1 /* $NetBSD: eui64_109.c,v 1.1.1.4 2014/12/10 03:34:42 christos Exp $ */ 2 3 /* 4 * Copyright (C) 2013, 2014 Internet Systems Consortium, Inc. ("ISC") 5 * 6 * Permission to use, copy, modify, and/or distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 11 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 12 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 13 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 14 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 15 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef RDATA_GENERIC_EUI64_109_C 20 #define RDATA_GENERIC_EUI64_109_C 21 22 #include <string.h> 23 24 #define RRTYPE_EUI64_ATTRIBUTES (0) 25 26 static inline isc_result_t 27 fromtext_eui64(ARGS_FROMTEXT) { 28 isc_token_t token; 29 unsigned char eui64[8]; 30 unsigned int l0, l1, l2, l3, l4, l5, l6, l7; 31 int n; 32 33 REQUIRE(type == 109); 34 35 UNUSED(type); 36 UNUSED(rdclass); 37 UNUSED(origin); 38 UNUSED(options); 39 UNUSED(callbacks); 40 41 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, 42 ISC_FALSE)); 43 n = sscanf(DNS_AS_STR(token), "%2x-%2x-%2x-%2x-%2x-%2x-%2x-%2x", 44 &l0, &l1, &l2, &l3, &l4, &l5, &l6, &l7); 45 if (n != 8 || l0 > 255U || l1 > 255U || l2 > 255U || l3 > 255U || 46 l4 > 255U || l5 > 255U || l6 > 255U || l7 > 255U) 47 return (DNS_R_BADEUI); 48 49 eui64[0] = l0; 50 eui64[1] = l1; 51 eui64[2] = l2; 52 eui64[3] = l3; 53 eui64[4] = l4; 54 eui64[5] = l5; 55 eui64[6] = l6; 56 eui64[7] = l7; 57 return (mem_tobuffer(target, eui64, sizeof(eui64))); 58 } 59 60 static inline isc_result_t 61 totext_eui64(ARGS_TOTEXT) { 62 char buf[sizeof("xx-xx-xx-xx-xx-xx-xx-xx")]; 63 64 REQUIRE(rdata->type == 109); 65 REQUIRE(rdata->length == 8); 66 67 UNUSED(tctx); 68 69 (void)snprintf(buf, sizeof(buf), 70 "%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x", 71 rdata->data[0], rdata->data[1], 72 rdata->data[2], rdata->data[3], 73 rdata->data[4], rdata->data[5], 74 rdata->data[6], rdata->data[7]); 75 return (str_totext(buf, target)); 76 } 77 78 static inline isc_result_t 79 fromwire_eui64(ARGS_FROMWIRE) { 80 isc_region_t sregion; 81 82 REQUIRE(type == 109); 83 84 UNUSED(type); 85 UNUSED(options); 86 UNUSED(rdclass); 87 UNUSED(dctx); 88 89 isc_buffer_activeregion(source, &sregion); 90 if (sregion.length != 8) 91 return (DNS_R_FORMERR); 92 isc_buffer_forward(source, sregion.length); 93 return (mem_tobuffer(target, sregion.base, sregion.length)); 94 } 95 96 static inline isc_result_t 97 towire_eui64(ARGS_TOWIRE) { 98 99 REQUIRE(rdata->type == 109); 100 REQUIRE(rdata->length == 8); 101 102 UNUSED(cctx); 103 104 return (mem_tobuffer(target, rdata->data, rdata->length)); 105 } 106 107 static inline int 108 compare_eui64(ARGS_COMPARE) { 109 isc_region_t region1; 110 isc_region_t region2; 111 112 REQUIRE(rdata1->type == rdata2->type); 113 REQUIRE(rdata1->rdclass == rdata2->rdclass); 114 REQUIRE(rdata1->type == 109); 115 REQUIRE(rdata1->length == 8); 116 REQUIRE(rdata2->length == 8); 117 118 dns_rdata_toregion(rdata1, ®ion1); 119 dns_rdata_toregion(rdata2, ®ion2); 120 return (isc_region_compare(®ion1, ®ion2)); 121 } 122 123 static inline isc_result_t 124 fromstruct_eui64(ARGS_FROMSTRUCT) { 125 dns_rdata_eui64_t *eui64 = source; 126 127 REQUIRE(type == 109); 128 REQUIRE(source != NULL); 129 REQUIRE(eui64->common.rdtype == type); 130 REQUIRE(eui64->common.rdclass == rdclass); 131 132 UNUSED(type); 133 UNUSED(rdclass); 134 135 return (mem_tobuffer(target, eui64->eui64, sizeof(eui64->eui64))); 136 } 137 138 static inline isc_result_t 139 tostruct_eui64(ARGS_TOSTRUCT) { 140 dns_rdata_eui64_t *eui64 = target; 141 142 REQUIRE(rdata->type == 109); 143 REQUIRE(target != NULL); 144 REQUIRE(rdata->length == 8); 145 146 UNUSED(mctx); 147 148 eui64->common.rdclass = rdata->rdclass; 149 eui64->common.rdtype = rdata->type; 150 ISC_LINK_INIT(&eui64->common, link); 151 152 memmove(eui64->eui64, rdata->data, rdata->length); 153 return (ISC_R_SUCCESS); 154 } 155 156 static inline void 157 freestruct_eui64(ARGS_FREESTRUCT) { 158 dns_rdata_eui64_t *eui64 = source; 159 160 REQUIRE(source != NULL); 161 REQUIRE(eui64->common.rdtype == 109); 162 163 return; 164 } 165 166 static inline isc_result_t 167 additionaldata_eui64(ARGS_ADDLDATA) { 168 169 REQUIRE(rdata->type == 109); 170 REQUIRE(rdata->length == 8); 171 172 UNUSED(rdata); 173 UNUSED(add); 174 UNUSED(arg); 175 176 return (ISC_R_SUCCESS); 177 } 178 179 static inline isc_result_t 180 digest_eui64(ARGS_DIGEST) { 181 isc_region_t r; 182 183 REQUIRE(rdata->type == 109); 184 REQUIRE(rdata->length == 8); 185 186 dns_rdata_toregion(rdata, &r); 187 188 return ((digest)(arg, &r)); 189 } 190 191 static inline isc_boolean_t 192 checkowner_eui64(ARGS_CHECKOWNER) { 193 194 REQUIRE(type == 109); 195 196 UNUSED(name); 197 UNUSED(type); 198 UNUSED(rdclass); 199 UNUSED(wildcard); 200 201 return (ISC_TRUE); 202 } 203 204 static inline isc_boolean_t 205 checknames_eui64(ARGS_CHECKNAMES) { 206 207 REQUIRE(rdata->type == 109); 208 REQUIRE(rdata->length == 8); 209 210 UNUSED(rdata); 211 UNUSED(owner); 212 UNUSED(bad); 213 214 return (ISC_TRUE); 215 } 216 217 static inline int 218 casecompare_eui64(ARGS_COMPARE) { 219 return (compare_eui64(rdata1, rdata2)); 220 } 221 222 #endif /* RDATA_GENERIC_EUI64_109_C */ 223