| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| |
| #include <arpa/inet.h> |
| #if HAVE_GCRYPT |
| #include <gcrypt.h> |
| #endif |
| #include <netinet/in.h> |
| #include <sys/socket.h> |
| |
| #include "alloc-util.h" |
| #include "resolved-dns-dnssec.h" |
| #include "resolved-dns-rr.h" |
| #include "string-util.h" |
| #include "hexdecoct.h" |
| |
| static void test_dnssec_canonicalize_one(const char *original, const char *canonical, int r) { |
| char canonicalized[DNSSEC_CANONICAL_HOSTNAME_MAX]; |
| |
| assert_se(dnssec_canonicalize(original, canonicalized, sizeof(canonicalized)) == r); |
| if (r < 0) |
| return; |
| |
| assert_se(streq(canonicalized, canonical)); |
| } |
| |
| static void test_dnssec_canonicalize(void) { |
| test_dnssec_canonicalize_one("", ".", 1); |
| test_dnssec_canonicalize_one(".", ".", 1); |
| test_dnssec_canonicalize_one("foo", "foo.", 4); |
| test_dnssec_canonicalize_one("foo.", "foo.", 4); |
| test_dnssec_canonicalize_one("FOO.", "foo.", 4); |
| test_dnssec_canonicalize_one("FOO.bar.", "foo.bar.", 8); |
| test_dnssec_canonicalize_one("FOO..bar.", NULL, -EINVAL); |
| } |
| |
| #if HAVE_GCRYPT |
| |
| static void test_dnssec_verify_dns_key(void) { |
| |
| static const uint8_t ds1_fprint[] = { |
| 0x46, 0x8B, 0xC8, 0xDD, 0xC7, 0xE8, 0x27, 0x03, 0x40, 0xBB, 0x8A, 0x1F, 0x3B, 0x2E, 0x45, 0x9D, |
| 0x80, 0x67, 0x14, 0x01, |
| }; |
| static const uint8_t ds2_fprint[] = { |
| 0x8A, 0xEE, 0x80, 0x47, 0x05, 0x5F, 0x83, 0xD1, 0x48, 0xBA, 0x8F, 0xF6, 0xDD, 0xA7, 0x60, 0xCE, |
| 0x94, 0xF7, 0xC7, 0x5E, 0x52, 0x4C, 0xF2, 0xE9, 0x50, 0xB9, 0x2E, 0xCB, 0xEF, 0x96, 0xB9, 0x98, |
| }; |
| static const uint8_t dnskey_blob[] = { |
| 0x03, 0x01, 0x00, 0x01, 0xa8, 0x12, 0xda, 0x4f, 0xd2, 0x7d, 0x54, 0x14, 0x0e, 0xcc, 0x5b, 0x5e, |
| 0x45, 0x9c, 0x96, 0x98, 0xc0, 0xc0, 0x85, 0x81, 0xb1, 0x47, 0x8c, 0x7d, 0xe8, 0x39, 0x50, 0xcc, |
| 0xc5, 0xd0, 0xf2, 0x00, 0x81, 0x67, 0x79, 0xf6, 0xcc, 0x9d, 0xad, 0x6c, 0xbb, 0x7b, 0x6f, 0x48, |
| 0x97, 0x15, 0x1c, 0xfd, 0x0b, 0xfe, 0xd3, 0xd7, 0x7d, 0x9f, 0x81, 0x26, 0xd3, 0xc5, 0x65, 0x49, |
| 0xcf, 0x46, 0x62, 0xb0, 0x55, 0x6e, 0x47, 0xc7, 0x30, 0xef, 0x51, 0xfb, 0x3e, 0xc6, 0xef, 0xde, |
| 0x27, 0x3f, 0xfa, 0x57, 0x2d, 0xa7, 0x1d, 0x80, 0x46, 0x9a, 0x5f, 0x14, 0xb3, 0xb0, 0x2c, 0xbe, |
| 0x72, 0xca, 0xdf, 0xb2, 0xff, 0x36, 0x5b, 0x4f, 0xec, 0x58, 0x8e, 0x8d, 0x01, 0xe9, 0xa9, 0xdf, |
| 0xb5, 0x60, 0xad, 0x52, 0x4d, 0xfc, 0xa9, 0x3e, 0x8d, 0x35, 0x95, 0xb3, 0x4e, 0x0f, 0xca, 0x45, |
| 0x1b, 0xf7, 0xef, 0x3a, 0x88, 0x25, 0x08, 0xc7, 0x4e, 0x06, 0xc1, 0x62, 0x1a, 0xce, 0xd8, 0x77, |
| 0xbd, 0x02, 0x65, 0xf8, 0x49, 0xfb, 0xce, 0xf6, 0xa8, 0x09, 0xfc, 0xde, 0xb2, 0x09, 0x9d, 0x39, |
| 0xf8, 0x63, 0x9c, 0x32, 0x42, 0x7c, 0xa0, 0x30, 0x86, 0x72, 0x7a, 0x4a, 0xc6, 0xd4, 0xb3, 0x2d, |
| 0x24, 0xef, 0x96, 0x3f, 0xc2, 0xda, 0xd3, 0xf2, 0x15, 0x6f, 0xda, 0x65, 0x4b, 0x81, 0x28, 0x68, |
