/*

* Copyright (c) 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: 

*

*/

#include "TrkTcbSrvServer.h"

// System includes

#include <e32base.h>

#include <e32debug.h>

// User includes

#include "TrkTcbSrvSession.h"

//#include "TrkTcbSrvStaticUtils.h"

// Type definitions

// Constants

#define TRK_SID 0x200170BB

// Enumerations

// Classes referenced

#ifdef EKA2

//Only include these in the secured platform 

#include "TrkTcbCmdCodes.h"

const TUint KRangeCount = 2; 

const TInt KOpCodeRanges[KRangeCount] = 

{	

	KCapabilityCustomCheck, 

	ETrkTcbCmdCodeLast,

};

const TUint8 KElementsIndex[KRangeCount] =

{

	CPolicyServer::ECustomCheck, 	//Custom check for the Trk SID 	 0 - ETrkTcbCmdCodeLast

	CPolicyServer::ENotSupported, 	//Not Supported					 		 ETrkTcbCmdCodeLast-End

};

const CPolicyServer::TPolicy KTrkTcbServerPolicy =

{

	CPolicyServer::EAlwaysPass, //specifies all connect attempts should pass

	KRangeCount,

	KOpCodeRanges,

	KElementsIndex, 	// what each range is compared to 

	NULL, //KPolicyElements 	// what policies range is compared to

};

#endif

//

// CTrkTcbSrvServer (source)

//

//

// CTrkTcbSrvServer::CTrkTcbSrvServer()

//

// Constructor

//

CTrkTcbSrvServer::CTrkTcbSrvServer()

#ifdef  EKA2

 	:CPolicyServer(CActive::EPriorityHigh, KTrkTcbServerPolicy)

#else	

   	:CServer2(CActive::EPriorityHigh) 

#endif

{

}

//

// CTrkTcbSrvServer::~CTrkTcbSrvServer()

//

// Destructor

//

CTrkTcbSrvServer::~CTrkTcbSrvServer()

{

	// In order to prevent access violations as the server

	// shuts down, we inform all sessions that the server is

	// about to be destroyed

	iSessionIter.SetToFirst();

	//

	CTrkTcbSrvSession* session = static_cast<CTrkTcbSrvSession*>(iSessionIter++);

	while (session)

	{

		session->HandleServerDestruction();

		session = static_cast<CTrkTcbSrvSession*>(iSessionIter++);

	}

}

//

// CTrkTcbSrvServer::ConstructL()

//

// Second level construction

//

void CTrkTcbSrvServer::ConstructL()

{

	// Calling StartL here won't actually allow any connections

	// to be created until the active scheduler has a chance to run. However, the 

	// call below will leave should there already be a started TrkTcb server instance.

	//

	StartL(KTrkTcbServerName);

}

//

// CTrkTcbSrvServer::NewLC()

//

// Creates an instance of CTrkTcbSrvServer.

//

CTrkTcbSrvServer* CTrkTcbSrvServer::NewLC()

{

	CTrkTcbSrvServer* self = new(ELeave) CTrkTcbSrvServer();

	CleanupStack::PushL(self);

	self->ConstructL();

	return self;

}

//

// CTrkTcbSrvServer::NewSessionL()

//

// Creates a new session.

// Called by the IPC framework everytime a client creates a new session.

// Returns a CTrkTcbSrvSession object.

//

CSession2* CTrkTcbSrvServer::NewSessionL(const TVersion& aVersion,const RMessage2& /*aMessage*/) const

{	

	// Check client version is correct

	const TVersion trkTcbServerVersion(KTrkTcbServerMajorVN, KTrkTcbServerMinorVN, KTrkTcbServerBuildVN);

	if	(!User::QueryVersionSupported(trkTcbServerVersion, aVersion))

		User::Leave(KErrNotSupported);

	// Create new session

	CTrkTcbSrvSession* session = CTrkTcbSrvSession::NewL();

	return session;

}

//

// CTrkTcbSrvServer::RunError()

//

// Handles all the errors when handling a client request.

// Called by the IPC framework whenever a leave occurs when handling a client request.

// Returns KErrNone to complete the error handling.

//

TInt CTrkTcbSrvServer::RunError(TInt aError)

{

	// A bad descriptor error implies a badly programmed client, so panic it;

	// otherwise report the error to the client

	if	(aError == KErrBadDescriptor)

	{

		Message().Panic(KServerIntiatedSessionPanic, ETrkTcbServerInitiatedClientPanicBadDescriptor);

	}

	else

	{

		Message().Complete(aError);

	}

	// The leave will result in an early return from CServer2::RunL(), skipping

	// the call to request another message. So do that now in order to keep the

	// server running.

	ReStart();

	// Indicate that we've handled the error fully

	return KErrNone;

}

#ifdef EKA2	

//

// CTrkTcbSrvServer::CustomSecurityCheckL()

//

// The only security check that is done is to check for the cleint securid 

// Returns EFail or EPass

//

CPolicyServer::TCustomResult CTrkTcbSrvServer::CustomSecurityCheckL(const RMessage2& aMsg, TInt& /*aAction*/, TSecurityInfo& /*aMissing*/)

{

	CPolicyServer::TCustomResult returnValue = CPolicyServer::EFail;	

	TSecureId ClientSID = aMsg.SecureId();

	// We only permit Trk to use this server. So we check

	// for Trk's SIDs. If its not Trk's SIDs, then the security check fails.

	if ((KTrkSrvUid == ClientSID) || (KTrkAppUid == ClientSID) || (KTrkExeUid == ClientSID))

	{

		returnValue = CPolicyServer::EPass;

	}			

	return(returnValue);

}

#endif