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Save picopass as picopass or, for 26bit, as lfrfid #1380

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merged 1 commit into from
Jul 10, 2022
Merged

Save picopass as picopass or, for 26bit, as lfrfid #1380

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31 changes: 28 additions & 3 deletions applications/picopass/picopass.c
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,13 @@ Picopass* picopass_alloc() {
view_dispatcher_add_view(
picopass->view_dispatcher, PicopassViewPopup, popup_get_view(picopass->popup));

// Text Input
picopass->text_input = text_input_alloc();
view_dispatcher_add_view(
picopass->view_dispatcher,
PicopassViewTextInput,
text_input_get_view(picopass->text_input));

// Custom Widget
picopass->widget = widget_alloc();
view_dispatcher_add_view(
Expand All @@ -67,6 +74,10 @@ Picopass* picopass_alloc() {
void picopass_free(Picopass* picopass) {
furi_assert(picopass);

// Picopass device
picopass_device_free(picopass->dev);
picopass->dev = NULL;

// Submenu
view_dispatcher_remove_view(picopass->view_dispatcher, PicopassViewMenu);
submenu_free(picopass->submenu);
Expand All @@ -75,6 +86,10 @@ void picopass_free(Picopass* picopass) {
view_dispatcher_remove_view(picopass->view_dispatcher, PicopassViewPopup);
popup_free(picopass->popup);

// TextInput
view_dispatcher_remove_view(picopass->view_dispatcher, PicopassViewTextInput);
text_input_free(picopass->text_input);

// Custom Widget
view_dispatcher_remove_view(picopass->view_dispatcher, PicopassViewWidget);
widget_free(picopass->widget);
Expand All @@ -97,12 +112,22 @@ void picopass_free(Picopass* picopass) {
furi_record_close("notification");
picopass->notifications = NULL;

picopass_device_free(picopass->dev);
picopass->dev = NULL;

free(picopass);
}

void picopass_text_store_set(Picopass* picopass, const char* text, ...) {
va_list args;
va_start(args, text);

vsnprintf(picopass->text_store, sizeof(picopass->text_store), text, args);

va_end(args);
}

void picopass_text_store_clear(Picopass* picopass) {
memset(picopass->text_store, 0, sizeof(picopass->text_store));
}

static const NotificationSequence picopass_sequence_blink_start_blue = {
&message_blink_start_10,
&message_blink_set_color_blue,
Expand Down
115 changes: 114 additions & 1 deletion applications/picopass/picopass_device.c
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Original file line number Diff line number Diff line change
Expand Up @@ -5,13 +5,126 @@

#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);

Expand All @@ -24,10 +137,10 @@ void picopass_device_free(PicopassDevice* 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) {
FURI_LOG_D(TAG, "picopass_device_data_clear");
memset(&dev_data->AA1, 0, sizeof(ApplicationArea));
}
29 changes: 28 additions & 1 deletion applications/picopass/picopass_device.h
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,26 @@

#include <rfal_picopass.h>

#define PICOPASS_DEV_NAME_MAX_LEN 22
#define PICOPASS_READER_DATA_MAX_SIZE 64
#define PICOPASS_BLOCK_LEN 8

#define PICOPASS_APP_FOLDER "/any/picopass"
#define PICOPASS_APP_EXTENSION ".picopass"
#define PICOPASS_APP_SHADOW_EXTENSION ".pas"

typedef enum {
PicopassDeviceEncryptionUnknown = 0,
PicopassDeviceEncryptionNone = 0x14,
PicopassDeviceEncryptionDES = 0x15,
PicopassDeviceEncryption3DES = 0x17,
} PicopassEncryption;

typedef enum {
PicopassDeviceSaveFormatHF,
PicopassDeviceSaveFormatLF,
} PicopassDeviceSaveFormat;

typedef struct {
bool valid;
uint8_t bitLength;
Expand All @@ -16,7 +36,7 @@ typedef struct {

typedef struct {
bool biometrics;
uint8_t encryption;
PicopassEncryption encryption;
uint8_t credential[8];
uint8_t pin0[8];
uint8_t pin1[8];
Expand All @@ -32,12 +52,19 @@ typedef struct {
Storage* storage;
DialogsApp* dialogs;
PicopassDeviceData dev_data;
char dev_name[PICOPASS_DEV_NAME_MAX_LEN + 1];
string_t load_path;
PicopassDeviceSaveFormat format;
} PicopassDevice;

PicopassDevice* picopass_device_alloc();

void picopass_device_free(PicopassDevice* picopass_dev);

void picopass_device_set_name(PicopassDevice* dev, const char* name);

bool picopass_device_save(PicopassDevice* dev, const char* dev_name);

void picopass_device_data_clear(PicopassDeviceData* dev_data);

void picopass_device_clear(PicopassDevice* dev);
13 changes: 12 additions & 1 deletion applications/picopass/picopass_i.h
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@

#include <gui/modules/submenu.h>
#include <gui/modules/popup.h>
#include <gui/modules/text_input.h>
#include <gui/modules/widget.h>

#include <input/input.h>
Expand All @@ -23,6 +24,8 @@
#include <storage/storage.h>
#include <lib/toolbox/path.h>

#define PICOPASS_TEXT_STORE_SIZE 128

enum PicopassCustomEvent {
// Reserve first 100 events for button types and indexes, starting from 0
PicopassCustomEventReserved = 100,
Expand All @@ -31,7 +34,6 @@ enum PicopassCustomEvent {
PicopassCustomEventWorkerExit,
PicopassCustomEventByteInputDone,
PicopassCustomEventTextInputDone,
PicopassCustomEventDictAttackDone,
};

typedef enum {
Expand All @@ -47,20 +49,29 @@ struct Picopass {
SceneManager* scene_manager;
PicopassDevice* dev;

char text_store[PICOPASS_TEXT_STORE_SIZE + 1];
string_t text_box_store;

// Common Views
Submenu* submenu;
Popup* popup;
TextInput* text_input;
Widget* widget;
};

typedef enum {
PicopassViewMenu,
PicopassViewPopup,
PicopassViewTextInput,
PicopassViewWidget,
} PicopassView;

Picopass* picopass_alloc();

void picopass_text_store_set(Picopass* picopass, const char* text, ...);

void picopass_text_store_clear(Picopass* picopass);

void picopass_blink_start(Picopass* picopass);

void picopass_blink_stop(Picopass* picopass);
7 changes: 0 additions & 7 deletions applications/picopass/picopass_worker.c
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Original file line number Diff line number Diff line change
Expand Up @@ -114,8 +114,6 @@ void picopass_worker_start(
furi_assert(picopass_worker);
furi_assert(dev_data);

FURI_LOG_D(TAG, "picopass_worker_start");

picopass_worker->callback = callback;
picopass_worker->context = context;
picopass_worker->dev_data = dev_data;
Expand Down Expand Up @@ -258,10 +256,8 @@ void picopass_worker_detect(PicopassWorker* picopass_worker) {
ReturnCode err;

while(picopass_worker->state == PicopassWorkerStateDetect) {
FURI_LOG_D(TAG, "PicopassWorkerStateDetect");
if(picopass_detect_card(1000) == ERR_NONE) {
// Process first found device
FURI_LOG_D(TAG, "picopass_read_card");
err = picopass_read_card(AA1);
if(err != ERR_NONE) {
FURI_LOG_E(TAG, "picopass_read_card error %d", err);
Expand All @@ -277,21 +273,18 @@ void picopass_worker_detect(PicopassWorker* picopass_worker) {
FURI_LOG_E(TAG, "decrypt error %d", err);
break;
}
FURI_LOG_D(TAG, "Decrypted 7");

err = picopass_worker_decrypt(AA1->block[2].data, pacs->pin0);
if(err != ERR_NONE) {
FURI_LOG_E(TAG, "decrypt error %d", err);
break;
}
FURI_LOG_D(TAG, "Decrypted 8");

err = picopass_worker_decrypt(AA1->block[3].data, pacs->pin1);
if(err != ERR_NONE) {
FURI_LOG_E(TAG, "decrypt error %d", err);
break;
}
FURI_LOG_D(TAG, "Decrypted 9");
} else if(pacs->encryption == 0x14) {
FURI_LOG_D(TAG, "No Encryption");
memcpy(pacs->credential, AA1->block[1].data, RFAL_PICOPASS_MAX_BLOCK_LEN);
Expand Down
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