| 0xf4, 0xfe, 0x3e, 0x71, 0x4f, 0x50, 0x96, 0x72, 0x58, 0xa1, 0x89, 0xdd, 0x01, 0x61, 0x39, 0x39, |
| 0xc6, 0x76, 0xa4, 0xda, 0x02, 0x70, 0x3d, 0xc0, 0xdc, 0x8d, 0x70, 0x72, 0x04, 0x90, 0x79, 0xd4, |
| 0xec, 0x65, 0xcf, 0x49, 0x35, 0x25, 0x3a, 0x14, 0x1a, 0x45, 0x20, 0xeb, 0x31, 0xaf, 0x92, 0xba, |
| 0x20, 0xd3, 0xcd, 0xa7, 0x13, 0x44, 0xdc, 0xcf, 0xf0, 0x27, 0x34, 0xb9, 0xe7, 0x24, 0x6f, 0x73, |
| 0xe7, 0xea, 0x77, 0x03, |
| }; |
| |
| _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *dnskey = NULL, *ds1 = NULL, *ds2 = NULL; |
| |
| /* The two DS RRs in effect for nasa.gov on 2015-12-01. */ |
| ds1 = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "nasa.gov"); |
| assert_se(ds1); |
| |
| ds1->ds.key_tag = 47857; |
| ds1->ds.algorithm = DNSSEC_ALGORITHM_RSASHA256; |
| ds1->ds.digest_type = DNSSEC_DIGEST_SHA1; |
| ds1->ds.digest_size = sizeof(ds1_fprint); |
| ds1->ds.digest = memdup(ds1_fprint, ds1->ds.digest_size); |
| assert_se(ds1->ds.digest); |
| |
| log_info("DS1: %s", strna(dns_resource_record_to_string(ds1))); |
| |
| ds2 = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "NASA.GOV"); |
| assert_se(ds2); |
| |
| ds2->ds.key_tag = 47857; |
| ds2->ds.algorithm = DNSSEC_ALGORITHM_RSASHA256; |
| ds2->ds.digest_type = DNSSEC_DIGEST_SHA256; |
| ds2->ds.digest_size = sizeof(ds2_fprint); |
| ds2->ds.digest = memdup(ds2_fprint, ds2->ds.digest_size); |
| assert_se(ds2->ds.digest); |
| |
| log_info("DS2: %s", strna(dns_resource_record_to_string(ds2))); |
| |
| dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "nasa.GOV"); |
| assert_se(dnskey); |
| |
| dnskey->dnskey.flags = 257; |
| dnskey->dnskey.protocol = 3; |
| dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_RSASHA256; |
| dnskey->dnskey.key_size = sizeof(dnskey_blob); |
| dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); |
| assert_se(dnskey->dnskey.key); |
| |
| log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); |
| log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey, false)); |
| |
| assert_se(dnssec_verify_dnskey_by_ds(dnskey, ds1, false) > 0); |
| assert_se(dnssec_verify_dnskey_by_ds(dnskey, ds2, false) > 0); |
| } |
| |
| static void test_dnssec_verify_rfc8080_ed25519_example1(void) { |
| static const uint8_t dnskey_blob[] = { |
| 0x97, 0x4d, 0x96, 0xa2, 0x2d, 0x22, 0x4b, 0xc0, 0x1a, 0xdb, 0x91, 0x50, 0x91, 0x47, 0x7d, |
| 0x44, 0xcc, 0xd9, 0x1c, 0x9a, 0x41, 0xa1, 0x14, 0x30, 0x01, 0x01, 0x17, 0xd5, 0x2c, 0x59, |
| 0x24, 0xe |
| }; |
| static const uint8_t ds_fprint[] = { |
| 0xdd, 0xa6, 0xb9, 0x69, 0xbd, 0xfb, 0x79, 0xf7, 0x1e, 0xe7, 0xb7, 0xfb, 0xdf, 0xb7, 0xdc, |
| 0xd7, 0xad, 0xbb, 0xd3, 0x5d, 0xdf, 0x79, 0xed, 0x3b, 0x6d, 0xd7, 0xf6, 0xe3, 0x56, 0xdd, |
| 0xd7, 0x47, 0xf7, 0x6f, 0x5f, 0x7a, 0xe1, 0xa6, 0xf9, 0xe5, 0xce, 0xfc, 0x7b, 0xbf, 0x5a, |
| 0xdf, 0x4e, 0x1b |
| }; |
