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_VNODE_H
51 /* Work around a conflict with Solaris' system list defined in sys/list.h. */
53 #define list_next SYSLIST_NEXT
54 #define list_prev SYSLIST_PREV
55 #define list_head SYSLIST_HEAD
56 #define list_tail SYSLIST_TAIL
57 #define list_move_tail SYSLIST_MOVE_TAIL
58 #define list_remove SYSLIST_REMOVE
59 #include <sys/vnode.h>
68 #ifdef HAVE_SYS_IOCTL_H
69 #include <sys/ioctl.h>
71 #ifdef HAVE_LINUX_IOCTL_H
72 #include <linux/ioctl.h>
74 #ifdef HAVE_LINUX_MAJOR_H
75 # include <linux/major.h>
77 #ifdef HAVE_SYS_PARAM_H
78 #include <sys/param.h>
80 #ifdef HAVE_SYS_MOUNT_H
81 #include <sys/mount.h>
83 #ifdef HAVE_SYS_STATFS_H
84 #include <sys/statfs.h>
92 #define WIN32_NO_STATUS
93 #define NONAMELESSUNION
98 #include "ntdll_misc.h"
99 #include "wine/unicode.h"
100 #include "wine/server.h"
101 #include "wine/list.h"
102 #include "wine/library.h"
103 #include "wine/debug.h"
105 WINE_DEFAULT_DEBUG_CHANNEL(file
);
107 /* just in case... */
108 #undef VFAT_IOCTL_READDIR_BOTH
113 /* We want the real kernel dirent structure, not the libc one */
118 unsigned short d_reclen
;
122 /* Define the VFAT ioctl to get both short and long file names */
123 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, KERNEL_DIRENT [2] )
126 # define O_DIRECTORY 0200000 /* must be directory */
129 #ifdef __NR_getdents64
134 unsigned short d_reclen
;
135 unsigned char d_type
;
140 static inline int getdents64( int fd
, char *de
, unsigned int size
)
142 return syscall( __NR_getdents64
, fd
, de
, size
);
149 #define IS_OPTION_TRUE(ch) ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
150 #define IS_SEPARATOR(ch) ((ch) == '\\' || (ch) == '/')
152 #define INVALID_NT_CHARS '*','?','<','>','|','"'
153 #define INVALID_DOS_CHARS INVALID_NT_CHARS,'+','=',',',';','[',']',' ','\345'
155 #define MAX_DIR_ENTRY_LEN 255 /* max length of a directory entry in chars */
157 #define MAX_IGNORED_FILES 4
165 static struct file_identity ignored_files
[MAX_IGNORED_FILES
];
166 static unsigned int ignored_files_count
;
168 union file_directory_info
171 FILE_DIRECTORY_INFORMATION dir
;
172 FILE_BOTH_DIRECTORY_INFORMATION both
;
173 FILE_FULL_DIRECTORY_INFORMATION full
;
174 FILE_ID_BOTH_DIRECTORY_INFORMATION id_both
;
175 FILE_ID_FULL_DIRECTORY_INFORMATION id_full
;
178 static BOOL show_dot_files
;
179 static RTL_RUN_ONCE init_once
= RTL_RUN_ONCE_INIT
;
181 /* at some point we may want to allow Winelib apps to set this */
182 static const BOOL is_case_sensitive
= FALSE
;
184 UNICODE_STRING system_dir
= { 0, 0, NULL
}; /* system directory */
186 static struct file_identity curdir
;
187 static struct file_identity windir
;
189 static RTL_CRITICAL_SECTION dir_section
;
190 static RTL_CRITICAL_SECTION_DEBUG critsect_debug
=
193 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
194 0, 0, { (DWORD_PTR
)(__FILE__
": dir_section") }
196 static RTL_CRITICAL_SECTION dir_section
= { &critsect_debug
, -1, 0, 0, 0, 0 };
199 /* check if a given Unicode char is OK in a DOS short name */
200 static inline BOOL
is_invalid_dos_char( WCHAR ch
)
202 static const WCHAR invalid_chars
[] = { INVALID_DOS_CHARS
,'~','.',0 };
203 if (ch
> 0x7f) return TRUE
;
204 return strchrW( invalid_chars
, ch
) != NULL
;
207 /* check if the device can be a mounted volume */
208 static inline BOOL
is_valid_mounted_device( const struct stat
*st
)
210 #if defined(linux) || defined(__sun__)
211 return S_ISBLK( st
->st_mode
);
213 /* disks are char devices on *BSD */
214 return S_ISCHR( st
->st_mode
);
218 static inline void ignore_file( const char *name
)
221 assert( ignored_files_count
< MAX_IGNORED_FILES
);
222 if (!stat( name
, &st
))
224 ignored_files
[ignored_files_count
].dev
= st
.st_dev
;
225 ignored_files
[ignored_files_count
].ino
= st
.st_ino
;
226 ignored_files_count
++;
230 static inline BOOL
is_same_file( const struct file_identity
*file
, const struct stat
*st
)
232 return st
->st_dev
== file
->dev
&& st
->st_ino
== file
->ino
;
235 static inline BOOL
is_ignored_file( const struct stat
*st
)
239 for (i
= 0; i
< ignored_files_count
; i
++)
240 if (is_same_file( &ignored_files
[i
], st
)) return TRUE
;
244 static inline unsigned int dir_info_size( FILE_INFORMATION_CLASS
class, unsigned int len
)
248 case FileDirectoryInformation
:
249 return (FIELD_OFFSET( FILE_DIRECTORY_INFORMATION
, FileName
[len
] ) + 7) & ~7;
250 case FileBothDirectoryInformation
:
251 return (FIELD_OFFSET( FILE_BOTH_DIRECTORY_INFORMATION
, FileName
[len
] ) + 7) & ~7;
252 case FileFullDirectoryInformation
:
253 return (FIELD_OFFSET( FILE_FULL_DIRECTORY_INFORMATION
, FileName
[len
] ) + 7) & ~7;
254 case FileIdBothDirectoryInformation
:
255 return (FIELD_OFFSET( FILE_ID_BOTH_DIRECTORY_INFORMATION
, FileName
[len
] ) + 7) & ~7;
256 case FileIdFullDirectoryInformation
:
257 return (FIELD_OFFSET( FILE_ID_FULL_DIRECTORY_INFORMATION
, FileName
[len
] ) + 7) & ~7;
264 static inline unsigned int max_dir_info_size( FILE_INFORMATION_CLASS
class )
266 return dir_info_size( class, MAX_DIR_ENTRY_LEN
);
269 static inline BOOL
has_wildcard( const UNICODE_STRING
*mask
)
272 memchrW( mask
->Buffer
, '*', mask
->Length
/ sizeof(WCHAR
) ) ||
273 memchrW( mask
->Buffer
, '?', mask
->Length
/ sizeof(WCHAR
) ));
277 /* support for a directory queue for filesystem searches */
285 static struct list dir_queue
= LIST_INIT( dir_queue
);
287 static NTSTATUS
add_dir_to_queue( const char *name
)
289 int len
= strlen( name
) + 1;
290 struct dir_name
*dir
= RtlAllocateHeap( GetProcessHeap(), 0,
291 FIELD_OFFSET( struct dir_name
, name
[len
] ));
292 if (!dir
) return STATUS_NO_MEMORY
;
293 strcpy( dir
->name
, name
);
294 list_add_tail( &dir_queue
, &dir
->entry
);
295 return STATUS_SUCCESS
;
298 static NTSTATUS
next_dir_in_queue( char *name
)
300 struct list
*head
= list_head( &dir_queue
);
303 struct dir_name
*dir
= LIST_ENTRY( head
, struct dir_name
, entry
);
304 strcpy( name
, dir
->name
);
305 list_remove( &dir
->entry
);
306 RtlFreeHeap( GetProcessHeap(), 0, dir
);
307 return STATUS_SUCCESS
;
309 return STATUS_OBJECT_NAME_NOT_FOUND
;
312 static void flush_dir_queue(void)
316 while ((head
= list_head( &dir_queue
)))
318 struct dir_name
*dir
= LIST_ENTRY( head
, struct dir_name
, entry
);
319 list_remove( &dir
->entry
);
320 RtlFreeHeap( GetProcessHeap(), 0, dir
);
325 /***********************************************************************
326 * get_default_com_device
328 * Return the default device to use for serial ports.
330 static char *get_default_com_device( int num
)
334 if (!num
|| num
> 9) return ret
;
336 ret
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/ttyS0") );
339 strcpy( ret
, "/dev/ttyS0" );
340 ret
[strlen(ret
) - 1] = '0' + num
- 1;
342 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
343 ret
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/cuau0") );
346 strcpy( ret
, "/dev/cuau0" );
347 ret
[strlen(ret
) - 1] = '0' + num
- 1;
349 #elif defined(__DragonFly__)
350 ret
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/cuaa0") );
353 strcpy( ret
, "/dev/cuaa0" );
354 ret
[strlen(ret
) - 1] = '0' + num
- 1;
357 FIXME( "no known default for device com%d\n", num
);
363 /***********************************************************************
364 * get_default_lpt_device
366 * Return the default device to use for parallel ports.
368 static char *get_default_lpt_device( int num
)
372 if (!num
|| num
> 9) return ret
;
374 ret
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/lp0") );
377 strcpy( ret
, "/dev/lp0" );
378 ret
[strlen(ret
) - 1] = '0' + num
- 1;
381 FIXME( "no known default for device lpt%d\n", num
);
388 static char *unescape_field( char *str
)
392 for (in
= out
= str
; *in
; in
++, out
++)
402 else if (in
[1] == '0' && in
[2] == '4' && in
[3] == '0')
407 else if (in
[1] == '0' && in
[2] == '1' && in
[3] == '1')
412 else if (in
[1] == '0' && in
[2] == '1' && in
[3] == '2')
417 else if (in
[1] == '1' && in
[2] == '3' && in
[3] == '4')
429 static inline char *get_field( char **str
)
433 ret
= strsep( str
, " \t" );
434 if (*str
) *str
+= strspn( *str
, " \t" );
438 /************************************************************************
439 * getmntent_replacement
441 * getmntent replacement for Android.
443 * NB returned static buffer is not thread safe; protect with dir_section.
445 static struct mntent
*getmntent_replacement( FILE *f
)
447 static struct mntent entry
;
448 static char buf
[4096];
453 if (!fgets( buf
, sizeof(buf
), f
)) return NULL
;
454 p
= strchr( buf
, '\n' );
456 else /* Partially unread line, move file ptr to end */
459 while (fgets( tmp
, sizeof(tmp
), f
))
460 if (strchr( tmp
, '\n' )) break;
462 start
= buf
+ strspn( buf
, " \t" );
463 } while (start
[0] == '\0' || start
[0] == '#');
465 p
= get_field( &start
);
466 entry
.mnt_fsname
= p
? unescape_field( p
) : (char *)"";
468 p
= get_field( &start
);
469 entry
.mnt_dir
= p
? unescape_field( p
) : (char *)"";
471 p
= get_field( &start
);
472 entry
.mnt_type
= p
? unescape_field( p
) : (char *)"";
474 p
= get_field( &start
);
475 entry
.mnt_opts
= p
? unescape_field( p
) : (char *)"";
477 p
= get_field( &start
);
478 entry
.mnt_freq
= p
? atoi(p
) : 0;
480 p
= get_field( &start
);
481 entry
.mnt_passno
= p
? atoi(p
) : 0;
485 #define getmntent getmntent_replacement
488 /***********************************************************************
489 * DIR_get_drives_info
491 * Retrieve device/inode number for all the drives. Helper for find_drive_root.
493 unsigned int DIR_get_drives_info( struct drive_info info
[MAX_DOS_DRIVES
] )
495 static struct drive_info cache
[MAX_DOS_DRIVES
];
496 static time_t last_update
;
497 static unsigned int nb_drives
;
499 time_t now
= time(NULL
);
501 RtlEnterCriticalSection( &dir_section
);
502 if (now
!= last_update
)
504 const char *config_dir
= wine_get_config_dir();
509 if ((buffer
= RtlAllocateHeap( GetProcessHeap(), 0,
510 strlen(config_dir
) + sizeof("/dosdevices/a:") )))
512 strcpy( buffer
, config_dir
);
513 strcat( buffer
, "/dosdevices/a:" );
514 p
= buffer
+ strlen(buffer
) - 2;
516 for (i
= nb_drives
= 0; i
< MAX_DOS_DRIVES
; i
++)
519 if (!stat( buffer
, &st
))
521 cache
[i
].dev
= st
.st_dev
;
522 cache
[i
].ino
= st
.st_ino
;
531 RtlFreeHeap( GetProcessHeap(), 0, buffer
);
535 memcpy( info
, cache
, sizeof(cache
) );
537 RtlLeaveCriticalSection( &dir_section
);
542 /***********************************************************************
543 * parse_mount_entries
545 * Parse mount entries looking for a given device. Helper for get_default_drive_device.
