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Fix data sanity check

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This commit is contained in:
Sgnusov
2023-08-17 11:13:28 +00:00
parent 997f58d0d0
commit 7e7abc50ea
1 changed files with 2 additions and 2 deletions
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firmware/application/src/app_cmd.c
+2 -2
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@@ -407,13 +407,13 @@ data_frame_tx_t* cmd_processor_get_mf1_detection_log(uint16_t cmd, uint16_t stat
data_frame_tx_t* cmd_processor_set_mf1_emulator_block(uint16_t cmd, uint16_t status, uint16_t length, uint8_t *data) {
if (length > 0 && (((length - 1) % NFC_TAG_MF1_DATA_SIZE) == 0)) {
uint8_t block_index = data[0];
uint8_t block_count = (length - 1) % NFC_TAG_MF1_DATA_SIZE;
uint8_t block_count = (length - 1) / NFC_TAG_MF1_DATA_SIZE;
if (block_index + block_count > NFC_TAG_MF1_BLOCK_MAX) {
status = STATUS_PAR_ERR;
} else {
tag_data_buffer_t* buffer = get_buffer_by_tag_type(TAG_TYPE_MIFARE_4096);
nfc_tag_mf1_information_t *info = (nfc_tag_mf1_information_t *)buffer->buffer;
for (int i = 1, j = block_index; i < length - 1; i += NFC_TAG_MF1_DATA_SIZE, j++) {
for (int i = 1, j = block_index; i < length; i += NFC_TAG_MF1_DATA_SIZE, j++) {
uint8_t *p_block = &data[i];
memcpy(info->memory[j], p_block, NFC_TAG_MF1_DATA_SIZE);
}