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protect.c
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/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (C) 2014 Pavol Rusnak <[email protected]>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "protect.h"
#include <stdint.h>
#include <sys/types.h>
#include "buttons.h"
#include "common.h"
#include "config.h"
#include "debug.h"
#include "font.h"
#include "fsm.h"
#include "gettext.h"
#include "layout2.h"
#include "memory.h"
#include "memzero.h"
#include "messages.h"
#include "messages.pb.h"
#include "oled.h"
#include "pinmatrix.h"
#include "prompt.h"
#include "rng.h"
#include "se_chip.h"
#include "si2c.h"
#include "sys.h"
#include "usb.h"
#include "util.h"
#define MAX_WRONG_PINS 15
bool protectAbortedByCancel = false;
bool protectAbortedBySleep = false;
// allow the app to connect to the device when in the tutorial page
bool protectAbortedByInitializeOnboarding = false;
bool protectAbortedByInitialize = false;
bool protectAbortedByTimeout = false;
bool exitBlindSignByInitialize = false;
bool protectAbortedByFIDO = false;
extern bool msg_command_inprogress;
static uint8_t device_sleep_state = SLEEP_NONE;
#define goto_check(label) \
if (layoutLast == layoutHome) \
return false; \
else \
goto label;
bool protectButton(ButtonRequestType type, bool confirm_only) {
ButtonRequest resp = {0};
bool result = false;
bool acked = true;
bool timeout_flag = true;
#if DEBUG_LINK
bool debug_decided = false;
acked = false;
#endif
protectAbortedByTimeout = false;
memzero(&resp, sizeof(ButtonRequest));
resp.has_code = true;
resp.code = type;
usbTiny(1);
buttonUpdate(); // Clear button state
msg_write(MessageType_MessageType_ButtonRequest, &resp);
timer_out_set(timer_out_oper, default_oper_time);
if (g_bIsBixinAPP) acked = true;
while (timer_out_get(timer_out_oper)) {
usbPoll();
// check for ButtonAck
if (msg_tiny_id == MessageType_MessageType_ButtonAck) {
msg_tiny_id = 0xFFFF;
acked = true;
}
// button acked - check buttons
if (acked) {
waitAndProcessUSBRequests(5);
buttonUpdate();
if (button.YesUp) {
timeout_flag = false;
result = true;
break;
}
if (!confirm_only && button.NoUp) {
result = false;
timeout_flag = false;
break;
}
}
// check for Cancel / Initialize
protectAbortedByCancel = (msg_tiny_id == MessageType_MessageType_Cancel);
protectAbortedByInitialize =
(msg_tiny_id == MessageType_MessageType_Initialize);
if (protectAbortedByCancel || protectAbortedByInitialize) {
msg_tiny_id = 0xFFFF;
timeout_flag = false;
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->button;
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
}
timer_out_set(timer_out_oper, 0);
usbTiny(0);
if (timeout_flag) protectAbortedByTimeout = true;
return result;
}
static uint8_t _protectButton_ex(ButtonRequestType type, bool confirm_only,
bool requset, uint32_t timeout_s) {
ButtonRequest resp = {0};
bool acked = true;
bool timeout_flag = true;
uint8_t key = KEY_NULL;
#if DEBUG_LINK
bool debug_decided = false;
acked = false;
#endif
protectAbortedByTimeout = false;
memzero(&resp, sizeof(ButtonRequest));
resp.has_code = true;
resp.code = type;
usbTiny(1);
if (requset) {
msg_write(MessageType_MessageType_ButtonRequest, &resp);
}
