external/bsd/bind/dist/lib/dns/rdata/in_1/aaaa_28.c

   1 /*      $NetBSD: aaaa_28.c,v 1.5 2014/12/10 04:37:59 christos Exp $     */
   2
   3 /*
   4  * Copyright (C) 2004, 2005, 2007, 2009, 2014  Internet Systems Consortium, Inc. ("ISC")
   5  * Copyright (C) 1999-2002  Internet Software Consortium.
   6  *
   7  * Permission to use, copy, modify, and/or distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  12  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  13  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  14  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  15  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  16  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17  * PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 /* Id: aaaa_28.c,v 1.47 2009/12/04 22:06:37 tbox Exp  */
  21
  22 /* Reviewed: Thu Mar 16 16:52:50 PST 2000 by bwelling */
  23
  24 /* RFC1886 */
  25
  26 #ifndef RDATA_IN_1_AAAA_28_C
  27 #define RDATA_IN_1_AAAA_28_C
  28
  29 #include <isc/net.h>
  30
  31 #define RRTYPE_AAAA_ATTRIBUTES (0)
  32
  33 static inline isc_result_t
  34 fromtext_in_aaaa(ARGS_FROMTEXT) {
  35         isc_token_t token;
  36         unsigned char addr[16];
  37         isc_region_t region;
  38
  39         REQUIRE(type == 28);
  40         REQUIRE(rdclass == 1);
  41
  42         UNUSED(type);
  43         UNUSED(origin);
  44         UNUSED(options);
  45         UNUSED(rdclass);
  46         UNUSED(callbacks);
  47
  48         RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
  49                                       ISC_FALSE));
  50
  51         if (inet_pton(AF_INET6, DNS_AS_STR(token), addr) != 1)
  52                 RETTOK(DNS_R_BADAAAA);
  53         isc_buffer_availableregion(target, &region);
  54         if (region.length < 16)
  55                 return (ISC_R_NOSPACE);
  56         memmove(region.base, addr, 16);
  57         isc_buffer_add(target, 16);
  58         return (ISC_R_SUCCESS);
  59 }
  60
  61 static inline isc_result_t
  62 totext_in_aaaa(ARGS_TOTEXT) {
  63         isc_region_t region;
  64
  65         UNUSED(tctx);
  66
  67         REQUIRE(rdata->type == 28);
  68         REQUIRE(rdata->rdclass == 1);
  69         REQUIRE(rdata->length == 16);
  70
  71         dns_rdata_toregion(rdata, &region);
  72         return (inet_totext(AF_INET6, &region, target));
  73 }
  74
  75 static inline isc_result_t
  76 fromwire_in_aaaa(ARGS_FROMWIRE) {
  77         isc_region_t sregion;
  78         isc_region_t tregion;
  79
  80         REQUIRE(type == 28);
  81         REQUIRE(rdclass == 1);
  82
  83         UNUSED(type);
  84         UNUSED(dctx);
  85         UNUSED(options);
  86         UNUSED(rdclass);
  87
  88         isc_buffer_activeregion(source, &sregion);
  89         isc_buffer_availableregion(target, &tregion);
  90         if (sregion.length < 16)
  91                 return (ISC_R_UNEXPECTEDEND);
  92         if (tregion.length < 16)
  93                 return (ISC_R_NOSPACE);
  94
  95         memmove(tregion.base, sregion.base, 16);
  96         isc_buffer_forward(source, 16);
  97         isc_buffer_add(target, 16);
  98         return (ISC_R_SUCCESS);
  99 }
 100
 101 static inline isc_result_t
 102 towire_in_aaaa(ARGS_TOWIRE) {
 103         isc_region_t region;
 104
 105         UNUSED(cctx);
 106
 107         REQUIRE(rdata->type == 28);
 108         REQUIRE(rdata->rdclass == 1);
 109         REQUIRE(rdata->length == 16);
 110
 111         isc_buffer_availableregion(target, &region);
 112         if (region.length < rdata->length)
