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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;
namespace Mono.Security.Protocol.Tls.Handshake.Client
{
internal class TlsServerCertificateRequest : HandshakeMessage
{
#region Fields
private ClientCertificateType[] certificateTypes;
private string[] distinguisedNames;
#endregion
#region Constructors
public TlsServerCertificateRequest(Context context, byte[] buffer)
: base(context, HandshakeType.CertificateRequest, buffer)
{
}
#endregion
#region Methods
public override void Update()
{
base.Update();
this.Context.ServerSettings.CertificateTypes = this.certificateTypes;
this.Context.ServerSettings.DistinguisedNames = this.distinguisedNames;
this.Context.ServerSettings.CertificateRequest = true;
}
#endregion
#region Protected Methods
protected override void ProcessAsSsl3()
{
this.ProcessAsTls1();
}
protected override void ProcessAsTls1()
{
// Read requested certificate types
int typesCount = this.ReadByte();
this.certificateTypes = new ClientCertificateType[typesCount];
for (int i = 0; i < typesCount; i++)
{
this.certificateTypes[i] = (ClientCertificateType)this.ReadByte();
}
/*
* Read requested certificate authorities (Distinguised Names)
*
* Name ::= SEQUENCE OF RelativeDistinguishedName
*
* RelativeDistinguishedName ::= SET OF AttributeValueAssertion
*
* AttributeValueAssertion ::= SEQUENCE {
* attributeType OBJECT IDENTIFIER
* attributeValue ANY }
*/
if (this.ReadInt16() != 0)
{
ASN1 rdn = new ASN1(this.ReadBytes(this.ReadInt16()));
distinguisedNames = new string[rdn.Count];
for (int i = 0; i < rdn.Count; i++)
{
// element[0] = attributeType
// element[1] = attributeValue
ASN1 element = new ASN1(rdn[i].Value);
distinguisedNames[i] = Encoding.UTF8.GetString(element[1].Value);
}
}
}
#endregion
}
}
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