external/bsd/bind/dist/lib/dns/rdata/in_1/nsap-ptr_23.c

   1 /*      $NetBSD: nsap-ptr_23.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: nsap-ptr_23.c,v 1.40 2009/12/04 22:06:37 tbox Exp  */
  21
  22 /* Reviewed: Fri Mar 17 10:16:02 PST 2000 by gson */
  23
  24 /* RFC1348.  Obsoleted in RFC 1706 - use PTR instead. */
  25
  26 #ifndef RDATA_IN_1_NSAP_PTR_23_C
  27 #define RDATA_IN_1_NSAP_PTR_23_C
  28
  29 #define RRTYPE_NSAP_PTR_ATTRIBUTES (0)
  30
  31 static inline isc_result_t
  32 fromtext_in_nsap_ptr(ARGS_FROMTEXT) {
  33         isc_token_t token;
  34         dns_name_t name;
  35         isc_buffer_t buffer;
  36
  37         REQUIRE(type == 23);
  38         REQUIRE(rdclass == 1);
  39
  40         UNUSED(type);
  41         UNUSED(rdclass);
  42         UNUSED(callbacks);
  43
  44         RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
  45                                       ISC_FALSE));
  46
  47         dns_name_init(&name, NULL);
  48         buffer_fromregion(&buffer, &token.value.as_region);
  49         origin = (origin != NULL) ? origin : dns_rootname;
  50         RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
  51         return (ISC_R_SUCCESS);
  52 }
  53
  54 static inline isc_result_t
  55 totext_in_nsap_ptr(ARGS_TOTEXT) {
  56         isc_region_t region;
  57         dns_name_t name;
  58         dns_name_t prefix;
  59         isc_boolean_t sub;
  60
  61         REQUIRE(rdata->type == 23);
  62         REQUIRE(rdata->rdclass == 1);
  63         REQUIRE(rdata->length != 0);
  64
  65         dns_name_init(&name, NULL);
  66         dns_name_init(&prefix, NULL);
  67
  68         dns_rdata_toregion(rdata, &region);
  69         dns_name_fromregion(&name, &region);
  70
  71         sub = name_prefix(&name, tctx->origin, &prefix);
  72
  73         return (dns_name_totext(&prefix, sub, target));
  74 }
  75
  76 static inline isc_result_t
  77 fromwire_in_nsap_ptr(ARGS_FROMWIRE) {
  78         dns_name_t name;
  79
  80         REQUIRE(type == 23);
  81         REQUIRE(rdclass == 1);
  82
  83         UNUSED(type);
  84         UNUSED(rdclass);
  85
  86         dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
  87
  88         dns_name_init(&name, NULL);
  89         return (dns_name_fromwire(&name, source, dctx, options, target));
  90 }
  91
  92 static inline isc_result_t
  93 towire_in_nsap_ptr(ARGS_TOWIRE) {
  94         dns_name_t name;
  95         dns_offsets_t offsets;
  96         isc_region_t region;
  97
  98         REQUIRE(rdata->type == 23);
  99         REQUIRE(rdata->rdclass == 1);
 100         REQUIRE(rdata->length != 0);
 101
 102         dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
 103         dns_name_init(&name, offsets);
 104         dns_rdata_toregion(rdata, &region);
 105         dns_name_fromregion(&name, &region);
 106
 107         return (dns_name_towire(&name, cctx, target));
 108 }
 109
 110 static inline int
 111 compare_in_nsap_ptr(ARGS_COMPARE) {
 112         dns_name_t name1;
 113         dns_name_t name2;
 114         isc_region_t region1;
 115         isc_region_t region2;
 116
 117         REQUIRE(rdata1->type == rdata2->type);
 118         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 119         REQUIRE(rdata1->type == 23);
 120         REQUIRE(rdata1->rdclass == 1);
 121         REQUIRE(rdata1->length != 0);
 122         REQUIRE(rdata2->length != 0);
 123
 124         dns_name_init(&name1, NULL);
 125         dns_name_init(&name2, NULL);
 126
 127         dns_rdata_toregion(rdata1, &region1);
 128         dns_rdata_toregion(rdata2, &region2);
 129
