1 -- Copyright 2014 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
2 -- Licensed to the public under the Apache License 2.0.
4 local CTRL = require "luci.controller.ddns" -- this application's controller
5 local DISP = require "luci.dispatcher"
6 local SYS = require "luci.sys"
7 local DDNS = require "luci.tools.ddns" -- ddns multiused functions
9 -- check supported options -- ##################################################
10 -- saved to local vars here because doing multiple os calls slow down the system
11 has_ssl = DDNS.check_ssl() -- HTTPS support
12 has_proxy = DDNS.check_proxy() -- Proxy support
13 has_dnstcp = DDNS.check_bind_host() -- DNS TCP support
14 need_update = CTRL.update_needed() -- correct ddns-scripts version
17 font_red = [[<font color="red">]]
18 font_off = [[</font>]]
19 bold_on = [[<strong>]]
20 bold_off = [[</strong>]]
22 -- cbi-map definition -- #######################################################
25 -- first need to close <a> from cbi map template our <a> closed by template
26 m.title = [[</a><a href="]] .. DISP.build_url("admin", "services", "ddns") .. [[">]] ..
27 translate("Dynamic DNS")
29 m.description = translate("Dynamic DNS allows that your router can be reached with " ..
30 "a fixed hostname while having a dynamically changing " ..
33 m.redirect = DISP.build_url("admin", "services", "ddns")
35 -- SimpleSection definition -- #################################################
36 -- show Hints to optimize installation and script usage
37 s = m:section( SimpleSection,
39 translate("Below a list of configuration tips for your system to run Dynamic DNS updates without limitations") )
41 -- ddns_scripts needs to be updated for full functionality
43 local dv = s:option(DummyValue, "_update_needed")
44 dv.titleref = DISP.build_url("admin", "system", "packages")
46 dv.title = font_red .. bold_on ..
47 translate("Software update required") .. bold_off .. font_off
48 dv.value = translate("The currently installed 'ddns-scripts' package did not support all available settings.") ..
50 translate("Please update to the current version!")
53 -- DDNS Service disabled
54 if not SYS.init.enabled("ddns") then
55 local dv = s:option(DummyValue, "_not_enabled")
56 dv.titleref = DISP.build_url("admin", "system", "startup")
59 translate("DDNS Autostart disabled") .. bold_off
60 dv.value = translate("Currently DDNS updates are not started at boot or on interface events." .. "<br />" ..
61 "This is the default if you run DDNS scripts by yourself (i.e. via cron with force_interval set to '0')" )
65 if not DDNS.check_ipv6() then
66 local dv = s:option(DummyValue, "_no_ipv6")
67 dv.titleref = 'http://www.openwrt.org" target="_blank'
70 translate("IPv6 not supported") .. bold_off
71 dv.value = translate("IPv6 is currently not (fully) supported by this system" .. "<br />" ..
72 "Please follow the instructions on OpenWrt's homepage to enable IPv6 support" .. "<br />" ..
73 "or update your system to the latest OpenWrt Release")
78 local dv = s:option(DummyValue, "_no_https")
79 dv.titleref = DISP.build_url("admin", "system", "packages")
82 translate("HTTPS not supported") .. bold_off
83 dv.value = translate("Neither GNU Wget with SSL nor cURL installed to support updates via HTTPS protocol.") ..
85 translate("You should install GNU Wget with SSL (prefered) or cURL package.") ..
87 translate("In some versions cURL/libcurl in OpenWrt is compiled without proxy support.")
90 -- cURL without proxy support
91 if has_ssl and not has_proxy then
92 local dv = s:option(DummyValue, "_no_proxy")
93 dv.titleref = DISP.build_url("admin", "system", "packages")
96 translate("cURL without Proxy Support") .. bold_off
97 dv.value = translate("cURL is installed, but libcurl was compiled without proxy support.") ..
99 translate("You should install GNU Wget with SSL or replace libcurl.") ..
101 translate("In some versions cURL/libcurl in OpenWrt is compiled without proxy support.")
104 -- "Force IP Version not supported"
105 if not (has_ssl and has_dnstcp) then
106 local dv = s:option(DummyValue, "_no_force_ip")
107 dv.titleref = DISP.build_url("admin", "system", "packages")
109 dv.title = bold_on ..
110 translate("Force IP Version not supported") .. bold_off
111 local value = translate("BusyBox's nslookup and Wget do not support to specify " ..
112 "the IP version to use for communication with DDNS Provider.")
114 value = value .. "<br />- " ..
115 translate("You should install GNU Wget with SSL (prefered) or cURL package.")
117 if not has_dnstcp then
118 value = value .. "<br />- " ..
119 translate("You should install BIND host package for DNS requests.")
124 -- "DNS requests via TCP not supported"
125 if not has_dnstcp then
126 local dv = s:option(DummyValue, "_no_dnstcp")
127 dv.titleref = DISP.build_url("admin", "system", "packages")
129 dv.title = bold_on ..
130 translate("DNS requests via TCP not supported") .. bold_off
131 dv.value = translate("BusyBox's nslookup does not support to specify to use TCP instead of default UDP when requesting DNS server") ..
133 translate("You should install BIND host package for DNS requests.")