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/beans/XMLEncoder/6777487/TestEncoder.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2009, 2024, 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.beans.Expression;
+import java.beans.XMLEncoder;
+
+final class TestEncoder extends XMLEncoder {
+    private Expression expression;
+
+    private TestEncoder() {
+        super(System.out);
+    }
+
+    @Override
+    public void writeExpression(Expression expression) {
+        if (this.expression == null) {
+            this.expression = expression;
+        }
+        super.writeExpression(expression);
+    }
+
+    public static void test(Object provider, Object object, Object value) {
+        TestEncoder encoder = new TestEncoder();
+        encoder.setPersistenceDelegate(
+                object.getClass(),
+                encoder.getPersistenceDelegate(provider.getClass()));
+        encoder.writeObject(object);
+        encoder.close();
+
+        if (encoder.expression != null) {
+            for (Object argument : encoder.expression.getArguments()) {
+                if (value.equals(argument)) {
+                    throw new Error("Found private value!");
+                }
+            }
+        }
+    }
+}