mcs/class/System/Mono.Btls/MonoBtlsX509Lookup.cs

   1 //
   2 // MonoBtlsX509Lookup.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 using System.Collections.Generic;
  32
  33 namespace Mono.Btls
  34 {
  35         class MonoBtlsX509Lookup : MonoBtlsObject
  36         {
  37                 internal class BoringX509LookupHandle : MonoBtlsHandle
  38                 {
  39                         public BoringX509LookupHandle (IntPtr handle)
  40                                 : base (handle, true)
  41                         {
  42                         }
  43
  44                         protected override bool ReleaseHandle ()
  45                         {
  46                                 mono_btls_x509_lookup_free (handle);
  47                                 return true;
  48                         }
  49                 }
  50
  51                 new internal BoringX509LookupHandle Handle {
  52                         get { return (BoringX509LookupHandle)base.Handle; }
  53                 }
  54
  55                 [DllImport (BTLS_DYLIB)]
  56                 extern static IntPtr mono_btls_x509_lookup_new (IntPtr store, MonoBtlsX509LookupType type);
  57
  58                 [DllImport (BTLS_DYLIB)]
  59                 extern static int mono_btls_x509_lookup_load_file (IntPtr handle, IntPtr file, MonoBtlsX509FileType type);
  60
  61                 [DllImport (BTLS_DYLIB)]
  62                 extern static int mono_btls_x509_lookup_add_dir (IntPtr handle, IntPtr dir, MonoBtlsX509FileType type);
  63
  64                 [DllImport (BTLS_DYLIB)]
  65                 extern static int mono_btls_x509_lookup_add_mono (IntPtr handle, IntPtr monoLookup);
  66
  67                 [DllImport (BTLS_DYLIB)]
  68                 extern static void mono_btls_x509_lookup_method_mono_init (
  69                         IntPtr handle, IntPtr instance, IntPtr by_subject_func);
  70
  71                 [DllImport (BTLS_DYLIB)]
  72                 extern static int mono_btls_x509_lookup_init (IntPtr handle);
  73
  74                 [DllImport (BTLS_DYLIB)]
  75                 extern static int mono_btls_x509_lookup_shutdown (IntPtr handle);
  76
  77                 [DllImport (BTLS_DYLIB)]
  78                 extern static IntPtr mono_btls_x509_lookup_by_subject (IntPtr handle, IntPtr name);
  79
  80                 [DllImport (BTLS_DYLIB)]
  81                 extern static IntPtr mono_btls_x509_lookup_by_fingerprint (IntPtr handle, IntPtr bytes, int len);
  82
  83                 [DllImport (BTLS_DYLIB)]
  84                 extern static void mono_btls_x509_lookup_free (IntPtr handle);
  85
  86                 [DllImport (BTLS_DYLIB)]
  87                 extern static IntPtr mono_btls_x509_lookup_peek_lookup (IntPtr handle);
  88
  89                 MonoBtlsX509LookupType type;
  90                 List<MonoBtlsX509LookupMono> monoLookups;
  91
  92 #if FIXME
  93                 // Do we need this?
