NFC - Machine Readable Travel Documents

.gitignore

@@ -54,3 +54,6 @@ openocd.log
 # PVS Studio temporary files
 .PVS-Studio/
 PVS-Studio.log
+
+#TODO: remove
+applications/main/nfc/test_bac_creds.h

applications/main/nfc/nfc.c

@@ -85,6 +85,13 @@ Nfc* nfc_alloc() {
         nfc->view_dispatcher, NfcViewTextBox, text_box_get_view(nfc->text_box));
     nfc->text_box_store = furi_string_alloc();
 
+    // Variable Item List
+    nfc->variable_item_list = variable_item_list_alloc();
+    view_dispatcher_add_view(
+        nfc->view_dispatcher,
+        NfcViewVarItemList,
+        variable_item_list_get_view(nfc->variable_item_list));
+
     // Custom Widget
     nfc->widget = widget_alloc();
     view_dispatcher_add_view(nfc->view_dispatcher, NfcViewWidget, widget_get_view(nfc->widget));
@@ -155,6 +162,10 @@ void nfc_free(Nfc* nfc) {
     text_box_free(nfc->text_box);
     furi_string_free(nfc->text_box_store);
 
+    // Variable Item List
+    view_dispatcher_remove_view(nfc->view_dispatcher, NfcViewVarItemList);
+    variable_item_list_free(nfc->variable_item_list);
+
     // Custom Widget
     view_dispatcher_remove_view(nfc->view_dispatcher, NfcViewWidget);
     widget_free(nfc->widget);

applications/main/nfc/nfc_i.h

@@ -20,6 +20,7 @@
 #include <gui/modules/byte_input.h>
 #include <gui/modules/text_box.h>
 #include <gui/modules/widget.h>
+#include <gui/modules/variable_item_list.h>
 
 #include <lib/nfc/nfc_types.h>
 #include <lib/nfc/nfc_worker.h>
@@ -77,6 +78,7 @@ struct Nfc {
     TextInput* text_input;
     ByteInput* byte_input;
     TextBox* text_box;
+    VariableItemList* variable_item_list;
     Widget* widget;
     DictAttack* dict_attack;
     DetectReader* detect_reader;
@@ -92,6 +94,7 @@ typedef enum {
     NfcViewTextInput,
     NfcViewByteInput,
     NfcViewTextBox,
+    NfcViewVarItemList,
     NfcViewWidget,
     NfcViewDictAttack,
     NfcViewDetectReader,

applications/main/nfc/scenes/nfc_scene_config.h

@@ -38,6 +38,14 @@ ADD_SCENE(nfc, mf_classic_keys_warn_duplicate, MfClassicKeysWarnDuplicate)
 ADD_SCENE(nfc, mf_classic_dict_attack, MfClassicDictAttack)
 ADD_SCENE(nfc, emv_read_success, EmvReadSuccess)
 ADD_SCENE(nfc, emv_menu, EmvMenu)
+ADD_SCENE(nfc, passport_read, PassportReadSuccess)
+ADD_SCENE(nfc, passport_read_auth, PassportReadAuthSuccess)
+ADD_SCENE(nfc, passport_menu, PassportMenu)
+ADD_SCENE(nfc, passport_auth, PassportAuth)
+ADD_SCENE(nfc, passport_auth_save_name, PassportAuthSaveName)
+ADD_SCENE(nfc, passport_date, PassportDate)
+ADD_SCENE(nfc, passport_docnr, PassportDocNr)
+ADD_SCENE(nfc, passport_pace_todo, PassportPaceTodo)
 ADD_SCENE(nfc, emulate_apdu_sequence, EmulateApduSequence)
 ADD_SCENE(nfc, device_info, DeviceInfo)
 ADD_SCENE(nfc, delete, Delete)

