--- /dev/null
+--[[
+LuCI - Lua Configuration Interface
+
+A lot of code taken from original ddns.lua cbi-model made by
+Copyright 2008 Steven Barth <steven@midlink.org>
+Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
+Copyright 2013 Manuel Munz <freifunk at somakoma dot de>
+
+modified to use as detail page together with new overview page and
+extensions for IPv6, HTTPS settings, syslog and log settings,
+optional Proxy-Support, optional DNS-Server, optional use of TCP requests to DNS server,
+optional force of IP protocol version usage
+Copyright 2014 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+]]--
+
+local NX = require "nixio"
+local FS = require "nixio.fs"
+local SYS = require "luci.sys"
+local UTIL = require "luci.util"
+local DISP = require "luci.dispatcher"
+local WADM = require "luci.tools.webadmin"
+local DTYP = require "luci.cbi.datatypes"
+local DDNS = require "luci.tools.ddns" -- ddns multiused functions
+
+-- takeover arguments -- #######################################################
+section = arg[1]
+
+-- check supported options -- ##################################################
+-- saved to local vars here because doing multiple os calls slow down the system
+has_ipv6 = DDNS.check_ipv6() -- IPv6 support
+has_ssl = DDNS.check_ssl() -- HTTPS support
+has_proxy = DDNS.check_proxy() -- Proxy support
+has_dnstcp = DDNS.check_bind_host() -- DNS TCP support
+has_force = has_ssl and has_dnstcp -- Force IP Protocoll
+
+-- html constants -- ###########################################################
+font_red = "<font color='red'>"
+font_off = "</font>"
+bold_on = "<strong>"
+bold_off = "</strong>"
+
+-- error text constants -- #####################################################
+err_ipv6_plain = translate("IPv6 not supported") .. " - " ..
+ translate("please select 'IPv4' address version")
+err_ipv6_basic = bold_on ..
+ font_red ..
+ translate("IPv6 not supported") ..
+ font_off ..
+ "<br />" .. translate("please select 'IPv4' address version") ..
+ bold_off
+err_ipv6_other = bold_on ..
+ font_red ..
+ translate("IPv6 not supported") ..
+ font_off ..
+ "<br />" .. translate("please select 'IPv4' address version in") .. " " ..
+ [[<a href="]] ..
+ DISP.build_url("admin", "services", "ddns", "detail", section) ..
+ "?tab.dns." .. section .. "=basic" ..
+ [[">]] ..
+ translate("Basic Settings") ..
+ [[</a>]] ..
+ bold_off
+
+function err_tab_basic(self)
+ return translate("Basic Settings") .. " - " .. self.title .. ": "
+end
+function err_tab_adv(self)
+ return translate("Advanced Settings") .. " - " .. self.title .. ": "
+end
+function err_tab_timer(self)
+ return translate("Timer Settings") .. " - " .. self.title .. ": "
+end
+
+-- function to verify settings around ip_source
+-- will use dynamic_dns_lucihelper to check if
+-- local IP can be read
+local function _verify_ip_source()
+ -- section is globally defined here be calling agrument (see above)
+ local _network = "-"
+ local _url = "-"
+ local _interface = "-"
+ local _script = "-"
+ local _proxy = ""
+
+ local _ipv6 = usev6:formvalue(section)
+ local _source = (_ipv6 == "1")
+ and src6:formvalue(section)
+ or src4:formvalue(section)
+ if _source == "network" then
+ _network = (_ipv6 == "1")
+ and ipn6:formvalue(section)
+ or ipn4:formvalue(section)
+ elseif _source == "web" then
+ _url = (_ipv6 == "1")
+ and iurl6:formvalue(section)
+ or iurl4:formvalue(section)
+ -- proxy only needed for checking url
+ _proxy = (pxy) and pxy:formvalue(section) or ""
+ elseif _source == "interface" then
+ _interface = ipi:formvalue(section)
+ elseif _source == "script" then
+ _script = ips:formvalue(section)
+ end
+
+ local command = [[/usr/lib/ddns/dynamic_dns_lucihelper.sh get_local_ip ]] ..
+ _ipv6 .. [[ ]] .. _source .. [[ ]] .. _network .. [[ ]] ..
+ _url .. [[ ]] .. _interface .. [[ ']] .. _script.. [[' ]] .. _proxy
+ local ret = SYS.call(command)
+
+ if ret == 0 then
+ return true -- valid
+ else
+ return nil -- invalid
+ end
+end
+
+-- 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")
+
+m.on_after_commit = function(self)
+ if self.changed then -- changes ?
+ local pid = DDNS.get_pid(section)
+ if pid > 0 then -- running ?
+ local tmp = NX.kill(pid, 1) -- send SIGHUP
+ end
+ end
+end
+
+-- read application settings -- ################################################
+-- date format; if not set use ISO format
+date_format = m.uci:get(m.config, "global", "date_format") or "%F %R"
+-- log directory
+log_dir = m.uci:get(m.config, "global", "log_dir") or "/var/log/ddns"
+
+-- cbi-section definition -- ###################################################
+ns = m:section( NamedSection, section, "service",
+ translate("Details for") .. ([[: <strong>%s</strong>]] % section),
+ translate("Configure here the details for selected Dynamic DNS service") )
+ns.instance = section -- arg [1]
+ns:tab("basic", translate("Basic Settings"), nil )
+ns:tab("advanced", translate("Advanced Settings"), nil )
+ns:tab("timer", translate("Timer Settings"), nil )
+ns:tab("logview", translate("Log File Viewer"), nil )
+
+-- TAB: Basic #####################################################################################
+-- enabled -- #################################################################
+en = ns:taboption("basic", Flag, "enabled",
+ translate("Enabled"),
+ translate("If this service section is disabled it could not be started." .. "<br />" ..
+ "Neither from LuCI interface nor from console") )
+en.orientation = "horizontal"
+function en.parse(self, section)
+ DDNS.flag_parse(self, section)
+end
+
+-- use_ipv6 (NEW) -- ##########################################################
+usev6 = ns:taboption("basic", ListValue, "use_ipv6",
+ translate("IP address version"),
+ translate("Defines which IP address 'IPv4/IPv6' is send to the DDNS provider") )
+usev6.widget = "radio"
+usev6.default = "0"
+usev6:value("0", translate("IPv4-Address") )
+function usev6.cfgvalue(self, section)
+ local value = AbstractValue.cfgvalue(self, section)
+ if has_ipv6 or (value == "1" and not has_ipv6) then
+ self:value("1", translate("IPv6-Address") )
+ end
+ if value == "1" and not has_ipv6 then
+ self.description = err_ipv6_basic
+ end
+ return value
+end
+function usev6.validate(self, value)
+ if (value == "1" and has_ipv6) or value == "0" then
+ return value
+ end
+ return nil, err_tab_basic(self) .. err_ipv6_plain
+end
+function usev6.write(self, section, value)
+ if value == "0" then -- force rmempty
+ return self.map:del(section, self.option)
+ else
+ return self.map:set(section, self.option, value)
+ end
+end
+
+-- IPv4 - service_name -- ######################################################
+svc4 = ns:taboption("basic", ListValue, "ipv4_service_name",
+ translate("DDNS Service provider") .. " [IPv4]" )
+svc4.default = "-"
+svc4:depends("use_ipv6", "0") -- only show on IPv4
+
+local services4 = { }
+local fd4 = io.open("/usr/lib/ddns/services", "r")
+
+if fd4 then
+ local ln
+ repeat
+ ln = fd4:read("*l")
+ local s = ln and ln:match('^%s*"([^"]+)"')
+ if s then services4[#services4+1] = s end
+ until not ln
+ fd4:close()
+end
+
+for _, v in UTIL.vspairs(services4) do svc4:value(v) end
+svc4:value("-", translate("-- custom --") )
+
+function svc4.cfgvalue(self, section)
+ local v = DDNS.read_value(self, section, "service_name")
+ if not v or #v == 0 then
+ return "-"
+ else
+ return v
+ end
+end
+function svc4.validate(self, value)
+ if usev6:formvalue(section) == "0" then -- do only on IPv4
+ return value
+ else
+ return "" -- supress validate error
+ end
+end
+function svc4.write(self, section, value)
+ if usev6:formvalue(section) == "0" then -- do only IPv4 here
