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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
2b442ac8 LP |
2 | |
3 | #include <arpa/inet.h> | |
4848b1f9 | 4 | #if HAVE_GCRYPT |
cb9eeb06 | 5 | #include <gcrypt.h> |
4848b1f9 | 6 | #endif |
2b442ac8 LP |
7 | #include <netinet/in.h> |
8 | #include <sys/socket.h> | |
9 | ||
10 | #include "alloc-util.h" | |
11 | #include "resolved-dns-dnssec.h" | |
2b442ac8 LP |
12 | #include "resolved-dns-rr.h" |
13 | #include "string-util.h" | |
72667f08 | 14 | #include "hexdecoct.h" |
2b442ac8 | 15 | |
1691cfd8 ZJS |
16 | static void test_dnssec_canonicalize_one(const char *original, const char *canonical, int r) { |
17 | char canonicalized[DNSSEC_CANONICAL_HOSTNAME_MAX]; | |
a3db237b | 18 | |
1691cfd8 ZJS |
19 | assert_se(dnssec_canonicalize(original, canonicalized, sizeof(canonicalized)) == r); |
20 | if (r < 0) | |
21 | return; | |
a3db237b | 22 | |
1691cfd8 ZJS |
23 | assert_se(streq(canonicalized, canonical)); |
24 | } | |
25 | ||
26 | static void test_dnssec_canonicalize(void) { | |
27 | test_dnssec_canonicalize_one("", ".", 1); | |
28 | test_dnssec_canonicalize_one(".", ".", 1); | |
29 | test_dnssec_canonicalize_one("foo", "foo.", 4); | |
30 | test_dnssec_canonicalize_one("foo.", "foo.", 4); | |
31 | test_dnssec_canonicalize_one("FOO.", "foo.", 4); | |
32 | test_dnssec_canonicalize_one("FOO.bar.", "foo.bar.", 8); | |
33 | test_dnssec_canonicalize_one("FOO..bar.", NULL, -EINVAL); | |
34 | } | |
35 | ||
349cc4a5 | 36 | #if HAVE_GCRYPT |
1691cfd8 ZJS |
37 | |
38 | static void test_dnssec_verify_dns_key(void) { | |
39 | ||
40 | static const uint8_t ds1_fprint[] = { | |
41 | 0x46, 0x8B, 0xC8, 0xDD, 0xC7, 0xE8, 0x27, 0x03, 0x40, 0xBB, 0x8A, 0x1F, 0x3B, 0x2E, 0x45, 0x9D, | |
42 | 0x80, 0x67, 0x14, 0x01, | |
43 | }; | |
44 | static const uint8_t ds2_fprint[] = { | |
45 | 0x8A, 0xEE, 0x80, 0x47, 0x05, 0x5F, 0x83, 0xD1, 0x48, 0xBA, 0x8F, 0xF6, 0xDD, 0xA7, 0x60, 0xCE, | |
46 | 0x94, 0xF7, 0xC7, 0x5E, 0x52, 0x4C, 0xF2, 0xE9, 0x50, 0xB9, 0x2E, 0xCB, 0xEF, 0x96, 0xB9, 0x98, | |
47 | }; | |
a3db237b | 48 | static const uint8_t dnskey_blob[] = { |
1691cfd8 ZJS |
49 | 0x03, 0x01, 0x00, 0x01, 0xa8, 0x12, 0xda, 0x4f, 0xd2, 0x7d, 0x54, 0x14, 0x0e, 0xcc, 0x5b, 0x5e, |
50 | 0x45, 0x9c, 0x96, 0x98, 0xc0, 0xc0, 0x85, 0x81, 0xb1, 0x47, 0x8c, 0x7d, 0xe8, 0x39, 0x50, 0xcc, | |
51 | 0xc5, 0xd0, 0xf2, 0x00, 0x81, 0x67, 0x79, 0xf6, 0xcc, 0x9d, 0xad, 0x6c, 0xbb, 0x7b, 0x6f, 0x48, | |
52 | 0x97, 0x15, 0x1c, 0xfd, 0x0b, 0xfe, 0xd3, 0xd7, 0x7d, 0x9f, 0x81, 0x26, 0xd3, 0xc5, 0x65, 0x49, | |
53 | 0xcf, 0x46, 0x62, 0xb0, 0x55, 0x6e, 0x47, 0xc7, 0x30, 0xef, 0x51, 0xfb, 0x3e, 0xc6, 0xef, 0xde, | |
54 | 0x27, 0x3f, 0xfa, 0x57, 0x2d, 0xa7, 0x1d, 0x80, 0x46, 0x9a, 0x5f, 0x14, 0xb3, 0xb0, 0x2c, 0xbe, | |
55 | 0x72, 0xca, 0xdf, 0xb2, 0xff, 0x36, 0x5b, 0x4f, 0xec, 0x58, 0x8e, 0x8d, 0x01, 0xe9, 0xa9, 0xdf, | |
56 | 0xb5, 0x60, 0xad, 0x52, 0x4d, 0xfc, 0xa9, 0x3e, 0x8d, 0x35, 0x95, 0xb3, 0x4e, 0x0f, 0xca, 0x45, | |
57 | 0x1b, 0xf7, 0xef, 0x3a, 0x88, 0x25, 0x08, 0xc7, 0x4e, 0x06, 0xc1, 0x62, 0x1a, 0xce, 0xd8, 0x77, | |
58 | 0xbd, 0x02, 0x65, 0xf8, 0x49, 0xfb, 0xce, 0xf6, 0xa8, 0x09, 0xfc, 0xde, 0xb2, 0x09, 0x9d, 0x39, | |
59 | 0xf8, 0x63, 0x9c, 0x32, 0x42, 0x7c, 0xa0, 0x30, 0x86, 0x72, 0x7a, 0x4a, 0xc6, 0xd4, 0xb3, 0x2d, | |
60 | 0x24, 0xef, 0x96, 0x3f, 0xc2, 0xda, 0xd3, 0xf2, 0x15, 0x6f, 0xda, 0x65, 0x4b, 0x81, 0x28, 0x68, | |
