mailcow/data/Dockerfiles/acme/load-dns-config.sh
2026-03-09 15:27:33 +01:00

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1.5 KiB
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#!/bin/bash
SCRIPT_SOURCE="${BASH_SOURCE[0]:-${0}}"
if [[ "${SCRIPT_SOURCE}" == "${0}" ]]; then
__dns_loader_standalone=1
else
__dns_loader_standalone=0
fi
CONFIG_PATH="${ACME_DNS_CONFIG_FILE:-/etc/acme/dns-01.conf}"
if [[ ! -f "${CONFIG_PATH}" ]]; then
if [[ $__dns_loader_standalone -eq 1 ]]; then
exit 0
else
return 0
fi
fi
source /srv/functions.sh
log_f "Loading DNS-01 configuration from ${CONFIG_PATH}"
LINE_NO=0
while IFS= read -r line || [[ -n "${line}" ]]; do
LINE_NO=$((LINE_NO+1))
line="${line%$'\r'}"
line_trimmed="$(printf '%s' "${line}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
[[ -z "${line_trimmed}" ]] && continue
[[ "${line_trimmed:0:1}" == "#" ]] && continue
if [[ "${line_trimmed}" != *=* ]]; then
log_f "Skipping invalid DNS config line ${LINE_NO} (missing key=value)"
continue
fi
KEY="${line_trimmed%%=*}"
VALUE="${line_trimmed#*=}"
KEY="$(printf '%s' "${KEY}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
VALUE="$(printf '%s' "${VALUE}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
if [[ -z "${KEY}" ]]; then
log_f "Skipping invalid DNS config line ${LINE_NO} (empty key)"
continue
fi
if [[ "${VALUE}" =~ ^\".*\"$ ]]; then
VALUE="${VALUE:1:-1}"
elif [[ "${VALUE}" =~ ^\'.*\'$ ]]; then
VALUE="${VALUE:1:-1}"
fi
export "${KEY}"="${VALUE}"
log_f "Exported DNS config key ${KEY}"
done < "${CONFIG_PATH}"
if [[ $__dns_loader_standalone -eq 1 ]]; then
exit 0
else
return 0
fi