eapol/eapol_framework/eapol_common/am/include/eapol_am_wlan_authentication.h
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     1 /*
       
     2 * Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  EAP and WLAN authentication protocols.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #if !defined(_EAPOL_AM_WLAN_AUTHENTICATION_H_)
       
    22 #define _EAPOL_AM_WLAN_AUTHENTICATION_H_
       
    23 
       
    24 #include "eap_am_export.h"
       
    25 #include "eap_status.h"
       
    26 #include "eap_header.h"
       
    27 #include "eap_array.h"
       
    28 #include "eapol_key_types.h"
       
    29 
       
    30 class abs_eapol_am_wlan_authentication_c;
       
    31 class abs_eap_am_tools_c;
       
    32 class abs_eap_base_type_c;
       
    33 class eap_base_type_c;
       
    34 class eap_am_network_id_c;
       
    35 class eap_type_selection_c;
       
    36 class abs_eapol_wlan_database_reference_if_c;
       
    37 class abs_eap_state_notification_c;
       
    38 
       
    39 #if defined(USE_EAP_SIMPLE_CONFIG)
       
    40 class abs_eap_configuration_if_c;
       
    41 #endif // #if defined(USE_EAP_SIMPLE_CONFIG)
       
    42 
       
    43 
       
    44 /// This is interface to adaptation module of class eapol_wlan_authentication_c.
       
    45 class EAP_EXPORT eapol_am_wlan_authentication_c
       
    46 {
       
    47 private:
       
    48 	//--------------------------------------------------
       
    49 
       
    50 	//--------------------------------------------------
       
    51 protected:
       
    52 	//--------------------------------------------------
       
    53 
       
    54 	//--------------------------------------------------
       
    55 public:
       
    56 	//--------------------------------------------------
       
    57 
       
    58 	// 
       
    59 	virtual ~eapol_am_wlan_authentication_c();
       
    60 
       
    61 	/// @param tools: Constructor takes parameter tools that is pointer to adaptation of the platform.
       
    62 	/// @param is_client_when_true: Second parameter is true when object is client and false when object is server.
       
    63 	/// @param wlan_database_reference: third parameter is pointer to interface to read the current database reference.
       
    64 	EAP_FUNC_IMPORT static eapol_am_wlan_authentication_c * new_eapol_am_wlan_authentication(
       
    65 		abs_eap_am_tools_c * const tools,
       
    66 		const bool is_client_when_true,
       
    67 		const abs_eapol_wlan_database_reference_if_c * const wlan_database_reference
       
    68 		);
       
    69 
       
    70 	/// This is documented in abs_eap_stack_interface_c::get_is_valid().
       
    71 	virtual bool get_is_valid() = 0;
       
    72 
       
    73 	/// This is documented in abs_eap_stack_interface_c::configure().
       
    74 	virtual eap_status_e configure() = 0;
       
    75 
       
    76 	/// This is documented in abs_eap_stack_interface_c::shutdown().
       
    77 	virtual eap_status_e shutdown() = 0;
       
    78 
       
    79 	/// Function sets the parther object of this object.
       
    80 	virtual eap_status_e set_am_partner(
       
    81 		abs_eapol_am_wlan_authentication_c * am_partner
       
    82 #if defined(USE_EAP_SIMPLE_CONFIG)
       
    83 		, abs_eap_configuration_if_c * const configuration_if
       
    84 #endif // #if defined(USE_EAP_SIMPLE_CONFIG)
       
    85 		) = 0;
       
    86 
       
    87 	/// Function resets current EAP-configuration.
       
    88 	virtual eap_status_e reset_eap_configuration() = 0;
       
    89 
       
    90 	/// Function sets the new WLAN parameters.
       
    91 	virtual eap_status_e set_wlan_parameters(
       
    92 		const eap_variable_data_c * const SSID,
       
    93 		const bool WPA_override_enabled,
       
    94 		const eap_variable_data_c * const wpa_preshared_key,
       
    95 		const eapol_key_authentication_type_e selected_eapol_key_authentication_type) = 0;
       
    96 
       
    97 	/// New association is completed.
       
