1 /*

     2  * Copyright (c) 2011, 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.

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    23 

    24 /*

    25  * @test

    26  * @bug 7077640

    27  * @summary gss wrap for cfx doesn't handle rrc != 0

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

    29  * @run main/othervm RRC

    30  */

    31 

    32 import java.util.Arrays;

    33 import sun.security.jgss.GSSUtil;

    34 

    35 // The basic krb5 test skeleton you can copy from

    36 public class RRC {

    37 

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

    39 

    40         new OneKDC(null).writeJAASConf();

    41 

    42         Context c, s;

    43         c = Context.fromJAAS("client");

    44         s = Context.fromJAAS("server");

    45 

    46         c.startAsClient(OneKDC.SERVER, GSSUtil.GSS_SPNEGO_MECH_OID);

    47         s.startAsServer(GSSUtil.GSS_SPNEGO_MECH_OID);

    48 

    49         Context.handshake(c, s);

    50 

    51         byte[] msg = "i say high --".getBytes();

    52         byte[] wrapped = c.wrap(msg, false);

    53 

    54         // Simulate RRC equals to EC

    55         int rrc = wrapped[5];

    56         byte[] rotated = new byte[wrapped.length];

    57         System.arraycopy(wrapped, 0, rotated, 0, 16);

    58         System.arraycopy(wrapped, wrapped.length-rrc, rotated, 16, rrc);

    59         System.arraycopy(wrapped, 16, rotated, 16+rrc, wrapped.length-16-rrc);

    60         rotated[7] = (byte)rrc;

    61 

    62         byte[] unwrapped = s.unwrap(rotated, false);

    63         if (!Arrays.equals(msg, unwrapped)) {

    64             throw new Exception("Failure");

    65         }

    66 

    67         s.dispose();

    68         c.dispose();

    69     }

    70 }