 130         dns_name_fromregion(&name1, &region1);
 131         dns_name_fromregion(&name2, &region2);
 132
 133         return (dns_name_rdatacompare(&name1, &name2));
 134 }
 135
 136 static inline isc_result_t
 137 fromstruct_in_nsap_ptr(ARGS_FROMSTRUCT) {
 138         dns_rdata_in_nsap_ptr_t *nsap_ptr = source;
 139         isc_region_t region;
 140
 141         REQUIRE(type == 23);
 142         REQUIRE(rdclass == 1);
 143         REQUIRE(source != NULL);
 144         REQUIRE(nsap_ptr->common.rdtype == type);
 145         REQUIRE(nsap_ptr->common.rdclass == rdclass);
 146
 147         UNUSED(type);
 148         UNUSED(rdclass);
 149
 150         dns_name_toregion(&nsap_ptr->owner, &region);
 151         return (isc_buffer_copyregion(target, &region));
 152 }
 153
 154 static inline isc_result_t
 155 tostruct_in_nsap_ptr(ARGS_TOSTRUCT) {
 156         isc_region_t region;
 157         dns_rdata_in_nsap_ptr_t *nsap_ptr = target;
 158         dns_name_t name;
 159
 160         REQUIRE(rdata->type == 23);
 161         REQUIRE(rdata->rdclass == 1);
 162         REQUIRE(target != NULL);
 163         REQUIRE(rdata->length != 0);
 164
 165         nsap_ptr->common.rdclass = rdata->rdclass;
 166         nsap_ptr->common.rdtype = rdata->type;
 167         ISC_LINK_INIT(&nsap_ptr->common, link);
 168
 169         dns_name_init(&name, NULL);
 170         dns_rdata_toregion(rdata, &region);
 171         dns_name_fromregion(&name, &region);
 172         dns_name_init(&nsap_ptr->owner, NULL);
 173         RETERR(name_duporclone(&name, mctx, &nsap_ptr->owner));
 174         nsap_ptr->mctx = mctx;
 175         return (ISC_R_SUCCESS);
 176 }
 177
 178 static inline void
 179 freestruct_in_nsap_ptr(ARGS_FREESTRUCT) {
 180         dns_rdata_in_nsap_ptr_t *nsap_ptr = source;
 181
 182         REQUIRE(source != NULL);
 183         REQUIRE(nsap_ptr->common.rdclass == 1);
 184         REQUIRE(nsap_ptr->common.rdtype == 23);
 185
 186         if (nsap_ptr->mctx == NULL)
 187                 return;
 188
 189         dns_name_free(&nsap_ptr->owner, nsap_ptr->mctx);
 190         nsap_ptr->mctx = NULL;
 191 }
 192
 193 static inline isc_result_t
 194 additionaldata_in_nsap_ptr(ARGS_ADDLDATA) {
 195         REQUIRE(rdata->type == 23);
 196         REQUIRE(rdata->rdclass == 1);
 197
 198         UNUSED(rdata);
 199         UNUSED(add);
 200         UNUSED(arg);
 201
 202         return (ISC_R_SUCCESS);
 203 }
 204
 205 static inline isc_result_t
 206 digest_in_nsap_ptr(ARGS_DIGEST) {
 207         isc_region_t r;
 208         dns_name_t name;
 209
 210         REQUIRE(rdata->type == 23);
 211         REQUIRE(rdata->rdclass == 1);
 212
 213         dns_rdata_toregion(rdata, &r);
 214         dns_name_init(&name, NULL);
 215         dns_name_fromregion(&name, &r);
 216
 217         return (dns_name_digest(&name, digest, arg));
 218 }
 219
 220 static inline isc_boolean_t
 221 checkowner_in_nsap_ptr(ARGS_CHECKOWNER) {
 222
 223         REQUIRE(type == 23);
 224         REQUIRE(rdclass == 1);
 225
 226         UNUSED(name);
 227         UNUSED(type);
 228         UNUSED(rdclass);
 229         UNUSED(wildcard);
 230
 231         return (ISC_TRUE);
 232 }
 233
 234 static inline isc_boolean_t
 235 checknames_in_nsap_ptr(ARGS_CHECKNAMES) {
 236
 237         REQUIRE(rdata->type == 23);
 238         REQUIRE(rdata->rdclass == 1);
 239
 240         UNUSED(rdata);
 241         UNUSED(owner);
 242         UNUSED(bad);
 243
 244         return (ISC_TRUE);
 245 }
 246
 247 static inline int
 248 casecompare_in_nsap_ptr(ARGS_COMPARE) {
 249         return (compare_in_nsap_ptr(rdata1, rdata2));
 250 }
 251
 252 #endif  /* RDATA_IN_1_NSAP_PTR_23_C */