etherhead.cpp

这是一个嗅探器

// EtherHead.cpp: implementation of the EtherHead class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "snifferpro.h"
#include "EtherHead.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

EtherHead::EtherHead()
{

}

EtherHead::EtherHead(const unsigned char *buf,int buflen)
{
	//unsigned char *buf=new unsigned char[bufferlen];
	//int buflen=bufferlen;
	unsigned char *pos;
	
	//memcpy(buf,buffer,bufferlen);
	pos=(unsigned char *)buf;

	for(int i=0;i<6;i++){
		destaddr[i]=*pos;
		pos++;
	}

	for(i=0;i<6;i++){
		srcaddr[i]=*pos;
		pos++;
	}

	type=(*pos)*0x100+(*(pos+1));

	//delete[] buf;
}

EtherHead::~EtherHead()
{
}

void EtherHead::GetMacSrcAddr(char *str)
{
	sprintf(str,"%02X-%02X-%02X-%02X-%02X-%02X",srcaddr[0],srcaddr[1],srcaddr[2],srcaddr[3],srcaddr[4],srcaddr[5]);
}

CString EtherHead::GetMacSrcAddr()
{
	CString str;

	str.Format("%02X-%02X-%02X-%02X-%02X-%02X",srcaddr[0],srcaddr[1],srcaddr[2],srcaddr[3],srcaddr[4],srcaddr[5]);
	return str;
}

void EtherHead::GetMacDestAddr(char *str)
{
	sprintf(str,"%02X-%02X-%02X-%02X-%02X-%02X",destaddr[0],destaddr[1],destaddr[2],destaddr[3],destaddr[4],destaddr[5]);
}

CString EtherHead::GetMacDestAddr()
{
	CString str;

	str.Format("%02X-%02X-%02X-%02X-%02X-%02X",destaddr[0],destaddr[1],destaddr[2],destaddr[3],destaddr[4],destaddr[5]);
	return str;
}

CString  EtherHead::GetType()
{
	CString str;
	switch(this->type){
	case 2048:
		str.Format("IP");
		break;
	default:
		str.Format("");
	}
	return str;
}