1 /*
   2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 7201053
  27  * @summary Krb5LoginModule shows NPE when both useTicketCache and storeKey
  28  *          are set to true
  29  * @modules java.base/sun.net.spi.nameservice
  30  *          java.base/sun.security.util
  31  *          java.security.jgss/sun.security.krb5
  32  *          java.security.jgss/sun.security.krb5.internal
  33  *          java.security.jgss/sun.security.krb5.internal.ccache
  34  *          java.security.jgss/sun.security.krb5.internal.crypto
  35  *          java.security.jgss/sun.security.krb5.internal.ktab
  36  * @compile -XDignore.symbol.file UseCacheAndStoreKey.java
  37  * @run main/othervm UseCacheAndStoreKey
  38  */
  39 
  40 import java.io.FileOutputStream;
  41 import javax.security.auth.login.LoginException;
  42 
  43 // The basic krb5 test skeleton you can copy from
  44 public class UseCacheAndStoreKey {
  45 
  46     public static void main(String[] args) throws Exception {
  47 
  48         new OneKDC(null).writeJAASConf();
  49 
  50         // KDC would save ccache for client
  51         System.setProperty("test.kdc.save.ccache", "cache.here");
  52         try (FileOutputStream fos = new FileOutputStream(OneKDC.JAAS_CONF)) {
  53             fos.write((
  54                 "me {\n" +
  55                 "    com.sun.security.auth.module.Krb5LoginModule required\n" +
  56                 "    principal=\"" + OneKDC.USER + "\"\n" +
  57                 "    useTicketCache=true\n" +
  58                 "    ticketCache=cache.here\n" +
  59                 "    isInitiator=true\n" +
  60                 "    storeKey=true;\n};\n"
  61                 ).getBytes());
  62         }
  63 
  64         // The first login will use default callback and succeed
  65         Context.fromJAAS("me");
  66 
  67         // The second login uses ccache and won't be able to store the keys
  68         try {
  69             Context.fromJAAS("me");
  70             throw new Exception("Should fail");
  71         } catch (LoginException le) {
  72             if (le.getMessage().indexOf("NullPointerException") >= 0
  73                     || le.getCause() instanceof NullPointerException) {
  74                 throw new Exception("NPE");
  75             }
  76         }
  77     }
  78 }