| /* |
| * Copyright (c) 2018, 2019, 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.BufferOverflowException; |
| import java.nio.BufferUnderflowException; |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| |
| /** |
| * A compact implementation of HandshakeContext for post-handshake messages |
| */ |
| final class PostHandshakeContext extends HandshakeContext { |
| PostHandshakeContext(TransportContext context) throws IOException { |
| super(context); |
| |
| if (!negotiatedProtocol.useTLS13PlusSpec()) { |
| throw conContext.fatal(Alert.UNEXPECTED_MESSAGE, |
| "Post-handshake not supported in " + negotiatedProtocol.name); |
| } |
| |
| this.localSupportedSignAlgs = new ArrayList<>( |
| context.conSession.getLocalSupportedSignatureSchemes()); |
| |
| // Add the potential post-handshake consumers. |
| if (context.sslConfig.isClientMode) { |
| handshakeConsumers.putIfAbsent( |
| SSLHandshake.KEY_UPDATE.id, |
| SSLHandshake.KEY_UPDATE); |
| handshakeConsumers.putIfAbsent( |
| SSLHandshake.NEW_SESSION_TICKET.id, |
| SSLHandshake.NEW_SESSION_TICKET); |
| } else { |
| handshakeConsumers.putIfAbsent( |
| SSLHandshake.KEY_UPDATE.id, |
| SSLHandshake.KEY_UPDATE); |
| } |
| |
| handshakeFinished = true; |
| } |
| |
| @Override |
| void kickstart() throws IOException { |
| SSLHandshake.kickstart(this); |
| } |
| |
| @Override |
| void dispatch(byte handshakeType, ByteBuffer fragment) throws IOException { |
| SSLConsumer consumer = handshakeConsumers.get(handshakeType); |
| if (consumer == null) { |
| throw conContext.fatal(Alert.UNEXPECTED_MESSAGE, |
| "Unexpected post-handshake message: " + |
| SSLHandshake.nameOf(handshakeType)); |
| } |
| |
| try { |
| consumer.consume(this, fragment); |
| } catch (UnsupportedOperationException unsoe) { |
| throw conContext.fatal(Alert.UNEXPECTED_MESSAGE, |
| "Unsupported post-handshake message: " + |
| SSLHandshake.nameOf(handshakeType), unsoe); |
| } catch (BufferUnderflowException | BufferOverflowException be) { |
| throw conContext.fatal(Alert.DECODE_ERROR, |
| "Illegal handshake message: " + |
| SSLHandshake.nameOf(handshakeType), be); |
| } |
| } |
| |
| static boolean isConsumable(TransportContext context, byte handshakeType) { |
| if (handshakeType == SSLHandshake.KEY_UPDATE.id) { |
| // The KeyUpdate handshake message does not apply to TLS 1.2 and |
| // previous protocols. |
| return context.protocolVersion.useTLS13PlusSpec(); |
| } |
| |
| if (handshakeType == SSLHandshake.NEW_SESSION_TICKET.id) { |
| // The new session ticket handshake message could be consumer in |
| // client side only. |
| return context.sslConfig.isClientMode; |
| } |
| |
| // No more post-handshake message supported currently. |
| return false; |
| } |
| } |