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 S4U2selfAsServer.java
29 * @run main/othervm S4U2selfAsServer krb5
30 * @run main/othervm S4U2selfAsServer spnego
31 */
32
33import java.util.Arrays;
34import java.util.HashMap;
35import java.util.List;
36import java.util.Map;
37import org.ietf.jgss.Oid;
38import sun.security.jgss.GSSUtil;
39
40public class S4U2selfAsServer {
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.PREAUTH_REQUIRED, false);
55        Map<String,List<String>> map = new HashMap<>();
56        map.put(OneKDC.SERVER + "@" + OneKDC.REALM, Arrays.asList(
57                new String[]{OneKDC.BACKEND + "@" + OneKDC.REALM}));
58        kdc.setOption(KDC.Option.ALLOW_S4U2PROXY, map);
59        kdc.setOption(KDC.Option.ALLOW_S4U2SELF, Arrays.asList(
60                new String[]{OneKDC.SERVER + "@" + OneKDC.REALM}));
61
62        Context s, b;
63        s = Context.fromJAAS("server");
64        b = Context.fromJAAS("backend");
65
66        s.startAsServer(null, mech, false);
67
68        Context p = s.impersonate(OneKDC.USER);
69
70        p.startAsClient(OneKDC.BACKEND, mech);
71        b.startAsServer(mech);
72        Context.handshake(p, b);
73
74        p.startAsClient(OneKDC.BACKEND, mech);
75        b.startAsServer(mech);
76        Context.handshake(p, b);
77    }
78}
79