diff -r 000000000000 -r 307788aac0a8 realtimenetprots/sipfw/SIP/Registration/src/CSIPResponseUtility.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Registration/src/CSIPResponseUtility.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,235 @@
+// Copyright (c) 2007-2009 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          : CSIPResponseUtility.cpp
+// Part of       : Registration
+// Version       : SIP/6.0 
+//
+
+
+
+
+#include "CSIPResponseUtility.h"
+#include "sipresponse.h"
+#include "uricontainer.h"
+#include "sipuri.h"
+#include "siphostport.h"
+#include "sipaddress.h"
+#include "siptoheader.h"
+#include "sipcontactheader.h"
+#include "sipcallidheader.h"
+#include "sipcseqheader.h"
+#include "sipexpiresheader.h"
+#include "sipviaheader.h"
+#include "mregistrationcontext.h"
+#include "SipAssert.h"
+#include "siperr.h"
+#include "sipstrings.h"
+#include "sipstrconsts.h"
+
+
+// -----------------------------------------------------------------------------
+// CSIPResponseUtility::IsError
+// -----------------------------------------------------------------------------
+//
+TBool CSIPResponseUtility::IsError(CSIPResponse& aSIPResponse)
+	{
+	return (aSIPResponse.IsErrorResponse());
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPResponseUtility::ContactHeader
+// -----------------------------------------------------------------------------
+//
+CSIPContactHeader* CSIPResponseUtility::ContactHeader(
+	CSIPContactHeader& aContactInBinding,
+	CSIPResponse&      aResponse)
+	{
+	TSglQueIter<CSIPHeaderBase> contact = 
+	    aResponse.Headers(SIPStrings::StringF(SipStrConsts::EContactHeader));
+
+	if (aResponse.HeaderCount(
+	        SIPStrings::StringF(SipStrConsts::EContactHeader)) == 1)
+	    {
+	    return static_cast<CSIPContactHeader*>(contact++);
+	    }
+
+	for (CSIPHeaderBase* header = contact++; header; header = contact++)
+		{
+		CSIPContactHeader* contactHeader = 
+			static_cast<CSIPContactHeader*>(header);
+
+		if (contactHeader->SIPAddress() &&
+		    contactHeader->SIPAddress()->URI().IsSIPURI() &&
+		    aContactInBinding.SIPAddress()->URI().IsSIPURI())
+		    {
+		    if (contactHeader->SIPAddress()->URI().SIPURI()->User() ==
+		        aContactInBinding.SIPAddress()->URI().SIPURI()->User())
+		        {
+		        return contactHeader;
+		        }
+		    }
+		else
+		    {
+		    if (contactHeader->SIPAddress() && 
+				contactHeader->SIPAddress()->URI() ==
+				aContactInBinding.SIPAddress()->URI())
+			    {
+			    return contactHeader;
+			    }
+			}
+		}
+
+	return NULL;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPResponseUtility::CallIdL
+// -----------------------------------------------------------------------------
+//
+HBufC8* CSIPResponseUtility::CallIdL(CSIPResponse& aSIPResponse)
+	{
+	CSIPCallIDHeader* callId = aSIPResponse.CallID();
+	
+	// panic if there is no CallId header in response
+    __SIP_ASSERT_LEAVE (callId, KErrArgument);
+
+	return (callId->ToTextValueL());
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPResponseUtility::CSeqValueL
+// -----------------------------------------------------------------------------
+//
+TUint CSIPResponseUtility::CSeqValueL(CSIPResponse& aSIPResponse)
+	{	
+	CSIPCSeqHeader* cseq = aSIPResponse.CSeq();
+	
+	// panic if there is no CSeq header in response
+    __SIP_ASSERT_LEAVE (cseq, KErrArgument);
+
+	return cseq->Seq();
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPResponseUtility::ExpireValueL
+// -----------------------------------------------------------------------------
+//
+TUint CSIPResponseUtility::ExpireValueL(CSIPContactHeader& aBindingContact,
+										CSIPResponse&      aResponse)
+	{
+	const RStringF KExpiresHeaderName = 
+	    SIPStrings::StringF(SipStrConsts::EExpiresHeader);
+	TUint returnValue = 0;
+
+	// get Contact header from response
+	CSIPContactHeader* responseContact = 
+	    ContactHeader(aBindingContact, aResponse);
+	
+	if (responseContact)
+		{
+		if (responseContact->ExpiresParameter() < 0)
+			{
+            if (aResponse.HasHeader(KExpiresHeaderName))
+				{
+				// copy the expires value from expires header to
+				// expires parameter in contact, remove the expires header
+				CSIPExpiresHeader* expiresHeader = 
+					static_cast<CSIPExpiresHeader*>(
+                        aResponse.Header(KExpiresHeaderName,0));
+
+				responseContact->SetExpiresParameterL(
+					expiresHeader->Value());
+
+				if (aResponse.RemoveHeader(expiresHeader) == KErrNone)
+					{
+					delete expiresHeader; expiresHeader = 0;
+					}
+				}
+			else
+				{
+				// copy the expires parameter from binding
+				responseContact->SetExpiresParameterL(
+					aBindingContact.ExpiresParameter());
+				}
+			}
+        // if expires parameter is not zero and expires parameter in binding
+		// less than expires parameter in response, change expires parameter
+		// in response to lower value
+		if (aBindingContact.ExpiresParameter() != 0 && 
+			(aBindingContact.ExpiresParameter() < 
+			 responseContact->ExpiresParameter()))
+			{
+			responseContact->SetExpiresParameterL(
+				aBindingContact.ExpiresParameter());
+			}
+
+		returnValue = responseContact->ExpiresParameter();
+		}
+
+	return returnValue;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPResponseUtility::Check2XXResponse
+// -----------------------------------------------------------------------------
+//
+TInt CSIPResponseUtility::Check2XXResponse(MRegistrationContext& aRegistration,
+		                                   CSIPResponse& aResponse)
+	{
+	TInt err = KErrNone;
+	const RStringF KContactHeaderName = 
+	    SIPStrings::StringF(SipStrConsts::EContactHeader);
+    // error if there is no contact header in response
+	if (!aResponse.HasHeader(KContactHeaderName))
+		{
+		return KErrSIPInvalidRegistrarResponse;
+		}
+	// error if contact header sip address in response is different as contact 
+	// header sip address in response
+	if (!ContactHeader(aRegistration.Contact(),aResponse))
+		{
+		return KErrSIPInvalidRegistrarResponse;
+		}
+	// if there is no expires parameter or expires header in response, 
+	// copy te expires parameter from binding.
+	// error if the expires parameter is 0 in response.
+	TUint expireValue = 0;
+	TRAP(err, expireValue = ExpireValueL(aRegistration.Contact(),aResponse))
+	if (err)
+		{
+		return err;
+		}
+    if (expireValue == 0)
+        {
+        return KErrSIPInvalidRegistrarResponse;
+        }
+    // Invalid Service-Route must be indicated to SIP Profile Agent 
+    // as a transport failure. This will lead to a new registration. 
+    if (!aRegistration.ServiceRouteOk(aResponse))
+        {
+        return KErrSIPTransportFailure;
+        }
+
+	const CURIContainer& uriOfToInBinding  = 
+	    aRegistration.AOR().SIPAddress().URI();
+	
+	CURIContainer& uriOfToInResponse = 
+	    aResponse.To()->SIPAddress().URI();
+
+	if (!(uriOfToInBinding == uriOfToInResponse))
+	    {
+	    err = KErrSIPInvalidRegistrarResponse;
+	    }
+	return err;
+	}