mcs/class/System/System.Net.Security/SslStream.cs

   1 //
   2 // SslStream.cs
   3 //
   4 // Author:
   5 //       Martin Baulig <martin.baulig@xamarin.com>
   6 //
   7 // Copyright (c) 2015 Xamarin, Inc.
   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
  27 #if SECURITY_DEP
  28
  29 #if MONO_SECURITY_ALIAS
  30 extern alias MonoSecurity;
  31 #endif
  32
  33 #if MONO_SECURITY_ALIAS
  34 using MonoSecurity::Mono.Security.Interface;
  35 #else
  36 using Mono.Security.Interface;
  37 #endif
  38
  39 using CipherAlgorithmType = System.Security.Authentication.CipherAlgorithmType;
  40 using HashAlgorithmType = System.Security.Authentication.HashAlgorithmType;
  41 using ExchangeAlgorithmType = System.Security.Authentication.ExchangeAlgorithmType;
  42
  43 using System;
  44 using System.IO;
  45 using System.Net;
  46 using System.Net.Security;
  47 using System.Security.Authentication;
  48 using System.Security.Cryptography.X509Certificates;
  49 using System.Security.Permissions;
  50 using System.Security.Principal;
  51 using System.Security.Cryptography;
  52
  53 using System.Threading.Tasks;
  54
  55 using MNS = Mono.Net.Security;
  56
  57 namespace System.Net.Security
  58 {
  59         /*
  60          * These two are defined by the referencesource; add them heere to make
  61          * it easy to switch between the two implementations.
  62          */
  63
  64         internal delegate bool RemoteCertValidationCallback (
  65                 string host,
  66                 X509Certificate certificate,
  67                 X509Chain chain,
  68                 SslPolicyErrors sslPolicyErrors);
  69
  70         internal delegate X509Certificate LocalCertSelectionCallback (
  71                 string targetHost,
  72                 X509CertificateCollection localCertificates,
  73                 X509Certificate remoteCertificate,
  74                 string[] acceptableIssuers);
  75
  76         public class SslStream : AuthenticatedStream, MNS.IMonoSslStream
  77         {
  78                 MonoTlsProvider provider;
  79                 IMonoSslStream impl;
  80
  81                 internal IMonoSslStream Impl {
  82                         get {
  83                                 CheckDisposed ();
  84                                 return impl;
  85                         }
  86                 }
  87
  88                 internal MonoTlsProvider Provider {
  89                         get {
  90                                 CheckDisposed ();
  91                                 return provider;
  92                         }
  93                 }
  94
  95                 static MonoTlsProvider GetProvider ()
  96                 {
  97                         return MonoTlsProviderFactory.GetDefaultProvider ();
  98                 }
  99
 100                 public SslStream (Stream innerStream)
 101                         : this (innerStream, false)
 102                 {
 103                 }
 104
 105                 public SslStream (Stream innerStream, bool leaveInnerStreamOpen)
 106                         : base (innerStream, leaveInnerStreamOpen)
 107                 {
 108                         provider = GetProvider ();
 109                         impl = provider.CreateSslStream (innerStream, leaveInnerStreamOpen);
 110                 }
 111
 112                 public SslStream (Stream innerStream, bool leaveInnerStreamOpen, RemoteCertificateValidationCallback userCertificateValidationCallback)
 113                         : this (innerStream, leaveInnerStreamOpen, userCertificateValidationCallback, null)
 114                 {
 115                 }
 116
 117                 public SslStream (Stream innerStream, bool leaveInnerStreamOpen, RemoteCertificateValidationCallback userCertificateValidationCallback, LocalCertificateSelectionCallback userCertificateSelectionCallback)
 118                         : base (innerStream, leaveInnerStreamOpen)
 119                 {
 120                         provider = GetProvider ();
 121                         var settings = MonoTlsSettings.CopyDefaultSettings ();
 122                         settings.RemoteCertificateValidationCallback = MNS.Private.CallbackHelpers.PublicToMono (userCertificateValidationCallback);
 123                         settings.ClientCertificateSelectionCallback = MNS.Private.CallbackHelpers.PublicToMono (userCertificateSelectionCallback);
 124                         impl = provider.CreateSslStream (innerStream, leaveInnerStreamOpen, settings);
 125                 }
 126
 127                 [MonoLimitation ("encryptionPolicy is ignored")]
 128                 public SslStream (Stream innerStream, bool leaveInnerStreamOpen, RemoteCertificateValidationCallback userCertificateValidationCallback, LocalCertificateSelectionCallback userCertificateSelectionCallback, EncryptionPolicy encryptionPolicy)
 129                 : this (innerStream, leaveInnerStreamOpen, userCertificateValidationCallback, userCertificateSelectionCallback)
 130                 {
 131                 }
 132
 133                 internal SslStream (Stream innerStream, bool leaveInnerStreamOpen, IMonoSslStream impl)
 134                         : base (innerStream, leaveInnerStreamOpen)
 135                 {
 136                         this.impl = impl;
 137                 }
 138
 139                 public virtual void AuthenticateAsClient (string targetHost)
 140                 {
 141                         Impl.AuthenticateAsClient (targetHost);
 142                 }
 143
 144                 public virtual void AuthenticateAsClient (string targetHost, X509CertificateCollection clientCertificates, SslProtocols enabledSslProtocols, bool checkCertificateRevocation)
 145                 {
 146                         Impl.AuthenticateAsClient (targetHost, clientCertificates, enabledSslProtocols, checkCertificateRevocation);
 147                 }
 148
 149                 // [HostProtection (ExternalThreading=true)]
 150                 public virtual IAsyncResult BeginAuthenticateAsClient (string targetHost, AsyncCallback asyncCallback, object asyncState)
 151                 {
 152                         return Impl.BeginAuthenticateAsClient (targetHost, asyncCallback, asyncState);
 153                 }
 154
 155                 // [HostProtection (ExternalThreading=true)]
 156                 public virtual IAsyncResult BeginAuthenticateAsClient (string targetHost, X509CertificateCollection clientCertificates, SslProtocols enabledSslProtocols, bool checkCertificateRevocation, AsyncCallback asyncCallback, object asyncState)
 157                 {
 158                         return Impl.BeginAuthenticateAsClient (targetHost, clientCertificates, enabledSslProtocols, checkCertificateRevocation, asyncCallback, asyncState);
 159                 }
 160
 161                 public virtual void EndAuthenticateAsClient (IAsyncResult asyncResult)
 162                 {
 163                         Impl.EndAuthenticateAsClient (asyncResult);
 164                 }
 165
 166                 public virtual void AuthenticateAsServer (X509Certificate serverCertificate)
 167                 {
 168                         Impl.AuthenticateAsServer (serverCertificate);
 169                 }
 170
 171                 public virtual void AuthenticateAsServer (X509Certificate serverCertificate, bool clientCertificateRequired, SslProtocols enabledSslProtocols, bool checkCertificateRevocation)
 172                 {
 173                         Impl.AuthenticateAsServer (serverCertificate, clientCertificateRequired, enabledSslProtocols, checkCertificateRevocation);
 174                 }
 175
 176                 // [HostProtection (ExternalThreading=true)]
 177                 public virtual IAsyncResult BeginAuthenticateAsServer (X509Certificate serverCertificate, AsyncCallback asyncCallback, object asyncState)
 178                 {
 179                         return Impl.BeginAuthenticateAsServer (serverCertificate, asyncCallback, asyncState);
 180                 }
 181
 182                 public virtual IAsyncResult BeginAuthenticateAsServer (X509Certificate serverCertificate, bool clientCertificateRequired, SslProtocols enabledSslProtocols, bool checkCertificateRevocation, AsyncCallback asyncCallback, object asyncState)
 183                 {
 184                         return Impl.BeginAuthenticateAsServer (serverCertificate, clientCertificateRequired, enabledSslProtocols, checkCertificateRevocation, asyncCallback, asyncState);
 185                 }
 186
 187                 public virtual void EndAuthenticateAsServer (IAsyncResult asyncResult)
 188                 {
 189                         Impl.EndAuthenticateAsServer (asyncResult);
 190                 }
 191
 192                 public TransportContext TransportContext {
 193                         get {
 194                                 throw new NotSupportedException();
 195                         }
 196                 }
 197
 198                 // [HostProtection (ExternalThreading=true)]
 199                 public virtual Task AuthenticateAsClientAsync (string targetHost)
 200                 {
 201                         return Impl.AuthenticateAsClientAsync (targetHost);
 202                 }
 203
 204                 public virtual Task AuthenticateAsClientAsync (string targetHost, X509CertificateCollection clientCertificates, SslProtocols enabledSslProtocols, bool checkCertificateRevocation)
 205                 {
 206                         return Impl.AuthenticateAsClientAsync (targetHost, clientCertificates, enabledSslProtocols, checkCertificateRevocation);
 207                 }
 208
 209                 public virtual Task AuthenticateAsServerAsync (X509Certificate serverCertificate)
 210                 {
 211                         return Impl.AuthenticateAsServerAsync (serverCertificate);
 212                 }
 213
 214                 public virtual Task AuthenticateAsServerAsync (X509Certificate serverCertificate, bool clientCertificateRequired, SslProtocols enabledSslProtocols, bool checkCertificateRevocation)
 215                 {
 216                         return Impl.AuthenticateAsServerAsync (serverCertificate, clientCertificateRequired, enabledSslProtocols, checkCertificateRevocation);
 217                 }
 218
 219                 public override bool IsAuthenticated {
 220                         get { return Impl.IsAuthenticated; }
 221                 }
 222
 223                 public override bool IsMutuallyAuthenticated {
 224                         get { return Impl.IsMutuallyAuthenticated; }
 225                 }
 226
 227                 public override bool IsEncrypted {
 228                         get { return Impl.IsEncrypted; }
 229                 }
 230
 231                 public override bool IsSigned {
 232                         get { return Impl.IsSigned; }
 233                 }
 234
 235                 public override bool IsServer {
 236                         get { return Impl.IsServer; }
 237                 }
 238
 239                 public virtual SslProtocols SslProtocol {
 240                         get { return (SslProtocols)Impl.SslProtocol; }
 241                 }
 242
 243                 public virtual bool CheckCertRevocationStatus {
 244                         get { return Impl.CheckCertRevocationStatus; }
 245                 }
 246
 247                 X509Certificate MNS.IMonoSslStream.InternalLocalCertificate {
 248                         get { return Impl.InternalLocalCertificate; }
 249                 }
 250
 251                 public virtual X509Certificate LocalCertificate {
 252                         get { return Impl.LocalCertificate; }
 253                 }
 254
 255                 public virtual X509Certificate RemoteCertificate {
 256                         get { return Impl.RemoteCertificate; }
 257                 }
 258
 259                 public virtual CipherAlgorithmType CipherAlgorithm {
 260                         get { return (CipherAlgorithmType)Impl.CipherAlgorithm; }
 261                 }
 262
 263                 public virtual int CipherStrength {
 264                         get { return Impl.CipherStrength; }
 265                 }
 266
 267                 public virtual HashAlgorithmType HashAlgorithm {
 268                         get { return (HashAlgorithmType)Impl.HashAlgorithm; }
 269                 }
 270
 271                 public virtual int HashStrength {
 272                         get { return Impl.HashStrength; }
 273                 }
 274
 275                 public virtual ExchangeAlgorithmType KeyExchangeAlgorithm {
 276                         get { return (ExchangeAlgorithmType)Impl.KeyExchangeAlgorithm; }
 277                 }
 278
 279                 public virtual int KeyExchangeStrength {
 280                         get { return Impl.KeyExchangeStrength; }
 281                 }
 282
 283                 public override bool CanSeek {
 284                         get { return false; }
 285                 }
 286
 287                 public override bool CanRead {
 288                         get { return Impl.CanRead; }
 289                 }
 290
 291                 public override bool CanTimeout {
 292                         get { return Impl.CanTimeout; }
 293                 }
 294
 295                 public override bool CanWrite {
 296                         get { return Impl.CanWrite; }
 297                 }
 298
 299                 public override int ReadTimeout {
 300                         get { return Impl.ReadTimeout; }
 301                         set { Impl.ReadTimeout = value; }
 302                 }
 303
 304                 public override int WriteTimeout {
 305                         get { return Impl.WriteTimeout; }
 306                         set { Impl.WriteTimeout = value; }
 307                 }
 308
 309                 public override long Length {
 310                         get { return Impl.Length; }
 311                 }
 312
 313                 public override long Position {
 314                         get { return Impl.Position; }
 315                         set {
 316                                 throw new NotSupportedException (SR.GetString (SR.net_noseek));
 317                         }
 318                 }
 319
 320                 public override void SetLength (long value)
 321                 {
 322                         Impl.SetLength (value);
 323                 }
 324
 325                 public override long Seek (long offset, SeekOrigin origin)
 326                 {
 327                         throw new NotSupportedException (SR.GetString (SR.net_noseek));
 328                 }
 329
 330                 public override void Flush ()
 331                 {
 332                         Impl.Flush ();
 333                 }
 334
 335                 void CheckDisposed ()
 336                 {
 337                         if (impl == null)
 338                                 throw new ObjectDisposedException ("SslStream");
 339                 }
 340
 341                 protected override void Dispose (bool disposing)
 342                 {
 343                         try {
 344                                 if (impl != null && disposing) {
 345                                         impl.Dispose ();
 346                                         impl = null;
 347                                 }
 348                         } finally {
 349                                 base.Dispose (disposing);
 350                         }
 351                 }
 352
 353                 public override int Read (byte[] buffer, int offset, int count)
 354                 {
 355                         return Impl.Read (buffer, offset, count);
 356                 }
 357
 358                 public void Write (byte[] buffer)
 359                 {
 360                         Impl.Write (buffer);
 361                 }
 362
 363                 public override void Write (byte[] buffer, int offset, int count)
 364                 {
 365                         Impl.Write (buffer, offset, count);
 366                 }
 367
 368                 // [HostProtection (ExternalThreading=true)]
 369                 public override IAsyncResult BeginRead (byte[] buffer, int offset, int count, AsyncCallback asyncCallback, object asyncState)
 370                 {
 371                         return Impl.BeginRead (buffer, offset, count, asyncCallback, asyncState);
 372                 }
 373
 374                 public override int EndRead (IAsyncResult asyncResult)
 375                 {
 376                         return Impl.EndRead (asyncResult);
 377                 }
 378
 379                 // [HostProtection (ExternalThreading=true)]
 380                 public override IAsyncResult BeginWrite (byte[] buffer, int offset, int count, AsyncCallback asyncCallback, object asyncState)
 381                 {
 382                         return Impl.BeginWrite (buffer, offset, count, asyncCallback, asyncState);
 383                 }
 384
 385                 public override void EndWrite (IAsyncResult asyncResult)
 386                 {
 387                         Impl.EndWrite (asyncResult);
 388                 }
 389
 390                 AuthenticatedStream MNS.IMonoSslStream.AuthenticatedStream {
 391                         get { return this; }
 392                 }
 393
 394                 MonoTlsProvider MNS.IMonoSslStream.Provider {
 395                         get { return provider; }
 396                 }
 397
 398                 MonoTlsConnectionInfo MNS.IMonoSslStream.GetConnectionInfo ()
 399                 {
 400                         return Impl.GetConnectionInfo ();
 401                 }
 402         }
 403 }
 404 #else // !SECURITY_DEP
 405 namespace System.Net.Security
 406 {
 407         public class SslStream
 408         {
 409         }
 410 }
 411 #endif