mirror of
https://github.com/Nyr/openvpn-install.git
synced 2025-04-05 05:33:30 +03:00
Merge a265c407c7 into 6d89279940
This commit is contained in:
Hoang Huynh
commit
43f55aa56b
2 changed files with 78 additions and 59 deletions
10
README.md
10
README.md
|
|
@ -6,16 +6,12 @@ This script will let you setup your own VPN server in no more than one minute, e
|
|||
###Installation
|
||||
Run the script and follow the assistant:
|
||||
|
||||
`wget http://git.io/vpn --no-check-certificate -O openvpn-install.sh; chmod +x openvpn-install.sh; ./openvpn-install.sh`
|
||||
`wget http://git.io/ovpn --no-check-certificate -O openvpn-install.sh; chmod +x openvpn-install.sh; sudo ./openvpn-install.sh`
|
||||
|
||||
Once it ends, you can run it again to add more users.
|
||||
|
||||
###I want to run my own VPN but don't have a server for that
|
||||
There are reliable providers where you can get a little VPS for even less than one buck a month.
|
||||
|
||||
- [Secure Dragon (Tampa, FL - Denver, CO - Los Angeles, CA - Chicago, IL)](https://securedragon.net/openvz.php)
|
||||
- [High Speed Web (Los Angeles, CA)](http://www.highspeedweb.net/)
|
||||
- [IperWeb (Dallas, TX)](http://my.iperweb.com/cart/)
|
||||
- [HTTP Zoom (Berkshire, UK)](http://httpzoom.com/)
|
||||
|
||||
If you don't care about sharing an IP address with more people, you should check out the awesome [LowEndSpirit](http://lowendspirit.com/) project. They are providing IPv6-only VPS with NATed IPv4 for only 3€/year.
|
||||
- [Low End Box](http://lowendbox.com/)
|
||||
- [Digital Ocean (Hourly charged, instant VPS creation and deletion)](https://www.digitalocean.com/)
|
||||
|
|
|
|||
|
|
@ -1,32 +1,36 @@
|
|||
#!/bin/bash
|
||||
# OpenVPN road warrior installer for Debian-based distros
|
||||
|
||||
# This script will only work on Debian-based systems. It isn't bulletproof but
|
||||
# it will probably work if you simply want to setup a VPN on your Debian/Ubuntu
|
||||
# VPS. It has been designed to be as unobtrusive and universal as possible.
|
||||
|
||||
# Check for Debian-based distro
|
||||
if [ ! -e /etc/debian_version ]; then
|
||||
echo "Sorry, you need to be on a Debian-based OS to run this"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Check for root
|
||||
if [ $USER != 'root' ]; then
|
||||
echo "Sorry, you need to run this as root"
|
||||
exit
|
||||
exit 1
|
||||
fi
|
||||
|
||||
|
||||
# check for tun/tap
|
||||
if [ ! -e /dev/net/tun ]; then
|
||||
echo "TUN/TAP is not available"
|
||||
exit
|
||||
echo "TUN/TAP is not available, please enable it first (contact your provider if you don't know how)"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
|
||||
# Try to get our IP from the system and fallback to the Internet.
|
||||
# I do this to make the script compatible with NATed servers (lowendspirit.com)
|
||||
# and to avoid getting an IPv6.
|
||||
IP=$(ifconfig | grep 'inet addr:' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | cut -d: -f2 | awk '{ print $1}' | head -1)
|
||||
if [ "$IP" = "" ]; then
|
||||
IP=$(wget -qO- ipv4.icanhazip.com)
|
||||
IP=$(wget -qO- ipv4.icanhazip.com)
|
||||
fi
|
||||
|
||||
# Get the machine host name
|
||||
HOSTNAME=$(hostname)
|
||||
|
||||
# If OpenVPN is already installed
|
||||
if [ -e /etc/openvpn/server.conf ]; then
|
||||
while :
|
||||
do
|
||||
|
|
@ -39,42 +43,46 @@ if [ -e /etc/openvpn/server.conf ]; then
|
|||
echo "3) Remove OpenVPN"
|
||||
echo "4) Exit"
|
||||
echo ""
|
||||
read -p "Select an option [1-4]:" option
|
||||
read -p "Select an option [1-4]: " option
|
||||
case $option in
|
||||
1)
|
||||
1)
|
||||
echo ""
