| /** |
| * 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.hadoop.security; |
| |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.HashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hadoop.security.SecurityUtil.QualifiedHostResolver; |
| |
| /** |
| * provides a dummy dns search resolver with a configurable search path |
| * and host mapping |
| */ |
| public class NetUtilsTestResolver extends QualifiedHostResolver { |
| Map<String, InetAddress> resolvedHosts = new HashMap<String, InetAddress>(); |
| List<String> hostSearches = new LinkedList<String>(); |
| |
| public static NetUtilsTestResolver install() { |
| NetUtilsTestResolver resolver = new NetUtilsTestResolver(); |
| resolver.setSearchDomains("a.b", "b", "c"); |
| resolver.addResolvedHost("host.a.b.", "1.1.1.1"); |
| resolver.addResolvedHost("b-host.b.", "2.2.2.2"); |
| resolver.addResolvedHost("simple.", "3.3.3.3"); |
| SecurityUtil.hostResolver = resolver; |
| return resolver; |
| } |
| |
| public void addResolvedHost(String host, String ip) { |
| InetAddress addr; |
| try { |
| addr = InetAddress.getByName(ip); |
| addr = InetAddress.getByAddress(host, addr.getAddress()); |
| } catch (UnknownHostException e) { |
| throw new IllegalArgumentException("not an ip:"+ip); |
| } |
| resolvedHosts.put(host, addr); |
| } |
| |
| @Override |
| public InetAddress getInetAddressByName(String host) throws UnknownHostException { |
| hostSearches.add(host); |
| if (!resolvedHosts.containsKey(host)) { |
| throw new UnknownHostException(host); |
| } |
| return resolvedHosts.get(host); |
| } |
| |
| @Override |
| public InetAddress getByExactName(String host) { |
| return super.getByExactName(host); |
| } |
| |
| @Override |
| public InetAddress getByNameWithSearch(String host) { |
| return super.getByNameWithSearch(host); |
| } |
| |
| public String[] getHostSearches() { |
| return hostSearches.toArray(new String[0]); |
| } |
| |
| public void reset() { |
| hostSearches.clear(); |
| } |
| } |