2 * Volume management functions
4 * Copyright 1993 Erik Bos
5 * Copyright 1996, 2004 Alexandre Julliard
6 * Copyright 1999 Petr Tomasek
7 * Copyright 2000 Andreas Mohr
8 * Copyright 2003 Eric Pouech
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
30 #define WIN32_NO_STATUS
37 #define WINE_MOUNTMGR_EXTENSIONS
38 #include "ddk/mountmgr.h"
40 #include "kernelbase.h"
41 #include "wine/server.h"
42 #include "wine/debug.h"
44 WINE_DEFAULT_DEBUG_CHANNEL(volume
);
46 #define BLOCK_SIZE 2048
47 #define SUPERBLOCK_SIZE BLOCK_SIZE
48 #define SYMBOLIC_LINK_QUERY 0x0001
50 #define CDFRAMES_PERSEC 75
51 #define CDFRAMES_PERMIN (CDFRAMES_PERSEC * 60)
52 #define FRAME_OF_ADDR(a) ((a)[1] * CDFRAMES_PERMIN + (a)[2] * CDFRAMES_PERSEC + (a)[3])
53 #define FRAME_OF_TOC(toc, idx) FRAME_OF_ADDR((toc)->TrackData[(idx) - (toc)->FirstTrack].Address)
55 #define GETWORD(buf,off) MAKEWORD(buf[(off)],buf[(off+1)])
56 #define GETLONG(buf,off) MAKELONG(GETWORD(buf,off),GETWORD(buf,off+2))
60 FS_ERROR
, /* error accessing the device */
61 FS_UNKNOWN
, /* unknown file system */
65 FS_UDF
/* For reference [E] = Ecma-167.pdf, [U] = udf260.pdf */
68 /* read the contents of an NT symlink object */
69 static NTSTATUS
read_nt_symlink( const WCHAR
*name
, WCHAR
*target
, DWORD size
)
72 OBJECT_ATTRIBUTES attr
;
76 attr
.Length
= sizeof(attr
);
77 attr
.RootDirectory
= 0;
78 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
79 attr
.ObjectName
= &nameW
;
80 attr
.SecurityDescriptor
= NULL
;
81 attr
.SecurityQualityOfService
= NULL
;
82 RtlInitUnicodeString( &nameW
, name
);
84 if (!(status
= NtOpenSymbolicLinkObject( &handle
, SYMBOLIC_LINK_QUERY
, &attr
)))
86 UNICODE_STRING targetW
;
87 targetW
.Buffer
= target
;
88 targetW
.MaximumLength
= (size
- 1) * sizeof(WCHAR
);
89 status
= NtQuerySymbolicLinkObject( handle
, &targetW
, NULL
);
90 if (!status
) target
[targetW
.Length
/ sizeof(WCHAR
)] = 0;
96 /* open a handle to a device root */
97 static BOOL
open_device_root( LPCWSTR root
, HANDLE
*handle
)
99 UNICODE_STRING nt_name
;
100 OBJECT_ATTRIBUTES attr
;
104 if (!root
) root
= L
"\\";
105 if (!RtlDosPathNameToNtPathName_U( root
, &nt_name
, NULL
, NULL
))
107 SetLastError( ERROR_PATH_NOT_FOUND
);
110 attr
.Length
= sizeof(attr
);
111 attr
.RootDirectory
= 0;
112 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
113 attr
.ObjectName
= &nt_name
;
114 attr
.SecurityDescriptor
= NULL
;
115 attr
.SecurityQualityOfService
= NULL
;
117 status
= NtOpenFile( handle
, SYNCHRONIZE
, &attr
, &io
, 0,
118 FILE_DIRECTORY_FILE
| FILE_SYNCHRONOUS_IO_NONALERT
);
119 RtlFreeUnicodeString( &nt_name
);
120 return set_ntstatus( status
);
123 /* query the type of a drive from the mount manager */
124 static DWORD
get_mountmgr_drive_type( LPCWSTR root
)
127 struct mountmgr_unix_drive data
;
130 memset( &data
, 0, sizeof(data
) );
131 if (root
) data
.letter
= root
[0];
134 WCHAR curdir
[MAX_PATH
];
135 GetCurrentDirectoryW( MAX_PATH
, curdir
);
136 if (curdir
[1] != ':' || curdir
[2] != '\\') return DRIVE_UNKNOWN
;
137 data
.letter
= curdir
[0];
140 mgr
= CreateFileW( MOUNTMGR_DOS_DEVICE_NAME
, GENERIC_READ
,
141 FILE_SHARE_READ
|FILE_SHARE_WRITE
, NULL
, OPEN_EXISTING
, 0, 0 );
142 if (mgr
== INVALID_HANDLE_VALUE
) return DRIVE_UNKNOWN
;
144 if (!DeviceIoControl( mgr
, IOCTL_MOUNTMGR_QUERY_UNIX_DRIVE
, &data
, sizeof(data
), &data
,
145 sizeof(data
), &br
, NULL
) && GetLastError() != ERROR_MORE_DATA
)
146 data
.type
= DRIVE_UNKNOWN
;
152 /* get the label by reading it from a file at the root of the filesystem */
153 static void get_filesystem_label( const UNICODE_STRING
*device
, WCHAR
*label
, DWORD len
)
155 static const WCHAR labelW
[] = {'.','w','i','n','d','o','w','s','-','l','a','b','e','l',0};
159 OBJECT_ATTRIBUTES attr
;
163 attr
.Length
= sizeof(attr
);
164 attr
.RootDirectory
= 0;
165 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
166 attr
.ObjectName
= &name
;
167 attr
.SecurityDescriptor
= NULL
;
168 attr
.SecurityQualityOfService
= NULL
;
170 name
.MaximumLength
= device
->Length
+ sizeof(labelW
);
171 name
.Length
= name
.MaximumLength
- sizeof(WCHAR
);
172 if (!(name
.Buffer
= HeapAlloc( GetProcessHeap(), 0, name
.MaximumLength
))) return;
174 memcpy( name
.Buffer
, device
->Buffer
, device
->Length
);
175 memcpy( name
.Buffer
+ device
->Length
/ sizeof(WCHAR
), labelW
, sizeof(labelW
) );
176 if (!NtOpenFile( &handle
, GENERIC_READ
| SYNCHRONIZE
, &attr
, &io
, FILE_SHARE_READ
|FILE_SHARE_WRITE
,
177 FILE_NON_DIRECTORY_FILE
| FILE_SYNCHRONOUS_IO_NONALERT
))
179 char buffer
[256], *p
;
182 if (!ReadFile( handle
, buffer
, sizeof(buffer
)-1, &size
, NULL
)) size
= 0;
183 CloseHandle( handle
);
185 while (p
> buffer
&& (p
[-1] == ' ' || p
[-1] == '\r' || p
[-1] == '\n')) p
--;
187 if (!MultiByteToWideChar( CP_UNIXCP
, 0, buffer
, -1, label
, len
))
190 RtlFreeUnicodeString( &name
);
193 /* get the serial number by reading it from a file at the root of the filesystem */
194 static DWORD
get_filesystem_serial( const UNICODE_STRING
*device
)
196 static const WCHAR serialW
[] = {'.','w','i','n','d','o','w','s','-','s','e','r','i','a','l',0};
200 OBJECT_ATTRIBUTES attr
;
203 attr
.Length
= sizeof(attr
);
204 attr
.RootDirectory
= 0;
205 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
206 attr
.ObjectName
= &name
;
207 attr
.SecurityDescriptor
= NULL
;
208 attr
.SecurityQualityOfService
= NULL
;
210 name
.MaximumLength
= device
->Length
+ sizeof(serialW
);
211 name
.Length
= name
.MaximumLength
- sizeof(WCHAR
);
212 if (!(name
.Buffer
= HeapAlloc( GetProcessHeap(), 0, name
.MaximumLength
))) return 0;
214 memcpy( name
.Buffer
, device
->Buffer
, device
->Length
);
215 memcpy( name
.Buffer
+ device
->Length
/ sizeof(WCHAR
), serialW
, sizeof(serialW
) );
216 if (!NtOpenFile( &handle
, GENERIC_READ
| SYNCHRONIZE
, &attr
, &io
, FILE_SHARE_READ
|FILE_SHARE_WRITE
,
217 FILE_SYNCHRONOUS_IO_NONALERT
))
222 if (!ReadFile( handle
, buffer
, sizeof(buffer
)-1, &size
, NULL
)) size
= 0;
223 CloseHandle( handle
);
225 ret
= strtoul( buffer
, NULL
, 16 );
