1 /* 2 * Copyright (c) 2001, 2018, 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 * @library ../testlibrary 29 * @modules java.rmi/sun.rmi.registry 30 * java.rmi/sun.rmi.server 31 * java.rmi/sun.rmi.transport 32 * java.rmi/sun.rmi.transport.tcp 33 * @build RegistryVM 34 * @run main/othervm -Djava.net.preferIPv6Addresses=true LookupIPv6 35 */ 36 37 import java.io.Serializable; 38 import java.net.InetAddress; 39 import java.net.Inet6Address; 40 import java.net.MalformedURLException; 41 import java.rmi.Naming; 42 import java.rmi.Remote; 43 44 public class LookupIPv6 { 45 public static void main(String[] args) throws Exception { 46 // use loopback IPv6 address to avoid lengthy socket connection delays 47 String[] urls = { 48 "rmi://[0000:0000:0000:0000:0000:0000:0000:0001]/foo", 49 "//[0:0:0:0:0:0:0:1]:88/foo", 50 "rmi://[0::0:0:0:1]/foo:bar", 51 "//[::1]:88" 52 }; 53 for (int i = 0; i < urls.length; i++) { 54 try { 55 Naming.lookup(urls[i]); 56 } catch (MalformedURLException ex) { 57 throw ex; 58 } catch (Exception ex) { 59 // URLs are bogus, lookups expected to fail 60 } 61 } 62 63 /* Attempt to use IPv6-based URL to look up object in local registry. 64 * Since not all platforms support IPv6, this portion of the test may 65 * be a no-op in some cases. On supporting platforms, the first 66 * element of the array returned by InetAddress.getAllByName should be 67 * an Inet6Address since this test is run with 68 * -Djava.net.preferIPv6Addresses=true. 69 */ 70 InetAddress localAddr = InetAddress.getAllByName(null)[0]; 71 if (localAddr instanceof Inet6Address) { 72 System.out.println("IPv6 detected"); 73 RegistryVM rvm = RegistryVM.createRegistryVM(); 74 try { 75 rvm.start(); 76 String name = String.format("rmi://[%s]:%d/foo", 77 localAddr.getHostAddress(), rvm.getPort()); 78 Naming.rebind(name, new R()); 79 Naming.lookup(name); 80 } finally { 81 rvm.cleanup(); 82 } 83 } 84 } 85 86 private static class R implements Remote, Serializable { } 87 }