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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*
* 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"
#include "tls/s2n_tls.h"
static S2N_RESULT s2n_test_handshake_finish_header(uint32_t handshake_message_length)
{
DEFER_CLEANUP(struct s2n_stuffer stuffer = { 0 }, s2n_stuffer_free);
RESULT_GUARD_POSIX(s2n_stuffer_growable_alloc(&stuffer, 0));
uint32_t stuffer_size = TLS_HANDSHAKE_HEADER_LENGTH + handshake_message_length;
RESULT_GUARD_POSIX(s2n_stuffer_skip_write(&stuffer, stuffer_size));
RESULT_GUARD_POSIX(s2n_handshake_finish_header(&stuffer));
return S2N_RESULT_OK;
}
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);
};
/* Test: s2n_handshake_finish_header */
{
/* When handshake message size is larger than uint16_max */
EXPECT_OK(s2n_test_handshake_finish_header(UINT16_MAX + 1));
/* When handshake message size is larger than uint24_max */
EXPECT_ERROR_WITH_ERRNO(s2n_test_handshake_finish_header(1 << 24), S2N_ERR_INTEGER_OVERFLOW);
}
END_TEST();
}
|
