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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel
{
using System;
using System.ComponentModel;
using System.Runtime;
using System.Runtime.CompilerServices;
using System.ServiceModel.Channels;
using System.ServiceModel.Security;
using System.ServiceModel.Security.Tokens;
public sealed class MessageSecurityOverTcp
{
internal const MessageCredentialType DefaultClientCredentialType = MessageCredentialType.Windows;
MessageCredentialType clientCredentialType;
SecurityAlgorithmSuite algorithmSuite;
bool wasAlgorithmSuiteSet;
public MessageSecurityOverTcp()
{
clientCredentialType = DefaultClientCredentialType;
algorithmSuite = SecurityAlgorithmSuite.Default;
}
[DefaultValue(MessageSecurityOverTcp.DefaultClientCredentialType)]
public MessageCredentialType ClientCredentialType
{
get { return this.clientCredentialType; }
set
{
if (!MessageCredentialTypeHelper.IsDefined(value))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
}
this.clientCredentialType = value;
}
}
[DefaultValue(typeof(SecurityAlgorithmSuite), System.ServiceModel.Configuration.ConfigurationStrings.Default)]
public SecurityAlgorithmSuite AlgorithmSuite
{
get { return this.algorithmSuite; }
set
{
if (value == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
}
this.algorithmSuite = value;
wasAlgorithmSuiteSet = true;
}
}
internal bool WasAlgorithmSuiteSet
{
get { return this.wasAlgorithmSuiteSet; }
}
[MethodImpl(MethodImplOptions.NoInlining)]
internal SecurityBindingElement CreateSecurityBindingElement(bool isSecureTransportMode, bool isReliableSession, BindingElement transportBindingElement)
{
SecurityBindingElement result;
SecurityBindingElement oneShotSecurity;
if (isSecureTransportMode)
{
switch (this.clientCredentialType)
{
case MessageCredentialType.None:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ClientCredentialTypeMustBeSpecifiedForMixedMode)));
case MessageCredentialType.UserName:
oneShotSecurity = SecurityBindingElement.CreateUserNameOverTransportBindingElement();
break;
case MessageCredentialType.Certificate:
oneShotSecurity = SecurityBindingElement.CreateCertificateOverTransportBindingElement();
break;
case MessageCredentialType.Windows:
oneShotSecurity = SecurityBindingElement.CreateSspiNegotiationOverTransportBindingElement(true);
break;
case MessageCredentialType.IssuedToken:
oneShotSecurity = SecurityBindingElement.CreateIssuedTokenOverTransportBindingElement(IssuedSecurityTokenParameters.CreateInfoCardParameters(new SecurityStandardsManager(), this.algorithmSuite));
break;
default:
Fx.Assert("unknown ClientCredentialType");
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException());
}
result = SecurityBindingElement.CreateSecureConversationBindingElement(oneShotSecurity);
}
else
{
switch (this.clientCredentialType)
{
case MessageCredentialType.None:
oneShotSecurity = SecurityBindingElement.CreateSslNegotiationBindingElement(false, true);
break;
case MessageCredentialType.UserName:
// require cancellation so that impersonation is possible
oneShotSecurity = SecurityBindingElement.CreateUserNameForSslBindingElement(true);
break;
case MessageCredentialType.Certificate:
oneShotSecurity = SecurityBindingElement.CreateSslNegotiationBindingElement(true, true);
break;
case MessageCredentialType.Windows:
// require cancellation so that impersonation is possible
oneShotSecurity = SecurityBindingElement.CreateSspiNegotiationBindingElement(true);
break;
case MessageCredentialType.IssuedToken:
oneShotSecurity = SecurityBindingElement.CreateIssuedTokenForSslBindingElement(IssuedSecurityTokenParameters.CreateInfoCardParameters(new SecurityStandardsManager(), this.algorithmSuite), true);
break;
default:
Fx.Assert("unknown ClientCredentialType");
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException());
}
result = SecurityBindingElement.CreateSecureConversationBindingElement(oneShotSecurity, true);
}
// set the algorithm suite and issued token params if required
result.DefaultAlgorithmSuite = oneShotSecurity.DefaultAlgorithmSuite = this.AlgorithmSuite;
result.IncludeTimestamp = true;
if (!isReliableSession)
{
result.LocalServiceSettings.ReconnectTransportOnFailure = false;
result.LocalClientSettings.ReconnectTransportOnFailure = false;
}
else
{
result.LocalServiceSettings.ReconnectTransportOnFailure = true;
result.LocalClientSettings.ReconnectTransportOnFailure = true;
}
