2 * NTDLL directory functions
4 * Copyright 1993 Erik Bos
5 * Copyright 2003 Eric Pouech
6 * Copyright 1996, 2004 Alexandre Julliard
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #include "wine/port.h"
27 #include <sys/types.h>
41 #ifdef HAVE_SYS_STAT_H
42 # include <sys/stat.h>
44 #ifdef HAVE_SYS_SYSCALL_H
45 # include <sys/syscall.h>
47 #ifdef HAVE_SYS_ATTR_H
50 #ifdef HAVE_SYS_IOCTL_H
51 #include <sys/ioctl.h>
53 #ifdef HAVE_LINUX_IOCTL_H
54 #include <linux/ioctl.h>
56 #ifdef HAVE_LINUX_MAJOR_H
57 # include <linux/major.h>
59 #ifdef HAVE_SYS_PARAM_H
60 #include <sys/param.h>
62 #ifdef HAVE_SYS_MOUNT_H
63 #include <sys/mount.h>
65 #ifdef HAVE_SYS_STATFS_H
66 #include <sys/statfs.h>
73 #define NONAMELESSUNION
74 #define NONAMELESSSTRUCT
76 #define WIN32_NO_STATUS
80 #include "ntdll_misc.h"
81 #include "wine/unicode.h"
82 #include "wine/server.h"
83 #include "wine/list.h"
84 #include "wine/library.h"
85 #include "wine/debug.h"
87 WINE_DEFAULT_DEBUG_CHANNEL(file);
90 #undef VFAT_IOCTL_READDIR_BOTH
95 /* We want the real kernel dirent structure, not the libc one */
100 unsigned short d_reclen;
104 /* Define the VFAT ioctl to get both short and long file names */
105 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, KERNEL_DIRENT [2] )
108 # define O_DIRECTORY 0200000 /* must be directory */
111 #ifdef SYS_getdents64
116 unsigned short d_reclen;
117 unsigned char d_type;
121 static inline int getdents64( int fd, char *de, unsigned int size )
123 return syscall( SYS_getdents64, fd, de, size );
130 #define IS_OPTION_TRUE(ch) ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
131 #define IS_SEPARATOR(ch) ((ch) == '\\' || (ch) == '/')
133 #define INVALID_NT_CHARS '*','?','<','>','|','"'
134 #define INVALID_DOS_CHARS INVALID_NT_CHARS,'+','=',',',';','[',']',' ','\345'
136 #define MAX_DIR_ENTRY_LEN 255 /* max length of a directory entry in chars */
138 #define MAX_IGNORED_FILES 4
146 static struct file_identity ignored_files[MAX_IGNORED_FILES];
147 static int ignored_files_count;
149 union file_directory_info
152 FILE_DIRECTORY_INFORMATION dir;
153 FILE_BOTH_DIRECTORY_INFORMATION both;
154 FILE_FULL_DIRECTORY_INFORMATION full;
155 FILE_ID_BOTH_DIRECTORY_INFORMATION id_both;
156 FILE_ID_FULL_DIRECTORY_INFORMATION id_full;
159 static int show_dot_files = -1;
161 /* at some point we may want to allow Winelib apps to set this */
162 static const int is_case_sensitive = FALSE;
164 UNICODE_STRING windows_dir = { 0, 0, NULL }; /* windows directory */
165 UNICODE_STRING system_dir = { 0, 0, NULL }; /* system directory */
167 static struct file_identity curdir;
168 static struct file_identity windir;
170 static RTL_CRITICAL_SECTION dir_section;
171 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
174 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
175 0, 0, { (DWORD_PTR)(__FILE__ ": dir_section") }
177 static RTL_CRITICAL_SECTION dir_section = { &critsect_debug, -1, 0, 0, 0, 0 };
180 /* check if a given Unicode char is OK in a DOS short name */
181 static inline BOOL is_invalid_dos_char( WCHAR ch )
183 static const WCHAR invalid_chars[] = { INVALID_DOS_CHARS,'~','.',0 };
184 if (ch > 0x7f) return TRUE;
185 return strchrW( invalid_chars, ch ) != NULL;
188 /* check if the device can be a mounted volume */
189 static inline int is_valid_mounted_device( const struct stat *st )
191 #if defined(linux) || defined(__sun__)
192 return S_ISBLK( st->st_mode );
194 /* disks are char devices on *BSD */
195 return S_ISCHR( st->st_mode );
199 static inline void ignore_file( const char *name )
202 assert( ignored_files_count < MAX_IGNORED_FILES );
203 if (!stat( name, &st ))
205 ignored_files[ignored_files_count].dev = st.st_dev;
206 ignored_files[ignored_files_count].ino = st.st_ino;
207 ignored_files_count++;
211 static inline BOOL is_same_file( const struct file_identity *file, const struct stat *st )
213 return st->st_dev == file->dev && st->st_ino == file->ino;
216 static inline BOOL is_ignored_file( const struct stat *st )
220 for (i = 0; i < ignored_files_count; i++)
221 if (is_same_file( &ignored_files[i], st )) return TRUE;
225 static inline unsigned int dir_info_size( FILE_INFORMATION_CLASS class, unsigned int len )
229 case FileDirectoryInformation:
230 return (FIELD_OFFSET( FILE_DIRECTORY_INFORMATION, FileName[len] ) + 3) & ~3;
231 case FileBothDirectoryInformation:
232 return (FIELD_OFFSET( FILE_BOTH_DIRECTORY_INFORMATION, FileName[len] ) + 3) & ~3;
233 case FileFullDirectoryInformation:
234 return (FIELD_OFFSET( FILE_FULL_DIRECTORY_INFORMATION, FileName[len] ) + 3) & ~3;
235 case FileIdBothDirectoryInformation:
236 return (FIELD_OFFSET( FILE_ID_BOTH_DIRECTORY_INFORMATION, FileName[len] ) + 3) & ~3;
237 case FileIdFullDirectoryInformation:
238 return (FIELD_OFFSET( FILE_ID_FULL_DIRECTORY_INFORMATION, FileName[len] ) + 3) & ~3;
245 static inline unsigned int max_dir_info_size( FILE_INFORMATION_CLASS class )
247 return dir_info_size( class, MAX_DIR_ENTRY_LEN );
251 /* support for a directory queue for filesystem searches */
259 static struct list dir_queue = LIST_INIT( dir_queue );
261 static NTSTATUS add_dir_to_queue( const char *name )
263 int len = strlen( name ) + 1;
264 struct dir_name *dir = RtlAllocateHeap( GetProcessHeap(), 0,
265 FIELD_OFFSET( struct dir_name, name[len] ));
266 if (!dir) return STATUS_NO_MEMORY;
267 strcpy( dir->name, name );
268 list_add_tail( &dir_queue, &dir->entry );
269 return STATUS_SUCCESS;
272 static NTSTATUS next_dir_in_queue( char *name )
274 struct list *head = list_head( &dir_queue );
277 struct dir_name *dir = LIST_ENTRY( head, struct dir_name, entry );
278 strcpy( name, dir->name );
279 list_remove( &dir->entry );
280 RtlFreeHeap( GetProcessHeap(), 0, dir );
281 return STATUS_SUCCESS;
283 return STATUS_OBJECT_NAME_NOT_FOUND;
286 static void flush_dir_queue(void)
290 while ((head = list_head( &dir_queue )))
292 struct dir_name *dir = LIST_ENTRY( head, struct dir_name, entry );
293 list_remove( &dir->entry );
294 RtlFreeHeap( GetProcessHeap(), 0, dir );
299 /***********************************************************************
300 * get_default_com_device
302 * Return the default device to use for serial ports.
304 static char *get_default_com_device( int num )
308 if (!num || num > 9) return ret;
310 ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/ttyS0") );
313 strcpy( ret, "/dev/ttyS0" );
314 ret[strlen(ret) - 1] = '0' + num - 1;
316 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
317 ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/cuad0") );
320 strcpy( ret, "/dev/cuad0" );
321 ret[strlen(ret) - 1] = '0' + num - 1;
324 FIXME( "no known default for device com%d\n", num );
330 /***********************************************************************
331 * get_default_lpt_device
333 * Return the default device to use for parallel ports.
335 static char *get_default_lpt_device( int num )
339 if (!num || num > 9) return ret;
341 ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/lp0") );
344 strcpy( ret, "/dev/lp0" );
345 ret[strlen(ret) - 1] = '0' + num - 1;
348 FIXME( "no known default for device lpt%d\n", num );
354 /***********************************************************************
355 * DIR_get_drives_info
357 * Retrieve device/inode number for all the drives. Helper for find_drive_root.
359 unsigned int DIR_get_drives_info( struct drive_info info[MAX_DOS_DRIVES] )
361 static struct drive_info cache[MAX_DOS_DRIVES];
362 static time_t last_update;
363 static unsigned int nb_drives;
365 time_t now = time(NULL);
367 RtlEnterCriticalSection( &dir_section );
368 if (now != last_update)
370 const char *config_dir = wine_get_config_dir();
375 if ((buffer = RtlAllocateHeap( GetProcessHeap(), 0,
376 strlen(config_dir) + sizeof("/dosdevices/a:") )))
378 strcpy( buffer, config_dir );
379 strcat( buffer, "/dosdevices/a:" );
380 p = buffer + strlen(buffer) - 2;
382 for (i = nb_drives = 0; i < MAX_DOS_DRIVES; i++)
385 if (!stat( buffer, &st ))
387 cache[i].dev = st.st_dev;
388 cache[i].ino = st.st_ino;
397 RtlFreeHeap( GetProcessHeap(), 0, buffer );
401 memcpy( info, cache, sizeof(cache) );
403 RtlLeaveCriticalSection( &dir_section );
408 /***********************************************************************
409 * parse_mount_entries
411 * Parse mount entries looking for a given device. Helper for get_default_drive_device.
415 #include <sys/vfstab.h>
416 static char *parse_vfstab_entries( FILE *f, dev_t dev, ino_t ino)
422 while (! getvfsent( f, &entry ))
424 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
425 if (!strcmp( entry.vfs_fstype, "nfs" ) ||
426 !strcmp( entry.vfs_fstype, "smbfs" ) ||
427 !strcmp( entry.vfs_fstype, "ncpfs" )) continue;
429 if (stat( entry.vfs_mountp, &st ) == -1) continue;
430 if (st.st_dev != dev || st.st_ino != ino) continue;
431 if (!strcmp( entry.vfs_fstype, "fd" ))
433 if ((device = strstr( entry.vfs_mntopts, "dev=" )))
435 char *p = strchr( device + 4, ',' );
441 return entry.vfs_special;
448 static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino )
450 struct mntent *entry;
454 while ((entry = getmntent( f )))
456 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
457 if (!strcmp( entry->mnt_type, "nfs" ) ||
458 !strcmp( entry->mnt_type, "smbfs" ) ||
459 !strcmp( entry->mnt_type, "ncpfs" )) continue;
461 if (stat( entry->mnt_dir, &st ) == -1) continue;
462 if (st.st_dev != dev || st.st_ino != ino) continue;
463 if (!strcmp( entry->mnt_type, "supermount" ))
465 if ((device = strstr( entry->mnt_opts, "dev=" )))
467 char *p = strchr( device + 4, ',' );
472 else if (!stat( entry->mnt_fsname, &st ) && S_ISREG(st.st_mode))
474 /* if device is a regular file check for a loop mount */
475 if ((device = strstr( entry->mnt_opts, "loop=" )))
477 char *p = strchr( device + 5, ',' );
483 return entry->mnt_fsname;
489 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
491 static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino )
496 while ((entry = getfsent()))
498 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
499 if (!strcmp( entry->fs_vfstype, "nfs" ) ||
500 !strcmp( entry->fs_vfstype, "smbfs" ) ||
501 !strcmp( entry->fs_vfstype, "ncpfs" )) continue;
503 if (stat( entry->fs_file, &st ) == -1) continue;
504 if (st.st_dev != dev || st.st_ino != ino) continue;
505 return entry->fs_spec;
512 #include <sys/mnttab.h>
513 static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino )
520 while (( ! getmntent( f, &entry) ))
522 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
523 if (!strcmp( entry.mnt_fstype, "nfs" ) ||
524 !strcmp( entry.mnt_fstype, "smbfs" ) ||
525 !strcmp( entry.mnt_fstype, "ncpfs" )) continue;
527 if (stat( entry.mnt_mountp, &st ) == -1) continue;
528 if (st.st_dev != dev || st.st_ino != ino) continue;
529 if (!strcmp( entry.mnt_fstype, "fd" ))
531 if ((device = strstr( entry.mnt_mntopts, "dev=" )))
533 char *p = strchr( device + 4, ',' );
539 return entry.mnt_special;
545 /***********************************************************************
546 * get_default_drive_device
548 * Return the default device to use for a given drive mount point.