applications/main/nfc/scenes/nfc_scene_nfc_data_info.c

@@ -32,6 +32,8 @@ void nfc_scene_nfc_data_info_on_enter(void* context) {
     // Set tag type
     if(protocol == NfcDeviceProtocolEMV) {
         furi_string_cat_printf(temp_str, "\e#EMV Bank Card\n");
+    } else if(protocol == NfcDeviceProtocolMRTD) {
+        furi_string_cat_printf(temp_str, "\e#Passport/ID\n");
     } else if(protocol == NfcDeviceProtocolMifareUl) {
         furi_string_cat_printf(
             temp_str, "\e#%s\n", nfc_mf_ul_type(dev_data->mf_ul_data.type, true));
@@ -131,4 +133,4 @@ void nfc_scene_nfc_data_info_on_exit(void* context) {
     Nfc* nfc = context;
 
     widget_reset(nfc->widget);
-}
+}

applications/main/nfc/scenes/nfc_scene_passport_auth.c

@@ -0,0 +1,189 @@
+#include "../nfc_i.h"
+
+#define TAG "PassportAuth"
+
+#define MRTD_AUTH_METHOD_COUNT 4
+// Must match MrtdAuthMethod size (lib/nfc/protocols/mrtd_helpers.h)
+
+typedef enum {
+    NfcScenePassportAuthSelectDob,
+    NfcScenePassportAuthSelectDoe,
+    NfcScenePassportAuthSelectDocNr,
+    NfcScenePassportAuthSelectMethod,
+    NfcScenePassportAuthSelectAuth,
+    NfcScenePassportAuthSelectSave,
+    NfcScenePassportAuthSelectLoad,
+} NfcScenePassportAuthSelect;
+
+void nfc_scene_passport_auth_var_list_enter_callback(void* context, uint32_t index) {
+    Nfc* nfc = context;
+    view_dispatcher_send_custom_event(nfc->view_dispatcher, index);
+}
+
+void nfc_scene_passport_auth_method_changed(VariableItem* item) {
+    Nfc* nfc = variable_item_get_context(item);
+    uint8_t index = variable_item_get_current_value_index(item);
+    nfc->dev->dev_data.mrtd_data.auth.method = index;
+    variable_item_set_current_value_text(item, mrtd_auth_method_string(index));
+}
+
+bool nfc_scene_passport_auth_load(Nfc* nfc) {
+    const DialogsFileBrowserOptions browser_options = {
+        .extension = MRTD_APP_EXTENSION,
+        .skip_assets = true,
+        .icon = &I_u2f_10px,
+        .hide_ext = true,
+        .item_loader_callback = NULL,
+        .item_loader_context = NULL,
+    };
+
+    FuriString* mrtd_app_folder;
+    mrtd_app_folder = furi_string_alloc_set(MRTD_APP_FOLDER);
+
+    FuriString* file_path;
+    file_path = furi_string_alloc();
+
+    bool res = dialog_file_browser_show(nfc->dev->dialogs, file_path, mrtd_app_folder, &browser_options);
+
+    furi_string_free(mrtd_app_folder);
+
+    if(res) {
+        mrtd_auth_params_load(
+                nfc->dev->storage,
+                nfc->dev->dialogs,
+                &nfc->dev->dev_data.mrtd_data.auth,
+                furi_string_get_cstr(file_path),
+                true);
+
+        nfc_scene_passport_auth_on_enter(nfc);
+        variable_item_list_set_selected_item(nfc->variable_item_list, NfcScenePassportAuthSelectAuth);
+    }
+
+    return res;
+}
+
+void nfc_scene_passport_auth_on_enter(void* context) {
+    Nfc* nfc = context;
+    MrtdData* mrtd_data = &nfc->dev->dev_data.mrtd_data;
+
+    // By entering the Auth menu, we default to Auth: Any
+    MrtdAuthMethod* auth_method = &mrtd_data->auth.method;
+    if(*auth_method == MrtdAuthMethodNone) {
+        *auth_method = MrtdAuthMethodAny;
+    }
+
+    VariableItemList* variable_item_list = nfc->variable_item_list;
+    variable_item_list_reset(variable_item_list);
+
+    VariableItem* item;
+    uint8_t value_index;
+
+    const size_t temp_str_size = 15;
+    char temp_str[temp_str_size];
+
+    snprintf(temp_str, temp_str_size, "%02u%02u%02u",
+        mrtd_data->auth.birth_date.year,
+        mrtd_data->auth.birth_date.month,
+        mrtd_data->auth.birth_date.day);
+
+    item = variable_item_list_add(variable_item_list, "Birth Date", 1, NULL, NULL);
+    variable_item_set_current_value_text(item, temp_str);
+
