649 lines
22 KiB
Bash
649 lines
22 KiB
Bash
#!/bin/bash
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# AmneziaWG server installer
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# https://github.com/varckin/amneziawg-install
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RED='\033[0;31m'
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ORANGE='\033[0;33m'
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GREEN='\033[0;32m'
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NC='\033[0m'
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AMNEZIAWG_DIR="/etc/amnezia/amneziawg"
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function isRoot() {
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if [ "${EUID}" -ne 0 ]; then
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echo "You need to run this script as root"
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exit 1
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fi
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}
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function checkVirt() {
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if [ "$(systemd-detect-virt)" == "openvz" ]; then
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echo "OpenVZ is not supported"
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exit 1
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fi
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if [ "$(systemd-detect-virt)" == "lxc" ]; then
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echo "LXC is not supported (yet)."
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echo "WireGuard can technically run in an LXC container,"
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echo "but the kernel module has to be installed on the host,"
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echo "the container has to be run with some specific parameters"
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echo "and only the tools need to be installed in the container."
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exit 1
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fi
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}
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function checkOS() {
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source /etc/os-release
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OS="${ID}"
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if [[ ${OS} == "debian" || ${OS} == "raspbian" ]]; then
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if [[ ${VERSION_ID} -lt 11 ]]; then
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echo "Your version of Debian (${VERSION_ID}) is not supported. Please use Debian 11 Bullseye or later"
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exit 1
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fi
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OS=debian # overwrite if raspbian
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elif [[ ${OS} == "ubuntu" ]]; then
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RELEASE_YEAR=$(echo "${VERSION_ID}" | cut -d'.' -f1)
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if [[ ${RELEASE_YEAR} -lt 20 ]]; then
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echo "Your version of Ubuntu (${VERSION_ID}) is not supported. Please use Ubuntu 20.04 or later"
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exit 1
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fi
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elif [[ ${OS} == "fedora" ]]; then
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if [[ ${VERSION_ID} -lt 39 ]]; then
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echo "Your version of Fedora (${VERSION_ID}) is not supported. Please use Fedora 39 or later"
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exit 1
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fi
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elif [[ ${OS} == 'centos' ]] || [[ ${OS} == 'almalinux' ]] || [[ ${OS} == 'rocky' ]]; then
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if [[ ${VERSION_ID} == 7* ]] || [[ ${VERSION_ID} == 8* ]]; then
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echo "Your version of CentOS (${VERSION_ID}) is not supported. Please use CentOS 9 or later"
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exit 1
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fi
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else
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echo "Looks like you aren't running this installer on a Debian, Ubuntu, Fedora, CentOS, AlmaLinux or Rocky Linux system"
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exit 1
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fi
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}
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function getHomeDirForClient() {
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local CLIENT_NAME=$1
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if [ -z "${CLIENT_NAME}" ]; then
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echo "Error: getHomeDirForClient() requires a client name as argument"
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exit 1
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fi
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# Home directory of the user, where the client configuration will be written
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if [ -e "/home/${CLIENT_NAME}" ]; then
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# if $1 is a user name
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HOME_DIR="/home/${CLIENT_NAME}"
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elif [ "${SUDO_USER}" ]; then
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# if not, use SUDO_USER
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if [ "${SUDO_USER}" == "root" ]; then
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# If running sudo as root
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HOME_DIR="/root"
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else
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HOME_DIR="/home/${SUDO_USER}"
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fi
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else
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# if not SUDO_USER, use /root
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HOME_DIR="/root"
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fi
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echo "$HOME_DIR"
