dumppacket.cpp

DES算法及其在VC++6.0下的实现,编译时需要WinPcap开发包,您可以从http://www.vckbase.com/tools下载 WinPcap Developer s pack

/////////////////// DumpPacket() ///////////////////////////////

#include "stdafx.h"
#include <windows.h>

#define	SNAP_PKT_TYPE 0xaaaa
#define ARP_PKT_TYPE  0x0806
#define IP_PKT_TYPE   0x0800
#define UDP_PKT_TYPE  17
#define TCP_PKT_TYPE  6
#define ICMP_PKT_TYPE 1


char	szProtocolName[80];
char	buffer[256];

void OutPut(char *ptr)
{
	printf("%s",ptr);
}



int	EtherHeader(char far* lpFrameBuffer,int Pointer,int FrameLength,FILE *OutFp,int *EtherType) 
{
	int  Etype;

	OutPut("\n#=== ETHERNET HEADER");
	sprintf(buffer,"\nETH: DST ADDR = [%02x:%02x:%02x:%02x:%02x:%02x]",
			(unsigned int) lpFrameBuffer[Pointer] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+1] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+2] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+3] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+4] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+5] & 0x00ff);
	OutPut(buffer);
	sprintf(buffer,"\nETH: SRC ADDR = [%02x:%02x:%02x:%02x:%02x:%02x]",
			(unsigned int) lpFrameBuffer[Pointer+6] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+7] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+8] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+9] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+10] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+11] & 0x00ff);
	OutPut(buffer);
	Etype  = 
			(unsigned int) lpFrameBuffer[Pointer+12] & 0x00ff;
	Etype<<=8;

	Etype|=((unsigned int) lpFrameBuffer[Pointer+13] & 0x00ff);

	if( Etype < 1514 )  {
		sprintf(buffer,"\nETH: Length = [%04d]",Etype);
		OutPut(buffer);
		Etype = SNAP_PKT_TYPE;
	} else {
		sprintf(buffer,"\nETH: TYPE = [%02x%02x]",
				(unsigned int) lpFrameBuffer[Pointer+12] & 0x00ff,
				(unsigned int) lpFrameBuffer[Pointer+13] & 0x00ff
			);
		OutPut(buffer);
	}
	*EtherType = Etype;

	return(Pointer +14 ) ;
}

int	SNAPHeader(char far *lpFrameBuffer,int Pointer,int FrameLength,FILE *OutFp,int *EtherType)
{
	unsigned int	DSap = (unsigned int)lpFrameBuffer[Pointer] & 0x00ff;
	unsigned int	SSap = (unsigned int)lpFrameBuffer[Pointer+1] & 0x00ff;
	unsigned int	Ctrl = (unsigned int)lpFrameBuffer[Pointer+2] & 0x00ff;
	unsigned int    Etype =(unsigned int)lpFrameBuffer[Pointer+6] * 0x100 +
							(unsigned int)lpFrameBuffer[Pointer+7] & 0x00ff;

	if( DSap != 0xaa || SSap != 0xaa || Ctrl != 3 ) {
		OutPut("\n#=== IEEE802.2 HEADER");
		sprintf(buffer,"\nLLC: DSAP = [0x%04x]",DSap);
		OutPut(buffer);
		sprintf(buffer,"\nLLC: SSAP = [0x%04x]",SSap);
		OutPut(buffer);
		sprintf(buffer,"\nLLC: Control = %d",Ctrl);
		OutPut(buffer);
		*EtherType = Ctrl;
		sprintf(szProtocolName,"IEEE802.2");
		return(Pointer+3);
	}
	OutPut("\n#=== SNAP HEADER");
	sprintf(buffer,"\nLLC: DSAP = [0x%04x]",DSap);
	OutPut(buffer);
	sprintf(buffer,"\nLLC: SSAP = [0x%04x]",SSap);
	OutPut(buffer);
	sprintf(buffer,"\nLLC: Control = UI");
	OutPut(buffer);
	sprintf(buffer,"\nLLC: Porotocl ID =[%02x%02x%2x] ",
			(unsigned int) lpFrameBuffer[Pointer+3] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+4] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+5] & 0x00ff
	);
	sprintf(buffer,"\nLLC: Frame Type   = [%04x]",Etype);
	OutPut(buffer);
	*EtherType = Etype;
	sprintf(szProtocolName,"Other");
	return(Pointer+6);
}


int	ARPHeader(char far *lpFrameBuffer,int Pointer,int FrameLength,FILE *OutFp)
{
	unsigned int     HAddrType = 
		(unsigned int)lpFrameBuffer[Pointer+1] + (unsigned int)lpFrameBuffer[Pointer]*0x100;
	unsigned int     PAddrType =
		(unsigned int)lpFrameBuffer[Pointer+3] + (unsigned int)lpFrameBuffer[Pointer+2]*0x100;
	unsigned int 	HAddrLen =(	unsigned int)lpFrameBuffer[Pointer+4];
	unsigned int 	PAddrLen =(	unsigned int)lpFrameBuffer[Pointer+5];
	unsigned int    OpCode = 
		(unsigned int)lpFrameBuffer[Pointer+7] + (unsigned int)lpFrameBuffer[Pointer+6]*0x100;

