external/bsd/bind/dist/lib/dns/rdata/generic/rp_17.c

   1 /*      $NetBSD: rp_17.c,v 1.4 2014/12/10 04:37:59 christos Exp $       */
   2
   3 /*
   4  * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
   5  * Copyright (C) 1999-2001  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: rp_17.c,v 1.44 2009/12/04 22:06:37 tbox Exp  */
  21
  22 /* RFC1183 */
  23
  24 #ifndef RDATA_GENERIC_RP_17_C
  25 #define RDATA_GENERIC_RP_17_C
  26
  27 #define RRTYPE_RP_ATTRIBUTES (0)
  28
  29 static inline isc_result_t
  30 fromtext_rp(ARGS_FROMTEXT) {
  31         isc_token_t token;
  32         dns_name_t name;
  33         isc_buffer_t buffer;
  34         int i;
  35         isc_boolean_t ok;
  36
  37         REQUIRE(type == 17);
  38
  39         UNUSED(type);
  40         UNUSED(rdclass);
  41         UNUSED(callbacks);
  42
  43         origin = (origin != NULL) ? origin : dns_rootname;
  44
  45         for (i = 0; i < 2; i++) {
  46                 RETERR(isc_lex_getmastertoken(lexer, &token,
  47                                               isc_tokentype_string,
  48                                               ISC_FALSE));
  49                 dns_name_init(&name, NULL);
  50                 buffer_fromregion(&buffer, &token.value.as_region);
  51                 RETTOK(dns_name_fromtext(&name, &buffer, origin,
  52                                          options, target));
  53                 ok = ISC_TRUE;
  54                 if ((options & DNS_RDATA_CHECKNAMES) != 0 && i == 0)
  55                         ok = dns_name_ismailbox(&name);
  56                 if (!ok && (options & DNS_RDATA_CHECKNAMESFAIL) != 0)
  57                         RETTOK(DNS_R_BADNAME);
  58                 if (!ok && callbacks != NULL)
  59                         warn_badname(&name, lexer, callbacks);
  60         }
  61         return (ISC_R_SUCCESS);
  62 }
  63
  64 static inline isc_result_t
  65 totext_rp(ARGS_TOTEXT) {
  66         isc_region_t region;
  67         dns_name_t rmail;
  68         dns_name_t email;
  69         dns_name_t prefix;
  70         isc_boolean_t sub;
  71
  72         REQUIRE(rdata->type == 17);
  73         REQUIRE(rdata->length != 0);
  74
  75         dns_name_init(&rmail, NULL);
  76         dns_name_init(&email, NULL);
  77         dns_name_init(&prefix, NULL);
  78
  79         dns_rdata_toregion(rdata, &region);
  80
  81         dns_name_fromregion(&rmail, &region);
  82         isc_region_consume(&region, rmail.length);
  83
  84         dns_name_fromregion(&email, &region);
  85         isc_region_consume(&region, email.length);
  86
  87         sub = name_prefix(&rmail, tctx->origin, &prefix);
  88         RETERR(dns_name_totext(&prefix, sub, target));
  89
  90         RETERR(str_totext(" ", target));
  91
  92         sub = name_prefix(&email, tctx->origin, &prefix);
  93         return (dns_name_totext(&prefix, sub, target));
  94 }
  95
  96 static inline isc_result_t
  97 fromwire_rp(ARGS_FROMWIRE) {
  98         dns_name_t rmail;
  99         dns_name_t email;
 100
 101         REQUIRE(type == 17);
 102
 103         UNUSED(type);
 104         UNUSED(rdclass);
 105
 106         dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
 107
 108         dns_name_init(&rmail, NULL);
 109         dns_name_init(&email, NULL);
 110
 111         RETERR(dns_name_fromwire(&rmail, source, dctx, options, target));
 112         return (dns_name_fromwire(&email, source, dctx, options, target));
 113 }
 114
 115 static inline isc_result_t
 116 towire_rp(ARGS_TOWIRE) {
 117         isc_region_t region;
 118         dns_name_t rmail;
 119         dns_name_t email;
 120         dns_offsets_t roffsets;
 121         dns_offsets_t eoffsets;
 122
 123         REQUIRE(rdata->type == 17);
 124         REQUIRE(rdata->length != 0);
 125
 126         dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
 127         dns_name_init(&rmail, roffsets);
 128         dns_name_init(&email, eoffsets);
 129
 130         dns_rdata_toregion(rdata, &region);
 131
 132         dns_name_fromregion(&rmail, &region);
 133         isc_region_consume(&region, rmail.length);
 134
 135         RETERR(dns_name_towire(&rmail, cctx, target));
 136
 137         dns_name_fromregion(&rmail, &region);
 138         isc_region_consume(&region, rmail.length);
 139
 140         return (dns_name_towire(&rmail, cctx, target));
 141 }
 142
 143 static inline int
 144 compare_rp(ARGS_COMPARE) {
 145         isc_region_t region1;
 146         isc_region_t region2;
 147         dns_name_t name1;
 148         dns_name_t name2;
 149         int order;
 150
 151         REQUIRE(rdata1->type == rdata2->type);
 152         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 153         REQUIRE(rdata1->type == 17);
 154         REQUIRE(rdata1->length != 0);
 155         REQUIRE(rdata2->length != 0);
 156
 157         dns_name_init(&name1, NULL);
 158         dns_name_init(&name2, NULL);
