5 #include <pseh/pseh2.h>
8 #define INIT_SECTION __attribute__((section ("INIT")))
10 #define INIT_SECTION /* Done via alloc_text for MSC */
13 #define CACHEPAGESIZE(pDeviceExt) \
14 ((pDeviceExt)->NtfsInfo.UCHARsPerCluster > PAGE_SIZE ? \
15 (pDeviceExt)->NtfsInfo.UCHARsPerCluster : PAGE_SIZE)
17 #define TAG_NTFS 'SFTN'
19 #define ROUND_UP(N, S) ((((N) + (S) - 1) / (S)) * (S))
20 #define ROUND_DOWN(N, S) ((N) - ((N) % (S)))
22 #define DEVICE_NAME L"\\Ntfs"
25 typedef struct _BIOS_PARAMETERS_BLOCK
27 USHORT BytesPerSector
; // 0x0B
28 UCHAR SectorsPerCluster
; // 0x0D
29 UCHAR Unused0
[7]; // 0x0E, checked when volume is mounted
30 UCHAR MediaId
; // 0x15
31 UCHAR Unused1
[2]; // 0x16
32 USHORT SectorsPerTrack
; // 0x18
34 UCHAR Unused2
[4]; // 0x1C
35 UCHAR Unused3
[4]; // 0x20, checked when volume is mounted
36 } BIOS_PARAMETERS_BLOCK
, *PBIOS_PARAMETERS_BLOCK
;
38 typedef struct _EXTENDED_BIOS_PARAMETERS_BLOCK
40 USHORT Unknown
[2]; // 0x24, always 80 00 80 00
41 ULONGLONG SectorCount
; // 0x28
42 ULONGLONG MftLocation
; // 0x30
43 ULONGLONG MftMirrLocation
; // 0x38
44 CHAR ClustersPerMftRecord
; // 0x40
45 UCHAR Unused4
[3]; // 0x41
46 CHAR ClustersPerIndexRecord
; // 0x44
47 UCHAR Unused5
[3]; // 0x45
48 ULONGLONG SerialNumber
; // 0x48
49 UCHAR Checksum
[4]; // 0x50
50 } EXTENDED_BIOS_PARAMETERS_BLOCK
, *PEXTENDED_BIOS_PARAMETERS_BLOCK
;
52 typedef struct _BOOT_SECTOR
54 UCHAR Jump
[3]; // 0x00
55 UCHAR OEMID
[8]; // 0x03
56 BIOS_PARAMETERS_BLOCK BPB
;
57 EXTENDED_BIOS_PARAMETERS_BLOCK EBPB
;
58 UCHAR BootStrap
[426]; // 0x54
59 USHORT EndSector
; // 0x1FE
60 } BOOT_SECTOR
, *PBOOT_SECTOR
;
63 //typedef struct _BootSector BootSector;
65 typedef struct _NTFS_INFO
68 ULONG SectorsPerCluster
;
69 ULONG BytesPerCluster
;
70 ULONGLONG SectorCount
;
71 ULONGLONG ClusterCount
;
72 ULARGE_INTEGER MftStart
;
73 ULARGE_INTEGER MftMirrStart
;
74 ULONG BytesPerFileRecord
;
75 ULONG BytesPerIndexRecord
;
77 ULONGLONG SerialNumber
;
78 USHORT VolumeLabelLength
;
79 WCHAR VolumeLabel
[MAXIMUM_VOLUME_LABEL_LENGTH
];
84 ULONG MftZoneReservation
;
85 } NTFS_INFO
, *PNTFS_INFO
;
87 #define NTFS_TYPE_CCB '20SF'
88 #define NTFS_TYPE_FCB '30SF'
89 #define NTFS_TYPE_VCB '50SF'
90 #define NTFS_TYPE_IRP_CONTEXT '60SF'
91 #define NTFS_TYPE_GLOBAL_DATA '70SF'
97 } NTFSIDENTIFIER
, *PNTFSIDENTIFIER
;
101 NTFSIDENTIFIER Identifier
;
103 ERESOURCE DirResource
;
104 // ERESOURCE FatResource;
106 KSPIN_LOCK FcbListLock
;
107 LIST_ENTRY FcbListHead
;
110 PDEVICE_OBJECT StorageDevice
;
111 PFILE_OBJECT StreamFileObject
;
113 struct _NTFS_ATTR_CONTEXT
* MFTContext
;
114 struct _FILE_RECORD_HEADER
* MasterFileTable
;
115 struct _FCB
*VolumeFcb
;
121 ULONG OpenHandleCount
;
123 } DEVICE_EXTENSION
, *PDEVICE_EXTENSION
, NTFS_VCB
, *PNTFS_VCB
;
125 #define VCB_VOLUME_LOCKED 0x0001
129 NTFSIDENTIFIER Identifier
;
131 PFILE_OBJECT PtrFileObject
;
132 LARGE_INTEGER CurrentByteOffset
;
133 /* for DirectoryControl */
135 /* for DirectoryControl */
136 PWCHAR DirectorySearchPattern
;
139 } NTFS_CCB
, *PNTFS_CCB
;
141 #define TAG_CCB 'BCCI'
142 #define TAG_FCB 'BCFI'
146 NTFSIDENTIFIER Identifier
;
148 PDRIVER_OBJECT DriverObject
;
149 PDEVICE_OBJECT DeviceObject
;
150 CACHE_MANAGER_CALLBACKS CacheMgrCallbacks
;
152 FAST_IO_DISPATCH FastIoDispatch
;
153 NPAGED_LOOKASIDE_LIST IrpContextLookasideList
;
154 NPAGED_LOOKASIDE_LIST FcbLookasideList
;
155 BOOLEAN EnableWriteSupport
;
156 } NTFS_GLOBAL_DATA
, *PNTFS_GLOBAL_DATA
;
161 AttributeStandardInformation
= 0x10,
162 AttributeAttributeList
= 0x20,
163 AttributeFileName
= 0x30,
164 AttributeObjectId
= 0x40,
165 AttributeSecurityDescriptor
= 0x50,
166 AttributeVolumeName
= 0x60,
167 AttributeVolumeInformation
= 0x70,
168 AttributeData
= 0x80,
169 AttributeIndexRoot
= 0x90,
170 AttributeIndexAllocation
= 0xA0,
171 AttributeBitmap
= 0xB0,
172 AttributeReparsePoint
= 0xC0,
173 AttributeEAInformation
= 0xD0,
175 AttributePropertySet
= 0xF0,
176 AttributeLoggedUtilityStream
= 0x100,
177 AttributeEnd
= 0xFFFFFFFF
178 } ATTRIBUTE_TYPE
, *PATTRIBUTE_TYPE
;
180 // FILE_RECORD_END seems to follow AttributeEnd in every file record starting with $Quota.
181 // No clue what data is being represented here.
182 #define FILE_RECORD_END 0x11477982
184 #define NTFS_FILE_MFT 0
185 #define NTFS_FILE_MFTMIRR 1
186 #define NTFS_FILE_LOGFILE 2
187 #define NTFS_FILE_VOLUME 3
188 #define NTFS_FILE_ATTRDEF 4
189 #define NTFS_FILE_ROOT 5
190 #define NTFS_FILE_BITMAP 6
191 #define NTFS_FILE_BOOT 7
192 #define NTFS_FILE_BADCLUS 8
193 #define NTFS_FILE_QUOTA 9
194 #define NTFS_FILE_UPCASE 10
195 #define NTFS_FILE_EXTEND 11
197 #define NTFS_MFT_MASK 0x0000FFFFFFFFFFFFULL
199 #define COLLATION_BINARY 0x00
200 #define COLLATION_FILE_NAME 0x01
201 #define COLLATION_UNICODE_STRING 0x02
202 #define COLLATION_NTOFS_ULONG 0x10
203 #define COLLATION_NTOFS_SID 0x11
204 #define COLLATION_NTOFS_SECURITY_HASH 0x12
205 #define COLLATION_NTOFS_ULONGS 0x13
207 #define INDEX_ROOT_SMALL 0x0
208 #define INDEX_ROOT_LARGE 0x1
210 #define NTFS_INDEX_ENTRY_NODE 1
211 #define NTFS_INDEX_ENTRY_END 2
213 #define NTFS_FILE_NAME_POSIX 0
214 #define NTFS_FILE_NAME_WIN32 1
215 #define NTFS_FILE_NAME_DOS 2
216 #define NTFS_FILE_NAME_WIN32_AND_DOS 3
218 #define NTFS_FILE_TYPE_READ_ONLY 0x1
219 #define NTFS_FILE_TYPE_HIDDEN 0x2
220 #define NTFS_FILE_TYPE_SYSTEM 0x4
221 #define NTFS_FILE_TYPE_ARCHIVE 0x20
222 #define NTFS_FILE_TYPE_REPARSE 0x400
223 #define NTFS_FILE_TYPE_COMPRESSED 0x800
224 #define NTFS_FILE_TYPE_DIRECTORY 0x10000000
228 ULONG Type
; /* Magic number 'FILE' */
229 USHORT UsaOffset
; /* Offset to the update sequence */
230 USHORT UsaCount
; /* Size in words of Update Sequence Number & Array (S) */
231 ULONGLONG Lsn
; /* $LogFile Sequence Number (LSN) */
232 } NTFS_RECORD_HEADER
, *PNTFS_RECORD_HEADER
;
234 /* NTFS_RECORD_HEADER.Type */
235 #define NRH_FILE_TYPE 0x454C4946 /* 'FILE' */
236 #define NRH_INDX_TYPE 0x58444E49 /* 'INDX' */
239 typedef struct _FILE_RECORD_HEADER
241 NTFS_RECORD_HEADER Ntfs
;
242 USHORT SequenceNumber
; /* Sequence number */
243 USHORT LinkCount
; /* Hard link count */
244 USHORT AttributeOffset
; /* Offset to the first Attribute */
245 USHORT Flags
; /* Flags */
246 ULONG BytesInUse
; /* Real size of the FILE record */
247 ULONG BytesAllocated
; /* Allocated size of the FILE record */
248 ULONGLONG BaseFileRecord
; /* File reference to the base FILE record */
249 USHORT NextAttributeNumber
; /* Next Attribute Id */
250 USHORT Padding
; /* Align to 4 UCHAR boundary (XP) */
251 ULONG MFTRecordNumber
; /* Number of this MFT Record (XP) */
252 } FILE_RECORD_HEADER
, *PFILE_RECORD_HEADER
;
254 /* Flags in FILE_RECORD_HEADER */
256 #define FRH_IN_USE 0x0001 /* Record is in use */
257 #define FRH_DIRECTORY 0x0002 /* Record is a directory */
