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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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205
test/jdk/java/io/File/SetAccess.java Normal file
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/*
* Copyright (c) 2005, 2025, 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 4167472 5097703 6216563 6284003 6728842 6464744
@summary Basic test for setWritable/Readable/Executable methods
@library /test/lib
@build SetAccess Util
@run main SetAccess
*/
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.attribute.PosixFileAttributes;
import java.nio.file.attribute.PosixFilePermissions;
import jtreg.SkippedException;
public class SetAccess {
public static void main(String[] args) throws Exception {
if (Util.isPrivileged()) {
throw new SkippedException("Unable to test file permissions when running with privileges");
}
File d = new File(System.getProperty("test.dir", "."));
File f = new File(d, "x.SetAccessPermission");
if (f.exists() && !f.delete())
throw new Exception("Can't delete test file: " + f);
OutputStream o = new FileOutputStream(f);
o.write('x');
o.close();
doTest(f);
f = new File(d, "x.SetAccessPermission.dir");
if (f.exists() && !f.delete())
throw new Exception("Can't delete test dir: " + f);
if (!f.mkdir())
throw new Exception(f + ": Cannot create directory");
doTest(f);
}
public static void doTest(File f) throws Exception {
if (!System.getProperty("os.name").startsWith("Windows")) {
if (!f.setReadOnly())
throw new Exception(f + ": setReadOnly Failed");
if (!f.setWritable(true, true) ||
!f.canWrite() ||
permission(f).charAt(2) != 'w')
throw new Exception(f + ": setWritable(true, true) Failed");
if (!f.setWritable(false, true) ||
f.canWrite() ||
permission(f).charAt(2) != '-')
throw new Exception(f + ": setWritable(false, true) Failed");
if (!f.setWritable(true, false) ||
!f.canWrite() ||
!permission(f).matches(".(.w.){3}"))
throw new Exception(f + ": setWritable(true, false) Failed");
if (!f.setWritable(false, false) ||
f.canWrite() ||
!permission(f).matches(".(.-.){3}"))
throw new Exception(f + ": setWritable(false, true) Failed");
if (!f.setWritable(true) || !f.canWrite() ||
permission(f).charAt(2) != 'w')
throw new Exception(f + ": setWritable(true, true) Failed");
if (!f.setWritable(false) || f.canWrite() ||
permission(f).charAt(2) != '-')
throw new Exception(f + ": setWritable(false, true) Failed");
if (!f.setExecutable(true, true) ||
!f.canExecute() ||
permission(f).charAt(3) != 'x')
throw new Exception(f + ": setExecutable(true, true) Failed");
if (!f.setExecutable(false, true) ||
f.canExecute() ||
permission(f).charAt(3) != '-')
throw new Exception(f + ": setExecutable(false, true) Failed");
if (!f.setExecutable(true, false) ||
!f.canExecute() ||
!permission(f).matches(".(..x){3}"))
throw new Exception(f + ": setExecutable(true, false) Failed");
if (!f.setExecutable(false, false) ||
f.canExecute() ||
!permission(f).matches(".(..-){3}"))
throw new Exception(f + ": setExecutable(false, false) Failed");
if (!f.setExecutable(true) || !f.canExecute() ||
permission(f).charAt(3) != 'x')
throw new Exception(f + ": setExecutable(true, true) Failed");
if (!f.setExecutable(false) || f.canExecute() ||
permission(f).charAt(3) != '-')
throw new Exception(f + ": setExecutable(false, true) Failed");
if (!f.setReadable(true, true) ||
!f.canRead() ||
permission(f).charAt(1) != 'r')
throw new Exception(f + ": setReadable(true, true) Failed");
if (!f.setReadable(false, true) ||
f.canRead() ||
permission(f).charAt(1) != '-')
throw new Exception(f + ": setReadable(false, true) Failed");
