[systemd-devel] [EXT] Re: bluetooth keyboard support at boot, before cryptsetup?

[Windl, Ulrich]

You may also want to read https://serverfault.com/q/137091/407952

Kind regards,
Ulrich Windl

> -----Original Message-----
> From: systemd-devel <systemd-devel-bounces at lists.freedesktop.org> On
> Behalf Of Lennart Poettering
> Sent: Thursday, February 27, 2025 11:29 AM
> To: Alexis Hallebarde <hallebarde at gmx.com>
> Cc: systemd-devel at lists.freedesktop.org
> Subject: [EXT] Re: [systemd-devel] bluetooth keyboard support at boot,
> before cryptsetup?
> 
> On So, 16.02.25 18:30, Alexis Hallebarde (hallebarde at gmx.com) wrote:
> 
> >    Hello,
> >
> >    I have the impression that everything for this support, is integrated but
> >    that it is not active by default.
> >
> >    I want to talk about the bluetooth keyboard support at the very beginning
> >    of the system boot, just before entering the cryptsetup password of our
> >    hardrive.
> 
> This would require support for bluez to run in the initrd. This is not
> an easy ask though, since at that point there is no D-Bus, and there
> is no persistency. BT pairing generally requires some kind of storage
> though.
> 
> Bluez would have to learn special support for this, i.e. store such
> pairings in an EFI variable or so.
> 
> But this is really not something we can add for you in systemd, it's
> inherently something bluez has to figure out first, and which you then
> need to convince the initrd maintainers to make use of.
> 
> Lennart
> 
> --
> Lennart Poettering, Berlin