基于多线程的java端口扫描器import javax.swing.*;import java.awt.*;
/* **“关于”窗口 */public class AboutDialog extends JDialog{ JPanel jMainPane = new JPanel();
JTabbedPane jTabbedPane = new JTabbedPane(); private JPanel jPanel1 = new JPanel(); private JPanel jPanel2 = new JPanel();
private JTextArea jt1 = new JTextArea(6,6); private JTextArea jt2 = new JTextArea(6,6);
/* **构造函数 */ public AboutDialog() { setTitle("端口扫描"); setSize(300,200); setResizable(false); setDefaultCloseOperation (WindowConstants.DISPOSE_ON_CLOSE); Container c = this.getContentPane(); jt1.setSize(260,200); jt2.setSize(260,200); jt1.setEditable(false); jt2.setEditable(false); jt1.setLineWrap(true); jt2.setLineWrap(true);
jt1.setText("用同一信息对目标计算机的所有所需扫描的端口进行发送，然后根据返回端口状态来分析目标计算机的端口是否打开、是否可用。"); jt2.setText("1、选择扫描方式\n"+"2、点击“开始扫描”\n"+"3、点击“保存扫描结果”进行扫描结果的保存");
jt1.setFont(new Font("楷体_GB2312", java.awt.Font.BOLD, 13)); jt1.setForeground(Color.blue);
jt2.setFont(new Font("楷体_GB2312", java.awt.Font.BOLD, 13)); jt2.setForeground(Color.black); jPanel1.add(jt1); jPanel2.add(jt2); pack(); this.setVisible(true); }} 149
java端口扫描器import java.net.*;import java.io.*;import java.awt.*;import java.awt.event.*;import javax.swing.*;
public class TCPThread extends Thread{ public InetAddress hostAddress; //最小的端口号 public int MIN_port; //最大的端口号 public int MAX_port; //线程总数 private int threadnum; //查询方式：0为ip；1为主机名 public int type;
//ip地址前3位 public int ip1; //ip地址4~6位 public int ip2; //ip地址7~9位 public int ip3; //起始ip地址的最后4位 public int ipstart; //结束ip地址的最后4位 public int ipend; //完整的ip地址 public String ipAll;
//扫描的主机名称或ip String hostname = ""; //端口的类别 String porttype = "0"; /* *构造函数 */ public TCPThread(String name,int threadnum){ super(name); this.threadnum = threadnum; } /* *运行函数 */ public void run() { //ip地址 int h = 0; //端口号 int i = 0; Socket theTCPsocket;
//根据ip地址进行扫描 if(type == 0){ //ip地址循环扫描 for(h = ipstart; h <=ipend; h++){ //组成完整的ip地址 ipAll = "" + ip1 + "." + ip2 + "." + ip3 + "." + h; hostname = ipAll; try{ //在给定主机名的情况下确定主机的 IP 地址 hostAddress=InetAddress.getByName(ipAll); } catch(UnknownHostException e){ } //不同的端口循环扫描 for (i = MIN_port+threadnum; i < MAX_port + Integer.parseInt(ThreadScan.maxThread.getText()); i += Integer.parseInt(ThreadScan.maxThread.getText())){
try{ theTCPsocket=new Socket(hostAddress,i); theTCPsocket.close(); ThreadScan.Result.append(hostname+":"+i); //判断端口的类别 switch(i){ case 21: porttype = "(FTP)"; break; case 23: porttype = "(TELNET)"; break; case 25: porttype = "(SMTP)"; break; case 80: porttype = "(HTTP)"; break; case 110: porttype = "(POP)"; break; case 139: porttype = "(netBIOS)"; break; case 1433: porttype = "(SQL Server)"; break; case 3389: porttype = "(Terminal Service)"; break; case 443: porttype = "(HTTPS)"; break; case 1521: porttype = "(Oracle)"; break; } //端口没有特定类别 if(porttype.equals("0")){ ThreadScan.Result.append("\n"); } else{ ThreadScan.Result.append(":"+porttype+"\n"); } } catch (IOException e){ } } } //扫描完成后，显示扫描完成，并将“确定”按钮设置为可用 if (i==MAX_port+Integer.parseInt(ThreadScan.maxThread.getText())){ ThreadScan.Result.append("\n"+"扫描完成..."); //将"确定"按钮设置成为可用 if(!ThreadScan.Submit.isEnabled()){ ThreadScan.Submit.setEnabled(true); } } } //按照主机名进行端口扫描 if(type == 1){
for (i = MIN_port+threadnum; i < MAX_port+Integer.parseInt(ThreadScan.maxThread.getText()); i += Integer.parseInt(ThreadScan.maxThread.getText())){
