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//
// SecurityBindingElement.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2005-2006 Novell, Inc. http://www.novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ServiceModel.Description;
using System.ServiceModel.Channels;
using System.ServiceModel.Security;
#if !NET_2_1 && !XAMMAC_4_5
using System.ServiceModel.Channels.Security;
using System.IdentityModel.Selectors;
using System.IdentityModel.Tokens;
#endif
using System.ServiceModel.Security.Tokens;
using System.Text;
namespace System.ServiceModel.Channels
{
public abstract class SecurityBindingElement : BindingElement
{
internal SecurityBindingElement ()
{
MessageSecurityVersion = MessageSecurityVersion.Default;
endpoint = new SupportingTokenParameters ();
#if !NET_2_1 && !XAMMAC_4_5
DefaultAlgorithmSuite = SecurityAlgorithmSuite.Default;
KeyEntropyMode = SecurityKeyEntropyMode.CombinedEntropy;
operation = new Dictionary<string,SupportingTokenParameters> ();
opt_endpoint = new SupportingTokenParameters ();
opt_operation = new Dictionary<string,SupportingTokenParameters> ();
service_settings = new LocalServiceSecuritySettings ();
#endif
IncludeTimestamp = true;
LocalClientSettings = new LocalClientSecuritySettings ();
}
internal SecurityBindingElement (SecurityBindingElement other)
{
security_header_layout = other.security_header_layout;
msg_security_version = other.msg_security_version;
endpoint = other.endpoint.Clone ();
#if !NET_2_1 && !XAMMAC_4_5
alg_suite = other.alg_suite;
key_entropy_mode = other.key_entropy_mode;
opt_endpoint = other.opt_endpoint.Clone ();
operation = new Dictionary<string,SupportingTokenParameters> ();
foreach (KeyValuePair<string,SupportingTokenParameters> p in other.operation)
operation.Add (p.Key, p.Value.Clone ());
opt_operation = new Dictionary<string,SupportingTokenParameters> ();
foreach (KeyValuePair<string,SupportingTokenParameters> p in other.opt_operation)
opt_operation.Add (p.Key, p.Value.Clone ());
service_settings = other.service_settings.Clone ();
#endif
IncludeTimestamp = other.IncludeTimestamp;
LocalClientSettings = other.LocalClientSettings.Clone ();
}
SecurityHeaderLayout security_header_layout;
MessageSecurityVersion msg_security_version;
SupportingTokenParameters endpoint;
#if !NET_2_1 && !XAMMAC_4_5
SecurityAlgorithmSuite alg_suite;
SecurityKeyEntropyMode key_entropy_mode;
SupportingTokenParameters opt_endpoint;
IDictionary<string,SupportingTokenParameters> operation, opt_operation;
LocalServiceSecuritySettings service_settings;
#endif
public bool IncludeTimestamp { get; set; }
public LocalClientSecuritySettings LocalClientSettings { get; private set; }
public SecurityHeaderLayout SecurityHeaderLayout {
get { return security_header_layout; }
set { security_header_layout = value; }
}
public MessageSecurityVersion MessageSecurityVersion {
get { return msg_security_version; }
set { msg_security_version = value; }
}
public SupportingTokenParameters EndpointSupportingTokenParameters {
get { return endpoint; }
}
#if !NET_2_1 && !XAMMAC_4_5
public SecurityAlgorithmSuite DefaultAlgorithmSuite {
get { return alg_suite; }
set { alg_suite = value; }
}
public SecurityKeyEntropyMode KeyEntropyMode {
get { return key_entropy_mode; }
set { key_entropy_mode = value; }
}
public LocalServiceSecuritySettings LocalServiceSettings {
get { return service_settings; }
}
public IDictionary<string,SupportingTokenParameters> OperationSupportingTokenParameters {
get { return operation; }
}
public SupportingTokenParameters OptionalEndpointSupportingTokenParameters {
get { return opt_endpoint; }
}
public IDictionary<string,SupportingTokenParameters> OptionalOperationSupportingTokenParameters {
get { return opt_operation; }
}
#endif
[MonoTODO ("Implement for TransportSecurityBindingElement")]
public override bool CanBuildChannelFactory<TChannel> (BindingContext context)
{
#if NET_2_1 || XAMMAC_4_5
// not sure this should be like this, but there isn't Symmetric/Asymmetric elements in 2.1 anyways.
return context.CanBuildInnerChannelFactory<TChannel> ();
#else
if (this is TransportSecurityBindingElement)
throw new NotImplementedException ();
var symm = this as SymmetricSecurityBindingElement;
var asymm = this as AsymmetricSecurityBindingElement;
var pt = symm != null ? symm.ProtectionTokenParameters : asymm != null ? asymm.InitiatorTokenParameters : null;
if (pt == null)
return false;
var t = typeof (TChannel);
var req = new InitiatorServiceModelSecurityTokenRequirement ();
pt.InitializeSecurityTokenRequirement (req);
object dummy;
if (req.Properties.TryGetValue (ServiceModelSecurityTokenRequirement.IssuedSecurityTokenParametersProperty, out dummy) && dummy != null) {
if (t == typeof (IRequestSessionChannel))
return context.CanBuildInnerChannelFactory<IRequestChannel> () ||
context.CanBuildInnerChannelFactory<IRequestSessionChannel> ();
else if (t == typeof (IDuplexSessionChannel))
return context.CanBuildInnerChannelFactory<IDuplexChannel> () ||
context.CanBuildInnerChannelFactory<IDuplexSessionChannel> ();
} else {
if (t == typeof (IRequestChannel))
return context.CanBuildInnerChannelFactory<IRequestChannel> () ||
context.CanBuildInnerChannelFactory<IRequestSessionChannel> ();
else if (t == typeof (IDuplexChannel))
return context.CanBuildInnerChannelFactory<IDuplexChannel> () ||
context.CanBuildInnerChannelFactory<IDuplexSessionChannel> ();
}
return false;
#endif
}
public override IChannelFactory<TChannel> BuildChannelFactory<TChannel> (
BindingContext context)
{
return BuildChannelFactoryCore<TChannel> (context);
}
protected abstract IChannelFactory<TChannel>
BuildChannelFactoryCore<TChannel> (BindingContext context);
#if !NET_2_1 && !XAMMAC_4_5
[MonoTODO ("Implement for TransportSecurityBindingElement")]
public override bool CanBuildChannelListener<TChannel> (BindingContext context)
{
if (this is TransportSecurityBindingElement)
throw new NotImplementedException ();
var symm = this as SymmetricSecurityBindingElement;
var asymm = this as AsymmetricSecurityBindingElement;
var pt = symm != null ? symm.ProtectionTokenParameters : asymm != null ? asymm.RecipientTokenParameters : null;
if (pt == null)
return false;
var t = typeof (TChannel);
var req = new InitiatorServiceModelSecurityTokenRequirement ();
pt.InitializeSecurityTokenRequirement (req);
object dummy;
if (req.Properties.TryGetValue (ServiceModelSecurityTokenRequirement.IssuedSecurityTokenParametersProperty, out dummy) && dummy != null) {
if (t == typeof (IReplySessionChannel))
return context.CanBuildInnerChannelListener<IReplyChannel> () ||
context.CanBuildInnerChannelListener<IReplySessionChannel> ();
else if (t == typeof (IDuplexSessionChannel))
return context.CanBuildInnerChannelListener<IDuplexChannel> () ||
context.CanBuildInnerChannelListener<IDuplexSessionChannel> ();
} else {
if (t == typeof (IReplyChannel))
return context.CanBuildInnerChannelListener<IReplyChannel> () ||
context.CanBuildInnerChannelListener<IReplySessionChannel> ();
else if (t == typeof (IDuplexChannel))
return context.CanBuildInnerChannelListener<IDuplexChannel> () ||
context.CanBuildInnerChannelListener<IDuplexSessionChannel> ();
}
return false;
}
public override IChannelListener<TChannel> BuildChannelListener<TChannel> (
BindingContext context)
{
return BuildChannelListenerCore<TChannel> (context);
}
protected abstract IChannelListener<TChannel>
BuildChannelListenerCore<TChannel> (BindingContext context)
where TChannel : class, IChannel;
public override T GetProperty<T> (BindingContext context)
{
// It is documented that ISecurityCapabilities and IdentityVerifier can be returned.
