118 lines
4.3 KiB
Java
118 lines
4.3 KiB
Java
/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import javax.naming.Context;
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import javax.naming.ldap.InitialLdapContext;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.net.InetAddress;
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import java.net.Socket;
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import java.util.Hashtable;
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import java.util.concurrent.Semaphore;
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import java.util.concurrent.TimeUnit;
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/*
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* @test
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* @bug 8217606
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* @summary The LdapContext.reconnect method allows LDAP clients to initiate an
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* LDAP bind operation on the existing connection. Invoking this method
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* should not open a new connection under those circumstances.
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*
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* @library ../lib/
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* @run main Reconnect
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*/
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public class Reconnect {
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private static final byte[] BIND_RESPONSE = {
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0x30, 0x0C, 0x02, 0x01, 0x01, 0x61, 0x07, 0x0A,
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0x01, 0x00, 0x04, 0x00, 0x04, 0x00
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};
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/*
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* This test checks that there's only one connection from the client to
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* the server.
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*
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* The mechanics is as follows. The first connection is awaited for some
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* generous timeout to factor in a possibility of running on a slow system.
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* Once the connection has been made, the second timeout begins. This
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* second timeout is smaller. The test then verifies that no further
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* connections have been made for that amount of time.
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*/
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public static void main(String[] args) throws Exception {
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final Semaphore s = new Semaphore(0);
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BaseLdapServer server = new BaseLdapServer() {
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@Override
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protected void beforeConnectionHandled(Socket socket) {
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// Increment the number of connections from LDAP client
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s.release(1);
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}
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@Override
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protected void handleRequest(Socket socket,
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LdapMessage msg,
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OutputStream out)
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throws IOException
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{
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switch (msg.getOperation()) {
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case BIND_REQUEST:
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out.write(BIND_RESPONSE);
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default:
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break;
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}
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}
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};
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try (var s1 = server.start()) {
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Hashtable<String, Object> env = new Hashtable<>();
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env.put(Context.INITIAL_CONTEXT_FACTORY,
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"com.sun.jndi.ldap.LdapCtxFactory");
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env.put(Context.PROVIDER_URL,
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"ldap://" + InetAddress.getLoopbackAddress().getHostName()
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+ ":" + server.getPort());
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env.put("java.naming.ldap.version", "3");
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// open connection
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InitialLdapContext context = new InitialLdapContext(env, null);
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// send bind request
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context.addToEnvironment(Context.SECURITY_AUTHENTICATION, "simple");
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context.addToEnvironment(Context.SECURITY_PRINCIPAL, "test");
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context.addToEnvironment(Context.SECURITY_CREDENTIALS, "secret");
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context.reconnect(null);
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}
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if (!s.tryAcquire(60L, TimeUnit.SECONDS)) {
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throw new RuntimeException("No connection has been made");
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}
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if (s.tryAcquire(5L, TimeUnit.SECONDS)) {
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throw new RuntimeException("Expected 1 connection, but found: "
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+ (s.availablePermits() + 2));
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}
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}
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}
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