ddnsmngr: 1.0.0

ddnsmngr/Config.in

@@ -0,0 +1,16 @@
+if PACKAGE_ddnsmngr
+choice
+	prompt "Select backend for dynamic DNS management"
+	default DDNSMNGR_BACKEND_DDNSSCRIPT
+	depends on PACKAGE_ddnsmngr
+	help
+		Select which package to use for dynamic DNS support
+
+config DDNSMNGR_BACKEND_DDNSSCRIPT
+	bool "Use ddns_script"
+
+config DDNSMNGR_BACKEND_INADYN
+	bool "Use inadyn"
+
+endchoice
+endif

ddnsmngr/Makefile

@@ -0,0 +1,79 @@
+#
+# Copyright (C) 2024 IOPSYS
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=ddnsmngr
+PKG_VERSION:=1.0.0
+
+LOCAL_DEV:=0
+ifneq ($(LOCAL_DEV),1)
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://dev.iopsys.eu/bbf/ddnsmngr.git
+PKG_SOURCE_VERSION:=d0d37df44644ef2c1a0b11d3a4f92dc694ae1010
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
+PKG_MIRROR_HASH:=skip
+endif
+
+PKG_LICENSE:=BSD-3-Clause
+PKG_LICENSE_FILES:=LICENSE
+PKG_CONFIG_DEPENDS:=CONFIG_DDNSMNGR_BACKEND_DDNSSCRIPT CONFIG_DDNSMNGR_BACKEND_INADYN
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/$(PKG_NAME)
+  SECTION:=utils
+  CATEGORY:=Utilities
+  SUBMENU:=TRx69
+  TITLE:=Dynamic DNS manager
+  DEPENDS:=+libbbfdm-api +DDNSMNGR_BACKEND_DDNSSCRIPT:ddns-scripts +DDNSMNGR_BACKEND_INADYN:inadyn
+  MENU:=1
+endef
+
+define Package/$(PKG_NAME)/config
+	source "$(SOURCE)/Config.in"
+endef
+
+MAKE_PATH:=src
+
+define Package/$(PKG_NAME)/description
+	Manage dynamic DNS updation and provides Device.DynamicDNS. datamodel object based on TR181-2.16
+endef
+
+ifeq ($(LOCAL_DEV),1)
+define Build/Prepare
+	$(CP) -rf ~/git/ddnsmngr/* $(PKG_BUILD_DIR)/
+endef
+endif
+
+define Package/$(PKG_NAME)/install
+	$(INSTALL_DIR) $(1)/etc/ddnsmngr
+	$(INSTALL_DIR) $(1)/etc/ddnsmngr/ddns
+	$(INSTALL_DIR) $(1)/etc/ddnsmngr/servers
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(INSTALL_DIR) $(1)/usr/lib/ddnsmngr
+	$(INSTALL_DIR) $(1)/etc/init.d
+	$(INSTALL_DIR) $(1)/etc/config
+	$(INSTALL_DIR) $(1)/etc/uci-defaults
+	$(INSTALL_DIR) $(1)/usr/libexec/rpcd
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/src/libddnsmngr.so $(1)/etc/ddnsmngr/
+	$(INSTALL_DATA) ./files/etc/ddnsmngr/input.json $(1)/etc/ddnsmngr/
+	$(INSTALL_DATA) ./files/etc/config/ddnsmngr $(1)/etc/config/ddnsmngr
+	$(INSTALL_BIN) ./files/etc/uci-defaults/01-ddns-config-migrate $(1)/etc/uci-defaults/
+	$(INSTALL_BIN) ./files/etc/init.d/ddnsmngr $(1)/etc/init.d/ddnsmngr
+ifeq ($(CONFIG_DDNSMNGR_BACKEND_DDNSSCRIPT),y)
+	$(INSTALL_BIN) ./files/usr/lib/ddns_script/ddnsmngr_service.sh $(1)/usr/lib/ddnsmngr/
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/files/ddns-script/usr/lib/ddnsmngr/ddnsmngr_updater.sh $(1)/usr/lib/ddnsmngr/
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/files/ddns-script/server/* $(1)/etc/ddnsmngr/servers
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/files/ddns-script/usr/libexec/rpcd/ddnsmngr $(1)/usr/libexec/rpcd/ddnsmngr
+endif
+ifeq ($(CONFIG_DDNSMNGR_BACKEND_INADYN),y)
+	$(INSTALL_BIN) ./files/usr/lib/inadyn/ddnsmngr_service.sh $(1)/usr/lib/ddnsmngr/
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/files/inadyn/server/* $(1)/etc/ddnsmngr/servers
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/files/inadyn/usr/libexec/rpcd/ddnsmngr $(1)/usr/libexec/rpcd/ddnsmngr
+endif
+endef
+
+
+$(eval $(call BuildPackage,$(PKG_NAME)))

ddnsmngr/files/etc/config/ddnsmngr

@@ -0,0 +1,23 @@
+config ddnsmngr 'global'
+	option configfile '/var/run/ddnsmngr/ddnsmngr.json'
+	option ddns_dateformat '%F %R'
+	option ddns_rundir '/var/run/ddnsmngr'
+	option ddns_logdir '/var/log/ddnsmngr'
+	option ddns_loglines '250'
+	option upd_privateip '0'
+	option use_curl '1'
+
+config server 'ddns_server_1'
+	option enabled '1'
+	option service 'dynu.com'
+	option name 'dynu.com'
+
+config server 'ddns_server_2'
+	option enabled '1'
+	option service 'dyndns.org'
+	option name 'dyndns.org'
+
+config server 'ddns_server_3'
+	option enabled '1'
+	option service 'zoneedit.com'
+	option name 'zoneedit.com'

ddnsmngr/files/etc/ddnsmngr/input.json

@@ -0,0 +1,15 @@
+{
+	"daemon": {
+		"input": {
+			"type": "DotSo",
+			"name": "/etc/ddnsmngr/libddnsmngr.so"
+		},
+		"output": {
+			"type": "UBUS",
+			"name": "bbfdm.ddnsmngr",
+			"parent_dm": "Device.",
+			"object": "DynamicDNS",
+			"root_obj": "bbfdm"
+		}
+	}
+}

ddnsmngr/files/etc/init.d/ddnsmngr

@@ -0,0 +1,29 @@
+#!/bin/sh /etc/rc.common
+
+START=80
+STOP=10
+USE_PROCD=1
+DM_INPUT="/etc/ddnsmngr/input.json"
+
+. /etc/bbfdm/bbfdm_services.sh
+. /usr/lib/ddnsmngr/ddnsmngr_service.sh
+
+start_service() {
+	start_ddnsmngr_service
+	bbfdm_add_service "bbfdm.ddnsmngr" "${DM_INPUT}"
+}
+
+stop_service() {
+	stop_ddnsmngr_service
+}
+
+reload_service() {
+	stop
+	sleep 1
+	start
+}
+
+service_triggers() {
+	procd_add_reload_trigger ddnsmngr
+	add_ddnsmngr_triggers
+}

