1 /* $NetBSD: eui64_109.c,v 1.1 2024/02/18 20:57:41 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_EUI64_109_C
17 #define RDATA_GENERIC_EUI64_109_C
18
19 #include <string.h>
20
21 #define RRTYPE_EUI64_ATTRIBUTES (0)
22
23 static isc_result_t
fromtext_eui64(ARGS_FROMTEXT)24 fromtext_eui64(ARGS_FROMTEXT) {
25 isc_token_t token;
26 unsigned char eui64[8];
27 unsigned int l0, l1, l2, l3, l4, l5, l6, l7;
28 int n;
29
30 REQUIRE(type == dns_rdatatype_eui64);
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_string,
39 false));
40 n = sscanf(DNS_AS_STR(token), "%2x-%2x-%2x-%2x-%2x-%2x-%2x-%2x", &l0,
41 &l1, &l2, &l3, &l4, &l5, &l6, &l7);
42 if (n != 8 || l0 > 255U || l1 > 255U || l2 > 255U || l3 > 255U ||
43 l4 > 255U || l5 > 255U || l6 > 255U || l7 > 255U)
44 {
45 return (DNS_R_BADEUI);
46 }
47
48 eui64[0] = l0;
49 eui64[1] = l1;
50 eui64[2] = l2;
51 eui64[3] = l3;
52 eui64[4] = l4;
53 eui64[5] = l5;
54 eui64[6] = l6;
55 eui64[7] = l7;
56 return (mem_tobuffer(target, eui64, sizeof(eui64)));
57 }
58
59 static isc_result_t
totext_eui64(ARGS_TOTEXT)60 totext_eui64(ARGS_TOTEXT) {
61 char buf[sizeof("xx-xx-xx-xx-xx-xx-xx-xx")];
62
63 REQUIRE(rdata->type == dns_rdatatype_eui64);
64 REQUIRE(rdata->length == 8);
65
66 UNUSED(tctx);
67
68 (void)snprintf(
69 buf, sizeof(buf), "%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x",
70 rdata->data[0], rdata->data[1], rdata->data[2], rdata->data[3],
71 rdata->data[4], rdata->data[5], rdata->data[6], rdata->data[7]);
72 return (str_totext(buf, target));
73 }
74
75 static isc_result_t
fromwire_eui64(ARGS_FROMWIRE)76 fromwire_eui64(ARGS_FROMWIRE) {
77 isc_region_t sregion;
78
79 REQUIRE(type == dns_rdatatype_eui64);
80
81 UNUSED(type);
82 UNUSED(options);
83 UNUSED(rdclass);
84 UNUSED(dctx);
85
86 isc_buffer_activeregion(source, &sregion);
87 if (sregion.length != 8) {
88 return (DNS_R_FORMERR);
89 }
90 isc_buffer_forward(source, sregion.length);
91 return (mem_tobuffer(target, sregion.base, sregion.length));
92 }
93
94 static isc_result_t
towire_eui64(ARGS_TOWIRE)95 towire_eui64(ARGS_TOWIRE) {
96 REQUIRE(rdata->type == dns_rdatatype_eui64);
97 REQUIRE(rdata->length == 8);
98
99 UNUSED(cctx);
100
101 return (mem_tobuffer(target, rdata->data, rdata->length));
102 }
103
104 static int
compare_eui64(ARGS_COMPARE)105 compare_eui64(ARGS_COMPARE) {
106 isc_region_t region1;
107 isc_region_t region2;
108
109 REQUIRE(rdata1->type == rdata2->type);
110 REQUIRE(rdata1->rdclass == rdata2->rdclass);
111 REQUIRE(rdata1->type == dns_rdatatype_eui64);
112 REQUIRE(rdata1->length == 8);
113 REQUIRE(rdata2->length == 8);
114
115 dns_rdata_toregion(rdata1, ®ion1);
116 dns_rdata_toregion(rdata2, ®ion2);
117 return (isc_region_compare(®ion1, ®ion2));
118 }
119
120 static isc_result_t
fromstruct_eui64(ARGS_FROMSTRUCT)121 fromstruct_eui64(ARGS_FROMSTRUCT) {
122 dns_rdata_eui64_t *eui64 = source;
123
124 REQUIRE(type == dns_rdatatype_eui64);
125 REQUIRE(eui64 != NULL);
126 REQUIRE(eui64->common.rdtype == type);
127 REQUIRE(eui64->common.rdclass == rdclass);
128
129 UNUSED(type);
130 UNUSED(rdclass);
131
132 return (mem_tobuffer(target, eui64->eui64, sizeof(eui64->eui64)));
133 }
134
135 static isc_result_t
tostruct_eui64(ARGS_TOSTRUCT)136 tostruct_eui64(ARGS_TOSTRUCT) {
137 dns_rdata_eui64_t *eui64 = target;
138
139 REQUIRE(rdata->type == dns_rdatatype_eui64);
140 REQUIRE(eui64 != NULL);
141 REQUIRE(rdata->length == 8);
142
143 UNUSED(mctx);
144
145 eui64->common.rdclass = rdata->rdclass;
146 eui64->common.rdtype = rdata->type;
147 ISC_LINK_INIT(&eui64->common, link);
148
149 memmove(eui64->eui64, rdata->data, rdata->length);
150 return (ISC_R_SUCCESS);
151 }
152
153 static void
freestruct_eui64(ARGS_FREESTRUCT)154 freestruct_eui64(ARGS_FREESTRUCT) {
155 dns_rdata_eui64_t *eui64 = source;
156
157 REQUIRE(eui64 != NULL);
158 REQUIRE(eui64->common.rdtype == dns_rdatatype_eui64);
159
160 return;
161 }
162
163 static isc_result_t
additionaldata_eui64(ARGS_ADDLDATA)164 additionaldata_eui64(ARGS_ADDLDATA) {
165 REQUIRE(rdata->type == dns_rdatatype_eui64);
166 REQUIRE(rdata->length == 8);
167
168 UNUSED(rdata);
169 UNUSED(add);
170 UNUSED(arg);
171
172 return (ISC_R_SUCCESS);
173 }
174
175 static isc_result_t
digest_eui64(ARGS_DIGEST)176 digest_eui64(ARGS_DIGEST) {
177 isc_region_t r;
178
179 REQUIRE(rdata->type == dns_rdatatype_eui64);
180 REQUIRE(rdata->length == 8);
181
182 dns_rdata_toregion(rdata, &r);
183
184 return ((digest)(arg, &r));
185 }
186
187 static bool
checkowner_eui64(ARGS_CHECKOWNER)188 checkowner_eui64(ARGS_CHECKOWNER) {
189 REQUIRE(type == dns_rdatatype_eui64);
190
191 UNUSED(name);
192 UNUSED(type);
193 UNUSED(rdclass);
194 UNUSED(wildcard);
195
196 return (true);
197 }
198
199 static bool
checknames_eui64(ARGS_CHECKNAMES)200 checknames_eui64(ARGS_CHECKNAMES) {
201 REQUIRE(rdata->type == dns_rdatatype_eui64);
202 REQUIRE(rdata->length == 8);
203
204 UNUSED(rdata);
205 UNUSED(owner);
206 UNUSED(bad);
207
208 return (true);
209 }
210
211 static int
casecompare_eui64(ARGS_COMPARE)212 casecompare_eui64(ARGS_COMPARE) {
213 return (compare_eui64(rdata1, rdata2));
214 }
215
216 #endif /* RDATA_GENERIC_EUI64_109_C */
217