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
196 #define NTFS_FILE_FIRST_USER_FILE 16
198 #define NTFS_MFT_MASK 0x0000FFFFFFFFFFFFULL
200 #define COLLATION_BINARY 0x00
201 #define COLLATION_FILE_NAME 0x01
202 #define COLLATION_UNICODE_STRING 0x02
203 #define COLLATION_NTOFS_ULONG 0x10
204 #define COLLATION_NTOFS_SID 0x11
205 #define COLLATION_NTOFS_SECURITY_HASH 0x12
206 #define COLLATION_NTOFS_ULONGS 0x13
208 #define INDEX_ROOT_SMALL 0x0
209 #define INDEX_ROOT_LARGE 0x1
211 #define INDEX_NODE_SMALL 0x0
212 #define INDEX_NODE_LARGE 0x1
214 #define NTFS_INDEX_ENTRY_NODE 1
215 #define NTFS_INDEX_ENTRY_END 2
217 #define NTFS_FILE_NAME_POSIX 0
218 #define NTFS_FILE_NAME_WIN32 1
219 #define NTFS_FILE_NAME_DOS 2
220 #define NTFS_FILE_NAME_WIN32_AND_DOS 3
222 #define NTFS_FILE_TYPE_READ_ONLY 0x1
223 #define NTFS_FILE_TYPE_HIDDEN 0x2
224 #define NTFS_FILE_TYPE_SYSTEM 0x4
225 #define NTFS_FILE_TYPE_ARCHIVE 0x20
226 #define NTFS_FILE_TYPE_REPARSE 0x400
227 #define NTFS_FILE_TYPE_COMPRESSED 0x800
228 #define NTFS_FILE_TYPE_DIRECTORY 0x10000000
230 /* Indexed Flag in Resident attributes - still somewhat speculative */
231 #define RA_INDEXED 0x01
235 ULONG Type
; /* Magic number 'FILE' */
236 USHORT UsaOffset
; /* Offset to the update sequence */
237 USHORT UsaCount
; /* Size in words of Update Sequence Number & Array (S) */
238 ULONGLONG Lsn
; /* $LogFile Sequence Number (LSN) */
239 } NTFS_RECORD_HEADER
, *PNTFS_RECORD_HEADER
;
241 /* NTFS_RECORD_HEADER.Type */
242 #define NRH_FILE_TYPE 0x454C4946 /* 'FILE' */
243 #define NRH_INDX_TYPE 0x58444E49 /* 'INDX' */
246 typedef struct _FILE_RECORD_HEADER
248 NTFS_RECORD_HEADER Ntfs
;
249 USHORT SequenceNumber
; /* Sequence number */
250 USHORT LinkCount
; /* Hard link count */
251 USHORT AttributeOffset
; /* Offset to the first Attribute */
252 USHORT Flags
; /* Flags */
253 ULONG BytesInUse
; /* Real size of the FILE record */
254 ULONG BytesAllocated
; /* Allocated size of the FILE record */
255 ULONGLONG BaseFileRecord
; /* File reference to the base FILE record */
256 USHORT NextAttributeNumber
; /* Next Attribute Id */
257 USHORT Padding
; /* Align to 4 UCHAR boundary (XP) */
258 ULONG MFTRecordNumber
; /* Number of this MFT Record (XP) */
259 } FILE_RECORD_HEADER
, *PFILE_RECORD_HEADER
;
261 /* Flags in FILE_RECORD_HEADER */
263 #define FRH_IN_USE 0x0001 /* Record is in use */
264 #define FRH_DIRECTORY 0x0002 /* Record is a directory */
265 #define FRH_UNKNOWN1 0x0004 /* Don't know */
266 #define FRH_UNKNOWN2 0x0008 /* Don't know */
279 // Resident attributes
287 // Non-resident attributes
291 ULONGLONG HighestVCN
;
292 USHORT MappingPairsOffset
;
293 USHORT CompressionUnit
;
295 LONGLONG AllocatedSize
;
297 LONGLONG InitializedSize
;
298 LONGLONG CompressedSize
;
301 } NTFS_ATTR_RECORD
, *PNTFS_ATTR_RECORD
;
303 // The beginning and length of an attribute record are always aligned to an 8-byte boundary,
304 // relative to the beginning of the file record.
