429 lines
15 KiB
Java
429 lines
15 KiB
Java
/*
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* Copyright (c) 2003, 2019, 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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//
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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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/*
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* @test
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* @bug 4495742 8190492
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* @summary Demonstrate SSLEngine switch from no client auth to client auth.
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* @run main/othervm NoAuthClientAuth SSLv3
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* @run main/othervm NoAuthClientAuth TLSv1
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* @run main/othervm NoAuthClientAuth TLSv1.1
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* @run main/othervm NoAuthClientAuth TLSv1.2
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* @author Brad R. Wetmore
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*/
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/**
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* A SSLEngine usage example which simplifies the presentation
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* by removing the I/O and multi-threading concerns.
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*
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* The test creates two SSLEngines, simulating a client and server.
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* The "transport" layer consists two byte buffers: think of them
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* as directly connected pipes.
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*
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* Note, this is a *very* simple example: real code will be much more
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* involved. For example, different threading and I/O models could be
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* used, transport mechanisms could close unexpectedly, and so on.
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*
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* When this application runs, notice that several messages
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* (wrap/unwrap) pass before any application data is consumed or
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* produced. (For more information, please see the SSL/TLS
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* specifications.) There may several steps for a successful handshake,
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* so it's typical to see the following series of operations:
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*
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* client server message
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* ====== ====== =======
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* wrap() ... ClientHello
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* ... unwrap() ClientHello
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* ... wrap() ServerHello/Certificate
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* unwrap() ... ServerHello/Certificate
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* wrap() ... ClientKeyExchange
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* wrap() ... ChangeCipherSpec
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* wrap() ... Finished
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* ... unwrap() ClientKeyExchange
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* ... unwrap() ChangeCipherSpec
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* ... unwrap() Finished
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* ... wrap() ChangeCipherSpec
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* ... wrap() Finished
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* unwrap() ... ChangeCipherSpec
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* unwrap() ... Finished
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*
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* In this example, we do a rehandshake and make sure that completes
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* correctly.
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*/
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import javax.net.ssl.*;
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import javax.net.ssl.SSLEngineResult.*;
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import java.io.*;
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import java.security.*;
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import java.nio.*;
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// Note that this test case depends on JSSE provider implementation details.
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public class NoAuthClientAuth {
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/*
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* Enables logging of the SSLEngine operations.
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*/
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private static boolean logging = true;
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/*
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* Enables the JSSE system debugging system property:
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*
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* -Djavax.net.debug=all
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*
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* This gives a lot of low-level information about operations underway,
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* including specific handshake messages, and might be best examined
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* after gaining some familiarity with this application.
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*/
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private static boolean debug = true;
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private SSLContext sslc;
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private SSLEngine clientEngine; // client Engine
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private ByteBuffer clientOut; // write side of clientEngine
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private ByteBuffer clientIn; // read side of clientEngine
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private SSLEngine serverEngine; // server Engine
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private ByteBuffer serverOut; // write side of serverEngine
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private ByteBuffer serverIn; // read side of serverEngine
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/*
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* For data transport, this example uses local ByteBuffers. This
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* isn't really useful, but the purpose of this example is to show
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* SSLEngine concepts, not how to do network transport.
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*/
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private ByteBuffer cTOs; // "reliable" transport client->server
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private ByteBuffer sTOc; // "reliable" transport server->client
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/*
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* The following is to set up the keystores.
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*/
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private static String pathToStores = "../etc";
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private static String keyStoreFile = "keystore";
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private static String trustStoreFile = "truststore";
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private static String passwd = "passphrase";
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private static String keyFilename =
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System.getProperty("test.src", ".") + "/" + pathToStores +
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"/" + keyStoreFile;
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private static String trustFilename =
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System.getProperty("test.src", ".") + "/" + pathToStores +
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"/" + trustStoreFile;
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// the specified protocol
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private static String tlsProtocol;
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/*
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* Main entry point for this test.
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*/
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public static void main(String args[]) throws Exception {
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Security.setProperty("jdk.tls.disabledAlgorithms", "");
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if (debug) {
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System.setProperty("javax.net.debug", "all");
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}
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tlsProtocol = args[0];
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NoAuthClientAuth test = new NoAuthClientAuth();
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test.runTest();
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System.out.println("Test Passed.");
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}
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/*
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* Create an initialized SSLContext to use for these tests.
