341 lines
6.3 KiB
Bash
Executable File
341 lines
6.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# -----
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# - You need the the following sudo permissions (visudo) for that user,
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# - who starts this script
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# -
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# - chris ALL=(ALL) NOPASSWD: /usr/bin/find
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# - chris ALL=(ALL) NOPASSWD: /usr/bin/systemctl start wg-quick*
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# - chris ALL=(ALL) NOPASSWD: /usr/bin/systemctl stop wg-quick*
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# - chris ALL=(ALL) NOPASSWD:/bin/rm -f /var/run/*
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# - chris ALL=(ALL) NOPASSWD:/bin/kill
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# -----
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script_name="$(basename $(realpath $0))"
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working_dir="$(dirname $(realpath $0))"
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log_file="$(mktemp)"
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conf_file="${working_dir}/conf/${script_name%%.*}.conf"
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DEFAULT_WIREGUARD_CLIENT_DIR="/etc/wireguard"
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DEFAULT_VPN_User="chris"
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VPN_Network=""
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declare -a wireguard_connection_arr=()
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# ----------
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# Base Function(s)
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# ----------
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clean_up() {
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rm -f $log_file
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blank_line
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exit $1
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}
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echononl(){
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if $terminal ; then
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n " $*\\c" 1>&2
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else
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echo -e -n " $*" 1>&2
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fi
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rm /tmp/shprompt$$
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fi
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}
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fatal(){
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echo ""
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if $terminal ; then
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echo -e " [ \033[31m\033[1mFatal\033[m ] $*"
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else
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echo -e " [ Fatal ] $*"
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fi
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echo ""
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if $terminal ; then
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echo -e " \033[1mScript terminated\033[m.."
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else
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echo -e " Script terminated.."
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fi
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echo ""
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rm -f $log_file
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exit 1
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}
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error (){
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echo ""
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if $terminal ; then
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echo -e " [ \033[31m\033[1mError\033[m ] $*"
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else
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echo " [ Error ] $*"
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fi
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echo ""
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}
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warn (){
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if $terminal ; then
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echo ""
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if $terminal ; then
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echo -e " [ \033[33m\033[1mWarn\033[m ] $*"
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else
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echo " [ Warn ] $*"
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fi
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echo ""
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fi
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}
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info (){
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if $terminal ; then
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echo ""
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if $terminal ; then
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echo -e " [ \033[32m\033[1mInfo\033[m ] $*"
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else
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echo " [ Warn ] $*"
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fi
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echo ""
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fi
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}
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echo_done() {
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if $terminal ; then
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echo -e "\033[75G[ \033[32mdone\033[m ]"
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fi
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}
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echo_failed(){
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if $terminal ; then
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echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
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fi
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}
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echo_wait(){
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if $terminal ; then
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echo -en "\033[75G[ \033[5m\033[1m..\033[m ]"
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fi
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}
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echo_skipped() {
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if $terminal ; then
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echo -e "\033[75G[ \033[33m\033[1mskipped\033[m ]"
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fi
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}
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blank_line() {
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if $terminal ; then
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echo ""
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fi
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}
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is_valid_ipv4() {
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local -a octets=( ${1//\./ } )
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local RETURNVALUE=0
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# return an error if the IP doesn't have exactly 4 octets
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[[ ${#octets[@]} -ne 4 ]] && return 1
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for octet in ${octets[@]}
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do
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if [[ ${octet} =~ ^[0-9]{1,3}$ ]]
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then # shift number by 8 bits, anything larger than 255 will be > 0
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((RETURNVALUE += octet>>8 ))
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else # octet wasn't numeric, return error
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return 1
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fi
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done
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return ${RETURNVALUE}
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}
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# - Test if given argument is a valid IPv6 Address
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# -
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is_valid_ipv6() {
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local _ipv6="$1"
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_regex_ipv6='^([0-9a-fA-F]{0,4}:){1,7}[0-9a-fA-F]{0,4}$'
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if [[ "$_ipv6" =~ ${_regex_ipv6} ]]; then
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return 0
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else
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return 1
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fi
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}
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is_number() {
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return $(test ! -z "${1##*[!0-9]*}" > /dev/null 2>&1);
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# - also possible
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# -
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#[[ ! -z "${1##*[!0-9]*}" ]] && return 0 || return 1
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#return $([[ ! -z "${1##*[!0-9]*}" ]])
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}
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is_int() {
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return $(test "$@" -eq "$@" > /dev/null 2>&1);
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}
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# ----------
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# - Jobhandling
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# ----------
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# - Run 'clean_up' for signals SIGHUP SIGINT SIGTERM
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# -
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trap clean_up SIGHUP SIGINT SIGTERM
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# ----------
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# - Some checks ..
