\u3069\u3046\u3082\uff5e\u3002\u3053\u3093\u306b\u3061\u306f\u3002<\/p>\n
\u3055\u3066\u3055\u3066\u3001\u4ecaC++\u30d1\u30b1\u30c3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u306e\u958b\u767a\u3092\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u534a\u5206\u306f\u6388\u696d(C++)\u306e\u8ab2\u984c\u5236\u4f5c\u306a\u3093\u3067\u3059\u304c\u3002<\/p>\n
\u3093\u3067\u3001window\u7528\u306e\u30e9\u30a4\u30d6\u30e9\u30eawinPcap\u3092\u4f7f\u3063\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n
\u304a\u7d04\u675f\uff1a
\u4ee5\u4e0b\u306e\u624b\u9806\u3092\u5b9f\u884c\u3057\u305f\u4e0a\u3067\u306e\u3044\u304b\u306a\u308b\u640d\u5bb3\u3082\u88dc\u511f\u3057\u307e\u305b\u3093\u3002
\u81ea\u5df1\u8cac\u4efb\u3067\u3069\u3046\u305e\u3002<\/p>\n
\uff5ewinPcap\u306e\u30b5\u30f3\u30d7\u30eb\u304c\u52d5\u304f\u307e\u3067\uff5e<\/span><\/p>\n OS:Windows XP SP2 \u624b\u98061:winPcap\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/span><\/p>\n http:\/\/www.winpcap.org\/<\/a><\/p>\n \u2191\u306e\u30b5\u30a4\u30c8\u304b\u3089\u300cGet WinPcap\u300d\u3078\u9032\u3080\u3002<\/p>\n \u4eca\u56dewinPcap\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u8cc7\u6599\u3084\u30b5\u30f3\u30d7\u30eb\u304c\u8c4a\u5bcc\u306a\u306e\u30673.1\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n WinPcap auto-installer\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002<\/p>\n \u3053\u308c\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u306a\u3044\u3068winPcap\u3092\u4f7f\u7528\u3057\u305f\u30a2\u30d7\u30ea\u306f\u52d5\u304d\u307e\u305b\u3093\u3002<\/span><\/p>\n \u624b\u98062:\u958b\u767a\u30ad\u30c3\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/span><\/p>\n \u5148\u307b\u3069\u306e\u30da\u30fc\u30b8\u304b\u3089\u300cDevelopment\u300d\u3078\u9032\u307f\u3001<\/p>\n \u300cWinPcap 3.1 Developer’s Pack\u300d<\/p>\n \u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u89e3\u51cd\u3002<\/p>\n \u624b\u98063:Visual Studio .NET 2003 \u306b\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u8ffd\u52a0<\/span><\/p>\n \u624b\u98062\u3067\u89e3\u51cd\u3057\u305f\u30d5\u30a9\u30eb\u30c0\u306e\u4e2d\u306eInclude\u3068Lib\u30d5\u30a9\u30eb\u30c0\u306e\u4e2d\u8eab\u3092<\/p>\n C:¥Program Files¥Microsoft Visual Studio .NET 2003¥Vc7<\/p>\n \u306eInclude,Lib\u306b\u305d\u308c\u305e\u308c\u30b3\u30d4\u30fc\u3002<\/p>\n \u6b63\u76f4\u3053\u308c\u306f\u3084\u3089\u306a\u304f\u3066\u3044\u3044\u304b\u3082\u77e5\u308c\u306a\u3044\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u30b3\u30d4\u30fc\u3057\u3066\u304a\u304f\u3068\u3001<\/p>\n \u9593\u9055\u3063\u3066\u30d8\u30c3\u30c0\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u3092\u6d88\u3057\u3066\u3057\u307e\u3046\u5fc3\u914d\u304c\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n (VS\u81ea\u4f53\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3057\u307e\u3046\u3068\u3044\u307f\u306a\u3044\u3067\u3059\u304c\u30fb\u30fb\u30fb)<\/p>\n \u3053\u3053\u3067\u30b3\u30d4\u30fc\u3057\u3066\u304a\u3051\u3070<\/p>\n #include \u306e\u3088\u3046\u306b”<>“\u3092\u4f7f\u3063\u3066include\u3067\u304d\u307e\u3059\u3002<\/p>\n \u624b\u98063:\u30b5\u30f3\u30d7\u30eb\u306e\u30d3\u30eb\u30c9\u3068\u5b9f\u884c<\/span><\/p>\n \u3067\u306f\u5b9f\u969b\u306b\u30d3\u30eb\u30c9\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n Visual Studio .NET 2003\u3092\u8d77\u52d5\u3057\u3066\u3001<\/p>\n \u300c\u65b0\u3057\u3044\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u300d \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d\u3092\u5165\u529b\u3057\u3066OK\u3002<\/p>\n Win32\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a6\u30a3\u30b6\u30fc\u30c9\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067<\/p>\n \u300c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a\u300d<\/p>\n \u3067\u300c\u7a7a\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u300d\u306b\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c\u3066\u5b8c\u4e86\u3002<\/p>\n \u51fa\u6765\u305f\u3089\u3001\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u306b\u300csample.c\u300d\u3092\u8ffd\u52a0\u3057\u3001<\/p>\n \u4e0b\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u5165\u529b\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n \/* \/* prototype of the packet handler *\/ main() \t\/* Retrieve the device list *\/ \t\/* Print the list *\/ \tif(i==0) \tprintf(“Enter the interface number (1-%d):”,i); \tif(inum < 1 || inum > i) \t\/* Jump to the selected adapter *\/ \t\/* Open the device *\/ \tprintf(“¥nlistening on %s…¥n”, d->description);<\/p>\n \t\/* At this point, we don’t need any more the device list. Free it *\/ \t\/* start the capture *\/ \tpcap_close(adhandle); \/* Callback function invoked by libpcap for every incoming packet *\/ \t\/* convert the timestamp to readable format *\/ \tprintf(“%s,%.6d len:%d¥n”, timestr, header->ts.tv_usec, header->len);<\/p>\n }<\/p><\/blockquote>\n \u5165\u529b\u3057\u7d42\u308f\u3063\u305f\u3089\u30d3\u30eb\u30c9\uff01<\/p>\n \u304a\u304a\u304a\u304a\u304a\u304a\u304a\u304a\u304a\u304a\u3002<\/p>\n \u3046\u3054\u304b\u306d\u30fc\u30fc\u30fc\u30fc\u30fc\u30fc\u30fc\u3002<\/p>\n \u6b63\u76f4\u306a\u3084\u307f\u307e\u3057\u305f\u3002<\/p>\n \u3044\u308d\u3044\u308d\u8abf\u3079\u305f\u3068\u3053\u308d\u3001wpcap.lib\u3092\u30ea\u30f3\u30ab\u306b\u95a2\u9023\u4ed8\u3051\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u6a21\u69d8\u3002<\/p>\n \u3068\u3044\u3046\u308f\u3051\u3067\u3001<\/p>\n 1.