2 * NTDLL directory functions
4 * Copyright 1993 Erik Bos
5 * Copyright 2003 Eric Pouech
6 * Copyright 1996, 2004 Alexandre Julliard
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #include "wine/port.h"
27 #include <sys/types.h>
41 #ifdef HAVE_SYS_STAT_H
42 # include <sys/stat.h>
44 #ifdef HAVE_SYS_SYSCALL_H
45 # include <sys/syscall.h>
47 #ifdef HAVE_SYS_ATTR_H
50 #ifdef HAVE_SYS_IOCTL_H
51 #include <sys/ioctl.h>
53 #ifdef HAVE_LINUX_IOCTL_H
54 #include <linux/ioctl.h>
56 #ifdef HAVE_LINUX_MAJOR_H
57 # include <linux/major.h>
59 #ifdef HAVE_SYS_PARAM_H
60 #include <sys/param.h>
62 #ifdef HAVE_SYS_MOUNT_H
63 #include <sys/mount.h>
65 #ifdef HAVE_SYS_STATFS_H
66 #include <sys/statfs.h>
74 #define WIN32_NO_STATUS
75 #define NONAMELESSUNION
80 #include "ntdll_misc.h"
81 #include "wine/unicode.h"
82 #include "wine/server.h"
83 #include "wine/list.h"
84 #include "wine/library.h"
85 #include "wine/debug.h"
87 WINE_DEFAULT_DEBUG_CHANNEL(file
);
90 #undef VFAT_IOCTL_READDIR_BOTH
95 /* We want the real kernel dirent structure, not the libc one */
100 unsigned short d_reclen
;
104 /* Define the VFAT ioctl to get both short and long file names */
105 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, KERNEL_DIRENT [2] )
108 # define O_DIRECTORY 0200000 /* must be directory */
111 #ifdef __NR_getdents64
116 unsigned short d_reclen
;
117 unsigned char d_type
;
122 static inline int getdents64( int fd
, char *de
, unsigned int size
)
124 return syscall( __NR_getdents64
, fd
, de
, size
);
131 #define IS_OPTION_TRUE(ch) ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
132 #define IS_SEPARATOR(ch) ((ch) == '\\' || (ch) == '/')
134 #define INVALID_NT_CHARS '*','?','<','>','|','"'
135 #define INVALID_DOS_CHARS INVALID_NT_CHARS,'+','=',',',';','[',']',' ','\345'
137 #define MAX_DIR_ENTRY_LEN 255 /* max length of a directory entry in chars */
139 #define MAX_IGNORED_FILES 4
147 static struct file_identity ignored_files
[MAX_IGNORED_FILES
];
148 static unsigned int ignored_files_count
;
150 union file_directory_info
153 FILE_DIRECTORY_INFORMATION dir
;
154 FILE_BOTH_DIRECTORY_INFORMATION both
;
155 FILE_FULL_DIRECTORY_INFORMATION full
;
156 FILE_ID_BOTH_DIRECTORY_INFORMATION id_both
;
157 FILE_ID_FULL_DIRECTORY_INFORMATION id_full
;
160 static BOOL show_dot_files
;
161 static RTL_RUN_ONCE init_once
= RTL_RUN_ONCE_INIT
;
163 /* at some point we may want to allow Winelib apps to set this */
164 static const BOOL is_case_sensitive
= FALSE
;
166 UNICODE_STRING system_dir
= { 0, 0, NULL
}; /* system directory */
168 static struct file_identity curdir
;
169 static struct file_identity windir
;
171 static RTL_CRITICAL_SECTION dir_section
;
172 static RTL_CRITICAL_SECTION_DEBUG critsect_debug
=
175 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
176 0, 0, { (DWORD_PTR
)(__FILE__
": dir_section") }
178 static RTL_CRITICAL_SECTION dir_section
= { &critsect_debug
, -1, 0, 0, 0, 0 };
181 /* check if a given Unicode char is OK in a DOS short name */
182 static inline BOOL
is_invalid_dos_char( WCHAR ch
)
184 static const WCHAR invalid_chars
[] = { INVALID_DOS_CHARS
,'~','.',0 };
185 if (ch
> 0x7f) return TRUE
;
186 return strchrW( invalid_chars
, ch
) != NULL
;
189 /* check if the device can be a mounted volume */
190 static inline BOOL
is_valid_mounted_device( const struct stat
*st
)
192 #if defined(linux) || defined(__sun__)
193 return S_ISBLK( st
->st_mode
);
195 /* disks are char devices on *BSD */
196 return S_ISCHR( st
->st_mode
);
200 static inline void ignore_file( const char *name
)
203 assert( ignored_files_count
< MAX_IGNORED_FILES
);
204 if (!stat( name
, &st
))
206 ignored_files
[ignored_files_count
].dev
= st
.st_dev
;
207 ignored_files
[ignored_files_count
].ino
= st
.st_ino
;
208 ignored_files_count
++;
212 static inline BOOL
is_same_file( const struct file_identity
*file
, const struct stat
*st
)
214 return st
->st_dev
== file
->dev
&& st
->st_ino
== file
->ino
;
217 static inline BOOL
is_ignored_file( const struct stat
*st
)
221 for (i
= 0; i
< ignored_files_count
; i
++)
222 if (is_same_file( &ignored_files
[i
], st
)) return TRUE
;
226 static inline unsigned int dir_info_size( FILE_INFORMATION_CLASS
class, unsigned int len
)
230 case FileDirectoryInformation
:
231 return (FIELD_OFFSET( FILE_DIRECTORY_INFORMATION
, FileName
[len
] ) + 7) & ~7;
232 case FileBothDirectoryInformation
:
233 return (FIELD_OFFSET( FILE_BOTH_DIRECTORY_INFORMATION
, FileName
[len
] ) + 7) & ~7;
234 case FileFullDirectoryInformation
:
235 return (FIELD_OFFSET( FILE_FULL_DIRECTORY_INFORMATION
, FileName
[len
] ) + 7) & ~7;
236 case FileIdBothDirectoryInformation
:
237 return (FIELD_OFFSET( FILE_ID_BOTH_DIRECTORY_INFORMATION
, FileName
[len
] ) + 7) & ~7;
238 case FileIdFullDirectoryInformation
:
239 return (FIELD_OFFSET( FILE_ID_FULL_DIRECTORY_INFORMATION
, FileName
[len
] ) + 7) & ~7;
246 static inline unsigned int max_dir_info_size( FILE_INFORMATION_CLASS
class )
248 return dir_info_size( class, MAX_DIR_ENTRY_LEN
);
251 static inline BOOL
has_wildcard( const UNICODE_STRING
*mask
)
254 memchrW( mask
->Buffer
, '*', mask
->Length
/ sizeof(WCHAR
) ) ||
255 memchrW( mask
->Buffer
, '?', mask
->Length
/ sizeof(WCHAR
) ));
259 /* support for a directory queue for filesystem searches */
267 static struct list dir_queue
= LIST_INIT( dir_queue
);
269 static NTSTATUS
add_dir_to_queue( const char *name
)
271 int len
= strlen( name
) + 1;
272 struct dir_name
*dir
= RtlAllocateHeap( GetProcessHeap(), 0,
273 FIELD_OFFSET( struct dir_name
, name
[len
] ));
274 if (!dir
) return STATUS_NO_MEMORY
;
275 strcpy( dir
->name
, name
);
276 list_add_tail( &dir_queue
, &dir
->entry
);
277 return STATUS_SUCCESS
;
280 static NTSTATUS
next_dir_in_queue( char *name
)
282 struct list
*head
= list_head( &dir_queue
);
285 struct dir_name
*dir
= LIST_ENTRY( head
, struct dir_name
, entry
);
286 strcpy( name
, dir
->name
);
287 list_remove( &dir
->entry
);
288 RtlFreeHeap( GetProcessHeap(), 0, dir
);
289 return STATUS_SUCCESS
;
291 return STATUS_OBJECT_NAME_NOT_FOUND
;
294 static void flush_dir_queue(void)
298 while ((head
= list_head( &dir_queue
)))
300 struct dir_name
*dir
= LIST_ENTRY( head
, struct dir_name
, entry
);
301 list_remove( &dir
->entry
);
302 RtlFreeHeap( GetProcessHeap(), 0, dir
);
307 /***********************************************************************
308 * get_default_com_device
310 * Return the default device to use for serial ports.
312 static char *get_default_com_device( int num
)
316 if (!num
|| num
> 9) return ret
;
318 ret
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/ttyS0") );
321 strcpy( ret
, "/dev/ttyS0" );
322 ret
[strlen(ret
) - 1] = '0' + num
- 1;
324 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
325 ret
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/cuau0") );
328 strcpy( ret
, "/dev/cuau0" );
329 ret
[strlen(ret
) - 1] = '0' + num
- 1;
331 #elif defined(__DragonFly__)
332 ret
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/cuaa0") );
335 strcpy( ret
, "/dev/cuaa0" );
336 ret
[strlen(ret
) - 1] = '0' + num
- 1;
339 FIXME( "no known default for device com%d\n", num
);
345 /***********************************************************************
346 * get_default_lpt_device
348 * Return the default device to use for parallel ports.
350 static char *get_default_lpt_device( int num
)
354 if (!num
|| num
> 9) return ret
;
356 ret
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/lp0") );
359 strcpy( ret
, "/dev/lp0" );
360 ret
[strlen(ret
) - 1] = '0' + num
- 1;
363 FIXME( "no known default for device lpt%d\n", num
);
370 static char *unescape_field( char *str
)
374 for (in
= out
= str
; *in
; in
++, out
++)
384 else if (in
[1] == '0' && in
[2] == '4' && in
[3] == '0')
389 else if (in
[1] == '0' && in
[2] == '1' && in
[3] == '1')
394 else if (in
[1] == '0' && in
[2] == '1' && in
[3] == '2')
399 else if (in
[1] == '1' && in
[2] == '3' && in
[3] == '4')
411 static inline char *get_field( char **str
)
415 ret
= strsep( str
, " \t" );
416 if (*str
) *str
+= strspn( *str
, " \t" );
420 /************************************************************************
421 * getmntent_replacement
423 * getmntent replacement for Android.
425 * NB returned static buffer is not thread safe; protect with dir_section.
427 static struct mntent
*getmntent_replacement( FILE *f
)
429 static struct mntent entry
;
430 static char buf
[4096];
435 if (!fgets( buf
, sizeof(buf
), f
)) return NULL
;
436 p
= strchr( buf
, '\n' );
438 else /* Partially unread line, move file ptr to end */
441 while (fgets( tmp
, sizeof(tmp
), f
))
442 if (strchr( tmp
, '\n' )) break;
444 start
= buf
+ strspn( buf
, " \t" );
445 } while (start
[0] == '\0' || start
[0] == '#');
447 p
= get_field( &start
);
448 entry
.mnt_fsname
= p
? unescape_field( p
) : (char *)"";
450 p
= get_field( &start
);
451 entry
.mnt_dir
= p
? unescape_field( p
) : (char *)"";
453 p
= get_field( &start
);
454 entry
.mnt_type
= p
? unescape_field( p
) : (char *)"";
456 p
= get_field( &start
);
457 entry
.mnt_opts
= p
? unescape_field( p
) : (char *)"";
459 p
= get_field( &start
);
460 entry
.mnt_freq
= p
? atoi(p
) : 0;
462 p
= get_field( &start
);
463 entry
.mnt_passno
= p
? atoi(p
) : 0;
467 #define getmntent getmntent_replacement
470 /***********************************************************************
471 * DIR_get_drives_info
473 * Retrieve device/inode number for all the drives. Helper for find_drive_root.
475 unsigned int DIR_get_drives_info( struct drive_info info
[MAX_DOS_DRIVES
] )
477 static struct drive_info cache
[MAX_DOS_DRIVES
];
478 static time_t last_update
;
479 static unsigned int nb_drives
;
481 time_t now
= time(NULL
);
483 RtlEnterCriticalSection( &dir_section
);
484 if (now
!= last_update
)
486 const char *config_dir
= wine_get_config_dir();
491 if ((buffer
= RtlAllocateHeap( GetProcessHeap(), 0,
492 strlen(config_dir
) + sizeof("/dosdevices/a:") )))
494 strcpy( buffer
, config_dir
);
495 strcat( buffer
, "/dosdevices/a:" );
496 p
= buffer
+ strlen(buffer
) - 2;
498 for (i
= nb_drives
= 0; i
< MAX_DOS_DRIVES
; i
++)
501 if (!stat( buffer
, &st
))
503 cache
[i
].dev
= st
.st_dev
;
504 cache
[i
].ino
= st
.st_ino
;
513 RtlFreeHeap( GetProcessHeap(), 0, buffer
);
517 memcpy( info
, cache
, sizeof(cache
) );
519 RtlLeaveCriticalSection( &dir_section
);
524 /***********************************************************************
525 * parse_mount_entries
527 * Parse mount entries looking for a given device. Helper for get_default_drive_device.
