tests: added check for client-side DSA key

This checks whether a client can use and send a DSA key, even
if DSA is not enabled (which should prohibit the server from providing
a DSA certificate).

1 files changed, 109 insertions, 0 deletions

diff --git a/tests/client_dsa_key.c b/tests/client_dsa_key.c
new file mode 100644
index 0000000000..a1bfb85f3e
--- /dev/null
+++ b/tests/client_dsa_key.c
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2016 Red Hat, Inc.
+ *
+ * Author: Nikos Mavrogiannopoulos
+ *
+ * This file is part of GnuTLS.
+ *
+ * GnuTLS 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.
+ *
+ * GnuTLS 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 GnuTLS; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#if !defined(_WIN32)
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <arpa/inet.h>
+#endif
+#include <unistd.h>
+#include <assert.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/x509.h>
+
+#include "utils.h"
+#include "cert-common.h"
+
+/* Test for correct operation when a client uses a DSA key when the server
+ * has DSA signatures enabled but not the client.
+ *
+ */
+
+static void tls_log_func(int level, const char *str)
+{
+	fprintf(stderr, "<%d>| %s", level, str);
+}
+
+void doit(void)
+{
+	gnutls_certificate_credentials_t serv_cred;
+	gnutls_certificate_credentials_t cli_cred;
+	int ret;
+
+	/* this must be called once in the program
+	 */
+	global_init();
+
+	gnutls_global_set_log_function(tls_log_func);
+	if (debug)
+		gnutls_global_set_log_level(6);
+
+	assert(gnutls_certificate_allocate_credentials(&cli_cred) >= 0);
+
+	ret = gnutls_certificate_set_x509_trust_mem(cli_cred, &ca3_cert, GNUTLS_X509_FMT_PEM);
+	if (ret < 0)
+		fail("set_x509_trust_file failed: %s\n", gnutls_strerror(ret));
+
+
+	ret = gnutls_certificate_set_x509_key_mem(cli_cred, &clidsa_ca3_cert,
+					    &clidsa_ca3_key,
+					    GNUTLS_X509_FMT_PEM);
+	if (ret < 0) {
+		fail("error in error code: %s\n", gnutls_strerror(ret));
+		exit(1);
+	}
+
+	/* test gnutls_certificate_flags() */
+	gnutls_certificate_allocate_credentials(&serv_cred);
+	gnutls_certificate_set_flags(serv_cred, GNUTLS_CERTIFICATE_SKIP_KEY_CERT_MATCH);
+
+	ret = gnutls_certificate_set_x509_trust_mem(serv_cred, &ca3_cert, GNUTLS_X509_FMT_PEM);
+	if (ret < 0)
+		fail("set_x509_trust_file failed: %s\n", gnutls_strerror(ret));
+
+	ret = gnutls_certificate_set_x509_key_mem(serv_cred, &server_ca3_localhost_cert_chain,
+					    &server_ca3_key,
+					    GNUTLS_X509_FMT_PEM);
+	if (ret < 0) {
+		fail("error in error code\n");
+		exit(1);
+	}
+
+	test_cli_serv_cert(serv_cred, cli_cred, "NORMAL:+DHE-DSS:+SIGN-DSA-SHA1", "NORMAL:-DHE-DSS:-SIGN-DSA-SHA1", "localhost");
+
+	gnutls_certificate_free_credentials(serv_cred);
+	gnutls_certificate_free_credentials(cli_cred);
+
+	gnutls_global_deinit();
+
+	if (debug)
+		success("success");
+}