--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_common/include/abs_eap_base_type.h Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,331 @@
+/*
+* 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.
+*
+*/
+
+
+
+
+#if !defined(_ABS_EAP_BASE_TYPE_H_)
+#define _ABS_EAP_BASE_TYPE_H_
+
+#include "eap_am_export.h"
+#include "eap_header.h"
+#include "eap_array.h"
+
+class eap_base_type_c;
+class eap_am_network_id_c;
+class eap_network_id_selector_c;
+class eap_configuration_field_c;
+class abs_eap_state_notification_c;
+class eap_rogue_ap_entry_c;
+class eap_master_session_key_c;
+
+/// The class is the interface to partner class of the eap_base_type class.
+/// This declares the pure virtual member functions EAP-type class could call.
+class EAP_EXPORT abs_eap_base_type_c
+{
+private:
+ //--------------------------------------------------
+
+ //--------------------------------------------------
+protected:
+ //--------------------------------------------------
+
+ //--------------------------------------------------
+public:
+ //--------------------------------------------------
+
+ /**
+ * The destructor of the abs_eap_base_type_c class does nothing special.
+ */
+ virtual ~abs_eap_base_type_c()
+ {
+ }
+
+ /**
+ * The constructor of the abs_eap_base_type_c class does nothing special.
+ */
+ abs_eap_base_type_c()
+ {
+ }
+
+ /**
+ * The derived class could send packets to partner class with this function.
+ * @param network_id carries the addresses (network identity) and type of the packet.
+ * @param sent_packet includes the buffer for the whole packet and initialized
+ * EAP-packet in correct offset.
+ * @param header_offset is offset of the EAP-header within the sent_packet.
+ * @param data_length is length in bytes of the EAP-packet.
+ * @param buffer_length is length in bytes of the whole packet buffer.
+ *
+ * Now some ascii graphics follows.
+ * @code
+ *
+ * +---------------------+-----+---------------------------------------+-------------+
+ * | | EAP | data | |
+ * +---------------------+-----+---------------------------------------+-------------+
+ * | | | |
+ * |<---header_offset--->|<-------------data_length------------------->|<--trailer-->|
+ * | |
+ * |<------------------------buffer_length------------------------------------------>|
+ *
+ * trailer is the free space in the end of the packet buffer.
+ * @endcode
+ *
+ */
+ 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;
+
+ /**
+ * This function restarts authentication to send_network_id.
+ * @param send_network_id is network identity of target.
+ * @param is_client_when_true indicates whether this object 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).
+ */
+ virtual eap_status_e restart_authentication(
+ const eap_am_network_id_c * const send_network_id,
+ const bool is_client_when_true) = 0;
+
+ /**
+ * The get_header_offset() function obtains the header offset of EAP-packet.
+ * @param MTU_length is pointer to variable to store the maximum transfer unit (MTU).
+ * MTU is the maximum EAP-packet length in bytes
+ * @param trailer_length is pointer to the variable to store length
+ * of trailer needed by lower levels.
+ * @return Function returns the offset of EAP-header.
+ *
+ * The needed buffer length is ((offset) + (EAP-packet length) + (trailer)) bytes.
+ * Each layer adds the length of the header to offset.
+ * Each layer removes the length of the header and trailer from MTU.
+ *
+ * Now some ascii graphics follows.
+ * @code
+ * |<-------------------------buffer length----------------------------------------->|
+ * | |
+ * | +-----+---------------------------------------+ |
+ * | | EAP | data | |
+ * | +-----+---------------------------------------+ |
+ * |<----offset--------->|<----MTU------------------------------------>|<--trailer-->|
+ * | | | |
+ * | +-------+---------------------------------------------+ |
+ * | | EAPOL | data | |
+ * | +-------+---------------------------------------------+ |
+ * |<--offset--->|<----MTU-------------------------------------------->|<--trailer-->|
+ * | | | |
+ * +-------------+-----------------------------------------------------+-------------+
+ * | ETHERNET | data | trailer |
+ * +-------------+-----------------------------------------------------+-------------+
+ * |<----MTU------------------------------------------------------------------------>|
+ * @endcode
+ *
+ */
+ virtual u32_t get_header_offset(
+ u32_t * const MTU_length,
+ u32_t * const trailer_length) = 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.
+ * @param master_session_key is pointer to the first byte of the master session key.
+ * @param master_session_length is count of bytes in the master session key.
+ */
+ 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.
+ * @param field is generic configure string idenfying the required configure data.
+ * @param field_length is length of the field string.
+ * @param data is pointer to existing eap_variable_data object.
+ *
+ * EAP-type should store it's parameters to an own database. The own database should be accessed
+ * through adaptation module of EAP-type. See eap_am_type_gsmsim_simulator_c::type_configure_read.
+ */
+ 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.
+ * @param field is generic configure string idenfying the required configure data.
+ * @param field_length is length of the field string.
+ * @param data is pointer to existing eap_variable_data object.
+ *
+ * EAP-type should store it's parameters to an own database. The own database should be accessed
+ * through adaptation module of EAP-type. See eap_am_type_gsmsim_simulator_c::type_configure_write.
+ */
+ 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. EAP-type MUST send these
+ * two notifications to lower layer.
+ * These two notifications are sent using EAP-protocol layer (eap_protocol_layer_e::eap_protocol_layer_eap).
+ * See also eap_state_notification_c.
+ */
+ virtual void state_notification(
+ const abs_eap_state_notification_c * const state) = 0;
+
+ /**
+ * Client object of EAP-type calls this function.
+ * This function completes asyncronously query_eap_identity() function call.
+ * @param send_network_id is network identity of target.
+ * @param identity is pointer to object that includes the identity.
+ * @param eap_identifier is EAP-Identifier for EAP-Response/Identity packet.
+ */
+ virtual eap_status_e complete_eap_identity_query(
+ const eap_am_network_id_c * const send_network_id,
+ const eap_variable_data_c * const identity,
+ const u8_t eap_identifier) = 0;
+
+ /**
+ * Client object of EAP-type calls this function.
+ * This function gets the EAP-identity queried from previous EAP-type.
+ *
+ * First EAP-type A is default. The eap_core_c object queries EAP-identity from EAP-type A.
+ * Server process EAP-Response/Identity but there the default EAP-type is B.
+ * Server sends EAP-Request/B. Client loads new EAP-type B
+ * and forwards EAP-Request/B to it. EAP-Request/B is the first EAP-packet EAP-type B receive.
+ * It must continue using the EAP-identity obtained with EAP-type A. Now EAP-type B could get the EAP-identity
+ * obtained with EAP-type A with this function.
+ */
+ virtual eap_status_e get_saved_eap_identity(eap_variable_data_c * const identity) = 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;
+
+ /**
+ * 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 is needed by PEAP type.
+ * 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;
+
+ /**
+ * This is needed by PEAP type.
+ * 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;
+
+ /**
+ * This is needed by PEAP type.
+ * 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 set_authentication_role(const bool when_true_set_client) = 0;
+
+ virtual eap_status_e add_rogue_ap(eap_array_c<eap_rogue_ap_entry_c> & rogue_ap_list) = 0;
+
+ virtual bool get_is_tunneled_eap() const = 0;
+
+ //--------------------------------------------------
+}; // class abs_eap_base_type_c
+
+#endif //#if !defined(_ABS_EAP_BASE_TYPE_H_)
+
+//--------------------------------------------------
+
+
+
+// End.