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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 "tls/s2n_shutdown.c"
#include "s2n_test.h"
#include "testlib/s2n_testlib.h"
#include "tls/s2n_alerts.h"
#define ALERT_LEN (sizeof(uint16_t))
int main(int argc, char **argv)
{
BEGIN_TEST();
const uint8_t close_notify_alert[] = {
2 /* AlertLevel = fatal */,
0 /* AlertDescription = close_notify */
};
/* Test s2n_shutdown */
{
/* Await close_notify if close_notify_received is not set */
{
struct s2n_connection *conn;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_SERVER));
struct s2n_stuffer input;
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&input, 0));
struct s2n_stuffer output;
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&output, 0));
EXPECT_SUCCESS(s2n_connection_set_io_stuffers(&input, &output, conn));
/* Verify state prior to alert */
EXPECT_FALSE(conn->close_notify_received);
s2n_blocked_status blocked;
EXPECT_FAILURE_WITH_ERRNO(s2n_shutdown(conn, &blocked), S2N_ERR_IO_BLOCKED);
EXPECT_EQUAL(blocked, S2N_BLOCKED_ON_READ);
/* Verify state after shutdown attempt */
EXPECT_FALSE(conn->close_notify_received);
EXPECT_SUCCESS(s2n_connection_free(conn));
EXPECT_SUCCESS(s2n_stuffer_free(&input));
EXPECT_SUCCESS(s2n_stuffer_free(&output));
};
/* Do not await close_notify if close_notify_received is set */
{
struct s2n_connection *conn;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_SERVER));
struct s2n_stuffer input;
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&input, 0));
struct s2n_stuffer output;
EXPECT_SUCCESS(s2n_stuffer_growable_alloc(&output, 0));
EXPECT_SUCCESS(s2n_connection_set_io_stuffers(&input, &output, conn));
/* Verify state prior to alert */
EXPECT_FALSE(conn->close_notify_received);
/* Write and process the alert */
EXPECT_SUCCESS(s2n_stuffer_write_bytes(&conn->in, close_notify_alert, sizeof(close_notify_alert)));
EXPECT_SUCCESS(s2n_process_alert_fragment(conn));
/* Verify state after alert */
EXPECT_TRUE(conn->close_notify_received);
s2n_blocked_status blocked;
EXPECT_SUCCESS(s2n_shutdown(conn, &blocked));
EXPECT_EQUAL(blocked, S2N_NOT_BLOCKED);
/* Verify state after shutdown attempt */
EXPECT_TRUE(conn->close_notify_received);
EXPECT_SUCCESS(s2n_connection_free(conn));
EXPECT_SUCCESS(s2n_stuffer_free(&input));
EXPECT_SUCCESS(s2n_stuffer_free(&output));
};
};
END_TEST();
}
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