2 * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001 Internet Software Consortium.
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.
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.
18 /* $Id: dname_39.c,v 1.38 2007/06/19 23:47:17 tbox Exp $ */
20 /* Reviewed: Wed Mar 15 16:52:38 PST 2000 by explorer */
24 #ifndef RDATA_GENERIC_DNAME_39_C
25 #define RDATA_GENERIC_DNAME_39_C
27 #define RRTYPE_DNAME_ATTRIBUTES (DNS_RDATATYPEATTR_SINGLETON)
29 static inline isc_result_t
30 fromtext_dname(ARGS_FROMTEXT) {
41 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
44 dns_name_init(&name, NULL);
45 buffer_fromregion(&buffer, &token.value.as_region);
46 origin = (origin != NULL) ? origin : dns_rootname;
47 RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
48 return (ISC_R_SUCCESS);
51 static inline isc_result_t
52 totext_dname(ARGS_TOTEXT) {
58 REQUIRE(rdata->type == 39);
59 REQUIRE(rdata->length != 0);
61 dns_name_init(&name, NULL);
62 dns_name_init(&prefix, NULL);
64 dns_rdata_toregion(rdata, ®ion);
65 dns_name_fromregion(&name, ®ion);
67 sub = name_prefix(&name, tctx->origin, &prefix);
69 return (dns_name_totext(&prefix, sub, target));
72 static inline isc_result_t
73 fromwire_dname(ARGS_FROMWIRE) {
81 dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
83 dns_name_init(&name, NULL);
84 return(dns_name_fromwire(&name, source, dctx, options, target));
87 static inline isc_result_t
88 towire_dname(ARGS_TOWIRE) {
90 dns_offsets_t offsets;
93 REQUIRE(rdata->type == 39);
94 REQUIRE(rdata->length != 0);
96 dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
97 dns_name_init(&name, offsets);
98 dns_rdata_toregion(rdata, ®ion);
99 dns_name_fromregion(&name, ®ion);
101 return (dns_name_towire(&name, cctx, target));
105 compare_dname(ARGS_COMPARE) {
108 isc_region_t region1;
109 isc_region_t region2;
111 REQUIRE(rdata1->type == rdata2->type);
112 REQUIRE(rdata1->rdclass == rdata2->rdclass);
113 REQUIRE(rdata1->type == 39);
114 REQUIRE(rdata1->length != 0);
115 REQUIRE(rdata2->length != 0);
117 dns_name_init(&name1, NULL);
118 dns_name_init(&name2, NULL);
120 dns_rdata_toregion(rdata1, ®ion1);
121 dns_rdata_toregion(rdata2, ®ion2);
123 dns_name_fromregion(&name1, ®ion1);
124 dns_name_fromregion(&name2, ®ion2);
126 return (dns_name_rdatacompare(&name1, &name2));
129 static inline isc_result_t
130 fromstruct_dname(ARGS_FROMSTRUCT) {
131 dns_rdata_dname_t *dname = source;
135 REQUIRE(source != NULL);
136 REQUIRE(dname->common.rdtype == type);
137 REQUIRE(dname->common.rdclass == rdclass);
142 dns_name_toregion(&dname->dname, ®ion);
143 return (isc_buffer_copyregion(target, ®ion));
146 static inline isc_result_t
147 tostruct_dname(ARGS_TOSTRUCT) {
149 dns_rdata_dname_t *dname = target;
152 REQUIRE(rdata->type == 39);
153 REQUIRE(target != NULL);
154 REQUIRE(rdata->length != 0);
156 dname->common.rdclass = rdata->rdclass;
157 dname->common.rdtype = rdata->type;
158 ISC_LINK_INIT(&dname->common, link);
160 dns_name_init(&name, NULL);
161 dns_rdata_toregion(rdata, ®ion);
162 dns_name_fromregion(&name, ®ion);
163 dns_name_init(&dname->dname, NULL);
164 RETERR(name_duporclone(&name, mctx, &dname->dname));
166 return (ISC_R_SUCCESS);
170 freestruct_dname(ARGS_FREESTRUCT) {
171 dns_rdata_dname_t *dname = source;
173 REQUIRE(source != NULL);
174 REQUIRE(dname->common.rdtype == 39);
176 if (dname->mctx == NULL)
179 dns_name_free(&dname->dname, dname->mctx);
183 static inline isc_result_t
184 additionaldata_dname(ARGS_ADDLDATA) {
189 REQUIRE(rdata->type == 39);
191 return (ISC_R_SUCCESS);
194 static inline isc_result_t
195 digest_dname(ARGS_DIGEST) {
199 REQUIRE(rdata->type == 39);
201 dns_rdata_toregion(rdata, &r);
202 dns_name_init(&name, NULL);
203 dns_name_fromregion(&name, &r);
205 return (dns_name_digest(&name, digest, arg));
208 static inline isc_boolean_t
209 checkowner_dname(ARGS_CHECKOWNER) {
221 static inline isc_boolean_t
222 checknames_dname(ARGS_CHECKNAMES) {
224 REQUIRE(rdata->type == 39);
233 #endif /* RDATA_GENERIC_DNAME_39_C */