mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-28 00:58:09 +00:00
131 lines
5.0 KiB
Python
131 lines
5.0 KiB
Python
# This file is part of the Trezor project.
|
|
#
|
|
# Copyright (C) 2012-2019 SatoshiLabs and contributors
|
|
#
|
|
# This library is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Lesser General Public License version 3
|
|
# as published by the Free Software Foundation.
|
|
#
|
|
# 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 License along with this library.
|
|
# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
|
|
|
|
import time
|
|
|
|
import pytest
|
|
|
|
from trezorlib import messages as proto
|
|
from trezorlib.exceptions import PinException
|
|
|
|
# FIXME TODO Add passphrase tests
|
|
|
|
|
|
@pytest.mark.skip_t2
|
|
class TestProtectCall:
|
|
def _some_protected_call(self, client, button, pin, passphrase):
|
|
# This method perform any call which have protection in the device
|
|
res = client.ping(
|
|
"random data",
|
|
button_protection=button,
|
|
pin_protection=pin,
|
|
passphrase_protection=passphrase,
|
|
)
|
|
assert res == "random data"
|
|
|
|
@pytest.mark.setup_client(pin="1234", passphrase=True)
|
|
def test_expected_responses(self, client):
|
|
# This is low-level test of set_expected_responses()
|
|
# feature of debugging client
|
|
|
|
with pytest.raises(AssertionError), client:
|
|
# Scenario 1 - Received unexpected message
|
|
client.set_expected_responses([])
|
|
self._some_protected_call(client, True, True, True)
|
|
|
|
with pytest.raises(AssertionError), client:
|
|
# Scenario 2 - Received other than expected message
|
|
client.set_expected_responses([proto.Success()])
|
|
self._some_protected_call(client, True, True, True)
|
|
|
|
with pytest.raises(AssertionError), client:
|
|
# Scenario 3 - Not received expected message
|
|
client.set_expected_responses(
|
|
[proto.ButtonRequest(), proto.Success(), proto.Success()]
|
|
) # This is expected, but not received
|
|
self._some_protected_call(client, True, False, False)
|
|
|
|
with pytest.raises(AssertionError), client:
|
|
# Scenario 4 - Received what expected
|
|
client.set_expected_responses(
|
|
[
|
|
proto.ButtonRequest(),
|
|
proto.PinMatrixRequest(),
|
|
proto.PassphraseRequest(),
|
|
proto.Success(message="random data"),
|
|
]
|
|
)
|
|
self._some_protected_call(client, True, True, True)
|
|
|
|
with pytest.raises(AssertionError), client:
|
|
# Scenario 5 - Failed message by field filter
|
|
client.set_expected_responses(
|
|
[proto.ButtonRequest(), proto.Success(message="wrong data")]
|
|
)
|
|
self._some_protected_call(client, True, True, True)
|
|
|
|
def test_no_protection(self, client):
|
|
with client:
|
|
assert client.debug.read_pin()[0] is None
|
|
client.set_expected_responses([proto.Success()])
|
|
self._some_protected_call(client, False, True, True)
|
|
|
|
@pytest.mark.setup_client(pin="1234", passphrase=True)
|
|
def test_pin(self, client):
|
|
with client:
|
|
assert client.debug.read_pin()[0] == "1234"
|
|
client.setup_debuglink(button=True, pin_correct=True)
|
|
client.set_expected_responses(
|
|
[proto.ButtonRequest(), proto.PinMatrixRequest(), proto.Success()]
|
|
)
|
|
self._some_protected_call(client, True, True, False)
|
|
|
|
@pytest.mark.setup_client(pin="1234", passphrase=True)
|
|
def test_incorrect_pin(self, client):
|
|
client.setup_debuglink(button=True, pin_correct=False)
|
|
with pytest.raises(PinException):
|
|
self._some_protected_call(client, False, True, False)
|
|
|
|
@pytest.mark.setup_client(pin="1234", passphrase=True)
|
|
def test_cancelled_pin(self, client):
|
|
client.setup_debuglink(button=True, pin_correct=False) # PIN cancel
|
|
with pytest.raises(PinException):
|
|
self._some_protected_call(client, False, True, False)
|
|
|
|
@pytest.mark.setup_client(pin="1234", passphrase=True)
|
|
def test_exponential_backoff_with_reboot(self, client):
|
|
client.setup_debuglink(button=True, pin_correct=False)
|
|
|
|
def test_backoff(attempts, start):
|
|
if attempts <= 1:
|
|
expected = 0
|
|
else:
|
|
expected = (2 ** (attempts - 1)) - 1
|
|
got = round(time.time() - start, 2)
|
|
|
|
msg = "Pin delay expected to be at least %s seconds, got %s" % (
|
|
expected,
|
|
got,
|
|
)
|
|
print(msg)
|
|
assert got >= expected
|
|
|
|
for attempt in range(1, 4):
|
|
start = time.time()
|
|
with pytest.raises(PinException):
|
|
self._some_protected_call(client, False, True, False)
|
|
test_backoff(attempt, start)
|