src/java.base/share/classes/sun/security/ssl/ServerHelloDone.java
changeset 50768 68fa3d4026ea
child 53064 103ed9569fc8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/classes/sun/security/ssl/ServerHelloDone.java	Mon Jun 25 13:41:39 2018 -0700
@@ -0,0 +1,178 @@
+/*
+ * Copyright (c) 2015, 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 sun.security.ssl.SSLHandshake.HandshakeMessage;
+
+/**
+ * Pack of the ServerHelloDone handshake message.
+ */
+final class ServerHelloDone {
+    static final SSLConsumer handshakeConsumer =
+        new ServerHelloDoneConsumer();
+    static final HandshakeProducer handshakeProducer =
+        new ServerHelloDoneProducer();
+
+    /**
+     * The ServerHelloDone handshake message.
+     */
+    static final class ServerHelloDoneMessage extends HandshakeMessage {
+        ServerHelloDoneMessage(HandshakeContext handshakeContext) {
+            super(handshakeContext);
+        }
+
+        ServerHelloDoneMessage(HandshakeContext handshakeContext,
+                ByteBuffer m) throws IOException {
+            super(handshakeContext);
+            if (m.hasRemaining()) {
+                handshakeContext.conContext.fatal(Alert.ILLEGAL_PARAMETER,
+                    "Error parsing ServerHelloDone message: not empty");
+            }
+        }
+
+        @Override
+        public SSLHandshake handshakeType() {
+            return SSLHandshake.SERVER_HELLO_DONE;
+        }
+
+        @Override
+        public int messageLength() {
+            return 0;
+        }
+
+        @Override
+        public void send(HandshakeOutStream s) throws IOException {
+            // empty, nothing to send
+        }
+
+        @Override
+        public String toString() {
+            return "<empty>";
+        }
+    }
+
+    /**
+     * The "ServerHelloDone" handshake message producer.
+     */
+    private static final
+            class ServerHelloDoneProducer implements HandshakeProducer {
+        // Prevent instantiation of this class.
+        private ServerHelloDoneProducer() {
+            // blank
+        }
+
+        @Override
+        public byte[] produce(ConnectionContext context,
+                HandshakeMessage message) throws IOException {
+            // The producing happens in server side only.
+            ServerHandshakeContext shc = (ServerHandshakeContext)context;
+
+            ServerHelloDoneMessage shdm = new ServerHelloDoneMessage(shc);
+            if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+                SSLLogger.fine(
+                        "Produced ServerHelloDone handshake message", shdm);
+            }
+
+            // Output the handshake message.
+            shdm.write(shc.handshakeOutput);
+            shc.handshakeOutput.flush();
+
+            //
+            // update
+            //
+            shc.handshakeConsumers.put(SSLHandshake.CLIENT_KEY_EXCHANGE.id,
+                    SSLHandshake.CLIENT_KEY_EXCHANGE);
+            shc.conContext.consumers.put(ContentType.CHANGE_CIPHER_SPEC.id,
+                    ChangeCipherSpec.t10Consumer);
+            shc.handshakeConsumers.put(SSLHandshake.FINISHED.id,
+                    SSLHandshake.FINISHED);
+
+            // The handshake message has been delivered.
+            return null;
+        }
+    }
+
+    /**
+     * The "ServerHelloDone" handshake message consumer.
+     */
+    private static final
+            class ServerHelloDoneConsumer implements SSLConsumer {
+        // Prevent instantiation of this class.
+        private ServerHelloDoneConsumer() {
+            // blank
+        }
+
+        @Override
+        public void consume(ConnectionContext context,
+                ByteBuffer message) throws IOException {
+            // The consuming happens in client side only.
+            ClientHandshakeContext chc = (ClientHandshakeContext)context;
+
+            // clean up this consumer
+            chc.handshakeConsumers.clear();
+
+            ServerHelloDoneMessage shdm =
+                    new ServerHelloDoneMessage(chc, message);
+            if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+                SSLLogger.fine(
+                        "Consuming ServerHelloDone handshake message", shdm);
+            }
+
+            //
+            // validate
+            //
+            // blank
+
+            //
+            // update
+            //
+            chc.handshakeProducers.put(SSLHandshake.CLIENT_KEY_EXCHANGE.id,
+                    SSLHandshake.CLIENT_KEY_EXCHANGE);
+            chc.handshakeProducers.put(SSLHandshake.FINISHED.id,
+                    SSLHandshake.FINISHED);
+            //
+            // produce
+            //
+            SSLHandshake[] probableHandshakeMessages = new SSLHandshake[] {
+                // full handshake messages
+                SSLHandshake.CERTIFICATE,
+                SSLHandshake.CLIENT_KEY_EXCHANGE,
+                SSLHandshake.CERTIFICATE_VERIFY,
+                SSLHandshake.FINISHED
+            };
+
+            for (SSLHandshake hs : probableHandshakeMessages) {
+                HandshakeProducer handshakeProducer =
+                        chc.handshakeProducers.remove(hs.id);
+                if (handshakeProducer != null) {
+                    handshakeProducer.produce(context, null);
+                }
+            }
+        }
+    }
+}