	OutPut("\n#=== ARP HEADER");
	sprintf(buffer,"\nARP: Hardware Addr Type = [0x%04x]",HAddrType);
	OutPut(buffer);
	sprintf(buffer,"\nARP: Protocol Addr Type = [0x%04x]",PAddrType);
	OutPut(buffer);
	sprintf(buffer,"\nARP: Hardware Addr Len = [%2d]",HAddrLen);
	OutPut(buffer);
	sprintf(buffer,"\nARP: Protocol Addr Len = [%2d]",PAddrLen);
	OutPut(buffer);

	sprintf(buffer,"\nARP: Operation Code   = [%s]",
			OpCode == 1 ? "REQUEST" : OpCode == 2 ? "REPRY" :"UNKWON");
	OutPut(buffer);


	sprintf(buffer,"\nARP: SRC MAC ADDR = [%02x:%02x:%02x:%02x:%02x:%02x]",
			(unsigned int) lpFrameBuffer[Pointer+8] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+9] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+10] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+11] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+12] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+13] & 0x00ff);
	OutPut(buffer);

	sprintf(buffer,"\nARP: SRC IP ADDR  = [%03u.%03u.%03u.%03u]",
		lpFrameBuffer[Pointer+14] & 0x00ff,
		lpFrameBuffer[Pointer+15] & 0x00ff,
		lpFrameBuffer[Pointer+16] & 0x00ff,
	  	lpFrameBuffer[Pointer+17] & 0x00ff);
	OutPut(buffer);


	sprintf(buffer,"\nARP: TAGT MAC ADDR = [%02x:%02x:%02x:%02x:%02x:%02x]",
			(unsigned int) lpFrameBuffer[Pointer+18] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+19] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+20] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+21] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+22] & 0x00ff,
			(unsigned int) lpFrameBuffer[Pointer+23] & 0x00ff);
	OutPut(buffer);

	sprintf(buffer,"\nARP: TAGT IP ADDR = [%03u.%03u.%03u.%03u]",
		lpFrameBuffer[Pointer+24] & 0x00ff,
		lpFrameBuffer[Pointer+25] & 0x00ff,
		lpFrameBuffer[Pointer+26] & 0x00ff,
	  	lpFrameBuffer[Pointer+27] & 0x00ff);
	OutPut(buffer);

	return(Pointer+28);
}


int	IPHeader(char far *lpFrameBuffer,int Pointer,int FrameLength,FILE *OutFp,int *ProtType)
{
	int	HeaderLength = ((int )  lpFrameBuffer[Pointer] & 0x0f ) * 4;
	int	Version = ((int) lpFrameBuffer[Pointer] >> 4 ) & 0x000f;
	int	Service = (int) lpFrameBuffer[Pointer+1] & 0x00ff;
	int	TotalLength = ((int) lpFrameBuffer[Pointer+2]* 0x100) + lpFrameBuffer[Pointer+3];
	int	Identification = ((int) lpFrameBuffer[Pointer+4]* 0x100) +lpFrameBuffer[Pointer+5];
	int	FragmentData = ((int) lpFrameBuffer[Pointer+6]* 0x100) + lpFrameBuffer[Pointer+7];
	int	TTL = (int) lpFrameBuffer[Pointer+8] & 0x00ff;
	int	Protocol = (int) lpFrameBuffer[Pointer+9] & 0x00ff;
	int	CheckSum = ((int) lpFrameBuffer[Pointer+10]* 0x100) + lpFrameBuffer[Pointer+11];


	OutPut("\n#=== IP HEADER");
	sprintf(buffer,"\nIP : Version = [%2d]",Version);
	OutPut(buffer);
	sprintf(buffer,"\nIP : Current Header = [%4u]",HeaderLength);
	OutPut(buffer);
	sprintf(buffer,"\nIP : Type of Service = [%s. %s. %s.]",
			Service & 0x0010 ? "Low Delay" : "Normal Delay",
			Service & 0x0008 ? "High Throughput" : "Normal Troughput",
			Service & 0x0004 ? "High Reliability" : "Normal Reliability");

	OutPut(buffer);
	sprintf(buffer,"\nIP : Total Length = [%4u]",TotalLength);
	OutPut(buffer);
	sprintf(buffer,"\nIP : Identification = [0x%04x]",Identification);
	OutPut(buffer);
	sprintf(buffer,"\nIP : Fragment = [0x%04x]",FragmentData);
	OutPut(buffer);
	sprintf(buffer,"\nIP : TTL = [%4u]",TTL);
	OutPut(buffer);

