| /** |
| * 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.kerby.kerberos.kerb.admin.kadmin.remote; |
| |
| import org.apache.kerby.kerberos.kerb.KrbException; |
| import org.apache.kerby.kerberos.kerb.transport.TransportPair; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.util.Map; |
| |
| public final class AdminUtil { |
| private AdminUtil() { } |
| |
| private static final String KRB5_FILE_NAME = "krb5.conf"; |
| private static final String KRB5_ENV_NAME = "KRB5_CONFIG"; |
| |
| /** |
| * Load krb5.conf from specified conf dir. |
| * @param confDir The conf dir |
| * @return AdminConfig |
| * @throws KrbException e |
| */ |
| public static AdminConfig getConfig(File confDir) throws KrbException { |
| File confFile = new File(confDir, KRB5_FILE_NAME); |
| if (!confFile.exists()) { |
| throw new KrbException(KRB5_FILE_NAME + " not found"); |
| } |
| |
| if (confFile != null && confFile.exists()) { |
| AdminConfig adminConfig = new AdminConfig(); |
| try { |
| adminConfig.addKrb5Config(confFile); |
| return adminConfig; |
| } catch (IOException e) { |
| throw new KrbException("Failed to load krb config " |
| + confFile.getAbsolutePath()); |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Load default krb5.conf |
| * @return The AdminConfig |
| * @throws KrbException e |
| */ |
| public static AdminConfig getDefaultConfig() throws KrbException { |
| File confFile = null; |
| File confDir; |
| String tmpEnv; |
| |
| try { |
| Map<String, String> mapEnv = System.getenv(); |
| tmpEnv = mapEnv.get(KRB5_ENV_NAME); |
| } catch (SecurityException e) { |
| tmpEnv = null; |
| } |
| if (tmpEnv != null) { |
| confFile = new File(tmpEnv); |
| if (!confFile.exists()) { |
| throw new KrbException("krb5 conf not found. Invalid env " |
| + KRB5_ENV_NAME); |
| } |
| } else { |
| confDir = new File("/etc/"); // for Linux. TODO: fix for Win etc. |
| if (confDir.exists()) { |
| confFile = new File(confDir, "krb5.conf"); |
| } |
| } |
| |
| AdminConfig adminConfig = new AdminConfig(); |
| if (confFile != null && confFile.exists()) { |
| try { |
| adminConfig.addKrb5Config(confFile); |
| } catch (IOException e) { |
| throw new KrbException("Failed to load krb config " |
| + confFile.getAbsolutePath()); |
| } |
| } |
| |
| return adminConfig; |
| } |
| |
| /** |
| * Get KDC network transport addresses according to krb client setting. |
| * @param setting The krb setting |
| * @return UDP and TCP addresses pair |
| * @throws KrbException e |
| */ |
| public static TransportPair getTransportPair( |
| AdminSetting setting) throws KrbException { |
| TransportPair result = new TransportPair(); |
| |
| int tcpPort = setting.checkGetKdcTcpPort(); |
| if (tcpPort > 0) { |
| result.tcpAddress = new InetSocketAddress( |
| setting.getKdcHost(), tcpPort); |
| } |
| int udpPort = setting.checkGetKdcUdpPort(); |
| if (udpPort > 0) { |
| result.udpAddress = new InetSocketAddress( |
| setting.getKdcHost(), udpPort); |
| } |
| |
| return result; |
| } |
| } |