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#include "picopass_device.h"
#include <toolbox/path.h>
#include <flipper_format/flipper_format.h>
#define TAG "PicopassDevice"
static const char* picopass_file_header = "Flipper Picopass device";
static const uint32_t picopass_file_version = 1;
PicopassDevice* picopass_device_alloc() {
PicopassDevice* picopass_dev = malloc(sizeof(PicopassDevice));
picopass_dev->storage = furi_record_open("storage");
picopass_dev->dialogs = furi_record_open("dialogs");
return picopass_dev;
}
void picopass_device_set_name(PicopassDevice* dev, const char* name) {
furi_assert(dev);
strlcpy(dev->dev_name, name, PICOPASS_DEV_NAME_MAX_LEN);
}
static bool picopass_device_save_file(
PicopassDevice* dev,
const char* dev_name,
const char* folder,
const char* extension,
bool use_load_path) {
furi_assert(dev);
bool saved = false;
FlipperFormat* file = flipper_format_file_alloc(dev->storage);
PicopassPacs* pacs = &dev->dev_data.pacs;
ApplicationArea* AA1 = &dev->dev_data.AA1;
string_t temp_str;
string_init(temp_str);
do {
if(use_load_path && !string_empty_p(dev->load_path)) {
// Get directory name
path_extract_dirname(string_get_cstr(dev->load_path), temp_str);
// Create picopass directory if necessary
if(!storage_simply_mkdir(dev->storage, string_get_cstr(temp_str))) break;
// Make path to file to save
string_cat_printf(temp_str, "/%s%s", dev_name, extension);
} else {
// Create picopass directory if necessary
if(!storage_simply_mkdir(dev->storage, PICOPASS_APP_FOLDER)) break;
// First remove picopass device file if it was saved
string_printf(temp_str, "%s/%s%s", folder, dev_name, extension);
}
// Open file
if(!flipper_format_file_open_always(file, string_get_cstr(temp_str))) break;
if(dev->format == PicopassDeviceSaveFormatHF) {
// Write header
if(!flipper_format_write_header_cstr(file, picopass_file_header, picopass_file_version))
break;
if(pacs->record.valid) {
if(!flipper_format_write_uint32(
file, "Facility Code", (uint32_t*)&pacs->record.FacilityCode, 1))
break;
if(!flipper_format_write_uint32(
file, "Card Number", (uint32_t*)&pacs->record.CardNumber, 1))
break;
if(!flipper_format_write_hex(
file, "Credential", pacs->credential, PICOPASS_BLOCK_LEN))
break;
if(!flipper_format_write_hex(file, "PIN", pacs->pin0, PICOPASS_BLOCK_LEN)) break;
if(!flipper_format_write_hex(file, "PIN(cont.)", pacs->pin1, PICOPASS_BLOCK_LEN))
break;
if(!flipper_format_write_comment_cstr(file, "Picopass blocks")) break;
// TODO: Save CSN, CFG, AA1, etc
bool block_saved = true;
for(size_t i = 0; i < 4; i++) {
string_printf(temp_str, "Block %d", i + 6);
if(!flipper_format_write_hex(
file,
string_get_cstr(temp_str),
AA1->block[i].data,
PICOPASS_BLOCK_LEN)) {
block_saved = false;
break;
}
}
if(!block_saved) break;
if(!flipper_format_write_comment_cstr(file, "This is currently incomplete")) break;
}
} else if(dev->format == PicopassDeviceSaveFormatLF) {
const char* lf_header = "Flipper RFID key";
// Write header
if(!flipper_format_write_header_cstr(file, lf_header, 1)) break;
if(!flipper_format_write_comment_cstr(
file,
"This was generated from the Picopass plugin and may not match current lfrfid"))
break;
// When lfrfid supports more formats, update this
if(!flipper_format_write_string_cstr(file, "Key type", "H10301")) break;
uint8_t H10301[3] = {0};
H10301[0] = pacs->record.FacilityCode;
H10301[1] = pacs->record.CardNumber >> 8;
H10301[2] = pacs->record.CardNumber & 0x00FF;
if(!flipper_format_write_hex(file, "Data", H10301, 3)) break;
}
saved = true;
} while(0);
if(!saved) {
dialog_message_show_storage_error(dev->dialogs, "Can not save\nkey file");
}
string_clear(temp_str);
flipper_format_free(file);
return saved;
}
bool picopass_device_save(PicopassDevice* dev, const char* dev_name) {
if(dev->format == PicopassDeviceSaveFormatHF) {
return picopass_device_save_file(
dev, dev_name, PICOPASS_APP_FOLDER, PICOPASS_APP_EXTENSION, true);
} else if(dev->format == PicopassDeviceSaveFormatLF) {
return picopass_device_save_file(dev, dev_name, "/any/lfrfid", ".rfid", true);
}
return false;
}
void picopass_device_clear(PicopassDevice* dev) {
furi_assert(dev);
picopass_device_data_clear(&dev->dev_data);
memset(&dev->dev_data, 0, sizeof(dev->dev_data));
}
void picopass_device_free(PicopassDevice* picopass_dev) {
furi_assert(picopass_dev);
picopass_device_clear(picopass_dev);
furi_record_close("storage");
furi_record_close("dialogs");
string_clear(picopass_dev->load_path);
free(picopass_dev);
}
void picopass_device_data_clear(PicopassDeviceData* dev_data) {
memset(&dev_data->AA1, 0, sizeof(ApplicationArea));
}
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