// since a session is always bootstrapped, configure the transition sct to live for a short time only
oneShotSecurity.LocalServiceSettings.IssuedCookieLifetime = SpnegoTokenAuthenticator.defaultServerIssuedTransitionTokenLifetime;
result.MessageSecurityVersion = MessageSecurityVersion.WSSecurity11WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11;
oneShotSecurity.MessageSecurityVersion = MessageSecurityVersion.WSSecurity11WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11;
return result;
}
internal static bool TryCreate(SecurityBindingElement sbe, bool isReliableSession, BindingElement transportBindingElement, out MessageSecurityOverTcp messageSecurity)
{
messageSecurity = null;
if (sbe == null)
return false;
// do not check local settings: sbe.LocalServiceSettings and sbe.LocalClientSettings
if (!sbe.IncludeTimestamp)
return false;
if (sbe.MessageSecurityVersion != MessageSecurityVersion.WSSecurity11WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11
&& sbe.MessageSecurityVersion != MessageSecurityVersion.WSSecurity11WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11BasicSecurityProfile10)
{
return false;
}
if (sbe.SecurityHeaderLayout != SecurityProtocolFactory.defaultSecurityHeaderLayout)
return false;
MessageCredentialType clientCredentialType;
SecurityBindingElement bootstrapSecurity;
if (!SecurityBindingElement.IsSecureConversationBinding(sbe, true, out bootstrapSecurity))
return false;
bool isSecureTransportMode = bootstrapSecurity is TransportSecurityBindingElement;
IssuedSecurityTokenParameters infocardParameters;
if (isSecureTransportMode)
{
if (SecurityBindingElement.IsUserNameOverTransportBinding(bootstrapSecurity))
clientCredentialType = MessageCredentialType.UserName;
else if (SecurityBindingElement.IsCertificateOverTransportBinding(bootstrapSecurity))
clientCredentialType = MessageCredentialType.Certificate;
else if (SecurityBindingElement.IsSspiNegotiationOverTransportBinding(bootstrapSecurity, true))
clientCredentialType = MessageCredentialType.Windows;
else if (SecurityBindingElement.IsIssuedTokenOverTransportBinding(bootstrapSecurity, out infocardParameters))
{
if (!IssuedSecurityTokenParameters.IsInfoCardParameters(
infocardParameters,
new SecurityStandardsManager(
bootstrapSecurity.MessageSecurityVersion,
new WSSecurityTokenSerializer(
bootstrapSecurity.MessageSecurityVersion.SecurityVersion,
bootstrapSecurity.MessageSecurityVersion.TrustVersion,
bootstrapSecurity.MessageSecurityVersion.SecureConversationVersion,
true,
null, null, null))))
return false;
clientCredentialType = MessageCredentialType.IssuedToken;
}
else
{
// the standard binding does not support None client credential type in mixed mode
return false;
}
}
else
{
if (SecurityBindingElement.IsUserNameForSslBinding(bootstrapSecurity, true))
clientCredentialType = MessageCredentialType.UserName;
else if (SecurityBindingElement.IsSslNegotiationBinding(bootstrapSecurity, true, true))
clientCredentialType = MessageCredentialType.Certificate;
else if (SecurityBindingElement.IsSspiNegotiationBinding(bootstrapSecurity, true))
clientCredentialType = MessageCredentialType.Windows;
else if (SecurityBindingElement.IsIssuedTokenForSslBinding(bootstrapSecurity, true, out infocardParameters))
{
if (!IssuedSecurityTokenParameters.IsInfoCardParameters(
infocardParameters,
new SecurityStandardsManager(
bootstrapSecurity.MessageSecurityVersion,
new WSSecurityTokenSerializer(
bootstrapSecurity.MessageSecurityVersion.SecurityVersion,
bootstrapSecurity.MessageSecurityVersion.TrustVersion,
bootstrapSecurity.MessageSecurityVersion.SecureConversationVersion,
true,
null, null, null))))
return false;
clientCredentialType = MessageCredentialType.IssuedToken;
}
else if (SecurityBindingElement.IsSslNegotiationBinding(bootstrapSecurity, false, true))
clientCredentialType = MessageCredentialType.None;
else
return false;
}
messageSecurity = new MessageSecurityOverTcp();
messageSecurity.ClientCredentialType = clientCredentialType;
// set the algorithm suite and issued token params if required
if (clientCredentialType != MessageCredentialType.IssuedToken)
{
messageSecurity.AlgorithmSuite = bootstrapSecurity.DefaultAlgorithmSuite;
}
return true;
}
internal bool InternalShouldSerialize()
{
return this.ClientCredentialType != NetTcpDefaults.MessageSecurityClientCredentialType
|| this.AlgorithmSuite != NetTcpDefaults.MessageSecurityAlgorithmSuite;
}
}
}
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