contrib/bind-9.5.2/lib/dns/rdata/generic/rp_17.c

   1 /*
   2  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1999-2001  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  15  * PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 /* $Id: rp_17.c,v 1.42 2007/06/19 23:47:17 tbox Exp $ */
  19
  20 /* RFC1183 */
  21
  22 #ifndef RDATA_GENERIC_RP_17_C
  23 #define RDATA_GENERIC_RP_17_C
  24
  25 #define RRTYPE_RP_ATTRIBUTES (0)
  26
  27 static inline isc_result_t
  28 fromtext_rp(ARGS_FROMTEXT) {
  29         isc_token_t token;
  30         dns_name_t name;
  31         isc_buffer_t buffer;
  32         int i;
  33         isc_boolean_t ok;
  34
  35         REQUIRE(type == 17);
  36
  37         UNUSED(type);
  38         UNUSED(rdclass);
  39         UNUSED(callbacks);
  40
  41         origin = (origin != NULL) ? origin : dns_rootname;
  42
  43         for (i = 0; i < 2; i++) {
  44                 RETERR(isc_lex_getmastertoken(lexer, &token,
  45                                               isc_tokentype_string,
  46                                               ISC_FALSE));
  47                 dns_name_init(&name, NULL);
  48                 buffer_fromregion(&buffer, &token.value.as_region);
  49                 RETTOK(dns_name_fromtext(&name, &buffer, origin,
  50                                          options, target));
  51                 ok = ISC_TRUE;
  52                 if ((options & DNS_RDATA_CHECKNAMES) != 0 && i == 0)
  53                         ok = dns_name_ismailbox(&name);
  54                 if (!ok && (options & DNS_RDATA_CHECKNAMESFAIL) != 0)
  55                         RETTOK(DNS_R_BADNAME);
  56                 if (!ok && callbacks != NULL)
  57                         warn_badname(&name, lexer, callbacks);
  58         }
  59         return (ISC_R_SUCCESS);
  60 }
  61
  62 static inline isc_result_t
  63 totext_rp(ARGS_TOTEXT) {
  64         isc_region_t region;
  65         dns_name_t rmail;
  66         dns_name_t email;
  67         dns_name_t prefix;
  68         isc_boolean_t sub;
  69
  70         REQUIRE(rdata->type == 17);
  71         REQUIRE(rdata->length != 0);
  72
  73         dns_name_init(&rmail, NULL);
  74         dns_name_init(&email, NULL);
  75         dns_name_init(&prefix, NULL);
  76
  77         dns_rdata_toregion(rdata, &region);
  78
  79         dns_name_fromregion(&rmail, &region);
  80         isc_region_consume(&region, rmail.length);
  81
  82         dns_name_fromregion(&email, &region);
  83         isc_region_consume(&region, email.length);
  84
  85         sub = name_prefix(&rmail, tctx->origin, &prefix);
  86         RETERR(dns_name_totext(&prefix, sub, target));
  87
  88         RETERR(str_totext(" ", target));
  89
  90         sub = name_prefix(&email, tctx->origin, &prefix);
  91         return (dns_name_totext(&prefix, sub, target));
  92 }
  93
  94 static inline isc_result_t
  95 fromwire_rp(ARGS_FROMWIRE) {
  96         dns_name_t rmail;
  97         dns_name_t email;
  98
  99         REQUIRE(type == 17);
 100
 101         UNUSED(type);
 102         UNUSED(rdclass);
 103
 104         dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
 105
 106         dns_name_init(&rmail, NULL);
 107         dns_name_init(&email, NULL);
 108
 109         RETERR(dns_name_fromwire(&rmail, source, dctx, options, target));
 110         return (dns_name_fromwire(&email, source, dctx, options, target));
 111 }
 112
 113 static inline isc_result_t
 114 towire_rp(ARGS_TOWIRE) {
 115         isc_region_t region;
 116         dns_name_t rmail;
 117         dns_name_t email;
 118         dns_offsets_t roffsets;
 119         dns_offsets_t eoffsets;
 120
 121         REQUIRE(rdata->type == 17);
 122         REQUIRE(rdata->length != 0);
 123
 124         dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
 125         dns_name_init(&rmail, roffsets);
 126         dns_name_init(&email, eoffsets);
 127
 128         dns_rdata_toregion(rdata, &region);
 129
 130         dns_name_fromregion(&rmail, &region);
 131         isc_region_consume(&region, rmail.length);
 132
 133         RETERR(dns_name_towire(&rmail, cctx, target));
 134
 135         dns_name_fromregion(&rmail, &region);
 136         isc_region_consume(&region, rmail.length);
 137
 138         return (dns_name_towire(&rmail, cctx, target));
 139 }
 140
 141 static inline int
 142 compare_rp(ARGS_COMPARE) {
 143         isc_region_t region1;
 144         isc_region_t region2;
 145         dns_name_t name1;
 146         dns_name_t name2;
 147         int order;
 148
 149         REQUIRE(rdata1->type == rdata2->type);
 150         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 151         REQUIRE(rdata1->type == 17);
 152         REQUIRE(rdata1->length != 0);
 153         REQUIRE(rdata2->length != 0);
 154
 155         dns_name_init(&name1, NULL);
