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-- Copyright 2014-2016 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
-- Licensed to the public under the Apache License 2.0.
local NXFS = require "nixio.fs"
local DISP = require "luci.dispatcher"
local HTTP = require "luci.http"
local SYS = require "luci.sys"
local CTRL = require "luci.controller.ddns" -- this application's controller
local DDNS = require "luci.tools.ddns" -- ddns multiused functions
local show_hints = not (DDNS.has_ipv6 -- IPv6 support
and DDNS.has_ssl -- HTTPS support
and DDNS.has_proxy -- Proxy support
and DDNS.has_bindhost -- DNS TCP support
and DDNS.has_forceip -- Force IP version
and DDNS.has_dnsserver -- DNS server support
and DDNS.has_bindnet -- Bind to network/interface
and DDNS.has_cacerts -- certificates installed at /etc/ssl/certs
)
local not_enabled = not SYS.init.enabled("ddns")
local need_update = not CTRL.service_ok()
-- html constants
font_red = [[<font color="red">]]
font_off = [[</font>]]
bold_on = [[<strong>]]
bold_off = [[</strong>]]
-- cbi-map definition -- #######################################################
m = Map("ddns")
m.title = CTRL.app_title_main()
m.description = CTRL.app_description()
m.on_after_commit = function(self)
if self.changed then -- changes ?
local command = CTRL.luci_helper
if SYS.init.enabled("ddns") then -- ddns service enabled, restart all
command = command .. " -- restart"
os.execute(command)
else -- ddns service disabled, send SIGHUP to running
command = command .. " -- reload"
os.execute(command)
end
end
end
-- SimpleSection definition -- ##################################################
-- with all the JavaScripts we need for "a good Show"
a = m:section( SimpleSection )
a.template = "ddns/overview_status"
-- SimpleSection definition -- #################################################
-- show Hints to optimize installation and script usage
if show_hints or need_update or not_enabled then
s = m:section( SimpleSection, translate("Hints") )
-- 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_enabled 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 />" ..
"You can start/stop each configuration here. It will run until next reboot.")
end
-- Show more hints on a separate page
if show_hints then
local dv = s:option(DummyValue, "_separate")
dv.titleref = DISP.build_url("admin", "services", "ddns", "hints")
dv.rawhtml = true
dv.title = bold_on ..
translate("Show more") .. bold_off
dv.value = translate("Follow this link" .. "<br />" ..
"You will find more hints to optimize your system to run DDNS scripts with all options")
end
end
-- TableSection definition -- ##################################################
ts = m:section( TypedSection, "service",
translate("Overview"),
translate("Below is a list of configured DDNS configurations and their current state.")
.. "<br />"
.. translate("If you want to send updates for IPv4 and IPv6 you need to define two separate Configurations "
.. "i.e. 'myddns_ipv4' and 'myddns_ipv6'")
.. "<br />"
.. [[<a href="]] .. DISP.build_url("admin", "services", "ddns", "global") .. [[">]]
.. translate("To change global settings click here") .. [[</a>]] )
ts.sectionhead = translate("Configuration")
ts.template = "cbi/tblsection"
ts.addremove = true
ts.extedit = DISP.build_url("admin", "services", "ddns", "detail", "%s")
function ts.create(self, name)
AbstractSection.create(self, name)
HTTP.redirect( self.extedit:format(name) )
end
-- Lookup_Host and registered IP -- #################################################
dom = ts:option(DummyValue, "_lookupIP",
translate("Lookup Hostname") .. "<br />" .. translate("Registered IP") )
dom.template = "ddns/overview_doubleline"
function dom.set_one(self, section)
local lookup = self.map:get(section, "lookup_host") or ""
if lookup ~= "" then
return lookup
else
