1 /* $NetBSD: eui64_109.c,v 1.6 2021/02/19 16:42:17 christos Exp $ */ 2 3 /* 4 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 5 * 6 * This Source Code Form is subject to the terms of the Mozilla Public 7 * License, v. 2.0. If a copy of the MPL was not distributed with this 8 * file, you can obtain one at https://mozilla.org/MPL/2.0/. 9 * 10 * See the COPYRIGHT file distributed with this work for additional 11 * information regarding copyright ownership. 12 */ 13 14 #ifndef RDATA_GENERIC_EUI64_109_C 15 #define RDATA_GENERIC_EUI64_109_C 16 17 #include <string.h> 18 19 #define RRTYPE_EUI64_ATTRIBUTES (0) 20 21 static inline isc_result_t 22 fromtext_eui64(ARGS_FROMTEXT) { 23 isc_token_t token; 24 unsigned char eui64[8]; 25 unsigned int l0, l1, l2, l3, l4, l5, l6, l7; 26 int n; 27 28 REQUIRE(type == dns_rdatatype_eui64); 29 30 UNUSED(type); 31 UNUSED(rdclass); 32 UNUSED(origin); 33 UNUSED(options); 34 UNUSED(callbacks); 35 36 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, 37 false)); 38 n = sscanf(DNS_AS_STR(token), "%2x-%2x-%2x-%2x-%2x-%2x-%2x-%2x", &l0, 39 &l1, &l2, &l3, &l4, &l5, &l6, &l7); 40 if (n != 8 || l0 > 255U || l1 > 255U || l2 > 255U || l3 > 255U || 41 l4 > 255U || l5 > 255U || l6 > 255U || l7 > 255U) 42 { 43 return (DNS_R_BADEUI); 44 } 45 46 eui64[0] = l0; 47 eui64[1] = l1; 48 eui64[2] = l2; 49 eui64[3] = l3; 50 eui64[4] = l4; 51 eui64[5] = l5; 52 eui64[6] = l6; 53 eui64[7] = l7; 54 return (mem_tobuffer(target, eui64, sizeof(eui64))); 55 } 56 57 static inline isc_result_t 58 totext_eui64(ARGS_TOTEXT) { 59 char buf[sizeof("xx-xx-xx-xx-xx-xx-xx-xx")]; 60 61 REQUIRE(rdata->type == dns_rdatatype_eui64); 62 REQUIRE(rdata->length == 8); 63 64 UNUSED(tctx); 65 66 (void)snprintf( 67 buf, sizeof(buf), "%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x", 68 rdata->data[0], rdata->data[1], rdata->data[2], rdata->data[3], 69 rdata->data[4], rdata->data[5], rdata->data[6], rdata->data[7]); 70 return (str_totext(buf, target)); 71 } 72 73 static inline isc_result_t 74 fromwire_eui64(ARGS_FROMWIRE) { 75 isc_region_t sregion; 76 77 REQUIRE(type == dns_rdatatype_eui64); 78 79 UNUSED(type); 80 UNUSED(options); 81 UNUSED(rdclass); 82 UNUSED(dctx); 83 84 isc_buffer_activeregion(source, &sregion); 85 if (sregion.length != 8) { 86 return (DNS_R_FORMERR); 87 } 88 isc_buffer_forward(source, sregion.length); 89 return (mem_tobuffer(target, sregion.base, sregion.length)); 90 } 91 92 static inline isc_result_t 93 towire_eui64(ARGS_TOWIRE) { 94 REQUIRE(rdata->type == dns_rdatatype_eui64); 95 REQUIRE(rdata->length == 8); 96 97 UNUSED(cctx); 98 99 return (mem_tobuffer(target, rdata->data, rdata->length)); 100 } 101 102 static inline int 103 compare_eui64(ARGS_COMPARE) { 104 isc_region_t region1; 105 isc_region_t region2; 106 107 REQUIRE(rdata1->type == rdata2->type); 108 REQUIRE(rdata1->rdclass == rdata2->rdclass); 109 REQUIRE(rdata1->type == dns_rdatatype_eui64); 110 REQUIRE(rdata1->length == 8); 111 REQUIRE(rdata2->length == 8); 112 113 dns_rdata_toregion(rdata1, ®ion1); 114 dns_rdata_toregion(rdata2, ®ion2); 115 return (isc_region_compare(®ion1, ®ion2)); 116 } 117 118 static inline isc_result_t 119 fromstruct_eui64(ARGS_FROMSTRUCT) { 120 dns_rdata_eui64_t *eui64 = source; 121 122 REQUIRE(type == dns_rdatatype_eui64); 123 REQUIRE(eui64 != NULL); 124 REQUIRE(eui64->common.rdtype == type); 125 REQUIRE(eui64->common.rdclass == rdclass); 126 127 UNUSED(type); 128 UNUSED(rdclass); 129 130 return (mem_tobuffer(target, eui64->eui64, sizeof(eui64->eui64))); 131 } 132 133 static inline isc_result_t 134 tostruct_eui64(ARGS_TOSTRUCT) { 135 dns_rdata_eui64_t *eui64 = target; 136 137 REQUIRE(rdata->type == dns_rdatatype_eui64); 138 REQUIRE(eui64 != NULL); 139 REQUIRE(rdata->length == 8); 140 141 UNUSED(mctx); 142 143 eui64->common.rdclass = rdata->rdclass; 144 eui64->common.rdtype = rdata->type; 145 ISC_LINK_INIT(&eui64->common, link); 146 147 memmove(eui64->eui64, rdata->data, rdata->length); 148 return (ISC_R_SUCCESS); 149 } 150 151 static inline void 152 freestruct_eui64(ARGS_FREESTRUCT) { 153 dns_rdata_eui64_t *eui64 = source; 154 155 REQUIRE(eui64 != NULL); 156 REQUIRE(eui64->common.rdtype == dns_rdatatype_eui64); 157 158 return; 159 } 160 161 static inline isc_result_t 162 additionaldata_eui64(ARGS_ADDLDATA) { 163 REQUIRE(rdata->type == dns_rdatatype_eui64); 164 REQUIRE(rdata->length == 8); 165 166 UNUSED(rdata); 167 UNUSED(add); 168 UNUSED(arg); 169 170 return (ISC_R_SUCCESS); 171 } 172 173 static inline isc_result_t 174 digest_eui64(ARGS_DIGEST) { 175 isc_region_t r; 176 177 REQUIRE(rdata->type == dns_rdatatype_eui64); 178 REQUIRE(rdata->length == 8); 179 180 dns_rdata_toregion(rdata, &r); 181 182 return ((digest)(arg, &r)); 183 } 184 185 static inline bool 186 checkowner_eui64(ARGS_CHECKOWNER) { 187 REQUIRE(type == dns_rdatatype_eui64); 188 189 UNUSED(name); 190 UNUSED(type); 191 UNUSED(rdclass); 192 UNUSED(wildcard); 193 194 return (true); 195 } 196 197 static inline bool 198 checknames_eui64(ARGS_CHECKNAMES) { 199 REQUIRE(rdata->type == dns_rdatatype_eui64); 200 REQUIRE(rdata->length == 8); 201 202 UNUSED(rdata); 203 UNUSED(owner); 204 UNUSED(bad); 205 206 return (true); 207 } 208 209 static inline int 210 casecompare_eui64(ARGS_COMPARE) { 211 return (compare_eui64(rdata1, rdata2)); 212 } 213 214 #endif /* RDATA_GENERIC_EUI64_109_C */ 215