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"
26 #include <sys/types.h>
38 #ifdef HAVE_SYS_STAT_H
39 # include <sys/stat.h>
41 #ifdef HAVE_SYS_IOCTL_H
42 #include <sys/ioctl.h>
44 #ifdef HAVE_LINUX_IOCTL_H
45 #include <linux/ioctl.h>
47 #ifdef HAVE_LINUX_MAJOR_H
48 # include <linux/major.h>
50 #ifdef HAVE_SYS_PARAM_H
51 #include <sys/param.h>
53 #ifdef HAVE_SYS_MOUNT_H
54 #include <sys/mount.h>
61 #define NONAMELESSUNION
62 #define NONAMELESSSTRUCT
64 #define WIN32_NO_STATUS
69 #include "ntdll_misc.h"
70 #include "wine/unicode.h"
71 #include "wine/server.h"
72 #include "wine/library.h"
73 #include "wine/debug.h"
75 WINE_DEFAULT_DEBUG_CHANNEL(file);
78 #undef VFAT_IOCTL_READDIR_BOTH
83 /* We want the real kernel dirent structure, not the libc one */
88 unsigned short d_reclen;
92 /* Define the VFAT ioctl to get both short and long file names */
93 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, KERNEL_DIRENT [2] )
96 # define O_DIRECTORY 0200000 /* must be directory */
105 unsigned short d_reclen;
106 unsigned char d_type;
110 static inline int getdents64( int fd, char *de, unsigned int size )
113 __asm__( "pushl %%ebx; movl %2,%%ebx; int $0x80; popl %%ebx"
115 : "0" (220 /*NR_getdents64*/), "r" (fd), "c" (de), "d" (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 static const unsigned int max_dir_info_size = FIELD_OFFSET( FILE_BOTH_DIR_INFORMATION, FileName[MAX_DIR_ENTRY_LEN] );
140 static int show_dot_files = -1;
142 /* at some point we may want to allow Winelib apps to set this */
143 static const int is_case_sensitive = FALSE;
145 static RTL_CRITICAL_SECTION dir_section;
146 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
149 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
150 0, 0, { (DWORD_PTR)(__FILE__ ": dir_section") }
152 static RTL_CRITICAL_SECTION dir_section = { &critsect_debug, -1, 0, 0, 0, 0 };
155 /* check if a given Unicode char is OK in a DOS short name */
156 static inline BOOL is_invalid_dos_char( WCHAR ch )
158 static const WCHAR invalid_chars[] = { INVALID_DOS_CHARS,'~','.',0 };
159 if (ch > 0x7f) return TRUE;
160 return strchrW( invalid_chars, ch ) != NULL;
163 /* check if the device can be a mounted volume */
164 static inline int is_valid_mounted_device( struct stat *st )
166 #if defined(linux) || defined(__sun__)
167 return S_ISBLK( st->st_mode );
169 /* disks are char devices on *BSD */
170 return S_ISCHR( st->st_mode );
174 /***********************************************************************
175 * get_default_com_device
177 * Return the default device to use for serial ports.
179 static char *get_default_com_device( int num )
183 if (!num || num > 9) return ret;
185 ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/ttyS0") );
188 strcpy( ret, "/dev/ttyS0" );
189 ret[strlen(ret) - 1] = '0' + num - 1;
191 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
192 ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/cuad0") );
195 strcpy( ret, "/dev/cuad0" );
196 ret[strlen(ret) - 1] = '0' + num - 1;
199 FIXME( "no known default for device com%d\n", num );
205 /***********************************************************************
206 * get_default_lpt_device
208 * Return the default device to use for parallel ports.
210 static char *get_default_lpt_device( int num )
214 if (!num || num > 9) return ret;
216 ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/lp0") );
219 strcpy( ret, "/dev/lp0" );
220 ret[strlen(ret) - 1] = '0' + num - 1;
223 FIXME( "no known default for device lpt%d\n", num );
229 /***********************************************************************
230 * parse_mount_entries
232 * Parse mount entries looking for a given device. Helper for get_default_drive_device.
236 #include <sys/vfstab.h>
237 static char *parse_vfstab_entries( FILE *f, dev_t dev, ino_t ino)
243 while (! getvfsent( f, &entry ))
245 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
246 if (!strcmp( entry.vfs_fstype, "nfs" ) ||
247 !strcmp( entry.vfs_fstype, "smbfs" ) ||
248 !strcmp( entry.vfs_fstype, "ncpfs" )) continue;
250 if (stat( entry.vfs_mountp, &st ) == -1) continue;
251 if (st.st_dev != dev || st.st_ino != ino) continue;
252 if (!strcmp( entry.vfs_fstype, "fd" ))
254 if ((device = strstr( entry.vfs_mntopts, "dev=" )))
256 char *p = strchr( device + 4, ',' );
262 return entry.vfs_special;
269 static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino )
271 struct mntent *entry;
275 while ((entry = getmntent( f )))
277 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
278 if (!strcmp( entry->mnt_type, "nfs" ) ||
279 !strcmp( entry->mnt_type, "smbfs" ) ||
280 !strcmp( entry->mnt_type, "ncpfs" )) continue;
282 if (stat( entry->mnt_dir, &st ) == -1) continue;
283 if (st.st_dev != dev || st.st_ino != ino) continue;
284 if (!strcmp( entry->mnt_type, "supermount" ))
286 if ((device = strstr( entry->mnt_opts, "dev=" )))
288 char *p = strchr( device + 4, ',' );
293 else if (!stat( entry->mnt_fsname, &st ) && S_ISREG(st.st_mode))
295 /* if device is a regular file check for a loop mount */
296 if ((device = strstr( entry->mnt_opts, "loop=" )))
298 char *p = strchr( device + 5, ',' );
304 return entry->mnt_fsname;
310 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
312 static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino )
317 while ((entry = getfsent()))
319 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
320 if (!strcmp( entry->fs_vfstype, "nfs" ) ||
321 !strcmp( entry->fs_vfstype, "smbfs" ) ||
322 !strcmp( entry->fs_vfstype, "ncpfs" )) continue;
324 if (stat( entry->fs_file, &st ) == -1) continue;
325 if (st.st_dev != dev || st.st_ino != ino) continue;
326 return entry->fs_spec;
333 #include <sys/mnttab.h>
334 static char *parse_mount_entries( FILE *f, dev_t dev, ino_t ino )
341 while (( ! getmntent( f, &entry) ))
343 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
344 if (!strcmp( entry.mnt_fstype, "nfs" ) ||
345 !strcmp( entry.mnt_fstype, "smbfs" ) ||
346 !strcmp( entry.mnt_fstype, "ncpfs" )) continue;
348 if (stat( entry.mnt_mountp, &st ) == -1) continue;
349 if (st.st_dev != dev || st.st_ino != ino) continue;
350 if (!strcmp( entry.mnt_fstype, "fd" ))
352 if ((device = strstr( entry.mnt_mntopts, "dev=" )))
354 char *p = strchr( device + 4, ',' );
360 return entry.mnt_special;
366 /***********************************************************************
367 * get_default_drive_device
369 * Return the default device to use for a given drive mount point.
371 static char *get_default_drive_device( const char *root )
381 /* try to open it first to force it to get mounted */
382 if ((fd = open( root, O_RDONLY | O_DIRECTORY )) != -1)
384 res = fstat( fd, &st );
387 /* now try normal stat just in case */
388 if (res == -1) res = stat( root, &st );
389 if (res == -1) return NULL;
391 RtlEnterCriticalSection( &dir_section );
393 if ((f = fopen( "/etc/mtab", "r" )))
395 device = parse_mount_entries( f, st.st_dev, st.st_ino );
398 /* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
399 if (!device && (f = fopen( "/etc/fstab", "r" )))
401 device = parse_mount_entries( f, st.st_dev, st.st_ino );
406 ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 );
407 if (ret) strcpy( ret, device );
409 RtlLeaveCriticalSection( &dir_section );
411 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__ )
416 /* try to open it first to force it to get mounted */
417 if ((fd = open( root, O_RDONLY )) != -1)
419 res = fstat( fd, &st );
422 /* now try normal stat just in case */
423 if (res == -1) res = stat( root, &st );
424 if (res == -1) return NULL;
426 RtlEnterCriticalSection( &dir_section );
428 /* The FreeBSD parse_mount_entries doesn't require a file argument, so just
429 * pass NULL. Leave the argument in for symmetry.
431 device = parse_mount_entries( NULL, st.st_dev, st.st_ino );
434 ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 );
435 if (ret) strcpy( ret, device );
437 RtlLeaveCriticalSection( &dir_section );
445 /* try to open it first to force it to get mounted */
446 if ((fd = open( root, O_RDONLY )) != -1)
448 res = fstat( fd, &st );
451 /* now try normal stat just in case */
452 if (res == -1) res = stat( root, &st );
453 if (res == -1) return NULL;
455 RtlEnterCriticalSection( &dir_section );
457 if ((f = fopen( "/etc/mnttab", "r" )))
459 device = parse_mount_entries( f, st.st_dev, st.st_ino);
462 /* look through fstab too in case it's not mounted (for instance if it's an audio CD) */
463 if (!device && (f = fopen( "/etc/vfstab", "r" )))
465 device = parse_vfstab_entries( f, st.st_dev, st.st_ino );
470 ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(device) + 1 );
471 if (ret) strcpy( ret, device );
473 RtlLeaveCriticalSection( &dir_section );
475 #elif defined(__APPLE__)
476 struct statfs *mntStat;
482 static const char path_bsd_device[] = "/dev/disk";
485 res = stat( root, &st );
486 if (res == -1) return NULL;
491 RtlEnterCriticalSection( &dir_section );
493 mntSize = getmntinfo(&mntStat, MNT_NOWAIT);
495 for (i = 0; i < mntSize && !ret; i++)
497 if (stat(mntStat[i].f_mntonname, &st ) == -1) continue;
498 if (st.st_dev != dev || st.st_ino != ino) continue;
500 /* FIXME add support for mounted network drive */
501 if ( strncmp(mntStat[i].f_mntfromname, path_bsd_device, strlen(path_bsd_device)) == 0)
503 /* set return value to the corresponding raw BSD node */
504 ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(mntStat[i].f_mntfromname) + 2 /* 2 : r and \0 */ );
507 strcpy(ret, "/dev/r");
508 strcat(ret, mntStat[i].f_mntfromname+sizeof("/dev/")-1);
512 RtlLeaveCriticalSection( &dir_section );
515 if (!warned++) FIXME( "auto detection of DOS devices not supported on this platform\n" );
521 /***********************************************************************
522 * get_device_mount_point
524 * Return the current mount point for a device.
526 static char *get_device_mount_point( dev_t dev )
533 RtlEnterCriticalSection( &dir_section );
535 if ((f = fopen( "/etc/mtab", "r" )))
537 struct mntent *entry;
541 while ((entry = getmntent( f )))
543 /* don't even bother stat'ing network mounts, there's no meaningful device anyway */
544 if (!strcmp( entry->mnt_type, "nfs" ) ||
545 !strcmp( entry->mnt_type, "smbfs" ) ||
546 !strcmp( entry->mnt_type, "ncpfs" )) continue;
548 if (!strcmp( entry->mnt_type, "supermount" ))
550 if ((device = strstr( entry->mnt_opts, "dev=" )))
553 if ((p = strchr( device, ',' ))) *p = 0;
556 else if (!stat( entry->mnt_fsname, &st ) && S_ISREG(st.st_mode))
558 /* if device is a regular file check for a loop mount */
559 if ((device = strstr( entry->mnt_opts, "loop=" )))
562 if ((p = strchr( device, ',' ))) *p = 0;
565 else device = entry->mnt_fsname;
567 if (device && !stat( device, &st ) && S_ISBLK(st.st_mode) && st.st_rdev == dev)
569 ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(entry->mnt_dir) + 1 );
570 if (ret) strcpy( ret, entry->mnt_dir );
576 RtlLeaveCriticalSection( &dir_section );
577 #elif defined(__APPLE__)
578 struct statfs *entry;
582 RtlEnterCriticalSection( &dir_section );
584 size = getmntinfo( &entry, MNT_NOWAIT );
585 for (i = 0; i < size; i++)
587 if (stat( entry[i].f_mntfromname, &st ) == -1) continue;
588 if (S_ISBLK(st.st_mode) && st.st_rdev == dev)
590 ret = RtlAllocateHeap( GetProcessHeap(), 0, strlen(entry[i].f_mntfromname) + 1 );
591 if (ret) strcpy( ret, entry[i].f_mntfromname );
595 RtlLeaveCriticalSection( &dir_section );
598 if (!warned++) FIXME( "unmounting devices not supported on this platform\n" );
604 /***********************************************************************
607 * Initialize the show_dot_files options.
609 static void init_options(void)
611 static const WCHAR WineW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e',0};
612 static const WCHAR ShowDotFilesW[] = {'S','h','o','w','D','o','t','F','i','l','e','s',0};
616 OBJECT_ATTRIBUTES attr;
617 UNICODE_STRING nameW;
621 RtlOpenCurrentUser( KEY_ALL_ACCESS, &root );
622 attr.Length = sizeof(attr);
623 attr.RootDirectory = root;
624 attr.ObjectName = &nameW;
626 attr.SecurityDescriptor = NULL;
627 attr.SecurityQualityOfService = NULL;
628 RtlInitUnicodeString( &nameW, WineW );
630 /* @@ Wine registry key: HKCU\Software\Wine */
631 if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ))
633 RtlInitUnicodeString( &nameW, ShowDotFilesW );
634 if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy ))
636 WCHAR *str = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
637 show_dot_files = IS_OPTION_TRUE( str[0] );
645 /***********************************************************************
648 * Check if the specified file should be hidden based on its name and the show dot files option.
650 BOOL DIR_is_hidden_file( const UNICODE_STRING *name )
654 if (show_dot_files == -1) init_options();
655 if (show_dot_files) return FALSE;
657 end = p = name->Buffer + name->Length/sizeof(WCHAR);
658 while (p > name->Buffer && IS_SEPARATOR(p[-1])) p--;
659 while (p > name->Buffer && !IS_SEPARATOR(p[-1])) p--;
660 if (p == end || *p != '.') return FALSE;
661 /* make sure it isn't '.' or '..' */
662 if (p + 1 == end) return FALSE;
663 if (p[1] == '.' && p + 2 == end) return FALSE;
668 /***********************************************************************
669 * hash_short_file_name
671 * Transform a Unix file name into a hashed DOS name. If the name is a valid
672 * DOS name, it is converted to upper-case; otherwise it is replaced by a
673 * hashed version that fits in 8.3 format.
674 * 'buffer' must be at least 12 characters long.
675 * Returns length of short name in bytes; short name is NOT null-terminated.
677 static ULONG hash_short_file_name( const UNICODE_STRING *name, LPWSTR buffer )
679 static const char hash_chars[32] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345";
681 LPCWSTR p, ext, end = name->Buffer + name->Length / sizeof(WCHAR);
686 /* Compute the hash code of the file name */
687 /* If you know something about hash functions, feel free to */
688 /* insert a better algorithm here... */
689 if (!is_case_sensitive)
691 for (p = name->Buffer, hash = 0xbeef; p < end - 1; p++)
692 hash = (hash<<3) ^ (hash>>5) ^ tolowerW(*p) ^ (tolowerW(p[1]) << 8);
693 hash = (hash<<3) ^ (hash>>5) ^ tolowerW(*p); /* Last character */
697 for (p = name->Buffer, hash = 0xbeef; p < end - 1; p++)
698 hash = (hash << 3) ^ (hash >> 5) ^ *p ^ (p[1] << 8);
699 hash = (hash << 3) ^ (hash >> 5) ^ *p; /* Last character */
702 /* Find last dot for start of the extension */
703 for (p = name->Buffer + 1, ext = NULL; p < end - 1; p++) if (*p == '.') ext = p;
705 /* Copy first 4 chars, replacing invalid chars with '_' */
706 for (i = 4, p = name->Buffer, dst = buffer; i > 0; i--, p++)
708 if (p == end || p == ext) break;
709 *dst++ = is_invalid_dos_char(*p) ? '_' : toupperW(*p);
711 /* Pad to 5 chars with '~' */
712 while (i-- >= 0) *dst++ = '~';
714 /* Insert hash code converted to 3 ASCII chars */
715 *dst++ = hash_chars[(hash >> 10) & 0x1f];
716 *dst++ = hash_chars[(hash >> 5) & 0x1f];
717 *dst++ = hash_chars[hash & 0x1f];
719 /* Copy the first 3 chars of the extension (if any) */
723 for (i = 3, ext++; (i > 0) && ext < end; i--, ext++)
724 *dst++ = is_invalid_dos_char(*ext) ? '_' : toupperW(*ext);
730 /***********************************************************************
733 * Check a long file name against a mask.
735 * Tests (done in W95 DOS shell - case insensitive):
736 * *.txt test1.test.txt *
738 * *.t??????.t* test1.ta.tornado.txt *
739 * *tornado* test1.ta.tornado.txt *
740 * t*t test1.ta.tornado.txt *
742 * ?est??? test1.txt -
743 * *test1.txt* test1.txt *
744 * h?l?o*t.dat hellothisisatest.dat *
746 static BOOLEAN match_filename( const UNICODE_STRING *name_str, const UNICODE_STRING *mask_str )
749 const WCHAR *name = name_str->Buffer;
750 const WCHAR *mask = mask_str->Buffer;
751 const WCHAR *name_end = name + name_str->Length / sizeof(WCHAR);
752 const WCHAR *mask_end = mask + mask_str->Length / sizeof(WCHAR);
753 const WCHAR *lastjoker = NULL;
754 const WCHAR *next_to_retry = NULL;
756 TRACE("(%s, %s)\n", debugstr_us(name_str), debugstr_us(mask_str));
758 while (name < name_end && mask < mask_end)
764 while (mask < mask_end && *mask == '*') mask++; /* Skip consecutive '*' */
765 if (mask == mask_end) return TRUE; /* end of mask is all '*', so match */
768 /* skip to the next match after the joker(s) */
769 if (is_case_sensitive)
770 while (name < name_end && (*name != *mask)) name++;
772 while (name < name_end && (toupperW(*name) != toupperW(*mask))) name++;
773 next_to_retry = name;
780 if (is_case_sensitive) mismatch = (*mask != *name);
781 else mismatch = (toupperW(*mask) != toupperW(*name));
787 if (mask == mask_end)
789 if (name == name_end) return TRUE;
790 if (lastjoker) mask = lastjoker;
793 else /* mismatch ! */
795 if (lastjoker) /* we had an '*', so we can try unlimitedly */
799 /* this scan sequence was a mismatch, so restart
800 * 1 char after the first char we checked last time */
802 name = next_to_retry;
804 else return FALSE; /* bad luck */
809 while (mask < mask_end && ((*mask == '.') || (*mask == '*')))
810 mask++; /* Ignore trailing '.' or '*' in mask */
811 return (name == name_end && mask == mask_end);
815 /***********************************************************************
818 * helper for NtQueryDirectoryFile
820 static FILE_BOTH_DIR_INFORMATION *append_entry( void *info_ptr, ULONG_PTR *pos, ULONG max_length,
821 const char *long_name, const char *short_name,
822 const UNICODE_STRING *mask )
824 FILE_BOTH_DIR_INFORMATION *info;
825 int i, long_len, short_len, total_len;
827 WCHAR long_nameW[MAX_DIR_ENTRY_LEN];
828 WCHAR short_nameW[12];
831 long_len = ntdll_umbstowcs( 0, long_name, strlen(long_name), long_nameW, MAX_DIR_ENTRY_LEN );
832 if (long_len == -1) return NULL;
834 str.Buffer = long_nameW;
835 str.Length = long_len * sizeof(WCHAR);
836 str.MaximumLength = sizeof(long_nameW);
840 short_len = ntdll_umbstowcs( 0, short_name, strlen(short_name),
841 short_nameW, sizeof(short_nameW) / sizeof(WCHAR) );
842 if (short_len == -1) short_len = sizeof(short_nameW) / sizeof(WCHAR);
844 else /* generate a short name if necessary */
849 if (!RtlIsNameLegalDOS8Dot3( &str, NULL, &spaces ) || spaces)
850 short_len = hash_short_file_name( &str, short_nameW );
853 TRACE( "long %s short %s mask %s\n",
854 debugstr_us(&str), debugstr_wn(short_nameW, short_len), debugstr_us(mask) );
856 if (mask && !match_filename( &str, mask ))
858 if (!short_len) return NULL; /* no short name to match */
859 str.Buffer = short_nameW;
860 str.Length = short_len * sizeof(WCHAR);
861 str.MaximumLength = sizeof(short_nameW);
862 if (!match_filename( &str, mask )) return NULL;
865 total_len = (sizeof(*info) - sizeof(info->FileName) + long_len*sizeof(WCHAR) + 3) & ~3;
866 info = (FILE_BOTH_DIR_INFORMATION *)((char *)info_ptr + *pos);
868 if (*pos + total_len > max_length) total_len = max_length - *pos;
870 info->FileAttributes = 0;
871 if (lstat( long_name, &st ) == -1) return NULL;
872 if (S_ISLNK( st.st_mode ))
874 if (stat( long_name, &st ) == -1) return NULL;
875 if (S_ISDIR( st.st_mode )) info->FileAttributes |= FILE_ATTRIBUTE_REPARSE_POINT;
878 info->NextEntryOffset = total_len;
879 info->FileIndex = 0; /* NTFS always has 0 here, so let's not bother with it */
881 RtlSecondsSince1970ToTime( st.st_mtime, &info->CreationTime );
882 RtlSecondsSince1970ToTime( st.st_mtime, &info->LastWriteTime );
883 RtlSecondsSince1970ToTime( st.st_atime, &info->LastAccessTime );
884 RtlSecondsSince1970ToTime( st.st_ctime, &info->ChangeTime );
886 if (S_ISDIR(st.st_mode))
888 info->EndOfFile.QuadPart = info->AllocationSize.QuadPart = 0;
889 info->FileAttributes |= FILE_ATTRIBUTE_DIRECTORY;
893 info->EndOfFile.QuadPart = st.st_size;
894 info->AllocationSize.QuadPart = (ULONGLONG)st.st_blocks * 512;
895 info->FileAttributes |= FILE_ATTRIBUTE_ARCHIVE;
898 if (!(st.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH)))
899 info->FileAttributes |= FILE_ATTRIBUTE_READONLY;
901 if (!show_dot_files && long_name[0] == '.' && long_name[1] && (long_name[1] != '.' || long_name[2]))
902 info->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
904 info->EaSize = 0; /* FIXME */
905 info->ShortNameLength = short_len * sizeof(WCHAR);
906 for (i = 0; i < short_len; i++) info->ShortName[i] = toupperW(short_nameW[i]);
907 info->FileNameLength = long_len * sizeof(WCHAR);
908 memcpy( info->FileName, long_nameW,
909 min( info->FileNameLength, total_len-sizeof(*info)+sizeof(info->FileName) ));
916 #ifdef VFAT_IOCTL_READDIR_BOTH
918 /***********************************************************************
921 * Wrapper for the VFAT ioctl to work around various kernel bugs.
922 * dir_section must be held by caller.
924 static KERNEL_DIRENT *start_vfat_ioctl( int fd )
926 static KERNEL_DIRENT *de;
931 const size_t page_size = getpagesize();
932 SIZE_T size = 2 * sizeof(*de) + page_size;
935 if (NtAllocateVirtualMemory( GetCurrentProcess(), &addr, 1, &size, MEM_RESERVE, PAGE_READWRITE ))
937 /* commit only the size needed for the dir entries */
938 /* this leaves an extra unaccessible page, which should make the kernel */
939 /* fail with -EFAULT before it stomps all over our memory */
941 size = 2 * sizeof(*de);
942 NtAllocateVirtualMemory( GetCurrentProcess(), &addr, 1, &size, MEM_COMMIT, PAGE_READWRITE );
945 /* set d_reclen to 65535 to work around an AFS kernel bug */
946 de[0].d_reclen = 65535;
947 res = ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de );
950 if (errno != ENOENT) return NULL; /* VFAT ioctl probably not supported */
951 de[0].d_reclen = 0; /* eof */
953 else if (!res && de[0].d_reclen == 65535) return NULL; /* AFS bug */
959 /***********************************************************************
960 * read_directory_vfat
962 * Read a directory using the VFAT ioctl; helper for NtQueryDirectoryFile.
