AirPrint unter Ubuntu automatisch aktivieren

#!/bin/bash
prnt=`lpstat -p`

echo Checking if you are starting this Script as sudo
if [ `id -u` -eq 0 ];
then
    echo Ok, you have sudo-privs
else
    echo Sorry, please start this script again with sudo ./airprint.sh. Exit.
    exit 0
fi

declare -a ips
ips[0]=0
readdev=(eth0 eth1 eth2 eth3 eth4 eth5 eth6 eth7 eth8 eth9 wlan1 wlan2 wlan3 wlan4 wlan5 wlan6 wlan7 wlan8 wlan9)
for dev in $readdev
do
    ip=`ifconfig $dev | head -n 2 | tail -n 1 | cut -d: -f2 | cut -d" " -f 1`
    #echo Found IP $ip
    if [ $ip != "" ]; then
        ind=${ips[0]}
        ind=$[$ind+1]
        ips[$ind]=$ip
        ips[0]=$ind
    fi
done

amount=${ips[0]}
if [ $amount -eq 0 ]; then
    echo No working network devices found. Exit.
    exit 0
fi
if [ $amount -eq 1 ]; then
    CUPSIP=${ips[1]}
    echo Using the only working network device $CUPSIP
fi
if [ $amount -gt 1 ]; then
    echo Select Network Interface to publish AirPrint
    i=1
    for ip in $ips
    do
        echo $i...${ips[i]}
    done
    read sel
    if [ "${ips[sel]}" = "" ]; then
        echo Invalid Input. Exit.
        exit 0
    fi
    if [ $sel -eq 0 ]; then
        echo Invalid Input. Exit.
        exit 0
    fi
    CUPSIP=${ips[sel]}
fi

echo Activating AirPrint on $CUPSIP
echo ----------------------------------------
echo Making CUPS share printers on network
cupsctl --share-printers
echo ----------------------------------------

declare -a printers
printers[0]=0
index=0
foundprinter=0
for word in $prnt
do
    if [ $foundprinter -eq 1 ]; then
        index=${printers[0]}
        index=$[$index+1]
        #echo Found Printer $word for Index $index
        printers[$index]=$word
        printers[0]=$index
        foundprinter=0
    fi
    if [ "$word" = "printer" ]; then
        foundprinter=1
    fi
done

amount=${printers[0]}
if [ $amount -eq 0 ]; then
    echo No working printer found. Exit.
    exit 0
fi
if [ $amount -eq 1 ]; then
    CUPSPRINTER=${printers[1]}
    echo Using the only working printer $CUPSPRINTER
fi
if [ $amount -gt 1 ]; then
    echo Select Printer
    i=1
    for prnt in $printers
    do
        echo $i...${printers[i]}
    done
    read sel
    if [ "${printers[sel]}" = "" ]; then
        echo Invalid Input. Exit.
        exit 0
    fi
    if [ $sel -eq 0 ]; then
        echo Invalid Input. Exit.
        exit 0
    fi
    CUPSPRINTER=${ips[sel]}
fi

echo Activating AirPrint for $CUPSPRINTER
echo ----------------------------------------

echo Creating printer.service

targ=/etc/avahi/services/printer.service
unlink $targ
echo \<?xml version=“1.0″ standalone=’no’?\>\<!–*-nxml-*–\> >> $targ
echo \<!DOCTYPE service-group SYSTEM „avahi-service.dtd“\>  >> $targ
echo \<service-group\> >> $targ
echo \<name\>$CUPSPRINTER\</name\> >> $targ
echo \<service\> >> $targ
echo \<type\>_ipp._tcp\</type\> >> $targ
echo \<subtype\>_universal._sub._ipp._tcp\</subtype\> >> $targ
echo \<port\>631\</port\> >> $targ
echo \<txt-record\>txtver=1\</txt-record\> >> $targ
echo \<txt-record\>qtotal=1\</txt-record\> >> $targ
echo \<txt-record\>rp=printers/$CUPSPRINTER\</txt-record\> >> $targ
echo \<txt-record\>ty=$CUPSPRINTER\</txt-record\> >> $targ
echo \<txt-record\>adminurl=http://$CUPSIP:631/printers/$CUPSPRINTER\</txt-record\> >> $targ
echo \<txt-record\>note=$CUPSPRINTER\</txt-record\> >> $targ
echo \<txt-record\>priority=0\</txt-record\> >> $targ
echo \<txt-record\>product=virtual Printer\</txt-record\> >> $targ
echo \<txt-record\>printer-state=3\</txt-record\> >> $targ
echo \<txt-record\>printer-type=0×801046\</txt-record\> >> $targ
echo \<txt-record\>Transparent=T\</txt-record\> >> $targ
echo \<txt-record\>Binary=T\</txt-record\> >> $targ
echo \<txt-record\>Fax=F\</txt-record\> >> $targ
echo \<txt-record\>Color=T\</txt-record\> >> $targ
echo \<txt-record\>Duplex=F\</txt-record\> >> $targ
echo \<txt-record\>Staple=F\</txt-record\> >> $targ
echo \<txt-record\>Copies=T\</txt-record\> >> $targ
echo \<txt-record\>Collate=F\</txt-record\> >> $targ
echo \<txt-record\>Punch=F\</txt-record\> >> $targ
echo \<txt-record\>Bind=F\</txt-record\> >> $targ
echo \<txt-record\>Sort=F\</txt-record\> >> $targ
echo \<txt-record\>Scan=F\</txt-record\> >> $targ
echo \<txt-record\>pdl=application/octet-stream,application/pdf,application/postscript,image/jpeg,image/png,image/urf\</txt-record\> >> $targ
echo \<txt-record\>URF=W8,SRGB24,CP1,RS600\</txt-record\> >> $targ
echo \</service\> >> $targ
echo \</service-group\>  >> $targ
echo ----------------------------------------
echo Editing CUPS-Daemon Config

targ=/etc/cups/cupsd.conf
echo ServerAlias * >> $targ
echo Port 631 >> $targ
echo Listen /var/run/cups/cups.sock >> $targ

echo ----------------------------------------
echo Restarting CUPS
service cups restart
echo Finished. Exit.
exit 0