contrib/bind-9.5.2/lib/dns/rdata/in_1/nsap-ptr_23.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: nsap-ptr_23.c,v 1.38 2007/06/19 23:47:17 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 == 23);
  36         REQUIRE(rdclass == 1);
  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         origin = (origin != NULL) ? origin : dns_rootname;
  48         RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
  49         return (ISC_R_SUCCESS);
  50 }
  51
  52 static inline isc_result_t
  53 totext_in_nsap_ptr(ARGS_TOTEXT) {
  54         isc_region_t region;
  55         dns_name_t name;
  56         dns_name_t prefix;
  57         isc_boolean_t sub;
  58
  59         REQUIRE(rdata->type == 23);
  60         REQUIRE(rdata->rdclass == 1);
  61         REQUIRE(rdata->length != 0);
  62
  63         dns_name_init(&name, NULL);
  64         dns_name_init(&prefix, NULL);
  65
  66         dns_rdata_toregion(rdata, &region);
  67         dns_name_fromregion(&name, &region);
  68
  69         sub = name_prefix(&name, tctx->origin, &prefix);
  70
  71         return (dns_name_totext(&prefix, sub, target));
  72 }
  73
  74 static inline isc_result_t
  75 fromwire_in_nsap_ptr(ARGS_FROMWIRE) {
  76         dns_name_t name;
  77
  78         REQUIRE(type == 23);
  79         REQUIRE(rdclass == 1);
  80
  81         UNUSED(type);
  82         UNUSED(rdclass);
  83
  84         dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
  85
  86         dns_name_init(&name, NULL);
  87         return (dns_name_fromwire(&name, source, dctx, options, target));
  88 }
  89
  90 static inline isc_result_t
  91 towire_in_nsap_ptr(ARGS_TOWIRE) {
  92         dns_name_t name;
  93         dns_offsets_t offsets;
  94         isc_region_t region;
  95
  96         REQUIRE(rdata->type == 23);
  97         REQUIRE(rdata->rdclass == 1);
  98         REQUIRE(rdata->length != 0);
  99
 100         dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
 101         dns_name_init(&name, offsets);
 102         dns_rdata_toregion(rdata, &region);
 103         dns_name_fromregion(&name, &region);
 104
 105         return (dns_name_towire(&name, cctx, target));
 106 }
 107
 108 static inline int
 109 compare_in_nsap_ptr(ARGS_COMPARE) {
 110         dns_name_t name1;
 111         dns_name_t name2;
 112         isc_region_t region1;
 113         isc_region_t region2;
 114
 115         REQUIRE(rdata1->type == rdata2->type);
 116         REQUIRE(rdata1->rdclass == rdata2->rdclass);
 117         REQUIRE(rdata1->type == 23);
 118         REQUIRE(rdata1->rdclass == 1);
 119         REQUIRE(rdata1->length != 0);
 120         REQUIRE(rdata2->length != 0);
 121
 122         dns_name_init(&name1, NULL);
 123         dns_name_init(&name2, NULL);
 124
 125         dns_rdata_toregion(rdata1, &region1);
 126         dns_rdata_toregion(rdata2, &region2);
 127
 128         dns_name_fromregion(&name1, &region1);
 129         dns_name_fromregion(&name2, &region2);
 130
 131         return (dns_name_rdatacompare(&name1, &name2));
 132 }
 133
 134 static inline isc_result_t
 135 fromstruct_in_nsap_ptr(ARGS_FROMSTRUCT) {
 136         dns_rdata_in_nsap_ptr_t *nsap_ptr = source;
 137         isc_region_t region;
 138
 139         REQUIRE(type == 23);
 140         REQUIRE(rdclass == 1);
 141         REQUIRE(source != NULL);
 142         REQUIRE(nsap_ptr->common.rdtype == type);
 143         REQUIRE(nsap_ptr->common.rdclass == rdclass);
 144
 145         UNUSED(type);
 146         UNUSED(rdclass);
 147
 148         dns_name_toregion(&nsap_ptr->owner, &region);
 149         return (isc_buffer_copyregion(target, &region));
 150 }
 151
 152 static inline isc_result_t
 153 tostruct_in_nsap_ptr(ARGS_TOSTRUCT) {
 154         isc_region_t region;
 155         dns_rdata_in_nsap_ptr_t *nsap_ptr = target;
 156         dns_name_t name;
 157
 158         REQUIRE(rdata->type == 23);
 159         REQUIRE(rdata->rdclass == 1);
 160         REQUIRE(target != NULL);
 161         REQUIRE(rdata->length != 0);
 162
 163         nsap_ptr->common.rdclass = rdata->rdclass;
 164         nsap_ptr->common.rdtype = rdata->type;
 165         ISC_LINK_INIT(&nsap_ptr->common, link);
 166
 167         dns_name_init(&name, NULL);
 168         dns_rdata_toregion(rdata, &region);
 169         dns_name_fromregion(&name, &region);
 170         dns_name_init(&nsap_ptr->owner, NULL);
 171         RETERR(name_duporclone(&name, mctx, &nsap_ptr->owner));
 172         nsap_ptr->mctx = mctx;
 173         return (ISC_R_SUCCESS);
 174 }
 175
 176 static inline void
 177 freestruct_in_nsap_ptr(ARGS_FREESTRUCT) {
 178         dns_rdata_in_nsap_ptr_t *nsap_ptr = source;
 179
 180         REQUIRE(source != NULL);
 181         REQUIRE(nsap_ptr->common.rdclass == 1);
 182         REQUIRE(nsap_ptr->common.rdtype == 23);
 183
 184         if (nsap_ptr->mctx == NULL)
 185                 return;
 186
 187         dns_name_free(&nsap_ptr->owner, nsap_ptr->mctx);
 188         nsap_ptr->mctx = NULL;
 189 }
 190
 191 static inline isc_result_t
 192 additionaldata_in_nsap_ptr(ARGS_ADDLDATA) {
 193         REQUIRE(rdata->type == 23);
 194         REQUIRE(rdata->rdclass == 1);
 195
 196         UNUSED(rdata);
 197         UNUSED(add);
 198         UNUSED(arg);
 199
 200         return (ISC_R_SUCCESS);
 201 }
 202
 203 static inline isc_result_t
 204 digest_in_nsap_ptr(ARGS_DIGEST) {
 205         isc_region_t r;
 206         dns_name_t name;
 207
 208         REQUIRE(rdata->type == 23);
 209         REQUIRE(rdata->rdclass == 1);
 210
 211         dns_rdata_toregion(rdata, &r);
 212         dns_name_init(&name, NULL);
 213         dns_name_fromregion(&name, &r);
 214
 215         return (dns_name_digest(&name, digest, arg));
 216 }
 217
 218 static inline isc_boolean_t
 219 checkowner_in_nsap_ptr(ARGS_CHECKOWNER) {
 220
 221         REQUIRE(type == 23);
 222         REQUIRE(rdclass == 1);
 223
 224         UNUSED(name);
 225         UNUSED(type);
 226         UNUSED(rdclass);
 227         UNUSED(wildcard);
 228
 229         return (ISC_TRUE);
 230 }
 231
 232 static inline isc_boolean_t
 233 checknames_in_nsap_ptr(ARGS_CHECKNAMES) {
 234
 235         REQUIRE(rdata->type == 23);
 236         REQUIRE(rdata->rdclass == 1);
 237
 238         UNUSED(rdata);
 239         UNUSED(owner);
 240         UNUSED(bad);
 241
 242         return (ISC_TRUE);
 243 }
 244
 245 #endif  /* RDATA_IN_1_NSAP_PTR_23_C */