|
||||
echo "Tell me a name for the client cert"
|
||||
echo "Please, use one word only, no special characters"
|
||||
read -p "Client name: " -e -i client CLIENT
|
||||
echo "Please, use words and spaces only, no special characters"
|
||||
read -p "Client name: " -e -i $(id -un) CLIENT
|
||||
cd /etc/openvpn/easy-rsa/2.0/
|
||||
source ./vars
|
||||
# build-key for the client
|
||||
export KEY_CN="$CLIENT"
|
||||
export EASY_RSA="${EASY_RSA:-.}"
|
||||
"$EASY_RSA/pkitool" $CLIENT
|
||||
"$EASY_RSA/pkitool" "$CLIENT"
|
||||
# Let's generate the client config
|
||||
mkdir ~/ovpn-$CLIENT
|
||||
cp /usr/share/doc/openvpn/examples/sample-config-files/client.conf ~/ovpn-$CLIENT/$CLIENT.conf
|
||||
cp /etc/openvpn/easy-rsa/2.0/keys/ca.crt ~/ovpn-$CLIENT
|
||||
cp /etc/openvpn/easy-rsa/2.0/keys/$CLIENT.crt ~/ovpn-$CLIENT
|
||||
cp /etc/openvpn/easy-rsa/2.0/keys/$CLIENT.key ~/ovpn-$CLIENT
|
||||
cd ~/ovpn-$CLIENT
|
||||
sed -i "s|cert client.crt|cert $CLIENT.crt|" $CLIENT.conf
|
||||
sed -i "s|key client.key|key $CLIENT.key|" $CLIENT.conf
|
||||
tar -czf ../ovpn-$CLIENT.tar.gz $CLIENT.conf ca.crt $CLIENT.crt $CLIENT.key
|
||||
mkdir ~/ovpn-"$CLIENT"
|
||||
# add server IP to the file names to prevent duplication on client configs
|
||||
cp /usr/share/doc/openvpn/examples/sample-config-files/client.conf ~/ovpn-"$CLIENT"/"$CLIENT"@$HOSTNAME.conf
|
||||
cp /etc/openvpn/easy-rsa/2.0/keys/ca.crt ~/ovpn-"$CLIENT"/ca@$HOSTNAME.crt
|
||||
cp /etc/openvpn/easy-rsa/2.0/keys/"$CLIENT".crt ~/ovpn-"$CLIENT"/"$CLIENT"@$HOSTNAME.crt
|
||||
cp /etc/openvpn/easy-rsa/2.0/keys/"$CLIENT".key ~/ovpn-"$CLIENT"/"$CLIENT"@$HOSTNAME.key
|
||||
cd ~/ovpn-"$CLIENT"
|
||||
sed -i "s|ca ca.crt|ca ca@$HOSTNAME.crt|" "$CLIENT"@$HOSTNAME.conf
|
||||
sed -i "s|cert client.crt|cert \"$CLIENT@$HOSTNAME.crt\"|" "$CLIENT"@$HOSTNAME.conf
|
||||
sed -i "s|key client.key|key \"$CLIENT@$HOSTNAME.key\"|" "$CLIENT"@$HOSTNAME.conf
|
||||
# add an .ovpn file which is essentially the .conf file for client-side openvpn GUI tool on Windows
|
||||
cp "$CLIENT"@$HOSTNAME.conf "$CLIENT"@$HOSTNAME.ovpn
|
||||
tar -czf ../ovpn-"$CLIENT".tar.gz "$CLIENT"@$HOSTNAME.conf "$CLIENT"@$HOSTNAME.ovpn ca@$HOSTNAME.crt "$CLIENT"@$HOSTNAME.crt "$CLIENT"@$HOSTNAME.key
|
||||
cd ~/
|
||||
rm -rf ovpn-$CLIENT
|
||||
rm -rf ovpn-"$CLIENT"
|
||||
echo ""
|
||||
echo "Client $CLIENT added, certs available at ~/ovpn-$CLIENT.tar.gz"
|
||||
exit
|
||||
echo "Client $CLIENT added, certs available at `pwd`/ovpn-$CLIENT.tar.gz"
|
||||
exit 0
|
||||
;;
|
||||
2)
|
||||
echo ""
|
||||
echo "Tell me the existing client name"
|
||||
read -p "Client name: " -e -i client CLIENT
|
||||
read -p "Client name: " -e CLIENT
|
||||
cd /etc/openvpn/easy-rsa/2.0/
|
||||
. /etc/openvpn/easy-rsa/2.0/vars
|
||||
. /etc/openvpn/easy-rsa/2.0/revoke-full $CLIENT
|
||||
. /etc/openvpn/easy-rsa/2.0/revoke-full "$CLIENT"
|
||||
# If it's the first time revoking a cert, we need to add the crl-verify line
|
||||
if grep -q "crl-verify" "/etc/openvpn/server.conf"; then
|
||||
echo ""
|
||||
|
|
@ -85,24 +93,28 @@ if [ -e /etc/openvpn/server.conf ]; then
|
|||
echo ""
|
||||
echo "Certificate for client $CLIENT revoked"
|
||||
fi
|
||||
exit
|
||||
exit 0
|
||||
;;
|
||||
3)
|
||||
3)
|
||||
apt-get remove --purge -y openvpn openvpn-blacklist
|
||||
rm -rf /etc/openvpn
|
||||
rm -rf /usr/share/doc/openvpn
|
||||
sed -i '/--dport 53 -j REDIRECT --to-port 1194/d' /etc/rc.local
|
||||
sed -i '/--dport 53 -j REDIRECT --to-port/d' /etc/rc.local
|
||||
sed -i '/iptables -t nat -A POSTROUTING -s 10.8.0.0/d' /etc/rc.local
|
||||
echo ""
|
||||
echo "OpenVPN removed!"
