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Code Issues Releases Wiki Activity

Fix check for max try and add another check before

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Jochen Hoenicke 2017-07-31 13:02:44 +02:00 committed by Pavol Rusnak
parent 0feede5a01
commit 33ed08ec32
1 changed files with 13 additions and 7 deletions
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18
firmware/protect.c
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@ -144,6 +144,15 @@ const char *requestPin(PinMatrixRequestType type, const char *text)
} }
} }
static void protectCheckMaxTry(uint32_t wait) {
if (wait < (1 << MAX_WRONG_PINS))
return;
storage_wipe();
layoutDialog(&bmp_icon_error, NULL, NULL, NULL, _("Too many wrong PIN"), _("attempts. Storage has"), _("been wiped."), NULL, _("Please unplug"), _("the device."));
for (;;) {} // loop forever
}
bool protectPin(bool use_cached) bool protectPin(bool use_cached)
{ {
if (!storage.has_pin || storage.pin[0] == 0 || (use_cached && session_isPinCached())) { if (!storage.has_pin || storage.pin[0] == 0 || (use_cached && session_isPinCached())) {
@ -151,6 +160,7 @@ bool protectPin(bool use_cached)
} }
uint32_t *fails = storage_getPinFailsPtr(); uint32_t *fails = storage_getPinFailsPtr();
uint32_t wait = ~*fails; uint32_t wait = ~*fails;
protectCheckMaxTry(wait);
usbTiny(1); usbTiny(1);
while (wait > 0) { while (wait > 0) {
// convert wait to secstr string // convert wait to secstr string
@ -194,15 +204,11 @@ bool protectPin(bool use_cached)
storage_resetPinFails(fails); storage_resetPinFails(fails);
return true; return true;
} else { } else {
if (~*fails > MAX_WRONG_PINS) { protectCheckMaxTry(~*fails);
layoutDialog(&bmp_icon_error, NULL, NULL, NULL, _("Too many wrong PIN"), _("attempts. Storage has"), _("been wiped."), NULL, _("Please unplug"), _("the device."));
storage_wipe();
for (;;) {} // loop forever
}
}
fsm_sendFailure(FailureType_Failure_PinInvalid, NULL); fsm_sendFailure(FailureType_Failure_PinInvalid, NULL);
return false; return false;
} }
}
bool protectChangePin(void) bool protectChangePin(void)
{ {