bool protectPin(bool use_cached)
{
if (!storage.has_pin || storage.pin[0] == 0 || (use_cached && session_isPinCached())) {
return true;
}
uint32_t *fails = storage_getPinFailsPtr();
uint32_t wait = ~*fails;
protectCheckMaxTry(wait);
usbTiny(1);
while (wait > 0) {
// convert wait to secstr string
char secstrbuf[20];
strlcpy(secstrbuf, _("________0 seconds"), sizeof(secstrbuf));
char *secstr = secstrbuf + 9;
uint32_t secs = wait;
while (secs > 0 && secstr >= secstrbuf) {
secstr--;
*secstr = (secs % 10) + '0';
secs /= 10;
}
if (wait == 1) {
secstrbuf[16] = 0;
}
layoutDialog(&bmp_icon_info, NULL, NULL, NULL, _("Wrong PIN entered"), NULL, _("Please wait"), secstr, _("to continue ..."), NULL);
// wait one second
usbSleep(1000);
if (msg_tiny_id == MessageType_MessageType_Initialize) {
protectAbortedByInitialize = true;
msg_tiny_id = 0xFFFF;
usbTiny(0);
fsm_sendFailure(FailureType_Failure_PinCancelled, NULL);
return false;
}
wait--;
}
usbTiny(0);
const char *pin;
pin = requestPin(PinMatrixRequestType_PinMatrixRequestType_Current, _("Please enter current PIN:"));
if (!pin) {
fsm_sendFailure(FailureType_Failure_PinCancelled, NULL);
return false;
}
if (!storage_increasePinFails(fails)) {
fsm_sendFailure(FailureType_Failure_PinInvalid, NULL);
return false;
}
if (storage_containsPin(pin)) {
session_cachePin();
storage_resetPinFails(fails);
return true;
} else {
protectCheckMaxTry(~*fails);
fsm_sendFailure(FailureType_Failure_PinInvalid, NULL);
return false;
}
}
bool protectButton(ButtonRequestType type, bool confirm_only)
{
ButtonRequest resp;
bool result = false;
bool acked = false;
#if DEBUG_LINK
bool debug_decided = false;
#endif
memset(&resp, 0, sizeof(ButtonRequest));
resp.has_code = true;
resp.code = type;
usbTiny(1);
buttonUpdate(); // Clear button state
msg_write(MessageType_MessageType_ButtonRequest, &resp);
for (;;) {
usbPoll();
// check for ButtonAck
if (msg_tiny_id == MessageType_MessageType_ButtonAck) {
msg_tiny_id = 0xFFFF;
acked = true;
}
// button acked - check buttons
if (acked) {
usbSleep(5);
buttonUpdate();
if (button.YesUp) {
result = true;
break;
}
if (!confirm_only && button.NoUp) {
result = false;
break;
}
}
// check for Cancel / Initialize
if (msg_tiny_id == MessageType_MessageType_Cancel || msg_tiny_id == MessageType_MessageType_Initialize) {
if (msg_tiny_id == MessageType_MessageType_Initialize) {
protectAbortedByInitialize = true;
}
msg_tiny_id = 0xFFFF;
result = false;
break;
}
#if DEBUG_LINK
// check DebugLink
if (msg_tiny_id == MessageType_MessageType_DebugLinkDecision) {
msg_tiny_id = 0xFFFF;
DebugLinkDecision *dld = (DebugLinkDecision *)msg_tiny;
result = dld->yes_no;
debug_decided = true;
}
if (acked && debug_decided) {
break;
}
if (msg_tiny_id == MessageType_MessageType_DebugLinkGetState) {
msg_tiny_id = 0xFFFF;
fsm_msgDebugLinkGetState((DebugLinkGetState *)msg_tiny);
}
#endif
}
usbTiny(0);
return result;
}
void hal_delay(uint32_t ms) { usbSleep(ms); }
