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[NTOS:PS] NtQueryInformationProcess: Move process information-specific variables to their own scope

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This commit is contained in:
Thamatip Chitpong 2024-12-09 23:56:53 +07:00
parent b1f27287ae
commit bf0dbdbd19
1 changed files with 45 additions and 17 deletions
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62
ntoskrnl/ps/query.c
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@ -67,23 +67,7 @@ NtQueryInformationProcess(
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;
ULONG UserTime, KernelTime;
PPROCESS_PRIORITY_CLASS PsPriorityClass = (PPROCESS_PRIORITY_CLASS)ProcessInformation;
ULONG HandleCount;
PPROCESS_SESSION_INFORMATION SessionInfo =
(PPROCESS_SESSION_INFORMATION)ProcessInformation;
PVM_COUNTERS VmCounters = (PVM_COUNTERS)ProcessInformation;
PIO_COUNTERS IoCounters = (PIO_COUNTERS)ProcessInformation;
PQUOTA_LIMITS QuotaLimits = (PQUOTA_LIMITS)ProcessInformation;
PUNICODE_STRING ImageName;
ULONG Cookie, ExecuteOptions = 0;
ULONG_PTR Wow64 = 0;
PROCESS_VALUES ProcessValues;
ULONG Flags;
PAGED_CODE();
/* Verify Information Class validity */
@ -119,6 +103,8 @@ NtQueryInformationProcess(
{
/* Basic process information */
case ProcessBasicInformation:
{
PPROCESS_BASIC_INFORMATION ProcessBasicInfo = (PPROCESS_BASIC_INFORMATION)ProcessInformation;
if (ProcessInformationLength != sizeof(PROCESS_BASIC_INFORMATION))
{
@ -162,9 +148,12 @@ NtQueryInformationProcess(
/* Dereference the process */
ObDereferenceObject(Process);
break;
}
/* Process quota limits */
case ProcessQuotaLimits:
{
PQUOTA_LIMITS QuotaLimits = (PQUOTA_LIMITS)ProcessInformation;
if (ProcessInformationLength != sizeof(QUOTA_LIMITS))
{
@ -227,8 +216,12 @@ NtQueryInformationProcess(
/* Dereference the process */
ObDereferenceObject(Process);
break;
}
case ProcessIoCounters:
{
PIO_COUNTERS IoCounters = (PIO_COUNTERS)ProcessInformation;
PROCESS_VALUES ProcessValues;
if (ProcessInformationLength != sizeof(IO_COUNTERS))
{
@ -266,9 +259,13 @@ NtQueryInformationProcess(
/* Dereference the process */
ObDereferenceObject(Process);
break;
}
/* Timing */
case ProcessTimes:
{
PKERNEL_USER_TIMES ProcessTime = (PKERNEL_USER_TIMES)ProcessInformation;
ULONG UserTime, KernelTime;
/* Set the return length */
if (ProcessInformationLength != sizeof(KERNEL_USER_TIMES))
@ -308,6 +305,7 @@ NtQueryInformationProcess(
/* Dereference the process */
ObDereferenceObject(Process);
break;
}
/* Process Debug Port */
case ProcessDebugPort:
@ -349,6 +347,8 @@ NtQueryInformationProcess(
break;
case ProcessHandleCount:
{
ULONG HandleCount;
if (ProcessInformationLength != sizeof(ULONG))
{
@ -387,9 +387,12 @@ NtQueryInformationProcess(
/* Dereference the process */
ObDereferenceObject(Process);
break;
}
/* Session ID for the process */
case ProcessSessionInformation:
{
PPROCESS_SESSION_INFORMATION SessionInfo = (PPROCESS_SESSION_INFORMATION)ProcessInformation;
if (ProcessInformationLength != sizeof(PROCESS_SESSION_INFORMATION))
{
@ -425,9 +428,12 @@ NtQueryInformationProcess(
/* Dereference the process */
ObDereferenceObject(Process);
break;
}
/* Virtual Memory Statistics */
case ProcessVmCounters:
{
PVM_COUNTERS VmCounters = (PVM_COUNTERS)ProcessInformation;
/* Validate the input length */
if ((ProcessInformationLength != sizeof(VM_COUNTERS)) &&
@ -477,6 +483,7 @@ NtQueryInformationProcess(
/* Dereference the process */
ObDereferenceObject(Process);
break;
}
/* Hard Error Processing Mode */
case ProcessDefaultHardErrorMode:
@ -558,6 +565,8 @@ NtQueryInformationProcess(
/* DOS Device Map */
case ProcessDeviceMap:
{
ULONG Flags;
if (ProcessInformationLength == sizeof(PROCESS_DEVICEMAP_INFORMATION_EX))
{
@ -617,9 +626,12 @@ NtQueryInformationProcess(
/* Dereference the process */
ObDereferenceObject(Process);
break;
}
/* Priority class */
case ProcessPriorityClass:
{
PPROCESS_PRIORITY_CLASS PsPriorityClass = (PPROCESS_PRIORITY_CLASS)ProcessInformation;
if (ProcessInformationLength != sizeof(PROCESS_PRIORITY_CLASS))
{
@ -656,8 +668,11 @@ NtQueryInformationProcess(
/* Dereference the process */
ObDereferenceObject(Process);
break;
}
case ProcessImageFileName:
{
PUNICODE_STRING ImageName;
/* Reference the process */
Status = ObReferenceObjectByHandle(ProcessHandle,
@ -710,6 +725,7 @@ NtQueryInformationProcess(
/* Dereference the process */
ObDereferenceObject(Process);
break;
}
case ProcessDebugFlags:
@ -787,6 +803,8 @@ NtQueryInformationProcess(
/* Per-process security cookie */
case ProcessCookie:
{
ULONG Cookie;
if (ProcessInformationLength != sizeof(ULONG))
{
@ -836,6 +854,7 @@ NtQueryInformationProcess(
}
_SEH2_END;
break;
}
case ProcessImageInformation:
@ -866,6 +885,8 @@ NtQueryInformationProcess(
break;
case ProcessDebugObjectHandle:
{
HANDLE DebugPort = 0;
if (ProcessInformationLength != sizeof(HANDLE))
{
@ -904,6 +925,7 @@ NtQueryInformationProcess(
}
_SEH2_END;
break;
}
case ProcessHandleTracing:
DPRINT1("Handle tracing Not implemented: %lx\n", ProcessInformationClass);
@ -976,6 +998,8 @@ NtQueryInformationProcess(
break;
case ProcessWow64Information:
{
ULONG_PTR Wow64 = 0;
if (ProcessInformationLength != sizeof(ULONG_PTR))
{
@ -1024,8 +1048,11 @@ NtQueryInformationProcess(
/* Dereference the process */
ObDereferenceObject(Process);
break;
}
case ProcessExecuteFlags:
{
ULONG ExecuteOptions = 0;
if (ProcessInformationLength != sizeof(ULONG))
{
@ -1059,6 +1086,7 @@ NtQueryInformationProcess(
_SEH2_END;
}
break;
}
case ProcessLdtInformation:
DPRINT1("VDM/16-bit not implemented: %lx\n", ProcessInformationClass);