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[FL-2245] Introduce Mifare Classic Emulation (#1242)

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* digital signal: introduce digital signal
* nfca: add nfca signal encoder
* nfc: add mifare classic emulation scene
* nfca: add classic emulation support to lib and hal
* mifare classic: support basic read commands
* nfc: add mifare classic menu scene
* mifare classic: start parsing commands in emulation
* mifare classic: add nested auth
* nfc: fix errors
* mifare classic: add encrypt function
* nfc: fix mifare classic save
* lib hex: add hex uint64_t ASCII parser
* flipper format: add uint64 hex format support
* nfc: add mifare classic key map
* nfc: hide mifare classic keys on emulation
* mifare classic: add NACK responce
* nfc: add partial bytes support in transparent mode
* nfc: mifare classic add shadow file support
* digital signal: move arr buffer from BSS to heap
* mifare classic: process access bits more careful
* nfca: fix memory leack
* nfc: format sources
* mifare classic: cleun up

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
gornekich
2022-05-24 17:00:15 +03:00
committed by GitHub
parent 2017baac48
commit d31578508a
28 changed files with 1150 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
applications/nfc/scenes/nfc_scene_config.h
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@@ -34,4 +34,6 @@ ADD_SCENE(nfc, restore_original, RestoreOriginal)
ADD_SCENE(nfc, debug, Debug)
ADD_SCENE(nfc, field, Field)
ADD_SCENE(nfc, read_mifare_classic, ReadMifareClassic)
ADD_SCENE(nfc, emulate_mifare_classic, EmulateMifareClassic)
ADD_SCENE(nfc, mifare_classic_menu, MifareClassicMenu)
ADD_SCENE(nfc, dict_not_found, DictNotFound)

64
applications/nfc/scenes/nfc_scene_emulate_mifare_classic.c Normal file
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@@ -0,0 +1,64 @@
#include "../nfc_i.h"
#include <dolphin/dolphin.h>
#define NFC_MF_CLASSIC_DATA_NOT_CHANGED (0UL)
#define NFC_MF_CLASSIC_DATA_CHANGED (1UL)
void nfc_emulate_mifare_classic_worker_callback(NfcWorkerEvent event, void* context) {
UNUSED(event);
Nfc* nfc = context;
scene_manager_set_scene_state(
nfc->scene_manager, NfcSceneEmulateMifareClassic, NFC_MF_CLASSIC_DATA_CHANGED);
}
void nfc_scene_emulate_mifare_classic_on_enter(void* context) {
Nfc* nfc = context;
DOLPHIN_DEED(DolphinDeedNfcEmulate);
// Setup view
Popup* popup = nfc->popup;
if(strcmp(nfc->dev->dev_name, "")) {
nfc_text_store_set(nfc, "%s", nfc->dev->dev_name);
}
popup_set_icon(popup, 0, 3, &I_RFIDDolphinSend_97x61);
popup_set_header(popup, "Emulating\nMf Classic", 56, 31, AlignLeft, AlignTop);
// Setup and start worker
view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewPopup);
nfc_worker_start(
nfc->worker,
NfcWorkerStateEmulateMifareClassic,
&nfc->dev->dev_data,
nfc_emulate_mifare_classic_worker_callback,
nfc);
}
bool nfc_scene_emulate_mifare_classic_on_event(void* context, SceneManagerEvent event) {
Nfc* nfc = context;
bool consumed = false;
if(event.type == SceneManagerEventTypeTick) {
notification_message(nfc->notifications, &sequence_blink_blue_10);
consumed = true;
} else if(event.type == SceneManagerEventTypeBack) {
// Stop worker
nfc_worker_stop(nfc->worker);
// Check if data changed and save in shadow file
if(scene_manager_get_scene_state(nfc->scene_manager, NfcSceneEmulateMifareClassic) ==
NFC_MF_CLASSIC_DATA_CHANGED) {
scene_manager_set_scene_state(
nfc->scene_manager, NfcSceneEmulateMifareClassic, NFC_MF_CLASSIC_DATA_NOT_CHANGED);
nfc_device_save_shadow(nfc->dev, nfc->dev->dev_name);
}
consumed = false;
}
return consumed;
}
void nfc_scene_emulate_mifare_classic_on_exit(void* context) {
Nfc* nfc = context;
// Clear view
popup_reset(nfc->popup);
}

