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
|
/*
Copyright (c) 2000-2007 MySQL AB, 2009 Sun Microsystems, Inc.
Use is subject to license terms.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Vio Lite.
* Purpose: include file for Vio that will work with C and C++
*/
#ifndef vio_violite_h_
#define vio_violite_h_
#include "my_net.h" /* needed because of struct in_addr */
/* Simple vio interface in C; The functions are implemented in violite.c */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
enum enum_vio_type
{
VIO_CLOSED, VIO_TYPE_TCPIP, VIO_TYPE_SOCKET, VIO_TYPE_NAMEDPIPE,
VIO_TYPE_SSL, VIO_TYPE_SHARED_MEMORY
};
#define VIO_LOCALHOST 1 /* a localhost connection */
#define VIO_BUFFERED_READ 2 /* use buffered read */
#define VIO_READ_BUFFER_SIZE 16384 /* size of read buffer */
Vio* vio_new(my_socket sd, enum enum_vio_type type, uint flags);
#ifdef __WIN__
Vio* vio_new_win32pipe(HANDLE hPipe);
Vio* vio_new_win32shared_memory(HANDLE handle_file_map,
HANDLE handle_map,
HANDLE event_server_wrote,
HANDLE event_server_read,
HANDLE event_client_wrote,
HANDLE event_client_read,
HANDLE event_conn_closed);
size_t vio_read_pipe(Vio *vio, uchar * buf, size_t size);
size_t vio_write_pipe(Vio *vio, const uchar * buf, size_t size);
int vio_close_pipe(Vio * vio);
#else
#define HANDLE void *
#endif /* __WIN__ */
void vio_delete(Vio* vio);
int vio_close(Vio* vio);
void vio_reset(Vio* vio, enum enum_vio_type type,
my_socket sd, HANDLE hPipe, uint flags);
size_t vio_read(Vio *vio, uchar * buf, size_t size);
size_t vio_read_buff(Vio *vio, uchar * buf, size_t size);
size_t vio_write(Vio *vio, const uchar * buf, size_t size);
int vio_blocking(Vio *vio, my_bool onoff, my_bool *old_mode);
my_bool vio_is_blocking(Vio *vio);
/* setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible */
int vio_fastsend(Vio *vio);
/* setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible */
int vio_keepalive(Vio *vio, my_bool onoff);
/* Whenever we should retry the last read/write operation. */
my_bool vio_should_retry(Vio *vio);
/* Check that operation was timed out */
my_bool vio_was_interrupted(Vio *vio);
/* Short text description of the socket for those, who are curious.. */
const char* vio_description(Vio *vio);
/* Return the type of the connection */
enum enum_vio_type vio_type(Vio* vio);
/* Return last error number */
int vio_errno(Vio*vio);
/* Get socket number */
my_socket vio_fd(Vio*vio);
/* Remote peer's address and name in text form */
my_bool vio_peer_addr(Vio* vio, char *buf, uint16 *port);
/* Remotes in_addr */
void vio_in_addr(Vio *vio, struct in_addr *in);
my_bool vio_poll_read(Vio *vio,uint timeout);
ssize_t vio_pending(Vio *vio);
#ifdef HAVE_OPENSSL
#include <openssl/opensslv.h>
#if OPENSSL_VERSION_NUMBER < 0x0090700f
#define DES_cblock des_cblock
#define DES_key_schedule des_key_schedule
#define DES_set_key_unchecked(k,ks) des_set_key_unchecked((k),*(ks))
#define DES_ede3_cbc_encrypt(i,o,l,k1,k2,k3,iv,e) des_ede3_cbc_encrypt((i),(o),(l),*(k1),*(k2),*(k3),(iv),(e))
#endif
#define HEADER_DES_LOCL_H dummy_something
#define YASSL_MYSQL_COMPATIBLE
#ifndef YASSL_PREFIX
#define YASSL_PREFIX
#endif
/* Set yaSSL to use same type as MySQL do for socket handles */
typedef my_socket YASSL_SOCKET_T;
#define YASSL_SOCKET_T_DEFINED
#include <openssl/ssl.h>
#include <openssl/err.h>
enum enum_ssl_init_error
{
SSL_INITERR_NOERROR= 0, SSL_INITERR_CERT, SSL_INITERR_KEY,
SSL_INITERR_NOMATCH, SSL_INITERR_BAD_PATHS, SSL_INITERR_CIPHERS,
SSL_INITERR_MEMFAIL, SSL_INITERR_LASTERR
};
const char* sslGetErrString(enum enum_ssl_init_error err);
struct st_VioSSLFd
{
SSL_CTX *ssl_context;
