/***************SimpelSniffer.c*************/
#include?
#include?
#include?
#include?
#include?
#include?
#define?BUFFER_MAX?2048

int?main（int?argc?char?*argv[]）
{
	
	int?sock?n_read?proto;	
	char?buffer[BUFFER_MAX];
	char?*ethhead?*iphead?*tcphead?*udphead?*icmphead?*p;
	
	if（（sock?=?socket（PF_PACKET?SOCK_RAW?htons（ETH_P_IP）））?	{
		fprintf（stdout?“create?socket?error\n“）;
		exit（0）;
	}
	while（1）?
	{
		n_read?=?recvfrom（sock?buffer?2048?0?NULL?NULL）;
		/*
		14???6（dest）+6（source）+2（type?or?length）
		+
		20???ip?header?
		+
		8????icmptcp?or?udp?header
		=?42
		*/
		if（n_read?		{
			fprintf（stdout?“Incomplete?header?packet?corrupt\n“）;
			continue;
		}
		
		ethhead?=?buffer;
		p?=?ethhead;
		int?n?=?0XFF;
		printf（“MAC:?%.2X:%02X:%02X:%02X:%02X:%02X==>“
			“%.2X:%.2X:%.2X:%.2X:%.2X:%.2X\n“
			p[6]&n?p