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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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test/jdk/java/rmi/server/RMIClassLoader/delegateToContextLoader/DelegateToContextLoader.java Normal file
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/*
* Copyright (c) 1998, 2024, 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 4112682
* @summary RMIClassLoader's loadClass() method that takes explicit URLs
* should load classes from a class loader that delegates to the current
* thread's context class loader (not just the base class loader always).
* @author Peter Jones
*
* @library ../../../testlibrary
* @modules java.rmi/sun.rmi.registry
* java.rmi/sun.rmi.server
* java.rmi/sun.rmi.transport
* java.rmi/sun.rmi.transport.tcp
* @build TestLibrary Dummy
* @run main/othervm/timeout=120 DelegateToContextLoader
*/
import java.io.*;
import java.net.*;
import java.security.*;
import java.rmi.server.RMIClassLoader;
public class DelegateToContextLoader {
/** name of target class to attempt to load */
private static final String className = "Dummy";
/** name of file containing definition for target class */
private static final String classFileName = className + ".class";
public static void main(String[] args) throws Exception {
URL codebaseURL = TestLibrary.
installClassInCodebase(className, "codebase");
/* Create a URLClassLoader to load from the codebase and set it
* as this thread's context class loader. We do not use the
* URLClassLoader.newInstance() method so that the test will
* compile with more early versions of the JDK.
*
* We can get away with creating a class loader like this
* because there is no security manager set yet.
*/
ClassLoader codebaseLoader =
new URLClassLoader(new URL[] { codebaseURL } );
Thread.currentThread().setContextClassLoader(codebaseLoader);
File srcDir = new File(TestLibrary.getProperty("test.classes", "."));
URL dummyURL = new URL("file", "",
srcDir.getAbsolutePath().replace(File.separatorChar, '/') +
"/x-files/");
try {
/*
* Attempt to load the target class from the dummy URL;
* it should be found in the context class loader.
*/
Class cl = RMIClassLoader.loadClass(dummyURL, className);
System.err.println("TEST PASSED: loaded class: " + cl);
} catch (ClassNotFoundException e) {
throw new RuntimeException(
"TEST FAILED: target class in context class loader " +
"not found using RMIClassLoader");
}
}
}