6 #define CACHEPAGESIZE(pDeviceExt) \
7 ((pDeviceExt)->NtfsInfo.UCHARsPerCluster > PAGE_SIZE ? \
8 (pDeviceExt)->NtfsInfo.UCHARsPerCluster : PAGE_SIZE)
10 #define TAG_NTFS 'SFTN'
12 #define ROUND_UP(N, S) ((((N) + (S) - 1) / (S)) * (S))
13 #define ROUND_DOWN(N, S) ((N) - ((N) % (S)))
15 #define DEVICE_NAME L"\\Ntfs"
18 typedef struct _BIOS_PARAMETERS_BLOCK
20 USHORT BytesPerSector
; // 0x0B
21 UCHAR SectorsPerCluster
; // 0x0D
22 UCHAR Unused0
[7]; // 0x0E, checked when volume is mounted
23 UCHAR MediaId
; // 0x15
24 UCHAR Unused1
[2]; // 0x16
25 USHORT SectorsPerTrack
; // 0x18
27 UCHAR Unused2
[4]; // 0x1C
28 UCHAR Unused3
[4]; // 0x20, checked when volume is mounted
29 } BIOS_PARAMETERS_BLOCK
, *PBIOS_PARAMETERS_BLOCK
;
31 typedef struct _EXTENDED_BIOS_PARAMETERS_BLOCK
33 USHORT Unknown
[2]; // 0x24, always 80 00 80 00
34 ULONGLONG SectorCount
; // 0x28
35 ULONGLONG MftLocation
; // 0x30
36 ULONGLONG MftMirrLocation
; // 0x38
37 CHAR ClustersPerMftRecord
; // 0x40
38 UCHAR Unused4
[3]; // 0x41
39 CHAR ClustersPerIndexRecord
; // 0x44
40 UCHAR Unused5
[3]; // 0x45
41 ULONGLONG SerialNumber
; // 0x48
42 UCHAR Checksum
[4]; // 0x50
43 } EXTENDED_BIOS_PARAMETERS_BLOCK
, *PEXTENDED_BIOS_PARAMETERS_BLOCK
;
45 typedef struct _BOOT_SECTOR
47 UCHAR Jump
[3]; // 0x00
48 UCHAR OEMID
[8]; // 0x03
49 BIOS_PARAMETERS_BLOCK BPB
;
50 EXTENDED_BIOS_PARAMETERS_BLOCK EBPB
;
51 UCHAR BootStrap
[426]; // 0x54
52 USHORT EndSector
; // 0x1FE
53 } BOOT_SECTOR
, *PBOOT_SECTOR
;
56 //typedef struct _BootSector BootSector;
58 typedef struct _NTFS_INFO
61 ULONG SectorsPerCluster
;
62 ULONG BytesPerCluster
;
63 ULONGLONG SectorCount
;
64 ULARGE_INTEGER MftStart
;
65 ULARGE_INTEGER MftMirrStart
;
66 ULONG BytesPerFileRecord
;
67 ULONG BytesPerIndexRecord
;
69 ULONGLONG SerialNumber
;
70 USHORT VolumeLabelLength
;
71 WCHAR VolumeLabel
[MAXIMUM_VOLUME_LABEL_LENGTH
];
76 } NTFS_INFO
, *PNTFS_INFO
;
78 #define NTFS_TYPE_CCB '20SF'
79 #define NTFS_TYPE_FCB '30SF'
80 #define NTFS_TYPE_VCB '50SF'
81 #define NTFS_TYPE_IRP_CONTEST '60SF'
82 #define NTFS_TYPE_GLOBAL_DATA '70SF'
88 } NTFSIDENTIFIER
, *PNTFSIDENTIFIER
;
92 NTFSIDENTIFIER Identifier
;
94 ERESOURCE DirResource
;
95 // ERESOURCE FatResource;
97 KSPIN_LOCK FcbListLock
;
98 LIST_ENTRY FcbListHead
;
101 PDEVICE_OBJECT StorageDevice
;
102 PFILE_OBJECT StreamFileObject
;
104 struct _NTFS_ATTR_CONTEXT
* MFTContext
;
105 struct _FILE_RECORD_HEADER
* MasterFileTable
;
106 struct _FCB
*VolumeFcb
;
110 } DEVICE_EXTENSION
, *PDEVICE_EXTENSION
, NTFS_VCB
, *PNTFS_VCB
;
114 NTFSIDENTIFIER Identifier
;
116 PFILE_OBJECT PtrFileObject
;
117 LARGE_INTEGER CurrentByteOffset
