Java example source code file (SocketCreation.java)
The SocketCreation.java Java example source code/*
* Copyright (c) 2001, 2011, 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.
*/
/*
* @test
* @bug 4414843
* @summary This test tries all the different ways in which an SSL
* connection can be established to exercise different SSLSocketImpl
* constructors.
* @run main/othervm/timeout=300 SocketCreation
*
* SunJSSE does not support dynamic system properties, no way to re-use
* system properties in samevm/agentvm mode.
*/
import java.io.*;
import java.net.*;
import javax.net.ssl.*;
/**
* This test has been adapted from JSSEClientServerTemplate.java. It runs
* the client and server multiple times while it iterates through the
* different ways in which an SSL connection can be established.
*
* The meat of this test is contained in doClientSide() and
* doServerSide(). The loop is contained in the constructor
* SocketCreation().
*/
public class SocketCreation {
/*
* =============================================================
* Set the various variables needed for the tests, then
* specify what tests to run on each side.
*/
/*
* Should we run the client or server in a separate thread?
* Both sides can throw exceptions, but do you have a preference
* as to which side should be the main thread.
*/
static boolean separateServerThread = true;
/*
* Where do we find the keystores?
*/
static String pathToStores = "../../../../../../../etc";
static String keyStoreFile = "keystore";
static String trustStoreFile = "truststore";
static String passwd = "passphrase";
/*
* Is the server ready to serve?
*/
volatile static boolean serverReady = false;
/*
* Turn on SSL debugging?
*/
static boolean debug = false;
/*
* If the client or server is doing some kind of object creation
* that the other side depends on, and that thread prematurely
* exits, you may experience a hang. The test harness will
* terminate all hung threads after its timeout has expired,
* currently 3 minutes by default, but you might try to be
* smart about it....
*/
/*
* Accepts a connection from a client and exchanges an int with it. The
* connection can be established in one of three different ways:
* 1. As a regular SSL server socket
* 2. As an SSL server socket that is first unbound
* 3. As an SSL socket layered over a regular TCP/IP socket
*
* If the server prematurely exits, serverReady will be set to true
* to avoid infinite hangs.
*/
void doServerSide(int style) throws Exception {
Socket sslSocket = null;
// Change the for loop in SocketCreation() if you add more cases
switch (style) {
case 0:
sslSocket = acceptNormally0();
break;
case 1:
sslSocket = acceptNormally1();
break;
case 2:
sslSocket = acceptNormally2();
break;
case 3:
sslSocket = acceptUnbound();
break;
case 4:
sslSocket = acceptLayered();
break;
default:
throw new Exception("Incorrectly written test for server side!");
}
InputStream sslIS = sslSocket.getInputStream();
OutputStream sslOS = sslSocket.getOutputStream();
System.out.println("Server read: " + sslIS.read());
sslOS.write(85);
sslOS.flush();
sslSocket.close();
}
private Socket acceptNormally0() throws Exception {
SSLServerSocketFactory sslssf =
(SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
System.out.println("Server: Will call createServerSocket(int)");
ServerSocket sslServerSocket = sslssf.createServerSocket(serverPort);
serverPort = sslServerSocket.getLocalPort();
System.out.println("Server: Will accept on SSL server socket...");
serverReady = true;
Socket sslSocket = sslServerSocket.accept();
sslServerSocket.close();
return sslSocket;
}
private Socket acceptNormally1() throws Exception {
SSLServerSocketFactory sslssf =
(SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
System.out.println("Server: Will call createServerSocket(int, int)");
ServerSocket sslServerSocket = sslssf.createServerSocket(serverPort,
1);
serverPort = sslServerSocket.getLocalPort();
System.out.println("Server: Will accept on SSL server socket...");
serverReady = true;
Socket sslSocket = sslServerSocket.accept();
sslServerSocket.close();
return sslSocket;
}
private Socket acceptNormally2() throws Exception {
