Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / SpnEndpointIdentity.cs / 1 / SpnEndpointIdentity.cs
//---------------------------------------------------------- // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------- namespace System.ServiceModel { using System; using System.ServiceModel.Dispatcher; using System.Diagnostics; using System.DirectoryServices; using System.Runtime.InteropServices; using System.IdentityModel.Claims; using System.IdentityModel.Policy; using System.Security.Cryptography; using System.Security.Principal; using System.ServiceModel.Diagnostics; using System.ServiceModel.Security; using System.Xml; using System.Xml.Serialization; public class SpnEndpointIdentity : EndpointIdentity { static TimeSpan spnLookupTime = TimeSpan.FromMinutes(1); SecurityIdentifier spnSid; bool hasSpnSidBeenComputed; Object thisLock = new Object(); static Object typeLock = new Object(); static DirectoryEntry directoryEntry; public static TimeSpan SpnLookupTime { get { return spnLookupTime; } set { if (value.Ticks < 0) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", value.Ticks, SR.GetString(SR.ValueMustBeNonNegative))); } spnLookupTime = value; } } public SpnEndpointIdentity(string spnName) { if (spnName == null) throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("spnName"); base.Initialize(Claim.CreateSpnClaim(spnName)); } public SpnEndpointIdentity(Claim identity) { if (identity == null) throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("identity"); // PreSharp Bug: Parameter 'identity.ResourceType' to this public method must be validated: A null-dereference can occur here. #pragma warning suppress 56506 // Claim.ClaimType will never return null if (!identity.ClaimType.Equals(ClaimTypes.Spn)) throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.UnrecognizedClaimTypeForIdentity, identity.ClaimType, ClaimTypes.Spn)); base.Initialize(identity); } internal override void WriteContentsTo(XmlDictionaryWriter writer) { if (writer == null) throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("writer"); writer.WriteElementString(XD.AddressingDictionary.Spn, XD.AddressingDictionary.IdentityExtensionNamespace, (string)this.IdentityClaim.Resource); } internal SecurityIdentifier GetSpnSid() { DiagnosticUtility.DebugAssert(ClaimTypes.Spn.Equals(this.IdentityClaim.ClaimType) || ClaimTypes.Dns.Equals(this.IdentityClaim.ClaimType), ""); if (!hasSpnSidBeenComputed) { lock (thisLock) { if (!hasSpnSidBeenComputed) { string spn = null; try { if (ClaimTypes.Dns.Equals(this.IdentityClaim.ClaimType)) { spn = "host/" + (string)this.IdentityClaim.Resource; } else { spn = (string)this.IdentityClaim.Resource; } // canonicalize SPN for use in LDAP filter following RFC 1960: if (spn != null) { spn = spn.Replace("*",@"\*").Replace("(",@"\(").Replace(")",@"\)"); } DirectoryEntry de = GetDirectoryEntry(); using (DirectorySearcher searcher = new DirectorySearcher(de)) { searcher.CacheResults = true; searcher.ClientTimeout = SpnLookupTime; searcher.Filter = "(&(objectCategory=Computer)(objectClass=computer)(servicePrincipalName=" + spn + "))"; searcher.PropertiesToLoad.Add("objectSid"); SearchResult result = searcher.FindOne(); if (result != null) { byte[] sidBinaryForm = (byte[])result.Properties["objectSid"][0]; this.spnSid = new SecurityIdentifier(sidBinaryForm, 0); } else { SecurityTraceRecordHelper.TraceSpnToSidMappingFailure(spn, null); } } } #pragma warning suppress 56500 // covered by FxCOP catch (Exception e) { // Always immediately rethrow fatal exceptions. if (DiagnosticUtility.IsFatal(e)) throw; if (e is NullReferenceException || e is SEHException) throw; SecurityTraceRecordHelper.TraceSpnToSidMappingFailure(spn, e); } finally { hasSpnSidBeenComputed = true; } } } } return this.spnSid; } static DirectoryEntry GetDirectoryEntry() { if (directoryEntry == null) { lock (typeLock) { if (directoryEntry == null) { DirectoryEntry tmp = new DirectoryEntry(@"LDAP://" + SecurityUtils.GetPrimaryDomain()); tmp.RefreshCache(new string[] { "name" }); System.Threading.Thread.MemoryBarrier(); directoryEntry = tmp; } } } return directoryEntry; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- FormatterServices.cs
- _AutoWebProxyScriptEngine.cs
- TypeNameParser.cs
- CodeExporter.cs
- EntityClassGenerator.cs
- ActivityTypeResolver.xaml.cs
- SQLCharsStorage.cs
- DataBoundControlAdapter.cs
- sqlmetadatafactory.cs
- ArgumentsParser.cs
- DivideByZeroException.cs
- ExpandCollapsePattern.cs
- UrlPropertyAttribute.cs
- EntitySetBase.cs
- XmlDataSourceView.cs
- XmlNodeReader.cs
- BitVector32.cs
- WebColorConverter.cs
- SafeNativeMethods.cs
- WeakRefEnumerator.cs
- TypeDelegator.cs
- QualifiedCellIdBoolean.cs
- OLEDB_Util.cs
- GraphicsContext.cs
- PackageRelationshipSelector.cs
- ResourceDictionary.cs
- PointLight.cs
- CFStream.cs
- ApplicationHost.cs
- ImmutableCommunicationTimeouts.cs
- GlyphTypeface.cs
- RegionInfo.cs
- UIElementIsland.cs
- TextContainerChangeEventArgs.cs
- AttributeQuery.cs
- UnmanagedMemoryAccessor.cs
- RemotingException.cs
- XmlLoader.cs
- ActivityCodeDomSerializer.cs
- Assert.cs
- UniqueSet.cs
- PeerTransportBindingElement.cs
- DependencyPropertyConverter.cs
- Error.cs
- ThreadStateException.cs
- DrawingGroupDrawingContext.cs
- PointAnimationClockResource.cs
- CollectionsUtil.cs
- codemethodreferenceexpression.cs
- FamilyMapCollection.cs
- Command.cs
- DoubleLinkListEnumerator.cs
- HttpContextServiceHost.cs
- DataSourceView.cs
- RepeatBehavior.cs
- HebrewCalendar.cs
- DataKey.cs
- ImpersonationContext.cs
- SystemUnicastIPAddressInformation.cs
- ToolStripControlHost.cs
- ToolStripDesignerAvailabilityAttribute.cs
- FigureParaClient.cs
- IdentityModelStringsVersion1.cs
- CompressedStack.cs
- XslVisitor.cs
- VirtualPath.cs
- JavaScriptObjectDeserializer.cs
- PathGradientBrush.cs
- ViewLoader.cs
- RIPEMD160Managed.cs
- HostingEnvironmentSection.cs
- MatrixValueSerializer.cs
- TextureBrush.cs
- HTTPNotFoundHandler.cs
- WebBaseEventKeyComparer.cs
- BamlBinaryWriter.cs
- StreamInfo.cs
- XmlElementAttributes.cs
- PropertyPathConverter.cs
- WebServiceReceive.cs
- OleDbDataReader.cs
- HotSpot.cs
- MyContact.cs
- XsdDuration.cs
- AtlasWeb.Designer.cs
- TagPrefixAttribute.cs
- DataSourceView.cs
- MemberProjectionIndex.cs
- WCFModelStrings.Designer.cs
- Viewport3DAutomationPeer.cs
- DefaultEvaluationContext.cs
- SyntaxCheck.cs
- AspNetSynchronizationContext.cs
- ParseChildrenAsPropertiesAttribute.cs
- TypeConverterHelper.cs
- ArrayExtension.cs
- _NegotiateClient.cs
- EventMappingSettings.cs
- SmtpNegotiateAuthenticationModule.cs
- DataObject.cs