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[FL-1526] Mifare Ultralight emulation (#645)

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* rfal: add discovery parameter for passing listen activation
* nfc: add discovery parameter to furi_hal_nfc_listen
* mifare_ul: add emulation parsing commands
* nfc: add mifare ul emulation
* nfc: switch to mifare ultralight emulation form menu
* furi-hal-nfc: add first frame reception in emulation mode
* nfc: change argument check
* nfc: rework nfc worker and mifare ul lib
* mifare_ul: add write and cnt increment commands
* nfc: add card modification check
* mifare_ul: add data changed flag
* nfc: add shodow files
* nfc: add restore original file

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
gornekich
2021-08-17 00:45:04 +03:00
committed by GitHub
parent e1d80d5402
commit c122317468
16 changed files with 354 additions and 69 deletions
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55
applications/nfc/nfc_worker.c
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@@ -143,7 +143,7 @@ void nfc_worker_detect(NfcWorker* nfc_worker) {
void nfc_worker_emulate(NfcWorker* nfc_worker) {
NfcDeviceCommomData* data = &nfc_worker->dev_data->nfc_data;
while(nfc_worker->state == NfcWorkerStateEmulate) {
if(furi_hal_nfc_listen(data->uid, data->uid_len, data->atqa, data->sak, 100)) {
if(furi_hal_nfc_listen(data->uid, data->uid_len, data->atqa, data->sak, false, 100)) {
FURI_LOG_I(NFC_WORKER_TAG, "Reader detected");
}
osDelay(10);
@@ -406,7 +406,7 @@ void nfc_worker_emulate_apdu(NfcWorker* nfc_worker) {
0x00, 0x00};
while(nfc_worker->state == NfcWorkerStateEmulateApdu) {
if(furi_hal_nfc_listen(params.uid, params.uid_len, params.atqa, params.sak, 300)) {
if(furi_hal_nfc_listen(params.uid, params.uid_len, params.atqa, params.sak, false, 300)) {
FURI_LOG_I(NFC_WORKER_TAG, "POS terminal detected");
// Read data from POS terminal
err = furi_hal_nfc_data_exchange(NULL, 0, &rx_buff, &rx_len, false);
@@ -608,33 +608,52 @@ void nfc_worker_emulate_mifare_ul(NfcWorker* nfc_worker) {
uint8_t* rx_buff;
uint16_t* rx_len;
NfcDeviceData* data = nfc_worker->dev_data;
MifareUlDevice mf_ul_emulate;
// Setup emulation parameters from mifare ultralight data structure
mf_ul_prepare_emulation(&mf_ul_emulate, &data->mf_ul_data);
while(nfc_worker->state == NfcWorkerStateEmulateMifareUl) {
if(furi_hal_nfc_listen(
data->nfc_data.uid,
data->nfc_data.uid_len,
data->nfc_data.atqa,
data->nfc_data.sak,
1000)) {
FURI_LOG_I(NFC_WORKER_TAG, "Hello my dudes");
// Prepare version answer
tx_len = sizeof(data->mf_ul_data.version);
memcpy(tx_buff, &data->mf_ul_data.version, tx_len);
err = furi_hal_nfc_data_exchange(tx_buff, tx_len, &rx_buff, &rx_len, false);
if(err == ERR_NONE) {
FURI_LOG_I(NFC_WORKER_TAG, "Received 1st message:");
for(uint16_t i = 0; i < *rx_len; i++) {
printf("%02X ", rx_buff[i]);
true,
200)) {
FURI_LOG_D(NFC_WORKER_TAG, "Anticollision passed");
if(furi_hal_nfc_get_first_frame(&rx_buff, &rx_len)) {
// Data exchange loop
while(nfc_worker->state == NfcWorkerStateEmulateMifareUl) {
tx_len = mf_ul_prepare_emulation_response(
rx_buff, *rx_len, tx_buff, &mf_ul_emulate);
if(tx_len > 0) {
err =
furi_hal_nfc_data_exchange(tx_buff, tx_len, &rx_buff, &rx_len, false);
if(err == ERR_NONE) {
continue;
} else {
FURI_LOG_E(NFC_WORKER_TAG, "Communication error: %d", err);
break;
}
} else {
FURI_LOG_W(NFC_WORKER_TAG, "Not valid command: %02X", rx_buff[0]);
furi_hal_nfc_deactivate();
break;
}
}
printf("\r\n");
} else {
FURI_LOG_E(NFC_WORKER_TAG, "Error in 1st data exchange: select PPSE");
FURI_LOG_W(NFC_WORKER_TAG, "Error in 1st data exchange");
furi_hal_nfc_deactivate();
continue;
}
}
FURI_LOG_W(NFC_WORKER_TAG, "Hello my dudes");
osDelay(10);
// Check if data was modified
if(mf_ul_emulate.data_changed) {
nfc_worker->dev_data->mf_ul_data = mf_ul_emulate.data;
if(nfc_worker->callback) {
nfc_worker->callback(nfc_worker->context);
}
}
FURI_LOG_W(NFC_WORKER_TAG, "Can't find reader");
osThreadYield();
}
}