1 /**
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements.  See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership.  The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the
7  * "License"); you may not use this file except in compliance
8  * with the License.  You may obtain a copy of the License at
9  *
10  *     http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 package org.apache.hadoop.hdfs;
19 
20 import org.apache.hadoop.hdfs.protocol.ClientDatanodeProtocol;
21 import org.apache.hadoop.hdfs.protocol.ClientProtocol;
22 import org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol;
23 import org.apache.hadoop.hdfs.server.protocol.InterDatanodeProtocol;
24 import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol;
25 import org.apache.hadoop.security.RefreshUserMappingsProtocol;
26 import org.apache.hadoop.security.authorize.PolicyProvider;
27 import org.apache.hadoop.security.authorize.RefreshAuthorizationPolicyProtocol;
28 import org.apache.hadoop.security.authorize.Service;
29 
30 /**
31  * {@link PolicyProvider} for HDFS protocols.
32  */
33 public class HDFSPolicyProvider extends PolicyProvider {
34   private static final Service[] hdfsServices =
35     new Service[] {
36     new Service("security.client.protocol.acl", ClientProtocol.class),
37     new Service("security.client.datanode.protocol.acl",
38                 ClientDatanodeProtocol.class),
39     new Service("security.datanode.protocol.acl", DatanodeProtocol.class),
40     new Service("security.inter.datanode.protocol.acl",
41                 InterDatanodeProtocol.class),
42     new Service("security.namenode.protocol.acl", NamenodeProtocol.class),
43     new Service("security.refresh.policy.protocol.acl",
44                 RefreshAuthorizationPolicyProtocol.class),
45     new Service("security.refresh.usertogroups.mappings.protocol.acl",
46                 RefreshUserMappingsProtocol.class),
47   };
48 
49   @Override
getServices()50   public Service[] getServices() {
51     return hdfsServices;
52   }
53 }
54