pofuncs.h File Reference

#include <umtypes.h>

Include dependency graph for pofuncs.h:

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Functions
NTSYSCALLAPI NTSTATUS NTAPI	NtInitiatePowerAction (_In_ POWER_ACTION SystemAction, _In_ SYSTEM_POWER_STATE MinSystemState, _In_ ULONG Flags, _In_ BOOLEAN Asynchronous)
NTSYSCALLAPI NTSTATUS NTAPI	NtPowerInformation (_In_ POWER_INFORMATION_LEVEL PowerInformationLevel, _In_bytecount_(InputBufferLength) PVOID InputBuffer, _In_ ULONG InputBufferLength, _Out_bytecap_(OutputBufferLength) PVOID OutputBuffer, _In_ ULONG OutputBufferLength)
NTSYSCALLAPI NTSTATUS NTAPI	NtSetSystemPowerState (_In_ POWER_ACTION SystemAction, _In_ SYSTEM_POWER_STATE MinSystemState, _In_ ULONG Flags)
NTSYSCALLAPI NTSTATUS NTAPI	NtGetDevicePowerState (_In_ HANDLE Device, _In_ PDEVICE_POWER_STATE PowerState)
NTSYSCALLAPI NTSTATUS NTAPI	NtRequestWakeupLatency (_In_ LATENCY_TIME latency)
NTSYSCALLAPI BOOLEAN NTAPI	NtIsSystemResumeAutomatic (VOID)
NTSYSCALLAPI NTSTATUS NTAPI	NtSetThreadExecutionState (_In_ EXECUTION_STATE esFlags, _Out_ EXECUTION_STATE *PreviousFlags)
NTSYSCALLAPI NTSTATUS NTAPI	NtRequestDeviceWakeup (_In_ HANDLE Device)
NTSYSCALLAPI NTSTATUS NTAPI	NtCancelDeviceWakeupRequest (_In_ HANDLE Device)
NTSYSAPI NTSTATUS NTAPI	ZwInitiatePowerAction (_In_ POWER_ACTION SystemAction, _In_ SYSTEM_POWER_STATE MinSystemState, _In_ ULONG Flags, _In_ BOOLEAN Asynchronous)
	_IRQL_requires_max_ (PASSIVE_LEVEL) NTSYSAPI NTSTATUS NTAPI ZwPowerInformation(_In_ POWER_INFORMATION_LEVEL InformationLevel
	_In_reads_bytes_opt_ (InputBufferLength) PVOID InputBuffer
_In_ ULONG	_Out_writes_bytes_opt_ (OutputBufferLength) PVOID OutputBuffer
NTSYSCALLAPI NTSTATUS NTAPI	ZwSetSystemPowerState (_In_ POWER_ACTION SystemAction, _In_ SYSTEM_POWER_STATE MinSystemState, _In_ ULONG Flags)

Variables
_In_ ULONG	InputBufferLength
_In_ ULONG _In_ ULONG	OutputBufferLength

Function Documentation

_In_reads_bytes_opt_()

_In_reads_bytes_opt_

(

InputBufferLength

)

_IRQL_requires_max_()

_IRQL_requires_max_

(

PASSIVE_LEVEL

)

Definition at line 64 of file Messaging.c.

{
    PFLT_SERVER_PORT_OBJECT PortObject;
    NTSTATUS Status;

    /* The caller must allow at least one connection */
    if (MaxConnections == 0)
    {
        return STATUS_INVALID_PARAMETER;
    }

    /* The request must be for a kernel handle */
    if (!(ObjectAttributes->Attributes & OBJ_KERNEL_HANDLE))
    {
        return STATUS_INVALID_PARAMETER;
    }

    /*
     * Get rundown protection on the target to stop the owner
     * from unloading whilst this port object is open. It gets
     * removed in the FltpServerPortClose callback
     */
    Status = FltObjectReference(Filter);
    if (!NT_SUCCESS(Status))
    {
        return Status;
    }

    /* Create the server port object for this filter */
    Status = ObCreateObject(KernelMode,
                            ServerPortObjectType,
                            ObjectAttributes,
                            KernelMode,
                            NULL,
                            sizeof(FLT_SERVER_PORT_OBJECT),
                            0,
                            0,
                            (PVOID *)&PortObject);
    if (NT_SUCCESS(Status))
    {
        /* Zero out the struct */
        RtlZeroMemory(PortObject, sizeof(FLT_SERVER_PORT_OBJECT));

        /* Increment the ref count on the target filter */
        FltpObjectPointerReference((PFLT_OBJECT)Filter);

