mcs/class/System/Mono.Btls/MonoBtlsX509StoreCtx.cs

   1 //
   2 // MonoBtlsX509StoreCtx.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 && MONO_FEATURE_BTLS
  27 using System;
  28 using System.IO;
  29 using System.Runtime.InteropServices;
  30 using System.Runtime.CompilerServices;
  31
  32 namespace Mono.Btls
  33 {
  34         class MonoBtlsX509StoreCtx : MonoBtlsObject
  35         {
  36                 internal class BoringX509StoreCtxHandle : MonoBtlsHandle
  37                 {
  38                         bool dontFree;
  39
  40                         internal BoringX509StoreCtxHandle (IntPtr handle, bool ownsHandle = true)
  41                                 : base (handle, ownsHandle)
  42                         {
  43                                 dontFree = !ownsHandle;
  44                         }
  45
  46                         #if FIXME
  47                         internal BoringX509StoreCtxHandle (IntPtr handle)
  48                                 : base ()
  49                         {
  50                                 base.handle = handle;
  51                                 this.dontFree = true;
  52                         }
  53                         #endif
  54
  55                         protected override bool ReleaseHandle ()
  56                         {
  57                                 if (!dontFree)
  58                                         mono_btls_x509_store_ctx_free (handle);
  59                                 return true;
  60                         }
  61                 }
  62
  63                 int? verifyResult;
  64
  65                 new internal BoringX509StoreCtxHandle Handle {
  66                         get { return (BoringX509StoreCtxHandle)base.Handle; }
  67                 }
  68
  69                 [DllImport (BTLS_DYLIB)]
  70                 extern static IntPtr mono_btls_x509_store_ctx_new ();
  71
  72                 [DllImport (BTLS_DYLIB)]
  73                 extern static IntPtr mono_btls_x509_store_ctx_from_ptr (IntPtr ctx);
  74
  75                 [DllImport (BTLS_DYLIB)]
  76                 extern static MonoBtlsX509Error mono_btls_x509_store_ctx_get_error (IntPtr handle, out IntPtr error_string);
  77
  78                 [DllImport (BTLS_DYLIB)]
  79                 extern static int mono_btls_x509_store_ctx_get_error_depth (IntPtr handle);
  80
  81                 [DllImport (BTLS_DYLIB)]
  82                 extern static IntPtr mono_btls_x509_store_ctx_get_chain (IntPtr handle);
  83
  84                 [DllImport (BTLS_DYLIB)]
  85                 extern static int mono_btls_x509_store_ctx_init (IntPtr handle, IntPtr store, IntPtr chain);
  86
  87                 [DllImport (BTLS_DYLIB)]
  88                 extern static int mono_btls_x509_store_ctx_set_param (IntPtr handle, IntPtr param);
  89
  90                 [DllImport (BTLS_DYLIB)]
  91                 extern static int mono_btls_x509_store_ctx_verify_cert (IntPtr handle);
  92
  93                 [DllImport (BTLS_DYLIB)]
  94                 extern static IntPtr mono_btls_x509_store_ctx_get_by_subject (IntPtr handle, IntPtr name);
  95
  96                 [DllImport (BTLS_DYLIB)]
  97                 extern static IntPtr mono_btls_x509_store_ctx_get_current_cert (IntPtr handle);
  98
  99                 [DllImport (BTLS_DYLIB)]
 100                 extern static IntPtr mono_btls_x509_store_ctx_get_current_issuer (IntPtr handle);
 101
 102                 [DllImport (BTLS_DYLIB)]
 103                 extern static IntPtr mono_btls_x509_store_ctx_get_verify_param (IntPtr handle);
 104
 105                 [DllImport (BTLS_DYLIB)]
 106                 extern static IntPtr mono_btls_x509_store_ctx_get_untrusted (IntPtr handle);
 107
 108                 [DllImport (BTLS_DYLIB)]
 109                 extern static IntPtr mono_btls_x509_store_ctx_up_ref (IntPtr handle);
 110
 111                 [DllImport (BTLS_DYLIB)]
 112                 extern static void mono_btls_x509_store_ctx_free (IntPtr handle);
 113
 114                 internal MonoBtlsX509StoreCtx ()
 115                         : base (new BoringX509StoreCtxHandle (mono_btls_x509_store_ctx_new ()))
 116                 {
 117                 }
 118
 119                 static BoringX509StoreCtxHandle Create_internal (IntPtr store_ctx)
 120                 {
 121                         var handle = mono_btls_x509_store_ctx_from_ptr (store_ctx);
 122                         if (handle == IntPtr.Zero)
 123                                 throw new MonoBtlsException ();
 124                         return new BoringX509StoreCtxHandle (handle);
 125                 }
 126
 127                 internal MonoBtlsX509StoreCtx (int preverify_ok, IntPtr store_ctx)
 128                         : base (Create_internal (store_ctx))
 129                 {
 130                         verifyResult = preverify_ok;
 131                 }
 132
 133                 internal MonoBtlsX509StoreCtx (BoringX509StoreCtxHandle ptr, int? verifyResult)
 134                         : base (ptr)
 135                 {
 136                         this.verifyResult = verifyResult;
 137                 }
 138
 139                 public MonoBtlsX509Error GetError ()
 140                 {
 141                         IntPtr error_string_ptr;
 142                         return mono_btls_x509_store_ctx_get_error (Handle.DangerousGetHandle (), out error_string_ptr);
 143                 }
 144
 145                 public int GetErrorDepth ()
 146                 {
 147                         return mono_btls_x509_store_ctx_get_error_depth (Handle.DangerousGetHandle ());
 148                 }
 149
 150                 public MonoBtlsX509Exception GetException ()
 151                 {
 152                         IntPtr error_string_ptr;
 153                         var error = mono_btls_x509_store_ctx_get_error (Handle.DangerousGetHandle (), out error_string_ptr);
 154                         if (error == 0)
 155                                 return null;
 156                         if (error_string_ptr != IntPtr.Zero) {
 157                                 var error_string = Marshal.PtrToStringAnsi (error_string_ptr);
 158                                 return new MonoBtlsX509Exception (error, error_string);
 159                         }
 160                         return new MonoBtlsX509Exception (error, "Unknown verify error.");
 161                 }
 162
 163                 public MonoBtlsX509Chain GetChain ()
 164                 {
 165                         var chain = mono_btls_x509_store_ctx_get_chain (Handle.DangerousGetHandle ());
 166                         CheckError (chain != IntPtr.Zero);
 167                         return new MonoBtlsX509Chain (new MonoBtlsX509Chain.BoringX509ChainHandle (chain));
 168                 }
 169
 170                 public MonoBtlsX509Chain GetUntrusted ()
 171                 {
 172                         var chain = mono_btls_x509_store_ctx_get_untrusted (Handle.DangerousGetHandle ());
 173                         CheckError (chain != IntPtr.Zero);
 174                         return new MonoBtlsX509Chain (new MonoBtlsX509Chain.BoringX509ChainHandle (chain));
 175                 }
 176
 177                 public void Initialize (MonoBtlsX509Store store, MonoBtlsX509Chain chain)
 178                 {
 179                         var ret = mono_btls_x509_store_ctx_init (
 180                                 Handle.DangerousGetHandle (),
 181                                 store.Handle.DangerousGetHandle (),
 182                                 chain.Handle.DangerousGetHandle ());
 183                         CheckError (ret);
 184                 }
 185
 186                 public void SetVerifyParam (MonoBtlsX509VerifyParam param)
 187                 {
 188                         var ret = mono_btls_x509_store_ctx_set_param (
 189                                 Handle.DangerousGetHandle (),
 190                                 param.Handle.DangerousGetHandle ());
 191                         CheckError (ret);
 192                 }
 193
 194                 public int VerifyResult {
 195                         get {
 196                                 if (verifyResult == null)
 197                                         throw new InvalidOperationException ();
 198                                 return verifyResult.Value;
 199                         }
 200                 }
 201
 202                 public int Verify ()
 203                 {
 204                         verifyResult = mono_btls_x509_store_ctx_verify_cert (Handle.DangerousGetHandle ());
 205                         return verifyResult.Value;
 206                 }
 207
 208                 public MonoBtlsX509 LookupBySubject (MonoBtlsX509Name name)
 209                 {
 210                         var handle = mono_btls_x509_store_ctx_get_by_subject (
 211                                 Handle.DangerousGetHandle (), name.Handle.DangerousGetHandle ());
 212                         if (handle == IntPtr.Zero)
 213                                 return null;
 214                         return new MonoBtlsX509 (new MonoBtlsX509.BoringX509Handle (handle));
 215                 }
 216
 217                 public MonoBtlsX509 GetCurrentCertificate ()
 218                 {
 219                         var x509 = mono_btls_x509_store_ctx_get_current_cert (Handle.DangerousGetHandle ());
 220                         if (x509 == IntPtr.Zero)
 221                                 return null;
 222                         return new MonoBtlsX509 (new MonoBtlsX509.BoringX509Handle (x509));
 223                 }
 224
 225                 public MonoBtlsX509 GetCurrentIssuer ()
 226                 {
 227                         var x509 = mono_btls_x509_store_ctx_get_current_issuer (Handle.DangerousGetHandle ());
 228                         if (x509 == IntPtr.Zero)
 229                                 return null;
 230                         return new MonoBtlsX509 (new MonoBtlsX509.BoringX509Handle (x509));
 231                 }
 232
 233                 public MonoBtlsX509VerifyParam GetVerifyParam ()
 234                 {
 235                         var param = mono_btls_x509_store_ctx_get_verify_param (Handle.DangerousGetHandle ());
 236                         if (param == IntPtr.Zero)
 237                                 return null;
 238                         return new MonoBtlsX509VerifyParam (new MonoBtlsX509VerifyParam.BoringX509VerifyParamHandle (param));
 239                 }
 240
 241                 public MonoBtlsX509StoreCtx Copy ()
 242                 {
 243                         var copy = mono_btls_x509_store_ctx_up_ref (Handle.DangerousGetHandle ());
 244                         CheckError (copy != IntPtr.Zero);
 245                         return new MonoBtlsX509StoreCtx (new BoringX509StoreCtxHandle (copy), verifyResult);
 246                 }
 247         }
 248 }
 249 #endif