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#!/bin/bash |
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print_error() { |
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echo "$1" |
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exit |
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} |
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read_env() { |
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source "$1" |
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# grep -vE '^#|^$' "$1" | sed -r 's/\ /\\\ /g; s/\=/\t/g' | \ |
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# while read env val |
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# do |
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# env - $env="$val" |
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# done |
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} |
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# Ensure to be root |
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if [ "$EUID" -ne 0 ]; then |
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echo "Please run as root" |
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exit |
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fi |
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base_path=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd ) |
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# Read dotEnv file |
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read_env "$base_path/../.env" |
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printf "\n################## Server informations ##################\n" |
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[ ! -z "$VPN_ADDR" ] && echo "VPN_ADDR=$VPN_ADDR" |
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[ -z "$VPN_ADDR" ] && read -p "Server Hostname/IP: " VPN_ADDR |
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[ -z "$VPN_ADDR" ] && print_error "Server address is required!" |
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[ ! -z "$VPN_PROTO" ] && echo "VPN_PROTO=$VPN_PROTO" |
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[ -z "$VPN_PROTO" ] && read -p "OpenVPN protocol (tcp or udp) [tcp]: " VPN_PROTO |
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[ -z "$VPN_PROTO" ] && VPN_PROTO="tcp" |
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[ ! -z "$VPN_PORT" ] && echo "VPN_PORT=$VPN_PORT" |
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[ -z "$VPN_PORT" ] && read -p "OpenVPN port [443]: " VPN_PORT |
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[ -z "$VPN_PORT" ] && VPN_PORT="443" |
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[ ! -z "$VPN_GROUP" ] && echo "VPN_GROUP=$VPN_GROUP" |
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[ -z "$VPN_GROUP" ] && read -p "OpenVPN group [nogroup]: " VPN_GROUP |
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[ -z "$VPN_GROUP" ] && VPN_GROUP="nogroup" |
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[ ! -z "$VPN_INIF" ] && echo "VPN_INIF=$VPN_INIF" |
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[ -z "$VPN_INIF" ] && read -p "OpenVPN input interface [tun0]: " VPN_INIF |
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[ -z "$VPN_INIF" ] && VPN_INIF="tun0" |
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[ ! -z "VPN_OUTIF" ] && echo "VPN_OUTIF=$VPN_OUTIF" |
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[ -z "$VPN_OUTIF" ] && read -p "OpenVPN output interface [eth0]: " VPN_OUTIF |
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[ -z "$VPN_OUTIF" ] && VPN_OUTIF="eth0" |
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[ ! -z "$VPN_NET" ] && echo "VPN_NET=$VPN_NET" |
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[ -z "$VPN_NET" ] && read -p "OpenVPN clients subnet [10.8.0.0/24]: " VPN_NET |
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[ -z "$VPN_NET" ] && VPN_NET="10.8.0.0/24" |
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printf "\n################## Certificates informations ##################\n" |
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[ -z "$EASYRSA_KEY_SIZE" ] && read -p "Key size (1024, 2048 or 4096) [2048]: " EASYRSA_KEY_SIZE |
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[ -z "$EASYRSA_CA_EXPIRE" ] && read -p "Root certificate expiration (in days) [3650]: " EASYRSA_CA_EXPIRE |
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[ -z "$EASYRSA_CERT_EXPIRE" ] && read -p "Certificate expiration (in days) [3650]: " EASYRSA_CERT_EXPIRE |
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[ -z "$EASYRSA_REQ_COUNTRY" ] && read -p "Country Name (2 letter code) [US]: " EASYRSA_REQ_COUNTRY |
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[ -z "$EASYRSA_REQ_PROVINCE" ] && read -p "State or Province Name (full name) [California]: " EASYRSA_REQ_PROVINCE |
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[ -z "$EASYRSA_REQ_CITY" ] && read -p "Locality Name (eg, city) [San Francisco]: " EASYRSA_REQ_CITY |
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[ -z "$EASYRSA_REQ_ORG" ] && read -p "Organization Name (eg, company) [Copyleft Certificate Co]: " EASYRSA_REQ_ORG |
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[ -z "$EASYRSA_REQ_OU" ] && read -p "Organizational Unit Name (eg, section) [My Organizational Unit]: " EASYRSA_REQ_OU |
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[ -z "$EASYRSA_REQ_EMAIL" ] && read -p "Email Address [me@example.net]: " EASYRSA_REQ_EMAIL |
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[ -z "$EASYRSA_REQ_CN" ] && read -p "Common Name (eg, your name or your server's hostname) [ChangeMe]: " EASYRSA_REQ_CN |
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printf "\n################## Creating the certificates ##################\n" |
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EASYRSA_RELEASES=( $( |
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curl -s https://api.github.com/repos/OpenVPN/easy-rsa/releases | \ |
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grep 'tag_name' | \ |
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grep -E '3(\.[0-9]+)+' | \ |
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awk '{ print $2 }' | \ |