549 #include <sys/vfstab.h>
550 static char *parse_vfstab_entries( FILE *f
, dev_t dev
, ino_t ino
)
556 while (! getvfsent( f
, &entry
))
558 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
559 if (!strcmp( entry
.vfs_fstype
, "nfs" ) ||
560 !strcmp( entry
.vfs_fstype
, "smbfs" ) ||
561 !strcmp( entry
.vfs_fstype
, "ncpfs" )) continue;
563 if (stat( entry
.vfs_mountp
, &st
) == -1) continue;
564 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
565 if (!strcmp( entry
.vfs_fstype
, "fd" ))
567 if ((device
= strstr( entry
.vfs_mntopts
, "dev=" )))
569 char *p
= strchr( device
+ 4, ',' );
575 return entry
.vfs_special
;
582 static char *parse_mount_entries( FILE *f
, dev_t dev
, ino_t ino
)
584 struct mntent
*entry
;
588 while ((entry
= getmntent( f
)))
590 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
591 if (!strcmp( entry
->mnt_type
, "nfs" ) ||
592 !strcmp( entry
->mnt_type
, "smbfs" ) ||
593 !strcmp( entry
->mnt_type
, "ncpfs" )) continue;
595 if (stat( entry
->mnt_dir
, &st
) == -1) continue;
596 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
597 if (!strcmp( entry
->mnt_type
, "supermount" ))
599 if ((device
= strstr( entry
->mnt_opts
, "dev=" )))
601 char *p
= strchr( device
+ 4, ',' );
606 else if (!stat( entry
->mnt_fsname
, &st
) && S_ISREG(st
.st_mode
))
608 /* if device is a regular file check for a loop mount */
609 if ((device
= strstr( entry
->mnt_opts
, "loop=" )))
611 char *p
= strchr( device
+ 5, ',' );
617 return entry
->mnt_fsname
;
623 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
625 static char *parse_mount_entries( FILE *f
, dev_t dev
, ino_t ino
)
630 while ((entry
= getfsent()))
632 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
633 if (!strcmp( entry
->fs_vfstype
, "nfs" ) ||
634 !strcmp( entry
->fs_vfstype
, "smbfs" ) ||
635 !strcmp( entry
->fs_vfstype
, "ncpfs" )) continue;
637 if (stat( entry
->fs_file
, &st
) == -1) continue;
638 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
639 return entry
->fs_spec
;
646 #include <sys/mnttab.h>
647 static char *parse_mount_entries( FILE *f
, dev_t dev
, ino_t ino
)
654 while (( ! getmntent( f
, &entry
) ))
656 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
657 if (!strcmp( entry
.mnt_fstype
, "nfs" ) ||
658 !strcmp( entry
.mnt_fstype
, "smbfs" ) ||
659 !strcmp( entry
.mnt_fstype
, "ncpfs" )) continue;
661 if (stat( entry
.mnt_mountp
, &st
) == -1) continue;
662 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
663 if (!strcmp( entry
.mnt_fstype
, "fd" ))
665 if ((device
= strstr( entry
.mnt_mntopts
, "dev=" )))
667 char *p
= strchr( device
+ 4, ',' );
673 return entry
.mnt_special
;
679 /***********************************************************************
680 * get_default_drive_device
682 * Return the default device to use for a given drive mount point.
684 static char *get_default_drive_device( const char *root
)
694 /* try to open it first to force it to get mounted */
695 if ((fd
= open( root
, O_RDONLY
| O_DIRECTORY
)) != -1)
697 res
= fstat( fd
, &st
);
700 /* now try normal stat just in case */
701 if (res
== -1) res
= stat( root
, &st
);
702 if (res
== -1) return NULL
;
704 RtlEnterCriticalSection( &dir_section
);
707 if ((f
= fopen( "/proc/mounts", "r" )))
709 device
= parse_mount_entries( f
, st
.st_dev
, st
.st_ino
);
713 if ((f
= fopen( "/etc/mtab", "r" )))
715 device
= parse_mount_entries( f
, st
.st_dev
, st
.st_ino
);
718 /* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
719 if (!device
&& (f
= fopen( "/etc/fstab", "r" )))
721 device
= parse_mount_entries( f
, st
.st_dev
, st
.st_ino
);
727 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(device
) + 1 );
728 if (ret
) strcpy( ret
, device
);
730 RtlLeaveCriticalSection( &dir_section
);
732 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__ ) || defined(__DragonFly__)
737 /* try to open it first to force it to get mounted */
738 if ((fd
= open( root
, O_RDONLY
)) != -1)
740 res
= fstat( fd
, &st
);
743 /* now try normal stat just in case */
744 if (res
== -1) res
= stat( root
, &st
);
745 if (res
== -1) return NULL
;
747 RtlEnterCriticalSection( &dir_section
);
749 /* The FreeBSD parse_mount_entries doesn't require a file argument, so just
750 * pass NULL. Leave the argument in for symmetry.
752 device
= parse_mount_entries( NULL
, st
.st_dev
, st
.st_ino
);
755 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(device
) + 1 );
756 if (ret
) strcpy( ret
, device
);
758 RtlLeaveCriticalSection( &dir_section
);
766 /* try to open it first to force it to get mounted */
767 if ((fd
= open( root
, O_RDONLY
)) != -1)
769 res
= fstat( fd
, &st
);
772 /* now try normal stat just in case */
773 if (res
== -1) res
= stat( root
, &st
);
774 if (res
== -1) return NULL
;
776 RtlEnterCriticalSection( &dir_section
);
778 if ((f
= fopen( "/etc/mnttab", "r" )))
780 device
= parse_mount_entries( f
, st
.st_dev
, st
.st_ino
);
783 /* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
784 if (!device
&& (f
= fopen( "/etc/vfstab", "r" )))
786 device
= parse_vfstab_entries( f
, st
.st_dev
, st
.st_ino
);
791 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(device
) + 1 );
792 if (ret
) strcpy( ret
, device
);
794 RtlLeaveCriticalSection( &dir_section
);
796 #elif defined(__APPLE__)
797 struct statfs
*mntStat
;
803 static const char path_bsd_device
[] = "/dev/disk";
806 res
= stat( root
, &st
);
807 if (res
== -1) return NULL
;
812 RtlEnterCriticalSection( &dir_section
);
814 mntSize
= getmntinfo(&mntStat
, MNT_NOWAIT
);
816 for (i
= 0; i
< mntSize
&& !ret
; i
++)
818 if (stat(mntStat
[i
].f_mntonname
, &st
) == -1) continue;
819 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
821 /* FIXME add support for mounted network drive */
822 if ( strncmp(mntStat
[i
].f_mntfromname
, path_bsd_device
, strlen(path_bsd_device
)) == 0)
824 /* set return value to the corresponding raw BSD node */
825 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(mntStat
[i
].f_mntfromname
) + 2 /* 2 : r and \0 */ );
828 strcpy(ret
, "/dev/r");
829 strcat(ret
, mntStat
[i
].f_mntfromname
+sizeof("/dev/")-1);
833 RtlLeaveCriticalSection( &dir_section
);
836 if (!warned
++) FIXME( "auto detection of DOS devices not supported on this platform\n" );
842 /***********************************************************************
843 * get_device_mount_point
845 * Return the current mount point for a device.
847 static char *get_device_mount_point( dev_t dev
)
854 RtlEnterCriticalSection( &dir_section
);
857 if ((f
= fopen( "/proc/mounts", "r" )))
859 if ((f
= fopen( "/etc/mtab", "r" )))
862 struct mntent
*entry
;
866 while ((entry
= getmntent( f
)))
868 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
869 if (!strcmp( entry
->mnt_type
, "nfs" ) ||
870 !strcmp( entry
->mnt_type
, "smbfs" ) ||
871 !strcmp( entry
->mnt_type
, "ncpfs" )) continue;
873 if (!strcmp( entry
->mnt_type
, "supermount" ))
875 if ((device
= strstr( entry
->mnt_opts
, "dev=" )))
878 if ((p
= strchr( device
, ',' ))) *p
= 0;
881 else if (!stat( entry
->mnt_fsname
, &st
) && S_ISREG(st
.st_mode
))
883 /* if device is a regular file check for a loop mount */
884 if ((device
= strstr( entry
->mnt_opts
, "loop=" )))
887 if ((p
= strchr( device
, ',' ))) *p
= 0;
890 else device
= entry
->mnt_fsname
;
892 if (device
&& !stat( device
, &st
) && S_ISBLK(st
.st_mode
) && st
.st_rdev
== dev
)
894 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(entry
->mnt_dir
) + 1 );
895 if (ret
) strcpy( ret
, entry
->mnt_dir
);
901 RtlLeaveCriticalSection( &dir_section
);
902 #elif defined(__APPLE__)
903 struct statfs
*entry
;
907 RtlEnterCriticalSection( &dir_section
);
909 size
= getmntinfo( &entry
, MNT_NOWAIT
);
910 for (i
= 0; i
< size
; i
++)
912 if (stat( entry
[i
].f_mntfromname
, &st
) == -1) continue;
913 if (S_ISBLK(st
.st_mode
) && st
.st_rdev
== dev
)
915 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(entry
[i
].f_mntonname
) + 1 );
916 if (ret
) strcpy( ret
, entry
[i
].f_mntonname
);
920 RtlLeaveCriticalSection( &dir_section
);
923 if (!warned
++) FIXME( "unmounting devices not supported on this platform\n" );
929 #if defined(HAVE_GETATTRLIST) && defined(ATTR_VOL_CAPABILITIES) && \
930 defined(VOL_CAPABILITIES_FORMAT) && defined(VOL_CAP_FMT_CASE_SENSITIVE)
943 BOOLEAN case_sensitive
;
949 vol_capabilities_attr_t caps
;
952 /***********************************************************************
955 * Checks if the specified file system is in the cache.
957 static struct fs_cache
*look_up_fs_cache( dev_t dev
)
960 for (i
= 0; i
< sizeof(fs_cache
)/sizeof(fs_cache
[0]); i
++)
961 if (fs_cache
[i
].dev
== dev
)
966 /***********************************************************************
969 * Adds the specified file system to the cache.
971 static void add_fs_cache( dev_t dev
, fsid_t fsid
, BOOLEAN case_sensitive
)
974 struct fs_cache
*entry
= look_up_fs_cache( dev
);
978 /* Update the cache */
980 entry
->case_sensitive
= case_sensitive
;
984 /* Add a new entry */
985 for (i
= 0; i
< sizeof(fs_cache
)/sizeof(fs_cache
[0]); i
++)
986 if (fs_cache
[i
].dev
== 0)
988 /* This entry is empty, use it */
989 fs_cache
[i
].dev
= dev
;
990 fs_cache
[i
].fsid
= fsid
;
991 fs_cache
[i
].case_sensitive
= case_sensitive
;
995 /* Cache is out of space, warn */
997 WARN( "FS cache is out of space, expect performance problems\n" );
1000 /***********************************************************************
1001 * get_dir_case_sensitivity_attr
1003 * Checks if the volume containing the specified directory is case
1004 * sensitive or not. Uses getattrlist(2).
1006 static int get_dir_case_sensitivity_attr( const char *dir
)
1008 char *mntpoint
= NULL
;
1009 struct attrlist attr
;
1010 struct vol_caps caps
;
1011 struct get_fsid get_fsid
;
1012 struct fs_cache
*entry
;
1014 /* First get the FS ID of the volume */
1015 attr
.bitmapcount
= ATTR_BIT_MAP_COUNT
;
1017 attr
.commonattr
= ATTR_CMN_DEVID
|ATTR_CMN_FSID
;
1018 attr
.volattr
= attr
.dirattr
= attr
.fileattr
= attr
.forkattr
= 0;
1020 if (getattrlist( dir
, &attr
, &get_fsid
, sizeof(get_fsid
), 0 ) != 0 ||
1021 get_fsid
.size
!= sizeof(get_fsid
))
1023 /* Try to look it up in the cache */
1024 entry
= look_up_fs_cache( get_fsid
.dev
);
1025 if (entry
&& !memcmp( &entry
->fsid
, &get_fsid
.fsid
, sizeof(fsid_t
) ))
1026 /* Cache lookup succeeded */
1027 return entry
->case_sensitive
;
1028 /* Cache is stale at this point, we have to update it */
1030 mntpoint
= get_device_mount_point( get_fsid
.dev
);
1031 /* Now look up the case-sensitivity */
1032 attr
.commonattr
= 0;
1033 attr
.volattr
= ATTR_VOL_INFO
|ATTR_VOL_CAPABILITIES
;
1034 if (getattrlist( mntpoint
, &attr
, &caps
, sizeof(caps
), 0 ) < 0)
1036 RtlFreeHeap( GetProcessHeap(), 0, mntpoint
);
1037 add_fs_cache( get_fsid
.dev
, get_fsid
.fsid
, TRUE
);
1040 RtlFreeHeap( GetProcessHeap(), 0, mntpoint
);
1041 if (caps
.size
== sizeof(caps
) &&
1042 (caps
.caps
.valid
[VOL_CAPABILITIES_FORMAT
] &
1043 (VOL_CAP_FMT_CASE_SENSITIVE
| VOL_CAP_FMT_CASE_PRESERVING
)) ==
1044 (VOL_CAP_FMT_CASE_SENSITIVE
| VOL_CAP_FMT_CASE_PRESERVING
))
1048 if ((caps
.caps
.capabilities
[VOL_CAPABILITIES_FORMAT
] &
1049 VOL_CAP_FMT_CASE_SENSITIVE
) != VOL_CAP_FMT_CASE_SENSITIVE
)
1053 /* Update the cache */
1054 add_fs_cache( get_fsid
.dev
, get_fsid
.fsid
, ret
);
1061 /***********************************************************************
1062 * get_dir_case_sensitivity_stat
1064 * Checks if the volume containing the specified directory is case
1065 * sensitive or not. Uses statfs(2) or statvfs(2).
1067 static BOOLEAN
get_dir_case_sensitivity_stat( const char *dir
)
1069 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
1072 if (statfs( dir
, &stfs
) == -1) return FALSE
;
1073 /* Assume these file systems are always case insensitive on Mac OS.
1074 * For FreeBSD, only assume CIOPFS is case insensitive (AFAIK, Mac OS
1075 * is the only UNIX that supports case-insensitive lookup).
