/
wireguard-manager.sh
1385 lines (1314 loc) · 50.3 KB
/
wireguard-manager.sh
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#!/bin/bash
# https://github.com/complexorganizations/wireguard-manager
# Require script to be run as root
function super-user-check() {
if [ "$EUID" -ne 0 ]; then
echo "You need to run this script as super user."
exit
fi
}
# Check for root
super-user-check
# Checking For Virtualization
function virt-check() {
# Deny OpenVZ Virtualization
if [ "$(systemd-detect-virt)" == "openvz" ]; then
echo "OpenVZ virtualization is not supported (yet)."
exit
# Deny LXC Virtualization
elif [ "$(systemd-detect-virt)" == "lxc" ]; then
echo "LXC virtualization is not supported (yet)."
exit
fi
}
# Virtualization Check
virt-check
# Detect Operating System
function dist-check() {
if [ -e /etc/os-release ]; then
# shellcheck disable=SC1091
source /etc/os-release
DISTRO=$ID
DISTRO_VERSION=$VERSION_ID
fi
}
# Check Operating System
dist-check
# Pre-Checks system requirements
function installing-system-requirements() {
if { [ "$DISTRO" == "ubuntu" ] || [ "$DISTRO" == "debian" ] || [ "$DISTRO" == "raspbian" ] || [ "$DISTRO" == "pop" ] || [ "$DISTRO" == "kali" ] || [ "$DISTRO" == "linuxmint" ] || [ "$DISTRO" == "fedora" ] || [ "$DISTRO" == "centos" ] || [ "$DISTRO" == "rhel" ] || [ "$DISTRO" == "arch" ] || [ "$DISTRO" == "manjaro" ] || [ "$DISTRO" == "alpine" ]; }; then
if { ! [ -x "$(command -v curl)" ] || ! [ -x "$(command -v iptables)" ] || ! [ -x "$(command -v bc)" ] || ! [ -x "$(command -v jq)" ] || ! [ -x "$(command -v sed)" ] || ! [ -x "$(command -v zip)" ] || ! [ -x "$(command -v unzip)" ] || ! [ -x "$(command -v grep)" ] || ! [ -x "$(command -v awk)" ] || ! [ -x "$(command -v ip)" ]; }; then
if { [ "$DISTRO" == "ubuntu" ] || [ "$DISTRO" == "debian" ] || [ "$DISTRO" == "raspbian" ] || [ "$DISTRO" == "pop" ] || [ "$DISTRO" == "kali" ] || [ "$DISTRO" == "linuxmint" ]; }; then
apt-get update && apt-get install iptables curl coreutils bc jq sed e2fsprogs zip unzip grep gawk iproute2 -y
elif { [ "$DISTRO" == "fedora" ] || [ "$DISTRO" == "centos" ] || [ "$DISTRO" == "rhel" ]; }; then
yum update -y && yum install epel-release iptables curl coreutils bc jq sed e2fsprogs zip unzip grep gawk iproute2 -y
elif { [ "$DISTRO" == "arch" ] || [ "$DISTRO" == "manjaro" ]; }; then
pacman -Syu --noconfirm iptables curl bc jq sed zip unzip grep gawk iproute2
elif [ "$DISTRO" == "alpine" ]; then
apk update && apk add iptables curl bc jq sed zip unzip grep gawk iproute2
fi
fi
else
echo "Error: $DISTRO not supported."
exit
fi
}
# Run the function and check for requirements
installing-system-requirements
# Check for docker stuff
function docker-check() {
if [ -f /.dockerenv ]; then
DOCKER_KERNEL_VERSION_LIMIT=5.6
DOCKER_KERNEL_CURRENT_VERSION=$(uname -r | cut -c1-3)
if (($(echo "$KERNEL_CURRENT_VERSION >= $KERNEL_VERSION_LIMIT" | bc -l))); then
echo "Correct: Kernel $KERNEL_CURRENT_VERSION supported." >>/dev/null
else
echo "Error: Kernel $DOCKER_KERNEL_CURRENT_VERSION not supported, please update to $DOCKER_KERNEL_VERSION_LIMIT"
exit
fi
fi
}
# Docker Check
docker-check
# Lets check the kernel version
function kernel-check() {
KERNEL_VERSION_LIMIT=3.1
KERNEL_CURRENT_VERSION=$(uname -r | cut -c1-3)
if (($(echo "$KERNEL_CURRENT_VERSION >= $KERNEL_VERSION_LIMIT" | bc -l))); then
echo "Correct: Kernel $KERNEL_CURRENT_VERSION supported." >>/dev/null
else
echo "Error: Kernel $KERNEL_CURRENT_VERSION not supported, please update to $KERNEL_VERSION_LIMIT"
exit
fi
}
# Kernel Version
kernel-check
# Global variables
WIREGUARD_PATH="/etc/wireguard"
WIREGUARD_CLIENT_PATH="$WIREGUARD_PATH/clients"
WIREGUARD_PUB_NIC="wg0"
WIREGUARD_CONFIG="$WIREGUARD_PATH/$WIREGUARD_PUB_NIC.conf"
WIREGUARD_MANAGER="$WIREGUARD_PATH/wireguard-manager"
WIREGUARD_INTERFACE="$WIREGUARD_PATH/wireguard-interface"
WIREGUARD_PEER="$WIREGUARD_PATH/wireguard-peer"
WIREGUARD_MANAGER_UPDATE="https://raw.githubusercontent.com/complexorganizations/wireguard-manager/main/wireguard-manager.sh"
WIREGUARD_CONFIG_BACKUP="/var/backups/wireguard-manager.zip"
PIHOLE_MANAGER="/etc/pihole/wireguard-manager"
UNBOUND_MANAGER="/etc/unbound/wireguard-manager"
# Verify that it is an old installation or another installer
function previous-wireguard-installation() {
if [ -d "$WIREGUARD_PATH" ]; then
if [ ! -f "$WIREGUARD_MANAGER" ]; then
rm -rf $WIREGUARD_PATH
fi
fi
}
# Run the function to eliminate old installation or another installer
previous-wireguard-installation
# Which would you like to install interface or peer?
function interface-or-peer() {
if [ ! -f "$WIREGUARD_MANAGER" ]; then
echo "Do you want the interface or peer to be installed?"
echo " 1) Interface"
echo " 2) Peer"
until [[ "$INTERFACE_OR_PEER" =~ ^[1-2]$ ]]; do
read -rp "Interface Or Peer [1-2]: " -e -i 1 INTERFACE_OR_PEER
done
case $INTERFACE_OR_PEER in
1)
if [ -f "$WIREGUARD_PEER" ]; then
rm -f $WIREGUARD_PATH
fi
mkdir -p $WIREGUARD_PATH
echo "WireGuard Interface: true" >>$WIREGUARD_INTERFACE
;;
2)
if [ -f "$WIREGUARD_INTERFACE" ]; then
rm -f $WIREGUARD_PATH
fi
mkdir -p $WIREGUARD_PATH
echo "WireGuard Peer: true" >>$WIREGUARD_PEER
;;
esac
fi
}
# Interface or Peer
interface-or-peer
# Usage Guide
function usage-guide() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "usage: ./$(basename "$0") <command>"
echo " --install Install WireGuard Interface"
echo " --start Start WireGuard Interface"
echo " --stop Stop WireGuard Interface"
echo " --restart Restart WireGuard Interface"
echo " --list Show WireGuard Peers"
echo " --add Add WireGuard Peer"
echo " --remove Remove WireGuard Peer"
echo " --reinstall Reinstall WireGuard Interface"
echo " --uninstall Uninstall WireGuard Interface"
echo " --update Update WireGuard Script"
echo " --backup Backup WireGuard Configs"
echo " --restore Restore WireGuard Configs"
echo " --help Show Usage Guide"
exit
fi
}
# The usage of the script
function usage() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
while [ $# -ne 0 ]; do
case "${1}" in
--install)
shift
HEADLESS_INSTALL=${HEADLESS_INSTALL:-y}
;;
--start)
shift
WIREGUARD_OPTIONS=${WIREGUARD_OPTIONS:-2}
;;
--stop)
shift
WIREGUARD_OPTIONS=${WIREGUARD_OPTIONS:-3}
;;
--restart)
shift
WIREGUARD_OPTIONS=${WIREGUARD_OPTIONS:-4}
;;
--list)
shift
WIREGUARD_OPTIONS=${WIREGUARD_OPTIONS:-1}
;;
--add)
shift
WIREGUARD_OPTIONS=${WIREGUARD_OPTIONS:-5}
;;
--remove)
shift
WIREGUARD_OPTIONS=${WIREGUARD_OPTIONS:-6}
;;
--reinstall)
shift
WIREGUARD_OPTIONS=${WIREGUARD_OPTIONS:-7}
;;
--uninstall)
shift
WIREGUARD_OPTIONS=${WIREGUARD_OPTIONS:-8}
;;
--update)
shift
WIREGUARD_OPTIONS=${WIREGUARD_OPTIONS:-9}
;;
--backup)
shift
WIREGUARD_OPTIONS=${WIREGUARD_OPTIONS:-10}
;;
--restore)
shift
WIREGUARD_OPTIONS=${WIREGUARD_OPTIONS:-11}
;;
--help)
shift
usage-guide
;;
*)
echo "Invalid argument: $1"
usage-guide
exit
;;
esac
shift
done
fi
}
usage "$@"
# Skips all questions and just get a client conf after install.
function headless-install() {
if [ "$HEADLESS_INSTALL" == "y" ]; then
INTERFACE_OR_PEER=${INTERFACE_OR_PEER:-1}
IPV4_SUBNET_SETTINGS=${IPV4_SUBNET_SETTINGS:-1}
IPV6_SUBNET_SETTINGS=${IPV6_SUBNET_SETTINGS:-1}
SERVER_HOST_V4_SETTINGS=${SERVER_HOST_V4_SETTINGS:-1}
SERVER_HOST_V6_SETTINGS=${SERVER_HOST_V6_SETTINGS:-1}
SERVER_PUB_NIC_SETTINGS=${SERVER_PUB_NIC_SETTINGS:-1}
SERVER_PORT_SETTINGS=${SERVER_PORT_SETTINGS:-1}
NAT_CHOICE_SETTINGS=${NAT_CHOICE_SETTINGS:-1}
MTU_CHOICE_SETTINGS=${MTU_CHOICE_SETTINGS:-1}
SERVER_HOST_SETTINGS=${SERVER_HOST_SETTINGS:-1}
DISABLE_HOST_SETTINGS=${DISABLE_HOST_SETTINGS:-1}
CLIENT_ALLOWED_IP_SETTINGS=${CLIENT_ALLOWED_IP_SETTINGS:-1}
DNS_PROVIDER_SETTINGS=${DNS_PROVIDER_SETTINGS:-1}
CLIENT_NAME=${CLIENT_NAME:-client}
fi
}
# No GUI
headless-install
if [ ! -f "$WIREGUARD_CONFIG" ]; then
# Custom ipv4 subnet
function set-ipv4-subnet() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "What ipv4 subnet do you want to use?"
echo " 1) 10.8.0.0/24 (Recommended)"
echo " 2) 10.0.0.0/24"
echo " 3) Custom (Advanced)"
until [[ "$IPV4_SUBNET_SETTINGS" =~ ^[1-3]$ ]]; do
read -rp "Subnetwork Choice [1-3]: " -e -i 1 IPV4_SUBNET_SETTINGS
done
case $IPV4_SUBNET_SETTINGS in
1)
IPV4_SUBNET="10.8.0.0/24"
;;
2)
IPV4_SUBNET="10.0.0.0/24"
;;
3)
read -rp "Custom Subnet: " -e -i "10.8.0.0/24" IPV4_SUBNET
;;
esac
fi
}
# Custom ipv4 Subnet
set-ipv4-subnet
# Custom ipv6 subnet
function set-ipv6-subnet() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "What ipv6 subnet do you want to use?"
echo " 1) fd42:42:42::0/64 (Recommended)"
echo " 2) fd86:ea04:1115::0/64"
echo " 3) Custom (Advanced)"
until [[ "$IPV6_SUBNET_SETTINGS" =~ ^[1-3]$ ]]; do
read -rp "Subnetwork Choice [1-3]: " -e -i 1 IPV6_SUBNET_SETTINGS
done
case $IPV6_SUBNET_SETTINGS in
1)
IPV6_SUBNET="fd42:42:42::0/64"
;;
2)
IPV6_SUBNET="fd86:ea04:1115::0/64"
;;
3)
read -rp "Custom Subnet: " -e -i "fd42:42:42::0/64" IPV6_SUBNET
;;
esac
fi
}
# Custom ipv6 Subnet
set-ipv6-subnet
# Private Subnet Ipv4
PRIVATE_SUBNET_V4=${PRIVATE_SUBNET_V4:-"$IPV4_SUBNET"}
# Private Subnet Mask IPv4
PRIVATE_SUBNET_MASK_V4=$(echo "$PRIVATE_SUBNET_V4" | cut -d "/" -f 2)
# IPv4 Getaway
GATEWAY_ADDRESS_V4="${PRIVATE_SUBNET_V4::-4}1"
# Private Subnet Ipv6
PRIVATE_SUBNET_V6=${PRIVATE_SUBNET_V6:-"$IPV6_SUBNET"}
# Private Subnet Mask IPv6
PRIVATE_SUBNET_MASK_V6=$(echo "$PRIVATE_SUBNET_V6" | cut -d "/" -f 2)
# IPv6 Getaway
GATEWAY_ADDRESS_V6="${PRIVATE_SUBNET_V6::-4}1"
# Get the IPV4
function test-connectivity-v4() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "How would you like to detect IPv4?"
echo " 1) Curl (Recommended)"
echo " 2) IP (Advanced)"
echo " 3) Custom (Advanced)"
until [[ "$SERVER_HOST_V4_SETTINGS" =~ ^[1-3]$ ]]; do
read -rp "IPv4 Choice [1-3]: " -e -i 1 SERVER_HOST_V4_SETTINGS
done
case $SERVER_HOST_V4_SETTINGS in
1)
SERVER_HOST_V4="$(curl -4 -s 'https://api.ipengine.dev' | jq -r '.network.ip')"
;;
2)
SERVER_HOST_V4="$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -1)"
;;
3)
read -rp "Custom IPv4: " -e -i "$(curl -4 -s 'https://api.ipengine.dev' | jq -r '.network.ip')" SERVER_HOST_V4
;;
esac
fi
}
# Get the IPV4
test-connectivity-v4
# Determine ipv6
function test-connectivity-v6() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "How would you like to detect IPv6?"
echo " 1) Curl (Recommended)"
echo " 2) IP (Advanced)"
echo " 3) Custom (Advanced)"
until [[ "$SERVER_HOST_V6_SETTINGS" =~ ^[1-3]$ ]]; do
read -rp "IPv6 Choice [1-3]: " -e -i 1 SERVER_HOST_V6_SETTINGS
done
case $SERVER_HOST_V6_SETTINGS in
1)
SERVER_HOST_V6="$(curl -6 -s 'https://api.ipengine.dev' | jq -r '.network.ip')"
;;
2)
SERVER_HOST_V6="$(ip -6 addr | sed -ne 's|^.* inet6 \([^/]*\)/.* scope global.*$|\1|p' | head -1)"
;;
3)
read -rp "Custom IPv6: " -e -i "$(curl -6 -s 'https://api.ipengine.dev' | jq -r '.network.ip')" SERVER_HOST_V6
;;
esac
fi
}
# Get the IPV6
test-connectivity-v6
# Determine public nic
function server-pub-nic() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "How would you like to detect NIC?"
echo " 1) IP (Recommended)"
echo " 2) Custom (Advanced)"
until [[ "$SERVER_PUB_NIC_SETTINGS" =~ ^[1-2]$ ]]; do
read -rp "nic Choice [1-2]: " -e -i 1 SERVER_PUB_NIC_SETTINGS
done
case $SERVER_PUB_NIC_SETTINGS in
1)
SERVER_PUB_NIC="$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)"
;;
2)
read -rp "Custom NAT: " -e -i "$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)" SERVER_PUB_NIC
;;
esac
fi
}
# Determine public nic
server-pub-nic
# Determine host port
function set-port() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "What port do you want WireGuard server to listen to?"
