|
1 /* |
|
2 * Copyright (c) 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 java.text.MessageFormat; |
|
31 import java.util.Locale; |
|
32 import sun.security.ssl.SSLHandshake.HandshakeMessage; |
|
33 |
|
34 /** |
|
35 * Pack of the EncryptedExtensions handshake message. |
|
36 */ |
|
37 final class EncryptedExtensions { |
|
38 static final HandshakeProducer handshakeProducer = |
|
39 new EncryptedExtensionsProducer(); |
|
40 static final SSLConsumer handshakeConsumer = |
|
41 new EncryptedExtensionsConsumer(); |
|
42 |
|
43 /** |
|
44 * The EncryptedExtensions handshake message. |
|
45 */ |
|
46 static final class EncryptedExtensionsMessage extends HandshakeMessage { |
|
47 private final SSLExtensions extensions; |
|
48 |
|
49 EncryptedExtensionsMessage( |
|
50 HandshakeContext handshakeContext) throws IOException { |
|
51 super(handshakeContext); |
|
52 this.extensions = new SSLExtensions(this); |
|
53 } |
|
54 |
|
55 EncryptedExtensionsMessage(HandshakeContext handshakeContext, |
|
56 ByteBuffer m) throws IOException { |
|
57 super(handshakeContext); |
|
58 |
|
59 // struct { |
|
60 // Extension extensions<0..2^16-1>; |
|
61 // } EncryptedExtensions; |
|
62 if (m.remaining() < 2) { |
|
63 handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER, |
|
64 "Invalid EncryptedExtensions handshake message: " + |
|
65 "no sufficient data"); |
|
66 } |
|
67 |
|
68 SSLExtension[] encryptedExtensions = |
|
69 handshakeContext.sslConfig.getEnabledExtensions( |
|
70 SSLHandshake.ENCRYPTED_EXTENSIONS); |
|
71 this.extensions = new SSLExtensions(this, m, encryptedExtensions); |
|
72 } |
|
73 |
|
74 @Override |
|
75 SSLHandshake handshakeType() { |
|
76 return SSLHandshake.ENCRYPTED_EXTENSIONS; |
|
77 } |
|
78 |
|
79 @Override |
|
80 int messageLength() { |
|
81 int extLen = extensions.length(); |
|
82 if (extLen == 0) { |
|
83 extLen = 2; // empty extensions |
|
84 } |
|
85 return extLen; |
|
86 } |
|
87 |
|
88 @Override |
|
89 void send(HandshakeOutStream hos) throws IOException { |
|
90 // Is it an empty extensions? |
|
91 if (extensions.length() == 0) { |
|
92 hos.putInt16(0); |
|
93 } else { |
|
94 extensions.send(hos); |
|
95 } |
|
96 } |
|
97 |
|
98 @Override |
|
99 public String toString() { |
|
100 MessageFormat messageFormat = new MessageFormat( |
|
101 "\"EncryptedExtensions\": [\n" + |
|
102 "{0}\n" + |
|
103 "]", |
|
104 Locale.ENGLISH); |
|
105 Object[] messageFields = { |
|
106 Utilities.indent(extensions.toString()) |
|
107 }; |
|
108 |
|
109 return messageFormat.format(messageFields); |
|
110 } |
|
111 } |
|
112 |
|
113 /** |
|
114 * The EncryptedExtensions handshake message consumer. |
|
115 */ |
|
116 private static final class EncryptedExtensionsProducer |
|
117 implements HandshakeProducer { |
|
118 // Prevent instantiation of this class. |
|
119 private EncryptedExtensionsProducer() { |
|
120 // blank |
|
121 } |
|
122 |
|
123 @Override |
|
124 public byte[] produce(ConnectionContext context, |
|
125 HandshakeMessage message) throws IOException { |
|
126 // The producing happens in server side only. |
|
127 ServerHandshakeContext shc = (ServerHandshakeContext)context; |
|
128 |
|
129 // Change client/server handshake traffic secrets. |
|
130 // TODO |
|
131 |
|
132 EncryptedExtensionsMessage eem = |
|
133 new EncryptedExtensionsMessage(shc); |
|
134 SSLExtension[] extTypes = |
|
135 shc.sslConfig.getEnabledExtensions( |
|
136 SSLHandshake.ENCRYPTED_EXTENSIONS, |
|
137 shc.negotiatedProtocol); |
|
138 eem.extensions.produce(shc, extTypes); |
|
139 if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { |
|
140 SSLLogger.fine("Produced EncryptedExtensions message", eem); |
|
141 } |
|
142 |
|
143 // Output the handshake message. |
|
144 eem.write(shc.handshakeOutput); |
|
145 shc.handshakeOutput.flush(); |
|
146 |
|
147 // The handshake message has been delivered. |
|
148 return null; |
|
149 } |
|
150 } |
|
151 |
|
152 /** |
|
153 * The EncryptedExtensions handshake message consumer. |
|
154 */ |
|
155 private static final class EncryptedExtensionsConsumer |
|
156 implements SSLConsumer { |
|
157 // Prevent instantiation of this class. |
|
158 private EncryptedExtensionsConsumer() { |
|
159 // blank |
|
160 } |
|
161 |
|
162 @Override |
|
163 public void consume(ConnectionContext context, |
|
164 ByteBuffer message) throws IOException { |
|
165 // The consuming happens in client side only. |
|
166 ClientHandshakeContext chc = (ClientHandshakeContext)context; |
|
167 |
|
168 // clean up this consumer |
|
169 chc.handshakeConsumers.remove(SSLHandshake.ENCRYPTED_EXTENSIONS.id); |
|
170 |
|
171 EncryptedExtensionsMessage eem = |
|
172 new EncryptedExtensionsMessage(chc, message); |
|
173 if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { |
|
174 SSLLogger.fine( |
|
175 "Consuming EncryptedExtensions handshake message", eem); |
|
176 } |
|
177 |
|
178 // |
|
179 // validate |
|
180 // |
|
181 SSLExtension[] extTypes = chc.sslConfig.getEnabledExtensions( |
|
182 SSLHandshake.ENCRYPTED_EXTENSIONS); |
|
183 eem.extensions.consumeOnLoad(chc, extTypes); |
|
184 |
|
185 // |
|
186 // update |
|
187 // |
|
188 // TODO: all extensions should be considered. |
|
189 eem.extensions.consumeOnTrade(chc, extTypes); |
|
190 |
|
191 // |
|
192 // produce |
|
193 // |
|
194 // Need no new handshake message producers here. |
|
195 } |
|
196 } |
|
197 } |