configs/arch-config/scripts/pieces/wireguard-allowed.sh

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#!/usr/bin/env bash
set -euo pipefail
if [ $# -eq 0 ]; then
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echo "Please supply one zipfile"
exit 1
echo "$?"
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
echo "Patching $file"
endpointIP="$(grep "Endpoint =" "$file" | grep -Eo "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}")"
echo "Calculating AllowedIPs"
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allowedIPs="$(~/GitProjects/configs/arch-config/scripts/pieces/ipexclude.py -e "$endpointIP" -e 172.16.0.0/12 -e 162.55.10.16/32)"
echo "Replacing AllowedIPs"
# delimiter @ is used instead of /
sed -i "s@AllowedIPs = 0.0.0.0/0,::0/0@AllowedIPs = $allowedIPs@g" "$file"
echo "Removing DNS"
sed -i 's/DNS = 10.64.0.1//g' "$file"
echo "Finished $file"
done
zip -r -9 "$patched" "vpnconfigs"
rm -rf "$extract"