ddnsmngr/files/etc/uci-defaults/01-ddns-config-migrate

@@ -0,0 +1,170 @@
+#!/bin/sh
+
+. /lib/functions.sh
+
+cl_id=1
+srv_id=1
+
+function get_ddns_config_option() {
+	local val
+
+	val="$(uci -q get ddns.${1}.${2})"
+
+	if [ -z "${val}" ] && [ -n "${3}" ]; then
+		val="${3}"
+	fi
+
+	echo "${val}"
+}
+
+function config_supported_service() {
+	if ! uci -q get ddnsmngr.global >/dev/null 2>&1; then
+		uci -q set ddnsmngr.global="ddnsmngr"
+	fi
+
+	servers=""
+
+	for i in $(find /etc/ddnsmngr/servers/ -name '*.json' | cut -d'/' -f 5 | sed "s/.json//")
+	do
+		if [ -z "${servers}" ]; then
+			servers="${i}"
+		else
+			servers="${servers},${i}"
+		fi
+	done
+
+	uci -q set ddnsmngr.global.supported_services="${servers}"
+}
+
+function migrate_service_section() {
+	client_sec=""
+	enabled="$(get_ddns_config_option ${1} enabled "0")"
+	service_name="$(get_ddns_config_option ${1} service_name)"
+	interface="$(get_ddns_config_option ${1} interface)"
+	ip_network="$(get_ddns_config_option ${1} ip_network)"
+	username="$(get_ddns_config_option ${1} username)"
+	password="$(get_ddns_config_option ${1} password)"
+	lookup_host="$(get_ddns_config_option ${1} lookup_host)"
+	use_ipv6="$(get_ddns_config_option ${1} use_ipv6 "0")"
+	force_ipversion="$(get_ddns_config_option ${1} force_ipversion "0")"
+	use_https="$(get_ddns_config_option ${1} use_https "0")"
+	force_dnstcp="$(get_ddns_config_option ${1} force_dnstcp "0")"
+
+	if [ -z "${service_name}" ]; then
+		uci -q delete ddns."${1}"
+		return 0
+	fi
+
+	# check server file is present in device
+	if [ ! -f "/etc/ddnsmngr/servers/${service_name}.json" ]; then
+		uci -q delete ddns."${1}"
+		return 0
+	fi
+
+	# Check if client section is already added for this service
+	clients=$(uci -q show ddnsmngr | grep "=client")
+	client_count=$(echo "${clients}" | wc -l)
+
+	tmp=0
+	while [ $tmp -lt $client_count ]
+	do
+		mngr_serv="$(uci -q get ddnsmngr.@client[$tmp].service_name)"
+		mngr_intf="$(uci -q get ddnsmngr.@client[$tmp].interface)"
+		mngr_netw="$(uci -q get ddnsmngr.@client[$tmp].ip_network)"
+		mngr_user="$(uci -q get ddnsmngr.@client[$tmp].username)"
+		mngr_ipv6="$(uci -q get ddnsmngr.@client[$tmp].use_ipv6)"
+		mngr_forceip="$(uci -q get ddnsmngr.@client[$tmp].force_ipversion)"
+		mngr_https="$(uci -q get ddnsmngr.@client[$tmp].use_https)"
+		mngr_dnstcp="$(uci -q get ddnsmngr.@client[$tmp].force_dnstcp)"
+
+		[ -z "${mngr_ipv6}" ] && mngr_ipv6="0"
+		[ -z "${mngr_forceip}" ] && mngr_forceip="0"
+		[ -z "${mngr_https}" ] && mngr_https="0"
+		[ -z "${mngr_dnstcp}" ] && mngr_dnstcp="0"
+
+		if [ "${mngr_serv}" == "${service_name}" ] && [ "${mngr_intf}" == "${interface}" ] && \
+		   [ "${mngr_netw}" == "${ip_network}" ] && [ "${mngr_user}" == "${username}" ] && \
