sshtest.java

java implements remote ssh connection ssh s

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;

import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelExec;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.UserInfo;

public class SSHTest {
	public static final UserInfo defaultUserInfo = new UserInfo() {
		public String getPassphrase() {
			return null;
		}
	
	  public String getPassword() {
		  return null;
	  	}
	  public boolean promptPassword(String arg0) {
		  return false;
	  	}
	
	  public boolean promptPassphrase(String arg0) {
		  return false;
	  	}
	
	  public boolean promptYesNo(String arg0) {
		  return true;
	  	}
	
	  public void showMessage(String arg0) {
		  
	  	}
};

	public static void main(String[] args) throws Exception {
	  String hostname = "9.186.61.85";
	  String username = "root"; 
	  String password="nim";
	
	  InputStream stdIn;		
	  PrintStream stdOut ;
	  String mgcoutput = "";		
	  Session session;		
	  Channel channel;
	    
	  JSch jsch = new JSch();

	  UserInfo ui = new MyUserInfo("nim");	
	  session = jsch.getSession(username, hostname, 22);
	  //session.setPassword(password);
	  session.setUserInfo(ui);
	  session.connect();
	  channel = session.openChannel("exec");
	  
	  
	  ((ChannelExec)channel).setCommand("nim -o define -t standalone  -a platform=chrp -a netboot_kernel=mp -a if1=\"find_net test 0\" -a cable_type1=bnc -a net_definition=\"ent 255.255.255.128 9.186.61.7 9.186.61.7\" test");
	
		channel.setInputStream(System.in);		
		channel.setOutputStream(System.out);
		channel.connect();
		
		stdIn = channel.getInputStream();	    
		stdOut = new PrintStream (channel.getOutputStream());	
		
		byte[] tmp = new byte[1024];
		
		while(true) {	    	
	    	 while(stdIn.available()>0) {	    		 
	    		int i = stdIn.read(tmp, 0, 1024);	    		
	    		System.out.print(">"+new String(tmp, 0, i));	            
	    		mgcoutput = new String(tmp,0,i).toString();	 
	    		break;
	    	 }
	    	 
	    	 if(channel.isClosed()) {
	    		 
	    		 System.out.println("exit-status: " + channel.getExitStatus());	    		 
	    		 break;	    	 
	    	 }	
	    	 
	    	 try{Thread.sleep(1000);}catch(Exception ee){ee.printStackTrace();}
	    	 
	    }	  
	  
	  session.disconnect();
 	}
	
	public static class MyUserInfo implements UserInfo
	{
		String passwd ;
		MyUserInfo(String pwd)
		{
			this.passwd = pwd;
		}
 
  		public String getPassword()
  		{ 
  			return passwd; 
  		}
  		public boolean promptYesNo(String str)
  		{
  			return true;
  		}
		public String getPassphrase()
		{ 
			return null; 
		}
  		public boolean promptPassphrase(String message)
  		{	
  			return true; 
  		}
  		public boolean promptPassword(String message)
  		{
  			return true;
  		}
  		public void showMessage(String message)
  		{
  			
  		}
 
	}

	
	
	
 
}