+ self.map:del(section, self.option) -- to be shure
+ if value ~= "-" then -- and write "service_name
+ self.map:del(section, "update_url") -- delete update_url
+ return self.map:set(section, "service_name", value)
+ else
+ return self.map:del(section, "service_name")
+ end
+ end
+end
+
+-- IPv6 - service_name -- ######################################################
+svc6 = ns:taboption("basic", ListValue, "ipv6_service_name",
+ translate("DDNS Service provider") .. " [IPv6]" )
+svc6.default = "-"
+svc6:depends("use_ipv6", "1") -- only show on IPv6
+if not has_ipv6 then
+ svc6.description = err_ipv6_basic
+end
+
+local services6 = { }
+local fd6 = io.open("/usr/lib/ddns/services_ipv6", "r")
+
+if fd6 then
+ local ln
+ repeat
+ ln = fd6:read("*l")
+ local s = ln and ln:match('^%s*"([^"]+)"')
+ if s then services6[#services6+1] = s end
+ until not ln
+ fd6:close()
+end
+
+for _, v in UTIL.vspairs(services6) do svc6:value(v) end
+svc6:value("-", translate("-- custom --") )
+
+function svc6.cfgvalue(self, section)
+ local v = DDNS.read_value(self, section, "service_name")
+ if not v or #v == 0 then
+ return "-"
+ else
+ return v
+ end
+end
+function svc6.validate(self, value)
+ if usev6:formvalue(section) == "1" then -- do only on IPv6
+ if has_ipv6 then return value end
+ return nil, err_tab_basic(self) .. err_ipv6_plain
+ else
+ return "" -- supress validate error
+ end
+end
+function svc6.write(self, section, value)
+ if usev6:formvalue(section) == "1" then -- do only when IPv6
+ self.map:del(section, self.option) -- delete "ipv6_service_name" helper
+ if value ~= "-" then -- and write "service_name
+ self.map:del(section, "update_url") -- delete update_url
+ return self.map:set(section, "service_name", value)
+ else
+ return self.map:del(section, "service_name")
+ end
+ end
+end
+
+-- IPv4/IPv6 - update_url -- ###################################################
+uurl = ns:taboption("basic", Value, "update_url",
+ translate("Custom update-URL"),
+ translate("Update URL to be used for updating your DDNS Provider." .. "<br />" ..
+ "Follow instructions you will find on their WEB page.") )
+uurl:depends("ipv4_service_name", "-")
+uurl:depends("ipv6_service_name", "-")
+function uurl.validate(self, value)
+ local script = ush:formvalue(section)
+
+ if (usev6:formvalue(section) == "0" and svc4:formvalue(section) ~= "-") or
+ (usev6:formvalue(section) == "1" and svc6:formvalue(section) ~= "-") then
+ return "" -- suppress validate error
+ elseif not value then
+ if not script or not (#script > 0) then
+ return nil, err_tab_basic(self) .. translate("missing / required")
+ else
+ return "" -- suppress validate error / update_script is given
+ end
+ elseif (#script > 0) then
+ return nil, err_tab_basic(self) .. translate("either url or script could be set")
+ end
+
+ local url = DDNS.parse_url(value)
+ if not url.scheme == "http" then
+ return nil, err_tab_basic(self) .. translate("must start with 'http://'")
+ elseif not url.query then
+ return nil, err_tab_basic(self) .. "<QUERY> " .. translate("missing / required")
+ elseif not url.host then
+ return nil, err_tab_basic(self) .. "<HOST> " .. translate("missing / required")
+ elseif SYS.call([[nslookup ]] .. url.host .. [[ >/dev/null 2>&1]]) ~= 0 then
+ return nil, err_tab_basic(self) .. translate("can not resolve host: ") .. url.host
+ end
+
+ return value
+end
+
+-- IPv4/IPv6 - update_script -- ################################################
+ush = ns:taboption("basic", Value, "update_script",
+ translate("Custom update-script"),
+ translate("Custom update script to be used for updating your DDNS Provider.") )
+ush:depends("ipv4_service_name", "-")
+ush:depends("ipv6_service_name", "-")
+function ush.validate(self, value)
+ local url = uurl:formvalue(section)
+
+ if (usev6:formvalue(section) == "0" and svc4:formvalue(section) ~= "-") or
