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 !MONO_FEATURE_NEW_TLS
  28 #if SECURITY_DEP
  29
  30 #if MONO_SECURITY_ALIAS
  31 extern alias MonoSecurity;
  32 #endif
  33
  34 #if MONO_SECURITY_ALIAS
  35 using MonoSecurity::Mono.Security.Interface;
  36 #else
  37 using Mono.Security.Interface;
  38 #endif
  39
  40 using CipherAlgorithmType = System.Security.Authentication.CipherAlgorithmType;
  41 using HashAlgorithmType = System.Security.Authentication.HashAlgorithmType;
  42 using ExchangeAlgorithmType = System.Security.Authentication.ExchangeAlgorithmType;
  43
  44 using System;
  45 using System.IO;
  46 using System.Net;
  47 using System.Net.Security;
  48 using System.Security.Authentication;
  49 using System.Security.Cryptography.X509Certificates;
  50 using System.Security.Permissions;
  51 using System.Security.Principal;
  52 using System.Security.Cryptography;
  53
  54 using System.Threading.Tasks;
  55
  56 using MNS = Mono.Net.Security;
  57
  58 namespace System.Net.Security
  59 {
  60         /*
  61          * These two are defined by the referencesource; add them heere to make
  62          * it easy to switch between the two implementations.
  63          */
  64
  65         internal delegate bool RemoteCertValidationCallback (
  66                 string host,
  67                 X509Certificate certificate,
  68                 X509Chain chain,
  69                 SslPolicyErrors sslPolicyErrors);
  70
  71         internal delegate X509Certificate LocalCertSelectionCallback (
  72                 string targetHost,
  73                 X509CertificateCollection localCertificates,
  74                 X509Certificate remoteCertificate,
  75                 string[] acceptableIssuers);
  76
  77         public class SslStream : AuthenticatedStream, MNS.IMonoSslStream
  78         {
  79                 MonoTlsProvider provider;
  80                 IMonoSslStream impl;
  81
  82                 internal IMonoSslStream Impl {
  83                         get {
  84                                 CheckDisposed ();
  85                                 return impl;
  86                         }
  87                 }
  88
  89                 internal MonoTlsProvider Provider {
  90                         get {
  91                                 CheckDisposed ();
  92                                 return provider;
  93                         }
  94                 }
  95
  96                 static MonoTlsProvider GetProvider ()
  97                 {
  98                         return MonoTlsProviderFactory.GetDefaultProvider ();
  99                 }
 100
 101                 public SslStream (Stream innerStream)
 102                         : this (innerStream, false)
 103                 {
 104                 }
 105
 106                 public SslStream (Stream innerStream, bool leaveInnerStreamOpen)
 107                         : base (innerStream, leaveInnerStreamOpen)
 108                 {
 109                         provider = GetProvider ();
 110                         impl = provider.CreateSslStream (innerStream, leaveInnerStreamOpen);
 111                 }
 112
 113                 public SslStream (Stream innerStream, bool leaveInnerStreamOpen, RemoteCertificateValidationCallback userCertificateValidationCallback)
 114                         : this (innerStream, leaveInnerStreamOpen, userCertificateValidationCallback, null)
 115                 {
 116                 }
 117
 118                 public SslStream (Stream innerStream, bool leaveInnerStreamOpen, RemoteCertificateValidationCallback userCertificateValidationCallback, LocalCertificateSelectionCallback userCertificateSelectionCallback)
 119                         : base (innerStream, leaveInnerStreamOpen)
 120                 {
 121                         provider = GetProvider ();
 122                         var settings = MonoTlsSettings.CopyDefaultSettings ();
 123                         settings.RemoteCertificateValidationCallback = MNS.Private.CallbackHelpers.PublicToMono (userCertificateValidationCallback);
 124                         settings.ClientCertificateSelectionCallback = MNS.Private.CallbackHelpers.PublicToMono (userCertificateSelectionCallback);
 125                         impl = provider.CreateSslStream (innerStream, leaveInnerStreamOpen, settings);
 126                 }
 127
 128                 [MonoLimitation ("encryptionPolicy is ignored")]
