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/sun/security/util/DerValue/DerValueEqualsHashCode.java

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+/*
+ * Copyright (c) 1999, 2007, 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
+ * @author Gary Ellison
+ * @bug 4170635
+ * @summary Verify equals()/hashCode() contract honored
+ * @modules java.base/sun.security.util
+ *          java.base/sun.security.x509
+ */
+
+import java.io.*;
+import sun.security.util.*;
+import sun.security.x509.*;
+
+
+public class DerValueEqualsHashCode {
+
+    public static void main(String[] args) throws Exception {
+
+        String name = "CN=user";
+        X500Name dn = new X500Name(name);
+
+        DerOutputStream deros;
+        byte[] ba;
+        //
+        // get busy
+        deros = new DerOutputStream();
+        dn.encode(deros);
+        ba = deros.toByteArray();
+
+        DerValue dv1 = new DerValue(ba);
+        DerValue dv2 = new DerValue(ba);
+
+        if ( (dv1.equals(dv2)) == (dv1.hashCode()==dv2.hashCode()) )
+            System.out.println("PASSED");
+        else
+            throw new Exception("FAILED equals()/hashCode() contract");
+
+    }
+
+}