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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
2b442ac8 LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2015 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
21 | #include <arpa/inet.h> | |
cb9eeb06 | 22 | #include <gcrypt.h> |
2b442ac8 LP |
23 | #include <netinet/in.h> |
24 | #include <sys/socket.h> | |
25 | ||
26 | #include "alloc-util.h" | |
27 | #include "resolved-dns-dnssec.h" | |
2b442ac8 LP |
28 | #include "resolved-dns-rr.h" |
29 | #include "string-util.h" | |
72667f08 | 30 | #include "hexdecoct.h" |
2b442ac8 | 31 | |
1691cfd8 ZJS |
32 | static void test_dnssec_canonicalize_one(const char *original, const char *canonical, int r) { |
33 | char canonicalized[DNSSEC_CANONICAL_HOSTNAME_MAX]; | |
a3db237b | 34 | |
1691cfd8 ZJS |
35 | assert_se(dnssec_canonicalize(original, canonicalized, sizeof(canonicalized)) == r); |
36 | if (r < 0) | |
37 | return; | |
a3db237b | 38 | |
1691cfd8 ZJS |
39 | assert_se(streq(canonicalized, canonical)); |
40 | } | |
41 | ||
42 | static void test_dnssec_canonicalize(void) { | |
43 | test_dnssec_canonicalize_one("", ".", 1); | |
44 | test_dnssec_canonicalize_one(".", ".", 1); | |
45 | test_dnssec_canonicalize_one("foo", "foo.", 4); | |
46 | test_dnssec_canonicalize_one("foo.", "foo.", 4); | |
47 | test_dnssec_canonicalize_one("FOO.", "foo.", 4); | |
48 | test_dnssec_canonicalize_one("FOO.bar.", "foo.bar.", 8); | |
49 | test_dnssec_canonicalize_one("FOO..bar.", NULL, -EINVAL); | |
50 | } | |
51 | ||
349cc4a5 | 52 | #if HAVE_GCRYPT |
1691cfd8 ZJS |
53 | |
54 | static void test_dnssec_verify_dns_key(void) { | |
55 | ||
56 | static const uint8_t ds1_fprint[] = { | |
57 | 0x46, 0x8B, 0xC8, 0xDD, 0xC7, 0xE8, 0x27, 0x03, 0x40, 0xBB, 0x8A, 0x1F, 0x3B, 0x2E, 0x45, 0x9D, | |
58 | 0x80, 0x67, 0x14, 0x01, | |
59 | }; | |
60 | static const uint8_t ds2_fprint[] = { | |
61 | 0x8A, 0xEE, 0x80, 0x47, 0x05, 0x5F, 0x83, 0xD1, 0x48, 0xBA, 0x8F, 0xF6, 0xDD, 0xA7, 0x60, 0xCE, | |
62 | 0x94, 0xF7, 0xC7, 0x5E, 0x52, 0x4C, 0xF2, 0xE9, 0x50, 0xB9, 0x2E, 0xCB, 0xEF, 0x96, 0xB9, 0x98, | |
63 | }; | |
a3db237b | 64 | static const uint8_t dnskey_blob[] = { |
1691cfd8 ZJS |
65 | 0x03, 0x01, 0x00, 0x01, 0xa8, 0x12, 0xda, 0x4f, 0xd2, 0x7d, 0x54, 0x14, 0x0e, 0xcc, 0x5b, 0x5e, |
66 | 0x45, 0x9c, 0x96, 0x98, 0xc0, 0xc0, 0x85, 0x81, 0xb1, 0x47, 0x8c, 0x7d, 0xe8, 0x39, 0x50, 0xcc, | |
67 | 0xc5, 0xd0, 0xf2, 0x00, 0x81, 0x67, 0x79, 0xf6, 0xcc, 0x9d, 0xad, 0x6c, 0xbb, 0x7b, 0x6f, 0x48, | |
68 | 0x97, 0x15, 0x1c, 0xfd, 0x0b, 0xfe, 0xd3, 0xd7, 0x7d, 0x9f, 0x81, 0x26, 0xd3, 0xc5, 0x65, 0x49, | |
69 | 0xcf, 0x46, 0x62, 0xb0, 0x55, 0x6e, 0x47, 0xc7, 0x30, 0xef, 0x51, 0xfb, 0x3e, 0xc6, 0xef, 0xde, | |
70 | 0x27, 0x3f, 0xfa, 0x57, 0x2d, 0xa7, 0x1d, 0x80, 0x46, 0x9a, 0x5f, 0x14, 0xb3, 0xb0, 0x2c, 0xbe, | |
71 | 0x72, 0xca, 0xdf, 0xb2, 0xff, 0x36, 0x5b, 0x4f, 0xec, 0x58, 0x8e, 0x8d, 0x01, 0xe9, 0xa9, 0xdf, | |
72 | 0xb5, 0x60, 0xad, 0x52, 0x4d, 0xfc, 0xa9, 0x3e, 0x8d, 0x35, 0x95, 0xb3, 0x4e, 0x0f, 0xca, 0x45, | |
73 | 0x1b, 0xf7, 0xef, 0x3a, 0x88, 0x25, 0x08, 0xc7, 0x4e, 0x06, 0xc1, 0x62, 0x1a, 0xce, 0xd8, 0x77, | |
74 | 0xbd, 0x02, 0x65, 0xf8, 0x49, 0xfb, 0xce, 0xf6, 0xa8, 0x09, 0xfc, 0xde, 0xb2, 0x09, 0x9d, 0x39, | |
75 | 0xf8, 0x63, 0x9c, 0x32, 0x42, 0x7c, 0xa0, 0x30, 0x86, 0x72, 0x7a, 0x4a, 0xc6, 0xd4, 0xb3, 0x2d, | |
