#!/usr/bin/env sh
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#Created by RaidenII, to use DuckDNS's API to add/remove text records
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#modified by helbgd @ 03/13/2018 to support ddnss.de
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#modified by mod242 @ 04/24/2018 to support different ddnss domains
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#Please note: the Wildcard Feature must be turned on for the Host record
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#and the checkbox for TXT needs to be enabled
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# Pass credentials before "acme.sh --issue --dns dns_ddnss ..."
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# --
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# export DDNSS_Token="aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee"
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# --
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#
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DDNSS_DNS_API="https://ddnss.de/upd.php"
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######## Public functions #####################
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#Usage: dns_ddnss_add _acme-challenge.domain.ddnss.de "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_ddnss_add() {
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fulldomain=$1
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txtvalue=$2
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DDNSS_Token="${DDNSS_Token:-$(_readaccountconf_mutable DDNSS_Token)}"
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if [ -z "$DDNSS_Token" ]; then
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_err "You must export variable: DDNSS_Token"
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_err "The token for your DDNSS account is necessary."
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_err "You can look it up in your DDNSS account."
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return 1
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fi
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# Now save the credentials.
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_saveaccountconf_mutable DDNSS_Token "$DDNSS_Token"
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# Unfortunately, DDNSS does not seems to support lookup domain through API
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# So I assume your credentials (which are your domain and token) are correct
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# If something goes wrong, we will get a KO response from DDNSS
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if ! _ddnss_get_domain; then
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return 1
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fi
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# Now add the TXT record to DDNSS DNS
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_info "Trying to add TXT record"
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if _ddnss_rest GET "key=$DDNSS_Token&host=$_ddnss_domain&txtm=1&txt=$txtvalue"; then
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if [ "$response" = "Updated 1 hostname." ]; then
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_info "TXT record has been successfully added to your DDNSS domain."
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_info "Note that all subdomains under this domain uses the same TXT record."
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return 0
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else
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_err "Errors happened during adding the TXT record, response=$response"
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return 1
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fi
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else
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_err "Errors happened during adding the TXT record."
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return 1
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fi
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}
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#Usage: fulldomain txtvalue
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#Remove the txt record after validation.
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dns_ddnss_rm() {
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fulldomain=$1
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txtvalue=$2
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DDNSS_Token="${DDNSS_Token:-$(_readaccountconf_mutable DDNSS_Token)}"
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if [ -z "$DDNSS_Token" ]; then
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_err "You must export variable: DDNSS_Token"
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_err "The token for your DDNSS account is necessary."
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_err "You can look it up in your DDNSS account."
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return 1
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fi
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if ! _ddnss_get_domain; then
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return 1
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fi
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# Now remove the TXT record from DDNS DNS
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_info "Trying to remove TXT record"
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if _ddnss_rest GET "key=$DDNSS_Token&host=$_ddnss_domain&txtm=2"; then
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if [ "$response" = "Updated 1 hostname." ]; then
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_info "TXT record has been successfully removed from your DDNSS domain."
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return 0
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else
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_err "Errors happened during removing the TXT record, response=$response"
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return 1
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fi
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else
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_err "Errors happened during removing the TXT record."
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return 1
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fi
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}
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#################### Private functions below ##################################
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#fulldomain=_acme-challenge.domain.ddnss.de
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#returns
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# _ddnss_domain=domain
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_ddnss_get_domain() {
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# We'll extract the domain/username from full domain
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_ddnss_domain="$(echo "$fulldomain" | _lower_case | _egrep_o '[.][^.][^.]*[.](ddnss|dyn-ip24|dyndns|dyn|dyndns1|home-webserver|myhome-server|dynip)\..*' | cut -d . -f 2-)"
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if [ -z "$_ddnss_domain" ]; then
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_err "Error extracting the domain."
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return 1
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fi
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return 0
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}
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#Usage: method URI
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_ddnss_rest() {
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method=$1
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param="$2"
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_debug param "$param"
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url="$DDNSS_DNS_API?$param"
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_debug url "$url"
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# DDNSS uses GET to update domain info
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if [ "$method" = "GET" ]; then
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response="$(_get "$url" | sed 's/<[a-zA-Z\/][^>]*>//g' | tr -s "\n" | _tail_n 1)"
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else
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_err "Unsupported method"
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return 1
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fi
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_debug2 response "$response"
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return 0
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}
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