|
||||
exit
|
||||
exit 0
|
||||
;;
|
||||
4) exit;;
|
||||
4) exit 0;;
|
||||
esac
|
||||
done
|
||||
else
|
||||
echo 'Welcome to this quick OpenVPN "road warrior" installer'
|
||||
echo ""
|
||||
echo "This script will only work on Debian-based systems. It isn't bulletproof but"
|
||||
echo "it will probably work if you simply want to setup a VPN on your Debian/Ubuntu"
|
||||
echo "VPS. It has been designed to be as unobtrusive and universal as possible."
|
||||
echo ""
|
||||
# OpenVPN setup and first user creation
|
||||
echo "I need to ask you a few questions before starting the setup"
|
||||
echo "You can leave the default options and just press enter if you are ok with them"
|
||||
|
|
@ -116,11 +128,15 @@ else
|
|||
echo ""
|
||||
echo "Do you want OpenVPN to be available at port 53 too?"
|
||||
echo "This can be useful to connect under restrictive networks"
|
||||
read -p "Listen at port 53 [y/n]:" -e -i n ALTPORT
|
||||
read -p "Listen at port 53 [y/n]: " -e -i n ALTPORT
|
||||
echo ""
|
||||
echo "Do you want to allow multiple clients to connect with the same"
|
||||
echo "certificate/key files? This is recommended only for trusted clients."
|
||||
read -p "Duplicate certificate [y/n]: " -e -i n DUPLICATECN
|
||||
echo ""
|
||||
echo "Finally, tell me your name for the client cert"
|
||||
echo "Please, use one word only, no special characters"
|
||||
read -p "Client name: " -e -i client CLIENT
|
||||
echo "Please, use words and spaces only, no special characters"
|
||||
read -p "Client name: " -e -i $(id -un) CLIENT
|
||||
echo ""
|
||||
echo "Okay, that was all I needed. We are ready to setup your OpenVPN server now"
|
||||
read -n1 -r -p "Press any key to continue..."
|
||||
|
|
@ -155,7 +171,7 @@ else
|
|||
# Now the client keys. We need to set KEY_CN or the stupid pkitool will cry
|
||||
export KEY_CN="$CLIENT"
|
||||
export EASY_RSA="${EASY_RSA:-.}"
|
||||
"$EASY_RSA/pkitool" $CLIENT
|
||||
"$EASY_RSA/pkitool" "$CLIENT"
|
||||
# DH params
|
||||
. /etc/openvpn/easy-rsa/2.0/build-dh
|
||||
# Let's configure the server
|
||||
|
|
@ -168,13 +184,17 @@ else
|
|||
# Set the server configuration
|
||||
sed -i 's|dh dh1024.pem|dh dh2048.pem|' server.conf
|
||||
sed -i 's|;push "redirect-gateway def1 bypass-dhcp"|push "redirect-gateway def1 bypass-dhcp"|' server.conf
|
||||
sed -i 's|;push "dhcp-option DNS 208.67.222.222"|push "dhcp-option DNS 129.250.35.250"|' server.conf
|
||||
sed -i 's|;push "dhcp-option DNS 208.67.222.222"|push "dhcp-option DNS 8.8.8.8"|' server.conf
|
||||
sed -i 's|;push "dhcp-option DNS 208.67.220.220"|push "dhcp-option DNS 74.82.42.42"|' server.conf
|
||||
sed -i "s|port 1194|port $PORT|" server.conf
|
||||
# Listen at port 53 too if user wants that
|
||||
if [ $ALTPORT = 'y' ]; then
|
||||
iptables -t nat -A PREROUTING -p udp -d $IP --dport 53 -j REDIRECT --to-port 1194
|
||||
sed -i "/# By default this script does nothing./a\iptables -t nat -A PREROUTING -p udp -d $IP --dport 53 -j REDIRECT --to-port 1194" /etc/rc.local
|
||||
