[FL-2605] NFC new design (#1364)
* nfc: add new read scene * lib: refactore nfc library * mifare desfire: add read card fuction * lib nfc: add auto read worker * nfc: add supported cards * nfc: add mifare classic read success scene * nfc: add troyka support * submodule: update protobuf * nfc: mifare classic keys cache * nfc: rework mifare classic key cache * Correct spelling * nfc: add user dictionary * nfc: introduce block read map in fff * nfc: rework dict attack * nfc: improve dict attack * nfc: rework mifare classic format * nfc: rework MFC read with Reader * nfc: add gui for MFC read success scene * nfc: fix dict attack view gui * nfc: add retry and exit confirm scenes * nfc: add retry and exit scenes navigation * nfc: check user dictionary * nfc: remove unused scenes * nfc: rename functions in nfc worker * nfc: rename mf_classic_dict_attack -> dict_attack * nfc: change scenes names * nfc: remove scene tick events * nfc: rework dict calls with buffer streams * nfc: fix notifications * nfc: fix mf desfire navigation * nfc: remove notification from mf classic read success * nfc: fix read sectors calculation * nfc: add fallback for unknown card * nfc: show file name while emulating * nfc: fix build * nfc: fix memory leak * nfc: fix desfire read * nfc: add no dict found navigation * nfc: add read views * nfc: update card fix * nfc: fix access bytes save * nfc: add exit and retry confirm to mf ultralight read success * nfc: introduce detect reader * nfc: change record open arg to macros * nfc: fix start from archive Co-authored-by: Astra <astra@astrra.space> Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
gornekich
GitHub
166
lib/nfc/helpers/nfc_debug_pcap.c
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166
lib/nfc/helpers/nfc_debug_pcap.c
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#include "nfc_debug_pcap.h"
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#include <furi_hal_rtc.h>
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#include <stream_buffer.h>
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#define TAG "NfcDebugPcap"
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#define PCAP_MAGIC 0xa1b2c3d4
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#define PCAP_MAJOR 2
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#define PCAP_MINOR 4
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#define DLT_ISO_14443 264
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#define DATA_PICC_TO_PCD 0xFF
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#define DATA_PCD_TO_PICC 0xFE
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#define DATA_PICC_TO_PCD_CRC_DROPPED 0xFB
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#define DATA_PCD_TO_PICC_CRC_DROPPED 0xFA
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#define NFC_DEBUG_PCAP_FILENAME EXT_PATH("nfc/debug.pcap")
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#define NFC_DEBUG_PCAP_BUFFER_SIZE 64
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struct NfcDebugPcapWorker {
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bool alive;
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Storage* storage;
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File* file;
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StreamBufferHandle_t stream;
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FuriThread* thread;
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};
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static File* nfc_debug_pcap_open(Storage* storage) {
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File* file = storage_file_alloc(storage);
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if(!storage_file_open(file, NFC_DEBUG_PCAP_FILENAME, FSAM_WRITE, FSOM_OPEN_APPEND)) {
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storage_file_free(file);
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return NULL;
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}
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if(!storage_file_tell(file)) {
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struct {
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uint32_t magic;
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uint16_t major, minor;
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uint32_t reserved[2];
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uint32_t snaplen;
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uint32_t link_type;
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} __attribute__((__packed__)) pcap_hdr = {
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.magic = PCAP_MAGIC,
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.major = PCAP_MAJOR,
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.minor = PCAP_MINOR,
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.snaplen = FURI_HAL_NFC_DATA_BUFF_SIZE,
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.link_type = DLT_ISO_14443,
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};
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if(storage_file_write(file, &pcap_hdr, sizeof(pcap_hdr)) != sizeof(pcap_hdr)) {
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FURI_LOG_E(TAG, "Failed to write pcap header");
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}
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}
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return file;
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}
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static void
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nfc_debug_pcap_write(NfcDebugPcapWorker* instance, uint8_t event, uint8_t* data, uint16_t len) {
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FuriHalRtcDateTime datetime;
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furi_hal_rtc_get_datetime(&datetime);
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struct {
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// https://wiki.wireshark.org/Development/LibpcapFileFormat#record-packet-header
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uint32_t ts_sec;
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uint32_t ts_usec;
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uint32_t incl_len;
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uint32_t orig_len;
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// https://www.kaiser.cx/posts/pcap-iso14443/#_packet_data
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uint8_t version;
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uint8_t event;
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uint16_t len;
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} __attribute__((__packed__)) pkt_hdr = {
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.ts_sec = furi_hal_rtc_datetime_to_timestamp(&datetime),
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.ts_usec = 0,
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.incl_len = len + 4,
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.orig_len = len + 4,
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.version = 0,
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.event = event,
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.len = len << 8 | len >> 8,
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};
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xStreamBufferSend(instance->stream, &pkt_hdr, sizeof(pkt_hdr), FuriWaitForever);
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xStreamBufferSend(instance->stream, data, len, FuriWaitForever);
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}
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static void
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nfc_debug_pcap_write_tx(uint8_t* data, uint16_t bits, bool crc_dropped, void* context) {
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NfcDebugPcapWorker* instance = context;
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uint8_t event = crc_dropped ? DATA_PCD_TO_PICC_CRC_DROPPED : DATA_PCD_TO_PICC;
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nfc_debug_pcap_write(instance, event, data, bits / 8);
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}
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static void
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nfc_debug_pcap_write_rx(uint8_t* data, uint16_t bits, bool crc_dropped, void* context) {
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NfcDebugPcapWorker* instance = context;
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uint8_t event = crc_dropped ? DATA_PICC_TO_PCD_CRC_DROPPED : DATA_PICC_TO_PCD;
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nfc_debug_pcap_write(instance, event, data, bits / 8);
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}
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int32_t nfc_debug_pcap_thread(void* context) {
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NfcDebugPcapWorker* instance = context;
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uint8_t buffer[NFC_DEBUG_PCAP_BUFFER_SIZE];
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while(instance->alive) {
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size_t ret =
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xStreamBufferReceive(instance->stream, buffer, NFC_DEBUG_PCAP_BUFFER_SIZE, 50);
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if(storage_file_write(instance->file, buffer, ret) != ret) {
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FURI_LOG_E(TAG, "Failed to write pcap data");
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}
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}
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return 0;
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}
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NfcDebugPcapWorker* nfc_debug_pcap_alloc(Storage* storage) {
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NfcDebugPcapWorker* instance = malloc(sizeof(NfcDebugPcapWorker));
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instance->alive = true;
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instance->storage = storage;
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instance->file = nfc_debug_pcap_open(storage);
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instance->stream = xStreamBufferCreate(4096, 1);
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instance->thread = furi_thread_alloc();
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furi_thread_set_name(instance->thread, "PcapWorker");
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furi_thread_set_stack_size(instance->thread, 1024);
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furi_thread_set_callback(instance->thread, nfc_debug_pcap_thread);
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furi_thread_set_context(instance->thread, instance);
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furi_thread_start(instance->thread);
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return instance;
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}
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void nfc_debug_pcap_free(NfcDebugPcapWorker* instance) {
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furi_assert(instance);
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instance->alive = false;
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furi_thread_join(instance->thread);
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furi_thread_free(instance->thread);
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vStreamBufferDelete(instance->stream);
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if(instance->file) storage_file_free(instance->file);
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instance->storage = NULL;
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free(instance);
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}
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void nfc_debug_pcap_prepare_tx_rx(
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NfcDebugPcapWorker* instance,
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FuriHalNfcTxRxContext* tx_rx,
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bool is_picc) {
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if(!instance || !instance->file) return;
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if(is_picc) {
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tx_rx->sniff_tx = nfc_debug_pcap_write_rx;
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tx_rx->sniff_rx = nfc_debug_pcap_write_tx;
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} else {
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tx_rx->sniff_tx = nfc_debug_pcap_write_tx;
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tx_rx->sniff_rx = nfc_debug_pcap_write_rx;
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}
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tx_rx->sniff_context = instance;
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}
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