498 lines
18 KiB
Java
498 lines
18 KiB
Java
/*
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* Copyright (c) 2001, 2016, 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 4366807
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* @summary Need new APIs to get/set session timeout and session cache size.
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* @run main/othervm SessionCacheSizeTests
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*/
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import java.io.*;
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import java.net.*;
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import javax.net.ssl.*;
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import java.util.*;
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import java.security.*;
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/**
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* Session cache size tests cover the following cases:
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* 1. Effect of system property javax.net.ssl.SessionCacheSize (this
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* property is not documented for public).
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* 2. Reducing the cache size, results in uncaching of sessions if #of
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* sessions present exceeds the new size.
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* 3. Increasing the cache size, results in accomodating new sessions if the
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* number of cached sessions is the current size limit.
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*
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* Invairant for passing this test is, at any given time,
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* #cached_sessions <= current_cache_size , for current_cache_size > 0
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*/
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public class SessionCacheSizeTests {
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/*
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* =============================================================
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* Set the various variables needed for the tests, then
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* specify what tests to run on each side.
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*/
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/*
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* Should we run the client or server in a separate thread?
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* Both sides can throw exceptions, but do you have a preference
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* as to which side should be the main thread.
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*/
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static boolean separateServerThread = true;
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/*
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* Where do we find the keystores?
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*/
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static String pathToStores = "../etc";
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static String keyStoreFile = "keystore";
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static String trustStoreFile = "truststore";
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static String passwd = "passphrase";
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/*
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* Is the server ready to serve?
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*/
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volatile static boolean serverReady = false;
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/*
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* Turn on SSL debugging?
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*/
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static boolean debug = false;
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/*
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* If the client or server is doing some kind of object creation
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* that the other side depends on, and that thread prematurely
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* exits, you may experience a hang. The test harness will
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* terminate all hung threads after its timeout has expired,
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* currently 3 minutes by default, but you might try to be
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* smart about it....
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*/
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/*
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* Define the server side of the test.
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*
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* If the server prematurely exits, serverReady will be set to true
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* to avoid infinite hangs.
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*/
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/*
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* A limit on the number of connections at any given time
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*/
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static int MAX_ACTIVE_CONNECTIONS = 4;
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static final int FREE_PORT = 0;
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void doServerSide(int serverConns) throws Exception {
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try (SSLServerSocket sslServerSocket =
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(SSLServerSocket) sslssf.createServerSocket(FREE_PORT)) {
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// timeout to accept a connection
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sslServerSocket.setSoTimeout(45000);
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// make sure createdPorts++ is atomic
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synchronized(serverPorts) {
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int serverPort = sslServerSocket.getLocalPort();
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System.out.printf("server #%d started on port %d%n",
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createdPorts, serverPort);
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serverPorts[createdPorts++] = serverPort;
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/*
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* Signal Client, we're ready for his connect.
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*/
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if (createdPorts == serverPorts.length) {
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serverReady = true;
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}
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}
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int read = 0;
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int nConnections = 0;
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/*
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* Divide the max connections among the available server ports.
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* The use of more than one server port ensures creation of more
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* than one session.
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*/
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SSLSession sessions [] = new SSLSession [serverConns];
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SSLSessionContext sessCtx = sslctx.getServerSessionContext();
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while (nConnections < serverConns) {
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try (SSLSocket sslSocket =
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(SSLSocket)sslServerSocket.accept()) {
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sslSocket.setSoTimeout(90000); // timeout to read
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InputStream sslIS = sslSocket.getInputStream();
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OutputStream sslOS = sslSocket.getOutputStream();
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read = sslIS.read();
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sessions[nConnections] = sslSocket.getSession();
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sslOS.write(85);
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sslOS.flush();
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nConnections++;
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}
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}
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}
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}
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/*
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* Define the client side of the test.
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*
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* If the server prematurely exits, serverReady will be set to true
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* to avoid infinite hangs.
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*/
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void doClientSide() throws Exception {
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/*
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* Wait for server to get started.
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*/
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while (!serverReady) {
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Thread.sleep(50);
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}
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int nConnections = 0;
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SSLSocket sslSockets[] = new SSLSocket [MAX_ACTIVE_CONNECTIONS];
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Vector sessions = new Vector();
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SSLSessionContext sessCtx = sslctx.getClientSessionContext();
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sessCtx.setSessionTimeout(0); // no limit
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try {
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while (nConnections < (MAX_ACTIVE_CONNECTIONS - 1)) {
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// divide the connections among the available server ports
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int serverPort = serverPorts [nConnections % (serverPorts.length)];
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System.out.printf("client #%d connects to port %d%n",
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nConnections, serverPort);
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sslSockets[nConnections] = (SSLSocket) sslsf.
