1 //------------------------------------------------------------
2 // Copyright (c) Microsoft Corporation. All rights reserved.
3 //------------------------------------------------------------
5 namespace System.ServiceModel.Channels
8 using System.Net.Security;
9 using System.Net.WebSockets;
11 using System.Security.Authentication;
12 using System.Security.Principal;
13 using System.ServiceModel;
14 using System.ServiceModel.Dispatcher;
15 using System.ServiceModel.Security;
19 internal static class TransactionFlowDefaults
21 internal const TransactionFlowOption IssuedTokens = TransactionFlowOption.NotAllowed;
22 internal const bool Transactions = false;
23 internal static TransactionProtocol TransactionProtocol = System.ServiceModel.TransactionProtocol.OleTransactions;
24 internal const string TransactionProtocolString = System.ServiceModel.Configuration.ConfigurationStrings.OleTransactions;
27 static class EncoderDefaults
29 internal const int MaxReadPoolSize = 64;
30 internal const int MaxWritePoolSize = 16;
32 internal const int MaxDepth = 32;
33 internal const int MaxStringContentLength = 8192;
34 internal const int MaxArrayLength = 16384;
35 internal const int MaxBytesPerRead = 4096;
36 internal const int MaxNameTableCharCount = 16384;
38 internal const int BufferedReadDefaultMaxDepth = 128;
39 internal const int BufferedReadDefaultMaxStringContentLength = Int32.MaxValue;
40 internal const int BufferedReadDefaultMaxArrayLength = Int32.MaxValue;
41 internal const int BufferedReadDefaultMaxBytesPerRead = Int32.MaxValue;
42 internal const int BufferedReadDefaultMaxNameTableCharCount = Int32.MaxValue;
44 internal const CompressionFormat DefaultCompressionFormat = CompressionFormat.None;
46 internal static readonly XmlDictionaryReaderQuotas ReaderQuotas = new XmlDictionaryReaderQuotas();
48 internal static bool IsDefaultReaderQuotas(XmlDictionaryReaderQuotas quotas)
50 return quotas.ModifiedQuotas == 0x00;
54 static class TextEncoderDefaults
56 internal static readonly Encoding Encoding = Encoding.GetEncoding(TextEncoderDefaults.EncodingString, new EncoderExceptionFallback(), new DecoderExceptionFallback());
57 internal const string EncodingString = "utf-8";
58 internal static readonly Encoding[] SupportedEncodings = new Encoding[] { Encoding.UTF8, Encoding.Unicode, Encoding.BigEndianUnicode };
59 internal const string MessageVersionString = System.ServiceModel.Configuration.ConfigurationStrings.Soap12WSAddressing10;
60 internal static readonly CharSetEncoding[] CharSetEncodings = new CharSetEncoding[]
62 new CharSetEncoding("utf-8", Encoding.UTF8),
63 new CharSetEncoding("utf-16LE", Encoding.Unicode),
64 new CharSetEncoding("utf-16BE", Encoding.BigEndianUnicode),
65 new CharSetEncoding("utf-16", null), // Ignore. Ambiguous charSet, so autodetect.
66 new CharSetEncoding(null, null), // CharSet omitted, so autodetect.
