mirror of
https://github.com/Nyr/openvpn-install.git
synced 2025-04-04 21:23:31 +03:00
First upload changes for Slackware Linux
openvpn-install.sh.orig is the original file provided by Nyr, used for the diff. openvpn-install.sh is the patched OpenVPN installer script. openvpn-install.sh.diff is simply the diff, created with: diff -Naruw openvpn-install.sh.orig openvpn-install.sh > openvpn-install.sh.diff
This commit is contained in:
JWSmythe
GitHub
parent
feafe3ffdc
commit
e64937c528
3 changed files with 1134 additions and 61 deletions
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@ -3,7 +3,7 @@
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# https://github.com/Nyr/openvpn-install
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#
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# Copyright (c) 2013 Nyr. Released under the MIT License.
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# Slackware support added by JWSmythe v20231028.2034
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# Detect Debian users running the script with "sh" instead of bash
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if readlink /proc/$$/exe | grep -q "dash"; then
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@ -13,7 +13,7 @@ fi
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# Discard stdin. Needed when running from an one-liner which includes a newline
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read -N 999999 -t 0.001
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# Detect OpenVZ 6
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if [[ $(uname -r | cut -d "." -f 1) -eq 2 ]]; then
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echo "The system is running an old kernel, which is incompatible with this installer."
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@ -38,9 +38,13 @@ elif [[ -e /etc/fedora-release ]]; then
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os="fedora"
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os_version=$(grep -oE '[0-9]+' /etc/fedora-release | head -1)
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group_name="nobody"
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elif grep -qs "slackware" /etc/os-release; then
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os="slackware"
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os_version=$(grep 'VERSION_ID' /etc/os-release | cut -d '"' -f 2 | tr -d '.')
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group_name="nobody"
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else
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echo "This installer seems to be running on an unsupported distribution.
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Supported distros are Ubuntu, Debian, AlmaLinux, Rocky Linux, CentOS and Fedora."
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Supported distros are Ubuntu, Debian, AlmaLinux, Rocky Linux, CentOS, Fedora, and Slackware."
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exit
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fi
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@ -68,6 +72,12 @@ This version of CentOS is too old and unsupported."
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exit
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fi
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if [[ "$os" == "slackware" && "$os_version" -lt 14 ]]; then
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echo "Slackware 14.0 or higher is required to use this installer.
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This version of Slackware is too old and unsupported."
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exit
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fi
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# Detect environments where $PATH does not include the sbin directories
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if ! grep -q sbin <<< "$PATH"; then
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echo '$PATH does not include sbin. Try using "su -" instead of "su".'
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@ -85,6 +95,13 @@ TUN needs to be enabled before running this installer."
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exit
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fi
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# Slackware's OpenVPN install doesn't include the server directory. Create it.
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if [[ "$os" == "slackware" ]]; then
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if [ ! -d /etc/openvpn/server ]; then
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mkdir /etc/openvpn/server
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fi
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fi
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new_client () {
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# Generates the custom client.ovpn
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{
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@ -130,7 +147,7 @@ if [[ ! -e /etc/openvpn/server/server.conf ]]; then
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[[ -z "$ip_number" ]] && ip_number="1"
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ip=$(ip -4 addr | grep inet | grep -vE '127(\.[0-9]{1,3}){3}' | cut -d '/' -f 1 | grep -oE '[0-9]{1,3}(\.[0-9]{1,3}){3}' | sed -n "$ip_number"p)
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fi
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# If $ip is a private IP address, the server must be behind NAT
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# If $ip is a private IP address, the server must be behind NAT
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if echo "$ip" | grep -qE '^(10\.|172\.1[6789]\.|172\.2[0-9]\.|172\.3[01]\.|192\.168)'; then
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echo
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echo "This server is behind NAT. What is the public IPv4 address or hostname?"
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@ -208,18 +225,25 @@ if [[ ! -e /etc/openvpn/server/server.conf ]]; then
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[[ -z "$client" ]] && client="client"
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echo
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echo "OpenVPN installation is ready to begin."
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# Install a firewall if firewalld or iptables are not already available
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if ! systemctl is-active --quiet firewalld.service && ! hash iptables 2>/dev/null; then
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if [[ "$os" == "centos" || "$os" == "fedora" ]]; then
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firewall="firewalld"
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# We don't want to silently enable firewalld, so we give a subtle warning
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# If the user continues, firewalld will be installed and enabled during setup
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echo "firewalld, which is required to manage routing tables, will also be installed."
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elif [[ "$os" == "debian" || "$os" == "ubuntu" ]]; then
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# iptables is way less invasive than firewalld so no warning is given
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firewall="iptables"
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fi
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fi
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if [[ "$os" == "slackware" ]]; then
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# No systemctl for Slackware. Can't use the test.
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firewall="iptables"
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else
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# Install a firewall if firewalld or iptables are not already available
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if ! systemctl is-active --quiet firewalld.service && ! hash iptables 2>/dev/null; then
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if [[ "$os" == "centos" || "$os" == "fedora" ]]; then
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firewall="firewalld"
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# We don't want to silently enable firewalld, so we give a subtle warning
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# If the user continues, firewalld will be installed and enabled during setup
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echo "firewalld, which is required to manage routing tables, will also be installed."
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elif [[ "$os" == "debian" || "$os" == "ubuntu" || "$os" == "slackware" ]]; then
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# iptables is way less invasive than firewalld so no warning is given
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firewall="iptables"
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fi
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fi
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fi
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read -n1 -r -p "Press any key to continue..."
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# If running inside a container, disable LimitNPROC to prevent conflicts
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if systemd-detect-virt -cq; then
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@ -227,12 +251,14 @@ if [[ ! -e /etc/openvpn/server/server.conf ]]; then
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echo "[Service]
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LimitNPROC=infinity" > /etc/systemd/system/openvpn-server@server.service.d/disable-limitnproc.conf
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fi
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if [[ "$os" = "debian" || "$os" = "ubuntu" ]]; then
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if [[ "$os" == "debian" || "$os" == "ubuntu" ]]; then
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apt-get update
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apt-get install -y --no-install-recommends openvpn openssl ca-certificates $firewall
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elif [[ "$os" = "centos" ]]; then
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elif [[ "$os" == "centos" ]]; then
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yum install -y epel-release
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yum install -y openvpn openssl ca-certificates tar $firewall
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elif [[ "$os" == "slackware" ]]; then
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slackpkg install openvpn openssl ca-certificates tar $firewall
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else
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# Else, OS must be Fedora
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dnf install -y openvpn openssl ca-certificates tar $firewall
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@ -271,16 +297,21 @@ YdEIqUuyyOP7uWrat2DX9GgdT0Kj3jlN9K5W7edjcrsZCwenyO4KbXCeAvzhzffi
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ssbzSibBsu/6iGtCOGEoXJf//////////wIBAg==
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-----END DH PARAMETERS-----' > /etc/openvpn/server/dh.pem
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# Generate server.conf
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# Note -JWS 20231027 server.conf should always have full paths to the
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# config files. Relative paths failed with Slackware's rc.openvpn, if it
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# is called from outside of the /etc/openvpn/server directory. This should
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# help users on other distros too.
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echo "local $ip
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port $port
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proto $protocol
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dev tun
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ca ca.crt
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cert server.crt
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key server.key
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dh dh.pem
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ca /etc/openvpn/server/ca.crt
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cert /etc/openvpn/server/server.crt
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key /etc/openvpn/server/server.key
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dh /etc/openvpn/server/dh.pem
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auth SHA512
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tls-crypt tc.key
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tls-crypt /etc/openvpn/server/tc.key
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topology subnet
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server 10.8.0.0 255.255.255.0" > /etc/openvpn/server/server.conf
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# IPv6
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@ -334,12 +365,18 @@ group $group_name
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persist-key
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persist-tun
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verb 3
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crl-verify crl.pem" >> /etc/openvpn/server/server.conf
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crl-verify /etc/openvpn/server/crl.pem" >> /etc/openvpn/server/server.conf
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if [[ "$protocol" = "udp" ]]; then
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echo "explicit-exit-notify" >> /etc/openvpn/server/server.conf
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fi
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# Enable net.ipv4.ip_forward for the system
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echo 'net.ipv4.ip_forward=1' > /etc/sysctl.d/99-openvpn-forward.conf
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if [[ "$os" == "slackware" ]]; then
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echo "Enabling /etc/rc.d/rc.ip_forward.
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"
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chmod 755 /etc/rc.d/rc.ip_forward
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/etc/rc.d/rc.ip_forward start
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fi
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# Enable without waiting for a reboot or service restart
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echo 1 > /proc/sys/net/ipv4/ip_forward
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if [[ -n "$ip6" ]]; then
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@ -348,7 +385,14 @@ crl-verify crl.pem" >> /etc/openvpn/server/server.conf
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# Enable without waiting for a reboot or service restart
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echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
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fi
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if systemctl is-active --quiet firewalld.service; then
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if [[ "$os" == "slackware" ]]; then
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echo "
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*** Slackware Admins: Disregard systemctl, systemd, and firewall-cmd errors below. ***
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"
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fi
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if systemctl is-active --quiet firewalld.service; then
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# if systemctl is-active --quiet firewalld.service && [[ "$os" != "slackware" ]]; then
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# Using both permanent and not permanent rules to avoid a firewalld
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# reload.