+ (usev6:formvalue(section) == "1" and svc6:formvalue(section) ~= "-") then
+ return "" -- suppress validate error
+ elseif not value then
+ if not url or not (#url > 0) then
+ return nil, err_tab_basic(self) .. translate("missing / required")
+ else
+ return "" -- suppress validate error / update_url is given
+ end
+ elseif (#url > 0) then
+ return nil, err_tab_basic(self) .. translate("either url or script could be set")
+ elseif not FS.access(value) then
+ return nil, err_tab_basic(self) .. translate("File not found")
+ end
+ return value
+end
+
+-- IPv4/IPv6 - domain -- #######################################################
+dom = ns:taboption("basic", Value, "domain",
+ translate("Hostname/Domain"),
+ translate("Replaces [DOMAIN] in Update-URL") )
+dom.rmempty = false
+dom.placeholder = "mypersonaldomain.dyndns.org"
+function dom.validate(self, value)
+ if not value
+ or not (#value > 0)
+ or not DTYP.hostname(value) then
+ return nil, err_tab_basic(self) .. translate("invalid - Sample") .. ": 'mypersonaldomain.dyndns.org'"
+ else
+ return value
+ end
+end
+
+-- IPv4/IPv6 - username -- #####################################################
+user = ns:taboption("basic", Value, "username",
+ translate("Username"),
+ translate("Replaces [USERNAME] in Update-URL") )
+user.rmempty = false
+function user.validate(self, value)
+ if not value then
+ return nil, err_tab_basic(self) .. translate("missing / required")
+ end
+ return value
+end
+
+-- IPv4/IPv6 - password -- #####################################################
+pw = ns:taboption("basic", Value, "password",
+ translate("Password"),
+ translate("Replaces [PASSWORD] in Update-URL") )
+pw.rmempty = false
+pw.password = true
+function pw.validate(self, value)
+ if not value then
+ return nil, err_tab_basic(self) .. translate("missing / required")
+ end
+ return value
+end
+
+-- IPv4/IPv6 - use_https (NEW) -- ##############################################
+if has_ssl or ( ( m:get(section, "use_https") or "0" ) == "1" ) then
+ https = ns:taboption("basic", Flag, "use_https",
+ translate("Use HTTP Secure") )
+ https.orientation = "horizontal"
+ https.rmempty = false -- force validate function
+ function https.cfgvalue(self, section)
+ local value = AbstractValue.cfgvalue(self, section)
+ if not has_ssl and value == "1" then
+ self.description = bold_on .. font_red ..
+ translate("HTTPS not supported") .. font_off .. "<br />" ..
+ translate("please disable") .. " !" .. bold_off
+ else
+ self.description = translate("Enable secure communication with DDNS provider")
+ end
+ return value
+ end
+ function https.parse(self, section)
+ DDNS.flag_parse(self, section)
+ end
+ function https.validate(self, value)
+ if (value == "1" and has_ssl ) or value == "0" then return value end
+ return nil, err_tab_basic(self) .. translate("HTTPS not supported") .. " !"
+ end
+ function https.write(self, section, value)
+ if value == "1" then
+ return self.map:set(section, self.option, value)
+ else
+ self.map:del(section, "cacert")
+ return self.map:del(section, self.option)
+ end
+ end
+end
+
+-- IPv4/IPv6 - cacert (NEW) -- #################################################
+if has_ssl then
+ cert = ns:taboption("basic", Value, "cacert",
+ translate("Path to CA-Certificate"),
+ translate("directory or path/file") .. "<br />" ..
+ translate("or") .. bold_on .. " IGNORE " .. bold_off ..
+ translate("to run HTTPS without verification of server certificates (insecure)") )
+ cert:depends("use_https", "1")
+ cert.rmempty = false -- force validate function
+ cert.default = "/etc/ssl/certs"
+ function cert.validate(self, value)
+ if https:formvalue(section) == "0" then
+ return "" -- supress validate error if NOT https
+ end
+ if value then -- otherwise errors in datatype check
+ if DTYP.directory(value)
+ or DTYP.file(value)
+ or value == "IGNORE" then
+ return value
+ end
+ end
+ return nil, err_tab_basic(self) ..
