- in systemd's PAMName= logic: query passwords with ssh-askpassword, so that we can make "loginctl set-linger" mode work
- fingerprint authentication, pattern authentication, …
- make sure "classic" user records can also be managed by homed
- - description field for groups
- make size of $XDG_RUNTIME_DIR configurable in user record
- reuse pwquality magic in firstboot
- query password from kernel keyring first