1 files changed, 102 insertions, 0 deletions
diff --git a/tests/dns/dh_test.c b/tests/dns/dh_test.c
new file mode 100644
index 0000000..5f4edd9
--- /dev/null
+++ b/tests/dns/dh_test.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <inttypes.h>
+#include <sched.h> /* IWYU pragma: keep */
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/*
+ * As a workaround, include an OpenSSL header file before including cmocka.h,
+ * because OpenSSL 3.1.0 uses __attribute__(malloc), conflicting with a
+ * redefined malloc in cmocka.h.
+ */
+#include <openssl/err.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <isc/result.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <dns/name.h>
+
+#include "dst_internal.h"
+
+#include <tests/dns.h>
+
+static int
+setup_test(void **state) {
+	isc_result_t result;
+
+	UNUSED(state);
+
+	result = dst_lib_init(mctx, NULL);
+
+	if (result != ISC_R_SUCCESS) {
+		return (1);
+	}
+
+	return (0);
+}
+
+static int
+teardown_test(void **state) {
+	UNUSED(state);
+
+	dst_lib_destroy();
+
+	return (0);
+}
+
+/* OpenSSL DH_compute_key() failure */
+ISC_RUN_TEST_IMPL(dh_computesecret) {
+	dst_key_t *key = NULL;
+	isc_buffer_t buf;
+	unsigned char array[1024];
+	isc_result_t result;
+	dns_fixedname_t fname;
+	dns_name_t *name;
+
+	UNUSED(state);
+
+	name = dns_fixedname_initname(&fname);
+	isc_buffer_constinit(&buf, "dh.", 3);
+	isc_buffer_add(&buf, 3);
+	result = dns_name_fromtext(name, &buf, NULL, 0, NULL);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	result = dst_key_fromfile(name, 18602, DST_ALG_DH,
+				  DST_TYPE_PUBLIC | DST_TYPE_KEY, TESTS_DIR,
+				  mctx, &key);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	isc_buffer_init(&buf, array, sizeof(array));
+	result = dst_key_computesecret(key, key, &buf);
+	assert_int_equal(result, DST_R_NOTPRIVATEKEY);
+	result = key->func->computesecret(key, key, &buf);
+	assert_int_equal(result, DST_R_COMPUTESECRETFAILURE);
+
+	dst_key_free(&key);
+}
+
+ISC_TEST_LIST_START
+ISC_TEST_ENTRY_CUSTOM(dh_computesecret, setup_test, teardown_test)
+ISC_TEST_LIST_END
+
+ISC_TEST_MAIN