| static const uint8_t signature_blob[] = { |
| 0xa0, 0xbf, 0x64, 0xac, 0x9b, 0xa7, 0xef, 0x17, 0xc1, 0x38, 0x85, 0x9c, 0x18, 0x78, 0xbb, |
| 0x99, 0xa8, 0x39, 0xfe, 0x17, 0x59, 0xac, 0xa5, 0xb0, 0xd7, 0x98, 0xcf, 0x1a, 0xb1, 0xe9, |
| 0x8d, 0x07, 0x91, 0x02, 0xf4, 0xdd, 0xb3, 0x36, 0x8f, 0x0f, 0xe4, 0x0b, 0xb3, 0x77, 0xf1, |
| 0xf0, 0x0e, 0x0c, 0xdd, 0xed, 0xb7, 0x99, 0x16, 0x7d, 0x56, 0xb6, 0xe9, 0x32, 0x78, 0x30, |
| 0x72, 0xba, 0x8d, 0x02 |
| }; |
| |
| _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *dnskey = NULL, *ds = NULL, *mx = NULL, |
| *rrsig = NULL; |
| _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; |
| DnssecResult result; |
| |
| dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "example.com."); |
| assert_se(dnskey); |
| |
| dnskey->dnskey.flags = 257; |
| dnskey->dnskey.protocol = 3; |
| dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_ED25519; |
| dnskey->dnskey.key_size = sizeof(dnskey_blob); |
| dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); |
| assert_se(dnskey->dnskey.key); |
| |
| log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); |
| |
| ds = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "example.com."); |
| assert_se(ds); |
| |
| ds->ds.key_tag = 3613; |
| ds->ds.algorithm = DNSSEC_ALGORITHM_ED25519; |
| ds->ds.digest_type = DNSSEC_DIGEST_SHA256; |
| ds->ds.digest_size = sizeof(ds_fprint); |
| ds->ds.digest = memdup(ds_fprint, ds->ds.digest_size); |
| assert_se(ds->ds.digest); |
| |
| log_info("DS: %s", strna(dns_resource_record_to_string(ds))); |
| |
| mx = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_MX, "example.com."); |
| assert_se(mx); |
| |
| mx->mx.priority = 10; |
| mx->mx.exchange = strdup("mail.example.com."); |
| assert_se(mx->mx.exchange); |
| |
| log_info("MX: %s", strna(dns_resource_record_to_string(mx))); |
| |
| rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "example.com."); |
| assert_se(rrsig); |
| |
| rrsig->rrsig.type_covered = DNS_TYPE_MX; |
| rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_ED25519; |
| rrsig->rrsig.labels = 2; |
| rrsig->rrsig.original_ttl = 3600; |
| rrsig->rrsig.expiration = 1440021600; |
| rrsig->rrsig.inception = 1438207200; |
| rrsig->rrsig.key_tag = 3613; |
| rrsig->rrsig.signer = strdup("example.com."); |
| assert_se(rrsig->rrsig.signer); |
| rrsig->rrsig.signature_size = sizeof(signature_blob); |
| rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); |
| assert_se(rrsig->rrsig.signature); |
| |
| log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); |
| |
| assert_se(dnssec_key_match_rrsig(mx->key, rrsig) > 0); |
| assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); |
| |
| answer = dns_answer_new(1); |
| assert_se(answer); |
| assert_se(dns_answer_add(answer, mx, 0, DNS_ANSWER_AUTHENTICATED) >= 0); |
| |
| assert_se(dnssec_verify_rrset(answer, mx->key, rrsig, dnskey, |
