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))
14 #define DEVICE_NAME L"\\Ntfs"
17 typedef struct _BIOS_PARAMETERS_BLOCK
19 USHORT BytesPerSector
; // 0x0B
20 UCHAR SectorsPerCluster
; // 0x0D
21 UCHAR Unused0
[7]; // 0x0E, checked when volume is mounted
22 UCHAR MediaId
; // 0x15
23 UCHAR Unused1
[2]; // 0x16
24 USHORT SectorsPerTrack
; // 0x18
26 UCHAR Unused2
[4]; // 0x1C
27 UCHAR Unused3
[4]; // 0x20, checked when volume is mounted
28 } BIOS_PARAMETERS_BLOCK
, *PBIOS_PARAMETERS_BLOCK
;
30 typedef struct _EXTENDED_BIOS_PARAMETERS_BLOCK
32 USHORT Unknown
[2]; // 0x24, always 80 00 80 00
33 ULONGLONG SectorCount
; // 0x28
34 ULONGLONG MftLocation
; // 0x30
35 ULONGLONG MftMirrLocation
; // 0x38
36 CHAR ClustersPerMftRecord
; // 0x40
37 UCHAR Unused4
[3]; // 0x41
38 CHAR ClustersPerIndexRecord
; // 0x44
39 UCHAR Unused5
[3]; // 0x45
40 ULONGLONG SerialNumber
; // 0x48
41 UCHAR Checksum
[4]; // 0x50
42 } EXTENDED_BIOS_PARAMETERS_BLOCK
, *PEXTENDED_BIOS_PARAMETERS_BLOCK
;
44 typedef struct _BOOT_SECTOR
46 UCHAR Jump
[3]; // 0x00
47 UCHAR OEMID
[8]; // 0x03
48 BIOS_PARAMETERS_BLOCK BPB
;
49 EXTENDED_BIOS_PARAMETERS_BLOCK EBPB
;
50 UCHAR BootStrap
[426]; // 0x54
51 USHORT EndSector
; // 0x1FE
52 } BOOT_SECTOR
, *PBOOT_SECTOR
;
55 //typedef struct _BootSector BootSector;
57 typedef struct _NTFS_INFO
60 ULONG SectorsPerCluster
;
61 ULONG BytesPerCluster
;
62 ULONGLONG SectorCount
;
63 ULARGE_INTEGER MftStart
;
64 ULARGE_INTEGER MftMirrStart
;
65 ULONG BytesPerFileRecord
;
66 ULONG BytesPerIndexRecord
;
68 ULONGLONG SerialNumber
;
69 USHORT VolumeLabelLength
;
70 WCHAR VolumeLabel
[MAXIMUM_VOLUME_LABEL_LENGTH
];
75 } NTFS_INFO
, *PNTFS_INFO
;
77 #define NTFS_TYPE_CCB '20SF'
78 #define NTFS_TYPE_FCB '30SF'
79 #define NTFS_TYPE_VCB '50SF'
80 #define NTFS_TYPE_IRP_CONTEST '60SF'
81 #define NTFS_TYPE_GLOBAL_DATA '70SF'
87 } NTFSIDENTIFIER
, *PNTFSIDENTIFIER
;
91 NTFSIDENTIFIER Identifier
;
93 ERESOURCE DirResource
;
94 // ERESOURCE FatResource;
96 KSPIN_LOCK FcbListLock
;
97 LIST_ENTRY FcbListHead
;
100 PDEVICE_OBJECT StorageDevice
;
101 PFILE_OBJECT StreamFileObject
;
103 struct _NTFS_ATTR_CONTEXT
* MFTContext
;
104 struct _FILE_RECORD_HEADER
* MasterFileTable
;
105 struct _FCB
*VolumeFcb
;
109 } DEVICE_EXTENSION
, *PDEVICE_EXTENSION
, NTFS_VCB
, *PNTFS_VCB
;
113 NTFSIDENTIFIER Identifier
;
115 PFILE_OBJECT PtrFileObject
;
116 LARGE_INTEGER CurrentByteOffset
;
117 /* for DirectoryControl */
119 /* for DirectoryControl */
120 PWCHAR DirectorySearchPattern
;
123 } NTFS_CCB
, *PNTFS_CCB
;