echo " 1) 51820 (Recommended)"
echo " 2) Custom (Advanced)"
echo " 3) Random [1024-65535]"
until [[ "$SERVER_PORT_SETTINGS" =~ ^[1-3]$ ]]; do
read -rp "Port Choice [1-3]: " -e -i 1 SERVER_PORT_SETTINGS
done
case $SERVER_PORT_SETTINGS in
1)
SERVER_PORT="51820"
;;
2)
until [[ "$SERVER_PORT" =~ ^[0-9]+$ ]] && [ "$SERVER_PORT" -ge 1024 ] && [ "$SERVER_PORT" -le 65535 ]; do
read -rp "Custom port [1024-65535]: " -e -i 51820 SERVER_PORT
done
;;
3)
SERVER_PORT=$(shuf -i1024-65535 -n1)
echo "Random Port: $SERVER_PORT"
;;
esac
fi
}
# Set Port
set-port
# Determine Keepalive interval.
function nat-keepalive() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "What do you want your keepalive interval to be?"
echo " 1) 25 (Default)"
echo " 2) Custom (Advanced)"
echo " 3) Random [1-25]"
until [[ "$NAT_CHOICE_SETTINGS" =~ ^[1-3]$ ]]; do
read -rp "Nat Choice [1-3]: " -e -i 1 NAT_CHOICE_SETTINGS
done
case $NAT_CHOICE_SETTINGS in
1)
NAT_CHOICE="25"
;;
2)
until [[ "$NAT_CHOICE" =~ ^[0-9]+$ ]] && [ "$NAT_CHOICE" -ge 0 ] && [ "$NAT_CHOICE" -le 25 ]; do
read -rp "Custom NAT [0-25]: " -e -i 25 NAT_CHOICE
done
;;
3)
NAT_CHOICE=$(shuf -i1-25 -n1)
;;
esac
fi
}
# Keepalive
nat-keepalive
# Custom MTU or default settings
function mtu-set() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "What MTU do you want to use?"
echo " 1) 1280 (Recommended)"
echo " 2) 1420"
echo " 3) Custom (Advanced)"
until [[ "$MTU_CHOICE_SETTINGS" =~ ^[1-3]$ ]]; do
read -rp "MTU Choice [1-3]: " -e -i 1 MTU_CHOICE_SETTINGS
done
case $MTU_CHOICE_SETTINGS in
1)
MTU_CHOICE="1280"
;;
2)
MTU_CHOICE="1420"
;;
3)
until [[ "$MTU_CHOICE" =~ ^[0-9]+$ ]] && [ "$MTU_CHOICE" -ge 0 ] && [ "$MTU_CHOICE" -le 1500 ]; do
read -rp "Custom MTU [0-1500]: " -e -i 1280 MTU_CHOICE
done
;;
esac
fi
}
# Set MTU
mtu-set
# What ip version would you like to be available on this VPN?
function ipvx-select() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "What IPv do you want to use to connect to WireGuard server?"
echo " 1) IPv4 (Recommended)"
echo " 2) IPv6"
echo " 3) Custom (Advanced)"
until [[ "$SERVER_HOST_SETTINGS" =~ ^[1-3]$ ]]; do
read -rp "IP Choice [1-3]: " -e -i 1 SERVER_HOST_SETTINGS
done
case $SERVER_HOST_SETTINGS in
1)
SERVER_HOST="$SERVER_HOST_V4"
;;
2)
SERVER_HOST="[$SERVER_HOST_V6]"
;;
3)
read -rp "Custom Domain: " -e -i "$(curl -4 -s 'https://api.ipengine.dev' | jq -r '.network.hostname')" SERVER_HOST
;;
esac
fi
}
# IPv4 or IPv6 Selector
ipvx-select
# Do you want to disable IPv4 or IPv6 or leave them both enabled?
function disable-ipvx() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "Do you want to disable IPv4 or IPv6 on the server?"
echo " 1) No (Recommended)"
echo " 2) Disable IPV4"
echo " 3) Disable IPV6"
until [[ "$DISABLE_HOST_SETTINGS" =~ ^[1-3]$ ]]; do
read -rp "Disable Host Choice [1-3]: " -e -i 1 DISABLE_HOST_SETTINGS
done
case $DISABLE_HOST_SETTINGS in
1)
if [ ! -f "/etc/sysctl.d/wireguard.conf" ]; then
echo "net.ipv4.ip_forward=1" >>/etc/sysctl.d/wireguard.conf
echo "net.ipv6.conf.all.forwarding=1" >>/etc/sysctl.d/wireguard.conf
sysctl -p /etc/sysctl.d/wireguard.conf
fi
;;
2)
if [ ! -f "/etc/sysctl.d/wireguard.conf" ]; then
echo "net.ipv6.conf.all.forwarding=1" >>/etc/sysctl.d/wireguard.conf
sysctl -p /etc/sysctl.d/wireguard.conf
fi
;;
3)
if [ ! -f "/etc/sysctl.d/wireguard.conf" ]; then
echo "net.ipv4.ip_forward=1" >>/etc/sysctl.d/wireguard.conf
sysctl -p /etc/sysctl.d/wireguard.conf
fi
;;
esac
fi
}
# Disable Ipv4 or Ipv6
disable-ipvx
# Would you like to allow connections to your LAN neighbors?
function client-allowed-ip() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "What traffic do you want the client to forward to wireguard?"
