applications/luci-app-ddns/luasrc/model/cbi/ddns/hints.lua

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2014 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
   5
   6 Licensed under the Apache License, Version 2.0 (the "License");
   7 you may not use this file except in compliance with the License.
   8 You may obtain a copy of the License at
   9
  10         http://www.apache.org/licenses/LICENSE-2.0
  11
  12 $Id$
  13 ]]--
  14
  15 local CTRL = require "luci.controller.ddns"     -- this application's controller
  16 local DISP = require "luci.dispatcher"
  17 local SYS  = require "luci.sys"
  18 local DDNS = require "luci.tools.ddns"          -- ddns multiused functions
  19
  20 -- check supported options -- ##################################################
  21 -- saved to local vars here because doing multiple os calls slow down the system
  22 has_ssl     = DDNS.check_ssl()          -- HTTPS support
  23 has_proxy   = DDNS.check_proxy()        -- Proxy support
  24 has_dnstcp  = DDNS.check_bind_host()    -- DNS TCP support
  25 need_update = CTRL.update_needed()      -- correct ddns-scripts version
  26
  27 -- html constants
  28 font_red = [[<font color="red">]]
  29 font_off = [[</font>]]
  30 bold_on  = [[<strong>]]
  31 bold_off = [[</strong>]]
  32
  33 -- cbi-map definition -- #######################################################
  34 m = Map("ddns")
  35
  36 -- first need to close <a> from cbi map template our <a> closed by template
  37 m.title = [[</a><a href="]] .. DISP.build_url("admin", "services", "ddns") .. [[">]] ..
  38                 translate("Dynamic DNS")
  39
  40 m.description = translate("Dynamic DNS allows that your router can be reached with " ..
  41                         "a fixed hostname while having a dynamically changing " ..
  42                         "IP address.")
  43
  44 m.redirect = DISP.build_url("admin", "services", "ddns")
  45
  46 -- SimpleSection definition -- #################################################
  47 -- show Hints to optimize installation and script usage
  48 s = m:section( SimpleSection,
  49         translate("Hints"),
  50         translate("Below a list of configuration tips for your system to run Dynamic DNS updates without limitations") )
  51
  52 -- ddns_scripts needs to be updated for full functionality
  53 if need_update then
  54         local dv = s:option(DummyValue, "_update_needed")
  55         dv.titleref = DISP.build_url("admin", "system", "packages")
  56         dv.rawhtml  = true
  57         dv.title = font_red .. bold_on ..
  58                 translate("Software update required") .. bold_off .. font_off
  59         dv.value = translate("The currently installed 'ddns-scripts' package did not support all available settings.") ..
  60                         "<br />" ..
  61                         translate("Please update to the current version!")
  62 end
  63
  64 -- DDNS Service disabled
  65 if not SYS.init.enabled("ddns") then
  66         local dv = s:option(DummyValue, "_not_enabled")
  67         dv.titleref = DISP.build_url("admin", "system", "startup")
  68         dv.rawhtml  = true
  69         dv.title = bold_on ..
  70                 translate("DDNS Autostart disabled") .. bold_off
  71         dv.value = translate("Currently DDNS updates are not started at boot or on interface events." .. "<br />" ..
  72                         "This is the default if you run DDNS scripts by yourself (i.e. via cron with force_interval set to '0')" )
  73 end
  74
  75 -- No IPv6 support
  76 if not DDNS.check_ipv6() then
  77         local dv = s:option(DummyValue, "_no_ipv6")
  78         dv.titleref = 'http://www.openwrt.org" target="_blank'
  79         dv.rawhtml  = true
  80         dv.title = bold_on ..
  81                 translate("IPv6 not supported") .. bold_off
  82         dv.value = translate("IPv6 is currently not (fully) supported by this system" .. "<br />" ..
  83                         "Please follow the instructions on OpenWrt's homepage to enable IPv6 support" .. "<br />" ..
  84                         "or update your system to the latest OpenWrt Release")
  85 end
  86
  87 -- No HTTPS support
  88 if not has_ssl then
  89         local dv = s:option(DummyValue, "_no_https")
  90         dv.titleref = DISP.build_url("admin", "system", "packages")
  91         dv.rawhtml  = true
  92         dv.title = bold_on ..
  93                 translate("HTTPS not supported") .. bold_off
  94         dv.value = translate("Neither GNU Wget with SSL nor cURL installed to support updates via HTTPS protocol.") ..
  95                         "<br />- " ..
  96                         translate("You should install GNU Wget with SSL (prefered) or cURL package.") ..
  97                         "<br />- " ..
  98                         translate("In some versions cURL/libcurl in OpenWrt is compiled without proxy support.")
  99 end
 100
 101 -- cURL without proxy support
 102 if has_ssl and not has_proxy then
 103         local dv = s:option(DummyValue, "_no_proxy")
 104         dv.titleref = DISP.build_url("admin", "system", "packages")
 105         dv.rawhtml  = true
 106         dv.title = bold_on ..
 107                 translate("cURL without Proxy Support") .. bold_off
 108         dv.value = translate("cURL is installed, but libcurl was compiled without proxy support.") ..
 109                         "<br />- " ..
 110                         translate("You should install GNU Wget with SSL or replace libcurl.") ..
 111                         "<br />- " ..
 112                         translate("In some versions cURL/libcurl in OpenWrt is compiled without proxy support.")
 113 end
 114
 115 -- "Force IP Version not supported"
 116 if not (has_ssl and has_dnstcp) then
 117         local dv = s:option(DummyValue, "_no_force_ip")
 118         dv.titleref = DISP.build_url("admin", "system", "packages")
 119         dv.rawhtml  = true
 120         dv.title = bold_on ..
 121                 translate("Force IP Version not supported") .. bold_off
 122         local value = translate("BusyBox's nslookup and Wget do not support to specify " ..
 123                         "the IP version to use for communication with DDNS Provider.")
 124         if not has_ssl then
 125                 value = value .. "<br />- " ..
 126                         translate("You should install GNU Wget with SSL (prefered) or cURL package.")
 127         end
 128         if not has_dnstcp then
 129                 value = value .. "<br />- " ..
 130                         translate("You should install BIND host package for DNS requests.")
 131         end
 132         dv.value = value
 133 end
 134
 135 -- "DNS requests via TCP not supported"
 136 if not has_dnstcp then
 137         local dv = s:option(DummyValue, "_no_dnstcp")
 138         dv.titleref = DISP.build_url("admin", "system", "packages")
 139         dv.rawhtml  = true
 140         dv.title = bold_on ..
 141                 translate("DNS requests via TCP not supported") .. bold_off
 142         dv.value = translate("BusyBox's nslookup does not support to specify to use TCP instead of default UDP when requesting DNS server") ..
 143                         "<br />- " ..
 144                         translate("You should install BIND host package for DNS requests.")
 145 end
 146
 147 return m