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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.zookeeper.server.quorum.auth;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import javax.security.auth.login.AppConfigurationEntry;
import javax.security.auth.login.Configuration;
import org.apache.zookeeper.util.SecurityUtils;
public class KerberosTestUtils {
private static final boolean IBM_JAVA = System.getProperty("java.vendor").contains("IBM");
private static String keytabFile = new File(System.getProperty("build.test.dir", "build"), UUID.randomUUID().toString()).getAbsolutePath();
public static String getRealm() {
return "EXAMPLE.COM";
}
public static String getLearnerPrincipal() {
return "learner@EXAMPLE.COM";
}
public static String getServerPrincipal() {
return "zkquorum/localhost@EXAMPLE.COM";
}
public static String getClientPrincipal() {
return getClientUsername() + "/localhost@EXAMPLE.COM";
}
public static String getClientUsername() {
return "zkclient";
}
public static String getHostLearnerPrincipal() {
return "learner/_HOST@EXAMPLE.COM";
}
public static String getHostServerPrincipal() {
return "zkquorum/_HOST@EXAMPLE.COM";
}
public static String getHostNamedLearnerPrincipal(String myHostname) {
return "learner/" + myHostname + "@EXAMPLE.COM";
}
public static String getKeytabFile() {
return keytabFile;
}
public static String replaceHostPattern(String principal) {
String[] components = principal.split("[/@]");
if (components == null
|| components.length < 2
|| !components[1].equals(SecurityUtils.QUORUM_HOSTNAME_PATTERN)) {
return principal;
} else {
return replacePattern(components, "localhost");
}
}
public static String replacePattern(String[] components, String hostname) {
if (components.length == 3) {
return components[0] + "/" + hostname.toLowerCase() + "@" + components[2];
} else {
return components[0] + "/" + hostname.toLowerCase();
}
}
public static class KerberosConfiguration extends Configuration {
private String principal;
private String keytab;
private boolean isInitiator;
private KerberosConfiguration(String principal, File keytab, boolean client) {
this.principal = principal;
this.keytab = keytab.getAbsolutePath();
this.isInitiator = client;
}
public static Configuration createClientConfig(String principal, File keytab) {
return new KerberosConfiguration(principal, keytab, true);
}
public static Configuration createServerConfig(String principal, File keytab) {
return new KerberosConfiguration(principal, keytab, false);
}
private static String getKrb5LoginModuleName() {
return System.getProperty("java.vendor").contains("IBM")
? "com.ibm.security.auth.module.Krb5LoginModule"
: "com.sun.security.auth.module.Krb5LoginModule";
}
@Override
public AppConfigurationEntry[] getAppConfigurationEntry(String name) {
Map<String, String> options = new HashMap<String, String>();
options.put("principal", principal);
options.put("refreshKrb5Config", "true");
if (IBM_JAVA) {
options.put("useKeytab", keytab);
options.put("credsType", "both");
} else {
options.put("keyTab", keytab);
options.put("useKeyTab", "true");
options.put("storeKey", "true");
options.put("doNotPrompt", "true");
options.put("useTicketCache", "true");
options.put("renewTGT", "true");
options.put("isInitiator", Boolean.toString(isInitiator));
}
String ticketCache = System.getenv("KRB5CCNAME");
if (ticketCache != null) {
options.put("ticketCache", ticketCache);
}
options.put("debug", "true");
return new AppConfigurationEntry[]{new AppConfigurationEntry(getKrb5LoginModuleName(), AppConfigurationEntry.LoginModuleControlFlag.REQUIRED, options)};
}
}
}
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