echo " 1) Everything (Recommended)"
echo " 2) Exclude Private IPs"
echo " 3) Custom (Advanced)"
until [[ "$CLIENT_ALLOWED_IP_SETTINGS" =~ ^[1-3]$ ]]; do
read -rp "Client Allowed IP Choice [1-3]: " -e -i 1 CLIENT_ALLOWED_IP_SETTINGS
done
case $CLIENT_ALLOWED_IP_SETTINGS in
1)
CLIENT_ALLOWED_IP="0.0.0.0/0,::/0"
;;
2)
CLIENT_ALLOWED_IP="0.0.0.0/5,8.0.0.0/7,11.0.0.0/8,12.0.0.0/6,16.0.0.0/4,32.0.0.0/3,64.0.0.0/2,128.0.0.0/3,160.0.0.0/5,168.0.0.0/6,172.0.0.0/12,172.32.0.0/11,172.64.0.0/10,172.128.0.0/9,173.0.0.0/8,174.0.0.0/7,176.0.0.0/4,192.0.0.0/9,192.128.0.0/11,192.160.0.0/13,192.169.0.0/16,192.170.0.0/15,192.172.0.0/14,192.176.0.0/12,192.192.0.0/10,193.0.0.0/8,194.0.0.0/7,196.0.0.0/6,200.0.0.0/5,208.0.0.0/4"
;;
3)
read -rp "Custom IPs: " -e -i "0.0.0.0/0,::/0" CLIENT_ALLOWED_IP
;;
esac
fi
}
# Traffic Forwarding
client-allowed-ip
# Would you like to install Unbound.
function ask-install-dns() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "Which DNS provider would you like to use?"
echo " 1) Unbound (Recommended)"
echo " 2) PiHole"
echo " 3) Custom (Advanced)"
until [[ "$DNS_PROVIDER_SETTINGS" =~ ^[1-3]$ ]]; do
read -rp "DNS provider [1-3]: " -e -i 1 DNS_PROVIDER_SETTINGS
done
case $DNS_PROVIDER_SETTINGS in
1)
INSTALL_UNBOUND="y"
;;
2)
INSTALL_PIHOLE="y"
;;
3)
CUSTOM_DNS="y"
;;
esac
fi
}
# Ask To Install DNS
ask-install-dns
# What would you like to name your first WireGuard peer?
function client-name() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
if [ "$CLIENT_NAME" == "" ]; then
echo "Lets name the WireGuard Peer, Use one word only, no special characters. (No Spaces)"
read -rp "Client name: " -e CLIENT_NAME
fi
fi
}
# Client Name
client-name
# Lets check the kernel version and check if headers are required
function install-kernel-headers() {
KERNEL_VERSION_LIMIT=5.6
KERNEL_CURRENT_VERSION=$(uname -r | cut -c1-3)
if (($(echo "$KERNEL_CURRENT_VERSION <= $KERNEL_VERSION_LIMIT" | bc -l))); then
if { [ "$DISTRO" == "ubuntu" ] || [ "$DISTRO" == "debian" ] || [ "$DISTRO" == "pop" ] || [ "$DISTRO" == "kali" ] || [ "$DISTRO" == "linuxmint" ]; }; then
apt-get update
apt-get install linux-headers-"$(uname -r)" -y
elif [ "$DISTRO" == "raspbian" ]; then
apt-get update
apt-get install raspberrypi-kernel-headers -y
elif { [ "$DISTRO" == "arch" ] || [ "$DISTRO" == "manjaro" ]; }; then
pacman -Syu
pacman -Syu --noconfirm linux-headers
elif [ "$DISTRO" == "fedora" ]; then
dnf update -y
dnf install kernel-headers-"$(uname -r)" kernel-devel-"$(uname -r)" -y
elif { [ "$DISTRO" == "centos" ] || [ "$DISTRO" == "rhel" ]; }; then
yum update -y
yum install kernel-headers-"$(uname -r)" kernel-devel-"$(uname -r)" -y
fi
else
echo "Correct: You do not need kernel headers." >/dev/null 2>&1
fi
}
# Kernel Version
install-kernel-headers
# Install WireGuard Server
function install-wireguard-server() {
if ! [ -x "$(command -v wg)" ]; then
if [ "$DISTRO" == "ubuntu" ] && { [ "$DISTRO_VERSION" == "20.10" ] || [ "$DISTRO_VERSION" == "20.04" ] || [ "$DISTRO_VERSION" == "19.10" ]; }; then
apt-get update
apt-get install wireguard qrencode haveged ifupdown resolvconf -y
elif [ "$DISTRO" == "ubuntu" ] && { [ "$DISTRO_VERSION" == "16.04" ] || [ "$DISTRO_VERSION" == "18.04" ]; }; then
apt-get update
apt-get install software-properties-common -y
add-apt-repository ppa:wireguard/wireguard -y
apt-get update
apt-get install wireguard qrencode haveged ifupdown resolvconf -y
elif { [ "$DISTRO" == "pop" ] || [ "$DISTRO" == "linuxmint" ]; }; then
apt-get update
apt-get install wireguard qrencode haveged ifupdown resolvconf -y
elif { [ "$DISTRO" == "debian" ] || [ "$DISTRO" == "kali" ]; }; then
apt-get update
if [ ! -f "/etc/apt/sources.list.d/unstable.list" ]; then
echo "deb http://deb.debian.org/debian/ unstable main" >>/etc/apt/sources.list.d/unstable.list
fi
if [ ! -f "/etc/apt/preferences.d/limit-unstable" ]; then
printf "Package: *\nPin: release a=unstable\nPin-Priority: 90\n" >>/etc/apt/preferences.d/limit-unstable
fi
apt-get update
apt-get install wireguard qrencode haveged ifupdown resolvconf -y
elif [ "$DISTRO" == "raspbian" ]; then
apt-get update
apt-get install dirmngr -y
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 04EE7237B7D453EC
if [ ! -f "/etc/apt/sources.list.d/unstable.list" ]; then
echo "deb http://deb.debian.org/debian/ unstable main" >>/etc/apt/sources.list.d/unstable.list
fi
if [ ! -f "/etc/apt/preferences.d/limit-unstable" ]; then
printf "Package: *\nPin: release a=unstable\nPin-Priority: 90\n" >>/etc/apt/preferences.d/limit-unstable
fi
apt-get update
apt-get install wireguard qrencode haveged ifupdown resolvconf -y
elif { [ "$DISTRO" == "arch" ] || [ "$DISTRO" == "manjaro" ]; }; then
pacman -Syu
pacman -Syu --noconfirm haveged qrencode iptables resolvconf
pacman -Syu --noconfirm wireguard-tools
elif [ "$DISTRO" = "fedora" ] && [ "$DISTRO_VERSION" == "32" ]; then
dnf update -y
dnf install qrencode wireguard-tools haveged resolvconf -y
elif [ "$DISTRO" = "fedora" ] && { [ "$DISTRO_VERSION" == "30" ] || [ "$DISTRO_VERSION" == "31" ]; }; then
dnf update -y
dnf copr enable jdoss/wireguard -y
dnf install qrencode wireguard-dkms wireguard-tools haveged resolvconf -y
elif [ "$DISTRO" == "centos" ] && { [ "$DISTRO_VERSION" == "8" ] || [ "$DISTRO_VERSION" == "8.1" ]; }; then
yum update -y
yum config-manager --set-enabled PowerTools
yum copr enable jdoss/wireguard -y
yum install wireguard-dkms wireguard-tools qrencode haveged resolvconf -y
elif [ "$DISTRO" == "centos" ] && [ "$DISTRO_VERSION" == "7" ]; then
yum update -y
if [ ! -f "/etc/yum.repos.d/wireguard.repo" ]; then
curl https://copr.fedorainfracloud.org/coprs/jdoss/wireguard/repo/epel-7/jdoss-wireguard-epel-7.repo --create-dirs -o /etc/yum.repos.d/wireguard.repo
fi
yum update -y
yum install wireguard-dkms wireguard-tools qrencode haveged resolvconf -y
elif [ "$DISTRO" == "rhel" ] && [ "$DISTRO_VERSION" == "8" ]; then
yum update -y
yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
yum update -y
subscription-manager repos --enable codeready-builder-for-rhel-8-"$(arch)"-rpms
yum copr enable jdoss/wireguard
yum install wireguard-dkms wireguard-tools qrencode haveged resolvconf -y
elif [ "$DISTRO" == "rhel" ] && [ "$DISTRO_VERSION" == "7" ]; then
yum update -y
if [ ! -f "/etc/yum.repos.d/wireguard.repo" ]; then
curl https://copr.fedorainfracloud.org/coprs/jdoss/wireguard/repo/epel-7/jdoss-wireguard-epel-7.repo --create-dirs -o /etc/yum.repos.d/wireguard.repo
fi
yum update -y
yum install wireguard-dkms wireguard-tools qrencode haveged resolvconf -y
elif [ "$DISTRO" == "alpine" ]; then
apk update
apk add wireguard-tools libqrencode haveged
fi
fi
}
# Install WireGuard Server
install-wireguard-server
# Install wireguard manager config
function install-wireguard-manager-file() {
if [ ! -f "$WIREGUARD_MANAGER" ]; then
echo "WireGuard: true" >>$WIREGUARD_MANAGER
fi
}
# wireguard manager config
install-wireguard-manager-file
# Function to install unbound
function install-unbound() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
if [ "$INSTALL_UNBOUND" = "y" ]; then
if ! [ -x "$(command -v unbound)" ]; then
if [ "$DISTRO" == "ubuntu" ]; then
apt-get install unbound unbound-host e2fsprogs -y
if pgrep systemd-journal; then
systemctl stop systemd-resolved
systemctl disable systemd-resolved
else
service systemd-resolved stop
service systemd-resolved disable
fi
elif { [ "$DISTRO" == "debian" ] || [ "$DISTRO" == "raspbian" ] || [ "$DISTRO" == "pop" ] || [ "$DISTRO" == "kali" ] || [ "$DISTRO" == "linuxmint" ]; }; then
apt-get install unbound unbound-host e2fsprogs -y
elif { [ "$DISTRO" == "centos" ] || [ "$DISTRO" == "rhel" ]; }; then
yum install unbound unbound-libs -y
elif [ "$DISTRO" == "fedora" ]; then
dnf install unbound -y
elif { [ "$DISTRO" == "arch" ] || [ "$DISTRO" == "manjaro" ]; }; then
pacman -Syu --noconfirm unbound
elif [ "$DISTRO" == "alpine" ]; then
apk add unbound
fi
unbound-anchor -a /var/lib/unbound/root.key
rm -f /etc/unbound/unbound.conf
NPROC=$(nproc)
echo "server:
num-threads: $NPROC
verbosity: 1
root-hints: /etc/unbound/root.hints
auto-trust-anchor-file: /var/lib/unbound/root.key
interface: 0.0.0.0
interface: ::0
max-udp-size: 3072
access-control: 0.0.0.0/0 refuse
access-control: ::0 refuse
access-control: $PRIVATE_SUBNET_V4 allow
access-control: $PRIVATE_SUBNET_V6 allow
access-control: 127.0.0.1 allow
private-address: $PRIVATE_SUBNET_V4
private-address: $PRIVATE_SUBNET_V6
hide-identity: yes
hide-version: yes
harden-glue: yes
harden-dnssec-stripped: yes
harden-referral-path: yes
unwanted-reply-threshold: 10000000
val-log-level: 1
cache-min-ttl: 1800
cache-max-ttl: 14400
prefetch: yes
qname-minimisation: yes
prefetch-key: yes" >>/etc/unbound/unbound.conf
# Set DNS Root Servers
curl https://www.internic.net/domain/named.cache --create-dirs -o /etc/unbound/root.hints
chattr -i /etc/resolv.conf
mv /etc/resolv.conf /etc/resolv.conf.old
echo "nameserver 127.0.0.1" >>/etc/resolv.conf
echo "nameserver ::1" >>/etc/resolv.conf
chattr +i /etc/resolv.conf
echo "Unbound: true" >>$UNBOUND_MANAGER
# restart unbound
if pgrep systemd-journal; then
systemctl enable unbound
systemctl restart unbound
else
service unbound enable
service unbound restart
fi
fi
CLIENT_DNS="$GATEWAY_ADDRESS_V4,$GATEWAY_ADDRESS_V6"
fi
fi
}
# Running Install Unbound
install-unbound
# Install pihole
function install-pihole() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
if [ "$INSTALL_PIHOLE" = "y" ]; then
if ! [ -x "$(command -v pihole)" ]; then
curl -sSL https://install.pi-hole.net | bash
echo "PiHole: true" >>$PIHOLE_MANAGER
fi
CLIENT_DNS="$GATEWAY_ADDRESS_V4,$GATEWAY_ADDRESS_V6"
fi
fi
}
# install pihole
install-pihole
# Use custom dns
function custom-dns() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
if [ "$CUSTOM_DNS" == "y" ]; then
echo "Which DNS do you want to use with the VPN?"
echo " 1) Google (Recommended)"
echo " 2) AdGuard"
echo " 3) NextDNS"
echo " 4) OpenDNS"
echo " 5) Cloudflare"
echo " 6) Verisign"
echo " 7) Quad9"
echo " 8) FDN"
echo " 9) Custom (Advanced)"
until [[ "$CLIENT_DNS_SETTINGS" =~ ^[0-9]+$ ]] && [ "$CLIENT_DNS_SETTINGS" -ge 1 ] && [ "$CLIENT_DNS_SETTINGS" -le 9 ]; do
read -rp "DNS [1-9]: " -e -i 1 CLIENT_DNS_SETTINGS
done
case $CLIENT_DNS_SETTINGS in
1)
CLIENT_DNS="8.8.8.8,8.8.4.4,2001:4860:4860::8888,2001:4860:4860::8844"
;;
2)
CLIENT_DNS="176.103.130.130,176.103.130.131,2a00:5a60::ad1:0ff,2a00:5a60::ad2:0ff"
;;
3)
CLIENT_DNS="45.90.28.167,45.90.30.167,2a07:a8c0::12:cf53,2a07:a8c1::12:cf53"
;;
4)
CLIENT_DNS="208.67.222.222,208.67.220.220,2620:119:35::35,2620:119:53::53"
;;
5)
CLIENT_DNS="1.1.1.1,1.0.0.1,2606:4700:4700::1111,2606:4700:4700::1001"
;;
6)
CLIENT_DNS="64.6.64.6,64.6.65.6,2620:74:1b::1:1,2620:74:1c::2:2"
;;
7)
CLIENT_DNS="9.9.9.9,149.112.112.112,2620:fe::fe,2620:fe::9"
;;
8)
CLIENT_DNS="80.67.169.40,80.67.169.12,2001:910:800::40,2001:910:800::12"
;;
9)
read -rp "Custom DNS (IPv4 IPv6):" -e -i "8.8.8.8,8.8.4.4,2001:4860:4860::8888,2001:4860:4860::8844" CLIENT_DNS
;;
esac
fi
fi
}
# use custom dns
custom-dns
# WireGuard Set Config
function wireguard-setconf() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
SERVER_PRIVKEY=$(wg genkey)
SERVER_PUBKEY=$(echo "$SERVER_PRIVKEY" | wg pubkey)
CLIENT_PRIVKEY=$(wg genkey)
CLIENT_PUBKEY=$(echo "$CLIENT_PRIVKEY" | wg pubkey)
CLIENT_ADDRESS_V4="${PRIVATE_SUBNET_V4::-4}3"
CLIENT_ADDRESS_V6="${PRIVATE_SUBNET_V6::-4}3"
PRESHARED_KEY=$(wg genpsk)
PEER_PORT=$(shuf -i1024-65535 -n1)
mkdir -p $WIREGUARD_CLIENT_PATH && chmod 755 $WIREGUARD_CLIENT_PATH
touch $WIREGUARD_CONFIG && chmod 600 $WIREGUARD_CONFIG
# Set Wireguard settings for this host and first peer.
echo "# $PRIVATE_SUBNET_V4 $PRIVATE_SUBNET_V6 $SERVER_HOST:$SERVER_PORT $SERVER_PUBKEY $CLIENT_DNS $MTU_CHOICE $NAT_CHOICE $CLIENT_ALLOWED_IP
[Interface]
Address = $GATEWAY_ADDRESS_V4/$PRIVATE_SUBNET_MASK_V4,$GATEWAY_ADDRESS_V6/$PRIVATE_SUBNET_MASK_V6
ListenPort = $SERVER_PORT
PrivateKey = $SERVER_PRIVKEY
PostUp = iptables -A FORWARD -i $WIREGUARD_PUB_NIC -j ACCEPT; iptables -t nat -A POSTROUTING -o $SERVER_PUB_NIC -j MASQUERADE; ip6tables -A FORWARD -i $WIREGUARD_PUB_NIC -j ACCEPT; ip6tables -t nat -A POSTROUTING -o $SERVER_PUB_NIC -j MASQUERADE; iptables -A INPUT -s $PRIVATE_SUBNET_V4 -p udp -m udp --dport 53 -m conntrack --ctstate NEW -j ACCEPT; ip6tables -A INPUT -s $PRIVATE_SUBNET_V6 -p udp -m udp --dport 53 -m conntrack --ctstate NEW -j ACCEPT
PostDown = iptables -D FORWARD -i $WIREGUARD_PUB_NIC -j ACCEPT; iptables -t nat -D POSTROUTING -o $SERVER_PUB_NIC -j MASQUERADE; ip6tables -D FORWARD -i $WIREGUARD_PUB_NIC -j ACCEPT; ip6tables -t nat -D POSTROUTING -o $SERVER_PUB_NIC -j MASQUERADE; iptables -D INPUT -s $PRIVATE_SUBNET_V4 -p udp -m udp --dport 53 -m conntrack --ctstate NEW -j ACCEPT; ip6tables -D INPUT -s $PRIVATE_SUBNET_V6 -p udp -m udp --dport 53 -m conntrack --ctstate NEW -j ACCEPT
SaveConfig = false
# $CLIENT_NAME start
[Peer]
PublicKey = $CLIENT_PUBKEY
PresharedKey = $PRESHARED_KEY
AllowedIPs = $CLIENT_ADDRESS_V4/32,$CLIENT_ADDRESS_V6/128
# $CLIENT_NAME end" >>$WIREGUARD_CONFIG
echo "# $CLIENT_NAME
[Interface]
Address = $CLIENT_ADDRESS_V4/$PRIVATE_SUBNET_MASK_V4,$CLIENT_ADDRESS_V6/$PRIVATE_SUBNET_MASK_V6
DNS = $CLIENT_DNS
ListenPort = $PEER_PORT
MTU = $MTU_CHOICE
PrivateKey = $CLIENT_PRIVKEY
[Peer]
AllowedIPs = $CLIENT_ALLOWED_IP
Endpoint = $SERVER_HOST:$SERVER_PORT
PersistentKeepalive = $NAT_CHOICE
PresharedKey = $PRESHARED_KEY
PublicKey = $SERVER_PUBKEY" >>$WIREGUARD_CLIENT_PATH/"$CLIENT_NAME"-$WIREGUARD_PUB_NIC.conf
# Service Restart
if pgrep systemd-journal; then
systemctl enable wg-quick@$WIREGUARD_PUB_NIC
systemctl restart wg-quick@$WIREGUARD_PUB_NIC
else
service wg-quick@$WIREGUARD_PUB_NIC enable
service wg-quick@$WIREGUARD_PUB_NIC restart
fi
# Generate QR Code
qrencode -t ansiutf8 -l L <$WIREGUARD_CLIENT_PATH/"$CLIENT_NAME"-$WIREGUARD_PUB_NIC.conf
echo "Client Config --> $WIREGUARD_CLIENT_PATH/$CLIENT_NAME-$WIREGUARD_PUB_NIC.conf"
fi
}
# Setting Up Wireguard Config
wireguard-setconf
# After WireGuard Install
else
# Already installed what next?
function wireguard-next-questions() {
if [ -f "$WIREGUARD_INTERFACE" ]; then
echo "What do you want to do?"
echo " 1) Show WireGuard Interface"
echo " 2) Start WireGuard Interface"
echo " 3) Stop WireGuard Interface"
echo " 4) Restart WireGuard Interface"
echo " 5) Add WireGuard Peer"
echo " 6) Remove WireGuard Peer"
echo " 7) Reinstall WireGuard Interface"
echo " 8) Uninstall WireGuard Interface"
echo " 9) Update this script"
echo " 10) Backup WireGuard Config"
echo " 11) Restore WireGuard Config"
until [[ "$WIREGUARD_OPTIONS" =~ ^[0-9]+$ ]] && [ "$WIREGUARD_OPTIONS" -ge 1 ] && [ "$WIREGUARD_OPTIONS" -le 11 ]; do
read -rp "Select an Option [1-11]: " -e -i 1 WIREGUARD_OPTIONS
done
case $WIREGUARD_OPTIONS in
1) # WG Show
wg show
;;
2) # Enable & Start Wireguard
if pgrep systemd-journal; then
systemctl enable wg-quick@$WIREGUARD_PUB_NIC
systemctl start wg-quick@$WIREGUARD_PUB_NIC
else
service wg-quick@$WIREGUARD_PUB_NIC enable
service wg-quick@$WIREGUARD_PUB_NIC start
fi
;;
3) # Disable & Stop WireGuard
if pgrep systemd-journal; then