| /** |
| * 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.hdfs; |
| |
| import java.util.ArrayList; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.test.system.DaemonProtocol; |
| import org.apache.hadoop.hdfs.test.system.DNProtocol; |
| import org.apache.hadoop.hdfs.test.system.NNProtocol; |
| import org.apache.hadoop.security.authorize.Service; |
| import org.apache.hadoop.security.authorize.ServiceAuthorizationManager; |
| |
| /** |
| * This aspect adds two HDFS Herriot specific protocols tp the list of 'authorized' |
| * Herriot protocols. |
| * Protocol descriptors i.e. 'security.nn.protocol.acl' have to be added to |
| * <code>hadoop-policy.xml</code> if present |
| */ |
| public privileged aspect HDFSPolicyProviderAspect { |
| private static final Log LOG = LogFactory |
| .getLog(HDFSPolicyProviderAspect.class); |
| |
| ArrayList<Service> herriotHDFSServices = null; |
| |
| pointcut updateHDFSServices() : |
| execution (public Service[] HDFSPolicyProvider.getServices()); |
| |
| Service[] around() : updateHDFSServices () { |
| herriotHDFSServices = new ArrayList<Service>(); |
| for (Service s : HDFSPolicyProvider.hdfsServices) { |
| LOG.debug("Copying configured protocol to " |
| + s.getProtocol().getCanonicalName()); |
| herriotHDFSServices.add(s); |
| } |
| herriotHDFSServices.add(new Service("security.daemon.protocol.acl", |
| DaemonProtocol.class)); |
| herriotHDFSServices.add(new Service("security.nn.protocol.acl", |
| NNProtocol.class)); |
| herriotHDFSServices.add(new Service("security.dn.protocol.acl", |
| DNProtocol.class)); |
| final Service[] retArray = herriotHDFSServices |
| .toArray(new Service[herriotHDFSServices.size()]); |
| LOG.debug("Number of configured protocols to return: " + retArray.length); |
| return retArray; |
| } |
| } |