diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_gatts_write.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_gatts_write.c | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_gatts_write.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_gatts_write.c new file mode 100644 index 0000000..8a66493 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_gatts_write.c @@ -0,0 +1,254 @@ +/** + * Copyright (c) 2016 - 2018, 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. + * + */ + +#include "es_gatts_write.h" +#include "es_adv.h" +#include "es_flash.h" +#include "es_gatts.h" +#include "es_security.h" + + +static ret_code_t send_write_reply(nrf_ble_escs_t * p_escs, ble_gatts_rw_authorize_reply_params_t * p_reply) +{ + VERIFY_PARAM_NOT_NULL(p_escs); + VERIFY_PARAM_NOT_NULL(p_reply); + + p_reply->type = BLE_GATTS_AUTHORIZE_TYPE_WRITE; + p_reply->params.write.update = 1; + p_reply->params.write.offset = 0; + + return es_gatts_send_reply(p_escs, p_reply); +} + + +/**@brief Function checking if length of event is correct, given the frame data. + * + * @param[in] p_data Written ADV Slot data. + * @param[in] length Written length. + * + * @retval true If length is valid. + * @retval false If length is not valid. + */ +static bool length_is_valid(uint8_t const * p_data, uint8_t length) +{ + if (length == 0 || (length == 1 && p_data[0] == 0)) + { + return true; + } + + else + { + switch ((es_frame_type_t)p_data[0]) + { + case ES_FRAME_TYPE_UID: + return length == ESCS_UID_WRITE_LENGTH; + + case ES_FRAME_TYPE_URL: + return ((length >= ESCS_URL_MIN_WRITE_LENGTH) && (length <= ESCS_URL_WRITE_LENGTH)); + + case ES_FRAME_TYPE_TLM: + return (length == ESCS_TLM_WRITE_LENGTH); + + case ES_FRAME_TYPE_EID: + return ((length == ESCS_EID_WRITE_ECDH_LENGTH) || + (length == ESCS_EID_WRITE_IDK_LENGTH)); + + default: + return false; + } + } +} + + +ret_code_t es_gatts_write_handle_unlocked_write(nrf_ble_escs_t * p_escs, + uint16_t uuid, + uint16_t val_handle, + uint8_t const * p_data, + uint16_t length, + uint8_t active_slot) +{ + VERIFY_PARAM_NOT_NULL(p_escs); + VERIFY_PARAM_NOT_NULL(p_data); + + ret_code_t err_code; + ble_gatts_rw_authorize_reply_params_t reply = {0}; + bool long_write = false; + + reply.params.write.gatt_status = BLE_GATT_STATUS_SUCCESS; + + switch (uuid) + { + case BLE_UUID_ESCS_ACTIVE_SLOT_CHAR: + if (*p_data > APP_MAX_ADV_SLOTS - 1) + { + // Invalid Attribute Length: for an attempt to write illegal values. + // The beacon will list the total number of available slots in the + // max_supported_total_slots field in the Capabilities characteristic. + reply.params.write.gatt_status = BLE_GATT_STATUS_ATTERR_INVALID_ATT_VAL_LENGTH; + length = 0; + } + break; + + case BLE_UUID_ESCS_ADV_INTERVAL_CHAR: + es_adv_interval_set(BYTES_SWAP_16BIT(*(nrf_ble_escs_adv_interval_t *)p_data)); + break; + + case BLE_UUID_ESCS_RADIO_TX_PWR_CHAR: + es_slot_radio_tx_pwr_set(active_slot, *(nrf_ble_escs_radio_tx_pwr_t *)(p_data)); + break; + + case BLE_UUID_ESCS_ADV_TX_PWR_CHAR: + // Update slot info so that ADV data will only be read from what is written by client. + es_slot_set_adv_custom_tx_power(active_slot, *(nrf_ble_escs_radio_tx_pwr_t *)(p_data)); + break; + + case BLE_UUID_ESCS_LOCK_STATE_CHAR: + if (length == 1 && (*p_data == NRF_BLE_ESCS_LOCK_BYTE_LOCK || + *p_data == NRF_BLE_ESCS_LOCK_BYTE_DISABLE_AUTO_RELOCK)) + { + // Do nothing special, allow the write. + } + else if (length == ESCS_LOCK_STATE_NEW_LOCK_CODE_WRITE_LENGTH && + *p_data == NRF_BLE_ESCS_LOCK_BYTE_LOCK) + { + // 0x00 + key[16] : transition to lock state and update the lock code. + err_code = es_security_lock_code_update((uint8_t*)(p_data) + 1); + RETURN_IF_ERROR(err_code); + + // Only write the lock byte (0x00) to the characteristic, so set length to 1. + length = 1; + } + else + { + // Any invalid values locks the characteristic by default. + (*(uint8_t*)p_data) = NRF_BLE_ESCS_LOCK_BYTE_LOCK; + length = 1; + } + break; + + case BLE_UUID_ESCS_RW_ADV_SLOT_CHAR: + if (length > 20) + { + long_write = true; + } + reply.params.write.gatt_status = length_is_valid(p_data, length) + ? BLE_GATT_STATUS_SUCCESS + : BLE_GATT_STATUS_ATTERR_INVALID_ATT_VAL_LENGTH; + + if (reply.params.write.gatt_status == BLE_GATT_STATUS_SUCCESS) + { + es_slot_on_write(active_slot, length, p_data); + es_adv_interval_set(es_adv_interval_get()); // Ensure that valid advertisement interval is used. + } + break; + + case BLE_UUID_ESCS_FACTORY_RESET_CHAR: + if (*p_data == 0x0B) + { + err_code = es_flash_factory_reset(); + RETURN_IF_ERROR(err_code); + } + break; + + case BLE_UUID_ESCS_REMAIN_CONNECTABLE_CHAR: +#if APP_IS_REMAIN_CONNECTABLE_SUPPORTED == ESCS_FUNCT_REMAIN_CONNECTABLE_SUPPORTED_Yes + if (*p_data != 0) + { + es_adv_remain_connectable_set(true); + } + + else + { + es_adv_remain_connectable_set(false); + } +#endif + break; + + default: + break; + } + reply.params.write.len = length; + reply.params.write.p_data = p_data; + + if (!long_write) + { + return send_write_reply(p_escs, &reply); + } + + else + { + return NRF_SUCCESS; + } +} + + +ret_code_t es_gatts_write_handle_unlock(nrf_ble_escs_t * p_escs, + uint8_t const * p_data, + uint16_t length, + uint16_t val_handle) +{ + VERIFY_PARAM_NOT_NULL(p_escs); + VERIFY_PARAM_NOT_NULL(p_data); + + ret_code_t err_code; + ble_gatts_rw_authorize_reply_params_t reply = {0}; + ble_gatts_value_t value = {.len = length, .offset = 0, .p_value = (uint8_t*)p_data}; + + if (length == ESCS_AES_KEY_SIZE) + { + err_code = sd_ble_gatts_value_set(p_escs->conn_handle, val_handle, &value); + + if (err_code == NRF_SUCCESS) + { + reply.params.write.gatt_status = BLE_GATT_STATUS_SUCCESS; + es_security_unlock_verify((value.p_value)); + } + + else + { + reply.params.write.gatt_status = BLE_GATT_STATUS_ATTERR_WRITE_NOT_PERMITTED; + } + } + + reply.params.write.len = length; + reply.params.write.p_data = (const uint8_t *)value.p_value; + + return send_write_reply(p_escs, &reply); +} |