305 #define ATTR_RECORD_ALIGNMENT 8
309 ULONGLONG CreationTime
;
310 ULONGLONG ChangeTime
;
311 ULONGLONG LastWriteTime
;
312 ULONGLONG LastAccessTime
;
314 ULONG AlignmentOrReserved
[3];
318 ULONGLONG QuotaCharge
;
321 } STANDARD_INFORMATION
, *PSTANDARD_INFORMATION
;
326 ATTRIBUTE_TYPE AttributeType
;
330 ULONGLONG StartVcn
; // LowVcn
331 ULONGLONG FileReferenceNumber
;
332 USHORT AttributeNumber
;
333 USHORT AlignmentOrReserved
[3];
334 } ATTRIBUTE_LIST
, *PATTRIBUTE_LIST
;
339 ULONGLONG DirectoryFileReferenceNumber
;
340 ULONGLONG CreationTime
;
341 ULONGLONG ChangeTime
;
342 ULONGLONG LastWriteTime
;
343 ULONGLONG LastAccessTime
;
344 ULONGLONG AllocatedSize
;
346 ULONG FileAttributes
;
352 USHORT AlignmentOrReserved
;
359 } FILENAME_ATTRIBUTE
, *PFILENAME_ATTRIBUTE
;
363 ULONG FirstEntryOffset
;
364 ULONG TotalSizeOfEntries
;
368 } INDEX_HEADER_ATTRIBUTE
, *PINDEX_HEADER_ATTRIBUTE
;
375 UCHAR ClustersPerIndexRecord
;
377 INDEX_HEADER_ATTRIBUTE Header
;
378 } INDEX_ROOT_ATTRIBUTE
, *PINDEX_ROOT_ATTRIBUTE
;
382 NTFS_RECORD_HEADER Ntfs
;
384 INDEX_HEADER_ATTRIBUTE Header
;
385 } INDEX_BUFFER
, *PINDEX_BUFFER
;
393 ULONGLONG IndexedFile
;
406 FILENAME_ATTRIBUTE FileName
;
407 } INDEX_ENTRY_ATTRIBUTE
, *PINDEX_ENTRY_ATTRIBUTE
;
409 struct _B_TREE_FILENAME_NODE
;
410 typedef struct _B_TREE_FILENAME_NODE B_TREE_FILENAME_NODE
;
412 // Keys are arranged in nodes as an ordered, linked list
413 typedef struct _B_TREE_KEY
415 struct _B_TREE_KEY
*NextKey
;
416 B_TREE_FILENAME_NODE
*LesserChild
; // Child-Node. All the keys in this node will be sorted before IndexEntry
417 PINDEX_ENTRY_ATTRIBUTE IndexEntry
; // must be last member for FIELD_OFFSET
418 }B_TREE_KEY
, *PB_TREE_KEY
;
420 // Every Node is just an ordered list of keys.
421 // Sub-nodes can be found attached to a key (if they exist).
422 // A key's sub-node precedes that key in the ordered list.