258 #define FRH_UNKNOWN1 0x0004 /* Don't know */
259 #define FRH_UNKNOWN2 0x0008 /* Don't know */
272 // Resident attributes
280 // Non-resident attributes
284 ULONGLONG HighestVCN
;
285 USHORT MappingPairsOffset
;
286 USHORT CompressionUnit
;
288 LONGLONG AllocatedSize
;
290 LONGLONG InitializedSize
;
291 LONGLONG CompressedSize
;
294 } NTFS_ATTR_RECORD
, *PNTFS_ATTR_RECORD
;
298 ULONGLONG CreationTime
;
299 ULONGLONG ChangeTime
;
300 ULONGLONG LastWriteTime
;
301 ULONGLONG LastAccessTime
;
303 ULONG AlignmentOrReserved
[3];
307 ULONGLONG QuotaCharge
;
310 } STANDARD_INFORMATION
, *PSTANDARD_INFORMATION
;
315 ATTRIBUTE_TYPE AttributeType
;
319 ULONGLONG StartVcn
; // LowVcn
320 ULONGLONG FileReferenceNumber
;
321 USHORT AttributeNumber
;
322 USHORT AlignmentOrReserved
[3];
323 } ATTRIBUTE_LIST
, *PATTRIBUTE_LIST
;
328 ULONGLONG DirectoryFileReferenceNumber
;
329 ULONGLONG CreationTime
;
330 ULONGLONG ChangeTime
;
331 ULONGLONG LastWriteTime
;
332 ULONGLONG LastAccessTime
;
333 ULONGLONG AllocatedSize
;
335 ULONG FileAttributes
;
341 USHORT AlignmentOrReserved
;
348 } FILENAME_ATTRIBUTE
, *PFILENAME_ATTRIBUTE
;
352 ULONG FirstEntryOffset
;
353 ULONG TotalSizeOfEntries
;
357 } INDEX_HEADER_ATTRIBUTE
, *PINDEX_HEADER_ATTRIBUTE
;
364 UCHAR ClustersPerIndexRecord
;
366 INDEX_HEADER_ATTRIBUTE Header
;
367 } INDEX_ROOT_ATTRIBUTE
, *PINDEX_ROOT_ATTRIBUTE
;
371 NTFS_RECORD_HEADER Ntfs
;
373 INDEX_HEADER_ATTRIBUTE Header
;
374 } INDEX_BUFFER
, *PINDEX_BUFFER
;
382 ULONGLONG IndexedFile
;
395 FILENAME_ATTRIBUTE FileName
;
396 } INDEX_ENTRY_ATTRIBUTE
, *PINDEX_ENTRY_ATTRIBUTE
;
405 } VOLINFO_ATTRIBUTE
, *PVOLINFO_ATTRIBUTE
;
412 } REPARSE_POINT_ATTRIBUTE
, *PREPARSE_POINT_ATTRIBUTE
;
414 #define IRPCONTEXT_CANWAIT 0x1
415 #define IRPCONTEXT_COMPLETE 0x2
416 #define IRPCONTEXT_QUEUE 0x4
420 NTFSIDENTIFIER Identifier
;
422 PIO_STACK_LOCATION Stack
;
425 WORK_QUEUE_ITEM WorkQueueItem
;
428 PDEVICE_OBJECT DeviceObject
;
429 PFILE_OBJECT FileObject
;
430 NTSTATUS SavedExceptionCode
;
432 } NTFS_IRP_CONTEXT
, *PNTFS_IRP_CONTEXT
;
434 typedef struct _NTFS_ATTR_CONTEXT
437 ULONGLONG CacheRunOffset
;
438 LONGLONG CacheRunStartLCN
;
439 ULONGLONG CacheRunLength
;
440 LONGLONG CacheRunLastLCN
;
441 ULONGLONG CacheRunCurrentOffset
;
442 LARGE_MCB DataRunsMCB
;
443 ULONGLONG FileMFTIndex
;
444 NTFS_ATTR_RECORD Record
;
445 } NTFS_ATTR_CONTEXT
, *PNTFS_ATTR_CONTEXT
;
447 #define FCB_CACHE_INITIALIZED 0x0001
448 #define FCB_IS_VOLUME_STREAM 0x0002
449 #define FCB_IS_VOLUME 0x0004
454 NTFSIDENTIFIER Identifier
;
456 FSRTL_COMMON_FCB_HEADER RFCB
