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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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64
test/jdk/java/net/InetAddress/IPv4Formats.java Normal file
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/*
* Copyright (c) 2003, 2005, 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 4866927
* @summary InetAddress.getByName behaves differently on windows
*/
import java.net.*;
public class IPv4Formats {
public static void main(String[] args) {
InetAddress ad1, ad2;
String adds[][] = {
{"0", "0.0.0.0"},
{"126.1", "126.0.0.1"},
{"128.50.65534", "128.50.255.254"},
{"192.168.1.2", "192.168.1.2"},
{"invalidhost.invalid", null},
{"1024.1.2.3", null},
{"128.14.66000", null }
};
for (int i = 0; i < adds.length; i++) {
if (adds[i][1] != null) {
try {
ad1 = InetAddress.getByName(adds[i][0]);
ad2 = InetAddress.getByName(adds[i][1]);
} catch (UnknownHostException ue) {
throw new RuntimeException("Wrong conversion: " + adds[i][0] + " should be " + adds[i][1] + " But throws " + ue);
}
if (! ad1.equals(ad2))
throw new RuntimeException("Wrong conversion: " + adds[i][0] + " should be " + adds[i][1] + " But is " + ad1);
} else {
try {
ad1 = InetAddress.getByName(adds[i][0]);
// should throw an UnknownHostException
throw new RuntimeException(adds[i][0] + " should throw UnknownHostException!");
} catch (UnknownHostException e) {
// This is what we expect!
}
}
}
}
}