong, target)); 44 45 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, 46 false)); 47 48 if (locator_pton(DNS_AS_STR(token), locator) != 1) { 49 RETTOK(DNS_R_SYNTAX); 50 } 51 return mem_tobuffer(target, locator, NS_LOCATORSZ); 52 } 53 54 static isc_result_t 55 totext_nid(ARGS_TOTEXT) { 56 isc_region_t region; 57 char buf[sizeof("xxxx:xxxx:xxxx:xxxx")]; 58 unsigned short num; 59 60 REQUIRE(rdata->type == dns_rdatatype_nid); 61 REQUIRE(rdata->length != 0); 62 63 UNUSED(tctx); 64 65 dns_rdata_toregion(rdata, ®ion); 66 num = uint16_fromregion(®ion); 67 isc_region_consume(®ion, 2); 68 snprintf(buf, sizeof(buf), "%u", num); 69 RETERR(str_totext(buf, target)); 70 71 RETERR(str_totext(" ", target)); 72 73 snprintf(buf, sizeof(buf), "%x:%x:%x:%x", 74 region.base[0] << 8 | region.base[1], 75 region.base[2] << 8 | region.base[3], 76 region.base[4] << 8 | region.base[5], 77 region.base[6] << 8 | region.base[7]); 78 return str_totext(buf, target); 79 } 80 81 static isc_result_t 82 fromwire_nid(ARGS_FROMWIRE) { 83 isc_region_t sregion; 84 85 REQUIRE(type == dns_rdatatype_nid); 86 87 UNUSED(type); 88 UNUSED(rdclass); 89 UNUSED(dctx); 90 91 isc_buffer_activeregion(source, &sregion); 92 if (sregion.length != 10) { 93 return DNS_R_FORMERR; 94 } 95 isc_buffer_forward(source, sregion.length); 96 return mem_tobuffer(target, sregion.base, sregion.length); 97 } 98 99 static isc_result_t 100 towire_nid(ARGS_TOWIRE) { 101 REQUIRE(rdata->type == dns_rdatatype_nid); 102 REQUIRE(rdata->length == 10); 103 104 UNUSED(cctx); 105 106 return mem_tobuffer(target, rdata->data, rdata->length); 107 } 108 109 static int 110 compare_nid(ARGS_COMPARE) { 111 isc_region_t region1; 112 isc_region_t region2; 113 114 REQUIRE(rdata1->type == rdata2->type); 115 REQUIRE(rdata1->rdclass == rdata2->rdclass); 116 REQUIRE(rdata1->type == dns_rdatatype_nid); 117 REQUIRE(rdata1->length == 10); 118 REQUIRE(rdata2->length == 10); 119 120 dns_rdata_toregion(rdata1, ®ion1); 121 dns_rdata_toregion(rdata2, ®ion2); 122 return isc_region_compare(®ion1, ®ion2); 123 } 124 125 static isc_result_t 126 fromstruct_nid(ARGS_FROMSTRUCT) { 127 dns_rdata_nid_t *nid = source; 128 129 REQUIRE(type == dns_rdatatype_nid); 130 REQUIRE(nid != NULL); 131 REQUIRE(nid->common.rdtype == type); 132 REQUIRE(nid->common.rdclass == rdclass); 133 134 UNUSED(type); 135 UNUSED(rdclass); 136 137 RETERR(uint16_tobuffer(nid->pref, target)); 138 return mem_tobuffer(target, nid->nid, sizeof(nid->nid)); 139 } 140 141 static isc_result_t 142 tostruct_nid(ARGS_TOSTRUCT) { 143 isc_region_t region; 144 dns_rdata_nid_t *nid = target; 145 146 REQUIRE(rdata->type == dns_rdatatype_nid); 147 REQUIRE(nid != NULL); 148 REQUIRE(rdata->length == 10); 149 150 UNUSED(mctx); 151 152 DNS_RDATACOMMON_INIT(nid, rdata->type, rdata->rdclass); 153 154 dns_rdata_toregion(rdata, ®ion); 155 nid->pref = uint16_fromregion(®ion); 156 memmove(nid->nid, region.base, region.length); 157 return ISC_R_SUCCESS; 158 } 159 160 static void 161 freestruct_nid(ARGS_FREESTRUCT) { 162 dns_rdata_nid_t *nid = source; 163 164 REQUIRE(nid != NULL); 165 REQUIRE(nid->common.rdtype == dns_rdatatype_nid); 166 167 return; 168 } 169 170 static isc_result_t 171 additionaldata_nid(ARGS_ADDLDATA) { 172 REQUIRE(rdata->type == dns_rdatatype_nid); 173 REQUIRE(rdata->length == 10); 174 175 UNUSED(rdata); 176 UNUSED(owner); 177 UNUSED(add); 178 UNUSED(arg); 179 180 return ISC_R_SUCCESS; 181 } 182 183 static isc_result_t 184 digest_nid(ARGS_DIGEST) { 185 isc_region_t r; 186 187 REQUIRE(rdata->type == dns_rdatatype_nid); 188 REQUIRE(rdata->length == 10); 189 190 dns_rdata_toregion(rdata, &r); 191 192 return (digest)(arg, &r); 193 } 194 195 static bool 196 checkowner_nid(ARGS_CHECKOWNER) { 197 REQUIRE(type == dns_rdatatype_nid); 198 199 UNUSED(name); 200 UNUSED(type); 201 UNUSED(rdclass); 202 UNUSED(wildcard); 203 204 return true; 205 } 206 207 static bool 208 checknames_nid(ARGS_CHECKNAMES) { 209 REQUIRE(rdata->type == dns_rdatatype_nid); 210 REQUIRE(rdata->length == 10); 211 212 UNUSED(rdata); 213 UNUSED(owner); 214 UNUSED(bad); 215 216 return true; 217 } 218 219 static int 220 casecompare_nid(ARGS_COMPARE) { 221 return compare_nid(rdata1, rdata2); 222 } 223 224 #endif /* RDATA_GENERIC_NID_104_C */ 225
Indexes created Sun Mar 01 05:31:48 UTC 2026