;
457 SECTION_OBJECT_POINTERS SectionObjectPointers
;
459 PFILE_OBJECT FileObject
;
462 WCHAR Stream
[MAX_PATH
];
463 WCHAR
*ObjectName
; /* point on filename (250 chars max) in PathName */
464 WCHAR PathName
[MAX_PATH
]; /* path+filename 260 max */
466 ERESOURCE PagingIoResource
;
467 ERESOURCE MainResource
;
469 LIST_ENTRY FcbListEntry
;
470 struct _FCB
* ParentFcb
;
476 ULONG OpenHandleCount
;
481 FILENAME_ATTRIBUTE Entry
;
483 } NTFS_FCB
, *PNTFS_FCB
;
485 typedef struct _FIND_ATTR_CONTXT
487 PDEVICE_EXTENSION Vcb
;
488 BOOLEAN OnlyResident
;
489 PNTFS_ATTR_RECORD FirstAttr
;
490 PNTFS_ATTR_RECORD CurrAttr
;
491 PNTFS_ATTR_RECORD LastAttr
;
492 PNTFS_ATTR_RECORD NonResidentStart
;
493 PNTFS_ATTR_RECORD NonResidentEnd
;
495 } FIND_ATTR_CONTXT
, *PFIND_ATTR_CONTXT
;
501 } FIXUP_ARRAY
, *PFIXUP_ARRAY
;
503 extern PNTFS_GLOBAL_DATA NtfsGlobalData
;
507 NtfsMarkIrpContextForQueue(PNTFS_IRP_CONTEXT IrpContext
)
509 PULONG Flags
= &IrpContext
->Flags
;
511 *Flags
&= ~IRPCONTEXT_COMPLETE
;
512 *Flags
|= IRPCONTEXT_QUEUE
;
514 return STATUS_PENDING
;
520 //NtfsDumpAttribute(PATTRIBUTE Attribute);
523 AddData(PFILE_RECORD_HEADER FileRecord
,
524 PNTFS_ATTR_RECORD AttributeAddress
);
527 AddRun(PNTFS_VCB Vcb
,
528 PNTFS_ATTR_CONTEXT AttrContext
,
530 PFILE_RECORD_HEADER FileRecord
,
531 ULONGLONG NextAssignedCluster
,
535 AddFileName(PFILE_RECORD_HEADER FileRecord
,
536 PNTFS_ATTR_RECORD AttributeAddress
,
537 PDEVICE_EXTENSION DeviceExt
,
538 PFILE_OBJECT FileObject
,
539 BOOLEAN CaseSensitive
,
540 PULONGLONG ParentMftIndex
);
543 AddStandardInformation(PFILE_RECORD_HEADER FileRecord
,
544 PNTFS_ATTR_RECORD AttributeAddress
);
547 ConvertDataRunsToLargeMCB(PUCHAR DataRun
,
548 PLARGE_MCB DataRunsMCB
,
549 PULONGLONG pNextVBN
);
552 ConvertLargeMCBToDataRuns(PLARGE_MCB DataRunsMCB
,
555 PULONG UsedBufferSize
);
558 DecodeRun(PUCHAR DataRun
,
559 LONGLONG
*DataRunOffset
,
560 ULONGLONG
*DataRunLength
);
563 NtfsDumpDataRuns(PVOID StartOfRun
,
564 ULONGLONG CurrentLCN
);
567 NtfsDumpFileAttributes(PDEVICE_EXTENSION Vcb
,
568 PFILE_RECORD_HEADER FileRecord
);
570 PSTANDARD_INFORMATION
571 GetStandardInformationFromRecord(PDEVICE_EXTENSION Vcb
,
572 PFILE_RECORD_HEADER FileRecord
);
575 GetFileNameFromRecord(PDEVICE_EXTENSION Vcb
,
576 PFILE_RECORD_HEADER FileRecord
,
580 GetPackedByteCount(LONGLONG NumberToPack
,
584 GetLastClusterInDataRun(PDEVICE_EXTENSION Vcb
,
585 PNTFS_ATTR_RECORD Attribute
,
586 PULONGLONG LastCluster
);
589 GetBestFileNameFromRecord(PDEVICE_EXTENSION Vcb
,
590 PFILE_RECORD_HEADER FileRecord
);