227 RtlFreeUnicodeString( &name
);
232 /******************************************************************
233 * find_cdrom_best_voldesc
235 static DWORD
find_cdrom_best_voldesc( HANDLE handle
)
237 BYTE cur_vd_type
, max_vd_type
= 0;
239 DWORD size
, offs
, best_offs
= 0, extra_offs
= 0;
241 for (offs
= 0x8000; offs
<= 0x9800; offs
+= 0x800)
243 /* if 'CDROM' occurs at position 8, this is a pre-iso9660 cd, and
244 * the volume label is displaced forward by 8
246 if (SetFilePointer( handle
, offs
, NULL
, FILE_BEGIN
) != offs
) break;
247 if (!ReadFile( handle
, buffer
, sizeof(buffer
), &size
, NULL
)) break;
248 if (size
!= sizeof(buffer
)) break;
249 /* check for non-ISO9660 signature */
250 if (!memcmp( buffer
+ 11, "ROM", 3 )) extra_offs
= 8;
251 cur_vd_type
= buffer
[extra_offs
];
252 if (cur_vd_type
== 0xff) /* voldesc set terminator */
254 if (cur_vd_type
> max_vd_type
)
256 max_vd_type
= cur_vd_type
;
257 best_offs
= offs
+ extra_offs
;
264 /***********************************************************************
265 * read_fat_superblock
267 static enum fs_type
read_fat_superblock( HANDLE handle
, BYTE
*buff
)
271 /* try a fixed disk, with a FAT partition */
272 if (SetFilePointer( handle
, 0, NULL
, FILE_BEGIN
) != 0 ||
273 !ReadFile( handle
, buff
, SUPERBLOCK_SIZE
, &size
, NULL
))
275 if (GetLastError() == ERROR_BAD_DEV_TYPE
) return FS_UNKNOWN
; /* not a real device */
279 if (size
< SUPERBLOCK_SIZE
) return FS_UNKNOWN
;
281 /* FIXME: do really all FAT have their name beginning with
282 * "FAT" ? (At least FAT12, FAT16 and FAT32 have :)
284 if (!memcmp(buff
+0x36, "FAT", 3) || !memcmp(buff
+0x52, "FAT", 3))
286 /* guess which type of FAT we have */
288 unsigned int sectors
,
297 sect_per_fat
= GETWORD(buff
, 0x16);
298 if (!sect_per_fat
) sect_per_fat
= GETLONG(buff
, 0x24);
299 total_sectors
= GETWORD(buff
, 0x13);
301 total_sectors
= GETLONG(buff
, 0x20);
302 num_boot_sectors
= GETWORD(buff
, 0x0e);
303 num_fats
= buff
[0x10];
304 num_root_dir_ents
= GETWORD(buff
, 0x11);
305 bytes_per_sector
= GETWORD(buff
, 0x0b);
306 sectors_per_cluster
= buff
[0x0d];
307 /* check if the parameters are reasonable and will not cause
308 * arithmetic errors in the calculation */
309 reasonable
= num_boot_sectors
< total_sectors
&&
311 bytes_per_sector
>= 512 && bytes_per_sector
% 512 == 0 &&
312 sectors_per_cluster
>= 1;
313 if (!reasonable
) return FS_UNKNOWN
;
314 sectors
= total_sectors
- num_boot_sectors
- num_fats
* sect_per_fat
-
315 (num_root_dir_ents
* 32 + bytes_per_sector
- 1) / bytes_per_sector
;
316 nclust
= sectors
/ sectors_per_cluster
;
317 if ((buff
[0x42] == 0x28 || buff
[0x42] == 0x29) &&
318 !memcmp(buff
+0x52, "FAT", 3)) return FS_FAT32
;
321 if ((buff
[0x26] == 0x28 || buff
[0x26] == 0x29) &&
322 !memcmp(buff
+0x36, "FAT", 3))
330 /***********************************************************************
333 static BOOL
read_cd_block( HANDLE handle
, BYTE
*buff
, INT offs
)
335 DWORD size
, whence
= offs
>= 0 ? FILE_BEGIN
: FILE_END
;
337 if (SetFilePointer( handle
, offs
, NULL
, whence
) != offs
||
338 !ReadFile( handle
, buff
, SUPERBLOCK_SIZE
, &size
, NULL
) ||
339 size
!= SUPERBLOCK_SIZE
)
346 /***********************************************************************
349 static enum fs_type
read_cd_superblock( HANDLE handle
, BYTE
*buff
)
354 /* Check UDF first as UDF and ISO9660 structures can coexist on the same medium
355 * Starting from sector 16, we may find :
356 * - a CD-ROM Volume Descriptor Set (ISO9660) containing one or more Volume Descriptors
357 * - an Extended Area (UDF) -- [E] 2/8.3.1 and [U] 2.1.7
358 * There is no explicit end so read 16 sectors and then give up */
359 for( i
=16; i
<16+16; i
++)
361 if (!read_cd_block(handle
, buff
, i
*BLOCK_SIZE
))
364 /* We are supposed to check "BEA01", "NSR0x" and "TEA01" IDs + verify tag checksum
365 * but we assume the volume is well-formatted */
366 if (!memcmp(&buff
[1], "BEA01", 5)) return FS_UDF
;
369 offs
= find_cdrom_best_voldesc( handle
);
370 if (!offs
) return FS_UNKNOWN
;
372 if (!read_cd_block(handle
, buff
, offs
))
375 /* check for the iso9660 identifier */
376 if (!memcmp(&buff
[1], "CD001", 5)) return FS_ISO9660
;
381 /**************************************************************************
384 static BOOL
udf_find_pvd( HANDLE handle
, BYTE pvd
[] )
388 INT locations
[] = { 256, -1, -257, 512 };
390 for(i
=0; i
<ARRAY_SIZE(locations
); i
++)
392 if (!read_cd_block(handle
, pvd
, locations
[i
]*BLOCK_SIZE
))
395 /* Tag Identifier of Anchor Volume Descriptor Pointer is 2 -- [E] 3/10.2.1 */
396 if (pvd
[0]==2 && pvd
[1]==0)
398 /* Tag location (Uint32) at offset 12, little-endian */
399 offset
= pvd
[20 + 0];
400 offset
|= pvd
[20 + 1] << 8;
401 offset
|= pvd
[20 + 2] << 16;
402 offset
|= pvd
[20 + 3] << 24;
403 offset
*= BLOCK_SIZE
;
405 if (!read_cd_block(handle
, pvd
, offset
))
408 /* Check for the Primary Volume Descriptor Tag Id -- [E] 3/10.1.1 */
409 if (pvd
[0]!=1 || pvd
[1]!=0)
412 /* 8 or 16 bits per character -- [U] 2.1.1 */
413 if (!(pvd
[24]==8 || pvd
[24]==16))
424 /**************************************************************************
425 * get_superblock_label
427 static void get_superblock_label( const UNICODE_STRING
*device
, HANDLE handle
,
428 enum fs_type type
, const BYTE
*superblock
,
429 WCHAR
*label
, DWORD len
)
431 const BYTE
*label_ptr
= NULL
;
440 get_filesystem_label( device
, label
, len
);
443 label_ptr
= superblock
+ 0x2b;
447 label_ptr
= superblock
+ 0x47;
452 BYTE ver
= superblock
[0x5a];
454 if (superblock
[0x58] == 0x25 && superblock
[0x59] == 0x2f && /* Unicode ID */
455 ((ver
== 0x40) || (ver
== 0x43) || (ver
== 0x45)))
456 { /* yippee, unicode */
459 if (len
> 17) len
= 17;
460 for (i
= 0; i
< len
-1; i
++)
461 label
[i
] = (superblock
[40+2*i
] << 8) | superblock
[41+2*i
];
463 while (i
&& label
[i
-1] == ' ') label
[--i
] = 0;
466 label_ptr
= superblock
+ 40;
472 BYTE pvd
[BLOCK_SIZE
];
474 if(!udf_find_pvd(handle
, pvd
))
480 /* [E] 3/10.1.4 and [U] 2.1.1 */
483 label_ptr
= pvd
+ 24 + 1;
484 label_len
= pvd
