/* -*-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);
}
}
}