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/net/URLClassLoader/sealing/CheckSealed.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 1999, 2017, 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.
+ */
+
+public class CheckSealed {
+
+    public static void main(String[] argv) throws Exception {
+        boolean fail = true;
+        try {
+            if ("1".equals(argv[0])) {
+                test1();
+                test2();
+            } else if ("2".equals(argv[0])) {
+                test2();
+                test1();
+            }
+        } catch (java.lang.SecurityException e) {
+            fail = false;
+        }
+        if (fail) {
+            throw new Exception("Sealing violation undetected.");
+        }
+    }
+
+    private static void test1() {
+        p.A.hello();
+    }
+
+    private static void test2() {
+        p.B.hello();
+    }
+}