Adding upstream version 3.2.6.upstream/3.2.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 215 insertions, 0 deletions

diff --git a/tests/libdnssec/test_key.c b/tests/libdnssec/test_key.c
new file mode 100644
index 0000000..cd0aaee
--- /dev/null
+++ b/tests/libdnssec/test_key.c
@@ -0,0 +1,215 @@
+/*  Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <tap/basic.h>
+#include <string.h>
+
+#include "binary.h"
+#include "crypto.h"
+#include "error.h"
+#include "key.h"
+
+#include "sample_keys.h"
+
+#define check_attr_scalar(key, type, name, def_val, set_val) { \
+	type value = dnssec_key_get_##name(key); \
+	ok(value == def_val, #name " default"); \
+	r = dnssec_key_set_##name(key, set_val); \
+	ok(r == DNSSEC_EOK, #name " set"); \
+	value = dnssec_key_get_##name(key); \
+	ok(value == set_val, #name " get"); \
+}
+
+static void check_key_tag(dnssec_key_t *key, const key_parameters_t *params)
+{
+	uint16_t keytag = dnssec_key_get_keytag(key);
+	ok(keytag == params->keytag, "get keytag");
+}
+
+static void check_key_size(dnssec_key_t *key, const key_parameters_t *params)
+{
+	ok(dnssec_key_get_size(key) == params->bit_size,
+	   "key size %u bits", params->bit_size);
+}
+
+static void check_usage(dnssec_key_t *key, bool ok_verify, bool ok_sign)
+{
+	ok(dnssec_key_can_verify(key) == ok_verify,
+	  "%s verify", ok_verify ? "can" : "cannot");
+	ok(dnssec_key_can_sign(key) == ok_sign,
+	  "%s sign", ok_sign ? "can" : "cannot");
+}
+
+static void test_public_key(const key_parameters_t *params)
+{
+	dnssec_key_t *key = NULL;
+	int r = dnssec_key_new(&key);
+	ok(r == DNSSEC_EOK && key != NULL, "create key");
+
+	// create from parameters
+
+	r = dnssec_key_set_pubkey(key, &params->public_key);
+	ok(r == DNSSEC_INVALID_KEY_ALGORITHM,
+	   "set public key (fails, no algorithm set)");
+
+	check_attr_scalar(key, uint16_t, flags,     256, params->flags);
+	check_attr_scalar(key, uint8_t,  protocol,  3,   params->protocol);
+	check_attr_scalar(key, uint8_t,  algorithm, 0,   params->algorithm);
+
+	r = dnssec_key_set_pubkey(key, &params->public_key);
+	ok(r == DNSSEC_EOK, "set public key (succeeds)");
+
+	r = dnssec_key_set_pubkey(key, &params->public_key);
+	ok(r == DNSSEC_KEY_ALREADY_PRESENT,
+	   "set public key (fails, already present)");
+
+	dnssec_binary_t rdata = { 0 };
+	r = dnssec_key_get_rdata(key, &rdata);
+	ok(r == DNSSEC_EOK && dnssec_binary_cmp(&rdata, &params->rdata) == 0,
+	   "get RDATA");
+
+	check_key_tag(key, params);
+
+	// create from RDATA
+
+	dnssec_key_clear(key);
+	r = dnssec_key_set_rdata(key, &params->rdata);
+	ok(r == DNSSEC_EOK, "set RDATA");
+
+	check_key_tag(key, params);
+	check_key_size(key, params);
+	check_usage(key, true, false);
+
+	// create copy
+
+	dnssec_key_t *copy = dnssec_key_dup(key);
+	ok(copy != NULL, "duplicate key");
+
+	check_key_tag(copy, params);
+	check_key_size(copy, params);
+	check_usage(copy, true, false);
+
+	dnssec_key_free(copy);
+	dnssec_key_free(key);
+}
+
+static void test_private_key(const key_parameters_t *params)
+{
+	dnssec_key_t *key = NULL;
+	int r = dnssec_key_new(&key);
+	ok(r == DNSSEC_EOK && key != NULL, "create key");
+
+	// import to public
+
+	r = dnssec_key_set_rdata(key, &params->rdata);
+	ok(r == DNSSEC_EOK, "set RDATA");
+
+	r = dnssec_key_load_pkcs8(key, &params->pem);
+	ok(r == DNSSEC_EOK, "load private key (1)");
+
+	ok(dnssec_key_can_verify(key), "can verify");
+	ok(dnssec_key_can_sign(key), "can sign");
+
+	// purely from parameters
+
+	dnssec_key_clear(key);
+
+	dnssec_key_set_algorithm(key, params->algorithm);
+	dnssec_key_set_flags(key, params->flags);
+	r = dnssec_key_load_pkcs8(key, &params->pem);
+	ok(r == DNSSEC_EOK, "load private key (2)");
+
+	dnssec_binary_t rdata = { 0 };
+	r = dnssec_key_get_rdata(key, &rdata);
+	ok(r == DNSSEC_EOK && dnssec_binary_cmp(&rdata, &params->rdata) == 0,
+	   "get RDATA");
+
+	check_key_tag(key, params);
+	check_key_size(key, params);
+	check_usage(key, true, true);
+
+	// create copy
+
+	dnssec_key_t *copy = dnssec_key_dup(key);
+	ok(copy != NULL, "duplicate key");
+
+	check_key_tag(copy, params);
+	check_key_size(copy, params);
+	check_usage(copy, true, false);
+
+	dnssec_key_free(copy);
+	dnssec_key_free(key);
+}
+
+static void test_naming(void)
+{
+	dnssec_key_t *key = NULL;
+	dnssec_key_new(&key);
+
+	const uint8_t *input = (uint8_t *)"\x07""eXample""\x03""COM";
+	const uint8_t *expected = (uint8_t *)"\x07""example""\x03""com";
+	size_t expected_size = 13;
+
+	ok(dnssec_key_get_dname(key) == NULL, "implicit key name");
+
+	dnssec_key_set_dname(key, input);
+	const uint8_t *output = dnssec_key_get_dname(key);
+
+	ok(strlen((char *)output) + 1 == 13 &&
+	   memcmp(output, expected, expected_size) == 0,
+	   "set key name");
+
+	dnssec_key_set_dname(key, NULL);
+	ok(dnssec_key_get_dname(key) == NULL, "clear key name");
+
+	dnssec_key_free(key);
+}
+
+typedef struct keyinfo {
+	const char *name;
+	const key_parameters_t *parameters;
+} keyinfo_t;
+
+int main(void)
+{
+	plan_lazy();
+
+	dnssec_crypto_init();
+
+	static const keyinfo_t keys[] = {
+		{ "RSA",     &SAMPLE_RSA_KEY },
+		{ "ECDSA",   &SAMPLE_ECDSA_KEY },
+#ifdef HAVE_ED25519
+		{ "ED25519", &SAMPLE_ED25519_KEY },
+#endif
+#ifdef HAVE_ED448
+		{ "ED448",   &SAMPLE_ED448_KEY },
+#endif
+		{ NULL }
+	};
+
+	for (const keyinfo_t *k = keys; k->name != NULL; k += 1) {
+		diag("%s key", k->name);
+		test_public_key(k->parameters);
+		test_private_key(k->parameters);
+	}
+
+	test_naming();
+
+	dnssec_crypto_cleanup();
+
+	return 0;
+}