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/javax/management/monitor/MBeanServerForwarderInvocationHandler.java

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2005, 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.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+import javax.management.MBeanServer;
+import javax.management.remote.MBeanServerForwarder;
+
+public class MBeanServerForwarderInvocationHandler
+    implements InvocationHandler {
+
+    public static MBeanServerForwarder newProxyInstance() {
+
+        final InvocationHandler handler =
+            new MBeanServerForwarderInvocationHandler();
+
+        final Class[] interfaces =
+            new Class[] {MBeanServerForwarder.class};
+
+        Object proxy = Proxy.newProxyInstance(
+                             MBeanServerForwarder.class.getClassLoader(),
+                             interfaces,
+                             handler);
+
+        return MBeanServerForwarder.class.cast(proxy);
+    }
+
+    public Object invoke(Object proxy, Method method, Object[] args)
+        throws Throwable {
+
+        final String methodName = method.getName();
+
+        if (methodName.equals("getMBeanServer")) {
+            return mbs;
+        }
+
+        if (methodName.equals("setMBeanServer")) {
+            if (args[0] == null)
+                throw new IllegalArgumentException("Null MBeanServer");
+            if (mbs != null)
+                throw new IllegalArgumentException("MBeanServer object " +
+                                                   "already initialized");
+            mbs = (MBeanServer) args[0];
+            return null;
+        }
+
+        if (methodName.equals("getAttribute") && exception != null) {
+            throw exception;
+        }
+
+        return method.invoke(mbs, args);
+    }
+
+    public void setGetAttributeException(Exception exception) {
+        this.exception = exception;
+    }
+
+    private Exception exception;
+    private MBeanServer mbs;
+}