mirror of
https://github.com/Nyr/openvpn-install.git
synced 2024-11-24 05:56:08 +03:00
Double BASH brackets to simple SH brackets
This commit is contained in:
Julien Reichardt
parent
2bcb4681a1
commit
5684772d5e
@ -8,13 +8,13 @@
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# universal as possible.
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if [[ "$EUID" -ne 0 ]]; then
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if [ "$EUID" -ne 0 ]; then
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echo "Sorry, you need to run this as root"
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exit 1
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fi
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if [[ ! -e /dev/net/tun ]]; then
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if [ ! -e /dev/net/tun ]; then
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echo "TUN is not available"
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exit 2
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fi
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@ -25,10 +25,10 @@ if grep -qs "CentOS release 5" "/etc/redhat-release"; then
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exit 3
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fi
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if [[ -e /etc/debian_version ]]; then
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if [ -e /etc/debian_version ]; then
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OS=debian
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RCLOCAL='/etc/rc.local'
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elif [[ -e /etc/centos-release || -e /etc/redhat-release ]]; then
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elif [ -e /etc/centos-release ] || [ -e /etc/redhat-release ]; then
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OS=centos
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RCLOCAL='/etc/rc.d/rc.local'
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# Needed for CentOS 7
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@ -57,12 +57,12 @@ newclient () {
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# I do this to make the script compatible with NATed servers (lowendspirit.com)
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# and to avoid getting an IPv6.
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IP=$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -o -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -1)
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if [[ "$IP" = "" ]]; then
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if [ "$IP" = "" ]; then
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IP=$(wget -qO- ipv4.icanhazip.com)
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fi
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if [[ -e /etc/openvpn/server.conf ]]; then
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if [ -e /etc/openvpn/server.conf ]; then
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while :
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do
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clear
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@ -75,7 +75,7 @@ if [[ -e /etc/openvpn/server.conf ]]; then
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echo " 4) Exit"
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read -p "Select an option [1-4]: " option
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case $option in
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1)
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1)
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echo ""
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echo "Tell me a name for the client cert"
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echo "Please, use one word only, no special characters"
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@ -92,7 +92,7 @@ if [[ -e /etc/openvpn/server.conf ]]; then
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# This option could be documented a bit better and maybe even be simplimplified
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# ...but what can I say, I want some sleep too
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NUMBEROFCLIENTS=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep -c "^V")
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if [[ "$NUMBEROFCLIENTS" = '0' ]]; then
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if [ "$NUMBEROFCLIENTS" = '0' ]; then
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echo ""
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echo "You have no existing clients!"
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exit 5
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@ -100,7 +100,7 @@ if [[ -e /etc/openvpn/server.conf ]]; then
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echo ""
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echo "Select the existing client certificate you want to revoke"
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tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | nl -s ') '
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if [[ "$NUMBEROFCLIENTS" = '1' ]]; then
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if [ "$NUMBEROFCLIENTS" = '1' ]; then
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read -p "Select one client [1]: " CLIENTNUMBER
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else
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read -p "Select one client [1-$NUMBEROFCLIENTS]: " CLIENTNUMBER
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@ -118,10 +118,10 @@ if [[ -e /etc/openvpn/server.conf ]]; then
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echo "Certificate for client $CLIENT revoked"
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exit
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;;
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3)
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3)
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echo ""
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read -p "Do you really want to remove OpenVPN? [y/n]: " -e -i n REMOVE
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if [[ "$REMOVE" = 'y' ]]; then
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if [ "$REMOVE" = 'y' ]; then
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PORT=$(grep '^port ' /etc/openvpn/server.conf | cut -d " " -f 2)
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if pgrep firewalld; then
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# Using both permanent and not permanent rules to avoid a firewalld reload.
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@ -138,12 +138,12 @@ if [[ -e /etc/openvpn/server.conf ]]; then
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sed -i '/iptables -t nat -A POSTROUTING -s 10.8.0.0\/24 -j SNAT --to /d' $RCLOCAL
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if hash sestatus 2>/dev/null; then
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if sestatus | grep "Current mode" | grep -qs "enforcing"; then
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if [[ "$PORT" != '1194' ]]; then
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if [ "$PORT" != '1194' ]; then
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semanage port -d -t openvpn_port_t -p udp $PORT
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fi
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fi
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fi
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if [[ "$OS" = 'debian' ]]; then
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if [ "$OS" = 'debian' ]; then
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apt-get remove --purge -y openvpn openvpn-blacklist
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else
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yum remove openvpn -y
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@ -191,7 +191,7 @@ else
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echo ""
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echo "Okay, that was all I needed. We are ready to setup your OpenVPN server now"
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read -n1 -r -p "Press any key to continue..."
