forked from microsoft/referencesource
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathUnsafeNativeMethods.cs
1325 lines (1034 loc) · 61.2 KB
/
UnsafeNativeMethods.cs
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
//------------------------------------------------------------------------------
// <copyright file="UnsafeNativeMethods.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web {
using System;
using System.Collections;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Runtime.ConstrainedExecution;
using System.Runtime.InteropServices;
using System.Security.Permissions;
using System.Text;
using System.Web.Configuration;
using System.Web.Hosting;
using System.Web.Util;
[
System.Runtime.InteropServices.ComVisible(false),
System.Security.SuppressUnmanagedCodeSecurityAttribute()
]
internal static class UnsafeNativeMethods {
static internal readonly IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
/*
* ADVAPI32.dll
*/
[DllImport(ModName.ADVAPI32_FULL_NAME)]
internal static extern int SetThreadToken(IntPtr threadref, IntPtr token);
[DllImport(ModName.ADVAPI32_FULL_NAME)]
internal static extern int RevertToSelf();
public const int TOKEN_ALL_ACCESS = 0x000f01ff;
public const int TOKEN_EXECUTE = 0x00020000;
public const int TOKEN_READ = 0x00020008;
public const int TOKEN_IMPERSONATE = 0x00000004;
public const int ERROR_NO_TOKEN = 1008;
[DllImport(ModName.ADVAPI32_FULL_NAME, SetLastError=true)]
internal static extern int OpenThreadToken(IntPtr thread, int access, bool openAsSelf, ref IntPtr hToken);
public const int OWNER_SECURITY_INFORMATION = 0x00000001;
public const int GROUP_SECURITY_INFORMATION = 0x00000002;
public const int DACL_SECURITY_INFORMATION = 0x00000004;
public const int SACL_SECURITY_INFORMATION = 0x00000008;
[DllImport(ModName.ADVAPI32_FULL_NAME, SetLastError=true, CharSet=CharSet.Unicode)]
internal static extern int GetFileSecurity(string filename, int requestedInformation, byte[] securityDescriptor, int length, ref int lengthNeeded);
[DllImport(ModName.ADVAPI32_FULL_NAME, SetLastError = true, CharSet = CharSet.Unicode)]
public static extern int LogonUser(String username, String domain, String password, int dwLogonType, int dwLogonProvider, ref IntPtr phToken);
[DllImport(ModName.ADVAPI32_FULL_NAME, SetLastError = true, CharSet = CharSet.Unicode)]
public extern static int ConvertStringSidToSid(string stringSid, out IntPtr pSid);
[DllImport(ModName.ADVAPI32_FULL_NAME, SetLastError = true, CharSet = CharSet.Unicode)]
public extern static int LookupAccountSid(string systemName, IntPtr pSid, StringBuilder szName, ref int nameSize, StringBuilder szDomain, ref int domainSize, ref int eUse);
/*
* ASPNET_STATE.EXE
*/
[DllImport(ModName.STATE_FULL_NAME)]
internal static extern void STWNDCloseConnection(IntPtr tracker);
[DllImport(ModName.STATE_FULL_NAME)]
internal static extern void STWNDDeleteStateItem(IntPtr stateItem);
[DllImport(ModName.STATE_FULL_NAME)]
internal static extern void STWNDEndOfRequest(IntPtr tracker);
[DllImport(ModName.STATE_FULL_NAME, CharSet=CharSet.Ansi, BestFitMapping=false)]
internal static extern void STWNDGetLocalAddress(IntPtr tracker, StringBuilder buf);
[DllImport(ModName.STATE_FULL_NAME)]
internal static extern int STWNDGetLocalPort(IntPtr tracker);
[DllImport(ModName.STATE_FULL_NAME, CharSet=CharSet.Ansi, BestFitMapping=false)]
internal static extern void STWNDGetRemoteAddress(IntPtr tracker, StringBuilder buf);
[DllImport(ModName.STATE_FULL_NAME)]
internal static extern int STWNDGetRemotePort(IntPtr tracker);
[DllImport(ModName.STATE_FULL_NAME)]
internal static extern bool STWNDIsClientConnected(IntPtr tracker);
[DllImport(ModName.STATE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern void STWNDSendResponse(IntPtr tracker, StringBuilder status, int statusLength,
StringBuilder headers, int headersLength, IntPtr unmanagedState);
/*
* KERNEL32.DLL
*/
internal const int FILE_ATTRIBUTE_READONLY = 0x00000001;
internal const int FILE_ATTRIBUTE_HIDDEN = 0x00000002;
internal const int FILE_ATTRIBUTE_SYSTEM = 0x00000004;
internal const int FILE_ATTRIBUTE_DIRECTORY = 0x00000010;
internal const int FILE_ATTRIBUTE_ARCHIVE = 0x00000020;