if (timeout_s) {
timer_out_set(timer_out_oper, timeout_s);
}
while (1) {
if (timeout_s) {
if (timer_out_get(timer_out_oper) == 0) break;
}
usbPoll();
// check for ButtonAck
if (msg_tiny_id == MessageType_MessageType_ButtonAck) {
msg_tiny_id = 0xFFFF;
acked = true;
}
// button acked - check buttons
if (acked) {
key = keyScan();
if (key == KEY_CONFIRM) {
timeout_flag = false;
break;
}
if (!confirm_only && key != KEY_NULL) {
timeout_flag = false;
break;
}
}
// check for Cancel / Initialize
protectAbortedByCancel = (msg_tiny_id == MessageType_MessageType_Cancel);
protectAbortedByInitialize =
(msg_tiny_id == MessageType_MessageType_Initialize);
if (protectAbortedByCancel || protectAbortedByInitialize) {
msg_tiny_id = 0xFFFF;
timeout_flag = false;
break;
}
#if DEBUG_LINK
// check DebugLink
if (msg_tiny_id == MessageType_MessageType_DebugLinkDecision) {
msg_tiny_id = 0xFFFF;
DebugLinkDecision *dld = (DebugLinkDecision *)msg_tiny;
if (dld->button == DebugButton_YES) {
key = KEY_CONFIRM;
} else if (dld->button == DebugButton_NO) {
key = KEY_CANCEL;
}
debug_decided = true;
timeout_flag = false;
}
if (acked && debug_decided) {
break;
}
if (msg_tiny_id == MessageType_MessageType_DebugLinkGetState) {
msg_tiny_id = 0xFFFF;
fsm_msgDebugLinkGetState((DebugLinkGetState *)msg_tiny);
}
#endif
}
timer_out_set(timer_out_oper, 0);
usbTiny(0);
if (timeout_flag) protectAbortedByTimeout = true;
return key;
}
bool protectButton_ex(ButtonRequestType type, bool confirm_only, bool requset,
uint32_t timeout_s) {
uint8_t key = KEY_NULL;
while (1) {
key = _protectButton_ex(type, confirm_only, requset, timeout_s);
if (key == KEY_CONFIRM) {
return true;
} else if (key == KEY_CANCEL) {
return false;
}
}
}
uint8_t protectButtonValue(ButtonRequestType type, bool confirm_only,
bool requset, uint32_t timeout_s) {
return _protectButton_ex(type, confirm_only, requset, timeout_s);
}
const char *requestPin(PinMatrixRequestType type, const char *text,
const char **new_pin) {
bool button_no = false, pinmatrix_show = true;
uint32_t timer_out_count = 0;
PinMatrixRequest resp = {0};
*new_pin = NULL;
memzero(&resp, sizeof(PinMatrixRequest));
resp.has_type = true;
resp.type = type;
usbTiny(1);
msg_write(MessageType_MessageType_PinMatrixRequest, &resp);
timer_out_set(timer_out_oper, default_oper_time);
timer_out_count = default_oper_time;
while (timer_out_count) {
timer_out_count = timer_out_get(timer_out_oper);
if ((timer_out_count < (default_oper_time - timer1s)) && pinmatrix_show) {
pinmatrix_start(text);
pinmatrix_show = false;
}
usbPoll();
buttonUpdate();
if (msg_tiny_id == MessageType_MessageType_PinMatrixAck) {
timer_out_set(timer_out_oper, 0);
msg_tiny_id = 0xFFFF;
PinMatrixAck *pma = (PinMatrixAck *)msg_tiny;
usbTiny(0);
if (pma->has_new_pin) {
if (sectrue ==
pinmatrix_done(false, pma->new_pin)) // convert via pinmatrix
*new_pin = pma->new_pin;
}
if (sectrue == pinmatrix_done(true, pma->pin)) // convert via pinmatrix
return pma->pin;
else
return 0;
} else if (msg_tiny_id == MessageType_MessageType_BixinPinInputOnDevice) {
uint8_t min_pin_len = MIN_PIN_LEN;
if (PinMatrixRequestType_PinMatrixRequestType_NewFirst == type ||
PinMatrixRequestType_PinMatrixRequestType_NewSecond == type) {
