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.

test/jdk/java/lang/instrument/RedefineMethodAddInvokeApp.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2008, 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.lang.instrument.*;
+
+public class RedefineMethodAddInvokeApp {
+    public static void main(String args[]) throws Exception {
+        System.out.println("Hello from RedefineMethodAddInvokeApp!");
+
+        new RedefineMethodAddInvokeApp().doTest();
+
+        System.exit(0);
+    }
+
+    private void doTest() throws Exception {
+        RedefineMethodAddInvokeTarget target =
+            new RedefineMethodAddInvokeTarget();
+
+        System.out.println("RedefineMethodAddInvokeApp: invoking myMethod()");
+        target.test(0);  // invoke the original myMethod()
+
+        // add myMethod1()
+        do_redefine(1);
+
+        System.out.println("RedefineMethodAddInvokeApp: invoking myMethod1()");
+        target.test(1);  // invoke myMethod1()
+
+        // add myMethod2()
+        do_redefine(2);
+
+        System.out.println("RedefineMethodAddInvokeApp: invoking myMethod2()");
+        target.test(2);  // invoke myMethod2()
+    }
+
+    private static void do_redefine(int counter) throws Exception {
+        File f = new File("RedefineMethodAddInvokeTarget_" + counter +
+            ".class");
+        System.out.println("Reading test class from " + f);
+        InputStream redefineStream = new FileInputStream(f);
+
+        byte[] redefineBuffer = NamedBuffer.loadBufferFromStream(redefineStream);
+
+        ClassDefinition redefineParamBlock = new ClassDefinition(
+            RedefineMethodAddInvokeTarget.class, redefineBuffer);
+
+        RedefineMethodAddInvokeAgent.getInstrumentation().redefineClasses(
+            new ClassDefinition[] {redefineParamBlock});
+    }
+}