593 FindFirstAttribute(PFIND_ATTR_CONTXT Context
,
594 PDEVICE_EXTENSION Vcb
,
595 PFILE_RECORD_HEADER FileRecord
,
596 BOOLEAN OnlyResident
,
597 PNTFS_ATTR_RECORD
* Attribute
);
600 FindNextAttribute(PFIND_ATTR_CONTXT Context
,
601 PNTFS_ATTR_RECORD
* Attribute
);
604 FindCloseAttribute(PFIND_ATTR_CONTXT Context
);
607 FreeClusters(PNTFS_VCB Vcb
,
608 PNTFS_ATTR_CONTEXT AttrContext
,
610 PFILE_RECORD_HEADER FileRecord
,
611 ULONG ClustersToFree
);
616 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject
,
617 IN LONGLONG StartingOffset
,
620 IN OUT PUCHAR Buffer
,
621 IN BOOLEAN Override
);
624 NtfsWriteDisk(IN PDEVICE_OBJECT DeviceObject
,
625 IN LONGLONG StartingOffset
,
628 IN
const PUCHAR Buffer
);
631 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject
,
633 IN ULONG SectorCount
,
635 IN OUT PUCHAR Buffer
,
636 IN BOOLEAN Override
);
639 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject
,
640 IN ULONG ControlCode
,
641 IN PVOID InputBuffer
,
642 IN ULONG InputBufferSize
,
643 IN OUT PVOID OutputBuffer
,
644 IN OUT PULONG OutputBufferSize
,
645 IN BOOLEAN Override
);
651 NtfsCleanup(PNTFS_IRP_CONTEXT IrpContext
);
657 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt
,
658 PFILE_OBJECT FileObject
);
661 NtfsClose(PNTFS_IRP_CONTEXT IrpContext
);
667 NtfsCreate(PNTFS_IRP_CONTEXT IrpContext
);
670 NtfsCreateFileRecord(PDEVICE_EXTENSION DeviceExt
,
671 PFILE_OBJECT FileObject
,
672 BOOLEAN CaseSensitive
,
678 NtfsDeviceControl(PNTFS_IRP_CONTEXT IrpContext
);
684 NtfsAddFilenameToDirectory(PDEVICE_EXTENSION DeviceExt
,
685 ULONGLONG DirectoryMftIndex
,
686 ULONGLONG FileMftIndex
,
687 PFILENAME_ATTRIBUTE FilenameAttribute
);
690 NtfsGetFileSize(PDEVICE_EXTENSION DeviceExt
,
691 PFILE_RECORD_HEADER FileRecord
,
694 PULONGLONG AllocatedSize
);
697 NtfsDirectoryControl(PNTFS_IRP_CONTEXT IrpContext
);
702 DRIVER_DISPATCH NtfsFsdDispatch
;
704 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject
,
711 NtfsAcqLazyWrite(PVOID Context
,
715 NtfsRelLazyWrite(PVOID Context
);
718 NtfsAcqReadAhead(PVOID Context
,
722 NtfsRelReadAhead(PVOID Context
);
724 FAST_IO_CHECK_IF_POSSIBLE NtfsFastIoCheckIfPossible
;
725 FAST_IO_READ NtfsFastIoRead
;
726 FAST_IO_WRITE NtfsFastIoWrite
;
732 NtfsCreateFCB(PCWSTR FileName
,
737 NtfsDestroyFCB(PNTFS_FCB Fcb
);
740 NtfsFCBIsDirectory(PNTFS_FCB Fcb
);
743 NtfsFCBIsReparsePoint(PNTFS_FCB Fcb
);
746 NtfsFCBIsCompressed(PNTFS_FCB Fcb
);
749 NtfsFCBIsRoot(PNTFS_FCB Fcb
);
752 NtfsGrabFCB(PNTFS_VCB Vcb
,
756 NtfsReleaseFCB(PNTFS_VCB Vcb
,
760 NtfsAddFCBToTable(PNTFS_VCB Vcb
,
