author | dfuchs |
Wed, 10 Jul 2019 22:33:23 +0200 | |
changeset 55649 | ad8e3b295615 |
parent 54811 | 9db7c0f561a6 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2012, 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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|
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/** |
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* @test |
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* @bug 6210227 |
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* @library /test/lib |
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* @summary REGRESSION: Socket.getLocalAddress() returns address of 0.0.0.0 on outbound TCP. |
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* This test requires binding to the wildcard address. |
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* @run main B6210227 |
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* @run main/othervm -Djava.net.preferIPv4Stack=true B6210227 |
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* @run main/othervm -Djava.net.preferIPv6Addresses=true B6210227 |
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*/ |
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import java.util.*; |
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import java.net.*; |
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import java.util.stream.IntStream; |
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import java.util.stream.Collectors; |
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import jdk.test.lib.net.IPSupport; |
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|
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public class B6210227 { |
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public static void main(String[] args) throws Exception |
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{ |
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IPSupport.throwSkippedExceptionIfNonOperational(); |
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ServerSocket ss = new ServerSocket(0); |
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int port = ss.getLocalPort(); |
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try { |
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InetSocketAddress isa = new InetSocketAddress(InetAddress.getLocalHost(), port); |
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Socket s = new Socket(); |
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s.connect( isa, 1000 ); |
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InetAddress iaLocal = s.getLocalAddress(); // if this comes back as 0.0.0.0 this would demonstrate issue |
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String sLocalHostname = iaLocal.getHostName(); |
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byte[] address = iaLocal.getAddress(); |
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if (isWildcard(address)) { |
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if (iaLocal instanceof Inet6Address) { |
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String msg = IntStream.range(0, address.length) |
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.mapToObj(i -> "0").collect(Collectors.joining(":")); |
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throw new RuntimeException(msg + " returned"); |
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} else { |
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throw new RuntimeException ("0.0.0.0 returned"); |
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} |
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} |
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System.out.println("local hostname is "+sLocalHostname ); |
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} catch(Exception e) { |
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System.out.println("Exception happened"); |
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throw e; |
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} finally { |
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ss.close(); |
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} |
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} |
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private static boolean isWildcard(byte[] bytes) { |
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for (int i = 0; i < bytes.length ; i++) { |
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if (bytes[i] != 0) return false; |
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} |
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return true; |
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} |
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} |