Fix 1916 (#1920)

* Do not stdout when menu is active

* Handle missing libfido2 gracefully

* Update

---------

Co-authored-by: Daniel Girtler <girtler.daniel@gmail.com>

archinstall/lib/disk/encryption_menu.py

@@ -71,6 +71,7 @@ class DiskEncryptionMenu(AbstractSubMenu):
 				description=_('Use HSM to unlock encrypted drive'),
 				func=lambda preset: select_hsm(preset),
 				display_func=lambda x: self._display_hsm(x),
+				preview_func=self._prev_hsm,
 				dependencies=['encryption_password'],
 				default=self._preset.hsm_device,
 				enabled=True
@@ -93,8 +94,6 @@ class DiskEncryptionMenu(AbstractSubMenu):
 		if device:
 			return device.manufacturer
 
-		if not Fido2.get_fido2_devices():
-			return str(_('No HSM devices available'))
 		return None
 
 	def _prev_disk_layouts(self) -> Optional[str]:
@@ -106,6 +105,22 @@ class DiskEncryptionMenu(AbstractSubMenu):
 
 		return None
 
+	def _prev_hsm(self) -> Optional[str]:
+		try:
+			Fido2.get_fido2_devices()
+		except ValueError:
+			return str(_('Unable to determine fido2 devices. Is libfido2 installed?'))
+
+		fido_device: Optional[Fido2Device] = self._menu_options['HSM'].current_selection
+
+		if fido_device:
+			output = '{}: {}'.format(str(_('Path')), fido_device.path)
+			output += '{}: {}'.format(str(_('Manufacturer')), fido_device.manufacturer)
+			output += '{}: {}'.format(str(_('Product')), fido_device.product)
+			return output
+
+		return None
+
 
 def select_encryption_type(preset: EncryptionType) -> Optional[EncryptionType]:
 	title = str(_('Select disk encryption option'))
@@ -130,7 +145,11 @@ def select_encrypted_password() -> Optional[str]:
 
 def select_hsm(preset: Optional[Fido2Device] = None) -> Optional[Fido2Device]:
 	title = _('Select a FIDO2 device to use for HSM')
+
+	try:
 		fido_devices = Fido2.get_fido2_devices()
+	except ValueError:
+		return None
 
 	if fido_devices:
 		choice = TableMenu(title, data=fido_devices).run()

archinstall/lib/disk/fido.py

@@ -7,6 +7,7 @@ from typing import List, Optional
 from .device_model import PartitionModification, Fido2Device
 from ..general import SysCommand, SysCommandWorker, clear_vt100_escape_codes
 from ..output import error, info
+from ..exceptions import SysCallError
 
 
 class Fido2:
@@ -36,13 +37,13 @@ class Fido2:
 		# to prevent continous reloading which will slow
 		# down moving the cursor in the menu
 		if not cls._loaded or reload:
-			ret: Optional[str] = None
 			try:
-				ret = SysCommand("systemd-cryptenroll --fido2-device=list").decode('UTF-8')
+				ret: Optional[str] = SysCommand("systemd-cryptenroll --fido2-device=list").decode('UTF-8')
-			except:
+			except SysCallError:
 				error('fido2 support is most likely not installed')
+				raise ValueError('HSM devices can not be detected, is libfido2 installed?')
+
 			if not ret:
-				error('Unable to retrieve fido2 devices')
 				return []
 
 			fido_devices: str = clear_vt100_escape_codes(ret)  # type: ignore

archinstall/lib/menu/menu.py

@@ -34,6 +34,11 @@ class MenuSelection:
 
 
 class Menu(TerminalMenu):
+	_menu_is_active: bool = False
+
+	@staticmethod
+	def is_menu_active() -> bool:
+		return Menu._menu_is_active
 
 	@classmethod
 	def back(cls) -> str:
@@ -260,6 +265,8 @@ class Menu(TerminalMenu):
 			return MenuSelection(type_=MenuSelectionType.Skip)
 
 	def run(self) -> MenuSelection:
+		Menu._menu_is_active = True
+
 		selection = self._show()
 
 		if selection.type_ == MenuSelectionType.Reset:
@@ -277,6 +284,8 @@ class Menu(TerminalMenu):
 				selection.type_ = MenuSelectionType.Skip
 				selection.value = None
 
+		Menu._menu_is_active = False
+
 		return selection
 
 	def set_cursor_pos(self,pos :int):

archinstall/lib/output.py

@@ -318,6 +318,8 @@ def log(
 
 	Journald.log(text, level=level)
 
+	from .menu import Menu
+	if not Menu.is_menu_active():
 		# Finally, print the log unless we skipped it based on level.
 		# We use sys.stdout.write()+flush() instead of print() to try and
 		# fix issue #94