964 static int read_directory_vfat( int fd, IO_STATUS_BLOCK *io, void *buffer, ULONG length,
965 BOOLEAN single_entry, const UNICODE_STRING *mask,
966 BOOLEAN restart_scan )
971 FILE_BOTH_DIR_INFORMATION *info, *last_info = NULL;
973 io->u.Status = STATUS_SUCCESS;
975 if (restart_scan) lseek( fd, 0, SEEK_SET );
977 if (length < max_dir_info_size) /* we may have to return a partial entry here */
979 off_t old_pos = lseek( fd, 0, SEEK_CUR );
981 if (!(de = start_vfat_ioctl( fd ))) return -1; /* not supported */
983 while (de[0].d_reclen)
985 /* make sure names are null-terminated to work around an x86-64 kernel bug */
986 len = min(de[0].d_reclen, sizeof(de[0].d_name) - 1 );
987 de[0].d_name[len] = 0;
988 len = min(de[1].d_reclen, sizeof(de[1].d_name) - 1 );
989 de[1].d_name[len] = 0;
992 info = append_entry( buffer, &io->Information, length,
993 de[1].d_name, de[0].d_name, mask );
995 info = append_entry( buffer, &io->Information, length,
996 de[0].d_name, NULL, mask );
1000 if ((char *)info->FileName + info->FileNameLength > (char *)buffer + length)
1002 io->u.Status = STATUS_BUFFER_OVERFLOW;
1003 lseek( fd, old_pos, SEEK_SET ); /* restore pos to previous entry */
1007 old_pos = lseek( fd, 0, SEEK_CUR );
1008 if (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de ) == -1) break;
1011 else /* we'll only return full entries, no need to worry about overflow */
1013 if (!(de = start_vfat_ioctl( fd ))) return -1; /* not supported */
1015 while (de[0].d_reclen)
1017 /* make sure names are null-terminated to work around an x86-64 kernel bug */
1018 len = min(de[0].d_reclen, sizeof(de[0].d_name) - 1 );
1019 de[0].d_name[len] = 0;
1020 len = min(de[1].d_reclen, sizeof(de[1].d_name) - 1 );
1021 de[1].d_name[len] = 0;
1023 if (de[1].d_name[0])
1024 info = append_entry( buffer, &io->Information, length,
1025 de[1].d_name, de[0].d_name, mask );
1027 info = append_entry( buffer, &io->Information, length,
1028 de[0].d_name, NULL, mask );
1032 if (single_entry) break;
1033 /* check if we still have enough space for the largest possible entry */
1034 if (io->Information + max_dir_info_size > length) break;
1036 if (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de ) == -1) break;
1040 if (last_info) last_info->NextEntryOffset = 0;
1041 else io->u.Status = restart_scan ? STATUS_NO_SUCH_FILE : STATUS_NO_MORE_FILES;
1044 #endif /* VFAT_IOCTL_READDIR_BOTH */
1047 /***********************************************************************
1048 * read_directory_getdents
1050 * Read a directory using the Linux getdents64 system call; helper for NtQueryDirectoryFile.
1053 static int read_directory_getdents( int fd, IO_STATUS_BLOCK *io, void *buffer, ULONG length,
1054 BOOLEAN single_entry, const UNICODE_STRING *mask,
1055 BOOLEAN restart_scan )
1058 size_t size = length;
1059 int res, fake_dot_dot = 1;
1060 char *data, local_buffer[8192];
1061 KERNEL_DIRENT64 *de;
1062 FILE_BOTH_DIR_INFORMATION *info, *last_info = NULL;
1064 if (size <= sizeof(local_buffer) || !(data = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1066 size = sizeof(local_buffer);
1067 data = local_buffer;
1070 if (restart_scan) lseek( fd, 0, SEEK_SET );
1071 else if (length < max_dir_info_size) /* we may have to return a partial entry here */
1073 old_pos = lseek( fd, 0, SEEK_CUR );
1074 if (old_pos == -1 && errno == ENOENT)
1076 io->u.Status = STATUS_NO_MORE_FILES;
1082 io->u.Status = STATUS_SUCCESS;
1084 res = getdents64( fd, data, size );
1087 if (errno != ENOSYS)
1089 io->u.Status = FILE_GetNtStatus();
1095 de = (KERNEL_DIRENT64 *)data;
1099 /* check if we got . and .. from getdents */
1102 if (!strcmp( de->d_name, "." ) && res > de->d_reclen)
1104 KERNEL_DIRENT64 *next_de = (KERNEL_DIRENT64 *)(data + de->d_reclen);
1105 if (!strcmp( next_de->d_name, ".." )) fake_dot_dot = 0;
1108 /* make sure we have enough room for both entries */
1111 static const ULONG min_info_size = (FIELD_OFFSET(FILE_BOTH_DIR_INFORMATION, FileName[1]) +
1112 FIELD_OFFSET(FILE_BOTH_DIR_INFORMATION, FileName[2]) + 3) & ~3;
1113 if (length < min_info_size || single_entry)
1115 FIXME( "not enough room %u/%u for fake . and .. entries\n", length, single_entry );
1122 if ((info = append_entry( buffer, &io->Information, length, ".", NULL, mask )))
1124 if ((info = append_entry( buffer, &io->Information, length, "..", NULL, mask )))
1127 /* check if we still have enough space for the largest possible entry */
1128 if (last_info && io->Information + max_dir_info_size > length)
1130 lseek( fd, 0, SEEK_SET ); /* reset pos to first entry */
1138 res -= de->d_reclen;
1139 if (!(fake_dot_dot && (!strcmp( de->d_name, "." ) || !strcmp( de->d_name, ".." ))) &&
1140 (info = append_entry( buffer, &io->Information, length, de->d_name, NULL, mask )))
1143 if ((char *)info->FileName + info->FileNameLength > (char *)buffer + length)
1145 io->u.Status = STATUS_BUFFER_OVERFLOW;
1146 lseek( fd, old_pos, SEEK_SET ); /* restore pos to previous entry */
1149 /* check if we still have enough space for the largest possible entry */
1150 if (single_entry || io->Information + max_dir_info_size > length)
1152 if (res > 0) lseek( fd, de->d_off, SEEK_SET ); /* set pos to next entry */
1156 old_pos = de->d_off;
1157 /* move on to the next entry */
1158 if (res > 0) de = (KERNEL_DIRENT64 *)((char *)de + de->d_reclen);
1161 res = getdents64( fd, data, size );
1162 de = (KERNEL_DIRENT64 *)data;
1166 if (last_info) last_info->NextEntryOffset = 0;
1167 else io->u.Status = restart_scan ? STATUS_NO_SUCH_FILE : STATUS_NO_MORE_FILES;
1170 if (data != local_buffer) RtlFreeHeap( GetProcessHeap(), 0, data );
1174 #elif defined HAVE_GETDIRENTRIES
1176 /***********************************************************************
1177 * read_directory_getdirentries
1179 * Read a directory using the BSD getdirentries system call; helper for NtQueryDirectoryFile.
1181 static int read_directory_getdirentries( int fd, IO_STATUS_BLOCK *io, void *buffer, ULONG length,
1182 BOOLEAN single_entry, const UNICODE_STRING *mask,
1183 BOOLEAN restart_scan )
1186 ULONG_PTR restart_info_pos = 0;
1187 size_t size, initial_size = length;
1188 int res, fake_dot_dot = 1;
1189 char *data, local_buffer[8192];
1191 FILE_BOTH_DIR_INFORMATION *info, *last_info = NULL, *restart_last_info = NULL;
1193 size = initial_size;
1194 data = local_buffer;
1195 if (size > sizeof(local_buffer) && !(data = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1197 io->u.Status = STATUS_NO_MEMORY;
1198 return io->u.Status;
1201 if (restart_scan) lseek( fd, 0, SEEK_SET );
1203 io->u.Status = STATUS_SUCCESS;
1205 /* FIXME: should make sure size is larger than filesystem block size */
1206 res = getdirentries( fd, data, size, &restart_pos );
1209 io->u.Status = FILE_GetNtStatus();
1214 de = (struct dirent *)data;
1218 /* check if we got . and .. from getdirentries */
1221 if (!strcmp( de->d_name, "." ) && res > de->d_reclen)
1223 struct dirent *next_de = (struct dirent *)(data + de->d_reclen);
1224 if (!strcmp( next_de->d_name, ".." )) fake_dot_dot = 0;
1227 /* make sure we have enough room for both entries */
1230 static const ULONG min_info_size = (FIELD_OFFSET(FILE_BOTH_DIR_INFORMATION, FileName[1]) +
1231 FIELD_OFFSET(FILE_BOTH_DIR_INFORMATION, FileName[2]) + 3) & ~3;
1232 if (length < min_info_size || single_entry)
1234 FIXME( "not enough room %u/%u for fake . and .. entries\n", length, single_entry );
1241 if ((info = append_entry( buffer, &io->Information, length, ".", NULL, mask )))
1243 if ((info = append_entry( buffer, &io->Information, length, "..", NULL, mask )))
1246 restart_last_info = last_info;
1247 restart_info_pos = io->Information;
1249 /* check if we still have enough space for the largest possible entry */
1250 if (last_info && io->Information + max_dir_info_size > length)
1252 lseek( fd, 0, SEEK_SET ); /* reset pos to first entry */
1260 res -= de->d_reclen;
1262 !(fake_dot_dot && (!strcmp( de->d_name, "." ) || !strcmp( de->d_name, ".." ))) &&
1263 ((info = append_entry( buffer, &io->Information, length, de->d_name, NULL, mask ))))
1266 if ((char *)info->FileName + info->FileNameLength > (char *)buffer + length)
1268 lseek( fd, (unsigned long)restart_pos, SEEK_SET );
1269 if (restart_info_pos) /* if we have a complete read already, return it */
1271 io->Information = restart_info_pos;
1272 last_info = restart_last_info;
1275 /* otherwise restart from the start with a smaller size */
1276 size = (char *)de - data;
1279 io->u.Status = STATUS_BUFFER_OVERFLOW;
1282 io->Information = 0;
1286 /* if we have to return but the buffer contains more data, restart with a smaller size */
1287 if (res > 0 && (single_entry || io->Information + max_dir_info_size > length))
1289 lseek( fd, (unsigned long)restart_pos, SEEK_SET );
1290 size = (char *)de - data;
1291 io->Information = restart_info_pos;
1292 last_info = restart_last_info;
1296 /* move on to the next entry */
1299 de = (struct dirent *)((char *)de + de->d_reclen);
1302 if (size < initial_size) break; /* already restarted once, give up now */
1303 size = min( size, length - io->Information );
1304 /* if size is too small don't bother to continue */
1305 if (size < max_dir_info_size && last_info) break;
1306 restart_last_info = last_info;
1307 restart_info_pos = io->Information;
1309 res = getdirentries( fd, data, size, &restart_pos );
1310 de = (struct dirent *)data;
1313 if (last_info) last_info->NextEntryOffset = 0;
1314 else io->u.Status = restart_scan ? STATUS_NO_SUCH_FILE : STATUS_NO_MORE_FILES;
1317 if (data != local_buffer) RtlFreeHeap( GetProcessHeap(), 0, data );
1320 #endif /* HAVE_GETDIRENTRIES */
1323 /***********************************************************************
1324 * read_directory_readdir
1326 * Read a directory using the POSIX readdir interface; helper for NtQueryDirectoryFile.
1328 static void read_directory_readdir( int fd, IO_STATUS_BLOCK *io, void *buffer, ULONG length,
1329 BOOLEAN single_entry, const UNICODE_STRING *mask,
1330 BOOLEAN restart_scan )
1333 off_t i, old_pos = 0;
1335 FILE_BOTH_DIR_INFORMATION *info, *last_info = NULL;
1337 if (!(dir = opendir( "." )))
1339 io->u.Status = FILE_GetNtStatus();
1345 old_pos = lseek( fd, 0, SEEK_CUR );
1346 /* skip the right number of entries */
1347 for (i = 0; i < old_pos - 2; i++)
1349 if (!readdir( dir ))
1352 io->u.Status = STATUS_NO_MORE_FILES;
1357 io->u.Status = STATUS_SUCCESS;
1362 info = append_entry( buffer, &io->Information, length, ".", NULL, mask );
1363 else if (old_pos == 1)
1364 info = append_entry( buffer, &io->Information, length, "..", NULL, mask );
1365 else if ((de = readdir( dir )))
1367 if (strcmp( de->d_name, "." ) && strcmp( de->d_name, ".." ))
1368 info = append_entry( buffer, &io->Information, length, de->d_name, NULL, mask );
1378 if ((char *)info->FileName + info->FileNameLength > (char *)buffer + length)
1380 io->u.Status = STATUS_BUFFER_OVERFLOW;
1381 old_pos--; /* restore pos to previous entry */
1384 if (single_entry) break;
1385 /* check if we still have enough space for the largest possible entry */
1386 if (io->Information + max_dir_info_size > length) break;
1390 lseek( fd, old_pos, SEEK_SET ); /* store dir offset as filepos for fd */
1393 if (last_info) last_info->NextEntryOffset = 0;
1394 else io->u.Status = restart_scan ? STATUS_NO_SUCH_FILE : STATUS_NO_MORE_FILES;
1397 /***********************************************************************
1398 * read_directory_stat
1400 * Read a single file from a directory by determining whether the file
1401 * identified by mask exists using stat.
1403 static int read_directory_stat( int fd, IO_STATUS_BLOCK *io, void *buffer, ULONG length,
1404 BOOLEAN single_entry, const UNICODE_STRING *mask,
1405 BOOLEAN restart_scan )
1407 int unix_len, ret, used_default;
1411 TRACE("trying optimisation for file %s\n", debugstr_us( mask ));
1413 unix_len = ntdll_wcstoumbs( 0, mask->Buffer, mask->Length / sizeof(WCHAR), NULL, 0, NULL, NULL );
1414 if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, unix_len + 1)))
1416 io->u.Status = STATUS_NO_MEMORY;
1419 ret = ntdll_wcstoumbs( 0, mask->Buffer, mask->Length / sizeof(WCHAR), unix_name, unix_len,
1420 NULL, &used_default );
1421 if (ret > 0 && !used_default)
1426 lseek( fd, 0, SEEK_SET );
1428 else if (lseek( fd, 0, SEEK_CUR ) != 0)
1430 io->u.Status = STATUS_NO_MORE_FILES;
1435 ret = stat( unix_name, &st );
1438 FILE_BOTH_DIR_INFORMATION *info = append_entry( buffer, &io->Information, length, unix_name, NULL, mask );
1441 info->NextEntryOffset = 0;
1442 if ((char *)info->FileName + info->FileNameLength > (char *)buffer + length)
1443 io->u.Status = STATUS_BUFFER_OVERFLOW;
1445 lseek( fd, 1, SEEK_CUR );
1452 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
1454 TRACE("returning %d\n", ret);
1460 static inline WCHAR *mempbrkW( const WCHAR *ptr, const WCHAR *accept, size_t n )
1463 for (end = ptr + n; ptr < end; ptr++) if (strchrW( accept, *ptr )) return (WCHAR *)ptr;
1467 /******************************************************************************
1468 * NtQueryDirectoryFile [NTDLL.@]
1469 * ZwQueryDirectoryFile [NTDLL.@]
1471 NTSTATUS WINAPI NtQueryDirectoryFile( HANDLE handle, HANDLE event,
1472 PIO_APC_ROUTINE apc_routine, PVOID apc_context,
1473 PIO_STATUS_BLOCK io,
1474 PVOID buffer, ULONG length,
1475 FILE_INFORMATION_CLASS info_class,
1476 BOOLEAN single_entry,
1477 PUNICODE_STRING mask,
1478 BOOLEAN restart_scan )
1480 int cwd, fd, needs_close;
1481 static const WCHAR wszWildcards[] = { '*','?',0 };
1483 TRACE("(%p %p %p %p %p %p 0x%08x 0x%08x 0x%08x %s 0x%08x\n",
1484 handle, event, apc_routine, apc_context, io, buffer,
1485 length, info_class, single_entry, debugstr_us(mask),
1488 if (length < sizeof(FILE_BOTH_DIR_INFORMATION)) return STATUS_INFO_LENGTH_MISMATCH;
1490 if (event || apc_routine)
1492 FIXME( "Unsupported yet option\n" );
1493 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1495 if (info_class != FileBothDirectoryInformation)
1497 FIXME( "Unsupported file info class %d\n", info_class );
1498 return io->u.Status = STATUS_NOT_IMPLEMENTED;
1501 if ((io->u.Status = server_get_unix_fd( handle, FILE_LIST_DIRECTORY, &fd, &needs_close, NULL, NULL )) != STATUS_SUCCESS)
1502 return io->u.Status;
1504 io->Information = 0;
1506 RtlEnterCriticalSection( &dir_section );
1508 if (show_dot_files == -1) init_options();
1510 if ((cwd = open(".", O_RDONLY)) != -1 && fchdir( fd ) != -1)
1512 #ifdef VFAT_IOCTL_READDIR_BOTH
1513 if ((read_directory_vfat( fd, io, buffer, length, single_entry, mask, restart_scan )) != -1)
1516 if (mask && !mempbrkW( mask->Buffer, wszWildcards, mask->Length / sizeof(WCHAR) ) &&
1517 read_directory_stat( fd, io, buffer, length, single_entry, mask, restart_scan ) != -1)
1520 if ((read_directory_getdents( fd, io, buffer, length, single_entry, mask, restart_scan )) != -1)
1522 #elif defined HAVE_GETDIRENTRIES
1523 if ((read_directory_getdirentries( fd, io, buffer, length, single_entry, mask, restart_scan )) != -1)
1526 read_directory_readdir( fd, io, buffer, length, single_entry, mask, restart_scan );
1529 if (fchdir( cwd ) == -1) chdir( "/" );
1531 else io->u.Status = FILE_GetNtStatus();
1533 RtlLeaveCriticalSection( &dir_section );
1535 if (needs_close) close( fd );
1536 if (cwd != -1) close( cwd );
1537 TRACE( "=> %x (%ld)\n", io->u.Status, io->Information );
1538 return io->u.Status;
1542 /***********************************************************************
1545 * Find a file in a directory the hard way, by doing a case-insensitive search.