61 | 0xf4, 0xfe, 0x3e, 0x71, 0x4f, 0x50, 0x96, 0x72, 0x58, 0xa1, 0x89, 0xdd, 0x01, 0x61, 0x39, 0x39, | |
62 | 0xc6, 0x76, 0xa4, 0xda, 0x02, 0x70, 0x3d, 0xc0, 0xdc, 0x8d, 0x70, 0x72, 0x04, 0x90, 0x79, 0xd4, | |
63 | 0xec, 0x65, 0xcf, 0x49, 0x35, 0x25, 0x3a, 0x14, 0x1a, 0x45, 0x20, 0xeb, 0x31, 0xaf, 0x92, 0xba, | |
64 | 0x20, 0xd3, 0xcd, 0xa7, 0x13, 0x44, 0xdc, 0xcf, 0xf0, 0x27, 0x34, 0xb9, 0xe7, 0x24, 0x6f, 0x73, | |
65 | 0xe7, 0xea, 0x77, 0x03, | |
a3db237b LP |
66 | }; |
67 | ||
1691cfd8 | 68 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *dnskey = NULL, *ds1 = NULL, *ds2 = NULL; |
a3db237b | 69 | |
1691cfd8 ZJS |
70 | /* The two DS RRs in effect for nasa.gov on 2015-12-01. */ |
71 | ds1 = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "nasa.gov"); | |
72 | assert_se(ds1); | |
a3db237b | 73 | |
1691cfd8 ZJS |
74 | ds1->ds.key_tag = 47857; |
75 | ds1->ds.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
76 | ds1->ds.digest_type = DNSSEC_DIGEST_SHA1; | |
77 | ds1->ds.digest_size = sizeof(ds1_fprint); | |
78 | ds1->ds.digest = memdup(ds1_fprint, ds1->ds.digest_size); | |
79 | assert_se(ds1->ds.digest); | |
a3db237b | 80 | |
1691cfd8 | 81 | log_info("DS1: %s", strna(dns_resource_record_to_string(ds1))); |
a3db237b | 82 | |
1691cfd8 ZJS |
83 | ds2 = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "NASA.GOV"); |
84 | assert_se(ds2); | |
a3db237b | 85 | |
1691cfd8 ZJS |
86 | ds2->ds.key_tag = 47857; |
87 | ds2->ds.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
88 | ds2->ds.digest_type = DNSSEC_DIGEST_SHA256; | |
89 | ds2->ds.digest_size = sizeof(ds2_fprint); | |
90 | ds2->ds.digest = memdup(ds2_fprint, ds2->ds.digest_size); | |
91 | assert_se(ds2->ds.digest); | |
a3db237b | 92 | |
1691cfd8 | 93 | log_info("DS2: %s", strna(dns_resource_record_to_string(ds2))); |
a3db237b | 94 | |
1691cfd8 | 95 | dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "nasa.GOV"); |
a3db237b LP |
96 | assert_se(dnskey); |
97 | ||
1691cfd8 | 98 | dnskey->dnskey.flags = 257; |
a3db237b LP |
99 | dnskey->dnskey.protocol = 3; |
100 | dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
101 | dnskey->dnskey.key_size = sizeof(dnskey_blob); | |
102 | dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); | |
103 | assert_se(dnskey->dnskey.key); | |
104 | ||
7b50eb2e | 105 | log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); |
0c857028 | 106 | log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey, false)); |
a3db237b | 107 | |
1691cfd8 ZJS |
108 | assert_se(dnssec_verify_dnskey_by_ds(dnskey, ds1, false) > 0); |
109 | assert_se(dnssec_verify_dnskey_by_ds(dnskey, ds2, false) > 0); | |
a3db237b LP |
110 | } |
111 | ||
cb9eeb06 MCO |
112 | static void test_dnssec_verify_rfc8080_ed25519_example1(void) { |
113 | static const uint8_t dnskey_blob[] = { | |
114 | 0x97, 0x4d, 0x96, 0xa2, 0x2d, 0x22, 0x4b, 0xc0, 0x1a, 0xdb, 0x91, 0x50, 0x91, 0x47, 0x7d, | |
115 | 0x44, 0xcc, 0xd9, 0x1c, 0x9a, 0x41, 0xa1, 0x14, 0x30, 0x01, 0x01, 0x17, 0xd5, 0x2c, 0x59, | |
116 | 0x24, 0xe | |
117 | }; | |
118 | static const uint8_t ds_fprint[] = { | |
119 | 0xdd, 0xa6, 0xb9, 0x69, 0xbd, 0xfb, 0x79, 0xf7, 0x1e, 0xe7, 0xb7, 0xfb, 0xdf, 0xb7, 0xdc, | |
120 | 0xd7, 0xad, 0xbb, 0xd3, 0x5d, 0xdf, 0x79, 0xed, 0x3b, 0x6d, 0xd7, 0xf6, 0xe3, 0x56, 0xdd, | |