internal const int FILE_ATTRIBUTE_DEVICE = 0x00000040;
internal const int FILE_ATTRIBUTE_NORMAL = 0x00000080;
internal const int FILE_ATTRIBUTE_TEMPORARY = 0x00000100;
internal const int FILE_ATTRIBUTE_SPARSE_FILE = 0x00000200;
internal const int FILE_ATTRIBUTE_REPARSE_POINT = 0x00000400;
internal const int FILE_ATTRIBUTE_COMPRESSED = 0x00000800;
internal const int FILE_ATTRIBUTE_OFFLINE = 0x00001000;
internal const int FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x00002000;
internal const int FILE_ATTRIBUTE_ENCRYPTED = 0x00004000;
internal const int DELETE = 0x00010000;
internal const int READ_CONTROL = 0x00020000;
internal const int WRITE_DAC = 0x00040000;
internal const int WRITE_OWNER = 0x00080000;
internal const int SYNCHRONIZE = 0x00100000;
internal const int STANDARD_RIGHTS_REQUIRED = 0x000F0000;
internal const int STANDARD_RIGHTS_READ = READ_CONTROL;
internal const int STANDARD_RIGHTS_WRITE = READ_CONTROL;
internal const int STANDARD_RIGHTS_EXECUTE = READ_CONTROL;
internal const int GENERIC_READ = unchecked(((int)0x80000000));
internal const int STANDARD_RIGHTS_ALL = 0x001F0000;
internal const int SPECIFIC_RIGHTS_ALL = 0x0000FFFF;
internal const int FILE_SHARE_READ = 0x00000001;
internal const int FILE_SHARE_WRITE = 0x00000002;
internal const int FILE_SHARE_DELETE = 0x00000004;
internal const int OPEN_EXISTING = 3;
internal const int OPEN_ALWAYS = 4;
internal const int FILE_FLAG_WRITE_THROUGH = unchecked((int)0x80000000);
internal const int FILE_FLAG_OVERLAPPED = 0x40000000;
internal const int FILE_FLAG_NO_BUFFERING = 0x20000000;
internal const int FILE_FLAG_RANDOM_ACCESS = 0x10000000;
internal const int FILE_FLAG_SEQUENTIAL_SCAN = 0x08000000;
internal const int FILE_FLAG_DELETE_ON_CLOSE = 0x04000000;
internal const int FILE_FLAG_BACKUP_SEMANTICS = 0x02000000;
internal const int FILE_FLAG_POSIX_SEMANTICS = 0x01000000;
// Win32 Structs in N/Direct style
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Unicode)]
internal struct WIN32_FIND_DATA {
internal uint dwFileAttributes;
// ftCreationTime was a by-value FILETIME structure
internal uint ftCreationTime_dwLowDateTime ;
internal uint ftCreationTime_dwHighDateTime;
// ftLastAccessTime was a by-value FILETIME structure
internal uint ftLastAccessTime_dwLowDateTime;
internal uint ftLastAccessTime_dwHighDateTime;
// ftLastWriteTime was a by-value FILETIME structure
internal uint ftLastWriteTime_dwLowDateTime;
internal uint ftLastWriteTime_dwHighDateTime;
internal uint nFileSizeHigh;
internal uint nFileSizeLow;
internal uint dwReserved0;
internal uint dwReserved1;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst=260)]
internal string cFileName;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst=14)]
internal string cAlternateFileName;
}
[StructLayout(LayoutKind.Sequential)]
internal struct WIN32_FILE_ATTRIBUTE_DATA {
internal int fileAttributes;
internal uint ftCreationTimeLow;
internal uint ftCreationTimeHigh;
internal uint ftLastAccessTimeLow;
internal uint ftLastAccessTimeHigh;
internal uint ftLastWriteTimeLow;
internal uint ftLastWriteTimeHigh;
internal uint fileSizeHigh;
internal uint fileSizeLow;
}
[StructLayout(LayoutKind.Sequential)]
internal struct WIN32_BY_HANDLE_FILE_INFORMATION {
internal int fileAttributes;
internal uint ftCreationTimeLow;
internal uint ftCreationTimeHigh;
internal uint ftLastAccessTimeLow;
internal uint ftLastAccessTimeHigh;
internal uint ftLastWriteTimeLow;
internal uint ftLastWriteTimeHigh;
internal uint volumeSerialNumber;
internal uint fileSizeHigh;
internal uint fileSizeLow;
internal uint numberOfLinks;
internal uint fileIndexHigh;
internal uint fileIndexLow;
}
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int lstrlenW(IntPtr ptr);
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Ansi)]
internal static extern int lstrlenA(IntPtr ptr);
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet = CharSet.Unicode, SetLastError = true)]
internal static extern bool MoveFileEx(string oldFilename, string newFilename, UInt32 flags);
[DllImport(ModName.KERNEL32_FULL_NAME, SetLastError=true)]
internal static extern bool CloseHandle(IntPtr handle);
