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/InetAddress/IsHostReachableBug.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2003, 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 4922568 8133015
+ * @run main/othervm -Djava.net.preferIPv4Stack=true IsHostReachableBug
+ * @summary  isReachable returns true for IPv6
+ */
+
+import java.net.*;
+import java.io.*;
+
+public class IsHostReachableBug {
+    public static void main(String[] args) throws Exception{
+                String hostName = "fec0::1:a00:20ff:feed:b08d";
+                BufferedReader in = null;
+                FileWriter fw = null;
+                String inString = " ";
+                if (args.length > 0)
+                        hostName = args[0];
+
+                InetAddress addr = InetAddress.getByName(hostName);
+                System.out.println("InetAddress is : " + addr);
+                System.out.println("Is InetAddress instance of Inet6Address ? "
++ (addr instanceof Inet6Address));
+                if (!addr.isReachable(10000)){
+                        System.out.println(hostName + " is not reachable");
+                }else {
+                        throw new RuntimeException ("IPv6 address should not be reachable");
+                }
+
+
+    }
+}