1 files changed, 305 insertions, 0 deletions
diff --git a/tests/tls-supplemental.c b/tests/tls-supplemental.c
new file mode 100644
index 0000000..2dfbd0c
--- /dev/null
+++ b/tests/tls-supplemental.c
@@ -0,0 +1,305 @@
+/*
+ * Copyright (C) 2004-2012 Free Software Foundation, Inc.
+ *
+ * Author: Thierry Quemerais
+ *
+ * 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/>
+ */
+
+/* Parts copied from GnuTLS example programs. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.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>
+#endif
+#include <unistd.h>
+#include <gnutls/gnutls.h>
+
+#include "utils.h"
+#include "cert-common.h"
+
+/* A very basic TLS client, with supplemental data
+ */
+
+extern void _gnutls_supplemental_deinit(void);
+
+const char *side = "";
+
+static void tls_log_func(int level, const char *str)
+{
+	fprintf(stderr, "%s|<%d>| %s", side, level, str);
+}
+
+#define TLS_SUPPLEMENTALDATATYPE_SAMPLE	0xBABE
+
+static int TLS_SUPPLEMENTALDATA_client_sent     = 0;
+static int TLS_SUPPLEMENTALDATA_client_received	= 0;
+static int TLS_SUPPLEMENTALDATA_server_sent	= 0;
+static int TLS_SUPPLEMENTALDATA_server_received	= 0;
+
+static const unsigned char supp_data[] =
+{	
+	0xFE,
+	0xED
+};
+
+static
+int supp_client_recv_func(gnutls_session_t session, const unsigned char *buf, size_t buflen)
+{
+	TLS_SUPPLEMENTALDATA_client_received = 1;
+
+	if (buflen != sizeof(supp_data))
+		fail("supp_client_recv_func: Invalid input buffer len\n");
+
+	if (memcmp(buf, supp_data, sizeof(supp_data)) != 0)
+		fail("supp_client_recv_func: Invalid input buffer data\n");
+
+	return GNUTLS_E_SUCCESS;
+}
+
+static
+int supp_client_send_func(gnutls_session_t session, gnutls_buffer_t buf)
+{
+	TLS_SUPPLEMENTALDATA_client_sent = 1;
+	gnutls_buffer_append_data(buf, supp_data, sizeof(supp_data));
+	return GNUTLS_E_SUCCESS;
+}
+
+static
+int supp_server_recv_func(gnutls_session_t session, const unsigned char *buf, size_t buflen)
+{
+	TLS_SUPPLEMENTALDATA_server_received = 1;
+
+	if (buflen != sizeof(supp_data))
+		fail("supp_server_recv_func: Invalid input buffer len\n");
+
+	if (memcmp(buf, supp_data, sizeof(supp_data)) != 0)
+		fail("supp_server_recv_func: Invalid input buffer data\n");
+
+	return GNUTLS_E_SUCCESS;
+}
+
+static
+int supp_server_send_func(gnutls_session_t session, gnutls_buffer_t buf)
+{
+	TLS_SUPPLEMENTALDATA_server_sent = 1;
+	gnutls_buffer_append_data(buf, supp_data, sizeof(supp_data));
+	return GNUTLS_E_SUCCESS;
+}
+
+static void client(int sd, const char *prio, unsigned server_only)
+{
+	int ret;
+	gnutls_session_t session;
+	gnutls_certificate_credentials_t clientx509cred;
+
+	if (!server_only) {
+		assert(gnutls_supplemental_register("supplemental_client", TLS_SUPPLEMENTALDATATYPE_SAMPLE, supp_client_recv_func, supp_client_send_func)>=0);
+	}
+
+	side = "client";
+
+	gnutls_certificate_allocate_credentials(&clientx509cred);
+
+	assert(gnutls_init(&session, GNUTLS_CLIENT)>=0);
+
+	/* Use default priorities */
+	gnutls_priority_set_direct(session, prio, NULL);
+
+	gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
+				clientx509cred);
+
+	gnutls_transport_set_int(session, sd);
+
+	if (!server_only) {
+		gnutls_supplemental_recv(session, 1);
+		gnutls_supplemental_send(session, 1);
+	}
+
+	/* Perform the TLS handshake
+	 */
+	ret = gnutls_handshake(session);
+
+	if (ret < 0) {
+		fail("client: Handshake failed\n");
+		gnutls_perror(ret);
+		goto end;
+	} else {
+		if (debug)
+			success("client: Handshake was completed\n");