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# We don't use --add-service=openvpn because that would only work with
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@ -401,6 +445,83 @@ ExecStop=$ip6tables_path -D FORWARD -m state --state RELATED,ESTABLISHED -j ACCE
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WantedBy=multi-user.target" >> /etc/systemd/system/openvpn-iptables.service
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systemctl enable --now openvpn-iptables.service
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fi
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if [[ "$os" == "slackware" ]]; then
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out="#!/bin/sh
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# Start/stop/restart the OpenVPN Routing
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# 20231025 JWSmythe (https://jwsmythe.com) for https://github.com/Nyr/openvpn-install
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# Copyright (c) 2013 Nyr. Released under the MIT License.
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routing_start() {
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$iptables_path -t nat -A POSTROUTING -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $ip
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$iptables_path -I INPUT -p $protocol --dport $port -j ACCEPT
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$iptables_path -I FORWARD -s 10.8.0.0/24 -j ACCEPT
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$iptables_path -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
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"
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if [[ -n "$ip6" ]]; then
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out+="
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$ip6tables_path -t nat -A POSTROUTING -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to $ip6
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$ip6tables_path -I FORWARD -s fddd:1194:1194:1194::/64 -j ACCEPT
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$ip6tables_path -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
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"
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fi
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out+="}
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routing_stop() {
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$iptables_path -t nat -D POSTROUTING -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $ip
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$iptables_path -D INPUT -p $protocol --dport $port -j ACCEPT
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$iptables_path -D FORWARD -s 10.8.0.0/24 -j ACCEPT
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$iptables_path -D FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
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$iptables_path -F
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$iptables_path -t nat -F
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"
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if [[ -n "$ip6" ]]; then
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out+="
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$ip6tables_path -t nat -D POSTROUTING -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to $ip6
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$ip6tables_path -D FORWARD -s fddd:1194:1194:1194::/64 -j ACCEPT
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$ip6tables_path -D FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
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$ip6tables_path -F
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$ip6tables_path -t nat -F
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"
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fi
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out+="}
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routing_restart() {
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routing_stop
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sleep 1
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routing_start
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}
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case \"\$1\" in
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'start')
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routing_start
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;;
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'stop')
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routing_stop
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;;
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'restart')
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routing_restart
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;;
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*)
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echo \"usage $0 start|stop|restart\"
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esac
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"
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if [[ ! -f /etc/rc.d/rc.ovpn_routing ]]; then
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echo "Writing startup routing to /etc/rc.d/rc.ovpn_routing"
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echo "$out" > /etc/rc.d/rc.ovpn_routing
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chmod 755 /etc/rc.d/rc.ovpn_routing
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/etc/rc.d/rc.ovpn_routing
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else
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echo "!!! Writing startup routing to /etc/rc.d/rc.ovpn_routing.new !!!"
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echo " You need to copy it over and run it."
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echo "$out" > /etc/rc.d/rc.ovpn_routing.new
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fi
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fi
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# If SELinux is enabled and a custom port was selected, we need this
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if sestatus 2>/dev/null | grep "Current mode" | grep -q "enforcing" && [[ "$port" != 1194 ]]; then
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# Install semanage if not already present
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@ -431,7 +552,17 @@ auth SHA512
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ignore-unknown-option block-outside-dns
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verb 3" > /etc/openvpn/server/client-common.txt
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# Enable and start the OpenVPN service
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systemctl enable --now openvpn-server@server.service
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if [[ "$os" == "slackware" ]]; then
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echo "iii Starting up services. rc.openvpn and rc.ovpn_routing "
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echo "!!! You need to add them to rc.local, so they will run at boot time !!!"
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# Make sure they're executable
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chmod 755 /etc/rc.d/rc.openvpn
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chmod 755 /etc/rc.d/rc.ovpn_routing
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/etc/rc.d/rc.openvpn start /etc/openvpn/server/server.conf
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/etc/rc.d/rc.ovpn_routing start
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else
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systemctl enable --now openvpn-server@server.service
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fi
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# Generates the custom client.ovpn
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new_client
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echo
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@ -439,6 +570,33 @@ verb 3" > /etc/openvpn/server/client-common.txt
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echo
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echo "The client configuration is available in:" ~/"$client.ovpn"
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echo "New clients can be added by running this script again."
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if [[ "$os" == "slackware" ]]; then
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echo "
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************************************************************
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!!!!! Slackware Admins !!!!!
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************************************************************
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If this isn't the first time you've run this script, you may need to
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overwrite rc.ovpn_routing with rc.ovpn_routing.new. It was left in case
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you made customizations.
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You need to add these lines to the end of your /etc/rc.d/rc.local,
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so OpenVPN will start, and it will route the VPN clients correctly.
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#==== Begin /etc/rc.d/rc.local lines =======================
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# Start OpenVPN Server
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if [ -x /etc/rc.d/rc.openvpn ]; then
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. /etc/rc.d/rc.openvpn start /etc/openvpn/server/server.conf
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fi
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# Start OpenVPN Routing
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if [ -x /etc/rc.d/rc.ovpn_routing ]; then
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. /etc/rc.d/rc.ovpn_routing start
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fi
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#===== END /etc/rc.d/rc.local lines ========================
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************************************************************
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"
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fi
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else
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clear
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echo "OpenVPN is already installed."
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@ -522,40 +680,53 @@ else
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if [[ "$remove" =~ ^[yY]$ ]]; then
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port=$(grep '^port ' /etc/openvpn/server/server.conf | cut -d " " -f 2)
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protocol=$(grep '^proto ' /etc/openvpn/server/server.conf | cut -d " " -f 2)
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if systemctl is-active --quiet firewalld.service; then
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ip=$(firewall-cmd --direct --get-rules ipv4 nat POSTROUTING | grep '\-s 10.8.0.0/24 '"'"'!'"'"' -d 10.8.0.0/24' | grep -oE '[^ ]+$')
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# Using both permanent and not permanent rules to avoid a firewalld reload.
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firewall-cmd --remove-port="$port"/"$protocol"
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firewall-cmd --zone=trusted --remove-source=10.8.0.0/24
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firewall-cmd --permanent --remove-port="$port"/"$protocol"
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firewall-cmd --permanent --zone=trusted --remove-source=10.8.0.0/24
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firewall-cmd --direct --remove-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to "$ip"
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firewall-cmd --permanent --direct --remove-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to "$ip"
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if grep -qs "server-ipv6" /etc/openvpn/server/server.conf; then
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ip6=$(firewall-cmd --direct --get-rules ipv6 nat POSTROUTING | grep '\-s fddd:1194:1194:1194::/64 '"'"'!'"'"' -d fddd:1194:1194:1194::/64' | grep -oE '[^ ]+$')
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firewall-cmd --zone=trusted --remove-source=fddd:1194:1194:1194::/64
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firewall-cmd --permanent --zone=trusted --remove-source=fddd:1194:1194:1194::/64
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firewall-cmd --direct --remove-rule ipv6 nat POSTROUTING 0 -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to "$ip6"
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firewall-cmd --permanent --direct --remove-rule ipv6 nat POSTROUTING 0 -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to "$ip6"
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fi
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else
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systemctl disable --now openvpn-iptables.service
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rm -f /etc/systemd/system/openvpn-iptables.service
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fi
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if sestatus 2>/dev/null | grep "Current mode" | grep -q "enforcing" && [[ "$port" != 1194 ]]; then
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semanage port -d -t openvpn_port_t -p "$protocol" "$port"
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fi
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systemctl disable --now openvpn-server@server.service
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rm -f /etc/systemd/system/openvpn-server@server.service.d/disable-limitnproc.conf
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rm -f /etc/sysctl.d/99-openvpn-forward.conf
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if [[ "$os" = "debian" || "$os" = "ubuntu" ]]; then
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rm -rf /etc/openvpn/server
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apt-get remove --purge -y openvpn
|
||||
else
|
||||
# Else, OS must be CentOS or Fedora
|
||||
yum remove -y openvpn
|
||||
rm -rf /etc/openvpn/server
|
||||
fi
|
||||
if [[ "$os" == "slackware" ]]; then
|
||||
# Re-enabling so the stops will work. Disabling immediately after.
|
||||
chmod 755 /etc/rc.d/rc.openvpn
|
||||
chmod 755 /etc/rc.d/rc.ovpn_routing
|
||||
/etc/rc.d/rc.ovpn_routing stop
|
||||
/etc/rc.d/rc.openvpn stop
|
||||
rm -rf /etc/openvpn/server
|
||||
chmod 644 /etc/rc.d/rc.openvpn
|
||||
chmod 644 /etc/rc.d/rc.ovpn_routing
|
||||
# We're not uninstalling anything. The user can if they want.
|
||||
# slackpkg remove openvpn
|
||||
else
|
||||
if systemctl is-active --quiet firewalld.service; then
|
||||
ip=$(firewall-cmd --direct --get-rules ipv4 nat POSTROUTING | grep '\-s 10.8.0.0/24 '"'"'!'"'"' -d 10.8.0.0/24' | grep -oE '[^ ]+$')
