ReactOS 0.4.16-dev-92-g0c2cdca
Macros | Functions | Variables
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{
66 PEPROCESS Process;
67 KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
68 NTSTATUS Status;
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;
77 PPROCESS_SESSION_INFORMATION SessionInfo =
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;
82 PUNICODE_STRING ImageName;
83 ULONG Cookie, ExecuteOptions = 0;
84 ULONG_PTR Wow64 = 0;
85 PROCESS_VALUES ProcessValues;
86 ULONG Flags;
87 PAGED_CODE();
88
89 /* Verify Information Class validity */
90 Status = DefaultQueryInfoBufferCheck(ProcessInformationClass,
91 PsProcessInfoClass,
92 RTL_NUMBER_OF(PsProcessInfoClass),
93 ICIF_PROBE_READ,
94 ProcessInformation,
95 ProcessInformationLength,
96 ReturnLength,
97 NULL,
98 PreviousMode);
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)) &&
107 (ProcessHandle != NtCurrentProcess()))
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 */
114 return STATUS_INVALID_PARAMETER;
115 }
116
117 /* Check the information class */
118 switch (ProcessInformationClass)
119 {
120 /* Basic process information */
121 case ProcessBasicInformation:
122
123 if (ProcessInformationLength != sizeof(PROCESS_BASIC_INFORMATION))
124 {
125 Status = STATUS_INFO_LENGTH_MISMATCH;
126 break;
127 }
128
129 /* Set return length */
130 Length = sizeof(PROCESS_BASIC_INFORMATION);
131
132 /* Reference the process */
133 Status = ObReferenceObjectByHandle(ProcessHandle,
134 PROCESS_QUERY_INFORMATION,
135 PsProcessType,
136 PreviousMode,
137 (PVOID*)&Process,
138 NULL);
139 if (!NT_SUCCESS(Status)) break;
140
141 /* Protect writes with SEH */
142 _SEH2_TRY
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 }
155 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
156 {
157 /* Get exception code */
158 Status = _SEH2_GetExceptionCode();
159 }
160 _SEH2_END;
161
162 /* Dereference the process */
163 ObDereferenceObject(Process);
164 break;
165
166 /* Process quota limits */
167 case ProcessQuotaLimits:
168
169 if (ProcessInformationLength != sizeof(QUOTA_LIMITS))
170 {
171 Status = STATUS_INFO_LENGTH_MISMATCH;
172 break;
173 }
174
175 Length = sizeof(QUOTA_LIMITS);
176
177 /* Reference the process */
178 Status = ObReferenceObjectByHandle(ProcessHandle,
179 PROCESS_QUERY_INFORMATION,
180 PsProcessType,
181 PreviousMode,
182 (PVOID*)&Process,
183 NULL);
184 if (!NT_SUCCESS(Status)) break;
185
186 /* Indicate success */
187 Status = STATUS_SUCCESS;
188
189 _SEH2_TRY
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 }
220 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
221 {
222 /* Get exception code */
223 Status = _SEH2_GetExceptionCode();
224 }
225 _SEH2_END;
226
227 /* Dereference the process */
228 ObDereferenceObject(Process);
229 break;
230
231 case ProcessIoCounters:
232
233 if (ProcessInformationLength != sizeof(IO_COUNTERS))
234 {
235 Status = STATUS_INFO_LENGTH_MISMATCH;
236 break;
237 }
238
239 Length = sizeof(IO_COUNTERS);
240
241 /* Reference the process */
242 Status = ObReferenceObjectByHandle(ProcessHandle,
243 PROCESS_QUERY_INFORMATION,
244 PsProcessType,
245 PreviousMode,
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
253 _SEH2_TRY
254 {
255 RtlCopyMemory(IoCounters, &ProcessValues.IoInfo, sizeof(IO_COUNTERS));
256 }
257 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
258 {
259 /* Ignore exception */
260 }
261 _SEH2_END;
262
263 /* Set status to success in any case */
264 Status = STATUS_SUCCESS;
265
266 /* Dereference the process */
267 ObDereferenceObject(Process);
268 break;
269
270 /* Timing */
271 case ProcessTimes:
272
273 /* Set the return length */
274 if (ProcessInformationLength != sizeof(KERNEL_USER_TIMES))
275 {
276 Status = STATUS_INFO_LENGTH_MISMATCH;
277 break;
278 }
279
280 Length = sizeof(KERNEL_USER_TIMES);
281
282 /* Reference the process */
283 Status = ObReferenceObjectByHandle(ProcessHandle,
284 PROCESS_QUERY_INFORMATION,
285 PsProcessType,
286 PreviousMode,
287 (PVOID*)&Process,
288 NULL);
289 if (!NT_SUCCESS(Status)) break;
290
291 /* Protect writes with SEH */
292 _SEH2_TRY
293 {
294 /* Copy time information from EPROCESS/KPROCESS */
295 KernelTime = KeQueryRuntimeProcess(&Process->Pcb, &UserTime);
296 ProcessTime->CreateTime = Process->CreateTime;
297 ProcessTime->UserTime.QuadPart = (LONGLONG)UserTime * KeMaximumIncrement;
298 ProcessTime->KernelTime.QuadPart = (LONGLONG)KernelTime * KeMaximumIncrement;
299 ProcessTime->ExitTime = Process->ExitTime;
300 }
301 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
302 {
303 /* Get exception code */
304 Status = _SEH2_GetExceptionCode();
305 }
306 _SEH2_END;
307
308 /* Dereference the process */
309 ObDereferenceObject(Process);
310 break;
311
312 /* Process Debug Port */
313 case ProcessDebugPort:
314
315 if (ProcessInformationLength != sizeof(HANDLE))
316 {
317 Status = STATUS_INFO_LENGTH_MISMATCH;
318 break;
319 }
320
321 /* Set return length */
322 Length = sizeof(HANDLE);
323
324 /* Reference the process */
325 Status = ObReferenceObjectByHandle(ProcessHandle,
326 PROCESS_QUERY_INFORMATION,
327 PsProcessType,
328 PreviousMode,
329 (PVOID*)&Process,
330 NULL);
331 if (!NT_SUCCESS(Status)) break;
332
333 /* Protect write with SEH */
334 _SEH2_TRY
335 {
336 /* Return whether or not we have a debug port */
337 *(PHANDLE)ProcessInformation = (Process->DebugPort ?
338 (HANDLE)-1 : NULL);
339 }
340 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
341 {
342 /* Get exception code */
343 Status = _SEH2_GetExceptionCode();
344 }
345 _SEH2_END;
346
347 /* Dereference the process */
348 ObDereferenceObject(Process);
349 break;
350
351 case ProcessHandleCount:
352
353 if (ProcessInformationLength != sizeof(ULONG))
354 {
355 Status = STATUS_INFO_LENGTH_MISMATCH;
356 break;
357 }
358
359 /* Set the return length*/
360 Length = sizeof(ULONG);
361
362 /* Reference the process */
363 Status = ObReferenceObjectByHandle(ProcessHandle,
364 PROCESS_QUERY_INFORMATION,
365 PsProcessType,
366 PreviousMode,
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 */
375 _SEH2_TRY
376 {
377 /* Return the count of handles */
378 *(PULONG)ProcessInformation = HandleCount;
379 }
380 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
381 {
382 /* Get the exception code */
383 Status = _SEH2_GetExceptionCode();
384 }
385 _SEH2_END;
386
387 /* Dereference the process */
388 ObDereferenceObject(Process);
389 break;
390
391 /* Session ID for the process */
392 case ProcessSessionInformation:
393
394 if (ProcessInformationLength != sizeof(PROCESS_SESSION_INFORMATION))
395 {
396 Status = STATUS_INFO_LENGTH_MISMATCH;
397 break;
398 }
399
400 /* Set the return length*/
401 Length = sizeof(PROCESS_SESSION_INFORMATION);
402
403 /* Reference the process */
404 Status = ObReferenceObjectByHandle(ProcessHandle,
405 PROCESS_QUERY_INFORMATION,
406 PsProcessType,
407 PreviousMode,
408 (PVOID*)&Process,
409 NULL);
410 if (!NT_SUCCESS(Status)) break;
411
412 /* Enter SEH for write safety */
413 _SEH2_TRY
414 {
415 /* Write back the Session ID */
416 SessionInfo->SessionId = PsGetProcessSessionId(Process);
417 }
418 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
419 {
420 /* Get the exception code */
421 Status = _SEH2_GetExceptionCode();
422 }
423 _SEH2_END;
424
425 /* Dereference the process */
426 ObDereferenceObject(Process);
427 break;
428
429 /* Virtual Memory Statistics */
430 case ProcessVmCounters:
431
432 /* Validate the input length */
433 if ((ProcessInformationLength != sizeof(VM_COUNTERS)) &&
434 (ProcessInformationLength != sizeof(VM_COUNTERS_EX)))
435 {
436 Status = STATUS_INFO_LENGTH_MISMATCH;
437 break;
438 }
439
440 /* Reference the process */
441 Status = ObReferenceObjectByHandle(ProcessHandle,
442 PROCESS_QUERY_INFORMATION,
443 PsProcessType,
444 PreviousMode,
445 (PVOID*)&Process,
446 NULL);
447 if (!NT_SUCCESS(Status)) break;
448
449 /* Enter SEH for write safety */
450 _SEH2_TRY
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 }
470 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
471 {
472 /* Get the exception code */
473 Status = _SEH2_GetExceptionCode();
474 }
475 _SEH2_END;
476
477 /* Dereference the process */
478 ObDereferenceObject(Process);
479 break;
480
481 /* Hard Error Processing Mode */
482 case ProcessDefaultHardErrorMode:
483
484 if (ProcessInformationLength != sizeof(ULONG))
485 {
486 Status = STATUS_INFO_LENGTH_MISMATCH;
487 break;
488 }
489
490 /* Set the return length*/
491 Length = sizeof(ULONG);
492
493 /* Reference the process */
494 Status = ObReferenceObjectByHandle(ProcessHandle,
495 PROCESS_QUERY_INFORMATION,
496 PsProcessType,
497 PreviousMode,
498 (PVOID*)&Process,
499 NULL);
500 if (!NT_SUCCESS(Status)) break;
501
502 /* Enter SEH for writing back data */
503 _SEH2_TRY
504 {
505 /* Write the current processing mode */
506 *(PULONG)ProcessInformation = Process->
507 DefaultHardErrorProcessing;
508 }
509 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
510 {
511 /* Get the exception code */
512 Status = _SEH2_GetExceptionCode();
513 }
514 _SEH2_END;
515
516 /* Dereference the process */
517 ObDereferenceObject(Process);
518 break;
519
520 /* Priority Boosting status */
521 case ProcessPriorityBoost:
522
523 if (ProcessInformationLength != sizeof(ULONG))
524 {
525 Status = STATUS_INFO_LENGTH_MISMATCH;
526 break;
527 }
528
529 /* Set the return length */
530 Length = sizeof(ULONG);
531
532 /* Reference the process */
533 Status = ObReferenceObjectByHandle(ProcessHandle,
534 PROCESS_QUERY_INFORMATION,
535 PsProcessType,
536 PreviousMode,
537 (PVOID*)&Process,
538 NULL);
539 if (!NT_SUCCESS(Status)) break;
540
541 /* Enter SEH for writing back data */
542 _SEH2_TRY
543 {
544 /* Return boost status */
545 *(PULONG)ProcessInformation = Process->Pcb.DisableBoost ?
