ReactOS 0.4.15-dev-8417-gb6b82fe
query.c File Reference
#include <ntoskrnl.h>
#include <debug.h>
Include dependency graph for query.c:

Go to the source code of this file.

Macros

#define NDEBUG
 

Functions

NTSTATUS NTAPI PsReferenceProcessFilePointer (IN PEPROCESS Process, OUT PFILE_OBJECT *FileObject)
 
NTSTATUS NTAPI NtQueryInformationProcess (_In_ HANDLE ProcessHandle, _In_ PROCESSINFOCLASS ProcessInformationClass, _Out_ PVOID ProcessInformation, _In_ ULONG ProcessInformationLength, _Out_opt_ PULONG ReturnLength)
 
NTSTATUS NTAPI NtSetInformationProcess (IN HANDLE ProcessHandle, IN PROCESSINFOCLASS ProcessInformationClass, IN PVOID ProcessInformation, IN ULONG ProcessInformationLength)
 
NTSTATUS NTAPI NtSetInformationThread (IN HANDLE ThreadHandle, IN THREADINFOCLASS ThreadInformationClass, IN PVOID ThreadInformation, IN ULONG ThreadInformationLength)
 
NTSTATUS NTAPI NtQueryInformationThread (IN HANDLE ThreadHandle, IN THREADINFOCLASS ThreadInformationClass, OUT PVOID ThreadInformation, IN ULONG ThreadInformationLength, OUT PULONG ReturnLength OPTIONAL)
 

Variables

ULONG PspTraceLevel = 0
 

Macro Definition Documentation

◆ NDEBUG

#define NDEBUG

Definition at line 14 of file query.c.

Function Documentation

◆ NtQueryInformationProcess()

NTSTATUS NTAPI NtQueryInformationProcess ( _In_ HANDLE  ProcessHandle,
_In_ PROCESSINFOCLASS  ProcessInformationClass,
_Out_ PVOID  ProcessInformation,
_In_ ULONG  ProcessInformationLength,
_Out_opt_ PULONG  ReturnLength 
)

Definition at line 59 of file query.c.

