/*

* 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.

*

*/

/*

* %version: 34 %

*/

// This is enumeration of EAPOL source code.

#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)

	#undef EAP_FILE_NUMBER_ENUM

	#define EAP_FILE_NUMBER_ENUM 60 

	#undef EAP_FILE_NUMBER_DATE 

	#define EAP_FILE_NUMBER_DATE 1127594498 

#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)

#include "eap_am_memory.h"

#include "eap_tools.h"

#include "eap_core_client_message_if.h"

#include "eap_state_notification.h"

#include "eap_network_id_selector.h"

#include "abs_eap_am_mutex.h"

#include "eap_config.h"

#include "eap_core.h"

#include "eap_buffer.h"

#include "eap_base_type.h"

#include "eap_automatic_variable.h"

#include "eap_process_tlv_message_data.h"

#include "eap_master_session_key.h"

#include "eapol_key_types.h"

#if defined(USE_EAP_SIMPLE_CONFIG)

#include "simple_config_types.h"

#include "simple_config_credential.h"

#include "simple_config_payloads.h"

#endif // #if defined(USE_EAP_SIMPLE_CONFIG)

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

// 

EAP_FUNC_EXPORT eap_core_client_message_if_c::~eap_core_client_message_if_c()

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_DEBUG(

		m_am_tools, 

		EAP_TRACE_FLAGS_MESSAGE_DATA, 

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

		this,

		dynamic_cast<abs_eap_base_timer_c *>(this)));

	EAP_ASSERT(m_shutdown_was_called == true);

	delete m_server_if;

	m_server_if = 0;

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

}

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

#if defined(_WIN32) && !defined(__GNUC__)

	#pragma warning( disable : 4355 ) // 'this' : used in base member initializer list

#endif

// 

EAP_FUNC_EXPORT eap_core_client_message_if_c::eap_core_client_message_if_c(

	abs_eap_am_tools_c * const tools,

	eap_am_message_if_c * const server,

	abs_eap_session_core_c * const partner,

	const bool is_client_when_true)

: m_am_tools(tools)

, m_server_if(server)

, m_partner(partner)

, m_error_code(eap_status_ok)

, m_error_function(eap_tlv_message_type_function_none)

, m_eap_header_offset(0ul)

, m_MTU(0ul)

, m_trailer_length(0ul)

, m_is_client(is_client_when_true)

, m_is_valid(false)

, m_shutdown_was_called(false)

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_DEBUG(

		m_am_tools, 

		EAP_TRACE_FLAGS_MESSAGE_DATA, 

		(EAPL("eap_core_client_message_if_c::eap_core_client_message_if_c(): this = 0x%08x => 0x%08x.\n"),

		this,

		dynamic_cast<abs_eap_base_timer_c *>(this)));

	set_is_valid();

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

}

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

EAP_FUNC_EXPORT eap_status_e eap_core_client_message_if_c::process_message(eap_process_tlv_message_data_c * const message)

{

	// Sends message data composed of Attribute-Value Pairs.

	EAP_TRACE_DEBUG(

		m_am_tools, 

		EAP_TRACE_FLAGS_MESSAGE_DATA, 

		(EAPL("eap_core_client_message_if_c::process_message(): this = 0x%08x => 0x%08x.\n"),

		this,

		dynamic_cast<abs_eap_base_timer_c *>(this)));

	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_client_message_if_c::send_message()");

	EAP_TRACE_DATA_DEBUG(

		m_am_tools,

		EAP_TRACE_FLAGS_NEVER,

		(EAPL("eap_core_client_message_if_c::send_message()"),

		message->get_message_data(),

		message->get_message_data_length()));

	{

		eap_status_e send_status = m_server_if->process_data(

			message->get_message_data(),

			message->get_message_data_length());

		if (send_status != eap_status_ok)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, send_status);

		}

		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

		return EAP_STATUS_RETURN(m_am_tools, send_status);

	}

}

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

//

EAP_FUNC_EXPORT void eap_core_client_message_if_c::set_is_valid()

{

	m_is_valid = true;

}

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

//

EAP_FUNC_EXPORT bool eap_core_client_message_if_c::get_is_valid()

{

	return m_is_valid;