531 #include <sys/vfstab.h>
532 static char *parse_vfstab_entries( FILE *f
, dev_t dev
, ino_t ino
)
538 while (! getvfsent( f
, &entry
))
540 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
541 if (!strcmp( entry
.vfs_fstype
, "nfs" ) ||
542 !strcmp( entry
.vfs_fstype
, "smbfs" ) ||
543 !strcmp( entry
.vfs_fstype
, "ncpfs" )) continue;
545 if (stat( entry
.vfs_mountp
, &st
) == -1) continue;
546 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
547 if (!strcmp( entry
.vfs_fstype
, "fd" ))
549 if ((device
= strstr( entry
.vfs_mntopts
, "dev=" )))
551 char *p
= strchr( device
+ 4, ',' );
557 return entry
.vfs_special
;
564 static char *parse_mount_entries( FILE *f
, dev_t dev
, ino_t ino
)
566 struct mntent
*entry
;
570 while ((entry
= getmntent( f
)))
572 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
573 if (!strcmp( entry
->mnt_type
, "nfs" ) ||
574 !strcmp( entry
->mnt_type
, "smbfs" ) ||
575 !strcmp( entry
->mnt_type
, "ncpfs" )) continue;
577 if (stat( entry
->mnt_dir
, &st
) == -1) continue;
578 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
579 if (!strcmp( entry
->mnt_type
, "supermount" ))
581 if ((device
= strstr( entry
->mnt_opts
, "dev=" )))
583 char *p
= strchr( device
+ 4, ',' );
588 else if (!stat( entry
->mnt_fsname
, &st
) && S_ISREG(st
.st_mode
))
590 /* if device is a regular file check for a loop mount */
591 if ((device
= strstr( entry
->mnt_opts
, "loop=" )))
593 char *p
= strchr( device
+ 5, ',' );
599 return entry
->mnt_fsname
;
605 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
607 static char *parse_mount_entries( FILE *f
, dev_t dev
, ino_t ino
)
612 while ((entry
= getfsent()))
614 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
615 if (!strcmp( entry
->fs_vfstype
, "nfs" ) ||
616 !strcmp( entry
->fs_vfstype
, "smbfs" ) ||
617 !strcmp( entry
->fs_vfstype
, "ncpfs" )) continue;
619 if (stat( entry
->fs_file
, &st
) == -1) continue;
620 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
621 return entry
->fs_spec
;
628 #include <sys/mnttab.h>
629 static char *parse_mount_entries( FILE *f
, dev_t dev
, ino_t ino
)
636 while (( ! getmntent( f
, &entry
) ))
638 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
639 if (!strcmp( entry
.mnt_fstype
, "nfs" ) ||
640 !strcmp( entry
.mnt_fstype
, "smbfs" ) ||
641 !strcmp( entry
.mnt_fstype
, "ncpfs" )) continue;
643 if (stat( entry
.mnt_mountp
, &st
) == -1) continue;
644 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
645 if (!strcmp( entry
.mnt_fstype
, "fd" ))
647 if ((device
= strstr( entry
.mnt_mntopts
, "dev=" )))
649 char *p
= strchr( device
+ 4, ',' );
655 return entry
.mnt_special
;
661 /***********************************************************************
662 * get_default_drive_device
664 * Return the default device to use for a given drive mount point.
666 static char *get_default_drive_device( const char *root
)
676 /* try to open it first to force it to get mounted */
677 if ((fd
= open( root
, O_RDONLY
| O_DIRECTORY
)) != -1)
679 res
= fstat( fd
, &st
);
682 /* now try normal stat just in case */
683 if (res
== -1) res
= stat( root
, &st
);
684 if (res
== -1) return NULL
;
686 RtlEnterCriticalSection( &dir_section
);
689 if ((f
= fopen( "/proc/mounts", "r" )))
691 device
= parse_mount_entries( f
, st
.st_dev
, st
.st_ino
);
695 if ((f
= fopen( "/etc/mtab", "r" )))
697 device
= parse_mount_entries( f
, st
.st_dev
, st
.st_ino
);
700 /* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
701 if (!device
&& (f
= fopen( "/etc/fstab", "r" )))
703 device
= parse_mount_entries( f
, st
.st_dev
, st
.st_ino
);
709 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(device
) + 1 );
710 if (ret
) strcpy( ret
, device
);
712 RtlLeaveCriticalSection( &dir_section
);
714 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__ ) || defined(__DragonFly__)
719 /* try to open it first to force it to get mounted */
720 if ((fd
= open( root
, O_RDONLY
)) != -1)
722 res
= fstat( fd
, &st
);
725 /* now try normal stat just in case */
726 if (res
== -1) res
= stat( root
, &st
);
727 if (res
== -1) return NULL
;
729 RtlEnterCriticalSection( &dir_section
);
731 /* The FreeBSD parse_mount_entries doesn't require a file argument, so just
732 * pass NULL. Leave the argument in for symmetry.
734 device
= parse_mount_entries( NULL
, st
.st_dev
, st
.st_ino
);
737 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(device
) + 1 );
738 if (ret
) strcpy( ret
, device
);
740 RtlLeaveCriticalSection( &dir_section
);
748 /* try to open it first to force it to get mounted */
749 if ((fd
= open( root
, O_RDONLY
)) != -1)
751 res
= fstat( fd
, &st
);
754 /* now try normal stat just in case */
755 if (res
== -1) res
= stat( root
, &st
);
756 if (res
== -1) return NULL
;
758 RtlEnterCriticalSection( &dir_section
);
760 if ((f
= fopen( "/etc/mnttab", "r" )))
762 device
= parse_mount_entries( f
, st
.st_dev
, st
.st_ino
);
765 /* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
766 if (!device
&& (f
= fopen( "/etc/vfstab", "r" )))
768 device
= parse_vfstab_entries( f
, st
.st_dev
, st
.st_ino
);
773 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(device
) + 1 );
774 if (ret
) strcpy( ret
, device
);
776 RtlLeaveCriticalSection( &dir_section
);
778 #elif defined(__APPLE__)
779 struct statfs
*mntStat
;
785 static const char path_bsd_device
[] = "/dev/disk";
788 res
= stat( root
, &st
);
789 if (res
== -1) return NULL
;
794 RtlEnterCriticalSection( &dir_section
);
796 mntSize
= getmntinfo(&mntStat
, MNT_NOWAIT
);
798 for (i
= 0; i
< mntSize
&& !ret
; i
++)
800 if (stat(mntStat
[i
].f_mntonname
, &st
) == -1) continue;
801 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
803 /* FIXME add support for mounted network drive */
804 if ( strncmp(mntStat
[i
].f_mntfromname
, path_bsd_device
, strlen(path_bsd_device
)) == 0)
806 /* set return value to the corresponding raw BSD node */
807 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(mntStat
[i
].f_mntfromname
) + 2 /* 2 : r and \0 */ );
810 strcpy(ret
, "/dev/r");
811 strcat(ret
, mntStat
[i
].f_mntfromname
+sizeof("/dev/")-1);
815 RtlLeaveCriticalSection( &dir_section
);
818 if (!warned
++) FIXME( "auto detection of DOS devices not supported on this platform\n" );
824 /***********************************************************************
825 * get_device_mount_point
827 * Return the current mount point for a device.
829 static char *get_device_mount_point( dev_t dev
)
836 RtlEnterCriticalSection( &dir_section
);
839 if ((f
= fopen( "/proc/mounts", "r" )))
841 if ((f
= fopen( "/etc/mtab", "r" )))
844 struct mntent
*entry
;
848 while ((entry
= getmntent( f
)))
850 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
851 if (!strcmp( entry
->mnt_type
, "nfs" ) ||
852 !strcmp( entry
->mnt_type
, "smbfs" ) ||
853 !strcmp( entry
->mnt_type
, "ncpfs" )) continue;
855 if (!strcmp( entry
->mnt_type
, "supermount" ))
857 if ((device
= strstr( entry
->mnt_opts
, "dev=" )))
860 if ((p
= strchr( device
, ',' ))) *p
= 0;
863 else if (!stat( entry
->mnt_fsname
, &st
) && S_ISREG(st
.st_mode
))
865 /* if device is a regular file check for a loop mount */
866 if ((device
= strstr( entry
->mnt_opts
, "loop=" )))
869 if ((p
= strchr( device
, ',' ))) *p
= 0;
872 else device
= entry
->mnt_fsname
;
874 if (device
&& !stat( device
, &st
) && S_ISBLK(st
.st_mode
) && st
.st_rdev
== dev
)
876 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(entry
->mnt_dir
) + 1 );
877 if (ret
) strcpy( ret
, entry
->mnt_dir
);
883 RtlLeaveCriticalSection( &dir_section
);
884 #elif defined(__APPLE__)
885 struct statfs
*entry
;
889 RtlEnterCriticalSection( &dir_section
);
891 size
= getmntinfo( &entry
, MNT_NOWAIT
);
892 for (i
= 0; i
< size
; i
++)
894 if (stat( entry
[i
].f_mntfromname
, &st
) == -1) continue;
895 if (S_ISBLK(st
.st_mode
) && st
.st_rdev
== dev
)
897 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(entry
[i
].f_mntonname
) + 1 );
898 if (ret
) strcpy( ret
, entry
[i
].f_mntonname
);
902 RtlLeaveCriticalSection( &dir_section
);
905 if (!warned
++) FIXME( "unmounting devices not supported on this platform\n" );
911 #if defined(HAVE_GETATTRLIST) && defined(ATTR_VOL_CAPABILITIES) && \
912 defined(VOL_CAPABILITIES_FORMAT) && defined(VOL_CAP_FMT_CASE_SENSITIVE)
925 BOOLEAN case_sensitive
;
931 vol_capabilities_attr_t caps
;
934 /***********************************************************************
937 * Checks if the specified file system is in the cache.
939 static struct fs_cache
*look_up_fs_cache( dev_t dev
)
942 for (i
= 0; i
< sizeof(fs_cache
)/sizeof(fs_cache
[0]); i
++)
943 if (fs_cache
[i
].dev
== dev
)
948 /***********************************************************************
951 * Adds the specified file system to the cache.
953 static void add_fs_cache( dev_t dev
, fsid_t fsid
, BOOLEAN case_sensitive
)
956 struct fs_cache
*entry
= look_up_fs_cache( dev
);
960 /* Update the cache */
962 entry
->case_sensitive
= case_sensitive
;
966 /* Add a new entry */
967 for (i
= 0; i
< sizeof(fs_cache
)/sizeof(fs_cache
[0]); i
++)
968 if (fs_cache
[i
].dev
== 0)
970 /* This entry is empty, use it */
971 fs_cache
[i
].dev
= dev
;
972 fs_cache
[i
].fsid
= fsid
;
973 fs_cache
[i
].case_sensitive
= case_sensitive
;
977 /* Cache is out of space, warn */
979 WARN( "FS cache is out of space, expect performance problems\n" );
982 /***********************************************************************
983 * get_dir_case_sensitivity_attr
985 * Checks if the volume containing the specified directory is case
986 * sensitive or not. Uses getattrlist(2).
988 static int get_dir_case_sensitivity_attr( const char *dir
)
990 char *mntpoint
= NULL
;
991 struct attrlist attr
;
992 struct vol_caps caps
;
993 struct get_fsid get_fsid
;
994 struct fs_cache
*entry
;
996 /* First get the FS ID of the volume */
997 attr
.bitmapcount
= ATTR_BIT_MAP_COUNT
;
999 attr
.commonattr
= ATTR_CMN_DEVID
|ATTR_CMN_FSID
;
1000 attr
.volattr
= attr
.dirattr
= attr
.fileattr
= attr
.forkattr
= 0;
1002 if (getattrlist( dir
, &attr
, &get_fsid
, sizeof(get_fsid
), 0 ) != 0 ||
1003 get_fsid
.size
!= sizeof(get_fsid
))
1005 /* Try to look it up in the cache */
1006 entry
= look_up_fs_cache( get_fsid
.dev
);
1007 if (entry
&& !memcmp( &entry
->fsid
, &get_fsid
.fsid
, sizeof(fsid_t
) ))
1008 /* Cache lookup succeeded */
1009 return entry
->case_sensitive
;
1010 /* Cache is stale at this point, we have to update it */
1012 mntpoint
= get_device_mount_point( get_fsid
.dev
);
1013 /* Now look up the case-sensitivity */
1014 attr
.commonattr
= 0;
1015 attr
.volattr
= ATTR_VOL_INFO
|ATTR_VOL_CAPABILITIES
;
1016 if (getattrlist( mntpoint
, &attr
, &caps
, sizeof(caps
), 0 ) < 0)
1018 RtlFreeHeap( GetProcessHeap(), 0, mntpoint
);
1019 add_fs_cache( get_fsid
.dev
, get_fsid
.fsid
, TRUE
);
1022 RtlFreeHeap( GetProcessHeap(), 0, mntpoint
);
1023 if (caps
.size
== sizeof(caps
) &&
1024 (caps
.caps
.valid
[VOL_CAPABILITIES_FORMAT
] &
1025 (VOL_CAP_FMT_CASE_SENSITIVE
| VOL_CAP_FMT_CASE_PRESERVING
)) ==
1026 (VOL_CAP_FMT_CASE_SENSITIVE
| VOL_CAP_FMT_CASE_PRESERVING
))
1030 if ((caps
.caps
.capabilities
[VOL_CAPABILITIES_FORMAT
] &
1031 VOL_CAP_FMT_CASE_SENSITIVE
) != VOL_CAP_FMT_CASE_SENSITIVE
)
1035 /* Update the cache */
1036 add_fs_cache( get_fsid
.dev
, get_fsid
.fsid
, ret
);
1043 /***********************************************************************
1044 * get_dir_case_sensitivity_stat
1046 * Checks if the volume containing the specified directory is case
1047 * sensitive or not. Uses statfs(2) or statvfs(2).
