/*

* 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 100 

	#undef EAP_FILE_NUMBER_DATE 

	#define EAP_FILE_NUMBER_DATE 1127594498 

#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)

#include "eap_am_tools.h"

#include "eap_type_mschapv2_state.h"

eap_type_mschapv2_state_c::eap_type_mschapv2_state_c(abs_eap_am_tools_c * const tools, const bool client)

: m_am_tools(tools)

, m_is_client(client)

, m_state(eap_type_mschapv2_state_none)

, m_prev_state(eap_type_mschapv2_state_none)

, m_next_state(eap_type_mschapv2_state_none)

, m_failure_message_received(false)

{

	if (m_is_client)

	{

		m_state = eap_type_mschapv2_state_none;

		m_prev_state = eap_type_mschapv2_state_none;

		m_next_state = eap_type_mschapv2_state_identity_request;

	}

	else

	{

		m_state = eap_type_mschapv2_state_none;

		m_prev_state = eap_type_mschapv2_state_none;

		m_next_state = eap_type_mschapv2_state_identity_response;

	}

}

void eap_type_mschapv2_state_c::set_state(const eap_type_mschapv2_state_variable_e new_state)

{

	set_state(new_state, eap_type_mschapv2_state_none);

}

void eap_type_mschapv2_state_c::set_state(

	const eap_type_mschapv2_state_variable_e new_state,

	const eap_type_mschapv2_state_variable_e new_next_state)

{

	EAP_TRACE_DEBUG(

		m_am_tools, 

		TRACE_FLAGS_DEFAULT, 

	m_prev_state = m_state;

	m_state = new_state;

	m_next_state = new_next_state;

}

bool eap_type_mschapv2_state_c::is_valid_state(const eap_type_mschapv2_state_variable_e new_state) const

{

	EAP_TRACE_DEBUG(

		m_am_tools, 

		TRACE_FLAGS_DEFAULT, 

	if (m_is_client) // Client

	{

		if (new_state == eap_type_mschapv2_state_identity_request)

		{

			return true;

		}

		// Check validity against (current) state.

		// If it fails then against previous state (in case of resending)

		switch (m_state)

		{

		case eap_type_mschapv2_state_none:

			if (new_state == eap_type_mschapv2_state_challenge_request)

			{

				return true;

			}

			break;

		case eap_type_mschapv2_state_identity_request:

			if (new_state == eap_type_mschapv2_state_challenge_request)

			{

				return true;

			}

			break;

		case eap_type_mschapv2_state_challenge_request:

			if (new_state == eap_type_mschapv2_state_success_request

				|| new_state == eap_type_mschapv2_state_failure_request

				|| new_state == eap_type_mschapv2_state_failure) // non-retryable error in Windows XP SP1

			{

				return true;

			}

			break;

		case eap_type_mschapv2_state_failure_request:

			if (new_state == eap_type_mschapv2_state_failure)

			{

				return true;

			}

			break;

		case eap_type_mschapv2_state_success_request:

			if (new_state == eap_type_mschapv2_state_success)

			{

				return true;

			}

			break;

		case eap_type_mschapv2_state_change_password_request:

			if (new_state == eap_type_mschapv2_state_success_request

				|| new_state == eap_type_mschapv2_state_failure_request

				|| new_state == eap_type_mschapv2_state_failure) // non-retryable error in Windows XP SP1

			{

				return true;

			}

			break;

		case eap_type_mschapv2_state_success:

		case eap_type_mschapv2_state_failure:

			// Session is ended

			EAP_TRACE_DEBUG(

				m_am_tools, 

				TRACE_FLAGS_DEFAULT, 

			return false;

		default:

			;

		}

	}

	else // Server

	{

		switch (m_state)

		{

		case eap_type_mschapv2_state_none:

			if (new_state == eap_type_mschapv2_state_identity_response)

			{

				return true;

			}

			break;

		case eap_type_mschapv2_state_identity_response:

			if (new_state == eap_type_mschapv2_state_challenge_response)

			{

				return true;

			}

			break;

		case eap_type_mschapv2_state_challenge_response:

			if (m_next_state == new_state)

			{

				return true;

			}

			break;

		case eap_type_mschapv2_state_change_password_response:

			if (m_next_state == new_state)

			{

				return true;

			}

			break;

		case eap_type_mschapv2_state_success_response:

		case eap_type_mschapv2_state_failure_response:

			// Session is ended

			EAP_TRACE_DEBUG(

				m_am_tools, 

				TRACE_FLAGS_DEFAULT, 

			return false;

		default:

			;

		}

	}

	return false;

}

void eap_type_mschapv2_state_c::set_failure_message_received()

{

	EAP_TRACE_DEBUG(

		m_am_tools, 

		TRACE_FLAGS_DEFAULT, 

	m_failure_message_received = true;

}

void eap_type_mschapv2_state_c::unset_failure_message_received()

{

	EAP_TRACE_DEBUG(

		m_am_tools, 

		TRACE_FLAGS_DEFAULT, 

	m_failure_message_received = false;

}

void eap_type_mschapv2_state_c::cancel_eap_failure_timer()

{

}