546 TRUE : FALSE;
547 }
548 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
549 {
550 /* Get the exception code */
551 Status = _SEH2_GetExceptionCode();
552 }
553 _SEH2_END;
554
555 /* Dereference the process */
556 ObDereferenceObject(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 */
565 _SEH2_TRY
566 {
567 PPROCESS_DEVICEMAP_INFORMATION_EX DeviceMapEx = ProcessInformation;
568
569 Flags = DeviceMapEx->Flags;
570 }
571 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
572 {
573 /* Get the exception code */
574 Status = _SEH2_GetExceptionCode();
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 ||
581 !ObIsLUIDDeviceMapsEnabled())
582 {
583 Status = STATUS_INVALID_PARAMETER;
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 {
592 Status = STATUS_INFO_LENGTH_MISMATCH;
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 */
604 Status = ObReferenceObjectByHandle(ProcessHandle,
605 PROCESS_QUERY_INFORMATION,
606 PsProcessType,
607 PreviousMode,
608 (PVOID*)&Process,
609 NULL);
610 if (!NT_SUCCESS(Status)) break;
611
612 /* Query the device map information */
613 Status = ObQueryDeviceMapInformation(Process,
614 ProcessInformation,
615 Flags);
616
617 /* Dereference the process */
618 ObDereferenceObject(Process);
619 break;
620
621 /* Priority class */
622 case ProcessPriorityClass:
623
624 if (ProcessInformationLength != sizeof(PROCESS_PRIORITY_CLASS))
625 {
626 Status = STATUS_INFO_LENGTH_MISMATCH;
627 break;
628 }
629
630 /* Set the return length*/
631 Length = sizeof(PROCESS_PRIORITY_CLASS);
632
633 /* Reference the process */
634 Status = ObReferenceObjectByHandle(ProcessHandle,
635 PROCESS_QUERY_INFORMATION,
636 PsProcessType,
637 PreviousMode,
638 (PVOID*)&Process,
639 NULL);
640 if (!NT_SUCCESS(Status)) break;
641
642 /* Enter SEH for writing back data */
643 _SEH2_TRY
644 {
645 /* Return current priority class */
646 PsPriorityClass->PriorityClass = Process->PriorityClass;
647 PsPriorityClass->Foreground = FALSE;
648 }
649 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
650 {
651 /* Get the exception code */
652 Status = _SEH2_GetExceptionCode();
653 }
654 _SEH2_END;
655
656 /* Dereference the process */
657 ObDereferenceObject(Process);
658 break;
659
660 case ProcessImageFileName:
661
662 /* Reference the process */
663 Status = ObReferenceObjectByHandle(ProcessHandle,
664 PROCESS_QUERY_INFORMATION,
665 PsProcessType,
666 PreviousMode,
667 (PVOID*)&Process,
668 NULL);
669 if (!NT_SUCCESS(Status)) break;
670
671 /* Get the image path */
672 Status = SeLocateProcessImageName(Process, &ImageName);
673 if (NT_SUCCESS(Status))
674 {
675 /* Set return length */
676 Length = ImageName->MaximumLength +
677 sizeof(OBJECT_NAME_INFORMATION);
678
679 /* Make sure it's large enough */
680 if (Length <= ProcessInformationLength)
681 {
682 /* Enter SEH to protect write */
683 _SEH2_TRY
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 }
694 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
695 {
696 /* Get the exception code */
697 Status = _SEH2_GetExceptionCode();
698 }
699 _SEH2_END;
700 }
701 else
702 {
703 /* Buffer too small */
704 Status = STATUS_INFO_LENGTH_MISMATCH;
705 }
706
707 /* Free the image path */
708 ExFreePoolWithTag(ImageName, TAG_SEPA);
709 }
710 /* Dereference the process */
711 ObDereferenceObject(Process);
712 break;
713
714 case ProcessDebugFlags:
715
716 if (ProcessInformationLength != sizeof(ULONG))
717 {
718 Status = STATUS_INFO_LENGTH_MISMATCH;
719 break;
720 }
721
722 /* Set the return length*/
723 Length = sizeof(ULONG);
724
725 /* Reference the process */
726 Status = ObReferenceObjectByHandle(ProcessHandle,
727 PROCESS_QUERY_INFORMATION,
728 PsProcessType,
729 PreviousMode,
730 (PVOID*)&Process,
731 NULL);
732 if (!NT_SUCCESS(Status)) break;
733
734 /* Enter SEH for writing back data */
735 _SEH2_TRY
736 {
737 /* Return the debug flag state */
738 *(PULONG)ProcessInformation = Process->NoDebugInherit ? 0 : 1;
739 }
740 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
741 {
742 /* Get the exception code */
743 Status = _SEH2_GetExceptionCode();
744 }
745 _SEH2_END;
746
747 /* Dereference the process */
748 ObDereferenceObject(Process);
749 break;
750
751 case ProcessBreakOnTermination:
752
753 if (ProcessInformationLength != sizeof(ULONG))
754 {
755 Status = STATUS_INFO_LENGTH_MISMATCH;
756 break;
757 }
758
759 /* Set the return length */
760 Length = sizeof(ULONG);
761
762 /* Reference the process */
763 Status = ObReferenceObjectByHandle(ProcessHandle,
764 PROCESS_QUERY_INFORMATION,
765 PsProcessType,
766 PreviousMode,
767 (PVOID*)&Process,
768 NULL);
769 if (!NT_SUCCESS(Status)) break;
770
771 /* Enter SEH for writing back data */
772 _SEH2_TRY
773 {
774 /* Return the BreakOnTermination state */
775 *(PULONG)ProcessInformation = Process->BreakOnTermination;
776 }
777 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
778 {
779 /* Get the exception code */
780 Status = _SEH2_GetExceptionCode();
781 }
782 _SEH2_END;
783
784 /* Dereference the process */
785 ObDereferenceObject(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 */
794 Status = STATUS_INFO_LENGTH_MISMATCH;
795 break;
796 }
797
798 /* Get the current process and cookie */
799 Process = PsGetCurrentProcess();
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 */
814 Cookie = InterlockedCompareExchange((LONG*)&Process->Cookie,
815 NewCookie,
816 Cookie);
817 if (!Cookie) Cookie = NewCookie;
818
819 /* Set return length */
820 Length = sizeof(ULONG);
821 }
822
823 /* Indicate success */
824 Status = STATUS_SUCCESS;
825
826 /* Enter SEH to protect write */
827 _SEH2_TRY
828 {
829 /* Write back the cookie */
830 *(PULONG)ProcessInformation = Cookie;
831 }
832 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
833 {
834 /* Get the exception code */
835 Status = _SEH2_GetExceptionCode();
836 }
837 _SEH2_END;
838 break;
839
840 case ProcessImageInformation:
841
842 if (ProcessInformationLength != sizeof(SECTION_IMAGE_INFORMATION))
843 {
844 /* Break out */
845 Status = STATUS_INFO_LENGTH_MISMATCH;
846 break;
847 }
848
849 /* Set the length required and validate it */
850 Length = sizeof(SECTION_IMAGE_INFORMATION);
851
852 /* Enter SEH to protect write */
853 _SEH2_TRY
854 {
855 MmGetImageInformation((PSECTION_IMAGE_INFORMATION)ProcessInformation);
856 }
857 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
858 {
859 /* Get the exception code */
860 Status = _SEH2_GetExceptionCode();
861 }
862 _SEH2_END;
863
864 /* Indicate success */
865 Status = STATUS_SUCCESS;
866 break;
867
868 case ProcessDebugObjectHandle:
869
870 if (ProcessInformationLength != sizeof(HANDLE))
871 {
872 Status = STATUS_INFO_LENGTH_MISMATCH;
873 break;
874 }
875
876 /* Set the return length */
877 Length = sizeof(HANDLE);
878
879 /* Reference the process */
880 Status = ObReferenceObjectByHandle(ProcessHandle,
881 PROCESS_QUERY_INFORMATION,
882 PsProcessType,
883 PreviousMode,
884 (PVOID*)&Process,
885 NULL);
886 if (!NT_SUCCESS(Status)) break;
887
888 /* Get the debug port */
889 Status = DbgkOpenProcessDebugPort(Process, PreviousMode, &DebugPort);
890
891 /* Let go of the process */
892 ObDereferenceObject(Process);
893
894 /* Protect write in SEH */
895 _SEH2_TRY
896 {
897 /* Return debug port's handle */
898 *(PHANDLE)ProcessInformation = DebugPort;
899 }
900 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
901 {
902 /* Get the exception code */
903 Status = _SEH2_GetExceptionCode();
904 }
905 _SEH2_END;
906 break;
907
908 case ProcessHandleTracing:
909 DPRINT1("Handle tracing Not implemented: %lx\n", ProcessInformationClass);
910 Status = STATUS_NOT_IMPLEMENTED;
911 break;
912
913 case ProcessLUIDDeviceMapsEnabled:
914
915 if (ProcessInformationLength != sizeof(ULONG))
916 {
917 Status = STATUS_INFO_LENGTH_MISMATCH;
918 break;
919 }
920
921 /* Set the return length */
922 Length = sizeof(ULONG);
923
924 /* Indicate success */
925 Status = STATUS_SUCCESS;
926
927 /* Protect write in SEH */
928 _SEH2_TRY
929 {
930 /* Query Ob */
931 *(PULONG)ProcessInformation = ObIsLUIDDeviceMapsEnabled();
932 }
933 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
934 {
935 /* Get the exception code */
936 Status = _SEH2_GetExceptionCode();
937 }
938 _SEH2_END;
939 break;
940
941 case ProcessWx86Information:
942
943 if (ProcessInformationLength != sizeof(ULONG))
944 {
945 Status = STATUS_INFO_LENGTH_MISMATCH;
946 break;
947 }
948
949 /* Set the return length */
950 Length = sizeof(ULONG);
951
952 /* Reference the process */
953 Status = ObReferenceObjectByHandle(ProcessHandle,
954 PROCESS_QUERY_INFORMATION,
955 PsProcessType,
956 PreviousMode,
957 (PVOID*)&Process,
958 NULL);
959 if (!NT_SUCCESS(Status)) break;
960
961 /* Protect write in SEH */
962 _SEH2_TRY
963 {
964 /* Return if the flag is set */
965 *(PULONG)ProcessInformation = (ULONG)Process->VdmAllowed;
966 }
967 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
968 {
969 /* Get the exception code */
970 Status = _SEH2_GetExceptionCode();
971 }
972 _SEH2_END;
973
974 /* Dereference the process */
975 ObDereferenceObject(Process);
976 break;
977
978 case ProcessWow64Information:
979
980 if (ProcessInformationLength != sizeof(ULONG_PTR))
981 {
982 Status = STATUS_INFO_LENGTH_MISMATCH;
983 break;
984 }
985
986 /* Set return length */
987 Length = sizeof(ULONG_PTR);
988
989 /* Reference the process */
990 Status = ObReferenceObjectByHandle(ProcessHandle,
991 PROCESS_QUERY_INFORMATION,
992 PsProcessType,
993 PreviousMode,
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 }
1017 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1018 {
1019 /* Get exception code */
1020 Status = _SEH2_GetExceptionCode();
1021 }
1022 _SEH2_END;
1023
1024 /* Dereference the process */
1025 ObDereferenceObject(Process);
1026 break;
1027
1028 case ProcessExecuteFlags:
1029
1030 if (ProcessInformationLength != sizeof(ULONG))
1031 {
1032 Status = STATUS_INFO_LENGTH_MISMATCH;
1033 break;
1034 }
1035
1036 /* Set return length */
1037 Length = sizeof(ULONG);
1038
1039 if (ProcessHandle != NtCurrentProcess())
1040 {
1041 return STATUS_INVALID_PARAMETER;
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 }
1054 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1055 {
1056 /* Get exception code */
1057 Status = _SEH2_GetExceptionCode();
1058 }
1059 _SEH2_END;
1060 }
1061 break;
1062
1063 case ProcessLdtInformation:
1064 DPRINT1("VDM/16-bit not implemented: %lx\n", ProcessInformationClass);
1065 Status = STATUS_NOT_IMPLEMENTED;
1066 break;
1067
1068 case ProcessWorkingSetWatch:
1069 DPRINT1("WS Watch Not implemented: %lx\n", ProcessInformationClass);
1070 Status = STATUS_NOT_IMPLEMENTED;
1071 break;
1072
1073 case ProcessPooledUsageAndLimits:
1074 DPRINT1("Pool limits Not implemented: %lx\n", ProcessInformationClass);