[DllImport(ModName.KERNEL32_FULL_NAME, SetLastError=true)]
internal static extern bool FindClose(IntPtr hndFindFile);
[DllImport(ModName.KERNEL32_FULL_NAME, SetLastError=true, CharSet=CharSet.Unicode)]
internal static extern IntPtr FindFirstFile(
string pFileName, out WIN32_FIND_DATA pFindFileData);
[DllImport(ModName.KERNEL32_FULL_NAME, SetLastError=true, CharSet=CharSet.Unicode)]
internal static extern bool FindNextFile(
IntPtr hndFindFile, out WIN32_FIND_DATA pFindFileData);
internal const int GetFileExInfoStandard = 0;
[DllImport(ModName.KERNEL32_FULL_NAME, SetLastError=true, CharSet=CharSet.Unicode)]
internal static extern bool GetFileAttributesEx(string name, int fileInfoLevel, out WIN32_FILE_ATTRIBUTE_DATA data);
#if !FEATURE_PAL // FEATURE_PAL native imports
[DllImport(ModName.KERNEL32_FULL_NAME)]
internal extern static int GetProcessAffinityMask(
IntPtr handle,
out IntPtr processAffinityMask,
out IntPtr systemAffinityMask);
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode)]
internal extern static int GetComputerName(StringBuilder nameBuffer, ref int bufferSize);
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode)]
internal /*public*/ extern static int GetModuleFileName(IntPtr module, StringBuilder filename, int size);
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode)]
internal /*public*/ extern static IntPtr GetModuleHandle(string moduleName);
[StructLayout(LayoutKind.Sequential, Pack=1)]
public struct SYSTEM_INFO {
public ushort wProcessorArchitecture;
public ushort wReserved;
public uint dwPageSize;
public IntPtr lpMinimumApplicationAddress;
public IntPtr lpMaximumApplicationAddress;
public IntPtr dwActiveProcessorMask;
public uint dwNumberOfProcessors;
public uint dwProcessorType;
public uint dwAllocationGranularity;
public ushort wProcessorLevel;
public ushort wProcessorRevision;
};
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern void GetSystemInfo(out SYSTEM_INFO si);
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode, SetLastError=true)]
internal static extern IntPtr LoadLibrary(string libFilename);
[DllImport(ModName.KERNEL32_FULL_NAME, SetLastError=true)]
internal static extern bool FreeLibrary(IntPtr hModule);
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode, SetLastError=true)]
internal static extern IntPtr FindResource(IntPtr hModule, IntPtr lpName, IntPtr lpType);
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode, SetLastError=true)]
internal static extern int SizeofResource(IntPtr hModule, IntPtr hResInfo);
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode, SetLastError=true)]
internal static extern IntPtr LoadResource(IntPtr hModule, IntPtr hResInfo);
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode, SetLastError=true)]
internal static extern IntPtr LockResource(IntPtr hResData);
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode)]
public extern static IntPtr LocalFree(IntPtr pMem);
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Unicode)]
internal struct MEMORYSTATUSEX {
internal int dwLength;
internal int dwMemoryLoad;
internal long ullTotalPhys;
internal long ullAvailPhys;
internal long ullTotalPageFile;
internal long ullAvailPageFile;
internal long ullTotalVirtual;
internal long ullAvailVirtual;
internal long ullAvailExtendedVirtual;
internal void Init() {
dwLength = Marshal.SizeOf(typeof(UnsafeNativeMethods.MEMORYSTATUSEX));
}
}
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode)]
internal extern static int GlobalMemoryStatusEx(ref MEMORYSTATUSEX memoryStatusEx);
#else // !FEATURE_PAL
internal static int GetProcessAffinityMask(
IntPtr handle,
out IntPtr processAffinityMask,
out IntPtr systemAffinityMask)
{
// ROTORTODO - PAL should supply GetProcessAffinityMask
// The only code that calls here is in SystemInfo::GetNumProcessCPUs and
// it fails graciously if we return 0
processAffinityMask = IntPtr.Zero;
systemAffinityMask = IntPtr.Zero;
return 0; // fail
}
internal static IntPtr GetModuleHandle(string moduleName)
{
// ROTORTODO
// So we never find any modules, so what? :-)
return IntPtr.Zero;
}
internal static int GlobalMemoryStatusEx(ref MEMORYSTATUSEX memoryStatusEx)
{