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createSocket("localhost",
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serverPort);
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InputStream sslIS = sslSockets[nConnections].getInputStream();
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OutputStream sslOS = sslSockets[nConnections].getOutputStream();
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sslOS.write(237);
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sslOS.flush();
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int read = sslIS.read();
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SSLSession sess = sslSockets[nConnections].getSession();
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if (!sessions.contains(sess))
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sessions.add(sess);
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nConnections++;
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}
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System.out.println("Current cacheSize is set to: " +
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sessCtx.getSessionCacheSize());
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System.out.println();
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System.out.println("Currently cached Sessions......");
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System.out.println("============================================"
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+ "============================");
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System.out.println("Session "
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+ " Session-last-accessTime");
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System.out.println("============================================"
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+ "============================");
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checkCachedSessions(sessCtx, nConnections);
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// Change session cache size
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sessCtx.setSessionCacheSize(2);
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System.out.println("Session cache size changed to: "
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+ sessCtx.getSessionCacheSize());
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System.out.println();
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checkCachedSessions(sessCtx, nConnections);
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// Test the effect of increasing the cache size
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sessCtx.setSessionCacheSize(3);
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System.out.println("Session cache size changed to: "
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+ sessCtx.getSessionCacheSize());
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// create a new session
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int serverPort = serverPorts [nConnections % (serverPorts.length)];
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System.out.printf("client #%d connects to port %d%n",
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nConnections, serverPort);
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sslSockets[nConnections] = (SSLSocket) sslsf.
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createSocket("localhost",
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serverPort);
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InputStream sslIS = sslSockets[nConnections].getInputStream();
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OutputStream sslOS = sslSockets[nConnections].getOutputStream();
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sslOS.write(237);
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sslOS.flush();
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int read = sslIS.read();
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SSLSession sess = sslSockets[nConnections].getSession();
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if (!sessions.contains(sess))
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sessions.add(sess);
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nConnections++;
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// test the number of sessions cached against the cache size
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checkCachedSessions(sessCtx, nConnections);
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} finally {
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for (int i = 0; i < nConnections; i++) {
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if (sslSockets[i] != null) {
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sslSockets[i].close();
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}
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}
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}
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System.out.println("Session cache size tests passed");
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}
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void checkCachedSessions(SSLSessionContext sessCtx,
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int nConn) throws Exception {
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int nSessions = 0;
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Enumeration e = sessCtx.getIds();
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int cacheSize = sessCtx.getSessionCacheSize();
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SSLSession sess;
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while (e.hasMoreElements()) {
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sess = sessCtx.getSession((byte[]) e.nextElement());
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long lastAccessedTime = sess.getLastAccessedTime();
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System.out.println(sess + " "
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+ new Date(lastAccessedTime));
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nSessions++;
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}
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System.out.println("--------------------------------------------"
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+ "----------------------------");
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if ((cacheSize > 0) && (nSessions > cacheSize)) {
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// close all active connections before exiting
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for (int conn = nConn; conn < MAX_ACTIVE_CONNECTIONS; conn++) {
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SSLSocket s = (SSLSocket) sslsf.createSocket("localhost",
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serverPorts [conn % (serverPorts.length)]);
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s.close();
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}
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throw new Exception("Session cache size test failed,"
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+ " current cache size: " + cacheSize + " #sessions cached: "
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+ nSessions);
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}
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}
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/*
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* =============================================================
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* The remainder is just support stuff
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*/
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/*
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* #of ports > 1, guarantees creation of more than one session.
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* Using four ports (one per each connection), we are able to create
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* alteast four sessions.
