Refactoring update (#286)
This commit is contained in:
randomshell
Stanislas
parent
3f377de681
commit
76c2d33738
1 changed files with 250 additions and 135 deletions
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@ -39,6 +39,7 @@ function checkOS () {
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echo "However, if you're using Debian unstable/testing, or Ubuntu beta,"
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echo "then you can continue, a recent version of OpenVPN is available on these."
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echo "Keep in mind they are not supported, though."
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while [[ $CONTINUE != "y" && $CONTINUE != "n" ]]; do
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read -rp "Continue ? [y/n]: " -e local CONTINUE
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done
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@ -70,6 +71,7 @@ function initialCheck () {
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echo "Sorry, you need to run this as root"
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exit 1
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fi
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if ! tunAvailable; then
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echo "TUN is not available"
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exit 1
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@ -83,15 +85,16 @@ function getNIC () {
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}
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function installEasyRsa () {
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wget -O ~/EasyRSA-3.0.4.tgz https://github.com/OpenVPN/easy-rsa/releases/download/v3.0.4/EasyRSA-3.0.4.tgz
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tar xzf ~/EasyRSA-3.0.4.tgz -C ~/
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mv ~/EasyRSA-3.0.4/ /etc/openvpn/
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mv /etc/openvpn/EasyRSA-3.0.4/ /etc/openvpn/easy-rsa/
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local version='3.0.4'
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wget -O ~/EasyRSA-$version.tgz https://github.com/OpenVPN/easy-rsa/releases/download/v$version/EasyRSA-$version.tgz
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tar xzf ~/EasyRSA-$version.tgz -C ~/
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mv ~/EasyRSA-$version/ /etc/openvpn/
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mv /etc/openvpn/EasyRSA-$version/ /etc/openvpn/easy-rsa/
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chown -R root:root /etc/openvpn/easy-rsa/
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rm -f ~/EasyRSA-3.0.4.tgz
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rm -f ~/EasyRSA-$version.tgz
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}
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function newclient () {
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function newClient () {
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echo ""
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echo "Do you want to protect the configuration file with a password?"
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echo "(e.g. encrypt the private key with a password)"
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@ -129,6 +132,7 @@ function newclient () {
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else # if not SUDO_USER, use /root
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homeDir="/root"
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fi
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# Generates the custom client.ovpn
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cp /etc/openvpn/client-template.txt "$homeDir/$client.ovpn"
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{
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@ -155,6 +159,108 @@ function newclient () {
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exit
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}
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function revokeClient () {
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NUMBEROFCLIENTS=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep -c "^V")
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if [[ "$NUMBEROFCLIENTS" = '0' ]]; then
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echo ""
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echo "You have no existing clients!"
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exit 5
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fi
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echo ""
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echo "Select the existing client certificate you want to revoke"
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tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | nl -s ') '
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if [[ "$NUMBEROFCLIENTS" = '1' ]]; then
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read -rp "Select one client [1]: " CLIENTNUMBER
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else
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read -rp "Select one client [1-$NUMBEROFCLIENTS]: " CLIENTNUMBER
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fi
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CLIENT=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | sed -n "$CLIENTNUMBER"p)
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cd /etc/openvpn/easy-rsa/ || return
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./easyrsa --batch revoke $CLIENT
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EASYRSA_CRL_DAYS=3650 ./easyrsa gen-crl
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rm -f pki/reqs/$CLIENT.req
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rm -f pki/private/$CLIENT.key
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rm -f pki/issued/$CLIENT.crt
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rm -f /etc/openvpn/crl.pem
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cp /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn/crl.pem
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chmod 644 /etc/openvpn/crl.pem
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rm -f $(find /home -maxdepth 2 | grep $CLIENT.ovpn) 2>/dev/null
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rm -f /root/$CLIENT.ovpn 2>/dev/null
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echo ""
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echo "Certificate for client $CLIENT revoked"
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echo "Exiting..."
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exit
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}
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function removeOpenVPN () {
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echo ""
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read -rp "Do you really want to remove OpenVPN? [y/n]: " -e -i n REMOVE
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if [[ "$REMOVE" = 'y' ]]; then
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PORT=$(grep '^port ' /etc/openvpn/server.conf | cut -d " " -f 2)
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if pgrep firewalld; then
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# Using both permanent and not permanent rules to avoid a firewalld reload.
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firewall-cmd --zone=public --remove-port=$PORT/udp
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firewall-cmd --zone=trusted --remove-source=10.8.0.0/24
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firewall-cmd --permanent --zone=public --remove-port=$PORT/udp
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firewall-cmd --permanent --zone=trusted --remove-source=10.8.0.0/24
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fi
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if iptables -L -n | grep -qE 'REJECT|DROP'; then
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if [[ "$PROTOCOL" = 'udp' ]]; then
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iptables -D INPUT -p udp --dport $PORT -j ACCEPT
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else
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iptables -D INPUT -p tcp --dport $PORT -j ACCEPT
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fi
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iptables -D FORWARD -s 10.8.0.0/24 -j ACCEPT
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iptables-save > $IPTABLES
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fi
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iptables -t nat -D POSTROUTING -o $NIC -s 10.8.0.0/24 -j MASQUERADE
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iptables-save > $IPTABLES
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if hash sestatus 2>/dev/null; then
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if sestatus | grep "Current mode" | grep -qs "enforcing"; then
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if [[ "$PORT" != '1194' ]]; then
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semanage port -d -t openvpn_port_t -p udp $PORT
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fi
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fi
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fi
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if [[ "$OS" = 'debian' ]]; then
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apt-get autoremove --purge -y openvpn
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elif [[ "$OS" = 'arch' ]]; then
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pacman -R openvpn --noconfirm
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else
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yum remove openvpn -y
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fi
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# Remove generated ovpn profiles from home directory
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OVPNS=$(ls /etc/openvpn/easy-rsa/pki/issued | awk -F "." {'print $1'})
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for ovpn in $OVPNS
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do
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rm $(find /home -maxdepth 2 | grep $ovpn.ovpn) 2>/dev/null
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rm /root/$ovpn.ovpn 2>/dev/null
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done
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rm -rf /etc/openvpn
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rm -rf /usr/share/doc/openvpn*
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echo ""
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echo "OpenVPN removed!"
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else
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echo ""
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echo "Removal aborted!"
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fi
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exit
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}
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##########################################
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############### MAIN ###############
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##########################################
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@ -183,98 +289,23 @@ if [[ -e /etc/openvpn/server.conf ]]; then
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case $option in
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1)
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# Generates the custom client.ovpn
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newclient
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newClient
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;;
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2)
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NUMBEROFCLIENTS=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep -c "^V")
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if [[ "$NUMBEROFCLIENTS" = '0' ]]; then
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echo ""
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echo "You have no existing clients!"
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exit 5
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fi
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# Revokes existing certificate
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revokeClient
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echo ""
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echo "Select the existing client certificate you want to revoke"
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tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | nl -s ') '
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if [[ "$NUMBEROFCLIENTS" = '1' ]]; then
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read -rp "Select one client [1]: " CLIENTNUMBER
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else
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read -rp "Select one client [1-$NUMBEROFCLIENTS]: " CLIENTNUMBER
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fi
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CLIENT=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | sed -n "$CLIENTNUMBER"p)
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cd /etc/openvpn/easy-rsa/ || return
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./easyrsa --batch revoke $CLIENT
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EASYRSA_CRL_DAYS=3650 ./easyrsa gen-crl
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rm -f pki/reqs/$CLIENT.req
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rm -f pki/private/$CLIENT.key
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rm -f pki/issued/$CLIENT.crt
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rm -f /etc/openvpn/crl.pem
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cp /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn/crl.pem
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chmod 644 /etc/openvpn/crl.pem
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rm -f $(find /home -maxdepth 2 | grep $CLIENT.ovpn) 2>/dev/null
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rm -f /root/$CLIENT.ovpn 2>/dev/null
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echo ""
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echo "Certificate for client $CLIENT revoked"
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echo "Exiting..."
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exit
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;;
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3)
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echo ""
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read -rp "Do you really want to remove OpenVPN? [y/n]: " -e -i n REMOVE
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if [[ "$REMOVE" = 'y' ]]; then
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PORT=$(grep '^port ' /etc/openvpn/server.conf | cut -d " " -f 2)
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if pgrep firewalld; then
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# Using both permanent and not permanent rules to avoid a firewalld reload.
