1 files changed, 314 insertions, 0 deletions
diff --git a/tests/tls13/no-auto-send-ticket.c b/tests/tls13/no-auto-send-ticket.c
new file mode 100644
index 0000000000..2602f178a1
--- /dev/null
+++ b/tests/tls13/no-auto-send-ticket.c
@@ -0,0 +1,314 @@
+/*
+ * Copyright (C) 2017-2020 Red Hat, Inc.
+ *
+ * Author: Nikos Mavrogiannopoulos, Daiki Ueno
+ *
+ * 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 <signal.h>
+#include <assert.h>
+
+#include "../lib/handshake-defs.h"
+#include "cert-common.h"
+#include "utils.h"
+
+/* This program tests whether the certificate seen in Post Handshake Auth
+ * is found in a resumed session under TLS 1.3.
+ */
+
+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);
+}
+
+static unsigned tickets_seen = 0;
+static int ticket_callback(gnutls_session_t session, unsigned int htype,
+			   unsigned post, unsigned int incoming, const gnutls_datum_t *msg)
+{
+	gnutls_datum *d;
+	int ret;
+
+	assert(htype == GNUTLS_HANDSHAKE_NEW_SESSION_TICKET);
+
+	d = gnutls_session_get_ptr(session);
+
+	if (post == GNUTLS_HOOK_POST) {
+		tickets_seen++;
+		if (d->data)
+			gnutls_free(d->data);
+		ret = gnutls_session_get_data2(session, d);
+		assert(ret >= 0);
+		assert(d->size > 4);
+
+		return 0;
+	}
+
+	return 0;
+}
+
+static void client(int fd, unsigned flags, unsigned tickets)
+{
+	int ret;
+	gnutls_session_t session;
+	unsigned try = 0;
+	gnutls_datum_t session_data = {NULL, 0};
+	gnutls_certificate_credentials_t x509_cred;
+
+	global_init();
+	tickets_seen = 0;
+
+	if (debug) {
+		gnutls_global_set_log_function(client_log_func);
+		gnutls_global_set_log_level(7);
+	}
+
+	assert(gnutls_certificate_allocate_credentials(&x509_cred)>=0);
+
+ retry:
+	/* Initialize TLS session
+	 */
+	assert(gnutls_init(&session, GNUTLS_CLIENT|flags)>=0);
+
+	gnutls_handshake_set_timeout(session, 20 * 1000);
+
+	ret = gnutls_priority_set_direct(session, "NORMAL:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2:+VERS-TLS1.0", NULL);
+	if (ret < 0)
+		fail("cannot set TLS 1.3 priorities\n");
+
+
+	if (try == 0) {
+		gnutls_session_set_ptr(session, &session_data);
+		gnutls_handshake_set_hook_function(session, GNUTLS_HANDSHAKE_NEW_SESSION_TICKET,
+						   GNUTLS_HOOK_BOTH,
+						   ticket_callback);
+	} else {
+		assert(gnutls_session_set_data(session, session_data.data, session_data.size) >= 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("handshake failed: %s\n", gnutls_strerror(ret));
+
+	do {
+		ret = gnutls_bye(session, GNUTLS_SHUT_RDWR);
+	} while(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+
+	if (ret != 0) {
+		fail("error in recv: %s\n", gnutls_strerror(ret));
+	}
+
+	if (tickets_seen != tickets)
+		fail("unexpected number of tickets received: %u != %u",
+		     tickets_seen, tickets);
+
+	gnutls_deinit(session);
+
+	if (tickets > 0 && try == 0) {
+		try++;
+		goto retry;
+	}
+
+	close(fd);
+	gnutls_free(session_data.data);
+
+	gnutls_global_deinit();
+}
+
+static void server(int fd, unsigned flags,
+		   unsigned tickets_sent, unsigned tickets_expected)
+{
+	int ret;
+	gnutls_session_t session;
+	gnutls_certificate_credentials_t x509_cred;
+	gnutls_datum_t skey;
+
+	/* this must be called once in the program
+	 */
+	global_init();
+
+	assert(gnutls_session_ticket_key_generate(&skey)>=0);
+
+	if (debug) {
+		gnutls_global_set_log_function(server_log_func);
+		gnutls_global_set_log_level(4711);
+	}
+
+	gnutls_certificate_allocate_credentials(&x509_cred);
+	gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
+					    &server_key,
+					    GNUTLS_X509_FMT_PEM);
+
+	assert(gnutls_init(&session, GNUTLS_SERVER|flags)>=0);
+
+	assert(gnutls_session_ticket_enable_server(session, &skey) >= 0);
+	gnutls_handshake_set_timeout(session, 20 * 1000);
+
+	assert(gnutls_priority_set_direct(session, "NORMAL:+VERS-TLS1.3", 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("handshake failed: %s\n", gnutls_strerror(ret));
+
+	if (tickets_sent > 0) {
+		do {
+			ret = gnutls_session_ticket_send(session, tickets_sent, 0);
+		} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+	}
+
+	do {
+		ret = gnutls_bye(session, GNUTLS_SHUT_RDWR);
+	} while(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+	gnutls_deinit(session);
+
+	if (tickets_expected > 0) {
+		/* resume session
+		 */
+		assert(gnutls_init(&session, GNUTLS_SERVER|flags)>=0);
+
+		assert(gnutls_session_ticket_enable_server(session, &skey) >= 0);
+		gnutls_handshake_set_timeout(session, 20 * 1000);
+		assert(gnutls_priority_set_direct(session, "NORMAL:+VERS-TLS1.3", 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("handshake failed: %s\n", gnutls_strerror(ret));
+
+		assert(gnutls_session_is_resumed(session) != 0);
+
+		gnutls_bye(session, GNUTLS_SHUT_RDWR);
+		gnutls_deinit(session);
+	}
+
+	gnutls_free(skey.data);
+	close(fd);
+	gnutls_certificate_free_credentials(x509_cred);
+
+	gnutls_global_deinit();
+
+	if (debug)
+		success("server: client/server hello were verified\n");
+}
+
+static void ch_handler(int sig)
+{
+	int status = 0;
+	wait(&status);
+	check_wait_status(status);
+	return;
+}
+
+static void start(const char *name,
+		  unsigned flags,
+		  unsigned tickets_sent,
+		  unsigned tickets_expected)
+{
+	int fd[2];
+	int ret;
+	pid_t child;
+
+	success("testing: %s\n", name);
+
+	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], flags, tickets_sent, tickets_expected);
+		kill(child, SIGTERM);
+	} else {
+		close(fd[0]);
+		client(fd[1], flags, tickets_expected);
+		exit(0);
+	}
+
+}
+
+void doit(void)
+{
+	signal(SIGCHLD, ch_handler);
+	signal(SIGPIPE, SIG_IGN);
+
+	start("auto send ticket 0", 0, 0, TLS13_TICKETS_TO_SEND);
+	start("auto send ticket 1", 0, 1, TLS13_TICKETS_TO_SEND + 1);
+	start("no auto send ticket 0", GNUTLS_NO_AUTO_SEND_TICKET, 0, 0);
+	start("no auto send ticket 1", GNUTLS_NO_AUTO_SEND_TICKET, 1, 1);
+}
+#endif				/* _WIN32 */