网络抓包工具: 提供界面，可抓取网络数据包并显示

来源：互联网发布：ipadian 安装软件编辑：程序博客网时间：2024/05/15 11:02
 package Task3;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.io.BufferedReader;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.IOException;import javax.swing.*;import jpcap.JpcapCaptor;    import jpcap.NetworkInterface;    import jpcap.PacketReceiver;    import jpcap.packet.*;import sun.tools.jar.resources.jar;public class Task3 extends JFrame{    static JTextArea ta2 = new JTextArea();    static JTextArea ta3 = new JTextArea();    static JTextArea ta4 = new JTextArea();    static JTextArea ta5 = new JTextArea();    static JTextArea ta6 = new JTextArea();    static JTextArea ta7 = new JTextArea();    static JTextArea ta8 = new JTextArea();    static JTextArea ta9 = new JTextArea();    public static void main(String args[]){            Task3 dn = new Task3("网络监听");        //dn.GrabTest();       }     public Task3(String title) {        super(title);        setLayout(null);        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        setLocation(40,0);        setSize(560,750);        JTabbedPane tabbedPane = new JTabbedPane();        JLabel label1 = new JLabel("协议名称");        label1.setBounds(new Rectangle(50, 30, 100, 20));        JLabel label2 = new JLabel("源IP：端口");        label2.setBounds(new Rectangle(170, 30, 100, 20));        JLabel label3 = new JLabel("目的IP：端口");        label3.setBounds(new Rectangle(310, 30, 100, 20));        JLabel label4 = new JLabel("包长度");        label4.setBounds(new Rectangle(450, 30, 100, 20));        add(label1);        add(label2);        add(label3);        add(label4);        Button bt1 = new Button("监听");        bt1.addActionListener(new GrabTest());        bt1.setBounds(new Rectangle(220, 0, 70, 25));        ta2.setEditable(true);        ta2.setText(" ");        ta2.setBackground(Color.white);        ta2.setLineWrap(true);        ta3.setEditable(true);        ta3.setText(" ");        ta3.setBackground(Color.white);        ta3.setLineWrap(true);        ta4.setEditable(true);        ta4.setText(" ");        ta4.setBackground(Color.white);        ta4.setLineWrap(true);        ta5.setEditable(true);        ta5.setText(" ");        ta5.setBackground(Color.white);        ta5.setLineWrap(true);        ta2.setBounds(new Rectangle(20,  50, 100, 300));        ta3.setBounds(new Rectangle(122, 50, 150, 300));        ta4.setBounds(new Rectangle(274, 50, 150, 300));        ta5.setBounds(new Rectangle(426, 50, 100, 300));        ta6.setBounds(new Rectangle(20, 352, 506, 90));        ta7.setBounds(new Rectangle(20, 444, 506, 90));        ta8.setBounds(new Rectangle(20, 536, 506, 90));        ta9.setBounds(new Rectangle(20, 628, 506, 90));        ta6.append("TCP数据包解析:"+"\n");        ta7.append("UDP数据包解析："+"\n");        ta8.append("ARP数据包解析："+"\n");        ta9.append("ICMP数据包解析："+"\n");        add(bt1);        add(ta2);        add(ta3);        add(ta4);        add(ta5);        add(ta5);        add(ta6);        add(ta7);        add(ta8);        add(ta9);        setVisible(true);        }    }   class GrabTest implements ActionListener{    public void actionPerformed(ActionEvent e){    try{           //获取本机上的网络接口对象数组         final  NetworkInterface[] devices = JpcapCaptor.getDeviceList();            for(int i=0;i<devices.length;i++){                NetworkInterface nc=devices[i];               //创建某个卡口上的抓取对象,最大为2000个            JpcapCaptor jpcap = JpcapCaptor.openDevice(nc, 2000, true, 20);            startCapThread(jpcap);            //Task3.ta.append("开始抓取第"+i+"个卡口上的数据"+"\n");            }                          }catch(Exception ef){                ef.printStackTrace();                //Task3.ta.append("启动失败:  "+ef);            }        }      //将每个Captor放到独立线程中运行           public static void startCapThread(final JpcapCaptor jpcap ){               JpcapCaptor jp=jpcap;               java.lang.Runnable runner=new Runnable(){                   public void run(){                       //使用接包处理器循环抓包                       jpcap.loopPacket(-1, new TestPacketReceiver());                   }               };               new Thread(runner).start();//启动抓包线程           }        }    /**       * 抓包监听器,实现PacketReceiver中的方法并打印出数据包说明       */        class TestPacketReceiver  implements PacketReceiver {             public void receivePacket(Packet packet) {                  //Tcp包               if(packet instanceof jpcap.packet.TCPPacket){                Task3.ta2.append("TCP"+"\n");                TCPPacket p=(TCPPacket)packet;                Task3.ta3.append(p.src_ip.toString()+":"+p.src_port+"\n");                Task3.ta4.append(p.dst_ip.toString()+":"+p.dst_port+"\n");                Task3.ta5.append("         "+Integer.toString(p.len));                Task3.ta5.append("\n");                String str = p.toString();                byte []b = str.getBytes();                int count = 0;                for(int  i = 0 ; i < b.length ; i++){                    int v = b[i]&0xFF;                    String string = Integer.toHexString(v);                    count++;                    if(string.length() < 2 ) string = '0' + string;                    if(count%25 == 0){                    Task3.ta6.append("\r\n");                    }                    Task3.ta6.append(string+"  ");                }                 Task3.ta6.append("\n");           }            //UDP包              else if(packet instanceof jpcap.packet.UDPPacket){                    UDPPacket p=(UDPPacket)packet;                    Task3.ta2.append("UDP"+"\n");                Task3.ta3.append(p.src_ip.toString()+":"+p.src_port+"\n");                Task3.ta4.append(p.dst_ip.toString()+":"+p.dst_port+"\n");                Task3.ta5.append("         "+Integer.toString(p.len));                  Task3.ta5.append("\n");                String str = p.toString();                byte []b = str.getBytes();                int count = 0;                for(int  i = 0 ; i < b.length ; i++){                    int v = b[i]&0xFF;                    String string = Integer.toHexString(v);                    count++;                    if(string.length() < 2 ) string = '0' + string;                    if(count%25 == 0){                    Task3.ta7.append("\r\n");                    }                    Task3.ta7.append(string+"  ");                }                 Task3.ta7.append("\n");            }            //ARP请求包               else if(packet instanceof jpcap.packet.ARPPacket){                   ARPPacket p=(ARPPacket)packet;                   //返回发送者的mac地址                  Object  saa=   p.getSenderHardwareAddress();                   Object  taa=p.getTargetHardwareAddress();                Task3.ta2.append("UDP"+"\n");                Task3.ta3.append(saa.toString()+"\n");                Task3.ta4.append(taa.toString()+"\n");                Task3.ta5.append("         "+Integer.toString(p.len));                  Task3.ta5.append("\n");                String str = p.toString();                byte []b = str.getBytes();                int count = 0;                for(int  i = 0 ; i < b.length ; i++){                    int v = b[i]&0xFF;                    String string = Integer.toHexString(v);                    count++;                    if(string.length() < 2 ) string = '0' + string;                    if(count%25 == 0){                    Task3.ta8.append("\r\n");                  }                    Task3.ta8.append(string+"  ");               }                 Task3.ta8.append("\n");               }             //ICMP包               else if(packet instanceof jpcap.packet.ICMPPacket){                   ICMPPacket p=(ICMPPacket)packet;                   //ICMP包的路由链                   String router_ip="";                   for(int i=0;i<p.router_ip.length;i++){                       router_ip+=" "+p.router_ip[i].getHostAddress();                   }                    Task3.ta2.append("ICMP"+"\n");                Task3.ta3.append(p.router_ip.toString()+"\n");                Task3.ta4.append(p.redir_ip.toString()+"\n");                Task3.ta5.append("         "+Integer.toString(p.len));                  Task3.ta5.append("\n");                   String str = p.toString();                byte []b = str.getBytes();                int count = 0;                for(int  i = 0 ; i < b.length ; i++){                    int v = b[i]&0xFF;                    String string = Integer.toHexString(v);                    count++;                    if(string.length() < 2 ) string = '0' + string;                    if(count%25 == 0){                    Task3.ta9.append("\r\n");                    }                    Task3.ta9.append(string+"  ");                }                 Task3.ta9.append("\n");            }            }             }
这题的难度在于要导入jpcap的包，非常坑爹，几次都失败。
0 0