Adding upstream version 3.7.9.upstream/3.7.9upstream

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

1 files changed, 247 insertions, 0 deletions

diff --git a/tests/dtls-session-ticket-lost.c b/tests/dtls-session-ticket-lost.c
new file mode 100644
index 0000000..df3a606
--- /dev/null
+++ b/tests/dtls-session-ticket-lost.c
@@ -0,0 +1,247 @@
+/*
+ * Copyright (C) 2018 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 Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>
+ */
+
+#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 <assert.h>
+
+#include "cert-common.h"
+#include "utils.h"
+
+/* This program is a reproducer for issue #543; the timeout
+ * of DTLS handshake when a NewSessionTicket is lost.
+ */
+
+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
+
+static void client(int fd, const char *prio)
+{
+	int ret;
+	gnutls_certificate_credentials_t x509_cred;
+	gnutls_session_t session;
+
+	if (debug) {
+		gnutls_global_set_log_function(client_log_func);
+		gnutls_global_set_log_level(6);
+	}
+
+	gnutls_certificate_allocate_credentials(&x509_cred);
+
+	assert(gnutls_init(&session, GNUTLS_CLIENT|GNUTLS_DATAGRAM)>=0);
+
+	assert(gnutls_priority_set_direct(session, prio, 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) {
+		fail("client: Handshake failed: %s\n", gnutls_strerror(ret));
+	} else {
+		if (debug)
+			success("client: Handshake was completed\n");
+	}
+
+	gnutls_record_set_timeout(session, 30*1000);
+
+	do {
+		ret = gnutls_bye(session, GNUTLS_SHUT_WR);
+	} while(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+
+	close(fd);
+
+	gnutls_deinit(session);
+
+	gnutls_certificate_free_credentials(x509_cred);
+}
+
+
+static ssize_t
+server_push(gnutls_transport_ptr_t tr, const void *data, size_t len)
+{
+	const uint8_t *d = data;
+	static int dropped = 0;
+
+	if (d[13] == GNUTLS_HANDSHAKE_NEW_SESSION_TICKET) {
+		if (dropped == 0) {
+			success("dropping message: %s\n", gnutls_handshake_description_get_name(d[13]));
+			dropped = 1;
+			return len;
+		}
+	}
+
+	return send((long)tr, data, len, 0);
+}
+
+static void server(int fd, const char *prio)
+{
+	int ret;
+	char buffer[MAX_BUF + 1];
+	gnutls_session_t session;
+	gnutls_certificate_credentials_t x509_cred;
+	gnutls_datum_t skey;
+
+	memset(buffer, 0, sizeof(buffer));
+
+	if (debug) {
+		gnutls_global_set_log_function(server_log_func);
+		gnutls_global_set_log_level(6);
+	}
+
+	assert(gnutls_certificate_allocate_credentials(&x509_cred)>=0);
+	assert(gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
+					    &server_key,
+					    GNUTLS_X509_FMT_PEM)>=0);
+
+	assert(gnutls_init(&session, GNUTLS_SERVER|GNUTLS_DATAGRAM)>=0);
+
+	assert(gnutls_session_ticket_key_generate(&skey)>=0);
+	assert(gnutls_session_ticket_enable_server(session, &skey) >= 0);
+
+	gnutls_transport_set_push_function(session, server_push);
+
+	assert(gnutls_priority_set_direct(session, prio, 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) {
+		/* failure is expected here */
+		goto end;
+	}
+
+	if (debug) {
+		success("server: Handshake was completed\n");
+	}
+
+	gnutls_record_set_timeout(session, 30*1000);
+
+	success("waiting for EOF\n");
+	do {
+		ret = gnutls_record_recv(session, buffer, sizeof(buffer));
+	} while(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+	if (ret != 0)
+		fail("error waiting for EOF: %s\n", gnutls_strerror(ret));
+
+ end:
+	close(fd);
+	gnutls_deinit(session);
+	gnutls_free(skey.data);
+
+	gnutls_certificate_free_credentials(x509_cred);
+
+	if (debug)
+		success("server: finished\n");
+}
+
+static void ch_handler(int sig)
+{
+	return;
+}
+
+static
+void start(const char *prio)
+{
+	int fd[2];
+	int ret, status = 0;
+	pid_t child;
+
+	success("trying %s\n", prio);
+	signal(SIGCHLD, ch_handler);
+	signal(SIGPIPE, SIG_IGN);
+
+	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]);
+		client(fd[0], prio);
+		waitpid(child, &status, 0);
+		check_wait_status(status);
+	} else {
+		close(fd[0]);
+		server(fd[1], prio);
+		exit(0);
+	}
+
+	return;
+}
+
+void doit(void)
+{
+	start("NORMAL:-VERS-ALL:+VERS-DTLS1.2");
+}
+
+#endif				/* _WIN32 */