try{ theTCPsocket=new Socket(hostAddress,i); theTCPsocket.close(); ThreadScan.Result.append(" "+i); switch(i){ case 21: porttype = "(FTP)"; break; case 23: porttype = "(TELNET)"; break; case 25: porttype = "(SMTP)"; break; case 80: porttype = "(HTTP)"; break; case 110: porttype = "(POP)"; break; case 139: porttype = "(netBIOS)"; break; case 1433: porttype = "(SQL Server)"; break; case 3389: porttype = "(Terminal Service)"; break; case 443: porttype = "(HTTPS)"; break; case 1521: porttype = "(Oracle)"; break; } //端口没有特定类别 if(porttype.equals("0")){ ThreadScan.Result.append("\n"); } else{ ThreadScan.Result.append(":"+porttype+"\n"); }www.lwfree.cn } catch (IOException e){ } } //扫描完成后，显示扫描完成，并将“确定”按钮设置为可用 if (i==MAX_port+Integer.parseInt(ThreadScan.maxThread.getText())){ ThreadScan.Result.append("\n"+"扫描完成..."); } } } }}149
基于多线程的java端口扫描器import java.net.*;import java.io.*;import java.awt.*;import java.awt.event.*;import javax.swing.*;
/* *实现扫描的主体程序 */public class ThreadScan{ public JFrame main=new JFrame("JAVA端口扫描器"); //显示扫描结果 public JTextArea Result=new JTextArea("",4,40); //滚动条面板 public JScrollPane resultPane = new JScrollPane(Result,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); //输入主机名文本框 public JTextField hostname=new JTextField("localhost",8); //输入ip地址前3位的输入框 public JTextField fromip1=new JTextField("0",3); //输入ip地址4~6位的输入框 public JTextField fromip2=new JTextField("0",3); //输入ip地址7~9位的输入框 public JTextField fromip3=new JTextField("0",3); //输入起始ip地址最后4位的输入框 public JTextField fromip4=new JTextField("0",3); //输入目标ip地址最后4位的输入框 public JTextField toip=new JTextField("0",3); //输入最小端口的输入框 public JTextField minPort=new JTextField("0",4); //输入最大端口的输入框 public JTextField maxPort=new JTextField("1000",4); //输入最大线程数量的输入框 public JTextField maxThread=new JTextField("100",3); //错误提示框 public JDialog DLGError=new JDialog(main,"错误!"); public JLabel DLGINFO=new JLabel(""); public JLabel type=new JLabel("请选择："); //扫描类型 public JRadioButton radioIp = new JRadioButton("IP地址："); public JRadioButton radioHost = new JRadioButton("主机名：",true); //单选框组 public ButtonGroup group = new ButtonGroup();
public JLabel P1=new JLabel("端口范围:"); public JLabel P2=new JLabel("~"); public JLabel P3=new JLabel("~"); public JLabel Pdot1 = new JLabel("."); public JLabel Pdot2 = new JLabel("."); public JLabel Pdot3 = new JLabel("."); public JLabel TNUM=new JLabel("线程数:"); public JLabel RST=new JLabel("扫描结果: "); public JLabel con=new JLabel(" ");
//定义按钮 public JButton OK = new JButton("确定"); public JButton Submit = new JButton("开始扫描"); public JButton Cancel = new JButton("退出"); public JButton saveButton = new JButton("保存扫描结果");
//菜单栏 public JMenuBar myBar = new JMenuBar(); public JMenu myMenu = new JMenu("文件(F)"); public JMenuItem saveItem = new JMenuItem("保存扫描结果(S)"); public JMenuItem exitItem = new JMenuItem("退出(Q)"); public JMenu myMenu2 = new JMenu("帮助"); public JMenuItem helpItem = new JMenuItem("阅读");
public void main(String[] args){
main.setSize(500,400); main.setLocation(300,300); main.setResizable(false); main.setLayout(new GridBagLayout()); main.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); DLGError.setSize(300,100); DLGError.setLocation(400,400);
//添加“菜单栏” myMenu.add(saveItem); myMenu.add(exitItem);
myMenu2.add(helpItem);
myBar.add(myMenu); myBar.add(myMenu2); main.setJMenuBar(myBar);
//设置热键 myMenu.setMnemonic('F'); saveItem.setMnemonic ('S'); //为“另存为”组件设置快捷键为ctrl+s saveItem.setAccelerator (KeyStroke.getKeyStroke (KeyEvent.VK_S,InputEvent.CTRL_MASK)); exitItem.setMnemonic('Q'); exitItem.setAccelerator (KeyStroke.getKeyStroke (KeyEvent.VK_E,InputEvent.CTRL_MASK));
//采用表格包型布局 Container mPanel = main.getContentPane(); GridBagConstraints c = new GridBagConstraints(); c.insets = new Insets(10,0,0,10);
c.gridx = 0; c.gridy = 0; c.gridwidth = 10; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(type,c);
group.add(radioIp); group.add(radioHost);
c.gridx = 0; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(radioIp,c);
