Logo Search packages:      
Sourcecode: jsch version File versions  Download package

Exec.java

/* -*-mode:java; c-basic-offset:2; -*- */
import com.jcraft.jsch.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

import java.io.*;

public class Exec{
  public static void main(String[] arg){

    String xhost="127.0.0.1";
    int xport=0;

    try{

      JSch jsch=new JSch();  

      String host=JOptionPane.showInputDialog("Enter username@hostname",
                                    System.getProperty("user.name")+
                                    "@localhost"); 
      String user=host.substring(0, host.indexOf('@'));
      host=host.substring(host.indexOf('@')+1);

      Session session=jsch.getSession(user, host, 22);

      String display=JOptionPane.showInputDialog("Enter display name", 
                                     xhost+":"+xport);
      xhost=display.substring(0, display.indexOf(':'));
      xport=Integer.parseInt(display.substring(display.indexOf(':')+1));

      session.setX11Host(xhost);
      session.setX11Port(xport+6000);

      // username and password will be given via UserInfo interface.
      UserInfo ui=new MyUserInfo();
      session.setUserInfo(ui);
      session.connect();

      String command=JOptionPane.showInputDialog("Enter command", "set|grep SSH");

      Channel channel=session.openChannel("exec");
      ((ChannelExec)channel).setCommand(command);
      channel.setXForwarding(true);

      channel.setInputStream(System.in);
      channel.setOutputStream(System.out);

      //FileOutputStream fos=new FileOutputStream("/tmp/stderr");
      //((ChannelExec)channel).setErrStream(fos);
      ((ChannelExec)channel).setErrStream(System.err);

      channel.connect();

      /*
      byte[] tmp=new byte[1];
      InputStream in = channel.getInputStream();
      while(true){
      if(channel.isEOF()) break;
      while (in.available()>0){
        in.read(tmp, 0, 1);
        System.out.print(new String(tmp, 0, 1));
      }
      }
      */
    }
    catch(Exception e){
      System.out.println(e);
    }
  }

  public static class MyUserInfo implements UserInfo{
    public String getPassword(){ return passwd; }
    public boolean promptYesNo(String str){
      Object[] options={ "yes", "no" };
      int foo=JOptionPane.showOptionDialog(null, 
             str,
             "Warning", 
             JOptionPane.DEFAULT_OPTION, 
             JOptionPane.WARNING_MESSAGE,
             null, options, options[0]);
       return foo==0;
    }
  
    String passwd;
    JTextField passwordField=(JTextField)new JPasswordField(20);

    public String getPassphrase(){ return null; }
    public boolean promptPassphrase(String message){ return true; }
    public boolean promptPassword(String message){
      Object[] ob={passwordField}; 
      int result=
        JOptionPane.showConfirmDialog(null, ob, message,
                              JOptionPane.OK_CANCEL_OPTION);
      if(result==JOptionPane.OK_OPTION){
      passwd=passwordField.getText();
      return true;
      }
      else{ return false; }
    }
    public void showMessage(String message){
      JOptionPane.showMessageDialog(null, message);
    }
  }
}

Generated by  Doxygen 1.6.0   Back to index