76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
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#include "ota.h"
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#include "esp_partition.h"
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#include "esp_ota_ops.h"
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#include "esp_flash_partitions.h"
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#define CONFIG_SYS_LOG_LEVEL SYS_LOG_LEVEL_WRN
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#define SYS_LOG_DOMAIN "OTA"
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#define CONS_ABORT()
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#include "sys_log.h"
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#define HASH_LEN 32 /* SHA-256 digest length */
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static void _print_sha256(const uint8_t *image_hash, const char *label)
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{
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char hash_print[HASH_LEN * 2 + 1];
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hash_print[HASH_LEN * 2] = 0;
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for (int i = 0; i < HASH_LEN; ++i)
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{
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sprintf(&hash_print[i * 2], "%02x", image_hash[i]);
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}
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SYS_LOG_INF("%s %s", label, hash_print);
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}
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void ota_partition_check()
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{
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uint8_t sha_256[HASH_LEN] = {0};
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esp_partition_t partition;
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// get sha256 digest for the partition table
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partition.address = ESP_PARTITION_TABLE_OFFSET;
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partition.size = ESP_PARTITION_TABLE_MAX_LEN;
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partition.type = ESP_PARTITION_TYPE_DATA;
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esp_partition_get_sha256(&partition, sha_256);
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_print_sha256(sha_256, "SHA-256 for the partition table:");
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// get sha256 digest for bootloader
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partition.address = ESP_BOOTLOADER_OFFSET;
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partition.size = ESP_PARTITION_TABLE_OFFSET;
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partition.type = ESP_PARTITION_TYPE_APP;
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esp_partition_get_sha256(&partition, sha_256);
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_print_sha256(sha_256, "SHA-256 for bootloader: ");
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// get sha256 digest for running partition
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esp_partition_get_sha256(esp_ota_get_running_partition(), sha_256);
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_print_sha256(sha_256, "SHA-256 for current firmware: ");
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const esp_partition_t *running = esp_ota_get_running_partition();
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esp_ota_img_states_t ota_state;
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if (esp_ota_get_state_partition(running, &ota_state) == ESP_OK)
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{
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if (ota_state == ESP_OTA_IMG_PENDING_VERIFY)
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{
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// run diagnostic function ...
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bool diagnostic_is_ok = true; // diagnostic();
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if (diagnostic_is_ok)
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{
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SYS_LOG_INF("Diagnostics completed successfully! Continuing execution ...");
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esp_ota_mark_app_valid_cancel_rollback();
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}
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else
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{
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SYS_LOG_ERR("Diagnostics failed! Start rollback to the previous version ...");
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esp_ota_mark_app_invalid_rollback_and_reboot();
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}
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}
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else
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{
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SYS_LOG_INF("");
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}
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}
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else
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{
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SYS_LOG_INF("");
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}
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}
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