c.gridx = 1; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(fromip1,c);
c.gridx = 2; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(Pdot1,c);
c.gridx = 3; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(fromip2,c);
c.gridx = 4; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(Pdot2,c);
c.gridx = 5; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(fromip3,c);
c.gridx = 6; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(Pdot3,c);
c.gridx = 7; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(fromip4,c);
c.gridx = 8; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(P2,c);
c.gridx = 9; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(toip,c);
c.gridx = 0; c.gridy = 2; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(radioHost,c);
c.gridx = 1; c.gridy = 2; c.gridwidth = 3; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(hostname,c);
c.gridx = 0; c.gridy = 3; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(P1,c);
c.gridx = 1; c.gridy = 3; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(minPort,c);
c.gridx = 2; c.gridy = 3; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(P3,c);
c.gridx = 3; c.gridy = 3; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(maxPort,c);
c.gridx = 0; c.gridy = 4; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(TNUM,c);
c.gridx = 1; c.gridy = 4; c.gridwidth = 3; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(maxThread,c);
c.gridx = 0; c.gridy = 5; c.gridwidth = 3; c.fill = GridBagConstraints.VERTICAL; c.anchor = GridBagConstraints.CENTER; mPanel.add(Submit,c); c.gridx = 3; c.gridy = 5; c.gridwidth = 3; c.fill = GridBagConstraints.VERTICAL; c.anchor = GridBagConstraints.CENTER; mPanel.add(saveButton,c);
c.gridx = 6; c.gridy = 5; c.gridwidth = 4; c.fill = GridBagConstraints.VERTICAL; c.anchor = GridBagConstraints.CENTER; mPanel.add(Cancel,c);
c.gridx = 0; c.gridy = 6; c.gridwidth = 10; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(RST,c);
//设置文本区域可以换行 Result.setLineWrap(true); //设置文本区域不可编辑 Result.setEditable(false);
c.gridx = 0; c.gridy = 7; c.gridwidth = 10; c.gridheight = 4; c.fill = GridBagConstraints.VERTICAL; c.anchor = GridBagConstraints.CENTER; mPanel.add(resultPane,c);
Container dPanel = DLGError.getContentPane(); dPanel.setLayout(new FlowLayout(FlowLayout.CENTER)); dPanel.add(DLGINFO); dPanel.add(OK);
Submit.addActionListener(new SubmitAction()); Cancel.addActionListener(new CancleAction()); OK.addActionListener(new OKAction());
//实现保存功能 saveItem.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { JFileChooser fc=new JFileChooser(); int returnVal=fc.showSaveDialog(null); //点击“保存” if(returnVal == 0){ File saveFile=fc.getSelectedFile(); try { FileWriter writeOut = new FileWriter(saveFile); writeOut.write(ThreadScan.Result.getText()); writeOut.close(); } catch (IOException ex) { System.out.println("保存失败"); } } //点击“取消” else return; } });
//实现退出功能 exitItem.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.exit(0); } });
//实现帮助功能 helpItem.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { new AboutDialog(); } });
saveButton.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { JFileChooser fc=new JFileChooser(); int returnVal=fc.showSaveDialog(null); //点击“保存” if(returnVal == 0){ File saveFile=fc.getSelectedFile(); try { FileWriter writeOut = new FileWriter(saveFile); writeOut.write(ThreadScan.Result.getText()); writeOut.close(); } catch (IOException ex) { System.out.println("保存失败"); } } //点击“取消” else return; } });
main.setVisible(true); }}
/* *实现“取消”功能 *退出程序 */class CancleAction implements ActionListener{