1077 if (!strcmp( stfs
.f_fstypename
, "fusefs" ) &&
1078 !strncmp( stfs
.f_mntfromname
, "ciopfs", 5 ))
1081 if (!strcmp( stfs
.f_fstypename
, "msdos" ) ||
1082 !strcmp( stfs
.f_fstypename
, "cd9660" ) ||
1083 !strcmp( stfs
.f_fstypename
, "udf" ) ||
1084 !strcmp( stfs
.f_fstypename
, "ntfs" ) ||
1085 !strcmp( stfs
.f_fstypename
, "smbfs" ))
1087 #ifdef _DARWIN_FEATURE_64_BIT_INODE
1088 if (!strcmp( stfs
.f_fstypename
, "hfs" ) && (stfs
.f_fssubtype
== 0 ||
1089 stfs
.f_fssubtype
== 1 ||
1090 stfs
.f_fssubtype
== 128))
1093 /* The field says "reserved", but a quick look at the kernel source
1094 * tells us that this "reserved" field is really the same as the
1095 * "fssubtype" field from the inode64 structure (see munge_statfs()
1096 * in <xnu-source>/bsd/vfs/vfs_syscalls.c).
1098 if (!strcmp( stfs
.f_fstypename
, "hfs" ) && (stfs
.f_reserved1
== 0 ||
1099 stfs
.f_reserved1
== 1 ||
1100 stfs
.f_reserved1
== 128))
1106 #elif defined(__NetBSD__)
1107 struct statvfs stfs
;
1109 if (statvfs( dir
, &stfs
) == -1) return FALSE
;
1110 /* Only assume CIOPFS is case insensitive. */
1111 if (strcmp( stfs
.f_fstypename
, "fusefs" ) ||
1112 strncmp( stfs
.f_mntfromname
, "ciopfs", 5 ))
1116 #elif defined(__linux__)
1121 /* Only assume CIOPFS is case insensitive. */
1122 if (statfs( dir
, &stfs
) == -1) return FALSE
;
1123 if (stfs
.f_type
!= 0x65735546 /* FUSE_SUPER_MAGIC */)
1125 /* Normally, we'd have to parse the mtab to find out exactly what
1126 * kind of FUSE FS this is. But, someone on wine-devel suggested
1127 * a shortcut. We'll stat a special file in the directory. If it's
1128 * there, we'll assume it's a CIOPFS, else not.
1129 * This will break if somebody puts a file named ".ciopfs" in a non-
1132 cifile
= RtlAllocateHeap( GetProcessHeap(), 0, strlen( dir
)+sizeof("/.ciopfs") );
1133 if (!cifile
) return TRUE
;
1134 strcpy( cifile
, dir
);
1135 strcat( cifile
, "/.ciopfs" );
1136 if (stat( cifile
, &st
) == 0)
1138 RtlFreeHeap( GetProcessHeap(), 0, cifile
);
1141 RtlFreeHeap( GetProcessHeap(), 0, cifile
);
1149 /***********************************************************************
1150 * get_dir_case_sensitivity
1152 * Checks if the volume containing the specified directory is case
1153 * sensitive or not. Uses statfs(2) or statvfs(2).
1155 static BOOLEAN
get_dir_case_sensitivity( const char *dir
)
1157 #if defined(HAVE_GETATTRLIST) && defined(ATTR_VOL_CAPABILITIES) && \
1158 defined(VOL_CAPABILITIES_FORMAT) && defined(VOL_CAP_FMT_CASE_SENSITIVE)
1159 int case_sensitive
= get_dir_case_sensitivity_attr( dir
);
1160 if (case_sensitive
!= -1) return case_sensitive
;
1162 return get_dir_case_sensitivity_stat( dir
);
1166 /***********************************************************************
1169 * Initialize the show_dot_files options.
1171 static DWORD WINAPI
init_options( RTL_RUN_ONCE
*once
, void *param
, void **context
)
1173 static const WCHAR WineW
[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e',0};
1174 static const WCHAR ShowDotFilesW
[] = {'S','h','o','w','D','o','t','F','i','l','e','s',0};
1178 OBJECT_ATTRIBUTES attr
;
1179 UNICODE_STRING nameW
;
1181 RtlOpenCurrentUser( KEY_ALL_ACCESS
, &root
);
1182 attr
.Length
= sizeof(attr
);
1183 attr
.RootDirectory
= root
;
1184 attr
.ObjectName
= &nameW
;
1185 attr
.Attributes
= 0;
1186 attr
.SecurityDescriptor
= NULL
;
1187 attr
.SecurityQualityOfService
= NULL
;
1188 RtlInitUnicodeString( &nameW
, WineW
);
1190 /* @@ Wine registry key: HKCU\Software\Wine */
1191 if (!NtOpenKey( &hkey
, KEY_ALL_ACCESS
, &attr
))
1193 RtlInitUnicodeString( &nameW
, ShowDotFilesW
);
1194 if (!NtQueryValueKey( hkey
, &nameW
, KeyValuePartialInformation
, tmp
, sizeof(tmp
), &dummy
))
1196 WCHAR
*str
= (WCHAR
*)((KEY_VALUE_PARTIAL_INFORMATION
*)tmp
)->Data
;
1197 show_dot_files
= IS_OPTION_TRUE( str
[0] );
1203 /* a couple of directories that we don't want to return in directory searches */
1204 ignore_file( wine_get_config_dir() );
1205 ignore_file( "/dev" );
1206 ignore_file( "/proc" );
1208 ignore_file( "/sys" );
1214 /***********************************************************************
1215 * DIR_is_hidden_file
1217 * Check if the specified file should be hidden based on its name and the show dot files option.
1219 BOOL
DIR_is_hidden_file( const UNICODE_STRING
*name
)
1223 RtlRunOnceExecuteOnce( &init_once
, init_options
, NULL
, NULL
);
1225 if (show_dot_files
) return FALSE
;
1227 end
= p
= name
->Buffer
+ name
->Length
/sizeof(WCHAR
);
1228 while (p
> name
->Buffer
&& IS_SEPARATOR(p
[-1])) p
--;
1229 while (p
> name
->Buffer
&& !IS_SEPARATOR(p
[-1])) p
--;
1230 if (p
== end
|| *p
!= '.') return FALSE
;
1231 /* make sure it isn't '.' or '..' */
1232 if (p
+ 1 == end
) return FALSE
;
1233 if (p
[1] == '.' && p
+ 2 == end
) return FALSE
;
1238 /***********************************************************************
1239 * hash_short_file_name
1241 * Transform a Unix file name into a hashed DOS name. If the name is a valid
1242 * DOS name, it is converted to upper-case; otherwise it is replaced by a
1243 * hashed version that fits in 8.3 format.
1244 * 'buffer' must be at least 12 characters long.
1245 * Returns length of short name in bytes; short name is NOT null-terminated.
1247 static ULONG
hash_short_file_name( const UNICODE_STRING
*name
, LPWSTR buffer
)
1249 static const char hash_chars
[32] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345";
1251 LPCWSTR p
, ext
, end
= name
->Buffer
+ name
->Length
/ sizeof(WCHAR
);
1253 unsigned short hash
;
1256 /* Compute the hash code of the file name */
1257 /* If you know something about hash functions, feel free to */
1258 /* insert a better algorithm here... */
1259 if (!is_case_sensitive
)
1261 for (p
= name
->Buffer
, hash
= 0xbeef; p
< end
- 1; p
++)
1262 hash
= (hash
<<3) ^ (hash
>>5) ^ tolowerW(*p
) ^ (tolowerW(p
[1]) << 8);
1263 hash
= (hash
<<3) ^ (hash
>>5) ^ tolowerW(*p
); /* Last character */
1267 for (p
= name
->Buffer
, hash
= 0xbeef; p
< end
- 1; p
++)
1268 hash
= (hash
<< 3) ^ (hash
>> 5) ^ *p
^ (p
[1] << 8);
1269 hash
= (hash
<< 3) ^ (hash
>> 5) ^ *p
; /* Last character */
1272 /* Find last dot for start of the extension */
1273 for (p
= name
->Buffer
+ 1, ext
= NULL
; p
< end
- 1; p
++) if (*p
== '.') ext
= p
;
1275 /* Copy first 4 chars, replacing invalid chars with '_' */
1276 for (i
= 4, p
= name
->Buffer
, dst
= buffer
; i
> 0; i
--, p
++)
1278 if (p
== end
|| p
== ext
) break;
1279 *dst
++ = is_invalid_dos_char(*p
) ? '_' : toupperW(*p
);
1281 /* Pad to 5 chars with '~' */
1282 while (i
-- >= 0) *dst
++ = '~';
1284 /* Insert hash code converted to 3 ASCII chars */
1285 *dst
++ = hash_chars
[(hash
>> 10) & 0x1f];
1286 *dst
++ = hash_chars
[(hash
>> 5) & 0x1f];
1287 *dst
++ = hash_chars
[hash
& 0x1f];
1289 /* Copy the first 3 chars of the extension (if any) */
1293 for (i
= 3, ext
++; (i
> 0) && ext
< end
; i
--, ext
++)
1294 *dst
++ = is_invalid_dos_char(*ext
) ? '_' : toupperW(*ext
);
1296 return dst
- buffer
;
1300 /***********************************************************************
1303 * Check a long file name against a mask.
1305 * Tests (done in W95 DOS shell - case insensitive):
1306 * *.txt test1.test.txt *
1308 * *.t??????.t* test1.ta.tornado.txt *
1309 * *tornado* test1.ta.tornado.txt *
1310 * t*t test1.ta.tornado.txt *
1312 * ?est??? test1.txt -
1313 * *test1.txt* test1.txt *
1314 * h?l?o*t.dat hellothisisatest.dat *
1316 static BOOLEAN
match_filename( const UNICODE_STRING
*name_str
, const UNICODE_STRING
*mask_str
)
1319 const WCHAR
*name
= name_str
->Buffer
;
1320 const WCHAR
*mask
= mask_str
->Buffer
;
1321 const WCHAR
*name_end
= name
+ name_str
->Length
/ sizeof(WCHAR
);
1322 const WCHAR
*mask_end
= mask
+ mask_str
->Length
/ sizeof(WCHAR
);
1323 const WCHAR
*lastjoker
= NULL
;
1324 const WCHAR
*next_to_retry
= NULL
;
1326 TRACE("(%s, %s)\n", debugstr_us(name_str
), debugstr_us(mask_str
));
1328 while (name
< name_end
&& mask
< mask_end
)
1334 while (mask
< mask_end
&& *mask
== '*') mask
++; /* Skip consecutive '*' */
1335 if (mask
== mask_end
) return TRUE
; /* end of mask is all '*', so match */
1338 /* skip to the next match after the joker(s) */
1339 if (is_case_sensitive
)
1340 while (name
< name_end
&& (*name
!= *mask
)) name
++;
1342 while (name
< name_end
&& (toupperW(*name
) != toupperW(*mask
))) name
++;
1343 next_to_retry
= name
;
1350 if (is_case_sensitive
) mismatch
= (*mask
!= *name
);
1351 else mismatch
= (toupperW(*mask
) != toupperW(*name
));
1357 if (mask
== mask_end
)
1359 if (name
== name_end
) return TRUE
;
1360 if (lastjoker
) mask
= lastjoker
;
1363 else /* mismatch ! */
1365 if (lastjoker
) /* we had an '*', so we can try unlimitedly */
1369 /* this scan sequence was a mismatch, so restart
1370 * 1 char after the first char we checked last time */
1372 name
= next_to_retry
;
1374 else return FALSE
; /* bad luck */
1379 while (mask
< mask_end
&& ((*mask
== '.') || (*mask
== '*')))
1380 mask
++; /* Ignore trailing '.' or '*' in mask */
1381 return (name
== name_end
&& mask
== mask_end
);
1385 /***********************************************************************
1388 * helper for NtQueryDirectoryFile
1390 static union file_directory_info
*append_entry( void *info_ptr
, IO_STATUS_BLOCK
*io
, ULONG max_length
,
1391 const char *long_name
, const char *short_name
,
1392 const UNICODE_STRING
*mask
, FILE_INFORMATION_CLASS
class )
1394 union file_directory_info
*info
;
1395 int i
, long_len
, short_len
, total_len
;
1397 WCHAR long_nameW
[MAX_DIR_ENTRY_LEN
];
1398 WCHAR short_nameW
[12];
1403 io
->u
.Status
= STATUS_SUCCESS
;
1404 long_len
= ntdll_umbstowcs( 0, long_name
, strlen(long_name
), long_nameW
, MAX_DIR_ENTRY_LEN
);
1405 if (long_len
== -1) return NULL
;
1407 str
.Buffer
= long_nameW
;
1408 str
.Length
= long_len
* sizeof(WCHAR
);
1409 str
.MaximumLength
= sizeof(long_nameW
);
1413 short_len
= ntdll_umbstowcs( 0, short_name
, strlen(short_name
),
1414 short_nameW
, sizeof(short_nameW
) / sizeof(WCHAR
) );
1415 if (short_len
== -1) short_len
= sizeof(short_nameW
) / sizeof(WCHAR
);
1417 else /* generate a short name if necessary */
1422 if (!RtlIsNameLegalDOS8Dot3( &str
, NULL
, &spaces
) || spaces
)
1423 short_len
= hash_short_file_name( &str
, short_nameW
);
1426 TRACE( "long %s short %s mask %s\n",
1427 debugstr_us(&str
), debugstr_wn(short_nameW
, short_len
), debugstr_us(mask
) );
1429 if (mask
&& !match_filename( &str
, mask
))
1431 if (!short_len
) return NULL
; /* no short name to match */
1432 str
.Buffer
= short_nameW
;
1433 str
.Length
= short_len
* sizeof(WCHAR
);
1434 str
.MaximumLength
= sizeof(short_nameW
);
1435 if (!match_filename( &str
, mask
)) return NULL
;
1438 if (get_file_info( long_name
, &st
, &attributes
) == -1) return NULL
;
1439 if (is_ignored_file( &st
))
1441 TRACE( "ignoring file %s\n", long_name
);
1444 if (!show_dot_files
&& long_name
[0] == '.' && long_name
[1] && (long_name
[1] != '.' || long_name
[2]))
1445 attributes
|= FILE_ATTRIBUTE_HIDDEN
;
1447 total_len
= dir_info_size( class, long_len
);
1448 if (io
->Information
+ total_len
> max_length
)
1450 total_len
= max_length
- io
->Information
;
1451 io
->u
.Status
= STATUS_BUFFER_OVERFLOW
;
1453 info
= (union file_directory_info
*)((char *)info_ptr
+ io
->Information
);
1454 if (st
.st_dev
!= curdir
.dev
) st
.st_ino
= 0; /* ignore inode if on a different device */
1455 /* all the structures start with a FileDirectoryInformation layout */
1456 fill_file_info( &st
, attributes
, info
, class );
1457 info
->dir
.NextEntryOffset
= total_len
;
1458 info
->dir
.FileIndex
= 0; /* NTFS always has 0 here, so let's not bother with it */
1462 case FileDirectoryInformation
:
1463 info
->dir
.FileNameLength
= long_len
* sizeof(WCHAR
);
1464 filename
= info
->dir
.FileName
;
1467 case FileFullDirectoryInformation
:
1468 info
->full
.EaSize
= 0; /* FIXME */
1469 info
->full
.FileNameLength
= long_len
* sizeof(WCHAR
);
1470 filename
= info
->full
.FileName
;
1473 case FileIdFullDirectoryInformation
:
1474 info
->id_full
.EaSize
= 0; /* FIXME */
1475 info
->id_full
.FileNameLength
= long_len
* sizeof(WCHAR
);
1476 filename
= info
->id_full
.FileName
;
1479 case FileBothDirectoryInformation
:
1480 info
->both
.EaSize
= 0; /* FIXME */
1481 info
->both
.ShortNameLength
= short_len
* sizeof(WCHAR
);
1482 for (i
= 0; i
< short_len
; i
++) info
->both
.ShortName
[i
] = toupperW(short_nameW
[i
]);
1483 info
->both
.FileNameLength
= long_len
* sizeof(WCHAR
);
1484 filename
= info
->both
.FileName
;
1487 case FileIdBothDirectoryInformation
:
1488 info
->id_both
.EaSize
= 0; /* FIXME */
1489 info
->id_both
.ShortNameLength
= short_len
* sizeof(WCHAR
);
1490 for (i
= 0; i
< short_len
; i
++) info
->id_both
.ShortName
[i
] = toupperW(short_nameW
[i
]);
1491 info
->id_both
.FileNameLength
= long_len
* sizeof(WCHAR
);
1492 filename
= info
->id_both
.FileName
;
1499 memcpy( filename
, long_nameW
, long_len
* sizeof(WCHAR
) );
1500 io
->Information
+= total_len
;
1505 #ifdef VFAT_IOCTL_READDIR_BOTH
1507 /***********************************************************************
1510 * Wrapper for the VFAT ioctl to work around various kernel bugs.