| rrsig->rrsig.inception * USEC_PER_SEC, &result) >= 0); |
| #if GCRYPT_VERSION_NUMBER >= 0x010600 |
| assert_se(result == DNSSEC_VALIDATED); |
| #else |
| assert_se(result == DNSSEC_UNSUPPORTED_ALGORITHM); |
| #endif |
| } |
| |
| static void test_dnssec_verify_rfc8080_ed25519_example2(void) { |
| static const uint8_t dnskey_blob[] = { |
| 0xcc, 0xf9, 0xd9, 0xfd, 0x0c, 0x04, 0x7b, 0xb4, 0xbc, 0x0b, 0x94, 0x8f, 0xcf, 0x63, 0x9f, |
| 0x4b, 0x94, 0x51, 0xe3, 0x40, 0x13, 0x93, 0x6f, 0xeb, 0x62, 0x71, 0x3d, 0xc4, 0x72, 0x4, |
| 0x8a, 0x3b |
| }; |
| static const uint8_t ds_fprint[] = { |
| 0xe3, 0x4d, 0x7b, 0xf3, 0x56, 0xfd, 0xdf, 0x87, 0xb7, 0xf7, 0x67, 0x5e, 0xe3, 0xdd, 0x9e, |
| 0x73, 0xbe, 0xda, 0x7b, 0x67, 0xb5, 0xe5, 0xde, 0xf4, 0x7f, 0xae, 0x7b, 0xe5, 0xad, 0x5c, |
| 0xd1, 0xb7, 0x39, 0xf5, 0xce, 0x76, 0xef, 0x97, 0x34, 0xe1, 0xe6, 0xde, 0xf3, 0x47, 0x3a, |
| 0xeb, 0x5e, 0x1c |
| }; |
| static const uint8_t signature_blob[] = { |
| 0xcd, 0x74, 0x34, 0x6e, 0x46, 0x20, 0x41, 0x31, 0x05, 0xc9, 0xf2, 0xf2, 0x8b, 0xd4, 0x28, |
| 0x89, 0x8e, 0x83, 0xf1, 0x97, 0x58, 0xa3, 0x8c, 0x32, 0x52, 0x15, 0x62, 0xa1, 0x86, 0x57, |
| 0x15, 0xd4, 0xf8, 0xd7, 0x44, 0x0f, 0x44, 0x84, 0xd0, 0x4a, 0xa2, 0x52, 0x9f, 0x34, 0x28, |
| 0x4a, 0x6e, 0x69, 0xa0, 0x9e, 0xe0, 0x0f, 0xb0, 0x10, 0x47, 0x43, 0xbb, 0x2a, 0xe2, 0x39, |
| 0x93, 0x6a, 0x5c, 0x06 |
| }; |
| |
| _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *dnskey = NULL, *ds = NULL, *mx = NULL, |
| *rrsig = NULL; |
| _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; |
| DnssecResult result; |
| |
| dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "example.com."); |
| assert_se(dnskey); |
| |
| dnskey->dnskey.flags = 257; |
| dnskey->dnskey.protocol = 3; |
| dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_ED25519; |
| dnskey->dnskey.key_size = sizeof(dnskey_blob); |
| dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); |
| assert_se(dnskey->dnskey.key); |
| |
| log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); |
| |
| ds = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DS, "example.com."); |
| assert_se(ds); |
| |
| ds->ds.key_tag = 35217; |
| ds->ds.algorithm = DNSSEC_ALGORITHM_ED25519; |
| ds->ds.digest_type = DNSSEC_DIGEST_SHA256; |
| ds->ds.digest_size = sizeof(ds_fprint); |
| ds->ds.digest = memdup(ds_fprint, ds->ds.digest_size); |
| assert_se(ds->ds.digest); |
| |
| log_info("DS: %s", strna(dns_resource_record_to_string(ds))); |
| |
| mx = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_MX, "example.com."); |
| assert_se(mx); |
| |
| mx->mx.priority = 10; |
| mx->mx.exchange = strdup("mail.example.com."); |
| assert_se(mx->mx.exchange); |
| |
| log_info("MX: %s", strna(dns_resource_record_to_string(mx))); |
| |
| rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "example.com."); |
| assert_se(rrsig); |
| |
| rrsig->rrsig.type_covered = DNS_TYPE_MX; |
| rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_ED25519; |
| rrsig->rrsig.labels = 2; |
| rrsig->rrsig.original_ttl = 3600; |
| rrsig->rrsig.expiration = 1440021600; |
| rrsig->rrsig.inception = 1438207200; |
| rrsig->rrsig.key_tag = 35217; |
| rrsig->rrsig.signer = strdup("example.com."); |
| assert_se(rrsig->rrsig.signer); |
| rrsig->rrsig.signature_size = sizeof(signature_blob); |
| rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); |
| assert_se(rrsig->rrsig.signature); |
| |
| log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); |
| |
| assert_se(dnssec_key_match_rrsig(mx->key, rrsig) > 0); |
| assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); |
| |
| answer = dns_answer_new(1); |
| assert_se(answer); |
| assert_se(dns_answer_add(answer, mx, 0, DNS_ANSWER_AUTHENTICATED) >= 0); |
| |
| assert_se(dnssec_verify_rrset(answer, mx->key, rrsig, dnskey, |
| rrsig->rrsig.inception * USEC_PER_SEC, &result) >= 0); |
| #if GCRYPT_VERSION_NUMBER >= 0x010600 |
| assert_se(result == DNSSEC_VALIDATED); |
| #else |
| assert_se(result == DNSSEC_UNSUPPORTED_ALGORITHM); |
| #endif |
| } |
| static void test_dnssec_verify_rrset(void) { |
| |
| static const uint8_t signature_blob[] = { |
| 0x7f, 0x79, 0xdd, 0x5e, 0x89, 0x79, 0x18, 0xd0, 0x34, 0x86, 0x8c, 0x72, 0x77, 0x75, 0x48, 0x4d, |
| 0xc3, 0x7d, 0x38, 0x04, 0xab, 0xcd, 0x9e, 0x4c, 0x82, 0xb0, 0x92, 0xca, 0xe9, 0x66, 0xe9, 0x6e, |
| 0x47, 0xc7, 0x68, 0x8c, 0x94, 0xf6, 0x69, 0xcb, 0x75, 0x94, 0xe6, 0x30, 0xa6, 0xfb, 0x68, 0x64, |
| 0x96, 0x1a, 0x84, 0xe1, 0xdc, 0x16, 0x4c, 0x83, 0x6c, 0x44, 0xf2, 0x74, 0x4d, 0x74, 0x79, 0x8f, |
| 0xf3, 0xf4, 0x63, 0x0d, 0xef, 0x5a, 0xe7, 0xe2, 0xfd, 0xf2, 0x2b, 0x38, 0x7c, 0x28, 0x96, 0x9d, |
| 0xb6, 0xcd, 0x5c, 0x3b, 0x57, 0xe2, 0x24, 0x78, 0x65, 0xd0, 0x9e, 0x77, 0x83, 0x09, 0x6c, 0xff, |
| 0x3d, 0x52, 0x3f, 0x6e, 0xd1, 0xed, 0x2e, 0xf9, 0xee, 0x8e, 0xa6, 0xbe, 0x9a, 0xa8, 0x87, 0x76, |
| 0xd8, 0x77, 0xcc, 0x96, 0xa0, 0x98, 0xa1, 0xd1, 0x68, 0x09, 0x43, 0xcf, 0x56, 0xd9, 0xd1, 0x66, |
| }; |
| |
| static const uint8_t dnskey_blob[] = { |
| 0x03, 0x01, 0x00, 0x01, 0x9b, 0x49, 0x9b, 0xc1, 0xf9, 0x9a, 0xe0, 0x4e, 0xcf, 0xcb, 0x14, 0x45, |
| 0x2e, 0xc9, 0xf9, 0x74, 0xa7, 0x18, 0xb5, 0xf3, 0xde, 0x39, 0x49, 0xdf, 0x63, 0x33, 0x97, 0x52, |
| 0xe0, 0x8e, 0xac, 0x50, 0x30, 0x8e, 0x09, 0xd5, 0x24, 0x3d, 0x26, 0xa4, 0x49, 0x37, 0x2b, 0xb0, |
| 0x6b, 0x1b, 0xdf, 0xde, 0x85, 0x83, 0xcb, 0x22, 0x4e, 0x60, 0x0a, 0x91, 0x1a, 0x1f, 0xc5, 0x40, |
| 0xb1, 0xc3, 0x15, 0xc1, 0x54, 0x77, 0x86, 0x65, 0x53, 0xec, 0x10, 0x90, 0x0c, 0x91, 0x00, 0x5e, |
| 0x15, 0xdc, 0x08, 0x02, 0x4c, 0x8c, 0x0d, 0xc0, 0xac, 0x6e, 0xc4, 0x3e, 0x1b, 0x80, 0x19, 0xe4, |
| 0xf7, 0x5f, 0x77, 0x51, 0x06, 0x87, 0x61, 0xde, 0xa2, 0x18, 0x0f, 0x40, 0x8b, 0x79, 0x72, 0xfa, |
