* nfc: remove read emv from extra actions * nfc: remove read emv Co-authored-by: あく <alleteam@gmail.com>
		
			
				
	
	
		
			1058 lines
		
	
	
		
			42 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1058 lines
		
	
	
		
			42 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include "nfc_worker_i.h"
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#include <furi_hal.h>
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#include <platform.h>
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#include "parsers/nfc_supported_card.h"
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#define TAG "NfcWorker"
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/***************************** NFC Worker API *******************************/
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NfcWorker* nfc_worker_alloc() {
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    NfcWorker* nfc_worker = malloc(sizeof(NfcWorker));
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    // Worker thread attributes
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    nfc_worker->thread = furi_thread_alloc_ex("NfcWorker", 8192, nfc_worker_task, nfc_worker);
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    nfc_worker->callback = NULL;
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    nfc_worker->context = NULL;
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    nfc_worker->storage = furi_record_open(RECORD_STORAGE);
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    // Initialize rfal
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    while(furi_hal_nfc_is_busy()) {
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        furi_delay_ms(10);
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    }
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    nfc_worker_change_state(nfc_worker, NfcWorkerStateReady);
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    nfc_worker->reader_analyzer = reader_analyzer_alloc(nfc_worker->storage);
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    return nfc_worker;
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}
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void nfc_worker_free(NfcWorker* nfc_worker) {
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    furi_assert(nfc_worker);
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    furi_thread_free(nfc_worker->thread);
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    furi_record_close(RECORD_STORAGE);
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    reader_analyzer_free(nfc_worker->reader_analyzer);
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    free(nfc_worker);
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}
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NfcWorkerState nfc_worker_get_state(NfcWorker* nfc_worker) {
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    return nfc_worker->state;
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}
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void nfc_worker_start(
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    NfcWorker* nfc_worker,
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    NfcWorkerState state,
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    NfcDeviceData* dev_data,
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    NfcWorkerCallback callback,
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    void* context) {
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    furi_assert(nfc_worker);
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    furi_assert(dev_data);
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    while(furi_hal_nfc_is_busy()) {
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        furi_delay_ms(10);
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    }
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    furi_hal_nfc_deinit();
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    furi_hal_nfc_init();
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    nfc_worker->callback = callback;
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    nfc_worker->context = context;
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    nfc_worker->dev_data = dev_data;
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    nfc_worker_change_state(nfc_worker, state);
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    furi_thread_start(nfc_worker->thread);
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}
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void nfc_worker_stop(NfcWorker* nfc_worker) {
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    furi_assert(nfc_worker);
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    furi_assert(nfc_worker->thread);
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    if(furi_thread_get_state(nfc_worker->thread) != FuriThreadStateStopped) {
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        furi_hal_nfc_stop();
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        nfc_worker_change_state(nfc_worker, NfcWorkerStateStop);
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        furi_thread_join(nfc_worker->thread);
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    }
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}
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void nfc_worker_change_state(NfcWorker* nfc_worker, NfcWorkerState state) {
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    nfc_worker->state = state;
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}
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/***************************** NFC Worker Thread *******************************/
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int32_t nfc_worker_task(void* context) {
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    NfcWorker* nfc_worker = context;
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    furi_hal_nfc_exit_sleep();
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    if(nfc_worker->state == NfcWorkerStateRead) {
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        if(nfc_worker->dev_data->read_mode == NfcReadModeAuto) {
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            nfc_worker_read(nfc_worker);
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        } else {
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            nfc_worker_read_type(nfc_worker);
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        }
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    } else if(nfc_worker->state == NfcWorkerStateUidEmulate) {
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        nfc_worker_emulate_uid(nfc_worker);
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    } else if(nfc_worker->state == NfcWorkerStateEmulateApdu) {
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        nfc_worker_emulate_apdu(nfc_worker);
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    } else if(nfc_worker->state == NfcWorkerStateMfUltralightEmulate) {
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        nfc_worker_emulate_mf_ultralight(nfc_worker);
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    } else if(nfc_worker->state == NfcWorkerStateMfClassicEmulate) {
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        nfc_worker_emulate_mf_classic(nfc_worker);
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    } else if(nfc_worker->state == NfcWorkerStateMfClassicWrite) {
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        nfc_worker_write_mf_classic(nfc_worker);
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    } else if(nfc_worker->state == NfcWorkerStateMfClassicUpdate) {
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        nfc_worker_update_mf_classic(nfc_worker);
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    } else if(nfc_worker->state == NfcWorkerStateReadMfUltralightReadAuth) {
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        nfc_worker_mf_ultralight_read_auth(nfc_worker);
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    } else if(nfc_worker->state == NfcWorkerStateMfClassicDictAttack) {
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        nfc_worker_mf_classic_dict_attack(nfc_worker);
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    } else if(nfc_worker->state == NfcWorkerStateAnalyzeReader) {
