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
< 1 || num
> 256) return NULL
;
336 ret
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/ttyS256") );
337 if (!ret
) return NULL
;
338 sprintf( ret
, "/dev/ttyS%d", num
- 1 );
339 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
340 ret
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/cuau256") );
341 if (!ret
) return NULL
;
342 sprintf( ret
, "/dev/cuau%d", num
- 1 );
343 #elif defined(__DragonFly__)
344 ret
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/cuaa256") );
345 if (!ret
) return NULL
;
346 sprintf( ret
, "/dev/cuaa%d", num
- 1 );
348 FIXME( "no known default for device com%d\n", num
);
354 /***********************************************************************
355 * get_default_lpt_device
357 * Return the default device to use for parallel ports.
359 static char *get_default_lpt_device( int num
)
363 if (num
< 1 || num
> 256) return NULL
;
365 ret
= RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/lp256") );
366 if (!ret
) return NULL
;
367 sprintf( ret
, "/dev/lp%d", num
- 1 );
369 FIXME( "no known default for device lpt%d\n", num
);
376 static char *unescape_field( char *str
)
380 for (in
= out
= str
; *in
; in
++, out
++)
390 else if (in
[1] == '0' && in
[2] == '4' && in
[3] == '0')
395 else if (in
[1] == '0' && in
[2] == '1' && in
[3] == '1')
400 else if (in
[1] == '0' && in
[2] == '1' && in
[3] == '2')
405 else if (in
[1] == '1' && in
[2] == '3' && in
[3] == '4')
417 static inline char *get_field( char **str
)
421 ret
= strsep( str
, " \t" );
422 if (*str
) *str
+= strspn( *str
, " \t" );
426 /************************************************************************
427 * getmntent_replacement
429 * getmntent replacement for Android.
431 * NB returned static buffer is not thread safe; protect with dir_section.
433 static struct mntent
*getmntent_replacement( FILE *f
)
435 static struct mntent entry
;
436 static char buf
[4096];
441 if (!fgets( buf
, sizeof(buf
), f
)) return NULL
;
442 p
= strchr( buf
, '\n' );
444 else /* Partially unread line, move file ptr to end */
447 while (fgets( tmp
, sizeof(tmp
), f
))
448 if (strchr( tmp
, '\n' )) break;
450 start
= buf
+ strspn( buf
, " \t" );
451 } while (start
[0] == '\0' || start
[0] == '#');
453 p
= get_field( &start
);
454 entry
.mnt_fsname
= p
? unescape_field( p
) : (char *)"";
456 p
= get_field( &start
);
457 entry
.mnt_dir
= p
? unescape_field( p
) : (char *)"";
459 p
= get_field( &start
);
460 entry
.mnt_type
= p
? unescape_field( p
) : (char *)"";
462 p
= get_field( &start
);
463 entry
.mnt_opts
= p
? unescape_field( p
) : (char *)"";
465 p
= get_field( &start
);
466 entry
.mnt_freq
= p
? atoi(p
) : 0;
468 p
= get_field( &start
);
469 entry
.mnt_passno
= p
? atoi(p
) : 0;
473 #define getmntent getmntent_replacement
476 /***********************************************************************
477 * DIR_get_drives_info
479 * Retrieve device/inode number for all the drives. Helper for find_drive_root.
481 unsigned int DIR_get_drives_info( struct drive_info info
[MAX_DOS_DRIVES
] )
483 static struct drive_info cache
[MAX_DOS_DRIVES
];
484 static time_t last_update
;
485 static unsigned int nb_drives
;
487 time_t now
= time(NULL
);
489 RtlEnterCriticalSection( &dir_section
);
490 if (now
!= last_update
)
492 const char *config_dir
= wine_get_config_dir();
497 if ((buffer
= RtlAllocateHeap( GetProcessHeap(), 0,
498 strlen(config_dir
) + sizeof("/dosdevices/a:") )))
500 strcpy( buffer
, config_dir
);
501 strcat( buffer
, "/dosdevices/a:" );
502 p
= buffer
+ strlen(buffer
) - 2;
504 for (i
= nb_drives
= 0; i
< MAX_DOS_DRIVES
; i
++)
507 if (!stat( buffer
, &st
))
509 cache
[i
].dev
= st
.st_dev
;
510 cache
[i
].ino
= st
.st_ino
;
519 RtlFreeHeap( GetProcessHeap(), 0, buffer
);
523 memcpy( info
, cache
, sizeof(cache
) );
525 RtlLeaveCriticalSection( &dir_section
);
530 /***********************************************************************
531 * parse_mount_entries
533 * Parse mount entries looking for a given device. Helper for get_default_drive_device.
537 #include <sys/vfstab.h>
538 static char *parse_vfstab_entries( FILE *f
, dev_t dev
, ino_t ino
)
544 while (! getvfsent( f
, &entry
))
546 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
547 if (!strcmp( entry
.vfs_fstype
, "nfs" ) ||
548 !strcmp( entry
.vfs_fstype
, "smbfs" ) ||
549 !strcmp( entry
.vfs_fstype
, "ncpfs" )) continue;
551 if (stat( entry
.vfs_mountp
, &st
) == -1) continue;
552 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
553 if (!strcmp( entry
.vfs_fstype
, "fd" ))
555 if ((device
= strstr( entry
.vfs_mntopts
, "dev=" )))
557 char *p
= strchr( device
+ 4, ',' );
563 return entry
.vfs_special
;
570 static char *parse_mount_entries( FILE *f
, dev_t dev
, ino_t ino
)
572 struct mntent
*entry
;
576 while ((entry
= getmntent( f
)))
578 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
579 if (!strcmp( entry
->mnt_type
, "nfs" ) ||
580 !strcmp( entry
->mnt_type
, "smbfs" ) ||
581 !strcmp( entry
->mnt_type
, "ncpfs" )) continue;
583 if (stat( entry
->mnt_dir
, &st
) == -1) continue;
584 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
585 if (!strcmp( entry
->mnt_type
, "supermount" ))
587 if ((device
= strstr( entry
->mnt_opts
, "dev=" )))
589 char *p
= strchr( device
+ 4, ',' );
594 else if (!stat( entry
->mnt_fsname
, &st
) && S_ISREG(st
.st_mode
))
596 /* if device is a regular file check for a loop mount */
597 if ((device
= strstr( entry
->mnt_opts
, "loop=" )))
599 char *p
= strchr( device
+ 5, ',' );
605 return entry
->mnt_fsname
;
611 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
613 static char *parse_mount_entries( FILE *f
, dev_t dev
, ino_t ino
)
618 while ((entry
= getfsent()))
620 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
621 if (!strcmp( entry
->fs_vfstype
, "nfs" ) ||
622 !strcmp( entry
->fs_vfstype
, "smbfs" ) ||
623 !strcmp( entry
->fs_vfstype
, "ncpfs" )) continue;
625 if (stat( entry
->fs_file
, &st
) == -1) continue;
626 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
627 return entry
->fs_spec
;
634 #include <sys/mnttab.h>
635 static char *parse_mount_entries( FILE *f
, dev_t dev
, ino_t ino
)
642 while (( ! getmntent( f
, &entry
) ))
644 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
645 if (!strcmp( entry
.mnt_fstype
, "nfs" ) ||
646 !strcmp( entry
.mnt_fstype
, "smbfs" ) ||
647 !strcmp( entry
.mnt_fstype
, "ncpfs" )) continue;
649 if (stat( entry
.mnt_mountp
, &st
) == -1) continue;
650 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
651 if (!strcmp( entry
.mnt_fstype
, "fd" ))
653 if ((device
= strstr( entry
.mnt_mntopts
, "dev=" )))
655 char *p
= strchr( device
+ 4, ',' );
661 return entry
.mnt_special
;
667 /***********************************************************************
668 * get_default_drive_device
670 * Return the default device to use for a given drive mount point.
672 static char *get_default_drive_device( const char *root
)
682 /* try to open it first to force it to get mounted */
683 if ((fd
= open( root
, O_RDONLY
| O_DIRECTORY
)) != -1)
685 res
= fstat( fd
, &st
);
688 /* now try normal stat just in case */
689 if (res
== -1) res
= stat( root
, &st
);
690 if (res
== -1) return NULL
;
692 RtlEnterCriticalSection( &dir_section
);
695 if ((f
= fopen( "/proc/mounts", "r" )))
697 device
= parse_mount_entries( f
, st
.st_dev
, st
.st_ino
);
701 if ((f
= fopen( "/etc/mtab", "r" )))
703 device
= parse_mount_entries( f
, st
.st_dev
, st
.st_ino
);
706 /* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
707 if (!device
&& (f
= fopen( "/etc/fstab", "r" )))
709 device
= parse_mount_entries( f
, st
.st_dev
, st
.st_ino
);
715 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(device
) + 1 );
716 if (ret
) strcpy( ret
, device
);
718 RtlLeaveCriticalSection( &dir_section
);
720 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__ ) || defined(__DragonFly__)
725 /* try to open it first to force it to get mounted */
726 if ((fd
= open( root
, O_RDONLY
)) != -1)
728 res
= fstat( fd
, &st
);
731 /* now try normal stat just in case */
732 if (res
== -1) res
= stat( root
, &st
);
733 if (res
== -1) return NULL
;
735 RtlEnterCriticalSection( &dir_section
);
737 /* The FreeBSD parse_mount_entries doesn't require a file argument, so just
738 * pass NULL. Leave the argument in for symmetry.
740 device
= parse_mount_entries( NULL
, st
.st_dev
, st
.st_ino
);
743 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(device
) + 1 );
744 if (ret
) strcpy( ret
, device
);
746 RtlLeaveCriticalSection( &dir_section
);
754 /* try to open it first to force it to get mounted */
755 if ((fd
= open( root
, O_RDONLY
)) != -1)
757 res
= fstat( fd
, &st
);
760 /* now try normal stat just in case */
761 if (res
== -1) res
= stat( root
, &st
);
762 if (res
== -1) return NULL
;
764 RtlEnterCriticalSection( &dir_section
);
766 if ((f
= fopen( "/etc/mnttab", "r" )))
768 device
= parse_mount_entries( f
, st
.st_dev
, st
.st_ino
);
771 /* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
772 if (!device
&& (f
= fopen( "/etc/vfstab", "r" )))
774 device
= parse_vfstab_entries( f
, st
.st_dev
, st
.st_ino
);
779 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(device
) + 1 );
780 if (ret
) strcpy( ret
, device
);
782 RtlLeaveCriticalSection( &dir_section
);
784 #elif defined(__APPLE__)
785 struct statfs
*mntStat
;
791 static const char path_bsd_device
[] = "/dev/disk";
794 res
= stat( root
, &st
);
795 if (res
== -1) return NULL
;
800 RtlEnterCriticalSection( &dir_section
);
802 mntSize
= getmntinfo(&mntStat
, MNT_NOWAIT
);
804 for (i
= 0; i
< mntSize
&& !ret
; i
++)
806 if (stat(mntStat
[i
].f_mntonname
, &st
) == -1) continue;
807 if (st
.st_dev
!= dev
|| st
.st_ino
!= ino
) continue;
809 /* FIXME add support for mounted network drive */
810 if ( strncmp(mntStat
[i
].f_mntfromname
, path_bsd_device
, strlen(path_bsd_device
)) == 0)
812 /* set return value to the corresponding raw BSD node */
813 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(mntStat
[i
].f_mntfromname
) + 2 /* 2 : r and \0 */ );
816 strcpy(ret
, "/dev/r");
817 strcat(ret
, mntStat
[i
].f_mntfromname
+sizeof("/dev/")-1);
821 RtlLeaveCriticalSection( &dir_section
);
824 if (!warned
++) FIXME( "auto detection of DOS devices not supported on this platform\n" );
830 /***********************************************************************
831 * get_device_mount_point
833 * Return the current mount point for a device.
