Le 19/10/2015 15:24, Hendrik Boom a écrit :
> On Mon, Oct 05, 2015 at 05:13:40PM -0400, Hendrik Boom wrote:
>> On Mon, Oct 05, 2015 at 09:47:02PM +0200, Riccardo Boninsegna wrote:
>>> On Mon, Oct 5, 2015 at 9:12 PM, Hendrik Boom <hendrik@???> wrote:
>>>> I installed lpr, and it did take a lot of cups off. Do I really need cups?
>>> Nope, especially with a Brother that's very LPR-friendly!
>>> As you found out, cups-bsd is just a port of LPR programs to CUPS.
>>>
>>>> But I still don't know how to specify my network printer.
>>> I'm not familiar at all with LPR, but I know a printcap entry for the
>>> printer is created (if it's currently connected via USB) by the
>>> driver's postinst somewhere under /opt/Brother; according to the
>>> printcap manpage, you'd have to edit the "lp" option -- the
>>> description says "local printer device, or port@host for remote"!
>> Presumeably that would be port 515 at whatever the IP number for the
>> printer is. Will try that wen I'm home near the priniter again.
>>
>> And what's there in the way of termcap is a shell script
>> /opt/brother/Printers/hl3170cdw/inf/setupPrintcapij that creates a
>> termcap. I hope it will get executed at the right time. At bootup,
>> perhaps?
>>
>> I'll see when I'm home again.
> Hand-edited /etc/termcap:
> root@notlookedfor:/home/hendrik# cat /etc/printcap
> HL3170CDW:\
> :mx=0:\
> :sd=/var/spool/lpd/hl3170cdw:\
> :sh:\
> :lp=515@172.25.1.122:\
> :if=/opt/brother/Printers/hl3170cdw/lpd/filterhl3170cdw:
> root@notlookedfor:/home/hendrik#
>
> Now I get
>
> hendrik@notlookedfor:~$ lpr -h -PHL3170CDW Documents/math/Librationism=1407.3877v3.ps
> lpr: cannot open /var/spool/lpd/hl3170cdw/.seq: Permission denied
> hendrik@notlookedfor:~$
>
> This happens even if I run as root:
>
> root@notlookedfor:/home/hendrik# lpr -h -PHL3170CDW Documents/math/Librationism=1407.3877v3.ps
> lpr: cannot open /var/spool/lpd/hl3170cdw/.seq: Permission denied
> root@notlookedfor:/home/hendrik#
>
> That directory is owned by the lp daemon:
>
> oot@notlookedfor:/home/hendrik# ls -al /var/spool/lpd/hl3170cdwtotal 8
> drwx------ 2 daemon lp 4096 Oct 5 14:40 .
> drwxr-xr-x 5 root root 4096 Oct 19 09:02 ..
> -rw------- 1 daemon lp 0 Oct 5 14:32 acct
> -rw------- 1 daemon lp 0 Oct 5 14:32 log
> -rw------- 1 daemon lp 0 Oct 5 14:32 status
> -rw------- 1 daemon lp 0 Oct 5 14:32 status.pr
> root@notlookedfor:/home/hendrik#
>
> and it contains no .seq file. Preumably that fle would be created as needed.
> And presumably the permissions are checked in some way that can exclude root.
>
>
Hi Hendrik.
I can see one reason for root to be unable to get the permission:
lpr being owned by another user than root and being suid; this is fine
at the condidiont that this owner is 'daemon', given the owner and
permissions of /var/spool/lpd.
Didier
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Re: [DNG] Printing -- now a permiss…
