5 #include <pseh/pseh2.h>
7 #define CACHEPAGESIZE(pDeviceExt) \
8 ((pDeviceExt)->NtfsInfo.UCHARsPerCluster > PAGE_SIZE ? \
9 (pDeviceExt)->NtfsInfo.UCHARsPerCluster : PAGE_SIZE)
11 #define TAG_NTFS 'SFTN'
13 #define ROUND_UP(N, S) ((((N) + (S) - 1) / (S)) * (S))
14 #define ROUND_DOWN(N, S) ((N) - ((N) % (S)))
16 #define DEVICE_NAME L"\\Ntfs"
19 typedef struct _BIOS_PARAMETERS_BLOCK
21 USHORT BytesPerSector
; // 0x0B
22 UCHAR SectorsPerCluster
; // 0x0D
23 UCHAR Unused0
[7]; // 0x0E, checked when volume is mounted
24 UCHAR MediaId
; // 0x15
25 UCHAR Unused1
[2]; // 0x16
26 USHORT SectorsPerTrack
; // 0x18
28 UCHAR Unused2
[4]; // 0x1C
29 UCHAR Unused3
[4]; // 0x20, checked when volume is mounted
30 } BIOS_PARAMETERS_BLOCK
, *PBIOS_PARAMETERS_BLOCK
;
32 typedef struct _EXTENDED_BIOS_PARAMETERS_BLOCK
34 USHORT Unknown
[2]; // 0x24, always 80 00 80 00
35 ULONGLONG SectorCount
; // 0x28
36 ULONGLONG MftLocation
; // 0x30
37 ULONGLONG MftMirrLocation
; // 0x38
38 CHAR ClustersPerMftRecord
; // 0x40
39 UCHAR Unused4
[3]; // 0x41
40 CHAR ClustersPerIndexRecord
; // 0x44
41 UCHAR Unused5
[3]; // 0x45
42 ULONGLONG SerialNumber
; // 0x48
43 UCHAR Checksum
[4]; // 0x50
44 } EXTENDED_BIOS_PARAMETERS_BLOCK
, *PEXTENDED_BIOS_PARAMETERS_BLOCK
;
46 typedef struct _BOOT_SECTOR
48 UCHAR Jump
[3]; // 0x00
49 UCHAR OEMID
[8]; // 0x03
50 BIOS_PARAMETERS_BLOCK BPB
;
51 EXTENDED_BIOS_PARAMETERS_BLOCK EBPB
;
52 UCHAR BootStrap
[426]; // 0x54
53 USHORT EndSector
; // 0x1FE
54 } BOOT_SECTOR
, *PBOOT_SECTOR
;
57 //typedef struct _BootSector BootSector;
59 typedef struct _NTFS_INFO
62 ULONG SectorsPerCluster
;
63 ULONG BytesPerCluster
;
64 ULONGLONG SectorCount
;
65 ULONGLONG ClusterCount
;
66 ULARGE_INTEGER MftStart
;
67 ULARGE_INTEGER MftMirrStart
;
68 ULONG BytesPerFileRecord
;
69 ULONG BytesPerIndexRecord
;
71 ULONGLONG SerialNumber
;
72 USHORT VolumeLabelLength
;
73 WCHAR VolumeLabel
[MAXIMUM_VOLUME_LABEL_LENGTH
];
78 ULONG MftZoneReservation
;
79 } NTFS_INFO
, *PNTFS_INFO
;
81 #define NTFS_TYPE_CCB '20SF'
82 #define NTFS_TYPE_FCB '30SF'
83 #define NTFS_TYPE_VCB '50SF'
84 #define NTFS_TYPE_IRP_CONTEST '60SF'
85 #define NTFS_TYPE_GLOBAL_DATA '70SF'
91 } NTFSIDENTIFIER
, *PNTFSIDENTIFIER
;
95 NTFSIDENTIFIER Identifier
;
97 ERESOURCE DirResource
;
98 // ERESOURCE FatResource;
100 KSPIN_LOCK FcbListLock
;
101 LIST_ENTRY FcbListHead
;
104 PDEVICE_OBJECT StorageDevice
;
105 PFILE_OBJECT StreamFileObject
;
107 struct _NTFS_ATTR_CONTEXT
* MFTContext
;
108 struct _FILE_RECORD_HEADER
* MasterFileTable
;
109 struct _FCB
*VolumeFcb
;
113 } DEVICE_EXTENSION
, *PDEVICE_EXTENSION
, NTFS_VCB
, *PNTFS_VCB
;
117 NTFSIDENTIFIER Identifier
;
119 PFILE_OBJECT PtrFileObject
;
120 LARGE_INTEGER CurrentByteOffset
;
121 /* for DirectoryControl */
123 /* for DirectoryControl */
124 PWCHAR DirectorySearchPattern
;
127 } NTFS_CCB
, *PNTFS_CCB
;
129 #define TAG_CCB 'BCCI'
133 NTFSIDENTIFIER Identifier
;
135 PDRIVER_OBJECT DriverObject
;
136 PDEVICE_OBJECT DeviceObject
;
137 CACHE_MANAGER_CALLBACKS CacheMgrCallbacks
;
139 FAST_IO_DISPATCH FastIoDispatch
;
140 } NTFS_GLOBAL_DATA
, *PNTFS_GLOBAL_DATA
;
145 AttributeStandardInformation
= 0x10,
146 AttributeAttributeList
= 0x20,
147 AttributeFileName
= 0x30,
148 AttributeObjectId
= 0x40,
149 AttributeSecurityDescriptor
= 0x50,
150 AttributeVolumeName
= 0x60,
151 AttributeVolumeInformation
= 0x70,
152 AttributeData
= 0x80,
153 AttributeIndexRoot
= 0x90,
154 AttributeIndexAllocation
= 0xA0,
155 AttributeBitmap
= 0xB0,
156 AttributeReparsePoint
= 0xC0,
157 AttributeEAInformation
= 0xD0,
159 AttributePropertySet
= 0xF0,
160 AttributeLoggedUtilityStream
= 0x100,
161 AttributeEnd
= 0xFFFFFFFF
162 } ATTRIBUTE_TYPE
, *PATTRIBUTE_TYPE
;
164 #define NTFS_FILE_MFT 0
165 #define NTFS_FILE_MFTMIRR 1
166 #define NTFS_FILE_LOGFILE 2
167 #define NTFS_FILE_VOLUME 3
168 #define NTFS_FILE_ATTRDEF 4
169 #define NTFS_FILE_ROOT 5
170 #define NTFS_FILE_BITMAP 6
171 #define NTFS_FILE_BOOT 7
172 #define NTFS_FILE_BADCLUS 8
173 #define NTFS_FILE_QUOTA 9
174 #define NTFS_FILE_UPCASE 10
175 #define NTFS_FILE_EXTEND 11
177 #define NTFS_MFT_MASK 0x0000FFFFFFFFFFFFULL
179 #define COLLATION_BINARY 0x00
180 #define COLLATION_FILE_NAME 0x01
181 #define COLLATION_UNICODE_STRING 0x02
182 #define COLLATION_NTOFS_ULONG 0x10
183 #define COLLATION_NTOFS_SID 0x11
184 #define COLLATION_NTOFS_SECURITY_HASH 0x12
185 #define COLLATION_NTOFS_ULONGS 0x13
187 #define INDEX_ROOT_SMALL 0x0
188 #define INDEX_ROOT_LARGE 0x1
190 #define NTFS_INDEX_ENTRY_NODE 1
191 #define NTFS_INDEX_ENTRY_END 2
193 #define NTFS_FILE_NAME_POSIX 0
194 #define NTFS_FILE_NAME_WIN32 1
195 #define NTFS_FILE_NAME_DOS 2
196 #define NTFS_FILE_NAME_WIN32_AND_DOS 3
198 #define NTFS_FILE_TYPE_READ_ONLY 0x1
199 #define NTFS_FILE_TYPE_HIDDEN 0x2
200 #define NTFS_FILE_TYPE_SYSTEM 0x4
201 #define NTFS_FILE_TYPE_ARCHIVE 0x20
202 #define NTFS_FILE_TYPE_REPARSE 0x400
203 #define NTFS_FILE_TYPE_COMPRESSED 0x800
204 #define NTFS_FILE_TYPE_DIRECTORY 0x10000000
208 ULONG Type
; /* Magic number 'FILE' */
209 USHORT UsaOffset
; /* Offset to the update sequence */
210 USHORT UsaCount
; /* Size in words of Update Sequence Number & Array (S) */
211 ULONGLONG Lsn
; /* $LogFile Sequence Number (LSN) */
212 } NTFS_RECORD_HEADER
, *PNTFS_RECORD_HEADER
;
214 /* NTFS_RECORD_HEADER.Type */
215 #define NRH_FILE_TYPE 0x454C4946 /* 'FILE' */
216 #define NRH_INDX_TYPE 0x58444E49 /* 'INDX' */
219 typedef struct _FILE_RECORD_HEADER
221 NTFS_RECORD_HEADER Ntfs
;
222 USHORT SequenceNumber
; /* Sequence number */
223 USHORT LinkCount
; /* Hard link count */
224 USHORT AttributeOffset
; /* Offset to the first Attribute */
225 USHORT Flags
; /* Flags */
226 ULONG BytesInUse
; /* Real size of the FILE record */
227 ULONG BytesAllocated
; /* Allocated size of the FILE record */
228 ULONGLONG BaseFileRecord
; /* File reference to the base FILE record */
229 USHORT NextAttributeNumber
; /* Next Attribute Id */
230 USHORT Pading
; /* Align to 4 UCHAR boundary (XP) */
231 ULONG MFTRecordNumber
; /* Number of this MFT Record (XP) */
232 } FILE_RECORD_HEADER
, *PFILE_RECORD_HEADER
;
234 /* Flags in FILE_RECORD_HEADER */
236 #define FRH_IN_USE 0x0001 /* Record is in use */
237 #define FRH_DIRECTORY 0x0002 /* Record is a directory */
238 #define FRH_UNKNOWN1 0x0004 /* Don't know */
239 #define FRH_UNKNOWN2 0x0008 /* Don't know */
252 // Resident attributes
260 // Non-resident attributes
264 ULONGLONG HighestVCN
;
265 USHORT MappingPairsOffset
;
266 USHORT CompressionUnit
;
268 LONGLONG AllocatedSize
;
270 LONGLONG InitializedSize
;
271 LONGLONG CompressedSize
;
274 } NTFS_ATTR_RECORD
, *PNTFS_ATTR_RECORD
;
278 ULONGLONG CreationTime
;
279 ULONGLONG ChangeTime
;
280 ULONGLONG LastWriteTime
;
281 ULONGLONG LastAccessTime
;
283 ULONG AlignmentOrReserved
[3];
287 ULONGLONG QuotaCharge
;
290 } STANDARD_INFORMATION
, *PSTANDARD_INFORMATION
;
295 ATTRIBUTE_TYPE AttributeType
;
299 ULONGLONG StartVcn
; // LowVcn
300 ULONGLONG FileReferenceNumber
;
301 USHORT AttributeNumber
;
302 USHORT AlignmentOrReserved
[3];
303 } ATTRIBUTE_LIST
, *PATTRIBUTE_LIST
;
308 ULONGLONG DirectoryFileReferenceNumber
;
309 ULONGLONG CreationTime
;
310 ULONGLONG ChangeTime
;
311 ULONGLONG LastWriteTime
;
312 ULONGLONG LastAccessTime
;
313 ULONGLONG AllocatedSize
;
315 ULONG FileAttributes
;
321 USHORT AlignmentOrReserved
;
328 } FILENAME_ATTRIBUTE
, *PFILENAME_ATTRIBUTE
;
332 ULONG FirstEntryOffset
;
333 ULONG TotalSizeOfEntries
;
337 } INDEX_HEADER_ATTRIBUTE
, *PINDEX_HEADER_ATTRIBUTE
;
344 UCHAR ClustersPerIndexRecord
;
346 INDEX_HEADER_ATTRIBUTE Header
;
347 } INDEX_ROOT_ATTRIBUTE
, *PINDEX_ROOT_ATTRIBUTE
;
351 NTFS_RECORD_HEADER Ntfs
;
353 INDEX_HEADER_ATTRIBUTE Header
;
354 } INDEX_BUFFER
, *PINDEX_BUFFER
;
362 ULONGLONG IndexedFile
;
375 FILENAME_ATTRIBUTE FileName
;
376 } INDEX_ENTRY_ATTRIBUTE
, *PINDEX_ENTRY_ATTRIBUTE
;
385 } VOLINFO_ATTRIBUTE
, *PVOLINFO_ATTRIBUTE
;
392 } REPARSE_POINT_ATTRIBUTE
, *PREPARSE_POINT_ATTRIBUTE
;
394 #define IRPCONTEXT_CANWAIT 0x1
395 #define IRPCONTEXT_COMPLETE 0x2
396 #define IRPCONTEXT_QUEUE 0x4
400 NTFSIDENTIFIER Identifier
;
402 PIO_STACK_LOCATION Stack
;
405 WORK_QUEUE_ITEM WorkQueueItem
;
408 PDEVICE_OBJECT DeviceObject
;
409 PFILE_OBJECT FileObject
;
410 NTSTATUS SavedExceptionCode
;
412 } NTFS_IRP_CONTEXT
, *PNTFS_IRP_CONTEXT
;
414 typedef struct _NTFS_ATTR_CONTEXT
417 ULONGLONG CacheRunOffset
;