1546 * The file found is appended to unix_name at pos.
1547 * There must be at least MAX_DIR_ENTRY_LEN+2 chars available at pos.
1549 static NTSTATUS find_file_in_dir( char *unix_name, int pos, const WCHAR *name, int length,
1552 WCHAR buffer[MAX_DIR_ENTRY_LEN];
1558 int ret, used_default, is_name_8_dot_3;
1560 /* try a shortcut for this directory */
1562 unix_name[pos++] = '/';
1563 ret = ntdll_wcstoumbs( 0, name, length, unix_name + pos, MAX_DIR_ENTRY_LEN,
1564 NULL, &used_default );
1565 /* if we used the default char, the Unix name won't round trip properly back to Unicode */
1566 /* so it cannot match the file we are looking for */
1567 if (ret >= 0 && !used_default)
1569 unix_name[pos + ret] = 0;
1570 if (!stat( unix_name, &st )) return STATUS_SUCCESS;
1572 if (check_case) goto not_found; /* we want an exact match */
1574 if (pos > 1) unix_name[pos - 1] = 0;
1575 else unix_name[1] = 0; /* keep the initial slash */
1577 /* check if it fits in 8.3 so that we don't look for short names if we won't need them */
1579 str.Buffer = (WCHAR *)name;
1580 str.Length = length * sizeof(WCHAR);
1581 str.MaximumLength = str.Length;
1582 is_name_8_dot_3 = RtlIsNameLegalDOS8Dot3( &str, NULL, &spaces ) && !spaces;
1584 /* now look for it through the directory */
1586 #ifdef VFAT_IOCTL_READDIR_BOTH
1587 if (is_name_8_dot_3)
1589 int fd = open( unix_name, O_RDONLY | O_DIRECTORY );
1594 RtlEnterCriticalSection( &dir_section );
1595 if ((de = start_vfat_ioctl( fd )))
1597 unix_name[pos - 1] = '/';
1598 while (de[0].d_reclen)
1600 /* make sure names are null-terminated to work around an x86-64 kernel bug */
1601 size_t len = min(de[0].d_reclen, sizeof(de[0].d_name) - 1 );
1602 de[0].d_name[len] = 0;
1603 len = min(de[1].d_reclen, sizeof(de[1].d_name) - 1 );
1604 de[1].d_name[len] = 0;
1606 if (de[1].d_name[0])
1608 ret = ntdll_umbstowcs( 0, de[1].d_name, strlen(de[1].d_name),
1609 buffer, MAX_DIR_ENTRY_LEN );
1610 if (ret == length && !memicmpW( buffer, name, length))
1612 strcpy( unix_name + pos, de[1].d_name );
1613 RtlLeaveCriticalSection( &dir_section );
1615 return STATUS_SUCCESS;
1618 ret = ntdll_umbstowcs( 0, de[0].d_name, strlen(de[0].d_name),
1619 buffer, MAX_DIR_ENTRY_LEN );
1620 if (ret == length && !memicmpW( buffer, name, length))
1622 strcpy( unix_name + pos,
1623 de[1].d_name[0] ? de[1].d_name : de[0].d_name );
1624 RtlLeaveCriticalSection( &dir_section );
1626 return STATUS_SUCCESS;
1628 if (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de ) == -1)
1630 RtlLeaveCriticalSection( &dir_section );
1636 RtlLeaveCriticalSection( &dir_section );
1639 /* fall through to normal handling */
1641 #endif /* VFAT_IOCTL_READDIR_BOTH */
1643 if (!(dir = opendir( unix_name )))
1645 if (errno == ENOENT) return STATUS_OBJECT_PATH_NOT_FOUND;
1646 else return FILE_GetNtStatus();
1648 unix_name[pos - 1] = '/';
1649 str.Buffer = buffer;
1650 str.MaximumLength = sizeof(buffer);
1651 while ((de = readdir( dir )))
1653 ret = ntdll_umbstowcs( 0, de->d_name, strlen(de->d_name), buffer, MAX_DIR_ENTRY_LEN );
1654 if (ret == length && !memicmpW( buffer, name, length ))
1656 strcpy( unix_name + pos, de->d_name );
1658 return STATUS_SUCCESS;
1661 if (!is_name_8_dot_3) continue;
1663 str.Length = ret * sizeof(WCHAR);
1664 if (!RtlIsNameLegalDOS8Dot3( &str, NULL, &spaces ) || spaces)
1666 WCHAR short_nameW[12];
1667 ret = hash_short_file_name( &str, short_nameW );
1668 if (ret == length && !memicmpW( short_nameW, name, length ))
1670 strcpy( unix_name + pos, de->d_name );
1672 return STATUS_SUCCESS;
1677 goto not_found; /* avoid warning */
1680 unix_name[pos - 1] = 0;
1681 return STATUS_OBJECT_PATH_NOT_FOUND;
1685 /******************************************************************************
1688 * Get the Unix path of a DOS device.
1690 static NTSTATUS get_dos_device( const WCHAR *name, UINT name_len, ANSI_STRING *unix_name_ret )
1692 const char *config_dir = wine_get_config_dir();
1694 char *unix_name, *new_name, *dev;
1698 /* make sure the device name is ASCII */
1699 for (i = 0; i < name_len; i++)
1700 if (name[i] <= 32 || name[i] >= 127) return STATUS_BAD_DEVICE_TYPE;
1702 unix_len = strlen(config_dir) + sizeof("/dosdevices/") + name_len + 1;
1704 if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, unix_len )))
1705 return STATUS_NO_MEMORY;
1707 strcpy( unix_name, config_dir );
1708 strcat( unix_name, "/dosdevices/" );
1709 dev = unix_name + strlen(unix_name);
1711 for (i = 0; i < name_len; i++) dev[i] = (char)tolowerW(name[i]);
1714 /* special case for drive devices */
1715 if (name_len == 2 && dev[1] == ':')
1723 if (!stat( unix_name, &st ))
1725 TRACE( "%s -> %s\n", debugstr_wn(name,name_len), debugstr_a(unix_name) );
1726 unix_name_ret->Buffer = unix_name;
1727 unix_name_ret->Length = strlen(unix_name);
1728 unix_name_ret->MaximumLength = unix_len;
1729 return STATUS_SUCCESS;
1733 /* now try some defaults for it */
1734 if (!strcmp( dev, "aux" ))
1736 strcpy( dev, "com1" );
1739 if (!strcmp( dev, "prn" ))
1741 strcpy( dev, "lpt1" );
1744 if (!strcmp( dev, "nul" ))
1746 strcpy( unix_name, "/dev/null" );
1747 dev = NULL; /* last try */
1752 if (dev[1] == ':' && dev[2] == ':') /* drive device */
1754 dev[2] = 0; /* remove last ':' to get the drive mount point symlink */
1755 new_name = get_default_drive_device( unix_name );
1757 else if (!strncmp( dev, "com", 3 )) new_name = get_default_com_device( dev[3] - '0' );
1758 else if (!strncmp( dev, "lpt", 3 )) new_name = get_default_lpt_device( dev[3] - '0' );
1760 if (!new_name) break;
1762 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
1763 unix_name = new_name;
1764 unix_len = strlen(unix_name) + 1;
1765 dev = NULL; /* last try */
1767 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
1768 return STATUS_BAD_DEVICE_TYPE;
1772 /* return the length of the DOS namespace prefix if any */
1773 static inline int get_dos_prefix_len( const UNICODE_STRING *name )
1775 static const WCHAR nt_prefixW[] = {'\\','?','?','\\'};
1776 static const WCHAR dosdev_prefixW[] = {'\\','D','o','s','D','e','v','i','c','e','s','\\'};
1778 if (name->Length > sizeof(nt_prefixW) &&
1779 !memcmp( name->Buffer, nt_prefixW, sizeof(nt_prefixW) ))
1780 return sizeof(nt_prefixW) / sizeof(WCHAR);
1782 if (name->Length > sizeof(dosdev_prefixW) &&
1783 !memicmpW( name->Buffer, dosdev_prefixW, sizeof(dosdev_prefixW)/sizeof(WCHAR) ))
1784 return sizeof(dosdev_prefixW) / sizeof(WCHAR);
1790 /******************************************************************************
1791 * wine_nt_to_unix_file_name (NTDLL.@) Not a Windows API
1793 * Convert a file name from NT namespace to Unix namespace.
1795 * If disposition is not FILE_OPEN or FILE_OVERWRITTE, the last path
1796 * element doesn't have to exist; in that case STATUS_NO_SUCH_FILE is
1797 * returned, but the unix name is still filled in properly.
1799 NTSTATUS wine_nt_to_unix_file_name( const UNICODE_STRING *nameW, ANSI_STRING *unix_name_ret,
1800 UINT disposition, BOOLEAN check_case )
1802 static const WCHAR uncW[] = {'U','N','C','\\'};
1803 static const WCHAR invalid_charsW[] = { INVALID_NT_CHARS, 0 };
1805 NTSTATUS status = STATUS_SUCCESS;
1806 const char *config_dir = wine_get_config_dir();
1807 const WCHAR *name, *p;
1810 int pos, ret, name_len, unix_len, used_default;
1812 name = nameW->Buffer;
1813 name_len = nameW->Length / sizeof(WCHAR);
1815 if (!name_len || !IS_SEPARATOR(name[0])) return STATUS_OBJECT_PATH_SYNTAX_BAD;
1817 if ((pos = get_dos_prefix_len( nameW )))
1819 BOOLEAN is_unc = FALSE;
1824 /* check for UNC prefix */
1825 if (name_len > 4 && !memicmpW( name, uncW, 4 ))
1833 /* check for a drive letter with path */
1834 if (name_len < 3 || !isalphaW(name[0]) || name[1] != ':' || !IS_SEPARATOR(name[2]))
1836 /* not a drive with path, try other DOS devices */
1837 return get_dos_device( name, name_len, unix_name_ret );
1839 name += 2; /* skip drive letter */
1843 /* check for invalid characters */
1844 for (p = name; p < name + name_len; p++)
1845 if (*p < 32 || strchrW( invalid_charsW, *p )) return STATUS_OBJECT_NAME_INVALID;
1847 unix_len = ntdll_wcstoumbs( 0, name, name_len, NULL, 0, NULL, NULL );
1848 unix_len += MAX_DIR_ENTRY_LEN + 3;
1849 unix_len += strlen(config_dir) + sizeof("/dosdevices/") + 3;
1850 if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, unix_len )))
1851 return STATUS_NO_MEMORY;
1852 strcpy( unix_name, config_dir );
1853 strcat( unix_name, "/dosdevices/" );
1854 pos = strlen(unix_name);
1857 strcpy( unix_name + pos, "unc" );
1862 unix_name[pos++] = tolowerW( name[-2] );
1863 unix_name[pos++] = ':';
1867 else /* no DOS prefix, assume NT native name, map directly to Unix */
1869 if (!name_len || !IS_SEPARATOR(name[0])) return STATUS_OBJECT_NAME_INVALID;
1870 unix_len = ntdll_wcstoumbs( 0, name, name_len, NULL, 0, NULL, NULL );
1871 unix_len += MAX_DIR_ENTRY_LEN + 3;
1872 if (!(unix_name = RtlAllocateHeap( GetProcessHeap(), 0, unix_len )))
1873 return STATUS_NO_MEMORY;
1877 /* try a shortcut first */
1879 ret = ntdll_wcstoumbs( 0, name, name_len, unix_name + pos, unix_len - pos - 1,
1880 NULL, &used_default );
1882 while (name_len && IS_SEPARATOR(*name))
1888 if (ret > 0 && !used_default) /* if we used the default char the name didn't convert properly */
1891 unix_name[pos + ret] = 0;
1892 for (p = unix_name + pos ; *p; p++) if (*p == '\\') *p = '/';
1893 if (!stat( unix_name, &st ))
1895 /* creation fails with STATUS_ACCESS_DENIED for the root of the drive */
1896 if (disposition == FILE_CREATE)
1898 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
1899 return name_len ? STATUS_OBJECT_NAME_COLLISION : STATUS_ACCESS_DENIED;
1905 if (!name_len) /* empty name -> drive root doesn't exist */
1907 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
1908 return STATUS_OBJECT_PATH_NOT_FOUND;
1910 if (check_case && (disposition == FILE_OPEN || disposition == FILE_OVERWRITE))
1912 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
1913 return STATUS_OBJECT_NAME_NOT_FOUND;
1916 /* now do it component by component */
1920 const WCHAR *end, *next;
1923 while (end < name + name_len && !IS_SEPARATOR(*end)) end++;
1925 while (next < name + name_len && IS_SEPARATOR(*next)) next++;
1926 name_len -= next - name;
1928 /* grow the buffer if needed */
1930 if (unix_len - pos < MAX_DIR_ENTRY_LEN + 2)
1933 unix_len += 2 * MAX_DIR_ENTRY_LEN;
1934 if (!(new_name = RtlReAllocateHeap( GetProcessHeap(), 0, unix_name, unix_len )))
1936 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
1937 return STATUS_NO_MEMORY;
1939 unix_name = new_name;
1942 status = find_file_in_dir( unix_name, pos, name, end - name, check_case );
1944 /* if this is the last element, not finding it is not necessarily fatal */
1947 if (status == STATUS_OBJECT_PATH_NOT_FOUND)
1949 status = STATUS_OBJECT_NAME_NOT_FOUND;
1950 if (disposition != FILE_OPEN && disposition != FILE_OVERWRITE)
1952 ret = ntdll_wcstoumbs( 0, name, end - name, unix_name + pos + 1,
1953 MAX_DIR_ENTRY_LEN, NULL, &used_default );
1954 if (ret > 0 && !used_default)
1956 unix_name[pos] = '/';
1957 unix_name[pos + 1 + ret] = 0;
1958 status = STATUS_NO_SUCH_FILE;
1963 else if (status == STATUS_SUCCESS && disposition == FILE_CREATE)
1965 status = STATUS_OBJECT_NAME_COLLISION;
1969 if (status != STATUS_SUCCESS)
1971 /* couldn't find it at all, fail */
1972 WARN( "%s not found in %s\n", debugstr_w(name), unix_name );
1973 RtlFreeHeap( GetProcessHeap(), 0, unix_name );
1977 pos += strlen( unix_name + pos );
1981 WARN( "%s -> %s required a case-insensitive search\n",
1982 debugstr_us(nameW), debugstr_a(unix_name) );
1985 TRACE( "%s -> %s\n", debugstr_us(nameW), debugstr_a(unix_name) );
1986 unix_name_ret->Buffer = unix_name;
1987 unix_name_ret->Length = strlen(unix_name);
1988 unix_name_ret->MaximumLength = unix_len;
1993 /******************************************************************
1994 * RtlDoesFileExists_U (NTDLL.@)
1996 BOOLEAN WINAPI RtlDoesFileExists_U(LPCWSTR file_name)
1998 UNICODE_STRING nt_name;
1999 ANSI_STRING unix_name;
2002 if (!RtlDosPathNameToNtPathName_U( file_name, &nt_name, NULL, NULL )) return FALSE;
2003 ret = (wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN, FALSE ) == STATUS_SUCCESS);
2004 if (ret) RtlFreeAnsiString( &unix_name );
2005 RtlFreeUnicodeString( &nt_name );
2010 /***********************************************************************
2011 * DIR_unmount_device
2013 * Unmount the specified device.
