--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/SIPSec/DigestPlugin/src/CSIPSecChallenge.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,237 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Name          : CSIPSecChallenge.cpp
+// Part of       : SIPDigestPlugin
+// Version       : SIP/6.0
+//
+
+
+
+#include "CSIPSecChallenge.h"
+#include "sipproxyauthenticateheader.h"
+#include "sipwwwauthenticateheader.h"
+#include "sipstrings.h"
+#include "sipstrconsts.h"
+#include "sipresponse.h"
+#include "SipAssert.h"
+#include "MSIPSecUser.h"
+#include "sipsecdigestcontext.h"
+#include "sipsecdigestcache.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::CSIPSecChallenge
+// -----------------------------------------------------------------------------
+//
+CSIPSecChallenge::CSIPSecChallenge( CSIPSecDigest::TChallengeType aType,
+									CSIPSecRequestData::TQop aQop ) :
+    iType( aType ),
+    iQop( aQop ),
+    iOwner( NULL )
+    {
+    __SIP_ASSERT_RETURN( iQop != CSIPSecRequestData::EUnknown, KErrArgument );
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::~CSIPSecChallenge
+// -----------------------------------------------------------------------------
+//
+CSIPSecChallenge::~CSIPSecChallenge()
+    {
+    delete iAuthenticateHeader;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::Type
+// -----------------------------------------------------------------------------
+//
+CSIPSecDigest::TChallengeType CSIPSecChallenge::Type() const
+    {
+    return iType;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::Realm
+// -----------------------------------------------------------------------------
+//
+const TDesC8& CSIPSecChallenge::Realm() const
+    {
+	return TSIPSecDigestContext::GetDesParam( Content(), SipStrConsts::ERealm );
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::Content
+// -----------------------------------------------------------------------------
+//
+CSIPAuthenticateHeaderBase& CSIPSecChallenge::Content()
+    {
+    return *iAuthenticateHeader;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::Content
+// -----------------------------------------------------------------------------
+//
+const CSIPAuthenticateHeaderBase& CSIPSecChallenge::Content() const
+    {
+    return *iAuthenticateHeader;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::Qop
+// -----------------------------------------------------------------------------
+//
+CSIPSecRequestData::TQop CSIPSecChallenge::Qop() const
+	{
+	return iQop;	
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::QopDescriptor
+// -----------------------------------------------------------------------------
+//
+const TDesC8& CSIPSecChallenge::QopDescriptor() const
+	{
+	switch ( iQop )
+		{
+    case CSIPSecRequestData::EAuth:
+    	return KSIPSecAuth;
+    
+    case CSIPSecRequestData::EAuthInt:
+    	return KSIPSecAuthInt;
+
+    // Can't be CSIPSecRequestData::EUnknown, it is checked in constructor    	
+    case CSIPSecRequestData::EDoesNotExist:
+    default:
+    	return KNullDesC8;
+		}
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::HasQop
+// -----------------------------------------------------------------------------
+//
+TBool CSIPSecChallenge::HasQop() const
+	{
+	return iQop != CSIPSecRequestData::EDoesNotExist;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::Owner
+// -----------------------------------------------------------------------------
+//
+const MSIPSecUser* CSIPSecChallenge::Owner() const
+    {
+    return iOwner;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::SetOwner
+// -----------------------------------------------------------------------------
+//
+void CSIPSecChallenge::SetOwner( const MSIPSecUser* aOwner )
+    {
+    iOwner = aOwner;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::ConstructL
+// -----------------------------------------------------------------------------
+//
+void
+CSIPSecChallenge::ConstructL( CSIPAuthenticateHeaderBase& aAuthenticateHeader )
+    {
+    __ASSERT_DEBUG( aAuthenticateHeader.HasParam(
+    	SIPStrings::StringF( SipStrConsts::ERealm ) ) &&
+       	aAuthenticateHeader.HasParam(
+       		SIPStrings::StringF( SipStrConsts::ENonce ) ),
+    	User::Leave( KErrArgument ) );
+	__ASSERT_ALWAYS( iType == CSIPSecDigest::EProxy ||
+    				 iType == CSIPSecDigest::EEndPoint,
+    				 User::Leave( KErrArgument ) );
+
+    iAuthenticateHeader = dynamic_cast<CSIPAuthenticateHeaderBase*>
+    	( aAuthenticateHeader.CloneL() );
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::PopulateCredentialsL
+// Copy parameters from challenge to CSIPSecCredentials' authorization header.
+// This function is used when handling a SIP response, so transaction id always
+// exists.
+// -----------------------------------------------------------------------------
+//
+void
+CSIPSecChallenge::PopulateCredentialsL( TSIPSecDigestCtxSetup& aContext ) const
+    {
+    __ASSERT_DEBUG( aContext.TransactionId() != KEmptyTransactionId,
+    				User::Panic( _L( "SIPSecChall:PopCreds" ), KErrArgument ) );
+
+	FillCredentialParamL( aContext, SipStrConsts::ERealm );
+	FillCredentialParamL( aContext, SipStrConsts::ENonce );
+	FillCredentialParamL( aContext, SipStrConsts::EOpaque );
+	aContext.SetParamValueL( SipStrConsts::EAlgorithm,
+		Content().ParamValue(
+			SIPStrings::StringF( SipStrConsts::EAlgorithm ) ).DesC() );
+
+
+	TSIPSecPluginCtxResponse& parent =
+    	static_cast< TSIPSecPluginCtxResponse& >( aContext.Parent() );
+
+    const TDesC8& realm = Realm();
+    __ASSERT_ALWAYS( realm.Length() > 0, User::Leave( KErrGeneral ) );
+    MSIPSecUser& user = parent.SIPSecUser();
+
+	CSIPSecUserRecord* record = parent.Cache().SearchRecordForResponse(
+		realm, user, parent.RegistrationId() );
+    if ( record )
+        {
+        // Found from cache, use it
+	// This user will be attached to the record.
+		VerifyTypeL( record->Type() );
+		if  ( (aContext.GetParam(SipStrConsts::EAlgorithm) == 
+        SIPStrings::StringF( SipStrConsts::EAKAv1MD5 ).DesC()) &&
+        record->Type() == CSIPSecUserRecord::EIMS)
+			{
+			record->Invalidate( CSIPSecUserRecord::ENoState );
+			record->ClearUsernameAndPassword();	
+			}
+        }
+    else
+        {
+        // Not found from the cache, create a new one.
+        record = CreateUserRecordL( realm,
+        							user,
+        							parent.RegistrationId(),
+        							aContext.TransactionId(),
+									parent.SIPResponse().ResponseCode() );
+        parent.Cache().AddUserCredentials( record );
+        }
+
+    aContext.SetUserData( *record );
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPSecChallenge::FillCredentialParamL
+// -----------------------------------------------------------------------------
+//
+void CSIPSecChallenge::FillCredentialParamL( TSIPSecDigestCtxSetup& aContext,
+											 TInt aParam ) const
+    {
+    aContext.SetDesParamValueL( aParam,
+		Content().DesParamValue( SIPStrings::StringF( aParam ) ) );
+    }