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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
|
// -*- C++ -*-
#include "SSL_Asynch_BIO.h"
#if OPENSSL_VERSION_NUMBER > 0x0090581fL && (defined (ACE_WIN32) || (defined (ACE_HAS_AIO_CALLS)))
#include "SSL_Asynch_Stream.h"
#include "ace/OS_NS_string.h"
#include "ace/Truncate.h"
#if (defined (ACE_HAS_VERSIONED_NAMESPACE) && ACE_HAS_VERSIONED_NAMESPACE == 1)
# define ACE_ASYNCH_BIO_WRITE_NAME ACE_PREPROC_CONCATENATE(ACE_VERSIONED_NAMESPACE_NAME, _ACE_Asynch_BIO_write)
# define ACE_ASYNCH_BIO_READ_NAME ACE_PREPROC_CONCATENATE(ACE_VERSIONED_NAMESPACE_NAME, _ACE_Asynch_BIO_read)
# define ACE_ASYNCH_BIO_PUTS_NAME ACE_PREPROC_CONCATENATE(ACE_VERSIONED_NAMESPACE_NAME, _ACE_Asynch_BIO_puts)
# define ACE_ASYNCH_BIO_CTRL_NAME ACE_PREPROC_CONCATENATE(ACE_VERSIONED_NAMESPACE_NAME, _ACE_Asynch_BIO_ctrl)
# define ACE_ASYNCH_BIO_NEW_NAME ACE_PREPROC_CONCATENATE(ACE_VERSIONED_NAMESPACE_NAME, _ACE_Asynch_BIO_new)
# define ACE_ASYNCH_BIO_FREE_NAME ACE_PREPROC_CONCATENATE(ACE_VERSIONED_NAMESPACE_NAME, _ACE_Asynch_BIO_free)
#else
# define ACE_ASYNCH_BIO_WRITE_NAME ACE_Asynch_BIO_write
# define ACE_ASYNCH_BIO_READ_NAME ACE_Asynch_BIO_read
# define ACE_ASYNCH_BIO_PUTS_NAME ACE_Asynch_BIO_puts
# define ACE_ASYNCH_BIO_CTRL_NAME ACE_Asynch_BIO_ctrl
# define ACE_ASYNCH_BIO_NEW_NAME ACE_Asynch_BIO_new
# define ACE_ASYNCH_BIO_FREE_NAME ACE_Asynch_BIO_free
#endif /* ACE_HAS_VERSIONED_NAMESPACE == 1 */
/**
* @name OpenSSL BIO Helper Methods for use with ACE's Asynchronous
* SSL I/O support.
*/
//@{
extern "C"
{
int ACE_ASYNCH_BIO_WRITE_NAME (BIO *pBIO, const char *buf, int len);
int ACE_ASYNCH_BIO_READ_NAME (BIO *pBIO, char *buf, int len);
int ACE_ASYNCH_BIO_PUTS_NAME (BIO *pBIO, const char *str);
long ACE_ASYNCH_BIO_CTRL_NAME (BIO *pBIO, int cmd, long arg1, void *arg2);
int ACE_ASYNCH_BIO_NEW_NAME (BIO *pBIO);
int ACE_ASYNCH_BIO_FREE_NAME (BIO *pBIO);
}
//@}
#define BIO_TYPE_ACE ( 21 | BIO_TYPE_SOURCE_SINK )
#if OPENSSL_VERSION_NUMBER < 0x10100000L || (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x30500000L)
static BIO_METHOD methods_ACE =
{
BIO_TYPE_ACE, // BIO_TYPE_PROXY_SERVER,
"ACE_Asynch_BIO",
ACE_ASYNCH_BIO_WRITE_NAME,
ACE_ASYNCH_BIO_READ_NAME,
ACE_ASYNCH_BIO_PUTS_NAME,
0, /* ACE_ASYNCH_BIO_GETS_NAME, */
ACE_ASYNCH_BIO_CTRL_NAME,
ACE_ASYNCH_BIO_NEW_NAME,
ACE_ASYNCH_BIO_FREE_NAME,
0
};
# define BIO_set_init(b, val) b->init = val
# define BIO_set_data(b, val) b->ptr = val
# define BIO_set_num(b, val) b->num = val
# if !defined (BIO_set_flags)
# define BIO_set_flags(b, val) b->flags = val
# endif /* !BIO_set_flags */
# define BIO_set_shutdown(b, val) b->shutdown = val
# define BIO_get_init(b) b->init
# define BIO_get_data(b) b->ptr
# define BIO_get_shutdown(b) b->shutdown
#else
static BIO_METHOD* methods_ACE;
# define BIO_set_num(b, val)
#endif /* OPENSSL_VERSION_NUMBER < 0x10100000L || (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x30500000L) */
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
BIO *
ACE_SSL_make_BIO (void * ssl_asynch_stream)
{
#if OPENSSL_VERSION_NUMBER < 0x10100000L || (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x30500000L)
BIO * const pBIO = BIO_new (&methods_ACE);
#else
if (!methods_ACE)
{
methods_ACE = BIO_meth_new(BIO_TYPE_ACE, "ACE_Asynch_BIO");
if (methods_ACE)
{
BIO_meth_set_write(methods_ACE, ACE_ASYNCH_BIO_WRITE_NAME);
BIO_meth_set_read(methods_ACE, ACE_ASYNCH_BIO_READ_NAME);
BIO_meth_set_puts(methods_ACE, ACE_ASYNCH_BIO_PUTS_NAME);
BIO_meth_set_ctrl(methods_ACE, ACE_ASYNCH_BIO_CTRL_NAME);
BIO_meth_set_create(methods_ACE, ACE_ASYNCH_BIO_NEW_NAME);
BIO_meth_set_destroy(methods_ACE, ACE_ASYNCH_BIO_FREE_NAME);
}
}
BIO * const pBIO = BIO_new (methods_ACE);
#endif
if (pBIO)
BIO_ctrl (pBIO,
BIO_C_SET_FILE_PTR,
0,
ssl_asynch_stream);
return pBIO;
}
/**
* @struct @c ACE_SSL_Asynch_Stream_Accessor
*
* @brief Privileged @c ACE_SSL_Asynch_Stream accessor.
