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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 "tests/testlib/s2n_testlib.h"
#include "tls/extensions/s2n_quic_transport_params.h"
#include "tls/s2n_connection.h"
#include "tls/s2n_quic_support.h"
#include "tls/s2n_tls13.h"
static const uint8_t TEST_DATA[] = "These are transport parameters";
int main(int argc, char **argv)
{
BEGIN_TEST();
if (!s2n_is_tls13_fully_supported()) {
END_TEST();
}
/* Test should_send */
{
struct s2n_config *config = NULL;
EXPECT_NOT_NULL(config = s2n_config_new());
struct s2n_connection *conn = NULL;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_config(conn, config));
/* Safety check */
EXPECT_FALSE(s2n_quic_transport_parameters_extension.should_send(NULL));
/* Don't send if quic not enabled (default) */
EXPECT_FALSE(s2n_quic_transport_parameters_extension.should_send(conn));
/* Send if quic enabled */
EXPECT_SUCCESS(s2n_config_enable_quic(config));
EXPECT_TRUE(s2n_quic_transport_parameters_extension.should_send(conn));
EXPECT_SUCCESS(s2n_connection_free(conn));
EXPECT_SUCCESS(s2n_config_free(config));
};
/* Test if_missing */
{
struct s2n_config *config = NULL;
EXPECT_NOT_NULL(config = s2n_config_new());
struct s2n_connection *conn = NULL;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_config(conn, config));
/* Safety check */
EXPECT_FAILURE_WITH_ERRNO(s2n_quic_transport_parameters_extension.if_missing(NULL), S2N_ERR_NULL);
/* Succeeds if quic not enabled (default) */
EXPECT_SUCCESS(s2n_quic_transport_parameters_extension.if_missing(conn));
/* Fails if quic enabled
*
*= https://www.rfc-editor.org/rfc/rfc9001#8.2
*= type=test
*# Endpoints MUST send the quic_transport_parameters extension; endpoints that receive
*# ClientHello or EncryptedExtensions messages without the quic_transport_parameters
*# extension MUST close the connection with an error of type 0x016d (equivalent to a fatal
*# TLS missing_extension alert
**/
EXPECT_SUCCESS(s2n_config_enable_quic(config));
EXPECT_FAILURE_WITH_ALERT(s2n_quic_transport_parameters_extension.if_missing(conn),
S2N_ERR_MISSING_EXTENSION, S2N_TLS_ALERT_MISSING_EXTENSION);
EXPECT_SUCCESS(s2n_connection_free(conn));
EXPECT_SUCCESS(s2n_config_free(config));
};
/* Test send */
{
/* Safety checks */
{
struct s2n_stuffer out = { 0 };
struct s2n_connection *conn = NULL;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_FAILURE_WITH_ERRNO(s2n_quic_transport_parameters_extension.send(NULL, &out), S2N_ERR_NULL);
EXPECT_FAILURE_WITH_ERRNO(s2n_quic_transport_parameters_extension.send(conn, NULL), S2N_ERR_NULL);
EXPECT_SUCCESS(s2n_connection_free(conn));
};
/* Writes transport parameters */
{
struct s2n_stuffer out = { 0 };
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&out, 0));
struct s2n_config *config = NULL;
EXPECT_NOT_NULL(config = s2n_config_new());
EXPECT_SUCCESS(s2n_config_enable_quic(config));
struct s2n_connection *conn = NULL;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_config(conn, config));
EXPECT_SUCCESS(s2n_connection_set_quic_transport_parameters(conn, TEST_DATA, sizeof(TEST_DATA)));
EXPECT_SUCCESS(s2n_quic_transport_parameters_extension.send(conn, &out));
EXPECT_BYTEARRAY_EQUAL(out.blob.data, TEST_DATA, sizeof(TEST_DATA));
EXPECT_SUCCESS(s2n_connection_free(conn));
EXPECT_SUCCESS(s2n_config_free(config));
EXPECT_SUCCESS(s2n_stuffer_free(&out));
};
/* Writes empty transport parameters */
{
struct s2n_stuffer out = { 0 };
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&out, 0));
struct s2n_config *config = NULL;
EXPECT_NOT_NULL(config = s2n_config_new());