+		   [ "${mngr_ipv6}" == "${use_ipv6}" ] && [ "${mngr_forceip}" == "${force_ipversion}" ] && \
+		   [ "${mngr_https}" == "${use_https}" ] && [ "${mngr_dnstcp}" == "${force_dnstcp}" ]; then
+			break
+		fi
+
+		tmp=$(( tmp + 1 ))
+	done
+
+	if [ $tmp -ne $client_count ]; then
+		i=0
+		for client in $clients; do
+			if [ $i -eq $tmp ]; then
+				client_sec="$(echo $client | cut -d'=' -f 1 | cut -d'.' -f 2)"
+				break
+			fi
+			i=$(( i + 1 ))
+		done
+
+		if [ $enabled -eq 1 ]; then
+			uci -q set ddnsmngr."${client_sec}".enabled="1"
+		fi
+	else
+		client_sec=ddns_mig_client_"${cl_id}"
+
+		uci -q set ddnsmngr."${client_sec}"="client"
+		uci -q set ddnsmngr."${client_sec}".enabled="${enabled}"
+		uci -q set ddnsmngr."${client_sec}".service_name="${service_name}"
+		uci -q set ddnsmngr."${client_sec}".interface="${interface}"
+		uci -q set ddnsmngr."${client_sec}".ip_network="${ip_network}"
+		uci -q set ddnsmngr."${client_sec}".username="${username}"
+		uci -q set ddnsmngr."${client_sec}".password="${password}"
+		uci -q set ddnsmngr."${client_sec}".use_ipv6="${use_ipv6}"
+		uci -q set ddnsmngr."${client_sec}".force_ipversion="${force_ipversion}"
+		uci -q set ddnsmngr."${client_sec}".use_https="${use_https}"
+		uci -q set ddnsmngr."${client_sec}".force_dnstcp="${force_dnstcp}"
+
+		cl_id=$(( cl_id + 1 ))
+
+		# add server section if not added
+		servers=$(uci -q show ddnsmngr | grep "service=\'${service_name}\'")
+		if [ -z "${servers}" ]; then
+			server_sec=ddns_mig_server_"${srv_id}"
+			uci -q set ddnsmngr."${server_sec}"="server"
+			uci -q set ddnsmngr."${server_sec}".enabled="1"
+			uci -q set ddnsmngr."${server_sec}".service="${service_name}"
+			uci -q set ddnsmngr."${server_sec}".name="${service_name}"
+
+			srv_id=$(( srv_id + 1 ))
+		fi
+	fi
+
+
+	# if lookup_host is set then add host section
+	if [ -n "${lookup_host}" ] && [ -n "${client_sec}" ]; then
+		# check number of hosts present for this client
+		host_count=$(uci -q show ddnsmngr | grep "dm_parent=\'${client_sec}\'" | wc -l)
+		host_ix=$(( host_count + 1 ))
+		host_sec="${client_sec}"_host_"${host_ix}"
+
+		uci -q set ddnsmngr."${host_sec}"="host"
+		uci -q set ddnsmngr."${host_sec}".enabled="${enabled}"
+		uci -q set ddnsmngr."${host_sec}".lookup_host="${lookup_host}"
+		uci -q set ddnsmngr."${host_sec}".dm_parent="${client_sec}"
+	fi
+
+	uci -q delete ddns."${1}"
+}
+
+function migrate_ddns_config() {
+	if [ ! -f "/etc/config/ddnsmngr" ]; then
+		# Create ddnsmngr config file
+		touch /etc/config/ddnsmngr
+	fi
+
+	config_supported_service
+
+	config_load ddns
+	config_foreach migrate_service_section service
+
+	uci -q commit ddns
+	uci -q commit ddnsmngr
+}
+
+migrate_ddns_config

ddnsmngr/files/usr/lib/ddns_script/ddnsmngr_service.sh

@@ -0,0 +1,169 @@
+#! /bin/sh
+
+RUNDIR="/var/run/ddnsmngr"
+LOGDIR="/var/log/ddnsmngr"
+PROG="/usr/lib/ddnsmngr/ddnsmngr_updater.sh"
+CONFIGFILE="/var/run/ddnsmngr/ddnsmngr.json"
+CLIENT_INTFS=""
+
+. /usr/share/libubox/jshn.sh
+
+log() {
+	echo "$*"|logger -t ddnsmngr.init -p debug
+}
+
+validate_host_section() {
+	uci_validate_section ddnsmngr host "${1}" \
+		'enabled:bool:0' \
+		'lookup_host:string' \
+		'dm_parent:string'
+}
+
+validate_client_section() {
+	uci_validate_section ddnsmngr client "${1}" \
+		'enabled:bool:0' \
+		'service_name:string' \
+		'interface:string' \
+		'ip_network:string' \
+		'username:string' \
+		'password:string' \
+		'use_https:bool:0' \
+		'force_dnstcp:bool:0' \
+		'use_ipv6:bool:0' \
+		'force_ipversion:bool:0'
+}
+
+add_object() {
+	local enabled lookup_host dm_parent use_ipv6 force_ipversion proc_info_file
+	local service_name interface ip_network username password use_https force_dnstcp
+
+	validate_host_section "${1}" || {
+		log "Validation of host section failed"
+		return 0
+	}
+
+	if [ "${enabled}" -ne 1 ] || [ -z "${dm_parent}" ]; then
+		return 0
+	fi
+
+	validate_client_section "${dm_parent}" || {
+		log "Validation of client section failed"
+		return 0 
+	}
+
+	if [ "${enabled}" -ne 1 ]; then
+		return 0
+	fi
+
+	service_name=$(uci -q get ddnsmngr.${dm_parent}.service_name)
+	if [ -z "${service_name}" ]; then
+		return 0
+	fi
+
+	service_section=$(uci -q show ddnsmngr | grep "service=\'${service_name}\'" | cut -d'.' -f 2 | head -1)
+	if [ -z "${service_section}" ]; then
+		return 0
+	fi
+
+	service_enabled=$(uci -q get ddnsmngr.${service_section}.enabled)
+	if [ "${service_enabled}" -ne 1 ]; then
+		return 0
+	fi
+
+	json_add_object
+	json_add_string "interface" "${interface}"
+	json_add_string "service_name" "${service_name}"
+	json_add_string "username" "${username}"
+	json_add_string "password" "${password}"
+	json_add_string "lookup_host" "${lookup_host}"
+	json_add_string "ip_network" "${ip_network}"
+	json_add_string "proc_info_file" "${1}"
+	json_add_string "use_ipv6" "${use_ipv6}"
+	json_add_string "force_ipversion" "${force_ipversion}"
+	json_add_string "use_https" "${use_https}"
+	json_add_string "force_dnstcp" "${force_dnstcp}"
+	json_close_object
+
+	if [ -z "${interface}" ]; then
+		if [ "${use_ipv6}" -eq 0 ]; then
+			interface="wan"
+		else
+			interface="wan6"
+		fi
+	fi
+
+	for intf in $CLIENT_INTFS; do
+		if [ "${intf}" == "${interface}" ]; then
+			return 0
+		fi
+	done
+
+	CLIENT_INTFS="${CLIENT_INTFS} ${interface}"
+}
+
+start_ddnsmngr_service() {
+	run_dir=$(uci -q get ddnsmngr.global.ddns_rundir)
+	log_dir=$(uci -q get ddnsmngr.global.ddns_logdir)
+
+	if [ -n "${run_dir}" ]; then
+		RUNDIR="${run_dir}"
+	fi
+
+	if [ -n "${log_dir}" ]; then
+		LOGDIR="${log_dir}"
+	fi
+
+	mkdir -p "${RUNDIR}"
+	mkdir -p "${LOGDIR}"
+
+	conf_file=$(uci -q get ddnsmngr.global.configfile)
+	if [ -n "${conf_file}" ]; then
+		CONFIGFILE="${conf_file}"
+	fi
+
+	touch "${CONFIGFILE}"
+
+	if [ ! -f "${CONFIGFILE}" ]; then
+		log "Can not create ${CONFIGFILE}, exit"
+		exit 0
+	fi
+
+	json_init
+	json_add_array "services"
+
+	config_load ddnsmngr
+	config_foreach add_object host
+
+	json_close_array
+	json_dump > "${CONFIGFILE}"
+
+	procd_open_instance ddnsmngr
+	procd_set_param command "$PROG"
+	procd_append_param command -c "${CONFIGFILE}"
+	procd_append_param command -- start
+	procd_close_instance
+}
+
+stop_ddnsmngr_service() {
+	conf_file=$(uci -q get ddnsmngr.global.configfile)
+	if [ -n "${conf_file}" ]; then
+		CONFIGFILE="${conf_file}"
+	fi
+
+	if [ ! -f "${CONFIGFILE}" ]; then
+		log "${CONFIGFILE} not found, can't stop services if running any"
+	fi
+
+	"$PROG" -c "${CONFIGFILE}" -- stop
+	return 0
+}
+
+add_ddnsmngr_triggers() {
+	procd_open_trigger
+	for intf in $CLIENT_INTFS; do
+		# No need to handle other ifevents like ifupdate etc
+		procd_add_interface_trigger "interface.*.up" $intf /etc/init.d/ddnsmngr restart
+		procd_add_interface_trigger "interface.*.down" $intf /etc/init.d/ddnsmngr restart
+	done
+	procd_close_trigger
+}

