/*
* 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: 7.1.2 %
*/
#if !defined(_ABS_EAPOL_CORE_H_)
#define _ABS_EAPOL_CORE_H_
#include "eap_am_types.h"
#include "eapol_key_state.h"
class eap_am_network_id_c;
class eapol_session_key_c;
class abs_eap_base_type_c;
class eap_rogue_ap_entry_c;
class eap_base_type_c;
/// The abs_eapol_core_c class defines the interface the eapol_core_c class
/// will use with the partner class.
/// Later eapol and ethernet could be integrated. Now I am too lazy.
class EAP_EXPORT abs_eapol_core_c
{
private:
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protected:
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public:
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/**
* The destructor does nothing special.
*/
virtual ~abs_eapol_core_c()
{
}
/**
* The constructor does nothing special.
*/
abs_eapol_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.
* @see abs_eap_core_c::load_module().
*/
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 type is the requested EAP-type.
*/
virtual eap_status_e unload_module(
const eap_type_value_e type) = 0;
/**
* The packet_data_session_key() function passes one traffic encryption key to
* the lower layers. Ultimately the key can end up to the WLAN hardware.
* @param send_network_id carries the addresses (network identity) and type of the packet.
* @param key is the encryption key
* @param key_length is the length of the key
* @param key_type describes the type of the key (WEP or something else...)
* @param key_index is the index of the encryption key (there can be four broadcast keys in WEP for example)
*/
virtual eap_status_e packet_data_session_key(
const eap_am_network_id_c * const send_network_id,
const eapol_session_key_c * const 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).
*/
virtual void state_notification(
const abs_eap_state_notification_c * const state) = 0;
/**
* The set_timer() function initializes timer to be elapsed after p_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.
*
* 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 p_time_ms) = 0;
/**
* The cancel_timer() function cancels the timer id initiated by initializer.
*
* 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.
*/
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;
//--------------------------------------------------
}; // class abs_eapol_core_c
#endif //#if !defined(_ABS_EAPOL_CORE_H_)
//--------------------------------------------------
// End.