1511 * dir_section must be held by caller.
1513 static KERNEL_DIRENT
*start_vfat_ioctl( int fd
)
1515 static KERNEL_DIRENT
*de
;
1520 SIZE_T size
= 2 * sizeof(*de
) + page_size
;
1523 if (NtAllocateVirtualMemory( GetCurrentProcess(), &addr
, 1, &size
, MEM_RESERVE
, PAGE_READWRITE
))
1525 /* commit only the size needed for the dir entries */
1526 /* this leaves an extra unaccessible page, which should make the kernel */
1527 /* fail with -EFAULT before it stomps all over our memory */
1529 size
= 2 * sizeof(*de
);
1530 NtAllocateVirtualMemory( GetCurrentProcess(), &addr
, 1, &size
, MEM_COMMIT
, PAGE_READWRITE
);
1533 /* set d_reclen to 65535 to work around an AFS kernel bug */
1534 de
[0].d_reclen
= 65535;
1535 res
= ioctl( fd
, VFAT_IOCTL_READDIR_BOTH
, (long)de
);
1538 if (errno
!= ENOENT
) return NULL
; /* VFAT ioctl probably not supported */
1539 de
[0].d_reclen
= 0; /* eof */
1541 else if (!res
&& de
[0].d_reclen
== 65535) return NULL
; /* AFS bug */
1547 /***********************************************************************
1548 * read_directory_vfat
1550 * Read a directory using the VFAT ioctl; helper for NtQueryDirectoryFile.
1552 static int read_directory_vfat( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
1553 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
1554 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
1559 union file_directory_info
*info
, *last_info
= NULL
;
1561 io
->u
.Status
= STATUS_SUCCESS
;
1563 if (restart_scan
) lseek( fd
, 0, SEEK_SET
);
1565 if (length
< max_dir_info_size(class)) /* we may have to return a partial entry here */
1567 off_t old_pos
= lseek( fd
, 0, SEEK_CUR
);
1569 if (!(de
= start_vfat_ioctl( fd
))) return -1; /* not supported */
1571 while (de
[0].d_reclen
)
1573 /* make sure names are null-terminated to work around an x86-64 kernel bug */
1574 len
= min(de
[0].d_reclen
, sizeof(de
[0].d_name
) - 1 );
1575 de
[0].d_name
[len
] = 0;
1576 len
= min(de
[1].d_reclen
, sizeof(de
[1].d_name
) - 1 );
1577 de
[1].d_name
[len
] = 0;
1579 if (de
[1].d_name
[0])
1580 info
= append_entry( buffer
, io
, length
, de
[1].d_name
, de
[0].d_name
, mask
, class );
1582 info
= append_entry( buffer
, io
, length
, de
[0].d_name
, NULL
, mask
, class );
1586 if (io
->u
.Status
== STATUS_BUFFER_OVERFLOW
)
1587 lseek( fd
, old_pos
, SEEK_SET
); /* restore pos to previous entry */
1590 old_pos
= lseek( fd
, 0, SEEK_CUR
);
1591 if (ioctl( fd
, VFAT_IOCTL_READDIR_BOTH
, (long)de
) == -1) break;
1594 else /* we'll only return full entries, no need to worry about overflow */
1596 if (!(de
= start_vfat_ioctl( fd
))) return -1; /* not supported */
1598 while (de
[0].d_reclen
)
1600 /* make sure names are null-terminated to work around an x86-64 kernel bug */
1601 len
= min(de
[0].d_reclen
, sizeof(de
[0].d_name
) - 1 );
1602 de
[0].d_name
[len
] = 0;
1603 len
= min(de
[1].d_reclen
, sizeof(de
[1].d_name
) - 1 );
1604 de
[1].d_name
[len
] = 0;
1606 if (de
[1].d_name
[0])
1607 info
= append_entry( buffer
, io
, length
, de
[1].d_name
, de
[0].d_name
, mask
, class );
1609 info
= append_entry( buffer
, io
, length
, de
[0].d_name
, NULL
, mask
, class );
1613 if (single_entry
) break;
1614 /* check if we still have enough space for the largest possible entry */
1615 if (io
->Information
+ max_dir_info_size(class) > length
) break;
1617 if (ioctl( fd
, VFAT_IOCTL_READDIR_BOTH
, (long)de
) == -1) break;
1621 if (last_info
) last_info
->next
= 0;
1622 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
1625 #endif /* VFAT_IOCTL_READDIR_BOTH */
1629 /***********************************************************************
1630 * read_first_dent_name
1632 * reads name of first or second dentry (if they have inodes).
1634 static char *read_first_dent_name( int which
, int fd
, off_t second_offs
, KERNEL_DIRENT64
*de_first_two
,
1635 char *buffer
, size_t size
, BOOL
*buffer_changed
)
1637 KERNEL_DIRENT64
*de
;
1644 de
= (KERNEL_DIRENT64
*)((char *)de
+ de
->d_reclen
);
1646 return de
->d_ino
? de
->d_name
: NULL
;
1649 *buffer_changed
= TRUE
;
1650 lseek( fd
, which
== 1 ? second_offs
: 0, SEEK_SET
);
1651 res
= getdents64( fd
, buffer
, size
);
1655 de
= (KERNEL_DIRENT64
*)buffer
;
1656 return de
->d_ino
? de
->d_name
: NULL
;
1659 /***********************************************************************
1660 * read_directory_getdents
1662 * Read a directory using the Linux getdents64 system call; helper for NtQueryDirectoryFile.
1664 static int read_directory_getdents( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
1665 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
1666 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
1668 static off_t second_entry_pos
;
1669 static struct file_identity last_dir_id
;
1670 off_t old_pos
= 0, next_pos
;
1671 size_t size
= length
;
1672 char *data
, local_buffer
[8192];
1673 KERNEL_DIRENT64
*de
, *de_first_two
= NULL
;
1674 union file_directory_info
*info
, *last_info
= NULL
;
1675 const char *filename
;
1676 BOOL data_buffer_changed
;
1679 if (size
<= sizeof(local_buffer
) || !(data
= RtlAllocateHeap( GetProcessHeap(), 0, size
)))
1681 size
= sizeof(local_buffer
);
1682 data
= local_buffer
;
1685 if (restart_scan
) lseek( fd
, 0, SEEK_SET
);
1688 old_pos
= lseek( fd
, 0, SEEK_CUR
);
1691 io
->u
.Status
= (errno
== ENOENT
) ? STATUS_NO_MORE_FILES
: FILE_GetNtStatus();
1697 io
->u
.Status
= STATUS_SUCCESS
;
1698 de
= (KERNEL_DIRENT64
*)data
;
1700 /* if old_pos is not 0 we don't know how many entries have been returned already,
1701 * so maintain second_entry_pos to know when to return '..' */
1702 if (old_pos
!= 0 && (last_dir_id
.dev
!= curdir
.dev
|| last_dir_id
.ino
!= curdir
.ino
))
1704 lseek( fd
, 0, SEEK_SET
);
1705 res
= getdents64( fd
, data
, size
);
1708 second_entry_pos
= de
->d_off
;
1709 last_dir_id
= curdir
;
1711 lseek( fd
, old_pos
, SEEK_SET
);
1714 res
= getdents64( fd
, data
, size
);
1717 if (errno
!= ENOSYS
)
1719 io
->u
.Status
= FILE_GetNtStatus();
1725 if (old_pos
== 0 && res
> 0)
1727 second_entry_pos
= de
->d_off
;
1728 last_dir_id
= curdir
;
1729 if (res
> de
->d_reclen
)
1735 res
-= de
->d_reclen
;
1736 next_pos
= de
->d_off
;
1739 /* we must return first 2 entries as "." and "..", but getdents64()
1740 * can return them anywhere, so swap first entries with "." and ".." */
1743 else if (old_pos
== second_entry_pos
)
1745 else if (!strcmp( de
->d_name
, "." ) || !strcmp( de
->d_name
, ".." ))
1747 swap_to
= !strcmp( de
->d_name
, "." ) ? 0 : 1;
1748 data_buffer_changed
= FALSE
;
1750 filename
= read_first_dent_name( swap_to
, fd
, second_entry_pos
, de_first_two
,
1751 data
, size
, &data_buffer_changed
);
1752 if (filename
!= NULL
&& (!strcmp( filename
, "." ) || !strcmp( filename
, ".." )))
1753 filename
= read_first_dent_name( swap_to
^ 1, fd
, second_entry_pos
, NULL
,
1754 data
, size
, &data_buffer_changed
);
1755 if (data_buffer_changed
)
1757 lseek( fd
, next_pos
, SEEK_SET
);
1762 filename
= de
->d_name
;
1764 if (filename
&& (info
= append_entry( buffer
, io
, length
, filename
, NULL
, mask
, class )))
1767 if (io
->u
.Status
== STATUS_BUFFER_OVERFLOW
)
1769 lseek( fd
, old_pos
, SEEK_SET
); /* restore pos to previous entry */
1772 /* check if we still have enough space for the largest possible entry */
1773 if (single_entry
|| io
->Information
+ max_dir_info_size(class) > length
)
1775 if (res
> 0) lseek( fd
, next_pos
, SEEK_SET
); /* set pos to next entry */
1780 /* move on to the next entry */
1781 if (res
> 0) de
= (KERNEL_DIRENT64
*)((char *)de
+ de
->d_reclen
);
1784 res
= getdents64( fd
, data
, size
);
1785 de
= (KERNEL_DIRENT64
*)data
;
1786 de_first_two
= NULL
;
1790 if (last_info
) last_info
->next
= 0;
1791 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
1794 if (data
!= local_buffer
) RtlFreeHeap( GetProcessHeap(), 0, data
);
1798 #elif defined HAVE_GETDIRENTRIES
1800 #ifdef _DARWIN_FEATURE_64_BIT_INODE
1802 /* Darwin doesn't provide a version of getdirentries with support for 64-bit
1803 * inodes. When 64-bit inodes are enabled, the getdirentries symbol is mapped
1804 * to _getdirentries_is_not_available_when_64_bit_inodes_are_in_effect so that
1805 * we get link errors if we try to use it. We still need getdirentries, but we
1806 * don't need it to support 64-bit inodes. So, we use the legacy getdirentries
1807 * with 32-bit inodes. We have to be careful to use a corresponding dirent
1810 int darwin_legacy_getdirentries(int, char *, int, long *) __asm("_getdirentries");
1811 #define getdirentries darwin_legacy_getdirentries
1813 struct darwin_legacy_dirent
{
1815 __uint16_t d_reclen
;
1818 char d_name
[__DARWIN_MAXNAMLEN
+ 1];
1820 #define dirent darwin_legacy_dirent
1824 /***********************************************************************
1825 * wine_getdirentries
1827 * Wrapper for the BSD getdirentries system call to fix a bug in the
1828 * Mac OS X version. For some file systems (at least Apple Filing
1829 * Protocol a.k.a. AFP), getdirentries resets the file position to 0
1830 * when it's about to return 0 (no more entries). So, a subsequent
1831 * getdirentries call starts over at the beginning again, causing an
1834 static inline int wine_getdirentries(int fd
, char *buf
, int nbytes
, long *basep
)
1836 int res
= getdirentries(fd
, buf
, nbytes
, basep
);
1839 lseek(fd
, *basep
, SEEK_SET
);
1844 static inline int dir_reclen(struct dirent
*de
)
1846 #ifdef HAVE_STRUCT_DIRENT_D_RECLEN
1847 return de
->d_reclen
;
1849 return _DIRENT_RECLEN(de
->d_namlen
);
1853 /***********************************************************************
1854 * read_directory_getdirentries
1856 * Read a directory using the BSD getdirentries system call; helper for NtQueryDirectoryFile.