}

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

EAP_FUNC_EXPORT eap_status_e eap_core_client_message_if_c::reset()

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_DEBUG(

		m_am_tools, 

		EAP_TRACE_FLAGS_MESSAGE_DATA, 

		(EAPL("eap_core_client_message_if_c::reset(): this = 0x%08x => 0x%08x.\n"),

		this,

		dynamic_cast<abs_eap_base_timer_c *>(this)));

	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_client_message_if_c::reset()");

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);

}

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

//

EAP_FUNC_EXPORT eap_status_e eap_core_client_message_if_c::packet_process(

	const eap_am_network_id_c * const receive_network_id,

	eap_general_header_base_c * const packet_data,

	const u32_t packet_length)

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_DEBUG(

		m_am_tools, 

		EAP_TRACE_FLAGS_MESSAGE_DATA, 

		(EAPL("eap_core_client_message_if_c::packet_process(): this = 0x%08x => 0x%08x.\n"),

		this,

		dynamic_cast<abs_eap_base_timer_c *>(this)));

	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_client_message_if_c::packet_process()");

	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);

	eap_status_e status(eap_status_process_general_error);

	// Creates message data composed of Attribute-Value Pairs.

	eap_process_tlv_message_data_c message(m_am_tools);

	if (message.get_is_valid() == false)

	{

		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

		return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);

	}

	status = message.add_parameter_data(eap_tlv_message_type_function_packet_process);

	if (status != eap_status_ok)

	{

		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

		return EAP_STATUS_RETURN(m_am_tools, status);

	}

	status = message.add_parameter_data(

		receive_network_id);

	if (status != eap_status_ok)

	{

		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

		return EAP_STATUS_RETURN(m_am_tools, status);

	}

	if (packet_length != packet_data->get_header_buffer_length())

	{

		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

		return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_parameter);

	}

	status = message.add_parameter_data(

		packet_data);

	if (status != eap_status_ok)

	{

		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

		return EAP_STATUS_RETURN(m_am_tools, status);

	}

	status = process_message(&message);

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return EAP_STATUS_RETURN(m_am_tools, status);

}

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

//

EAP_FUNC_EXPORT eap_status_e eap_core_client_message_if_c::configure()

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);

	m_eap_header_offset = m_partner->get_header_offset(

		&m_MTU, &m_trailer_length);

	eap_variable_data_c client_configuration(m_am_tools);

	eap_status_e status = m_partner->read_configure(

		cf_str_EAP_read_all_configurations.get_field(),

		&client_configuration);

	if (status != eap_status_ok)

	{

		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

		return EAP_STATUS_RETURN(m_am_tools, status);

	}

	status = m_server_if->configure(&client_configuration);

	if (status != eap_status_ok)

	{

		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

		return EAP_STATUS_RETURN(m_am_tools, status);

	}

	status = eap_mtu(m_MTU);

	if (status != eap_status_ok)

	{

		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

		return EAP_STATUS_RETURN(m_am_tools, status);

	}

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return EAP_STATUS_RETURN(m_am_tools, status);

}

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

//

EAP_FUNC_EXPORT eap_status_e eap_core_client_message_if_c::shutdown()

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);

	EAP_TRACE_DEBUG(

		m_am_tools, 

		EAP_TRACE_FLAGS_MESSAGE_DATA, 

		(EAPL("eap_core_client_message_if_c::shutdown(): this = 0x%08x => 0x%08x.\n"),

		this,

		dynamic_cast<abs_eap_base_timer_c *>(this)));

	if (m_shutdown_was_called == true)

	{

		// Shutdown function was called already.

		return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);

	}

	m_shutdown_was_called = true;

	if (m_server_if != 0)

	{

		(void)m_server_if->shutdown();

	}

	eap_status_e status = reset();

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return EAP_STATUS_RETURN(m_am_tools, status);

}

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

//

eap_status_e eap_core_client_message_if_c::eap_mtu(

	const u32_t MTU)

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_DEBUG(

		m_am_tools, 

		EAP_TRACE_FLAGS_MESSAGE_DATA, 

		(EAPL("eap_core_client_message_if_c::eap_mtu(): this = 0x%08x => 0x%08x.\n"),

		this,

		dynamic_cast<abs_eap_base_timer_c *>(this)));

