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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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81
test/jdk/java/lang/reflect/Proxy/nonJavaNames/Test.java Normal file
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/*
* Copyright (c) 2004, 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 4978925
* @summary This test verifies that java.lang.reflect.Proxy will work
* with a proxy interface that contains names that are not valid Java
* identifiers but that are legal at runtime as of version 49.0 of the
* class file format.
* @author Peter Jones
*
* @build Test
* @run main Test
*/
import java.lang.reflect.Proxy;
public class Test {
private static final String CLASS_NAME = "Test+Interface";
/**
* class file for empty interface named "Test+Interface"
*/
private static final byte[] CLASS_FILE = {
(byte) 0xca, (byte) 0xfe, (byte) 0xba, (byte) 0xbe,
0x00, 0x00, 0x00, 0x31,
0x00, 0x07, 0x07, 0x00, 0x05, 0x07, 0x00, 0x06,
0x01, 0x00, 0x0a, 0x53, 0x6f, 0x75, 0x72, 0x63,
0x65, 0x46, 0x69, 0x6c, 0x65, 0x01, 0x00, 0x13,
0x54, 0x65, 0x73, 0x74, 0x2b, 0x49, 0x6e, 0x74,
0x65, 0x72, 0x66, 0x61, 0x63, 0x65, 0x2e, 0x6a,
0x61, 0x76, 0x61, 0x01, 0x00, 0x0e, 0x54, 0x65,
0x73, 0x74, 0x2b, 0x49, 0x6e, 0x74, 0x65, 0x72,
0x66, 0x61, 0x63, 0x65, 0x01, 0x00, 0x10, 0x6a,
0x61, 0x76, 0x61, 0x2f, 0x6c, 0x61, 0x6e, 0x67,
0x2f, 0x4f, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x06,
0x01, 0x00, 0x01, 0x00, 0x02, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x03, 0x00,
0x00, 0x00, 0x02, 0x00, 0x04
};
public static void main(String[] args) throws Exception {
ClassLoader l = new Loader();
Class i = Class.forName(CLASS_NAME, false, l);
System.out.println(i);
Class p = Proxy.getProxyClass(i.getClassLoader(), new Class[] { i });
System.out.println(p);
}
private static class Loader extends ClassLoader {
Loader() { }
protected Class findClass(String name) throws ClassNotFoundException {
if (name.equals(CLASS_NAME)) {
return defineClass(name, CLASS_FILE, 0, CLASS_FILE.length);
} else {
return super.findClass(name);
}
}
}
}