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

  1/*
  2 * Copyright (C) 2004, 2005, 2007, 2009  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
 29static inline isc_result_t
 30fromtext_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
 52static inline isc_result_t
 53totext_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
 74static inline isc_result_t
 75fromwire_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
 90static inline isc_result_t
 91towire_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
108static inline int
109compare_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
134static inline isc_result_t
135fromstruct_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
152static inline isc_result_t
153tostruct_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
176static inline void
177freestruct_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
191static inline isc_result_t
192additionaldata_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
203static inline isc_result_t
204digest_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
218static inline isc_boolean_t
219checkowner_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
232static inline isc_boolean_t
233checknames_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
245static inline int
246casecompare_in_nsap_ptr(ARGS_COMPARE) {
247	return (compare_in_nsap_ptr(rdata1, rdata2));
248}
249
250#endif	/* RDATA_IN_1_NSAP_PTR_23_C */