|
||||
# Using both permanent and not permanent rules to avoid a firewalld reload.
|
||||
firewall-cmd --remove-port="$port"/"$protocol"
|
||||
firewall-cmd --zone=trusted --remove-source=10.8.0.0/24
|
||||
firewall-cmd --permanent --remove-port="$port"/"$protocol"
|
||||
firewall-cmd --permanent --zone=trusted --remove-source=10.8.0.0/24
|
||||
firewall-cmd --direct --remove-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to "$ip"
|
||||
firewall-cmd --permanent --direct --remove-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to "$ip"
|
||||
if grep -qs "server-ipv6" /etc/openvpn/server/server.conf; then
|
||||
ip6=$(firewall-cmd --direct --get-rules ipv6 nat POSTROUTING | grep '\-s fddd:1194:1194:1194::/64 '"'"'!'"'"' -d fddd:1194:1194:1194::/64' | grep -oE '[^ ]+$')
|
||||
firewall-cmd --zone=trusted --remove-source=fddd:1194:1194:1194::/64
|
||||
firewall-cmd --permanent --zone=trusted --remove-source=fddd:1194:1194:1194::/64
|
||||
firewall-cmd --direct --remove-rule ipv6 nat POSTROUTING 0 -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to "$ip6"
|
||||
firewall-cmd --permanent --direct --remove-rule ipv6 nat POSTROUTING 0 -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to "$ip6"
|
||||
fi
|
||||
else
|
||||
systemctl disable --now openvpn-iptables.service
|
||||
rm -f /etc/systemd/system/openvpn-iptables.service
|
||||
fi
|
||||
if sestatus 2>/dev/null | grep "Current mode" | grep -q "enforcing" && [[ "$port" != 1194 ]]; then
|
||||
semanage port -d -t openvpn_port_t -p "$protocol" "$port"
|
||||
fi
|
||||
systemctl disable --now openvpn-server@server.service
|
||||
rm -f /etc/systemd/system/openvpn-server@server.service.d/disable-limitnproc.conf
|
||||
rm -f /etc/sysctl.d/99-openvpn-forward.conf
|
||||
if [[ "$os" == "debian" || "$os" == "ubuntu" ]]; then
|
||||
rm -rf /etc/openvpn/server
|
||||
apt-get remove --purge -y openvpn
|
||||
else
|
||||
# Else, OS must be CentOS or Fedora
|
||||
yum remove -y openvpn
|
||||
rm -rf /etc/openvpn/server
|
||||
fi
|
||||
fi
|
||||
echo
|
||||
echo "OpenVPN removed!"
|
||||
else
|
||||
|
|
@ -568,4 +739,4 @@ else
|
|||
exit
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
fi
|
||||
331
openvpn-install.sh.diff
Normal file
331
openvpn-install.sh.diff
Normal file
|
|
@ -0,0 +1,331 @@
|
|||
--- openvpn-install.sh.orig 2023-11-04 23:10:18.964945448 -0400
|
||||
+++ openvpn-install.sh 2023-11-04 23:13:50.088945866 -0400
|
||||
@@ -3,7 +3,7 @@
|
||||
# https://github.com/Nyr/openvpn-install
|
||||
#
|
||||
# Copyright (c) 2013 Nyr. Released under the MIT License.
|
||||
-
|
||||
+# Slackware support added by JWSmythe v20231028.2034
|
||||
|
||||
# Detect Debian users running the script with "sh" instead of bash
|
||||
if readlink /proc/$$/exe | grep -q "dash"; then
|
||||
@@ -38,9 +38,13 @@
|
||||
os="fedora"
|
||||
os_version=$(grep -oE '[0-9]+' /etc/fedora-release | head -1)
|
||||
group_name="nobody"
|
||||
+elif grep -qs "slackware" /etc/os-release; then
|
||||
+ os="slackware"
|
||||
+ os_version=$(grep 'VERSION_ID' /etc/os-release | cut -d '"' -f 2 | tr -d '.')
|
||||
+ group_name="nobody"
|
||||
else
|
||||
echo "This installer seems to be running on an unsupported distribution.
|
||||
-Supported distros are Ubuntu, Debian, AlmaLinux, Rocky Linux, CentOS and Fedora."
|
||||
+Supported distros are Ubuntu, Debian, AlmaLinux, Rocky Linux, CentOS, Fedora, and Slackware."
|
||||
exit
|
||||
fi
|
||||
|
||||
@@ -68,6 +72,12 @@
|
||||
exit
|
||||
fi
|
||||
|
||||
+if [[ "$os" == "slackware" && "$os_version" -lt 14 ]]; then
|
||||
+ echo "Slackware 14.0 or higher is required to use this installer.
|
||||
+This version of Slackware is too old and unsupported."
|
||||
+ exit
|
||||
+fi
|
||||
+
|
||||
# Detect environments where $PATH does not include the sbin directories
|
||||
if ! grep -q sbin <<< "$PATH"; then
|
||||
echo '$PATH does not include sbin. Try using "su -" instead of "su".'
|
||||
@@ -85,6 +95,13 @@
|
||||
exit
|
||||
fi
|
||||
|
||||
+# Slackware's OpenVPN install doesn't include the server directory. Create it.
|
||||
+if [[ "$os" == "slackware" ]]; then
|
||||
+ if [ ! -d /etc/openvpn/server ]; then
|
||||
+ mkdir /etc/openvpn/server
|
||||
+ fi
|
||||
+fi
|
||||
+
|
||||
new_client () {
|
||||
# Generates the custom client.ovpn
|
||||
{
|
||||
@@ -208,6 +225,11 @@
|
||||
[[ -z "$client" ]] && client="client"
|
||||
echo
|
||||
echo "OpenVPN installation is ready to begin."
|
||||
+
|
||||
+ if [[ "$os" == "slackware" ]]; then
|
||||
+ # No systemctl for Slackware. Can't use the test.
|
||||
+ firewall="iptables"
|
||||
+ else
|
||||
# Install a firewall if firewalld or iptables are not already available
|
||||
if ! systemctl is-active --quiet firewalld.service && ! hash iptables 2>/dev/null; then
|
||||
if [[ "$os" == "centos" || "$os" == "fedora" ]]; then
|
||||
@@ -215,11 +237,13 @@
|
||||
# We don't want to silently enable firewalld, so we give a subtle warning
|
||||
# If the user continues, firewalld will be installed and enabled during setup
|
||||
echo "firewalld, which is required to manage routing tables, will also be installed."
|
||||
- elif [[ "$os" == "debian" || "$os" == "ubuntu" ]]; then
|
||||
+ elif [[ "$os" == "debian" || "$os" == "ubuntu" || "$os" == "slackware" ]]; then
|
||||
# iptables is way less invasive than firewalld so no warning is given
|
||||
firewall="iptables"
|
||||
fi
|
||||
fi
|
||||
+ fi
|
||||
+
|
||||
read -n1 -r -p "Press any key to continue..."
|
||||
# If running inside a container, disable LimitNPROC to prevent conflicts
|
||||
if systemd-detect-virt -cq; then
|
||||
@@ -227,12 +251,14 @@
|
||||
echo "[Service]
|
||||
LimitNPROC=infinity" > /etc/systemd/system/openvpn-server@server.service.d/disable-limitnproc.conf
|
||||
fi
|
||||
- if [[ "$os" = "debian" || "$os" = "ubuntu" ]]; then
|
||||
+ if [[ "$os" == "debian" || "$os" == "ubuntu" ]]; then
|
||||
apt-get update
|
||||
apt-get install -y --no-install-recommends openvpn openssl ca-certificates $firewall
|
||||
- elif [[ "$os" = "centos" ]]; then
|
||||
+ elif [[ "$os" == "centos" ]]; then
|
||||
yum install -y epel-release
|
||||
yum install -y openvpn openssl ca-certificates tar $firewall
|
||||
+ elif [[ "$os" == "slackware" ]]; then
|
||||
+ slackpkg install openvpn openssl ca-certificates tar $firewall
|
||||
else
|
||||
# Else, OS must be Fedora
|
||||
dnf install -y openvpn openssl ca-certificates tar $firewall
|
||||
@@ -271,16 +297,21 @@
|
||||
ssbzSibBsu/6iGtCOGEoXJf//////////wIBAg==
|
||||
-----END DH PARAMETERS-----' > /etc/openvpn/server/dh.pem
|
||||
# Generate server.conf
|
||||
+ # Note -JWS 20231027 server.conf should always have full paths to the
|
||||
+ # config files. Relative paths failed with Slackware's rc.openvpn, if it
|
||||
+ # is called from outside of the /etc/openvpn/server directory. This should
|
||||
+ # help users on other distros too.