 129                 public SslStream (Stream innerStream, bool leaveInnerStreamOpen, RemoteCertificateValidationCallback userCertificateValidationCallback, LocalCertificateSelectionCallback userCertificateSelectionCallback, EncryptionPolicy encryptionPolicy)
 130                 : this (innerStream, leaveInnerStreamOpen, userCertificateValidationCallback, userCertificateSelectionCallback)
 131                 {
 132                 }
 133
 134                 internal SslStream (Stream innerStream, bool leaveInnerStreamOpen, IMonoSslStream impl)
 135                         : base (innerStream, leaveInnerStreamOpen)
 136                 {
 137                         this.impl = impl;
 138                 }
 139
 140                 public virtual void AuthenticateAsClient (string targetHost)
 141                 {
 142                         Impl.AuthenticateAsClient (targetHost);
 143                 }
 144
 145                 public virtual void AuthenticateAsClient (string targetHost, X509CertificateCollection clientCertificates, SslProtocols enabledSslProtocols, bool checkCertificateRevocation)
 146                 {
 147                         Impl.AuthenticateAsClient (targetHost, clientCertificates, enabledSslProtocols, checkCertificateRevocation);
 148                 }
 149
 150                 // [HostProtection (ExternalThreading=true)]
 151                 public virtual IAsyncResult BeginAuthenticateAsClient (string targetHost, AsyncCallback asyncCallback, object asyncState)
 152                 {
 153                         return Impl.BeginAuthenticateAsClient (targetHost, asyncCallback, asyncState);
 154                 }
 155
 156                 // [HostProtection (ExternalThreading=true)]
 157                 public virtual IAsyncResult BeginAuthenticateAsClient (string targetHost, X509CertificateCollection clientCertificates, SslProtocols enabledSslProtocols, bool checkCertificateRevocation, AsyncCallback asyncCallback, object asyncState)
 158                 {
 159                         return Impl.BeginAuthenticateAsClient (targetHost, clientCertificates, enabledSslProtocols, checkCertificateRevocation, asyncCallback, asyncState);
 160                 }
 161
 162                 public virtual void EndAuthenticateAsClient (IAsyncResult asyncResult)
 163                 {
 164                         Impl.EndAuthenticateAsClient (asyncResult);
 165                 }
 166
 167                 public virtual void AuthenticateAsServer (X509Certificate serverCertificate)
 168                 {
 169                         Impl.AuthenticateAsServer (serverCertificate);
 170                 }
 171
 172                 public virtual void AuthenticateAsServer (X509Certificate serverCertificate, bool clientCertificateRequired, SslProtocols enabledSslProtocols, bool checkCertificateRevocation)
 173                 {
 174                         Impl.AuthenticateAsServer (serverCertificate, clientCertificateRequired, enabledSslProtocols, checkCertificateRevocation);
 175                 }
 176
 177                 // [HostProtection (ExternalThreading=true)]
 178                 public virtual IAsyncResult BeginAuthenticateAsServer (X509Certificate serverCertificate, AsyncCallback asyncCallback, object asyncState)
 179                 {
 180                         return Impl.BeginAuthenticateAsServer (serverCertificate, asyncCallback, asyncState);
 181                 }
 182
 183                 public virtual IAsyncResult BeginAuthenticateAsServer (X509Certificate serverCertificate, bool clientCertificateRequired, SslProtocols enabledSslProtocols, bool checkCertificateRevocation, AsyncCallback asyncCallback, object asyncState)
 184                 {
 185                         return Impl.BeginAuthenticateAsServer (serverCertificate, clientCertificateRequired, enabledSslProtocols, checkCertificateRevocation, asyncCallback, asyncState);
 186                 }
 187
 188                 public virtual void EndAuthenticateAsServer (IAsyncResult asyncResult)
 189                 {
 190                         Impl.EndAuthenticateAsServer (asyncResult);
 191                 }
 192
 193                 public TransportContext TransportContext {
 194                         get {
 195                                 throw new NotSupportedException();
 196                         }
 197                 }
 198
 199                 // [HostProtection (ExternalThreading=true)]