64
applications/nfc/scenes/nfc_scene_mifare_classic_menu.c Normal file
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@@ -0,0 +1,64 @@
#include "../nfc_i.h"
enum SubmenuIndex {
SubmenuIndexSave,
SubmenuIndexEmulate,
};
void nfc_scene_mifare_classic_menu_submenu_callback(void* context, uint32_t index) {
Nfc* nfc = context;
view_dispatcher_send_custom_event(nfc->view_dispatcher, index);
}
void nfc_scene_mifare_classic_menu_on_enter(void* context) {
Nfc* nfc = context;
Submenu* submenu = nfc->submenu;
submenu_add_item(
submenu, "Save", SubmenuIndexSave, nfc_scene_mifare_classic_menu_submenu_callback, nfc);
submenu_add_item(
submenu,
"Emulate",
SubmenuIndexEmulate,
nfc_scene_mifare_classic_menu_submenu_callback,
nfc);
submenu_set_selected_item(
nfc->submenu, scene_manager_get_scene_state(nfc->scene_manager, NfcSceneMifareUlMenu));
view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewMenu);
}
bool nfc_scene_mifare_classic_menu_on_event(void* context, SceneManagerEvent event) {
Nfc* nfc = context;
bool consumed = false;
if(event.type == SceneManagerEventTypeCustom) {
if(event.event == SubmenuIndexSave) {
scene_manager_set_scene_state(
nfc->scene_manager, NfcSceneMifareUlMenu, SubmenuIndexSave);
nfc->dev->format = NfcDeviceSaveFormatMifareClassic;
// Clear device name
nfc_device_set_name(nfc->dev, "");
scene_manager_next_scene(nfc->scene_manager, NfcSceneSaveName);
consumed = true;
} else if(event.event == SubmenuIndexEmulate) {
scene_manager_set_scene_state(
nfc->scene_manager, NfcSceneMifareUlMenu, SubmenuIndexEmulate);
scene_manager_next_scene(nfc->scene_manager, NfcSceneEmulateMifareClassic);
consumed = true;
}
} else if(event.type == SceneManagerEventTypeBack) {
consumed =
scene_manager_search_and_switch_to_previous_scene(nfc->scene_manager, NfcSceneStart);
}
return consumed;
}
void nfc_scene_mifare_classic_menu_on_exit(void* context) {
Nfc* nfc = context;
// Clear view
submenu_reset(nfc->submenu);
}

3
applications/nfc/scenes/nfc_scene_read_mifare_classic.c
View File

@@ -47,7 +47,7 @@ bool nfc_scene_read_mifare_classic_on_event(void* context, SceneManagerEvent eve
consumed = true;
} else if(event.type == SceneManagerEventTypeCustom) {
if(event.event == NfcCustomEventDictAttackDone) {
scene_manager_next_scene(nfc->scene_manager, NfcSceneSaveName);
scene_manager_next_scene(nfc->scene_manager, NfcSceneMifareClassicMenu);
consumed = true;
} else if(event.event == NfcWorkerEventDetectedClassic1k) {
dict_attack_card_detected(nfc->dict_attack, MfClassicType1k);
@@ -71,7 +71,6 @@ bool nfc_scene_read_mifare_classic_on_event(void* context, SceneManagerEvent eve
scene_manager_set_scene_state(
nfc->scene_manager, NfcSceneReadMifareClassic, NfcSceneReadMifareClassicStateDone);
notification_message(nfc->notifications, &sequence_success);
nfc->dev->format = NfcDeviceSaveFormatMifareClassic;
dict_attack_set_result(nfc->dict_attack, true);
consumed = true;
} else if(event.event == NfcWorkerEventFail) {

12
applications/nfc/scenes/nfc_scene_saved_menu.c
View File

@@ -27,13 +27,11 @@ void nfc_scene_saved_menu_on_enter(void* context) {
SubmenuIndexEmulate,
nfc_scene_saved_menu_submenu_callback,
nfc);
} else if(nfc->dev->format == NfcDeviceSaveFormatMifareUl) {
} else if(
nfc->dev->format == NfcDeviceSaveFormatMifareUl ||
nfc->dev->format == NfcDeviceSaveFormatMifareClassic) {
submenu_add_item(
submenu,
"Emulate Ultralight",
SubmenuIndexEmulate,
nfc_scene_saved_menu_submenu_callback,
nfc);
submenu, "Emulate", SubmenuIndexEmulate, nfc_scene_saved_menu_submenu_callback, nfc);
}
submenu_add_item(
submenu, "Edit UID and Name", SubmenuIndexEdit, nfc_scene_saved_menu_submenu_callback, nfc);
@@ -64,6 +62,8 @@ bool nfc_scene_saved_menu_on_event(void* context, SceneManagerEvent event) {
if(event.event == SubmenuIndexEmulate) {
if(nfc->dev->format == NfcDeviceSaveFormatMifareUl) {
scene_manager_next_scene(nfc->scene_manager, NfcSceneEmulateMifareUl);
} else if(nfc->dev->format == NfcDeviceSaveFormatMifareClassic) {
scene_manager_next_scene(nfc->scene_manager, NfcSceneEmulateMifareClassic);
} else {
scene_manager_next_scene(nfc->scene_manager, NfcSceneEmulateUid);
}