1075 Status = STATUS_NOT_IMPLEMENTED;
1076 break;
1077
1078 /* Not supported by Server 2003 */
1079 default:
1080 DPRINT1("Unsupported info class: %lx\n", ProcessInformationClass);
1081 Status = STATUS_INVALID_INFO_CLASS;
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 }
1090 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1091 {
1092 /* Get exception code */
1093 Status = _SEH2_GetExceptionCode();
1094 }
1095 _SEH2_END;
1096
1097 return Status;
1098}
PAGED_CODE
#define PAGED_CODE()
Definition: Bus_PDO_EvalMethod.c:87
RTL_NUMBER_OF
#define RTL_NUMBER_OF(x)
Definition: RtlRegistry.c:12
NTSTATUS
LONG NTSTATUS
Definition: precomp.h:26
DPRINT1
#define DPRINT1
Definition: precomp.h:8
Query
BOOL Query(LPCTSTR *ServiceArgs, DWORD ArgCount, BOOL bExtended)
Definition: query.c:292
DbgkOpenProcessDebugPort
NTSTATUS NTAPI DbgkOpenProcessDebugPort(IN PEPROCESS Process, IN KPROCESSOR_MODE PreviousMode, OUT HANDLE *DebugHandle)
Definition: dbgkobj.c:1526
NULL
#define NULL
Definition: types.h:112
TRUE
#define TRUE
Definition: types.h:120
FALSE
#define FALSE
Definition: types.h:117
NT_SUCCESS
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:33
ULONG_PTR
#define ULONG_PTR
Definition: config.h:101
ReturnLength
IN CINT OUT PVOID IN ULONG OUT PULONG ReturnLength
Definition: dumpinfo.c:43
PUNICODE_STRING
UNICODE_STRING * PUNICODE_STRING
Definition: env_spec_w32.h:373
PAGE_SHIFT
#define PAGE_SHIFT
Definition: env_spec_w32.h:45
KeQuerySystemTime
#define KeQuerySystemTime(t)
Definition: env_spec_w32.h:570
ExReleaseRundownProtection
#define ExReleaseRundownProtection
Definition: ex.h:136
ExGetPreviousMode
#define ExGetPreviousMode
Definition: ex.h:140
ExAcquireRundownProtection
#define ExAcquireRundownProtection
Definition: ex.h:135
_SEH2_END
#define _SEH2_END
Definition: filesup.c:22
_SEH2_TRY
#define _SEH2_TRY
Definition: filesup.c:19
Process
_Must_inspect_result_ _In_ PLARGE_INTEGER _In_ PLARGE_INTEGER _In_ ULONG _In_ PFILE_OBJECT _In_ PVOID Process
Definition: fsrtlfuncs.h:223
Status
Status
Definition: gdiplustypes.h:25
ICIF_PROBE_READ
#define ICIF_PROBE_READ
Definition: icif.h:25
EXCEPTION_EXECUTE_HANDLER
#define EXCEPTION_EXECUTE_HANDLER
Definition: excpt.h:85
PROCESS_PRIORITY_CLASS
struct _PROCESS_PRIORITY_CLASS PROCESS_PRIORITY_CLASS
PROCESS_QUERY_INFORMATION
#define PROCESS_QUERY_INFORMATION
Definition: pstypes.h:167
PPROCESS_PRIORITY_CLASS
struct _PROCESS_PRIORITY_CLASS * PPROCESS_PRIORITY_CLASS
PsNonPagedPool
@ PsNonPagedPool
Definition: pstypes.h:1022
PsPageFile
@ PsPageFile
Definition: pstypes.h:1024
PsPagedPool
@ PsPagedPool
Definition: pstypes.h:1023
ProcessDebugPort
@ ProcessDebugPort
Definition: winternl.h:395
ProcessBreakOnTermination
@ ProcessBreakOnTermination
Definition: winternl.h:398
ProcessBasicInformation
@ ProcessBasicInformation
Definition: winternl.h:394
ProcessWow64Information
@ ProcessWow64Information
Definition: winternl.h:396
ProcessImageFileName
@ ProcessImageFileName
Definition: winternl.h:397
PPROCESS_BASIC_INFORMATION
struct _PROCESS_BASIC_INFORMATION * PPROCESS_BASIC_INFORMATION
PROCESS_BASIC_INFORMATION
struct _PROCESS_BASIC_INFORMATION PROCESS_BASIC_INFORMATION
KERNEL_USER_TIMES
struct _KERNEL_USER_TIMES KERNEL_USER_TIMES
PKERNEL_USER_TIMES
struct _KERNEL_USER_TIMES * PKERNEL_USER_TIMES
ProcessLUIDDeviceMapsEnabled
@ ProcessLUIDDeviceMapsEnabled
Definition: winternl.h:884
ProcessWx86Information
@ ProcessWx86Information
Definition: winternl.h:875
ProcessDebugFlags
@ ProcessDebugFlags
Definition: winternl.h:887
ProcessSessionInformation
@ ProcessSessionInformation
Definition: winternl.h:880
ProcessVmCounters
@ ProcessVmCounters
Definition: winternl.h:859
ProcessPriorityClass
@ ProcessPriorityClass
Definition: winternl.h:874
ProcessPriorityBoost
@ ProcessPriorityBoost
Definition: winternl.h:878
ProcessImageInformation
@ ProcessImageInformation
Definition: winternl.h:892
ProcessExecuteFlags
@ ProcessExecuteFlags
Definition: winternl.h:889
ProcessCookie
@ ProcessCookie
Definition: winternl.h:891
ProcessPooledUsageAndLimits
@ ProcessPooledUsageAndLimits
Definition: winternl.h:870
ProcessIoCounters
@ ProcessIoCounters
Definition: winternl.h:858
ProcessDefaultHardErrorMode
@ ProcessDefaultHardErrorMode
Definition: winternl.h:868
ProcessDeviceMap
@ ProcessDeviceMap
Definition: winternl.h:879
ProcessQuotaLimits
@ ProcessQuotaLimits
Definition: winternl.h:857
ProcessHandleTracing
@ ProcessHandleTracing
Definition: winternl.h:888
ProcessTimes
@ ProcessTimes
Definition: winternl.h:860
ProcessDebugObjectHandle
@ ProcessDebugObjectHandle
Definition: winternl.h:886
ProcessWorkingSetWatch
@ ProcessWorkingSetWatch
Definition: winternl.h:871
ProcessLdtInformation
@ ProcessLdtInformation
Definition: winternl.h:866
ProcessHandleCount
@ ProcessHandleCount
Definition: winternl.h:876
PVM_COUNTERS
struct _VM_COUNTERS_ * PVM_COUNTERS
PROCESS_LUID_DOSDEVICES_ONLY
#define PROCESS_LUID_DOSDEVICES_ONLY
Definition: pstypes.h:228
IO_COUNTERS
struct _IO_COUNTERS IO_COUNTERS
PROCESS_SESSION_INFORMATION
struct _PROCESS_SESSION_INFORMATION PROCESS_SESSION_INFORMATION
PPROCESS_SESSION_INFORMATION
struct _PROCESS_SESSION_INFORMATION * PPROCESS_SESSION_INFORMATION
PIO_COUNTERS
struct _IO_COUNTERS * PIO_COUNTERS
InterlockedCompareExchange
#define InterlockedCompareExchange
Definition: interlocked.h:104
RTL_FIELD_SIZE
#define RTL_FIELD_SIZE(type, field)
Definition: kdb_expr.c:86
QUOTA_LIMITS
struct _QUOTA_LIMITS QUOTA_LIMITS
PQUOTA_LIMITS
struct _QUOTA_LIMITS * PQUOTA_LIMITS
ExFreePoolWithTag
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1109
ImageName
static const char * ImageName
Definition: image.c:34
KeGetCurrentPrcb
FORCEINLINE struct _KPRCB * KeGetCurrentPrcb(VOID)
Definition: ketypes.h:1161
ProcessHandle
_In_ HANDLE ProcessHandle
Definition: mmfuncs.h:403
SECTION_IMAGE_INFORMATION
struct _SECTION_IMAGE_INFORMATION SECTION_IMAGE_INFORMATION
NtCurrentProcess
#define NtCurrentProcess()
Definition: nt_native.h:1657
OBJECT_NAME_INFORMATION
struct _OBJECT_NAME_INFORMATION OBJECT_NAME_INFORMATION
Length
_In_ ULONG _In_ ULONG _In_ ULONG Length
Definition: ntddpcm.h:102
KeQueryRuntimeProcess
ULONG NTAPI KeQueryRuntimeProcess(IN PKPROCESS Process, OUT PULONG UserTime)
Definition: procobj.c:860
KeQueryValuesProcess
VOID NTAPI KeQueryValuesProcess(IN PKPROCESS Process, PPROCESS_VALUES Values)
Definition: procobj.c:525
MmGetImageInformation
VOID NTAPI MmGetImageInformation(OUT PSECTION_IMAGE_INFORMATION ImageInformation)
Definition: section.c:1615
MmGetExecuteOptions
NTSTATUS NTAPI MmGetExecuteOptions(IN PULONG ExecuteOptions)
Definition: pagfault.c:2653
DefaultQueryInfoBufferCheck
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
KeMaximumIncrement
ULONG KeMaximumIncrement
Definition: clock.c:20
PsProcessType
POBJECT_TYPE PsProcessType
Definition: process.c:20
PsGetProcessSessionId
ULONG NTAPI PsGetProcessSessionId(IN PEPROCESS Process)
Definition: process.c:1163
SeLocateProcessImageName
NTSTATUS NTAPI SeLocateProcessImageName(_In_ PEPROCESS Process, _Out_ PUNICODE_STRING *ProcessImageName)
Finds the process image name of a specific process.
Definition: audit.c:199
PHANDLE
PVOID *typedef PHANDLE
Definition: ntsecpkg.h:455
STATUS_NOT_IMPLEMENTED
#define STATUS_NOT_IMPLEMENTED
Definition: ntstatus.h:239
STATUS_INVALID_INFO_CLASS
#define STATUS_INVALID_INFO_CLASS
Definition: ntstatus.h:240
ObGetProcessHandleCount
ULONG NTAPI ObGetProcessHandleCount(IN PEPROCESS Process)
Definition: obhandle.c:56
ObIsLUIDDeviceMapsEnabled
ULONG NTAPI ObIsLUIDDeviceMapsEnabled(VOID)
Definition: devicemap.c:662
ObQueryDeviceMapInformation
NTSTATUS NTAPI ObQueryDeviceMapInformation(_In_opt_ PEPROCESS Process, _Out_ PPROCESS_DEVICEMAP_INFORMATION DeviceMapInfo, _In_ ULONG Flags)
Definition: devicemap.c:539
ObReferenceObjectByHandle
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 LONG
Definition: pedump.c:60
PspDefaultQuotaBlock
EPROCESS_QUOTA_BLOCK PspDefaultQuotaBlock
Definition: quota.c:16
PsProcessInfoClass
static const INFORMATION_CLASS_INFO PsProcessInfoClass[]
Definition: ps_i.h:15
_SEH2_GetExceptionCode
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:165
_SEH2_EXCEPT
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:66
_SEH2_YIELD
#define _SEH2_YIELD(__stmt)
Definition: pseh2_64.h:168
STATUS_SUCCESS
#define STATUS_SUCCESS
Definition: shellext.h:65
_EPROCESS
Definition: pstypes.h:1262
_IO_COUNTERS
Definition: pstypes.h:82
_KERNEL_USER_TIMES
Definition: winternl.h:1059
_KERNEL_USER_TIMES::UserTime
LARGE_INTEGER UserTime
Definition: winternl.h:1063
_KERNEL_USER_TIMES::CreateTime
LARGE_INTEGER CreateTime
Definition: winternl.h:1060
_KERNEL_USER_TIMES::KernelTime
LARGE_INTEGER KernelTime
Definition: winternl.h:1062
_KERNEL_USER_TIMES::ExitTime
LARGE_INTEGER ExitTime
Definition: winternl.h:1061
_KPRCB
Definition: ketypes.h:640
_KPRCB::InterruptTime
ULONG InterruptTime
Definition: ketypes.h:820
_KPRCB::KeSystemCalls
ULONG KeSystemCalls
Definition: ketypes.h:731
_PROCESS_BASIC_INFORMATION
Definition: winternl.h:402
_PROCESS_BASIC_INFORMATION::PebBaseAddress
PPEB PebBaseAddress
Definition: winternl.h:404
_PROCESS_BASIC_INFORMATION::AffinityMask
ULONG_PTR AffinityMask
Definition: pstypes.h:337
_PROCESS_BASIC_INFORMATION::InheritedFromUniqueProcessId
ULONG_PTR InheritedFromUniqueProcessId
Definition: pstypes.h:340
_PROCESS_BASIC_INFORMATION::ExitStatus
NTSTATUS ExitStatus
Definition: pstypes.h:335
_PROCESS_BASIC_INFORMATION::BasePriority
KPRIORITY BasePriority
Definition: pstypes.h:338
_PROCESS_BASIC_INFORMATION::UniqueProcessId
ULONG_PTR UniqueProcessId
Definition: winternl.h:406
_PROCESS_DEVICEMAP_INFORMATION_EX
Definition: pstypes.h:370
_PROCESS_DEVICEMAP_INFORMATION_EX::Flags
ULONG Flags
Definition: pstypes.h:380
_PROCESS_DEVICEMAP_INFORMATION
Definition: pstypes.h:358
_PROCESS_PRIORITY_CLASS
Definition: pstypes.h:956
_PROCESS_PRIORITY_CLASS::PriorityClass
UCHAR PriorityClass
Definition: pstypes.h:958
_PROCESS_PRIORITY_CLASS::Foreground
BOOLEAN Foreground
Definition: pstypes.h:957
_PROCESS_SESSION_INFORMATION
Definition: pstypes.h:383
_PROCESS_VALUES
Definition: ke.h:45
_PROCESS_VALUES::IoInfo
IO_COUNTERS IoInfo
Definition: ke.h:48
_QUOTA_LIMITS
Definition: lsa.idl:286
_QUOTA_LIMITS::MaximumWorkingSetSize
INT64 MaximumWorkingSetSize
Definition: lsa.idl:290
_QUOTA_LIMITS::NonPagedPoolLimit
INT64 NonPagedPoolLimit
Definition: lsa.idl:288
_QUOTA_LIMITS::TimeLimit
LARGE_INTEGER TimeLimit
Definition: lsa.idl:292
_QUOTA_LIMITS::MinimumWorkingSetSize
INT64 MinimumWorkingSetSize
Definition: lsa.idl:289
_QUOTA_LIMITS::PagefileLimit
INT64 PagefileLimit
Definition: lsa.idl:291
_QUOTA_LIMITS::PagedPoolLimit
INT64 PagedPoolLimit
Definition: lsa.idl:287
_SECTION_IMAGE_INFORMATION
Definition: mmtypes.h:340
_SessionInfo
Definition: mmdrv.h:130