    98 	virtual eap_status_e association(
       
    99 		const eap_am_network_id_c * const receive_network_id ///< source includes remote address, destination includes local address.
       
   100 		) = 0;
       
   101 
       
   102 	/// Previous connection was disassiciated.
       
   103 	virtual eap_status_e disassociation(
       
   104 		const eap_am_network_id_c * const receive_network_id ///< source includes remote address, destination includes local address.
       
   105 		) = 0;
       
   106 
       
   107 	/**
       
   108 	 * This function queries the selected and active EAP-types that can be used
       
   109 	 * in current connection.
       
   110 	 */
       
   111 	virtual eap_status_e get_selected_eap_types(
       
   112 		eap_array_c<eap_type_selection_c> * const selected_eap_types) = 0;
       
   113 
       
   114 	/// Function gets the current WLAN configuration, now only the HASH of the WPA(2)-PSK.
       
   115 	virtual eap_status_e get_wlan_configuration(
       
   116 		eap_variable_data_c * const wpa_preshared_key_hash) = 0;
       
   117 
       
   118 	/**
       
   119 	 * This function indicates finish of the authentication to adatation module.
       
   120 	 * @param when_true_successfull tells whether authentication was successfull (true) or not (false).
       
   121 	 * @param eap_type tells the used EAP-type.
       
   122 	 * @param authentication_type tells the used WLAN authentication type.
       
   123 	 */
       
   124 	virtual eap_status_e authentication_finished(
       
   125 		const bool when_true_successfull,
       
   126 		const eap_type_value_e eap_type,
       
   127 		const eapol_key_authentication_type_e authentication_type) = 0;
       
   128 
       
   129 	/**
       
   130 	 * The load_module() function function indicates the lower level to
       
   131 	 * load new module of EAP-type.
       
   132 	 * @param type is the requested EAP-type.
       
   133 	 * @param tunneling_type is the EAP-type that tunnels the type. When plain EAP-type is used this parameter is eap_type_none.
       
   134 	 * @param partner is pointer to the caller object.
       
   135 	 * The partner of the new created EAP-type object is the caller object.
       
   136 	 * @param eap_type is a pointer to a pointer of EAP-type object.
       
   137 	 * Adaptation module sets eap_type pointer to created EAP-type object.
       
   138 	 * @param is_client_when_true parameter indicates whether the network entity should
       
   139 	 * act as a client (true) or server (false), in terms of EAP-protocol whether
       
   140 	 * this network entity is EAP-supplicant (true) or EAP-authenticator (false).
       
   141 	 * @param receive_network_id includes the addresses (network identity) and packet type.
       
   142 	 */
       
   143 	virtual eap_status_e load_module(
       
   144 		const eap_type_value_e type,
       
   145 		const eap_type_value_e tunneling_type,
       
   146 		abs_eap_base_type_c * const partner,
       
   147 		eap_base_type_c ** const eap_type,
       
   148 		const bool is_client_when_true,
       
   149 		const eap_am_network_id_c * const receive_network_id ///< source includes remote address, destination includes local address.
       
   150 		) = 0;
       
   151 
       
   152 	/**
       
   153 	 * The unload_module() function unloads the module of a EAP-type. 
       
   154 	 * @param eap_type is the requested EAP-type.
       
   155 	 */
       
   156 	virtual eap_status_e unload_module(
       
   157 		const eap_type_value_e type) = 0;
       
   158 
       
   159 	/**
       
   160 	 * The read_configure() function reads the configuration data identified
       
   161 	 * by the field string of field_length bytes length. Adaptation module must direct
       
   162 	 * the query to some persistent store.
       
   163 	 * @see abs_eap_base_type_c::read_configure().
       
   164 	 */
       
   165 	virtual eap_status_e read_configure(
       
   166 		const eap_configuration_field_c * const field,
       
   167 		eap_variable_data_c * const data) = 0;
       
   168 
       
   169 	/**
       
   170 	 * The write_configure() function writes the configuration data identified
       
   171 	 * by the field string of field_length bytes length. Adaptation module must direct
       
   172 	 * the action to some persistent store.
       
   173 	 * @see abs_eap_base_type_c::write_configure().
       
   174 	 */
       
   175 	virtual eap_status_e write_configure(
       
   176 		const eap_configuration_field_c * const field,
       
   177 		eap_variable_data_c * const data) = 0;
       
   178 
       
   179 	/**
       
   180 	 * The set_timer() function initializes timer to be elapsed after p_time_ms milliseconds.
       
   181 	 * @param initializer is pointer to object which timer_expired() function will
       
   182 	 * be called after timer elapses.
       
   183 	 * @param id is identifier which will be returned in timer_expired() function.
       
   184 	 * The user selects and interprets the id for this timer.
       
   185 	 * @param data is pointer to any user selected data which will be returned in timer_expired() function.
       
   186 	 * @param p_time_ms is time of timer to elapse in milli seconds.
       
   187 	 *
       
   188 	 * Adaptation module internally implements the timer.
       
   189 	 */
       
   190 	virtual eap_status_e set_timer(
       
   191 		abs_eap_base_timer_c * const initializer, 
       
   192 		const u32_t id, 
       
   193 		void * const data,
       
   194 		const u32_t p_time_ms) = 0;
       
   195 
       
   196 	/**
       
   197 	 * The cancel_timer() function cancels the timer id initiated by initializer.
       
   198 	 * @param initializer is the object that initialised the timer.
       
   199 	 * @param id is the identity of the timer.
       
   200 	 *
       
   201 	 * Adaptation module internally implements the timer.
       
   202 	 */
       
   203 	virtual eap_status_e cancel_timer(
       
   204 		abs_eap_base_timer_c * const initializer, 
       
   205 		const u32_t id) = 0;
       
   206 
       
   207 	/**
       
   208 	 * The cancel_all_timers() function cancels all timers.
       
   209 	 * User should use this in termination of the stack before
       
   210 	 * the adaptation module of tools is deleted.
       
   211 	 * Preferred mode is to cancel each timer directly
       
   212 	 * using cancel_timer() function.
       
   213 	 *
       
   214 	 * Adaptation module internally implements the timer.
       
   215 	 */
       
   216 	virtual eap_status_e cancel_all_timers() = 0;
       
   217 
       
   218 	/**
       
   219 	 * This function queries the validity of EAP-type.
       
   220 	 * Lower layer should return eap_status_ok if this EAP-type is supported.
       
   221 	 */
       
   222 	virtual eap_status_e check_is_valid_eap_type(const eap_type_value_e eap_type) = 0;
       
   223 
       
   224 	/**
       
   225 	 * This function queries the list of supported EAP-types.
       
   226 	 * Lower layer should return eap_status_ok if this call succeeds.
       
   227 	 * @param eap_type_list will include the list of supported EAP-types. Each value in list
       
   228 	 * is type of u32_t and represent one supported EAP-type. List consists of subsequent u32_t type values.
       
   229 	 */
       
   230 	virtual eap_status_e get_eap_type_list(
       
   231 		eap_array_c<eap_type_value_e> * const eap_type_list) = 0;
       
   232 
       
   233 	/**
       
   234 	 * This is notification of internal state transition.
       
   235 	 * This is used for notifications, debugging and protocol testing.
       
   236 	 * The primal notifications are eap_state_variable_e::eap_state_authentication_finished_successfully
       
   237 	 * and eap_state_variable_e::eap_state_authentication_terminated_unsuccessfully.
       
   238 	 * These two notifications are sent from EAP-protocol layer (eap_protocol_layer_e::eap_protocol_layer_eap).
       
   239 	 */
       
   240 	virtual void state_notification(
       
   241 		const abs_eap_state_notification_c * const state) = 0;
       
   242 
       
   243 	//--------------------------------------------------
       
   244 }; // class eapol_am_wlan_authentication_c
       
   245 
       
   246 #endif //#if !defined(_EAPOL_AM_WLAN_AUTHENTICATION_H_)
       
   247 
       
   248 //--------------------------------------------------
       
   249 
       
   250 
       
   251 
       
   252 // End.