min_pin_len = DEFAULT_PIN_LEN;
}
msg_tiny_id = 0xFFFF;
usbTiny(0);
return protectInputPin(text, min_pin_len, MAX_PIN_LEN, true);
}
if (button.NoUp) {
timer_out_set(timer_out_oper, 0);
button_no = true;
msg_tiny_id = MessageType_MessageType_Cancel;
}
// check for Cancel / Initialize
protectAbortedByCancel = (msg_tiny_id == MessageType_MessageType_Cancel);
protectAbortedByInitialize =
(msg_tiny_id == MessageType_MessageType_Initialize);
if (protectAbortedByCancel || protectAbortedByInitialize) {
pinmatrix_done(true, 0);
msg_tiny_id = 0xFFFF;
usbTiny(0);
if (button_no)
return PIN_CANCELED_BY_BUTTON;
else
return 0;
}
#if DEBUG_LINK
if (msg_tiny_id == MessageType_MessageType_DebugLinkGetState) {
msg_tiny_id = 0xFFFF;
fsm_msgDebugLinkGetState((DebugLinkGetState *)msg_tiny);
}
#endif
}
// time out
msg_tiny_id = 0xFFFF;
usbTiny(0);
return PIN_CANCELED_BY_BUTTON;
}
secbool protectPinUiCallback(uint32_t wait, uint32_t progress,
const char *message) {
(void)wait;
(void)message;
oledClear_ex();
oledDrawStringCenterAdapter(OLED_WIDTH / 2, OLED_HEIGHT / 2 - 6, message,
FONT_STANDARD);
// progressbar
oledBox(2, OLED_HEIGHT - 13, OLED_WIDTH - 2, OLED_HEIGHT - 2, 0);
oledBox(5, OLED_HEIGHT - 13, OLED_WIDTH - 3, OLED_HEIGHT - 13, 1);
oledBox(5, OLED_HEIGHT - 3, OLED_WIDTH - 3, OLED_HEIGHT - 3, 1);
progress = progress * (OLED_WIDTH - 4) / 1000;
if (progress > OLED_WIDTH - 4) {
progress = OLED_WIDTH - 4;
}
oledBox(2, OLED_HEIGHT - 10, 2, OLED_HEIGHT - 6, 1);
oledBox(3, OLED_HEIGHT - 12, 4, OLED_HEIGHT - 4, 1);
if (progress > 3) {
oledBox(5, OLED_HEIGHT - 12, progress + 1, OLED_HEIGHT - 4, 1);
}
oledBox(OLED_WIDTH - 5, OLED_HEIGHT - 13, OLED_WIDTH - 3, OLED_HEIGHT - 3, 0);
oledBox(OLED_WIDTH - 5, OLED_HEIGHT - 12, OLED_WIDTH - 4, OLED_HEIGHT - 11,
1);
oledClearPixel(OLED_WIDTH - 5, OLED_HEIGHT - 11);
oledBox(OLED_WIDTH - 3, OLED_HEIGHT - 10, OLED_WIDTH - 3, OLED_HEIGHT - 6, 1);
oledBox(OLED_WIDTH - 5, OLED_HEIGHT - 5, OLED_WIDTH - 4, OLED_HEIGHT - 4, 1);
oledClearPixel(OLED_WIDTH - 5, OLED_HEIGHT - 5);
if (progress >= OLED_WIDTH - 6) {
oledBox(OLED_WIDTH - 5, OLED_HEIGHT - 11, OLED_WIDTH - 5, OLED_HEIGHT - 5,
1);
if (progress > OLED_WIDTH - 6) {
oledBox(OLED_WIDTH - 4, OLED_HEIGHT - 11, OLED_WIDTH - 4, OLED_HEIGHT - 5,
1);
}
}
oledRefresh();
// Check for Cancel / Initialize.
protectAbortedByCancel = (msg_tiny_id == MessageType_MessageType_Cancel);
protectAbortedByInitialize =
(msg_tiny_id == MessageType_MessageType_Initialize);
if (protectAbortedByCancel || protectAbortedByInitialize) {
msg_tiny_id = 0xFFFF;
usbTiny(0);
fsm_sendFailure(FailureType_Failure_PinCancelled, NULL);
return sectrue;
}
return secfalse;
}
bool protectPin(bool use_cached) {
const char *newpin = NULL;
if (use_cached && session_isUnlocked()) {
return true;
}
const char *pin = "";
if (config_hasPin()) {
pin = requestPin(PinMatrixRequestType_PinMatrixRequestType_Current,
_(T__ENTER_PIN), &newpin);
if (!pin) {
fsm_sendFailure(FailureType_Failure_PinCancelled, NULL);
return false;
} else if (pin == PIN_CANCELED_BY_BUTTON)
return false;
}
bool ret = config_unlock(pin);
if (!ret) {
fsm_sendFailure(FailureType_Failure_PinInvalid, NULL);
msg_command_inprogress = false;
protectPinCheck(false);
msg_command_inprogress = true;
}
return ret;
}
bool protectChangePin(bool removal) {
static CONFIDENTIAL char old_pin[MAX_PIN_LEN + 1] = "";
static CONFIDENTIAL char new_pin[MAX_PIN_LEN + 1] = "";
const char *pin = NULL;
const char *newpin = NULL;
bool need_new_pin = true;
if (config_hasPin()) {
pin = requestPin(PinMatrixRequestType_PinMatrixRequestType_Current,
_(T__ENTER_PIN), &newpin);
if (pin == NULL) {
fsm_sendFailure(FailureType_Failure_PinCancelled, NULL);
return false;
} else if (pin == PIN_CANCELED_BY_BUTTON)
return false;
usbTiny(1);
bool ret = config_unlock(pin);
usbTiny(0);
if (ret == false) {
fsm_sendFailure(FailureType_Failure_PinInvalid, NULL);
protectPinCheck(false);
return false;
}
strlcpy(old_pin, pin, sizeof(old_pin));
if (g_bIsBixinAPP) {
need_new_pin = false;
if (newpin == NULL) {
newpin = protectInputPin(_(T__ENTER_NEW_PIN), DEFAULT_PIN_LEN,
MAX_PIN_LEN, true);
}
}
}
if (!removal) {
if (!g_bIsBixinAPP || need_new_pin) {
pin = requestPin(PinMatrixRequestType_PinMatrixRequestType_NewFirst,
_(T__ENTER_NEW_PIN), &newpin);
} else {
if (newpin == NULL) {
fsm_sendFailure(FailureType_Failure_PinExpected, NULL);
layoutHome();
return false;
}
pin = newpin;
}
if (pin == PIN_CANCELED_BY_BUTTON) {
return false;
} else if (pin == NULL || pin[0] == '\0') {
memzero(old_pin, sizeof(old_pin));
fsm_sendFailure(FailureType_Failure_PinCancelled, NULL);
return false;
}
strlcpy(new_pin, pin, sizeof(new_pin));
if (!g_bIsBixinAPP) {
pin = requestPin(PinMatrixRequestType_PinMatrixRequestType_NewSecond,
_(T__ENTER_NEW_PIN_AGAIN), &newpin);
if (pin == NULL) {
memzero(old_pin, sizeof(old_pin));
memzero(new_pin, sizeof(new_pin));
fsm_sendFailure(FailureType_Failure_PinCancelled, NULL);
return false;
} else if (pin == PIN_CANCELED_BY_BUTTON)
return false;
if (strncmp(new_pin, pin, sizeof(new_pin)) != 0) {
memzero(old_pin, sizeof(old_pin));
memzero(new_pin, sizeof(new_pin));
fsm_sendFailure(FailureType_Failure_PinMismatch, NULL);
return false;
}
} else {
layoutDialogCenterAdapterV2(
NULL, &bmp_icon_question, &bmp_bottom_left_close,
&bmp_bottom_right_confirm, NULL, NULL, _(C__PLEASE_CONFIRM_PIN),
new_pin, NULL, NULL, NULL);
if (!protectButton(ButtonRequestType_ButtonRequest_ProtectCall, false)) {
i2c_set_wait(false);
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
layoutHome();
return false;
}
}
}
bool ret = config_changePin(old_pin, new_pin);
memzero(old_pin, sizeof(old_pin));
memzero(new_pin, sizeof(new_pin));
if (ret == false) {
i2c_set_wait(false);
if (removal) {
fsm_sendFailure(FailureType_Failure_PinInvalid, NULL);
} else {
fsm_sendFailure(FailureType_Failure_ProcessError,
"The new PIN must be different from your wipe code.");
}
}
return ret;
}
bool protectChangeWipeCode(bool removal) {
static CONFIDENTIAL char pin[MAX_PIN_LEN + 1] = "";
static CONFIDENTIAL char wipe_code[MAX_PIN_LEN + 1] = "";
const char *input = NULL;
const char *newpin = NULL;
if (config_hasPin()) {
input = requestPin(PinMatrixRequestType_PinMatrixRequestType_Current,
_(C__PLEASE_ENTER_YOUR_PIN), &newpin);
if (input == NULL) {
fsm_sendFailure(FailureType_Failure_PinCancelled, NULL);
return false;
} else if (pin == PIN_CANCELED_BY_BUTTON)
return false;
// If removing, defer the check to config_changeWipeCode().
if (!removal) {
usbTiny(1);
bool ret = config_unlock(input);
usbTiny(0);
if (ret == false) {
fsm_sendFailure(FailureType_Failure_PinInvalid, NULL);
return false;
}
}
strlcpy(pin, input, sizeof(pin));
}
if (!removal) {
input = requestPin(PinMatrixRequestType_PinMatrixRequestType_WipeCodeFirst,
_(C__ENTER_NEW_WIPE_CODE), &newpin);
if (input == NULL) {
memzero(pin, sizeof(pin));
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
return false;
} else if (pin == PIN_CANCELED_BY_BUTTON)
return false;
if (strncmp(pin, input, sizeof(pin)) == 0) {
memzero(pin, sizeof(pin));
fsm_sendFailure(FailureType_Failure_ProcessError,
"The wipe code must be different from your PIN.");
return false;
}
strlcpy(wipe_code, input, sizeof(wipe_code));
input = requestPin(PinMatrixRequestType_PinMatrixRequestType_WipeCodeSecond,
"Re-enter new wipe code:", &newpin);
if (input == NULL) {
memzero(pin, sizeof(pin));
memzero(wipe_code, sizeof(wipe_code));
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
return false;
} else if (pin == PIN_CANCELED_BY_BUTTON)
return false;
if (strncmp(wipe_code, input, sizeof(wipe_code)) != 0) {
memzero(pin, sizeof(pin));
memzero(wipe_code, sizeof(wipe_code));
fsm_sendFailure(FailureType_Failure_WipeCodeMismatch, NULL);
return false;
}
}
bool ret = config_changeWipeCode(pin, wipe_code);
memzero(pin, sizeof(pin));
memzero(wipe_code, sizeof(wipe_code));
if (ret == false) {
fsm_sendFailure(FailureType_Failure_PinInvalid, NULL);
}
return ret;
}
bool protectPassphrase(char *passphrase) {
memzero(passphrase, MAX_PASSPHRASE_LEN + 1);
bool passphrase_protection = false;
config_getPassphraseProtection(&passphrase_protection);
if (!passphrase_protection) {
// passphrase already set to empty by memzero above
return true;
}
PassphraseRequest resp = {0};
memzero(&resp, sizeof(PassphraseRequest));
usbTiny(1);
msg_write(MessageType_MessageType_PassphraseRequest, &resp);
bool result = false, show = true;
uint32_t timer_out_count = 0;
timer_out_set(timer_out_oper, default_oper_time);
timer_out_count = default_oper_time;
while (timer_out_count) {
timer_out_count = timer_out_get(timer_out_oper);
if ((timer_out_count < (default_oper_time - timer1s)) && show) {
layoutDialogCenterAdapterV2(
_(T__ENTER_PASSPHRASE), NULL, &bmp_bottom_left_close, NULL, NULL,
NULL, NULL, NULL, NULL, NULL,
_(C__ENTER_YOUR_PASSPHRASE_ON_CONNECTED_DEVICE));
show = false;
}
usbPoll();
buttonUpdate();
if (msg_tiny_id == MessageType_MessageType_PassphraseAck) {
msg_tiny_id = 0xFFFF;
PassphraseAck *ppa = (PassphraseAck *)msg_tiny;
if (ppa->has_on_device && ppa->on_device == true) {
return protectPassphraseOnDevice(passphrase);
}
if (!ppa->has_passphrase) {
fsm_sendFailure(FailureType_Failure_DataError,
"No passphrase provided. Use empty string to set an "
"empty passphrase.");
result = false;
break;
}
strlcpy(passphrase, ppa->passphrase, sizeof(ppa->passphrase));
result = true;
break;
}
if (button.NoUp) {
result = false;
break;
}
// check for Cancel / Initialize
protectAbortedByCancel = (msg_tiny_id == MessageType_MessageType_Cancel);
protectAbortedByInitialize =
(msg_tiny_id == MessageType_MessageType_Initialize);
if (protectAbortedByCancel || protectAbortedByInitialize) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
result = false;
msg_tiny_id = 0xFFFF;
break;
}
#if DEBUG_LINK
if (msg_tiny_id == MessageType_MessageType_DebugLinkGetState) {
msg_tiny_id = 0xFFFF;
fsm_msgDebugLinkGetState((DebugLinkGetState *)msg_tiny);
}
#endif
}
usbTiny(0);
layoutHome();
return result;
}
bool protectSeedPin(bool force_pin, bool setpin, bool update_pin) {
static CONFIDENTIAL char old_pin[MAX_PIN_LEN + 1] = "";
static CONFIDENTIAL char new_pin[MAX_PIN_LEN + 1] = "";
const char *pin = NULL;
const char *newpin = NULL;
if (update_pin) {
bool ret = config_changePin(old_pin, new_pin);
memzero(old_pin, sizeof(old_pin));
memzero(new_pin, sizeof(new_pin));
if (ret == false) {
i2c_set_wait(false);
fsm_sendFailure(FailureType_Failure_PinInvalid, NULL);
return false;
}
} else {
if (config_hasPin()) {
pin = requestPin(PinMatrixRequestType_PinMatrixRequestType_Current,
_(T__ENTER_PIN), &newpin);
if (!pin) {
fsm_sendFailure(FailureType_Failure_PinCancelled, NULL);
return false;
} else if (pin == PIN_CANCELED_BY_BUTTON)
return false;
bool ret = config_unlock(pin);
if (!ret) {
fsm_sendFailure(FailureType_Failure_PinInvalid, NULL);
protectPinCheck(false);
return false;
}
} else {
if (force_pin) {
pin = requestPin(PinMatrixRequestType_PinMatrixRequestType_NewFirst,
_(T__ENTER_NEW_PIN), &newpin);
if (pin == PIN_CANCELED_BY_BUTTON) {
return false;
} else if (pin == NULL || pin[0] == '\0') {
fsm_sendFailure(FailureType_Failure_PinCancelled, NULL);
return false;
}
layoutDialogSwipe(&bmp_icon_question, __("Cancel"), __("Confirm"), NULL,
__("Please confirm PIN"), NULL, NULL, pin, NULL,
NULL);
if (!protectButton(ButtonRequestType_ButtonRequest_ProtectCall,
false)) {
i2c_set_wait(false);
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
layoutHome();
return false;
}
strlcpy(new_pin, pin, sizeof(new_pin));
if (setpin) {
bool ret = config_changePin(old_pin, new_pin);
memzero(old_pin, sizeof(old_pin));
memzero(new_pin, sizeof(new_pin));
if (ret == false) {
i2c_set_wait(false);
fsm_sendFailure(FailureType_Failure_PinInvalid, NULL);
return false;
}
}
} else {
pin = "";
}
}
if (!config_setSeedPin(pin)) {
fsm_sendFailure(FailureType_Failure_PinMismatch, NULL);
return false;
}
}
return true;
}
uint8_t blindsignWaitKey(void) {
uint8_t key = KEY_NULL;
exitBlindSignByInitialize = false;
usbTiny(1);
usbPoll();
protectAbortedByInitialize =
(msg_tiny_id == MessageType_MessageType_Initialize);
if (protectAbortedByInitialize) {
msg_tiny_id = 0xFFFF;
}
usbTiny(0);
if (protectAbortedByInitialize) {
if (device_sleep_state) device_sleep_state = SLEEP_CANCEL_BY_USB;
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
exitBlindSignByInitialize = true;
layoutHome();
}
key = keyScan();
if (key != KEY_NULL) {
if (device_sleep_state) device_sleep_state = SLEEP_CANCEL_BY_BUTTON;
}
return key;
}
extern bool u2f_init_command;
uint8_t protectWaitKey(uint32_t time_out, uint8_t mode) {
uint8_t key = KEY_NULL;
uint32_t start = timer_ms();
protectAbortedByInitialize = false;
protectAbortedByInitializeOnboarding = false;
protectAbortedBySleep = false;
usbTiny(1);
while (1) {
if (layoutEnterSleep(1) && (layoutLast != layoutScreensaver)) {
if (layoutLast == onboarding) {
#if !EMULATOR
timer_sleep_start_reset();
unregister_timer("poweroff");
#endif
} else {
key = KEY_NULL;
protectAbortedBySleep = true;
break;
}
}
usbPoll();
#if !EMULATOR
if ((host_channel == CHANNEL_USB) && ((sys_usbState() == false)) &&
msg_command_inprogress) {
usbTiny(0);
layoutHome();
return KEY_NULL;
}
#endif
if (time_out > 0 && (timer_ms() - start) >= time_out) break;
protectAbortedByInitialize =
(msg_tiny_id == MessageType_MessageType_Initialize);
if (protectAbortedByInitialize) {
msg_tiny_id = 0xFFFF;
break;
}
if (layoutLast == layoutScreensaver) {
if (u2f_init_command) {
u2f_init_command = false;
break;
}
}
if (protectAbortedByFIDO && layoutLast == layoutHome) {
protectAbortedByFIDO = false;
break;
}
loop_callback_handler();
key = keyScan();
if (key != KEY_NULL) {
if (device_sleep_state) device_sleep_state = SLEEP_CANCEL_BY_BUTTON;
if (mode == 0) {
break;
} else {
if (key == KEY_CONFIRM || key == KEY_CANCEL) break;
}
}
#if !EMULATOR
if (isLongPress(KEY_UP_OR_DOWN) && getLongPressStatus()) {
break;
}
#endif
if (device_sleep_state == SLEEP_REENTER) {
break;
}
}
usbTiny(0);
protectAbortedByInitializeOnboarding = protectAbortedByInitialize;
if (protectAbortedByInitialize) {
if (device_sleep_state) device_sleep_state = SLEEP_CANCEL_BY_USB;
// this error code will be sent when the message processing fails
if (false == msg_command_inprogress) {
fsm_sendFailure(FailureType_Failure_ActionCancelled, NULL);
}
layoutHome();
}
return key;
}
uint8_t protectWaitKeyValue(ButtonRequestType type, bool requset,
uint32_t time_out, uint8_t mode) {
if (requset) {
ButtonRequest resp = {0};
memzero(&resp, sizeof(ButtonRequest));
resp.has_code = true;
resp.code = type;
msg_write(MessageType_MessageType_ButtonRequest, &resp);
}
return protectWaitKey(time_out, mode);
}
const char *protectInputPin(const char *text, uint8_t min_pin_len,
uint8_t max_pin_len, bool cancel_allowed) {
uint8_t key = KEY_NULL;
uint8_t counter = 0;
int index = 0, max_index = 0;
bool update = true, first_num = false;
static char pin[10] = "";
bool d = false;
config_getInputDirection(&d);
memzero(pin, sizeof(pin));
#if !EMULATOR
enableLongPress(true);
#endif
refresh_menu:
if (update) {
update = false;
first_num = false;
if (counter >= min_pin_len) {
max_index = 10;
} else {
max_index = 9;
}
if (counter >= DEFAULT_PIN_LEN) {
do {
index = random_uniform(10);
} while (index == 0);
first_num = true;
} else {
do {
index = random_uniform(10);
} while (index == 0);
}
} else if (first_num) {
}
layoutInputPin(counter, text, index, cancel_allowed);
key = protectWaitKey(0, 0);
#if !EMULATOR
if (isLongPress(KEY_UP_OR_DOWN) && getLongPressStatus()) {
if (isLongPress(KEY_UP)) { // up
if (!d) { // default direction
if (index > 1)
index--;
else
index = max_index;
} else {
if (index < max_index)
index++;
else
index = 1;
}
} else if (isLongPress(KEY_DOWN)) { // down
if (!d) {
if (index < max_index)
index++;
else
index = 1;
} else {
if (index > 1)
index--;
else
index = max_index;
}
}
delay_ms(75);
goto refresh_menu;
}
#endif
if (d) { // Reverse direction
if (key == KEY_UP) {
key = KEY_DOWN;
} else if (key == KEY_DOWN) {
key = KEY_UP;
}
}
switch (key) {
case KEY_UP:
if (index > 1)
index--;
else
index = max_index;
goto refresh_menu;
case KEY_DOWN:
if (index < max_index)
index++;
else
index = 1;
goto refresh_menu;
case KEY_CONFIRM:
(void)pin;
if (index == 10) {
#if !EMULATOR
enableLongPress(false);
#endif
return pin;
} else {
pin[counter++] = index + '0';
if (counter == max_pin_len) {
#if !EMULATOR
enableLongPress(false);
#endif
return pin;
}
update = true;
goto refresh_menu;
}
case KEY_CANCEL:
if (counter) {
counter--;
pin[counter] = 0;
update = true;
goto refresh_menu;
}
break;
default:
break;
}
#if !EMULATOR
enableLongPress(false);
#endif
return NULL;
}
bool protectPinOnDevice(bool use_cached, bool cancel_allowed) {
// static bool input_pin = false; // void recursive
if (use_cached && session_isUnlocked()) {
return true;
}
// if (input_pin) return true;
const char *pin = "";