764 NtfsGrabFCBFromTable(PNTFS_VCB Vcb
,
768 NtfsFCBInitializeCache(PNTFS_VCB Vcb
,
772 NtfsMakeRootFCB(PNTFS_VCB Vcb
);
775 NtfsOpenRootFCB(PNTFS_VCB Vcb
);
778 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb
,
780 PFILE_OBJECT FileObject
);
783 NtfsGetFCBForFile(PNTFS_VCB Vcb
,
784 PNTFS_FCB
*pParentFCB
,
786 const PWSTR pFileName
,
787 BOOLEAN CaseSensitive
);
790 NtfsReadFCBAttribute(PNTFS_VCB Vcb
,
798 NtfsMakeFCBFromDirEntry(PNTFS_VCB Vcb
,
799 PNTFS_FCB DirectoryFCB
,
800 PUNICODE_STRING Name
,
802 PFILE_RECORD_HEADER Record
,
804 PNTFS_FCB
* fileFCB
);
810 NtfsQueryInformation(PNTFS_IRP_CONTEXT IrpContext
);
813 NtfsSetEndOfFile(PNTFS_FCB Fcb
,
814 PFILE_OBJECT FileObject
,
815 PDEVICE_EXTENSION DeviceExt
,
817 BOOLEAN CaseSensitive
,
818 PLARGE_INTEGER NewFileSize
);
821 NtfsSetInformation(PNTFS_IRP_CONTEXT IrpContext
);
826 NtfsFileSystemControl(PNTFS_IRP_CONTEXT IrpContext
);
831 AddNewMftEntry(PFILE_RECORD_HEADER FileRecord
,
832 PDEVICE_EXTENSION DeviceExt
,
833 PULONGLONG DestinationIndex
,
837 PrepareAttributeContext(PNTFS_ATTR_RECORD AttrRecord
);
840 ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context
);
843 ReadAttribute(PDEVICE_EXTENSION Vcb
,
844 PNTFS_ATTR_CONTEXT Context
,
850 WriteAttribute(PDEVICE_EXTENSION Vcb
,
851 PNTFS_ATTR_CONTEXT Context
,
855 PULONG LengthWritten
);
858 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord
);
861 InternalSetResidentAttributeLength(PNTFS_ATTR_CONTEXT AttrContext
,
862 PFILE_RECORD_HEADER FileRecord
,
867 SetAttributeDataLength(PFILE_OBJECT FileObject
,
869 PNTFS_ATTR_CONTEXT AttrContext
,
871 PFILE_RECORD_HEADER FileRecord
,
872 PLARGE_INTEGER DataSize
);
875 SetFileRecordEnd(PFILE_RECORD_HEADER FileRecord
,
876 PNTFS_ATTR_RECORD AttrEnd
,
880 SetNonResidentAttributeDataLength(PDEVICE_EXTENSION Vcb
,
881 PNTFS_ATTR_CONTEXT AttrContext
,
883 PFILE_RECORD_HEADER FileRecord
,
884 PLARGE_INTEGER DataSize
);
887 SetResidentAttributeDataLength(PDEVICE_EXTENSION Vcb
,
888 PNTFS_ATTR_CONTEXT AttrContext
,
890 PFILE_RECORD_HEADER FileRecord
,
891 PLARGE_INTEGER DataSize
);
894 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord
);
897 CompareFileName(PUNICODE_STRING FileName
,
898 PINDEX_ENTRY_ATTRIBUTE IndexEntry
,
900 BOOLEAN CaseSensitive
);
903 ReadFileRecord(PDEVICE_EXTENSION Vcb
,
905 PFILE_RECORD_HEADER file
);
908 UpdateIndexEntryFileNameSize(PDEVICE_EXTENSION Vcb
,
909 PFILE_RECORD_HEADER MftRecord
,
911 ULONG IndexBlockSize
,
912 PINDEX_ENTRY_ATTRIBUTE FirstEntry
,
913 PINDEX_ENTRY_ATTRIBUTE LastEntry
,
914 PUNICODE_STRING FileName
,