69 internal static void ValidateEncoding(Encoding encoding)
71 string charSet = encoding.WebName;
72 Encoding[] supportedEncodings = SupportedEncodings;
73 for (int i = 0; i < supportedEncodings.Length; i++)
75 if (charSet == supportedEncodings[i].WebName)
78 throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.MessageTextEncodingNotSupported, charSet), "encoding"));
81 internal static string EncodingToCharSet(Encoding encoding)
83 string webName = encoding.WebName;
84 CharSetEncoding[] charSetEncodings = CharSetEncodings;
85 for (int i = 0; i < charSetEncodings.Length; i++)
87 Encoding enc = charSetEncodings[i].Encoding;
91 if (enc.WebName == webName)
92 return charSetEncodings[i].CharSet;
97 internal static bool TryGetEncoding(string charSet, out Encoding encoding)
99 CharSetEncoding[] charSetEncodings = CharSetEncodings;
101 // Quick check for exact equality
102 for (int i = 0; i < charSetEncodings.Length; i++)
104 if (charSetEncodings[i].CharSet == charSet)
106 encoding = charSetEncodings[i].Encoding;
111 // Check for case insensative match
112 for (int i = 0; i < charSetEncodings.Length; i++)
114 string compare = charSetEncodings[i].CharSet;
118 if (compare.Equals(charSet, StringComparison.OrdinalIgnoreCase))
120 encoding = charSetEncodings[i].Encoding;
129 internal class CharSetEncoding
131 internal string CharSet;
132 internal Encoding Encoding;
134 internal CharSetEncoding(string charSet, Encoding enc)
142 static class MtomEncoderDefaults
144 internal const int MaxBufferSize = 65536;
147 static class BinaryEncoderDefaults
149 internal static EnvelopeVersion EnvelopeVersion { get { return EnvelopeVersion.Soap12; } }
150 internal static BinaryVersion BinaryVersion { get { return BinaryVersion.Version1; } }
151 internal const int MaxSessionSize = 2048;
154 static class MsmqDefaults
156 internal const MessageCredentialType DefaultClientCredentialType = MessageCredentialType.Windows;
157 internal const Uri CustomDeadLetterQueue = null;
158 internal const DeadLetterQueue DeadLetterQueue = System.ServiceModel.DeadLetterQueue.System;
159 internal const bool Durable = true;
160 internal const bool ExactlyOnce = true;
161 internal const bool ReceiveContextEnabled = true;
162 internal const int MaxRetryCycles = 2;
163 internal const int MaxPoolSize = 8;
164 internal const MsmqAuthenticationMode MsmqAuthenticationMode = System.ServiceModel.MsmqAuthenticationMode.WindowsDomain;
165 internal const MsmqEncryptionAlgorithm MsmqEncryptionAlgorithm = System.ServiceModel.MsmqEncryptionAlgorithm.RC4Stream;
166 internal const MsmqSecureHashAlgorithm MsmqSecureHashAlgorithm = System.ServiceModel.MsmqSecureHashAlgorithm.Sha1;
167 internal const ProtectionLevel MsmqProtectionLevel = ProtectionLevel.Sign;
168 internal const ReceiveErrorHandling ReceiveErrorHandling = System.ServiceModel.ReceiveErrorHandling.Fault;
169 internal const int ReceiveRetryCount = 5;
170 internal const QueueTransferProtocol QueueTransferProtocol = System.ServiceModel.QueueTransferProtocol.Native;
171 internal static TimeSpan RetryCycleDelay { get { return TimeSpanHelper.FromMinutes(30, MsmqDefaults.RetryCycleDelayString); } }
172 internal const string RetryCycleDelayString = "00:30:00";
173 internal static TimeSpan TimeToLive { get { return TimeSpanHelper.FromDays(1, MsmqDefaults.TimeToLiveString); } }
174 internal const string TimeToLiveString = "1.00:00:00";
175 internal const bool UseActiveDirectory = false;
176 internal const bool UseSourceJournal = false;
177 internal const bool UseMsmqTracing = false;
178 internal static TimeSpan ValidityDuration { get { return TimeSpanHelper.FromMinutes(5, MsmqDefaults.ValidityDurationString); } }
179 internal const string ValidityDurationString = "00:05:00";
180 internal static SecurityAlgorithmSuite MessageSecurityAlgorithmSuite
182 get { return SecurityAlgorithmSuite.Default; }
186 static class MsmqIntegrationDefaults
188 internal const System.ServiceModel.MsmqIntegration.MsmqMessageSerializationFormat SerializationFormat =
189 System.ServiceModel.MsmqIntegration.MsmqMessageSerializationFormat.Xml;
192 static class TransportDefaults
194 internal const bool ExtractGroupsForWindowsAccounts = SspiSecurityTokenProvider.DefaultExtractWindowsGroupClaims;
195 internal const HostNameComparisonMode HostNameComparisonMode = System.ServiceModel.HostNameComparisonMode.Exact;
196 internal const TokenImpersonationLevel ImpersonationLevel = TokenImpersonationLevel.Identification;
197 internal const bool ManualAddressing = false;
198 internal const long MaxReceivedMessageSize = 65536;
199 internal const int MaxDrainSize = (int)MaxReceivedMessageSize;
200 internal const long MaxBufferPoolSize = 512 * 1024;
201 internal const int MaxBufferSize = (int)MaxReceivedMessageSize;
202 internal const bool RequireClientCertificate = false;
203 internal const int MaxFaultSize = MaxBufferSize;
204 internal const int MaxSecurityFaultSize = 16384;
205 internal const SslProtocols SslProtocols = System.Security.Authentication.SslProtocols.Ssl3 |
206 System.Security.Authentication.SslProtocols.Tls |
207 System.Security.Authentication.SslProtocols.Tls11 |
208 System.Security.Authentication.SslProtocols.Tls12;
210 // Calling CreateFault on an incoming message can expose some DoS-related security
211 // vulnerabilities when a service is in streaming mode. See MB 47592 for more details.
212 // The RM protocol service does not use streaming mode on any of its bindings, so the
213 // message we have in hand has already passed the binding
\92s MaxReceivedMessageSize check.
214 // Custom transports can use RM so int.MaxValue is dangerous.
215 internal const int MaxRMFaultSize = (int)MaxReceivedMessageSize;
217 internal static MessageEncoderFactory GetDefaultMessageEncoderFactory()
219 return new BinaryMessageEncodingBindingElement().CreateMessageEncoderFactory();
223 static class ConnectionOrientedTransportDefaults
225 internal const bool AllowNtlm = SspiSecurityTokenProvider.DefaultAllowNtlm;
226 internal const int ConnectionBufferSize = 8192;
227 internal const string ConnectionPoolGroupName = "default";
228 internal const HostNameComparisonMode HostNameComparisonMode = System.ServiceModel.HostNameComparisonMode.StrongWildcard;
229 internal static TimeSpan IdleTimeout { get { return TimeSpanHelper.FromMinutes(2, IdleTimeoutString); } }
230 internal const string IdleTimeoutString = "00:02:00";
231 internal static TimeSpan ChannelInitializationTimeout { get { return TimeSpanHelper.FromSeconds(30, ChannelInitializationTimeoutString); } }
232 internal const string ChannelInitializationTimeoutString = "00:00:30";
233 internal const int MaxContentTypeSize = 256;
234 internal const int MaxOutboundConnectionsPerEndpoint = 10;
235 internal const int MaxPendingConnectionsConst = 0;
236 internal static TimeSpan MaxOutputDelay { get { return TimeSpanHelper.FromMilliseconds(200, MaxOutputDelayString); } }
237 internal const string MaxOutputDelayString = "00:00:00.2";
238 internal const int MaxPendingAcceptsConst = 0;
239 internal const int MaxViaSize = 2048;
240 internal const ProtectionLevel ProtectionLevel = System.Net.Security.ProtectionLevel.EncryptAndSign;
241 internal const TransferMode TransferMode = System.ServiceModel.TransferMode.Buffered;
243 private const int MaxPendingConnectionsPre45 = 10;
244 private const int MaxPendingAcceptsPre45 = 1;
246 internal static int GetMaxConnections()
248 return GetMaxPendingConnections();
251 internal static int GetMaxPendingConnections()
253 // OSEnvironmentHelper.IsApplicationTargeting45 checks for whether target Fx version is >= 4.5 despite its name
254 if (OSEnvironmentHelper.IsApplicationTargeting45)
256 return 12 * OSEnvironmentHelper.ProcessorCount;
259 return MaxPendingConnectionsPre45;
262 internal static int GetMaxPendingAccepts()
264 // OSEnvironmentHelper.IsApplicationTargeting45 checks for whether target Fx version is >= 4.5 despite its name
265 if (OSEnvironmentHelper.IsApplicationTargeting45)
267 return 2 * OSEnvironmentHelper.ProcessorCount;
270 return MaxPendingAcceptsPre45;
274 static class TcpTransportDefaults
276 internal const int ListenBacklogConst = 0;
277 internal static TimeSpan ConnectionLeaseTimeout { get { return TimeSpanHelper.FromMinutes(5, TcpTransportDefaults.ConnectionLeaseTimeoutString); } }
278 internal const string ConnectionLeaseTimeoutString = "00:05:00";
279 internal const bool PortSharingEnabled = false;
280 internal const bool TeredoEnabled = false;
282 private const int ListenBacklogPre45 = 10;
284 internal static int GetListenBacklog()
286 // OSEnvironmentHelper.IsApplicationTargeting45 checks for whether target Fx version is >= 4.5 despite its name
287 if (OSEnvironmentHelper.IsApplicationTargeting45)
289 return 12 * OSEnvironmentHelper.ProcessorCount;
292 return ListenBacklogPre45;
296 static class ApplicationContainerSettingsDefaults
298 internal const string CurrentUserSessionDefaultString = "CurrentSession";
299 internal const string Session0ServiceSessionString = "ServiceSession";
300 internal const string PackageFullNameDefaultString = null;
303 /// The current session will be used for resource lookup.
