1 /* $NetBSD: cds_59.c,v 1.8 2022/09/23 12:15:31 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 /* draft-ietf-dnsop-delegation-trust-maintainance-14 */
17
18 #ifndef RDATA_GENERIC_CDS_59_C
19 #define RDATA_GENERIC_CDS_59_C
20
21 #define RRTYPE_CDS_ATTRIBUTES 0
22
23 #include <dns/ds.h>
24
25 static isc_result_t
fromtext_cds(ARGS_FROMTEXT)26 fromtext_cds(ARGS_FROMTEXT) {
27 REQUIRE(type == dns_rdatatype_cds);
28
29 return (generic_fromtext_ds(CALL_FROMTEXT));
30 }
31
32 static isc_result_t
totext_cds(ARGS_TOTEXT)33 totext_cds(ARGS_TOTEXT) {
34 REQUIRE(rdata != NULL);
35 REQUIRE(rdata->type == dns_rdatatype_cds);
36
37 return (generic_totext_ds(CALL_TOTEXT));
38 }
39
40 static isc_result_t
fromwire_cds(ARGS_FROMWIRE)41 fromwire_cds(ARGS_FROMWIRE) {
42 REQUIRE(type == dns_rdatatype_cds);
43
44 return (generic_fromwire_ds(CALL_FROMWIRE));
45 }
46
47 static isc_result_t
towire_cds(ARGS_TOWIRE)48 towire_cds(ARGS_TOWIRE) {
49 isc_region_t sr;
50
51 REQUIRE(rdata->type == dns_rdatatype_cds);
52 REQUIRE(rdata->length != 0);
53
54 UNUSED(cctx);
55
56 dns_rdata_toregion(rdata, &sr);
57 return (mem_tobuffer(target, sr.base, sr.length));
58 }
59
60 static int
compare_cds(ARGS_COMPARE)61 compare_cds(ARGS_COMPARE) {
62 isc_region_t r1;
63 isc_region_t r2;
64
65 REQUIRE(rdata1->type == rdata2->type);
66 REQUIRE(rdata1->rdclass == rdata2->rdclass);
67 REQUIRE(rdata1->type == dns_rdatatype_cds);
68 REQUIRE(rdata1->length != 0);
69 REQUIRE(rdata2->length != 0);
70
71 dns_rdata_toregion(rdata1, &r1);
72 dns_rdata_toregion(rdata2, &r2);
73 return (isc_region_compare(&r1, &r2));
74 }
75
76 static isc_result_t
fromstruct_cds(ARGS_FROMSTRUCT)77 fromstruct_cds(ARGS_FROMSTRUCT) {
78 REQUIRE(type == dns_rdatatype_cds);
79
80 return (generic_fromstruct_ds(CALL_FROMSTRUCT));
81 }
82
83 static isc_result_t
tostruct_cds(ARGS_TOSTRUCT)84 tostruct_cds(ARGS_TOSTRUCT) {
85 dns_rdata_cds_t *cds = target;
86
87 REQUIRE(rdata->type == dns_rdatatype_cds);
88 REQUIRE(cds != NULL);
89 REQUIRE(rdata->length != 0);
90
91 /*
92 * Checked by generic_tostruct_ds().
93 */
94 cds->common.rdclass = rdata->rdclass;
95 cds->common.rdtype = rdata->type;
96 ISC_LINK_INIT(&cds->common, link);
97
98 return (generic_tostruct_ds(CALL_TOSTRUCT));
99 }
100
101 static void
freestruct_cds(ARGS_FREESTRUCT)102 freestruct_cds(ARGS_FREESTRUCT) {
103 dns_rdata_cds_t *cds = source;
104
105 REQUIRE(cds != NULL);
106 REQUIRE(cds->common.rdtype == dns_rdatatype_cds);
107
108 if (cds->mctx == NULL) {
109 return;
110 }
111
112 if (cds->digest != NULL) {
113 isc_mem_free(cds->mctx, cds->digest);
114 }
115 cds->mctx = NULL;
116 }
117
118 static isc_result_t
additionaldata_cds(ARGS_ADDLDATA)119 additionaldata_cds(ARGS_ADDLDATA) {
120 REQUIRE(rdata->type == dns_rdatatype_cds);
121
122 UNUSED(rdata);
123 UNUSED(add);
124 UNUSED(arg);
125
126 return (ISC_R_SUCCESS);
127 }
128
129 static isc_result_t
digest_cds(ARGS_DIGEST)130 digest_cds(ARGS_DIGEST) {
131 isc_region_t r;
132
133 REQUIRE(rdata->type == dns_rdatatype_cds);
134
135 dns_rdata_toregion(rdata, &r);
136
137 return ((digest)(arg, &r));
138 }
139
140 static bool
checkowner_cds(ARGS_CHECKOWNER)141 checkowner_cds(ARGS_CHECKOWNER) {
142 REQUIRE(type == dns_rdatatype_cds);
143
144 UNUSED(name);
145 UNUSED(type);
146 UNUSED(rdclass);
147 UNUSED(wildcard);
148
149 return (true);
150 }
151
152 static bool
checknames_cds(ARGS_CHECKNAMES)153 checknames_cds(ARGS_CHECKNAMES) {
154 REQUIRE(rdata->type == dns_rdatatype_cds);
155
156 UNUSED(rdata);
157 UNUSED(owner);
158 UNUSED(bad);
159
160 return (true);
161 }
162
163 static int
casecompare_cds(ARGS_COMPARE)164 casecompare_cds(ARGS_COMPARE) {
165 return (compare_cds(rdata1, rdata2));
166 }
167
168 #endif /* RDATA_GENERIC_CDS_59_C */
169