550 static char *get_default_drive_device( const char *root )
560 /* try to open it first to force it to get mounted */
561 if ((fd = open( root, O_RDONLY | O_DIRECTORY )) != -1)
563 res = fstat( fd, &st );
566 /* now try normal stat just in case */
567 if (res == -1) res = stat( root, &st );
568 if (res == -1) return NULL;
570 RtlEnterCriticalSection( &dir_section );
572 if ((f = fopen( "/etc/mtab", "r" )))
574 device = parse_mount_entries( f, st.st_dev, st.st_ino );
577 /* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
578 if (!device && (f = fopen( "/etc/fstab", "r" )))
580 device = parse_mount_entries( f, st.st_dev, st.st_ino );
585 ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 );
586 if (ret) strcpy( ret, device );
588 RtlLeaveCriticalSection( &dir_section );
590 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__ )
595 /* try to open it first to force it to get mounted */
596 if ((fd = open( root, O_RDONLY )) != -1)
598 res = fstat( fd, &st );
601 /* now try normal stat just in case */
602 if (res == -1) res = stat( root, &st );
603 if (res == -1) return NULL;
605 RtlEnterCriticalSection( &dir_section );
607 /* The FreeBSD parse_mount_entries doesn't require a file argument, so just
608 * pass NULL. Leave the argument in for symmetry.
610 device = parse_mount_entries( NULL, st.st_dev, st.st_ino );
613 ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 );
614 if (ret) strcpy( ret, device );
616 RtlLeaveCriticalSection( &dir_section );
624 /* try to open it first to force it to get mounted */
625 if ((fd = open( root, O_RDONLY )) != -1)
627 res = fstat( fd, &st );
630 /* now try normal stat just in case */
631 if (res == -1) res = stat( root, &st );
632 if (res == -1) return NULL;
634 RtlEnterCriticalSection( &dir_section );
636 if ((f = fopen( "/etc/mnttab", "r" )))
638 device = parse_mount_entries( f, st.st_dev, st.st_ino);
641 /* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
642 if (!device && (f = fopen( "/etc/vfstab", "r" )))
644 device = parse_vfstab_entries( f, st.st_dev, st.st_ino );
649 ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 );
650 if (ret) strcpy( ret, device );
652 RtlLeaveCriticalSection( &dir_section );
654 #elif defined(__APPLE__)
655 struct statfs *mntStat;
661 static const char path_bsd_device[] = "/dev/disk";
664 res = stat( root, &st );
665 if (res == -1) return NULL;
670 RtlEnterCriticalSection( &dir_section );
672 mntSize = getmntinfo(&mntStat, MNT_NOWAIT);
674 for (i = 0; i < mntSize && !ret; i++)
676 if (stat(mntStat[i].f_mntonname, &st ) == -1) continue;
677 if (st.st_dev != dev || st.st_ino != ino) continue;
679 /* FIXME add support for mounted network drive */
680 if ( strncmp(mntStat[i].f_mntfromname, path_bsd_device, strlen(path_bsd_device)) == 0)
682 /* set return value to the corresponding raw BSD node */
683 ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(mntStat[i].f_mntfromname) + 2 /* 2 : r and \0 */ );
686 strcpy(ret, "/dev/r");
687 strcat(ret, mntStat[i].f_mntfromname+sizeof("/dev/")-1);
691 RtlLeaveCriticalSection( &dir_section );
694 if (!warned++) FIXME( "auto detection of DOS devices not supported on this platform\n" );
700 /***********************************************************************
701 * get_device_mount_point
703 * Return the current mount point for a device.
705 static char *get_device_mount_point( dev_t dev )
712 RtlEnterCriticalSection( &dir_section );
714 if ((f = fopen( "/etc/mtab", "r" )))
716 struct mntent *entry;
720 while ((entry = getmntent( f )))
722 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
723 if (!strcmp( entry->mnt_type, "nfs" ) ||
724 !strcmp( entry->mnt_type, "smbfs" ) ||
725 !strcmp( entry->mnt_type, "ncpfs" )) continue;
727 if (!strcmp( entry->mnt_type, "supermount" ))
729 if ((device = strstr( entry->mnt_opts, "dev=" )))
732 if ((p = strchr( device, ',' ))) *p = 0;
735 else if (!stat( entry->mnt_fsname, &st ) && S_ISREG(st.st_mode))
737 /* if device is a regular file check for a loop mount */
738 if ((device = strstr( entry->mnt_opts, "loop=" )))
741 if ((p = strchr( device, ',' ))) *p = 0;
744 else device = entry->mnt_fsname;
746 if (device && !stat( device, &st ) && S_ISBLK(st.st_mode) && st.st_rdev == dev)
748 ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(entry->mnt_dir) + 1 );
749 if (ret) strcpy( ret, entry->mnt_dir );
755 RtlLeaveCriticalSection( &dir_section );
756 #elif defined(__APPLE__)
757 struct statfs *entry;
761 RtlEnterCriticalSection( &dir_section );
763 size = getmntinfo( &entry, MNT_NOWAIT );
764 for (i = 0; i < size; i++)
766 if (stat( entry[i].f_mntfromname, &st ) == -1) continue;
767 if (S_ISBLK(st.st_mode) && st.st_rdev == dev)
769 ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(entry[i].f_mntfromname) + 1 );
770 if (ret) strcpy( ret, entry[i].f_mntfromname );
774 RtlLeaveCriticalSection( &dir_section );
777 if (!warned++) FIXME( "unmounting devices not supported on this platform\n" );
783 #if defined(HAVE_GETATTRLIST) && defined(ATTR_VOL_CAPABILITIES) && \
784 defined(VOL_CAPABILITIES_FORMAT) && defined(VOL_CAP_FMT_CASE_SENSITIVE)
797 BOOLEAN case_sensitive;
803 vol_capabilities_attr_t caps;
806 /***********************************************************************
809 * Checks if the specified file system is in the cache.
811 static struct fs_cache *look_up_fs_cache( dev_t dev )
814 for (i = 0; i < sizeof(fs_cache)/sizeof(fs_cache[0]); i++)
815 if (fs_cache[i].dev == dev)
820 /***********************************************************************
823 * Adds the specified file system to the cache.
825 static void add_fs_cache( dev_t dev, fsid_t fsid, BOOLEAN case_sensitive )
828 struct fs_cache *entry = look_up_fs_cache( dev );
832 /* Update the cache */
834 entry->case_sensitive = case_sensitive;
838 /* Add a new entry */
839 for (i = 0; i < sizeof(fs_cache)/sizeof(fs_cache[0]); i++)
840 if (fs_cache[i].dev == 0)
842 /* This entry is empty, use it */
843 fs_cache[i].dev = dev;
844 fs_cache[i].fsid = fsid;
845 fs_cache[i].case_sensitive = case_sensitive;
849 /* Cache is out of space, warn */
851 WARN( "FS cache is out of space, expect performance problems\n" );
854 /***********************************************************************
855 * get_dir_case_sensitivity_attr
857 * Checks if the volume containing the specified directory is case
858 * sensitive or not. Uses getattrlist(2).
860 static int get_dir_case_sensitivity_attr( const char *dir )
862 char *mntpoint = NULL;
863 struct attrlist attr;
864 struct vol_caps caps;
865 struct get_fsid get_fsid;
866 struct fs_cache *entry;
868 /* First get the FS ID of the volume */
869 attr.bitmapcount = ATTR_BIT_MAP_COUNT;
871 attr.commonattr = ATTR_CMN_DEVID|ATTR_CMN_FSID;
872 attr.volattr = attr.dirattr = attr.fileattr = attr.forkattr = 0;
874 if (getattrlist( dir, &attr, &get_fsid, sizeof(get_fsid), 0 ) != 0 ||
875 get_fsid.size != sizeof(get_fsid))
877 /* Try to look it up in the cache */
878 entry = look_up_fs_cache( get_fsid.dev );
879 if (entry && !memcmp( &entry->fsid, &get_fsid.fsid, sizeof(fsid_t) ))
880 /* Cache lookup succeeded */
881 return entry->case_sensitive;
882 /* Cache is stale at this point, we have to update it */
884 mntpoint = get_device_mount_point( get_fsid.dev );
885 /* Now look up the case-sensitivity */
887 attr.volattr = ATTR_VOL_INFO|ATTR_VOL_CAPABILITIES;
888 if (getattrlist( mntpoint, &attr, &caps, sizeof(caps), 0 ) < 0)
890 RtlFreeHeap( GetProcessHeap(), 0, mntpoint );
891 add_fs_cache( get_fsid.dev, get_fsid.fsid, TRUE );
894 RtlFreeHeap( GetProcessHeap(), 0, mntpoint );
895 if (caps.size == sizeof(caps) &&
896 (caps.caps.valid[VOL_CAPABILITIES_FORMAT] &
897 (VOL_CAP_FMT_CASE_SENSITIVE | VOL_CAP_FMT_CASE_PRESERVING)) ==
898 (VOL_CAP_FMT_CASE_SENSITIVE | VOL_CAP_FMT_CASE_PRESERVING))
902 if ((caps.caps.capabilities[VOL_CAPABILITIES_FORMAT] &
903 VOL_CAP_FMT_CASE_SENSITIVE) != VOL_CAP_FMT_CASE_SENSITIVE)
907 /* Update the cache */
908 add_fs_cache( get_fsid.dev, get_fsid.fsid, ret );
915 /***********************************************************************
916 * get_dir_case_sensitivity_stat
918 * Checks if the volume containing the specified directory is case
919 * sensitive or not. Uses statfs(2) or statvfs(2).
921 static BOOLEAN get_dir_case_sensitivity_stat( const char *dir )
923 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
926 if (statfs( dir, &stfs ) == -1) return FALSE;
927 /* Assume these file systems are always case insensitive on Mac OS.
928 * For FreeBSD, only assume CIOPFS is case insensitive (AFAIK, Mac OS
929 * is the only UNIX that supports case-insensitive lookup).
931 if (!strcmp( stfs.f_fstypename, "fusefs" ) &&
932 !strncmp( stfs.f_mntfromname, "ciopfs", 5 ))
935 if (!strcmp( stfs.f_fstypename, "msdos" ) ||
936 !strcmp( stfs.f_fstypename, "cd9660" ) ||
937 !strcmp( stfs.f_fstypename, "udf" ) ||
938 !strcmp( stfs.f_fstypename, "ntfs" ) ||
939 !strcmp( stfs.f_fstypename, "smbfs" ))
941 #ifdef _DARWIN_FEATURE_64_BIT_INODE
942 if (!strcmp( stfs.f_fstypename, "hfs" ) && (stfs.f_fssubtype == 0 ||
943 stfs.f_fssubtype == 1 ||
944 stfs.f_fssubtype == 128))
947 /* The field says "reserved", but a quick look at the kernel source
948 * tells us that this "reserved" field is really the same as the
949 * "fssubtype" field from the inode64 structure (see munge_statfs()
950 * in <xnu-source>/bsd/vfs/vfs_syscalls.c).
952 if (!strcmp( stfs.f_fstypename, "hfs" ) && (stfs.f_reserved1 == 0 ||
953 stfs.f_reserved1 == 1 ||
954 stfs.f_reserved1 == 128))
960 #elif defined(__NetBSD__)
963 if (statvfs( dir, &stfs ) == -1) return FALSE;
964 /* Only assume CIOPFS is case insensitive. */
965 if (strcmp( stfs.f_fstypename, "fusefs" ) ||
966 strncmp( stfs.f_mntfromname, "ciopfs", 5 ))
970 #elif defined(__linux__)
975 /* Only assume CIOPFS is case insensitive. */
976 if (statfs( dir, &stfs ) == -1) return FALSE;
977 if (stfs.f_type != 0x65735546 /* FUSE_SUPER_MAGIC */)
979 /* Normally, we'd have to parse the mtab to find out exactly what
980 * kind of FUSE FS this is. But, someone on wine-devel suggested
981 * a shortcut. We'll stat a special file in the directory. If it's
982 * there, we'll assume it's a CIOPFS, else not.
