--- /dev/null
+/*
+ * Copyright (C) 2019 Nikos Mavrogiannopoulos
+ *
+ * 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 <signal.h>
+#include <assert.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/dtls.h>
+
+#include "utils.h"
+
+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);
+}
+
+/* A DTLS client handling DTLS 1.2 resumption under AnyConnect protocol which sets premaster secret.
+ */
+
+#define MAX_BUF 1024
+
+static ssize_t
+push(gnutls_transport_ptr_t tr, const void *data, size_t len)
+{
+ int fd = (long int) tr;
+
+ return send(fd, data, len, 0);
+}
+
+static gnutls_datum_t master =
+ { (void*)"\x44\x66\x44\xa9\xb6\x29\xed\x6e\xd6\x93\x15\xdb\xf0\x7d\x4b\x2e\x18\xb1\x9d\xed\xff\x6a\x86\x76\xc9\x0e\x16\xab\xc2\x10\xbb\x17\x99\x24\xb1\xd9\xb9\x95\xe7\xea\xea\xea\xea\xea\xff\xaa\xac", 48};
+static gnutls_datum_t sess_id =
+ { (void*)"\xd9\xb9\x95\xe7\xea", 5};
+
+static void client(int fd, const char *prio, int proto, int cipher, int kx, int mac, const char *exp_desc)
+{
+ int ret;
+ char buffer[MAX_BUF + 1];
+ char *desc;
+ gnutls_certificate_credentials_t xcred;
+ gnutls_session_t session;
+
+ global_init();
+
+ if (debug) {
+ gnutls_global_set_log_function(client_log_func);
+ gnutls_global_set_log_level(4711);
+ }
+
+ gnutls_certificate_allocate_credentials(&xcred);
+
+ gnutls_init(&session, GNUTLS_CLIENT | GNUTLS_DATAGRAM);
+ gnutls_dtls_set_mtu(session, 1500);
+ gnutls_handshake_set_timeout(session, 20 * 1000);
+
+ assert(gnutls_priority_set_direct(session,
+ prio,
+ NULL) >= 0);
+
+ ret = gnutls_session_set_premaster(session, GNUTLS_CLIENT,
+ proto, kx, cipher, mac,
+ GNUTLS_COMP_NULL, &master, &sess_id);
+ if (ret < 0) {
+ fail("client: gnutls_session_set_premaster failed: %s\n", gnutls_strerror(ret));
+ exit(1);
+ }
+
+ gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, xcred);
+
+ gnutls_transport_set_int(session, fd);
+ gnutls_transport_set_push_function(session, push);
+
+ /* Perform the TLS handshake
+ */
+ do {
+ ret = gnutls_handshake(session);
+ }
+ while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+
+ if (ret < 0) {
+ fail("client: Handshake failed\n");
+ gnutls_perror(ret);
+ exit(1);
+ } else {
+ if (debug)
+ success("client: Handshake was completed\n");
+ }
+
+ desc = gnutls_session_get_desc(session);
+ if (desc == NULL)
+ fail("client: gnutls_session_get_desc: NULL\n");
+
+ if (strcmp(desc, exp_desc) != 0)
+ fail("client: gnutls_session_get_desc: found null str: %s\n", desc);
+
+ success(" - connected with: %s\n", desc);
+ gnutls_free(desc);
+
+ if (debug)
+ success("client: TLS version is: %s\n",
+ gnutls_protocol_get_name
+ (gnutls_protocol_get_version(session)));
+
+ do {
+ ret = gnutls_record_recv(session, buffer, sizeof(buffer)-1);
+ } while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+
+ if (ret == 0) {
+ if (debug)
+ success
+ ("client: Peer has closed the TLS connection\n");
+ goto end;
+ } else if (ret < 0) {
+ fail("client: Error: %s\n", gnutls_strerror(ret));
+ exit(1);
+ }
+
+ gnutls_bye(session, GNUTLS_SHUT_WR);
+
+ end:
+
+ close(fd);
+
+ gnutls_deinit(session);
+
+ gnutls_certificate_free_credentials(xcred);
+
+ gnutls_global_deinit();
+}
+
+
+static void server(int fd, const char *prio, int proto, int cipher, int kx, int mac)
+{
+ int ret;
+ gnutls_certificate_credentials_t xcred;
+ char buffer[MAX_BUF + 1];
+ gnutls_session_t session;
+
+ /* this must be called once in the program
+ */
+ global_init();
+
+ if (debug) {
+ gnutls_global_set_log_function(server_log_func);
+ gnutls_global_set_log_level(4711);
+ }
+
+ gnutls_certificate_allocate_credentials(&xcred);
+
+ gnutls_init(&session, GNUTLS_SERVER | GNUTLS_DATAGRAM);
+ gnutls_handshake_set_timeout(session, 20 * 1000);
+ gnutls_dtls_set_mtu(session, 1500);
+
+ /* avoid calling all the priority functions, since the defaults
+ * are adequate.
