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https://github.com/Nyr/openvpn-install.git
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Small style changes
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Nyr
parent
6f155b997d
commit
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@ -6,7 +6,7 @@
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# Discard stdin. Needed when running from an one-liner which includes a newline
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read -N 999999999 -t 0.001
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read -N 999999 -t 0.001
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# Detect Debian users running the script with "sh" instead of bash
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if readlink /proc/$$/exe | grep -q "dash"; then
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@ -14,11 +14,6 @@ if readlink /proc/$$/exe | grep -q "dash"; then
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exit
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fi
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if [[ "$EUID" -ne 0 ]]; then
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echo "This installer needs to be run with superuser privileges."
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exit
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fi
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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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@ -67,15 +62,20 @@ This version of CentOS is too old and unsupported."
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exit
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fi
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if [[ ! -e /dev/net/tun ]] || ! ( exec 7<>/dev/net/tun ) 2>/dev/null; then
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echo "The system does not have the TUN device available.
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TUN needs to be enabled before running this installer."
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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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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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if [[ "$EUID" -ne 0 ]]; then
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echo "This installer needs to be run with superuser privileges."
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exit
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fi
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if [[ ! -e /dev/net/tun ]] || ! ( exec 7<>/dev/net/tun ) 2>/dev/null; then
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echo "The system does not have the TUN device available.
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TUN needs to be enabled before running this installer."
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exit
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fi
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@ -125,7 +125,7 @@ if [[ ! -e /etc/openvpn/server/server.conf ]]; then
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get_public_ip=$(grep -m 1 -oE '^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$' <<< "$(wget -T 10 -t 1 -4qO- "http://ip1.dynupdate.no-ip.com/" || curl -m 10 -4Ls "http://ip1.dynupdate.no-ip.com/")")
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read -p "Public IPv4 address / hostname [$get_public_ip]: " public_ip
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# If the checkip service is unavailable and user didn't provide input, ask again
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until [[ -n "$get_public_ip" || -n $public_ip ]]; do
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until [[ -n "$get_public_ip" || -n "$public_ip" ]]; do
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echo "Invalid input."
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read -p "Public IPv4 address / hostname: " public_ip
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done
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@ -194,7 +194,7 @@ if [[ ! -e /etc/openvpn/server/server.conf ]]; then
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client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client")
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[[ -z "$client" ]] && client="client"
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echo
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echo "OpenVPN installation is ready to begin now."
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echo "OpenVPN installation is ready to begin."
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# Install a firewall in the rare case where one is 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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@ -216,13 +216,13 @@ LimitNPROC=infinity" > /etc/systemd/system/openvpn-server@server.service.d/disab
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fi
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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 openvpn openssl ca-certificates $firewall
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apt-get install -y openvpn openssl ca-certificates "$firewall"
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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 $firewall
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yum install -y openvpn openssl ca-certificates tar "$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 $firewall
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dnf install -y openvpn openssl ca-certificates tar "$firewall"
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fi
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# If firewalld was just installed, enable it
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if [[ "$firewall" == "firewalld" ]]; then
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@ -358,7 +358,7 @@ crl-verify crl.pem" >> /etc/openvpn/server/server.conf
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ip6tables_path=$(command -v ip6tables)
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# nf_tables is not available as standard in OVZ kernels. So use iptables-legacy
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# if we are in OVZ, with a nf_tables backend and iptables-legacy is available.
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if [[ $(systemd-detect-virt) == "openvz" ]] && readlink -f $(command -v iptables) | grep -q "nft" && hash iptables-legacy 2>/dev/null; then
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if [[ $(systemd-detect-virt) == "openvz" ]] && readlink -f "$(command -v iptables)" | grep -q "nft" && hash iptables-legacy 2>/dev/null; then
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iptables_path=$(command -v iptables-legacy)
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ip6tables_path=$(command -v ip6tables-legacy)
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fi
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@ -402,7 +402,7 @@ WantedBy=multi-user.target" >> /etc/systemd/system/openvpn-iptables.service
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semanage port -a -t openvpn_port_t -p "$protocol" "$port"
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fi
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# If the server is behind NAT, use the correct IP address
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[[ ! -z "$public_ip" ]] && ip="$public_ip"
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[[ -n "$public_ip" ]] && ip="$public_ip"
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# client-common.txt is created so we have a template to add further users later
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echo "client
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dev tun
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@ -432,8 +432,8 @@ else
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echo "OpenVPN is already installed."
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echo
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echo "Select an option:"
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echo " 1) Add a new user"
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echo " 2) Revoke an existing user"
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echo " 1) Add a new client"
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echo " 2) Revoke an existing client"
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echo " 3) Remove OpenVPN"
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echo " 4) Exit"
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read -p "Option: " option
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