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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 "api/s2n.h"
#include "s2n_test.h"
#include "testlib/s2n_testlib.h"
#include "utils/s2n_result.h"
bool s2n_custom_send_fn_called = false;
static int s2n_expect_concurrent_error_send_fn(void *io_context, const uint8_t *buf, uint32_t len)
{
struct s2n_connection *conn = (struct s2n_connection *) io_context;
s2n_custom_send_fn_called = true;
s2n_blocked_status blocked = S2N_NOT_BLOCKED;
ssize_t result = s2n_negotiate(conn, &blocked);
EXPECT_FAILURE_WITH_ERRNO(result, S2N_ERR_REENTRANCY);
return result;
}
int main(int argc, char **argv)
{
BEGIN_TEST();
/* s2n_negotiate can't be called recursively */
{
/* Setup connections */
struct s2n_connection *conn;
EXPECT_NOT_NULL(conn = s2n_connection_new(S2N_CLIENT));
EXPECT_OK(s2n_connection_set_secrets(conn));
/* Setup bad callback */
EXPECT_SUCCESS(s2n_connection_set_send_cb(conn, s2n_expect_concurrent_error_send_fn));
EXPECT_SUCCESS(s2n_connection_set_send_ctx(conn, (void *) conn));
/* Negotiate. When we attempt to send the ClientHello, the send callback
* should fail due to a reentrancy error.
*/
s2n_custom_send_fn_called = false;
s2n_blocked_status blocked = S2N_NOT_BLOCKED;
EXPECT_FAILURE_WITH_ERRNO(s2n_negotiate(conn, &blocked), S2N_ERR_IO);
EXPECT_TRUE(s2n_custom_send_fn_called);
/* Cleanup */
EXPECT_SUCCESS(s2n_connection_free(conn));
};
END_TEST();
}
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