+    snprintf(temp_str, temp_str_size, "%02u%02u%02u",
+        mrtd_data->auth.expiry_date.year,
+        mrtd_data->auth.expiry_date.month,
+        mrtd_data->auth.expiry_date.day);
+
+    item = variable_item_list_add(variable_item_list, "Expiry Date", 1, NULL, NULL);
+    variable_item_set_current_value_text(item, temp_str);
+
+    item = variable_item_list_add(variable_item_list, "Document Nr.", 1, NULL, NULL);
+
+    strncpy(temp_str, mrtd_data->auth.doc_number, temp_str_size);
+    temp_str[temp_str_size] = '\x00';
+    if(strlen(temp_str) > 8) {
+        temp_str[8] = '.';
+        temp_str[9] = '.';
+        temp_str[10] = '.';
+        temp_str[11] = '\x00';
+    }
+    variable_item_set_current_value_text(
+        item,
+        temp_str);
+
+    item = variable_item_list_add(
+        variable_item_list,
+        "Method",
+        MRTD_AUTH_METHOD_COUNT,
+        nfc_scene_passport_auth_method_changed,
+        nfc);
+
+    value_index = *auth_method;
+    variable_item_set_current_value_index(item, value_index);
+    variable_item_set_current_value_text(item, mrtd_auth_method_string(value_index));
+
+    variable_item_list_add(variable_item_list, "Authenticate and read", 1, NULL, NULL);
+
+    variable_item_list_add(variable_item_list, "Save parameters", 1, NULL, NULL);
+    variable_item_list_add(variable_item_list, "Load parameters", 1, NULL, NULL);
+
+    variable_item_list_set_enter_callback(
+        variable_item_list, nfc_scene_passport_auth_var_list_enter_callback, nfc);
+    view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewVarItemList);
+}
+
+bool nfc_scene_passport_auth_on_event(void* context, SceneManagerEvent event) {
+    Nfc* nfc = context;
+    bool consumed = false;
+
+    if(event.type == SceneManagerEventTypeCustom) {
+        FURI_LOG_D(TAG, "event.event: %ld", event.event);
+        switch(event.event) {
+        case NfcScenePassportAuthSelectLoad:
+            nfc_scene_passport_auth_load(nfc);
+            consumed = true;
+            break;
+        case NfcScenePassportAuthSelectDob:
+            scene_manager_set_scene_state(nfc->scene_manager, NfcScenePassportDate, 0);
+            scene_manager_next_scene(nfc->scene_manager, NfcScenePassportDate);
+            consumed = true;
+            break;
+        case NfcScenePassportAuthSelectDoe:
+            scene_manager_set_scene_state(nfc->scene_manager, NfcScenePassportDate, 1);
+            scene_manager_next_scene(nfc->scene_manager, NfcScenePassportDate);
+            consumed = true;
+            break;
+        case NfcScenePassportAuthSelectDocNr:
+            scene_manager_next_scene(nfc->scene_manager, NfcScenePassportDocNr);
+            consumed = true;
+            break;
+        case NfcScenePassportAuthSelectMethod:
+            consumed = true;
+            break;
+        case NfcScenePassportAuthSelectAuth:
+            if(nfc->dev->dev_data.mrtd_data.auth.method == MrtdAuthMethodPace) {
+                scene_manager_next_scene(nfc->scene_manager, NfcScenePassportPaceTodo);
+            } else {
+                nfc_device_clear(nfc->dev);
+                scene_manager_next_scene(nfc->scene_manager, NfcSceneRead);
+            }
+            consumed = true;
+            break;
+        case NfcScenePassportAuthSelectSave:
+            scene_manager_next_scene(nfc->scene_manager, NfcScenePassportAuthSaveName);
+            consumed = true;
+            break;
+        }
+    } else if(event.type == SceneManagerEventTypeBack) {
+        consumed = scene_manager_previous_scene(nfc->scene_manager);
+    }
+
+    return consumed;
+}
+
+void nfc_scene_passport_auth_on_exit(void* context) {
+    Nfc* nfc = context;
+
+    // Clear view
+    variable_item_list_reset(nfc->variable_item_list);
+}