|
||||
+
|
||||
echo "local $ip
|
||||
port $port
|
||||
proto $protocol
|
||||
dev tun
|
||||
-ca ca.crt
|
||||
-cert server.crt
|
||||
-key server.key
|
||||
-dh dh.pem
|
||||
+ca /etc/openvpn/server/ca.crt
|
||||
+cert /etc/openvpn/server/server.crt
|
||||
+key /etc/openvpn/server/server.key
|
||||
+dh /etc/openvpn/server/dh.pem
|
||||
auth SHA512
|
||||
-tls-crypt tc.key
|
||||
+tls-crypt /etc/openvpn/server/tc.key
|
||||
topology subnet
|
||||
server 10.8.0.0 255.255.255.0" > /etc/openvpn/server/server.conf
|
||||
# IPv6
|
||||
@@ -334,12 +365,18 @@
|
||||
persist-key
|
||||
persist-tun
|
||||
verb 3
|
||||
-crl-verify crl.pem" >> /etc/openvpn/server/server.conf
|
||||
+crl-verify /etc/openvpn/server/crl.pem" >> /etc/openvpn/server/server.conf
|
||||
if [[ "$protocol" = "udp" ]]; then
|
||||
echo "explicit-exit-notify" >> /etc/openvpn/server/server.conf
|
||||
fi
|
||||
# Enable net.ipv4.ip_forward for the system
|
||||
echo 'net.ipv4.ip_forward=1' > /etc/sysctl.d/99-openvpn-forward.conf
|
||||
+ if [[ "$os" == "slackware" ]]; then
|
||||
+ echo "Enabling /etc/rc.d/rc.ip_forward.
|
||||
+ "
|
||||
+ chmod 755 /etc/rc.d/rc.ip_forward
|
||||
+ /etc/rc.d/rc.ip_forward start
|
||||
+ fi
|
||||
# Enable without waiting for a reboot or service restart
|
||||
echo 1 > /proc/sys/net/ipv4/ip_forward
|
||||
if [[ -n "$ip6" ]]; then
|
||||
@@ -348,7 +385,14 @@
|
||||
# Enable without waiting for a reboot or service restart
|
||||
echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
|
||||
fi
|
||||
+ if [[ "$os" == "slackware" ]]; then
|
||||
+ echo "
|
||||
+ *** Slackware Admins: Disregard systemctl, systemd, and firewall-cmd errors below. ***
|
||||
+ "
|
||||
+ fi
|
||||
+
|
||||
if systemctl is-active --quiet firewalld.service; then
|
||||
+ # if systemctl is-active --quiet firewalld.service && [[ "$os" != "slackware" ]]; then
|
||||
# Using both permanent and not permanent rules to avoid a firewalld
|
||||
# reload.
|
||||
# We don't use --add-service=openvpn because that would only work with
|
||||
@@ -401,6 +445,83 @@
|
||||
WantedBy=multi-user.target" >> /etc/systemd/system/openvpn-iptables.service
|
||||
systemctl enable --now openvpn-iptables.service
|
||||
fi
|
||||
+ if [[ "$os" == "slackware" ]]; then
|
||||
+ out="#!/bin/sh
|
||||
+# Start/stop/restart the OpenVPN Routing
|
||||
+# 20231025 JWSmythe (https://jwsmythe.com) for https://github.com/Nyr/openvpn-install
|
||||
+# Copyright (c) 2013 Nyr. Released under the MIT License.
|
||||
+
|
||||
+routing_start() {
|
||||
+ $iptables_path -t nat -A POSTROUTING -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $ip
|
||||
+ $iptables_path -I INPUT -p $protocol --dport $port -j ACCEPT
|
||||
+ $iptables_path -I FORWARD -s 10.8.0.0/24 -j ACCEPT
|
||||
+ $iptables_path -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
|
||||
+"
|
||||
+ if [[ -n "$ip6" ]]; then
|
||||
+ out+="
|
||||
+ $ip6tables_path -t nat -A POSTROUTING -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to $ip6
|
||||
+ $ip6tables_path -I FORWARD -s fddd:1194:1194:1194::/64 -j ACCEPT
|
||||
+ $ip6tables_path -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
|
||||
+"
|
||||
+ fi
|
||||
+
|
||||
+out+="}
|
||||
+
|
||||
+routing_stop() {
|
||||
+ $iptables_path -t nat -D POSTROUTING -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $ip
|
||||
+ $iptables_path -D INPUT -p $protocol --dport $port -j ACCEPT
|
||||
+ $iptables_path -D FORWARD -s 10.8.0.0/24 -j ACCEPT
|
||||
+ $iptables_path -D FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
|
||||
+ $iptables_path -F
|
||||
+ $iptables_path -t nat -F
|
||||
+"
|
||||
+
|
||||
+ if [[ -n "$ip6" ]]; then
|
||||
+ out+="
|
||||
+ $ip6tables_path -t nat -D POSTROUTING -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to $ip6
|
||||
+ $ip6tables_path -D FORWARD -s fddd:1194:1194:1194::/64 -j ACCEPT
|
||||
+ $ip6tables_path -D FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
|
||||
+ $ip6tables_path -F
|
||||
+ $ip6tables_path -t nat -F
|
||||
+ "
|
||||
+ fi
|
||||
+
|
||||
+ out+="}
|
||||
+
|
||||
+routing_restart() {
|
||||
+ routing_stop
|
||||
+ sleep 1
|
||||
+ routing_start
|
||||
+}
|
||||
+
|
||||
+case \"\$1\" in
|
||||
+'start')
|
||||
+ routing_start
|
||||
+ ;;
|
||||
+'stop')
|
||||
+ routing_stop
|
||||
+ ;;
|
||||
+'restart')
|
||||
+ routing_restart
|
||||
+ ;;
|
||||
+*)
|
||||
+ echo \"usage $0 start|stop|restart\"
|
||||
+esac
|
||||
+"
|
||||
+ if [[ ! -f /etc/rc.d/rc.ovpn_routing ]]; then
|
||||
+ echo "Writing startup routing to /etc/rc.d/rc.ovpn_routing"
|
||||
+ echo "$out" > /etc/rc.d/rc.ovpn_routing
|
||||
+ chmod 755 /etc/rc.d/rc.ovpn_routing
|
||||
+ /etc/rc.d/rc.ovpn_routing
|
||||
+ else
|
||||
+ echo "!!! Writing startup routing to /etc/rc.d/rc.ovpn_routing.new !!!"
|
||||
+ echo " You need to copy it over and run it."
|
||||
+ echo "$out" > /etc/rc.d/rc.ovpn_routing.new
|
||||
+ fi
|
||||
+
|
||||
+
|
||||
+ fi
|
||||
+
|
||||
# If SELinux is enabled and a custom port was selected, we need this
|
||||
if sestatus 2>/dev/null | grep "Current mode" | grep -q "enforcing" && [[ "$port" != 1194 ]]; then
|
||||
# Install semanage if not already present
|
||||
@@ -431,7 +552,17 @@
|
||||
ignore-unknown-option block-outside-dns
|
||||
verb 3" > /etc/openvpn/server/client-common.txt
|
||||
# Enable and start the OpenVPN service
|
||||
+ if [[ "$os" == "slackware" ]]; then
|
||||
+ echo "iii Starting up services. rc.openvpn and rc.ovpn_routing "
|
||||
+ echo "!!! You need to add them to rc.local, so they will run at boot time !!!"
|
||||
+ # Make sure they're executable
|
||||
+ chmod 755 /etc/rc.d/rc.openvpn
|
||||
+ chmod 755 /etc/rc.d/rc.ovpn_routing
|
||||
+ /etc/rc.d/rc.openvpn start /etc/openvpn/server/server.conf
|
||||
+ /etc/rc.d/rc.ovpn_routing start
|
||||
+ else
|
||||
systemctl enable --now openvpn-server@server.service
|
||||
+ fi
|
||||
# Generates the custom client.ovpn
|
||||
new_client
|
||||
echo
|
||||
@@ -439,6 +570,33 @@
|
||||
echo
|
||||
echo "The client configuration is available in:" ~/"$client.ovpn"
|
||||
echo "New clients can be added by running this script again."
|
||||
+
|
||||
+ if [[ "$os" == "slackware" ]]; then
|
||||
+ echo "
|
||||
+ ************************************************************
|
||||
+ !!!!! Slackware Admins !!!!!
|
||||
+ ************************************************************
|
||||
+ If this isn't the first time you've run this script, you may need to
|
||||
+ overwrite rc.ovpn_routing with rc.ovpn_routing.new. It was left in case
|
||||
+ you made customizations.
|
||||
+
|
||||
+ You need to add these lines to the end of your /etc/rc.d/rc.local,
|
||||
+ so OpenVPN will start, and it will route the VPN clients correctly.
|
||||
+
|
||||
+ #==== Begin /etc/rc.d/rc.local lines =======================
|
||||
+ # Start OpenVPN Server
|
||||
+ if [ -x /etc/rc.d/rc.openvpn ]; then
|
||||
+ . /etc/rc.d/rc.openvpn start /etc/openvpn/server/server.conf
|
||||
+ fi
|
||||
+
|
||||
+ # Start OpenVPN Routing
|
||||
+ if [ -x /etc/rc.d/rc.ovpn_routing ]; then
|
||||
+ . /etc/rc.d/rc.ovpn_routing start
|
||||
+ fi
|
||||
+ #===== END /etc/rc.d/rc.local lines ========================
|
||||
+ ************************************************************
|
||||
+ "
|
||||
+ fi
|
||||
else
|
||||
clear
|
||||
echo "OpenVPN is already installed."
