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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
commit 0a580b313d
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74
test/jdk/java/net/NetworkInterface/NetParamsTest.java Normal file
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/*
* Copyright (c) 2005, 2011, 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 4691932
* @summary Programmatic access to network parameters
*/
import java.net.*;
import java.util.Enumeration;
public class NetParamsTest {
private static void printIF(NetworkInterface netif) throws SocketException {
System.out.println(netif.getName() + " : ");
System.out.println("\tStatus: " + (netif.isUp() ? " UP" : "DOWN"));
byte[] mac = netif.getHardwareAddress();
if (mac != null) {
System.out.print("\tHardware Address: ");
for (byte b : mac) {
System.out.print(Integer.toHexString(b) + ":");
}
System.out.println();
}
System.out.println("\tLoopback: " + netif.isLoopback());
System.out.println("\tPoint to Point: " + netif.isPointToPoint());
System.out.println("\tVirtual: " + netif.isVirtual());
if (netif.isVirtual()) {
NetworkInterface parent = netif.getParent();
String parentName = parent == null ? "null" : parent.getName();
System.out.println("\tParent Interface: " + parentName);
}
System.out.println("\tMulticast: " + netif.supportsMulticast());
System.out.println("\tMTU: " + netif.getMTU());
System.out.println("\tBindings:");
java.util.List<InterfaceAddress> binds = netif.getInterfaceAddresses();
for (InterfaceAddress b : binds) {
System.out.println("\t\t" + b);
}
Enumeration<NetworkInterface> ifs = netif.getSubInterfaces();
while(ifs.hasMoreElements()) {
NetworkInterface subif = ifs.nextElement();
printIF(subif);
}
}
public static void main(String[] args) throws Exception {
Enumeration<NetworkInterface> ifs = NetworkInterface.getNetworkInterfaces();
while (ifs.hasMoreElements()) {
NetworkInterface netif = ifs.nextElement();
printIF(netif);
}
}
}