NFC refactoring (#3050)
"A long time ago in a galaxy far, far away...." we started NFC subsystem refactoring. Starring: - @gornekich - NFC refactoring project lead, architect, senior developer - @gsurkov - architect, senior developer - @RebornedBrain - senior developer Supporting roles: - @skotopes, @DrZlo13, @hedger - general architecture advisors, code review - @Astrrra, @doomwastaken, @Hellitron, @ImagineVagon333 - quality assurance Special thanks: @bettse, @pcunning, @nxv, @noproto, @AloneLiberty and everyone else who has been helping us all this time and contributing valuable knowledges, ideas and source code.
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gornekich
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#include "mf_ultralight.h"
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#include "mf_ultralight_render.h"
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#include <nfc/protocols/mf_ultralight/mf_ultralight_poller.h>
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#include "nfc/nfc_app_i.h"
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#include "../nfc_protocol_support_common.h"
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#include "../nfc_protocol_support_gui_common.h"
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enum {
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SubmenuIndexUnlock = SubmenuIndexCommonMax,
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SubmenuIndexUnlockByReader,
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SubmenuIndexUnlockByPassword,
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};
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static void nfc_scene_info_on_enter_mf_ultralight(NfcApp* instance) {
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const NfcDevice* device = instance->nfc_device;
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const MfUltralightData* data = nfc_device_get_data(device, NfcProtocolMfUltralight);
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FuriString* temp_str = furi_string_alloc();
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furi_string_cat_printf(
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temp_str, "\e#%s\n", nfc_device_get_name(device, NfcDeviceNameTypeFull));
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nfc_render_mf_ultralight_info(data, NfcProtocolFormatTypeFull, temp_str);
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widget_add_text_scroll_element(
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instance->widget, 0, 0, 128, 52, furi_string_get_cstr(temp_str));
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furi_string_free(temp_str);
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}
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static void nfc_scene_more_info_on_enter_mf_ultralight(NfcApp* instance) {
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const NfcDevice* device = instance->nfc_device;
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const MfUltralightData* mfu = nfc_device_get_data(device, NfcProtocolMfUltralight);
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furi_string_reset(instance->text_box_store);
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nfc_render_mf_ultralight_dump(mfu, instance->text_box_store);
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text_box_set_font(instance->text_box, TextBoxFontHex);
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text_box_set_text(instance->text_box, furi_string_get_cstr(instance->text_box_store));
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view_dispatcher_switch_to_view(instance->view_dispatcher, NfcViewTextBox);
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}
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static NfcCommand
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nfc_scene_read_poller_callback_mf_ultralight(NfcGenericEvent event, void* context) {
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furi_assert(event.protocol == NfcProtocolMfUltralight);
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NfcApp* instance = context;
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const MfUltralightPollerEvent* mf_ultralight_event = event.event_data;
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if(mf_ultralight_event->type == MfUltralightPollerEventTypeReadSuccess) {
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nfc_device_set_data(
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instance->nfc_device, NfcProtocolMfUltralight, nfc_poller_get_data(instance->poller));
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view_dispatcher_send_custom_event(instance->view_dispatcher, NfcCustomEventPollerSuccess);
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return NfcCommandStop;
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} else if(mf_ultralight_event->type == MfUltralightPollerEventTypeAuthRequest) {
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nfc_device_set_data(
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instance->nfc_device, NfcProtocolMfUltralight, nfc_poller_get_data(instance->poller));
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const MfUltralightData* data =
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nfc_device_get_data(instance->nfc_device, NfcProtocolMfUltralight);
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if(instance->mf_ul_auth->type == MfUltralightAuthTypeXiaomi) {
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if(mf_ultralight_generate_xiaomi_pass(
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instance->mf_ul_auth,
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data->iso14443_3a_data->uid,
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data->iso14443_3a_data->uid_len)) {
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mf_ultralight_event->data->auth_context.skip_auth = false;
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}
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} else if(instance->mf_ul_auth->type == MfUltralightAuthTypeAmiibo) {
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if(mf_ultralight_generate_amiibo_pass(
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instance->mf_ul_auth,
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data->iso14443_3a_data->uid,
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data->iso14443_3a_data->uid_len)) {
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mf_ultralight_event->data->auth_context.skip_auth = false;
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}
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} else if(
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instance->mf_ul_auth->type == MfUltralightAuthTypeManual ||
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instance->mf_ul_auth->type == MfUltralightAuthTypeReader) {