[24+32-1];
491 label_len
= 1 + pvd
[24+32-1];
492 for(i
=0; i
<label_len
&& i
<len
; i
+=2)
493 label
[i
/2] = (pvd
[24+1 +i
] << 8) | pvd
[24+1 +i
+1];
494 label
[label_len
] = 0;
499 if (label_len
) RtlMultiByteToUnicodeN( label
, (len
-1) * sizeof(WCHAR
),
500 &label_len
, (LPCSTR
)label_ptr
, label_len
);
501 label_len
/= sizeof(WCHAR
);
502 label
[label_len
] = 0;
503 while (label_len
&& label
[label_len
-1] == ' ') label
[--label_len
] = 0;
507 /**************************************************************************
508 * udf_find_fsd_sector
510 static int udf_find_fsd_sector( HANDLE handle
, BYTE block
[] )
512 int i
, PVD_sector
, PD_sector
, PD_length
;
514 if(!udf_find_pvd(handle
,block
))
517 /* Retrieve the tag location of the PVD -- [E] 3/7.2 */
518 PVD_sector
= block
[12 + 0];
519 PVD_sector
|= block
[12 + 1] << 8;
520 PVD_sector
|= block
[12 + 2] << 16;
521 PVD_sector
|= block
[12 + 3] << 24;
523 /* Find the Partition Descriptor */
524 for(i
=PVD_sector
+1; ; i
++)
526 if(!read_cd_block(handle
, block
, i
*BLOCK_SIZE
))
529 /* Partition Descriptor Tag Id -- [E] 3/10.5.1 */
530 if(block
[0]==5 && block
[1]==0)
533 /* Terminating Descriptor Tag Id -- [E] 3/10.9.1 */
534 if(block
[0]==8 && block
[1]==0)
538 /* Find the partition starting location -- [E] 3/10.5.8 */
539 PD_sector
= block
[188 + 0];
540 PD_sector
|= block
[188 + 1] << 8;
541 PD_sector
|= block
[188 + 2] << 16;
542 PD_sector
|= block
[188 + 3] << 24;
544 /* Find the partition length -- [E] 3/10.5.9 */
545 PD_length
= block
[192 + 0];
546 PD_length
|= block
[192 + 1] << 8;
547 PD_length
|= block
[192 + 2] << 16;
548 PD_length
|= block
[192 + 3] << 24;
550 for(i
=PD_sector
; i
<PD_sector
+PD_length
; i
++)
552 if(!read_cd_block(handle
, block
, i
*BLOCK_SIZE
))
555 /* File Set Descriptor Tag Id -- [E] 3/14.1.1 */
556 if(block
[0]==0 && block
[1]==1)
561 WARN("FSD sector not found, serial may be incorrect\n");
566 /**************************************************************************
567 * get_superblock_serial
569 static DWORD
get_superblock_serial( const UNICODE_STRING
*device
, HANDLE handle
,
570 enum fs_type type
, const BYTE
*superblock
)
573 BYTE block
[BLOCK_SIZE
];
580 return get_filesystem_serial( device
);
582 return GETLONG( superblock
, 0x27 );
584 return GETLONG( superblock
, 0x33 );
586 FSD_sector
= udf_find_fsd_sector(handle
, block
);
587 if (!read_cd_block(handle
, block
, FSD_sector
*BLOCK_SIZE
))
596 sum
[0] = sum
[1] = sum
[2] = sum
[3] = 0;
597 for (i
= 0; i
< 2048; i
+= 4)
599 /* DON'T optimize this into DWORD !! (breaks overflow) */
600 sum
[0] += superblock
[i
+0];
601 sum
[1] += superblock
[i
+1];
602 sum
[2] += superblock
[i
+2];
603 sum
[3] += superblock
[i
+3];
606 * OK, another braindead one... argh. Just believe it.
607 * Me$$ysoft chose to reverse the serial number in NT4/W2K.
608 * It's true and nobody will ever be able to change it.
610 if ((GetVersion() & 0x80000000) || type
== FS_UDF
)
611 return (sum
[3] << 24) | (sum
[2] << 16) | (sum
[1] << 8) | sum
[0];
613 return (sum
[0] << 24) | (sum
[1] << 16) | (sum
[2] << 8) | sum
[3];
620 /**************************************************************************
623 static DWORD
get_audiocd_serial( const CDROM_TOC
*toc
)
628 for (i
= 0; i
<= toc
->LastTrack
- toc
->FirstTrack
; i
++)
629 serial
+= ((toc
->TrackData
[i
].Address
[1] << 16) |
630 (toc
->TrackData
[i
].Address
[2] << 8) |
631 toc
->TrackData
[i
].Address
[3]);
634 * dwStart, dwEnd collect the beginning and end of the disc respectively, in
636 * There it is collected for correcting the serial when there are less than
639 if (toc
->LastTrack
- toc
->FirstTrack
+ 1 < 3)
641 DWORD dwStart
= FRAME_OF_TOC(toc
, toc
->FirstTrack
);
642 DWORD dwEnd
= FRAME_OF_TOC(toc
, toc
->LastTrack
+ 1);
643 serial
+= dwEnd
- dwStart
;
649 /***********************************************************************
650 * GetVolumeInformationW (kernelbase.@)
652 BOOL WINAPI DECLSPEC_HOTPATCH
GetVolumeInformationW( LPCWSTR root
, LPWSTR label
, DWORD label_len
,
653 DWORD
*serial
, DWORD
*filename_len
, DWORD
*flags
,
654 LPWSTR fsname
, DWORD fsname_len
)
658 UNICODE_STRING nt_name
;
660 OBJECT_ATTRIBUTES attr
;
661 FILE_FS_DEVICE_INFORMATION info
;
663 enum fs_type type
= FS_UNKNOWN
;
666 if (!root
) root
= L
"\\";
667 if (!RtlDosPathNameToNtPathName_U( root
, &nt_name
, NULL
, NULL
))
669 SetLastError( ERROR_PATH_NOT_FOUND
);
672 /* there must be exactly one backslash in the name, at the end */
673 for (i
= 4; i
< nt_name
.Length
/ sizeof(WCHAR
); i
++) if (nt_name
.Buffer
[i
] == '\\') break;
674 if (i
!= nt_name
.Length
/ sizeof(WCHAR
) - 1)
676 /* check if root contains an explicit subdir */
677 if (root
[0] && root
[1] == ':') root
+= 2;
678 while (*root
== '\\') root
++;
679 if (wcschr( root
, '\\' ))
680 SetLastError( ERROR_DIR_NOT_ROOT
);
682 SetLastError( ERROR_INVALID_NAME
);
686 /* try to open the device */
688 attr
.Length
= sizeof(attr
);
689 attr
.RootDirectory
= 0;
690 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
691 attr
.ObjectName
= &nt_name
;
692 attr
.SecurityDescriptor
= NULL
;
693 attr
.SecurityQualityOfService
= NULL
;
695 nt_name
.Length
-= sizeof(WCHAR
); /* without trailing slash */
696 status
= NtOpenFile( &handle
, GENERIC_READ
| SYNCHRONIZE
, &attr
, &io
, FILE_SHARE_READ
| FILE_SHARE_WRITE
,
697 FILE_NON_DIRECTORY_FILE
| FILE_SYNCHRONOUS_IO_NONALERT
);
698 nt_name
.Length
+= sizeof(WCHAR
);
700 if (status
== STATUS_SUCCESS
)
702 BYTE superblock
[SUPERBLOCK_SIZE
];
706 /* check for audio CD */
707 /* FIXME: we only check the first track for now */
708 if (DeviceIoControl( handle
, IOCTL_CDROM_READ_TOC
, NULL
, 0, &toc
, sizeof(toc
), &br
, 0 ))
710 if (!(toc
.TrackData
[0].Control
& 0x04)) /* audio track */
712 TRACE( "%s: found audio CD\n", debugstr_w(nt_name
.Buffer
) );
713 if (label
) lstrcpynW( label
, L
"Audio CD", label_len
);
714 if (serial
) *serial
= get_audiocd_serial( &toc
);
715 CloseHandle( handle
);
719 type
= read_cd_superblock( handle
, superblock
);
723 type
= read_fat_superblock( handle