1049 static BOOLEAN
get_dir_case_sensitivity_stat( const char *dir
)
1051 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
1054 if (statfs( dir
, &stfs
) == -1) return FALSE
;
1055 /* Assume these file systems are always case insensitive on Mac OS.
1056 * For FreeBSD, only assume CIOPFS is case insensitive (AFAIK, Mac OS
1057 * is the only UNIX that supports case-insensitive lookup).
1059 if (!strcmp( stfs
.f_fstypename
, "fusefs" ) &&
1060 !strncmp( stfs
.f_mntfromname
, "ciopfs", 5 ))
1063 if (!strcmp( stfs
.f_fstypename
, "msdos" ) ||
1064 !strcmp( stfs
.f_fstypename
, "cd9660" ) ||
1065 !strcmp( stfs
.f_fstypename
, "udf" ) ||
1066 !strcmp( stfs
.f_fstypename
, "ntfs" ) ||
1067 !strcmp( stfs
.f_fstypename
, "smbfs" ))
1069 #ifdef _DARWIN_FEATURE_64_BIT_INODE
1070 if (!strcmp( stfs
.f_fstypename
, "hfs" ) && (stfs
.f_fssubtype
== 0 ||
1071 stfs
.f_fssubtype
== 1 ||
1072 stfs
.f_fssubtype
== 128))
1075 /* The field says "reserved", but a quick look at the kernel source
1076 * tells us that this "reserved" field is really the same as the
1077 * "fssubtype" field from the inode64 structure (see munge_statfs()
1078 * in <xnu-source>/bsd/vfs/vfs_syscalls.c).
1080 if (!strcmp( stfs
.f_fstypename
, "hfs" ) && (stfs
.f_reserved1
== 0 ||
1081 stfs
.f_reserved1
== 1 ||
1082 stfs
.f_reserved1
== 128))
1088 #elif defined(__NetBSD__)
1089 struct statvfs stfs
;
1091 if (statvfs( dir
, &stfs
) == -1) return FALSE
;
1092 /* Only assume CIOPFS is case insensitive. */
1093 if (strcmp( stfs
.f_fstypename
, "fusefs" ) ||
1094 strncmp( stfs
.f_mntfromname
, "ciopfs", 5 ))
1098 #elif defined(__linux__)
1103 /* Only assume CIOPFS is case insensitive. */
1104 if (statfs( dir
, &stfs
) == -1) return FALSE
;
1105 if (stfs
.f_type
!= 0x65735546 /* FUSE_SUPER_MAGIC */)
1107 /* Normally, we'd have to parse the mtab to find out exactly what
1108 * kind of FUSE FS this is. But, someone on wine-devel suggested
1109 * a shortcut. We'll stat a special file in the directory. If it's
1110 * there, we'll assume it's a CIOPFS, else not.
1111 * This will break if somebody puts a file named ".ciopfs" in a non-
1114 cifile
= RtlAllocateHeap( GetProcessHeap(), 0, strlen( dir
)+sizeof("/.ciopfs") );
1115 if (!cifile
) return TRUE
;
1116 strcpy( cifile
, dir
);
1117 strcat( cifile
, "/.ciopfs" );
1118 if (stat( cifile
, &st
) == 0)
1120 RtlFreeHeap( GetProcessHeap(), 0, cifile
);
1123 RtlFreeHeap( GetProcessHeap(), 0, cifile
);
1131 /***********************************************************************
1132 * get_dir_case_sensitivity
1134 * Checks if the volume containing the specified directory is case
1135 * sensitive or not. Uses statfs(2) or statvfs(2).
1137 static BOOLEAN
get_dir_case_sensitivity( const char *dir
)
1139 #if defined(HAVE_GETATTRLIST) && defined(ATTR_VOL_CAPABILITIES) && \
1140 defined(VOL_CAPABILITIES_FORMAT) && defined(VOL_CAP_FMT_CASE_SENSITIVE)
1141 int case_sensitive
= get_dir_case_sensitivity_attr( dir
);
1142 if (case_sensitive
!= -1) return case_sensitive
;
1144 return get_dir_case_sensitivity_stat( dir
);
1148 /***********************************************************************
1151 * Initialize the show_dot_files options.
1153 static DWORD WINAPI
init_options( RTL_RUN_ONCE
*once
, void *param
, void **context
)
1155 static const WCHAR WineW
[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e',0};
1156 static const WCHAR ShowDotFilesW
[] = {'S','h','o','w','D','o','t','F','i','l','e','s',0};
1160 OBJECT_ATTRIBUTES attr
;
1161 UNICODE_STRING nameW
;
1163 RtlOpenCurrentUser( KEY_ALL_ACCESS
, &root
);
1164 attr
.Length
= sizeof(attr
);
1165 attr
.RootDirectory
= root
;
1166 attr
.ObjectName
= &nameW
;
1167 attr
.Attributes
= 0;
1168 attr
.SecurityDescriptor
= NULL
;
1169 attr
.SecurityQualityOfService
= NULL
;
1170 RtlInitUnicodeString( &nameW
, WineW
);
1172 /* @@ Wine registry key: HKCU\Software\Wine */
1173 if (!NtOpenKey( &hkey
, KEY_ALL_ACCESS
, &attr
))
1175 RtlInitUnicodeString( &nameW
, ShowDotFilesW
);
1176 if (!NtQueryValueKey( hkey
, &nameW
, KeyValuePartialInformation
, tmp
, sizeof(tmp
), &dummy
))
1178 WCHAR
*str
= (WCHAR
*)((KEY_VALUE_PARTIAL_INFORMATION
*)tmp
)->Data
;
1179 show_dot_files
= IS_OPTION_TRUE( str
[0] );
1185 /* a couple of directories that we don't want to return in directory searches */
1186 ignore_file( wine_get_config_dir() );
1187 ignore_file( "/dev" );
1188 ignore_file( "/proc" );
1190 ignore_file( "/sys" );
1196 /***********************************************************************
1197 * DIR_is_hidden_file
1199 * Check if the specified file should be hidden based on its name and the show dot files option.
1201 BOOL
DIR_is_hidden_file( const UNICODE_STRING
*name
)
1205 RtlRunOnceExecuteOnce( &init_once
, init_options
, NULL
, NULL
);
1207 if (show_dot_files
) return FALSE
;
1209 end
= p
= name
->Buffer
+ name
->Length
/sizeof(WCHAR
);
1210 while (p
> name
->Buffer
&& IS_SEPARATOR(p
[-1])) p
--;
1211 while (p
> name
->Buffer
&& !IS_SEPARATOR(p
[-1])) p
--;
1212 if (p
== end
|| *p
!= '.') return FALSE
;
1213 /* make sure it isn't '.' or '..' */
1214 if (p
+ 1 == end
) return FALSE
;
1215 if (p
[1] == '.' && p
+ 2 == end
) return FALSE
;
1220 /***********************************************************************
1221 * hash_short_file_name
1223 * Transform a Unix file name into a hashed DOS name. If the name is a valid
1224 * DOS name, it is converted to upper-case; otherwise it is replaced by a
1225 * hashed version that fits in 8.3 format.
1226 * 'buffer' must be at least 12 characters long.
1227 * Returns length of short name in bytes; short name is NOT null-terminated.
1229 static ULONG
hash_short_file_name( const UNICODE_STRING
*name
, LPWSTR buffer
)
1231 static const char hash_chars
[32] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345";
1233 LPCWSTR p
, ext
, end
= name
->Buffer
+ name
->Length
/ sizeof(WCHAR
);
1235 unsigned short hash
;
1238 /* Compute the hash code of the file name */
1239 /* If you know something about hash functions, feel free to */
1240 /* insert a better algorithm here... */
1241 if (!is_case_sensitive
)
1243 for (p
= name
->Buffer
, hash
= 0xbeef; p
< end
- 1; p
++)
1244 hash
= (hash
<<3) ^ (hash
>>5) ^ tolowerW(*p
) ^ (tolowerW(p
[1]) << 8);
1245 hash
= (hash
<<3) ^ (hash
>>5) ^ tolowerW(*p
); /* Last character */
1249 for (p
= name
->Buffer
, hash
= 0xbeef; p
< end
- 1; p
++)
1250 hash
= (hash
<< 3) ^ (hash
>> 5) ^ *p
^ (p
[1] << 8);
1251 hash
= (hash
<< 3) ^ (hash
>> 5) ^ *p
; /* Last character */
1254 /* Find last dot for start of the extension */
1255 for (p
= name
->Buffer
+ 1, ext
= NULL
; p
< end
- 1; p
++) if (*p
== '.') ext
= p
;
1257 /* Copy first 4 chars, replacing invalid chars with '_' */
1258 for (i
= 4, p
= name
->Buffer
, dst
= buffer
; i
> 0; i
--, p
++)
1260 if (p
== end
|| p
== ext
) break;
1261 *dst
++ = is_invalid_dos_char(*p
) ? '_' : toupperW(*p
);
1263 /* Pad to 5 chars with '~' */
1264 while (i
-- >= 0) *dst
++ = '~';
1266 /* Insert hash code converted to 3 ASCII chars */
1267 *dst
++ = hash_chars
[(hash
>> 10) & 0x1f];
1268 *dst
++ = hash_chars
[(hash
>> 5) & 0x1f];
1269 *dst
++ = hash_chars
[hash
& 0x1f];
1271 /* Copy the first 3 chars of the extension (if any) */
1275 for (i
= 3, ext
++; (i
> 0) && ext
< end
; i
--, ext
++)
1276 *dst
++ = is_invalid_dos_char(*ext
) ? '_' : toupperW(*ext
);
1278 return dst
- buffer
;
1282 /***********************************************************************
1285 * Check a long file name against a mask.
1287 * Tests (done in W95 DOS shell - case insensitive):
1288 * *.txt test1.test.txt *
1290 * *.t??????.t* test1.ta.tornado.txt *
1291 * *tornado* test1.ta.tornado.txt *
1292 * t*t test1.ta.tornado.txt *
1294 * ?est??? test1.txt -
1295 * *test1.txt* test1.txt *
1296 * h?l?o*t.dat hellothisisatest.dat *
1298 static BOOLEAN
match_filename( const UNICODE_STRING
*name_str
, const UNICODE_STRING
*mask_str
)
1301 const WCHAR
*name
= name_str
->Buffer
;
1302 const WCHAR
*mask
= mask_str
->Buffer
;
1303 const WCHAR
*name_end
= name
+ name_str
->Length
/ sizeof(WCHAR
);
1304 const WCHAR
*mask_end
= mask
+ mask_str
->Length
/ sizeof(WCHAR
);
1305 const WCHAR
*lastjoker
= NULL
;
1306 const WCHAR
*next_to_retry
= NULL
;
1308 TRACE("(%s, %s)\n", debugstr_us(name_str
), debugstr_us(mask_str
));
1310 while (name
< name_end
&& mask
< mask_end
)
1316 while (mask
< mask_end
&& *mask
== '*') mask
++; /* Skip consecutive '*' */
1317 if (mask
== mask_end
) return TRUE
; /* end of mask is all '*', so match */
1320 /* skip to the next match after the joker(s) */
1321 if (is_case_sensitive
)
1322 while (name
< name_end
&& (*name
!= *mask
)) name
++;
1324 while (name
< name_end
&& (toupperW(*name
) != toupperW(*mask
))) name
++;
1325 next_to_retry
= name
;
1332 if (is_case_sensitive
) mismatch
= (*mask
!= *name
);
1333 else mismatch
= (toupperW(*mask
) != toupperW(*name
));
1339 if (mask
== mask_end
)
1341 if (name
== name_end
) return TRUE
;
1342 if (lastjoker
) mask
= lastjoker
;
1345 else /* mismatch ! */
1347 if (lastjoker
) /* we had an '*', so we can try unlimitedly */
1351 /* this scan sequence was a mismatch, so restart
1352 * 1 char after the first char we checked last time */
1354 name
= next_to_retry
;
1356 else return FALSE
; /* bad luck */
1361 while (mask
< mask_end
&& ((*mask
== '.') || (*mask
== '*')))
1362 mask
++; /* Ignore trailing '.' or '*' in mask */
1363 return (name
== name_end
&& mask
== mask_end
);
1367 /***********************************************************************
1370 * helper for NtQueryDirectoryFile
1372 static union file_directory_info
*append_entry( void *info_ptr
, IO_STATUS_BLOCK
*io
, ULONG max_length
,
1373 const char *long_name
, const char *short_name
,
1374 const UNICODE_STRING
*mask
, FILE_INFORMATION_CLASS
class )
1376 union file_directory_info
*info
;
1377 int i
, long_len
, short_len
, total_len
;
1379 WCHAR long_nameW
[MAX_DIR_ENTRY_LEN
];
1380 WCHAR short_nameW
[12];
1385 io
->u
.Status
= STATUS_SUCCESS
;
1386 long_len
= ntdll_umbstowcs( 0, long_name
, strlen(long_name
), long_nameW
, MAX_DIR_ENTRY_LEN
);
1387 if (long_len
== -1) return NULL
;
1389 str
.Buffer
= long_nameW
;
1390 str
.Length
= long_len
* sizeof(WCHAR
);
1391 str
.MaximumLength
= sizeof(long_nameW
);
1395 short_len
= ntdll_umbstowcs( 0, short_name
, strlen(short_name
),
1396 short_nameW
, sizeof(short_nameW
) / sizeof(WCHAR
) );
1397 if (short_len
== -1) short_len
= sizeof(short_nameW
) / sizeof(WCHAR
);
1399 else /* generate a short name if necessary */
1404 if (!RtlIsNameLegalDOS8Dot3( &str
, NULL
, &spaces
) || spaces
)
1405 short_len
= hash_short_file_name( &str
, short_nameW
);
1408 TRACE( "long %s short %s mask %s\n",
1409 debugstr_us(&str
), debugstr_wn(short_nameW
, short_len
), debugstr_us(mask
) );
1411 if (mask
&& !match_filename( &str
, mask
))
1413 if (!short_len
) return NULL
; /* no short name to match */
1414 str
.Buffer
= short_nameW
;
1415 str
.Length
= short_len
* sizeof(WCHAR
);
1416 str
.MaximumLength
= sizeof(short_nameW
);
1417 if (!match_filename( &str
, mask
)) return NULL
;
1420 if (get_file_info( long_name
, &st
, &attributes
) == -1) return NULL
;
1421 if (is_ignored_file( &st
))
1423 TRACE( "ignoring file %s\n", long_name
);
1426 if (!show_dot_files
&& long_name
[0] == '.' && long_name
[1] && (long_name
[1] != '.' || long_name
[2]))
1427 attributes
|= FILE_ATTRIBUTE_HIDDEN
;
1429 total_len
= dir_info_size( class, long_len
);
1430 if (io
->Information
+ total_len
> max_length
)
1432 total_len
= max_length
- io
->Information
;
1433 io
->u
.Status
= STATUS_BUFFER_OVERFLOW
;
1435 info
= (union file_directory_info
*)((char *)info_ptr
+ io
->Information
);
1436 if (st
.st_dev
!= curdir
.dev
) st
.st_ino
= 0; /* ignore inode if on a different device */
1437 /* all the structures start with a FileDirectoryInformation layout */
1438 fill_file_info( &st
, attributes
, info
, class );
1439 info
->dir
.NextEntryOffset
= total_len
;
1440 info
->dir
.FileIndex
= 0; /* NTFS always has 0 here, so let's not bother with it */
1444 case FileDirectoryInformation
:
1445 info
->dir
.FileNameLength
= long_len
* sizeof(WCHAR
);
1446 filename
= info
->dir
.FileName
;
1449 case FileFullDirectoryInformation
:
1450 info
->full
.EaSize
= 0; /* FIXME */
1451 info
->full
.FileNameLength
= long_len
* sizeof(WCHAR
);
1452 filename
= info
->full
.FileName
;
1455 case FileIdFullDirectoryInformation
:
1456 info
->id_full
.EaSize
= 0; /* FIXME */
1457 info
->id_full
.FileNameLength
= long_len
* sizeof(WCHAR
);
1458 filename
= info
->id_full
.FileName
;
1461 case FileBothDirectoryInformation
:
1462 info
->both
.EaSize
= 0; /* FIXME */
1463 info
->both
.ShortNameLength
= short_len
* sizeof(WCHAR
);
1464 for (i
= 0; i
< short_len
; i
++) info
->both
.ShortName
[i
] = toupperW(short_nameW
[i
]);
1465 info
->both
.FileNameLength
= long_len
* sizeof(WCHAR
);
1466 filename
= info
->both
.FileName
;
1469 case FileIdBothDirectoryInformation
:
1470 info
->id_both
.EaSize
= 0; /* FIXME */
1471 info
->id_both
.ShortNameLength
= short_len
* sizeof(WCHAR
);
1472 for (i
= 0; i
< short_len
; i
++) info
->id_both
.ShortName
[i
] = toupperW(short_nameW
[i
]);
1473 info
->id_both
.FileNameLength
= long_len
* sizeof(WCHAR
);
1474 filename
= info
->id_both
.FileName
;
1481 memcpy( filename
, long_nameW
, long_len
* sizeof(WCHAR
) );
1482 io
->Information
+= total_len
;
1487 #ifdef VFAT_IOCTL_READDIR_BOTH
1489 /***********************************************************************
1492 * Wrapper for the VFAT ioctl to work around various kernel bugs.