EXPECT_SUCCESS(s2n_config_enable_quic(config));
struct s2n_connection *conn = NULL;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_config(conn, config));
EXPECT_SUCCESS(s2n_quic_transport_parameters_extension.send(conn, &out));
EXPECT_EQUAL(s2n_stuffer_data_available(&out), 0);
EXPECT_SUCCESS(s2n_connection_free(conn));
EXPECT_SUCCESS(s2n_config_free(config));
EXPECT_SUCCESS(s2n_stuffer_free(&out));
};
};
/* Test recv */
{
/* Safety checks */
{
struct s2n_stuffer extension = { 0 };
struct s2n_connection *conn = NULL;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_FAILURE_WITH_ERRNO(s2n_quic_transport_parameters_extension.recv(NULL, &extension), S2N_ERR_NULL);
EXPECT_FAILURE_WITH_ERRNO(s2n_quic_transport_parameters_extension.recv(conn, NULL), S2N_ERR_NULL);
EXPECT_FAILURE_WITH_ERRNO(s2n_quic_transport_parameters_extension.recv(conn, &extension),
S2N_ERR_UNSUPPORTED_EXTENSION);
EXPECT_SUCCESS(s2n_connection_free(conn));
};
/* Save transport parameters */
{
struct s2n_config *config = NULL;
EXPECT_NOT_NULL(config = s2n_config_new());
EXPECT_SUCCESS(s2n_config_enable_quic(config));
struct s2n_connection *conn = NULL;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_config(conn, config));
struct s2n_stuffer extension = { 0 };
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&extension, 0));
EXPECT_SUCCESS(s2n_stuffer_write_bytes(&extension, TEST_DATA, sizeof(TEST_DATA)));
EXPECT_SUCCESS(s2n_quic_transport_parameters_extension.recv(conn, &extension));
EXPECT_BYTEARRAY_EQUAL(conn->peer_quic_transport_parameters.data, TEST_DATA, sizeof(TEST_DATA));
EXPECT_SUCCESS(s2n_connection_free(conn));
EXPECT_SUCCESS(s2n_config_free(config));
EXPECT_SUCCESS(s2n_stuffer_free(&extension));
};
/* Save empty transport parameters */
{
struct s2n_config *config = NULL;
EXPECT_NOT_NULL(config = s2n_config_new());
EXPECT_SUCCESS(s2n_config_enable_quic(config));
struct s2n_connection *conn = NULL;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_config(conn, config));
struct s2n_stuffer extension = { 0 };
EXPECT_SUCCESS(s2n_quic_transport_parameters_extension.recv(conn, &extension));
EXPECT_EQUAL(conn->peer_quic_transport_parameters.size, 0);
EXPECT_SUCCESS(s2n_connection_free(conn));
EXPECT_SUCCESS(s2n_config_free(config));
};
/* recv processes the output of send */
{
struct s2n_stuffer out = { 0 };
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&out, 0));
struct s2n_config *config = NULL;
EXPECT_NOT_NULL(config = s2n_config_new());
EXPECT_SUCCESS(s2n_config_enable_quic(config));
struct s2n_connection *server_conn = NULL;
EXPECT_NOT_NULL(server_conn = s2n_connection_new(S2N_SERVER));
EXPECT_SUCCESS(s2n_connection_set_config(server_conn, config));
struct s2n_connection *client_conn = NULL;
EXPECT_NOT_NULL(client_conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_config(client_conn, config));
EXPECT_SUCCESS(s2n_connection_set_quic_transport_parameters(client_conn, TEST_DATA, sizeof(TEST_DATA)));
EXPECT_SUCCESS(s2n_quic_transport_parameters_extension.send(client_conn, &out));
EXPECT_EQUAL(server_conn->peer_quic_transport_parameters.size, 0);
EXPECT_SUCCESS(s2n_quic_transport_parameters_extension.recv(server_conn, &out));
EXPECT_BYTEARRAY_EQUAL(server_conn->peer_quic_transport_parameters.data, TEST_DATA, sizeof(TEST_DATA));
EXPECT_SUCCESS(s2n_connection_free(client_conn));
EXPECT_SUCCESS(s2n_connection_free(server_conn));
EXPECT_SUCCESS(s2n_config_free(config));
EXPECT_SUCCESS(s2n_stuffer_free(&out));
};
};
END_TEST();
}
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