, superblock
);
724 if (type
== FS_UNKNOWN
) type
= read_cd_superblock( handle
, superblock
);
726 TRACE( "%s: found fs type %d\n", debugstr_w(nt_name
.Buffer
), type
);
727 if (type
== FS_ERROR
)
729 CloseHandle( handle
);
733 if (label
&& label_len
) get_superblock_label( &nt_name
, handle
, type
, superblock
, label
, label_len
);
734 if (serial
) *serial
= get_superblock_serial( &nt_name
, handle
, type
, superblock
);
735 CloseHandle( handle
);
740 TRACE( "cannot open device %s: %x\n", debugstr_w(nt_name
.Buffer
), status
);
741 if (status
== STATUS_ACCESS_DENIED
)
742 MESSAGE( "wine: Read access denied for device %s, FS volume label and serial are not available.\n", debugstr_w(nt_name
.Buffer
) );
744 /* we couldn't open the device, fallback to default strategy */
746 if (!set_ntstatus( NtOpenFile( &handle
, SYNCHRONIZE
, &attr
, &io
, 0,
747 FILE_DIRECTORY_FILE
| FILE_SYNCHRONOUS_IO_NONALERT
)))
750 status
= NtQueryVolumeInformationFile( handle
, &io
, &info
, sizeof(info
), FileFsDeviceInformation
);
752 if (!set_ntstatus( status
)) goto done
;
754 if (info
.DeviceType
== FILE_DEVICE_CD_ROM_FILE_SYSTEM
) type
= FS_ISO9660
;
756 if (label
&& label_len
) get_filesystem_label( &nt_name
, label
, label_len
);
757 if (serial
) *serial
= get_filesystem_serial( &nt_name
);
759 fill_fs_info
: /* now fill in the information that depends on the file system type */
764 if (fsname
) lstrcpynW( fsname
, L
"CDFS", fsname_len
);
765 if (filename_len
) *filename_len
= 221;
766 if (flags
) *flags
= FILE_READ_ONLY_VOLUME
;
769 if (fsname
) lstrcpynW( fsname
, L
"UDF", fsname_len
);
770 if (filename_len
) *filename_len
= 255;
772 *flags
= FILE_READ_ONLY_VOLUME
| FILE_UNICODE_ON_DISK
| FILE_CASE_SENSITIVE_SEARCH
;
775 if (fsname
) lstrcpynW( fsname
, L
"FAT", fsname_len
);
777 if (type
== FS_FAT32
&& fsname
) lstrcpynW( fsname
, L
"FAT32", fsname_len
);
778 if (filename_len
) *filename_len
= 255;
779 if (flags
) *flags
= FILE_CASE_PRESERVED_NAMES
; /* FIXME */
782 if (fsname
) lstrcpynW( fsname
, L
"NTFS", fsname_len
);
783 if (filename_len
) *filename_len
= 255;
784 if (flags
) *flags
= FILE_CASE_PRESERVED_NAMES
| FILE_PERSISTENT_ACLS
;
790 RtlFreeUnicodeString( &nt_name
);
795 /***********************************************************************
796 * GetVolumeInformationA (kernelbase.@)
798 BOOL WINAPI
GetVolumeInformationA( LPCSTR root
, LPSTR label
,
799 DWORD label_len
, DWORD
*serial
,
800 DWORD
*filename_len
, DWORD
*flags
,
801 LPSTR fsname
, DWORD fsname_len
)
804 LPWSTR labelW
, fsnameW
;
807 if (root
&& !(rootW
= file_name_AtoW( root
, FALSE
))) return FALSE
;
809 labelW
= label
? HeapAlloc(GetProcessHeap(), 0, label_len
* sizeof(WCHAR
)) : NULL
;
810 fsnameW
= fsname
? HeapAlloc(GetProcessHeap(), 0, fsname_len
* sizeof(WCHAR
)) : NULL
;
812 if ((ret
= GetVolumeInformationW(rootW
, labelW
, label_len
, serial
,
813 filename_len
, flags
, fsnameW
, fsname_len
)))
815 if (label
) file_name_WtoA( labelW
, -1, label
, label_len
);
816 if (fsname
) file_name_WtoA( fsnameW
, -1, fsname
, fsname_len
);
819 HeapFree( GetProcessHeap(), 0, labelW
);
820 HeapFree( GetProcessHeap(), 0, fsnameW
);
825 /***********************************************************************
826 * GetVolumeNameForVolumeMountPointW (kernelbase.@)
828 BOOL WINAPI
GetVolumeNameForVolumeMountPointW( LPCWSTR path
, LPWSTR volume
, DWORD size
)
830 MOUNTMGR_MOUNT_POINT
*input
= NULL
, *o1
;
831 MOUNTMGR_MOUNT_POINTS
*output
= NULL
;
834 DWORD i
, i_size
= 1024, o_size
= 1024;
835 WCHAR
*nonpersist_name
;
836 WCHAR symlink_name
[MAX_PATH
];
838 HANDLE mgr
= INVALID_HANDLE_VALUE
;
842 TRACE("(%s, %p, %x)\n", debugstr_w(path
), volume
, size
);
843 if (path
[lstrlenW(path
)-1] != '\\')
845 SetLastError( ERROR_INVALID_NAME
);
851 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
854 /* if length of input is > 3 then it must be a mounted folder */
855 if (lstrlenW(path
) > 3)
857 FIXME("Mounted Folders are not yet supported\n");
858 SetLastError( ERROR_NOT_A_REPARSE_POINT
);
862 mgr
= CreateFileW( MOUNTMGR_DOS_DEVICE_NAME
, 0, FILE_SHARE_READ
,
863 NULL
, OPEN_EXISTING
, 0, 0 );
864 if (mgr
== INVALID_HANDLE_VALUE
) return FALSE
;
866 if (!(input
= HeapAlloc( GetProcessHeap(), 0, i_size
)))
868 SetLastError( ERROR_NOT_ENOUGH_MEMORY
);
872 if (!(output
= HeapAlloc( GetProcessHeap(), 0, o_size
)))
874 SetLastError( ERROR_NOT_ENOUGH_MEMORY
);
878 /* construct the symlink name as "\DosDevices\C:" */
879 lstrcpyW( symlink_name
, L
"\\DosDevices\\" );
880 lstrcatW( symlink_name
, path
);
881 symlink_name
[lstrlenW(symlink_name
)-1] = 0;
883 /* Take the mount point and get the "nonpersistent name" */
884 /* We will then take that and get the volume name */
885 nonpersist_name
= (WCHAR
*)(input
+ 1);
886 status
= read_nt_symlink( symlink_name
, nonpersist_name
, i_size
- sizeof(*input
) );
887 TRACE("read_nt_symlink got stat=%x, for %s, got <%s>\n", status
,
888 debugstr_w(symlink_name
), debugstr_w(nonpersist_name
));
889 if (status
!= STATUS_SUCCESS
)
891 SetLastError( ERROR_FILE_NOT_FOUND
);
895 /* Now take the "nonpersistent name" and ask the mountmgr */
896 /* to give us all the mount points. One of them will be */
897 /* the volume name (format of \??\Volume{). */
898 memset( input
, 0, sizeof(*input
) ); /* clear all input parameters */
899 input
->DeviceNameOffset
= sizeof(*input
);
900 input
->DeviceNameLength
= lstrlenW( nonpersist_name
) * sizeof(WCHAR
);
901 i_size
= input
->DeviceNameOffset
+ input
->DeviceNameLength
;
903 output
->Size
= o_size
;
905 /* now get the true volume name from the mountmgr */
906 if (!DeviceIoControl( mgr
, IOCTL_MOUNTMGR_QUERY_POINTS
, input
, i_size
,
907 output
, o_size
, &br
, NULL
))
910 /* Verify and return the data, note string is not null terminated */
911 TRACE("found %d matching mount points\n", output
->NumberOfMountPoints
);
912 if (output
->NumberOfMountPoints
< 1)
914 SetLastError( ERROR_NO_VOLUME_ID
);
917 o1
= &output
->MountPoints
[0];
919 /* look for the volume name in returned values */
920 for(i
=0;i
<output
->NumberOfMountPoints
;i
++)
922 p
= (WCHAR
*)((char *)output
+ o1
->SymbolicLinkNameOffset
);
923 r
= (char *)output
+ o1
->UniqueIdOffset
;
924 TRACE("found symlink=%s, unique=%s, devname=%s\n",
925 debugstr_wn(p
, o1
->SymbolicLinkNameLength
/sizeof(WCHAR
)),
926 debugstr_an(r
, o1
->UniqueIdLength
),
927 debugstr_wn((WCHAR
*)((char *)output
+ o1
->DeviceNameOffset
),
928 o1
->DeviceNameLength
/sizeof(WCHAR
)));
930 if (!wcsncmp( p
, L
"\\??\\Volume{", wcslen(L
"\\??\\Volume{") ))
932 /* is there space in the return variable ?? */
933 if ((o1
->SymbolicLinkNameLength
/sizeof(WCHAR
))+2 > size
)
935 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
938 memcpy( volume
, p
, o1
->SymbolicLinkNameLength
);
939 volume
[o1
->SymbolicLinkNameLength
/ sizeof(WCHAR
)] = 0;
940 lstrcatW( volume
, L
"\\" );
941 /* change second char from '?' to '\' */
950 HeapFree( GetProcessHeap(), 0, input
);
951 HeapFree( GetProcessHeap(), 0, output
);
957 /***********************************************************************
958 * DefineDosDeviceW (kernelbase.@)
960 BOOL WINAPI DECLSPEC_HOTPATCH
DefineDosDeviceW( DWORD flags
, const WCHAR
*device
, const WCHAR
*target
)
962 WCHAR link_name
[15] = L
"\\DosDevices\\";
963 UNICODE_STRING nt_name
, nt_target
;
964 OBJECT_ATTRIBUTES attr
;
968 TRACE("%#x, %s, %s\n", flags
, debugstr_w(device
), debugstr_w(target
));
970 if (flags
& ~(DDD_RAW_TARGET_PATH
| DDD_REMOVE_DEFINITION
))
971 FIXME("Ignoring flags %#x.\n", flags
& ~(DDD_RAW_TARGET_PATH
| DDD_REMOVE_DEFINITION
));
973 lstrcatW( link_name
, device
);
974 RtlInitUnicodeString( &nt_name
, link_name
);
975 InitializeObjectAttributes( &attr
, &nt_name
, OBJ_CASE_INSENSITIVE
, 0, NULL
);
976 if (flags
& DDD_REMOVE_DEFINITION
)
978 if (!set_ntstatus( NtOpenSymbolicLinkObject( &handle
, 0, &attr
) ))
981 SERVER_START_REQ( unlink_object
)
983 req
->handle
= wine_server_obj_handle( handle
);
984 status
= wine_server_call( req
);
989 return set_ntstatus( status
);
992 if (!(flags
& DDD_RAW_TARGET_PATH
))
994 if (!RtlDosPathNameToNtPathName_U( target
, &nt_target
, NULL
, NULL
))
996 SetLastError( ERROR_PATH_NOT_FOUND
);
1001 RtlInitUnicodeString( &nt_target
, target
);
1003 return set_ntstatus( NtCreateSymbolicLinkObject( &handle
, SYMBOLIC_LINK_ALL_ACCESS
, &attr
, &nt_target
) );
1007 /***********************************************************************
1008 * QueryDosDeviceW (kernelbase.@)
1010 * returns array of strings terminated by \0, terminated by \0
1012 DWORD WINAPI
QueryDosDeviceW( LPCWSTR devname
, LPWSTR target
, DWORD bufsize
)
1014 UNICODE_STRING nt_name
;
1019 SetLastError( ERROR_INSUFFICIENT_BUFFER
);
1027 DWORD dosdev
, ret
= 0;
1029 if ((dosdev
= RtlIsDosDeviceName_U( devname
)))
1031 memcpy( name
, devname
+ HIWORD(dosdev
)/sizeof(WCHAR
), LOWORD(dosdev
) );
1032 name
[LOWORD(dosdev
)/sizeof(WCHAR
)] = 0;
1036 if (!(buffer
= HeapAlloc( GetProcessHeap(), 0, sizeof(L
"\\DosDevices\\") + lstrlenW(devname
)*sizeof(WCHAR
) )))
1038 SetLastError( ERROR_OUTOFMEMORY
);
1041 lstrcpyW( buffer
, L
"\\DosDevices\\" );
1042 lstrcatW( buffer
, devname
);
1043 status
= read_nt_symlink( buffer
, target
, bufsize
);
1044 HeapFree( GetProcessHeap(), 0, buffer
);
1045 if (!set_ntstatus( status
)) return 0;
1046 ret
= lstrlenW( target
) + 1;
1047 if (ret
< bufsize
) target
[ret
++] = 0; /* add an extra null */
1050 else /* return a list of all devices */
1052 OBJECT_ATTRIBUTES attr
;
1056 RtlInitUnicodeString( &nt_name
, L
"\\DosDevices\\" );
1057 nt_name
.Length
-= sizeof(WCHAR
); /* without trailing slash */
1058 attr
.Length
= sizeof(attr
);
1059 attr
.RootDirectory
= 0;
1060 attr
.ObjectName
= &nt_name
;
1061 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
1062 attr
.SecurityDescriptor
= NULL
;
1063 attr
.SecurityQualityOfService
= NULL
;
1064 status
= NtOpenDirectoryObject( &handle
, FILE_LIST_DIRECTORY
, &attr
);
1068 DIRECTORY_BASIC_INFORMATION
*info
= (DIRECTORY_BASIC_INFORMATION
*)data
;
1071 while (!NtQueryDirectoryObject( handle
, info
, sizeof(data
), 1, 0, &ctx
, &len
))
1073 if (p
+ info
->ObjectName
.Length
/sizeof(WCHAR
) + 1 >= target
+ bufsize
)
1075 SetLastError( ERROR_INSUFFICIENT_BUFFER
);
1079 memcpy( p
, info
->ObjectName
.Buffer
, info
->ObjectName
.Length
);
1080 p
+= info
->ObjectName
.Length
/sizeof(WCHAR
);
1086 *p
++ = 0; /* terminating null */
1092 /***********************************************************************
1093 * GetLogicalDrives (kernelbase.@)
1095 DWORD WINAPI DECLSPEC_HOTPATCH
GetLogicalDrives(void)
1097 OBJECT_ATTRIBUTES attr
;
1098 UNICODE_STRING nt_name
;
1103 RtlInitUnicodeString( &nt_name
, L
"\\DosDevices\\" );
1104 nt_name
.Length
-= sizeof(WCHAR
); /* without trailing slash */
1105 attr
.Length
= sizeof(attr
);
1106 attr
.RootDirectory
= 0;
1107 attr
.ObjectName
= &nt_name
;
1108 attr
.Attributes
= OBJ_CASE_INSENSITIVE
;
1109 attr
.SecurityDescriptor
= NULL
;
1110 attr
.SecurityQualityOfService
= NULL
;
1111 status
= NtOpenDirectoryObject( &handle
, FILE_LIST_DIRECTORY
, &attr
);
1115 DIRECTORY_BASIC_INFORMATION
*info
= (DIRECTORY_BASIC_INFORMATION
*)data
;
1118 while (!NtQueryDirectoryObject( handle
, info
, sizeof(data
), 1, 0, &ctx
, &len
))
1119 if(info
->ObjectName
.Length
== 2*sizeof(WCHAR
) && info
->ObjectName
.Buffer
[1] == ':')
1120 bitmask
|= 1 << (info
->ObjectName
.Buffer
[0] - 'A');
1129 /***********************************************************************
1130 * GetLogicalDriveStringsW (kernelbase.@)
1132 UINT WINAPI DECLSPEC_HOTPATCH
GetLogicalDriveStringsW( UINT len
, LPWSTR buffer
)
1134 DWORD drives
= GetLogicalDrives();
1137 for (drive
= count
= 0; drive
< 26; drive
++) if (drives
& (1 << drive
)) count
++;
1138 if ((count
* 4) + 1 > len
) return count
* 4 + 1;
1140 for (drive
= 0; drive
< 26; drive
++)
1142 if (drives
& (1 << drive
))
1144 *buffer
++ = 'A' + drive
;
1155 /***********************************************************************
1156 * GetDriveTypeW (kernelbase.@)
1158 UINT WINAPI DECLSPEC_HOTPATCH
GetDriveTypeW( LPCWSTR root
)
1160 FILE_FS_DEVICE_INFORMATION info