+ translate("file or directory not found or not 'IGNORE'") .. " !"
+ end
+end
+
+-- TAB: Advanced ##################################################################################
+-- IPv4 - ip_source -- #########################################################
+src4 = ns:taboption("advanced", ListValue, "ipv4_source",
+ translate("IP address source") .. " [IPv4]",
+ translate("Defines the source to read systems IPv4-Address from, that will be send to the DDNS provider") )
+src4:depends("use_ipv6", "0") -- IPv4 selected
+src4.default = "network"
+src4:value("network", translate("Network"))
+src4:value("web", translate("URL"))
+src4:value("interface", translate("Interface"))
+src4:value("script", translate("Script"))
+function src4.cfgvalue(self, section)
+ return DDNS.read_value(self, section, "ip_source")
+end
+function src4.validate(self, value)
+ if usev6:formvalue(section) == "1" then
+ return "" -- ignore on IPv6 selected
+ elseif not _verify_ip_source() then
+ return nil, err_tab_adv(self) ..
+ translate("can not detect local IP. Please select a different Source combination")
+ else
+ return value
+ end
+end
+function src4.write(self, section, value)
+ if usev6:formvalue(section) == "1" then
+ return true -- ignore on IPv6 selected
+ elseif value == "network" then
+ self.map:del(section, "ip_url") -- delete not need parameters
+ self.map:del(section, "ip_interface")
+ self.map:del(section, "ip_script")
+ elseif value == "web" then
+ self.map:del(section, "ip_network") -- delete not need parameters
+ self.map:del(section, "ip_interface")
+ self.map:del(section, "ip_script")
+ elseif value == "interface" then
+ self.map:del(section, "ip_network") -- delete not need parameters
+ self.map:del(section, "ip_url")
+ self.map:del(section, "ip_script")
+ elseif value == "script" then
+ self.map:del(section, "ip_network")
+ self.map:del(section, "ip_url") -- delete not need parameters
+ self.map:del(section, "ip_interface")
+ end
+ self.map:del(section, self.option) -- delete "ipv4_source" helper
+ return self.map:set(section, "ip_source", value) -- and write "ip_source
+end
+
+-- IPv6 - ip_source -- #########################################################
+src6 = ns:taboption("advanced", ListValue, "ipv6_source",
+ translate("IP address source") .. " [IPv6]",
+ translate("Defines the source to read systems IPv6-Address from, that will be send to the DDNS provider") )
+src6:depends("use_ipv6", 1) -- IPv6 selected
+src6.default = "network"
+src6:value("network", translate("Network"))
+src6:value("web", translate("URL"))
+src6:value("interface", translate("Interface"))
+src6:value("script", translate("Script"))
+if not has_ipv6 then
+ src6.description = err_ipv6_other
+end
+function src6.cfgvalue(self, section)
+ return DDNS.read_value(self, section, "ip_source")
+end
+function src6.validate(self, value)
+ if usev6:formvalue(section) == "0" then
+ return "" -- ignore on IPv4 selected
+ elseif not has_ipv6 then
+ return nil, err_tab_adv(self) .. err_ipv6_plain
+ elseif not _verify_ip_source() then
+ return nil, err_tab_adv(self) ..