423 typedef struct _B_TREE_FILENAME_NODE
426 BOOLEAN ExistsOnDisk
;
427 BOOLEAN DiskNeedsUpdating
;
428 ULONGLONG NodeNumber
;
429 PB_TREE_KEY FirstKey
;
430 } B_TREE_FILENAME_NODE
, *PB_TREE_FILENAME_NODE
;
434 PB_TREE_FILENAME_NODE RootNode
;
444 } VOLINFO_ATTRIBUTE
, *PVOLINFO_ATTRIBUTE
;
451 } REPARSE_POINT_ATTRIBUTE
, *PREPARSE_POINT_ATTRIBUTE
;
453 #define IRPCONTEXT_CANWAIT 0x1
454 #define IRPCONTEXT_COMPLETE 0x2
455 #define IRPCONTEXT_QUEUE 0x4
459 NTFSIDENTIFIER Identifier
;
461 PIO_STACK_LOCATION Stack
;
464 WORK_QUEUE_ITEM WorkQueueItem
;
467 PDEVICE_OBJECT DeviceObject
;
468 PFILE_OBJECT FileObject
;
469 NTSTATUS SavedExceptionCode
;
471 } NTFS_IRP_CONTEXT
, *PNTFS_IRP_CONTEXT
;
473 typedef struct _NTFS_ATTR_CONTEXT
476 ULONGLONG CacheRunOffset
;
477 LONGLONG CacheRunStartLCN
;
478 ULONGLONG CacheRunLength
;
479 LONGLONG CacheRunLastLCN
;
480 ULONGLONG CacheRunCurrentOffset
;
481 LARGE_MCB DataRunsMCB
;
482 ULONGLONG FileMFTIndex
;
483 PNTFS_ATTR_RECORD pRecord
;
484 } NTFS_ATTR_CONTEXT
, *PNTFS_ATTR_CONTEXT
;
486 #define FCB_CACHE_INITIALIZED 0x0001
487 #define FCB_IS_VOLUME_STREAM 0x0002
488 #define FCB_IS_VOLUME 0x0004
493 NTFSIDENTIFIER Identifier
;
495 FSRTL_COMMON_FCB_HEADER RFCB
;
496 SECTION_OBJECT_POINTERS SectionObjectPointers
;
498 PFILE_OBJECT FileObject
;
501 WCHAR Stream
[MAX_PATH
];
502 WCHAR
*ObjectName
; /* point on filename (250 chars max) in PathName */
503 WCHAR PathName
[MAX_PATH
]; /* path+filename 260 max */
505 ERESOURCE PagingIoResource
;
506 ERESOURCE MainResource
;
508 LIST_ENTRY FcbListEntry
;
509 struct _FCB
* ParentFcb
;
515 ULONG OpenHandleCount
;
520 FILENAME_ATTRIBUTE Entry
;
522 } NTFS_FCB
, *PNTFS_FCB
;
524 typedef struct _FIND_ATTR_CONTXT
526 PDEVICE_EXTENSION Vcb
;
527 BOOLEAN OnlyResident
;
528 PNTFS_ATTR_RECORD FirstAttr
;
529 PNTFS_ATTR_RECORD CurrAttr
;
530 PNTFS_ATTR_RECORD LastAttr
;
531 PNTFS_ATTR_RECORD NonResidentStart
;
532 PNTFS_ATTR_RECORD NonResidentEnd
;
534 } FIND_ATTR_CONTXT
, *PFIND_ATTR_CONTXT
;
540 } FIXUP_ARRAY
, *PFIXUP_ARRAY
;
542 extern PNTFS_GLOBAL_DATA NtfsGlobalData
;
546 NtfsMarkIrpContextForQueue(PNTFS_IRP_CONTEXT IrpContext
)
548 PULONG Flags
= &IrpContext
->Flags
;
550 *Flags
&= ~IRPCONTEXT_COMPLETE
;
551 *Flags
|= IRPCONTEXT_QUEUE
;
553 return STATUS_PENDING
;
559 //NtfsDumpAttribute(PATTRIBUTE Attribute);
562 AddData(PFILE_RECORD_HEADER FileRecord
,
563 PNTFS_ATTR_RECORD AttributeAddress
);
566 AddRun(PNTFS_VCB Vcb
,
567 PNTFS_ATTR_CONTEXT AttrContext
,
569 PFILE_RECORD_HEADER FileRecord
,
570 ULONGLONG NextAssignedCluster
,
574 AddFileName(PFILE_RECORD_HEADER FileRecord
,
575 PNTFS_ATTR_RECORD AttributeAddress
,
576 PDEVICE_EXTENSION DeviceExt
,
577 PFILE_OBJECT FileObject
,
578 BOOLEAN CaseSensitive
,
579 PULONGLONG ParentMftIndex
);
582 AddStandardInformation(PFILE_RECORD_HEADER FileRecord
,
583 PNTFS_ATTR_RECORD AttributeAddress
);
586 ConvertDataRunsToLargeMCB(PUCHAR DataRun
,
587 PLARGE_MCB DataRunsMCB
,
588 PULONGLONG pNextVBN
);
591 ConvertLargeMCBToDataRuns(PLARGE_MCB DataRunsMCB
,
594 PULONG UsedBufferSize
);
597 DecodeRun(PUCHAR DataRun
,
598 LONGLONG
*DataRunOffset
,
599 ULONGLONG
*DataRunLength
);
601 ULONG
GetFileNameAttributeLength(PFILENAME_ATTRIBUTE FileNameAttribute
);
604 NtfsDumpDataRuns(PVOID StartOfRun
,
605 ULONGLONG CurrentLCN
);
608 NtfsDumpFileAttributes(PDEVICE_EXTENSION Vcb
,
609 PFILE_RECORD_HEADER FileRecord
);
611 PSTANDARD_INFORMATION
612 GetStandardInformationFromRecord(PDEVICE_EXTENSION Vcb
,
613 PFILE_RECORD_HEADER FileRecord
);
616 GetFileNameFromRecord(PDEVICE_EXTENSION Vcb
,
617 PFILE_RECORD_HEADER FileRecord
,
621 GetPackedByteCount(LONGLONG NumberToPack
,
625 GetLastClusterInDataRun(PDEVICE_EXTENSION Vcb
,
626 PNTFS_ATTR_RECORD Attribute
,
627 PULONGLONG LastCluster
);
630 GetBestFileNameFromRecord(PDEVICE_EXTENSION Vcb
,
631 PFILE_RECORD_HEADER FileRecord
);
634 FindFirstAttribute(PFIND_ATTR_CONTXT Context
,
635 PDEVICE_EXTENSION Vcb
,
636 PFILE_RECORD_HEADER FileRecord
,
637 BOOLEAN OnlyResident
,
638 PNTFS_ATTR_RECORD
* Attribute
);
641 FindNextAttribute(PFIND_ATTR_CONTXT Context
,
642 PNTFS_ATTR_RECORD
* Attribute
);
645 FindCloseAttribute(PFIND_ATTR_CONTXT Context
);
648 FreeClusters(PNTFS_VCB Vcb
,
649 PNTFS_ATTR_CONTEXT AttrContext
,
651 PFILE_RECORD_HEADER FileRecord
,
652 ULONG ClustersToFree
);
657 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject
,
658 IN LONGLONG StartingOffset
,
661 IN OUT PUCHAR Buffer
,
662 IN BOOLEAN Override
);
665 NtfsWriteDisk(IN PDEVICE_OBJECT DeviceObject
,
666 IN LONGLONG StartingOffset
,
669 IN
const PUCHAR Buffer
);
672 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject
,
674 IN ULONG SectorCount
,
676 IN OUT PUCHAR Buffer
,
677 IN BOOLEAN Override
);
680 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject
,
681 IN ULONG ControlCode
,
682 IN PVOID InputBuffer
,
683 IN ULONG InputBufferSize
,
684 IN OUT PVOID OutputBuffer
,
685 IN OUT PULONG OutputBufferSize
,
686 IN BOOLEAN Override
);
692 CompareTreeKeys(PB_TREE_KEY Key1
,
694 BOOLEAN CaseSensitive
);
697 CreateBTreeFromIndex(PDEVICE_EXTENSION Vcb
,
698 PFILE_RECORD_HEADER FileRecordWithIndex
,
699 /*PCWSTR IndexName,*/
700 PNTFS_ATTR_CONTEXT IndexRootContext
,
701 PINDEX_ROOT_ATTRIBUTE IndexRoot
,
705 CreateIndexRootFromBTree(PDEVICE_EXTENSION DeviceExt
,
708 PINDEX_ROOT_ATTRIBUTE
*IndexRoot
,
712 DestroyBTree(PB_TREE Tree
);
715 DestroyBTreeNode(PB_TREE_FILENAME_NODE Node
);
718 DumpBTree(PB_TREE Tree
);
721 DumpBTreeNode(PB_TREE_FILENAME_NODE Node
,
726 GetAllocationOffsetFromVCN(PDEVICE_EXTENSION DeviceExt
,
727 ULONG IndexBufferSize
,
731 NtfsInsertKey(ULONGLONG FileReference
,
732 PFILENAME_ATTRIBUTE FileNameAttribute
,
733 PB_TREE_FILENAME_NODE Node
,
734 BOOLEAN CaseSensitive
);
737 UpdateIndexAllocation(PDEVICE_EXTENSION DeviceExt
,
739 ULONG IndexBufferSize
,
740 PFILE_RECORD_HEADER FileRecord
);
743 UpdateIndexNode(PDEVICE_EXTENSION DeviceExt
,
744 PB_TREE_FILENAME_NODE Node
,
745 ULONG IndexBufferSize
,
746 PNTFS_ATTR_CONTEXT IndexAllocationContext
,
747 PNTFS_ATTR_CONTEXT BitmapContext
);
752 NtfsCleanup(PNTFS_IRP_CONTEXT IrpContext
);
758 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt
,
759 PFILE_OBJECT FileObject
);
762 NtfsClose(PNTFS_IRP_CONTEXT IrpContext
);
768 NtfsCreate(PNTFS_IRP_CONTEXT IrpContext
);
771 NtfsCreateFileRecord(PDEVICE_EXTENSION DeviceExt
,
772 PFILE_OBJECT FileObject
,
773 BOOLEAN CaseSensitive
,
779 NtfsDeviceControl(PNTFS_IRP_CONTEXT IrpContext
);
785 NtfsGetFileSize(PDEVICE_EXTENSION DeviceExt
,
786 PFILE_RECORD_HEADER FileRecord
,
789 PULONGLONG AllocatedSize
);
792 NtfsDirectoryControl(PNTFS_IRP_CONTEXT IrpContext
);
797 DRIVER_DISPATCH NtfsFsdDispatch
;
799 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject
,
806 NtfsAcqLazyWrite(PVOID Context
,
810 NtfsRelLazyWrite(PVOID Context
);
813 NtfsAcqReadAhead(PVOID Context
,
817 NtfsRelReadAhead(PVOID Context
);
819 FAST_IO_CHECK_IF_POSSIBLE NtfsFastIoCheckIfPossible
;
820 FAST_IO_READ NtfsFastIoRead
;
821 FAST_IO_WRITE NtfsFastIoWrite
;
827 NtfsCreateFCB(PCWSTR FileName
,
832 NtfsDestroyFCB(PNTFS_FCB Fcb
);
835 NtfsFCBIsDirectory(PNTFS_FCB Fcb
);
838 NtfsFCBIsReparsePoint(PNTFS_FCB Fcb
);
841 NtfsFCBIsCompressed(PNTFS_FCB Fcb
);
844 NtfsFCBIsRoot(PNTFS_FCB Fcb
);
847 NtfsGrabFCB(PNTFS_VCB Vcb
,
851 NtfsReleaseFCB(PNTFS_VCB Vcb
,
855 NtfsAddFCBToTable(PNTFS_VCB Vcb
,
859 NtfsGrabFCBFromTable(PNTFS_VCB Vcb
,
863 NtfsFCBInitializeCache(PNTFS_VCB Vcb
,
867 NtfsMakeRootFCB(PNTFS_VCB Vcb
);
870 NtfsOpenRootFCB(PNTFS_VCB Vcb
);
873 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb
,
875 PFILE_OBJECT FileObject
);
878 NtfsGetFCBForFile(PNTFS_VCB Vcb
,
879 PNTFS_FCB
*pParentFCB
,
882 BOOLEAN CaseSensitive
);
885 NtfsReadFCBAttribute(PNTFS_VCB Vcb
,
893 NtfsMakeFCBFromDirEntry(PNTFS_VCB Vcb
,
894 PNTFS_FCB DirectoryFCB
,
895 PUNICODE_STRING Name
,
897 PFILE_RECORD_HEADER Record
,
899 PNTFS_FCB
* fileFCB
);
905 NtfsQueryInformation(PNTFS_IRP_CONTEXT IrpContext
);
908 NtfsSetEndOfFile(PNTFS_FCB Fcb
,
909 PFILE_OBJECT FileObject
,
910 PDEVICE_EXTENSION DeviceExt
,
912 BOOLEAN CaseSensitive
,
913 PLARGE_INTEGER NewFileSize
);
916 NtfsSetInformation(PNTFS_IRP_CONTEXT IrpContext
);
921 NtfsFileSystemControl(PNTFS_IRP_CONTEXT IrpContext
);
926 NtfsAddFilenameToDirectory(PDEVICE_EXTENSION DeviceExt
,
927 ULONGLONG DirectoryMftIndex
,
928 ULONGLONG FileReferenceNumber
,
929 PFILENAME_ATTRIBUTE FilenameAttribute
,
930 BOOLEAN CaseSensitive
);
933 AddNewMftEntry(PFILE_RECORD_HEADER FileRecord
,
934 PDEVICE_EXTENSION DeviceExt
,
935 PULONGLONG DestinationIndex
,
939 PrepareAttributeContext(PNTFS_ATTR_RECORD AttrRecord
);
942 ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context
);
945 ReadAttribute(PDEVICE_EXTENSION Vcb
,
946 PNTFS_ATTR_CONTEXT Context
,
952 WriteAttribute(PDEVICE_EXTENSION Vcb
,
953 PNTFS_ATTR_CONTEXT Context
,
957 PULONG LengthWritten
,
958 PFILE_RECORD_HEADER FileRecord
);
961 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord
);
964 InternalSetResidentAttributeLength(PDEVICE_EXTENSION DeviceExt
,
965 PNTFS_ATTR_CONTEXT AttrContext
,
966 PFILE_RECORD_HEADER FileRecord
,
971 MoveAttributes(PDEVICE_EXTENSION DeviceExt
,
972 PNTFS_ATTR_RECORD FirstAttributeToMove
,
973 ULONG FirstAttributeOffset
,
977 SetAttributeDataLength(PFILE_OBJECT FileObject
,
979 PNTFS_ATTR_CONTEXT AttrContext
,
981 PFILE_RECORD_HEADER FileRecord
,
982 PLARGE_INTEGER DataSize
);
985 SetFileRecordEnd(PFILE_RECORD_HEADER FileRecord
,
986 PNTFS_ATTR_RECORD AttrEnd
,
990 SetNonResidentAttributeDataLength(PDEVICE_EXTENSION Vcb
,
991 PNTFS_ATTR_CONTEXT AttrContext
,
993 PFILE_RECORD_HEADER FileRecord
,
994 PLARGE_INTEGER DataSize
);
997 SetResidentAttributeDataLength(PDEVICE_EXTENSION Vcb
,
998 PNTFS_ATTR_CONTEXT AttrContext
,
1000 PFILE_RECORD_HEADER FileRecord
,
1001 PLARGE_INTEGER DataSize
);
1004 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord
);
1007 CompareFileName(PUNICODE_STRING FileName
,
1008 PINDEX_ENTRY_ATTRIBUTE IndexEntry
,
1010 BOOLEAN CaseSensitive
);
1013 ReadFileRecord(PDEVICE_EXTENSION Vcb
,
1015 PFILE_RECORD_HEADER file
);
1018 UpdateIndexEntryFileNameSize(PDEVICE_EXTENSION Vcb
,
1019 PFILE_RECORD_HEADER MftRecord
,
1021 ULONG IndexBlockSize
,
1022 PINDEX_ENTRY_ATTRIBUTE FirstEntry
,
1023 PINDEX_ENTRY_ATTRIBUTE LastEntry
,
1024 PUNICODE_STRING FileName
,
1026 PULONG CurrentEntry
,
1028 ULONGLONG NewDataSize
,
1029 ULONGLONG NewAllocatedSize
,
1030 BOOLEAN CaseSensitive
);
1033 UpdateFileNameRecord(PDEVICE_EXTENSION Vcb
,
1034 ULONGLONG ParentMFTIndex
,
1035 PUNICODE_STRING FileName
,
1037 ULONGLONG NewDataSize
,
1038 ULONGLONG NewAllocationSize
,
1039 BOOLEAN CaseSensitive
);
1042 UpdateFileRecord(PDEVICE_EXTENSION Vcb
,
1044 PFILE_RECORD_HEADER FileRecord
);
1047 FindAttribute(PDEVICE_EXTENSION Vcb
,
1048 PFILE_RECORD_HEADER MftRecord
,
1052 PNTFS_ATTR_CONTEXT
* AttrCtx
,
1056 ReadVCN(PDEVICE_EXTENSION Vcb
,
1057 PFILE_RECORD_HEADER file
,
1058 ATTRIBUTE_TYPE type
,
1064 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb
,
1065 PNTFS_RECORD_HEADER Record
);
1068 AddFixupArray(PDEVICE_EXTENSION Vcb
,
1069 PNTFS_RECORD_HEADER Record
);
1072 ReadLCN(PDEVICE_EXTENSION Vcb
,
1078 EnumerAttribute(PFILE_RECORD_HEADER file
,
1079 PDEVICE_EXTENSION Vcb
,
1080 PDEVICE_OBJECT DeviceObject
);
1083 NtfsLookupFile(PDEVICE_EXTENSION Vcb
,
1084 PUNICODE_STRING PathName
,
1085 BOOLEAN CaseSensitive
,
1086 PFILE_RECORD_HEADER
*FileRecord
,
1087 PULONGLONG MFTIndex
);
1090 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb
,
1091 PUNICODE_STRING PathName
,
1092 BOOLEAN CaseSensitive
,
1093 PFILE_RECORD_HEADER
*FileRecord
,
1094 PULONGLONG MFTIndex
,
1095 ULONGLONG CurrentMFTIndex
);
1098 NtfsDumpFileRecord(PDEVICE_EXTENSION Vcb
,
1099 PFILE_RECORD_HEADER FileRecord
);
1102 NtfsFindFileAt(PDEVICE_EXTENSION Vcb
,
1103 PUNICODE_STRING SearchPattern
,
1105 PFILE_RECORD_HEADER
*FileRecord
,
1106 PULONGLONG MFTIndex
,
1107 ULONGLONG CurrentMFTIndex
,
1108 BOOLEAN CaseSensitive
);
1111 NtfsFindMftRecord(PDEVICE_EXTENSION Vcb
,
1113 PUNICODE_STRING FileName
,
1116 BOOLEAN CaseSensitive
,
1117 ULONGLONG
*OutMFTIndex
);
1122 NtfsIsIrpTopLevel(PIRP Irp
);
1125 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject
,
1129 NtfsGetUserBuffer(PIRP Irp
,
1133 NtfsLockUserBuffer(IN PIRP Irp
,
1135 IN LOCK_OPERATION Operation
);
1139 wstrcmpjoki(PWSTR s1
, PWSTR s2
);
1142 CdfsSwapString(PWCHAR Out
,
1148 NtfsFileFlagsToAttributes(ULONG NtfsAttributes
,
1149 PULONG FileAttributes
);
1155 NtfsRead(PNTFS_IRP_CONTEXT IrpContext
);
1158 NtfsWrite(PNTFS_IRP_CONTEXT IrpContext
);
1164 NtfsAllocateClusters(PDEVICE_EXTENSION DeviceExt
,
1165 ULONG FirstDesiredCluster
,
1166 ULONG DesiredClusters
,
1167 PULONG FirstAssignedCluster
,
1168 PULONG AssignedClusters
);
1171 NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt
);
1174 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext
);
1177 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext
);
1182 DRIVER_INITIALIZE DriverEntry
;
1186 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject
);