1493 * dir_section must be held by caller.
1495 static KERNEL_DIRENT
*start_vfat_ioctl( int fd
)
1497 static KERNEL_DIRENT
*de
;
1502 SIZE_T size
= 2 * sizeof(*de
) + page_size
;
1505 if (NtAllocateVirtualMemory( GetCurrentProcess(), &addr
, 1, &size
, MEM_RESERVE
, PAGE_READWRITE
))
1507 /* commit only the size needed for the dir entries */
1508 /* this leaves an extra unaccessible page, which should make the kernel */
1509 /* fail with -EFAULT before it stomps all over our memory */
1511 size
= 2 * sizeof(*de
);
1512 NtAllocateVirtualMemory( GetCurrentProcess(), &addr
, 1, &size
, MEM_COMMIT
, PAGE_READWRITE
);
1515 /* set d_reclen to 65535 to work around an AFS kernel bug */
1516 de
[0].d_reclen
= 65535;
1517 res
= ioctl( fd
, VFAT_IOCTL_READDIR_BOTH
, (long)de
);
1520 if (errno
!= ENOENT
) return NULL
; /* VFAT ioctl probably not supported */
1521 de
[0].d_reclen
= 0; /* eof */
1523 else if (!res
&& de
[0].d_reclen
== 65535) return NULL
; /* AFS bug */
1529 /***********************************************************************
1530 * read_directory_vfat
1532 * Read a directory using the VFAT ioctl; helper for NtQueryDirectoryFile.
1534 static int read_directory_vfat( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
1535 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
1536 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
1541 union file_directory_info
*info
, *last_info
= NULL
;
1543 io
->u
.Status
= STATUS_SUCCESS
;
1545 if (restart_scan
) lseek( fd
, 0, SEEK_SET
);
1547 if (length
< max_dir_info_size(class)) /* we may have to return a partial entry here */
1549 off_t old_pos
= lseek( fd
, 0, SEEK_CUR
);
1551 if (!(de
= start_vfat_ioctl( fd
))) return -1; /* not supported */
1553 while (de
[0].d_reclen
)
1555 /* make sure names are null-terminated to work around an x86-64 kernel bug */
1556 len
= min(de
[0].d_reclen
, sizeof(de
[0].d_name
) - 1 );
1557 de
[0].d_name
[len
] = 0;
1558 len
= min(de
[1].d_reclen
, sizeof(de
[1].d_name
) - 1 );
1559 de
[1].d_name
[len
] = 0;
1561 if (de
[1].d_name
[0])
1562 info
= append_entry( buffer
, io
, length
, de
[1].d_name
, de
[0].d_name
, mask
, class );
1564 info
= append_entry( buffer
, io
, length
, de
[0].d_name
, NULL
, mask
, class );
1568 if (io
->u
.Status
== STATUS_BUFFER_OVERFLOW
)
1569 lseek( fd
, old_pos
, SEEK_SET
); /* restore pos to previous entry */
1572 old_pos
= lseek( fd
, 0, SEEK_CUR
);
1573 if (ioctl( fd
, VFAT_IOCTL_READDIR_BOTH
, (long)de
) == -1) break;
1576 else /* we'll only return full entries, no need to worry about overflow */
1578 if (!(de
= start_vfat_ioctl( fd
))) return -1; /* not supported */
1580 while (de
[0].d_reclen
)
1582 /* make sure names are null-terminated to work around an x86-64 kernel bug */
1583 len
= min(de
[0].d_reclen
, sizeof(de
[0].d_name
) - 1 );
1584 de
[0].d_name
[len
] = 0;
1585 len
= min(de
[1].d_reclen
, sizeof(de
[1].d_name
) - 1 );
1586 de
[1].d_name
[len
] = 0;
1588 if (de
[1].d_name
[0])
1589 info
= append_entry( buffer
, io
, length
, de
[1].d_name
, de
[0].d_name
, mask
, class );
1591 info
= append_entry( buffer
, io
, length
, de
[0].d_name
, NULL
, mask
, class );
1595 if (single_entry
) break;
1596 /* check if we still have enough space for the largest possible entry */
1597 if (io
->Information
+ max_dir_info_size(class) > length
) break;
1599 if (ioctl( fd
, VFAT_IOCTL_READDIR_BOTH
, (long)de
) == -1) break;
1603 if (last_info
) last_info
->next
= 0;
1604 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
1607 #endif /* VFAT_IOCTL_READDIR_BOTH */
1611 /***********************************************************************
1612 * read_first_dent_name
1614 * reads name of first or second dentry (if they have inodes).
1616 static char *read_first_dent_name( int which
, int fd
, off_t second_offs
, KERNEL_DIRENT64
*de_first_two
,
1617 char *buffer
, size_t size
, BOOL
*buffer_changed
)
1619 KERNEL_DIRENT64
*de
;
1626 de
= (KERNEL_DIRENT64
*)((char *)de
+ de
->d_reclen
);
1628 return de
->d_ino
? de
->d_name
: NULL
;
1631 *buffer_changed
= TRUE
;
1632 lseek( fd
, which
== 1 ? second_offs
: 0, SEEK_SET
);
1633 res
= getdents64( fd
, buffer
, size
);
1637 de
= (KERNEL_DIRENT64
*)buffer
;
1638 return de
->d_ino
? de
->d_name
: NULL
;
1641 /***********************************************************************
1642 * read_directory_getdents
1644 * Read a directory using the Linux getdents64 system call; helper for NtQueryDirectoryFile.
1646 static int read_directory_getdents( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
1647 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
1648 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
1650 static off_t second_entry_pos
;
1651 static struct file_identity last_dir_id
;
1652 off_t old_pos
= 0, next_pos
;
1653 size_t size
= length
;
1654 char *data
, local_buffer
[8192];
1655 KERNEL_DIRENT64
*de
, *de_first_two
= NULL
;
1656 union file_directory_info
*info
, *last_info
= NULL
;
1657 const char *filename
;
1658 BOOL data_buffer_changed
;
1661 if (size
<= sizeof(local_buffer
) || !(data
= RtlAllocateHeap( GetProcessHeap(), 0, size
)))
1663 size
= sizeof(local_buffer
);
1664 data
= local_buffer
;
1667 if (restart_scan
) lseek( fd
, 0, SEEK_SET
);
1670 old_pos
= lseek( fd
, 0, SEEK_CUR
);
1673 io
->u
.Status
= (errno
== ENOENT
) ? STATUS_NO_MORE_FILES
: FILE_GetNtStatus();
1679 io
->u
.Status
= STATUS_SUCCESS
;
1680 de
= (KERNEL_DIRENT64
*)data
;
1682 /* if old_pos is not 0 we don't know how many entries have been returned already,
1683 * so maintain second_entry_pos to know when to return '..' */
1684 if (old_pos
!= 0 && (last_dir_id
.dev
!= curdir
.dev
|| last_dir_id
.ino
!= curdir
.ino
))
1686 lseek( fd
, 0, SEEK_SET
);
1687 res
= getdents64( fd
, data
, size
);
1690 second_entry_pos
= de
->d_off
;
1691 last_dir_id
= curdir
;
1693 lseek( fd
, old_pos
, SEEK_SET
);
1696 res
= getdents64( fd
, data
, size
);
1699 if (errno
!= ENOSYS
)
1701 io
->u
.Status
= FILE_GetNtStatus();
1707 if (old_pos
== 0 && res
> 0)
1709 second_entry_pos
= de
->d_off
;
1710 last_dir_id
= curdir
;
1711 if (res
> de
->d_reclen
)
1717 res
-= de
->d_reclen
;
1718 next_pos
= de
->d_off
;
1721 /* we must return first 2 entries as "." and "..", but getdents64()
1722 * can return them anywhere, so swap first entries with "." and ".." */
1725 else if (old_pos
== second_entry_pos
)
1727 else if (!strcmp( de
->d_name
, "." ) || !strcmp( de
->d_name
, ".." ))
1729 swap_to
= !strcmp( de
->d_name
, "." ) ? 0 : 1;
1730 data_buffer_changed
= FALSE
;
1732 filename
= read_first_dent_name( swap_to
, fd
, second_entry_pos
, de_first_two
,
1733 data
, size
, &data_buffer_changed
);
1734 if (filename
!= NULL
&& (!strcmp( filename
, "." ) || !strcmp( filename
, ".." )))
1735 filename
= read_first_dent_name( swap_to
^ 1, fd
, second_entry_pos
, NULL
,
1736 data
, size
, &data_buffer_changed
);
1737 if (data_buffer_changed
)
1739 lseek( fd
, next_pos
, SEEK_SET
);
1744 filename
= de
->d_name
;
1746 if (filename
&& (info
= append_entry( buffer
, io
, length
, filename
, NULL
, mask
, class )))
1749 if (io
->u
.Status
== STATUS_BUFFER_OVERFLOW
)
1751 lseek( fd
, old_pos
, SEEK_SET
); /* restore pos to previous entry */
1754 /* check if we still have enough space for the largest possible entry */
1755 if (single_entry
|| io
->Information
+ max_dir_info_size(class) > length
)
1757 if (res
> 0) lseek( fd
, next_pos
, SEEK_SET
); /* set pos to next entry */
1762 /* move on to the next entry */
1763 if (res
> 0) de
= (KERNEL_DIRENT64
*)((char *)de
+ de
->d_reclen
);
1766 res
= getdents64( fd
, data
, size
);
1767 de
= (KERNEL_DIRENT64
*)data
;
1768 de_first_two
= NULL
;
1772 if (last_info
) last_info
->next
= 0;
1773 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
1776 if (data
!= local_buffer
) RtlFreeHeap( GetProcessHeap(), 0, data
);
1780 #elif defined HAVE_GETDIRENTRIES
1782 #ifdef _DARWIN_FEATURE_64_BIT_INODE
1784 /* Darwin doesn't provide a version of getdirentries with support for 64-bit
1785 * inodes. When 64-bit inodes are enabled, the getdirentries symbol is mapped
1786 * to _getdirentries_is_not_available_when_64_bit_inodes_are_in_effect so that
1787 * we get link errors if we try to use it. We still need getdirentries, but we
1788 * don't need it to support 64-bit inodes. So, we use the legacy getdirentries
1789 * with 32-bit inodes. We have to be careful to use a corresponding dirent
1792 int darwin_legacy_getdirentries(int, char *, int, long *) __asm("_getdirentries");
1793 #define getdirentries darwin_legacy_getdirentries
1795 struct darwin_legacy_dirent
{
1797 __uint16_t d_reclen
;
1800 char d_name
[__DARWIN_MAXNAMLEN
+ 1];
1802 #define dirent darwin_legacy_dirent
1806 /***********************************************************************
1807 * wine_getdirentries
1809 * Wrapper for the BSD getdirentries system call to fix a bug in the
1810 * Mac OS X version. For some file systems (at least Apple Filing
1811 * Protocol a.k.a. AFP), getdirentries resets the file position to 0
1812 * when it's about to return 0 (no more entries). So, a subsequent
1813 * getdirentries call starts over at the beginning again, causing an
1816 static inline int wine_getdirentries(int fd
, char *buf
, int nbytes
, long *basep
)
1818 int res
= getdirentries(fd
, buf
, nbytes
, basep
);
1821 lseek(fd
, *basep
, SEEK_SET
);
1826 static inline int dir_reclen(struct dirent
*de
)
1828 #ifdef HAVE_STRUCT_DIRENT_D_RECLEN
1829 return de
->d_reclen
;
1831 return _DIRENT_RECLEN(de
->d_namlen
);
1835 /***********************************************************************
1836 * read_directory_getdirentries
1838 * Read a directory using the BSD getdirentries system call; helper for NtQueryDirectoryFile.
