mirror of
https://github.com/reactos/reactos.git
synced 2024-08-15 16:07:07 +00:00
- Check the caller pointers in all cases.
- Simplified the thread info functions a little bit. svn path=/trunk/; revision=12698
This commit is contained in:
Hartmut Birr
parent
38d12a5ce6
commit
6bd1cc19a3
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@ -1,4 +1,4 @@
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/* $Id: tinfo.c,v 1.31 2004/11/19 22:19:33 gdalsnes Exp $
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/* $Id$
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -16,6 +16,69 @@
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#include <ntoskrnl.h>
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#include <internal/debug.h>
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/* GLOBALS *****************************************************************/
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/*
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* FIXME:
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* Remove the Implemented value if all functions are implemented.
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*/
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static const struct
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{
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BOOLEAN Implemented;
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ULONG Size;
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} QueryInformationData[MaxThreadInfoClass + 1] =
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{
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{TRUE, sizeof(THREAD_BASIC_INFORMATION)}, // ThreadBasicInformation
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{TRUE, sizeof(KERNEL_USER_TIMES)}, // ThreadTimes
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{TRUE, 0}, // ThreadPriority
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{TRUE, 0}, // ThreadBasePriority
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{TRUE, 0}, // ThreadAffinityMask
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{TRUE, 0}, // ThreadImpersonationToken
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{FALSE, 0}, // ThreadDescriptorTableEntry
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{TRUE, 0}, // ThreadEnableAlignmentFaultFixup
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{TRUE, 0}, // ThreadEventPair
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{TRUE, sizeof(PVOID)}, // ThreadQuerySetWin32StartAddress
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{TRUE, 0}, // ThreadZeroTlsCell
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{TRUE, sizeof(LARGE_INTEGER)}, // ThreadPerformanceCount
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{TRUE, sizeof(BOOLEAN)}, // ThreadAmILastThread
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{TRUE, 0}, // ThreadIdealProcessor
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{FALSE, 0}, // ThreadPriorityBoost
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{TRUE, 0}, // ThreadSetTlsArrayAddress
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{FALSE, 0}, // ThreadIsIoPending
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{TRUE, 0} // ThreadHideFromDebugger
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};
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static const struct
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{
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BOOLEAN Implemented;
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ULONG Size;
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} SetInformationData[MaxThreadInfoClass + 1] =
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{
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{TRUE, 0}, // ThreadBasicInformation
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{TRUE, 0}, // ThreadTimes
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{TRUE, sizeof(KPRIORITY)}, // ThreadPriority
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{TRUE, sizeof(LONG)}, // ThreadBasePriority
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{TRUE, sizeof(KAFFINITY)}, // ThreadAffinityMask
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{TRUE, sizeof(HANDLE)}, // ThreadImpersonationToken
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{TRUE, 0}, // ThreadDescriptorTableEntry
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{FALSE, 0}, // ThreadEnableAlignmentFaultFixup
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#ifdef _ENABLE_THRDEVTPAIR
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{TRUE, sizeof(HANDLE)}, // ThreadEventPair
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#else
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{FALSE, 0}, // ThreadEventPair
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#endif
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{TRUE, sizeof(PVOID)}, // ThreadQuerySetWin32StartAddress
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{FALSE, 0}, // ThreadZeroTlsCell
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{TRUE, 0}, // ThreadPerformanceCount
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{TRUE, 0}, // ThreadAmILastThread
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{FALSE, 0}, // ThreadIdealProcessor
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{FALSE, 0}, // ThreadPriorityBoost
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{FALSE, 0}, // ThreadSetTlsArrayAddress
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{TRUE, 0}, // ThreadIsIoPending
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{FALSE, 0} // ThreadHideFromDebugger
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};
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/* FUNCTIONS *****************************************************************/
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/*
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@ -29,6 +92,29 @@ NtSetInformationThread (IN HANDLE ThreadHandle,
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{
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PETHREAD Thread;
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NTSTATUS Status;
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union
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{
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KPRIORITY Priority;
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LONG Increment;
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KAFFINITY Affinity;
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HANDLE Handle;
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PVOID Address;
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}u;
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if (ThreadInformationClass <= MaxThreadInfoClass &&
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!SetInformationData[ThreadInformationClass].Implemented)
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{
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return STATUS_NOT_IMPLEMENTED;
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}
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if (ThreadInformationClass > MaxThreadInfoClass ||
