/*

* 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.

*

*/

/*

*/

#ifndef _EAP_AM_TYPE_MSCHAPV2_SYMBIAN_H_

#define _EAP_AM_TYPE_MSCHAPV2_SYMBIAN_H_

//  INCLUDES

#include "eap_am_tools_symbian.h"

#include "abs_eap_base_type.h"

#include "eap_am_type_mschapv2.h"

#include "eap_type_mschapv2.h"

#include <EapType.h>

#include <d32dbms.h>

const TUint KDefaultTimeoutEAPMsChapV2 = 120000;

/**

* Class that implements the operating system dependent portion of EAP Ms-Chap-v2 protocol.

* For Symbian OS.

*/

class EAP_EXPORT eap_am_type_mschapv2_symbian_c

: public CActive, public eap_am_type_mschapv2_c

{

private:

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

	eap_am_tools_symbian_c * const m_am_tools;

	abs_eap_base_type_c * const m_partner;

	RDbNamedDatabase m_database;

	enum TState 

	{

		EHandlingUsernamePasswordQuery,

		EHandlingChangePasswordQuery,

	};

	TState m_state;

	eap_variable_data_c * m_username_utf8;

	eap_variable_data_c * m_password_utf8;

	eap_variable_data_c * m_old_password_utf8;

	bool * m_password_prompt_enabled;

	bool m_is_identity_query;

	eap_am_network_id_c m_receive_network_id;

	TIndexType m_index_type;

	TInt m_index;

	eap_type_value_e m_tunneling_type;

	bool m_is_client;

	bool m_is_valid;

	bool m_shutdown_was_called;

	// This holds the max session time read from the configuration file.

	TInt64 m_max_session_time;

	void send_error_notification(const eap_status_e error);

	bool is_session_validL();

	/**

	 * Stores current universal time as the the full authentication time

	 * in the database. Leaves if storing fails.

	 */

	void store_authentication_timeL();	

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

protected:

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

	eap_am_type_mschapv2_symbian_c(

		abs_eap_am_tools_c * const m_am_tools,

		abs_eap_base_type_c * const partner,

		const TIndexType aIndexType,

		const TInt aIndex,

		const eap_type_value_e aTunnelingType,

		const bool aIsClient,

		const eap_am_network_id_c * const receive_network_id);

	void ConstructL();

	void RunL();

	void DoCancel();

	void type_configure_updateL();

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

public:

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

	static eap_am_type_mschapv2_symbian_c* NewL(

		abs_eap_am_tools_c * const aTools,

		abs_eap_base_type_c * const aPartner,

		const TIndexType aIndexType,

		const TInt aIndex,

		const eap_type_value_e aTunnelingType,

		const bool aIsClient,

		const eap_am_network_id_c * const receive_network_id);

	// 

	EAP_FUNC_IMPORT virtual ~eap_am_type_mschapv2_symbian_c();

	eap_status_e show_username_password_dialog(

		eap_variable_data_c & username,

		eap_variable_data_c & password,

		bool & password_prompt_enabled,

		bool is_identity_query);

	eap_status_e show_change_password_dialog(

		eap_variable_data_c & username,

		eap_variable_data_c & old_password,

		eap_variable_data_c & password,

		bool & password_prompt_enabled);

	// 

	EAP_FUNC_IMPORT eap_status_e configure();

	EAP_FUNC_IMPORT eap_status_e reset();

	EAP_FUNC_IMPORT eap_status_e update_username_password();	

	EAP_FUNC_IMPORT void set_is_valid();

	EAP_FUNC_IMPORT bool get_is_valid();

	EAP_FUNC_IMPORT eap_status_e type_configure_read(

		const eap_configuration_field_c * const field,

		eap_variable_data_c * const data);

	void type_configure_readL(

		eap_config_string field,

		const u32_t field_length,

		eap_variable_data_c * const data);

	EAP_FUNC_IMPORT eap_status_e type_configure_write(

		const eap_configuration_field_c * const field,

		eap_variable_data_c * const data);

	EAP_FUNC_IMPORT eap_status_e shutdown();

	EAP_FUNC_IMPORT eap_status_e read_auth_failure_string(eap_mschapv2_error_e error_code, eap_variable_data_c &string);

	EAP_FUNC_IMPORT eap_status_e get_memory_store_key(eap_variable_data_c * const memory_store_key);

	/**

	 * Returns true if the full authenticated session is valid.

	 * It finds the difference between current time and the 

	 * last full authentication time. If the difference is less than the

	 * Maximum Session Validity Time, then session is valid, returns true.

	 * Otherwise returns false. 

	 * Full authentication (using pw query) should be done if the session is not valid.

	 */

	bool is_session_valid();

	/**

	 * Stores current universal time as the the full authentication time

	 * in the database by calling the leaving function store_authentication_time_L.

	 * Returns appropriate error if storing fails. eap_status_ok for successful storing.

	 */

	eap_status_e store_authentication_time();	

}; // class eap_am_type_mschapv2_symbian_c

#endif // _EAP_AM_TYPE_MSCHAPV2_SYMBIAN_H_

// End of file