--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swi/source/securitymanager/certchainconstraints.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,302 @@
+/*
+* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: 
+* Developer mode certificate constraints implementation.
+*
+*/
+
+
+/**
+ @file 
+ @released
+ @internalTechnology
+*/
+
+#include "certchainconstraints.h"
+#include "x509constraintext.h"
+#include <x509certext.h>
+//#include "log.h"
+
+using namespace Swi;
+
+//
+//  CCertChainConstraints methods.
+//
+
+EXPORT_C CCertChainConstraints* CCertChainConstraints::NewL(RPointerArray<CPKIXCertChainBase>& aValidCerts)
+	{
+	CCertChainConstraints* self = CCertChainConstraints::NewLC(aValidCerts);
+	CleanupStack::Pop(self);
+	return self;	
+	}
+	
+EXPORT_C CCertChainConstraints* CCertChainConstraints::NewLC(RPointerArray<CPKIXCertChainBase>& aValidCerts)
+	{
+	CCertChainConstraints* self = new(ELeave) CCertChainConstraints();
+	CleanupStack::PushL(self);
+	self->ConstructL(aValidCerts);
+	return self;	
+	}
+
+EXPORT_C CCertChainConstraints* CCertChainConstraints::NewL()
+	{
+	CCertChainConstraints* self = new(ELeave) CCertChainConstraints();
+	return self;	
+	}
+	
+CCertChainConstraints::~CCertChainConstraints()
+	{
+	//Release the resources
+	iValidSIDs.Close();
+	iValidVIDs.Close();
+	iValidDeviceIDs.ResetAndDestroy();
+	}
+	
+EXPORT_C TBool CCertChainConstraints::SIDIsValid(TSecureId aRequestSID) const
+	{
+	TBool ret=ETrue;
+	if (iSIDsAreConstrained && (aRequestSID.iId & 0x80000000)==0 && KErrNotFound==iValidSIDs.Find(aRequestSID))
+		{
+		ret=EFalse;			
+		}
+	return ret;
+	}
+	
+EXPORT_C TBool CCertChainConstraints::VIDIsValid(TVendorId aRequestVID) const
+	{
+	TBool ret=ETrue;
+	if (iVIDsAreConstrained && aRequestVID!=0 && KErrNotFound==iValidVIDs.Find(aRequestVID))
+		{
+		ret=EFalse;		
+		}
+	return ret;	
+	}
+
+EXPORT_C TBool CCertChainConstraints::CapabilitiesAreValid(TCapabilitySet& aRequestCapabilities) const
+	{
+	return iValidCapabilities.HasCapabilities(aRequestCapabilities);
+	}
+	
+EXPORT_C TBool CCertChainConstraints::DeviceIDIsValid(const HBufC* aRequestDeviceID) const
+	{
+	TBool ret=EFalse;
+	if (iDeviceIDsAreConstrained)
+		{
+		TInt deviceIDCount=iValidDeviceIDs.Count();
+		//Check if request Device ID is in the valid device ID list
+		for(TInt i=0; i<deviceIDCount; i++)
+			{
+			if (iValidDeviceIDs[i]->CompareF(*aRequestDeviceID)==0)
+				{
+				ret=ETrue;
+				break;
+				}
+			}		
+		}
+	else
+		{
+		//No constaints on Device ID at all
+		ret=ETrue;				
+		}
+	return ret;		
+	}
+
+EXPORT_C TBool CCertChainConstraints::SIDsAreConstrained() const
+	{
+	return iSIDsAreConstrained;
+	}
+	
+EXPORT_C TBool CCertChainConstraints::VIDsAreConstrained() const
+	{
+	return iVIDsAreConstrained; 
+	}
+	
+EXPORT_C TBool CCertChainConstraints::DeviceIDsAreConstrained() const
+	{
+	return iDeviceIDsAreConstrained; 
+	}
+	
+EXPORT_C TBool CCertChainConstraints::CapabilitiesAreConstrained() const
+	{
+	return iCapabilitiesAreConstrained;		
+	}
+	
+EXPORT_C const TCapabilitySet& CCertChainConstraints::ValidCapabilities() const
+	{
+	return iValidCapabilities;
+	}
+
+EXPORT_C void CCertChainConstraints::SetValidCapabilities(const TCapabilitySet& aValidCapabilities)
+	{
+	iValidCapabilities=aValidCapabilities;
+	}
+	
+CCertChainConstraints::CCertChainConstraints()
+	{
+	//Pre-initialise the valid Capability to all capability supported	
+	iValidCapabilities.SetAllSupported();
+	}
+
+void CCertChainConstraints::ConstructL(RPointerArray<CPKIXCertChainBase>& aValidCerts)
+	{
+	//Get the Cert Chain count
+	TInt certChainCount=aValidCerts.Count();
+	
+	//Go through the certificate chains
+	for(TInt i=0; i<certChainCount; i++)
+		{
+		TInt certCount=aValidCerts[i]->Count();
+		//Go through the certificate in one certificate chain
+		for (TInt j=0; j<certCount; j++)
+			{
+			const CX509Certificate& validCert=aValidCerts[i]->Cert(j);
+			
+			//Retrieve the DeviceIDs and build the list
+			RetrieveExtensionDeviceIDListL(validCert);
+			
+			//Retrieve the Capabilities and build capability constraints
+			RetrieveExtensionCapabilitySetL(validCert);
+			
+			//Retrieve the SIDs and build the list
+			RetrieveExtensionSIDListL(validCert);
+			
+			//Retrieve the VIDs and build the list
+			RetrieveExtensionVIDListL(validCert);
+			}
+		}
+	}
+
+void CCertChainConstraints::RetrieveExtensionCapabilitySetL(const CX509Certificate& aCert)
+	{
+	const CX509CertExtension* certExt = aCert.Extension(KCapabilitiesConstraint);
+	if (certExt)
+		{
+        CX509CapabilitySetExt* capSetExt=CX509CapabilitySetExt::NewL(certExt->Data());
+		iValidCapabilities.Intersection(capSetExt->CapabilitySet());
+		delete capSetExt;
+		iCapabilitiesAreConstrained=ETrue;
+		}
+	}
+
+TBool CompareInstance(const HBufC& aFirst, const HBufC& aSecond)
+	{
+	return (aFirst.CompareF(aSecond) == 0);
+	}
+
+void CCertChainConstraints::RetrieveExtensionDeviceIDListL(const CX509Certificate& aCert)
+	{
+	if (!iDeviceIDsAreConstrained || (iDeviceIDsAreConstrained && iValidDeviceIDs.Count()>0))
+		{
+		const CX509CertExtension* certExt = aCert.Extension(KDeviceIdListConstraint);
+		if (certExt)
+			{
+			CX509Utf8StringListExt* deviceIdExt=CX509Utf8StringListExt::NewLC(certExt->Data());
+			const RPointerArray<HBufC>& buf=deviceIdExt->StringArray();
+			// iValidDeviceIDs intersect the constrained Device ID set in the certificate
+			if (!iDeviceIDsAreConstrained)
+				{
+				TInt count=buf.Count();
+				for (TInt i=0;i<count;i++)
+					{
+					HBufC* temp=buf[i]->AllocLC();
+					iValidDeviceIDs.AppendL(temp);
+					CleanupStack::Pop(temp);
+					}
+				iDeviceIDsAreConstrained=ETrue;					
+				}
+			else
+				{
+				for (TInt k=iValidDeviceIDs.Count()-1;k>=0;k--)
+					{
+					if(KErrNotFound==buf.Find(iValidDeviceIDs[k],TIdentityRelation<HBufC>(CompareInstance)))
+						{
+						HBufC* temp=iValidDeviceIDs[k];
+						iValidDeviceIDs.Remove(k);
+						delete temp;
+						}					
+					}
+				}
+			CleanupStack::PopAndDestroy(deviceIdExt);
+			}
+		}	
+	}
+
+void CCertChainConstraints::RetrieveExtensionSIDListL(const CX509Certificate& aCert)
+	{
+	if (!iSIDsAreConstrained || (iSIDsAreConstrained &&  iValidSIDs.Count()>0))
+		{
+		const CX509CertExtension* certExt=aCert.Extension(KSidListConstraint);
+		if (certExt)
+			{
+			CX509IntListExt* intExt=CX509IntListExt::NewLC(certExt->Data());
+			const RArray<TInt>& sidList=intExt->IntArray();
+			// iValidSIDs intersect the constrained sid set in the certificate
+			if (!iSIDsAreConstrained)
+				{
+				TInt count=sidList.Count();
+				for (TInt i=0;i<count;i++)
+					{
+					iValidSIDs.AppendL(TSecureId(sidList[i]));
+					}
+				iSIDsAreConstrained=ETrue;						
+				}
+			else
+				{
+				for (TInt k=iValidSIDs.Count()-1;k>=0;k--)
+					{
+					if (sidList.Find(iValidSIDs[k].iId)==KErrNotFound)
+						{
+						iValidSIDs.Remove(k);
+						}						
+					}										
+				}
+			CleanupStack::PopAndDestroy(intExt);
+			}				
+		}
+	}
+
+void CCertChainConstraints::RetrieveExtensionVIDListL(const CX509Certificate& aCert)
+	{
+	if (!iVIDsAreConstrained || (iVIDsAreConstrained &&  iValidVIDs.Count()>0))
+		{
+		const CX509CertExtension* certExt=aCert.Extension(KVidListConstraint);
+		if (certExt)
+			{
+			CX509IntListExt* intExt=CX509IntListExt::NewLC(certExt->Data());
+			const RArray<TInt>& vidList=intExt->IntArray();
+			// iValidVIDs intersect the constrained vid set in the certificate
+			if (!iVIDsAreConstrained)
+				{
+				TInt count=vidList.Count();
+				for (TInt i=0;i<count;i++)
+					{
+					iValidVIDs.AppendL(TVendorId(vidList[i]));
+					}
+				iVIDsAreConstrained=ETrue;
+				}
+			else
+				{
+				for (TInt k=iValidVIDs.Count()-1;k>=0;k--)
+					{
+					if (vidList.Find(iValidVIDs[k].iId)==KErrNotFound)
+						{
+						iValidVIDs.Remove(k);
+						}						
+					}					
+				}
+			CleanupStack::PopAndDestroy(intExt);
+			}			
+		}
+	}
+