121 | 0xd7, 0x47, 0xf7, 0x6f, 0x5f, 0x7a, 0xe1, 0xa6, 0xf9, 0xe5, 0xce, 0xfc, 0x7b, 0xbf, 0x5a, | |
122 | 0xdf, 0x4e, 0x1b | |
123 | }; | |
124 | static const uint8_t signature_blob[] = { | |
125 | 0xa0, 0xbf, 0x64, 0xac, 0x9b, 0xa7, 0xef, 0x17, 0xc1, 0x38, 0x85, 0x9c, 0x18, 0x78, 0xbb, | |
126 | 0x99, 0xa8, 0x39, 0xfe, 0x17, 0x59, 0xac, 0xa5, 0xb0, 0xd7, 0x98, 0xcf, 0x1a, 0xb1, 0xe9, | |
127 | 0x8d, 0x07, 0x91, 0x02, 0xf4, 0xdd, 0xb3, 0x36, 0x8f, 0x0f, 0xe4, 0x0b, 0xb3, 0x77, 0xf1, | |
128 | 0xf0, 0x0e, 0x0c, 0xdd, 0xed, 0xb7, 0x99, 0x16, 0x7d, 0x56, 0xb6, 0xe9, 0x32, 0x78, 0x30, | |
129 | 0x72, 0xba, 0x8d, 0x02 | |
130 | }; | |
131 | ||
132 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *dnskey = NULL, *ds = NULL, *mx = NULL, | |
133 | *rrsig = NULL; | |
134 | _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; | |
135 | DnssecResult result; | |
136 | ||
137 | dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "example.com."); | |
138 | assert_se(dnskey); | |
139 | ||
140 | dnskey->dnskey.flags = 257; | |
141 | dnskey->dnskey.protocol = 3; | |
142 | dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_ED25519; | |
143 | dnskey->dnskey.key_size = sizeof(dnskey_blob); | |
144 | dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); | |
145 | assert_se(dnskey->dnskey.key); | |
146 | ||
147 | log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); | |
148 | ||
149 | ds = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "example.com."); | |
150 | assert_se(ds); | |
151 | ||
152 | ds->ds.key_tag = 3613; | |
153 | ds->ds.algorithm = DNSSEC_ALGORITHM_ED25519; | |
154 | ds->ds.digest_type = DNSSEC_DIGEST_SHA256; | |
155 | ds->ds.digest_size = sizeof(ds_fprint); | |
156 | ds->ds.digest = memdup(ds_fprint, ds->ds.digest_size); | |
157 | assert_se(ds->ds.digest); | |
158 | ||
159 | log_info("DS: %s", strna(dns_resource_record_to_string(ds))); | |
160 | ||
161 | mx = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_MX, "example.com."); | |
162 | assert_se(mx); | |
163 | ||
164 | mx->mx.priority = 10; | |
165 | mx->mx.exchange = strdup("mail.example.com."); | |
166 | assert_se(mx->mx.exchange); | |
167 | ||
168 | log_info("MX: %s", strna(dns_resource_record_to_string(mx))); | |
169 | ||
170 | rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "example.com."); | |
171 | assert_se(rrsig); | |
172 | ||
173 | rrsig->rrsig.type_covered = DNS_TYPE_MX; | |
174 | rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_ED25519; | |
175 | rrsig->rrsig.labels = 2; | |
176 | rrsig->rrsig.original_ttl = 3600; | |
177 | rrsig->rrsig.expiration = 1440021600; | |
178 | rrsig->rrsig.inception = 1438207200; | |
179 | rrsig->rrsig.key_tag = 3613; | |
180 | rrsig->rrsig.signer = strdup("example.com."); | |
181 | assert_se(rrsig->rrsig.signer); | |
182 | rrsig->rrsig.signature_size = sizeof(signature_blob); | |
183 | rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); | |
184 | assert_se(rrsig->rrsig.signature); | |
185 | ||
186 | log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); | |
187 | ||
188 | assert_se(dnssec_key_match_rrsig(mx->key, rrsig) > 0); | |
189 | assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); | |
190 | ||
191 | answer = dns_answer_new(1); | |
192 | assert_se(answer); | |
193 | assert_se(dns_answer_add(answer, mx, 0, DNS_ANSWER_AUTHENTICATED) >= 0); | |
194 | ||
