1 /*
   2  * Copyright (c) 2005, 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 /**
  25  * @test 1.1 05/01/05
  26  * @bug 6206527
  27  * @summary "cannot assign address" when binding ServerSocket on Suse 9
  28  * @library /test/lib
  29  * @build jdk.test.lib.NetworkConfiguration
  30  *        jdk.test.lib.Utils
  31  *        jdk.test.lib.Asserts
  32  *        jdk.test.lib.JDKToolFinder
  33  *        jdk.test.lib.JDKToolLauncher
  34  *        jdk.test.lib.Platform
  35  *        jdk.test.lib.process.*
  36  * @run main B6206527
  37  */
  38 
  39 import java.net.*;
  40 import java.util.*;
  41 import jdk.test.lib.NetworkConfiguration;
  42 
  43 public class B6206527 {
  44 
  45     public static void main (String[] args) throws Exception {
  46         Inet6Address addr = getLocalAddr();
  47         if (addr == null) {
  48             System.out.println ("Could not find a link-local address");
  49             return;
  50         }
  51 
  52         ServerSocket ss = new ServerSocket();
  53         System.out.println ("trying LL addr: " + addr);
  54         ss.bind(new InetSocketAddress(addr, 0));
  55 
  56         // need to remove the %scope suffix
  57         addr = (Inet6Address)InetAddress.getByAddress (
  58             addr.getAddress()
  59         );
  60 
  61         System.out.println ("trying LL addr: " + addr);
  62         ss = new ServerSocket();
  63         ss.bind(new InetSocketAddress(addr, 0));
  64     }
  65 
  66     public static Inet6Address getLocalAddr() throws Exception {
  67         Optional<Inet6Address> oaddr = NetworkConfiguration.probe()
  68                 .ip6Addresses()
  69                 .filter(a -> a.isLinkLocalAddress())
  70                 .findFirst();
  71 
  72         return oaddr.orElseGet(() -> null);
  73     }
  74 }