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23 
24 /*
25  * @test
26  * @bug 7201053 8194486
27  * @summary Krb5LoginModule shows NPE when both useTicketCache and storeKey
28  *          are set to true
29  * @library /test/lib
30  * @compile -XDignore.symbol.file UseCacheAndStoreKey.java
31  * @run main jdk.test.lib.FileInstaller TestHosts TestHosts
32  * @run main/othervm -Djdk.net.hosts.file=TestHosts UseCacheAndStoreKey
33  */
34 
35 import java.io.FileOutputStream;
36 import javax.security.auth.login.LoginException;
37 
38 // The basic krb5 test skeleton you can copy from
39 public class UseCacheAndStoreKey {
40 
main(String[] args)41     public static void main(String[] args) throws Exception {
42 
43         new OneKDC(null).writeJAASConf();
44 
45         // KDC would save ccache for client
46         System.setProperty("test.kdc.save.ccache", "cache.here");
47         try (FileOutputStream fos = new FileOutputStream(OneKDC.JAAS_CONF)) {
48             fos.write((
49                 "me {\n" +
50                 "    com.sun.security.auth.module.Krb5LoginModule required\n" +
51                 "    principal=\"" + OneKDC.USER + "\"\n" +
52                 "    useTicketCache=true\n" +
53                 "    ticketCache=cache.here\n" +
54                 "    isInitiator=true\n" +
55                 "    storeKey=true;\n};\n"
56                 ).getBytes());
57         }
58 
59         // The first login will use default callback and succeed
60         Context.fromJAAS("me");
61 
62         // The second login uses ccache and won't be able to store the keys
63         try {
64             Context.fromJAAS("me");
65             throw new Exception("Should fail");
66         } catch (LoginException le) {
67             if (le.getMessage().indexOf("NullPointerException") >= 0
68                     || le.getCause() instanceof NullPointerException) {
69                 throw new Exception("NPE");
70             }
71         }
72     }
73 }
74