sl@0: /*
sl@0: * Copyright (c) 2004-2009 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 the License "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: 
sl@0: 
sl@0: #include "clientsession.h"
sl@0: #include <e32std.h>
sl@0: #include <e32uid.h>
sl@0: #include "clientutils.h"
sl@0: #include "fstokenservername.h"
sl@0: 
sl@0: #ifdef SYMBIAN_AUTH_SERVER
sl@0: 
sl@0: #ifdef __WINS__
sl@0: #include <u32hal.h>
sl@0: #endif //__WINS__
sl@0: 
sl@0: #include <e32svr.h>
sl@0: #endif // SYMBIAN_AUTH_SERVER
sl@0: 
sl@0: //	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	
sl@0: //	Tokentype session class for file based certificate store
sl@0: //	Connects and passes messages to the file store tokentype server
sl@0: //	Coded specifically for file store token type
sl@0: //	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	
sl@0: 
sl@0: _LIT(KFSTokenServerImg,"fstokenserver");
sl@0: #ifdef SYMBIAN_AUTH_SERVER
sl@0: #ifdef __WINS__
sl@0: _LIT(KFSNewTokenServerImg,"fstokenserver_useauth");
sl@0: #endif // __WINS__
sl@0: #endif // SYMBIAN_AUTH_SERVER
sl@0: 
sl@0: RFileStoreClientSession::RFileStoreClientSession()
sl@0: {}
sl@0: 
sl@0: TInt RFileStoreClientSession::SendRequest(TFSTokenMessages aRequest, const TIpcArgs& aArgs) const
sl@0: {
sl@0: 	return SendReceive(aRequest, aArgs);
sl@0: }
sl@0: 
sl@0: void RFileStoreClientSession::SendAsyncRequest(TFSTokenMessages aRequest, const TIpcArgs& aArgs, TRequestStatus* aStatus) const
sl@0: {
sl@0: 	__ASSERT_ALWAYS(aStatus, FSTokenPanic(EBadArgument));
sl@0: 
sl@0: 	if (aStatus)
sl@0: 	{
sl@0: 		*aStatus = KRequestPending;
sl@0: 		SendReceive(aRequest, aArgs, *aStatus);
sl@0: 	}
sl@0: }
sl@0: 
sl@0: 
sl@0: //	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	
sl@0: //	Client-server startup code
sl@0: //	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	//	\\	
sl@0: 
sl@0: static TInt StartServer();	//	Forward declaration
sl@0: //
sl@0: // Connect to the server, attempting to start it if necessary
sl@0: //
sl@0: 
sl@0: #ifdef SYMBIAN_AUTH_SERVER
sl@0: #ifdef __WINS__
sl@0: 
sl@0: static bool UseAuthServer(void);
sl@0: 
sl@0: #endif // SYMBIAN_AUTH_SERVER
sl@0: #endif // __WINS__
sl@0: 
sl@0: TInt RFileStoreClientSession::Connect(ETokenEnum aToken)
sl@0: 	{
sl@0: 	// The version is made up of three pieces of information:
sl@0: 	// 1. iMajor - The token we want to talk to
sl@0: 	// 2. iMinor - The protocol version number
sl@0: 	// 3. iBuild - unused
sl@0: 	TVersion version(aToken, KFSProtolVersion, 0);
sl@0: 	
sl@0: 	TInt retry=2;
sl@0: 	for (;;)
sl@0: 		{
sl@0: 		TInt err = KErrNone;
sl@0: #ifdef SYMBIAN_AUTH_SERVER
sl@0: #ifdef __WINS__
sl@0: 		if(UseAuthServer())
sl@0: 			{
sl@0: 			err = CreateSession(KFSNewTokenServerName, version, 1);
sl@0: 			}
sl@0: 		else
sl@0: #endif // __WINS__
sl@0: #endif // SYMBIAN_AUTH_SERVER
sl@0: 			{
sl@0: 			err = CreateSession(KFSTokenServerName, version, 1);
sl@0: 			}
sl@0: 		
sl@0: 		if (err!=KErrNotFound && err!=KErrServerTerminated)
sl@0: 			return err;
sl@0: 		if (--retry==0)
sl@0: 			return err;
sl@0: 		err=StartServer();
sl@0: 		if (err!=KErrNone && err!=KErrAlreadyExists)
sl@0: 			return err;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: #ifdef SYMBIAN_AUTH_SERVER
sl@0: #ifdef __WINS__
sl@0: 
sl@0: /*static*/ bool UseAuthServer(void)
sl@0: 	{
sl@0: 	bool useAuthServer = false;
sl@0: 	
sl@0: 	TUint32 useAuth = 0;
sl@0: 	// For the emulator allow the constant to be patched via epoc.ini
sl@0: 	UserSvr::HalFunction(EHalGroupEmulator, EEmulatorHalIntProperty,
sl@0: 	(TAny*)"KKeyStoreUseAuthServer", &useAuth); // read emulator property (if present)
sl@0: 	if(useAuth)
sl@0: 		{
sl@0: 		useAuthServer = true;
sl@0: 		}
sl@0: 	return useAuthServer; 
sl@0: 	}
sl@0: #endif // __WINS__
sl@0: #endif // SYMBIAN_AUTH_SERVER
sl@0: 
sl@0: TInt StartServer()
sl@0: 	{
sl@0: 	// Server startup is different for WINS in EKA1 mode ONLY (lack of process
sl@0: 	// emulation - we load the library in this instance
sl@0: 	const TUidType serverUid(KNullUid, KNullUid, KUidFSTokenServer);
sl@0: 
sl@0: 	RProcess server;
sl@0: 	TInt error = KErrNone;
sl@0: 	
sl@0: #ifdef SYMBIAN_AUTH_SERVER
sl@0: #ifdef __WINS__
sl@0: 	if(UseAuthServer())
sl@0: 		{
sl@0: 		error = server.Create(KFSNewTokenServerImg, KNullDesC, serverUid);
sl@0: 		}
sl@0: 	else
sl@0: #endif // __WINS__
sl@0: #endif // SYMBIAN_AUTH_SERVER
sl@0: 		{
sl@0: 		error = server.Create(KFSTokenServerImg, KNullDesC, serverUid);
sl@0: 		}
sl@0: 	
sl@0: 	if (error != KErrNone)
sl@0: 		{
sl@0: 		return error;
sl@0: 		}
sl@0: 
sl@0: 	// Synchronise with the process to make sure it hasn't died straight away
sl@0: 	TRequestStatus stat;
sl@0: 	server.Rendezvous(stat);
sl@0: 	if (stat != KRequestPending)
sl@0: 		{
sl@0: 		// logon failed - server is not yet running, so cannot have terminated
sl@0: 		server.Kill(0);				// Abort startup
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		// logon OK - start the server
sl@0: 		server.Resume();
sl@0: 		}
sl@0: 
sl@0: 	// Wait to synchronise with server - if it dies in the meantime, it
sl@0: 	// also gets completed
sl@0: 	User::WaitForRequest(stat);	
sl@0: 
sl@0: 	// We can't use the 'exit reason' if the server panicked as this
sl@0: 	// is the panic 'reason' and may be '0' which cannot be distinguished
sl@0: 	// from KErrNone
sl@0: 	error = (server.ExitType()==EExitPanic) ? KErrGeneral : stat.Int();
sl@0: 	server.Close();
sl@0: 	return (error);
sl@0: 	}
sl@0: