mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-25 17:09:44 +00:00
388 lines
14 KiB
Python
388 lines
14 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>.
|
|
|
|
from __future__ import annotations
|
|
|
|
from copy import deepcopy
|
|
from typing import Any, Iterator
|
|
|
|
import pytest
|
|
|
|
from trezorlib import debuglink, device, exceptions, messages, models
|
|
from trezorlib._internal import translations
|
|
from trezorlib.debuglink import TrezorClientDebugLink as Client
|
|
from trezorlib.debuglink import message_filters
|
|
|
|
from ..translations import (
|
|
LANGUAGES,
|
|
build_and_sign_blob,
|
|
get_lang_json,
|
|
prepare_blob,
|
|
set_language,
|
|
sign_blob,
|
|
)
|
|
|
|
pytestmark = pytest.mark.skip_t1b1
|
|
|
|
|
|
MAX_DATA_LENGTH = {
|
|
models.T2T1: 48 * 1024,
|
|
models.T2B1: 32 * 1024,
|
|
models.T3T1: 256 * 1024,
|
|
}
|
|
|
|
|
|
def get_ping_button(lang: str) -> str:
|
|
content = get_lang_json(lang)
|
|
return content["translations"]["buttons__confirm"]
|
|
|
|
|
|
def get_ping_title(lang: str) -> str:
|
|
content = get_lang_json(lang)
|
|
return content["translations"]["words__confirm"]
|
|
|
|
|
|
@pytest.fixture
|
|
def client(client: Client) -> Iterator[Client]:
|
|
lang_before = client.features.language or ""
|
|
try:
|
|
set_language(client, "en")
|
|
yield client
|
|
finally:
|
|
set_language(client, lang_before[:2])
|
|
|
|
|
|
def _check_ping_screen_texts(client: Client, title: str, right_button: str) -> None:
|
|
def ping_input_flow(client: Client, title: str, right_button: str):
|
|
yield
|
|
layout = client.debug.wait_layout()
|
|
assert layout.title().upper() == title.upper()
|
|
assert layout.button_contents()[-1].upper() == right_button.upper()
|
|
client.debug.press_yes()
|
|
|
|
# TT does not have a right button text (but a green OK tick)
|
|
if client.model in (models.T2T1, models.T3T1):
|
|
right_button = "-"
|
|
|
|
with client:
|
|
client.watch_layout(True)
|
|
client.set_input_flow(ping_input_flow(client, title, right_button))
|
|
ping = client.call(messages.Ping(message="ahoj!", button_protection=True))
|
|
assert ping == messages.Success(message="ahoj!")
|
|
|
|
|
|
def test_error_too_long(client: Client):
|
|
assert client.features.language == "en-US"
|
|
# Translations too long
|
|
# Sending more than allowed by the flash capacity
|
|
max_length = MAX_DATA_LENGTH[client.model]
|
|
with pytest.raises(exceptions.TrezorFailure, match="Translations too long"), client:
|
|
bad_data = (max_length + 1) * b"a"
|
|
device.change_language(client, language_data=bad_data)
|
|
assert client.features.language == "en-US"
|
|
_check_ping_screen_texts(client, get_ping_title("en"), get_ping_button("en"))
|
|
|
|
|
|
def test_error_invalid_data_length(client: Client):
|
|
assert client.features.language == "en-US"
|
|
# Invalid data length
|
|
# Sending more data than advertised in the header
|
|
with pytest.raises(exceptions.TrezorFailure, match="Invalid data length"), client:
|
|
good_data = build_and_sign_blob("cs", client)
|
|
bad_data = good_data + b"abcd"
|
|
device.change_language(client, language_data=bad_data)
|
|
assert client.features.language == "en-US"
|
|
_check_ping_screen_texts(client, get_ping_title("en"), get_ping_button("en"))
|
|
|
|
|
|
def test_error_invalid_header_magic(client: Client):
|
|
assert client.features.language == "en-US"
|
|
# Invalid header magic
|
|
# Does not match the expected magic
|
|
with pytest.raises(
|
|
exceptions.TrezorFailure, match="Invalid translations data"
|
|
), client:
|
|
good_data = build_and_sign_blob("cs", client)
|
|
bad_data = 4 * b"a" + good_data[4:]
|
|
device.change_language(client, language_data=bad_data)
|
|
assert client.features.language == "en-US"
|
|
_check_ping_screen_texts(client, get_ping_title("en"), get_ping_button("en"))
|
|
|
|
|
|
def test_error_invalid_data_hash(client: Client):
|
|
assert client.features.language == "en-US"
|
|
# Invalid data hash
|
|
# Changing the data after their hash has been calculated
|
|
with pytest.raises(
|
|
exceptions.TrezorFailure, match="Translation data verification failed"
|
|
), client:
|
|
good_data = build_and_sign_blob("cs", client)
|
|
bad_data = good_data[:-8] + 8 * b"a"
|
|
device.change_language(
|
|
client,
|
|
language_data=bad_data,
|
|
)
|
|
assert client.features.language == "en-US"
|
|
_check_ping_screen_texts(client, get_ping_title("en"), get_ping_button("en"))
|
|
|
|
|
|
def test_error_version_mismatch(client: Client):
|
|
assert client.features.language == "en-US"