65{
69 ULONG Length = 0;
70 HANDLE DebugPort = 0;
71 PPROCESS_BASIC_INFORMATION ProcessBasicInfo =
72 (PPROCESS_BASIC_INFORMATION)ProcessInformation;
73 PKERNEL_USER_TIMES ProcessTime = (PKERNEL_USER_TIMES)ProcessInformation;
74 ULONG UserTime, KernelTime;
75 PPROCESS_PRIORITY_CLASS PsPriorityClass = (PPROCESS_PRIORITY_CLASS)ProcessInformation;
76 ULONG HandleCount;
78 (PPROCESS_SESSION_INFORMATION)ProcessInformation;
79 PVM_COUNTERS VmCounters = (PVM_COUNTERS)ProcessInformation;
80 PIO_COUNTERS IoCounters = (PIO_COUNTERS)ProcessInformation;
81 PQUOTA_LIMITS QuotaLimits = (PQUOTA_LIMITS)ProcessInformation;
83 ULONG Cookie, ExecuteOptions = 0;
84 ULONG_PTR Wow64 = 0;
85 PROCESS_VALUES ProcessValues;
87 PAGED_CODE();
88
89 /* Verify Information Class validity */
90 Status = DefaultQueryInfoBufferCheck(ProcessInformationClass,
94 ProcessInformation,
95 ProcessInformationLength,
97 NULL,
99 if (!NT_SUCCESS(Status))
100 {
101 DPRINT1("NtQueryInformationProcess(): Information verification class failed! (Status -> 0x%lx, ProcessInformationClass -> %lx)\n", Status, ProcessInformationClass);
102 return Status;
103 }
104
105 if (((ProcessInformationClass == ProcessCookie) ||
106 (ProcessInformationClass == ProcessImageInformation)) &&
108 {
109 /*
110 * Retrieving the process cookie is only allowed for the calling process
111 * itself! XP only allows NtCurrentProcess() as process handles even if
112 * a real handle actually represents the current process.
113 */
115 }
116
117 /* Check the information class */
118 switch (ProcessInformationClass)
119 {
120 /* Basic process information */
122
123 if (ProcessInformationLength != sizeof(PROCESS_BASIC_INFORMATION))
124 {
126 break;
127 }
128
129 /* Set return length */
131
132 /* Reference the process */
137 (PVOID*)&Process,
138 NULL);
139 if (!NT_SUCCESS(Status)) break;
140
141 /* Protect writes with SEH */
143 {
144 /* Write all the information from the EPROCESS/KPROCESS */
145 ProcessBasicInfo->ExitStatus = Process->ExitStatus;
146 ProcessBasicInfo->PebBaseAddress = Process->Peb;
147 ProcessBasicInfo->AffinityMask = Process->Pcb.Affinity;
148 ProcessBasicInfo->UniqueProcessId = (ULONG_PTR)Process->
149 UniqueProcessId;
150 ProcessBasicInfo->InheritedFromUniqueProcessId =
151 (ULONG_PTR)Process->InheritedFromUniqueProcessId;
152 ProcessBasicInfo->BasePriority = Process->Pcb.BasePriority;
153
154 }
156 {
157 /* Get exception code */
159 }
160 _SEH2_END;
161
162 /* Dereference the process */
164 break;
165
166 /* Process quota limits */
168
169 if (ProcessInformationLength != sizeof(QUOTA_LIMITS))
170 {
172 break;
173 }
174
175 Length = sizeof(QUOTA_LIMITS);
176
177 /* Reference the process */
182 (PVOID*)&Process,
183 NULL);
184 if (!NT_SUCCESS(Status)) break;
185
186 /* Indicate success */
188
190 {
191 /* Set max/min working set sizes */
192 QuotaLimits->MaximumWorkingSetSize =
193 Process->Vm.MaximumWorkingSetSize << PAGE_SHIFT;
194 QuotaLimits->MinimumWorkingSetSize =
195 Process->Vm.MinimumWorkingSetSize << PAGE_SHIFT;
196
197 /* Set default time limits */
198 QuotaLimits->TimeLimit.LowPart = MAXULONG;
199 QuotaLimits->TimeLimit.HighPart = MAXULONG;
200
201 /* Is quota block a default one? */
202 if (Process->QuotaBlock == &PspDefaultQuotaBlock)
203 {
204 /* Set default pools and pagefile limits */
205 QuotaLimits->PagedPoolLimit = (SIZE_T)-1;
206 QuotaLimits->NonPagedPoolLimit = (SIZE_T)-1;
207 QuotaLimits->PagefileLimit = (SIZE_T)-1;
208 }
209 else
210 {
211 /* Get limits from non-default quota block */
212 QuotaLimits->PagedPoolLimit =
213 Process->QuotaBlock->QuotaEntry[PsPagedPool].Limit;
214 QuotaLimits->NonPagedPoolLimit =
215 Process->QuotaBlock->QuotaEntry[PsNonPagedPool].Limit;
216 QuotaLimits->PagefileLimit =
217 Process->QuotaBlock->QuotaEntry[PsPageFile].Limit;
218 }
219 }
221 {
222 /* Get exception code */
224 }
225 _SEH2_END;
226
227 /* Dereference the process */
229 break;
230
232
233 if (ProcessInformationLength != sizeof(IO_COUNTERS))
234 {
236 break;
237 }
238
239 Length = sizeof(IO_COUNTERS);
240
241 /* Reference the process */
246 (PVOID*)&Process,
247 NULL);
248 if (!NT_SUCCESS(Status)) break;
249
250 /* Query IO counters from the process */
251 KeQueryValuesProcess(&Process->Pcb, &ProcessValues);
252
254 {
255 RtlCopyMemory(IoCounters, &ProcessValues.IoInfo, sizeof(IO_COUNTERS));
256 }
258 {
259 /* Ignore exception */
260 }
261 _SEH2_END;
262
263 /* Set status to success in any case */
265
266 /* Dereference the process */
268 break;
269
270 /* Timing */
271 case ProcessTimes:
272
273 /* Set the return length */
274 if (ProcessInformationLength != sizeof(KERNEL_USER_TIMES))
275 {
277 break;
278 }
279
280 Length = sizeof(KERNEL_USER_TIMES);
281
282 /* Reference the process */
287 (PVOID*)&Process,
288 NULL);
289 if (!NT_SUCCESS(Status)) break;
290
291 /* Protect writes with SEH */
293 {
294 /* Copy time information from EPROCESS/KPROCESS */
295 KernelTime = KeQueryRuntimeProcess(&Process->Pcb, &UserTime);
296 ProcessTime->CreateTime = Process->CreateTime;
298 ProcessTime->KernelTime.QuadPart = (LONGLONG)KernelTime * KeMaximumIncrement;
299 ProcessTime->ExitTime = Process->ExitTime;
300 }
302 {
303 /* Get exception code */
305 }
306 _SEH2_END;
307
308 /* Dereference the process */
310 break;
311
312 /* Process Debug Port */
313 case ProcessDebugPort:
314
315 if (ProcessInformationLength != sizeof(HANDLE))
316 {
318 break;
319 }
320
321 /* Set return length */
322 Length = sizeof(HANDLE);
323
324 /* Reference the process */
329 (PVOID*)&Process,
330 NULL);
331 if (!NT_SUCCESS(Status)) break;
332
333 /* Protect write with SEH */
335 {
336 /* Return whether or not we have a debug port */
337 *(PHANDLE)ProcessInformation = (Process->DebugPort ?
338 (HANDLE)-1 : NULL);
339 }
341 {
342 /* Get exception code */
344 }
345 _SEH2_END;
346
347 /* Dereference the process */
349 break;
350
352
353 if (ProcessInformationLength != sizeof(ULONG))
354 {
356 break;
357 }
358
359 /* Set the return length*/
360 Length = sizeof(ULONG);
361
362 /* Reference the process */
367 (PVOID*)&Process,
368 NULL);
369 if (!NT_SUCCESS(Status)) break;
370
371 /* Count the number of handles this process has */
372 HandleCount = ObGetProcessHandleCount(Process);
373
374 /* Protect write in SEH */
376 {
377 /* Return the count of handles */
378 *(PULONG)ProcessInformation = HandleCount;
379 }
381 {
382 /* Get the exception code */
384 }
385 _SEH2_END;
386
387 /* Dereference the process */
389 break;
390
391 /* Session ID for the process */
393
394 if (ProcessInformationLength != sizeof(PROCESS_SESSION_INFORMATION))
395 {
397 break;
398 }
399
400 /* Set the return length*/
402
403 /* Reference the process */
408 (PVOID*)&Process,
409 NULL);
410 if (!NT_SUCCESS(Status)) break;
411
412 /* Enter SEH for write safety */
414 {
415 /* Write back the Session ID */
417 }
419 {
420 /* Get the exception code */
422 }
423 _SEH2_END;
424
425 /* Dereference the process */
427 break;
428
429 /* Virtual Memory Statistics */
431
432 /* Validate the input length */
433 if ((ProcessInformationLength != sizeof(VM_COUNTERS)) &&
434 (ProcessInformationLength != sizeof(VM_COUNTERS_EX)))
435 {
437 break;
438 }
439
440 /* Reference the process */
445 (PVOID*)&Process,
446 NULL);
447 if (!NT_SUCCESS(Status)) break;
448
449 /* Enter SEH for write safety */
451 {
452 /* Return data from EPROCESS */
453 VmCounters->PeakVirtualSize = Process->PeakVirtualSize;
454 VmCounters->VirtualSize = Process->VirtualSize;
455 VmCounters->PageFaultCount = Process->Vm.PageFaultCount;
456 VmCounters->PeakWorkingSetSize = Process->Vm.PeakWorkingSetSize;
457 VmCounters->WorkingSetSize = Process->Vm.WorkingSetSize;
458 VmCounters->QuotaPeakPagedPoolUsage = Process->QuotaPeak[PsPagedPool];
459 VmCounters->QuotaPagedPoolUsage = Process->QuotaUsage[PsPagedPool];
460 VmCounters->QuotaPeakNonPagedPoolUsage = Process->QuotaPeak[PsNonPagedPool];
461 VmCounters->QuotaNonPagedPoolUsage = Process->QuotaUsage[PsNonPagedPool];
462 VmCounters->PagefileUsage = Process->QuotaUsage[PsPageFile] << PAGE_SHIFT;
463 VmCounters->PeakPagefileUsage = Process->QuotaPeak[PsPageFile] << PAGE_SHIFT;
464 //VmCounters->PrivateUsage = Process->CommitCharge << PAGE_SHIFT;
465 //
466
467 /* Set the return length */
468 Length = ProcessInformationLength;
469 }
471 {
472 /* Get the exception code */
474 }
475 _SEH2_END;
476
477 /* Dereference the process */
479 break;
480
481 /* Hard Error Processing Mode */
483
484 if (ProcessInformationLength != sizeof(ULONG))
485 {
487 break;
488 }
489
490 /* Set the return length*/
491 Length = sizeof(ULONG);
492
493 /* Reference the process */
498 (PVOID*)&Process,
499 NULL);
500 if (!NT_SUCCESS(Status)) break;
501
502 /* Enter SEH for writing back data */
504 {
505 /* Write the current processing mode */
506 *(PULONG)ProcessInformation = Process->
507 DefaultHardErrorProcessing;
508 }
510 {
511 /* Get the exception code */
513 }
514 _SEH2_END;
515
516 /* Dereference the process */
518 break;
519
520 /* Priority Boosting status */
522
523 if (ProcessInformationLength != sizeof(ULONG))
524 {
526 break;
527 }
528
529 /* Set the return length */
530 Length = sizeof(ULONG);
531
532 /* Reference the process */
537 (PVOID*)&Process,
538 NULL);
539 if (!NT_SUCCESS(Status)) break;
540
541 /* Enter SEH for writing back data */
543 {
544 /* Return boost status */
545 *(PULONG)ProcessInformation = Process->Pcb.DisableBoost ?
546 TRUE : FALSE;
547 }
549 {
550 /* Get the exception code */
552 }
553 _SEH2_END;
554
555 /* Dereference the process */
557 break;
558
559 /* DOS Device Map */
560 case ProcessDeviceMap:
561
562 if (ProcessInformationLength == sizeof(PROCESS_DEVICEMAP_INFORMATION_EX))
563 {
564 /* Protect read in SEH */
566 {
567 PPROCESS_DEVICEMAP_INFORMATION_EX DeviceMapEx = ProcessInformation;
568
569 Flags = DeviceMapEx->Flags;
570 }
572 {
573 /* Get the exception code */
575 _SEH2_YIELD(break);
576 }
577 _SEH2_END;
578
579 /* Only one flag is supported and it needs LUID mappings */
580 if ((Flags & ~PROCESS_LUID_DOSDEVICES_ONLY) != 0 ||
582 {
584 break;
585 }
586 }
587 else
588 {
589 /* This has to be the size of the Query union field for x64 compatibility! */
590 if (ProcessInformationLength != RTL_FIELD_SIZE(PROCESS_DEVICEMAP_INFORMATION, Query))
591 {
593 break;
594 }
595
596 /* No flags for standard call */
597 Flags = 0;
598 }
599
600 /* Set the return length */
601 Length = ProcessInformationLength;
602
603 /* Reference the process */
608 (PVOID*)&Process,
609 NULL);
610 if (!NT_SUCCESS(Status)) break;
611
612 /* Query the device map information */
614 ProcessInformation,
615 Flags);
616
617 /* Dereference the process */
619 break;
620
621 /* Priority class */
623
624 if (ProcessInformationLength != sizeof(PROCESS_PRIORITY_CLASS))
625 {
627 break;
628 }
629
630 /* Set the return length*/
632
633 /* Reference the process */
638 (PVOID*)&Process,
639 NULL);
640 if (!NT_SUCCESS(Status)) break;
641
642 /* Enter SEH for writing back data */
644 {
645 /* Return current priority class */
646 PsPriorityClass->PriorityClass = Process->PriorityClass;
647 PsPriorityClass->Foreground = FALSE;
648 }
650 {
651 /* Get the exception code */
653 }
654 _SEH2_END;
655
656 /* Dereference the process */
658 break;
659
661
662 /* Reference the process */
667 (PVOID*)&Process,
668 NULL);
669 if (!NT_SUCCESS(Status)) break;
670
671 /* Get the image path */
673 if (NT_SUCCESS(Status))
674 {
675 /* Set return length */
676 Length = ImageName->MaximumLength +
678
679 /* Make sure it's large enough */
680 if (Length <= ProcessInformationLength)
681 {
682 /* Enter SEH to protect write */
684 {
685 /* Copy it */
686 RtlCopyMemory(ProcessInformation,
687 ImageName,
688 Length);
689
690 /* Update pointer */
691 ((PUNICODE_STRING)ProcessInformation)->Buffer =
692 (PWSTR)((PUNICODE_STRING)ProcessInformation + 1);
693 }
695 {
696 /* Get the exception code */
698 }
699 _SEH2_END;
700 }
701 else
702 {
703 /* Buffer too small */
705 }
706
707 /* Free the image path */
709 }
710 /* Dereference the process */
712 break;
713
715
716 if (ProcessInformationLength != sizeof(ULONG))
717 {
719 break;
720 }
721
722 /* Set the return length*/
723 Length = sizeof(ULONG);
724
725 /* Reference the process */
730 (PVOID*)&Process,
731 NULL);
732 if (!NT_SUCCESS(Status)) break;
733
734 /* Enter SEH for writing back data */
736 {
737 /* Return the debug flag state */
738 *(PULONG)ProcessInformation = Process->NoDebugInherit ? 0 : 1;
739 }
741 {
742 /* Get the exception code */
744 }
745 _SEH2_END;
746
747 /* Dereference the process */
749 break;
750
752
753 if (ProcessInformationLength != sizeof(ULONG))
754 {
756 break;
757 }
758
759 /* Set the return length */
760 Length = sizeof(ULONG);
761
762 /* Reference the process */
767 (PVOID*)&Process,
768 NULL);
769 if (!NT_SUCCESS(Status)) break;
770
771 /* Enter SEH for writing back data */
773 {
774 /* Return the BreakOnTermination state */
775 *(PULONG)ProcessInformation = Process->BreakOnTermination;
776 }
778 {
779 /* Get the exception code */
781 }
782 _SEH2_END;
783
784 /* Dereference the process */
786 break;
787
788 /* Per-process security cookie */
789 case ProcessCookie:
790
791 if (ProcessInformationLength != sizeof(ULONG))
792 {
793 /* Length size wrong, bail out */
795 break;
796 }
797
798 /* Get the current process and cookie */
800 Cookie = Process->Cookie;
801 if (!Cookie)
