mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-25 04:03:07 +00:00
357 lines
No EOL
13 KiB
C
357 lines
No EOL
13 KiB
C
/*
|
|
* Parser for Kazan transport card (Kazan, Russia).
|
|
*
|
|
* Copyright 2023 Leptoptilos <leptoptilos@icloud.com>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include "nfc_supported_card_plugin.h"
|
|
|
|
#include "protocols/mf_classic/mf_classic.h"
|
|
#include <flipper_application/flipper_application.h>
|
|
|
|
#include <nfc/nfc_device.h>
|
|
#include <nfc/helpers/nfc_util.h>
|
|
#include <nfc/protocols/mf_classic/mf_classic_poller_sync.h>
|
|
|
|
#include <furi_hal_rtc.h>
|
|
|
|
#define TAG "Kazan"
|
|
|
|
typedef struct {
|
|
uint64_t a;
|
|
uint64_t b;
|
|
} MfClassicKeyPair;
|
|
|
|
static const MfClassicKeyPair kazan_1k_keys_standart[] = {
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xE954024EE754, .b = 0x0CD464CDC100},
|
|
{.a = 0xBC305FE2DA65, .b = 0xCF0EC6ACF2F9},
|
|
{.a = 0xF7A545095C49, .b = 0x6862FD600F78},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
};
|
|
|
|
static const MfClassicKeyPair kazan_1k_keys_old[] = {
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0x2058EAEE8446, .b = 0xCB9B23815F87},
|
|
{.a = 0x492F3744A1DC, .b = 0x6B770AADA274},
|
|
{.a = 0xF7A545095C49, .b = 0x6862FD600F78},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
{.a = 0xFFFFFFFFFFFF, .b = 0xFFFFFFFFFFFF},
|
|
};
|
|
|
|
enum SubscriptionType {
|
|
SUBSCRIPTION_TYPE_UNKNOWN,
|
|
SUBSCRIPTION_TYPE_PURSE,
|
|
SUBSCRIPTION_TYPE_ABONNEMENT_BY_TIME,
|
|
SUBSCRIPTION_TYPE_ABONNEMENT_BY_TRIPS,
|
|
};
|
|
|
|
enum SubscriptionType get_subscription_type(uint8_t value, FuriString* tariff_name) {
|
|
switch(value) {
|
|
case 0x51:
|
|
furi_string_printf(tariff_name, "Social. Adult");
|
|
return SUBSCRIPTION_TYPE_ABONNEMENT_BY_TIME;
|
|
case 0x67:
|
|
furi_string_printf(tariff_name, "Ground electric transport. 1 month");
|
|
return SUBSCRIPTION_TYPE_ABONNEMENT_BY_TIME;
|
|
case 0x0F:
|
|
furi_string_printf(tariff_name, "Underground only");
|
|
return SUBSCRIPTION_TYPE_ABONNEMENT_BY_TRIPS;
|
|
case 0x6D:
|
|
furi_string_printf(tariff_name, "Tram. 60 minutes. Transfer. 10 trips");
|
|
return SUBSCRIPTION_TYPE_ABONNEMENT_BY_TRIPS;
|
|
case 0x53:
|
|
furi_string_printf(tariff_name, "Standart purse");
|
|
return SUBSCRIPTION_TYPE_PURSE;
|
|
default:
|
|
furi_string_printf(tariff_name, "Unknown");
|
|
return SUBSCRIPTION_TYPE_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
static bool kazan_verify(Nfc* nfc) {
|
|
bool verified = false;
|
|
|
|
do {
|
|
const uint8_t verification_sector_number = 10;
|
|
const uint8_t verification_block_number =
|
|
mf_classic_get_first_block_num_of_sector(verification_sector_number) + 1;
|
|
FURI_LOG_D(TAG, "Verifying sector %u", verification_sector_number);
|
|
|
|
MfClassicKey key = {0};
|
|
nfc_util_num2bytes(
|
|
kazan_1k_keys_standart[verification_sector_number].a, COUNT_OF(key.data), key.data);
|
|
|
|
MfClassicAuthContext auth_context;
|
|
MfClassicError error = mf_classic_poller_sync_auth(
|
|
nfc, verification_block_number, &key, MfClassicKeyTypeA, &auth_context);
|
|
if(error != MfClassicErrorNone) {
|
|
FURI_LOG_D(TAG, "Failed to read block %u: %d", verification_block_number, error);
|
|
break;
|
|
}
|
|
|
|
verified = true;
|
|
} while(false);
|
|
return verified;
|
|
}
|
|
|
|
static bool kazan_read(Nfc* nfc, NfcDevice* device) {
|
|
furi_assert(nfc);
|
|
furi_assert(device);
|
|
|
|
bool is_read = false;
|
|
|
|