| 0x8d, 0x1a, 0x44, 0x47, 0x0d, 0x8e, 0x3a, 0x2d, 0xc7, 0x39, 0xbf, 0x56, 0x28, 0x97, 0xd9, 0x20, |
| 0x4f, 0x00, 0x51, 0x3b, |
| }; |
| |
| _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *a = NULL, *rrsig = NULL, *dnskey = NULL; |
| _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; |
| DnssecResult result; |
| |
| a = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_A, "nAsA.gov"); |
| assert_se(a); |
| |
| a->a.in_addr.s_addr = inet_addr("52.0.14.116"); |
| |
| log_info("A: %s", strna(dns_resource_record_to_string(a))); |
| |
| rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "NaSa.GOV."); |
| assert_se(rrsig); |
| |
| rrsig->rrsig.type_covered = DNS_TYPE_A; |
| rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_RSASHA256; |
| rrsig->rrsig.labels = 2; |
| rrsig->rrsig.original_ttl = 600; |
| rrsig->rrsig.expiration = 0x5683135c; |
| rrsig->rrsig.inception = 0x565b7da8; |
| rrsig->rrsig.key_tag = 63876; |
| rrsig->rrsig.signer = strdup("Nasa.Gov."); |
| assert_se(rrsig->rrsig.signer); |
| rrsig->rrsig.signature_size = sizeof(signature_blob); |
| rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); |
| assert_se(rrsig->rrsig.signature); |
| |
| log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); |
| |
| dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "nASA.gOV"); |
| assert_se(dnskey); |
| |
| dnskey->dnskey.flags = 256; |
| dnskey->dnskey.protocol = 3; |
| dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_RSASHA256; |
| dnskey->dnskey.key_size = sizeof(dnskey_blob); |
| dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); |
| assert_se(dnskey->dnskey.key); |
| |
| log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); |
| log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey, false)); |
| |
| assert_se(dnssec_key_match_rrsig(a->key, rrsig) > 0); |
| assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); |
| |
| answer = dns_answer_new(1); |
| assert_se(answer); |
| assert_se(dns_answer_add(answer, a, 0, DNS_ANSWER_AUTHENTICATED) >= 0); |
| |
| /* Validate the RR as it if was 2015-12-2 today */ |
| assert_se(dnssec_verify_rrset(answer, a->key, rrsig, dnskey, 1449092754*USEC_PER_SEC, &result) >= 0); |
| assert_se(result == DNSSEC_VALIDATED); |
| } |
| |
| static void test_dnssec_verify_rrset2(void) { |
| |
| static const uint8_t signature_blob[] = { |
| 0x48, 0x45, 0xc8, 0x8b, 0xc0, 0x14, 0x92, 0xf5, 0x15, 0xc6, 0x84, 0x9d, 0x2f, 0xe3, 0x32, 0x11, |
| 0x7d, 0xf1, 0xe6, 0x87, 0xb9, 0x42, 0xd3, 0x8b, 0x9e, 0xaf, 0x92, 0x31, 0x0a, 0x53, 0xad, 0x8b, |
| 0xa7, 0x5c, 0x83, 0x39, 0x8c, 0x28, 0xac, 0xce, 0x6e, 0x9c, 0x18, 0xe3, 0x31, 0x16, 0x6e, 0xca, |
| 0x38, 0x31, 0xaf, 0xd9, 0x94, 0xf1, 0x84, 0xb1, 0xdf, 0x5a, 0xc2, 0x73, 0x22, 0xf6, 0xcb, 0xa2, |
| 0xe7, 0x8c, 0x77, 0x0c, 0x74, 0x2f, 0xc2, 0x13, 0xb0, 0x93, 0x51, 0xa9, 0x4f, 0xae, 0x0a, 0xda, |
