flipperzero-firmware/applications/bad_usb/bad_usb_app.c
SG eed4296890
MPU Hal (#1492)
* 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>
2022-08-04 00:47:10 +09:00

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;
}