mcs/class/System/Mono.Btls/MonoBtlsX509Store.cs

   1 //
   2 // MonoBtlsX509Store.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.Collections.Generic;
  30 using System.Runtime.InteropServices;
  31 using System.Runtime.CompilerServices;
  32 using System.Security.Cryptography.X509Certificates;
  33
  34 namespace Mono.Btls
  35 {
  36         class MonoBtlsX509Store : MonoBtlsObject
  37         {
  38                 internal class BoringX509StoreHandle : MonoBtlsHandle
  39                 {
  40                         public BoringX509StoreHandle (IntPtr handle)
  41                                 : base (handle, true)
  42                         {
  43                         }
  44
  45                         protected override bool ReleaseHandle ()
  46                         {
  47                                 mono_btls_x509_store_free (handle);
  48                                 return true;
  49                         }
  50                 }
  51
  52                 new internal BoringX509StoreHandle Handle {
  53                         get { return (BoringX509StoreHandle)base.Handle; }
  54                 }
  55
  56                 [DllImport (BTLS_DYLIB)]
  57                 extern static IntPtr mono_btls_x509_store_new ();
  58
  59                 [DllImport (BTLS_DYLIB)]
  60                 extern static IntPtr mono_btls_x509_store_from_ctx (IntPtr ctx);
  61
  62                 [DllImport (BTLS_DYLIB)]
  63                 extern static IntPtr mono_btls_x509_store_from_ssl_ctx (IntPtr handle);
  64
  65                 [DllImport (BTLS_DYLIB)]
  66                 extern static int mono_btls_x509_store_load_locations (IntPtr handle, IntPtr file, IntPtr path);
  67
  68                 [DllImport (BTLS_DYLIB)]
  69                 extern static int mono_btls_x509_store_set_default_paths (IntPtr handle);
  70
  71                 [DllImport (BTLS_DYLIB)]
  72                 extern static int mono_btls_x509_store_add_cert (IntPtr handle, IntPtr x509);
  73
  74                 [DllImport (BTLS_DYLIB)]
  75                 extern static int mono_btls_x509_store_get_count (IntPtr handle);
  76
  77                 [DllImport (BTLS_DYLIB)]
  78                 extern static void mono_btls_x509_store_free (IntPtr handle);
  79
  80                 Dictionary<IntPtr,MonoBtlsX509Lookup> lookupHash;
  81
  82                 public void LoadLocations (string file, string path)
  83                 {
  84                         IntPtr filePtr = IntPtr.Zero;
  85                         IntPtr pathPtr = IntPtr.Zero;
  86                         try {
  87                                 if (file != null)
  88                                         filePtr = Marshal.StringToHGlobalAnsi (file);
  89                                 if (path != null)
  90                                         pathPtr = Marshal.StringToHGlobalAnsi (path);
  91                                 var ret = mono_btls_x509_store_load_locations (
  92                                         Handle.DangerousGetHandle (), filePtr, pathPtr);
  93                                 CheckError (ret);
  94                         } finally {
  95                                 if (filePtr != IntPtr.Zero)
  96                                         Marshal.FreeHGlobal (filePtr);
  97                                 if (pathPtr != IntPtr.Zero)
  98                                         Marshal.FreeHGlobal (pathPtr);
  99                         }
 100                 }
 101
 102                 public void SetDefaultPaths ()
 103                 {
 104                         var ret = mono_btls_x509_store_set_default_paths (Handle.DangerousGetHandle ());
 105                         CheckError (ret);
 106                 }
 107
 108                 static BoringX509StoreHandle Create_internal ()
 109                 {
 110                         var handle = mono_btls_x509_store_new ();
 111                         if (handle == IntPtr.Zero)
 112                                 throw new MonoBtlsException ();
 113                         return new BoringX509StoreHandle (handle);
 114                 }
 115
 116                 static BoringX509StoreHandle Create_internal (IntPtr store_ctx)
 117                 {
 118                         var handle = mono_btls_x509_store_from_ssl_ctx (store_ctx);
 119                         if (handle == IntPtr.Zero)
 120                                 throw new MonoBtlsException ();
 121                         return new BoringX509StoreHandle (handle);
 122                 }
 123
 124                 static BoringX509StoreHandle Create_internal (MonoBtlsSslCtx.BoringSslCtxHandle ctx)
 125                 {
 126                         var handle = mono_btls_x509_store_from_ssl_ctx (ctx.DangerousGetHandle ());
 127                         if (handle == IntPtr.Zero)
 128                                 throw new MonoBtlsException ();
 129                         return new BoringX509StoreHandle (handle);
 130                 }
 131
 132                 internal MonoBtlsX509Store ()
 133                         : base (Create_internal ())
 134                 {
 135                 }
 136
 137                 internal MonoBtlsX509Store (IntPtr store_ctx)
 138                         : base (Create_internal (store_ctx))
 139                 {
 140                 }
 141
 142                 internal MonoBtlsX509Store (MonoBtlsSslCtx.BoringSslCtxHandle ctx)
 143                         : base (Create_internal (ctx))
 144                 {
 145                 }
 146
 147                 public void AddCertificate (MonoBtlsX509 x509)
 148                 {
 149                         var ret = mono_btls_x509_store_add_cert (
 150                                 Handle.DangerousGetHandle (),
 151                                 x509.Handle.DangerousGetHandle ());
 152                         CheckError (ret);
 153                 }
 154
 155                 public int GetCount ()
 156                 {
 157                         return mono_btls_x509_store_get_count (Handle.DangerousGetHandle ());
 158                 }
 159
 160                 internal void AddTrustedRoots ()
 161                 {
 162                         var systemRoot = MonoBtlsProvider.GetSystemStoreLocation ();
 163                         LoadLocations (null, systemRoot);
 164                 }
 165
 166                 public MonoBtlsX509Lookup AddLookup (MonoBtlsX509LookupType type)
 167                 {
 168                         if (lookupHash == null)
 169                                 lookupHash = new Dictionary<IntPtr,MonoBtlsX509Lookup> ();
 170
 171                         /*
 172                          * X509_STORE_add_lookup() returns the same 'X509_LOOKUP *' for each
 173                          * unique 'X509_LOOKUP_METHOD *' (which is supposed to be a static struct)
 174                          * and we want to use the same managed object for each unique 'X509_LOOKUP *'.
 175                         */
 176                         var lookup = new MonoBtlsX509Lookup (this, type);
 177                         var nativeLookup = lookup.GetNativeLookup ();
 178                         if (lookupHash.ContainsKey (nativeLookup)) {
 179                                 lookup.Dispose ();
 180                                 lookup = lookupHash [nativeLookup];
 181                         } else {
 182                                 lookupHash.Add (nativeLookup, lookup);
 183                         }
 184
 185                         return lookup;
 186                 }
 187
 188                 public void AddDirectoryLookup (string dir, MonoBtlsX509FileType type)
 189                 {
 190                         var lookup = AddLookup (MonoBtlsX509LookupType.HASH_DIR);
 191                         lookup.AddDirectory (dir, type);
 192                 }
 193
 194                 public void AddFileLookup (string file, MonoBtlsX509FileType type)
 195                 {
 196                         var lookup = AddLookup (MonoBtlsX509LookupType.FILE);
 197                         lookup.LoadFile (file, type);
 198                 }
 199
 200                 public void AddCollection (X509CertificateCollection collection, MonoBtlsX509TrustKind trust)
 201                 {
 202                         var monoLookup = new MonoBtlsX509LookupMonoCollection (collection, trust);
 203                         var lookup = new MonoBtlsX509Lookup (this, MonoBtlsX509LookupType.MONO);
 204                         lookup.AddMono (monoLookup);
 205                 }
 206
 207 #if MONODROID
 208                 public void AddAndroidLookup ()
 209                 {
 210                         var androidLookup = new MonoBtlsX509LookupAndroid ();
 211                         var lookup = new MonoBtlsX509Lookup (this, MonoBtlsX509LookupType.MONO);
 212                         lookup.AddMono (androidLookup);
 213                 }
 214 #endif
 215
 216                 protected override void Close ()
 217                 {
 218                         try {
 219                                 if (lookupHash != null) {
 220                                         foreach (var lookup in lookupHash.Values)
 221                                                 lookup.Dispose ();
 222                                         lookupHash = null;
 223                                 }
 224                         } finally {
 225                                 base.Close ();
 226                         }
 227                 }
 228         }
 229 }
 230 #endif