#! /bin/sh
set -e
# Debconf
. /usr/share/debconf/confmodule
if [ "$1" = configure ]; then
# set up custom PPD directory
if ! dpkg-statoverride --list /usr/share/ppd/custom > /dev/null
then
chown root:lpadmin /usr/share/ppd/custom 2>/dev/null || true
chmod 3775 /usr/share/ppd/custom 2>/dev/null || true
fi
# Generate raw MIME handling files if they don't already exist.
if [ ! -e /etc/cups/raw.types ]; then
cat >/etc/cups/raw.types <<EOF
# This file was generated by the cups package. You may change it, or
# reconfigure this file with dpkg-reconfigure. If it is removed, it
# will be regenerated by the package scripts.
application/octet-stream
EOF
fi
if [ ! -e /etc/cups/raw.convs ]; then
cat >/etc/cups/raw.convs <<EOF
# This file was generated by the cups package. You may change it, or
# reconfigure this file with dpkg-reconfigure. If it is removed, it
# will be regenerated by the package scripts.
application/octet-stream application/vnd.cups-raw 0 -
EOF
fi
# Set up raw printing of application/octet-stream if desired.
db_fget cupsys/raw-print changed
if [ "$RET" = "true" ]; then
mv /etc/cups/raw.convs /etc/cups/raw.convs-convert
db_get cupsys/raw-print
if [ "$RET" = "true" ]; then
sed 's/^\s*#\s*application/application/' \
< /etc/cups/raw.convs-convert > /etc/cups/raw.convs
else
sed 's/^application/#application/' \
< /etc/cups/raw.convs-convert > /etc/cups/raw.convs
fi
rm -f /etc/cups/raw.convs-convert
db_fset cupsys/raw-print changed false
fi
# Set up backends
db_get cupsys/backend && SELECTED=$RET
# We remove the scsi backend from the output as it got removed in CUPS 1.5.0
# We also remove the IPP backends as they are statically in cups-daemon now
list=`echo $SELECTED | sed -e 's/, /,/g' | sed -e 's/scsi,*\b//g' | sed -e 's/ipp,*\b//g' | sed -e 's/ipps,*\b//g' | sed -e 's/ipp14,*\b//g' | sed -e 's/parallel,*\b//g' | sed -e 's/serial,*\b//g'`
save_IFS=$IFS
IFS=,
(cd /usr/lib/cups/backend && rm -f lpd socket usb snmp dnssd mdns)
for module in $list; do
ln /usr/lib/cups/backend-available/$module /usr/lib/cups/backend/$module
if [ "$module" = "dnssd" ]; then
ln /usr/lib/cups/backend/dnssd /usr/lib/cups/backend/mdns
fi
done
IFS=$save_IFS
# activate new backends on upgrades
db_fset cupsys/backend changed false
# Resync Debconf database with real state
list=`( cd /usr/lib/cups/backend && for f in lpd socket usb snmp dnssd; do [ -e $f ] && echo -n "$f, "; done ) | sed -e 's/, $//'`
db_set cupsys/backend $list;