918 ULONGLONG NewDataSize
,
919 ULONGLONG NewAllocatedSize
,
920 BOOLEAN CaseSensitive
);
923 UpdateFileNameRecord(PDEVICE_EXTENSION Vcb
,
924 ULONGLONG ParentMFTIndex
,
925 PUNICODE_STRING FileName
,
927 ULONGLONG NewDataSize
,
928 ULONGLONG NewAllocationSize
,
929 BOOLEAN CaseSensitive
);
932 UpdateFileRecord(PDEVICE_EXTENSION Vcb
,
934 PFILE_RECORD_HEADER FileRecord
);
937 FindAttribute(PDEVICE_EXTENSION Vcb
,
938 PFILE_RECORD_HEADER MftRecord
,
942 PNTFS_ATTR_CONTEXT
* AttrCtx
,
946 ReadVCN(PDEVICE_EXTENSION Vcb
,
947 PFILE_RECORD_HEADER file
,
954 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb
,
955 PNTFS_RECORD_HEADER Record
);
958 AddFixupArray(PDEVICE_EXTENSION Vcb
,
959 PNTFS_RECORD_HEADER Record
);
962 ReadLCN(PDEVICE_EXTENSION Vcb
,
968 EnumerAttribute(PFILE_RECORD_HEADER file
,
969 PDEVICE_EXTENSION Vcb
,
970 PDEVICE_OBJECT DeviceObject
);
973 NtfsLookupFile(PDEVICE_EXTENSION Vcb
,
974 PUNICODE_STRING PathName
,
975 BOOLEAN CaseSensitive
,
976 PFILE_RECORD_HEADER
*FileRecord
,
977 PULONGLONG MFTIndex
);
980 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb
,
981 PUNICODE_STRING PathName
,
982 BOOLEAN CaseSensitive
,
983 PFILE_RECORD_HEADER
*FileRecord
,
985 ULONGLONG CurrentMFTIndex
);
988 NtfsDumpFileRecord(PDEVICE_EXTENSION Vcb
,
989 PFILE_RECORD_HEADER FileRecord
);
992 NtfsFindFileAt(PDEVICE_EXTENSION Vcb
,
993 PUNICODE_STRING SearchPattern
,
995 PFILE_RECORD_HEADER
*FileRecord
,
997 ULONGLONG CurrentMFTIndex
,
998 BOOLEAN CaseSensitive
);
1001 NtfsFindMftRecord(PDEVICE_EXTENSION Vcb
,
1003 PUNICODE_STRING FileName
,
1006 ULONGLONG
*OutMFTIndex
,
1007 BOOLEAN CaseSensitive
);
1012 NtfsIsIrpTopLevel(PIRP Irp
);
1015 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject
,
1019 NtfsGetUserBuffer(PIRP Irp
,
1023 NtfsLockUserBuffer(IN PIRP Irp
,
1025 IN LOCK_OPERATION Operation
);
1029 wstrcmpjoki(PWSTR s1
, PWSTR s2
);
1032 CdfsSwapString(PWCHAR Out
,
1038 NtfsFileFlagsToAttributes(ULONG NtfsAttributes
,
1039 PULONG FileAttributes
);
1045 NtfsRead(PNTFS_IRP_CONTEXT IrpContext
);
1048 NtfsWrite(PNTFS_IRP_CONTEXT IrpContext
);
1054 NtfsAllocateClusters(PDEVICE_EXTENSION DeviceExt
,
1055 ULONG FirstDesiredCluster
,
1056 ULONG DesiredClusters
,
1057 PULONG FirstAssignedCluster
,
1058 PULONG AssignedClusters
);
1061 NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt
);
1064 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext
);
1067 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext
);
1072 DRIVER_INITIALIZE DriverEntry
;
1076 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject
);