bug#35996: User account password got locked when booting old generation

["Gábor Boskovits" <boskovits@gmail.com>]

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Hello,




pelzflorian (Florian Pelz) <pelzflorian@pelzflorian.de> ezt írta (időpont:
2019. jún. 3., Hét 8:04):

> After I booted to a Guix install USB, chrooted as described on the
> Arch wiki and started a Guix daemon, I could reconfigure as before.
> There was no need to fiddle with grub-install.
>
> After multiple reconfigures, it happened again, my /etc/shadow has !
> again in the password field.  My recently changed root password became
> empty as well, like 35902.  I did not even run sudo concurrently.  The
> password just got locked.
>
This is the same thing that happened to me, and there is another report,
regarding passwords being reset. I believe we should merge these two bugs.
I am on a mobile with no convinient way to look up the issue number.

>
> The /etc from the “populating from /gnu/store/*-etc” messages has no
> significant differences either.
>
>
>
> On Sat, Jun 01, 2019 at 11:37:51PM +0200, Ludovic Courtès wrote:
> > "pelzflorian (Florian Pelz)" <pelzflorian@pelzflorian.de> skribis:
> > > AccountsService appears to only be usable for reading /etc/shadow, not
> > > for writing it, contrary to what the Guix manual claims (??).
> >
> > That might be a bug.
> >
>
> AccountsService obviously can change passwords.  No bug here.  Sorry.
> I was confused.
>
>
> > > For writing passwords, gnome-control-center does not use
> > > AccountsService, it calls /usr/bin/passwd directly in its source code
> > > in panels/user-accounts/run-passwd.c.
> >
> > That’s definitely a bug to fix: it should invoke
> > /run/setuid-programs/passwd instead.
> >
>
> Find attached two patches that fix GNOME password changing.  Both are
> required.
>
> Regards,
> Florian
>

On my machine it turned out that the hdd is faulty, so this might be a
hardware error, I will get a replacement drive tomorrow, and check if the
problem still persist.

Best regards,
g_bor

>

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