*
* This structure is a @c friend to the @c ACE_SSL_Asynch_Stream
* class so that it can gain access to the protected
* ssl_bio_{read,write}() methods in that class. It is full declared
* in this implementation file to hide its interface from users to
* prevent potential abuse of the friend relationship between it and
* the @c ACE_SSL_Asynch_Stream class.
*/
struct ACE_SSL_Asynch_Stream_Accessor
{
static int read (ACE_SSL_Asynch_Stream * stream,
char * buf,
size_t len,
int & errval)
{
return stream->ssl_bio_read (buf, len, errval);
}
static int write (ACE_SSL_Asynch_Stream * stream,
const char * buf,
size_t len,
int & errval)
{
return stream->ssl_bio_write (buf, len, errval);
}
};
ACE_END_VERSIONED_NAMESPACE_DECL
int
ACE_ASYNCH_BIO_NEW_NAME (BIO * pBIO)
{
BIO_set_init(pBIO, 0); // not initialized
BIO_set_num(pBIO, 0); // still zero ( we can use it )
BIO_set_data(pBIO, 0); // will be pointer to ACE_SSL_Asynch_Stream
BIO_set_flags(pBIO, 0);
return 1;
}
int
ACE_ASYNCH_BIO_FREE_NAME (BIO * pBIO)
{
if (pBIO && BIO_get_shutdown(pBIO))
{
BIO_set_data(pBIO, 0);
BIO_set_init(pBIO, 0);
BIO_set_num(pBIO, 0);
BIO_set_flags(pBIO, 0);
return 1;
}
return 0;
}
int
ACE_ASYNCH_BIO_READ_NAME (BIO * pBIO, char * buf, int len)
{
BIO_clear_retry_flags (pBIO);
ACE_SSL_Asynch_Stream * const p_stream =
static_cast<ACE_SSL_Asynch_Stream *> (BIO_get_data(pBIO));
if (BIO_get_init(pBIO) == 0 || p_stream == 0 || buf == 0 || len <= 0)
return -1;
BIO_clear_retry_flags (pBIO);
int errval = 0;
int retval =
ACE_SSL_Asynch_Stream_Accessor::read (p_stream,
buf,
len,
errval);
if (retval >= 0)
return retval;
if (errval == EINPROGRESS)
BIO_set_retry_read (pBIO);
return -1;
}
int
ACE_ASYNCH_BIO_WRITE_NAME (BIO * pBIO, const char * buf, int len)
{
BIO_clear_retry_flags (pBIO);
ACE_SSL_Asynch_Stream * p_stream =
static_cast<ACE_SSL_Asynch_Stream *> (BIO_get_data(pBIO));
if (BIO_get_init(pBIO) == 0 || p_stream == 0 || buf == 0 || len <= 0)
return -1;
BIO_clear_retry_flags (pBIO);
int errval = 0;
int retval =
ACE_SSL_Asynch_Stream_Accessor::write (p_stream,
buf,
len,
errval);
if (retval >= 0)
return retval;
if (errval == EINPROGRESS)
BIO_set_retry_write (pBIO);
return -1;
}
long
ACE_ASYNCH_BIO_CTRL_NAME (BIO * pBIO, int cmd, long num, void *ptr)
{
long ret = 1;
switch (cmd)
{
case BIO_C_SET_FILE_PTR:
BIO_set_shutdown(pBIO, static_cast<int> (num));
BIO_set_data(pBIO, ptr);
BIO_set_init(pBIO, 1);
break;
case BIO_CTRL_INFO:
ret = 0;
break;
case BIO_CTRL_GET_CLOSE:
ret = BIO_get_shutdown(pBIO);
break;
case BIO_CTRL_SET_CLOSE:
BIO_set_shutdown(pBIO, static_cast<int> (num));
break;
case BIO_CTRL_PENDING:
case BIO_CTRL_WPENDING:
ret = 0;
break;
case BIO_CTRL_DUP:
case BIO_CTRL_FLUSH:
ret = 1;
break;
default:
ret = 0;
break;
}
return ret;
}
int
ACE_ASYNCH_BIO_PUTS_NAME (BIO *pBIO, const char *str)
{
size_t const n = ACE_OS::strlen (str);
return ACE_ASYNCH_BIO_WRITE_NAME (pBIO,
str,
ACE_Utils::truncate_cast<int> (n));
}
#endif /* OPENSSL_VERSION_NUMBER > 0x0090581fL && (ACE_WIN32 || ACE_HAS_AIO_CALLS) */
|
