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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 <errno.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include "api/s2n.h"
#include "crypto/s2n_fips.h"
#include "crypto/s2n_rsa_pss.h"
#include "s2n_test.h"
#include "testlib/s2n_testlib.h"
#include "tls/s2n_cipher_preferences.h"
#include "tls/s2n_cipher_suites.h"
#include "tls/s2n_connection.h"
#include "tls/s2n_handshake.h"
#include "tls/s2n_handshake_io.c"
#include "tls/s2n_tls13.h"
#include "utils/s2n_safety.h"
/* A full record that has an "APPLICATION_DATA" inside according to s2n's
* handshake message_types.
*/
uint8_t record[] = {
/* Record type HANDSHAKE */
0x16,
/* Protocol version TLS 1.2 */
0x03, 0x03,
/* record len */
0x00, 0x05,
/* Type(s2n has this as expected message type for APPLICATION_DATA handler.
* This is not a standardized value, just something s2n has hardcoded as a placeholder
* For the APPLICATON_DATA state in the state machine.
*/
0x00,
/* Len */
0x00, 0x00, 0x01,
/* Data */
0x00
};
static int amt_written = 0;
int s2n_app_data_in_handshake_record_recv_fn(void *io_context, uint8_t *buf, uint32_t len)
{
int amt_left = sizeof(record) - amt_written;
int to_write = MIN(len, amt_left);
POSIX_CHECKED_MEMCPY(buf, record + amt_written, to_write);
amt_written += to_write;
return to_write;
}
int main(int argc, char **argv)
{
BEGIN_TEST();
EXPECT_SUCCESS(s2n_disable_tls13_in_test());
struct s2n_connection *conn = NULL;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_SERVER));
/* Initialize *some* handshake type. Not terribly relevant for this test. */
conn->handshake.handshake_type = NEGOTIATED | FULL_HANDSHAKE | TLS12_PERFECT_FORWARD_SECRECY;
/* Fast forward the handshake state machine to the end of this "handshake_type".
* APPLICATION_DATA is the 11th state for "NEGOTIATED | FULL_HANDSHAKE | TLS12_PERFECT_FORWARD_SECRECY".
*/
conn->handshake.message_number = 10;
conn->actual_protocol_version = S2N_TLS12;
/* Provide the crafted record to s2n's I/O */
s2n_connection_set_recv_cb(conn, s2n_app_data_in_handshake_record_recv_fn);
EXPECT_FAILURE_WITH_ERRNO(s2n_handshake_read_io(conn), S2N_ERR_BAD_MESSAGE);
s2n_connection_free(conn);
END_TEST();
return 0;
}
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