305 internal const int CurrentSession = -1;
308 /// Session 0 is the NT Service session
310 internal const int ServiceSession = 0;
313 static class HttpTransportDefaults
315 internal const bool AllowCookies = false;
316 internal const AuthenticationSchemes AuthenticationScheme = AuthenticationSchemes.Anonymous;
317 internal const bool BypassProxyOnLocal = false;
318 internal const bool DecompressionEnabled = true;
319 internal const HostNameComparisonMode HostNameComparisonMode = System.ServiceModel.HostNameComparisonMode.StrongWildcard;
320 internal const bool KeepAliveEnabled = true;
321 internal const Uri ProxyAddress = null;
322 internal const AuthenticationSchemes ProxyAuthenticationScheme = AuthenticationSchemes.Anonymous;
323 internal const string Realm = "";
324 internal const TransferMode TransferMode = System.ServiceModel.TransferMode.Buffered;
325 internal const bool UnsafeConnectionNtlmAuthentication = false;
326 internal const bool UseDefaultWebProxy = true;
327 internal const string UpgradeHeader = "Upgrade";
328 internal const string ConnectionHeader = "Connection";
329 internal const HttpMessageHandlerFactory MessageHandlerFactory = null;
331 internal static TimeSpan RequestInitializationTimeout { get { return TimeSpanHelper.FromMilliseconds(0, RequestInitializationTimeoutString); } }
332 internal const string RequestInitializationTimeoutString = "00:00:00";
334 // We use 0 as the default value of the MaxPendingAccepts property on HttpTransportBindingElement. In 4.5 we always
335 // use 10 under the hood if the default value is picked. In future releases, we could adjust the underlying default
336 // value when we have the dynamic expending pattern of BeginGetContext call implemented and the heap fragmentation issue
337 // from NCL layer solved.
338 const int PendingAcceptsConstant = 10;
339 internal const int DefaultMaxPendingAccepts = 0;
340 internal const int MaxPendingAcceptsUpperLimit = 100000;
341 internal static int GetEffectiveMaxPendingAccepts(int maxPendingAccepts)
343 return maxPendingAccepts == HttpTransportDefaults.DefaultMaxPendingAccepts ?
344 PendingAcceptsConstant :
349 internal static WebSocketTransportSettings GetDefaultWebSocketTransportSettings()
351 return new WebSocketTransportSettings();
354 internal static MessageEncoderFactory GetDefaultMessageEncoderFactory()
356 return new TextMessageEncoderFactory(MessageVersion.Default, TextEncoderDefaults.Encoding, EncoderDefaults.MaxReadPoolSize, EncoderDefaults.MaxWritePoolSize, EncoderDefaults.ReaderQuotas);
359 internal static SecurityAlgorithmSuite MessageSecurityAlgorithmSuite
361 get { return SecurityAlgorithmSuite.Default; }
365 static class NetTcpDefaults
367 internal const MessageCredentialType MessageSecurityClientCredentialType = MessageCredentialType.Windows;
368 internal const bool TransactionsEnabled = false;
370 internal static TransactionProtocol TransactionProtocol
372 get { return TransactionProtocol.Default; }
375 internal static SecurityAlgorithmSuite MessageSecurityAlgorithmSuite
377 get { return SecurityAlgorithmSuite.Default; }
381 static class NetHttpDefaults
383 internal static TransactionProtocol TransactionProtocol
385 get { return TransactionProtocol.Default; }
389 static class PeerTransportDefaults
391 internal const IPAddress ListenIPAddress = null;
392 internal const int Port = 0;
393 internal const string ResolverTypeString = null;
394 internal const PeerAuthenticationMode PeerNodeAuthenticationMode = PeerAuthenticationMode.Password;
395 internal const bool MessageAuthentication = false;
397 internal static bool ResolverAvailable
399 get { return PnrpPeerResolver.IsPnrpAvailable; }
402 internal static bool ResolverInstalled
404 get { return PnrpPeerResolver.IsPnrpInstalled; }
407 internal static Type ResolverType
409 get { return typeof(PnrpPeerResolver); }
412 internal static Type ResolverBindingElementType
414 get { return typeof(PnrpPeerResolverBindingElement); }
417 internal static PeerResolver CreateResolver()
