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

   1 -- Copyright 2014-2016 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
   2 -- Licensed to the public under the Apache License 2.0.
   3
   4 local DISP = require "luci.dispatcher"
   5 local SYS  = require "luci.sys"
   6 local CTRL = require "luci.controller.ddns"     -- this application's controller
   7 local DDNS = require "luci.tools.ddns"          -- ddns multiused functions
   8
   9 -- html constants
  10 font_red = [[<font color="red">]]
  11 font_off = [[</font>]]
  12 bold_on  = [[<strong>]]
  13 bold_off = [[</strong>]]
  14
  15 -- cbi-map definition -- #######################################################
  16 m = Map("ddns")
  17 m.title         = CTRL.app_title_back()
  18 m.description   = CTRL.app_description()
  19 m.redirect      = DISP.build_url("admin", "services", "ddns")
  20
  21 -- SimpleSection definition -- #################################################
  22 -- show Hints to optimize installation and script usage
  23 s = m:section( SimpleSection,
  24         translate("Hints"),
  25         translate("Below a list of configuration tips for your system to run Dynamic DNS updates without limitations") )
  26
  27 -- ddns-scripts needs to be updated for full functionality
  28 if not CTRL.service_ok() then
  29         local so = s:option(DummyValue, "_update_needed")
  30         so.titleref = DISP.build_url("admin", "system", "packages")
  31         so.rawhtml  = true
  32         so.title = font_red .. bold_on ..
  33                 translate("Software update required") .. bold_off .. font_off
  34         so.value = translate("The currently installed 'ddns-scripts' package did not support all available settings.") ..
  35                         "<br />" ..
  36                         translate("Please update to the current version!")
  37 end
  38
  39 -- DDNS Service disabled
  40 if not SYS.init.enabled("ddns") then
  41         local se = s:option(DummyValue, "_not_enabled")
  42         se.titleref = DISP.build_url("admin", "system", "startup")
  43         se.rawhtml  = true
  44         se.title = bold_on ..
  45                 translate("DDNS Autostart disabled") .. bold_off
  46         se.value = translate("Currently DDNS updates are not started at boot or on interface events." .. "<br />" ..
  47                         "This is the default if you run DDNS scripts by yourself (i.e. via cron with force_interval set to '0')" )
  48 end
  49
  50 -- No IPv6 support
  51 if not DDNS.env_info("has_ipv6") then
  52         local v6 = s:option(DummyValue, "_no_ipv6")
  53         v6.titleref = 'http://www.openwrt.org" target="_blank'
  54         v6.rawhtml  = true
  55         v6.title = bold_on ..
  56                 translate("IPv6 not supported") .. bold_off
  57         v6.value = translate("IPv6 is currently not (fully) supported by this system" .. "<br />" ..
  58                         "Please follow the instructions on OpenWrt's homepage to enable IPv6 support" .. "<br />" ..
  59                         "or update your system to the latest OpenWrt Release")
  60 end
  61
  62 -- No HTTPS support
  63 if not DDNS.env_info("has_ssl") then
  64         local sl = s:option(DummyValue, "_no_https")
  65         sl.titleref = DISP.build_url("admin", "system", "packages")
  66         sl.rawhtml  = true
  67         sl.title = bold_on ..
  68                 translate("HTTPS not supported") .. bold_off
  69         sl.value = translate("Neither GNU Wget with SSL nor cURL installed to support secure updates via HTTPS protocol.") ..
  70                         "<br />- " ..
  71                         translate("You should install 'wget' or 'curl' or 'uclient-fetch' with 'libustream-*ssl' package.") ..
  72                         "<br />- " ..
  73                         translate("In some versions cURL/libcurl in OpenWrt is compiled without proxy support.")
  74 end
  75
  76 -- No bind_network
  77 if not DDNS.env_info("has_bindnet") then
  78         local bn = s:option(DummyValue, "_no_bind_network")
  79         bn.titleref = DISP.build_url("admin", "system", "packages")
  80         bn.rawhtml  = true
  81         bn.title = bold_on ..
  82                 translate("Binding to a specific network not supported") .. bold_off
  83         bn.value = translate("Neither GNU Wget with SSL nor cURL installed to select a network to use for communication.") ..
  84                         "<br />- " ..
  85                         translate("You should install 'wget' or 'curl' package.") ..
