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#!/bin/bash
setupVars=/etc/pihole/setupVars.conf
getDNSs()
{
dnsmasqdns=(`grep server= /etc/pihole/configs/dnsmasq.complete | awk -F "=" '{print $2}'`)
piholeDNS1=${dnsmasqdns[0]}
piholeDNS2=${dnsmasqdns[1]}
}
# official pihole basic-install.sh code here
getIPv4stuff()
{
piholeInterface=$(ip route get 8.8.8.8 | awk '{for(i=1;i<=NF;i++)if($i~/dev/)print $(i+1)}')
piholeIPv4=$(ip -o -f inet addr show dev "$piholeInterface" | awk '{print $4}' | awk 'END {print}')
}
# official pihole basic-install.sh code here
getIPv6stuff()
{
if [ -e /proc/net/if_inet6 ]; then
piholeIPv6=$(ip -6 route get 2001:4860:4860::8888 | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
fi
}
# from official pihole basic-install.sh, almost
finalExports() {
#If it already exists, lets overwrite it with the new values.
if [[ -f ${setupVars} ]];then
${SUDO} rm ${setupVars}
fi
${SUDO} echo "piholeInterface=${piholeInterface}" >> ${setupVars}
${SUDO} echo "IPv4addr=${piholeIPv4}" >> ${setupVars}
${SUDO} echo "piholeIPv4=${piholeIPv4}" >> ${setupVars}
${SUDO} echo "piholeIPv6=${piholeIPv6}" >> ${setupVars}
${SUDO} echo "piholeDNS1=${piholeDNS1}" >> ${setupVars}
${SUDO} echo "piholeDNS2=${piholeDNS2}" >> ${setupVars}
}
getDNSs
getIPv4stuff
getIPv6stuff
finalExports
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