/**@brief Function for handling the 'System Attributes Missing' event received from the
* SoftDevice.
*
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_sys_attr_missing(ble_evt_t * p_ble_evt)
{
uint32_t err_code;
if (
(m_master.bond.master_handle == INVALID_MASTER_HANDLE) ||
!ENCRYPTION_STATUS_GET() ||
BONDING_IN_PROGRESS_STATUS_GET()
)
{
err_code = sd_ble_gatts_sys_attr_set(m_conn_handle, NULL, 0);
}
else
{
// Current master is valid, use its data. Set the corresponding sys_attr.
err_code = master_sys_attr_set(&m_master);
if (err_code == NRF_SUCCESS)
{
// Set System Attributes loaded status variable.
m_sys_attr_loaded = true;
}
}
if (err_code != NRF_SUCCESS)
{
m_bondmngr_config.error_handler(err_code);
}
}
/**@brief Function for handling the Connection Security Update event received from the BLE
* stack.
*
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_sec_update(ble_gap_evt_conn_sec_update_t * p_sec_update)
{
uint8_t security_mode = p_sec_update->conn_sec.sec_mode.sm;
uint8_t security_level = p_sec_update->conn_sec.sec_mode.lv;
if (((security_mode == 1) && (security_level > 1)) ||
((security_mode == 2) && (security_level != 0)))
{
ENCRYPTION_STATUS_SET();
uint32_t err_code = master_sys_attr_set(&m_master);
if (err_code != NRF_SUCCESS)
{
m_bondmngr_config.error_handler(err_code);
}
else
{
m_sys_attr_loaded = true;
}
if (m_bondmngr_config.evt_handler != NULL)
{
ble_bondmngr_evt_t evt;
evt.evt_type = BLE_BONDMNGR_EVT_ENCRYPTED;
evt.master_handle = m_master.bond.master_handle;
evt.master_id = m_master.bond.master_id_info.div;
m_bondmngr_config.evt_handler(&evt);
}
}
}
/**@brief This function handles the connected event received from the BLE stack.
*
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_connect(ble_evt_t * p_ble_evt)
{
m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
m_master.bond.master_handle = INVALID_MASTER_HANDLE;
m_master.bond.master_addr = p_ble_evt->evt.gap_evt.params.connected.peer_addr;
m_master.sys_attr.sys_attr_size = 0;
if (p_ble_evt->evt.gap_evt.params.connected.irk_match)
{
uint8_t irk_idx = p_ble_evt->evt.gap_evt.params.connected.irk_match_idx;
if ((irk_idx >= MAX_NUM_MASTER_WHITE_LIST) ||
(m_whitelist_irk[irk_idx].master_handle >= BLE_BONDMNGR_MAX_BONDED_MASTERS))
{
m_bondmngr_config.error_handler(NRF_ERROR_INTERNAL);
}
else
{
m_master = m_masters_db[m_whitelist_irk[irk_idx].master_handle];
}
}
else
{
int i;
for (i = 0; i < m_addr_count; i++)
{
ble_gap_addr_t * p_cur_addr = m_whitelist_addr[i].p_addr;
if (memcmp(p_cur_addr->addr, m_master.bond.master_addr.addr, BLE_GAP_ADDR_LEN) == 0)
{
m_master = m_masters_db[m_whitelist_addr[i].master_handle];
break;
}
}
}
if (m_master.bond.master_handle != INVALID_MASTER_HANDLE)
{
uint32_t err_code = master_sys_attr_set(&m_master);
if (err_code != NRF_SUCCESS)
{
m_bondmngr_config.error_handler(err_code);
}
if (m_bondmngr_config.evt_handler != NULL)
{
ble_bondmngr_evt_t evt;
evt.evt_type = BLE_BONDMNGR_EVT_CONN_TO_BONDED_MASTER;
evt.master_handle = m_master.bond.master_handle;
evt.master_id = m_master.bond.master_id_info.div;
m_bondmngr_config.evt_handler(&evt);
}
}
}
/**@brief This function handles the 'System Attributes Missing' event received from the
* SoftDevice.
*
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_sys_attr_missing(ble_evt_t * p_ble_evt)
{
uint32_t err_code;
if (m_master.bond.master_handle == INVALID_MASTER_HANDLE)
{
err_code = sd_ble_gatts_sys_attr_set(m_conn_handle, NULL, 0);
}
else
{
// Current master is valid, use its data. Set the corresponding sys_attr.
err_code = master_sys_attr_set(&m_master);
}
if (err_code != NRF_SUCCESS)
{
m_bondmngr_config.error_handler(err_code);
}
}
/**@brief This function handles the Security Info Request event received from the BLE stack.
*
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_sec_info_request(ble_evt_t * p_ble_evt)
{
uint32_t err_code;
m_master.bond.master_id_info = p_ble_evt->evt.gap_evt.params.sec_info_request;
err_code = master_find_in_db(m_master.bond.master_id_info.div);
if (err_code == NRF_SUCCESS)
{
// Master found in the list of bonded master. Use the encryption info for this master.
err_code = sd_ble_gap_sec_info_reply(m_conn_handle,
&m_master.bond.auth_status.periph_keys.enc_info,
NULL);
if (err_code != NRF_SUCCESS)
{
m_bondmngr_config.error_handler(err_code);
}
// In addition set the corresponding sys_attr
err_code = master_sys_attr_set(&m_master);
}
else if (err_code == NRF_ERROR_NOT_FOUND)
{
// New master
err_code = sd_ble_gap_sec_info_reply(m_conn_handle, NULL, NULL);
if (err_code != NRF_SUCCESS)
{
m_bondmngr_config.error_handler(err_code);
}
// Initialize the sys_attr
err_code = sd_ble_gatts_sys_attr_set(m_conn_handle, NULL, 0);
}
if (err_code != NRF_SUCCESS)
{
m_bondmngr_config.error_handler(err_code);
}
}
/**@brief This function handles the Authentication Status event received from the BLE stack.
*
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_auth_status(ble_gap_evt_auth_status_t * p_auth_status)
{
if (p_auth_status->auth_status != BLE_GAP_SEC_STATUS_SUCCESS)
{
return;
}
if (m_master.bond.master_handle == INVALID_MASTER_HANDLE)
{
uint32_t err_code = master_find_in_db(p_auth_status->periph_keys.enc_info.div);
switch (err_code)
{
case NRF_SUCCESS:
// Master found in the list of bonded masters. Set the corresponding sys_attr.
err_code = master_sys_attr_set(&m_master);
break;
case NRF_ERROR_NOT_FOUND:
// Master not found, add new master
err_code = on_auth_status_from_new_master(p_auth_status);
break;
default:
break;
}
if (err_code != NRF_SUCCESS)
{
m_bondmngr_config.error_handler(err_code);
}
}
else
{
auth_status_update(p_auth_status);
}
}
