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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.Socket;
15  import java.util.ArrayList;
16  
17  import javax.net.ssl.SSLSocket;
18  import javax.rmi.ssl.SslRMIClientSocketFactory;
19  
20  /**
21   * Avoid SSL V3.0 "Poodle" Vulnerability - CVE-2014-3566
22   */
23  @SuppressWarnings("serial")
24  public class SslRMIClientSocketFactorySecure extends SslRMIClientSocketFactory {
25    @Override
26    public Socket createSocket(String host, int port) throws IOException {
27      SSLSocket socket = (SSLSocket) super.createSocket(host, port);
28      ArrayList<String> secureProtocols = new ArrayList<String>();
29      for (String p : socket.getEnabledProtocols()) {
30        if (!p.contains("SSLv3")) {
31          secureProtocols.add(p);
32        }
33      }
34      socket.setEnabledProtocols(secureProtocols.toArray(
35              new String[secureProtocols.size()]));
36      return socket;
37    }
38  }