// ROTORTODO
// This API is called from two places in CacheMemoryTotalMemoryPressure
// Does it fail gracefully if the API fails?
return 0;
}
internal static void AppDomainRestart(string appId)
{
// ROTORTODO
// Do Nothing
}
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode, SetLastError=true, EntryPoint="PAL_GetUserTempDirectoryW")]
internal extern static bool GetUserTempDirectory(DeploymentDirectoryType ddt, StringBuilder sb, ref UInt32 length);
// The order should be the same as in rotor_pal.h
internal enum DeploymentDirectoryType
{
ddtInstallationDependentDirectory = 0,
ddtInstallationIndependentDirectory
}
[DllImport(ModName.KERNEL32_FULL_NAME, CharSet=CharSet.Unicode, SetLastError=true, EntryPoint="PAL_GetMachineConfigurationDirectoryW")]
internal extern static bool GetMachineConfigurationDirectory(StringBuilder sb, ref UInt32 length);
#endif // !FEATURE_PAL
[DllImport(ModName.KERNEL32_FULL_NAME)]
internal static extern IntPtr GetCurrentThread();
// http://msdn.microsoft.com/en-us/library/windows/desktop/aa366569(v=vs.85).aspx
[DllImport(ModName.KERNEL32_FULL_NAME, CallingConvention = CallingConvention.Winapi, SetLastError = true)]
internal static extern IntPtr GetProcessHeap();
// http://msdn.microsoft.com/en-us/library/windows/desktop/aa366701(v=vs.85).aspx
[DllImport(ModName.KERNEL32_FULL_NAME, CallingConvention = CallingConvention.Winapi, SetLastError = true)]
internal static extern bool HeapFree(
[In] IntPtr hHeap,
[In] uint dwFlags,
[In] IntPtr lpMem);
/*
* webengine.dll
*/
#if !FEATURE_PAL // FEATURE_PAL does not enable IIS-based hosting features
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode, BestFitMapping=false)]
internal static extern void AppDomainRestart(string appId);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int AspCompatProcessRequest(AspCompatCallback callback, [MarshalAs(UnmanagedType.Interface)] Object context, bool sharedActivity, int activityHash);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int AspCompatOnPageStart([MarshalAs(UnmanagedType.Interface)] Object obj);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int AspCompatOnPageEnd();
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int AspCompatIsApartmentComponent([MarshalAs(UnmanagedType.Interface)] Object obj);
#endif // !FEATURE_PAL
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int AttachDebugger(string clsId, string sessId, IntPtr userToken);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int ChangeAccessToKeyContainer(string containerName, string accountName, string csp, int options);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int CookieAuthParseTicket (byte [] pData,
int iDataLen,
StringBuilder szName,
int iNameLen,
StringBuilder szData,
int iUserDataLen,
StringBuilder szPath,
int iPathLen,
byte [] pBytes,
long [] pDates);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int CookieAuthConstructTicket (byte [] pData,
int iDataLen,
string szName,
string szData,
string szPath,
byte [] pBytes,
long [] pDates);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern IntPtr CreateUserToken(string name, string password, int fImpersonationToken, StringBuilder strError, int iErrorSize);
internal const uint FILE_NOTIFY_CHANGE_FILE_NAME = 0x00000001;
internal const uint FILE_NOTIFY_CHANGE_DIR_NAME = 0x00000002;
internal const uint FILE_NOTIFY_CHANGE_ATTRIBUTES = 0x00000004;
internal const uint FILE_NOTIFY_CHANGE_SIZE = 0x00000008;
internal const uint FILE_NOTIFY_CHANGE_LAST_WRITE = 0x00000010;
internal const uint FILE_NOTIFY_CHANGE_LAST_ACCESS = 0x00000020;
internal const uint FILE_NOTIFY_CHANGE_CREATION = 0x00000040;
internal const uint FILE_NOTIFY_CHANGE_SECURITY = 0x00000100;
internal const uint RDCW_FILTER_FILE_AND_DIR_CHANGES =
FILE_NOTIFY_CHANGE_FILE_NAME |
FILE_NOTIFY_CHANGE_DIR_NAME |
FILE_NOTIFY_CHANGE_CREATION |
FILE_NOTIFY_CHANGE_SIZE |
FILE_NOTIFY_CHANGE_LAST_WRITE |
FILE_NOTIFY_CHANGE_SECURITY;
internal const uint RDCW_FILTER_FILE_CHANGES =
FILE_NOTIFY_CHANGE_FILE_NAME |
FILE_NOTIFY_CHANGE_CREATION |
FILE_NOTIFY_CHANGE_SIZE |
FILE_NOTIFY_CHANGE_LAST_WRITE |
FILE_NOTIFY_CHANGE_SECURITY;
internal const uint RDCW_FILTER_DIR_RENAMES = FILE_NOTIFY_CHANGE_DIR_NAME;