iptables -t nat -A PREROUTING -p udp -d $IP --dport 53 -j REDIRECT --to-port $PORT
|
||||
sed -i "/# By default this script does nothing./a\iptables -t nat -A PREROUTING -p udp -d $IP --dport 53 -j REDIRECT --to-port $PORT" /etc/rc.local
|
||||
fi
|
||||
# Allow duplicate certificate/key files if user wants that
|
||||
if [ $DUPLICATECN = 'y' ]; then
|
||||
sed -i 's|;duplicate-cn|duplicate-cn|' server.conf
|
||||
fi
|
||||
# Enable net.ipv4.ip_forward for the system
|
||||
sed -i 's|#net.ipv4.ip_forward=1|net.ipv4.ip_forward=1|' /etc/sysctl.conf
|
||||
|
|
@ -186,7 +206,7 @@ else
|
|||
# And finally, restart OpenVPN
|
||||
/etc/init.d/openvpn restart
|
||||
# Let's generate the client config
|
||||
mkdir ~/ovpn-$CLIENT
|
||||
mkdir ~/ovpn-"$CLIENT"
|
||||
# Try to detect a NATed connection and ask about it to potential LowEndSpirit
|
||||
# users
|
||||
EXTERNALIP=$(wget -qO- ipv4.icanhazip.com)
|
||||
|
|
@ -204,19 +224,22 @@ else
|
|||
# IP/port set on the default client.conf so we can add further users
|
||||
# without asking for them
|
||||
sed -i "s|remote my-server-1 1194|remote $IP $PORT|" /usr/share/doc/openvpn/examples/sample-config-files/client.conf
|
||||
cp /usr/share/doc/openvpn/examples/sample-config-files/client.conf ~/ovpn-$CLIENT/$CLIENT.conf
|
||||
cp /etc/openvpn/easy-rsa/2.0/keys/ca.crt ~/ovpn-$CLIENT
|
||||
cp /etc/openvpn/easy-rsa/2.0/keys/$CLIENT.crt ~/ovpn-$CLIENT
|
||||
cp /etc/openvpn/easy-rsa/2.0/keys/$CLIENT.key ~/ovpn-$CLIENT
|
||||
cd ~/ovpn-$CLIENT
|
||||
sed -i "s|cert client.crt|cert $CLIENT.crt|" $CLIENT.conf
|
||||
sed -i "s|key client.key|key $CLIENT.key|" $CLIENT.conf
|
||||
tar -czf ../ovpn-$CLIENT.tar.gz $CLIENT.conf ca.crt $CLIENT.crt $CLIENT.key
|
||||
cp /usr/share/doc/openvpn/examples/sample-config-files/client.conf ~/ovpn-"$CLIENT"/"$CLIENT"@$HOSTNAME.conf
|
||||
cp /etc/openvpn/easy-rsa/2.0/keys/ca.crt ~/ovpn-"$CLIENT"/ca@$HOSTNAME.crt
|
||||
cp /etc/openvpn/easy-rsa/2.0/keys/"$CLIENT".crt ~/ovpn-"$CLIENT"/"$CLIENT"@$HOSTNAME.crt
|
||||
cp /etc/openvpn/easy-rsa/2.0/keys/"$CLIENT".key ~/ovpn-"$CLIENT"/"$CLIENT"@$HOSTNAME.key
|
||||
cd ~/ovpn-"$CLIENT"
|
||||
sed -i "s|ca ca.crt|ca ca@$HOSTNAME.crt|" "$CLIENT"@$HOSTNAME.conf
|
||||
sed -i "s|cert client.crt|cert \"$CLIENT@$HOSTNAME.crt\"|" "$CLIENT"@$HOSTNAME.conf
|
||||
sed -i "s|key client.key|key \"$CLIENT@$HOSTNAME.key\"|" "$CLIENT"@$HOSTNAME.conf
|
||||
cp "$CLIENT"@$HOSTNAME.conf "$CLIENT"@$HOSTNAME.ovpn
|
||||
tar -czf ../ovpn-"$CLIENT".tar.gz "$CLIENT"@$HOSTNAME.conf "$CLIENT"@$HOSTNAME.ovpn ca@$HOSTNAME.crt "$CLIENT"@$HOSTNAME.crt "$CLIENT"@$HOSTNAME.key
|
||||
cd ~/
|
||||
rm -rf ovpn-$CLIENT
|
||||
rm -rf ovpn-"$CLIENT"
|
||||
echo ""
|
||||
echo "Finished!"
|
||||
echo ""
|
||||
echo "Your client config is available at ~/ovpn-$CLIENT.tar.gz"
|
||||
echo "Your client config is available at `pwd`/ovpn-$CLIENT.tar.gz"
|
||||
echo "If you want to add more clients, you simply need to run this script another time!"
|
||||
exit 0
|
||||
fi
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue