moduleterminalimpl.java

一个非常好的ssh客户端实现

/******************************************************************************
 *
 * Copyright (c) 1999-2003 AppGate Network Security AB. All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code as
 * defined in and that are subject to the MindTerm Public Source License,
 * Version 2.0, (the 'License'). You may not use this file except in compliance
 * with the License.
 * 
 * You should have received a copy of the MindTerm Public Source License
 * along with this software; see the file LICENSE.  If not, write to
 * AppGate Network Security AB, Otterhallegatan 2, SE-41118 Goteborg, SWEDEN
 *
 *****************************************************************************/

package com.mindbright.application;

import java.awt.Frame;

import com.mindbright.ssh2.SSH2TerminalAdapterImpl;
import com.mindbright.ssh2.SSH2SessionChannel;
import com.mindbright.ssh2.SSH2Channel;
import com.mindbright.terminal.TerminalWin;
import com.mindbright.terminal.TerminalFrameTitle;

public class ModuleTerminalImpl extends ModuleBaseTerminal {

    private SSH2SessionChannel session;

    public void runTerminal(MindTermApp mindterm, TerminalWin terminal,
			    Frame frame, TerminalFrameTitle frameTitle)
    {
	SSH2TerminalAdapterImpl termAdapter =
	    new SSH2TerminalAdapterImpl(terminal);

	session = mindterm.getConnection().newTerminal(termAdapter);

	if(useChaff()) {
	    termAdapter.startChaff();
	}

	if(session.openStatus() != SSH2Channel.STATUS_OPEN) {
	    mindterm.alert("Failed to open session channel");
	    frame.dispose();
	    return;
	}

	boolean wantX11 =
	    Boolean.valueOf(mindterm.getProperty("x11-forward")).booleanValue();

	if(wantX11) {
	    mindterm.getTransport().getLog().info(mindterm.getAppName(),
						  "got X11 forward? " +
					  session.requestX11Forward(false, 0));
	}
	mindterm.getTransport().getLog().info(mindterm.getAppName(),
					      "got pty? " +
			      session.requestPTY(terminal.terminalType(),
						 terminal.rows(),
						 terminal.cols(),
						 null));
	mindterm.getTransport().getLog().info(mindterm.getAppName(),
					      "got shell? " +
					      session.doShell());

	session.waitForExit(0);

	termAdapter.stopChaff();
    }

    protected boolean closeOnDisconnect() {
	return true;
    }

    public String getTitle() {
	return mindterm.getUserName() + "@" +
	    mindterm.getHost() +
	    (mindterm.getPort() != 22 ?
	     (":" + mindterm.getPort()) : "");
    }

    public boolean isAvailable(MindTermApp mindterm) {
	return mindterm.isConnected();
    }

    protected boolean haveMenus() {
	return Boolean.valueOf(mindterm.getProperty("module.terminal.havemenus")).
	    booleanValue();
    }

    public void doClose() {
	if(session != null) {
	    session.doExit(0);
	}
    }

    protected ModuleBaseTerminal newInstance() {
	return new ModuleTerminalImpl();
    }

}