if (!f.setReadable(true, false) ||
!f.canRead() ||
!permission(f).matches(".(r..){3}"))
throw new Exception(f + ": setReadable(true, false) Failed");
if (!f.setReadable(false, false) ||
f.canRead() ||
!permission(f).matches(".(-..){3}"))
throw new Exception(f + ": setReadable(false, false) Failed");
if (!f.setReadable(true) || !f.canRead() ||
permission(f).charAt(1) != 'r')
throw new Exception(f + ": setReadable(true, true) Failed");
if (!f.setReadable(false) || f.canRead() ||
permission(f).charAt(1) != '-')
throw new Exception(f + ": setReadable(false, true) Failed");
} else {
// Windows platform
if (f.isFile()) {
if (!f.setReadOnly())
throw new Exception(f + ": setReadOnly Failed");
if (!f.setWritable(true, true) || !f.canWrite())
throw new Exception(f + ": setWritable(true, true) Failed");
if (!f.setWritable(true, false) || !f.canWrite())
throw new Exception(f + ": setWritable(true, false) Failed");
if (!f.setWritable(true) || !f.canWrite())
throw new Exception(f + ": setWritable(true, true) Failed");
if (!f.setExecutable(true, true) || !f.canExecute())
throw new Exception(f + ": setExecutable(true, true) Failed");
if (!f.setExecutable(true, false) || !f.canExecute())
throw new Exception(f + ": setExecutable(true, false) Failed");
if (!f.setExecutable(true) || !f.canExecute())
throw new Exception(f + ": setExecutable(true, true) Failed");
if (!f.setReadable(true, true) || !f.canRead())
throw new Exception(f + ": setReadable(true, true) Failed");
if (!f.setReadable(true, false) || !f.canRead())
throw new Exception(f + ": setReadable(true, false) Failed");
if (!f.setReadable(true) || !f.canRead())
throw new Exception(f + ": setReadable(true, true) Failed");
}
if (f.isDirectory()) {
// setWritable should fail on directories because the DOS
// readonly attribute prevents a directory from being deleted.
if (f.setWritable(false, true))
throw new Exception(f + ": setWritable(false, true) Succeeded");
if (f.setWritable(false, false))
throw new Exception(f + ": setWritable(false, false) Succeeded");
if (f.setWritable(false))
throw new Exception(f + ": setWritable(false) Succeeded");
} else {
if (!f.setWritable(false, true) || f.canWrite())
throw new Exception(f + ": setWritable(false, true) Failed");
if (!f.setWritable(false, false) || f.canWrite())
throw new Exception(f + ": setWritable(false, false) Failed");
if (!f.setWritable(false) || f.canWrite())
throw new Exception(f + ": setWritable(false) Failed");
}
if (f.setExecutable(false, true))
throw new Exception(f + ": setExecutable(false, true) Failed");
if (f.setExecutable(false, false))
throw new Exception(f + ": setExecutable(false, false) Failed");
if (f.setExecutable(false))
throw new Exception(f + ": setExecutable(false, true) Failed");
if (f.setReadable(false, true))
throw new Exception(f + ": setReadable(false, true) Failed");
if (f.setReadable(false, false))
throw new Exception(f + ": setReadable(false, false) Failed");
if (f.setReadable(false))
throw new Exception(f + ": setReadable(false, true) Failed");
if (f.isFile() && !f.canWrite()) {
// Files must not be left in a read-only state as the
// jdk.io.File.deleteReadOnly property is not set
if (!f.setWritable(true))
throw new Exception(f + ": setWritable(true, true) Failed");
}
}
if (f.exists() && !f.delete())
throw new Exception("Can't delete test dir: " + f);
}
private static String permission(File f) throws Exception {
PosixFileAttributes attrs = Files.readAttributes(f.toPath(), PosixFileAttributes.class);
String type = attrs.isDirectory() ? "d" : " ";
return type + PosixFilePermissions.toString(attrs.permissions());
}
}