| /* |
| * 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.kerberos.protocol; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.text.ParseException; |
| |
| import javax.security.auth.kerberos.KerberosPrincipal; |
| |
| import org.apache.directory.server.kerberos.KerberosConfig; |
| import org.apache.directory.server.kerberos.kdc.KdcServer; |
| import org.apache.directory.server.kerberos.protocol.AbstractAuthenticationServiceTest.KrbDummySession; |
| import org.apache.directory.server.kerberos.shared.crypto.encryption.CipherTextHandler; |
| import org.apache.directory.server.kerberos.shared.replay.ReplayCache; |
| import org.apache.directory.shared.kerberos.KerberosTime; |
| import org.apache.directory.shared.kerberos.codec.options.KdcOptions; |
| import org.apache.directory.shared.kerberos.components.EncTicketPart; |
| import org.apache.directory.shared.kerberos.components.EncryptionKey; |
| import org.apache.directory.shared.kerberos.components.KdcReq; |
| import org.apache.directory.shared.kerberos.components.KdcReqBody; |
| import org.apache.directory.shared.kerberos.exceptions.ErrorType; |
| import org.apache.directory.shared.kerberos.exceptions.KerberosException; |
| import org.apache.directory.shared.kerberos.messages.KrbError; |
| import org.apache.directory.shared.kerberos.messages.TgsRep; |
| import org.apache.directory.shared.kerberos.messages.Ticket; |
| import org.junit.After; |
| import org.junit.Test; |
| |
| /** |
| * Tests for configurable {@link ReplayCache}. |
| */ |
| public class TGSReplayCacheTest extends AbstractTicketGrantingServiceTest |
| { |
| private KdcServer kdcServer; |
| private KerberosProtocolHandler handler; |
| |
| /** |
| * Shutdown the Kerberos server |
| */ |
| @After |
| public void shutDown() |
| { |
| kdcServer.stop(); |
| } |
| |
| /** |
| * Tests the replay cache is used by default. |
| */ |
| @Test |
| public void testDefaultReplayCache() throws Exception |
| { |
| initKdcServer( new KerberosConfig() ); |
| |
| KdcReq message = createTgsRequest(); |
| |
| KrbDummySession session = new KrbDummySession(); |
| handler.messageReceived( session, message ); |
| assertEquals( "session.getMessage() instanceOf", TgsRep.class, session.getMessage().getClass() ); |
| |
| handler.messageReceived( session, message ); |
| Object msg = session.getMessage(); |
| assertEquals( "session.getMessage() instanceOf", KrbError.class, msg.getClass() ); |
| KrbError error = (KrbError) msg; |
| assertEquals( "Replay not detected", ErrorType.KRB_AP_ERR_REPEAT, error.getErrorCode() ); |
| } |
| |
| /** |
| * Tests the replay cache is not used if the type is explicitly set to null. |
| */ |
| @Test |
| public void testNullReplayCacheType() throws Exception |
| { |
| KerberosConfig config = new KerberosConfig(); |
| config.setReplayCacheType( null ); |
| initKdcServer( config ); |
| |
| KdcReq message = createTgsRequest(); |
| |
| KrbDummySession session = new KrbDummySession(); |
| handler.messageReceived( session, message ); |
| assertEquals( "session.getMessage() instanceOf", TgsRep.class, session.getMessage().getClass() ); |
| |
| handler.messageReceived( session, message ); |
| assertEquals( "session.getMessage() instanceOf", TgsRep.class, session.getMessage().getClass() ); |
| } |
| |
| /** |
| * Tests that custom replay cache can be set. |
| */ |
| @Test |
| public void testDummyReplayCacheType() throws Exception |
| { |
| KerberosConfig config = new KerberosConfig(); |
| config.setReplayCacheType( DisabledReplayCache.class ); |
| initKdcServer( config ); |
| |
| KdcReq message = createTgsRequest(); |
| |
| KrbDummySession session = new KrbDummySession(); |
| handler.messageReceived( session, message ); |
| assertEquals( "session.getMessage() instanceOf", TgsRep.class, session.getMessage().getClass() ); |
| |
| handler.messageReceived( session, message ); |
| assertEquals( "session.getMessage() instanceOf", TgsRep.class, session.getMessage().getClass() ); |
| |
| assertTrue( "Incorrect cache implementation", DisabledReplayCache.replayTested ); |
| } |
| |
| private KdcReq createTgsRequest() throws KerberosException, ParseException, Exception |
| { |
| // Get the mutable ticket part. |
| KerberosPrincipal clientPrincipal = new KerberosPrincipal( "hnelson@EXAMPLE.COM" ); |
| EncTicketPart encTicketPart = getTicketArchetype( clientPrincipal ); |
| |
| // Seal the ticket for the server. |
| KerberosPrincipal serverPrincipal = new KerberosPrincipal( "krbtgt/EXAMPLE.COM@EXAMPLE.COM" ); |
| String passPhrase = "randomKey"; |
| EncryptionKey serverKey = getEncryptionKey( serverPrincipal, passPhrase ); |
| Ticket tgt = getTicket( encTicketPart, serverPrincipal, serverKey ); |
| |
| KdcReqBody kdcReqBody = new KdcReqBody(); |
| kdcReqBody.setSName( getPrincipalName( "ldap/ldap.example.com@EXAMPLE.COM" ) ); |
| kdcReqBody.setRealm( "EXAMPLE.COM" ); |
| kdcReqBody.setEType( kdcServer.getConfig().getEncryptionTypes() ); |
| kdcReqBody.setNonce( random.nextInt() ); |
| kdcReqBody.setKdcOptions( new KdcOptions() ); |
| |
| long now = System.currentTimeMillis(); |
| |
| KerberosTime requestedEndTime = new KerberosTime( now + 1 * KerberosTime.DAY ); |
| kdcReqBody.setTill( requestedEndTime ); |
| |
| KdcReq message = getKdcRequest( tgt, kdcReqBody ); |
| return message; |
| } |
| |
| /** |
| * Creates a new instance of {@link KdcServer}. |
| */ |
| private void initKdcServer( KerberosConfig config ) |
| { |
| config.setBodyChecksumVerified( false ); |
| kdcServer = new KdcServer( config ); |
| handler = new KerberosProtocolHandler( kdcServer, new MapPrincipalStoreImpl() ); |
| lockBox = new CipherTextHandler(); |
| } |
| |
| public static class DisabledReplayCache implements ReplayCache |
| { |
| |
| public static volatile boolean replayTested = false; |
| |
| @Override |
| public boolean isReplay(KerberosPrincipal serverPrincipal, KerberosPrincipal clientPrincipal, KerberosTime clientTime, |
| int clientMicroSeconds) |
| { |
| replayTested = true; |
| return false; |
| } |
| |
| @Override |
| public void save(KerberosPrincipal serverPrincipal, KerberosPrincipal clientPrincipal, KerberosTime clientTime, |
| int clientMicroSeconds) |
| { |
| } |
| |
| @Override |
| public void clear() |
| { |
| } |
| |
| } |
| |
| } |