125 #define TAG_CCB 'BCCI'
129 NTFSIDENTIFIER Identifier
;
131 PDRIVER_OBJECT DriverObject
;
132 PDEVICE_OBJECT DeviceObject
;
133 CACHE_MANAGER_CALLBACKS CacheMgrCallbacks
;
135 } NTFS_GLOBAL_DATA
, *PNTFS_GLOBAL_DATA
;
140 AttributeStandardInformation
= 0x10,
141 AttributeAttributeList
= 0x20,
142 AttributeFileName
= 0x30,
143 AttributeObjectId
= 0x40,
144 AttributeSecurityDescriptor
= 0x50,
145 AttributeVolumeName
= 0x60,
146 AttributeVolumeInformation
= 0x70,
147 AttributeData
= 0x80,
148 AttributeIndexRoot
= 0x90,
149 AttributeIndexAllocation
= 0xA0,
150 AttributeBitmap
= 0xB0,
151 AttributeReparsePoint
= 0xC0,
152 AttributeEAInformation
= 0xD0,
154 AttributePropertySet
= 0xF0,
155 AttributeLoggedUtilityStream
= 0x100,
156 AttributeEnd
= 0xFFFFFFFF
157 } ATTRIBUTE_TYPE
, *PATTRIBUTE_TYPE
;
159 #define NTFS_FILE_MFT 0
160 #define NTFS_FILE_MFTMIRR 1
161 #define NTFS_FILE_LOGFILE 2
162 #define NTFS_FILE_VOLUME 3
163 #define NTFS_FILE_ATTRDEF 4
164 #define NTFS_FILE_ROOT 5
165 #define NTFS_FILE_BITMAP 6
166 #define NTFS_FILE_BOOT 7
167 #define NTFS_FILE_BADCLUS 8
168 #define NTFS_FILE_QUOTA 9
169 #define NTFS_FILE_UPCASE 10
170 #define NTFS_FILE_EXTEND 11
172 #define COLLATION_BINARY 0x00
173 #define COLLATION_FILE_NAME 0x01
174 #define COLLATION_UNICODE_STRING 0x02
175 #define COLLATION_NTOFS_ULONG 0x10
176 #define COLLATION_NTOFS_SID 0x11
177 #define COLLATION_NTOFS_SECURITY_HASH 0x12
178 #define COLLATION_NTOFS_ULONGS 0x13
180 #define INDEX_ROOT_SMALL 0x0
181 #define INDEX_ROOT_LARGE 0x1
183 #define NTFS_INDEX_ENTRY_NODE 1
184 #define NTFS_INDEX_ENTRY_END 2
186 #define NTFS_FILE_NAME_POSIX 0
187 #define NTFS_FILE_NAME_WIN32 1
188 #define NTFS_FILE_NAME_DOS 2
189 #define NTFS_FILE_NAME_WIN32_AND_DOS 3
191 #define NTFS_FILE_TYPE_READ_ONLY 0x1
192 #define NTFS_FILE_TYPE_HIDDEN 0x2
193 #define NTFS_FILE_TYPE_SYSTEM 0x4
194 #define NTFS_FILE_TYPE_ARCHIVE 0x20
195 #define NTFS_FILE_TYPE_COMPRESSED 0x800
196 #define NTFS_FILE_TYPE_DIRECTORY 0x10000000
200 ULONG Type
; /* Magic number 'FILE' */
201 USHORT UsaOffset
; /* Offset to the update sequence */
202 USHORT UsaCount
; /* Size in words of Update Sequence Number & Array (S) */
203 ULONGLONG Lsn
; /* $LogFile Sequence Number (LSN) */
204 } NTFS_RECORD_HEADER
, *PNTFS_RECORD_HEADER
;
206 /* NTFS_RECORD_HEADER.Type */
207 #define NRH_FILE_TYPE 0x454C4946 /* 'FILE' */
210 typedef struct _FILE_RECORD_HEADER
212 NTFS_RECORD_HEADER Ntfs
;
213 USHORT SequenceNumber
; /* Sequence number */
214 USHORT LinkCount
; /* Hard link count */