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        nfc_worker_analyze_reader(nfc_worker);
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    }
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    furi_hal_nfc_sleep();
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    nfc_worker_change_state(nfc_worker, NfcWorkerStateReady);
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    return 0;
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}
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static bool nfc_worker_read_mf_ultralight(NfcWorker* nfc_worker, FuriHalNfcTxRxContext* tx_rx) {
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    bool read_success = false;
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    MfUltralightReader reader = {};
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    MfUltralightData data = {};
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    if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
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        reader_analyzer_prepare_tx_rx(nfc_worker->reader_analyzer, tx_rx, false);
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        reader_analyzer_start(nfc_worker->reader_analyzer, ReaderAnalyzerModeDebugLog);
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    }
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    do {
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        // Try to read supported card
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        FURI_LOG_I(TAG, "Trying to read a supported card ...");
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        for(size_t i = 0; i < NfcSupportedCardTypeEnd; i++) {
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            if(nfc_supported_card[i].protocol == NfcDeviceProtocolMifareUl) {
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                if(nfc_supported_card[i].verify(nfc_worker, tx_rx)) {
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                    if(nfc_supported_card[i].read(nfc_worker, tx_rx)) {
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                        read_success = true;
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                        nfc_supported_card[i].parse(nfc_worker->dev_data);
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                        break;
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                    }
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                } else {
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                    furi_hal_nfc_sleep();
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                }
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            }
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        }
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        if(read_success) break;
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        furi_hal_nfc_sleep();
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        // Otherwise, try to read as usual
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        if(!furi_hal_nfc_detect(&nfc_worker->dev_data->nfc_data, 200)) break;
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        if(!mf_ul_read_card(tx_rx, &reader, &data)) break;
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        // Copy data
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        nfc_worker->dev_data->mf_ul_data = data;
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        read_success = true;
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    } while(false);
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    if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
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        reader_analyzer_stop(nfc_worker->reader_analyzer);
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    }
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    return read_success;
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}
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static bool nfc_worker_read_mf_classic(NfcWorker* nfc_worker, FuriHalNfcTxRxContext* tx_rx) {
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    furi_assert(nfc_worker->callback);
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    bool read_success = false;
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    if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
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        reader_analyzer_prepare_tx_rx(nfc_worker->reader_analyzer, tx_rx, false);
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        reader_analyzer_start(nfc_worker->reader_analyzer, ReaderAnalyzerModeDebugLog);
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    }
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    do {
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        // Try to read supported card
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        FURI_LOG_I(TAG, "Trying to read a supported card ...");
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        for(size_t i = 0; i < NfcSupportedCardTypeEnd; i++) {
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            if(nfc_supported_card[i].protocol == NfcDeviceProtocolMifareClassic) {
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                if(nfc_supported_card[i].verify(nfc_worker, tx_rx)) {
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                    if(nfc_supported_card[i].read(nfc_worker, tx_rx)) {
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                        read_success = true;
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                        nfc_supported_card[i].parse(nfc_worker->dev_data);
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                        break;
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                    }
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                } else {
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                    furi_hal_nfc_sleep();
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                }
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            }
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        }
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        if(read_success) break;
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        // Try to read card with key cache
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        FURI_LOG_I(TAG, "Search for key cache ...");
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        if(nfc_worker->callback(NfcWorkerEventReadMfClassicLoadKeyCache, nfc_worker->context)) {
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            FURI_LOG_I(TAG, "Load keys cache success. Start reading");
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            uint8_t sectors_read =
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                mf_classic_update_card(tx_rx, &nfc_worker->dev_data->mf_classic_data);
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            uint8_t sectors_total =
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                mf_classic_get_total_sectors_num(nfc_worker->dev_data->mf_classic_data.type);
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            FURI_LOG_I(TAG, "Read %d sectors out of %d total", sectors_read, sectors_total);
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            read_success = mf_classic_is_card_read(&nfc_worker->dev_data->mf_classic_data);
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        }
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    } while(false);
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    if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
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        reader_analyzer_stop(nfc_worker->reader_analyzer);
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    }
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    return read_success;
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}
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static bool nfc_worker_read_mf_desfire(NfcWorker* nfc_worker, FuriHalNfcTxRxContext* tx_rx) {
