1 /* $NetBSD: nid_104.c,v 1.7 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 #ifndef RDATA_GENERIC_NID_104_C
17 #define RDATA_GENERIC_NID_104_C
18
19 #include <string.h>
20
21 #include <isc/net.h>
22
23 #define RRTYPE_NID_ATTRIBUTES (0)
24
25 static isc_result_t
fromtext_nid(ARGS_FROMTEXT)26 fromtext_nid(ARGS_FROMTEXT) {
27 isc_token_t token;
28 unsigned char locator[NS_LOCATORSZ];
29
30 REQUIRE(type == dns_rdatatype_nid);
31
32 UNUSED(type);
33 UNUSED(rdclass);
34 UNUSED(origin);
35 UNUSED(options);
36 UNUSED(callbacks);
37
38 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
39 false));
40 if (token.value.as_ulong > 0xffffU) {
41 RETTOK(ISC_R_RANGE);
42 }
43 RETERR(uint16_tobuffer(token.value.as_ulong, target));
44
45 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
46 false));
47
48 if (locator_pton(DNS_AS_STR(token), locator) != 1) {
49 RETTOK(DNS_R_SYNTAX);
50 }
51 return (mem_tobuffer(target, locator, NS_LOCATORSZ));
52 }
53
54 static isc_result_t
totext_nid(ARGS_TOTEXT)55 totext_nid(ARGS_TOTEXT) {
56 isc_region_t region;
57 char buf[sizeof("xxxx:xxxx:xxxx:xxxx")];
58 unsigned short num;
59
60 REQUIRE(rdata->type == dns_rdatatype_nid);
61 REQUIRE(rdata->length != 0);
62
63 UNUSED(tctx);
64
65 dns_rdata_toregion(rdata, ®ion);
66 num = uint16_fromregion(®ion);
67 isc_region_consume(®ion, 2);
68 snprintf(buf, sizeof(buf), "%u", num);
69 RETERR(str_totext(buf, target));
70
71 RETERR(str_totext(" ", target));
72
73 snprintf(buf, sizeof(buf), "%x:%x:%x:%x",
74 region.base[0] << 8 | region.base[1],
75 region.base[2] << 8 | region.base[3],
76 region.base[4] << 8 | region.base[5],
77 region.base[6] << 8 | region.base[7]);
78 return (str_totext(buf, target));
79 }
80
81 static isc_result_t
fromwire_nid(ARGS_FROMWIRE)82 fromwire_nid(ARGS_FROMWIRE) {
83 isc_region_t sregion;
84
85 REQUIRE(type == dns_rdatatype_nid);
86
87 UNUSED(type);
88 UNUSED(options);
89 UNUSED(rdclass);
90 UNUSED(dctx);
91
92 isc_buffer_activeregion(source, &sregion);
93 if (sregion.length != 10) {
94 return (DNS_R_FORMERR);
95 }
96 isc_buffer_forward(source, sregion.length);
97 return (mem_tobuffer(target, sregion.base, sregion.length));
98 }
99
100 static isc_result_t
towire_nid(ARGS_TOWIRE)101 towire_nid(ARGS_TOWIRE) {
102 REQUIRE(rdata->type == dns_rdatatype_nid);
103 REQUIRE(rdata->length == 10);
104
105 UNUSED(cctx);
106
107 return (mem_tobuffer(target, rdata->data, rdata->length));
108 }
109
110 static int
compare_nid(ARGS_COMPARE)111 compare_nid(ARGS_COMPARE) {
112 isc_region_t region1;
113 isc_region_t region2;
114
115 REQUIRE(rdata1->type == rdata2->type);
116 REQUIRE(rdata1->rdclass == rdata2->rdclass);
117 REQUIRE(rdata1->type == dns_rdatatype_nid);
118 REQUIRE(rdata1->length == 10);
119 REQUIRE(rdata2->length == 10);
120
121 dns_rdata_toregion(rdata1, ®ion1);
122 dns_rdata_toregion(rdata2, ®ion2);
123 return (isc_region_compare(®ion1, ®ion2));
124 }
125
126 static isc_result_t
fromstruct_nid(ARGS_FROMSTRUCT)127 fromstruct_nid(ARGS_FROMSTRUCT) {
128 dns_rdata_nid_t *nid = source;
129
130 REQUIRE(type == dns_rdatatype_nid);
131 REQUIRE(nid != NULL);
132 REQUIRE(nid->common.rdtype == type);
133 REQUIRE(nid->common.rdclass == rdclass);
134
135 UNUSED(type);
136 UNUSED(rdclass);
137
138 RETERR(uint16_tobuffer(nid->pref, target));
139 return (mem_tobuffer(target, nid->nid, sizeof(nid->nid)));
140 }
141
142 static isc_result_t
tostruct_nid(ARGS_TOSTRUCT)143 tostruct_nid(ARGS_TOSTRUCT) {
144 isc_region_t region;
145 dns_rdata_nid_t *nid = target;
146
147 REQUIRE(rdata->type == dns_rdatatype_nid);
148 REQUIRE(nid != NULL);
149 REQUIRE(rdata->length == 10);
150
151 UNUSED(mctx);
152
153 nid->common.rdclass = rdata->rdclass;
154 nid->common.rdtype = rdata->type;
155 ISC_LINK_INIT(&nid->common, link);
156
157 dns_rdata_toregion(rdata, ®ion);
158 nid->pref = uint16_fromregion(®ion);
159 memmove(nid->nid, region.base, region.length);
160 return (ISC_R_SUCCESS);
161 }
162
163 static void
freestruct_nid(ARGS_FREESTRUCT)164 freestruct_nid(ARGS_FREESTRUCT) {
165 dns_rdata_nid_t *nid = source;
166
167 REQUIRE(nid != NULL);
168 REQUIRE(nid->common.rdtype == dns_rdatatype_nid);
169
170 return;
171 }
172
173 static isc_result_t
additionaldata_nid(ARGS_ADDLDATA)174 additionaldata_nid(ARGS_ADDLDATA) {
175 REQUIRE(rdata->type == dns_rdatatype_nid);
176 REQUIRE(rdata->length == 10);
177
178 UNUSED(rdata);
179 UNUSED(add);
180 UNUSED(arg);
181
182 return (ISC_R_SUCCESS);
183 }
184
185 static isc_result_t
digest_nid(ARGS_DIGEST)186 digest_nid(ARGS_DIGEST) {
187 isc_region_t r;
188
189 REQUIRE(rdata->type == dns_rdatatype_nid);
190 REQUIRE(rdata->length == 10);
191
192 dns_rdata_toregion(rdata, &r);
193
194 return ((digest)(arg, &r));
195 }
196
197 static bool
checkowner_nid(ARGS_CHECKOWNER)198 checkowner_nid(ARGS_CHECKOWNER) {
199 REQUIRE(type == dns_rdatatype_nid);
200
201 UNUSED(name);
202 UNUSED(type);
203 UNUSED(rdclass);
204 UNUSED(wildcard);
205
206 return (true);
207 }
208
209 static bool
checknames_nid(ARGS_CHECKNAMES)210 checknames_nid(ARGS_CHECKNAMES) {
211 REQUIRE(rdata->type == dns_rdatatype_nid);
212 REQUIRE(rdata->length == 10);
213
214 UNUSED(rdata);
215 UNUSED(owner);
216 UNUSED(bad);
217
218 return (true);
219 }
220
221 static int
casecompare_nid(ARGS_COMPARE)222 casecompare_nid(ARGS_COMPARE) {
223 return (compare_nid(rdata1, rdata2));
224 }
225
226 #endif /* RDATA_GENERIC_NID_104_C */
227