98 lines
3.7 KiB
Java
98 lines
3.7 KiB
Java
/*
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* Copyright (c) 2016, 2021, 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 8148108
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* @summary Disable Diffie-Hellman keys less than 1024 bits
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* @library /javax/net/ssl/templates
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* @run main/othervm -Djdk.tls.ephemeralDHKeySize=legacy LegacyDHEKeyExchange
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*/
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import javax.net.ssl.SSLException;
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import javax.net.ssl.SSLHandshakeException;
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import javax.net.ssl.SSLSocket;
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import java.net.SocketException;
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import java.util.concurrent.CountDownLatch;
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public class LegacyDHEKeyExchange extends SSLSocketTemplate{
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private final CountDownLatch connDoneLatch = new CountDownLatch(2);
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private static final int LINGER_TIMEOUT = 30; // in seconds
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@Override
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protected void runServerApplication(SSLSocket socket) throws Exception {
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try {
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super.runServerApplication(socket);
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throw new Exception("Legacy DH keys (< 1024) should be restricted");
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} catch (SSLHandshakeException she) {
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String expectedExMsg = "Received fatal alert: insufficient_security";
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if (!expectedExMsg.equals(she.getMessage())) {
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throw she;
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}
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System.out.println("Expected exception thrown in server");
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} catch (SSLException | SocketException se) {
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// The client side may have closed the socket.
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System.out.println("Server exception:");
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se.printStackTrace(System.out);
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} finally {
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connDoneLatch.countDown();
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connDoneLatch.await();
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}
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}
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@Override
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protected void runClientApplication(SSLSocket socket) throws Exception {
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String[] suites = new String [] {"TLS_DHE_RSA_WITH_AES_128_CBC_SHA"};
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socket.setEnabledCipherSuites(suites);
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socket.setSoLinger(true, LINGER_TIMEOUT);
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try {
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super.runClientApplication(socket);
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throw new Exception("Legacy DH keys (< 1024) should be restricted");
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} catch (SSLHandshakeException she) {
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String expectedExMsg = "DH ServerKeyExchange does not comply to" +
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" algorithm constraints";
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if (!expectedExMsg.equals(she.getMessage())) {
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throw she;
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}
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System.out.println("Expected exception thrown in client");
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} catch (SSLException | SocketException se) {
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// The server side may have closed the socket.
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System.out.println("Client exception:");
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se.printStackTrace(System.out);
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} finally {
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connDoneLatch.countDown();
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connDoneLatch.await();
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}
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}
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public static void main(String[] args) throws Exception {
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new LegacyDHEKeyExchange().run();
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}
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}
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