1/*	$NetBSD: nid_104.c,v 1.1 2024/02/18 20:57:43 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
25static isc_result_t
26fromtext_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
54static isc_result_t
55totext_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, &region);
66	num = uint16_fromregion(&region);
67	isc_region_consume(&region, 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
81static isc_result_t
82fromwire_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
100static isc_result_t
101towire_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
110static int
111compare_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, &region1);
122	dns_rdata_toregion(rdata2, &region2);
123	return (isc_region_compare(&region1, &region2));
124}
125
126static isc_result_t
127fromstruct_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
142static isc_result_t
143tostruct_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, &region);
158	nid->pref = uint16_fromregion(&region);
159	memmove(nid->nid, region.base, region.length);
160	return (ISC_R_SUCCESS);
161}
162
163static void
164freestruct_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
173static isc_result_t
174additionaldata_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
185static isc_result_t
186digest_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
197static bool
198checkowner_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
209static bool
210checknames_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
221static int
222casecompare_nid(ARGS_COMPARE) {
223	return (compare_nid(rdata1, rdata2));
224}
225
226#endif /* RDATA_GENERIC_NID_104_C */
227