108 lines
3.1 KiB
C#
108 lines
3.1 KiB
C#
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// Transport Security Layer (TLS)
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// Copyright (c) 2003-2004 Carlos Guzman Alvarez
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Text;
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using Mono.Security;
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using Mono.Security.X509;
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namespace Mono.Security.Protocol.Tls.Handshake.Server
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{
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internal class TlsServerCertificateRequest : HandshakeMessage
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{
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#region Constructors
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public TlsServerCertificateRequest(Context context)
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: base(context, HandshakeType.CertificateRequest)
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{
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}
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#endregion
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#region Protected Methods
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protected override void ProcessAsSsl3()
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{
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this.ProcessAsTls1();
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}
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protected override void ProcessAsTls1()
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{
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ServerContext context = (ServerContext)this.Context;
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int count = context.ServerSettings.CertificateTypes.Length;
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this.WriteByte(Convert.ToByte(count));
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// Write requested certificate types
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for (int i = 0; i < count; i++)
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{
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this.WriteByte((byte)context.ServerSettings.CertificateTypes[i]);
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}
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/*
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* Write requested certificate authorities (Distinguised Names)
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*
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* Name ::= SEQUENCE OF RelativeDistinguishedName
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*
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* RelativeDistinguishedName ::= SET OF AttributeValueAssertion
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*
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* AttributeValueAssertion ::= SEQUENCE {
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* attributeType OBJECT IDENTIFIER
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* attributeValue ANY }
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*/
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/*
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* From RFC 5246:
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* If the certificate_authorities list is empty, then the client MAY
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* send any certificate of the appropriate ClientCertificateType,
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* unless there is some external arrangement to the contrary.
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*
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* Better let the client choose which certificate instead of sending down
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* a potentially large list of DNs.
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if (context.ServerSettings.DistinguisedNames.Length > 0)
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{
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TlsStream list = new TlsStream ();
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// this is the worst formating ever :-|
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foreach (string dn in context.ServerSettings.DistinguisedNames)
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{
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byte[] name = X501.FromString (dn).GetBytes ();
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list.Write ((short)name.Length);
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list.Write (name);
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}
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this.Write ((short)list.Length);
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this.Write (list.ToArray ());
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}
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else
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{
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*/
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this.Write ((short)0);
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//}
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}
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#endregion
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}
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}
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