mcs/class/System.ServiceModel/System.ServiceModel/NetTcpBinding.cs

   1 //
   2 // NetTcpBinding.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2005 Novell, Inc.  http://www.novell.com
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28 using System;
  29 using System.Collections.Generic;
  30 using System.Net.Security;
  31 using System.ServiceModel.Channels;
  32 using System.ServiceModel.Description;
  33 using System.ServiceModel.Security;
  34 using System.ServiceModel.Security.Tokens;
  35 using System.ServiceModel.Configuration;
  36 using System.Text;
  37 using System.Xml;
  38
  39 namespace System.ServiceModel
  40 {
  41         public class NetTcpBinding : Binding, IBindingRuntimePreferences
  42         {
  43                 int max_conn;
  44                 OptionalReliableSession reliable_session;
  45                 NetTcpSecurity security;
  46                 XmlDictionaryReaderQuotas reader_quotas
  47                         = new XmlDictionaryReaderQuotas ();
  48                 bool transaction_flow;
  49                 TransactionProtocol transaction_protocol;
  50                 TcpTransportBindingElement transport;
  51
  52                 public NetTcpBinding ()
  53                         : this (SecurityMode.Transport)
  54                 {
  55                 }
  56
  57                 public NetTcpBinding (SecurityMode securityMode)
  58                         : this (securityMode, false)
  59                 {
  60                 }
  61
  62                 public NetTcpBinding (SecurityMode securityMode,
  63                         bool reliableSessionEnabled)
  64                 {
  65                         security = new NetTcpSecurity (securityMode);
  66                         transport = new TcpTransportBindingElement ();
  67                 }
  68
  69                 public NetTcpBinding (string configurationName)
  70                         : this ()
  71                 {
  72                         var bindingsSection = ConfigUtil.BindingsSection;
  73                         var el = bindingsSection.NetTcpBinding.Bindings [configurationName];
  74                         el.ApplyConfiguration (this);
  75                 }
  76
  77                 internal NetTcpBinding (TcpTransportBindingElement transport,
  78                                         NetTcpSecurity security,
  79                                         bool reliableSessionEnabled)
  80                 {
  81                         this.transport = transport;
  82                         this.security = security;
  83                 }
  84
  85                 public HostNameComparisonMode HostNameComparisonMode {
  86                         get { return transport.HostNameComparisonMode; }
  87                         set { transport.HostNameComparisonMode = value; }
  88                 }
  89
  90                 public int ListenBacklog {
  91                         get { return transport.ListenBacklog; }
  92                         set { transport.ListenBacklog = value; }
  93                 }
  94
  95                 public long MaxBufferPoolSize {
  96                         get { return transport.MaxBufferPoolSize; }
  97                         set { transport.MaxBufferPoolSize = value; }
  98                 }
  99
 100                 public int MaxBufferSize {
 101                         get { return transport.MaxBufferSize; }
 102                         set { transport.MaxBufferSize = value; }
 103                 }
 104
 105                 [MonoTODO]
 106                 public int MaxConnections {
 107                         get { return max_conn; }
 108                         set { max_conn = value; }
 109                 }
 110
 111                 public long MaxReceivedMessageSize {
 112                         get { return transport.MaxReceivedMessageSize; }
 113                         set { transport.MaxReceivedMessageSize = value; }
 114                 }
 115
 116                 public bool PortSharingEnabled {
 117                         get { return transport.PortSharingEnabled; }
 118                         set { transport.PortSharingEnabled = value; }
 119                 }
 120
 121                 [MonoTODO]
 122                 public OptionalReliableSession ReliableSession {
 123                         get { return reliable_session; }
 124                 }
 125
 126                 public XmlDictionaryReaderQuotas ReaderQuotas {
 127                         get { return reader_quotas; }
 128                         set { reader_quotas = value; }
 129                 }
 130
 131                 public NetTcpSecurity Security {
 132                         get { return security; }
 133                         set { security = value; }
 134                 }
 135
 136                 public EnvelopeVersion EnvelopeVersion {
 137                         get { return EnvelopeVersion.Soap12; }
 138                 }
 139
 140                 public TransferMode TransferMode {
 141                         get { return transport.TransferMode; }
 142                         set { transport.TransferMode = value; }
 143                 }
 144
 145                 public bool TransactionFlow {
 146                         get { return transaction_flow; }
 147                         set { transaction_flow = value; }
 148                 }
 149
 150                 public TransactionProtocol TransactionProtocol {
 151                         get { return transaction_protocol; }
 152                         set { transaction_protocol = value; }
 153                 }
 154
 155                 // overrides
 156
 157                 public override string Scheme {
 158                         get { return "net.tcp"; }
 159                 }
 160
 161                 public override BindingElementCollection CreateBindingElements ()
 162                 {
 163                         BindingElement tx = new TransactionFlowBindingElement (TransactionProtocol.WSAtomicTransactionOctober2004);
 164                         SecurityBindingElement sec = CreateMessageSecurity ();
 165                         var msg = new BinaryMessageEncodingBindingElement ();
 166                         if (ReaderQuotas != null)
 167                                 ReaderQuotas.CopyTo (msg.ReaderQuotas);
 168                         var trsec = CreateTransportSecurity ();
 169                         BindingElement tr = GetTransport ();
 170                         List<BindingElement> list = new List<BindingElement> ();
 171                         if (tx != null)
 172                                 list.Add (tx);
 173                         if (sec != null)
 174                                 list.Add (sec);
 175                         list.Add (msg);
 176                         if (trsec != null)
 177                                 list.Add (trsec);
 178                         list.Add (tr);
 179                         return new BindingElementCollection (list.ToArray ());
 180                 }
 181
 182                 BindingElement GetTransport ()
 183                 {
 184                         return transport.Clone ();
 185                 }
 186
 187                 // It is problematic, but there is no option to disable establishing security context in this binding unlike WSHttpBinding...