 159
 160         dns_rdata_toregion(rdata1, &region1);
 161         dns_rdata_toregion(rdata2, &region2);
 162
 163         dns_name_fromregion(&name1, &region1);
 164         dns_name_fromregion(&name2, &region2);
 165
 166         order = dns_name_rdatacompare(&name1, &name2);
 167         if (order != 0)
 168                 return (order);
 169
 170         isc_region_consume(&region1, name_length(&name1));
 171         isc_region_consume(&region2, name_length(&name2));
 172
 173         dns_name_init(&name1, NULL);
 174         dns_name_init(&name2, NULL);
 175
 176         dns_name_fromregion(&name1, &region1);
 177         dns_name_fromregion(&name2, &region2);
 178
 179         return (dns_name_rdatacompare(&name1, &name2));
 180 }
 181
 182 static inline isc_result_t
 183 fromstruct_rp(ARGS_FROMSTRUCT) {
 184         dns_rdata_rp_t *rp = source;
 185         isc_region_t region;
 186
 187         REQUIRE(type == 17);
 188         REQUIRE(source != NULL);
 189         REQUIRE(rp->common.rdtype == type);
 190         REQUIRE(rp->common.rdclass == rdclass);
 191
 192         UNUSED(type);
 193         UNUSED(rdclass);
 194
 195         dns_name_toregion(&rp->mail, &region);
 196         RETERR(isc_buffer_copyregion(target, &region));
 197         dns_name_toregion(&rp->text, &region);
 198         return (isc_buffer_copyregion(target, &region));
 199 }
 200
 201 static inline isc_result_t
 202 tostruct_rp(ARGS_TOSTRUCT) {
 203         isc_result_t result;
 204         isc_region_t region;
 205         dns_rdata_rp_t *rp = target;
 206         dns_name_t name;
 207
 208         REQUIRE(rdata->type == 17);
 209         REQUIRE(target != NULL);
 210         REQUIRE(rdata->length != 0);
 211
 212         rp->common.rdclass = rdata->rdclass;
 213         rp->common.rdtype = rdata->type;
 214         ISC_LINK_INIT(&rp->common, link);
 215
 216         dns_name_init(&name, NULL);
 217         dns_rdata_toregion(rdata, &region);
 218         dns_name_fromregion(&name, &region);
 219         dns_name_init(&rp->mail, NULL);
 220         RETERR(name_duporclone(&name, mctx, &rp->mail));
 221         isc_region_consume(&region, name_length(&name));
 222         dns_name_fromregion(&name, &region);
 223         dns_name_init(&rp->text, NULL);
 224         result = name_duporclone(&name, mctx, &rp->text);
 225         if (result != ISC_R_SUCCESS)
 226                 goto cleanup;
 227
 228         rp->mctx = mctx;
 229         return (ISC_R_SUCCESS);
 230
 231  cleanup:
 232         if (mctx != NULL)
 233                 dns_name_free(&rp->mail, mctx);
 234         return (ISC_R_NOMEMORY);
 235 }
 236
 237 static inline void
 238 freestruct_rp(ARGS_FREESTRUCT) {
 239         dns_rdata_rp_t *rp = source;
 240
 241         REQUIRE(source != NULL);
 242         REQUIRE(rp->common.rdtype == 17);
 243
 244         if (rp->mctx == NULL)
 245                 return;
 246
 247         dns_name_free(&rp->mail, rp->mctx);
 248         dns_name_free(&rp->text, rp->mctx);
 249         rp->mctx = NULL;
 250 }
 251
 252 static inline isc_result_t
 253 additionaldata_rp(ARGS_ADDLDATA) {
 254         REQUIRE(rdata->type == 17);
 255
 256         UNUSED(rdata);
 257         UNUSED(add);
 258         UNUSED(arg);
 259
 260         return (ISC_R_SUCCESS);
 261 }
 262
 263 static inline isc_result_t
 264 digest_rp(ARGS_DIGEST) {
 265         isc_region_t r;
 266         dns_name_t name;
 267
 268         REQUIRE(rdata->type == 17);
 269
 270         dns_rdata_toregion(rdata, &r);
 271         dns_name_init(&name, NULL);
 272
 273         dns_name_fromregion(&name, &r);
 274         RETERR(dns_name_digest(&name, digest, arg));
 275         isc_region_consume(&r, name_length(&name));
 276
 277         dns_name_init(&name, NULL);
 278         dns_name_fromregion(&name, &r);
 279
 280         return (dns_name_digest(&name, digest, arg));
 281 }
 282
 283 static inline isc_boolean_t
 284 checkowner_rp(ARGS_CHECKOWNER) {
 285
 286         REQUIRE(type == 17);
 287
 288         UNUSED(name);
 289         UNUSED(type);
 290         UNUSED(rdclass);
 291         UNUSED(wildcard);
 292
 293         return (ISC_TRUE);
 294 }
 295
 296 static inline isc_boolean_t
 297 checknames_rp(ARGS_CHECKNAMES) {
 298         isc_region_t region;
 299         dns_name_t name;
 300
 301         REQUIRE(rdata->type == 17);
 302
 303         UNUSED(owner);
 304
 305         dns_rdata_toregion(rdata, &region);
 306         dns_name_init(&name, NULL);
 307         dns_name_fromregion(&name, &region);
 308         if (!dns_name_ismailbox(&name)) {
 309                 if (bad != NULL)
 310                                 dns_name_clone(&name, bad);
 311                 return (ISC_FALSE);
 312         }
 313         return (ISC_TRUE);
 314 }
 315
 316 static inline int
 317 casecompare_rp(ARGS_COMPARE) {
 318         return (compare_rp(rdata1, rdata2));
 319 }
 320 #endif  /* RDATA_GENERIC_RP_17_C */