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Added CLI Script for Managing Clients
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davift
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69
README.md
69
README.md
@ -1,24 +1,65 @@
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**New: [wireguard-install](https://github.com/Nyr/wireguard-install) is also available.**
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## openvpn-install
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OpenVPN [road warrior](http://en.wikipedia.org/wiki/Road_warrior_%28computing%29) installer for Ubuntu, Debian, AlmaLinux, Rocky Linux, CentOS and Fedora.
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This script will let you set up your own VPN server in no more than a minute, even if you haven't used OpenVPN before. It has been designed to be as unobtrusive and universal as possible.
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OpenVPN Server installer for Ubuntu, Debian, AlmaLinux, Rocky Linux, CentOS, and Fedora.
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### Installation
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Run the script and follow the assistant:
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This repo is originally a fork of https://github.com/Nyr/openvpn-install with some changes and added features.
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`wget https://git.io/vpn -O openvpn-install.sh && bash openvpn-install.sh`
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### Instructions
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Download and execute the script:
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```
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wget https://raw.githubusercontent.com/davift/openvpn-install/master/openvpn-install.sh
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chmod +x openvpn-install.sh
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./openvpn-install.sh
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```
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Once it ends, you can run it again to add more users, remove some of them or even completely uninstall OpenVPN.
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### I want to run my own VPN but don't have a server for that
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You can get a VPS from just 2€/month at [AlphaVPS](https://alphavps.com/clients/aff.php?aff=474&pid=422).
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### Automation
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### Donations
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If you want to show your appreciation, you can donate via [PayPal](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VBAYDL34Z7J6L) or [cryptocurrency](https://pastebin.com/raw/M2JJpQpC). Thanks!
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Download the CLI script:
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### Sponsors
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This project is proudly sponsored by our friends at [FrogeHost](https://froge.host/?utm_source=nyr).
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```
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wget https://raw.githubusercontent.com/davift/openvpn-install/master/openvpn-cli.sh
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chmod +x openvpn-cli.sh
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./openvpn-cli.sh
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```
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For a commercial VPN with strong anti-censorship capabilities (最强翻墙VPN) from $1/month, check out [Clever VPN](https://www.clever-vpn.net/?wg-referral=01LOULuQoi).
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The CLI script allows you to add and revoke users with a single command or for using with Ansible or Terraform.
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```
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See examples:
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./openvpn-cli.sh add username add a new client
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./openvpn-cli.sh revoke username revoke a client
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./openvpn-cli.sh add username@domain.com add a new client and send the configuration via email
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./openvpn-cli.sh revoke username@domain.com revoke client and send the configuration via email
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```
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### Optional
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If the new client account is a valid email address, the configuration file is automatically sent, as long as MSMTP is installed and configured.
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```
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sudo apt install msmtp msmtp-mta -y
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sudo nano /etc/msmtprc
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```
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MSMTP Configuration Example (for Gmail):
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```
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defaults
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auth on
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tls on
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tls_trust_file /etc/ssl/certs/ca-certificates.crt
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logfile ~/.msmtp.log
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account gmail
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host smtp.gmail.com
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port 587
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from username@gmail.com
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user username@gmail.com
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password password
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account default : gmail
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```
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141
openvpn-cli.sh
Normal file
141
openvpn-cli.sh
Normal file
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#!/bin/bash
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#
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# https://github.com/davift/openvpn-install
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# firked from https://github.com/Nyr/openvpn-install
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#
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# Released under the same MIT License.
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if [[ ! -e /etc/openvpn/server/server.conf ]]; then
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echo 'OpenVPN server is not installed yet.'
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echo 'Run the following command first:'
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echo
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echo ' ./openvpn-install.sh'
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echo
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exit
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fi
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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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echo 'This installer needs to be run with "bash", not "sh".'
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exit
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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 environments where $PATH does not include the sbin directories
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if ! grep -q sbin <<< "$PATH"; then
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echo '$PATH does not include sbin. Try using "su -" instead of "su".'
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exit
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fi
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if [[ "$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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option=$1
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unsanitized_client=$2
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client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_@-\.]/_/g' <<< "$unsanitized_client")
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if [[ -z "$option" || ( "$option" != "add" && "$option" != "revoke" ) ]]; then
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echo 'Invalid option.'
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elif [[ -z "$client" ]]; then
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echo 'The client name cannto be empty.'
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exit 1
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fi
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case "$option" in
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add)
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if [[ -e /etc/openvpn/server/easy-rsa/pki/issued/"$client".crt || -e /etc/openvpn/server/easy-rsa/pki/private/"$client".key ]]; then
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echo 'The client already exist.'
