| /* |
| * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.security.ssl; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Map; |
| import sun.security.ssl.SSLHandshake.HandshakeMessage; |
| |
| /** |
| * Pack of the "ClientKeyExchange" handshake message. |
| */ |
| final class ClientKeyExchange { |
| static final SSLConsumer handshakeConsumer = |
| new ClientKeyExchangeConsumer(); |
| static final HandshakeProducer handshakeProducer = |
| new ClientKeyExchangeProducer(); |
| |
| |
| /** |
| * The "ClientKeyExchange" handshake message producer. |
| */ |
| private static final |
| class ClientKeyExchangeProducer implements HandshakeProducer { |
| // Prevent instantiation of this class. |
| private ClientKeyExchangeProducer() { |
| // blank |
| } |
| |
| @Override |
| public byte[] produce(ConnectionContext context, |
| HandshakeMessage message) throws IOException { |
| // The producing happens in client side only. |
| ClientHandshakeContext chc = (ClientHandshakeContext)context; |
| SSLKeyExchange ke = SSLKeyExchange.valueOf( |
| chc.negotiatedCipherSuite.keyExchange, |
| chc.negotiatedProtocol); |
| if (ke != null) { |
| for (Map.Entry<Byte, HandshakeProducer> hp : |
| ke.getHandshakeProducers(chc)) { |
| if (hp.getKey() == SSLHandshake.CLIENT_KEY_EXCHANGE.id) { |
| return hp.getValue().produce(context, message); |
| } |
| } |
| } |
| |
| // not consumer defined. |
| throw chc.conContext.fatal(Alert.UNEXPECTED_MESSAGE, |
| "Unexpected ClientKeyExchange handshake message."); |
| } |
| } |
| |
| /** |
| * The "ClientKeyExchange" handshake message consumer. |
| */ |
| private static final |
| class ClientKeyExchangeConsumer implements SSLConsumer { |
| // Prevent instantiation of this class. |
| private ClientKeyExchangeConsumer() { |
| // blank |
| } |
| |
| @Override |
| public void consume(ConnectionContext context, |
| ByteBuffer message) throws IOException { |
| // The consuming happens in server side only. |
| ServerHandshakeContext shc = (ServerHandshakeContext)context; |
| // clean up this consumer |
| shc.handshakeConsumers.remove(SSLHandshake.CLIENT_KEY_EXCHANGE.id); |
| |
| // Check for an unprocessed client Certificate message. If that |
| // handshake consumer is still present then that expected message |
| // was not sent. |
| if (shc.handshakeConsumers.containsKey( |
| SSLHandshake.CERTIFICATE.id)) { |
| throw shc.conContext.fatal(Alert.UNEXPECTED_MESSAGE, |
| "Unexpected ClientKeyExchange handshake message."); |
| } |
| |
| SSLKeyExchange ke = SSLKeyExchange.valueOf( |
| shc.negotiatedCipherSuite.keyExchange, |
| shc.negotiatedProtocol); |
| if (ke != null) { |
| for (Map.Entry<Byte, SSLConsumer> hc : |
| ke.getHandshakeConsumers(shc)) { |
| if (hc.getKey() == SSLHandshake.CLIENT_KEY_EXCHANGE.id) { |
| hc.getValue().consume(context, message); |
| return; |
| } |
| } |
| } |
| |
| // not consumer defined. |
| throw shc.conContext.fatal(Alert.UNEXPECTED_MESSAGE, |
| "Unexpected ClientKeyExchange handshake message."); |
| } |
| } |
| } |
| |