_UNICODE_STRING
Definition: env_spec_w32.h:368
_VM_COUNTERS_EX
Definition: pstypes.h:105
_VM_COUNTERS_
Definition: winternl.h:1604
_VM_COUNTERS_::QuotaPeakPagedPoolUsage
SIZE_T QuotaPeakPagedPoolUsage
Definition: winternl.h:1610
_VM_COUNTERS_::PeakWorkingSetSize
SIZE_T PeakWorkingSetSize
Definition: winternl.h:1608
_VM_COUNTERS_::QuotaPeakNonPagedPoolUsage
SIZE_T QuotaPeakNonPagedPoolUsage
Definition: winternl.h:1612
_VM_COUNTERS_::VirtualSize
SIZE_T VirtualSize
Definition: winternl.h:1606
_VM_COUNTERS_::PeakPagefileUsage
SIZE_T PeakPagefileUsage
Definition: winternl.h:1615
_VM_COUNTERS_::QuotaNonPagedPoolUsage
SIZE_T QuotaNonPagedPoolUsage
Definition: winternl.h:1613
_VM_COUNTERS_::PagefileUsage
SIZE_T PagefileUsage
Definition: winternl.h:1614
_VM_COUNTERS_::PeakVirtualSize
SIZE_T PeakVirtualSize
Definition: winternl.h:1605
_VM_COUNTERS_::QuotaPagedPoolUsage
SIZE_T QuotaPagedPoolUsage
Definition: winternl.h:1611
_VM_COUNTERS_::WorkingSetSize
SIZE_T WorkingSetSize
Definition: winternl.h:1609
_VM_COUNTERS_::PageFaultCount
ULONG PageFaultCount
Definition: winternl.h:1607
TAG_SEPA
#define TAG_SEPA
Definition: tag.h:156
PWSTR
uint16_t * PWSTR
Definition: typedefs.h:56
MAXULONG
#define MAXULONG
Definition: typedefs.h:251
PULONG_PTR
uint32_t * PULONG_PTR
Definition: typedefs.h:65
PULONG
uint32_t * PULONG
Definition: typedefs.h:59
LONGLONG
int64_t LONGLONG
Definition: typedefs.h:68
HANDLE
PVOID HANDLE
Definition: typedefs.h:73
SIZE_T
ULONG_PTR SIZE_T
Definition: typedefs.h:80
RtlCopyMemory
#define RtlCopyMemory(Destination, Source, Length)
Definition: typedefs.h:263
ULONG_PTR
uint32_t ULONG_PTR
Definition: typedefs.h:65
ULONG
uint32_t ULONG
Definition: typedefs.h:59
STATUS_INVALID_PARAMETER
#define STATUS_INVALID_PARAMETER
Definition: udferr_usr.h:135
STATUS_INFO_LENGTH_MISMATCH
#define STATUS_INFO_LENGTH_MISMATCH
Definition: udferr_usr.h:133
_LARGE_INTEGER
Definition: typedefs.h:103
_LARGE_INTEGER::QuadPart
LONGLONG QuadPart
Definition: typedefs.h:114
_LARGE_INTEGER::LowPart
ULONG LowPart
Definition: typedefs.h:106
_LARGE_INTEGER::HighPart
LONG HighPart
Definition: typedefs.h:107
_LARGE_INTEGER::u
struct _LARGE_INTEGER::@2299 u
Flags
_Must_inspect_result_ _In_ ULONG Flags
Definition: wsk.h:170
Cookie
_In_opt_ PVOID _Out_ PLARGE_INTEGER Cookie
Definition: cmfuncs.h:14
UserTime
_Out_ PULONG UserTime
Definition: kefuncs.h:759
KPROCESSOR_MODE
CCHAR KPROCESSOR_MODE
Definition: ketypes.h:7
ObDereferenceObject
#define ObDereferenceObject
Definition: obfuncs.h:203
PsGetCurrentProcess
#define PsGetCurrentProcess
Definition: psfuncs.h:17
PreviousMode
_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{
2630 PETHREAD Thread;
2631 KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
2632 NTSTATUS Status;
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 */
2643 Status = DefaultQueryInfoBufferCheck(ThreadInformationClass,
2644 PsThreadInfoClass,
2645 RTL_NUMBER_OF(PsThreadInfoClass),
2646 ICIF_PROBE_READ,
2647 ThreadInformation,
2648 ThreadInformationLength,
2649 ReturnLength,
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 */
2665 case ThreadBasicInformation:
2666
2667 /* Set return length */
2668 Length = sizeof(THREAD_BASIC_INFORMATION);
2669
2670 if (ThreadInformationLength != Length)
2671 {
2672 Status = STATUS_INFO_LENGTH_MISMATCH;
2673 break;
2674 }
2675
2676 /* Reference the process */
2677 Status = ObReferenceObjectByHandle(ThreadHandle,
2678 Access,
2679 PsThreadType,
2680 PreviousMode,
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 }
2697 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2698 {
2699 /* Get exception code */
2700 Status = _SEH2_GetExceptionCode();
2701 }
2702 _SEH2_END;
2703
2704 /* Dereference the thread */
2705 ObDereferenceObject(Thread);
2706 break;
2707
2708 /* Thread time information */
2709 case ThreadTimes:
2710
2711 /* Set the return length */
2712 Length = sizeof(KERNEL_USER_TIMES);
2713
2714 if (ThreadInformationLength != Length)
2715 {
2716 Status = STATUS_INFO_LENGTH_MISMATCH;
2717 break;
2718 }
2719
2720 /* Reference the process */
2721 Status = ObReferenceObjectByHandle(ThreadHandle,
2722 Access,
2723 PsThreadType,
2724 PreviousMode,
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 */
2734 ThreadTime->KernelTime.QuadPart = Thread->Tcb.KernelTime * KeMaximumIncrement;
2735 ThreadTime->UserTime.QuadPart = Thread->Tcb.UserTime * KeMaximumIncrement;
2736 ThreadTime->CreateTime = Thread->CreateTime;
2737
2738 /* Exit time is in a union and only valid on actual exit! */
2739 if (KeReadStateThread(&Thread->Tcb))
2740 {
2741 ThreadTime->ExitTime = Thread->ExitTime;
2742 }
2743 else
2744 {
2745 ThreadTime->ExitTime.QuadPart = 0;
2746 }
2747 }
2748 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2749 {
2750 /* Get exception code */
2751 Status = _SEH2_GetExceptionCode();
2752 }
2753 _SEH2_END;
2754
2755 /* Dereference the thread */
2756 ObDereferenceObject(Thread);
2757 break;
2758
2759 case ThreadQuerySetWin32StartAddress:
2760
2761 /* Set the return length*/
2762 Length = sizeof(PVOID);
2763
2764 if (ThreadInformationLength != Length)
2765 {
2766 Status = STATUS_INFO_LENGTH_MISMATCH;
2767 break;
2768 }
2769
2770 /* Reference the process */
2771 Status = ObReferenceObjectByHandle(ThreadHandle,
2772 Access,
2773 PsThreadType,
2774 PreviousMode,
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 }
2786 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2787 {
2788 /* Get exception code */
2789 Status = _SEH2_GetExceptionCode();
2790 }
2791 _SEH2_END;
2792
2793 /* Dereference the thread */
2794 ObDereferenceObject(Thread);
2795 break;
2796
2797 case ThreadPerformanceCount:
2798
2799 /* Set the return length*/
2800 Length = sizeof(LARGE_INTEGER);
2801
2802 if (ThreadInformationLength != Length)
2803 {
2804 Status = STATUS_INFO_LENGTH_MISMATCH;
2805 break;
2806 }
2807
2808 /* Reference the process */
2809 Status = ObReferenceObjectByHandle(ThreadHandle,
2810 Access,
2811 PsThreadType,
2812 PreviousMode,
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 }
2824 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2825 {
2826 /* Get exception code */
2827 Status = _SEH2_GetExceptionCode();
2828 }
2829 _SEH2_END;
2830
2831 /* Dereference the thread */
2832 ObDereferenceObject(Thread);
2833 break;
2834
2835 case ThreadAmILastThread:
2836
2837 /* Set the return length*/
2838 Length = sizeof(ULONG);
2839
2840 if (ThreadInformationLength != Length)
2841 {
2842 Status = STATUS_INFO_LENGTH_MISMATCH;
2843 break;
2844 }
2845
2846 /* Reference the process */
2847 Status = ObReferenceObjectByHandle(ThreadHandle,
2848 Access,
2849 PsThreadType,
2850 PreviousMode,
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->
2863 ThreadListHead) ?
2864 TRUE : FALSE);
2865 }
2866 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2867 {
2868 /* Get exception code */
2869 Status = _SEH2_GetExceptionCode();
2870 }
2871 _SEH2_END;
2872
2873 /* Dereference the thread */
2874 ObDereferenceObject(Thread);
2875 break;
2876
2877 case ThreadIsIoPending:
2878
2879 /* Set the return length*/
2880 Length = sizeof(ULONG);
2881
2882 if (ThreadInformationLength != Length)
2883 {
2884 Status = STATUS_INFO_LENGTH_MISMATCH;
2885 break;
2886 }
2887
2888 /* Reference the process */
2889 Status = ObReferenceObjectByHandle(ThreadHandle,
2890 Access,
2891 PsThreadType,
2892 PreviousMode,
2893 (PVOID*)&Thread,
2894 NULL);
2895 if (!NT_SUCCESS(Status))
2896 break;
2897
2898 /* Raise the IRQL to protect the IRP list */
2899 KeRaiseIrql(APC_LEVEL, &OldIrql);
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 }
2907 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2908 {
2909 /* Get exception code */
2910 Status = _SEH2_GetExceptionCode();
2911 }
2912 _SEH2_END;
2913
2914 /* Lower IRQL back */
2915 KeLowerIrql(OldIrql);
2916
2917 /* Dereference the thread */
2918 ObDereferenceObject(Thread);
2919 break;
2920
2921 /* LDT and GDT information */
2922 case ThreadDescriptorTableEntry:
2923
2924#if defined(_X86_)
2925 /* Reference the process */
2926 Status = ObReferenceObjectByHandle(ThreadHandle,
2927 Access,
2928 PsThreadType,
2929 PreviousMode,
2930 (PVOID*)&Thread,
2931 NULL);
2932 if (!NT_SUCCESS(Status))
2933 break;
2934
2935 /* Call the worker routine */
2936 Status = PspQueryDescriptorThread(Thread,
2937 ThreadInformation,
2938 ThreadInformationLength,
2939 ReturnLength);
2940
2941 /* Dereference the thread */
2942 ObDereferenceObject(Thread);
2943#else
2944 /* Only implemented on x86 */
2945 Status = STATUS_NOT_IMPLEMENTED;
2946#endif
2947 break;
2948
2949 case ThreadPriorityBoost:
2950
2951 /* Set the return length*/
2952 Length = sizeof(ULONG);
2953
2954 if (ThreadInformationLength != Length)
2955 {
2956 Status = STATUS_INFO_LENGTH_MISMATCH;
2957 break;
2958 }
2959
2960 /* Reference the process */
2961 Status = ObReferenceObjectByHandle(ThreadHandle,
2962 Access,
2963 PsThreadType,
2964 PreviousMode,
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 }
2974 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2975 {
2976 Status = _SEH2_GetExceptionCode();
2977 }
2978 _SEH2_END;
2979
2980 /* Dereference the thread */
2981 ObDereferenceObject(Thread);
2982 break;
2983
2984 case ThreadIsTerminated:
2985
2986 /* Set the return length*/
2987 Length = sizeof(ThreadTerminated);
2988
2989 if (ThreadInformationLength != Length)
2990 {
2991 Status = STATUS_INFO_LENGTH_MISMATCH;
2992 break;
2993 }
2994
2995 /* Reference the process */
2996 Status = ObReferenceObjectByHandle(ThreadHandle,
2997 Access,
2998 PsThreadType,
2999 PreviousMode,
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 }
3011 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
3012 {
3013 Status = _SEH2_GetExceptionCode();
3014 }
3015 _SEH2_END;
3016
3017 /* Dereference the thread */
3018 ObDereferenceObject(Thread);
3019 break;
3020
3021 /* Anything else */
3022 default:
3023
3024 /* Not yet implemented */
3025 DPRINT1("Not implemented: %lx\n", ThreadInformationClass);
3026 Status = STATUS_NOT_IMPLEMENTED;
3027 }
3028
3029 /* Protect write with SEH */
3030 _SEH2_TRY
3031 {
3032 /* Check if caller wanted return length */
3033 if (ReturnLength) *ReturnLength = Length;
3034 }
3035 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
3036 {
3037 /* Get exception code */
3038 Status = _SEH2_GetExceptionCode();
3039 }
3040 _SEH2_END;
3041
3042 return Status;
3043}
THREAD_BASIC_INFORMATION
struct _THREAD_BASIC_INFORMATION THREAD_BASIC_INFORMATION
ThreadDescriptorTableEntry
@ ThreadDescriptorTableEntry
Definition: compat.h:941
ThreadAmILastThread
@ ThreadAmILastThread
Definition: compat.h:947
ThreadTimes
@ ThreadTimes
Definition: compat.h:936
ThreadQuerySetWin32StartAddress
@ ThreadQuerySetWin32StartAddress
Definition: compat.h:944
ThreadIsTerminated
@ ThreadIsTerminated
