| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316 | /** * Copyright (c) 2016 - 2020, Nordic Semiconductor ASA * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this *    list of conditions and the following disclaimer. * * 2. Redistributions in binary form, except as embedded into a Nordic *    Semiconductor ASA integrated circuit in a product or a software update for *    such product, must reproduce the above copyright notice, this list of *    conditions and the following disclaimer in the documentation and/or other *    materials provided with the distribution. * * 3. Neither the name of Nordic Semiconductor ASA nor the names of its *    contributors may be used to endorse or promote products derived from this *    software without specific prior written permission. * * 4. This software, with or without modification, must only be used with a *    Nordic Semiconductor ASA integrated circuit. * * 5. Any software provided in binary form under this license must not be reverse *    engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *//** @file * * @defgroup ble_bms Bond Management Service * @{ * @ingroup ble_sdk_srv * @brief Bond Management Service (BMS) module. * * @details This module implements the Bond Management Service (BMS). *          By writing to the Bond Management Control Point, the connected peer can request the deletion of *          bond information from the device. *          If authorization is configured, the application must supply an event handler for receiving Bond *          Management Service events. Using this handler, the service requests authorization when *          a procedure is requested by writing to the Bond Management Control Point. * * @msc * hscale = "1.3"; * APP,BMS,PEER; * |||; * APP rbox PEER [label="Connection established"]; * |||; * BMS<=PEER     [label="BMCP write request {procedure}"]; * APP<-BMS      [label="NRF_BLE_BMS_EVT_AUTH {auth_code}"]; * ---           [label="Variant #1: app grants authorization"]; * APP->BMS      [label="nrf_ble_bms_auth_reponse (true)"]; * BMS>>APP      [label="NRF_SUCCESS"]; * BMS=>PEER     [label="BMCP write response"]; * BMS rbox BMS  [label="Procedure initiated"]; * ---           [label="Variant #2: app denies authorization"]; * APP->BMS      [label="nrf_ble_bms_auth_reponse (false)"]; * BMS>>APP      [label="NRF_SUCCESS"]; * BMS=>PEER     [label="BMCP error response"]; * @endmsc * * @note    The application must register this module as BLE event observer using the *          NRF_SDH_BLE_OBSERVER macro. Example: *          @code *              nrf_ble_bms_t instance; *              NRF_SDH_BLE_OBSERVER(anything, NRF_BLE_BMS_BLE_OBSERVER_PRIO, *                                   nrf_ble_bms_on_ble_evt, &instance); *          @endcode */#ifndef NRF_BLE_BMS_H__#define NRF_BLE_BMS_H__#include <stdint.h>#include <stdbool.h>#include "ble.h"#include "ble_srv_common.h"#include "nrf_ble_qwr.h"#include "nrf_sdh_ble.h"#ifdef __cplusplusextern "C" {#endif/**@brief   Macro for defining a nrf_ble_bms instance. * * @param   _name   Name of the instance. * @hideinitializer */#define NRF_BLE_BMS_DEF(_name)                                                                      \static nrf_ble_bms_t _name;                                                                         \NRF_SDH_BLE_OBSERVER(_name ## _obs,                                                                 \                     NRF_BLE_BMS_BLE_OBSERVER_PRIO,                                                 \                     nrf_ble_bms_on_ble_evt, &_name)#define NRF_BLE_BMS_FEATURE_LEN    3                                 //!< Length of the Feature Characteristic (in bytes).#define NRF_BLE_BMS_CTRLPT_MAX_LEN 128                               //!< Maximum length of the Bond Management Control Point Characteristic (in bytes).#define NRF_BLE_BMS_CTRLPT_MIN_LEN 1                                 //!< Minimum length of the Bond Management Control Point Characteristic (in bytes).#define NRF_BLE_BMS_AUTH_CODE_MAX_LEN NRF_BLE_BMS_CTRLPT_MAX_LEN - 1 //!< Maximum length of the Bond Management Control Point Authorization Code (in bytes)./** @defgroup NRF_BLE_BMS_FEATURES BMS feature bits * @{ */#define NRF_BLE_BMS_REQUESTING_DEVICE_BR_LE                      (0x01 << 0)  //!< Delete bond of the requesting device (BR/EDR and LE).