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mf_ultralight_event->data->auth_context.skip_auth = false;
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} else {
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mf_ultralight_event->data->auth_context.skip_auth = true;
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}
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if(!mf_ultralight_event->data->auth_context.skip_auth) {
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mf_ultralight_event->data->auth_context.password = instance->mf_ul_auth->password;
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}
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} else if(mf_ultralight_event->type == MfUltralightPollerEventTypeAuthSuccess) {
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instance->mf_ul_auth->pack = mf_ultralight_event->data->auth_context.pack;
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}
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return NfcCommandContinue;
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}
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static void nfc_scene_read_on_enter_mf_ultralight(NfcApp* instance) {
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nfc_poller_start(instance->poller, nfc_scene_read_poller_callback_mf_ultralight, instance);
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}
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static void nfc_scene_read_and_saved_menu_on_enter_mf_ultralight(NfcApp* instance) {
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Submenu* submenu = instance->submenu;
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const MfUltralightData* data =
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nfc_device_get_data(instance->nfc_device, NfcProtocolMfUltralight);
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if(!mf_ultralight_is_all_data_read(data)) {
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submenu_add_item(
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submenu,
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"Unlock",
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SubmenuIndexUnlock,
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nfc_protocol_support_common_submenu_callback,
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instance);
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}
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}
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static void nfc_scene_read_success_on_enter_mf_ultralight(NfcApp* instance) {
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const NfcDevice* device = instance->nfc_device;
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const MfUltralightData* data = nfc_device_get_data(device, NfcProtocolMfUltralight);
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FuriString* temp_str = furi_string_alloc();
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bool unlocked =
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scene_manager_has_previous_scene(instance->scene_manager, NfcSceneMfUltralightUnlockWarn);
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if(unlocked) {
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nfc_render_mf_ultralight_pwd_pack(data, temp_str);
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} else {
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furi_string_cat_printf(
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temp_str, "\e#%s\n", nfc_device_get_name(device, NfcDeviceNameTypeFull));
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nfc_render_mf_ultralight_info(data, NfcProtocolFormatTypeShort, temp_str);
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}
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mf_ultralight_auth_reset(instance->mf_ul_auth);
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widget_add_text_scroll_element(
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instance->widget, 0, 0, 128, 52, furi_string_get_cstr(temp_str));
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furi_string_free(temp_str);
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}
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static void nfc_scene_emulate_on_enter_mf_ultralight(NfcApp* instance) {
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const MfUltralightData* data =
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nfc_device_get_data(instance->nfc_device, NfcProtocolMfUltralight);
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instance->listener = nfc_listener_alloc(instance->nfc, NfcProtocolMfUltralight, data);
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nfc_listener_start(instance->listener, NULL, NULL);
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}
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static bool
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nfc_scene_read_and_saved_menu_on_event_mf_ultralight(NfcApp* instance, uint32_t event) {
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if(event == SubmenuIndexUnlock) {
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scene_manager_next_scene(instance->scene_manager, NfcSceneMfUltralightUnlockMenu);
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return true;
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}
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return false;
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}
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const NfcProtocolSupportBase nfc_protocol_support_mf_ultralight = {
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.features = NfcProtocolFeatureEmulateFull | NfcProtocolFeatureMoreInfo,
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.scene_info =
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{
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.on_enter = nfc_scene_info_on_enter_mf_ultralight,
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.on_event = nfc_protocol_support_common_on_event_empty,
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},
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.scene_more_info =
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{
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.on_enter = nfc_scene_more_info_on_enter_mf_ultralight,
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.on_event = nfc_protocol_support_common_on_event_empty,
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},
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.scene_read =
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{
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.on_enter = nfc_scene_read_on_enter_mf_ultralight,
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.on_event = nfc_protocol_support_common_on_event_empty,
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},