1840 static int read_directory_getdirentries( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
1841 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
1842 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
1845 ULONG_PTR restart_info_pos
= 0;
1846 size_t size
, initial_size
= length
;
1847 int res
, fake_dot_dot
= 1;
1848 char *data
, local_buffer
[8192];
1850 union file_directory_info
*info
, *last_info
= NULL
, *restart_last_info
= NULL
;
1852 size
= initial_size
;
1853 data
= local_buffer
;
1854 if (size
> sizeof(local_buffer
) && !(data
= RtlAllocateHeap( GetProcessHeap(), 0, size
)))
1856 io
->u
.Status
= STATUS_NO_MEMORY
;
1857 return io
->u
.Status
;
1860 if (restart_scan
) lseek( fd
, 0, SEEK_SET
);
1862 io
->u
.Status
= STATUS_SUCCESS
;
1864 /* FIXME: should make sure size is larger than filesystem block size */
1865 res
= wine_getdirentries( fd
, data
, size
, &restart_pos
);
1868 io
->u
.Status
= FILE_GetNtStatus();
1873 de
= (struct dirent
*)data
;
1877 /* check if we got . and .. from getdirentries */
1880 if (!strcmp( de
->d_name
, "." ) && res
> dir_reclen(de
))
1882 struct dirent
*next_de
= (struct dirent
*)(data
+ dir_reclen(de
));
1883 if (!strcmp( next_de
->d_name
, ".." )) fake_dot_dot
= 0;
1886 /* make sure we have enough room for both entries */
1889 const ULONG min_info_size
= dir_info_size( class, 1 ) + dir_info_size( class, 2 );
1890 if (length
< min_info_size
|| single_entry
)
1892 FIXME( "not enough room %u/%u for fake . and .. entries\n", length
, single_entry
);
1899 if ((info
= append_entry( buffer
, io
, length
, ".", NULL
, mask
, class )))
1901 if ((info
= append_entry( buffer
, io
, length
, "..", NULL
, mask
, class )))
1904 restart_last_info
= last_info
;
1905 restart_info_pos
= io
->Information
;
1907 /* check if we still have enough space for the largest possible entry */
1908 if (last_info
&& io
->Information
+ max_dir_info_size(class) > length
)
1910 lseek( fd
, 0, SEEK_SET
); /* reset pos to first entry */
1918 res
-= dir_reclen(de
);
1920 !(fake_dot_dot
&& (!strcmp( de
->d_name
, "." ) || !strcmp( de
->d_name
, ".." ))) &&
1921 ((info
= append_entry( buffer
, io
, length
, de
->d_name
, NULL
, mask
, class ))))
1924 if (io
->u
.Status
== STATUS_BUFFER_OVERFLOW
)
1926 lseek( fd
, (unsigned long)restart_pos
, SEEK_SET
);
1927 if (restart_info_pos
) /* if we have a complete read already, return it */
1929 io
->u
.Status
= STATUS_SUCCESS
;
1930 io
->Information
= restart_info_pos
;
1931 last_info
= restart_last_info
;
1934 /* otherwise restart from the start with a smaller size */
1935 size
= (char *)de
- data
;
1937 io
->Information
= 0;
1941 if (!has_wildcard( mask
)) break;
1942 /* if we have to return but the buffer contains more data, restart with a smaller size */
1943 if (res
> 0 && (single_entry
|| io
->Information
+ max_dir_info_size(class) > length
))
1945 lseek( fd
, (unsigned long)restart_pos
, SEEK_SET
);
1946 size
= (char *)de
+ dir_reclen(de
) - data
;
1947 io
->Information
= restart_info_pos
;
1948 last_info
= restart_last_info
;
1952 /* move on to the next entry */
1955 de
= (struct dirent
*)((char *)de
+ dir_reclen(de
));
1958 if (size
< initial_size
) break; /* already restarted once, give up now */
1959 restart_last_info
= last_info
;
1960 restart_info_pos
= io
->Information
;
1962 res
= wine_getdirentries( fd
, data
, size
, &restart_pos
);
1963 de
= (struct dirent
*)data
;
1966 if (last_info
) last_info
->next
= 0;
1967 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
1970 if (data
!= local_buffer
) RtlFreeHeap( GetProcessHeap(), 0, data
);
1974 #ifdef _DARWIN_FEATURE_64_BIT_INODE
1975 #undef getdirentries
1979 #endif /* HAVE_GETDIRENTRIES */
1982 /***********************************************************************
1983 * read_directory_readdir
1985 * Read a directory using the POSIX readdir interface; helper for NtQueryDirectoryFile.
1987 static void read_directory_readdir( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
1988 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
1989 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
1992 off_t i
, old_pos
= 0;
1994 union file_directory_info
*info
, *last_info
= NULL
;
1996 if (!(dir
= opendir( "." )))
1998 io
->u
.Status
= FILE_GetNtStatus();
2004 old_pos
= lseek( fd
, 0, SEEK_CUR
);
2005 /* skip the right number of entries */
2006 for (i
= 0; i
< old_pos
- 2; i
++)
2008 if (!readdir( dir
))
2011 io
->u
.Status
= STATUS_NO_MORE_FILES
;
2016 io
->u
.Status
= STATUS_SUCCESS
;
2021 info
= append_entry( buffer
, io
, length
, ".", NULL
, mask
, class );
2022 else if (old_pos
== 1)
2023 info
= append_entry( buffer
, io
, length
, "..", NULL
, mask
, class );
2024 else if ((de
= readdir( dir
)))
2026 if (strcmp( de
->d_name
, "." ) && strcmp( de
->d_name
, ".." ))
2027 info
= append_entry( buffer
, io
, length
, de
->d_name
, NULL
, mask
, class );
2037 if (io
->u
.Status
== STATUS_BUFFER_OVERFLOW
)
2039 old_pos
--; /* restore pos to previous entry */
2042 if (single_entry
) break;
2043 /* check if we still have enough space for the largest possible entry */
2044 if (io
->Information
+ max_dir_info_size(class) > length
) break;
2048 lseek( fd
, old_pos
, SEEK_SET
); /* store dir offset as filepos for fd */
2051 if (last_info
) last_info
->next
= 0;
2052 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
2055 /***********************************************************************
2056 * read_directory_stat
2058 * Read a single file from a directory by determining whether the file
2059 * identified by mask exists using stat.
2061 static int read_directory_stat( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
2062 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
2063 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
2065 int unix_len
, ret
, used_default
;
2069 TRACE("trying optimisation for file %s\n", debugstr_us( mask
));
2071 unix_len
= ntdll_wcstoumbs( 0, mask
->Buffer
, mask
->Length
/ sizeof(WCHAR
), NULL
, 0, NULL
, NULL
);
2072 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
+ 1)))
2074 io
->u
.Status
= STATUS_NO_MEMORY
;
2077 ret
= ntdll_wcstoumbs( 0, mask
->Buffer
, mask
->Length
/ sizeof(WCHAR
), unix_name
, unix_len
,
2078 NULL
, &used_default
);
2079 if (ret
> 0 && !used_default
)
2084 lseek( fd
, 0, SEEK_SET
);
2086 else if (lseek( fd
, 0, SEEK_CUR
) != 0)
2088 io
->u
.Status
= STATUS_NO_MORE_FILES
;
2093 ret
= stat( unix_name
, &st
);
2096 union file_directory_info
*info
= append_entry( buffer
, io
, length
, unix_name
, NULL
, NULL
, class );
2100 if (io
->u
.Status
!= STATUS_BUFFER_OVERFLOW
) lseek( fd
, 1, SEEK_CUR
);
2102 else io
->u
.Status
= STATUS_NO_MORE_FILES
;
2108 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2110 TRACE("returning %d\n", ret
);
2116 /******************************************************************************
2117 * NtQueryDirectoryFile [NTDLL.@]
2118 * ZwQueryDirectoryFile [NTDLL.@]
2120 NTSTATUS WINAPI
NtQueryDirectoryFile( HANDLE handle
, HANDLE event
,
2121 PIO_APC_ROUTINE apc_routine
, PVOID apc_context
,
2122 PIO_STATUS_BLOCK io
,
2123 PVOID buffer
, ULONG length
,
2124 FILE_INFORMATION_CLASS info_class
,
2125 BOOLEAN single_entry
,
2126 PUNICODE_STRING mask
,
2127 BOOLEAN restart_scan
)
2129 int cwd
, fd
, needs_close
;
2131 TRACE("(%p %p %p %p %p %p 0x%08x 0x%08x 0x%08x %s 0x%08x\n",
2132 handle
, event
, apc_routine
, apc_context
, io
, buffer
,
2133 length
, info_class
, single_entry
, debugstr_us(mask
),
2136 if (event
|| apc_routine
)
2138 FIXME( "Unsupported yet option\n" );
2139 return io
->u
.Status
= STATUS_NOT_IMPLEMENTED
;
2143 case FileDirectoryInformation
:
2144 case FileBothDirectoryInformation
:
2145 case FileFullDirectoryInformation
:
2146 case FileIdBothDirectoryInformation
:
2147 case FileIdFullDirectoryInformation
:
2148 if (length
< dir_info_size( info_class
, 1 )) return io
->u
.Status
= STATUS_INFO_LENGTH_MISMATCH
;
2149 if (!buffer
) return io
->u
.Status
= STATUS_ACCESS_VIOLATION
;
2152 FIXME( "Unsupported file info class %d\n", info_class
);
2153 return io
->u
.Status
= STATUS_NOT_IMPLEMENTED
;
2156 if ((io
->u
.Status
= server_get_unix_fd( handle
, FILE_LIST_DIRECTORY
, &fd
, &needs_close
, NULL
, NULL
)) != STATUS_SUCCESS
)
2157 return io
->u
.Status
;
2159 io
->Information
= 0;
2161 RtlRunOnceExecuteOnce( &init_once
, init_options
, NULL
, NULL
);
2163 RtlEnterCriticalSection( &dir_section
);
2165 cwd
= open( ".", O_RDONLY
);
2166 if (fchdir( fd
) != -1)
2170 curdir
.dev
= st
.st_dev
;
2171 curdir
.ino
= st
.st_ino
;
2172 #ifdef VFAT_IOCTL_READDIR_BOTH
2173 if ((read_directory_vfat( fd
, io
, buffer
, length
, single_entry
,
2174 mask
, restart_scan
, info_class
)) != -1) goto done
;
2176 if (!has_wildcard( mask
) &&
2177 read_directory_stat( fd
, io
, buffer
, length
, single_entry
,
2178 mask
, restart_scan
, info_class
) != -1) goto done
;
2180 if ((read_directory_getdents( fd
, io
, buffer
, length
, single_entry
,
2181 mask
, restart_scan
, info_class
)) != -1) goto done
;
2182 #elif defined HAVE_GETDIRENTRIES
2183 if ((read_directory_getdirentries( fd
, io
, buffer
, length
, single_entry
,
2184 mask
, restart_scan
, info_class
)) != -1) goto done
;
2186 read_directory_readdir( fd
, io
, buffer
, length
, single_entry
, mask
, restart_scan
, info_class
);
2189 if (cwd
== -1 || fchdir( cwd
) == -1) chdir( "/" );
2191 else io
->u
.Status
= FILE_GetNtStatus();
2193 RtlLeaveCriticalSection( &dir_section
);
2195 if (needs_close
) close( fd
);
2196 if (cwd
!= -1) close( cwd
);
2197 TRACE( "=> %x (%ld)\n", io
->u
.Status
, io
->Information
);
2198 return io
->u
.Status
;
2202 /***********************************************************************
2205 * Find a file in a directory the hard way, by doing a case-insensitive search.