835 static char *get_device_mount_point( dev_t dev
)
842 RtlEnterCriticalSection( &dir_section
);
845 if ((f
= fopen( "/proc/mounts", "r" )))
847 if ((f
= fopen( "/etc/mtab", "r" )))
850 struct mntent
*entry
;
854 while ((entry
= getmntent( f
)))
856 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
857 if (!strcmp( entry
->mnt_type
, "nfs" ) ||
858 !strcmp( entry
->mnt_type
, "smbfs" ) ||
859 !strcmp( entry
->mnt_type
, "ncpfs" )) continue;
861 if (!strcmp( entry
->mnt_type
, "supermount" ))
863 if ((device
= strstr( entry
->mnt_opts
, "dev=" )))
866 if ((p
= strchr( device
, ',' ))) *p
= 0;
869 else if (!stat( entry
->mnt_fsname
, &st
) && S_ISREG(st
.st_mode
))
871 /* if device is a regular file check for a loop mount */
872 if ((device
= strstr( entry
->mnt_opts
, "loop=" )))
875 if ((p
= strchr( device
, ',' ))) *p
= 0;
878 else device
= entry
->mnt_fsname
;
880 if (device
&& !stat( device
, &st
) && S_ISBLK(st
.st_mode
) && st
.st_rdev
== dev
)
882 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(entry
->mnt_dir
) + 1 );
883 if (ret
) strcpy( ret
, entry
->mnt_dir
);
889 RtlLeaveCriticalSection( &dir_section
);
890 #elif defined(__APPLE__)
891 struct statfs
*entry
;
895 RtlEnterCriticalSection( &dir_section
);
897 size
= getmntinfo( &entry
, MNT_NOWAIT
);
898 for (i
= 0; i
< size
; i
++)
900 if (stat( entry
[i
].f_mntfromname
, &st
) == -1) continue;
901 if (S_ISBLK(st
.st_mode
) && st
.st_rdev
== dev
)
903 ret
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(entry
[i
].f_mntonname
) + 1 );
904 if (ret
) strcpy( ret
, entry
[i
].f_mntonname
);
908 RtlLeaveCriticalSection( &dir_section
);
911 if (!warned
++) FIXME( "unmounting devices not supported on this platform\n" );
917 #if defined(HAVE_GETATTRLIST) && defined(ATTR_VOL_CAPABILITIES) && \
918 defined(VOL_CAPABILITIES_FORMAT) && defined(VOL_CAP_FMT_CASE_SENSITIVE)
931 BOOLEAN case_sensitive
;
937 vol_capabilities_attr_t caps
;
940 /***********************************************************************
943 * Checks if the specified file system is in the cache.
945 static struct fs_cache
*look_up_fs_cache( dev_t dev
)
948 for (i
= 0; i
< sizeof(fs_cache
)/sizeof(fs_cache
[0]); i
++)
949 if (fs_cache
[i
].dev
== dev
)
954 /***********************************************************************
957 * Adds the specified file system to the cache.
959 static void add_fs_cache( dev_t dev
, fsid_t fsid
, BOOLEAN case_sensitive
)
962 struct fs_cache
*entry
= look_up_fs_cache( dev
);
966 /* Update the cache */
968 entry
->case_sensitive
= case_sensitive
;
972 /* Add a new entry */
973 for (i
= 0; i
< sizeof(fs_cache
)/sizeof(fs_cache
[0]); i
++)
974 if (fs_cache
[i
].dev
== 0)
976 /* This entry is empty, use it */
977 fs_cache
[i
].dev
= dev
;
978 fs_cache
[i
].fsid
= fsid
;
979 fs_cache
[i
].case_sensitive
= case_sensitive
;
983 /* Cache is out of space, warn */
985 WARN( "FS cache is out of space, expect performance problems\n" );
988 /***********************************************************************
989 * get_dir_case_sensitivity_attr
991 * Checks if the volume containing the specified directory is case
992 * sensitive or not. Uses getattrlist(2).
994 static int get_dir_case_sensitivity_attr( const char *dir
)
996 char *mntpoint
= NULL
;
997 struct attrlist attr
;
998 struct vol_caps caps
;
999 struct get_fsid get_fsid
;
1000 struct fs_cache
*entry
;
1002 /* First get the FS ID of the volume */
1003 attr
.bitmapcount
= ATTR_BIT_MAP_COUNT
;
1005 attr
.commonattr
= ATTR_CMN_DEVID
|ATTR_CMN_FSID
;
1006 attr
.volattr
= attr
.dirattr
= attr
.fileattr
= attr
.forkattr
= 0;
1008 if (getattrlist( dir
, &attr
, &get_fsid
, sizeof(get_fsid
), 0 ) != 0 ||
1009 get_fsid
.size
!= sizeof(get_fsid
))
1011 /* Try to look it up in the cache */
1012 entry
= look_up_fs_cache( get_fsid
.dev
);
1013 if (entry
&& !memcmp( &entry
->fsid
, &get_fsid
.fsid
, sizeof(fsid_t
) ))
1014 /* Cache lookup succeeded */
1015 return entry
->case_sensitive
;
1016 /* Cache is stale at this point, we have to update it */
1018 mntpoint
= get_device_mount_point( get_fsid
.dev
);
1019 /* Now look up the case-sensitivity */
1020 attr
.commonattr
= 0;
1021 attr
.volattr
= ATTR_VOL_INFO
|ATTR_VOL_CAPABILITIES
;
1022 if (getattrlist( mntpoint
, &attr
, &caps
, sizeof(caps
), 0 ) < 0)
1024 RtlFreeHeap( GetProcessHeap(), 0, mntpoint
);
1025 add_fs_cache( get_fsid
.dev
, get_fsid
.fsid
, TRUE
);
1028 RtlFreeHeap( GetProcessHeap(), 0, mntpoint
);
1029 if (caps
.size
== sizeof(caps
) &&
1030 (caps
.caps
.valid
[VOL_CAPABILITIES_FORMAT
] &
1031 (VOL_CAP_FMT_CASE_SENSITIVE
| VOL_CAP_FMT_CASE_PRESERVING
)) ==
1032 (VOL_CAP_FMT_CASE_SENSITIVE
| VOL_CAP_FMT_CASE_PRESERVING
))
1036 if ((caps
.caps
.capabilities
[VOL_CAPABILITIES_FORMAT
] &
1037 VOL_CAP_FMT_CASE_SENSITIVE
) != VOL_CAP_FMT_CASE_SENSITIVE
)
1041 /* Update the cache */
1042 add_fs_cache( get_fsid
.dev
, get_fsid
.fsid
, ret
);
1049 /***********************************************************************
1050 * get_dir_case_sensitivity_stat
1052 * Checks if the volume containing the specified directory is case
1053 * sensitive or not. Uses statfs(2) or statvfs(2).
1055 static BOOLEAN
get_dir_case_sensitivity_stat( const char *dir
)
1057 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
1060 if (statfs( dir
, &stfs
) == -1) return FALSE
;
1061 /* Assume these file systems are always case insensitive on Mac OS.
1062 * For FreeBSD, only assume CIOPFS is case insensitive (AFAIK, Mac OS
1063 * is the only UNIX that supports case-insensitive lookup).
1065 if (!strcmp( stfs
.f_fstypename
, "fusefs" ) &&
1066 !strncmp( stfs
.f_mntfromname
, "ciopfs", 5 ))
1069 if (!strcmp( stfs
.f_fstypename
, "msdos" ) ||
1070 !strcmp( stfs
.f_fstypename
, "cd9660" ) ||
1071 !strcmp( stfs
.f_fstypename
, "udf" ) ||
1072 !strcmp( stfs
.f_fstypename
, "ntfs" ) ||
1073 !strcmp( stfs
.f_fstypename
, "smbfs" ))
1075 #ifdef _DARWIN_FEATURE_64_BIT_INODE
1076 if (!strcmp( stfs
.f_fstypename
, "hfs" ) && (stfs
.f_fssubtype
== 0 ||
1077 stfs
.f_fssubtype
== 1 ||
1078 stfs
.f_fssubtype
== 128))
1081 /* The field says "reserved", but a quick look at the kernel source
1082 * tells us that this "reserved" field is really the same as the
1083 * "fssubtype" field from the inode64 structure (see munge_statfs()
1084 * in <xnu-source>/bsd/vfs/vfs_syscalls.c).
1086 if (!strcmp( stfs
.f_fstypename
, "hfs" ) && (stfs
.f_reserved1
== 0 ||
1087 stfs
.f_reserved1
== 1 ||
1088 stfs
.f_reserved1
== 128))
1094 #elif defined(__NetBSD__)
1095 struct statvfs stfs
;
1097 if (statvfs( dir
, &stfs
) == -1) return FALSE
;
1098 /* Only assume CIOPFS is case insensitive. */
1099 if (strcmp( stfs
.f_fstypename
, "fusefs" ) ||
1100 strncmp( stfs
.f_mntfromname
, "ciopfs", 5 ))
1104 #elif defined(__linux__)
1109 /* Only assume CIOPFS is case insensitive. */
1110 if (statfs( dir
, &stfs
) == -1) return FALSE
;
1111 if (stfs
.f_type
!= 0x65735546 /* FUSE_SUPER_MAGIC */)
1113 /* Normally, we'd have to parse the mtab to find out exactly what
1114 * kind of FUSE FS this is. But, someone on wine-devel suggested
1115 * a shortcut. We'll stat a special file in the directory. If it's
1116 * there, we'll assume it's a CIOPFS, else not.
1117 * This will break if somebody puts a file named ".ciopfs" in a non-
1120 cifile
= RtlAllocateHeap( GetProcessHeap(), 0, strlen( dir
)+sizeof("/.ciopfs") );
1121 if (!cifile
) return TRUE
;
1122 strcpy( cifile
, dir
);
1123 strcat( cifile
, "/.ciopfs" );
1124 if (stat( cifile
, &st
) == 0)
1126 RtlFreeHeap( GetProcessHeap(), 0, cifile
);
1129 RtlFreeHeap( GetProcessHeap(), 0, cifile
);
1137 /***********************************************************************
1138 * get_dir_case_sensitivity
1140 * Checks if the volume containing the specified directory is case
1141 * sensitive or not. Uses statfs(2) or statvfs(2).
1143 static BOOLEAN
get_dir_case_sensitivity( const char *dir
)
1145 #if defined(HAVE_GETATTRLIST) && defined(ATTR_VOL_CAPABILITIES) && \
1146 defined(VOL_CAPABILITIES_FORMAT) && defined(VOL_CAP_FMT_CASE_SENSITIVE)
1147 int case_sensitive
= get_dir_case_sensitivity_attr( dir
);
1148 if (case_sensitive
!= -1) return case_sensitive
;
1150 return get_dir_case_sensitivity_stat( dir
);
1154 /***********************************************************************
1157 * Initialize the show_dot_files options.
1159 static DWORD WINAPI
init_options( RTL_RUN_ONCE
*once
, void *param
, void **context
)
1161 static const WCHAR WineW
[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e',0};
1162 static const WCHAR ShowDotFilesW
[] = {'S','h','o','w','D','o','t','F','i','l','e','s',0};
1166 OBJECT_ATTRIBUTES attr
;
1167 UNICODE_STRING nameW
;
1169 RtlOpenCurrentUser( KEY_ALL_ACCESS
, &root
);
1170 attr
.Length
= sizeof(attr
);
1171 attr
.RootDirectory
= root
;
1172 attr
.ObjectName
= &nameW
;
1173 attr
.Attributes
= 0;
1174 attr
.SecurityDescriptor
= NULL
;
1175 attr
.SecurityQualityOfService
= NULL
;
1176 RtlInitUnicodeString( &nameW
, WineW
);
1178 /* @@ Wine registry key: HKCU\Software\Wine */
1179 if (!NtOpenKey( &hkey
, KEY_ALL_ACCESS
, &attr
))
1181 RtlInitUnicodeString( &nameW
, ShowDotFilesW
);
1182 if (!NtQueryValueKey( hkey
, &nameW
, KeyValuePartialInformation
, tmp
, sizeof(tmp
), &dummy
))
1184 WCHAR
*str
= (WCHAR
*)((KEY_VALUE_PARTIAL_INFORMATION
*)tmp
)->Data
;
1185 show_dot_files
= IS_OPTION_TRUE( str
[0] );
1191 /* a couple of directories that we don't want to return in directory searches */
1192 ignore_file( wine_get_config_dir() );
1193 ignore_file( "/dev" );
1194 ignore_file( "/proc" );
1196 ignore_file( "/sys" );
1202 /***********************************************************************
1203 * DIR_is_hidden_file
1205 * Check if the specified file should be hidden based on its name and the show dot files option.
1207 BOOL
DIR_is_hidden_file( const UNICODE_STRING
*name
)
1211 RtlRunOnceExecuteOnce( &init_once
, init_options
, NULL
, NULL
);
1213 if (show_dot_files
) return FALSE
;
1215 end
= p
= name
->Buffer
+ name
->Length
/sizeof(WCHAR
);
1216 while (p
> name
->Buffer
&& IS_SEPARATOR(p
[-1])) p
--;
1217 while (p
> name
->Buffer
&& !IS_SEPARATOR(p
[-1])) p
--;
1218 if (p
== end
|| *p
!= '.') return FALSE
;
1219 /* make sure it isn't '.' or '..' */
1220 if (p
+ 1 == end
) return FALSE
;
1221 if (p
[1] == '.' && p
+ 2 == end
) return FALSE
;
1226 /***********************************************************************
1227 * hash_short_file_name
1229 * Transform a Unix file name into a hashed DOS name. If the name is a valid
1230 * DOS name, it is converted to upper-case; otherwise it is replaced by a
1231 * hashed version that fits in 8.3 format.
1232 * 'buffer' must be at least 12 characters long.
1233 * Returns length of short name in bytes; short name is NOT null-terminated.
