forked from ladislav-zezula/FileTest
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathPage05FileOps.cpp
1507 lines (1271 loc) · 51.8 KB
/
Page05FileOps.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*****************************************************************************/
/* Page05FileOps.cpp Copyright (c) Ladislav Zezula 2004 */
/*---------------------------------------------------------------------------*/
/* Description: */
/*---------------------------------------------------------------------------*/
/* Date Ver Who Comment */
/* -------- ---- --- ------- */
/* 19.04.04 1.00 Lad The first version of Page05FileOps.cpp */
/*****************************************************************************/
#include "FileTest.h"
#include "resource.h"
//-----------------------------------------------------------------------------
// Flags
static TFlagInfo CopyFileFlags[] =
{
FLAG_INFO_ENTRY(COPY_FILE_FAIL_IF_EXISTS),
FLAG_INFO_ENTRY(COPY_FILE_RESTARTABLE),
FLAG_INFO_ENTRY(COPY_FILE_OPEN_SOURCE_FOR_WRITE),
FLAG_INFO_ENTRY(COPY_FILE_ALLOW_DECRYPTED_DESTINATION),
FLAG_INFO_SEPARATOR(),
{{_T("Use Manual Copy (ReadFile+WriteFile)")}, COPY_FILE_USE_READ_WRITE, COPY_FILE_USE_READ_WRITE},
{{_T("Manual Copy: Skip Read Errors")}, COPY_FILE_SKIP_IO_ERRORS, COPY_FILE_SKIP_IO_ERRORS},
{{_T("Manual Copy: Log Read Errors")}, COPY_FILE_LOG_IO_ERRORS, COPY_FILE_LOG_IO_ERRORS},
{{_T("Manual Copy: Copy per sector")}, COPY_FILE_PER_SECTOR, COPY_FILE_PER_SECTOR},
FLAG_INFO_END
};
static TFlagInfo MoveFileFlags[] =
{
FLAG_INFO_ENTRY(MOVEFILE_REPLACE_EXISTING),
FLAG_INFO_ENTRY(MOVEFILE_COPY_ALLOWED),
FLAG_INFO_ENTRY(MOVEFILE_DELAY_UNTIL_REBOOT),
FLAG_INFO_ENTRY(MOVEFILE_WRITE_THROUGH),
FLAG_INFO_ENTRY(MOVEFILE_CREATE_HARDLINK),
FLAG_INFO_ENTRY(MOVEFILE_FAIL_IF_NOT_TRACKABLE),
FLAG_INFO_END
};
static TFlagInfo Win7OplockFlags[] =
{
FLAG_INFO_ENTRY(OPLOCK_LEVEL_CACHE_READ),
FLAG_INFO_ENTRY(OPLOCK_LEVEL_CACHE_HANDLE),
FLAG_INFO_ENTRY(OPLOCK_LEVEL_CACHE_WRITE),
FLAG_INFO_END
};
//-----------------------------------------------------------------------------
// Helper functions
static LPTSTR FormatOplockTypeWindows7(LPTSTR szBuffer, size_t cchBuffer, DWORD dwOplockFlags)
{
size_t nIndex;
// Print the base information
StringCchPrintf(szBuffer, cchBuffer, _T("windows7:"));
nIndex = _tcslen(szBuffer);
if(dwOplockFlags & OPLOCK_LEVEL_CACHE_READ)
szBuffer[nIndex++] = _T('R');
if(dwOplockFlags & OPLOCK_LEVEL_CACHE_WRITE)
szBuffer[nIndex++] = _T('W');
if(dwOplockFlags & OPLOCK_LEVEL_CACHE_HANDLE)
szBuffer[nIndex++] = _T('H');
if(dwOplockFlags == 0)
szBuffer[nIndex++] = _T('0');
szBuffer[nIndex] = 0;
return szBuffer;
}
static bool IsDotDirectoryName(PFILE_DIRECTORY_INFORMATION pDirInfo)
{
if(pDirInfo->FileNameLength == 2 && pDirInfo->FileName[0] == L'.')
return true;
if(pDirInfo->FileNameLength == 4 && pDirInfo->FileName[0] == L'.' && pDirInfo->FileName[1] == L'.')
return true;
return false;
}
// Takes ownership on handle (file or registry key).
