1 files changed, 334 insertions, 0 deletions
diff --git a/tests/tls12-rehandshake-cert-3.c b/tests/tls12-rehandshake-cert-3.c
new file mode 100644
index 0000000..4fcbc6c
--- /dev/null
+++ b/tests/tls12-rehandshake-cert-3.c
@@ -0,0 +1,334 @@
+/*
+ * Copyright (C) 2014 Nikos Mavrogiannopoulos
+ * Copyright (C) 2017 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/dtls.h>
+#include <signal.h>
+
+#include "utils.h"
+#include "cert-common.h"
+
+static void terminate(void);
+
+/* This program tests client initiated rehandshake.
+ * On the initial handshake a certificate is requested from the
+ * client, while on the following up not.
+ */
+
+static void server_log_func(int level, const char *str)
+{
+	fprintf(stderr, "server|<%d>| %s", level, str);
+}
+
+static void client_log_func(int level, const char *str)
+{
+	fprintf(stderr, "client|<%d>| %s", level, str);
+}
+
+#define MAX_BUF 1024
+#define MAX_REHANDSHAKES 16
+
+static void client(int fd)
+{
+	int ret;
+	char buffer[MAX_BUF + 1];
+	gnutls_certificate_credentials_t x509_cred;
+	gnutls_session_t session;
+	unsigned i;
+
+	global_init();
+	memset(buffer, 2, sizeof(buffer));
+
+	if (debug) {
+		gnutls_global_set_log_function(client_log_func);
+		gnutls_global_set_log_level(3);
+	}
+
+	gnutls_certificate_allocate_credentials(&x509_cred);
+	gnutls_certificate_set_x509_key_mem(x509_cred, &cli_cert,
+					    &cli_key, GNUTLS_X509_FMT_PEM);
+
+	/* Initialize TLS session
+	 */
+	gnutls_init(&session, GNUTLS_CLIENT);
+	gnutls_handshake_set_timeout(session, get_timeout());
+
+	/* Use default priorities */
+	gnutls_priority_set_direct(session, "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.2:+VERS-TLS1.1", NULL);
+
+	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)));
+
+	for (i=0;i<MAX_REHANDSHAKES;i++) {
+		do {
+			ret = gnutls_handshake(session);
+		} while(ret == GNUTLS_E_INTERRUPTED || ret == GNUTLS_E_AGAIN);
+		if (ret != 0) {
+			fail("client: error in code after rehandshake: %s\n",
+			     gnutls_strerror(ret));
+			exit(1);
+		}
+
+	}
+
+	do {
+		do {
+			ret =
+			    gnutls_record_recv(session, buffer,
+					       MAX_BUF);
+		} while (ret == GNUTLS_E_AGAIN
+			 || ret == GNUTLS_E_INTERRUPTED);
+	} while (ret > 0);
+
+	if (ret != 0) {
+		fail("client: Error receiving: %s\n",
+		     gnutls_strerror(ret));
+		exit(1);
+	}
+
+	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;
+	char buffer[MAX_BUF + 1];
+	gnutls_session_t session;
+	gnutls_certificate_credentials_t x509_cred;
+	unsigned tries = 0;
+
+	/* this must be called once in the program
+	 */
+	global_init();
+	memset(buffer, 0, sizeof(buffer));
+
+	if (debug) {
+		gnutls_global_set_log_function(server_log_func);
+		gnutls_global_set_log_level(4);
+	}
+
+	gnutls_certificate_allocate_credentials(&x509_cred);
+	gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
+					    &server_key, GNUTLS_X509_FMT_PEM);
+
+	gnutls_init(&session, GNUTLS_SERVER);
+	gnutls_handshake_set_timeout(session, get_timeout());
+
+	/* avoid calling all the priority functions, since the defaults
+	 * are adequate.
+	 */
+	gnutls_priority_set_direct(session, "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.2:+VERS-TLS1.1", NULL);
+
+	gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
+	gnutls_certificate_server_set_request(session, GNUTLS_CERT_REQUIRE);
+
+	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)));
+
+	gnutls_certificate_server_set_request(session, GNUTLS_CERT_IGNORE);
+
+	do {
+		tries++;
+
+		do {
+			do {
+				ret =
+				    gnutls_record_recv(session, buffer,
+							MAX_BUF);
+			} while (ret == GNUTLS_E_AGAIN
+				 || ret == GNUTLS_E_INTERRUPTED);
+		} while (ret > 0);
+
+		if (ret == 0)
+			break;
+
+		if (ret != GNUTLS_E_REHANDSHAKE) {
+			fail("server: Error receiving client handshake request: %s\n", gnutls_strerror(ret));
+			terminate();
+		}
+
+		if (debug)
+			success("server: starting handshake\n");
+
+		ret = gnutls_handshake(session);
+		if (ret != 0) {
+			fail("server: unexpected error: %s\n", gnutls_strerror(ret));
+			terminate();
+		}
+
+		if (debug)
+			success("server: handshake %d\n", tries);
+	} while(tries < MAX_REHANDSHAKES);
+
+	if (tries < MAX_REHANDSHAKES)
+		fail("server: only did %d rehandshakes\n", tries);
+
+	ret = gnutls_record_send(session, "hello", 4);
+	if (ret < 0) {
+		fail("Error sending data: %s\n",
+		     gnutls_strerror(ret));
+		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");
+}
+
+static void start(void)
+{
+	int fd[2];
+	int ret;
+	int status = 0;
+
+	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[1]);
+		server(fd[0]);
+		wait(&status);
+		check_wait_status(status);
+	} else {
+		close(fd[0]);
+		client(fd[1]);
+		exit(0);
+	}
+}
+
+static void ch_handler(int sig)
+{
+	return;
+}
+
+void doit(void)
+{
+	signal(SIGCHLD, ch_handler);
+	signal(SIGPIPE, SIG_IGN);
+
+	start();
+}
+
+#endif				/* _WIN32 */