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firewall-cmd --zone=public --remove-port=$PORT/udp
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firewall-cmd --zone=trusted --remove-source=10.8.0.0/24
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firewall-cmd --permanent --zone=public --remove-port=$PORT/udp
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firewall-cmd --permanent --zone=trusted --remove-source=10.8.0.0/24
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fi
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if iptables -L -n | grep -qE 'REJECT|DROP'; then
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if [[ "$PROTOCOL" = 'udp' ]]; then
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iptables -D INPUT -p udp --dport $PORT -j ACCEPT
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else
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iptables -D INPUT -p tcp --dport $PORT -j ACCEPT
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fi
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iptables -D FORWARD -s 10.8.0.0/24 -j ACCEPT
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iptables-save > $IPTABLES
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fi
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iptables -t nat -D POSTROUTING -o $NIC -s 10.8.0.0/24 -j MASQUERADE
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iptables-save > $IPTABLES
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if hash sestatus 2>/dev/null; then
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if sestatus | grep "Current mode" | grep -qs "enforcing"; then
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if [[ "$PORT" != '1194' ]]; then
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semanage port -d -t openvpn_port_t -p udp $PORT
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fi
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fi
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fi
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if [[ "$OS" = 'debian' ]]; then
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apt-get autoremove --purge -y openvpn
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elif [[ "$OS" = 'arch' ]]; then
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pacman -R openvpn --noconfirm
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else
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yum remove openvpn -y
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fi
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OVPNS=$(ls /etc/openvpn/easy-rsa/pki/issued | awk -F "." {'print $1'})
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for i in $OVPNS
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do
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rm $(find /home -maxdepth 2 | grep $i.ovpn) 2>/dev/null
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rm /root/$i.ovpn 2>/dev/null
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done
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rm -rf /etc/openvpn
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rm -rf /usr/share/doc/openvpn*
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echo ""
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echo "OpenVPN removed!"
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else
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echo ""
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echo "Removal aborted!"
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fi
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exit
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# Remove OpenVPN
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removeOpenVPN
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;;
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4)
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exit
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;;
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4) exit;;
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esac
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done
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else
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@ -298,22 +329,27 @@ else
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echo " 1) Default: 1194"
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echo " 2) Custom"
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echo " 3) Random [49152-65535]"
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until [[ "$PORT_CHOICE" =~ ^[1-3]$ ]]; do
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read -p "Port choice [1-3]: " -e -i 1 PORT_CHOICE
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done
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case $PORT_CHOICE in
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1)
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PORT="1194"
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;;
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2)
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until [[ "$PORT" =~ ^[0-9]+$ ]] && [ "$PORT" -ge 1 -a "$PORT" -le 65535 ]; do
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read -p "Custom port [1-65535]: " -e -i 1194 PORT
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done
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;;
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3)
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# Generate random number within private ports range
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PORT=$(shuf -i49152-65535 -n1)
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echo "Random Port: $PORT"
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;;
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esac
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@ -323,12 +359,15 @@ else
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echo "This server is behind NAT. What is the public IPv4 address or hostname?"
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read -rp "Public IP address / hostname: " -e PUBLICIP
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fi
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echo ""
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echo "What protocol do you want for OpenVPN?"
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echo "Unless UDP is blocked, you should not use TCP (unnecessarily slower)"
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until [[ "$PROTOCOL" == "UDP" || "$PROTOCOL" == "TCP" ]]; do
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read -rp "Protocol [UDP/TCP]: " -e -i UDP PROTOCOL
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done
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echo ""
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echo "What DNS do you want to use with the VPN?"
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echo " 1) Current system resolvers (from /etc/resolv.conf)"
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@ -340,9 +379,11 @@ else
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echo " 7) Google (Anycast: worldwide)"
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echo " 8) Yandex Basic (Russia)"
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echo " 9) AdGuard DNS (Russia)"
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until [[ "$DNS" =~ ^[0-9]+$ ]] && [ "$DNS" -ge 1 -a "$DNS" -le 9 ]; do
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read -rp "DNS [1-9]: " -e -i 1 DNS
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done
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echo ""
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echo "See https://github.com/Angristan/OpenVPN-install#encryption to learn more about "
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echo "the encryption in OpenVPN and the choices I made in this script."
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@ -359,90 +400,117 @@ else
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echo " 5) CAMELLIA-192-CBC"
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echo " 6) CAMELLIA-256-CBC"
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echo " 7) SEED-CBC"
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until [[ "$CIPHER" =~ ^[0-9]+$ ]] && [ "$CIPHER" -ge 1 -a "$CIPHER" -le 7 ]; do
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read -rp "Cipher [1-7]: " -e -i 1 CIPHER
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done
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case $CIPHER in
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1)
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CIPHER="cipher AES-128-CBC"
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;;
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2)
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CIPHER="cipher AES-192-CBC"
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;;
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3)
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CIPHER="cipher AES-256-CBC"
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;;
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4)
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CIPHER="cipher CAMELLIA-128-CBC"
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;;
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5)
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CIPHER="cipher CAMELLIA-192-CBC"
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;;
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6)
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CIPHER="cipher CAMELLIA-256-CBC"
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;;
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7)
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CIPHER="cipher SEED-CBC"
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;;
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esac
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echo ""
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echo "Choose what size of Diffie-Hellman key you want to use:"
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echo " 1) 2048 bits (fastest)"
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echo " 2) 3072 bits (recommended, best compromise)"
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echo " 3) 4096 bits (most secure)"
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until [[ "$DH_KEY_SIZE" =~ ^[0-9]+$ ]] && [ "$DH_KEY_SIZE" -ge 1 -a "$DH_KEY_SIZE" -le 3 ]; do
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read -rp "DH key size [1-3]: " -e -i 2 DH_KEY_SIZE
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done
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case $DH_KEY_SIZE in
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1)
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DH_KEY_SIZE="2048"
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;;
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2)
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DH_KEY_SIZE="3072"
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;;
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3)
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DH_KEY_SIZE="4096"
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;;
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esac
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echo ""
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echo "Choose what size of RSA key you want to use:"
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echo " 1) 2048 bits (fastest)"
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echo " 2) 3072 bits (recommended, best compromise)"
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echo " 3) 4096 bits (most secure)"
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until [[ "$RSA_KEY_SIZE" =~ ^[0-9]+$ ]] && [ "$RSA_KEY_SIZE" -ge 1 -a "$RSA_KEY_SIZE" -le 3 ]; do
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read -rp "RSA key size [1-3]: " -e -i 2 RSA_KEY_SIZE
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done
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case $RSA_KEY_SIZE in
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1)
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RSA_KEY_SIZE="2048"
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;;
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2)
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RSA_KEY_SIZE="3072"
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;;
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3)
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RSA_KEY_SIZE="4096"
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;;
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esac
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echo ""
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echo "Do you want to protect the configuration file with a password?"
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echo "(e.g. encrypt the private key with a password)"
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echo " 1) Add a passwordless client"
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echo " 2) Use a password for the client"
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until [[ "$pass" =~ ^[1-2]$ ]]; do
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read -rp "Select an option [1-2]: " -e -i 1 pass
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done
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echo ""
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echo "Finally, tell me a name for the client certificate and configuration"
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echo "Use one word only, no special characters"
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until [[ "$CLIENT" =~ ^[a-zA-Z0-9_]+$ ]]; do
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read -rp "Client name: " -e -i client CLIENT
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done
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echo ""
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echo "Okay, that was all I needed. We are ready to setup your OpenVPN server now"
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read -n1 -r -p "Press any key to continue..."
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if [[ "$OS" = 'debian' ]]; then
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apt-get install ca-certificates gnupg -y
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# We add the OpenVPN repo to get the latest version.
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# Debian 7
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if [[ "$VERSION_ID" = 'VERSION_ID="7"' ]]; then
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@ -450,25 +518,31 @@ else
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wget -O - https://swupdate.openvpn.net/repos/repo-public.gpg | apt-key add -
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apt-get update
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fi
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# Debian 8
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if [[ "$VERSION_ID" = 'VERSION_ID="8"' ]]; then
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echo "deb http://build.openvpn.net/debian/openvpn/stable jessie main" > /etc/apt/sources.list.d/openvpn.list
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wget -O - https://swupdate.openvpn.net/repos/repo-public.gpg | apt-key add -
|
||||
apt update
|
||||
fi
|
||||
|
||||
# Ubuntu 14.04
|
||||
if [[ "$VERSION_ID" = 'VERSION_ID="14.04"' ]]; then
|
||||
echo "deb http://build.openvpn.net/debian/openvpn/stable trusty main" > /etc/apt/sources.list.d/openvpn.list
|
||||
wget -O - https://swupdate.openvpn.net/repos/repo-public.gpg | apt-key add -
|
||||
apt-get update
|
||||
fi
|
||||
|
||||
# Ubuntu >= 16.04 and Debian > 8 have OpenVPN > 2.3.3 without the need of a third party repository.
|
||||
# The we install OpenVPN
|
||||
|
||||
# Then we install OpenVPN
|
||||
apt-get install openvpn iptables openssl wget ca-certificates curl -y
|
||||
|
||||
# Install iptables service
|
||||
if [[ ! -e /etc/systemd/system/iptables.service ]]; then
|
||||
mkdir /etc/iptables
|
||||
iptables-save > /etc/iptables/iptables.rules
|
||||
|
||||
echo "#!/bin/sh
|
||||
iptables -F
|
||||
iptables -X
|
||||
|
|
@ -479,7 +553,9 @@ iptables -t mangle -X
|
|||
iptables -P INPUT ACCEPT
|
||||
iptables -P FORWARD ACCEPT
|
||||
iptables -P OUTPUT ACCEPT" > /etc/iptables/flush-iptables.sh
|
||||
|
||||
chmod +x /etc/iptables/flush-iptables.sh
|
||||
|
||||
echo "[Unit]
|
||||
Description=Packet Filtering Framework
|
||||
DefaultDependencies=no
|
||||
|
|
@ -493,18 +569,23 @@ ExecStop=/etc/iptables/flush-iptables.sh
|
|||
RemainAfterExit=yes
|
||||
[Install]
|
||||
WantedBy=multi-user.target" > /etc/systemd/system/iptables.service
|
||||
|
||||
systemctl daemon-reload
|
||||
systemctl enable iptables.service
|
||||
fi
|
||||
elif [[ "$OS" = 'centos' || "$OS" = 'fedora' ]]; then
|
||||
|
||||
if [[ "$OS" = 'centos' ]]; then
|
||||
yum install epel-release -y
|
||||
fi
|
||||
|
||||
yum install openvpn iptables openssl wget ca-certificates curl -y
|
||||
|
||||
# Install iptables service
|
||||
if [[ ! -e /etc/systemd/system/iptables.service ]]; then
|
||||
mkdir /etc/iptables
|
||||
iptables-save > /etc/iptables/iptables.rules
|
||||
|
||||
echo "#!/bin/sh
|
||||
iptables -F
|
||||
iptables -X
|
||||
|
|
@ -515,7 +596,9 @@ iptables -t mangle -X
|
|||
iptables -P INPUT ACCEPT
|
||||
iptables -P FORWARD ACCEPT
|
||||
iptables -P OUTPUT ACCEPT" > /etc/iptables/flush-iptables.sh
|
||||
|
||||
chmod +x /etc/iptables/flush-iptables.sh
|
||||
|
||||
echo "[Unit]
|
||||
Description=Packet Filtering Framework
|
||||
DefaultDependencies=no
|
||||
|
|
@ -529,8 +612,10 @@ ExecStop=/etc/iptables/flush-iptables.sh
|
|||
RemainAfterExit=yes
|
||||
[Install]
|
||||
WantedBy=multi-user.target" > /etc/systemd/system/iptables.service
|
||||
|
||||
systemctl daemon-reload
|
||||
systemctl enable iptables.service
|
||||
|
||||
# Disable firewalld to allow iptables to start upon reboot
|
||||
systemctl disable firewalld
|
||||
systemctl mask firewalld
|
||||
|
|
@ -543,9 +628,11 @@ WantedBy=multi-user.target" > /etc/systemd/system/iptables.service
|
|||
echo "Not doing that could cause problems between dependencies, or missing files in repositories."
|
||||
echo ""
|
||||
echo "Continuing will update your installed packages and install needed ones."
|
||||
|
||||
until [[ $CONTINUE == "y" || $CONTINUE == "n" ]]; do
|
||||
read -rp "Continue ? [y/n]: " -e -i y CONTINUE
|
||||
done
|
||||
|
||||
if [[ "$CONTINUE" = "n" ]]; then
|
||||
echo "Ok, bye !"
|
||||
exit 4
|
||||
|
|
@ -555,11 +642,13 @@ WantedBy=multi-user.target" > /etc/systemd/system/iptables.service
|
|||
# Install dependencies
|
||||
pacman -Syu openvpn iptables openssl wget ca-certificates curl --needed --noconfirm
|
||||
iptables-save > /etc/iptables/iptables.rules # iptables won't start if this file does not exist
|
||||
|
||||
systemctl daemon-reload
|
||||
systemctl enable iptables
|
||||
systemctl start iptables
|
||||
fi
|
||||
fi
|
||||
|
||||
# Find out if the machine uses nogroup or nobody for the permissionless group
|
||||
if grep -qs "^nogroup:" /etc/group; then
|
||||
NOGROUP=nogroup
|
||||
|
|
@ -571,34 +660,44 @@ WantedBy=multi-user.target" > /etc/systemd/system/iptables.service
|
|||
if [[ -d /etc/openvpn/easy-rsa/ ]]; then
|
||||
rm -rf /etc/openvpn/easy-rsa/
|
||||
fi
|
||||
|
||||
# Install easy-rsa
|
||||
installEasyRsa
|
||||
|
||||
cd /etc/openvpn/easy-rsa/ || return
|
||||
|
||||
# Generate a random, alphanumeric identifier of 16 characters for CN and one for server name
|
||||
SERVER_CN="cn_$(tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 16 | head -n 1)"
|
||||
SERVER_NAME="server_$(tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 16 | head -n 1)"
|
||||
echo "set_var EASYRSA_KEY_SIZE $RSA_KEY_SIZE" > vars
|
||||
echo "set_var EASYRSA_REQ_CN $SERVER_CN" >> vars
|
||||
|
||||
# Create the PKI, set up the CA, the DH params and the server + client certificates
|
||||
./easyrsa init-pki
|
||||
./easyrsa --batch build-ca nopass
|
||||
openssl dhparam -out dh.pem $DH_KEY_SIZE
|
||||
./easyrsa build-server-full $SERVER_NAME nopass
|
||||
|
||||
case $pass in
|
||||
1)
|
||||
./easyrsa build-client-full $CLIENT nopass
|
||||
|
||||
;;
|
||||
2)
|
||||
echo "⚠️ You will be asked for the client password below ⚠️"
|
||||
./easyrsa build-client-full $CLIENT
|
||||
|
||||
;;
|
||||
esac
|
||||
|
||||
EASYRSA_CRL_DAYS=3650 ./easyrsa gen-crl
|
||||
|
||||
# generate tls-auth key
|
||||
openvpn --genkey --secret /etc/openvpn/tls-auth.key
|
||||
|
||||
# Move all the generated files
|
||||
cp pki/ca.crt pki/private/ca.key dh.pem pki/issued/$SERVER_NAME.crt pki/private/$SERVER_NAME.key /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn
|
||||
|
||||
# Make cert revocation list readable for non-root
|
||||
chmod 644 /etc/openvpn/crl.pem
|
||||
|
||||
|
|
@ -614,6 +713,7 @@ keepalive 10 120
|
|||
topology subnet
|
||||
server 10.8.0.0 255.255.255.0
|
||||
ifconfig-pool-persist ipp.txt" >> /etc/openvpn/server.conf
|
||||
|
||||
# DNS resolvers
|
||||
case $DNS in
|
||||
1)
|
||||
|
|
@ -624,42 +724,53 @@ ifconfig-pool-persist ipp.txt" >> /etc/openvpn/server.conf
|
|||
else
|
||||
RESOLVCONF='/etc/resolv.conf'
|
||||
fi
|
||||
|
||||
# Obtain the resolvers from resolv.conf and use them for OpenVPN
|
||||
grep -v '#' $RESOLVCONF | grep 'nameserver' | grep -E -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | while read -r line; do
|
||||
grep -v '#' $RESOLVCONF | grep 'nameserver' | grep -E -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' |
|
||||
while read -r line; do
|
||||
echo "push \"dhcp-option DNS $line\"" >> /etc/openvpn/server.conf
|
||||
done
|
||||
|
||||
;;
|
||||
2) # Cloudflare
|
||||
echo 'push "dhcp-option DNS 1.0.0.1"' >> /etc/openvpn/server.conf
|
||||
echo 'push "dhcp-option DNS 1.1.1.1"' >> /etc/openvpn/server.conf
|
||||
|
||||
;;
|
||||
3) # Quad9
|
||||
echo 'push "dhcp-option DNS 9.9.9.9"' >> /etc/openvpn/server.conf
|
||||
echo 'push "dhcp-option DNS 149.112.112.112"' >> /etc/openvpn/server.conf
|
||||
|
||||
;;
|
||||
4) # FDN
|
||||
echo 'push "dhcp-option DNS 80.67.169.40"' >> /etc/openvpn/server.conf
|
||||
echo 'push "dhcp-option DNS 80.67.169.12"' >> /etc/openvpn/server.conf
|
||||
|
||||
;;
|
||||
5) # DNS.WATCH
|
||||
echo 'push "dhcp-option DNS 84.200.69.80"' >> /etc/openvpn/server.conf
|
||||
echo 'push "dhcp-option DNS 84.200.70.40"' >> /etc/openvpn/server.conf
|
||||
|
||||
;;
|
||||
6) # OpenDNS
|
||||
echo 'push "dhcp-option DNS 208.67.222.222"' >> /etc/openvpn/server.conf
|
||||
echo 'push "dhcp-option DNS 208.67.220.220"' >> /etc/openvpn/server.conf
|
||||
|
||||
;;
|
||||
7) # Google
|
||||
echo 'push "dhcp-option DNS 8.8.8.8"' >> /etc/openvpn/server.conf
|
||||
echo 'push "dhcp-option DNS 8.8.4.4"' >> /etc/openvpn/server.conf
|
||||
|
||||
;;
|
||||
8) # Yandex Basic
|
||||
echo 'push "dhcp-option DNS 77.88.8.8"' >> /etc/openvpn/server.conf
|
||||
echo 'push "dhcp-option DNS 77.88.8.1"' >> /etc/openvpn/server.conf
|
||||
|
||||
;;
|
||||
9) # AdGuard DNS
|
||||
echo 'push "dhcp-option DNS 176.103.130.130"' >> /etc/openvpn/server.conf
|
||||
echo 'push "dhcp-option DNS 176.103.130.131"' >> /etc/openvpn/server.conf
|
||||
|
||||
;;
|
||||
esac
|
||||
echo 'push "redirect-gateway def1 bypass-dhcp" ' >> /etc/openvpn/server.conf
|
||||
|
|
@ -723,6 +834,7 @@ verb 3" >> /etc/openvpn/server.conf
|
|||
fi
|
||||
iptables -I FORWARD -s 10.8.0.0/24 -j ACCEPT
|
||||
iptables -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
|
||||
|
||||
# Save persitent OpenVPN rules
|
||||
iptables-save > $IPTABLES
|
||||
fi
|
||||
|
|
@ -735,6 +847,7 @@ verb 3" >> /etc/openvpn/server.conf
|
|||
if ! hash semanage 2>/dev/null; then
|
||||
yum install policycoreutils-python -y
|
||||
fi
|
||||
|
||||
if [[ "$PROTOCOL" = 'UDP' ]]; then
|
||||
semanage port -a -t openvpn_port_t -p udp $PORT
|
||||
elif [[ "$PROTOCOL" = 'TCP' ]]; then
|
||||
|
|
@ -784,11 +897,13 @@ verb 3" >> /etc/openvpn/server.conf
|
|||
|
||||
# client-template.txt is created so we have a template to add further users later
|
||||
echo "client" > /etc/openvpn/client-template.txt
|
||||
|
||||
if [[ "$PROTOCOL" = 'UDP' ]]; then
|
||||
echo "proto udp" >> /etc/openvpn/client-template.txt
|
||||
elif [[ "$PROTOCOL" = 'TCP' ]]; then
|
||||
echo "proto tcp-client" >> /etc/openvpn/client-template.txt
|
||||
fi
|
||||
|
||||
echo "remote $IP $PORT
|
||||
dev tun
|
||||
resolv-retry infinite
|
||||
|
|
@ -807,7 +922,7 @@ setenv opt block-outside-dns
|
|||
verb 3" >> /etc/openvpn/client-template.txt
|
||||
|
||||
# Generate the custom client.ovpn
|
||||
newclient
|
||||
newClient
|
||||
echo "If you want to add more clients, you simply need to run this script another time!"
|
||||
fi
|
||||
exit 0;
|
||||
exit 0
|
||||
|
|
|
|||
Loading…
Reference in a new issue