2b

ddns-scripts/files/etc/config/ddns

@@ -0,0 +1,32 @@
+#
+# Please read https://openwrt.org/docs/guide-user/base-system/ddns
+#
+config ddns "global"
+	option ddns_dateformat "%F %R"
+#	option ddns_rundir "/var/run/ddns"
+#	option ddns_logdir "/var/log/ddns"
+	option ddns_loglines "250"
+	option upd_privateip "0"
+
+
+config service "myddns_ipv4"
+	option service_name	"dyndns.org"
+	option lookup_host	"yourhost.example.com"
+	option domain		"yourhost.example.com"
+	option username		"your_username"
+	option password		"your_password"
+	option interface	"wan"
+	option ip_source	"network"
+	option ip_network	"wan"
+
+config service "myddns_ipv6"
+	option update_url	"http://[USERNAME]:[PASSWORD]@your.provider.net/nic/update?hostname=[DOMAIN]&myip=[IP]"
+	option lookup_host	"yourhost.example.com"
+	option domain		"yourhost.example.com"
+	option username		"your_username"
+	option password		"your_password"
+	option use_ipv6		"1"
+	option interface	"wan6"
+	option ip_source	"network"
+	option ip_network	"wan6"
+

ddns-scripts/files/etc/hotplug.d/iface/ddns

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+enable=`uci -q get ddns.glddns.enabled`
+if [ "$enable" = 1 -a "$INTERFACE" != "lan" ];then
+	case "$ACTION" in
+	ifdown |\
+	ifup)
+		/etc/init.d/ddns restart
+	;;
+	esac
+fi
+
+if [ "$enable" = 0 -a "$INTERFACE" != "lan" ];then
+        case "$ACTION" in
+        ifdown)
+        /etc/init.d/ddns stop
+        ;;
+        esac
+fi

ddns-scripts/files/etc/init.d/ddns

@@ -0,0 +1,45 @@
+#!/bin/sh /etc/rc.common
+START=95
+STOP=10
+
+PROG=/usr/lib/ddns/dynamic_dns_updater.sh
+bypassvpn=`uci -q get vpnpolicy.global.service_policy`
+
+if [ $bypassvpn = 1 ];then
+	PROG="sudo -g nonevpn /usr/lib/ddns/dynamic_dns_updater.sh"
+else
+	PROG=/usr/lib/ddns/dynamic_dns_updater.sh
+fi
+
+
+
+boot() {
+	return 0
+}
+
+reload() {
+	$PROG -- reload
+	return 0
+}
+
+restart() {
+	$PROG -- stop
+	sleep 1 # give time to shutdown
+	enable=`uci -q get ddns.glddns.enabled`
+	if [ "$enable" = 1 ];then
+		$PROG -- start
+	fi
+}
+
+start() {
+	enable=`uci -q get ddns.glddns.enabled`
+	if [ "$enable" = 1 ];then
+		$PROG -- start
+	fi
+}
+
+stop() {
+	$PROG -- stop
+	return 0
+}
+

ddns-scripts/files/usr/bin/ddns.sh

@@ -0,0 +1,172 @@
+#!/bin/sh
+#
+# Copyright (C) 2020 TDT AG <[email protected]>
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See https://www.gnu.org/licenses/gpl-2.0.txt for more information.
+#
+
+. /lib/functions.sh
+
+DDNS_PACKAGE_DIR="/usr/share/ddns"
+URL="https://raw.githubusercontent.com/openwrt/packages/master/net/ddns-scripts/files"
+
+usage() {
+	local code="$1"
+	local msg="$2"
+
+	echo "$msg"
+	echo ""
+	echo "Usage: $(basename "$0") <command> <action> <service>"
+	echo ""
+	echo "Supported ddns <command>:"
+	echo "  service:  Command for custom ddns service providers"
+	echo ""
+	echo "Supported ddns 'service' command <action>:"
+	echo "  update:             Update local custom ddns service list"
+	echo "  list-available:     List all available custom service providers"
+	echo "  list-installed:     List all installed custom service providers"
+	echo "  install <service>:  Install custom service provider"
+	echo "  remove <service>:   Remove custom service provider"
+	echo "  purge:              Remove local custom ddns services"
+
+	exit "$code"
+}
+
+action_update() {
+	local cacert
+
+	config_load ddns
+	config_get url global 'url' "${URL}${DDNS_PACKAGE_DIR}"
+	config_get cacert global 'cacert' "IGNORE"
+	url="${url}/list"
+
+	mkdir -p "${DDNS_PACKAGE_DIR}"
+
+	if [ "$cacert" = "IGNORE" ]; then
+		uclient-fetch \
+			--no-check-certificate \
+			"$url" \
+			-O "${DDNS_PACKAGE_DIR}/list"
+	elif [ -f "$cacert" ]; then
+		uclient-fetch \
+			--ca-certificate="${cacert}" \
+			"$url" \
+			-O "${DDNS_PACKAGE_DIR}/list"
+	elif [ -n "$cacert" ]; then
+		echo "Certification file not found ($cacert)"
+		exit 5
+	fi
+}
+
+action_list_available() {
+	if [ -f "${DDNS_PACKAGE_DIR}/list" ]; then
+		cat "${DDNS_PACKAGE_DIR}/list"
+	else
+		echo "No custom service list file found. Please download first"
+		exit 3
+	fi
+}
+
+action_list_installed() {
+	if [ -d "${DDNS_PACKAGE_DIR}/custom" ]; then
+		ls "${DDNS_PACKAGE_DIR}/custom"
+	else
+		echo "No custom services installed"
+		exit 4
+	fi
+}
+
+action_install() {
+	local service="$1"
+
+	local url cacert
+
+	config_load ddns
+	config_get url global 'url' "${URL}${DDNS_PACKAGE_DIR}/default"
+	config_get cacert global 'cacert' "IGNORE"
+	url="${url}/${service}.json"
+
+	if [ -z "$service" ]; then
+		usage "4" "No custom service specified"
+	fi
+
+	mkdir -p "${DDNS_PACKAGE_DIR}/custom"
+
+	if [ "$cacert" = "IGNORE" ]; then
+		uclient-fetch \
+			--no-check-certificate \
+			"${url}" \
+			-O "${DDNS_PACKAGE_DIR}/custom/${service}.json"
+	elif [ -f "$cacert" ]; then
+		uclient-fetch \
+			--ca-certifcate="${cacert}" \
+			"${url}" \
+			-O "${DDNS_PACKAGE_DIR}/custom/${service}.json"
+	elif [ -n "$cacert" ]; then
+		echo "Certification file not found ($cacert)"
+		exit 5
+	fi
+}
+
+action_remove() {
+	local service="$1"
+	if [ -z "$service" ]; then
+		usage "4" "No custom service specified"
+	fi
+
+	rm "${DDNS_PACKAGE_DIR}/custom/${service}.json"
+}
+
+action_purge() {
+	rm -rf "${DDNS_PACKAGE_DIR}/custom"
+	rm -rf "${DDNS_PACKAGE_DIR}/list"
+}
+
+sub_service() {
+	local action="$1"
+	local service="$2"
+
+	case "$action" in
+		update)
+			action_update
+			;;
+		list-available)
+			action_list_available
+			;;
+		list-installed)
+			action_list_installed
+			;;
+		purge)
+			action_purge
+			;;
+		install)
+			action_install "$service"
+			;;
+		remove)
+			action_remove "$service"
+			;;
+		*)
+			usage "2" "Action not supported"
+			;;
+	esac
+}
+
+main() {
+	local cmd="$1"
+	local action="$2"
+	local service="$3"
+
+	[ "$#" -eq 0 ] && usage "1"
+
+	case "${cmd}" in
+		service)
+			sub_service "${action}" "${service}"
+			;;
+		*)
+			usage "1" "Command not supported"
+			;;
+	esac
+}
+
+main "$@"