195 | assert_se(dnssec_verify_rrset(answer, mx->key, rrsig, dnskey, | |
196 | rrsig->rrsig.inception * USEC_PER_SEC, &result) >= 0); | |
197 | #if GCRYPT_VERSION_NUMBER >= 0x010600 | |
198 | assert_se(result == DNSSEC_VALIDATED); | |
199 | #else | |
200 | assert_se(result == DNSSEC_UNSUPPORTED_ALGORITHM); | |
201 | #endif | |
202 | } | |
203 | ||
204 | static void test_dnssec_verify_rfc8080_ed25519_example2(void) { | |
205 | static const uint8_t dnskey_blob[] = { | |
206 | 0xcc, 0xf9, 0xd9, 0xfd, 0x0c, 0x04, 0x7b, 0xb4, 0xbc, 0x0b, 0x94, 0x8f, 0xcf, 0x63, 0x9f, | |
207 | 0x4b, 0x94, 0x51, 0xe3, 0x40, 0x13, 0x93, 0x6f, 0xeb, 0x62, 0x71, 0x3d, 0xc4, 0x72, 0x4, | |
208 | 0x8a, 0x3b | |
209 | }; | |
210 | static const uint8_t ds_fprint[] = { | |
211 | 0xe3, 0x4d, 0x7b, 0xf3, 0x56, 0xfd, 0xdf, 0x87, 0xb7, 0xf7, 0x67, 0x5e, 0xe3, 0xdd, 0x9e, | |
212 | 0x73, 0xbe, 0xda, 0x7b, 0x67, 0xb5, 0xe5, 0xde, 0xf4, 0x7f, 0xae, 0x7b, 0xe5, 0xad, 0x5c, | |
213 | 0xd1, 0xb7, 0x39, 0xf5, 0xce, 0x76, 0xef, 0x97, 0x34, 0xe1, 0xe6, 0xde, 0xf3, 0x47, 0x3a, | |
214 | 0xeb, 0x5e, 0x1c | |
215 | }; | |
216 | static const uint8_t signature_blob[] = { | |
217 | 0xcd, 0x74, 0x34, 0x6e, 0x46, 0x20, 0x41, 0x31, 0x05, 0xc9, 0xf2, 0xf2, 0x8b, 0xd4, 0x28, | |
218 | 0x89, 0x8e, 0x83, 0xf1, 0x97, 0x58, 0xa3, 0x8c, 0x32, 0x52, 0x15, 0x62, 0xa1, 0x86, 0x57, | |
219 | 0x15, 0xd4, 0xf8, 0xd7, 0x44, 0x0f, 0x44, 0x84, 0xd0, 0x4a, 0xa2, 0x52, 0x9f, 0x34, 0x28, | |
220 | 0x4a, 0x6e, 0x69, 0xa0, 0x9e, 0xe0, 0x0f, 0xb0, 0x10, 0x47, 0x43, 0xbb, 0x2a, 0xe2, 0x39, | |
221 | 0x93, 0x6a, 0x5c, 0x06 | |
222 | }; | |
223 | ||
224 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *dnskey = NULL, *ds = NULL, *mx = NULL, | |
225 | *rrsig = NULL; | |
226 | _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; | |
227 | DnssecResult result; | |
228 | ||
229 | dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "example.com."); | |
230 | assert_se(dnskey); | |
231 | ||
232 | dnskey->dnskey.flags = 257; | |
233 | dnskey->dnskey.protocol = 3; | |
234 | dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_ED25519; | |
235 | dnskey->dnskey.key_size = sizeof(dnskey_blob); | |
236 | dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); | |
237 | assert_se(dnskey->dnskey.key); | |
238 | ||
239 | log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); | |
240 | ||
241 | ds = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "example.com."); | |
242 | assert_se(ds); | |
243 | ||
244 | ds->ds.key_tag = 35217; | |
245 | ds->ds.algorithm = DNSSEC_ALGORITHM_ED25519; | |
246 | ds->ds.digest_type = DNSSEC_DIGEST_SHA256; | |
247 | ds->ds.digest_size = sizeof(ds_fprint); | |
248 | ds->ds.digest = memdup(ds_fprint, ds->ds.digest_size); | |
249 | assert_se(ds->ds.digest); | |
250 | ||
251 | log_info("DS: %s", strna(dns_resource_record_to_string(ds))); | |
252 | ||
253 | mx = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_MX, "example.com."); | |
254 | assert_se(mx); | |
255 | ||
256 | mx->mx.priority = 10; | |
257 | mx->mx.exchange = strdup("mail.example.com."); | |
258 | assert_se(mx->mx.exchange); | |
259 | ||
260 | log_info("MX: %s", strna(dns_resource_record_to_string(mx))); | |
261 | ||
262 | rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "example.com."); | |
263 | assert_se(rrsig); | |
264 | ||
265 | rrsig->rrsig.type_covered = DNS_TYPE_MX; | |
