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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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168
test/jdk/java/util/logging/FileHandlerPath.java Normal file
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/*
* Copyright (c) 2014, 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.
*/
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Properties;
import java.util.UUID;
import java.util.logging.FileHandler;
import java.util.logging.LogManager;
/**
* @test
* @bug 8059269
* @summary tests that using a simple (non composite) pattern does not lead
* to NPE when the lock file already exists.
* @run main/othervm/timeout=480 FileHandlerPath
* @author danielfuchs
* @key randomness
*/
public class FileHandlerPath {
// We will test the simple pattern
public static void run(Properties propertyFile) throws Exception {
setUp(propertyFile);
test(propertyFile.getProperty("test.name"), propertyFile);
}
// Use a random name provided by UUID to avoid collision with other tests
static final String logFile = FileHandlerPath.class.getSimpleName() + "_"
+ UUID.randomUUID().toString() + ".log";
static final String tmpLogFile;
static final String userDir = System.getProperty("user.dir");
static final String tmpDir = System.getProperty("java.io.tmpdir");
private static final List<Properties> properties;
static {
tmpLogFile = new File(tmpDir, logFile).toString();
Properties props1 = new Properties();
Properties props2 = new Properties();
props1.setProperty("test.name", "relative file");
props1.setProperty("test.file.name", logFile);
props1.setProperty(FileHandler.class.getName() + ".pattern", logFile);
props1.setProperty(FileHandler.class.getName() + ".count", "1");
props2.setProperty("test.name", "absoluste file");
props2.setProperty("test.file.name", tmpLogFile);
props2.setProperty(FileHandler.class.getName() + ".pattern", "%t/" + logFile);
props2.setProperty(FileHandler.class.getName() + ".count", "1");
properties = Collections.unmodifiableList(Arrays.asList(
props1,
props2));
}
public static void main(String... args) throws Exception {
// Sanity checks
if (!Files.isWritable(Paths.get(userDir))) {
throw new RuntimeException(userDir +
": user.dir is not writable - can't run test.");
}
if (!Files.isWritable(Paths.get(tmpDir))) {
throw new RuntimeException(tmpDir +
": java.io.tmpdir is not writable - can't run test.");
}
File[] files = {
new File(logFile),
new File(tmpLogFile),
new File(logFile+".1"),
new File(tmpLogFile+".1"),
new File(logFile+".lck"),
new File(tmpLogFile+".lck"),
new File(logFile+".1.lck"),
new File(tmpLogFile+".1.lck")
};
for (File log : files) {
if (log.exists()) {
throw new Exception(log +": file already exists - can't run test.");
}
}
// Now start the real test
try {
for (Properties propertyFile : properties) {
run(propertyFile);
}
} finally {
// Cleanup...
for(File log : files) {
try {
final boolean isLockFile = log.getName().endsWith(".lck");
// lock file should already be deleted, except if the
// test failed in exception.
// log file should all be present, except if the test
// failed in exception.
if (log.exists()) {
if (!isLockFile) {
System.out.println("deleting "+log.toString());
} else {
System.err.println("deleting lock file "+log.toString());
}
log.delete();
} else {
if (!isLockFile) {
System.err.println(log.toString() + ": not found.");
}
}
} catch (Throwable t) {
// should not happen
t.printStackTrace();
}
}
}
}
static void setUp(Properties propertyFile) {
try {
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
propertyFile.store(bytes, propertyFile.getProperty("test.name"));
ByteArrayInputStream bais = new ByteArrayInputStream(bytes.toByteArray());
LogManager.getLogManager().readConfiguration(bais);
} catch (IOException ex) {
throw new RuntimeException(ex);
}
}
public static void test(String name, Properties props) throws Exception {
System.out.println("Testing: " + name);
String file = props.getProperty("test.file.name");
// create the lock files first - in order to take the path that
// used to trigger the NPE
Files.createFile(Paths.get(file + ".lck"));
Files.createFile(Paths.get(file + ".1.lck"));
final FileHandler f1 = new FileHandler();
final FileHandler f2 = new FileHandler();
f1.close();
f2.close();
System.out.println("Success for: " + name);
}
}