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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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106
test/langtools/tools/javac/processing/6499119/ClassProcessor.java Normal file
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/*
* Copyright (c) 2010, 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.
*/
import java.io.*;
import java.util.*;
import javax.annotation.processing.*;
import javax.lang.model.element.*;
import javax.lang.model.SourceVersion;
/*
* @test
* @bug 6499119
* @summary Created package-info class file modeled improperly
* @library /tools/javac/lib
* @modules java.compiler
* jdk.compiler
* @build JavacTestingAbstractProcessor
* @compile ClassProcessor.java package-info.java
* @compile/process -cp . -processor ClassProcessor -Akind=java java.lang.Object
* @compile/process -cp . -processor ClassProcessor -Akind=class java.lang.Object
*/
@SupportedOptions({ "gen", "expect" })
public class ClassProcessor extends JavacTestingAbstractProcessor {
int round = 1;
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
if (round == 1) {
System.out.println("-- Round 1 --");
createPackageFile();
} else if (round == 2) {
boolean found_foo_A = false;
System.out.println("-- Round 2 --");
for(Element e: roundEnv.getRootElements()) {
System.out.println("ElementKind: " + e.getKind());
System.out.println("Modifiers: " + e.getModifiers());
System.out.println("Annotations: " + e.getAnnotationMirrors());
if (e.getAnnotationMirrors().toString().equals("@foo.A")) {
found_foo_A = true;
checkEqual("ElementKind", e.getKind().toString(), "PACKAGE");
checkEqual("Modifiers", e.getModifiers().toString(), "[]");
}
}
if (!found_foo_A)
error("did not find @foo.A");
}
round++;
return true;
}
private void createPackageFile() {
String kind = processingEnv.getOptions().get("kind");
File pkgInfo;
if (kind.equals("java"))
pkgInfo = new File(System.getProperty("test.src"), "package-info.java");
else
pkgInfo = new File(System.getProperty("test.classes"), "foo/package-info.class");
byte[] bytes = new byte[(int) pkgInfo.length()];
try (DataInputStream in = new DataInputStream(new FileInputStream(pkgInfo))) {
in.readFully(bytes);
} catch (IOException ioe) {
error("Couldn't read package info file: " + ioe);
}
try (OutputStream out = kind.equals("java") ?
filer.createSourceFile("foo.package-info").openOutputStream() :
filer.createClassFile("foo.package-info").openOutputStream()) {
out.write(bytes, 0, bytes.length);
} catch (IOException ioe) {
error("Couldn't create package info file: " + ioe);
}
}
private void checkEqual(String label, String actual, String expect) {
if (!actual.equals(expect)) {
error("Unexpected value for " + label + "; actual=" + actual + ", expected=" + expect);
}
}
private void error(String msg) {
messager.printError(msg);
}
}