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sed 's/[,|"|v]//g' |
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) ) |
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EASYRSA_LATEST=${EASYRSA_RELEASES[0]} |
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# Get the rsa keys |
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wget -q https://github.com/OpenVPN/easy-rsa/releases/download/v${EASYRSA_LATEST}/EasyRSA-${EASYRSA_LATEST}.tgz -O /tmp/EasyRSA-${EASYRSA_LATEST}.tgz |
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mkdir -p /etc/openvpn/easy-rsa |
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tar -xaf /tmp/EasyRSA-${EASYRSA_LATEST}.tgz -C /etc/openvpn/easy-rsa --strip-components=1 |
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rm -r /tmp/EasyRSA-${EASYRSA_LATEST}.tgz |
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cd /etc/openvpn/easy-rsa |
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# Init PKI dirs and build CA certs |
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./easyrsa --batch init-pki |
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./easyrsa --batch build-ca nopass |
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# Generate Diffie-Hellman parameters |
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./easyrsa --batch gen-dh |
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# Generate server keypair |
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./easyrsa --batch build-server-full server nopass |
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# Generate shared-secret for TLS Authentication |
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openvpn --genkey --secret pki/ta.key |
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printf "\n################## Setup OpenVPN ##################\n" |
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# Copy certificates and the server configuration in the openvpn directory |
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cp /etc/openvpn/easy-rsa/pki/{ca.crt,ta.key,issued/server.crt,private/server.key,dh.pem} "/etc/openvpn/" |
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cp "$base_path/installation/server.conf" "/etc/openvpn/" |
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mkdir "/etc/openvpn/ccd" |
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sed -i "s/port 443/port $VPN_PORT/" "/etc/openvpn/server.conf" |
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sed -i "s/proto tcp/proto $VPN_PROTO/" "/etc/openvpn/server.conf" |
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sed -i "s/group nogroup/group $VPN_GROUP/" "/etc/openvpn/server.conf" |
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printf "\n################## Setup firewall ##################\n" |
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# Make ip forwading and make it persistent |
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echo 1 > "/proc/sys/net/ipv4/ip_forward" |
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echo "net.ipv4.ip_forward = 1" >> "/etc/sysctl.conf" |
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# Iptable rules |
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iptables -I FORWARD -i $VPN_INIF -j ACCEPT |
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iptables -I FORWARD -o $VPN_INIF -j ACCEPT |
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iptables -I OUTPUT -o $VPN_INIF -j ACCEPT |
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iptables -A FORWARD -i $VPN_INIF -o $VPN_OUTIF -j ACCEPT |
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iptables -t nat -A POSTROUTING -o $VPN_OUTIF -j MASQUERADE |
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iptables -t nat -A POSTROUTING -s $VPN_NET -o eth0 -j MASQUERADE |
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printf "\n################## Setup web application ##################\n" |
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# Copy bash scripts (which will insert row in MySQL) |
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cp -r "$base_path/installation/scripts" "/etc/openvpn/" |
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chmod +x "/etc/openvpn/scripts/"* |
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# Configure MySQL in openvpn scripts |
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sed -i "s/USER=''/USER='$DB_USER'/" "/etc/openvpn/scripts/config.sh" |
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sed -i "s/PASS=''/PASS='$DB_PASS'/" "/etc/openvpn/scripts/config.sh" |
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cp -r "$base_path/installation/client-conf" "$base_path/../public" |
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# New workspace |
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cd "$base_path/../public" |
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# Replace in the client configurations with the ip of the server and openvpn protocol |
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for file in "./client-conf/gnu-linux/client.conf" "./client-conf/osx-viscosity/client.conf" "./client-conf/windows/client.ovpn"; do |
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sed -i "s/remote xxx\.xxx\.xxx\.xxx 443/remote $VPN_ADDR $VPN_PORT/" $file |
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if [ $VPN_PROTO = "udp" ]; then |
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sed -i "s/proto tcp-client/proto udp/" $file |
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fi |
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done |
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# Copy ta.key inside the client-conf directory |
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for directory in "./client-conf/gnu-linux/" "./client-conf/osx-viscosity/" "./client-conf/windows/"; do |
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cp "/etc/openvpn/"{ca.crt,ta.key} $directory |
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done |
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printf "\033[1m\n#################################### Finish ####################################\n" |
Paul Rock
7 years ago