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#-
# Copyright 2017-2025 Alessandro Iezzi <aiezzi AT alessandroiezzi PERIOD it>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS”
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#!/usr/bin/bash
# Configurations
CONF_DIR=YOUR_CONFIG_DIR
CONF_FILE=YOUR_CONFIG_FILE
TYPE=THE_DEFAULT_VPN
# Gateway of the VPN:
vpngw=VPN_IP
devtun=tun0
set_terminal_title()
{
echo -ne "\033]0;$1 VPN\007"
}
set_routes()
{
local c=0
local sec=10
while [ -z `ip addr | grep -E '^[0-9]' | awk '{print $2}' | sed 's/:$//' | grep $devtun` ]; do
echo Waiting for $devtun
sleep 1
c=`expr $c + 1`
if [ $c -gt $sec ]; then
echo $devtun not created. Exiting.
exit 1
fi
done
echo "$devtun ready."
}
ISROOT=`id -u`
if [ $ISROOT != 0 ]; then
echo 'You must be root to run vpn'
exit 1
fi
if [ ! -z $1 ]; then
TYPE=$1
fi
# Change title of current terminal
set_terminal_title $TYPE
set_routes &
openvpn $CONF_DIR/$TYPE/$CONF_FILE
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