/contrib/bind9/lib/dns/rdata/in_1/aaaa_28.c

  1/*
  2 * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  3 * Copyright (C) 1999-2002  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: aaaa_28.c,v 1.47 2009/12/04 22:06:37 tbox Exp $ */
 19
 20/* Reviewed: Thu Mar 16 16:52:50 PST 2000 by bwelling */
 21
 22/* RFC1886 */
 23
 24#ifndef RDATA_IN_1_AAAA_28_C
 25#define RDATA_IN_1_AAAA_28_C
 26
 27#include <isc/net.h>
 28
 29#define RRTYPE_AAAA_ATTRIBUTES (0)
 30
 31static inline isc_result_t
 32fromtext_in_aaaa(ARGS_FROMTEXT) {
 33	isc_token_t token;
 34	unsigned char addr[16];
 35	isc_region_t region;
 36
 37	REQUIRE(type == 28);
 38	REQUIRE(rdclass == 1);
 39
 40	UNUSED(type);
 41	UNUSED(origin);
 42	UNUSED(options);
 43	UNUSED(rdclass);
 44	UNUSED(callbacks);
 45
 46	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
 47				      ISC_FALSE));
 48
 49	if (inet_pton(AF_INET6, DNS_AS_STR(token), addr) != 1)
 50		RETTOK(DNS_R_BADAAAA);
 51	isc_buffer_availableregion(target, &region);
 52	if (region.length < 16)
 53		return (ISC_R_NOSPACE);
 54	memcpy(region.base, addr, 16);
 55	isc_buffer_add(target, 16);
 56	return (ISC_R_SUCCESS);
 57}
 58
 59static inline isc_result_t
 60totext_in_aaaa(ARGS_TOTEXT) {
 61	isc_region_t region;
 62
 63	UNUSED(tctx);
 64
 65	REQUIRE(rdata->type == 28);
 66	REQUIRE(rdata->rdclass == 1);
 67	REQUIRE(rdata->length == 16);
 68
 69	dns_rdata_toregion(rdata, &region);
 70	return (inet_totext(AF_INET6, &region, target));
 71}
 72
 73static inline isc_result_t
 74fromwire_in_aaaa(ARGS_FROMWIRE) {
 75	isc_region_t sregion;
 76	isc_region_t tregion;
 77
 78	REQUIRE(type == 28);
 79	REQUIRE(rdclass == 1);
 80
 81	UNUSED(type);
 82	UNUSED(dctx);
 83	UNUSED(options);
 84	UNUSED(rdclass);
 85
 86	isc_buffer_activeregion(source, &sregion);
 87	isc_buffer_availableregion(target, &tregion);
 88	if (sregion.length < 16)
 89		return (ISC_R_UNEXPECTEDEND);
 90	if (tregion.length < 16)
 91		return (ISC_R_NOSPACE);
 92
 93	memcpy(tregion.base, sregion.base, 16);
 94	isc_buffer_forward(source, 16);
 95	isc_buffer_add(target, 16);
 96	return (ISC_R_SUCCESS);
 97}
 98
 99static inline isc_result_t
100towire_in_aaaa(ARGS_TOWIRE) {
101	isc_region_t region;
102
103	UNUSED(cctx);
104
105	REQUIRE(rdata->type == 28);
106	REQUIRE(rdata->rdclass == 1);
107	REQUIRE(rdata->length == 16);
108
109	isc_buffer_availableregion(target, &region);
110	if (region.length < rdata->length)
111		return (ISC_R_NOSPACE);
112	memcpy(region.base, rdata->data, rdata->length);
113	isc_buffer_add(target, 16);
114	return (ISC_R_SUCCESS);
115}
116
117static inline int
118compare_in_aaaa(ARGS_COMPARE) {
119	isc_region_t r1;
120	isc_region_t r2;