 156         dns_name_init(&name2, NULL);
 157
 158         dns_rdata_toregion(rdata1, &region1);
 159         dns_rdata_toregion(rdata2, &region2);
 160
 161         dns_name_fromregion(&name1, &region1);
 162         dns_name_fromregion(&name2, &region2);
 163
 164         order = dns_name_rdatacompare(&name1, &name2);
 165         if (order != 0)
 166                 return (order);
 167
 168         isc_region_consume(&region1, name_length(&name1));
 169         isc_region_consume(&region2, name_length(&name2));
 170
 171         dns_name_init(&name1, NULL);
 172         dns_name_init(&name2, NULL);
 173
 174         dns_name_fromregion(&name1, &region1);
 175         dns_name_fromregion(&name2, &region2);
 176
 177         return (dns_name_rdatacompare(&name1, &name2));
 178 }
 179
 180 static inline isc_result_t
 181 fromstruct_rp(ARGS_FROMSTRUCT) {
 182         dns_rdata_rp_t *rp = source;
 183         isc_region_t region;
 184
 185         REQUIRE(type == 17);
 186         REQUIRE(source != NULL);
 187         REQUIRE(rp->common.rdtype == type);
 188         REQUIRE(rp->common.rdclass == rdclass);
 189
 190         UNUSED(type);
 191         UNUSED(rdclass);
 192
 193         dns_name_toregion(&rp->mail, &region);
 194         RETERR(isc_buffer_copyregion(target, &region));
 195         dns_name_toregion(&rp->text, &region);
 196         return (isc_buffer_copyregion(target, &region));
 197 }
 198
 199 static inline isc_result_t
 200 tostruct_rp(ARGS_TOSTRUCT) {
 201         isc_result_t result;
 202         isc_region_t region;
 203         dns_rdata_rp_t *rp = target;
 204         dns_name_t name;
 205
 206         REQUIRE(rdata->type == 17);
 207         REQUIRE(target != NULL);
 208         REQUIRE(rdata->length != 0);
 209
 210         rp->common.rdclass = rdata->rdclass;
 211         rp->common.rdtype = rdata->type;
 212         ISC_LINK_INIT(&rp->common, link);
 213
 214         dns_name_init(&name, NULL);
 215         dns_rdata_toregion(rdata, &region);
 216         dns_name_fromregion(&name, &region);
 217         dns_name_init(&rp->mail, NULL);
 218         RETERR(name_duporclone(&name, mctx, &rp->mail));
 219         isc_region_consume(&region, name_length(&name));
 220         dns_name_fromregion(&name, &region);
 221         dns_name_init(&rp->text, NULL);
 222         result = name_duporclone(&name, mctx, &rp->text);
 223         if (result != ISC_R_SUCCESS)
 224                 goto cleanup;
 225
 226         rp->mctx = mctx;
 227         return (ISC_R_SUCCESS);
 228
 229  cleanup:
 230         if (mctx != NULL)
 231                 dns_name_free(&rp->mail, mctx);
 232         return (ISC_R_NOMEMORY);
 233 }
 234
 235 static inline void
 236 freestruct_rp(ARGS_FREESTRUCT) {
 237         dns_rdata_rp_t *rp = source;
 238
 239         REQUIRE(source != NULL);
 240         REQUIRE(rp->common.rdtype == 17);
 241
 242         if (rp->mctx == NULL)
 243                 return;
 244
 245         dns_name_free(&rp->mail, rp->mctx);
 246         dns_name_free(&rp->text, rp->mctx);
 247         rp->mctx = NULL;
 248 }
 249
 250 static inline isc_result_t
 251 additionaldata_rp(ARGS_ADDLDATA) {
 252         REQUIRE(rdata->type == 17);
 253
 254         UNUSED(rdata);
 255         UNUSED(add);
 256         UNUSED(arg);
 257
 258         return (ISC_R_SUCCESS);
 259 }
 260
 261 static inline isc_result_t
 262 digest_rp(ARGS_DIGEST) {
 263         isc_region_t r;
 264         dns_name_t name;
 265
 266         REQUIRE(rdata->type == 17);
 267
 268         dns_rdata_toregion(rdata, &r);
 269         dns_name_init(&name, NULL);
 270
 271         dns_name_fromregion(&name, &r);
 272         RETERR(dns_name_digest(&name, digest, arg));
 273         isc_region_consume(&r, name_length(&name));
 274
 275         dns_name_init(&name, NULL);
 276         dns_name_fromregion(&name, &r);
 277
 278         return (dns_name_digest(&name, digest, arg));
 279 }
 280
 281 static inline isc_boolean_t
 282 checkowner_rp(ARGS_CHECKOWNER) {
 283
 284         REQUIRE(type == 17);
 285
 286         UNUSED(name);
 287         UNUSED(type);
 288         UNUSED(rdclass);
 289         UNUSED(wildcard);
 290
 291         return (ISC_TRUE);
 292 }
 293
 294 static inline isc_boolean_t
 295 checknames_rp(ARGS_CHECKNAMES) {
 296         isc_region_t region;
 297         dns_name_t name;
 298
 299         REQUIRE(rdata->type == 17);
 300
 301         UNUSED(owner);
 302
 303         dns_rdata_toregion(rdata, &region);
 304         dns_name_init(&name, NULL);
 305         dns_name_fromregion(&name, &region);
 306         if (!dns_name_ismailbox(&name)) {
 307                 if (bad != NULL)
 308                                 dns_name_clone(&name, bad);
 309                 return (ISC_FALSE);
 310         }
 311         return (ISC_TRUE);
 312 }
 313
 314 #endif  /* RDATA_GENERIC_RP_17_C */