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}
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function initialCheck() {
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isRoot
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checkVirt
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checkOS
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}
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function readJminAndJmax() {
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SERVER_AWG_JMIN=0
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SERVER_AWG_JMAX=0
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until [[ ${SERVER_AWG_JMIN} =~ ^[0-9]+$ ]] && (( ${SERVER_AWG_JMIN} >= 1 )) && (( ${SERVER_AWG_JMIN} <= 1280 )); do
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read -rp "Server AmneziaWG Jmin [1-1280]: " -e -i 50 SERVER_AWG_JMIN
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done
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until [[ ${SERVER_AWG_JMAX} =~ ^[0-9]+$ ]] && (( ${SERVER_AWG_JMAX} >= 1 )) && (( ${SERVER_AWG_JMAX} <= 1280 )); do
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read -rp "Server AmneziaWG Jmax [1-1280]: " -e -i 1000 SERVER_AWG_JMAX
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done
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}
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function generateS1AndS2() {
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RANDOM_AWG_S1=$(shuf -i15-150 -n1)
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RANDOM_AWG_S2=$(shuf -i15-150 -n1)
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}
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function readS1AndS2() {
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SERVER_AWG_S1=0
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SERVER_AWG_S2=0
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until [[ ${SERVER_AWG_S1} =~ ^[0-9]+$ ]] && (( ${SERVER_AWG_S1} >= 15 )) && (( ${SERVER_AWG_S1} <= 150 )); do
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read -rp "Server AmneziaWG S1 [15-150]: " -e -i ${RANDOM_AWG_S1} SERVER_AWG_S1
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done
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until [[ ${SERVER_AWG_S2} =~ ^[0-9]+$ ]] && (( ${SERVER_AWG_S2} >= 15 )) && (( ${SERVER_AWG_S2} <= 150 )); do
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read -rp "Server AmneziaWG S2 [15-150]: " -e -i ${RANDOM_AWG_S2} SERVER_AWG_S2
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done
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}
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function generateH1AndH2AndH3AndH4() {
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RANDOM_AWG_H1=$(shuf -i5-2147483647 -n1)
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RANDOM_AWG_H2=$(shuf -i5-2147483647 -n1)
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RANDOM_AWG_H3=$(shuf -i5-2147483647 -n1)
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RANDOM_AWG_H4=$(shuf -i5-2147483647 -n1)
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}
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function readH1AndH2AndH3AndH4() {
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SERVER_AWG_H1=0
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SERVER_AWG_H2=0
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SERVER_AWG_H3=0
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SERVER_AWG_H4=0
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until [[ ${SERVER_AWG_H1} =~ ^[0-9]+$ ]] && (( ${SERVER_AWG_H1} >= 5 )) && (( ${SERVER_AWG_H1} <= 2147483647 )); do
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read -rp "Server AmneziaWG H1 [5-2147483647]: " -e -i ${RANDOM_AWG_H1} SERVER_AWG_H1
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done
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until [[ ${SERVER_AWG_H2} =~ ^[0-9]+$ ]] && (( ${SERVER_AWG_H2} >= 5 )) && (( ${SERVER_AWG_H2} <= 2147483647 )); do
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read -rp "Server AmneziaWG H2 [5-2147483647]: " -e -i ${RANDOM_AWG_H2} SERVER_AWG_H2
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done
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until [[ ${SERVER_AWG_H3} =~ ^[0-9]+$ ]] && (( ${SERVER_AWG_H3} >= 5 )) && (( ${SERVER_AWG_H3} <= 2147483647 )); do
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read -rp "Server AmneziaWG H3 [5-2147483647]: " -e -i ${RANDOM_AWG_H3} SERVER_AWG_H3
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done
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until [[ ${SERVER_AWG_H4} =~ ^[0-9]+$ ]] && (( ${SERVER_AWG_H4} >= 5 )) && (( ${SERVER_AWG_H4} <= 2147483647 )); do
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read -rp "Server AmneziaWG H4 [5-2147483647]: " -e -i ${RANDOM_AWG_H4} SERVER_AWG_H4
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done
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}
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function installQuestions() {
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echo "AmneziaWG server installer (https://github.com/varckin/amneziawg-install)"
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echo ""
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echo "I need to ask you a few questions before starting the setup."
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echo "You can keep the default options and just press enter if you are ok with them."
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echo ""
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# Detect public IPv4 or IPv6 address and pre-fill for the user
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SERVER_PUB_IP=$(ip -4 addr | sed -ne 's|^.* inet \([^/]*\)/.* scope global.*$|\1|p' | awk '{print $1}' | head -1)
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if [[ -z ${SERVER_PUB_IP} ]]; then
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# Detect public IPv6 address
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SERVER_PUB_IP=$(ip -6 addr | sed -ne 's|^.* inet6 \([^/]*\)/.* scope global.*$|\1|p' | head -1)
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fi
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read -rp "Public IPv4 or IPv6 address or domain: " -e -i "${SERVER_PUB_IP}" SERVER_PUB_IP
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# Detect public interface and pre-fill for the user
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SERVER_NIC="$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)"
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until [[ ${SERVER_PUB_NIC} =~ ^[a-zA-Z0-9_]+$ ]]; do
