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/Test5023557.java

@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2010, 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 5023557
+ * @summary Tests complex references
+ * @run main/othervm Test5023557
+ * @author Sergey Malenkov
+ */
+
+import java.beans.DefaultPersistenceDelegate;
+import java.beans.Encoder;
+import java.beans.Expression;
+import java.beans.XMLEncoder;
+
+public class Test5023557 extends AbstractTest {
+    public static void main(String[] args) {
+        new Test5023557().test();
+    }
+
+    @Override
+    protected void initialize(XMLEncoder encoder) {
+        encoder.setPersistenceDelegate(B.class, new BDelegate());
+        encoder.setPersistenceDelegate(C.class, new CDelegate());
+    }
+
+    protected Object getObject() {
+        A a = new A();
+        return a.newC(a.newB());
+    }
+
+    public static class A {
+        public B newB() {
+            return new B(this);
+        }
+
+        public C newC(B b) {
+            return new C(b);
+        }
+    }
+
+    public static class B {
+        private final A a;
+
+        private B(A a) {
+            this.a = a;
+        }
+
+        public A getA() {
+            return this.a;
+        }
+    }
+
+    public static class C {
+        private final B b;
+
+        private C(B b) {
+            this.b = b;
+        }
+
+        public B getB() {
+            return this.b;
+        }
+    }
+
+    public static class BDelegate extends DefaultPersistenceDelegate {
+        protected Expression instantiate(Object old, Encoder out) {
+            B b = (B) old;
+            return new Expression(b, b.getA(), "newB", new Object[0]);
+        }
+    }
+
+    public static class CDelegate extends DefaultPersistenceDelegate {
+        protected Expression instantiate(Object old, Encoder out) {
+            C c = (C) old;
+            return new Expression(c, c.getB().getA(), "newC", new Object[] { c.getB() });
+        }
+    }
+}