Definition: compat.h:955
ThreadBasicInformation
@ ThreadBasicInformation
Definition: compat.h:935
ThreadPriorityBoost
@ ThreadPriorityBoost
Definition: compat.h:949
ThreadPerformanceCount
@ ThreadPerformanceCount
Definition: compat.h:946
ThreadIsIoPending
@ ThreadIsIoPending
Definition: compat.h:951
PTHREAD_BASIC_INFORMATION
struct _THREAD_BASIC_INFORMATION * PTHREAD_BASIC_INFORMATION
IsListEmpty
#define IsListEmpty(ListHead)
Definition: env_spec_w32.h:954
KIRQL
UCHAR KIRQL
Definition: env_spec_w32.h:591
KeRaiseIrql
#define KeRaiseIrql(irql, oldIrql)
Definition: env_spec_w32.h:597
APC_LEVEL
#define APC_LEVEL
Definition: env_spec_w32.h:695
KeLowerIrql
#define KeLowerIrql(oldIrql)
Definition: env_spec_w32.h:602
Thread
_In_opt_ PFILE_OBJECT _In_opt_ PETHREAD Thread
Definition: fltkernel.h:2653
THREAD_QUERY_INFORMATION
#define THREAD_QUERY_INFORMATION
Definition: pstypes.h:150
ThreadInformationLength
_In_ THREADINFOCLASS _In_ ULONG ThreadInformationLength
Definition: psfuncs.h:843
ThreadInformationClass
_In_ THREADINFOCLASS ThreadInformationClass
Definition: psfuncs.h:840
KeQueryBasePriorityThread
LONG NTAPI KeQueryBasePriorityThread(IN PKTHREAD Thread)
Definition: thrdobj.c:52
KeReadStateThread
BOOLEAN NTAPI KeReadStateThread(IN PKTHREAD Thread)
Definition: thrdobj.c:42
PsThreadType
POBJECT_TYPE PsThreadType
Definition: thread.c:20
PsIsThreadTerminating
BOOLEAN NTAPI PsIsThreadTerminating(IN PETHREAD Thread)
Definition: thread.c:868
PsThreadInfoClass
static const INFORMATION_CLASS_INFO PsThreadInfoClass[]
Definition: ps_i.h:360
PspQueryDescriptorThread
NTSTATUS NTAPI PspQueryDescriptorThread(IN PETHREAD Thread, IN PVOID ThreadInformation, IN ULONG ThreadInformationLength, OUT PULONG ReturnLength OPTIONAL)
Definition: psldt.c:43
_ETHREAD
Definition: pstypes.h:1103
_ETHREAD::ExitTime
LARGE_INTEGER ExitTime
Definition: pstypes.h:1108
_ETHREAD::ExitStatus
NTSTATUS ExitStatus
Definition: pstypes.h:1114
_ETHREAD::Tcb
KTHREAD Tcb
Definition: pstypes.h:1104
_ETHREAD::Win32StartAddress
PVOID Win32StartAddress
Definition: pstypes.h:1153
_ETHREAD::Cid
CLIENT_ID Cid
Definition: pstypes.h:1129
_ETHREAD::IrpList
LIST_ENTRY IrpList
Definition: pstypes.h:1145
_ETHREAD::CreateTime
LARGE_INTEGER CreateTime
Definition: pstypes.h:1105
_KTHREAD::Affinity
GROUP_AFFINITY Affinity
Definition: ketypes.h:1938
_KTHREAD::DisableBoost
ULONG DisableBoost
Definition: ketypes.h:1725
_KTHREAD::Priority
SCHAR Priority
Definition: ketypes.h:1782
_KTHREAD::Teb
PVOID Teb
Definition: ketypes.h:1807
_KTHREAD::KernelTime
ULONG KernelTime
Definition: ketypes.h:1987
_KTHREAD::UserTime
ULONG UserTime
Definition: ketypes.h:2003
_LIST_ENTRY::Flink
struct _LIST_ENTRY * Flink
Definition: typedefs.h:121
_THREAD_BASIC_INFORMATION
Definition: compat.h:926
_THREAD_BASIC_INFORMATION::ClientId
CLIENT_ID ClientId
Definition: compat.h:929
_THREAD_BASIC_INFORMATION::Priority
KPRIORITY Priority
Definition: compat.h:931
_THREAD_BASIC_INFORMATION::BasePriority
KPRIORITY BasePriority
Definition: compat.h:932
_THREAD_BASIC_INFORMATION::ExitStatus
NTSTATUS ExitStatus
Definition: compat.h:927
_THREAD_BASIC_INFORMATION::TebBaseAddress
PVOID TebBaseAddress
Definition: compat.h:928
_THREAD_BASIC_INFORMATION::AffinityMask
KAFFINITY AffinityMask
Definition: compat.h:930
ThreadListHead
static LIST_ENTRY ThreadListHead
Definition: sys_arch.c:6
LARGE_INTEGER
union _LARGE_INTEGER LARGE_INTEGER
PVOID
void * PVOID
Definition: typedefs.h:50
PLARGE_INTEGER
union _LARGE_INTEGER * PLARGE_INTEGER
Definition: file.c:85
OldIrql
_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{
1110 PEPROCESS Process;
1111 KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
1112 ACCESS_MASK Access;
1113 NTSTATUS Status;
1114 HANDLE PortHandle = NULL;
1115 HANDLE TokenHandle = NULL;
1116 HANDLE DirectoryHandle = NULL;
1117 PROCESS_SESSION_INFORMATION SessionInfo = {0};
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;
1129 BOOLEAN HasPrivilege;
1130 PLIST_ENTRY Next;
1131 PETHREAD Thread;
1132 PAGED_CODE();
1133
1134 /* Verify Information Class validity */
1135 Status = DefaultSetInfoBufferCheck(ProcessInformationClass,
1136 PsProcessInfoClass,
1137 RTL_NUMBER_OF(PsProcessInfoClass),
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 */
1161 Status = ObReferenceObjectByHandle(ProcessHandle,
1162 Access,
1163 PsProcessType,
1164 PreviousMode,
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 {
1172 case ProcessWx86Information:
1173
1174 /* Check buffer length */
1175 if (ProcessInformationLength != sizeof(ULONG))
1176 {
1177 Status = STATUS_INFO_LENGTH_MISMATCH;
1178 break;
1179 }
1180
1181 /* Use SEH for capture */
1182 _SEH2_TRY
1183 {
1184 /* Capture the boolean */
1185 VdmPower = *(PULONG)ProcessInformation;
1186 }
1187 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1188 {
1189 /* Get the exception code */
1190 Status = _SEH2_GetExceptionCode();
1191 _SEH2_YIELD(break);
1192 }
1193 _SEH2_END;
1194
1195 /* Getting VDM powers requires the SeTcbPrivilege */
1196 if (!SeSinglePrivilegeCheck(SeTcbPrivilege, PreviousMode))
1197 {
1198 /* We don't hold the privilege, bail out */
1199 Status = STATUS_PRIVILEGE_NOT_HELD;
1200 DPRINT1("Need TCB privilege\n");
1201 break;
1202 }
1203
1204 /* Set or clear the flag */
1205 if (VdmPower)
1206 {
1207 PspSetProcessFlag(Process, PSF_VDM_ALLOWED_BIT);
1208 }
1209 else
1210 {
1211 PspClearProcessFlag(Process, PSF_VDM_ALLOWED_BIT);
1212 }
1213 break;
1214
1215 /* Error/Exception Port */
1216 case ProcessExceptionPort:
1217
1218 /* Check buffer length */
1219 if (ProcessInformationLength != sizeof(HANDLE))
1220 {
1221 Status = STATUS_INFO_LENGTH_MISMATCH;
1222 break;
1223 }
1224
1225 /* Use SEH for capture */
1226 _SEH2_TRY
1227 {
1228 /* Capture the handle */
1229 PortHandle = *(PHANDLE)ProcessInformation;
1230 }
1231 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1232 {
1233 /* Get the exception code */
1234 Status = _SEH2_GetExceptionCode();
1235 _SEH2_YIELD(break);
1236 }
1237 _SEH2_END;
1238
1239 /* Setting the error port requires the SeTcbPrivilege */
1240 if (!SeSinglePrivilegeCheck(SeTcbPrivilege, PreviousMode))
1241 {
1242 /* We don't hold the privilege, bail out */
1243 Status = STATUS_PRIVILEGE_NOT_HELD;
1244 break;
1245 }
1246
1247 /* Get the LPC Port */
1248 Status = ObReferenceObjectByHandle(PortHandle,
1249 0,
1250 LpcPortObjectType,
1251 PreviousMode,
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);
1263 Status = STATUS_PORT_ALREADY_SET;
1264 }
1265 break;
1266
1267 /* Security Token */
1268 case ProcessAccessToken:
1269
1270 /* Check buffer length */
1271 if (ProcessInformationLength != sizeof(PROCESS_ACCESS_TOKEN))
1272 {
1273 Status = STATUS_INFO_LENGTH_MISMATCH;
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 }
1284 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1285 {
1286 /* Get the exception code */
1287 Status = _SEH2_GetExceptionCode();
1288 _SEH2_YIELD(break);
1289 }
1290 _SEH2_END;
1291
1292 /* Assign the actual token */
1293 Status = PspSetPrimaryToken(Process, TokenHandle, NULL);
1294 break;
1295
1296 /* Hard error processing */
1297 case ProcessDefaultHardErrorMode:
1298
1299 /* Check buffer length */
1300 if (ProcessInformationLength != sizeof(ULONG))
1301 {
1302 Status = STATUS_INFO_LENGTH_MISMATCH;
1303 break;
1304 }
1305
1306 /* Enter SEH for direct buffer read */
1307 _SEH2_TRY
1308 {
1309 DefaultHardErrorMode = *(PULONG)ProcessInformation;
1310 }
1311 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1312 {
1313 /* Get exception code */
1314 Status = _SEH2_GetExceptionCode();
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 {
1325 KeSetAutoAlignmentProcess(&Process->Pcb, TRUE);
1326 }
1327 else
1328 {
1329 KeSetAutoAlignmentProcess(&Process->Pcb, FALSE);
1330 }
1331 Status = STATUS_SUCCESS;
1332 break;
1333
1334 /* Session ID */
1335 case ProcessSessionInformation:
1336
1337 /* Check buffer length */
1338 if (ProcessInformationLength != sizeof(PROCESS_SESSION_INFORMATION))
1339 {
1340 Status = STATUS_INFO_LENGTH_MISMATCH;
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 }
1350 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1351 {
1352 /* Get the exception code */
1353 Status = _SEH2_GetExceptionCode();
1354 _SEH2_YIELD(break);
1355 }
1356 _SEH2_END;
1357
1358 /* Setting the session id requires the SeTcbPrivilege */
1359 if (!SeSinglePrivilegeCheck(SeTcbPrivilege, PreviousMode))
1360 {
1361 /* We don't hold the privilege, bail out */
1362 Status = STATUS_PRIVILEGE_NOT_HELD;
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 }
1390 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1391 {
1392 /* Get exception code */
1393 Status = _SEH2_GetExceptionCode();
1394 }
1395 _SEH2_END;
1396
1397 /* Detach from the process */
1398 KeDetachProcess();
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 {
1417 Status = STATUS_SUCCESS;
1418 }
1419 else
1420 {
1421 Status = STATUS_ACCESS_DENIED;
1422 }
1423
1424 break;
1425
1426 case ProcessPriorityClass:
1427
1428 /* Check buffer length */
1429 if (ProcessInformationLength != sizeof(PROCESS_PRIORITY_CLASS))
1430 {
1431 Status = STATUS_INFO_LENGTH_MISMATCH;
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 }
1441 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1442 {
1443 /* Return the exception code */
1444 Status = _SEH2_GetExceptionCode();
1445 _SEH2_YIELD(break);
1446 }
1447 _SEH2_END;
1448
1449 /* Check for invalid PriorityClass value */
1450 if (PriorityClass.PriorityClass > PROCESS_PRIORITY_CLASS_ABOVE_NORMAL)
1451 {
1452 Status = STATUS_INVALID_PARAMETER;
1453 break;
1454 }
1455
1456 if ((PriorityClass.PriorityClass != Process->PriorityClass) &&
1457 (PriorityClass.PriorityClass == PROCESS_PRIORITY_CLASS_REALTIME))
1458 {
1459 /* Check the privilege */
1460 HasPrivilege = SeCheckPrivilegedObject(SeIncreaseBasePriorityPrivilege,
1461 ProcessHandle,
1462 PROCESS_SET_INFORMATION,
1463 PreviousMode);
1464 if (!HasPrivilege)
1465 {
1466 ObDereferenceObject(Process);
1467 DPRINT1("Privilege to change priority to realtime lacking\n");
1468 return STATUS_PRIVILEGE_NOT_HELD;
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) */
1482 PsSetProcessPriorityByClass(Process,
1483 PriorityClass.Foreground ?
1484 PsProcessPriorityForeground :
1485 PsProcessPriorityBackground);
1486 Status = STATUS_SUCCESS;
1487 break;
1488
1489 case ProcessForegroundInformation:
1490
1491 /* Check buffer length */
1492 if (ProcessInformationLength != sizeof(PROCESS_FOREGROUND_BACKGROUND))
1493 {
1494 Status = STATUS_INFO_LENGTH_MISMATCH;
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 }
1504 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1505 {
1506 /* Return the exception code */
1507 Status = _SEH2_GetExceptionCode();
1508 _SEH2_YIELD(break);
1509 }
1510 _SEH2_END;