983 * This will break if somebody puts a file named ".ciopfs" in a non-
986 cifile = RtlAllocateHeap( GetProcessHeap(), 0, strlen( dir )+sizeof("/.ciopfs") );
987 if (!cifile) return TRUE;
988 strcpy( cifile, dir );
989 strcat( cifile, "/.ciopfs" );
990 if (stat( cifile, &st ) == 0)
992 RtlFreeHeap( GetProcessHeap(), 0, cifile );
995 RtlFreeHeap( GetProcessHeap(), 0, cifile );
1003 /***********************************************************************
1004 * get_dir_case_sensitivity
1006 * Checks if the volume containing the specified directory is case
1007 * sensitive or not. Uses statfs(2) or statvfs(2).
1009 static BOOLEAN get_dir_case_sensitivity( const char *dir )
1011 #if defined(HAVE_GETATTRLIST) && defined(ATTR_VOL_CAPABILITIES) && \
1012 defined(VOL_CAPABILITIES_FORMAT) && defined(VOL_CAP_FMT_CASE_SENSITIVE)
1013 int case_sensitive = get_dir_case_sensitivity_attr( dir );
1014 if (case_sensitive != -1) return case_sensitive;
1016 return get_dir_case_sensitivity_stat( dir );
1020 /***********************************************************************
1023 * Initialize the show_dot_files options.
1025 static void init_options(void)
1027 static const WCHAR WineW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e',0};
1028 static const WCHAR ShowDotFilesW[] = {'S','h','o','w','D','o','t','F','i','l','e','s',0};
1032 OBJECT_ATTRIBUTES attr;
1033 UNICODE_STRING nameW;
1037 RtlOpenCurrentUser( KEY_ALL_ACCESS, &root );
1038 attr.Length = sizeof(attr);
1039 attr.RootDirectory = root;
1040 attr.ObjectName = &nameW;
1041 attr.Attributes = 0;
1042 attr.SecurityDescriptor = NULL;
1043 attr.SecurityQualityOfService = NULL;
1044 RtlInitUnicodeString( &nameW, WineW );
1046 /* @@ Wine registry key: HKCU\Software\Wine */
1047 if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ))
1049 RtlInitUnicodeString( &nameW, ShowDotFilesW );
1050 if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy ))
1052 WCHAR *str = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
1053 show_dot_files = IS_OPTION_TRUE( str[0] );
1059 /* a couple of directories that we don't want to return in directory searches */
1060 ignore_file( wine_get_config_dir() );
1061 ignore_file( "/dev" );
1062 ignore_file( "/proc" );
1064 ignore_file( "/sys" );
1069 /***********************************************************************
1070 * DIR_is_hidden_file
1072 * Check if the specified file should be hidden based on its name and the show dot files option.
1074 BOOL DIR_is_hidden_file( const UNICODE_STRING *name )
1078 if (show_dot_files == -1) init_options();
1079 if (show_dot_files) return FALSE;
1081 end = p = name->Buffer + name->Length/sizeof(WCHAR);
1082 while (p > name->Buffer && IS_SEPARATOR(p[-1])) p--;
1083 while (p > name->Buffer && !IS_SEPARATOR(p[-1])) p--;
1084 if (p == end || *p != '.') return FALSE;
1085 /* make sure it isn't '.' or '..' */
1086 if (p + 1 == end) return FALSE;
1087 if (p[1] == '.' && p + 2 == end) return FALSE;
1092 /***********************************************************************
1093 * hash_short_file_name
1095 * Transform a Unix file name into a hashed DOS name. If the name is a valid
1096 * DOS name, it is converted to upper-case; otherwise it is replaced by a
1097 * hashed version that fits in 8.3 format.
1098 * 'buffer' must be at least 12 characters long.
1099 * Returns length of short name in bytes; short name is NOT null-terminated.
1101 static ULONG hash_short_file_name( const UNICODE_STRING *name, LPWSTR buffer )
1103 static const char hash_chars[32] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345";
1105 LPCWSTR p, ext, end = name->Buffer + name->Length / sizeof(WCHAR);
1107 unsigned short hash;
1110 /* Compute the hash code of the file name */
1111 /* If you know something about hash functions, feel free to */
1112 /* insert a better algorithm here... */
1113 if (!is_case_sensitive)
1115 for (p = name->Buffer, hash = 0xbeef; p < end - 1; p++)
1116 hash = (hash<<3) ^ (hash>>5) ^ tolowerW(*p) ^ (tolowerW(p[1]) << 8);
1117 hash = (hash<<3) ^ (hash>>5) ^ tolowerW(*p); /* Last character */
1121 for (p = name->Buffer, hash = 0xbeef; p < end - 1; p++)
1122 hash = (hash << 3) ^ (hash >> 5) ^ *p ^ (p[1] << 8);
1123 hash = (hash << 3) ^ (hash >> 5) ^ *p; /* Last character */
1126 /* Find last dot for start of the extension */
1127 for (p = name->Buffer + 1, ext = NULL; p < end - 1; p++) if (*p == '.') ext = p;
1129 /* Copy first 4 chars, replacing invalid chars with '_' */
1130 for (i = 4, p = name->Buffer, dst = buffer; i > 0; i--, p++)
1132 if (p == end || p == ext) break;
1133 *dst++ = is_invalid_dos_char(*p) ? '_' : toupperW(*p);
1135 /* Pad to 5 chars with '~' */
1136 while (i-- >= 0) *dst++ = '~';
1138 /* Insert hash code converted to 3 ASCII chars */
1139 *dst++ = hash_chars[(hash >> 10) & 0x1f];
1140 *dst++ = hash_chars[(hash >> 5) & 0x1f];
1141 *dst++ = hash_chars[hash & 0x1f];
1143 /* Copy the first 3 chars of the extension (if any) */
1147 for (i = 3, ext++; (i > 0) && ext < end; i--, ext++)
1148 *dst++ = is_invalid_dos_char(*ext) ? '_' : toupperW(*ext);
1150 return dst - buffer;
1154 /***********************************************************************
1157 * Check a long file name against a mask.
1159 * Tests (done in W95 DOS shell - case insensitive):
1160 * *.txt test1.test.txt *
1162 * *.t??????.t* test1.ta.tornado.txt *
1163 * *tornado* test1.ta.tornado.txt *
1164 * t*t test1.ta.tornado.txt *
1166 * ?est??? test1.txt -
1167 * *test1.txt* test1.txt *
1168 * h?l?o*t.dat hellothisisatest.dat *
1170 static BOOLEAN match_filename( const UNICODE_STRING *name_str, const UNICODE_STRING *mask_str )
1173 const WCHAR *name = name_str->Buffer;
1174 const WCHAR *mask = mask_str->Buffer;
1175 const WCHAR *name_end = name + name_str->Length / sizeof(WCHAR);
1176 const WCHAR *mask_end = mask + mask_str->Length / sizeof(WCHAR);
1177 const WCHAR *lastjoker = NULL;
1178 const WCHAR *next_to_retry = NULL;
1180 TRACE("(%s, %s)\n", debugstr_us(name_str), debugstr_us(mask_str));
1182 while (name < name_end && mask < mask_end)
1188 while (mask < mask_end && *mask == '*') mask++; /* Skip consecutive '*' */
1189 if (mask == mask_end) return TRUE; /* end of mask is all '*', so match */
1192 /* skip to the next match after the joker(s) */
1193 if (is_case_sensitive)
1194 while (name < name_end && (*name != *mask)) name++;
1196 while (name < name_end && (toupperW(*name) != toupperW(*mask))) name++;
1197 next_to_retry = name;
1204 if (is_case_sensitive) mismatch = (*mask != *name);
1205 else mismatch = (toupperW(*mask) != toupperW(*name));
1211 if (mask == mask_end)
1213 if (name == name_end) return TRUE;
1214 if (lastjoker) mask = lastjoker;
1217 else /* mismatch ! */
1219 if (lastjoker) /* we had an '*', so we can try unlimitedly */
1223 /* this scan sequence was a mismatch, so restart
1224 * 1 char after the first char we checked last time */
1226 name = next_to_retry;
1228 else return FALSE; /* bad luck */
1233 while (mask < mask_end && ((*mask == '.') || (*mask == '*')))
1234 mask++; /* Ignore trailing '.' or '*' in mask */
1235 return (name == name_end && mask == mask_end);
1239 /***********************************************************************
1242 * helper for NtQueryDirectoryFile
1244 static union file_directory_info *append_entry( void *info_ptr, IO_STATUS_BLOCK *io, ULONG max_length,
1245 const char *long_name, const char *short_name,
1246 const UNICODE_STRING *mask, FILE_INFORMATION_CLASS class )
1248 union file_directory_info *info;
1249 int i, long_len, short_len, total_len;
1251 WCHAR long_nameW[MAX_DIR_ENTRY_LEN];
1252 WCHAR short_nameW[12];
1255 ULONG attributes = 0;
1257 io->u.Status = STATUS_SUCCESS;
1258 long_len = ntdll_umbstowcs( 0, long_name, strlen(long_name), long_nameW, MAX_DIR_ENTRY_LEN );
1259 if (long_len == -1) return NULL;
1261 str.Buffer = long_nameW;
1262 str.Length = long_len * sizeof(WCHAR);
1263 str.MaximumLength = sizeof(long_nameW);
1267 short_len = ntdll_umbstowcs( 0, short_name, strlen(short_name),
1268 short_nameW, sizeof(short_nameW) / sizeof(WCHAR) );
1269 if (short_len == -1) short_len = sizeof(short_nameW) / sizeof(WCHAR);
1271 else /* generate a short name if necessary */
1276 if (!RtlIsNameLegalDOS8Dot3( &str, NULL, &spaces ) || spaces)
1277 short_len = hash_short_file_name( &str, short_nameW );
1280 TRACE( "long %s short %s mask %s\n",
1281 debugstr_us(&str), debugstr_wn(short_nameW, short_len), debugstr_us(mask) );
1283 if (mask && !match_filename( &str, mask ))
1285 if (!short_len) return NULL; /* no short name to match */
1286 str.Buffer = short_nameW;
1287 str.Length = short_len * sizeof(WCHAR);
1288 str.MaximumLength = sizeof(short_nameW);
1289 if (!match_filename( &str, mask )) return NULL;
1292 if (lstat( long_name, &st ) == -1) return NULL;
1293 if (S_ISLNK( st.st_mode ))
1295 if (stat( long_name, &st ) == -1) return NULL;
1296 if (S_ISDIR( st.st_mode )) attributes |= FILE_ATTRIBUTE_REPARSE_POINT;
1298 if (is_ignored_file( &st ))
1300 TRACE( "ignoring file %s\n", long_name );
1303 if (!show_dot_files && long_name[0] == '.' && long_name[1] && (long_name[1] != '.' || long_name[2]))
1304 attributes |= FILE_ATTRIBUTE_HIDDEN;
1306 total_len = dir_info_size( class, long_len );
1307 if (io->Information + total_len > max_length)
1309 total_len = max_length - io->Information;
1310 io->u.Status = STATUS_BUFFER_OVERFLOW;
1312 info = (union file_directory_info *)((char *)info_ptr + io->Information);
1313 if (st.st_dev != curdir.dev) st.st_ino = 0; /* ignore inode if on a different device */
1314 /* all the structures start with a FileDirectoryInformation layout */
1315 fill_stat_info( &st, info, class );
1316 info->dir.NextEntryOffset = total_len;
1317 info->dir.FileIndex = 0; /* NTFS always has 0 here, so let's not bother with it */
1318 info->dir.FileAttributes |= attributes;
1322 case FileDirectoryInformation:
1323 info->dir.FileNameLength = long_len * sizeof(WCHAR);
1324 filename = info->dir.FileName;
1327 case FileFullDirectoryInformation:
1328 info->full.EaSize = 0; /* FIXME */
1329 info->full.FileNameLength = long_len * sizeof(WCHAR);
1330 filename = info->full.FileName;
1333 case FileIdFullDirectoryInformation:
1334 info->id_full.EaSize = 0; /* FIXME */
1335 info->id_full.FileNameLength = long_len * sizeof(WCHAR);
1336 filename = info->id_full.FileName;
1339 case FileBothDirectoryInformation:
1340 info->both.EaSize = 0; /* FIXME */
1341 info->both.ShortNameLength = short_len * sizeof(WCHAR);
1342 for (i = 0; i < short_len; i++) info->both.ShortName[i] = toupperW(short_nameW[i]);
1343 info->both.FileNameLength = long_len * sizeof(WCHAR);
1344 filename = info->both.FileName;
1347 case FileIdBothDirectoryInformation:
1348 info->id_both.EaSize = 0; /* FIXME */
1349 info->id_both.ShortNameLength = short_len * sizeof(WCHAR);
1350 for (i = 0; i < short_len; i++) info->id_both.ShortName[i] = toupperW(short_nameW[i]);
1351 info->id_both.FileNameLength = long_len * sizeof(WCHAR);
1352 filename = info->id_both.FileName;
1359 memcpy( filename, long_nameW, total_len - ((char *)filename - (char *)info) );
1360 io->Information += total_len;
1365 #ifdef VFAT_IOCTL_READDIR_BOTH
1367 /***********************************************************************
1370 * Wrapper for the VFAT ioctl to work around various kernel bugs.
