mcs/class/Mono.Security/Mono.Security.Protocol.Ntlm/NtlmSettings.cs

   1 //
   2 // NtlmSettings.cs
   3 //
   4 // Author:
   5 //       Martin Baulig <martin.baulig@xamarin.com>
   6 //
   7 // Copyright (c) 2014 Xamarin Inc. (http://www.xamarin.com)
   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 using System;
  27 using System.Net;
  28 using System.Reflection;
  29
  30 namespace Mono.Security.Protocol.Ntlm {
  31
  32         /*
  33          * On Windows, this is controlled by a registry setting
  34          * (http://msdn.microsoft.com/en-us/library/ms814176.aspx)
  35          *
  36          * This can be configured by setting the static
  37          * NtlmSettings.DefaultAuthLevel property, the default value
  38          * is LM_and_NTLM_and_try_NTLMv2_Session.
  39          */
  40
  41         #if INSIDE_SYSTEM
  42         internal
  43         #else
  44         public
  45         #endif
  46         static class NtlmSettings {
  47
  48                 static NtlmAuthLevel defaultAuthLevel = NtlmAuthLevel.LM_and_NTLM_and_try_NTLMv2_Session;
  49
  50                 static FieldInfo GetDefaultAuthLevelField ()
  51                 {
  52                         #if INSIDE_SYSTEM
  53                         return null;
  54                         #else
  55                         var type = typeof (HttpWebRequest).Assembly.GetType ("Mono.Security.Protocol.Ntlm.NtlmSettings", false);
  56                         if (type == null)
  57                                 return null;
  58                         return type.GetField ("defaultAuthLevel", BindingFlags.Static | BindingFlags.NonPublic);
  59                         #endif
  60                 }
  61
  62                 #if INSIDE_SYSTEM
  63                 internal
  64                 #else
  65                 public
  66                 #endif
  67                 static NtlmAuthLevel DefaultAuthLevel {
  68                         get {
  69                                 var field = GetDefaultAuthLevelField ();
  70                                 if (field != null)
  71                                         return (NtlmAuthLevel)field.GetValue (null);
  72                                 else
  73                                         return defaultAuthLevel;
  74                         }
  75
  76                         set {
  77                                 var field = GetDefaultAuthLevelField ();
  78                                 if (field != null)
  79                                         field.SetValue (null, value);
  80                                 else
  81                                         defaultAuthLevel = value;
  82                         }
  83                 }
  84         }
  85 }