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/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#include "s2n_test.h"
#include "tls/extensions/s2n_client_alpn.h"
int main(int argc, char **argv)
{
BEGIN_TEST();
EXPECT_SUCCESS(s2n_disable_tls13_in_test());
const char *protocols[] = { "protocol1", "protocol2", "protocol3" };
const uint8_t protocols_count = s2n_array_len(protocols);
/* Test should_send */
{
struct s2n_connection *conn;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_protocol_preferences(conn, NULL, 0));
EXPECT_FALSE(s2n_client_alpn_extension.should_send(conn));
EXPECT_SUCCESS(s2n_connection_set_protocol_preferences(conn, protocols, protocols_count));
EXPECT_TRUE(s2n_client_alpn_extension.should_send(conn));
EXPECT_SUCCESS(s2n_connection_free(conn));
};
/* Test send */
{
struct s2n_connection *conn;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_protocol_preferences(conn, protocols, protocols_count));
struct s2n_stuffer stuffer = { 0 };
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&stuffer, 0));
EXPECT_SUCCESS(s2n_client_alpn_extension.send(conn, &stuffer));
/* Should have correct size */
uint16_t actual_size;
EXPECT_SUCCESS(s2n_stuffer_read_uint16(&stuffer, &actual_size));
EXPECT_EQUAL(actual_size, s2n_stuffer_data_available(&stuffer));
EXPECT_EQUAL(actual_size, conn->application_protocols_overridden.size);
/* Should have correct data */
uint8_t actual_data[256];
EXPECT_SUCCESS(s2n_stuffer_read_bytes(&stuffer, actual_data, actual_size));
EXPECT_BYTEARRAY_EQUAL(actual_data, conn->application_protocols_overridden.data, actual_size);
EXPECT_SUCCESS(s2n_stuffer_free(&stuffer));
EXPECT_SUCCESS(s2n_connection_free(conn));
};
/* Test receive can accept the output of send */
{
struct s2n_connection *conn;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_protocol_preferences(conn, protocols, protocols_count));
struct s2n_stuffer stuffer = { 0 };
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&stuffer, 0));
EXPECT_SUCCESS(s2n_client_alpn_extension.send(conn, &stuffer));
EXPECT_NULL(s2n_get_application_protocol(conn));
EXPECT_SUCCESS(s2n_client_alpn_extension.recv(conn, &stuffer));
EXPECT_NOT_NULL(s2n_get_application_protocol(conn));
EXPECT_STRING_EQUAL(s2n_get_application_protocol(conn), protocols[0]);
EXPECT_SUCCESS(s2n_connection_free(conn));
EXPECT_SUCCESS(s2n_stuffer_free(&stuffer));
};
/* Test receive does nothing if no protocol preferences configured */
{
struct s2n_connection *conn;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
struct s2n_stuffer stuffer = { 0 };
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&stuffer, 0));
EXPECT_SUCCESS(s2n_client_alpn_extension.send(conn, &stuffer));
EXPECT_NULL(s2n_get_application_protocol(conn));
EXPECT_SUCCESS(s2n_client_alpn_extension.recv(conn, &stuffer));
EXPECT_NULL(s2n_get_application_protocol(conn));
EXPECT_SUCCESS(s2n_connection_free(conn));
EXPECT_SUCCESS(s2n_stuffer_free(&stuffer));
};
/* Test receive does nothing if extension malformed */
{
struct s2n_connection *conn;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
struct s2n_stuffer stuffer = { 0 };
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&stuffer, 0));
EXPECT_SUCCESS(s2n_client_alpn_extension.send(conn, &stuffer));
EXPECT_SUCCESS(s2n_stuffer_wipe_n(&stuffer, 1));
EXPECT_NULL(s2n_get_application_protocol(conn));
EXPECT_SUCCESS(s2n_client_alpn_extension.recv(conn, &stuffer));
EXPECT_NULL(s2n_get_application_protocol(conn));
EXPECT_SUCCESS(s2n_connection_free(conn));
EXPECT_SUCCESS(s2n_stuffer_free(&stuffer));
};
END_TEST();
return 0;
}
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