1371 * dir_section must be held by caller.
1373 static KERNEL_DIRENT *start_vfat_ioctl( int fd )
1375 static KERNEL_DIRENT *de;
1380 const size_t page_size = getpagesize();
1381 SIZE_T size = 2 * sizeof(*de) + page_size;
1384 if (NtAllocateVirtualMemory( GetCurrentProcess(), &addr, 1, &size, MEM_RESERVE, PAGE_READWRITE ))
1386 /* commit only the size needed for the dir entries */
1387 /* this leaves an extra unaccessible page, which should make the kernel */
1388 /* fail with -EFAULT before it stomps all over our memory */
1390 size = 2 * sizeof(*de);
1391 NtAllocateVirtualMemory( GetCurrentProcess(), &addr, 1, &size, MEM_COMMIT, PAGE_READWRITE );
1394 /* set d_reclen to 65535 to work around an AFS kernel bug */
1395 de[0].d_reclen = 65535;
1396 res = ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de );
1399 if (errno != ENOENT) return NULL; /* VFAT ioctl probably not supported */
1400 de[0].d_reclen = 0; /* eof */
1402 else if (!res && de[0].d_reclen == 65535) return NULL; /* AFS bug */
1408 /***********************************************************************
1409 * read_directory_vfat
1411 * Read a directory using the VFAT ioctl; helper for NtQueryDirectoryFile.
1413 static int read_directory_vfat( int fd, IO_STATUS_BLOCK *io, void *buffer, ULONG length,
1414 BOOLEAN single_entry, const UNICODE_STRING *mask,
1415 BOOLEAN restart_scan, FILE_INFORMATION_CLASS class )
1420 union file_directory_info *info, *last_info = NULL;
1422 io->u.Status = STATUS_SUCCESS;
1424 if (restart_scan) lseek( fd, 0, SEEK_SET );
1426 if (length < max_dir_info_size(class)) /* we may have to return a partial entry here */
1428 off_t old_pos = lseek( fd, 0, SEEK_CUR );
1430 if (!(de = start_vfat_ioctl( fd ))) return -1; /* not supported */
1432 while (de[0].d_reclen)
1434 /* make sure names are null-terminated to work around an x86-64 kernel bug */
1435 len = min(de[0].d_reclen, sizeof(de[0].d_name) - 1 );
1436 de[0].d_name[len] = 0;
1437 len = min(de[1].d_reclen, sizeof(de[1].d_name) - 1 );
1438 de[1].d_name[len] = 0;
1440 if (de[1].d_name[0])
1441 info = append_entry( buffer, io, length, de[1].d_name, de[0].d_name, mask, class );
1443 info = append_entry( buffer, io, length, de[0].d_name, NULL, mask, class );
1447 if (io->u.Status == STATUS_BUFFER_OVERFLOW)
1448 lseek( fd, old_pos, SEEK_SET ); /* restore pos to previous entry */
1451 old_pos = lseek( fd, 0, SEEK_CUR );
1452 if (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de ) == -1) break;
1455 else /* we'll only return full entries, no need to worry about overflow */
1457 if (!(de = start_vfat_ioctl( fd ))) return -1; /* not supported */
1459 while (de[0].d_reclen)
1461 /* make sure names are null-terminated to work around an x86-64 kernel bug */
1462 len = min(de[0].d_reclen, sizeof(de[0].d_name) - 1 );
1463 de[0].d_name[len] = 0;
1464 len = min(de[1].d_reclen, sizeof(de[1].d_name) - 1 );
1465 de[1].d_name[len] = 0;
1467 if (de[1].d_name[0])
1468 info = append_entry( buffer, io, length, de[1].d_name, de[0].d_name, mask, class );
1470 info = append_entry( buffer, io, length, de[0].d_name, NULL, mask, class );
1474 if (single_entry) break;
1475 /* check if we still have enough space for the largest possible entry */
1476 if (io->Information + max_dir_info_size(class) > length) break;
1478 if (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de ) == -1) break;
1482 if (last_info) last_info->next = 0;
1483 else io->u.Status = restart_scan ? STATUS_NO_SUCH_FILE : STATUS_NO_MORE_FILES;
1486 #endif /* VFAT_IOCTL_READDIR_BOTH */
1489 /***********************************************************************
1490 * read_directory_getdents
1492 * Read a directory using the Linux getdents64 system call; helper for NtQueryDirectoryFile.
1495 static int read_directory_getdents( int fd, IO_STATUS_BLOCK *io, void *buffer, ULONG length,
1496 BOOLEAN single_entry, const UNICODE_STRING *mask,
1497 BOOLEAN restart_scan, FILE_INFORMATION_CLASS class )
1500 size_t size = length;
1501 int res, fake_dot_dot = 1;
1502 char *data, local_buffer[8192];
1503 KERNEL_DIRENT64 *de;
1504 union file_directory_info *info, *last_info = NULL;
1506 if (size <= sizeof(local_buffer) || !(data = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1508 size = sizeof(local_buffer);
1509 data = local_buffer;
1512 if (restart_scan) lseek( fd, 0, SEEK_SET );
1513 else if (length < max_dir_info_size(class)) /* we may have to return a partial entry here */
1515 old_pos = lseek( fd, 0, SEEK_CUR );
1516 if (old_pos == -1 && errno == ENOENT)
1518 io->u.Status = STATUS_NO_MORE_FILES;
1524 io->u.Status = STATUS_SUCCESS;
1526 res = getdents64( fd, data, size );
1529 if (errno != ENOSYS)
1531 io->u.Status = FILE_GetNtStatus();
1537 de = (KERNEL_DIRENT64 *)data;
1541 /* check if we got . and .. from getdents */
1544 if (!strcmp( de->d_name, "." ) && res > de->d_reclen)
1546 KERNEL_DIRENT64 *next_de = (KERNEL_DIRENT64 *)(data + de->d_reclen);
1547 if (!strcmp( next_de->d_name, ".." )) fake_dot_dot = 0;
1550 /* make sure we have enough room for both entries */
1553 const ULONG min_info_size = dir_info_size( class, 1 ) + dir_info_size( class, 2 );
1554 if (length < min_info_size || single_entry)
1556 FIXME( "not enough room %u/%u for fake . and .. entries\n", length, single_entry );
1563 if ((info = append_entry( buffer, io, length, ".", NULL, mask, class )))
1565 if ((info = append_entry( buffer, io, length, "..", NULL, mask, class )))
1568 /* check if we still have enough space for the largest possible entry */
1569 if (last_info && io->Information + max_dir_info_size(class) > length)
1571 lseek( fd, 0, SEEK_SET ); /* reset pos to first entry */
1579 res -= de->d_reclen;
1581 !(fake_dot_dot && (!strcmp( de->d_name, "." ) || !strcmp( de->d_name, ".." ))) &&
1582 (info = append_entry( buffer, io, length, de->d_name, NULL, mask, class )))
1585 if (io->u.Status == STATUS_BUFFER_OVERFLOW)
1587 lseek( fd, old_pos, SEEK_SET ); /* restore pos to previous entry */
1590 /* check if we still have enough space for the largest possible entry */
1591 if (single_entry || io->Information + max_dir_info_size(class) > length)
1593 if (res > 0) lseek( fd, de->d_off, SEEK_SET ); /* set pos to next entry */
1597 old_pos = de->d_off;
1598 /* move on to the next entry */
1599 if (res > 0) de = (KERNEL_DIRENT64 *)((char *)de + de->d_reclen);
1602 res = getdents64( fd, data, size );
1603 de = (KERNEL_DIRENT64 *)data;
1607 if (last_info) last_info->next = 0;
1608 else io->u.Status = restart_scan ? STATUS_NO_SUCH_FILE : STATUS_NO_MORE_FILES;
1611 if (data != local_buffer) RtlFreeHeap( GetProcessHeap(), 0, data );
1615 #elif defined HAVE_GETDIRENTRIES
1617 #ifdef _DARWIN_FEATURE_64_BIT_INODE
1619 /* Darwin doesn't provide a version of getdirentries with support for 64-bit
1620 * inodes. When 64-bit inodes are enabled, the getdirentries symbol is mapped
1621 * to _getdirentries_is_not_available_when_64_bit_inodes_are_in_effect so that
1622 * we get link errors if we try to use it. We still need getdirentries, but we
1623 * don't need it to support 64-bit inodes. So, we use the legacy getdirentries
1624 * with 32-bit inodes. We have to be careful to use a corresponding dirent
1627 int darwin_legacy_getdirentries(int, char *, int, long *) __asm("_getdirentries");
1628 #define getdirentries darwin_legacy_getdirentries
1630 struct darwin_legacy_dirent {
1632 __uint16_t d_reclen;
1635 char d_name[__DARWIN_MAXNAMLEN + 1];
1637 #define dirent darwin_legacy_dirent
1641 /***********************************************************************
1642 * wine_getdirentries
1644 * Wrapper for the BSD getdirentries system call to fix a bug in the
1645 * Mac OS X version. For some file systems (at least Apple Filing
1646 * Protocol a.k.a. AFP), getdirentries resets the file position to 0
1647 * when it's about to return 0 (no more entries). So, a subsequent
1648 * getdirentries call starts over at the beginning again, causing an
1651 static inline int wine_getdirentries(int fd, char *buf, int nbytes, long *basep)
1653 int res = getdirentries(fd, buf, nbytes, basep);
1656 lseek(fd, *basep, SEEK_SET);
1661 /***********************************************************************
1662 * read_directory_getdirentries
1664 * Read a directory using the BSD getdirentries system call; helper for NtQueryDirectoryFile.
1666 static int read_directory_getdirentries( int fd, IO_STATUS_BLOCK *io, void *buffer, ULONG length,
1667 BOOLEAN single_entry, const UNICODE_STRING *mask,
1668 BOOLEAN restart_scan, FILE_INFORMATION_CLASS class )
1671 ULONG_PTR restart_info_pos = 0;
1672 size_t size, initial_size = length;
1673 int res, fake_dot_dot = 1;
1674 char *data, local_buffer[8192];
1676 union file_directory_info *info, *last_info = NULL, *restart_last_info = NULL;
1678 size = initial_size;
1679 data = local_buffer;
1680 if (size > sizeof(local_buffer) && !(data = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1682 io->u.Status = STATUS_NO_MEMORY;
1683 return io->u.Status;
1686 if (restart_scan) lseek( fd, 0, SEEK_SET );
1688 io->u.Status = STATUS_SUCCESS;
1690 /* FIXME: should make sure size is larger than filesystem block size */
1691 res = wine_getdirentries( fd, data, size, &restart_pos );
1694 io->u.Status = FILE_GetNtStatus();
1699 de = (struct dirent *)data;
1703 /* check if we got . and .. from getdirentries */
1706 if (!strcmp( de->d_name, "." ) && res > de->d_reclen)
1708 struct dirent *next_de = (struct dirent *)(data + de->d_reclen);
1709 if (!strcmp( next_de->d_name, ".." )) fake_dot_dot = 0;
1712 /* make sure we have enough room for both entries */
1715 const ULONG min_info_size = dir_info_size( class, 1 ) + dir_info_size( class, 2 );
1716 if (length < min_info_size || single_entry)
1718 FIXME( "not enough room %u/%u for fake . and .. entries\n", length, single_entry );
1725 if ((info = append_entry( buffer, io, length, ".", NULL, mask, class )))
1727 if ((info = append_entry( buffer, io, length, "..", NULL, mask, class )))
1730 restart_last_info = last_info;
1731 restart_info_pos = io->Information;
1733 /* check if we still have enough space for the largest possible entry */
1734 if (last_info && io->Information + max_dir_info_size(class) > length)
1736 lseek( fd, 0, SEEK_SET ); /* reset pos to first entry */
1744 res -= de->d_reclen;
1746 !(fake_dot_dot && (!strcmp( de->d_name, "." ) || !strcmp( de->d_name, ".." ))) &&
1747 ((info = append_entry( buffer, io, length, de->d_name, NULL, mask, class ))))
1750 if (io->u.Status == STATUS_BUFFER_OVERFLOW)
1752 lseek( fd, (unsigned long)restart_pos, SEEK_SET );
1753 if (restart_info_pos) /* if we have a complete read already, return it */
1755 io->u.Status = STATUS_SUCCESS;
1756 io->Information = restart_info_pos;
1757 last_info = restart_last_info;
1760 /* otherwise restart from the start with a smaller size */
1761 size = (char *)de - data;
1763 io->Information = 0;
1767 /* if we have to return but the buffer contains more data, restart with a smaller size */
1768 if (res > 0 && (single_entry || io->Information + max_dir_info_size(class) > length))
1770 lseek( fd, (unsigned long)restart_pos, SEEK_SET );
1771 size = (char *)de - data;
1772 io->Information = restart_info_pos;
1773 last_info = restart_last_info;
1777 /* move on to the next entry */
1780 de = (struct dirent *)((char *)de + de->d_reclen);
1783 if (size < initial_size) break; /* already restarted once, give up now */
1784 size = min( size, length - io->Information );
1785 /* if size is too small don't bother to continue */
1786 if (size < max_dir_info_size(class) && last_info) break;
1787 restart_last_info = last_info;
1788 restart_info_pos = io->Information;
1790 res = wine_getdirentries( fd, data, size, &restart_pos );
1791 de = (struct dirent *)data;
1794 if (last_info) last_info->next = 0;
1795 else io->u.Status = restart_scan ? STATUS_NO_SUCH_FILE : STATUS_NO_MORE_FILES;
1798 if (data != local_buffer) RtlFreeHeap( GetProcessHeap(), 0, data );
1802 #ifdef _DARWIN_FEATURE_64_BIT_INODE
1803 #undef getdirentries
1807 #endif /* HAVE_GETDIRENTRIES */
1810 /***********************************************************************
1811 * read_directory_readdir
1813 * Read a directory using the POSIX readdir interface; helper for NtQueryDirectoryFile.