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern void GetDirMonConfiguration(out int FCNMode);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern void DirMonClose(HandleRef dirMon, bool fNeedToDispose);
#if !FEATURE_PAL // FEATURE_PAL does not enable file change notification
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int DirMonOpen(string dir, string appId, bool watchSubtree, uint notifyFilter, int fcnMode, NativeFileChangeNotification callback, out IntPtr pCompletion);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int GrowFileNotificationBuffer( string appId, bool fWatchSubtree );
#endif // !FEATURE_PAL
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern void EcbFreeExecUrlEntityInfo(IntPtr pEntity);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetBasics(IntPtr pECB, byte[] buffer, int size, int[] contentInfo);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetBasicsContentInfo(IntPtr pECB, int[] contentInfo);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetTraceFlags(IntPtr pECB, int[] contentInfo);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet = CharSet.Unicode)]
internal static extern int EcbEmitSimpleTrace(IntPtr pECB, int type, string eventData);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet = CharSet.Unicode)]
internal static extern int EcbEmitWebEventTrace(
IntPtr pECB,
int webEventType,
int fieldCount,
string[] fieldNames,
int[] fieldTypes,
string[] fieldData);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetClientCertificate(IntPtr pECB, byte[] buffer, int size, int [] pInts, long [] pDates);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetExecUrlEntityInfo(int entityLength, byte[] entity, out IntPtr ppEntity);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetTraceContextId(IntPtr pECB, out Guid traceContextId);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Ansi, BestFitMapping=false)]
internal static extern int EcbGetServerVariable(IntPtr pECB, string name, byte[] buffer, int size);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetServerVariableByIndex(IntPtr pECB, int nameIndex, byte[] buffer, int size);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Ansi, BestFitMapping=false)]
internal static extern int EcbGetQueryString(IntPtr pECB, int encode, StringBuilder buffer, int size);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Ansi, BestFitMapping=false)]
internal static extern int EcbGetUnicodeServerVariable(IntPtr pECB, string name, IntPtr buffer, int size);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetUnicodeServerVariableByIndex(IntPtr pECB, int nameIndex, IntPtr buffer, int size);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetUnicodeServerVariables(IntPtr pECB, IntPtr buffer, int bufferSizeInChars, int[] serverVarLengths, int serverVarCount, int startIndex, ref int requiredSize);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetVersion(IntPtr pECB);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetQueryStringRawBytes(IntPtr pECB, byte[] buffer, int size);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetPreloadedPostedContent(IntPtr pECB, byte[] bytes, int offset, int bufferSize);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbGetAdditionalPostedContent(IntPtr pECB, byte[] bytes, int offset, int bufferSize);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbReadClientAsync(IntPtr pECB, int dwBytesToRead, AsyncCompletionCallback pfnCallback);
#if !FEATURE_PAL
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbFlushCore(IntPtr pECB,
byte[] status,
byte[] header,
int keepConnected,
int totalBodySize,
int numBodyFragments,
IntPtr[] bodyFragments,
int[] bodyFragmentLengths,
int doneWithSession,
int finalStatus,
int kernelCache,
int async,
ISAPIAsyncCompletionCallback asyncCompletionCallback);
#endif // !FEATURE_PAL
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbIsClientConnected(IntPtr pECB);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbCloseConnection(IntPtr pECB);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Ansi, BestFitMapping=false)]
