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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/jdk/java/net/MulticastSocket/JoinLeave.java Normal file
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/*
* Copyright (c) 1998, 2019, 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.
*/
import java.io.IOException;
import java.io.UncheckedIOException;
import java.net.InetAddress;
import java.net.MulticastSocket;
import java.net.NetworkInterface;
import jdk.test.lib.NetworkConfiguration;
import jdk.test.lib.net.IPSupport;
/**
* @test
* @bug 4091811 4148753 4102731
* @summary Test java.net.MulticastSocket joinGroup and leaveGroup
* @library /test/lib
* @build jdk.test.lib.NetworkConfiguration
* jdk.test.lib.Platform
* @run main JoinLeave
* @run main/othervm -Djava.net.preferIPv4Stack=true JoinLeave
*/
public class JoinLeave {
public static void main(String args[]) throws IOException {
IPSupport.throwSkippedExceptionIfNonOperational();
InetAddress ip4Group = InetAddress.getByName("224.80.80.80");
InetAddress ip6Group = InetAddress.getByName("ff02::a");
NetworkConfiguration nc = NetworkConfiguration.probe();
nc.ip4MulticastInterfaces().forEach(nic -> joinLeave(ip4Group, nic));
nc.ip6MulticastInterfaces().forEach(nic -> joinLeave(ip6Group, nic));
}
static void joinLeave(InetAddress group, NetworkInterface nif) {
System.out.println("Joining:" + group + " on " + nif);
try (MulticastSocket soc = new MulticastSocket()) {
soc.setNetworkInterface(nif);
soc.joinGroup(group);
soc.leaveGroup(group);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
}