802 {
803 LARGE_INTEGER SystemTime;
804 ULONG NewCookie;
805 PKPRCB Prcb;
806
807 /* Generate a new cookie */
808 KeQuerySystemTime(&SystemTime);
809 Prcb = KeGetCurrentPrcb();
810 NewCookie = Prcb->KeSystemCalls ^ Prcb->InterruptTime ^
811 SystemTime.u.LowPart ^ SystemTime.u.HighPart;
812
813 /* Set the new cookie or return the current one */
815 NewCookie,
816 Cookie);
817 if (!Cookie) Cookie = NewCookie;
818
819 /* Set return length */
820 Length = sizeof(ULONG);
821 }
822
823 /* Indicate success */
825
826 /* Enter SEH to protect write */
828 {
829 /* Write back the cookie */
830 *(PULONG)ProcessInformation = Cookie;
831 }
833 {
834 /* Get the exception code */
836 }
837 _SEH2_END;
838 break;
839
841
842 if (ProcessInformationLength != sizeof(SECTION_IMAGE_INFORMATION))
843 {
844 /* Break out */
846 break;
847 }
848
849 /* Set the length required and validate it */
851
852 /* Enter SEH to protect write */
854 {
856 }
858 {
859 /* Get the exception code */
861 }
862 _SEH2_END;
863
864 /* Indicate success */
866 break;
867
869
870 if (ProcessInformationLength != sizeof(HANDLE))
871 {
873 break;
874 }
875
876 /* Set the return length */
877 Length = sizeof(HANDLE);
878
879 /* Reference the process */
884 (PVOID*)&Process,
885 NULL);
886 if (!NT_SUCCESS(Status)) break;
887
888 /* Get the debug port */
890
891 /* Let go of the process */
893
894 /* Protect write in SEH */
896 {
897 /* Return debug port's handle */
898 *(PHANDLE)ProcessInformation = DebugPort;
899 }
901 {
902 /* Get the exception code */
904 }
905 _SEH2_END;
906 break;
907
909 DPRINT1("Handle tracing Not implemented: %lx\n", ProcessInformationClass);
911 break;
912
914
915 if (ProcessInformationLength != sizeof(ULONG))
916 {
918 break;
919 }
920
921 /* Set the return length */
922 Length = sizeof(ULONG);
923
924 /* Indicate success */
926
927 /* Protect write in SEH */
929 {
930 /* Query Ob */
931 *(PULONG)ProcessInformation = ObIsLUIDDeviceMapsEnabled();
932 }
934 {
935 /* Get the exception code */
937 }
938 _SEH2_END;
939 break;
940
942
943 if (ProcessInformationLength != sizeof(ULONG))
944 {
946 break;
947 }
948
949 /* Set the return length */
950 Length = sizeof(ULONG);
951
952 /* Reference the process */
957 (PVOID*)&Process,
958 NULL);
959 if (!NT_SUCCESS(Status)) break;
960
961 /* Protect write in SEH */
963 {
964 /* Return if the flag is set */
965 *(PULONG)ProcessInformation = (ULONG)Process->VdmAllowed;
966 }
968 {
969 /* Get the exception code */
971 }
972 _SEH2_END;
973
974 /* Dereference the process */
976 break;
977
979
980 if (ProcessInformationLength != sizeof(ULONG_PTR))
981 {
983 break;
984 }
985
986 /* Set return length */
987 Length = sizeof(ULONG_PTR);
988
989 /* Reference the process */
994 (PVOID*)&Process,
995 NULL);
996 if (!NT_SUCCESS(Status)) break;
997
998 /* Make sure the process isn't dying */
999 if (ExAcquireRundownProtection(&Process->RundownProtect))
1000 {
1001 /* Get the WOW64 process structure */
1002#ifdef _WIN64
1003 Wow64 = (ULONG_PTR)Process->Wow64Process;
1004#else
1005 Wow64 = 0;
1006#endif
1007 /* Release the lock */
1008 ExReleaseRundownProtection(&Process->RundownProtect);
1009 }
1010
1011 /* Protect write with SEH */
1012 _SEH2_TRY
1013 {
1014 /* Return whether or not we have a debug port */
1015 *(PULONG_PTR)ProcessInformation = Wow64;
1016 }
1018 {
1019 /* Get exception code */
1021 }
1022 _SEH2_END;
1023
1024 /* Dereference the process */
1026 break;
1027
1029
1030 if (ProcessInformationLength != sizeof(ULONG))
1031 {
1033 break;
1034 }
1035
1036 /* Set return length */
1037 Length = sizeof(ULONG);
1038
1040 {
1042 }
1043
1044 /* Get the options */
1045 Status = MmGetExecuteOptions(&ExecuteOptions);
1046 if (NT_SUCCESS(Status))
1047 {
1048 /* Protect write with SEH */
1049 _SEH2_TRY
1050 {
1051 /* Return them */
1052 *(PULONG)ProcessInformation = ExecuteOptions;
1053 }
1055 {
1056 /* Get exception code */
1058 }
1059 _SEH2_END;
1060 }
1061 break;
1062
1064 DPRINT1("VDM/16-bit not implemented: %lx\n", ProcessInformationClass);
1066 break;
1067
1069 DPRINT1("WS Watch Not implemented: %lx\n", ProcessInformationClass);
1071 break;
1072
1074 DPRINT1("Pool limits Not implemented: %lx\n", ProcessInformationClass);
1076 break;
1077
1078 /* Not supported by Server 2003 */
1079 default:
1080 DPRINT1("Unsupported info class: %lx\n", ProcessInformationClass);
1082 }
1083
1084 /* Protect write with SEH */
1085 _SEH2_TRY
1086 {
1087 /* Check if caller wanted return length */
1088 if ((ReturnLength) && (Length)) *ReturnLength = Length;
1089 }
1091 {
1092 /* Get exception code */
1094 }
1095 _SEH2_END;
1096
1097 return Status;
1098}
#define PAGED_CODE()
#define RTL_NUMBER_OF(x)
Definition: RtlRegistry.c:12
LONG NTSTATUS
Definition: precomp.h:26
#define DPRINT1
Definition: precomp.h:8
BOOL Query(LPCTSTR *ServiceArgs, DWORD ArgCount, BOOL bExtended)
Definition: query.c:292
NTSTATUS NTAPI DbgkOpenProcessDebugPort(IN PEPROCESS Process, IN KPROCESSOR_MODE PreviousMode, OUT HANDLE *DebugHandle)
Definition: dbgkobj.c:1526
#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:33
#define ULONG_PTR
Definition: config.h:101
IN CINT OUT PVOID IN ULONG OUT PULONG ReturnLength
Definition: dumpinfo.c:43
UNICODE_STRING * PUNICODE_STRING
Definition: env_spec_w32.h:373
#define PAGE_SHIFT
Definition: env_spec_w32.h:45
#define KeQuerySystemTime(t)
Definition: env_spec_w32.h:570
#define ExReleaseRundownProtection
Definition: ex.h:136
#define ExGetPreviousMode
Definition: ex.h:140
#define ExAcquireRundownProtection
Definition: ex.h:135
#define _SEH2_END
Definition: filesup.c:22
#define _SEH2_TRY
Definition: filesup.c:19
_Must_inspect_result_ _In_ PLARGE_INTEGER _In_ PLARGE_INTEGER _In_ ULONG _In_ PFILE_OBJECT _In_ PVOID Process
Definition: fsrtlfuncs.h:223
Status
Definition: gdiplustypes.h:25
#define ICIF_PROBE_READ
Definition: icif.h:25
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
struct _PROCESS_PRIORITY_CLASS PROCESS_PRIORITY_CLASS
#define PROCESS_QUERY_INFORMATION
Definition: pstypes.h:166
struct _PROCESS_PRIORITY_CLASS * PPROCESS_PRIORITY_CLASS
@ PsNonPagedPool
Definition: pstypes.h:1021
@ PsPageFile
Definition: pstypes.h:1023
@ PsPagedPool
Definition: pstypes.h:1022
@ ProcessDebugPort
Definition: winternl.h:395
@ ProcessBreakOnTermination
Definition: winternl.h:398
@ ProcessBasicInformation
Definition: winternl.h:394
@ ProcessWow64Information
Definition: winternl.h:396
@ ProcessImageFileName
Definition: winternl.h:397
struct _PROCESS_BASIC_INFORMATION * PPROCESS_BASIC_INFORMATION
struct _PROCESS_BASIC_INFORMATION PROCESS_BASIC_INFORMATION
struct _KERNEL_USER_TIMES KERNEL_USER_TIMES
struct _KERNEL_USER_TIMES * PKERNEL_USER_TIMES
@ ProcessLUIDDeviceMapsEnabled
Definition: winternl.h:884
@ ProcessWx86Information
Definition: winternl.h:875
@ ProcessDebugFlags
Definition: winternl.h:887
@ ProcessSessionInformation
Definition: winternl.h:880
@ ProcessVmCounters
Definition: winternl.h:859
@ ProcessPriorityClass
Definition: winternl.h:874
@ ProcessPriorityBoost
Definition: winternl.h:878
@ ProcessImageInformation
Definition: winternl.h:892
@ ProcessExecuteFlags
Definition: winternl.h:889
@ ProcessCookie
Definition: winternl.h:891
@ ProcessPooledUsageAndLimits
Definition: winternl.h:870
@ ProcessIoCounters
Definition: winternl.h:858
@ ProcessDefaultHardErrorMode
Definition: winternl.h:868
@ ProcessDeviceMap
Definition: winternl.h:879
@ ProcessQuotaLimits
Definition: winternl.h:857
@ ProcessHandleTracing
Definition: winternl.h:888
@ ProcessTimes
Definition: winternl.h:860
@ ProcessDebugObjectHandle
Definition: winternl.h:886
@ ProcessWorkingSetWatch
Definition: winternl.h:871
@ ProcessLdtInformation
Definition: winternl.h:866
@ ProcessHandleCount
Definition: winternl.h:876
struct _VM_COUNTERS_ * PVM_COUNTERS
#define PROCESS_LUID_DOSDEVICES_ONLY
Definition: pstypes.h:228
struct _IO_COUNTERS IO_COUNTERS
struct _PROCESS_SESSION_INFORMATION PROCESS_SESSION_INFORMATION
struct _PROCESS_SESSION_INFORMATION * PPROCESS_SESSION_INFORMATION
struct _IO_COUNTERS * PIO_COUNTERS
#define InterlockedCompareExchange
Definition: interlocked.h:104
#define RTL_FIELD_SIZE(type, field)
Definition: kdb_expr.c:86
struct _QUOTA_LIMITS QUOTA_LIMITS
struct _QUOTA_LIMITS * PQUOTA_LIMITS
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1109
static const char * ImageName
Definition: image.c:34
FORCEINLINE struct _KPRCB * KeGetCurrentPrcb(VOID)
Definition: ketypes.h:1161
_In_ HANDLE ProcessHandle
Definition: mmfuncs.h:403
struct _SECTION_IMAGE_INFORMATION SECTION_IMAGE_INFORMATION
#define NtCurrentProcess()
Definition: nt_native.h:1657
struct _OBJECT_NAME_INFORMATION OBJECT_NAME_INFORMATION
_In_ ULONG _In_ ULONG _In_ ULONG Length
Definition: ntddpcm.h:102
ULONG NTAPI KeQueryRuntimeProcess(IN PKPROCESS Process, OUT PULONG UserTime)
Definition: procobj.c:860
VOID NTAPI KeQueryValuesProcess(IN PKPROCESS Process, PPROCESS_VALUES Values)
Definition: procobj.c:525
VOID NTAPI MmGetImageInformation(OUT PSECTION_IMAGE_INFORMATION ImageInformation)
Definition: section.c:1615
NTSTATUS NTAPI MmGetExecuteOptions(IN PULONG ExecuteOptions)
Definition: pagfault.c:2653
static __inline NTSTATUS DefaultQueryInfoBufferCheck(_In_ ULONG Class, _In_ const INFORMATION_CLASS_INFO *ClassList, _In_ ULONG ClassListEntries, _In_ ULONG Flags, _In_opt_ PVOID Buffer, _In_ ULONG BufferLength, _In_opt_ PULONG ReturnLength, _In_opt_ PULONG_PTR ReturnLengthPtr, _In_ KPROCESSOR_MODE PreviousMode)
Probe helper that validates the provided parameters whenever a NtQuery*** system call is invoked from...
Definition: probe.h:219
ULONG KeMaximumIncrement
Definition: clock.c:20
POBJECT_TYPE PsProcessType
Definition: process.c:20
ULONG NTAPI PsGetProcessSessionId(IN PEPROCESS Process)
Definition: process.c:1163
NTSTATUS NTAPI SeLocateProcessImageName(_In_ PEPROCESS Process, _Out_ PUNICODE_STRING *ProcessImageName)
Finds the process image name of a specific process.
Definition: audit.c:199
PVOID *typedef PHANDLE
Definition: ntsecpkg.h:455
#define STATUS_NOT_IMPLEMENTED
Definition: ntstatus.h:239
#define STATUS_INVALID_INFO_CLASS
Definition: ntstatus.h:240
ULONG NTAPI ObGetProcessHandleCount(IN PEPROCESS Process)
Definition: obhandle.c:56
ULONG NTAPI ObIsLUIDDeviceMapsEnabled(VOID)
Definition: devicemap.c:662
NTSTATUS NTAPI ObQueryDeviceMapInformation(_In_opt_ PEPROCESS Process, _Out_ PPROCESS_DEVICEMAP_INFORMATION DeviceMapInfo, _In_ ULONG Flags)
Definition: devicemap.c:539
NTSTATUS NTAPI ObReferenceObjectByHandle(IN HANDLE Handle, IN ACCESS_MASK DesiredAccess, IN POBJECT_TYPE ObjectType, IN KPROCESSOR_MODE AccessMode, OUT PVOID *Object, OUT POBJECT_HANDLE_INFORMATION HandleInformation OPTIONAL)
Definition: obref.c:494
long LONG
Definition: pedump.c:60
EPROCESS_QUOTA_BLOCK PspDefaultQuotaBlock
Definition: quota.c:16
static const INFORMATION_CLASS_INFO PsProcessInfoClass[]
Definition: ps_i.h:15
#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_SUCCESS
Definition: shellext.h:65
LARGE_INTEGER UserTime
Definition: winternl.h:1063
LARGE_INTEGER CreateTime
Definition: winternl.h:1060
LARGE_INTEGER KernelTime
Definition: winternl.h:1062
LARGE_INTEGER ExitTime
Definition: winternl.h:1061
ULONG InterruptTime
Definition: ketypes.h:820
ULONG KeSystemCalls
Definition: ketypes.h:731
ULONG_PTR InheritedFromUniqueProcessId
Definition: pstypes.h:340
IO_COUNTERS IoInfo
Definition: ke.h:48
INT64 MaximumWorkingSetSize
Definition: lsa.idl:290
INT64 NonPagedPoolLimit
Definition: lsa.idl:288
LARGE_INTEGER TimeLimit
Definition: lsa.idl:292
INT64 MinimumWorkingSetSize
Definition: lsa.idl:289
INT64 PagefileLimit
Definition: lsa.idl:291
INT64 PagedPoolLimit
Definition: lsa.idl:287
SIZE_T QuotaPeakPagedPoolUsage
Definition: winternl.h:1610
SIZE_T PeakWorkingSetSize
Definition: winternl.h:1608
SIZE_T QuotaPeakNonPagedPoolUsage
Definition: winternl.h:1612
SIZE_T VirtualSize
Definition: winternl.h:1606
SIZE_T PeakPagefileUsage
Definition: winternl.h:1615
SIZE_T QuotaNonPagedPoolUsage
Definition: winternl.h:1613
SIZE_T PagefileUsage
Definition: winternl.h:1614
SIZE_T PeakVirtualSize
Definition: winternl.h:1605
SIZE_T QuotaPagedPoolUsage
Definition: winternl.h:1611
SIZE_T WorkingSetSize
Definition: winternl.h:1609
ULONG PageFaultCount
Definition: winternl.h:1607
#define TAG_SEPA
Definition: tag.h:156
uint16_t * PWSTR
Definition: typedefs.h:56
#define MAXULONG
Definition: typedefs.h:251
uint32_t * PULONG_PTR
Definition: typedefs.h:65
uint32_t * PULONG
Definition: typedefs.h:59
int64_t LONGLONG
Definition: typedefs.h:68
PVOID HANDLE
Definition: typedefs.h:73
ULONG_PTR SIZE_T
Definition: typedefs.h:80
#define RtlCopyMemory(Destination, Source, Length)
Definition: typedefs.h:263
uint32_t ULONG_PTR
Definition: typedefs.h:65
uint32_t ULONG
Definition: typedefs.h:59
#define STATUS_INVALID_PARAMETER
Definition: udferr_usr.h:135
#define STATUS_INFO_LENGTH_MISMATCH
Definition: udferr_usr.h:133
LONGLONG QuadPart
Definition: typedefs.h:114
ULONG LowPart
Definition: typedefs.h:106
struct _LARGE_INTEGER::@2291 u
_Must_inspect_result_ _In_ ULONG Flags
Definition: wsk.h:170
_In_opt_ PVOID _Out_ PLARGE_INTEGER Cookie
Definition: cmfuncs.h:14
_Out_ PULONG UserTime
Definition: kefuncs.h:759
CCHAR KPROCESSOR_MODE
Definition: ketypes.h:7
#define ObDereferenceObject
Definition: obfuncs.h:203
#define PsGetCurrentProcess
Definition: psfuncs.h:17
_In_ KPROCESSOR_MODE PreviousMode
Definition: sefuncs.h:103