2206 * The file found is appended to unix_name at pos.
2207 * There must be at least MAX_DIR_ENTRY_LEN+2 chars available at pos.
2209 static NTSTATUS
find_file_in_dir( char *unix_name
, int pos
, const WCHAR
*name
, int length
,
2210 BOOLEAN check_case
, BOOLEAN
*is_win_dir
)
2212 WCHAR buffer
[MAX_DIR_ENTRY_LEN
];
2214 BOOLEAN spaces
, is_name_8_dot_3
;
2218 int ret
, used_default
;
2220 /* try a shortcut for this directory */
2222 unix_name
[pos
++] = '/';
2223 ret
= ntdll_wcstoumbs( 0, name
, length
, unix_name
+ pos
, MAX_DIR_ENTRY_LEN
,
2224 NULL
, &used_default
);
2225 /* if we used the default char, the Unix name won't round trip properly back to Unicode */
2226 /* so it cannot match the file we are looking for */
2227 if (ret
>= 0 && !used_default
)
2229 unix_name
[pos
+ ret
] = 0;
2230 if (!stat( unix_name
, &st
))
2232 if (is_win_dir
) *is_win_dir
= is_same_file( &windir
, &st
);
2233 return STATUS_SUCCESS
;
2236 if (check_case
) goto not_found
; /* we want an exact match */
2238 if (pos
> 1) unix_name
[pos
- 1] = 0;
2239 else unix_name
[1] = 0; /* keep the initial slash */
2241 /* check if it fits in 8.3 so that we don't look for short names if we won't need them */
2243 str
.Buffer
= (WCHAR
*)name
;
2244 str
.Length
= length
* sizeof(WCHAR
);
2245 str
.MaximumLength
= str
.Length
;
2246 is_name_8_dot_3
= RtlIsNameLegalDOS8Dot3( &str
, NULL
, &spaces
) && !spaces
;
2247 #ifndef VFAT_IOCTL_READDIR_BOTH
2248 is_name_8_dot_3
= is_name_8_dot_3
&& length
>= 8 && name
[4] == '~';
2251 if (!is_name_8_dot_3
&& !get_dir_case_sensitivity( unix_name
)) goto not_found
;
2253 /* now look for it through the directory */
2255 #ifdef VFAT_IOCTL_READDIR_BOTH
2256 if (is_name_8_dot_3
)
2258 int fd
= open( unix_name
, O_RDONLY
| O_DIRECTORY
);
2263 RtlEnterCriticalSection( &dir_section
);
2264 if ((kde
= start_vfat_ioctl( fd
)))
2266 unix_name
[pos
- 1] = '/';
2267 while (kde
[0].d_reclen
)
2269 /* make sure names are null-terminated to work around an x86-64 kernel bug */
2270 size_t len
= min(kde
[0].d_reclen
, sizeof(kde
[0].d_name
) - 1 );
2271 kde
[0].d_name
[len
] = 0;
2272 len
= min(kde
[1].d_reclen
, sizeof(kde
[1].d_name
) - 1 );
2273 kde
[1].d_name
[len
] = 0;
2275 if (kde
[1].d_name
[0])
2277 ret
= ntdll_umbstowcs( 0, kde
[1].d_name
, strlen(kde
[1].d_name
),
2278 buffer
, MAX_DIR_ENTRY_LEN
);
2279 if (ret
== length
&& !memicmpW( buffer
, name
, length
))
2281 strcpy( unix_name
+ pos
, kde
[1].d_name
);
2282 RtlLeaveCriticalSection( &dir_section
);
2287 ret
= ntdll_umbstowcs( 0, kde
[0].d_name
, strlen(kde
[0].d_name
),
2288 buffer
, MAX_DIR_ENTRY_LEN
);
2289 if (ret
== length
&& !memicmpW( buffer
, name
, length
))
2291 strcpy( unix_name
+ pos
,
2292 kde
[1].d_name
[0] ? kde
[1].d_name
: kde
[0].d_name
);
2293 RtlLeaveCriticalSection( &dir_section
);
2297 if (ioctl( fd
, VFAT_IOCTL_READDIR_BOTH
, (long)kde
) == -1)
2299 RtlLeaveCriticalSection( &dir_section
);
2305 RtlLeaveCriticalSection( &dir_section
);
2308 /* fall through to normal handling */
2310 #endif /* VFAT_IOCTL_READDIR_BOTH */
2312 if (!(dir
= opendir( unix_name
)))
2314 if (errno
== ENOENT
) return STATUS_OBJECT_PATH_NOT_FOUND
;
2315 else return FILE_GetNtStatus();
2317 unix_name
[pos
- 1] = '/';
2318 str
.Buffer
= buffer
;
2319 str
.MaximumLength
= sizeof(buffer
);
2320 while ((de
= readdir( dir
)))
2322 ret
= ntdll_umbstowcs( 0, de
->d_name
, strlen(de
->d_name
), buffer
, MAX_DIR_ENTRY_LEN
);
2323 if (ret
== length
&& !memicmpW( buffer
, name
, length
))
2325 strcpy( unix_name
+ pos
, de
->d_name
);
2330 if (!is_name_8_dot_3
) continue;
2332 str
.Length
= ret
* sizeof(WCHAR
);
2333 if (!RtlIsNameLegalDOS8Dot3( &str
, NULL
, &spaces
) || spaces
)
2335 WCHAR short_nameW
[12];
2336 ret
= hash_short_file_name( &str
, short_nameW
);
2337 if (ret
== length
&& !memicmpW( short_nameW
, name
, length
))
2339 strcpy( unix_name
+ pos
, de
->d_name
);
2348 unix_name
[pos
- 1] = 0;
2349 return STATUS_OBJECT_PATH_NOT_FOUND
;
2352 if (is_win_dir
&& !stat( unix_name
, &st
)) *is_win_dir
= is_same_file( &windir
, &st
);
2353 return STATUS_SUCCESS
;
2359 static const WCHAR catrootW
[] = {'s','y','s','t','e','m','3','2','\\','c','a','t','r','o','o','t',0};
2360 static const WCHAR catroot2W
[] = {'s','y','s','t','e','m','3','2','\\','c','a','t','r','o','o','t','2',0};
2361 static const WCHAR driversstoreW
[] = {'s','y','s','t','e','m','3','2','\\','d','r','i','v','e','r','s','s','t','o','r','e',0};
2362 static const WCHAR driversetcW
[] = {'s','y','s','t','e','m','3','2','\\','d','r','i','v','e','r','s','\\','e','t','c',0};
2363 static const WCHAR logfilesW
[] = {'s','y','s','t','e','m','3','2','\\','l','o','g','f','i','l','e','s',0};
2364 static const WCHAR spoolW
[] = {'s','y','s','t','e','m','3','2','\\','s','p','o','o','l',0};
2365 static const WCHAR system32W
[] = {'s','y','s','t','e','m','3','2',0};
2366 static const WCHAR syswow64W
[] = {'s','y','s','w','o','w','6','4',0};
2367 static const WCHAR sysnativeW
[] = {'s','y','s','n','a','t','i','v','e',0};
2368 static const WCHAR regeditW
[] = {'r','e','g','e','d','i','t','.','e','x','e',0};
2369 static const WCHAR wow_regeditW
[] = {'s','y','s','w','o','w','6','4','\\','r','e','g','e','d','i','t','.','e','x','e',0};
2373 const WCHAR
*source
;
2374 const WCHAR
*dos_target
;
2375 const char *unix_target
;
2378 { catrootW
, NULL
, NULL
},
2379 { catroot2W
, NULL
, NULL
},
2380 { driversstoreW
, NULL
, NULL
},
2381 { driversetcW
, NULL
, NULL
},
2382 { logfilesW
, NULL
, NULL
},
2383 { spoolW
, NULL
, NULL
},
2384 { system32W
, syswow64W
, NULL
},
2385 { sysnativeW
, system32W
, NULL
},
2386 { regeditW
, wow_regeditW
, NULL
}
2389 static unsigned int nb_redirects
;
2392 /***********************************************************************
2393 * get_redirect_target
2395 * Find the target unix name for a redirected dir.
2397 static const char *get_redirect_target( const char *windows_dir
, const WCHAR
*name
)
2399 int used_default
, len
, pos
, win_len
= strlen( windows_dir
);
2400 char *unix_name
, *unix_target
= NULL
;
2403 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, win_len
+ MAX_DIR_ENTRY_LEN
+ 2 )))
2405 memcpy( unix_name
, windows_dir
, win_len
);
2410 const WCHAR
*end
, *next
;
2412 for (end
= name
; *end
; end
++) if (IS_SEPARATOR(*end
)) break;
2413 for (next
= end
; *next
; next
++) if (!IS_SEPARATOR(*next
)) break;
2415 status
= find_file_in_dir( unix_name
, pos
, name
, end
- name
, FALSE
, NULL
);
2416 if (status
== STATUS_OBJECT_PATH_NOT_FOUND
&& !*next
) /* not finding last element is ok */
2418 len
= ntdll_wcstoumbs( 0, name
, end
- name
, unix_name
+ pos
+ 1,
2419 MAX_DIR_ENTRY_LEN
- (pos
- win_len
), NULL
, &used_default
);
2420 if (len
> 0 && !used_default
)
2422 unix_name
[pos
] = '/';
2428 if (status
) goto done
;
2429 pos
+= strlen( unix_name
+ pos
);
2433 if ((unix_target
= RtlAllocateHeap( GetProcessHeap(), 0, pos
- win_len
)))
2434 memcpy( unix_target
, unix_name
+ win_len
+ 1, pos
- win_len
);
2437 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2442 /***********************************************************************
2445 static void init_redirects(void)
2447 UNICODE_STRING nt_name
;
2448 ANSI_STRING unix_name
;
2453 if (!RtlDosPathNameToNtPathName_U( user_shared_data
->NtSystemRoot
, &nt_name
, NULL
, NULL
))
2455 ERR( "can't convert %s\n", debugstr_w(user_shared_data
->NtSystemRoot
) );
2458 status
= wine_nt_to_unix_file_name( &nt_name
, &unix_name
, FILE_OPEN_IF
, FALSE
);
2459 RtlFreeUnicodeString( &nt_name
);
2462 ERR( "cannot open %s (%x)\n", debugstr_w(user_shared_data
->NtSystemRoot
), status
);
2465 if (!stat( unix_name
.Buffer
, &st
))
2467 windir
.dev
= st
.st_dev
;
2468 windir
.ino
= st
.st_ino
;
2469 nb_redirects
= sizeof(redirects
) / sizeof(redirects
[0]);
2470 for (i
= 0; i
< nb_redirects
; i
++)
2472 if (!redirects
[i
].dos_target
) continue;
2473 redirects
[i
].unix_target
= get_redirect_target( unix_name
.Buffer
, redirects
[i
].dos_target
);
2474 TRACE( "%s -> %s\n", debugstr_w(redirects
[i
].source
), redirects
[i
].unix_target
);
2477 RtlFreeAnsiString( &unix_name
);
2482 /***********************************************************************
2485 * Check if path matches a redirect name. If yes, return matched length.
2487 static int match_redirect( const WCHAR
*path
, int len
, const WCHAR
*redir
, BOOLEAN check_case
)
2491 while (i
< len
&& *redir
)
2493 if (IS_SEPARATOR(path
[i
]))
2495 if (*redir
++ != '\\') return 0;
2496 while (i
< len
&& IS_SEPARATOR(path
[i
])) i
++;
2497 continue; /* move on to next path component */
2499 else if (check_case
)
2501 if (path
[i
] != *redir
) return 0;
2505 if (tolowerW(path
[i
]) != tolowerW(*redir
)) return 0;
2510 if (*redir
) return 0;
2511 if (i
< len
&& !IS_SEPARATOR(path
[i
])) return 0;
2512 while (i
< len
&& IS_SEPARATOR(path
[i
])) i
++;
2517 /***********************************************************************
2520 * Retrieve the Unix path corresponding to a redirected path if any.
2522 static int get_redirect_path( char *unix_name
, int pos
, const WCHAR
*name
, int length
, BOOLEAN check_case
)
2527 for (i
= 0; i
< nb_redirects
; i
++)
2529 if ((len
= match_redirect( name
, length
, redirects
[i
].source
, check_case
)))
2531 if (!redirects
[i
].unix_target
) break;
2532 unix_name
[pos
++] = '/';
2533 strcpy( unix_name
+ pos
, redirects
[i
].unix_target
);
2542 /* there are no redirects on 64-bit */
2544 static const unsigned int nb_redirects
= 0;
2546 static int get_redirect_path( char *unix_name
, int pos
, const WCHAR
*name
, int length
, BOOLEAN check_case
)
2553 /***********************************************************************
2554 * DIR_init_windows_dir
2556 void DIR_init_windows_dir( const WCHAR
*win
, const WCHAR
*sys
)
2558 /* FIXME: should probably store paths as NT file names */
2560 RtlCreateUnicodeString( &system_dir
, sys
);
2563 if (is_wow64
) init_redirects();
2568 /******************************************************************************
2571 * Get the Unix path of a DOS device.
