ReactOS 0.4.15-dev-8131-g4988de4
attrib.c
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1/*
2 * ReactOS kernel
3 * Copyright (C) 2002,2003 ReactOS Team
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
18 *
19 * COPYRIGHT: See COPYING in the top level directory
20 * PROJECT: ReactOS kernel
21 * FILE: drivers/filesystem/ntfs/attrib.c
22 * PURPOSE: NTFS filesystem driver
23 * PROGRAMMERS: Eric Kohl
24 * Valentin Verkhovsky
25 * Hervé Poussineau (hpoussin@reactos.org)
26 * Pierre Schweitzer (pierre@reactos.org)
27 */
28
29/* INCLUDES *****************************************************************/
30
31#include "ntfs.h"
32#include <ntintsafe.h>
33
34#define NDEBUG
35#include <debug.h>
36
37/* FUNCTIONS ****************************************************************/
38
73 PFILE_RECORD_HEADER FileRecord,
74 PNTFS_ATTR_RECORD AttributeAddress,
76 USHORT NameLength)
77{
78 ULONG AttributeLength;
79 // Calculate the header length
80 ULONG ResidentHeaderLength = FIELD_OFFSET(NTFS_ATTR_RECORD, Resident.Reserved) + sizeof(UCHAR);
81 ULONG FileRecordEnd = AttributeAddress->Length;
82 ULONG NameOffset;
83 ULONG ValueOffset;
84 // We'll start out with 8 bytes of bitmap data
86 ULONG BytesAvailable;
87
88 if (AttributeAddress->Type != AttributeEnd)
89 {
90 DPRINT1("FIXME: Can only add $BITMAP attribute to the end of a file record.\n");
92 }
93
94 NameOffset = ResidentHeaderLength;
95
96 // Calculate ValueOffset, which will be aligned to a 4-byte boundary
97 ValueOffset = ALIGN_UP_BY(NameOffset + (sizeof(WCHAR) * NameLength), VALUE_OFFSET_ALIGNMENT);
98
99 // Calculate length of attribute
100 AttributeLength = ValueOffset + ValueLength;
101 AttributeLength = ALIGN_UP_BY(AttributeLength, ATTR_RECORD_ALIGNMENT);
102
103 // Make sure the file record is large enough for the new attribute
104 BytesAvailable = Vcb->NtfsInfo.BytesPerFileRecord - FileRecord->BytesInUse;
105 if (BytesAvailable < AttributeLength)
106 {
107 DPRINT1("FIXME: Not enough room in file record for index allocation attribute!\n");
109 }
110
111 // Set Attribute fields
112 RtlZeroMemory(AttributeAddress, AttributeLength);
113
114 AttributeAddress->Type = AttributeBitmap;
115 AttributeAddress->Length = AttributeLength;
116 AttributeAddress->NameLength = NameLength;
117 AttributeAddress->NameOffset = NameOffset;
118 AttributeAddress->Instance = FileRecord->NextAttributeNumber++;
119
120 AttributeAddress->Resident.ValueLength = ValueLength;
121 AttributeAddress->Resident.ValueOffset = ValueOffset;
122
123 // Set the name
124 RtlCopyMemory((PCHAR)((ULONG_PTR)AttributeAddress + NameOffset), Name, NameLength * sizeof(WCHAR));
125
126 // move the attribute-end and file-record-end markers to the end of the file record
127 AttributeAddress = (PNTFS_ATTR_RECORD)((ULONG_PTR)AttributeAddress + AttributeAddress->Length);
128 SetFileRecordEnd(FileRecord, AttributeAddress, FileRecordEnd);
129
130 return STATUS_SUCCESS;
131}
132
161 PNTFS_ATTR_RECORD AttributeAddress)
162{
163 ULONG ResidentHeaderLength = FIELD_OFFSET(NTFS_ATTR_RECORD, Resident.Reserved) + sizeof(UCHAR);
164 ULONG FileRecordEnd = AttributeAddress->Length;
165
166 if (AttributeAddress->Type != AttributeEnd)
167 {
168 DPRINT1("FIXME: Can only add $DATA attribute to the end of a file record.\n");
170 }
171
172 AttributeAddress->Type = AttributeData;
173 AttributeAddress->Length = ResidentHeaderLength;
174 AttributeAddress->Length = ALIGN_UP_BY(AttributeAddress->Length, ATTR_RECORD_ALIGNMENT);
175 AttributeAddress->Resident.ValueLength = 0;
176 AttributeAddress->Resident.ValueOffset = ResidentHeaderLength;
177
178 // for unnamed $DATA attributes, NameOffset equals header length
179 AttributeAddress->NameOffset = ResidentHeaderLength;
180 AttributeAddress->Instance = FileRecord->NextAttributeNumber++;
181
182 // move the attribute-end and file-record-end markers to the end of the file record
183 AttributeAddress = (PNTFS_ATTR_RECORD)((ULONG_PTR)AttributeAddress + AttributeAddress->Length);
184 SetFileRecordEnd(FileRecord, AttributeAddress, FileRecordEnd);
185
186 return STATUS_SUCCESS;
187}
188
231 PNTFS_ATTR_RECORD AttributeAddress,
232 PDEVICE_EXTENSION DeviceExt,
234 BOOLEAN CaseSensitive,
235 PULONGLONG ParentMftIndex)
236{
237 ULONG ResidentHeaderLength = FIELD_OFFSET(NTFS_ATTR_RECORD, Resident.Reserved) + sizeof(UCHAR);
238 PFILENAME_ATTRIBUTE FileNameAttribute;
239 LARGE_INTEGER SystemTime;
240 ULONG FileRecordEnd = AttributeAddress->Length;
241 ULONGLONG CurrentMFTIndex = NTFS_FILE_ROOT;
242 UNICODE_STRING Current, Remaining, FilenameNoPath;
244 ULONG FirstEntry;
245
246 if (AttributeAddress->Type != AttributeEnd)
247 {
248 DPRINT1("FIXME: Can only add $FILE_NAME attribute to the end of a file record.\n");
250 }
251
252 AttributeAddress->Type = AttributeFileName;
253 AttributeAddress->Instance = FileRecord->NextAttributeNumber++;
254
255 FileNameAttribute = (PFILENAME_ATTRIBUTE)((LONG_PTR)AttributeAddress + ResidentHeaderLength);
256
257 // set timestamps
258 KeQuerySystemTime(&SystemTime);
259 FileNameAttribute->CreationTime = SystemTime.QuadPart;
260 FileNameAttribute->ChangeTime = SystemTime.QuadPart;
261 FileNameAttribute->LastWriteTime = SystemTime.QuadPart;
262 FileNameAttribute->LastAccessTime = SystemTime.QuadPart;
263
264 // Is this a directory?
265 if(FileRecord->Flags & FRH_DIRECTORY)
266 FileNameAttribute->FileAttributes = NTFS_FILE_TYPE_DIRECTORY;
267 else
268 FileNameAttribute->FileAttributes = NTFS_FILE_TYPE_ARCHIVE;
269
270 // we need to extract the filename from the path
271 DPRINT1("Pathname: %wZ\n", &FileObject->FileName);
272
273 FsRtlDissectName(FileObject->FileName, &Current, &Remaining);
274
275 FilenameNoPath.Buffer = Current.Buffer;
276 FilenameNoPath.MaximumLength = FilenameNoPath.Length = Current.Length;
277
278 while (Current.Length != 0)
279 {
280 DPRINT1("Current: %wZ\n", &Current);
281
282 if (Remaining.Length != 0)
283 {
284 FilenameNoPath.Buffer = Remaining.Buffer;
285 FilenameNoPath.Length = FilenameNoPath.MaximumLength = Remaining.Length;
286 }
287
288 FirstEntry = 0;
289 Status = NtfsFindMftRecord(DeviceExt,
290 CurrentMFTIndex,
291 &Current,
292 &FirstEntry,
293 FALSE,
294 CaseSensitive,
295 &CurrentMFTIndex);
296 if (!NT_SUCCESS(Status))
297 break;
298
299 if (Remaining.Length == 0 )
300 {
301 if (Current.Length != 0)
302 {
303 FilenameNoPath.Buffer = Current.Buffer;
304 FilenameNoPath.Length = FilenameNoPath.MaximumLength = Current.Length;
305 }
306 break;
307 }
308
309 FsRtlDissectName(Remaining, &Current, &Remaining);
310 }
311
312 DPRINT1("MFT Index of parent: %I64u\n", CurrentMFTIndex);
313
314 // set reference to parent directory
315 FileNameAttribute->DirectoryFileReferenceNumber = CurrentMFTIndex;
316 *ParentMftIndex = CurrentMFTIndex;
317
318 DPRINT1("SequenceNumber: 0x%02x\n", FileRecord->SequenceNumber);
319
320 // The highest 2 bytes should be the sequence number, unless the parent happens to be root
321 if (CurrentMFTIndex == NTFS_FILE_ROOT)
322 FileNameAttribute->DirectoryFileReferenceNumber |= (ULONGLONG)NTFS_FILE_ROOT << 48;
323 else
324 FileNameAttribute->DirectoryFileReferenceNumber |= (ULONGLONG)FileRecord->SequenceNumber << 48;
325
326 DPRINT1("FileNameAttribute->DirectoryFileReferenceNumber: 0x%016I64x\n", FileNameAttribute->DirectoryFileReferenceNumber);
327
328 FileNameAttribute->NameLength = FilenameNoPath.Length / sizeof(WCHAR);
329 RtlCopyMemory(FileNameAttribute->Name, FilenameNoPath.Buffer, FilenameNoPath.Length);
330
331 // For now, we're emulating the way Windows behaves when 8.3 name generation is disabled
332 // TODO: add DOS Filename as needed
333 if (!CaseSensitive && RtlIsNameLegalDOS8Dot3(&FilenameNoPath, NULL, NULL))
334 FileNameAttribute->NameType = NTFS_FILE_NAME_WIN32_AND_DOS;
335 else
336 FileNameAttribute->NameType = NTFS_FILE_NAME_POSIX;
337
338 FileRecord->LinkCount++;
339
340 AttributeAddress->Length = ResidentHeaderLength +
341 FIELD_OFFSET(FILENAME_ATTRIBUTE, Name) + FilenameNoPath.Length;
342 AttributeAddress->Length = ALIGN_UP_BY(AttributeAddress->Length, ATTR_RECORD_ALIGNMENT);
343
344 AttributeAddress->Resident.ValueLength = FIELD_OFFSET(FILENAME_ATTRIBUTE, Name) + FilenameNoPath.Length;
345 AttributeAddress->Resident.ValueOffset = ResidentHeaderLength;
346 AttributeAddress->Resident.Flags = RA_INDEXED;
347
348 // move the attribute-end and file-record-end markers to the end of the file record
349 AttributeAddress = (PNTFS_ATTR_RECORD)((ULONG_PTR)AttributeAddress + AttributeAddress->Length);
350 SetFileRecordEnd(FileRecord, AttributeAddress, FileRecordEnd);
351
352 return Status;
353}
354
389 PFILE_RECORD_HEADER FileRecord,
390 PNTFS_ATTR_RECORD AttributeAddress,
391 PCWSTR Name,
392 USHORT NameLength)
393{
394 ULONG RecordLength;
395 ULONG FileRecordEnd;
396 ULONG NameOffset;
397 ULONG DataRunOffset;
398 ULONG BytesAvailable;
399
400 if (AttributeAddress->Type != AttributeEnd)
401 {
402 DPRINT1("FIXME: Can only add $INDEX_ALLOCATION attribute to the end of a file record.\n");
404 }
405
406 // Calculate the name offset
407 NameOffset = FIELD_OFFSET(NTFS_ATTR_RECORD, NonResident.CompressedSize);
408
409 // Calculate the offset to the first data run
410 DataRunOffset = (sizeof(WCHAR) * NameLength) + NameOffset;
411 // The data run offset must be aligned to a 4-byte boundary
412 DataRunOffset = ALIGN_UP_BY(DataRunOffset, DATA_RUN_ALIGNMENT);
413
414 // Calculate the length of the new attribute; the empty data run will consist of a single byte
415 RecordLength = DataRunOffset + 1;
416
417 // The size of the attribute itself must be aligned to an 8 - byte boundary
418 RecordLength = ALIGN_UP_BY(RecordLength, ATTR_RECORD_ALIGNMENT);
419
420 // Back up the last 4-bytes of the file record (even though this value doesn't matter)
421 FileRecordEnd = AttributeAddress->Length;
422
423 // Make sure the file record can contain the new attribute
424 BytesAvailable = Vcb->NtfsInfo.BytesPerFileRecord - FileRecord->BytesInUse;
425 if (BytesAvailable < RecordLength)
426 {
427 DPRINT1("FIXME: Not enough room in file record for index allocation attribute!\n");
429 }
430
431 // Set fields of attribute header
432 RtlZeroMemory(AttributeAddress, RecordLength);
433
434 AttributeAddress->Type = AttributeIndexAllocation;
435 AttributeAddress->Length = RecordLength;
436 AttributeAddress->IsNonResident = TRUE;
437 AttributeAddress->NameLength = NameLength;
438 AttributeAddress->NameOffset = NameOffset;
439 AttributeAddress->Instance = FileRecord->NextAttributeNumber++;
440
441 AttributeAddress->NonResident.MappingPairsOffset = DataRunOffset;
442 AttributeAddress->NonResident.HighestVCN = (LONGLONG)-1;
443
444 // Set the name
445 RtlCopyMemory((PCHAR)((ULONG_PTR)AttributeAddress + NameOffset), Name, NameLength * sizeof(WCHAR));
446
447 // move the attribute-end and file-record-end markers to the end of the file record
448 AttributeAddress = (PNTFS_ATTR_RECORD)((ULONG_PTR)AttributeAddress + AttributeAddress->Length);
449 SetFileRecordEnd(FileRecord, AttributeAddress, FileRecordEnd);
450
451 return STATUS_SUCCESS;
452}
453
496 PFILE_RECORD_HEADER FileRecord,
497 PNTFS_ATTR_RECORD AttributeAddress,
498 PINDEX_ROOT_ATTRIBUTE NewIndexRoot,
499 ULONG RootLength,
500 PCWSTR Name,
501 USHORT NameLength)
502{
503 ULONG AttributeLength;
504 // Calculate the header length
505 ULONG ResidentHeaderLength = FIELD_OFFSET(NTFS_ATTR_RECORD, Resident.Reserved) + sizeof(UCHAR);
506 // Back up the file record's final ULONG (even though it doesn't matter)
507 ULONG FileRecordEnd = AttributeAddress->Length;
508 ULONG NameOffset;
509 ULONG ValueOffset;
510 ULONG BytesAvailable;
511
512 if (AttributeAddress->Type != AttributeEnd)
513 {
514 DPRINT1("FIXME: Can only add $DATA attribute to the end of a file record.\n");
516 }
517
518 NameOffset = ResidentHeaderLength;
519
520 // Calculate ValueOffset, which will be aligned to a 4-byte boundary
521 ValueOffset = ALIGN_UP_BY(NameOffset + (sizeof(WCHAR) * NameLength), VALUE_OFFSET_ALIGNMENT);
522
523 // Calculate length of attribute
524 AttributeLength = ValueOffset + RootLength;
525 AttributeLength = ALIGN_UP_BY(AttributeLength, ATTR_RECORD_ALIGNMENT);
526
527 // Make sure the file record is large enough for the new attribute
528 BytesAvailable = Vcb->NtfsInfo.BytesPerFileRecord - FileRecord->BytesInUse;
529 if (BytesAvailable < AttributeLength)
530 {
531 DPRINT1("FIXME: Not enough room in file record for index allocation attribute!\n");
533 }
534
535 // Set Attribute fields
536 RtlZeroMemory(AttributeAddress, AttributeLength);
537
538 AttributeAddress->Type = AttributeIndexRoot;
539 AttributeAddress->Length = AttributeLength;
540 AttributeAddress->NameLength = NameLength;
541 AttributeAddress->NameOffset = NameOffset;
542 AttributeAddress->Instance = FileRecord->NextAttributeNumber++;
543
544 AttributeAddress->Resident.ValueLength = RootLength;
545 AttributeAddress->Resident.ValueOffset = ValueOffset;
546
547 // Set the name
548 RtlCopyMemory((PCHAR)((ULONG_PTR)AttributeAddress + NameOffset), Name, NameLength * sizeof(WCHAR));
549
550 // Copy the index root attribute
551 RtlCopyMemory((PCHAR)((ULONG_PTR)AttributeAddress + ValueOffset), NewIndexRoot, RootLength);
552
553 // move the attribute-end and file-record-end markers to the end of the file record
554 AttributeAddress = (PNTFS_ATTR_RECORD)((ULONG_PTR)AttributeAddress + AttributeAddress->Length);
555 SetFileRecordEnd(FileRecord, AttributeAddress, FileRecordEnd);
556
557 return STATUS_SUCCESS;
558}
559
600 PNTFS_ATTR_CONTEXT AttrContext,
601 ULONG AttrOffset,
602 PFILE_RECORD_HEADER FileRecord,
603 ULONGLONG NextAssignedCluster,
604 ULONG RunLength)
605{
607 int DataRunMaxLength;
608 PNTFS_ATTR_RECORD DestinationAttribute = (PNTFS_ATTR_RECORD)((ULONG_PTR)FileRecord + AttrOffset);
609 ULONG NextAttributeOffset = AttrOffset + AttrContext->pRecord->Length;
610 ULONGLONG NextVBN = 0;
611
612 PUCHAR RunBuffer;
613 ULONG RunBufferSize;
614
615 if (!AttrContext->pRecord->IsNonResident)
617
618 if (AttrContext->pRecord->NonResident.AllocatedSize != 0)
619 NextVBN = AttrContext->pRecord->NonResident.HighestVCN + 1;
620
621 // Add newly-assigned clusters to mcb
623 {
624 if (!FsRtlAddLargeMcbEntry(&AttrContext->DataRunsMCB,
625 NextVBN,
626 NextAssignedCluster,
627 RunLength))
628 {
630 }
631 }
633 {
634 DPRINT1("Failed to add LargeMcb Entry!\n");
636 }
637 _SEH2_END;
638
639 RunBuffer = ExAllocatePoolWithTag(NonPagedPool, Vcb->NtfsInfo.BytesPerFileRecord, TAG_NTFS);
640 if (!RunBuffer)
641 {
642 DPRINT1("ERROR: Couldn't allocate memory for data runs!\n");
644 }
645
646 // Convert the map control block back to encoded data runs
647 ConvertLargeMCBToDataRuns(&AttrContext->DataRunsMCB, RunBuffer, Vcb->NtfsInfo.BytesPerCluster, &RunBufferSize);
648
649 // Get the amount of free space between the start of the of the first data run and the attribute end
650 DataRunMaxLength = AttrContext->pRecord->Length - AttrContext->pRecord->NonResident.MappingPairsOffset;
651
652 // Do we need to extend the attribute (or convert to attribute list)?
653 if (DataRunMaxLength < RunBufferSize)
654 {
655 PNTFS_ATTR_RECORD NextAttribute = (PNTFS_ATTR_RECORD)((ULONG_PTR)FileRecord + NextAttributeOffset);
656 PNTFS_ATTR_RECORD NewRecord;
657
658 // Add free space at the end of the file record to DataRunMaxLength
659 DataRunMaxLength += Vcb->NtfsInfo.BytesPerFileRecord - FileRecord->BytesInUse;
660
661 // Can we resize the attribute?
662 if (DataRunMaxLength < RunBufferSize)
663 {
664 DPRINT1("FIXME: Need to create attribute list! Max Data Run Length available: %d, RunBufferSize: %d\n", DataRunMaxLength, RunBufferSize);
665 ExFreePoolWithTag(RunBuffer, TAG_NTFS);
667 }
668
669 // Are there more attributes after the one we're resizing?