2015 NTSTATUS DIR_unmount_device( HANDLE handle )
2018 int unix_fd, needs_close;
2020 SERVER_START_REQ( unmount_device )
2022 req->handle = handle;
2023 status = wine_server_call( req );
2026 if (status) return status;
2028 if (!(status = server_get_unix_fd( handle, 0, &unix_fd, &needs_close, NULL, NULL )))
2031 char *mount_point = NULL;
2033 if (fstat( unix_fd, &st ) == -1 || !is_valid_mounted_device( &st ))
2034 status = STATUS_INVALID_PARAMETER;
2037 if ((mount_point = get_device_mount_point( st.st_rdev )))
2040 static const char umount[] = "diskutil unmount >/dev/null 2>&1 ";
2042 static const char umount[] = "umount >/dev/null 2>&1 ";
2044 char *cmd = RtlAllocateHeap( GetProcessHeap(), 0, strlen(mount_point)+sizeof(umount));
2047 strcpy( cmd, umount );
2048 strcat( cmd, mount_point );
2050 RtlFreeHeap( GetProcessHeap(), 0, cmd );
2052 /* umount will fail to release the loop device since we still have
2053 a handle to it, so we release it here */
2054 if (major(st.st_rdev) == LOOP_MAJOR) ioctl( unix_fd, 0x4c01 /*LOOP_CLR_FD*/, 0 );
2057 RtlFreeHeap( GetProcessHeap(), 0, mount_point );
2060 if (needs_close) close( unix_fd );
2066 /******************************************************************************
2069 * Retrieve the Unix name of the current directory; helper for wine_unix_to_nt_file_name.
2070 * Returned value must be freed by caller.
2072 NTSTATUS DIR_get_unix_cwd( char **cwd )
2074 int old_cwd, unix_fd, needs_close;
2079 RtlAcquirePebLock();
2081 if (NtCurrentTeb()->Tib.SubSystemTib) /* FIXME: hack */
2082 curdir = &((WIN16_SUBSYSTEM_TIB *)NtCurrentTeb()->Tib.SubSystemTib)->curdir;
2084 curdir = &NtCurrentTeb()->Peb->ProcessParameters->CurrentDirectory;
2086 if (!(handle = curdir->Handle))
2088 UNICODE_STRING dirW;
2089 OBJECT_ATTRIBUTES attr;
2092 if (!RtlDosPathNameToNtPathName_U( curdir->DosPath.Buffer, &dirW, NULL, NULL ))
2094 status = STATUS_OBJECT_NAME_INVALID;
2097 attr.Length = sizeof(attr);
2098 attr.RootDirectory = 0;
2099 attr.Attributes = OBJ_CASE_INSENSITIVE;
2100 attr.ObjectName = &dirW;
2101 attr.SecurityDescriptor = NULL;
2102 attr.SecurityQualityOfService = NULL;
2104 status = NtOpenFile( &handle, 0, &attr, &io, 0,
2105 FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
2106 RtlFreeUnicodeString( &dirW );
2107 if (status != STATUS_SUCCESS) goto done;
2110 if ((status = server_get_unix_fd( handle, 0, &unix_fd, &needs_close, NULL, NULL )) == STATUS_SUCCESS)
2112 RtlEnterCriticalSection( &dir_section );
2114 if ((old_cwd = open(".", O_RDONLY)) != -1 && fchdir( unix_fd ) != -1)
2116 unsigned int size = 512;
2120 if (!(*cwd = RtlAllocateHeap( GetProcessHeap(), 0, size )))
2122 status = STATUS_NO_MEMORY;
2125 if (getcwd( *cwd, size )) break;
2126 RtlFreeHeap( GetProcessHeap(), 0, *cwd );
2127 if (errno != ERANGE)
2129 status = STATUS_OBJECT_PATH_INVALID;
2134 if (fchdir( old_cwd ) == -1) chdir( "/" );
2136 else status = FILE_GetNtStatus();
2138 RtlLeaveCriticalSection( &dir_section );
2139 if (needs_close) close( unix_fd );
2141 if (!curdir->Handle) NtClose( handle );
2144 RtlReleasePebLock();
2148 struct read_changes_info
2152 PIO_APC_ROUTINE ApcRoutine;
2158 static void WINAPI read_changes_apc( void *user, PIO_STATUS_BLOCK iosb, ULONG status )
2160 struct read_changes_info *info = user;
2161 char path[PATH_MAX];
2162 NTSTATUS ret = STATUS_SUCCESS;
2165 TRACE("%p %p %p %08x\n", info, info->ApcContext, iosb, status);
2170 * hEvent/hDir is set before the output buffer and iosb is updated.
2171 * Since the thread that called NtNotifyChangeDirectoryFile is usually
2172 * waiting, we'll be safe since we're called in that thread's context.
2173 * If a different thread is waiting on our hEvent/hDir we're going to be
2176 SERVER_START_REQ( read_change )
2178 req->handle = info->FileHandle;
2179 wine_server_set_reply( req, path, PATH_MAX );
2180 ret = wine_server_call( req );
2181 action = reply->action;
2182 len = wine_server_reply_size( reply );
2186 if (ret == STATUS_SUCCESS && info->Buffer &&
2187 (info->BufferSize > (sizeof (FILE_NOTIFY_INFORMATION) + len*sizeof(WCHAR))))
2189 PFILE_NOTIFY_INFORMATION pfni;
2191 pfni = (PFILE_NOTIFY_INFORMATION) info->Buffer;
2193 /* convert to an NT style path */
2194 for (i=0; i<len; i++)
2198 len = ntdll_umbstowcs( 0, path, len, pfni->FileName,
2199 info->BufferSize - sizeof (*pfni) );
2201 pfni->NextEntryOffset = 0;
2202 pfni->Action = action;
2203 pfni->FileNameLength = len * sizeof (WCHAR);
2204 pfni->FileName[len] = 0;
2206 TRACE("action = %d name = %s\n", pfni->Action,
2207 debugstr_w(pfni->FileName) );
2208 len = sizeof (*pfni) - sizeof (DWORD) + pfni->FileNameLength;
2212 ret = STATUS_NOTIFY_ENUM_DIR;
2216 iosb->u.Status = ret;
2217 iosb->Information = len;
2219 RtlFreeHeap( GetProcessHeap(), 0, info );
2222 #define FILE_NOTIFY_ALL ( \
2223 FILE_NOTIFY_CHANGE_FILE_NAME | \
2224 FILE_NOTIFY_CHANGE_DIR_NAME | \
2225 FILE_NOTIFY_CHANGE_ATTRIBUTES | \
2226 FILE_NOTIFY_CHANGE_SIZE | \
2227 FILE_NOTIFY_CHANGE_LAST_WRITE | \
2228 FILE_NOTIFY_CHANGE_LAST_ACCESS | \
2229 FILE_NOTIFY_CHANGE_CREATION | \
2230 FILE_NOTIFY_CHANGE_SECURITY )
2232 /******************************************************************************
2233 * NtNotifyChangeDirectoryFile [NTDLL.@]
2236 NtNotifyChangeDirectoryFile( HANDLE FileHandle, HANDLE Event,
2237 PIO_APC_ROUTINE ApcRoutine, PVOID ApcContext,
2238 PIO_STATUS_BLOCK IoStatusBlock, PVOID Buffer,
2239 ULONG BufferSize, ULONG CompletionFilter, BOOLEAN WatchTree )
2241 struct read_changes_info *info;
2244 TRACE("%p %p %p %p %p %p %u %u %d\n",
2245 FileHandle, Event, ApcRoutine, ApcContext, IoStatusBlock,
2246 Buffer, BufferSize, CompletionFilter, WatchTree );
2249 return STATUS_ACCESS_VIOLATION;
2251 if (CompletionFilter == 0 || (CompletionFilter & ~FILE_NOTIFY_ALL))
2252 return STATUS_INVALID_PARAMETER;
2255 FIXME("parameters ignored %p %p\n", ApcRoutine, ApcContext );
2257 info = RtlAllocateHeap( GetProcessHeap(), 0, sizeof *info );
2259 return STATUS_NO_MEMORY;
2261 info->FileHandle = FileHandle;
2262 info->Event = Event;
2263 info->Buffer = Buffer;
2264 info->BufferSize = BufferSize;
2265 info->ApcRoutine = ApcRoutine;
2266 info->ApcContext = ApcContext;
2268 SERVER_START_REQ( read_directory_changes )
2270 req->handle = FileHandle;
2272 req->filter = CompletionFilter;
2273 req->want_data = (Buffer != NULL);
2274 req->subtree = WatchTree;
2275 req->async.callback = read_changes_apc;
2276 req->async.iosb = IoStatusBlock;
2277 req->async.arg = info;
2278 status = wine_server_call( req );
2282 if (status != STATUS_PENDING)
2283 RtlFreeHeap( GetProcessHeap(), 0, info );