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