russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
72 lines
2.6 KiB
Java
72 lines
2.6 KiB
Java
/*
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* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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// SunJSSE does not support dynamic system properties, no way to re-use
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// system properties in samevm/agentvm mode.
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/*
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* @test
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* @bug 8367133
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* @summary Verify that handshake succeeds when Finished message is fragmented
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* @modules java.base/sun.security.util
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* @library /test/lib
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* @build DTLSOverDatagram
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* @run main/othervm FragmentedFinished
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*/
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import javax.net.ssl.SSLEngine;
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import javax.net.ssl.SSLParameters;
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import java.net.DatagramPacket;
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import java.net.SocketAddress;
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import java.util.ArrayList;
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import java.util.List;
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public class FragmentedFinished extends DTLSOverDatagram {
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private SSLEngine serverSSLEngine;
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public static void main(String[] args) throws Exception {
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FragmentedFinished testCase = new FragmentedFinished();
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testCase.runTest(testCase);
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}
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@Override
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SSLEngine createSSLEngine(boolean isClient) throws Exception {
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SSLEngine sslEngine = super.createSSLEngine(isClient);
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if (!isClient) {
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serverSSLEngine = sslEngine;
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}
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return sslEngine;
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}
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@Override
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DatagramPacket createHandshakePacket(byte[] ba, SocketAddress socketAddr) {
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if (ba.length < 30) { // detect ChangeCipherSpec
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// Reduce the maximumPacketSize to force fragmentation
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// of the Finished message
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SSLParameters params = serverSSLEngine.getSSLParameters();
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params.setMaximumPacketSize(53);
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serverSSLEngine.setSSLParameters(params);
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}
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return super.createHandshakePacket(ba, socketAddr);
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}
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}
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