IgorKha.wireguard-mikrotik/wireguard-mikrotik.sh
2024-01-12 00:12:44 +05:00

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Executable file

#!/usr/bin/env bash
BLUE='\033[0;34m'
NC='\033[0m'
INFO="${BLUE}[i]${NC}"
function checkOS() {
#? Check OS version
if [[ -e /etc/debian_version ]]; then
# shellcheck source=/dev/null
source /etc/os-release
OS="${ID}" # debian or ubuntu
if [[ ${ID} == "debian" || ${ID} == "raspbian" ]]; then
if [[ ${VERSION_ID} -lt 10 ]]; then
echo "Your version of Debian (${VERSION_ID}) is not supported. Please use Debian 10 Buster or later"
exit 95
fi
OS=debian #* overwrite if raspbian
fi
elif [[ -e /etc/fedora-release ]]; then
# shellcheck source=/dev/null
source /etc/os-release
OS="${ID}"
elif [[ -e /etc/centos-release ]]; then
# shellcheck source=/dev/null
source /etc/os-release
OS=centos
elif [[ -e /etc/oracle-release ]]; then
# shellcheck source=/dev/null
source /etc/os-release
OS=oracle
elif [[ -e /etc/arch-release ]]; then
OS=arch
elif [[ "$(uname -s)" == "Darwin" ]]; then
OS=macos
else
echo "Looks like you aren't running this installer on a Debian, Ubuntu, Fedora, CentOS, Oracle or Arch Linux system"
exit 95
fi
export OS
}
function installWireGuard() {
#? Check root user
if [[ "${EUID}" -ne 0 ]] && [[ "${OS}" != "macos" ]]; then
echo ""
echo "You need to run this script as root"
echo ""
exit 13
fi
#? Install WireGuard tools and module
if [[ ${OS} == 'ubuntu' ]] || [[ ${OS} == 'debian' && ${VERSION_ID} -gt 10 ]]; then
apt-get update
apt-get install -y wireguard qrencode
elif [[ ${OS} == 'debian' ]]; then
if ! grep -rqs "^deb .* buster-backports" /etc/apt/; then
echo "deb http://deb.debian.org/debian buster-backports main" >/etc/apt/sources.list.d/backports.list
apt-get update
fi
apt update
apt-get install -y qrencode
apt-get install -y -t buster-backports wireguard
elif [[ ${OS} == 'fedora' ]]; then
if [[ ${VERSION_ID} -lt 32 ]]; then
dnf install -y dnf-plugins-core
dnf copr enable -y jdoss/wireguard
dnf install -y wireguard-dkms
fi
dnf install -y wireguard-tools qrencode
elif [[ ${OS} == 'centos' ]]; then
yum -y install epel-release elrepo-release
if [[ ${VERSION_ID} -eq 7 ]]; then
yum -y install yum-plugin-elrepo
fi
yum -y install kmod-wireguard wireguard-tools qrencode
elif [[ ${OS} == 'oracle' ]]; then
dnf install -y oraclelinux-developer-release-el8
dnf config-manager --disable -y ol8_developer
dnf config-manager --enable -y ol8_developer_UEKR6
dnf config-manager --save -y --setopt=ol8_developer_UEKR6.includepkgs='wireguard-tools*'
dnf install -y wireguard-tools qrencode
elif [[ ${OS} == 'arch' ]]; then
pacman -Sq --needed --noconfirm wireguard-tools qrencode
elif [[ ${OS} == 'macos' ]]; then
if ! command -v brew &> /dev/null
then
echo ""
echo "Brew is not installed. Please install it and run this script again."
echo "https://brew.sh/"
exit 1
fi
brew install wireguard-tools qrencode
fi
echo ""
echo "The installation is complete. Now you need to re-run the script with user access rights (not root)."
echo ""
exit 0
}
function installCheck() {
if ! command -v wg &> /dev/null
then
echo "You must have \"wireguard-tools\" and \"qrencode\" installed."
read -n1 -r -p "Press any key to continue and install needed packages..."
installWireGuard
fi
}
function serverName() {
until [[ ${SERVER_WG_NIC} =~ ^[a-zA-Z0-9_]+$ && ${#SERVER_WG_NIC} -lt 16 ]]; do
echo "Tell me a name for the server WireGuard interface. ('wg0' is used by default)"
read -rp "WireGuard interface name (server name): " -e SERVER_WG_NIC
SERVER_WG_NIC=${SERVER_WG_NIC:-wg0}
done
}
function installQuestions() {
echo "I need to ask you a few questions before starting the setup."
echo "You can leave the default options and just press enter if you are ok with them."
echo ""
# Detect public IPv4 or IPv6 address and pre-fill for the user
SERVER_PUB_IP=$(host myip.opendns.com resolver1.opendns.com | grep -oE 'has address [0-9.]+' | cut -d ' ' -f3)
echo "Your public IPv4 address is ${SERVER_PUB_IP}"
if [[ -z ${SERVER_PUB_IP} ]]; then
# Detect public IPv6 address
if [[ ${OS} == "macos" ]]; then
# Detect public IPv6 address on macOS
SERVER_PUB_IP=$(ifconfig | grep -A4 'en0:' | grep 'inet6' | awk '{print $2}')
else
# Detect public IPv6 address on Linux
SERVER_PUB_IP=$(ip -6 addr | sed -ne 's|^.* inet6 \([^/]*\)/.* scope global.*$|\1|p' | head -1)
fi
fi
# while true; do
# read -rp "Enter IPv4 or IPv6 public address: " -e -i "${SERVER_PUB_IP}" SERVER_PUB_IP
while true; do
read -rp "Enter IPv4 or IPv6 public address [default used ${SERVER_PUB_IP}]: " -e USER_INPUT_SERVER_PUB_IP
SERVER_PUB_IP=${USER_INPUT_SERVER_PUB_IP:-$SERVER_PUB_IP}
if [[ ${SERVER_PUB_IP} =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
break
elif [[ ${SERVER_PUB_IP} =~ ^[0-9a-fA-F:]+:[0-9a-fA-F:]*$ ]]; then
SERVER_PUB_IP="[${SERVER_PUB_IP}]"
break
else
echo "Invalid IP address. Please enter a valid IPv4 or IPv6 address."
fi
done
until [[ ${SERVER_WG_IPV4} =~ ^([0-9]{1,3}\.){3} ]]; do
# read -rp "Server's WireGuard IPv4: " -e -i 10."$(shuf -i 0-250 -n 1)"."$(shuf -i 0-250 -n 1)".1 SERVER_WG_IPV4
if [[ ${OS} == "macos" ]]; then
SERVER_WG_IPV4="10.$(jot -r 1 0 250).$(jot -r 1 0 250).1"
read -rp "Server's WireGuard IPv4 [default used ${SERVER_WG_IPV4}]: " -e USER_INPUT_SERVER_WG_IPV4
SERVER_WG_IPV4=${USER_INPUT_SERVER_WG_IPV4:-$SERVER_WG_IPV4}
else
read -rp "Server's WireGuard IPv4: " -e -i 10."$(shuf -i 0-250 -n 1)"."$(shuf -i 0-250 -n 1)".1 SERVER_WG_IPV4
fi
done
until [[ ${SERVER_WG_IPV6} =~ ^([a-f0-9]{1,4}:){3,4}: ]]; do
# read -rp "Server's WireGuard IPv6: " -e -i fd42:"$(shuf -i 10-90 -n 1)":"$(shuf -i 10-90 -n 1)"::1 SERVER_WG_IPV6
if [[ ${OS} == 'macos' ]]; then
SERVER_WG_IPV6="fd42:$(jot -r 1 10 90):$(jot -r 1 10 90)::1"
read -rp "Server's WireGuard IPv6 [default used ${SERVER_WG_IPV6}]: " -e USER_INPUT_SERVER_WG_IPV6
SERVER_WG_IPV6=${USER_INPUT_SERVER_WG_IPV6:-$SERVER_WG_IPV6}
else