670 if (NextAttribute->Type != AttributeEnd)
671 {
672 PNTFS_ATTR_RECORD FinalAttribute;
673
674 // Calculate where to move the trailing attributes
675 ULONG_PTR MoveTo = (ULONG_PTR)DestinationAttribute + AttrContext->pRecord->NonResident.MappingPairsOffset + RunBufferSize;
676 MoveTo = ALIGN_UP_BY(MoveTo, ATTR_RECORD_ALIGNMENT);
677
678 DPRINT1("Moving attribute(s) after this one starting with type 0x%lx\n", NextAttribute->Type);
679
680 // Move the trailing attributes; FinalAttribute will point to the end marker
681 FinalAttribute = MoveAttributes(Vcb, NextAttribute, NextAttributeOffset, MoveTo);
682
683 // set the file record end
684 SetFileRecordEnd(FileRecord, FinalAttribute, FILE_RECORD_END);
685 }
686
687 // calculate position of end markers
688 NextAttributeOffset = AttrOffset + AttrContext->pRecord->NonResident.MappingPairsOffset + RunBufferSize;
689 NextAttributeOffset = ALIGN_UP_BY(NextAttributeOffset, ATTR_RECORD_ALIGNMENT);
690
691 // Update the length of the destination attribute
692 DestinationAttribute->Length = NextAttributeOffset - AttrOffset;
693
694 // Create a new copy of the attribute record
695 NewRecord = ExAllocatePoolWithTag(NonPagedPool, DestinationAttribute->Length, TAG_NTFS);
696 RtlCopyMemory(NewRecord, AttrContext->pRecord, AttrContext->pRecord->Length);
697 NewRecord->Length = DestinationAttribute->Length;
698
699 // Free the old copy of the attribute record, which won't be large enough
700 ExFreePoolWithTag(AttrContext->pRecord, TAG_NTFS);
701
702 // Set the attribute context's record to the new copy
703 AttrContext->pRecord = NewRecord;
704
705 // if NextAttribute is the AttributeEnd marker
706 if (NextAttribute->Type == AttributeEnd)
707 {
708 // End the file record
709 NextAttribute = (PNTFS_ATTR_RECORD)((ULONG_PTR)FileRecord + NextAttributeOffset);
710 SetFileRecordEnd(FileRecord, NextAttribute, FILE_RECORD_END);
711 }
712 }
713
714 // Update HighestVCN
715 DestinationAttribute->NonResident.HighestVCN =
716 AttrContext->pRecord->NonResident.HighestVCN = max(NextVBN - 1 + RunLength,
717 AttrContext->pRecord->NonResident.HighestVCN);
718
719 // Write data runs to destination attribute
720 RtlCopyMemory((PVOID)((ULONG_PTR)DestinationAttribute + DestinationAttribute->NonResident.MappingPairsOffset),
721 RunBuffer,
722 RunBufferSize);
723
724 // Update the attribute record in the attribute context
725 RtlCopyMemory((PVOID)((ULONG_PTR)AttrContext->pRecord + AttrContext->pRecord->NonResident.MappingPairsOffset),
726 RunBuffer,
727 RunBufferSize);
728
729 // Update the file record
730 Status = UpdateFileRecord(Vcb, AttrContext->FileMFTIndex, FileRecord);
731
732 ExFreePoolWithTag(RunBuffer, TAG_NTFS);
733
734 NtfsDumpDataRuns((PUCHAR)((ULONG_PTR)DestinationAttribute + DestinationAttribute->NonResident.MappingPairsOffset), 0);
735
736 return Status;
737}
738
767 PNTFS_ATTR_RECORD AttributeAddress)
768{
769 ULONG ResidentHeaderLength = FIELD_OFFSET(NTFS_ATTR_RECORD, Resident.Reserved) + sizeof(UCHAR);
770 PSTANDARD_INFORMATION StandardInfo = (PSTANDARD_INFORMATION)((LONG_PTR)AttributeAddress + ResidentHeaderLength);
771 LARGE_INTEGER SystemTime;
772 ULONG FileRecordEnd = AttributeAddress->Length;
773
774 if (AttributeAddress->Type != AttributeEnd)
775 {
776 DPRINT1("FIXME: Can only add $STANDARD_INFORMATION attribute to the end of a file record.\n");
778 }
779
780 AttributeAddress->Type = AttributeStandardInformation;
781 AttributeAddress->Length = sizeof(STANDARD_INFORMATION) + ResidentHeaderLength;
782 AttributeAddress->Length = ALIGN_UP_BY(AttributeAddress->Length, ATTR_RECORD_ALIGNMENT);
783 AttributeAddress->Resident.ValueLength = sizeof(STANDARD_INFORMATION);
784 AttributeAddress->Resident.ValueOffset = ResidentHeaderLength;
785 AttributeAddress->Instance = FileRecord->NextAttributeNumber++;
786
787 // set dates and times
788 KeQuerySystemTime(&SystemTime);
789 StandardInfo->CreationTime = SystemTime.QuadPart;
790 StandardInfo->ChangeTime = SystemTime.QuadPart;
791 StandardInfo->LastWriteTime = SystemTime.QuadPart;
792 StandardInfo->LastAccessTime = SystemTime.QuadPart;
794
795 // move the attribute-end and file-record-end markers to the end of the file record
796 AttributeAddress = (PNTFS_ATTR_RECORD)((ULONG_PTR)AttributeAddress + AttributeAddress->Length);
797 SetFileRecordEnd(FileRecord, AttributeAddress, FileRecordEnd);
798
799 return STATUS_SUCCESS;
800}
801
826 PLARGE_MCB DataRunsMCB,
827 PULONGLONG pNextVBN)
828{
829 LONGLONG DataRunOffset;
830 ULONGLONG DataRunLength;
831 LONGLONG DataRunStartLCN;
832 ULONGLONG LastLCN = 0;
833
834 // Initialize the MCB, potentially catch an exception
835 _SEH2_TRY{
839 } _SEH2_END;
840
841 while (*DataRun != 0)
842 {
843 DataRun = DecodeRun(DataRun, &DataRunOffset, &DataRunLength);
844
845 if (DataRunOffset != -1)
846 {
847 // Normal data run.
848 DataRunStartLCN = LastLCN + DataRunOffset;
849 LastLCN = DataRunStartLCN;
850
851 _SEH2_TRY{
852 if (!FsRtlAddLargeMcbEntry(DataRunsMCB,
853 *pNextVBN,
854 DataRunStartLCN,
855 DataRunLength))
856 {
858 }
860 FsRtlUninitializeLargeMcb(DataRunsMCB);
862 } _SEH2_END;
863
864 }
865
866 *pNextVBN += DataRunLength;
867 }
868
869 return STATUS_SUCCESS;
870}
871
897 PUCHAR RunBuffer,
898 ULONG MaxBufferSize,
899 PULONG UsedBufferSize)
900{
902 ULONG RunBufferOffset = 0;
903 LONGLONG DataRunOffset;
904 ULONGLONG LastLCN = 0;
906 ULONG i;
907
908
909 DPRINT("\t[Vbn, Lbn, Count]\n");
910
911 // convert each mcb entry to a data run
912 for (i = 0; FsRtlGetNextLargeMcbEntry(DataRunsMCB, i, &Vbn, &Lbn, &Count); i++)
913 {
914 UCHAR DataRunOffsetSize = 0;
915 UCHAR DataRunLengthSize = 0;
916 UCHAR ControlByte = 0;
917
918 // [vbn, lbn, count]
919 DPRINT("\t[%I64d, %I64d,%I64d]\n", Vbn, Lbn, Count);
920
921 // TODO: check for holes and convert to sparse runs
922 DataRunOffset = Lbn - LastLCN;
923 LastLCN = Lbn;
924
925 // now we need to determine how to represent DataRunOffset with the minimum number of bytes
926 DPRINT("Determining how many bytes needed to represent %I64x\n", DataRunOffset);
927 DataRunOffsetSize = GetPackedByteCount(DataRunOffset, TRUE);
928 DPRINT("%d bytes needed.\n", DataRunOffsetSize);
929
930 // determine how to represent DataRunLengthSize with the minimum number of bytes
931 DPRINT("Determining how many bytes needed to represent %I64x\n", Count);
932 DataRunLengthSize = GetPackedByteCount(Count, TRUE);
933 DPRINT("%d bytes needed.\n", DataRunLengthSize);
934
935 // ensure the next data run + end marker would be <= Max buffer size
936 if (RunBufferOffset + 2 + DataRunLengthSize + DataRunOffsetSize > MaxBufferSize)
937 {
939 DPRINT1("FIXME: Ran out of room in buffer for data runs!\n");
940 break;
941 }
942
943 // pack and copy the control byte
944 ControlByte = (DataRunOffsetSize << 4) + DataRunLengthSize;
945 RunBuffer[RunBufferOffset++] = ControlByte;
946
947 // copy DataRunLength
948 RtlCopyMemory(RunBuffer + RunBufferOffset, &Count, DataRunLengthSize);
949 RunBufferOffset += DataRunLengthSize;
950
951 // copy DataRunOffset
952 RtlCopyMemory(RunBuffer + RunBufferOffset, &DataRunOffset, DataRunOffsetSize);
953 RunBufferOffset += DataRunOffsetSize;
954 }
955
956 // End of data runs
957 RunBuffer[RunBufferOffset++] = 0;
958
959 *UsedBufferSize = RunBufferOffset;
960 DPRINT("New Size of DataRuns: %ld\n", *UsedBufferSize);
961
962 return Status;
963}
964
965PUCHAR
967 LONGLONG *DataRunOffset,
968 ULONGLONG *DataRunLength)
969{
970 UCHAR DataRunOffsetSize;
971 UCHAR DataRunLengthSize;
972 CHAR i;
973
974 DataRunOffsetSize = (*DataRun >> 4) & 0xF;
975 DataRunLengthSize = *DataRun & 0xF;
976 *DataRunOffset = 0;
977 *DataRunLength = 0;
978 DataRun++;
979 for (i = 0; i < DataRunLengthSize; i++)
980 {
981 *DataRunLength += ((ULONG64)*DataRun) << (i * 8);
982 DataRun++;
983 }
984
985 /* NTFS 3+ sparse files */
986 if (DataRunOffsetSize == 0)
987 {
988 *DataRunOffset = -1;
989 }
990 else
991 {
992 for (i = 0; i < DataRunOffsetSize - 1; i++)
993 {
994 *DataRunOffset += ((ULONG64)*DataRun) << (i * 8);
995 DataRun++;
996 }
997 /* The last byte contains sign so we must process it different way. */
998 *DataRunOffset = ((LONG64)(CHAR)(*(DataRun++)) << (i * 8)) + *DataRunOffset;
999 }
1000
1001 DPRINT("DataRunOffsetSize: %x\n", DataRunOffsetSize);
1002 DPRINT("DataRunLengthSize: %x\n", DataRunLengthSize);
1003 DPRINT("DataRunOffset: %x\n", *DataRunOffset);
1004 DPRINT("DataRunLength: %x\n", *DataRunLength);
1005
1006 return DataRun;
1007}
1008
1009BOOLEAN
1011 ULONGLONG vcn,
1012 PULONGLONG lcn,
1014{
1015 if (vcn < NresAttr->NonResident.LowestVCN || vcn > NresAttr->NonResident.HighestVCN)
1016 return FALSE;
1017
1018 DecodeRun((PUCHAR)((ULONG_PTR)NresAttr + NresAttr->NonResident.MappingPairsOffset), (PLONGLONG)lcn, count);
1019
1020 return TRUE;
1021}
1022
1058 PNTFS_ATTR_CONTEXT AttrContext,
1059 ULONG AttrOffset,
1060 PFILE_RECORD_HEADER FileRecord,
1061 ULONG ClustersToFree)
1062{
1064 ULONG ClustersLeftToFree = ClustersToFree;
1065
1066 PNTFS_ATTR_RECORD DestinationAttribute = (PNTFS_ATTR_RECORD)((ULONG_PTR)FileRecord + AttrOffset);
1067 ULONG NextAttributeOffset = AttrOffset + AttrContext->pRecord->Length;
1068 PNTFS_ATTR_RECORD NextAttribute = (PNTFS_ATTR_RECORD)((ULONG_PTR)FileRecord + NextAttributeOffset);
1069
1070 PUCHAR RunBuffer;
1071 ULONG RunBufferSize = 0;
1072
1073 PFILE_RECORD_HEADER BitmapRecord;
1074 PNTFS_ATTR_CONTEXT DataContext;
1075 ULONGLONG BitmapDataSize;
1078 ULONG LengthWritten;
1079
1080 if (!AttrContext->pRecord->IsNonResident)
1081 {
1083 }
1084
1085 // Read the $Bitmap file
1086 BitmapRecord = ExAllocateFromNPagedLookasideList(&Vcb->FileRecLookasideList);
1087 if (BitmapRecord == NULL)
1088 {
1089 DPRINT1("Error: Unable to allocate memory for bitmap file record!\n");
1090 return STATUS_NO_MEMORY;
1091 }
1092
1093 Status = ReadFileRecord(Vcb, NTFS_FILE_BITMAP, BitmapRecord);
1094 if (!NT_SUCCESS(Status))
1095 {
1096 DPRINT1("Error: Unable to read file record for bitmap!\n");
1097 ExFreeToNPagedLookasideList(&Vcb->FileRecLookasideList, BitmapRecord);
1098 return 0;
1099 }
1100
1101 Status = FindAttribute(Vcb, BitmapRecord, AttributeData, L"", 0, &DataContext, NULL);
1102 if (!NT_SUCCESS(Status))
1103 {
1104 DPRINT1("Error: Unable to find data attribute for bitmap file!\n");
1105 ExFreeToNPagedLookasideList(&Vcb->FileRecLookasideList, BitmapRecord);
1106 return 0;
1107 }
1108
1109 BitmapDataSize = AttributeDataLength(DataContext->pRecord);
1110 BitmapDataSize = min(BitmapDataSize, ULONG_MAX);
1111 ASSERT((BitmapDataSize * 8) >= Vcb->NtfsInfo.ClusterCount);
1112 BitmapData = ExAllocatePoolWithTag(NonPagedPool, ROUND_UP(BitmapDataSize, Vcb->NtfsInfo.BytesPerSector), TAG_NTFS);
1113 if (BitmapData == NULL)
1114 {
1115 DPRINT1("Error: Unable to allocate memory for bitmap file data!\n");
1116 ReleaseAttributeContext(DataContext);
1117 ExFreeToNPagedLookasideList(&Vcb->FileRecLookasideList, BitmapRecord);
1118 return 0;
1119 }
1120
1121 ReadAttribute(Vcb, DataContext, 0, (PCHAR)BitmapData, (ULONG)BitmapDataSize);
1122
1123 RtlInitializeBitMap(&Bitmap, (PULONG)BitmapData, Vcb->NtfsInfo.ClusterCount);
1124
1125 // free clusters in $BITMAP file
1126 while (ClustersLeftToFree > 0)
1127 {
1129
1130 if (!FsRtlLookupLastLargeMcbEntry(&AttrContext->DataRunsMCB, &LargeVbn, &LargeLbn))
1131 {
1133 DPRINT1("DRIVER ERROR: FreeClusters called to free %lu clusters, which is %lu more clusters than are assigned to attribute!",
1134 ClustersToFree,
1135 ClustersLeftToFree);
1136 break;
1137 }
1138
1139 if (LargeLbn != -1)
1140 {
1141 // deallocate this cluster
1143 }
1144 FsRtlTruncateLargeMcb(&AttrContext->DataRunsMCB, AttrContext->pRecord->NonResident.HighestVCN);
1145
1146 // decrement HighestVCN, but don't let it go below 0
1147 AttrContext->pRecord->NonResident.HighestVCN = min(AttrContext->pRecord->NonResident.HighestVCN, AttrContext->pRecord->NonResident.HighestVCN - 1);
1148 ClustersLeftToFree--;
1149 }
1150
1151 // update $BITMAP file on disk
1152 Status = WriteAttribute(Vcb, DataContext, 0, BitmapData, (ULONG)BitmapDataSize, &LengthWritten, FileRecord);
1153 if (!NT_SUCCESS(Status))
1154 {
1155 ReleaseAttributeContext(DataContext);
1157 ExFreeToNPagedLookasideList(&Vcb->FileRecLookasideList, BitmapRecord);
1158 return Status;
1159 }
1160
1161 ReleaseAttributeContext(DataContext);
1163 ExFreeToNPagedLookasideList(&Vcb->FileRecLookasideList, BitmapRecord);
1164
1165 // Save updated data runs to file record
1166
1167 // Allocate some memory for a new RunBuffer
1168 RunBuffer = ExAllocatePoolWithTag(NonPagedPool, Vcb->NtfsInfo.BytesPerFileRecord, TAG_NTFS);
1169 if (!RunBuffer)
1170 {
1171 DPRINT1("ERROR: Couldn't allocate memory for data runs!\n");
1173 }
1174
1175 // Convert the map control block back to encoded data runs
1176 ConvertLargeMCBToDataRuns(&AttrContext->DataRunsMCB, RunBuffer, Vcb->NtfsInfo.BytesPerCluster, &RunBufferSize);
1177
1178 // Update HighestVCN
1179 DestinationAttribute->NonResident.HighestVCN = AttrContext->pRecord->NonResident.HighestVCN;
1180
1181 // Write data runs to destination attribute
1182 RtlCopyMemory((PVOID)((ULONG_PTR)DestinationAttribute + DestinationAttribute->NonResident.MappingPairsOffset),
1183 RunBuffer,
1184 RunBufferSize);
1185
1186 // Is DestinationAttribute the last attribute in the file record?
1187 if (NextAttribute->Type == AttributeEnd)
1188 {
1189 // update attribute length
1190 DestinationAttribute->Length = ALIGN_UP_BY(AttrContext->pRecord->NonResident.MappingPairsOffset + RunBufferSize,
1192
1193 ASSERT(DestinationAttribute->Length <= AttrContext->pRecord->Length);
1194
1195 AttrContext->pRecord->Length = DestinationAttribute->Length;
1196
1197 // write end markers
1198 NextAttribute = (PNTFS_ATTR_RECORD)((ULONG_PTR)DestinationAttribute + DestinationAttribute->Length);
1199 SetFileRecordEnd(FileRecord, NextAttribute, FILE_RECORD_END);
1200 }
1201
1202 // Update the file record
1203 Status = UpdateFileRecord(Vcb, AttrContext->FileMFTIndex, FileRecord);
1204
1205 ExFreePoolWithTag(RunBuffer, TAG_NTFS);
1206
1207 NtfsDumpDataRuns((PUCHAR)((ULONG_PTR)DestinationAttribute + DestinationAttribute->NonResident.MappingPairsOffset), 0);
1208
1209 return Status;
1210}
1211
1212static
1215{
1216 ULONGLONG ListSize;
1217 PNTFS_ATTR_RECORD Attribute;
1218 PNTFS_ATTR_CONTEXT ListContext;
1219
1220 DPRINT("InternalReadNonResidentAttributes(%p)\n", Context);
1221
1222 Attribute = Context->CurrAttr;
1223 ASSERT(Attribute->Type == AttributeAttributeList);
1224
1225 if (Context->OnlyResident)
1226 {
1227 Context->NonResidentStart = NULL;
1228 Context->NonResidentEnd = NULL;
1229 return STATUS_SUCCESS;
1230 }
1231
1232 if (Context->NonResidentStart != NULL)
1233 {
1235 }
1236
1237 ListContext = PrepareAttributeContext(Attribute);
1238 ListSize = AttributeDataLength(ListContext->pRecord);
1239 if (ListSize > 0xFFFFFFFF)
1240 {
1241 ReleaseAttributeContext(ListContext);
1243 }
1244
1245 Context->NonResidentStart = ExAllocatePoolWithTag(NonPagedPool, (ULONG)ListSize, TAG_NTFS);
1246 if (Context->NonResidentStart == NULL)
1247 {
1248 ReleaseAttributeContext(ListContext);
1250 }
1251
1252 if (ReadAttribute(Context->Vcb, ListContext, 0, (PCHAR)Context->NonResidentStart, (ULONG)ListSize) != ListSize)
1253 {
1254 ExFreePoolWithTag(Context->NonResidentStart, TAG_NTFS);
1255 Context->NonResidentStart = NULL;
1256 ReleaseAttributeContext(ListContext);
1258 }
1259
1260 ReleaseAttributeContext(ListContext);
1261 Context->NonResidentEnd = (PNTFS_ATTRIBUTE_LIST_ITEM)((PCHAR)Context->NonResidentStart + ListSize);
1262 return STATUS_SUCCESS;
1263}
1264
1265static
1268{
1270
1271 if (Context->NonResidentCur == (PVOID)-1)
1272 {
1273 return NULL;
1274 }
1275
1276 if (Context->NonResidentCur == NULL || Context->NonResidentCur->Type == AttributeEnd)
1277 {
1278 Context->NonResidentCur = (PVOID)-1;
1279 return NULL;
1280 }
1281
1282 if (Context->NonResidentCur->Length == 0)
1283 {
1284 DPRINT1("Broken length list entry length !");
1285 Context->NonResidentCur = (PVOID)-1;
1286 return NULL;
1287 }
1288
1289 NextItem = (PNTFS_ATTRIBUTE_LIST_ITEM)((PCHAR)Context->NonResidentCur + Context->NonResidentCur->Length);
1290 if (NextItem->Length == 0 || NextItem->Type == AttributeEnd)
1291 {
1292 Context->NonResidentCur = (PVOID)-1;
1293 return NULL;
1294 }
1295
1296 if (NextItem < Context->NonResidentStart || NextItem > Context->NonResidentEnd)
1297 {
1298 Context->NonResidentCur = (PVOID)-1;
1299 return NULL;
1300 }
1301
1302 Context->NonResidentCur = NextItem;
1303 return NextItem;
1304}
1305
1309{
1310 if (Context->NonResidentStart == NULL || Context->NonResidentStart->Type == AttributeEnd)
1311 {
1312 return STATUS_UNSUCCESSFUL;
1313 }
1314
1315 Context->NonResidentCur = Context->NonResidentStart;
1316 *Item = Context->NonResidentCur;
1317 return STATUS_SUCCESS;
1318}
1319
1323{
1325 if (*Item == NULL)
1326 {
1327 return STATUS_UNSUCCESSFUL;
1328 }
1329 return STATUS_SUCCESS;
1330}
1331
1332static
1335{
1336 PNTFS_ATTR_RECORD NextAttribute;
1337
1338 if (Context->CurrAttr == (PVOID)-1)
1339 {
1340 return NULL;
1341 }
1342
1343 if (Context->CurrAttr >= Context->FirstAttr &&
1344 Context->CurrAttr < Context->LastAttr)
1345 {
1346 if (Context->CurrAttr->Length == 0)
1347 {
1348 DPRINT1("Broken length!\n");
1349 Context->CurrAttr = (PVOID)-1;
1350 return NULL;
1351 }
1352
1353 NextAttribute = (PNTFS_ATTR_RECORD)((ULONG_PTR)Context->CurrAttr + Context->CurrAttr->Length);
1354
1355 if (NextAttribute > Context->LastAttr || NextAttribute < Context->FirstAttr)
1356 {
1357 DPRINT1("Broken length: 0x%lx!\n", Context->CurrAttr->Length);
1358 Context->CurrAttr = (PVOID)-1;
1359 return NULL;
1360 }
1361
1362 Context->Offset += ((ULONG_PTR)NextAttribute - (ULONG_PTR)Context->CurrAttr);
1363 Context->CurrAttr = NextAttribute;
1364
1365 if (Context->CurrAttr < Context->LastAttr &&
1366 Context->CurrAttr->Type != AttributeEnd)
1367 {
1368 return Context->CurrAttr;
1369 }
1370 }
1371
1372 if (Context->NonResidentStart == NULL)
1373 {
1374 Context->CurrAttr = (PVOID)-1;
1375 return NULL;
1376 }
1377
1378 Context->CurrAttr = (PVOID)-1;
1379 return NULL;
1380}
1381
1385 PFILE_RECORD_HEADER FileRecord,
1386 BOOLEAN OnlyResident,
1387 PNTFS_ATTR_RECORD * Attribute)
1388{
1390
1391 DPRINT("FindFistAttribute(%p, %p, %p, %p, %u, %p)\n", Context, Vcb, FileRecord, OnlyResident, Attribute);
1392
1393 Context->Vcb = Vcb;
1394 Context->OnlyResident = OnlyResident;
1395 Context->FirstAttr = (PNTFS_ATTR_RECORD)((ULONG_PTR)FileRecord + FileRecord->AttributeOffset);
1396 Context->CurrAttr = Context->FirstAttr;
1397 Context->LastAttr = (PNTFS_ATTR_RECORD)((ULONG_PTR)FileRecord + FileRecord->BytesInUse);
1398 Context->NonResidentStart = NULL;
1399 Context->NonResidentEnd = NULL;
1400 Context->Offset = FileRecord->AttributeOffset;
1401
1402 if (Context->FirstAttr->Type == AttributeEnd)
1403 {
1404 Context->CurrAttr = (PVOID)-1;
1405 return STATUS_END_OF_FILE;
1406 }
1407 else if (Context->FirstAttr->Type == AttributeAttributeList)
1408 {
1410 if (!NT_SUCCESS(Status))
1411 {
1412 return Status;
1413 }
1414
1415 *Attribute = InternalGetNextAttribute(Context);
1416 if (*Attribute == NULL)
1417 {
1418 return STATUS_END_OF_FILE;
1419 }
1420 }
1421 else
1422 {
1423 *Attribute = Context->CurrAttr;
1424 Context->Offset = (UCHAR*)Context->CurrAttr - (UCHAR*)FileRecord;
1425 }
1426
1427 return STATUS_SUCCESS;
1428}
1429
1432 PNTFS_ATTR_RECORD * Attribute)
1433{
1435
1436 DPRINT("FindNextAttribute(%p, %p)\n", Context, Attribute);
1437
1438 *Attribute = InternalGetNextAttribute(Context);
1439 if (*Attribute == NULL)
1440 {
1441 return STATUS_END_OF_FILE;
1442 }
1443
1444 if (Context->CurrAttr->Type != AttributeAttributeList)
1445 {
1446 return STATUS_SUCCESS;
1447 }
1448
1450 if (!NT_SUCCESS(Status))
1451 {
1452 return Status;
1453 }
1454
1455 *Attribute = InternalGetNextAttribute(Context);
1456 if (*Attribute == NULL)
1457 {
1458 return STATUS_END_OF_FILE;
1459 }
1460
1461 return STATUS_SUCCESS;
1462}
1463
1464VOID
1466{
1467 if (Context->NonResidentStart != NULL)
1468 {
1469 ExFreePoolWithTag(Context->NonResidentStart, TAG_NTFS);
1470 Context->NonResidentStart = NULL;
1471 }
1472}
1473
1474static
1475VOID
1477{
1478 PFILENAME_ATTRIBUTE FileNameAttr;
1479
1480 DbgPrint(" $FILE_NAME ");
1481
1482// DbgPrint(" Length %lu Offset %hu ", Attribute->Resident.ValueLength, Attribute->Resident.ValueOffset);
1483
1484 FileNameAttr = (PFILENAME_ATTRIBUTE)((ULONG_PTR)Attribute + Attribute->Resident.ValueOffset);
1485 DbgPrint(" (%x) '%.*S' ", FileNameAttr->NameType, FileNameAttr->NameLength, FileNameAttr->Name);
1486 DbgPrint(" '%x' \n", FileNameAttr->FileAttributes);
1487 DbgPrint(" AllocatedSize: %I64u\nDataSize: %I64u\n", FileNameAttr->AllocatedSize, FileNameAttr->DataSize);
1488 DbgPrint(" File reference: 0x%016I64x\n", FileNameAttr->DirectoryFileReferenceNumber);
1489}
1490
1491
1492static
1493VOID
1495{
1496 PSTANDARD_INFORMATION StandardInfoAttr;
1497
1498 DbgPrint(" $STANDARD_INFORMATION ");
1499
1500// DbgPrint(" Length %lu Offset %hu ", Attribute->Resident.ValueLength, Attribute->Resident.ValueOffset);
1501
1502 StandardInfoAttr = (PSTANDARD_INFORMATION)((ULONG_PTR)Attribute + Attribute->Resident.ValueOffset);
1503 DbgPrint(" '%x' ", StandardInfoAttr->FileAttribute);
1504}
1505
1506
1507static
1508VOID
1510{
1512
1513 DbgPrint(" $VOLUME_NAME ");
1514
1515// DbgPrint(" Length %lu Offset %hu ", Attribute->Resident.ValueLength, Attribute->Resident.ValueOffset);
1516
1517 VolumeName = (PWCHAR)((ULONG_PTR)Attribute + Attribute->Resident.ValueOffset);
1518 DbgPrint(" '%.*S' ", Attribute->Resident.ValueLength / sizeof(WCHAR), VolumeName);
1519}
1520
1521
1522static
1523VOID
1525{
1526 PVOLINFO_ATTRIBUTE VolInfoAttr;
1527
1528 DbgPrint(" $VOLUME_INFORMATION ");
1529
1530// DbgPrint(" Length %lu Offset %hu ", Attribute->Resident.ValueLength, Attribute->Resident.ValueOffset);
1531
1532 VolInfoAttr = (PVOLINFO_ATTRIBUTE)((ULONG_PTR)Attribute + Attribute->Resident.ValueOffset);
1533 DbgPrint(" NTFS Version %u.%u Flags 0x%04hx ",
1534 VolInfoAttr->MajorVersion,
1535 VolInfoAttr->MinorVersion,
1536 VolInfoAttr->Flags);
1537}
1538
1539
1540static
1541VOID
1543{
1544 PINDEX_ROOT_ATTRIBUTE IndexRootAttr;
1545 ULONG CurrentOffset;
1546 ULONG CurrentNode;
1547
1548 IndexRootAttr = (PINDEX_ROOT_ATTRIBUTE)((ULONG_PTR)Attribute + Attribute->Resident.ValueOffset);
1549
1550 if (IndexRootAttr->AttributeType == AttributeFileName)
1551 ASSERT(IndexRootAttr->CollationRule == COLLATION_FILE_NAME);
1552
1553 DbgPrint(" $INDEX_ROOT (%u bytes per index record, %u clusters) ", IndexRootAttr->SizeOfEntry, IndexRootAttr->ClustersPerIndexRecord);
1554
1555 if (IndexRootAttr->Header.Flags == INDEX_ROOT_SMALL)
1556 {
1557 DbgPrint(" (small)\n");
1558 }
1559 else
1560 {
1561 ASSERT(IndexRootAttr->Header.Flags == INDEX_ROOT_LARGE);
1562 DbgPrint(" (large)\n");
1563 }
1564
1565 DbgPrint(" Offset to first index: 0x%lx\n Total size of index entries: 0x%lx\n Allocated size of node: 0x%lx\n",
1566 IndexRootAttr->Header.FirstEntryOffset,
1567 IndexRootAttr->Header.TotalSizeOfEntries,
1568 IndexRootAttr->Header.AllocatedSize);
1569 CurrentOffset = IndexRootAttr->Header.FirstEntryOffset;
1570 CurrentNode = 0;
1571 // print details of every node in the index
1572 while (CurrentOffset < IndexRootAttr->Header.TotalSizeOfEntries)
1573 {
1574 PINDEX_ENTRY_ATTRIBUTE currentIndexExtry = (PINDEX_ENTRY_ATTRIBUTE)((ULONG_PTR)IndexRootAttr + 0x10 + CurrentOffset);
1575 DbgPrint(" Index Node Entry %lu", CurrentNode++);
1576 if (BooleanFlagOn(currentIndexExtry->Flags, NTFS_INDEX_ENTRY_NODE))
1577 DbgPrint(" (Branch)");
1578 else
1579 DbgPrint(" (Leaf)");
1580 if (BooleanFlagOn(currentIndexExtry->Flags, NTFS_INDEX_ENTRY_END))
1581 {
1582 DbgPrint(" (Dummy Key)");
1583 }
1584 DbgPrint("\n File Reference: 0x%016I64x\n", currentIndexExtry->Data.Directory.IndexedFile);
1585 DbgPrint(" Index Entry Length: 0x%x\n", currentIndexExtry->Length);
1586 DbgPrint(" Index Key Length: 0x%x\n", currentIndexExtry->KeyLength);
1587
1588 // if this isn't the final (dummy) node, print info about the key (Filename attribute)
1589 if (!(currentIndexExtry->Flags & NTFS_INDEX_ENTRY_END))
1590 {
1592 DbgPrint(" Parent File Reference: 0x%016I64x\n", currentIndexExtry->FileName.DirectoryFileReferenceNumber);
1593 DbgPrint(" $FILENAME indexed: ");
1594 Name.Length = currentIndexExtry->FileName.NameLength * sizeof(WCHAR);
1595 Name.MaximumLength = Name.Length;
1596 Name.Buffer = currentIndexExtry->FileName.Name;
1597 DbgPrint("'%wZ'\n", &Name);
1598 }
1599
1600 // if this node has a sub-node beneath it
1601 if (currentIndexExtry->Flags & NTFS_INDEX_ENTRY_NODE)
1602 {
1603 // Print the VCN of the sub-node
1604 PULONGLONG SubNodeVCN = (PULONGLONG)((ULONG_PTR)currentIndexExtry + currentIndexExtry->Length - sizeof(ULONGLONG));
1605 DbgPrint(" VCN of sub-node: 0x%llx\n", *SubNodeVCN);
1606 }
1607
1608 CurrentOffset += currentIndexExtry->Length;
1609 ASSERT(currentIndexExtry->Length);
1610 }
1611
1612}
1613
1614
1615static
1616VOID
1618 PNTFS_ATTR_RECORD Attribute)
1619{
1621
1622 ULONGLONG lcn = 0;
1623 ULONGLONG runcount = 0;
1624
1625 switch (Attribute->Type)
1626 {
1627 case AttributeFileName:
1628 NtfsDumpFileNameAttribute(Attribute);
1629 break;
1630
1633 break;
1634
1635 case AttributeObjectId:
1636 DbgPrint(" $OBJECT_ID ");
1637 break;
1638
1640 DbgPrint(" $SECURITY_DESCRIPTOR ");
1641 break;
1642
1644 NtfsDumpVolumeNameAttribute(Attribute);
1645 break;
1646
1649 break;
1650
1651 case AttributeData:
1652 DbgPrint(" $DATA ");
1653 //DataBuf = ExAllocatePool(NonPagedPool,AttributeLengthAllocated(Attribute));
1654 break;
1655
1656 case AttributeIndexRoot:
1657 NtfsDumpIndexRootAttribute(Attribute);
1658 break;
1659
1661 DbgPrint(" $INDEX_ALLOCATION ");
1662 break;
1663
1664 case AttributeBitmap:
1665 DbgPrint(" $BITMAP ");
1666 break;
1667
1669 DbgPrint(" $REPARSE_POINT ");
1670 break;
1671
1673 DbgPrint(" $EA_INFORMATION ");
1674 break;
1675
1676 case AttributeEA:
1677 DbgPrint(" $EA ");
1678 break;
1679
1681 DbgPrint(" $PROPERTY_SET ");
1682 break;
1683
1685 DbgPrint(" $LOGGED_UTILITY_STREAM ");
1686 break;
1687
1688 default:
1689 DbgPrint(" Attribute %lx ",
1690 Attribute->Type);
1691 break;
1692 }
1693
1694 if (Attribute->Type != AttributeAttributeList)
1695 {
1696 if (Attribute->NameLength != 0)
1697 {
1698 Name.Length = Attribute->NameLength * sizeof(WCHAR);
1699 Name.MaximumLength = Name.Length;
1700 Name.Buffer = (PWCHAR)((ULONG_PTR)Attribute + Attribute->NameOffset);
1701
1702 DbgPrint("'%wZ' ", &Name);
1703 }
1704
1705 DbgPrint("(%s)\n",
1706 Attribute->IsNonResident ? "non-resident" : "resident");
1707
1708 if (Attribute->IsNonResident)
1709 {
1710 FindRun(Attribute,0,&lcn, &runcount);
1711
1712 DbgPrint(" AllocatedSize %I64u DataSize %I64u InitilizedSize %I64u\n",
1713 Attribute->NonResident.AllocatedSize, Attribute->NonResident.DataSize, Attribute->NonResident.InitializedSize);
1714 DbgPrint(" logical clusters: %I64u - %I64u\n",
1715 lcn, lcn + runcount - 1);
1716 }
1717 else
1718 DbgPrint(" %u bytes of data\n", Attribute->Resident.ValueLength);
1719 }
1720}
1721
1722
1724{
1725 UCHAR DataRunOffsetSize;
1726 UCHAR DataRunLengthSize;
1727 CHAR i;
1728
1729 DbgPrint("%02x ", *DataRun);
1730
1731 if (*DataRun == 0)
1732 return;
1733
1734 DataRunOffsetSize = (*DataRun >> 4) & 0xF;
1735 DataRunLengthSize = *DataRun & 0xF;
1736
1737 DataRun++;
1738 for (i = 0; i < DataRunLengthSize; i++)
1739 {
1740 DbgPrint("%02x ", *DataRun);
1741 DataRun++;
1742 }
1743
1744 for (i = 0; i < DataRunOffsetSize; i++)
1745 {
1746 DbgPrint("%02x ", *DataRun);
1747 DataRun++;
1748 }
1749
1750 NtfsDumpDataRunData(DataRun);
1751}
1752
1753
1754VOID
1756 ULONGLONG CurrentLCN)
1757{
1758 PUCHAR DataRun = StartOfRun;
1759 LONGLONG DataRunOffset;
1760 ULONGLONG DataRunLength;
1761
1762 if (CurrentLCN == 0)
1763 {
1764 DPRINT1("Dumping data runs.\n\tData:\n\t\t");
1765 NtfsDumpDataRunData(StartOfRun);
1766 DbgPrint("\n\tRuns:\n\t\tOff\t\tLCN\t\tLength\n");
1767 }
1768
1769 DataRun = DecodeRun(DataRun, &DataRunOffset, &DataRunLength);
1770
1771 if (DataRunOffset != -1)
1772 CurrentLCN += DataRunOffset;
1773
1774 DbgPrint("\t\t%I64d\t", DataRunOffset);
1775 if (DataRunOffset < 99999)
1776 DbgPrint("\t");
1777 DbgPrint("%I64u\t", CurrentLCN);
1778 if (CurrentLCN < 99999)
1779 DbgPrint("\t");
1780 DbgPrint("%I64u\n", DataRunLength);
1781
1782 if (*DataRun == 0)
1783 DbgPrint("\t\t00\n");
1784 else
1785 NtfsDumpDataRuns(DataRun, CurrentLCN);
1786}
1787
1788
1789VOID
1791 PFILE_RECORD_HEADER FileRecord)
1792{
1795 PNTFS_ATTR_RECORD Attribute;
1796
1797 Status = FindFirstAttribute(&Context, Vcb, FileRecord, FALSE, &Attribute);
1798 while (NT_SUCCESS(Status))
1799 {
1800 NtfsDumpAttribute(Vcb, Attribute);
1801
1802 Status = FindNextAttribute(&Context, &Attribute);
1803 }
1804
1806}
1807
1810 PFILE_RECORD_HEADER FileRecord,
1812{
1814 PNTFS_ATTR_RECORD Attribute;
1817
1818 Status = FindFirstAttribute(&Context, Vcb, FileRecord, FALSE, &Attribute);
1819 while (NT_SUCCESS(Status))
1820 {
1821 if (Attribute->Type == AttributeFileName)
1822 {
1823 Name = (PFILENAME_ATTRIBUTE)((ULONG_PTR)Attribute + Attribute->Resident.ValueOffset);
1824 if (Name->NameType == NameType ||
1827 {
1829 return Name;
1830 }
1831 }
1832
1833 Status = FindNextAttribute(&Context, &Attribute);
1834 }
1835
1837 return NULL;
1838}
1839
1845UCHAR
1847 BOOLEAN IsSigned)
1848{
1849 if (!IsSigned)
1850 {
1851 if (NumberToPack >= 0x0100000000000000)
1852 return 8;
1853 if (NumberToPack >= 0x0001000000000000)
1854 return 7;
1855 if (NumberToPack >= 0x0000010000000000)
1856 return 6;
1857 if (NumberToPack >= 0x0000000100000000)
1858 return 5;
1859 if (NumberToPack >= 0x0000000001000000)
1860 return 4;
1861 if (NumberToPack >= 0x0000000000010000)
1862 return 3;
1863 if (NumberToPack >= 0x0000000000000100)
1864 return 2;
1865 return 1;
1866 }
1867
1868 if (NumberToPack > 0)
1869 {
1870 // we have to make sure the number that gets encoded won't be interpreted as negative
1871 if (NumberToPack >= 0x0080000000000000)
1872 return 8;
1873 if (NumberToPack >= 0x0000800000000000)
1874 return 7;
1875 if (NumberToPack >= 0x0000008000000000)
1876 return 6;
1877 if (NumberToPack >= 0x0000000080000000)
1878 return 5;
1879 if (NumberToPack >= 0x0000000000800000)
1880 return 4;
1881 if (NumberToPack >= 0x0000000000008000)
1882 return 3;
1883 if (NumberToPack >= 0x0000000000000080)
1884 return 2;
1885 }
1886 else
1887 {
1888 // negative number
1889 if (NumberToPack <= 0xff80000000000000)
1890 return 8;
1891 if (NumberToPack <= 0xffff800000000000)
1892 return 7;
1893 if (NumberToPack <= 0xffffff8000000000)
1894 return 6;
1895 if (NumberToPack <= 0xffffffff80000000)
1896 return 5;
1897 if (NumberToPack <= 0xffffffffff800000)
1898 return 4;
1899 if (NumberToPack <= 0xffffffffffff8000)
1900 return 3;
1901 if (NumberToPack <= 0xffffffffffffff80)
1902 return 2;
1903 }
1904 return 1;
1905}
1906
1909{
1910 LONGLONG DataRunOffset;
1911 ULONGLONG DataRunLength;
1912 LONGLONG DataRunStartLCN;
1913
1914 ULONGLONG LastLCN = 0;
1915 PUCHAR DataRun = (PUCHAR)Attribute + Attribute->NonResident.MappingPairsOffset;
1916
1917 if (!Attribute->IsNonResident)
1919
1920 while (1)
1921 {
1922 DataRun = DecodeRun(DataRun, &DataRunOffset, &DataRunLength);
1923
1924 if (DataRunOffset != -1)
1925 {
1926 // Normal data run.
1927 DataRunStartLCN = LastLCN + DataRunOffset;
1928 LastLCN = DataRunStartLCN;
1929 *LastCluster = LastLCN + DataRunLength - 1;
1930 }
1931
1932 if (*DataRun == 0)
1933 break;
1934 }
1935
1936 return STATUS_SUCCESS;
1937}
1938
1941 PFILE_RECORD_HEADER FileRecord)
1942{
1945 PNTFS_ATTR_RECORD Attribute;
1946 PSTANDARD_INFORMATION StdInfo;
1947
1948 Status = FindFirstAttribute(&Context, Vcb, FileRecord, FALSE, &Attribute);
1949 while (NT_SUCCESS(Status))
1950 {
1951 if (Attribute->Type == AttributeStandardInformation)
1952 {
1953 StdInfo = (PSTANDARD_INFORMATION)((ULONG_PTR)Attribute + Attribute->Resident.ValueOffset);
1955 return StdInfo;
1956 }
1957
1958 Status = FindNextAttribute(&Context, &Attribute);
1959 }
1960
1962 return NULL;
1963}
1964
1979{
1980 ULONG Length = FIELD_OFFSET(FILENAME_ATTRIBUTE, Name) + (FileNameAttribute->NameLength * sizeof(WCHAR));
1981 return Length;
1982}
1983
1986 PFILE_RECORD_HEADER FileRecord)
1987{
1989
1991 if (FileName == NULL)
1992 {
1994 if (FileName == NULL)
1995 {
1997 }
1998 }
1999
2000 return FileName;
2001}
2002
2003/* EOF */
#define ALIGN_UP_BY(size, align)
unsigned char BOOLEAN
ACPI_PHYSICAL_ADDRESS ACPI_SIZE BOOLEAN Warn UINT32 *TableIdx UINT32 ACPI_TABLE_HEADER *OutTableHeader ACPI_TABLE_HEADER **OutTable ACPI_HANDLE UINT32 ACPI_WALK_CALLBACK ACPI_WALK_CALLBACK void void **ReturnValue UINT32 NameType
Definition: acpixf.h:658
struct NameRec_ * Name
Definition: cdprocs.h:460
LONG NTSTATUS
Definition: precomp.h:26
#define DPRINT1
Definition: precomp.h:8
struct NTFS_ATTR_RECORD * PNTFS_ATTR_RECORD
#define NTFS_FILE_NAME_DOS
Definition: ntfs.h:65
#define NTFS_INDEX_ENTRY_NODE
Definition: ntfs.h:60
#define NTFS_FILE_NAME_WIN32
Definition: ntfs.h:64
#define NTFS_FILE_BITMAP
Definition: ntfs.h:29
#define NTFS_FILE_ROOT
Definition: ntfs.h:28
#define NTFS_INDEX_ENTRY_END
Definition: ntfs.h:61
#define NTFS_FILE_NAME_POSIX
Definition: ntfs.h:63
#define NTFS_FILE_NAME_WIN32_AND_DOS
Definition: ntfs.h:66
static BOOLEAN NtfsFindMftRecord(PNTFS_VOLUME_INFO Volume, ULONGLONG MFTIndex, PCHAR FileName, ULONGLONG *OutMFTIndex)
Definition: ntfs.c:545
Definition: Header.h:9
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
static LPDATABLOCK_HEADER NextItem(LPDBLIST lpList)
Definition: clist.c:42
NTSTATUS AddRun(PNTFS_VCB Vcb, PNTFS_ATTR_CONTEXT AttrContext, ULONG AttrOffset, PFILE_RECORD_HEADER FileRecord, ULONGLONG NextAssignedCluster, ULONG RunLength)
Definition: attrib.c:599
PSTANDARD_INFORMATION GetStandardInformationFromRecord(PDEVICE_EXTENSION Vcb, PFILE_RECORD_HEADER FileRecord)
Definition: attrib.c:1940
static NTSTATUS InternalReadNonResidentAttributes(PFIND_ATTR_CONTXT Context)
Definition: attrib.c:1214
static PNTFS_ATTRIBUTE_LIST_ITEM InternalGetNextAttributeListItem(PFIND_ATTR_CONTXT Context)
Definition: attrib.c:1267
PUCHAR DecodeRun(PUCHAR DataRun, LONGLONG *DataRunOffset, ULONGLONG *DataRunLength)
Definition: attrib.c:966
NTSTATUS GetLastClusterInDataRun(PDEVICE_EXTENSION Vcb, PNTFS_ATTR_RECORD Attribute, PULONGLONG LastCluster)
Definition: attrib.c:1908
NTSTATUS AddIndexRoot(PNTFS_VCB Vcb, PFILE_RECORD_HEADER FileRecord, PNTFS_ATTR_RECORD AttributeAddress, PINDEX_ROOT_ATTRIBUTE NewIndexRoot, ULONG RootLength, PCWSTR Name, USHORT NameLength)
Definition: attrib.c:495
NTSTATUS ConvertDataRunsToLargeMCB(PUCHAR DataRun, PLARGE_MCB DataRunsMCB, PULONGLONG pNextVBN)
Definition: attrib.c:825
VOID NtfsDumpDataRuns(PVOID StartOfRun, ULONGLONG CurrentLCN)
Definition: attrib.c:1755
ULONG GetFileNameAttributeLength(PFILENAME_ATTRIBUTE FileNameAttribute)
Definition: attrib.c:1978
NTSTATUS FindFirstAttribute(PFIND_ATTR_CONTXT Context, PDEVICE_EXTENSION Vcb, PFILE_RECORD_HEADER FileRecord, BOOLEAN OnlyResident, PNTFS_ATTR_RECORD *Attribute)
Definition: attrib.c:1383
static VOID NtfsDumpVolumeInformationAttribute(PNTFS_ATTR_RECORD Attribute)
Definition: attrib.c:1524
NTSTATUS FindFirstAttributeListItem(PFIND_ATTR_CONTXT Context, PNTFS_ATTRIBUTE_LIST_ITEM *Item)
Definition: attrib.c:1307
NTSTATUS FreeClusters(PNTFS_VCB Vcb, PNTFS_ATTR_CONTEXT AttrContext, ULONG AttrOffset, PFILE_RECORD_HEADER FileRecord, ULONG ClustersToFree)
Definition: attrib.c:1057
NTSTATUS AddFileName(PFILE_RECORD_HEADER FileRecord, PNTFS_ATTR_RECORD AttributeAddress, PDEVICE_EXTENSION DeviceExt, PFILE_OBJECT FileObject, BOOLEAN CaseSensitive, PULONGLONG ParentMftIndex)
Definition: attrib.c:230
VOID FindCloseAttribute(PFIND_ATTR_CONTXT Context)
Definition: attrib.c:1465
static VOID NtfsDumpFileNameAttribute(PNTFS_ATTR_RECORD Attribute)
Definition: attrib.c:1476
NTSTATUS AddBitmap(PNTFS_VCB Vcb, PFILE_RECORD_HEADER FileRecord, PNTFS_ATTR_RECORD AttributeAddress, PCWSTR Name, USHORT NameLength)
Definition: attrib.c:72
PFILENAME_ATTRIBUTE GetFileNameFromRecord(PDEVICE_EXTENSION Vcb, PFILE_RECORD_HEADER FileRecord, UCHAR NameType)
Definition: attrib.c:1809
NTSTATUS AddIndexAllocation(PNTFS_VCB Vcb, PFILE_RECORD_HEADER FileRecord, PNTFS_ATTR_RECORD AttributeAddress, PCWSTR Name, USHORT NameLength)
Definition: attrib.c:388
NTSTATUS ConvertLargeMCBToDataRuns(PLARGE_MCB DataRunsMCB, PUCHAR RunBuffer, ULONG MaxBufferSize, PULONG UsedBufferSize)
Definition: attrib.c:896
VOID NtfsDumpDataRunData(PUCHAR DataRun)
Definition: attrib.c:1723
VOID NtfsDumpFileAttributes(PDEVICE_EXTENSION Vcb, PFILE_RECORD_HEADER FileRecord)
Definition: attrib.c:1790
NTSTATUS AddData(PFILE_RECORD_HEADER FileRecord, PNTFS_ATTR_RECORD AttributeAddress)
Definition: attrib.c:160
static VOID NtfsDumpAttribute(PDEVICE_EXTENSION Vcb, PNTFS_ATTR_RECORD Attribute)
Definition: attrib.c:1617
static VOID NtfsDumpStandardInformationAttribute(PNTFS_ATTR_RECORD Attribute)
Definition: attrib.c:1494
NTSTATUS FindNextAttribute(PFIND_ATTR_CONTXT Context, PNTFS_ATTR_RECORD *Attribute)
Definition: attrib.c:1431
NTSTATUS FindNextAttributeListItem(PFIND_ATTR_CONTXT Context, PNTFS_ATTRIBUTE_LIST_ITEM *Item)
Definition: attrib.c:1321
UCHAR GetPackedByteCount(LONGLONG NumberToPack, BOOLEAN IsSigned)
Definition: attrib.c:1846
static PNTFS_ATTR_RECORD InternalGetNextAttribute(PFIND_ATTR_CONTXT Context)
Definition: attrib.c:1334
PFILENAME_ATTRIBUTE GetBestFileNameFromRecord(PDEVICE_EXTENSION Vcb, PFILE_RECORD_HEADER FileRecord)
Definition: attrib.c:1985
NTSTATUS AddStandardInformation(PFILE_RECORD_HEADER FileRecord, PNTFS_ATTR_RECORD AttributeAddress)
Definition: attrib.c:766
BOOLEAN FindRun(PNTFS_ATTR_RECORD NresAttr, ULONGLONG vcn, PULONGLONG lcn, PULONGLONG count)
Definition: attrib.c:1010
static VOID NtfsDumpVolumeNameAttribute(PNTFS_ATTR_RECORD Attribute)
Definition: attrib.c:1509
static VOID NtfsDumpIndexRootAttribute(PNTFS_ATTR_RECORD Attribute)
Definition: attrib.c:1542
#define INDEX_ROOT_SMALL
Definition: ntfs.h:208
struct FILENAME_ATTRIBUTE * PFILENAME_ATTRIBUTE
#define VALUE_OFFSET_ALIGNMENT
Definition: ntfs.h:326
#define DATA_RUN_ALIGNMENT
Definition: ntfs.h:323
struct INDEX_ENTRY_ATTRIBUTE * PINDEX_ENTRY_ATTRIBUTE
#define COLLATION_FILE_NAME
Definition: ntfs.h:201
#define FRH_DIRECTORY
Definition: ntfs.h:268
struct STANDARD_INFORMATION * PSTANDARD_INFORMATION
#define INDEX_ROOT_LARGE
Definition: ntfs.h:209
#define NTFS_FILE_TYPE_DIRECTORY
Definition: ntfs.h:232
struct VOLINFO_ATTRIBUTE * PVOLINFO_ATTRIBUTE
struct INDEX_ROOT_ATTRIBUTE * PINDEX_ROOT_ATTRIBUTE
#define FILE_RECORD_END
Definition: ntfs.h:182
struct NTFS_ATTRIBUTE_LIST_ITEM * PNTFS_ATTRIBUTE_LIST_ITEM
@ AttributeVolumeName
Definition: ntfs.h:166
@ AttributeEnd
Definition: ntfs.h:177
@ AttributeIndexRoot
Definition: ntfs.h:169
@ AttributePropertySet
Definition: ntfs.h:175
@ AttributeReparsePoint
Definition: ntfs.h:172
@ AttributeFileName
Definition: ntfs.h:163
@ AttributeEAInformation
Definition: ntfs.h:173
@ AttributeStandardInformation
Definition: ntfs.h:161
@ AttributeEA
Definition: ntfs.h:174
@ AttributeAttributeList
Definition: ntfs.h:162
@ AttributeVolumeInformation
Definition: ntfs.h:167
@ AttributeSecurityDescriptor
Definition: ntfs.h:165
@ AttributeIndexAllocation
Definition: ntfs.h:170
@ AttributeObjectId
Definition: ntfs.h:164
@ AttributeLoggedUtilityStream
Definition: ntfs.h:176
@ AttributeData
Definition: ntfs.h:168
@ AttributeBitmap
Definition: ntfs.h:171
#define TAG_NTFS
Definition: ntfs.h:12
#define ATTR_RECORD_ALIGNMENT
Definition: ntfs.h:320
#define NTFS_FILE_TYPE_ARCHIVE
Definition: ntfs.h:225
#define RA_INDEXED
Definition: ntfs.h:235
#define ULONG_PTR
Definition: config.h:101
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
#define KeQuerySystemTime(t)
Definition: env_spec_w32.h:570
#define NonPagedPool
Definition: env_spec_w32.h:307
#define ROUND_UP(n, align)
Definition: eventvwr.h:34
#define BooleanFlagOn(F, SF)
Definition: ext2fs.h:183
struct _FileName FileName
Definition: fatprocs.h:896
#define _SEH2_END
Definition: filesup.c:22
#define _SEH2_TRY
Definition: filesup.c:19
_Must_inspect_result_ _Inout_opt_ PUNICODE_STRING VolumeName
Definition: fltkernel.h:1117
_Out_ PLONGLONG LargeVbn
Definition: fsrtlfuncs.h:520
_In_ LONGLONG Vbn
Definition: fsrtlfuncs.h:470
_Must_inspect_result_ _In_ LONGLONG _In_ LONGLONG Lbn
Definition: fsrtlfuncs.h:480
_Out_ PLONGLONG _Out_ PLONGLONG LargeLbn
Definition: fsrtlfuncs.h:521
Status
Definition: gdiplustypes.h:25
GLuint GLuint GLsizei count
Definition: gl.h:1545
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define DbgPrint
Definition: hal.h:12
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
#define ULONG_MAX
Definition: limits.h:44
BOOLEAN NTAPI RtlIsNameLegalDOS8Dot3(_In_ PUNICODE_STRING Name, _Inout_opt_ POEM_STRING OemName, _Inout_opt_ PBOOLEAN NameContainsSpaces)
NTSYSAPI void WINAPI RtlInitializeBitMap(PRTL_BITMAP, PULONG, ULONG)
NTSYSAPI void WINAPI RtlClearBits(PRTL_BITMAP, ULONG, ULONG)
VOID NTAPI FsRtlTruncateLargeMcb(IN PLARGE_MCB Mcb, IN LONGLONG Vbn)
Definition: largemcb.c:1059
BOOLEAN NTAPI FsRtlAddLargeMcbEntry(IN PLARGE_MCB Mcb, IN LONGLONG Vbn, IN LONGLONG Lbn, IN LONGLONG SectorCount)
Definition: largemcb.c:288
VOID NTAPI FsRtlUninitializeLargeMcb(IN PLARGE_MCB Mcb)
Definition: largemcb.c:1096
VOID NTAPI FsRtlInitializeLargeMcb(IN PLARGE_MCB Mcb, IN POOL_TYPE PoolType)
Definition: largemcb.c:451
BOOLEAN NTAPI FsRtlLookupLastLargeMcbEntry(IN PLARGE_MCB Mcb, OUT PLONGLONG Vbn, OUT PLONGLONG Lbn)
Definition: largemcb.c:718
BOOLEAN NTAPI FsRtlGetNextLargeMcbEntry(IN PLARGE_MCB Mcb, IN ULONG RunIndex, OUT PLONGLONG Vbn, OUT PLONGLONG Lbn, OUT PLONGLONG SectorCount)
Definition: largemcb.c:392
if(dx< 0)
Definition: linetemp.h:194
NTSTATUS ReadFileRecord(PDEVICE_EXTENSION Vcb, ULONGLONG index, PFILE_RECORD_HEADER file)
Definition: mft.c:1631
NTSTATUS UpdateFileRecord(PDEVICE_EXTENSION Vcb, ULONGLONG MftIndex, PFILE_RECORD_HEADER FileRecord)
Definition: mft.c:1931
VOID ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context)
Definition: mft.c:104
PNTFS_ATTR_CONTEXT PrepareAttributeContext(PNTFS_ATTR_RECORD AttrRecord)
Definition: mft.c:41
ULONGLONG AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord)
Definition: mft.c:259
NTSTATUS FindAttribute(PDEVICE_EXTENSION Vcb, PFILE_RECORD_HEADER MftRecord, ULONG Type, PCWSTR Name, ULONG NameLength, PNTFS_ATTR_CONTEXT *AttrCtx, PULONG Offset)
Definition: mft.c:131
ULONG ReadAttribute(PDEVICE_EXTENSION Vcb, PNTFS_ATTR_CONTEXT Context, ULONGLONG Offset, PCHAR Buffer, ULONG Length)
Definition: mft.c:1065
NTSTATUS WriteAttribute(PDEVICE_EXTENSION Vcb, PNTFS_ATTR_CONTEXT Context, ULONGLONG Offset, const PUCHAR Buffer, ULONG Length, PULONG RealLengthWritten, PFILE_RECORD_HEADER FileRecord)
Definition: mft.c:1315
VOID SetFileRecordEnd(PFILE_RECORD_HEADER FileRecord, PNTFS_ATTR_RECORD AttrEnd, ULONG EndMarker)
Definition: mft.c:706
PNTFS_ATTR_RECORD MoveAttributes(PDEVICE_EXTENSION DeviceExt, PNTFS_ATTR_RECORD FirstAttributeToMove, ULONG FirstAttributeOffset, ULONG_PTR MoveTo)
Definition: mft.c:512
#define ASSERT(a)
Definition: mode.c:44
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1109
unsigned __int64 ULONG64
Definition: imports.h:198
#define min(a, b)
Definition: monoChain.cc:55
__int3264 LONG_PTR
Definition: mstsclib_h.h:276
int Count
Definition: noreturn.cpp:7
__GNU_EXTENSION typedef unsigned __int64 * PULONGLONG
Definition: ntbasedef.h:383
__GNU_EXTENSION typedef __int64 * PLONGLONG
Definition: ntbasedef.h:382
_In_ ULONG _In_ ULONG _In_ ULONG Length
Definition: ntddpcm.h:102
VOID NTAPI FsRtlDissectName(IN UNICODE_STRING Name, OUT PUNICODE_STRING FirstPart, OUT PUNICODE_STRING RemainingPart)
Definition: name.c:398
#define ExRaiseStatus
Definition: ntoskrnl.h:114
#define STATUS_NO_MEMORY
Definition: ntstatus.h:260
#define STATUS_NOT_IMPLEMENTED
Definition: ntstatus.h:239
#define L(x)
Definition: ntvdm.h:50
unsigned short USHORT
Definition: pedump.c:61
#define Vcb
Definition: cdprocs.h:1415
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:165
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:66
#define _SEH2_YIELD(__stmt)
Definition: pseh2_64.h:168
#define STATUS_END_OF_FILE
Definition: shellext.h:67
#define STATUS_SUCCESS
Definition: shellext.h:65
#define STATUS_BUFFER_TOO_SMALL
Definition: shellext.h:69
#define STATUS_BUFFER_OVERFLOW
Definition: shellext.h:66
#define DPRINT
Definition: sndvol32.h:73
ULONGLONG LastWriteTime
Definition: ntfs.h:363
UCHAR NameLength
Definition: ntfs.h:377
ULONGLONG DirectoryFileReferenceNumber
Definition: ntfs.h:360
ULONGLONG DataSize
Definition: ntfs.h:366
UCHAR NameType
Definition: ntfs.h:378
ULONGLONG AllocatedSize
Definition: ntfs.h:365
ULONG FileAttributes
Definition: ntfs.h:367
ULONGLONG LastAccessTime
Definition: ntfs.h:364
ULONGLONG CreationTime
Definition: ntfs.h:361
WCHAR Name[1]
Definition: ntfs.h:379
ULONGLONG ChangeTime
Definition: ntfs.h:362
Definition: ntfs.h:409
FILENAME_ATTRIBUTE FileName
Definition: ntfs.h:427
USHORT Length
Definition: ntfs.h:423
USHORT KeyLength
Definition: ntfs.h:424
struct INDEX_ENTRY_ATTRIBUTE::@767::@768 Directory
union INDEX_ENTRY_ATTRIBUTE::@767 Data
USHORT Flags
Definition: ntfs.h:425
ULONG FirstEntryOffset
Definition: ntfs.h:384
ULONG TotalSizeOfEntries
Definition: ntfs.h:385
ULONG AttributeType
Definition: ntfs.h:393
ULONG CollationRule
Definition: ntfs.h:394
INDEX_HEADER_ATTRIBUTE Header
Definition: ntfs.h:398
UCHAR ClustersPerIndexRecord
Definition: ntfs.h:396
ULONG SizeOfEntry
Definition: ntfs.h:395
UCHAR Reserved
Definition: ntfs.h:141
ULONG Length
Definition: ntfs.h:127
LONGLONG CompressedSize
Definition: ntfs.h:154
struct NTFS_ATTR_RECORD::@178::@181 NonResident
USHORT NameOffset
Definition: ntfs.h:130
USHORT Instance
Definition: ntfs.h:132
UCHAR NameLength
Definition: ntfs.h:129
UCHAR IsNonResident
Definition: ntfs.h:128
ULONG Type
Definition: ntfs.h:126
struct NTFS_ATTR_RECORD::@178::@180 Resident
ULONGLONG LastAccessTime
Definition: ntfs.h:333
ULONGLONG ChangeTime
Definition: ntfs.h:331
ULONGLONG LastWriteTime
Definition: ntfs.h:332
ULONG FileAttribute
Definition: ntfs.h:334
ULONGLONG CreationTime
Definition: ntfs.h:330
UCHAR MinorVersion
Definition: ntfs.h:462
UCHAR MajorVersion
Definition: ntfs.h:461
USHORT Flags
Definition: ntfs.h:463
USHORT SequenceNumber
Definition: ntfs.h:253
USHORT Flags
Definition: ntfs.h:256
USHORT LinkCount
Definition: ntfs.h:254
USHORT NextAttributeNumber
Definition: ntfs.h:260
USHORT AttributeOffset
Definition: ntfs.h:255
ULONG BytesInUse
Definition: ntfs.h:257
USHORT MaximumLength
Definition: env_spec_w32.h:370
#define max(a, b)
Definition: svc.c:63
uint32_t * PULONG
Definition: typedefs.h:59
const uint16_t * PCWSTR
Definition: typedefs.h:57
int64_t LONG64
Definition: typedefs.h:68
#define FIELD_OFFSET(t, f)
Definition: typedefs.h:255
int64_t LONGLONG
Definition: typedefs.h:68
void * PVOID
Definition: typedefs.h:50
#define RtlCopyMemory(Destination, Source, Length)
Definition: typedefs.h:263
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262
uint32_t ULONG_PTR
Definition: typedefs.h:65
uint16_t * PWCHAR
Definition: typedefs.h:56
unsigned char * PUCHAR
Definition: typedefs.h:53
uint32_t ULONG
Definition: typedefs.h:59
uint64_t ULONGLONG
Definition: typedefs.h:67
char * PCHAR
Definition: typedefs.h:51
#define STATUS_INVALID_PARAMETER
Definition: udferr_usr.h:135
#define STATUS_UNSUCCESSFUL
Definition: udferr_usr.h:132
#define STATUS_FILE_CORRUPT_ERROR
Definition: udferr_usr.h:168
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158
LONGLONG QuadPart
Definition: typedefs.h:114
_In_ WDFCOLLECTION _In_ WDFOBJECT Item
_In_ WDFREQUEST _In_ WDFFILEOBJECT FileObject
Definition: wdfdevice.h:550
_Must_inspect_result_ _In_ WDFKEY _In_ PCUNICODE_STRING _In_ ULONG ValueLength
Definition: wdfregistry.h:275
* PFILE_OBJECT
Definition: iotypes.h:1998
unsigned char UCHAR
Definition: xmlstorage.h:181
__wchar_t WCHAR
Definition: xmlstorage.h:180
char CHAR
Definition: xmlstorage.h:175