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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/*
* Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* https://www.openssl.org/source/license.html
* or in the file LICENSE in the source distribution.
*/
#include <string.h>
#include <openssl/ssl.h>
#include <openssl/bio.h>
#include <openssl/err.h>
#include "internal/packet.h"
#include "helpers/ssltestlib.h"
#include "testutil.h"
struct async_ctrs {
unsigned int rctr;
unsigned int wctr;
};
static SSL_CTX *serverctx = NULL;
static SSL_CTX *clientctx = NULL;
#define MAX_ATTEMPTS 100
/*
* There are 9 passes in the tests
* 0 = control test
* tests during writes
* 1 = free buffers
* 2 = + allocate buffers after free
* 3 = + allocate buffers again
* 4 = + free buffers after allocation
* tests during reads
* 5 = + free buffers
* 6 = + free buffers again
* 7 = + allocate buffers after free
* 8 = + free buffers after allocation
*/
static int test_func(int test)
{
int result = 0;
SSL *serverssl = NULL, *clientssl = NULL;
int ret;
size_t i, j;
const char testdata[] = "Test data";
char buf[sizeof(testdata)];
if (!TEST_true(create_ssl_objects(serverctx, clientctx, &serverssl, &clientssl,
NULL, NULL))) {
TEST_error("Test %d failed: Create SSL objects failed\n", test);
goto end;
}
if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))) {
TEST_error("Test %d failed: Create SSL connection failed\n", test);
goto end;
}
/*
* Send and receive some test data. Do the whole thing twice to ensure
* we hit at least one async event in both reading and writing
*/
for (j = 0; j < 2; j++) {
int len;
/*
* Write some test data. It should never take more than 2 attempts
* (the first one might be a retryable fail).
*/
for (ret = -1, i = 0, len = 0; len != sizeof(testdata) && i < 2;
i++) {
/* test == 0 mean to free/allocate = control */
if (test >= 1 && !TEST_true(SSL_free_buffers(clientssl)))
goto end;
if (test >= 2 && !TEST_true(SSL_alloc_buffers(clientssl)))
goto end;
/* allocate a second time */
if (test >= 3 && !TEST_true(SSL_alloc_buffers(clientssl)))
goto end;
if (test >= 4 && !TEST_true(SSL_free_buffers(clientssl)))
goto end;
ret = SSL_write(clientssl, testdata + len,
sizeof(testdata) - len);
if (ret > 0) {
len += ret;
} else {
int ssl_error = SSL_get_error(clientssl, ret);
if (ssl_error == SSL_ERROR_SYSCALL ||
ssl_error == SSL_ERROR_SSL) {
TEST_error("Test %d failed: Failed to write app data\n", test);
goto end;
}
}
}
if (!TEST_size_t_eq(len, sizeof(testdata)))
goto end;
/*
* Now read the test data. It may take more attempts here because
* it could fail once for each byte read, including all overhead
* bytes from the record header/padding etc.
*/
for (ret = -1, i = 0, len = 0; len != sizeof(testdata) &&
i < MAX_ATTEMPTS; i++)
{
if (test >= 5 && !TEST_true(SSL_free_buffers(serverssl)))
goto end;
/* free a second time */
if (test >= 6 && !TEST_true(SSL_free_buffers(serverssl)))
goto end;
if (test >= 7 && !TEST_true(SSL_alloc_buffers(serverssl)))
goto end;
if (test >= 8 && !TEST_true(SSL_free_buffers(serverssl)))
goto end;
ret = SSL_read(serverssl, buf + len, sizeof(buf) - len);
if (ret > 0) {
len += ret;
} else {
int ssl_error = SSL_get_error(serverssl, ret);
if (ssl_error == SSL_ERROR_SYSCALL ||
ssl_error == SSL_ERROR_SSL) {
TEST_error("Test %d failed: Failed to read app data\n", test);
goto end;
}
}
}
if (!TEST_mem_eq(buf, len, testdata, sizeof(testdata)))
goto end;
}
result = 1;
end:
if (!result)
ERR_print_errors_fp(stderr);
SSL_free(clientssl);
SSL_free(serverssl);
return result;
}
OPT_TEST_DECLARE_USAGE("certfile privkeyfile\n")
int setup_tests(void)
{
char *cert, *pkey;
if (!test_skip_common_options()) {
TEST_error("Error parsing test options\n");
return 0;
}
if (!TEST_ptr(cert = test_get_argument(0))
|| !TEST_ptr(pkey = test_get_argument(1)))
return 0;
if (!create_ssl_ctx_pair(NULL, TLS_server_method(), TLS_client_method(),
TLS1_VERSION, 0,
&serverctx, &clientctx, cert, pkey)) {
TEST_error("Failed to create SSL_CTX pair\n");
return 0;
}
ADD_ALL_TESTS(test_func, 9);
return 1;
}
void cleanup_tests(void)
{
SSL_CTX_free(clientctx);
SSL_CTX_free(serverctx);
}
|