121
122	REQUIRE(rdata1->type == rdata2->type);
123	REQUIRE(rdata1->rdclass == rdata2->rdclass);
124	REQUIRE(rdata1->type == 28);
125	REQUIRE(rdata1->rdclass == 1);
126	REQUIRE(rdata1->length == 16);
127	REQUIRE(rdata2->length == 16);
128
129	dns_rdata_toregion(rdata1, &r1);
130	dns_rdata_toregion(rdata2, &r2);
131	return (isc_region_compare(&r1, &r2));
132}
133
134static inline isc_result_t
135fromstruct_in_aaaa(ARGS_FROMSTRUCT) {
136	dns_rdata_in_aaaa_t *aaaa = source;
137
138	REQUIRE(type == 28);
139	REQUIRE(rdclass == 1);
140	REQUIRE(source != NULL);
141	REQUIRE(aaaa->common.rdtype == type);
142	REQUIRE(aaaa->common.rdclass == rdclass);
143
144	UNUSED(type);
145	UNUSED(rdclass);
146
147	return (mem_tobuffer(target, aaaa->in6_addr.s6_addr, 16));
148}
149
150static inline isc_result_t
151tostruct_in_aaaa(ARGS_TOSTRUCT) {
152	dns_rdata_in_aaaa_t *aaaa = target;
153	isc_region_t r;
154
155	REQUIRE(rdata->type == 28);
156	REQUIRE(rdata->rdclass == 1);
157	REQUIRE(target != NULL);
158	REQUIRE(rdata->length == 16);
159
160	UNUSED(mctx);
161
162	aaaa->common.rdclass = rdata->rdclass;
163	aaaa->common.rdtype = rdata->type;
164	ISC_LINK_INIT(&aaaa->common, link);
165
166	dns_rdata_toregion(rdata, &r);
167	INSIST(r.length == 16);
168	memcpy(aaaa->in6_addr.s6_addr, r.base, 16);
169
170	return (ISC_R_SUCCESS);
171}
172
173static inline void
174freestruct_in_aaaa(ARGS_FREESTRUCT) {
175	dns_rdata_in_aaaa_t *aaaa = source;
176
177	REQUIRE(source != NULL);
178	REQUIRE(aaaa->common.rdclass == 1);
179	REQUIRE(aaaa->common.rdtype == 28);
180
181	UNUSED(aaaa);
182}
183
184static inline isc_result_t
185additionaldata_in_aaaa(ARGS_ADDLDATA) {
186	REQUIRE(rdata->type == 28);
187	REQUIRE(rdata->rdclass == 1);
188
189	UNUSED(rdata);
190	UNUSED(add);
191	UNUSED(arg);
192
193	return (ISC_R_SUCCESS);
194}
195
196static inline isc_result_t
197digest_in_aaaa(ARGS_DIGEST) {
198	isc_region_t r;
199
200	REQUIRE(rdata->type == 28);
201	REQUIRE(rdata->rdclass == 1);
202
203	dns_rdata_toregion(rdata, &r);
204
205	return ((digest)(arg, &r));
206}
207
208static inline isc_boolean_t
209checkowner_in_aaaa(ARGS_CHECKOWNER) {
210
211	REQUIRE(type == 28);
212	REQUIRE(rdclass == 1);
213
214	UNUSED(type);
215	UNUSED(rdclass);
216
217	return (dns_name_ishostname(name, wildcard));
218}
219
220static inline isc_boolean_t
221checknames_in_aaaa(ARGS_CHECKNAMES) {
222
223	REQUIRE(rdata->type == 28);
224	REQUIRE(rdata->rdclass == 1);
225
226	UNUSED(rdata);
227	UNUSED(owner);
228	UNUSED(bad);
229
230	return (ISC_TRUE);
231}
232
233static inline int
234casecompare_in_aaaa(ARGS_COMPARE) {
235	return (compare_in_aaaa(rdata1, rdata2));
236}
237#endif	/* RDATA_IN_1_AAAA_28_C */