public void actionPerformed (ActionEvent e){ System.exit(0); }}
/* *实现“确定”功能 *完成扫描 */class SubmitAction implements ActionListener{
public void actionPerformed (ActionEvent a){
int minPort; int maxPort; int maxThread;
int ip1 = 0; int ip2 = 0; int ip3 = 0; int ipstart = 0; int ipend = 0; String ipaddress = ""; String hostname = "";
ThreadScan.Result.setText(""); //将"确定"按钮设置成为不可用 if(ThreadScan.Submit.isEnabled()){ ThreadScan.Submit.setEnabled(false); }
/* *判断搜索的类型 *按照ip地址扫描：type = 0 *按照主机名称扫描：type = 1 */ if(ThreadScan.radioIp.isSelected()){ TCPThread.type = 0;
//判断ip的前3位是否为int型 try{ ip1=Integer.parseInt(fromip1.getText()); } catch(NumberFormatException e){ ThreadScan.DLGINFO.setText("错误的ip!"); ThreadScan.DLGError.setVisible(true); return; }
//判断ip的4~6位是否为int型 try{ ip2=Integer.parseInt(fromip2.getText()); } catch(NumberFormatException e){ ThreadScan.DLGINFO.setText("错误的ip!"); ThreadScan.DLGError.setVisible(true); return; }
//判断ip的7~9位是否为int型 try{ ip3=Integer.parseInt(fromip3.getText()); } catch(NumberFormatException e){ ThreadScan.DLGINFO.setText("错误的ip!"); ThreadScan.DLGError.setVisible(true); return; }
//判断起始ip的最后4位是否为int型 try{ ipstart=Integer.parseInt(fromip4.getText()); } catch(NumberFormatException e){ ThreadScan.DLGINFO.setText("错误的ip!"); ThreadScan.DLGError.setVisible(true); return; } //判断目标ip的最后4位是否为int型 try{ ipend=Integer.parseInt(toip.getText()); } catch(NumberFormatException e){ ThreadScan.DLGINFO.setText("错误的目标ip!"); ThreadScan.DLGError.setVisible(true); return; } //判断起始ip是否正确 //判断条件：大于0且小于等于255 if(ip1<0 || ip1>255||ip2<0 || ip2>255||ip3<0 || ip3>255||ipstart<0 || ipstart>255){ ThreadScan.DLGINFO.setText(" ip地址为0-255的整数! "); ThreadScan.DLGError.setVisible(true); return; } else{ TCPThread.ip1 = ip1; TCPThread.ip2 = ip2; TCPThread.ip3 = ip3; TCPThread.ipstart = ipstart; }
//判断目标ip是否正确 //判断条件：大于0且小于等于255 if(ipend<0 || ipend>255){ ThreadScan.DLGINFO.setText(" 目标ip地址为0-255的整数! "); ThreadScan.DLGError.setVisible(true); return; } else{ TCPThread.ipend = ipend; } ipaddress = "" + ip1 + ip2 + ip3 + ipstart; /* *判断ip地址的有效性 */ try{ TCPThread.hostAddress=InetAddress.getByName(ipaddress); } catch(UnknownHostException e){ ThreadScan.DLGINFO.setText(" 错误的IP或地址不可达! "); ThreadScan.DLGError.setVisible(true); return; } } //根据主机名进行端口扫描 if(ThreadScan.radioHost.isSelected()){ TCPThread.type = 1; /* *判断主机名称的有效性 */ try{ TCPThread.hostAddress=InetAddress.getByName(ThreadScan.hostname.getText()); } catch(UnknownHostException e){ ThreadScan.DLGINFO.setText(" 错误的域名或地址不可达! "); ThreadScan.DLGError.setVisible(true); return; } }
/* *判断端口号的有效性 */ try{ minPort=Integer.parseInt(ThreadScan.minPort.getText()); maxPort=Integer.parseInt(ThreadScan.maxPort.getText()); maxThread=Integer.parseInt(ThreadScan.maxThread.getText()); } catch(NumberFormatException e){ ThreadScan.DLGINFO.setText("错误的端口号或线程数!端口号和线程数必须为整数!"); ThreadScan.DLGError.setVisible(true); return; } /* *判断最小端口号的有效范围 *判断条件：大于0且小于65535，最大端口应大于最小端口 */ if(minPort<0 || minPort>65535 || minPort>maxPort){ ThreadScan.DLGINFO.setText("最小端口必须是0-65535并且小于最大端口的整数!"); ThreadScan.DLGError.setVisible(true);www.lwfree.cn */ if(maxPort<0 || maxPort>65535 || maxPort
/* *判断线程数量的有效范围 *判断条件：大于1且小于200 */ if(maxThread<1 || maxThread>200){ ThreadScan.DLGINFO.setText(" 线程数为1-200的整数! "); ThreadScan.DLGError.setVisible(true); return; }
ThreadScan.Result.append("线程数 "+ThreadScan.maxThread.getText()+"\n"); //启动线程 for(int i=0;i/* *实现错误提示框中的“确定”按钮功能 */class OKAction implements ActionListener{
public void actionPerformed (ActionEvent e){ ThreadScan.DLGError.dispose(); }}
java端口扫描器import javax.swing.*;import java.awt.*;
/* **“关于”窗口 */public class AboutDialog extends JDialog{ JPanel jMainPane = new JPanel();