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read -rp "Public interface: " -e -i "${SERVER_NIC}" SERVER_PUB_NIC
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done
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until [[ ${SERVER_AWG_NIC} =~ ^[a-zA-Z0-9_]+$ && ${#SERVER_AWG_NIC} -lt 16 ]]; do
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read -rp "AmneziaWG interface name: " -e -i awg0 SERVER_AWG_NIC
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done
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until [[ ${SERVER_AWG_IPV4} =~ ^([0-9]{1,3}\.){3} ]]; do
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read -rp "Server AmneziaWG IPv4: " -e -i 10.66.66.1 SERVER_AWG_IPV4
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done
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until [[ ${SERVER_AWG_IPV6} =~ ^([a-f0-9]{1,4}:){3,4}: ]]; do
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read -rp "Server AmneziaWG IPv6: " -e -i fd42:42:42::1 SERVER_AWG_IPV6
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done
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# Generate random number within private ports range
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RANDOM_PORT=$(shuf -i49152-65535 -n1)
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until [[ ${SERVER_PORT} =~ ^[0-9]+$ ]] && [ "${SERVER_PORT}" -ge 1 ] && [ "${SERVER_PORT}" -le 65535 ]; do
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read -rp "Server AmneziaWG port [1-65535]: " -e -i "${RANDOM_PORT}" SERVER_PORT
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done
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# Adguard DNS by default
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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
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read -rp "First DNS resolver to use for the clients: " -e -i 1.1.1.1 CLIENT_DNS_1
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done
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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
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read -rp "Second DNS resolver to use for the clients (optional): " -e -i 1.0.0.1 CLIENT_DNS_2
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if [[ ${CLIENT_DNS_2} == "" ]]; then
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CLIENT_DNS_2="${CLIENT_DNS_1}"
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fi
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done
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until [[ ${ALLOWED_IPS} =~ ^.+$ ]]; do
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echo -e "\nAmneziaWG uses a parameter called AllowedIPs to determine what is routed over the VPN."
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read -rp "Allowed IPs list for generated clients (leave default to route everything): " -e -i '0.0.0.0/0,::/0' ALLOWED_IPS
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if [[ ${ALLOWED_IPS} == "" ]]; then
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ALLOWED_IPS="0.0.0.0/0,::/0"
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fi
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done
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# Jc
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RANDOM_AWG_JC=$(shuf -i3-10 -n1)
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until [[ ${SERVER_AWG_JC} =~ ^[0-9]+$ ]] && (( ${SERVER_AWG_JC} >= 1 )) && (( ${SERVER_AWG_JC} <= 128 )); do
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read -rp "Server AmneziaWG Jc [1-128]: " -e -i ${RANDOM_AWG_JC} SERVER_AWG_JC
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done
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# Jmin && Jmax
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readJminAndJmax
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until [ "${SERVER_AWG_JMIN}" -le "${SERVER_AWG_JMAX}" ]; do
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echo "AmneziaWG require Jmin < Jmax"
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readJminAndJmax
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done
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# S1 && S2
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generateS1AndS2
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while (( ${RANDOM_AWG_S1} + 56 == ${RANDOM_AWG_S2} )); do
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generateS1AndS2
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done
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readS1AndS2
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while (( ${SERVER_AWG_S1} + 56 == ${SERVER_AWG_S2} )); do
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echo "AmneziaWG require S1 + 56 <> S2"
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readS1AndS2
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done
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# H1 && H2 && H3 && H4
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generateH1AndH2AndH3AndH4
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while (( ${RANDOM_AWG_H1} == ${RANDOM_AWG_H2} )) || (( ${RANDOM_AWG_H1} == ${RANDOM_AWG_H3} )) || (( ${RANDOM_AWG_H1} == ${RANDOM_AWG_H4} )) || (( ${RANDOM_AWG_H2} == ${RANDOM_AWG_H3} )) || (( ${RANDOM_AWG_H2} == ${RANDOM_AWG_H4} )) || (( ${RANDOM_AWG_H3} == ${RANDOM_AWG_H4} )); do
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generateH1AndH2AndH3AndH4
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done
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readH1AndH2AndH3AndH4
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while (( ${SERVER_AWG_H1} == ${SERVER_AWG_H2} )) || (( ${SERVER_AWG_H1} == ${SERVER_AWG_H3} )) || (( ${SERVER_AWG_H1} == ${SERVER_AWG_H4} )) || (( ${SERVER_AWG_H2} == ${SERVER_AWG_H3} )) || (( ${SERVER_AWG_H2} == ${SERVER_AWG_H4} )) || (( ${SERVER_AWG_H3} == ${SERVER_AWG_H4} )); do
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echo "AmneziaWG require H1 and H2 and H3 and H4 be different"
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readH1AndH2AndH3AndH4
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done
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echo ""
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echo "Okay, that was all I needed. We are ready to setup your AmneziaWG server now."
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echo "You will be able to generate a client at the end of the installation."
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read -n1 -r -p "Press any key to continue..."
