mcs/class/System/Mono.Btls/MonoBtlsX509Name.cs

   1 //
   2 // MonoBtlsX509Name.cs
   3 //
   4 // Author:
   5 //       Martin Baulig <martin.baulig@xamarin.com>
   6 //
   7 // Copyright (c) 2016 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.Text;
  30 using System.Runtime.InteropServices;
  31 using System.Runtime.CompilerServices;
  32
  33 namespace Mono.Btls
  34 {
  35         class MonoBtlsX509Name : MonoBtlsObject
  36         {
  37                 internal class BoringX509NameHandle : MonoBtlsHandle
  38                 {
  39                         bool dontFree;
  40
  41                         internal BoringX509NameHandle (IntPtr handle, bool ownsHandle)
  42                                 : base (handle, ownsHandle)
  43                         {
  44                                 this.dontFree = !ownsHandle;
  45                         }
  46
  47                         protected override bool ReleaseHandle ()
  48                         {
  49                                 if (!dontFree)
  50                                         mono_btls_x509_name_free (handle);
  51                                 return true;
  52                         }
  53                 }
  54
  55                 [DllImport (BTLS_DYLIB)]
  56                 extern static int mono_btls_x509_name_print_bio (IntPtr handle, IntPtr bio);
  57
  58                 [DllImport (BTLS_DYLIB)]
  59                 extern static int mono_btls_x509_name_print_string (IntPtr handle, IntPtr buffer, int size);
  60
  61                 [DllImport (BTLS_DYLIB)]
  62                 extern static int mono_btls_x509_name_get_raw_data (IntPtr handle, out IntPtr buffer, int use_canon_enc);
  63
  64                 [DllImport (BTLS_DYLIB)]
  65                 extern static long mono_btls_x509_name_hash (IntPtr handle);
  66
  67                 [DllImport (BTLS_DYLIB)]
  68                 extern static long mono_btls_x509_name_hash_old (IntPtr handle);
  69
  70                 [DllImport (BTLS_DYLIB)]
  71                 extern static int mono_btls_x509_name_get_entry_count (IntPtr handle);
  72
  73                 [DllImport (BTLS_DYLIB)]
  74                 extern static MonoBtlsX509NameEntryType mono_btls_x509_name_get_entry_type (IntPtr name, int index);
  75
  76                 [DllImport (BTLS_DYLIB)]
  77                 extern static int mono_btls_x509_name_get_entry_oid (IntPtr name, int index, IntPtr buffer, int size);
  78
  79                 [DllImport (BTLS_DYLIB)]
  80                 extern static int mono_btls_x509_name_get_entry_oid_data (IntPtr name, int index, out IntPtr data);
  81
  82                 [DllImport (BTLS_DYLIB)]
  83                 extern static int mono_btls_x509_name_get_entry_value (IntPtr name, int index, out int tag, out IntPtr str);
  84
  85                 [DllImport (BTLS_DYLIB)]
  86                 extern unsafe static IntPtr mono_btls_x509_name_from_data (void* data, int len, int use_canon_enc);
  87
  88                 [DllImport (BTLS_DYLIB)]
  89                 extern static void mono_btls_x509_name_free (IntPtr handle);
  90
  91                 new internal BoringX509NameHandle Handle {
  92                         get { return (BoringX509NameHandle)base.Handle; }
  93                 }
  94
  95                 internal MonoBtlsX509Name (BoringX509NameHandle handle)
  96                         : base (handle)
  97                 {
  98                 }
  99
 100                 public string GetString ()
 101                 {
 102                         const int size = 4096;
 103                         var data = Marshal.AllocHGlobal (size);
 104                         try {
 105                                 var ret = mono_btls_x509_name_print_string (
 106                                         Handle.DangerousGetHandle (), data, size);
 107                                 CheckError (ret);
 108                                 return Marshal.PtrToStringAnsi (data);
 109                         } finally {
 110                                 Marshal.FreeHGlobal (data);
 111                         }
 112                 }
 113
 114                 public void PrintBio (MonoBtlsBio bio)
 115                 {
 116                         var ret = mono_btls_x509_name_print_bio (
 117                                 Handle.DangerousGetHandle (),
 118                                 bio.Handle.DangerousGetHandle ());
 119                         CheckError (ret);
 120                 }
 121
 122                 public byte[] GetRawData (bool use_canon_enc)