MfClassicData* data = mf_classic_alloc();
|
|
nfc_device_copy_data(device, NfcProtocolMfClassic, data);
|
|
|
|
do {
|
|
MfClassicType type = MfClassicTypeMini;
|
|
MfClassicError error = mf_classic_poller_sync_detect_type(nfc, &type);
|
|
if(error != MfClassicErrorNone) break;
|
|
|
|
data->type = type;
|
|
if(type != MfClassicType1k) break;
|
|
|
|
MfClassicDeviceKeys keys = {
|
|
.key_a_mask = 0,
|
|
.key_b_mask = 0,
|
|
};
|
|
|
|
MfClassicDeviceKeys keys_old = {
|
|
.key_a_mask = 0,
|
|
.key_b_mask = 0,
|
|
};
|
|
|
|
for(size_t i = 0; i < mf_classic_get_total_sectors_num(data->type); i++) {
|
|
nfc_util_num2bytes(
|
|
kazan_1k_keys_standart[i].a, sizeof(MfClassicKey), keys.key_a[i].data);
|
|
nfc_util_num2bytes(
|
|
kazan_1k_keys_old[i].a, sizeof(MfClassicKey), keys_old.key_a[i].data);
|
|
FURI_BIT_SET(keys.key_a_mask, i);
|
|
FURI_BIT_SET(keys_old.key_a_mask, i);
|
|
|
|
nfc_util_num2bytes(
|
|
kazan_1k_keys_standart[i].b, sizeof(MfClassicKey), keys.key_b[i].data);
|
|
nfc_util_num2bytes(
|
|
kazan_1k_keys_old[i].b, sizeof(MfClassicKey), keys_old.key_b[i].data);
|
|
FURI_BIT_SET(keys.key_b_mask, i);
|
|
FURI_BIT_SET(keys_old.key_b_mask, i);
|
|
}
|
|
|
|
error = mf_classic_poller_sync_read(nfc, &keys, data);
|
|
if(error != MfClassicErrorNone) {
|
|
FURI_LOG_W(TAG, "Failed to read data: standart keys");
|
|
break;
|
|
}
|
|
if(!mf_classic_is_card_read(data)) {
|
|
error = mf_classic_poller_sync_read(nfc, &keys_old, data);
|
|
if(error != MfClassicErrorNone) {
|
|
FURI_LOG_W(TAG, "Failed to read data: old keys");
|
|
break;
|
|
}
|
|
}
|
|
|
|
nfc_device_set_data(device, NfcProtocolMfClassic, data);
|
|
|
|
is_read = mf_classic_is_card_read(data);
|
|
} while(false);
|
|
|
|
mf_classic_free(data);
|
|
|
|
return is_read;
|
|
}
|
|
|
|
static bool kazan_parse(const NfcDevice* device, FuriString* parsed_data) {
|
|
furi_assert(device);
|
|
|
|
const MfClassicData* data = nfc_device_get_data(device, NfcProtocolMfClassic);
|
|
|
|
bool parsed = false;
|
|
|
|
do {
|
|
const uint8_t verification_sector_number = 10;
|
|
const uint8_t ticket_sector_number = 8;
|
|
const uint8_t balance_sector_number = 9;
|
|
|
|
// Verify keys
|
|
MfClassicKeyPair keys = {};
|
|
const MfClassicSectorTrailer* sec_tr =
|
|
mf_classic_get_sector_trailer_by_sector(data, verification_sector_number);
|
|
|
|
keys.a = nfc_util_bytes2num(sec_tr->key_a.data, COUNT_OF(sec_tr->key_a.data));
|
|
|
|
if(keys.a != 0xF7A545095C49) {
|
|
FURI_LOG_D(TAG, "Parser: Failed to verify key a: %llu", keys.a);
|
|
break;
|
|
}
|
|
|
|
// Parse data
|
|
uint8_t start_block_num = mf_classic_get_first_block_num_of_sector(ticket_sector_number);
|
|
|
|
const uint8_t* block_start_ptr = &data->block[start_block_num].data[6];
|
|
|
|
FuriString* tariff_name = furi_string_alloc();
|
|
enum SubscriptionType subscription_type =
|
|
get_subscription_type(block_start_ptr[0], tariff_name);
|
|
|
|
FuriHalRtcDateTime valid_from;
|
|
valid_from.year = 2000 + block_start_ptr[1];
|
|
valid_from.month = block_start_ptr[2];
|
|
valid_from.day = block_start_ptr[3];
|
|
|
|
FuriHalRtcDateTime valid_to;
|
|
valid_to.year = 2000 + block_start_ptr[4];
|
|
valid_to.month = block_start_ptr[5];
|
|
valid_to.day = block_start_ptr[6];
|
|
|
|
const uint8_t last_trip_block_number = 2;
|
|
block_start_ptr = &data->block[start_block_num + last_trip_block_number].data[1];
|
|
|
|
FuriHalRtcDateTime last_trip;
|
|
last_trip.year = 2000 + block_start_ptr[0];
|
|
last_trip.month = block_start_ptr[1];
|
|
last_trip.day = block_start_ptr[2];
|
|
last_trip.hour = block_start_ptr[3];
|
|
last_trip.minute = block_start_ptr[4];
|
|
bool is_last_trip_valid = (block_start_ptr[0] | block_start_ptr[1] | block_start_ptr[2]) &&
|
|
(last_trip.day < 32 && last_trip.month < 12 &&
|
|
last_trip.hour < 24 && last_trip.minute < 60);
|
|
|
|
start_block_num = mf_classic_get_first_block_num_of_sector(balance_sector_number);
|
|
block_start_ptr = &data->block[start_block_num].data[0];
|
|
|
|
const uint32_t trip_counter = nfc_util_bytes2num_little_endian(block_start_ptr, 4);
|
|
|
|
size_t uid_len = 0;
|
|
const uint8_t* uid = mf_classic_get_uid(data, &uid_len);
|
|
const uint32_t card_number = nfc_util_bytes2num_little_endian(uid, 4);
|
|
|
|
furi_string_cat_printf(
|
|
parsed_data, "\e#Kazan transport card\nCard number: %lu\n", card_number);
|
|
|
|
if(subscription_type == SUBSCRIPTION_TYPE_PURSE) {
|
|
furi_string_cat_printf(
|
|
parsed_data,
|
|
"Type: purse\nBalance: %lu RUR\nBalance valid:\nfrom: %02u.%02u.%u\nto: %02u.%02u.%u",
|
|
trip_counter,
|
|
valid_from.day,
|
|
valid_from.month,
|
|
valid_from.year,
|
|
valid_to.day,
|
|
valid_to.month,
|
|
valid_to.year);
|
|
}
|
|
|
|
if(subscription_type == SUBSCRIPTION_TYPE_ABONNEMENT_BY_TRIPS) {
|
|
furi_string_cat_printf(
|
|
parsed_data,
|
|
"Type: abonnement\nTariff: %s\nTrips left: %lu\nCard valid:\nfrom: %02u.%02u.%u\nto: %02u.%02u.%u",
|
|
furi_string_get_cstr(tariff_name),
|
|
trip_counter,
|
|
valid_from.day,
|
|
valid_from.month,
|
|
valid_from.year,
|
|
valid_to.day,
|
|
valid_to.month,
|
|
valid_to.year);
|
|
}
|
|
|
|
if(subscription_type == SUBSCRIPTION_TYPE_ABONNEMENT_BY_TIME) {
|
|
furi_string_cat_printf(
|
|
parsed_data,
|
|
"Type: abonnement\nTariff: %s\nTotal valid time: %lu days\nCard valid:\nfrom: %02u.%02u.%u\nto: %02u.%02u.%u",
|
|
furi_string_get_cstr(tariff_name),
|
|
trip_counter,
|
|
valid_from.day,
|
|
valid_from.month,
|
|
valid_from.year,
|
|
valid_to.day,
|
|
valid_to.month,
|
|
valid_to.year);
|
|
}
|
|
|
|
if(subscription_type == SUBSCRIPTION_TYPE_UNKNOWN) {
|
|
furi_string_cat_printf(
|
|
parsed_data,
|
|
"Type: unknown\nTariff: %s\nCounter: %lu\nValid from: %02u.%02u.%u\nValid to: %02u.%02u.%u",
|
|
furi_string_get_cstr(tariff_name),
|
|
trip_counter,
|
|
valid_from.day,
|
|
valid_from.month,
|
|
valid_from.year,
|
|
valid_to.day,
|
|
valid_to.month,
|
|
valid_to.year);
|
|
}
|
|
|
|
if(is_last_trip_valid) {
|
|
furi_string_cat_printf(
|
|
parsed_data,
|
|
"\nLast trip: %02u.%02u.%u at %02u:%02u",
|
|
last_trip.day,
|
|
last_trip.month,
|
|
last_trip.year,
|
|
last_trip.hour,
|
|
last_trip.minute);
|
|
}
|
|
|
|
furi_string_free(tariff_name);
|
|
|
|
parsed = true;
|
|
} while(false);
|
|
|
|
return parsed;
|
|
}
|
|
|
|
/* Actual implementation of app<>plugin interface */
|
|
static const NfcSupportedCardsPlugin kazan_plugin = {
|
|
.protocol = NfcProtocolMfClassic,
|
|
.verify = kazan_verify,
|
|
.read = kazan_read,
|
|
.parse = kazan_parse,
|
|
};
|
|
|
|
/* Plugin descriptor to comply with basic plugin specification */
|
|
static const FlipperAppPluginDescriptor kazan_plugin_descriptor = {
|
|
.appid = NFC_SUPPORTED_CARD_PLUGIN_APP_ID,
|
|
.ep_api_version = NFC_SUPPORTED_CARD_PLUGIN_API_VERSION,
|
|
.entry_point = &kazan_plugin,
|
|
};
|
|
|
|
/* Plugin entry point - must return a pointer to const descriptor */
|
|
const FlipperAppPluginDescriptor* kazan_plugin_ep() {
|
|
return &kazan_plugin_descriptor;
|
|
} |