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
fromtext_in_nsap_ptr(ARGS_FROMTEXT)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
totext_in_nsap_ptr(ARGS_TOTEXT)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, ®ion);
68 dns_name_fromregion(&name, ®ion);
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
fromwire_in_nsap_ptr(ARGS_FROMWIRE)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
towire_in_nsap_ptr(ARGS_TOWIRE)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, ®ion);
104 dns_name_fromregion(&name, ®ion);
105
106 return (dns_name_towire(&name, cctx, target));
107 }
108
109 static inline int
compare_in_nsap_ptr(ARGS_COMPARE)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, ®ion1);
127 dns_rdata_toregion(rdata2, ®ion2);
128
129 dns_name_fromregion(&name1, ®ion1);
130 dns_name_fromregion(&name2, ®ion2);
131
132 return (dns_name_rdatacompare(&name1, &name2));
133 }
134
135 static inline isc_result_t
fromstruct_in_nsap_ptr(ARGS_FROMSTRUCT)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, ®ion);
150 return (isc_buffer_copyregion(target, ®ion));
151 }
152
153 static inline isc_result_t
tostruct_in_nsap_ptr(ARGS_TOSTRUCT)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, ®ion);
170 dns_name_fromregion(&name, ®ion);
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
freestruct_in_nsap_ptr(ARGS_FREESTRUCT)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
additionaldata_in_nsap_ptr(ARGS_ADDLDATA)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
digest_in_nsap_ptr(ARGS_DIGEST)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
checkowner_in_nsap_ptr(ARGS_CHECKOWNER)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
checknames_in_nsap_ptr(ARGS_CHECKNAMES)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
casecompare_in_nsap_ptr(ARGS_COMPARE)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 */
252