--- /dev/null
+/*
+ * Copyright (C) 2017-2022 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 <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <gnutls/gnutls.h>
+
+#include "cert-common.h"
+#include "utils.h"
+#include "tls13/ext-parse.h"
+#include "eagain-common.h"
+
+/* This program tests the scenario described at:
+ * https://gitlab.com/gnutls/gnutls/-/issues/1303
+ *
+ * - the server only supports one mode
+ * - the client follows server's preference with %SERVER_PRECEDENCE
+ * - the client provides two modes, but the first one is not the one the server
+ * supports
+ *
+ * Previously the server was not able to enable PSK (and thus session
+ * resumption) at all in this case and didn't send NewSessionTicket.
+ */
+
+const char *testname = "";
+
+#define myfail(fmt, ...) \
+ fail("%s: "fmt, testname, ##__VA_ARGS__)
+
+const char *side = "";
+
+static void tls_log_func(int level, const char *str)
+{
+ fprintf(stderr, "%s|<%d>| %s", side, level, str);
+}
+
+static int
+new_session_ticket_callback(gnutls_session_t session, unsigned int htype,
+ unsigned post, unsigned int incoming,
+ const gnutls_datum_t *msg)
+{
+ bool *new_session_ticket_sent =
+ gnutls_session_get_ptr(session);
+ *new_session_ticket_sent = true;
+ return 0;
+}
+
+#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 start(const char *name, const char *prio, const char *sprio)
+{
+ int sret, cret;
+ gnutls_certificate_credentials_t scred, ccred;
+ gnutls_session_t server, client;
+ gnutls_datum_t skey;
+ char buffer[MAX_BUF + 1];
+ int transferred = 0;
+ bool new_session_ticket_sent = false;
+
+ testname = name;
+ success("== test %s ==\n", testname);
+
+ global_init();
+ gnutls_global_set_log_function(tls_log_func);
+ if (debug)
+ gnutls_global_set_log_level(9);
+
+ /* Init server */
+ assert(gnutls_certificate_allocate_credentials(&scred) >= 0);
+ assert(gnutls_certificate_set_x509_key_mem(scred,
+ &server_cert,
+ &server_key,
+ GNUTLS_X509_FMT_PEM) >= 0);
+
+ gnutls_init(&server, GNUTLS_SERVER);
+
+ gnutls_handshake_set_hook_function(server,
+ GNUTLS_HANDSHAKE_NEW_SESSION_TICKET,
+ GNUTLS_HOOK_POST,
+ new_session_ticket_callback);
+ gnutls_session_set_ptr(server, &new_session_ticket_sent);
+
+ gnutls_priority_set_direct(server, sprio, NULL);
+
+ assert(gnutls_session_ticket_key_generate(&skey)>=0);
+ assert(gnutls_session_ticket_enable_server(server, &skey) >= 0);
+
+ gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, scred);
+ gnutls_transport_set_push_function(server, server_push);
+ gnutls_transport_set_pull_function(server, server_pull);
+ gnutls_transport_set_ptr(server, server);
+
+ /* Init client */
+ gnutls_certificate_allocate_credentials(&ccred);
+ assert(gnutls_certificate_set_x509_trust_mem
+ (ccred, &ca3_cert, GNUTLS_X509_FMT_PEM) >= 0);
+
+ gnutls_init(&client, GNUTLS_CLIENT);
+
+ cret = gnutls_priority_set_direct(client, prio, NULL);
+ if (cret < 0)
+ myfail("cannot set TLS 1.3 priorities\n");
+
+ /* put the anonymous credentials to the current session
+ */
+ gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, ccred);
+
+ 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 (debug)
+ success("Handshake established\n");
+
+ TRANSFER(client, server, MSG, strlen(MSG), buffer, MAX_BUF);
+ TRANSFER(server, client, MSG, strlen(MSG), buffer, MAX_BUF);
+ EMPTY_BUF(server, client, buffer, MAX_BUF);
+
+ if (!new_session_ticket_sent) {
+ fail("NewSessionTicket is not sent\n");
+ }
+
+ gnutls_bye(client, GNUTLS_SHUT_WR);
+ gnutls_bye(server, GNUTLS_SHUT_WR);
+
+ gnutls_deinit(client);
+ gnutls_deinit(server);
+
+ gnutls_certificate_free_credentials(scred);
+ gnutls_certificate_free_credentials(ccred);
+
+ gnutls_free(skey.data);
+
+ gnutls_global_deinit();
+ reset_buffers();
+}
+
+void doit(void)
+{
+ start("server only supports PSK, client advertises ECDHE-PSK first",
+ "NORMAL:-VERS-ALL:+VERS-TLS1.3:+ECDHE-PSK:+PSK:%SERVER_PRECEDENCE",
+ "NORMAL:-VERS-ALL:+VERS-TLS1.3:+PSK");
+}
projects / thirdparty / gnutls.git / commitdiff
