NATMap SRV record update script for ns1.com and OpenWrt. Derived from https://github.com/openwrt/packages/blob/master/net/ddns-scripts/files/usr/lib/ddns/update_ns1_com.sh

update_natmap_ip_ns1.sh

#!/bin/sh

. /usr/share/libubox/jshn.sh

write_log() {
	logger -st natmap-update -p "$1" "$2"
}

RRTYPE=A
ZONE="example.com"
DOMAIN="ip.example.com"
IP="$1"
TTL=300
API_KEY="example-key"
URL="https://api.nsone.net/v1/zones/$ZONE/$DOMAIN/$RRTYPE"

DATFILE="$(mktemp -u natmap-update.dat.XXXXXX)"
ERRFILE="$(mktemp -u natmap-update.err.XXXXXX)"
trap 'rm -f "$DATFILE" "$ERRFILE"' EXIT

# Construct JSON payload
# {"answers":[{"answer":["1.1.1.1"]}]}
json_init
json_add_array answers
json_add_object
json_add_array answer
json_add_string "" "$IP"
json_close_array
json_close_object
json_close_array

STATUS=$(curl -s -X POST "$URL" \
	-H "X-NSONE-Key: $API_KEY" \
	-H "Content-Type: application/json" \
	-d "$(json_dump)" \
	-w "%{http_code}\n" -o $DATFILE 2>$ERRFILE)

if [ $? -ne 0 ]; then
	write_log 14 "Curl failed: $(cat $ERRFILE)"
	return 1
elif [ -z $STATUS ] || [ $STATUS != 200 ]; then
	write_log 4 "Request failed: $STATUS, NS1 answered: $(cat $DATFILE)"
	if [ $STATUS = 404 ]; then
		write_log 4 "Status is 404, trying to create a DNS record"

		# {"zone":zone,"domain":domain,"type":type,"answers":[{"answer":["1.1.1.1"]}]}
		json_init
		json_add_string "zone" "$ZONE"
		json_add_string "domain" "$DOMAIN"
		json_add_string "type" "$RRTYPE"
		json_add_int "ttl" "$TTL"
		json_add_array answers
		json_add_object
		json_add_array answer
		json_add_string "" "$IP"
		json_close_array
		json_close_object
		json_close_array

		STATUS=$(curl -s -X PUT "$URL" \
			-H "X-NSONE-Key: $API_KEY" \
			-H "Content-Type: application/json" \
			-d "$(json_dump)" \
			-w "%{http_code}\n" -o $DATFILE 2>$ERRFILE)

		if [ $? -ne 0 ]; then
			write_log 14 "Curl failed: $(cat $ERRFILE)"
			return 1
		elif [ -z $STATUS ] || [ $STATUS != 200 ]; then
			write_log 14 "Request failed: $STATUS, NS1 answered: $(cat $DATFILE)"
			return 1
		fi
	else
		return 1
	fi
fi

write_log 7 "NS1 answered: $(cat $DATFILE)"

return 0

update_natmap_srv_ns1.sh

#!/bin/sh

. /usr/share/libubox/jshn.sh

write_log() {
	logger -st natmap-update -p "$1" "$2"
}

./update_natmap_ip_ns1.sh "$1" &

RRTYPE=SRV
ZONE="example.com"
DOMAIN="_service._proto.example.com"
PRIORITY=0
WEIGHT=0
PORT="$2"
TARGET="ip.example.com"
TTL=300
API_KEY="example-key"
URL="https://api.nsone.net/v1/zones/$ZONE/$DOMAIN/$RRTYPE"

DATFILE="$(mktemp -u natmap-update.dat.XXXXXX)"
ERRFILE="$(mktemp -u natmap-update.err.XXXXXX)"
trap 'rm -f "$DATFILE" "$ERRFILE"' EXIT

# Construct JSON payload
# {"answers":[{"answer":[priority,weight,port,target]}]}
json_init
json_add_array answers
json_add_object
json_add_array answer
json_add_int "" "$PRIORITY"
json_add_int "" "$WEIGHT"
json_add_int "" "$PORT"
json_add_string "" "$TARGET"
json_close_array
json_close_object
json_close_array

STATUS=$(curl -s -X POST "$URL" \
	-H "X-NSONE-Key: $API_KEY" \
	-H "Content-Type: application/json" \
	-d "$(json_dump)" \
	-w "%{http_code}\n" -o $DATFILE 2>$ERRFILE)

if [ $? -ne 0 ]; then
	write_log 14 "Curl failed: $(cat $ERRFILE)"
	return 1
elif [ -z $STATUS ] || [ $STATUS != 200 ]; then
	write_log 4 "Request failed: $STATUS, NS1 answered: $(cat $DATFILE)"
	if [ $STATUS = 404 ]; then
		write_log 4 "Status is 404, trying to create a DNS record"

		# {"zone":zone,"domain":domain,"type":type,"answers":[{"answer":[priority,weight,port,target]}]}
		json_init
		json_add_string "zone" "$ZONE"
		json_add_string "domain" "$DOMAIN"
		json_add_string "type" "$RRTYPE"
		json_add_int "ttl" "$TTL"
		json_add_array answers
		json_add_object
		json_add_array answer
		json_add_int "" "$PRIORITY"
		json_add_int "" "$WEIGHT"
		json_add_int "" "$PORT"
		json_add_string "" "$TARGET"
		json_close_array
		json_close_object
		json_close_array

		STATUS=$(curl -s -X PUT "$URL" \
			-H "X-NSONE-Key: $API_KEY" \
			-H "Content-Type: application/json" \
			-d "$(json_dump)" \
			-w "%{http_code}\n" -o $DATFILE 2>$ERRFILE)

		if [ $? -ne 0 ]; then
			write_log 14 "Curl failed: $(cat $ERRFILE)"
			return 1
		elif [ -z $STATUS ] || [ $STATUS != 200 ]; then
			write_log 14 "Request failed: $STATUS, NS1 answered: $(cat $DATFILE)"
			return 1
		fi
	else
		return 1
	fi
fi

write_log 7 "NS1 answered: $(cat $DATFILE)"

return 0