81 lines
3.0 KiB
Java
81 lines
3.0 KiB
Java
/*
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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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* @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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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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}
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