Added Telegram support
During the install you can set up Telegram supports and make a bot send a message to a group chat when clients connect or disconnect. This NEEDS to be tested.
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@ -3,6 +3,9 @@ OpenVPN [road warrior](http://en.wikipedia.org/wiki/Road_warrior_%28computing%29
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This script will let you setup 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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This script will let you setup 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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### Telegram-support
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During the install you can set up Telegram supports and make a bot send a message to a group chat when clients connect or disconnect.
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### Installation
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### Installation
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Run the script and follow the assistant:
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Run the script and follow the assistant:
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@ -90,7 +90,7 @@ if [[ -e /etc/openvpn/server/server.conf ]]; then
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read -p "Select an option: " option
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read -p "Select an option: " option
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done
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done
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case "$option" in
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case "$option" in
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1)
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1)
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echo
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echo
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echo "Tell me a name for the client certificate."
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echo "Tell me a name for the client certificate."
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read -p "Client name: " unsanitized_client
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read -p "Client name: " unsanitized_client
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@ -148,7 +148,7 @@ if [[ -e /etc/openvpn/server/server.conf ]]; then
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fi
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fi
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exit
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exit
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;;
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;;
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3)
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3)
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echo
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echo
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read -p "Do you really want to remove OpenVPN? [y/N]: " remove
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read -p "Do you really want to remove OpenVPN? [y/N]: " remove
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until [[ "$remove" =~ ^[yYnN]*$ ]]; do
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until [[ "$remove" =~ ^[yYnN]*$ ]]; do
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@ -259,10 +259,10 @@ else
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read -p "Protocol [1]: " protocol
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read -p "Protocol [1]: " protocol
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done
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done
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case "$protocol" in
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case "$protocol" in
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1|"")
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1|"")
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protocol=udp
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protocol=udp
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;;
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;;
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2)
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2)
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protocol=tcp
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protocol=tcp
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;;
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;;
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esac
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esac
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@ -490,6 +490,58 @@ cipher AES-256-CBC
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ignore-unknown-option block-outside-dns
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ignore-unknown-option block-outside-dns
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block-outside-dns
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block-outside-dns
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verb 3" > /etc/openvpn/server/client-common.txt
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verb 3" > /etc/openvpn/server/client-common.txt
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echo "Telegram support enables the server to send messages on a Telegram channel with a bot when clients connect/disconnect."
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echo "If you want Telegram support, you'll need to create a bot and a group (instructions will be given) and have Python support on this server."
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read -p "Do you want Telegram support ? [y/N] : " telegram_support
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until [[ "$telegram_support" =~ ^[yYnN]*$ ]]; do
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echo "$telegram_support: invalid selection."
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read -p "Do you want Telegram support ? [y/N] : " telegram_support
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done
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if [[ "$telegram_support" =~ ^[yY]$ ]]; then
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echo "In order to function properly, Telegram supports needs two sets of data: a bot token and a group id"
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echo "How to create a bot and find the token"
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echo " 1. Open a Telegram client"
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echo " 2. Start a conversation with @BotFather"
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echo " 3. Send the following command : /newbot"
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echo " 4. Send the name of your bot (anything you want)"
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echo " 5. Send the username of your bot (must be unique, and end with 'bot')"
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echo " 6. The bot is created and the token to access the HTTP API is sent to you"
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read -p "What is your bot token ? : " telegram_bot_token
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echo "How to find the group id"
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echo " 1. Create the group your want the bot to send messages to"
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echo " 2. Add the bot to the group with its username (@username)"
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echo " 3. Send the following message in the group : /my_id @username"
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echo " 4. Go to https://api.telegram.org/bot<bot_token>/getUpdates and replace <bot_token> with yours"
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echo " 5. In the JSON array, find the message/chat/id negative integer composed of 9 figures, this is your group ID"
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read -p "What is the group ID ? : " telegram_group_id
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touch /usr/bin/ovpn-client-connect /usr/bin/ovpn-client-disconnect
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pip install python-telegram-bot
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echo '#!/usr/bin/env python' > /usr/bin/ovpn-client-connect
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echo 'import telegram' >> /usr/bin/ovpn-client-connect
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echo 'import os' >> /usr/bin/ovpn-client-connect
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echo "bot = telegram.Bot(token=\'$telegram_bot_token\')" >> /usr/bin/ovpn-client-connect
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echo "server_ip = os.popen('curl ifconfig.me').read()" >> /usr/bin/ovpn-client-connect
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echo "client_name = str(os.getenv('common_name'))" >> /usr/bin/ovpn-client-connect
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echo "client_real_ip = str(os.getenv('trusted_ip'))" >> /usr/bin/ovpn-client-connect
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echo "client_virtual_ip = str(os.getenv('ifconfig_pool_remote_ip'))" >> /usr/bin/ovpn-client-connect
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echo 'message = "*[OpenVPN Server : " + server_ip + "]* client *" + client_name + "* is connected (is *" + client_real_ip + "* and has *" + client_virtual_ip + "*)"' >> /usr/bin/ovpn-client-connect
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echo "bot.send_message('-421685619', message, parse_mode=telegram.ParseMode.MARKDOWN)" >> /usr/bin/ovpn-client-connect
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echo '#!/usr/bin/env python' > /usr/bin/ovpn-client-disconnect
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echo 'import telegram' >> /usr/bin/ovpn-client-disconnect
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echo 'import os' >> /usr/bin/ovpn-client-disconnect
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echo "bot = telegram.Bot(token=\'$telegram_bot_token\')" >> /usr/bin/ovpn-client-disconnect
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echo "server_ip = os.popen('curl ifconfig.me').read()" >> /usr/bin/ovpn-client-disconnect
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echo "client_name = str(os.getenv('common_name'))" >> /usr/bin/ovpn-client-disconnect
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echo "client_real_ip = str(os.getenv('trusted_ip'))" >> /usr/bin/ovpn-client-disconnect
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echo "client_virtual_ip = str(os.getenv('ifconfig_pool_remote_ip'))" >> /usr/bin/ovpn-client-disconnect
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echo 'message = "*[OpenVPN Server : " + server_ip + "]* client *" + client_name + "* has disconnected (was *" + client_real_ip + "* and had *" + client_virtual_ip + "*")' >> /usr/bin/ovpn-client-disconnect
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echo "bot.send_message('-421685619', message, parse_mode=telegram.ParseMode.MARKDOWN)" >> /usr/bin/ovpn-client-disconnect
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chown nobody:root /usr/bin/ovpn-client-connect /usr/bin/ovpn-client-disconnect
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chmod +x nobody:root /usr/bin/ovpn-client-connect /usr/bin/ovpn-client-disconnect
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echo "script-security 2" >> /etc/openvpn/server/server.conf
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echo "client-connect /usr/bin/ovpn-client-connect" >> /etc/openvpn/server/server.conf
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echo "client-disconnect /usr/bin/ovpn-client-disconnect" >> /etc/openvpn/server/server.conf
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fi
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# Enable and start the OpenVPN service
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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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systemctl enable --now openvpn-server@server.service
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# Generates the custom client.ovpn
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# Generates the custom client.ovpn
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