mirror of
https://github.com/donaldzou/WGDashboard.git
synced 2024-11-06 07:50:13 +01:00
256 lines
8.9 KiB
Bash
256 lines
8.9 KiB
Bash
#!/bin/bash
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echo "------------------------- START ----------------------------"
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echo "Starting the WireGuard Dashboard Docker container."
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ensure_installation() {
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# When using a custom directory to store the files, this part moves over and makes sure the installation continues.
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echo "Checking if everything is present."
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if [ -z "$(ls -A "${WGDASH}")" ]; then
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echo "Detected empty directory, moving over..."
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# Moving over source files. (This does not include src/db and src/wg-dashboard.ini folder and file.)
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mv -v /setup/app/* "${WGDASH}"
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if [ ! -d "/data/db" ]; then
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echo "Creating database dir"
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mkdir /data/db
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ln -s /data/db ${WGDASH}/src/db
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fi
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if [ ! -f "/data/wg-dashboard.ini" ]; then
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echo "Creating wg-dashboard.ini file"
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touch /data/wg-dashboard.ini
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ln -s /data/wg-dashboard.ini ${WGDASH}/src/wg-dashboard.ini
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fi
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python3 -m venv "${WGDASH}"/src/venv
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. "${WGDASH}/src/venv/bin/activate"
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mv /usr/lib/python3.12/site-packages/psutil* "${WGDASH}"/src/venv/lib/python3.12/site-packages
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mv /usr/lib/python3.12/site-packages/bcrypt* "${WGDASH}"/src/venv/lib/python3.12/site-packages
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chmod +x "${WGDASH}"/src/wgd.sh
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cd "${WGDASH}"/src || exit
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./wgd.sh install
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echo "Looks like the installation succesfully moved over."
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else
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echo "Looks like everything is present. Or the directory is not empty."
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fi
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# This first step is to ensure the wg0.conf file exists, and if not, then its copied over from the ephemeral container storage.
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if [ ! -f "/etc/wireguard/wg0.conf" ]; then
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echo "Standard wg0 Configuration file not found, grabbing template."
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cp -a "/setup/conf/wg0.conf" "/etc/wireguard/wg0.conf"
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echo "Setting a secure private key."
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local privateKey
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privateKey=$(wg genkey)
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sed -i "s|^PrivateKey =$|PrivateKey = ${privateKey}|g" /etc/wireguard/wg0.conf
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sed -i "s|^PrivateKey *=.*$|PrivateKey = ${privateKey}|g" /etc/wireguard/wg0.conf
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echo "Done setting template."
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else
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echo "Existing wg0 configuration file found, using that."
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fi
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}
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# === CLEAN UP ===
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clean_up() {
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printf "\n------------------------ CLEAN UP --------------------------\n"
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# Cleaning out previous data such as the .pid file and starting the WireGuard Dashboard. Making sure to use the python venv.
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echo "Looking for remains of previous instances..."
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local pid_file="${WGDASH}/src/gunicorn.pid"
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if [ -f "$pid_file" ]; then
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echo "Found old pid file, removing."
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rm $pid_file
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else
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echo "No pid remains found, continuing."
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fi
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# Also check for Python caches (pycache) inspired by https://github.com/shuricksumy
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local pycache="${WGDASH}/src/__pycache__"
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if [ -d "$pycache" ]; then
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local pycache_filecount=$(find "$pycache" -maxdepth 1 -type f | wc -l)
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if [ "$pycache_filecount" -gt 0 ]; then
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echo "Found old pycaches, removing."
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rm -rf "$pycache"/*
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else
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echo "No pycaches found, continuing."
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fi
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else
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echo "No pycaches found, continuing."
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fi
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local logdir="${WGDASH}/src/log"
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echo "Cleaning log directory."
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find /opt/wireguarddashboard/src/log -name 'access_*.log' -exec rm {} +
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find /opt/wireguarddashboard/src/log -name 'error_*.log' -exec rm {} +
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echo "Removed unneeded logs!"
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}
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# === SET ENV VARS ===
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set_envvars() {
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printf "\n------------- SETTING ENVIRONMENT VARIABLES ----------------\n"
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# Path to the configuration file (exists because of previous function).
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config_file="/opt/wireguarddashboard/src/wg-dashboard.ini"
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# Check if the file is empty
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if [ ! -s "$config_file" ]; then
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echo "Config file is empty. Creating [Peers] section."
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# Create [Peers] section with initial values
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{
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echo "[Peers]"
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echo "remote_endpoint = ${public_ip}"
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echo "peer_global_dns = ${global_dns}"
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} > "$config_file"
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else
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echo "Config file is not empty"
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cat /opt/wireguarddashboard/src/wg-dashboard.ini
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# Check and update the DNS if it has changed
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current_dns=$(grep "peer_global_dns = " "$config_file" | awk '{print $NF}')
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if [ "${global_dns}" != "$current_dns" ]; then
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echo "Changing default DNS."
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sed -i "s/^peer_global_dns = .*/peer_global_dns = ${global_dns}/" "$config_file"
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else
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echo "DNS is set correctly."
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fi
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# Determine the public IP and update if necessary
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if [ "${public_ip}" = "0.0.0.0" ]; then
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default_ip=$(curl -s ifconfig.me)
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echo "Trying to fetch the Public-IP using ifconfig.me: ${default_ip}"
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sed -i "s/^remote_endpoint = .*/remote_endpoint = ${default_ip}/" "$config_file"
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else
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current_ip=$(grep "remote_endpoint = " "$config_file" | awk '{print $NF}')
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if [ "${public_ip}" != "$current_ip" ]; then
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echo "Setting the Public-IP using given variable: ${public_ip}"
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sed -i "s/^remote_endpoint = .*/remote_endpoint = ${public_ip}/" "$config_file"
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fi
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fi
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fi
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}
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# === CORE SERVICES ===
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start_core() {
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printf "\n---------------------- STARTING CORE -----------------------\n"
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echo "Activating Python venv and executing the WireGuard Dashboard service."
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. "${WGDASH}"/src/venv/bin/activate
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cd "${WGDASH}"/src || return
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bash wgd.sh start
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# Isolated peers feature, first converting the existing configuration files and the given names to arrays.
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local configurations=(/etc/wireguard/*)
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IFS=',' read -r -a do_isolate <<< "${isolate}"
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non_isolate=()
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# Checking if there are matches between the two arrays.
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for config in "${configurations[@]}"; do
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local config=$(echo "$config" | sed -e 's|.*/etc/wireguard/||' -e 's|\.conf$||')
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found=false
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for interface in "${do_isolate[@]}"; do
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if [[ "$config" == "$interface" ]]; then
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found=true
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break
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fi
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done
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if [ "$found" = false ]; then
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non_isolate+=("$config")
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fi
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done
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# Isolating the matches.
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for interface in "${do_isolate[@]}"; do
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if [ "$interface" = "none" ]; then
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echo "Found: $interface, stopping isolation checking."
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break
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else
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if [ -f "/etc/wireguard/${interface}.conf" ]; then
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echo "Isolating interface:" $interface
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upblocking=$(grep -c "PostUp = iptables -I FORWARD -i ${interface} -o ${interface} -j DROP" /etc/wireguard/${interface}.conf)
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downblocking=$(grep -c "PreDown = iptables -D FORWARD -i ${interface} -o ${interface} -j DROP" /etc/wireguard/${interface}.conf)
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if [ "$upblocking" -lt 1 ] && [ "$downblocking" -lt 1 ]; then
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sed -i "/PostUp =/a PostUp = iptables -I FORWARD -i ${interface} -o ${interface} -j DROP" /etc/wireguard/${interface}.conf
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sed -i "/PreDown =/a PreDown = iptables -D FORWARD -i ${interface} -o ${interface} -j DROP" /etc/wireguard/${interface}.conf
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fi
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else
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echo "Configuration for $interface does not seem to exist, continuing."
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fi
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fi
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done
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# Removing isolation for the configurations that did not match.
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for interface in "${non_isolate[@]}"; do
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if [ -f "/etc/wireguard/${interface}.conf" ]; then
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echo "Removing Isolation if present for:" $interface
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sed -i "/PostUp = iptables -I FORWARD -i ${interface} -o ${interface} -j DROP/d" /etc/wireguard/${interface}.conf
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sed -i "/PreDown = iptables -D FORWARD -i ${interface} -o ${interface} -j DROP/d" /etc/wireguard/${interface}.conf
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else
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echo "Configuration for $interface does not seem to exist, continuing."
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fi
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done
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# The following section takes care of enabling wireguard interfaces on startup. Using arrays and given arguments.
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IFS=',' read -r -a enable_array <<< "${enable}"
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for interface in "${enable_array[@]}"; do
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if [ "$interface" = "none" ]; then
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echo "Found: $interface, stopping enabling checking."
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break
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else
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echo "Enabling interface:" $interface
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local fileperms=$(stat -c "%a" /etc/wireguard/${interface}.conf)
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if [ $fileperms -eq 644 ]; then
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echo "Configuration is world accessible, adjusting."
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chmod 600 "/etc/wireguard/${interface}.conf"
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fi
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if [ -f "/etc/wireguard/${interface}.conf" ]; then
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wg-quick up $interface
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else
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echo "No corresponding configuration file found for $interface doing nothing."
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fi
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fi
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done
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}
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# === CLEAN UP ===
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ensure_blocking() {
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#printf "\n-------------- ENSURING CONTAINER CONTINUATION -------------\n"
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sleep 1s
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echo -e "\nEnsuring container continuation."
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# This function checks if the latest error log is created and tails it for docker logs uses.
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if find "/opt/wireguarddashboard/src/log" -mindepth 1 -maxdepth 1 -type f | read -r; then
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latestErrLog=$(find /opt/wireguarddashboard/src/log -name "error_*.log" | head -n 1)
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latestAccLog=$(find /opt/wireguarddashboard/src/log -name "access_*.log" | head -n 1)
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tail -f "${latestErrLog}" "${latestAccLog}"
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fi
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# Blocking command in case of erroring. So the container does not quit.
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sleep infinity
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}
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# Execute functions for the WireGuard Dashboard services, then set the environment variables
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ensure_installation
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set_envvars
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clean_up
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start_core
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ensure_blocking |