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Update openvpn-install.sh

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davift 2024-08-23 20:38:40 -04:00 committed by GitHub
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1 changed files with 14 additions and 14 deletions
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openvpn-install.sh
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@ -110,18 +110,18 @@ if [[ ! -e /etc/openvpn/server/server.conf ]]; then
clear clear
echo 'Welcome to this OpenVPN road warrior installer!' echo 'Welcome to this OpenVPN road warrior installer!'
# Ask the user what IPv4 to use OR to use 0.0.0.0 to listen on all interfaces # Ask the user what IPv4 to use OR to use 0.0.0.0 to listen on all interfaces
number_of_real_ip=$(ip -4 addr | grep inet | grep -vEc '127(\.[0-9]{1,3}){3}') number_of_real_ip=$(ip -4 addr | grep inet | grep -vEc '127(\.[0-9]{1,3}){3}')
number_of_ip=$((number_of_real_ip+1)) number_of_ip=$((number_of_real_ip+1))
echo echo
echo "Which IPv4 address should be used?" echo "Which IPv4 address should be used?"
(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}' | nl -s ') ' (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}' | nl -s ') '
read -p "IPv4 address [1]: " ip_number read -p "IPv4 address [1]: " ip_number
until [[ -z "$ip_number" || "$ip_number" =~ ^[0-9]+$ && "$ip_number" -le "$number_of_ip" ]]; do until [[ -z "$ip_number" || "$ip_number" =~ ^[0-9]+$ && "$ip_number" -le "$number_of_ip" ]]; do
echo "$ip_number: invalid selection." echo "$ip_number: invalid selection."
read -p "IPv4 address [1]: " ip_number read -p "IPv4 address [1]: " ip_number
done done
[[ -z "$ip_number" ]] && ip_number="1" [[ -z "$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)
# If $ip is a private IP address, the server must be behind NAT # 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 if echo "$ip" | grep -qE '^(10\.|172\.1[6789]\.|172\.2[0-9]\.|172\.3[01]\.|192\.168|0\.0\.0\.0)'; then
echo echo
@ -136,8 +136,8 @@ if [[ ! -e /etc/openvpn/server/server.conf ]]; then
done done
[[ -z "$public_ip" ]] && public_ip="$get_public_ip" [[ -z "$public_ip" ]] && public_ip="$get_public_ip"
fi fi
# Seting the default gateway's interface for public side of the NAT since it was used to get_public_ip # Seting the default gateway's interface for public side of the NAT since it was used to get_public_ip
out_interface=$(ip r | grep -E '^default' | awk '{print $5}') out_interface=$(ip r | grep -E '^default' | awk '{print $5}')
# If system has a single IPv6, it is selected automatically # If system has a single IPv6, it is selected automatically
if [[ $(ip -6 addr | grep -c 'inet6 [23]') -eq 1 ]]; then 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}') 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}')