internal static extern int EcbMapUrlToPath(IntPtr pECB, string url, byte[] buffer, int size);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern IntPtr EcbGetImpersonationToken(IntPtr pECB, IntPtr processHandle);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern IntPtr EcbGetVirtualPathToken(IntPtr pECB, IntPtr processHandle);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Ansi, BestFitMapping=false)]
internal static extern int EcbAppendLogParameter(IntPtr pECB, string logParam);
#if !FEATURE_PAL
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int EcbExecuteUrlUnicode(IntPtr pECB,
string url,
string method,
string childHeaders,
bool sendHeaders,
bool addUserIndo,
IntPtr token,
string name,
string authType,
IntPtr pEntity,
ISAPIAsyncCompletionCallback asyncCompletionCallback);
#endif // !FEATURE_PAL
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern void InvalidateKernelCache(string key);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern void FreeFileSecurityDescriptor(IntPtr securityDesciptor);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode, SetLastError=true)]
internal static extern IntPtr GetFileHandleForTransmitFile(string strFile);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern IntPtr GetFileSecurityDescriptor(string strFile);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int GetGroupsForUser(IntPtr token, StringBuilder allGroups, int allGrpSize, StringBuilder error, int errorSize);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int GetHMACSHA1Hash(byte[] data1, int dataOffset1, int dataSize1, byte[] data2, int dataSize2,
byte[] innerKey, int innerKeySize, byte[] outerKey, int outerKeySize,
byte[] hash, int hashSize);
#if !FEATURE_PAL
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int GetPrivateBytesIIS6(out long privatePageCount, bool nocache);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int GetProcessMemoryInformation(uint pid, out uint privatePageCount, out uint peakPagefileUsage, bool nocache);
#else // !FEATURE_PAL
internal static int GetProcessMemoryInformation(uint pid, out uint privatePageCount, out uint peakPagefileUsage, bool nocache)
{
// ROTORTODO
// called from CacheMemoryPrivateBytesPressure.GetCurrentPressure;
// returning 0 causes it to ignore memory pressure
privatePageCount = 0;
peakPagefileUsage = 0;
return 0;
}
#endif // !FEATURE_PAL
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int GetSHA1Hash(byte[] data, int dataSize,
byte[] hash, int hashSize);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int GetW3WPMemoryLimitInKB();
[DllImport(ModName.ENGINE_FULL_NAME)]
[SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage", Justification = "This isn't a dangerous method.")]
internal static extern void SetClrThreadPoolLimits(int maxWorkerThreads, int maxIoThreads, bool autoConfig);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern void SetMinRequestsExecutingToDetectDeadlock(int minRequestsExecutingToDetectDeadlock);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern void InitializeLibrary(bool reduceMaxThreads);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern void PerfCounterInitialize();
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern void InitializeHealthMonitor(int deadlockIntervalSeconds, int requestQueueLimit);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int IsAccessToFileAllowed(IntPtr securityDesciptor, IntPtr iThreadToken, int iAccess);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int IsUserInRole(IntPtr token, string rolename, StringBuilder error, int errorSize);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern void UpdateLastActivityTimeForHealthMonitor();
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode, BestFitMapping=false)]
internal static extern int GetCredentialFromRegistry(String strRegKey, StringBuilder buffer, int size);
[DllImport(ModName.ENGINE_FULL_NAME, BestFitMapping=false)]
internal static extern int EcbGetChannelBindingToken(IntPtr pECB, out IntPtr token, out int tokenSize);
/////////////////////////////////////////////////////////////////////////////
// List of functions supported by PMCallISAPI
//
// ATTENTION!!