	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_client_message_if_c::eap_mtu()");

	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);

	eap_status_e status(eap_status_process_general_error);

	{

		// Creates message data composed of Attribute-Value Pairs.

		eap_process_tlv_message_data_c message(m_am_tools);

		if (message.get_is_valid() == false)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);

		}

		status = message.add_parameter_data(eap_tlv_message_type_function_eap_mtu);

		if (status != eap_status_ok)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, status);

		}

		status = message.add_parameter_data(MTU);

		if (status != eap_status_ok)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, status);

		}

		status = process_message(&message);

		if (status != eap_status_ok)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, status);

		}

	}

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return EAP_STATUS_RETURN(m_am_tools, status);

}

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

//

EAP_FUNC_EXPORT eap_status_e eap_core_client_message_if_c::eap_acknowledge(

	const eap_am_network_id_c * const receive_network_id)

{

	// Any Network Protocol packet is accepted as a success indication.

	// This is described in RFC 2284 "PPP Extensible Authentication Protocol (EAP)".

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_TRACE_DEBUG(

		m_am_tools, 

		EAP_TRACE_FLAGS_MESSAGE_DATA, 

		(EAPL("eap_core_client_message_if_c::eap_acknowledge(): this = 0x%08x => 0x%08x.\n"),

		this,

		dynamic_cast<abs_eap_base_timer_c *>(this)));

	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_client_message_if_c::eap_acknowledge()");

	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);

	eap_status_e status(eap_status_process_general_error);

	if (receive_network_id == 0)

	{

		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

		return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_parameter);

	}

	{

		// Creates message data composed of Attribute-Value Pairs.

		eap_process_tlv_message_data_c message(m_am_tools);

		if (message.get_is_valid() == false)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);

		}

		status = message.add_parameter_data(eap_tlv_message_type_function_eap_acknowledge);

		if (status != eap_status_ok)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, status);

		}

		status = message.add_parameter_data(receive_network_id);

		if (status != eap_status_ok)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, status);

		}

		status = process_message(&message);

		if (status != eap_status_ok)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, status);

		}

	}

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return EAP_STATUS_RETURN(m_am_tools, status);

}

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

#if defined(USE_EAP_CORE_SERVER)

//

EAP_FUNC_EXPORT eap_status_e eap_core_client_message_if_c::send_eap_identity_request(

	const eap_am_network_id_c * const receive_network_id)

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);

	eap_status_e status(eap_status_process_general_error);

	EAP_TRACE_DEBUG(

		m_am_tools, 

		EAP_TRACE_FLAGS_MESSAGE_DATA, 

		(EAPL("eap_core_client_message_if_c::send_eap_identity_request(): this = 0x%08x => 0x%08x.\n"),

		this,

		dynamic_cast<abs_eap_base_timer_c *>(this)));

	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_client_message_if_c::send_eap_identity_request()");

	{

		// Creates message data composed of Attribute-Value Pairs.

		eap_process_tlv_message_data_c message(m_am_tools);

		if (message.get_is_valid() == false)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);

		}

		status = message.add_parameter_data(eap_tlv_message_type_function_send_eap_identity_request);

		if (status != eap_status_ok)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, status);

		}

		status = message.add_parameter_data(receive_network_id);

		if (status != eap_status_ok)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, status);

		}

		status = process_message(&message);

		if (status != eap_status_ok)

		{

			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

			return EAP_STATUS_RETURN(m_am_tools, status);

		}

	}

	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);

	return EAP_STATUS_RETURN(m_am_tools, status);

}

#endif //#if defined(USE_EAP_CORE_SERVER)

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

EAP_FUNC_EXPORT eap_status_e eap_core_client_message_if_c::set_eap_database_reference_values(

	const eap_variable_data_c * const reference)

{

	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);

	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);

	eap_status_e status(eap_status_process_general_error);

	EAP_TRACE_DEBUG(

		m_am_tools, 

		EAP_TRACE_FLAGS_MESSAGE_DATA, 

		(EAPL("eap_core_client_message_if_c::set_eap_database_reference_values(): this = 0x%08x => 0x%08x.\n"),

		this,

		dynamic_cast<abs_eap_base_timer_c *>(this)));