1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
#-
# 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
SCRIPT_DIR=$(dirname $(realpath $0))
CONFIG_FILE=$SCRIPT_DIR/config
# 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"
}
del_route()
{
echo "ip route del $1 via $vpngw dev $devtun"
ip route del $1 via $vpngw dev $devtun
}
add_route()
{
echo "ip route add $1 via $vpngw dev $devtun"
ip route add $1 via $vpngw dev $devtun
}
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."
}
add_config()
{
local config_file=
local config_name=
while [ -z "$config_file" ]; do
echo -n "Set OpenVPN config file: "
read config_file
done
while [ -z "$config_name" ]; do
echo -n "Set a name for the config file: "
read config_name
done
config_file=$(eval realpath "$config_file")
echo "CONF_${config_name^^}=$config_file" > "$CONFIG_FILE"
}
check_config()
{
[ -f "$CONFIG_FILE" ] && return
add_config
}
check_config
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
|
