flipperzero-firmware/applications/main/bad_usb/bad_usb_app.c

186 lines
6.1 KiB
C

#include "bad_usb_app_i.h"
#include "bad_usb_settings_filename.h"
#include <furi.h>
#include <furi_hal.h>
#include <storage/storage.h>
#include <lib/toolbox/path.h>
#define BAD_USB_SETTINGS_PATH BAD_USB_APP_BASE_FOLDER "/" BAD_USB_SETTINGS_FILE_NAME
static bool bad_usb_app_custom_event_callback(void* context, uint32_t event) {
furi_assert(context);
BadUsbApp* app = context;
return scene_manager_handle_custom_event(app->scene_manager, event);
}
static bool bad_usb_app_back_event_callback(void* context) {
furi_assert(context);
BadUsbApp* app = context;
return scene_manager_handle_back_event(app->scene_manager);
}
static void bad_usb_app_tick_event_callback(void* context) {
furi_assert(context);
BadUsbApp* app = context;
scene_manager_handle_tick_event(app->scene_manager);
}
static void bad_usb_load_settings(BadUsbApp* app) {
File* settings_file = storage_file_alloc(furi_record_open(RECORD_STORAGE));
if(storage_file_open(settings_file, BAD_USB_SETTINGS_PATH, FSAM_READ, FSOM_OPEN_EXISTING)) {
char chr;
while((storage_file_read(settings_file, &chr, 1) == 1) &&
!storage_file_eof(settings_file) && !isspace(chr)) {
furi_string_push_back(app->keyboard_layout, chr);
}
} else {
furi_string_reset(app->keyboard_layout);
}
storage_file_close(settings_file);
storage_file_free(settings_file);
if(!furi_string_empty(app->keyboard_layout)) {
Storage* fs_api = furi_record_open(RECORD_STORAGE);
FileInfo layout_file_info;
FS_Error file_check_err = storage_common_stat(
fs_api, furi_string_get_cstr(app->keyboard_layout), &layout_file_info);
furi_record_close(RECORD_STORAGE);
if(file_check_err != FSE_OK) {
furi_string_reset(app->keyboard_layout);
return;
}
if(layout_file_info.size != 256) {
furi_string_reset(app->keyboard_layout);
}
}
}
static void bad_usb_save_settings(BadUsbApp* app) {
File* settings_file = storage_file_alloc(furi_record_open(RECORD_STORAGE));
if(storage_file_open(settings_file, BAD_USB_SETTINGS_PATH, FSAM_WRITE, FSOM_OPEN_ALWAYS)) {
storage_file_write(
settings_file,
furi_string_get_cstr(app->keyboard_layout),
furi_string_size(app->keyboard_layout));
storage_file_write(settings_file, "\n", 1);
}
storage_file_close(settings_file);
storage_file_free(settings_file);
}
BadUsbApp* bad_usb_app_alloc(char* arg) {
BadUsbApp* app = malloc(sizeof(BadUsbApp));
app->bad_usb_script = NULL;
app->file_path = furi_string_alloc();
app->keyboard_layout = furi_string_alloc();
if(arg && strlen(arg)) {
furi_string_set(app->file_path, arg);
}
bad_usb_load_settings(app);
app->gui = furi_record_open(RECORD_GUI);
app->notifications = furi_record_open(RECORD_NOTIFICATION);
app->dialogs = furi_record_open(RECORD_DIALOGS);
app->view_dispatcher = view_dispatcher_alloc();
view_dispatcher_enable_queue(app->view_dispatcher);
app->scene_manager = scene_manager_alloc(&bad_usb_scene_handlers, app);
view_dispatcher_set_event_callback_context(app->view_dispatcher, app);
view_dispatcher_set_tick_event_callback(
app->view_dispatcher, bad_usb_app_tick_event_callback, 500);
view_dispatcher_set_custom_event_callback(
app->view_dispatcher, bad_usb_app_custom_event_callback);
view_dispatcher_set_navigation_event_callback(
app->view_dispatcher, bad_usb_app_back_event_callback);
// Custom Widget
app->widget = widget_alloc();
view_dispatcher_add_view(
app->view_dispatcher, BadUsbAppViewError, widget_get_view(app->widget));
app->submenu = submenu_alloc();
view_dispatcher_add_view(
app->view_dispatcher, BadUsbAppViewConfig, submenu_get_view(app->submenu));
app->bad_usb_view = bad_usb_alloc();
view_dispatcher_add_view(
app->view_dispatcher, BadUsbAppViewWork, bad_usb_get_view(app->bad_usb_view));
view_dispatcher_attach_to_gui(app->view_dispatcher, app->gui, ViewDispatcherTypeFullscreen);
if(furi_hal_usb_is_locked()) {
app->error = BadUsbAppErrorCloseRpc;
app->usb_if_prev = NULL;
scene_manager_next_scene(app->scene_manager, BadUsbSceneError);
} else {
app->usb_if_prev = furi_hal_usb_get_config();
furi_check(furi_hal_usb_set_config(NULL, NULL));
if(!furi_string_empty(app->file_path)) {
app->bad_usb_script = bad_usb_script_open(app->file_path);
bad_usb_script_set_keyboard_layout(app->bad_usb_script, app->keyboard_layout);
scene_manager_next_scene(app->scene_manager, BadUsbSceneWork);
} else {
furi_string_set(app->file_path, BAD_USB_APP_BASE_FOLDER);
scene_manager_next_scene(app->scene_manager, BadUsbSceneFileSelect);
}
}
return app;
}
void bad_usb_app_free(BadUsbApp* app) {
furi_assert(app);
if(app->bad_usb_script) {
bad_usb_script_close(app->bad_usb_script);
app->bad_usb_script = NULL;
}
if(app->usb_if_prev) {
furi_check(furi_hal_usb_set_config(app->usb_if_prev, NULL));
}
// Views
view_dispatcher_remove_view(app->view_dispatcher, BadUsbAppViewWork);
bad_usb_free(app->bad_usb_view);
// Custom Widget
view_dispatcher_remove_view(app->view_dispatcher, BadUsbAppViewError);
widget_free(app->widget);
// Submenu
view_dispatcher_remove_view(app->view_dispatcher, BadUsbAppViewConfig);
submenu_free(app->submenu);
// View dispatcher
view_dispatcher_free(app->view_dispatcher);
scene_manager_free(app->scene_manager);
// Close records
furi_record_close(RECORD_GUI);
furi_record_close(RECORD_NOTIFICATION);
furi_record_close(RECORD_DIALOGS);
bad_usb_save_settings(app);
furi_string_free(app->file_path);
furi_string_free(app->keyboard_layout);
free(app);
}
int32_t bad_usb_app(void* p) {
BadUsbApp* bad_usb_app = bad_usb_app_alloc((char*)p);
view_dispatcher_run(bad_usb_app->view_dispatcher);
bad_usb_app_free(bad_usb_app);
return 0;
}