1 /* 2 * Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 /* 24 * @test 25 * @bug 6673164 26 * @bug 6552334 27 * @run main/othervm DnsFallback 28 * @summary fix dns_fallback parse error, and use dns by default 29 */ 30 31 import java.io.*; 32 import java.lang.reflect.Method; 33 import sun.security.krb5.Config; 34 35 public class DnsFallback { 36 37 static Method useDNS_Realm; 38 39 public static void main(String[] args) throws Exception { 40 41 useDNS_Realm = Config.class.getDeclaredMethod("useDNS_Realm"); 42 useDNS_Realm.setAccessible(true); 43 44 45 // for 6673164 46 check("true", "true", true); 47 check("false", "true", false); 48 check("true", "false", true); 49 check("false", "false", false); 50 check("true", null, true); 51 check("false", null, false); 52 check(null, "true", true); 53 check(null, "false", false); 54 55 // for 6552334 56 check(null, null, true); 57 } 58 59 static void check(String realm, String fallback, boolean output) 60 throws Exception { 61 62 try (PrintStream ps = 63 new PrintStream(new FileOutputStream("dnsfallback.conf"))) { 64 ps.println("[libdefaults]\n"); 65 if (realm != null) { 66 ps.println("dns_lookup_realm=" + realm); 67 } 68 if (fallback != null) { 69 ps.println("dns_fallback=" + fallback); 70 } 71 } 72 73 System.setProperty("java.security.krb5.conf", "dnsfallback.conf"); 74 Config.refresh(); 75 System.out.println("Testing " + realm + ", " + fallback + ", " + output); 76 77 if (!useDNS_Realm.invoke(Config.getInstance()).equals(output)) { 78 throw new Exception("Fail"); 79 } 80 } 81 } 82