mcs/class/System/Mono.Net.Security/LegacyTlsProvider.cs

   1 //
   2 // LegacyTlsProvider.cs
   3 //
   4 // Author:
   5 //       Martin Baulig <martin.baulig@xamarin.com>
   6 //
   7 // Copyright (c) 2015 Xamarin, Inc.
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining a copy
  10 // of this software and associated documentation files (the "Software"), to deal
  11 // in the Software without restriction, including without limitation the rights
  12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  13 // copies of the Software, and to permit persons to whom the Software is
  14 // furnished to do so, subject to the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be included in
  17 // all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  25 // THE SOFTWARE.
  26 #if SECURITY_DEP
  27 #if MONO_SECURITY_ALIAS
  28 extern alias MonoSecurity;
  29 #endif
  30
  31 #if MONO_SECURITY_ALIAS
  32 using MSI = MonoSecurity::Mono.Security.Interface;
  33 #else
  34 using MSI = Mono.Security.Interface;
  35 #endif
  36
  37 using System;
  38 using System.IO;
  39 using System.Net;
  40 using System.Net.Security;
  41 using System.Security.Cryptography.X509Certificates;
  42 using System.Security.Authentication;
  43
  44 namespace Mono.Net.Security
  45 {
  46         /*
  47          * Strictly private - do not use outside the Mono.Net.Security directory.
  48          */
  49         class LegacyTlsProvider : MSI.MonoTlsProvider
  50         {
  51                 public override Guid ID {
  52                         get { return MonoTlsProviderFactory.LegacyId; }
  53                 }
  54
  55                 public override string Name {
  56                         get { return "legacy"; }
  57                 }
  58
  59                 public override bool SupportsSslStream {
  60                         get { return true; }
  61                 }
  62
  63                 public override bool SupportsConnectionInfo {
  64                         get { return false; }
  65                 }
  66
  67                 public override bool SupportsMonoExtensions {
  68                         get { return false; }
  69                 }
  70
  71                 internal override bool SupportsCleanShutdown {
  72                         get { return false; }
  73                 }
  74
  75                 public override SslProtocols SupportedProtocols {
  76                         get { return SslProtocols.Tls; }
  77                 }
  78
  79                 public override MSI.IMonoSslStream CreateSslStream (
  80                         Stream innerStream, bool leaveInnerStreamOpen,
  81                         MSI.MonoTlsSettings settings = null)
  82                 {
  83                         return SslStream.CreateMonoSslStream (innerStream, leaveInnerStreamOpen, this, settings);
  84                 }
  85
  86                 internal override MSI.IMonoSslStream CreateSslStreamInternal (
  87                         SslStream sslStream, Stream innerStream, bool leaveInnerStreamOpen,
  88                         MSI.MonoTlsSettings settings)
  89                 {
  90                         return new Private.LegacySslStream (innerStream, leaveInnerStreamOpen, sslStream, this, settings);
  91                 }
  92
  93                 internal override bool ValidateCertificate (
  94                         MSI.ICertificateValidator2 validator, string targetHost, bool serverMode,
  95                         X509CertificateCollection certificates, bool wantsChain, ref X509Chain chain,
  96                         ref MSI.MonoSslPolicyErrors errors, ref int status11)
  97                 {
  98                         if (wantsChain)
  99                                 chain = SystemCertificateValidator.CreateX509Chain (certificates);
 100                         var xerrors = (SslPolicyErrors)errors;
 101                         var result = SystemCertificateValidator.Evaluate (validator.Settings, targetHost, certificates, chain, ref xerrors, ref status11);
 102                         errors = (MSI.MonoSslPolicyErrors)xerrors;
 103                         return result;
 104                 }
 105         }
 106 }
 107 #endif
 108