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    bool read_success = false;
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    MifareDesfireData* data = &nfc_worker->dev_data->mf_df_data;
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    if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
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        reader_analyzer_prepare_tx_rx(nfc_worker->reader_analyzer, tx_rx, false);
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        reader_analyzer_start(nfc_worker->reader_analyzer, ReaderAnalyzerModeDebugLog);
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    }
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    do {
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        if(!furi_hal_nfc_detect(&nfc_worker->dev_data->nfc_data, 300)) break;
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        if(!mf_df_read_card(tx_rx, data)) break;
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        read_success = true;
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    } while(false);
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    if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
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        reader_analyzer_stop(nfc_worker->reader_analyzer);
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    }
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    return read_success;
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}
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static bool nfc_worker_read_nfca(NfcWorker* nfc_worker, FuriHalNfcTxRxContext* tx_rx) {
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    FuriHalNfcDevData* nfc_data = &nfc_worker->dev_data->nfc_data;
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    bool card_read = false;
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    furi_hal_nfc_sleep();
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    if(mf_ul_check_card_type(nfc_data->atqa[0], nfc_data->atqa[1], nfc_data->sak)) {
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        FURI_LOG_I(TAG, "Mifare Ultralight / NTAG detected");
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        nfc_worker->dev_data->protocol = NfcDeviceProtocolMifareUl;
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        card_read = nfc_worker_read_mf_ultralight(nfc_worker, tx_rx);
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    } else if(mf_classic_check_card_type(nfc_data->atqa[0], nfc_data->atqa[1], nfc_data->sak)) {
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        FURI_LOG_I(TAG, "Mifare Classic detected");
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        nfc_worker->dev_data->protocol = NfcDeviceProtocolMifareClassic;
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        nfc_worker->dev_data->mf_classic_data.type =
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            mf_classic_get_classic_type(nfc_data->atqa[0], nfc_data->atqa[1], nfc_data->sak);
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        card_read = nfc_worker_read_mf_classic(nfc_worker, tx_rx);
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    } else if(mf_df_check_card_type(nfc_data->atqa[0], nfc_data->atqa[1], nfc_data->sak)) {
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        FURI_LOG_I(TAG, "Mifare DESFire detected");
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        nfc_worker->dev_data->protocol = NfcDeviceProtocolMifareDesfire;
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        if(!nfc_worker_read_mf_desfire(nfc_worker, tx_rx)) {
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            FURI_LOG_I(TAG, "Unknown card. Save UID");
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            nfc_worker->dev_data->protocol = NfcDeviceProtocolUnknown;
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        }
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        card_read = true;
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    } else {
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        nfc_worker->dev_data->protocol = NfcDeviceProtocolUnknown;
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        card_read = true;
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    }
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    return card_read;
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}
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void nfc_worker_read(NfcWorker* nfc_worker) {
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    furi_assert(nfc_worker);
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    furi_assert(nfc_worker->callback);
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    nfc_device_data_clear(nfc_worker->dev_data);
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    NfcDeviceData* dev_data = nfc_worker->dev_data;
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    FuriHalNfcDevData* nfc_data = &nfc_worker->dev_data->nfc_data;
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    FuriHalNfcTxRxContext tx_rx = {};
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    NfcWorkerEvent event = 0;
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    bool card_not_detected_notified = false;
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    while(nfc_worker->state == NfcWorkerStateRead) {
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        if(furi_hal_nfc_detect(nfc_data, 300)) {
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            // Process first found device
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            nfc_worker->callback(NfcWorkerEventCardDetected, nfc_worker->context);
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            card_not_detected_notified = false;
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            if(nfc_data->type == FuriHalNfcTypeA) {
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                if(nfc_worker_read_nfca(nfc_worker, &tx_rx)) {
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                    if(dev_data->protocol == NfcDeviceProtocolMifareUl) {
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                        event = NfcWorkerEventReadMfUltralight;
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                        break;
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                    } else if(dev_data->protocol == NfcDeviceProtocolMifareClassic) {
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                        event = NfcWorkerEventReadMfClassicDone;
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                        break;
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                    } else if(dev_data->protocol == NfcDeviceProtocolMifareDesfire) {
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                        event = NfcWorkerEventReadMfDesfire;
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                        break;
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                    } else if(dev_data->protocol == NfcDeviceProtocolUnknown) {
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                        event = NfcWorkerEventReadUidNfcA;
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                        break;
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                    }
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                } else {
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                    if(dev_data->protocol == NfcDeviceProtocolMifareClassic) {
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                        event = NfcWorkerEventReadMfClassicDictAttackRequired;
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                        break;
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                    }
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                }
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            } else if(nfc_data->type == FuriHalNfcTypeB) {
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                event = NfcWorkerEventReadUidNfcB;
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                break;
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            } else if(nfc_data->type == FuriHalNfcTypeF) {
