1 /*

     2  * Copyright (c) 2015, 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 // SunJSSE does not support dynamic system properties, no way to re-use

    25 // system properties in samevm/agentvm mode.

    26 

    27 /*

    28  * @test

    29  * @bug 8043758

    30  * @summary Datagram Transport Layer Security (DTLS)

    31  * @compile DTLSOverDatagram.java

    32  * @run main/othervm InvalidCookie

    33  */

    34 

    35 import java.net.DatagramPacket;

    36 import java.net.SocketAddress;

    37 

    38 /**

    39  * Test that if the handshake cookie in client side is incorrect, the handshake

    40  * process can continue as if the client does not use cookie.

    41  */

    42 public class InvalidCookie extends DTLSOverDatagram {

    43     boolean needInvalidCookie = true;

    44 

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

    46         InvalidCookie testCase = new InvalidCookie();

    47         testCase.runTest(testCase);

    48     }

    49 

    50     @Override

    51     DatagramPacket createHandshakePacket(byte[] ba, SocketAddress socketAddr) {

    52         if (needInvalidCookie && (ba.length >= 60) &&

    53                 (ba[0] == (byte)0x16) && (ba[13] == (byte)0x03)) {

    54             // HelloVerifyRequest

    55             needInvalidCookie = false;

    56             System.out.println("invalidate handshake verify cookie");

    57             if (ba[ba.length - 1] == (byte)0xFF) {

    58                 ba[ba.length - 1] = (byte)0xFE;

    59             } else {

    60                 ba[ba.length - 1] = (byte)0xFF;

    61             }

    62         }

    63 

    64         return super.createHandshakePacket(ba, socketAddr);

    65     }

    66 }