Adding upstream version 3.7.9.upstream/3.7.9upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 397 insertions, 0 deletions

diff --git a/tests/tls-session-ext-register.c b/tests/tls-session-ext-register.c
new file mode 100644
index 0000000..cac94cc
--- /dev/null
+++ b/tests/tls-session-ext-register.c
@@ -0,0 +1,397 @@
+/*
+ * Copyright (C) 2004-2016 Free Software Foundation, Inc.
+ *
+ * Author: Thierry Quemerais, 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/>
+ */
+
+/* This program tests whether an extension is exchanged when registered
+ * at the session level */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#if defined(_WIN32)
+
+/* socketpair isn't supported on Win32. */
+int main(int argc, char **argv)
+{
+	exit(77);
+}
+
+#else
+
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#if !defined(_WIN32)
+#include <sys/wait.h>
+#include <signal.h>
+#endif
+#include <unistd.h>
+#include <gnutls/gnutls.h>
+#include <assert.h>
+
+#include "utils.h"
+#include "cert-common.h"
+
+const char *side = "";
+
+static void tls_log_func(int level, const char *str)
+{
+	fprintf(stderr, "%s|<%d>| %s", side, level, str);
+}
+
+#define TLSEXT_TYPE_SAMPLE 0xF1
+#define TLSEXT_TYPE_IGN 0xF2
+
+static int TLSEXT_TYPE_client_sent		= 0;
+static int TLSEXT_TYPE_client_received		= 0;
+static int TLSEXT_TYPE_server_sent		= 0;
+static int TLSEXT_TYPE_server_received		= 0;
+static int ign_extension_called = 0;
+
+static void reset_vars(void)
+{
+	TLSEXT_TYPE_client_sent = 0;
+	TLSEXT_TYPE_client_received = 0;
+	TLSEXT_TYPE_server_sent = 0;
+	TLSEXT_TYPE_server_received = 0;
+	ign_extension_called = 0;
+}
+
+static const unsigned char ext_data[] =
+{	
+	0xFE,
+	0xED
+};
+
+#define myfail(fmt, ...) \
+	fail("%s: "fmt, name, ##__VA_ARGS__)
+
+static int ext_recv_client_params(gnutls_session_t session, const unsigned char *buf, size_t buflen)
+{
+	const char *name;
+	name = gnutls_session_get_ptr(session);
+
+	if (buflen != sizeof(ext_data))
+		myfail("ext_recv_client_params: Invalid input buffer length\n");
+
+	if (memcmp(buf, ext_data, sizeof(ext_data)) != 0)
+		myfail("ext_recv_client_params: Invalid input buffer data\n");
+
+	TLSEXT_TYPE_client_received = 1;
+
+	gnutls_ext_set_data(session, TLSEXT_TYPE_SAMPLE, session);
+
+	return 0; //Success
+}
+
+static int ext_send_client_params(gnutls_session_t session, gnutls_buffer_t extdata)
+{
+	TLSEXT_TYPE_client_sent = 1;
+	gnutls_buffer_append_data(extdata, ext_data, sizeof(ext_data));
+	return sizeof(ext_data);
+}
+
+static int ext_recv_client_ign_params(gnutls_session_t session, const unsigned char *buf, size_t buflen)
+{
+	return 0;
+}
+
+static int ext_send_client_ign_params(gnutls_session_t session, gnutls_buffer_t extdata)
+{
+	ign_extension_called = 1;
+	return 0;
+}
+
+static int ext_recv_server_params(gnutls_session_t session, const unsigned char *buf, size_t buflen)
+{
+	const char *name;
+
+	name = gnutls_session_get_ptr(session);
+
+	if (buflen != sizeof(ext_data))
+		myfail("ext_recv_server_params: Invalid input buffer length\n");
+
+	if (memcmp(buf, ext_data, sizeof(ext_data)) != 0)
+		myfail("ext_recv_server_params: Invalid input buffer data\n");
+
+	TLSEXT_TYPE_server_received = 1;
+
+	return 0; //Success
+}
+
+static int ext_send_server_params(gnutls_session_t session, gnutls_buffer_t extdata)
+{
+	TLSEXT_TYPE_server_sent = 1;
+	gnutls_buffer_append_data(extdata, ext_data, sizeof(ext_data));
+	return sizeof(ext_data);
+}
+
+static void client(int sd, const char *name, const char *prio, unsigned flags, unsigned expected_ok)
+{
+	int ret;
+	gnutls_session_t session;
+	gnutls_certificate_credentials_t clientx509cred;
+	const char *ext_name;
+	void *p;
+
+	side = "client";
+
+	assert(gnutls_certificate_allocate_credentials(&clientx509cred) >= 0);
+
+	/* Initialize TLS session
+	 */
+	assert(gnutls_init(&session, GNUTLS_CLIENT) >= 0);
+	gnutls_session_set_ptr(session, (void*)name);
+
+	/* Use default priorities */
+	assert(gnutls_priority_set_direct(session, prio,
