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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
3    * agreements. See the NOTICE file distributed with this work for additional information regarding
4    * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the
5    * "License"); you may not use this file except in compliance with the License. You may obtain a
6    * copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable
7    * law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
8    * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
9    * for the specific language governing permissions and limitations under the License.
10   */
11  package org.apache.hadoop.hbase;
12  
13  import java.io.IOException;
14  import java.net.ServerSocket;
15  import java.net.Socket;
16  import java.util.ArrayList;
17  
18  import javax.net.ssl.SSLSocket;
19  import javax.net.ssl.SSLSocketFactory;
20  import javax.rmi.ssl.SslRMIServerSocketFactory;
21  
22  /**
23   * Avoid SSL V3.0 "Poodle" Vulnerability - CVE-2014-3566
24   */
25  public class SslRMIServerSocketFactorySecure extends SslRMIServerSocketFactory {
26    // If you add more constructors, you may have to change the rest of this implementation,
27    // which assumes an empty constructor, i.e. there are no specially enabled protocols or
28    // cipher suites on this RMI factory nor a provided SSLContext
29    public SslRMIServerSocketFactorySecure() {
30      super();
31    }
32  
33    @Override
34    public ServerSocket createServerSocket(int port) throws IOException {
35      return new ServerSocket(port) {
36        public Socket accept() throws IOException {
37          Socket socket = super.accept();
38          SSLSocketFactory sslSocketFactory = (SSLSocketFactory) SSLSocketFactory.getDefault();
39          SSLSocket sslSocket =
40              (SSLSocket) sslSocketFactory.createSocket(socket,
41                socket.getInetAddress().getHostName(), socket.getPort(), true);
42          sslSocket.setUseClientMode(false);
43          sslSocket.setNeedClientAuth(false);
44  
45          ArrayList<String> secureProtocols = new ArrayList<String>();
46          for (String p : sslSocket.getEnabledProtocols()) {
47            if (!p.contains("SSLv3")) {
48              secureProtocols.add(p);
49            }
50          }
51          sslSocket.setEnabledProtocols(secureProtocols.toArray(new String[secureProtocols.size()]));
52  
53          return sslSocket;
54        }
55      };
56    }
57  }