configs/arch-config/scripts/pieces/wireguard-lan-routes.sh
2022-07-20 09:22:59 +02:00

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#!/usr/bin/env bash
set -euo pipefail
if [ $# -eq 0 ]; then
echo "Please supply one file"
$(exit 1); echo "$?"
elif [ $# -ge 2 ]; then
echo "Please only give one argument"
$(exit 1); echo "$?"
fi
cd "$HOME"
file="$1"
parent="$(dirname "$file")"
extract="${parent}/vpnconfigs"
patched="${file%.*}-patched.zip"
cd "$parent"
mkdir -p "${parent}/vpnconfigs"
unzip "$file" -d "$extract"
readarray -d '' conffiles < <(find "$extract" -name "*\.conf" -print0)
for file in "${conffiles[@]}"; do
if grep "PostUp" "$file" &>/dev/null; then
echo "Skipping $file"
else
echo "Patching $file"
# NOTE route while being connected into my lan
awk 'NR==5{print "PostUp = ip route add 192.168.1.0/24 via 172.16.7.1 metric 10"}NR==5{print "PreDown = ip route del 192.168.1.0/24"}1' "$file" > "${file}.tmp"
mv "${file}.tmp" "$file"
# hetzner net
awk 'NR==5{print "PostUp = ip route add 172.18.50.0/24 via 172.16.7.1 metric 10"}NR==5{print "PreDown = ip route del 172.18.50.0/24"}1' "$file" > "${file}.tmp"
mv "${file}.tmp" "$file"
# lan1dmz net
awk 'NR==5{print "PostUp = ip route add 172.16.11.0/24 via 172.16.7.1 metric 10"}NR==5{print "PreDown = ip route del 172.16.11.0/24"}1' "$file" > "${file}.tmp"
mv "${file}.tmp" "$file"
# NOTE only one PreDown line is required as we are using a specific table for this
# TODO tables do not work as intended
#awk 'NR==5{print "PostUp = ip route add 192.168.1.0/24 via 192.168.86.1 metric 10 table 7"}NR==5{print "PreDown = ip route flush table 7"}1' "$file" > "${file}.tmp"
# NOTE adds a dns to all configs
#awk 'NR==4{print "DNS = 172.16.16.5"}1' "$file" > "${file}.tmp"
#mv "${file}.tmp" "$file"
# NOTE adds a dns to all configs
#awk 'NR==5{print "DNS = 172.16.52.5"}1' "$file" > "${file}.tmp"
#mv "${file}.tmp" "$file"
# NOTE adds a dns to all configs
#awk 'NR==6{print "DNS = 172.16.16.1"}1' "$file" > "${file}.tmp"
#mv "${file}.tmp" "$file"
# wifi
#awk 'NR==6{print "PostUp = ip route add 192.168.1.0/24 via 172.16.52.1 metric 20 table 7"}1' "$file" > "${file}.tmp"
#mv "${file}.tmp" "$file"
fi
done
zip -r -9 "$patched" "vpnconfigs"
rm -rf "$extract"