1 files changed, 282 insertions, 0 deletions
diff --git a/tests/custom-urls-override.c b/tests/custom-urls-override.c
new file mode 100644
index 0000000..1ed55b2
--- /dev/null
+++ b/tests/custom-urls-override.c
@@ -0,0 +1,282 @@
+/*
+ * 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>
+
+#if defined(_WIN32)
+
+int main()
+{
+	exit(77);
+}
+
+#else
+
+#include <string.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/abstract.h>
+#include <gnutls/urls.h>
+#include <signal.h>
+#include <assert.h>
+#include "cert-common.h"
+
+#include "utils.h"
+
+static void terminate(void);
+static unsigned url_used = 0;
+
+/* This program tests the registration of custom URL strings.
+ */
+
+static void server_log_func(int level, const char *str)
+{
+	fprintf(stderr, "server|<%d>| %s", level, str);
+}
+
+static int url_import_key(gnutls_privkey_t pkey, const char *url, unsigned flags)
+{
+	if (strcmp(url, "system:key") != 0) {
+		fail("unexpected key url: %s\n", url);
+		return GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE;
+	}
+	url_used++;
+	return gnutls_privkey_import_x509_raw(pkey, &server_key, GNUTLS_X509_FMT_PEM, NULL, 0);
+}
+
+static int url_import_crt(gnutls_x509_crt_t crt, const char *url, unsigned flags)
+{
+	if (strcmp(url, "system:cert") != 0) {
+		abort();
+		fail("unexpected cert url: %s\n", url);
+		return GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE;
+	}
+	url_used++;
+	return gnutls_x509_crt_import(crt, &server_cert, GNUTLS_X509_FMT_PEM);
+}
+
+static void client(int fd)
+{
+	int ret;
+	gnutls_certificate_credentials_t x509_cred;
+	gnutls_session_t session;
+
+	gnutls_certificate_allocate_credentials(&x509_cred);
+
+	/* Initialize TLS session
+	 */
+	gnutls_init(&session, GNUTLS_CLIENT);
+
+	/* Use default priorities */
+	assert(gnutls_priority_set_direct(session, "NORMAL:-VERS-ALL:+VERS-TLS1.2", NULL)>=0);
+
+	gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
+
+	gnutls_transport_set_int(session, fd);
+
+	/* Perform the TLS handshake
+	 */
+	do {
+		ret = gnutls_handshake(session);
+	}
+	while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+
+	if (ret < 0) {
+		fail("client: Handshake failed\n");
+		gnutls_perror(ret);
+		exit(1);
+	} else {
+		if (debug)
+			success("client: Handshake was completed\n");
+	}
+
+	if (debug)
+		success("client: TLS version is: %s\n",
+			gnutls_protocol_get_name
+			(gnutls_protocol_get_version(session)));
+
+	gnutls_bye(session, GNUTLS_SHUT_WR);
+
+	close(fd);
+
+	gnutls_deinit(session);
+
+	gnutls_certificate_free_credentials(x509_cred);
+
+	gnutls_global_deinit();
+}
+
+/* These are global */
+pid_t child;
+
+static void terminate(void)
+{
+	assert(child);
+	kill(child, SIGTERM);
+	exit(1);
+}
+
+static void server(int fd)
+{
+	int ret;
+	gnutls_session_t session;
+	gnutls_certificate_credentials_t x509_cred;
+
+	/* this must be called once in the program
+	 */
+	gnutls_certificate_allocate_credentials(&x509_cred);
+
+	ret = gnutls_certificate_set_x509_key_file(x509_cred, "system:cert", "system:key",
+						   GNUTLS_X509_FMT_PEM);
+	if (ret < 0) {
+		fail("server: gnutls_certificate_set_x509_key_file (%s)\n\n",
+		     gnutls_strerror(ret));
+		terminate();
+	}
+
+	gnutls_init(&session, GNUTLS_SERVER);
+
+	/* avoid calling all the priority functions, since the defaults
+	 * are adequate.
+	 */
+	assert(gnutls_priority_set_direct(session, "NORMAL:-VERS-ALL:+VERS-TLS1.2", NULL)>=0);
+
+	gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
+
+	gnutls_transport_set_int(session, fd);
+
+	do {
+		ret = gnutls_handshake(session);
+	}
+	while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+	if (ret < 0) {
+		close(fd);
+		gnutls_deinit(session);
+		fail("server: Handshake has failed (%s)\n\n",
+		     gnutls_strerror(ret));
+		terminate();
+	}
+	if (debug)
+		success("server: Handshake was completed\n");
+
+	if (debug)
+		success("server: TLS version is: %s\n",
+			gnutls_protocol_get_name
+			(gnutls_protocol_get_version(session)));
+
+	if (url_used != 2) {
+		fail("The callbacks were not used\n");
+		terminate();
+	}
+
+	/* do not wait for the peer to close the connection.
+	 */
+	gnutls_bye(session, GNUTLS_SHUT_WR);
+
+	close(fd);
+	gnutls_deinit(session);
+
+	gnutls_certificate_free_credentials(x509_cred);
+
+	gnutls_global_deinit();
+
+	if (debug)
+		success("server: finished\n");
+}
+
+const gnutls_custom_url_st custom_url_st = {
+	.name = "system:",
+	.name_size = sizeof("system:")-1,
+	.import_key = url_import_key,
+	.import_crt = url_import_crt
+};
+
+static void start(void)
+{
+	int fd[2];
+	int ret;
+
+	global_init();
+
+	if (debug) {
+		gnutls_global_set_log_function(server_log_func);
+		gnutls_global_set_log_level(3);
+	}
+
+	ret = gnutls_register_custom_url(&custom_url_st);
+	if (ret < 0) {
+		fail("error registering: %s\n", gnutls_strerror(ret));
+		exit(1);
+	}
+
+	ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fd);
+	if (ret < 0) {
+		perror("socketpair");
+		exit(1);
+	}
+
+	child = fork();
+	if (child < 0) {
+		perror("fork");
+		fail("fork");
+		exit(1);
+	}
+
+	if (child) {
+		/* parent */
+		close(fd[0]);
+		client(fd[1]);
+		kill(child, SIGTERM);
+	} else {
+		close(fd[1]);
+		server(fd[0]);
+		exit(0);
+	}
+}
+
+static void ch_handler(int sig)
+{
+	int status;
+	wait(&status);
+	check_wait_status(status);
+	return;
+}
+
+void doit(void)
+{
+	signal(SIGCHLD, ch_handler);
+	signal(SIGPIPE, SIG_IGN);
+
+	start();
+}
+
+#endif				/* _WIN32 */