1235 static ULONG
hash_short_file_name( const UNICODE_STRING
*name
, LPWSTR buffer
)
1237 static const char hash_chars
[32] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345";
1239 LPCWSTR p
, ext
, end
= name
->Buffer
+ name
->Length
/ sizeof(WCHAR
);
1241 unsigned short hash
;
1244 /* Compute the hash code of the file name */
1245 /* If you know something about hash functions, feel free to */
1246 /* insert a better algorithm here... */
1247 if (!is_case_sensitive
)
1249 for (p
= name
->Buffer
, hash
= 0xbeef; p
< end
- 1; p
++)
1250 hash
= (hash
<<3) ^ (hash
>>5) ^ tolowerW(*p
) ^ (tolowerW(p
[1]) << 8);
1251 hash
= (hash
<<3) ^ (hash
>>5) ^ tolowerW(*p
); /* Last character */
1255 for (p
= name
->Buffer
, hash
= 0xbeef; p
< end
- 1; p
++)
1256 hash
= (hash
<< 3) ^ (hash
>> 5) ^ *p
^ (p
[1] << 8);
1257 hash
= (hash
<< 3) ^ (hash
>> 5) ^ *p
; /* Last character */
1260 /* Find last dot for start of the extension */
1261 for (p
= name
->Buffer
+ 1, ext
= NULL
; p
< end
- 1; p
++) if (*p
== '.') ext
= p
;
1263 /* Copy first 4 chars, replacing invalid chars with '_' */
1264 for (i
= 4, p
= name
->Buffer
, dst
= buffer
; i
> 0; i
--, p
++)
1266 if (p
== end
|| p
== ext
) break;
1267 *dst
++ = is_invalid_dos_char(*p
) ? '_' : toupperW(*p
);
1269 /* Pad to 5 chars with '~' */
1270 while (i
-- >= 0) *dst
++ = '~';
1272 /* Insert hash code converted to 3 ASCII chars */
1273 *dst
++ = hash_chars
[(hash
>> 10) & 0x1f];
1274 *dst
++ = hash_chars
[(hash
>> 5) & 0x1f];
1275 *dst
++ = hash_chars
[hash
& 0x1f];
1277 /* Copy the first 3 chars of the extension (if any) */
1281 for (i
= 3, ext
++; (i
> 0) && ext
< end
; i
--, ext
++)
1282 *dst
++ = is_invalid_dos_char(*ext
) ? '_' : toupperW(*ext
);
1284 return dst
- buffer
;
1288 /***********************************************************************
1291 * Check a long file name against a mask.
1293 * Tests (done in W95 DOS shell - case insensitive):
1294 * *.txt test1.test.txt *
1296 * *.t??????.t* test1.ta.tornado.txt *
1297 * *tornado* test1.ta.tornado.txt *
1298 * t*t test1.ta.tornado.txt *
1300 * ?est??? test1.txt -
1301 * *test1.txt* test1.txt *
1302 * h?l?o*t.dat hellothisisatest.dat *
1304 static BOOLEAN
match_filename( const UNICODE_STRING
*name_str
, const UNICODE_STRING
*mask_str
)
1307 const WCHAR
*name
= name_str
->Buffer
;
1308 const WCHAR
*mask
= mask_str
->Buffer
;
1309 const WCHAR
*name_end
= name
+ name_str
->Length
/ sizeof(WCHAR
);
1310 const WCHAR
*mask_end
= mask
+ mask_str
->Length
/ sizeof(WCHAR
);
1311 const WCHAR
*lastjoker
= NULL
;
1312 const WCHAR
*next_to_retry
= NULL
;
1314 TRACE("(%s, %s)\n", debugstr_us(name_str
), debugstr_us(mask_str
));
1316 while (name
< name_end
&& mask
< mask_end
)
1322 while (mask
< mask_end
&& *mask
== '*') mask
++; /* Skip consecutive '*' */
1323 if (mask
== mask_end
) return TRUE
; /* end of mask is all '*', so match */
1326 /* skip to the next match after the joker(s) */
1327 if (is_case_sensitive
)
1328 while (name
< name_end
&& (*name
!= *mask
)) name
++;
1330 while (name
< name_end
&& (toupperW(*name
) != toupperW(*mask
))) name
++;
1331 next_to_retry
= name
;
1338 if (is_case_sensitive
) mismatch
= (*mask
!= *name
);
1339 else mismatch
= (toupperW(*mask
) != toupperW(*name
));
1345 if (mask
== mask_end
)
1347 if (name
== name_end
) return TRUE
;
1348 if (lastjoker
) mask
= lastjoker
;
1351 else /* mismatch ! */
1353 if (lastjoker
) /* we had an '*', so we can try unlimitedly */
1357 /* this scan sequence was a mismatch, so restart
1358 * 1 char after the first char we checked last time */
1360 name
= next_to_retry
;
1362 else return FALSE
; /* bad luck */
1367 while (mask
< mask_end
&& ((*mask
== '.') || (*mask
== '*')))
1368 mask
++; /* Ignore trailing '.' or '*' in mask */
1369 return (name
== name_end
&& mask
== mask_end
);
1373 /***********************************************************************
1376 * helper for NtQueryDirectoryFile
1378 static union file_directory_info
*append_entry( void *info_ptr
, IO_STATUS_BLOCK
*io
, ULONG max_length
,
1379 const char *long_name
, const char *short_name
,
1380 const UNICODE_STRING
*mask
, FILE_INFORMATION_CLASS
class )
1382 union file_directory_info
*info
;
1383 int i
, long_len
, short_len
, total_len
;
1385 WCHAR long_nameW
[MAX_DIR_ENTRY_LEN
];
1386 WCHAR short_nameW
[12];
1391 io
->u
.Status
= STATUS_SUCCESS
;
1392 long_len
= ntdll_umbstowcs( 0, long_name
, strlen(long_name
), long_nameW
, MAX_DIR_ENTRY_LEN
);
1393 if (long_len
== -1) return NULL
;
1395 str
.Buffer
= long_nameW
;
1396 str
.Length
= long_len
* sizeof(WCHAR
);
1397 str
.MaximumLength
= sizeof(long_nameW
);
1401 short_len
= ntdll_umbstowcs( 0, short_name
, strlen(short_name
),
1402 short_nameW
, sizeof(short_nameW
) / sizeof(WCHAR
) );
1403 if (short_len
== -1) short_len
= sizeof(short_nameW
) / sizeof(WCHAR
);
1405 else /* generate a short name if necessary */
1410 if (!RtlIsNameLegalDOS8Dot3( &str
, NULL
, &spaces
) || spaces
)
1411 short_len
= hash_short_file_name( &str
, short_nameW
);
1414 TRACE( "long %s short %s mask %s\n",
1415 debugstr_us(&str
), debugstr_wn(short_nameW
, short_len
), debugstr_us(mask
) );
1417 if (mask
&& !match_filename( &str
, mask
))
1419 if (!short_len
) return NULL
; /* no short name to match */
1420 str
.Buffer
= short_nameW
;
1421 str
.Length
= short_len
* sizeof(WCHAR
);
1422 str
.MaximumLength
= sizeof(short_nameW
);
1423 if (!match_filename( &str
, mask
)) return NULL
;
1426 if (get_file_info( long_name
, &st
, &attributes
) == -1) return NULL
;
1427 if (is_ignored_file( &st
))
1429 TRACE( "ignoring file %s\n", long_name
);
1432 if (!show_dot_files
&& long_name
[0] == '.' && long_name
[1] && (long_name
[1] != '.' || long_name
[2]))
1433 attributes
|= FILE_ATTRIBUTE_HIDDEN
;
1435 total_len
= dir_info_size( class, long_len
);
1436 if (io
->Information
+ total_len
> max_length
)
1438 total_len
= max_length
- io
->Information
;
1439 io
->u
.Status
= STATUS_BUFFER_OVERFLOW
;
1441 info
= (union file_directory_info
*)((char *)info_ptr
+ io
->Information
);
1442 if (st
.st_dev
!= curdir
.dev
) st
.st_ino
= 0; /* ignore inode if on a different device */
1443 /* all the structures start with a FileDirectoryInformation layout */
1444 fill_file_info( &st
, attributes
, info
, class );
1445 info
->dir
.NextEntryOffset
= total_len
;
1446 info
->dir
.FileIndex
= 0; /* NTFS always has 0 here, so let's not bother with it */
1450 case FileDirectoryInformation
:
1451 info
->dir
.FileNameLength
= long_len
* sizeof(WCHAR
);
1452 filename
= info
->dir
.FileName
;
1455 case FileFullDirectoryInformation
:
1456 info
->full
.EaSize
= 0; /* FIXME */
1457 info
->full
.FileNameLength
= long_len
* sizeof(WCHAR
);
1458 filename
= info
->full
.FileName
;
1461 case FileIdFullDirectoryInformation
:
1462 info
->id_full
.EaSize
= 0; /* FIXME */
1463 info
->id_full
.FileNameLength
= long_len
* sizeof(WCHAR
);
1464 filename
= info
->id_full
.FileName
;
1467 case FileBothDirectoryInformation
:
1468 info
->both
.EaSize
= 0; /* FIXME */
1469 info
->both
.ShortNameLength
= short_len
* sizeof(WCHAR
);
1470 for (i
= 0; i
< short_len
; i
++) info
->both
.ShortName
[i
] = toupperW(short_nameW
[i
]);
1471 info
->both
.FileNameLength
= long_len
* sizeof(WCHAR
);
1472 filename
= info
->both
.FileName
;
1475 case FileIdBothDirectoryInformation
:
1476 info
->id_both
.EaSize
= 0; /* FIXME */
1477 info
->id_both
.ShortNameLength
= short_len
* sizeof(WCHAR
);
1478 for (i
= 0; i
< short_len
; i
++) info
->id_both
.ShortName
[i
] = toupperW(short_nameW
[i
]);
1479 info
->id_both
.FileNameLength
= long_len
* sizeof(WCHAR
);
1480 filename
= info
->id_both
.FileName
;
1487 memcpy( filename
, long_nameW
, long_len
* sizeof(WCHAR
) );
1488 io
->Information
+= total_len
;
1493 #ifdef VFAT_IOCTL_READDIR_BOTH
1495 /***********************************************************************
1498 * Wrapper for the VFAT ioctl to work around various kernel bugs.
1499 * dir_section must be held by caller.
1501 static KERNEL_DIRENT
*start_vfat_ioctl( int fd
)
1503 static KERNEL_DIRENT
*de
;
1508 SIZE_T size
= 2 * sizeof(*de
) + page_size
;
1511 if (NtAllocateVirtualMemory( GetCurrentProcess(), &addr
, 1, &size
, MEM_RESERVE
, PAGE_READWRITE
))
1513 /* commit only the size needed for the dir entries */
1514 /* this leaves an extra unaccessible page, which should make the kernel */
1515 /* fail with -EFAULT before it stomps all over our memory */
1517 size
= 2 * sizeof(*de
);
1518 NtAllocateVirtualMemory( GetCurrentProcess(), &addr
, 1, &size
, MEM_COMMIT
, PAGE_READWRITE
);
1521 /* set d_reclen to 65535 to work around an AFS kernel bug */
1522 de
[0].d_reclen
= 65535;
1523 res
= ioctl( fd
, VFAT_IOCTL_READDIR_BOTH
, (long)de
);
1526 if (errno
!= ENOENT
) return NULL
; /* VFAT ioctl probably not supported */
1527 de
[0].d_reclen
= 0; /* eof */
1529 else if (!res
&& de
[0].d_reclen
== 65535) return NULL
; /* AFS bug */
1535 /***********************************************************************
1536 * read_directory_vfat
1538 * Read a directory using the VFAT ioctl; helper for NtQueryDirectoryFile.