1815 static void read_directory_readdir( int fd, IO_STATUS_BLOCK *io, void *buffer, ULONG length,
1816 BOOLEAN single_entry, const UNICODE_STRING *mask,
1817 BOOLEAN restart_scan, FILE_INFORMATION_CLASS class )
1820 off_t i, old_pos = 0;
1822 union file_directory_info *info, *last_info = NULL;
1824 if (!(dir = opendir( "." )))
1826 io->u.Status = FILE_GetNtStatus();
1832 old_pos = lseek( fd, 0, SEEK_CUR );
1833 /* skip the right number of entries */
1834 for (i = 0; i < old_pos - 2; i++)
1836 if (!readdir( dir ))
1839 io->u.Status = STATUS_NO_MORE_FILES;
1844 io->u.Status = STATUS_SUCCESS;
1849 info = append_entry( buffer, io, length, ".", NULL, mask, class );
1850 else if (old_pos == 1)
1851 info = append_entry( buffer, io, length, "..", NULL, mask, class );
1852 else if ((de = readdir( dir )))
1854 if (strcmp( de->d_name, "." ) && strcmp( de->d_name, ".." ))
1855 info = append_entry( buffer, io, length, de->d_name, NULL, mask, class );
1865 if (io->u.Status == STATUS_BUFFER_OVERFLOW)
1867 old_pos--; /* restore pos to previous entry */
1870 if (single_entry) break;
1871 /* check if we still have enough space for the largest possible entry */
1872 if (io->Information + max_dir_info_size(class) > length) break;
1876 lseek( fd, old_pos, SEEK_SET ); /* store dir offset as filepos for fd */
1879 if (last_info) last_info->next = 0;
1880 else io->u.Status = restart_scan ? STATUS_NO_SUCH_FILE : STATUS_NO_MORE_FILES;
1883 /***********************************************************************
1884 * read_directory_stat
1886 * Read a single file from a directory by determining whether the file
1887 * identified by mask exists using stat.
1889 static int read_directory_stat( int fd, IO_STATUS_BLOCK *io, void *buffer, ULONG length,
1890 BOOLEAN single_entry, const UNICODE_STRING *mask,
1891 BOOLEAN restart_scan, FILE_INFORMATION_CLASS class )
1893 int unix_len, ret, used_default;
1897 TRACE("trying optimisation for file %s\n", debugstr_us( mask ));
1899 unix_len = ntdll_wcstoumbs( 0, mask->Buffer, mask->Length / sizeof(WCHAR), NULL, 0, NULL, NULL );
1900 if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, unix_len + 1)))
1902 io->u.Status = STATUS_NO_MEMORY;
1905 ret = ntdll_wcstoumbs( 0, mask->Buffer, mask->Length / sizeof(WCHAR), unix_name, unix_len,
1906 NULL, &used_default );
1907 if (ret > 0 && !used_default)
1912 lseek( fd, 0, SEEK_SET );
1914 else if (lseek( fd, 0, SEEK_CUR ) != 0)
1916 io->u.Status = STATUS_NO_MORE_FILES;
1921 ret = stat( unix_name, &st );
1924 union file_directory_info *info = append_entry( buffer, io, length, unix_name, NULL, NULL, class );
1928 if (io->u.Status != STATUS_BUFFER_OVERFLOW) lseek( fd, 1, SEEK_CUR );
1930 else io->u.Status = STATUS_NO_MORE_FILES;
1936 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
1938 TRACE("returning %d\n", ret);
1944 static inline WCHAR *mempbrkW( const WCHAR *ptr, const WCHAR *accept, size_t n )
1947 for (end = ptr + n; ptr < end; ptr++) if (strchrW( accept, *ptr )) return (WCHAR *)ptr;
1951 /******************************************************************************
1952 * NtQueryDirectoryFile [NTDLL.@]
1953 * ZwQueryDirectoryFile [NTDLL.@]
1955 NTSTATUS WINAPI NtQueryDirectoryFile( HANDLE handle, HANDLE event,
1956 PIO_APC_ROUTINE apc_routine, PVOID apc_context,
1957 PIO_STATUS_BLOCK io,
1958 PVOID buffer, ULONG length,
1959 FILE_INFORMATION_CLASS info_class,
1960 BOOLEAN single_entry,
1961 PUNICODE_STRING mask,
1962 BOOLEAN restart_scan )
1964 int cwd, fd, needs_close;
1965 static const WCHAR wszWildcards[] = { '*','?',0 };
1967 TRACE("(%p %p %p %p %p %p 0x%08x 0x%08x 0x%08x %s 0x%08x\n",
1968 handle, event, apc_routine, apc_context, io, buffer,
1969 length, info_class, single_entry, debugstr_us(mask),
1972 if (event || apc_routine)
1974 FIXME( "Unsupported yet option\n" );
1975 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1979 case FileDirectoryInformation:
1980 case FileBothDirectoryInformation:
1981 case FileFullDirectoryInformation:
1982 case FileIdBothDirectoryInformation:
1983 case FileIdFullDirectoryInformation:
1984 if (length < dir_info_size( info_class, 1 )) return io->u.Status = STATUS_INFO_LENGTH_MISMATCH;
1987 FIXME( "Unsupported file info class %d\n", info_class );
1988 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1991 if ((io->u.Status = server_get_unix_fd( handle, FILE_LIST_DIRECTORY, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
1992 return io->u.Status;
1994 io->Information = 0;
1996 RtlEnterCriticalSection( &dir_section );
1998 if (show_dot_files == -1) init_options();
2000 cwd = open( ".", O_RDONLY );
2001 if (fchdir( fd ) != -1)
2005 curdir.dev = st.st_dev;
2006 curdir.ino = st.st_ino;
2007 #ifdef VFAT_IOCTL_READDIR_BOTH
2008 if ((read_directory_vfat( fd, io, buffer, length, single_entry,
2009 mask, restart_scan, info_class )) != -1) goto done;
2011 if (mask && !mempbrkW( mask->Buffer, wszWildcards, mask->Length / sizeof(WCHAR) ) &&
2012 read_directory_stat( fd, io, buffer, length, single_entry,
2013 mask, restart_scan, info_class ) != -1) goto done;
2015 if ((read_directory_getdents( fd, io, buffer, length, single_entry,
2016 mask, restart_scan, info_class )) != -1) goto done;
2017 #elif defined HAVE_GETDIRENTRIES
2018 if ((read_directory_getdirentries( fd, io, buffer, length, single_entry,
2019 mask, restart_scan, info_class )) != -1) goto done;
2021 read_directory_readdir( fd, io, buffer, length, single_entry, mask, restart_scan, info_class );
2024 if (cwd == -1 || fchdir( cwd ) == -1) chdir( "/" );
2026 else io->u.Status = FILE_GetNtStatus();
2028 RtlLeaveCriticalSection( &dir_section );
2030 if (needs_close) close( fd );
2031 if (cwd != -1) close( cwd );
2032 TRACE( "=> %x (%ld)\n", io->u.Status, io->Information );
2033 return io->u.Status;
2037 /***********************************************************************
2040 * Find a file in a directory the hard way, by doing a case-insensitive search.
2041 * The file found is appended to unix_name at pos.
2042 * There must be at least MAX_DIR_ENTRY_LEN+2 chars available at pos.
2044 static NTSTATUS find_file_in_dir( char *unix_name, int pos, const WCHAR *name, int length,
2045 int check_case, int *is_win_dir )
2047 WCHAR buffer[MAX_DIR_ENTRY_LEN];
2053 int ret, used_default, is_name_8_dot_3;
2055 /* try a shortcut for this directory */
2057 unix_name[pos++] = '/';
2058 ret = ntdll_wcstoumbs( 0, name, length, unix_name + pos, MAX_DIR_ENTRY_LEN,
2059 NULL, &used_default );
2060 /* if we used the default char, the Unix name won't round trip properly back to Unicode */
2061 /* so it cannot match the file we are looking for */
2062 if (ret >= 0 && !used_default)
2064 unix_name[pos + ret] = 0;
2065 if (!stat( unix_name, &st ))
2067 if (is_win_dir) *is_win_dir = is_same_file( &windir, &st );
2068 return STATUS_SUCCESS;
2071 if (check_case) goto not_found; /* we want an exact match */
2073 if (pos > 1) unix_name[pos - 1] = 0;
2074 else unix_name[1] = 0; /* keep the initial slash */
2076 /* check if it fits in 8.3 so that we don't look for short names if we won't need them */
2078 str.Buffer = (WCHAR *)name;
2079 str.Length = length * sizeof(WCHAR);
2080 str.MaximumLength = str.Length;
2081 is_name_8_dot_3 = RtlIsNameLegalDOS8Dot3( &str, NULL, &spaces ) && !spaces;
2083 if (!is_name_8_dot_3 && !get_dir_case_sensitivity( unix_name )) goto not_found;
2085 /* now look for it through the directory */
2087 #ifdef VFAT_IOCTL_READDIR_BOTH
2088 if (is_name_8_dot_3)
2090 int fd = open( unix_name, O_RDONLY | O_DIRECTORY );
2095 RtlEnterCriticalSection( &dir_section );
2096 if ((de = start_vfat_ioctl( fd )))
2098 unix_name[pos - 1] = '/';
2099 while (de[0].d_reclen)
2101 /* make sure names are null-terminated to work around an x86-64 kernel bug */
2102 size_t len = min(de[0].d_reclen, sizeof(de[0].d_name) - 1 );
2103 de[0].d_name[len] = 0;
2104 len = min(de[1].d_reclen, sizeof(de[1].d_name) - 1 );
2105 de[1].d_name[len] = 0;
2107 if (de[1].d_name[0])
2109 ret = ntdll_umbstowcs( 0, de[1].d_name, strlen(de[1].d_name),
2110 buffer, MAX_DIR_ENTRY_LEN );
2111 if (ret == length && !memicmpW( buffer, name, length))
2113 strcpy( unix_name + pos, de[1].d_name );
2114 RtlLeaveCriticalSection( &dir_section );
2119 ret = ntdll_umbstowcs( 0, de[0].d_name, strlen(de[0].d_name),
2120 buffer, MAX_DIR_ENTRY_LEN );
2121 if (ret == length && !memicmpW( buffer, name, length))
2123 strcpy( unix_name + pos,
2124 de[1].d_name[0] ? de[1].d_name : de[0].d_name );
2125 RtlLeaveCriticalSection( &dir_section );
2129 if (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de ) == -1)
2131 RtlLeaveCriticalSection( &dir_section );
2137 RtlLeaveCriticalSection( &dir_section );
2140 /* fall through to normal handling */
2142 #endif /* VFAT_IOCTL_READDIR_BOTH */
2144 if (!(dir = opendir( unix_name )))
2146 if (errno == ENOENT) return STATUS_OBJECT_PATH_NOT_FOUND;
2147 else return FILE_GetNtStatus();
2149 unix_name[pos - 1] = '/';
2150 str.Buffer = buffer;
2151 str.MaximumLength = sizeof(buffer);
2152 while ((de = readdir( dir )))
2154 ret = ntdll_umbstowcs( 0, de->d_name, strlen(de->d_name), buffer, MAX_DIR_ENTRY_LEN );
2155 if (ret == length && !memicmpW( buffer, name, length ))
2157 strcpy( unix_name + pos, de->d_name );
2162 if (!is_name_8_dot_3) continue;
2164 str.Length = ret * sizeof(WCHAR);
2165 if (!RtlIsNameLegalDOS8Dot3( &str, NULL, &spaces ) || spaces)
2167 WCHAR short_nameW[12];
2168 ret = hash_short_file_name( &str, short_nameW );
2169 if (ret == length && !memicmpW( short_nameW, name, length ))
2171 strcpy( unix_name + pos, de->d_name );
2180 unix_name[pos - 1] = 0;
2181 return STATUS_OBJECT_PATH_NOT_FOUND;
2184 if (is_win_dir && !stat( unix_name, &st )) *is_win_dir = is_same_file( &windir, &st );
2185 return STATUS_SUCCESS;
2191 static const WCHAR catrootW[] = {'s','y','s','t','e','m','3','2','\\','c','a','t','r','o','o','t',0};
2192 static const WCHAR catroot2W[] = {'s','y','s','t','e','m','3','2','\\','c','a','t','r','o','o','t','2',0};
2193 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};
2194 static const WCHAR driversetcW[] = {'s','y','s','t','e','m','3','2','\\','d','r','i','v','e','r','s','\\','e','t','c',0};
2195 static const WCHAR logfilesW[] = {'s','y','s','t','e','m','3','2','\\','l','o','g','f','i','l','e','s',0};
2196 static const WCHAR spoolW[] = {'s','y','s','t','e','m','3','2','\\','s','p','o','o','l',0};
2197 static const WCHAR system32W[] = {'s','y','s','t','e','m','3','2',0};
2198 static const WCHAR syswow64W[] = {'s','y','s','w','o','w','6','4',0};
2199 static const WCHAR sysnativeW[] = {'s','y','s','n','a','t','i','v','e',0};
2200 static const WCHAR regeditW[] = {'r','e','g','e','d','i','t','.','e','x','e',0};
2201 static const WCHAR wow_regeditW[] = {'s','y','s','w','o','w','6','4','\\','r','e','g','e','d','i','t','.','e','x','e',0};
2205 const WCHAR *source;
2206 const WCHAR *dos_target;
2207 const char *unix_target;
2210 { catrootW, NULL, NULL },
2211 { catroot2W, NULL, NULL },
2212 { driversstoreW, NULL, NULL },
2213 { driversetcW, NULL, NULL },
2214 { logfilesW, NULL, NULL },
2215 { spoolW, NULL, NULL },
2216 { system32W, syswow64W, NULL },
2217 { sysnativeW, system32W, NULL },
2218 { regeditW, wow_regeditW, NULL }
2221 static unsigned int nb_redirects;
2224 /***********************************************************************
2225 * get_redirect_target
2227 * Find the target unix name for a redirected dir.
2229 static const char *get_redirect_target( const char *windows_dir, const WCHAR *name )
2231 int used_default, len, pos, win_len = strlen( windows_dir );
2232 char *unix_name, *unix_target = NULL;
2235 if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, win_len + MAX_DIR_ENTRY_LEN + 2 )))
2237 memcpy( unix_name, windows_dir, win_len );
2242 const WCHAR *end, *next;
2244 for (end = name; *end; end++) if (IS_SEPARATOR(*end)) break;
2245 for (next = end; *next; next++) if (!IS_SEPARATOR(*next)) break;
2247 status = find_file_in_dir( unix_name, pos, name, end - name, FALSE, NULL );
2248 if (status == STATUS_OBJECT_PATH_NOT_FOUND && !*next) /* not finding last element is ok */
2250 len = ntdll_wcstoumbs( 0, name, end - name, unix_name + pos + 1,
2251 MAX_DIR_ENTRY_LEN - (pos - win_len), NULL, &used_default );
2252 if (len > 0 && !used_default)
2254 unix_name[pos] = '/';
2260 if (status) goto done;
2261 pos += strlen( unix_name + pos );
2265 if ((unix_target = RtlAllocateHeap( GetProcessHeap(), 0, pos - win_len )))
2266 memcpy( unix_target, unix_name + win_len + 1, pos - win_len );
2269 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
2274 /***********************************************************************
2277 static void init_redirects(void)
2279 UNICODE_STRING nt_name;
2280 ANSI_STRING unix_name;
2285 if (!RtlDosPathNameToNtPathName_U( windows_dir.Buffer, &nt_name, NULL, NULL ))
2287 ERR( "can't convert %s\n", debugstr_us(&windows_dir) );
2290 status = wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN_IF, FALSE );
2291 RtlFreeUnicodeString( &nt_name );
2294 ERR( "cannot open %s (%x)\n", debugstr_us(&windows_dir), status );
2297 if (!stat( unix_name.Buffer, &st ))
2299 windir.dev = st.st_dev;
2300 windir.ino = st.st_ino;
2301 nb_redirects = sizeof(redirects) / sizeof(redirects[0]);
2302 for (i = 0; i < nb_redirects; i++)
2304 if (!redirects[i].dos_target) continue;
2305 redirects[i].unix_target = get_redirect_target( unix_name.Buffer, redirects[i].dos_target );
2306 TRACE( "%s -> %s\n", debugstr_w(redirects[i].source), redirects[i].unix_target );
2309 RtlFreeAnsiString( &unix_name );
2314 /***********************************************************************
2317 * Check if path matches a redirect name. If yes, return matched length.
2319 static int match_redirect( const WCHAR *path, int len, const WCHAR *redir, int check_case )
2323 while (i < len && *redir)
2325 if (IS_SEPARATOR(path[i]))
2327 if (*redir++ != '\\') return 0;
2328 while (i < len && IS_SEPARATOR(path[i])) i++;
2329 continue; /* move on to next path component */
2331 else if (check_case)
2333 if (path[i] != *redir) return 0;
2337 if (tolowerW(path[i]) != tolowerW(*redir)) return 0;
2342 if (*redir) return 0;
2343 if (i < len && !IS_SEPARATOR(path[i])) return 0;
2344 while (i < len && IS_SEPARATOR(path[i])) i++;
2349 /***********************************************************************
2352 * Retrieve the Unix path corresponding to a redirected path if any.
2354 static int get_redirect_path( char *unix_name, int pos, const WCHAR *name, int length, int check_case )
2359 for (i = 0; i < nb_redirects; i++)
2361 if ((len = match_redirect( name, length, redirects[i].source, check_case )))
2363 if (!redirects[i].unix_target) break;
2364 unix_name[pos++] = '/';
2365 strcpy( unix_name + pos, redirects[i].unix_target );
2374 /* there are no redirects on 64-bit */
2376 static const unsigned int nb_redirects = 0;
2378 static int get_redirect_path( char *unix_name, int pos, const WCHAR *name, int length, int check_case )
2385 /***********************************************************************
2386 * DIR_init_windows_dir
2388 void DIR_init_windows_dir( const WCHAR *win, const WCHAR *sys )
2390 /* FIXME: should probably store paths as NT file names */
2392 RtlCreateUnicodeString( &windows_dir, win );
2393 RtlCreateUnicodeString( &system_dir, sys );
2396 if (is_wow64) init_redirects();
2401 /******************************************************************************
2404 * Get the Unix path of a DOS device.
2406 static NTSTATUS get_dos_device( const WCHAR *name, UINT name_len, ANSI_STRING *unix_name_ret )
2408 const char *config_dir = wine_get_config_dir();
2410 char *unix_name, *new_name, *dev;
2414 /* make sure the device name is ASCII */
2415 for (i = 0; i < name_len; i++)
2416 if (name[i] <= 32 || name[i] >= 127) return STATUS_BAD_DEVICE_TYPE;
2418 unix_len = strlen(config_dir) + sizeof("/dosdevices/") + name_len + 1;
2420 if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, unix_len )))
2421 return STATUS_NO_MEMORY;
2423 strcpy( unix_name, config_dir );
2424 strcat( unix_name, "/dosdevices/" );
2425 dev = unix_name + strlen(unix_name);
2427 for (i = 0; i < name_len; i++) dev[i] = (char)tolowerW(name[i]);
2430 /* special case for drive devices */
2431 if (name_len == 2 && dev[1] == ':')
2439 if (!stat( unix_name, &st ))
2441 TRACE( "%s -> %s\n", debugstr_wn(name,name_len), debugstr_a(unix_name) );
2442 unix_name_ret->Buffer = unix_name;
2443 unix_name_ret->Length = strlen(unix_name);
2444 unix_name_ret->MaximumLength = unix_len;
2445 return STATUS_SUCCESS;
2449 /* now try some defaults for it */
2450 if (!strcmp( dev, "aux" ))
2452 strcpy( dev, "com1" );
2455 if (!strcmp( dev, "prn" ))
2457 strcpy( dev, "lpt1" );
2460 if (!strcmp( dev, "nul" ))
2462 strcpy( unix_name, "/dev/null" );
2463 dev = NULL; /* last try */
2468 if (dev[1] == ':' && dev[2] == ':') /* drive device */
2470 dev[2] = 0; /* remove last ':' to get the drive mount point symlink */
2471 new_name = get_default_drive_device( unix_name );
2473 else if (!strncmp( dev, "com", 3 )) new_name = get_default_com_device( atoi(dev + 3 ));
2474 else if (!strncmp( dev, "lpt", 3 )) new_name = get_default_lpt_device( atoi(dev + 3 ));
2476 if (!new_name) break;
2478 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
2479 unix_name = new_name;
2480 unix_len = strlen(unix_name) + 1;
2481 dev = NULL; /* last try */
2483 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
2484 return STATUS_BAD_DEVICE_TYPE;
2488 /* return the length of the DOS namespace prefix if any */
2489 static inline int get_dos_prefix_len( const UNICODE_STRING *name )
2491 static const WCHAR nt_prefixW[] = {'\\','?','?','\\'};
2492 static const WCHAR dosdev_prefixW[] = {'\\','D','o','s','D','e','v','i','c','e','s','\\'};
2494 if (name->Length > sizeof(nt_prefixW) &&
2495 !memcmp( name->Buffer, nt_prefixW, sizeof(nt_prefixW) ))
2496 return sizeof(nt_prefixW) / sizeof(WCHAR);
2498 if (name->Length > sizeof(dosdev_prefixW) &&
2499 !memicmpW( name->Buffer, dosdev_prefixW, sizeof(dosdev_prefixW)/sizeof(WCHAR) ))
2500 return sizeof(dosdev_prefixW) / sizeof(WCHAR);
2506 /******************************************************************************
2509 * Recursively search directories from the dir queue for a given inode.
2511 static NTSTATUS find_file_id( ANSI_STRING *unix_name, ULONGLONG file_id, dev_t dev )
2519 while (!(status = next_dir_in_queue( unix_name->Buffer )))
2521 if (!(dir = opendir( unix_name->Buffer ))) continue;
2522 TRACE( "searching %s for %s\n", unix_name->Buffer, wine_dbgstr_longlong(file_id) );
2523 pos = strlen( unix_name->Buffer );
2524 if (pos + MAX_DIR_ENTRY_LEN >= unix_name->MaximumLength/sizeof(WCHAR))
2526 char *new = RtlReAllocateHeap( GetProcessHeap(), 0, unix_name->Buffer,
2527 unix_name->MaximumLength * 2 );
2531 return STATUS_NO_MEMORY;
2533 unix_name->MaximumLength *= 2;
2534 unix_name->Buffer = new;
2536 unix_name->Buffer[pos++] = '/';
2537 while ((de = readdir( dir )))
2539 if (!strcmp( de->d_name, "." ) || !strcmp( de->d_name, ".." )) continue;
2540 strcpy( unix_name->Buffer + pos, de->d_name );
2541 if (lstat( unix_name->Buffer, &st ) == -1) continue;
2542 if (st.st_dev != dev) continue;
2543 if (st.st_ino == file_id)
2546 return STATUS_SUCCESS;
2548 if (!S_ISDIR( st.st_mode )) continue;
2549 if ((status = add_dir_to_queue( unix_name->Buffer )) != STATUS_SUCCESS)
2561 /******************************************************************************
2562 * file_id_to_unix_file_name
2564 * Lookup a file from its file id instead of its name.