1858 static int read_directory_getdirentries( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
1859 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
1860 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
1863 ULONG_PTR restart_info_pos
= 0;
1864 size_t size
, initial_size
= length
;
1865 int res
, fake_dot_dot
= 1;
1866 char *data
, local_buffer
[8192];
1868 union file_directory_info
*info
, *last_info
= NULL
, *restart_last_info
= NULL
;
1870 size
= initial_size
;
1871 data
= local_buffer
;
1872 if (size
> sizeof(local_buffer
) && !(data
= RtlAllocateHeap( GetProcessHeap(), 0, size
)))
1874 io
->u
.Status
= STATUS_NO_MEMORY
;
1875 return io
->u
.Status
;
1878 if (restart_scan
) lseek( fd
, 0, SEEK_SET
);
1880 io
->u
.Status
= STATUS_SUCCESS
;
1882 /* FIXME: should make sure size is larger than filesystem block size */
1883 res
= wine_getdirentries( fd
, data
, size
, &restart_pos
);
1886 io
->u
.Status
= FILE_GetNtStatus();
1891 de
= (struct dirent
*)data
;
1895 /* check if we got . and .. from getdirentries */
1898 if (!strcmp( de
->d_name
, "." ) && res
> dir_reclen(de
))
1900 struct dirent
*next_de
= (struct dirent
*)(data
+ dir_reclen(de
));
1901 if (!strcmp( next_de
->d_name
, ".." )) fake_dot_dot
= 0;
1904 /* make sure we have enough room for both entries */
1907 const ULONG min_info_size
= dir_info_size( class, 1 ) + dir_info_size( class, 2 );
1908 if (length
< min_info_size
|| single_entry
)
1910 FIXME( "not enough room %u/%u for fake . and .. entries\n", length
, single_entry
);
1917 if ((info
= append_entry( buffer
, io
, length
, ".", NULL
, mask
, class )))
1919 if ((info
= append_entry( buffer
, io
, length
, "..", NULL
, mask
, class )))
1922 restart_last_info
= last_info
;
1923 restart_info_pos
= io
->Information
;
1925 /* check if we still have enough space for the largest possible entry */
1926 if (last_info
&& io
->Information
+ max_dir_info_size(class) > length
)
1928 lseek( fd
, 0, SEEK_SET
); /* reset pos to first entry */
1936 res
-= dir_reclen(de
);
1938 !(fake_dot_dot
&& (!strcmp( de
->d_name
, "." ) || !strcmp( de
->d_name
, ".." ))) &&
1939 ((info
= append_entry( buffer
, io
, length
, de
->d_name
, NULL
, mask
, class ))))
1942 if (io
->u
.Status
== STATUS_BUFFER_OVERFLOW
)
1944 lseek( fd
, (unsigned long)restart_pos
, SEEK_SET
);
1945 if (restart_info_pos
) /* if we have a complete read already, return it */
1947 io
->u
.Status
= STATUS_SUCCESS
;
1948 io
->Information
= restart_info_pos
;
1949 last_info
= restart_last_info
;
1952 /* otherwise restart from the start with a smaller size */
1953 size
= (char *)de
- data
;
1955 io
->Information
= 0;
1959 if (!has_wildcard( mask
)) break;
1960 /* if we have to return but the buffer contains more data, restart with a smaller size */
1961 if (res
> 0 && (single_entry
|| io
->Information
+ max_dir_info_size(class) > length
))
1963 lseek( fd
, (unsigned long)restart_pos
, SEEK_SET
);
1964 size
= (char *)de
+ dir_reclen(de
) - data
;
1965 io
->Information
= restart_info_pos
;
1966 last_info
= restart_last_info
;
1970 /* move on to the next entry */
1973 de
= (struct dirent
*)((char *)de
+ dir_reclen(de
));
1976 if (size
< initial_size
) break; /* already restarted once, give up now */
1977 restart_last_info
= last_info
;
1978 restart_info_pos
= io
->Information
;
1980 res
= wine_getdirentries( fd
, data
, size
, &restart_pos
);
1981 de
= (struct dirent
*)data
;
1984 if (last_info
) last_info
->next
= 0;
1985 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
1988 if (data
!= local_buffer
) RtlFreeHeap( GetProcessHeap(), 0, data
);
1992 #ifdef _DARWIN_FEATURE_64_BIT_INODE
1993 #undef getdirentries
1997 #endif /* HAVE_GETDIRENTRIES */
2000 /***********************************************************************
2001 * read_directory_readdir
2003 * Read a directory using the POSIX readdir interface; helper for NtQueryDirectoryFile.
2005 static void read_directory_readdir( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
2006 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
2007 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
2010 off_t i
, old_pos
= 0;
2012 union file_directory_info
*info
, *last_info
= NULL
;
2014 if (!(dir
= opendir( "." )))
2016 io
->u
.Status
= FILE_GetNtStatus();
2022 old_pos
= lseek( fd
, 0, SEEK_CUR
);
2023 /* skip the right number of entries */
2024 for (i
= 0; i
< old_pos
- 2; i
++)
2026 if (!readdir( dir
))
2029 io
->u
.Status
= STATUS_NO_MORE_FILES
;
2034 io
->u
.Status
= STATUS_SUCCESS
;
2039 info
= append_entry( buffer
, io
, length
, ".", NULL
, mask
, class );
2040 else if (old_pos
== 1)
2041 info
= append_entry( buffer
, io
, length
, "..", NULL
, mask
, class );
2042 else if ((de
= readdir( dir
)))
2044 if (strcmp( de
->d_name
, "." ) && strcmp( de
->d_name
, ".." ))
2045 info
= append_entry( buffer
, io
, length
, de
->d_name
, NULL
, mask
, class );
2055 if (io
->u
.Status
== STATUS_BUFFER_OVERFLOW
)
2057 old_pos
--; /* restore pos to previous entry */
2060 if (single_entry
) break;
2061 /* check if we still have enough space for the largest possible entry */
2062 if (io
->Information
+ max_dir_info_size(class) > length
) break;
2066 lseek( fd
, old_pos
, SEEK_SET
); /* store dir offset as filepos for fd */
2069 if (last_info
) last_info
->next
= 0;
2070 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
2073 /***********************************************************************
2074 * read_directory_stat
2076 * Read a single file from a directory by determining whether the file
2077 * identified by mask exists using stat.
2079 static int read_directory_stat( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
2080 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
2081 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
2083 int unix_len
, ret
, used_default
;
2086 BOOL case_sensitive
= get_dir_case_sensitivity(".");
2088 TRACE("looking up file %s\n", debugstr_us( mask
));
2090 unix_len
= ntdll_wcstoumbs( 0, mask
->Buffer
, mask
->Length
/ sizeof(WCHAR
), NULL
, 0, NULL
, NULL
);
2091 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
+ 1)))
2093 io
->u
.Status
= STATUS_NO_MEMORY
;
2096 ret
= ntdll_wcstoumbs( 0, mask
->Buffer
, mask
->Length
/ sizeof(WCHAR
), unix_name
, unix_len
,
2097 NULL
, &used_default
);
2098 if (ret
> 0 && !used_default
)
2103 lseek( fd
, 0, SEEK_SET
);
2105 else if (lseek( fd
, 0, SEEK_CUR
) != 0)
2107 io
->u
.Status
= STATUS_NO_MORE_FILES
;
2112 ret
= stat( unix_name
, &st
);
2113 if (case_sensitive
&& !ret
)
2115 union file_directory_info
*info
= append_entry( buffer
, io
, length
, unix_name
, NULL
, NULL
, class );
2119 if (io
->u
.Status
!= STATUS_BUFFER_OVERFLOW
) lseek( fd
, 1, SEEK_CUR
);
2121 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
2131 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2133 TRACE("returning %d\n", ret
);
2138 #ifdef HAVE_GETATTRLIST
2139 /***********************************************************************
2140 * read_directory_getattrlist
2142 * Read a single file from a directory by determining whether the file
2143 * identified by mask exists using getattrlist.
2145 static int read_directory_getattrlist( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
2146 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
2147 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
2149 int unix_len
, ret
, used_default
;
2151 struct attrlist attrlist
;
2152 #include "pshpack4.h"
2156 struct attrreference name_reference
;
2158 char name
[NAME_MAX
* 3 + 1];
2160 #include "poppack.h"
2162 TRACE("looking up file %s\n", debugstr_us( mask
));
2164 unix_len
= ntdll_wcstoumbs( 0, mask
->Buffer
, mask
->Length
/ sizeof(WCHAR
), NULL
, 0, NULL
, NULL
);
2165 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
+ 1)))
2167 io
->u
.Status
= STATUS_NO_MEMORY
;
2170 ret
= ntdll_wcstoumbs( 0, mask
->Buffer
, mask
->Length
/ sizeof(WCHAR
), unix_name
, unix_len
,
2171 NULL
, &used_default
);
2172 if (ret
> 0 && !used_default
)
2177 lseek( fd
, 0, SEEK_SET
);
2179 else if (lseek( fd
, 0, SEEK_CUR
) != 0)
2181 io
->u
.Status
= STATUS_NO_MORE_FILES
;
2186 memset( &attrlist
, 0, sizeof(attrlist
) );
2187 attrlist
.bitmapcount
= ATTR_BIT_MAP_COUNT
;
2188 attrlist
.commonattr
= ATTR_CMN_NAME
| ATTR_CMN_OBJTYPE
;
2189 ret
= getattrlist( unix_name
, &attrlist
, &attrlist_buffer
, sizeof(attrlist_buffer
), FSOPT_NOFOLLOW
);
2190 /* If unix_name named a symlink, the above may have succeeded even if the symlink is broken.
2191 Check that with another call without FSOPT_NOFOLLOW. We don't ask for any attributes. */
2192 if (!ret
&& attrlist_buffer
.type
== VLNK
)
2195 attrlist
.commonattr
= 0;
2196 ret
= getattrlist( unix_name
, &attrlist
, &dummy
, sizeof(dummy
), 0 );
2200 union file_directory_info
*info
= append_entry( buffer
, io
, length
, attrlist_buffer
.name
, NULL
, NULL
, class );
2204 if (io
->u
.Status
!= STATUS_BUFFER_OVERFLOW
) lseek( fd
, 1, SEEK_CUR
);
2206 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
2212 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2214 TRACE("returning %d\n", ret
);
2221 /******************************************************************************
2222 * NtQueryDirectoryFile [NTDLL.@]
2223 * ZwQueryDirectoryFile [NTDLL.@]
2225 NTSTATUS WINAPI
NtQueryDirectoryFile( HANDLE handle
, HANDLE event
,
2226 PIO_APC_ROUTINE apc_routine
, PVOID apc_context
,
2227 PIO_STATUS_BLOCK io
,
2228 PVOID buffer
, ULONG length
,
2229 FILE_INFORMATION_CLASS info_class
,
2230 BOOLEAN single_entry
,
2231 PUNICODE_STRING mask
,
2232 BOOLEAN restart_scan
)
2234 int cwd
, fd
, needs_close
;
2236 TRACE("(%p %p %p %p %p %p 0x%08x 0x%08x 0x%08x %s 0x%08x\n",
2237 handle
, event
, apc_routine
, apc_context
, io
, buffer
,
2238 length
, info_class
, single_entry
, debugstr_us(mask
),
2241 if (event
|| apc_routine
)
2243 FIXME( "Unsupported yet option\n" );
2244 return io
->u
.Status
= STATUS_NOT_IMPLEMENTED
;
2248 case FileDirectoryInformation
:
2249 case FileBothDirectoryInformation
:
2250 case FileFullDirectoryInformation
:
2251 case FileIdBothDirectoryInformation
:
2252 case FileIdFullDirectoryInformation
:
2253 if (length
< dir_info_size( info_class
, 1 )) return io
->u
.Status
= STATUS_INFO_LENGTH_MISMATCH
;
2254 if (!buffer
) return io
->u
.Status
= STATUS_ACCESS_VIOLATION
;
2257 FIXME( "Unsupported file info class %d\n", info_class
);
2258 return io
->u
.Status
= STATUS_NOT_IMPLEMENTED
;
2261 if ((io
->u
.Status
= server_get_unix_fd( handle
, FILE_LIST_DIRECTORY
, &fd
, &needs_close
, NULL
, NULL
)) != STATUS_SUCCESS
)
2262 return io
->u
.Status
;
2264 io
->Information
= 0;
2266 RtlRunOnceExecuteOnce( &init_once
, init_options
, NULL
, NULL
);
2268 RtlEnterCriticalSection( &dir_section
);
2270 cwd
= open( ".", O_RDONLY
);
2271 if (fchdir( fd
) != -1)
2275 curdir
.dev
= st
.st_dev
;
2276 curdir
.ino
= st
.st_ino
;
2277 #ifdef VFAT_IOCTL_READDIR_BOTH
2278 if ((read_directory_vfat( fd
, io
, buffer
, length
, single_entry
,
2279 mask
, restart_scan
, info_class
)) != -1) goto done
;
2281 if (!has_wildcard( mask
))
2283 #ifdef HAVE_GETATTRLIST
2284 if (read_directory_getattrlist( fd
, io
, buffer
, length
, single_entry
,
2285 mask
, restart_scan
, info_class
) != -1) goto done
;
2287 if (read_directory_stat( fd
, io
, buffer
, length
, single_entry
,
2288 mask
, restart_scan
, info_class
) != -1) goto done
;
2291 if ((read_directory_getdents( fd
, io
, buffer
, length
, single_entry
,
2292 mask
, restart_scan
, info_class
)) != -1) goto done
;
2293 #elif defined HAVE_GETDIRENTRIES
2294 if ((read_directory_getdirentries( fd
, io
, buffer
, length
, single_entry
,
2295 mask
, restart_scan
, info_class
)) != -1) goto done
;
2297 read_directory_readdir( fd
, io
, buffer
, length
, single_entry
, mask
, restart_scan
, info_class
);
2300 if (cwd
== -1 || fchdir( cwd
) == -1) chdir( "/" );
2302 else io
->u
.Status
= FILE_GetNtStatus();
2304 RtlLeaveCriticalSection( &dir_section
);
2306 if (needs_close
) close( fd
);
2307 if (cwd
!= -1) close( cwd
);
2308 TRACE( "=> %x (%ld)\n", io
->u
.Status
, io
->Information
);
2309 return io
->u
.Status
;
2313 /***********************************************************************
2316 * Find a file in a directory the hard way, by doing a case-insensitive search.