1540 static int read_directory_vfat( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
1541 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
1542 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
1547 union file_directory_info
*info
, *last_info
= NULL
;
1549 io
->u
.Status
= STATUS_SUCCESS
;
1551 if (restart_scan
) lseek( fd
, 0, SEEK_SET
);
1553 if (length
< max_dir_info_size(class)) /* we may have to return a partial entry here */
1555 off_t old_pos
= lseek( fd
, 0, SEEK_CUR
);
1557 if (!(de
= start_vfat_ioctl( fd
))) return -1; /* not supported */
1559 while (de
[0].d_reclen
)
1561 /* make sure names are null-terminated to work around an x86-64 kernel bug */
1562 len
= min(de
[0].d_reclen
, sizeof(de
[0].d_name
) - 1 );
1563 de
[0].d_name
[len
] = 0;
1564 len
= min(de
[1].d_reclen
, sizeof(de
[1].d_name
) - 1 );
1565 de
[1].d_name
[len
] = 0;
1567 if (de
[1].d_name
[0])
1568 info
= append_entry( buffer
, io
, length
, de
[1].d_name
, de
[0].d_name
, mask
, class );
1570 info
= append_entry( buffer
, io
, length
, de
[0].d_name
, NULL
, mask
, class );
1574 if (io
->u
.Status
== STATUS_BUFFER_OVERFLOW
)
1575 lseek( fd
, old_pos
, SEEK_SET
); /* restore pos to previous entry */
1578 old_pos
= lseek( fd
, 0, SEEK_CUR
);
1579 if (ioctl( fd
, VFAT_IOCTL_READDIR_BOTH
, (long)de
) == -1) break;
1582 else /* we'll only return full entries, no need to worry about overflow */
1584 if (!(de
= start_vfat_ioctl( fd
))) return -1; /* not supported */
1586 while (de
[0].d_reclen
)
1588 /* make sure names are null-terminated to work around an x86-64 kernel bug */
1589 len
= min(de
[0].d_reclen
, sizeof(de
[0].d_name
) - 1 );
1590 de
[0].d_name
[len
] = 0;
1591 len
= min(de
[1].d_reclen
, sizeof(de
[1].d_name
) - 1 );
1592 de
[1].d_name
[len
] = 0;
1594 if (de
[1].d_name
[0])
1595 info
= append_entry( buffer
, io
, length
, de
[1].d_name
, de
[0].d_name
, mask
, class );
1597 info
= append_entry( buffer
, io
, length
, de
[0].d_name
, NULL
, mask
, class );
1601 if (single_entry
) break;
1602 /* check if we still have enough space for the largest possible entry */
1603 if (io
->Information
+ max_dir_info_size(class) > length
) break;
1605 if (ioctl( fd
, VFAT_IOCTL_READDIR_BOTH
, (long)de
) == -1) break;
1609 if (last_info
) last_info
->next
= 0;
1610 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
1613 #endif /* VFAT_IOCTL_READDIR_BOTH */
1617 /***********************************************************************
1618 * read_first_dent_name
1620 * reads name of first or second dentry (if they have inodes).
1622 static char *read_first_dent_name( int which
, int fd
, off_t second_offs
, KERNEL_DIRENT64
*de_first_two
,
1623 char *buffer
, size_t size
, BOOL
*buffer_changed
)
1625 KERNEL_DIRENT64
*de
;
1632 de
= (KERNEL_DIRENT64
*)((char *)de
+ de
->d_reclen
);
1634 return de
->d_ino
? de
->d_name
: NULL
;
1637 *buffer_changed
= TRUE
;
1638 lseek( fd
, which
== 1 ? second_offs
: 0, SEEK_SET
);
1639 res
= getdents64( fd
, buffer
, size
);
1643 de
= (KERNEL_DIRENT64
*)buffer
;
1644 return de
->d_ino
? de
->d_name
: NULL
;
1647 /***********************************************************************
1648 * read_directory_getdents
1650 * Read a directory using the Linux getdents64 system call; helper for NtQueryDirectoryFile.
1652 static int read_directory_getdents( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
1653 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
1654 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
1656 static off_t second_entry_pos
;
1657 static struct file_identity last_dir_id
;
1658 off_t old_pos
= 0, next_pos
;
1659 size_t size
= length
;
1660 char *data
, local_buffer
[8192];
1661 KERNEL_DIRENT64
*de
, *de_first_two
= NULL
;
1662 union file_directory_info
*info
, *last_info
= NULL
;
1663 const char *filename
;
1664 BOOL data_buffer_changed
;
1667 if (size
<= sizeof(local_buffer
) || !(data
= RtlAllocateHeap( GetProcessHeap(), 0, size
)))
1669 size
= sizeof(local_buffer
);
1670 data
= local_buffer
;
1673 if (restart_scan
) lseek( fd
, 0, SEEK_SET
);
1676 old_pos
= lseek( fd
, 0, SEEK_CUR
);
1679 io
->u
.Status
= (errno
== ENOENT
) ? STATUS_NO_MORE_FILES
: FILE_GetNtStatus();
1685 io
->u
.Status
= STATUS_SUCCESS
;
1686 de
= (KERNEL_DIRENT64
*)data
;
1688 /* if old_pos is not 0 we don't know how many entries have been returned already,
1689 * so maintain second_entry_pos to know when to return '..' */
1690 if (old_pos
!= 0 && (last_dir_id
.dev
!= curdir
.dev
|| last_dir_id
.ino
!= curdir
.ino
))
1692 lseek( fd
, 0, SEEK_SET
);
1693 res
= getdents64( fd
, data
, size
);
1696 second_entry_pos
= de
->d_off
;
1697 last_dir_id
= curdir
;
1699 lseek( fd
, old_pos
, SEEK_SET
);
1702 res
= getdents64( fd
, data
, size
);
1705 if (errno
!= ENOSYS
)
1707 io
->u
.Status
= FILE_GetNtStatus();
1713 if (old_pos
== 0 && res
> 0)
1715 second_entry_pos
= de
->d_off
;
1716 last_dir_id
= curdir
;
1717 if (res
> de
->d_reclen
)
1723 res
-= de
->d_reclen
;
1724 next_pos
= de
->d_off
;
1727 /* we must return first 2 entries as "." and "..", but getdents64()
1728 * can return them anywhere, so swap first entries with "." and ".." */
1731 else if (old_pos
== second_entry_pos
)
1733 else if (!strcmp( de
->d_name
, "." ) || !strcmp( de
->d_name
, ".." ))
1735 swap_to
= !strcmp( de
->d_name
, "." ) ? 0 : 1;
1736 data_buffer_changed
= FALSE
;
1738 filename
= read_first_dent_name( swap_to
, fd
, second_entry_pos
, de_first_two
,
1739 data
, size
, &data_buffer_changed
);
1740 if (filename
!= NULL
&& (!strcmp( filename
, "." ) || !strcmp( filename
, ".." )))
1741 filename
= read_first_dent_name( swap_to
^ 1, fd
, second_entry_pos
, NULL
,
1742 data
, size
, &data_buffer_changed
);
1743 if (data_buffer_changed
)
1745 lseek( fd
, next_pos
, SEEK_SET
);
1750 filename
= de
->d_name
;
1752 if (filename
&& (info
= append_entry( buffer
, io
, length
, filename
, NULL
, mask
, class )))
1755 if (io
->u
.Status
== STATUS_BUFFER_OVERFLOW
)
1757 lseek( fd
, old_pos
, SEEK_SET
); /* restore pos to previous entry */
1760 /* check if we still have enough space for the largest possible entry */
1761 if (single_entry
|| io
->Information
+ max_dir_info_size(class) > length
)
1763 if (res
> 0) lseek( fd
, next_pos
, SEEK_SET
); /* set pos to next entry */
1768 /* move on to the next entry */
1769 if (res
> 0) de
= (KERNEL_DIRENT64
*)((char *)de
+ de
->d_reclen
);
1772 res
= getdents64( fd
, data
, size
);
1773 de
= (KERNEL_DIRENT64
*)data
;
1774 de_first_two
= NULL
;
1778 if (last_info
) last_info
->next
= 0;
1779 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
1782 if (data
!= local_buffer
) RtlFreeHeap( GetProcessHeap(), 0, data
);
1786 #elif defined HAVE_GETDIRENTRIES
1788 #ifdef _DARWIN_FEATURE_64_BIT_INODE
1790 /* Darwin doesn't provide a version of getdirentries with support for 64-bit
1791 * inodes. When 64-bit inodes are enabled, the getdirentries symbol is mapped
1792 * to _getdirentries_is_not_available_when_64_bit_inodes_are_in_effect so that
1793 * we get link errors if we try to use it. We still need getdirentries, but we
1794 * don't need it to support 64-bit inodes. So, we use the legacy getdirentries
1795 * with 32-bit inodes. We have to be careful to use a corresponding dirent
1798 int darwin_legacy_getdirentries(int, char *, int, long *) __asm("_getdirentries");
1799 #define getdirentries darwin_legacy_getdirentries
1801 struct darwin_legacy_dirent
{
1803 __uint16_t d_reclen
;
1806 char d_name
[__DARWIN_MAXNAMLEN
+ 1];
1808 #define dirent darwin_legacy_dirent
1812 /***********************************************************************
1813 * wine_getdirentries
1815 * Wrapper for the BSD getdirentries system call to fix a bug in the
1816 * Mac OS X version. For some file systems (at least Apple Filing
1817 * Protocol a.k.a. AFP), getdirentries resets the file position to 0
1818 * when it's about to return 0 (no more entries). So, a subsequent
1819 * getdirentries call starts over at the beginning again, causing an
1822 static inline int wine_getdirentries(int fd
, char *buf
, int nbytes
, long *basep
)
1824 int res
= getdirentries(fd
, buf
, nbytes
, basep
);
1827 lseek(fd
, *basep
, SEEK_SET
);
1832 static inline int dir_reclen(struct dirent
*de
)
1834 #ifdef HAVE_STRUCT_DIRENT_D_RECLEN
1835 return de
->d_reclen
;
1837 return _DIRENT_RECLEN(de
->d_namlen
);
1841 /***********************************************************************
1842 * read_directory_getdirentries
1844 * Read a directory using the BSD getdirentries system call; helper for NtQueryDirectoryFile.
1846 static int read_directory_getdirentries( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
1847 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
1848 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
1851 ULONG_PTR restart_info_pos
= 0;
1852 size_t size
, initial_size
= length
;
1853 int res
, fake_dot_dot
= 1;
1854 char *data
, local_buffer
[8192];
1856 union file_directory_info
*info
, *last_info
= NULL
, *restart_last_info
= NULL
;
1858 size
= initial_size
;
1859 data
= local_buffer
;
1860 if (size
> sizeof(local_buffer
) && !(data
= RtlAllocateHeap( GetProcessHeap(), 0, size
)))
1862 io
->u
.Status
= STATUS_NO_MEMORY
;
1863 return io
->u
.Status
;
1866 if (restart_scan
) lseek( fd
, 0, SEEK_SET
);
1868 io
->u
.Status
= STATUS_SUCCESS
;
1870 /* FIXME: should make sure size is larger than filesystem block size */
1871 res
= wine_getdirentries( fd
, data
, size
, &restart_pos
);
1874 io
->u
.Status
= FILE_GetNtStatus();
1879 de
= (struct dirent
*)data
;
1883 /* check if we got . and .. from getdirentries */
1886 if (!strcmp( de
->d_name
, "." ) && res
> dir_reclen(de
))
1888 struct dirent
*next_de
= (struct dirent
*)(data
+ dir_reclen(de
));
1889 if (!strcmp( next_de
->d_name
, ".." )) fake_dot_dot
= 0;
1892 /* make sure we have enough room for both entries */
1895 const ULONG min_info_size
= dir_info_size( class, 1 ) + dir_info_size( class, 2 );
1896 if (length
< min_info_size
|| single_entry
)
1898 FIXME( "not enough room %u/%u for fake . and .. entries\n", length
, single_entry
);
1905 if ((info
= append_entry( buffer
, io
, length
, ".", NULL
, mask
, class )))
1907 if ((info
= append_entry( buffer
, io
, length
, "..", NULL
, mask
, class )))
1910 restart_last_info
= last_info
;
1911 restart_info_pos
= io
->Information
;
1913 /* check if we still have enough space for the largest possible entry */
1914 if (last_info
&& io
->Information
+ max_dir_info_size(class) > length
)
1916 lseek( fd
, 0, SEEK_SET
); /* reset pos to first entry */
1924 res
-= dir_reclen(de
);
1926 !(fake_dot_dot
&& (!strcmp( de
->d_name
, "." ) || !strcmp( de
->d_name
, ".." ))) &&
1927 ((info
= append_entry( buffer
, io
, length
, de
->d_name
, NULL
, mask
, class ))))
1930 if (io
->u
.Status
== STATUS_BUFFER_OVERFLOW
)
1932 lseek( fd
, (unsigned long)restart_pos
, SEEK_SET
);
1933 if (restart_info_pos
) /* if we have a complete read already, return it */
1935 io
->u
.Status
= STATUS_SUCCESS
;
1936 io
->Information
= restart_info_pos
;
1937 last_info
= restart_last_info
;
1940 /* otherwise restart from the start with a smaller size */
1941 size
= (char *)de
- data
;
1943 io
->Information
= 0;
1947 if (!has_wildcard( mask
)) break;
1948 /* if we have to return but the buffer contains more data, restart with a smaller size */
1949 if (res
> 0 && (single_entry
|| io
->Information
+ max_dir_info_size(class) > length
))
1951 lseek( fd
, (unsigned long)restart_pos
, SEEK_SET
);
1952 size
= (char *)de
+ dir_reclen(de
) - data
;
1953 io
->Information
= restart_info_pos
;
1954 last_info
= restart_last_info
;
1958 /* move on to the next entry */
1961 de
= (struct dirent
*)((char *)de
+ dir_reclen(de
));
1964 if (size
< initial_size
) break; /* already restarted once, give up now */
1965 restart_last_info
= last_info
;
1966 restart_info_pos
= io
->Information
;
1968 res
= wine_getdirentries( fd
, data
, size
, &restart_pos
);
1969 de
= (struct dirent
*)data
;
1972 if (last_info
) last_info
->next
= 0;
1973 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
1976 if (data
!= local_buffer
) RtlFreeHeap( GetProcessHeap(), 0, data
);
1980 #ifdef _DARWIN_FEATURE_64_BIT_INODE
1981 #undef getdirentries
1985 #endif /* HAVE_GETDIRENTRIES */
1988 /***********************************************************************
1989 * read_directory_readdir
1991 * Read a directory using the POSIX readdir interface; helper for NtQueryDirectoryFile.
