#!/usr/bin/env bash err() { printf '%s\n' "$*" >&2 } msg() { printf '%s\n' "$*" } set_default() { declare -n _vref=$1 if ! [[ "$_vref" ]]; then _vref=$2 fi } gen_san_string() { declare d declare -a argv argv=( "$@" ) printf '[SAN]\nsubjectAltName=' for d in "${argv[@]}"; do printf 'DNS:%s' "$d" if ! [[ "$d" == "${argv[-1]}" ]]; then printf ',' fi done } main() { declare cfg_dir declare -a domains le_args while (( $# )); do case $1 in -c) cfg_dir=$2 shift;; -t) checkend_seconds=$2 shift;; -d) domains+=( "$2" ) shift;; --) shift break;; *) break;; esac shift done set_default cfg_dir "$HOME/.acme" set_default checkend_seconds 259200 certname=$1 if ! [[ "$certname" ]]; then err "Please tell me what to do!" return 1 fi if ! openssl x509 -checkend "$checkend_seconds" < "$cfg_dir/domains/$certname/certificate.pem"; then if ! (( "${#domains[@]}" )); then if [[ -f "$cfg_dir/domains/$certname/renew.cfg" ]]; then source "$cfg_dir/domains/$certname/renew.cfg" else domains=( "$certname" ) fi fi for d in "${domains[@]}"; do le_args+=( '-d' "$d" ) done echo "le ${le_args[@]}" fi } main "$@"