archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-23 12:34:32 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

7161881: (dc) DatagramChannel.bind(null) fails if IPv4 socket and running with preferIPv6Addresses=true

Browse source 
Reviewed-by: alanb, chegar
This commit is contained in:
Rob McKenna 2012-06-08 18:23:28 +01:00
parent 240b19f9f2
commit 042cc29680
2 changed files with 56 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

7
jdk/src/share/classes/sun/nio/ch/DatagramChannelImpl.java
View file

@ -661,7 +661,12 @@ class DatagramChannelImpl
throw new AlreadyBoundException();
InetSocketAddress isa;
if (local == null) {
isa = new InetSocketAddress(0);
// only Inet4Address allowed with IPv4 socket
if (family == StandardProtocolFamily.INET) {
isa = new InetSocketAddress(InetAddress.getByName("0.0.0.0"), 0);
} else {
isa = new InetSocketAddress(0);
}
} else {
isa = Net.checkAddress(local);

50
jdk/test/java/nio/channels/DatagramChannel/BindNull.java Normal file
View file

@ -0,0 +1,50 @@
/*
* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 7161881
* @run main/othervm -Djava.net.preferIPv6Addresses=true BindNull
* @summary Make sure the bind method uses an ipv4 address for the null case
* when the DatagramChannel is connected to an IPv4 socket and
* -Djava.net.preferIPv6Addresses=true.
*/
import java.io.*;
import java.net.*;
import java.nio.channels.*;
public class BindNull {
public static void main(String[] args) throws IOException {
try (DatagramChannel dc = DatagramChannel.open()) {
dc.bind(null);
}
try (DatagramChannel dc = DatagramChannel.open(StandardProtocolFamily.INET)) {
dc.bind(null);
}
try (DatagramChannel dc = DatagramChannel.open(StandardProtocolFamily.INET6)) {
dc.bind(null);
} catch (UnsupportedOperationException uoe) {
// IPv6 not available
}
}
}