|
||||
@@ -522,6 +680,18 @@
|
||||
if [[ "$remove" =~ ^[yY]$ ]]; then
|
||||
port=$(grep '^port ' /etc/openvpn/server/server.conf | cut -d " " -f 2)
|
||||
protocol=$(grep '^proto ' /etc/openvpn/server/server.conf | cut -d " " -f 2)
|
||||
+ if [[ "$os" == "slackware" ]]; then
|
||||
+ # Re-enabling so the stops will work. Disabling immediately after.
|
||||
+ chmod 755 /etc/rc.d/rc.openvpn
|
||||
+ chmod 755 /etc/rc.d/rc.ovpn_routing
|
||||
+ /etc/rc.d/rc.ovpn_routing stop
|
||||
+ /etc/rc.d/rc.openvpn stop
|
||||
+ rm -rf /etc/openvpn/server
|
||||
+ chmod 644 /etc/rc.d/rc.openvpn
|
||||
+ chmod 644 /etc/rc.d/rc.ovpn_routing
|
||||
+ # We're not uninstalling anything. The user can if they want.
|
||||
+ # slackpkg remove openvpn
|
||||
+ else
|
||||
if systemctl is-active --quiet firewalld.service; then
|
||||
ip=$(firewall-cmd --direct --get-rules ipv4 nat POSTROUTING | grep '\-s 10.8.0.0/24 '"'"'!'"'"' -d 10.8.0.0/24' | grep -oE '[^ ]+$')
|
||||
# Using both permanent and not permanent rules to avoid a firewalld reload.
|
||||
@@ -548,7 +718,7 @@
|
||||
systemctl disable --now openvpn-server@server.service
|
||||
rm -f /etc/systemd/system/openvpn-server@server.service.d/disable-limitnproc.conf
|
||||
rm -f /etc/sysctl.d/99-openvpn-forward.conf
|
||||
- if [[ "$os" = "debian" || "$os" = "ubuntu" ]]; then
|
||||
+ if [[ "$os" == "debian" || "$os" == "ubuntu" ]]; then
|
||||
rm -rf /etc/openvpn/server
|
||||
apt-get remove --purge -y openvpn
|
||||
else
|
||||
@@ -556,6 +726,7 @@
|
||||
yum remove -y openvpn
|
||||
rm -rf /etc/openvpn/server
|
||||
fi
|
||||
+ fi
|
||||
echo
|
||||
echo "OpenVPN removed!"
|
||||
else
|
||||
571
openvpn-install.sh.orig
Normal file
571
openvpn-install.sh.orig
Normal file
|
|
@ -0,0 +1,571 @@
|
|||
#!/bin/bash
|
||||
#
|
||||
# https://github.com/Nyr/openvpn-install
|
||||
#
|
||||
# Copyright (c) 2013 Nyr. Released under the MIT License.
|
||||
|
||||
|
||||
# Detect Debian users running the script with "sh" instead of bash
|
||||
if readlink /proc/$$/exe | grep -q "dash"; then
|
||||
echo 'This installer needs to be run with "bash", not "sh".'
|
||||
exit
|
||||
fi
|
||||
|
||||
# Discard stdin. Needed when running from an one-liner which includes a newline
|
||||
read -N 999999 -t 0.001
|
||||
|
||||
# Detect OpenVZ 6
|
||||
if [[ $(uname -r | cut -d "." -f 1) -eq 2 ]]; then
|
||||
echo "The system is running an old kernel, which is incompatible with this installer."
|
||||
exit
|
||||
fi
|
||||
|
||||
# Detect OS
|
||||
# $os_version variables aren't always in use, but are kept here for convenience
|
||||
if grep -qs "ubuntu" /etc/os-release; then
|
||||
os="ubuntu"
|
||||
os_version=$(grep 'VERSION_ID' /etc/os-release | cut -d '"' -f 2 | tr -d '.')
|
||||
group_name="nogroup"
|
||||
elif [[ -e /etc/debian_version ]]; then
|
||||
os="debian"
|
||||
os_version=$(grep -oE '[0-9]+' /etc/debian_version | head -1)
|
||||
group_name="nogroup"
|
||||
elif [[ -e /etc/almalinux-release || -e /etc/rocky-release || -e /etc/centos-release ]]; then
|
||||
os="centos"
|
||||
os_version=$(grep -shoE '[0-9]+' /etc/almalinux-release /etc/rocky-release /etc/centos-release | head -1)
|
||||
group_name="nobody"
|
||||
elif [[ -e /etc/fedora-release ]]; then
|
||||
os="fedora"
|
||||
os_version=$(grep -oE '[0-9]+' /etc/fedora-release | head -1)
|
||||
group_name="nobody"
|
||||
else
|
||||
echo "This installer seems to be running on an unsupported distribution.
|
||||
Supported distros are Ubuntu, Debian, AlmaLinux, Rocky Linux, CentOS and Fedora."
|
||||
exit
|
||||
fi
|
||||
|
||||
if [[ "$os" == "ubuntu" && "$os_version" -lt 1804 ]]; then
|
||||
echo "Ubuntu 18.04 or higher is required to use this installer.
|
||||
This version of Ubuntu is too old and unsupported."
|
||||
exit
|
||||
fi
|
||||
|
||||
if [[ "$os" == "debian" ]]; then
|
||||
if grep -q '/sid' /etc/debian_version; then
|
||||
echo "Debian Testing and Debian Unstable are unsupported by this installer."
|
||||
exit
|
||||
fi
|
||||
if [[ "$os_version" -lt 9 ]]; then
|
||||
echo "Debian 9 or higher is required to use this installer.
|
||||
This version of Debian is too old and unsupported."
|
||||
exit
|
||||
fi
|
||||
fi
|
||||
|
||||
if [[ "$os" == "centos" && "$os_version" -lt 7 ]]; then
|
||||
echo "CentOS 7 or higher is required to use this installer.
|
||||
This version of CentOS is too old and unsupported."
|
||||
exit
|
||||
fi
|
||||
|
||||
# Detect environments where $PATH does not include the sbin directories
|
||||
if ! grep -q sbin <<< "$PATH"; then
|
||||
echo '$PATH does not include sbin. Try using "su -" instead of "su".'
|
||||
exit
|
||||
fi
|
||||
|
||||
if [[ "$EUID" -ne 0 ]]; then
|
||||
echo "This installer needs to be run with superuser privileges."
|
||||
exit
|
||||
fi
|
||||
|
||||
if [[ ! -e /dev/net/tun ]] || ! ( exec 7<>/dev/net/tun ) 2>/dev/null; then
|
||||
echo "The system does not have the TUN device available.
|
||||
TUN needs to be enabled before running this installer."
|
||||
exit
|
||||
fi
|
||||
|
||||
new_client () {
|
||||
# Generates the custom client.ovpn
|
||||
{
|
||||
cat /etc/openvpn/server/client-common.txt
|
||||
echo "<ca>"
|
||||
cat /etc/openvpn/server/easy-rsa/pki/ca.crt
|
||||
echo "</ca>"
|
||||
echo "<cert>"
|
||||
sed -ne '/BEGIN CERTIFICATE/,$ p' /etc/openvpn/server/easy-rsa/pki/issued/"$client".crt
|
||||
echo "</cert>"
|
||||
echo "<key>"
|
||||
cat /etc/openvpn/server/easy-rsa/pki/private/"$client".key
|
||||
echo "</key>"
|
||||
echo "<tls-crypt>"
|
||||
sed -ne '/BEGIN OpenVPN Static key/,$ p' /etc/openvpn/server/tc.key
|
||||
echo "</tls-crypt>"
|
||||
} > ~/"$client".ovpn
|
||||
}
|
||||
|
||||
if [[ ! -e /etc/openvpn/server/server.conf ]]; then
|
||||
# Detect some Debian minimal setups where neither wget nor curl are installed
|
||||
if ! hash wget 2>/dev/null && ! hash curl 2>/dev/null; then
|
||||
echo "Wget is required to use this installer."
|
||||
read -n1 -r -p "Press any key to install Wget and continue..."
|
||||
apt-get update
|
||||
apt-get install -y wget
|
||||
fi
|
||||
clear
|
||||
echo 'Welcome to this OpenVPN road warrior installer!'
|
||||
# If system has a single IPv4, it is selected automatically. Else, ask the user
|
||||
if [[ $(ip -4 addr | grep inet | grep -vEc '127(\.[0-9]{1,3}){3}') -eq 1 ]]; then
|
||||
ip=$(ip -4 addr | grep inet | grep -vE '127(\.[0-9]{1,3}){3}' | cut -d '/' -f 1 | grep -oE '[0-9]{1,3}(\.[0-9]{1,3}){3}')
|
||||
else
|
||||
number_of_ip=$(ip -4 addr | grep inet | grep -vEc '127(\.[0-9]{1,3}){3}')
|
||||
echo
|
||||
echo "Which IPv4 address should be used?"
|
||||
ip -4 addr | grep inet | grep -vE '127(\.[0-9]{1,3}){3}' | cut -d '/' -f 1 | grep -oE '[0-9]{1,3}(\.[0-9]{1,3}){3}' | nl -s ') '
|
||||
read -p "IPv4 address [1]: " ip_number
|
||||
until [[ -z "$ip_number" || "$ip_number" =~ ^[0-9]+$ && "$ip_number" -le "$number_of_ip" ]]; do
|
||||
echo "$ip_number: invalid selection."
