--- /dev/null
+/*
+ * 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 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) {
+ 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)
+{
+ int ret;
+ gnutls_session_t session;
+ unsigned try = 0;
+ gnutls_datum_t session_data = {NULL, 0};
+ gnutls_certificate_credentials_t x509_cred;
+
+ global_init();
+
+ 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)>=0);
+
+ gnutls_handshake_set_timeout(session, 20 * 1000);
+
+ ret = gnutls_priority_set_direct(session, "NORMAL:-VERS-ALL:+VERS-TLS1.3:-GROUP-ALL:+GROUP-SECP256R1:+GROUP-X25519", 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));
+ }
+
+ gnutls_deinit(session);
+
+ if (try == 0) {
+ try++;
+ goto retry;
+ }
+
+ gnutls_free(session_data.data);
+ close(fd);
+ gnutls_certificate_free_credentials(x509_cred);
+
+ gnutls_global_deinit();
+}
+
+#define HANDSHAKE_SESSION_ID_POS 34
+
+static int client_hello_callback(gnutls_session_t session, unsigned int htype,
+ unsigned post, unsigned int incoming,
+ const gnutls_datum_t *msg)
+{
+ gnutls_datum *d;
+
+ assert(post == GNUTLS_HOOK_POST);
+ assert(msg->size >= HANDSHAKE_SESSION_ID_POS + 1);
+
+ d = gnutls_session_get_ptr(session);
+ d->size = msg->data[HANDSHAKE_SESSION_ID_POS];
+ d->data = gnutls_malloc(d->size);
+ memcpy(d->data, &msg->data[HANDSHAKE_SESSION_ID_POS], d->size);
+
+ return 0;
+}
+
+static void server(int fd)
+{
+ int ret;
+ gnutls_session_t session;
+ unsigned try = 0;
+ gnutls_certificate_credentials_t x509_cred;
+ gnutls_datum_t skey;
+ gnutls_datum_t session_id = {NULL, 0};
+ gnutls_datum_t retry_session_id = {NULL, 0};
+
+ /* 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);
+
+ retry:
+ assert(gnutls_init(&session, GNUTLS_SERVER)>=0);
+
+ assert(gnutls_session_ticket_enable_server(session, &skey) >= 0);
+ gnutls_handshake_set_timeout(session, 20 * 1000);
+
+ /* server only supports x25519, client advertises secp256r1 */
+ assert(gnutls_priority_set_direct(session, "NORMAL:-VERS-ALL:+VERS-TLS1.3:-GROUP-ALL:+GROUP-X25519", NULL)>=0);
+
+ gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
+
+ gnutls_transport_set_int(session, fd);
+
+ if (try == 0) {
+ gnutls_session_set_ptr(session, &session_id);
+ } else {
+ gnutls_session_set_ptr(session, &retry_session_id);
+ }
+
+ gnutls_handshake_set_hook_function(session, GNUTLS_HANDSHAKE_CLIENT_HELLO,
+ GNUTLS_HOOK_POST,
+ client_hello_callback);
+
+ 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 (try > 0) {
+ assert(gnutls_session_is_resumed(session) != 0);
+
+ /* Check that the same (non-empty) session ID is used in both
+ * initial and resumption handshakes. This assumes
+ * TLS13_APPENDIX_D4 is set to 1 in lib/handshake-defs.h. Once
+ * it's turned off, both session IDs should be empty. */
+ if (session_id.size == 0 ||
+ session_id.size != retry_session_id.size ||
+ memcmp(session_id.data, retry_session_id.data, session_id.size)) {
+ fail("session ids are different after resumption: %u, %u\n",
+ session_id.size, retry_session_id.size);
+ }
+ }
+
+ do {
+ ret = gnutls_bye(session, GNUTLS_SHUT_RDWR);
+ } while(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+ gnutls_deinit(session);
+
+ if (try == 0) {
+ try++;
+ goto retry;
+ }
+
+ gnutls_free(skey.data);
+ close(fd);
+ gnutls_certificate_free_credentials(x509_cred);
+ gnutls_free(session_id.data);
+ gnutls_free(retry_session_id.data);
+
+ 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;
+}
+
+void doit(void)
+{
+ int fd[2];
+ int ret;
+ pid_t child;
+
+ 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]);
+ server(fd[0]);
+ kill(child, SIGTERM);
+ } else {
+ close(fd[0]);
+ client(fd[1]);
+ exit(0);
+ }
+
+}
+#endif /* _WIN32 */
projects / thirdparty / gnutls.git / commitdiff
