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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/s2n_handshake.h"
int main(int argc, char **argv)
{
BEGIN_TEST();
/* Test s2n_handshake_set_finished_len */
{
DEFER_CLEANUP(struct s2n_connection *conn = s2n_connection_new(S2N_SERVER), s2n_connection_ptr_free);
EXPECT_NOT_NULL(conn);
const uint8_t max_len = sizeof(conn->handshake.client_finished);
/* Safety */
EXPECT_ERROR_WITH_ERRNO(s2n_handshake_set_finished_len(NULL, 0), S2N_ERR_NULL);
/* Length must be less than available memory */
EXPECT_ERROR_WITH_ERRNO(s2n_handshake_set_finished_len(conn, UINT8_MAX), S2N_ERR_SAFETY);
EXPECT_ERROR_WITH_ERRNO(s2n_handshake_set_finished_len(conn, max_len + 1), S2N_ERR_SAFETY);
/* Length must be greater than zero */
EXPECT_ERROR_WITH_ERRNO(s2n_handshake_set_finished_len(conn, 0), S2N_ERR_SAFETY);
/* Length can change from zero to a valid length */
EXPECT_EQUAL(conn->handshake.finished_len, 0);
EXPECT_OK(s2n_handshake_set_finished_len(conn, max_len));
EXPECT_EQUAL(conn->handshake.finished_len, max_len);
/* Length can't change if already set.
* This method will be called when calculating both the client and server finished / verify_data.
* Both client and server should have the same length, or something has gone wrong in our implementation.
*/
EXPECT_ERROR_WITH_ERRNO(s2n_handshake_set_finished_len(conn, max_len - 1), S2N_ERR_SAFETY);
};
END_TEST();
}
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