mcs/class/System/Mono.Btls/MonoBtlsPkcs12.cs

   1 //
   2 // MonoBtlsPkcs12.cs
   3 //
   4 // Author:
   5 //       Martin Baulig <martin.baulig@xamarin.com>
   6 //
   7 // Copyright (c) 2015 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 #if SECURITY_DEP
  27 using System;
  28 using System.IO;
  29 using System.Security.Cryptography.X509Certificates;
  30 using System.Runtime.CompilerServices;
  31 using System.Runtime.InteropServices;
  32
  33 namespace Mono.Btls
  34 {
  35         class MonoBtlsPkcs12 : MonoBtlsObject
  36         {
  37                 internal class BoringPkcs12Handle : MonoBtlsHandle
  38                 {
  39                         public BoringPkcs12Handle (IntPtr handle)
  40                                 : base (handle, true)
  41                         {
  42                         }
  43
  44                         protected override bool ReleaseHandle ()
  45                         {
  46                                 mono_btls_pkcs12_free (handle);
  47                                 return true;
  48                         }
  49                 }
  50
  51                 new internal BoringPkcs12Handle Handle {
  52                         get { return (BoringPkcs12Handle)base.Handle; }
  53                 }
  54
  55                 [MethodImpl (MethodImplOptions.InternalCall)]
  56                 extern static void mono_btls_pkcs12_free (IntPtr handle);
  57
  58                 [MethodImpl (MethodImplOptions.InternalCall)]
  59                 extern static IntPtr mono_btls_pkcs12_new ();
  60
  61                 [MethodImpl (MethodImplOptions.InternalCall)]
  62                 extern static int mono_btls_pkcs12_get_count (IntPtr handle);
  63
  64                 [MethodImpl (MethodImplOptions.InternalCall)]
  65                 extern static IntPtr mono_btls_pkcs12_get_cert (IntPtr Handle, int index);
  66
  67                 [MethodImpl (MethodImplOptions.InternalCall)]
  68                 extern static int mono_btls_pkcs12_add_cert (IntPtr chain, IntPtr x509);
  69
  70                 [MethodImpl (MethodImplOptions.InternalCall)]
  71                 extern unsafe static int mono_btls_pkcs12_import (IntPtr chain, void* data, int len, IntPtr password);
  72
  73                 [MethodImpl (MethodImplOptions.InternalCall)]
  74                 extern static int mono_btls_pkcs12_has_private_key (IntPtr pkcs12);
  75
  76                 [MethodImpl (MethodImplOptions.InternalCall)]
  77                 extern static IntPtr mono_btls_pkcs12_get_private_key (IntPtr pkcs12);
  78
  79                 internal MonoBtlsPkcs12 ()
  80                         : base (new BoringPkcs12Handle (mono_btls_pkcs12_new ()))
  81                 {
  82                 }
  83
  84                 internal MonoBtlsPkcs12 (BoringPkcs12Handle handle)
  85                         : base (handle)
  86                 {
  87                 }
  88
  89                 MonoBtlsKey privateKey;
  90
  91                 public int Count {
  92                         get { return mono_btls_pkcs12_get_count (Handle.DangerousGetHandle ()); }
  93                 }
  94
  95                 public MonoBtlsX509 GetCertificate (int index)
  96                 {
  97                         if (index >= Count)
  98                                 throw new IndexOutOfRangeException ();
  99                         var handle = mono_btls_pkcs12_get_cert (Handle.DangerousGetHandle (), index);
 100                         CheckError (handle != IntPtr.Zero);
 101                         return new MonoBtlsX509 (new MonoBtlsX509.BoringX509Handle (handle));
 102                 }
 103
 104                 public void AddCertificate (MonoBtlsX509 x509)
 105                 {
 106                         mono_btls_pkcs12_add_cert (
 107                                 Handle.DangerousGetHandle (),
 108                                 x509.Handle.DangerousGetHandle ());
 109                 }
 110
 111                 public unsafe void Import (byte[] buffer, string password)
 112                 {
 113                         var passptr = IntPtr.Zero;
 114                         fixed (void* ptr = buffer)
 115                         try {
 116                                 if (password != null)
 117                                         passptr = Marshal.StringToHGlobalAnsi (password);
 118                                 var ret = mono_btls_pkcs12_import (
 119                                         Handle.DangerousGetHandle (), ptr,
 120                                         buffer.Length, passptr);
 121                                 CheckError (ret);
 122                         } finally {
 123                                 if (passptr != IntPtr.Zero)
 124                                         Marshal.FreeHGlobal (passptr);
 125                         }
 126                 }
 127
 128                 public bool HasPrivateKey {
 129                         get { return mono_btls_pkcs12_has_private_key (Handle.DangerousGetHandle ()) != 0; }
 130                 }
 131
 132                 public MonoBtlsKey GetPrivateKey ()
 133                 {
 134                         if (!HasPrivateKey)
 135                                 throw new InvalidOperationException ();
 136                         if (privateKey == null) {
 137                                 var handle = mono_btls_pkcs12_get_private_key (Handle.DangerousGetHandle ());
 138                                 CheckError (handle != IntPtr.Zero);
 139                                 privateKey = new MonoBtlsKey (new MonoBtlsKey.BoringKeyHandle (handle));
 140                         }
 141                         return privateKey;
 142                 }
 143         }
 144 }
 145 #endif