/*
* 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: 2.1.2 %
*/
#if !defined(_ABS_EAP_CORE_H_)
#define _ABS_EAP_CORE_H_
#include "eap_header.h"
#include "eap_array.h"
class eap_am_network_id_c;
class eap_buf_chain_wr_c;
class eap_configuration_field_c;
class eap_variable_data_c;
class abs_eap_base_type_c;
class abs_eap_state_notification_c;
class eap_base_type_c;
class eap_rogue_ap_entry_c;
class eap_master_session_key_c;
/// This class defines the interface the eap_core_c class
/// will use with the partner class (lower layer).
class EAP_EXPORT abs_eap_core_c
{
private:
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protected:
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public:
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/**
* The destructor of the abs_eap_core class does nothing special.
*/
virtual ~abs_eap_core_c()
{
}
/**
* The constructor of the abs_eap_core class does nothing special.
*/
abs_eap_core_c()
{
}
/**
* The derived class could send packets to partner class with this function.
* @see abs_eap_base_type_c::packet_send().
*/
virtual eap_status_e packet_send(
const eap_am_network_id_c * const 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) = 0;
/**
* The get_header_offset() function obtains the header offset of EAP-packet.
* @see abs_eap_base_type_c::get_header_offset().
*/
virtual u32_t get_header_offset(
u32_t * const MTU,
u32_t * const trailer_length) = 0;
/**
* The load_module() function function indicates the lower level to
* load new module of EAP-type.
* @param type is the requested EAP-type.
* @param partner is pointer to the caller object.
* The partner of the new created EAP-type object is the caller object.
* @param eap_type is a pointer to a pointer of EAP-type object.
* Adaptation module sets eap_type pointer to created EAP-type object.
* @param is_client_when_true parameter indicates whether the network entity should
* act as a client (true) or server (false), in terms of EAP-protocol whether
* this network entity is EAP-supplicant (true) or EAP-authenticator (false).
* @param receive_network_id includes the addresses (network identity) and packet type.
*/
virtual eap_status_e 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) = 0;
/**
* The unload_module() function unloads the module of a EAP-type.
* @param eap_type is the requested EAP-type.
*/
virtual eap_status_e unload_module(const eap_type_value_e eap_type) = 0;
/**
* The session calls the restart_authentication() function
* when EAP-authentication is needed with another peer.
* This is also used when session restarts authentication.
* @param receive_network_id includes the addresses (network identity) and packet type.
* @param is_client_when_true indicates whether the EAP-type should act as a client or server,
* in terms of EAP-protocol whether this network entity is EAP-supplicant (true) or EAP-authenticator (false).
* @param force_clean_restart this selects whether the server removes this session (true) or not (false).
* @param from_timer tells whether the timer calls this function (true) or not (false).
*/
virtual eap_status_e restart_authentication(
const eap_am_network_id_c * const receive_network_id,
const bool is_client_when_true,
const bool force_clean_restart,
const bool from_timer = false) = 0;
/**
* Note this function is just an example. Parameters will change later.
* The packet_data_crypto_keys() function gives the generated keys to lower level.
* After EAP-authentication has generated the keys it calls this function
* to offer the keys to lower level.
* @see abs_eap_base_type_c::packet_data_crypto_keys().
*/
virtual eap_status_e packet_data_crypto_keys(
const eap_am_network_id_c * const send_network_id,
const eap_master_session_key_c * const master_session_key
) = 0;
/**
* The read_configure() function reads the configuration data identified
* by the field string of field_length bytes length. Adaptation module must direct
* the query to some persistent store.
* @see abs_eap_base_type_c::read_configure().
*/
virtual eap_status_e read_configure(
const eap_configuration_field_c * const field,
eap_variable_data_c * const data) = 0;
/**
* The write_configure() function writes the configuration data identified
* by the field string of field_length bytes length. Adaptation module must direct
* the action to some persistent store.
* @see abs_eap_base_type_c::write_configure().
*/
virtual eap_status_e write_configure(
const eap_configuration_field_c * const field,
eap_variable_data_c * const data) = 0;
/**
* This is notification of internal state transition.
* This is used for notifications, debugging and protocol testing.
* The primal notifications are eap_state_variable_e::eap_state_authentication_finished_successfully
* and eap_state_variable_e::eap_state_authentication_terminated_unsuccessfully.
* These two notifications are sent from EAP-protocol layer (eap_protocol_layer_e::eap_protocol_layer_eap).
* These two notifications tells the end state of authentication session. These are the only
* reliable indications of the final status of authentication session.
* You MUST NOT make decision based on the return value of abs_eap_stack_interface_c::packet_process().
*/
virtual void state_notification(
const abs_eap_state_notification_c * const state) = 0;
/**
* This function tells lower layer to remove EAP session object asyncronously.
* @param eap_type is pointer to selector that identifies the removed EAP session.
*/
virtual eap_status_e asynchronous_init_remove_eap_session(
const eap_am_network_id_c * const send_network_id) = 0;
/**
* The set_timer() function initializes timer to be elapsed after time_ms milliseconds.
* @param initializer is pointer to object which timer_expired() function will
* be called after timer elapses.
* @param id is identifier which will be returned in timer_expired() function.
* The user selects and interprets the id for this timer.
* @param data is pointer to any user selected data which will be returned in timer_expired() function.
* @param time_ms is the time of timer in milli seconds.
*
* Adaptation module internally implements the timer.
*/
virtual eap_status_e set_timer(
abs_eap_base_timer_c * const initializer,
const u32_t id,
void * const data,
const u32_t time_ms) = 0;
/**
* The cancel_timer() function cancels the timer id initiated by initializer.
* @param initializer is pointer to object which set the cancelled timer.
* @param id is identifier which will be returned in timer_expired() function.
* The user selects and interprets the id for this timer.
*
* Adaptation module internally implements the timer.
*/
virtual eap_status_e cancel_timer(
abs_eap_base_timer_c * const initializer,
const u32_t id) = 0;
/**
* The cancel_all_timers() function cancels all timers.
* User should use this in termination of the stack before
* the adaptation module of tools is deleted.
* Preferred mode is to cancel each timer directly
* using cancel_timer() function.
*
* Adaptation module internally implements the timer.
*/
virtual eap_status_e cancel_all_timers() = 0;
/**
* This function queries the validity of EAP-type.
* Lower layer should return eap_status_ok if this EAP-type is supported.
* @param eap_type is the requested EAP-type.
*/
virtual eap_status_e check_is_valid_eap_type(const eap_type_value_e eap_type) = 0;
/**
* This function queries the list of supported EAP-types.
* Lower layer should return eap_status_ok if this call succeeds.
* @param eap_type_list will include the list of supported EAP-types. Each value in list
* is type of u32_t and represent one supported EAP-type. List consists of subsequent u32_t type values.
*/
virtual eap_status_e get_eap_type_list(
eap_array_c<eap_type_value_e> * const eap_type_list) = 0;
virtual eap_status_e add_rogue_ap(eap_array_c<eap_rogue_ap_entry_c> & rogue_ap_list) = 0;
/**
* The set_session_timeout() function changes the session timeout timer to be elapsed after session_timeout_ms milliseconds.
*/
virtual eap_status_e set_session_timeout(
const u32_t session_timeout_ms) = 0;
//--------------------------------------------------
}; // class abs_eap_core_c
#endif //#if !defined(_ABS_EAP_CORE_H_)
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// End.