#define NRF_BLE_BMS_REQUESTING_DEVICE_BR_LE_AUTH_CODE            (0x01 << 1)  //!< Delete bond of the requesting device (BR/EDR and LE) with an authorization code.#define NRF_BLE_BMS_REQUESTING_DEVICE_BR                         (0x01 << 2)  //!< Delete bond of the requesting device (BR/EDR transport only).#define NRF_BLE_BMS_REQUESTING_DEVICE_BR_AUTH_CODE               (0x01 << 3)  //!< Delete bond of the requesting device (BR/EDR transport only) with an authorization code.#define NRF_BLE_BMS_REQUESTING_DEVICE_LE                         (0x01 << 4)  //!< Delete bond of the requesting device (LE transport only).#define NRF_BLE_BMS_REQUESTING_DEVICE_LE_AUTH_CODE               (0x01 << 5)  //!< Delete bond of the requesting device (LE transport only) with an authorization code.#define NRF_BLE_BMS_ALL_BONDS_BR_LE                              (0x01 << 6)  //!< Delete all bonds on the device (BR/EDR and LE).#define NRF_BLE_BMS_ALL_BONDS_BR_LE_AUTH_CODE                    (0x01 << 7)  //!< Delete all bonds on the device (BR/EDR and LE) with an authorization code.#define NRF_BLE_BMS_ALL_BONDS_BR                                 (0x01 << 8)  //!< Delete all bonds on the device (BR/EDR transport only).#define NRF_BLE_BMS_ALL_BONDS_BR_AUTH_CODE                       (0x01 << 9)  //!< Delete all bonds on the device (BR/EDR transport only) with an authorization code.#define NRF_BLE_BMS_ALL_BONDS_LE                                 (0x01 << 10) //!< Delete all bonds on the device (LE transport only).#define NRF_BLE_BMS_ALL_BONDS_LE_AUTH_CODE                       (0x01 << 11) //!< Delete all bonds on the device (LE transport only) with an authorization code.#define NRF_BLE_BMS_ALL_EXCEPT_REQUESTING_DEVICE_BR_LE           (0x01 << 12) //!< Delete all bonds on the device except for the bond of the requesting device (BR/EDR and LE).#define NRF_BLE_BMS_ALL_EXCEPT_REQUESTING_DEVICE_BR_LE_AUTH_CODE (0x01 << 13) //!< Delete all bonds on the device except for the bond of the requesting device (BR/EDR and LE) with an authorization code.#define NRF_BLE_BMS_ALL_EXCEPT_REQUESTING_DEVICE_BR              (0x01 << 14) //!< Delete all bonds on the device except for the bond of the requesting device (BR/EDR transport only).#define NRF_BLE_BMS_ALL_EXCEPT_REQUESTING_DEVICE_BR_AUTH_CODE    (0x01 << 15) //!< Delete all bonds on the device except for the bond of the requesting device (BR/EDR transport only) with an authorization code.#define NRF_BLE_BMS_ALL_EXCEPT_REQUESTING_DEVICE_LE              (0x01 << 16) //!< Delete all bonds on the device except for the bond of the requesting device (LE transport only).#define NRF_BLE_BMS_ALL_EXCEPT_REQUESTING_DEVICE_LE_AUTH_CODE    (0x01 << 17) //!< Delete all bonds on the device except for the bond of the requesting device (LE transport only) with an authorization code./** @} */#define NRF_BLE_BMS_OPCODE_NOT_SUPPORTED (BLE_GATT_STATUS_ATTERR_APP_BEGIN + 0) //!< Error sent back when receiving a control point write with an unsupported opcode.#define NRF_BLE_BMS_OPERATION_FAILED     (BLE_GATT_STATUS_ATTERR_APP_BEGIN + 1) //!< Error sent back when a control point operation fails./**@brief   Supported features. */typedef struct{    bool delete_all                     : 1; //!< Indicates whether the application wants to support the operation to delete all bonds.    bool delete_all_auth                : 1; //!< Indicates whether the application wants to support the operation to delete all bonds with authorization code.    bool delete_requesting              : 1; //!< Indicates whether the application wants to support the operation to delete the bonds of the requesting device.    bool delete_requesting_auth         : 1; //!< Indicates whether the application wants to support the operation to delete the bonds of the requesting device with authorization code.    bool delete_all_but_requesting      : 1; //!< Indicates whether the application wants to support the operation to delete all bonds except for the bond of the requesting device.    bool delete_all_but_requesting_auth : 1; //!< Indicates whether the application wants to support the operation to delete all bonds except for the bond of the requesting device with authorization code.} nrf_ble_bms_features_t;/**@brief   BMS Control Point opcodes. */typedef enum{    NRF_BLE_BMS_OP_DEL_BOND_REQ_DEVICE_BR_LE       = 0x01, //!< Initiates the procedure to delete the bond of the requesting device on BR/EDR and LE transports.    NRF_BLE_BMS_OP_DEL_BOND_REQ_DEVICE_BR_ONLY     = 0x02, //!< Initiates the procedure to delete the bond of the requesting device on BR/EDR transport.    NRF_BLE_BMS_OP_DEL_BOND_REQ_DEVICE_LE_ONLY     = 0x03, //!< Initiates the procedure to delete the bond of the requesting device on LE transport.    NRF_BLE_BMS_OP_DEL_ALL_BONDS_ON_SERVER_BR_LE   = 0x04, //!< Initiates the procedure to delete all bonds on the device on BR/EDR and LE transports.    NRF_BLE_BMS_OP_DEL_ALL_BONDS_ON_SERVER_BR_ONLY = 0x05, //!< Initiates the procedure to delete all bonds on the device on BR/EDR transport.    NRF_BLE_BMS_OP_DEL_ALL_BONDS_ON_SERVER_LE_ONLY = 0x06, //!< Initiates the procedure to delete all bonds on the device on LE transport.    NRF_BLE_BMS_OP_DEL_ALL_BUT_ACTIVE_BOND_BR_LE   = 0x07, //!< Initiates the procedure to delete all bonds except for the one of the requesting device on BR/EDR and LE transports.    NRF_BLE_BMS_OP_DEL_ALL_BUT_ACTIVE_BOND_BR_ONLY = 0x08, //!< Initiates the procedure to delete all bonds except for the one of the requesting device on BR/EDR transport.    NRF_BLE_BMS_OP_DEL_ALL_BUT_ACTIVE_BOND_LE_ONLY = 0x09, //!< Initiates the procedure to delete all bonds except for the one of the requesting device on LE transport.    NRF_BLE_BMS_OP_NONE                            = 0xFF  //!< Indicates an invalid opcode or no pending opcode.} nrf_ble_bms_op_t;/**@brief   Authorization status values. */typedef enum{    NRF_BLE_BMS_AUTH_STATUS_ALLOWED, //!< Authorization is granted.    NRF_BLE_BMS_AUTH_STATUS_DENIED,  //!< Authorization is denied.    NRF_BLE_BMS_AUTH_STATUS_PENDING  //!< Authorization is pending.} nrf_ble_bms_auth_status_t;/**@brief   Received authorization codes. */typedef struct{    uint8_t  code[NRF_BLE_BMS_AUTH_CODE_MAX_LEN]; //!< Authorization code.    uint16_t len;                                 //!< Length of the authorization code.} nrf_ble_bms_auth_code_t;/**@brief   BMS event types. */typedef enum{    NRF_BLE_BMS_EVT_AUTH, //!< Event that indicates that the application shall verify the supplied authentication code.} nrf_ble_bms_evt_type_t;/**@brief   BMS events. */typedef struct{    nrf_ble_bms_evt_type_t  evt_type;  //!< Type of event.    nrf_ble_bms_auth_code_t auth_code; //!< Received authorization code.} nrf_ble_bms_evt_t;/**@brief   BMS control points. */typedef struct{    nrf_ble_bms_op_t        op_code;     //!< Control Point Op Code.    nrf_ble_bms_auth_code_t auth_code;   //!< Control Point Authorization Code.} nrf_ble_bms_ctrlpt_t;// Forward declaration of the nrf_ble_bms_t type.typedef struct nrf_ble_bms_s nrf_ble_bms_t;/**@brief   BMS event handler type. */typedef void (* nrf_ble_bms_bond_handler_t) (nrf_ble_bms_t const * p_bms);/**@brief   BMS bond management callbacks. */typedef struct{    nrf_ble_bms_bond_handler_t delete_requesting;            //!< Function to be called to delete the bonding information of the requesting device.    nrf_ble_bms_bond_handler_t delete_all;                   //!< Function to be called to delete the bonding information of all bonded devices.    nrf_ble_bms_bond_handler_t delete_all_except_requesting; //!< Function to be called to delete the bonding information of all bonded devices except for the requesting device.} nrf_ble_bms_bond_cbs_t;/**@brief   BMS event handler type. The event handler returns a @ref BLE_GATT_STATUS_CODES "BLE GATT status code". */typedef void (* ble_bms_evt_handler_t) (nrf_ble_bms_t * p_bms, nrf_ble_bms_evt_t * p_evt);/**@brief   BMS initialization structure that contains all information needed to initialize the service. */typedef struct{    ble_bms_evt_handler_t   evt_handler;         //!< Event handler to be called for handling events in the Bond Management Service.    ble_srv_error_handler_t error_handler;       //!< Function to be called if an error occurs.    nrf_ble_bms_features_t  feature;             //!< Initial value for features of the service.    security_req_t          bms_feature_sec_req; //!< Initial security level for the Feature characteristic.    security_req_t          bms_ctrlpt_sec_req;  //!< Initial security level for the Control Point characteristic.    nrf_ble_qwr_t         * p_qwr;               //!< Pointer to the initialized Queued Write context.    nrf_ble_bms_bond_cbs_t  bond_callbacks;      //!< Callback functions for deleting bonds.} nrf_ble_bms_init_t;/**@brief   Status information for the service. */struct nrf_ble_bms_s{    uint16_t                  service_handle;  //!< Handle of the Bond Management Service (as provided by the BLE stack).    uint16_t                  conn_handle;     //!< Handle of the current connection (as provided by the BLE stack). @ref BLE_CONN_HANDLE_INVALID if not in a connection.    ble_bms_evt_handler_t     evt_handler;     //!< Event handler to be called for handling events in the Bond Management Service.    ble_srv_error_handler_t   error_handler;   //!< Function to be called if an error occurs.    nrf_ble_bms_features_t    feature;         //!< Value for features of the service (see @ref NRF_BLE_BMS_FEATURES).    ble_gatts_char_handles_t  feature_handles; //!< Handles related to the Bond Management Feature characteristic.    ble_gatts_char_handles_t  ctrlpt_handles;  //!< Handles related to the Bond Management Control Point characteristic.    nrf_ble_bms_bond_cbs_t    bond_callbacks;  //!< Callback functions for deleting bonds.    nrf_ble_bms_auth_status_t auth_status;     //!< Authorization status.};/**@brief   Function for responding to an authorization request. * * @details This function should be called when receiving the @ref NRF_BLE_BMS_EVT_AUTH event to *          respond to the service with an authorization result. * * @param[in]   p_bms       BMS structure. * @param[in]   authorize   Authorization response. True if the authorization is considered successful. * * @retval  NRF_ERROR_NULL          If @p p_bms was NULL. * @retval  NRF_ERROR_INVALID_STATE If no authorization request was pending. * @retval  NRF_SUCCESS             If the response was received successfully. */ret_code_t nrf_ble_bms_auth_response(nrf_ble_bms_t * p_bms, bool authorize);/**@brief   Function for initializing the Bond Management Service. * * @param[out]  p_bms       BMS structure. * @param[in]   p_bms_init  Information needed to initialize the service. * * @retval NRF_ERROR_NULL   If @p p_bms or @p p_bms_init was NULL. * @retval NRF_SUCCESS      If the service was initialized successfully. *                          Otherwise, an error code is returned. */ret_code_t nrf_ble_bms_init(nrf_ble_bms_t * p_bms, nrf_ble_bms_init_t * p_bms_init);/**@brief   Function for assigning handles to the Bond Management Service instance. * * @details Call this function when a link with a peer has been established to *          associate the link to this instance of the module. * * @param[in]   p_bms       Pointer to the BMS structure instance to associate. * @param[in]   conn_handle Connection handle to be associated with the given BMS instance. * * @retval  NRF_ERROR_NULL  If @p p_bms was NULL. * @retval  NRF_SUCCESS     If the operation was successful. */ret_code_t nrf_ble_bms_set_conn_handle(nrf_ble_bms_t * p_bms, uint16_t conn_handle);/**@brief   Function for handling Bond Management BLE stack events. * * @details This function handles all events from the BLE stack that are of interest to the Bond Management Service. * * @param[in]   p_ble_evt   Event received from the BLE stack. * @param[in]   p_context   BMS structure. */void nrf_ble_bms_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context);/**@brief   Function for handling events from the @ref nrf_ble_qwr. * * @param[in]   p_bms   BMS structure. * @param[in]   p_qwr   Queued Write structure. * @param[in]   p_evt   Event received from the Queued Writes module. * * @retval BLE_GATT_STATUS_SUCCESS                    If the received event is accepted. * @retval NRF_BLE_QWR_REJ_REQUEST_ERR_CODE           If the received event is not relevant for any of this module's attributes. * @retval BLE_BMS_OPCODE_NOT_SUPPORTED               If the received opcode is not supported. * @retval BLE_GATT_STATUS_ATTERR_INSUF_AUTHORIZATION If the application handler returns that the authorization code is not valid. */uint16_t nrf_ble_bms_on_qwr_evt(nrf_ble_bms_t     * p_bms,                                nrf_ble_qwr_t     * p_qwr,                                nrf_ble_qwr_evt_t * p_evt);#ifdef __cplusplus}#endif#endif // NRF_BLE_BMS_H__/** @} */
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