|
|
# Translations version mismatch
|
|
# Change the version to one not matching the current device
|
|
with pytest.raises(
|
|
exceptions.TrezorFailure, match="Translations version mismatch"
|
|
), client:
|
|
blob = prepare_blob("cs", client.model, (3, 5, 4, 0))
|
|
device.change_language(
|
|
client,
|
|
language_data=sign_blob(blob),
|
|
)
|
|
assert client.features.language == "en-US"
|
|
_check_ping_screen_texts(client, get_ping_title("en"), get_ping_button("en"))
|
|
|
|
|
|
def test_error_invalid_signature(client: Client):
|
|
assert client.features.language == "en-US"
|
|
# Invalid signature
|
|
# Changing the data in the signature section
|
|
with pytest.raises(
|
|
exceptions.TrezorFailure, match="Invalid translations data"
|
|
), client:
|
|
blob = prepare_blob("cs", client.model, client.version)
|
|
blob.proof = translations.Proof(
|
|
merkle_proof=[],
|
|
sigmask=0b011,
|
|
signature=b"a" * 64,
|
|
)
|
|
device.change_language(
|
|
client,
|
|
language_data=blob.build(),
|
|
)
|
|
assert client.features.language == "en-US"
|
|
_check_ping_screen_texts(client, get_ping_title("en"), get_ping_button("en"))
|
|
|
|
|
|
@pytest.mark.parametrize("lang", LANGUAGES)
|
|
def test_full_language_change(client: Client, lang: str):
|
|
assert client.features.language == "en-US"
|
|
assert client.features.language_version_matches is True
|
|
|
|
# Setting selected language
|
|
set_language(client, lang)
|
|
assert client.features.language[:2] == lang
|
|
assert client.features.language_version_matches is True
|
|
_check_ping_screen_texts(client, get_ping_title(lang), get_ping_button(lang))
|
|
|
|
# Setting the default language via empty data
|
|
set_language(client, "en")
|
|
assert client.features.language == "en-US"
|
|
assert client.features.language_version_matches is True
|
|
_check_ping_screen_texts(client, get_ping_title("en"), get_ping_button("en"))
|
|
|
|
|
|
def test_language_is_removed_after_wipe(client: Client):
|
|
assert client.features.language == "en-US"
|
|
|
|
_check_ping_screen_texts(client, get_ping_title("en"), get_ping_button("en"))
|
|
|
|
# Setting cs language
|
|
set_language(client, "cs")
|
|
assert client.features.language == "cs-CZ"
|
|
|
|
_check_ping_screen_texts(client, get_ping_title("cs"), get_ping_button("cs"))
|
|
|
|
# Wipe device
|
|
device.wipe(client)
|
|
assert client.features.language == "en-US"
|
|
|
|
# Load it again
|
|
debuglink.load_device(
|
|
client,
|
|
mnemonic=" ".join(["all"] * 12),
|
|
pin=None,
|
|
passphrase_protection=False,
|
|
label="test",
|
|
)
|
|
assert client.features.language == "en-US"
|
|
|
|
_check_ping_screen_texts(client, get_ping_title("en"), get_ping_button("en"))
|
|
|
|
|
|
def test_translations_renders_on_screen(client: Client):
|
|
czech_data = get_lang_json("cs")
|
|
|
|
# Setting some values of words__confirm key and checking that in ping screen title
|
|
assert client.features.language == "en-US"
|
|
|
|
# Normal english
|
|
_check_ping_screen_texts(client, get_ping_title("en"), get_ping_button("en"))
|
|
|
|
# Normal czech
|
|
set_language(client, "cs")
|
|
assert client.features.language == "cs-CZ"
|
|
_check_ping_screen_texts(client, get_ping_title("cs"), get_ping_button("cs"))
|
|
|
|
# Modified czech - changed value
|
|
czech_data_copy = deepcopy(czech_data)
|
|
new_czech_confirm = "ABCD"
|
|
czech_data_copy["translations"]["words__confirm"] = new_czech_confirm
|
|
device.change_language(
|
|
client,
|
|
language_data=build_and_sign_blob(czech_data_copy, client),
|
|
)
|
|
_check_ping_screen_texts(client, new_czech_confirm, get_ping_button("cs"))
|
|
|
|
# Modified czech - key deleted completely, english is shown
|
|
czech_data_copy = deepcopy(czech_data)
|
|
del czech_data_copy["translations"]["words__confirm"]
|
|
device.change_language(
|
|
client,
|
|
language_data=build_and_sign_blob(czech_data_copy, client),
|
|
)
|
|
_check_ping_screen_texts(client, get_ping_title("en"), get_ping_button("cs"))
|
|
|
|
|
|
def test_reject_update(client: Client):
|
|
assert client.features.language == "en-US"
|
|
lang = "cs"
|
|
language_data = build_and_sign_blob(lang, client)
|
|
|
|
def input_flow_reject():
|
|
yield
|
|
client.debug.press_no()
|
|
|
|
with pytest.raises(exceptions.Cancelled), client:
|
|
client.set_input_flow(input_flow_reject)
|
|
device.change_language(client, language_data)
|
|
|
|
assert client.features.language == "en-US"
|
|
|
|
_check_ping_screen_texts(client, get_ping_title("en"), get_ping_button("en"))
|
|
|
|
|
|