read -rp "Server's WireGuard IPv6: " -e -i fd42:"$(shuf -i 10-90 -n 1)":"$(shuf -i 10-90 -n 1)"::1 SERVER_WG_IPV6
fi
done
# Generate random number within private ports range
RANDOM_PORT=$(shuf -i 49152-65535 -n1)
until [[ ${SERVER_PORT} =~ ^[0-9]+$ ]] && [ "${SERVER_PORT}" -ge 1 ] && [ "${SERVER_PORT}" -le 65535 ]; do
# read -rp "Server's WireGuard port [1-65535]: " -e -i "${RANDOM_PORT}" SERVER_PORT
if [[ ${OS} == 'macos' ]]; then
read -rp "Server's WireGuard port [1-65535] [default ${RANDOM_PORT}]: " -e USER_INPUT_SERVER_PORT
SERVER_PORT=${USER_INPUT_SERVER_PORT:-$RANDOM_PORT}
else
read -rp "Server's WireGuard port [1-65535]: " -e -i "${RANDOM_PORT}" SERVER_PORT
fi
done
# Adguard DNS by default
until [[ ${CLIENT_DNS_1} =~ ^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$ ]]; do
# read -rp "First DNS resolver to use for the clients: " -e -i 94.140.14.14 CLIENT_DNS_1
if [[ ${OS} == 'macos' ]]; then
CLIENT_DNS_1='94.140.14.14'
read -rp "First DNS resolver to use for the clients [default ${CLIENT_DNS_1}]: " -e USER_INPUT_CLIENT_DNS_1
CLIENT_DNS_1=${USER_INPUT_CLIENT_DNS_1:-$CLIENT_DNS_1}
else
read -rp "First DNS resolver to use for the clients: " -e -i 94.140.14.14 CLIENT_DNS_1
fi
done
until [[ ${CLIENT_DNS_2} =~ ^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$ ]]; do
if [[ ${OS} == 'macos' ]]; then
CLIENT_DNS_DEF_2='94.140.15.15'
read -rp "Second DNS resolver to use for the clients (optional) [default ${CLIENT_DNS_DEF_2}]: " -e USER_INPUT_CLIENT_DNS_2
CLIENT_DNS_2=${USER_INPUT_CLIENT_DNS_2:-$CLIENT_DNS_DEF_2}
else
read -rp "Second DNS resolver to use for the clients (optional): " -e -i 94.140.15.15 CLIENT_DNS_2
if [[ ${CLIENT_DNS_2} == "" ]]; then
CLIENT_DNS_2="${CLIENT_DNS_1}"
fi
fi
done
echo ""
echo "Okay, that was all I needed. We are ready to setup your WireGuard server now."
echo "You will be able to generate a client at the end of the installation."
read -n1 -r -p "Press any key to continue..."
}
function newInterface() {
# Run setup questions first
installQuestions
# Make sure the directory exists (this does not seem the be the case on fedora)
mkdir -p "$(pwd)"/wireguard/"${SERVER_WG_NIC}"/mikrotik >/dev/null 2>&1
SERVER_PRIV_KEY=$(wg genkey)
SERVER_PUB_KEY=$(echo "${SERVER_PRIV_KEY}" | wg pubkey)
# Save WireGuard settings #SERVER_PUB_NIC=${SERVER_PUB_NIC}
echo "SERVER_PUB_IP=${SERVER_PUB_IP}
SERVER_WG_NIC=${SERVER_WG_NIC}
SERVER_WG_IPV4=${SERVER_WG_IPV4}
SERVER_WG_IPV6=${SERVER_WG_IPV6}
SERVER_PORT=${SERVER_PORT}
SERVER_PRIV_KEY=${SERVER_PRIV_KEY}
SERVER_PUB_KEY=${SERVER_PUB_KEY}
CLIENT_DNS_1=${CLIENT_DNS_1}
CLIENT_DNS_2=${CLIENT_DNS_2}" > "$(pwd)/wireguard/${SERVER_WG_NIC}/params"
# Save WireGuard settings to the MikroTik
echo "# WireGuard interface configure
/interface wireguard
