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.util.LinkedHashMap;

    31 import java.util.Map;

    32 

    33 /**

    34  * A compact implementation of HandshakeContext for post-handshake messages

    35  */

    36 final class PostHandshakeContext extends HandshakeContext {

    37     private final static Map<Byte, SSLConsumer> consumers = Map.of(

    38         SSLHandshake.KEY_UPDATE.id, SSLHandshake.KEY_UPDATE,

    39         SSLHandshake.NEW_SESSION_TICKET.id, SSLHandshake.NEW_SESSION_TICKET);

    40 

    41     PostHandshakeContext(TransportContext context) throws IOException {

    42         super(context);

    43 

    44         if (!negotiatedProtocol.useTLS13PlusSpec()) {

    45             conContext.fatal(Alert.UNEXPECTED_MESSAGE,

    46                 "Post-handshake not supported in " + negotiatedProtocol.name);

    47         }

    48 

    49         handshakeConsumers = new LinkedHashMap<>(consumers);

    50         handshakeFinished = true;

    51     }

    52 

    53     @Override

    54     void kickstart() throws IOException {

    55         SSLHandshake.kickstart(this);

    56     }

    57 

    58     @Override

    59     void dispatch(byte handshakeType, ByteBuffer fragment) throws IOException {

    60         SSLConsumer consumer = handshakeConsumers.get(handshakeType);

    61         if (consumer == null) {

    62             conContext.fatal(Alert.UNEXPECTED_MESSAGE,

    63                     "Unexpected post-handshake message: " +

    64                             SSLHandshake.nameOf(handshakeType));

    65             return;

    66         }

    67 

    68         try {

    69             consumer.consume(this, fragment);

    70         } catch (UnsupportedOperationException unsoe) {

    71             conContext.fatal(Alert.UNEXPECTED_MESSAGE,

    72                     "Unsupported post-handshake message: " +

    73                             SSLHandshake.nameOf(handshakeType), unsoe);

    74         }

    75     }

    76 }