contrib/bind9/lib/dns/rdata/in_1/nsap-ptr_23.c

   1 /*
   2  * Copyright (C) 2004, 2005, 2007, 2009, 2015  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: nsap-ptr_23.c,v 1.40 2009/12/04 22:06:37 tbox Exp $ */
  19
  20 /* Reviewed: Fri Mar 17 10:16:02 PST 2000 by gson */
  21
  22 /* RFC1348.  Obsoleted in RFC 1706 - use PTR instead. */
  23
  24 #ifndef RDATA_IN_1_NSAP_PTR_23_C
  25 #define RDATA_IN_1_NSAP_PTR_23_C
  26
  27 #define RRTYPE_NSAP_PTR_ATTRIBUTES (0)
  28
  29 static inline isc_result_t
  30 fromtext_in_nsap_ptr(ARGS_FROMTEXT) {
  31         isc_token_t token;
  32         dns_name_t name;
  33         isc_buffer_t buffer;
  34
  35         REQUIRE(type == dns_rdatatype_nsap_ptr);
  36         REQUIRE(rdclass == dns_rdataclass_in);
  37
  38         UNUSED(type);
  39         UNUSED(rdclass);
  40         UNUSED(callbacks);
  41
  42         RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
  43                                       ISC_FALSE));
  44
  45         dns_name_init(&name, NULL);
  46         buffer_fromregion(&buffer, &token.value.as_region);
  47         if (origin == NULL)
  48                 origin = dns_rootname;
  49         RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
  50         return (ISC_R_SUCCESS);
  51 }
  52
  53 static inline isc_result_t
  54 totext_in_nsap_ptr(ARGS_TOTEXT) {
  55         isc_region_t region;
  56         dns_name_t name;
  57         dns_name_t prefix;
  58         isc_boolean_t sub;
  59
  60         REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
  61         REQUIRE(rdata->rdclass == dns_rdataclass_in);
  62         REQUIRE(rdata->length != 0);
  63
  64         dns_name_init(&name, NULL);
  65         dns_name_init(&prefix, NULL);
  66
  67         dns_rdata_toregion(rdata, &region);
  68         dns_name_fromregion(&name, &region);
  69
  70         sub = name_prefix(&name, tctx->origin, &prefix);
  71
  72         return (dns_name_totext(&prefix, sub, target));
  73 }
  74
  75 static inline isc_result_t
  76 fromwire_in_nsap_ptr(ARGS_FROMWIRE) {
  77         dns_name_t name;
  78
  79         REQUIRE(type == dns_rdatatype_nsap_ptr);
  80         REQUIRE(rdclass == dns_rdataclass_in);
  81
  82         UNUSED(type);
  83         UNUSED(rdclass);
  84
  85         dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
  86
  87         dns_name_init(&name, NULL);
  88         return (dns_name_fromwire(&name, source, dctx, options, target));
  89 }
  90
  91 static inline isc_result_t
  92 towire_in_nsap_ptr(ARGS_TOWIRE) {
  93         dns_name_t name;
  94         dns_offsets_t offsets;
  95         isc_region_t region;
  96
  97         REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
  98         REQUIRE(rdata->rdclass == dns_rdataclass_in);
  99         REQUIRE(rdata->length != 0);
 100
 101         dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
 102         dns_name_init(&name, offsets);
 103         dns_rdata_toregion(rdata, &region);
 104         dns_name_fromregion(&name, &region);
 105
 106         return (dns_name_towire(&name, cctx, target));
 107 }
 108
 109 static inline int
 110 compare_in_nsap_ptr(ARGS_COMPARE) {
 111         dns_name_t name1;
 112         dns_name_t name2;
 113         isc_region_t region1;
 114         isc_region_t region2;
 115
 116         REQUIRE(rdata1->type == rdata2->type);
 117         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 118         REQUIRE(rdata1->type == dns_rdatatype_nsap_ptr);
 119         REQUIRE(rdata1->rdclass == dns_rdataclass_in);
 120         REQUIRE(rdata1->length != 0);
 121         REQUIRE(rdata2->length != 0);
 122
 123         dns_name_init(&name1, NULL);
 124         dns_name_init(&name2, NULL);
 125
 126         dns_rdata_toregion(rdata1, &region1);
 127         dns_rdata_toregion(rdata2, &region2);
 128
 129         dns_name_fromregion(&name1, &region1);