// Though, this class is not inheritable, and they are returned by the derived types.
// So I don't care about them here.
return context.GetInnerProperty<T> ();
}
public virtual void SetKeyDerivation (bool requireDerivedKeys)
{
endpoint.SetKeyDerivation (requireDerivedKeys);
opt_endpoint.SetKeyDerivation (requireDerivedKeys);
foreach (SupportingTokenParameters p in operation.Values)
p.SetKeyDerivation (requireDerivedKeys);
foreach (SupportingTokenParameters p in opt_operation.Values)
p.SetKeyDerivation (requireDerivedKeys);
}
public override string ToString ()
{
var sb = new StringBuilder ();
sb.Append (GetType ().FullName).Append (":\n");
foreach (var pi in GetType ().GetProperties ()) {
var simple = Type.GetTypeCode (pi.PropertyType) != TypeCode.Object;
var val = pi.GetValue (this, null);
sb.Append (pi.Name).Append (':');
if (val != null)
sb.AppendFormat ("{0}{1}{2}", simple ? " " : "\n", simple ? "" : " ", String.Join ("\n ", val.ToString ().Split ('\n')));
sb.Append ('\n');
}
sb.Length--; // chop trailing EOL.
return sb.ToString ();
}
#else
[MonoTODO]
public override T GetProperty<T> (BindingContext context)
{
return null;
}
#endif
#region Factory methods
#if !NET_2_1 && !XAMMAC_4_5
public static SymmetricSecurityBindingElement
CreateAnonymousForCertificateBindingElement ()
{
SymmetricSecurityBindingElement be = new SymmetricSecurityBindingElement ();
be.RequireSignatureConfirmation = true;
be.ProtectionTokenParameters = CreateProtectionTokenParameters (true);
return be;
}
public static TransportSecurityBindingElement
CreateCertificateOverTransportBindingElement ()
{
return CreateCertificateOverTransportBindingElement (MessageSecurityVersion.Default);
}
public static TransportSecurityBindingElement
CreateCertificateOverTransportBindingElement (MessageSecurityVersion version)
{
var be = new TransportSecurityBindingElement () { MessageSecurityVersion = version };
be.EndpointSupportingTokenParameters.SignedEncrypted.Add (new X509SecurityTokenParameters ());
return be;
}
[MonoTODO]
public static AsymmetricSecurityBindingElement
CreateCertificateSignatureBindingElement ()
{
throw new NotImplementedException ();
}
[MonoTODO]
public static SymmetricSecurityBindingElement
CreateIssuedTokenBindingElement (
IssuedSecurityTokenParameters issuedTokenParameters)
{
SymmetricSecurityBindingElement be = new SymmetricSecurityBindingElement ();
be.ProtectionTokenParameters = issuedTokenParameters;
return be;
}
public static SymmetricSecurityBindingElement
CreateIssuedTokenForCertificateBindingElement (
IssuedSecurityTokenParameters issuedTokenParameters)
{
SymmetricSecurityBindingElement be = new SymmetricSecurityBindingElement ();
be.RequireSignatureConfirmation = true;
be.ProtectionTokenParameters = CreateProtectionTokenParameters (true);
be.EndpointSupportingTokenParameters.Endorsing.Add (
issuedTokenParameters);
return be;
}
[MonoTODO]
public static SymmetricSecurityBindingElement
CreateIssuedTokenForSslBindingElement (
IssuedSecurityTokenParameters issuedTokenParameters)
{
return CreateIssuedTokenForSslBindingElement (
issuedTokenParameters, false);
}
[MonoTODO]
public static SymmetricSecurityBindingElement
CreateIssuedTokenForSslBindingElement (
IssuedSecurityTokenParameters issuedTokenParameters,
bool requireCancellation)
{
SymmetricSecurityBindingElement be = new SymmetricSecurityBindingElement ();
be.RequireSignatureConfirmation = true;
be.ProtectionTokenParameters = CreateProtectionTokenParameters (false);
be.EndpointSupportingTokenParameters.Endorsing.Add (
issuedTokenParameters);
return be;
}
[MonoTODO]
public static TransportSecurityBindingElement
CreateIssuedTokenOverTransportBindingElement (
IssuedSecurityTokenParameters issuedTokenParameters)
{
throw new NotImplementedException ();
}
[MonoTODO]
public static SymmetricSecurityBindingElement CreateKerberosBindingElement ()
{
SymmetricSecurityBindingElement be = new SymmetricSecurityBindingElement ();
be.DefaultAlgorithmSuite = SecurityAlgorithmSuite.Basic128;
be.ProtectionTokenParameters = CreateProtectionTokenParameters (false);
be.ProtectionTokenParameters.InclusionMode =
SecurityTokenInclusionMode.Once;
return be;
}
[MonoTODO]
public static TransportSecurityBindingElement
CreateKerberosOverTransportBindingElement ()
{
throw new NotImplementedException ();
}
public static SecurityBindingElement
CreateMutualCertificateBindingElement ()
{
return CreateMutualCertificateBindingElement (MessageSecurityVersion.Default, false);
}
public static SecurityBindingElement
CreateMutualCertificateBindingElement (MessageSecurityVersion version)
{
return CreateMutualCertificateBindingElement (version, false);
}
[MonoTODO("Does not support allowSerializedSigningTokenOnReply.")]
public static SecurityBindingElement
CreateMutualCertificateBindingElement (
MessageSecurityVersion version,
bool allowSerializedSigningTokenOnReply)
{
if (version == null)
throw new ArgumentNullException ("version");
if (allowSerializedSigningTokenOnReply)
throw new NotSupportedException ("allowSerializedSigningTokenOnReply is not supported");
if (version.SecurityVersion == SecurityVersion.WSSecurity10) {
var recipient = new X509SecurityTokenParameters (
X509KeyIdentifierClauseType.Any,
SecurityTokenInclusionMode.Never);
recipient.RequireDerivedKeys = false;
var initiator = new X509SecurityTokenParameters (
X509KeyIdentifierClauseType.Any,
SecurityTokenInclusionMode.AlwaysToRecipient);
initiator.RequireDerivedKeys = false;
return new AsymmetricSecurityBindingElement (recipient, initiator) {
MessageSecurityVersion = version
};
} else {
X509SecurityTokenParameters p =
new X509SecurityTokenParameters (X509KeyIdentifierClauseType.Thumbprint);
p.RequireDerivedKeys = false;
var sym = new SymmetricSecurityBindingElement () {
MessageSecurityVersion = version,
RequireSignatureConfirmation = true
};
X509SecurityTokenParameters p2 = new X509SecurityTokenParameters (X509KeyIdentifierClauseType.Thumbprint);
p2.ReferenceStyle = SecurityTokenReferenceStyle.External;
sym.ProtectionTokenParameters = p2;
sym.EndpointSupportingTokenParameters.Endorsing.Add (p);
return sym;
}
}
[MonoTODO]
public static AsymmetricSecurityBindingElement
CreateMutualCertificateDuplexBindingElement ()
{
throw new NotImplementedException ();
}
[MonoTODO]
public static AsymmetricSecurityBindingElement
CreateMutualCertificateDuplexBindingElement (
MessageSecurityVersion version)
{
throw new NotImplementedException ();
}
public static SymmetricSecurityBindingElement
CreateSslNegotiationBindingElement (bool requireClientCertificate)
{
return CreateSslNegotiationBindingElement (
requireClientCertificate, false);
}
public static SymmetricSecurityBindingElement
CreateSslNegotiationBindingElement (
bool requireClientCertificate,
bool requireCancellation)
{
SymmetricSecurityBindingElement be = new SymmetricSecurityBindingElement ();
be.ProtectionTokenParameters = new SslSecurityTokenParameters (requireClientCertificate, requireCancellation);
return be;
}
public static SymmetricSecurityBindingElement
CreateSspiNegotiationBindingElement ()
{
return CreateSspiNegotiationBindingElement (true);
}
public static SymmetricSecurityBindingElement
CreateSspiNegotiationBindingElement (bool requireCancellation)
{
SymmetricSecurityBindingElement be = new SymmetricSecurityBindingElement ();
be.ProtectionTokenParameters = CreateProtectionTokenParameters (false);
return be;
}
public static TransportSecurityBindingElement
CreateSspiNegotiationOverTransportBindingElement ()
{
return CreateSspiNegotiationOverTransportBindingElement (false);
}
[MonoTODO]
public static TransportSecurityBindingElement
CreateSspiNegotiationOverTransportBindingElement (bool requireCancellation)
{
throw new NotImplementedException ();
}
static X509SecurityTokenParameters CreateProtectionTokenParameters (bool cert)
{
X509SecurityTokenParameters p =
new X509SecurityTokenParameters ();
p.X509ReferenceStyle = X509KeyIdentifierClauseType.Thumbprint;
if (cert)
p.InclusionMode = SecurityTokenInclusionMode.Never;
return p;
}
public static SymmetricSecurityBindingElement
CreateUserNameForCertificateBindingElement ()
{
SymmetricSecurityBindingElement be = new SymmetricSecurityBindingElement ();
be.ProtectionTokenParameters = CreateProtectionTokenParameters (true);
UserNameSecurityTokenParameters utp =
new UserNameSecurityTokenParameters ();
be.EndpointSupportingTokenParameters.SignedEncrypted.Add (utp);
return be;
}
public static SymmetricSecurityBindingElement
CreateUserNameForSslBindingElement ()
{
return CreateUserNameForSslBindingElement (false);
}
public static SymmetricSecurityBindingElement
CreateUserNameForSslBindingElement (bool requireCancellation)
{
SymmetricSecurityBindingElement be = new SymmetricSecurityBindingElement ();
be.ProtectionTokenParameters = CreateProtectionTokenParameters (false);
UserNameSecurityTokenParameters utp =
new UserNameSecurityTokenParameters ();
be.EndpointSupportingTokenParameters.SignedEncrypted.Add (utp);
return be;
}
#endif
public static SecurityBindingElement
CreateSecureConversationBindingElement (SecurityBindingElement bootstrapSecurity)
{
return CreateSecureConversationBindingElement (bootstrapSecurity, false);
}
public static SecurityBindingElement
CreateSecureConversationBindingElement (
SecurityBindingElement bootstrapSecurity, bool requireCancellation)
{
return CreateSecureConversationBindingElement (bootstrapSecurity, requireCancellation, null);
}
public static SecurityBindingElement
CreateSecureConversationBindingElement (
SecurityBindingElement bootstrapSecurity, bool requireCancellation,
ChannelProtectionRequirements bootstrapProtectionRequirements)
{
#if !NET_2_1 && !XAMMAC_4_5
SymmetricSecurityBindingElement be =
new SymmetricSecurityBindingElement ();
be.ProtectionTokenParameters =
new SecureConversationSecurityTokenParameters (
bootstrapSecurity, requireCancellation, bootstrapProtectionRequirements);
return be;
#else
throw new NotImplementedException ();
#endif
}
[MonoTODO]
public static TransportSecurityBindingElement
CreateUserNameOverTransportBindingElement ()
{
var be = new TransportSecurityBindingElement ();
#if !NET_2_1 && !XAMMAC_4_5 // FIXME: there should be whatever else to do for 2.1 instead.
be.EndpointSupportingTokenParameters.SignedEncrypted.Add (new UserNameSecurityTokenParameters ());
#endif
return be;
}
#endregion
#if !NET_2_1 && !XAMMAC_4_5
// It seems almost internal, hardcoded like this (I tried
// custom parameters that sets IssuedTokenSecurityTokenParameters
// like below ones, but that didn't trigger this method).
protected static void SetIssuerBindingContextIfRequired (
SecurityTokenParameters parameters,
BindingContext issuerBindingContext)
{
if (parameters is IssuedSecurityTokenParameters ||
parameters is SecureConversationSecurityTokenParameters ||
parameters is SslSecurityTokenParameters ||
parameters is SspiSecurityTokenParameters) {
parameters.IssuerBindingContext = issuerBindingContext;
}
}
#endif
}
}
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