jpcap.NetworkInterface[] devices = jpcap.JpcapCaptor.getDeviceList(); JpcapCaptor cap = JpcapCaptor.openDevice(devices[1], 65535, false, 20);//c'est la qu'il ya un problème
// $Id: Sniffer.java,v 1.1 2002/02/18 21:49:49 pcharles Exp $ /*************************************************************************** * Copyright (C) 2001, Rex Tsai <chihchun@kalug.linux.org.tw> * * Distributed under the Mozilla Public License * * http://www.mozilla.org/NPL/MPL-1.1.txt * ***************************************************************************/ package net.sourceforge.jpcap.tutorial.sniffer; import net.sourceforge.jpcap.capture.*; import net.sourceforge.jpcap.net.*; /** * jpcap Tutorial - Sniffer example * * @author Rex Tsai * @version $Revision: 1.1 $ * @lastModifiedBy $Author: pcharles $ * @lastModifiedAt $Date: 2002/02/18 21:49:49 $ */ public class Sniffer { private static final int INFINITE = -1; private static final int PACKET_COUNT = INFINITE; /* private static final String HOST = "203.239.110.20"; private static final String FILTER = "host " + HOST + " and proto TCP and port 23"; */ private static final String FILTER = // "port 23"; ""; public static void main(String[] args) { try { if(args.length == 1){ Sniffer sniffer = new Sniffer(args[0]); } else { System.out.println("Usage: java Sniffer [device name]"); System.out.println("Available network devices on your machine:"); String[] devs = PacketCapture.lookupDevices(); for(int i = 0; i < devs.length ; i++) System.out.println("\t" + devs[i]); } } catch(Exception e) { e.printStackTrace(); } } public Sniffer(String device) throws Exception { // Initialize jpcap PacketCapture pcap = new PacketCapture(); System.out.println("Using device '" + device + "'"); pcap.open(device, true); pcap.setFilter(FILTER, true); pcap.addPacketListener(new PacketHandler()); System.out.println("Capturing packets..."); pcap.capture(PACKET_COUNT); } } class PacketHandler implements PacketListener { public void packetArrived(Packet packet) { try { // only handle TCP packets if(packet instanceof TCPPacket) { TCPPacket tcpPacket = (TCPPacket)packet; byte[] data = tcpPacket.getTCPData(); String srcHost = tcpPacket.getSourceAddress(); String dstHost = tcpPacket.getDestinationAddress(); String isoData = new String(data, "ISO-8859-1"); System.out.println(srcHost+" -> " + dstHost + ": " + isoData); } } catch( Exception e ) { e.printStackTrace(); } } }
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