1511
1512 /* Set process priority mode (foreground or background) */
1513 PsSetProcessPriorityByClass(Process,
1514 Foreground.Foreground ?
1515 PsProcessPriorityForeground :
1516 PsProcessPriorityBackground);
1517 Status = STATUS_SUCCESS;
1518 break;
1519
1520 case ProcessBasePriority:
1521
1522 /* Validate input length */
1523 if (ProcessInformationLength != sizeof(KPRIORITY))
1524 {
1525 Status = STATUS_INFO_LENGTH_MISMATCH;
1526 break;
1527 }
1528
1529 /* Enter SEH for direct buffer read */
1530 _SEH2_TRY
1531 {
1532 BasePriority = *(KPRIORITY*)ProcessInformation;
1533 }
1534 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1535 {
1536 /* Get exception code */
1537 Break = 0;
1538 Status = _SEH2_GetExceptionCode();
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 {
1557 ObDereferenceObject(Process);
1558 return STATUS_INVALID_PARAMETER;
1559 }
1560
1561 /* Check if the new base is higher */
1562 if (BasePriority > Process->Pcb.BasePriority)
1563 {
1564 HasPrivilege = SeCheckPrivilegedObject(SeIncreaseBasePriorityPrivilege,
1565 ProcessHandle,
1566 PROCESS_SET_INFORMATION,
1567 PreviousMode);
1568 if (!HasPrivilege)
1569 {
1570 ObDereferenceObject(Process);
1571 DPRINT1("Privilege to change priority from %lx to %lx lacking\n", BasePriority, Process->Pcb.BasePriority);
1572 return STATUS_PRIVILEGE_NOT_HELD;
1573 }
1574 }
1575
1576 /* Call Ke */
1577 KeSetPriorityAndQuantumProcess(&Process->Pcb, BasePriority, 0);
1578
1579 /* Now set the memory priority */
1580 MmSetMemoryPriorityProcess(Process, MemoryPriority);
1581 Status = STATUS_SUCCESS;
1582 break;
1583
1584 case ProcessRaisePriority:
1585
1586 /* Validate input length */
1587 if (ProcessInformationLength != sizeof(ULONG))
1588 {
1589 Status = STATUS_INFO_LENGTH_MISMATCH;
1590 break;
1591 }
1592
1593 /* Enter SEH for direct buffer read */
1594 _SEH2_TRY
1595 {
1596 Boost = *(PULONG)ProcessInformation;
1597 }
1598 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1599 {
1600 /* Get exception code */
1601 Break = 0;
1602 Status = _SEH2_GetExceptionCode();
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 */
1611 KeEnterCriticalRegion();
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);
1621 KeBoostPriorityThread(&Thread->Tcb, Boost);
1622 }
1623
1624 /* Release the lock and rundown */
1625 ExReleasePushLockShared(&Process->ProcessLock);
1626 KeLeaveCriticalRegion();
1627 ExReleaseRundownProtection(&Process->RundownProtect);
1628
1629 /* Set success code */
1630 Status = STATUS_SUCCESS;
1631 }
1632 else
1633 {
1634 /* Avoid race conditions */
1635 Status = STATUS_PROCESS_IS_TERMINATING;
1636 }
1637 break;
1638
1639 case ProcessBreakOnTermination:
1640
1641 /* Check buffer length */
1642 if (ProcessInformationLength != sizeof(ULONG))
1643 {
1644 Status = STATUS_INFO_LENGTH_MISMATCH;
1645 break;
1646 }
1647
1648 /* Enter SEH for direct buffer read */
1649 _SEH2_TRY
1650 {
1651 Break = *(PULONG)ProcessInformation;
1652 }
1653 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1654 {
1655 /* Get exception code */
1656 Break = 0;
1657 Status = _SEH2_GetExceptionCode();
1658 _SEH2_YIELD(break);
1659 }
1660 _SEH2_END;
1661
1662 /* Setting 'break on termination' requires the SeDebugPrivilege */
1663 if (!SeSinglePrivilegeCheck(SeDebugPrivilege, PreviousMode))
1664 {
1665 /* We don't hold the privilege, bail out */
1666 Status = STATUS_PRIVILEGE_NOT_HELD;
1667 break;
1668 }
1669
1670 /* Set or clear the flag */
1671 if (Break)
1672 {
1673 PspSetProcessFlag(Process, PSF_BREAK_ON_TERMINATION_BIT);
1674 }
1675 else
1676 {
1677 PspClearProcessFlag(Process, PSF_BREAK_ON_TERMINATION_BIT);
1678 }
1679
1680 break;
1681
1682 case ProcessAffinityMask:
1683
1684 /* Check buffer length */
1685 if (ProcessInformationLength != sizeof(KAFFINITY))
1686 {
1687 Status = STATUS_INFO_LENGTH_MISMATCH;
1688 break;
1689 }
1690
1691 /* Enter SEH for direct buffer read */
1692 _SEH2_TRY
1693 {
1694 Affinity = *(PKAFFINITY)ProcessInformation;
1695 }
1696 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1697 {
1698 /* Get exception code */
1699 Break = 0;
1700 Status = _SEH2_GetExceptionCode();
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 {
1709 Status = STATUS_INVALID_PARAMETER;
1710 break;
1711 }
1712
1713 /* Check if it's within job affinity limits */
1714 if (Process->Job)
1715 {
1716 /* Not yet implemented */
1717 UNIMPLEMENTED;
1718 Status = STATUS_NOT_IMPLEMENTED;
1719 break;
1720 }
1721
1722 /* Make sure the process isn't dying */
1723 if (ExAcquireRundownProtection(&Process->RundownProtect))
1724 {
1725 /* Lock it */
1726 KeEnterCriticalRegion();
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);
1734 KeLeaveCriticalRegion();
1735 ExReleaseRundownProtection(&Process->RundownProtect);
1736
1737 /* Set success code */
1738 Status = STATUS_SUCCESS;
1739 }
1740 else
1741 {
1742 /* Avoid race conditions */
1743 Status = STATUS_PROCESS_IS_TERMINATING;
1744 }
1745 break;
1746
1747 /* Priority Boosting status */
1748 case ProcessPriorityBoost:
1749
1750 /* Validate input length */
1751 if (ProcessInformationLength != sizeof(ULONG))
1752 {
1753 Status = STATUS_INFO_LENGTH_MISMATCH;
1754 break;
1755 }
1756
1757 /* Enter SEH for direct buffer read */
1758 _SEH2_TRY
1759 {
1760 DisableBoost = *(PBOOLEAN)ProcessInformation;
1761 }
1762 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1763 {
1764 /* Get exception code */
1765 Break = 0;
1766 Status = _SEH2_GetExceptionCode();
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 */
1775 KeEnterCriticalRegion();
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);
1793 KeLeaveCriticalRegion();
1794 ExReleaseRundownProtection(&Process->RundownProtect);
1795
1796 /* Set success code */
1797 Status = STATUS_SUCCESS;
1798 }
1799 else
1800 {
1801 /* Avoid race conditions */
1802 Status = STATUS_PROCESS_IS_TERMINATING;
1803 }
1804 break;
1805
1806 case ProcessDebugFlags:
1807
1808 /* Check buffer length */
1809 if (ProcessInformationLength != sizeof(ULONG))
1810 {
1811 Status = STATUS_INFO_LENGTH_MISMATCH;
1812 break;
1813 }
1814
1815 /* Enter SEH for direct buffer read */
1816 _SEH2_TRY
1817 {
1818 DebugFlags = *(PULONG)ProcessInformation;
1819 }
1820 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1821 {
1822 /* Get exception code */
1823 Status = _SEH2_GetExceptionCode();
1824 _SEH2_YIELD(break);
1825 }
1826 _SEH2_END;
1827
1828 /* Set the mode */
1829 if (DebugFlags & ~1)
1830 {
1831 Status = STATUS_INVALID_PARAMETER;
1832 }
1833 else
1834 {
1835 if (DebugFlags & 1)
1836 {
1837 PspClearProcessFlag(Process, PSF_NO_DEBUG_INHERIT_BIT);
1838 }
1839 else
1840 {
1841 PspSetProcessFlag(Process, PSF_NO_DEBUG_INHERIT_BIT);
1842 }
1843 }
1844
1845 /* Done */
1846 Status = STATUS_SUCCESS;
1847 break;
1848
1849 case ProcessEnableAlignmentFaultFixup:
1850
1851 /* Check buffer length */
1852 if (ProcessInformationLength != sizeof(BOOLEAN))
1853 {
1854 Status = STATUS_INFO_LENGTH_MISMATCH;
1855 break;
1856 }
1857
1858 /* Enter SEH for direct buffer read */
1859 _SEH2_TRY
1860 {
1861 EnableFixup = *(PULONG)ProcessInformation;
1862 }
1863 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1864 {
1865 /* Get exception code */
1866 Status = _SEH2_GetExceptionCode();
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 */
1882 KeSetAutoAlignmentProcess(&Process->Pcb, FALSE);
1883 Status = STATUS_SUCCESS;
1884 break;
1885
1886 case ProcessUserModeIOPL:
1887
1888 /* Only TCB can do this */
1889 if (!SeSinglePrivilegeCheck(SeTcbPrivilege, PreviousMode))
1890 {
1891 /* We don't hold the privilege, bail out */
1892 DPRINT1("Need TCB to set IOPL\n");
1893 Status = STATUS_PRIVILEGE_NOT_HELD;
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 {
1907 Status = STATUS_NOT_IMPLEMENTED;
1908 }
1909#else
1910 Status = STATUS_NOT_IMPLEMENTED;
1911#endif
1912 /* Done */
1913 break;
1914
1915 case ProcessExecuteFlags:
1916
1917 /* Check buffer length */
1918 if (ProcessInformationLength != sizeof(ULONG))
1919 {
1920 Status = STATUS_INFO_LENGTH_MISMATCH;
1921 break;
1922 }
1923
1924 if (ProcessHandle != NtCurrentProcess())
1925 {
1926 Status = STATUS_INVALID_PARAMETER;
1927 break;
1928 }
1929
1930 /* Enter SEH for direct buffer read */
1931 _SEH2_TRY
1932 {
1933 NoExecute = *(PULONG)ProcessInformation;
1934 }
1935 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1936 {
1937 /* Get exception code */
1938 Status = _SEH2_GetExceptionCode();
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 {
1952 Status = STATUS_INFO_LENGTH_MISMATCH;
1953 break;
1954 }
1955
1956 /* Use SEH for capture */
1957 _SEH2_TRY
1958 {
1959 /* Capture the handle */
1960 DirectoryHandle = *(PHANDLE)ProcessInformation;
1961 }
1962 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
1963 {
1964 /* Get the exception code */
1965 Status = _SEH2_GetExceptionCode();
1966 _SEH2_YIELD(break);
1967 }
1968 _SEH2_END;
1969
1970 /* Call Ob to set the device map */
1971 Status = ObSetDeviceMap(Process, DirectoryHandle);
1972 break;
1973
1974
1975 /* We currently don't implement any of these */
1976 case ProcessLdtInformation:
1977 case ProcessLdtSize:
1978 case ProcessIoPortHandlers:
1979 DPRINT1("VDM/16-bit Request not implemented: %lx\n", ProcessInformationClass);
1980 Status = STATUS_NOT_IMPLEMENTED;
1981 break;
1982
1983 case ProcessQuotaLimits:
1984
1985 Status = PspSetQuotaLimits(Process,
1986 1,
1987 ProcessInformation,
1988 ProcessInformationLength,
1989 PreviousMode);
1990 break;
1991
1992 case ProcessWorkingSetWatch:
1993 DPRINT1("WS watch not implemented\n");
1994 Status = STATUS_NOT_IMPLEMENTED;
1995 break;
1996
1997 case ProcessHandleTracing:
1998 DPRINT1("Handle tracing not implemented\n");
1999 Status = STATUS_NOT_IMPLEMENTED;
2000 break;
2001
2002 /* Anything else is invalid */
2003 default:
2004 DPRINT1("Invalid Server 2003 Info Class: %lx\n", ProcessInformationClass);
2005 Status = STATUS_INVALID_INFO_CLASS;
2006 }
2007
2008 /* Dereference and return status */
2009 ObDereferenceObject(Process);
2010 return Status;
2011}
STATUS_PRIVILEGE_NOT_HELD
#define STATUS_PRIVILEGE_NOT_HELD
Definition: DriverTester.h:9
DirectoryHandle
static HANDLE DirectoryHandle
Definition: ObType.c:48
BOOLEAN
unsigned char BOOLEAN
Definition: ProcessorBind.h:185
PKAFFINITY
KAFFINITY * PKAFFINITY
Definition: basetsd.h:195
UNIMPLEMENTED
#define UNIMPLEMENTED
Definition: debug.h:118
KAFFINITY
ULONG_PTR KAFFINITY
Definition: compat.h:85
KPRIORITY
LONG KPRIORITY
Definition: compat.h:803
UlongToPtr
#define UlongToPtr(u)
Definition: config.h:106
ExAcquirePushLockShared
FORCEINLINE VOID ExAcquirePushLockShared(PEX_PUSH_LOCK PushLock)
Definition: ex.h:1105
ExReleasePushLockShared
FORCEINLINE VOID ExReleasePushLockShared(PEX_PUSH_LOCK PushLock)
Definition: ex.h:1213
PROCESS_SUSPEND_RESUME
#define PROCESS_SUSPEND_RESUME
Definition: pstypes.h:168
PROCESS_PRIORITY_CLASS_ABOVE_NORMAL
#define PROCESS_PRIORITY_CLASS_ABOVE_NORMAL
Definition: pstypes.h:113
PSF_NO_DEBUG_INHERIT_BIT
#define PSF_NO_DEBUG_INHERIT_BIT
Definition: pstypes.h:275
PROCESS_SET_SESSIONID
#define PROCESS_SET_SESSIONID
Definition: pstypes.h:160
PsProcessPriorityForeground
@ PsProcessPriorityForeground
Definition: pstypes.h:422
PsProcessPriorityBackground
@ PsProcessPriorityBackground
Definition: pstypes.h:423