;
1166 if (!open_device_root( root
, &handle
))
1168 /* CD ROM devices do not necessarily have a volume, but a drive type */
1169 ret
= get_mountmgr_drive_type( root
);
1170 if (ret
== DRIVE_CDROM
|| ret
== DRIVE_REMOVABLE
)
1173 return DRIVE_NO_ROOT_DIR
;
1176 status
= NtQueryVolumeInformationFile( handle
, &io
, &info
, sizeof(info
), FileFsDeviceInformation
);
1178 if (status
!= STATUS_SUCCESS
)
1180 SetLastError( RtlNtStatusToDosError(status
) );
1181 ret
= DRIVE_UNKNOWN
;
1185 switch (info
.DeviceType
)
1187 case FILE_DEVICE_CD_ROM_FILE_SYSTEM
: ret
= DRIVE_CDROM
; break;
1188 case FILE_DEVICE_VIRTUAL_DISK
: ret
= DRIVE_RAMDISK
; break;
1189 case FILE_DEVICE_NETWORK_FILE_SYSTEM
: ret
= DRIVE_REMOTE
; break;
1190 case FILE_DEVICE_DISK_FILE_SYSTEM
:
1191 if (info
.Characteristics
& FILE_REMOTE_DEVICE
) ret
= DRIVE_REMOTE
;
1192 else if (info
.Characteristics
& FILE_REMOVABLE_MEDIA
) ret
= DRIVE_REMOVABLE
;
1193 else if ((ret
= get_mountmgr_drive_type( root
)) == DRIVE_UNKNOWN
) ret
= DRIVE_FIXED
;
1196 ret
= DRIVE_UNKNOWN
;
1200 TRACE( "%s -> %d\n", debugstr_w(root
), ret
);
1205 /***********************************************************************
1206 * GetDriveTypeA (kernelbase.@)
1208 UINT WINAPI DECLSPEC_HOTPATCH
GetDriveTypeA( LPCSTR root
)
1210 WCHAR
*rootW
= NULL
;
1212 if (root
&& !(rootW
= file_name_AtoW( root
, FALSE
))) return DRIVE_NO_ROOT_DIR
;
1213 return GetDriveTypeW( rootW
);
1217 /***********************************************************************
1218 * GetDiskFreeSpaceExW (kernelbase.@)
1220 BOOL WINAPI DECLSPEC_HOTPATCH
GetDiskFreeSpaceExW( LPCWSTR root
, PULARGE_INTEGER avail
,
1221 PULARGE_INTEGER total
, PULARGE_INTEGER totalfree
)
1223 FILE_FS_SIZE_INFORMATION info
;
1229 TRACE( "%s,%p,%p,%p\n", debugstr_w(root
), avail
, total
, totalfree
);
1231 if (!open_device_root( root
, &handle
)) return FALSE
;
1233 status
= NtQueryVolumeInformationFile( handle
, &io
, &info
, sizeof(info
), FileFsSizeInformation
);
1235 if (!set_ntstatus( status
)) return FALSE
;
1237 units
= info
.SectorsPerAllocationUnit
* info
.BytesPerSector
;
1238 if (total
) total
->QuadPart
= info
.TotalAllocationUnits
.QuadPart
* units
;
1239 if (totalfree
) totalfree
->QuadPart
= info
.AvailableAllocationUnits
.QuadPart
* units
;
1240 /* FIXME: this one should take quotas into account */
1241 if (avail
) avail
->QuadPart
= info
.AvailableAllocationUnits
.QuadPart
* units
;
1246 /***********************************************************************
1247 * GetDiskFreeSpaceExA (kernelbase.@)
1249 BOOL WINAPI DECLSPEC_HOTPATCH
GetDiskFreeSpaceExA( LPCSTR root
, PULARGE_INTEGER avail
,
1250 PULARGE_INTEGER total
, PULARGE_INTEGER totalfree
)
1252 WCHAR
*rootW
= NULL
;
1254 if (root
&& !(rootW
= file_name_AtoW( root
, FALSE
))) return FALSE
;
1255 return GetDiskFreeSpaceExW( rootW
, avail
, total
, totalfree
);
1259 /***********************************************************************
1260 * GetDiskFreeSpaceW (kernelbase.@)
1262 BOOL WINAPI DECLSPEC_HOTPATCH
GetDiskFreeSpaceW( LPCWSTR root
, LPDWORD cluster_sectors
,
1263 LPDWORD sector_bytes
, LPDWORD free_clusters
,
1264 LPDWORD total_clusters
)
1266 FILE_FS_SIZE_INFORMATION info
;
1272 TRACE( "%s,%p,%p,%p,%p\n", debugstr_w(root
),
1273 cluster_sectors
, sector_bytes
, free_clusters
, total_clusters
);
1275 if (!open_device_root( root
, &handle
)) return FALSE
;
1277 status
= NtQueryVolumeInformationFile( handle
, &io
, &info
, sizeof(info
), FileFsSizeInformation
);
1279 if (!set_ntstatus( status
)) return FALSE
;
1281 units
= info
.SectorsPerAllocationUnit
* info
.BytesPerSector
;
1283 if( GetVersion() & 0x80000000) { /* win3.x, 9x, ME */
1284 /* cap the size and available at 2GB as per specs */
1285 if (info
.TotalAllocationUnits
.QuadPart
* units
> 0x7fffffff) {
1286 info
.TotalAllocationUnits
.QuadPart
= 0x7fffffff / units
;
1287 if (info
.AvailableAllocationUnits
.QuadPart
* units
> 0x7fffffff)
1288 info
.AvailableAllocationUnits
.QuadPart
= 0x7fffffff / units
;
1290 /* nr. of clusters is always <= 65335 */
1291 while( info
.TotalAllocationUnits
.QuadPart
> 65535 ) {
1292 info
.TotalAllocationUnits
.QuadPart
/= 2;
1293 info
.AvailableAllocationUnits
.QuadPart
/= 2;
1294 info
.SectorsPerAllocationUnit
*= 2;
1298 if (cluster_sectors
) *cluster_sectors
= info
.SectorsPerAllocationUnit
;
1299 if (sector_bytes
) *sector_bytes
= info
.BytesPerSector
;
1300 if (free_clusters
) *free_clusters
= info
.AvailableAllocationUnits
.u
.LowPart
;
1301 if (total_clusters
) *total_clusters
= info
.TotalAllocationUnits
.u
.LowPart
;
1302 TRACE("%#08x, %#08x, %#08x, %#08x\n", info
.SectorsPerAllocationUnit
, info
.BytesPerSector
,
1303 info
.AvailableAllocationUnits
.u
.LowPart
, info
.TotalAllocationUnits
.u
.LowPart
);
1308 /***********************************************************************
1309 * GetDiskFreeSpaceA (kernelbase.@)
1311 BOOL WINAPI DECLSPEC_HOTPATCH
GetDiskFreeSpaceA( LPCSTR root
, LPDWORD cluster_sectors
,
1312 LPDWORD sector_bytes
, LPDWORD free_clusters
,
1313 LPDWORD total_clusters
)
1315 WCHAR
*rootW
= NULL
;
1317 if (root
&& !(rootW
= file_name_AtoW( root
, FALSE
))) return FALSE
;
1318 return GetDiskFreeSpaceW( rootW
, cluster_sectors
, sector_bytes
, free_clusters
, total_clusters
);
1322 static BOOL
is_dos_path( const UNICODE_STRING
*path
)
1324 static const WCHAR global_prefix
[4] = {'\\','?','?','\\'};
1325 return path
->Length
>= 7 * sizeof(WCHAR
)
1326 && !memcmp(path
->Buffer
, global_prefix
, sizeof(global_prefix
))
1327 && path
->Buffer
[5] == ':' && path
->Buffer
[6] == '\\';
1330 /* resolve all symlinks in a path in-place; return FALSE if allocation failed */
1331 static BOOL
resolve_symlink( UNICODE_STRING
*path
)
1333 OBJECT_NAME_INFORMATION
*info
;
1334 OBJECT_ATTRIBUTES attr
;
1340 InitializeObjectAttributes( &attr
, path
, OBJ_CASE_INSENSITIVE
, 0, NULL
);
1341 if (NtOpenFile( &file
, SYNCHRONIZE
, &attr
, &io
, FILE_SHARE_READ
| FILE_SHARE_WRITE
| FILE_SHARE_DELETE
,
1342 FILE_DIRECTORY_FILE
| FILE_SYNCHRONOUS_IO_NONALERT
))
