On 2015-02-14 at 08:07 +0300, Ivan Shapovalov wrote:
> Hi all,
>
> I'm trying to adapt systemd-{sysusers,firstboot} for creating the system
> users in an initramfs (at generation time).
> (Note: I use systemd-firstboot to set the root password.)
>
> The situation
> -------------
> So, I'm running firstboot before sysusers (judging from the unit files,
> this seems to be desired order).
>
> systemd-firstboot --root=... --root-password=PASSWORD
> systemd-sysusers --root=...
>
> The problem
> -----------
> systemd-firstboot, when ran, writes /etc/shadow only. Then
> systemd-sysusers is ran, but it expects entries to be present
> in both /etc/passwd and /etc/shadow.
>
> An entry which is present only in /etc/shadow but not in /etc/passwd
> produces an EEXIST error at lines 620-623 (if I had run the tools
> without --root argument, a different codepath would've been taken and I
> would've got an EBADMSG error at lines 902-905).
>
> The solutions
> -------------
> I see three solutions.
>
> - we can make systemd-firstboot write both /etc/passwd and /etc/shadow
> entries
> (but this is duplication of functionality; I don't like this way...)
>
> - we can run systemd-sysusers before systemd-firstboot
> (but systemd-firstboot won't write the password if the entry already
> exists)
>
> - make systemd-sysusers correctly handle entries which are only present
> in /etc/shadow
> (how? by preserving the shadow entry? by overwriting it, preserving
> the password? how else?)
>
> The question
> ------------
> Which one to implement?
>
> Thanks for consideration,Ping? Anything on this? -- Ivan Shapovalov / intelfx /
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