|
||||
read -p "IPv4 address [1]: " ip_number
|
||||
done
|
||||
[[ -z "$ip_number" ]] && ip_number="1"
|
||||
ip=$(ip -4 addr | grep inet | grep -vE '127(\.[0-9]{1,3}){3}' | cut -d '/' -f 1 | grep -oE '[0-9]{1,3}(\.[0-9]{1,3}){3}' | sed -n "$ip_number"p)
|
||||
fi
|
||||
# If $ip is a private IP address, the server must be behind NAT
|
||||
if echo "$ip" | grep -qE '^(10\.|172\.1[6789]\.|172\.2[0-9]\.|172\.3[01]\.|192\.168)'; then
|
||||
echo
|
||||
echo "This server is behind NAT. What is the public IPv4 address or hostname?"
|
||||
# Get public IP and sanitize with grep
|
||||
get_public_ip=$(grep -m 1 -oE '^[0-9]{1,3}(\.[0-9]{1,3}){3}$' <<< "$(wget -T 10 -t 1 -4qO- "http://ip1.dynupdate.no-ip.com/" || curl -m 10 -4Ls "http://ip1.dynupdate.no-ip.com/")")
|
||||
read -p "Public IPv4 address / hostname [$get_public_ip]: " public_ip
|
||||
# If the checkip service is unavailable and user didn't provide input, ask again
|
||||
until [[ -n "$get_public_ip" || -n "$public_ip" ]]; do
|
||||
echo "Invalid input."
|
||||
read -p "Public IPv4 address / hostname: " public_ip
|
||||
done
|
||||
[[ -z "$public_ip" ]] && public_ip="$get_public_ip"
|
||||
fi
|
||||
# If system has a single IPv6, it is selected automatically
|
||||
if [[ $(ip -6 addr | grep -c 'inet6 [23]') -eq 1 ]]; then
|
||||
ip6=$(ip -6 addr | grep 'inet6 [23]' | cut -d '/' -f 1 | grep -oE '([0-9a-fA-F]{0,4}:){1,7}[0-9a-fA-F]{0,4}')
|
||||
fi
|
||||
# If system has multiple IPv6, ask the user to select one
|
||||
if [[ $(ip -6 addr | grep -c 'inet6 [23]') -gt 1 ]]; then
|
||||
number_of_ip6=$(ip -6 addr | grep -c 'inet6 [23]')
|
||||
echo
|
||||
echo "Which IPv6 address should be used?"
|
||||
ip -6 addr | grep 'inet6 [23]' | cut -d '/' -f 1 | grep -oE '([0-9a-fA-F]{0,4}:){1,7}[0-9a-fA-F]{0,4}' | nl -s ') '
|
||||
read -p "IPv6 address [1]: " ip6_number
|
||||
until [[ -z "$ip6_number" || "$ip6_number" =~ ^[0-9]+$ && "$ip6_number" -le "$number_of_ip6" ]]; do
|
||||
echo "$ip6_number: invalid selection."
|
||||
read -p "IPv6 address [1]: " ip6_number
|
||||
done
|
||||
[[ -z "$ip6_number" ]] && ip6_number="1"
|
||||
ip6=$(ip -6 addr | grep 'inet6 [23]' | cut -d '/' -f 1 | grep -oE '([0-9a-fA-F]{0,4}:){1,7}[0-9a-fA-F]{0,4}' | sed -n "$ip6_number"p)
|
||||
fi
|
||||
echo
|
||||
echo "Which protocol should OpenVPN use?"
|
||||
echo " 1) UDP (recommended)"
|
||||
echo " 2) TCP"
|
||||
read -p "Protocol [1]: " protocol
|
||||
until [[ -z "$protocol" || "$protocol" =~ ^[12]$ ]]; do
|
||||
echo "$protocol: invalid selection."
|
||||
read -p "Protocol [1]: " protocol
|
||||
done
|
||||
case "$protocol" in
|
||||
1|"")
|
||||
protocol=udp
|
||||
;;
|
||||
2)
|
||||
protocol=tcp
|
||||
;;
|
||||
esac
|
||||
echo
|
||||
echo "What port should OpenVPN listen to?"
|
||||
read -p "Port [1194]: " port
|
||||
until [[ -z "$port" || "$port" =~ ^[0-9]+$ && "$port" -le 65535 ]]; do
|
||||
echo "$port: invalid port."
|
||||
read -p "Port [1194]: " port
|
||||
done
|
||||
[[ -z "$port" ]] && port="1194"
|
||||
echo
|
||||
echo "Select a DNS server for the clients:"
|
||||
echo " 1) Current system resolvers"
|
||||
echo " 2) Google"
|
||||
echo " 3) 1.1.1.1"
|
||||
echo " 4) OpenDNS"
|
||||
echo " 5) Quad9"
|
||||
echo " 6) AdGuard"
|
||||
read -p "DNS server [1]: " dns
|
||||
until [[ -z "$dns" || "$dns" =~ ^[1-6]$ ]]; do
|
||||
echo "$dns: invalid selection."
|
||||
read -p "DNS server [1]: " dns
|
||||
done
|
||||
echo
|
||||
echo "Enter a name for the first client:"
|
||||
read -p "Name [client]: " unsanitized_client
|
||||
# Allow a limited set of characters to avoid conflicts
|
||||
client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client")
|
||||
[[ -z "$client" ]] && client="client"
|
||||
echo
|
||||
echo "OpenVPN installation is ready to begin."
|
||||
# Install a firewall if firewalld or iptables are not already available
|
||||
if ! systemctl is-active --quiet firewalld.service && ! hash iptables 2>/dev/null; then
|
||||
if [[ "$os" == "centos" || "$os" == "fedora" ]]; then
|
||||
firewall="firewalld"
|
||||
# We don't want to silently enable firewalld, so we give a subtle warning
|
||||
# If the user continues, firewalld will be installed and enabled during setup
|
||||
echo "firewalld, which is required to manage routing tables, will also be installed."
|
||||
elif [[ "$os" == "debian" || "$os" == "ubuntu" ]]; then
|
||||
# iptables is way less invasive than firewalld so no warning is given
|
||||
firewall="iptables"
|
||||
fi
|
||||
fi
|
||||
read -n1 -r -p "Press any key to continue..."
|
||||
# If running inside a container, disable LimitNPROC to prevent conflicts
|
||||
if systemd-detect-virt -cq; then
|
||||
mkdir /etc/systemd/system/openvpn-server@server.service.d/ 2>/dev/null
|
||||
echo "[Service]
|
||||
LimitNPROC=infinity" > /etc/systemd/system/openvpn-server@server.service.d/disable-limitnproc.conf
|
||||
fi
|
||||
if [[ "$os" = "debian" || "$os" = "ubuntu" ]]; then
|
||||
apt-get update
|
||||
apt-get install -y --no-install-recommends openvpn openssl ca-certificates $firewall
|
||||
elif [[ "$os" = "centos" ]]; then
|
||||
yum install -y epel-release
|
||||
yum install -y openvpn openssl ca-certificates tar $firewall
|
||||
else
|
||||
# Else, OS must be Fedora
|
||||
dnf install -y openvpn openssl ca-certificates tar $firewall
|
||||
fi
|
||||
# If firewalld was just installed, enable it
|
||||
if [[ "$firewall" == "firewalld" ]]; then
|
||||
systemctl enable --now firewalld.service
|
||||
fi
|
||||
# Get easy-rsa
|
||||
easy_rsa_url='https://github.com/OpenVPN/easy-rsa/releases/download/v3.1.7/EasyRSA-3.1.7.tgz'
|
||||
mkdir -p /etc/openvpn/server/easy-rsa/
|
||||
{ wget -qO- "$easy_rsa_url" 2>/dev/null || curl -sL "$easy_rsa_url" ; } | tar xz -C /etc/openvpn/server/easy-rsa/ --strip-components 1
|
||||
chown -R root:root /etc/openvpn/server/easy-rsa/
|
||||
cd /etc/openvpn/server/easy-rsa/
|
||||
# Create the PKI, set up the CA and the server and client certificates
|
||||
./easyrsa --batch init-pki
|
||||
./easyrsa --batch build-ca nopass
|
||||
./easyrsa --batch --days=3650 build-server-full server nopass
|
||||
./easyrsa --batch --days=3650 build-client-full "$client" nopass
|
||||
./easyrsa --batch --days=3650 gen-crl
|
||||
# Move the stuff we need
|
||||
cp pki/ca.crt pki/private/ca.key pki/issued/server.crt pki/private/server.key pki/crl.pem /etc/openvpn/server
|
||||
# CRL is read with each client connection, while OpenVPN is dropped to nobody
|
||||
chown nobody:"$group_name" /etc/openvpn/server/crl.pem
|
||||
# Without +x in the directory, OpenVPN can't run a stat() on the CRL file
|
||||
chmod o+x /etc/openvpn/server/
|
||||
# Generate key for tls-crypt
|
||||
openvpn --genkey --secret /etc/openvpn/server/tc.key
|
||||
# Create the DH parameters file using the predefined ffdhe2048 group
|
||||
echo '-----BEGIN DH PARAMETERS-----
|
||||
MIIBCAKCAQEA//////////+t+FRYortKmq/cViAnPTzx2LnFg84tNpWp4TZBFGQz
|
||||
+8yTnc4kmz75fS/jY2MMddj2gbICrsRhetPfHtXV/WVhJDP1H18GbtCFY2VVPe0a
|
||||
87VXE15/V8k1mE8McODmi3fipona8+/och3xWKE2rec1MKzKT0g6eXq8CrGCsyT7
|
||||
YdEIqUuyyOP7uWrat2DX9GgdT0Kj3jlN9K5W7edjcrsZCwenyO4KbXCeAvzhzffi
|
||||
7MA0BM0oNC9hkXL+nOmFg/+OTxIy7vKBg8P+OxtMb61zO7X8vC7CIAXFjvGDfRaD
|
||||
ssbzSibBsu/6iGtCOGEoXJf//////////wIBAg==
|
||||
-----END DH PARAMETERS-----' > /etc/openvpn/server/dh.pem
|
||||
# Generate server.conf
|
||||
echo "local $ip
|
||||
port $port
|
||||
proto $protocol
|
||||
dev tun
|
||||
ca ca.crt
|
||||
cert server.crt
|
||||
key server.key
|
||||
dh dh.pem
|
||||
auth SHA512
|
||||
tls-crypt tc.key
|
||||
topology subnet
|
||||
server 10.8.0.0 255.255.255.0" > /etc/openvpn/server/server.conf
|
||||
# IPv6
|
||||
if [[ -z "$ip6" ]]; then
|
||||
