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| -rw-r--r-- | archinstall/lib/hsm/fido.py | 137 |
diff --git a/archinstall/lib/hsm/fido.py b/archinstall/lib/hsm/fido.py index 49f36957..4cd956a3 100644 --- a/archinstall/lib/hsm/fido.py +++ b/archinstall/lib/hsm/fido.py @@ -1,57 +1,92 @@ -import typing -import pathlib import getpass import logging + +from dataclasses import dataclass +from pathlib import Path +from typing import List + from ..general import SysCommand, SysCommandWorker, clear_vt100_escape_codes from ..disk.partition import Partition from ..general import log -def get_fido2_devices() -> typing.Dict[str, typing.Dict[str, str]]: - """ - Uses systemd-cryptenroll to list the FIDO2 devices - connected that supports FIDO2. - Some devices might show up in udevadm as FIDO2 compliant - when they are in fact not. - - The drawback of systemd-cryptenroll is that it uses human readable format. - That means we get this weird table like structure that is of no use. - - So we'll look for `MANUFACTURER` and `PRODUCT`, we take their index - and we split each line based on those positions. - """ - worker = clear_vt100_escape_codes(SysCommand(f"systemd-cryptenroll --fido2-device=list").decode('UTF-8')) - - MANUFACTURER_POS = 0 - PRODUCT_POS = 0 - devices = {} - for line in worker.split('\r\n'): - if '/dev' not in line: - MANUFACTURER_POS = line.find('MANUFACTURER') - PRODUCT_POS = line.find('PRODUCT') - continue - - path = line[:MANUFACTURER_POS].rstrip() - manufacturer = line[MANUFACTURER_POS:PRODUCT_POS].rstrip() - product = line[PRODUCT_POS:] - - devices[path] = { - 'manufacturer' : manufacturer, - 'product' : product - } - - return devices - -def fido2_enroll(hsm_device_path :pathlib.Path, partition :Partition, password :str) -> bool: - worker = SysCommandWorker(f"systemd-cryptenroll --fido2-device={hsm_device_path} {partition.real_device}", peak_output=True) - pw_inputted = False - pin_inputted = False - while worker.is_alive(): - if pw_inputted is False and bytes(f"please enter current passphrase for disk {partition.real_device}", 'UTF-8') in worker._trace_log.lower(): - worker.write(bytes(password, 'UTF-8')) - pw_inputted = True - - elif pin_inputted is False and bytes(f"please enter security token pin", 'UTF-8') in worker._trace_log.lower(): - worker.write(bytes(getpass.getpass(" "), 'UTF-8')) - pin_inputted = True - - log(f"You might need to touch the FIDO2 device to unlock it if no prompt comes up after 3 seconds.", level=logging.INFO, fg="yellow")
\ No newline at end of file + +@dataclass +class Fido2Device: + path: Path + manufacturer: str + product: str + + +class Fido2: + _loaded: bool = False + _fido2_devices: List[Fido2Device] = [] + + @classmethod + def get_fido2_devices(cls, reload: bool = False) -> List[Fido2Device]: + """ + Uses systemd-cryptenroll to list the FIDO2 devices + connected that supports FIDO2. + Some devices might show up in udevadm as FIDO2 compliant + when they are in fact not. + + The drawback of systemd-cryptenroll is that it uses human readable format. + That means we get this weird table like structure that is of no use. + + So we'll look for `MANUFACTURER` and `PRODUCT`, we take their index + and we split each line based on those positions. + + Output example: + + PATH MANUFACTURER PRODUCT + /dev/hidraw1 Yubico YubiKey OTP+FIDO+CCID + """ + + # to prevent continous reloading which will slow + # down moving the cursor in the menu + if not cls._loaded or reload: + ret = SysCommand(f"systemd-cryptenroll --fido2-device=list").decode('UTF-8') + if not ret: + log('Unable to retrieve fido2 devices', level=logging.ERROR) + return [] + + fido_devices = clear_vt100_escape_codes(ret) + + manufacturer_pos = 0 + product_pos = 0 + devices = [] + + for line in fido_devices.split('\r\n'): + if '/dev' not in line: + manufacturer_pos = line.find('MANUFACTURER') + product_pos = line.find('PRODUCT') + continue + + path = line[:manufacturer_pos].rstrip() + manufacturer = line[manufacturer_pos:product_pos].rstrip() + product = line[product_pos:] + + devices.append( + Fido2Device(path, manufacturer, product) + ) + + cls._loaded = True + cls._fido2_devices = devices + + return cls._fido2_devices + + @classmethod + def fido2_enroll(cls, hsm_device: Fido2Device, partition :Partition, password :str): + worker = SysCommandWorker(f"systemd-cryptenroll --fido2-device={hsm_device.path} {partition.real_device}", peak_output=True) + pw_inputted = False + pin_inputted = False + + while worker.is_alive(): + if pw_inputted is False and bytes(f"please enter current passphrase for disk {partition.real_device}", 'UTF-8') in worker._trace_log.lower(): + worker.write(bytes(password, 'UTF-8')) + pw_inputted = True + + elif pin_inputted is False and bytes(f"please enter security token pin", 'UTF-8') in worker._trace_log.lower(): + worker.write(bytes(getpass.getpass(" "), 'UTF-8')) + pin_inputted = True + + log(f"You might need to touch the FIDO2 device to unlock it if no prompt comes up after 3 seconds.", level=logging.INFO, fg="yellow") |