eapol/eapol_framework/eapol_symbian/am/eapvpnif/inc/eap_vpn_if_implementation.h
changeset 0 c8830336c852
child 2 1c7bc153c08e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_symbian/am/eapvpnif/inc/eap_vpn_if_implementation.h	Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,435 @@
+/*
+* Copyright (c) 2005-2006 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:  CEapVpnInterfaceImplementation
+*
+*/
+
+
+#ifndef __EAPPLUGIN_H__
+#define __EAPPLUGIN_H__
+
+// INCLUDES
+#include <d32dbms.h>
+
+#include <wdbifwlansettings.h>
+#include "eap_vpn_if.h"
+#include "abs_eap_core.h"
+#include "eapol_session_key.h"
+#include "eap_core.h"
+#include "eap_am_tools_symbian.h"
+#include "EapType.h"
+#include "EapolTimer.h"
+
+// FORWARD DECLARATIONS
+class CEapType;
+class eap_am_tools_symbian_c;
+class eap_file_config_c;
+
+/**
+ * Class:       CEapVpnInterfaceImplementation
+ *
+ * Description: Implements the EAP over IKEv2 adaptation
+ *              This is concrete class, instance of which
+ *              ECOM framework gives to ECOM clients.
+ */
+class CEapVpnInterfaceImplementation
+	: public CEapVpnInterface
+	, public abs_eap_core_c
+	, public abs_eap_base_timer_c
+{
+public:
+	/**
+     * Function:    NewL
+     *
+     * Description: Create instance of concrete implementation. Note that ECOM
+     *              interface implementations can only have two signatures for
+     *              NewL:
+     *               - NewL without parameters (used here)
+     *               - NewL with TAny* pointer, which may provide some client
+     *                 data
+     *
+     * @return     Instance of this class.
+     *
+     * Note:       The interface, which is abstract base class of this
+     *             implementation, also provides NewL method. Normally abstract
+     *             classes do not provide NewL, because they cannot create
+     *             instances of themselves.
+     */
+	static CEapVpnInterfaceImplementation* NewL(TAbsEapVpnInterfaceParams* aParams);
+
+    virtual ~CEapVpnInterfaceImplementation();
+    // Virtual functions from CEapVpnInterface
+    /**
+     * Function:    StartL
+     *
+     * Description: Initializes the eap plugin
+	 *
+     * @param       aType name of requested eap type implementation.
+     *
+     */
+    virtual TInt StartL(const TUint8 aEapType);
+    /**
+     * Function:    EapConfigure
+     *
+     * Description: Configures the eap plugin
+	 *
+     * @param       aManualUsername The username, if not zero
+     * @param       aManualRealm The realm, if not zero
+     * @param       aManualRealmPrefix The realm prefix, if not zero
+     * @param       aHideInitialIdentity Scramble username, if true
+     *
+     */
+    virtual TInt EapConfigure(TDesC8& aManualUsername, TDesC8& aManualRealm, TDesC8& aRealmPrefix, TBool aHideInitialIdentity);
+
+    /**
+	 * Function:    QueryIdentity
+	 *
+	 * Description: Ask the identity
+     */
+    virtual TInt QueryIdentity();
+
+    /**
+	 * Function:    EapInbound
+	 *
+	 * Description: Handle incoming Eap message
+	 *
+     * @param       aMessage incoming eap message.
+     *              
+     */
+    virtual TInt EapInbound(const TDesC8& aMessage);
+
+// Virtual callback functions, called by the eap_core
+
+    /**
+	 * 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);
+
+    /**
+	 * 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);
+
+    /**
+	 * 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);
+
+    /**
+	 * 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);
+    
+    void set_is_valid();
+
+    bool get_is_valid();
+
+    void increment_authentication_counter();
+
+    u32_t get_authentication_counter();
+
+    bool get_is_client();
+    
+    eap_status_e configure();
+
+    eap_status_e shutdown();
+
+    /**
+	 * 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
+        );
+
+    /**
+	 * 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
+        );
+
+    /**
+	 * 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);
+
+    /**
+	 * 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);
+
+    /**
+	 * 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);
+
+    /**
+	 * 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);
+
+    /**
+	 * 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);
+
+    /**
+	 * 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();
+
+    /**
+	 * 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);
+
+    /**
+	 * 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);
+
+    virtual eap_status_e add_rogue_ap(eap_array_c<eap_rogue_ap_entry_c> & rogue_ap_list);
+
+    /**
+	 * The adaptation module calls the restart_authentication() function
+	 * when EAP-authentication is needed with another peer.