echo 'push "redirect-gateway def1 bypass-dhcp"' >> /etc/openvpn/server/server.conf
|
||||
else
|
||||
echo 'server-ipv6 fddd:1194:1194:1194::/64' >> /etc/openvpn/server/server.conf
|
||||
echo 'push "redirect-gateway def1 ipv6 bypass-dhcp"' >> /etc/openvpn/server/server.conf
|
||||
fi
|
||||
echo 'ifconfig-pool-persist ipp.txt' >> /etc/openvpn/server/server.conf
|
||||
# DNS
|
||||
case "$dns" in
|
||||
1|"")
|
||||
# Locate the proper resolv.conf
|
||||
# Needed for systems running systemd-resolved
|
||||
if grep '^nameserver' "/etc/resolv.conf" | grep -qv '127.0.0.53' ; then
|
||||
resolv_conf="/etc/resolv.conf"
|
||||
else
|
||||
resolv_conf="/run/systemd/resolve/resolv.conf"
|
||||
fi
|
||||
# Obtain the resolvers from resolv.conf and use them for OpenVPN
|
||||
grep -v '^#\|^;' "$resolv_conf" | grep '^nameserver' | grep -v '127.0.0.53' | grep -oE '[0-9]{1,3}(\.[0-9]{1,3}){3}' | while read line; do
|
||||
echo "push \"dhcp-option DNS $line\"" >> /etc/openvpn/server/server.conf
|
||||
done
|
||||
;;
|
||||
2)
|
||||
echo 'push "dhcp-option DNS 8.8.8.8"' >> /etc/openvpn/server/server.conf
|
||||
echo 'push "dhcp-option DNS 8.8.4.4"' >> /etc/openvpn/server/server.conf
|
||||
;;
|
||||
3)
|
||||
echo 'push "dhcp-option DNS 1.1.1.1"' >> /etc/openvpn/server/server.conf
|
||||
echo 'push "dhcp-option DNS 1.0.0.1"' >> /etc/openvpn/server/server.conf
|
||||
;;
|
||||
4)
|
||||
echo 'push "dhcp-option DNS 208.67.222.222"' >> /etc/openvpn/server/server.conf
|
||||
echo 'push "dhcp-option DNS 208.67.220.220"' >> /etc/openvpn/server/server.conf
|
||||
;;
|
||||
5)
|
||||
echo 'push "dhcp-option DNS 9.9.9.9"' >> /etc/openvpn/server/server.conf
|
||||
echo 'push "dhcp-option DNS 149.112.112.112"' >> /etc/openvpn/server/server.conf
|
||||
;;
|
||||
6)
|
||||
echo 'push "dhcp-option DNS 94.140.14.14"' >> /etc/openvpn/server/server.conf
|
||||
echo 'push "dhcp-option DNS 94.140.15.15"' >> /etc/openvpn/server/server.conf
|
||||
;;
|
||||
esac
|
||||
echo 'push "block-outside-dns"' >> /etc/openvpn/server/server.conf
|
||||
echo "keepalive 10 120
|
||||
user nobody
|
||||
group $group_name
|
||||
persist-key
|
||||
persist-tun
|
||||
verb 3
|
||||
crl-verify crl.pem" >> /etc/openvpn/server/server.conf
|
||||
if [[ "$protocol" = "udp" ]]; then
|
||||
echo "explicit-exit-notify" >> /etc/openvpn/server/server.conf
|
||||
fi
|
||||
# Enable net.ipv4.ip_forward for the system
|
||||
echo 'net.ipv4.ip_forward=1' > /etc/sysctl.d/99-openvpn-forward.conf
|
||||
# Enable without waiting for a reboot or service restart
|
||||
echo 1 > /proc/sys/net/ipv4/ip_forward
|
||||
if [[ -n "$ip6" ]]; then
|
||||
# Enable net.ipv6.conf.all.forwarding for the system
|
||||
echo "net.ipv6.conf.all.forwarding=1" >> /etc/sysctl.d/99-openvpn-forward.conf
|
||||
# Enable without waiting for a reboot or service restart
|
||||
echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
|
||||
fi
|
||||
if systemctl is-active --quiet firewalld.service; then
|
||||
# Using both permanent and not permanent rules to avoid a firewalld
|
||||
# reload.
|
||||
# We don't use --add-service=openvpn because that would only work with
|
||||
# the default port and protocol.
|
||||
firewall-cmd --add-port="$port"/"$protocol"
|
||||
firewall-cmd --zone=trusted --add-source=10.8.0.0/24
|
||||
firewall-cmd --permanent --add-port="$port"/"$protocol"
|
||||
firewall-cmd --permanent --zone=trusted --add-source=10.8.0.0/24
|
||||
# Set NAT for the VPN subnet
|
||||
firewall-cmd --direct --add-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to "$ip"
|
||||
firewall-cmd --permanent --direct --add-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to "$ip"
|
||||
if [[ -n "$ip6" ]]; then
|
||||
firewall-cmd --zone=trusted --add-source=fddd:1194:1194:1194::/64
|
||||
firewall-cmd --permanent --zone=trusted --add-source=fddd:1194:1194:1194::/64
|
||||
firewall-cmd --direct --add-rule ipv6 nat POSTROUTING 0 -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to "$ip6"
|
||||
firewall-cmd --permanent --direct --add-rule ipv6 nat POSTROUTING 0 -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to "$ip6"
|
||||
fi
|
||||
else
|
||||
# Create a service to set up persistent iptables rules
|
||||
iptables_path=$(command -v iptables)
|
||||
ip6tables_path=$(command -v ip6tables)
|
||||
# nf_tables is not available as standard in OVZ kernels. So use iptables-legacy
|
||||
# if we are in OVZ, with a nf_tables backend and iptables-legacy is available.
|
||||
if [[ $(systemd-detect-virt) == "openvz" ]] && readlink -f "$(command -v iptables)" | grep -q "nft" && hash iptables-legacy 2>/dev/null; then
|
||||
iptables_path=$(command -v iptables-legacy)
|
||||
ip6tables_path=$(command -v ip6tables-legacy)
|
||||
fi
|
||||
echo "[Unit]
|
||||
Before=network.target
|
||||
[Service]
|
||||
Type=oneshot
|
||||
ExecStart=$iptables_path -t nat -A POSTROUTING -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $ip
|
||||
ExecStart=$iptables_path -I INPUT -p $protocol --dport $port -j ACCEPT
|
||||
ExecStart=$iptables_path -I FORWARD -s 10.8.0.0/24 -j ACCEPT
|
||||
ExecStart=$iptables_path -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
|
||||
ExecStop=$iptables_path -t nat -D POSTROUTING -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $ip
|
||||
ExecStop=$iptables_path -D INPUT -p $protocol --dport $port -j ACCEPT
|
||||
ExecStop=$iptables_path -D FORWARD -s 10.8.0.0/24 -j ACCEPT
|
||||
ExecStop=$iptables_path -D FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT" > /etc/systemd/system/openvpn-iptables.service
|
||||
if [[ -n "$ip6" ]]; then
|
||||
echo "ExecStart=$ip6tables_path -t nat -A POSTROUTING -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to $ip6
|
||||
ExecStart=$ip6tables_path -I FORWARD -s fddd:1194:1194:1194::/64 -j ACCEPT
|
||||
ExecStart=$ip6tables_path -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
|
||||
ExecStop=$ip6tables_path -t nat -D POSTROUTING -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to $ip6
|
||||
ExecStop=$ip6tables_path -D FORWARD -s fddd:1194:1194:1194::/64 -j ACCEPT
|
||||
ExecStop=$ip6tables_path -D FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT" >> /etc/systemd/system/openvpn-iptables.service
|
||||
fi
|
||||
echo "RemainAfterExit=yes
|
||||
[Install]
|
||||
WantedBy=multi-user.target" >> /etc/systemd/system/openvpn-iptables.service
|
||||
systemctl enable --now openvpn-iptables.service
|
||||
fi
|
||||
# If SELinux is enabled and a custom port was selected, we need this
|
||||
if sestatus 2>/dev/null | grep "Current mode" | grep -q "enforcing" && [[ "$port" != 1194 ]]; then
|
||||
# Install semanage if not already present
|
||||
if ! hash semanage 2>/dev/null; then
|
||||
if [[ "$os_version" -eq 7 ]]; then
|
||||
# Centos 7
|
||||
yum install -y policycoreutils-python
|
||||
else
|
||||
# CentOS 8 or Fedora
|
||||
dnf install -y policycoreutils-python-utils
|
||||
fi
|
||||
fi
|
||||
semanage port -a -t openvpn_port_t -p "$protocol" "$port"
|
||||
fi
|
||||
# If the server is behind NAT, use the correct IP address
|
||||
[[ -n "$public_ip" ]] && ip="$public_ip"
|
||||
# client-common.txt is created so we have a template to add further users later
|
||||
echo "client
|
||||
dev tun
|
||||
proto $protocol
|
||||
remote $ip $port
|
||||
resolv-retry infinite
|
||||
nobind
|
||||
persist-key
|
||||
persist-tun
|
||||
remote-cert-tls server
|
||||
auth SHA512
|
||||
ignore-unknown-option block-outside-dns
|
||||
verb 3" > /etc/openvpn/server/client-common.txt
|
||||
# Enable and start the OpenVPN service
|
||||
systemctl enable --now openvpn-server@server.service
|
||||
# Generates the custom client.ovpn
|
||||
new_client
|
||||
echo
|
||||
echo "Finished!"
