#include?“pcap.h“

/*?prototype?of?the?packet?handler?*/
void?packet_handler（u_char?*param?const?struct?pcap_pkthdr?*header?const?u_char?*pkt_data）;

main（）
{
	pcap_if_t?*alldevs;
	pcap_if_t?*d;
	int?inum;
	int?i=0;
	pcap_t?*adhandle;
	char?errbuf[PCAP_ERRBUF_SIZE];
	
	/*?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?（（adhandle=?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.
							?1				//?promiscuous?mode?（nonzero?means?promiscuous）
							?1000			//?read?timeout
							?errbuf			//?error?buffer
							?））?==?NULL）
	{
		fprintf（stderr“\nUnable?to?open?the?adapter.?%s?is?not?supported?by?WinPcap\n“?d->name）;
		/*?Free?the?device?list?*/
		pcap_freealldevs（alldevs）;
		return?-1;
	}
	
	printf（“\nlistening?on?%s...\n“?d->description）;
	
	/*?At?this?point?we?don‘t?need?any?more?the?device?list.?Free?it?*/
	pcap_freealldevs（alldevs）;
	
	/*?start?the?capture?*/
	pcap_loop（adhandle?0?packet_handler?NULL）;
	
	pcap_close（adhandle）;
	return?0;
}


/*?Callback?function?invoked?by?libpcap?for?every?incoming?packet?*/
void?packet_handler（u_char?*param?const?struct?pcap_pkthdr?*header?const?u_char?*pkt_data）
{
	struct?tm?*ltime;
	char?timestr[16];
	time_t?local_tv_sec;
	
	/*?convert?the?timestamp?to?readable?format?*/
	local_tv_sec?=?header->ts.tv_sec;
	ltime=localtime（&local_tv_sec）;
	strftime（?timestr?sizeof?timestr?“%H:%M:%S“?ltime）;
	
	printf（“%s%.6d?len:%d\n“?timestr?header->ts.tv_usec?header->len）;
	
}

?屬性????????????大小?????日期????時(shí)間???名稱
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?????文件???????7702??2006-10-17?11:20??sniffer\WinPcap\docs\html\annotated.html

?????文件???????5418??2006-10-17?11:20??sniffer\WinPcap\docs\html\daemon_8h-source.html

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?????文件???????1576??2006-10-17?11:20??sniffer\WinPcap\docs\html\doxygen.png

?????文件???????1096??2006-10-17?11:20??sniffer\WinPcap\docs\html\doxygen__groups_8txt.html

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?????文件???????2777??2002-04-10?04:45??sniffer\WinPcap\docs\html\encoding.gif

?????文件???????4468??2006-10-17?11:20??sniffer\WinPcap\docs\html\fileconf_8h-source.html

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?????文件???????3216??2006-10-17?11:20??sniffer\WinPcap\docs\html\files.html

?????文件????????174??2006-10-17?11:20??sniffer\WinPcap\docs\html\ftv2blank.png

?????文件????????255??2006-10-17?11:20??sniffer\WinPcap\docs\html\ftv2doc.png

?????文件????????259??2006-10-17?11:20??sniffer\WinPcap\docs\html\ftv2folderclosed.png

?????文件????????261??2006-10-17?11:20??sniffer\WinPcap\docs\html\ftv2folderopen.png

?????文件????????233??2006-10-17?11:20??sniffer\WinPcap\docs\html\ftv2lastnode.png

?????文件????????358??2006-10-17?11:20??sniffer\WinPcap\docs\html\ftv2link.png

?????文件????????160??2006-10-17?11:20??sniffer\WinPcap\docs\html\ftv2mlastnode.png

?????文件????????194??2006-10-17?11:20??sniffer\WinPcap\docs\html\ftv2mnode.png

?????文件????????235??2006-10-17?11:20??sniffer\WinPcap\docs\html\ftv2node.png

?????文件????????165??2006-10-17?11:20??sniffer\WinPcap\docs\html\ftv2plastnode.png

?????文件????????200??2006-10-17?11:20??sniffer\WinPcap\docs\html\ftv2pnode.png

?????文件????????229??2006-10-17?11:20??sniffer\WinPcap\docs\html\ftv2vertline.png

?????文件??????16542??2006-10-17?11:20??sniffer\WinPcap\docs\html\funcs_2pcap_8h-source.html

?????文件??????33856??2006-10-17?11:20??sniffer\WinPcap\docs\html\funcs_2pcap_8h.html

?????文件??????18384??2006-10-17?11:20??sniffer\WinPcap\docs\html\functions.html

?????文件??????18287??2006-10-17?11:20??sniffer\WinPcap\docs\html\functions_vars.html

?????文件??????35867??2006-10-17?11:20??sniffer\WinPcap\docs\html\globals.html

?????文件??????19612??2006-10-17?11:20??sniffer\WinPcap\docs\html\globals_defs.html

?????文件???????1517??2006-10-17?11:20??sniffer\WinPcap\docs\html\globals_enum.html

............此處省略361個(gè)文件信息