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SetInformationData[ThreadInformationClass].Size == 0)
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{
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return STATUS_INVALID_INFO_CLASS;
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}
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if (ThreadInformationLength != SetInformationData[ThreadInformationClass].Size)
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{
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return STATUS_INFO_LENGTH_MISMATCH;
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}
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Status = ObReferenceObjectByHandle (ThreadHandle,
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THREAD_SET_INFORMATION,
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@ -41,174 +127,62 @@ NtSetInformationThread (IN HANDLE ThreadHandle,
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return Status;
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}
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switch (ThreadInformationClass)
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{
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case ThreadBasicInformation:
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/* Can only be queried */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
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Status = MmCopyFromCaller(&u.Priority,
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ThreadInformation,
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SetInformationData[ThreadInformationClass].Size);
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if (NT_SUCCESS(Status))
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{
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switch (ThreadInformationClass)
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{
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case ThreadPriority:
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if (u.Priority < LOW_PRIORITY || u.Priority >= MAXIMUM_PRIORITY)
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{
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Status = STATUS_INVALID_PARAMETER;
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break;
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}
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KeSetPriorityThread(&Thread->Tcb, u.Priority);
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break;
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case ThreadTimes:
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/* Can only be queried */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
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case ThreadBasePriority:
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KeSetBasePriorityThread (&Thread->Tcb, u.Increment);
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break;
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case ThreadPriority:
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{
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KPRIORITY Priority;
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if (ThreadInformationLength != sizeof(KPRIORITY))
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{
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Status = STATUS_INFO_LENGTH_MISMATCH;
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break;
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}
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Priority = *(KPRIORITY*)ThreadInformation;
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if (Priority < LOW_PRIORITY || Priority >= MAXIMUM_PRIORITY)
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{
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Status = STATUS_INVALID_PARAMETER;
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break;
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}
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KeSetPriorityThread(&Thread->Tcb, Priority);
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Status = STATUS_SUCCESS;
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break;
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}
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case ThreadAffinityMask:
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Status = KeSetAffinityThread(&Thread->Tcb, u.Affinity);
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break;
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case ThreadBasePriority:
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{
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LONG Increment;
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if (ThreadInformationLength != sizeof(LONG))
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{
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Status = STATUS_INFO_LENGTH_MISMATCH;
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break;
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}
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Status = MmCopyFromCaller(&Increment,
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ThreadInformation,
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sizeof(ULONG));
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if (NT_SUCCESS(Status))
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{
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KeSetBasePriorityThread (&Thread->Tcb, Increment);
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}
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}
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break;
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case ThreadAffinityMask:
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Thread->Tcb.UserAffinity = *((PULONG)ThreadInformation);
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break;
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case ThreadImpersonationToken:
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{
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HANDLE TokenHandle;
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if (ThreadInformationLength != sizeof(HANDLE))
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{
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Status = STATUS_INFO_LENGTH_MISMATCH;
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break;
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}
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TokenHandle = *((PHANDLE)ThreadInformation);
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Status = PsAssignImpersonationToken (Thread,
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TokenHandle);
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break;
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}
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case ThreadDescriptorTableEntry:
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/* Can only be queried */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
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case ThreadImpersonationToken:
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Status = PsAssignImpersonationToken (Thread, u.Handle);