;
118 /* for DirectoryControl */
120 /* for DirectoryControl */
121 PWCHAR DirectorySearchPattern
;
124 } NTFS_CCB
, *PNTFS_CCB
;
126 #define TAG_CCB 'BCCI'
130 NTFSIDENTIFIER Identifier
;
132 PDRIVER_OBJECT DriverObject
;
133 PDEVICE_OBJECT DeviceObject
;
134 CACHE_MANAGER_CALLBACKS CacheMgrCallbacks
;
136 } NTFS_GLOBAL_DATA
, *PNTFS_GLOBAL_DATA
;
141 AttributeStandardInformation
= 0x10,
142 AttributeAttributeList
= 0x20,
143 AttributeFileName
= 0x30,
144 AttributeObjectId
= 0x40,
145 AttributeSecurityDescriptor
= 0x50,
146 AttributeVolumeName
= 0x60,
147 AttributeVolumeInformation
= 0x70,
148 AttributeData
= 0x80,
149 AttributeIndexRoot
= 0x90,
150 AttributeIndexAllocation
= 0xA0,
151 AttributeBitmap
= 0xB0,
152 AttributeReparsePoint
= 0xC0,
153 AttributeEAInformation
= 0xD0,
155 AttributePropertySet
= 0xF0,
156 AttributeLoggedUtilityStream
= 0x100,
157 AttributeEnd
= 0xFFFFFFFF
158 } ATTRIBUTE_TYPE
, *PATTRIBUTE_TYPE
;
160 #define NTFS_FILE_MFT 0
161 #define NTFS_FILE_MFTMIRR 1
162 #define NTFS_FILE_LOGFILE 2
163 #define NTFS_FILE_VOLUME 3
164 #define NTFS_FILE_ATTRDEF 4
165 #define NTFS_FILE_ROOT 5
166 #define NTFS_FILE_BITMAP 6
167 #define NTFS_FILE_BOOT 7
168 #define NTFS_FILE_BADCLUS 8
169 #define NTFS_FILE_QUOTA 9
170 #define NTFS_FILE_UPCASE 10
171 #define NTFS_FILE_EXTEND 11
173 #define NTFS_MFT_MASK 0x0000FFFFFFFFFFFFULL
175 #define COLLATION_BINARY 0x00
176 #define COLLATION_FILE_NAME 0x01
177 #define COLLATION_UNICODE_STRING 0x02
178 #define COLLATION_NTOFS_ULONG 0x10
179 #define COLLATION_NTOFS_SID 0x11
180 #define COLLATION_NTOFS_SECURITY_HASH 0x12
181 #define COLLATION_NTOFS_ULONGS 0x13
183 #define INDEX_ROOT_SMALL 0x0
184 #define INDEX_ROOT_LARGE 0x1
186 #define NTFS_INDEX_ENTRY_NODE 1
187 #define NTFS_INDEX_ENTRY_END 2
189 #define NTFS_FILE_NAME_POSIX 0
190 #define NTFS_FILE_NAME_WIN32 1
191 #define NTFS_FILE_NAME_DOS 2
192 #define NTFS_FILE_NAME_WIN32_AND_DOS 3
194 #define NTFS_FILE_TYPE_READ_ONLY 0x1
195 #define NTFS_FILE_TYPE_HIDDEN 0x2
196 #define NTFS_FILE_TYPE_SYSTEM 0x4
197 #define NTFS_FILE_TYPE_ARCHIVE 0x20
198 #define NTFS_FILE_TYPE_COMPRESSED 0x800
199 #define NTFS_FILE_TYPE_DIRECTORY 0x10000000
203 ULONG Type
; /* Magic number 'FILE' */
204 USHORT UsaOffset
; /* Offset to the update sequence */
205 USHORT UsaCount
; /* Size in words of Update Sequence Number & Array (S) */
206 ULONGLONG Lsn
; /* $LogFile Sequence Number (LSN) */
207 } NTFS_RECORD_HEADER
, *PNTFS_RECORD_HEADER
;
209 /* NTFS_RECORD_HEADER.Type */
210 #define NRH_FILE_TYPE 0x454C4946 /* 'FILE' */
213 typedef struct _FILE_RECORD_HEADER
215 NTFS_RECORD_HEADER Ntfs
;
216 USHORT SequenceNumber