return [[<em>]] .. translate("config error") .. [[</em>]]
end
end
function dom.set_two(self, section)
local lookup_host = self.map:get(section, "lookup_host") or ""
if lookup_host == "" then return "" end
local dnsserver = self.map:get(section, "dnsserver") or ""
local use_ipv6 = tonumber(self.map:get(section, "use_ipv6") or 0)
local force_ipversion = tonumber(self.map:get(section, "force_ipversion") or 0)
local force_dnstcp = tonumber(self.map:get(section, "force_dnstcp") or 0)
local is_glue = tonumber(self.map:get(section, "is_glue") or 0)
local command = CTRL.luci_helper .. [[ -]]
if (use_ipv6 == 1) then command = command .. [[6]] end
if (force_ipversion == 1) then command = command .. [[f]] end
if (force_dnstcp == 1) then command = command .. [[t]] end
if (is_glue == 1) then command = command .. [[g]] end
command = command .. [[l ]] .. lookup_host
if (#dnsserver > 0) then command = command .. [[ -d ]] .. dnsserver end
command = command .. [[ -- get_registered_ip]]
local ip = SYS.exec(command)
if ip == "" then ip = translate("no data") end
return ip
end
-- enabled
ena = ts:option( Flag, "enabled",
translate("Enabled"))
ena.template = "ddns/overview_enabled"
ena.rmempty = false
-- show PID and next update
upd = ts:option( DummyValue, "_update",
translate("Last Update") .. "<br />" .. translate("Next Update"))
upd.template = "ddns/overview_doubleline"
function upd.set_one(self, section) -- fill Last Update
-- get/validate last update
local uptime = SYS.uptime()
local lasttime = DDNS.get_lastupd(section)
if lasttime > uptime then -- /var might not be linked to /tmp and cleared on reboot
lasttime = 0
end
-- no last update happen
if lasttime == 0 then
return translate("never")
-- we read last update
else
-- calc last update
-- os.epoch - sys.uptime + lastupdate(uptime)
local epoch = os.time() - uptime + lasttime
-- use linux date to convert epoch
return DDNS.epoch2date(epoch)
end
end
function upd.set_two(self, section) -- fill Next Update
-- get enabled state
local enabled = tonumber(self.map:get(section, "enabled") or 0)
local datenext = translate("unknown error") -- formatted date of next update
-- get force seconds
local force_interval = tonumber(self.map:get(section, "force_interval") or 72)
local force_unit = self.map:get(section, "force_unit") or "hours"
local force_seconds = DDNS.calc_seconds(force_interval, force_unit)
-- get last update and get/validate PID
local uptime = SYS.uptime()
local lasttime = DDNS.get_lastupd(section)
if lasttime > uptime then -- /var might not be linked to /tmp and cleared on reboot
lasttime = 0
end
local pid = DDNS.get_pid(section)
-- calc next update
if lasttime > 0 then
local epoch = os.time() - uptime + lasttime + force_seconds
-- use linux date to convert epoch
datelast = DDNS.epoch2date(epoch)
end
-- process running but update needs to happen
if pid > 0 and ( lasttime + force_seconds - uptime ) < 0 then
datenext = translate("Verify")
-- run once
elseif force_seconds == 0 then
datenext = translate("Run once")
-- no process running and NOT enabled
elseif pid == 0 and enabled == 0 then
datenext = translate("Disabled")
-- no process running and NOT
elseif pid == 0 and enabled ~= 0 then
datenext = translate("Stopped")
end
return datenext
end
-- start/stop button
btn = ts:option( Button, "_startstop",
translate("Process ID") .. "<br />" .. translate("Start / Stop") )
btn.template = "ddns/overview_startstop"
function btn.cfgvalue(self, section)
local pid = DDNS.get_pid(section)
if pid > 0 then
btn.inputtitle = "PID: " .. pid
btn.inputstyle = "reset"
btn.disabled = false
elseif (self.map:get(section, "enabled") or "0") ~= "0" then
btn.inputtitle = translate("Start")
btn.inputstyle = "apply"
btn.disabled = false
else
btn.inputtitle = "----------"
btn.inputstyle = "button"
btn.disabled = true
end
return true
end
return m
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