Confirmed still a problem with a new install of Jaunty.
cups-pdf 2.5.0-1ubuntu1 PDF printer for CUPS
The failure to write to the ~./PDF directory can be confirmed with tail
/var/log/cups/cups_pdf.log
mkdir .PDF from users home directory resolves.
Apparmor audit entry says:
kernel: [ 1938.022085] type=1503 audit(1243933166.961:11): operation="capable"
name="dac_override" pid=4553 profile="/usr/lib/cups/backend/cups-pdf"
the Apparmor profile /etc/apparmor.d/usr.sbin.cupsd contains:
# we treat cups-pdf specially, since it needs to write into /home
# and thus needs extra paranoia
/usr/lib/cups/backend/cups-pdf Px,
# separate profile since this needs to write into /home
/usr/lib/cups/backend/cups-pdf {
#include <abstractions/base>
#include <abstractions/fonts>
#include <abstractions/nameservice>
#include <abstractions/user-tmp>
capability chown,
capability fowner,
capability fsetid,
capability setgid,
capability setuid,
/bin/dash ixr,
/bin/bash ixr,
/etc/papersize r,
/etc/cups/cups-pdf.conf r,
@{HOME}/PDF/ rw,
@{HOME}/PDF/* rw,
/usr/bin/gs ixr,
/usr/lib/cups/backend/cups-pdf mr,
/usr/lib/ghostscript/** mr,
/usr/share/** r,
/var/log/cups/cups-pdf_log w,
/var/spool/cups-pdf/** rw,
}
It would seem that there are rules to allow writing to ~./PDF and
~./PDF/*, but they are not working. I was not able to work out why.
This is a trivial problem for experienced users to solve, but as a
usability issue for non-technical users it deserves a higher priority.
While there is an out-of-box alternative 'print to file', select 'pdf'
format, this may not be intuitive or clear for new users, as the
documentation at
https://help.ubuntu.com/community/PDFPrinting?action=show&redirect=PrintToPDF
is outdated and only mentions the cups-pdf method. I will try and update
it.
--
cups-pdf requires user to create output folder in 8.10 before working correctly.
https://bugs.launchpad.net/bugs/295318
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