 113                 return (ISC_R_NOSPACE);
 114         memmove(region.base, rdata->data, rdata->length);
 115         isc_buffer_add(target, 16);
 116         return (ISC_R_SUCCESS);
 117 }
 118
 119 static inline int
 120 compare_in_aaaa(ARGS_COMPARE) {
 121         isc_region_t r1;
 122         isc_region_t r2;
 123
 124         REQUIRE(rdata1->type == rdata2->type);
 125         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 126         REQUIRE(rdata1->type == 28);
 127         REQUIRE(rdata1->rdclass == 1);
 128         REQUIRE(rdata1->length == 16);
 129         REQUIRE(rdata2->length == 16);
 130
 131         dns_rdata_toregion(rdata1, &r1);
 132         dns_rdata_toregion(rdata2, &r2);
 133         return (isc_region_compare(&r1, &r2));
 134 }
 135
 136 static inline isc_result_t
 137 fromstruct_in_aaaa(ARGS_FROMSTRUCT) {
 138         dns_rdata_in_aaaa_t *aaaa = source;
 139
 140         REQUIRE(type == 28);
 141         REQUIRE(rdclass == 1);
 142         REQUIRE(source != NULL);
 143         REQUIRE(aaaa->common.rdtype == type);
 144         REQUIRE(aaaa->common.rdclass == rdclass);
 145
 146         UNUSED(type);
 147         UNUSED(rdclass);
 148
 149         return (mem_tobuffer(target, aaaa->in6_addr.s6_addr, 16));
 150 }
 151
 152 static inline isc_result_t
 153 tostruct_in_aaaa(ARGS_TOSTRUCT) {
 154         dns_rdata_in_aaaa_t *aaaa = target;
 155         isc_region_t r;
 156
 157         REQUIRE(rdata->type == 28);
 158         REQUIRE(rdata->rdclass == 1);
 159         REQUIRE(target != NULL);
 160         REQUIRE(rdata->length == 16);
 161
 162         UNUSED(mctx);
 163
 164         aaaa->common.rdclass = rdata->rdclass;
 165         aaaa->common.rdtype = rdata->type;
 166         ISC_LINK_INIT(&aaaa->common, link);
 167
 168         dns_rdata_toregion(rdata, &r);
 169         INSIST(r.length == 16);
 170         memmove(aaaa->in6_addr.s6_addr, r.base, 16);
 171
 172         return (ISC_R_SUCCESS);
 173 }
 174
 175 static inline void
 176 freestruct_in_aaaa(ARGS_FREESTRUCT) {
 177         dns_rdata_in_aaaa_t *aaaa = source;
 178
 179         REQUIRE(source != NULL);
 180         REQUIRE(aaaa->common.rdclass == 1);
 181         REQUIRE(aaaa->common.rdtype == 28);
 182
 183         UNUSED(aaaa);
 184 }
 185
 186 static inline isc_result_t
 187 additionaldata_in_aaaa(ARGS_ADDLDATA) {
 188         REQUIRE(rdata->type == 28);
 189         REQUIRE(rdata->rdclass == 1);
 190
 191         UNUSED(rdata);
 192         UNUSED(add);
 193         UNUSED(arg);
 194
 195         return (ISC_R_SUCCESS);
 196 }
 197
 198 static inline isc_result_t
 199 digest_in_aaaa(ARGS_DIGEST) {
 200         isc_region_t r;
 201
 202         REQUIRE(rdata->type == 28);
 203         REQUIRE(rdata->rdclass == 1);
 204
 205         dns_rdata_toregion(rdata, &r);
 206
 207         return ((digest)(arg, &r));
 208 }
 209
 210 static inline isc_boolean_t
 211 checkowner_in_aaaa(ARGS_CHECKOWNER) {
 212
 213         REQUIRE(type == 28);
 214         REQUIRE(rdclass == 1);
 215
 216         UNUSED(type);
 217         UNUSED(rdclass);
 218
 219         return (dns_name_ishostname(name, wildcard));
 220 }
 221
 222 static inline isc_boolean_t
 223 checknames_in_aaaa(ARGS_CHECKNAMES) {
 224
 225         REQUIRE(rdata->type == 28);
 226         REQUIRE(rdata->rdclass == 1);
 227
 228         UNUSED(rdata);
 229         UNUSED(owner);
 230         UNUSED(bad);
 231
 232         return (ISC_TRUE);
 233 }
 234
 235 static inline int
 236 casecompare_in_aaaa(ARGS_COMPARE) {
 237         return (compare_in_aaaa(rdata1, rdata2));
 238 }
 239 #endif  /* RDATA_IN_1_AAAA_28_C */