/*
* 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.bind.gssapi;
import javax.naming.Context;
import javax.security.auth.kerberos.KerberosPrincipal;
import javax.security.sasl.AuthorizeCallback;
import org.apache.directory.server.core.CoreSession;
import org.apache.directory.server.core.LdapPrincipal;
import org.apache.directory.server.kerberos.shared.store.PrincipalStoreEntry;
import org.apache.directory.server.kerberos.shared.store.operations.GetPrincipal;
import org.apache.directory.server.ldap.LdapSession;
import org.apache.directory.server.ldap.handlers.bind.AbstractSaslCallbackHandler;
import org.apache.directory.server.ldap.handlers.bind.SaslConstants;
import org.apache.directory.shared.ldap.constants.AuthenticationLevel;
import org.apache.directory.shared.ldap.entry.EntryAttribute;
import org.apache.directory.shared.ldap.message.internal.InternalBindRequest;
import org.apache.directory.shared.ldap.name.DN;
import org.apache.directory.shared.ldap.util.StringTools;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class GssapiCallbackHandler extends AbstractSaslCallbackHandler
{
private static final Logger LOG = LoggerFactory.getLogger( GssapiCallbackHandler.class );
/**
* Creates a new instance of GssapiCallbackHandler.
*
* @param session the mina IO session
* @param bindRequest the bind message
* @param directoryService the directory service core
*/
public GssapiCallbackHandler( LdapSession ldapSession, CoreSession adminSession, InternalBindRequest bindRequest )
{
super( adminSession.getDirectoryService(), bindRequest );
this.ldapSession = ldapSession;
this.adminSession = adminSession;
}
protected EntryAttribute lookupPassword( String username, String password )
{
// do nothing, password not used by GSSAPI
return null;
}
protected void authorize( AuthorizeCallback authorizeCB ) throws Exception
{
LOG.debug( "Processing conversion of principal name to DN." );
String username = authorizeCB.getAuthorizationID();
// find the user's entry
GetPrincipal getPrincipal = new GetPrincipal( new KerberosPrincipal( username ) );
PrincipalStoreEntry entry = ( PrincipalStoreEntry ) getPrincipal.execute( adminSession, new DN( ldapSession
.getLdapServer().getSearchBaseDn() ) );
String bindDn = entry.getDistinguishedName();
LOG.debug( "Converted username {} to DN {}.", username, bindDn );
LdapPrincipal ldapPrincipal = new LdapPrincipal( new DN( entry.getDistinguishedName() ),
AuthenticationLevel.STRONG, StringTools.EMPTY_BYTES );
ldapSession.putSaslProperty( SaslConstants.SASL_AUTHENT_USER, ldapPrincipal );
ldapSession.putSaslProperty( Context.SECURITY_PRINCIPAL, bindDn );
authorizeCB.setAuthorizedID( bindDn );
authorizeCB.setAuthorized( true );
}
}