add listen-port=${SERVER_PORT} mtu=1420 name=${SERVER_WG_NIC} private-key=\\
\"${SERVER_PRIV_KEY}\"
/ip firewall filter
add action=accept chain=input comment=wg-${SERVER_WG_NIC} dst-port=${SERVER_PORT} protocol=udp
/ip firewall filter move [/ip firewall filter find comment=wg-${SERVER_WG_NIC}] 1
/ip address
add address=${SERVER_WG_IPV4}/24 comment=wg-${SERVER_WG_NIC} interface=${SERVER_WG_NIC}
" > "$(pwd)/wireguard/${SERVER_WG_NIC}/mikrotik/${SERVER_WG_NIC}.rsc"
# Add server interface
echo "[Interface]
Address = ${SERVER_WG_IPV4}/24,${SERVER_WG_IPV6}/64
ListenPort = ${SERVER_PORT}
PrivateKey = ${SERVER_PRIV_KEY}" > "$(pwd)/wireguard/${SERVER_WG_NIC}/${SERVER_WG_NIC}.conf"
newClient
echo -e "${INFO} MikroTik interface config available in $(pwd)/wireguard/${SERVER_WG_NIC}/mikrotik/${SERVER_WG_NIC}.rsc"
echo -e "${INFO} If you want to add more clients, you simply need to run this script another time!"
}
function newClient() {
ENDPOINT="${SERVER_PUB_IP}:${SERVER_PORT}"
echo ""
echo "Tell me a name for the client."
echo "The name must consist of alphanumeric character. It may also include an underscore or a dash and can't exceed 15 chars."
until [[ ${CLIENT_NAME} =~ ^[a-zA-Z0-9_-]+$ && ${CLIENT_EXISTS} == '0' && ${#CLIENT_NAME} -lt 16 ]]; do
read -rp "Client name: " -e CLIENT_NAME
CLIENT_EXISTS=$(grep -c -E "^### Client ${CLIENT_NAME}\$" "$(pwd)/wireguard/${SERVER_WG_NIC}/${SERVER_WG_NIC}.conf")
if [[ ${CLIENT_EXISTS} == '1' ]]; then
echo ""
echo "A client with the specified name was already created, please choose another name."
echo ""
fi
done
for DOT_IP in {2..254}; do
if [[ ${OS} == 'macos' ]]; then
DOT_EXISTS=$(grep -c "$(echo "${SERVER_WG_IPV4}" | rev | cut -c 2- | rev)${DOT_IP}" "$(pwd)/wireguard/${SERVER_WG_NIC}/${SERVER_WG_NIC}.conf")
else
DOT_EXISTS=$(grep -c "${SERVER_WG_IPV4::-1}${DOT_IP}" "$(pwd)/wireguard/${SERVER_WG_NIC}/${SERVER_WG_NIC}.conf")
fi
if [[ ${DOT_EXISTS} == '0' ]]; then
break
fi
done
if [[ ${DOT_EXISTS} == '1' ]]; then
echo ""
echo "The subnet configured supports only 253 clients."
exit 99
fi
BASE_IP=$(echo "$SERVER_WG_IPV4" | awk -F '.' '{ print $1"."$2"."$3 }')
until [[ ${IPV4_EXISTS} == '0' ]]; do
if [[ ${OS} == 'macos' ]]; then
read -rp "Client's WireGuard IPv4 [default used ${BASE_IP}.${DOT_IP}]: " -e USER_INPUT_DOT_IP
DOT_IP=${USER_INPUT_DOT_IP:-$DOT_IP}
else
read -rp "Client's WireGuard IPv4: ${BASE_IP}." -e -i "${DOT_IP}" DOT_IP
fi
CLIENT_WG_IPV4="${BASE_IP}.${DOT_IP}"
IPV4_EXISTS=$(grep -c "$CLIENT_WG_IPV4/24" "$(pwd)/wireguard/${SERVER_WG_NIC}/${SERVER_WG_NIC}.conf")
if [[ ${IPV4_EXISTS} == '1' ]]; then
echo ""
echo "A client with the specified IPv4 was already created, please choose another IPv4."