266 | rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_ED25519; | |
267 | rrsig->rrsig.labels = 2; | |
268 | rrsig->rrsig.original_ttl = 3600; | |
269 | rrsig->rrsig.expiration = 1440021600; | |
270 | rrsig->rrsig.inception = 1438207200; | |
271 | rrsig->rrsig.key_tag = 35217; | |
272 | rrsig->rrsig.signer = strdup("example.com."); | |
273 | assert_se(rrsig->rrsig.signer); | |
274 | rrsig->rrsig.signature_size = sizeof(signature_blob); | |
275 | rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); | |
276 | assert_se(rrsig->rrsig.signature); | |
277 | ||
278 | log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); | |
279 | ||
280 | assert_se(dnssec_key_match_rrsig(mx->key, rrsig) > 0); | |
281 | assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); | |
282 | ||
283 | answer = dns_answer_new(1); | |
284 | assert_se(answer); | |
285 | assert_se(dns_answer_add(answer, mx, 0, DNS_ANSWER_AUTHENTICATED) >= 0); | |
286 | ||
287 | assert_se(dnssec_verify_rrset(answer, mx->key, rrsig, dnskey, | |
288 | rrsig->rrsig.inception * USEC_PER_SEC, &result) >= 0); | |
289 | #if GCRYPT_VERSION_NUMBER >= 0x010600 | |
290 | assert_se(result == DNSSEC_VALIDATED); | |
291 | #else | |
292 | assert_se(result == DNSSEC_UNSUPPORTED_ALGORITHM); | |
293 | #endif | |
294 | } | |
2b442ac8 LP |
295 | static void test_dnssec_verify_rrset(void) { |
296 | ||
297 | static const uint8_t signature_blob[] = { | |
298 | 0x7f, 0x79, 0xdd, 0x5e, 0x89, 0x79, 0x18, 0xd0, 0x34, 0x86, 0x8c, 0x72, 0x77, 0x75, 0x48, 0x4d, | |
299 | 0xc3, 0x7d, 0x38, 0x04, 0xab, 0xcd, 0x9e, 0x4c, 0x82, 0xb0, 0x92, 0xca, 0xe9, 0x66, 0xe9, 0x6e, | |
300 | 0x47, 0xc7, 0x68, 0x8c, 0x94, 0xf6, 0x69, 0xcb, 0x75, 0x94, 0xe6, 0x30, 0xa6, 0xfb, 0x68, 0x64, | |
301 | 0x96, 0x1a, 0x84, 0xe1, 0xdc, 0x16, 0x4c, 0x83, 0x6c, 0x44, 0xf2, 0x74, 0x4d, 0x74, 0x79, 0x8f, | |
302 | 0xf3, 0xf4, 0x63, 0x0d, 0xef, 0x5a, 0xe7, 0xe2, 0xfd, 0xf2, 0x2b, 0x38, 0x7c, 0x28, 0x96, 0x9d, | |
303 | 0xb6, 0xcd, 0x5c, 0x3b, 0x57, 0xe2, 0x24, 0x78, 0x65, 0xd0, 0x9e, 0x77, 0x83, 0x09, 0x6c, 0xff, | |
304 | 0x3d, 0x52, 0x3f, 0x6e, 0xd1, 0xed, 0x2e, 0xf9, 0xee, 0x8e, 0xa6, 0xbe, 0x9a, 0xa8, 0x87, 0x76, | |
305 | 0xd8, 0x77, 0xcc, 0x96, 0xa0, 0x98, 0xa1, 0xd1, 0x68, 0x09, 0x43, 0xcf, 0x56, 0xd9, 0xd1, 0x66, | |
306 | }; | |
307 | ||
308 | static const uint8_t dnskey_blob[] = { | |
309 | 0x03, 0x01, 0x00, 0x01, 0x9b, 0x49, 0x9b, 0xc1, 0xf9, 0x9a, 0xe0, 0x4e, 0xcf, 0xcb, 0x14, 0x45, | |
310 | 0x2e, 0xc9, 0xf9, 0x74, 0xa7, 0x18, 0xb5, 0xf3, 0xde, 0x39, 0x49, 0xdf, 0x63, 0x33, 0x97, 0x52, | |
311 | 0xe0, 0x8e, 0xac, 0x50, 0x30, 0x8e, 0x09, 0xd5, 0x24, 0x3d, 0x26, 0xa4, 0x49, 0x37, 0x2b, 0xb0, | |
312 | 0x6b, 0x1b, 0xdf, 0xde, 0x85, 0x83, 0xcb, 0x22, 0x4e, 0x60, 0x0a, 0x91, 0x1a, 0x1f, 0xc5, 0x40, | |
313 | 0xb1, 0xc3, 0x15, 0xc1, 0x54, 0x77, 0x86, 0x65, 0x53, 0xec, 0x10, 0x90, 0x0c, 0x91, 0x00, 0x5e, | |
314 | 0x15, 0xdc, 0x08, 0x02, 0x4c, 0x8c, 0x0d, 0xc0, 0xac, 0x6e, 0xc4, 0x3e, 0x1b, 0x80, 0x19, 0xe4, | |
315 | 0xf7, 0x5f, 0x77, 0x51, 0x06, 0x87, 0x61, 0xde, 0xa2, 0x18, 0x0f, 0x40, 0x8b, 0x79, 0x72, 0xfa, | |
316 | 0x8d, 0x1a, 0x44, 0x47, 0x0d, 0x8e, 0x3a, 0x2d, 0xc7, 0x39, 0xbf, 0x56, 0x28, 0x97, 0xd9, 0x20, | |
317 | 0x4f, 0x00, 0x51, 0x3b, | |
318 | }; | |
319 | ||
320 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *a = NULL, *rrsig = NULL, *dnskey = NULL; | |