76 | 0x24, 0xef, 0x96, 0x3f, 0xc2, 0xda, 0xd3, 0xf2, 0x15, 0x6f, 0xda, 0x65, 0x4b, 0x81, 0x28, 0x68, | |
77 | 0xf4, 0xfe, 0x3e, 0x71, 0x4f, 0x50, 0x96, 0x72, 0x58, 0xa1, 0x89, 0xdd, 0x01, 0x61, 0x39, 0x39, | |
78 | 0xc6, 0x76, 0xa4, 0xda, 0x02, 0x70, 0x3d, 0xc0, 0xdc, 0x8d, 0x70, 0x72, 0x04, 0x90, 0x79, 0xd4, | |
79 | 0xec, 0x65, 0xcf, 0x49, 0x35, 0x25, 0x3a, 0x14, 0x1a, 0x45, 0x20, 0xeb, 0x31, 0xaf, 0x92, 0xba, | |
80 | 0x20, 0xd3, 0xcd, 0xa7, 0x13, 0x44, 0xdc, 0xcf, 0xf0, 0x27, 0x34, 0xb9, 0xe7, 0x24, 0x6f, 0x73, | |
81 | 0xe7, 0xea, 0x77, 0x03, | |
a3db237b LP |
82 | }; |
83 | ||
1691cfd8 | 84 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *dnskey = NULL, *ds1 = NULL, *ds2 = NULL; |
a3db237b | 85 | |
1691cfd8 ZJS |
86 | /* The two DS RRs in effect for nasa.gov on 2015-12-01. */ |
87 | ds1 = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "nasa.gov"); | |
88 | assert_se(ds1); | |
a3db237b | 89 | |
1691cfd8 ZJS |
90 | ds1->ds.key_tag = 47857; |
91 | ds1->ds.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
92 | ds1->ds.digest_type = DNSSEC_DIGEST_SHA1; | |
93 | ds1->ds.digest_size = sizeof(ds1_fprint); | |
94 | ds1->ds.digest = memdup(ds1_fprint, ds1->ds.digest_size); | |
95 | assert_se(ds1->ds.digest); | |
a3db237b | 96 | |
1691cfd8 | 97 | log_info("DS1: %s", strna(dns_resource_record_to_string(ds1))); |
a3db237b | 98 | |
1691cfd8 ZJS |
99 | ds2 = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "NASA.GOV"); |
100 | assert_se(ds2); | |
a3db237b | 101 | |
1691cfd8 ZJS |
102 | ds2->ds.key_tag = 47857; |
103 | ds2->ds.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
104 | ds2->ds.digest_type = DNSSEC_DIGEST_SHA256; | |
105 | ds2->ds.digest_size = sizeof(ds2_fprint); | |
106 | ds2->ds.digest = memdup(ds2_fprint, ds2->ds.digest_size); | |
107 | assert_se(ds2->ds.digest); | |
a3db237b | 108 | |
1691cfd8 | 109 | log_info("DS2: %s", strna(dns_resource_record_to_string(ds2))); |
a3db237b | 110 | |
1691cfd8 | 111 | dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "nasa.GOV"); |
a3db237b LP |
112 | assert_se(dnskey); |
113 | ||
1691cfd8 | 114 | dnskey->dnskey.flags = 257; |
a3db237b LP |
115 | dnskey->dnskey.protocol = 3; |
116 | dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
117 | dnskey->dnskey.key_size = sizeof(dnskey_blob); | |
118 | dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); | |
119 | assert_se(dnskey->dnskey.key); | |
120 | ||
7b50eb2e | 121 | log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); |
0c857028 | 122 | log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey, false)); |
a3db237b | 123 | |
1691cfd8 ZJS |
124 | assert_se(dnssec_verify_dnskey_by_ds(dnskey, ds1, false) > 0); |
125 | assert_se(dnssec_verify_dnskey_by_ds(dnskey, ds2, false) > 0); | |
a3db237b LP |
126 | } |
127 | ||
cb9eeb06 MCO |
128 | static void test_dnssec_verify_rfc8080_ed25519_example1(void) { |
129 | static const uint8_t dnskey_blob[] = { | |
130 | 0x97, 0x4d, 0x96, 0xa2, 0x2d, 0x22, 0x4b, 0xc0, 0x1a, 0xdb, 0x91, 0x50, 0x91, 0x47, 0x7d, | |
131 | 0x44, 0xcc, 0xd9, 0x1c, 0x9a, 0x41, 0xa1, 0x14, 0x30, 0x01, 0x01, 0x17, 0xd5, 0x2c, 0x59, | |
132 | 0x24, 0xe | |
133 | }; | |
134 | static const uint8_t ds_fprint[] = { | |
135 | 0xdd, 0xa6, 0xb9, 0x69, 0xbd, 0xfb, 0x79, 0xf7, 0x1e, 0xe7, 0xb7, 0xfb, 0xdf, 0xb7, 0xdc, | |
136 | 0xd7, 0xad, 0xbb, 0xd3, 0x5d, 0xdf, 0x79, 0xed, 0x3b, 0x6d, 0xd7, 0xf6, 0xe3, 0x56, 0xdd, | |
