/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.server.ldap.handlers.extended;
import java.security.KeyStore;
import java.security.Provider;
import java.security.SecureRandom;
import java.security.Security;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.apache.directory.server.core.security.CoreKeyStoreSpi;
import org.apache.directory.server.i18n.I18n;
import org.apache.directory.server.ldap.ExtendedOperationHandler;
import org.apache.directory.server.ldap.LdapServer;
import org.apache.directory.server.ldap.LdapSession;
import org.apache.directory.shared.ldap.message.ExtendedResponseImpl;
import org.apache.directory.shared.ldap.message.ResultCodeEnum;
import org.apache.directory.shared.ldap.message.internal.InternalExtendedRequest;
import org.apache.directory.shared.ldap.message.internal.InternalExtendedResponse;
import org.apache.directory.shared.ldap.message.internal.InternalLdapResult;
import org.apache.mina.core.filterchain.IoFilterChain;
import org.apache.mina.filter.ssl.SslFilter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Handler for the StartTLS extended operation.
*
* @org.apache.xbean.XBean
* @see <a href="http://www.ietf.org/rfc/rfc2830.txt">RFC 2830</a>
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class StartTlsHandler implements ExtendedOperationHandler
{
public static final String EXTENSION_OID = "1.3.6.1.4.1.1466.20037";
private static final Set<String> EXTENSION_OIDS;
private static final Logger LOG = LoggerFactory.getLogger( StartTlsHandler.class );
private SSLContext sslContext;
static
{
Set<String> set = new HashSet<String>( 3 );
set.add( EXTENSION_OID );
EXTENSION_OIDS = Collections.unmodifiableSet( set );
}
public void handleExtendedOperation( LdapSession session, InternalExtendedRequest req ) throws Exception
{
LOG.info( "Handling StartTLS request." );
IoFilterChain chain = session.getIoSession().getFilterChain();
SslFilter sslFilter = ( SslFilter ) chain.get( "sslFilter" );
if( sslFilter == null )
{
sslFilter = new SslFilter( sslContext );
chain.addFirst( "sslFilter", sslFilter );
}
else
{
sslFilter.startSsl( session.getIoSession() );
}
InternalExtendedResponse res = new ExtendedResponseImpl( req.getMessageId() );
InternalLdapResult result = res.getLdapResult();
result.setResultCode( ResultCodeEnum.SUCCESS );
res.setResponseName( EXTENSION_OID );
res.setResponse( new byte[ 0 ] );
// Send a response.
session.getIoSession().setAttribute( SslFilter.DISABLE_ENCRYPTION_ONCE );
session.getIoSession().write( res );
}
class ServerX509TrustManager implements X509TrustManager
{
public void checkClientTrusted( X509Certificate[] chain, String authType ) throws CertificateException
{
LOG.debug( "checkClientTrusted() called" );
}
public void checkServerTrusted( X509Certificate[] chain, String authType ) throws CertificateException
{
LOG.debug( "checkServerTrusted() called" );
}
public X509Certificate[] getAcceptedIssuers()
{
LOG.debug( "getAcceptedIssuers() called" );
return new X509Certificate[0];
}
}
public final Set<String> getExtensionOids()
{
return EXTENSION_OIDS;
}
public final String getOid()
{
return EXTENSION_OID;
}
public void setLdapServer( LdapServer ldapServer )
{
LOG.debug( "Setting LDAP Service" );
Provider provider = Security.getProvider( "SUN" );
LOG.debug( "provider = {}", provider );
CoreKeyStoreSpi coreKeyStoreSpi = new CoreKeyStoreSpi( ldapServer.getDirectoryService() );
KeyStore keyStore = new KeyStore( coreKeyStoreSpi, provider, "JKS" ) {};
try
{
keyStore.load( null, null );
}
catch ( Exception e1 )
{
throw new RuntimeException( I18n.err( I18n.ERR_678 ) );
}
KeyManagerFactory keyManagerFactory = null;
try
{
keyManagerFactory = KeyManagerFactory.getInstance( KeyManagerFactory.getDefaultAlgorithm() );
}
catch ( Exception e )
{
throw new RuntimeException( I18n.err( I18n.ERR_679 ), e );
}
try
{
keyManagerFactory.init( keyStore, null );
}
catch ( Exception e )
{
throw new RuntimeException( I18n.err( I18n.ERR_680 ), e );
}
try
{
sslContext = SSLContext.getInstance( "TLS" );
}
catch ( Exception e )
{
throw new RuntimeException( I18n.err( I18n.ERR_681 ), e );
}
try
{
sslContext.init( keyManagerFactory.getKeyManagers(),
new TrustManager[] { new ServerX509TrustManager() },
new SecureRandom() );
}
catch ( Exception e )
{
throw new RuntimeException( I18n.err( I18n.ERR_682 ), e );
}
}
}