1993 static void read_directory_readdir( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
1994 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
1995 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
1998 off_t i
, old_pos
= 0;
2000 union file_directory_info
*info
, *last_info
= NULL
;
2002 if (!(dir
= opendir( "." )))
2004 io
->u
.Status
= FILE_GetNtStatus();
2010 old_pos
= lseek( fd
, 0, SEEK_CUR
);
2011 /* skip the right number of entries */
2012 for (i
= 0; i
< old_pos
- 2; i
++)
2014 if (!readdir( dir
))
2017 io
->u
.Status
= STATUS_NO_MORE_FILES
;
2022 io
->u
.Status
= STATUS_SUCCESS
;
2027 info
= append_entry( buffer
, io
, length
, ".", NULL
, mask
, class );
2028 else if (old_pos
== 1)
2029 info
= append_entry( buffer
, io
, length
, "..", NULL
, mask
, class );
2030 else if ((de
= readdir( dir
)))
2032 if (strcmp( de
->d_name
, "." ) && strcmp( de
->d_name
, ".." ))
2033 info
= append_entry( buffer
, io
, length
, de
->d_name
, NULL
, mask
, class );
2043 if (io
->u
.Status
== STATUS_BUFFER_OVERFLOW
)
2045 old_pos
--; /* restore pos to previous entry */
2048 if (single_entry
) break;
2049 /* check if we still have enough space for the largest possible entry */
2050 if (io
->Information
+ max_dir_info_size(class) > length
) break;
2054 lseek( fd
, old_pos
, SEEK_SET
); /* store dir offset as filepos for fd */
2057 if (last_info
) last_info
->next
= 0;
2058 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
2061 /***********************************************************************
2062 * read_directory_stat
2064 * Read a single file from a directory by determining whether the file
2065 * identified by mask exists using stat.
2067 static int read_directory_stat( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
2068 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
2069 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
2071 int unix_len
, ret
, used_default
;
2074 BOOL case_sensitive
= get_dir_case_sensitivity(".");
2076 TRACE("looking up file %s\n", debugstr_us( mask
));
2078 unix_len
= ntdll_wcstoumbs( 0, mask
->Buffer
, mask
->Length
/ sizeof(WCHAR
), NULL
, 0, NULL
, NULL
);
2079 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
+ 1)))
2081 io
->u
.Status
= STATUS_NO_MEMORY
;
2084 ret
= ntdll_wcstoumbs( 0, mask
->Buffer
, mask
->Length
/ sizeof(WCHAR
), unix_name
, unix_len
,
2085 NULL
, &used_default
);
2086 if (ret
> 0 && !used_default
)
2091 lseek( fd
, 0, SEEK_SET
);
2093 else if (lseek( fd
, 0, SEEK_CUR
) != 0)
2095 io
->u
.Status
= STATUS_NO_MORE_FILES
;
2100 ret
= stat( unix_name
, &st
);
2101 if (case_sensitive
&& !ret
)
2103 union file_directory_info
*info
= append_entry( buffer
, io
, length
, unix_name
, NULL
, NULL
, class );
2107 if (io
->u
.Status
!= STATUS_BUFFER_OVERFLOW
) lseek( fd
, 1, SEEK_CUR
);
2109 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
2119 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2121 TRACE("returning %d\n", ret
);
2126 #ifdef HAVE_GETATTRLIST
2127 /***********************************************************************
2128 * read_directory_getattrlist
2130 * Read a single file from a directory by determining whether the file
2131 * identified by mask exists using getattrlist.
2133 static int read_directory_getattrlist( int fd
, IO_STATUS_BLOCK
*io
, void *buffer
, ULONG length
,
2134 BOOLEAN single_entry
, const UNICODE_STRING
*mask
,
2135 BOOLEAN restart_scan
, FILE_INFORMATION_CLASS
class )
2137 int unix_len
, ret
, used_default
;
2139 struct attrlist attrlist
;
2140 #include "pshpack4.h"
2144 struct attrreference name_reference
;
2146 char name
[NAME_MAX
* 3 + 1];
2148 #include "poppack.h"
2150 TRACE("looking up file %s\n", debugstr_us( mask
));
2152 unix_len
= ntdll_wcstoumbs( 0, mask
->Buffer
, mask
->Length
/ sizeof(WCHAR
), NULL
, 0, NULL
, NULL
);
2153 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
+ 1)))
2155 io
->u
.Status
= STATUS_NO_MEMORY
;
2158 ret
= ntdll_wcstoumbs( 0, mask
->Buffer
, mask
->Length
/ sizeof(WCHAR
), unix_name
, unix_len
,
2159 NULL
, &used_default
);
2160 if (ret
> 0 && !used_default
)
2165 lseek( fd
, 0, SEEK_SET
);
2167 else if (lseek( fd
, 0, SEEK_CUR
) != 0)
2169 io
->u
.Status
= STATUS_NO_MORE_FILES
;
2174 memset( &attrlist
, 0, sizeof(attrlist
) );
2175 attrlist
.bitmapcount
= ATTR_BIT_MAP_COUNT
;
2176 attrlist
.commonattr
= ATTR_CMN_NAME
| ATTR_CMN_OBJTYPE
;
2177 ret
= getattrlist( unix_name
, &attrlist
, &attrlist_buffer
, sizeof(attrlist_buffer
), FSOPT_NOFOLLOW
);
2178 /* If unix_name named a symlink, the above may have succeeded even if the symlink is broken.
2179 Check that with another call without FSOPT_NOFOLLOW. We don't ask for any attributes. */
2180 if (!ret
&& attrlist_buffer
.type
== VLNK
)
2183 attrlist
.commonattr
= 0;
2184 ret
= getattrlist( unix_name
, &attrlist
, &dummy
, sizeof(dummy
), 0 );
2188 union file_directory_info
*info
= append_entry( buffer
, io
, length
, attrlist_buffer
.name
, NULL
, NULL
, class );
2192 if (io
->u
.Status
!= STATUS_BUFFER_OVERFLOW
) lseek( fd
, 1, SEEK_CUR
);
2194 else io
->u
.Status
= restart_scan
? STATUS_NO_SUCH_FILE
: STATUS_NO_MORE_FILES
;
2200 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2202 TRACE("returning %d\n", ret
);
2209 /******************************************************************************
2210 * NtQueryDirectoryFile [NTDLL.@]
2211 * ZwQueryDirectoryFile [NTDLL.@]
2213 NTSTATUS WINAPI
NtQueryDirectoryFile( HANDLE handle
, HANDLE event
,
2214 PIO_APC_ROUTINE apc_routine
, PVOID apc_context
,
2215 PIO_STATUS_BLOCK io
,
2216 PVOID buffer
, ULONG length
,
2217 FILE_INFORMATION_CLASS info_class
,
2218 BOOLEAN single_entry
,
2219 PUNICODE_STRING mask
,
2220 BOOLEAN restart_scan
)
2222 int cwd
, fd
, needs_close
;
2224 TRACE("(%p %p %p %p %p %p 0x%08x 0x%08x 0x%08x %s 0x%08x\n",
2225 handle
, event
, apc_routine
, apc_context
, io
, buffer
,
2226 length
, info_class
, single_entry
, debugstr_us(mask
),
2229 if (event
|| apc_routine
)
2231 FIXME( "Unsupported yet option\n" );
2232 return io
->u
.Status
= STATUS_NOT_IMPLEMENTED
;
2236 case FileDirectoryInformation
:
2237 case FileBothDirectoryInformation
:
2238 case FileFullDirectoryInformation
:
2239 case FileIdBothDirectoryInformation
:
2240 case FileIdFullDirectoryInformation
:
2241 if (length
< dir_info_size( info_class
, 1 )) return io
->u
.Status
= STATUS_INFO_LENGTH_MISMATCH
;
2242 if (!buffer
) return io
->u
.Status
= STATUS_ACCESS_VIOLATION
;
2245 FIXME( "Unsupported file info class %d\n", info_class
);
2246 return io
->u
.Status
= STATUS_NOT_IMPLEMENTED
;
2249 if ((io
->u
.Status
= server_get_unix_fd( handle
, FILE_LIST_DIRECTORY
, &fd
, &needs_close
, NULL
, NULL
)) != STATUS_SUCCESS
)
2250 return io
->u
.Status
;
2252 io
->Information
= 0;
2254 RtlRunOnceExecuteOnce( &init_once
, init_options
, NULL
, NULL
);
2256 RtlEnterCriticalSection( &dir_section
);
2258 cwd
= open( ".", O_RDONLY
);
2259 if (fchdir( fd
) != -1)
2263 curdir
.dev
= st
.st_dev
;
2264 curdir
.ino
= st
.st_ino
;
2265 #ifdef VFAT_IOCTL_READDIR_BOTH
2266 if ((read_directory_vfat( fd
, io
, buffer
, length
, single_entry
,
2267 mask
, restart_scan
, info_class
)) != -1) goto done
;
2269 if (!has_wildcard( mask
))
2271 #ifdef HAVE_GETATTRLIST
2272 if (read_directory_getattrlist( fd
, io
, buffer
, length
, single_entry
,
2273 mask
, restart_scan
, info_class
) != -1) goto done
;
2275 if (read_directory_stat( fd
, io
, buffer
, length
, single_entry
,
2276 mask
, restart_scan
, info_class
) != -1) goto done
;
2279 if ((read_directory_getdents( fd
, io
, buffer
, length
, single_entry
,
2280 mask
, restart_scan
, info_class
)) != -1) goto done
;
2281 #elif defined HAVE_GETDIRENTRIES
2282 if ((read_directory_getdirentries( fd
, io
, buffer
, length
, single_entry
,
2283 mask
, restart_scan
, info_class
)) != -1) goto done
;
2285 read_directory_readdir( fd
, io
, buffer
, length
, single_entry
, mask
, restart_scan
, info_class
);
2288 if (cwd
== -1 || fchdir( cwd
) == -1) chdir( "/" );
2290 else io
->u
.Status
= FILE_GetNtStatus();
2292 RtlLeaveCriticalSection( &dir_section
);
2294 if (needs_close
) close( fd
);
2295 if (cwd
!= -1) close( cwd
);
2296 TRACE( "=> %x (%ld)\n", io
->u
.Status
, io
->Information
);
2297 return io
->u
.Status
;
2301 /***********************************************************************
2304 * Find a file in a directory the hard way, by doing a case-insensitive search.
2305 * The file found is appended to unix_name at pos.
2306 * There must be at least MAX_DIR_ENTRY_LEN+2 chars available at pos.
