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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
commit 0a580b313d
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test/langtools/tools/javac/nativeHeaders/EncodeInnerClassNameTest.java Normal file
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/*
* Copyright (c) 2021, 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 8232948
* @summary Make sure inner classes are correctly encoded
* @library /tools/lib
* @modules jdk.compiler/com.sun.tools.javac.api
* @modules jdk.compiler/com.sun.tools.javac.main
* @build toolbox.JavacTask toolbox.TestRunner toolbox.ToolBox
* @run main EncodeInnerClassNameTest
*/
import toolbox.JavacTask;
import toolbox.ToolBox;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.List;
public class EncodeInnerClassNameTest {
private final ToolBox toolBox = new ToolBox();
private final String source = """
package p.q;
public class Outer {
public class Inner {
native Inner aMethod();
native void aMethod(Inner i);
native void aMethod(Inner i, Inner j);
}
}
""";
private final String expected = """
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class p_q_Outer_Inner */
#ifndef _Included_p_q_Outer_Inner
#define _Included_p_q_Outer_Inner
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: p_q_Outer_Inner
* Method: aMethod
* Signature: ()Lp/q/Outer/Inner;
*/
JNIEXPORT jobject JNICALL Java_p_q_Outer_00024Inner_aMethod__
(JNIEnv *, jobject);
/*
* Class: p_q_Outer_Inner
* Method: aMethod
* Signature: (Lp/q/Outer/Inner;)V
*/
JNIEXPORT void JNICALL Java_p_q_Outer_00024Inner_aMethod__Lp_q_Outer_00024Inner_2
(JNIEnv *, jobject, jobject);
/*
* Class: p_q_Outer_Inner
* Method: aMethod
* Signature: (Lp/q/Outer/Inner;Lp/q/Outer/Inner;)V
*/
JNIEXPORT void JNICALL Java_p_q_Outer_00024Inner_aMethod__Lp_q_Outer_00024Inner_2Lp_q_Outer_00024Inner_2
(JNIEnv *, jobject, jobject, jobject);
#ifdef __cplusplus
}
#endif
#endif
""";
public static void main(String... args) throws Exception {
new EncodeInnerClassNameTest().runTest();
}
public void runTest() throws Exception {
JavacTask task = new JavacTask(toolBox);
task.outdir(".")
.sources(source)
.options("-h", ".")
.run()
.writeAll();
List<String> expected = Arrays.asList(this.expected.split("\\R"));
List<String> res = toolBox.readAllLines(Path.of(".", "p_q_Outer_Inner.h"));
toolBox.checkEqual(expected, res);
}
}