KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
NTSTATUS Status;
ULONG Length = 0;
+ HANDLE DebugPort = 0;
PPROCESS_BASIC_INFORMATION ProcessBasicInfo =
(PPROCESS_BASIC_INFORMATION)ProcessInformation;
PKERNEL_USER_TIMES ProcessTime = (PKERNEL_USER_TIMES)ProcessInformation;
PQUOTA_LIMITS QuotaLimits = (PQUOTA_LIMITS)ProcessInformation;
PROCESS_DEVICEMAP_INFORMATION DeviceMap;
PUNICODE_STRING ImageName;
- ULONG Cookie;
+ ULONG Cookie, ExecuteOptions = 0;
+ ULONG_PTR Wow64 = 0;
PAGED_CODE();
/* Check for user-mode caller */
break;
}
- /* Set the return length */
- Length = ProcessInformationLength;
-
/* Reference the process */
Status = ObReferenceObjectByHandle(ProcessHandle,
PROCESS_QUERY_INFORMATION,
VmCounters->PagefileUsage = Process->QuotaUsage[2] << PAGE_SHIFT;
VmCounters->PeakPagefileUsage = Process->QuotaPeak[2] << PAGE_SHIFT;
//VmCounters->PrivateUsage = Process->CommitCharge << PAGE_SHIFT;
+ //
+
+ /* Set the return length */
+ Length = ProcessInformationLength;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
break;
case ProcessDebugObjectHandle:
- DPRINT1("Debug Object Query Not implemented: %lx\n", ProcessInformationClass);
- Status = STATUS_NOT_IMPLEMENTED;
+
+ /* Set the return length */
+ Length = sizeof(HANDLE);
+ if (ProcessInformationLength != Length)
+ {
+ Status = STATUS_INFO_LENGTH_MISMATCH;
+ break;
+ }
+
+ /* Reference the process */
+ Status = ObReferenceObjectByHandle(ProcessHandle,
+ PROCESS_QUERY_INFORMATION,
+ PsProcessType,
+ PreviousMode,
+ (PVOID*)&Process,
+ NULL);
+ if (!NT_SUCCESS(Status)) break;
+
+ /* Get the debug port */
+ Status = DbgkOpenProcessDebugPort(Process, PreviousMode, &DebugPort);
+
+ /* Let go of the process */
+ ObDereferenceObject(Process);
+
+ /* Protect write in SEH */
+ _SEH2_TRY
+ {
+ /* Return the count of handles */
+ *(PHANDLE)ProcessInformation = DebugPort;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* Get the exception code */
+ Status = _SEH2_GetExceptionCode();
+ }
+ _SEH2_END;
break;
case ProcessHandleTracing:
break;
case ProcessLUIDDeviceMapsEnabled:
+
/* Set the return length */
Length = sizeof(ULONG);
if (ProcessInformationLength != Length)
_SEH2_END;
break;
- case ProcessExecuteFlags:
- DPRINT1("No execute Not implemented: %lx\n", ProcessInformationClass);
- Status = STATUS_NOT_IMPLEMENTED;
+ case ProcessWx86Information:
+
+ /* Set the return length */
+ Length = sizeof(ULONG);
+ if (ProcessInformationLength != Length)
+ {
+ Status = STATUS_INFO_LENGTH_MISMATCH;
+ break;
+ }
+
+ /* Indicate success */
+ Status = STATUS_SUCCESS;
+
+ /* Protect write in SEH */
+ _SEH2_TRY
+ {
+ /* Return if the flag is set */
+ *(PULONG)ProcessInformation = (ULONG)Process->VdmAllowed;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* Get the exception code */
+ Status = _SEH2_GetExceptionCode();
+ }
+ _SEH2_END;
break;
case ProcessWow64Information:
+
+ /* Set return length */
+ Length = sizeof(ULONG_PTR);
+ if (ProcessInformationLength != Length)
+ {
+ Status = STATUS_INFO_LENGTH_MISMATCH;
+ break;
+ }
+
+ /* Reference the process */
+ Status = ObReferenceObjectByHandle(ProcessHandle,
+ PROCESS_QUERY_INFORMATION,
+ PsProcessType,
+ PreviousMode,
+ (PVOID*)&Process,
+ NULL);
+ if (!NT_SUCCESS(Status)) break;
+
+ /* Make sure the process isn't dying */
+ if (ExAcquireRundownProtection(&Process->RundownProtect))
+ {
+ /* Get the WOW64 process structure */
+#ifdef _WIN64
+ Wow64 = Process->Wow64Process;
+#else
+ Wow64 = 0;
+#endif
+ /* Release the lock */
+ ExReleaseRundownProtection(&Process->RundownProtect);
+ }
+
+ /* Protect write with SEH */
+ _SEH2_TRY
+ {
+ /* Return whether or not we have a debug port */
+ *(PULONG_PTR)ProcessInformation = Wow64;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* Get exception code */
+ Status = _SEH2_GetExceptionCode();
+ }
+ _SEH2_END;
+
+ /* Dereference the process */
+ ObDereferenceObject(Process);
+ break;
+
+ case ProcessExecuteFlags:
+
+ /* Set return length */
+ Length = sizeof(ULONG);
+ if (ProcessInformationLength != Length)
+ {
+ Status = STATUS_INFO_LENGTH_MISMATCH;
+ break;
+ }
+
+ if (ProcessHandle != NtCurrentProcess())
+ {
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ /* Get the options */
+ Status = MmGetExecuteOptions(&ExecuteOptions);
+ if (NT_SUCCESS(Status))
+ {
+ /* Protect write with SEH */
+ _SEH2_TRY
+ {
+ /* Return them */
+ *(PULONG)ProcessInformation = ExecuteOptions;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* Get exception code */
+ Status = _SEH2_GetExceptionCode();
+ }
+ _SEH2_END;
+ }
+ break;
+
case ProcessLdtInformation:
- case ProcessWx86Information:
- DPRINT1("VDM/16-bit implemented: %lx\n", ProcessInformationClass);
+ DPRINT1("VDM/16-bit not implemented: %lx\n", ProcessInformationClass);
Status = STATUS_NOT_IMPLEMENTED;
break;
_SEH2_TRY
{
/* Check if caller wanted return length */
- if (ReturnLength) *ReturnLength = Length;
+ if ((ReturnLength) && (Length)) *ReturnLength = Length;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
KAFFINITY ValidAffinity, Affinity = 0;
ULONG DefaultHardErrorMode = 0, BasePriority = 0, MemoryPriority = 0;
ULONG DisableBoost = 0, DebugFlags = 0, EnableFixup = 0, Boost = 0;
- ULONG NoExecute = 0;
+ ULONG NoExecute = 0, VdmPower = 0;
BOOLEAN HasPrivilege;
PLIST_ENTRY Next;
PETHREAD Thread;
/* Check what kind of information class this is */
switch (ProcessInformationClass)
{
+ case ProcessWx86Information:
+
+ /* Check buffer length */
+ if (ProcessInformationLength != sizeof(HANDLE))
+ {
+ Status = STATUS_INFO_LENGTH_MISMATCH;
+ break;
+ }
+
+ /* Use SEH for capture */
+ _SEH2_TRY
+ {
+ /* Capture the boolean */
+ VdmPower = *(PULONG)ProcessInformation;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* Get the exception code */
+ Status = _SEH2_GetExceptionCode();
+ _SEH2_YIELD(break);
+ }
+ _SEH2_END;
+
+ /* Getting VDM powers requires the SeTcbPrivilege */
+ if (!SeSinglePrivilegeCheck(SeTcbPrivilege, PreviousMode))
+ {
+ /* Bail out */
+ Status = STATUS_PRIVILEGE_NOT_HELD;
+ DPRINT1("Need TCB privilege\n");
+ break;
+ }
+
+ /* Set or clear the flag */
+ if (VdmPower)
+ {
+ PspSetProcessFlag(Process, PSF_VDM_ALLOWED_BIT);
+ }
+ else
+ {
+ PspClearProcessFlag(Process, PSF_VDM_ALLOWED_BIT);
+ }
+ break;
+
/* Error/Exception Port */
case ProcessExceptionPort:
case ProcessLdtInformation:
case ProcessLdtSize:
case ProcessIoPortHandlers:
- case ProcessWx86Information:
DPRINT1("VDM/16-bit Request not implemented: %lx\n", ProcessInformationClass);
Status = STATUS_NOT_IMPLEMENTED;
break;
projects / reactos.git / blobdiff