+ translate("can not detect local IP. Please select a different Source combination")
+ else
+ return value
+ end
+end
+function src6.write(self, section, value)
+ if usev6:formvalue(section) == "0" then
+ return true -- ignore on IPv4 selected
+ elseif value == "network" then
+ self.map:del(section, "ip_url") -- delete not need parameters
+ self.map:del(section, "ip_interface")
+ self.map:del(section, "ip_script")
+ elseif value == "web" then
+ self.map:del(section, "ip_network") -- delete not need parameters
+ self.map:del(section, "ip_interface")
+ self.map:del(section, "ip_script")
+ elseif value == "interface" then
+ self.map:del(section, "ip_network") -- delete not need parameters
+ self.map:del(section, "ip_url")
+ self.map:del(section, "ip_script")
+ elseif value == "script" then
+ self.map:del(section, "ip_network")
+ self.map:del(section, "ip_url") -- delete not need parameters
+ self.map:del(section, "ip_interface")
+ end
+ self.map:del(section, self.option) -- delete "ipv4_source" helper
+ return self.map:set(section, "ip_source", value) -- and write "ip_source
+end
+
+-- IPv4 - ip_network (default "wan") -- ########################################
+ipn4 = ns:taboption("advanced", ListValue, "ipv4_network",
+ translate("Network") .. " [IPv4]",
+ translate("Defines the network to read systems IPv4-Address from") )
+ipn4:depends("ipv4_source", "network")
+ipn4.default = "wan"
+WADM.cbi_add_networks(ipn4)
+function ipn4.cfgvalue(self, section)
+ return DDNS.read_value(self, section, "ip_network")
+end
+function ipn4.validate(self, value)
+ if usev6:formvalue(section) == "1"
+ or src4:formvalue(section) ~= "network" then
+ -- ignore if IPv6 selected OR
+ -- ignore everything except "network"
+ return ""
+ else
+ return value
+ end
+end
+function ipn4.write(self, section, value)
+ if usev6:formvalue(section) == "1"
+ or src4:formvalue(section) ~= "network" then
+ -- ignore if IPv6 selected OR
+ -- ignore everything except "network"
+ return true
+ else
+ -- set also as "interface" for monitoring events changes/hot-plug
+ self.map:set(section, "interface", value)
+ self.map:del(section, self.option) -- delete "ipv4_network" helper
+ return self.map:set(section, "ip_network", value) -- and write "ip_network"
+ end
+end
+
+-- IPv6 - ip_network (default "wan6") -- #######################################
+ipn6 = ns:taboption("advanced", ListValue, "ipv6_network",
+ translate("Network") .. " [IPv6]" )
+ipn6:depends("ipv6_source", "network")
+ipn6.default = "wan6"
+WADM.cbi_add_networks(ipn6)
+if has_ipv6 then
+ ipn6.description = translate("Defines the network to read systems IPv6-Address from")
+else
+ ipn6.description = err_ipv6_other
+end
+function ipn6.cfgvalue(self, section)
+ return DDNS.read_value(self, section, "ip_network")
+end
+function ipn6.validate(self, value)
+ if usev6:formvalue(section) == "0"
+ or src6:formvalue(section) ~= "network" then
+ -- ignore if IPv4 selected OR
+ -- ignore everything except "network"
+ return ""
+ elseif has_ipv6 then
+ return value
+ else
+ return nil, err_tab_adv(self) .. err_ipv6_plain
+ end
+end
+function ipn6.write(self, section, value)
+ if usev6:formvalue(section) == "0"
+ or src6:formvalue(section) ~= "network" then
+ -- ignore if IPv4 selected OR
+ -- ignore everything except "network"
+ return true
+ else
+ -- set also as "interface" for monitoring events changes/hotplug
+ self.map:set(section, "interface", value)
+ self.map:del(section, self.option) -- delete "ipv6_network" helper
+ return self.map:set(section, "ip_network", value) -- and write "ip_network"
+ end
+end
+
+-- IPv4 - ip_url (default "checkip.dyndns.com") -- #############################
+iurl4 = ns:taboption("advanced", Value, "ipv4_url",
+ translate("URL to detect") .. " [IPv4]",
+ translate("Defines the Web page to read systems IPv4-Address from") )
+iurl4:depends("ipv4_source", "web")
+iurl4.default = "http://checkip.dyndns.com"
+function iurl4.cfgvalue(self, section)
+ return DDNS.read_value(self, section, "ip_url")
+end
+function iurl4.validate(self, value)
+ if usev6:formvalue(section) == "1"
+ or src4:formvalue(section) ~= "web" then
+ -- ignore if IPv6 selected OR
+ -- ignore everything except "web"