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exit 1
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fi
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# Adding
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cd /etc/openvpn/server/easy-rsa/
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if ./easyrsa --batch --days=3650 build-client-full "$client" nopass &>/dev/null; then
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{
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cat /etc/openvpn/server/client-common.txt
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echo "<ca>"
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cat /etc/openvpn/server/easy-rsa/pki/ca.crt
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echo "</ca>"
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echo "<cert>"
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sed -ne '/BEGIN CERTIFICATE/,$ p' /etc/openvpn/server/easy-rsa/pki/issued/"$client".crt
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echo "</cert>"
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echo "<key>"
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cat /etc/openvpn/server/easy-rsa/pki/private/"$client".key
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echo "</key>"
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echo "<tls-crypt>"
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sed -ne '/BEGIN OpenVPN Static key/,$ p' /etc/openvpn/server/tc.key
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echo "</tls-crypt>"
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} > /root/"$client".ovpn
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echo "Client's configuration:" /root/"$client.ovpn"
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# Regular expression for a basic email validation
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regex="^[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]{1,2}+\.[a-zA-Z]{2,10}$"
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if [[ $client =~ $regex ]]; then
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boundaystring=($(md5sum /root/$client.ovpn))
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{
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echo "From: davift-canada@gmail.com"
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echo "To: $client"
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echo "Subject: OpenVPN Client Configuration"
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echo "MIME-Version: 1.0"
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echo "Content-Type: multipart/mixed; boundary=\"$boundaystring\""
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echo ""
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echo "--$boundaystring"
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echo "Content-Type: text/plain; charset=\"UTF-8\""
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echo "Content-Transfer-Encoding: 7bit"
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echo ""
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echo "Please find attached your OpenVPN client configuration."
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echo ""
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echo "--$boundaystring"
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echo "Content-Type: application/octet-stream; name=\"$client.ovpn\""
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echo "Content-Transfer-Encoding: base64"
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echo "Content-Disposition: attachment; filename=\"$client.ovpn\""
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echo ""
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cat /root/$client.ovpn | base64
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echo "--$boundaystring--"
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echo ""
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} > /root/"$client".email
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if [[ ! $(which msmtp) ]]; then
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echo 'Email NOT sent! MSMTP was not found.'
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elif msmtp -a default $client < /root/$client.email; then
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echo 'Configuration send via email.'
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else
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echo 'Email NOT sent! MSMTP failed.'
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fi
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fi
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else
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echo 'Certificate conflict.'
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exit 1
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fi
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;;
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revoke)
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if [[ ! -e /etc/openvpn/server/easy-rsa/pki/issued/"$client".crt ]]; then
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echo 'The client does not exist.'
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exit 1
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fi
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if ! tail -n +2 /etc/openvpn/server/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | grep -q "$client"; then
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echo 'The client does not exist.'
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exit 1
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fi
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# Revoking
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cd /etc/openvpn/server/easy-rsa/
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rm pki/reqs/$client.req
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./easyrsa --batch revoke "$client" &>/dev/null
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./easyrsa --batch --days=3650 gen-crl &>/dev/null
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cat /etc/openvpn/server/easy-rsa/pki/crl.pem > /etc/openvpn/server/crl.pem
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exit
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;;
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*)
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echo 'See examples:'
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echo ''
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echo ' ./openvpn-cli.sh add username add a new client'
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echo ' ./openvpn-cli.sh revoke username revoke a client'
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echo ' ./openvpn-cli.sh add username@domain.com add a new client and send the configuration via email'
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echo ' ./openvpn-cli.sh revoke username@domain.com revoke client and send the configuration via email'
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echo ''
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exit
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;;
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esac
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@ -96,7 +96,7 @@ new_client () {
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echo "<tls-crypt>"
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sed -ne '/BEGIN OpenVPN Static key/,$ p' /etc/openvpn/server/tc.key
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echo "</tls-crypt>"
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} > ~/"$client".ovpn
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} > /root/"$client".ovpn
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}
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if [[ ! -e /etc/openvpn/server/server.conf ]]; then
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@ -454,7 +454,7 @@ verb 3" > /etc/openvpn/server/client-common.txt
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echo
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echo "Finished!"
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echo
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echo "The client configuration is available in:" ~/"$client.ovpn"
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echo "The client configuration is available in:" /root/"$client.ovpn"
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echo "New clients can be added by running this script again."
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else
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clear
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@ -482,11 +482,12 @@ else
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client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client")
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done
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cd /etc/openvpn/server/easy-rsa/
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rm pki/reqs/$client.req
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./easyrsa --batch --days=3650 build-client-full "$client" nopass
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# Generates the custom client.ovpn
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new_client
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echo
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echo "$client added. Configuration available in:" ~/"$client.ovpn"
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echo "$client added. Configuration available in:" /root/"$client.ovpn"
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exit
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;;
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2)
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