Pause/Resume printing jobs: SOLVED, sorta

Joel Hammer
Thu, 29 Nov 2001 08:47:09 -0000

I forgot one item. If the print job is stalled (eg. The printer was turned
off and it is the first job in the queue) then pausing may not work properly.
Joel
On Thu, Nov 29, 2001 at 10:28:02AM -0600, Tony Ricker
wrote:
> Joel,
> 	I was able to implement your fix, thanks. I will play with the original
> lpd.perms and share any headway I make. I thank you for your help.
>
> Cheers,
>
> Tony
>
> Joel Hammer wrote:
> >
> > Well, the original post drifted away, so I added a new name, hoping
this
> > won't be overlooked.
> > This is due to two things:
> > First, when lpd starts up, it reads lpd.perms, which may reside in
> > /etc/lpd.perms, other etc locations, and/or in the print queue itself.
> > lpd.perms is dense, beyond me for now, but, if you make it a one line
> > configuration file:
> > DEFAULT ACCEPT
> > then you allow everyone to access the full range of lpc and other
commands.
> > Not very secure but this is troubleshooting. Make sure your firewall
is up.
> > Second, unlike linux, which allows everyone then to alter print jobs
in the
> > queue, windows only allows the owner of the file to alter the print
job,
> > even with DEFAULT ACCEPT as above. Ergo, in a windows environment,
this
> > DEFAULT ACCEPT may not be too serious. A windows user cannot for
example
> > cancel any print jobs other than the ones he owns under the name he
logged
> > into windows with, and, he cannot stop the queue, etc, as far as I can
see.
> > (I would definitely check this out for yourself. By day I examine
> > gallbladders for a living.)
> > So, if the user name in windows is the same as the user name that
samba is
> > working with, and I have made lpd.perms a one line open door as above,
> > then I can pause and resume jobs. Yeaah!.
> > However, if the windows user name is different from the user name in
samba,
> > and it will be different if you have a guest login like ftp, then the
windows
> > user cannot pause and resume jobs.  Windows won't let them.
> > Now, there may be errors in this explanation, since I cannot
exhaustively
> > try every combination of variables and still keep my day job,  but,
that is
> > what I have done and it works.
> > It is somewhat shocking that a linux tech support hotline wouldn't
have
> > thought of lpd.perms as the reason for this. After all, they do this
for
> > their bread and butter.
> > Joel
> >
> > On Mon, Nov 26, 2001 at 12:48:41PM -0600, Tony Ricker wrote:
> > > All,
> > >       I have the following in my smb.comf for printing
commands...
> > >
> > > # NOTE: If you have a BSD-style print system there is no need to
> > > # specifically define each individual printer
> > > [printers]
> > >    comment = All Printers
> > >    path = /var/spool/samba
> > >    browseable = no
> > >    print ok = yes
> > >    print command = /usr/bin/lpr -P%p -r %s
> > >    lpq command = /usr/bin/lpq -P%p
> > >    lprm command = /usr/bin/lprm -P%p %j
> > >    lppause command = /usr/sbin/lpc hold %p %j
> > >    lpresume command = /usr/sbin/lpc release %p %j
> > >    queuepause command = /usr/sbin/lpc -P%p stop
> > >    queueresume command = /usr/sbin/lpc -P%p start
> > >
> > > I got this from a tech guy from Red Hat. When I try to pause a
print
> > > job, it says "You do not have sufficient privaliges to
modify this job."
> > > I did a chmod 777 on /usr/bin and /usr/sbin to no avail. Red Hat
support
> > > (oxymoron) says that they have no idea as to what would be
causing this
> > > (windoze or linux). Any ideas?  Has anyone ran into this? System
config
> > > is Red Hat 7.1 with samba 2.2.2
> > >
> > > Cheers,
> > >
> > > Tony
> >
> > --
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>
> --
> -------------------------------
> Tony Ricker
> Technology Coordinator
> SLUCare - P.M.O.
> St. Louis University
> Phone:  314.977.6844
> E-mail: rickera2@slu.edu
> -------------------------------
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> experts mind, there are few"
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