1345 if (NtQueryObject( file
, ObjectNameInformation
, NULL
, 0, &size
) != STATUS_INFO_LENGTH_MISMATCH
)
1351 if (!(info
= HeapAlloc( GetProcessHeap(), 0, size
)))
1357 status
= NtQueryObject( file
, ObjectNameInformation
, info
, size
, NULL
);
1362 RtlFreeUnicodeString( path
);
1363 status
= RtlDuplicateUnicodeString( 0, &info
->Name
, path
);
1364 HeapFree( GetProcessHeap(), 0, info
);
1368 /***********************************************************************
1369 * GetVolumePathNameW (kernelbase.@)
1371 BOOL WINAPI DECLSPEC_HOTPATCH
GetVolumePathNameW( const WCHAR
*path
, WCHAR
*volume_path
, DWORD length
)
1373 FILE_ATTRIBUTE_TAG_INFORMATION attr_info
;
1374 FILE_BASIC_INFORMATION basic_info
;
1375 OBJECT_ATTRIBUTES attr
;
1376 UNICODE_STRING nt_name
;
1379 if (path
&& !wcsncmp(path
, L
"\\??\\", 4))
1381 WCHAR current_drive
[MAX_PATH
];
1383 GetCurrentDirectoryW( ARRAY_SIZE(current_drive
), current_drive
);
1386 WCHAR ret_path
[4] = {current_drive
[0], ':', '\\', 0};
1387 lstrcpynW( volume_path
, ret_path
, length
);
1391 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1395 if (!volume_path
|| !length
|| !RtlDosPathNameToNtPathName_U( path
, &nt_name
, NULL
, NULL
))
1397 SetLastError( ERROR_INVALID_PARAMETER
);
1401 if (!is_dos_path( &nt_name
))
1403 RtlFreeUnicodeString( &nt_name
);
1404 WARN("invalid path %s\n", debugstr_w(path
));
1405 SetLastError( ERROR_INVALID_NAME
);
1409 InitializeObjectAttributes( &attr
, &nt_name
, OBJ_CASE_INSENSITIVE
, 0, NULL
);
1411 while (nt_name
.Length
> 7 * sizeof(WCHAR
))
1416 if (!NtQueryAttributesFile( &attr
, &basic_info
)
1417 && (basic_info
.FileAttributes
& FILE_ATTRIBUTE_REPARSE_POINT
)
1418 && (basic_info
.FileAttributes
& FILE_ATTRIBUTE_DIRECTORY
)
1419 && !NtOpenFile( &file
, SYNCHRONIZE
| FILE_READ_ATTRIBUTES
, &attr
, &io
,
1420 FILE_SHARE_READ
| FILE_SHARE_WRITE
| FILE_SHARE_DELETE
,
1421 FILE_OPEN_REPARSE_POINT
| FILE_DIRECTORY_FILE
| FILE_SYNCHRONOUS_IO_NONALERT
))
1423 status
= NtQueryInformationFile( file
, &io
, &attr_info
,
1424 sizeof(attr_info
), FileAttributeTagInformation
);
1429 if (attr_info
.ReparseTag
== IO_REPARSE_TAG_MOUNT_POINT
)
1432 if (!resolve_symlink( &nt_name
))
1434 SetLastError( ERROR_OUTOFMEMORY
);
1440 if (nt_name
.Buffer
[(nt_name
.Length
/ sizeof(WCHAR
)) - 1] == '\\')
1441 nt_name
.Length
-= sizeof(WCHAR
);
1442 while (nt_name
.Length
&& nt_name
.Buffer
[(nt_name
.Length
/ sizeof(WCHAR
)) - 1] != '\\')
1443 nt_name
.Length
-= sizeof(WCHAR
);
1446 nt_name
.Buffer
[nt_name
.Length
/ sizeof(WCHAR
)] = 0;
1448 if (NtQueryAttributesFile( &attr
, &basic_info
))
1450 RtlFreeUnicodeString( &nt_name
);
1451 WARN("nonexistent path %s -> %s\n", debugstr_w(path
), debugstr_w( nt_name
.Buffer
));
1452 SetLastError( ERROR_FILE_NOT_FOUND
);
1456 if (!wcsncmp(path
, L
"\\\\.\\", 4) || !wcsncmp(path
, L
"\\\\?\\", 4))
1458 if (length
>= nt_name
.Length
/ sizeof(WCHAR
))
1460 memcpy(volume_path
, path
, 4 * sizeof(WCHAR
));
1461 lstrcpynW( volume_path
+ 4, nt_name
.Buffer
+ 4, length
- 4 );
1463 TRACE("%s -> %s\n", debugstr_w(path
), debugstr_w(volume_path
));
1465 RtlFreeUnicodeString( &nt_name
);
1469 else if (length
>= (nt_name
.Length
/ sizeof(WCHAR
)) - 4)
1471 lstrcpynW( volume_path
, nt_name
.Buffer
+ 4, length
);
1472 volume_path
[0] = towupper(volume_path
[0]);
1474 TRACE("%s -> %s\n", debugstr_w(path
), debugstr_w(volume_path
));
1476 RtlFreeUnicodeString( &nt_name
);
1480 RtlFreeUnicodeString( &nt_name
);
1481 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1486 static MOUNTMGR_MOUNT_POINTS
*query_mount_points( HANDLE mgr
, MOUNTMGR_MOUNT_POINT
*input
, DWORD insize
)
1488 MOUNTMGR_MOUNT_POINTS
*output
;
1489 DWORD outsize
= 1024;
1494 if (!(output
= HeapAlloc( GetProcessHeap(), 0, outsize
)))
1496 SetLastError( ERROR_NOT_ENOUGH_MEMORY
);
1499 if (DeviceIoControl( mgr
, IOCTL_MOUNTMGR_QUERY_POINTS
, input
, insize
, output
, outsize
, &br
, NULL
)) break;
1500 outsize
= output
->Size
;
1501 HeapFree( GetProcessHeap(), 0, output
);
1502 if (GetLastError() != ERROR_MORE_DATA
) return NULL
;
1507 /***********************************************************************
1508 * GetVolumePathNamesForVolumeNameW (kernelbase.@)
1510 BOOL WINAPI DECLSPEC_HOTPATCH
GetVolumePathNamesForVolumeNameW( LPCWSTR volumename
, LPWSTR volumepathname
,
1511 DWORD buflen
, PDWORD returnlen
)
1513 static const WCHAR dosdevicesW
[] = {'\\','D','o','s','D','e','v','i','c','e','s','\\'};
1516 MOUNTMGR_MOUNT_POINT
*spec
;
1517 MOUNTMGR_MOUNT_POINTS
*link
, *target
= NULL
;
1522 TRACE("%s, %p, %u, %p\n", debugstr_w(volumename
), volumepathname
, buflen
, returnlen
);
1524 if (!volumename
|| (len
= lstrlenW( volumename
)) != 49)
1526 SetLastError( ERROR_INVALID_NAME
);
1529 mgr
= CreateFileW( MOUNTMGR_DOS_DEVICE_NAME
, 0, FILE_SHARE_READ
|FILE_SHARE_WRITE
, NULL
, OPEN_EXISTING
, 0, 0 );
1530 if (mgr
== INVALID_HANDLE_VALUE
) return FALSE
;
1532 size
= sizeof(*spec
) + sizeof(WCHAR
) * (len
- 1); /* remove trailing backslash */
1533 if (!(spec
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, size
))) goto done
;
1534 spec
->SymbolicLinkNameOffset
= sizeof(*spec
);
1535 spec
->SymbolicLinkNameLength
= size
- sizeof(*spec
);
1536 name
= (WCHAR
*)((char *)spec
+ spec
->SymbolicLinkNameOffset
);
1537 memcpy( name
, volumename
, size
- sizeof(*spec
) );
1538 name
[1] = '?'; /* map \\?\ to \??\ */
1540 target
= query_mount_points( mgr
, spec
, size
);
1541 HeapFree( GetProcessHeap(), 0, spec
);
1546 if (!target
->NumberOfMountPoints
)
1548 SetLastError( ERROR_FILE_NOT_FOUND
);
1552 path
= volumepathname
;
1553 for (i
= 0; i
< target
->NumberOfMountPoints
; i
++)
1556 if (target
->MountPoints
[i
].DeviceNameOffset
)
1558 const WCHAR
*device
= (const WCHAR
*)((const char *)target
+ target
->MountPoints
[i
].DeviceNameOffset
);
1559 USHORT device_len
= target
->MountPoints
[i
].DeviceNameLength
;
1561 size
= sizeof(*spec
) + device_len
;
1562 if (!(spec
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, size
))) goto done
;
1563 spec
->DeviceNameOffset
= sizeof(*spec
);
1564 spec