321 | _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; | |
547973de | 322 | DnssecResult result; |
2b442ac8 LP |
323 | |
324 | a = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_A, "nAsA.gov"); | |
325 | assert_se(a); | |
326 | ||
327 | a->a.in_addr.s_addr = inet_addr("52.0.14.116"); | |
328 | ||
7b50eb2e | 329 | log_info("A: %s", strna(dns_resource_record_to_string(a))); |
2b442ac8 LP |
330 | |
331 | rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "NaSa.GOV."); | |
332 | assert_se(rrsig); | |
333 | ||
334 | rrsig->rrsig.type_covered = DNS_TYPE_A; | |
335 | rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
336 | rrsig->rrsig.labels = 2; | |
337 | rrsig->rrsig.original_ttl = 600; | |
338 | rrsig->rrsig.expiration = 0x5683135c; | |
339 | rrsig->rrsig.inception = 0x565b7da8; | |
340 | rrsig->rrsig.key_tag = 63876; | |
341 | rrsig->rrsig.signer = strdup("Nasa.Gov."); | |
342 | assert_se(rrsig->rrsig.signer); | |
343 | rrsig->rrsig.signature_size = sizeof(signature_blob); | |
344 | rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); | |
345 | assert_se(rrsig->rrsig.signature); | |
346 | ||
7b50eb2e | 347 | log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); |
2b442ac8 LP |
348 | |
349 | dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "nASA.gOV"); | |
350 | assert_se(dnskey); | |
351 | ||
352 | dnskey->dnskey.flags = 256; | |
353 | dnskey->dnskey.protocol = 3; | |
354 | dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
355 | dnskey->dnskey.key_size = sizeof(dnskey_blob); | |
356 | dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); | |
357 | assert_se(dnskey->dnskey.key); | |
358 | ||
7b50eb2e | 359 | log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); |
0c857028 | 360 | log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey, false)); |
2b442ac8 LP |
361 | |
362 | assert_se(dnssec_key_match_rrsig(a->key, rrsig) > 0); | |
0c857028 | 363 | assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); |
2b442ac8 LP |
364 | |
365 | answer = dns_answer_new(1); | |
366 | assert_se(answer); | |
105e1512 | 367 | assert_se(dns_answer_add(answer, a, 0, DNS_ANSWER_AUTHENTICATED) >= 0); |
2b442ac8 | 368 | |
2a326321 | 369 | /* Validate the RR as it if was 2015-12-2 today */ |
547973de LP |
370 | assert_se(dnssec_verify_rrset(answer, a->key, rrsig, dnskey, 1449092754*USEC_PER_SEC, &result) >= 0); |
371 | assert_se(result == DNSSEC_VALIDATED); | |
2b442ac8 LP |
372 | } |
373 | ||
1691cfd8 | 374 | static void test_dnssec_verify_rrset2(void) { |
2b442ac8 | 375 | |
1691cfd8 ZJS |
376 | static const uint8_t signature_blob[] = { |
377 | 0x48, 0x45, 0xc8, 0x8b, 0xc0, 0x14, 0x92, 0xf5, 0x15, 0xc6, 0x84, 0x9d, 0x2f, 0xe3, 0x32, 0x11, | |
378 | 0x7d, 0xf1, 0xe6, 0x87, 0xb9, 0x42, 0xd3, 0x8b, 0x9e, 0xaf, 0x92, 0x31, 0x0a, 0x53, 0xad, 0x8b, | |
379 | 0xa7, 0x5c, 0x83, 0x39, 0x8c, 0x28, 0xac, 0xce, 0x6e, 0x9c, 0x18, 0xe3, 0x31, 0x16, 0x6e, 0xca, | |
380 | 0x38, 0x31, 0xaf, 0xd9, 0x94, 0xf1, 0x84, 0xb1, 0xdf, 0x5a, 0xc2, 0x73, 0x22, 0xf6, 0xcb, 0xa2, | |
381 | 0xe7, 0x8c, 0x77, 0x0c, 0x74, 0x2f, 0xc2, 0x13, 0xb0, 0x93, 0x51, 0xa9, 0x4f, 0xae, 0x0a, 0xda, | |
382 | 0x45, 0xcc, 0xfd, 0x43, 0x99, 0x36, 0x9a, 0x0d, 0x21, 0xe0, 0xeb, 0x30, 0x65, 0xd4, 0xa0, 0x27, | |
383 | 0x37, 0x3b, 0xe4, 0xc1, 0xc5, 0xa1, 0x2a, 0xd1, 0x76, 0xc4, 0x7e, 0x64, 0x0e, 0x5a, 0xa6, 0x50, | |
