summaryrefslogtreecommitdiffstats
path: root/src/resolve/test-dnssec.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/resolve/test-dnssec.c')
-rw-r--r--src/resolve/test-dnssec.c514
1 files changed, 514 insertions, 0 deletions
diff --git a/src/resolve/test-dnssec.c b/src/resolve/test-dnssec.c
new file mode 100644
index 0000000..840c4fa
--- /dev/null
+++ b/src/resolve/test-dnssec.c
@@ -0,0 +1,514 @@
+/* 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 12:36:41 +0000