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}
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function installAmneziaWG() {
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# Run setup questions first
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installQuestions
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# Install AmneziaWG tools and module
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if [[ ${OS} == 'ubuntu' ]]; then
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if [[ -e /etc/apt/sources.list.d/ubuntu.sources ]]; then
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if ! grep -q "deb-src" /etc/apt/sources.list.d/ubuntu.sources; then
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cp /etc/apt/sources.list.d/ubuntu.sources /etc/apt/sources.list.d/amneziawg.sources
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sed -i 's/deb/deb-src/' /etc/apt/sources.list.d/amneziawg.sources
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fi
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else
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if ! grep -q "^deb-src" /etc/apt/sources.list; then
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cp /etc/apt/sources.list /etc/apt/sources.list.d/amneziawg.sources.list
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sed -i 's/^deb/deb-src/' /etc/apt/sources.list.d/amneziawg.sources.list
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fi
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fi
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apt install -y software-properties-common
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add-apt-repository -y ppa:amnezia/ppa
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apt install -y amneziawg amneziawg-tools qrencode
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elif [[ ${OS} == 'debian' ]]; then
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if ! grep -q "^deb-src" /etc/apt/sources.list; then
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cp /etc/apt/sources.list /etc/apt/sources.list.d/amneziawg.sources.list
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sed -i 's/^deb/deb-src/' /etc/apt/sources.list.d/amneziawg.sources.list
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fi
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apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 57290828
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echo "deb https://ppa.launchpadcontent.net/amnezia/ppa/ubuntu focal main" >>/etc/apt/sources.list.d/amneziawg.sources.list
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echo "deb-src https://ppa.launchpadcontent.net/amnezia/ppa/ubuntu focal main" >>/etc/apt/sources.list.d/amneziawg.sources.list
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apt update
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apt install -y amneziawg amneziawg-tools qrencode iptables
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elif [[ ${OS} == 'fedora' ]]; then
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dnf config-manager --set-enabled crb
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dnf install -y epel-release
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dnf copr enable -y amneziavpn/amneziawg
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dnf install -y amneziawg-dkms amneziawg-tools qrencode iptables
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elif [[ ${OS} == 'centos' ]] || [[ ${OS} == 'almalinux' ]] || [[ ${OS} == 'rocky' ]]; then
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dnf config-manager --set-enabled crb
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dnf install -y epel-release
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dnf copr enable -y amneziavpn/amneziawg
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dnf install -y amneziawg-dkms amneziawg-tools qrencode iptables
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fi
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SERVER_AWG_CONF="${AMNEZIAWG_DIR}/${SERVER_AWG_NIC}.conf"
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SERVER_PRIV_KEY=$(awg genkey)
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SERVER_PUB_KEY=$(echo "${SERVER_PRIV_KEY}" | awg pubkey)
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# Save WireGuard settings
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echo "SERVER_PUB_IP=${SERVER_PUB_IP}
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SERVER_PUB_NIC=${SERVER_PUB_NIC}
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SERVER_AWG_NIC=${SERVER_AWG_NIC}
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SERVER_AWG_IPV4=${SERVER_AWG_IPV4}
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SERVER_AWG_IPV6=${SERVER_AWG_IPV6}
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SERVER_PORT=${SERVER_PORT}
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SERVER_PRIV_KEY=${SERVER_PRIV_KEY}
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SERVER_PUB_KEY=${SERVER_PUB_KEY}
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CLIENT_DNS_1=${CLIENT_DNS_1}
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CLIENT_DNS_2=${CLIENT_DNS_2}
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ALLOWED_IPS=${ALLOWED_IPS}