PROCESS_SET_INFORMATION
#define PROCESS_SET_INFORMATION
Definition: pstypes.h:166
PSF_VDM_ALLOWED_BIT
#define PSF_VDM_ALLOWED_BIT
Definition: pstypes.h:297
PROCESS_PRIORITY_CLASS_REALTIME
#define PROCESS_PRIORITY_CLASS_REALTIME
Definition: pstypes.h:111
PPROCESS_FOREGROUND_BACKGROUND
struct _PROCESS_FOREGROUND_BACKGROUND * PPROCESS_FOREGROUND_BACKGROUND
MEMORY_PRIORITY_BACKGROUND
#define MEMORY_PRIORITY_BACKGROUND
Definition: pstypes.h:125
PSF_BREAK_ON_TERMINATION_BIT
#define PSF_BREAK_ON_TERMINATION_BIT
Definition: pstypes.h:286
MEMORY_PRIORITY_FOREGROUND
#define MEMORY_PRIORITY_FOREGROUND
Definition: pstypes.h:127
ProcessAffinityMask
@ ProcessAffinityMask
Definition: winternl.h:877
ProcessIoPortHandlers
@ ProcessIoPortHandlers
Definition: winternl.h:869
ProcessRaisePriority
@ ProcessRaisePriority
Definition: winternl.h:862
ProcessLdtSize
@ ProcessLdtSize
Definition: winternl.h:867
ProcessEnableAlignmentFaultFixup
@ ProcessEnableAlignmentFaultFixup
Definition: winternl.h:873
ProcessBasePriority
@ ProcessBasePriority
Definition: winternl.h:861
ProcessAccessToken
@ ProcessAccessToken
Definition: winternl.h:865
ProcessForegroundInformation
@ ProcessForegroundInformation
Definition: winternl.h:881
ProcessExceptionPort
@ ProcessExceptionPort
Definition: winternl.h:864
ProcessUserModeIOPL
@ ProcessUserModeIOPL
Definition: winternl.h:872
PPROCESS_ACCESS_TOKEN
struct _PROCESS_ACCESS_TOKEN * PPROCESS_ACCESS_TOKEN
LOW_PRIORITY
#define LOW_PRIORITY
HIGH_PRIORITY
#define HIGH_PRIORITY
InterlockedCompareExchangePointer
#define InterlockedCompareExchangePointer
Definition: interlocked.h:129
KeLeaveCriticalRegion
#define KeLeaveCriticalRegion()
Definition: ke_x.h:119
KeEnterCriticalRegion
#define KeEnterCriticalRegion()
Definition: ke_x.h:88
LpcPortObjectType
POBJECT_TYPE LpcPortObjectType
Definition: port.c:17
KernelMode
#define KernelMode
Definition: asm.h:34
TokenHandle
_In_ ACCESS_MASK _In_ ULONG _Out_ PHANDLE TokenHandle
Definition: psfuncs.h:726
SEM_NOALIGNMENTFAULTEXCEPT
#define SEM_NOALIGNMENTFAULTEXCEPT
Definition: rtltypes.h:71
ACCESS_MASK
ULONG ACCESS_MASK
Definition: nt_native.h:40
KeSetAffinityProcess
KAFFINITY NTAPI KeSetAffinityProcess(IN PKPROCESS Process, IN KAFFINITY Affinity)
Definition: procobj.c:265
KeActiveProcessors
KAFFINITY KeActiveProcessors
Definition: krnlinit.c:23
Ke386SetIOPL
VOID NTAPI Ke386SetIOPL(VOID)
Definition: v86vdm.c:581
KeSetDisableBoostProcess
BOOLEAN NTAPI KeSetDisableBoostProcess(IN PKPROCESS Process, IN BOOLEAN Disable)
Definition: procobj.c:331
KeSetDisableBoostThread
BOOLEAN NTAPI KeSetDisableBoostThread(IN OUT PKTHREAD Thread, IN BOOLEAN Disable)
Definition: thrdobj.c:86
KeSetAutoAlignmentProcess
BOOLEAN NTAPI KeSetAutoAlignmentProcess(IN PKPROCESS Process, IN BOOLEAN Enable)
Definition: procobj.c:313
KeBoostPriorityThread
VOID NTAPI KeBoostPriorityThread(IN PKTHREAD Thread, IN KPRIORITY Increment)
Definition: thrdobj.c:220
KeSetPriorityAndQuantumProcess
KPRIORITY NTAPI KeSetPriorityAndQuantumProcess(IN PKPROCESS Process, IN KPRIORITY Priority, IN UCHAR Quantum OPTIONAL)
Definition: procobj.c:349
MmSetExecuteOptions
NTSTATUS NTAPI MmSetExecuteOptions(IN ULONG ExecuteOptions)
Definition: pagfault.c:2695
MmSetMemoryPriorityProcess
NTSTATUS NTAPI MmSetMemoryPriorityProcess(IN PEPROCESS Process, IN UCHAR MemoryPriority)
Definition: procsup.c:486
DefaultSetInfoBufferCheck
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
SeDebugPrivilege
const LUID SeDebugPrivilege
Definition: priv.c:39
SeCheckPrivilegedObject
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
SeTcbPrivilege
const LUID SeTcbPrivilege
Definition: priv.c:26
SeIncreaseBasePriorityPrivilege
const LUID SeIncreaseBasePriorityPrivilege
Definition: priv.c:33
PsSetProcessPriorityByClass
VOID NTAPI PsSetProcessPriorityByClass(IN PEPROCESS Process, IN PSPROCESSPRIORITYMODE Type)
Definition: process.c:1325
SeSinglePrivilegeCheck
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
STATUS_PROCESS_IS_TERMINATING
#define STATUS_PROCESS_IS_TERMINATING
Definition: ntstatus.h:502
STATUS_PORT_ALREADY_SET
#define STATUS_PORT_ALREADY_SET
Definition: ntstatus.h:308
ObSetDeviceMap
NTSTATUS NTAPI ObSetDeviceMap(IN PEPROCESS Process, IN HANDLE DirectoryHandle)
Definition: devicemap.c:24
KeDetachProcess
VOID NTAPI KeDetachProcess(VOID)
Definition: procobj.c:621
KeAttachProcess
VOID NTAPI KeAttachProcess(IN PKPROCESS Process)
Definition: procobj.c:582
PspSetPrimaryToken
NTSTATUS NTAPI PspSetPrimaryToken(IN PEPROCESS Process, IN HANDLE TokenHandle OPTIONAL, IN PACCESS_TOKEN Token OPTIONAL)
Definition: security.c:215
PspSetQuotaLimits
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
PspClearProcessFlag
#define PspClearProcessFlag(Process, Flag)
Definition: ps_x.h:35
PspSetProcessFlag
#define PspSetProcessFlag(Process, Flag)
Definition: ps_x.h:33
_WIN32_WINNT_WS03
#define _WIN32_WINNT_WS03
Definition: sdkddkver.h:23
_LIST_ENTRY
Definition: typedefs.h:120
_PROCESS_ACCESS_TOKEN
Definition: pstypes.h:146
_PROCESS_FOREGROUND_BACKGROUND
Definition: pstypes.h:965
_PROCESS_FOREGROUND_BACKGROUND::Foreground
BOOLEAN Foreground
Definition: pstypes.h:966
PBOOLEAN
unsigned char * PBOOLEAN
Definition: typedefs.h:53
CONTAINING_RECORD
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
STATUS_ACCESS_DENIED
#define STATUS_ACCESS_DENIED
Definition: udferr_usr.h:145
HasPrivilege
BOOLEAN HasPrivilege(IN PPRIVILEGE_SET Privilege)
Definition: shutdown.c:92
Affinity
_In_ ULONG _In_ ULONG _In_ ULONG _Out_ PKIRQL _Out_ PKAFFINITY Affinity
Definition: halfuncs.h:174
UCHAR
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{
2023 PETHREAD Thread;
2024 KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
2025 NTSTATUS Status;
2026 HANDLE TokenHandle = NULL;
2027 KPRIORITY Priority = 0;
2028 KAFFINITY Affinity = 0, CombinedAffinity;
2029 PVOID Address = NULL;
2030 PEPROCESS Process;
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;
2038 BOOLEAN HasPrivilege;
2039 PAGED_CODE();
2040
2041 /* Verify Information Class validity */
2042 Status = DefaultSetInfoBufferCheck(ThreadInformationClass,
2043 PsThreadInfoClass,
2044 RTL_NUMBER_OF(PsThreadInfoClass),
2045 ThreadInformation,
2046 ThreadInformationLength,
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 {
2063 Status = STATUS_INFO_LENGTH_MISMATCH;
2064 break;
2065 }
2066
2067 /* Use SEH for capture */
2068 _SEH2_TRY
2069 {
2070 /* Get the priority */
2071 Priority = *(PLONG)ThreadInformation;
2072 }
2073 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2074 {
2075 /* Get the exception code */
2076 Status = _SEH2_GetExceptionCode();
2077 _SEH2_YIELD(break);
2078 }
2079 _SEH2_END;
2080
2081 /* Validate it */
2082 if ((Priority > HIGH_PRIORITY) ||
2083 (Priority <= LOW_PRIORITY))
2084 {
2085 /* Fail */
2086 Status = STATUS_INVALID_PARAMETER;
2087 break;
2088 }
2089
2090 /* Check for the required privilege */
2091 if (Priority >= LOW_REALTIME_PRIORITY)
2092 {
2093 HasPrivilege = SeCheckPrivilegedObject(SeIncreaseBasePriorityPrivilege,
2094 ThreadHandle,
2095 THREAD_SET_INFORMATION,
2096 PreviousMode);
2097 if (!HasPrivilege)
2098 {
2099 DPRINT1("Privilege to change priority to %lx lacking\n", Priority);
2100 return STATUS_PRIVILEGE_NOT_HELD;
2101 }
2102 }
2103
2104 /* Reference the thread */
2105 Status = ObReferenceObjectByHandle(ThreadHandle,
2106 THREAD_SET_INFORMATION,
2107 PsThreadType,
2108 PreviousMode,
2109 (PVOID*)&Thread,
2110 NULL);
2111 if (!NT_SUCCESS(Status))
2112 break;
2113
2114 /* Set the priority */
2115 KeSetPriorityThread(&Thread->Tcb, Priority);
2116
2117 /* Dereference the thread */
2118 ObDereferenceObject(Thread);
2119 break;
2120
2121 case ThreadBasePriority:
2122
2123 /* Check buffer length */
2124 if (ThreadInformationLength != sizeof(LONG))
2125 {
2126 Status = STATUS_INFO_LENGTH_MISMATCH;
2127 break;
2128 }
2129
2130 /* Use SEH for capture */
2131 _SEH2_TRY
2132 {
2133 /* Get the priority */
2134 Priority = *(PLONG)ThreadInformation;
2135 }
2136 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2137 {
2138 /* Get the exception code */
2139 Status = _SEH2_GetExceptionCode();
2140 _SEH2_YIELD(break);
2141 }
2142 _SEH2_END;
2143
2144 /* Validate it */
2145 if ((Priority > THREAD_BASE_PRIORITY_MAX) ||
2146 (Priority < THREAD_BASE_PRIORITY_MIN))
2147 {
2148 /* These ones are OK */
2149 if ((Priority != THREAD_BASE_PRIORITY_LOWRT + 1) &&
2150 (Priority != THREAD_BASE_PRIORITY_IDLE - 1))
2151 {
2152 /* Check if the process is real time */
2153 if (PsGetCurrentProcess()->PriorityClass !=
2154 PROCESS_PRIORITY_CLASS_REALTIME)
2155 {
2156 /* It isn't, fail */
2157 Status = STATUS_INVALID_PARAMETER;
2158 break;
2159 }
2160 }
2161 }
2162
2163 /* Reference the thread */
2164 Status = ObReferenceObjectByHandle(ThreadHandle,
2165 THREAD_SET_INFORMATION,
2166 PsThreadType,
2167 PreviousMode,
2168 (PVOID*)&Thread,
2169 NULL);
2170 if (!NT_SUCCESS(Status))
2171 break;
2172
2173 /* Set the base priority */
2174 KeSetBasePriorityThread(&Thread->Tcb, Priority);
2175
2176 /* Dereference the thread */
2177 ObDereferenceObject(Thread);
2178 break;
2179
2180 case ThreadAffinityMask:
2181
2182 /* Check buffer length */
2183 if (ThreadInformationLength != sizeof(ULONG_PTR))
2184 {
2185 Status = STATUS_INFO_LENGTH_MISMATCH;
2186 break;
2187 }
2188
2189 /* Use SEH for capture */
2190 _SEH2_TRY
2191 {
2192 /* Get the priority */
2193 Affinity = *(PULONG_PTR)ThreadInformation;
2194 }
2195 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2196 {
2197 /* Get the exception code */
2198 Status = _SEH2_GetExceptionCode();
2199 _SEH2_YIELD(break);
2200 }
2201 _SEH2_END;
2202
2203 /* Validate it */
2204 if (!Affinity)
2205 {
2206 /* Fail */
2207 Status = STATUS_INVALID_PARAMETER;
2208 break;
2209 }
2210
2211 /* Reference the thread */
2212 Status = ObReferenceObjectByHandle(ThreadHandle,
2213 THREAD_SET_INFORMATION,
2214 PsThreadType,
2215 PreviousMode,
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 */
2228 KeEnterCriticalRegion();
2229 ExAcquirePushLockShared(&Process->ProcessLock);
2230
2231 /* Combine masks */
2232 CombinedAffinity = Affinity & Process->Pcb.Affinity;
2233 if (CombinedAffinity != Affinity)
2234 {
2235 /* Fail */
2236 Status = STATUS_INVALID_PARAMETER;
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);
2246 KeLeaveCriticalRegion();
2247 ExReleaseRundownProtection(&Process->RundownProtect);
2248 }
2249 else
2250 {
2251 /* Too late */
2252 Status = STATUS_PROCESS_IS_TERMINATING;
2253 }
2254
2255 /* Dereference the thread */
2256 ObDereferenceObject(Thread);
2257 break;
2258
2259 case ThreadImpersonationToken:
2260
2261 /* Check buffer length */
2262 if (ThreadInformationLength != sizeof(HANDLE))
2263 {
2264 Status = STATUS_INFO_LENGTH_MISMATCH;
2265 break;
2266 }
2267
2268 /* Use SEH for capture */
2269 _SEH2_TRY
2270 {
2271 /* Save the token handle */
2272 TokenHandle = *(PHANDLE)ThreadInformation;
2273 }
2274 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2275 {
2276 /* Get the exception code */
2277 Status = _SEH2_GetExceptionCode();
2278 _SEH2_YIELD(break);
2279 }
2280 _SEH2_END;
2281
2282 /* Reference the thread */
2283 Status = ObReferenceObjectByHandle(ThreadHandle,
2284 THREAD_SET_THREAD_TOKEN,
2285 PsThreadType,
2286 PreviousMode,
2287 (PVOID*)&Thread,
2288 NULL);
