unregisterlisteningsocketaction.java

这是linux下ssl vpn的实现程序

/*
 *  SSL-Explorer
 *
 *  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2 of
 *  the License, or (at your option) any later version.
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
			
package com.sslexplorer.tunnels.actions;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.sslexplorer.core.CoreServlet;
import com.sslexplorer.core.actions.XMLOutputAction;
import com.sslexplorer.security.VPNSession;

public class UnregisterListeningSocketAction extends XMLOutputAction {
    final Log log = LogFactory.getLog(UnregisterListeningSocketAction.class);

    public UnregisterListeningSocketAction() {
    }

    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
                    throws Exception {

        String tunnel = request.getParameter("tunnel");

        VPNSession session = CoreServlet.getServlet().getLogonController().getVPNSession(request);

        if (session != null) {

            session.removeListeningSocket(tunnel);
            if (log.isInfoEnabled())
            	log.info("Unregistered listening socket " + tunnel);
            sendSuccess("The listening socket was unregistered", response);

        } else {
            sendError("Invalid VPN session!", response);
        }

        return null;

    }

}