jdk/test/com/sun/jndi/ldap/NoWaitForReplyTest.java
author coffeys
Thu, 03 Mar 2011 16:51:03 +0000
changeset 8564 d99f879a35ab
child 8574 8b25e0b1d00e
permissions -rw-r--r--
6750362: Very large LDAP requests throw a OOM on LDAP servers which aren't aware of Paged Results Controls 6748156: add an new JNDI property to control the boolean flag WaitForReply Reviewed-by: vinnie, robm

/*
 * Copyright (c) 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 6748156
 * @summary add an new JNDI property to control the boolean flag WaitForReply
 */

import java.net.Socket;
import java.net.ServerSocket;
import java.io.*;
import javax.naming.*;
import javax.naming.directory.*;
import java.util.Hashtable;

public class NoWaitForReplyTest {

    public static void main(String[] args) throws Exception {

    boolean passed = false;

    // Set up the environment for creating the initial context
    Hashtable env = new Hashtable(11);
        env.put(Context.PROVIDER_URL, "ldap://localhost:22001");
    env.put(Context.INITIAL_CONTEXT_FACTORY,
        "com.sun.jndi.ldap.LdapCtxFactory");

    // Wait up to 10 seconds for a response from the LDAP server
    env.put("com.sun.jndi.ldap.read.timeout", "10000");

    // Don't wait until the first search reply is received
    env.put("com.sun.jndi.ldap.search.waitForReply", "false");

    // Send the LDAP search request without first authenticating (no bind)
    env.put("java.naming.ldap.version", "3");

    DummyServer ldapServer = new DummyServer();

    try {

        // start the LDAP server
        ldapServer.start();

        // Create initial context
        System.out.println("Client: connecting to the server");
        DirContext ctx = new InitialDirContext(env);

        SearchControls scl = new SearchControls();
        scl.setSearchScope(SearchControls.SUBTREE_SCOPE);
        System.out.println("Client: performing search");
        NamingEnumeration answer =
        ctx.search("ou=People,o=JNDITutorial", "(objectClass=*)", scl);

        // Server will never reply: either we waited in the call above until
        // the timeout (fail) or we did not wait and reached here (pass).
        passed = true;
        System.out.println("Client: did not wait until first reply");

        // Close the context when we're done
        ctx.close();

    } catch (NamingException e) {
        // timeout (ignore)
    }
    ldapServer.interrupt();

    if (!passed) {
        throw new Exception(
        "Test FAILED: should not have waited until first search reply");
    }
    System.out.println("Test PASSED");
    }

    static class DummyServer extends Thread {

        static int serverPort = 22001;

    DummyServer() {
    }

    public void run() {
        try {
        ServerSocket serverSock = new ServerSocket(serverPort);
                Socket socket = serverSock.accept();
                System.out.println("Server: accepted a connection");
                BufferedInputStream bin =
            new BufferedInputStream(socket.getInputStream());

                while (true) {
                    bin.read();
                }
        } catch (IOException e) {
        // ignore
        }
    }
}
}