384 | 0x24, 0xd5, 0x2c, 0xcc, 0x6d, 0xe5, 0x37, 0xea, 0xbd, 0x09, 0x34, 0xed, 0x24, 0x06, 0xa1, 0x22, | |
2b442ac8 | 385 | }; |
1691cfd8 | 386 | |
2b442ac8 | 387 | static const uint8_t dnskey_blob[] = { |
1691cfd8 ZJS |
388 | 0x03, 0x01, 0x00, 0x01, 0xc3, 0x7f, 0x1d, 0xd1, 0x1c, 0x97, 0xb1, 0x13, 0x34, 0x3a, 0x9a, 0xea, |
389 | 0xee, 0xd9, 0x5a, 0x11, 0x1b, 0x17, 0xc7, 0xe3, 0xd4, 0xda, 0x20, 0xbc, 0x5d, 0xba, 0x74, 0xe3, | |
390 | 0x37, 0x99, 0xec, 0x25, 0xce, 0x93, 0x7f, 0xbd, 0x22, 0x73, 0x7e, 0x14, 0x71, 0xe0, 0x60, 0x07, | |
391 | 0xd4, 0x39, 0x8b, 0x5e, 0xe9, 0xba, 0x25, 0xe8, 0x49, 0xe9, 0x34, 0xef, 0xfe, 0x04, 0x5c, 0xa5, | |
392 | 0x27, 0xcd, 0xa9, 0xda, 0x70, 0x05, 0x21, 0xab, 0x15, 0x82, 0x24, 0xc3, 0x94, 0xf5, 0xd7, 0xb7, | |
393 | 0xc4, 0x66, 0xcb, 0x32, 0x6e, 0x60, 0x2b, 0x55, 0x59, 0x28, 0x89, 0x8a, 0x72, 0xde, 0x88, 0x56, | |
394 | 0x27, 0x95, 0xd9, 0xac, 0x88, 0x4f, 0x65, 0x2b, 0x68, 0xfc, 0xe6, 0x41, 0xc1, 0x1b, 0xef, 0x4e, | |
395 | 0xd6, 0xc2, 0x0f, 0x64, 0x88, 0x95, 0x5e, 0xdd, 0x3a, 0x02, 0x07, 0x50, 0xa9, 0xda, 0xa4, 0x49, | |
396 | 0x74, 0x62, 0xfe, 0xd7, | |
2b442ac8 LP |
397 | }; |
398 | ||
1691cfd8 ZJS |
399 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *nsec = NULL, *rrsig = NULL, *dnskey = NULL; |
400 | _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; | |
401 | DnssecResult result; | |
2b442ac8 | 402 | |
1691cfd8 ZJS |
403 | nsec = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_NSEC, "nasa.gov"); |
404 | assert_se(nsec); | |
2b442ac8 | 405 | |
1691cfd8 ZJS |
406 | nsec->nsec.next_domain_name = strdup("3D-Printing.nasa.gov"); |
407 | assert_se(nsec->nsec.next_domain_name); | |
2b442ac8 | 408 | |
1691cfd8 ZJS |
409 | nsec->nsec.types = bitmap_new(); |
410 | assert_se(nsec->nsec.types); | |
411 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_A) >= 0); | |
412 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_NS) >= 0); | |
413 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_SOA) >= 0); | |
414 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_MX) >= 0); | |
415 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_TXT) >= 0); | |
416 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_RRSIG) >= 0); | |
417 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_NSEC) >= 0); | |
418 | assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_DNSKEY) >= 0); | |
419 | assert_se(bitmap_set(nsec->nsec.types, 65534) >= 0); | |
2b442ac8 | 420 | |
1691cfd8 | 421 | log_info("NSEC: %s", strna(dns_resource_record_to_string(nsec))); |
2b442ac8 | 422 | |
1691cfd8 ZJS |
423 | rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "NaSa.GOV."); |
424 | assert_se(rrsig); | |
2b442ac8 | 425 | |
1691cfd8 ZJS |
426 | rrsig->rrsig.type_covered = DNS_TYPE_NSEC; |
427 | rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
428 | rrsig->rrsig.labels = 2; | |
429 | rrsig->rrsig.original_ttl = 300; | |
430 | rrsig->rrsig.expiration = 0x5689002f; | |
431 | rrsig->rrsig.inception = 0x56617230; | |
432 | rrsig->rrsig.key_tag = 30390; | |
433 | rrsig->rrsig.signer = strdup("Nasa.Gov."); | |
434 | assert_se(rrsig->rrsig.signer); | |
435 | rrsig->rrsig.signature_size = sizeof(signature_blob); | |
436 | rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); | |
437 | assert_se(rrsig->rrsig.signature); | |
2b442ac8 | 438 | |
1691cfd8 ZJS |
439 | log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); |