 200                 public virtual Task AuthenticateAsClientAsync (string targetHost)
 201                 {
 202                         return Impl.AuthenticateAsClientAsync (targetHost);
 203                 }
 204
 205                 public virtual Task AuthenticateAsClientAsync (string targetHost, X509CertificateCollection clientCertificates, SslProtocols enabledSslProtocols, bool checkCertificateRevocation)
 206                 {
 207                         return Impl.AuthenticateAsClientAsync (targetHost, clientCertificates, enabledSslProtocols, checkCertificateRevocation);
 208                 }
 209
 210                 public virtual Task AuthenticateAsServerAsync (X509Certificate serverCertificate)
 211                 {
 212                         return Impl.AuthenticateAsServerAsync (serverCertificate);
 213                 }
 214
 215                 public virtual Task AuthenticateAsServerAsync (X509Certificate serverCertificate, bool clientCertificateRequired, SslProtocols enabledSslProtocols, bool checkCertificateRevocation)
 216                 {
 217                         return Impl.AuthenticateAsServerAsync (serverCertificate, clientCertificateRequired, enabledSslProtocols, checkCertificateRevocation);
 218                 }
 219
 220                 public override bool IsAuthenticated {
 221                         get { return Impl.IsAuthenticated; }
 222                 }
 223
 224                 public override bool IsMutuallyAuthenticated {
 225                         get { return Impl.IsMutuallyAuthenticated; }
 226                 }
 227
 228                 public override bool IsEncrypted {
 229                         get { return Impl.IsEncrypted; }
 230                 }
 231
 232                 public override bool IsSigned {
 233                         get { return Impl.IsSigned; }
 234                 }
 235
 236                 public override bool IsServer {
 237                         get { return Impl.IsServer; }
 238                 }
 239
 240                 public virtual SslProtocols SslProtocol {
 241                         get { return (SslProtocols)Impl.SslProtocol; }
 242                 }
 243
 244                 public virtual bool CheckCertRevocationStatus {
 245                         get { return Impl.CheckCertRevocationStatus; }
 246                 }
 247
 248                 X509Certificate MNS.IMonoSslStream.InternalLocalCertificate {
 249                         get { return Impl.InternalLocalCertificate; }
 250                 }
 251
 252                 public virtual X509Certificate LocalCertificate {
 253                         get { return Impl.LocalCertificate; }
 254                 }
 255
 256                 public virtual X509Certificate RemoteCertificate {
 257                         get { return Impl.RemoteCertificate; }
 258                 }
 259
 260                 public virtual CipherAlgorithmType CipherAlgorithm {
 261                         get { return (CipherAlgorithmType)Impl.CipherAlgorithm; }
 262                 }
 263
 264                 public virtual int CipherStrength {
 265                         get { return Impl.CipherStrength; }
 266                 }
 267
 268                 public virtual HashAlgorithmType HashAlgorithm {
 269                         get { return (HashAlgorithmType)Impl.HashAlgorithm; }
 270                 }
 271
 272                 public virtual int HashStrength {
 273                         get { return Impl.HashStrength; }
 274                 }
 275
 276                 public virtual ExchangeAlgorithmType KeyExchangeAlgorithm {
 277                         get { return (ExchangeAlgorithmType)Impl.KeyExchangeAlgorithm; }
 278                 }
 279
 280                 public virtual int KeyExchangeStrength {
 281                         get { return Impl.KeyExchangeStrength; }
 282                 }
 283
 284                 public override bool CanSeek {
 285                         get { return false; }
 286                 }
 287
 288                 public override bool CanRead {
 289                         get { return Impl.CanRead; }
 290                 }
 291
 292                 public override bool CanTimeout {
 293                         get { return Impl.CanTimeout; }
 294                 }
 295
 296                 public override bool CanWrite {
 297                         get { return Impl.CanWrite; }
 298                 }
 299
 300                 public override int ReadTimeout {