2566 NTSTATUS file_id_to_unix_file_name( const OBJECT_ATTRIBUTES *attr, ANSI_STRING *unix_name )
2568 enum server_fd_type type;
2569 int old_cwd, root_fd, needs_close;
2572 struct stat st, root_st;
2574 if (attr->ObjectName->Length != sizeof(ULONGLONG)) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2575 if (!attr->RootDirectory) return STATUS_INVALID_PARAMETER;
2576 memcpy( &file_id, attr->ObjectName->Buffer, sizeof(file_id) );
2578 unix_name->MaximumLength = 2 * MAX_DIR_ENTRY_LEN + 4;
2579 if (!(unix_name->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, unix_name->MaximumLength )))
2580 return STATUS_NO_MEMORY;
2581 strcpy( unix_name->Buffer, "." );
2583 if ((status = server_get_unix_fd( attr->RootDirectory, 0, &root_fd, &needs_close, &type, NULL )))
2586 if (type != FD_TYPE_DIR)
2588 status = STATUS_OBJECT_TYPE_MISMATCH;
2592 fstat( root_fd, &root_st );
2593 if (root_st.st_ino == file_id) /* shortcut for "." */
2595 status = STATUS_SUCCESS;
2599 RtlEnterCriticalSection( &dir_section );
2600 if ((old_cwd = open( ".", O_RDONLY )) != -1 && fchdir( root_fd ) != -1)
2602 /* shortcut for ".." */
2603 if (!stat( "..", &st ) && st.st_dev == root_st.st_dev && st.st_ino == file_id)
2605 strcpy( unix_name->Buffer, ".." );
2606 status = STATUS_SUCCESS;
2610 status = add_dir_to_queue( "." );
2612 status = find_file_id( unix_name, file_id, root_st.st_dev );
2613 if (!status) /* get rid of "./" prefix */
2614 memmove( unix_name->Buffer, unix_name->Buffer + 2, strlen(unix_name->Buffer) - 1 );
2617 if (fchdir( old_cwd ) == -1) chdir( "/" );
2619 else status = FILE_GetNtStatus();
2620 RtlLeaveCriticalSection( &dir_section );
2621 if (old_cwd != -1) close( old_cwd );
2624 if (status == STATUS_SUCCESS)
2626 TRACE( "%s -> %s\n", wine_dbgstr_longlong(file_id), debugstr_a(unix_name->Buffer) );
2627 unix_name->Length = strlen( unix_name->Buffer );
2631 TRACE( "%s not found in dir %p\n", wine_dbgstr_longlong(file_id), attr->RootDirectory );
2632 RtlFreeHeap( GetProcessHeap(), 0, unix_name->Buffer );
2634 if (needs_close) close( root_fd );
2639 /******************************************************************************
2642 * Helper for nt_to_unix_file_name
2644 static NTSTATUS lookup_unix_name( const WCHAR *name, int name_len, char **buffer, int unix_len, int pos,
2645 UINT disposition, BOOLEAN check_case )
2648 int ret, used_default, len;
2650 char *unix_name = *buffer;
2651 const BOOL redirect = nb_redirects && ntdll_get_thread_data()->wow64_redir;
2653 /* try a shortcut first */
2655 ret = ntdll_wcstoumbs( 0, name, name_len, unix_name + pos, unix_len - pos - 1,
2656 NULL, &used_default );
2658 while (name_len && IS_SEPARATOR(*name))
2664 if (ret >= 0 && !used_default) /* if we used the default char the name didn't convert properly */
2667 unix_name[pos + ret] = 0;
2668 for (p = unix_name + pos ; *p; p++) if (*p == '\\') *p = '/';
2669 if (!redirect || (!strstr( unix_name, "/windows/") && strncmp( unix_name, "windows/", 8 )))
2671 if (!stat( unix_name, &st ))
2673 /* creation fails with STATUS_ACCESS_DENIED for the root of the drive */
2674 if (disposition == FILE_CREATE)
2675 return name_len ? STATUS_OBJECT_NAME_COLLISION : STATUS_ACCESS_DENIED;
2676 return STATUS_SUCCESS;
2681 if (!name_len) /* empty name -> drive root doesn't exist */
2682 return STATUS_OBJECT_PATH_NOT_FOUND;
2683 if (check_case && !redirect && (disposition == FILE_OPEN || disposition == FILE_OVERWRITE))
2684 return STATUS_OBJECT_NAME_NOT_FOUND;
2686 /* now do it component by component */
2690 const WCHAR *end, *next;
2694 while (end < name + name_len && !IS_SEPARATOR(*end)) end++;
2696 while (next < name + name_len && IS_SEPARATOR(*next)) next++;
2697 name_len -= next - name;
2699 /* grow the buffer if needed */
2701 if (unix_len - pos < MAX_DIR_ENTRY_LEN + 2)
2704 unix_len += 2 * MAX_DIR_ENTRY_LEN;
2705 if (!(new_name = RtlReAllocateHeap( GetProcessHeap(), 0, unix_name, unix_len )))
2706 return STATUS_NO_MEMORY;
2707 unix_name = *buffer = new_name;
2710 status = find_file_in_dir( unix_name, pos, name, end - name,
2711 check_case, redirect ? &is_win_dir : NULL );
2713 /* if this is the last element, not finding it is not necessarily fatal */
2716 if (status == STATUS_OBJECT_PATH_NOT_FOUND)
2718 status = STATUS_OBJECT_NAME_NOT_FOUND;
2719 if (disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
2721 ret = ntdll_wcstoumbs( 0, name, end - name, unix_name + pos + 1,
2722 MAX_DIR_ENTRY_LEN, NULL, &used_default );
2723 if (ret > 0 && !used_default)
2725 unix_name[pos] = '/';
2726 unix_name[pos + 1 + ret] = 0;
2727 status = STATUS_NO_SUCH_FILE;
2732 else if (status == STATUS_SUCCESS && disposition == FILE_CREATE)
2734 status = STATUS_OBJECT_NAME_COLLISION;
2738 if (status != STATUS_SUCCESS) break;
2740 pos += strlen( unix_name + pos );
2743 if (is_win_dir && (len = get_redirect_path( unix_name, pos, name, name_len, check_case )))
2747 pos += strlen( unix_name + pos );
2748 TRACE( "redirecting -> %s + %s\n", debugstr_a(unix_name), debugstr_w(name) );
2756 /******************************************************************************
2757 * nt_to_unix_file_name_attr
2759 NTSTATUS nt_to_unix_file_name_attr( const OBJECT_ATTRIBUTES *attr, ANSI_STRING *unix_name_ret,
2762 static const WCHAR invalid_charsW[] = { INVALID_NT_CHARS, 0 };
2763 enum server_fd_type type;
2764 int old_cwd, root_fd, needs_close;
2765 const WCHAR *name, *p;
2767 int name_len, unix_len;
2769 BOOLEAN check_case = !(attr->Attributes & OBJ_CASE_INSENSITIVE);
2771 if (!attr->RootDirectory) /* without root dir fall back to normal lookup */
2772 return wine_nt_to_unix_file_name( attr->ObjectName, unix_name_ret, disposition, check_case );
2774 name = attr->ObjectName->Buffer;
2775 name_len = attr->ObjectName->Length / sizeof(WCHAR);
2777 if (name_len && IS_SEPARATOR(name[0])) return STATUS_INVALID_PARAMETER;
2779 /* check for invalid characters */
2780 for (p = name; p < name + name_len; p++)
2781 if (*p < 32 || strchrW( invalid_charsW, *p )) return STATUS_OBJECT_NAME_INVALID;
2783 unix_len = ntdll_wcstoumbs( 0, name, name_len, NULL, 0, NULL, NULL );
2784 unix_len += MAX_DIR_ENTRY_LEN + 3;
2785 if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, unix_len )))
2786 return STATUS_NO_MEMORY;
2789 if (!(status = server_get_unix_fd( attr->RootDirectory, 0, &root_fd, &needs_close, &type, NULL )))
2791 if (type != FD_TYPE_DIR)
2793 if (needs_close) close( root_fd );
2794 status = STATUS_BAD_DEVICE_TYPE;
2798 RtlEnterCriticalSection( &dir_section );
2799 if ((old_cwd = open( ".", O_RDONLY )) != -1 && fchdir( root_fd ) != -1)
2801 status = lookup_unix_name( name, name_len, &unix_name, unix_len, 1,
2802 disposition, check_case );
2803 if (fchdir( old_cwd ) == -1) chdir( "/" );
2805 else status = FILE_GetNtStatus();
2806 RtlLeaveCriticalSection( &dir_section );
2807 if (old_cwd != -1) close( old_cwd );
2808 if (needs_close) close( root_fd );
2811 else if (status == STATUS_OBJECT_TYPE_MISMATCH) status = STATUS_BAD_DEVICE_TYPE;
2813 if (status == STATUS_SUCCESS || status == STATUS_NO_SUCH_FILE)
2815 TRACE( "%s -> %s\n", debugstr_us(attr->ObjectName), debugstr_a(unix_name) );
2816 unix_name_ret->Buffer = unix_name;
2817 unix_name_ret->Length = strlen(unix_name);
2818 unix_name_ret->MaximumLength = unix_len;
2822 TRACE( "%s not found in %s\n", debugstr_w(name), unix_name );
2823 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
2829 /******************************************************************************
2830 * wine_nt_to_unix_file_name (NTDLL.@) Not a Windows API
2832 * Convert a file name from NT namespace to Unix namespace.
2834 * If disposition is not FILE_OPEN or FILE_OVERWRITE, the last path
2835 * element doesn't have to exist; in that case STATUS_NO_SUCH_FILE is
2836 * returned, but the unix name is still filled in properly.
