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-- Copyright 2014 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
-- Licensed to the public under the Apache License 2.0.
local CTRL = require "luci.controller.ddns" -- this application's controller
local DISP = require "luci.dispatcher"
local SYS = require "luci.sys"
local DDNS = require "luci.tools.ddns" -- ddns multiused functions
-- check supported options -- ##################################################
-- saved to local vars here because doing multiple os calls slow down the system
has_ssl = DDNS.check_ssl() -- HTTPS support
has_proxy = DDNS.check_proxy() -- Proxy support
has_dnstcp = DDNS.check_bind_host() -- DNS TCP support
-- correct ddns-scripts version
need_update = DDNS.ipkg_ver_compare(DDNS.ipkg_ver_installed("ddns-scripts"), "<<", CTRL.DDNS_MIN)
-- html constants
font_red = [[<font color="red">]]
font_off = [[</font>]]
bold_on = [[<strong>]]
bold_off = [[</strong>]]
-- cbi-map definition -- #######################################################
m = Map("ddns")
-- first need to close <a> from cbi map template our <a> closed by template
m.title = [[</a><a href="]] .. DISP.build_url("admin", "services", "ddns") .. [[">]] ..
translate("Dynamic DNS")
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 = DISP.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_scripts needs to be updated for full functionality
if need_update then
local dv = s:option(DummyValue, "_update_needed")
dv.titleref = DISP.build_url("admin", "system", "packages")
dv.rawhtml = true
dv.title = font_red .. bold_on ..
translate("Software update required") .. bold_off .. font_off
dv.value = translate("The currently installed 'ddns-scripts' package did not support all available settings.") ..
"<br />" ..
translate("Please update to the current version!")
end
-- DDNS Service disabled
if not SYS.init.enabled("ddns") then
local dv = s:option(DummyValue, "_not_enabled")
dv.titleref = DISP.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 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 = DISP.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 = DISP.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 = DISP.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 = DISP.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
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