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/Test4936682.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2007, 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.
+ */
+
+/*
+ * @test
+ * @bug 4936682
+ * @summary Tests encoding of reference to target
+ * @run main/othervm Test4936682
+ * @author Sergey Malenkov
+ */
+
+import java.beans.DefaultPersistenceDelegate;
+import java.beans.Encoder;
+import java.beans.Expression;
+import java.beans.XMLEncoder;
+
+public final class Test4936682 extends AbstractTest<Object[]> {
+    public static void main(String[] args) {
+        new Test4936682().test();
+    }
+
+    protected Object[] getObject() {
+        OuterClass outer = new OuterClass();
+        return new Object [] {outer.getInner(), outer};
+    }
+
+    protected void initialize(XMLEncoder encoder) {
+        encoder.setPersistenceDelegate(
+                OuterClass.InnerClass.class,
+                new DefaultPersistenceDelegate() {
+                    protected Expression instantiate(Object oldInstance, Encoder out) {
+                        OuterClass.InnerClass inner = (OuterClass.InnerClass) oldInstance;
+                        OuterClass outer = inner.getOuter();
+                        return new Expression(inner, outer, "getInner", new Object[0]);
+                    }
+                }
+        );
+    }
+
+    protected void validate(Object[] before, Object[] after) {
+        validate(before);
+        validate(after);
+    }
+
+    private static void validate(Object[] array) {
+        if (2 != array.length) {
+            throw new Error("unexpected array length: " + array.length);
+        }
+        OuterClass outer = (OuterClass) array[1];
+        if (!outer.getInner().equals(array[0])) {
+            throw new Error("unexpected array content");
+        }
+    }
+
+    public static final class OuterClass {
+        private final InnerClass inner = new InnerClass();
+
+        public InnerClass getInner() {
+            return this.inner;
+        }
+
+        public class InnerClass {
+            private InnerClass() {
+            }
+
+            public OuterClass getOuter() {
+                return OuterClass.this;
+            }
+        }
+    }
+}