mcs/class/System/Mono.Btls/MonoBtlsX509VerifyParam.cs

   1 //
   2 // MonoBtlsX509VerifyParam.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.Runtime.InteropServices;
  30 using System.Runtime.CompilerServices;
  31
  32 namespace Mono.Btls
  33 {
  34         class MonoBtlsX509VerifyParam : MonoBtlsObject
  35         {
  36                 internal class BoringX509VerifyParamHandle : MonoBtlsHandle
  37                 {
  38                         public BoringX509VerifyParamHandle (IntPtr handle)
  39                                 : base (handle, true)
  40                         {
  41                         }
  42
  43                         protected override bool ReleaseHandle ()
  44                         {
  45                                 mono_btls_x509_verify_param_free (handle);
  46                                 return true;
  47                         }
  48                 }
  49
  50                 new internal BoringX509VerifyParamHandle Handle {
  51                         get { return (BoringX509VerifyParamHandle)base.Handle; }
  52                 }
  53
  54                 [DllImport (BTLS_DYLIB)]
  55                 extern static IntPtr mono_btls_x509_verify_param_new ();
  56
  57                 [DllImport (BTLS_DYLIB)]
  58                 extern static IntPtr mono_btls_x509_verify_param_copy (IntPtr handle);
  59
  60                 [DllImport (BTLS_DYLIB)]
  61                 extern static IntPtr mono_btls_x509_verify_param_lookup (IntPtr name);
  62
  63                 [DllImport (BTLS_DYLIB)]
  64                 extern static int mono_btls_x509_verify_param_can_modify (IntPtr param);
  65
  66                 [DllImport (BTLS_DYLIB)]
  67                 extern static int mono_btls_x509_verify_param_set_name (IntPtr handle, IntPtr name);
  68
  69                 [DllImport (BTLS_DYLIB)]
  70                 extern static int mono_btls_x509_verify_param_set_host (IntPtr handle, IntPtr name, int namelen);
  71
  72                 [DllImport (BTLS_DYLIB)]
  73                 extern static int mono_btls_x509_verify_param_add_host (IntPtr handle, IntPtr name, int namelen);
  74
  75                 [DllImport (BTLS_DYLIB)]
  76                 extern static ulong mono_btls_x509_verify_param_get_flags (IntPtr handle);
  77
  78                 [DllImport (BTLS_DYLIB)]
  79                 extern static int mono_btls_x509_verify_param_set_flags (IntPtr handle, ulong flags);
  80
  81                 [DllImport (BTLS_DYLIB)]
  82                 extern static MonoBtlsX509VerifyFlags mono_btls_x509_verify_param_get_mono_flags (IntPtr handle);
  83
  84                 [DllImport (BTLS_DYLIB)]
  85                 extern static int mono_btls_x509_verify_param_set_mono_flags (IntPtr handle, MonoBtlsX509VerifyFlags flags);
  86
  87                 [DllImport (BTLS_DYLIB)]
  88                 extern static int mono_btls_x509_verify_param_set_purpose (IntPtr handle, MonoBtlsX509Purpose purpose);
  89
  90                 [DllImport (BTLS_DYLIB)]
  91                 extern static int mono_btls_x509_verify_param_get_depth (IntPtr handle);
  92
  93                 [DllImport (BTLS_DYLIB)]
  94                 extern static int mono_btls_x509_verify_param_set_depth (IntPtr handle, int depth);
  95
  96                 [DllImport (BTLS_DYLIB)]
  97                 extern static int mono_btls_x509_verify_param_set_time (IntPtr handle, long time);
  98
  99                 [DllImport (BTLS_DYLIB)]
 100                 extern static IntPtr mono_btls_x509_verify_param_get_peername (IntPtr handle);
 101
 102                 [DllImport (BTLS_DYLIB)]
 103                 extern static void mono_btls_x509_verify_param_free (IntPtr handle);
 104
 105                 internal MonoBtlsX509VerifyParam ()
 106                         : base (new BoringX509VerifyParamHandle (mono_btls_x509_verify_param_new ()))
 107                 {
 108                 }
 109
 110                 internal MonoBtlsX509VerifyParam (BoringX509VerifyParamHandle handle)
 111                         : base (handle)
 112                 {
 113                 }
 114
 115                 public MonoBtlsX509VerifyParam Copy ()
 116                 {
 117                         var copy = mono_btls_x509_verify_param_copy (Handle.DangerousGetHandle ());
 118                         CheckError (copy != IntPtr.Zero);
 119                         return new MonoBtlsX509VerifyParam (new BoringX509VerifyParamHandle (copy));
 120                 }
 121
 122                 public static MonoBtlsX509VerifyParam GetSslClient ()
 123                 {
 124                         return Lookup ("ssl_client", true);
 125                 }
 126
 127                 public static MonoBtlsX509VerifyParam GetSslServer ()
 128                 {
 129                         return Lookup ("ssl_server", true);
 130                 }
 131
 132                 public static MonoBtlsX509VerifyParam Lookup (string name, bool fail = false)
 133                 {
 134                         IntPtr namePtr = IntPtr.Zero;
 135                         IntPtr handle = IntPtr.Zero;
 136
 137                         try {
 138                                 namePtr = Marshal.StringToHGlobalAnsi (name);
 139                                 handle = mono_btls_x509_verify_param_lookup (namePtr);
 140                                 if (handle == IntPtr.Zero) {
 141                                         if (!fail)
 142                                                 return null;
 143                                         throw new MonoBtlsException ("X509_VERIFY_PARAM_lookup() could not find '{0}'.", name);
 144                                 }
 145
 146                                 return new MonoBtlsX509VerifyParam (new BoringX509VerifyParamHandle (handle));
 147                         } finally {
 148                                 if (namePtr != IntPtr.Zero)
 149                                         Marshal.FreeHGlobal (namePtr);
 150                         }
 151                 }
 152
 153                 public bool CanModify {
 154                         get {
 155                                 return mono_btls_x509_verify_param_can_modify (Handle.DangerousGetHandle ()) != 0;
 156                         }
 157                 }
 158
 159                 void WantToModify ()
 160                 {
 161                         if (!CanModify)
 162                                 throw new MonoBtlsException ("Attempting to modify read-only MonoBtlsX509VerifyParam instance.");
 163                 }
 164
 165                 public void SetName (string name)
 166                 {
 167                         WantToModify ();
 168                         IntPtr namePtr = IntPtr.Zero;
 169                         try {
 170                                 namePtr = Marshal.StringToHGlobalAnsi (name);
 171                                 var ret = mono_btls_x509_verify_param_set_name (
 172                                         Handle.DangerousGetHandle (), namePtr);
 173                                 CheckError (ret);
 174                         } finally {
 175                                 if (namePtr != IntPtr.Zero)
 176                                         Marshal.FreeHGlobal (namePtr);
 177                         }
 178                 }
 179
 180                 public void SetHost (string name)
 181                 {
 182                         WantToModify ();
 183                         IntPtr namePtr = IntPtr.Zero;
 184                         try {
 185                                 namePtr = Marshal.StringToHGlobalAnsi (name);
 186                                 var ret = mono_btls_x509_verify_param_set_host (
 187                                         Handle.DangerousGetHandle (), namePtr, name.Length);
 188                                 CheckError (ret);
 189                         } finally {
 190                                 if (namePtr != IntPtr.Zero)
 191                                         Marshal.FreeHGlobal (namePtr);
 192                         }
 193                 }
 194
 195                 public void AddHost (string name)
 196                 {
 197                         WantToModify ();
 198                         IntPtr namePtr = IntPtr.Zero;
 199                         try {
 200                                 namePtr = Marshal.StringToHGlobalAnsi (name);
 201                                 var ret = mono_btls_x509_verify_param_add_host (
 202                                         Handle.DangerousGetHandle (), namePtr, name.Length);
 203                                 CheckError (ret);
 204                         } finally {
 205                                 if (namePtr != IntPtr.Zero)
 206                                         Marshal.FreeHGlobal (namePtr);
 207                         }
 208                 }
 209
 210                 public ulong GetFlags ()
 211                 {
 212                         return mono_btls_x509_verify_param_get_flags (Handle.DangerousGetHandle ());
 213                 }
 214
 215                 public void SetFlags (ulong flags)
 216                 {
 217                         WantToModify ();
 218                         var ret = mono_btls_x509_verify_param_set_flags (
 219                                 Handle.DangerousGetHandle (), flags);
 220                         CheckError (ret);
 221                 }
 222
 223                 public MonoBtlsX509VerifyFlags GetMonoFlags ()
 224                 {
 225                         return mono_btls_x509_verify_param_get_mono_flags (
 226                                 Handle.DangerousGetHandle ());
 227                 }
 228
 229                 public void SetMonoFlags (MonoBtlsX509VerifyFlags flags)
 230                 {
 231                         WantToModify ();
 232                         var ret = mono_btls_x509_verify_param_set_mono_flags (
 233                                 Handle.DangerousGetHandle (), flags);
 234                         CheckError (ret);
 235                 }
 236
 237                 public void SetPurpose (MonoBtlsX509Purpose purpose)
 238                 {
 239                         WantToModify ();
 240                         var ret = mono_btls_x509_verify_param_set_purpose (
 241                                 Handle.DangerousGetHandle (), purpose);
 242                         CheckError (ret);
 243                 }
 244
 245                 public int GetDepth ()
 246                 {
 247                         return mono_btls_x509_verify_param_get_depth (Handle.DangerousGetHandle ());
 248                 }
 249
 250                 public void SetDepth (int depth)
 251                 {
 252                         WantToModify ();
 253                         var ret = mono_btls_x509_verify_param_set_depth (
 254                                 Handle.DangerousGetHandle (), depth);
 255                         CheckError (ret);
 256                 }
 257
 258                 public void SetTime (DateTime time)
 259                 {
 260                         WantToModify ();
 261                         var epoch = new DateTime (1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
 262                         var ticks = (long)time.Subtract (epoch).TotalSeconds;
 263                         var ret = mono_btls_x509_verify_param_set_time (
 264                                 Handle.DangerousGetHandle (), ticks);
 265                         CheckError (ret);
 266                 }
 267
 268                 public string GetPeerName ()
 269                 {
 270                         var peer = mono_btls_x509_verify_param_get_peername (Handle.DangerousGetHandle ());
 271                         if (peer == IntPtr.Zero)
 272                                 return null;
 273                         return Marshal.PtrToStringAnsi (peer);
 274                 }
 275         }
 276 }
 277 #endif