luci-app-ddns: update/rebuild to support ddns-scripts V 2.x

extends/replaces exising luci-app-ddns to support ddns-scripts starting
Version 2.0.1-8
Still supports ddns-scripts Version 1.0.0-23 with the old interface
including fix for OpenWrt Ticket #18018.

Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

1 files changed, 129 insertions, 0 deletions

diff --git a/applications/luci-ddns/luasrc/model/cbi/ddns/hints.lua b/applications/luci-ddns/luasrc/model/cbi/ddns/hints.lua
new file mode 100644
index 000000000..d0d323c03
--- /dev/null
+++ b/applications/luci-ddns/luasrc/model/cbi/ddns/hints.lua
@@ -0,0 +1,129 @@
+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2014 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+]]--
+
+require "luci.sys"
+require "luci.dispatcher"
+require "luci.tools.ddns"
+
+-- check supported options
+-- saved to local vars here because doing multiple os calls slow down the system
+has_ssl    = luci.tools.ddns.check_ssl()	-- HTTPS support
+has_proxy  = luci.tools.ddns.check_proxy()	-- Proxy support
+has_dnstcp = luci.tools.ddns.check_bind_host()	-- DNS TCP support
+
+-- html constants
+bold_on  = [[<strong>]]
+bold_off = [[</strong>]]
+
+-- cbi-map definition
+m = Map("ddns")
+
+m.title = [[<a href="]] .. luci.dispatcher.build_url("admin", "services", "ddns") .. [[">]] .. 
+		translate("Dynamic DNS") .. [[</a>]]
+
+m.description = translate("Dynamic DNS allows that your router can be reached with " ..
+			"a fixed hostname while having a dynamically changing " ..
+			"IP address.")
+
+m.redirect = luci.dispatcher.build_url("admin", "services", "ddns")
+
+-- SimpleSection definition
+-- show Hints to optimize installation and script usage
+s = m:section( SimpleSection, 
+	translate("Hints"), 
+	translate("Below a list of configuration tips for your system to run Dynamic DNS updates without limitations") )
+-- DDNS Service disabled
+if not luci.sys.init.enabled("ddns") then
+	local dv = s:option(DummyValue, "_not_enabled")
+	dv.titleref = luci.dispatcher.build_url("admin", "system", "startup")
+	dv.rawhtml  = true
+	dv.title = bold_on .. 
+		translate("DDNS Autostart disabled") .. bold_off
+	dv.value = translate("Currently DDNS updates are not started at boot or on interface events." .. "<br />" .. 
+			"This is the default if you run DDNS scripts by yourself (i.e. via cron with force_interval set to '0')" )
+end
+
+-- No IPv6 support
+if not luci.tools.ddns.check_ipv6() then
+	local dv = s:option(DummyValue, "_no_ipv6")
+	dv.titleref = 'http://www.openwrt.org" target="_blank'
+	dv.rawhtml  = true
+	dv.title = bold_on .. 
+		translate("IPv6 not supported") .. bold_off
+	dv.value = translate("IPv6 is currently not (fully) supported by this system" .. "<br />" .. 
+			"Please follow the instructions on OpenWrt's homepage to enable IPv6 support" .. "<br />" ..
+			"or update your system to the latest OpenWrt Release")
+end
+
+-- No HTTPS support
+if not has_ssl then
+	local dv = s:option(DummyValue, "_no_https")
+	dv.titleref = luci.dispatcher.build_url("admin", "system", "packages")
+	dv.rawhtml  = true
+	dv.title = bold_on .. 
+		translate("HTTPS not supported") .. bold_off
+	dv.value = translate("Neither GNU Wget with SSL nor cURL installed to support updates via HTTPS protocol.") .. 
+			"<br />- " .. 
+			translate("You should install GNU Wget with SSL (prefered) or cURL package.") .. 
+			"<br />- " ..
+			translate("In some versions cURL/libcurl in OpenWrt is compiled without proxy support.")
+end
+
+-- cURL without proxy support
+if has_ssl and not has_proxy then
+	local dv = s:option(DummyValue, "_no_proxy")
+	dv.titleref = luci.dispatcher.build_url("admin", "system", "packages")
+	dv.rawhtml  = true
+	dv.title = bold_on .. 
+		translate("cURL without Proxy Support") .. bold_off
+	dv.value = translate("cURL is installed, but libcurl was compiled without proxy support.") .. 
+			"<br />- " .. 
+			translate("You should install GNU Wget with SSL or replace libcurl.") .. 
+			"<br />- " ..
+			translate("In some versions cURL/libcurl in OpenWrt is compiled without proxy support.")
+end
+
+-- "Force IP Version not supported"
+if not (has_ssl and has_dnstcp) then
+	local dv = s:option(DummyValue, "_no_force_ip")
+	dv.titleref = luci.dispatcher.build_url("admin", "system", "packages")
+	dv.rawhtml  = true
+	dv.title = bold_on .. 
+		translate("Force IP Version not supported") .. bold_off
+	local value = translate("BusyBox's nslookup and Wget do not support to specify " ..
+			"the IP version to use for communication with DDNS Provider.") 
+	if not has_ssl then
+		value = value .. "<br />- " ..
+			translate("You should install GNU Wget with SSL (prefered) or cURL package.")
+	end
+	if not has_dnstcp then
+		value = value .. "<br />- " ..
+			translate("You should install BIND host package for DNS requests.")
+	end
+	dv.value = value
+end
+
+-- "DNS requests via TCP not supported"
+if not has_dnstcp then
+	local dv = s:option(DummyValue, "_no_dnstcp")
+	dv.titleref = luci.dispatcher.build_url("admin", "system", "packages")
+	dv.rawhtml  = true
+	dv.title = bold_on .. 
+		translate("DNS requests via TCP not supported") .. bold_off
+	dv.value = translate("BusyBox's nslookup does not support to specify to use TCP instead of default UDP when requesting DNS server") .. 
+			"<br />- " ..
+			translate("You should install BIND host package for DNS requests.")
+end
+
+return m