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13  * accompanied this code).
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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23 
24 /*
25  * @test
26  * @bug 7201053
27  * @summary Krb5LoginModule shows NPE when both useTicketCache and storeKey
28  *          are set to true
29  * @compile -XDignore.symbol.file UseCacheAndStoreKey.java
30  * @run main/othervm -Dsun.net.spi.nameservice.provider.1=ns,mock UseCacheAndStoreKey
31  */
32 
33 import java.io.FileOutputStream;
34 import javax.security.auth.login.LoginException;
35 
36 // The basic krb5 test skeleton you can copy from
37 public class UseCacheAndStoreKey {
38 
main(String[] args)39     public static void main(String[] args) throws Exception {
40 
41         new OneKDC(null).writeJAASConf();
42 
43         // KDC would save ccache for client
44         System.setProperty("test.kdc.save.ccache", "cache.here");
45         try (FileOutputStream fos = new FileOutputStream(OneKDC.JAAS_CONF)) {
46             fos.write((
47                 "me {\n" +
48                 "    com.sun.security.auth.module.Krb5LoginModule required\n" +
49                 "    principal=\"" + OneKDC.USER + "\"\n" +
50                 "    useTicketCache=true\n" +
51                 "    ticketCache=cache.here\n" +
52                 "    isInitiator=true\n" +
53                 "    storeKey=true;\n};\n"
54                 ).getBytes());
55         }
56 
57         // The first login will use default callback and succeed
58         Context.fromJAAS("me");
59 
60         // The second login uses ccache and won't be able to store the keys
61         try {
62             Context.fromJAAS("me");
63             throw new Exception("Should fail");
64         } catch (LoginException le) {
65             if (le.getMessage().indexOf("NullPointerException") >= 0
66                     || le.getCause() instanceof NullPointerException) {
67                 throw new Exception("NPE");
68             }
69         }
70     }
71 }
72