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#!/bin/ash
# Called with $1=USERNAME $2=PRINTFILE
USER="$1"
FILE="$2"
PRINTERGUI="/opt/openslx/cups/printergui"
errlog () {
FD=0
[ -t 1 ] && FD=1
[ -t 2 ] && FD=2
if [ $FD -ne 0 ]; then
echo "$2" >&$FD
elif [ $# -gt 2 ]; then
slxlog "$1" "$2" "$3"
sleep 1
else
slxlog "$1" "$2"
fi
$PRINTERGUI --error "$2" &
}
if [ $# -ne 2 ]; then
# Bad usage
errlog "printergui-call" "Error: Wrong number of arguments (got $#) ($@)"
exit 1
fi
if [ ! -r "$FILE" ]; then
errlog "printergui-file" "Error: File '$FILE' not readable"
exit 1
fi
if [ ! -s "$FILE" ]; then
errlog "printergui-file" "Error: File '$FILE' is empty"
exit 1
fi
# Some basic error checking if we have ghostscript available
if which gs 2>/dev/null; then
ERRLOG=$(mktemp)
[ -z "$ERRLOG" ] && ERRLOG="/tmp/tmp-$RANDOM-$$-$(whoami)"
gs -sDEVICE=nullpage -dNOPAUSE -dBATCH "$FILE" 2>"$ERRLOG"
RET=$?
if [ $RET -ne 0 ]; then
errlog "printergui-validate" "Error: Ghostscript choked on input file" "$ERRLOG"
rm -f -- "$ERRLOG"
exit 1
fi
rm -f -- "$ERRLOG"
else
errlog "printergui-nogs" "Warning: Cannot validate file prior to printing: gs binary not found"
fi
# Set username prefix if found
. /opt/openslx/config
if [ -n "$SLX_PRINT_USER_PREFIX" ]; then
export PWGUI_USERPREFIX="$SLX_PRINT_USER_PREFIX"
fi
# Try to print
$PRINTERGUI "$USER" "$FILE"
RET=$?
if [ $RET -ne 0 -a $RET -ne 143 ]; then # SIGTERM results in 143, is sent by printpwgui
errlog "printergui-exec" "Error: printergui execution failed with exit code $RET"
fi
sleep 1
rm -f -- "$FILE"
exit $RET
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