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#!/bin/bash
setupVars=/etc/pihole/setupVars.conf
# official pihole basic-install.sh code here
getIPv4stuff()
{
IPv4dev=$(ip route get 8.8.8.8 | awk '{for(i=1;i<=NF;i++)if($i~/dev/)print $(i+1)}')
IPv4_address=$(ip -o -f inet addr show dev "$IPv4dev" | awk '{print $4}' | awk 'END {print}')
}
# official pihole basic-install.sh code here
getIPv6stuff()
{
if [ -e /proc/net/if_inet6 ]; then
IPv6_address=$(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
rm ${setupVars}
fi
{
echo "PIHOLE_INTERFACE=${IPv4dev}"
echo "IPV4_ADDRESS=${IPv4_address}"
echo "IPV6_ADDRESS=${IPv6_address}"
}>> "${setupVars}"
}
getIPv4stuff
getIPv6stuff
finalExports
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