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/net/URLClassLoader/closetest/GetResourceAsStream.java
+++ b/test/jdk/java/net/URLClassLoader/closetest/GetResourceAsStream.java
@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2011, 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.
+ */
+
+/**
+ * @test
+ * @bug 6899919
+ * @library /test/lib
+ * @modules jdk.compiler
+ * @build jdk.test.lib.compiler.CompilerUtils
+ *        jdk.test.lib.util.FileUtils
+ *        jdk.test.lib.util.JarUtils
+ *        jdk.test.lib.Platform
+ * @run main/othervm GetResourceAsStream
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.nio.file.StandardOpenOption;
+import jdk.test.lib.compiler.CompilerUtils;
+import jdk.test.lib.util.JarUtils;
+
+public class GetResourceAsStream extends Common {
+    private static  final String WORK_DIR = System.getProperty("user.dir");
+
+/*
+ * We simply test various scenarios with class/resource files
+ * and make sure the files can be deleted after closing
+ * the loader. Therefore, the test will only really be verified
+ * on Windows. It will still run correctly on other platforms
+ */
+    public static void main (String args[]) throws Exception {
+        setup();
+
+        /* the jar we copy for each test */
+        File srcfile = new File(WORK_DIR, "foo.jar");
+
+        /* the jar we use for the test */
+        File testfile = new File(WORK_DIR, "test.jar");
+
+        copyFile(srcfile, testfile);
+        test(testfile, false, false);
+
+        copyFile(srcfile, testfile);
+        test(testfile, true, false);
+
+        copyFile(srcfile, testfile);
+        test(testfile, true, true);
+
+        // repeat test using a directory of files
+
+        File testdir = new File(WORK_DIR, "testdir");
+        File srcdir = new File(WORK_DIR, "test3");
+
+        copyDir(srcdir, testdir);
+        test(testdir, true, false);
+    }
+
+    // create a loader on jarfile (or directory)
+    // load a class , then look for a resource
+    // then close the loader
+    // check further new classes/resources cannot be loaded
+    // check jar (or dir) can be deleted
+
+    static void test (File file, boolean loadclass, boolean readall)
+        throws Exception
+    {
+        URL[] urls = new URL[] {file.toURI().toURL()};
+        System.out.println ("Doing tests with URL: " + urls[0]);
+        URLClassLoader loader = new URLClassLoader (urls);
+        if (loadclass) {
+            Class testclass = loadClass ("com.foo.TestClass", loader, true);
+        }
+        InputStream s = loader.getResourceAsStream ("hello.txt");
+        s.read();
+        if (readall) {
+            while (s.read() != -1) ;
+            s.close();
+        }
+
+        loader.close ();
+
+        // should not find bye.txt now
+        InputStream s1 = loader.getResourceAsStream("bye.txt");
+        if (s1 != null) {
+            throw new RuntimeException ("closed loader returned resource");
+        }
+
+        // now check we can delete the path
+        rm_minus_rf (file);
+        System.out.println (" ... OK");
+    }
+
+    /**
+     * Prepare jars files for the tests
+     */
+    private static void setup () throws IOException {
+        Path classes = Paths.get(WORK_DIR);
+        Path testSrc = Paths.get(System.getProperty("test.src"),
+                "test1", "com", "foo", "TestClass.java");
+        Path targetDir = classes.resolve("test3");
+        Path testTarget = targetDir.resolve("TestClass.java");
+        Files.createDirectories(targetDir);
+        Files.copy(testSrc, testTarget, StandardCopyOption.REPLACE_EXISTING);
+        // Compile sources for corresponding test
+        CompilerUtils.compile(targetDir, targetDir);
+        // Prepare txt files
+        Files.write(targetDir.resolve("hello.txt"), "Hello world".getBytes(),
+                    StandardOpenOption.CREATE);
+        Files.write(targetDir.resolve("bye.txt"), "Bye world".getBytes(),
+                    StandardOpenOption.CREATE);
+        // Create jar
+        JarUtils.createJarFile(classes.resolve("foo.jar"), targetDir);
+    }
+}