def _maybe_confirm_set_language(
|
|
client: Client, lang: str, show_display: bool | None, is_displayed: bool
|
|
) -> None:
|
|
language_data = build_and_sign_blob(lang, client)
|
|
|
|
CHUNK_SIZE = 1024
|
|
|
|
def chunks(data, size):
|
|
for i in range(0, len(data), size):
|
|
yield i, min(size, len(data) - i)
|
|
|
|
expected_responses_silent: list[Any] = [
|
|
messages.TranslationDataRequest(data_offset=off, data_length=len)
|
|
for off, len in chunks(language_data, CHUNK_SIZE)
|
|
] + [message_filters.Success(), message_filters.Features()]
|
|
|
|
expected_responses_confirm = expected_responses_silent[:]
|
|
# confirmation after first TranslationDataRequest
|
|
expected_responses_confirm.insert(1, message_filters.ButtonRequest())
|
|
# success screen before Success / Features
|
|
expected_responses_confirm.insert(-2, message_filters.ButtonRequest())
|
|
|
|
if is_displayed:
|
|
expected_responses = expected_responses_confirm
|
|
else:
|
|
expected_responses = expected_responses_silent
|
|
|
|
with client:
|
|
client.set_expected_responses(expected_responses)
|
|
device.change_language(client, language_data, show_display=show_display)
|
|
assert client.features.language is not None
|
|
assert client.features.language[:2] == lang
|
|
|
|
# explicitly handle the cases when expected_responses are correct for
|
|
# change_language but incorrect for selected is_displayed mode (otherwise the
|
|
# user would get an unhelpful generic expected_responses mismatch)
|
|
if is_displayed and client.actual_responses == expected_responses_silent:
|
|
raise AssertionError("Change should have been visible but was silent")
|
|
if not is_displayed and client.actual_responses == expected_responses_confirm:
|
|
raise AssertionError("Change should have been silent but was visible")
|
|
# if the expected_responses do not match either, the generic error message will
|
|
# be raised by the client context manager
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"show_display, is_displayed",
|
|
[ # when device is not initialized, all combinations succeed.
|
|
(True, True),
|
|
(False, False),
|
|
(None, False), # default is False
|
|
],
|
|
)
|
|
@pytest.mark.setup_client(uninitialized=True)
|
|
def test_silent_first_install(client: Client, show_display: bool, is_displayed: bool):
|
|
assert not client.features.initialized
|
|
_maybe_confirm_set_language(client, "cs", show_display, is_displayed)
|
|
|
|
|
|
@pytest.mark.parametrize("show_display", (True, None))
|
|
def test_switch_from_english(client: Client, show_display: bool | None):
|
|
assert client.features.initialized
|
|
assert client.features.language == "en-US"
|
|
_maybe_confirm_set_language(client, "cs", show_display, True)
|
|
|
|
|
|
def test_switch_from_english_not_silent(client: Client):
|
|
assert client.features.initialized
|
|
assert client.features.language == "en-US"
|
|
with pytest.raises(
|
|
exceptions.TrezorFailure, match="Cannot change language without user prompt"
|
|
):
|
|
_maybe_confirm_set_language(client, "cs", False, False)
|
|
|
|
|
|
@pytest.mark.setup_client(uninitialized=True)
|
|
def test_switch_language(client: Client):
|
|
assert not client.features.initialized
|
|
assert client.features.language == "en-US"
|
|
|
|
# switch to Czech silently
|
|
_maybe_confirm_set_language(client, "cs", False, False)
|
|
|
|
# switch to French silently
|
|
with pytest.raises(
|
|
exceptions.TrezorFailure, match="Cannot change language without user prompt"
|
|
):
|
|
_maybe_confirm_set_language(client, "fr", False, False)
|
|
|
|
# switch to French with display, explicitly
|
|
_maybe_confirm_set_language(client, "fr", True, True)
|
|
|
|
# switch back to Czech with display, implicitly
|
|
_maybe_confirm_set_language(client, "cs", None, True)
|
|
|
|
|
|
def test_header_trailing_data(client: Client):
|
|
"""Adding trailing data to _header_ section specifically must be accepted by
|
|
firmware, as long as the blob is otherwise valid and signed.
|
|
|
|
(this ensures forwards compatibility if we extend the header)
|
|
"""
|
|
assert client.features.language == "en-US"
|
|
lang = "cs"
|
|
blob = prepare_blob(lang, client.model, client.version)
|
|
blob.header_bytes += b"trailing dataa"
|
|
assert len(blob.header_bytes) % 2 == 0, "Trailing data must keep the 2-alignment"
|
|
language_data = sign_blob(blob)
|
|
|
|
device.change_language(client, language_data)
|
|
assert client.features.language == "cs-CZ"
|
|
_check_ping_screen_texts(client, get_ping_title(lang), get_ping_button(lang))
|