121 lines
4.5 KiB
Java
121 lines
4.5 KiB
Java
/*
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* Copyright (c) 2015, 2021, 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.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.HashMap;
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import java.util.Map;
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import javax.security.auth.callback.CallbackHandler;
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import javax.security.auth.login.LoginContext;
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import javax.security.auth.login.LoginException;
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/*
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* @test
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* @bug 4515853 8075297 8194486
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* @summary Checks that Kerberos client tries replica KDC
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* if primary KDC is not responding
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* @library /test/lib
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* @run main jdk.test.lib.FileInstaller TestHosts TestHosts
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* @run main/othervm -Djdk.net.hosts.file=TestHosts BogusKDC
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*/
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public class BogusKDC {
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static final String TEST_SRC = System.getProperty("test.src", ".");
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static final String HOST = "localhost";
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static final String NOT_EXISTING_HOST = "not.existing.host";
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static final String REALM = "TEST.REALM";
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static final String USER = "USER";
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static final String USER_PRINCIPAL = USER + "@" + REALM;
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static final String USER_PASSWORD = "password";
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static final String KRBTGT_PRINCIPAL = "krbtgt/" + REALM;
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static final String KRB5_CONF = "krb5.conf";
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static final int WRONG_KDC_PORT = 21;
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static final String KRB5_CONF_TEMPLATE = ""
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+ "[libdefaults]\n"
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+ "default_realm = TEST.REALM\n"
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+ "max_retries = 1\n"
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+ "\n"
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+ "[realms]\n"
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+ "TEST.REALM = {\n"
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+ " kdc = %s\n"
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+ " kdc = localhost:%d\n"
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+ "}";
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public static void main(String[] args) throws LoginException, IOException {
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Map<String, String> principals = new HashMap<>();
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principals.put(USER_PRINCIPAL, USER_PASSWORD);
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principals.put(KRBTGT_PRINCIPAL, null);
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System.setProperty("java.security.krb5.conf", KRB5_CONF);
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// start a local KDC
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KDC kdc = KDC.startKDC(HOST, KRB5_CONF, REALM, principals, null, null);
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System.setProperty("java.security.auth.login.config",
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TEST_SRC + File.separator + "refreshKrb5Config.jaas");
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CallbackHandler handler = new Helper.UserPasswordHandler(
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USER, USER_PASSWORD);
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// create a krb5 config with non-existing host for primary KDC,
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// and wrong port for replica KDC
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try (PrintWriter w = new PrintWriter(new FileWriter(KRB5_CONF))) {
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w.write(String.format(KRB5_CONF_TEMPLATE,
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KDC.NOT_EXISTING_HOST, WRONG_KDC_PORT));
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w.flush();
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}
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// login with not-refreshable config
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try {
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new LoginContext("NotRefreshable", handler).login();
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throw new RuntimeException("Expected exception not thrown");
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} catch (LoginException le) {
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System.out.println("Expected login failure: " + le);
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}
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// create a krb5 config with non-existing host for primary KDC,
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// but correct port for replica KDC
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try (PrintWriter w = new PrintWriter(new FileWriter(KRB5_CONF))) {
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w.write(String.format(KRB5_CONF_TEMPLATE,
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KDC.NOT_EXISTING_HOST, kdc.getPort()));
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w.flush();
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}
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// login with not-refreshable config
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try {
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new LoginContext("NotRefreshable", handler).login();
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throw new RuntimeException("Expected exception not thrown");
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} catch (LoginException le) {
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System.out.println("Expected login failure: " + le);
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}
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// login with refreshable config
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new LoginContext("Refreshable", handler).login();
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System.out.println("Test passed");
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}
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}
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