Gentoo Archives: gentoo-user

From: Helmut Jarausch <jarausch@××××××××××××××××.de>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] cups settup broken? - please help
Date: Tue, 14 May 2013 10:00:49
Message-Id: 1368525635.3130.1@numa-i
In Reply to: Re: [gentoo-user] cups settup broken? - please help by "Yuri K. Shatroff"
1 On 05/14/2013 11:55:23 AM, Yuri K. Shatroff wrote:
2 > On 14.05.2013 13:42, Helmut Jarausch wrote:
3 >> On 05/14/2013 11:15:29 AM, Yuri K. Shatroff wrote:
4 >>> On 14.05.2013 13:05, Helmut Jarausch wrote:
5 >>>> Hi,
6 >>>> recently I have problems with CUPS (1.6.2) with cups-filters-1.0.34
7 >>>>
8 >>>> I see lots of strange error messages in /var/log/cups/error_log
9 >>>> like
10 >>>>
11 >>>>
12 >>>> Filter "pdftops" not found.
13 >>>>
14 >>>> but there is a /usr/libexec/cups/filter/pdftops
15 >>>>
16 >>>> and then
17 >>>>
18 >>>>
19 >>>> ps: File
20 >>>> "/etc/cups/${EPREFIX}/usr/libexec/cups/filter/commandtops" not
21 >>>> available: No such file or directory
22 >>>>
23 >>>> These paths look strange.
24 >>>>
25 >>>> Does any know what's going on here?
26 >>>>
27 >>>> Many thanks for a hint,
28 >>>> Helmut.
29 >>>
30 >>> Hi Helmut,
31 >>> I also had this problem after installing CUPS. There is a trouble
32 >>> with
33 >>> permissions, AFAIR you need to check that /var/spool/cups is
34 >>> accessible to your user: that is, ensure that you're in the lp group
35 >>> and /var/spool/cups group is lp. I can not be sure that this dir was
36 >>> the only one to check but it was the permissions which was the
37 >>> problem.
38 >>
39 >>
40 >>
41 >> Thanks Juri.
42 >> What do you mean by 'accessible' - here I have only group execute
43 >> permission, i.e.
44 >>
45 >> ls -ld /var/spool/cups gives
46 >> drwx--x--- 3 root lp 32768 May 14 11:37 /var/spool/cups
47 >
48 > Accessible really means accessible, i.e. when you are able to chdir
49 > to it and see its contents.
50 > Apparently, the dir lacks "group read" permission, i.e. it should be
51 > drwxr-x---
52 > the `execute` bit alone doesn't allow one to access the directory.
53 > That is probably a portage bug or sort of.
54
55 But then any user of group 'lp' on that machine can read what others
56 have spooled for printing.
57 Isn't this a security breach?
58
59
60 Thanks,
61 Helmut.

Replies

Subject Author
Re: [gentoo-user] cups settup broken? - please help Alan McKinnon <alan.mckinnon@×××××.com>