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wireguard-manager.sh
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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 [ "${EUID}" -ne 0 ]; then
echo "You need to run this script as super user."
exit
fi
}
# Check for root
super-user-check
# Detect Operating System
function dist-check() {
if [ -e /etc/os-release ]; then
# shellcheck disable=SC1091
source /etc/os-release
DISTRO=${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}" == "archarm" ] || [ "${DISTRO}" == "manjaro" ] || [ "${DISTRO}" == "alpine" ] || [ "${DISTRO}" == "freebsd" ]; }; then
if { [ ! -x "$(command -v curl)" ] || [ ! -x "$(command -v iptables)" ] || [ ! -x "$(command -v bc)" ] || [ ! -x "$(command -v jq)" ] || [ ! -x "$(command -v cron)" ] || [ ! -x "$(command -v sed)" ] || [ ! -x "$(command -v zip)" ] || [ ! -x "$(command -v unzip)" ] || [ ! -x "$(command -v grep)" ] || [ ! -x "$(command -v awk)" ] || [ ! -x "$(command -v shuf)" ] || [ ! -x "$(command -v openssl)" ]; }; then
if { [ "${DISTRO}" == "ubuntu" ] || [ "${DISTRO}" == "debian" ] || [ "${DISTRO}" == "raspbian" ] || [ "${DISTRO}" == "pop" ] || [ "${DISTRO}" == "kali" ] || [ "${DISTRO}" == "linuxmint" ]; }; then
apt-get update && apt-get install iptables curl coreutils bc jq sed e2fsprogs zip unzip grep gawk iproute2 systemd openssl cron -y
elif { [ "${DISTRO}" == "fedora" ] || [ "${DISTRO}" == "centos" ] || [ "${DISTRO}" == "rhel" ]; }; then
yum update -y && yum install iptables curl coreutils bc jq sed e2fsprogs zip unzip grep gawk systemd openssl cron -y
elif { [ "${DISTRO}" == "arch" ] || [ "${DISTRO}" == "archarm" ] || [ "${DISTRO}" == "manjaro" ]; }; then
pacman -Syu --noconfirm --needed iptables curl bc jq sed zip unzip grep gawk iproute2 systemd coreutils openssl cron
elif [ "${DISTRO}" == "alpine" ]; then
apk update && apk add iptables curl bc jq sed zip unzip grep gawk iproute2 systemd coreutils openssl cron
elif [ "${DISTRO}" == "freebsd" ]; then
pkg update && pkg install curl jq zip unzip gawk openssl cron
fi
fi
else
echo "Error: ${DISTRO} not supported."
exit
fi
}
# Run the function and check for requirements
installing-system-requirements
# Checking For Virtualization
function virt-check() {
# Deny OpenVZ Virtualization
if [ "$(systemd-detect-virt)" == "openvz" ]; then
echo "OpenVZ virtualization is not supported (yet)."
exit
# Deny LXC Virtualization
elif [ "$(systemd-detect-virt)" == "lxc" ]; then
echo "LXC virtualization is not supported (yet)."
