mcs/class/Mono.Security/Mono.Security.Protocol.Tls.Handshake.Server/TlsServerCertificateRequest.cs

   1 // Transport Security Layer (TLS)
   2 // Copyright (c) 2003-2004 Carlos Guzman Alvarez
   3
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining
   6 // a copy of this software and associated documentation files (the
   7 // "Software"), to deal in the Software without restriction, including
   8 // without limitation the rights to use, copy, modify, merge, publish,
   9 // distribute, sublicense, and/or sell copies of the Software, and to
  10 // permit persons to whom the Software is furnished to do so, subject to
  11 // the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be
  14 // included in all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 //
  24
  25 using System;
  26 using System.Text;
  27 using Mono.Security;
  28
  29 namespace Mono.Security.Protocol.Tls.Handshake.Server
  30 {
  31         internal class TlsServerCertificateRequest : HandshakeMessage
  32         {
  33                 #region Constructors
  34
  35                 public TlsServerCertificateRequest(Context context)
  36                         : base(context, HandshakeType.CertificateRequest)
  37                 {
  38                 }
  39
  40                 #endregion
  41
  42                 #region Protected Methods
  43
  44                 protected override void ProcessAsSsl3()
  45                 {
  46                         this.ProcessAsTls1();
  47                 }
  48
  49                 protected override void ProcessAsTls1()
  50                 {
  51                         ServerContext context = (ServerContext)this.Context;
  52
  53                         int count = context.ServerSettings.CertificateTypes.Length;
  54
  55                         this.WriteByte(Convert.ToByte(count));
  56
  57                         // Write requested certificate types
  58                         for (int i = 0; i < count; i++)
  59                         {
  60                                 this.WriteByte((byte)context.ServerSettings.CertificateTypes[i]);
  61                         }
  62
  63                         /*
  64                          * Write requested certificate authorities (Distinguised Names)
  65                          *
  66                          * Name ::= SEQUENCE OF RelativeDistinguishedName
  67                          *
  68                          * RelativeDistinguishedName ::= SET OF AttributeValueAssertion
  69                          *
  70                          * AttributeValueAssertion ::= SEQUENCE {
  71                          * attributeType OBJECT IDENTIFIER
  72                          * attributeValue ANY }
  73                          */
  74
  75                         this.Write(Convert.ToInt16(context.ServerSettings.DistinguisedNames.Length));
  76
  77                         for (int i = 0; i < context.ServerSettings.DistinguisedNames.Length; i++)
  78                         {
  79 #warning "Write certificate authorities list"
  80                         }
  81                 }
  82
  83                 #endregion
  84         }
  85 }