137 | 0xd7, 0x47, 0xf7, 0x6f, 0x5f, 0x7a, 0xe1, 0xa6, 0xf9, 0xe5, 0xce, 0xfc, 0x7b, 0xbf, 0x5a, | |
138 | 0xdf, 0x4e, 0x1b | |
139 | }; | |
140 | static const uint8_t signature_blob[] = { | |
141 | 0xa0, 0xbf, 0x64, 0xac, 0x9b, 0xa7, 0xef, 0x17, 0xc1, 0x38, 0x85, 0x9c, 0x18, 0x78, 0xbb, | |
142 | 0x99, 0xa8, 0x39, 0xfe, 0x17, 0x59, 0xac, 0xa5, 0xb0, 0xd7, 0x98, 0xcf, 0x1a, 0xb1, 0xe9, | |
143 | 0x8d, 0x07, 0x91, 0x02, 0xf4, 0xdd, 0xb3, 0x36, 0x8f, 0x0f, 0xe4, 0x0b, 0xb3, 0x77, 0xf1, | |
144 | 0xf0, 0x0e, 0x0c, 0xdd, 0xed, 0xb7, 0x99, 0x16, 0x7d, 0x56, 0xb6, 0xe9, 0x32, 0x78, 0x30, | |
145 | 0x72, 0xba, 0x8d, 0x02 | |
146 | }; | |
147 | ||
148 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *dnskey = NULL, *ds = NULL, *mx = NULL, | |
149 | *rrsig = NULL; | |
150 | _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; | |
151 | DnssecResult result; | |
152 | ||
153 | dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "example.com."); | |
154 | assert_se(dnskey); | |
155 | ||
156 | dnskey->dnskey.flags = 257; | |
157 | dnskey->dnskey.protocol = 3; | |
158 | dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_ED25519; | |
159 | dnskey->dnskey.key_size = sizeof(dnskey_blob); | |
160 | dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); | |
161 | assert_se(dnskey->dnskey.key); | |
162 | ||
163 | log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); | |
164 | ||
165 | ds = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "example.com."); | |
166 | assert_se(ds); | |
167 | ||
168 | ds->ds.key_tag = 3613; | |
169 | ds->ds.algorithm = DNSSEC_ALGORITHM_ED25519; | |
170 | ds->ds.digest_type = DNSSEC_DIGEST_SHA256; | |
171 | ds->ds.digest_size = sizeof(ds_fprint); | |
172 | ds->ds.digest = memdup(ds_fprint, ds->ds.digest_size); | |
173 | assert_se(ds->ds.digest); | |
174 | ||
175 | log_info("DS: %s", strna(dns_resource_record_to_string(ds))); | |
176 | ||
177 | mx = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_MX, "example.com."); | |
178 | assert_se(mx); | |
179 | ||
180 | mx->mx.priority = 10; | |
181 | mx->mx.exchange = strdup("mail.example.com."); | |
182 | assert_se(mx->mx.exchange); | |
183 | ||
184 | log_info("MX: %s", strna(dns_resource_record_to_string(mx))); | |
185 | ||
186 | rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "example.com."); | |
187 | assert_se(rrsig); | |
188 | ||
189 | rrsig->rrsig.type_covered = DNS_TYPE_MX; | |
190 | rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_ED25519; | |
191 | rrsig->rrsig.labels = 2; | |
192 | rrsig->rrsig.original_ttl = 3600; | |
193 | rrsig->rrsig.expiration = 1440021600; | |
194 | rrsig->rrsig.inception = 1438207200; | |
195 | rrsig->rrsig.key_tag = 3613; | |
196 | rrsig->rrsig.signer = strdup("example.com."); | |
197 | assert_se(rrsig->rrsig.signer); | |
198 | rrsig->rrsig.signature_size = sizeof(signature_blob); | |
199 | rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); | |
200 | assert_se(rrsig->rrsig.signature); | |
201 | ||
202 | log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); | |
203 | ||
204 | assert_se(dnssec_key_match_rrsig(mx->key, rrsig) > 0); | |
205 | assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); | |
206 | ||
207 | answer = dns_answer_new(1); | |
208 | assert_se(answer); | |
209 | assert_se(dns_answer_add(answer, mx, 0, DNS_ANSWER_AUTHENTICATED) >= 0); | |
210 | ||
