105 lines
3.8 KiB
Plaintext
105 lines
3.8 KiB
Plaintext
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#!/run/current-system/sw/bin/bash
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# homeserverdns - https://ulrich.earth/code/homeserverdns
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#
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# Copyright (C) 2018 Christian Ulrich
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This script is called by homeserverdns-daemon for updating A/AAAA records.
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# These environment variables will be set by homeserverdns-daemon:
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#
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# PROTOCOL protocol name (gandi|dyndns|httpnet)
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# API_ADDRESS address for API requests, required for dnydns protocol
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# USER user name for authentication at the API
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# AUTH_KEY authentication token for authentication at the API
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# DOMAIN fqdn for which A/AAAA records will be set
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# L2_DOMAIN second-level domain for which A/AAAA records will be set
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# RECORD_NAME name of the record to be set
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# IP4 new value of the A record (IP4 or IP6 will be set exclusively)
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# IP6 new value of the AAAA record (IP4 or IP6 will be set exclusively)
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# TTL new TTL value for the A/AAAA records, required for gandi protocol
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### gandi.net LiveDNS API
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### () -> status_code
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function update_gandi {
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local url="https://dns.api.gandi.net/api/v5/domains/${L2_DOMAIN}/records/${RECORD_NAME}"
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local ip=""
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if [ -n "${IP4}" ]; then
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url="${url}/A"
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ip=$IP4
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elif [ -n "${IP6}" ]; then
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url="${url}/AAAA"
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ip=$IP6
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fi
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status=$(curl -o /dev/null -s -w "%{http_code}\n" \
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-X PUT \
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-H "Content-Type:application/json" \
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-H "X-Api-Key:${AUTH_KEY}" \
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-d "{\"rrset_ttl\":${TTL},\"rrset_values\":[\"${ip}\"]}" \
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$url)
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echo "${status}"
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}
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# FIXME: untested
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### http.net DNS API v1
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### () -> status_code
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function update_httpnet {
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local current_ip4=$(dig A +short $DOMAIN)
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local current_ip6=$(dig AAAA +short $DOMAIN)
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local url="https://partner.http.net/api/dns/v1/json/zoneUpdate"
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local items_add=""
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local items_delete=""
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if [ -n "${IP4}" ]; then
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items_add="{\"name\":\"${DOMAIN}\",\"type\":\"A\",\"content\":\"${IP4}\",\"ttl\":\"${TTL}\"}"
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elif [ -n "${IP6}" ]; then
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items_add="{\"name\":\"${DOMAIN}\",\"type\":\"AAAA\",\"content\":\"${IP6}\",\"ttl\":\"${TTL}\"}"
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fi
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if [ -n "${current_ip4}" ]; then
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items_delete="{\"name\":\"${DOMAIN}\",\"type\":\"A\",\"content\":\"${current_ip4}\"}"
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fi
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if [ -n "${current_ip6}" ]; then
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items_delete="{\"name\":\"${DOMAIN}\",\"type\":\"AAAA\",\"content\":\"${current_ip6}\"}"
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fi
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status=$(curl -o /dev/null -s -w "%{http_code}\n" \
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-X PUT \
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-d "{\"authToken\":\"${AUTH_KEY}\"," \
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"\"zoneConfig\":{\"name\":\"${L2_DOMAIN}\"}," \
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"\"recordsToAdd\":[${items_add}]," \
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"\"recordsToDelete\":[${items_delete}]}" \
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$url)
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echo "${status}"
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}
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# FIXME: untested
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### dyndns API v2/v3 API
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### () -> status_code
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function update_dyndns {
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local hostname=${L2_DOMAIN}
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if [ "${RECORD_NAME}" != "@" ]; then
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local hostname=$DOMAIN
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fi
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local address=${IP4:-$IP6}
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local url="https://${USER}:${AUTH_KEY}@${API_ADDRESS}?hostname=${hostname}&myip=${address}"
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status=$(curl -o /dev/null -s -w "%{http_code}\n" $url)
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echo "${url} ${status}"
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}
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eval "update_${PROTOCOL}"
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