1 /* $NetBSD: nsap-ptr_23.c,v 1.1 2024/02/18 20:57:46 christos Exp $ */
2
3 /*
4 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
5 *
6 * SPDX-License-Identifier: MPL-2.0
7 *
8 * This Source Code Form is subject to the terms of the Mozilla Public
9 * License, v. 2.0. If a copy of the MPL was not distributed with this
10 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
11 *
12 * See the COPYRIGHT file distributed with this work for additional
13 * information regarding copyright ownership.
14 */
15
16 /* RFC1348. Obsoleted in RFC 1706 - use PTR instead. */
17
18 #ifndef RDATA_IN_1_NSAP_PTR_23_C
19 #define RDATA_IN_1_NSAP_PTR_23_C
20
21 #define RRTYPE_NSAP_PTR_ATTRIBUTES (0)
22
23 static isc_result_t
fromtext_in_nsap_ptr(ARGS_FROMTEXT)24 fromtext_in_nsap_ptr(ARGS_FROMTEXT) {
25 isc_token_t token;
26 dns_name_t name;
27 isc_buffer_t buffer;
28
29 REQUIRE(type == dns_rdatatype_nsap_ptr);
30 REQUIRE(rdclass == dns_rdataclass_in);
31
32 UNUSED(type);
33 UNUSED(rdclass);
34 UNUSED(callbacks);
35
36 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
37 false));
38
39 dns_name_init(&name, NULL);
40 buffer_fromregion(&buffer, &token.value.as_region);
41 if (origin == NULL) {
42 origin = dns_rootname;
43 }
44 RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
45 return (ISC_R_SUCCESS);
46 }
47
48 static isc_result_t
totext_in_nsap_ptr(ARGS_TOTEXT)49 totext_in_nsap_ptr(ARGS_TOTEXT) {
50 isc_region_t region;
51 dns_name_t name;
52 dns_name_t prefix;
53 bool sub;
54
55 REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
56 REQUIRE(rdata->rdclass == dns_rdataclass_in);
57 REQUIRE(rdata->length != 0);
58
59 dns_name_init(&name, NULL);
60 dns_name_init(&prefix, NULL);
61
62 dns_rdata_toregion(rdata, ®ion);
63 dns_name_fromregion(&name, ®ion);
64
65 sub = name_prefix(&name, tctx->origin, &prefix);
66
67 return (dns_name_totext(&prefix, sub, target));
68 }
69
70 static isc_result_t
fromwire_in_nsap_ptr(ARGS_FROMWIRE)71 fromwire_in_nsap_ptr(ARGS_FROMWIRE) {
72 dns_name_t name;
73
74 REQUIRE(type == dns_rdatatype_nsap_ptr);
75 REQUIRE(rdclass == dns_rdataclass_in);
76
77 UNUSED(type);
78 UNUSED(rdclass);
79
80 dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
81
82 dns_name_init(&name, NULL);
83 return (dns_name_fromwire(&name, source, dctx, options, target));
84 }
85
86 static isc_result_t
towire_in_nsap_ptr(ARGS_TOWIRE)87 towire_in_nsap_ptr(ARGS_TOWIRE) {
88 dns_name_t name;
89 dns_offsets_t offsets;
90 isc_region_t region;
91
92 REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
93 REQUIRE(rdata->rdclass == dns_rdataclass_in);
94 REQUIRE(rdata->length != 0);
95
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);
100
101 return (dns_name_towire(&name, cctx, target));
102 }
103
104 static int
compare_in_nsap_ptr(ARGS_COMPARE)105 compare_in_nsap_ptr(ARGS_COMPARE) {
106 dns_name_t name1;
107 dns_name_t name2;
108 isc_region_t region1;
109 isc_region_t region2;
110
111 REQUIRE(rdata1->type == rdata2->type);
112 REQUIRE(rdata1->rdclass == rdata2->rdclass);
113 REQUIRE(rdata1->type == dns_rdatatype_nsap_ptr);
114 REQUIRE(rdata1->rdclass == dns_rdataclass_in);
115 REQUIRE(rdata1->length != 0);
116 REQUIRE(rdata2->length != 0);
117
118 dns_name_init(&name1, NULL);
119 dns_name_init(&name2, NULL);
120
121 dns_rdata_toregion(rdata1, ®ion1);
122 dns_rdata_toregion(rdata2, ®ion2);
123
124 dns_name_fromregion(&name1, ®ion1);
125 dns_name_fromregion(&name2, ®ion2);
