///////////////////////////////////////////////////////////////////////
//?Copyright?（c）?2001-2002
//?XStudio?Technology?All?Right?Reserved.
//?Author:?Tony?Zhu
//?2001-7-16?Create
//?summary:
//			This?Program?to?demo?the?Intermediate?TDI?Driver.
//			This?is?main?file.?It?include:
//			1.?initialize?function	:?DriverEntry
//			2.?Unload?function		:?PacketUnload
//			3.?Dispatch?function	:?PacketDispatch
///////////////////////////////////////////////////////////////////////

#include?
#include?
#include?
#include?“packet.h“

NTSTATUS
DriverEntry（
	IN	PDRIVER_object		Driverobject
	IN	PUNICODE_STRING		RegistryPath
）
{
	NTSTATUS	status	=?0;
????ULONG		i;

	DBGPRINT（“DriverEntry?Loading...\n“）;
	Driverobject->DriverUnload?=?PacketUnload;

????for?（i=0;?i?<=?IRP_MJ_MAXIMUM_FUNCTION;?i++）
????{
		Driverobject->MajorFunction[i]?=?PacketDispatch;
????}

	status?=?TCPFilter_Attach（DriverobjectRegistryPath）;

	return?status;
}

VOID?
PacketUnload（
	IN?PDRIVER_object		Driverobject
）
{
????PDEVICE_object			Deviceobject;
????PDEVICE_object			OldDeviceobject;
	PTDIH_DeviceExtension	pTDIH_DeviceExtension;	

?	DBGPRINT（“DriverEntry?unLoading...\n“）;

	Deviceobject?=?Driverobject->Deviceobject;

???while?（Deviceobject?!=?NULL）?
	{
????????OldDeviceobject?=?Deviceobject;
		pTDIH_DeviceExtension	
			=?（PTDIH_DeviceExtension?）Deviceobject->DeviceExtension;
		if（?pTDIH_DeviceExtension->NodeType?
			==?TDIH_NODE_TYPE_TCP_FILTER_DEVICE?）
			TCPFilter_Detach（?Deviceobject?）;???//?Calls?IoDeleteDevice
		else
			IoDeleteDevice（OldDeviceobject）;
????????Deviceobject?=?Deviceobject->NextDevice;
????}
}

NTSTATUS
PacketDispatch（
????IN?PDEVICE_object		Deviceobject
????IN?PIRP					Irp
）
{
	NTSTATUS				RC?=?STATUS_SUCCESS;
	PTDIH_DeviceExtension	pTDIH_DeviceExtension;
	PIO_STACK_LOCATION		IrpStack;
	PIO_STACK_LOCATION		NextIrpStack;

	pTDIH_DeviceExtension	
		=?（PTDIH_DeviceExtension?）（Deviceobject->DeviceExtension）;

	IrpStack?=?IoGetCurrentIrpStackLocation（Irp）;

	switch（IrpStack->MajorFunction）
	{
	case?IRP_MJ_CREATE:
	?	DBGPRINT（“PacketDispatch（IRP_MJ_CREATE）...\n“）;
		break;
	case?IRP_MJ_CLOSE:
	?	DBGPRINT（“PacketDispatch（IRP_MJ_CLOSE）...\n“）;
		break;
	case?IRP_MJ_CLEANUP:
	?	DBGPRINT（“PacketDispatch（IRP_MJ_CLEANUP）...\n“）;
		break;
	case?IRP_MJ_INTERNAL_DEVICE_CONTROL:
		switch?（IrpStack->MinorFunction）?
		{
		case?TDI_ACCEPT:
		?	DBGPRINT（“PacketDispatch（IRP_MJ_INTERNAL_DEVICE_CONTROL\
				[TDI_ACCEPT]）...\n“）;
			break;
		case?TDI_ACTION:
		?	DBGPRINT（“PacketDispatch（IRP_MJ_INTERNAL_DEVICE_CONTROL\
				[TDI_ACTION]）...\n“）;
			break;
		case?TDI_ASSOCIATE_ADDRESS:
		?	DBGPRINT（“PacketDispatch（IRP_MJ_INTERNAL_DEVICE_CONTROL\
				[TDI_ASSOCIATE_ADDRESS]）...\n“）;
			break;
		case?TDI_DISASSOCIATE_ADDRESS:
		?	DBGPRINT（“PacketDispatch（IRP_MJ_INTERNAL_DEVICE_CONTROL\
				[TDI_DISASSOCIATE_ADDRESS]）...\n“）;
			break;
		case?TDI_CON