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break;
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#ifdef _ENABLE_THRDEVTPAIR
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case ThreadEventPair:
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{
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PKEVENT_PAIR EventPair;
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case ThreadEventPair:
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{
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PKEVENT_PAIR EventPair;
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if (ThreadInformationLength != sizeof(HANDLE))
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{
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Status = STATUS_INFO_LENGTH_MISMATCH;
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break;
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}
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if (ExGetPreviousMode() == UserMode) /* FIXME: Validate this for all infoclasses and system services */
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{
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DPRINT("NtSetInformationThread:ThreadEventPair: Checking user pointer %08x...\n", ThreadInformation);
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ProbeForRead(ThreadInformation, sizeof(HANDLE), sizeof(HANDLE)); /* FIXME: This entire function should be
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* wrapped in an SEH frame... return (NTSTATUS)GetExceptionCode() on exception */
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}
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Status = ObReferenceObjectByHandle(*(PHANDLE)ThreadInformation,
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STANDARD_RIGHTS_ALL,
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ExEventPairObjectType,
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ExGetPreviousMode(),
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(PVOID*)&EventPair,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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break;
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}
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ExpSwapThreadEventPair(Thread, EventPair); /* Note that the extra reference is kept intentionally */
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Status = STATUS_SUCCESS;
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break;
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}
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#else /* !_ENABLE_THRDEVTPAIR */
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case ThreadEventPair:
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{
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Status = STATUS_NOT_IMPLEMENTED;
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break;
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}
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Status = ObReferenceObjectByHandle(u.Handle,
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STANDARD_RIGHTS_ALL,
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ExEventPairObjectType,
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ExGetPreviousMode(),
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(PVOID*)&EventPair,
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NULL);
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if (NT_SUCCESS(Status))
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{
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ExpSwapThreadEventPair(Thread, EventPair); /* Note that the extra reference is kept intentionally */
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}
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break;
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}
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#endif /* _ENABLE_THRDEVTPAIR */
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case ThreadQuerySetWin32StartAddress:
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if (ThreadInformationLength != sizeof(ULONG))
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{
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Status = STATUS_INFO_LENGTH_MISMATCH;
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break;
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}
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Thread->Win32StartAddress = (PVOID)*((PULONG)ThreadInformation);
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Status = STATUS_SUCCESS;
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break;
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case ThreadZeroTlsCell:
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{
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Status = STATUS_NOT_IMPLEMENTED;
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break;
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}
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case ThreadPerformanceCount:
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/* Can only be queried */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
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case ThreadAmILastThread:
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/* Can only be queried */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
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case ThreadIdealProcessor:
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Status = STATUS_NOT_IMPLEMENTED;
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break;
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case ThreadPriorityBoost:
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Status = STATUS_NOT_IMPLEMENTED;
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break;
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case ThreadSetTlsArrayAddress:
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Status = STATUS_NOT_IMPLEMENTED;
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break;
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case ThreadIsIoPending:
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/* Can only be queried */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
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case ThreadHideFromDebugger:
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Status = STATUS_NOT_IMPLEMENTED;
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break;
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default:
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Status = STATUS_UNSUCCESSFUL;
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}
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case ThreadQuerySetWin32StartAddress:
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Thread->Win32StartAddress = u.Address;
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break;
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default:
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/* Shoult never occure if the data table is correct */
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KEBUGCHECK(0);
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}
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}
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ObDereferenceObject (Thread);
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return Status;
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@ -226,6 +200,29 @@ NtQueryInformationThread (IN HANDLE ThreadHandle,
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{
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PETHREAD Thread;
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NTSTATUS Status;
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union
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{
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THREAD_BASIC_INFORMATION TBI;
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KERNEL_USER_TIMES TTI;
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PVOID Address;
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LARGE_INTEGER Count;
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BOOLEAN Last;
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}u;
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if (ThreadInformationClass <= MaxThreadInfoClass &&
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!QueryInformationData[ThreadInformationClass].Implemented)
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{
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return STATUS_NOT_IMPLEMENTED;
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}
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if (ThreadInformationClass > MaxThreadInfoClass ||
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QueryInformationData[ThreadInformationClass].Size == 0)
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{
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return STATUS_INVALID_INFO_CLASS;
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}
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if (ThreadInformationLength != QueryInformationData[ThreadInformationClass].Size)
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{
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return STATUS_INFO_LENGTH_MISMATCH;
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}
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Status = ObReferenceObjectByHandle(ThreadHandle,
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THREAD_QUERY_INFORMATION,
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@ -240,161 +237,70 @@ NtQueryInformationThread (IN HANDLE ThreadHandle,
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switch (ThreadInformationClass)
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{
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case ThreadBasicInformation:
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{
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PTHREAD_BASIC_INFORMATION TBI;
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TBI = (PTHREAD_BASIC_INFORMATION)ThreadInformation;
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if (ThreadInformationLength != sizeof(THREAD_BASIC_INFORMATION))
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{
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Status = STATUS_INFO_LENGTH_MISMATCH;
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break;
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}
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/* A test on W2K agains ntdll shows NtQueryInformationThread return STATUS_PENDING
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* as ExitStatus for current/running thread, while KETHREAD's ExitStatus is
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* 0. So do the conversion here:
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* -Gunnar */
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TBI->ExitStatus = (Thread->ExitStatus == 0) ? STATUS_PENDING : Thread->ExitStatus;
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TBI->TebBaseAddress = Thread->Tcb.Teb;
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TBI->ClientId = Thread->Cid;
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TBI->AffinityMask = Thread->Tcb.Affinity;
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TBI->Priority = Thread->Tcb.Priority;
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TBI->BasePriority = Thread->Tcb.BasePriority;
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Status = STATUS_SUCCESS;
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case ThreadBasicInformation:
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/* A test on W2K agains ntdll shows NtQueryInformationThread return STATUS_PENDING
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* as ExitStatus for current/running thread, while KETHREAD's ExitStatus is
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* 0. So do the conversion here:
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* -Gunnar */
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u.TBI.ExitStatus = (Thread->ExitStatus == 0) ? STATUS_PENDING : Thread->ExitStatus;
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u.TBI.TebBaseAddress = Thread->Tcb.Teb;
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u.TBI.ClientId = Thread->Cid;
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u.TBI.AffinityMask = Thread->Tcb.Affinity;
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u.TBI.Priority = Thread->Tcb.Priority;
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u.TBI.BasePriority = Thread->Tcb.BasePriority;
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break;
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}
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case ThreadTimes:
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{
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PKERNEL_USER_TIMES TTI;
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TTI = (PKERNEL_USER_TIMES)ThreadInformation;
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if (ThreadInformationLength != sizeof(KERNEL_USER_TIMES))
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{
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Status = STATUS_INFO_LENGTH_MISMATCH;
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break;
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}
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case ThreadTimes:
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u.TTI.KernelTime.QuadPart = Thread->Tcb.KernelTime * 100000LL;
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u.TTI.UserTime.QuadPart = Thread->Tcb.UserTime * 100000LL;
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u.TTI.CreateTime = (TIME) Thread->CreateTime;
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/*This works*/
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u.TTI.ExitTime = (TIME) Thread->ExitTime;
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break;
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TTI->KernelTime.QuadPart = Thread->Tcb.KernelTime * 100000LL;
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TTI->UserTime.QuadPart = Thread->Tcb.UserTime * 100000LL;
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TTI->CreateTime = (TIME) Thread->CreateTime;
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/*This works*/
