eui48_108.c revision 253592
1/* 2 * Copyright (C) 2013 Internet Systems Consortium, Inc. ("ISC") 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 10 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 14 * PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17#ifndef RDATA_GENERIC_EUI48_108_C 18#define RDATA_GENERIC_EUI48_108_C 19 20#include <string.h> 21 22#define RRTYPE_EUI48_ATTRIBUTES (0) 23 24static inline isc_result_t 25fromtext_eui48(ARGS_FROMTEXT) { 26 isc_token_t token; 27 unsigned char eui48[6]; 28 unsigned int l0, l1, l2, l3, l4, l5; 29 int n; 30 31 REQUIRE(type == 108); 32 33 UNUSED(type); 34 UNUSED(rdclass); 35 UNUSED(origin); 36 UNUSED(options); 37 UNUSED(callbacks); 38 39 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, 40 ISC_FALSE)); 41 n = sscanf(DNS_AS_STR(token), "%2x-%2x-%2x-%2x-%2x-%2x", 42 &l0, &l1, &l2, &l3, &l4, &l5); 43 if (n != 6 || l0 > 255U || l1 > 255U || l2 > 255U || l3 > 255U || 44 l4 > 255U || l5 > 255U) 45 return (DNS_R_BADEUI); 46 47 eui48[0] = l0; 48 eui48[1] = l1; 49 eui48[2] = l2; 50 eui48[3] = l3; 51 eui48[4] = l4; 52 eui48[5] = l5; 53 return (mem_tobuffer(target, eui48, sizeof(eui48))); 54} 55 56static inline isc_result_t 57totext_eui48(ARGS_TOTEXT) { 58 char buf[sizeof("xx-xx-xx-xx-xx-xx")]; 59 60 REQUIRE(rdata->type == 108); 61 REQUIRE(rdata->length == 6); 62 63 UNUSED(tctx); 64 65 (void)snprintf(buf, sizeof(buf), "%02x-%02x-%02x-%02x-%02x-%02x", 66 rdata->data[0], rdata->data[1], rdata->data[2], 67 rdata->data[3], rdata->data[4], rdata->data[5]); 68 return (str_totext(buf, target)); 69} 70 71static inline isc_result_t 72fromwire_eui48(ARGS_FROMWIRE) { 73 isc_region_t sregion; 74 75 REQUIRE(type == 108); 76 77 UNUSED(type); 78 UNUSED(options); 79 UNUSED(rdclass); 80 UNUSED(dctx); 81 82 isc_buffer_activeregion(source, &sregion); 83 if (sregion.length != 6) 84 return (DNS_R_FORMERR); 85 isc_buffer_forward(source, sregion.length); 86 return (mem_tobuffer(target, sregion.base, sregion.length)); 87} 88 89static inline isc_result_t 90towire_eui48(ARGS_TOWIRE) { 91 92 REQUIRE(rdata->type == 108); 93 REQUIRE(rdata->length == 6); 94 95 UNUSED(cctx); 96 97 return (mem_tobuffer(target, rdata->data, rdata->length)); 98} 99 100static inline int 101compare_eui48(ARGS_COMPARE) { 102 isc_region_t region1; 103 isc_region_t region2; 104 105 REQUIRE(rdata1->type == rdata2->type); 106 REQUIRE(rdata1->rdclass == rdata2->rdclass); 107 REQUIRE(rdata1->type == 108); 108 REQUIRE(rdata1->length == 6); 109 REQUIRE(rdata2->length == 6); 110 111 dns_rdata_toregion(rdata1, ®ion1); 112 dns_rdata_toregion(rdata2, ®ion2); 113 return (isc_region_compare(®ion1, ®ion2)); 114} 115 116static inline isc_result_t 117fromstruct_eui48(ARGS_FROMSTRUCT) { 118 dns_rdata_eui48_t *eui48 = source; 119 120 REQUIRE(type == 108); 121 REQUIRE(source != NULL); 122 REQUIRE(eui48->common.rdtype == type); 123 REQUIRE(eui48->common.rdclass == rdclass); 124 125 UNUSED(type); 126 UNUSED(rdclass); 127 128 return (mem_tobuffer(target, eui48->eui48, sizeof(eui48->eui48))); 129} 130 131static inline isc_result_t 132tostruct_eui48(ARGS_TOSTRUCT) { 133 dns_rdata_eui48_t *eui48 = target; 134 135 REQUIRE(rdata->type == 108); 136 REQUIRE(target != NULL); 137 REQUIRE(rdata->length == 6); 138 139 UNUSED(mctx); 140 141 eui48->common.rdclass = rdata->rdclass; 142 eui48->common.rdtype = rdata->type; 143 ISC_LINK_INIT(&eui48->common, link); 144 145 memcpy(eui48->eui48, rdata->data, rdata->length); 146 return (ISC_R_SUCCESS); 147} 148 149static inline void 150freestruct_eui48(ARGS_FREESTRUCT) { 151 dns_rdata_eui48_t *eui48 = source; 152 153 REQUIRE(source != NULL); 154 REQUIRE(eui48->common.rdtype == 108); 155 156 return; 157} 158 159static inline isc_result_t 160additionaldata_eui48(ARGS_ADDLDATA) { 161 162 REQUIRE(rdata->type == 108); 163 REQUIRE(rdata->length == 6); 164 165 UNUSED(rdata); 166 UNUSED(add); 167 UNUSED(arg); 168 169 return (ISC_R_SUCCESS); 170} 171 172static inline isc_result_t 173digest_eui48(ARGS_DIGEST) { 174 isc_region_t r; 175 176 REQUIRE(rdata->type == 108); 177 REQUIRE(rdata->length == 6); 178 179 dns_rdata_toregion(rdata, &r); 180 181 return ((digest)(arg, &r)); 182} 183 184static inline isc_boolean_t 185checkowner_eui48(ARGS_CHECKOWNER) { 186 187 REQUIRE(type == 108); 188 189 UNUSED(name); 190 UNUSED(type); 191 UNUSED(rdclass); 192 UNUSED(wildcard); 193 194 return (ISC_TRUE); 195} 196 197static inline isc_boolean_t 198checknames_eui48(ARGS_CHECKNAMES) { 199 200 REQUIRE(rdata->type == 108); 201 REQUIRE(rdata->length == 6); 202 203 UNUSED(rdata); 204 UNUSED(owner); 205 UNUSED(bad); 206 207 return (ISC_TRUE); 208} 209 210static inline int 211casecompare_eui48(ARGS_COMPARE) { 212 return (compare_eui48(rdata1, rdata2)); 213} 214 215#endif /* RDATA_GENERIC_EUI48_108_C */ 216