JTabbedPane jTabbedPane = new JTabbedPane(); private JPanel jPanel1 = new JPanel(); private JPanel jPanel2 = new JPanel();
private JTextArea jt1 = new JTextArea(6,6); private JTextArea jt2 = new JTextArea(6,6);
/* **构造函数 */ public AboutDialog() { setTitle("端口扫描"); setSize(300,200); setResizable(false);www.lwfree.cn jt1.setSize(260,200); jt2.setSize(260,200); jt1.setEditable(false); jt2.setEditable(false); jt1.setLineWrap(true); jt2.setLineWrap(true);
jt1.setText("用同一信息对目标计算机的所有所需扫描的端口进行发送，然后根据返回端口状态来分析目标计算机的端口是否打开、是否可用。"); jt2.setText("1、选择扫描方式\n"+"2、点击“开始扫描”\n"+"3、点击“保存扫描结果”进行扫描结果的保存");
jt1.setFont(new Font("楷体_GB2312", java.awt.Font.BOLD, 13)); jt1.setForeground(Color.blue);
jt2.setFont(new Font("楷体_GB2312", java.awt.Font.BOLD, 13)); jt2.setForeground(Color.black); jPanel1.add(jt1); jPanel2.add(jt2); jTabbedPane.setSize(300,200); jTabbedPane.addTab("扫描原理", null, jPanel1, null); jTabbedPane.addTab("使用说明", null, jPanel2, null); jMainPane.add(jTabbedPane); c.add(jMainPane);
pack(); this.setVisible(true); }}
java端口扫描器import java.net.*;import java.io.*;import java.awt.*;import java.awt.event.*;import javax.swing.*;
public class TCPThread extends Thread{ public static InetAddress hostAddress; //最小的端口号 public static int MIN_port; //最大的端口号 public static int MAX_port; //线程总数 private int threadnum; //查询方式：0为ip；1为主机名 public static int type;
//ip地址前3位 public static int ip1; //ip地址4~6位 public static int ip2; //ip地址7~9位 public static int ip3; //起始ip地址的最后4位 public static int ipstart; //结束ip地址的最后4位 public static int ipend; //完整的ip地址 public static String ipAll;
//扫描的主机名称或ip String hostname = ""; //端口的类别 String porttype = "0"; /* *构造函数 */ public TCPThread(String name,int threadnum){ super(name); this.threadnum = threadnum; } /* *运行函数 */ public void run() { //ip地址 int h = 0; //端口号 int i = 0; Socket theTCPsocket;
//根据ip地址进行扫描 if(type == 0){ //ip地址循环扫描 for(h = ipstart; h <=ipend; h++){ //组成完整的ip地址 ipAll = "" + ip1 + "." + ip2 + "." + ip3 + "." + h; hostname = ipAll; try{ //在给定主机名的情况下确定主机的 IP 地址 hostAddress=InetAddress.getByName(ipAll); } catch(UnknownHostException e){ } //不同的端口循环扫描 for (i = MIN_port+threadnum; i < MAX_port + Integer.parseInt(ThreadScan.maxThread.getText()); i += Integer.parseInt(ThreadScan.maxThread.getText())){
try{ theTCPsocket=new Socket(hostAddress,i); theTCPsocket.close(); ThreadScan.Result.append(hostname+":"+i); //判断端口的类别 switch(i){ case 21: porttype = "(FTP)"; break; case 23: porttype = "(TELNET)"; break; case 25: porttype = "(SMTP)"; break; case 80: porttype = "(HTTP)"; break; case 110: porttype = "(POP)"; break; case 139: porttype = "(netBIOS)"; break; case 1433: porttype = "(SQL Server)"; break; case 3389: porttype = "(Terminal Service)"; break; case 443: porttype = "(HTTPS)"; break; case 1521: porttype = "(Oracle)"; break; } //端口没有特定类别 if(porttype.equals("0")){ ThreadScan.Result.append("\n"); } else{ ThreadScan.Result.append(":"+porttype+"\n"); } } catch (IOException e){ } } } //扫描完成后，显示扫描完成，并将“确定”按钮设置为可用 if (i==MAX_port+Integer.parseInt(ThreadScan.maxThread.getText())){ ThreadScan.Result.append("\n"+"扫描完成..."); //将"确定"按钮设置成为可用 if(!ThreadScan.Submit.isEnabled()){ ThreadScan.Submit.setEnabled(true); } } } //按照主机名进行端口扫描 if(type == 1){
for (i = MIN_port+threadnum; i < MAX_port+Integer.parseInt(ThreadScan.maxThread.getText()); i += Integer.parseInt(ThreadScan.maxThread.getText())){
