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/*
* Copyright (c) 2018, 2020, 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.
*/
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;
import java.io.IOException;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Hashtable;
import jdk.test.lib.net.URIBuilder;
/*
* @test
* @bug 8205330
* @summary Test that If a connection has already been established and then
* the LDAP directory server sends an (unsolicited)
* "Notice of Disconnection", make sure client handle it correctly,
* no NPE been thrown.
* @library lib/ /test/lib
* @run main/othervm DisconnectNPETest
*/
public class DisconnectNPETest {
// Normally the NPE bug should be hit less than 100 times run, but just in
// case, we set repeat count to 1000 here.
private static final int REPEAT_COUNT = 1000;
// "Notice of Disconnection" message
private static final byte[] DISCONNECT_MSG = { 0x30, 0x4C, 0x02, 0x01,
0x00, 0x78, 0x47, 0x0A, 0x01, 0x34, 0x04, 0x00, 0x04, 0x28,
0x55, 0x4E, 0x41, 0x56, 0x41, 0x49, 0x4C, 0x41, 0x42, 0x4C,
0x45, 0x3A, 0x20, 0x54, 0x68, 0x65, 0x20, 0x73, 0x65, 0x72,
0x76, 0x65, 0x72, 0x20, 0x77, 0x69, 0x6C, 0x6C, 0x20, 0x64,
0x69, 0x73, 0x63, 0x6F, 0x6E, 0x6E, 0x65, 0x63, 0x74, 0x21,
(byte) 0x8A, 0x16, 0x31, 0x2E, 0x33, 0x2E, 0x36, 0x2E, 0x31,
0x2E, 0x34, 0x2E, 0x31, 0x2E, 0x31, 0x34, 0x36, 0x36, 0x2E,
0x32, 0x30, 0x30, 0x33, 0x36 };
private static final byte[] BIND_RESPONSE = { 0x30, 0x0C, 0x02, 0x01,
0x01, 0x61, 0x07, 0x0A, 0x01, 0x00, 0x04, 0x00, 0x04, 0x00 };
public static void main(String[] args) throws IOException {
new DisconnectNPETest().run();
}
private ServerSocket serverSocket;
private Hashtable<Object, Object> env;
private void initRes() throws IOException {
serverSocket = new ServerSocket(0, 0, InetAddress.getLoopbackAddress());
}
private void initTest() {
env = new Hashtable<>();
env.put(Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.PROVIDER_URL, URIBuilder.newBuilder()
.scheme("ldap")
.loopback()
.port(serverSocket.getLocalPort())
.buildUnchecked().toString());
env.put(Context.SECURITY_AUTHENTICATION, "simple");
env.put(Context.SECURITY_PRINCIPAL,
"cn=8205330,ou=Client6,ou=Vendor1,o=IMC,c=US");
env.put(Context.SECURITY_CREDENTIALS, "secret123");
}
private void run() throws IOException {
initRes();
initTest();
int count = 0;
try (var ignore = new BaseLdapServer(serverSocket) {
@Override
protected void handleRequest(Socket socket, LdapMessage request,
OutputStream out) throws IOException {
if (request.getOperation()
== LdapMessage.Operation.BIND_REQUEST) {
out.write(BIND_RESPONSE);
out.write(DISCONNECT_MSG);
}
}
}.start()) {
while (count < REPEAT_COUNT) {
count++;
InitialDirContext context = null;
try {
context = new InitialDirContext(env);
} catch (NamingException ne) {
System.out.println("(" + count + "/" + REPEAT_COUNT
+ ") It's ok to get NamingException: " + ne);
// for debug
ne.printStackTrace(System.out);
} finally {
cleanupContext(context);
}
}
} finally {
System.out.println("Test count: " + count + "/" + REPEAT_COUNT);
}
}
private void cleanupContext(DirContext context) {
if (context != null) {
try {
context.close();
} catch (NamingException e) {
// ignore
}
}
}
}
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