/* SPDX-License-Identifier: LGPL-2.1+ */
-/***
- This file is part of systemd.
-
- Copyright 2015 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
#include <arpa/inet.h>
+#if HAVE_GCRYPT
+#include <gcrypt.h>
+#endif
#include <netinet/in.h>
#include <sys/socket.h>
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[] = {
#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();
projects / thirdparty / systemd.git / blobdiff