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                event = NfcWorkerEventReadUidNfcF;
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                break;
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            } else if(nfc_data->type == FuriHalNfcTypeV) {
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                event = NfcWorkerEventReadUidNfcV;
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                break;
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            }
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        } else {
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            if(!card_not_detected_notified) {
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                nfc_worker->callback(NfcWorkerEventNoCardDetected, nfc_worker->context);
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                card_not_detected_notified = true;
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            }
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        }
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        furi_hal_nfc_sleep();
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        furi_delay_ms(100);
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    }
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    // Notify caller and exit
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    if(event > NfcWorkerEventReserved) {
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        nfc_worker->callback(event, nfc_worker->context);
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    }
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}
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void nfc_worker_read_type(NfcWorker* nfc_worker) {
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    furi_assert(nfc_worker);
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    furi_assert(nfc_worker->callback);
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    NfcReadMode read_mode = nfc_worker->dev_data->read_mode;
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    nfc_device_data_clear(nfc_worker->dev_data);
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    NfcDeviceData* dev_data = nfc_worker->dev_data;
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    FuriHalNfcDevData* nfc_data = &nfc_worker->dev_data->nfc_data;
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    FuriHalNfcTxRxContext tx_rx = {};
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    NfcWorkerEvent event = 0;
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    bool card_not_detected_notified = false;
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    while(nfc_worker->state == NfcWorkerStateRead) {
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        if(furi_hal_nfc_detect(nfc_data, 300)) {
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            FURI_LOG_D(TAG, "Card detected");
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            furi_hal_nfc_sleep();
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            // Process first found device
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            nfc_worker->callback(NfcWorkerEventCardDetected, nfc_worker->context);
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            card_not_detected_notified = false;
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            if(nfc_data->type == FuriHalNfcTypeA) {
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                if(read_mode == NfcReadModeMfClassic) {
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                    nfc_worker->dev_data->protocol = NfcDeviceProtocolMifareClassic;
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                    nfc_worker->dev_data->mf_classic_data.type = mf_classic_get_classic_type(
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                        nfc_data->atqa[0], nfc_data->atqa[1], nfc_data->sak);
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                    if(nfc_worker_read_mf_classic(nfc_worker, &tx_rx)) {
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                        FURI_LOG_D(TAG, "Card read");
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                        dev_data->protocol = NfcDeviceProtocolMifareClassic;
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                        event = NfcWorkerEventReadMfClassicDone;
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                        break;
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                    } else {
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                        FURI_LOG_D(TAG, "Card read failed");
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                        dev_data->protocol = NfcDeviceProtocolMifareClassic;
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                        event = NfcWorkerEventReadMfClassicDictAttackRequired;
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                        break;
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                    }
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                } else if(read_mode == NfcReadModeMfUltralight) {
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                    FURI_LOG_I(TAG, "Mifare Ultralight / NTAG");
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                    nfc_worker->dev_data->protocol = NfcDeviceProtocolMifareUl;
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                    if(nfc_worker_read_mf_ultralight(nfc_worker, &tx_rx)) {
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                        event = NfcWorkerEventReadMfUltralight;
 | 
						|
                        break;
 | 
						|
                    }
 | 
						|
                } else if(read_mode == NfcReadModeMfDesfire) {
 | 
						|
                    nfc_worker->dev_data->protocol = NfcDeviceProtocolMifareDesfire;
 | 
						|
                    if(nfc_worker_read_mf_desfire(nfc_worker, &tx_rx)) {
 | 
						|
                        event = NfcWorkerEventReadMfDesfire;
 | 
						|
                        break;
 | 
						|
                    }
 | 
						|
                } else if(read_mode == NfcReadModeNFCA) {
 | 
						|
                    nfc_worker->dev_data->protocol = NfcDeviceProtocolUnknown;
 | 
						|
                    event = NfcWorkerEventReadUidNfcA;
 | 
						|
                    break;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            if(!card_not_detected_notified) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventNoCardDetected, nfc_worker->context);
 | 
						|
                card_not_detected_notified = true;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        furi_hal_nfc_sleep();
 | 
						|
        furi_delay_ms(100);
 | 
						|
    }
 | 
						|
    // Notify caller and exit
 | 
						|
    if(event > NfcWorkerEventReserved) {
 | 
						|
        nfc_worker->callback(event, nfc_worker->context);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
void nfc_worker_emulate_uid(NfcWorker* nfc_worker) {
 | 
						|
    FuriHalNfcTxRxContext tx_rx = {};
 | 
						|
    FuriHalNfcDevData* data = &nfc_worker->dev_data->nfc_data;
 | 
						|
    NfcReaderRequestData* reader_data = &nfc_worker->dev_data->reader_data;
 | 
						|
 | 
						|
    // TODO add support for RATS
 | 
						|
    // Need to save ATS to support ISO-14443A-4 emulation
 | 
						|
 | 
						|
    while(nfc_worker->state == NfcWorkerStateUidEmulate) {
 | 
						|
        if(furi_hal_nfc_listen(data->uid, data->uid_len, data->atqa, data->sak, false, 100)) {
 | 
						|
            if(furi_hal_nfc_tx_rx(&tx_rx, 100)) {
 | 
						|
                reader_data->size = tx_rx.rx_bits / 8;
 | 
						|
                if(reader_data->size > 0) {
 | 
						|
                    memcpy(reader_data->data, tx_rx.rx_data, reader_data->size);
 | 
						|
                    if(nfc_worker->callback) {
 | 
						|
                        nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            } else {
 | 
						|
                FURI_LOG_E(TAG, "Failed to get reader commands");
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
void nfc_worker_emulate_apdu(NfcWorker* nfc_worker) {
 | 
						|
    FuriHalNfcTxRxContext tx_rx = {};
 | 
						|
    FuriHalNfcDevData params = {
 | 
						|
        .uid = {0xCF, 0x72, 0xd4, 0x40},
 | 
						|
        .uid_len = 4,
 | 
						|
        .atqa = {0x00, 0x04},
 | 
						|
        .sak = 0x20,
 | 
						|
        .type = FuriHalNfcTypeA,
 | 
						|
    };
 | 
						|
 | 
						|
    if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
 | 
						|
        reader_analyzer_prepare_tx_rx(nfc_worker->reader_analyzer, &tx_rx, true);
 | 
						|
        reader_analyzer_start(nfc_worker->reader_analyzer, ReaderAnalyzerModeDebugLog);
 | 
						|
    }
 | 
						|
 | 
						|
    while(nfc_worker->state == NfcWorkerStateEmulateApdu) { //-V1044
 | 
						|
        if(furi_hal_nfc_listen(params.uid, params.uid_len, params.atqa, params.sak, false, 300)) {
 | 
						|
            FURI_LOG_D(TAG, "POS terminal detected");
 | 
						|
            if(emv_card_emulation(&tx_rx)) {
 | 
						|
                FURI_LOG_D(TAG, "EMV card emulated");
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            FURI_LOG_D(TAG, "Can't find reader");
 | 
						|
        }
 | 
						|
        furi_hal_nfc_sleep();
 | 
						|
        furi_delay_ms(20);
 | 
						|
    }
 | 
						|
 | 
						|
    if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
 | 
						|
        reader_analyzer_stop(nfc_worker->reader_analyzer);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
void nfc_worker_mf_ultralight_auth_received_callback(MfUltralightAuth auth, void* context) {
 | 
						|
    furi_assert(context);
 | 
						|
 | 
						|
    NfcWorker* nfc_worker = context;
 | 
						|
    nfc_worker->dev_data->mf_ul_auth = auth;
 | 
						|
    if(nfc_worker->callback) {
 | 
						|
        nfc_worker->callback(NfcWorkerEventMfUltralightPwdAuth, nfc_worker->context);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
void nfc_worker_emulate_mf_ultralight(NfcWorker* nfc_worker) {
 | 
						|
    FuriHalNfcDevData* nfc_data = &nfc_worker->dev_data->nfc_data;
 | 
						|
    MfUltralightEmulator emulator = {};
 | 
						|
    mf_ul_prepare_emulation(&emulator, &nfc_worker->dev_data->mf_ul_data);
 | 
						|
 | 
						|
    // TODO rework with reader analyzer
 | 
						|
    emulator.auth_received_callback = nfc_worker_mf_ultralight_auth_received_callback;
 | 
						|
    emulator.context = nfc_worker;
 | 
						|
 | 
						|
    while(nfc_worker->state == NfcWorkerStateMfUltralightEmulate) {
 | 
						|
        mf_ul_reset_emulation(&emulator, true);
 | 
						|
        furi_hal_nfc_emulate_nfca(
 | 
						|
            nfc_data->uid,
 | 
						|
            nfc_data->uid_len,
 | 
						|
            nfc_data->atqa,
 | 
						|
            nfc_data->sak,
 | 
						|
            mf_ul_prepare_emulation_response,
 | 
						|
            &emulator,
 | 
						|
            5000);
 | 
						|
        // Check if data was modified
 | 
						|
        if(emulator.data_changed) {
 | 
						|
            nfc_worker->dev_data->mf_ul_data = emulator.data;
 | 
						|
            if(nfc_worker->callback) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
 | 
						|
            }
 | 
						|
            emulator.data_changed = false;
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static bool nfc_worker_mf_get_b_key_from_sector_trailer(
 | 
						|
    FuriHalNfcTxRxContext* tx_rx,
 | 
						|
    uint16_t sector,
 | 
						|
    uint64_t key,
 | 
						|
    uint64_t* found_key) {
 | 
						|
    // Some access conditions allow reading B key via A key
 | 
						|
 | 
						|
    uint8_t block = mf_classic_get_sector_trailer_block_num_by_sector(sector);
 | 
						|
 | 
						|
    Crypto1 crypto = {};
 | 
						|
    MfClassicBlock block_tmp = {};
 | 
						|
    MfClassicAuthContext auth_context = {.sector = sector, .key_a = MF_CLASSIC_NO_KEY, .key_b = 0};
 | 
						|
 | 
						|
    furi_hal_nfc_sleep();
 | 
						|
 | 
						|
    if(mf_classic_auth_attempt(tx_rx, &crypto, &auth_context, key)) {
 | 
						|
        if(mf_classic_read_block(tx_rx, &crypto, block, &block_tmp)) {
 | 
						|
            *found_key = nfc_util_bytes2num(&block_tmp.value[10], sizeof(uint8_t) * 6);
 | 
						|
 | 
						|
            return *found_key;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return false;
 | 
						|
}
 | 
						|
 | 
						|
static void nfc_worker_mf_classic_key_attack(
 | 
						|
    NfcWorker* nfc_worker,
 | 
						|
    uint64_t key,
 | 
						|
    FuriHalNfcTxRxContext* tx_rx,
 | 
						|
    uint16_t start_sector) {
 | 
						|
    furi_assert(nfc_worker);
 | 
						|
    furi_assert(nfc_worker->callback);
 | 
						|
 | 
						|
    bool card_found_notified = true;
 | 
						|
    bool card_removed_notified = false;
 | 
						|
 | 
						|
    MfClassicData* data = &nfc_worker->dev_data->mf_classic_data;
 | 
						|
    NfcMfClassicDictAttackData* dict_attack_data =
 | 
						|
        &nfc_worker->dev_data->mf_classic_dict_attack_data;
 | 
						|
    uint32_t total_sectors = mf_classic_get_total_sectors_num(data->type);
 | 
						|
 | 
						|
    furi_assert(start_sector < total_sectors);
 | 
						|
 | 
						|
    nfc_worker->callback(NfcWorkerEventKeyAttackStart, nfc_worker->context);
 | 
						|
 | 
						|
    // Check every sector's A and B keys with the given key
 | 
						|
    for(size_t i = start_sector; i < total_sectors; i++) {
 | 
						|
        nfc_worker->callback(NfcWorkerEventKeyAttackNextSector, nfc_worker->context);
 | 
						|
        dict_attack_data->current_sector = i;
 | 
						|
        furi_hal_nfc_sleep();
 | 
						|
        if(furi_hal_nfc_activate_nfca(200, NULL)) {
 | 
						|
            furi_hal_nfc_sleep();
 | 
						|
            if(!card_found_notified) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventCardDetected, nfc_worker->context);
 | 
						|
                card_found_notified = true;
 | 
						|
                card_removed_notified = false;
 | 
						|
            }
 | 
						|
            uint8_t block_num = mf_classic_get_sector_trailer_block_num_by_sector(i);
 | 
						|
            if(mf_classic_is_sector_read(data, i)) continue;
 | 
						|
            if(!mf_classic_is_key_found(data, i, MfClassicKeyA)) {
 | 
						|
                FURI_LOG_D(
 | 
						|
                    TAG,
 | 
						|
                    "Trying A key for sector %d, key: %04lx%08lx",
 | 
						|
                    i,
 | 
						|
                    (uint32_t)(key >> 32),
 | 
						|
                    (uint32_t)key);
 | 
						|
                if(mf_classic_authenticate(tx_rx, block_num, key, MfClassicKeyA)) {
 | 
						|
                    mf_classic_set_key_found(data, i, MfClassicKeyA, key);
 | 
						|
                    FURI_LOG_D(
 | 
						|
                        TAG, "Key A found: %04lx%08lx", (uint32_t)(key >> 32), (uint32_t)key);
 | 
						|
                    nfc_worker->callback(NfcWorkerEventFoundKeyA, nfc_worker->context);
 | 
						|
 | 
						|
                    uint64_t found_key;
 | 
						|
                    if(nfc_worker_mf_get_b_key_from_sector_trailer(tx_rx, i, key, &found_key)) {
 | 
						|
                        FURI_LOG_D(TAG, "Found B key via reading sector %d", i);
 | 
						|
                        mf_classic_set_key_found(data, i, MfClassicKeyB, found_key);
 | 
						|
 | 
						|
                        if(nfc_worker->state == NfcWorkerStateMfClassicDictAttack) {
 | 
						|
                            nfc_worker->callback(NfcWorkerEventFoundKeyB, nfc_worker->context);
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            if(!mf_classic_is_key_found(data, i, MfClassicKeyB)) {
 | 
						|
                FURI_LOG_D(
 | 
						|
                    TAG,
 | 
						|
                    "Trying B key for sector %d, key: %04lx%08lx",
 | 
						|
                    i,
 | 
						|
                    (uint32_t)(key >> 32),
 | 
						|
                    (uint32_t)key);
 | 
						|
                if(mf_classic_authenticate(tx_rx, block_num, key, MfClassicKeyB)) {
 | 
						|
                    mf_classic_set_key_found(data, i, MfClassicKeyB, key);
 | 
						|
                    FURI_LOG_D(
 | 
						|
                        TAG, "Key B found: %04lx%08lx", (uint32_t)(key >> 32), (uint32_t)key);
 | 
						|
                    nfc_worker->callback(NfcWorkerEventFoundKeyB, nfc_worker->context);
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if(mf_classic_is_sector_read(data, i)) continue;
 | 
						|
            mf_classic_read_sector(tx_rx, data, i);
 | 
						|
        } else {
 | 
						|
            if(!card_removed_notified) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventNoCardDetected, nfc_worker->context);
 | 
						|
                card_removed_notified = true;
 | 
						|
                card_found_notified = false;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        if(nfc_worker->state != NfcWorkerStateMfClassicDictAttack) break;
 | 
						|
    }
 | 
						|
    nfc_worker->callback(NfcWorkerEventKeyAttackStop, nfc_worker->context);
 | 
						|
}
 | 
						|
 | 
						|
void nfc_worker_mf_classic_dict_attack(NfcWorker* nfc_worker) {
 | 
						|
    furi_assert(nfc_worker);
 | 
						|
    furi_assert(nfc_worker->callback);
 | 
						|
 | 
						|
    MfClassicData* data = &nfc_worker->dev_data->mf_classic_data;
 | 
						|
    NfcMfClassicDictAttackData* dict_attack_data =
 | 
						|
        &nfc_worker->dev_data->mf_classic_dict_attack_data;
 | 
						|
    uint32_t total_sectors = mf_classic_get_total_sectors_num(data->type);
 | 
						|
    uint64_t key = 0;
 | 
						|
    uint64_t prev_key = 0;
 | 
						|
    FuriHalNfcTxRxContext tx_rx = {};
 | 
						|
    bool card_found_notified = true;
 | 
						|
    bool card_removed_notified = false;
 | 
						|
 | 
						|
    // Load dictionary
 | 
						|
    MfClassicDict* dict = dict_attack_data->dict;
 | 
						|
    if(!dict) {
 | 
						|
        FURI_LOG_E(TAG, "Dictionary not found");
 | 
						|
        nfc_worker->callback(NfcWorkerEventNoDictFound, nfc_worker->context);
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    FURI_LOG_D(
 | 
						|
        TAG, "Start Dictionary attack, Key Count %lu", mf_classic_dict_get_total_keys(dict));
 | 
						|
    for(size_t i = 0; i < total_sectors; i++) {
 | 
						|
        FURI_LOG_I(TAG, "Sector %d", i);
 | 
						|
        nfc_worker->callback(NfcWorkerEventNewSector, nfc_worker->context);
 | 
						|
        uint8_t block_num = mf_classic_get_sector_trailer_block_num_by_sector(i);
 | 
						|
        if(mf_classic_is_sector_read(data, i)) continue;
 | 
						|
        bool is_key_a_found = mf_classic_is_key_found(data, i, MfClassicKeyA);
 | 
						|
        bool is_key_b_found = mf_classic_is_key_found(data, i, MfClassicKeyB);
 | 
						|
        uint16_t key_index = 0;
 | 
						|
        while(mf_classic_dict_get_next_key(dict, &key)) {
 | 
						|
            FURI_LOG_T(TAG, "Key %d", key_index);
 | 
						|
            if(++key_index % NFC_DICT_KEY_BATCH_SIZE == 0) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventNewDictKeyBatch, nfc_worker->context);
 | 
						|
            }
 | 
						|
            furi_hal_nfc_sleep();
 | 
						|
            uint32_t cuid;
 | 
						|
            if(furi_hal_nfc_activate_nfca(200, &cuid)) {
 | 
						|
                bool deactivated = false;
 | 
						|
                if(!card_found_notified) {
 | 
						|
                    nfc_worker->callback(NfcWorkerEventCardDetected, nfc_worker->context);
 | 
						|
                    card_found_notified = true;
 | 
						|
                    card_removed_notified = false;
 | 
						|
                    nfc_worker_mf_classic_key_attack(nfc_worker, prev_key, &tx_rx, i);
 | 
						|
                    deactivated = true;
 | 
						|
                }
 | 
						|
                FURI_LOG_D(
 | 
						|
                    TAG,
 | 
						|
                    "Try to auth to sector %d with key %04lx%08lx",
 | 
						|
                    i,
 | 
						|
                    (uint32_t)(key >> 32),
 | 
						|
                    (uint32_t)key);
 | 
						|
                if(!is_key_a_found) {
 | 
						|
                    is_key_a_found = mf_classic_is_key_found(data, i, MfClassicKeyA);
 | 
						|
                    if(mf_classic_authenticate_skip_activate(
 | 
						|
                           &tx_rx, block_num, key, MfClassicKeyA, !deactivated, cuid)) {
 | 
						|
                        mf_classic_set_key_found(data, i, MfClassicKeyA, key);
 | 
						|
                        FURI_LOG_D(TAG, "Key A found");
 | 
						|
                        nfc_worker->callback(NfcWorkerEventFoundKeyA, nfc_worker->context);
 | 
						|
 | 
						|
                        uint64_t found_key;
 | 
						|
                        if(nfc_worker_mf_get_b_key_from_sector_trailer(
 | 
						|
                               &tx_rx, i, key, &found_key)) {
 | 
						|
                            FURI_LOG_D(TAG, "Found B key via reading sector %d", i);
 | 
						|
                            mf_classic_set_key_found(data, i, MfClassicKeyB, found_key);
 | 
						|
 | 
						|
                            if(nfc_worker->state == NfcWorkerStateMfClassicDictAttack) {
 | 
						|
                                nfc_worker->callback(NfcWorkerEventFoundKeyB, nfc_worker->context);
 | 
						|
                            }
 | 
						|
 | 
						|
                            nfc_worker_mf_classic_key_attack(nfc_worker, found_key, &tx_rx, i + 1);
 | 
						|
                            break;
 | 
						|
                        }
 | 
						|
                        nfc_worker_mf_classic_key_attack(nfc_worker, key, &tx_rx, i + 1);
 | 
						|
                    }
 | 
						|
                    furi_hal_nfc_sleep();
 | 
						|
                    deactivated = true;
 | 
						|
                } else {
 | 
						|
                    // If the key A is marked as found and matches the searching key, invalidate it
 | 
						|
                    if(mf_classic_is_key_found(data, i, MfClassicKeyA) &&
 | 
						|
                       data->block[i].value[0] == key) {
 | 
						|
                        mf_classic_set_key_not_found(data, i, MfClassicKeyA);
 | 
						|
                        is_key_a_found = false;
 | 
						|
                        FURI_LOG_D(TAG, "Key %dA not found in attack", i);
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                if(!is_key_b_found) {
 | 
						|
                    is_key_b_found = mf_classic_is_key_found(data, i, MfClassicKeyB);
 | 
						|
                    if(mf_classic_authenticate_skip_activate(
 | 
						|
                           &tx_rx, block_num, key, MfClassicKeyB, !deactivated, cuid)) {
 | 
						|
                        FURI_LOG_D(TAG, "Key B found");
 | 
						|
                        mf_classic_set_key_found(data, i, MfClassicKeyB, key);
 | 
						|
                        nfc_worker->callback(NfcWorkerEventFoundKeyB, nfc_worker->context);
 | 
						|
                        nfc_worker_mf_classic_key_attack(nfc_worker, key, &tx_rx, i + 1);
 | 
						|
                    }
 | 
						|
                    deactivated = true;
 | 
						|
                } else {
 | 
						|
                    // If the key B is marked as found and matches the searching key, invalidate it
 | 
						|
                    if(mf_classic_is_key_found(data, i, MfClassicKeyB) &&
 | 
						|
                       data->block[i].value[10] == key) {
 | 
						|
                        mf_classic_set_key_not_found(data, i, MfClassicKeyB);
 | 
						|
                        is_key_b_found = false;
 | 
						|
                        FURI_LOG_D(TAG, "Key %dB not found in attack", i);
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                if(is_key_a_found && is_key_b_found) break;
 | 
						|
                if(nfc_worker->state != NfcWorkerStateMfClassicDictAttack) break;
 | 
						|
            } else {
 | 
						|
                if(!card_removed_notified) {
 | 
						|
                    nfc_worker->callback(NfcWorkerEventNoCardDetected, nfc_worker->context);
 | 
						|
                    card_removed_notified = true;
 | 
						|
                    card_found_notified = false;
 | 
						|
                }
 | 
						|
                if(nfc_worker->state != NfcWorkerStateMfClassicDictAttack) break;
 | 
						|
            }
 | 
						|
            memcpy(&prev_key, &key, sizeof(key));
 | 
						|
        }
 | 
						|
        if(nfc_worker->state != NfcWorkerStateMfClassicDictAttack) break;
 | 
						|
        mf_classic_read_sector(&tx_rx, data, i);
 | 
						|
        mf_classic_dict_rewind(dict);
 | 
						|
    }
 | 
						|
    if(nfc_worker->state == NfcWorkerStateMfClassicDictAttack) {
 | 
						|
        nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
 | 
						|
    } else {
 | 
						|
        nfc_worker->callback(NfcWorkerEventAborted, nfc_worker->context);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
void nfc_worker_emulate_mf_classic(NfcWorker* nfc_worker) {
 | 
						|
    FuriHalNfcTxRxContext tx_rx = {};
 | 
						|
    FuriHalNfcDevData* nfc_data = &nfc_worker->dev_data->nfc_data;
 | 
						|
    MfClassicEmulator emulator = {
 | 
						|
        .cuid = nfc_util_bytes2num(&nfc_data->uid[nfc_data->uid_len - 4], 4),
 | 
						|
        .data = nfc_worker->dev_data->mf_classic_data,
 | 
						|
        .data_changed = false,
 | 
						|
    };
 | 
						|
    NfcaSignal* nfca_signal = nfca_signal_alloc();
 | 
						|
    tx_rx.nfca_signal = nfca_signal;
 | 
						|
 | 
						|
    rfal_platform_spi_acquire();
 | 
						|
 | 
						|
    furi_hal_nfc_listen_start(nfc_data);
 | 
						|
    while(nfc_worker->state == NfcWorkerStateMfClassicEmulate) { //-V1044
 | 
						|
        if(furi_hal_nfc_listen_rx(&tx_rx, 300)) {
 | 
						|
            mf_classic_emulator(&emulator, &tx_rx);
 | 
						|
        }
 | 
						|
    }
 | 
						|
    if(emulator.data_changed) {
 | 
						|
        nfc_worker->dev_data->mf_classic_data = emulator.data;
 | 
						|
        if(nfc_worker->callback) {
 | 
						|
            nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
 | 
						|
        }
 | 
						|
        emulator.data_changed = false;
 | 
						|
    }
 | 
						|
 | 
						|
    nfca_signal_free(nfca_signal);
 | 
						|
 | 
						|
    rfal_platform_spi_release();
 | 
						|
}
 | 
						|
 | 
						|
void nfc_worker_write_mf_classic(NfcWorker* nfc_worker) {
 | 
						|
    FuriHalNfcTxRxContext tx_rx = {};
 | 
						|
    bool card_found_notified = false;
 | 
						|
    FuriHalNfcDevData nfc_data = {};
 | 
						|
    MfClassicData* src_data = &nfc_worker->dev_data->mf_classic_data;
 | 
						|
    MfClassicData dest_data = *src_data;
 | 
						|
 | 
						|
    while(nfc_worker->state == NfcWorkerStateMfClassicWrite) {
 | 
						|
        if(furi_hal_nfc_detect(&nfc_data, 200)) {
 | 
						|
            if(!card_found_notified) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventCardDetected, nfc_worker->context);
 | 
						|
                card_found_notified = true;
 | 
						|
            }
 | 
						|
            furi_hal_nfc_sleep();
 | 
						|
 | 
						|
            FURI_LOG_I(TAG, "Check low level nfc data");
 | 
						|
            if(memcmp(&nfc_data, &nfc_worker->dev_data->nfc_data, sizeof(FuriHalNfcDevData)) !=
 | 
						|
               0) {
 | 
						|
                FURI_LOG_E(TAG, "Wrong card");
 | 
						|
                nfc_worker->callback(NfcWorkerEventWrongCard, nfc_worker->context);
 | 
						|
                break;
 | 
						|
            }
 | 
						|
 | 
						|
            FURI_LOG_I(TAG, "Check mf classic type");
 | 
						|
            MfClassicType type =
 | 
						|
                mf_classic_get_classic_type(nfc_data.atqa[0], nfc_data.atqa[1], nfc_data.sak);
 | 
						|
            if(type != nfc_worker->dev_data->mf_classic_data.type) {
 | 
						|
                FURI_LOG_E(TAG, "Wrong mf classic type");
 | 
						|
                nfc_worker->callback(NfcWorkerEventWrongCard, nfc_worker->context);
 | 
						|
                break;
 | 
						|
            }
 | 
						|
 | 
						|
            // Set blocks not read
 | 
						|
            mf_classic_set_sector_data_not_read(&dest_data);
 | 
						|
            FURI_LOG_I(TAG, "Updating card sectors");
 | 
						|
            uint8_t total_sectors = mf_classic_get_total_sectors_num(type);
 | 
						|
            bool write_success = true;
 | 
						|
            for(uint8_t i = 0; i < total_sectors; i++) {
 | 
						|
                FURI_LOG_I(TAG, "Reading sector %d", i);
 | 
						|
                mf_classic_read_sector(&tx_rx, &dest_data, i);
 | 
						|
                bool old_data_read = mf_classic_is_sector_data_read(src_data, i);
 | 
						|
                bool new_data_read = mf_classic_is_sector_data_read(&dest_data, i);
 | 
						|
                if(old_data_read != new_data_read) {
 | 
						|
                    FURI_LOG_E(TAG, "Failed to update sector %d", i);
 | 
						|
                    write_success = false;
 | 
						|
                    break;
 | 
						|
                }
 | 
						|
                if(nfc_worker->state != NfcWorkerStateMfClassicWrite) break;
 | 
						|
                if(!mf_classic_write_sector(&tx_rx, &dest_data, src_data, i)) {
 | 
						|
                    FURI_LOG_E(TAG, "Failed to write %d sector", i);
 | 
						|
                    write_success = false;
 | 
						|
                    break;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            if(nfc_worker->state != NfcWorkerStateMfClassicWrite) break;
 | 
						|
            if(write_success) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
 | 
						|
                break;
 | 
						|
            } else {
 | 
						|
                nfc_worker->callback(NfcWorkerEventFail, nfc_worker->context);
 | 
						|
                break;
 | 
						|
            }
 | 
						|
 | 
						|
        } else {
 | 
						|
            if(card_found_notified) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventNoCardDetected, nfc_worker->context);
 | 
						|
                card_found_notified = false;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        furi_delay_ms(300);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
void nfc_worker_update_mf_classic(NfcWorker* nfc_worker) {
 | 
						|
    FuriHalNfcTxRxContext tx_rx = {};
 | 
						|
    bool card_found_notified = false;
 | 
						|
    FuriHalNfcDevData nfc_data = {};
 | 
						|
    MfClassicData* old_data = &nfc_worker->dev_data->mf_classic_data;
 | 
						|
    MfClassicData new_data = *old_data;
 | 
						|
 | 
						|
    while(nfc_worker->state == NfcWorkerStateMfClassicUpdate) {
 | 
						|
        if(furi_hal_nfc_detect(&nfc_data, 200)) {
 | 
						|
            if(!card_found_notified) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventCardDetected, nfc_worker->context);
 | 
						|
                card_found_notified = true;
 | 
						|
            }
 | 
						|
            furi_hal_nfc_sleep();
 | 
						|
 | 
						|
            FURI_LOG_I(TAG, "Check low level nfc data");
 | 
						|
            if(memcmp(&nfc_data, &nfc_worker->dev_data->nfc_data, sizeof(FuriHalNfcDevData)) !=
 | 
						|
               0) {
 | 
						|
                FURI_LOG_E(TAG, "Low level nfc data mismatch");
 | 
						|
                nfc_worker->callback(NfcWorkerEventWrongCard, nfc_worker->context);
 | 
						|
                break;
 | 
						|
            }
 | 
						|
 | 
						|
            FURI_LOG_I(TAG, "Check MF classic type");
 | 
						|
            MfClassicType type =
 | 
						|
                mf_classic_get_classic_type(nfc_data.atqa[0], nfc_data.atqa[1], nfc_data.sak);
 | 
						|
            if(type != nfc_worker->dev_data->mf_classic_data.type) {
 | 
						|
                FURI_LOG_E(TAG, "MF classic type mismatch");
 | 
						|
                nfc_worker->callback(NfcWorkerEventWrongCard, nfc_worker->context);
 | 
						|
                break;
 | 
						|
            }
 | 
						|
 | 
						|
            // Set blocks not read
 | 
						|
            mf_classic_set_sector_data_not_read(&new_data);
 | 
						|
            FURI_LOG_I(TAG, "Updating card sectors");
 | 
						|
            uint8_t total_sectors = mf_classic_get_total_sectors_num(type);
 | 
						|
            bool update_success = true;
 | 
						|
            for(uint8_t i = 0; i < total_sectors; i++) {
 | 
						|
                FURI_LOG_I(TAG, "Reading sector %d", i);
 | 
						|
                mf_classic_read_sector(&tx_rx, &new_data, i);
 | 
						|
                bool old_data_read = mf_classic_is_sector_data_read(old_data, i);
 | 
						|
                bool new_data_read = mf_classic_is_sector_data_read(&new_data, i);
 | 
						|
                if(old_data_read != new_data_read) {
 | 
						|
                    FURI_LOG_E(TAG, "Failed to update sector %d", i);
 | 
						|
                    update_success = false;
 | 
						|
                    break;
 | 
						|
                }
 | 
						|
                if(nfc_worker->state != NfcWorkerStateMfClassicUpdate) break;
 | 
						|
            }
 | 
						|
            if(nfc_worker->state != NfcWorkerStateMfClassicUpdate) break;
 | 
						|
 | 
						|
            // Check updated data
 | 
						|
            if(update_success) {
 | 
						|
                *old_data = new_data;
 | 
						|
                nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
 | 
						|
                break;
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            if(card_found_notified) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventNoCardDetected, nfc_worker->context);
 | 
						|
                card_found_notified = false;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        furi_delay_ms(300);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
void nfc_worker_mf_ultralight_read_auth(NfcWorker* nfc_worker) {
 | 
						|
    furi_assert(nfc_worker);
 | 
						|
    furi_assert(nfc_worker->callback);
 | 
						|
 | 
						|
    MfUltralightData* data = &nfc_worker->dev_data->mf_ul_data;
 | 
						|
    FuriHalNfcDevData* nfc_data = &nfc_worker->dev_data->nfc_data;
 | 
						|
    FuriHalNfcTxRxContext tx_rx = {};
 | 
						|
    MfUltralightReader reader = {};
 | 
						|
    mf_ul_reset(data);
 | 
						|
 | 
						|
    if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
 | 
						|
        reader_analyzer_prepare_tx_rx(nfc_worker->reader_analyzer, &tx_rx, true);
 | 
						|
        reader_analyzer_start(nfc_worker->reader_analyzer, ReaderAnalyzerModeDebugLog);
 | 
						|
    }
 | 
						|
 | 
						|
    uint32_t key = 0;
 | 
						|
    uint16_t pack = 0;
 | 
						|
    while(nfc_worker->state == NfcWorkerStateReadMfUltralightReadAuth) {
 | 
						|
        furi_hal_nfc_sleep();
 | 
						|
        if(furi_hal_nfc_detect(nfc_data, 300) && nfc_data->type == FuriHalNfcTypeA) {
 | 
						|
            if(mf_ul_check_card_type(nfc_data->atqa[0], nfc_data->atqa[1], nfc_data->sak)) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventCardDetected, nfc_worker->context);
 | 
						|
                if(data->auth_method == MfUltralightAuthMethodManual ||
 | 
						|
                   data->auth_method == MfUltralightAuthMethodAuto) {
 | 
						|
                    nfc_worker->callback(NfcWorkerEventMfUltralightPassKey, nfc_worker->context);
 | 
						|
                    key = nfc_util_bytes2num(data->auth_key, 4);
 | 
						|
                } else if(data->auth_method == MfUltralightAuthMethodAmeebo) {
 | 
						|
                    key = mf_ul_pwdgen_amiibo(nfc_data);
 | 
						|
                } else if(data->auth_method == MfUltralightAuthMethodXiaomi) {
 | 
						|
                    key = mf_ul_pwdgen_xiaomi(nfc_data);
 | 
						|
                } else {
 | 
						|
                    FURI_LOG_E(TAG, "Incorrect auth method");
 | 
						|
                    break;
 | 
						|
                }
 | 
						|
 | 
						|
                data->auth_success = mf_ultralight_authenticate(&tx_rx, key, &pack);
 | 
						|
 | 
						|
                if(!data->auth_success) {
 | 
						|
                    // Reset card
 | 
						|
                    furi_hal_nfc_sleep();
 | 
						|
                    if(!furi_hal_nfc_activate_nfca(300, NULL)) {
 | 
						|
                        nfc_worker->callback(NfcWorkerEventFail, nfc_worker->context);
 | 
						|
                        break;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                mf_ul_read_card(&tx_rx, &reader, data);
 | 
						|
                if(data->auth_success) {
 | 
						|
                    MfUltralightConfigPages* config_pages = mf_ultralight_get_config_pages(data);
 | 
						|
                    if(config_pages != NULL) {
 | 
						|
                        config_pages->auth_data.pwd.value = REVERSE_BYTES_U32(key);
 | 
						|
                        config_pages->auth_data.pack.value = pack;
 | 
						|
                    }
 | 
						|
                    nfc_worker->callback(NfcWorkerEventSuccess, nfc_worker->context);
 | 
						|
                    break;
 | 
						|
                } else {
 | 
						|
                    nfc_worker->callback(NfcWorkerEventFail, nfc_worker->context);
 | 
						|
                    break;
 | 
						|
                }
 | 
						|
            } else {
 | 
						|
                nfc_worker->callback(NfcWorkerEventWrongCardDetected, nfc_worker->context);
 | 
						|
                furi_delay_ms(10);
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            nfc_worker->callback(NfcWorkerEventNoCardDetected, nfc_worker->context);
 | 
						|
            furi_delay_ms(10);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    if(furi_hal_rtc_is_flag_set(FuriHalRtcFlagDebug)) {
 | 
						|
        reader_analyzer_stop(nfc_worker->reader_analyzer);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void nfc_worker_reader_analyzer_callback(ReaderAnalyzerEvent event, void* context) {
 | 
						|
    furi_assert(context);
 | 
						|
    NfcWorker* nfc_worker = context;
 | 
						|
 | 
						|
    if((nfc_worker->state == NfcWorkerStateAnalyzeReader) &&
 | 
						|
       (event == ReaderAnalyzerEventMfkeyCollected)) {
 | 
						|
        if(nfc_worker->callback) {
 | 
						|
            nfc_worker->callback(NfcWorkerEventDetectReaderMfkeyCollected, nfc_worker->context);
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
void nfc_worker_analyze_reader(NfcWorker* nfc_worker) {
 | 
						|
    furi_assert(nfc_worker);
 | 
						|
    furi_assert(nfc_worker->callback);
 | 
						|
 | 
						|
    FuriHalNfcTxRxContext tx_rx = {};
 | 
						|
 | 
						|
    ReaderAnalyzer* reader_analyzer = nfc_worker->reader_analyzer;
 | 
						|
    FuriHalNfcDevData* nfc_data = NULL;
 | 
						|
    if(nfc_worker->dev_data->protocol == NfcDeviceProtocolMifareClassic) {
 | 
						|
        nfc_data = &nfc_worker->dev_data->nfc_data;
 | 
						|
        reader_analyzer_set_nfc_data(reader_analyzer, nfc_data);
 | 
						|
    } else {
 | 
						|
        nfc_data = reader_analyzer_get_nfc_data(reader_analyzer);
 | 
						|
    }
 | 
						|
    MfClassicEmulator emulator = {
 | 
						|
        .cuid = nfc_util_bytes2num(&nfc_data->uid[nfc_data->uid_len - 4], 4),
 | 
						|
        .data = nfc_worker->dev_data->mf_classic_data,
 | 
						|
        .data_changed = false,
 | 
						|
    };
 | 
						|
    NfcaSignal* nfca_signal = nfca_signal_alloc();
 | 
						|
    tx_rx.nfca_signal = nfca_signal;
 | 
						|
    reader_analyzer_prepare_tx_rx(reader_analyzer, &tx_rx, true);
 | 
						|
    reader_analyzer_start(nfc_worker->reader_analyzer, ReaderAnalyzerModeMfkey);
 | 
						|
    reader_analyzer_set_callback(reader_analyzer, nfc_worker_reader_analyzer_callback, nfc_worker);
 | 
						|
 | 
						|
    rfal_platform_spi_acquire();
 | 
						|
 | 
						|
    FURI_LOG_D(TAG, "Start reader analyzer");
 | 
						|
 | 
						|
    uint8_t reader_no_data_received_cnt = 0;
 | 
						|
    bool reader_no_data_notified = true;
 | 
						|
 | 
						|
    while(nfc_worker->state == NfcWorkerStateAnalyzeReader) {
 | 
						|
        furi_hal_nfc_stop_cmd();
 | 
						|
        furi_delay_ms(5);
 | 
						|
        furi_hal_nfc_listen_start(nfc_data);
 | 
						|
        if(furi_hal_nfc_listen_rx(&tx_rx, 300)) {
 | 
						|
            if(reader_no_data_notified) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventDetectReaderDetected, nfc_worker->context);
 | 
						|
            }
 | 
						|
            reader_no_data_received_cnt = 0;
 | 
						|
            reader_no_data_notified = false;
 | 
						|
            NfcProtocol protocol =
 | 
						|
                reader_analyzer_guess_protocol(reader_analyzer, tx_rx.rx_data, tx_rx.rx_bits / 8);
 | 
						|
            if(protocol == NfcDeviceProtocolMifareClassic) {
 | 
						|
                mf_classic_emulator(&emulator, &tx_rx);
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            reader_no_data_received_cnt++;
 | 
						|
            if(!reader_no_data_notified && (reader_no_data_received_cnt > 5)) {
 | 
						|
                nfc_worker->callback(NfcWorkerEventDetectReaderLost, nfc_worker->context);
 | 
						|
                reader_no_data_received_cnt = 0;
 | 
						|
                reader_no_data_notified = true;
 | 
						|
            }
 | 
						|
            FURI_LOG_D(TAG, "No data from reader");
 | 
						|
            continue;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    rfal_platform_spi_release();
 | 
						|
 | 
						|
    reader_analyzer_stop(nfc_worker->reader_analyzer);
 | 
						|
 | 
						|
    nfca_signal_free(nfca_signal);
 | 
						|
}
 |