1/* 2 * Copyright (C) 2013, 2014 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_EUI64_109_C 18#define RDATA_GENERIC_EUI64_109_C 19 20#include <string.h> 21 22#define RRTYPE_EUI64_ATTRIBUTES (0) 23 24static inline isc_result_t 25fromtext_eui64(ARGS_FROMTEXT) { 26 isc_token_t token; 27 unsigned char eui64[8]; 28 unsigned int l0, l1, l2, l3, l4, l5, l6, l7; 29 int n; 30 31 REQUIRE(type == 109); 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-%2x-%2x", 42 &l0, &l1, &l2, &l3, &l4, &l5, &l6, &l7); 43 if (n != 8 || l0 > 255U || l1 > 255U || l2 > 255U || l3 > 255U || 44 l4 > 255U || l5 > 255U || l6 > 255U || l7 > 255U) 45 return (DNS_R_BADEUI); 46 47 eui64[0] = l0; 48 eui64[1] = l1; 49 eui64[2] = l2; 50 eui64[3] = l3; 51 eui64[4] = l4; 52 eui64[5] = l5; 53 eui64[6] = l6; 54 eui64[7] = l7; 55 return (mem_tobuffer(target, eui64, sizeof(eui64))); 56} 57 58static inline isc_result_t 59totext_eui64(ARGS_TOTEXT) { 60 char buf[sizeof("xx-xx-xx-xx-xx-xx-xx-xx")]; 61 62 REQUIRE(rdata->type == 109); 63 REQUIRE(rdata->length == 8); 64 65 UNUSED(tctx); 66 67 (void)snprintf(buf, sizeof(buf), 68 "%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x", 69 rdata->data[0], rdata->data[1], 70 rdata->data[2], rdata->data[3], 71 rdata->data[4], rdata->data[5], 72 rdata->data[6], rdata->data[7]); 73 return (str_totext(buf, target)); 74} 75 76static inline isc_result_t 77fromwire_eui64(ARGS_FROMWIRE) { 78 isc_region_t sregion; 79 80 REQUIRE(type == 109); 81 82 UNUSED(type); 83 UNUSED(options); 84 UNUSED(rdclass); 85 UNUSED(dctx); 86 87 isc_buffer_activeregion(source, &sregion); 88 if (sregion.length != 8) 89 return (DNS_R_FORMERR); 90 isc_buffer_forward(source, sregion.length); 91 return (mem_tobuffer(target, sregion.base, sregion.length)); 92} 93 94static inline isc_result_t 95towire_eui64(ARGS_TOWIRE) { 96 97 REQUIRE(rdata->type == 109); 98 REQUIRE(rdata->length == 8); 99 100 UNUSED(cctx); 101 102 return (mem_tobuffer(target, rdata->data, rdata->length)); 103} 104 105static inline int 106compare_eui64(ARGS_COMPARE) { 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 == 109); 113 REQUIRE(rdata1->length == 8); 114 REQUIRE(rdata2->length == 8); 115 116 dns_rdata_toregion(rdata1, ®ion1); 117 dns_rdata_toregion(rdata2, ®ion2); 118 return (isc_region_compare(®ion1, ®ion2)); 119} 120 121static inline isc_result_t 122fromstruct_eui64(ARGS_FROMSTRUCT) { 123 dns_rdata_eui64_t *eui64 = source; 124 125 REQUIRE(type == 109); 126 REQUIRE(source != NULL); 127 REQUIRE(eui64->common.rdtype == type); 128 REQUIRE(eui64->common.rdclass == rdclass); 129 130 UNUSED(type); 131 UNUSED(rdclass); 132 133 return (mem_tobuffer(target, eui64->eui64, sizeof(eui64->eui64))); 134} 135 136static inline isc_result_t 137tostruct_eui64(ARGS_TOSTRUCT) { 138 dns_rdata_eui64_t *eui64 = target; 139 140 REQUIRE(rdata->type == 109); 141 REQUIRE(target != NULL); 142 REQUIRE(rdata->length == 8); 143 144 UNUSED(mctx); 145 146 eui64->common.rdclass = rdata->rdclass; 147 eui64->common.rdtype = rdata->type; 148 ISC_LINK_INIT(&eui64->common, link); 149 150 memmove(eui64->eui64, rdata->data, rdata->length); 151 return (ISC_R_SUCCESS); 152} 153 154static inline void 155freestruct_eui64(ARGS_FREESTRUCT) { 156 dns_rdata_eui64_t *eui64 = source; 157 158 REQUIRE(source != NULL); 159 REQUIRE(eui64->common.rdtype == 109); 160 161 return; 162} 163 164static inline isc_result_t 165additionaldata_eui64(ARGS_ADDLDATA) { 166 167 REQUIRE(rdata->type == 109); 168 REQUIRE(rdata->length == 8); 169 170 UNUSED(rdata); 171 UNUSED(add); 172 UNUSED(arg); 173 174 return (ISC_R_SUCCESS); 175} 176 177static inline isc_result_t 178digest_eui64(ARGS_DIGEST) { 179 isc_region_t r; 180 181 REQUIRE(rdata->type == 109); 182 REQUIRE(rdata->length == 8); 183 184 dns_rdata_toregion(rdata, &r); 185 186 return ((digest)(arg, &r)); 187} 188 189static inline isc_boolean_t 190checkowner_eui64(ARGS_CHECKOWNER) { 191 192 REQUIRE(type == 109); 193 194 UNUSED(name); 195 UNUSED(type); 196 UNUSED(rdclass); 197 UNUSED(wildcard); 198 199 return (ISC_TRUE); 200} 201 202static inline isc_boolean_t 203checknames_eui64(ARGS_CHECKNAMES) { 204 205 REQUIRE(rdata->type == 109); 206 REQUIRE(rdata->length == 8); 207 208 UNUSED(rdata); 209 UNUSED(owner); 210 UNUSED(bad); 211 212 return (ISC_TRUE); 213} 214 215static inline int 216casecompare_eui64(ARGS_COMPARE) { 217 return (compare_eui64(rdata1, rdata2)); 218} 219 220#endif /* RDATA_GENERIC_EUI64_109_C */ 221