try{ theTCPsocket=new Socket(hostAddress,i); theTCPsocket.close(); ThreadScan.Result.append(" "+i); switch(i){ case 21: porttype = "(FTP)"; break; case 23: porttype = "(TELNET)"; break; case 25: porttype = "(SMTP)"; break; case 80: porttype = "(HTTP)"; break;www.lwfree.cn porttype = "(netBIOS)"; break; case 1433: porttype = "(SQL Server)"; break; case 3389: porttype = "(Terminal Service)"; break; case 443: porttype = "(HTTPS)"; break; case 1521: porttype = "(Oracle)"; break; } //端口没有特定类别 if(porttype.equals("0")){ ThreadScan.Result.append("\n"); } else{ ThreadScan.Result.append(":"+porttype+"\n"); } } catch (IOException e){ } } //扫描完成后，显示扫描完成，并将【确定】按钮设置为可用//将【确定】按钮设置成为可用 if(!ThreadScan.Submit.isEnabled()){ ThreadScan.Submit.setEnabled(true); } } } }}
基于多线程的java端口扫描器import java.net.*;import java.io.*;import java.awt.*;import java.awt.event.*;import javax.swing.*;
/* *实现扫描的主体程序 */public class ThreadScan{ public static JFrame main=new JFrame("JAVA端口扫描器"); //显示扫描结果 public static JTextArea Result=new JTextArea("",4,40); //滚动条面板 public static JScrollPane resultPane = new JScrollPane(Result,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); //输入主机名文本框 public static JTextField hostname=new JTextField("localhost",8); //输入ip地址前3位的输入框 public static JTextField fromip1=new JTextField("0",3); //输入ip地址4~6位的输入框 public static JTextField fromip2=new JTextField("0",3); //输入ip地址7~9位的输入框 public static JTextField fromip3=new JTextField("0",3); //输入起始ip地址最后4位的输入框 public static JTextField fromip4=new JTextField("0",3); //输入目标ip地址最后4位的输入框 public static JTextField toip=new JTextField("0",3); //输入最小端口的输入框 public static JTextField minPort=new JTextField("0",4); //输入最大端口的输入框 public static JTextField maxPort=new JTextField("1000",4); //输入最大线程数量的输入框 public static JTextField maxThread=new JTextField("100",3); //错误提示框 public static JDialog DLGError=new JDialog(main,"错误!"); public static JLabel DLGINFO=new JLabel(""); public static JLabel type=new JLabel("请选择："); //扫描类型 public static JRadioButton radioIp = new JRadioButton("IP地址："); public static JRadioButton radioHost = new JRadioButton("主机名：",true); //单选框组 public static ButtonGroup group = new ButtonGroup();
public static JLabel P1=new JLabel("端口范围:"); public static JLabel P2=new JLabel("~"); public static JLabel P3=new JLabel("~"); public static JLabel Pdot1 = new JLabel("."); public static JLabel Pdot2 = new JLabel("."); public static JLabel Pdot3 = new JLabel("."); public static JLabel TNUM=new JLabel("线程数:"); public static JLabel RST=new JLabel("扫描结果: "); public static JLabel con=new JLabel(" ");
//定义按钮 public static JButton OK = new JButton("确定"); public static JButton Submit = new JButton("开始扫描"); public static JButton Cancel = new JButton("退出"); public static JButton saveButton = new JButton("保存扫描结果");
//菜单栏 public static JMenuBar myBar = new JMenuBar(); public static JMenu myMenu = new JMenu("文件(F)"); public static JMenuItem saveItem = new JMenuItem("保存扫描结果(S)"); public static JMenuItem exitItem = new JMenuItem("退出(Q)"); public static JMenu myMenu2 = new JMenu("帮助"); public static JMenuItem helpItem = new JMenuItem("阅读");
public static void main(String[] args){
main.setSize(500,400); main.setLocation(300,300); main.setResizable(false); main.setLayout(new GridBagLayout()); main.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); DLGError.setSize(300,100); DLGError.setLocation(400,400);
//添加“菜单栏” myMenu.add(saveItem); myMenu.add(exitItem);
myMenu2.add(helpItem);
myBar.add(myMenu); myBar.add(myMenu2); main.setJMenuBar(myBar);
//设置热键 myMenu.setMnemonic('F'); saveItem.setMnemonic ('S'); //为“另存为”组件设置快捷键为ctrl+s saveItem.setAccelerator (KeyStroke.getKeyStroke (KeyEvent.VK_S,InputEvent.CTRL_MASK)); exitItem.setMnemonic('Q'); exitItem.setAccelerator (KeyStroke.getKeyStroke (KeyEvent.VK_E,InputEvent.CTRL_MASK));
//采用表格包型布局 Container mPanel = main.getContentPane(); GridBagConstraints c = new GridBagConstraints(); c.insets = new Insets(10,0,0,10);