215 USHORT AttributeOffset
; /* Offset to the first Attribute */
216 USHORT Flags
; /* Flags */
217 ULONG BytesInUse
; /* Real size of the FILE record */
218 ULONG BytesAllocated
; /* Allocated size of the FILE record */
219 ULONGLONG BaseFileRecord
; /* File reference to the base FILE record */
220 USHORT NextAttributeNumber
; /* Next Attribute Id */
221 USHORT Pading
; /* Align to 4 UCHAR boundary (XP) */
222 ULONG MFTRecordNumber
; /* Number of this MFT Record (XP) */
223 } FILE_RECORD_HEADER
, *PFILE_RECORD_HEADER
;
225 /* Flags in FILE_RECORD_HEADER */
227 #define FRH_IN_USE 0x0001 /* Record is in use */
228 #define FRH_DIRECTORY 0x0002 /* Record is a directory */
229 #define FRH_UNKNOWN1 0x0004 /* Don't know */
230 #define FRH_UNKNOWN2 0x0008 /* Don't know */
243 // Resident attributes
251 // Non-resident attributes
255 ULONGLONG HighestVCN
;
256 USHORT MappingPairsOffset
;
257 USHORT CompressionUnit
;
259 LONGLONG AllocatedSize
;
261 LONGLONG InitializedSize
;
262 LONGLONG CompressedSize
;
265 } NTFS_ATTR_RECORD
, *PNTFS_ATTR_RECORD
;
269 ULONGLONG CreationTime
;
270 ULONGLONG ChangeTime
;
271 ULONGLONG LastWriteTime
;
272 ULONGLONG LastAccessTime
;
274 ULONG AlignmentOrReserved
[3];
278 ULONGLONG QuotaCharge
;
281 } STANDARD_INFORMATION
, *PSTANDARD_INFORMATION
;
286 ATTRIBUTE_TYPE AttributeType
;
290 ULONGLONG StartVcn
; // LowVcn
291 ULONGLONG FileReferenceNumber
;
292 USHORT AttributeNumber
;
293 USHORT AlignmentOrReserved
[3];
294 } ATTRIBUTE_LIST
, *PATTRIBUTE_LIST
;
299 ULONGLONG DirectoryFileReferenceNumber
;
300 ULONGLONG CreationTime
;
301 ULONGLONG ChangeTime
;
302 ULONGLONG LastWriteTime
;
303 ULONGLONG LastAccessTime
;
304 ULONGLONG AllocatedSize
;
306 ULONG FileAttributes
;
307 ULONG AlignmentOrReserved
;
311 } FILENAME_ATTRIBUTE
, *PFILENAME_ATTRIBUTE
;
315 ULONG FirstEntryOffset
;
316 ULONG TotalSizeOfEntries
;
320 } INDEX_HEADER_ATTRIBUTE
, *PINDEX_HEADER_ATTRIBUTE
;
327 UCHAR ClustersPerIndexRecord
;
329 INDEX_HEADER_ATTRIBUTE Header
;
330 } INDEX_ROOT_ATTRIBUTE
, *PINDEX_ROOT_ATTRIBUTE
;
338 ULONGLONG IndexedFile
;
351 FILENAME_ATTRIBUTE FileName
;
352 } INDEX_ENTRY_ATTRIBUTE
, *PINDEX_ENTRY_ATTRIBUTE
;
361 } VOLINFO_ATTRIBUTE
, *PVOLINFO_ATTRIBUTE
;
365 NTFSIDENTIFIER Identifier
;
369 WORK_QUEUE_ITEM WorkQueueItem
;
372 PDEVICE_OBJECT DeviceObject
;
373 NTSTATUS SavedExceptionCode
;
374 } NTFS_IRP_CONTEXT
, *PNTFS_IRP_CONTEXT
;
376 typedef struct _NTFS_ATTR_CONTEXT
379 ULONGLONG CacheRunOffset
;
380 LONGLONG CacheRunStartLCN
;
381 ULONGLONG CacheRunLength
;
382 LONGLONG CacheRunLastLCN
;
383 ULONGLONG CacheRunCurrentOffset
;
384 NTFS_ATTR_RECORD Record
;
385 } NTFS_ATTR_CONTEXT
, *PNTFS_ATTR_CONTEXT
;
387 #define FCB_CACHE_INITIALIZED 0x0001
388 #define FCB_IS_VOLUME_STREAM 0x0002
389 #define FCB_IS_VOLUME 0x0004
394 NTFSIDENTIFIER Identifier
;
396 FSRTL_COMMON_FCB_HEADER RFCB
;
397 SECTION_OBJECT_POINTERS SectionObjectPointers
;
399 PFILE_OBJECT FileObject
;
402 WCHAR
*ObjectName
; /* point on filename (250 chars max) in PathName */
403 WCHAR PathName
[MAX_PATH
]; /* path+filename 260 max */
405 ERESOURCE PagingIoResource
;
406 ERESOURCE MainResource
;
408 LIST_ENTRY FcbListEntry
;
409 struct _FCB
* ParentFcb
;
418 FILENAME_ATTRIBUTE Entry
;
420 } NTFS_FCB
, *PNTFS_FCB
;
422 extern PNTFS_GLOBAL_DATA NtfsGlobalData
;
424 //int CdfsStrcmpi( wchar_t *str1, wchar_t *str2 );
425 //void CdfsWstrcpy( wchar_t *str1, wchar_t *str2, int max );
431 //NtfsDumpAttribute(PATTRIBUTE Attribute);
434 DecodeRun(PUCHAR DataRun
,
435 LONGLONG
*DataRunOffset
,
436 ULONGLONG
*DataRunLength
);
439 NtfsDumpFileAttributes(PFILE_RECORD_HEADER FileRecord
);
442 GetFileNameFromRecord(PFILE_RECORD_HEADER FileRecord
);
447 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject
,
448 IN LONGLONG StartingOffset
,
450 IN OUT PUCHAR Buffer
,
451 IN BOOLEAN Override
);
454 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject
,
456 IN ULONG SectorCount
,
458 IN OUT PUCHAR Buffer
,
459 IN BOOLEAN Override
);
462 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject
,
463 IN ULONG ControlCode
,
464 IN PVOID InputBuffer
,
465 IN ULONG InputBufferSize
,
466 IN OUT PVOID OutputBuffer
,
467 IN OUT PULONG OutputBufferSize
,
468 IN BOOLEAN Override
);
474 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt
,
475 PFILE_OBJECT FileObject
);
477 DRIVER_DISPATCH NtfsFsdClose
;
479 NtfsFsdClose(PDEVICE_OBJECT DeviceObject
,
485 DRIVER_DISPATCH NtfsFsdCreate
;
487 NtfsFsdCreate(PDEVICE_OBJECT DeviceObject
,
493 DRIVER_DISPATCH NtfsFsdDirectoryControl
;
495 NtfsFsdDirectoryControl(PDEVICE_OBJECT DeviceObject
,
501 DRIVER_DISPATCH NtfsFsdDispatch
;
503 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject
,
510 NtfsAcqLazyWrite(PVOID Context
,
514 NtfsRelLazyWrite(PVOID Context
);
517 NtfsAcqReadAhead(PVOID Context
,
521 NtfsRelReadAhead(PVOID Context
);
527 NtfsCreateFCB(PCWSTR FileName
,
531 NtfsDestroyFCB(PNTFS_FCB Fcb
);
534 NtfsFCBIsDirectory(PNTFS_FCB Fcb
);
537 NtfsFCBIsRoot(PNTFS_FCB Fcb
);
540 NtfsGrabFCB(PNTFS_VCB Vcb
,
544 NtfsReleaseFCB(PNTFS_VCB Vcb
,
548 NtfsAddFCBToTable(PNTFS_VCB Vcb