  94                 internal MonoBtlsX509Lookup (BoringX509LookupHandle handle)
  95                         : base (handle)
  96                 {
  97                 }
  98 #endif
  99
 100                 static BoringX509LookupHandle Create_internal (MonoBtlsX509Store store, MonoBtlsX509LookupType type)
 101                 {
 102                         var handle = mono_btls_x509_lookup_new (
 103                                 store.Handle.DangerousGetHandle (), type);
 104                         if (handle == IntPtr.Zero)
 105                                 throw new MonoBtlsException ();
 106                         return new BoringX509LookupHandle (handle);
 107                 }
 108
 109                 internal MonoBtlsX509Lookup (MonoBtlsX509Store store, MonoBtlsX509LookupType type)
 110                         : base (Create_internal (store, type))
 111                 {
 112                         this.type = type;
 113                 }
 114
 115                 internal IntPtr GetNativeLookup ()
 116                 {
 117                         return mono_btls_x509_lookup_peek_lookup (Handle.DangerousGetHandle ());
 118                 }
 119
 120                 public void LoadFile (string file, MonoBtlsX509FileType type)
 121                 {
 122                         IntPtr filePtr = IntPtr.Zero;
 123                         try {
 124                                 if (file != null)
 125                                         filePtr = Marshal.StringToHGlobalAnsi (file);
 126                                 var ret = mono_btls_x509_lookup_load_file (
 127                                         Handle.DangerousGetHandle (), filePtr, type);
 128                                 CheckError (ret);
 129                         } finally {
 130                                 if (filePtr != IntPtr.Zero)
 131                                         Marshal.FreeHGlobal (filePtr);
 132                         }
 133                 }
 134
 135                 public void AddDirectory (string dir, MonoBtlsX509FileType type)
 136                 {
 137                         IntPtr dirPtr = IntPtr.Zero;
 138                         try {
 139                                 if (dir != null)
 140                                         dirPtr = Marshal.StringToHGlobalAnsi (dir);
 141                                 var ret = mono_btls_x509_lookup_add_dir (
 142                                         Handle.DangerousGetHandle (), dirPtr, type);
 143                                 CheckError (ret);
 144                         } finally {
 145                                 if (dirPtr != IntPtr.Zero)
 146                                         Marshal.FreeHGlobal (dirPtr);
 147                         }
 148                 }
 149
 150                 // Takes ownership of the 'monoLookup'.
 151                 internal void AddMono (MonoBtlsX509LookupMono monoLookup)
 152                 {
 153                         if (type != MonoBtlsX509LookupType.MONO)
 154                                 throw new NotSupportedException ();
 155                         var ret = mono_btls_x509_lookup_add_mono (
 156                                 Handle.DangerousGetHandle (), monoLookup.Handle.DangerousGetHandle ());
 157                         CheckError (ret);
 158
 159                         if (monoLookups == null)
 160                                 monoLookups = new List<MonoBtlsX509LookupMono> ();
 161                         monoLookups.Add (monoLookup);
 162                 }
 163
 164                 public void Initialize ()
 165                 {
 166                         var ret = mono_btls_x509_lookup_init (Handle.DangerousGetHandle ());
 167                         CheckError (ret);
 168                 }
 169
 170                 public void Shutdown ()
 171                 {
 172                         var ret = mono_btls_x509_lookup_shutdown (Handle.DangerousGetHandle ());
 173                         CheckError (ret);
 174                 }
 175
 176                 public MonoBtlsX509 LookupBySubject (MonoBtlsX509Name name)
 177                 {
 178                         var handle = mono_btls_x509_lookup_by_subject (
 179                                 Handle.DangerousGetHandle (),
 180                                 name.Handle.DangerousGetHandle ());
 181                         if (handle == IntPtr.Zero)
 182                                 return null;
 183                         return new MonoBtlsX509 (new MonoBtlsX509.BoringX509Handle (handle));
 184                 }
 185
 186                 public MonoBtlsX509 LookupByFingerPrint (byte[] fingerprint)
 187                 {
 188                         var bytes = Marshal.AllocHGlobal (fingerprint.Length);
 189                         try {
 190                                 Marshal.Copy (fingerprint, 0, bytes, fingerprint.Length);
 191                                 var handle = mono_btls_x509_lookup_by_fingerprint (
 192                                         Handle.DangerousGetHandle (),
 193                                         bytes, fingerprint.Length);
 194                                 if (handle == IntPtr.Zero)
 195                                         return null;
 196                                 return new MonoBtlsX509 (new MonoBtlsX509.BoringX509Handle (handle));
 197                         } finally {
 198                                 if (bytes != IntPtr.Zero)
 199                                         Marshal.FreeHGlobal (bytes);
 200                         }
 201                 }
 202
 203                 protected override void Close ()
 204                 {
 205                         try {
 206                                 if (monoLookups != null) {
 207                                         foreach (var monoLookup in monoLookups)
 208                                                 monoLookup.Dispose ();
 209                                 monoLookups = null;
 210                                 }
 211                         } finally {
 212                                 base.Close ();
 213                         }
 214                 }
 215         }
 216 }
 217 #endif