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/io/Serializable/evolution/RenamePackage/extension/ExtendedObjectInputStream.java
+++ b/test/jdk/java/io/Serializable/evolution/RenamePackage/extension/ExtendedObjectInputStream.java
@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 1998, 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.
+ */
+
+package extension;
+
+import java.util.Hashtable;
+import java.io.*;
+
+public class ExtendedObjectInputStream extends ObjectInputStream {
+
+    private static Hashtable renamedClassMap;
+
+    public ExtendedObjectInputStream(InputStream si)
+        throws IOException, StreamCorruptedException
+    {
+        super(si);
+    }
+
+    protected Class resolveClass(ObjectStreamClass v)
+        throws IOException, ClassNotFoundException
+    {
+        if (renamedClassMap != null) {
+            //      System.out.println("resolveClass(" + v.getName() + ")");
+            Class newClass = (Class)renamedClassMap.get(v.getName());
+            if (newClass != null) {
+                v = ObjectStreamClass.lookup(newClass);
+            }
+        }
+        return super.resolveClass(v);
+    }
+
+    public static void addRenamedClassName(String oldName, String newName)
+        throws ClassNotFoundException
+    {
+        Class cl = null;
+
+        if (renamedClassMap == null)
+            renamedClassMap = new Hashtable(10);
+        if (newName.startsWith("[L")) {
+            //      System.out.println("Array processing");
+            Class componentType =
+                Class.forName(newName.substring(2));
+            //System.out.println("ComponentType=" + componentType.getName());
+            Object dummy =
+                java.lang.reflect.Array.newInstance(componentType, 3);
+
+            cl = dummy.getClass();
+            //      System.out.println("Class=" + cl.getName());
+        }
+        else
+            cl = Class.forName(newName);
+        //System.out.println("oldName=" + oldName +
+        //                   " newName=" + cl.getName());
+        renamedClassMap.put(oldName, cl);
+    }
+
+}