Referenced by _main(), BaseInitializeStaticServerData(), check_live_target(), CheckRemoteDebuggerPresent(), CON_API_NOCONSOLE(), EmptyWorkingSet(), EnumProcessModules(), FindModule(), get_shiminfo(), getCommandLineFromProcess(), GetDriveTypeW(), GetErrorMode(), GetExitCodeProcess(), GetLogicalDrives(), GetPriorityClass(), GetProcessAffinityMask(), GetProcessExecutablePath(), GetProcessHandleCount(), GetProcessId(), GetProcessImageFileNameA(), GetProcessImageFileNameW(), GetProcessIoCounters(), GetProcessMemoryInfo(), GetProcessPriorityBoost(), GetProcessTimes(), GetProcessVersion(), GetProcessWorkingSetSizeEx(), GetSourcePaths(), GetWsChanges(), GlobalMemoryStatusEx(), InitFunctionPtrs(), Is64BitSystem(), IsCriticalProcess(), IsWow64Process(), PerfDataGetCommandLine(), PrintProcess(), ProcessIdToSessionId(), PsaEnumerateProcessModules(), QueryFlag(), QueryFullProcessImageNameW(), QuerySetProcessValidator(), RtlpQueryRemoteProcessModules(), SmpApiLoop(), SmpCreateVolumeDescriptors(), SmpGetProcessMuSessionId(), Test_ProcessPriorityClassAlignment(), Test_ProcessTimes(), Test_ProcessWx86Information(), UnhandledExceptionFilter(), UserpGetClientFileName(), wmain(), and Wow64QueryFlag().

◆ NtQueryInformationThread()

NTSTATUS NTAPI NtQueryInformationThread ( IN HANDLE  ThreadHandle,
IN THREADINFOCLASS  ThreadInformationClass,
OUT PVOID  ThreadInformation,
IN ULONG  ThreadInformationLength,
OUT PULONG ReturnLength  OPTIONAL 
)

Definition at line 2624 of file query.c.

2629{
2633 ULONG Access;
2634 ULONG Length = 0;
2635 PTHREAD_BASIC_INFORMATION ThreadBasicInfo =
2636 (PTHREAD_BASIC_INFORMATION)ThreadInformation;
2637 PKERNEL_USER_TIMES ThreadTime = (PKERNEL_USER_TIMES)ThreadInformation;
2638 KIRQL OldIrql;
2639 ULONG ThreadTerminated;
2640 PAGED_CODE();
2641
2642 /* Verify Information Class validity */
2647 ThreadInformation,
2650 NULL,
2651 PreviousMode);
2652 if (!NT_SUCCESS(Status))
2653 {
2654 DPRINT1("NtQueryInformationThread(): Information verification class failed! (Status -> 0x%lx , ThreadInformationClass -> %lx)\n", Status, ThreadInformationClass);
2655 return Status;
2656 }
2657
2658 /* Check what class this is */
2659 Access = THREAD_QUERY_INFORMATION;
2660
2661 /* Check what kind of information class this is */
2662 switch (ThreadInformationClass)
2663 {
2664 /* Basic thread information */
2666
2667 /* Set return length */
2669
2671 {
2673 break;
2674 }
2675
2676 /* Reference the process */
2677 Status = ObReferenceObjectByHandle(ThreadHandle,
2678 Access,
2681 (PVOID*)&Thread,
2682 NULL);
2683 if (!NT_SUCCESS(Status))
2684 break;
2685
2686 /* Protect writes with SEH */
2687 _SEH2_TRY
2688 {
2689 /* Write all the information from the ETHREAD/KTHREAD */
2690 ThreadBasicInfo->ExitStatus = Thread->ExitStatus;
2691 ThreadBasicInfo->TebBaseAddress = (PVOID)Thread->Tcb.Teb;
2692 ThreadBasicInfo->ClientId = Thread->Cid;
2693 ThreadBasicInfo->AffinityMask = Thread->Tcb.Affinity;
2694 ThreadBasicInfo->Priority = Thread->Tcb.Priority;
2695 ThreadBasicInfo->BasePriority = KeQueryBasePriorityThread(&Thread->Tcb);
2696 }
2698 {
2699 /* Get exception code */
2701 }
2702 _SEH2_END;
2703
2704 /* Dereference the thread */
2706 break;
2707
2708 /* Thread time information */
2709 case ThreadTimes:
2710
2711 /* Set the return length */
2712 Length = sizeof(KERNEL_USER_TIMES);
2713
2715 {
2717 break;
2718 }
2719
2720 /* Reference the process */
2721 Status = ObReferenceObjectByHandle(ThreadHandle,
2722 Access,
2725 (PVOID*)&Thread,
2726 NULL);
2727 if (!NT_SUCCESS(Status))
2728 break;
2729
2730 /* Protect writes with SEH */
2731 _SEH2_TRY
2732 {
2733 /* Copy time information from ETHREAD/KTHREAD */
2736 ThreadTime->CreateTime = Thread->CreateTime;
2737
2738 /* Exit time is in a union and only valid on actual exit! */
2740 {
2741 ThreadTime->ExitTime = Thread->ExitTime;
2742 }
2743 else
2744 {
2745 ThreadTime->ExitTime.QuadPart = 0;
2746 }
2747 }
2749 {
2750 /* Get exception code */
2752 }
2753 _SEH2_END;
2754
2755 /* Dereference the thread */
2757 break;
2758
2760
2761 /* Set the return length*/
2762 Length = sizeof(PVOID);
2763
2765 {
2767 break;
2768 }
2769
2770 /* Reference the process */
2771 Status = ObReferenceObjectByHandle(ThreadHandle,
2772 Access,
2775 (PVOID*)&Thread,
2776 NULL);
2777 if (!NT_SUCCESS(Status))
2778 break;
2779
2780 /* Protect write with SEH */
2781 _SEH2_TRY
2782 {
2783 /* Return the Win32 Start Address */
2784 *(PVOID*)ThreadInformation = Thread->Win32StartAddress;
2785 }
2787 {
2788 /* Get exception code */
2790 }
2791 _SEH2_END;
2792
2793 /* Dereference the thread */
2795 break;
2796
2798
2799 /* Set the return length*/
2800 Length = sizeof(LARGE_INTEGER);
2801
2803 {
2805 break;
2806 }
2807
2808 /* Reference the process */
2809 Status = ObReferenceObjectByHandle(ThreadHandle,
2810 Access,
2813 (PVOID*)&Thread,
2814 NULL);
2815 if (!NT_SUCCESS(Status))
2816 break;
2817
2818 /* Protect write with SEH */
2819 _SEH2_TRY
2820 {
2821 /* FIXME */
2822 (*(PLARGE_INTEGER)ThreadInformation).QuadPart = 0;
2823 }
2825 {
2826 /* Get exception code */
2828 }
2829 _SEH2_END;
2830
2831 /* Dereference the thread */
2833 break;
2834
2836
2837 /* Set the return length*/
2838 Length = sizeof(ULONG);
2839
2841 {
2843 break;
2844 }
2845
2846 /* Reference the process */
2847 Status = ObReferenceObjectByHandle(ThreadHandle,
2848 Access,
2851 (PVOID*)&Thread,
2852 NULL);
2853 if (!NT_SUCCESS(Status))
2854 break;
2855
2856 /* Protect write with SEH */
2857 _SEH2_TRY
2858 {
2859 /* Return whether or not we are the last thread */
2860 *(PULONG)ThreadInformation = ((Thread->ThreadsProcess->
2861 ThreadListHead.Flink->Flink ==
2862 &Thread->ThreadsProcess->
2864 TRUE : FALSE);
2865 }
2867 {
2868 /* Get exception code */
2870 }
2871 _SEH2_END;
2872
2873 /* Dereference the thread */
2875 break;
2876
2877 case ThreadIsIoPending:
2878
2879 /* Set the return length*/
2880 Length = sizeof(ULONG);
2881
2883 {
2885 break;
2886 }
2887
2888 /* Reference the process */
2889 Status = ObReferenceObjectByHandle(ThreadHandle,
2890 Access,
2893 (PVOID*)&Thread,
2894 NULL);
2895 if (!NT_SUCCESS(Status))
2896 break;
2897
2898 /* Raise the IRQL to protect the IRP list */
2900
2901 /* Protect write with SEH */
2902 _SEH2_TRY
2903 {
2904 /* Check if the IRP list is empty or not */
2905 *(PULONG)ThreadInformation = !IsListEmpty(&Thread->IrpList);
2906 }
2908 {
2909 /* Get exception code */
2911 }
2912 _SEH2_END;
2913
2914 /* Lower IRQL back */
2916
2917 /* Dereference the thread */
2919 break;
2920
2921 /* LDT and GDT information */
2923
2924#if defined(_X86_)
2925 /* Reference the process */
2926 Status = ObReferenceObjectByHandle(ThreadHandle,
2927 Access,
2930 (PVOID*)&Thread,
2931 NULL);
2932 if (!NT_SUCCESS(Status))
2933 break;
2934
2935 /* Call the worker routine */
2937 ThreadInformation,
2939 ReturnLength);
2940
2941 /* Dereference the thread */
2943#else
2944 /* Only implemented on x86 */
2946#endif
2947 break;
2948
2950
2951 /* Set the return length*/
2952 Length = sizeof(ULONG);
2953
2955 {
2957 break;
2958 }
2959
2960 /* Reference the process */
2961 Status = ObReferenceObjectByHandle(ThreadHandle,
2962 Access,
2965 (PVOID*)&Thread,
2966 NULL);
2967 if (!NT_SUCCESS(Status))
2968 break;
2969
2970 _SEH2_TRY
2971 {
2972 *(PULONG)ThreadInformation = Thread->Tcb.DisableBoost ? 1 : 0;
2973 }
2975 {
2977 }
2978 _SEH2_END;
2979
2980 /* Dereference the thread */
2982 break;
2983
2984 case ThreadIsTerminated:
2985
2986 /* Set the return length*/
2987 Length = sizeof(ThreadTerminated);
2988
2990 {
2992 break;
2993 }
2994
2995 /* Reference the process */
2996 Status = ObReferenceObjectByHandle(ThreadHandle,
2997 Access,
3000 (PVOID*)&Thread,
3001 NULL);
3002 if (!NT_SUCCESS(Status))
3003 break;
3004
3005 ThreadTerminated = PsIsThreadTerminating(Thread);
3006
3007 _SEH2_TRY
3008 {
3009 *(PULONG)ThreadInformation = ThreadTerminated ? 1 : 0;
3010 }
3012 {
3014 }
3015 _SEH2_END;
3016
3017 /* Dereference the thread */
3019 break;
3020
3021 /* Anything else */
3022 default:
3023
3024 /* Not yet implemented */
3025 DPRINT1("Not implemented: %lx\n", ThreadInformationClass);
3027 }
3028
3029 /* Protect write with SEH */
3030 _SEH2_TRY
3031 {
3032 /* Check if caller wanted return length */
3034 }
3036 {
3037 /* Get exception code */
3039 }
3040 _SEH2_END;
3041
3042 return Status;
3043}
struct _THREAD_BASIC_INFORMATION THREAD_BASIC_INFORMATION
@ ThreadDescriptorTableEntry
Definition: compat.h:941
@ ThreadAmILastThread
Definition: compat.h:947
@ ThreadTimes
Definition: compat.h:936
@ ThreadQuerySetWin32StartAddress
Definition: compat.h:944
@ ThreadIsTerminated
Definition: compat.h:955
@ ThreadBasicInformation
Definition: compat.h:935
@ ThreadPriorityBoost
Definition: compat.h:949
@ ThreadPerformanceCount
Definition: compat.h:946
@ ThreadIsIoPending
Definition: compat.h:951
struct _THREAD_BASIC_INFORMATION * PTHREAD_BASIC_INFORMATION
#define IsListEmpty(ListHead)
Definition: env_spec_w32.h:954
UCHAR KIRQL
Definition: env_spec_w32.h:591
#define KeRaiseIrql(irql, oldIrql)
Definition: env_spec_w32.h:597
#define APC_LEVEL
Definition: env_spec_w32.h:695
#define KeLowerIrql(oldIrql)
Definition: env_spec_w32.h:602
_In_opt_ PFILE_OBJECT _In_opt_ PETHREAD Thread
Definition: fltkernel.h:2653
#define THREAD_QUERY_INFORMATION
Definition: pstypes.h:149
_In_ THREADINFOCLASS _In_ ULONG ThreadInformationLength
Definition: psfuncs.h:843
_In_ THREADINFOCLASS ThreadInformationClass
Definition: psfuncs.h:840
LONG NTAPI KeQueryBasePriorityThread(IN PKTHREAD Thread)
Definition: thrdobj.c:52
BOOLEAN NTAPI KeReadStateThread(IN PKTHREAD Thread)
Definition: thrdobj.c:42
POBJECT_TYPE PsThreadType
Definition: thread.c:20
BOOLEAN NTAPI PsIsThreadTerminating(IN PETHREAD Thread)
Definition: thread.c:868
static const INFORMATION_CLASS_INFO PsThreadInfoClass[]
Definition: ps_i.h:360
NTSTATUS NTAPI PspQueryDescriptorThread(IN PETHREAD Thread, IN PVOID ThreadInformation, IN ULONG ThreadInformationLength, OUT PULONG ReturnLength OPTIONAL)
Definition: psldt.c:43
LARGE_INTEGER ExitTime
Definition: pstypes.h:1107
NTSTATUS ExitStatus
Definition: pstypes.h:1113
KTHREAD Tcb
Definition: pstypes.h:1103
PVOID Win32StartAddress
Definition: pstypes.h:1152
CLIENT_ID Cid
Definition: pstypes.h:1128
LIST_ENTRY IrpList
Definition: pstypes.h:1144
LARGE_INTEGER CreateTime
Definition: pstypes.h:1104
GROUP_AFFINITY Affinity
Definition: ketypes.h:1938
ULONG DisableBoost
Definition: ketypes.h:1725
SCHAR Priority
Definition: ketypes.h:1782
PVOID Teb
Definition: ketypes.h:1807
ULONG KernelTime
Definition: ketypes.h:1987
ULONG UserTime
Definition: ketypes.h:2003
struct _LIST_ENTRY * Flink
Definition: typedefs.h:121
KPRIORITY BasePriority
Definition: compat.h:932
KAFFINITY AffinityMask
Definition: compat.h:930
static LIST_ENTRY ThreadListHead
Definition: sys_arch.c:6
union _LARGE_INTEGER LARGE_INTEGER
void * PVOID
Definition: typedefs.h:50
union _LARGE_INTEGER * PLARGE_INTEGER
Definition: file.c:85
_Requires_lock_held_ Interrupt _Releases_lock_ Interrupt _In_ _IRQL_restores_ KIRQL OldIrql
Definition: kefuncs.h:778

Referenced by CreateRemoteThread(), CsrCreateProcess(), CsrCreateRemoteThread(), CsrCreateThread(), CsrInsertThread(), CsrSbCreateSession(), DbgUiConvertStateChangeStructure(), ExitThread(), fetch_thread_info(), GetExitCodeThread(), GetProcessIdOfThread(), GetThreadId(), GetThreadIOPendingFlag(), GetThreadPriority(), GetThreadPriorityBoost(), GetThreadSelectorEntry(), GetThreadTimes(), i386_stack_walk(), init_funcs(), InitFunctionPtrs(), PrintThreads(), QuerySetThreadValidator(), RtlFreeUserThreadStack(), RtlpIsIoPending(), SetThreadAffinityMask(), TerminateThread(), and Test_ThreadBasicInformationClass().

◆ NtSetInformationProcess()

NTSTATUS NTAPI NtSetInformationProcess ( IN HANDLE  ProcessHandle,
IN PROCESSINFOCLASS  ProcessInformationClass,
IN PVOID  ProcessInformation,
IN ULONG  ProcessInformationLength 
)

Definition at line 1105 of file query.c.

1109{
1112 ACCESS_MASK Access;
1114 HANDLE PortHandle = NULL;
1118 PROCESS_PRIORITY_CLASS PriorityClass = {0};
1119 PROCESS_FOREGROUND_BACKGROUND Foreground = {0};
1120 PVOID ExceptionPort;
1121 ULONG Break;
1122 KAFFINITY ValidAffinity, Affinity = 0;
1123 KPRIORITY BasePriority = 0;
1124 UCHAR MemoryPriority = 0;
1125 BOOLEAN DisableBoost = 0;
1126 ULONG DefaultHardErrorMode = 0;
1127 ULONG DebugFlags = 0, EnableFixup = 0, Boost = 0;
1128 ULONG NoExecute = 0, VdmPower = 0;
1130 PLIST_ENTRY Next;
1132 PAGED_CODE();
1133
1134 /* Verify Information Class validity */
1135 Status = DefaultSetInfoBufferCheck(ProcessInformationClass,
1138 ProcessInformation,
1139 ProcessInformationLength,
1140 PreviousMode);
1141 if (!NT_SUCCESS(Status))
1142 {
1143 DPRINT1("NtSetInformationProcess(): Information verification class failed! (Status -> 0x%lx, ProcessInformationClass -> %lx)\n", Status, ProcessInformationClass);
1144 return Status;
1145 }
1146
1147 /* Check what class this is */
1148 Access = PROCESS_SET_INFORMATION;
1149 if (ProcessInformationClass == ProcessSessionInformation)
1150 {
1151 /* Setting the Session ID needs a special mask */
1152 Access |= PROCESS_SET_SESSIONID;
1153 }
1154 else if (ProcessInformationClass == ProcessExceptionPort)
1155 {
1156 /* Setting the exception port needs a special mask */
1157 Access |= PROCESS_SUSPEND_RESUME;
1158 }
1159
1160 /* Reference the process */
1162 Access,
1165 (PVOID*)&Process,
1166 NULL);
1167 if (!NT_SUCCESS(Status)) return Status;
1168
1169 /* Check what kind of information class this is */
1170 switch (ProcessInformationClass)
1171 {
1173
1174 /* Check buffer length */
1175 if (ProcessInformationLength != sizeof(ULONG))
1176 {
1178 break;
1179 }
1180
1181 /* Use SEH for capture */
1182 _SEH2_TRY
1183 {
1184 /* Capture the boolean */
1185 VdmPower = *(PULONG)ProcessInformation;
1186 }
1188 {
1189 /* Get the exception code */
1191 _SEH2_YIELD(break);
1192 }
1193 _SEH2_END;
1194
1195 /* Getting VDM powers requires the SeTcbPrivilege */
1197 {
1198 /* We don't hold the privilege, bail out */
1200 DPRINT1("Need TCB privilege\n");
1201 break;
1202 }
1203
1204 /* Set or clear the flag */
1205 if (VdmPower)
1206 {
1208 }
1209 else
1210 {
1212 }
1213 break;
1214
1215 /* Error/Exception Port */
1217
1218 /* Check buffer length */
1219 if (ProcessInformationLength != sizeof(HANDLE))
1220 {
1222 break;
1223 }
1224
1225 /* Use SEH for capture */
1226 _SEH2_TRY
1227 {
1228 /* Capture the handle */
1229 PortHandle = *(PHANDLE)ProcessInformation;
1230 }
1232 {
1233 /* Get the exception code */
1235 _SEH2_YIELD(break);
1236 }
1237 _SEH2_END;
1238
1239 /* Setting the error port requires the SeTcbPrivilege */
1241 {
1242 /* We don't hold the privilege, bail out */
1244 break;
1245 }
1246
1247 /* Get the LPC Port */
1248 Status = ObReferenceObjectByHandle(PortHandle,
1249 0,
1252 (PVOID)&ExceptionPort,
1253 NULL);
1254 if (!NT_SUCCESS(Status)) break;
1255
1256 /* Change the pointer */
1257 if (InterlockedCompareExchangePointer(&Process->ExceptionPort,
1258 ExceptionPort,
1259 NULL))
1260 {
1261 /* We already had one, fail */
1262 ObDereferenceObject(ExceptionPort);
1264 }
1265 break;
1266
1267 /* Security Token */
1268 case ProcessAccessToken:
1269
1270 /* Check buffer length */
1271 if (ProcessInformationLength != sizeof(PROCESS_ACCESS_TOKEN))
1272 {
1274 break;
1275 }
1276
1277 /* Use SEH for capture */
1278 _SEH2_TRY
1279 {
1280 /* Save the token handle */
1281 TokenHandle = ((PPROCESS_ACCESS_TOKEN)ProcessInformation)->
1282 Token;
1283 }
1285 {
1286 /* Get the exception code */
1288 _SEH2_YIELD(break);
1289 }
1290 _SEH2_END;
1291
1292 /* Assign the actual token */
1294 break;
1295
1296 /* Hard error processing */
1298
1299 /* Check buffer length */
1300 if (ProcessInformationLength != sizeof(ULONG))
1301 {
1303 break;
1304 }
1305
1306 /* Enter SEH for direct buffer read */
1307 _SEH2_TRY
1308 {
1309 DefaultHardErrorMode = *(PULONG)ProcessInformation;
1310 }
1312 {
1313 /* Get exception code */
1315 _SEH2_YIELD(break);
1316 }
1317 _SEH2_END;
1318
1319 /* Set the mode */
1320 Process->DefaultHardErrorProcessing = DefaultHardErrorMode;
1321
1322 /* Call Ke for the update */
1323 if (DefaultHardErrorMode & SEM_NOALIGNMENTFAULTEXCEPT)
1324 {
1326 }
1327 else
1328 {
1330 }
1332 break;
1333
1334 /* Session ID */
1336
1337 /* Check buffer length */
1338 if (ProcessInformationLength != sizeof(PROCESS_SESSION_INFORMATION))
1339 {
1341 break;
1342 }
1343
1344 /* Enter SEH for capture */
1345 _SEH2_TRY
1346 {
1347 /* Capture the caller's buffer */
1348 SessionInfo = *(PPROCESS_SESSION_INFORMATION)ProcessInformation;
1349 }
1351 {
1352 /* Get the exception code */
1354 _SEH2_YIELD(break);
1355 }
1356 _SEH2_END;
1357
1358 /* Setting the session id requires the SeTcbPrivilege */
1360 {
1361 /* We don't hold the privilege, bail out */
1363 break;
1364 }
1365
1366#if 0 // OLD AND DEPRECATED CODE!!!!
1367
1368 /* FIXME - update the session id for the process token */
1369 //Status = PsLockProcess(Process, FALSE);
1370 if (!NT_SUCCESS(Status)) break;
1371
1372 /* Write the session ID in the EPROCESS */
1373 Process->Session = UlongToPtr(SessionInfo.SessionId); // HACK!!!
1374
1375 /* Check if the process also has a PEB */
1376 if (Process->Peb)
1377 {
1378 /*
1379 * Attach to the process to make sure we're in the right
1380 * context to access the PEB structure
1381 */
1382 KeAttachProcess(&Process->Pcb);
1383
1384 /* Enter SEH for write to user-mode PEB */
1385 _SEH2_TRY
1386 {
1387 /* Write the session ID */
1388 Process->Peb->SessionId = SessionInfo.SessionId;
1389 }
1391 {
1392 /* Get exception code */
1394 }
1395 _SEH2_END;
1396
1397 /* Detach from the process */
1399 }
1400
1401 /* Unlock the process */
1402 //PsUnlockProcess(Process);
1403
1404#endif
1405
1406 /*
1407 * Since we cannot change the session ID of the given
1408 * process anymore because it is set once and for all
1409 * at process creation time and because it is stored
1410 * inside the Process->Session structure managed by MM,
1411 * we fake changing it: we just return success if the
1412 * user-defined value is the same as the session ID of
1413 * the process, and otherwise we fail.
1414 */
1415 if (SessionInfo.SessionId == PsGetProcessSessionId(Process))
1416 {
1418 }
1419 else
1420 {
1422 }
1423
1424 break;
1425
1427
1428 /* Check buffer length */
1429 if (ProcessInformationLength != sizeof(PROCESS_PRIORITY_CLASS))
1430 {
1432 break;
1433 }
1434
1435 /* Enter SEH for capture */
1436 _SEH2_TRY
1437 {
1438 /* Capture the caller's buffer */
1439 PriorityClass = *(PPROCESS_PRIORITY_CLASS)ProcessInformation;
1440 }
1442 {
1443 /* Return the exception code */
1445 _SEH2_YIELD(break);
1446 }
1447 _SEH2_END;
1448
1449 /* Check for invalid PriorityClass value */
1451 {
1453 break;
1454 }
1455
1456 if ((PriorityClass.PriorityClass != Process->PriorityClass) &&
1458 {
1459 /* Check the privilege */
1463 PreviousMode);
1464 if (!HasPrivilege)
1465 {
1467 DPRINT1("Privilege to change priority to realtime lacking\n");
1469 }
1470 }
1471
1472 /* Check if we have a job */
1473 if (Process->Job)
1474 {
1475 DPRINT1("Jobs not yet supported\n");
1476 }
1477
1478 /* Set process priority class */
1479 Process->PriorityClass = PriorityClass.PriorityClass;
1480
1481 /* Set process priority mode (foreground or background) */
1483 PriorityClass.Foreground ?
1487 break;
1488
1490
1491 /* Check buffer length */
1492 if (ProcessInformationLength != sizeof(PROCESS_FOREGROUND_BACKGROUND))
1493 {
1495 break;
1496 }
1497
1498 /* Enter SEH for capture */
1499 _SEH2_TRY
1500 {
1501 /* Capture the caller's buffer */
1502 Foreground = *(PPROCESS_FOREGROUND_BACKGROUND)ProcessInformation;
1503 }
1505 {
1506 /* Return the exception code */
1508 _SEH2_YIELD(break);
1509 }
1510 _SEH2_END;
1511
1512 /* Set process priority mode (foreground or background) */
1514 Foreground.Foreground ?
1518 break;
1519
1521
1522 /* Validate input length */
1523 if (ProcessInformationLength != sizeof(KPRIORITY))
1524 {
1526 break;
1527 }
1528
1529 /* Enter SEH for direct buffer read */
1530 _SEH2_TRY
1531 {
1532 BasePriority = *(KPRIORITY*)ProcessInformation;
1533 }
1535 {
1536 /* Get exception code */
1537 Break = 0;
1539 _SEH2_YIELD(break);
1540 }
1541 _SEH2_END;
1542
1543 /* Extract the memory priority out of there */
1544 if (BasePriority & 0x80000000)
1545 {
1546 MemoryPriority = MEMORY_PRIORITY_FOREGROUND;
1547 BasePriority &= ~0x80000000;
1548 }
1549 else
1550 {
1551 MemoryPriority = MEMORY_PRIORITY_BACKGROUND;
1552 }
1553
1554 /* Validate the number */
1555 if ((BasePriority > HIGH_PRIORITY) || (BasePriority <= LOW_PRIORITY))
1556 {
1559 }
1560
1561 /* Check if the new base is higher */
1562 if (BasePriority > Process->Pcb.BasePriority)
1563 {
1567 PreviousMode);
1568 if (!HasPrivilege)
1569 {
1571 DPRINT1("Privilege to change priority from %lx to %lx lacking\n", BasePriority, Process->Pcb.BasePriority);
1573 }
1574 }
1575
1576 /* Call Ke */
1577 KeSetPriorityAndQuantumProcess(&Process->Pcb, BasePriority, 0);
1578
1579 /* Now set the memory priority */
1580 MmSetMemoryPriorityProcess(Process, MemoryPriority);
1582 break;
1583
1585
1586 /* Validate input length */
1587 if (ProcessInformationLength != sizeof(ULONG))
1588 {
1590 break;
1591 }
1592
1593 /* Enter SEH for direct buffer read */
1594 _SEH2_TRY
1595 {
1596 Boost = *(PULONG)ProcessInformation;
1597 }
1599 {
1600 /* Get exception code */
1601 Break = 0;
1603 _SEH2_YIELD(break);
1604 }
1605 _SEH2_END;
1606
1607 /* Make sure the process isn't dying */
1608 if (ExAcquireRundownProtection(&Process->RundownProtect))
1609 {
1610 /* Lock it */
1612 ExAcquirePushLockShared(&Process->ProcessLock);
1613
1614 /* Loop the threads */
1615 for (Next = Process->ThreadListHead.Flink;
1616 Next != &Process->ThreadListHead;
1617 Next = Next->Flink)
1618 {
1619 /* Call Ke for the thread */
1620 Thread = CONTAINING_RECORD(Next, ETHREAD, ThreadListEntry);
1622 }
1623
1624 /* Release the lock and rundown */
1625 ExReleasePushLockShared(&Process->ProcessLock);
1627 ExReleaseRundownProtection(&Process->RundownProtect);
1628
1629 /* Set success code */
1631 }
1632 else
1633 {
1634 /* Avoid race conditions */
1636 }
1637 break;
1638
1640
1641 /* Check buffer length */
1642 if (ProcessInformationLength != sizeof(ULONG))
1643 {
1645 break;
1646 }
1647
1648 /* Enter SEH for direct buffer read */
1649 _SEH2_TRY
1650 {
1651 Break = *(PULONG)ProcessInformation;
1652 }
1654 {
1655 /* Get exception code */
1656 Break = 0;
1658 _SEH2_YIELD(break);
1659 }
1660 _SEH2_END;
1661
1662 /* Setting 'break on termination' requires the SeDebugPrivilege */
1664 {
1665 /* We don't hold the privilege, bail out */
1667 break;
1668 }
1669
1670 /* Set or clear the flag */
1671 if (Break)
1672 {
1674 }
1675 else
1676 {
1678 }
1679
1680 break;
1681
1683
1684 /* Check buffer length */
1685 if (ProcessInformationLength != sizeof(KAFFINITY))
1686 {
1688 break;
1689 }
1690
1691 /* Enter SEH for direct buffer read */
1692 _SEH2_TRY
1693 {
1694 Affinity = *(PKAFFINITY)ProcessInformation;
1695 }
1697 {
1698 /* Get exception code */
1699 Break = 0;
1701 _SEH2_YIELD(break);
