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Multiple improvements

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- Better UX for client certificate revocation: a list of the current
client names is shown to the user
- easy-rsa 2.2.2 now used by default: it’s easier for me to maintain a
single version
This commit is contained in:
Nyr 2015-07-22 08:02:59 +02:00
parent b778c1aed9
commit 7d467d9666
1 changed files with 33 additions and 26 deletions
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49
openvpn-install.sh Executable file → Normal file
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@ -55,15 +55,6 @@ newclient () {
echo "</key>" >> ~/$1.ovpn
}
geteasyrsa () {
wget --no-check-certificate -O ~/easy-rsa.tar.gz https://github.com/OpenVPN/easy-rsa/archive/2.2.2.tar.gz
tar xzf ~/easy-rsa.tar.gz -C ~/
mkdir -p /etc/openvpn/easy-rsa/2.0/
cp ~/easy-rsa-2.2.2/easy-rsa/2.0/* /etc/openvpn/easy-rsa/2.0/
rm -rf ~/easy-rsa-2.2.2
rm -rf ~/easy-rsa.tar.gz
}
# 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)
@ -79,13 +70,12 @@ if [[ -e /etc/openvpn/server.conf ]]; then
do
clear
echo "Looks like OpenVPN is already installed"
echo "What do you want to do?"
echo ""
echo "What do you want to do?"
echo " 1) Add a cert for a new user"
echo " 2) Revoke existing user cert"
echo " 3) Remove OpenVPN"
echo " 4) Exit"
echo ""
read -p "Select an option [1-4]: " option
case $option in
1)
@ -106,9 +96,23 @@ if [[ -e /etc/openvpn/server.conf ]]; then
exit
;;
2)
# This option could be documented a bit better and maybe even be simplimplified
# ...but what can I say, I want some sleep too
NUMBEROFCLIENTS=$(tail -n +2 /etc/openvpn/easy-rsa/2.0/keys/index.txt | grep "^V" | wc -l)
if [[ "$NUMBEROFCLIENTS" = '0' ]]; then
echo ""
echo "Tell me the existing client name"
read -p "Client name: " -e -i client CLIENT
echo "You have no existing clients!"
exit
fi
echo ""
echo "Select the existing client certificate you want to revoke"
tail -n +2 /etc/openvpn/easy-rsa/2.0/keys/index.txt | grep "^V" | cut -d '/' -f 7 | cut -d '=' -f 2 | nl -s ') '
if [[ "$NUMBEROFCLIENTS" = '1' ]]; then
read -p "Select one client [1]: " CLIENTNUMBER
else
read -p "Select one client [1-$NUMBEROFCLIENTS]: " CLIENTNUMBER
fi
CLIENT=$(tail -n +2 /etc/openvpn/easy-rsa/2.0/keys/index.txt | grep "^V" | cut -d '/' -f 7 | cut -d '=' -f 2 | sed -n "$CLIENTNUMBER"p)
cd /etc/openvpn/easy-rsa/2.0/
. /etc/openvpn/easy-rsa/2.0/vars
. /etc/openvpn/easy-rsa/2.0/revoke-full $CLIENT
@ -195,22 +199,25 @@ else
if [[ "$OS" = 'debian' ]]; then
apt-get update
apt-get install openvpn iptables openssl -y
cp -R /usr/share/doc/openvpn/examples/easy-rsa/ /etc/openvpn
# easy-rsa isn't available by default for Debian Jessie and newer
if [[ ! -d /etc/openvpn/easy-rsa/2.0/ ]]; then
geteasyrsa
fi
else
# Else, the distro is CentOS
yum install epel-release -y
yum install openvpn iptables openssl wget -y
geteasyrsa
fi
# An old version of easy-rsa was available by default in some openvpn packages
if [[ -d /etc/openvpn/easy-rsa/2.0/ ]]; then
rm -f /etc/openvpn/easy-rsa/2.0/
fi
# Get easy-rsa
wget --no-check-certificate -O ~/easy-rsa.tar.gz https://github.com/OpenVPN/easy-rsa/archive/2.2.2.tar.gz
tar xzf ~/easy-rsa.tar.gz -C ~/
mkdir -p /etc/openvpn/easy-rsa/2.0/
cp ~/easy-rsa-2.2.2/easy-rsa/2.0/* /etc/openvpn/easy-rsa/2.0/
rm -rf ~/easy-rsa-2.2.2
rm -rf ~/easy-rsa.tar.gz
cd /etc/openvpn/easy-rsa/2.0/
# Let's fix one thing first...
cp -u -p openssl-1.0.0.cnf openssl.cnf
# Fuck you NSA - 1024 bits was the default for Debian Wheezy and older
sed -i 's|export KEY_SIZE=1024|export KEY_SIZE=2048|' /etc/openvpn/easy-rsa/2.0/vars
# Create the PKI
. /etc/openvpn/easy-rsa/2.0/vars
. /etc/openvpn/easy-rsa/2.0/clean-all