mirror of
https://github.com/trezor/trezor-firmware.git
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214 lines
6.7 KiB
Python
214 lines
6.7 KiB
Python
# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2019 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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import pytest
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from trezorlib import device, messages
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from trezorlib.client import MAX_PIN_LENGTH
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from trezorlib.debuglink import TrezorClientDebugLink as Client
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from trezorlib.exceptions import TrezorFailure
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from ..common import get_test_address
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PIN4 = "1234"
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PIN6 = "789456"
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PIN_MAX = "".join(chr((i % 9) + ord("1")) for i in range(MAX_PIN_LENGTH))
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PIN_TOO_LONG = PIN_MAX + "1"
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pytestmark = pytest.mark.models("legacy")
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def _check_pin(client: Client, pin):
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client.lock()
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with client:
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client.use_pin_sequence([pin])
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client.set_expected_responses([messages.PinMatrixRequest, messages.Address])
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get_test_address(client)
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def _check_no_pin(client: Client):
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client.lock()
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with client:
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client.set_expected_responses([messages.Address])
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get_test_address(client)
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def test_set_pin(client: Client):
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assert client.features.pin_protection is False
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# Check that there's no PIN protection
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_check_no_pin(client)
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# Let's set new PIN
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with client:
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client.use_pin_sequence([PIN_MAX, PIN_MAX])
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client.set_expected_responses(
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[
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messages.ButtonRequest(code=messages.ButtonRequestType.ProtectCall),
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messages.PinMatrixRequest,
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messages.PinMatrixRequest,
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messages.Success,
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messages.Features,
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]
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)
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device.change_pin(client)
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# Check that there's PIN protection now
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assert client.features.pin_protection is True
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# Check that the PIN is correct
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_check_pin(client, PIN_MAX)
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@pytest.mark.setup_client(pin=PIN4)
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def test_change_pin(client: Client):
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assert client.features.pin_protection is True
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# Check that there's PIN protection
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_check_pin(client, PIN4)
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# Let's change PIN
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with client:
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client.use_pin_sequence([PIN4, PIN_MAX, PIN_MAX])
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client.set_expected_responses(
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[
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messages.ButtonRequest(code=messages.ButtonRequestType.ProtectCall),
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messages.PinMatrixRequest,
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messages.PinMatrixRequest,
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messages.PinMatrixRequest,
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messages.Success,
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messages.Features,
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]
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)
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device.change_pin(client)
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# Check that there's still PIN protection now
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assert client.features.pin_protection is True
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# Check that the PIN is correct
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_check_pin(client, PIN_MAX)
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@pytest.mark.setup_client(pin=PIN4)
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def test_remove_pin(client: Client):
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assert client.features.pin_protection is True
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# Check that there's PIN protection
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_check_pin(client, PIN4)
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# Let's remove PIN
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with client:
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client.use_pin_sequence([PIN4])
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client.set_expected_responses(
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[
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messages.ButtonRequest(code=messages.ButtonRequestType.ProtectCall),
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messages.PinMatrixRequest,
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messages.Success,
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messages.Features,
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]
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)
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device.change_pin(client, remove=True)
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# Check that there's no PIN protection now
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assert client.features.pin_protection is False
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_check_no_pin(client)
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def test_set_mismatch(client: Client):
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assert client.features.pin_protection is False
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# Check that there's no PIN protection
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_check_no_pin(client)
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# Let's set new PIN
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with pytest.raises(TrezorFailure, match="PIN mismatch"), client:
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# use different PINs for first and second attempt. This will fail.
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client.use_pin_sequence([PIN4, PIN_MAX])
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client.set_expected_responses(
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[
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messages.ButtonRequest(code=messages.ButtonRequestType.ProtectCall),
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messages.PinMatrixRequest,
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messages.PinMatrixRequest,
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messages.Failure,
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]
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)
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device.change_pin(client)
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# Check that there's still no PIN protection now
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client.init_device()
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assert client.features.pin_protection is False
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_check_no_pin(client)
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@pytest.mark.setup_client(pin=PIN4)
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def test_change_mismatch(client: Client):
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assert client.features.pin_protection is True
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# Let's set new PIN
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with pytest.raises(TrezorFailure, match="PIN mismatch"), client:
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client.use_pin_sequence([PIN4, PIN6, PIN6 + "3"])
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client.set_expected_responses(
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[
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messages.ButtonRequest(code=messages.ButtonRequestType.ProtectCall),
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messages.PinMatrixRequest,
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messages.PinMatrixRequest,
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messages.PinMatrixRequest,
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messages.Failure,
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]
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)
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device.change_pin(client)
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# Check that there's still old PIN protection
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client.init_device()
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assert client.features.pin_protection is True
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_check_pin(client, PIN4)
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@pytest.mark.parametrize("invalid_pin", ("1204", "", PIN_TOO_LONG))
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def test_set_invalid(client: Client, invalid_pin):
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assert client.features.pin_protection is False
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# Let's set an invalid PIN
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ret = client.call_raw(messages.ChangePin())
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assert isinstance(ret, messages.ButtonRequest)
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# Press button
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client.debug.press_yes()
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ret = client.call_raw(messages.ButtonAck())
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# Send a PIN containing an invalid digit
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assert isinstance(ret, messages.PinMatrixRequest)
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ret = client.call_raw(messages.PinMatrixAck(pin=invalid_pin))
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# Ensure the invalid PIN is detected
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assert isinstance(ret, messages.Failure)
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# Check that there's still no PIN protection now
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client.init_device()
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assert client.features.pin_protection is False
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_check_no_pin(client)
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@pytest.mark.parametrize("invalid_pin", ("1204", "", PIN_TOO_LONG))
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@pytest.mark.setup_client(pin=PIN4)
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def test_enter_invalid(client: Client, invalid_pin):
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assert client.features.pin_protection is True
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# use an invalid PIN
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ret = client.call_raw(messages.GetAddress())
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# Send a PIN containing an invalid digit
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assert isinstance(ret, messages.PinMatrixRequest)
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ret = client.call_raw(messages.PinMatrixAck(pin=invalid_pin))
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# Ensure the invalid PIN is detected
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assert isinstance(ret, messages.Failure)
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