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SERVER_AWG_JC=${SERVER_AWG_JC}
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SERVER_AWG_JMIN=${SERVER_AWG_JMIN}
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SERVER_AWG_JMAX=${SERVER_AWG_JMAX}
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SERVER_AWG_S1=${SERVER_AWG_S1}
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SERVER_AWG_S2=${SERVER_AWG_S2}
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SERVER_AWG_H1=${SERVER_AWG_H1}
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SERVER_AWG_H2=${SERVER_AWG_H2}
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SERVER_AWG_H3=${SERVER_AWG_H3}
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SERVER_AWG_H4=${SERVER_AWG_H4}" >"${AMNEZIAWG_DIR}/params"
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# Add server interface
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echo "[Interface]
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Address = ${SERVER_AWG_IPV4}/24,${SERVER_AWG_IPV6}/64
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ListenPort = ${SERVER_PORT}
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PrivateKey = ${SERVER_PRIV_KEY}
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Jc = ${SERVER_AWG_JC}
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Jmin = ${SERVER_AWG_JMIN}
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Jmax = ${SERVER_AWG_JMAX}
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S1 = ${SERVER_AWG_S1}
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S2 = ${SERVER_AWG_S2}
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H1 = ${SERVER_AWG_H1}
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H2 = ${SERVER_AWG_H2}
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H3 = ${SERVER_AWG_H3}
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H4 = ${SERVER_AWG_H4}" >"${SERVER_AWG_CONF}"
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if pgrep firewalld; then
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FIREWALLD_IPV4_ADDRESS=$(echo "${SERVER_AWG_IPV4}" | cut -d"." -f1-3)".0"
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FIREWALLD_IPV6_ADDRESS=$(echo "${SERVER_AWG_IPV6}" | sed 's/:[^:]*$/:0/')
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echo "PostUp = firewall-cmd --add-port ${SERVER_PORT}/udp && firewall-cmd --add-rich-rule='rule family=ipv4 source address=${FIREWALLD_IPV4_ADDRESS}/24 masquerade' && firewall-cmd --add-rich-rule='rule family=ipv6 source address=${FIREWALLD_IPV6_ADDRESS}/24 masquerade'
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PostDown = firewall-cmd --remove-port ${SERVER_PORT}/udp && firewall-cmd --remove-rich-rule='rule family=ipv4 source address=${FIREWALLD_IPV4_ADDRESS}/24 masquerade' && firewall-cmd --remove-rich-rule='rule family=ipv6 source address=${FIREWALLD_IPV6_ADDRESS}/24 masquerade'" >>"${SERVER_AWG_CONF}"
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else
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echo "PostUp = iptables -I INPUT -p udp --dport ${SERVER_PORT} -j ACCEPT
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PostUp = iptables -I FORWARD -i ${SERVER_PUB_NIC} -o ${SERVER_AWG_NIC} -j ACCEPT
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PostUp = iptables -I FORWARD -i ${SERVER_AWG_NIC} -j ACCEPT
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PostUp = iptables -t nat -A POSTROUTING -o ${SERVER_PUB_NIC} -j MASQUERADE
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PostUp = ip6tables -I INPUT -p udp --dport ${SERVER_PORT} -j ACCEPT
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PostUp = ip6tables -I FORWARD -i ${SERVER_PUB_NIC} -o ${SERVER_AWG_NIC} -j ACCEPT
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PostUp = ip6tables -I FORWARD -i ${SERVER_AWG_NIC} -j ACCEPT
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PostUp = ip6tables -t nat -A POSTROUTING -o ${SERVER_PUB_NIC} -j MASQUERADE
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PostDown = iptables -D INPUT -p udp --dport ${SERVER_PORT} -j ACCEPT
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PostDown = iptables -D FORWARD -i ${SERVER_PUB_NIC} -o ${SERVER_AWG_NIC} -j ACCEPT
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PostDown = iptables -D FORWARD -i ${SERVER_AWG_NIC} -j ACCEPT
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PostDown = iptables -t nat -D POSTROUTING -o ${SERVER_PUB_NIC} -j MASQUERADE
|
|
PostDown = ip6tables -D INPUT -p udp --dport ${SERVER_PORT} -j ACCEPT
|
|
PostDown = ip6tables -D FORWARD -i ${SERVER_PUB_NIC} -o ${SERVER_AWG_NIC} -j ACCEPT
|
|
PostDown = ip6tables -D FORWARD -i ${SERVER_AWG_NIC} -j ACCEPT
|
|
PostDown = ip6tables -t nat -D POSTROUTING -o ${SERVER_PUB_NIC} -j MASQUERADE" >>"${SERVER_AWG_CONF}"
|
|
fi
|
|
|
|
# Enable routing on the server
|
|
echo "net.ipv4.ip_forward = 1
|
|
net.ipv6.conf.all.forwarding = 1" >/etc/sysctl.d/awg.conf
|
|
|
|
sysctl --system
|
|
|
|
systemctl start "awg-quick@${SERVER_AWG_NIC}"
|
|
systemctl enable "awg-quick@${SERVER_AWG_NIC}"
|
|
|
|
newClient
|
|
echo -e "${GREEN}If you want to add more clients, you simply need to run this script another time!${NC}"
|
|
|
|
# Check if AmneziaWG is running
|
|
systemctl is-active --quiet "awg-quick@${SERVER_AWG_NIC}"
|
|
AWG_RUNNING=$?
