/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.security.auth;
import javax.security.auth.Subject;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;
import org.jboss.system.ServiceMBeanSupport;
/** An MBean that requires a JAAS login in order for it to startup. This is
* used to require authentication to startup a JBoss instance.
*
* @version $Revision: 82920 $
* @author Scott.Stark@jboss.org
*/
public class SystemAuthenticator extends ServiceMBeanSupport
implements SystemAuthenticatorMBean
{
/** The Subject that results from the login. Not used currently */
private Subject systemSubject;
/** The name of the security domain to authenticate under */
private String securityDomain;
/** The CallbackHandler that knows how to provide Callbacks for the
security domain login modules
*/
private CallbackHandler callbackHandler;
/** Get the name of the security domain used for authentication
*/
public String getSecurityDomain()
{
return this.securityDomain;
}
/** Set the name of the security domain used for authentication
*/
public void setSecurityDomain(String name)
{
this.securityDomain = name;
}
/** Get the CallbackHandler to use to obtain the authentication
information.
@see javax.security.auth.callback.CallbackHandler
*/
public Class getCallbackHandler()
{
Class clazz = null;
if( callbackHandler != null )
clazz = callbackHandler.getClass();
return clazz;
}
/** Specify the CallbackHandler to use to obtain the authentication
information.
@see javax.security.auth.callback.CallbackHandler
*/
public void setCallbackHandler(Class callbackHandlerClass)
throws InstantiationException, IllegalAccessException
{
callbackHandler = (CallbackHandler) callbackHandlerClass.newInstance();
}
protected void startService() throws Exception
{
try
{
LoginContext lc = new LoginContext(securityDomain, callbackHandler);
lc.login();
this.systemSubject = lc.getSubject();
}
catch(Throwable t)
{
log.fatal("SystemAuthenticator failed, server will shutdown NOW!", t);
LoginException le = new LoginException("SystemAuthenticator failed, msg="+t.getMessage());
Thread shutdownThread = new Thread("SystemAuthenticatorExitThread")
{
public void run()
{
System.exit(1);
}
};
shutdownThread.start();
}
}
protected void stopService() throws Exception
{
if( systemSubject != null )
{
LoginContext lc = new LoginContext(securityDomain, systemSubject, callbackHandler);
lc.logout();
}
}
}