mirror of
https://github.com/angristan/openvpn-install.git
synced 2025-07-04 05:24:21 +02:00
function for all .
This commit is contained in:
xiagw
parent
f50c33722c
commit
f103339165
@ -30,46 +30,9 @@ file_client_tpl="${dir_openvpn}/client-template.txt"
|
||||
file_openvpn_conf="${dir_openvpn}/server.conf"
|
||||
file_iptables='/etc/iptables/iptables.rules'
|
||||
|
||||
## function determine the operating system version
|
||||
detect_os_ver(){
|
||||
|
||||
if [[ -e /etc/debian_version ]]; then
|
||||
OS="debian"
|
||||
# Getting the version number, to verify that a recent version of OpenVPN is available
|
||||
VERSION_ID=$(cat /etc/os-release | grep "VERSION_ID")
|
||||
SYSCTL='/etc/sysctl.conf'
|
||||
if [[ "$VERSION_ID" != 'VERSION_ID="7"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="8"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="9"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="12.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="14.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="16.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="16.10"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="17.04"' ]]; then
|
||||
echo 'Your version of Debian/Ubuntu is not supported.'
|
||||
echo "I can't install a recent version of OpenVPN on your system."
|
||||
echo ''
|
||||
echo "However, if you're using Debian unstable/testing, or Ubuntu beta,"
|
||||
echo 'then you can continue, a recent version of OpenVPN is available on these.'
|
||||
echo 'Keep in mind they are not supported, though.'
|
||||
while [[ "$CONTINUE" != [yn] ]]; do
|
||||
read -p 'Continue ? [y/n]: ' -e CONTINUE
|
||||
done
|
||||
if [[ 'n' = "$CONTINUE" ]]; then
|
||||
echo 'Ok, bye !'
|
||||
exit 4
|
||||
fi
|
||||
fi
|
||||
elif [[ -e /etc/centos-release || -e /etc/redhat-release && ! -e /etc/fedora-release ]]; then
|
||||
OS='centos'
|
||||
SYSCTL='/etc/sysctl.conf'
|
||||
elif [[ -e /etc/arch-release ]]; then
|
||||
OS='arch'
|
||||
SYSCTL='/etc/sysctl.d/openvpn.conf'
|
||||
elif [[ -e /etc/fedora-release ]]; then
|
||||
OS='fedora'
|
||||
SYSCTL='/etc/sysctl.d/openvpn.conf'
|
||||
else
|
||||
echo "Looks like you aren't running this installer on a Debian, Ubuntu, CentOS or ArchLinux system"
|
||||
exit 4
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
install_easyrsa(){
|
||||
|
||||
# An old version of easy-rsa was available by default in some openvpn packages
|
||||
if [[ -d ${dir_easy}/ ]]; then
|
||||
rm -rf ${dir_easy}/
|
||||
@ -134,7 +97,8 @@ set_firewall(){
|
||||
fi
|
||||
}
|
||||
|
||||
newclient () {
|
||||
generate_newclient() {
|
||||
|
||||
# Where to write the custom client.ovpn?
|
||||
if [ -e /home/$1 ]; then # if $1 is a user name
|
||||
homeDir="/home/$1"
|
||||
@ -164,6 +128,7 @@ newclient () {
|
||||
|
||||
## function for install openvpn server
|
||||
install_openvpn(){
|
||||
|
||||
clear
|
||||
cat <<EOF
|
||||
Welcome to the secure OpenVPN installer (github.com/Angristan/OpenVPN-install)
|
||||
@ -187,6 +152,7 @@ EOF
|
||||
while [[ $PROTOCOL != "udp" && $PROTOCOL != "tcp" ]]; do
|
||||
read -p "Protocol [udp/tcp]: " -e -i udp PROTOCOL
|
||||
done
|
||||
|
||||
cat <<EOF
|
||||
2/6.What DNS do you want to use with the VPN?
|
||||
1) Current system resolvers (from /etc/resolv.conf)
|
||||
@ -201,6 +167,7 @@ EOF
|
||||
while [[ $DNS != [1-8] ]]; do
|
||||
read -p "DNS [1-8]: " -e -i 1 DNS
|
||||
done
|
||||
|
||||
cat <<EOF
|
||||
See https://github.com/Angristan/OpenVPN-install#encryption to learn more about
|
||||
the encryption in OpenVPN and the choices I made in this script.
|
||||
@ -244,6 +211,7 @@ EOF
|
||||
CIPHER="cipher SEED-CBC"
|
||||
;;
|
||||
esac
|
||||
|
||||
echo ""
|
||||
echo "4/6.Choose what size of Diffie-Hellman key you want to use:"
|
||||
echo " 1) 2048 bits (fastest)"
|
||||
@ -263,6 +231,7 @@ EOF
|
||||
DH_KEY_SIZE="4096"
|
||||
;;
|
||||
esac
|
||||
|
||||
echo ""
|
||||
echo "5/6.Choose what size of RSA key you want to use:"
|
||||
echo " 1) 2048 bits (fastest)"
|
||||
@ -282,12 +251,14 @@ EOF
|
||||
RSA_KEY_SIZE="4096"
|
||||
;;
|
||||
esac
|
||||
|
||||
echo ""
|
||||
echo "6/6.Finally, tell me a name for the client certificate and configuration"
|
||||
while [[ $CLIENT = "" ]]; do
|
||||
echo "Please, use one word only, no special characters"
|
||||
read -p "Client name: " -e -i client CLIENT
|
||||
done
|
||||
|
||||
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..."
|
||||
@ -417,6 +388,7 @@ WantedBy=multi-user.target" > /etc/systemd/system/iptables.service
|
||||
systemctl start iptables
|
||||
fi
|
||||
fi
|
||||
|
||||
# Find out if the machine uses nogroup or nobody for the permissionless group
|
||||
if grep -qs "^nogroup:" /etc/group; then
|
||||
NOGROUP=nogroup
|
||||
@ -505,7 +477,7 @@ tls-cipher TLS-DHE-RSA-WITH-AES-128-GCM-SHA256
|
||||
status openvpn.log
|
||||
verb 3" >> /etc/openvpn/server.conf
|
||||
|
||||
## function set_firewall
|
||||
## call function set_firewall
|
||||
set_firewall
|
||||
|
||||
# And finally, restart OpenVPN
|
||||
@ -578,8 +550,8 @@ tls-cipher TLS-DHE-RSA-WITH-AES-128-GCM-SHA256
|
||||
setenv opt block-outside-dns
|
||||
verb 3" >> ${file_client_tpl}
|
||||
|
||||
# function Generate the custom client.ovpn
|
||||
newclient "$CLIENT"
|
||||
# call function Generate the custom client.ovpn
|
||||
generate_newclient "$CLIENT"
|
||||
echo ""
|
||||
echo "Finished!"
|
||||
echo ""
|
||||
@ -587,23 +559,9 @@ verb 3" >> ${file_client_tpl}
|
||||
echo "If you want to add more clients, you simply need to run this script another time!"
