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feat(ota): Add OTA binary link address verify of ESP8285 or ESP8266 + 1MB flash

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This commit is contained in:
Dong Heng
2019-01-24 15:32:24 +08:00
parent df4c82f394
commit 2e9cb80033
3 changed files with 35 additions and 6 deletions
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29
components/app_update/esp_ota_ops.c
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@ -69,6 +69,28 @@ static ota_select s_ota_select[2];
const static char *TAG = "esp_ota_ops";
#ifndef CONFIG_ESP8266_BOOT_COPY_APP
static inline int esp_ota_verify_binary(const esp_partition_pos_t *pos, esp_image_header_t *image)
{
const int32_t entry = image->entry_addr - 0x40200010;
ESP_LOGD(TAG, "OTA binary start entry 0x%x, partition start from 0x%x to 0x%x\n", entry, pos->offset,
pos->offset + pos->size);
if (pos->offset + pos->size <= 0x100000) {
if (entry <= 0 || entry <= pos->offset || entry >= pos->offset + pos->size) {
const char *doc_str = "<<ESP8266_RTOS_SDK/examples/system/ota/README.md>>";
ESP_LOGE(TAG, "**Important**: The OTA binary link data is error, "
"please refer to document %s for how to generate OTA binaries", doc_str);
return ESP_ERR_INVALID_ARG;
}
}
return ESP_OK;
}
#endif
/* Return true if this is an OTA app partition */
static bool is_ota_partition(const esp_partition_t *p)
{
@ -244,6 +266,13 @@ esp_err_t esp_ota_end(esp_ota_handle_t handle)
goto cleanup;
}
#ifndef CONFIG_ESP8266_BOOT_COPY_APP
if (esp_ota_verify_binary(&part_pos, &data.image) != ESP_OK) {
ret = ESP_ERR_OTA_VALIDATE_FAILED;
goto cleanup;
}
#endif
#ifdef CONFIG_SECURE_BOOT_ENABLED
ret = esp_secure_boot_verify_signature(it->part->address, data.image_len);
if (ret != ESP_OK) {