一份很不错的ARP防火墙源码

一个不错的ARP防火墙源代码,包括Ring3控制程序和核心驱动源代码

#include “precomp.h“
#pragma hdrstop

#define				MAX_NOTIFY_PACKET			512

NOTIFY_PACKET*		g_PacketListHead			= NULL;

NOTIFY_PACKET*		g_PacketListTail			= NULL;

NOTIFY_PACKET*		g_PacketArray				= NULL;

NOTIFY_PACKET*		g_FreePacketList			= NULL;

NTSTATUS
InitPacketList（）
{
	UINT i;

	g_PacketListHead = g_PacketListTail = NULL;

	g_PacketArray = （NOTIFY_PACKET*）ExAllocatePoolWithTag（NonPagedPoolMAX_NOTIFY_PACKET*sizeof（NOTIFY_PACKET）TAG）;

	if（!g_PacketArray）
		return STATUS_UNSUCCESSFUL;

	RtlZeroMemory（g_PacketArrayMAX_NOTIFY_PACKET*sizeof（NOTIFY_PACKET））;

	for（ i = 0; i< MAX_NOTIFY_PACKET; i++ ）
	{
		g_PacketArray[i].Next = g_FreePacketList;
		g_FreePacketList	  = &g_PacketArray[i];
	}

	return STATUS_SUCCESS;
}

VOID
UnInitPacketList（）
{

	g_PacketListHead = g_PacketListTail = g_FreePacketList = NULL;

	ExFreePool（g_PacketArray）;

	g_PacketArray = NULL;

}


VOID
AddPacketToListTail（NOTIFY_PACKET*	pPacket）
{
	if（pPacket == NULL） return;

	NdisAcquireSpinLock（&GlobalLock）;

	if（g_PacketListHead）
	{
		pPacket->Next			= NULL;	   // Tail->Next = NULL;
		g_PacketListTail->Next	= pPacket; // Old->Next  = New;
		g_PacketListTail		= pPacket; // Tail       = New;
	}
	else
	{
		pPacket->Next		= NULL;		   // Tail->Next = NULL;
		g_PacketListTail	= pPacket;	   // Tail  = New;
		g_PacketListHead	= pPacket;	   // Head  = New;
	}

	NdisReleaseSpinLock（&GlobalLock）;

}


NOTIFY_PACKET*
GetPacketFromListHead（）
{

	NOTIFY_PACKET*	pPacket= NULL;

	NdisAcquireSpinLock（&GlobalLock）;

	if（g_PacketListHead）
	{
		pPacket				= g_PacketListHead;
		g_PacketListHead	= pPacket->Next;
	}
	else
	{
		pPacket			= NULL;
	}

	NdisReleaseSpinLock（&GlobalLock）;

	return pPacket;
}


VOID
FreePacket（NOTIFY_PACKET* pPacket）
{
	NdisAcquireSpinLock（&GlobalLock）;

	if（pPacket）
	{
		pPacket->Next		= g_FreePacketList;
		g_FreePacketList	= pPacket;
	}

	NdisReleaseSpinLock（&GlobalLock）;

}


NOTIFY_PACKET*
AllocatePacket（）
{
	NOTIFY_PACKET*	Packet = NULL;

	NdisAcquireSpinLock（&GlobalLock）;

	if（g_FreePacketList ）
	{
		Packet				= g_FreePacketList;
		g_FreePacketList	= Packet->Next;
	}

	NdisReleaseSpinLock（&GlobalLock）;

	return Packet;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    .......       938  2009-04-23 11:38  arpwall\Debug\MPWONARP.inf

    .......      1906  2009-04-23 11:38  arpwall\Debug\PTWONARP.inf

    .......      2464  2009-04-23 11:38  arpwall\Debug\WonArp6.inf

    .......       938  2009-04-23 11:38  arpwall\Release\MPWONARP.inf

    .......      1906  2009-04-23 11:38  arpwall\Release\PTWONARP.inf

    .......      2464  2009-04-23 11:38  arpwall\Release\WonArp6.inf

    .......      3101  2009-04-23 11:38  arpwall\setup\WonArp.iss

    .......      2687  2009-04-23 11:38  arpwall\Share\ShareStruct.h

    .......      2277  2009-04-23 11:38  arpwall\WonArp5\DoubleList.c

    .......       341  2009-04-23 11:38  arpwall\WonArp5\DoubleList.h

    .......      2214  2009-04-23 11:38  arpwall\WonArp5\GatewayCheck.c

    .......       497  2009-04-23 11:38  arpwall\WonArp5\GatewayCheck.h

    .......     13359  2009-04-23 11:38  arpwall\WonArp5\IoCtrl.c

    .......       248  2009-04-23 11:38  arpwall\WonArp5\makefile

    .......     15803  2009-04-23 11:38  arpwall\WonArp5\miniport4.c

    .......      3298  2009-04-23 11:38  arpwall\WonArp5\Miniport4.h

    .......     23019  2009-04-23 11:38  arpwall\WonArp5\miniport51.c

    .......      3337  2009-04-23 11:38  arpwall\WonArp5\Miniport51.h

    .......       938  2009-04-23 11:38  arpwall\WonArp5\MPWONARP.inf

    .......     20712  2009-04-23 11:38  arpwall\WonArp5\Packet.c

    .......      1763  2009-04-23 11:38  arpwall\WonArp5\Packet.h

    .......      2014  2009-04-23 11:38  arpwall\WonArp5\precomp.h

    .......     24107  2009-04-23 11:38  arpwall\WonArp5\protocol4.c

    .......      3876  2009-04-23 11:38  arpwall\WonArp5\Protocol4.h

    .......     22188  2009-04-23 11:38  arpwall\WonArp5\protocol5.c

    .......      3686  2009-04-23 11:38  arpwall\WonArp5\Protocol5.h

    .......      1906  2009-04-23 11:38  arpwall\WonArp5\PTWONARP.inf

    .......     17040  2009-04-23 11:38  arpwall\WonArp5\SendRecv4.c

    .......     21576  2009-04-23 11:38  arpwall\WonArp5\SendRecv5.c

    .......      2173  2009-04-23 11:38  arpwall\WonArp5\Share.h

............此处省略135个文件信息