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if [[ "$OS" = 'debian' ]]; then
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if [ "$OS" = 'debian' ]; then
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apt-get update
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apt-get install openvpn iptables openssl ca-certificates -y
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else
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@ -200,7 +200,7 @@ else
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yum install openvpn iptables openssl wget ca-certificates -y
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fi
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# An old version of easy-rsa was available by default in some openvpn packages
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if [[ -d /etc/openvpn/easy-rsa/ ]]; then
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if [ -d /etc/openvpn/easy-rsa/ ]; then
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rm -rf /etc/openvpn/easy-rsa/
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fi
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# Get easy-rsa
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@ -236,13 +236,13 @@ ifconfig-pool-persist ipp.txt" > /etc/openvpn/server.conf
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echo 'push "redirect-gateway def1 bypass-dhcp"' >> /etc/openvpn/server.conf
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# DNS
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case $DNS in
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1)
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1)
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# Obtain the resolvers from resolv.conf and use them for OpenVPN
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grep -v '#' /etc/resolv.conf | grep 'nameserver' | grep -E -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | while read line; do
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echo "push \"dhcp-option DNS $line\"" >> /etc/openvpn/server.conf
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done
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;;
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2)
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2)
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echo 'push "dhcp-option DNS 8.8.8.8"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 8.8.4.4"' >> /etc/openvpn/server.conf
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;;
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@ -250,14 +250,14 @@ ifconfig-pool-persist ipp.txt" > /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 208.67.222.222"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 208.67.220.220"' >> /etc/openvpn/server.conf
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;;
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4)
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4)
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echo 'push "dhcp-option DNS 129.250.35.250"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 129.250.35.251"' >> /etc/openvpn/server.conf
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;;
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5)
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5)
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echo 'push "dhcp-option DNS 74.82.42.42"' >> /etc/openvpn/server.conf
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;;
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6)
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6)
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echo 'push "dhcp-option DNS 64.6.64.6"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 64.6.65.6"' >> /etc/openvpn/server.conf
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;;
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@ -270,7 +270,7 @@ status openvpn-status.log
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verb 3
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crl-verify crl.pem" >> /etc/openvpn/server.conf
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# Enable net.ipv4.ip_forward for the system
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if [[ "$OS" = 'debian' ]]; then
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if [ "$OS" = 'debian' ]; then
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sed -i 's|#net.ipv4.ip_forward=1|net.ipv4.ip_forward=1|' /etc/sysctl.conf
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else
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# CentOS 5 and 6
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@ -308,7 +308,7 @@ crl-verify crl.pem" >> /etc/openvpn/server.conf
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# If SELinux is enabled and a custom port was selected, we need this
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if hash sestatus 2>/dev/null; then
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if sestatus | grep "Current mode" | grep -qs "enforcing"; then
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if [[ "$PORT" != '1194' ]]; then
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if [ "$PORT" != '1194' ]; then
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# semanage isn't available in CentOS 6 by default
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if ! hash semanage 2>/dev/null; then
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yum install policycoreutils-python -y
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@ -318,7 +318,7 @@ crl-verify crl.pem" >> /etc/openvpn/server.conf
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fi
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fi
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# And finally, restart OpenVPN
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if [[ "$OS" = 'debian' ]]; then
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if [ "$OS" = 'debian' ]; then
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# Little hack to check for systemd
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if pgrep systemd-journal; then
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systemctl restart openvpn@server.service
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@ -336,14 +336,14 @@ crl-verify crl.pem" >> /etc/openvpn/server.conf
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fi
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# Try to detect a NATed connection and ask about it to potential LowEndSpirit users
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EXTERNALIP=$(wget -qO- ipv4.icanhazip.com)
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if [[ "$IP" != "$EXTERNALIP" ]]; then
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if [ "$IP" != "$EXTERNALIP" ]; then
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echo ""
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echo "Looks like your server is behind a NAT!"
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echo ""
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echo "If your server is NATed (e.g. LowEndSpirit), I need to know the external IP"
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echo "If that's not the case, just ignore this and leave the next field blank"
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read -p "External IP: " -e USEREXTERNALIP
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if [[ "$USEREXTERNALIP" != "" ]]; then
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if [ "$USEREXTERNALIP" != "" ]; then
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IP=$USEREXTERNALIP
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fi
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fi
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