211 | assert_se(dnssec_verify_rrset(answer, mx->key, rrsig, dnskey, | |
212 | rrsig->rrsig.inception * USEC_PER_SEC, &result) >= 0); | |
213 | #if GCRYPT_VERSION_NUMBER >= 0x010600 | |
214 | assert_se(result == DNSSEC_VALIDATED); | |
215 | #else | |
216 | assert_se(result == DNSSEC_UNSUPPORTED_ALGORITHM); | |
217 | #endif | |
218 | } | |
219 | ||
220 | static void test_dnssec_verify_rfc8080_ed25519_example2(void) { | |
221 | static const uint8_t dnskey_blob[] = { | |
222 | 0xcc, 0xf9, 0xd9, 0xfd, 0x0c, 0x04, 0x7b, 0xb4, 0xbc, 0x0b, 0x94, 0x8f, 0xcf, 0x63, 0x9f, | |
223 | 0x4b, 0x94, 0x51, 0xe3, 0x40, 0x13, 0x93, 0x6f, 0xeb, 0x62, 0x71, 0x3d, 0xc4, 0x72, 0x4, | |
224 | 0x8a, 0x3b | |
225 | }; | |
226 | static const uint8_t ds_fprint[] = { | |
227 | 0xe3, 0x4d, 0x7b, 0xf3, 0x56, 0xfd, 0xdf, 0x87, 0xb7, 0xf7, 0x67, 0x5e, 0xe3, 0xdd, 0x9e, | |
228 | 0x73, 0xbe, 0xda, 0x7b, 0x67, 0xb5, 0xe5, 0xde, 0xf4, 0x7f, 0xae, 0x7b, 0xe5, 0xad, 0x5c, | |
229 | 0xd1, 0xb7, 0x39, 0xf5, 0xce, 0x76, 0xef, 0x97, 0x34, 0xe1, 0xe6, 0xde, 0xf3, 0x47, 0x3a, | |
230 | 0xeb, 0x5e, 0x1c | |
231 | }; | |
232 | static const uint8_t signature_blob[] = { | |
233 | 0xcd, 0x74, 0x34, 0x6e, 0x46, 0x20, 0x41, 0x31, 0x05, 0xc9, 0xf2, 0xf2, 0x8b, 0xd4, 0x28, | |
234 | 0x89, 0x8e, 0x83, 0xf1, 0x97, 0x58, 0xa3, 0x8c, 0x32, 0x52, 0x15, 0x62, 0xa1, 0x86, 0x57, | |
235 | 0x15, 0xd4, 0xf8, 0xd7, 0x44, 0x0f, 0x44, 0x84, 0xd0, 0x4a, 0xa2, 0x52, 0x9f, 0x34, 0x28, | |
236 | 0x4a, 0x6e, 0x69, 0xa0, 0x9e, 0xe0, 0x0f, 0xb0, 0x10, 0x47, 0x43, 0xbb, 0x2a, 0xe2, 0x39, | |
237 | 0x93, 0x6a, 0x5c, 0x06 | |
238 | }; | |
239 | ||
240 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *dnskey = NULL, *ds = NULL, *mx = NULL, | |
241 | *rrsig = NULL; | |
242 | _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; | |
243 | DnssecResult result; | |
244 | ||
245 | dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "example.com."); | |
246 | assert_se(dnskey); | |
247 | ||
248 | dnskey->dnskey.flags = 257; | |
249 | dnskey->dnskey.protocol = 3; | |
250 | dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_ED25519; | |
251 | dnskey->dnskey.key_size = sizeof(dnskey_blob); | |
252 | dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); | |
253 | assert_se(dnskey->dnskey.key); | |
254 | ||
255 | log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); | |
256 | ||
257 | ds = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "example.com."); | |
258 | assert_se(ds); | |
259 | ||
260 | ds->ds.key_tag = 35217; | |
261 | ds->ds.algorithm = DNSSEC_ALGORITHM_ED25519; | |
262 | ds->ds.digest_type = DNSSEC_DIGEST_SHA256; | |
263 | ds->ds.digest_size = sizeof(ds_fprint); | |
264 | ds->ds.digest = memdup(ds_fprint, ds->ds.digest_size); | |
265 | assert_se(ds->ds.digest); | |
266 | ||
267 | log_info("DS: %s", strna(dns_resource_record_to_string(ds))); | |
268 | ||
269 | mx = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_MX, "example.com."); | |
270 | assert_se(mx); | |
271 | ||
272 | mx->mx.priority = 10; | |
273 | mx->mx.exchange = strdup("mail.example.com."); | |
274 | assert_se(mx->mx.exchange); | |
275 | ||
276 | log_info("MX: %s", strna(dns_resource_record_to_string(mx))); | |
277 | ||
278 | rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "example.com."); | |
279 | assert_se(rrsig); | |
280 | ||
281 | rrsig->rrsig.type_covered = DNS_TYPE_MX; | |
