1 /* |
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2 * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test |
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26 * @bug 6952519 |
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27 * @compile -XDignore.symbol.file TcpTimeout.java |
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28 * @run main/othervm TcpTimeout |
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29 * @summary kdc_timeout is not being honoured when using TCP |
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30 */ |
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31 |
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32 import java.io.*; |
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33 import java.net.ServerSocket; |
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34 import sun.security.krb5.Config; |
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35 |
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36 public class TcpTimeout { |
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37 public static void main(String[] args) |
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38 throws Exception { |
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39 |
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40 // Set debug to grab debug output like ">>> KDCCommunication" |
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41 System.setProperty("sun.security.krb5.debug", "true"); |
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42 |
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43 // Called before new ServerSocket on p1 and p2 to make sure |
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44 // customized nameservice is used |
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45 KDC k = new KDC(OneKDC.REALM, OneKDC.KDCHOST, 0, true); |
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46 int p3 = k.getPort(); |
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47 k.addPrincipal(OneKDC.USER, OneKDC.PASS); |
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48 k.addPrincipalRandKey("krbtgt/" + OneKDC.REALM); |
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49 |
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50 // Start two listener that does not communicate, simulate timeout |
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51 ServerSocket ss1 = null; |
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52 ServerSocket ss2 = null; |
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53 |
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54 try { |
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55 ss1 = new ServerSocket(0); |
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56 ss2 = new ServerSocket(0); |
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57 int p1 = ss1.getLocalPort(); |
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58 int p2 = ss2.getLocalPort(); |
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59 |
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60 FileWriter fw = new FileWriter("alternative-krb5.conf"); |
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61 |
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62 fw.write("[libdefaults]\n" + |
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63 "udp_preference_limit = 1\n" + |
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64 "max_retries = 2\n" + |
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65 "default_realm = " + OneKDC.REALM + "\n" + |
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66 "kdc_timeout = " + BadKdc.toReal(5000) + "\n"); |
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67 fw.write("[realms]\n" + OneKDC.REALM + " = {\n" + |
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68 "kdc = " + OneKDC.KDCHOST + ":" + p1 + "\n" + |
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69 "kdc = " + OneKDC.KDCHOST + ":" + p2 + "\n" + |
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70 "kdc = " + OneKDC.KDCHOST + ":" + p3 + "\n" + |
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71 "}\n"); |
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72 |
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73 fw.close(); |
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74 System.setProperty("java.security.krb5.conf", |
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75 "alternative-krb5.conf"); |
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76 Config.refresh(); |
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77 |
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78 System.out.println("Ports opened on " + p1 + ", " + p2 + ", " + p3); |
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79 |
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80 // The correct behavior should be: |
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81 // 5 sec on p1, 5 sec on p1, fail |
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82 // 5 sec on p2, 5 sec on p2, fail |
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83 // p3 ok, p3 ok again for preauth. |
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84 int count = 6; |
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85 |
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86 ByteArrayOutputStream bo = new ByteArrayOutputStream(); |
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87 PrintStream oldout = System.out; |
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88 System.setOut(new PrintStream(bo)); |
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89 Context c = Context.fromUserPass(OneKDC.USER, OneKDC.PASS, false); |
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90 System.setOut(oldout); |
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91 |
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92 String[] lines = new String(bo.toByteArray()).split("\n"); |
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93 for (String line: lines) { |
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94 if (line.startsWith(">>> KDCCommunication")) { |
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95 System.out.println(line); |
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96 count--; |
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97 } |
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98 } |
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99 if (count != 0) { |
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100 throw new Exception("Retry count is " + count + " less"); |
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101 } |
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102 } finally { |
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103 if (ss1 != null) ss1.close(); |
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104 if (ss2 != null) ss2.close(); |
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105 } |
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106 } |
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107 } |
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