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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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51
test/jdk/java/io/File/UserDirChangedTest.java Normal file
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/*
* Copyright (c) 2018, 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 8194154
@summary Test changing property user.dir on impacting getCanonicalPath
@run main/othervm UserDirChangedTest
*/
import java.io.File;
public class UserDirChangedTest {
public static void main(String[] args) throws Exception {
String keyUserDir = "user.dir";
String userDirNew = "/home/a/b/c/";
String fileName = "./a";
String userDir = System.getProperty(keyUserDir);
File file = new File(fileName);
String canFilePath = file.getCanonicalPath();
// now reset user.dir, this will cause crash on linux without bug 8194154 fixed.
System.setProperty(keyUserDir, userDirNew);
String newCanFilePath = file.getCanonicalPath();
System.out.format("%24s %48s%n", "Canonical Path = ", canFilePath);
System.out.format("%24s %48s%n", "new Canonical Path = ", newCanFilePath);
if (!canFilePath.equals(newCanFilePath)) {
throw new RuntimeException("Changing property user.dir should have no effect on getCanonicalPath");
}
}
}