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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 07:33:12 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 07:33:12 +0000
commit36082a2fe36ecd800d784ae44c14f1f18c66a7e9 (patch)
tree6c68e0c0097987aff85a01dabddd34b862309a7c /tests/mini-dtls-record.c
parentInitial commit. (diff)
downloadgnutls28-36082a2fe36ecd800d784ae44c14f1f18c66a7e9.tar.xz
gnutls28-36082a2fe36ecd800d784ae44c14f1f18c66a7e9.zip
Adding upstream version 3.7.9.upstream/3.7.9upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/mini-dtls-record.c')
-rw-r--r--tests/mini-dtls-record.c406
1 files changed, 406 insertions, 0 deletions
diff --git a/tests/mini-dtls-record.c b/tests/mini-dtls-record.c
new file mode 100644
index 0000000..83d4900
--- /dev/null
+++ b/tests/mini-dtls-record.c
@@ -0,0 +1,406 @@
+/*
+ * Copyright (C) 2012-2013 Free Software Foundation, Inc.
+ * Copyright (C) 2013 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 General Public License
+ * along with GnuTLS; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#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 <errno.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 <gnutls/gnutls.h>
+#include <gnutls/dtls.h>
+
+#include "utils.h"
+
+static int test_finished = 0;
+static void terminate(void);
+
+/* This program tests whether messages in DTLS are received
+ * with the expected sequence. That is whether the message
+ * sequence numbers returned correspond to the received messages.
+ */
+
+/*
+static void
+tls_audit_log_func (gnutls_session_t session, const char *str)
+{
+ fprintf (stderr, "|<%p>| %s", session, str);
+}
+*/
+
+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);
+}
+
+/* These are global */
+static pid_t child;
+
+/* A test client/server app for DTLS duplicate packet detection.
+ */
+
+#define MAX_BUF 1024
+
+#define MAX_SEQ 128
+
+static int msg_seq[] =
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 16, 5, 32, 11, 11, 11, 11, 12,
+ 10, 13, 14, 15, 16, 17, 19, 20, 18, 22, 24, 23, 25, 26, 27, 29, 28,
+ 29, 29, 30, 31, 32, 33, 34, 35, 37, 36, 38, 39, 42, 37, 40, 41, 41,
+ -1
+};
+
+static unsigned int current = 0;
+static unsigned int pos = 0;
+
+unsigned char *stored_messages[MAX_SEQ];
+unsigned int stored_sizes[MAX_SEQ];
+
+static ssize_t odd_push(gnutls_transport_ptr_t tr, const void *data, size_t len)
+{
+ ssize_t ret;
+ unsigned i;
+
+ if (msg_seq[current] == -1 || test_finished != 0) {
+ test_finished = 1;
+ return len;
+ }
+
+ stored_messages[current] = malloc(len);
+ assert(stored_messages[current]);
+ memcpy(stored_messages[current], data, len);
+ stored_sizes[current] = len;
+
+ if (pos != current) {
+ for (i = pos; i <= current; i++) {
+ if (stored_messages[msg_seq[i]] != NULL) {
+ do {
+ ret =
+ send((long int)tr,
+ stored_messages[msg_seq
+ [i]],
+ stored_sizes[msg_seq[i]], 0);
+ }
+ while (ret == -1 && (errno == EAGAIN || errno == EINTR));
+ pos++;
+ } else
+ break;
+ }
+ } else if (msg_seq[current] == (int)current) {
+ do {
+ ret = send((long int)tr, data, len, 0);
+ }
+ while (ret == -1 && (errno == EAGAIN || errno == EINTR));
+
+ current++;
+ pos++;
+
+ return ret;
+ } else if (stored_messages[msg_seq[current]] != NULL) {
+ do {
+ ret =
+ send((long int)tr,
+ stored_messages[msg_seq[current]],
+ stored_sizes[msg_seq[current]], 0);
+ }
+ while (ret == -1 && (errno == EAGAIN || errno == EINTR));
+ current++;
+ pos++;
+ return ret;
+ }
+
+ current++;
+
+ return len;
+}
+
+static ssize_t n_push(gnutls_transport_ptr_t tr, const void *data, size_t len)
+{
+ return send((unsigned long)tr, data, len, 0);
+}
+
+/* The first five messages are handshake. Thus corresponds to msg_seq+5 */
+static int recv_msg_seq[] =
+ { 1, 2, 3, 4, 5, 6, 12, 28, 7, 8, 9, 10, 11, 13, 15, 16, 14, 18, 20,
+ 19, 21, 22, 23, 25, 24, 26, 27, 29, 30, 31, 33, 32, 34, 35, 38, 36, 37,
+ -1
+};
+
+static void client(int fd)
+{
+ gnutls_session_t session;
+ int ret;
+ char buffer[MAX_BUF + 1];
+ gnutls_anon_client_credentials_t anoncred;
+ unsigned char seq[8];
+ uint32_t useq;
+
+ memset(buffer, 0, sizeof(buffer));
+
+ /* Need to enable anonymous KX specifically. */
+