2573 static NTSTATUS
get_dos_device( const WCHAR
*name
, UINT name_len
, ANSI_STRING
*unix_name_ret
)
2575 const char *config_dir
= wine_get_config_dir();
2577 char *unix_name
, *new_name
, *dev
;
2581 /* make sure the device name is ASCII */
2582 for (i
= 0; i
< name_len
; i
++)
2583 if (name
[i
] <= 32 || name
[i
] >= 127) return STATUS_BAD_DEVICE_TYPE
;
2585 unix_len
= strlen(config_dir
) + sizeof("/dosdevices/") + name_len
+ 1;
2587 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
)))
2588 return STATUS_NO_MEMORY
;
2590 strcpy( unix_name
, config_dir
);
2591 strcat( unix_name
, "/dosdevices/" );
2592 dev
= unix_name
+ strlen(unix_name
);
2594 for (i
= 0; i
< name_len
; i
++) dev
[i
] = (char)tolowerW(name
[i
]);
2597 /* special case for drive devices */
2598 if (name_len
== 2 && dev
[1] == ':')
2606 if (!stat( unix_name
, &st
))
2608 TRACE( "%s -> %s\n", debugstr_wn(name
,name_len
), debugstr_a(unix_name
) );
2609 unix_name_ret
->Buffer
= unix_name
;
2610 unix_name_ret
->Length
= strlen(unix_name
);
2611 unix_name_ret
->MaximumLength
= unix_len
;
2612 return STATUS_SUCCESS
;
2616 /* now try some defaults for it */
2617 if (!strcmp( dev
, "aux" ))
2619 strcpy( dev
, "com1" );
2622 if (!strcmp( dev
, "prn" ))
2624 strcpy( dev
, "lpt1" );
2627 if (!strcmp( dev
, "nul" ))
2629 strcpy( unix_name
, "/dev/null" );
2630 dev
= NULL
; /* last try */
2635 if (dev
[1] == ':' && dev
[2] == ':') /* drive device */
2637 dev
[2] = 0; /* remove last ':' to get the drive mount point symlink */
2638 new_name
= get_default_drive_device( unix_name
);
2640 else if (!strncmp( dev
, "com", 3 )) new_name
= get_default_com_device( atoi(dev
+ 3 ));
2641 else if (!strncmp( dev
, "lpt", 3 )) new_name
= get_default_lpt_device( atoi(dev
+ 3 ));
2643 if (!new_name
) break;
2645 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2646 unix_name
= new_name
;
2647 unix_len
= strlen(unix_name
) + 1;
2648 dev
= NULL
; /* last try */
2650 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2651 return STATUS_BAD_DEVICE_TYPE
;
2655 /* return the length of the DOS namespace prefix if any */
2656 static inline int get_dos_prefix_len( const UNICODE_STRING
*name
)
2658 static const WCHAR nt_prefixW
[] = {'\\','?','?','\\'};
2659 static const WCHAR dosdev_prefixW
[] = {'\\','D','o','s','D','e','v','i','c','e','s','\\'};
2661 if (name
->Length
> sizeof(nt_prefixW
) &&
2662 !memcmp( name
->Buffer
, nt_prefixW
, sizeof(nt_prefixW
) ))
2663 return sizeof(nt_prefixW
) / sizeof(WCHAR
);
2665 if (name
->Length
> sizeof(dosdev_prefixW
) &&
2666 !memicmpW( name
->Buffer
, dosdev_prefixW
, sizeof(dosdev_prefixW
)/sizeof(WCHAR
) ))
2667 return sizeof(dosdev_prefixW
) / sizeof(WCHAR
);
2673 /******************************************************************************
2676 * Recursively search directories from the dir queue for a given inode.
2678 static NTSTATUS
find_file_id( ANSI_STRING
*unix_name
, ULONGLONG file_id
, dev_t dev
)
2686 while (!(status
= next_dir_in_queue( unix_name
->Buffer
)))
2688 if (!(dir
= opendir( unix_name
->Buffer
))) continue;
2689 TRACE( "searching %s for %s\n", unix_name
->Buffer
, wine_dbgstr_longlong(file_id
) );
2690 pos
= strlen( unix_name
->Buffer
);
2691 if (pos
+ MAX_DIR_ENTRY_LEN
>= unix_name
->MaximumLength
/sizeof(WCHAR
))
2693 char *new = RtlReAllocateHeap( GetProcessHeap(), 0, unix_name
->Buffer
,
2694 unix_name
->MaximumLength
* 2 );
2698 return STATUS_NO_MEMORY
;
2700 unix_name
->MaximumLength
*= 2;
2701 unix_name
->Buffer
= new;
2703 unix_name
->Buffer
[pos
++] = '/';
2704 while ((de
= readdir( dir
)))
2706 if (!strcmp( de
->d_name
, "." ) || !strcmp( de
->d_name
, ".." )) continue;
2707 strcpy( unix_name
->Buffer
+ pos
, de
->d_name
);
2708 if (lstat( unix_name
->Buffer
, &st
) == -1) continue;
2709 if (st
.st_dev
!= dev
) continue;
2710 if (st
.st_ino
== file_id
)
2713 return STATUS_SUCCESS
;
2715 if (!S_ISDIR( st
.st_mode
)) continue;
2716 if ((status
= add_dir_to_queue( unix_name
->Buffer
)) != STATUS_SUCCESS
)
2728 /******************************************************************************
2729 * file_id_to_unix_file_name
2731 * Lookup a file from its file id instead of its name.
2733 NTSTATUS
file_id_to_unix_file_name( const OBJECT_ATTRIBUTES
*attr
, ANSI_STRING
*unix_name
)
2735 enum server_fd_type type
;
2736 int old_cwd
, root_fd
, needs_close
;
2739 struct stat st
, root_st
;
2741 if (attr
->ObjectName
->Length
!= sizeof(ULONGLONG
)) return STATUS_OBJECT_PATH_SYNTAX_BAD
;
2742 if (!attr
->RootDirectory
) return STATUS_INVALID_PARAMETER
;
2743 memcpy( &file_id
, attr
->ObjectName
->Buffer
, sizeof(file_id
) );
2745 unix_name
->MaximumLength
= 2 * MAX_DIR_ENTRY_LEN
+ 4;
2746 if (!(unix_name
->Buffer
= RtlAllocateHeap( GetProcessHeap(), 0, unix_name
->MaximumLength
)))
2747 return STATUS_NO_MEMORY
;
2748 strcpy( unix_name
->Buffer
, "." );
2750 if ((status
= server_get_unix_fd( attr
->RootDirectory
, 0, &root_fd
, &needs_close
, &type
, NULL
)))
2753 if (type
!= FD_TYPE_DIR
)
2755 status
= STATUS_OBJECT_TYPE_MISMATCH
;
2759 fstat( root_fd
, &root_st
);
2760 if (root_st
.st_ino
== file_id
) /* shortcut for "." */
2762 status
= STATUS_SUCCESS
;
2766 RtlEnterCriticalSection( &dir_section
);
2767 if ((old_cwd
= open( ".", O_RDONLY
)) != -1 && fchdir( root_fd
) != -1)
2769 /* shortcut for ".." */
2770 if (!stat( "..", &st
) && st
.st_dev
== root_st
.st_dev
&& st
.st_ino
== file_id
)
2772 strcpy( unix_name
->Buffer
, ".." );
2773 status
= STATUS_SUCCESS
;
2777 status
= add_dir_to_queue( "." );
2779 status
= find_file_id( unix_name
, file_id
, root_st
.st_dev
);
2780 if (!status
) /* get rid of "./" prefix */
2781 memmove( unix_name
->Buffer
, unix_name
->Buffer
+ 2, strlen(unix_name
->Buffer
) - 1 );
2784 if (fchdir( old_cwd
) == -1) chdir( "/" );
2786 else status
= FILE_GetNtStatus();
2787 RtlLeaveCriticalSection( &dir_section
);
2788 if (old_cwd
!= -1) close( old_cwd
);
2791 if (status
== STATUS_SUCCESS
)
2793 TRACE( "%s -> %s\n", wine_dbgstr_longlong(file_id
), debugstr_a(unix_name
->Buffer
) );
2794 unix_name
->Length
= strlen( unix_name
->Buffer
);
2798 TRACE( "%s not found in dir %p\n", wine_dbgstr_longlong(file_id
), attr
->RootDirectory
);
2799 RtlFreeHeap( GetProcessHeap(), 0, unix_name
->Buffer
);
2801 if (needs_close
) close( root_fd
);
2806 /******************************************************************************
2809 * Helper for nt_to_unix_file_name
2811 static NTSTATUS
lookup_unix_name( const WCHAR
*name
, int name_len
, char **buffer
, int unix_len
, int pos
,
2812 UINT disposition
, BOOLEAN check_case
)
2815 int ret
, used_default
, len
;
2817 char *unix_name
= *buffer
;
2818 const BOOL redirect
= nb_redirects
&& ntdll_get_thread_data()->wow64_redir
;
2820 /* try a shortcut first */
2822 ret
= ntdll_wcstoumbs( 0, name
, name_len
, unix_name
+ pos
, unix_len
- pos
- 1,
2823 NULL
, &used_default
);
2825 while (name_len
&& IS_SEPARATOR(*name
))
2831 if (ret
>= 0 && !used_default
) /* if we used the default char the name didn't convert properly */
2834 unix_name
[pos
+ ret
] = 0;
2835 for (p
= unix_name
+ pos
; *p
; p
++) if (*p
== '\\') *p
= '/';
2836 if (!redirect
|| (!strstr( unix_name
, "/windows/") && strncmp( unix_name
, "windows/", 8 )))
2838 if (!stat( unix_name
, &st
))
2840 /* creation fails with STATUS_ACCESS_DENIED for the root of the drive */
2841 if (disposition
== FILE_CREATE
)
2842 return name_len
? STATUS_OBJECT_NAME_COLLISION
: STATUS_ACCESS_DENIED
;
2843 return STATUS_SUCCESS
;
2848 if (!name_len
) /* empty name -> drive root doesn't exist */
2849 return STATUS_OBJECT_PATH_NOT_FOUND
;
2850 if (check_case
&& !redirect
&& (disposition
== FILE_OPEN
|| disposition
== FILE_OVERWRITE
))
2851 return STATUS_OBJECT_NAME_NOT_FOUND
;
2853 /* now do it component by component */
2857 const WCHAR
*end
, *next
;
2858 BOOLEAN is_win_dir
= FALSE
;
2861 while (end
< name
+ name_len
&& !IS_SEPARATOR(*end
)) end
++;
2863 while (next
< name
+ name_len
&& IS_SEPARATOR(*next
)) next
++;
2864 name_len
-= next
- name
;
2866 /* grow the buffer if needed */
2868 if (unix_len
- pos
< MAX_DIR_ENTRY_LEN
+ 2)
2871 unix_len
+= 2 * MAX_DIR_ENTRY_LEN
;
2872 if (!(new_name
= RtlReAllocateHeap( GetProcessHeap(), 0, unix_name
, unix_len
)))
2873 return STATUS_NO_MEMORY
;
2874 unix_name
= *buffer
= new_name
;
2877 status
= find_file_in_dir( unix_name
, pos
, name
, end
- name
,
2878 check_case
, redirect
? &is_win_dir
: NULL
);
2880 /* if this is the last element, not finding it is not necessarily fatal */
2883 if (status
== STATUS_OBJECT_PATH_NOT_FOUND
)
2885 status
= STATUS_OBJECT_NAME_NOT_FOUND
;
2886 if (disposition
!= FILE_OPEN
&& disposition
!= FILE_OVERWRITE
)
2888 ret
= ntdll_wcstoumbs( 0, name
, end
- name
, unix_name
+ pos
+ 1,
2889 MAX_DIR_ENTRY_LEN
, NULL
, &used_default
);
2890 if (ret
> 0 && !used_default
)
2892 unix_name
[pos
] = '/';
2893 unix_name
[pos
+ 1 + ret
] = 0;
2894 status
= STATUS_NO_SUCH_FILE
;
2899 else if (status
== STATUS_SUCCESS
&& disposition
== FILE_CREATE
)
2901 status
= STATUS_OBJECT_NAME_COLLISION
;
2905 if (status
!= STATUS_SUCCESS
) break;
2907 pos
+= strlen( unix_name
+ pos
);
2910 if (is_win_dir
&& (len
= get_redirect_path( unix_name
, pos
, name
, name_len
, check_case
)))
2914 pos
+= strlen( unix_name
+ pos
);
2915 TRACE( "redirecting -> %s + %s\n", debugstr_a(unix_name
), debugstr_w(name
) );
2923 /******************************************************************************
2924 * nt_to_unix_file_name_attr
2926 NTSTATUS
nt_to_unix_file_name_attr( const OBJECT_ATTRIBUTES
*attr
, ANSI_STRING
*unix_name_ret
,
2929 static const WCHAR invalid_charsW
[] = { INVALID_NT_CHARS
, 0 };
2930 enum server_fd_type type
;
2931 int old_cwd
, root_fd
, needs_close
;
2932 const WCHAR
*name
, *p
;
2934 int name_len
, unix_len
;
2936 BOOLEAN check_case
= !(attr
->Attributes
& OBJ_CASE_INSENSITIVE
);
2938 if (!attr
->RootDirectory
) /* without root dir fall back to normal lookup */
2939 return wine_nt_to_unix_file_name( attr
->ObjectName
, unix_name_ret
, disposition
, check_case
);
2941 name
= attr
->ObjectName
->Buffer
;
2942 name_len
= attr
->ObjectName
->Length
/ sizeof(WCHAR
);
2944 if (name_len
&& IS_SEPARATOR(name
[0])) return STATUS_INVALID_PARAMETER
;
2946 /* check for invalid characters */
2947 for (p
= name
; p
< name
+ name_len
; p
++)
2948 if (*p
< 32 || strchrW( invalid_charsW
, *p
)) return STATUS_OBJECT_NAME_INVALID
;
2950 unix_len
= ntdll_wcstoumbs( 0, name
, name_len
, NULL
, 0, NULL
, NULL
);
2951 unix_len
+= MAX_DIR_ENTRY_LEN
+ 3;
2952 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
)))
2953 return STATUS_NO_MEMORY
;
2956 if (!(status
= server_get_unix_fd( attr
->RootDirectory
, 0, &root_fd
, &needs_close
, &type
, NULL
)))
2958 if (type
!= FD_TYPE_DIR
)
2960 if (needs_close
) close( root_fd
);
2961 status
= STATUS_BAD_DEVICE_TYPE
;
2965 RtlEnterCriticalSection( &dir_section
);
2966 if ((old_cwd
= open( ".", O_RDONLY
)) != -1 && fchdir( root_fd
) != -1)
2968 status
= lookup_unix_name( name
, name_len
, &unix_name
, unix_len
, 1,
2969 disposition
, check_case
);
2970 if (fchdir( old_cwd
) == -1) chdir( "/" );
2972 else status
= FILE_GetNtStatus();
2973 RtlLeaveCriticalSection( &dir_section
);
2974 if (old_cwd
!= -1) close( old_cwd
);
2975 if (needs_close
) close( root_fd
);
2978 else if (status
== STATUS_OBJECT_TYPE_MISMATCH
) status
= STATUS_BAD_DEVICE_TYPE
;
2980 if (status
== STATUS_SUCCESS
|| status
== STATUS_NO_SUCH_FILE
)
2982 TRACE( "%s -> %s\n", debugstr_us(attr
->ObjectName
), debugstr_a(unix_name
) );
2983 unix_name_ret
->Buffer
= unix_name
;
2984 unix_name_ret
->Length
= strlen(unix_name
);
2985 unix_name_ret
->MaximumLength
= unix_len
;
2989 TRACE( "%s not found in %s\n", debugstr_w(name
), unix_name
);
2990 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2996 /******************************************************************************
2997 * wine_nt_to_unix_file_name (NTDLL.@) Not a Windows API
2999 * Convert a file name from NT namespace to Unix namespace.
