1 /* 2 * Copyright (c) 2016, 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 26 * @bug 8168840 27 * @summary InetAddress.getByName() throws java.net.UnknownHostException no such 28 * interface when used with virtual interfaces on Solaris 29 */ 30 import java.net.InetAddress; 31 import java.net.NetworkInterface; 32 import java.net.SocketException; 33 import java.net.UnknownHostException; 34 import java.util.Collections; 35 import java.util.Enumeration; 36 37 public class SubNetworkInterfaceTest { 38 main(String args[])39 public static void main(String args[]) throws SocketException, UnknownHostException { 40 Enumeration<NetworkInterface> nets = NetworkInterface.getNetworkInterfaces(); 41 for (NetworkInterface netIf : Collections.list(nets)) { 42 doReverseLookup(netIf); 43 } 44 } 45 doReverseLookup(NetworkInterface netIf)46 static void doReverseLookup(NetworkInterface netIf) throws SocketException, UnknownHostException { 47 for (NetworkInterface subIf : Collections.list(netIf.getSubInterfaces())) { 48 Enumeration<InetAddress> subInetAddresses = subIf.getInetAddresses(); 49 while (subInetAddresses != null && subInetAddresses.hasMoreElements()) { 50 InetAddress inetAddress = subInetAddresses.nextElement(); 51 String reversalString = inetAddress.getHostAddress(); 52 //should not throw UHE in case of virtual sub interface 53 InetAddress.getByName(reversalString); 54 } 55 } 56 } 57 } 58