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trezor-firmware/tests/device_tests/test_msg_recoverydevice_bip39_dryrun.py

206 lines
6.3 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 pytest
from trezorlib import device, exceptions, messages, protobuf
from .. import buttons
from ..common import MNEMONIC12
def do_recover_legacy(client, mnemonic, **kwargs):
def input_callback(_):
word, pos = client.debug.read_recovery_word()
if pos != 0:
word = mnemonic[pos - 1]
mnemonic[pos - 1] = None
assert word is not None
return word
ret = device.recover(
client,
dry_run=True,
word_count=len(mnemonic),
type=messages.RecoveryDeviceType.ScrambledWords,
input_callback=input_callback,
**kwargs
)
# if the call succeeded, check that all words have been used
assert all(m is None for m in mnemonic)
return ret
def do_recover_core(client, mnemonic, **kwargs):
def input_flow():
yield
layout = client.debug.wait_layout()
assert "check the recovery seed" in layout.text
client.debug.click(buttons.OK)
yield
layout = client.debug.wait_layout()
assert "Select number of words" in layout.text
client.debug.click(buttons.OK)
yield
layout = client.debug.wait_layout()
assert layout.text == "WordSelector"
# click the number
word_option_offset = 6
word_options = (12, 18, 20, 24, 33)
index = word_option_offset + word_options.index(len(mnemonic))
client.debug.click(buttons.grid34(index % 3, index // 3))
yield
layout = client.debug.wait_layout()
assert "Enter recovery seed" in layout.text
client.debug.click(buttons.OK)
yield
for word in mnemonic:
client.debug.input(word)
yield
client.debug.click(buttons.OK)
with client:
client.set_input_flow(input_flow)
return device.recover(client, dry_run=True, **kwargs)
def do_recover(client, mnemonic):
if client.features.model == "1":
return do_recover_legacy(client, mnemonic)
else:
return do_recover_core(client, mnemonic)
@pytest.mark.setup_client(mnemonic=MNEMONIC12)
def test_dry_run(client):
ret = do_recover(client, MNEMONIC12.split(" "))
assert isinstance(ret, messages.Success)
@pytest.mark.setup_client(mnemonic=MNEMONIC12)
def test_seed_mismatch(client):
with pytest.raises(exceptions.TrezorFailure) as exc:
do_recover(client, ["all"] * 12)
assert "does not match the one in the device" in exc.value.failure.message
@pytest.mark.skip_t2
def test_invalid_seed_t1(client):
with pytest.raises(exceptions.TrezorFailure) as exc:
do_recover(client, ["stick"] * 12)
assert "Invalid seed" in exc.value.failure.message
@pytest.mark.skip_t1
def test_invalid_seed_core(client):
def input_flow():
yield
layout = client.debug.wait_layout()
assert "check the recovery seed" in layout.text
client.debug.click(buttons.OK)
yield
layout = client.debug.wait_layout()
assert "Select number of words" in layout.text
client.debug.click(buttons.OK)
yield
layout = client.debug.wait_layout()
assert layout.text == "WordSelector"
# select 12 words
client.debug.click(buttons.grid34(0, 2))
yield
layout = client.debug.wait_layout()
assert "Enter recovery seed" in layout.text
client.debug.click(buttons.OK)
yield
for _ in range(12):
client.debug.input("stick")
code = yield
layout = client.debug.wait_layout()
assert code == messages.ButtonRequestType.Warning
assert "invalid recovery seed" in layout.text
client.debug.click(buttons.OK)
yield
# retry screen
layout = client.debug.wait_layout()
assert "Select number of words" in layout.text
client.debug.click(buttons.CANCEL)
yield
layout = client.debug.wait_layout()
assert "abort" in layout.text
client.debug.click(buttons.OK)
with client:
client.set_input_flow(input_flow)
with pytest.raises(exceptions.Cancelled):
return device.recover(client, dry_run=True)
@pytest.mark.setup_client(uninitialized=True)
def test_uninitialized(client):
with pytest.raises(exceptions.TrezorFailure) as exc:
do_recover(client, ["all"] * 12)
assert "not initialized" in exc.value.failure.message
DRY_RUN_ALLOWED_FIELDS = ("dry_run", "word_count", "enforce_wordlist", "type")
def _make_bad_params():
"""Generate a list of field names that must NOT be set on a dry-run message,
and default values of the appropriate type.
"""
for fname, ftype, _ in messages.RecoveryDevice.get_fields().values():
if fname in DRY_RUN_ALLOWED_FIELDS:
continue
if ftype is protobuf.UVarintType:
yield fname, 1
elif ftype is protobuf.BoolType:
yield fname, True
elif ftype is protobuf.UnicodeType:
yield fname, "test"
else:
# Someone added a field to RecoveryDevice of a type that has no assigned
# default value. This test must be fixed.
raise RuntimeError("unknown field in RecoveryDevice")
@pytest.mark.parametrize("field_name, field_value", _make_bad_params())
def test_bad_parameters(client, field_name, field_value):
msg = messages.RecoveryDevice(
dry_run=True,
word_count=12,
enforce_wordlist=True,
type=messages.RecoveryDeviceType.ScrambledWords,
)
setattr(msg, field_name, field_value)
with pytest.raises(exceptions.TrezorFailure) as exc:
client.call(msg)
assert "Forbidden field set in dry-run" in exc.value.failure.message