|
|
|
|
# AmneziaWG might not work if we updated the kernel. Tell the user to reboot
|
|
if [[ ${AWG_RUNNING} -ne 0 ]]; then
|
|
echo -e "\n${RED}WARNING: AmneziaWG does not seem to be running.${NC}"
|
|
echo -e "${ORANGE}You can check if AmneziaWG is running with: systemctl status awg-quick@${SERVER_AWG_NIC}${NC}"
|
|
echo -e "${ORANGE}If you get something like \"Cannot find device ${SERVER_AWG_NIC}\", please reboot!${NC}"
|
|
else # AmneziaWG is running
|
|
echo -e "\n${GREEN}AmneziaWG is running.${NC}"
|
|
echo -e "${GREEN}You can check the status of AmneziaWG with: systemctl status awg-quick@${SERVER_AWG_NIC}\n\n${NC}"
|
|
echo -e "${ORANGE}If you don't have internet connectivity from your client, try to reboot the server.${NC}"
|
|
fi
|
|
}
|
|
|
|
function newClient() {
|
|
# If SERVER_PUB_IP is IPv6, add brackets if missing
|
|
if [[ ${SERVER_PUB_IP} =~ .*:.* ]]; then
|
|
if [[ ${SERVER_PUB_IP} != *"["* ]] || [[ ${SERVER_PUB_IP} != *"]"* ]]; then
|
|
SERVER_PUB_IP="[${SERVER_PUB_IP}]"
|
|
fi
|
|
fi
|
|
ENDPOINT="${SERVER_PUB_IP}:${SERVER_PORT}"
|
|
|
|
echo ""
|
|
echo "Client configuration"
|
|
echo ""
|
|
echo "The client name must consist of alphanumeric character(s). It may also include underscores or dashes 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 ${CLIENT_NAME}\$" "${SERVER_AWG_CONF}")
|
|
|
|
if [[ ${CLIENT_EXISTS} != 0 ]]; then
|
|
echo ""
|
|
echo -e "${ORANGE}A client with the specified name was already created, please choose another name.${NC}"
|
|
echo ""
|
|
fi
|
|
done
|
|
|
|
for DOT_IP in {2..254}; do
|
|
DOT_EXISTS=$(grep -c "${SERVER_AWG_IPV4::-1}${DOT_IP}" "${SERVER_AWG_CONF}")
|
|
if [[ ${DOT_EXISTS} == '0' ]]; then
|
|
break
|
|
fi
|
|
done
|
|
|
|
if [[ ${DOT_EXISTS} == '1' ]]; then
|
|
echo ""
|
|
echo "The subnet configured supports only 253 clients."
|
|
exit 1
|
|
fi
|
|
|
|
BASE_IP=$(echo "$SERVER_AWG_IPV4" | awk -F '.' '{ print $1"."$2"."$3 }')
|
|
until [[ ${IPV4_EXISTS} == '0' ]]; do
|
|
read -rp "Client AmneziaWG IPv4: ${BASE_IP}." -e -i "${DOT_IP}" DOT_IP
|
|
CLIENT_AWG_IPV4="${BASE_IP}.${DOT_IP}"
|
|
IPV4_EXISTS=$(grep -c "$CLIENT_AWG_IPV4/32" "${SERVER_AWG_CONF}")
|
|
|
|
if [[ ${IPV4_EXISTS} != 0 ]]; then
|
|
echo ""
|
|
echo -e "${ORANGE}A client with the specified IPv4 was already created, please choose another IPv4.${NC}"
|
|
echo ""
|
|
fi
|
|
done
|
|
|
|
BASE_IP=$(echo "$SERVER_AWG_IPV6" | awk -F '::' '{ print $1 }')
|
|
until [[ ${IPV6_EXISTS} == '0' ]]; do
|
|
read -rp "Client AmneziaWG IPv6: ${BASE_IP}::" -e -i "${DOT_IP}" DOT_IP
|
|
CLIENT_AWG_IPV6="${BASE_IP}::${DOT_IP}"
|
|
IPV6_EXISTS=$(grep -c "${CLIENT_AWG_IPV6}/128" "${SERVER_AWG_CONF}")
|
|
|
|
if [[ ${IPV6_EXISTS} != 0 ]]; then
|
|
echo ""
|
|
echo -e "${ORANGE}A client with the specified IPv6 was already created, please choose another IPv6.${NC}"
|
|
echo ""
|
|
fi
|
|
done
|
|
|
|
# Generate key pair for the client
|
|
CLIENT_PRIV_KEY=$(awg genkey)
|
|