2308 static NTSTATUS
find_file_in_dir( char *unix_name
, int pos
, const WCHAR
*name
, int length
,
2309 BOOLEAN check_case
, BOOLEAN
*is_win_dir
)
2311 WCHAR buffer
[MAX_DIR_ENTRY_LEN
];
2313 BOOLEAN spaces
, is_name_8_dot_3
;
2317 int ret
, used_default
;
2319 /* try a shortcut for this directory */
2321 unix_name
[pos
++] = '/';
2322 ret
= ntdll_wcstoumbs( 0, name
, length
, unix_name
+ pos
, MAX_DIR_ENTRY_LEN
,
2323 NULL
, &used_default
);
2324 /* if we used the default char, the Unix name won't round trip properly back to Unicode */
2325 /* so it cannot match the file we are looking for */
2326 if (ret
>= 0 && !used_default
)
2328 unix_name
[pos
+ ret
] = 0;
2329 if (!stat( unix_name
, &st
))
2331 if (is_win_dir
) *is_win_dir
= is_same_file( &windir
, &st
);
2332 return STATUS_SUCCESS
;
2335 if (check_case
) goto not_found
; /* we want an exact match */
2337 if (pos
> 1) unix_name
[pos
- 1] = 0;
2338 else unix_name
[1] = 0; /* keep the initial slash */
2340 /* check if it fits in 8.3 so that we don't look for short names if we won't need them */
2342 str
.Buffer
= (WCHAR
*)name
;
2343 str
.Length
= length
* sizeof(WCHAR
);
2344 str
.MaximumLength
= str
.Length
;
2345 is_name_8_dot_3
= RtlIsNameLegalDOS8Dot3( &str
, NULL
, &spaces
) && !spaces
;
2346 #ifndef VFAT_IOCTL_READDIR_BOTH
2347 is_name_8_dot_3
= is_name_8_dot_3
&& length
>= 8 && name
[4] == '~';
2350 if (!is_name_8_dot_3
&& !get_dir_case_sensitivity( unix_name
)) goto not_found
;
2352 /* now look for it through the directory */
2354 #ifdef VFAT_IOCTL_READDIR_BOTH
2355 if (is_name_8_dot_3
)
2357 int fd
= open( unix_name
, O_RDONLY
| O_DIRECTORY
);
2362 RtlEnterCriticalSection( &dir_section
);
2363 if ((kde
= start_vfat_ioctl( fd
)))
2365 unix_name
[pos
- 1] = '/';
2366 while (kde
[0].d_reclen
)
2368 /* make sure names are null-terminated to work around an x86-64 kernel bug */
2369 size_t len
= min(kde
[0].d_reclen
, sizeof(kde
[0].d_name
) - 1 );
2370 kde
[0].d_name
[len
] = 0;
2371 len
= min(kde
[1].d_reclen
, sizeof(kde
[1].d_name
) - 1 );
2372 kde
[1].d_name
[len
] = 0;
2374 if (kde
[1].d_name
[0])
2376 ret
= ntdll_umbstowcs( 0, kde
[1].d_name
, strlen(kde
[1].d_name
),
2377 buffer
, MAX_DIR_ENTRY_LEN
);
2378 if (ret
== length
&& !memicmpW( buffer
, name
, length
))
2380 strcpy( unix_name
+ pos
, kde
[1].d_name
);
2381 RtlLeaveCriticalSection( &dir_section
);
2386 ret
= ntdll_umbstowcs( 0, kde
[0].d_name
, strlen(kde
[0].d_name
),
2387 buffer
, MAX_DIR_ENTRY_LEN
);
2388 if (ret
== length
&& !memicmpW( buffer
, name
, length
))
2390 strcpy( unix_name
+ pos
,
2391 kde
[1].d_name
[0] ? kde
[1].d_name
: kde
[0].d_name
);
2392 RtlLeaveCriticalSection( &dir_section
);
2396 if (ioctl( fd
, VFAT_IOCTL_READDIR_BOTH
, (long)kde
) == -1)
2398 RtlLeaveCriticalSection( &dir_section
);
2404 RtlLeaveCriticalSection( &dir_section
);
2407 /* fall through to normal handling */
2409 #endif /* VFAT_IOCTL_READDIR_BOTH */
2411 if (!(dir
= opendir( unix_name
)))
2413 if (errno
== ENOENT
) return STATUS_OBJECT_PATH_NOT_FOUND
;
2414 else return FILE_GetNtStatus();
2416 unix_name
[pos
- 1] = '/';
2417 str
.Buffer
= buffer
;
2418 str
.MaximumLength
= sizeof(buffer
);
2419 while ((de
= readdir( dir
)))
2421 ret
= ntdll_umbstowcs( 0, de
->d_name
, strlen(de
->d_name
), buffer
, MAX_DIR_ENTRY_LEN
);
2422 if (ret
== length
&& !memicmpW( buffer
, name
, length
))
2424 strcpy( unix_name
+ pos
, de
->d_name
);
2429 if (!is_name_8_dot_3
) continue;
2431 str
.Length
= ret
* sizeof(WCHAR
);
2432 if (!RtlIsNameLegalDOS8Dot3( &str
, NULL
, &spaces
) || spaces
)
2434 WCHAR short_nameW
[12];
2435 ret
= hash_short_file_name( &str
, short_nameW
);
2436 if (ret
== length
&& !memicmpW( short_nameW
, name
, length
))
2438 strcpy( unix_name
+ pos
, de
->d_name
);
2447 unix_name
[pos
- 1] = 0;
2448 return STATUS_OBJECT_PATH_NOT_FOUND
;
2451 if (is_win_dir
&& !stat( unix_name
, &st
)) *is_win_dir
= is_same_file( &windir
, &st
);
2452 return STATUS_SUCCESS
;
2458 static const WCHAR catrootW
[] = {'s','y','s','t','e','m','3','2','\\','c','a','t','r','o','o','t',0};
2459 static const WCHAR catroot2W
[] = {'s','y','s','t','e','m','3','2','\\','c','a','t','r','o','o','t','2',0};
2460 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};
2461 static const WCHAR driversetcW
[] = {'s','y','s','t','e','m','3','2','\\','d','r','i','v','e','r','s','\\','e','t','c',0};
2462 static const WCHAR logfilesW
[] = {'s','y','s','t','e','m','3','2','\\','l','o','g','f','i','l','e','s',0};
2463 static const WCHAR spoolW
[] = {'s','y','s','t','e','m','3','2','\\','s','p','o','o','l',0};
2464 static const WCHAR system32W
[] = {'s','y','s','t','e','m','3','2',0};
2465 static const WCHAR syswow64W
[] = {'s','y','s','w','o','w','6','4',0};
2466 static const WCHAR sysnativeW
[] = {'s','y','s','n','a','t','i','v','e',0};
2467 static const WCHAR regeditW
[] = {'r','e','g','e','d','i','t','.','e','x','e',0};
2468 static const WCHAR wow_regeditW
[] = {'s','y','s','w','o','w','6','4','\\','r','e','g','e','d','i','t','.','e','x','e',0};
2472 const WCHAR
*source
;
2473 const WCHAR
*dos_target
;
2474 const char *unix_target
;
2477 { catrootW
, NULL
, NULL
},
2478 { catroot2W
, NULL
, NULL
},
2479 { driversstoreW
, NULL
, NULL
},
2480 { driversetcW
, NULL
, NULL
},
2481 { logfilesW
, NULL
, NULL
},
2482 { spoolW
, NULL
, NULL
},
2483 { system32W
, syswow64W
, NULL
},
2484 { sysnativeW
, system32W
, NULL
},
2485 { regeditW
, wow_regeditW
, NULL
}
2488 static unsigned int nb_redirects
;
2491 /***********************************************************************
2492 * get_redirect_target
2494 * Find the target unix name for a redirected dir.
2496 static const char *get_redirect_target( const char *windows_dir
, const WCHAR
*name
)
2498 int used_default
, len
, pos
, win_len
= strlen( windows_dir
);
2499 char *unix_name
, *unix_target
= NULL
;
2502 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, win_len
+ MAX_DIR_ENTRY_LEN
+ 2 )))
2504 memcpy( unix_name
, windows_dir
, win_len
);
2509 const WCHAR
*end
, *next
;
2511 for (end
= name
; *end
; end
++) if (IS_SEPARATOR(*end
)) break;
2512 for (next
= end
; *next
; next
++) if (!IS_SEPARATOR(*next
)) break;
2514 status
= find_file_in_dir( unix_name
, pos
, name
, end
- name
, FALSE
, NULL
);
2515 if (status
== STATUS_OBJECT_PATH_NOT_FOUND
&& !*next
) /* not finding last element is ok */
2517 len
= ntdll_wcstoumbs( 0, name
, end
- name
, unix_name
+ pos
+ 1,
2518 MAX_DIR_ENTRY_LEN
- (pos
- win_len
), NULL
, &used_default
);
2519 if (len
> 0 && !used_default
)
2521 unix_name
[pos
] = '/';
2527 if (status
) goto done
;
2528 pos
+= strlen( unix_name
+ pos
);
2532 if ((unix_target
= RtlAllocateHeap( GetProcessHeap(), 0, pos
- win_len
)))
2533 memcpy( unix_target
, unix_name
+ win_len
+ 1, pos
- win_len
);
2536 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2541 /***********************************************************************
2544 static void init_redirects(void)
2546 UNICODE_STRING nt_name
;
2547 ANSI_STRING unix_name
;
2552 if (!RtlDosPathNameToNtPathName_U( user_shared_data
->NtSystemRoot
, &nt_name
, NULL
, NULL
))
2554 ERR( "can't convert %s\n", debugstr_w(user_shared_data
->NtSystemRoot
) );
2557 status
= wine_nt_to_unix_file_name( &nt_name
, &unix_name
, FILE_OPEN_IF
, FALSE
);
2558 RtlFreeUnicodeString( &nt_name
);
2561 ERR( "cannot open %s (%x)\n", debugstr_w(user_shared_data
->NtSystemRoot
), status
);
2564 if (!stat( unix_name
.Buffer
, &st
))
2566 windir
.dev
= st
.st_dev
;
2567 windir
.ino
= st
.st_ino
;
2568 nb_redirects
= sizeof(redirects
) / sizeof(redirects
[0]);
2569 for (i
= 0; i
< nb_redirects
; i
++)
2571 if (!redirects
[i
].dos_target
) continue;
2572 redirects
[i
].unix_target
= get_redirect_target( unix_name
.Buffer
, redirects
[i
].dos_target
);
2573 TRACE( "%s -> %s\n", debugstr_w(redirects
[i
].source
), redirects
[i
].unix_target
);
2576 RtlFreeAnsiString( &unix_name
);
2581 /***********************************************************************
2584 * Check if path matches a redirect name. If yes, return matched length.
2586 static int match_redirect( const WCHAR
*path
, int len
, const WCHAR
*redir
, BOOLEAN check_case
)
2590 while (i
< len
&& *redir
)
2592 if (IS_SEPARATOR(path
[i
]))
2594 if (*redir
++ != '\\') return 0;
2595 while (i
< len
&& IS_SEPARATOR(path
[i
])) i
++;
2596 continue; /* move on to next path component */
2598 else if (check_case
)
2600 if (path
[i
] != *redir
) return 0;
2604 if (tolowerW(path
[i
]) != tolowerW(*redir
)) return 0;
2609 if (*redir
) return 0;
2610 if (i
< len
&& !IS_SEPARATOR(path
[i
])) return 0;
2611 while (i
< len
&& IS_SEPARATOR(path
[i
])) i
++;
2616 /***********************************************************************
2619 * Retrieve the Unix path corresponding to a redirected path if any.
2621 static int get_redirect_path( char *unix_name
, int pos
, const WCHAR
*name
, int length
, BOOLEAN check_case
)
2626 for (i
= 0; i
< nb_redirects
; i
++)
2628 if ((len
= match_redirect( name
, length
, redirects
[i
].source
, check_case
)))
2630 if (!redirects
[i
].unix_target
) break;
2631 unix_name
[pos
++] = '/';
2632 strcpy( unix_name
+ pos
, redirects
[i
].unix_target
);
2641 /* there are no redirects on 64-bit */
2643 static const unsigned int nb_redirects
= 0;
2645 static int get_redirect_path( char *unix_name
, int pos
, const WCHAR
*name
, int length
, BOOLEAN check_case
)
2652 /***********************************************************************
2653 * DIR_init_windows_dir
2655 void DIR_init_windows_dir( const WCHAR
*win
, const WCHAR
*sys
)
2657 /* FIXME: should probably store paths as NT file names */
2659 RtlCreateUnicodeString( &system_dir
, sys
);
2662 if (is_wow64
) init_redirects();
2667 /******************************************************************************
2670 * Get the Unix path of a DOS device.
