/*

??DrvFltIp.C

??Author:?your?name
??Last?Updated:?2001-01-01/0101

??This?framework?is?generated?by?QuickSYS.

*/

#include?
#include?
#include?
#include?
#include?
#include?“DrvFltIp.h“

#if?DBG
#define?dprintf?DbgPrint
#else
#define?dprintf（x）
#endif

NTSTATUS?DrvDispatch（IN?PDEVICE_object?Deviceobject?IN?PIRP?Irp）;
VOID?DrvUnload（IN?PDRIVER_object?Driverobject）;

NTSTATUS?SetFilterFunction（PacketFilterExtensionPtr?filterFunction）;

NTSTATUS?AddFilterToList（IPFilter?*pf）;

void?ClearFilterList（void）;

PF_FORWARD_ACTION?cbFilterFunction（IN?unsigned?char?*PacketHeaderIN?unsigned?char?*Packet?IN?unsigned?int?PacketLength?IN?unsigned?int?RecvInterfaceIndex?IN?unsigned?int?SendInterfaceIndex?IN?unsigned?long?RecvlinkNextHop?IN?unsigned?long?SendlinkNextHop）;

#define?NT_DEVICE_NAME?L“\\Device\\DrvFltIp“
#define?DOS_DEVICE_NAME?L“\\DosDevices\\DrvFltIp“


struct?filterList?*first?=?NULL;
struct?filterList?*last?=?NULL;

/*++

Routine?Description:

????Installable?driver?initialization?entry?point.
????This?entry?point?is?called?directly?by?the?I/O?system.

Arguments:

????Driverobject?-?pointer?to?the?driver?object

????RegistryPath?-?pointer?to?a?unicode?string?representing?the?path
???????????????????to?driver-specific?key?in?the?registry

Return?Value:

????STATUS_SUCCESS?if?successful
????STATUS_UNSUCCESSFUL?otherwise

--*/
NTSTATUS?DriverEntry（IN?PDRIVER_object?Driverobject?IN?PUNICODE_STRING?RegistryPath）
{

????PDEVICE_object?????????deviceobject?=?NULL;
????NTSTATUS???????????????ntStatus;
????UNICODE_STRING?????????deviceNameUnicodeString;
????UNICODE_STRING?????????devicelinkUnicodeString;
	
	dprintf（“DrvFltIp.SYS:?entering?DriverEntry\n“）;


	//we?have?to?create?the?device
	RtlInitUnicodeString（&deviceNameUnicodeString?NT_DEVICE_NAME）;

	ntStatus?=?IoCreateDevice（Driverobject?
								0
								&deviceNameUnicodeString?
								FILE_DEVICE_DRVFLTIP
								0
								FALSE
								&deviceobject）;


????if?（?NT_SUCCESS（ntStatus）?）
????{
????
????????//?Create?a?symbolic?link?that?Win32?apps?can?specify?to?gain?access
????????//?to?this?driver/device
????????RtlInitUnicodeString（&devicelinkUnicodeString?DOS_DEVICE_NAME）;

????????ntStatus?=?IoCreateSymboliclink（&devicelinkUnicodeString?&deviceNameUnicodeString）;

????????if?（?!NT_SUCCESS（ntStatus）?）
????????{
????????????dprintf（“DrvFltIp.SYS:?IoCreateSymboliclink?failed\n“）;
????????}

????????//
????????//?Create?dispatch?points?for?device?control?create?close.
????????//

????????Driverobject->MajorFunction[IRP_MJ_CREATE]?????????=
????????Driverobject->MajorFunction[IRP_MJ_CLOSE]??????????=
????????Driverobject->MajorFunction[IRP_MJ_DEVICE_CONTROL]?=?DrvDispatch;
????????Driverobject->DriverUnload?????????????????????????=?DrvUnload;
????}

????if?（?!NT_SUCCESS（ntStatus）?）
????{
????????dprintf（“Error?in?in

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????4519746??2008-05-29?18:26??Fire?Wall?2.4.rar

?????文件??????14058??2008-05-29?02:08??DrvFltIp2\DrvFltIp.c

?????文件???????4823??2008-05-28?22:29??DrvFltIp2\DrvFltIp.dsp

?????文件????????313??2008-05-28?22:29??DrvFltIp2\DrvFltIp.dsw

?????文件???????2894??2008-05-28?22:30??DrvFltIp2\DrvFltIp.h

?????文件??????50176??2008-06-05?17:40??DrvFltIp2\DrvFltIp.ncb

?????文件??????53760??2008-06-05?17:40??DrvFltIp2\DrvFltIp.opt

?????文件????????271??2000-07-26?18:37??DrvFltIp2\makefile

?????文件????????987??2008-05-28?22:29??DrvFltIp2\readme.txt

?????文件?????????79??2002-12-21?00:47??DrvFltIp2\sources

?????目錄??????????0??2008-05-31?00:00??DrvFltIp2\Debug

?????目錄??????????0??2008-06-05?17:40??DrvFltIp2

-----------?---------??----------?-----??----

??????????????4647107????????????????????12