1 /* 2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.security.ssl; 27 28 import java.io.IOException; 29 import java.nio.ByteBuffer; 30 import sun.security.ssl.SSLHandshake.HandshakeMessage; 31 32 /** 33 * Pack of the ServerHelloDone handshake message. 34 */ 35 final class ServerHelloDone { 36 static final SSLConsumer handshakeConsumer = 37 new ServerHelloDoneConsumer(); 38 static final HandshakeProducer handshakeProducer = 39 new ServerHelloDoneProducer(); 40 41 /** 42 * The ServerHelloDone handshake message. 43 */ 44 static final class ServerHelloDoneMessage extends HandshakeMessage { 45 ServerHelloDoneMessage(HandshakeContext handshakeContext) { 46 super(handshakeContext); 47 } 48 49 ServerHelloDoneMessage(HandshakeContext handshakeContext, 50 ByteBuffer m) throws IOException { 51 super(handshakeContext); 52 if (m.hasRemaining()) { 53 handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER, 54 "Error parsing ServerHelloDone message: not empty"); 55 } 56 } 57 58 @Override 59 public SSLHandshake handshakeType() { 60 return SSLHandshake.SERVER_HELLO_DONE; 61 } 62 63 @Override 64 public int messageLength() { 65 return 0; 66 } 67 68 @Override 69 public void send(HandshakeOutStream s) throws IOException { 70 // empty, nothing to send 71 } 72 73 @Override 74 public String toString() { 75 return "<empty>"; 76 } 77 } 78 79 /** 80 * The "ServerHelloDone" handshake message producer. 81 */ 82 private static final 83 class ServerHelloDoneProducer implements HandshakeProducer { 84 // Prevent instantiation of this class. 85 private ServerHelloDoneProducer() { 86 // blank 87 } 88 89 @Override 90 public byte[] produce(ConnectionContext context, 91 HandshakeMessage message) throws IOException { 92 // The producing happens in server side only. 93 ServerHandshakeContext shc = (ServerHandshakeContext)context; 94 95 ServerHelloDoneMessage shdm = new ServerHelloDoneMessage(shc); 96 if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { 97 SSLLogger.fine( 98 "Produced ServerHelloDone handshake message", shdm); 99 } 100 101 // Output the handshake message. 102 shdm.write(shc.handshakeOutput); 103 shc.handshakeOutput.flush(); 104 105 // 106 // update 107 // 108 shc.handshakeConsumers.put(SSLHandshake.CLIENT_KEY_EXCHANGE.id, 109 SSLHandshake.CLIENT_KEY_EXCHANGE); 110 shc.conContext.consumers.put(ContentType.CHANGE_CIPHER_SPEC.id, 111 ChangeCipherSpec.t10Consumer); 112 shc.handshakeConsumers.put(SSLHandshake.FINISHED.id, 113 SSLHandshake.FINISHED); 114 115 // The handshake message has been delivered. 116 return null; 117 } 118 } 119 120 /** 121 * The "ServerHelloDone" handshake message consumer. 122 */ 123 private static final 124 class ServerHelloDoneConsumer implements SSLConsumer { 125 // Prevent instantiation of this class. 126 private ServerHelloDoneConsumer() { 127 // blank 128 } 129 130 @Override 131 public void consume(ConnectionContext context, 132 ByteBuffer message) throws IOException { 133 // The consuming happens in client side only. 134 ClientHandshakeContext chc = (ClientHandshakeContext)context; 135 136 // clean up this consumer 137 // chc.handshakeConsumers.remove(SSLHandshake.SERVER_HELLO_DONE.id); 138 chc.handshakeConsumers.clear(); 139 140 ServerHelloDoneMessage shdm = 141 new ServerHelloDoneMessage(chc, message); 142 if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { 143 SSLLogger.fine( 144 "Consuming ServerHelloDone handshake message", shdm); 145 } 146 147 // 148 // validate 149 // 150 // blank 151 152 // 153 // update 154 // 155 chc.handshakeProducers.put(SSLHandshake.CLIENT_KEY_EXCHANGE.id, 156 SSLHandshake.CLIENT_KEY_EXCHANGE); 157 chc.handshakeProducers.put(SSLHandshake.FINISHED.id, 158 SSLHandshake.FINISHED); 159 // 160 // produce 161 // 162 SSLHandshake[] probableHandshakeMessages = new SSLHandshake[] { 163 // full handshake messages 164 SSLHandshake.CERTIFICATE, 165 SSLHandshake.CLIENT_KEY_EXCHANGE, 166 SSLHandshake.CERTIFICATE_VERIFY, 167 SSLHandshake.FINISHED 168 }; 169 170 for (SSLHandshake hs : probableHandshakeMessages) { 171 HandshakeProducer handshakeProducer = 172 chc.handshakeProducers.remove(hs.id); 173 if (handshakeProducer != null) { 174 handshakeProducer.produce(context, null); 175 } 176 } 177 } 178 } 179 }