You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
103 lines
2.4 KiB
103 lines
2.4 KiB
// Copyright 2022 QMK
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#include "secure.h"
|
|
#include "timer.h"
|
|
#include "util.h"
|
|
|
|
#ifndef SECURE_UNLOCK_TIMEOUT
|
|
# define SECURE_UNLOCK_TIMEOUT 5000
|
|
#endif
|
|
|
|
#ifndef SECURE_IDLE_TIMEOUT
|
|
# define SECURE_IDLE_TIMEOUT 60000
|
|
#endif
|
|
|
|
#ifndef SECURE_UNLOCK_SEQUENCE
|
|
# define SECURE_UNLOCK_SEQUENCE \
|
|
{ \
|
|
{ 0, 0 } \
|
|
}
|
|
#endif
|
|
|
|
static secure_status_t secure_status = SECURE_LOCKED;
|
|
static uint32_t unlock_time = 0;
|
|
static uint32_t idle_time = 0;
|
|
|
|
static void secure_hook(secure_status_t secure_status) {
|
|
secure_hook_quantum(secure_status);
|
|
secure_hook_kb(secure_status);
|
|
}
|
|
|
|
secure_status_t secure_get_status(void) {
|
|
return secure_status;
|
|
}
|
|
|
|
void secure_lock(void) {
|
|
secure_status = SECURE_LOCKED;
|
|
secure_hook(secure_status);
|
|
}
|
|
|
|
void secure_unlock(void) {
|
|
secure_status = SECURE_UNLOCKED;
|
|
idle_time = timer_read32();
|
|
secure_hook(secure_status);
|
|
}
|
|
|
|
void secure_request_unlock(void) {
|
|
if (secure_status == SECURE_LOCKED) {
|
|
secure_status = SECURE_PENDING;
|
|
unlock_time = timer_read32();
|
|
}
|
|
secure_hook(secure_status);
|
|
}
|
|
|
|
void secure_activity_event(void) {
|
|
if (secure_status == SECURE_UNLOCKED) {
|
|
idle_time = timer_read32();
|
|
}
|
|
}
|
|
|
|
void secure_keypress_event(uint8_t row, uint8_t col) {
|
|
static const uint8_t sequence[][2] = SECURE_UNLOCK_SEQUENCE;
|
|
static const uint8_t sequence_len = ARRAY_SIZE(sequence);
|
|
|
|
static uint8_t offset = 0;
|
|
if ((sequence[offset][0] == row) && (sequence[offset][1] == col)) {
|
|
offset++;
|
|
if (offset == sequence_len) {
|
|
offset = 0;
|
|
secure_unlock();
|
|
}
|
|
} else {
|
|
offset = 0;
|
|
secure_lock();
|
|
}
|
|
}
|
|
|
|
void secure_task(void) {
|
|
#if SECURE_UNLOCK_TIMEOUT != 0
|
|
// handle unlock timeout
|
|
if (secure_status == SECURE_PENDING) {
|
|
if (timer_elapsed32(unlock_time) >= SECURE_UNLOCK_TIMEOUT) {
|
|
secure_lock();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if SECURE_IDLE_TIMEOUT != 0
|
|
// handle idle timeout
|
|
if (secure_status == SECURE_UNLOCKED) {
|
|
if (timer_elapsed32(idle_time) >= SECURE_IDLE_TIMEOUT) {
|
|
secure_lock();
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
__attribute__((weak)) bool secure_hook_user(secure_status_t secure_status) {
|
|
return true;
|
|
}
|
|
__attribute__((weak)) bool secure_hook_kb(secure_status_t secure_status) {
|
|
return secure_hook_user(secure_status);
|
|
}
|