eapol/eapol_framework/eapol_common/core/eap_core_server_message_if.cpp
changeset 33 938269283a16
child 34 ad1f037f1ac2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_common/core/eap_core_server_message_if.cpp	Fri Jun 11 13:40:22 2010 +0300
@@ -0,0 +1,2056 @@
+/*
+* 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: 29 %
+*/
+
+// This is enumeration of EAPOL source code.
+#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
+	#undef EAP_FILE_NUMBER_ENUM
+	#define EAP_FILE_NUMBER_ENUM 48 
+	#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_server_message_if.h"
+#include "eap_crypto_api.h"
+#include "eap_state_notification.h"
+#include "eap_automatic_variable.h"
+#include "eap_network_id_selector.h"
+#include "eap_config.h"
+#include "eap_buffer.h"
+#include "eapol_session_key.h"
+#include "eap_master_session_key.h"
+#include "eap_am_stack.h"
+
+//--------------------------------------------------
+
+// 
+EAP_FUNC_EXPORT eap_core_server_message_if_c::~eap_core_server_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_server_message_if_c::~eap_core_server_message_if_c(): this = 0x%08x\n"),
+		this));
+
+	EAP_ASSERT(m_shutdown_was_called == true);
+
+	delete m_eap_core;
+	delete m_am_stack;
+
+	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_server_message_if_c::eap_core_server_message_if_c(
+	abs_eap_am_tools_c * const tools,
+	const bool is_client_when_true,
+	const u32_t MTU)
+	: m_partner(0)
+	, m_eap_core(eap_session_core_base_c::new_eap_session_core_c(tools, this, is_client_when_true, MTU))
+	, m_am_stack(new_eap_am_stack_c(tools, is_client_when_true))
+	, m_am_tools(tools)
+	, m_eap_header_offset(0u)
+	, m_MTU(MTU)
+	, m_trailer_length(0u)
+	, m_error_code(eap_status_ok)
+	, m_error_function(eap_tlv_message_type_function_none)
+	, 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_server_message_if_c::eap_core_server_message_if_c(): %s, this = 0x%08x => 0x%08x, compiled %s %s.\n"),
+		(m_is_client == true) ? "client": "server",
+		this,
+		dynamic_cast<abs_eap_base_timer_c *>(this),
+		__DATE__,
+		__TIME__));
+
+	if (m_eap_core != 0
+		&& m_eap_core->get_is_valid() == true
+		&& m_am_stack != 0
+		&& m_am_stack->get_is_valid() == true)
+	{
+		set_is_valid();
+	}
+
+	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::configure(
+	const eap_variable_data_c * const client_configuration)
+{
+	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools,
+		EAP_TRACE_FLAGS_MESSAGE_DATA,
+		(EAPL("%s: eap_core_server_message_if_c::configure()\n"),
+		(m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::configure()");
+
+	eap_status_e status(eap_status_process_general_error);
+
+	m_eap_header_offset = 0ul;
+	m_trailer_length = 0ul;
+
+	if (m_am_stack != 0)
+	{
+		status = m_am_stack->set_partner(
+			this
+#if defined(USE_EAP_SIMPLE_CONFIG)
+			, this
+#endif // #if defined(USE_EAP_SIMPLE_CONFIG)
+			);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		status = m_am_stack->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);
+		}
+	}
+	
+	if (m_eap_core != 0)
+	{
+		status = m_eap_core->configure();
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+	}
+
+	return EAP_STATUS_RETURN(m_am_tools, status);
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::shutdown()
+{
+	EAP_TRACE_DEBUG(
+		m_am_tools,
+		EAP_TRACE_FLAGS_MESSAGE_DATA,
+		(EAPL("%s: eap_core_server_message_if_c::shutdown(), m_shutdown_was_called=%d\n"),
+		(m_is_client == true) ? "client": "server",
+		m_shutdown_was_called));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::shutdown()");
+
+	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);
+
+	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_eap_core != 0)
+	{
+		(void) m_eap_core->shutdown();
+	}
+
+	if (m_am_stack != 0)
+	{
+		(void) m_am_stack->shutdown();
+	}
+
+	return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT void eap_core_server_message_if_c::set_partner(abs_eap_am_message_if_c * const partner)
+{
+	m_partner = partner;
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::send_error_message(
+	const eap_status_e error_code,
+	const eap_tlv_message_type_function_e function)
+{
+	eap_status_e status(eap_status_ok);
+
+	{
+		// 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_error,
+			static_cast<u32_t>(error_code));
+		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(function);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		status = send_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, eap_status_ok);
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::send_message(eap_process_tlv_message_data_c * const message)
+{
+	// Sends message data composed of Attribute-Value Pairs.
