| /* |
| * 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.calcite.avatica.server; |
| |
| import org.apache.calcite.avatica.remote.KerberosConnection; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import javax.security.auth.login.AppConfigurationEntry; |
| import javax.security.auth.login.Configuration; |
| |
| /** |
| * Javax Configuration class which always returns a configuration for our keytab-based |
| * login suitable for callers which are acting as a initiator or acceptor (e.g. a server). |
| */ |
| public class ServerKeytabJaasConf extends Configuration { |
| private static final Logger LOG = LoggerFactory.getLogger(ServerKeytabJaasConf.class); |
| private final String principal; |
| private final String keytab; |
| |
| public ServerKeytabJaasConf(String principal, String keytab) { |
| this.principal = principal; |
| this.keytab = keytab; |
| } |
| |
| @Override public AppConfigurationEntry[] getAppConfigurationEntry(String name) { |
| Map<String, String> options = new HashMap<String, String>(); |
| options.put("principal", principal); |
| options.put("refreshKrb5Config", "true"); |
| if (KerberosConnection.isIbmJava()) { |
| options.put("useKeytab", keytab); |
| options.put("credsType", "both"); |
| } else { |
| options.put("keyTab", keytab); |
| options.put("useKeyTab", "true"); |
| options.put("isInitiator", "false"); |
| options.put("doNotPrompt", "true"); |
| options.put("storeKey", "true"); |
| } |
| |
| LOG.debug("JAAS Configuration for server keytab-based Kerberos login: {}", options); |
| |
| return new AppConfigurationEntry[] {new AppConfigurationEntry( |
| KerberosConnection.getKrb5LoginModuleName(), |
| AppConfigurationEntry.LoginModuleControlFlag.REQUIRED, options)}; |
| } |
| } |
| |
| // End ServerKeytabJaasConf.java |