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Fix resolv.conf detection

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Some systems have other DNS servers along with 127.0.0.53 in /etc/resolv.conf
This commit is contained in:
Nyr 2022-08-21 20:33:34 +02:00
parent 1a118b72f8
commit d28c8e74e7
1 changed files with 4 additions and 4 deletions
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8
openvpn-install.sh
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@ -290,13 +290,13 @@ server 10.8.0.0 255.255.255.0" > /etc/openvpn/server/server.conf
1|"")
# Locate the proper resolv.conf
# Needed for systems running systemd-resolved
if grep -q '^nameserver 127.0.0.53' "/etc/resolv.conf"; then
resolv_conf="/run/systemd/resolve/resolv.conf"
else
if grep '^nameserver' "/etc/resolv.conf" | grep -qv '127.0.0.53' ; then
resolv_conf="/etc/resolv.conf"
else
resolv_conf="/run/systemd/resolve/resolv.conf"
fi
# Obtain the resolvers from resolv.conf and use them for OpenVPN
grep -v '^#\|^;' "$resolv_conf" | grep '^nameserver' | grep -oE '[0-9]{1,3}(\.[0-9]{1,3}){3}' | while read line; do
grep -v '^#\|^;' "$resolv_conf" | grep '^nameserver' | grep -v '127.0.0.53' | grep -oE '[0-9]{1,3}(\.[0-9]{1,3}){3}' | while read line; do
echo "push \"dhcp-option DNS $line\"" >> /etc/openvpn/server/server.conf
done
;;