// The handle must be open for WRITE_OWNER access
static NTSTATUS NtTakeOwnershipObject(HANDLE ObjectHandle)
{
SECURITY_DESCRIPTOR sd;
PTOKEN_USER pTokenUser = NULL;
NTSTATUS Status;
HANDLE TokenHandle = NULL;
ULONG cbTokenUser = 0;
// Open the token of the current process
Status = NtOpenProcessToken(NtCurrentProcess(),
TOKEN_QUERY,
&TokenHandle);
if(NT_SUCCESS(Status))
{
NtQueryInformationToken(TokenHandle,
TokenUser,
pTokenUser,
cbTokenUser,
&cbTokenUser);
if(cbTokenUser == 0)
{
NtClose(TokenHandle);
return STATUS_UNSUCCESSFUL;
}
pTokenUser = (PTOKEN_USER)RtlAllocateHeap(RtlProcessHeap(), 0, cbTokenUser);
if(pTokenUser != NULL)
{
Status = NtQueryInformationToken(TokenHandle,
TokenUser,
pTokenUser,
cbTokenUser,
&cbTokenUser);
}
else
{
Status = STATUS_NO_MEMORY;
}
}
// Initialize the blank security descriptor
if(NT_SUCCESS(Status))
{
Status = RtlCreateSecurityDescriptor(&sd, SECURITY_DESCRIPTOR_REVISION);
}
// Set the owner to the security descriptor
if(NT_SUCCESS(Status))
{
Status = RtlSetOwnerSecurityDescriptor(&sd, pTokenUser->User.Sid, FALSE);
}
// Apply the owner to the object handle
if(NT_SUCCESS(Status))
{
Status = NtSetSecurityObject(ObjectHandle, OWNER_SECURITY_INFORMATION, &sd);
}
// Free buffers
if(pTokenUser != NULL)
RtlFreeHeap(RtlProcessHeap(), 0, pTokenUser);
if(TokenHandle != NULL)
NtClose(TokenHandle);
return Status;
}
/*
// Gives the object a NULL Dacl, granting access to everyone
// https://technet.microsoft.com/en-us/library/cc781716%28v=ws.10%29.aspx
static NTSTATUS NtSetObjectNullDacl(IN HANDLE ObjectHandle)
{
SECURITY_DESCRIPTOR sd;
NTSTATUS Status;
// Initialize the blank security descriptor
Status = RtlCreateSecurityDescriptor(&sd, SECURITY_DESCRIPTOR_REVISION);
// Set the ACL to the security descriptor
if(NT_SUCCESS(Status))
{
Status = RtlSetDaclSecurityDescriptor(&sd, TRUE, NULL, FALSE);
}
// Apply the security information to the handle
if(NT_SUCCESS(Status))
{
Status = NtSetSecurityObject(ObjectHandle, DACL_SECURITY_INFORMATION, &sd);
}
return Status;
}
*/
// Sets the access-control list for a handle to "Everyone:AccessMask"
// The handle must be open for WRITE_DAC access
static NTSTATUS NtSetObjectAccessForEveryone(
IN HANDLE ObjectHandle,
IN ACCESS_MASK AccessMask)
{
SID_IDENTIFIER_AUTHORITY SiaEveryone = SECURITY_WORLD_SID_AUTHORITY;
SECURITY_DESCRIPTOR sd;
NTSTATUS Status;
ULONG cbAclLength = 0;
PSID pSidEveryone = NULL;
PACL pAcl = NULL;
// Get the SID of Everyone
Status = RtlAllocateAndInitializeSid(&SiaEveryone, 1, 0, 0, 0, 0, 0, 0, 0, 0, &pSidEveryone);
// Allocate space for ACL
if(NT_SUCCESS(Status))
{
ULONG dwSidLength = RtlLengthSid(pSidEveryone);
// Create ACL for full access to the file
cbAclLength = sizeof(ACL) + sizeof(ACCESS_ALLOWED_ACE) + dwSidLength - sizeof(DWORD);
pAcl = (PACL)RtlAllocateHeap(RtlProcessHeap(), 0, cbAclLength);
if(pAcl == NULL)
Status = STATUS_INSUFFICIENT_RESOURCES;
}
// Create the Access control list with one ACE
if(NT_SUCCESS(Status))
{
Status = RtlCreateAcl(pAcl, cbAclLength, ACL_REVISION);
}
// Add the ACE to the ACL
if(NT_SUCCESS(Status))
{
Status = RtlAddAccessAllowedAce(pAcl, ACL_REVISION, AccessMask, pSidEveryone);
}
// Initialize the blank security descriptor
if(NT_SUCCESS(Status))
{
Status = RtlCreateSecurityDescriptor(&sd, SECURITY_DESCRIPTOR_REVISION);
}
// Set the ACL to the security descriptor
if(NT_SUCCESS(Status))
{
Status = RtlSetDaclSecurityDescriptor(&sd, TRUE, pAcl, FALSE);
}
// Apply the security information to the handle
if(NT_SUCCESS(Status))
{
Status = NtSetSecurityObject(ObjectHandle, DACL_SECURITY_INFORMATION, &sd);
}
// Free buffers
if(pAcl != NULL)
RtlFreeHeap(RtlProcessHeap(), 0, pAcl);
if(pSidEveryone != NULL)
RtlFreeSid(pSidEveryone);
return Status;
}
static NTSTATUS NtSetFileAccessToEveryone(POBJECT_ATTRIBUTES PtrObjectAttributes, ACCESS_MASK AccessMask)
{
IO_STATUS_BLOCK IoStatus;
NTSTATUS Status;
HANDLE FileHandle;
ULONG OpenOptions = FILE_OPEN_REPARSE_POINT;
ULONG TryCount = 0;
// Attempt to set the file's security. If this fails, it either means that
// the current user doesn't have WRITE_DAC access or the current user
// is not the owner of the file
__TryOpenFsObject:
Status = NtOpenFile(&FileHandle,
WRITE_DAC,
PtrObjectAttributes,
&IoStatus,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
OpenOptions);
if(Status == STATUS_ACCESS_DENIED && TryCount++ == 0)
{
// Write the owner to the file.
Status = NtOpenFile(&FileHandle,
WRITE_OWNER,
PtrObjectAttributes,
&IoStatus,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
OpenOptions);
if(NT_SUCCESS(Status))
{
NtTakeOwnershipObject(FileHandle);
NtClose(FileHandle);
}
// Retry to open for WRITE_DAC
goto __TryOpenFsObject;
}
// If succeeded, write the file security
if(NT_SUCCESS(Status))
{
// Vers: Windows 10, build 17763.rs5_release.180914-1434
// File: C:\Windows.old\$WINDOWS.~BT\Sources\SafeOS\boot.sdi
// Looks like NtSetObjectNullDacl succeeds, but does nothing
// On the other hand, setting DACL with Everyone:GENERIC_ALL works OK.
Status = NtSetObjectAccessForEveryone(FileHandle, GENERIC_ALL);
// Status = NtSetObjectNullDacl(FileHandle);
NtClose(FileHandle);
}
// If the file access also includes WRITE, we also clear all attributes
if(AccessMask & (GENERIC_ALL | GENERIC_WRITE | FILE_WRITE_DATA | DELETE))
{
FILE_BASIC_INFORMATION BasicInfo;
Status = NtOpenFile(&FileHandle,
FILE_WRITE_ATTRIBUTES,
PtrObjectAttributes,
&IoStatus,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
OpenOptions);
if(NT_SUCCESS(Status))
{
memset(&BasicInfo, 0xFF, sizeof(FILE_BASIC_INFORMATION));
BasicInfo.FileAttributes = FILE_ATTRIBUTE_NORMAL;
NtSetInformationFile(FileHandle,
&IoStatus,
&BasicInfo,
sizeof(FILE_BASIC_INFORMATION),
FileBasicInformation);
NtClose(FileHandle);
}
}
return Status;
}
static NTSTATUS NtRemoveSingleFile(POBJECT_ATTRIBUTES PtrObjectAttributes)
{
NTSTATUS Status = STATUS_SUCCESS;
ULONG TryCount = 0;
// Attempt to delete the file
__TryDeleteFile:
Status = NtDeleteFile(PtrObjectAttributes);
// If STATUS_ACCESS_DENIED, try to rewrite the security descriptor
if(Status == STATUS_ACCESS_DENIED && TryCount == 0)
{
Status = NtSetFileAccessToEveryone(PtrObjectAttributes, GENERIC_ALL | DELETE);
if(NT_SUCCESS(Status))
{
TryCount++;
goto __TryDeleteFile;
}
}
return Status;
}
static NTSTATUS NtDeleteFsObject(
POBJECT_ATTRIBUTES PtrObjectAttributes, // OBJECT_ATTRIBUTES of the object to be deleted
PVOID WorkBuffer, // Work buffer to be used for queries
ULONG WorkBufferSize, // Size of the work buffer
BOOLEAN RecursiveDelete) // TRUE - delete recursively
{
PFILE_DIRECTORY_INFORMATION pDirInfo = (PFILE_DIRECTORY_INFORMATION)WorkBuffer;
PFILE_BASIC_INFORMATION pFileInfo = (PFILE_BASIC_INFORMATION)WorkBuffer;
OBJECT_ATTRIBUTES ChildAttr;
IO_STATUS_BLOCK IoStatus;
UNICODE_STRING ChildPath;
NTSTATUS Status;
HANDLE ObjectHandle = NULL;
BOOLEAN NeedDeleteManually;
BOOLEAN IsSubdirectory;
ULONG TryCount = 0;
// Open the directory for enumeration+delete
// Use FILE_OPEN_REPARSE_POINT, because the directory can be
// a reparse point (even an invalid one) and still contain files/subdirs
__TryOpenFsObject:
Status = NtOpenFile(&ObjectHandle,
FILE_LIST_DIRECTORY | FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES | DELETE | SYNCHRONIZE,
PtrObjectAttributes,
&IoStatus,
FILE_SHARE_READ,
FILE_SYNCHRONOUS_IO_ALERT | FILE_DELETE_ON_CLOSE | FILE_OPEN_REPARSE_POINT);
NeedDeleteManually = FALSE;
// When the access is denied, we can try to reset the permissions
// Note that if the file/directory has FILE_ATTRIBUTE_READONLY,
// then NtOpenFile return STATUS_CANNOT_DELETE
if(Status == STATUS_ACCESS_DENIED || Status == STATUS_CANNOT_DELETE)
{
// Reason number one could be a reset security descriptor/read-only attribute.
