114 lines
4.2 KiB
Java
114 lines
4.2 KiB
Java
/*
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* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.io.*;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import sun.security.krb5.Config;
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public class BadKdc {
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// Matches the krb5 debug output:
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// >>> KDCCommunication: kdc=kdc.rabbit.hole UDP:14319, timeout=2000,...
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// ^ kdc# ^ timeout
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static final Pattern re = Pattern.compile(
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">>> KDCCommunication: kdc=kdc.rabbit.hole UDP:(\\d)...., " +
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"timeout=(\\d)000,");
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public static void go(int[]... expected)
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throws Exception {
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System.setProperty("sun.security.krb5.debug", "true");
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// Make sure KDCs' ports starts with 1 and 2 and 3,
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// useful for checking debug output.
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int p1 = 10000 + new java.util.Random().nextInt(10000);
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int p2 = 20000 + new java.util.Random().nextInt(10000);
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int p3 = 30000 + new java.util.Random().nextInt(10000);
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FileWriter fw = new FileWriter("alternative-krb5.conf");
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fw.write("[libdefaults]\n" +
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"default_realm = " + OneKDC.REALM + "\n" +
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"kdc_timeout = 2000\n");
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fw.write("[realms]\n" + OneKDC.REALM + " = {\n" +
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"kdc = " + OneKDC.KDCHOST + ":" + p1 + "\n" +
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"kdc = " + OneKDC.KDCHOST + ":" + p2 + "\n" +
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"kdc = " + OneKDC.KDCHOST + ":" + p3 + "\n" +
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"}\n");
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fw.close();
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System.setProperty("java.security.krb5.conf", "alternative-krb5.conf");
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Config.refresh();
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// Turn on k3 only
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KDC k3 = on(p3);
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test(expected[0]);
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test(expected[1]);
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Config.refresh();
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test(expected[2]);
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k3.terminate(); // shutdown k3
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on(p2); // k2 is on
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test(expected[3]);
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on(p1); // k1 and k2 is on
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test(expected[4]);
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}
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private static KDC on(int p) throws Exception {
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KDC k = new KDC(OneKDC.REALM, OneKDC.KDCHOST, p, true);
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k.addPrincipal(OneKDC.USER, OneKDC.PASS);
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k.addPrincipalRandKey("krbtgt/" + OneKDC.REALM);
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return k;
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}
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/**
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* One round of test for max_retries and timeout.
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* @param timeout the expected timeout
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* @param expected the expected kdc# timeout kdc# timeout...
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*/
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private static void test(int... expected) throws Exception {
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ByteArrayOutputStream bo = new ByteArrayOutputStream();
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PrintStream oldout = System.out;
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System.setOut(new PrintStream(bo));
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Context c = Context.fromUserPass(OneKDC.USER, OneKDC.PASS, false);
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System.setOut(oldout);
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String[] lines = new String(bo.toByteArray()).split("\n");
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System.out.println("----------------- TEST -----------------");
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int count = 0;
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for (String line: lines) {
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Matcher m = re.matcher(line);
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if (m.find()) {
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System.out.println(line);
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if (Integer.parseInt(m.group(1)) != expected[count++] ||
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Integer.parseInt(m.group(2)) != expected[count++]) {
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throw new Exception("Fail here");
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}
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}
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}
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if (count != expected.length) {
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throw new Exception("Less rounds");
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}
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}
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}
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