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/* Transport Security Layer (TLS)
* Copyright (c) 2003 Carlos Guzmán Álvarez
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
using System;
// using Mono.Security.Protocol.Tls;
namespace Mono.Security.Protocol.Tls.Handshake
{
internal abstract class TlsHandshakeMessage : TlsStream
{
#region FIELDS
private TlsSession session;
private TlsHandshakeType handshakeType;
private TlsContentType contentType;
#endregion
#region PROPERTIES
public TlsSession Session
{
get { return session; }
}
public TlsHandshakeType HandshakeType
{
get { return handshakeType; }
}
public TlsContentType ContentType
{
get { return contentType; }
}
#endregion
#region CONSTRUCTORS
public TlsHandshakeMessage(TlsSession session,
TlsHandshakeType handshakeType,
TlsContentType contentType) : base()
{
this.session = session;
this.handshakeType = handshakeType;
this.contentType = contentType;
// Process message
this.process();
}
public TlsHandshakeMessage(TlsSession session,
TlsHandshakeType handshakeType, byte[] data) : base(data)
{
this.session = session;
this.handshakeType = handshakeType;
// Process message
this.process();
}
#endregion
#region ABSTRACT_METHODS
protected abstract void ProcessAsTls1();
protected abstract void ProcessAsSsl3();
#endregion
#region METHODS
private void process()
{
switch (this.session.Context.Protocol)
{
case TlsProtocol.Tls1:
this.ProcessAsTls1();
break;
case TlsProtocol.Ssl3:
this.ProcessAsSsl3();
break;
}
}
public virtual void UpdateSession()
{
if (CanWrite)
{
this.session.Context.HandshakeMessages.Write(this.EncodeMessage());
this.Reset();
}
}
public virtual byte[] EncodeMessage()
{
byte[] result = null;
if (CanWrite)
{
TlsStream c = new TlsStream();
c.Write((byte)HandshakeType);
c.WriteInt24((int)this.Length);
c.Write(this.ToArray());
result = c.ToArray();
}
return result;
}
#endregion
}
}
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