sl@0: // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: //system includes
sl@0: #include <e32std.h>
sl@0: #include <u32std.h>
sl@0: 
sl@0: //class signature
sl@0: #include "clientrequest.h"
sl@0: 
sl@0: #ifndef __ECOMSERVER_TESTING__
sl@0: 
sl@0: //
sl@0: // TClientRequest
sl@0: //
sl@0: TClientRequest::TClientRequest(const RMessage2& aMessage)
sl@0: : iMessage(aMessage), iSecurityInfo(aMessage)
sl@0: 	{
sl@0: 	}
sl@0: 	
sl@0: TBool TClientRequest::IsNull() const
sl@0: 	{
sl@0: 	return iMessage.IsNull();
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::Function() const
sl@0: 	{
sl@0: 	return iMessage.Function();
sl@0: 	}
sl@0: 
sl@0: void TClientRequest::Complete(TInt aReason) const
sl@0: 	{
sl@0: 	iMessage.Complete(aReason);
sl@0: 	}
sl@0: 
sl@0: void TClientRequest::Panic(const TDesC& aCategory, TInt aReason) const
sl@0: 	{
sl@0: 	iMessage.Panic(aCategory, aReason);
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::Int0() const
sl@0: 	{
sl@0: 	return iMessage.Int0();
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::Int1() const
sl@0: 	{
sl@0: 	return iMessage.Int1();
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::Int2() const
sl@0: 	{
sl@0: 	return iMessage.Int2();
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::Int3() const
sl@0: 	{
sl@0: 	return iMessage.Int3();
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::GetDesLength(TInt aParam) const
sl@0: 	{
sl@0: 	return iMessage.GetDesLength(aParam);
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::GetDesMaxLength(TInt aParam) const
sl@0: 	{
sl@0: 	return iMessage.GetDesMaxLength(aParam);
sl@0: 	}
sl@0: 
sl@0: void TClientRequest::ReadL(TInt aParam, TDes8& aDes, TInt aOffset) const
sl@0: 	{
sl@0: 	iMessage.ReadL(aParam, aDes, aOffset);
sl@0: 	}
sl@0: 
sl@0: void TClientRequest::ReadL(TInt aParam, TDes& aDes, TInt aOffset) const
sl@0: 	{
sl@0: 	iMessage.ReadL(aParam, aDes, aOffset);
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::Write(TInt aParam, const TDesC8& aDes, TInt aOffset) const
sl@0: 	{
sl@0: 	return iMessage.Write(aParam, aDes, aOffset);
sl@0: 	}
sl@0: 
sl@0: void TClientRequest::WriteL(TInt aParam, const TDesC8& aDes) const
sl@0: 	{
sl@0: 	iMessage.WriteL(aParam, aDes); 
sl@0: 	}
sl@0: 
sl@0: void TClientRequest::WriteL(TInt aParam, const TDesC& aDes, TInt aOffset) const
sl@0: 	{
sl@0: 	iMessage.WriteL(aParam, aDes, aOffset);
sl@0: 	}
sl@0: 	
sl@0: //
sl@0: // TCapabilitySet is the low level API used by all other capability APIs.
sl@0: // It relies on the caller to observe the PlatSecEnforcement settings.
sl@0: //
sl@0: TBool TClientRequest::HasCapabilities(const TCapabilitySet& aCapabilities) const
sl@0: 	{
sl@0: 	return aCapabilities.HasCapabilities(iSecurityInfo.iCaps);
sl@0: 	}
sl@0: 
sl@0: #ifndef __REMOVE_PLATSEC_DIAGNOSTICS__
sl@0: //
sl@0: // This method relies on PlatSec::CapabilityCheckFail
sl@0: // to observe the PlatSecDiagnostics flag.
sl@0: //
sl@0: void TClientRequest::EmitDiagnostic(const TCapabilitySet& aCapabilities, const CImplementationInformation& aImplInfo) const
sl@0: 	{
sl@0: 	TCapabilitySet capsMissing(iSecurityInfo.iCaps);
sl@0: 	capsMissing.Remove(aCapabilities);
sl@0: 	_LIT8(KErrorFormat, "ECOM: Client (%x) may not access plugin implementation (%x_v%d)");
sl@0: 	TBuf8<128> errorMsg;
sl@0: 	errorMsg.Format(KErrorFormat, iSecurityInfo.iSecureId.iId, aImplInfo.ImplementationUid(), aImplInfo.Version());
sl@0: 	errorMsg.ZeroTerminate();
sl@0: 	PlatSec::CapabilityCheckFail(
sl@0: 		iMessage,
sl@0: 		capsMissing,
sl@0: 		__PLATSEC_DIAGNOSTIC_STRING(reinterpret_cast<const char*>(errorMsg.Ptr())));
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: //
sl@0: // This method serves three purposes:
sl@0: // 1. Perform capability check.
sl@0: // 2. Emit diagnostic message (if capability check failed and __REMOVE_PLATSEC_DIAGNOSTICS__ is *not* defined.)
sl@0: // 3. Observe the PlatSecEnforcement flag and return if capability check has failed.
sl@0: //
sl@0: // If enforcement is not enabled then the caller should proceed as though the original capability check in fact passed.
sl@0: // If enforcement is enabled then the appropriate action for a failed capability check should happen.
sl@0: //
sl@0: // Two possible return values:
sl@0: // 1. ETrue  - if capability check passed OR PlatSecEnforcement is Off.
sl@0: // 2. EFalse - if capability check failed AND PlatSecEnforcement is On.
sl@0: //
sl@0: TBool TClientRequest::CheckCapability(const TCapabilitySet& aCapabilities, const CImplementationInformation&
sl@0: #ifndef __REMOVE_PLATSEC_DIAGNOSTICS__
sl@0: 	aImplInfo
sl@0: #endif
sl@0: 	) const
sl@0: 	{
sl@0: 	TBool hasCapabilities = HasCapabilities(aCapabilities);
sl@0: #ifndef __REMOVE_PLATSEC_DIAGNOSTICS__
sl@0: 	if (!hasCapabilities) 
sl@0: 		EmitDiagnostic(aCapabilities, aImplInfo);
sl@0: #endif
sl@0: 	return !hasCapabilities && PlatSec::ConfigSetting(PlatSec::EPlatSecEnforcement) ? EFalse : ETrue;
sl@0: 	}
sl@0: //
sl@0: //
sl@0: #else //IF _UNIT_TESTING_
sl@0: 
sl@0: TClientRequest::TClientRequest()
sl@0: : iFunction(KMinTInt), iCapability(0U), iCompletion(KRequestPending),
sl@0: iStatusActive(EFalse), iIdentity(KNullUid)
sl@0: 	{
sl@0: 	Mem::FillZ(&iParams, sizeof(TInt) * KMaxMessageArguments);
sl@0: 	}
sl@0: 
sl@0: TBool TClientRequest::IsNull() const
sl@0: 	{
sl@0: 	return iFunction == KMinTInt;
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::Function() const
sl@0: 	{
sl@0: 	return iFunction;
sl@0: 	}
sl@0: 
sl@0: TUid TClientRequest::Identity() const
sl@0: 	{
sl@0: 	return iIdentity;
sl@0: 	}
sl@0: 
sl@0: void TClientRequest::Complete(TInt aReason) const
sl@0: 	{
sl@0: 	iCompletion = aReason;
sl@0: 	if(iStatusActive)
sl@0: 		{
sl@0: 		TRequestStatus* stat = iStatus;
sl@0: 		User::RequestComplete(stat, aReason);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void TClientRequest::Panic(const TDesC& aCategory, TInt aReason) const
sl@0: 	{
sl@0: 	User::Panic(aCategory, aReason);
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::Int0() const
sl@0: 	{
sl@0: 	return iParams[0];
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::Int1() const
sl@0: 	{
sl@0: 	return iParams[1];
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::Int2() const
sl@0: 	{
sl@0: 	return iParams[2];
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::Int3() const
sl@0: 	{
sl@0: 	return iParams[3];
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::GetDesLength(TInt aParam) const
sl@0: 	{
sl@0: 	const TDesC8* desPtr = (const TDesC8*)iParams[aParam];
sl@0: 	return desPtr->Length();
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::GetDesMaxLength(TInt aParam) const
sl@0: 	{
sl@0: 	const TDes8* desPtr = (const TDes8*)iParams[aParam];
sl@0: 	return desPtr->MaxLength();
sl@0: 	}
sl@0: 
sl@0: void TClientRequest::ReadL(TInt aParam, TDes8& aDes, TInt aOffset) const
sl@0: 	{
sl@0: 	const TDesC8* desPtr = (const TDesC8*)iParams[aParam];
sl@0: 	aDes.Copy(desPtr->Mid(aOffset));
sl@0: 	}
sl@0: 
sl@0: void TClientRequest::ReadL(TInt aParam, TDes& aDes, TInt aOffset) const
sl@0: 	{
sl@0: 	const TDesC* desPtr = (const TDesC*)iParams[aParam];
sl@0: 	aDes.Copy(desPtr->Mid(aOffset));
sl@0: 	}
sl@0: 
sl@0: TInt TClientRequest::Write(TInt aParam, const TDesC8& aDes, TInt aOffset) const
sl@0: 	{
sl@0: 	TDes8* desPtr = (TDes8*)iParams[aParam];
sl@0: 	desPtr->Copy(aDes.Mid(aOffset));
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: void TClientRequest::WriteL(TInt aParam, const TDesC8& aDes) const
sl@0: 	{
sl@0: 	User::LeaveIfError(Write(aParam, aDes));
sl@0: 	}
sl@0: 
sl@0: void TClientRequest::WriteL(TInt aParam, const TDesC& aDes, TInt aOffset) const
sl@0: 	{
sl@0: 	TDes* desPtr = (TDes*)iParams[aParam];
sl@0: 	desPtr->Copy(aDes.Mid(aOffset));
sl@0: 	}
sl@0: 
sl@0: TBool TClientRequest::HasCapabilities(const TCapabilitySet& aCapabilities) const
sl@0: //dummy function here for testing purpose
sl@0: 	{
sl@0: 	TCapabilitySet dummycaps;
sl@0: 	dummycaps.SetEmpty();
sl@0: 	return aCapabilities.HasCapabilities(dummycaps);
sl@0: 	}
sl@0: 
sl@0: #ifndef __REMOVE_PLATSEC_DIAGNOSTICS__
sl@0: void TClientRequest::EmitDiagnostic(const TCapabilitySet& /*aCapabilities*/, const CImplementationInformation& /*aImplInfo*/) const
sl@0: // do nothing
sl@0: 	{
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: TBool TClientRequest::CheckCapability(const TCapabilitySet& aCapabilities, const CImplementationInformation& /*aImplInfo*/) const
sl@0: 	{
sl@0: 	return HasCapabilities(aCapabilities);
sl@0: 	}
sl@0: #endif //__ECOMSERVER_TESTING__