/*

* Copyright (c) 2001-2006 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:  EAP and WLAN authentication protocols.

*

*/

/*

*/

// This is enumeration of EAPOL source code.

#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)

	#undef EAP_FILE_NUMBER_ENUM

	#define EAP_FILE_NUMBER_ENUM 739 

	#undef EAP_FILE_NUMBER_DATE 

	#define EAP_FILE_NUMBER_DATE 1127594498 

#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)

// INCLUDE FILES

#include "EapGeneric.h"

#include "EapConversion.h"

#include "eap_base_type.h"

#include "eap_method_settings.h"

#include "eap_am_assert.h"

#include <EapTypeInfo.h>

#include "abs_eap_am_tools.h"

#include "eap_automatic_variable.h"

#include <utf.h>                           // for CnvUtfConverter

#include "abs_eap_plugin_message.h"

#include "eap_plugin_message_base.h"

#include "abs_eap_am_message_if.h"

#include "eap_am_message_if.h"

#include "eap_automatic_variable.h"

#include "eap_plugin_client_message_if.h"

#include "eap_am_message_if_symbian.h"

#include "EapTraceSymbian.h"

// LOCAL CONSTANTS

// The version number of this interface.

const TUint KInterfaceVersion = 1;

// ================= MEMBER FUNCTIONS =======================

CEapGeneric::CEapGeneric(

	const TIndexType aIndexType,	

	const TInt aIndex,

	const TEapExpandedType aEapType)

: m_am_tools(abs_eap_am_tools_c::new_abs_eap_am_tools_c())

, m_server(eap_plugin_message_base_c::new_eap_plugin_client_message_if_c(

		m_am_tools,

		this))

, iIndexType(aIndexType)

, iIndex(aIndex)

, iEapType(aEapType)

, iTunnelingType(eap_type_none)

, iTunnelingTypePresent(false)

, iWaitState(eap_generic_wait_state_none)

, iCompletionStatus(eap_status_process_general_error)

, ipEAPSettings(0)

{

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		(EAPL("CEapGeneric::CEapGeneric(): this=0x%08x, aIndexType=%d, aIndex=%d.\n"),

		this,

		aIndexType,

		aIndex));

	EAP_TRACE_RETURN_STRING(m_am_tools, "returns: CEapGeneric::CEapGeneric()");

}

// ----------------------------------------------------------

void CEapGeneric::ConstructL()

{

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		(EAPL("CEapGeneric::ConstructL(): this=0x%08x.\n"),

		this));

	EAP_TRACE_RETURN_STRING(m_am_tools, "returns: CEapGeneric::ConstructL()");

	if (m_am_tools == 0

		|| m_am_tools->get_is_valid() == false

		|| m_server == 0

		|| m_server->get_is_valid() == false)

	{

		abs_eap_am_tools_c::delete_abs_eap_am_tools_c(m_am_tools);

		delete m_server;

		User::Leave(KErrNoMemory);

	}

	eap_status_e status = m_server->configure();

	if (status != eap_status_ok)

	{

		abs_eap_am_tools_c::delete_abs_eap_am_tools_c(m_am_tools);

		delete m_server;

		User::Leave(KErrNoMemory);

	}

}

// ----------------------------------------------------------

CEapGeneric* CEapGeneric::NewL(SIapInfo *aIapInfo)

{

	CEapGeneric* self = new(ELeave) CEapGeneric(aIapInfo->indexType, aIapInfo->index, aIapInfo->aEapType);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop();

	return self;

}

// ----------------------------------------------------------

CEapGeneric::~CEapGeneric()

{

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		(EAPL("CEapGeneric::~CEapGeneric(): this=0x%08x.\n"),

		this));

	// Do not use m_am_tools, because it will be destroyed before return.

	EAP_TRACE_RETURN_STRING_SYMBIAN(_L("returns: CEapGeneric::~CEapGeneric()"));

	if (m_server != 0)

	{

		m_server->shutdown();

	}

	delete m_server;

	abs_eap_am_tools_c::delete_abs_eap_am_tools_c(m_am_tools);

}

// ----------------------------------------------------------

#ifdef USE_EAP_SIMPLE_CONFIG

eap_base_type_c* CEapGeneric::GetStackInterfaceL(abs_eap_am_tools_c* const aTools, 

											   abs_eap_base_type_c* const /* aPartner */,

											   const bool /* is_client_when_true */,

											   const eap_am_network_id_c * const /* receive_network_id */,

											   abs_eap_configuration_if_c * const /*configuration_if*/)

#else

eap_base_type_c* CEapGeneric::GetStackInterfaceL(abs_eap_am_tools_c* const aTools, 

											abs_eap_base_type_c* const /* aPartner */,

											const bool /* is_client_when_true */,

											const eap_am_network_id_c * const /* receive_network_id */)

#endif // #ifdef USE_EAP_SIMPLE_CONFIG

{

	EAP_UNREFERENCED_PARAMETER(aTools);

	// This class does not have stack interface.