; /* Sequence number */
217 USHORT LinkCount
; /* Hard link count */
218 USHORT AttributeOffset
; /* Offset to the first Attribute */
219 USHORT Flags
; /* Flags */
220 ULONG BytesInUse
; /* Real size of the FILE record */
221 ULONG BytesAllocated
; /* Allocated size of the FILE record */
222 ULONGLONG BaseFileRecord
; /* File reference to the base FILE record */
223 USHORT NextAttributeNumber
; /* Next Attribute Id */
224 USHORT Pading
; /* Align to 4 UCHAR boundary (XP) */
225 ULONG MFTRecordNumber
; /* Number of this MFT Record (XP) */
226 } FILE_RECORD_HEADER
, *PFILE_RECORD_HEADER
;
228 /* Flags in FILE_RECORD_HEADER */
230 #define FRH_IN_USE 0x0001 /* Record is in use */
231 #define FRH_DIRECTORY 0x0002 /* Record is a directory */
232 #define FRH_UNKNOWN1 0x0004 /* Don't know */
233 #define FRH_UNKNOWN2 0x0008 /* Don't know */
246 // Resident attributes
254 // Non-resident attributes
258 ULONGLONG HighestVCN
;
259 USHORT MappingPairsOffset
;
260 USHORT CompressionUnit
;
262 LONGLONG AllocatedSize
;
264 LONGLONG InitializedSize
;
265 LONGLONG CompressedSize
;
268 } NTFS_ATTR_RECORD
, *PNTFS_ATTR_RECORD
;
272 ULONGLONG CreationTime
;
273 ULONGLONG ChangeTime
;
274 ULONGLONG LastWriteTime
;
275 ULONGLONG LastAccessTime
;
277 ULONG AlignmentOrReserved
[3];
281 ULONGLONG QuotaCharge
;
284 } STANDARD_INFORMATION
, *PSTANDARD_INFORMATION
;
289 ATTRIBUTE_TYPE AttributeType
;
293 ULONGLONG StartVcn
; // LowVcn
294 ULONGLONG FileReferenceNumber
;
295 USHORT AttributeNumber
;
296 USHORT AlignmentOrReserved
[3];
297 } ATTRIBUTE_LIST
, *PATTRIBUTE_LIST
;
302 ULONGLONG DirectoryFileReferenceNumber
;
303 ULONGLONG CreationTime
;
304 ULONGLONG ChangeTime
;
305 ULONGLONG LastWriteTime
;
306 ULONGLONG LastAccessTime
;
307 ULONGLONG AllocatedSize
;
309 ULONG FileAttributes
;
310 ULONG AlignmentOrReserved
;
314 } FILENAME_ATTRIBUTE
, *PFILENAME_ATTRIBUTE
;
318 ULONG FirstEntryOffset
;
319 ULONG TotalSizeOfEntries
;
323 } INDEX_HEADER_ATTRIBUTE
, *PINDEX_HEADER_ATTRIBUTE
;
330 UCHAR ClustersPerIndexRecord
;
332 INDEX_HEADER_ATTRIBUTE Header
;
333 } INDEX_ROOT_ATTRIBUTE
, *PINDEX_ROOT_ATTRIBUTE
;
337 NTFS_RECORD_HEADER Ntfs
;
339 INDEX_HEADER_ATTRIBUTE Header
;
340 } INDEX_BUFFER
, *PINDEX_BUFFER
;
348 ULONGLONG IndexedFile
;
361 FILENAME_ATTRIBUTE FileName
;
362 } INDEX_ENTRY_ATTRIBUTE
, *PINDEX_ENTRY_ATTRIBUTE
;
371 } VOLINFO_ATTRIBUTE
, *PVOLINFO_ATTRIBUTE
;
375 NTFSIDENTIFIER Identifier
;
379 WORK_QUEUE_ITEM WorkQueueItem
;
382 PDEVICE_OBJECT DeviceObject
;
383 NTSTATUS SavedExceptionCode
;
384 } NTFS_IRP_CONTEXT
, *PNTFS_IRP_CONTEXT
;
386 typedef struct _NTFS_ATTR_CONTEXT