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# ----------
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# - Running in a terminal?
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# -
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if [[ -t 1 ]] ; then
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terminal=true
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else
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terminal=false
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fi
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[[ -n "$WIREGUARD_CLIENT_DIR" ]] || WIREGUARD_CLIENT_DIR="$DEFAULT_WIREGUARD_CLIENT_DIR"
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[[ -n "$VPN_User" ]] || VPN_User="$DEFAULT_VPN_User"
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# ----------
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# - Headline
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# ----------
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if $terminal ; then
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echo ""
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echo -e "\033[1m----------\033[m"
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echo -e "\033[32m\033[1mRunning script \033[m\033[1m$script_name\033[32m .. \033[m"
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echo -e "\033[1m----------\033[m"
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fi
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blank_line
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echononl "Load Configuration File $(basename ${conf_file}).."
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if [[ -f "$conf_file" ]]; then
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source "$conf_file" > $log_file 2>&1
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if [[ $? -eq 0 ]]; then
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echo_done
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else
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echo_failed
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fatal "$(cat $log_file)"
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fi
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else
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echo_skipped
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fi
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blank_line
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# ----------
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# - Main part of script
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# ----------
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if $terminal ; then
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# - Get available WireGuard configuration files.
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# -
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while IFS='' read -r -d '' _file_name ; do
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#[[ "$_file_name" = ".." ]] && continue
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#[[ "$_file_name" = "." ]] && continue
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_wg_conf_file="$(basename "$_file_name")"
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_wg_device="${_wg_conf_file%%.conf}"
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wireguard_connection_arr+=("$(basename "$_file_name")")
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wireguard_device_arr+=("$_wg_device")
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if $(ip -br addr show | grep "$_wg_device" > /dev/null 2>&1 ) ; then
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wireguard_device_online_arr+=("$_wg_device")
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else
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wireguard_device_offline_arr+=("$_wg_device")
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fi
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done < <(sudo find "$WIREGUARD_CLIENT_DIR" -mindepth 1 -maxdepth 1 -type f -regex '.*.conf' -print0 | sort -z)
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if [[ ${#wireguard_connection_arr[@]} -eq 0 ]] ; then
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fatal "No WireGuard VPN configured!"
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clean_up 1
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fi
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if [[ ${#wireguard_device_offline_arr[@]} -eq 0 ]]; then
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info "All available WireGuard connections already online."
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clean_up 2
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fi
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echo ""
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echo ""
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echo ""
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echo -e " \033[1mWhich WireGuard Connection should be started?\033[m"
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echo ""
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for i in ${!wireguard_device_offline_arr[@]}; do
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WG_ENTRY="${wireguard_device_offline_arr[$i]}"
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WG_ENTRY="${WG_ENTRY#wg-}"
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echo -e " [$i]\033[9G$WG_ENTRY"
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done
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echo ""
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echo -e " [99]\033[9G\033[33mExit programm\033[m"
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echo ""
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echononl "Choose: "
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_OK=false
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while ! $_OK ; do
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read _IN
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if is_number "$_IN" && [[ -n ${wireguard_device_offline_arr[$_IN]} ]]; then
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WG_DEVICE="${wireguard_device_offline_arr[$_IN]}"
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_OK=true
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elif is_number "$_IN" && [[ $_IN -eq 99 ]] ;then
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echo""
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exit 0
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else
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echo ""
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echo -e "\tWrong value !"
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echo ""
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echononl "Choose again: "
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fi
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done
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fi
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blank_line
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blank_line
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echononl "Start WireGuard connection \033[32m\033[1m${WG_DEVICE#wg-}\033[m.."
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sudo systemctl start wg-quick@${WG_DEVICE}
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if [[ $? -gt 0 ]] ; then
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echo_failed
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else
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echo_done
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fi
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clean_up 0
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