2838 NTSTATUS CDECL wine_nt_to_unix_file_name( const UNICODE_STRING *nameW, ANSI_STRING *unix_name_ret,
2839 UINT disposition, BOOLEAN check_case )
2841 static const WCHAR unixW[] = {'u','n','i','x'};
2842 static const WCHAR invalid_charsW[] = { INVALID_NT_CHARS, 0 };
2844 NTSTATUS status = STATUS_SUCCESS;
2845 const char *config_dir = wine_get_config_dir();
2846 const WCHAR *name, *p;
2849 int pos, ret, name_len, unix_len, prefix_len, used_default;
2850 WCHAR prefix[MAX_DIR_ENTRY_LEN];
2851 BOOLEAN is_unix = FALSE;
2853 name = nameW->Buffer;
2854 name_len = nameW->Length / sizeof(WCHAR);
2856 if (!name_len || !IS_SEPARATOR(name[0])) return STATUS_OBJECT_PATH_SYNTAX_BAD;
2858 if (!(pos = get_dos_prefix_len( nameW )))
2859 return STATUS_BAD_DEVICE_TYPE; /* no DOS prefix, assume NT native name */
2864 /* check for sub-directory */
2865 for (pos = 0; pos < name_len; pos++)
2867 if (IS_SEPARATOR(name[pos])) break;
2868 if (name[pos] < 32 || strchrW( invalid_charsW, name[pos] ))
2869 return STATUS_OBJECT_NAME_INVALID;
2871 if (pos > MAX_DIR_ENTRY_LEN)
2872 return STATUS_OBJECT_NAME_INVALID;
2874 if (pos == name_len) /* no subdir, plain DOS device */
2875 return get_dos_device( name, name_len, unix_name_ret );
2877 for (prefix_len = 0; prefix_len < pos; prefix_len++)
2878 prefix[prefix_len] = tolowerW(name[prefix_len]);
2881 name_len -= prefix_len;
2883 /* check for invalid characters (all chars except 0 are valid for unix) */
2884 is_unix = (prefix_len == 4 && !memcmp( prefix, unixW, sizeof(unixW) ));
2887 for (p = name; p < name + name_len; p++)
2888 if (!*p) return STATUS_OBJECT_NAME_INVALID;
2893 for (p = name; p < name + name_len; p++)
2894 if (*p < 32 || strchrW( invalid_charsW, *p )) return STATUS_OBJECT_NAME_INVALID;
2897 unix_len = ntdll_wcstoumbs( 0, prefix, prefix_len, NULL, 0, NULL, NULL );
2898 unix_len += ntdll_wcstoumbs( 0, name, name_len, NULL, 0, NULL, NULL );
2899 unix_len += MAX_DIR_ENTRY_LEN + 3;
2900 unix_len += strlen(config_dir) + sizeof("/dosdevices/");
2901 if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, unix_len )))
2902 return STATUS_NO_MEMORY;
2903 strcpy( unix_name, config_dir );
2904 strcat( unix_name, "/dosdevices/" );
2905 pos = strlen(unix_name);
2907 ret = ntdll_wcstoumbs( 0, prefix, prefix_len, unix_name + pos, unix_len - pos - 1,
2908 NULL, &used_default );
2909 if (!ret || used_default)
2911 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
2912 return STATUS_OBJECT_NAME_INVALID;
2916 /* check if prefix exists (except for DOS drives to avoid extra stat calls) */
2918 if (prefix_len != 2 || prefix[1] != ':')
2921 if (lstat( unix_name, &st ) == -1 && errno == ENOENT)
2925 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
2926 return STATUS_BAD_DEVICE_TYPE;
2928 pos = 0; /* fall back to unix root */
2932 status = lookup_unix_name( name, name_len, &unix_name, unix_len, pos, disposition, check_case );
2933 if (status == STATUS_SUCCESS || status == STATUS_NO_SUCH_FILE)
2935 TRACE( "%s -> %s\n", debugstr_us(nameW), debugstr_a(unix_name) );
2936 unix_name_ret->Buffer = unix_name;
2937 unix_name_ret->Length = strlen(unix_name);
2938 unix_name_ret->MaximumLength = unix_len;
2942 TRACE( "%s not found in %s\n", debugstr_w(name), unix_name );
2943 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
2949 /******************************************************************
2950 * RtlWow64EnableFsRedirection (NTDLL.@)
2952 NTSTATUS WINAPI RtlWow64EnableFsRedirection( BOOLEAN enable )
2954 if (!is_wow64) return STATUS_NOT_IMPLEMENTED;
2955 ntdll_get_thread_data()->wow64_redir = enable;
2956 return STATUS_SUCCESS;
2960 /******************************************************************
2961 * RtlWow64EnableFsRedirectionEx (NTDLL.@)
2963 NTSTATUS WINAPI RtlWow64EnableFsRedirectionEx( ULONG disable, ULONG *old_value )
2965 if (!is_wow64) return STATUS_NOT_IMPLEMENTED;
2966 *old_value = !ntdll_get_thread_data()->wow64_redir;
2967 ntdll_get_thread_data()->wow64_redir = !disable;
2968 return STATUS_SUCCESS;
2972 /******************************************************************
2973 * RtlDoesFileExists_U (NTDLL.@)
2975 BOOLEAN WINAPI RtlDoesFileExists_U(LPCWSTR file_name)
2977 UNICODE_STRING nt_name;
2978 FILE_BASIC_INFORMATION basic_info;
2979 OBJECT_ATTRIBUTES attr;
2982 if (!RtlDosPathNameToNtPathName_U( file_name, &nt_name, NULL, NULL )) return FALSE;
2984 attr.Length = sizeof(attr);
2985 attr.RootDirectory = 0;
2986 attr.ObjectName = &nt_name;
2987 attr.Attributes = OBJ_CASE_INSENSITIVE;
2988 attr.SecurityDescriptor = NULL;
2989 attr.SecurityQualityOfService = NULL;
2991 ret = NtQueryAttributesFile(&attr, &basic_info) == STATUS_SUCCESS;
2993 RtlFreeUnicodeString( &nt_name );
2998 /***********************************************************************
2999 * DIR_unmount_device
3001 * Unmount the specified device.
3003 NTSTATUS DIR_unmount_device( HANDLE handle )
3006 int unix_fd, needs_close;
3008 if (!(status = server_get_unix_fd( handle, 0, &unix_fd, &needs_close, NULL, NULL )))
3011 char *mount_point = NULL;
3013 if (fstat( unix_fd, &st ) == -1 || !is_valid_mounted_device( &st ))
3014 status = STATUS_INVALID_PARAMETER;
3017 if ((mount_point = get_device_mount_point( st.st_rdev )))
3020 static const char umount[] = "diskutil unmount >/dev/null 2>&1 ";
3022 static const char umount[] = "umount >/dev/null 2>&1 ";
3024 char *cmd = RtlAllocateHeap( GetProcessHeap(), 0, strlen(mount_point)+sizeof(umount));
3027 strcpy( cmd, umount );
3028 strcat( cmd, mount_point );
3030 RtlFreeHeap( GetProcessHeap(), 0, cmd );
3032 /* umount will fail to release the loop device since we still have
3033 a handle to it, so we release it here */
3034 if (major(st.st_rdev) == LOOP_MAJOR) ioctl( unix_fd, 0x4c01 /*LOOP_CLR_FD*/, 0 );
3037 RtlFreeHeap( GetProcessHeap(), 0, mount_point );
3040 if (needs_close) close( unix_fd );
3046 /******************************************************************************
3049 * Retrieve the Unix name of the current directory; helper for wine_unix_to_nt_file_name.
3050 * Returned value must be freed by caller.
3052 NTSTATUS DIR_get_unix_cwd( char **cwd )
3054 int old_cwd, unix_fd, needs_close;
3059 RtlAcquirePebLock();
3061 if (NtCurrentTeb()->Tib.SubSystemTib) /* FIXME: hack */
3062 curdir = &((WIN16_SUBSYSTEM_TIB *)NtCurrentTeb()->Tib.SubSystemTib)->curdir;
3064 curdir = &NtCurrentTeb()->Peb->ProcessParameters->CurrentDirectory;
3066 if (!(handle = curdir->Handle))
3068 UNICODE_STRING dirW;
3069 OBJECT_ATTRIBUTES attr;
3072 if (!RtlDosPathNameToNtPathName_U( curdir->DosPath.Buffer, &dirW, NULL, NULL ))
3074 status = STATUS_OBJECT_NAME_INVALID;
3077 attr.Length = sizeof(attr);
3078 attr.RootDirectory = 0;
3079 attr.Attributes = OBJ_CASE_INSENSITIVE;
3080 attr.ObjectName = &dirW;
3081 attr.SecurityDescriptor = NULL;
3082 attr.SecurityQualityOfService = NULL;
3084 status = NtOpenFile( &handle, 0, &attr, &io, 0,
3085 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
3086 RtlFreeUnicodeString( &dirW );
3087 if (status != STATUS_SUCCESS) goto done;
3090 if ((status = server_get_unix_fd( handle, 0, &unix_fd, &needs_close, NULL, NULL )) == STATUS_SUCCESS)
3092 RtlEnterCriticalSection( &dir_section );
3094 if ((old_cwd = open(".", O_RDONLY)) != -1 && fchdir( unix_fd ) != -1)
3096 unsigned int size = 512;
3100 if (!(*cwd = RtlAllocateHeap( GetProcessHeap(), 0, size )))
3102 status = STATUS_NO_MEMORY;
3105 if (getcwd( *cwd, size )) break;
3106 RtlFreeHeap( GetProcessHeap(), 0, *cwd );
3107 if (errno != ERANGE)
3109 status = STATUS_OBJECT_PATH_INVALID;
3114 if (fchdir( old_cwd ) == -1) chdir( "/" );
3116 else status = FILE_GetNtStatus();
3118 RtlLeaveCriticalSection( &dir_section );
3119 if (old_cwd != -1) close( old_cwd );
3120 if (needs_close) close( unix_fd );
3122 if (!curdir->Handle) NtClose( handle );
3125 RtlReleasePebLock();
3129 struct read_changes_info
3134 PIO_APC_ROUTINE apc;
3138 /* callback for ioctl user APC */
3139 static void WINAPI read_changes_user_apc( void *arg, IO_STATUS_BLOCK *io, ULONG reserved )
3141 struct read_changes_info *info = arg;
3142 if (info->apc) info->apc( info->apc_arg, io, reserved );
3143 RtlFreeHeap( GetProcessHeap(), 0, info );
3146 static NTSTATUS read_changes_apc( void *user, PIO_STATUS_BLOCK iosb, NTSTATUS status, void **apc )
3148 struct read_changes_info *info = user;
3149 char data[PATH_MAX];
3153 SERVER_START_REQ( read_change )
3155 req->handle = wine_server_obj_handle( info->FileHandle );
3156 wine_server_set_reply( req, data, PATH_MAX );
3157 ret = wine_server_call( req );
3158 size = wine_server_reply_size( reply );
3162 if (ret == STATUS_SUCCESS && info->Buffer)
3164 PFILE_NOTIFY_INFORMATION pfni = info->Buffer;
3165 int i, left = info->BufferSize;
3166 DWORD *last_entry_offset = NULL;
3167 struct filesystem_event *event = (struct filesystem_event*)data;
3169 while (size && left >= sizeof(*pfni))
3171 /* convert to an NT style path */
3172 for (i=0; i<event->len; i++)
3173 if (event->name[i] == '/')
3174 event->name[i] = '\\';
3176 pfni->Action = event->action;
3177 pfni->FileNameLength = ntdll_umbstowcs( 0, event->name, event->len, pfni->FileName,
3178 (left - offsetof(FILE_NOTIFY_INFORMATION, FileName)) / sizeof(WCHAR));
3179 last_entry_offset = &pfni->NextEntryOffset;
3181 if(pfni->FileNameLength == -1 || pfni->FileNameLength == -2)
3184 i = offsetof(FILE_NOTIFY_INFORMATION, FileName[pfni->FileNameLength]);
3185 pfni->FileNameLength *= sizeof(WCHAR);
3186 pfni->NextEntryOffset = i;
3187 pfni = (FILE_NOTIFY_INFORMATION*)((char*)pfni + i);
3190 i = (offsetof(struct filesystem_event, name[event->len])
3191 + sizeof(int)-1) / sizeof(int) * sizeof(int);
3192 event = (struct filesystem_event*)((char*)event + i);
3198 ret = STATUS_NOTIFY_ENUM_DIR;
3203 *last_entry_offset = 0;
3204 size = info->BufferSize - left;
3209 ret = STATUS_NOTIFY_ENUM_DIR;
3213 iosb->u.Status = ret;
3214 iosb->Information = size;
3215 *apc = read_changes_user_apc;
3219 #define FILE_NOTIFY_ALL ( \
3220 FILE_NOTIFY_CHANGE_FILE_NAME | \
3221 FILE_NOTIFY_CHANGE_DIR_NAME | \
3222 FILE_NOTIFY_CHANGE_ATTRIBUTES | \
3223 FILE_NOTIFY_CHANGE_SIZE | \
3224 FILE_NOTIFY_CHANGE_LAST_WRITE | \
3225 FILE_NOTIFY_CHANGE_LAST_ACCESS | \
3226 FILE_NOTIFY_CHANGE_CREATION | \
3227 FILE_NOTIFY_CHANGE_SECURITY )
3229 /******************************************************************************
3230 * NtNotifyChangeDirectoryFile [NTDLL.@]
3233 NtNotifyChangeDirectoryFile( HANDLE FileHandle, HANDLE Event,
3234 PIO_APC_ROUTINE ApcRoutine, PVOID ApcContext,
3235 PIO_STATUS_BLOCK IoStatusBlock, PVOID Buffer,
3236 ULONG BufferSize, ULONG CompletionFilter, BOOLEAN WatchTree )
3238 struct read_changes_info *info;
3240 ULONG_PTR cvalue = ApcRoutine ? 0 : (ULONG_PTR)ApcContext;
3242 TRACE("%p %p %p %p %p %p %u %u %d\n",
3243 FileHandle, Event, ApcRoutine, ApcContext, IoStatusBlock,
3244 Buffer, BufferSize, CompletionFilter, WatchTree );
3247 return STATUS_ACCESS_VIOLATION;
3249 if (CompletionFilter == 0 || (CompletionFilter & ~FILE_NOTIFY_ALL))
3250 return STATUS_INVALID_PARAMETER;
3252 info = RtlAllocateHeap( GetProcessHeap(), 0, sizeof *info );
3254 return STATUS_NO_MEMORY;
3256 info->FileHandle = FileHandle;
3257 info->Buffer = Buffer;
3258 info->BufferSize = BufferSize;
3259 info->apc = ApcRoutine;
3260 info->apc_arg = ApcContext;
3262 SERVER_START_REQ( read_directory_changes )
3264 req->filter = CompletionFilter;
3265 req->want_data = (Buffer != NULL);
3266 req->subtree = WatchTree;
3267 req->async.handle = wine_server_obj_handle( FileHandle );
3268 req->async.callback = wine_server_client_ptr( read_changes_apc );
3269 req->async.iosb = wine_server_client_ptr( IoStatusBlock );
3270 req->async.arg = wine_server_client_ptr( info );
3271 req->async.event = wine_server_obj_handle( Event );
3272 req->async.cvalue = cvalue;
3273 status = wine_server_call( req );
3277 if (status != STATUS_PENDING)
3278 RtlFreeHeap( GetProcessHeap(), 0, info );