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/rmi/server/UnicastRemoteObject/useDynamicProxies/UseDynamicProxies.java

@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2003, 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 4507539
+ * @summary support using dynamic proxies as RMI stubs
+ * @author Ann Wollrath
+ *
+ * @build UseDynamicProxies UseDynamicProxies_Stub
+ * @run main/othervm/timeout=240 UseDynamicProxies true
+ * @run main/othervm/timeout=240 UseDynamicProxies
+ * false
+ */
+
+import java.io.IOException;
+import java.lang.reflect.Proxy;
+import java.rmi.Remote;
+import java.rmi.server.RemoteObjectInvocationHandler;
+import java.rmi.server.RemoteStub;
+import java.rmi.server.UnicastRemoteObject;
+
+public class UseDynamicProxies implements RemoteInterface {
+
+
+    public Object passObject(Object obj) {
+        return obj;
+    }
+
+    public int passInt(int x) {
+        return x;
+    }
+
+    public String passString(String string) {
+        return string;
+    }
+
+    public static void main(String[] args) throws Exception {
+
+        RemoteInterface server = null;
+        RemoteInterface proxy = null;
+
+        try {
+            System.setProperty("java.rmi.server.ignoreStubClasses", args[0]);
+            boolean ignoreStubClasses = Boolean.parseBoolean(args[0]);
+
+            System.err.println("export object");
+            server = new UseDynamicProxies();
+            proxy =
+                (RemoteInterface) UnicastRemoteObject.exportObject(server, 0);
+
+            System.err.println("proxy = " + proxy);
+            if (ignoreStubClasses) {
+                if (!Proxy.isProxyClass(proxy.getClass())) {
+                    throw new RuntimeException(
+                        "server proxy is not a dynamic proxy");
+                }
+                if (!(Proxy.getInvocationHandler(proxy) instanceof
+                      RemoteObjectInvocationHandler))
+                {
+                    throw new RuntimeException("invalid invocation handler");
+                }
+
+            } else if (!(proxy instanceof RemoteStub)) {
+                throw new RuntimeException(
+                    "server proxy is not a RemoteStub");
+            }
+
+            System.err.println("invoke methods");
+            Object obj = proxy.passObject(proxy);
+            if (!proxy.equals(obj)) {
+                throw new RuntimeException("returned proxy not equal");
+            }
+
+            int x = proxy.passInt(53);
+            if (x != 53) {
+                throw new RuntimeException("returned int not equal");
+            }
+
+            String string = proxy.passString("test");
+            if (!string.equals("test")) {
+                throw new RuntimeException("returned string not equal");
+            }
+
+            System.err.println("TEST PASSED");
+
+        } finally {
+            if (proxy != null) {
+                UnicastRemoteObject.unexportObject(server, true);
+            }
+        }
+    }
+}
+
+
+interface RemoteInterface extends Remote {
+    Object passObject(Object obj) throws IOException;
+    int passInt(int x) throws IOException;
+    String passString(String string) throws IOException;
+}