418 LONGLONG CacheRunStartLCN
;
419 ULONGLONG CacheRunLength
;
420 LONGLONG CacheRunLastLCN
;
421 ULONGLONG CacheRunCurrentOffset
;
422 NTFS_ATTR_RECORD Record
;
423 } NTFS_ATTR_CONTEXT
, *PNTFS_ATTR_CONTEXT
;
425 #define FCB_CACHE_INITIALIZED 0x0001
426 #define FCB_IS_VOLUME_STREAM 0x0002
427 #define FCB_IS_VOLUME 0x0004
432 NTFSIDENTIFIER Identifier
;
434 FSRTL_COMMON_FCB_HEADER RFCB
;
435 SECTION_OBJECT_POINTERS SectionObjectPointers
;
437 PFILE_OBJECT FileObject
;
440 WCHAR
*ObjectName
; /* point on filename (250 chars max) in PathName */
441 WCHAR PathName
[MAX_PATH
]; /* path+filename 260 max */
443 ERESOURCE PagingIoResource
;
444 ERESOURCE MainResource
;
446 LIST_ENTRY FcbListEntry
;
447 struct _FCB
* ParentFcb
;
457 FILENAME_ATTRIBUTE Entry
;
459 } NTFS_FCB
, *PNTFS_FCB
;
461 extern PNTFS_GLOBAL_DATA NtfsGlobalData
;
463 //int CdfsStrcmpi( wchar_t *str1, wchar_t *str2 );
464 //void CdfsWstrcpy( wchar_t *str1, wchar_t *str2, int max );
470 //NtfsDumpAttribute(PATTRIBUTE Attribute);
473 DecodeRun(PUCHAR DataRun
,
474 LONGLONG
*DataRunOffset
,
475 ULONGLONG
*DataRunLength
);
478 NtfsDumpFileAttributes(PFILE_RECORD_HEADER FileRecord
);
480 PSTANDARD_INFORMATION
481 GetStandardInformationFromRecord(PFILE_RECORD_HEADER FileRecord
);
484 GetFileNameFromRecord(PFILE_RECORD_HEADER FileRecord
, UCHAR NameType
);
487 GetBestFileNameFromRecord(PFILE_RECORD_HEADER FileRecord
);
492 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject
,
493 IN LONGLONG StartingOffset
,
496 IN OUT PUCHAR Buffer
,
497 IN BOOLEAN Override
);
500 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject
,
502 IN ULONG SectorCount
,
504 IN OUT PUCHAR Buffer
,
505 IN BOOLEAN Override
);
508 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject
,
509 IN ULONG ControlCode
,
510 IN PVOID InputBuffer
,
511 IN ULONG InputBufferSize
,
512 IN OUT PVOID OutputBuffer
,
513 IN OUT PULONG OutputBufferSize
,
514 IN BOOLEAN Override
);
520 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt
,
521 PFILE_OBJECT FileObject
);
523 DRIVER_DISPATCH NtfsFsdClose
;
525 NtfsFsdClose(PDEVICE_OBJECT DeviceObject
,
531 DRIVER_DISPATCH NtfsFsdCreate
;
533 NtfsFsdCreate(PDEVICE_OBJECT DeviceObject
,
540 NtfsDeviceControl(PNTFS_IRP_CONTEXT IrpContext
);
546 NtfsDirectoryControl(PNTFS_IRP_CONTEXT IrpContext
);
551 DRIVER_DISPATCH NtfsFsdDispatch
;
553 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject
,
560 NtfsAcqLazyWrite(PVOID Context
,
564 NtfsRelLazyWrite(PVOID Context
);
567 NtfsAcqReadAhead(PVOID Context
,
571 NtfsRelReadAhead(PVOID Context
);
573 FAST_IO_CHECK_IF_POSSIBLE NtfsFastIoCheckIfPossible
;
574 FAST_IO_READ NtfsFastIoRead
;
575 FAST_IO_WRITE NtfsFastIoWrite
;
581 NtfsCreateFCB(PCWSTR FileName
,
585 NtfsDestroyFCB(PNTFS_FCB Fcb
);
588 NtfsFCBIsDirectory(PNTFS_FCB Fcb
);
591 NtfsFCBIsReparsePoint(PNTFS_FCB Fcb
);
594 NtfsFCBIsRoot(PNTFS_FCB Fcb
);
597 NtfsGrabFCB(PNTFS_VCB Vcb
,
601 NtfsReleaseFCB(PNTFS_VCB Vcb
,
605 NtfsAddFCBToTable(PNTFS_VCB Vcb
,
609 NtfsGrabFCBFromTable(PNTFS_VCB Vcb
,
613 NtfsFCBInitializeCache(PNTFS_VCB Vcb
,
617 NtfsMakeRootFCB(PNTFS_VCB Vcb
);
620 NtfsOpenRootFCB(PNTFS_VCB Vcb
);
623 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb
,
625 PFILE_OBJECT FileObject
);
628 NtfsGetFCBForFile(PNTFS_VCB Vcb
,
629 PNTFS_FCB
*pParentFCB
,
631 const PWSTR pFileName
);
634 NtfsReadFCBAttribute(PNTFS_VCB Vcb
,
645 NtfsQueryInformation(PNTFS_IRP_CONTEXT IrpContext
);
650 DRIVER_DISPATCH NtfsFsdFileSystemControl
;
652 NtfsFsdFileSystemControl(PDEVICE_OBJECT DeviceObject
,
658 ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context
);
661 ReadAttribute(PDEVICE_EXTENSION Vcb
,
662 PNTFS_ATTR_CONTEXT Context
,
668 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord
);
671 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord
);
674 ReadFileRecord(PDEVICE_EXTENSION Vcb
,
676 PFILE_RECORD_HEADER file
);
679 FindAttribute(PDEVICE_EXTENSION Vcb
,
680 PFILE_RECORD_HEADER MftRecord
,
684 PNTFS_ATTR_CONTEXT
* AttrCtx
);
687 ReadVCN(PDEVICE_EXTENSION Vcb
,
688 PFILE_RECORD_HEADER file
,
695 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb
,
696 PNTFS_RECORD_HEADER Record
);
699 ReadLCN(PDEVICE_EXTENSION Vcb
,
705 EnumerAttribute(PFILE_RECORD_HEADER file
,
706 PDEVICE_EXTENSION Vcb
,
707 PDEVICE_OBJECT DeviceObject
);
710 NtfsLookupFile(PDEVICE_EXTENSION Vcb
,
711 PUNICODE_STRING PathName
,
712 PFILE_RECORD_HEADER
*FileRecord
,
713 PNTFS_ATTR_CONTEXT
*DataContext
,
714 PULONGLONG MFTIndex
);
717 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb
,
718 PUNICODE_STRING PathName
,
719 PFILE_RECORD_HEADER
*FileRecord
,
720 PNTFS_ATTR_CONTEXT
*DataContext
,
722 ULONGLONG CurrentMFTIndex
);
725 NtfsFindFileAt(PDEVICE_EXTENSION Vcb
,
726 PUNICODE_STRING SearchPattern
,
728 PFILE_RECORD_HEADER
*FileRecord
,
729 PNTFS_ATTR_CONTEXT
*DataContext
,
731 ULONGLONG CurrentMFTIndex
);
736 NtfsIsIrpTopLevel(PIRP Irp
);
739 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject
,
743 NtfsGetUserBuffer(PIRP Irp
);
747 wstrcmpjoki(PWSTR s1
, PWSTR s2
);
750 CdfsSwapString(PWCHAR Out
,
756 NtfsFileFlagsToAttributes(ULONG NtfsAttributes
,
757 PULONG FileAttributes
);
763 NtfsRead(PNTFS_IRP_CONTEXT IrpContext
);
765 DRIVER_DISPATCH NtfsFsdWrite
;
767 NtfsFsdWrite(PDEVICE_OBJECT DeviceObject
,
774 NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt
);
777 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext
);
780 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext
);
785 DRIVER_INITIALIZE DriverEntry
;
789 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject
);