+	 * @see abs_eap_core_c::restart_authentication().
+	 */
+    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);
+
+    /**
+	 * This function tells lower layer to remove EAP session object asyncronously.
+	 * @param send_network_id is pointer to network id that identifies the removed EAP session.
+	 */
+    eap_status_e asynchronous_init_remove_eap_session(
+        const eap_am_network_id_c * const send_network_id);
+
+    // This is documented in abs_eap_core_c::set_session_timeout().
+    eap_status_e set_session_timeout(
+        const u32_t session_timeout_ms);
+    
+    // See abs_eap_base_timer_c::timer_expired().
+    eap_status_e timer_expired(
+        const u32_t id, void *data);
+
+    // See abs_eap_base_timer_c::timer_delete_data().
+    eap_status_e timer_delete_data(
+        const u32_t id, void *data);
+
+private:
+
+    TInt CompleteAssociation(const TInt aResult);
+    eap_status_e send_eap_identity_request();
+    
+    eap_status_e create_upper_stack();
+
+protected:
+
+	/**
+     * Function:   CEapVpnInterfaceImplementation
+     *
+     * Discussion: Perform the first phase of two phase construction
+     */
+	CEapVpnInterfaceImplementation();
+	
+	/**
+     * Function:   ConstructL
+     *
+     * Discussion: Perform the second phase construction
+     */
+	void ConstructL(MAbsEapVpnInterface* aCaller, TBool aClient);
+    
+    void RunL();
+    void DoCancel();
+
+private: // implementation    
+    static void CleanupImplArray( TAny* aAny );
+    
+private:
+    // From eapol_am_core_symbian.h
+
+    TBool iQueryIdentity;
+
+    /// Pointer to the lower layer in the stack
+    MAbsEapVpnInterface* iCaller;
+
+    /// Pointer to the upper layer in the stack
+    eap_core_c* iEapCore;
+
+#ifdef USE_EAP_EXPANDED_TYPES
+    
+    eap_type_value_e iRequestedEapType;
+
+#else
+    
+    TUint8 iRequestedEapType;
+
+#endif //#ifdef USE_EAP_EXPANDED_TYPES
+    
+    /// Pointer to the tools class
+    eap_am_tools_symbian_c* m_am_tools;
+
+    eap_am_network_id_c* m_receive_network_id;
+
+	eap_variable_data_c * m_trace_log_file_name;
+    
+    u32_t m_authentication_counter;
+
+    u32_t m_successful_authentications;
+
+    u32_t m_failed_authentications;
+
+    bool m_is_valid;
+
+    bool m_is_client;	
+
+    /// Array for storing the loaded EAP types.
+    RPointerArray<CEapType> m_plugin_if_array;
+
+#ifdef USE_EAP_EXPANDED_TYPES
+
+	/// Enabled expanded EAP configuration data from CommsDat
+	// This is for the outer most EAP (not tunneled)
+	RExpandedEapTypeArray m_enabled_expanded_eap_array;
+
+	/// Disabled expanded EAP configuration data from CommsDat
+	// This is for the outer most EAP (not tunneled)
+	RExpandedEapTypeArray m_disabled_expanded_eap_array;
+	
+	/// Array which corresponds with m_plugin_if_array and indicates the types of the loaded EAP types.	
+	eap_array_c<eap_type_value_e> * m_eap_type_array;
+
+#else
+
+    /// EAP configuration data from CommDb
+    TEapArray m_iap_eap_array;
+
+    /// Array which corresponds with m_plugin_if_array and indicates the types of the loaded EAP types.
+    RArray<TUint8> m_eap_type_array;
+
+#endif //#ifdef USE_EAP_EXPANDED_TYPES
+
+    /// Indicates the bearer type
+    TIndexType m_index_type;
+
+    /// Indicates the service index in CommDb
+    TInt m_index;
+
+    eap_file_config_c* m_fileconfig;
+
+    u32_t m_packet_index;
+
+    bool m_block_packet_sends_and_notifications;
+
+    bool m_stack_marked_to_be_deleted;
+
+    HBufC8* iManualUsername;
+    HBufC8* iManualRealm;
+    HBufC8* iRealmPrefix;
+    TBool iHideInitialIdentity;    
+};
+
+#endif //#ifndef __EAPPLUGIN_H__
+
+// End.