| /* |
| * 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.sasl.gssapi; |
| |
| |
| import javax.naming.Context; |
| import javax.security.auth.kerberos.KerberosPrincipal; |
| import javax.security.sasl.AuthorizeCallback; |
| |
| import org.apache.directory.api.ldap.model.constants.AuthenticationLevel; |
| import org.apache.directory.api.ldap.model.entry.Attribute; |
| import org.apache.directory.api.ldap.model.message.BindRequest; |
| import org.apache.directory.api.ldap.model.name.Dn; |
| import org.apache.directory.api.util.StringConstants; |
| import org.apache.directory.server.core.api.CoreSession; |
| import org.apache.directory.server.core.api.LdapPrincipal; |
| import org.apache.directory.server.kerberos.shared.store.PrincipalStoreEntry; |
| import org.apache.directory.server.protocol.shared.kerberos.GetPrincipal; |
| import org.apache.directory.server.ldap.LdapSession; |
| import org.apache.directory.server.ldap.handlers.sasl.AbstractSaslCallbackHandler; |
| import org.apache.directory.server.ldap.handlers.sasl.SaslConstants; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class GssapiCallbackHandler extends AbstractSaslCallbackHandler |
| { |
| private static final Logger LOG = LoggerFactory.getLogger( GssapiCallbackHandler.class ); |
| |
| |
| /** |
| * Creates a new instance of GssapiCallbackHandler. |
| * |
| * @param ldapSession the mina IO session |
| * @param adminSession the admin session |
| * @param bindRequest the bind message |
| */ |
| public GssapiCallbackHandler( LdapSession ldapSession, CoreSession adminSession, BindRequest bindRequest ) |
| { |
| super( adminSession.getDirectoryService(), bindRequest ); |
| this.ldapSession = ldapSession; |
| this.adminSession = adminSession; |
| } |
| |
| |
| protected Attribute 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( adminSession.getDirectoryService().getSchemaManager(), |
| new Dn( entry.getDistinguishedName() ), |
| AuthenticationLevel.STRONG, StringConstants.EMPTY_BYTES ); |
| ldapSession.putSaslProperty( SaslConstants.SASL_AUTHENT_USER, ldapPrincipal ); |
| ldapSession.putSaslProperty( Context.SECURITY_PRINCIPAL, bindDn ); |
| |
| authorizeCB.setAuthorizedID( bindDn ); |
| authorizeCB.setAuthorized( true ); |
| } |
| } |