	*ProtType = Protocol;

	if( Protocol == 6 ) {
		sprintf(buffer,"\nIP : Protocol = TCP ");
	} else if ( Protocol == 17 ) {
		sprintf(buffer,"\nIP : Protocol = UDP ");
	} else if (Protocol == 1 ) {
		sprintf(buffer,"\nIP : Protocol = ICMP ");
	} else {
		sprintf(buffer,"\nIP : Protocol =  %d ",Protocol);
		sprintf(szProtocolName,"IP Packet");
	}
	OutPut(buffer);
	sprintf(buffer,"\nIP : Check Sum = [0x%04x] ",CheckSum);
	OutPut(buffer);
	sprintf(buffer,"\nIP : Src IP Address = [%03u.%03u.%03u.%03u]",
		lpFrameBuffer[Pointer+12] & 0x00ff,
		lpFrameBuffer[Pointer+13] & 0x00ff,
		lpFrameBuffer[Pointer+14] & 0x00ff,
	  	lpFrameBuffer[Pointer+15] & 0x00ff);
	OutPut(buffer);
	sprintf(buffer,"\nIP : Dst IP Address = [%03u.%03u.%03u.%03u]",
		lpFrameBuffer[Pointer+16] & 0x00ff,
		lpFrameBuffer[Pointer+17] & 0x00ff,
		lpFrameBuffer[Pointer+18] & 0x00ff,
		lpFrameBuffer[Pointer+19] & 0x00ff);
	OutPut(buffer);

	if( HeaderLength > 20 ) {
		int	i;
		char	wk[10];
		sprintf(buffer,"\nIP : Option         = ");
		for(i = Pointer+20; i < Pointer + HeaderLength;i++ ) {
			sprintf(wk,"%02x",(int)lpFrameBuffer[i] & 0x00ff);
			strcat(buffer,wk);
		}
		OutPut(buffer);
	}

	return(Pointer+HeaderLength);
}



int	ICMPHeader(char far *lpFrameBuffer,int Pointer,int FrameLength,FILE *OutFp,int *MsgType)
{
	unsigned int Type = (unsigned int)lpFrameBuffer[Pointer];
	unsigned int MsgCode = (unsigned int ) lpFrameBuffer[Pointer+1];
	unsigned int CheckSum = (unsigned int)lpFrameBuffer[Pointer+2]*0x100 +
							(unsigned int)lpFrameBuffer[Pointer+3];

	OutPut("\n#=== ICMP Header");

	switch (Type ) {
		case   0: // Echo Reply
		case   8: // Echo
			{
				unsigned int ID = (unsigned int)lpFrameBuffer[Pointer+4]*0x100+
					    			(unsigned int)lpFrameBuffer[Pointer+5];
				unsigned int SEQ = (unsigned int)lpFrameBuffer[Pointer+6]*0x100+
					    			(unsigned int)lpFrameBuffer[Pointer+7];
				if( Type  ) {
					sprintf(szProtocolName,"ICMP Echo");
					sprintf(buffer,"\nICMP: Type = Echo Request");
				} else {
					sprintf(szProtocolName,"ICMP Echo Reply");
					sprintf(buffer,"\nICMP: Type = Echo Reply");
				}
				OutPut(buffer);
				sprintf(buffer,"\nICMP: Code =[%u] ID = [%04x] Seq = [%u]",MsgCode,ID,SEQ);
				OutPut(buffer);
			}
			return(Pointer+8);
		case   3: // Desttination Unreachable
			sprintf(buffer,"\nICMP: Type = Destination Unreachable");
			OutPut(buffer);
			sprintf(buffer,"\nICMP: Code =[%d]",MsgCode);
			OutPut(buffer);
			sprintf(szProtocolName,"ICMP Destination Unreachable");
			break;
		case   4: // Source Quench
			sprintf(buffer,"\nICMP: Type = Source Quench");
			OutPut(buffer);
			sprintf(buffer,"\nICMP: Code =[%d]",MsgCode);
			OutPut(buffer);
			sprintf(szProtocolName,"ICMP Source Quench");
			break;
		case   5: // Redirect
			sprintf(buffer,"\nICMP: Type = Redirect");
			OutPut(buffer);
			sprintf(buffer,"\nICMP: Code =[%d]",MsgCode);
			OutPut(buffer);
			sprintf(szProtocolName,"ICMP Redirect");
			break;
		case  11: // Time Exceeded Message
			sprintf(buffer,"\nICMP: Type = Time Exceeded");
			OutPut(buffer);
			sprintf(buffer,"\nICMP: Code =[%d]",MsgCode);