// Reset DACL and attributes and retry
if(TryCount++ == 0)
{
// Reset the complete security descriptor to Everyone:Full Control.
// Also reset the file/directory attributes
Status = NtSetFileAccessToEveryone(PtrObjectAttributes, GENERIC_ALL | DELETE);
goto __TryOpenFsObject;
}
// In some cases, the previous one could fail with STATUS_CANNOT_DELETE
// Example: Opening a second hardlink to a file that is currently mapped
Status = NtOpenFile(&ObjectHandle,
FILE_LIST_DIRECTORY | FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES | DELETE | SYNCHRONIZE,
PtrObjectAttributes,
&IoStatus,
FILE_SHARE_READ,
FILE_SYNCHRONOUS_IO_ALERT | FILE_OPEN_REPARSE_POINT);
// We need the manual delete here
NeedDeleteManually = TRUE;
}
if(NT_SUCCESS(Status) && RecursiveDelete)
{
// Check if the FS object is a directory
Status = NtQueryInformationFile(ObjectHandle,
&IoStatus,
pFileInfo,
WorkBufferSize,
FileBasicInformation);
// If the opened object has reparse point on it,
// we need to delete the reparse point first
if(NT_SUCCESS(Status) && (pFileInfo->FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT))
{
Status = NtDeleteReparsePoint(ObjectHandle);
if(NT_SUCCESS(Status))
{
// Note that the NtClose might cause the directory be deleted
// if it is empty.
NtClose(ObjectHandle);
ObjectHandle = NULL;
TryCount = 0;
goto __TryOpenFsObject;
}
}
// If the FS object is a directory
if(NT_SUCCESS(Status) && (pFileInfo->FileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
// Prepare the child object attributes and the pointer to directory entry
InitializeObjectAttributes(&ChildAttr, &ChildPath, OBJ_CASE_INSENSITIVE, ObjectHandle, NULL);
// Work as long as we have something
for(;;)
{
// Query a single directory item
Status = NtQueryDirectoryFile(ObjectHandle,
NULL,
NULL,
NULL,
&IoStatus,
pDirInfo,
WorkBufferSize,
FileDirectoryInformation,
TRUE,
NULL,
FALSE);
// STATUS_NO_MORE_FILES means there are no files
// STATUS_INVALID_PARAMETER means that it is a file
if(Status == STATUS_NO_MORE_FILES || Status == STATUS_INVALID_PARAMETER)
{
Status = STATUS_SUCCESS;
break;
}
// Skip "." and ".."
if(!IsDotDirectoryName(pDirInfo))
{
// Create the child path
ChildPath.MaximumLength =
ChildPath.Length = (USHORT)pDirInfo->FileNameLength;
ChildPath.Buffer = pDirInfo->FileName;
// Terminate the child path with zero. Redundant, but easier to debug
ChildPath.Buffer[ChildPath.Length / sizeof(WCHAR)] = 0;
// If the found object is a file, we pass RecursiveDelete = FALSE,
// which will skip subdirectory enumeration
IsSubdirectory = (pDirInfo->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? TRUE : FALSE;
// Delete the files/directories in the directory itself
// Note that the content of the work buffer is destroyed after this call
Status = NtDeleteFsObject(&ChildAttr, WorkBuffer, WorkBufferSize, IsSubdirectory);
if(!NT_SUCCESS(Status))
break;
}
}
}
}
// Close the file/directory handle. This causes it to be deleted.
if(ObjectHandle != NULL)
{
if(NeedDeleteManually)
{
FILE_DISPOSITION_INFORMATION_EX DispInfoEx = {FILE_DISPOSITION_DELETE};
FILE_DISPOSITION_INFORMATION DispInfo = {TRUE};
// Try the classic FILE_DISPOSITION_INFORMATION
Status = NtSetInformationFile(ObjectHandle, &IoStatus, &DispInfo, sizeof(FILE_DISPOSITION_INFORMATION), FileDispositionInformation);
// If the file is a hardlink to a running file (mapped image), the previous call will fail.
