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trezor-firmware/tests/device_tests/test_msg_changepin_t2.py

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# 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 pytest
from trezorlib import btc, device, messages
from trezorlib.client import MAX_PIN_LENGTH, PASSPHRASE_TEST_PATH
from trezorlib.debuglink import LayoutType
from trezorlib.debuglink import TrezorClientDebugLink as Client
from trezorlib.exceptions import Cancelled, TrezorFailure
from .. import buttons
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from ..input_flows import (
InputFlowCodeChangeFail,
InputFlowNewCodeMismatch,
InputFlowWrongPIN,
)
PIN4 = "1234"
PIN60 = "789456" * 10
PIN_MAX = "".join(chr((i % 10) + ord("0")) for i in range(MAX_PIN_LENGTH))
pytestmark = pytest.mark.models("core")
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def _check_pin(client: Client, pin: str):
client.lock()
assert client.features.pin_protection is True
assert client.features.unlocked is False
with client:
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client.use_pin_sequence([pin])
client.set_expected_responses([messages.ButtonRequest, messages.Address])
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btc.get_address(client, "Testnet", PASSPHRASE_TEST_PATH)
def _check_no_pin(client: Client):
client.lock()
assert client.features.pin_protection is False
with client:
client.set_expected_responses([messages.Address])
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btc.get_address(client, "Testnet", PASSPHRASE_TEST_PATH)
def test_set_pin(client: Client):
assert client.features.pin_protection is False
# Check that there's no PIN protection
_check_no_pin(client)
# Let's set new PIN
with client:
if client.layout_type is LayoutType.TR:
br_count = 6
else:
br_count = 4
client.use_pin_sequence([PIN_MAX, PIN_MAX])
client.set_expected_responses(
[messages.ButtonRequest] * br_count + [messages.Success, messages.Features]
)
device.change_pin(client)
client.init_device()
assert client.features.pin_protection is True
_check_pin(client, PIN_MAX)
@pytest.mark.setup_client(pin=PIN4)
def test_change_pin(client: Client):
assert client.features.pin_protection is True
# Check current PIN value
_check_pin(client, PIN4)
# Let's change PIN
with client:
client.use_pin_sequence([PIN4, PIN_MAX, PIN_MAX])
if client.layout_type is LayoutType.TR:
br_count = 6
else:
br_count = 5
client.set_expected_responses(
[messages.ButtonRequest] * br_count + [messages.Success, messages.Features]
)
device.change_pin(client)
# Check that there's still PIN protection now
client.init_device()
assert client.features.pin_protection is True
# Check that the PIN is correct
_check_pin(client, PIN_MAX)
@pytest.mark.setup_client(pin=PIN4)
def test_remove_pin(client: Client):
assert client.features.pin_protection is True
# Check current PIN value
_check_pin(client, PIN4)
# Let's remove PIN
with client:
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client.use_pin_sequence([PIN4])
client.set_expected_responses(
[messages.ButtonRequest] * 3 + [messages.Success, messages.Features]
)
device.change_pin(client, remove=True)
# Check that there's no PIN protection now
client.init_device()
assert client.features.pin_protection is False
_check_no_pin(client)
def test_set_failed(client: Client):
assert client.features.pin_protection is False
# Check that there's no PIN protection
_check_no_pin(client)
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with client, pytest.raises(TrezorFailure):
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IF = InputFlowNewCodeMismatch(client, PIN4, PIN60)
client.set_input_flow(IF.get())
device.change_pin(client)
# Check that there's still no PIN protection now
client.init_device()
assert client.features.pin_protection is False
_check_no_pin(client)
@pytest.mark.setup_client(pin=PIN4)
def test_change_failed(client: Client):
assert client.features.pin_protection is True
# Check current PIN value
_check_pin(client, PIN4)
with client, pytest.raises(Cancelled):
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IF = InputFlowCodeChangeFail(client, PIN4, "457891", "381847")
client.set_input_flow(IF.get())
device.change_pin(client)
# Check that there's still old PIN protection
client.init_device()
assert client.features.pin_protection is True
_check_pin(client, PIN4)
@pytest.mark.setup_client(pin=PIN4)
def test_change_invalid_current(client: Client):
assert client.features.pin_protection is True
# Check current PIN value
_check_pin(client, PIN4)
with client, pytest.raises(TrezorFailure):
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IF = InputFlowWrongPIN(client, PIN60)
client.set_input_flow(IF.get())
device.change_pin(client)
# Check that there's still old PIN protection
client.init_device()
assert client.features.pin_protection is True
_check_pin(client, PIN4)
@pytest.mark.models("mercury")
@pytest.mark.setup_client(pin=None)
def test_pin_menu_cancel_setup(client: Client):
def cancel_pin_setup_input_flow():
yield
# enter context menu
client.debug.click(buttons.CORNER_BUTTON)
client.debug.synchronize_at("VerticalMenu")
# click "Cancel PIN setup"
client.debug.click(buttons.VERTICAL_MENU[0])
client.debug.synchronize_at("Paragraphs")
# swipe through info screen
client.debug.swipe_up()
client.debug.synchronize_at("PromptScreen")
# tap to confirm
client.debug.click(buttons.TAP_TO_CONFIRM)
with client, pytest.raises(Cancelled):
client.set_input_flow(cancel_pin_setup_input_flow)
client.call(messages.ChangePin())
_check_no_pin(client)