use more variables instead of hard-coding (fixes #3)

files/caddy.service

@@ -1,44 +0,0 @@
-[Unit]
-Description=Caddy HTTP/2 web server
-Documentation=https://caddyserver.com/docs
-After=network-online.target
-Wants=network-online.target
-
-[Service]
-Restart=on-abnormal
-
-User=www-data
-Group=www-data
-Environment=CADDYPATH=/etc/ssl/caddy
-
-PIDFile=/run/caddy.pid
-ExecStart=/usr/local/bin/caddy -log stdout -agree -email=code@jannikbeyerstedt.de -conf=/etc/caddy/Caddyfile -root=/var/tmp
-ExecReload=/bin/kill -USR1 $MAINPID
-
-KillMode=mixed
-KillSignal=SIGQUIT
-TimeoutStopSec=5s
-
-LimitNOFILE=8192
-LimitNPROC=64
-
-StartLimitInterval=600
-;StartLimitBurst=5
-RestartSec=60
-PermissionsStartOnly=true
-
-PrivateTmp=true
-;PrivateDevices=true
-;ProtectHome=true
-;ProtectSystem=full
-ReadWriteDirectories=/etc/ssl/caddy
-
-; The following additional security directives only work with systemd v229 or later.
-; They further restrict privileges that can be gained by caddy.
-; Note that you may have to add capabilities required by any plugins in use.
-;CapabilityBoundingSet=CAP_NET_BIND_SERVICE
-;AmbientCapabilities=CAP_NET_BIND_SERVICE
-;NoNewPrivileges=true
-
-[Install]
-WantedBy=multi-user.target

files/ddns-hosts.sh

@@ -1,54 +0,0 @@
-#!/bin/sh
-passwd='dyndnshosts'
-hostname=$(hostname | tr '[:upper:]' '[:lower:]')
-
-platform='unknown'
-unamestr=$(uname)
-if [ "$unamestr" = 'Linux' ]; then
-  platform='linux'
-elif [ "$unamestr" = 'FreeBSD' ]; then
-  platform='freebsd'
-fi
-
-ip6addr=''
-ip4addr=''
-if [ $platform = 'linux' ]; then
-  ip6addr=$(ip -6 addr show scope global | grep inet6 | tail -1 | egrep -o '([0-9abcdef]{4}[0-9:abcdef]*)')
-  # filter local IPv4 address ranges (172.16.0.0/12, 10.0.0.0/8, 192.168.0.0/16)
-  ip4addr=$(ip -4 addr show scope global | grep inet | egrep -o '([0-9]{1,3}\.){3}[0-9]{1,3}' | grep -Ev '172.(1[6-9]|2[0-9]|3[0-1])' | grep -Ev '10.' | grep -Ev '192.168.' | head -n 1)
-elif [ $platform = 'freebsd' ]; then
-  ip6addr=$(ifconfig em0 | grep inet6 | tail -1 | egrep -o '([0-9abcdef]{4}[0-9:abcdef]*)')
-  ip4addr=$(ifconfig em0 inet | grep inet | egrep -o '([0-9]{1,3}\.){3}[0-9]{1,3}' | head -n 1)
-fi
-
-echo "Current IP addresses of $hostname are: $ip4addr, $ip6addr"
-
-
-if [ $ip4addr ]; then
-  echo "Updating IPv4 DNS entry..."
-else
-  echo "No public IPv4 address, updating DNS entry anyway..."
-fi
-
-# API always returns 200, so check for response payload to begin with {"Success":true,
-url="https://dyndns.jtbx.de/update?secret=$passwd&domain=$hostname&addr=$ip4addr"
-statuscode=$(curl -s $url)
-case "$statuscode" in
-  {\"Success\":true*) echo "IPv4 Success" ;;
-  *) (>&2 echo "IPv4 DynDNS update failed: API response:\n$statuscode") ;;
-esac
-
-
-if [ $ip6addr ]; then
-  echo "Updating IPv6 DNS entry..."
-
-  # API always returns 200, so check for response payload to begin with {"Success":true,
-  url="https://dyndns.jtbx.de/update?secret=$passwd&domain=$hostname&addr=$ip6addr"
-  statuscode=$(curl -s $url)
-  case "$statuscode" in
-    {\"Success\":true*) echo "IPv6 Success" ;;
-    *) (>&2 echo "IPv6 DynDNS update failed: API response:\n$statuscode") ;;
-  esac
-else
-  echo "No public IPv6 Address, skipping DNS update."
-fi

files/ddns-namecheap.sh

@@ -1,6 +0,0 @@
-#!/bin/bash
-passwd='dyndnshosts'
-hostname=$(hostname | tr '[:upper:]' '[:lower:]')
-domain=jtbx.space
-
-/usr/bin/curl -4 -s "http://dynamicdns.park-your-domain.com/update?host=$hostname&domain=$domain&password=$passwd" > /dev/null