126
127 return (dns_name_rdatacompare(&name1, &name2));
128 }
129
130 static isc_result_t
fromstruct_in_nsap_ptr(ARGS_FROMSTRUCT)131 fromstruct_in_nsap_ptr(ARGS_FROMSTRUCT) {
132 dns_rdata_in_nsap_ptr_t *nsap_ptr = source;
133 isc_region_t region;
134
135 REQUIRE(type == dns_rdatatype_nsap_ptr);
136 REQUIRE(rdclass == dns_rdataclass_in);
137 REQUIRE(nsap_ptr != NULL);
138 REQUIRE(nsap_ptr->common.rdtype == type);
139 REQUIRE(nsap_ptr->common.rdclass == rdclass);
140
141 UNUSED(type);
142 UNUSED(rdclass);
143
144 dns_name_toregion(&nsap_ptr->owner, ®ion);
145 return (isc_buffer_copyregion(target, ®ion));
146 }
147
148 static isc_result_t
tostruct_in_nsap_ptr(ARGS_TOSTRUCT)149 tostruct_in_nsap_ptr(ARGS_TOSTRUCT) {
150 isc_region_t region;
151 dns_rdata_in_nsap_ptr_t *nsap_ptr = target;
152 dns_name_t name;
153
154 REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
155 REQUIRE(rdata->rdclass == dns_rdataclass_in);
156 REQUIRE(nsap_ptr != NULL);
157 REQUIRE(rdata->length != 0);
158
159 nsap_ptr->common.rdclass = rdata->rdclass;
160 nsap_ptr->common.rdtype = rdata->type;
161 ISC_LINK_INIT(&nsap_ptr->common, link);
162
163 dns_name_init(&name, NULL);
164 dns_rdata_toregion(rdata, ®ion);
165 dns_name_fromregion(&name, ®ion);
166 dns_name_init(&nsap_ptr->owner, NULL);
167 RETERR(name_duporclone(&name, mctx, &nsap_ptr->owner));
168 nsap_ptr->mctx = mctx;
169 return (ISC_R_SUCCESS);
170 }
171
172 static void
freestruct_in_nsap_ptr(ARGS_FREESTRUCT)173 freestruct_in_nsap_ptr(ARGS_FREESTRUCT) {
174 dns_rdata_in_nsap_ptr_t *nsap_ptr = source;
175
176 REQUIRE(nsap_ptr != NULL);
177 REQUIRE(nsap_ptr->common.rdclass == dns_rdataclass_in);
178 REQUIRE(nsap_ptr->common.rdtype == dns_rdatatype_nsap_ptr);
179
180 if (nsap_ptr->mctx == NULL) {
181 return;
182 }
183
184 dns_name_free(&nsap_ptr->owner, nsap_ptr->mctx);
185 nsap_ptr->mctx = NULL;
186 }
187
188 static isc_result_t
additionaldata_in_nsap_ptr(ARGS_ADDLDATA)189 additionaldata_in_nsap_ptr(ARGS_ADDLDATA) {
190 REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
191 REQUIRE(rdata->rdclass == dns_rdataclass_in);
192
193 UNUSED(rdata);
194 UNUSED(add);
195 UNUSED(arg);
196
197 return (ISC_R_SUCCESS);
198 }
199
200 static isc_result_t
digest_in_nsap_ptr(ARGS_DIGEST)201 digest_in_nsap_ptr(ARGS_DIGEST) {
202 isc_region_t r;
203 dns_name_t name;
204
205 REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
206 REQUIRE(rdata->rdclass == dns_rdataclass_in);
207
208 dns_rdata_toregion(rdata, &r);
209 dns_name_init(&name, NULL);
210 dns_name_fromregion(&name, &r);
211
212 return (dns_name_digest(&name, digest, arg));
213 }
214
215 static bool
checkowner_in_nsap_ptr(ARGS_CHECKOWNER)216 checkowner_in_nsap_ptr(ARGS_CHECKOWNER) {
217 REQUIRE(type == dns_rdatatype_nsap_ptr);
218 REQUIRE(rdclass == dns_rdataclass_in);
219
220 UNUSED(name);
221 UNUSED(type);
222 UNUSED(rdclass);
223 UNUSED(wildcard);
224
225 return (true);
226 }
227
228 static bool
checknames_in_nsap_ptr(ARGS_CHECKNAMES)229 checknames_in_nsap_ptr(ARGS_CHECKNAMES) {
230 REQUIRE(rdata->type == dns_rdatatype_nsap_ptr);
231 REQUIRE(rdata->rdclass == dns_rdataclass_in);
232
233 UNUSED(rdata);
234 UNUSED(owner);
235 UNUSED(bad);
236
237 return (true);
238 }
239
240 static int
casecompare_in_nsap_ptr(ARGS_COMPARE)241 casecompare_in_nsap_ptr(ARGS_COMPARE) {
242 return (compare_in_nsap_ptr(rdata1, rdata2));
243 }
244
245 #endif /* RDATA_IN_1_NSAP_PTR_23_C */
246