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.scene_read_menu =
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{
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.on_enter = nfc_scene_read_and_saved_menu_on_enter_mf_ultralight,
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.on_event = nfc_scene_read_and_saved_menu_on_event_mf_ultralight,
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},
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.scene_read_success =
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{
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.on_enter = nfc_scene_read_success_on_enter_mf_ultralight,
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.on_event = nfc_protocol_support_common_on_event_empty,
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},
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.scene_saved_menu =
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{
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.on_enter = nfc_scene_read_and_saved_menu_on_enter_mf_ultralight,
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.on_event = nfc_scene_read_and_saved_menu_on_event_mf_ultralight,
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},
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.scene_save_name =
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{
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.on_enter = nfc_protocol_support_common_on_enter_empty,
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.on_event = nfc_protocol_support_common_on_event_empty,
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},
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.scene_emulate =
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{
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.on_enter = nfc_scene_emulate_on_enter_mf_ultralight,
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.on_event = nfc_protocol_support_common_on_event_empty,
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},
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};
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@@ -0,0 +1,5 @@
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#pragma once
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#include "../nfc_protocol_support_base.h"
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extern const NfcProtocolSupportBase nfc_protocol_support_mf_ultralight;
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@@ -0,0 +1,45 @@
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#include "mf_ultralight_render.h"
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#include "../iso14443_3a/iso14443_3a_render.h"
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static void nfc_render_mf_ultralight_pages_count(const MfUltralightData* data, FuriString* str) {
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furi_string_cat_printf(str, "\nPages Read: %u/%u", data->pages_read, data->pages_total);
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if(data->pages_read != data->pages_total) {
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furi_string_cat_printf(str, "\nPassword-protected pages!");
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}
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}
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void nfc_render_mf_ultralight_pwd_pack(const MfUltralightData* data, FuriString* str) {
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bool all_pages = mf_ultralight_is_all_data_read(data);
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furi_string_cat_printf(str, "\e#%s pages unlocked!", all_pages ? "All" : "Not all");
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MfUltralightConfigPages* config;
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mf_ultralight_get_config_page(data, &config);
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furi_string_cat_printf(str, "\nPassword: ");
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nfc_render_iso14443_3a_format_bytes(
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str, config->password.data, MF_ULTRALIGHT_AUTH_PASSWORD_SIZE);
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furi_string_cat_printf(str, "\nPACK: ");
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nfc_render_iso14443_3a_format_bytes(str, config->pack.data, MF_ULTRALIGHT_AUTH_PACK_SIZE);
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nfc_render_mf_ultralight_pages_count(data, str);
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}
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void nfc_render_mf_ultralight_info(
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const MfUltralightData* data,
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NfcProtocolFormatType format_type,
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FuriString* str) {
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nfc_render_iso14443_3a_info(data->iso14443_3a_data, format_type, str);
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nfc_render_mf_ultralight_pages_count(data, str);
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}
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void nfc_render_mf_ultralight_dump(const MfUltralightData* data, FuriString* str) {
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for(size_t i = 0; i < data->pages_read; i++) {
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const uint8_t* page_data = data->page[i].data;
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for(size_t j = 0; j < MF_ULTRALIGHT_PAGE_SIZE; j += 2) {
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furi_string_cat_printf(str, "%02X%02X ", page_data[j], page_data[j + 1]);
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}
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}
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}
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@@ -0,0 +1,14 @@
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#pragma once
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#include <nfc/protocols/mf_ultralight/mf_ultralight.h>
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#include "../nfc_protocol_support_render_common.h"
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void nfc_render_mf_ultralight_info(
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const MfUltralightData* data,
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NfcProtocolFormatType format_type,
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FuriString* str);
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void nfc_render_mf_ultralight_dump(const MfUltralightData* data, FuriString* str);
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void nfc_render_mf_ultralight_pwd_pack(const MfUltralightData* data, FuriString* str);
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