3001 * If disposition is not FILE_OPEN or FILE_OVERWRITE, the last path
3002 * element doesn't have to exist; in that case STATUS_NO_SUCH_FILE is
3003 * returned, but the unix name is still filled in properly.
3005 NTSTATUS CDECL
wine_nt_to_unix_file_name( const UNICODE_STRING
*nameW
, ANSI_STRING
*unix_name_ret
,
3006 UINT disposition
, BOOLEAN check_case
)
3008 static const WCHAR unixW
[] = {'u','n','i','x'};
3009 static const WCHAR invalid_charsW
[] = { INVALID_NT_CHARS
, 0 };
3011 NTSTATUS status
= STATUS_SUCCESS
;
3012 const char *config_dir
= wine_get_config_dir();
3013 const WCHAR
*name
, *p
;
3016 int pos
, ret
, name_len
, unix_len
, prefix_len
, used_default
;
3017 WCHAR prefix
[MAX_DIR_ENTRY_LEN
];
3018 BOOLEAN is_unix
= FALSE
;
3020 name
= nameW
->Buffer
;
3021 name_len
= nameW
->Length
/ sizeof(WCHAR
);
3023 if (!name_len
|| !IS_SEPARATOR(name
[0])) return STATUS_OBJECT_PATH_SYNTAX_BAD
;
3025 if (!(pos
= get_dos_prefix_len( nameW
)))
3026 return STATUS_BAD_DEVICE_TYPE
; /* no DOS prefix, assume NT native name */
3031 /* check for sub-directory */
3032 for (pos
= 0; pos
< name_len
; pos
++)
3034 if (IS_SEPARATOR(name
[pos
])) break;
3035 if (name
[pos
] < 32 || strchrW( invalid_charsW
, name
[pos
] ))
3036 return STATUS_OBJECT_NAME_INVALID
;
3038 if (pos
> MAX_DIR_ENTRY_LEN
)
3039 return STATUS_OBJECT_NAME_INVALID
;
3041 if (pos
== name_len
) /* no subdir, plain DOS device */
3042 return get_dos_device( name
, name_len
, unix_name_ret
);
3044 for (prefix_len
= 0; prefix_len
< pos
; prefix_len
++)
3045 prefix
[prefix_len
] = tolowerW(name
[prefix_len
]);
3048 name_len
-= prefix_len
;
3050 /* check for invalid characters (all chars except 0 are valid for unix) */
3051 is_unix
= (prefix_len
== 4 && !memcmp( prefix
, unixW
, sizeof(unixW
) ));
3054 for (p
= name
; p
< name
+ name_len
; p
++)
3055 if (!*p
) return STATUS_OBJECT_NAME_INVALID
;
3060 for (p
= name
; p
< name
+ name_len
; p
++)
3061 if (*p
< 32 || strchrW( invalid_charsW
, *p
)) return STATUS_OBJECT_NAME_INVALID
;
3064 unix_len
= ntdll_wcstoumbs( 0, prefix
, prefix_len
, NULL
, 0, NULL
, NULL
);
3065 unix_len
+= ntdll_wcstoumbs( 0, name
, name_len
, NULL
, 0, NULL
, NULL
);
3066 unix_len
+= MAX_DIR_ENTRY_LEN
+ 3;
3067 unix_len
+= strlen(config_dir
) + sizeof("/dosdevices/");
3068 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
)))
3069 return STATUS_NO_MEMORY
;
3070 strcpy( unix_name
, config_dir
);
3071 strcat( unix_name
, "/dosdevices/" );
3072 pos
= strlen(unix_name
);
3074 ret
= ntdll_wcstoumbs( 0, prefix
, prefix_len
, unix_name
+ pos
, unix_len
- pos
- 1,
3075 NULL
, &used_default
);
3076 if (!ret
|| used_default
)
3078 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
3079 return STATUS_OBJECT_NAME_INVALID
;
3083 /* check if prefix exists (except for DOS drives to avoid extra stat calls) */
3085 if (prefix_len
!= 2 || prefix
[1] != ':')
3088 if (lstat( unix_name
, &st
) == -1 && errno
== ENOENT
)
3092 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
3093 return STATUS_BAD_DEVICE_TYPE
;
3095 pos
= 0; /* fall back to unix root */
3099 status
= lookup_unix_name( name
, name_len
, &unix_name
, unix_len
, pos
, disposition
, check_case
);
3100 if (status
== STATUS_SUCCESS
|| status
== STATUS_NO_SUCH_FILE
)
3102 TRACE( "%s -> %s\n", debugstr_us(nameW
), debugstr_a(unix_name
) );
3103 unix_name_ret
->Buffer
= unix_name
;
3104 unix_name_ret
->Length
= strlen(unix_name
);
3105 unix_name_ret
->MaximumLength
= unix_len
;
3109 TRACE( "%s not found in %s\n", debugstr_w(name
), unix_name
);
3110 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
3116 /******************************************************************
3117 * RtlWow64EnableFsRedirection (NTDLL.@)
3119 NTSTATUS WINAPI
RtlWow64EnableFsRedirection( BOOLEAN enable
)
3121 if (!is_wow64
) return STATUS_NOT_IMPLEMENTED
;
3122 ntdll_get_thread_data()->wow64_redir
= enable
;
3123 return STATUS_SUCCESS
;
3127 /******************************************************************
3128 * RtlWow64EnableFsRedirectionEx (NTDLL.@)
3130 NTSTATUS WINAPI
RtlWow64EnableFsRedirectionEx( ULONG disable
, ULONG
*old_value
)
3132 if (!is_wow64
) return STATUS_NOT_IMPLEMENTED
;
3133 if (((ULONG_PTR
)old_value
>> 16) == 0) return STATUS_ACCESS_VIOLATION
;
3135 *old_value
= !ntdll_get_thread_data()->wow64_redir
;
3136 ntdll_get_thread_data()->wow64_redir
= !disable
;
3137 return STATUS_SUCCESS
;
3141 /******************************************************************
3142 * RtlDoesFileExists_U (NTDLL.@)
3144 BOOLEAN WINAPI
RtlDoesFileExists_U(LPCWSTR file_name
)
3146 UNICODE_STRING nt_name
;
3147 FILE_BASIC_INFORMATION basic_info
;
3148 OBJECT_ATTRIBUTES attr
;
3151 if (!RtlDosPathNameToNtPathName_U( file_name
, &nt_name
, NULL
, NULL
)) return FALSE
;
3153 attr
.Length
= sizeof(attr
);
3154 attr
.RootDirectory
= 0;
3155 attr
.ObjectName
= &nt_name
;
3156 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
3157 attr
.SecurityDescriptor
= NULL
;
3158 attr
.SecurityQualityOfService
= NULL
;
3160 ret
= NtQueryAttributesFile(&attr
, &basic_info
) == STATUS_SUCCESS
;
3162 RtlFreeUnicodeString( &nt_name
);
3167 /***********************************************************************
3168 * DIR_unmount_device
3170 * Unmount the specified device.
3172 NTSTATUS
DIR_unmount_device( HANDLE handle
)
3175 int unix_fd
, needs_close
;
3177 if (!(status
= server_get_unix_fd( handle
, 0, &unix_fd
, &needs_close
, NULL
, NULL
)))
3180 char *mount_point
= NULL
;
3182 if (fstat( unix_fd
, &st
) == -1 || !is_valid_mounted_device( &st
))
3183 status
= STATUS_INVALID_PARAMETER
;
3186 if ((mount_point
= get_device_mount_point( st
.st_rdev
)))
3189 static const char umount
[] = "diskutil unmount >/dev/null 2>&1 ";
3191 static const char umount
[] = "umount >/dev/null 2>&1 ";
3193 char *cmd
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(mount_point
)+sizeof(umount
));
3196 strcpy( cmd
, umount
);
3197 strcat( cmd
, mount_point
);
3199 RtlFreeHeap( GetProcessHeap(), 0, cmd
);
3201 /* umount will fail to release the loop device since we still have
3202 a handle to it, so we release it here */
3203 if (major(st
.st_rdev
) == LOOP_MAJOR
) ioctl( unix_fd
, 0x4c01 /*LOOP_CLR_FD*/, 0 );
3206 RtlFreeHeap( GetProcessHeap(), 0, mount_point
);
3209 if (needs_close
) close( unix_fd
);
3215 /******************************************************************************
3218 * Retrieve the Unix name of the current directory; helper for wine_unix_to_nt_file_name.
3219 * Returned value must be freed by caller.
3221 NTSTATUS
DIR_get_unix_cwd( char **cwd
)
3223 int old_cwd
, unix_fd
, needs_close
;
3228 RtlAcquirePebLock();
3230 if (NtCurrentTeb()->Tib
.SubSystemTib
) /* FIXME: hack */
3231 curdir
= &((WIN16_SUBSYSTEM_TIB
*)NtCurrentTeb()->Tib
.SubSystemTib
)->curdir
;
3233 curdir
= &NtCurrentTeb()->Peb
->ProcessParameters
->CurrentDirectory
;
3235 if (!(handle
= curdir
->Handle
))
3237 UNICODE_STRING dirW
;
3238 OBJECT_ATTRIBUTES attr
;
3241 if (!RtlDosPathNameToNtPathName_U( curdir
->DosPath
.Buffer
, &dirW
, NULL
, NULL
))
3243 status
= STATUS_OBJECT_NAME_INVALID
;
3246 attr
.Length
= sizeof(attr
);
3247 attr
.RootDirectory
= 0;
3248 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
3249 attr
.ObjectName
= &dirW
;
3250 attr
.SecurityDescriptor
= NULL
;
3251 attr
.SecurityQualityOfService
= NULL
;
3253 status
= NtOpenFile( &handle
, 0, &attr
, &io
, 0,
3254 FILE_DIRECTORY_FILE
| FILE_SYNCHRONOUS_IO_NONALERT
);
3255 RtlFreeUnicodeString( &dirW
);
3256 if (status
!= STATUS_SUCCESS
) goto done
;
3259 if ((status
= server_get_unix_fd( handle
, 0, &unix_fd
, &needs_close
, NULL
, NULL
)) == STATUS_SUCCESS
)
3261 RtlEnterCriticalSection( &dir_section
);
3263 if ((old_cwd
= open(".", O_RDONLY
)) != -1 && fchdir( unix_fd
) != -1)
3265 unsigned int size
= 512;
3269 if (!(*cwd
= RtlAllocateHeap( GetProcessHeap(), 0, size
)))
3271 status
= STATUS_NO_MEMORY
;
3274 if (getcwd( *cwd
, size
)) break;
3275 RtlFreeHeap( GetProcessHeap(), 0, *cwd
);
3276 if (errno
!= ERANGE
)
3278 status
= STATUS_OBJECT_PATH_INVALID
;
3283 if (fchdir( old_cwd
) == -1) chdir( "/" );
3285 else status
= FILE_GetNtStatus();
3287 RtlLeaveCriticalSection( &dir_section
);
3288 if (old_cwd
!= -1) close( old_cwd
);
3289 if (needs_close
) close( unix_fd
);
3291 if (!curdir
->Handle
) NtClose( handle
);
3294 RtlReleasePebLock();