1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/*
* 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/extensions/s2n_supported_versions.h"
#include <stdint.h>
#include <sys/param.h>
#include "tls/s2n_security_policies.h"
#include "utils/s2n_safety.h"
S2N_RESULT s2n_connection_get_minimum_supported_version(struct s2n_connection *conn, uint8_t *min_version)
{
RESULT_ENSURE_REF(min_version);
const struct s2n_security_policy *security_policy = NULL;
RESULT_GUARD_POSIX(s2n_connection_get_security_policy(conn, &security_policy));
RESULT_ENSURE_REF(security_policy);
*min_version = security_policy->minimum_protocol_version;
/* QUIC requires >= TLS1.3 */
if (s2n_connection_is_quic_enabled(conn)) {
*min_version = MAX(*min_version, S2N_TLS13);
}
return S2N_RESULT_OK;
}
|