// Try the new FILE_DISPOSITION_INFORMATION_EX. Thanks Scott Noone from Open System Resources (OSR)
// for this valuable hint: http://www.osronline.com/showthread.cfm?link=286551
if(Status == STATUS_CANNOT_DELETE)
Status = NtSetInformationFile(ObjectHandle, &IoStatus, &DispInfoEx, sizeof(FILE_DISPOSITION_INFORMATION_EX), FileDispositionInformationEx);
// When closed, the file goes away
NtClose(ObjectHandle);
}
else
{
NTSTATUS DelStatus = NtClose(ObjectHandle);
Status = NT_SUCCESS(Status) ? DelStatus : Status;
}
}
// If the file was not found, we consider this a success
if(Status == STATUS_OBJECT_NAME_NOT_FOUND || Status == STATUS_OBJECT_PATH_NOT_FOUND)
Status = STATUS_SUCCESS;
return Status;
}
static NTSTATUS ForceRemoveFile(LPCTSTR szFileName)
{
OBJECT_ATTRIBUTES ObjAttr;
UNICODE_STRING PathName;
NTSTATUS Status;
// Convert to UNICODE_STRING
Status = FileNameToUnicodeString(&PathName, szFileName);
if(NT_SUCCESS(Status))
{
InitializeObjectAttributes(&ObjAttr, &PathName, OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = NtRemoveSingleFile(&ObjAttr);
FreeFileNameString(&PathName);
}
return Status;
}
static NTSTATUS RemoveFsObjectTree(LPCTSTR szDirName, BOOLEAN RecursiveDelete)
{
OBJECT_ATTRIBUTES ObjAttr;
UNICODE_STRING PathName;
NTSTATUS Status;
PVOID WorkBuffer;
ULONG WorkBufferSize = 0x1000;
// Convert to UNICODE_STRING
Status = FileNameToUnicodeString(&PathName, szDirName);
if(NT_SUCCESS(Status))
{
// Allocate working buffer so the recursive function will not consume so much memory
WorkBuffer = RtlAllocateHeap(RtlProcessHeap(), 0, WorkBufferSize);
if(WorkBuffer != NULL)
{
// Call the recursive function
InitializeObjectAttributes(&ObjAttr, &PathName, OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = NtDeleteFsObject(&ObjAttr, WorkBuffer, WorkBufferSize, RecursiveDelete);
FreeFileNameString(&PathName);
// Free the work buffer
RtlFreeHeap(RtlProcessHeap(), 0, WorkBuffer);
}
else
{
Status = STATUS_NO_MEMORY;
}
}
return Status;
}
static int SaveDialog(HWND hDlg)
{
TFileTestData * pData = GetDialogData(hDlg);
if((pData->dwCreateOptions & FILE_OPEN_BY_FILE_ID) == 0)
GetDlgItemText(hDlg, IDC_FILE_NAME1, pData->szFileName1, _countof(pData->szFileName1));
GetDlgItemText(hDlg, IDC_FILE_NAME2, pData->szFileName2, _countof(pData->szFileName2));
return ERROR_SUCCESS;
}
// This function enables/disables the buttons for map operations
static int UpdateDialogButtons(HWND hDlg)
{
TFileTestData * pData = GetDialogData(hDlg);
BOOL bEnable;
// Enable/Disable handle-based buttons
bEnable = IsHandleValid(pData->hFile) ? TRUE : FALSE;
EnableDlgItems(hDlg, bEnable,
IDC_FLUSH_FILE_BUFFERS,
IDC_REQUEST_OPLOCK_MENU,
IDC_BREAK_ACKNOWLEDGE_1,
IDC_REQUEST_OPLOCK_WIN7,
IDC_BREAK_ACKNOWLEDGE_2,
0);
// Enable/Disable CreateHardLink button
bEnable = (pfnCreateHardLink != NULL) ? TRUE : FALSE;
EnableDlgItems(hDlg, bEnable, IDC_CREATE_HARDLINK, 0);
return TRUE;
}
//-----------------------------------------------------------------------------
// Message handlers
static TAnchors * pAnchors = NULL;
static int OnInitDialog(HWND hDlg, LPARAM lParam)
{
PROPSHEETPAGE * pPage = (PROPSHEETPAGE *)lParam;
TFileTestData * pData = (TFileTestData *)pPage->lParam;
SetDialogData(hDlg, pPage->lParam);
// Configure dialog resizing
