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133 lines
3.0 KiB
133 lines
3.0 KiB
#!/usr/bin/env sh
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#PowerDNS Emdedded API
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#https://doc.powerdns.com/md/httpapi/api_spec/
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#
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#PDNS_Url="http://ns.example.com:8081"
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#PDNS_ServerId="localhost"
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#PDNS_Token="0123456789ABCDEF"
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#PDNS_Ttl=60
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DEFAULT_PDNS_TTL=60
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######## Public functions #####################
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#Usage: add _acme-challenge.www.domain.com "123456789ABCDEF0000000000000000000000000000000000000"
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dns_pdns_add() {
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fulldomain=$1
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txtvalue=$2
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if [ -z "$PDNS_Url" ] ; then
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_err "You don't specify PowerDNS address."
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_err "Please set PDNS_Url and try again."
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return 1
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fi
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if [ -z "$PDNS_ServerId" ] ; then
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_err "You don't specify PowerDNS server id."
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_err "Please set you PDNS_ServerId and try again."
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return 1
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fi
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if [ -z "$PDNS_Token" ] ; then
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_err "You don't specify PowerDNS token."
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_err "Please create you PDNS_Token and try again."
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return 1
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fi
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if [ -z "$PDNS_Ttl" ] ; then
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PDNS_Ttl=$DEFAULT_PDNS_TTL
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fi
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#save the api addr and key to the account conf file.
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_saveaccountconf PDNS_Url "$PDNS_Url"
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_saveaccountconf PDNS_ServerId "$PDNS_ServerId"
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_saveaccountconf PDNS_Token "$PDNS_Token"
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if [ "$PDNS_Ttl" != "$DEFAULT_PDNS_TTL" ] ; then
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_saveaccountconf PDNS_Ttl "$PDNS_Ttl"
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fi
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_debug "First detect the root zone"
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if ! _get_root $fulldomain ; then
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_err "invalid domain"
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return 1
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fi
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_debug _domain "$_domain"
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if ! set_record "$_domain" "$fulldomain" "$txtvalue" ; then
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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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set_record() {
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_info "Adding record"
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root=$1
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full=$2
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txtvalue=$3
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if ! _pdns_rest "PATCH" "/api/v1/servers/$PDNS_ServerId/zones/$root." "{\"rrsets\": [{\"name\": \"$full.\", \"changetype\": \"REPLACE\", \"type\": \"TXT\", \"ttl\": $PDNS_Ttl, \"records\": [{\"name\": \"$full.\", \"type\": \"TXT\", \"content\": \"\\\"$txtvalue\\\"\", \"disabled\": false, \"ttl\": $PDNS_Ttl}]}]}" ; then
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_err "Set txt record error."
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return 1
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fi
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if ! _pdns_rest "PUT" "/api/v1/servers/$PDNS_ServerId/zones/$root./notify" ; then
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_err "Notify servers error."
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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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#################### Private functions bellow ##################################
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#_acme-challenge.www.domain.com
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#returns
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# _domain=domain.com
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_get_root() {
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domain=$1
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i=1
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p=1
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if _pdns_rest "GET" "/api/v1/servers/$PDNS_ServerId/zones" ; then
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_zones_response=$response
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fi
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while [ '1' ] ; do
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h=$(printf $domain | cut -d . -f $i-100)
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if [ -z "$h" ] ; then
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return 1
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fi
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if printf "$_zones_response" | grep "\"name\": \"$h.\"" >/dev/null ; then
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_domain=$h
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return 0
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fi
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p=$i
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i=$(expr $i + 1)
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done
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_debug "$domain not found"
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return 1
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}
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_pdns_rest() {
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method=$1
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ep=$2
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data=$3
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_H1="X-API-Key: $PDNS_Token"
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if [ ! "$method" = "GET" ] ; then
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_debug data "$data"
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response="$(_post "$data" "$PDNS_Url$ep" "" "$method")"
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else
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response="$(_get "$PDNS_Url$ep")"
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fi
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if [ "$?" != "0" ] ; then
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_err "error $ep"
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return 1
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fi
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_debug2 response "$response"
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return 0
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}
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