--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/security/krb5/auto/TcpTimeout.java	Tue Nov 09 08:34:11 2010 +0800
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2010, 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 6952519
+ * @run main/timeout=40/othervm TcpTimeout
+ * @summary kdc_timeout is not being honoured when using TCP
+ */
+
+import java.io.*;
+import java.net.ServerSocket;
+import sun.security.krb5.Config;
+
+public class TcpTimeout {
+    public static void main(String[] args)
+            throws Exception {
+
+        System.setProperty("sun.security.krb5.debug", "true");
+        final int p1 = 10000 + new java.util.Random().nextInt(10000);
+        final int p2 = 20000 + new java.util.Random().nextInt(10000);
+        final int p3 = 30000 + new java.util.Random().nextInt(10000);
+
+        KDC k = new KDC(OneKDC.REALM, OneKDC.KDCHOST, p3, true);
+        k.addPrincipal(OneKDC.USER, OneKDC.PASS);
+        k.addPrincipalRandKey("krbtgt/" + OneKDC.REALM);
+
+        // Start two listener that does not communicate, simulate timeout
+        new Thread() {
+            public void run() {
+                try {
+                    new ServerSocket(p1).accept();
+                } catch (Exception e) {
+                }}
+        }.start();
+        new Thread() {
+            public void run() {
+                try {
+                    new ServerSocket(p2).accept();
+                } catch (Exception e) {
+                }}
+        }.start();
+
+        FileWriter fw = new FileWriter("alternative-krb5.conf");
+
+        fw.write("[libdefaults]\n" +
+                "udp_preference_limit = 1\n" +
+                "max_retries = 2\n" +
+                "default_realm = " + OneKDC.REALM + "\n" +
+                "kdc_timeout = 5000\n");
+        fw.write("[realms]\n" + OneKDC.REALM + " = {\n" +
+                "kdc = " + OneKDC.KDCHOST + ":" + p1 + "\n" +
+                "kdc = " + OneKDC.KDCHOST + ":" + p2 + "\n" +
+                "kdc = " + OneKDC.KDCHOST + ":" + p3 + "\n" +
+                "}\n");
+
+        fw.close();
+        System.setProperty("java.security.krb5.conf", "alternative-krb5.conf");
+        Config.refresh();
+
+        // The correct behavior should be:
+        // 5 sec on p1, 5 sec on p1, fail
+        // 5 sec on p2, 5 sec on p2, fail
+        // p3 ok, p3 ok again for preauth.
+        // The total time should be 20sec + 2x. x is processing time for AS-REQ.
+        int count = 6;
+        long start = System.nanoTime();
+
+        ByteArrayOutputStream bo = new ByteArrayOutputStream();
+        PrintStream oldout = System.out;
+        System.setOut(new PrintStream(bo));
+        Context c = Context.fromUserPass(OneKDC.USER, OneKDC.PASS, false);
+        System.setOut(oldout);
+
+        String[] lines = new String(bo.toByteArray()).split("\n");
+        for (String line: lines) {
+            if (line.startsWith(">>> KDCCommunication")) {
+                System.out.println(line);
+                count--;
+            }
+        }
+        if (count != 0) {
+            throw new Exception("Retry count is " + count + " less");
+        }
+
+        long end = System.nanoTime();
+        if ((end - start)/1000000000L < 20) {
+            throw new Exception("Too fast? " + (end - start)/1000000000L);
+        }
+    }
+
+    private static KDC on(int p) throws Exception {
+        KDC k = new KDC(OneKDC.REALM, OneKDC.KDCHOST, p, true);
+        k.addPrincipal(OneKDC.USER, OneKDC.PASS);
+        k.addPrincipalRandKey("krbtgt/" + OneKDC.REALM);
+        return k;
+    }
+
+    private static void addFakeKDCs()
+            throws Exception {
+        BufferedReader fr = new BufferedReader(new FileReader(OneKDC.KRB5_CONF));
+        FileWriter fw = new FileWriter("alternative-krb5.conf");
+        while (true) {
+            String s = fr.readLine();
+            if (s == null) {
+                break;
+            }
+            if (s.trim().startsWith("kdc = ")) {
+                fw.write("    kdc = localhost:33333\n");
+                fw.write("    kdc = localhost:22222\n");
+            }
+            fw.write(s + "\n");
+        }
+        fr.close();
+        fw.close();
+        sun.security.krb5.Config.refresh();
+    }
+}