1 /*
2 * Copyright (C) 2013-2015 Internet Systems Consortium, Inc. ("ISC")
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
10 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
14 * PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #ifndef RDATA_GENERIC_EUI48_108_C
18 #define RDATA_GENERIC_EUI48_108_C
19
20 #include <string.h>
21
22 #define RRTYPE_EUI48_ATTRIBUTES (0)
23
24 static inline isc_result_t
fromtext_eui48(ARGS_FROMTEXT)25 fromtext_eui48(ARGS_FROMTEXT) {
26 isc_token_t token;
27 unsigned char eui48[6];
28 unsigned int l0, l1, l2, l3, l4, l5;
29 int n;
30
31 REQUIRE(type == dns_rdatatype_eui48);
32
33 UNUSED(type);
34 UNUSED(rdclass);
35 UNUSED(origin);
36 UNUSED(options);
37 UNUSED(callbacks);
38
39 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
40 ISC_FALSE));
41 n = sscanf(DNS_AS_STR(token), "%2x-%2x-%2x-%2x-%2x-%2x",
42 &l0, &l1, &l2, &l3, &l4, &l5);
43 if (n != 6 || l0 > 255U || l1 > 255U || l2 > 255U || l3 > 255U ||
44 l4 > 255U || l5 > 255U)
45 return (DNS_R_BADEUI);
46
47 eui48[0] = l0;
48 eui48[1] = l1;
49 eui48[2] = l2;
50 eui48[3] = l3;
51 eui48[4] = l4;
52 eui48[5] = l5;
53 return (mem_tobuffer(target, eui48, sizeof(eui48)));
54 }
55
56 static inline isc_result_t
totext_eui48(ARGS_TOTEXT)57 totext_eui48(ARGS_TOTEXT) {
58 char buf[sizeof("xx-xx-xx-xx-xx-xx")];
59
60 REQUIRE(rdata->type == dns_rdatatype_eui48);
61 REQUIRE(rdata->length == 6);
62
63 UNUSED(tctx);
64
65 (void)snprintf(buf, sizeof(buf), "%02x-%02x-%02x-%02x-%02x-%02x",
66 rdata->data[0], rdata->data[1], rdata->data[2],
67 rdata->data[3], rdata->data[4], rdata->data[5]);
68 return (str_totext(buf, target));
69 }
70
71 static inline isc_result_t
fromwire_eui48(ARGS_FROMWIRE)72 fromwire_eui48(ARGS_FROMWIRE) {
73 isc_region_t sregion;
74
75 REQUIRE(type == dns_rdatatype_eui48);
76
77 UNUSED(type);
78 UNUSED(options);
79 UNUSED(rdclass);
80 UNUSED(dctx);
81
82 isc_buffer_activeregion(source, &sregion);
83 if (sregion.length != 6)
84 return (DNS_R_FORMERR);
85 isc_buffer_forward(source, sregion.length);
86 return (mem_tobuffer(target, sregion.base, sregion.length));
87 }
88
89 static inline isc_result_t
towire_eui48(ARGS_TOWIRE)90 towire_eui48(ARGS_TOWIRE) {
91
92 REQUIRE(rdata->type == dns_rdatatype_eui48);
93 REQUIRE(rdata->length == 6);
94
95 UNUSED(cctx);
96
97 return (mem_tobuffer(target, rdata->data, rdata->length));
98 }
99
100 static inline int
compare_eui48(ARGS_COMPARE)101 compare_eui48(ARGS_COMPARE) {
102 isc_region_t region1;
103 isc_region_t region2;
104
105 REQUIRE(rdata1->type == rdata2->type);
106 REQUIRE(rdata1->rdclass == rdata2->rdclass);
107 REQUIRE(rdata1->type == dns_rdatatype_eui48);
108 REQUIRE(rdata1->length == 6);
109 REQUIRE(rdata2->length == 6);
110
111 dns_rdata_toregion(rdata1, ®ion1);
112 dns_rdata_toregion(rdata2, ®ion2);
113 return (isc_region_compare(®ion1, ®ion2));
114 }
115
116 static inline isc_result_t
fromstruct_eui48(ARGS_FROMSTRUCT)117 fromstruct_eui48(ARGS_FROMSTRUCT) {
118 dns_rdata_eui48_t *eui48 = source;
119
120 REQUIRE(type == dns_rdatatype_eui48);
121 REQUIRE(source != NULL);
122 REQUIRE(eui48->common.rdtype == type);
123 REQUIRE(eui48->common.rdclass == rdclass);
124
125 UNUSED(type);
126 UNUSED(rdclass);
127
128 return (mem_tobuffer(target, eui48->eui48, sizeof(eui48->eui48)));
129 }
130
131 static inline isc_result_t
tostruct_eui48(ARGS_TOSTRUCT)132 tostruct_eui48(ARGS_TOSTRUCT) {
133 dns_rdata_eui48_t *eui48 = target;
134
135 REQUIRE(rdata->type == dns_rdatatype_eui48);
136 REQUIRE(target != NULL);
137 REQUIRE(rdata->length == 6);
138
139 UNUSED(mctx);
140
141 eui48->common.rdclass = rdata->rdclass;
142 eui48->common.rdtype = rdata->type;
143 ISC_LINK_INIT(&eui48->common, link);
144
145 memmove(eui48->eui48, rdata->data, rdata->length);
146 return (ISC_R_SUCCESS);
147 }
148
149 static inline void
freestruct_eui48(ARGS_FREESTRUCT)150 freestruct_eui48(ARGS_FREESTRUCT) {
151 dns_rdata_eui48_t *eui48 = source;
152
153 REQUIRE(source != NULL);
154 REQUIRE(eui48->common.rdtype == dns_rdatatype_eui48);
155
156 return;
157 }
158
159 static inline isc_result_t
additionaldata_eui48(ARGS_ADDLDATA)160 additionaldata_eui48(ARGS_ADDLDATA) {
161
162 REQUIRE(rdata->type == dns_rdatatype_eui48);
163 REQUIRE(rdata->length == 6);
164
165 UNUSED(rdata);
166 UNUSED(add);
167 UNUSED(arg);
168
169 return (ISC_R_SUCCESS);
170 }
171
172 static inline isc_result_t
digest_eui48(ARGS_DIGEST)173 digest_eui48(ARGS_DIGEST) {
174 isc_region_t r;
175
176 REQUIRE(rdata->type == dns_rdatatype_eui48);
177 REQUIRE(rdata->length == 6);
178
179 dns_rdata_toregion(rdata, &r);
180
181 return ((digest)(arg, &r));
182 }
183
184 static inline isc_boolean_t
checkowner_eui48(ARGS_CHECKOWNER)185 checkowner_eui48(ARGS_CHECKOWNER) {
186
187 REQUIRE(type == dns_rdatatype_eui48);
188
189 UNUSED(name);
190 UNUSED(type);
191 UNUSED(rdclass);
192 UNUSED(wildcard);
193
194 return (ISC_TRUE);
195 }
196
197 static inline isc_boolean_t
checknames_eui48(ARGS_CHECKNAMES)198 checknames_eui48(ARGS_CHECKNAMES) {
199
200 REQUIRE(rdata->type == dns_rdatatype_eui48);
201 REQUIRE(rdata->length == 6);
202
203 UNUSED(rdata);
204 UNUSED(owner);
205 UNUSED(bad);
206
207 return (ISC_TRUE);
208 }
209
210 static inline int
casecompare_eui48(ARGS_COMPARE)211 casecompare_eui48(ARGS_COMPARE) {
212 return (compare_eui48(rdata1, rdata2));
213 }
214
215 #endif /* RDATA_GENERIC_EUI48_108_C */
216