c.gridx = 0; c.gridy = 0; c.gridwidth = 10; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(type,c);
group.add(radioIp); group.add(radioHost);
c.gridx = 0; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(radioIp,c);
c.gridx = 1; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(fromip1,c);
c.gridx = 2; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(Pdot1,c);
c.gridx = 3; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(fromip2,c);
c.gridx = 4; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(Pdot2,c);
c.gridx = 5; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(fromip3,c);
c.gridx = 6; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(Pdot3,c);
c.gridx = 7; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(fromip4,c);
c.gridx = 8; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(P2,c);
c.gridx = 9; c.gridy = 1; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(toip,c);
c.gridx = 0; c.gridy = 2; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(radioHost,c);
c.gridx = 1; c.gridy = 2; c.gridwidth = 3; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(hostname,c);
c.gridx = 0; c.gridy = 3; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(P1,c);
c.gridx = 1; c.gridy = 3; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(minPort,c);
c.gridx = 2; c.gridy = 3; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(P3,c);
c.gridx = 3; c.gridy = 3; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(maxPort,c);
c.gridx = 0; c.gridy = 4; c.gridwidth = 1; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(TNUM,c);
c.gridx = 1; c.gridy = 4; c.gridwidth = 3; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(maxThread,c);
c.gridx = 0; c.gridy = 5; c.gridwidth = 3; c.fill = GridBagConstraints.VERTICAL; c.anchor = GridBagConstraints.CENTER; mPanel.add(Submit,c); c.gridx = 3; c.gridy = 5; c.gridwidth = 3; c.fill = GridBagConstraints.VERTICAL; c.anchor = GridBagConstraints.CENTER; mPanel.add(saveButton,c);
c.gridx = 6; c.gridy = 5; c.gridwidth = 4; c.fill = GridBagConstraints.VERTICAL; c.anchor = GridBagConstraints.CENTER; mPanel.add(Cancel,c);
c.gridx = 0; c.gridy = 6; c.gridwidth = 10; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.CENTER; mPanel.add(RST,c);
//设置文本区域可以换行 Result.setLineWrap(true); //设置文本区域不可编辑 Result.setEditable(false);
c.gridx = 0; c.gridy = 7; c.gridwidth = 10; c.gridheight = 4; c.fill = GridBagConstraints.VERTICAL; c.anchor = GridBagConstraints.CENTER; mPanel.add(resultPane,c);
Container dPanel = DLGError.getContentPane(); dPanel.setLayout(new FlowLayout(FlowLayout.CENTER)); dPanel.add(DLGINFO); dPanel.add(OK);
Submit.addActionListener(new SubmitAction()); Cancel.addActionListener(new CancleAction()); OK.addActionListener(new OKAction());
//实现保存功能 saveItem.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { JFileChooser fc=new JFileChooser(); int returnVal=fc.showSaveDialog(null); //点击“保存” if(returnVal == 0){ File saveFile=fc.getSelectedFile(); try { FileWriter writeOut = new FileWriter(saveFile); writeOut.write(ThreadScan.Result.getText()); writeOut.close(); } catch (IOException ex) { System.out.println("保存失败"); } } //点击“取消” else return; } });
//实现退出功能 exitItem.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { System.exit(0); } });
//实现帮助功能 helpItem.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { new AboutDialog(); } });
saveButton.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) { JFileChooser fc=new JFileChooser(); int returnVal=fc.showSaveDialog(null); //点击“保存” if(returnVal == 0){ File saveFile=fc.getSelectedFile(); try { FileWriter writeOut = new FileWriter(saveFile); writeOut.write(ThreadScan.Result.getText()); writeOut.close(); } catch (IOException ex) { System.out.println("保存失败"); } } //点击“取消” else return; } });
main.setVisible(true); }}
/* *实现“取消”功能 *退出程序 */class CancleAction implements ActionListener{
public void actionPerformed (ActionEvent e){ System.exit(0); }}
/* *实现“确定”功能 *完成扫描 */class SubmitAction implements ActionListener{
public void actionPerformed (ActionEvent a){
int minPort; int maxPort; int maxThread;
int ip1 = 0; int ip2 = 0; int ip3 = 0; int ipstart = 0; int ipend = 0; String ipaddress = ""; String hostname = "";
ThreadScan.Result.setText(""); //将"确定"按钮设置成为不可用 if(ThreadScan.Submit.isEnabled()){ ThreadScan.Submit.setEnabled(false); }
/* *判断搜索的类型 *按照ip地址扫描：type = 0 *按照主机名称扫描：type = 1 */ if(ThreadScan.radioIp.isSelected()){ TCPThread.type = 0;
//判断ip的前3位是否为int型 try{ ip1=Integer.parseInt(ThreadScan.fromip1.getText()); } catch(NumberFormatException e){ ThreadScan.DLGINFO.setText("错误的ip!"); ThreadScan.DLGError.setVisible(true); return; }
//判断ip的4~6位是否为int型 try{ ip2=Integer.parseInt(ThreadScan.fromip2.getText()); } catch(NumberFormatException e){ ThreadScan.DLGINFO.setText("错误的ip!"); ThreadScan.DLGError.setVisible(true); return; }
//判断ip的7~9位是否为int型 try{ ip3=Integer.parseInt(ThreadScan.fromip3.getText()); } catch(NumberFormatException e){ ThreadScan.DLGINFO.setText("错误的ip!"); ThreadScan.DLGError.setVisible(true); return; }
//判断起始ip的最后4位是否为int型 try{ ipstart=Integer.parseInt(ThreadScan.fromip4.getText()); } catch(NumberFormatException e){ ThreadScan.DLGINFO.setText("错误的ip!"); ThreadScan.DLGError.setVisible(true); return; } //判断目标ip的最后4位是否为int型 try{ ipend=Integer.parseInt(ThreadScan.toip.getText()); } catch(NumberFormatException e){ ThreadScan.DLGINFO.setText("错误的目标ip!"); ThreadScan.DLGError.setVisible(true); return; } //判断起始ip是否正确 //判断条件：大于0且小于等于255 if(ip1<0 || ip1>255||ip2<0 || ip2>255||ip3<0 || ip3>255||ipstart<0 || ipstart>255){ ThreadScan.DLGINFO.setText(" ip地址为0-255的整数! "); ThreadScan.DLGError.setVisible(true); return; } else{ TCPThread.ip1 = ip1; TCPThread.ip2 = ip2; TCPThread.ip3 = ip3; TCPThread.ipstart = ipstart; }
//判断目标ip是否正确 //判断条件：大于0且小于等于255 if(ipend<0 || ipend>255){ ThreadScan.DLGINFO.setText(" 目标ip地址为0-255的整数! "); ThreadScan.DLGError.setVisible(true); return; } else{ TCPThread.ipend = ipend; } ipaddress = "" + ip1 + ip2 + ip3 + ipstart; /* *判断ip地址的有效性 */ try{ TCPThread.hostAddress=InetAddress.getByName(ipaddress); } catch(UnknownHostException e){ ThreadScan.DLGINFO.setText(" 错误的IP或地址不可达! "); ThreadScan.DLGError.setVisible(true); return; } } //根据主机名进行端口扫描 if(ThreadScan.radioHost.isSelected()){ TCPThread.type = 1; /* *判断主机名称的有效性 */ try{ TCPThread.hostAddress=InetAddress.getByName(ThreadScan.hostname.getText()); } catch(UnknownHostException e){ ThreadScan.DLGINFO.setText(" 错误的域名或地址不可达! "); ThreadScan.DLGError.setVisible(true); return; } }
/* *判断端口号的有效性 maxThread=Integer.parseInt(ThreadScan.maxThread.getText()); } catch(NumberFormatException e){ ThreadScan.DLGINFO.setText("错误的端口号或线程数!端口号和线程数必须为整数!"); ThreadScan.DLGError.setVisible(true); return; } /* *判断最小端口号的有效范围 *判断条件：大于0且小于65535，最大端口应大于最小端口 */www.lwfree.cn } else{ TCPThread.MIN_port=minPort; }
/* *判断最大端口号的有效范围 *判断条件：大于0且小于65535，最大端口应大于最小端口 */ if(maxPort<0 || maxPort>65535 || maxPort /* *判断线程数量的有效范围 *判断条件：大于1且小于200 */ if(maxThread<1 || maxThread>200){ ThreadScan.DLGINFO.setText(" 线程数为1-200的整数! "); ThreadScan.DLGError.setVisible(true); return; }
ThreadScan.Result.append("线程数 "+ThreadScan.maxThread.getText()+"\n"); //启动线程 for(int i=0;i/* *实现错误提示框中的“确定”按钮功能 */class OKAction implements ActionListener{
public void actionPerformed (ActionEvent e){ ThreadScan.DLGError.dispose(); }}
