Hi OpenSSH, shadow Maintainers,

On Sat, Mar 30, 2024 at 01:32:08AM +0100, Chris Hofstaedtler wrote:
> On Fri, Mar 29, 2024 at 06:02:39PM +0100, Sven Joachim wrote:
> > It seems desirable to ship liblastlog2 in trixie, considering that the
> > /var/log/lastlog file is not Y2038-safe and pam in unstable has already
> > dropped pam_lastlog.so, meaning that non-ssh logins are no longer
> > recorded in /var/log/lastlog.
> 
[..]
> At the same time, all traditional writing to /var/log/lastlog should
> stop.
> 
> So, after some of the current fog clears, src:util-linux could
> introduce new binary packages (at least libpam-lastlog2), but
> src:pam would need to add it to the common-* config files.
> 
> Does this seem right?

Answering my own question, not quite.

Apparently, traditionally we have:

* sshd writes to /var/log/lastlog by itself.
* login has pam_lastlog.so in its PAM snippet. 

Both of these would need to be replaced by pam_lastlog2.so. I don't
really know what the other distros are doing right now, and/or if
we should align on this.

So we could either put pam_lastlog2.so into a common-* file from
src:pam, or openssh and shadow should switch their setup.

What do we all think about that?

Chris

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