\u30e1\u30cb\u30e5\u30fc\u30d0\u30fc\u304b\u3089\u300c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u300d \u3053\u308c\u3067\u52d5\u304f\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n \u3067\u3001\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u4f55\u3092\u3057\u3066\u308b\u304b\u3068\u3044\u3046\u3068\u3001<\/p>\n PC\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30fc\u30c9\u3092\u691c\u51fa\u3057\u3001<\/p>\n \u305d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30fc\u30c9\u306b\u6d41\u308c\u3066\u304d\u305f\u30d1\u30b1\u30c3\u30c8\u3092\u62fe\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n \u3042\u3001\u305d\u3046\u305d\u3046\u3002<\/p>\n \u8a00\u3044\u5fd8\u308c\u3066\u307e\u3057\u305f\u3002<\/p>\n \u50d5C\/C++\u6700\u9ad8\u306b\u82e6\u624b\u306a\u3093\u3067\u3002<\/span><\/p>\n \u4e00\u5fdc\u30b3\u30f3\u30bd\u30fc\u30eb\u3067\u305d\u308c\u306a\u308a\u306e\u3082\u306e\u306f\u4f5c\u308c\u307e\u3059\u304c\u3001<\/p>\n \u3084\u3055\u3057\u3044C<\/span>\u30ec\u30d9\u30eb\u306a\u3093\u3067(^^;;<\/p>\n \u307e\u3041\u3053\u308c\u304b\u3089\u52c9\u5f37\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n \u53c2\u8003\u30fb\u8cc7\u6599\u306b\u3055\u305b\u3066\u3044\u305f\u3060\u3044\u305f\u30b5\u30a4\u30c8<\/p>\n WinPcap\u3092\u4f7f\u3063\u305f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/a><\/p>\n \u3072\u3052\u307d\u3093 OS\u3068\u304b\u4f5c\u3063\u3061\u3083\u3046\u304bMona- – WinPcap\u3092\u8a66\u3059<\/a><\/p>\n \u305d\u3057\u3066winPcap\u306e\u65e5\u672c\u8a9e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/p>\n WinPcap Documentation<\/a><\/p>\n \u21913.0\u7528\u3067\u3059\u304c\u3001\u304b\u306a\u308a\u3042\u308a\u304c\u305f\u3044\u3067\u3059\u3002 \u53c2\u8003\u306b\u3055\u305b\u3066\u3044\u305f\u3060\u3044\u305f\u30b5\u30a4\u30c8\u69d8\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\u3002<\/p>\n \u305d\u308c\u3068\u30b9\u30da\u30b7\u30e3\u30eb\u30b5\u30f3\u30af\u30b9<\/p>\n \u304f\u3060\u3059\u308cVisual C++\uff08\u8d85\u521d\u5fc3\u8005\u7528\uff09\u30b9\u30ec\u306e\u306e550\u3055\u3093<\/p>\n \u50d5\u3068\u5168\u304f\u540c\u3058\u30a8\u30e9\u30fc\u51fa\u3066\u307e\u3057\u305f\u3002<\/p>\n \u843d\u3061\u3066\u307e\u3059\u306e\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u8cbc\u3089\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002 <\/p>\n","protected":false},"excerpt":{"rendered":" \u3069\u3046\u3082\uff5e\u3002\u3053\u3093\u306b\u3061\u306f\u3002 \u3055\u3066\u3055\u3066\u3001\u4ecaC++\u30d1\u30b1\u30c3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u306e\u958b\u767a\u3092\u8003\u3048\u3066\u3044\u307e\u3059\u3002 \u534a\u5206\u306f\u6388\u696d(C++)\u306e\u8ab2\u984c\u5236\u4f5c\u306a\u3093\u3067\u3059\u304c\u3002 \u3093\u3067\u3001window\u7528\u306e\u30e9\u30a4\u30d6\u30e9\u30eawinPcap\u3092\u4f7f\u3063\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002 \u304a\u7d04\u675f\uff1a\u4ee5\u4e0b\u306e\u624b\u9806 … \u7d9a\u304d\u3092\u8aad\u3080 WinPcap\u3067\u306f\u3058\u3081\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/span>
IDE:Visual Studio.NET 2003
Language:Visual C++
Lib:winPcap 3.1<\/p>\n
\u300cVisual C++ \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u300d
\u300cWin32\u300d
\u3068\u9032\u307f
\u300cWin32\u30b3\u30f3\u30bd\u30fc\u30eb \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u300d<\/p>\n
#include “pcap.h”
\u2191\u624b\u98062\u3067\u30d8\u30c3\u30c0\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u30b3\u30d4\u30fc\u3057\u306a\u304b\u3063\u305f\u5834\u5408
\u3053\u306e\u5834\u5408\u306f\u3057\u3063\u304b\u308a\u30d8\u30c3\u30c0\u306a\u3069\u8ffd\u52a0\u3057\u3066\u4e0b\u3055\u3044\u3002
(\u3053\u3063\u3061\u3067\u306f\u8a66\u3057\u3066\u307e\u305b\u3093\u3002)
*\/
#include
void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data);<\/p>\n
{
\tpcap_if_t *alldevs;
\tpcap_if_t *d;
\tint inum;
\tint i=0;
\tpcap_t *adhandle;
\tchar errbuf[PCAP_ERRBUF_SIZE];<\/p>\n
\tif(pcap_findalldevs(&alldevs, errbuf) == -1)
\t{
\t\tfprintf(stderr,”Error in pcap_findalldevs: %s¥n”, errbuf);
\t\texit(1);
\t}<\/p>\n
\tfor(d=alldevs; d; d=d->next)
\t{
\t\tprintf(“%d. %s”, ++i, d->name);
\t\tif (d->description)
\t\t\tprintf(” (%s)¥n”, d->description);
\t\telse
\t\t\tprintf(” (No description available)¥n”);
\t}<\/p>\n
\t{
\t\tprintf(“¥nNo interfaces found! Make sure WinPcap is installed.¥n”);
\t\treturn -1;
\t}<\/p>\n
\tscanf(“%d”, &inum);<\/p>\n
\t{
\t\tprintf(“¥nInterface number out of range.¥n”);
\t\t\/* Free the device list *\/
\t\tpcap_freealldevs(alldevs);
\t\treturn -1;
\t}<\/p>\n
\tfor(d=alldevs, i=0; i< inum-1 ;d=d->next, i++);<\/p>\n
\t\/* Open the adapter *\/
\tif ((adhandle= pcap_open_live(d->name,\t\/\/ name of the device
\t\t\t\t\t\t\t 65536,\t\t\t\/\/ portion of the packet to capture.
\t\t\t\t\t\t\t\t\t\t\t\/\/ 65536 grants that the whole packet will be captured on all the MACs.
\t\t\t\t\t\t\t 1,\t\t\t\t\/\/ promiscuous mode (nonzero means promiscuous)
\t\t\t\t\t\t\t 1000,\t\t\t\/\/ read timeout
\t\t\t\t\t\t\t errbuf\t\t\t\/\/ error buffer
\t\t\t\t\t\t\t )) == NULL)
\t{
\t\tfprintf(stderr,”¥nUnable to open the adapter. %s is not supported by WinPcap¥n”, d->name);
\t\t\/* Free the device list *\/
\t\tpcap_freealldevs(alldevs);
\t\treturn -1;
\t}<\/p>\n
\tpcap_freealldevs(alldevs);<\/p>\n
\tpcap_loop(adhandle, 0, packet_handler, NULL);<\/p>\n
\treturn 0;
}<\/p>\n
void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data)
{
\tstruct tm *ltime;
\tchar timestr[16];<\/p>\n
\tltime=localtime(&header->ts.tv_sec);
\tstrftime( timestr, sizeof timestr, “%H:%M:%S”, ltime);<\/p>\n
2.[\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d]\u306e\u30d7\u30ed\u30d1\u30c6\u30a3
3.\u69cb\u6210\u30d7\u30ed\u30d1\u30c6\u30a3
4.\u30ea\u30f3\u30ab
5.\u5165\u529b
6.\u8ffd\u52a0\u306e\u4f9d\u5b58\u30d5\u30a1\u30a4\u30eb\u306bwpcap.lib<\/span>\u3068\u5165\u529b\u3002
7.OK\u3092\u62bc\u3057\u3066\u518d\u5ea6\u30d3\u30eb\u30c9<\/p>\n
\u3053\u306e\u89e3\u8aac\u8cc7\u6599\u3092\u5143\u306b\u3044\u308d\u3044\u308d\u4f5c\u3063\u3066\u3044\u304f\u611f\u3058\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u3061\u3089<\/a><\/p>\n