1 /*
   2  * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25  * @summary Ensure that java.rmi.Naming.lookup can handle URLs containing
  26  *          IPv6 addresses.
  27  * @bug 4402708
  28  *
  29  * @run main/othervm -Djava.net.preferIPv6Addresses=true LookupIPv6
  30  */
  31 
  32 import java.net.InetAddress;
  33 import java.net.Inet6Address;
  34 import java.net.MalformedURLException;
  35 import java.rmi.Naming;
  36 import java.rmi.registry.LocateRegistry;
  37 import java.rmi.registry.Registry;
  38 
  39 public class LookupIPv6 {
  40     public static void main(String[] args) throws Exception {
  41         // use loopback IPv6 address to avoid lengthy socket connection delays
  42         String[] urls = {
  43             "rmi://[0000:0000:0000:0000:0000:0000:0000:0001]/foo",
  44             "//[0:0:0:0:0:0:0:1]:88/foo",
  45             "rmi://[0::0:0:0:1]/foo:bar",
  46             "//[::1]:88"
  47         };
  48         for (int i = 0; i < urls.length; i++) {
  49             try {
  50                 Naming.lookup(urls[i]);
  51             } catch (MalformedURLException ex) {
  52                 throw ex;
  53             } catch (Exception ex) {
  54                 // URLs are bogus, lookups expected to fail
  55             }
  56         }
  57 
  58         /* Attempt to use IPv6-based URL to look up object in local registry.
  59          * Since not all platforms support IPv6, this portion of the test may
  60          * be a no-op in some cases.  On supporting platforms, the first
  61          * element of the array returned by InetAddress.getAllByName should be
  62          * an Inet6Address since this test is run with
  63          * -Djava.net.preferIPv6Addresses=true.
  64          */
  65         InetAddress localAddr = InetAddress.getAllByName(null)[0];
  66         if (localAddr instanceof Inet6Address) {
  67             System.out.println("IPv6 detected");
  68             Registry reg;
  69             try {
  70                 reg = LocateRegistry.createRegistry(Registry.REGISTRY_PORT);
  71             } catch (Exception ex) {
  72                 reg = LocateRegistry.getRegistry();
  73             }
  74             reg.rebind("foo", reg);
  75             Naming.lookup("rmi://[" + localAddr.getHostAddress() + "]/foo");
  76         }
  77     }
  78 }