applications/main/nfc/scenes/nfc_scene_passport_auth_save_name.c

@@ -0,0 +1,81 @@
+#include "../nfc_i.h"
+#include <lib/toolbox/random_name.h>
+#include <gui/modules/validators.h>
+#include <toolbox/path.h>
+
+void nfc_scene_passport_auth_save_name_text_input_callback(void* context) {
+    Nfc* nfc = context;
+
+    view_dispatcher_send_custom_event(nfc->view_dispatcher, NfcCustomEventTextInputDone);
+}
+
+void nfc_scene_passport_auth_save_name_on_enter(void* context) {
+    Nfc* nfc = context;
+
+    MrtdData* mrtd_data = &nfc->dev->dev_data.mrtd_data;
+
+    // Setup view
+    TextInput* text_input = nfc->text_input;
+    bool docnr_empty = false;
+    if(!strcmp(mrtd_data->auth.doc_number, "")) {
+        set_random_name(nfc->text_store, sizeof(nfc->text_store));
+        docnr_empty = true;
+    } else {
+        nfc_text_store_set(nfc, mrtd_data->auth.doc_number);
+    }
+    text_input_set_header_text(text_input, "Name the parameters");
+    text_input_set_result_callback(
+        text_input,
+        nfc_scene_passport_auth_save_name_text_input_callback,
+        nfc,
+        nfc->text_store,
+        NFC_DEV_NAME_MAX_LEN,
+        docnr_empty);
+
+    FuriString* folder_path;
+    folder_path = furi_string_alloc();
+
+    if(furi_string_end_with(nfc->dev->load_path, NFC_APP_EXTENSION)) {
+        path_extract_dirname(furi_string_get_cstr(nfc->dev->load_path), folder_path);
+    } else {
+        furi_string_set(folder_path, NFC_APP_FOLDER);
+    }
+
+    ValidatorIsFile* validator_is_file = validator_is_file_alloc_init(
+        furi_string_get_cstr(folder_path), NFC_APP_EXTENSION, NULL);
+    text_input_set_validator(text_input, validator_is_file_callback, validator_is_file);
+
+    view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewTextInput);
+
+    furi_string_free(folder_path);
+}
+
+bool nfc_scene_passport_auth_save_name_on_event(void* context, SceneManagerEvent event) {
+    Nfc* nfc = context;
+    MrtdData* mrtd_data = &nfc->dev->dev_data.mrtd_data;
+    bool consumed = false;
+
+    if(event.type == SceneManagerEventTypeCustom) {
+        if(event.event == NfcCustomEventTextInputDone) {
+            if(mrtd_auth_params_save(nfc->dev->storage, nfc->dev->dialogs, &mrtd_data->auth, nfc->text_store)) {
+                scene_manager_next_scene(nfc->scene_manager, NfcSceneSaveSuccess);
+                consumed = true;
+            } else {
+                consumed = scene_manager_search_and_switch_to_previous_scene(
+                    nfc->scene_manager, NfcSceneStart);
+            }
+        }
+    }
+    return consumed;
+}
+
+void nfc_scene_passport_auth_save_name_on_exit(void* context) {
+    Nfc* nfc = context;
+
+    // Clear view
+    void* validator_context = text_input_get_validator_callback_context(nfc->text_input);
+    text_input_set_validator(nfc->text_input, NULL, NULL);
+    validator_is_file_free(validator_context);
+
+    text_input_reset(nfc->text_input);
+}