mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-29 22:23:06 +00:00
09540929c3
* mf classic listener: reset state before sleep and after nack * Fix PVS warnings * Fix PVS and compiler disagree on builtins Co-authored-by: あく <alleteam@gmail.com>
130 lines
4.3 KiB
C
130 lines
4.3 KiB
C
#include "nfc_supported_card_plugin.h"
|
|
|
|
#include <flipper_application/flipper_application.h>
|
|
#include <machine/endian.h>
|
|
#include <nfc/protocols/st25tb/st25tb.h>
|
|
|
|
#define TAG "MyKey"
|
|
|
|
const uint32_t blankBlock18 = 0x480FCD8F, blankBlock19 = 0x070082C0;
|
|
|
|
static bool mykey_is_blank(const St25tbData* data) {
|
|
return data->blocks[0x18] == blankBlock18 && data->blocks[0x19] == blankBlock19;
|
|
}
|
|
|
|
static bool mykey_has_lockid(const St25tbData* data) {
|
|
return (data->blocks[5] & 0xFF) == 0x7F;
|
|
}
|
|
|
|
static bool mykey_parse(const NfcDevice* device, FuriString* parsed_data) {
|
|
furi_assert(device);
|
|
furi_assert(parsed_data);
|
|
|
|
const St25tbData* data = nfc_device_get_data(device, NfcProtocolSt25tb);
|
|
|
|
if(data->type != St25tbType04k && data->type != St25tbTypeX4k) {
|
|
FURI_LOG_D(TAG, "bad type");
|
|
return false;
|
|
}
|
|
|
|
for(int i = 0; i < 5; i++) {
|
|
if(data->blocks[i] != 0xFFFFFFFF) {
|
|
FURI_LOG_D(TAG, "bad otp block %d", i);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if((data->blocks[8] >> 16 & 0xFF) > 0x31 || (data->blocks[8] >> 8 & 0xFF) > 0x12) {
|
|
FURI_LOG_D(TAG, "bad mfg date");
|
|
return false;
|
|
}
|
|
|
|
if(data->system_otp_block != 0xFEFFFFFF) {
|
|
FURI_LOG_D(TAG, "bad sys otp block");
|
|
return false;
|
|
}
|
|
|
|
furi_string_cat(parsed_data, "\e#MyKey\n");
|
|
|
|
if(data->blocks[6] == 0) { // Tag is actually a MyKey but it has been bricked by a reader
|
|
furi_string_cat(parsed_data, "\e#Bricked!\nBlock 6 is 0!");
|
|
return true;
|
|
}
|
|
|
|
bool is_blank = mykey_is_blank(data);
|
|
furi_string_cat_printf(parsed_data, "Serial#: %08lX\n", (uint32_t)__bswap32(data->blocks[7]));
|
|
furi_string_cat_printf(parsed_data, "Blank: %s\n", is_blank ? "yes" : "no");
|
|
furi_string_cat_printf(parsed_data, "LockID: %s\n", mykey_has_lockid(data) ? "maybe" : "no");
|
|
|
|
uint32_t block8 = data->blocks[8];
|
|
furi_string_cat_printf(
|
|
parsed_data,
|
|
"Prod. date: %02lX/%02lX/%04lX",
|
|
block8 >> 16 & 0xFF,
|
|
block8 >> 8 & 0xFF,
|
|
0x2000 + (block8 & 0xFF));
|
|
|
|
if(!is_blank) {
|
|
furi_string_cat_printf(
|
|
parsed_data, "\nOp. count: %zu\n", (size_t)__bswap32(data->blocks[0x12] & 0xFFFFFF00));
|
|
|
|
uint32_t block3C = data->blocks[0x3C];
|
|
if(block3C == 0xFFFFFFFF) {
|
|
furi_string_cat(parsed_data, "No history available!");
|
|
} else {
|
|
block3C ^= data->blocks[0x07];
|
|
uint32_t startingOffset = ((block3C & 0x30000000) >> 28) |
|
|
((block3C & 0x00100000) >> 18);
|
|
furi_check(startingOffset < 8); //-V547
|
|
for(int txnOffset = 8; txnOffset > 0; txnOffset--) {
|
|
uint32_t txnBlock =
|
|
__bswap32(data->blocks[0x34 + ((startingOffset + txnOffset) % 8)]);
|
|
|
|
if(txnBlock == 0xFFFFFFFF) {
|
|
break;
|
|
}
|
|
|
|
uint8_t day = txnBlock >> 27;
|
|
uint8_t month = txnBlock >> 23 & 0xF;
|
|
uint16_t year = 2000 + (txnBlock >> 16 & 0x7F);
|
|
uint16_t credit = txnBlock & 0xFFFF;
|
|
|
|
if(txnOffset == 8) {
|
|
furi_string_cat_printf(
|
|
parsed_data, "Current credit: %d.%02d euros\n", credit / 100, credit % 100);
|
|
furi_string_cat(parsed_data, "Op. history (newest first):");
|
|
}
|
|
|
|
furi_string_cat_printf(
|
|
parsed_data,
|
|
"\n %02d/%02d/%04d %d.%02d",
|
|
day,
|
|
month,
|
|
year,
|
|
credit / 100,
|
|
credit % 100);
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/* Actual implementation of app<>plugin interface */
|
|
static const NfcSupportedCardsPlugin mykey_plugin = {
|
|
.protocol = NfcProtocolSt25tb,
|
|
.verify = NULL,
|
|
.read = NULL,
|
|
.parse = mykey_parse,
|
|
};
|
|
|
|
/* Plugin descriptor to comply with basic plugin specification */
|
|
static const FlipperAppPluginDescriptor mykey_plugin_descriptor = {
|
|
.appid = NFC_SUPPORTED_CARD_PLUGIN_APP_ID,
|
|
.ep_api_version = NFC_SUPPORTED_CARD_PLUGIN_API_VERSION,
|
|
.entry_point = &mykey_plugin,
|
|
};
|
|
|
|
/* Plugin entry point - must return a pointer to const descriptor */
|
|
const FlipperAppPluginDescriptor* mykey_plugin_ep() {
|
|
return &mykey_plugin_descriptor;
|
|
}
|