Rename boost_asio files

modules/beast_asio/protocol/HandshakeDetectLogicSSL2.h

@@ -0,0 +1,108 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of Beast: https://github.com/vinniefalco/Beast
+    Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#ifndef BEAST_ASIO_HANDSHAKE_HANDSHAKEDETECTLOGICSSL2_H_INCLUDED
+#define BEAST_ASIO_HANDSHAKE_HANDSHAKEDETECTLOGICSSL2_H_INCLUDED
+
+// Handshake for SSL 2
+//
+// http://tools.ietf.org/html/rfc5246#appendix-E.2
+//
+// uint8 V2CipherSpec[3];
+// struct {
+//    uint16 msg_length;   
+//    uint8 msg_type;
+//    Version version;              Should be 'ProtocolVersion'?
+//    uint16 cipher_spec_length;
+//    uint16 session_id_length;
+//    uint16 challenge_length;
+//    ...
+//
+class HandshakeDetectLogicSSL2 : public HandshakeDetectLogic
+{
+public:
+    typedef int arg_type;
+
+    explicit HandshakeDetectLogicSSL2 (arg_type const&)
+    {
+    }
+
+    enum
+    {
+        bytesNeeded = 3
+    };
+
+    std::size_t max_needed ()
+    {
+        return bytesNeeded;
+    }
+
+    std::size_t bytes_consumed ()
+    {
+        return 0;
+    }
+
+    template <typename ConstBufferSequence>
+    void analyze (ConstBufferSequence const& buffer)
+    {
+        FixedInputBufferSize <bytesNeeded> in (buffer);
+
+        {
+            uint8 byte;
+            if (! in.peek (&byte))
+                return;
+
+            // First byte must have the high bit set
+            //
+            if((byte & 0x80) != 0x80)
+            return fail ();
+        }
+
+        // The remaining bits contain the
+        // length of the following data in bytes.
+        //
+        uint16 msg_length;
+        if (! in.readNetworkInteger(&msg_length))
+            return;
+
+        // sizeof (msg_type +
+        //         Version (ProtcolVersion?) +
+        //         cipher_spec_length +
+        //         session_id_length +
+        //         challenge_length)
+        //
+        // Should be 9 or greater.
+        //
+        if (msg_length < 9)
+            return fail ();
+
+        uint8 msg_type;
+        if (! in.read (&msg_type))
+            return;
+
+        // The msg_type must be 0x01 for a version 2 ClientHello
+        //
+        if (msg_type != 0x01)
+            return fail ();
+
+        conclude ();
+    }
+};
+
+#endif