// If you change this list, make sure it is in sync with the
// CallISAPIFunc enum in ecbdirect.h
//
internal enum CallISAPIFunc : int {
GetSiteServerComment = 1,
RestrictIISFolders = 2,
CreateTempDir = 3,
GetAutogenKeys = 4,
GenerateToken = 5
};
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int EcbCallISAPI(IntPtr pECB, UnsafeNativeMethods.CallISAPIFunc iFunction, byte[] bufferIn, int sizeIn, byte[] bufferOut, int sizeOut);
// Constants as defined in ndll.h
public const int RESTRICT_BIN =0x00000001;
/////////////////////////////////////////////////////////////////////////////
// Passport Auth
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int PassportVersion();
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportCreateHttpRaw(
string szRequestLine,
string szHeaders,
int fSecure,
StringBuilder szBufOut,
int dwRetBufSize,
ref IntPtr passportManager);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportTicket(
IntPtr pManager,
string szAttr,
out object pReturn);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportGetCurrentConfig(
IntPtr pManager,
string szAttr,
out object pReturn);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportLogoutURL(
IntPtr pManager,
string szReturnURL,
string szCOBrandArgs,
int iLangID,
string strDomain,
int iUseSecureAuth,
StringBuilder szAuthVal,
int iAuthValSize);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportGetOption(
IntPtr pManager,
string szOption,
out Object vOut);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportSetOption(
IntPtr pManager,
string szOption,
Object vOut);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportGetLoginChallenge(
IntPtr pManager,
string szRetURL,
int iTimeWindow,
int fForceLogin,
string szCOBrandArgs,
int iLangID,
string strNameSpace,
int iKPP,
int iUseSecureAuth,
object vExtraParams,
StringBuilder szOut,
int iOutSize);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportHexPUID(
IntPtr pManager,
StringBuilder szOut,
int iOutSize);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportCreate (string szQueryStrT,
string szQueryStrP,
string szAuthCookie,
string szProfCookie,
string szProfCCookie,
StringBuilder szAuthCookieRet,
StringBuilder szProfCookieRet,
int iRetBufSize,
ref IntPtr passportManager);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportAuthURL (
IntPtr iPassport,
string szReturnURL,
int iTimeWindow,
int fForceLogin,
string szCOBrandArgs,
int iLangID,
string strNameSpace,
int iKPP,
int iUseSecureAuth,
StringBuilder szAuthVal,
int iAuthValSize);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportAuthURL2 (
IntPtr iPassport,
string szReturnURL,
int iTimeWindow,
int fForceLogin,
string szCOBrandArgs,
int iLangID,
string strNameSpace,
int iKPP,
int iUseSecureAuth,
StringBuilder szAuthVal,
int iAuthValSize);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportGetError(IntPtr iPassport);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportDomainFromMemberName (
IntPtr iPassport,
string szDomain,
StringBuilder szMember,
int iMemberSize);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int PassportGetFromNetworkServer (IntPtr iPassport);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportGetDomainAttribute (
IntPtr iPassport,
string szAttributeName,
int iLCID,
string szDomain,
StringBuilder szValue,
int iValueSize);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportHasProfile (
IntPtr iPassport,
string szProfile);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportHasFlag (
IntPtr iPassport,
int iFlagMask);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportHasConsent (
IntPtr iPassport,
int iFullConsent,
int iNeedBirthdate);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportGetHasSavedPassword (IntPtr iPassport);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportHasTicket (IntPtr iPassport);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportIsAuthenticated (
IntPtr iPassport,
int iTimeWindow,
int fForceLogin,
int iUseSecureAuth);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportLogoTag (
IntPtr iPassport,
string szRetURL,
int iTimeWindow,
int fForceLogin,
string szCOBrandArgs,
int iLangID,
int fSecure,
string strNameSpace,
int iKPP,
int iUseSecureAuth,
StringBuilder szValue,
int iValueSize);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportLogoTag2 (
IntPtr iPassport,
string szRetURL,
int iTimeWindow,
