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Merge branch 'bugfix/replace_sizeof_with_strlen_v5.3' into 'release/v5.3'

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fix(nimble): Replaced incorrect sizeof with strnlen (v5.3)

See merge request espressif/esp-idf!37798
This commit is contained in:
Rahul Tank
2025-04-15 19:18:30 +08:00
parent 84c416079f b869b7fd87
commit c0935d4208
1 changed files with 19 additions and 11 deletions
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30
components/wifi_provisioning/src/scheme_ble.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2019-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2019-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -162,19 +162,27 @@ static esp_err_t set_config_service(void *config, const char *service_name, cons
}
/* Set manufacturer data if it is provided by app */
if (custom_manufacturer_data) {
size_t mfg_data_len = custom_manufacturer_data_len;
/* Manufacturer Data Length + 2 Byte header + BLE Device name + 2 Byte
* header <= 31 Bytes */
if (mfg_data_len > (MAX_BLE_MANUFACTURER_DATA_LEN - sizeof(ble_config->device_name) - 2)) {
ESP_LOGE(TAG, "Manufacturer data length is more than the max allowed size; expect truncated mfg_data ");
/* XXX Does it even make any sense to set truncated mfg_data ? The
* only reason to not return failure from here is provisioning
* should continue as it is with error prints for mfg_data length */
mfg_data_len = (size_t)(MAX_BLE_MANUFACTURER_DATA_LEN - sizeof(ble_config->device_name) - 2);
}
ble_config->manufacturer_data = custom_manufacturer_data;
ble_config->manufacturer_data_len = mfg_data_len;
size_t mfg_data_len = custom_manufacturer_data_len;
size_t dev_name_len = strnlen(ble_config->device_name, MAX_BLE_DEVNAME_LEN);
if ((dev_name_len + 2) >= MAX_BLE_MANUFACTURER_DATA_LEN) {
/* No space left for manufacturer data */
ESP_LOGE(TAG, "No space left for Manufacturer data ");
ble_config->manufacturer_data = NULL;
ble_config->manufacturer_data_len = 0;
} else {
if ((mfg_data_len + (dev_name_len ? (dev_name_len + 2) : 0)) > MAX_BLE_MANUFACTURER_DATA_LEN) {
ESP_LOGE(TAG, "Manufacturer data length is more than the max allowed size; expect truncated mfg_data ");
/* Truncate the mfg_data to fit in the available length */
mfg_data_len = MAX_BLE_MANUFACTURER_DATA_LEN - (dev_name_len ? (dev_name_len + 2) : 0);
}
ble_config->manufacturer_data = custom_manufacturer_data;
ble_config->manufacturer_data_len = mfg_data_len;
}
} else {
ble_config->manufacturer_data = NULL;
ble_config->manufacturer_data_len = 0;