2672 static NTSTATUS
get_dos_device( const WCHAR
*name
, UINT name_len
, ANSI_STRING
*unix_name_ret
)
2674 const char *config_dir
= wine_get_config_dir();
2676 char *unix_name
, *new_name
, *dev
;
2680 /* make sure the device name is ASCII */
2681 for (i
= 0; i
< name_len
; i
++)
2682 if (name
[i
] <= 32 || name
[i
] >= 127) return STATUS_BAD_DEVICE_TYPE
;
2684 unix_len
= strlen(config_dir
) + sizeof("/dosdevices/") + name_len
+ 1;
2686 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
)))
2687 return STATUS_NO_MEMORY
;
2689 strcpy( unix_name
, config_dir
);
2690 strcat( unix_name
, "/dosdevices/" );
2691 dev
= unix_name
+ strlen(unix_name
);
2693 for (i
= 0; i
< name_len
; i
++) dev
[i
] = (char)tolowerW(name
[i
]);
2696 /* special case for drive devices */
2697 if (name_len
== 2 && dev
[1] == ':')
2705 if (!stat( unix_name
, &st
))
2707 TRACE( "%s -> %s\n", debugstr_wn(name
,name_len
), debugstr_a(unix_name
) );
2708 unix_name_ret
->Buffer
= unix_name
;
2709 unix_name_ret
->Length
= strlen(unix_name
);
2710 unix_name_ret
->MaximumLength
= unix_len
;
2711 return STATUS_SUCCESS
;
2715 /* now try some defaults for it */
2716 if (!strcmp( dev
, "aux" ))
2718 strcpy( dev
, "com1" );
2721 if (!strcmp( dev
, "prn" ))
2723 strcpy( dev
, "lpt1" );
2728 if (dev
[1] == ':' && dev
[2] == ':') /* drive device */
2730 dev
[2] = 0; /* remove last ':' to get the drive mount point symlink */
2731 new_name
= get_default_drive_device( unix_name
);
2733 else if (!strncmp( dev
, "com", 3 )) new_name
= get_default_com_device( atoi(dev
+ 3 ));
2734 else if (!strncmp( dev
, "lpt", 3 )) new_name
= get_default_lpt_device( atoi(dev
+ 3 ));
2736 if (!new_name
) break;
2738 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2739 unix_name
= new_name
;
2740 unix_len
= strlen(unix_name
) + 1;
2741 dev
= NULL
; /* last try */
2743 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
2744 return STATUS_BAD_DEVICE_TYPE
;
2748 /* return the length of the DOS namespace prefix if any */
2749 static inline int get_dos_prefix_len( const UNICODE_STRING
*name
)
2751 static const WCHAR nt_prefixW
[] = {'\\','?','?','\\'};
2752 static const WCHAR dosdev_prefixW
[] = {'\\','D','o','s','D','e','v','i','c','e','s','\\'};
2754 if (name
->Length
>= sizeof(nt_prefixW
) &&
2755 !memcmp( name
->Buffer
, nt_prefixW
, sizeof(nt_prefixW
) ))
2756 return sizeof(nt_prefixW
) / sizeof(WCHAR
);
2758 if (name
->Length
>= sizeof(dosdev_prefixW
) &&
2759 !memicmpW( name
->Buffer
, dosdev_prefixW
, sizeof(dosdev_prefixW
)/sizeof(WCHAR
) ))
2760 return sizeof(dosdev_prefixW
) / sizeof(WCHAR
);
2766 /******************************************************************************
2769 * Recursively search directories from the dir queue for a given inode.
2771 static NTSTATUS
find_file_id( ANSI_STRING
*unix_name
, ULONGLONG file_id
, dev_t dev
)
2779 while (!(status
= next_dir_in_queue( unix_name
->Buffer
)))
2781 if (!(dir
= opendir( unix_name
->Buffer
))) continue;
2782 TRACE( "searching %s for %s\n", unix_name
->Buffer
, wine_dbgstr_longlong(file_id
) );
2783 pos
= strlen( unix_name
->Buffer
);
2784 if (pos
+ MAX_DIR_ENTRY_LEN
>= unix_name
->MaximumLength
/sizeof(WCHAR
))
2786 char *new = RtlReAllocateHeap( GetProcessHeap(), 0, unix_name
->Buffer
,
2787 unix_name
->MaximumLength
* 2 );
2791 return STATUS_NO_MEMORY
;
2793 unix_name
->MaximumLength
*= 2;
2794 unix_name
->Buffer
= new;
2796 unix_name
->Buffer
[pos
++] = '/';
2797 while ((de
= readdir( dir
)))
2799 if (!strcmp( de
->d_name
, "." ) || !strcmp( de
->d_name
, ".." )) continue;
2800 strcpy( unix_name
->Buffer
+ pos
, de
->d_name
);
2801 if (lstat( unix_name
->Buffer
, &st
) == -1) continue;
2802 if (st
.st_dev
!= dev
) continue;
2803 if (st
.st_ino
== file_id
)
2806 return STATUS_SUCCESS
;
2808 if (!S_ISDIR( st
.st_mode
)) continue;
2809 if ((status
= add_dir_to_queue( unix_name
->Buffer
)) != STATUS_SUCCESS
)
2821 /******************************************************************************
2822 * file_id_to_unix_file_name
2824 * Lookup a file from its file id instead of its name.
2826 NTSTATUS
file_id_to_unix_file_name( const OBJECT_ATTRIBUTES
*attr
, ANSI_STRING
*unix_name
)
2828 enum server_fd_type type
;
2829 int old_cwd
, root_fd
, needs_close
;
2832 struct stat st
, root_st
;
2834 if (attr
->ObjectName
->Length
!= sizeof(ULONGLONG
)) return STATUS_OBJECT_PATH_SYNTAX_BAD
;
2835 if (!attr
->RootDirectory
) return STATUS_INVALID_PARAMETER
;
2836 memcpy( &file_id
, attr
->ObjectName
->Buffer
, sizeof(file_id
) );
2838 unix_name
->MaximumLength
= 2 * MAX_DIR_ENTRY_LEN
+ 4;
2839 if (!(unix_name
->Buffer
= RtlAllocateHeap( GetProcessHeap(), 0, unix_name
->MaximumLength
)))
2840 return STATUS_NO_MEMORY
;
2841 strcpy( unix_name
->Buffer
, "." );
2843 if ((status
= server_get_unix_fd( attr
->RootDirectory
, 0, &root_fd
, &needs_close
, &type
, NULL
)))
2846 if (type
!= FD_TYPE_DIR
)
2848 status
= STATUS_OBJECT_TYPE_MISMATCH
;
2852 fstat( root_fd
, &root_st
);
2853 if (root_st
.st_ino
== file_id
) /* shortcut for "." */
2855 status
= STATUS_SUCCESS
;
2859 RtlEnterCriticalSection( &dir_section
);
2860 if ((old_cwd
= open( ".", O_RDONLY
)) != -1 && fchdir( root_fd
) != -1)
2862 /* shortcut for ".." */
2863 if (!stat( "..", &st
) && st
.st_dev
== root_st
.st_dev
&& st
.st_ino
== file_id
)
2865 strcpy( unix_name
->Buffer
, ".." );
2866 status
= STATUS_SUCCESS
;
2870 status
= add_dir_to_queue( "." );
2872 status
= find_file_id( unix_name
, file_id
, root_st
.st_dev
);
2873 if (!status
) /* get rid of "./" prefix */
2874 memmove( unix_name
->Buffer
, unix_name
->Buffer
+ 2, strlen(unix_name
->Buffer
) - 1 );
2877 if (fchdir( old_cwd
) == -1) chdir( "/" );
2879 else status
= FILE_GetNtStatus();
2880 RtlLeaveCriticalSection( &dir_section
);
2881 if (old_cwd
!= -1) close( old_cwd
);
2884 if (status
== STATUS_SUCCESS
)
2886 TRACE( "%s -> %s\n", wine_dbgstr_longlong(file_id
), debugstr_a(unix_name
->Buffer
) );
2887 unix_name
->Length
= strlen( unix_name
->Buffer
);
2891 TRACE( "%s not found in dir %p\n", wine_dbgstr_longlong(file_id
), attr
->RootDirectory
);
2892 RtlFreeHeap( GetProcessHeap(), 0, unix_name
->Buffer
);
2894 if (needs_close
) close( root_fd
);
2899 /******************************************************************************
2902 * Helper for nt_to_unix_file_name
2904 static NTSTATUS
lookup_unix_name( const WCHAR
*name
, int name_len
, char **buffer
, int unix_len
, int pos
,
2905 UINT disposition
, BOOLEAN check_case
)
2908 int ret
, used_default
, len
;
2910 char *unix_name
= *buffer
;
2911 const BOOL redirect
= nb_redirects
&& ntdll_get_thread_data()->wow64_redir
;
2913 /* try a shortcut first */
2915 ret
= ntdll_wcstoumbs( 0, name
, name_len
, unix_name
+ pos
, unix_len
- pos
- 1,
2916 NULL
, &used_default
);
2918 while (name_len
&& IS_SEPARATOR(*name
))
2924 if (ret
>= 0 && !used_default
) /* if we used the default char the name didn't convert properly */
2927 unix_name
[pos
+ ret
] = 0;
2928 for (p
= unix_name
+ pos
; *p
; p
++) if (*p
== '\\') *p
= '/';
2929 if (!redirect
|| (!strstr( unix_name
, "/windows/") && strncmp( unix_name
, "windows/", 8 )))
2931 if (!stat( unix_name
, &st
))
2933 /* creation fails with STATUS_ACCESS_DENIED for the root of the drive */
2934 if (disposition
== FILE_CREATE
)
2935 return name_len
? STATUS_OBJECT_NAME_COLLISION
: STATUS_ACCESS_DENIED
;
2936 return STATUS_SUCCESS
;
2941 if (!name_len
) /* empty name -> drive root doesn't exist */
2942 return STATUS_OBJECT_PATH_NOT_FOUND
;
2943 if (check_case
&& !redirect
&& (disposition
== FILE_OPEN
|| disposition
== FILE_OVERWRITE
))
2944 return STATUS_OBJECT_NAME_NOT_FOUND
;
2946 /* now do it component by component */
2950 const WCHAR
*end
, *next
;
2951 BOOLEAN is_win_dir
= FALSE
;
2954 while (end
< name
+ name_len
&& !IS_SEPARATOR(*end
)) end
++;
2956 while (next
< name
+ name_len
&& IS_SEPARATOR(*next
)) next
++;
2957 name_len
-= next
- name
;
2959 /* grow the buffer if needed */
2961 if (unix_len
- pos
< MAX_DIR_ENTRY_LEN
+ 2)
2964 unix_len
+= 2 * MAX_DIR_ENTRY_LEN
;
2965 if (!(new_name
= RtlReAllocateHeap( GetProcessHeap(), 0, unix_name
, unix_len
)))
2966 return STATUS_NO_MEMORY
;
2967 unix_name
= *buffer
= new_name
;
2970 status
= find_file_in_dir( unix_name
, pos
, name
, end
- name
,
2971 check_case
, redirect
? &is_win_dir
: NULL
);
2973 /* if this is the last element, not finding it is not necessarily fatal */
2976 if (status
== STATUS_OBJECT_PATH_NOT_FOUND
)
2978 status
= STATUS_OBJECT_NAME_NOT_FOUND
;
2979 if (disposition
!= FILE_OPEN
&& disposition
!= FILE_OVERWRITE
)
2981 ret
= ntdll_wcstoumbs( 0, name
, end
- name
, unix_name
+ pos
+ 1,
2982 MAX_DIR_ENTRY_LEN
, NULL
, &used_default
);
2983 if (ret
> 0 && !used_default
)
2985 unix_name
[pos
] = '/';
2986 unix_name
[pos
+ 1 + ret
] = 0;
2987 status
= STATUS_NO_SUCH_FILE
;
2992 else if (status
== STATUS_SUCCESS
&& disposition
== FILE_CREATE
)
2994 status
= STATUS_OBJECT_NAME_COLLISION
;
2998 if (status
!= STATUS_SUCCESS
) break;
3000 pos
+= strlen( unix_name
+ pos
);
3003 if (is_win_dir
&& (len
= get_redirect_path( unix_name
, pos
, name
, name_len
, check_case
)))
3007 pos
+= strlen( unix_name
+ pos
);
3008 TRACE( "redirecting -> %s + %s\n", debugstr_a(unix_name
), debugstr_w(name
) );
3016 /******************************************************************************
3017 * nt_to_unix_file_name_attr
3019 NTSTATUS
nt_to_unix_file_name_attr( const OBJECT_ATTRIBUTES
*attr
, ANSI_STRING
*unix_name_ret
,
3022 static const WCHAR invalid_charsW
[] = { INVALID_NT_CHARS
, 0 };
3023 enum server_fd_type type
;
3024 int old_cwd
, root_fd
, needs_close
;
3025 const WCHAR
*name
, *p
;
3027 int name_len
, unix_len
;
3029 BOOLEAN check_case
= !(attr
->Attributes
& OBJ_CASE_INSENSITIVE
);
3031 if (!attr
->RootDirectory
) /* without root dir fall back to normal lookup */
3032 return wine_nt_to_unix_file_name( attr
->ObjectName
, unix_name_ret
, disposition
, check_case
);
3034 name
= attr
->ObjectName
->Buffer
;
3035 name_len
= attr
->ObjectName
->Length
/ sizeof(WCHAR
);
3037 if (name_len
&& IS_SEPARATOR(name
[0])) return STATUS_INVALID_PARAMETER
;
3039 /* check for invalid characters */
3040 for (p
= name
; p
< name
+ name_len
; p
++)
3041 if (*p
< 32 || strchrW( invalid_charsW
, *p
)) return STATUS_OBJECT_NAME_INVALID
;
3043 unix_len
= ntdll_wcstoumbs( 0, name
, name_len
, NULL
, 0, NULL
, NULL
);
3044 unix_len
+= MAX_DIR_ENTRY_LEN
+ 3;
3045 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
)))
3046 return STATUS_NO_MEMORY
;
3049 if (!(status
= server_get_unix_fd( attr
->RootDirectory
, 0, &root_fd
, &needs_close
, &type
, NULL
)))
3051 if (type
!= FD_TYPE_DIR
)
3053 if (needs_close
) close( root_fd
);
3054 status
= STATUS_BAD_DEVICE_TYPE
;
3058 RtlEnterCriticalSection( &dir_section
);
3059 if ((old_cwd
= open( ".", O_RDONLY
)) != -1 && fchdir( root_fd
) != -1)
3061 status
= lookup_unix_name( name
, name_len
, &unix_name
, unix_len
, 1,
3062 disposition
, check_case
);
3063 if (fchdir( old_cwd
) == -1) chdir( "/" );
3065 else status
= FILE_GetNtStatus();
3066 RtlLeaveCriticalSection( &dir_section
);
3067 if (old_cwd
!= -1) close( old_cwd
);
3068 if (needs_close
) close( root_fd
);
3071 else if (status
== STATUS_OBJECT_TYPE_MISMATCH
) status
= STATUS_BAD_DEVICE_TYPE
;
3073 if (status
== STATUS_SUCCESS
|| status
== STATUS_NO_SUCH_FILE
)
3075 TRACE( "%s -> %s\n", debugstr_us(attr
->ObjectName
), debugstr_a(unix_name
) );
3076 unix_name_ret
->Buffer
= unix_name
;
3077 unix_name_ret
->Length
= strlen(unix_name
);
3078 unix_name_ret
->MaximumLength
= unix_len
;
3082 TRACE( "%s not found in %s\n", debugstr_w(name
), unix_name
);
3083 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
3089 /******************************************************************************
3090 * wine_nt_to_unix_file_name (NTDLL.@) Not a Windows API
3092 * Convert a file name from NT namespace to Unix namespace.
