mcs/class/System/System/AndroidPlatform.cs

   1 //
   2 // System.AndroidPlatform.cs
   3 //
   4 // Author:
   5 //   Jonathan Pryor (jonp@xamarin.com)
   6 //
   7 // Copyright (C) 2012 Xamarin Inc (http://xamarin.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28 #if MONODROID
  29 using System;
  30 using System.Collections.Generic;
  31 using System.Net;
  32 using System.Net.Security;
  33 using System.Security.Cryptography.X509Certificates;
  34 #if SECURITY_DEP
  35 using MSX = Mono.Security.X509;
  36 #endif
  37
  38 namespace System {
  39
  40         internal static class AndroidPlatform {
  41                 delegate int GetInterfaceAddressesDelegate (out IntPtr ifap);
  42                 delegate void FreeInterfaceAddressesDelegate (IntPtr ifap);
  43
  44 #if SECURITY_DEP
  45                 static readonly Converter<List <byte[]>, bool> trustEvaluateSsl;
  46 #endif  // SECURITY_DEP
  47                 static readonly Func<IWebProxy> getDefaultProxy;
  48                 static readonly GetInterfaceAddressesDelegate getInterfaceAddresses;
  49                 static readonly FreeInterfaceAddressesDelegate freeInterfaceAddresses;
  50
  51                 static AndroidPlatform ()
  52                 {
  53                         var t = Type.GetType ("Android.Runtime.AndroidEnvironment, Mono.Android", throwOnError:true);
  54 #if SECURITY_DEP
  55                         trustEvaluateSsl = (Converter<List<byte[]>, bool>)
  56                                 Delegate.CreateDelegate (typeof (Converter<List<byte[]>, bool>),
  57                                                         t,
  58                                                         "TrustEvaluateSsl",
  59                                                         ignoreCase:false,
  60                                                         throwOnBindFailure:true);
  61 #endif  // SECURITY_DEP
  62                         getDefaultProxy = (Func<IWebProxy>)Delegate.CreateDelegate (
  63                                 typeof (Func<IWebProxy>), t, "GetDefaultProxy",
  64                                 ignoreCase:false,
  65                                 throwOnBindFailure:true);
  66
  67                         getInterfaceAddresses = (GetInterfaceAddressesDelegate)Delegate.CreateDelegate (
  68                                 typeof (GetInterfaceAddressesDelegate), t, "GetInterfaceAddresses",
  69                                 ignoreCase: false,
  70                                 throwOnBindFailure: false);
  71
  72                         freeInterfaceAddresses = (FreeInterfaceAddressesDelegate)Delegate.CreateDelegate (
  73                                 typeof (FreeInterfaceAddressesDelegate), t, "FreeInterfaceAddresses",
  74                                 ignoreCase: false,
  75                                 throwOnBindFailure: false);
  76                 }
  77
  78 #if SECURITY_DEP
  79                 internal static bool TrustEvaluateSsl (X509CertificateCollection collection)
  80                 {
  81                         var certsRawData = new List <byte[]> (collection.Count);
  82                         foreach (var cert in collection)
  83                                 certsRawData.Add (cert.GetRawCertData ());
  84                         return trustEvaluateSsl (certsRawData);
  85                 }
  86 #endif  // SECURITY_DEP
  87
  88                 internal static IWebProxy GetDefaultProxy ()
  89                 {
  90                         return getDefaultProxy ();
  91                 }
  92
  93                 internal static int GetInterfaceAddresses (out IntPtr ifap)
  94                 {
  95                         ifap = IntPtr.Zero;
  96                         if (getInterfaceAddresses == null)
  97                                 return -1;
  98
  99                         return getInterfaceAddresses (out ifap);
 100                 }
 101
 102                 internal static void FreeInterfaceAddresses (IntPtr ifap)
 103                 {
 104                         if (freeInterfaceAddresses == null)
 105                                 return;
 106
 107                         freeInterfaceAddresses (ifap);
 108                 }
 109         }
 110 }
 111 #endif  // MONODROID