exit
fi
}
# Virtualization Check
virt-check
# Check for docker stuff
function docker-check() {
if [ -f /.dockerenv ]; then
DOCKER_KERNEL_VERSION_LIMIT=5.6
DOCKER_KERNEL_CURRENT_VERSION=$(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 ${KERNEL_VERSION_LIMIT}"
exit
fi
}
# Kernel Version
kernel-check
# Global variables
WIREGUARD_WEBSITE_URL="https://www.wireguard.com"
WIREGUARD_PATH="/etc/wireguard"
WIREGUARD_CLIENT_PATH="${WIREGUARD_PATH}/clients"
WIREGUARD_PUB_NIC="wg0"
WIREGUARD_CONFIG="${WIREGUARD_PATH}/${WIREGUARD_PUB_NIC}.conf"
WIREGUARD_ADD_PEER_CONFIG="${WIREGUARD_PATH}/${WIREGUARD_PUB_NIC}-add-peer.conf"
WIREGUARD_MANAGER="${WIREGUARD_PATH}/wireguard-manager"
WIREGUARD_INTERFACE="${WIREGUARD_PATH}/wireguard-interface"
WIREGUARD_PEER="${WIREGUARD_PATH}/wireguard-peer"
WIREGUARD_MANAGER_UPDATE="https://raw.githubusercontent.com/complexorganizations/wireguard-manager/main/wireguard-manager.sh"
WIREGUARD_CONFIG_BACKUP="/var/backups/wireguard-manager.zip"
WIREGUARD_IP_FORWARDING_CONFIG="/etc/sysctl.d/wireguard.conf"
PIHOLE_ROOT="/etc/pihole"
PIHOLE_MANAGER="${PIHOLE_ROOT}/wireguard-manager"
RESOLV_CONFIG="/etc/resolv.conf"
RESOLV_CONFIG_OLD="${RESOLV_CONFIG}.old"
UNBOUND_ROOT="/etc/unbound"
UNBOUND_MANAGER="${UNBOUND_ROOT}/wireguard-manager"
UNBOUND_CONFIG="${UNBOUND_ROOT}/unbound.conf"
UNBOUND_ROOT_HINTS="${UNBOUND_ROOT}/root.hints"
UNBOUND_ANCHOR="/var/lib/unbound/root.key"
UNBOUND_ROOT_SERVER_CONFIG_URL="https://www.internic.net/domain/named.cache"
CRON_JOBS_PATH="${WIREGUARD_PATH}/crontab-add"
# Verify that it is an old installation or another installer
function previous-wireguard-installation() {
if [ -d "${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 ${INTERFACE_OR_PEER} in
1)
if [ -d "${WIREGUARD_PATH}" ]; then
if [ -f "${WIREGUARD_PEER}" ]; then
rm -rf ${WIREGUARD_PATH}
fi
fi
if [ ! -d "${WIREGUARD_PATH}" ]; then
mkdir -p ${WIREGUARD_PATH}
fi
if [ ! -f "${WIREGUARD_INTERFACE}" ]; then
echo "WireGuard Interface: true" >>${WIREGUARD_INTERFACE}
fi
;;
2)
if [ -d "${WIREGUARD_PATH}" ]; then
if [ -f "${WIREGUARD_INTERFACE}" ]; then
rm -rf ${WIREGUARD_PATH}
fi
fi
if [ ! -d "${WIREGUARD_PATH}" ]; then
mkdir -p ${WIREGUARD_PATH}
fi
if [ ! -f "${WIREGUARD_PEER}" ]; then
echo "WireGuard Peer: true" >>${WIREGUARD_PEER}
fi
;;
esac
fi
}
# Interface or Peer
interface-or-peer
# Usage Guide
function usage-guide() {
if [ -f "${WIREGUARD_INTERFACE}" ]; then
echo "usage: ./$(basename "$0") <command>"
echo " --install Install WireGuard"
echo " --start Start WireGuard"
echo " --stop Stop WireGuard"
echo " --restart Restart WireGuard"
echo " --list Show WireGuard"
echo " --add Add WireGuard Peer"
echo " --remove Remove WireGuard Peer"
echo " --reinstall Reinstall WireGuard"
echo " --uninstall Uninstall WireGuard"
echo " --update Update WireGuard Manager"
echo " --backup Backup WireGuard"
echo " --restore Restore WireGuard"
echo " --help Show Usage Guide"
exit
fi
}
# The usage of the script
function usage() {
if [ -f "${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}
;;
--notification)
shift
WIREGUARD_OPTIONS=${WIREGUARD_OPTIONS:-12}
;;
--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=${CLIENT_ALLOWED_IP_SETTINGS:-1}
AUTOMATIC_UPDATES_SETTINGS=${AUTOMATIC_UPDATES_SETTINGS:-1}
NOTIFICATIONS_PREFERENCE_SETTINGS=${NOTIFICATIONS_PREFERENCE_SETTINGS:-1}
DNS_PROVIDER_SETTINGS=${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 ${IPV4_SUBNET_SETTINGS} in
1)
IPV4_SUBNET="10.8.0.0/24"
;;
2)
IPV4_SUBNET="10.0.0.0/24"
;;
3)
read -rp "Custom Subnet: " -e -i "10.8.0.0/24" IPV4_SUBNET
if [ -z "${IPV4_SUBNET}" ]; then
IPV4_SUBNET="10.8.0.0/24"
fi
;;
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 ${IPV6_SUBNET_SETTINGS} in
1)
IPV6_SUBNET="fd42:42:42::0/64"
;;
2)
IPV6_SUBNET="fd86:ea04:1115::0/64"
;;
3)
read -rp "Custom Subnet: " -e -i "fd42:42:42::0/64" IPV6_SUBNET
if [ -z "${IPV6_SUBNET}" ]; then
IPV6_SUBNET="fd42:42:42::0/64"
fi
;;
esac
fi
}
# Custom ipv6 Subnet
set-ipv6-subnet
if [ -f "${WIREGUARD_INTERFACE}" ]; then
# Private Subnet Ipv4
PRIVATE_SUBNET_V4=${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="${PRIVATE_SUBNET_V6::-4}1"
fi
# Get the IPV4
function test-connectivity-v4() {
if [ -f "${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 route get 8.8.8.8 | grep src | sed 's/.*src \(.* \)/\1/g' | cut -f1 -d ' ')"
;;
3)
read -rp "Custom IPv4: " -e -i "$(curl -4 -s 'https://api.ipengine.dev' | jq -r '.network.ip')" SERVER_HOST_V4
if [ -z "${SERVER_HOST_V4}" ]; then
SERVER_HOST_V4="$(curl -4 -s 'https://api.ipengine.dev' | jq -r '.network.ip')"
fi
;;
esac
fi
}
# Get the IPV4
test-connectivity-v4
# Determine ipv6
function test-connectivity-v6() {
if [ -f "${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
if [ -z "${SERVER_HOST_V6}" ]; then
SERVER_HOST_V6="$(curl -6 -s 'https://api.ipengine.dev' | jq -r '.network.ip')"
fi
;;
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 "$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)" SERVER_PUB_NIC
if [ -z "${SERVER_PUB_NIC}" ]; then
SERVER_PUB_NIC="$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)"
fi
;;
esac
fi
}
# Determine public nic
server-pub-nic
# Determine host port
function set-port() {
if [ -f "${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 [1-65535]"
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]+$ ]] && [ "${NAT_CHOICE}" -ge 1 ] && [ "${NAT_CHOICE}" -le 65535 ]; do
read -rp "Custom NAT [1-65535]: " -e -i 25 NAT_CHOICE
done
;;
3)
NAT_CHOICE=$(shuf -i1-65535 -n1)
;;
esac
fi
}
# Keepalive
nat-keepalive
# Custom MTU or default settings
function mtu-set() {
if [ -f "${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]+$ ]] && [ "${MTU_CHOICE}" -ge 1 ] && [ "${MTU_CHOICE}" -le 65535 ]; do
read -rp "Custom MTU [1-65535]: " -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 ${SERVER_HOST_SETTINGS} in
1)
if [ -n "${SERVER_HOST_V4}" ]; then
SERVER_HOST="${SERVER_HOST_V4}"
else
SERVER_HOST="[${SERVER_HOST_V6}]"
fi
;;
2)
if [ -n "${SERVER_HOST_V6}" ]; then
SERVER_HOST="[${SERVER_HOST_V6}]"
else
SERVER_HOST="${SERVER_HOST_V4}"
fi
;;
3)
read -rp "Custom Domain: " -e -i "$(curl -4 -s 'https://api.ipengine.dev' | jq -r '.network.hostname')" SERVER_HOST
if [ -z "${SERVER_HOST}" ]; then
SERVER_HOST="$(curl -4 -s 'https://api.ipengine.dev' | jq -r '.network.ip')"
fi
;;
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 ${DISABLE_HOST_SETTINGS} in
1)
if [ ! -f "${WIREGUARD_IP_FORWARDING_CONFIG}" ]; then
rm -f ${WIREGUARD_IP_FORWARDING_CONFIG}
fi
if [ ! -f "${WIREGUARD_IP_FORWARDING_CONFIG}" ]; then
echo "net.ipv4.ip_forward=1" >>${WIREGUARD_IP_FORWARDING_CONFIG}
echo "net.ipv6.conf.all.forwarding=1" >>${WIREGUARD_IP_FORWARDING_CONFIG}
sysctl -p ${WIREGUARD_IP_FORWARDING_CONFIG}
fi
;;
2)
if [ ! -f "${WIREGUARD_IP_FORWARDING_CONFIG}" ]; then
rm -f ${WIREGUARD_IP_FORWARDING_CONFIG}
fi
if [ ! -f "${WIREGUARD_IP_FORWARDING_CONFIG}" ]; then
echo "net.ipv6.conf.all.forwarding=1" >>${WIREGUARD_IP_FORWARDING_CONFIG}
sysctl -p ${WIREGUARD_IP_FORWARDING_CONFIG}
fi
;;
3)
if [ ! -f "${WIREGUARD_IP_FORWARDING_CONFIG}" ]; then
rm -f ${WIREGUARD_IP_FORWARDING_CONFIG}
fi
if [ ! -f "${WIREGUARD_IP_FORWARDING_CONFIG}" ]; then
echo "net.ipv4.ip_forward=1" >>${WIREGUARD_IP_FORWARDING_CONFIG}
sysctl -p ${WIREGUARD_IP_FORWARDING_CONFIG}
fi
;;
esac
fi
}
# Disable Ipv4 or Ipv6
disable-ipvx
# Would you like to allow connections to your LAN neighbors?
function client-allowed-ip() {
if [ -f "${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 ${CLIENT_ALLOWED_IP_SETTINGS} in
1)
CLIENT_ALLOWED_IP="0.0.0.0/0,::/0"
;;
2)
CLIENT_ALLOWED_IP="0.0.0.0/5,8.0.0.0/7,11.0.0.0/8,12.0.0.0/6,16.0.0.0/4,32.0.0.0/3,64.0.0.0/2,128.0.0.0/3,160.0.0.0/5,168.0.0.0/6,172.0.0.0/12,172.32.0.0/11,172.64.0.0/10,172.128.0.0/9,173.0.0.0/8,174.0.0.0/7,176.0.0.0/4,192.0.0.0/9,192.128.0.0/11,192.160.0.0/13,192.169.0.0/16,192.170.0.0/15,192.172.0.0/14,192.176.0.0/12,192.192.0.0/10,193.0.0.0/8,194.0.0.0/7,196.0.0.0/6,200.0.0.0/5,208.0.0.0/4,::/0,${GATEWAY_ADDRESS_V4}/32"
;;
3)
read -rp "Custom IPs: " -e -i "0.0.0.0/0,::/0" CLIENT_ALLOWED_IP
if [ -z "${CLIENT_ALLOWED_IP}" ]; then
CLIENT_ALLOWED_IP="0.0.0.0/0,::/0"
fi
;;
esac
fi
}
# Traffic Forwarding
client-allowed-ip
# Send real time notifications
function enable-automatic-updates() {
if { [ -f "${WIREGUARD_INTERFACE}" ] || [ -f "${WIREGUARD_PEER}" ]; }; then
echo "Would you like to setup real-time updates?"
echo " 1) Yes (Recommended)"
echo " 2) No (Advanced)"
until [[ "${AUTOMATIC_UPDATES_SETTINGS}" =~ ^[1-3]$ ]]; do
read -rp "Automatic Updates [1-2]: " -e -i 1 AUTOMATIC_UPDATES_SETTINGS
done
case ${AUTOMATIC_UPDATES_SETTINGS} in
1)
echo "0 0 * * * $(realpath "$0") --update" >>"${CRON_JOBS_PATH}"
crontab ${CRON_JOBS_PATH}
rm -f ${CRON_JOBS_PATH}
if pgrep systemd-journal; then
systemctl enable cron
systemctl restart cron
else
service cron enable
service cron restart
fi
;;
2)
echo "Real-time Updates Disabled"
;;
esac
fi
}
# Get the IPV4
enable-automatic-updates
# Send real time notifications
function real-time-notifications() {
if { [ -f "${WIREGUARD_INTERFACE}" ] || [ -f "${WIREGUARD_PEER}" ]; }; then
echo "Would you like to setup notifications?"
echo " 1) No (Recommended)"
echo " 2) Twilio (Advanced)"
until [[ "${NOTIFICATIONS_PREFERENCE_SETTINGS}" =~ ^[1-2]$ ]]; do
read -rp "Notifications setup [1-2]: " -e -i 1 NOTIFICATIONS_PREFERENCE_SETTINGS
done
case ${NOTIFICATIONS_PREFERENCE_SETTINGS} in
1)
echo "Real-time Notifications Disabled"
;;
2)
read -rp "Twilio Account SID: " -e -i "" TWILIO_ACCOUNT_SID
if [ -z "${TWILIO_ACCOUNT_SID}" ]; then
TWILIO_ACCOUNT_SID="$(openssl rand -hex 10)"
fi
read -rp "Twilio Auth Token: " -e -i "" TWILIO_AUTH_TOKEN
if [ -z "${TWILIO_AUTH_TOKEN}" ]; then
TWILIO_AUTH_TOKEN="$(openssl rand -hex 10)"
fi
read -rp "Twilio From Number: " -e -i "" TWILIO_FROM_NUMBER
if [ -z "${TWILIO_FROM_NUMBER}" ]; then
TWILIO_FROM_NUMBER="$(openssl rand -hex 10)"
fi
read -rp "Twilio To Number: " -e -i "" TWILIO_TO_NUMBER
if [ -z "${TWILIO_TO_NUMBER}" ]; then
TWILIO_TO_NUMBER="$(openssl rand -hex 10)"
fi
echo "* * * * * $(realpath "$0") --notification" >>"${CRON_JOBS_PATH}"
crontab ${CRON_JOBS_PATH}
rm -f ${CRON_JOBS_PATH}
if pgrep systemd-journal; then
systemctl enable cron
systemctl restart cron
else
service cron enable
service cron restart
fi
;;
esac
fi
}
# Get the IPV4
real-time-notifications
# Would you like to install Unbound.
function ask-install-dns() {
if [ -f "${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 ${DNS_PROVIDER_SETTINGS} in
1)
INSTALL_UNBOUND="y"
;;
2)
INSTALL_PIHOLE="y"
;;
3)
CUSTOM_DNS="y"
;;
esac
fi
}
# Ask To Install DNS
ask-install-dns
# Use custom dns
function custom-dns() {
if [ -f "${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 ${CLIENT_DNS_SETTINGS} in
1)
CLIENT_DNS="8.8.8.8,8.8.4.4,2001:4860:4860::8888,2001:4860:4860::8844"
;;
2)
CLIENT_DNS="176.103.130.130,176.103.130.131,2a00:5a60::ad1:0ff,2a00:5a60::ad2:0ff"
;;
3)
CLIENT_DNS="45.90.28.167,45.90.30.167,2a07:a8c0::12:cf53,2a07:a8c1::12:cf53"
;;
4)
CLIENT_DNS="208.67.222.222,208.67.220.220,2620:119:35::35,2620:119:53::53"
;;
5)
CLIENT_DNS="1.1.1.1,1.0.0.1,2606:4700:4700::1111,2606:4700:4700::1001"
;;
6)
CLIENT_DNS="64.6.64.6,64.6.65.6,2620:74:1b::1:1,2620:74:1c::2:2"
;;
7)
CLIENT_DNS="9.9.9.9,149.112.112.112,2620:fe::fe,2620:fe::9"
;;
8)
CLIENT_DNS="80.67.169.40,80.67.169.12,2001:910:800::40,2001:910:800::12"
;;
9)
read -rp "Custom DNS (IPv4 IPv6):" -e -i "8.8.8.8,8.8.4.4,2001:4860:4860::8888,2001:4860:4860::8844" CLIENT_DNS
if [ -z "${CLIENT_DNS}" ]; then
CLIENT_DNS="8.8.8.8,8.8.4.4,2001:4860:4860::8888,2001:4860:4860::8844"
fi
;;
esac
fi
fi
}
# use custom dns
custom-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
if [ -z "${CLIENT_NAME}" ]; then
CLIENT_NAME="$(openssl rand -hex 50)"
fi
fi
}
# Client Name
client-name
# Lets check the kernel version and check if headers are required
function install-kernel-headers() {
if { [ -f "${WIREGUARD_INTERFACE}" ] || [ -f "${WIREGUARD_PEER}" ]; }; then
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}" == "archarm" ] || [ "${DISTRO}" == "manjaro" ]; }; then
pacman -Syu
pacman -Syu --noconfirm --needed linux-headers
elif [ "${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
fi
}
# Kernel Version
install-kernel-headers
# Install WireGuard Server
function install-wireguard-server() {
if { [ ! -x "$(command -v wg)" ] || [ ! -x "$(command -v qrencode)" ]; }; then
if { [ -f "${WIREGUARD_INTERFACE}" ] || [ -f "${WIREGUARD_PEER}" ]; }; 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}" == "archarm" ] || [ "${DISTRO}" == "manjaro" ]; }; then
pacman -Syu
pacman -Syu --noconfirm --needed haveged qrencode iptables resolvconf
pacman -Syu --noconfirm --needed wireguard-tools
elif [ "${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" ] || [ "${DISTRO_VERSION}" == "8.1" ] || [ "${DISTRO_VERSION}" == "8.2" ]; }; then
yum update -y
yum install elrepo-release epel-release -y
yum install kmod-wireguard wireguard-tools qrencode haveged -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-"$(arch)"-rpms
yum copr enable jdoss/wireguard
yum install epel-release wireguard-dkms wireguard-tools qrencode haveged resolvconf -y
elif [ "${DISTRO}" == "rhel" ] && [ "${DISTRO_VERSION}" == "7" ]; then
yum update -y
if [ ! -f "/etc/yum.repos.d/wireguard.repo" ]; then
curl https://copr.fedorainfracloud.org/coprs/jdoss/wireguard/repo/epel-7/jdoss-wireguard-epel-7.repo --create-dirs -o /etc/yum.repos.d/wireguard.repo
fi
yum update -y
yum install epel-release wireguard-dkms wireguard-tools qrencode haveged resolvconf -y
elif [ "${DISTRO}" == "alpine" ]; then
apk update
apk add wireguard-tools libqrencode haveged
elif [ "${DISTRO}" == "freebsd" ]; then
pkg update
pkg install wireguard libqrencode
fi
fi
fi
}
# Install WireGuard Server
install-wireguard-server
# Install wireguard manager config
function install-wireguard-manager-file() {
if [ -d "${WIREGUARD_PATH}" ]; then
if [ ! -f "${WIREGUARD_MANAGER}" ]; then
echo "WireGuard: true" >>${WIREGUARD_MANAGER}
fi
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}" == "archarm" ] || [ "${DISTRO}" == "manjaro" ]; }; then
pacman -Syu --noconfirm unbound
elif [ "${DISTRO}" == "alpine" ]; then
apk add unbound
elif [ "${DISTRO}" == "freebsd" ]; then