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*/
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int serverPorts[] = new int[]{0, 0, 0, 0}; // MAX_ACTIVE_CONNECTIONS: 4
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int createdPorts = 0;
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static SSLServerSocketFactory sslssf;
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static SSLSocketFactory sslsf;
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static SSLContext sslctx;
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volatile Exception serverException = null;
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volatile Exception clientException = null;
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public static void main(String[] args) throws Exception {
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String keyFilename =
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System.getProperty("test.src", "./") + "/" + pathToStores +
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"/" + keyStoreFile;
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String trustFilename =
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System.getProperty("test.src", "./") + "/" + pathToStores +
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"/" + trustStoreFile;
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System.setProperty("javax.net.ssl.keyStore", keyFilename);
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System.setProperty("javax.net.ssl.keyStorePassword", passwd);
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System.setProperty("javax.net.ssl.trustStore", trustFilename);
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System.setProperty("javax.net.ssl.trustStorePassword", passwd);
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// test the effect of javax.net.ssl.sessionCacheSize
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System.setProperty("javax.net.ssl.sessionCacheSize", String.valueOf(0));
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sslctx = SSLContext.getInstance("TLS");
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KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
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KeyStore ks = KeyStore.getInstance("JKS");
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try (FileInputStream fis = new FileInputStream(keyFilename)) {
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ks.load(fis, passwd.toCharArray());
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}
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kmf.init(ks, passwd.toCharArray());
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sslctx.init(kmf.getKeyManagers(), null, null);
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sslssf = (SSLServerSocketFactory) sslctx.getServerSocketFactory();
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sslsf = (SSLSocketFactory) sslctx.getSocketFactory();
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if (debug)
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System.setProperty("javax.net.debug", "all");
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/*
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* Start the tests.
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*/
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new SessionCacheSizeTests();
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}
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Thread clientThread = null;
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Thread serverThread = null;
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/*
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* Primary constructor, used to drive remainder of the test.
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*
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* Fork off the other side, then do your work.
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*/
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SessionCacheSizeTests() throws Exception {
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/*
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* create the SSLServerSocket and SSLSocket factories
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*/
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/*
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* Divide the max connections among the available server ports.
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* The use of more than one server port ensures creation of more
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* than one session.
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*/
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int serverConns = MAX_ACTIVE_CONNECTIONS / (serverPorts.length);
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int remainingConns = MAX_ACTIVE_CONNECTIONS % (serverPorts.length);
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Exception startException = null;
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try {
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if (separateServerThread) {
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for (int i = 0; i < serverPorts.length; i++) {
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// distribute remaining connections among the
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// available ports
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if (i < remainingConns) {
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startServer(serverConns + 1, true);
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} else {
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startServer(serverConns, true);
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}
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}
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startClient(false);
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} else {
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startClient(true);
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for (int i = 0; i < serverPorts.length; i++) {
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if (i < remainingConns) {
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startServer(serverConns + 1, false);
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} else {
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startServer(serverConns, false);
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}
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}
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}
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} catch (Exception e) {
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startException = e;
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}
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/*
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* Wait for other side to close down.
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*/
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if (separateServerThread) {
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if (serverThread != null) {
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serverThread.join();
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}
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} else {
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if (clientThread != null) {
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clientThread.join();
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}
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}
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/*
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* When we get here, the test is pretty much over.
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*/
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Exception local;
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Exception remote;
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if (separateServerThread) {
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remote = serverException;
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local = clientException;
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} else {
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remote = clientException;
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local = serverException;
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}
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Exception exception = null;
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/*
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* Check various exception conditions.
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*/
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if ((local != null) && (remote != null)) {
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// If both failed, return the curthread's exception.
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local.initCause(remote);
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exception = local;
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} else if (local != null) {
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exception = local;
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} else if (remote != null) {
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exception = remote;
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} else if (startException != null) {
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exception = startException;
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}
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/*
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* If there was an exception *AND* a startException,
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* output it.
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*/
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if (exception != null) {
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if (exception != startException && startException != null) {
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exception.addSuppressed(startException);
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}
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throw exception;
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}
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// Fall-through: no exception to throw!
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}
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void startServer(final int nConns, boolean newThread) throws Exception {
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if (newThread) {
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serverThread = new Thread() {
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public void run() {
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try {
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doServerSide(nConns);
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} catch (Exception e) {
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/*
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* Our server thread just died.
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*
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* Release the client, if not active already...
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*/
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System.err.println("Server died...");
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e.printStackTrace();
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serverReady = true;
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serverException = e;
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}
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}
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};
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serverThread.start();
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} else {
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try {
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doServerSide(nConns);
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} catch (Exception e) {
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serverException = e;
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} finally {
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serverReady = true;
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}
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}
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}
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void startClient(boolean newThread)
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throws Exception {
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if (newThread) {
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clientThread = new Thread() {
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public void run() {
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try {
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doClientSide();
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} catch (Exception e) {
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/*
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* Our client thread just died.
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*/
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System.err.println("Client died...");
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clientException = e;
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}
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}
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};
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clientThread.start();
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} else {
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try {
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doClientSide();
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} catch (Exception e) {
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clientException = e;
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}
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}
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}
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}
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