282 | rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_ED25519; | |
283 | rrsig->rrsig.labels = 2; | |
284 | rrsig->rrsig.original_ttl = 3600; | |
285 | rrsig->rrsig.expiration = 1440021600; | |
286 | rrsig->rrsig.inception = 1438207200; | |
287 | rrsig->rrsig.key_tag = 35217; | |
288 | rrsig->rrsig.signer = strdup("example.com."); | |
289 | assert_se(rrsig->rrsig.signer); | |
290 | rrsig->rrsig.signature_size = sizeof(signature_blob); | |
291 | rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); | |
292 | assert_se(rrsig->rrsig.signature); | |
293 | ||
294 | log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); | |
295 | ||
296 | assert_se(dnssec_key_match_rrsig(mx->key, rrsig) > 0); | |
297 | assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); | |
298 | ||
299 | answer = dns_answer_new(1); | |
300 | assert_se(answer); | |
301 | assert_se(dns_answer_add(answer, mx, 0, DNS_ANSWER_AUTHENTICATED) >= 0); | |
302 | ||
303 | assert_se(dnssec_verify_rrset(answer, mx->key, rrsig, dnskey, | |
304 | rrsig->rrsig.inception * USEC_PER_SEC, &result) >= 0); | |
305 | #if GCRYPT_VERSION_NUMBER >= 0x010600 | |
306 | assert_se(result == DNSSEC_VALIDATED); | |
307 | #else | |
308 | assert_se(result == DNSSEC_UNSUPPORTED_ALGORITHM); | |
309 | #endif | |
310 | } | |
2b442ac8 LP |
311 | static void test_dnssec_verify_rrset(void) { |
312 | ||
313 | static const uint8_t signature_blob[] = { | |
314 | 0x7f, 0x79, 0xdd, 0x5e, 0x89, 0x79, 0x18, 0xd0, 0x34, 0x86, 0x8c, 0x72, 0x77, 0x75, 0x48, 0x4d, | |
315 | 0xc3, 0x7d, 0x38, 0x04, 0xab, 0xcd, 0x9e, 0x4c, 0x82, 0xb0, 0x92, 0xca, 0xe9, 0x66, 0xe9, 0x6e, | |
316 | 0x47, 0xc7, 0x68, 0x8c, 0x94, 0xf6, 0x69, 0xcb, 0x75, 0x94, 0xe6, 0x30, 0xa6, 0xfb, 0x68, 0x64, | |
317 | 0x96, 0x1a, 0x84, 0xe1, 0xdc, 0x16, 0x4c, 0x83, 0x6c, 0x44, 0xf2, 0x74, 0x4d, 0x74, 0x79, 0x8f, | |
318 | 0xf3, 0xf4, 0x63, 0x0d, 0xef, 0x5a, 0xe7, 0xe2, 0xfd, 0xf2, 0x2b, 0x38, 0x7c, 0x28, 0x96, 0x9d, | |
319 | 0xb6, 0xcd, 0x5c, 0x3b, 0x57, 0xe2, 0x24, 0x78, 0x65, 0xd0, 0x9e, 0x77, 0x83, 0x09, 0x6c, 0xff, | |
320 | 0x3d, 0x52, 0x3f, 0x6e, 0xd1, 0xed, 0x2e, 0xf9, 0xee, 0x8e, 0xa6, 0xbe, 0x9a, 0xa8, 0x87, 0x76, | |
321 | 0xd8, 0x77, 0xcc, 0x96, 0xa0, 0x98, 0xa1, 0xd1, 0x68, 0x09, 0x43, 0xcf, 0x56, 0xd9, 0xd1, 0x66, | |
322 | }; | |
323 | ||
324 | static const uint8_t dnskey_blob[] = { | |
325 | 0x03, 0x01, 0x00, 0x01, 0x9b, 0x49, 0x9b, 0xc1, 0xf9, 0x9a, 0xe0, 0x4e, 0xcf, 0xcb, 0x14, 0x45, | |
326 | 0x2e, 0xc9, 0xf9, 0x74, 0xa7, 0x18, 0xb5, 0xf3, 0xde, 0x39, 0x49, 0xdf, 0x63, 0x33, 0x97, 0x52, | |
327 | 0xe0, 0x8e, 0xac, 0x50, 0x30, 0x8e, 0x09, 0xd5, 0x24, 0x3d, 0x26, 0xa4, 0x49, 0x37, 0x2b, 0xb0, | |
328 | 0x6b, 0x1b, 0xdf, 0xde, 0x85, 0x83, 0xcb, 0x22, 0x4e, 0x60, 0x0a, 0x91, 0x1a, 0x1f, 0xc5, 0x40, | |
329 | 0xb1, 0xc3, 0x15, 0xc1, 0x54, 0x77, 0x86, 0x65, 0x53, 0xec, 0x10, 0x90, 0x0c, 0x91, 0x00, 0x5e, | |
330 | 0x15, 0xdc, 0x08, 0x02, 0x4c, 0x8c, 0x0d, 0xc0, 0xac, 0x6e, 0xc4, 0x3e, 0x1b, 0x80, 0x19, 0xe4, | |
331 | 0xf7, 0x5f, 0x77, 0x51, 0x06, 0x87, 0x61, 0xde, 0xa2, 0x18, 0x0f, 0x40, 0x8b, 0x79, 0x72, 0xfa, | |
332 | 0x8d, 0x1a, 0x44, 0x47, 0x0d, 0x8e, 0x3a, 0x2d, 0xc7, 0x39, 0xbf, 0x56, 0x28, 0x97, 0xd9, 0x20, | |
333 | 0x4f, 0x00, 0x51, 0x3b, | |
334 | }; | |
335 | ||
336 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *a = NULL, *rrsig = NULL, *dnskey = NULL; | |
337 | _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; | |
547973de | 338 | DnssecResult result; |
2b442ac8 LP |
339 | |
340 | a = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_A, "nAsA.gov"); | |
341 | assert_se(a); | |
342 | ||
343 | a->a.in_addr.s_addr = inet_addr("52.0.14.116"); | |
344 | ||
7b50eb2e | 345 | log_info("A: %s", strna(dns_resource_record_to_string(a))); |
2b442ac8 LP |
346 | |
347 | rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "NaSa.GOV."); | |
348 | assert_se(rrsig); | |
349 | ||
350 | rrsig->rrsig.type_covered = DNS_TYPE_A; | |
351 | rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
352 | rrsig->rrsig.labels = 2; | |
353 | rrsig->rrsig.original_ttl = 600; | |
354 | rrsig->rrsig.expiration = 0x5683135c; | |
355 | rrsig->rrsig.inception = 0x565b7da8; | |
356 | rrsig->rrsig.key_tag = 63876; | |
357 | rrsig->rrsig.signer = strdup("Nasa.Gov."); | |
358 | assert_se(rrsig->rrsig.signer); | |
359 | rrsig->rrsig.signature_size = sizeof(signature_blob); | |
360 | rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); | |
361 | assert_se(rrsig->rrsig.signature); | |
362 | ||
7b50eb2e | 363 | log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); |
2b442ac8 LP |
364 | |
365 | dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "nASA.gOV"); | |
366 | assert_se(dnskey); | |
367 | ||
368 | dnskey->dnskey.flags = 256; | |
369 | dnskey->dnskey.protocol = 3; | |
370 | dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
371 | dnskey->dnskey.key_size = sizeof(dnskey_blob); | |
372 | dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); | |
373 | assert_se(dnskey->dnskey.key); | |
374 | ||
7b50eb2e | 375 | log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); |
0c857028 | 376 | log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey, false)); |
2b442ac8 LP |
377 | |
378 | assert_se(dnssec_key_match_rrsig(a->key, rrsig) > 0); | |
0c857028 | 379 | assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); |
2b442ac8 LP |
380 | |
381 | answer = dns_answer_new(1); | |
382 | assert_se(answer); | |
105e1512 | 383 | assert_se(dns_answer_add(answer, a, 0, DNS_ANSWER_AUTHENTICATED) >= 0); |
2b442ac8 | 384 | |
2a326321 | 385 | /* Validate the RR as it if was 2015-12-2 today */ |
547973de LP |
386 | assert_se(dnssec_verify_rrset(answer, a->key, rrsig, dnskey, 1449092754*USEC_PER_SEC, &result) >= 0); |
387 | assert_se(result == DNSSEC_VALIDATED); | |
2b442ac8 LP |
388 | } |
389 | ||
1691cfd8 | 390 | static void test_dnssec_verify_rrset2(void) { |
2b442ac8 | 391 | |
1691cfd8 ZJS |
392 | static const uint8_t signature_blob[] = { |
393 | 0x48, 0x45, 0xc8, 0x8b, 0xc0, 0x14, 0x92, 0xf5, 0x15, 0xc6, 0x84, 0x9d, 0x2f, 0xe3, 0x32, 0x11, | |
394 | 0x7d, 0xf1, 0xe6, 0x87, 0xb9, 0x42, 0xd3, 0x8b, 0x9e, 0xaf, 0x92, 0x31, 0x0a, 0x53, 0xad, 0x8b, | |
395 | 0xa7, 0x5c, 0x83, 0x39, 0x8c, 0x28, 0xac, 0xce, 0x6e, 0x9c, 0x18, 0xe3, 0x31, 0x16, 0x6e, 0xca, | |
396 | 0x38, 0x31, 0xaf, 0xd9, 0x94, 0xf1, 0x84, 0xb1, 0xdf, 0x5a, 0xc2, 0x73, 0x22, 0xf6, 0xcb, 0xa2, | |
397 | 0xe7, 0x8c, 0x77, 0x0c, 0x74, 0x2f, 0xc2, 0x13, 0xb0, 0x93, 0x51, 0xa9, 0x4f, 0xae, 0x0a, 0xda, | |
398 | 0x45, 0xcc, 0xfd, 0x43, 0x99, 0x36, 0x9a, 0x0d, 0x21, 0xe0, 0xeb, 0x30, 0x65, 0xd4, 0xa0, 0x27, | |
399 | 0x37, 0x3b, 0xe4, 0xc1, 0xc5, 0xa1, 0x2a, 0xd1, 0x76, 0xc4, 0x7e, 0x64, 0x0e, 0x5a, 0xa6, 0x50, | |
400 | 0x24, 0xd5, 0x2c, 0xcc, 0x6d, 0xe5, 0x37, 0xea, 0xbd, 0x09, 0x34, 0xed, 0x24, 0x06, 0xa1, 0x22, | |
2b442ac8 | 401 | }; |
1691cfd8 | 402 | |
2b442ac8 | 403 | static const uint8_t dnskey_blob[] = { |
1691cfd8 ZJS |
404 | 0x03, 0x01, 0x00, 0x01, 0xc3, 0x7f, 0x1d, 0xd1, 0x1c, 0x97, 0xb1, 0x13, 0x34, 0x3a, 0x9a, 0xea, |
405 | 0xee, 0xd9, 0x5a, 0x11, 0x1b, 0x17, 0xc7, 0xe3, 0xd4, 0xda, 0x20, 0xbc, 0x5d, 0xba, 0x74, 0xe3, | |
406 | 0x37, 0x99, 0xec, 0x25, 0xce, 0x93, 0x7f, 0xbd, 0x22, 0x73, 0x7e, 0x14, 0x71, 0xe0, 0x60, 0x07, | |
407 | 0xd4, 0x39, 0x8b, 0x5e, 0xe9, 0xba, 0x25, 0xe8, 0x49, 0xe9, 0x34, 0xef, 0xfe, 0x04, 0x5c, 0xa5, | |
408 | 0x27, 0xcd, 0xa9, 0xda, 0x70, 0x05, 0x21, 0xab, 0x15, 0x82, 0x24, 0xc3, 0x94, 0xf5, 0xd7, 0xb7, | |
409 | 0xc4, 0x66, 0xcb, 0x32, 0x6e, 0x60, 0x2b, 0x55, 0x59, 0x28, 0x89, 0x8a, 0x72, 0xde, 0x88, 0x56, | |
410 | 0x27, 0x95, 0xd9, 0xac, 0x88, 0x4f, 0x65, 0x2b, 0x68, 0xfc, 0xe6, 0x41, 0xc1, 0x1b, 0xef, 0x4e, | |
411 | 0xd6, 0xc2, 0x0f, 0x64, 0x88, 0x95, 0x5e, 0xdd, 0x3a, 0x02, 0x07, 0x50, 0xa9, 0xda, 0xa4, 0x49, | |
412 | 0x74, 0x62, 0xfe, 0xd7, | |
2b442ac8 LP |
413 | }; |
414 | ||
1691cfd8 ZJS |
415 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *nsec = NULL, *rrsig = NULL, *dnskey = NULL; |
416 | _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; | |
417 | DnssecResult result; | |
2b442ac8 | 418 | |
1691cfd8 ZJS |
419 | nsec = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_NSEC, "nasa.gov"); |
420 | assert_se(nsec); | |
2b442ac8 | 421 | |
1691cfd8 ZJS |
422 | nsec->nsec.next_domain_name = strdup("3D-Printing.nasa.gov"); |
423 | assert_se(nsec->nsec.next_domain_name); | |
2b442ac8 | 424 | |
1691cfd8 ZJS |
425 | nsec->nsec.types = bitmap_new(); |
426 | assert_se(nsec->nsec.types); | |
427 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_A) >= 0); | |
428 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_NS) >= 0); | |
429 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_SOA) >= 0); | |
430 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_MX) >= 0); | |
431 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_TXT) >= 0); | |
432 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_RRSIG) >= 0); | |
433 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_NSEC) >= 0); | |
434 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_DNSKEY) >= 0); | |
435 | assert_se(bitmap_set(nsec->nsec.types, 65534) >= 0); | |
2b442ac8 | 436 | |
1691cfd8 | 437 | log_info("NSEC: %s", strna(dns_resource_record_to_string(nsec))); |
2b442ac8 | 438 | |
1691cfd8 ZJS |
439 | rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "NaSa.GOV."); |
440 | assert_se(rrsig); | |
2b442ac8 | 441 | |
1691cfd8 ZJS |
442 | rrsig->rrsig.type_covered = DNS_TYPE_NSEC; |
443 | rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
444 | rrsig->rrsig.labels = 2; | |
445 | rrsig->rrsig.original_ttl = 300; | |
446 | rrsig->rrsig.expiration = 0x5689002f; | |
447 | rrsig->rrsig.inception = 0x56617230; | |
448 | rrsig->rrsig.key_tag = 30390; | |
449 | rrsig->rrsig.signer = strdup("Nasa.Gov."); | |
450 | assert_se(rrsig->rrsig.signer); | |
451 | rrsig->rrsig.signature_size = sizeof(signature_blob); | |
452 | rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); | |
453 | assert_se(rrsig->rrsig.signature); | |
2b442ac8 | 454 | |
1691cfd8 ZJS |
455 | log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); |
456 | ||
457 | dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "nASA.gOV"); | |
2b442ac8 LP |
458 | assert_se(dnskey); |
459 | ||
1691cfd8 | 460 | dnskey->dnskey.flags = 256; |
2b442ac8 LP |
461 | dnskey->dnskey.protocol = 3; |
462 | dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
463 | dnskey->dnskey.key_size = sizeof(dnskey_blob); | |
464 | dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); | |
465 | assert_se(dnskey->dnskey.key); | |
466 | ||
7b50eb2e | 467 | log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); |
0c857028 | 468 | log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey, false)); |
2b442ac8 | 469 | |
1691cfd8 ZJS |
470 | assert_se(dnssec_key_match_rrsig(nsec->key, rrsig) > 0); |
471 | assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); | |
2b442ac8 | 472 | |
1691cfd8 ZJS |
473 | answer = dns_answer_new(1); |
474 | assert_se(answer); | |
475 | assert_se(dns_answer_add(answer, nsec, 0, DNS_ANSWER_AUTHENTICATED) >= 0); | |
2b442ac8 | 476 | |
1691cfd8 ZJS |
477 | /* Validate the RR as it if was 2015-12-11 today */ |
478 | assert_se(dnssec_verify_rrset(answer, nsec->key, rrsig, dnskey, 1449849318*USEC_PER_SEC, &result) >= 0); | |
479 | assert_se(result == DNSSEC_VALIDATED); | |
2b442ac8 LP |
480 | } |
481 | ||
72667f08 LP |
482 | static void test_dnssec_nsec3_hash(void) { |
483 | static const uint8_t salt[] = { 0xB0, 0x1D, 0xFA, 0xCE }; | |
484 | static const uint8_t next_hashed_name[] = { 0x84, 0x10, 0x26, 0x53, 0xc9, 0xfa, 0x4d, 0x85, 0x6c, 0x97, 0x82, 0xe2, 0x8f, 0xdf, 0x2d, 0x5e, 0x87, 0x69, 0xc4, 0x52 }; | |
485 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL; | |
72667f08 | 486 | uint8_t h[DNSSEC_HASH_SIZE_MAX]; |
7b50eb2e | 487 | _cleanup_free_ char *b = NULL; |
72667f08 LP |
488 | int k; |
489 | ||
490 | /* The NSEC3 RR for eurid.eu on 2015-12-14. */ | |
491 | rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_NSEC3, "PJ8S08RR45VIQDAQGE7EN3VHKNROTBMM.eurid.eu."); | |
492 | assert_se(rr); | |
493 | ||
494 | rr->nsec3.algorithm = DNSSEC_DIGEST_SHA1; | |
495 | rr->nsec3.flags = 1; | |
496 | rr->nsec3.iterations = 1; | |
497 | rr->nsec3.salt = memdup(salt, sizeof(salt)); | |
498 | assert_se(rr->nsec3.salt); | |
499 | rr->nsec3.salt_size = sizeof(salt); | |
500 | rr->nsec3.next_hashed_name = memdup(next_hashed_name, sizeof(next_hashed_name)); | |
501 | assert_se(rr->nsec3.next_hashed_name); | |
502 | rr->nsec3.next_hashed_name_size = sizeof(next_hashed_name); | |
503 | ||
7b50eb2e | 504 | log_info("NSEC3: %s", strna(dns_resource_record_to_string(rr))); |
72667f08 LP |
505 | |
506 | k = dnssec_nsec3_hash(rr, "eurid.eu", &h); | |
507 | assert_se(k >= 0); | |
508 | ||
509 | b = base32hexmem(h, k, false); | |
510 | assert_se(b); | |
511 | assert_se(strcasecmp(b, "PJ8S08RR45VIQDAQGE7EN3VHKNROTBMM") == 0); | |
512 | } | |
513 | ||
1691cfd8 ZJS |
514 | #endif |
515 | ||
2b442ac8 LP |
516 | int main(int argc, char*argv[]) { |
517 | ||
518 | test_dnssec_canonicalize(); | |
1691cfd8 | 519 | |
349cc4a5 | 520 | #if HAVE_GCRYPT |
2b442ac8 | 521 | test_dnssec_verify_dns_key(); |
cb9eeb06 MCO |
522 | test_dnssec_verify_rfc8080_ed25519_example1(); |
523 | test_dnssec_verify_rfc8080_ed25519_example2(); | |
2b442ac8 | 524 | test_dnssec_verify_rrset(); |
a3db237b | 525 | test_dnssec_verify_rrset2(); |
72667f08 | 526 | test_dnssec_nsec3_hash(); |
a915abf3 | 527 | #endif |
2b442ac8 LP |
528 | |
529 | return 0; | |
530 | } |