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
|
/************************************************************************************
Copyright (C) 2000, 2011 MySQL AB & MySQL Finland AB & TCX DataKonsult AB,
Monty Program AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not see <http://www.gnu.org/licenses>
or write to the Free Software Foundation, Inc.,
51 Franklin St., Fifth Floor, Boston, MA 02110, USA
Part of this code includes code from the PHP project which
is freely available from http://www.php.net
*************************************************************************************/
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2011 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Georg Richter <georg@mysql.com> |
| Andrey Hristov <andrey@mysql.com> |
| Ulf Wendel <uwendel@mysql.com> |
+----------------------------------------------------------------------+
*/
#include "ma_global.h"
#include <ma_sys.h>
#include <ma_string.h>
#include "errmsg.h"
#include "mysql.h"
#include <mariadb/ma_io.h>
#include <string.h>
#ifdef _WIN32
#include <share.h>
#endif
typedef struct st_mysql_infile_info
{
MA_FILE *fp;
int error_no;
char error_msg[MYSQL_ERRMSG_SIZE + 1];
const char *filename;
} MYSQL_INFILE_INFO;
/* {{{ mysql_local_infile_init */
static
int mysql_local_infile_init(void **ptr, const char *filename, void *userdata)
{
MYSQL_INFILE_INFO *info;
MYSQL *mysql= (MYSQL *)userdata;
info = (MYSQL_INFILE_INFO *)malloc(sizeof(MYSQL_INFILE_INFO));
if (!info) {
return(1);
}
memset(info, 0, sizeof(MYSQL_INFILE_INFO));
*ptr = info;
info->filename = filename;
info->fp= ma_open(filename, "rb", mysql);
if (!info->fp)
{
/* error handling is done via mysql_local_infile_error function, so we
need to copy error to info */
if (mysql_errno(mysql) && !info->error_no)
{
info->error_no= mysql_errno(mysql);
ma_strmake(info->error_msg, mysql_error(mysql), MYSQL_ERRMSG_SIZE);
}
else
{
info->error_no = errno;
snprintf((char *)info->error_msg, sizeof(info->error_msg),
CER(CR_FILE_NOT_FOUND), filename, info->error_no);
}
return(1);
}
return(0);
}
/* }}} */
/* {{{ mysql_local_infile_read */
static
int mysql_local_infile_read(void *ptr, char * buf, unsigned int buf_len)
{
MYSQL_INFILE_INFO *info = (MYSQL_INFILE_INFO *)ptr;
size_t count;
count= ma_read((void *)buf, 1, (size_t)buf_len, info->fp);
if (count == (size_t)-1)
{
info->error_no = errno;
snprintf((char *)info->error_msg, sizeof(info->error_msg),
CER(CR_FILE_READ), info->filename, info->error_no);
}
return((int)count);
}
/* }}} */
/* {{{ mysql_local_infile_error */
static
int mysql_local_infile_error(void *ptr, char *error_buf, unsigned int error_buf_len)
{
MYSQL_INFILE_INFO *info = (MYSQL_INFILE_INFO *)ptr;
if (info) {
ma_strmake(error_buf, info->error_msg, error_buf_len);
return(info->error_no);
}
ma_strmake(error_buf, "Unknown error", error_buf_len);
return(CR_UNKNOWN_ERROR);
}
/* }}} */
/* {{{ mysql_local_infile_end */
static
void mysql_local_infile_end(void *ptr)
{
MYSQL_INFILE_INFO *info = (MYSQL_INFILE_INFO *)ptr;
if (info)
{
if (info->fp)
ma_close(info->fp);
free(ptr);
}
return;
}
/* }}} */
/* {{{ mysql_local_infile_default */
void mysql_set_local_infile_default(MYSQL *conn)
{
conn->options.local_infile_init = mysql_local_infile_init;
conn->options.local_infile_read = mysql_local_infile_read;
conn->options.local_infile_error = mysql_local_infile_error;
conn->options.local_infile_end = mysql_local_infile_end;
return;
}
/* }}} */
/* {{{ mysql_set_local_infile_handler */
void STDCALL mysql_set_local_infile_handler(MYSQL *conn,
int (*local_infile_init)(void **, const char *, void *),
int (*local_infile_read)(void *, char *, uint),
void (*local_infile_end)(void *),
int (*local_infile_error)(void *, char *, uint),
void *userdata)
{
conn->options.local_infile_init= local_infile_init;
conn->options.local_infile_read= local_infile_read;
conn->options.local_infile_end= local_infile_end;
conn->options.local_infile_error= local_infile_error;
conn->options.local_infile_userdata = userdata;
return;
}
/* }}} */
/* {{{ mysql_handle_local_infile */
my_bool mysql_handle_local_infile(MYSQL *conn, const char *filename)
{
unsigned int buflen= 4096;
int bufread;
unsigned char *buf= NULL;
void *info= NULL;
my_bool result= 1;
/* check if all callback functions exist */
if (!conn->options.local_infile_init || !conn->options.local_infile_end ||
!conn->options.local_infile_read || !conn->options.local_infile_error)
{
conn->options.local_infile_userdata= conn;
mysql_set_local_infile_default(conn);
}
if (!(conn->options.client_flag & CLIENT_LOCAL_FILES)) {
my_set_error(conn, CR_UNKNOWN_ERROR, SQLSTATE_UNKNOWN, "Load data local infile forbidden");
/* write empty packet to server */
ma_net_write(&conn->net, (unsigned char *)"", 0);
ma_net_flush(&conn->net);
goto infile_error;
}
/* allocate buffer for reading data */
buf = (uchar *)malloc(buflen);
/* init handler: allocate read buffer and open file */
if (conn->options.local_infile_init(&info, filename,
conn->options.local_infile_userdata))
{
char tmp_buf[MYSQL_ERRMSG_SIZE];
int tmp_errno;
tmp_errno= conn->options.local_infile_error(info, tmp_buf, sizeof(tmp_buf));
my_set_error(conn, tmp_errno, SQLSTATE_UNKNOWN, tmp_buf);
ma_net_write(&conn->net, (unsigned char *)"", 0);
ma_net_flush(&conn->net);
goto infile_error;
}
/* read data */
while ((bufread= conn->options.local_infile_read(info, (char *)buf, buflen)) > 0)
{
if (ma_net_write(&conn->net, (unsigned char *)buf, bufread))
{
my_set_error(conn, CR_SERVER_LOST, SQLSTATE_UNKNOWN, NULL);
goto infile_error;
}
}
/* send empty packet for eof */
if (ma_net_write(&conn->net, (unsigned char *)"", 0) ||
ma_net_flush(&conn->net))
{
my_set_error(conn, CR_SERVER_LOST, SQLSTATE_UNKNOWN, NULL);
goto infile_error;
}
/* error during read occured */
if (bufread < 0)
{
char tmp_buf[MYSQL_ERRMSG_SIZE];
int tmp_errno= conn->options.local_infile_error(info, tmp_buf, sizeof(tmp_buf));
my_set_error(conn, tmp_errno, SQLSTATE_UNKNOWN, tmp_buf);
goto infile_error;
}
result = 0;
infile_error:
conn->options.local_infile_end(info);
free(buf);
return(result);
}
/* }}} */
|
