external/bsd/bind/dist/lib/dns/rdata/generic/eui64_109.c

   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, &region1);
 119         dns_rdata_toregion(rdata2, &region2);
 120         return (isc_region_compare(&region1, &region2));
 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 */