ddnsmngr/files/usr/lib/inadyn/ddnsmngr_service.sh

@@ -0,0 +1,311 @@
+#!/bin/sh
+
+PROG="/usr/sbin/inadyn"
+CONFIGPATH="/tmp/inadyn_config"
+PIDPATH="/etc/inadyn_pid"
+CLIENT_INTFS=""
+CONFIG_FILES=""
+SERVER_PATH="/etc/ddnsmngr/servers"
+
+FORMAT="custom [SECTION] {\n\tusername\t= [USER]\n\tpassword\t= [PWD]\n\tddns-server\t= [SERV]\n\tddns-path\t= [URI]\n\tssl\t\t= [SSL]\n\thostname\t= [NAME]\n\tcheckip-command\t= [CMD]\n\tddns-response\t= [RESPONSES]\n}"
+
+
+. /usr/share/libubox/jshn.sh
+
+log() {
+	echo "$*"|logger -t ddnsmngr.init -p debug
+}
+
+get_service_data() {
+	local provider="$1"
+	shift
+	local dir="$1"
+	shift
+	local ipv6="$1"
+	shift
+
+	local name data url answer script
+
+	[ $# -ne 2 ] && {
+		return 1
+	}
+
+	[ -f "${dir}/${provider}.json" ] || {
+		eval "$1=\"\""
+		eval "$2=\"\""
+		return 1
+	}
+
+	json_load_file "${dir}/${provider}.json"
+	json_get_var name "name"
+	if [ "$ipv6" -eq "1" ]; then
+		json_select "ipv6"
+	else
+		json_select "ipv4"
+	fi
+	json_get_var data "url"
+	json_get_var answer "answer"
+	json_select ".."
+	json_cleanup
+
+	response=""
+	if [ -n "${answer}" ]; then
+		answer=$(echo "${answer}" | sed 's/|/ /g')
+		for ans in $answer; do
+			if [ -z "${response}" ]; then
+				response="${ans}"
+			else
+				response="${response}, ${ans}"
+			fi
+		done
+		response="{ ${response} }"
+	fi
+
+	eval "$1=\"$data\""
+	eval "$2=\"$response\""
+
+	return 0
+}
+
+generate_inadyn_config() {
+	json_load "${1}"
+	json_get_var service_name service_name
+	json_get_var use_ipv6 use_ipv6
+	json_get_var interface interface
+	json_get_var username username
+	json_get_var password password
+	json_get_var host lookup_host
+	json_get_var conf_file config_file
+	json_get_var conf_dir config_dir
+	json_get_var server_address server_address
+	json_cleanup
+
+	if [ -z "${service_name}" ] || [ -z "${host}" ]; then
+		return 1
+	fi
+
+	if [ -z "${conf_file}" ]; then
+		return 1
+	fi
+
+	if [ -z "${conf_dir}" ]; then
+		return 1
+	fi
+
+	# First look into custom path to load the url otherwise default path
+	get_service_data "${service_name}" "${SERVER_PATH}" "${use_ipv6}" server_url server_answer
+
+	if [ -z "${server_url}" ]; then
+		return 1
+	fi
+
+	# Need to pick proto, server address and request uri separately from the url
+	# format http://[server_address]/[update_Request_uri]
+	proto=$(echo $server_url | cut -d':' -f 1)
+	serv=$(echo $server_url | cut -d'/' -f 3 | cut -d'@' -f 2)
+	uri=${server_url#*$serv}
+
+	if [ -z $proto ] || [ -z $serv ] || [ -z $uri ]; then
+		return 1
+	fi
+
+	path=$(echo "$uri" | sed 's/&/\\&/g')
+	update_uri=$(echo $path | sed -e "s#\[DOMAIN\]#%h#g"	-e "s#\[PASSWORD\]#%p#g" \
+				      -e "s#\[USERNAME\]#%u#g"	-e "s#\[IP\]#%i#g")
+
+	if [ -z "${interface}" ]; then
+		if [ "${use_ipv6}" -eq 0 ]; then
+			interface="wan"
+		else
+			interface="wan6"
+		fi
+	fi
+
+	# now get the physical interface name
+	intf=$(ifstatus "${interface}" | jsonfilter -e '@.device')
+	if [ -z "${intf}" ]; then
+		return 1
+	fi
+
+	# command to get ip of the interface
+	if [ "${use_ipv6}" -eq 0 ]; then
+		get_ip="\"ifstatus ${interface} | jsonfilter -e '@[\\\\\"ipv4-address\\\\\"][0].address'\""
+	else
+		get_ip="\"ifstatus ${interface} | jsonfilter -e '@[\\\\\"ipv6-address\\\\\"][0].address'\""
+	fi
+
+	if [ "${proto}" = "http" ]; then
+		ssl="false"
+	else
+		ssl="true"
+	fi
+
+	inadyn_ver=$(inadyn -v)
+	user_agent="inadyn/${inadyn_ver}"
+
+	config_file="${conf_dir}/${conf_file}"
+	touch "${config_file}"
+
+	echo "iface = ${intf}" > "${config_file}"
+	echo "period = 600" >> "${config_file}"
+	echo "user-agent = ${user_agent}" >> "${config_file}"
+
+	if [ "${use_ipv6}" -eq 1 ]; then
+		echo "allow-ipv6 = true" >> "${config_file}"
+	fi
+
+	if [ -z "${password}" ]; then
+		FORMAT=$(echo "${FORMAT}" | sed 's/\\tpassword\\t= \[PWD\]\\n//g')
+	fi
+
+	if [ -z "${server_answer}" ]; then
+		FORMAT=$(echo "${FORMAT}" | sed 's/\\tddns-response\\t= \[RESPONSES\]\\n//g')
+	fi
+
+	config=$(echo $FORMAT | sed -e "s#\[SECTION\]#$conf_file#g"	-e "s#\[PWD\]#$password#g" \
+				    -e "s#\[USER\]#$username#g"	-e "s#\[SERV\]#$serv#g" \
+				    -e "s#\[URI\]#\"$update_uri\"#g"	-e "s#\[SSL\]#$ssl#g" \
+				    -e "s#\[NAME\]#$host#g"	-e "s#\[CMD\]#$get_ip#g" \
+				    -e "s#\[RESPONSES\]#$server_answer#g")
+
+	echo -e "\n\n${config}" >> "${config_file}"
+
+	return 0
+}
+
+validate_host_section() {
+	uci_validate_section ddnsmngr host "${1}" \
+		'enabled:bool:0' \
+		'lookup_host:string' \
+		'dm_parent:string'
+}
+
+validate_client_section() {
+	uci_validate_section ddnsmngr client "${1}" \
+		'enabled:bool:0' \
+		'service_name:string' \
+		'interface:string' \
+		'ip_network:string' \
+		'username:string' \
+		'password:string' \
+		'use_https:bool:0' \
+		'force_dnstcp:bool:0' \
+		'use_ipv6:bool:0' \
+		'force_ipversion:bool:0'
+}
+
+add_object() {
+	local enabled lookup_host dm_parent use_ipv6 force_ipversion
+	local service_name interface ip_network username password use_https force_dnstcp
+
+	validate_host_section "${1}" || {
+		log "Validation of host section failed"
+		return
+	}
+
+	if [ "${enabled}" -ne 1 ] || [ -z "${dm_parent}" ]; then
+		return
+	fi
+
+	validate_client_section "${dm_parent}" || {
+		log "Validation of client section failed"
+		return
+	}
+
+	if [ "${enabled}" -ne 1 ]; then
+		return
+	fi
+
+	service_name=$(uci -q get ddnsmngr.${dm_parent}.service_name)
+	if [ -z "${service_name}" ]; then
+		return
+	fi
+
+	service_section=$(uci show ddnsmngr | grep "service=\'${service_name}\'" | cut -d'.' -f 2 | head -1)
+	if [ -z "${service_section}" ]; then
+		return
+	fi
+
+	service_enabled=$(uci -q get ddnsmngr.${service_section}.enabled)
+	if [ "${service_enabled}" -ne 1 ]; then
+		return
+	fi
+
+	json_init
+	json_add_string "interface" "${interface}"
+	json_add_string "service_name" "${service_name}"
+	json_add_string "username" "${username}"
+	json_add_string "password" "${password}"
+	json_add_string "lookup_host" "${lookup_host}"
+	json_add_string "ip_network" "${ip_network}"
+	json_add_string "use_ipv6" "${use_ipv6}"
+	json_add_string "force_ipversion" "${force_ipversion}"
+	json_add_string "use_https" "${use_https}"
+	json_add_string "force_dnstcp" "${force_dnstcp}"
+	json_add_string "config_file" "${1}"
+	json_add_string "config_dir" "${CONFIGPATH}"
+
+	json_str=$(json_dump)
+	json_cleanup
+
+	generate_inadyn_config "${json_str}"
+
+	if [ "$?" -ne 0 ]; then
+		return
+	fi
+
+	CONFIG_FILES="${CONFIG_FILES} ${1}"
+
+	if [ -z "${interface}" ]; then
+		if [ "${use_ipv6}" -eq 0 ]; then
+			interface="wan"
+		else
+			interface="wan6"
+		fi
+	fi
+
+	for intf in $CLIENT_INTFS; do
+		if [ "${intf}" == "${interface}" ]; then
+			return
+		fi
+	done
+
+	CLIENT_INTFS="${CLIENT_INTFS} ${interface}"
+}
+
+start_ddnsmngr_service() {
+	rm -rf $CONFIGPATH
+	mkdir $CONFIGPATH
+	mkdir -p $PIDPATH
+
+	config_load ddnsmngr
+	config_foreach add_object host
+
+	i=1
+	for conf in $CONFIG_FILES; do
+		instance="ddnsmngr_${i}"
+		i=$(( i + 1 ))
+
+		procd_open_instance $instance
+		procd_set_param command "$PROG"
+		procd_append_param command -f "${CONFIGPATH}/${conf}"
+		procd_append_param command -l debug
+		procd_append_param command -P "${PIDPATH}/${conf}"
+		procd_append_param command -n -C
+		procd_close_instance
+	done
+}
+
+stop_ddnsmngr_service() {
+	rm -rf $CONFIGPATH
+	return 0
+}
+
+add_ddnsmngr_triggers() {
+	procd_open_trigger
+	for intf in $CLIENT_INTFS; do
+		# No need to handle other ifevents like ifupdate etc
+		procd_add_interface_trigger "interface.*.up" $intf /etc/init.d/ddnsmngr restart
+	done
+	procd_close_trigger
+}