419 return new PnrpPeerResolver();
424 static class OneWayDefaults
426 internal static TimeSpan IdleTimeout { get { return TimeSpanHelper.FromMinutes(2, IdleTimeoutString); } }
427 internal const string IdleTimeoutString = "00:02:00";
428 internal const int MaxOutboundChannelsPerEndpoint = 10;
429 internal static TimeSpan LeaseTimeout { get { return TimeSpanHelper.FromMinutes(10, LeaseTimeoutString); } }
430 internal const string LeaseTimeoutString = "00:10:00";
431 internal const int MaxAcceptedChannels = 10;
432 internal const bool PacketRoutable = false;
435 static class ReliableSessionDefaults
437 internal const string AcknowledgementIntervalString = "00:00:00.2";
438 internal static TimeSpan AcknowledgementInterval { get { return TimeSpanHelper.FromMilliseconds(200, AcknowledgementIntervalString); } }
439 internal const bool Enabled = false;
440 internal const bool FlowControlEnabled = true;
441 internal const string InactivityTimeoutString = "00:10:00";
442 internal static TimeSpan InactivityTimeout { get { return TimeSpanHelper.FromMinutes(10, InactivityTimeoutString); } }
443 internal const int MaxPendingChannels = 4;
444 internal const int MaxRetryCount = 8;
445 internal const int MaxTransferWindowSize = 8;
446 internal const bool Ordered = true;
447 internal static ReliableMessagingVersion ReliableMessagingVersion { get { return System.ServiceModel.ReliableMessagingVersion.WSReliableMessagingFebruary2005; } }
448 internal const string ReliableMessagingVersionString = System.ServiceModel.Configuration.ConfigurationStrings.WSReliableMessagingFebruary2005;
451 static class BasicHttpBindingDefaults
453 internal const BasicHttpMessageCredentialType MessageSecurityClientCredentialType = BasicHttpMessageCredentialType.UserName;
454 internal const WSMessageEncoding MessageEncoding = WSMessageEncoding.Text;
455 internal const TransferMode TransferMode = System.ServiceModel.TransferMode.Buffered;
456 internal static Encoding TextEncoding
458 get { return TextEncoderDefaults.Encoding; }
462 static class WSHttpBindingDefaults
464 internal const WSMessageEncoding MessageEncoding = WSMessageEncoding.Text;
467 static class WSDualHttpBindingDefaults
469 internal const WSMessageEncoding MessageEncoding = WSMessageEncoding.Text;
472 static class WebSocketDefaults
474 internal const WebSocketTransportUsage TransportUsage = WebSocketTransportUsage.Never;
475 internal const bool CreateNotificationOnConnection = false;
476 internal const string DefaultKeepAliveIntervalString = "00:00:00";
477 internal static readonly TimeSpan DefaultKeepAliveInterval = TimeSpanHelper.FromSeconds(0, DefaultKeepAliveIntervalString);
479 internal const int BufferSize = 16 * 1024;
480 internal const int MinReceiveBufferSize = 256;
481 internal const int MinSendBufferSize = 16;
482 internal const bool DisablePayloadMasking = false;
483 internal const WebSocketMessageType DefaultWebSocketMessageType = WebSocketMessageType.Binary;
484 internal const string SubProtocol = null;
486 internal const int DefaultMaxPendingConnections = 0;
487 // We set this number larger than that in TCP transport because in WebSocket cases, the connection is already authenticated
488 // after we create the half-open channel. The default value is set as the default one as MaxConcurrentSessions to make it work
489 // well in burst scenarios.
490 internal static readonly int MaxPendingConnectionsCpuCount = ServiceThrottle.DefaultMaxConcurrentSessionsCpuCount;
492 internal const string WebSocketConnectionHeaderValue = "Upgrade";
493 internal const string WebSocketUpgradeHeaderValue = "websocket";
495 [System.Diagnostics.CodeAnalysis.SuppressMessage(FxCop.Category.Globalization, "CA1303",
496 Justification = "These strings don't need to be localized.")]
497 static WebSocketDefaults()
502 static class NetHttpBindingDefaults
504 internal const NetHttpMessageEncoding MessageEncoding = NetHttpMessageEncoding.Binary;
505 internal const WebSocketTransportUsage TransportUsage = WebSocketTransportUsage.WhenDuplex;