* Furi HAL: memory protection unit * Core: prohibit NULL dereferencing, even for reads. * Applications: fix NULL dereference * Core: stack protection by MPU * MPU: stack region alignment * Apps: fix null pointer dereferences * Threads: fix non-null arg check * Desktop settings: fix null pointer dereference * Core: documented null-check hack * Fix null dereference issues * Apps: args check * Core: naming fixes * format code * Core: remove NONNULL specifier * FurHal: move MPU initialization to begining, fix enum naming Co-authored-by: あく <alleteam@gmail.com>
		
			
				
	
	
		
			111 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include "bad_usb_app_i.h"
 | 
						|
#include "m-string.h"
 | 
						|
#include <furi.h>
 | 
						|
#include <furi_hal.h>
 | 
						|
#include <storage/storage.h>
 | 
						|
#include <lib/toolbox/path.h>
 | 
						|
 | 
						|
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);
 | 
						|
}
 | 
						|
 | 
						|
BadUsbApp* bad_usb_app_alloc(char* arg) {
 | 
						|
    BadUsbApp* app = malloc(sizeof(BadUsbApp));
 | 
						|
 | 
						|
    string_init(app->file_path);
 | 
						|
 | 
						|
    if(arg && strlen(arg)) {
 | 
						|
        string_set_str(app->file_path, arg);
 | 
						|
    }
 | 
						|
 | 
						|
    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->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;
 | 
						|
        scene_manager_next_scene(app->scene_manager, BadUsbSceneError);
 | 
						|
    } else {
 | 
						|
        if(!string_empty_p(app->file_path)) {
 | 
						|
            scene_manager_next_scene(app->scene_manager, BadUsbSceneWork);
 | 
						|
        } else {
 | 
						|
            string_set_str(app->file_path, BAD_USB_APP_PATH_FOLDER);
 | 
						|
            scene_manager_next_scene(app->scene_manager, BadUsbSceneFileSelect);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return app;
 | 
						|
}
 | 
						|
 | 
						|
void bad_usb_app_free(BadUsbApp* app) {
 | 
						|
    furi_assert(app);
 | 
						|
 | 
						|
    // 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);
 | 
						|
 | 
						|
    // 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);
 | 
						|
 | 
						|
    string_clear(app->file_path);
 | 
						|
 | 
						|
    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;
 | 
						|
}
 |