+/* gnutls_global_set_audit_log_function (tls_audit_log_func); */
+ global_init();
+
+ if (debug) {
+ gnutls_global_set_log_function(client_log_func);
+ gnutls_global_set_log_level(2);
+ }
+
+ gnutls_anon_allocate_client_credentials(&anoncred);
+
+ /* Initialize TLS session
+ */
+ gnutls_init(&session, GNUTLS_CLIENT | GNUTLS_DATAGRAM);
+ gnutls_dtls_set_timeouts(session, get_dtls_retransmit_timeout(), get_timeout());
+ gnutls_heartbeat_enable(session, GNUTLS_HB_PEER_ALLOWED_TO_SEND);
+ gnutls_dtls_set_mtu(session, 1500);
+
+ /* Use default priorities */
+ gnutls_priority_set_direct(session,
+ "NONE:+VERS-DTLS1.0:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-ECDH:+CURVE-ALL",
+ NULL);
+
+ /* put the anonymous credentials to the current session
+ */
+ gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
+
+ 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("client: Handshake failed\n");
+ gnutls_perror(ret);
+ exit(1);
+ } else {
+ if (debug)
+ success("client: Handshake was completed\n");
+ }
+
+ gnutls_record_send(session, buffer, 1);
+
+ if (debug)
+ success("client: DTLS version is: %s\n",
+ gnutls_protocol_get_name
+ (gnutls_protocol_get_version(session)));
+ do {
+ ret =
+ gnutls_record_recv_seq(session, buffer, sizeof(buffer),
+ seq);
+
+ if (ret > 0) {
+ useq =
+ seq[7] | (seq[6] << 8) | (seq[5] << 16) |
+ (seq[4] << 24);
+
+ if (debug)
+ success("received %u\n", (unsigned int)useq);
+
+ if (recv_msg_seq[current] == -1) {
+ fail("received message sequence differs\n");
+ exit(1);
+ }
+ if (((uint32_t)recv_msg_seq[current]) != useq) {
+ fail("received message sequence differs (current: %u, got: %u, expected: %u)\n",
+ (unsigned)current, (unsigned)useq, (unsigned)recv_msg_seq[current]);
+ exit(1);
+ }
+
+ current++;
+ }
+ }
+ while ((ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED
+ || ret > 0));
+
+ gnutls_bye(session, GNUTLS_SHUT_WR);
+
+ close(fd);
+
+ gnutls_deinit(session);
+
+ gnutls_anon_free_client_credentials(anoncred);
+
+ gnutls_global_deinit();
+}
+
+static void terminate(void)
+{
+ int status;
+ assert(child);
+ kill(child, SIGTERM);
+ wait(&status);
+ exit(1);
+}
+
+static void server(int fd)
+{
+ int ret;
+ gnutls_session_t session;
+ gnutls_anon_server_credentials_t anoncred;
+ char c;
+
+ global_init();
+
+ if (debug) {
+ gnutls_global_set_log_function(server_log_func);
+ gnutls_global_set_log_level(2);
+ }
+
+ gnutls_anon_allocate_server_credentials(&anoncred);
+
+ gnutls_init(&session, GNUTLS_SERVER | GNUTLS_DATAGRAM);
+ gnutls_dtls_set_timeouts(session, get_dtls_retransmit_timeout(), get_timeout());
+ gnutls_transport_set_push_function(session, odd_push);
+ gnutls_heartbeat_enable(session, GNUTLS_HB_PEER_ALLOWED_TO_SEND);
+ gnutls_dtls_set_mtu(session, 1500);
+
+ /* avoid calling all the priority functions, since the defaults
+ * are adequate.
+ */
+ gnutls_priority_set_direct(session,
+ "NONE:+VERS-DTLS1.0:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-ECDH:+CURVE-ALL",
+ NULL);
+ gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
+
+ gnutls_transport_set_int(session, fd);
+
+ 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));
+ terminate();
+ }
+ 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)));
+
+ gnutls_record_recv(session, &c, 1);
+ do {
+ do {
+ ret = gnutls_record_send(session, &c, 1);
+ }
+ while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+
+ if (ret < 0) {
+ fail("send: %s\n", gnutls_strerror(ret));
+ terminate();
+ }
+ }
+ while (test_finished == 0);
+
+ gnutls_transport_set_push_function(session, n_push);
+ do {
+ ret = gnutls_bye(session, GNUTLS_SHUT_WR);
+ }
+ while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
+
+ close(fd);
+ gnutls_deinit(session);
+
+ gnutls_anon_free_server_credentials(anoncred);
+
+ gnutls_global_deinit();
+
+ if (debug)
+ success("server: finished\n");
+}
+
+static void start(void)
+{
+ int fd[2];
+ int ret;
+
+ 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) {
+ int status;
+ /* parent */
+ close(fd[1]);
+ server(fd[0]);
+ wait(&status);
+ check_wait_status(status);
+ } else {
+ close(fd[0]);
+ client(fd[1]);
+ exit(0);
+ }
+}
+
+void doit(void)
+{
+ start();
+}
+
+#endif /* _WIN32 */