->DeviceNameLength
= device_len
;
1565 memcpy( (char *)spec
+ spec
->DeviceNameOffset
, device
, device_len
);
1567 link
= query_mount_points( mgr
, spec
, size
);
1568 HeapFree( GetProcessHeap(), 0, spec
);
1570 else if (target
->MountPoints
[i
].UniqueIdOffset
)
1572 const WCHAR
*id
= (const WCHAR
*)((const char *)target
+ target
->MountPoints
[i
].UniqueIdOffset
);
1573 USHORT id_len
= target
->MountPoints
[i
].UniqueIdLength
;
1575 size
= sizeof(*spec
) + id_len
;
1576 if (!(spec
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, size
))) goto done
;
1577 spec
->UniqueIdOffset
= sizeof(*spec
);
1578 spec
->UniqueIdLength
= id_len
;
1579 memcpy( (char *)spec
+ spec
->UniqueIdOffset
, id
, id_len
);
1581 link
= query_mount_points( mgr
, spec
, size
);
1582 HeapFree( GetProcessHeap(), 0, spec
);
1584 if (!link
) continue;
1585 for (j
= 0; j
< link
->NumberOfMountPoints
; j
++)
1587 const WCHAR
*linkname
;
1589 if (!link
->MountPoints
[j
].SymbolicLinkNameOffset
) continue;
1590 linkname
= (const WCHAR
*)((const char *)link
+ link
->MountPoints
[j
].SymbolicLinkNameOffset
);
1592 if (link
->MountPoints
[j
].SymbolicLinkNameLength
== sizeof(dosdevicesW
) + 2 * sizeof(WCHAR
) &&
1593 !wcsnicmp( linkname
, dosdevicesW
, ARRAY_SIZE( dosdevicesW
)))
1596 if (volumepathname
&& len
< buflen
)
1598 path
[0] = linkname
[ARRAY_SIZE( dosdevicesW
)];
1606 HeapFree( GetProcessHeap(), 0, link
);
1608 if (buflen
<= len
) SetLastError( ERROR_MORE_DATA
);
1609 else if (volumepathname
)
1611 volumepathname
[len
] = 0;
1614 if (returnlen
) *returnlen
= len
+ 1;
1617 HeapFree( GetProcessHeap(), 0, target
);
1623 /***********************************************************************
1624 * FindFirstVolumeW (kernelbase.@)
1626 HANDLE WINAPI DECLSPEC_HOTPATCH
FindFirstVolumeW( LPWSTR volume
, DWORD len
)
1630 HANDLE mgr
= CreateFileW( MOUNTMGR_DOS_DEVICE_NAME
, 0, FILE_SHARE_READ
|FILE_SHARE_WRITE
,
1631 NULL
, OPEN_EXISTING
, 0, 0 );
1632 if (mgr
== INVALID_HANDLE_VALUE
) return INVALID_HANDLE_VALUE
;
1636 MOUNTMGR_MOUNT_POINT input
;
1637 MOUNTMGR_MOUNT_POINTS
*output
;
1639 if (!(output
= HeapAlloc( GetProcessHeap(), 0, size
)))
1641 SetLastError( ERROR_NOT_ENOUGH_MEMORY
);
1644 memset( &input
, 0, sizeof(input
) );
1646 if (!DeviceIoControl( mgr
, IOCTL_MOUNTMGR_QUERY_POINTS
, &input
, sizeof(input
),
1647 output
, size
, &br
, NULL
))
1649 if (GetLastError() != ERROR_MORE_DATA
) break;
1650 size
= output
->Size
;
1651 HeapFree( GetProcessHeap(), 0, output
);
1655 /* abuse the Size field to store the current index */
1657 if (!FindNextVolumeW( output
, volume
, len
))
1659 HeapFree( GetProcessHeap(), 0, output
);
1660 return INVALID_HANDLE_VALUE
;
1665 return INVALID_HANDLE_VALUE
;
1669 /***********************************************************************
1670 * FindNextVolumeW (kernelbase.@)
1672 BOOL WINAPI DECLSPEC_HOTPATCH
FindNextVolumeW( HANDLE handle
, LPWSTR volume
, DWORD len
)
1674 MOUNTMGR_MOUNT_POINTS
*data
= handle
;
1676 while (data
->Size
< data
->NumberOfMountPoints
)
1678 static const WCHAR volumeW
[] = {'\\','?','?','\\','V','o','l','u','m','e','{',};
1679 WCHAR
*link
= (WCHAR
*)((char *)data
+ data
->MountPoints
[data
->Size
].SymbolicLinkNameOffset
);
1680 DWORD size
= data
->MountPoints
[data
->Size
].SymbolicLinkNameLength
;
1682 /* skip non-volumes */
1683 if (size
< sizeof(volumeW
) || memcmp( link
, volumeW
, sizeof(volumeW
) )) continue;
1684 if (size
+ sizeof(WCHAR
) >= len
* sizeof(WCHAR
))
1686 SetLastError( ERROR_FILENAME_EXCED_RANGE
);
1689 memcpy( volume
, link
, size
);
1690 volume
[1] = '\\'; /* map \??\ to \\?\ */
1691 volume
[size
/ sizeof(WCHAR
)] = '\\'; /* Windows appends a backslash */
1692 volume
[size
/ sizeof(WCHAR
) + 1] = 0;
1693 TRACE( "returning entry %u %s\n", data
->Size
- 1, debugstr_w(volume
) );
1696 SetLastError( ERROR_NO_MORE_FILES
);
1701 /***********************************************************************
1702 * FindVolumeClose (kernelbase.@)
1704 BOOL WINAPI DECLSPEC_HOTPATCH
FindVolumeClose( HANDLE handle
)
1706 return HeapFree( GetProcessHeap(), 0, handle
);
1710 /***********************************************************************
1711 * DeleteVolumeMountPointW (kernelbase.@)
1713 BOOL WINAPI
/* DECLSPEC_HOTPATCH */ DeleteVolumeMountPointW( LPCWSTR mountpoint
)
1715 FIXME("(%s), stub!\n", debugstr_w(mountpoint
));
1720 /***********************************************************************
1721 * GetVolumeInformationByHandleW (kernelbase.@)
1723 BOOL WINAPI
GetVolumeInformationByHandleW( HANDLE handle
, WCHAR
*label
, DWORD label_len
,
1724 DWORD
*serial
, DWORD
*filename_len
, DWORD
*flags
,
1725 WCHAR
*fsname
, DWORD fsname_len
)
1729 TRACE( "%p\n", handle
);
1731 if (label
|| serial
)
1733 char buffer
[sizeof(FILE_FS_VOLUME_INFORMATION
) + MAX_PATH
* sizeof(WCHAR
)];
1734 FILE_FS_VOLUME_INFORMATION
*info
= (FILE_FS_VOLUME_INFORMATION
*)buffer
;
1736 if (!set_ntstatus( NtQueryVolumeInformationFile( handle
, &io
, info
, sizeof(buffer
),
1737 FileFsVolumeInformation
) ))
1742 if (label_len
< info
->VolumeLabelLength
/ sizeof(WCHAR
) + 1)
1744 SetLastError( ERROR_BAD_LENGTH
);
1747 memcpy( label
, info
->VolumeLabel
, info
->VolumeLabelLength
);
1748 label
[info
->VolumeLabelLength
/ sizeof(WCHAR
)] = 0;
1750 if (serial
) *serial
= info
->VolumeSerialNumber
;
1753 if (filename_len
|| flags
|| fsname
)
1755 char buffer
[sizeof(FILE_FS_ATTRIBUTE_INFORMATION
) + MAX_PATH
* sizeof(WCHAR
)];
1756 FILE_FS_ATTRIBUTE_INFORMATION
*info
= (FILE_FS_ATTRIBUTE_INFORMATION
*)buffer
;
1758 if (!set_ntstatus( NtQueryVolumeInformationFile( handle
, &io
, info
, sizeof(buffer
),
1759 FileFsAttributeInformation
) ))
1764 if (fsname_len
< info
->FileSystemNameLength
/ sizeof(WCHAR
) + 1)
1766 SetLastError( ERROR_BAD_LENGTH
);
1769 memcpy( fsname
, info
->FileSystemName
, info
->FileSystemNameLength
);
1770 fsname
[info
->FileSystemNameLength
/ sizeof(WCHAR
)] = 0;
1772 if (filename_len
) *filename_len
= info
->MaximumComponentNameLength
;
1773 if (flags
) *flags
= info
->FileSystemAttributes
;