#include?“pcap.h“
#include?“string.h“
char?*p[200001];
int?amount=0;
#pragma?comment（lib“wpcap.lib“）
#pragma?comment（lib“Packet.lib“）
#pragma?comment（lib“WS2_32.LIB“）
void?packet_handler（u_char?*param?const?struct?pcap_pkthdr?*header?const?u_char?*pkt_data）;?
char?*temp;
int?sign=0;
long?sum=0;
/*?32位ip地址?*/
typedef?struct?ip_address
{
	u_char?byte1;
	u_char?byte2;
	u_char?byte3;
	u_char?byte4;
}ip_address;

/*?IPv4?header?*/
typedef?struct?ip_header
{
	u_char	ver_ihl;		//?Version?（4?bits）?+?Internet?header?length?（4?bits）
	u_char	tos;			//?Type?of?service?
	u_short?tlen;			//?Total?length?
	u_short?identification;?//?Identification
	u_short?flags_fo;		//?Flags?（3?bits）?+?Fragment?offset?（13?bits）
	u_char	ttl;			//?Time?to?live
	u_char	proto;			//?Protocol
	u_short?crc;			//?Header?checksum
	ip_address	saddr;		//?Source?address
	ip_address	daddr;		//?Destination?address
	u_int	op_pad;			//?Option?+?Padding
}ip_header;

/*?UDP?header*/
typedef?struct?udp_header
{
	u_short?sport;			//?Source?port
	u_short?dport;			//?Destination?port
	u_short?len;			//?Datagram?length
	u_short?crc;			//?Checksum
}udp_header;


pcap_if_t?*alldevs;?
pcap_if_t?*d;?
int?inum;
char?errbuf[PCAP_ERRBUF_SIZE];
pcap_t?*adhandle;
int?main（）
{
	?
	int?i=0;?
	
	?printf（“start“）;

/*?獲取設備列表?*/?
if?（pcap_findalldevs（&alldevs?errbuf）?==?-1）?
{?
	//fprintf（stderr“Error?in?pcap_findalldevs:?%s\n“?errbuf）;?
	exit（1）;?
}?

char?*pstr=“hello?world“;
//for（int?k=0;k<200001;k++）
//{
//	p[i]=new?char[strlen（pstr）+1];
//	strcpy（p[i]pstr）;
	
//}


/*?數據列表?*/
for（d=alldevs;?d;?d=d->next）?
{?
	//printf（“%d.?%s“?++i?d->name）;?
	++i;
	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）;?
inum=1;

if（inum??i）?
{?
	//printf（“\nInterface?number?out?of?range.\n“）;?
/*?釋放設備列表?*/?
	pcap_freealldevs（alldevs）;?
	return?-1;?
}?

/*?轉到選擇的設備?*/?
for（d=alldevs?i=0;?inext?i++）;?

/*?打開設備?*/?
if?（?（adhandle=?pcap_open_live（d->name?//設備名?
	65536?//?捕捉完整的數據包?
	1?//?混雜+模式?
	1000?//?讀入超時?
	errbuf?//?錯誤緩沖?
）?）?==?NULL）?
{?
/*?Y-?打開失敗*/?
//	fprintf（stderr“\nUnable?to?open?the?adapter.?%s?is?not?supported?by?WinPcap\n“）;?
/*?釋放列表?*/?
	//pcap_freealldevs（alldevs）;?
return?-1;?
}?
//fp=adhandle;
//printf（“\nlistening?on?%s...\n“?d->description）;?

/*?我們已經不需要設備列表了?釋放它?*/?
//pcap_freealldevs（alldevs）;?

/*?開始捕捉?*/?
pcap_loop（adhandle?0?packet_handler?NULL）;?


//pcap_read_ex（adhandle?0?packet_handler?NULL）;

printf（“The?sniffer?is?stop“）;
return?0;?
}

/*?處理數據包的回調函數*/?
void?packet_handler（u_char?*param?const?struct?pcap_pkthdr?*header?const?u_char?*pkt_data）?
{?
	sign++;
	struct?tm?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????5710??2010-01-30?15:07??catch_packet\catch_packet?1-30.cpp

?????文件???????5760??2010-01-30?00:00??catch_packet\catch_packet.cpp

?????文件???????4202??2010-01-26?00:00??catch_packet\catch_packet.dsp

?????文件????????547??2010-01-18?00:00??catch_packet\catch_packet.dsw

?????文件????????207??2010-01-26?00:00??catch_packet\catch_packet.h

?????文件??????66560??2011-01-20?12:33??catch_packet\catch_packet.ncb

?????文件??????48640??2011-01-20?12:33??catch_packet\catch_packet.opt

?????文件????????803??2010-03-19?00:00??catch_packet\catch_packet.plg

?????文件????1999872??2010-01-21?00:00??catch_packet\Debug\catch_packet.bsc

?????文件?????213066??2010-03-19?00:00??catch_packet\Debug\catch_packet.dll

?????文件????????884??2010-01-30?00:00??catch_packet\Debug\catch_packet.exp

?????文件?????285144??2010-03-19?00:00??catch_packet\Debug\catch_packet.ilk

?????文件???????2572??2010-01-30?00:00??catch_packet\Debug\catch_packet.lib

?????文件??????19306??2010-03-19?00:00??catch_packet\Debug\catch_packet.obj

?????文件????3698372??2010-01-26?00:00??catch_packet\Debug\catch_packet.pch

?????文件?????705536??2010-01-30?00:00??catch_packet\Debug\catch_packet.pdb

?????文件?????983196??2010-01-21?00:00??catch_packet\Debug\catch_packet.sbr

?????文件?????164864??2010-03-19?00:00??catch_packet\Debug\vc60.idb

?????文件??????77824??2010-01-30?00:00??catch_packet\Debug\vc60.pdb

?????目錄??????????0??2015-05-29?18:50??catch_packet\Debug

?????目錄??????????0??2015-05-29?18:50??catch_packet

-----------?---------??----------?-----??----

??????????????8283065????????????????????21