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u2f: check files before register/login (#980)

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Nikolay Minaylov 2022-02-07 16:34:09 +03:00 committed by GitHub
parent 8cfd0eab9e
commit 40479e1761
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 36 additions and 7 deletions
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7
applications/u2f/scenes/u2f_scene_main.c
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@ -28,6 +28,8 @@ static void u2f_scene_main_event_callback(U2fNotifyEvent evt, void* context) {
view_dispatcher_send_custom_event(app->view_dispatcher, U2fCustomEventConnect);
else if(evt == U2fNotifyDisconnect)
view_dispatcher_send_custom_event(app->view_dispatcher, U2fCustomEventDisconnect);
else if(evt == U2fNotifyError)
view_dispatcher_send_custom_event(app->view_dispatcher, U2fCustomEventDataError);
}
static void u2f_scene_main_timer_callback(void* context) {
@ -75,10 +77,13 @@ bool u2f_scene_main_on_event(void* context, SceneManagerEvent event) {
if(app->event_cur != U2fCustomEventNone) {
u2f_confirm_user_present(app->u2f_instance);
}
} else if(event.event == U2fCustomEventDataError) {
osTimerStop(app->timer);
u2f_view_set_state(app->u2f_view, U2fMsgError);
}
consumed = true;
} else if(event.type == SceneManagerEventTypeTick) {
}
return consumed;
}

14
applications/u2f/u2f.c
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@ -186,6 +186,13 @@ static uint16_t u2f_register(U2fData* U2F, uint8_t* buf) {
uint8_t hash[32];
uint8_t signature[64];
if(u2f_data_check(false) == false) {
U2F->ready = false;
if(U2F->callback != NULL) U2F->callback(U2fNotifyError, U2F->context);
memcpy(&buf[0], state_not_supported, 2);
return 2;
}
if(U2F->callback != NULL) U2F->callback(U2fNotifyRegister, U2F->context);
if(U2F->user_present == false) {
memcpy(&buf[0], state_user_missing, 2);
@ -250,6 +257,13 @@ static uint16_t u2f_authenticate(U2fData* U2F, uint8_t* buf) {
uint8_t hash[32];
uint8_t signature[64];
if(u2f_data_check(false) == false) {
U2F->ready = false;
if(U2F->callback != NULL) U2F->callback(U2fNotifyError, U2F->context);
memcpy(&buf[0], state_not_supported, 2);
return 2;
}
if(U2F->callback != NULL) U2F->callback(U2fNotifyAuth, U2F->context);
if(U2F->user_present == true) {
flags |= 1;

1
applications/u2f/u2f.h
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@ -13,6 +13,7 @@ typedef enum {
U2fNotifyWink,
U2fNotifyConnect,
U2fNotifyDisconnect,
U2fNotifyError,
} U2fNotifyEvent;
typedef struct U2fData U2fData;

2
applications/u2f/u2f_app.c
View File

@ -48,7 +48,7 @@ U2fApp* u2f_app_alloc() {
view_dispatcher_add_view(
app->view_dispatcher, U2fAppViewMain, u2f_view_get_view(app->u2f_view));
if(u2f_data_check()) {
if(u2f_data_check(true)) {
scene_manager_next_scene(app->scene_manager, U2fSceneMain);
} else {
scene_manager_next_scene(app->scene_manager, U2fSceneError);

1
applications/u2f/u2f_app_i.h
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@ -20,6 +20,7 @@ typedef enum {
U2fCustomEventConnect,
U2fCustomEventDisconnect,
U2fCustomEventDataError,
U2fCustomEventRegister,
U2fCustomEventAuth,

16
applications/u2f/u2f_data.c
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@ -38,17 +38,25 @@ typedef struct {
uint32_t control;
} __attribute__((packed)) U2fCounterData;
bool u2f_data_check() {
bool u2f_data_check(bool cert_only) {
bool state = false;
Storage* fs_api = furi_record_open("storage");
File* file = storage_file_alloc(fs_api);
if(storage_file_open(file, U2F_CERT_FILE, FSAM_READ, FSOM_OPEN_EXISTING)) {
do {
if(!storage_file_open(file, U2F_CERT_FILE, FSAM_READ, FSOM_OPEN_EXISTING)) break;
storage_file_close(file);
if(storage_file_open(file, U2F_CERT_KEY_FILE, FSAM_READ, FSOM_OPEN_EXISTING)) {
if(!storage_file_open(file, U2F_CERT_KEY_FILE, FSAM_READ, FSOM_OPEN_EXISTING)) break;
if(cert_only) {
state = true;
break;
}
}
storage_file_close(file);
if(!storage_file_open(file, U2F_KEY_FILE, FSAM_READ, FSOM_OPEN_EXISTING)) break;
storage_file_close(file);
if(!storage_file_open(file, U2F_CNT_FILE, FSAM_READ, FSOM_OPEN_EXISTING)) break;
state = true;
} while(0);
storage_file_close(file);
storage_file_free(file);

2
applications/u2f/u2f_data.h
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@ -6,7 +6,7 @@ extern "C" {
#include <furi.h>
bool u2f_data_check();
bool u2f_data_check(bool cert_only);
bool u2f_data_cert_check();