389 ULONGLONG CacheRunOffset
;
390 LONGLONG CacheRunStartLCN
;
391 ULONGLONG CacheRunLength
;
392 LONGLONG CacheRunLastLCN
;
393 ULONGLONG CacheRunCurrentOffset
;
394 NTFS_ATTR_RECORD Record
;
395 } NTFS_ATTR_CONTEXT
, *PNTFS_ATTR_CONTEXT
;
397 #define FCB_CACHE_INITIALIZED 0x0001
398 #define FCB_IS_VOLUME_STREAM 0x0002
399 #define FCB_IS_VOLUME 0x0004
404 NTFSIDENTIFIER Identifier
;
406 FSRTL_COMMON_FCB_HEADER RFCB
;
407 SECTION_OBJECT_POINTERS SectionObjectPointers
;
409 PFILE_OBJECT FileObject
;
412 WCHAR
*ObjectName
; /* point on filename (250 chars max) in PathName */
413 WCHAR PathName
[MAX_PATH
]; /* path+filename 260 max */
415 ERESOURCE PagingIoResource
;
416 ERESOURCE MainResource
;
418 LIST_ENTRY FcbListEntry
;
419 struct _FCB
* ParentFcb
;
428 FILENAME_ATTRIBUTE Entry
;
430 } NTFS_FCB
, *PNTFS_FCB
;
432 extern PNTFS_GLOBAL_DATA NtfsGlobalData
;
434 //int CdfsStrcmpi( wchar_t *str1, wchar_t *str2 );
435 //void CdfsWstrcpy( wchar_t *str1, wchar_t *str2, int max );
441 //NtfsDumpAttribute(PATTRIBUTE Attribute);
444 DecodeRun(PUCHAR DataRun
,
445 LONGLONG
*DataRunOffset
,
446 ULONGLONG
*DataRunLength
);
449 NtfsDumpFileAttributes(PFILE_RECORD_HEADER FileRecord
);
452 GetFileNameFromRecord(PFILE_RECORD_HEADER FileRecord
, UCHAR NameType
);
457 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject
,
458 IN LONGLONG StartingOffset
,
461 IN OUT PUCHAR Buffer
,
462 IN BOOLEAN Override
);
465 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject
,
467 IN ULONG SectorCount
,
469 IN OUT PUCHAR Buffer
,
470 IN BOOLEAN Override
);
473 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject
,
474 IN ULONG ControlCode
,
475 IN PVOID InputBuffer
,
476 IN ULONG InputBufferSize
,
477 IN OUT PVOID OutputBuffer
,
478 IN OUT PULONG OutputBufferSize
,
479 IN BOOLEAN Override
);
485 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt
,
486 PFILE_OBJECT FileObject
);
488 DRIVER_DISPATCH NtfsFsdClose
;
490 NtfsFsdClose(PDEVICE_OBJECT DeviceObject
,
496 DRIVER_DISPATCH NtfsFsdCreate
;
498 NtfsFsdCreate(PDEVICE_OBJECT DeviceObject
,
504 DRIVER_DISPATCH NtfsFsdDirectoryControl
;
506 NtfsFsdDirectoryControl(PDEVICE_OBJECT DeviceObject
,
512 DRIVER_DISPATCH NtfsFsdDispatch
;
514 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject
,
521 NtfsAcqLazyWrite(PVOID Context
,
525 NtfsRelLazyWrite(PVOID Context
);
528 NtfsAcqReadAhead(PVOID Context
,
532 NtfsRelReadAhead(PVOID Context
);
538 NtfsCreateFCB(PCWSTR FileName
,
542 NtfsDestroyFCB(PNTFS_FCB Fcb
);
545 NtfsFCBIsDirectory(PNTFS_FCB Fcb
);
548 NtfsFCBIsRoot(PNTFS_FCB Fcb
);
551 NtfsGrabFCB(PNTFS_VCB Vcb
,
555 NtfsReleaseFCB(PNTFS_VCB Vcb
,
559 NtfsAddFCBToTable(PNTFS_VCB Vcb
,
563 NtfsGrabFCBFromTable(PNTFS_VCB Vcb
,
567 NtfsFCBInitializeCache(PNTFS_VCB Vcb
,
571 NtfsMakeRootFCB(PNTFS_VCB Vcb
);
574 NtfsOpenRootFCB(PNTFS_VCB Vcb
);
577 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb
,
579 PFILE_OBJECT FileObject
);
582 NtfsGetFCBForFile(PNTFS_VCB Vcb
,
583 PNTFS_FCB
*pParentFCB
,
585 const PWSTR pFileName
);
590 DRIVER_DISPATCH NtfsFsdQueryInformation
;
592 NtfsFsdQueryInformation(PDEVICE_OBJECT DeviceObject
,
598 DRIVER_DISPATCH NtfsFsdFileSystemControl
;
600 NtfsFsdFileSystemControl(PDEVICE_OBJECT DeviceObject
,
606 ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context
);
609 ReadAttribute(PDEVICE_EXTENSION Vcb
,
610 PNTFS_ATTR_CONTEXT Context
,
616 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord
);
619 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord
);
622 ReadFileRecord(PDEVICE_EXTENSION Vcb
,
624 PFILE_RECORD_HEADER file
);
627 FindAttribute(PDEVICE_EXTENSION Vcb
,
628 PFILE_RECORD_HEADER MftRecord
,
632 PNTFS_ATTR_CONTEXT
* AttrCtx
);
635 ReadVCN(PDEVICE_EXTENSION Vcb
,
636 PFILE_RECORD_HEADER file
,
643 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb
,
644 PNTFS_RECORD_HEADER Record
);
647 ReadLCN(PDEVICE_EXTENSION Vcb
,
653 EnumerAttribute(PFILE_RECORD_HEADER file
,
654 PDEVICE_EXTENSION Vcb
,
655 PDEVICE_OBJECT DeviceObject
);
658 NtfsLookupFile(PDEVICE_EXTENSION Vcb
,
659 PUNICODE_STRING PathName
,
660 PFILE_RECORD_HEADER
*FileRecord
,
661 PNTFS_ATTR_CONTEXT
*DataContext
,
662 PULONGLONG MFTIndex
);
665 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb
,
666 PUNICODE_STRING PathName
,
667 PFILE_RECORD_HEADER
*FileRecord
,
668 PNTFS_ATTR_CONTEXT
*DataContext
,
670 ULONGLONG CurrentMFTIndex
);
673 NtfsFindFileAt(PDEVICE_EXTENSION Vcb
,
674 PUNICODE_STRING SearchPattern
,
676 PFILE_RECORD_HEADER
*FileRecord
,
677 PNTFS_ATTR_CONTEXT
*DataContext
,
679 ULONGLONG CurrentMFTIndex
);
684 NtfsIsIrpTopLevel(PIRP Irp
);
687 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject
,
692 wstrcmpjoki(PWSTR s1
, PWSTR s2
);
695 CdfsSwapString(PWCHAR Out
,
701 NtfsFileFlagsToAttributes(ULONG NtfsAttributes
,
702 PULONG FileAttributes
);
707 DRIVER_DISPATCH NtfsFsdRead
;
709 NtfsFsdRead(PDEVICE_OBJECT DeviceObject
,
712 DRIVER_DISPATCH NtfsFsdWrite
;
714 NtfsFsdWrite(PDEVICE_OBJECT DeviceObject
,
721 NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt
);
724 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext
);
727 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext
);
732 DRIVER_INITIALIZE DriverEntry
;
736 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject
);