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Synology DSM DNS Server API

Adding/removing TXT records to Synology DSM DNS Server script
pull/3045/head
arabezar 4 years ago
committed by GitHub
parent
commit
a413bd6aab
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  1. 60
      dnsapi/dns_synology_dsm.sh

60
dnsapi/dns_synology_dsm.sh

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#!/bin/bash
# Here is a script to add/remove TXT records to DNS Server on Synology DSM
#
# Author: Arabezar (on github) aka Arkadii Zhuchenko ©13.07.2020
#
#returns 0 means success, otherwise error.
_DNS_TTL="1"
######## Public functions #####################
dns_synology_dsm_add() {
_info "Using API for Synology DSM - adding TXT to Synology DNS Server"
fulldomain=$1
txtvalue=$2
_debug fulldomain "$fulldomain"
_debug txtvalue "$txtvalue"
maindomain="${fulldomain//_acme-challenge\./}"
_debug3 maindomain "$maindomain"
# WebAPI-call can be replaced by adding line to the "/var/packages/DNSServer/target/named/etc/zone/master/$maindomain" file
response=$(synowebapi --exec api=SYNO.DNSServer.Zone.Record method=create version=1 runner=admin \
zone_name='"'"${maindomain}"'"' \
domain_name='"'"${maindomain}"'"' \
rr_owner='"'"${fulldomain}"\.'"' \
rr_ttl='"'${_DNS_TTL}'"' \
rr_type='"'"TXT"'"' \
rr_info='"'"${txtvalue}"'"' 2> /dev/null)
_debug3 response "$response"
if [ "$(echo "$response" | jq '.success')" == true ]; then
return 0
fi
return 1
}
dns_synology_dsm_rm() {
_info "Using API for Synology DSM - removing TXT from Synology DNS Server"
fulldomain=$1
txtvalue=$2
_debug fulldomain "$fulldomain"
_debug txtvalue "$txtvalue"
maindomain="${fulldomain//_acme-challenge\./}"
_debug3 maindomain "$maindomain"
# Just removing TXT record from file (calling synowebapi failed due to some bug in specifying "items" param)
_dns_zone_url="/var/packages/DNSServer/target/named/etc/zone/master/$maindomain"
sed -i "/^${fulldomain}.[[:blank:]]${_DNS_TTL}[[:blank:]]TXT[[:blank:]]\"${txtvalue}\"/d" "$_dns_zone_url"
return 0
}
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