  86                         "<br />- " ..
  87                         translate("GNU Wget will use the IP of given network, cURL will use the physical interface.") ..
  88                         "<br />- " ..
  89                         translate("In some versions cURL/libcurl in OpenWrt is compiled without proxy support.")
  90 end
  91
  92 -- currently only cURL possibly without proxy support
  93 if not DDNS.env_info("has_proxy") then
  94         local px = s:option(DummyValue, "_no_proxy")
  95         px.titleref = DISP.build_url("admin", "system", "packages")
  96         px.rawhtml  = true
  97         px.title = bold_on ..
  98                 translate("cURL without Proxy Support") .. bold_off
  99         px.value = translate("cURL is installed, but libcurl was compiled without proxy support.") ..
 100                         "<br />- " ..
 101                         translate("You should install 'wget' or 'uclient-fetch' package or replace libcurl.") ..
 102                         "<br />- " ..
 103                         translate("In some versions cURL/libcurl in OpenWrt is compiled without proxy support.")
 104 end
 105
 106 -- "Force IP Version not supported"
 107 if not DDNS.env_info("has_forceip") then
 108         local fi = s:option(DummyValue, "_no_force_ip")
 109         fi.titleref = DISP.build_url("admin", "system", "packages")
 110         fi.rawhtml  = true
 111         fi.title = bold_on ..
 112                 translate("Force IP Version not supported") .. bold_off
 113         local value = translate("BusyBox's nslookup and Wget do not support to specify " ..
 114                                 "the IP version to use for communication with DDNS Provider!")
 115         if not (DDNS.env_info("has_wgetssl") or DDNS.env_info("has_curl") or DDNS.env_info("has_fetch")) then
 116                 value = value .. "<br />- " ..
 117                         translate("You should install 'wget' or 'curl' or 'uclient-fetch' package.")
 118         end
 119         if not DDNS.env_info("has_bindhost") then
 120                 value = value .. "<br />- " ..
 121                         translate("You should install 'bind-host' or 'knot-host' or 'drill' package for DNS requests.")
 122         end
 123         fi.value = value
 124 end
 125
 126 -- "DNS requests via TCP not supported"
 127 if not DDNS.env_info("has_bindhost") then
 128         local dt = s:option(DummyValue, "_no_dnstcp")
 129         dt.titleref = DISP.build_url("admin", "system", "packages")
 130         dt.rawhtml  = true
 131         dt.title = bold_on ..
 132                 translate("DNS requests via TCP not supported") .. bold_off
 133         dt.value = translate("BusyBox's nslookup and hostip do not support to specify to use TCP " ..
 134                                 "instead of default UDP when requesting DNS server!") ..
 135                         "<br />- " ..
 136                         translate("You should install 'bind-host' or 'knot-host' or 'drill' package for DNS requests.")
 137 end
 138
 139 -- nslookup compiled with musl produce problems when using
 140 if not DDNS.env_info("has_dnsserver") then
 141         local ds = s:option(DummyValue, "_no_dnsserver")
 142         ds.titleref = DISP.build_url("admin", "system", "packages")
 143         ds.rawhtml  = true
 144         ds.title = bold_on ..
 145                 translate("Using specific DNS Server not supported") .. bold_off
 146         ds.value = translate("BusyBox's nslookup in the current compiled version " ..
 147                                 "does not handle given DNS Servers correctly!") ..
 148                         "<br />- " ..
 149                         translate("You should install 'bind-host' or 'knot-host' or 'drill' or 'hostip' package, " ..
 150                                 "if you need to specify a DNS server to detect your registered IP.")
 151 end
 152
 153 -- certificates installed
 154 if DDNS.env_info("has_ssl") and not DDNS.env_info("has_cacerts") then
 155         local ca = s:option(DummyValue, "_no_certs")
 156         ca.titleref = DISP.build_url("admin", "system", "packages")
 157         ca.rawhtml  = true
 158         ca.title = bold_on ..
 159                 translate("No certificates found") .. bold_off
 160         ca.value = translate("If using secure communication you should verify server certificates!") ..
 161                         "<br />- " ..
 162                         translate("Install 'ca-certificates' package or needed certificates " ..
 163                                 "by hand into /etc/ssl/certs default directory")
 164 end
 165
 166 return m