int fForceLogin,
string szCOBrandArgs,
int iLangID,
int fSecure,
string strNameSpace,
int iKPP,
int iUseSecureAuth,
StringBuilder szValue,
int iValueSize);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportGetProfile (
IntPtr iPassport,
string szProfile,
out Object rOut);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportGetTicketAge(IntPtr iPassport);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportGetTimeSinceSignIn(IntPtr iPassport);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern void PassportDestroy(IntPtr iPassport);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportCrypt(
int iFunctionID,
string szSrc,
StringBuilder szDest,
int iDestLength);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern int PassportCryptPut(
int iFunctionID,
string szSrc);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int PassportCryptIsValid();
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int PostThreadPoolWorkItem(WorkItemCallback callback);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode)]
internal static extern IntPtr InstrumentedMutexCreate(string name);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern void InstrumentedMutexDelete(HandleRef mutex);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int InstrumentedMutexGetLock(HandleRef mutex, int timeout);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern int InstrumentedMutexReleaseLock(HandleRef mutex);
[DllImport(ModName.ENGINE_FULL_NAME)]
internal static extern void InstrumentedMutexSetState(HandleRef mutex, int state);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode, BestFitMapping=false)]
internal static extern int IsapiAppHostMapPath(String appId, String virtualPath, StringBuilder buffer, int size);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode, BestFitMapping=false)]
internal static extern int IsapiAppHostGetAppPath(String aboPath, StringBuilder buffer, int size);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode, BestFitMapping=false)]
internal static extern int IsapiAppHostGetUncUser(String appId, StringBuilder usernameBuffer, int usernameSize, StringBuilder passwordBuffer, int passwordSize);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode, BestFitMapping=false)]
internal static extern int IsapiAppHostGetSiteName(String appId, StringBuilder buffer, int size);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode, BestFitMapping=false)]
internal static extern int IsapiAppHostGetSiteId(String site, StringBuilder buffer, int size);
[DllImport(ModName.ENGINE_FULL_NAME, CharSet=CharSet.Unicode, BestFitMapping=false)]
internal static extern int IsapiAppHostGetNextVirtualSubdir(String aboPath, bool inApp, ref int index, StringBuilder sb, int size);
[DllImport(ModName.ENGINE_FULL_NAME, BestFitMapping=false)]
internal static extern IntPtr BufferPoolGetPool(int bufferSize, int maxFreeListCount);
[DllImport(ModName.ENGINE_FULL_NAME, BestFitMapping=false)]
internal static extern IntPtr BufferPoolGetBuffer(IntPtr pool);
[DllImport(ModName.ENGINE_FULL_NAME, BestFitMapping=false)]
internal static extern void BufferPoolReleaseBuffer(IntPtr buffer);
/*
* ASPNET_WP.EXE
*/
[DllImport(ModName.WP_FULL_NAME, EntryPoint="PMGetTraceContextId")]
internal static extern int PMGetTraceContextId(IntPtr pMsg, out Guid traceContextId);
[DllImport(ModName.WP_FULL_NAME, EntryPoint="PMGetHistoryTable")]
internal static extern int PMGetHistoryTable (int iRows,
int [] dwPIDArr,
int [] dwReqExecuted,
int [] dwReqPending,
int [] dwReqExecuting,
int [] dwReasonForDeath,
int [] dwPeakMemoryUsed,
long [] tmCreateTime,
long [] tmDeathTime);
[DllImport(ModName.WP_FULL_NAME, EntryPoint="PMGetCurrentProcessInfo")]
internal static extern int PMGetCurrentProcessInfo (ref int dwReqExecuted,
ref int dwReqExecuting,
ref int dwPeakMemoryUsed,
ref long tmCreateTime,
ref int pid);
[DllImport(ModName.WP_FULL_NAME, EntryPoint="PMGetMemoryLimitInMB")]
internal static extern int PMGetMemoryLimitInMB ();
[DllImport(ModName.WP_FULL_NAME, EntryPoint="PMGetBasics")]
internal static extern int PMGetBasics(IntPtr pMsg, byte[] buffer, int size, int[] contentInfo);
[DllImport(ModName.WP_FULL_NAME)]
internal static extern int PMGetClientCertificate(IntPtr pMsg, byte[] buffer, int size, int [] pInts, long [] pDates);
[DllImport(ModName.WP_FULL_NAME)]
internal static extern long PMGetStartTimeStamp(IntPtr pMsg);