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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_cert_status_request.h"
#include "tls/s2n_resume.h"
int main(int argc, char **argv)
{
BEGIN_TEST();
EXPECT_SUCCESS(s2n_disable_tls13_in_test());
/* status request should not be sent by default */
{
DEFER_CLEANUP(struct s2n_config *config = s2n_config_new(), s2n_config_ptr_free);
EXPECT_NOT_NULL(config);
DEFER_CLEANUP(struct s2n_connection *conn = s2n_connection_new(S2N_CLIENT), s2n_connection_ptr_free);
EXPECT_NOT_NULL(conn);
EXPECT_SUCCESS(s2n_connection_set_config(conn, config));
EXPECT_FALSE(s2n_client_cert_status_request_extension.should_send(conn));
}
/* status request should be sent if OCSP stapling is requested */
{
DEFER_CLEANUP(struct s2n_config *config = s2n_config_new(), s2n_config_ptr_free);
EXPECT_NOT_NULL(config);
config->ocsp_status_requested_by_user = true;
DEFER_CLEANUP(struct s2n_connection *conn = s2n_connection_new(S2N_CLIENT), s2n_connection_ptr_free);
EXPECT_NOT_NULL(conn);
EXPECT_SUCCESS(s2n_connection_set_config(conn, config));
EXPECT_TRUE(s2n_client_cert_status_request_extension.should_send(conn));
}
DEFER_CLEANUP(struct s2n_config *config = s2n_config_new(), s2n_config_ptr_free);
EXPECT_NOT_NULL(config);
/* Enable status requests */
config->ocsp_status_requested_by_user = true;
/* Test send */
{
struct s2n_connection *conn;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_config(conn, config));
struct s2n_stuffer stuffer = { 0 };
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&stuffer, 0));
EXPECT_SUCCESS(s2n_client_cert_status_request_extension.send(conn, &stuffer));
uint8_t request_type;
EXPECT_SUCCESS(s2n_stuffer_read_uint8(&stuffer, &request_type));
EXPECT_EQUAL(request_type, S2N_STATUS_REQUEST_OCSP);
uint32_t unused_values;
EXPECT_SUCCESS(s2n_stuffer_read_uint32(&stuffer, &unused_values));
EXPECT_EQUAL(unused_values, 0);
EXPECT_EQUAL(s2n_stuffer_data_available(&stuffer), 0);
EXPECT_SUCCESS(s2n_stuffer_free(&stuffer));
EXPECT_SUCCESS(s2n_connection_free(conn));
};
/* Test recv */
{
struct s2n_connection *conn;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_config(conn, config));
struct s2n_stuffer stuffer = { 0 };
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&stuffer, 0));
EXPECT_SUCCESS(s2n_client_cert_status_request_extension.send(conn, &stuffer));
EXPECT_EQUAL(conn->status_type, S2N_STATUS_REQUEST_NONE);
EXPECT_SUCCESS(s2n_client_cert_status_request_extension.recv(conn, &stuffer));
EXPECT_EQUAL(conn->status_type, S2N_STATUS_REQUEST_OCSP);
EXPECT_SUCCESS(s2n_stuffer_free(&stuffer));
EXPECT_SUCCESS(s2n_connection_free(conn));
};
/* Test recv - malformed length, ignore */
{
struct s2n_connection *conn;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_SUCCESS(s2n_connection_set_config(conn, config));
struct s2n_stuffer stuffer = { 0 };
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&stuffer, 0));
EXPECT_SUCCESS(s2n_client_cert_status_request_extension.send(conn, &stuffer));
EXPECT_SUCCESS(s2n_stuffer_wipe_n(&stuffer, sizeof(uint16_t)));
EXPECT_EQUAL(conn->status_type, S2N_STATUS_REQUEST_NONE);
EXPECT_SUCCESS(s2n_client_cert_status_request_extension.recv(conn, &stuffer));
EXPECT_EQUAL(conn->status_type, S2N_STATUS_REQUEST_NONE);
EXPECT_SUCCESS(s2n_stuffer_free(&stuffer));
EXPECT_SUCCESS(s2n_connection_free(conn));
};
/* Test recv - not ocsp request, ignore */
{
DEFER_CLEANUP(struct s2n_connection *conn = s2n_connection_new(S2N_CLIENT), s2n_connection_ptr_free);
EXPECT_NOT_NULL(conn);
DEFER_CLEANUP(struct s2n_stuffer stuffer = { 0 }, s2n_stuffer_free);
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&stuffer, 0));
EXPECT_SUCCESS(s2n_client_cert_status_request_extension.send(conn, &stuffer));
/* Set the status_type extension field to an unknown value */
int length = s2n_stuffer_data_available(&stuffer);
EXPECT_SUCCESS(s2n_stuffer_rewrite(&stuffer));
EXPECT_SUCCESS(s2n_stuffer_write_uint8(&stuffer, UINT8_MAX));
EXPECT_SUCCESS(s2n_stuffer_skip_write(&stuffer, length - 1));
/* Ensure the extension isn't ignored due to malformed length */
EXPECT_TRUE(s2n_stuffer_data_available(&stuffer) >= 5);
EXPECT_EQUAL(conn->status_type, S2N_STATUS_REQUEST_NONE);
EXPECT_SUCCESS(s2n_client_cert_status_request_extension.recv(conn, &stuffer));
EXPECT_EQUAL(conn->status_type, S2N_STATUS_REQUEST_NONE);
};
END_TEST();
return 0;
}
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