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/*
* Copyright (c) 2019, 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.
*/
//
// Please run in othervm mode. SunJSSE does not support dynamic system
// properties, no way to re-use system properties in samevm/agentvm mode.
//
/*
* @test
* @bug 8221253
* @summary TLSv1.3 may generate TLSInnerPlainText longer than 2^14+1 bytes
* @modules jdk.crypto.ec
* @library /javax/net/ssl/templates
* @run main/othervm Tls13PacketSize
*/
import java.io.InputStream;
import java.io.OutputStream;
import javax.net.ssl.SSLSocket;
public class Tls13PacketSize extends SSLSocketTemplate {
private static final byte[] appData = new byte[16385];
static {
for (int i = 0; i < appData.length; i++) {
appData[i] = (byte)('A' + (i % 26));
}
}
// Run the test case.
public static void main(String[] args) throws Exception {
(new Tls13PacketSize()).run();
}
@Override
protected void runServerApplication(SSLSocket socket) throws Exception {
// Set SO_LINGER in case of slow socket
socket.setSoLinger(true, 10);
// here comes the test logic
InputStream sslIS = socket.getInputStream();
OutputStream sslOS = socket.getOutputStream();
sslIS.read();
int extra = sslIS.available();
System.out.println("Server input bytes: " + extra);
// Considering the padding impact, the record plaintext is less
// than the TLSPlaintext.fragment length (2^14).
if (extra >= 16383) { // 16383: 2^14 - 1 byte read above
throw new Exception(
"Client record plaintext exceeds 2^14 octets: " + extra);
}
sslOS.write(appData);
sslOS.flush();
int drained = 1;
while (drained < appData.length) {
drained += sslIS.read(appData, drained, appData.length - drained);
}
}
/*
* Define the client side application of the test for the specified socket.
* This method is used if the returned value of
* isCustomizedClientConnection() is false.
*
* @param socket may be null is no client socket is generated.
*
* @see #isCustomizedClientConnection()
*/
protected void runClientApplication(SSLSocket socket) throws Exception {
// Set SO_LINGER in case of slow socket
socket.setSoLinger(true, 10);
socket.setEnabledProtocols(new String[] {"TLSv1.3"});
InputStream sslIS = socket.getInputStream();
OutputStream sslOS = socket.getOutputStream();
sslOS.write(appData);
sslOS.flush();
sslIS.read();
int extra = sslIS.available();
System.out.println("Client input bytes: " + extra);
// Considering the padding impact, the record plaintext is less
// than the TLSPlaintext.fragment length (2^14).
if (extra >= 16383) { // 16383: 2^14 - 1 byte read above
throw new Exception(
"Server record plaintext exceeds 2^14 octets: " + extra);
}
}
}
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