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*/
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public NoAuthClientAuth() throws Exception {
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KeyStore ks = KeyStore.getInstance("JKS");
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KeyStore ts = KeyStore.getInstance("JKS");
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char[] passphrase = "passphrase".toCharArray();
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ks.load(new FileInputStream(keyFilename), passphrase);
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ts.load(new FileInputStream(trustFilename), passphrase);
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KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
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kmf.init(ks, passphrase);
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TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
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tmf.init(ts);
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SSLContext sslCtx = SSLContext.getInstance("TLS");
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sslCtx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
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sslc = sslCtx;
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}
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/*
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* Run the test.
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*
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* Sit in a tight loop, both engines calling wrap/unwrap regardless
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* of whether data is available or not. We do this until both engines
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* report back they are closed.
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*
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* The main loop handles all of the I/O phases of the SSLEngine's
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* lifetime:
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*
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* initial handshaking
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* application data transfer
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* engine closing
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*
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* One could easily separate these phases into separate
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* sections of code.
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*/
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private void runTest() throws Exception {
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createSSLEngines();
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createBuffers();
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SSLEngineResult clientResult; // results from client's last operation
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SSLEngineResult serverResult; // results from server's last operation
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/*
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* Examining the SSLEngineResults could be much more involved,
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* and may alter the overall flow of the application.
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*
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* For example, if we received a BUFFER_OVERFLOW when trying
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* to write to the output pipe, we could reallocate a larger
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* pipe, but instead we wait for the peer to drain it.
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*/
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int hsCompleted = 0;
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while (!isEngineClosed(clientEngine) ||
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!isEngineClosed(serverEngine)) {
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log("================");
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clientResult = clientEngine.wrap(clientOut, cTOs);
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log("client wrap: ", clientResult);
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runDelegatedTasks(clientResult, clientEngine);
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clientOut.rewind();
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serverResult = serverEngine.wrap(serverOut, sTOc);
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log("server wrap: ", serverResult);
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runDelegatedTasks(serverResult, serverEngine);
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serverOut.rewind();
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// Jeanfrancois:
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// Here is the main rehandshaking step.
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if (serverResult.getHandshakeStatus() ==
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HandshakeStatus.FINISHED) {
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hsCompleted++;
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log("\t" + hsCompleted + " handshake completed");
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if (hsCompleted == 1) {
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try {
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serverEngine.getSession().getPeerCertificates();
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throw new Exception("Should have got exception");
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} catch (SSLPeerUnverifiedException e) {
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System.out.println("Caught proper exception." + e);
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}
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log("\tInvalidating session, setting client auth, " +
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" starting rehandshake");
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serverEngine.getSession().invalidate();
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serverEngine.setNeedClientAuth(true);
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serverEngine.beginHandshake();
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} else if (hsCompleted == 2) {
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java.security.cert.Certificate [] certs =
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serverEngine.getSession().getPeerCertificates();
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System.out.println("Client Certificate(s) received");
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for (java.security.cert.Certificate c : certs) {
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System.out.println(c);
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}
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// log("Closing server.");
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// serverEngine.closeOutbound();
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} // nothing.
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}
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cTOs.flip();
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sTOc.flip();
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log("----");
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if (!clientEngine.isInboundDone()) {
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clientResult = clientEngine.unwrap(sTOc, clientIn);
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log("client unwrap: ", clientResult);
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runDelegatedTasks(clientResult, clientEngine);
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clientIn.clear();
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sTOc.compact();
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} else {
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sTOc.clear();
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}
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if (!serverEngine.isInboundDone()) {
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serverResult = serverEngine.unwrap(cTOs, serverIn);
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log("server unwrap: ", serverResult);
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runDelegatedTasks(serverResult, serverEngine);
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serverIn.clear();
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cTOs.compact();
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} else {
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cTOs.clear();
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}
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if (hsCompleted == 2) {
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log("Closing server.");
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serverEngine.closeOutbound();
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}
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}
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}
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/*
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* Using the SSLContext created during object creation,
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* create/configure the SSLEngines we'll use for this test.