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TTI->ExitTime = (TIME) Thread->ExitTime;
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Status = STATUS_SUCCESS;
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break;
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}
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case ThreadPriority:
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/* Can be set only */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
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case ThreadBasePriority:
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/* Can be set only */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
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case ThreadAffinityMask:
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/* Can be set only */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
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case ThreadQuerySetWin32StartAddress:
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u.Address = Thread->Win32StartAddress;
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break;
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case ThreadImpersonationToken:
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/* Can be set only */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
|
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|
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case ThreadDescriptorTableEntry:
|
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/* Nebbett says nothing about this */
|
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Status = STATUS_NOT_IMPLEMENTED;
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break;
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case ThreadPerformanceCount:
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/* Nebbett says this class is always zero */
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u.Count.QuadPart = 0;
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break;
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case ThreadEnableAlignmentFaultFixup:
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/* Can be set only */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
|
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|
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case ThreadEventPair:
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/* Can be set only */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
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|
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case ThreadQuerySetWin32StartAddress:
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if (ThreadInformationLength != sizeof(PVOID))
|
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{
|
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Status = STATUS_INFO_LENGTH_MISMATCH;
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break;
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}
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*((PVOID*)ThreadInformation) = Thread->Win32StartAddress;
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Status = STATUS_SUCCESS;
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break;
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case ThreadZeroTlsCell:
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/* Can only be set */
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Status = STATUS_INVALID_INFO_CLASS;
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break;
|
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|
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case ThreadPerformanceCount:
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||||
/* Nebbett says this class is always zero */
|
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if (ThreadInformationLength != sizeof(LARGE_INTEGER))
|
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{
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Status = STATUS_INFO_LENGTH_MISMATCH;
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break;
|
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}
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((PLARGE_INTEGER)ThreadInformation)->QuadPart = 0;
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Status = STATUS_SUCCESS;
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break;
|
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case ThreadAmILastThread:
|
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{
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if (ThreadInformationLength != sizeof(BOOLEAN))
|
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{
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Status = STATUS_INFO_LENGTH_MISMATCH;
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break;
|
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}
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if (Thread->ThreadsProcess->ThreadListHead.Flink->Flink ==
|
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case ThreadAmILastThread:
|
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if (Thread->ThreadsProcess->ThreadListHead.Flink->Flink ==
|
||||
&Thread->ThreadsProcess->ThreadListHead)
|
||||
{
|
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*((PBOOLEAN)ThreadInformation) = TRUE;
|
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u.Last = TRUE;
|
||||
}
|
||||
else
|
||||
else
|
||||
{
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*((PBOOLEAN)ThreadInformation) = FALSE;
|
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u.Last = FALSE;
|
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}
|
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Status = STATUS_SUCCESS;
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break;
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}
|
||||
|
||||
case ThreadIdealProcessor:
|
||||
/* Can only be set */
|
||||
Status = STATUS_INFO_LENGTH_MISMATCH;
|
||||
break;
|
||||
|
||||
case ThreadPriorityBoost:
|
||||
Status = STATUS_NOT_IMPLEMENTED;
|
||||
break;
|
||||
|
||||
case ThreadSetTlsArrayAddress:
|
||||
/* Can only be set */
|
||||
Status = STATUS_INVALID_INFO_CLASS;
|
||||
break;
|
||||
|
||||
case ThreadIsIoPending:
|
||||
Status = STATUS_NOT_IMPLEMENTED;
|
||||
break;
|
||||
|
||||
case ThreadHideFromDebugger:
|
||||
/* Can only be set */
|
||||
Status = STATUS_INVALID_INFO_CLASS;
|
||||
break;
|
||||
|
||||
default:
|
||||
Status = STATUS_INVALID_INFO_CLASS;
|
||||
break;
|
||||
default:
|
||||
/* Shoult never occure if the data table is correct */
|
||||
KEBUGCHECK(0);
|
||||
}
|
||||
if (QueryInformationData[ThreadInformationClass].Size)
|
||||
{
|
||||
Status = MmCopyToCaller(ThreadInformation,
|
||||
&u.TBI,
|
||||
QueryInformationData[ThreadInformationClass].Size);
|
||||
}
|
||||
if (ReturnLength)
|
||||
{
|
||||
NTSTATUS Status2;
|
||||
static ULONG Null = 0;
|
||||
Status2 = MmCopyToCaller(ReturnLength,
|
||||
NT_SUCCESS(Status) ? &QueryInformationData[ThreadInformationClass].Size : &Null,
|
||||
sizeof(ULONG));
|
||||
if (NT_SUCCESS(Status))
|
||||
{
|
||||
Status = Status2;
|
||||
}
|
||||
}
|
||||
|
||||
ObDereferenceObject(Thread);
|
||||
return(Status);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue