Move functions
This commit is contained in:
angristan
parent
ea83bbed76
commit
66a6a702c2
1 changed files with 299 additions and 318 deletions
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@ -24,10 +24,9 @@ function checkOS () {
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VERSION_ID=$(grep "VERSION_ID" /etc/os-release)
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VERSION_ID=$(grep "VERSION_ID" /etc/os-release)
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if [[ "$VERSION_ID" != 'VERSION_ID="8"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="9"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="16.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="17.10"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="18.04"' ]]; then
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if [[ "$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
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echo "Your version of Debian/Ubuntu is not supported."
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echo "Your version of Debian/Ubuntu is not supported."
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echo "I can't install a recent version of OpenVPN on your system."
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echo ""
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echo ""
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echo "However, if you're using Debian unstable/testing, or Ubuntu beta,"
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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 "then you can continue."
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echo "Keep in mind they are not supported, though."
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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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while [[ $CONTINUE != "y" && $CONTINUE != "n" ]]; do
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read -rp "Continue? [y/n]: " -e CONTINUE
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read -rp "Continue? [y/n]: " -e CONTINUE
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@ -72,93 +71,6 @@ function initialCheck () {
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checkOS
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checkOS
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}
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}
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function getNIC () {
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return $(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)
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}
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function installEasyRsa () {
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# An old version of easy-rsa was available by default in some openvpn packages
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if [[ -d /etc/openvpn/easy-rsa/ ]]; then
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rm -rf /etc/openvpn/easy-rsa/
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fi
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local version="3.0.4"
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wget -O ~/EasyRSA-${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-${version}/ /etc/openvpn/easy-rsa/
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chown -R root:root /etc/openvpn/easy-rsa/
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rm -f ~/EasyRSA-${version}.tgz
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}
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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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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 local pass
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done
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echo ""
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echo "Tell me a name for the client cert"
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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 local client
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done
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generateClient
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}
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function generateClient () {
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cd /etc/openvpn/easy-rsa/ || return
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case $pass in
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1)
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./easyrsa build-client-full $client nopass
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;;
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2)
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echo "⚠️ You will be asked for the client password below ⚠️"
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./easyrsa build-client-full $client
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;;
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esac
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# Where to write the custom client.ovpn?
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if [ -e "/home/$client" ]; then # if $1 is a user name
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homeDir="/home/$client"
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elif [ "${SUDO_USER}" ]; then # if not, use SUDO_USER
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homeDir="/home/${SUDO_USER}"
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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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echo "<ca>"
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cat "/etc/openvpn/easy-rsa/pki/ca.crt"
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echo "</ca>"
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echo "<cert>"
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cat "/etc/openvpn/easy-rsa/pki/issued/$client.crt"
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echo "</cert>"
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echo "<key>"
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cat "/etc/openvpn/easy-rsa/pki/private/$client.key"
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echo "</key>"
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echo "key-direction 1"
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echo "<tls-auth>"
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cat "/etc/openvpn/tls-auth.key"
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echo "</tls-auth>"
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} >> "$homeDir/$client.ovpn"
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echo ""
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echo "Client $client added, certs available at $homeDir/$client.ovpn"
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exit
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}
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function installLocalDNS () {
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function installLocalDNS () {
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if [[ ! -e /etc/unbound/unbound.conf ]]; then
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if [[ ! -e /etc/unbound/unbound.conf ]]; then
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@ -234,147 +146,7 @@ private-address: ::ffff:0:0/96' > /etc/unbound/openvpn.conf
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fi
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fi
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}
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}
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function revokeClient () {
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function installOpenVPN () {
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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/
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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=$(grep '^port ' /etc/openvpn/server.conf | cut -d " " -f 2)
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# Remove ipatbles rules related to the script
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systemctl stop iptables-openvpn
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# Cleanup
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systemctl disable iptables-openvpn
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rm /etc/systemd/system/iptables-openvpn.service
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systemctl daemon-reload
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rm /etc/iptables/add-openvpn-rules.sh
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rm /etc/iptables/rm-openvpn-rules.sh
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if hash sestatus 2>/dev/null; then
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if sestatus | grep "Current mode" | grep -qs "enforcing"; then
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if [[ "$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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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;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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rm -f /etc/sysctl.d/20-openvpn.conf
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if [[ -e /etc/unbound/openvpn.conf ]]; then
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# Remove OpenVPN-related config
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sed -i 's|include: \/etc\/unbound\/openvpn.conf||' /etc/unbound/unbound.conf
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rm /etc/unbound/openvpn.conf
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service unbound restart
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until [[ $REMOVE_UNBOUND == "y" || $REMOVE_UNBOUND == "n" ]]; do
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echo ""
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echo "If you were already using Unbound before installing OpenVPN, I removed the configuration related to OpenVPN."
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echo "You can keep using Unbound as before."
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read -rp "Do you want to completely remove Unbound? [y/n]: " -e REMOVE_UNBOUND
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done
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if [[ "$REMOVE_UNBOUND" = 'y' ]]; then
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if [[ "$OS" = 'debian' ]]; then
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apt-get autoremove --purge -y unbound
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else
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yum remove unbound -y
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fi
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echo ""
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echo "Unbound removed!"
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else
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echo ""
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echo "Unbound not removed!"
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fi
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fi
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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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function manageMenu () {
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clear
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echo "OpenVPN-install (github.com/Angristan/OpenVPN-install)"
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echo ""
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echo "Looks like OpenVPN is already installed"
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echo ""
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echo "What do you want to do?"
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echo " 1) Add a cert for a new user"
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echo " 2) Revoke existing user cert"
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echo " 3) Remove OpenVPN"
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echo " 4) Exit"
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read -rp "Select an option [1-4]: " option
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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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;;
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2)
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revokeClient
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;;
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3)
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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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esac
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}
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function installQuestions () {
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echo "Welcome to the secure OpenVPN installer (github.com/Angristan/OpenVPN-install)"
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echo "Welcome to the secure OpenVPN installer (github.com/Angristan/OpenVPN-install)"
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echo ""
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echo ""
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@ -565,78 +337,8 @@ function installQuestions () {
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echo ""
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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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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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read -n1 -r -p "Press any key to continue..."
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}
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function configureIptables () {
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NIC=$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)
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# Install iptables service
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mkdir /etc/iptables
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# Script to add rules
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echo "#!/bin/sh
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iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o $NIC -j MASQUERADE
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iptables -A INPUT -i tun0 -j ACCEPT
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iptables -A FORWARD -i $NIC -o tun0 -j ACCEPT
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iptables -A FORWARD -i tun0 -o $NIC -j ACCEPT" > /etc/iptables/add-openvpn-rules.sh
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if [[ "$PROTOCOL" = 'UDP' ]]; then
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echo "iptables -A INPUT -i $NIC -p udp --dport $PORT -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