1702 }
1703 _SEH2_END;
1704
1705 /* Make sure it's valid for the CPUs present */
1706 ValidAffinity = Affinity & KeActiveProcessors;
1707 if (!Affinity || (ValidAffinity != Affinity))
1708 {
1710 break;
1711 }
1712
1713 /* Check if it's within job affinity limits */
1714 if (Process->Job)
1715 {
1716 /* Not yet implemented */
1719 break;
1720 }
1721
1722 /* Make sure the process isn't dying */
1723 if (ExAcquireRundownProtection(&Process->RundownProtect))
1724 {
1725 /* Lock it */
1727 ExAcquirePushLockShared(&Process->ProcessLock);
1728
1729 /* Call Ke to do the work */
1730 KeSetAffinityProcess(&Process->Pcb, ValidAffinity);
1731
1732 /* Release the lock and rundown */
1733 ExReleasePushLockShared(&Process->ProcessLock);
1735 ExReleaseRundownProtection(&Process->RundownProtect);
1736
1737 /* Set success code */
1739 }
1740 else
1741 {
1742 /* Avoid race conditions */
1744 }
1745 break;
1746
1747 /* Priority Boosting status */
1749
1750 /* Validate input length */
1751 if (ProcessInformationLength != sizeof(ULONG))
1752 {
1754 break;
1755 }
1756
1757 /* Enter SEH for direct buffer read */
1758 _SEH2_TRY
1759 {
1760 DisableBoost = *(PBOOLEAN)ProcessInformation;
1761 }
1763 {
1764 /* Get exception code */
1765 Break = 0;
1767 _SEH2_YIELD(break);
1768 }
1769 _SEH2_END;
1770
1771 /* Make sure the process isn't dying */
1772 if (ExAcquireRundownProtection(&Process->RundownProtect))
1773 {
1774 /* Lock it */
1776 ExAcquirePushLockShared(&Process->ProcessLock);
1777
1778 /* Call Ke to do the work */
1779 KeSetDisableBoostProcess(&Process->Pcb, DisableBoost);
1780
1781 /* Loop the threads too */
1782 for (Next = Process->ThreadListHead.Flink;
1783 Next != &Process->ThreadListHead;
1784 Next = Next->Flink)
1785 {
1786 /* Call Ke for the thread */
1787 Thread = CONTAINING_RECORD(Next, ETHREAD, ThreadListEntry);
1788 KeSetDisableBoostThread(&Thread->Tcb, DisableBoost);
1789 }
1790
1791 /* Release the lock and rundown */
1792 ExReleasePushLockShared(&Process->ProcessLock);
1794 ExReleaseRundownProtection(&Process->RundownProtect);
1795
1796 /* Set success code */
1798 }
1799 else
1800 {
1801 /* Avoid race conditions */
1803 }
1804 break;
1805
1806 case ProcessDebugFlags:
1807
1808 /* Check buffer length */
1809 if (ProcessInformationLength != sizeof(ULONG))
1810 {
1812 break;
1813 }
1814
1815 /* Enter SEH for direct buffer read */
1816 _SEH2_TRY
1817 {
1818 DebugFlags = *(PULONG)ProcessInformation;
1819 }
1821 {
1822 /* Get exception code */
1824 _SEH2_YIELD(break);
1825 }
1826 _SEH2_END;
1827
1828 /* Set the mode */
1829 if (DebugFlags & ~1)
1830 {
1832 }
1833 else
1834 {
1835 if (DebugFlags & 1)
1836 {
1838 }
1839 else
1840 {
1842 }
1843 }
1844
1845 /* Done */
1847 break;
1848
1850
1851 /* Check buffer length */
1852 if (ProcessInformationLength != sizeof(BOOLEAN))
1853 {
1855 break;
1856 }
1857
1858 /* Enter SEH for direct buffer read */
1859 _SEH2_TRY
1860 {
1861 EnableFixup = *(PULONG)ProcessInformation;
1862 }
1864 {
1865 /* Get exception code */
1867 _SEH2_YIELD(break);
1868 }
1869 _SEH2_END;
1870
1871 /* Set the mode */
1872 if (EnableFixup)
1873 {
1874 Process->DefaultHardErrorProcessing |= SEM_NOALIGNMENTFAULTEXCEPT;
1875 }
1876 else
1877 {
1878 Process->DefaultHardErrorProcessing &= ~SEM_NOALIGNMENTFAULTEXCEPT;
1879 }
1880
1881 /* Call Ke for the update */
1884 break;
1885
1887
1888 /* Only TCB can do this */
1890 {
1891 /* We don't hold the privilege, bail out */
1892 DPRINT1("Need TCB to set IOPL\n");
1894 break;
1895 }
1896
1897 /* Only supported on x86 */
1898#if defined (_X86_)
1899 Ke386SetIOPL();
1900#elif defined(_M_AMD64)
1901 /* On x64 this function isn't implemented.
1902 On Windows 2003 it returns success.
1903 On Vista+ it returns STATUS_NOT_IMPLEMENTED. */
1904 if ((ExGetPreviousMode() != KernelMode) &&
1905 (RtlRosGetAppcompatVersion() > _WIN32_WINNT_WS03))
1906 {
1908 }
1909#else
1911#endif
1912 /* Done */
1913 break;
1914
1916
1917 /* Check buffer length */
1918 if (ProcessInformationLength != sizeof(ULONG))
1919 {
1921 break;
1922 }
1923
1925 {
1927 break;
1928 }
1929
1930 /* Enter SEH for direct buffer read */
1931 _SEH2_TRY
1932 {
1933 NoExecute = *(PULONG)ProcessInformation;
1934 }
1936 {
1937 /* Get exception code */
1939 _SEH2_YIELD(break);
1940 }
1941 _SEH2_END;
1942
1943 /* Call Mm for the update */
1944 Status = MmSetExecuteOptions(NoExecute);
1945 break;
1946
1947 case ProcessDeviceMap:
1948
1949 /* Check buffer length */
1950 if (ProcessInformationLength != sizeof(HANDLE))
1951 {
1953 break;
1954 }
1955
1956 /* Use SEH for capture */
1957 _SEH2_TRY
1958 {
1959 /* Capture the handle */
1960 DirectoryHandle = *(PHANDLE)ProcessInformation;
1961 }
1963 {
1964 /* Get the exception code */
1966 _SEH2_YIELD(break);
1967 }
1968 _SEH2_END;
1969
1970 /* Call Ob to set the device map */
1972 break;
1973
1974
1975 /* We currently don't implement any of these */
1977 case ProcessLdtSize:
1979 DPRINT1("VDM/16-bit Request not implemented: %lx\n", ProcessInformationClass);
1981 break;
1982
1983 case ProcessQuotaLimits:
1984
1986 1,
1987 ProcessInformation,
1988 ProcessInformationLength,
1989 PreviousMode);
1990 break;
1991
1993 DPRINT1("WS watch not implemented\n");
1995 break;
1996
1998 DPRINT1("Handle tracing not implemented\n");
2000 break;
2001
2002 /* Anything else is invalid */
2003 default:
2004 DPRINT1("Invalid Server 2003 Info Class: %lx\n", ProcessInformationClass);
2006 }
2007
2008 /* Dereference and return status */
2010 return Status;
2011}
#define STATUS_PRIVILEGE_NOT_HELD
Definition: DriverTester.h:9
static HANDLE DirectoryHandle
Definition: ObType.c:48
unsigned char BOOLEAN
KAFFINITY * PKAFFINITY
Definition: basetsd.h:195
#define UNIMPLEMENTED
Definition: debug.h:118
ULONG_PTR KAFFINITY
Definition: compat.h:85
LONG KPRIORITY
Definition: compat.h:803
#define UlongToPtr(u)
Definition: config.h:106
FORCEINLINE VOID ExAcquirePushLockShared(PEX_PUSH_LOCK PushLock)
Definition: ex.h:1105
FORCEINLINE VOID ExReleasePushLockShared(PEX_PUSH_LOCK PushLock)
Definition: ex.h:1213
#define PROCESS_SUSPEND_RESUME
Definition: pstypes.h:167
#define PROCESS_PRIORITY_CLASS_ABOVE_NORMAL
Definition: pstypes.h:112
#define PSF_NO_DEBUG_INHERIT_BIT
Definition: pstypes.h:274
#define PROCESS_SET_SESSIONID
Definition: pstypes.h:159
@ PsProcessPriorityForeground
Definition: pstypes.h:421
@ PsProcessPriorityBackground
Definition: pstypes.h:422
#define PROCESS_SET_INFORMATION
Definition: pstypes.h:165
#define PSF_VDM_ALLOWED_BIT
Definition: pstypes.h:296
#define PROCESS_PRIORITY_CLASS_REALTIME
Definition: pstypes.h:110
struct _PROCESS_FOREGROUND_BACKGROUND * PPROCESS_FOREGROUND_BACKGROUND
#define MEMORY_PRIORITY_BACKGROUND
Definition: pstypes.h:124
#define PSF_BREAK_ON_TERMINATION_BIT
Definition: pstypes.h:285
#define MEMORY_PRIORITY_FOREGROUND
Definition: pstypes.h:126
@ ProcessAffinityMask
Definition: winternl.h:877
@ ProcessIoPortHandlers
Definition: winternl.h:869
@ ProcessRaisePriority
Definition: winternl.h:862
@ ProcessLdtSize
Definition: winternl.h:867
@ ProcessEnableAlignmentFaultFixup
Definition: winternl.h:873
@ ProcessBasePriority
Definition: winternl.h:861
@ ProcessAccessToken
Definition: winternl.h:865
@ ProcessForegroundInformation
Definition: winternl.h:881
@ ProcessExceptionPort
Definition: winternl.h:864
@ ProcessUserModeIOPL
Definition: winternl.h:872
struct _PROCESS_ACCESS_TOKEN * PPROCESS_ACCESS_TOKEN
#define LOW_PRIORITY
#define HIGH_PRIORITY
#define InterlockedCompareExchangePointer
Definition: interlocked.h:129
#define KeLeaveCriticalRegion()
Definition: ke_x.h:119
#define KeEnterCriticalRegion()
Definition: ke_x.h:88
POBJECT_TYPE LpcPortObjectType
Definition: port.c:17
#define KernelMode
Definition: asm.h:34
_In_ ACCESS_MASK _In_ ULONG _Out_ PHANDLE TokenHandle
Definition: psfuncs.h:726
#define SEM_NOALIGNMENTFAULTEXCEPT
Definition: rtltypes.h:71
ULONG ACCESS_MASK
Definition: nt_native.h:40
KAFFINITY NTAPI KeSetAffinityProcess(IN PKPROCESS Process, IN KAFFINITY Affinity)
Definition: procobj.c:265
KAFFINITY KeActiveProcessors
Definition: krnlinit.c:23
VOID NTAPI Ke386SetIOPL(VOID)
Definition: v86vdm.c:581
BOOLEAN NTAPI KeSetDisableBoostProcess(IN PKPROCESS Process, IN BOOLEAN Disable)
Definition: procobj.c:331
BOOLEAN NTAPI KeSetDisableBoostThread(IN OUT PKTHREAD Thread, IN BOOLEAN Disable)
Definition: thrdobj.c:86
BOOLEAN NTAPI KeSetAutoAlignmentProcess(IN PKPROCESS Process, IN BOOLEAN Enable)
Definition: procobj.c:313
VOID NTAPI KeBoostPriorityThread(IN PKTHREAD Thread, IN KPRIORITY Increment)
Definition: thrdobj.c:220
KPRIORITY NTAPI KeSetPriorityAndQuantumProcess(IN PKPROCESS Process, IN KPRIORITY Priority, IN UCHAR Quantum OPTIONAL)
Definition: procobj.c:349
NTSTATUS NTAPI MmSetExecuteOptions(IN ULONG ExecuteOptions)
Definition: pagfault.c:2695
NTSTATUS NTAPI MmSetMemoryPriorityProcess(IN PEPROCESS Process, IN UCHAR MemoryPriority)
Definition: procsup.c:486
static __inline NTSTATUS DefaultSetInfoBufferCheck(_In_ ULONG Class, _In_ const INFORMATION_CLASS_INFO *ClassList, _In_ ULONG ClassListEntries, _In_ PVOID Buffer, _In_ ULONG BufferLength, _In_ KPROCESSOR_MODE PreviousMode)
Probe helper that validates the provided parameters whenever a NtSet*** system call is invoked from u...
Definition: probe.h:70
const LUID SeDebugPrivilege
Definition: priv.c:39
BOOLEAN NTAPI SeCheckPrivilegedObject(_In_ LUID PrivilegeValue, _In_ HANDLE ObjectHandle, _In_ ACCESS_MASK DesiredAccess, _In_ KPROCESSOR_MODE PreviousMode)
Checks a privileged object if such object has the specific privilege submitted by the caller.
Definition: priv.c:803
const LUID SeTcbPrivilege
Definition: priv.c:26
const LUID SeIncreaseBasePriorityPrivilege
Definition: priv.c:33
VOID NTAPI PsSetProcessPriorityByClass(IN PEPROCESS Process, IN PSPROCESSPRIORITYMODE Type)
Definition: process.c:1325
BOOLEAN NTAPI SeSinglePrivilegeCheck(_In_ LUID PrivilegeValue, _In_ KPROCESSOR_MODE PreviousMode)
Checks if a single privilege is present in the context of the calling thread.
Definition: priv.c:744
#define STATUS_PROCESS_IS_TERMINATING
Definition: ntstatus.h:502
#define STATUS_PORT_ALREADY_SET
Definition: ntstatus.h:308
NTSTATUS NTAPI ObSetDeviceMap(IN PEPROCESS Process, IN HANDLE DirectoryHandle)
Definition: devicemap.c:24
VOID NTAPI KeDetachProcess(VOID)
Definition: procobj.c:621
VOID NTAPI KeAttachProcess(IN PKPROCESS Process)
Definition: procobj.c:582
NTSTATUS NTAPI PspSetPrimaryToken(IN PEPROCESS Process, IN HANDLE TokenHandle OPTIONAL, IN PACCESS_TOKEN Token OPTIONAL)
Definition: security.c:215
NTSTATUS NTAPI PspSetQuotaLimits(_In_ PEPROCESS Process, _In_ ULONG Unused, _In_ PVOID QuotaLimits, _In_ ULONG QuotaLimitsLength, _In_ KPROCESSOR_MODE PreviousMode)
This function adjusts the working set limits of a process and sets up new quota limits when necessary...
Definition: quota.c:1045
#define PspClearProcessFlag(Process, Flag)
Definition: ps_x.h:35
#define PspSetProcessFlag(Process, Flag)
Definition: ps_x.h:33
#define _WIN32_WINNT_WS03
Definition: sdkddkver.h:23
Definition: typedefs.h:120
unsigned char * PBOOLEAN
Definition: typedefs.h:53
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
#define STATUS_ACCESS_DENIED
Definition: udferr_usr.h:145
BOOLEAN HasPrivilege(IN PPRIVILEGE_SET Privilege)
Definition: shutdown.c:92
_In_ ULONG _In_ ULONG _In_ ULONG _Out_ PKIRQL _Out_ PKAFFINITY Affinity
Definition: halfuncs.h:174
unsigned char UCHAR
Definition: xmlstorage.h:181