+ */
+ assert(gnutls_priority_set_direct(session,
+ prio,
+ NULL) >= 0);
+
+ ret = gnutls_session_set_premaster(session, GNUTLS_SERVER,
+ proto, kx, cipher, mac,
+ GNUTLS_COMP_NULL, &master, &sess_id);
+ if (ret < 0) {
+ fail("server: gnutls_session_set_premaster failed: %s\n", gnutls_strerror(ret));
+ exit(1);
+ }
+
+ gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, xcred);
+
+ gnutls_transport_set_int(session, fd);
+ gnutls_transport_set_push_function(session, push);
+
+ do {
+ ret = gnutls_handshake(session);
+ }
+ while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
+ if (ret < 0) {
+ close(fd);
+ gnutls_deinit(session);
+ fail("server: Handshake has failed (%s)\n\n",
+ gnutls_strerror(ret));
+ }
+ if (debug)
+ success("server: Handshake was completed\n");
+
+ if (debug)
+ success("server: TLS version is: %s\n",
+ gnutls_protocol_get_name
+ (gnutls_protocol_get_version(session)));
+
+ /* see the Getting peer's information example */
+ /* print_info(session); */
+
+ memset(buffer, 1, sizeof(buffer));
+ do {
+ ret = gnutls_record_send(session, buffer, sizeof(buffer)-1);
+ } while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+
+ if (ret < 0) {
+ close(fd);
+ gnutls_deinit(session);
+ fail("server: data sending has failed (%s)\n\n",
+ gnutls_strerror(ret));
+ }
+
+
+ /* do not wait for the peer to close the connection.
+ */
+ gnutls_bye(session, GNUTLS_SHUT_WR);
+
+ close(fd);
+ gnutls_deinit(session);
+
+ gnutls_certificate_free_credentials(xcred);
+
+ gnutls_global_deinit();
+
+ if (debug)
+ success("server: finished\n");
+}
+
+static void run(const char *name, const char *prio, int proto, int cipher, int kx, int mac, const char *exp_desc)
+{
+ 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) {
+ int status;
+ /* parent */
+
+ close(fd[1]);
+ server(fd[0], prio, proto, cipher, kx, mac);
+ wait(&status);
+ check_wait_status(status);
+ close(fd[0]);
+ } else {
+ close(fd[0]);
+ client(fd[1], prio, proto, cipher, kx, mac, exp_desc);
+ close(fd[1]);
+ exit(0);
+ }
+}
+
+void doit(void)
+{
+ signal(SIGPIPE, SIG_IGN);
+
+ run("dtls1.2-aes128-ecdhe", "NONE:+VERS-DTLS1.2:+COMP-NULL:+AES-128-GCM:+AEAD:+ECDHE-RSA:+SIGN-ALL:%COMPAT",
+ GNUTLS_DTLS1_2, GNUTLS_CIPHER_AES_128_GCM, GNUTLS_KX_ECDHE_RSA, GNUTLS_MAC_AEAD, "(DTLS1.2)-(ECDHE-RSA)-(AES-128-GCM)");
+ run("dtls1.2-aes256-ecdhe", "NONE:+VERS-DTLS1.2:+COMP-NULL:+AES-256-GCM:+AEAD:+ECDHE-RSA:+SIGN-ALL:%COMPAT",
+ GNUTLS_DTLS1_2, GNUTLS_CIPHER_AES_256_GCM, GNUTLS_KX_ECDHE_RSA, GNUTLS_MAC_AEAD, "(DTLS1.2)-(ECDHE-RSA)-(AES-256-GCM)");
+ run("dtls1.2-aes128-rsa", "NONE:+VERS-DTLS1.2:+COMP-NULL:+AES-128-GCM:+AEAD:+RSA:+SIGN-ALL:%COMPAT",
+ GNUTLS_DTLS1_2, GNUTLS_CIPHER_AES_128_GCM, GNUTLS_KX_RSA, GNUTLS_MAC_AEAD, "(DTLS1.2)-(RSA)-(AES-128-GCM)");
+ run("dtls1.2-aes256-rsa", "NONE:+VERS-DTLS1.2:+COMP-NULL:+AES-256-GCM:+AEAD:+RSA:+SIGN-ALL:%COMPAT",
+ GNUTLS_DTLS1_2, GNUTLS_CIPHER_AES_256_GCM, GNUTLS_KX_RSA, GNUTLS_MAC_AEAD, "(DTLS1.2)-(RSA)-(AES-256-GCM)");
+}
+
+#endif /* _WIN32 */
projects / thirdparty / gnutls.git / commitdiff