CLIENT_PUB_KEY=$(echo "${CLIENT_PRIV_KEY}" | awg pubkey)
|
|
CLIENT_PRE_SHARED_KEY=$(awg genpsk)
|
|
|
|
HOME_DIR=$(getHomeDirForClient "${CLIENT_NAME}")
|
|
|
|
# Create client file and add the server as a peer
|
|
echo "[Interface]
|
|
PrivateKey = ${CLIENT_PRIV_KEY}
|
|
Address = ${CLIENT_AWG_IPV4}/32,${CLIENT_AWG_IPV6}/128
|
|
DNS = ${CLIENT_DNS_1},${CLIENT_DNS_2}
|
|
Jc = ${SERVER_AWG_JC}
|
|
Jmin = ${SERVER_AWG_JMIN}
|
|
Jmax = ${SERVER_AWG_JMAX}
|
|
S1 = ${SERVER_AWG_S1}
|
|
S2 = ${SERVER_AWG_S2}
|
|
H1 = ${SERVER_AWG_H1}
|
|
H2 = ${SERVER_AWG_H2}
|
|
H3 = ${SERVER_AWG_H3}
|
|
H4 = ${SERVER_AWG_H4}
|
|
|
|
[Peer]
|
|
PublicKey = ${SERVER_PUB_KEY}
|
|
PresharedKey = ${CLIENT_PRE_SHARED_KEY}
|
|
Endpoint = ${ENDPOINT}
|
|
AllowedIPs = ${ALLOWED_IPS}" >"${HOME_DIR}/${SERVER_AWG_NIC}-client-${CLIENT_NAME}.conf"
|
|
|
|
# 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 = ${CLIENT_AWG_IPV4}/32,${CLIENT_AWG_IPV6}/128" >>"${SERVER_AWG_CONF}"
|
|
|
|
awg syncconf "${SERVER_AWG_NIC}" <(awg-quick strip "${SERVER_AWG_NIC}")
|
|
|
|
# Generate QR code if qrencode is installed
|
|
if command -v qrencode &>/dev/null; then
|
|
echo -e "${GREEN}\nHere is your client config file as a QR Code:\n${NC}"
|
|
qrencode -t ansiutf8 -l L <"${HOME_DIR}/${SERVER_AWG_NIC}-client-${CLIENT_NAME}.conf"
|
|
echo ""
|
|
fi
|
|
|
|
echo -e "${GREEN}Your client config file is in ${HOME_DIR}/${SERVER_AWG_NIC}-client-${CLIENT_NAME}.conf${NC}"
|
|
}
|
|
|
|
function listClients() {
|
|
NUMBER_OF_CLIENTS=$(grep -c -E "^### Client" "${SERVER_AWG_CONF}")
|
|
if [[ ${NUMBER_OF_CLIENTS} -eq 0 ]]; then
|
|
echo ""
|
|
echo "You have no existing clients!"
|
|
exit 1
|
|
fi
|
|
|
|
grep -E "^### Client" "${SERVER_AWG_CONF}" | cut -d ' ' -f 3 | nl -s ') '
|
|
}
|
|
|
|
function revokeClient() {
|
|
NUMBER_OF_CLIENTS=$(grep -c -E "^### Client" "${SERVER_AWG_CONF}")
|
|
if [[ ${NUMBER_OF_CLIENTS} == '0' ]]; then
|
|
echo ""
|
|
echo "You have no existing clients!"
|
|
exit 1
|
|
fi
|
|
|
|
echo ""
|
|
echo "Select the existing client you want to revoke"
|
|
grep -E "^### Client" "${SERVER_AWG_CONF}" | cut -d ' ' -f 3 | nl -s ') '
|
|
until [[ ${CLIENT_NUMBER} -ge 1 && ${CLIENT_NUMBER} -le ${NUMBER_OF_CLIENTS} ]]; do
|
|
if [[ ${CLIENT_NUMBER} == '1' ]]; then
|
|
read -rp "Select one client [1]: " CLIENT_NUMBER
|
|
else
|
|
read -rp "Select one client [1-${NUMBER_OF_CLIENTS}]: " CLIENT_NUMBER
|
|
fi
|
|
done
|
|
|
|
# match the selected number to a client name
|
|
CLIENT_NAME=$(grep -E "^### Client" "${SERVER_AWG_CONF}" | cut -d ' ' -f 3 | sed -n "${CLIENT_NUMBER}"p)
|
|
|
|
# remove [Peer] block matching $CLIENT_NAME
|
|
sed -i "/^### Client ${CLIENT_NAME}\$/,/^$/d" "${SERVER_AWG_CONF}"
|
|
|
|
# remove generated client file
|
|
HOME_DIR=$(getHomeDirForClient "${CLIENT_NAME}")
|
|
rm -f "${HOME_DIR}/${SERVER_AWG_NIC}-client-${CLIENT_NAME}.conf"
|
|
|
|
# restart AmneziaWG to apply changes
|
|
awg syncconf "${SERVER_AWG_NIC}" <(awg-quick strip "${SERVER_AWG_NIC}")