| 0x45, 0xcc, 0xfd, 0x43, 0x99, 0x36, 0x9a, 0x0d, 0x21, 0xe0, 0xeb, 0x30, 0x65, 0xd4, 0xa0, 0x27, |
| 0x37, 0x3b, 0xe4, 0xc1, 0xc5, 0xa1, 0x2a, 0xd1, 0x76, 0xc4, 0x7e, 0x64, 0x0e, 0x5a, 0xa6, 0x50, |
| 0x24, 0xd5, 0x2c, 0xcc, 0x6d, 0xe5, 0x37, 0xea, 0xbd, 0x09, 0x34, 0xed, 0x24, 0x06, 0xa1, 0x22, |
| }; |
| |
| static const uint8_t dnskey_blob[] = { |
| 0x03, 0x01, 0x00, 0x01, 0xc3, 0x7f, 0x1d, 0xd1, 0x1c, 0x97, 0xb1, 0x13, 0x34, 0x3a, 0x9a, 0xea, |
| 0xee, 0xd9, 0x5a, 0x11, 0x1b, 0x17, 0xc7, 0xe3, 0xd4, 0xda, 0x20, 0xbc, 0x5d, 0xba, 0x74, 0xe3, |
| 0x37, 0x99, 0xec, 0x25, 0xce, 0x93, 0x7f, 0xbd, 0x22, 0x73, 0x7e, 0x14, 0x71, 0xe0, 0x60, 0x07, |
| 0xd4, 0x39, 0x8b, 0x5e, 0xe9, 0xba, 0x25, 0xe8, 0x49, 0xe9, 0x34, 0xef, 0xfe, 0x04, 0x5c, 0xa5, |
| 0x27, 0xcd, 0xa9, 0xda, 0x70, 0x05, 0x21, 0xab, 0x15, 0x82, 0x24, 0xc3, 0x94, 0xf5, 0xd7, 0xb7, |
| 0xc4, 0x66, 0xcb, 0x32, 0x6e, 0x60, 0x2b, 0x55, 0x59, 0x28, 0x89, 0x8a, 0x72, 0xde, 0x88, 0x56, |
| 0x27, 0x95, 0xd9, 0xac, 0x88, 0x4f, 0x65, 0x2b, 0x68, 0xfc, 0xe6, 0x41, 0xc1, 0x1b, 0xef, 0x4e, |
| 0xd6, 0xc2, 0x0f, 0x64, 0x88, 0x95, 0x5e, 0xdd, 0x3a, 0x02, 0x07, 0x50, 0xa9, 0xda, 0xa4, 0x49, |
| 0x74, 0x62, 0xfe, 0xd7, |
| }; |
| |
| _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *nsec = NULL, *rrsig = NULL, *dnskey = NULL; |
| _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; |
| DnssecResult result; |
| |
| nsec = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_NSEC, "nasa.gov"); |
| assert_se(nsec); |
| |
| nsec->nsec.next_domain_name = strdup("3D-Printing.nasa.gov"); |
| assert_se(nsec->nsec.next_domain_name); |
| |
| nsec->nsec.types = bitmap_new(); |
| assert_se(nsec->nsec.types); |
| assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_A) >= 0); |
| assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_NS) >= 0); |
| assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_SOA) >= 0); |
| assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_MX) >= 0); |
| assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_TXT) >= 0); |
| assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_RRSIG) >= 0); |
| assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_NSEC) >= 0); |
| assert_se(bitmap_set(nsec->nsec.types, DNS_TYPE_DNSKEY) >= 0); |
| assert_se(bitmap_set(nsec->nsec.types, 65534) >= 0); |
| |
| log_info("NSEC: %s", strna(dns_resource_record_to_string(nsec))); |
| |
| rrsig = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "NaSa.GOV."); |
| assert_se(rrsig); |
| |
| rrsig->rrsig.type_covered = DNS_TYPE_NSEC; |
| rrsig->rrsig.algorithm = DNSSEC_ALGORITHM_RSASHA256; |
| rrsig->rrsig.labels = 2; |
| rrsig->rrsig.original_ttl = 300; |
| rrsig->rrsig.expiration = 0x5689002f; |
| rrsig->rrsig.inception = 0x56617230; |
| rrsig->rrsig.key_tag = 30390; |
| rrsig->rrsig.signer = strdup("Nasa.Gov."); |
| assert_se(rrsig->rrsig.signer); |
