mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 20:12:31 +01:00
d1c80dd648
into mysql.com:/home/jimw/my/mysql-5.0-clean configure.in: Auto merged include/my_global.h: Auto merged myisam/mi_extra.c: Auto merged mysql-test/r/lowercase_table.result: Auto merged mysql-test/t/lowercase_table.test: Auto merged mysys/my_access.c: Auto merged BitKeeper/deleted/.del-extra.c~706f29d72beb2565: Auto merged sql/examples/ha_tina.cc: Resolve conflict
122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
/* Copyright (C) 2000 MySQL AB
|
|
|
|
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; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
|
|
|
|
#include "mysys_priv.h"
|
|
#include <m_string.h>
|
|
|
|
#ifdef __WIN__
|
|
|
|
/*
|
|
Check a file or path for accessability.
|
|
|
|
SYNOPSIS
|
|
file_access()
|
|
path Path to file
|
|
amode Access method
|
|
|
|
DESCRIPTION
|
|
This function wraps the normal access method because the access
|
|
available in MSVCRT> +reports that filenames such as LPT1 and
|
|
COM1 are valid (they are but should not be so for us).
|
|
|
|
RETURN VALUES
|
|
0 ok
|
|
-1 error (We use -1 as my_access is mapped to access on other platforms)
|
|
*/
|
|
|
|
int my_access(const char *path, int amode)
|
|
{
|
|
WIN32_FILE_ATTRIBUTE_DATA fileinfo;
|
|
BOOL result;
|
|
|
|
result= GetFileAttributesEx(path, GetFileExInfoStandard, &fileinfo);
|
|
if (! result ||
|
|
(fileinfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY) && (amode & W_OK))
|
|
{
|
|
my_errno= errno= EACCES;
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#endif /* __WIN__ */
|
|
|
|
#if defined(MSDOS) || defined(__WIN__) || defined(__EMX__)
|
|
|
|
/*
|
|
List of file names that causes problem on windows
|
|
|
|
NOTE that one can also not have file names of type CON.TXT
|
|
*/
|
|
|
|
static const char *reserved_names[]=
|
|
{
|
|
"CON", "PRN", "AUX", "NUL", "COM1", "COM2", "COM3", "COM4", "COM5", "COM6",
|
|
"COM7", "COM8", "COM9", "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6",
|
|
"LPT7", "LPT8", "LPT9", "CLOCK$",
|
|
NullS
|
|
};
|
|
|
|
#define MAX_RESERVED_NAME_LENGTH 6
|
|
|
|
/*
|
|
Check if a path will access a reserverd file name that may cause problems
|
|
|
|
SYNOPSIS
|
|
check_if_legal_filename
|
|
path Path to file
|
|
|
|
RETURN
|
|
0 ok
|
|
1 reserved file name
|
|
*/
|
|
|
|
int check_if_legal_filename(const char *path)
|
|
{
|
|
const char *end;
|
|
const char **reserved_name;
|
|
DBUG_ENTER("check_if_legal_filename");
|
|
|
|
path+= dirname_length(path); /* To start of filename */
|
|
if (!(end= strchr(path, FN_EXTCHAR)))
|
|
end= strend(path);
|
|
if (path == end || (uint) (end - path) > MAX_RESERVED_NAME_LENGTH)
|
|
DBUG_RETURN(0); /* Simplify inner loop */
|
|
|
|
for (reserved_name= reserved_names; *reserved_name; reserved_name++)
|
|
{
|
|
const char *reserved= *reserved_name; /* never empty */
|
|
const char *name= path;
|
|
|
|
do
|
|
{
|
|
if (*reserved != my_toupper(&my_charset_latin1, *name))
|
|
break;
|
|
if (++name == end && !reserved[1])
|
|
DBUG_RETURN(1); /* Found wrong path */
|
|
} while (*++reserved);
|
|
}
|
|
DBUG_RETURN(0);
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifdef OS2
|
|
int check_if_legal_filename(const char *path)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif /* OS2 */
|