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 * @modules java.base/sun.net.spi.nameservice
29 * java.base/sun.security.util
30 * java.security.jgss/sun.security.jgss
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 S4U2proxyGSS.java
37 * @run main/othervm -Djavax.security.auth.useSubjectCredsOnly=false S4U2proxyGSS krb5
38 * @run main/othervm -Djavax.security.auth.useSubjectCredsOnly=false S4U2proxyGSS spnego
39 */
40
41 import java.io.File;
42 import java.io.FileOutputStream;
43 import java.security.Security;
44 import java.util.Arrays;
45 import java.util.HashMap;
46 import java.util.List;
47 import java.util.Map;
48 import org.ietf.jgss.Oid;
49 import sun.security.jgss.GSSUtil;
50
51 public class S4U2proxyGSS {
52
53 public static void main(String[] args) throws Exception {
54 Oid mech;
55 if (args[0].equals("spnego")) {
56 mech = GSSUtil.GSS_SPNEGO_MECH_OID;
57 } else if (args[0].contains("krb5")) {
58 mech = GSSUtil.GSS_KRB5_MECH_OID;
59 } else {
60 throw new Exception("Unknown mech");
61 }
62
63 OneKDC kdc = new OneKDC(null);
64 kdc.writeJAASConf();
65 kdc.setOption(KDC.Option.PREAUTH_REQUIRED, false);
66 Map<String,List<String>> map = new HashMap<>();
67 map.put(OneKDC.SERVER + "@" + OneKDC.REALM, Arrays.asList(
68 new String[]{OneKDC.SERVER + "@" + OneKDC.REALM}));
69 kdc.setOption(KDC.Option.ALLOW_S4U2PROXY, map);
70
71 Context c, s, b;
72 System.setProperty("javax.security.auth.useSubjectCredsOnly", "false");
73 System.setProperty("java.security.auth.login.config", OneKDC.JAAS_CONF);
74 File f = new File(OneKDC.JAAS_CONF);
75 FileOutputStream fos = new FileOutputStream(f);
76 fos.write((
77 "com.sun.security.jgss.krb5.initiate {\n" +
78 " com.sun.security.auth.module.Krb5LoginModule required;\n};\n" +
79 "com.sun.security.jgss.krb5.accept {\n" +
80 " com.sun.security.auth.module.Krb5LoginModule required\n" +
81 " principal=\"" + OneKDC.SERVER + "\"\n" +
82 " useKeyTab=true\n" +
83 " storeKey=true;\n};\n"
84 ).getBytes());
85 fos.close();
86 Security.setProperty("auth.login.defaultCallbackHandler", "OneKDC$CallbackForClient");
87 c = Context.fromThinAir();
88 s = Context.fromThinAir();
89 b = Context.fromThinAir();
90 c.startAsClient(OneKDC.SERVER, mech);
91 c.x().requestCredDeleg(false);
92 s.startAsServer(mech);
93
94 Context.handshake(c, s);
95 Context p = s.delegated();
96 p.startAsClient(OneKDC.SERVER, mech);
97 b.startAsServer(mech);
98 Context.handshake(p, b);
99
100 String n1 = p.x().getSrcName().toString().split("@")[0];
101 String n2 = b.x().getSrcName().toString().split("@")[0];
102 if (!n1.equals(OneKDC.USER) || !n2.equals(OneKDC.USER)) {
103 throw new Exception("Delegation failed");
104 }
105 }
106 }