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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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test/jdk/java/net/MulticastSocket/TestInterfaces.java Normal file
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/*
* Copyright (c) 2001, 2017, 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 4422122
* @summary Test that MulticastSocket.getInterface returns the
* same InetAddress set by MulticastSocket.setInterface
* @library /test/lib
* @build jdk.test.lib.NetworkConfiguration
* jdk.test.lib.Platform
* @run main TestInterfaces
*/
import jdk.test.lib.NetworkConfiguration;
import java.net.*;
import java.util.Arrays;
import java.util.Collections;
import java.util.Enumeration;
import java.io.IOException;
public class TestInterfaces {
static final boolean isWindows = System.getProperty("os.name").startsWith("Windows");
public static void main(String args[]) throws Exception {
int failures = 0;
MulticastSocket soc = new MulticastSocket();
Enumeration nifs = NetworkInterface.getNetworkInterfaces();
while (nifs.hasMoreElements()) {
NetworkInterface ni = (NetworkInterface)nifs.nextElement();
// JDK-8022963, Skip (Windows) Teredo Tunneling Pseudo-Interface
String dName = ni.getDisplayName();
if (isWindows && dName != null && dName.contains("Teredo"))
continue;
// Skip those interfaces not up or not support multicast
if (!ni.isUp() || !ni.supportsMulticast())
continue;
/*
* Test MulticastSocket.getInterface
*/
System.out.println("Testing network interface " + ni);
Enumeration addrs = ni.getInetAddresses();
while (addrs.hasMoreElements()) {
InetAddress ia = (InetAddress)addrs.nextElement();
System.out.println("********************************");
System.out.println("MulticastSocket.setInterface(" + ia + ")");
try {
soc.setInterface(ia);
} catch (IOException ioe) {
System.err.println("Can't set interface to: " + ia
+ " " + ioe.getMessage());
continue;
}
InetAddress curr = soc.getInterface();
if (!curr.equals(ia)) {
System.err.println("NetworkInterface under test " + ni);
displayInterfaceInformation(ni);
System.err.println("MulticastSocket.getInterface returned: " + curr);
System.err.println("Failed! Expected: " + ia);
failures++;
} else {
System.out.println("Passed.");
}
}
/*
* Test MulticastSocket.getNetworkInterface
*/
System.out.println("********************************");
System.out.println("MulticastSocket.setNetworkInterface(" +
ni.getName() + ")");
try {
soc.setNetworkInterface(ni);
} catch (IOException ioe) {
System.err.println("Can't set interface to: " + ni.getName()
+ " " + ioe.getMessage());
continue;
}
NetworkInterface curr = soc.getNetworkInterface();
if (!curr.equals(ni)) {
System.err.println("MulticastSocket.getNetworkInterface returned: " + curr);
System.err.println("Failed! Expected: " + ni);
System.err.println("NetworkInterface details for curr variable ");
displayInterfaceInformation(curr);
System.err.println("NetworkInterface details for ni variable ");
displayInterfaceInformation(ni) ;
failures++;
} else {
System.out.println("Passed.");
}
}
if (failures > 0) {
System.err.println("********************************");
NetworkConfiguration.printSystemConfiguration(System.err);
System.out.println("********************************");
throw new Exception(failures + " test(s) failed!!!");
}
}
static void displayInterfaceInformation(NetworkInterface netint) throws SocketException {
System.err.println("Display name: " + netint.getDisplayName());
System.err.println("Name: " + netint.getName());
Enumeration<InetAddress> inetAddresses = netint.getInetAddresses();
for (InetAddress inetAddress : Collections.list(inetAddresses))
System.err.println("InetAddress: " + inetAddress);
System.err.println("Up? " + netint.isUp());
System.err.println("Loopback? " + netint.isLoopback());
System.err.println("PointToPoint? " + netint.isPointToPoint());
System.err.println("Supports multicast? " + netint.supportsMulticast());
System.err.println("Virtual? " + netint.isVirtual());
System.err.println("Hardware address: " +
Arrays.toString(netint.getHardwareAddress()));
System.err.println("MTU: " + netint.getMTU());
System.err.println("Index: " + netint.getIndex());
System.err.println();
}
}