1 /*

     2  * Copyright (c) 2013, 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 8012082

    27  * @summary SASL: auth-conf negotiated, but unencrypted data is accepted,

    28   *         reset to unencrypt

    29  * @compile -XDignore.symbol.file SaslGSS.java

    30  * @run main/othervm SaslGSS

    31  */

    32 

    33 import javax.security.auth.callback.Callback;

    34 import javax.security.auth.callback.CallbackHandler;

    35 import javax.security.auth.callback.UnsupportedCallbackException;

    36 import javax.security.sasl.AuthorizeCallback;

    37 import javax.security.sasl.RealmCallback;

    38 import javax.security.sasl.Sasl;

    39 import javax.security.sasl.SaslServer;

    40 import java.io.IOException;

    41 import java.util.HashMap;

    42 import java.util.Locale;

    43 import org.ietf.jgss.*;

    44 import sun.security.jgss.GSSUtil;

    45 

    46 public class SaslGSS {

    47 

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

    49 

    50         String name = "host." + OneKDC.REALM.toLowerCase(Locale.US);

    51 

    52         new OneKDC(null).writeJAASConf();

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

    54 

    55         // Client in JGSS so that it can control wrap privacy mode

    56         GSSManager m = GSSManager.getInstance();

    57         GSSContext sc = m.createContext(

    58                         m.createName(OneKDC.SERVER, GSSUtil.NT_GSS_KRB5_PRINCIPAL),

    59                         GSSUtil.GSS_KRB5_MECH_OID,

    60                         null,

    61                         GSSContext.DEFAULT_LIFETIME);

    62         sc.requestMutualAuth(false);

    63 

    64         // Server in SASL

    65         final HashMap props = new HashMap();

    66         props.put(Sasl.QOP, "auth-conf");

    67         SaslServer ss = Sasl.createSaslServer("GSSAPI", "server",

    68                 name, props,

    69                 new CallbackHandler() {

    70                     public void handle(Callback[] callbacks)

    71                             throws IOException, UnsupportedCallbackException {

    72                         for (Callback cb : callbacks) {

    73                             if (cb instanceof RealmCallback) {

    74                                 ((RealmCallback) cb).setText(OneKDC.REALM);

    75                             } else if (cb instanceof AuthorizeCallback) {

    76                                 ((AuthorizeCallback) cb).setAuthorized(true);

    77                             }

    78                         }

    79                     }

    80                 });

    81 

    82         // Handshake

    83         byte[] token = new byte[0];

    84         token = sc.initSecContext(token, 0, token.length);

    85         token = ss.evaluateResponse(token);

    86         token = sc.unwrap(token, 0, token.length, new MessageProp(0, false));

    87         token[0] = (byte)(((token[0] & 4) != 0) ? 4 : 2);

    88         token = sc.wrap(token, 0, token.length, new MessageProp(0, false));

    89         ss.evaluateResponse(token);

    90 

    91         // Talk

    92         // 1. Client sends a auth-int message

    93         byte[] hello = "hello".getBytes();

    94         MessageProp qop = new MessageProp(0, false);

    95         token = sc.wrap(hello, 0, hello.length, qop);

    96         // 2. Server accepts it anyway

    97         ss.unwrap(token, 0, token.length);

    98         // 3. Server sends a message

    99         token = ss.wrap(hello, 0, hello.length);

   100         // 4. Client accepts, should be auth-conf

   101         sc.unwrap(token, 0, token.length, qop);

   102         if (!qop.getPrivacy()) {

   103             throw new Exception();

   104         }

   105     }

   106 }