|
||||
}
|
||||
|
||||
detect_IP_NIC(){
|
||||
# Try to get our IP from the system and fallback to the Internet.
|
||||
# I do this to make the script compatible with NATed servers (LowEndSpirit/Scaleway)
|
||||
# and to avoid getting an IPv6.
|
||||
IP=$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -o -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -1)
|
||||
if [[ "$IP" = "" ]]; then
|
||||
IP=$(wget -qO- ipv4.icanhazip.com)
|
||||
fi
|
||||
# Get Internet network interface with default route
|
||||
NIC=$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)
|
||||
|
||||
|
||||
}
|
||||
|
||||
config_openvpn(){
|
||||
|
||||
|
||||
while :
|
||||
do
|
||||
clear
|
||||
@ -631,7 +589,7 @@ EOF
|
||||
cd ${dir_easy}
|
||||
${bin_easy} build-client-full $CLIENT nopass
|
||||
# Generates the custom client.ovpn
|
||||
newclient "$CLIENT"
|
||||
generate_newclient "$CLIENT"
|
||||
echo ""
|
||||
echo "Client $CLIENT added, certs available at $homeDir/$CLIENT.ovpn"
|
||||
exit
|
||||
@ -713,21 +671,72 @@ EOF
|
||||
|
||||
}
|
||||
|
||||
## function: determine the operating system version
|
||||
detect_os_ver(){
|
||||
|
||||
if [[ -e /etc/debian_version ]]; then
|
||||
OS="debian"
|
||||
# Getting the version number, to verify that a recent version of OpenVPN is available
|
||||
VERSION_ID=$(grep "VERSION_ID" /etc/os-release)
|
||||
SYSCTL='/etc/sysctl.conf'
|
||||
if [[ "$VERSION_ID" != 'VERSION_ID="7"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="8"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="9"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="12.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="14.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="16.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="16.10"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="17.04"' ]]; then
|
||||
echo 'Your version of Debian/Ubuntu is not supported.'
|
||||
echo "I can't install a recent version of OpenVPN on your system."
|
||||
echo ''
|
||||
echo "However, if you're using Debian unstable/testing, or Ubuntu beta,"
|
||||
echo 'then you can continue, a recent version of OpenVPN is available on these.'
|
||||
echo 'Keep in mind they are not supported, though.'
|
||||
while [[ "$CONTINUE" != [yn] ]]; do
|
||||
read -p 'Continue ? [y/n]: ' -e CONTINUE
|
||||
done
|
||||
if [[ 'n' = "$CONTINUE" ]]; then
|
||||
echo 'Ok, bye !'
|
||||
exit 4
|
||||
fi
|
||||
fi
|
||||
elif [[ -e /etc/centos-release || -e /etc/redhat-release && ! -e /etc/fedora-release ]]; then
|
||||
OS='centos'
|
||||
SYSCTL='/etc/sysctl.conf'
|
||||
elif [[ -e /etc/arch-release ]]; then
|
||||
OS='arch'
|
||||
SYSCTL='/etc/sysctl.d/openvpn.conf'
|
||||
elif [[ -e /etc/fedora-release ]]; then
|
||||
OS='fedora'
|
||||
SYSCTL='/etc/sysctl.d/openvpn.conf'
|
||||
else
|
||||
echo "Looks like you aren't running this installer on a Debian, Ubuntu, CentOS or ArchLinux system"
|
||||
exit 4
|
||||
fi
|
||||
}
|
||||
|
||||
detect_IP_NIC(){
|
||||
|
||||
# Try to get our IP from the system and fallback to the Internet.
|
||||
# I do this to make the script compatible with NATed servers (LowEndSpirit/Scaleway)
|
||||
# and to avoid getting an IPv6.
|
||||
IP=$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -o -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -1)
|
||||
if [[ "$IP" = "" ]]; then
|
||||
IP=$(wget -qO- ipv4.icanhazip.com)
|
||||
fi
|
||||
# Get Internet network interface with default route
|
||||
NIC=$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)
|
||||
}
|
||||
|
||||
################################# main #################################
|
||||
detect_os_ver
|
||||
detect_IP_NIC
|
||||
main(){
|
||||
detect_os_ver ## call function
|
||||
detect_IP_NIC ## call function
|
||||
|
||||
## OpenVPN setup and first user creation
|
||||
if [[ ! -e ${file_openvpn_conf} ]]; then
|
||||
install_openvpn
|
||||
install_openvpn ## call function
|
||||
fi
|
||||
|
||||
#### server.conf exist.
|
||||
if [[ -e ${file_openvpn_conf} ]]; then
|
||||
config_openvpn
|
||||
config_openvpn ## call function
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
|
||||
exit 0;
|
||||
main $@
|
||||
# exit 0;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user