thw: allow bypassing "too old firmware" error when using hw wallets - electrum - Electrum Bitcoin wallet HTML git clone https://git.parazyd.org/electrum DIR Log DIR Files DIR Refs DIR Submodules --- DIR commit 371e1a6ebff4cf7660edf7d586a47dfc940e4263 DIR parent 7cba46c317caa95b77337592ffa10e3de0fd2107 HTML Author: SomberNight <somber.night@protonmail.com> Date: Fri, 31 May 2019 04:09:03 +0200 hw: allow bypassing "too old firmware" error when using hw wallets The framework here is generic enough that it can be used for any hw plugin, however atm only Trezor is implemented. closes #5391 Diffstat: M electrum/base_wizard.py | 11 ++++++++++- M electrum/gui/qt/util.py | 12 ++++++++---- M electrum/plugin.py | 2 +- M electrum/plugins/hw_wallet/plugin.… | 20 ++++++++++++++++++++ M electrum/plugins/hw_wallet/qt.py | 20 +++++++++++++++++++- M electrum/plugins/trezor/clientbase… | 19 +++++++++++-------- M electrum/plugins/trezor/trezor.py | 4 ++-- 7 files changed, 71 insertions(+), 17 deletions(-) --- DIR diff --git a/electrum/base_wizard.py b/electrum/base_wizard.py t@@ -44,6 +44,7 @@ from .util import UserCancelled, InvalidPassword, WalletFileException from .simple_config import SimpleConfig from .plugin import Plugins, HardwarePluginLibraryUnavailable from .logging import Logger +from .plugins.hw_wallet.plugin import OutdatedHwFirmwareException, HW_PluginBase if TYPE_CHECKING: from .plugin import DeviceInfo t@@ -323,7 +324,7 @@ class BaseWizard(Logger): run_next=lambda *args: self.on_device(*args, purpose=purpose, storage=storage)) def on_device(self, name, device_info, *, purpose, storage=None): - self.plugin = self.plugins.get_plugin(name) + self.plugin = self.plugins.get_plugin(name) # type: HW_PluginBase try: self.plugin.setup_device(device_info, self, purpose) except OSError as e: t@@ -335,6 +336,14 @@ class BaseWizard(Logger): devmgr.unpair_id(device_info.device.id_) self.choose_hw_device(purpose, storage=storage) return + except OutdatedHwFirmwareException as e: + if self.question(e.text_ignore_old_fw_and_continue(), title=_("Outdated device firmware")): + self.plugin.set_ignore_outdated_fw() + # will need to re-pair + devmgr = self.plugins.device_manager + devmgr.unpair_id(device_info.device.id_) + self.choose_hw_device(purpose, storage=storage) + return except (UserCancelled, GoBack): self.choose_hw_device(purpose, storage=storage) return DIR diff --git a/electrum/gui/qt/util.py b/electrum/gui/qt/util.py t@@ -206,11 +206,15 @@ class MessageBoxMixin(object): def top_level_window(self, test_func=None): return self.top_level_window_recurse(test_func) - def question(self, msg, parent=None, title=None, icon=None): + def question(self, msg, parent=None, title=None, icon=None, **kwargs) -> bool: Yes, No = QMessageBox.Yes, QMessageBox.No - return self.msg_box(icon or QMessageBox.Question, - parent, title or '', - msg, buttons=Yes|No, defaultButton=No) == Yes + return Yes == self.msg_box(icon=icon or QMessageBox.Question, + parent=parent, + title=title or '', + text=msg, + buttons=Yes|No, + defaultButton=No, + **kwargs) def show_warning(self, msg, parent=None, title=None, **kwargs): return self.msg_box(QMessageBox.Warning, parent, DIR diff --git a/electrum/plugin.py b/electrum/plugin.py t@@ -403,7 +403,7 @@ class DeviceMgr(ThreadJob): def unpair_xpub(self, xpub): with self.lock: - if not xpub in self.xpub_ids: + if xpub not in self.xpub_ids: return _id = self.xpub_ids.pop(xpub) self._close_client(_id) DIR diff --git a/electrum/plugins/hw_wallet/plugin.py b/electrum/plugins/hw_wallet/plugin.py t@@ -44,6 +44,7 @@ class HW_PluginBase(BasePlugin): BasePlugin.__init__(self, parent, config, name) self.device = self.keystore_class.device self.keystore_class.plugin = self + self._ignore_outdated_fw = False def is_enabled(self): return True t@@ -124,6 +125,12 @@ class HW_PluginBase(BasePlugin): message += '\n' + _("Make sure you install it with python3") return message + def set_ignore_outdated_fw(self): + self._ignore_outdated_fw = True + + def is_outdated_fw_ignored(self) -> bool: + return self._ignore_outdated_fw + def is_any_tx_output_on_change_branch(tx: Transaction): if not tx.output_info: t@@ -160,3 +167,16 @@ def only_hook_if_libraries_available(func): class LibraryFoundButUnusable(Exception): def __init__(self, library_version='unknown'): self.library_version = library_version + + +class OutdatedHwFirmwareException(UserFacingException): + + def text_ignore_old_fw_and_continue(self) -> str: + suffix = (_("The firmware of your hardware device is too old. " + "If possible, you should upgrade it. " + "You can ignore this error and try to continue, however things are likely to break.") + "\n\n" + + _("Ignore and continue?")) + if str(self): + return str(self) + "\n\n" + suffix + else: + return suffix DIR diff --git a/electrum/plugins/hw_wallet/qt.py b/electrum/plugins/hw_wallet/qt.py t@@ -37,6 +37,8 @@ from electrum.gui.qt.util import (read_QIcon, WWLabel, OkButton, WindowModalDial from electrum.i18n import _ from electrum.logging import Logger +from .plugin import OutdatedHwFirmwareException + # The trickiest thing about this handler was getting windows properly # parented on macOS. t@@ -212,11 +214,27 @@ class QtPluginBase(object): handler = self.create_handler(window) handler.button = button keystore.handler = handler - keystore.thread = TaskThread(window, window.on_error) + keystore.thread = TaskThread(window, on_error=partial(self.on_task_thread_error, window, keystore)) self.add_show_address_on_hw_device_button_for_receive_addr(wallet, keystore, window) # Trigger a pairing keystore.thread.add(partial(self.get_client, keystore)) + def on_task_thread_error(self, window, keystore, exc_info): + e = exc_info[1] + if isinstance(e, OutdatedHwFirmwareException): + if window.question(e.text_ignore_old_fw_and_continue(), title=_("Outdated device firmware")): + self.set_ignore_outdated_fw() + # will need to re-pair + devmgr = self.device_manager() + def re_pair_device(): + device_id = self.choose_device(window, keystore) + devmgr.unpair_id(device_id) + self.get_client(keystore) + keystore.thread.add(re_pair_device) + return + else: + window.on_error(exc_info) + def choose_device(self, window, keystore): '''This dialog box should be usable even if the user has forgotten their PIN or it is in bootloader mode.''' DIR diff --git a/electrum/plugins/trezor/clientbase.py b/electrum/plugins/trezor/clientbase.py t@@ -7,6 +7,7 @@ from electrum.util import UserCancelled, UserFacingException from electrum.keystore import bip39_normalize_passphrase from electrum.bip32 import BIP32Node, convert_bip32_path_to_list_of_uint32 as parse_path from electrum.logging import Logger +from electrum.plugins.hw_wallet.plugin import OutdatedHwFirmwareException from trezorlib.client import TrezorClient from trezorlib.exceptions import TrezorFailure, Cancelled, OutdatedFirmwareError t@@ -29,6 +30,8 @@ MESSAGES = { class TrezorClientBase(Logger): def __init__(self, transport, handler, plugin): + if plugin.is_outdated_fw_ignored(): + TrezorClient.is_outdated = lambda *args, **kwargs: False self.client = TrezorClient(transport, ui=self) self.plugin = plugin self.device = plugin.device t@@ -62,15 +65,15 @@ class TrezorClientBase(Logger): def __enter__(self): return self - def __exit__(self, exc_type, exc_value, traceback): + def __exit__(self, exc_type, e, traceback): self.end_flow() - if exc_value is not None: - if issubclass(exc_type, Cancelled): - raise UserCancelled from exc_value - elif issubclass(exc_type, TrezorFailure): - raise RuntimeError(str(exc_value)) from exc_value - elif issubclass(exc_type, OutdatedFirmwareError): - raise UserFacingException(exc_value) from exc_value + if e is not None: + if isinstance(e, Cancelled): + raise UserCancelled from e + elif isinstance(e, TrezorFailure): + raise RuntimeError(str(e)) from e + elif isinstance(e, OutdatedFirmwareError): + raise OutdatedHwFirmwareException(e) from e else: return False return True DIR diff --git a/electrum/plugins/trezor/trezor.py b/electrum/plugins/trezor/trezor.py t@@ -15,7 +15,7 @@ from electrum.logging import get_logger from ..hw_wallet import HW_PluginBase from ..hw_wallet.plugin import (is_any_tx_output_on_change_branch, trezor_validate_op_return_output_and_get_data, - LibraryFoundButUnusable) + LibraryFoundButUnusable, OutdatedHwFirmwareException) _logger = get_logger(__name__) t@@ -275,7 +275,7 @@ class TrezorPlugin(HW_PluginBase): msg = (_('Outdated {} firmware for device labelled {}. Please ' 'download the updated firmware from {}') .format(self.device, client.label(), self.firmware_URL)) - raise UserFacingException(msg) + raise OutdatedHwFirmwareException(msg) # fixme: we should use: client.handler = wizard client.handler = self.create_handler(wizard)