};
int sslaccept(struct st_VioSSLFd*, Vio *, long timeout, char *error_string);
int sslconnect(struct st_VioSSLFd*, Vio *, long timeout, char *error_string);
struct st_VioSSLFd
*new_VioSSLConnectorFd(const char *key_file, const char *cert_file,
const char *ca_file, const char *ca_path,
const char *cipher);
struct st_VioSSLFd
*new_VioSSLAcceptorFd(const char *key_file, const char *cert_file,
const char *ca_file,const char *ca_path,
const char *cipher, enum enum_ssl_init_error* error);
void free_vio_ssl_acceptor_fd(struct st_VioSSLFd *fd);
#endif /* HAVE_OPENSSL */
#ifdef HAVE_SMEM
size_t vio_read_shared_memory(Vio *vio, uchar * buf, size_t size);
size_t vio_write_shared_memory(Vio *vio, const uchar * buf, size_t size);
int vio_close_shared_memory(Vio * vio);
#endif
void vio_end(void);
#ifdef __cplusplus
}
#endif
#if !defined(DONT_MAP_VIO)
#define vio_delete(vio) (vio)->viodelete(vio)
#define vio_errno(vio) (vio)->vioerrno(vio)
#define vio_read(vio, buf, size) ((vio)->read)(vio,buf,size)
#define vio_write(vio, buf, size) ((vio)->write)(vio, buf, size)
#define vio_blocking(vio, set_blocking_mode, old_mode)\
(vio)->vioblocking(vio, set_blocking_mode, old_mode)
#define vio_is_blocking(vio) (vio)->is_blocking(vio)
#define vio_fastsend(vio) (vio)->fastsend(vio)
#define vio_keepalive(vio, set_keep_alive) (vio)->viokeepalive(vio, set_keep_alive)
#define vio_should_retry(vio) (vio)->should_retry(vio)
#define vio_was_interrupted(vio) (vio)->was_interrupted(vio)
#define vio_close(vio) ((vio)->vioclose)(vio)
#define vio_peer_addr(vio, buf, prt) (vio)->peer_addr(vio, buf, prt)
#define vio_in_addr(vio, in) (vio)->in_addr(vio, in)
#define vio_timeout(vio, which, seconds) (vio)->timeout(vio, which, seconds)
#endif /* !defined(DONT_MAP_VIO) */
/* This enumerator is used in parser - should be always visible */
enum SSL_type
{
SSL_TYPE_NOT_SPECIFIED= -1,
SSL_TYPE_NONE,
SSL_TYPE_ANY,
SSL_TYPE_X509,
SSL_TYPE_SPECIFIED
};
/* HFTODO - hide this if we don't want client in embedded server */
/* This structure is for every connection on both sides */
struct st_vio
{
my_socket sd; /* my_socket - real or imaginary */
HANDLE hPipe;
my_bool localhost; /* Are we from localhost? */
int fcntl_mode; /* Buffered fcntl(sd,F_GETFL) */
struct sockaddr_in local; /* Local internet address */
struct sockaddr_in remote; /* Remote internet address */
enum enum_vio_type type; /* Type of connection */
char desc[30]; /* String description */
char *read_buffer; /* buffer for vio_read_buff */
char *read_pos; /* start of unfetched data in the
read buffer */
char *read_end; /* end of unfetched data */
/* function pointers. They are similar for socket/SSL/whatever */
void (*viodelete)(Vio*);
int (*vioerrno)(Vio*);
size_t (*read)(Vio*, uchar *, size_t);
size_t (*write)(Vio*, const uchar *, size_t);
int (*vioblocking)(Vio*, my_bool, my_bool *);
my_bool (*is_blocking)(Vio*);
int (*viokeepalive)(Vio*, my_bool);
int (*fastsend)(Vio*);
my_bool (*peer_addr)(Vio*, char *, uint16*);
void (*in_addr)(Vio*, struct in_addr*);
my_bool (*should_retry)(Vio*);
my_bool (*was_interrupted)(Vio*);
int (*vioclose)(Vio*);
void (*timeout)(Vio*, unsigned int which, unsigned int timeout);
#ifdef HAVE_OPENSSL
void *ssl_arg;
#endif
#ifdef HAVE_SMEM
HANDLE handle_file_map;
char *handle_map;
HANDLE event_server_wrote;
HANDLE event_server_read;
HANDLE event_client_wrote;
HANDLE event_client_read;
HANDLE event_conn_closed;
size_t shared_memory_remain;
char *shared_memory_pos;
#endif /* HAVE_SMEM */
#ifdef _WIN32
OVERLAPPED pipe_overlapped;
DWORD read_timeout_ms;
DWORD write_timeout_ms;
#endif
};
#endif /* vio_violite_h_ */
|
