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fix(esp_https_ota): handle invalid range condition for OTA resumption case

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Mahavir Jain
2025-01-23 10:25:53 +05:30
parent 5c5df89950
commit 89a96905c4
3 changed files with 31 additions and 0 deletions
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25
components/esp_https_ota/src/esp_https_ota.c
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@@ -108,6 +108,9 @@ static esp_err_t _http_handle_response_code(esp_https_ota_t *https_ota_handle, i
} else if (status_code == HttpStatus_NotModified) {
ESP_LOGI(TAG, "OTA image not modified since last request (status code: %d)", status_code);
return ESP_ERR_HTTP_NOT_MODIFIED;
} else if (status_code == HttpStatus_RangeNotSatisfiable) {
ESP_LOGI(TAG, "Requested range is incorrect (status code: %d)", status_code);
return ESP_ERR_HTTP_RANGE_NOT_SATISFIABLE;
} else if (status_code == HttpStatus_Unauthorized) {
if (https_ota_handle->max_authorization_retries == 0) {
ESP_LOGE(TAG, "Reached max_authorization_retries (%d)", status_code);
@@ -402,6 +405,28 @@ esp_err_t esp_https_ota_begin(const esp_https_ota_config_t *ota_config, esp_http
}
err = _http_connect(https_ota_handle);
if (err == ESP_ERR_HTTP_RANGE_NOT_SATISFIABLE && https_ota_handle->binary_file_len > 0) {
ESP_LOGE(TAG, "OTA resumption failed with err: %d", err);
ESP_LOGI(TAG, "Restarting download from beginning");
https_ota_handle->binary_file_len = 0;
// If range in request header is not satisfiable, restart download from beginning
esp_http_client_delete_header(https_ota_handle->http_client, "Range");
if (https_ota_handle->partial_http_download && https_ota_handle->image_length > https_ota_handle->max_http_request_size) {
char *header_val = NULL;
asprintf(&header_val, "bytes=0-%d", https_ota_handle->max_http_request_size - 1);
if (header_val == NULL) {
ESP_LOGE(TAG, "Failed to allocate memory for HTTP header");
err = ESP_ERR_NO_MEM;
goto http_cleanup;
}
esp_http_client_set_header(https_ota_handle->http_client, "Range", header_val);
free(header_val);
}
err = _http_connect(https_ota_handle);
}
if (err != ESP_OK) {
if (err != ESP_ERR_HTTP_NOT_MODIFIED) {
ESP_LOGE(TAG, "Failed to establish HTTP connection");