+				   NULL)>=0);
+
+	/* put the anonymous credentials to the current session
+	 */
+	gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
+				clientx509cred);
+
+	gnutls_transport_set_int(session, sd);
+	gnutls_handshake_set_timeout(session, get_timeout());
+
+	ret = gnutls_session_ext_register(session, "ext_ign", TLSEXT_TYPE_IGN, GNUTLS_EXT_TLS, ext_recv_client_ign_params, ext_send_client_ign_params, NULL, NULL, NULL, flags);
+	if (ret < 0)
+		myfail("client: register extension\n");
+
+	ext_name = gnutls_ext_get_name2(session, TLSEXT_TYPE_IGN, GNUTLS_EXT_ANY);
+	if (ext_name == NULL || strcmp(ext_name, "ext_ign"))
+		myfail("client: retrieve name of extension %u\n", TLSEXT_TYPE_IGN);
+
+	ext_name = gnutls_ext_get_name2(session, TLSEXT_TYPE_IGN, GNUTLS_EXT_APPLICATION);
+	if (ext_name)
+		myfail("client: retrieve name of extension %u (expected none)\n", TLSEXT_TYPE_IGN);
+		
+	ret = gnutls_session_ext_register(session, "ext_client", TLSEXT_TYPE_SAMPLE, GNUTLS_EXT_TLS, ext_recv_client_params, ext_send_client_params, NULL, NULL, NULL, flags);
+	if (ret < 0)
+		myfail("client: register extension\n");
+
+	/* Perform the TLS handshake
+	 */
+	ret = gnutls_handshake(session);
+
+	if (ret < 0) {
+		if (!expected_ok) {
+			if (debug)
+				success("client: handshake failed as expected: %s\n", gnutls_strerror(ret));
+		} else {
+			myfail("client: Handshake failed: %s\n", gnutls_strerror(ret));
+		}
+		goto end;
+	} else {
+		if (debug)
+			success("client: Handshake was completed\n");
+	}
+
+	if (TLSEXT_TYPE_client_sent != 1 || TLSEXT_TYPE_client_received != 1) {
+		if (expected_ok) {
+			myfail("client: extension not properly sent/received\n");
+		} else {
+			goto end;
+		}
+	}
+
+	ret = gnutls_ext_get_data(session, TLSEXT_TYPE_SAMPLE, &p);
+	if (ret < 0) {
+		myfail("gnutls_ext_get_data: %s\n", gnutls_strerror(ret));
+	}
+
+	if (p != session) {
+		myfail("client: gnutls_ext_get_data failed\n");
+	}
+
+	if (ign_extension_called == 0) {
+		myfail("registered ign extension was not called\n");
+	}
+
+	gnutls_bye(session, GNUTLS_SHUT_RDWR);
+
+	if (!expected_ok)
+		myfail("client: expected failure but succeeded!\n");
+
+end:
+	close(sd);
+
+	gnutls_deinit(session);
+
+	gnutls_certificate_free_credentials(clientx509cred);
+}
+
+static void server(int sd, const char *name, const char *prio, unsigned flags, unsigned expected_ok)
+{
+	gnutls_certificate_credentials_t serverx509cred;
+	int ret;
+	gnutls_session_t session;
+
+	side = "server";
+
+	assert(gnutls_certificate_allocate_credentials(&serverx509cred)>=0);
+	assert(gnutls_certificate_set_x509_key_mem(serverx509cred,
+					    &server_cert, &server_key,
+					    GNUTLS_X509_FMT_PEM) >= 0);
+
+	assert(gnutls_init(&session, GNUTLS_SERVER) >= 0);
+	gnutls_session_set_ptr(session, (void*)name);
+
+	/* avoid calling all the priority functions, since the defaults
+	 * are adequate.
+	 */
+	assert(gnutls_priority_set_direct(session, prio,
+				   NULL) >= 0);
+
+	gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
+				serverx509cred);
+
+	assert(gnutls_session_ext_register(session, "ext_server", TLSEXT_TYPE_SAMPLE, GNUTLS_EXT_TLS, ext_recv_server_params, ext_send_server_params, NULL, NULL, NULL, flags) >= 0);
+
+	gnutls_transport_set_int(session, sd);
+	gnutls_handshake_set_timeout(session, get_timeout());
+
+	ret = gnutls_handshake(session);
+	if (ret < 0) {
+		if (!expected_ok) {
+			if (debug)
+				success("server: handshake failed as expected: %s\n", gnutls_strerror(ret));
+			goto cleanup;
+		} else {
+			close(sd);
+			gnutls_deinit(session);
+			myfail("server: Handshake has failed (%s)\n",
+			     gnutls_strerror(ret));
+		}
+		return;
+	}
+	if (debug)
+		success("server: Handshake was completed\n");
+
+
+	if (TLSEXT_TYPE_server_sent != 1 || TLSEXT_TYPE_server_received != 1) {
+		if (expected_ok)
+			myfail("server: extension not properly sent/received\n");
+		else
+			goto cleanup;
+	}
+
+	/* do not wait for the peer to close the connection.
