diff --git a/openvpn-install.sh b/openvpn-install.sh
index 4992670..2710fbb 100644
--- a/openvpn-install.sh
+++ b/openvpn-install.sh
@@ -24,10 +24,9 @@ function checkOS () {
VERSION_ID=$(grep "VERSION_ID" /etc/os-release)
if [[ "$VERSION_ID" != 'VERSION_ID="8"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="9"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="16.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="17.10"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="18.04"' ]]; then
echo "Your version of Debian/Ubuntu is not supported."
- echo "I can't install a recent version of OpenVPN on your system."
echo ""
echo "However, if you're using Debian unstable/testing, or Ubuntu beta,"
- echo "then you can continue, a recent version of OpenVPN is available on these."
+ echo "then you can continue."
echo "Keep in mind they are not supported, though."
while [[ $CONTINUE != "y" && $CONTINUE != "n" ]]; do
read -rp "Continue? [y/n]: " -e CONTINUE
@@ -72,93 +71,6 @@ function initialCheck () {
checkOS
}
-function getNIC () {
- return $(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)
-}
-
-function installEasyRsa () {
- # An old version of easy-rsa was available by default in some openvpn packages
- if [[ -d /etc/openvpn/easy-rsa/ ]]; then
- rm -rf /etc/openvpn/easy-rsa/
- fi
-
- local version="3.0.4"
- wget -O ~/EasyRSA-${version}.tgz https://github.com/OpenVPN/easy-rsa/releases/download/v${version}/EasyRSA-${version}.tgz
- tar xzf ~/EasyRSA-${version}.tgz -C ~/
- mv ~/EasyRSA-${version}/ /etc/openvpn/
- mv /etc/openvpn/EasyRSA-${version}/ /etc/openvpn/easy-rsa/
- chown -R root:root /etc/openvpn/easy-rsa/
- rm -f ~/EasyRSA-${version}.tgz
-}
-
-function newClient () {
- echo ""
- echo "Do you want to protect the configuration file with a password?"
- echo "(e.g. encrypt the private key with a password)"
- echo " 1) Add a passwordless client"
- echo " 2) Use a password for the client"
-
- until [[ "$pass" =~ ^[1-2]$ ]]; do
- read -rp "Select an option [1-2]: " -e -i 1 local pass
- done
-
- echo ""
- echo "Tell me a name for the client cert"
- echo "Use one word only, no special characters"
-
- until [[ "$client" =~ ^[a-zA-Z0-9_]+$ ]]; do
- read -rp "Client name: " -e local client
- done
-
- generateClient
-}
-
-function generateClient () {
- cd /etc/openvpn/easy-rsa/ || return
- 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 $client
- ;;
- esac
-
- # Where to write the custom client.ovpn?
- if [ -e "/home/$client" ]; then # if $1 is a user name
- homeDir="/home/$client"
- elif [ "${SUDO_USER}" ]; then # if not, use SUDO_USER
- homeDir="/home/${SUDO_USER}"
- else # if not SUDO_USER, use /root
- homeDir="/root"
- fi
- # Generates the custom client.ovpn
- cp /etc/openvpn/client-template.txt "$homeDir/$client.ovpn"
- {
- echo ""
- cat "/etc/openvpn/easy-rsa/pki/ca.crt"
- echo ""
-
- echo ""
- cat "/etc/openvpn/easy-rsa/pki/issued/$client.crt"
- echo ""
-
- echo ""
- cat "/etc/openvpn/easy-rsa/pki/private/$client.key"
- echo ""
- echo "key-direction 1"
-
- echo ""
- cat "/etc/openvpn/tls-auth.key"
- echo ""
- } >> "$homeDir/$client.ovpn"
-
- echo ""
- echo "Client $client added, certs available at $homeDir/$client.ovpn"
- exit
-}
-
function installLocalDNS () {
if [[ ! -e /etc/unbound/unbound.conf ]]; then
@@ -234,147 +146,7 @@ private-address: ::ffff:0:0/96' > /etc/unbound/openvpn.conf
fi
}
-function revokeClient () {
- NUMBEROFCLIENTS=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep -c "^V")
- if [[ "$NUMBEROFCLIENTS" = '0' ]]; then
- echo ""
- echo "You have no existing clients!"
- exit 5
- fi
-
- echo ""
- echo "Select the existing client certificate you want to revoke"
- tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | nl -s ') '
- if [[ "$NUMBEROFCLIENTS" = '1' ]]; then
- read -rp "Select one client [1]: " CLIENTNUMBER
- else
- read -rp "Select one client [1-$NUMBEROFCLIENTS]: " CLIENTNUMBER
- fi
-
- CLIENT=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | sed -n "$CLIENTNUMBER"p)
- cd /etc/openvpn/easy-rsa/
- ./easyrsa --batch revoke $CLIENT
- EASYRSA_CRL_DAYS=3650 ./easyrsa gen-crl
- rm -f pki/reqs/$CLIENT.req
- rm -f pki/private/$CLIENT.key
- rm -f pki/issued/$CLIENT.crt
- rm -f /etc/openvpn/crl.pem
- cp /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn/crl.pem
- chmod 644 /etc/openvpn/crl.pem
- rm -f $(find /home -maxdepth 2 | grep $CLIENT.ovpn) 2>/dev/null
- rm -f /root/$CLIENT.ovpn 2>/dev/null
-
- echo ""
- echo "Certificate for client $CLIENT revoked"
- echo "Exiting..."
- exit
-}
-
-function removeOpenVPN () {
- echo ""
- read -rp "Do you really want to remove OpenVPN? [y/n]: " -e -i n REMOVE
- if [[ "$REMOVE" = 'y' ]]; then
- PORT=$(grep '^port ' /etc/openvpn/server.conf | cut -d " " -f 2)
-
- # Remove ipatbles rules related to the script
- systemctl stop iptables-openvpn
- # Cleanup
- systemctl disable iptables-openvpn
- rm /etc/systemd/system/iptables-openvpn.service
- systemctl daemon-reload
- rm /etc/iptables/add-openvpn-rules.sh
- rm /etc/iptables/rm-openvpn-rules.sh
-
- if hash sestatus 2>/dev/null; then
- if sestatus | grep "Current mode" | grep -qs "enforcing"; then
- if [[ "$PORT" != '1194' ]]; then
- semanage port -d -t openvpn_port_t -p udp $PORT
- fi
- fi
- fi
- if [[ "$OS" = 'debian' ]]; then
- apt-get autoremove --purge -y openvpn
- else
- yum remove openvpn -y
- fi
- OVPNS=$(ls /etc/openvpn/easy-rsa/pki/issued | awk -F "." {'print $1'})
- for i in $OVPNS;do
- rm $(find /home -maxdepth 2 | grep $i.ovpn) 2>/dev/null
- rm /root/$i.ovpn 2>/dev/null
- done
- rm -rf /etc/openvpn
- rm -rf /usr/share/doc/openvpn*
- rm -f /etc/sysctl.d/20-openvpn.conf
-
- if [[ -e /etc/unbound/openvpn.conf ]]; then
-
- # Remove OpenVPN-related config
- sed -i 's|include: \/etc\/unbound\/openvpn.conf||' /etc/unbound/unbound.conf
- rm /etc/unbound/openvpn.conf
- service unbound restart
-
- until [[ $REMOVE_UNBOUND == "y" || $REMOVE_UNBOUND == "n" ]]; do
- echo ""
- echo "If you were already using Unbound before installing OpenVPN, I removed the configuration related to OpenVPN."
- echo "You can keep using Unbound as before."
- read -rp "Do you want to completely remove Unbound? [y/n]: " -e REMOVE_UNBOUND
- done
-
- if [[ "$REMOVE_UNBOUND" = 'y' ]]; then
- if [[ "$OS" = 'debian' ]]; then
- apt-get autoremove --purge -y unbound
- else
- yum remove unbound -y
- fi
-
- echo ""
- echo "Unbound removed!"
- else
- echo ""
- echo "Unbound not removed!"
- fi
- fi
- echo ""
- echo "OpenVPN removed!"
- else
- echo ""
- echo "Removal aborted!"
- fi
- exit
-}
-
-function manageMenu () {
- clear
- echo "OpenVPN-install (github.com/Angristan/OpenVPN-install)"
- echo ""
- echo "Looks like OpenVPN is already installed"
- echo ""
-
- echo "What do you want to do?"
- echo " 1) Add a cert for a new user"
- echo " 2) Revoke existing user cert"
- echo " 3) Remove OpenVPN"
- echo " 4) Exit"
- read -rp "Select an option [1-4]: " option
-
- case $option in
- 1)
- # Generates the custom client.ovpn
- newclient
- ;;
- 2)
- revokeClient
- ;;
- 3)
- removeOpenVPN
- ;;
- 4)
- exit
- ;;
- esac
-}
-
-function installQuestions () {
+function installOpenVPN () {
echo "Welcome to the secure OpenVPN installer (github.com/Angristan/OpenVPN-install)"
echo ""
@@ -565,78 +337,8 @@ function installQuestions () {
echo ""
echo "Okay, that was all I needed. We are ready to setup your OpenVPN server now"
read -n1 -r -p "Press any key to continue..."
-}
-function configureIptables () {
- # Install iptables service
- mkdir /etc/iptables
-
- # Script to add rules
- echo "#!/bin/sh
-iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o $NIC -j MASQUERADE
-iptables -A INPUT -i tun0 -j ACCEPT
-iptables -A FORWARD -i $NIC -o tun0 -j ACCEPT
-iptables -A FORWARD -i tun0 -o $NIC -j ACCEPT" > /etc/iptables/add-openvpn-rules.sh
-
- if [[ "$PROTOCOL" = 'UDP' ]]; then
- echo "iptables -A INPUT -i $NIC -p udp --dport $PORT -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
- elif [[ "$PROTOCOL" = 'TCP' ]]; then
- echo "iptables -A INPUT -i $NIC -p tcp --dport $PORT -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
- fi
-
- if [[ "$IPV6" = 'y' ]]; then
- echo "ip6tables -t nat -A POSTROUTING -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
-ip6tables -A INPUT -i tun0 -j ACCEPT
-ip6tables -A FORWARD -i $NIC -o tun0 -j ACCEPT
-ip6tables -A FORWARD -i tun0 -o $NIC -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
- fi
-
- # Script to remove rules
- echo "#!/bin/sh
-iptables -t nat -D POSTROUTING -s 10.8.0.0/24 -o $NIC -j MASQUERADE
-iptables -D INPUT -i tun0 -j ACCEPT
-iptables -D FORWARD -i $NIC -o tun0 -j ACCEPT
-iptables -D FORWARD -i tun0 -o $NIC -j ACCEPT" > /etc/iptables/rm-openvpn-rules.sh
-
- if [[ "$PROTOCOL" = 'UDP' ]]; then
- echo "iptables -D INPUT -i $NIC -p udp --dport $PORT -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
- elif [[ "$PROTOCOL" = 'TCP' ]]; then
- echo "iptables -D INPUT -i $NIC -p tcp --dport $PORT -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
- fi
-
- if [[ "$IPV6" = 'y' ]]; then
- echo "ip6tables -t nat -D POSTROUTING -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
-ip6tables -D INPUT -i tun0 -j ACCEPT
-ip6tables -D FORWARD -i $NIC -o tun0 -j ACCEPT
-ip6tables -D FORWARD -i tun0 -o $NIC -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
- fi
-
- chmod +x /etc/iptables/add-openvpn-rules.sh
- chmod +x /etc/iptables/rm-openvpn-rules.sh
-
- # Handle the rules via a systemd script
- echo "[Unit]
-Description=iptables rules for OpenVPN
-Before=network-pre.target
-Wants=network-pre.target
-
-[Service]
-Type=oneshot
-ExecStart=/etc/iptables/add-openvpn-rules.sh
-ExecStop=/etc/iptables/rm-openvpn-rules.sh
-RemainAfterExit=yes
-
-[Install]
-WantedBy=multi-user.target" > /etc/systemd/system/iptables-openvpn.service
-
- # Enable service and apply rules
- systemctl daemon-reload
- systemctl enable iptables-openvpn
- systemctl start iptables-openvpn
-}
-
-function installOpenVPN () {
- installQuestions
+ NIC=$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)
if [[ "$OS" = 'debian' ]]; then
apt-get update
@@ -665,8 +367,18 @@ function installOpenVPN () {
NOGROUP=nobody
fi
- # Install easy-rsa
- installEasyRsa
+ # An old version of easy-rsa was available by default in some openvpn packages
+ if [[ -d /etc/openvpn/easy-rsa/ ]]; then
+ rm -rf /etc/openvpn/easy-rsa/
+ fi
+
+ local version="3.0.4"
+ wget -O ~/EasyRSA-${version}.tgz https://github.com/OpenVPN/easy-rsa/releases/download/v${version}/EasyRSA-${version}.tgz
+ tar xzf ~/EasyRSA-${version}.tgz -C ~/
+ mv ~/EasyRSA-${version}/ /etc/openvpn/
+ mv /etc/openvpn/EasyRSA-${version}/ /etc/openvpn/easy-rsa/
+ chown -R root:root /etc/openvpn/easy-rsa/
+ rm -f ~/EasyRSA-${version}.tgz
cd /etc/openvpn/easy-rsa/
# Generate a random, alphanumeric identifier of 16 characters for CN and one for server name
@@ -723,17 +435,17 @@ ifconfig-pool-persist ipp.txt" >> /etc/openvpn/server.conf
# DNS resolvers
case $DNS in
1)
- # Locate the proper resolv.conf
- # Needed for systems running systemd-resolved
- if grep -q "127.0.0.53" "/etc/resolv.conf"; then
- RESOLVCONF='/run/systemd/resolve/resolv.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
- echo "push \"dhcp-option DNS $line\"" >> /etc/openvpn/server.conf
- done
+ # Locate the proper resolv.conf
+ # Needed for systems running systemd-resolved
+ if grep -q "127.0.0.53" "/etc/resolv.conf"; then
+ RESOLVCONF='/run/systemd/resolve/resolv.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
+ echo "push \"dhcp-option DNS $line\"" >> /etc/openvpn/server.conf
+ done
;;
2)
# Install Unbound
@@ -845,7 +557,71 @@ verb 3" >> /etc/openvpn/server.conf
systemctl enable openvpn@server
fi
- configureIptables
+ # Install iptables service
+ mkdir /etc/iptables
+
+ # Script to add rules
+ echo "#!/bin/sh
+iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o $NIC -j MASQUERADE
+iptables -A INPUT -i tun0 -j ACCEPT
+iptables -A FORWARD -i $NIC -o tun0 -j ACCEPT
+iptables -A FORWARD -i tun0 -o $NIC -j ACCEPT" > /etc/iptables/add-openvpn-rules.sh
+
+ if [[ "$PROTOCOL" = 'UDP' ]]; then
+ echo "iptables -A INPUT -i $NIC -p udp --dport $PORT -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
+ elif [[ "$PROTOCOL" = 'TCP' ]]; then
+ echo "iptables -A INPUT -i $NIC -p tcp --dport $PORT -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
+ fi
+
+ if [[ "$IPV6" = 'y' ]]; then
+ echo "ip6tables -t nat -A POSTROUTING -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
+ip6tables -A INPUT -i tun0 -j ACCEPT
+ip6tables -A FORWARD -i $NIC -o tun0 -j ACCEPT
+ip6tables -A FORWARD -i tun0 -o $NIC -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
+ fi
+
+ # Script to remove rules
+ echo "#!/bin/sh
+iptables -t nat -D POSTROUTING -s 10.8.0.0/24 -o $NIC -j MASQUERADE
+iptables -D INPUT -i tun0 -j ACCEPT
+iptables -D FORWARD -i $NIC -o tun0 -j ACCEPT
+iptables -D FORWARD -i tun0 -o $NIC -j ACCEPT" > /etc/iptables/rm-openvpn-rules.sh
+
+ if [[ "$PROTOCOL" = 'UDP' ]]; then
+ echo "iptables -D INPUT -i $NIC -p udp --dport $PORT -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
+ elif [[ "$PROTOCOL" = 'TCP' ]]; then
+ echo "iptables -D INPUT -i $NIC -p tcp --dport $PORT -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
+ fi
+
+ if [[ "$IPV6" = 'y' ]]; then
+ echo "ip6tables -t nat -D POSTROUTING -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
+ip6tables -D INPUT -i tun0 -j ACCEPT
+ip6tables -D FORWARD -i $NIC -o tun0 -j ACCEPT
+ip6tables -D FORWARD -i tun0 -o $NIC -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
+ fi
+
+ chmod +x /etc/iptables/add-openvpn-rules.sh
+ chmod +x /etc/iptables/rm-openvpn-rules.sh
+
+ # Handle the rules via a systemd script
+ echo "[Unit]
+Description=iptables rules for OpenVPN
+Before=network-pre.target
+Wants=network-pre.target
+
+[Service]
+Type=oneshot
+ExecStart=/etc/iptables/add-openvpn-rules.sh
+ExecStop=/etc/iptables/rm-openvpn-rules.sh
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target" > /etc/systemd/system/iptables-openvpn.service
+
+ # Enable service and apply rules
+ systemctl daemon-reload
+ systemctl enable iptables-openvpn
+ systemctl start iptables-openvpn
# If the server is behind a NAT, use the correct IP address
if [[ "$PUBLICIP" != "" ]]; then
@@ -881,13 +657,218 @@ verb 3" >> /etc/openvpn/client-template.txt
echo "If you want to add more clients, you simply need to run this script another time!"
}
+function newClient () {
+ echo ""
+ echo "Do you want to protect the configuration file with a password?"
+ echo "(e.g. encrypt the private key with a password)"
+ echo " 1) Add a passwordless client"
+ echo " 2) Use a password for the client"
+
+ until [[ "$pass" =~ ^[1-2]$ ]]; do
+ read -rp "Select an option [1-2]: " -e -i 1 local pass
+ done
+
+ echo ""
+ echo "Tell me a name for the client cert"
+ echo "Use one word only, no special characters"
+
+ until [[ "$client" =~ ^[a-zA-Z0-9_]+$ ]]; do
+ read -rp "Client name: " -e local client
+ done
+
+ generateClient
+}
+
+function generateClient () {
+ cd /etc/openvpn/easy-rsa/ || return
+ 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 $client
+ ;;
+ esac
+
+ # Where to write the custom client.ovpn?
+ if [ -e "/home/$client" ]; then # if $1 is a user name
+ homeDir="/home/$client"
+ elif [ "${SUDO_USER}" ]; then # if not, use SUDO_USER
+ homeDir="/home/${SUDO_USER}"
+ else # if not SUDO_USER, use /root
+ homeDir="/root"
+ fi
+ # Generates the custom client.ovpn
+ cp /etc/openvpn/client-template.txt "$homeDir/$client.ovpn"
+ {
+ echo ""
+ cat "/etc/openvpn/easy-rsa/pki/ca.crt"
+ echo ""
+
+ echo ""
+ cat "/etc/openvpn/easy-rsa/pki/issued/$client.crt"
+ echo ""
+
+ echo ""
+ cat "/etc/openvpn/easy-rsa/pki/private/$client.key"
+ echo ""
+ echo "key-direction 1"
+
+ echo ""
+ cat "/etc/openvpn/tls-auth.key"
+ echo ""
+ } >> "$homeDir/$client.ovpn"
+
+ echo ""
+ echo "Client $client added, certs available at $homeDir/$client.ovpn"
+ exit
+}
+
+function revokeClient () {
+ NUMBEROFCLIENTS=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep -c "^V")
+ if [[ "$NUMBEROFCLIENTS" = '0' ]]; then
+ echo ""
+ echo "You have no existing clients!"
+ exit 5
+ fi
+
+ echo ""
+ echo "Select the existing client certificate you want to revoke"
+ tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | nl -s ') '
+ if [[ "$NUMBEROFCLIENTS" = '1' ]]; then
+ read -rp "Select one client [1]: " CLIENTNUMBER
+ else
+ read -rp "Select one client [1-$NUMBEROFCLIENTS]: " CLIENTNUMBER
+ fi
+
+ CLIENT=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | sed -n "$CLIENTNUMBER"p)
+ cd /etc/openvpn/easy-rsa/
+ ./easyrsa --batch revoke $CLIENT
+ EASYRSA_CRL_DAYS=3650 ./easyrsa gen-crl
+ rm -f pki/reqs/$CLIENT.req
+ rm -f pki/private/$CLIENT.key
+ rm -f pki/issued/$CLIENT.crt
+ rm -f /etc/openvpn/crl.pem
+ cp /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn/crl.pem
+ chmod 644 /etc/openvpn/crl.pem
+ rm -f $(find /home -maxdepth 2 | grep $CLIENT.ovpn) 2>/dev/null
+ rm -f /root/$CLIENT.ovpn 2>/dev/null
+
+ echo ""
+ echo "Certificate for client $CLIENT revoked"
+ echo "Exiting..."
