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// Transport Security Layer (TLS)
// Copyright (c) 2003-2004 Carlos Guzman Alvarez
//
// 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 System.Text;
using Mono.Security;
using Mono.Security.X509;
namespace Mono.Security.Protocol.Tls.Handshake.Server
{
internal class TlsServerCertificateRequest : HandshakeMessage
{
#region Constructors
public TlsServerCertificateRequest(Context context)
: base(context, HandshakeType.CertificateRequest)
{
}
#endregion
#region Protected Methods
protected override void ProcessAsSsl3()
{
this.ProcessAsTls1();
}
protected override void ProcessAsTls1()
{
ServerContext context = (ServerContext)this.Context;
int count = context.ServerSettings.CertificateTypes.Length;
this.WriteByte(Convert.ToByte(count));
// Write requested certificate types
for (int i = 0; i < count; i++)
{
this.WriteByte((byte)context.ServerSettings.CertificateTypes[i]);
}
/*
* Write requested certificate authorities (Distinguised Names)
*
* Name ::= SEQUENCE OF RelativeDistinguishedName
*
* RelativeDistinguishedName ::= SET OF AttributeValueAssertion
*
* AttributeValueAssertion ::= SEQUENCE {
* attributeType OBJECT IDENTIFIER
* attributeValue ANY }
*/
if (context.ServerSettings.DistinguisedNames.Length > 0)
{
TlsStream list = new TlsStream ();
// this is the worst formating ever :-|
foreach (string dn in context.ServerSettings.DistinguisedNames)
{
byte[] name = X501.FromString (dn).GetBytes ();
list.Write ((short)name.Length);
list.Write (name);
}
this.Write ((short)list.Length);
this.Write (list.ToArray ());
}
else
{
this.Write ((short)0);
}
}
#endregion
}
}
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