+	 */
+	gnutls_bye(session, GNUTLS_SHUT_WR);
+
+	if (!expected_ok)
+		myfail("server: expected failure but succeeded!\n");
+
+ cleanup:
+	close(sd);
+	gnutls_deinit(session);
+
+	gnutls_certificate_free_credentials(serverx509cred);
+
+	if (debug)
+		success("server: finished\n");
+}
+
+#define try_common(name, prio, flags, sok, cok) \
+	try(name, prio, flags, flags, sok, cok)
+
+static void try(const char *name, const char *prio, unsigned server_flags,
+		unsigned client_flags, unsigned server_ok, unsigned client_ok)
+{
+	pid_t child;
+	int sockets[2];
+	int err;
+
+	success("Testing: %s: ", name);
+	reset_vars();
+
+	err = socketpair(AF_UNIX, SOCK_STREAM, 0, sockets);
+	if (err == -1) {
+		perror("socketpair");
+		myfail("socketpair failed\n");
+		return;
+	}
+
+	child = fork();
+	if (child < 0) {
+		perror("fork");
+		myfail("fork");
+		return;
+	}
+
+	if (child) {
+		int status;
+		/* parent */
+		close(sockets[1]);
+		server(sockets[0], name, prio, server_flags, server_ok);
+		wait(&status);
+		check_wait_status(status);
+		success("ok");
+	} else {
+		close(sockets[0]);
+		client(sockets[1], name, prio, client_flags, client_ok);
+		_exit(0);
+	}
+
+	success("\n");
+}
+
+void doit(void)
+{
+	unsigned i;
+	int ret;
+
+	signal(SIGPIPE, SIG_IGN);
+
+	global_init();
+	gnutls_global_set_log_function(tls_log_func);
+	if (debug)
+		gnutls_global_set_log_level(5);
+
+	try_common("TLS1.2 both ways (default)", "NORMAL:+ANON-ECDH:-VERS-TLS-ALL:+VERS-TLS1.2", 0, 1, 1);
+	try_common("TLS1.2 both ways", "NORMAL:+ANON-ECDH:-VERS-TLS-ALL:+VERS-TLS1.2", GNUTLS_EXT_FLAG_CLIENT_HELLO|GNUTLS_EXT_FLAG_TLS12_SERVER_HELLO, 1, 1);
+
+	try_common("TLS1.2 client only", "NORMAL:+ANON-ECDH:-VERS-TLS-ALL:+VERS-TLS1.2", GNUTLS_EXT_FLAG_CLIENT_HELLO, 0, 0);
+	try_common("TLS1.2 client and TLS 1.3 server", "NORMAL:+ANON-ECDH:-VERS-TLS-ALL:+VERS-TLS1.2", GNUTLS_EXT_FLAG_CLIENT_HELLO|GNUTLS_EXT_FLAG_TLS13_SERVER_HELLO, 0, 0);
+	try_common("TLS1.2 server only", "NORMAL:+ANON-ECDH:-VERS-TLS-ALL:+VERS-TLS1.2", GNUTLS_EXT_FLAG_TLS12_SERVER_HELLO, 0, 0);
+
+	try("TLS1.2 client rejects", "NORMAL:+ANON-ECDH:-VERS-TLS-ALL:+VERS-TLS1.2", GNUTLS_EXT_FLAG_CLIENT_HELLO|GNUTLS_EXT_FLAG_TLS12_SERVER_HELLO, GNUTLS_EXT_FLAG_CLIENT_HELLO, 0, 0);
+	try("TLS1.2 never on client hello", "NORMAL:+ANON-ECDH:-VERS-TLS-ALL:+VERS-TLS1.2", GNUTLS_EXT_FLAG_TLS12_SERVER_HELLO, GNUTLS_EXT_FLAG_CLIENT_HELLO, 0, 0);
+
+	/* check whether we can crash the library by adding many extensions */
+	success("Testing: register many global extensions\n");
+	for (i=0;i<64;i++) {
+		ret = gnutls_ext_register("ext_serverxx", TLSEXT_TYPE_SAMPLE+i+1, GNUTLS_EXT_TLS, ext_recv_server_params, ext_send_server_params, NULL, NULL, NULL);
+		if (ret < 0) {
+			success("failed registering extension no %d (expected)\n", i+1);
+			break;
+		}
+	}
+
+	gnutls_global_deinit();
+}
+
+#endif				/* _WIN32 */