|
||||
echo
|
||||
echo "The client configuration is available in:" ~/"$client.ovpn"
|
||||
echo "New clients can be added by running this script again."
|
||||
else
|
||||
clear
|
||||
echo "OpenVPN is already installed."
|
||||
echo
|
||||
echo "Select an option:"
|
||||
echo " 1) Add a new client"
|
||||
echo " 2) Revoke an existing client"
|
||||
echo " 3) Remove OpenVPN"
|
||||
echo " 4) Exit"
|
||||
read -p "Option: " option
|
||||
until [[ "$option" =~ ^[1-4]$ ]]; do
|
||||
echo "$option: invalid selection."
|
||||
read -p "Option: " option
|
||||
done
|
||||
case "$option" in
|
||||
1)
|
||||
echo
|
||||
echo "Provide a name for the client:"
|
||||
read -p "Name: " unsanitized_client
|
||||
client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client")
|
||||
while [[ -z "$client" || -e /etc/openvpn/server/easy-rsa/pki/issued/"$client".crt ]]; do
|
||||
echo "$client: invalid name."
|
||||
read -p "Name: " unsanitized_client
|
||||
client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client")
|
||||
done
|
||||
cd /etc/openvpn/server/easy-rsa/
|
||||
./easyrsa --batch --days=3650 build-client-full "$client" nopass
|
||||
# Generates the custom client.ovpn
|
||||
new_client
|
||||
echo
|
||||
echo "$client added. Configuration available in:" ~/"$client.ovpn"
|
||||
exit
|
||||
;;
|
||||
2)
|
||||
# This option could be documented a bit better and maybe even be simplified
|
||||
# ...but what can I say, I want some sleep too
|
||||
number_of_clients=$(tail -n +2 /etc/openvpn/server/easy-rsa/pki/index.txt | grep -c "^V")
|
||||
if [[ "$number_of_clients" = 0 ]]; then
|
||||
echo
|
||||
echo "There are no existing clients!"
|
||||
exit
|
||||
fi
|
||||
echo
|
||||
echo "Select the client to revoke:"
|
||||
tail -n +2 /etc/openvpn/server/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | nl -s ') '
|
||||
read -p "Client: " client_number
|
||||
until [[ "$client_number" =~ ^[0-9]+$ && "$client_number" -le "$number_of_clients" ]]; do
|
||||
echo "$client_number: invalid selection."
|
||||
read -p "Client: " client_number
|
||||
done
|
||||
client=$(tail -n +2 /etc/openvpn/server/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | sed -n "$client_number"p)
|
||||
echo
|
||||
read -p "Confirm $client revocation? [y/N]: " revoke
|
||||
until [[ "$revoke" =~ ^[yYnN]*$ ]]; do
|
||||
echo "$revoke: invalid selection."
|
||||
read -p "Confirm $client revocation? [y/N]: " revoke
|
||||
done
|
||||
if [[ "$revoke" =~ ^[yY]$ ]]; then
|
||||
cd /etc/openvpn/server/easy-rsa/
|
||||
./easyrsa --batch revoke "$client"
|
||||
./easyrsa --batch --days=3650 gen-crl
|
||||
rm -f /etc/openvpn/server/crl.pem
|
||||
cp /etc/openvpn/server/easy-rsa/pki/crl.pem /etc/openvpn/server/crl.pem
|
||||
# CRL is read with each client connection, when OpenVPN is dropped to nobody
|
||||
chown nobody:"$group_name" /etc/openvpn/server/crl.pem
|
||||
echo
|
||||
echo "$client revoked!"
|
||||
else
|
||||
echo
|
||||
echo "$client revocation aborted!"
|
||||
fi
|
||||
exit
|
||||
;;
|
||||
3)
|
||||
echo
|
||||
read -p "Confirm OpenVPN removal? [y/N]: " remove
|
||||
until [[ "$remove" =~ ^[yYnN]*$ ]]; do
|
||||
echo "$remove: invalid selection."
|
||||
read -p "Confirm OpenVPN removal? [y/N]: " remove
|
||||
done
|
||||
if [[ "$remove" =~ ^[yY]$ ]]; then
|
||||
port=$(grep '^port ' /etc/openvpn/server/server.conf | cut -d " " -f 2)
|
||||
protocol=$(grep '^proto ' /etc/openvpn/server/server.conf | cut -d " " -f 2)
|
||||
if systemctl is-active --quiet firewalld.service; then
|
||||
ip=$(firewall-cmd --direct --get-rules ipv4 nat POSTROUTING | grep '\-s 10.8.0.0/24 '"'"'!'"'"' -d 10.8.0.0/24' | grep -oE '[^ ]+$')
|
||||
# Using both permanent and not permanent rules to avoid a firewalld reload.
|
||||
firewall-cmd --remove-port="$port"/"$protocol"
|
||||
firewall-cmd --zone=trusted --remove-source=10.8.0.0/24
|
||||
firewall-cmd --permanent --remove-port="$port"/"$protocol"
|
||||
firewall-cmd --permanent --zone=trusted --remove-source=10.8.0.0/24
|
||||
firewall-cmd --direct --remove-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to "$ip"
|
||||
firewall-cmd --permanent --direct --remove-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to "$ip"
|
||||
if grep -qs "server-ipv6" /etc/openvpn/server/server.conf; then
|
||||
ip6=$(firewall-cmd --direct --get-rules ipv6 nat POSTROUTING | grep '\-s fddd:1194:1194:1194::/64 '"'"'!'"'"' -d fddd:1194:1194:1194::/64' | grep -oE '[^ ]+$')
|
||||
firewall-cmd --zone=trusted --remove-source=fddd:1194:1194:1194::/64
|
||||
firewall-cmd --permanent --zone=trusted --remove-source=fddd:1194:1194:1194::/64
|
||||
firewall-cmd --direct --remove-rule ipv6 nat POSTROUTING 0 -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to "$ip6"
|
||||
firewall-cmd --permanent --direct --remove-rule ipv6 nat POSTROUTING 0 -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to "$ip6"
|
||||
fi
|
||||
else
|
||||
systemctl disable --now openvpn-iptables.service
|
||||
rm -f /etc/systemd/system/openvpn-iptables.service
|
||||
fi
|
||||
if sestatus 2>/dev/null | grep "Current mode" | grep -q "enforcing" && [[ "$port" != 1194 ]]; then
|
||||
semanage port -d -t openvpn_port_t -p "$protocol" "$port"
|
||||
fi
|
||||
systemctl disable --now openvpn-server@server.service
|
||||
rm -f /etc/systemd/system/openvpn-server@server.service.d/disable-limitnproc.conf
|
||||
rm -f /etc/sysctl.d/99-openvpn-forward.conf
|
||||
if [[ "$os" = "debian" || "$os" = "ubuntu" ]]; then
|
||||
rm -rf /etc/openvpn/server
|
||||
apt-get remove --purge -y openvpn
|
||||
else
|
||||
# Else, OS must be CentOS or Fedora
|
||||
yum remove -y openvpn
|
||||
rm -rf /etc/openvpn/server
|
||||
fi
|
||||
echo
|
||||
echo "OpenVPN removed!"
|
||||
else
|
||||
echo
|
||||
echo "OpenVPN removal aborted!"
|
||||
fi
|
||||
exit
|
||||
;;
|
||||
4)
|
||||
exit
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
Loading…
Add table
Reference in a new issue