fi
# ppd_updater is supposed to be launched only with a running CUPS.
ppd_updater () {
driverregexp="$1"
gennicknameregexp="$2"
[ ! -z "$gennicknameregexp" ] && \
gennicknameregexp="; $gennicknameregexp"
gennicknameregexp='s/\s*\(recommended\)//'"$gennicknameregexp"
tmpfile1=`mktemp -t updateppds.XXXXXX`
tempfiles="$tempfiles $tmpfile1"
grep -E $driverregexp $tmpfile0 > $tmpfile1 || :
cd /etc/cups/ppd
for ppd in *.ppd; do
[ -r "$ppd" ] || continue
queue=${ppd%.ppd}
lpstat -h /run/cups/cups.sock -p "$queue" >/dev/null 2>&1 || continue
nickname=`grep '\*NickName:' "$ppd" | cut -d '"' -f 2 | perl -p -e 's/\n$//' | perl -p -e "$gennicknameregexp" | perl -p -e 's/(\W)/\\\\$1/g'`
lang=`grep '\*LanguageVersion:' "$ppd" | cut -d ' ' -f 2 | perl -e 'print lc(<>)' | perl -p -e 's/[\r\n]//gs'`
ppdfound="0"
englishppduri=""
tmpfile2=`mktemp -t updateppds.XXXXXX`
tempfiles="$tempfiles $tmpfile2"
cat $tmpfile1 | perl -p -e "$gennicknameregexp; s/\n*$/\n/s" | grep -E '^\S+\s+.*'"$nickname"'$' | cut -d ' ' -f 1 > $tmpfile2
while read newppduri; do
[ "$ppdfound" = "0" ] && lpadmin -h /run/cups/cups.sock -p "$queue" -m $newppduri 2>/dev/null || continue
newlang=`grep '\*LanguageVersion:' "$ppd" | cut -d ' ' -f 2 | perl -e 'print lc(<>)' | perl -p -e 's/[\r\n]//gs'`
[ "$newlang" = "$lang" ] && ppdfound="1"
[ "$newlang" = "english" ] && englishppduri="$newppduri"
done < $tmpfile2
[ "$ppdfound" = "0" ] && [ ! -z "$englishppduri" ] && lpadmin -h /run/cups/cups.sock -p "$queue" -m $englishppduri 2>/dev/null && ppdfound="1"
[ "$ppdfound" = "1" ] && echo PPD for printer $queue updated >&2
done
return 0
}
# Do the following only if CUPS is running and the needed CUPS tools
# are available
if which lpstat > /dev/null 2>&1 && \
which lpinfo > /dev/null 2>&1 && \
which lpadmin > /dev/null 2>&1 && \
LC_ALL=C lpstat -h /run/cups/cups.sock -r | grep -v not > /dev/null 2>&1; then
tempfiles=
trap 'rm -f $tempfiles; exit 0' 0 HUP INT QUIT ILL ABRT PIPE TERM
tmpfile0=`mktemp -t updateppds.XXXXXX`
tempfiles="$tempfiles $tmpfile0"
lpinfo -h /run/cups/cups.sock -m > $tmpfile0
if [ "$1" = configure ] ; then
# Update CUPS included drivers' queues
echo "Updating PPD files for cups ..."
ppd_updater 'lsb/usr/cups-included/|drv:///sample.drv/' 's/,\s*\d+\.\d+[\d\.]*$//i'
fi
if [ "$1" = triggered ] || [ "$1" = configure ] ; then
# Update external drivers' queues.
#
# We log the modification dates of the file in
# /usr/share/cups/ppd-updaters/* after updating the PPDs
# according to them. These dates are more or less the creation
# dates of the driver packages. Then we only update the PPDs of
# packages, where the /usr/share/cups/ppd-updaters/* file has a
# modification date different to the logged date as this means
# that a fresh /usr/share/cups/ppd-updaters/* file and
# therefore a fresh package got installed. This avoids updating
# of PPDs when the corresponding package was not changed.
logfile=/var/cache/cups/ppd-updates
touch $logfile
for driverfile in `ls /usr/share/cups/ppd-updaters`; do
driver=`echo $driverfile | perl -p -e 's/\.ppd-updater$//' | perl -p -e 's/^printer-driver-//'`
modtime=`ls -l --time-style=+%s /usr/share/cups/ppd-updaters/$driverfile | perl -p -e 's/^\s*\S+\s+\S+\s+\S+\s+\S+\s+\S+\s+(\S+)\s+(\S+)\s*$/$1\n/'`
oldmodtime=`cat $logfile | grep " $driver$" | cut -d ' ' -f 1`
if [ "$modtime" != "$oldmodtime" ]; then
echo "Updating PPD files for $driver ..."
. /usr/share/cups/ppd-updaters/${driverfile}
ppd_updater "${DRIVER_REGEXP}" "${GENNICKNAME_REGEXP}"
cat $logfile | grep -v " $driver$" > $logfile.new || touch $logfile.new
echo "$modtime $driver" >> $logfile.new
mv $logfile.new $logfile
fi
done
fi
fi
db_stop
exit 0
Mini Shell