2317 * The file found is appended to unix_name at pos.
2318 * There must be at least MAX_DIR_ENTRY_LEN+2 chars available at pos.
2320 static NTSTATUS
find_file_in_dir( char *unix_name
, int pos
, const WCHAR
*name
, int length
,
2321 BOOLEAN check_case
, BOOLEAN
*is_win_dir
)
2323 WCHAR buffer
[MAX_DIR_ENTRY_LEN
];
2325 BOOLEAN spaces
, is_name_8_dot_3
;
2329 int ret
, used_default
;
2331 /* try a shortcut for this directory */
2333 unix_name
[pos
++] = '/';
2334 ret
= ntdll_wcstoumbs( 0, name
, length
, unix_name
+ pos
, MAX_DIR_ENTRY_LEN
,
2335 NULL
, &used_default
);
2336 /* if we used the default char, the Unix name won't round trip properly back to Unicode */
2337 /* so it cannot match the file we are looking for */
2338 if (ret
>= 0 && !used_default
)
2340 unix_name
[pos
+ ret
] = 0;
2341 if (!stat( unix_name
, &st
))
2343 if (is_win_dir
) *is_win_dir
= is_same_file( &windir
, &st
);
2344 return STATUS_SUCCESS
;
2347 if (check_case
) goto not_found
; /* we want an exact match */
2349 if (pos
> 1) unix_name
[pos
- 1] = 0;
2350 else unix_name
[1] = 0; /* keep the initial slash */
2352 /* check if it fits in 8.3 so that we don't look for short names if we won't need them */
2354 str
.Buffer
= (WCHAR
*)name
;
2355 str
.Length
= length
* sizeof(WCHAR
);
2356 str
.MaximumLength
= str
.Length
;
2357 is_name_8_dot_3
= RtlIsNameLegalDOS8Dot3( &str
, NULL
, &spaces
) && !spaces
;
2358 #ifndef VFAT_IOCTL_READDIR_BOTH
2359 is_name_8_dot_3
= is_name_8_dot_3
&& length
>= 8 && name
[4] == '~';
2362 if (!is_name_8_dot_3
&& !get_dir_case_sensitivity( unix_name
)) goto not_found
;
2364 /* now look for it through the directory */
2366 #ifdef VFAT_IOCTL_READDIR_BOTH
2367 if (is_name_8_dot_3
)
2369 int fd
= open( unix_name
, O_RDONLY
| O_DIRECTORY
);
2374 RtlEnterCriticalSection( &dir_section
);
2375 if ((kde
= start_vfat_ioctl( fd
)))
2377 unix_name
[pos
- 1] = '/';
2378 while (kde
[0].d_reclen
)
2380 /* make sure names are null-terminated to work around an x86-64 kernel bug */
2381 size_t len
= min(kde
[0].d_reclen
, sizeof(kde
[0].d_name
) - 1 );
2382 kde
[0].d_name
[len
] = 0;
2383 len
= min(kde
[1].d_reclen
, sizeof(kde
[1].d_name
) - 1 );
2384 kde
[1].d_name
[len
] = 0;
2386 if (kde
[1].d_name
[0])
2388 ret
= ntdll_umbstowcs( 0, kde
[1].d_name
, strlen(kde
[1].d_name
),
2389 buffer
, MAX_DIR_ENTRY_LEN
);
2390 if (ret
== length
&& !memicmpW( buffer
, name
, length
))
2392 strcpy( unix_name
+ pos
, kde
[1].d_name
);
2393 RtlLeaveCriticalSection( &dir_section
);
2398 ret
= ntdll_umbstowcs( 0, kde
[0].d_name
, strlen(kde
[0].d_name
),
2399 buffer
, MAX_DIR_ENTRY_LEN
);
2400 if (ret
== length
&& !memicmpW( buffer
, name
, length
))
2402 strcpy( unix_name
+ pos
,
2403 kde
[1].d_name
[0] ? kde
[1].d_name
: kde
[0].d_name
);
2404 RtlLeaveCriticalSection( &dir_section
);
2408 if (ioctl( fd
, VFAT_IOCTL_READDIR_BOTH
, (long)kde
) == -1)
2410 RtlLeaveCriticalSection( &dir_section
);
2416 RtlLeaveCriticalSection( &dir_section
);
2419 /* fall through to normal handling */
2421 #endif /* VFAT_IOCTL_READDIR_BOTH */
2423 if (!(dir
= opendir( unix_name
)))
2425 if (errno
== ENOENT
) return STATUS_OBJECT_PATH_NOT_FOUND
;
2426 else return FILE_GetNtStatus();
2428 unix_name
[pos
- 1] = '/';
2429 str
.Buffer
= buffer
;
2430 str
.MaximumLength
= sizeof(buffer
);
2431 while ((de
= readdir( dir
)))
2433 ret
= ntdll_umbstowcs( 0, de
->d_name
, strlen(de
->d_name
), buffer
, MAX_DIR_ENTRY_LEN
);
2434 if (ret
== length
&& !memicmpW( buffer
, name
, length
))
2436 strcpy( unix_name
+ pos
, de
->d_name
);
2441 if (!is_name_8_dot_3
) continue;
2443 str
.Length
= ret
* sizeof(WCHAR
);
2444 if (!RtlIsNameLegalDOS8Dot3( &str
, NULL
, &spaces
) || spaces
)
2446 WCHAR short_nameW
[12];
2447 ret
= hash_short_file_name( &str
, short_nameW
);
2448 if (ret
== length
&& !memicmpW( short_nameW
, name
, length
))
2450 strcpy( unix_name
+ pos
, de
->d_name
);
2459 unix_name
[pos
- 1] = 0;
2460 return STATUS_OBJECT_PATH_NOT_FOUND
;
2463 if (is_win_dir
&& !stat( unix_name
, &st
)) *is_win_dir
= is_same_file( &windir
, &st
);
2464 return STATUS_SUCCESS
;
2470 static const WCHAR catrootW
[] = {'s','y','s','t','e','m','3','2','\\','c','a','t','r','o','o','t',0};
2471 static const WCHAR catroot2W
[] = {'s','y','s','t','e','m','3','2','\\','c','a','t','r','o','o','t','2',0};
2472 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};
2473 static const WCHAR driversetcW
[] = {'s','y','s','t','e','m','3','2','\\','d','r','i','v','e','r','s','\\','e','t','c',0};
2474 static const WCHAR logfilesW
[] = {'s','y','s','t','e','m','3','2','\\','l','o','g','f','i','l','e','s',0};
2475 static const WCHAR spoolW
[] = {'s','y','s','t','e','m','3','2','\\','s','p','o','o','l',0};
2476 static const WCHAR system32W
[] = {'s','y','s','t','e','m','3','2',0};
2477 static const WCHAR syswow64W
[] = {'s','y','s','w','o','w','6','4',0};
2478 static const WCHAR sysnativeW
[] = {'s','y','s','n','a','t','i','v','e',0};
2479 static const WCHAR regeditW
[] = {'r','e','g','e','d','i','t','.','e','x','e',0};
2480 static const WCHAR wow_regeditW
[] = {'s','y','s','w','o','w','6','4','\\','r','e','g','e','d','i','t','.','e','x','e',0};
2484 const WCHAR
*source
;
2485 const WCHAR
*dos_target
;
2486 const char *unix_target
;
2489 { catrootW
, NULL
, NULL
},
2490 { catroot2W
, NULL
, NULL
},
2491 { driversstoreW
, NULL
, NULL
},
2492 { driversetcW
, NULL
, NULL
},
2493 { logfilesW
, NULL
, NULL
},
2494 { spoolW
, NULL
, NULL
},
2495 { system32W
, syswow64W
, NULL
},
2496 { sysnativeW
, system32W
, NULL
},
2497 { regeditW
, wow_regeditW
, NULL
}
2500 static unsigned int nb_redirects
;
2503 /***********************************************************************
2504 * get_redirect_target
2506 * Find the target unix name for a redirected dir.
2508 static const char *get_redirect_target( const char *windows_dir
, const WCHAR
*name
)
2510 int used_default
, len
, pos
, win_len
= strlen( windows_dir
);
2511 char *unix_name
, *unix_target
= NULL
;
2514 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, win_len
+ MAX_DIR_ENTRY_LEN
+ 2 )))
2516 memcpy( unix_name
, windows_dir
, win_len
);
2521 const WCHAR
*end
, *next
;
2523 for (end
= name
; *end
; end
++) if (IS_SEPARATOR(*end
)) break;
2524 for (next
= end
; *next
; next
++) if (!IS_SEPARATOR(*next
)) break;
2526 status
= find_file_in_dir( unix_name
, pos
, name
, end
- name
, FALSE
, NULL
);
2527 if (status
== STATUS_OBJECT_PATH_NOT_FOUND
&& !*next
) /* not finding last element is ok */
2529 len
= ntdll_wcstoumbs( 0, name
, end
- name
, unix_name
+ pos
+ 1,
2530 MAX_DIR_ENTRY_LEN
- (pos
- win_len
), NULL
, &used_default
);
2531 if (len
> 0 && !used_default
)
2533 unix_name
[pos
] = '/';
2539 if (status
) goto done
;
2540 pos
+= strlen( unix_name
+ pos
);
2544 if ((unix_target
= RtlAllocateHeap( GetProcessHeap(), 0, pos
- win_len
)))
2545 memcpy( unix_target
, unix_name
+ win_len
+ 1, pos
- win_len
);
2548 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2553 /***********************************************************************
2556 static void init_redirects(void)
2558 UNICODE_STRING nt_name
;
2559 ANSI_STRING unix_name
;
2564 if (!RtlDosPathNameToNtPathName_U( user_shared_data
->NtSystemRoot
, &nt_name
, NULL
, NULL
))
2566 ERR( "can't convert %s\n", debugstr_w(user_shared_data
->NtSystemRoot
) );
2569 status
= wine_nt_to_unix_file_name( &nt_name
, &unix_name
, FILE_OPEN_IF
, FALSE
);
2570 RtlFreeUnicodeString( &nt_name
);
2573 ERR( "cannot open %s (%x)\n", debugstr_w(user_shared_data
->NtSystemRoot
), status
);
2576 if (!stat( unix_name
.Buffer
, &st
))
2578 windir
.dev
= st
.st_dev
;
2579 windir
.ino
= st
.st_ino
;
2580 nb_redirects
= sizeof(redirects
) / sizeof(redirects
[0]);
2581 for (i
= 0; i
< nb_redirects
; i
++)
2583 if (!redirects
[i
].dos_target
) continue;
2584 redirects
[i
].unix_target
= get_redirect_target( unix_name
.Buffer
, redirects
[i
].dos_target
);
2585 TRACE( "%s -> %s\n", debugstr_w(redirects
[i
].source
), redirects
[i
].unix_target
);
2588 RtlFreeAnsiString( &unix_name
);
2593 /***********************************************************************
2596 * Check if path matches a redirect name. If yes, return matched length.
2598 static int match_redirect( const WCHAR
*path
, int len
, const WCHAR
*redir
, BOOLEAN check_case
)
2602 while (i
< len
&& *redir
)
2604 if (IS_SEPARATOR(path
[i
]))
2606 if (*redir
++ != '\\') return 0;
2607 while (i
< len
&& IS_SEPARATOR(path
[i
])) i
++;
2608 continue; /* move on to next path component */
2610 else if (check_case
)
2612 if (path
[i
] != *redir
) return 0;
2616 if (tolowerW(path
[i
]) != tolowerW(*redir
)) return 0;
2621 if (*redir
) return 0;
2622 if (i
< len
&& !IS_SEPARATOR(path
[i
])) return 0;
2623 while (i
< len
&& IS_SEPARATOR(path
[i
])) i
++;
2628 /***********************************************************************
2631 * Retrieve the Unix path corresponding to a redirected path if any.
2633 static int get_redirect_path( char *unix_name
, int pos
, const WCHAR
*name
, int length
, BOOLEAN check_case
)
2638 for (i
= 0; i
< nb_redirects
; i
++)
2640 if ((len
= match_redirect( name
, length
, redirects
[i
].source
, check_case
)))
2642 if (!redirects
[i
].unix_target
) break;
2643 unix_name
[pos
++] = '/';
2644 strcpy( unix_name
+ pos
, redirects
[i
].unix_target
);
2653 /* there are no redirects on 64-bit */
2655 static const unsigned int nb_redirects
= 0;
2657 static int get_redirect_path( char *unix_name
, int pos
, const WCHAR
*name
, int length
, BOOLEAN check_case
)
2664 /***********************************************************************
2665 * DIR_init_windows_dir
2667 void DIR_init_windows_dir( const WCHAR
*win
, const WCHAR
*sys
)
2669 /* FIXME: should probably store paths as NT file names */
2671 RtlCreateUnicodeString( &system_dir
, sys
);
2674 if (is_wow64
) init_redirects();
2679 /******************************************************************************
2682 * Get the Unix path of a DOS device.
2684 static NTSTATUS
get_dos_device( const WCHAR
*name
, UINT name_len
, ANSI_STRING
*unix_name_ret
)
2686 const char *config_dir
= wine_get_config_dir();
2688 char *unix_name
, *new_name
, *dev
;
2692 /* make sure the device name is ASCII */
2693 for (i
= 0; i
< name_len
; i
++)
2694 if (name
[i
] <= 32 || name
[i
] >= 127) return STATUS_BAD_DEVICE_TYPE
;
2696 unix_len
= strlen(config_dir
) + sizeof("/dosdevices/") + name_len
+ 1;
2698 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
)))
2699 return STATUS_NO_MEMORY
;
2701 strcpy( unix_name
, config_dir
);
2702 strcat( unix_name
, "/dosdevices/" );
2703 dev
= unix_name
+ strlen(unix_name
);
2705 for (i
= 0; i
< name_len
; i
++) dev
[i
] = (char)tolowerW(name
[i
]);
2708 /* special case for drive devices */
2709 if (name_len
== 2 && dev
[1] == ':')
2717 if (!stat( unix_name
, &st
))
2719 TRACE( "%s -> %s\n", debugstr_wn(name
,name_len
), debugstr_a(unix_name
) );
2720 unix_name_ret
->Buffer
= unix_name
;
2721 unix_name_ret
->Length
= strlen(unix_name
);
2722 unix_name_ret
->MaximumLength
= unix_len
;
2723 return STATUS_SUCCESS
;
2727 /* now try some defaults for it */
2728 if (!strcmp( dev
, "aux" ))
2730 strcpy( dev
, "com1" );
2733 if (!strcmp( dev
, "prn" ))
2735 strcpy( dev
, "lpt1" );
2740 if (dev
[1] == ':' && dev
[2] == ':') /* drive device */
2742 dev
[2] = 0; /* remove last ':' to get the drive mount point symlink */
2743 new_name
= get_default_drive_device( unix_name
);
2745 else if (!strncmp( dev
, "com", 3 )) new_name
= get_default_com_device( atoi(dev
+ 3 ));
2746 else if (!strncmp( dev
, "lpt", 3 )) new_name
= get_default_lpt_device( atoi(dev
+ 3 ));
2748 if (!new_name
) break;
2750 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2751 unix_name
= new_name
;
2752 unix_len
= strlen(unix_name
) + 1;
2753 dev
= NULL
; /* last try */
2755 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2756 return STATUS_BAD_DEVICE_TYPE
;
2760 /* return the length of the DOS namespace prefix if any */
2761 static inline int get_dos_prefix_len( const UNICODE_STRING
*name
)
2763 static const WCHAR nt_prefixW
[] = {'\\','?','?','\\'};
2764 static const WCHAR dosdev_prefixW
[] = {'\\','D','o','s','D','e','v','i','c','e','s','\\'};
2766 if (name
->Length
>= sizeof(nt_prefixW
) &&
2767 !memcmp( name
->Buffer
, nt_prefixW
, sizeof(nt_prefixW
) ))
2768 return sizeof(nt_prefixW
) / sizeof(WCHAR
);
2770 if (name
->Length
>= sizeof(dosdev_prefixW
) &&
2771 !memicmpW( name
->Buffer
, dosdev_prefixW
, sizeof(dosdev_prefixW
)/sizeof(WCHAR
) ))
2772 return sizeof(dosdev_prefixW
) / sizeof(WCHAR
);
2778 /******************************************************************************
2781 * Recursively search directories from the dir queue for a given inode.
2783 static NTSTATUS
find_file_id( ANSI_STRING
*unix_name
, ULONGLONG file_id
, dev_t dev
)
2791 while (!(status
= next_dir_in_queue( unix_name
->Buffer
)))
2793 if (!(dir
= opendir( unix_name
->Buffer
))) continue;
2794 TRACE( "searching %s for %s\n", unix_name
->Buffer
, wine_dbgstr_longlong(file_id
) );
2795 pos
= strlen( unix_name
->Buffer
);
2796 if (pos
+ MAX_DIR_ENTRY_LEN
>= unix_name
->MaximumLength
/sizeof(WCHAR
))
2798 char *new = RtlReAllocateHeap( GetProcessHeap(), 0, unix_name
->Buffer
,
2799 unix_name
->MaximumLength
* 2 );
2803 return STATUS_NO_MEMORY
;
2805 unix_name
->MaximumLength
*= 2;
2806 unix_name
->Buffer
= new;
2808 unix_name
->Buffer
[pos
++] = '/';
2809 while ((de
= readdir( dir
)))
2811 if (!strcmp( de
->d_name
, "." ) || !strcmp( de
->d_name
, ".." )) continue;
2812 strcpy( unix_name
->Buffer
+ pos
, de
->d_name
);
2813 if (lstat( unix_name
->Buffer
, &st
) == -1) continue;
2814 if (st
.st_dev
!= dev
) continue;
2815 if (st
.st_ino
== file_id
)
2818 return STATUS_SUCCESS
;
2820 if (!S_ISDIR( st
.st_mode
)) continue;
2821 if ((status
= add_dir_to_queue( unix_name
->Buffer
)) != STATUS_SUCCESS
)
2833 /******************************************************************************
2834 * file_id_to_unix_file_name
2836 * Lookup a file from its file id instead of its name.
2838 NTSTATUS
file_id_to_unix_file_name( const OBJECT_ATTRIBUTES
*attr
, ANSI_STRING
*unix_name
)
2840 enum server_fd_type type
;
2841 int old_cwd
, root_fd
, needs_close
;
2844 struct stat st
, root_st
;
2846 if (attr
->ObjectName
->Length
!= sizeof(ULONGLONG
)) return STATUS_OBJECT_PATH_SYNTAX_BAD
;
2847 if (!attr
->RootDirectory
) return STATUS_INVALID_PARAMETER
;
2848 memcpy( &file_id
, attr
->ObjectName
->Buffer
, sizeof(file_id
) );
2850 unix_name
->MaximumLength
= 2 * MAX_DIR_ENTRY_LEN
+ 4;
2851 if (!(unix_name
->Buffer
= RtlAllocateHeap( GetProcessHeap(), 0, unix_name
->MaximumLength
)))
2852 return STATUS_NO_MEMORY
;
2853 strcpy( unix_name
->Buffer
, "." );
2855 if ((status
= server_get_unix_fd( attr
->RootDirectory
, 0, &root_fd
, &needs_close
, &type
, NULL
)))
2858 if (type
!= FD_TYPE_DIR
)
2860 status
= STATUS_OBJECT_TYPE_MISMATCH
;
2864 fstat( root_fd
, &root_st
);
2865 if (root_st
.st_ino
== file_id
) /* shortcut for "." */
2867 status
= STATUS_SUCCESS
;
2871 RtlEnterCriticalSection( &dir_section
);
2872 if ((old_cwd
= open( ".", O_RDONLY
)) != -1 && fchdir( root_fd
) != -1)
2874 /* shortcut for ".." */
2875 if (!stat( "..", &st
) && st
.st_dev
== root_st
.st_dev
&& st
.st_ino
== file_id
)
2877 strcpy( unix_name
->Buffer
, ".." );
2878 status
= STATUS_SUCCESS
;
2882 status
= add_dir_to_queue( "." );
2884 status
= find_file_id( unix_name
, file_id
, root_st
.st_dev
);
2885 if (!status
) /* get rid of "./" prefix */
2886 memmove( unix_name
->Buffer
, unix_name
->Buffer
+ 2, strlen(unix_name
->Buffer
) - 1 );
2889 if (fchdir( old_cwd
) == -1) chdir( "/" );
2891 else status
= FILE_GetNtStatus();
2892 RtlLeaveCriticalSection( &dir_section
);
2893 if (old_cwd
!= -1) close( old_cwd
);
2896 if (status
== STATUS_SUCCESS
)
2898 TRACE( "%s -> %s\n", wine_dbgstr_longlong(file_id
), debugstr_a(unix_name
->Buffer
) );
2899 unix_name
->Length
= strlen( unix_name
->Buffer
);
2903 TRACE( "%s not found in dir %p\n", wine_dbgstr_longlong(file_id
), attr
->RootDirectory
);
2904 RtlFreeHeap( GetProcessHeap(), 0, unix_name
->Buffer
);
2906 if (needs_close
) close( root_fd
);
2911 /******************************************************************************
2914 * Helper for nt_to_unix_file_name
2916 static NTSTATUS
lookup_unix_name( const WCHAR
*name
, int name_len
, char **buffer
, int unix_len
, int pos
,
2917 UINT disposition
, BOOLEAN check_case
)
2920 int ret
, used_default
, len
;
2922 char *unix_name
= *buffer
;
2923 const BOOL redirect
= nb_redirects
&& ntdll_get_thread_data()->wow64_redir
;
2925 /* try a shortcut first */
2927 ret
= ntdll_wcstoumbs( 0, name
, name_len
, unix_name
+ pos
, unix_len
- pos
- 1,
2928 NULL
, &used_default
);
2930 while (name_len
&& IS_SEPARATOR(*name
))
2936 if (ret
>= 0 && !used_default
) /* if we used the default char the name didn't convert properly */
2939 unix_name
[pos
+ ret
] = 0;
2940 for (p
= unix_name
+ pos
; *p
; p
++) if (*p
== '\\') *p
= '/';
2941 if (!redirect
|| (!strstr( unix_name
, "/windows/") && strncmp( unix_name
, "windows/", 8 )))
2943 if (!stat( unix_name
, &st
))
2945 /* creation fails with STATUS_ACCESS_DENIED for the root of the drive */
2946 if (disposition
== FILE_CREATE
)
2947 return name_len
? STATUS_OBJECT_NAME_COLLISION
: STATUS_ACCESS_DENIED
;
2948 return STATUS_SUCCESS
;
2953 if (!name_len
) /* empty name -> drive root doesn't exist */
2954 return STATUS_OBJECT_PATH_NOT_FOUND
;
2955 if (check_case
&& !redirect
&& (disposition
== FILE_OPEN
|| disposition
== FILE_OVERWRITE
))
2956 return STATUS_OBJECT_NAME_NOT_FOUND
;
2958 /* now do it component by component */
2962 const WCHAR
*end
, *next
;
2963 BOOLEAN is_win_dir
= FALSE
;
2966 while (end
< name
+ name_len
&& !IS_SEPARATOR(*end
)) end
++;
2968 while (next
< name
+ name_len
&& IS_SEPARATOR(*next
)) next
++;
2969 name_len
-= next
- name
;
2971 /* grow the buffer if needed */
2973 if (unix_len
- pos
< MAX_DIR_ENTRY_LEN
+ 2)
2976 unix_len
+= 2 * MAX_DIR_ENTRY_LEN
;
2977 if (!(new_name
= RtlReAllocateHeap( GetProcessHeap(), 0, unix_name
, unix_len
)))
2978 return STATUS_NO_MEMORY
;
2979 unix_name
= *buffer
= new_name
;
2982 status
= find_file_in_dir( unix_name
, pos
, name
, end
- name
,
2983 check_case
, redirect
? &is_win_dir
: NULL
);
2985 /* if this is the last element, not finding it is not necessarily fatal */
2988 if (status
== STATUS_OBJECT_PATH_NOT_FOUND
)
2990 status
= STATUS_OBJECT_NAME_NOT_FOUND
;
2991 if (disposition
!= FILE_OPEN
&& disposition
!= FILE_OVERWRITE
)
2993 ret
= ntdll_wcstoumbs( 0, name
, end
- name
, unix_name
+ pos
+ 1,
2994 MAX_DIR_ENTRY_LEN
, NULL
, &used_default
);
2995 if (ret
> 0 && !used_default
)
2997 unix_name
[pos
] = '/';
2998 unix_name
[pos
+ 1 + ret
] = 0;
2999 status
= STATUS_NO_SUCH_FILE
;
3004 else if (status
== STATUS_SUCCESS
&& disposition
== FILE_CREATE
)
3006 status
= STATUS_OBJECT_NAME_COLLISION
;
3010 if (status
!= STATUS_SUCCESS
) break;
3012 pos
+= strlen( unix_name
+ pos
);
3015 if (is_win_dir
&& (len
= get_redirect_path( unix_name
, pos
, name
, name_len
, check_case
)))
3019 pos
+= strlen( unix_name
+ pos
);
3020 TRACE( "redirecting -> %s + %s\n", debugstr_a(unix_name
), debugstr_w(name
) );
3028 /******************************************************************************
3029 * nt_to_unix_file_name_attr
3031 NTSTATUS
nt_to_unix_file_name_attr( const OBJECT_ATTRIBUTES
*attr
, ANSI_STRING
*unix_name_ret
,
3034 static const WCHAR invalid_charsW
[] = { INVALID_NT_CHARS
, 0 };
3035 enum server_fd_type type
;
3036 int old_cwd
, root_fd
, needs_close
;
3037 const WCHAR
*name
, *p
;
3039 int name_len
, unix_len
;
3041 BOOLEAN check_case
= !(attr
->Attributes
& OBJ_CASE_INSENSITIVE
);
3043 if (!attr
->RootDirectory
) /* without root dir fall back to normal lookup */
3044 return wine_nt_to_unix_file_name( attr
->ObjectName
, unix_name_ret
, disposition
, check_case
);
3046 name
= attr
->ObjectName
->Buffer
;
3047 name_len
= attr
->ObjectName
->Length
/ sizeof(WCHAR
);
3049 if (name_len
&& IS_SEPARATOR(name
[0])) return STATUS_INVALID_PARAMETER
;
3051 /* check for invalid characters */
3052 for (p
= name
; p
< name
+ name_len
; p
++)
3053 if (*p
< 32 || strchrW( invalid_charsW
, *p
)) return STATUS_OBJECT_NAME_INVALID
;
3055 unix_len
= ntdll_wcstoumbs( 0, name
, name_len
, NULL
, 0, NULL
, NULL
);
3056 unix_len
+= MAX_DIR_ENTRY_LEN
+ 3;
3057 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
)))
3058 return STATUS_NO_MEMORY
;
3061 if (!(status
= server_get_unix_fd( attr
->RootDirectory
, 0, &root_fd
, &needs_close
, &type
, NULL
)))
3063 if (type
!= FD_TYPE_DIR
)
3065 if (needs_close
) close( root_fd
);
3066 status
= STATUS_BAD_DEVICE_TYPE
;
3070 RtlEnterCriticalSection( &dir_section
);
3071 if ((old_cwd
= open( ".", O_RDONLY
)) != -1 && fchdir( root_fd
) != -1)
3073 status
= lookup_unix_name( name
, name_len
, &unix_name
, unix_len
, 1,
3074 disposition
, check_case
);
3075 if (fchdir( old_cwd
) == -1) chdir( "/" );
3077 else status
= FILE_GetNtStatus();
3078 RtlLeaveCriticalSection( &dir_section
);
3079 if (old_cwd
!= -1) close( old_cwd
);
3080 if (needs_close
) close( root_fd
);
3083 else if (status
== STATUS_OBJECT_TYPE_MISMATCH
) status
= STATUS_BAD_DEVICE_TYPE
;
3085 if (status
== STATUS_SUCCESS
|| status
== STATUS_NO_SUCH_FILE
)
3087 TRACE( "%s -> %s\n", debugstr_us(attr
->ObjectName
), debugstr_a(unix_name
) );
3088 unix_name_ret
->Buffer
= unix_name
;
3089 unix_name_ret
->Length
= strlen(unix_name
);
3090 unix_name_ret
->MaximumLength
= unix_len
;
3094 TRACE( "%s not found in %s\n", debugstr_w(name
), unix_name
);
3095 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
3101 /******************************************************************************
3102 * wine_nt_to_unix_file_name (NTDLL.@) Not a Windows API
3104 * Convert a file name from NT namespace to Unix namespace.
3106 * If disposition is not FILE_OPEN or FILE_OVERWRITE, the last path
3107 * element doesn't have to exist; in that case STATUS_NO_SUCH_FILE is
3108 * returned, but the unix name is still filled in properly.
3110 NTSTATUS CDECL
wine_nt_to_unix_file_name( const UNICODE_STRING
*nameW
, ANSI_STRING
*unix_name_ret
,
3111 UINT disposition
, BOOLEAN check_case
)
3113 static const WCHAR unixW
[] = {'u','n','i','x'};
3114 static const WCHAR invalid_charsW
[] = { INVALID_NT_CHARS
, 0 };
3116 NTSTATUS status
= STATUS_SUCCESS
;
3117 const char *config_dir
= wine_get_config_dir();
3118 const WCHAR
*name
, *p
;
3121 int pos
, ret
, name_len
, unix_len
, prefix_len
, used_default
;
3122 WCHAR prefix
[MAX_DIR_ENTRY_LEN
];
3123 BOOLEAN is_unix
= FALSE
;
3125 name
= nameW
->Buffer
;
3126 name_len
= nameW
->Length
/ sizeof(WCHAR
);
3128 if (!name_len
|| !IS_SEPARATOR(name
[0])) return STATUS_OBJECT_PATH_SYNTAX_BAD
;
3130 if (!(pos
= get_dos_prefix_len( nameW
)))
3131 return STATUS_BAD_DEVICE_TYPE
; /* no DOS prefix, assume NT native name */
3136 if (!name_len
) return STATUS_OBJECT_NAME_INVALID
;
3138 /* check for sub-directory */
3139 for (pos
= 0; pos
< name_len
; pos
++)
3141 if (IS_SEPARATOR(name
[pos
])) break;
3142 if (name
[pos
] < 32 || strchrW( invalid_charsW
, name
[pos
] ))
3143 return STATUS_OBJECT_NAME_INVALID
;
3145 if (pos
> MAX_DIR_ENTRY_LEN
)
3146 return STATUS_OBJECT_NAME_INVALID
;
3148 if (pos
== name_len
) /* no subdir, plain DOS device */
3149 return get_dos_device( name
, name_len
, unix_name_ret
);
3151 for (prefix_len
= 0; prefix_len
< pos
; prefix_len
++)
3152 prefix
[prefix_len
] = tolowerW(name
[prefix_len
]);
3155 name_len
-= prefix_len
;
3157 /* check for invalid characters (all chars except 0 are valid for unix) */
3158 is_unix
= (prefix_len
== 4 && !memcmp( prefix
, unixW
, sizeof(unixW
) ));
3161 for (p
= name
; p
< name
+ name_len
; p
++)
3162 if (!*p
) return STATUS_OBJECT_NAME_INVALID
;
3167 for (p
= name
; p
< name
+ name_len
; p
++)
3168 if (*p
< 32 || strchrW( invalid_charsW
, *p
)) return STATUS_OBJECT_NAME_INVALID
;
3171 unix_len
= ntdll_wcstoumbs( 0, prefix
, prefix_len
, NULL
, 0, NULL
, NULL
);
3172 unix_len
+= ntdll_wcstoumbs( 0, name
, name_len
, NULL
, 0, NULL
, NULL
);
3173 unix_len
+= MAX_DIR_ENTRY_LEN
+ 3;
3174 unix_len
+= strlen(config_dir
) + sizeof("/dosdevices/");
3175 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
)))
3176 return STATUS_NO_MEMORY
;
3177 strcpy( unix_name
, config_dir
);
3178 strcat( unix_name
, "/dosdevices/" );
3179 pos
= strlen(unix_name
);
3181 ret
= ntdll_wcstoumbs( 0, prefix
, prefix_len
, unix_name
+ pos
, unix_len
- pos
- 1,
3182 NULL
, &used_default
);
3183 if (!ret
|| used_default
)
3185 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
3186 return STATUS_OBJECT_NAME_INVALID
;
3190 /* check if prefix exists (except for DOS drives to avoid extra stat calls) */
3192 if (prefix_len
!= 2 || prefix
[1] != ':')
3195 if (lstat( unix_name
, &st
) == -1 && errno
== ENOENT
)
3199 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
3200 return STATUS_BAD_DEVICE_TYPE
;
3202 pos
= 0; /* fall back to unix root */
3206 status
= lookup_unix_name( name
, name_len
, &unix_name
, unix_len
, pos
, disposition
, check_case
);
3207 if (status
== STATUS_SUCCESS
|| status
== STATUS_NO_SUCH_FILE
)
3209 TRACE( "%s -> %s\n", debugstr_us(nameW
), debugstr_a(unix_name
) );
3210 unix_name_ret
->Buffer
= unix_name
;
3211 unix_name_ret
->Length
= strlen(unix_name
);
3212 unix_name_ret
->MaximumLength
= unix_len
;
3216 TRACE( "%s not found in %s\n", debugstr_w(name
), unix_name
);
3217 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
3223 /******************************************************************
3224 * RtlWow64EnableFsRedirection (NTDLL.@)
3226 NTSTATUS WINAPI
RtlWow64EnableFsRedirection( BOOLEAN enable
)
3228 if (!is_wow64
) return STATUS_NOT_IMPLEMENTED
;
3229 ntdll_get_thread_data()->wow64_redir
= enable
;
3230 return STATUS_SUCCESS
;
3234 /******************************************************************
3235 * RtlWow64EnableFsRedirectionEx (NTDLL.@)
3237 NTSTATUS WINAPI
RtlWow64EnableFsRedirectionEx( ULONG disable
, ULONG
*old_value
)
3239 if (!is_wow64
) return STATUS_NOT_IMPLEMENTED
;
3240 if (((ULONG_PTR
)old_value
>> 16) == 0) return STATUS_ACCESS_VIOLATION
;
3242 *old_value
= !ntdll_get_thread_data()->wow64_redir
;
3243 ntdll_get_thread_data()->wow64_redir
= !disable
;
3244 return STATUS_SUCCESS
;
3248 /******************************************************************
3249 * RtlDoesFileExists_U (NTDLL.@)
3251 BOOLEAN WINAPI
RtlDoesFileExists_U(LPCWSTR file_name
)
3253 UNICODE_STRING nt_name
;
3254 FILE_BASIC_INFORMATION basic_info
;
3255 OBJECT_ATTRIBUTES attr
;
3258 if (!RtlDosPathNameToNtPathName_U( file_name
, &nt_name
, NULL
, NULL
)) return FALSE
;
3260 attr
.Length
= sizeof(attr
);
3261 attr
.RootDirectory
= 0;
3262 attr
.ObjectName
= &nt_name
;
3263 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
3264 attr
.SecurityDescriptor
= NULL
;
3265 attr
.SecurityQualityOfService
= NULL
;
3267 ret
= NtQueryAttributesFile(&attr
, &basic_info
) == STATUS_SUCCESS
;
3269 RtlFreeUnicodeString( &nt_name
);
3274 /***********************************************************************
3275 * DIR_unmount_device
3277 * Unmount the specified device.
3279 NTSTATUS
DIR_unmount_device( HANDLE handle
)
3282 int unix_fd
, needs_close
;
3284 if (!(status
= server_get_unix_fd( handle
, 0, &unix_fd
, &needs_close
, NULL
, NULL
)))
3287 char *mount_point
= NULL
;
3289 if (fstat( unix_fd
, &st
) == -1 || !is_valid_mounted_device( &st
))
3290 status
= STATUS_INVALID_PARAMETER
;
3293 if ((mount_point
= get_device_mount_point( st
.st_rdev
)))
3296 static const char umount
[] = "diskutil unmount >/dev/null 2>&1 ";
3298 static const char umount
[] = "umount >/dev/null 2>&1 ";
3300 char *cmd
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(mount_point
)+sizeof(umount
));
3303 strcpy( cmd
, umount
);
3304 strcat( cmd
, mount_point
);
3306 RtlFreeHeap( GetProcessHeap(), 0, cmd
);
3308 /* umount will fail to release the loop device since we still have
3309 a handle to it, so we release it here */
3310 if (major(st
.st_rdev
) == LOOP_MAJOR
) ioctl( unix_fd
, 0x4c01 /*LOOP_CLR_FD*/, 0 );
3313 RtlFreeHeap( GetProcessHeap(), 0, mount_point
);
3316 if (needs_close
) close( unix_fd
);
3322 /******************************************************************************
3325 * Retrieve the Unix name of the current directory; helper for wine_unix_to_nt_file_name.
3326 * Returned value must be freed by caller.
3328 NTSTATUS
DIR_get_unix_cwd( char **cwd
)
3330 int old_cwd
, unix_fd
, needs_close
;
3335 RtlAcquirePebLock();
3337 if (NtCurrentTeb()->Tib
.SubSystemTib
) /* FIXME: hack */
3338 curdir
= &((WIN16_SUBSYSTEM_TIB
*)NtCurrentTeb()->Tib
.SubSystemTib
)->curdir
;
3340 curdir
= &NtCurrentTeb()->Peb
->ProcessParameters
->CurrentDirectory
;
3342 if (!(handle
= curdir
->Handle
))
3344 UNICODE_STRING dirW
;
3345 OBJECT_ATTRIBUTES attr
;
3348 if (!RtlDosPathNameToNtPathName_U( curdir
->DosPath
.Buffer
, &dirW
, NULL
, NULL
))
3350 status
= STATUS_OBJECT_NAME_INVALID
;
3353 attr
.Length
= sizeof(attr
);
3354 attr
.RootDirectory
= 0;
3355 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
3356 attr
.ObjectName
= &dirW
;
3357 attr
.SecurityDescriptor
= NULL
;
3358 attr
.SecurityQualityOfService
= NULL
;
3360 status
= NtOpenFile( &handle
, 0, &attr
, &io
, 0,
3361 FILE_DIRECTORY_FILE
| FILE_SYNCHRONOUS_IO_NONALERT
);
3362 RtlFreeUnicodeString( &dirW
);
3363 if (status
!= STATUS_SUCCESS
) goto done
;
3366 if ((status
= server_get_unix_fd( handle
, 0, &unix_fd
, &needs_close
, NULL
, NULL
)) == STATUS_SUCCESS
)
3368 RtlEnterCriticalSection( &dir_section
);
3370 if ((old_cwd
= open(".", O_RDONLY
)) != -1 && fchdir( unix_fd
) != -1)
3372 unsigned int size
= 512;
3376 if (!(*cwd
= RtlAllocateHeap( GetProcessHeap(), 0, size
)))
3378 status
= STATUS_NO_MEMORY
;
3381 if (getcwd( *cwd
, size
)) break;
3382 RtlFreeHeap( GetProcessHeap(), 0, *cwd
);
3383 if (errno
!= ERANGE
)
3385 status
= STATUS_OBJECT_PATH_INVALID
;
3390 if (fchdir( old_cwd
) == -1) chdir( "/" );
3392 else status
= FILE_GetNtStatus();
3394 RtlLeaveCriticalSection( &dir_section
);
3395 if (old_cwd
!= -1) close( old_cwd
);
3396 if (needs_close
) close( unix_fd
);
3398 if (!curdir
->Handle
) NtClose( handle
);
3401 RtlReleasePebLock();