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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*
* 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 "testlib/s2n_testlib.h"
#include "utils/s2n_random.h"
#define S2N_TEST_DATA_SIZE 100
S2N_RESULT s2n_test_send_receive_data(struct s2n_connection *sender, struct s2n_connection *receiver)
{
uint8_t test_data[S2N_TEST_DATA_SIZE] = { 0 };
struct s2n_blob test_data_blob = { 0 };
EXPECT_SUCCESS(s2n_blob_init(&test_data_blob, test_data, sizeof(test_data)));
EXPECT_OK(s2n_get_public_random_data(&test_data_blob));
/* Send data */
s2n_blocked_status blocked = S2N_NOT_BLOCKED;
ssize_t bytes_written = 0;
while (bytes_written < S2N_TEST_DATA_SIZE) {
ssize_t w = s2n_send(sender, test_data + bytes_written, S2N_TEST_DATA_SIZE - bytes_written, &blocked);
EXPECT_TRUE(w >= 0);
bytes_written += w;
}
/* Receive data */
uint8_t buffer[S2N_TEST_DATA_SIZE] = { 0 };
ssize_t bytes_received = 0;
while (bytes_received < S2N_TEST_DATA_SIZE) {
ssize_t r = s2n_recv(receiver, buffer + bytes_received, S2N_TEST_DATA_SIZE - bytes_received, &blocked);
EXPECT_TRUE(r > 0);
bytes_received += r;
}
EXPECT_BYTEARRAY_EQUAL(test_data, buffer, S2N_TEST_DATA_SIZE);
return S2N_RESULT_OK;
}
int main(int argc, char **argv)
{
BEGIN_TEST();
if (!s2n_hmac_is_available(S2N_HMAC_SSLv3_MD5)) {
/* AWS-LC should support SSLv3. */
EXPECT_FALSE(s2n_libcrypto_is_awslc());
/* Other libcryptos may not support SSLv3, so the tests are skipped. */
END_TEST();
}
DEFER_CLEANUP(struct s2n_cert_chain_and_key *rsa_chain_and_key = NULL, s2n_cert_chain_and_key_ptr_free);
EXPECT_SUCCESS(s2n_test_cert_chain_and_key_new(&rsa_chain_and_key,
S2N_DEFAULT_TEST_CERT_CHAIN, S2N_DEFAULT_TEST_PRIVATE_KEY));
DEFER_CLEANUP(struct s2n_cert_chain_and_key *ecdsa_chain_and_key = NULL, s2n_cert_chain_and_key_ptr_free);
EXPECT_SUCCESS(s2n_test_cert_chain_and_key_new(&ecdsa_chain_and_key,
S2N_DEFAULT_ECDSA_TEST_CERT_CHAIN, S2N_DEFAULT_ECDSA_TEST_PRIVATE_KEY));
char dhparams_pem[S2N_MAX_TEST_PEM_SIZE] = { 0 };
EXPECT_SUCCESS(s2n_read_test_pem(S2N_DEFAULT_TEST_DHPARAMS, dhparams_pem, S2N_MAX_TEST_PEM_SIZE));
/* Self-talk test */
{
size_t supported_record_alg_count = 0;
for (size_t i = 0; i < security_policy_test_all.cipher_preferences->count; i++) {
struct s2n_cipher_suite *cipher_suite = security_policy_test_all.cipher_preferences->suites[i];
/* Skip non-sslv3 cipher suites. */
if (!cipher_suite->sslv3_record_alg) {
continue;
}
/* Skip unsupported record algorithms. */
if (!cipher_suite->sslv3_record_alg->cipher->is_available()) {
continue;
}
supported_record_alg_count += 1;
struct s2n_cipher_preferences test_cipher_preferences = {
.count = 1,
.suites = &cipher_suite,
};
struct s2n_security_policy test_policy = security_policy_test_all;
test_policy.cipher_preferences = &test_cipher_preferences;
DEFER_CLEANUP(struct s2n_config *client_config = s2n_config_new(), s2n_config_ptr_free);
EXPECT_SUCCESS(s2n_config_set_verification_ca_location(client_config, S2N_DEFAULT_TEST_CERT_CHAIN, NULL));
EXPECT_SUCCESS(s2n_config_disable_x509_verification(client_config));
client_config->security_policy = &test_policy;
DEFER_CLEANUP(struct s2n_config *server_config = s2n_config_new(), s2n_config_ptr_free);
EXPECT_SUCCESS(s2n_config_add_cert_chain_and_key_to_store(server_config, rsa_chain_and_key));
EXPECT_SUCCESS(s2n_config_add_cert_chain_and_key_to_store(server_config, ecdsa_chain_and_key));
EXPECT_SUCCESS(s2n_config_add_dhparams(server_config, dhparams_pem));
server_config->security_policy = &test_policy;
DEFER_CLEANUP(struct s2n_connection *client = s2n_connection_new(S2N_CLIENT),
s2n_connection_ptr_free);
EXPECT_NOT_NULL(client);
EXPECT_SUCCESS(s2n_connection_set_config(client, client_config));
client->client_protocol_version = S2N_SSLv3;
DEFER_CLEANUP(struct s2n_connection *server = s2n_connection_new(S2N_SERVER),
s2n_connection_ptr_free);
EXPECT_NOT_NULL(server);
EXPECT_SUCCESS(s2n_connection_set_config(server, server_config));
DEFER_CLEANUP(struct s2n_test_io_pair io_pair = { 0 }, s2n_io_pair_close);
EXPECT_SUCCESS(s2n_io_pair_init_non_blocking(&io_pair));
EXPECT_SUCCESS(s2n_connections_set_io_pair(client, server, &io_pair));
EXPECT_SUCCESS(s2n_negotiate_test_server_and_client(server, client));
EXPECT_EQUAL(s2n_connection_get_client_protocol_version(server), S2N_SSLv3);
EXPECT_EQUAL(s2n_connection_get_actual_protocol_version(server), S2N_SSLv3);
EXPECT_OK(s2n_test_send_receive_data(client, server));
EXPECT_OK(s2n_test_send_receive_data(server, client));
}
/* Ensure that a supported record algorithm was found, and SSLv3 was tested at least once. */
EXPECT_TRUE(supported_record_alg_count > 0);
}
END_TEST();
}
|