440 | ||
441 | dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "nASA.gOV"); | |
2b442ac8 LP |
442 | assert_se(dnskey); |
443 | ||
1691cfd8 | 444 | dnskey->dnskey.flags = 256; |
2b442ac8 LP |
445 | dnskey->dnskey.protocol = 3; |
446 | dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_RSASHA256; | |
447 | dnskey->dnskey.key_size = sizeof(dnskey_blob); | |
448 | dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); | |
449 | assert_se(dnskey->dnskey.key); | |
450 | ||
7b50eb2e | 451 | log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); |
0c857028 | 452 | log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey, false)); |
2b442ac8 | 453 | |
1691cfd8 ZJS |
454 | assert_se(dnssec_key_match_rrsig(nsec->key, rrsig) > 0); |
455 | assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); | |
2b442ac8 | 456 | |
1691cfd8 ZJS |
457 | answer = dns_answer_new(1); |
458 | assert_se(answer); | |
459 | assert_se(dns_answer_add(answer, nsec, 0, DNS_ANSWER_AUTHENTICATED) >= 0); | |
2b442ac8 | 460 | |
1691cfd8 ZJS |
461 | /* Validate the RR as it if was 2015-12-11 today */ |
462 | assert_se(dnssec_verify_rrset(answer, nsec->key, rrsig, dnskey, 1449849318*USEC_PER_SEC, &result) >= 0); | |
463 | assert_se(result == DNSSEC_VALIDATED); | |
2b442ac8 LP |
464 | } |
465 | ||
72667f08 LP |
466 | static void test_dnssec_nsec3_hash(void) { |
467 | static const uint8_t salt[] = { 0xB0, 0x1D, 0xFA, 0xCE }; | |
468 | 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 }; | |
469 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL; | |
72667f08 | 470 | uint8_t h[DNSSEC_HASH_SIZE_MAX]; |
7b50eb2e | 471 | _cleanup_free_ char *b = NULL; |
72667f08 LP |
472 | int k; |
473 | ||
474 | /* The NSEC3 RR for eurid.eu on 2015-12-14. */ | |
475 | rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_NSEC3, "PJ8S08RR45VIQDAQGE7EN3VHKNROTBMM.eurid.eu."); | |
476 | assert_se(rr); | |
477 | ||
478 | rr->nsec3.algorithm = DNSSEC_DIGEST_SHA1; | |
479 | rr->nsec3.flags = 1; | |
480 | rr->nsec3.iterations = 1; | |
481 | rr->nsec3.salt = memdup(salt, sizeof(salt)); | |
482 | assert_se(rr->nsec3.salt); | |
483 | rr->nsec3.salt_size = sizeof(salt); | |
484 | rr->nsec3.next_hashed_name = memdup(next_hashed_name, sizeof(next_hashed_name)); | |
485 | assert_se(rr->nsec3.next_hashed_name); | |
486 | rr->nsec3.next_hashed_name_size = sizeof(next_hashed_name); | |
487 | ||
7b50eb2e | 488 | log_info("NSEC3: %s", strna(dns_resource_record_to_string(rr))); |
72667f08 LP |
489 | |
490 | k = dnssec_nsec3_hash(rr, "eurid.eu", &h); | |
491 | assert_se(k >= 0); | |
492 | ||
493 | b = base32hexmem(h, k, false); | |
494 | assert_se(b); | |
495 | assert_se(strcasecmp(b, "PJ8S08RR45VIQDAQGE7EN3VHKNROTBMM") == 0); | |
496 | } | |
497 | ||
1691cfd8 ZJS |
498 | #endif |
499 | ||
f2a3de01 | 500 | int main(int argc, char *argv[]) { |
2b442ac8 LP |
501 | |
502 | test_dnssec_canonicalize(); | |
1691cfd8 | 503 | |
349cc4a5 | 504 | #if HAVE_GCRYPT |
2b442ac8 | 505 | test_dnssec_verify_dns_key(); |
cb9eeb06 MCO |
506 | test_dnssec_verify_rfc8080_ed25519_example1(); |
507 | test_dnssec_verify_rfc8080_ed25519_example2(); | |
2b442ac8 | 508 | test_dnssec_verify_rrset(); |
a3db237b | 509 | test_dnssec_verify_rrset2(); |
72667f08 | 510 | test_dnssec_nsec3_hash(); |
a915abf3 | 511 | #endif |
2b442ac8 LP |
512 | |
513 | return 0; | |
514 | } |