 123                 {
 124                         IntPtr data;
 125                         var ret = mono_btls_x509_name_get_raw_data (
 126                                 Handle.DangerousGetHandle (),
 127                                 out data, use_canon_enc ? 1 : 0);
 128                         CheckError (ret > 0);
 129                         var buffer = new byte [ret];
 130                         Marshal.Copy (data, buffer, 0, ret);
 131                         FreeDataPtr (data);
 132                         return buffer;
 133                 }
 134
 135                 public long GetHash ()
 136                 {
 137                         return mono_btls_x509_name_hash (Handle.DangerousGetHandle ());
 138                 }
 139
 140                 public long GetHashOld ()
 141                 {
 142                         return mono_btls_x509_name_hash_old (Handle.DangerousGetHandle ());
 143                 }
 144
 145                 public int GetEntryCount ()
 146                 {
 147                         return mono_btls_x509_name_get_entry_count (Handle.DangerousGetHandle ());
 148                 }
 149
 150                 public MonoBtlsX509NameEntryType GetEntryType (int index)
 151                 {
 152                         if (index >= GetEntryCount ())
 153                                 throw new ArgumentOutOfRangeException ();
 154                         return mono_btls_x509_name_get_entry_type (
 155                                 Handle.DangerousGetHandle (), index);
 156                 }
 157
 158                 public string GetEntryOid (int index)
 159                 {
 160                         if (index >= GetEntryCount ())
 161                                 throw new ArgumentOutOfRangeException ();
 162
 163                         const int size = 4096;
 164                         var data = Marshal.AllocHGlobal (size);
 165                         try {
 166                                 var ret = mono_btls_x509_name_get_entry_oid (
 167                                         Handle.DangerousGetHandle (),
 168                                         index, data, size);
 169                                 CheckError (ret > 0);
 170                                 return Marshal.PtrToStringAnsi (data);
 171                         } finally {
 172                                 Marshal.FreeHGlobal (data);
 173                         }
 174                 }
 175
 176                 public byte[] GetEntryOidData (int index)
 177                 {
 178                         IntPtr data;
 179                         var ret = mono_btls_x509_name_get_entry_oid_data (
 180                                 Handle.DangerousGetHandle (), index, out data);
 181                         CheckError (ret > 0);
 182
 183                         var bytes = new byte[ret];
 184                         Marshal.Copy (data, bytes, 0, ret);
 185                         return bytes;
 186                 }
 187
 188                 public unsafe string GetEntryValue (int index, out int tag)
 189                 {
 190                         if (index >= GetEntryCount ())
 191                                 throw new ArgumentOutOfRangeException ();
 192                         IntPtr data;
 193                         var ret = mono_btls_x509_name_get_entry_value (
 194                                 Handle.DangerousGetHandle (), index, out tag, out data);
 195                         if (ret <= 0)
 196                                 return null;
 197                         try {
 198                                 return new UTF8Encoding ().GetString ((byte*)data, ret);
 199                         } finally {
 200                                 if (data != IntPtr.Zero)
 201                                         FreeDataPtr (data);
 202                         }
 203                 }
 204
 205                 public static unsafe MonoBtlsX509Name CreateFromData (byte[] data, bool use_canon_enc)
 206                 {
 207                         fixed (void *ptr = data) {
 208                                 var handle = mono_btls_x509_name_from_data (ptr, data.Length, use_canon_enc ? 1 : 0);
 209                                 if (handle == IntPtr.Zero)
 210                                         throw new MonoBtlsException ("mono_btls_x509_name_from_data() failed.");
 211                                 return new MonoBtlsX509Name (new BoringX509NameHandle (handle, false));
 212                         }
 213                 }
 214         }
 215 }
 216 #endif