001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
003 * agreements. See the NOTICE file distributed with this work for additional information regarding
004 * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the
005 * "License"); you may not use this file except in compliance with the License. You may obtain a
006 * copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable
007 * law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
008 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
009 * for the specific language governing permissions and limitations under the License.
010 */
011package org.apache.hadoop.hbase;
012
013import java.io.IOException;
014import java.net.ServerSocket;
015import java.net.Socket;
016import java.util.ArrayList;
017import javax.net.ssl.SSLSocket;
018import javax.net.ssl.SSLSocketFactory;
019import javax.rmi.ssl.SslRMIServerSocketFactory;
020import org.apache.yetus.audience.InterfaceAudience;
021
022/**
023 * Avoid SSL V3.0 "Poodle" Vulnerability - CVE-2014-3566
024 */
025@InterfaceAudience.Private
026public class SslRMIServerSocketFactorySecure extends SslRMIServerSocketFactory {
027  // If you add more constructors, you may have to change the rest of this implementation,
028  // which assumes an empty constructor, i.e. there are no specially enabled protocols or
029  // cipher suites on this RMI factory nor a provided SSLContext
030  public SslRMIServerSocketFactorySecure() {
031    super();
032  }
033
034  @Override
035  public ServerSocket createServerSocket(int port) throws IOException {
036    return new ServerSocket(port) {
037      @Override
038      public Socket accept() throws IOException {
039        Socket socket = super.accept();
040        SSLSocketFactory sslSocketFactory = (SSLSocketFactory) SSLSocketFactory.getDefault();
041        SSLSocket sslSocket =
042            (SSLSocket) sslSocketFactory.createSocket(socket,
043              socket.getInetAddress().getHostName(), socket.getPort(), true);
044        sslSocket.setUseClientMode(false);
045        sslSocket.setNeedClientAuth(false);
046
047        ArrayList<String> secureProtocols = new ArrayList<>();
048        for (String p : sslSocket.getEnabledProtocols()) {
049          if (!p.contains("SSLv3")) {
050            secureProtocols.add(p);
051          }
052        }
053        sslSocket.setEnabledProtocols(secureProtocols.toArray(new String[secureProtocols.size()]));
054
055        return sslSocket;
056      }
057    };
058  }
059}