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+/*
+ * Copyright (C) 2008-2012 Free Software Foundation, Inc.
+ * Copyright (C) 2018 Red Hat, Inc.
+ *
+ * Author: Simon Josefsson, 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 <http://www.gnu.org/licenses/>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/crypto.h>
+
+#define RANDOMIZE
+#include "cert-common.h"
+#include "cmocka-common.h"
+
+static void tls_log_func(int level, const char *str)
+{
+ fprintf(stderr, "<%d>| %s", level, str);
+}
+
+#define MAX_BUF 1024
+#define MSG "Hello TLS, and hi and how are you and more data here... and more... and even more and even more more data..."
+
+static void async_handshake(void **glob_state, const char *prio, unsigned rehsk)
+{
+ /* Server stuff. */
+ gnutls_certificate_credentials_t serverx509cred;
+ gnutls_session_t server;
+ int sret, cret;
+ /* Client stuff. */
+ gnutls_certificate_credentials_t clientx509cred;
+ gnutls_session_t client;
+ /* Need to enable anonymous KX specifically. */
+ char buffer[MAX_BUF + 1];
+ int ret, transferred = 0, msglen;
+
+ /* General init. */
+ reset_buffers();
+ gnutls_global_init();
+ gnutls_global_set_log_function(tls_log_func);
+
+ /* Init server */
+ assert_return_code(gnutls_certificate_allocate_credentials(&serverx509cred), 0);
+ assert_return_code(gnutls_certificate_set_x509_key_mem(serverx509cred,
+ &server_cert, &server_key,
+ GNUTLS_X509_FMT_PEM), 0);
+ ret = gnutls_init(&server, GNUTLS_SERVER);
+ assert_return_code(ret, 0);
+
+ ret =
+ gnutls_priority_set_direct(server,
+ prio,
+ NULL);
+ assert_return_code(ret, 0);
+
+ ret = gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, serverx509cred);
+ assert_return_code(ret, 0);
+
+ gnutls_transport_set_push_function(server, server_push);
+ gnutls_transport_set_pull_function(server, server_pull);
+ gnutls_transport_set_ptr(server, server);
+
+ /* Init client */
+
+ ret = gnutls_certificate_allocate_credentials(&clientx509cred);
+ assert_return_code(ret, 0);
+
+ ret = gnutls_init(&client, GNUTLS_CLIENT);
+ ret =
+ gnutls_priority_set_direct(client,
+ prio,
+ NULL);
+ assert_return_code(ret, 0);
+
+ ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, clientx509cred);
+ assert_return_code(ret, 0);
+
+ gnutls_transport_set_push_function(client, client_push);
+ gnutls_transport_set_pull_function(client, client_pull);
+ gnutls_transport_set_ptr(client, client);
+
+ HANDSHAKE(client, server);
+
+ if (rehsk == 1) {
+ ssize_t n;
+ char b[1];
+
+ do {
+ sret = gnutls_rehandshake(server);
+ } while (sret == GNUTLS_E_AGAIN);
+
+ do {
+ n = gnutls_record_recv(client, b, 1);
+ } while(n == GNUTLS_E_AGAIN);
+
+ assert_int_equal(n, GNUTLS_E_REHANDSHAKE);
+
+ HANDSHAKE(client, server);
+ } else if (rehsk == 2) {
+ HANDSHAKE(client, server);
+ }
+
+ msglen = strlen(MSG);
+ TRANSFER(client, server, MSG, msglen, buffer, MAX_BUF);
+
+ gnutls_bye(client, GNUTLS_SHUT_WR);
+ gnutls_bye(server, GNUTLS_SHUT_WR);
+
+ gnutls_deinit(client);
+ gnutls_deinit(server);
+
+ gnutls_certificate_free_credentials(serverx509cred);
+ gnutls_certificate_free_credentials(clientx509cred);
+
+ gnutls_global_deinit();
+}
+
+static void tls12_async_handshake(void **glob_state)
+{
+ async_handshake(glob_state, "NORMAL:-VERS-ALL:+VERS-TLS1.2", 0);
+}
+
+static void tls12_async_rehandshake_client(void **glob_state)
+{
+ async_handshake(glob_state, "NORMAL:-VERS-ALL:+VERS-TLS1.2", 1);
+}
+
+static void tls12_async_rehandshake_server(void **glob_state)
+{
+ async_handshake(glob_state, "NORMAL:-VERS-ALL:+VERS-TLS1.2", 2);
+}
+
+static void tls13_async_handshake(void **glob_state)
+{
+ async_handshake(glob_state, "NORMAL:-VERS-ALL:+VERS-TLS1.3", 0);
+}
+
+int main(void)
+{
+ const struct CMUnitTest tests[] = {
+ cmocka_unit_test(tls12_async_handshake),
+ cmocka_unit_test(tls12_async_rehandshake_client),
+ cmocka_unit_test(tls12_async_rehandshake_server),
+ cmocka_unit_test(tls13_async_handshake),
+ };
+ return cmocka_run_group_tests(tests, NULL, NULL);
+}