+
+	EAP_TRACE_DATA_DEBUG(
+		m_am_tools,
+		EAP_TRACE_FLAGS_MESSAGE_DATA,
+		(EAPL("eap_core_client_message_if_c::send_message()"),
+		message->get_message_data(),
+		message->get_message_data_length()));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_client_message_if_c::send_message()");
+
+
+	{
+		eap_status_e send_status = m_partner->send_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 eap_status_e eap_core_server_message_if_c::process_message_type_error(
+	EAP_TEMPLATE_CONST eap_array_c<eap_tlv_header_c> * const parameters)
+{
+	eap_status_e status(eap_status_ok);
+
+	eap_process_tlv_message_data_c message_data(m_am_tools);
+
+	if (message_data.get_is_valid() == false)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+	}
+
+	// Error payload is the first in this case.
+	status = message_data.read_parameter_data(parameters, eap_message_payload_index_function, eap_tlv_message_type_error, &m_error_code);
+	if (status != eap_status_ok)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, status);
+	}
+
+	// Fuction payload is the second in this case.
+	status = message_data.read_parameter_data(parameters, eap_message_payload_index_first_parameter, &m_error_function);
+	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_server_message_if_c::process_message(eap_process_tlv_message_data_c * const message)
+{
+	// Parses message data composed of Attribute-Value Pairs.
+
+	EAP_TRACE_DATA_DEBUG(
+		m_am_tools,
+		EAP_TRACE_FLAGS_MESSAGE_DATA,
+		(EAPL("eap_core_server_message_if_c::process_message()"),
+		message->get_message_data(),
+		message->get_message_data_length()));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::process_message()");
+
+	eap_array_c<eap_tlv_header_c> parameters(m_am_tools);
+
+	eap_status_e status = message->parse_message_data(&parameters);
+	if (status != eap_status_ok)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+		(void) send_error_message(
+			status,
+			eap_tlv_message_type_function_none);
+
+		return EAP_STATUS_RETURN(m_am_tools, status);
+	}
+
+	if (parameters.get_object_count() == 0)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+		status = eap_status_illegal_parameter;
+
+		(void) send_error_message(
+			status,
+			eap_tlv_message_type_function_none);
+
+		return EAP_STATUS_RETURN(m_am_tools, status);
+	}
+
+	const eap_tlv_header_c * const function_header = parameters.get_object(eap_message_payload_index_function);
+	if (function_header == 0
+		|| (function_header->get_type() != eap_tlv_message_type_error
+			&& function_header->get_type() != eap_tlv_message_type_function))
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+		status = eap_status_illegal_parameter;
+
+		(void) send_error_message(
+			status,
+			eap_tlv_message_type_function_none);
+
+		return EAP_STATUS_RETURN(m_am_tools, status);
+	}
+
+	if (function_header->get_type() == eap_tlv_message_type_error)
+	{
+		status = process_message_type_error(&parameters);
+	}
+	else // function_header->get_type() == eap_tlv_message_type_function
+	{
+		eap_tlv_message_type_function_e function(eap_tlv_message_type_function_none);
+
+		status = message->get_parameter_data(function_header, &function);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+			(void) send_error_message(
+				status,
+				eap_tlv_message_type_function_none);
+
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		switch(function)
+		{
+		case eap_tlv_message_type_function_create_eap_session:
+			status = create_eap_session(&parameters);
+			break;
+		case eap_tlv_message_type_function_remove_eap_session:
+			status = remove_eap_session(&parameters);
+			break;
+		case eap_tlv_message_type_function_send_eap_identity_request:
+			status = send_eap_identity_request(&parameters);
+			break;
+		case eap_tlv_message_type_function_packet_process:
+			status = packet_process(&parameters);
+			break;
+		case eap_tlv_message_type_function_eap_acknowledge:
+			status = eap_acknowledge(&parameters);
+			break;
+		case eap_tlv_message_type_function_set_eap_database_reference_values:
+			status = set_eap_database_reference_values(&parameters);
+			break;
+		case eap_tlv_message_type_function_eap_mtu:
+			status = eap_mtu(&parameters);
+			break;
+		case eap_tlv_message_type_function_get_802_11_authentication_mode:
+			status = get_802_11_authentication_mode(&parameters);
+			break;
+		default:
+			EAP_TRACE_ERROR(
+				m_am_tools,
+				TRACE_FLAGS_DEFAULT,
+				(EAPL("ERROR: process_data(): unknown function %d.\n"),
+				 function));
+
+			status = eap_status_illegal_parameter;
+
+			EAP_ASSERT_ANYWAY_TOOLS(m_am_tools);
+		};
+
+		if (status != eap_status_ok
+			&& status != eap_status_success
+			&& status != eap_status_pending_request
+			&& status != eap_status_completed_request
+			&& status != eap_status_drop_packet_quietly)
+		{
+			(void) send_error_message(
+				status,
+				function);
+		}
+	}
+
+	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+	return EAP_STATUS_RETURN(m_am_tools, status);
+}
+
+//--------------------------------------------------
+
+/// Function receives the data message from lower layer.
+/// Data is formatted to Attribute-Value Pairs.
+/// Look at eap_tlv_header_c and eap_tlv_message_data_c.
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::process_data(const void * const data, const u32_t length)
+{
+	eap_status_e status(eap_status_process_general_error);
+
+	{
+		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);
+
+			status = eap_status_allocation_error;
+
+			(void) send_error_message(
+				status,
+				eap_tlv_message_type_function_none);
+
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		status = message.set_message_data(length, data);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+			(void) send_error_message(
+				status,
+				eap_tlv_message_type_function_none);
+
+			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_server_message_if_c::packet_send(
+	const eap_am_network_id_c * const send_network_id,
+	eap_buf_chain_wr_c * const sent_packet,
+	const u32_t header_offset,
+	const u32_t data_length,
+	const u32_t buffer_length)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);
+	EAP_ASSERT(header_offset < sent_packet->get_data_length());
+	EAP_ASSERT(data_length <= sent_packet->get_data_length());
+	EAP_ASSERT(sent_packet->get_data_length() <= buffer_length);
+
+	eap_status_e status(eap_status_process_general_error);
+
+	if (sent_packet->get_do_length_checks() == true)
+	{
+		if (header_offset != 0ul)
+		{
+			EAP_TRACE_ERROR(
+				m_am_tools,
+				TRACE_FLAGS_DEFAULT,
+				(EAPL("ERROR: packet_send: packet buffer corrupted (header_offset != %d).\n"),
+				0ul));
+			EAP_ASSERT_ALWAYS(header_offset == 0ul);
+			return EAP_STATUS_RETURN(m_am_tools, eap_status_process_general_error);
+		}
+		else if (header_offset+data_length != sent_packet->get_data_length())
+		{
+			EAP_TRACE_ERROR(
+				m_am_tools,
+				TRACE_FLAGS_DEFAULT,
+				(EAPL("ERROR: packet_send: packet buffer corrupted ")
+				 EAPL("(data_length %d != sent_packet->get_data_length() %d).\n"),
+				 header_offset+data_length,
+				 sent_packet->get_data_length()));
+			EAP_ASSERT_ALWAYS(data_length == sent_packet->get_buffer_length());
+			return EAP_STATUS_RETURN(m_am_tools, eap_status_process_general_error);
+		}
+		else if (header_offset+data_length > buffer_length)
+		{
+			EAP_TRACE_ERROR(
+				m_am_tools,
+				TRACE_FLAGS_DEFAULT,
+				(EAPL("ERROR: packet_send: packet buffer corrupted ")
+				 EAPL("(header_offset+data_length %d > buffer_length %d).\n"),
+				 header_offset+data_length,
+				 buffer_length));
+			EAP_ASSERT_ALWAYS(header_offset+data_length <= buffer_length);
+			return EAP_STATUS_RETURN(m_am_tools, eap_status_process_general_error);
+		}
+		else if (header_offset+data_length > m_MTU)
+		{
+			EAP_TRACE_ERROR(
+				m_am_tools,
+				TRACE_FLAGS_DEFAULT,
+				(EAPL("ERROR: packet_send: packet buffer corrupted ")
+				 EAPL("(header_offset+data_length %d > m_MTU %d).\n"),
+				 header_offset+data_length,
+				 m_MTU));
+			EAP_ASSERT_ALWAYS(header_offset+data_length <= m_MTU);
+			return EAP_STATUS_RETURN(m_am_tools, eap_status_process_general_error);
+		}
+	}
+	else
+	{
+		// Always we need at least the EAP header.
+		if (sent_packet->get_data_length()
+			< eap_header_base_c::get_header_length())
+		{
+			EAP_TRACE_ERROR(
+				m_am_tools,
+				TRACE_FLAGS_DEFAULT,
+				(EAPL("ERROR: packet_send: packet buffer corrupted ")
+				 EAPL("(sent_packet->get_data_length() %d < ")
+				 EAPL("eap_header_base_c::get_header_length() %d).\n"),
+				 sent_packet->get_data_length(),
+				 eap_header_base_c::get_header_length()));
+			return EAP_STATUS_RETURN(m_am_tools, 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_send);
+		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(send_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 = message.add_parameter_data(sent_packet);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		status = send_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 u32_t eap_core_server_message_if_c::get_header_offset(
+	u32_t * const MTU,
+	u32_t * const trailer_length)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);
+
+	const u32_t offset = 0ul;
+
+	*MTU = m_MTU;
+	*trailer_length = m_trailer_length;
+
+	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+	return offset;
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::load_module(
+	const eap_type_value_e type,
+	const eap_type_value_e tunneling_type,
+	abs_eap_base_type_c * const partner,
+	eap_base_type_c ** const eap_type,
+	const bool is_client_when_true,
+	const eap_am_network_id_c * const receive_network_id)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	eap_status_e status = m_am_stack->load_module(
+		type,
+		tunneling_type,
+		partner,
+		eap_type,
+		is_client_when_true,
+		receive_network_id);
+
+	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_server_message_if_c::unload_module(const eap_type_value_e type)
+{
+	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_ASSERT_ANYWAY_TOOLS(m_am_tools);
+
+	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_server_message_if_c::packet_data_crypto_keys(
+	const eap_am_network_id_c * const send_network_id,
+	const eap_master_session_key_c * const master_session_key
+	)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools,
+		EAP_TRACE_FLAGS_MESSAGE_DATA,
+		(EAPL("%s: eap_core_server_message_if_c::packet_data_crypto_keys()\n"),
+		(m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::packet_data_crypto_keys()");
+
+	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);
+
+	eap_status_e status(eap_status_process_general_error);
+
+	if (master_session_key == 0
+		|| master_session_key->get_is_valid() == false)
+	{
+		EAP_TRACE_DEBUG(
+			m_am_tools,
+			TRACE_FLAGS_DEFAULT,
+			(EAPL("ERROR: eap_core_server_message_if_c::packet_data_crypto_keys(), invalid key.\n")));
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_key_error);
+	}
+	
+	EAP_TRACE_DATA_DEBUG(
+		m_am_tools,
+		EAP_TRACE_FLAGS_MESSAGE_DATA,
+		(EAPL("eap_core_server_message_if_c::packet_data_crypto_keys(): master_session_key"), 
+		 master_session_key->get_data(),
+		 master_session_key->get_data_length()));
+	
+	{
+		// 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_data_crypto_keys);
+		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(send_network_id);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		// This adds only the EAP-type.
+		status = message.add_parameter_data(master_session_key->get_eap_type());
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		// This adds only the eap_variable_data.
+		status = message.add_parameter_data(master_session_key);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		status = send_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_server_message_if_c::complete_get_802_11_authentication_mode(
+	const eap_status_e completion_status,
+	const eap_am_network_id_c * const receive_network_id,
+	const eapol_key_802_11_authentication_mode_e mode)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools,
+		EAP_TRACE_FLAGS_MESSAGE_DATA,
+		(EAPL("%s: eap_core_server_message_if_c::complete_get_802_11_authentication_mode()\n"),
+		(m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::complete_get_802_11_authentication_mode()");
+
+	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_complete_get_802_11_authentication_mode);
+		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(completion_status);
+		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 = message.add_parameter_data(mode);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		status = send_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_server_message_if_c::complete_remove_eap_session(
+	const bool complete_to_lower_layer,
+	const eap_am_network_id_c * const receive_network_id)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools,
+		EAP_TRACE_FLAGS_MESSAGE_DATA,
+		(EAPL("%s: eap_core_server_message_if_c::complete_remove_eap_session(): complete_to_lower_layer=%s\n"),
+		(m_is_client == true) ? "client": "server",
+		(complete_to_lower_layer == true) ? "true": "false"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::complete_remove_eap_session()");
+
+	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_complete_remove_eap_session);
+		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(complete_to_lower_layer);
+		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 = send_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_server_message_if_c::read_configure(
+	const eap_configuration_field_c * const field,
+	eap_variable_data_c * const data)
+{
+	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 = m_am_stack->read_configure(
+		field,
+		data);
+
+	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_server_message_if_c::write_configure(
+	const eap_configuration_field_c * const field,
+	eap_variable_data_c * const data)
+{
+	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_ASSERT_ANYWAY_TOOLS(m_am_tools);
+
+	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+	return EAP_STATUS_RETURN(m_am_tools, status);
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT void eap_core_server_message_if_c::set_is_valid()
+{
+	m_is_valid = true;
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT bool eap_core_server_message_if_c::get_is_valid()
+{
+	return m_is_valid;
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::timer_expired(
+	const u32_t id, void *data)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools,
+		EAP_TRACE_FLAGS_MESSAGE_DATA,
+		(EAPL("TIMER: %s: [0x%08x]->eap_core_server_message_if_c::timer_expired(id 0x%02x, data 0x%08x).\n"),
+		 (m_is_client == true) ? "client": "server",
+		 this,
+		 id,
+		 data));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::timer_expired()");
+
+
+	return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::timer_delete_data(
+	const u32_t id, void *data)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools,
+		EAP_TRACE_FLAGS_MESSAGE_DATA,
+		(EAPL("TIMER: %s: [0x%08x]->eap_core_server_message_if_c::timer_delete_data(id 0x%02x, data 0x%08x).\n"),
+		(m_is_client == true) ? "client": "server",
+		this, id, data));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::timer_delete_data()");
+
+	return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
+}
+
+//--------------------------------------------------
+
+EAP_FUNC_EXPORT void eap_core_server_message_if_c::state_notification(
+	const abs_eap_state_notification_c * const state)
+{
+	eap_status_e status(eap_status_process_general_error);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools, 
+		EAP_TRACE_FLAGS_MESSAGE_DATA, 
+		(EAPL("%s: eap_core_server_message_if_c::state_notification()\n"),
+		 (m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::state_notification()");
+
+	{
+		// 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);
+			(void)EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+			return;
+		}
+
+		status = message.add_parameter_data(eap_tlv_message_type_function_state_notification);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			(void)EAP_STATUS_RETURN(m_am_tools, status);
+			return;
+		}
+
+		status = message.add_parameter_data(state);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			(void)EAP_STATUS_RETURN(m_am_tools, status);
+			return;
+		}
+
+		status = send_message(&message);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			(void)EAP_STATUS_RETURN(m_am_tools, status);
+			return;
+		}
+	}
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::asynchronous_init_remove_eap_session(
+	const eap_am_network_id_c * const /* send_network_id */)
+{
+	// eap_core_server_message_if_c object does not support asynchronous_init_remove_eap_session().
+	return EAP_STATUS_RETURN(m_am_tools, eap_status_not_supported);
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::asynchronous_start_authentication(
+	const eap_am_network_id_c * const /* receive_network_id */,
+	const bool /* is_client_when_true */)
+{
+	return EAP_STATUS_RETURN(m_am_tools, eap_status_not_supported);
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::restart_authentication(
+	const eap_am_network_id_c * const send_network_id,
+	const bool is_client_when_true,
+	const bool force_clean_restart,
+	const bool from_timer)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools,
+		EAP_TRACE_FLAGS_MESSAGE_DATA,
+		(EAPL("%s: eap_core_server_message_if_c::restart_authentication()\n"),
+		(m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::restart_authentication()");
+
+	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_restart_authentication);
+		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(send_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 = message.add_parameter_data(is_client_when_true);
+		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(force_clean_restart);
+		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(from_timer);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		status = send_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_server_message_if_c::set_timer(
+	abs_eap_base_timer_c * const p_initializer, 
+	const u32_t p_id, 
+	void * const p_data,
+	const u32_t p_time_ms)
+{
+	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 = m_am_stack->set_timer(
+		p_initializer, 
+		p_id, 
+		p_data,
+		p_time_ms);
+
+	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_server_message_if_c::cancel_timer(
+	abs_eap_base_timer_c * const p_initializer, 
+	const u32_t p_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_ok);
+
+	if (m_am_stack != 0)
+	{
+		status = m_am_stack->cancel_timer(
+			p_initializer, 
+			p_id);
+	}
+
+	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_server_message_if_c::check_is_valid_eap_type(
+	const eap_type_value_e eap_type)
+{
+	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 = m_am_stack->check_is_valid_eap_type(eap_type);
+
+	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_server_message_if_c::get_eap_type_list(
+	eap_array_c<eap_type_value_e> * const eap_type_list)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	eap_status_e status = m_am_stack->get_eap_type_list(eap_type_list);
+
+	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+	return EAP_STATUS_RETURN(m_am_tools, status);
+}
+
+//--------------------------------------------------
+
+/// @see abs_eap_core_c::add_rogue_ap().
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::add_rogue_ap(
+	eap_array_c<eap_rogue_ap_entry_c> & rogue_ap_list)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools, 
+		EAP_TRACE_FLAGS_MESSAGE_DATA, 
+		(EAPL("%s: eap_core_server_message_if_c::add_rogue_ap(): Does nothing.\n"),
+		 (m_is_client == true) ? "client": "server"));
+
+	eap_status_e status(eap_status_ok);
+
+	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_server_message_if_c::set_session_timeout(
+	const u32_t /* session_timeout_ms */)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_ASSERT(m_am_tools->get_global_mutex()->get_is_reserved() == true);
+
+	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+	return EAP_STATUS_RETURN(m_am_tools, eap_status_not_supported);
+}
+
+//--------------------------------------------------
+
+eap_status_e eap_core_server_message_if_c::create_eap_session(
+	EAP_TEMPLATE_CONST eap_array_c<eap_tlv_header_c> * const parameters)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools, 
+		EAP_TRACE_FLAGS_MESSAGE_DATA, 
+		(EAPL("%s: eap_core_server_message_if_c::create_eap_session()\n"),
+		 (m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::create_eap_session()");
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_status_e status(eap_status_ok);
+
+	u32_t parameter_index(eap_message_payload_index_first_parameter);
+
+	eap_process_tlv_message_data_c message_data(m_am_tools);
+
+	if (message_data.get_is_valid() == false)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_am_network_id_c receive_network_id(m_am_tools);
+
+	status = message_data.read_parameter_data(parameters, parameter_index, &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 = m_eap_core->create_eap_session(
+		&receive_network_id ///< source includes remote address, destination includes local address.
+		);
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+	return EAP_STATUS_RETURN(m_am_tools, status);
+}
+
+//--------------------------------------------------
+
+eap_status_e eap_core_server_message_if_c::remove_eap_session(
+	EAP_TEMPLATE_CONST eap_array_c<eap_tlv_header_c> * const parameters)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools, 
+		EAP_TRACE_FLAGS_MESSAGE_DATA, 
+		(EAPL("%s: eap_core_server_message_if_c::remove_eap_session()\n"),
+		 (m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::remove_eap_session()");
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_status_e status(eap_status_ok);
+
+	u32_t parameter_index(eap_message_payload_index_first_parameter);
+
+	eap_process_tlv_message_data_c message_data(m_am_tools);
+
+	if (message_data.get_is_valid() == false)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	bool complete_to_lower_layer(false);
+
+	status = message_data.read_parameter_data(parameters, parameter_index, &complete_to_lower_layer);
+	if (status != eap_status_ok)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, status);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	++parameter_index;
+
+	eap_am_network_id_c receive_network_id(m_am_tools);
+
+	status = message_data.read_parameter_data(parameters, parameter_index, &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 = m_eap_core->remove_eap_session(
+		complete_to_lower_layer,
+		&receive_network_id ///< source includes remote address, destination includes local address.
+		);
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	// This is a new function to synchronize EAP-client and EAP-server.
+	eap_status_e completion_status = complete_remove_eap_session(
+		complete_to_lower_layer,
+		&receive_network_id ///< source includes remote address, destination includes local address.
+		);
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+	return EAP_STATUS_RETURN(m_am_tools, completion_status);
+}
+
+//--------------------------------------------------
+
+eap_status_e eap_core_server_message_if_c::send_eap_identity_request(
+	EAP_TEMPLATE_CONST eap_array_c<eap_tlv_header_c> * const parameters)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools, 
+		EAP_TRACE_FLAGS_MESSAGE_DATA, 
+		(EAPL("%s: eap_core_server_message_if_c::send_eap_identity_request()\n"),
+		 (m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::send_eap_identity_request()");
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_status_e status(eap_status_ok);
+
+	u32_t parameter_index(eap_message_payload_index_first_parameter);
+
+	eap_process_tlv_message_data_c message_data(m_am_tools);
+
+	if (message_data.get_is_valid() == false)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_am_network_id_c receive_network_id(m_am_tools);
+
+	status = message_data.read_parameter_data(parameters, parameter_index, &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 = m_eap_core->send_eap_identity_request(
+		&receive_network_id ///< source includes remote address, destination includes local address.
+		);
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+	return EAP_STATUS_RETURN(m_am_tools, status);
+}
+
+//--------------------------------------------------
+
+eap_status_e eap_core_server_message_if_c::packet_process(
+	EAP_TEMPLATE_CONST eap_array_c<eap_tlv_header_c> * const parameters)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools, 
+		EAP_TRACE_FLAGS_MESSAGE_DATA, 
+		(EAPL("%s: eap_core_server_message_if_c::packet_process()\n"),
+		 (m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::packet_process()");
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_status_e status(eap_status_ok);
+
+	u32_t parameter_index(eap_message_payload_index_first_parameter);
+
+	eap_process_tlv_message_data_c message_data(m_am_tools);
+
+	if (message_data.get_is_valid() == false)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_am_network_id_c receive_network_id(m_am_tools);
+
+	status = message_data.read_parameter_data(parameters, parameter_index, &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);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	++parameter_index;
+
+	eap_variable_data_c packet_data_payload(m_am_tools);
+
+	status = message_data.read_parameter_data(parameters, parameter_index, &packet_data_payload);
+	if (status != eap_status_ok)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, status);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_header_wr_c eap(
+		m_am_tools,
+		packet_data_payload.get_data(),
+		packet_data_payload.get_data_length());
+	if (eap.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 = m_eap_core->packet_process(
+		&receive_network_id,
+		&eap,
+		packet_data_payload.get_data_length()
+		);
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	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_server_message_if_c::eap_acknowledge(
+	EAP_TEMPLATE_CONST eap_array_c<eap_tlv_header_c> * const parameters)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools, 
+		EAP_TRACE_FLAGS_MESSAGE_DATA, 
+		(EAPL("%s: eap_core_server_message_if_c::eap_acknowledge()\n"),
+		 (m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::eap_acknowledge()");
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_status_e status(eap_status_ok);
+
+	u32_t parameter_index(eap_message_payload_index_first_parameter);
+
+	eap_process_tlv_message_data_c message_data(m_am_tools);
+
+	if (message_data.get_is_valid() == false)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_am_network_id_c receive_network_id(m_am_tools);
+
+	status = message_data.read_parameter_data(parameters, parameter_index, &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 = m_eap_core->eap_acknowledge(
+		&receive_network_id ///< source includes remote address, destination includes local address.
+		);
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	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_server_message_if_c::eap_mtu(
+	EAP_TEMPLATE_CONST eap_array_c<eap_tlv_header_c> * const parameters)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools, 
+		EAP_TRACE_FLAGS_MESSAGE_DATA, 
+		(EAPL("%s: eap_core_server_message_if_c::eap_mtu()\n"),
+		 (m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::eap_mtu()");
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_status_e status(eap_status_ok);
+
+	u32_t parameter_index(eap_message_payload_index_first_parameter);
+
+	eap_process_tlv_message_data_c message_data(m_am_tools);
+
+	if (message_data.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_data.read_parameter_data(parameters, parameter_index, &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_server_message_if_c::get_802_11_authentication_mode(
+	EAP_TEMPLATE_CONST eap_array_c<eap_tlv_header_c> * const parameters)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools, 
+		EAP_TRACE_FLAGS_MESSAGE_DATA, 
+		(EAPL("%s: eap_core_server_message_if_c::get_802_11_authentication_mode()\n"),
+		 (m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::get_802_11_authentication_mode()");
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_status_e status(eap_status_ok);
+
+	u32_t parameter_index(eap_message_payload_index_first_parameter);
+
+	eap_process_tlv_message_data_c message_data(m_am_tools);
+
+	if (message_data.get_is_valid() == false)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_am_network_id_c receive_network_id(m_am_tools);
+
+	status = message_data.read_parameter_data(parameters, parameter_index, &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);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	++parameter_index;
+
+	eapol_key_authentication_type_e authentication_type(eapol_key_authentication_type_none);
+
+	status = message_data.read_parameter_data(parameters, parameter_index, &authentication_type);
+	if (status != eap_status_ok)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, status);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	++parameter_index;
+
+	eap_variable_data_c SSID(m_am_tools);
+
+	status = message_data.read_parameter_data(parameters, parameter_index, &SSID);
+	if (status != eap_status_ok)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, status);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	++parameter_index;
+
+	eap_variable_data_c preshared_key(m_am_tools);
+
+	status = message_data.read_parameter_data(parameters, parameter_index, &preshared_key);
+	if (status != eap_status_ok)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, status);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	if (authentication_type == eapol_key_authentication_type_WPS)
+	{
+		// Save SSID and pre-shared key for WPS to memory store.
+		eap_variable_data_c memory_store_key(m_am_tools);
+
+		eap_status_e status = memory_store_key.set_copy_of_buffer(
+			EAP_WPS_CONFIGURATION_MEMORY_STORE_KEY,
+			sizeof(EAP_WPS_CONFIGURATION_MEMORY_STORE_KEY));
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		status = memory_store_key.add_data(
+			&m_is_client,
+			sizeof(m_is_client));
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		eap_network_id_selector_c state_selector(
+			m_am_tools,
+			&receive_network_id);
+
+		status = memory_store_key.add_data(
+			&state_selector);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		eap_tlv_message_data_c tlv_data(m_am_tools);
+
+		status = tlv_data.add_message_data(
+			eap_type_protected_setup_stored_preshared_key,
+			preshared_key.get_data_length(),
+			preshared_key.get_data());
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		status = tlv_data.add_message_data(
+			eap_type_protected_setup_stored_ssid,
+			SSID.get_data_length(),
+			SSID.get_data());
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		status = m_am_tools->memory_store_remove_data(&memory_store_key);
+		if (status != eap_status_ok
+			&& status != eap_status_not_found)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		status = m_am_tools->memory_store_add_data(
+			&memory_store_key,
+			&tlv_data,
+			eap_type_default_credential_timeout);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_ERROR(
+				m_am_tools,
+				TRACE_FLAGS_ERROR,
+				(EAPL("eap_core_server_message_if_c::get_802_11_authentication_mode(): cannot store WPS credentials\n")));
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	status = m_am_stack->get_802_11_authentication_mode(
+		&receive_network_id, ///< source includes remote address, destination includes local address.
+		authentication_type);
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+	return EAP_STATUS_RETURN(m_am_tools, status);
+}
+
+//--------------------------------------------------
+
+eap_status_e eap_core_server_message_if_c::set_eap_database_reference_values(
+	EAP_TEMPLATE_CONST eap_array_c<eap_tlv_header_c> * const parameters)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools, 
+		EAP_TRACE_FLAGS_MESSAGE_DATA, 
+		(EAPL("%s: eap_core_server_message_if_c::set_eap_database_reference_values()\n"),
+		 (m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::set_eap_database_reference_values()");
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_status_e status(eap_status_ok);
+
+	u32_t parameter_index(eap_message_payload_index_first_parameter);
+
+	eap_process_tlv_message_data_c message_data(m_am_tools);
+
+	if (message_data.get_is_valid() == false)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	eap_variable_data_c reference(m_am_tools);
+
+	status = message_data.read_parameter_data(parameters, parameter_index, &reference);
+	if (status != eap_status_ok)
+	{
+		EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+		return EAP_STATUS_RETURN(m_am_tools, status);
+	}
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	status = m_am_stack->set_eap_database_reference_values(
+		&reference
+		);
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+	return EAP_STATUS_RETURN(m_am_tools, status);
+}
+
+//--------------------------------------------------
+
+#if defined(USE_EAP_SIMPLE_CONFIG)
+
+EAP_FUNC_EXPORT eap_status_e eap_core_server_message_if_c::save_simple_config_session(
+	const simple_config_state_e state,
+	EAP_TEMPLATE_CONST eap_array_c<simple_config_credential_c> * const credential_array,
+	const eap_variable_data_c * const new_password,
+	const simple_config_Device_Password_ID_e Device_Password_ID,
+	const simple_config_payloads_c * const other_configuration)
+{
+	EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
+
+	EAP_TRACE_DEBUG(
+		m_am_tools, 
+		EAP_TRACE_FLAGS_MESSAGE_DATA, 
+		(EAPL("%s: eap_core_server_message_if_c::save_simple_config_session()\n"),
+		 (m_is_client == true) ? "client": "server"));
+
+	EAP_TRACE_RETURN_STRING_FLAGS(m_am_tools, EAP_TRACE_FLAGS_MESSAGE_DATA, "returns: eap_core_server_message_if_c::save_simple_config_session()");
+
+	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+	// Message is formatted as:
+	// 0                   1                   2                   3   
+	//  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 
+	// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
+	// |                    Type = Function                            |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 4                                 |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Value = New_protected_setup_credentials    |
+	// +#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+ <= start of Array of Protected setup credential
+	// |                    Type = Array                               |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 137                               |
+	// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ <= start of Array of Protected setup credential value
+	// |                    Type = Protected setup credential          |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 129                               |
+	// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
+	// |                    Type = Unsigned 8 bit integer              |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 1                                 |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |   u8_t value  |
+	// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
+	// |                    Type = Variable data                       |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 12                                |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Value = SSID string                        |
+	// +-+-+-+-                                                 -+-+-+-+
+	// |                                                               |
+	// +-+-+-+-                                                 -+-+-+-+
+	// |                                                               |
+	// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
+	// |                    Type = Unsigned 16 bit integer             |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 2                                 |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |   u16_t Authentication type   |
+	// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
+	// |                    Type = Unsigned 16 bit integer             |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 2                                 |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |   u16_t Encryption type       |
+	// +#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+ <= start of Array of Network key
+	// |                    Type = Array                               |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 66                                |
+	// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ <= start of Array of Network key value
+	// |                    Type = Network key                         |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 25                                |
+	// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
+	// |                    Type = Unsigned 8 bit integer              |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 1                                 |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |   u8_t value  |
+	// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
+	// |                    Type = Variable data                       |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 8                                 |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Value = Network key                        |
+	// +-+-+-+-                                                 -+-+-+-+
+	// |                                                               |
+	// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
+	// |                    Type = Network key                         |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 25                                |
+	// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
+	// |                    Type = Unsigned 8 bit integer              |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 1                                 |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |   u8_t value  |
+	// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
+	// |                    Type = Variable data                       |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 8                                 |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Value = Network key                        |
+	// +-+-+-+-                                                 -+-+-+-+
+	// |                                                               |
+	// +#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+ <= end of Array of Network key
+	// |                    Type = Variable data                       |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Length = 6                                 |
+	// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                    Value = MAC address                        |
+	// +-+-+-+-                        +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+	// |                               |
+	// +#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+#+                                 <= end of Array of Protected setup credential
+
+
+	eap_status_e status(eap_status_ok);
+
+	{
+		// 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_new_protected_setup_credentials);
+		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(credential_array);
+		if (status != eap_status_ok)
+		{
+			EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
+			return EAP_STATUS_RETURN(m_am_tools, status);
+		}
+
+		status = send_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_SIMPLE_CONFIG)
+
+//--------------------------------------------------
+
+eap_am_message_if_c * eap_am_message_if_c::new_eap_am_server_message_if_c(
+	abs_eap_am_tools_c * const tools,
+	const bool is_client_when_true,
+	const u32_t MTU)
+{
+	eap_am_message_if_c * server = new eap_core_server_message_if_c(
+		tools,
+		is_client_when_true,
+		MTU);
+
+	eap_automatic_variable_c<eap_am_message_if_c> automatic_server(
+		tools,
+		server);
+
+	if (server == 0
+		|| server->get_is_valid() == false)
+	{
+		// ERROR.
+		if (server != 0)
+		{
+			EAP_TRACE_DEBUG(
+				tools,
+				TRACE_FLAGS_ALWAYS|TRACE_FLAGS_DEFAULT, 
+				(EAPL("ERROR: calls: eap_am_message_if_c::new_eap_am_server_message_if_c(): server->shutdown(): %s.\n"),
+				(is_client_when_true == true) ? "client": "server"));
+
+			server->shutdown();
+		}
+
+		return 0;
+	}
+
+	automatic_server.do_not_free_variable();
+
+	return server;
+}
+
+//--------------------------------------------------
+// End.