Date: Thu, 4 Oct 2007 10:16:07 +0200 From: Erik Trulsson <ertr1013@student.uu.se> To: Ian Smith <smithi@nimnet.asn.au> Cc: freebsd-questions@freebsd.org, Lisa Casey <lisa@jellico.com> Subject: Re: FreeBsd e-mail question Message-ID: <20071004081607.GA65363@owl.midgard.homeip.net> In-Reply-To: <Pine.BSF.3.96.1071004163422.4333B-100000@gaia.nimnet.asn.au> References: <20071004002231.CF6ED16A4A0@hub.freebsd.org> <Pine.BSF.3.96.1071004163422.4333B-100000@gaia.nimnet.asn.au>
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On Thu, Oct 04, 2007 at 04:56:35PM +1000, Ian Smith wrote:
> On Wed, 3 Oct 2007 16:30:54 -0400 Lisa Casey <lisa@jellico.com> wrote:
>
> > The problem comes in when a customer cancels his account. We remove users by
> > rmuser username. That command removes the user from the password file,
> > removes his home directory and removes the mailspool. What it doesn't do is
> > to remove the .username.pop file associated with that mailbox. This isn't a
> > problem unless we add another account with the same username. The new
> > account cannot pop his mail because he gets the following error messge:
> >
> > -ERR [SYS/PERM] Temporary drop /var/mail/.jjvc.pop not owned by jjvc.
> >
> > If I take a look at /var/mail/.jjvc.pop it isn't owned by anyone, the
> > ownership of the file is the group number of the original jjvc.
> >
> > -rw-rw---- 1 1473 mail 0 Sep 11 19:15
> > .jjvc.pop
> >
> > Is there anyway to have rmuser remover the mail drop file associated with
> > that account also, or am I just going to have to remove these manually?
>
> I've read this whole thread, and what's strange is that this used to
> work. I just checked our old FreeBSD 2.2.6 system where rmuser always
> cleaned up /var/mail/.{$user}.pop properly. Its /usr/sbin/rmuser had:
>
> # Remove some pop daemon's leftover file
> $file = "$mail_dir/.${login_name}.pop";
> if (-e $file || -l $file) {
> print STDERR "Removing pop daemon's temporary mail file ${file}:";
> unlink $file ||
> print STDERR "\n${whoami}: Warning: unlink on $file failed ($!) - continuing\n";
> print STDERR " done.\n";
> }
>
> So I wonder whether it's a bug - or maybe a later popper update? - that
> has the present version of rmuser looking for ${MAILSPOOL}/${login}.pop
> instead?
As far as I can tell the change was introduced back in 2002 when rmuser was
changed from a Perl program into a shell script - presumably as part of the
process of removing Perl from the base system.
FreeBSD versions 2.2 - 4.11 used the Perl version of rmuser, while all
5.x and 6.x releases have used the shell script version.
I have no idea if the difference - if the file rmuser looks for has a leading
'.' in the filename or not - was deliberate or simply a mistake, but I
suspect the latter: it is the kind of thing that is very easy to miss when
rewriting a program in another language.
--
<Insert your favourite quote here.>
Erik Trulsson
ertr1013@student.uu.se
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