 188                 SecurityBindingElement CreateMessageSecurity ()
 189                 {
 190                         if (Security.Mode == SecurityMode.Transport ||
 191                             Security.Mode == SecurityMode.None)
 192                                 return null;
 193
 194                         // FIXME: this is wrong. Could be Asymmetric, depends on Security.Message.AlgorithmSuite value.
 195                         SymmetricSecurityBindingElement element =
 196                                 new SymmetricSecurityBindingElement ();
 197
 198                         element.MessageSecurityVersion = MessageSecurityVersion.Default;
 199
 200                         element.SetKeyDerivation (false);
 201
 202                         switch (Security.Message.ClientCredentialType) {
 203                         case MessageCredentialType.Certificate:
 204                                 element.EndpointSupportingTokenParameters.Endorsing.Add (
 205                                         new X509SecurityTokenParameters ());
 206                                 goto default;
 207                         case MessageCredentialType.IssuedToken:
 208                                 IssuedSecurityTokenParameters istp =
 209                                         new IssuedSecurityTokenParameters ();
 210                                 // FIXME: issuer binding must be secure.
 211                                 istp.IssuerBinding = new CustomBinding (
 212                                         new TextMessageEncodingBindingElement (),
 213                                         GetTransport ());
 214                                 element.EndpointSupportingTokenParameters.Endorsing.Add (istp);
 215                                 goto default;
 216                         case MessageCredentialType.UserName:
 217                                 element.EndpointSupportingTokenParameters.SignedEncrypted.Add (
 218                                         new UserNameSecurityTokenParameters ());
 219                                 goto default;
 220                         case MessageCredentialType.Windows:
 221                                 element.ProtectionTokenParameters =
 222                                         new KerberosSecurityTokenParameters ();
 223                                 break;
 224                         default: // including .None
 225                                 X509SecurityTokenParameters p =
 226                                         new X509SecurityTokenParameters ();
 227                                 p.X509ReferenceStyle = X509KeyIdentifierClauseType.Thumbprint;
 228                                 element.ProtectionTokenParameters = p;
 229                                 break;
 230                         }
 231
 232                         // SecureConversation enabled
 233
 234                         ChannelProtectionRequirements reqs =
 235                                 new ChannelProtectionRequirements ();
 236                         // FIXME: fill the reqs
 237
 238                         return SecurityBindingElement.CreateSecureConversationBindingElement (
 239                                 // FIXME: requireCancellation
 240                                 element, true, reqs);
 241                 }
 242
 243                 BindingElement CreateTransportSecurity ()
 244                 {
 245                         switch (Security.Mode) {
 246                         case SecurityMode.Transport:
 247                                 return new WindowsStreamSecurityBindingElement () {
 248                                         ProtectionLevel = Security.Transport.ProtectionLevel };
 249
 250                         case SecurityMode.TransportWithMessageCredential:
 251                                 return new SslStreamSecurityBindingElement ();
 252
 253                         default:
 254                                 return null;
 255                         }
 256
 257                         // FIXME: consider Security.Transport.ExtendedProtectionPolicy.
 258
 259                         switch (Security.Transport.ClientCredentialType) {
 260                         case TcpClientCredentialType.Windows:
 261                                 return new WindowsStreamSecurityBindingElement () { ProtectionLevel = Security.Transport.ProtectionLevel };
 262                         case TcpClientCredentialType.Certificate:
 263                                 // FIXME: set RequireClientCertificate and IdentityVerifier depending on other properties, if applicable.
 264                                 return new SslStreamSecurityBindingElement ();
 265                         default: // includes None
 266                                 return null;
 267                         }
 268                 }
 269
 270                 bool IBindingRuntimePreferences.ReceiveSynchronously {
 271                         get { throw new NotImplementedException (); }
 272                 }
 273         }
 274 }