Docs/BashScripts/add-openvpn-client.sh
2025-03-19 14:03:04 +01:00

59 lines
1.1 KiB
Bash

# Make sure script is ran as root
if [[ $EUID -ne 0 ]]; then
exec sudo /bin/bash "$0" "$@"
fi
DIR=$(pwd)
for i in {1..255}; do
CLIENT_NAME="client$i"
if [ ! -f "/etc/openvpn/easy-rsa/pki/issued/$CLIENT_NAME.crt" ]; then
break
fi
done
read -e -p "Enter client name: " -i "$CLIENT_NAME" CLIENT_NAME
if [ -f "/etc/openvpn/easy-rsa/pki/issued/$CLIENT_NAME.crt" ]; then
echo Client $CLIENT_NAME already exists...
exit 1
fi
cd /etc/openvpn/easy-rsa
./easyrsa gen-req $CLIENT_NAME nopass
./easyrsa sign-req client $CLIENT_NAME
CA_CERT=$(cat "/etc/openvpn/ca.crt")
CLIENT_CERT=$(cat "/etc/openvpn/easy-rsa/pki/issued/$CLIENT_NAME.crt")
CLIENT_KEY=$(cat "/etc/openvpn/easy-rsa/pki/private/$CLIENT_NAME.key")
TA_KEY=$(cat "/etc/openvpn/ta.key")
cd "$DIR"
cat > $CLIENT_NAME.conf <<EOL
dev tun
persist-tun
persist-key
cipher AES-256-CBC
ncp-ciphers AES-256-GCM:AES-128-GCM
auth SHA1
# tls-client
client
resolv-retry infinite
remote home.myspace.nu 1294 udp
# remote-cert-tls server
float
verb 3
<ca>
$CA_CERT
</ca>
<cert>
$CLIENT_CERT
</cert>
<key>
$CLIENT_KEY
</key>
key-direction 1
<tls-auth>
$TA_KEY
</tls-auth>
EOL