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/*
* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// SunJSSE does not support dynamic system properties, no way to re-use
// system properties in samevm/agentvm mode.
/*
* @test
* @bug 8043758
* @summary Datagram Transport Layer Security (DTLS)
* @modules java.base/sun.security.util
* @build DTLSOverDatagram
* @run main/othervm -Djdk.tls.client.enableStatusRequestExtension=false
* NoMacInitialClientHello
*/
import java.net.DatagramPacket;
import java.net.SocketAddress;
/**
* Test that a server is able to discard invalid initial ClientHello silently.
*/
public class NoMacInitialClientHello extends DTLSOverDatagram {
boolean needInvalidRecords = true;
public static void main(String[] args) throws Exception {
System.setProperty("jdk.tls.useExtendedMasterSecret", "false");
NoMacInitialClientHello testCase = new NoMacInitialClientHello();
testCase.runTest(testCase);
}
@Override
DatagramPacket createHandshakePacket(byte[] ba, SocketAddress socketAddr) {
if (needInvalidRecords && (ba.length >= 60) &&
(ba[0] == (byte)0x16) && (ba[13] == (byte)0x01)) { // ClientHello
needInvalidRecords = false;
System.out.println("invalidate ClientHello message");
if (ba[ba.length - 1] == (byte)0xFF) {
ba[ba.length - 1] = (byte)0xFE;
} else {
ba[ba.length - 1] = (byte)0xFF;
}
}
return super.createHandshakePacket(ba, socketAddr);
}
}
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