+	}
+
+	if (!server_only) {
+		if (TLS_SUPPLEMENTALDATA_client_sent != 1 || TLS_SUPPLEMENTALDATA_client_received != 1)
+			fail("client: extension not properly sent/received (%d.%d)\n",
+			     TLS_SUPPLEMENTALDATA_client_sent, TLS_SUPPLEMENTALDATA_client_received);
+	} else {
+		/* we expect TLS1.2 handshake as TLS1.3 is not (yet) defined
+		 * with supplemental data */
+		assert(gnutls_protocol_get_version(session) == GNUTLS_TLS1_2);
+	}
+
+	gnutls_bye(session, GNUTLS_SHUT_RDWR);
+
+end:
+	close(sd);
+
+	gnutls_deinit(session);
+
+	gnutls_certificate_free_credentials(clientx509cred);
+}
+
+static void server(int sd, const char *prio, unsigned server_only)
+{
+	gnutls_certificate_credentials_t serverx509cred;
+	int ret;
+	gnutls_session_t session;
+	static unsigned registered = 0;
+
+	side = "server";
+
+	if (!registered) {
+		assert(gnutls_supplemental_register("supplemental_server", TLS_SUPPLEMENTALDATATYPE_SAMPLE, supp_server_recv_func, supp_server_send_func)>=0);
+		registered = 0;
+	}
+
+	gnutls_certificate_allocate_credentials(&serverx509cred);
+	gnutls_certificate_set_x509_key_mem(serverx509cred,
+					    &server_cert, &server_key,
+					    GNUTLS_X509_FMT_PEM);
+
+	gnutls_init(&session, GNUTLS_SERVER);
+
+	assert(gnutls_priority_set_direct(session, prio, NULL) >= 0);
+
+	gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
+				serverx509cred);
+
+	if (!server_only) {
+		gnutls_supplemental_recv(session, 1);
+		gnutls_supplemental_send(session, 1);
+	}
+
+	gnutls_transport_set_int(session, sd);
+	ret = gnutls_handshake(session);
+	if (ret < 0) {
+		close(sd);
+		gnutls_deinit(session);
+		fail("server: Handshake has failed (%s)\n\n",
+		     gnutls_strerror(ret));
+		return;
+	}
+	if (debug)
+		success("server: Handshake was completed\n");
+
+	if (!server_only) {
+		if (TLS_SUPPLEMENTALDATA_server_sent != 1 || TLS_SUPPLEMENTALDATA_server_received != 1)
+			fail("server: extension not properly sent/received\n");
+	}
+
+	/* do not wait for the peer to close the connection.
+	 */
+	gnutls_bye(session, GNUTLS_SHUT_WR);
+
+	close(sd);
+	gnutls_deinit(session);
+
+	gnutls_certificate_free_credentials(serverx509cred);
+
+	if (debug)
+		success("server: finished\n");
+
+	_gnutls_supplemental_deinit();
+}
+
+static
+void start(const char *prio, unsigned server_only)
+{
+	pid_t child;
+	int sockets[2], err;
+
+	TLS_SUPPLEMENTALDATA_client_sent = 0;
+	TLS_SUPPLEMENTALDATA_client_received = 0;
+	TLS_SUPPLEMENTALDATA_server_sent = 0;
+	TLS_SUPPLEMENTALDATA_server_received = 0;
+
+	success("running with %s\n", prio);
+
+	err = socketpair(AF_UNIX, SOCK_STREAM, 0, sockets);
+	if (err == -1) {
+		perror("socketpair");
+		fail("socketpair failed\n");
+		return;
+	}
+
+	child = fork();
+	if (child < 0) {
+		perror("fork");
+		fail("fork");
+		return;
+	}
+
+	if (child) {
+		int status;
+		/* parent */
+		close(sockets[1]);
+		server(sockets[0], prio, server_only);
+		wait(&status);
+		check_wait_status(status);
+	} else {
+		close(sockets[0]);
+		client(sockets[1], prio, server_only);
+		exit(0);
+	}
+}
+
+void doit(void)
+{
+	signal(SIGPIPE, SIG_IGN);
+
+	gnutls_global_set_log_function(tls_log_func);
+	if (debug)
+		gnutls_global_set_log_level(6);
+
+
+	start("NORMAL:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2", 0);
+	start("NORMAL:-VERS-ALL:+VERS-TLS1.2", 0);
+	start("NORMAL", 0);
+	start("NORMAL:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2", 1);
+	start("NORMAL", 1);
+}
+
+#endif				/* _WIN32 */