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 6355584

    27  * @summary Introduce constrained Kerberos delegation

    28  * @compile -XDignore.symbol.file S4U2selfGSS.java

    29  * @run main/othervm -Dsun.security.krb5.debug=false S4U2selfGSS krb5

    30  * @run main/othervm -Dsun.security.krb5.debug=false S4U2selfGSS spnego

    31  */

    32 

    33 import java.util.Arrays;

    34 import java.util.HashMap;

    35 import java.util.List;

    36 import java.util.Map;

    37 import org.ietf.jgss.Oid;

    38 import sun.security.jgss.GSSUtil;

    39 

    40 public class S4U2selfGSS {

    41 

    42     public static void main(String[] args) throws Exception {

    43         Oid mech;

    44         if (args[0].equals("spnego")) {

    45             mech = GSSUtil.GSS_SPNEGO_MECH_OID;

    46         } else if (args[0].contains("krb5")) {

    47             mech = GSSUtil.GSS_KRB5_MECH_OID;

    48         } else {

    49             throw new Exception("Unknown mech");

    50         }

    51 

    52         OneKDC kdc = new OneKDC(null);

    53         kdc.writeJAASConf();

    54         kdc.setOption(KDC.Option.ALLOW_S4U2SELF, Arrays.asList(

    55                 new String[]{OneKDC.USER + "@" + OneKDC.REALM}));

    56         Map<String,List<String>> map = new HashMap<>();

    57         map.put(OneKDC.USER + "@" + OneKDC.REALM, Arrays.asList(

    58                 new String[]{OneKDC.SERVER + "@" + OneKDC.REALM}));

    59         kdc.setOption(KDC.Option.ALLOW_S4U2PROXY, map);

    60 

    61         Context c, s;

    62         System.setProperty("javax.security.auth.useSubjectCredsOnly", "false");

    63         c = Context.fromThinAir();

    64         s = Context.fromThinAir();

    65 

    66         c = c.impersonate(OneKDC.USER2);

    67 

    68         c.startAsClient(OneKDC.SERVER, mech);

    69         s.startAsServer(mech);

    70 

    71         Context.handshake(c, s);

    72 

    73         String n1 = c.x().getSrcName().toString().split("@")[0];

    74         String n2 = s.x().getSrcName().toString().split("@")[0];

    75         if (!n1.equals(OneKDC.USER2) || !n2.equals(OneKDC.USER2)) {

    76             throw new Exception("Impersonate failed");

    77         }

    78 

    79         s.dispose();

    80         c.dispose();

    81     }

    82 }