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Cleanup

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- SELinux in CentOS already has rules for both udp/1194 and tcp/1194,
so the protocol check was not needed.
- Remove unneeded arguments from some grep and rm commands.
This commit is contained in:
Nyr 2018-04-26 15:10:18 +02:00
parent 83234ddae4
commit d717353769
1 changed files with 14 additions and 26 deletions
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40
openvpn-install.sh
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@ -6,7 +6,7 @@
# Detect Debian users running the script with "sh" instead of bash
if readlink /proc/$$/exe | grep -qs "dash"; then
if readlink /proc/$$/exe | grep -q "dash"; then
echo "This script needs to be run with bash, not sh"
exit 1
fi
@ -99,10 +99,10 @@ if [[ -e /etc/openvpn/server.conf ]]; then
cd /etc/openvpn/easy-rsa/
./easyrsa --batch revoke $CLIENT
EASYRSA_CRL_DAYS=3650 ./easyrsa gen-crl
rm -rf pki/reqs/$CLIENT.req
rm -rf pki/private/$CLIENT.key
rm -rf pki/issued/$CLIENT.crt
rm -rf /etc/openvpn/crl.pem
rm -f pki/reqs/$CLIENT.req
rm -f pki/private/$CLIENT.key
rm -f pki/issued/$CLIENT.crt
rm -f /etc/openvpn/crl.pem
cp /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn/crl.pem
# CRL is read with each client connection, when OpenVPN is dropped to nobody
chown nobody:$GROUPNAME /etc/openvpn/crl.pem
@ -138,12 +138,8 @@ if [[ -e /etc/openvpn/server.conf ]]; then
sed -i "/iptables -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT/d" $RCLOCAL
fi
fi
if hash sestatus 2>/dev/null; then
if sestatus | grep "Current mode" | grep -qs "enforcing"; then
if [[ "$PORT" != '1194' || "$PROTOCOL" = 'tcp' ]]; then
semanage port -d -t openvpn_port_t -p $PROTOCOL $PORT
fi
fi
if sestatus 2>/dev/null | grep "Current mode" | grep -q "enforcing" && [[ "$PORT" != '1194' ]]; then
semanage port -d -t openvpn_port_t -p $PROTOCOL $PORT
fi
if [[ "$OS" = 'debian' ]]; then
apt-get remove --purge -y openvpn
@ -220,10 +216,6 @@ else
yum install epel-release -y
yum install openvpn iptables openssl ca-certificates -y
fi
# An old version of easy-rsa was available by default in some openvpn packages
if [[ -d /etc/openvpn/easy-rsa/ ]]; then
rm -rf /etc/openvpn/easy-rsa/
fi
# Get easy-rsa
EASYRSAURL='https://github.com/OpenVPN/easy-rsa/releases/download/v3.0.4/EasyRSA-3.0.4.tgz'
wget -O ~/easyrsa.tgz "$EASYRSAURL" 2>/dev/null || curl -Lo ~/easyrsa.tgz "$EASYRSAURL"
@ -231,7 +223,7 @@ else
mv ~/EasyRSA-3.0.4/ /etc/openvpn/
mv /etc/openvpn/EasyRSA-3.0.4/ /etc/openvpn/easy-rsa/
chown -R root:root /etc/openvpn/easy-rsa/
rm -rf ~/easyrsa.tgz
rm -f ~/easyrsa.tgz
cd /etc/openvpn/easy-rsa/
# Create the PKI, set up the CA, the DH params and the server + client certificates
./easyrsa init-pki
@ -345,17 +337,13 @@ exit 0' > $RCLOCAL
sed -i "1 a\iptables -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT" $RCLOCAL
fi
fi
# If SELinux is enabled and a custom port or TCP was selected, we need this
if hash sestatus 2>/dev/null; then
if sestatus | grep "Current mode" | grep -qs "enforcing"; then
if [[ "$PORT" != '1194' || "$PROTOCOL" = 'tcp' ]]; then
# semanage isn't available in CentOS 6 by default
if ! hash semanage 2>/dev/null; then
yum install policycoreutils-python -y
fi
semanage port -a -t openvpn_port_t -p $PROTOCOL $PORT
fi
# If SELinux is enabled and a custom port was selected, we need this
if sestatus 2>/dev/null | grep "Current mode" | grep -q "enforcing" && [[ "$PORT" != '1194' ]]; then
# Install semanage if not already present
if ! hash semanage 2>/dev/null; then
yum install policycoreutils-python -y
fi
semanage port -a -t openvpn_port_t -p $PROTOCOL $PORT
fi
# And finally, restart OpenVPN
if [[ "$OS" = 'debian' ]]; then