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elif [[ "$PROTOCOL" = 'TCP' ]]; then
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echo "iptables -A INPUT -i $NIC -p tcp --dport $PORT -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
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fi
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if [[ "$IPV6" = 'y' ]]; then
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echo "ip6tables -t nat -A POSTROUTING -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
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ip6tables -A INPUT -i tun0 -j ACCEPT
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ip6tables -A FORWARD -i $NIC -o tun0 -j ACCEPT
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ip6tables -A FORWARD -i tun0 -o $NIC -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
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fi
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# Script to remove rules
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echo "#!/bin/sh
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iptables -t nat -D POSTROUTING -s 10.8.0.0/24 -o $NIC -j MASQUERADE
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iptables -D INPUT -i tun0 -j ACCEPT
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iptables -D FORWARD -i $NIC -o tun0 -j ACCEPT
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iptables -D FORWARD -i tun0 -o $NIC -j ACCEPT" > /etc/iptables/rm-openvpn-rules.sh
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if [[ "$PROTOCOL" = 'UDP' ]]; then
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echo "iptables -D INPUT -i $NIC -p udp --dport $PORT -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
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elif [[ "$PROTOCOL" = 'TCP' ]]; then
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echo "iptables -D INPUT -i $NIC -p tcp --dport $PORT -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
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fi
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if [[ "$IPV6" = 'y' ]]; then
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echo "ip6tables -t nat -D POSTROUTING -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
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ip6tables -D INPUT -i tun0 -j ACCEPT
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ip6tables -D FORWARD -i $NIC -o tun0 -j ACCEPT
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ip6tables -D FORWARD -i tun0 -o $NIC -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
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fi
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chmod +x /etc/iptables/add-openvpn-rules.sh
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chmod +x /etc/iptables/rm-openvpn-rules.sh
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# Handle the rules via a systemd script
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echo "[Unit]
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Description=iptables rules for OpenVPN
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Before=network-pre.target
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Wants=network-pre.target
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[Service]
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Type=oneshot
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ExecStart=/etc/iptables/add-openvpn-rules.sh
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ExecStop=/etc/iptables/rm-openvpn-rules.sh
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RemainAfterExit=yes
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[Install]
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WantedBy=multi-user.target" > /etc/systemd/system/iptables-openvpn.service
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# Enable service and apply rules
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systemctl daemon-reload
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systemctl enable iptables-openvpn
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systemctl start iptables-openvpn
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}
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function installOpenVPN () {
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installQuestions
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if [[ "$OS" = 'debian' ]]; then
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if [[ "$OS" = 'debian' ]]; then
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apt-get update
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apt-get update
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@ -665,8 +367,18 @@ function installOpenVPN () {
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NOGROUP=nobody
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NOGROUP=nobody
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fi
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fi
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# Install easy-rsa
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# An old version of easy-rsa was available by default in some openvpn packages
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installEasyRsa
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if [[ -d /etc/openvpn/easy-rsa/ ]]; then
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||||||
|
rm -rf /etc/openvpn/easy-rsa/
|
||||||
|
fi
|
||||||
|
|
||||||
|
local version="3.0.4"
|
||||||
|
wget -O ~/EasyRSA-${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/
|
cd /etc/openvpn/easy-rsa/
|
||||||
# Generate a random, alphanumeric identifier of 16 characters for CN and one for server name
|
# 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
|
# DNS resolvers
|
||||||
case $DNS in
|
case $DNS in
|
||||||
1)
|
1)
|
||||||
# Locate the proper resolv.conf
|
# Locate the proper resolv.conf
|
||||||
# Needed for systems running systemd-resolved
|
# Needed for systems running systemd-resolved
|
||||||
if grep -q "127.0.0.53" "/etc/resolv.conf"; then
|
if grep -q "127.0.0.53" "/etc/resolv.conf"; then
|
||||||
RESOLVCONF='/run/systemd/resolve/resolv.conf'
|
RESOLVCONF='/run/systemd/resolve/resolv.conf'
|
||||||
else
|
else
|
||||||
RESOLVCONF='/etc/resolv.conf'
|
RESOLVCONF='/etc/resolv.conf'
|
||||||
fi
|
fi
|
||||||
# Obtain the resolvers from resolv.conf and use them for OpenVPN
|
# 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
|
echo "push \"dhcp-option DNS $line\"" >> /etc/openvpn/server.conf
|
||||||
done
|
done
|
||||||
;;
|
;;
|
||||||
2)
|
2)
|
||||||
# Install Unbound
|
# Install Unbound
|
||||||
|
|
@ -845,7 +557,71 @@ verb 3" >> /etc/openvpn/server.conf
|
||||||
systemctl enable openvpn@server
|
systemctl enable openvpn@server
|
||||||
fi
|
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 $NIC -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
|
||||||
|
fi
|
||||||
|
|
||||||
|
chmod +x /etc/iptables/add-openvpn-rules.sh
|
||||||
|
chmod +x /etc/iptables/rm-openvpn-rules.sh
|
||||||
|
|
||||||
|
# Handle the rules via a systemd script
|
||||||
|
echo "[Unit]
|
||||||
|
Description=iptables rules for OpenVPN
|
||||||
|
Before=network-pre.target
|
||||||
|
Wants=network-pre.target
|
||||||
|
|
||||||
|
[Service]
|
||||||
|
Type=oneshot
|
||||||
|
ExecStart=/etc/iptables/add-openvpn-rules.sh
|
||||||
|
ExecStop=/etc/iptables/rm-openvpn-rules.sh
|
||||||
|
RemainAfterExit=yes
|
||||||
|
|
||||||
|
[Install]
|
||||||
|
WantedBy=multi-user.target" > /etc/systemd/system/iptables-openvpn.service
|
||||||
|
|
||||||
|
# Enable service and apply rules
|
||||||
|
systemctl daemon-reload
|
||||||
|
systemctl enable iptables-openvpn
|
||||||
|
systemctl start iptables-openvpn
|
||||||
|
|
||||||
# If the server is behind a NAT, use the correct IP address
|
# If the server is behind a NAT, use the correct IP address
|
||||||
if [[ "$PUBLICIP" != "" ]]; then
|
if [[ "$PUBLICIP" != "" ]]; then
|
||||||
|
|
@ -881,13 +657,218 @@ verb 3" >> /etc/openvpn/client-template.txt
|
||||||
echo "If you want to add more clients, you simply need to run this script another time!"
|
echo "If you want to add more clients, you simply need to run this script another time!"
|
||||||
}
|
}
|
||||||
|
|
||||||
|
function newClient () {
|
||||||
|
echo ""
|
||||||
|
echo "Do you want to protect the configuration file with a password?"
|
||||||
|
echo "(e.g. encrypt the private key with a password)"
|
||||||
|
echo " 1) Add a passwordless client"
|
||||||
|
echo " 2) Use a password for the client"
|
||||||
|
|
||||||
|
until [[ "$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 "<ca>"
|
||||||
|
cat "/etc/openvpn/easy-rsa/pki/ca.crt"
|
||||||
|
echo "</ca>"
|
||||||
|
|
||||||
|
echo "<cert>"
|
||||||
|
cat "/etc/openvpn/easy-rsa/pki/issued/$client.crt"
|
||||||
|
echo "</cert>"
|
||||||
|
|
||||||
|
echo "<key>"
|
||||||
|
cat "/etc/openvpn/easy-rsa/pki/private/$client.key"
|
||||||
|
echo "</key>"
|
||||||
|
echo "key-direction 1"
|
||||||
|
|
||||||
|
echo "<tls-auth>"
|
||||||
|
cat "/etc/openvpn/tls-auth.key"
|
||||||
|
echo "</tls-auth>"
|
||||||
|
} >> "$homeDir/$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 $option in
|
||||||
|
1)
|
||||||
|
# Generates the custom client.ovpn
|
||||||
|
newclient
|
||||||
|
;;
|
||||||
|
2)
|
||||||
|
revokeClient
|
||||||
|
;;
|
||||||
|
3)
|
||||||
|
removeOpenVPN
|
||||||
|
;;
|
||||||
|
4)
|
||||||
|
exit
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
}
|
||||||
|
|
||||||
# Main
|
# Main
|
||||||
|
|
||||||
initialCheck
|
initialCheck
|
||||||
|
|
||||||
# Get Internet network interface with default route
|
|
||||||
NIC=$(getNIC)
|
|
||||||
|
|
||||||
if [[ -e /etc/openvpn/server.conf ]]; then
|
if [[ -e /etc/openvpn/server.conf ]]; then
|
||||||
manageMenu
|
manageMenu
|
||||||
else
|
else
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue