8184328: JDK 8u131 socketRead0 hang at SSL read
Reviewed-by: xuelei, chegar, coffeys
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8184328
* @summary JDK8u131-b34-socketRead0 hang at SSL read
* @run main/othervm SSLSocketCloseHang
*/
import java.io.*;
import java.net.*;
import java.util.*;
import java.security.*;
import javax.net.ssl.*;
public class SSLSocketCloseHang {
/*
* =============================================================
* 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 = "../../../../javax/net/ssl/etc";
static String keyStoreFile = "keystore";
static String trustStoreFile = "truststore";
static String passwd = "passphrase";
/*
* Is the server ready to serve?
*/
volatile static boolean serverReady = false;
/*
* Was the client responsible for closing the socket
*/
volatile static boolean clientClosed = 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....
*/
/*
* Define the server side of the test.
*
* If the server prematurely exits, serverReady will be set to true
* to avoid infinite hangs.
*/
void doServerSide() throws Exception {
SSLServerSocketFactory sslssf =
(SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
SSLServerSocket sslServerSocket =
(SSLServerSocket) sslssf.createServerSocket(serverPort);
serverPort = sslServerSocket.getLocalPort();
/*
* Signal Client, we're ready for his connect.
*/
serverReady = true;
SSLSocket sslSocket = (SSLSocket) sslServerSocket.accept();
sslSocket.startHandshake();
while (!clientClosed) {
Thread.sleep(500);
}
}
/*
* Define the client side of the test.
*
* If the server prematurely exits, serverReady will be set to true
* to avoid infinite hangs.
*/
void doClientSide() throws Exception {
boolean caught = false;
/*
* Wait for server to get started.
*/
System.out.println("waiting on server");
while (!serverReady) {
Thread.sleep(50);
}
System.out.println("server ready");
Socket baseSocket = new Socket("localhost", serverPort);
baseSocket.setSoTimeout(100);
SSLSocketFactory sslsf =
(SSLSocketFactory) SSLSocketFactory.getDefault();
SSLSocket sslSocket = (SSLSocket)
sslsf.createSocket(baseSocket, "localhost", serverPort, false);
// handshaking
sslSocket.startHandshake();
System.out.println("handshake done");
Thread.sleep(500);
System.out.println("client closing");
sslSocket.close();
clientClosed = true;
System.out.println("client closed");
}
/*
* =============================================================
* The remainder is just support stuff
*/
// use any free port by default
volatile int serverPort = 0;
volatile Exception serverException = null;
volatile Exception clientException = null;
volatile byte[] serverDigest = 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 SSLSocketCloseHang();
}
Thread clientThread = null;
Thread serverThread = null;
/*
* Primary constructor, used to drive remainder of the test.
*
* Fork off the other side, then do your work.
*/
SSLSocketCloseHang() throws Exception {
if (separateServerThread) {
startServer(true);
startClient(false);
} else {
startClient(true);
startServer(false);
}
/*
* 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) {
System.out.print("Server Exception:");
throw serverException;
}
if (clientException != null) {
System.out.print("Client Exception:");
throw clientException;
}
}
void startServer(boolean newThread) throws Exception {
if (newThread) {
serverThread = new Thread() {
public void run() {
try {
doServerSide();
} catch (Exception e) {
/*
* Our server thread just died.
*
* Release the client, if not active already...
*/
System.err.println("Server died...");
System.err.println(e);
serverReady = true;
serverException = e;
}
}
};
serverThread.start();
} else {
doServerSide();
}
}
void startClient(boolean newThread) throws Exception {
if (newThread) {
clientThread = new Thread() {
public void run() {
try {
doClientSide();
} catch (Exception e) {
/*
* Our client thread just died.
*/
System.err.println("Client died...");
clientException = e;
}
}
};
clientThread.start();
} else {
doClientSide();
}
}
}