 130         dns_name_fromregion(&name2, &region2);
 131
 132         return (dns_name_rdatacompare(&name1, &name2));
 133 }
 134
 135 static inline isc_result_t
 136 fromstruct_in_nsap_ptr(ARGS_FROMSTRUCT) {
 137         dns_rdata_in_nsap_ptr_t *nsap_ptr = source;
 138         isc_region_t region;
 139
 140         REQUIRE(type == dns_rdatatype_nsap_ptr);
 141         REQUIRE(rdclass == dns_rdataclass_in);
 142         REQUIRE(source != NULL);
 143         REQUIRE(nsap_ptr->common.rdtype == type);
 144         REQUIRE(nsap_ptr->common.rdclass == rdclass);
 145
 146         UNUSED(type);
 147         UNUSED(rdclass);
 148
 149         dns_name_toregion(&nsap_ptr->owner, &region);
 150         return (isc_buffer_copyregion(target, &region));
 151 }
 152
 153 static inline isc_result_t
 154 tostruct_in_nsap_ptr(ARGS_TOSTRUCT) {
 155         isc_region_t region;
 156         dns_rdata_in_nsap_ptr_t *nsap_ptr = target;
 157         dns_name_t name;
 158
 159         REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
 160         REQUIRE(rdata->rdclass == dns_rdataclass_in);
 161         REQUIRE(target != NULL);
 162         REQUIRE(rdata->length != 0);
 163
 164         nsap_ptr->common.rdclass = rdata->rdclass;
 165         nsap_ptr->common.rdtype = rdata->type;
 166         ISC_LINK_INIT(&nsap_ptr->common, link);
 167
 168         dns_name_init(&name, NULL);
 169         dns_rdata_toregion(rdata, &region);
 170         dns_name_fromregion(&name, &region);
 171         dns_name_init(&nsap_ptr->owner, NULL);
 172         RETERR(name_duporclone(&name, mctx, &nsap_ptr->owner));
 173         nsap_ptr->mctx = mctx;
 174         return (ISC_R_SUCCESS);
 175 }
 176
 177 static inline void
 178 freestruct_in_nsap_ptr(ARGS_FREESTRUCT) {
 179         dns_rdata_in_nsap_ptr_t *nsap_ptr = source;
 180
 181         REQUIRE(source != NULL);
 182         REQUIRE(nsap_ptr->common.rdclass == dns_rdataclass_in);
 183         REQUIRE(nsap_ptr->common.rdtype == dns_rdatatype_nsap_ptr);
 184
 185         if (nsap_ptr->mctx == NULL)
 186                 return;
 187
 188         dns_name_free(&nsap_ptr->owner, nsap_ptr->mctx);
 189         nsap_ptr->mctx = NULL;
 190 }
 191
 192 static inline isc_result_t
 193 additionaldata_in_nsap_ptr(ARGS_ADDLDATA) {
 194         REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
 195         REQUIRE(rdata->rdclass == dns_rdataclass_in);
 196
 197         UNUSED(rdata);
 198         UNUSED(add);
 199         UNUSED(arg);
 200
 201         return (ISC_R_SUCCESS);
 202 }
 203
 204 static inline isc_result_t
 205 digest_in_nsap_ptr(ARGS_DIGEST) {
 206         isc_region_t r;
 207         dns_name_t name;
 208
 209         REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
 210         REQUIRE(rdata->rdclass == dns_rdataclass_in);
 211
 212         dns_rdata_toregion(rdata, &r);
 213         dns_name_init(&name, NULL);
 214         dns_name_fromregion(&name, &r);
 215
 216         return (dns_name_digest(&name, digest, arg));
 217 }
 218
 219 static inline isc_boolean_t
 220 checkowner_in_nsap_ptr(ARGS_CHECKOWNER) {
 221
 222         REQUIRE(type == dns_rdatatype_nsap_ptr);
 223         REQUIRE(rdclass == dns_rdataclass_in);
 224
 225         UNUSED(name);
 226         UNUSED(type);
 227         UNUSED(rdclass);
 228         UNUSED(wildcard);
 229
 230         return (ISC_TRUE);
 231 }
 232
 233 static inline isc_boolean_t
 234 checknames_in_nsap_ptr(ARGS_CHECKNAMES) {
 235
 236         REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
 237         REQUIRE(rdata->rdclass == dns_rdataclass_in);
 238
 239         UNUSED(rdata);
 240         UNUSED(owner);
 241         UNUSED(bad);
 242
 243         return (ISC_TRUE);
 244 }
 245
 246 static inline int
 247 casecompare_in_nsap_ptr(ARGS_COMPARE) {
 248         return (compare_in_nsap_ptr(rdata1, rdata2));
 249 }
 250
 251 #endif  /* RDATA_IN_1_NSAP_PTR_23_C */