2289 if (!NT_SUCCESS(Status))
2290 break;
2291
2292 /* Assign the actual token */
2293 Status = PsAssignImpersonationToken(Thread, TokenHandle);
2294
2295 /* Dereference the thread */
2296 ObDereferenceObject(Thread);
2297 break;
2298
2299 case ThreadQuerySetWin32StartAddress:
2300
2301 /* Check buffer length */
2302 if (ThreadInformationLength != sizeof(ULONG_PTR))
2303 {
2304 Status = STATUS_INFO_LENGTH_MISMATCH;
2305 break;
2306 }
2307
2308 /* Use SEH for capture */
2309 _SEH2_TRY
2310 {
2311 /* Get the priority */
2312 Address = *(PVOID*)ThreadInformation;
2313 }
2314 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2315 {
2316 /* Get the exception code */
2317 Status = _SEH2_GetExceptionCode();
2318 _SEH2_YIELD(break);
2319 }
2320 _SEH2_END;
2321
2322 /* Reference the thread */
2323 Status = ObReferenceObjectByHandle(ThreadHandle,
2324 THREAD_SET_INFORMATION,
2325 PsThreadType,
2326 PreviousMode,
2327 (PVOID*)&Thread,
2328 NULL);
2329 if (!NT_SUCCESS(Status))
2330 break;
2331
2332 /* Set the address */
2333 Thread->Win32StartAddress = Address;
2334
2335 /* Dereference the thread */
2336 ObDereferenceObject(Thread);
2337 break;
2338
2339 case ThreadIdealProcessor:
2340
2341 /* Check buffer length */
2342 if (ThreadInformationLength != sizeof(ULONG_PTR))
2343 {
2344 Status = STATUS_INFO_LENGTH_MISMATCH;
2345 break;
2346 }
2347
2348 /* Use SEH for capture */
2349 _SEH2_TRY
2350 {
2351 /* Get the priority */
2352 IdealProcessor = *(PULONG_PTR)ThreadInformation;
2353 }
2354 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2355 {
2356 /* Get the exception code */
2357 Status = _SEH2_GetExceptionCode();
2358 _SEH2_YIELD(break);
2359 }
2360 _SEH2_END;
2361
2362 /* Validate it */
2363 if (IdealProcessor > MAXIMUM_PROCESSORS)
2364 {
2365 /* Fail */
2366 Status = STATUS_INVALID_PARAMETER;
2367 break;
2368 }
2369
2370 /* Reference the thread */
2371 Status = ObReferenceObjectByHandle(ThreadHandle,
2372 THREAD_SET_INFORMATION,
2373 PsThreadType,
2374 PreviousMode,
2375 (PVOID*)&Thread,
2376 NULL);
2377 if (!NT_SUCCESS(Status))
2378 break;
2379
2380 /* Set the ideal */
2381 Status = KeSetIdealProcessorThread(&Thread->Tcb,
2382 (CCHAR)IdealProcessor);
2383
2384 /* Get the TEB and protect the thread */
2385 Teb = Thread->Tcb.Teb;
2386 if ((Teb) && (ExAcquireRundownProtection(&Thread->RundownProtect)))
2387 {
2388 /* Save the ideal processor */
2389 Teb->IdealProcessor = Thread->Tcb.IdealProcessor;
2390
2391 /* Release rundown protection */
2392 ExReleaseRundownProtection(&Thread->RundownProtect);
2393 }
2394
2395 /* Dereference the thread */
2396 ObDereferenceObject(Thread);
2397 break;
2398
2399 case ThreadPriorityBoost:
2400
2401 /* Check buffer length */
2402 if (ThreadInformationLength != sizeof(ULONG_PTR))
2403 {
2404 Status = STATUS_INFO_LENGTH_MISMATCH;
2405 break;
2406 }
2407
2408 /* Use SEH for capture */
2409 _SEH2_TRY
2410 {
2411 /* Get the priority */
2412 DisableBoost = *(PULONG_PTR)ThreadInformation;
2413 }
2414 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2415 {
2416 /* Get the exception code */
2417 Status = _SEH2_GetExceptionCode();
2418 _SEH2_YIELD(break);
2419 }
2420 _SEH2_END;
2421
2422 /* Reference the thread */
2423 Status = ObReferenceObjectByHandle(ThreadHandle,
2424 THREAD_SET_INFORMATION,
2425 PsThreadType,
2426 PreviousMode,
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 */
2436 ObDereferenceObject(Thread);
2437 break;
2438
2439 case ThreadZeroTlsCell:
2440
2441 /* Check buffer length */
2442 if (ThreadInformationLength != sizeof(ULONG))
2443 {
2444 Status = STATUS_INFO_LENGTH_MISMATCH;
2445 break;
2446 }
2447
2448 /* Use SEH for capture */
2449 _SEH2_TRY
2450 {
2451 /* Get the priority */
2452 TlsIndex = *(PULONG)ThreadInformation;
2453 }
2454 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2455 {
2456 /* Get the exception code */
2457 Status = _SEH2_GetExceptionCode();
2458 _SEH2_YIELD(break);
2459 }
2460 _SEH2_END;
2461
2462 /* Reference the thread */
2463 Status = ObReferenceObjectByHandle(ThreadHandle,
2464 THREAD_SET_INFORMATION,
2465 PsThreadType,
2466 PreviousMode,
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 */
2476 Status = STATUS_INVALID_PARAMETER;
2477 ObDereferenceObject(Thread);
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 */
2489 if (ExAcquireRundownProtection(&ProcThread->RundownProtect))
2490 {
2491 /* Get the TEB */
2492 Teb = ProcThread->Tcb.Teb;
2493 if (Teb)
2494 {
2495 /* Check if we're in the expansion range */
2496 if (TlsIndex > TLS_MINIMUM_AVAILABLE - 1)
2497 {
2498 if (TlsIndex < (TLS_MINIMUM_AVAILABLE +
2499 TLS_EXPANSION_SLOTS) - 1)
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 */
2518 ExReleaseRundownProtection(&ProcThread->RundownProtect);
2519 }
2520
2521 /* Go to the next thread */
2522 ProcThread = PsGetNextProcessThread(Process, ProcThread);
2523 }
2524
2525 /* Dereference the thread */
2526 ObDereferenceObject(Thread);
2527 break;
2528
2529 case ThreadBreakOnTermination:
2530
2531 /* Check buffer length */
2532 if (ThreadInformationLength != sizeof(ULONG))
2533 {
2534 Status = STATUS_INFO_LENGTH_MISMATCH;
2535 break;
2536 }
2537
2538 /* Enter SEH for direct buffer read */
2539 _SEH2_TRY
2540 {
2541 Break = *(PULONG)ThreadInformation;
2542 }
2543 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
2544 {
2545 /* Get exception code */
2546 Break = 0;
2547 Status = _SEH2_GetExceptionCode();
2548 _SEH2_YIELD(break);
2549 }
2550 _SEH2_END;
2551
2552 /* Setting 'break on termination' requires the SeDebugPrivilege */
2553 if (!SeSinglePrivilegeCheck(SeDebugPrivilege, PreviousMode))
2554 {
2555 /* We don't hold the privilege, bail out */
2556 Status = STATUS_PRIVILEGE_NOT_HELD;
2557 break;
2558 }
2559
2560 /* Reference the thread */
2561 Status = ObReferenceObjectByHandle(ThreadHandle,
2562 THREAD_SET_INFORMATION,
2563 PsThreadType,
2564 PreviousMode,
2565 (PVOID*)&Thread,
2566 NULL);
2567 if (!NT_SUCCESS(Status))
2568 break;
2569
2570 /* Set or clear the flag */
2571 if (Break)
2572 {
2573 PspSetCrossThreadFlag(Thread, CT_BREAK_ON_TERMINATION_BIT);
2574 }
2575 else
2576 {
2577 PspClearCrossThreadFlag(Thread, CT_BREAK_ON_TERMINATION_BIT);
2578 }
2579
2580 /* Dereference the thread */
2581 ObDereferenceObject(Thread);
2582 break;
2583
2584 case ThreadHideFromDebugger:
2585
2586 /* Check buffer length */
2587 if (ThreadInformationLength != 0)
2588 {
2589 Status = STATUS_INFO_LENGTH_MISMATCH;
2590 break;
2591 }
2592
2593 /* Reference the thread */
2594 Status = ObReferenceObjectByHandle(ThreadHandle,
2595 THREAD_SET_INFORMATION,
2596 PsThreadType,
2597 PreviousMode,
2598 (PVOID*)&Thread,
2599 NULL);
2600 if (!NT_SUCCESS(Status))
2601 break;
2602
2603 /* Set the flag */
2604 PspSetCrossThreadFlag(Thread, CT_HIDE_FROM_DEBUGGER_BIT);
2605
2606 /* Dereference the thread */
2607 ObDereferenceObject(Thread);
2608 break;
2609
2610 default:
2611 /* We don't implement it yet */
2612 DPRINT1("Not implemented: %d\n", ThreadInformationClass);
2613 Status = STATUS_NOT_IMPLEMENTED;
2614 }
2615
2616 return Status;
2617}
ThreadPriority
@ ThreadPriority
Definition: compat.h:937
ThreadIdealProcessor
@ ThreadIdealProcessor
Definition: compat.h:948
ThreadBreakOnTermination
@ ThreadBreakOnTermination
Definition: compat.h:953
ThreadImpersonationToken
@ ThreadImpersonationToken
Definition: compat.h:940
ThreadAffinityMask
@ ThreadAffinityMask
Definition: compat.h:939
ThreadBasePriority
@ ThreadBasePriority
Definition: compat.h:938
ThreadZeroTlsCell
@ ThreadZeroTlsCell
Definition: compat.h:945
ThreadHideFromDebugger
@ ThreadHideFromDebugger
Definition: compat.h:952
PsGetCurrentThread
#define PsGetCurrentThread()
Definition: env_spec_w32.h:81
MAXIMUM_PROCESSORS
#define MAXIMUM_PROCESSORS
Definition: rwlock.h:5
THREAD_SET_THREAD_TOKEN
#define THREAD_SET_THREAD_TOKEN
Definition: pstypes.h:151
THREAD_BASE_PRIORITY_LOWRT
#define THREAD_BASE_PRIORITY_LOWRT
Definition: pstypes.h:183
CT_HIDE_FROM_DEBUGGER_BIT
#define CT_HIDE_FROM_DEBUGGER_BIT
Definition: pstypes.h:241
THREAD_BASE_PRIORITY_MIN
#define THREAD_BASE_PRIORITY_MIN
Definition: pstypes.h:185
THREAD_BASE_PRIORITY_MAX
#define THREAD_BASE_PRIORITY_MAX
Definition: pstypes.h:184
THREAD_BASE_PRIORITY_IDLE
#define THREAD_BASE_PRIORITY_IDLE
Definition: pstypes.h:186
TLS_EXPANSION_SLOTS
#define TLS_EXPANSION_SLOTS
Definition: pstypes.h:311
CT_BREAK_ON_TERMINATION_BIT
#define CT_BREAK_ON_TERMINATION_BIT
Definition: pstypes.h:245
LOW_REALTIME_PRIORITY
#define LOW_REALTIME_PRIORITY
THREAD_SET_INFORMATION
#define THREAD_SET_INFORMATION
Definition: nt_native.h:1337
PsAssignImpersonationToken
NTSTATUS NTAPI PsAssignImpersonationToken(IN PETHREAD Thread, IN HANDLE TokenHandle)
Definition: security.c:502
Address
static WCHAR Address[46]
Definition: ping.c:68
PsGetNextProcessThread
PETHREAD NTAPI PsGetNextProcessThread(IN PEPROCESS Process, IN PETHREAD Thread OPTIONAL)
Definition: process.c:75
PspSetCrossThreadFlag
#define PspSetCrossThreadFlag(Thread, Flag)
Definition: ps_x.h:25
PspClearCrossThreadFlag
#define PspClearCrossThreadFlag(Thread, Flag)
Definition: ps_x.h:27
TLS_MINIMUM_AVAILABLE
#define TLS_MINIMUM_AVAILABLE
Definition: ntddk_ex.h:236
_ETHREAD::RundownProtect
EX_RUNDOWN_REF RundownProtect
Definition: pstypes.h:1160
_KTHREAD::IdealProcessor
ULONG IdealProcessor
Definition: ketypes.h:1944
_TEB
Definition: compat.h:836
_TEB::TlsExpansionSlots
PVOID * TlsExpansionSlots
Definition: compat.h:894
_TEB::TlsSlots
PVOID TlsSlots[64]
Definition: compat.h:879
KeSetIdealProcessorThread
UCHAR NTAPI KeSetIdealProcessorThread(IN PKTHREAD Thread, IN UCHAR Processor)
Definition: thrdobj.c:1066
KeSetBasePriorityThread
LONG NTAPI KeSetBasePriorityThread(IN PKTHREAD Thread, IN LONG Increment)
Definition: thrdobj.c:1176
KeSetPriorityThread
KPRIORITY NTAPI KeSetPriorityThread(IN PKTHREAD Thread, IN KPRIORITY Priority)
Definition: thrdobj.c:1319
KeSetAffinityThread
KAFFINITY NTAPI KeSetAffinityThread(IN PKTHREAD Thread, IN KAFFINITY Affinity)
Definition: thrdobj.c:1295
PLONG
int32_t * PLONG
Definition: typedefs.h:58
CCHAR
char CCHAR
Definition: typedefs.h:51
Priority
_In_ WDFINTERRUPT _In_ WDF_INTERRUPT_POLICY _In_ WDF_INTERRUPT_PRIORITY Priority
Definition: wdfinterrupt.h:655
TlsIndex
#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 {
33 return STATUS_PROCESS_IS_TERMINATING;
34 }
35
36 /* Get the section */
37 Section = Process->SectionObject;
38 if (Section)
39 {
40 /* Get the file object and reference it */
41 *FileObject = MmGetFileObjectForSection((PVOID)Section);
42 ObReferenceObject(*FileObject);
43 }
44
45 /* Release the protection */
46 ExReleaseRundownProtection(&Process->RundownProtect);
47
48 /* Return status */
49 return Section ? STATUS_SUCCESS : STATUS_UNSUCCESSFUL;
50}
MmGetFileObjectForSection
PFILE_OBJECT NTAPI MmGetFileObjectForSection(IN PVOID Section)
Definition: section.c:1541
_SECTION
Definition: mmtypes.h:810
STATUS_UNSUCCESSFUL
#define STATUS_UNSUCCESSFUL
Definition: udferr_usr.h:132
FileObject
_In_ WDFREQUEST _In_ WDFFILEOBJECT FileObject
Definition: wdfdevice.h:550
ObReferenceObject
#define ObReferenceObject
Definition: obfuncs.h:204

Referenced by SeLocateProcessImageName().

Variable Documentation

◆ PspTraceLevel

ULONG PspTraceLevel = 0

Definition at line 18 of file query.c.