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/*
* Copyright (c) 2021, 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 8274524
* @summary 8274524: SSLSocket.close() hangs if it is called during the ssl handshake
* @library /javax/net/ssl/templates
* @run main/othervm ClientSocketCloseHang TLSv1.2
* @run main/othervm ClientSocketCloseHang TLSv1.3
*/
import javax.net.ssl.*;
import java.net.InetAddress;
public class ClientSocketCloseHang extends SSLContextTemplate {
public static void main(String[] args) throws Exception {
System.setProperty("jdk.tls.client.protocols", args[0]);
for (int i = 0; i<= 20; i++) {
System.err.println("===================================");
System.err.println("loop " + i);
System.err.println("===================================");
new ClientSocketCloseHang().test();
}
}
private void test() throws Exception {
SSLServerSocket listenSocket = null;
SSLSocket serverSocket = null;
ClientSocket clientSocket = null;
try {
SSLServerSocketFactory serversocketfactory =
createServerSSLContext().getServerSocketFactory();
listenSocket =
(SSLServerSocket)serversocketfactory.createServerSocket(0);
listenSocket.setNeedClientAuth(false);
listenSocket.setEnableSessionCreation(true);
listenSocket.setUseClientMode(false);
System.err.println("Starting client");
clientSocket = new ClientSocket(listenSocket.getLocalPort());
clientSocket.start();
System.err.println("Accepting client requests");
serverSocket = (SSLSocket) listenSocket.accept();
serverSocket.startHandshake();
} finally {
if (clientSocket != null) {
clientSocket.close();
}
if (listenSocket != null) {
listenSocket.close();
}
if (serverSocket != null) {
serverSocket.close();
}
}
}
private class ClientSocket extends Thread{
int serverPort = 0;
SSLSocket clientSocket = null;
public ClientSocket(int serverPort) {
this.serverPort = serverPort;
}
@Override
public void run() {
try {
System.err.println(
"Connecting to server at port " + serverPort);
SSLSocketFactory sslSocketFactory =
createClientSSLContext().getSocketFactory();
clientSocket = (SSLSocket)sslSocketFactory.createSocket(
InetAddress.getLocalHost(), serverPort);
clientSocket.setSoLinger(true, 3);
clientSocket.startHandshake();
} catch (Exception e) {
}
}
public void close() {
Thread t = new Thread() {
@Override
public void run() {
try {
if (clientSocket != null) {
clientSocket.close();
}
} catch (Exception ex) {
}
}
};
try {
// Close client connection
t.start();
t.join(2000); // 2 sec
} catch (InterruptedException ex) {
return;
}
if (t.isAlive()) {
throw new RuntimeException("SSL Client hangs on close");
}
}
}
}
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