echo ""
fi
done
BASE_IP=$(echo "$SERVER_WG_IPV6" | awk -F '::' '{ print $1 }')
until [[ ${IPV6_EXISTS} == '0' ]]; do
if [[ ${OS} == 'macos' ]]; then
read -rp "Client's WireGuard IPv6 [default used ${BASE_IP}::${DOT_IP}]: " -e USER_INPUT_DOT_IP
DOT_IP=${USER_INPUT_DOT_IP:-$DOT_IP}
else
read -rp "Client's WireGuard IPv6: ${BASE_IP}::" -e -i "${DOT_IP}" DOT_IP
fi
CLIENT_WG_IPV6="${BASE_IP}::${DOT_IP}"
IPV6_EXISTS=$(grep -c "${CLIENT_WG_IPV6}/64" "$(pwd)/wireguard/${SERVER_WG_NIC}/${SERVER_WG_NIC}.conf")
if [[ ${IPV6_EXISTS} == '1' ]]; then
echo ""
echo "A client with the specified IPv6 was already created, please choose another IPv6."
echo ""
fi
done
# Asking for client's allowed IPs
until [[ ${ALLOWED_IPV4} =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}(\/([0-9]|[1-2][0-9]|3[0-2]))?$ ]]; do
if [[ ${OS} == 'macos' ]]; then
ALLOWED_IPV4="0.0.0.0/0"
read -rp "Client's allowed IPv4 [default used ${ALLOWED_IPV4}]: " -e USER_INPUT_ALLOWED_IPV4
ALLOWED_IPV4=${USER_INPUT_ALLOWED_IPV4:-$ALLOWED_IPV4}
else
read -rp "Client's allowed IPv4: " -e -i "0.0.0.0/0" ALLOWED_IPV4
fi
done
until [[ ${ALLOWED_IPV6} =~ ^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))(\/((1(1[0-9]|2[0-8]))|([0-9][0-9])|([0-9])))?$ ]]; do
if [[ ${OS} == 'macos' ]]; then
ALLOWED_IPV6="::/0"
read -rp "Client's allowed IPv6 [default used ${ALLOWED_IPV6}]: " -e USER_INPUT_ALLOWED_IPV6
ALLOWED_IPV6=${USER_INPUT_ALLOWED_IPV6:-$ALLOWED_IPV6}
else
read -rp "Client's allowed IPv6: " -e -i "::/0" ALLOWED_IPV6
fi
done
# Generate key pair for the client
CLIENT_PRIV_KEY=$(wg genkey)
CLIENT_PUB_KEY=$(echo "${CLIENT_PRIV_KEY}" | wg pubkey)
CLIENT_PRE_SHARED_KEY=$(wg genpsk)
mkdir -p "$(pwd)/wireguard/${SERVER_WG_NIC}/client/${CLIENT_NAME}" >/dev/null 2>&1
HOME_DIR="$(pwd)/wireguard/${SERVER_WG_NIC}/client/${CLIENT_NAME}"
# Create client file and add the server as a peer
echo "[Interface]
PrivateKey = ${CLIENT_PRIV_KEY}
Address = ${CLIENT_WG_IPV4}/32,${CLIENT_WG_IPV6}/128
DNS = ${CLIENT_DNS_1},${CLIENT_DNS_2}
[Peer]
PublicKey = ${SERVER_PUB_KEY}
PresharedKey = ${CLIENT_PRE_SHARED_KEY}
Endpoint = ${ENDPOINT}
AllowedIPs = ${ALLOWED_IPV4},${ALLOWED_IPV6}" >>"${HOME_DIR}/${SERVER_WG_NIC}-client-${CLIENT_NAME}.conf"
# Add the client as a peer to the MikroTik (to client folder)
echo "# WireGuard client peer configure
/interface wireguard peers
add allowed-address=${CLIENT_WG_IPV4}/32 comment=\\
${SERVER_WG_NIC}-client-${CLIENT_NAME} interface=${SERVER_WG_NIC} \\
preshared-key=\"${CLIENT_PRE_SHARED_KEY}\" public-key=\\
\"${CLIENT_PUB_KEY}\"
" >"${HOME_DIR}/mikrotik-peer-${SERVER_WG_NIC}-client-${CLIENT_NAME}.rsc"
# Add the client as a peer to the MikroTik
echo "# WireGuard client peer configure
/interface wireguard peers
add allowed-address=${CLIENT_WG_IPV4}/32 comment=\\
${SERVER_WG_NIC}-client-${CLIENT_NAME} interface=${SERVER_WG_NIC} \\
preshared-key=\"${CLIENT_PRE_SHARED_KEY}\" public-key=\\
\"${CLIENT_PUB_KEY}\"
" >> "$(pwd)/wireguard/${SERVER_WG_NIC}/mikrotik/${SERVER_WG_NIC}.rsc"
# Add the client as a peer to the server
echo -e "\n### Client ${CLIENT_NAME}
[Peer]
PublicKey = ${CLIENT_PUB_KEY}
PresharedKey = ${CLIENT_PRE_SHARED_KEY}
AllowedIPs = ${CLIENT_WG_IPV4}/32,${CLIENT_WG_IPV6}/128" >>"$(pwd)/wireguard/${SERVER_WG_NIC}/${SERVER_WG_NIC}.conf"
echo -e "\nHere is your client config file as a QR Code:"
qrencode -t ansiutf8 -l L <"${HOME_DIR}/${SERVER_WG_NIC}-client-${CLIENT_NAME}.conf"
qrencode -l L -s 6 -d 225 -o "${HOME_DIR}/${SERVER_WG_NIC}-client-${CLIENT_NAME}.png" <"${HOME_DIR}/${SERVER_WG_NIC}-client-${CLIENT_NAME}.conf"
echo -e "${INFO} Config available in ${HOME_DIR}/${SERVER_WG_NIC}-client-${CLIENT_NAME}.conf"
echo -e "${INFO} QR is also available in ${HOME_DIR}/${SERVER_WG_NIC}-client-${CLIENT_NAME}.png"
echo -e "${INFO} MikroTik peer config available in ${HOME_DIR}/mikrotik-${SERVER_WG_NIC}-client-${CLIENT_NAME}.rsc"
}
function manageMenu() {
echo ""
echo "It looks like this WireGuard interface is already."
echo ""
echo "What do you want to do?"
echo " 1) Add a new client"
echo " 2) Exit"
until [[ ${MENU_OPTION} =~ ^[1-4]$ ]]; do
read -rp "Select an option [1-2]: " MENU_OPTION
done
case "${MENU_OPTION}" in
1)
newClient
;;
2)
exit 0
;;
esac
}
#? List of existing configurations
function listConfs() {
local directory
directory="$(pwd)/wireguard"
if [ -d "${directory}" ]; then
echo "List of existing configurations:"
i=1
for folder in "${directory}"/*/; do
local users count folder_name
users="${folder}/client/"
count=$(find "$users" -maxdepth 1 -mindepth 1 -type d 2>/dev/null | wc -l)
folder_name=$(basename "${folder}")
echo "${i}. ${folder_name} [${count} user(s)]"
((i++))
done
fi
echo ""
}
echo ""
echo "Welcome to WireGuard-MikroTik configurator!"
echo "The git repository is available at: https://github.com/IgorKha/wireguard-mikrotik"
echo ""
#? Check OS
checkOS
echo "Your OS is ${OS}"
#? Check for root, WireGuard
installCheck
listConfs
#? Check server exist
serverName
#? Check if WireGuard is already installed and load params
if [[ -e $(pwd)/wireguard/${SERVER_WG_NIC}/params ]]; then
# shellcheck source=/dev/null
source "$(pwd)/wireguard/${SERVER_WG_NIC}/params"
manageMenu
else
newInterface
fi