        /* Setup the filter port object */
        PortObject->Filter = Filter;
        PortObject->ConnectNotify = ConnectNotifyCallback;
        PortObject->DisconnectNotify = DisconnectNotifyCallback;
        PortObject->MessageNotify = MessageNotifyCallback;
        PortObject->Cookie = ServerPortCookie;
        PortObject->MaxConnections = MaxConnections;

        /* Insert the object */
        Status = ObInsertObject(PortObject,
                                NULL,
                                STANDARD_RIGHTS_ALL | FILE_READ_DATA,
                                0,
                                NULL,
                                (PHANDLE)ServerPort);
        if (NT_SUCCESS(Status))
        {
            /* Lock the connection list */
            ExAcquireFastMutex(&Filter->ConnectionList.mLock);

            /* Add the new port object to the connection list and increment the count */
            InsertTailList(&Filter->ConnectionList.mList, &PortObject->FilterLink);
            Filter->ConnectionList.mCount++;

            /* Unlock the connection list*/
            ExReleaseFastMutex(&Filter->ConnectionList.mLock);
        }
    }

    if (!NT_SUCCESS(Status))
    {
        /* Allow the filter to be cleaned up */
        FltObjectDereference(Filter);
    }

    return Status;
}

_Out_writes_bytes_opt_()

_In_ ULONG _Out_writes_bytes_opt_

(

OutputBufferLength

)

NtCancelDeviceWakeupRequest()

NTSYSCALLAPI NTSTATUS NTAPI NtCancelDeviceWakeupRequest

(

_In_ HANDLE

Device

)

NtGetDevicePowerState()

NTSYSCALLAPI NTSTATUS NTAPI NtGetDevicePowerState	(	_In_ HANDLE	Device,
		_In_ PDEVICE_POWER_STATE	PowerState
	)

NtInitiatePowerAction()

NTSYSCALLAPI NTSTATUS NTAPI NtInitiatePowerAction	(	_In_ POWER_ACTION	SystemAction,
		_In_ SYSTEM_POWER_STATE	MinSystemState,
		_In_ ULONG	Flags,
		_In_ BOOLEAN	Asynchronous
	)

NtIsSystemResumeAutomatic()

NTSYSCALLAPI BOOLEAN NTAPI NtIsSystemResumeAutomatic

(

VOID

)

Definition at line 795 of file power.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

Referenced by IsSystemResumeAutomatic().

NtPowerInformation()

NTSYSCALLAPI NTSTATUS NTAPI NtPowerInformation	(	_In_ POWER_INFORMATION_LEVEL	PowerInformationLevel,
		_In_bytecount_(InputBufferLength) PVOID	InputBuffer,
		_In_ ULONG	InputBufferLength,
		_Out_bytecap_(OutputBufferLength) PVOID	OutputBuffer,
		_In_ ULONG	OutputBufferLength
	)

NtRequestDeviceWakeup()

NTSYSCALLAPI NTSTATUS NTAPI NtRequestDeviceWakeup

(

_In_ HANDLE

Device

)

NtRequestWakeupLatency()

NTSYSCALLAPI NTSTATUS NTAPI NtRequestWakeupLatency

(

_In_ LATENCY_TIME

latency

)

NtSetSystemPowerState()

NTSYSCALLAPI NTSTATUS NTAPI NtSetSystemPowerState	(	_In_ POWER_ACTION	SystemAction,
		_In_ SYSTEM_POWER_STATE	MinSystemState,
		_In_ ULONG	Flags
	)

NtSetThreadExecutionState()

NTSYSCALLAPI NTSTATUS NTAPI NtSetThreadExecutionState	(	_In_ EXECUTION_STATE	esFlags,
		_Out_ EXECUTION_STATE *	PreviousFlags
	)

ZwInitiatePowerAction()

NTSYSAPI NTSTATUS NTAPI ZwInitiatePowerAction	(	_In_ POWER_ACTION	SystemAction,
		_In_ SYSTEM_POWER_STATE	MinSystemState,
		_In_ ULONG	Flags,
		_In_ BOOLEAN	Asynchronous
	)

ZwSetSystemPowerState()

NTSYSCALLAPI NTSTATUS NTAPI ZwSetSystemPowerState	(	_In_ POWER_ACTION	SystemAction,
		_In_ SYSTEM_POWER_STATE	MinSystemState,
		_In_ ULONG	Flags
	)

Referenced by NtSetSystemPowerState().

Variable Documentation

InputBufferLength

_In_ ULONG InputBufferLength

Definition at line 131 of file pofuncs.h.

OutputBufferLength

_In_ ULONG _In_ ULONG OutputBufferLength

Definition at line 134 of file pofuncs.h.