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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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test/jdk/java/net/InetAddress/GetLoopbackAddress.java Normal file
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/*
* Copyright (c) 2006, 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 6376404 8201545
* @summary InetAddress needs a getLoopbackAddress
*/
import java.net.*;
public class GetLoopbackAddress
{
static InetAddress IPv4Loopback;
static InetAddress IPv6Loopback;
static {
try {
IPv4Loopback = InetAddress.getByAddress(
new byte[] {0x7F,0x00,0x00,0x01});
IPv6Loopback = InetAddress.getByAddress(
new byte[] {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01});
} catch (UnknownHostException e) {
}
}
public static void main(String[] args) throws Exception {
InetAddress addr = InetAddress.getLoopbackAddress();
if (!(addr.equals(IPv4Loopback) || addr.equals(IPv6Loopback))) {
throw new RuntimeException("Failed: getLoopbackAddress" +
" not returning a valid loopback address");
}
InetAddress addr2 = InetAddress.getLoopbackAddress();
if (addr != addr2) {
throw new RuntimeException("Failed: getLoopbackAddress" +
" should return a reference to the same InetAddress loopback instance.");
}
InetAddress addrFromNullHost = InetAddress.getByName(null);
if (!addrFromNullHost.isLoopbackAddress()) {
throw new RuntimeException("getByName(null) did not return a" +
" loopback address, but " + addrFromNullHost);
}
InetAddress addrFromEmptyHost = InetAddress.getByName("");
if (!addrFromEmptyHost.isLoopbackAddress()) {
throw new RuntimeException("getByName with a host of length == 0," +
" did not return a loopback address, but " + addrFromEmptyHost);
}
InetAddress[] addrsByNull = InetAddress.getAllByName(null);
if (!addrsByNull[0].isLoopbackAddress()) {
throw new RuntimeException("getAllByName(null) did not return" +
" a loopback address, but " + addrsByNull[0]);
}
InetAddress[] addrsByEmpty = InetAddress.getAllByName("");
if (!addrsByEmpty[0].isLoopbackAddress()) {
throw new RuntimeException("getAllByName with a host of length" +
" == 0, did not return a loopback address, but " + addrsByEmpty[0]);
}
}
}