,
552 NtfsGrabFCBFromTable(PNTFS_VCB Vcb
,
556 NtfsFCBInitializeCache(PNTFS_VCB Vcb
,
560 NtfsMakeRootFCB(PNTFS_VCB Vcb
);
563 NtfsOpenRootFCB(PNTFS_VCB Vcb
);
566 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb
,
568 PFILE_OBJECT FileObject
);
571 NtfsGetFCBForFile(PNTFS_VCB Vcb
,
572 PNTFS_FCB
*pParentFCB
,
574 const PWSTR pFileName
);
579 DRIVER_DISPATCH NtfsFsdQueryInformation
;
581 NtfsFsdQueryInformation(PDEVICE_OBJECT DeviceObject
,
587 DRIVER_DISPATCH NtfsFsdFileSystemControl
;
589 NtfsFsdFileSystemControl(PDEVICE_OBJECT DeviceObject
,
595 ReadAttribute(PDEVICE_EXTENSION Vcb
,
596 PNTFS_ATTR_CONTEXT Context
,
602 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord
);
605 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord
);
608 ReadFileRecord(PDEVICE_EXTENSION Vcb
,
610 PFILE_RECORD_HEADER file
);
613 FindAttribute(PDEVICE_EXTENSION Vcb
,
614 PFILE_RECORD_HEADER MftRecord
,
616 PUNICODE_STRING Name
,
617 PNTFS_ATTR_CONTEXT
* AttrCtx
);
620 ReadVCN(PDEVICE_EXTENSION Vcb
,
621 PFILE_RECORD_HEADER file
,
628 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb
,
629 PNTFS_RECORD_HEADER Record
);
632 ReadLCN(PDEVICE_EXTENSION Vcb
,
638 EnumerAttribute(PFILE_RECORD_HEADER file
,
639 PDEVICE_EXTENSION Vcb
,
640 PDEVICE_OBJECT DeviceObject
);
643 NtfsLookupFile(PDEVICE_EXTENSION Vcb
,
644 PUNICODE_STRING PathName
,
645 PFILE_RECORD_HEADER
*FileRecord
,
646 PNTFS_ATTR_CONTEXT
*DataContext
,
647 PULONGLONG MFTIndex
);
650 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb
,
651 PUNICODE_STRING PathName
,
652 PFILE_RECORD_HEADER
*FileRecord
,
653 PNTFS_ATTR_CONTEXT
*DataContext
,
655 ULONGLONG CurrentMFTIndex
);
658 NtfsFindFileAt(PDEVICE_EXTENSION Vcb
,
659 PUNICODE_STRING SearchPattern
,
661 PFILE_RECORD_HEADER
*FileRecord
,
662 PNTFS_ATTR_CONTEXT
*DataContext
,
664 ULONGLONG CurrentMFTIndex
);
669 NtfsIsIrpTopLevel(PIRP Irp
);
672 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject
,
677 wstrcmpjoki(PWSTR s1
, PWSTR s2
);
680 CdfsSwapString(PWCHAR Out
,
685 CdfsDateTimeToFileTime(PFCB Fcb
,
689 CdfsFileFlagsToAttributes(PFCB Fcb
,
690 PULONG FileAttributes
);
696 DRIVER_DISPATCH NtfsFsdRead
;
698 NtfsFsdRead(PDEVICE_OBJECT DeviceObject
,
701 DRIVER_DISPATCH NtfsFsdWrite
;
703 NtfsFsdWrite(PDEVICE_OBJECT DeviceObject
,
710 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext
);
713 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext
);
718 DRIVER_INITIALIZE DriverEntry
;
722 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject
);