| rrsig->rrsig.signature_size = sizeof(signature_blob); |
| rrsig->rrsig.signature = memdup(signature_blob, rrsig->rrsig.signature_size); |
| assert_se(rrsig->rrsig.signature); |
| |
| log_info("RRSIG: %s", strna(dns_resource_record_to_string(rrsig))); |
| |
| dnskey = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNSKEY, "nASA.gOV"); |
| assert_se(dnskey); |
| |
| dnskey->dnskey.flags = 256; |
| dnskey->dnskey.protocol = 3; |
| dnskey->dnskey.algorithm = DNSSEC_ALGORITHM_RSASHA256; |
| dnskey->dnskey.key_size = sizeof(dnskey_blob); |
| dnskey->dnskey.key = memdup(dnskey_blob, sizeof(dnskey_blob)); |
| assert_se(dnskey->dnskey.key); |
| |
| log_info("DNSKEY: %s", strna(dns_resource_record_to_string(dnskey))); |
| log_info("DNSKEY keytag: %u", dnssec_keytag(dnskey, false)); |
| |
| assert_se(dnssec_key_match_rrsig(nsec->key, rrsig) > 0); |
| assert_se(dnssec_rrsig_match_dnskey(rrsig, dnskey, false) > 0); |
| |
| answer = dns_answer_new(1); |
| assert_se(answer); |
| assert_se(dns_answer_add(answer, nsec, 0, DNS_ANSWER_AUTHENTICATED) >= 0); |
| |
| /* Validate the RR as it if was 2015-12-11 today */ |
| assert_se(dnssec_verify_rrset(answer, nsec->key, rrsig, dnskey, 1449849318*USEC_PER_SEC, &result) >= 0); |
| assert_se(result == DNSSEC_VALIDATED); |
| } |
| |
| static void test_dnssec_nsec3_hash(void) { |
| static const uint8_t salt[] = { 0xB0, 0x1D, 0xFA, 0xCE }; |
| 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 }; |
| _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL; |
| uint8_t h[DNSSEC_HASH_SIZE_MAX]; |
| _cleanup_free_ char *b = NULL; |
| int k; |
| |
| /* The NSEC3 RR for eurid.eu on 2015-12-14. */ |
| rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_NSEC3, "PJ8S08RR45VIQDAQGE7EN3VHKNROTBMM.eurid.eu."); |
| assert_se(rr); |
| |
| rr->nsec3.algorithm = DNSSEC_DIGEST_SHA1; |
| rr->nsec3.flags = 1; |
| rr->nsec3.iterations = 1; |
| rr->nsec3.salt = memdup(salt, sizeof(salt)); |
| assert_se(rr->nsec3.salt); |
| rr->nsec3.salt_size = sizeof(salt); |
| rr->nsec3.next_hashed_name = memdup(next_hashed_name, sizeof(next_hashed_name)); |
| assert_se(rr->nsec3.next_hashed_name); |
| rr->nsec3.next_hashed_name_size = sizeof(next_hashed_name); |
| |
| log_info("NSEC3: %s", strna(dns_resource_record_to_string(rr))); |
| |
| k = dnssec_nsec3_hash(rr, "eurid.eu", &h); |
| assert_se(k >= 0); |
| |
| b = base32hexmem(h, k, false); |
| assert_se(b); |
| assert_se(strcasecmp(b, "PJ8S08RR45VIQDAQGE7EN3VHKNROTBMM") == 0); |
| } |
| |
| #endif |
| |
| int main(int argc, char *argv[]) { |
| |
| test_dnssec_canonicalize(); |
| |
| #if HAVE_GCRYPT |
| test_dnssec_verify_dns_key(); |
| test_dnssec_verify_rfc8080_ed25519_example1(); |
| test_dnssec_verify_rfc8080_ed25519_example2(); |
| test_dnssec_verify_rrset(); |
| test_dnssec_verify_rrset2(); |
| test_dnssec_nsec3_hash(); |
| #endif |
| |
| return 0; |
| } |