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*/
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private void createSSLEngines() throws Exception {
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/*
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* Configure the serverEngine to act as a server in the SSL/TLS
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* handshake. Also, require SSL client authentication.
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*/
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serverEngine = sslc.createSSLEngine();
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serverEngine.setUseClientMode(false);
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serverEngine.setNeedClientAuth(false);
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// Enable all supported protocols on server side to test SSLv3
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if ("SSLv3".equals(tlsProtocol)) {
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serverEngine.setEnabledProtocols(serverEngine.getSupportedProtocols());
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}
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/*
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* Similar to above, but using client mode instead.
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*/
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clientEngine = sslc.createSSLEngine("client", 80);
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clientEngine.setUseClientMode(true);
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clientEngine.setEnabledProtocols(new String[] { tlsProtocol });
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}
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/*
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* Create and size the buffers appropriately.
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*/
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private void createBuffers() {
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/*
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* We'll assume the buffer sizes are the same
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* between client and server.
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*/
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SSLSession session = clientEngine.getSession();
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int appBufferMax = session.getApplicationBufferSize();
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int netBufferMax = session.getPacketBufferSize();
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/*
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* We'll make the input buffers a bit bigger than the max needed
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* size, so that unwrap()s following a successful data transfer
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* won't generate BUFFER_OVERFLOWS.
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*
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* We'll use a mix of direct and indirect ByteBuffers for
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* tutorial purposes only. In reality, only use direct
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* ByteBuffers when they give a clear performance enhancement.
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*/
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clientIn = ByteBuffer.allocate(appBufferMax + 50);
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serverIn = ByteBuffer.allocate(appBufferMax + 50);
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cTOs = ByteBuffer.allocateDirect(netBufferMax);
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sTOc = ByteBuffer.allocateDirect(netBufferMax);
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clientOut = ByteBuffer.wrap("Hi Server, I'm Client".getBytes());
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serverOut = ByteBuffer.wrap("Hello Client, I'm Server".getBytes());
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}
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/*
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* If the result indicates that we have outstanding tasks to do,
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* go ahead and run them in this thread.
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*/
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private static void runDelegatedTasks(SSLEngineResult result,
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SSLEngine engine) throws Exception {
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if (result.getHandshakeStatus() == HandshakeStatus.NEED_TASK) {
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Runnable runnable;
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while ((runnable = engine.getDelegatedTask()) != null) {
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log("\trunning delegated task...");
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runnable.run();
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}
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HandshakeStatus hsStatus = engine.getHandshakeStatus();
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if (hsStatus == HandshakeStatus.NEED_TASK) {
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throw new Exception(
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"handshake shouldn't need additional tasks");
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}
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log("\tnew HandshakeStatus: " + hsStatus);
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}
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}
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private static boolean isEngineClosed(SSLEngine engine) {
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return (engine.isOutboundDone() && engine.isInboundDone());
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}
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/*
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* Simple check to make sure everything came across as expected.
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*/
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private static void checkTransfer(ByteBuffer a, ByteBuffer b)
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throws Exception {
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a.flip();
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b.flip();
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if (!a.equals(b)) {
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throw new Exception("Data didn't transfer cleanly");
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} else {
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log("\tData transferred cleanly");
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}
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a.position(a.limit());
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b.position(b.limit());
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a.limit(a.capacity());
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b.limit(b.capacity());
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}
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/*
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* Logging code
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*/
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private static boolean resultOnce = true;
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private static void log(String str, SSLEngineResult result) {
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if (!logging) {
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return;
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}
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if (resultOnce) {
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resultOnce = false;
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System.out.println("The format of the SSLEngineResult is: \n" +
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"\t\"getStatus() / getHandshakeStatus()\" +\n" +
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"\t\"bytesConsumed() / bytesProduced()\"\n");
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}
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HandshakeStatus hsStatus = result.getHandshakeStatus();
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log(str +
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result.getStatus() + "/" + hsStatus + ", " +
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result.bytesConsumed() + "/" + result.bytesProduced() +
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" bytes");
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if (hsStatus == HandshakeStatus.FINISHED) {
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log("\t...ready for application data");
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}
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}
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private static void log(String str) {
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if (logging) {
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System.out.println(str);
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}
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}
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}
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