undefect. CWE-407 — 63 sites patched across 27 ecosystems

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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/java/lang/ClassLoader/getResource/automaticmodules/Main.java
+++ b/test/jdk/java/lang/ClassLoader/getResource/automaticmodules/Main.java
@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2017, 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.IOException;
+import java.io.InputStream;
+import java.lang.module.ModuleReader;
+import java.lang.module.ModuleReference;
+import java.lang.module.ResolvedModule;
+import java.net.URL;
+import java.util.Enumeration;
+import java.util.stream.Stream;
+
+/**
+ * Usage: Main $MODULE
+ *
+ * Finds $MODULE in the boot layer and then tests that it can locate every
+ * resource in the module content (JAR file).
+ */
+
+public class Main {
+
+    static void testFind(String name) throws Exception {
+        // getResource
+        URL url = Main.class.getClassLoader().getResource(name);
+        if (url == null)
+            throw new RuntimeException("Unable to locate: " + name);
+        System.out.println(name + " => " + url);
+
+        // getResources
+        Enumeration<URL> urls = Main.class.getClassLoader().getResources(name);
+        if (!urls.hasMoreElements())
+            throw new RuntimeException("Unable to locate: " + name);
+        URL first = urls.nextElement();
+        if (!first.toURI().equals(url.toURI()))
+            throw new RuntimeException("found " + first + " ???");
+
+        // getResourceAsStream
+        if (!url.toString().endsWith("/")) {
+            InputStream in = Main.class.getClassLoader().getResourceAsStream(name);
+            if (in == null)
+                throw new RuntimeException("Unable to locate: " + name);
+            in.close();
+        }
+    }
+
+    static void testFindUnchecked(String name) {
+        try {
+            testFind(name);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        String mn = args[0];
+
+        ModuleReference mref = ModuleLayer.boot()
+                .configuration()
+                .findModule(mn)
+                .map(ResolvedModule::reference)
+                .orElseThrow(() -> new RuntimeException(mn + " not resolved!!"));
+
+        try (ModuleReader reader = mref.open();
+             Stream<String> stream = reader.list()) {
+            stream.forEach(name -> {
+                testFindUnchecked(name);
+
+                // if the resource is a directory then find without trailing slash
+                if (name.endsWith("/")) {
+                    testFindUnchecked(name.substring(0, name.length() - 1));
+                }
+            });
+        }
+    }
+}