SSLServerSocketFactory sslssf =
(SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
System.out.println("Server: Will call createServerSocket(int, " +
" int, InetAddress)");
ServerSocket sslServerSocket = sslssf.createServerSocket(serverPort,
1,
InetAddress.getByName("localhost"));
serverPort = sslServerSocket.getLocalPort();
System.out.println("Server: Will accept on SSL server socket...");
serverReady = true;
Socket sslSocket = sslServerSocket.accept();
sslServerSocket.close();
return sslSocket;
}
private Socket acceptUnbound() throws Exception {
SSLServerSocketFactory sslssf =
(SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
System.out.println("Server: Will create unbound SSL server socket...");
ServerSocket sslServerSocket = sslssf.createServerSocket();
if (sslServerSocket.isBound())
throw new Exception("Server socket is already bound!");
System.out.println("Server: Will bind SSL server socket to port " +
serverPort + "...");
sslServerSocket.bind(new java.net.InetSocketAddress(serverPort));
if (!sslServerSocket.isBound())
throw new Exception("Server socket is not bound!");
serverReady = true;
System.out.println("Server: Will accept on SSL server socket...");
Socket sslSocket = sslServerSocket.accept();
sslServerSocket.close();
return sslSocket;
}
private Socket acceptLayered() throws Exception {
SSLSocketFactory sslsf =
(SSLSocketFactory) SSLSocketFactory.getDefault();
System.out.println("Server: Will create normal server socket bound"
+ " to port " + serverPort + "...");
ServerSocket ss = new ServerSocket(serverPort);
serverPort = ss.getLocalPort();
System.out.println("Server: Will accept on server socket...");
serverReady = true;
Socket s = ss.accept();
ss.close();
System.out.println("Server: Will layer SSLSocket on top of" +
" server socket...");
SSLSocket sslSocket =
(SSLSocket) sslsf.createSocket(s,
s.getInetAddress().getHostName(),
s.getPort(),
true);
sslSocket.setUseClientMode(false);
return sslSocket;
}
/*
* Connects to a server and exchanges an int with it. The
* connection can be established in one of three different ways:
* 1. As a regular SSL socket
* 2. As an SSL socket that is first unconnected
* 3. As an SSL socket layered over a regular TCP/IP socket
*
* If the server prematurely exits, serverReady will be set to true
* to avoid infinite hangs.
*/
void doClientSide(int style) throws Exception {
Socket sslSocket = null;
/*
* Wait for server to get started.
*/
while (!serverReady) {
Thread.sleep(50);
}
// Change the for loop in SocketCreation() if you add more cases
switch (style) {
case 0:
sslSocket = connectNormally0();
break;
case 1:
sslSocket = connectNormally1();
break;
case 2:
sslSocket = connectNormally2();
break;
case 3:
sslSocket = connectNormally3();
break;
case 4:
sslSocket = connectUnconnected();
break;
case 5:
sslSocket = connectLayered();
break;
default:
throw new Exception("Incorrectly written test for client side!");
}
InputStream sslIS = sslSocket.getInputStream();
OutputStream sslOS = sslSocket.getOutputStream();
sslOS.write(280);
sslOS.flush();
System.out.println("Client read: " + sslIS.read());
sslSocket.close();
}
private Socket connectNormally0() throws Exception {
SSLSocketFactory sslsf =
(SSLSocketFactory) SSLSocketFactory.getDefault();
System.out.println("Client: Will call createSocket(String, int)");
return sslsf.createSocket("localhost", serverPort);
}
private Socket connectNormally1() throws Exception {
SSLSocketFactory sslsf =
(SSLSocketFactory) SSLSocketFactory.getDefault();
System.out.println("Client: Will call createSocket(InetAddress, int)");
return sslsf.createSocket(InetAddress.getByName("localhost"),
serverPort);
}
private Socket connectNormally2() throws Exception {
SSLSocketFactory sslsf =
(SSLSocketFactory) SSLSocketFactory.getDefault();
System.out.println("Client: Will call createSocket(String," +
" int, InetAddress, int)");
return sslsf.createSocket("localhost", serverPort,
InetAddress.getByName("localhost"),
0);
}
private Socket connectNormally3() throws Exception {
SSLSocketFactory sslsf =
(SSLSocketFactory) SSLSocketFactory.getDefault();
System.out.println("Client: Will call createSocket(InetAddress," +
" int, InetAddress, int)");
return sslsf.createSocket(InetAddress.getByName("localhost"),
serverPort,
InetAddress.getByName("localhost"),
0);
}
private Socket connectUnconnected() throws Exception {
SSLSocketFactory sslsf =
(SSLSocketFactory) SSLSocketFactory.getDefault();
System.out.println("Client: Will call createSocket()");
Socket sslSocket = sslsf.createSocket();
if (sslSocket.isConnected())
throw new Exception("Client socket is already connected!");
System.out.println("Client: Will connect to server on port " +
serverPort + "...");
sslSocket.connect(new java.net.InetSocketAddress("localhost",
serverPort));
if (!sslSocket.isConnected())
throw new Exception("Client socket is not connected!");
return sslSocket;
}
private Socket connectLayered() throws Exception {
SSLSocketFactory sslsf =
(SSLSocketFactory) SSLSocketFactory.getDefault();
System.out.println("Client: Will connect to server on port " +
serverPort + "...");
Socket s = new Socket("localhost", serverPort);
System.out.println("Client: Will layer SSL socket on top...");
return sslsf.createSocket(s, "localhost", serverPort, true);
}
/*
* =============================================================
* The remainder is just support stuff
*/
// use any free port by default
volatile int serverPort = 0;
volatile Exception serverException = null;
volatile Exception clientException = null;
public static void main(String[] args) throws Exception {
String keyFilename =
System.getProperty("test.src", "./") + "/" + pathToStores +
"/" + keyStoreFile;
String trustFilename =
System.getProperty("test.src", "./") + "/" + pathToStores +
"/" + trustStoreFile;
System.setProperty("javax.net.ssl.keyStore", keyFilename);
System.setProperty("javax.net.ssl.keyStorePassword", passwd);
System.setProperty("javax.net.ssl.trustStore", trustFilename);
System.setProperty("javax.net.ssl.trustStorePassword", passwd);
if (debug)
System.setProperty("javax.net.debug", "all");
/*
* Start the tests.
*/
new SocketCreation();
}
Thread clientThread = null;
Thread serverThread = null;
/*
* Primary constructor, used to drive remainder of the test.
*
* Performs a loop where each iteration establishes one client-server
* connection using a particular way of socket creation. There are
* three ways in each side can create a socket:
* 1. Normal (The client has 4 variations of this and the server 3)
* 2. Unbound/Unconnected
* 3. Layered
* Each side goes through all three of them giving us a total of 5x6
* possibilites.
*/
SocketCreation() throws Exception {
for (int serverStyle = 0; serverStyle < 5; serverStyle++) {
System.out.println("-------------------------------------");
for (int clientStyle = 0; clientStyle < 6; clientStyle++) {
serverReady = false;
startServer(separateServerThread, serverStyle);
startClient(!separateServerThread, clientStyle);
/*
* Wait for other side to close down.
*/
if (separateServerThread) {
serverThread.join();
} else {
clientThread.join();
}
/*
* When we get here, the test is pretty much over.
*
* If the main thread excepted, that propagates back
* immediately. If the other thread threw an exception, we
* should report back.
*/
if (serverException != null)
throw serverException;
if (clientException != null)
throw clientException;
System.out.println();
}
}
}
void startServer(boolean newThread, final int style) throws Exception {
if (newThread) {
serverThread = new Thread() {
public void run() {
try {
doServerSide(style);
} catch (Exception e) {
/*
* Our server thread just died.
*
* Release the client, if not active already...
*/
System.err.println("Server died..." + e);
serverReady = true;
serverException = e;
}
}
};
serverThread.start();
} else {
doServerSide(style);
}
}
void startClient(boolean newThread, final int style) throws Exception {
if (newThread) {
clientThread = new Thread() {
public void run() {
try {
doClientSide(style);
} catch (Exception e) {
/*
* Our client thread just died.
*/
System.err.println("Client died...");
clientException = e;
}
}
};
clientThread.start();
} else {
doClientSide(style);
}
}
}
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