3094 * If disposition is not FILE_OPEN or FILE_OVERWRITE, the last path
3095 * element doesn't have to exist; in that case STATUS_NO_SUCH_FILE is
3096 * returned, but the unix name is still filled in properly.
3098 NTSTATUS CDECL
wine_nt_to_unix_file_name( const UNICODE_STRING
*nameW
, ANSI_STRING
*unix_name_ret
,
3099 UINT disposition
, BOOLEAN check_case
)
3101 static const WCHAR unixW
[] = {'u','n','i','x'};
3102 static const WCHAR invalid_charsW
[] = { INVALID_NT_CHARS
, 0 };
3104 NTSTATUS status
= STATUS_SUCCESS
;
3105 const char *config_dir
= wine_get_config_dir();
3106 const WCHAR
*name
, *p
;
3109 int pos
, ret
, name_len
, unix_len
, prefix_len
, used_default
;
3110 WCHAR prefix
[MAX_DIR_ENTRY_LEN
];
3111 BOOLEAN is_unix
= FALSE
;
3113 name
= nameW
->Buffer
;
3114 name_len
= nameW
->Length
/ sizeof(WCHAR
);
3116 if (!name_len
|| !IS_SEPARATOR(name
[0])) return STATUS_OBJECT_PATH_SYNTAX_BAD
;
3118 if (!(pos
= get_dos_prefix_len( nameW
)))
3119 return STATUS_BAD_DEVICE_TYPE
; /* no DOS prefix, assume NT native name */
3124 if (!name_len
) return STATUS_OBJECT_NAME_INVALID
;
3126 /* check for sub-directory */
3127 for (pos
= 0; pos
< name_len
; pos
++)
3129 if (IS_SEPARATOR(name
[pos
])) break;
3130 if (name
[pos
] < 32 || strchrW( invalid_charsW
, name
[pos
] ))
3131 return STATUS_OBJECT_NAME_INVALID
;
3133 if (pos
> MAX_DIR_ENTRY_LEN
)
3134 return STATUS_OBJECT_NAME_INVALID
;
3136 if (pos
== name_len
) /* no subdir, plain DOS device */
3137 return get_dos_device( name
, name_len
, unix_name_ret
);
3139 for (prefix_len
= 0; prefix_len
< pos
; prefix_len
++)
3140 prefix
[prefix_len
] = tolowerW(name
[prefix_len
]);
3143 name_len
-= prefix_len
;
3145 /* check for invalid characters (all chars except 0 are valid for unix) */
3146 is_unix
= (prefix_len
== 4 && !memcmp( prefix
, unixW
, sizeof(unixW
) ));
3149 for (p
= name
; p
< name
+ name_len
; p
++)
3150 if (!*p
) return STATUS_OBJECT_NAME_INVALID
;
3155 for (p
= name
; p
< name
+ name_len
; p
++)
3156 if (*p
< 32 || strchrW( invalid_charsW
, *p
)) return STATUS_OBJECT_NAME_INVALID
;
3159 unix_len
= ntdll_wcstoumbs( 0, prefix
, prefix_len
, NULL
, 0, NULL
, NULL
);
3160 unix_len
+= ntdll_wcstoumbs( 0, name
, name_len
, NULL
, 0, NULL
, NULL
);
3161 unix_len
+= MAX_DIR_ENTRY_LEN
+ 3;
3162 unix_len
+= strlen(config_dir
) + sizeof("/dosdevices/");
3163 if (!(unix_name
= RtlAllocateHeap( GetProcessHeap(), 0, unix_len
)))
3164 return STATUS_NO_MEMORY
;
3165 strcpy( unix_name
, config_dir
);
3166 strcat( unix_name
, "/dosdevices/" );
3167 pos
= strlen(unix_name
);
3169 ret
= ntdll_wcstoumbs( 0, prefix
, prefix_len
, unix_name
+ pos
, unix_len
- pos
- 1,
3170 NULL
, &used_default
);
3171 if (!ret
|| used_default
)
3173 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
3174 return STATUS_OBJECT_NAME_INVALID
;
3178 /* check if prefix exists (except for DOS drives to avoid extra stat calls) */
3180 if (prefix_len
!= 2 || prefix
[1] != ':')
3183 if (lstat( unix_name
, &st
) == -1 && errno
== ENOENT
)
3187 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
3188 return STATUS_BAD_DEVICE_TYPE
;
3190 pos
= 0; /* fall back to unix root */
3194 status
= lookup_unix_name( name
, name_len
, &unix_name
, unix_len
, pos
, disposition
, check_case
);
3195 if (status
== STATUS_SUCCESS
|| status
== STATUS_NO_SUCH_FILE
)
3197 TRACE( "%s -> %s\n", debugstr_us(nameW
), debugstr_a(unix_name
) );
3198 unix_name_ret
->Buffer
= unix_name
;
3199 unix_name_ret
->Length
= strlen(unix_name
);
3200 unix_name_ret
->MaximumLength
= unix_len
;
3204 TRACE( "%s not found in %s\n", debugstr_w(name
), unix_name
);
3205 RtlFreeHeap( GetProcessHeap(), 0, unix_name
);
3211 /******************************************************************
3212 * RtlWow64EnableFsRedirection (NTDLL.@)
3214 NTSTATUS WINAPI
RtlWow64EnableFsRedirection( BOOLEAN enable
)
3216 if (!is_wow64
) return STATUS_NOT_IMPLEMENTED
;
3217 ntdll_get_thread_data()->wow64_redir
= enable
;
3218 return STATUS_SUCCESS
;
3222 /******************************************************************
3223 * RtlWow64EnableFsRedirectionEx (NTDLL.@)
3225 NTSTATUS WINAPI
RtlWow64EnableFsRedirectionEx( ULONG disable
, ULONG
*old_value
)
3227 if (!is_wow64
) return STATUS_NOT_IMPLEMENTED
;
3228 if (((ULONG_PTR
)old_value
>> 16) == 0) return STATUS_ACCESS_VIOLATION
;
3230 *old_value
= !ntdll_get_thread_data()->wow64_redir
;
3231 ntdll_get_thread_data()->wow64_redir
= !disable
;
3232 return STATUS_SUCCESS
;
3236 /******************************************************************
3237 * RtlDoesFileExists_U (NTDLL.@)
3239 BOOLEAN WINAPI
RtlDoesFileExists_U(LPCWSTR file_name
)
3241 UNICODE_STRING nt_name
;
3242 FILE_BASIC_INFORMATION basic_info
;
3243 OBJECT_ATTRIBUTES attr
;
3246 if (!RtlDosPathNameToNtPathName_U( file_name
, &nt_name
, NULL
, NULL
)) return FALSE
;
3248 attr
.Length
= sizeof(attr
);
3249 attr
.RootDirectory
= 0;
3250 attr
.ObjectName
= &nt_name
;
3251 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
3252 attr
.SecurityDescriptor
= NULL
;
3253 attr
.SecurityQualityOfService
= NULL
;
3255 ret
= NtQueryAttributesFile(&attr
, &basic_info
) == STATUS_SUCCESS
;
3257 RtlFreeUnicodeString( &nt_name
);
3262 /***********************************************************************
3263 * DIR_unmount_device
3265 * Unmount the specified device.
3267 NTSTATUS
DIR_unmount_device( HANDLE handle
)
3270 int unix_fd
, needs_close
;
3272 if (!(status
= server_get_unix_fd( handle
, 0, &unix_fd
, &needs_close
, NULL
, NULL
)))
3275 char *mount_point
= NULL
;
3277 if (fstat( unix_fd
, &st
) == -1 || !is_valid_mounted_device( &st
))
3278 status
= STATUS_INVALID_PARAMETER
;
3281 if ((mount_point
= get_device_mount_point( st
.st_rdev
)))
3284 static const char umount
[] = "diskutil unmount >/dev/null 2>&1 ";
3286 static const char umount
[] = "umount >/dev/null 2>&1 ";
3288 char *cmd
= RtlAllocateHeap( GetProcessHeap(), 0, strlen(mount_point
)+sizeof(umount
));
3291 strcpy( cmd
, umount
);
3292 strcat( cmd
, mount_point
);
3294 RtlFreeHeap( GetProcessHeap(), 0, cmd
);
3296 /* umount will fail to release the loop device since we still have
3297 a handle to it, so we release it here */
3298 if (major(st
.st_rdev
) == LOOP_MAJOR
) ioctl( unix_fd
, 0x4c01 /*LOOP_CLR_FD*/, 0 );
3301 RtlFreeHeap( GetProcessHeap(), 0, mount_point
);
3304 if (needs_close
) close( unix_fd
);
3310 /******************************************************************************
3313 * Retrieve the Unix name of the current directory; helper for wine_unix_to_nt_file_name.
3314 * Returned value must be freed by caller.
3316 NTSTATUS
DIR_get_unix_cwd( char **cwd
)
3318 int old_cwd
, unix_fd
, needs_close
;
3323 RtlAcquirePebLock();
3325 if (NtCurrentTeb()->Tib
.SubSystemTib
) /* FIXME: hack */
3326 curdir
= &((WIN16_SUBSYSTEM_TIB
*)NtCurrentTeb()->Tib
.SubSystemTib
)->curdir
;
3328 curdir
= &NtCurrentTeb()->Peb
->ProcessParameters
->CurrentDirectory
;
3330 if (!(handle
= curdir
->Handle
))
3332 UNICODE_STRING dirW
;
3333 OBJECT_ATTRIBUTES attr
;
3336 if (!RtlDosPathNameToNtPathName_U( curdir
->DosPath
.Buffer
, &dirW
, NULL
, NULL
))
3338 status
= STATUS_OBJECT_NAME_INVALID
;
3341 attr
.Length
= sizeof(attr
);
3342 attr
.RootDirectory
= 0;
3343 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
3344 attr
.ObjectName
= &dirW
;
3345 attr
.SecurityDescriptor
= NULL
;
3346 attr
.SecurityQualityOfService
= NULL
;
3348 status
= NtOpenFile( &handle
, 0, &attr
, &io
, 0,
3349 FILE_DIRECTORY_FILE
| FILE_SYNCHRONOUS_IO_NONALERT
);
3350 RtlFreeUnicodeString( &dirW
);
3351 if (status
!= STATUS_SUCCESS
) goto done
;
3354 if ((status
= server_get_unix_fd( handle
, 0, &unix_fd
, &needs_close
, NULL
, NULL
)) == STATUS_SUCCESS
)
3356 RtlEnterCriticalSection( &dir_section
);
3358 if ((old_cwd
= open(".", O_RDONLY
)) != -1 && fchdir( unix_fd
) != -1)
3360 unsigned int size
= 512;
3364 if (!(*cwd
= RtlAllocateHeap( GetProcessHeap(), 0, size
)))
3366 status
= STATUS_NO_MEMORY
;
3369 if (getcwd( *cwd
, size
)) break;
3370 RtlFreeHeap( GetProcessHeap(), 0, *cwd
);
3371 if (errno
!= ERANGE
)
3373 status
= STATUS_OBJECT_PATH_INVALID
;
3378 if (fchdir( old_cwd
) == -1) chdir( "/" );
3380 else status
= FILE_GetNtStatus();
3382 RtlLeaveCriticalSection( &dir_section
);
3383 if (old_cwd
!= -1) close( old_cwd
);
3384 if (needs_close
) close( unix_fd
);
3386 if (!curdir
->Handle
) NtClose( handle
);
3389 RtlReleasePebLock();