|
|
}
|
|
|
|
function uninstallAmneziaWG() {
|
|
echo ""
|
|
echo -e "\n${RED}WARNING: This will uninstall AmneziaWG and remove all the configuration files!${NC}"
|
|
echo -e "${ORANGE}Please backup the /etc/amnezia/amneziawg directory if you want to keep your configuration files.\n${NC}"
|
|
read -rp "Do you really want to remove AmneziaWG? [y/n]: " -e REMOVE
|
|
REMOVE=${REMOVE:-n}
|
|
if [[ $REMOVE == 'y' ]]; then
|
|
checkOS
|
|
|
|
systemctl stop "awg-quick@${SERVER_AWG_NIC}"
|
|
systemctl disable "awg-quick@${SERVER_AWG_NIC}"
|
|
|
|
# Disable routing
|
|
rm -f /etc/sysctl.d/awg.conf
|
|
sysctl --system
|
|
|
|
# Remove config files
|
|
rm -rf ${AMNEZIAWG_DIR}/*
|
|
|
|
if [[ ${OS} == 'ubuntu' ]]; then
|
|
apt remove -y amneziawg amneziawg-tools
|
|
add-apt-repository -ry ppa:amnezia/ppa
|
|
if [[ -e /etc/apt/sources.list.d/ubuntu.sources ]]; then
|
|
rm -f /etc/apt/sources.list.d/amneziawg.sources
|
|
else
|
|
rm -f /etc/apt/sources.list.d/amneziawg.sources.list
|
|
fi
|
|
elif [[ ${OS} == 'debian' ]]; then
|
|
apt-get remove -y amneziawg amneziawg-tools
|
|
rm -f /etc/apt/sources.list.d/amneziawg.sources.list
|
|
apt-key del 57290828
|
|
apt update
|
|
elif [[ ${OS} == 'fedora' ]]; then
|
|
dnf remove -y amneziawg-dkms amneziawg-tools
|
|
dnf copr disable -y amneziavpn/amneziawg
|
|
elif [[ ${OS} == 'centos' ]] || [[ ${OS} == 'almalinux' ]] || [[ ${OS} == 'rocky' ]]; then
|
|
dnf remove -y amneziawg-dkms amneziawg-tools
|
|
dnf copr disable -y amneziavpn/amneziawg
|
|
fi
|
|
|
|
# Check if AmneziaWG is running
|
|
systemctl is-active --quiet "awg-quick@${SERVER_AWG_NIC}"
|
|
AWG_RUNNING=$?
|
|
|
|
if [[ ${AWG_RUNNING} -eq 0 ]]; then
|
|
echo "AmneziaWG failed to uninstall properly."
|
|
exit 1
|
|
else
|
|
echo "AmneziaWG uninstalled successfully."
|
|
exit 0
|
|
fi
|
|
else
|
|
echo ""
|
|
echo "Removal aborted!"
|
|
fi
|
|
}
|
|
|
|
function loadParams() {
|
|
source "${AMNEZIAWG_DIR}/params"
|
|
SERVER_AWG_CONF="${AMNEZIAWG_DIR}/${SERVER_AWG_NIC}.conf"
|
|
}
|
|
|
|
function manageMenu() {
|
|
echo "AmneziaWG server installer (https://github.com/varckin/amneziawg-install)"
|
|
echo ""
|
|
echo "It looks like AmneziaWG is already installed."
|
|
echo ""
|
|
echo "What do you want to do?"
|
|
echo " 1) Add a new user"
|
|
echo " 2) List all users"
|
|
echo " 3) Revoke existing user"
|
|
echo " 4) Uninstall AmneziaWG"
|
|
echo " 5) Exit"
|
|
until [[ ${MENU_OPTION} =~ ^[1-5]$ ]]; do
|
|
read -rp "Select an option [1-5]: " MENU_OPTION
|
|
done
|
|
case "${MENU_OPTION}" in
|
|
1)
|
|
newClient
|
|
;;
|
|
2)
|
|
listClients
|
|
;;
|
|
3)
|
|
revokeClient
|
|
;;
|
|
4)
|
|
uninstallAmneziaWG
|
|
;;
|
|
5)
|
|
exit 0
|
|
;;
|
|
esac
|
|
}
|
|
|
|
# Check for root, virt, OS...
|
|
initialCheck
|
|
|
|
# Check if AmneziaWG is already installed and load params
|
|
if [[ -e "${AMNEZIAWG_DIR}/params" ]]; then
|
|
loadParams
|
|
manageMenu
|
|
else
|
|
installAmneziaWG
|
|
fi
|