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Update openvpn-install.sh

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Davi Torres 2024-09-16 20:44:51 -04:00 committed by GitHub
parent 55c2ebded6
commit a6958b5eb9
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1 changed files with 23 additions and 15 deletions
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38
openvpn-install.sh
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@ -121,7 +121,7 @@ if [[ ! -e /etc/openvpn/server/server.conf ]]; then
read -p "IPv4 address [1]: " ip_number
done
[[ -z "$ip_number" ]] && ip_number="1"
ip=$((ip -4 addr ; echo -n 'inet 0.0.0.0') | grep inet | grep -vE '127(\.[0-9]{1,3}){3}' | cut -d '/' -f 1 | grep -oE '[0-9]{1,3}(\.[0-9]{1,3}){3}' | sed -n "$ip_number"p)
ip=$((ip -4 addr ; echo -n 'inet 0.0.0.0') | grep inet | grep -vE '127(\.[0-9]{1,3}){3}' | cut -d '/' -f 1 | grep -oE '[0-9]{1,3}(\.[0-9]{1,3}){3}' | sed -n "$ip_number"p | head -1)
# If $ip is a private IP address, the server must be behind NAT
if echo "$ip" | grep -qE '^(10\.|172\.1[6789]\.|172\.2[0-9]\.|172\.3[01]\.|192\.168|0\.0\.0\.0)'; then
echo
@ -137,7 +137,7 @@ if [[ ! -e /etc/openvpn/server/server.conf ]]; then
[[ -z "$public_ip" ]] && public_ip="$get_public_ip"
fi
# Seting the default gateway's interface for public side of the NAT since it was used to get_public_ip
out_interface=$(ip r | grep -E '^default' | awk '{print $5}')
out_interface=$(ip r | grep -E '^default' | awk '{print $5}' | head -1)
# If system has a single IPv6, it is selected automatically
if [[ $(ip -6 addr | grep -c 'inet6 [23]') -eq 1 ]]; then
ip6=$(ip -6 addr | grep 'inet6 [23]' | cut -d '/' -f 1 | grep -oE '([0-9a-fA-F]{0,4}:){1,7}[0-9a-fA-F]{0,4}')
@ -189,24 +189,13 @@ if [[ ! -e /etc/openvpn/server/server.conf ]]; then
echo " 4) OpenDNS"
echo " 5) Quad9"
echo " 6) AdGuard"
echo " 7) Other"
read -p "DNS server [1]: " dns
until [[ -z "$dns" || "$dns" =~ ^[1-7]$ ]]; do
echo "$dns: invalid selection."
read -p "DNS server [1]: " dns
done
if [[ "$dns" == 7 ]]; then
read -p "Enter custom DNS server 1: " dns_custom_1
until [[ "$dns_custom_1" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]; do
echo "$dns_custom_1: invalid DNS server."
read -p "Enter custom DNS server 1: " dns_custom_1
done
read -p "Enter custom DNS server 2: " dns_custom_2
until [[ "$dns_custom_2" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]; do
echo "$dns_custom_2: invalid DNS server."
read -p "Enter custom DNS server 2: " dns_custom_2
done
fi
case "$dns" in
1|"")
resolver='the current system resolvers'
@ -226,6 +215,21 @@ if [[ ! -e /etc/openvpn/server/server.conf ]]; then
6)
resolver='AdGuard'
;;
7)
if [[ "$dns" == 7 ]]; then
read -p "Enter custom DNS server 1: " dns_custom_1
until [[ "$dns_custom_1" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]; do
echo "$dns_custom_1: invalid DNS server."
read -p "Enter custom DNS server 1: " dns_custom_1
done
read -p "Enter custom DNS server 2: " dns_custom_2
until [[ "$dns_custom_2" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]; do
echo "$dns_custom_2: invalid DNS server."
read -p "Enter custom DNS server 2: " dns_custom_2
done
fi
resolver='Other'
;;
esac
echo
echo "Enter a name for the first client:"
@ -362,6 +366,10 @@ server 10.8.0.0 255.255.255.0" > /etc/openvpn/server/server.conf
echo 'push "dhcp-option DNS 94.140.14.14"' >> /etc/openvpn/server/server.conf
echo 'push "dhcp-option DNS 94.140.15.15"' >> /etc/openvpn/server/server.conf
;;
7)
echo 'push "dhcp-option DNS '$dns_custom_1'"' >> /etc/openvpn/server/server.conf
echo 'push "dhcp-option DNS '$dns_custom_2'"' >> /etc/openvpn/server/server.conf
;;
esac
echo 'push "block-outside-dns"' >> /etc/openvpn/server/server.conf
echo "keepalive 10 120