+ exit
+}
+
+function removeOpenVPN () {
+ echo ""
+ read -rp "Do you really want to remove OpenVPN? [y/n]: " -e -i n REMOVE
+ if [[ "$REMOVE" = 'y' ]]; then
+ PORT=$(grep '^port ' /etc/openvpn/server.conf | cut -d " " -f 2)
+
+ # Remove ipatbles rules related to the script
+ systemctl stop iptables-openvpn
+ # Cleanup
+ systemctl disable iptables-openvpn
+ rm /etc/systemd/system/iptables-openvpn.service
+ systemctl daemon-reload
+ rm /etc/iptables/add-openvpn-rules.sh
+ rm /etc/iptables/rm-openvpn-rules.sh
+
+ if hash sestatus 2>/dev/null; then
+ if sestatus | grep "Current mode" | grep -qs "enforcing"; then
+ if [[ "$PORT" != '1194' ]]; then
+ semanage port -d -t openvpn_port_t -p udp $PORT
+ fi
+ fi
+ fi
+ if [[ "$OS" = 'debian' ]]; then
+ apt-get autoremove --purge -y openvpn
+ else
+ yum remove openvpn -y
+ fi
+ OVPNS=$(ls /etc/openvpn/easy-rsa/pki/issued | awk -F "." {'print $1'})
+ for i in $OVPNS;do
+ rm $(find /home -maxdepth 2 | grep $i.ovpn) 2>/dev/null
+ rm /root/$i.ovpn 2>/dev/null
+ done
+ rm -rf /etc/openvpn
+ rm -rf /usr/share/doc/openvpn*
+ rm -f /etc/sysctl.d/20-openvpn.conf
+
+ if [[ -e /etc/unbound/openvpn.conf ]]; then
+
+ # Remove OpenVPN-related config
+ sed -i 's|include: \/etc\/unbound\/openvpn.conf||' /etc/unbound/unbound.conf
+ rm /etc/unbound/openvpn.conf
+ service unbound restart
+
+ until [[ $REMOVE_UNBOUND == "y" || $REMOVE_UNBOUND == "n" ]]; do
+ echo ""
+ echo "If you were already using Unbound before installing OpenVPN, I removed the configuration related to OpenVPN."
+ echo "You can keep using Unbound as before."
+ read -rp "Do you want to completely remove Unbound? [y/n]: " -e REMOVE_UNBOUND
+ done
+
+ if [[ "$REMOVE_UNBOUND" = 'y' ]]; then
+ if [[ "$OS" = 'debian' ]]; then
+ apt-get autoremove --purge -y unbound
+ else
+ yum remove unbound -y
+ fi
+
+ echo ""
+ echo "Unbound removed!"
+ else
+ echo ""
+ echo "Unbound not removed!"
+ fi
+ fi
+ echo ""
+ echo "OpenVPN removed!"
+ else
+ echo ""
+ echo "Removal aborted!"
+ fi
+ exit
+}
+
+function manageMenu () {
+ clear
+ echo "OpenVPN-install (github.com/Angristan/OpenVPN-install)"
+ echo ""
+ echo "Looks like OpenVPN is already installed"
+ echo ""
+
+ echo "What do you want to do?"
+ echo " 1) Add a cert for a new user"
+ echo " 2) Revoke existing user cert"
+ echo " 3) Remove OpenVPN"
+ echo " 4) Exit"
+ read -rp "Select an option [1-4]: " option
+
+ case $option in
+ 1)
+ # Generates the custom client.ovpn
+ newclient
+ ;;
+ 2)
+ revokeClient
+ ;;
+ 3)
+ removeOpenVPN
+ ;;
+ 4)
+ exit
+ ;;
+ esac
+}
+
# Main
initialCheck
-# Get Internet network interface with default route
-NIC=$(getNIC)
-
if [[ -e /etc/openvpn/server.conf ]]; then
manageMenu
else