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		(EAPL("ERROR: CEapGeneric::GetStackInterfaceL(): this=0x%08x\n"),

		this));

	EAP_ASSERT_ANYWAY_TOOLS(aTools);

	return 0;

}

//----------------------------------------------------------------

void CEapGeneric::Activate()

{

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		iAsyncronousStatus.Int()));

	EAP_TRACE_RETURN_STRING(m_am_tools, "returns: CEapGeneric::Activate()");

	iAsyncronousStatus = KRequestPending;

}

//----------------------------------------------------------------

void CEapGeneric::Complete()

{

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		iAsyncronousStatus.Int()));

	EAP_TRACE_RETURN_STRING(m_am_tools, "returns: CEapGeneric::Complete()");

	iAsyncronousStatus = KErrNone;

	// This is needed to continue the execution after Wait.Start(); 

	iWait.AsyncStop();

}

//----------------------------------------------------------------

void CEapGeneric::WaitCompletion()

{

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		iAsyncronousStatus.Int()));

	EAP_TRACE_RETURN_STRING(m_am_tools, "returns: CEapGeneric::WaitCompletion()");

	while (iAsyncronousStatus == KRequestPending)

	{

		EAP_TRACE_DEBUG(

			m_am_tools,

			TRACE_FLAGS_DEFAULT,

			(EAPL("CEapGeneric::WaitCompletion(): calls iWait.Start()\n")));

		iWait.Start();

		EAP_TRACE_DEBUG(

			m_am_tools,

			TRACE_FLAGS_DEFAULT,

			(EAPL("CEapGeneric::WaitCompletion(): iWait.Start() continue, iAsyncronousStatus=%u\n"),

			iAsyncronousStatus.Int()));

	}

}

// ----------------------------------------------------------

void CEapGeneric::SetCompletionStatusIfStillOk(const eap_status_e status)

{

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		iCompletionStatus,

		eap_status_string_c::get_status_string(iCompletionStatus),

		status,

		eap_status_string_c::get_status_string(status)));

	EAP_TRACE_RETURN_STRING(m_am_tools, "returns: CEapGeneric::SetCompletionStatusIfStillOk()");

	if (iCompletionStatus == eap_status_ok)

	{

		iCompletionStatus = status;

	}

}

// ----------------------------------------------------------

// ----------------------------------------------------------

CEapTypeInfo* CEapGeneric::GetInfoL()

{

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		(EAPL("CEapGeneric::GetInfoL(): this=0x%08x\n"),

		this));

	EAP_TRACE_RETURN_STRING(m_am_tools, "returns: CEapGeneric::GetInfoL()");

	eap_method_settings_c * const internal_settings = new eap_method_settings_c(m_am_tools);

	if (internal_settings == 0)

	{

		User::Leave(m_am_tools->convert_eapol_error_to_am_error(

			EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error)));

	}

	iCompletionStatus = eap_status_process_general_error;

	eap_status_e status = m_server->get_type_info(internal_settings);

	delete internal_settings;

	if (status != eap_status_ok)

	{

		User::Leave(m_am_tools->convert_eapol_error_to_am_error(

			EAP_STATUS_RETURN(m_am_tools, status)));

	}

	iWaitState = eap_generic_wait_state_complete_get_type_info;

    Activate();

    WaitCompletion();

	if (iCompletionStatus != eap_status_ok)

	{

		User::Leave(m_am_tools->convert_eapol_error_to_am_error(

			EAP_STATUS_RETURN(m_am_tools, iCompletionStatus)));

	}

	CEapTypeInfo* info = new(ELeave) CEapTypeInfo(

		iReleaseDate, 

		iEapTypeVersion,

		iManufacturer);

	return info;

}

// ----------------------------------------------------------

void CEapGeneric::DeleteConfigurationL()

{

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		(EAPL("CEapGeneric::DeleteConfigurationL(): this=0x%08x\n"),

		this));

	EAP_TRACE_RETURN_STRING(m_am_tools, "returns: CEapGeneric::DeleteConfigurationL()");

	eap_method_settings_c * const internal_settings = new eap_method_settings_c(m_am_tools);

	if (internal_settings == 0)

	{

		User::Leave(m_am_tools->convert_eapol_error_to_am_error(

			EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error)));

	}

	internal_settings->m_IndexType = iIndexType;

	internal_settings->m_Index = iIndex;

	TInt error =  CEapConversion::ConvertExpandedEAPTypeToInternalType(

		&iEapType,

		&(internal_settings->m_EAPType));

	if (error != KErrNone)

	{

		delete internal_settings;

		(void)EAP_STATUS_RETURN(m_am_tools, m_am_tools->convert_am_error_to_eapol_error(error));

		User::Leave(error);

	}

	iCompletionStatus = eap_status_process_general_error;

	eap_status_e status = m_server->delete_configuration(internal_settings);

	delete internal_settings;

	if (status != eap_status_ok)

	{

		User::Leave(m_am_tools->convert_eapol_error_to_am_error(

			EAP_STATUS_RETURN(m_am_tools, status)));

	}

	iWaitState = eap_generic_wait_state_complete_delete_configuration;

    Activate();

    WaitCompletion();

	if (iCompletionStatus != eap_status_ok)

	{

		User::Leave(m_am_tools->convert_eapol_error_to_am_error(

			EAP_STATUS_RETURN(m_am_tools, iCompletionStatus)));

	}

}

// ----------------------------------------------------------

TUint CEapGeneric::GetInterfaceVersion()

{

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		(EAPL("CEapGeneric::GetInterfaceVersion(): this=0x%08x\n"),

		this));

	EAP_TRACE_RETURN_STRING(m_am_tools, "returns: CEapGeneric::GetInterfaceVersion()");

	return KInterfaceVersion;

}

// ----------------------------------------------------------

void CEapGeneric::SetTunnelingType(const TEapExpandedType aTunnelingType)

{

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		(EAPL("CEapGeneric::SetTunnelingType(): this=0x%08x\n"),

		this));

	EAP_TRACE_RETURN_STRING(m_am_tools, "returns: CEapGeneric::SetTunnelingType()");

    EAP_TRACE_DATA_DEBUG_SYMBIAN(

        (EAPL("CEapGeneric::SetTunnelingType - tunneling type"),

        aTunnelingType.GetValue().Ptr(), aTunnelingType.GetValue().Length()));

    iTunnelingTypePresent = true;

	eap_type_value_e aInternalType;

	TInt error = CEapConversion::ConvertExpandedEAPTypeToInternalType(

	        &aTunnelingType,

	        &aInternalType);

	if (error != KErrNone)

	{

		(void)EAP_STATUS_RETURN(m_am_tools, m_am_tools->convert_am_error_to_eapol_error(error));

	}

	iTunnelingType = aInternalType;

}

// ----------------------------------------------------------

void CEapGeneric::SetIndexL(

		const TIndexType aIndexType, 

		const TInt aIndex )

{

	EAP_TRACE_DEBUG(

		m_am_tools,

		TRACE_FLAGS_DEFAULT,

		(EAPL("CEapGeneric::SetIndexL(): this=0x%08x\n"),

		this));

	EAP_TRACE_RETURN_STRING(m_am_tools, "returns: CEapGeneric::SetIndexL()");

	eap_method_settings_c * const internal_settings = new eap_method_settings_c(m_am_tools);

	if (internal_settings == 0)

	{

		User::Leave(m_am_tools->convert_eapol_error_to_am_error(

			EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error)));

	}

	internal_settings->m_IndexType = aIndexType;

	internal_settings->m_Index = aIndex;

	TInt error =  CEapConversion::ConvertExpandedEAPTypeToInternalType(

		&iEapType,

		&(internal_settings->m_EAPType));

	if (error != KErrNone)

	{

		delete internal_settings;

		(void)EAP_STATUS_RETURN(m_am_tools, m_am_tools->convert_am_error_to_eapol_error(error));

		User::Leave(error);

	}

	iCompletionStatus = eap_status_process_general_error;

	eap_status_e status = m_server->delete_configuration(internal_settings);

	if (status != eap_status_ok)

	{

		delete internal_settings;

		User::Leave(m_am_tools->convert_eapol_error_to_am_error(

			EAP_STATUS_RETURN(m_am_tools, status)));

	}

	iWaitState = eap_generic_wait_state_complete_delete_configuration;

	Activate();

	WaitCompletion();

	if (iCompletionStatus != eap_status_ok)

	{

		delete internal_settings;

		User::Leave(m_am_tools->convert_eapol_error_to_am_error(

			EAP_STATUS_RETURN(m_am_tools, iCompletionStatus)));

	}

	internal_settings->m_IndexType = iIndexType;

	internal_settings->m_Index = iIndex;

	error =  CEapConversion::ConvertExpandedEAPTypeToInternalType(

		&iEapType,

		&(internal_settings->m_EAPType));

	if (error != KErrNone)

	{

		delete internal_settings;

		(void)EAP_STATUS_RETURN(m_am_tools, m_am_tools->convert_am_error_to_eapol_error(error));

		User::Leave(error);

	}

	internal_settings->m_TunnelingTypePresent = iTunnelingTypePresent;

	internal_settings->m_TunnelingType = iTunnelingType;

	internal_settings->m_DestinationIndexAndTypePresent = true;

	internal_settings->m_DestinationIndexType = aIndexType;

	internal_settings->m_DestinationIndex = aIndex;

	iCompletionStatus = eap_status_process_general_error;

	status = m_server->set_index(internal_settings);

	delete internal_settings;

	if (status != eap_status_ok)

	{

		User::Leave(m_am_tools->convert_eapol_error_to_am_error(

			EAP_STATUS_RETURN(m_am_tools, status)));

	}

	iWaitState = eap_generic_wait_state_complete_set_index;