if(pData->bEnableResizing)
{
pAnchors = new TAnchors();
pAnchors->AddAnchor(hDlg, IDC_MAIN_FRAME, akLeft | akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_FILE_NAME1, akLeft | akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_FILE_NAME1_BROWSE, akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_FILE_NAME2, akLeft | akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_FILE_NAME2_BROWSE, akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_MOVE_FILE, akLeftCenter | akTop);
pAnchors->AddAnchor(hDlg, IDC_MOVE_OPTIONS, akLeftCenter | akTop);
pAnchors->AddAnchor(hDlg, IDC_DELETE_FILE, akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_DELETE_OBJECT_MENU, akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_FILEID_FRAME, akLeft | akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_FILE_ID, akLeft | akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_FILE_ID_USE, akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_OBJECT_ID, akLeft | akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_OBJECT_ID_USE, akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_OTHERS_FRAME, akLeft | akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_NT_QUERY_ATTRIBUTES_FILE, akLeft | akTop);
pAnchors->AddAnchor(hDlg, IDC_GET_FILE_ATTRIBUTES, akRight | akTop);
pAnchors->AddAnchor(hDlg, IDC_FLUSH_FILE_BUFFERS, akLeft | akTop);
pAnchors->AddAnchor(hDlg, IDC_OPLOCKS_FRAME, akAll);
pAnchors->AddAnchor(hDlg, IDC_REQUEST_OPLOCK_MENU, akLeft | akTop);
pAnchors->AddAnchor(hDlg, IDC_BREAK_ACKNOWLEDGE_1, akRight | akTop);
pAnchors->AddAnchor(hDlg, IDC_REQUEST_OPLOCK_WIN7, akLeft | akTop);
pAnchors->AddAnchor(hDlg, IDC_BREAK_ACKNOWLEDGE_2, akRight | akTop);
pAnchors->AddAnchor(hDlg, IDC_RESULT_FRAME, akLeft | akRight | akBottom);
pAnchors->AddAnchor(hDlg, IDC_ERROR_CODE_TITLE, akLeft | akBottom);
pAnchors->AddAnchor(hDlg, IDC_ERROR_CODE, akLeft | akRight | akBottom);
}
// Initialize tooltips
g_Tooltip.AddToolTip(hDlg, IDC_NT_QUERY_ATTRIBUTES_FILE, IDS_NT_QUERY_ATTRIBUTES_FILE_TIP);
g_Tooltip.AddToolTip(hDlg, IDC_GET_FILE_ATTRIBUTES, IDS_GET_FILE_ATTRIBUTES_TIP);
g_Tooltip.AddToolTip(hDlg, IDC_FLUSH_FILE_BUFFERS, IDS_FLUSH_FILE_BUFFERS_TIP);
Hex2DlgText64(hDlg, IDC_BYTE_OFFSET, 0);
Hex2DlgText32(hDlg, IDC_LENGTH, 0x10000);
return TRUE;
}
static int OnSetActive(HWND hDlg)
{
TFileTestData * pData = GetDialogData(hDlg);
if((pData->dwCreateOptions & FILE_OPEN_BY_FILE_ID) == 0)
{
SetDlgItemText(hDlg, IDC_FILE_NAME1, pData->szFileName1);
ConvertToWin32Name(hDlg, IDC_FILE_NAME1);
}
else
{
pData->szDirName[0] = 0;
pData->dwCreateOptions &= ~FILE_OPEN_BY_FILE_ID;
}
if(pData->szFileName2[0] != 0)
{
SetDlgItemText(hDlg, IDC_FILE_NAME2, pData->szFileName2);
ConvertToWin32Name(hDlg, IDC_FILE_NAME2);
}
UpdateDialogButtons(hDlg);
return TRUE;
}
static int OnKillActive(HWND hDlg)
{
SaveDialog(hDlg);
UpdateDialogButtons(hDlg);
return TRUE;
}
static int OnDeltaPos(HWND hDlg, NMUPDOWN * pNMHDR)
{
LARGE_INTEGER Uint64;
DWORD Uint32;
// Get the proper edit box
if(pNMHDR->hdr.idFrom == IDC_BYTE_OFFSET_SPIN)
{
DlgText2Hex64(hDlg, IDC_BYTE_OFFSET, &Uint64.QuadPart);
if(pNMHDR->iDelta < 0)
Uint64.QuadPart += 0x10000;
else
Uint64.QuadPart -= 0x10000;
if(Uint64.HighPart & 0x80000000)
Uint64.QuadPart = 0;
Hex2DlgText64(hDlg, IDC_BYTE_OFFSET, Uint64.QuadPart);
return TRUE;
}
if(pNMHDR->hdr.idFrom == IDC_LENGTH_SPIN)
{
DlgText2Hex32(hDlg, IDC_LENGTH, &Uint32);
if(pNMHDR->iDelta < 0)
Uint32 += 0x10000;
else
Uint32 -= 0x10000;
if(Uint32 & 0x80000000)
Uint32 = 0;
Hex2DlgText32(hDlg, IDC_LENGTH, Uint32);
return TRUE;
}
return FALSE;
}
static int OnCopyFileClick(HWND hDlg)
{
TFileTestData * pData = GetDialogData(hDlg);
DWORD dwErrCode;
// Get the source and target file
GetDlgItemText(hDlg, IDC_FILE_NAME1, pData->szFileName1, _countof(pData->szFileName1));
GetDlgItemText(hDlg, IDC_FILE_NAME2, pData->szFileName2, _countof(pData->szFileName2));
// Run the copy file dialog
dwErrCode = (DWORD)CopyFileDialog(hDlg, pData);
// Set the result
SetResultInfo(hDlg, RSI_LAST_ERROR, dwErrCode);
return TRUE;
}
static int OnMoveFileClick(HWND hDlg)
{
TFileTestData * pData = GetDialogData(hDlg);
DWORD dwErrCode = ERROR_SUCCESS;
SaveDialog(hDlg);
// Perform the rename
if(!MoveFileEx(pData->szFileName1, pData->szFileName2, pData->dwMoveFileFlags))
dwErrCode = GetLastError();
// Set the result
SetResultInfo(hDlg, RSI_LAST_ERROR, dwErrCode);
return TRUE;
}
static int OnCopyOptions(HWND hDlg)
{
TFileTestData * pData = GetDialogData(hDlg);
FlagsDialog(hDlg, &pData->dwCopyFileFlags, IDS_COPYFILE_FLAGS, CopyFileFlags);
return TRUE;
}
static int OnMoveOptions(HWND hDlg)
{
TFileTestData * pData = GetDialogData(hDlg);
FlagsDialog(hDlg, &pData->dwMoveFileFlags, IDS_MOVEFILE_FLAGS, MoveFileFlags);
return TRUE;
}
static int OnDeleteFileClick(HWND hDlg, UINT nIDCtrl)
{
TFileTestData * pData = GetDialogData(hDlg);
NTSTATUS Status;
DWORD dwErrCode = ERROR_SUCCESS;
// Save the dialog variables
SaveDialog(hDlg);
// Choose what exactly to do
switch(nIDCtrl)
{
case IDC_SIMPLE_DELETE:
if(!DeleteFile(pData->szFileName1))
dwErrCode = GetLastError();
SetResultInfo(hDlg, RSI_LAST_ERROR, dwErrCode);
break;
case IDC_FORCED_DELETE:
Status = ForceRemoveFile(pData->szFileName1);
SetResultInfo(hDlg, RSI_NTSTATUS, Status);
break;
default:
return TRUE;
}
UpdateDialogButtons(hDlg);
return TRUE;
}
static int OnDeleteFsObject(HWND hDlg, BOOLEAN RecursiveDelete)
{
TFileTestData * pData = GetDialogData(hDlg);
NTSTATUS Status;
// Save the dialog variables
SaveDialog(hDlg);
// Perform the delete
Status = RemoveFsObjectTree(pData->szFileName1, RecursiveDelete);
SetResultInfo(hDlg, RSI_NTSTATUS, Status);
return TRUE;
}
// Querying the file ID from the file itself
static int OnFileIdGetClick(HWND hDlg)
{
TFileTestData * pData = GetDialogData(hDlg);
OBJECT_ATTRIBUTES ObjAttr;
IO_STATUS_BLOCK IoStatus;
UNICODE_STRING FolderName = {0, 0, NULL};
UNICODE_STRING FileName = {0, 0, NULL};
ULARGE_INTEGER FileId = {0};
NTSTATUS Status = STATUS_SUCCESS;
HANDLE Handle = NULL;
TCHAR szFileID[MAX_FILEID_PATH];
BYTE InfoBuff[0x200];
// Convert the file name to the NT file name
if(NT_SUCCESS(Status))
{
SaveDialog(hDlg);
Status = FileNameToUnicodeString(&FolderName, pData->szFileName1);
}
// Get the directory name from the file name
if(NT_SUCCESS(Status))
{
PWSTR sz = FolderName.Buffer + (FolderName.Length / sizeof(WCHAR));
// Go back and find the last directory name
while(sz > FolderName.Buffer && sz[0] != L'\\')
sz--;
// Did we find it?
if(sz[0] == L'\\' && sz > FolderName.Buffer)
{
// Initialize the file name
sz = sz + 1;
RtlInitUnicodeString(&FileName, sz);
// Cut the folder name. Make sure that the ending backslash is there,
// because we don't want to open "\??\C:" instead of "\??\C:\"
FolderName.MaximumLength =
FolderName.Length = (USHORT)((sz - FolderName.Buffer) * sizeof(WCHAR));
// Attempt to open the folder and query the ID
InitializeObjectAttributes(&ObjAttr, &FolderName, OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = NtOpenFile(&Handle,
FILE_READ_DATA | SYNCHRONIZE,
&ObjAttr,
&IoStatus,
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_SYNCHRONOUS_IO_ALERT);
// If succeeded, we call for query directory on thet file
if(NT_SUCCESS(Status))
{
PFILE_ID_BOTH_DIR_INFORMATION pDirInfo = (PFILE_ID_BOTH_DIR_INFORMATION)InfoBuff;
Status = NtQueryDirectoryFile(Handle,
NULL,
NULL,
NULL,
&IoStatus,
pDirInfo,
sizeof(InfoBuff),
FileIdBothDirectoryInformation,
TRUE,
&FileName,
FALSE);
if(NT_SUCCESS(Status))
FileId.QuadPart = pDirInfo->FileId.QuadPart;
NtClose(Handle);
}
}
else
{
// Do it by Open - QueryID - Close
InitializeObjectAttributes(&ObjAttr, &FileName, OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = NtOpenFile(&Handle,
FILE_READ_ATTRIBUTES,
&ObjAttr,
&IoStatus,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
0);
if(NT_SUCCESS(Status))
{
PFILE_INTERNAL_INFORMATION pFileInfo = (PFILE_INTERNAL_INFORMATION)InfoBuff;
Status = NtQueryInformationFile(Handle,
&IoStatus,
pFileInfo,
sizeof(FILE_INTERNAL_INFORMATION),
FileInternalInformation);
if(NT_SUCCESS(Status))
FileId.QuadPart = pFileInfo->IndexNumber.QuadPart;
NtClose(Handle);
}
}
}
// Did we query the file ID just fine?
if(NT_SUCCESS(Status))
{
FileIDToString(pData, FileId.QuadPart, szFileID);
SetDlgItemText(hDlg, IDC_FILE_ID, szFileID);
}
// On the end, set the file ID
SetResultInfo(hDlg, RSI_NTSTATUS, Status);
FreeFileNameString(&FolderName);
return TRUE;
}
static int OnFileIDChange(HWND hDlg, UINT nIDEdit, UINT nIDButton)
{
HWND hWndButton = GetDlgItem(hDlg, nIDButton);
HWND hWndEdit = GetDlgItem(hDlg, nIDEdit);
BOOL bEnable = (GetWindowTextLength(hWndEdit) != 0);
EnableWindow(hWndButton, bEnable);
return TRUE;
}
static int OnFileIdUse(HWND hDlg, UINT nIDEdit)
{
TCHAR szFileId[0x100] = _T("");
// Retrieve the file ID or object ID from the edit box
GetDlgItemText(hDlg, nIDEdit, szFileId, _countof(szFileId));
NtUseFileId(hDlg, szFileId);
return TRUE;
}
static int OnObjectIdMoreClick(HWND hDlg)
{
TFileTestData * pData = GetDialogData(hDlg);
FILE_OBJECTID_BUFFER ObjId = {0};
UINT_PTR nAction;
HANDLE hFile = INVALID_HANDLE_VALUE;
TCHAR szObjectID[0x40];
DWORD dwFlagsAndAttributes = 0;
DWORD dwDesiredAccess = FILE_READ_ATTRIBUTES;
DWORD dwBytesReturned;
DWORD dwIoctlCode = FSCTL_CREATE_OR_GET_OBJECT_ID;
DWORD dwErrCode = ERROR_SUCCESS;
// Ask the user for the action
nAction = ObjectIDActionDialog(hDlg);
if(nAction == IDCANCEL)
return TRUE;
SaveDialog(hDlg);
// Use the proper desired access
// Note that we also need restore privilege in order to succeed
if(nAction == IDC_SET_OBJECT_ID)
{
dwFlagsAndAttributes = FILE_FLAG_BACKUP_SEMANTICS;
dwDesiredAccess = FILE_WRITE_DATA;
}
// Convert the file name to the NT file name
hFile = CreateFile(pData->szFileName1, dwDesiredAccess, 0, NULL, OPEN_EXISTING, dwFlagsAndAttributes, NULL);
if(hFile == INVALID_HANDLE_VALUE)
dwErrCode = GetLastError();
// Perform an action specific to
if(dwErrCode == ERROR_SUCCESS)
{
switch(nAction)
{
case IDC_CREATE_OR_GET:
case IDC_GET_OBJECT_ID:
if(nAction == IDC_GET_OBJECT_ID)
dwIoctlCode = FSCTL_GET_OBJECT_ID;
memset(&ObjId, 0, sizeof(FILE_OBJECTID_BUFFER));
if(DeviceIoControl(hFile, dwIoctlCode,
NULL,
0,
&ObjId,
sizeof(FILE_OBJECTID_BUFFER),
&dwBytesReturned,
NULL))