 301                         get { return Impl.ReadTimeout; }
 302                         set { Impl.ReadTimeout = value; }
 303                 }
 304
 305                 public override int WriteTimeout {
 306                         get { return Impl.WriteTimeout; }
 307                         set { Impl.WriteTimeout = value; }
 308                 }
 309
 310                 public override long Length {
 311                         get { return Impl.Length; }
 312                 }
 313
 314                 public override long Position {
 315                         get { return Impl.Position; }
 316                         set {
 317                                 throw new NotSupportedException (SR.GetString (SR.net_noseek));
 318                         }
 319                 }
 320
 321                 public override void SetLength (long value)
 322                 {
 323                         Impl.SetLength (value);
 324                 }
 325
 326                 public override long Seek (long offset, SeekOrigin origin)
 327                 {
 328                         throw new NotSupportedException (SR.GetString (SR.net_noseek));
 329                 }
 330
 331                 public override void Flush ()
 332                 {
 333                         Impl.Flush ();
 334                 }
 335
 336                 void CheckDisposed ()
 337                 {
 338                         if (impl == null)
 339                                 throw new ObjectDisposedException ("SslStream");
 340                 }
 341
 342                 protected override void Dispose (bool disposing)
 343                 {
 344                         try {
 345                                 if (impl != null && disposing) {
 346                                         impl.Dispose ();
 347                                         impl = null;
 348                                 }
 349                         } finally {
 350                                 base.Dispose (disposing);
 351                         }
 352                 }
 353
 354                 public override int Read (byte[] buffer, int offset, int count)
 355                 {
 356                         return Impl.Read (buffer, offset, count);
 357                 }
 358
 359                 public void Write (byte[] buffer)
 360                 {
 361                         Impl.Write (buffer);
 362                 }
 363
 364                 public override void Write (byte[] buffer, int offset, int count)
 365                 {
 366                         Impl.Write (buffer, offset, count);
 367                 }
 368
 369                 // [HostProtection (ExternalThreading=true)]
 370                 public override IAsyncResult BeginRead (byte[] buffer, int offset, int count, AsyncCallback asyncCallback, object asyncState)
 371                 {
 372                         return Impl.BeginRead (buffer, offset, count, asyncCallback, asyncState);
 373                 }
 374
 375                 public override int EndRead (IAsyncResult asyncResult)
 376                 {
 377                         return Impl.EndRead (asyncResult);
 378                 }
 379
 380                 // [HostProtection (ExternalThreading=true)]
 381                 public override IAsyncResult BeginWrite (byte[] buffer, int offset, int count, AsyncCallback asyncCallback, object asyncState)
 382                 {
 383                         return Impl.BeginWrite (buffer, offset, count, asyncCallback, asyncState);
 384                 }
 385
 386                 public override void EndWrite (IAsyncResult asyncResult)
 387                 {
 388                         Impl.EndWrite (asyncResult);
 389                 }
 390
 391                 AuthenticatedStream MNS.IMonoSslStream.AuthenticatedStream {
 392                         get { return this; }
 393                 }
 394
 395                 MonoTlsProvider MNS.IMonoSslStream.Provider {
 396                         get { return provider; }
 397                 }
 398
 399                 MonoTlsConnectionInfo MNS.IMonoSslStream.GetConnectionInfo ()
 400                 {
 401                         return Impl.GetConnectionInfo ();
 402                 }
 403         }
 404 }
 405 #else // !SECURITY_DEP
 406 namespace System.Net.Security
 407 {
 408         public class SslStream
 409         {
 410         }
 411 }
 412 #endif
 413
 414 #endif