Referenced by _main(), CreateProcessInternalW(), CSR_API(), CsrCreateProcess(), CsrpSetDefaultProcessHardErrorMode(), CsrSbCreateSession(), CsrSetBackgroundPriority(), CsrSetForegroundPriority(), CsrSetToNormalPriority(), CsrSetToShutdownPriority(), EmptyWorkingSet(), InitFunctionPtrs(), InitializeProcessForWsWatch(), InsertTokenToProcessCommon(), LdrpInitializeProcess(), QuerySetProcessValidator(), SetErrorMode(), SetPriorityClass(), SetProcessAffinityMask(), SetProcessPriorityBoost(), SetProcessWorkingSetSizeEx(), SmpInit(), SmpSbCreateSession(), SmpSetProcessMuSessionId(), Test_ProcBasePriorityClass(), Test_ProcessWx86InformationClass(), Test_ProcForegroundBackgroundClass(), and Test_ProcRaisePriorityClass().

◆ NtSetInformationThread()

NTSTATUS NTAPI NtSetInformationThread ( IN HANDLE  ThreadHandle,
IN THREADINFOCLASS  ThreadInformationClass,
IN PVOID  ThreadInformation,
IN ULONG  ThreadInformationLength 
)

Definition at line 2018 of file query.c.

2022{
2027 KPRIORITY Priority = 0;
2028 KAFFINITY Affinity = 0, CombinedAffinity;
2029 PVOID Address = NULL;
2031 ULONG_PTR DisableBoost = 0;
2032 ULONG_PTR IdealProcessor = 0;
2033 ULONG_PTR Break = 0;
2034 PTEB Teb;
2035 ULONG_PTR TlsIndex = 0;
2036 PVOID *ExpansionSlots;
2037 PETHREAD ProcThread;
2039 PAGED_CODE();
2040
2041 /* Verify Information Class validity */
2045 ThreadInformation,
2047 PreviousMode);
2048 if (!NT_SUCCESS(Status))
2049 {
2050 DPRINT1("NtSetInformationThread(): Information verification class failed! (Status -> 0x%lx, ThreadInformationClass -> %lx)\n", Status, ThreadInformationClass);
2051 return Status;
2052 }
2053
2054 /* Check what kind of information class this is */
2055 switch (ThreadInformationClass)
2056 {
2057 /* Thread priority */
2058 case ThreadPriority:
2059
2060 /* Check buffer length */
2061 if (ThreadInformationLength != sizeof(KPRIORITY))
2062 {
2064 break;
2065 }
2066
2067 /* Use SEH for capture */
2068 _SEH2_TRY
2069 {
2070 /* Get the priority */
2071 Priority = *(PLONG)ThreadInformation;
2072 }
2074 {
2075 /* Get the exception code */
2077 _SEH2_YIELD(break);
2078 }
2079 _SEH2_END;
2080
2081 /* Validate it */
2082 if ((Priority > HIGH_PRIORITY) ||
2084 {
2085 /* Fail */
2087 break;
2088 }
2089
2090 /* Check for the required privilege */
2092 {
2094 ThreadHandle,
2096 PreviousMode);
2097 if (!HasPrivilege)
2098 {
2099 DPRINT1("Privilege to change priority to %lx lacking\n", Priority);
2101 }
2102 }
2103
2104 /* Reference the thread */
2105 Status = ObReferenceObjectByHandle(ThreadHandle,
2109 (PVOID*)&Thread,
2110 NULL);
2111 if (!NT_SUCCESS(Status))
2112 break;
2113
2114 /* Set the priority */
2116
2117 /* Dereference the thread */
2119 break;
2120
2121 case ThreadBasePriority:
2122
2123 /* Check buffer length */
2124 if (ThreadInformationLength != sizeof(LONG))
2125 {
2127 break;
2128 }
2129
2130 /* Use SEH for capture */
2131 _SEH2_TRY
2132 {
2133 /* Get the priority */
2134 Priority = *(PLONG)ThreadInformation;
2135 }
2137 {
2138 /* Get the exception code */
2140 _SEH2_YIELD(break);
2141 }
2142 _SEH2_END;
2143
2144 /* Validate it */
2147 {
2148 /* These ones are OK */
2149 if ((Priority != THREAD_BASE_PRIORITY_LOWRT + 1) &&
2151 {
2152 /* Check if the process is real time */
2153 if (PsGetCurrentProcess()->PriorityClass !=
2155 {
2156 /* It isn't, fail */
2158 break;
2159 }
2160 }
2161 }
2162
2163 /* Reference the thread */
2164 Status = ObReferenceObjectByHandle(ThreadHandle,
2168 (PVOID*)&Thread,
2169 NULL);
2170 if (!NT_SUCCESS(Status))
2171 break;
2172
2173 /* Set the base priority */
2175
2176 /* Dereference the thread */
2178 break;
2179
2180 case ThreadAffinityMask:
2181
2182 /* Check buffer length */
2183 if (ThreadInformationLength != sizeof(ULONG_PTR))
2184 {
2186 break;
2187 }
2188
2189 /* Use SEH for capture */
2190 _SEH2_TRY
2191 {
2192 /* Get the priority */
2193 Affinity = *(PULONG_PTR)ThreadInformation;
2194 }
2196 {
2197 /* Get the exception code */
2199 _SEH2_YIELD(break);
2200 }
2201 _SEH2_END;
2202
2203 /* Validate it */
2204 if (!Affinity)
2205 {
2206 /* Fail */
2208 break;
2209 }
2210
2211 /* Reference the thread */
2212 Status = ObReferenceObjectByHandle(ThreadHandle,
2216 (PVOID*)&Thread,
2217 NULL);
2218 if (!NT_SUCCESS(Status))
2219 break;
2220
2221 /* Get the process */
2222 Process = Thread->ThreadsProcess;
2223
2224 /* Try to acquire rundown */
2225 if (ExAcquireRundownProtection(&Process->RundownProtect))
2226 {
2227 /* Lock it */
2229 ExAcquirePushLockShared(&Process->ProcessLock);
2230
2231 /* Combine masks */
2232 CombinedAffinity = Affinity & Process->Pcb.Affinity;
2233 if (CombinedAffinity != Affinity)
2234 {
2235 /* Fail */
2237 }
2238 else
2239 {
2240 /* Set the affinity */
2241 KeSetAffinityThread(&Thread->Tcb, CombinedAffinity);
2242 }
2243
2244 /* Release the lock and rundown */
2245 ExReleasePushLockShared(&Process->ProcessLock);
2247 ExReleaseRundownProtection(&Process->RundownProtect);
2248 }
2249 else
2250 {
2251 /* Too late */
2253 }
2254
2255 /* Dereference the thread */
2257 break;
2258
2260
2261 /* Check buffer length */
2262 if (ThreadInformationLength != sizeof(HANDLE))
2263 {
2265 break;
2266 }
2267
2268 /* Use SEH for capture */
2269 _SEH2_TRY
2270 {
2271 /* Save the token handle */
2272 TokenHandle = *(PHANDLE)ThreadInformation;
2273 }
2275 {
2276 /* Get the exception code */
2278 _SEH2_YIELD(break);
2279 }
2280 _SEH2_END;
2281
2282 /* Reference the thread */
2283 Status = ObReferenceObjectByHandle(ThreadHandle,
2287 (PVOID*)&Thread,
2288 NULL);
2289 if (!NT_SUCCESS(Status))
2290 break;
2291
2292 /* Assign the actual token */
2294
2295 /* Dereference the thread */
2297 break;
2298
2300
2301 /* Check buffer length */
2302 if (ThreadInformationLength != sizeof(ULONG_PTR))
2303 {
2305 break;
2306 }
2307
2308 /* Use SEH for capture */
2309 _SEH2_TRY
2310 {
2311 /* Get the priority */
2312 Address = *(PVOID*)ThreadInformation;
2313 }
2315 {
2316 /* Get the exception code */
2318 _SEH2_YIELD(break);
2319 }
2320 _SEH2_END;
2321
2322 /* Reference the thread */
2323 Status = ObReferenceObjectByHandle(ThreadHandle,
2327 (PVOID*)&Thread,
2328 NULL);
2329 if (!NT_SUCCESS(Status))
2330 break;
2331
2332 /* Set the address */
2334
2335 /* Dereference the thread */
2337 break;
2338
2340
2341 /* Check buffer length */
2342 if (ThreadInformationLength != sizeof(ULONG_PTR))
2343 {
2345 break;
2346 }
2347
2348 /* Use SEH for capture */
2349 _SEH2_TRY
2350 {
2351 /* Get the priority */
2352 IdealProcessor = *(PULONG_PTR)ThreadInformation;
2353 }
2355 {
2356 /* Get the exception code */
2358 _SEH2_YIELD(break);
2359 }
2360 _SEH2_END;
2361
2362 /* Validate it */
2363 if (IdealProcessor > MAXIMUM_PROCESSORS)
2364 {
2365 /* Fail */
2367 break;
2368 }
2369
2370 /* Reference the thread */
2371 Status = ObReferenceObjectByHandle(ThreadHandle,
2375 (PVOID*)&Thread,
2376 NULL);
2377 if (!NT_SUCCESS(Status))
2378 break;
2379
2380 /* Set the ideal */
2382 (CCHAR)IdealProcessor);
2383
2384 /* Get the TEB and protect the thread */
2385 Teb = Thread->Tcb.Teb;
2387 {
2388 /* Save the ideal processor */
2389 Teb->IdealProcessor = Thread->Tcb.IdealProcessor;
2390
2391 /* Release rundown protection */
2393 }
2394
2395 /* Dereference the thread */
2397 break;
2398
2400
2401 /* Check buffer length */
2402 if (ThreadInformationLength != sizeof(ULONG_PTR))
2403 {
2405 break;
2406 }
2407
2408 /* Use SEH for capture */
2409 _SEH2_TRY
2410 {
2411 /* Get the priority */
2412 DisableBoost = *(PULONG_PTR)ThreadInformation;
2413 }
2415 {
2416 /* Get the exception code */
2418 _SEH2_YIELD(break);
2419 }
2420 _SEH2_END;
2421
2422 /* Reference the thread */
2423 Status = ObReferenceObjectByHandle(ThreadHandle,
2427 (PVOID*)&Thread,
2428 NULL);
2429 if (!NT_SUCCESS(Status))
2430 break;
2431
2432 /* Call the kernel */
2433 KeSetDisableBoostThread(&Thread->Tcb, (BOOLEAN)DisableBoost);
2434
2435 /* Dereference the thread */
2437 break;
2438
2439 case ThreadZeroTlsCell:
2440
2441 /* Check buffer length */
2442 if (ThreadInformationLength != sizeof(ULONG))
2443 {
2445 break;
2446 }
2447
2448 /* Use SEH for capture */
2449 _SEH2_TRY
2450 {
2451 /* Get the priority */
2452 TlsIndex = *(PULONG)ThreadInformation;
2453 }
2455 {
2456 /* Get the exception code */
2458 _SEH2_YIELD(break);
2459 }
2460 _SEH2_END;
2461
2462 /* Reference the thread */
2463 Status = ObReferenceObjectByHandle(ThreadHandle,
2467 (PVOID*)&Thread,
2468 NULL);
2469 if (!NT_SUCCESS(Status))
2470 break;
2471
2472 /* This is only valid for the current thread */
2473 if (Thread != PsGetCurrentThread())
2474 {
2475 /* Fail */
2478 break;
2479 }
2480
2481 /* Get the process */
2482 Process = Thread->ThreadsProcess;
2483
2484 /* Loop the threads */
2485 ProcThread = PsGetNextProcessThread(Process, NULL);
2486 while (ProcThread)
2487 {
2488 /* Acquire rundown */
2490 {
2491 /* Get the TEB */
2492 Teb = ProcThread->Tcb.Teb;
2493 if (Teb)
2494 {
2495 /* Check if we're in the expansion range */
2497 {
2500 {
2501 /* Check if we have expansion slots */
2502 ExpansionSlots = Teb->TlsExpansionSlots;
2503 if (ExpansionSlots)
2504 {
2505 /* Clear the index */
2506 ExpansionSlots[TlsIndex - TLS_MINIMUM_AVAILABLE] = 0;
2507 }
2508 }
2509 }
2510 else
2511 {
2512 /* Clear the index */
2513 Teb->TlsSlots[TlsIndex] = NULL;
2514 }
2515 }
2516
2517 /* Release rundown */
2519 }
2520
2521 /* Go to the next thread */
2522 ProcThread = PsGetNextProcessThread(Process, ProcThread);
2523 }
2524
2525 /* Dereference the thread */
2527 break;
2528
2530
2531 /* Check buffer length */
2532 if (ThreadInformationLength != sizeof(ULONG))
2533 {
2535 break;
2536 }
2537
2538 /* Enter SEH for direct buffer read */
2539 _SEH2_TRY
2540 {
2541 Break = *(PULONG)ThreadInformation;
2542 }
2544 {
2545 /* Get exception code */
2546 Break = 0;
2548 _SEH2_YIELD(break);
2549 }
2550 _SEH2_END;
2551
2552 /* Setting 'break on termination' requires the SeDebugPrivilege */
2554 {
2555 /* We don't hold the privilege, bail out */
2557 break;
2558 }
2559
2560 /* Reference the thread */
2561 Status = ObReferenceObjectByHandle(ThreadHandle,
2565 (PVOID*)&Thread,
2566 NULL);
2567 if (!NT_SUCCESS(Status))
2568 break;
2569
2570 /* Set or clear the flag */
2571 if (Break)
2572 {
2574 }
2575 else
2576 {
2578 }
2579
2580 /* Dereference the thread */
2582 break;
2583
2585
2586 /* Check buffer length */
2587 if (ThreadInformationLength != 0)
2588 {
2590 break;
2591 }
2592
2593 /* Reference the thread */
2594 Status = ObReferenceObjectByHandle(ThreadHandle,
2598 (PVOID*)&Thread,
2599 NULL);
2600 if (!NT_SUCCESS(Status))
2601 break;
2602
2603 /* Set the flag */
2605
2606 /* Dereference the thread */
2608 break;
2609
2610 default:
2611 /* We don't implement it yet */
2612 DPRINT1("Not implemented: %d\n", ThreadInformationClass);
2614 }
2615
2616 return Status;
2617}
@ ThreadPriority
Definition: compat.h:937
@ ThreadIdealProcessor
Definition: compat.h:948
@ ThreadBreakOnTermination
Definition: compat.h:953
@ ThreadImpersonationToken
Definition: compat.h:940
@ ThreadAffinityMask
Definition: compat.h:939
@ ThreadBasePriority
Definition: compat.h:938
@ ThreadZeroTlsCell
Definition: compat.h:945
@ ThreadHideFromDebugger
Definition: compat.h:952
#define PsGetCurrentThread()
Definition: env_spec_w32.h:81
#define MAXIMUM_PROCESSORS
Definition: rwlock.h:5
#define THREAD_SET_THREAD_TOKEN
Definition: pstypes.h:150
#define THREAD_BASE_PRIORITY_LOWRT
Definition: pstypes.h:182
#define CT_HIDE_FROM_DEBUGGER_BIT
Definition: pstypes.h:240
#define THREAD_BASE_PRIORITY_MIN
Definition: pstypes.h:184
#define THREAD_BASE_PRIORITY_MAX
Definition: pstypes.h:183
#define THREAD_BASE_PRIORITY_IDLE
Definition: pstypes.h:185
#define TLS_EXPANSION_SLOTS
Definition: pstypes.h:310
#define CT_BREAK_ON_TERMINATION_BIT
Definition: pstypes.h:244
#define LOW_REALTIME_PRIORITY
#define THREAD_SET_INFORMATION
Definition: nt_native.h:1337
NTSTATUS NTAPI PsAssignImpersonationToken(IN PETHREAD Thread, IN HANDLE TokenHandle)
Definition: security.c:502
static WCHAR Address[46]
Definition: ping.c:68
PETHREAD NTAPI PsGetNextProcessThread(IN PEPROCESS Process, IN PETHREAD Thread OPTIONAL)
Definition: process.c:75
#define PspSetCrossThreadFlag(Thread, Flag)
Definition: ps_x.h:25
#define PspClearCrossThreadFlag(Thread, Flag)
Definition: ps_x.h:27
#define TLS_MINIMUM_AVAILABLE
Definition: ntddk_ex.h:236
EX_RUNDOWN_REF RundownProtect
Definition: pstypes.h:1159
ULONG IdealProcessor
Definition: ketypes.h:1944
Definition: compat.h:836
PVOID * TlsExpansionSlots
Definition: compat.h:894
PVOID TlsSlots[64]
Definition: compat.h:879
UCHAR NTAPI KeSetIdealProcessorThread(IN PKTHREAD Thread, IN UCHAR Processor)
Definition: thrdobj.c:1066
LONG NTAPI KeSetBasePriorityThread(IN PKTHREAD Thread, IN LONG Increment)
Definition: thrdobj.c:1176
KPRIORITY NTAPI KeSetPriorityThread(IN PKTHREAD Thread, IN KPRIORITY Priority)
Definition: thrdobj.c:1319
KAFFINITY NTAPI KeSetAffinityThread(IN PKTHREAD Thread, IN KAFFINITY Affinity)
Definition: thrdobj.c:1295
int32_t * PLONG
Definition: typedefs.h:58
char CCHAR
Definition: typedefs.h:51
_In_ WDFINTERRUPT _In_ WDF_INTERRUPT_POLICY _In_ WDF_INTERRUPT_PRIORITY Priority
Definition: wdfinterrupt.h:655
#define TlsIndex
Definition: ws2_32p.h:277

Referenced by BaseGetNamedObjectDirectory(), BaseProcessStartup(), CreateProcessAsUserCommon(), CsrRevertToSelf(), ImpersonateLoggedOnUser(), init_funcs(), InitFunctionPtrs(), InitializeDeviceData(), MiInitBalancerThread(), NpGetUserNamep(), QuerySetThreadValidator(), RevertToSelf(), RtlpExecuteIoWorkItem(), RtlpExecuteWorkItem(), SetThreadAffinityMask(), SetThreadIdealProcessor(), SetThreadPriority(), SetThreadPriorityBoost(), SetThreadToken(), START_TEST(), Test_ThreadPriorityClass(), and TlsFree().

◆ PsReferenceProcessFilePointer()

NTSTATUS NTAPI PsReferenceProcessFilePointer ( IN PEPROCESS  Process,
OUT PFILE_OBJECT FileObject 
)

Definition at line 24 of file query.c.

26{
27 PSECTION Section;
28 PAGED_CODE();
29
30 /* Lock the process */
31 if (!ExAcquireRundownProtection(&Process->RundownProtect))
32 {
34 }
35
36 /* Get the section */
37 Section = Process->SectionObject;
38 if (Section)
39 {
40 /* Get the file object and reference it */
43 }
44
45 /* Release the protection */
46 ExReleaseRundownProtection(&Process->RundownProtect);
47
48 /* Return status */
49 return Section ? STATUS_SUCCESS : STATUS_UNSUCCESSFUL;
50}
PFILE_OBJECT NTAPI MmGetFileObjectForSection(IN PVOID Section)
Definition: section.c:1541
#define STATUS_UNSUCCESSFUL
Definition: udferr_usr.h:132
_In_ WDFREQUEST _In_ WDFFILEOBJECT FileObject
Definition: wdfdevice.h:550
#define ObReferenceObject
Definition: obfuncs.h:204

Referenced by SeLocateProcessImageName().

Variable Documentation

◆ PspTraceLevel

ULONG PspTraceLevel = 0

Definition at line 18 of file query.c.