+ return ""
+ elseif not value or #value == 0 then
+ return nil, err_tab_adv(self) .. translate("missing / required")
+ end
+
+ local url = DDNS.parse_url(value)
+ if not (url.scheme == "http" or url.scheme == "https") then
+ return nil, err_tab_adv(self) .. translate("must start with 'http://'")
+ elseif not url.host then
+ return nil, err_tab_adv(self) .. "<HOST> " .. translate("missing / required")
+ elseif SYS.call([[nslookup ]] .. url.host .. [[>/dev/null 2>&1]]) ~= 0 then
+ return nil, err_tab_adv(self) .. translate("can not resolve host: ") .. url.host
+ else
+ return value
+ end
+end
+function iurl4.write(self, section, value)
+ if usev6:formvalue(section) == "1"
+ or src4:formvalue(section) ~= "web" then
+ -- ignore if IPv6 selected OR
+ -- ignore everything except "web"
+ return true
+ else
+ self.map:del(section, self.option) -- delete "ipv4_url" helper
+ return self.map:set(section, "ip_url", value) -- and write "ip_url"
+ end
+end
+
+-- IPv6 - ip_url (default "checkipv6.dyndns.com") -- ###########################
+iurl6 = ns:taboption("advanced", Value, "ipv6_url",
+ translate("URL to detect") .. " [IPv6]" )
+iurl6:depends("ipv6_source", "web")
+iurl6.default = "http://checkipv6.dyndns.com"
+if has_ipv6 then
+ iurl6.description = translate("Defines the Web page to read systems IPv6-Address from")
+else
+ iurl6.description = err_ipv6_other
+end
+function iurl6.cfgvalue(self, section)
+ return DDNS.read_value(self, section, "ip_url")
+end
+function iurl6.validate(self, value)
+ if usev6:formvalue(section) == "0"
+ or src6:formvalue(section) ~= "web" then
+ -- ignore if IPv4 selected OR
+ -- ignore everything except "web"
+ return ""
+ elseif not has_ipv6 then
+ return nil, err_tab_adv(self) .. err_ipv6_plain
+ elseif not value or #value == 0 then
+ return nil, err_tab_adv(self) .. translate("missing / required")
+ end
+
+ local url = DDNS.parse_url(value)
+ if not (url.scheme == "http" or url.scheme == "https") then
+ return nil, err_tab_adv(self) .. translate("must start with 'http://'")
+ elseif not url.host then
+ return nil, err_tab_adv(self) .. "<HOST> " .. translate("missing / required")
+ elseif SYS.call([[nslookup ]] .. url.host .. [[>/dev/null 2>&1]]) ~= 0 then
+ return nil, err_tab_adv(self) .. translate("can not resolve host: ") .. url.host
+ else
+ return value
+ end
+end
+function iurl6.write(self, section, value)
+ if usev6:formvalue(section) == "0"
+ or src6:formvalue(section) ~= "web" then
+ -- ignore if IPv4 selected OR
+ -- ignore everything except "web"
+ return true
+ else
+ self.map:del(section, self.option) -- delete "ipv6_url" helper
+ return self.map:set(section, "ip_url", value) -- and write "ip_url"
+ end
+end
+
+-- IPv4 + IPv6 - ip_interface -- ###############################################
+ipi = ns:taboption("advanced", ListValue, "ip_interface",
+ translate("Interface"),
+ translate("Defines the interface to read systems IP-Address from") )
+ipi:depends("ipv4_source", "interface") -- IPv4
+ipi:depends("ipv6_source", "interface") -- or IPv6
+for _, v in pairs(SYS.net.devices()) do
+ -- show only interface set to a network
+ -- and ignore loopback
+ net = WADM.iface_get_network(v)
+ if net and net ~= "loopback" then
+ ipi:value(v)
+ end
+end
+function ipi.validate(self, value)
+ if (usev6:formvalue(section) == "0" and src4:formvalue(section) ~= "interface")
+ or (usev6:formvalue(section) == "1" and src6:formvalue(section) ~= "interface") then
+ return ""
+ else
+ return value
+ end
+end
+function ipi.write(self, section, value)
+ if (usev6:formvalue(section) == "0" and src4:formvalue(section) ~= "interface")
+ or (usev6:formvalue(section) == "1" and src6:formvalue(section) ~= "interface") then
+ return true
+ else
+ -- get network from device to
+ -- set also as "interface" for monitoring events changes/hotplug
+ local net = WADM.iface_get_network(value)
+ self.map:set(section, "interface", net)
+ return self.map:set(section, self.option, value)
+ end
+end
+
+-- IPv4 + IPv6 - ip_script (NEW) -- ############################################
+ips = ns:taboption("advanced", Value, "ip_script",
+ translate("Script"),
+ translate("User defined script to read systems IP-Address") )
+ips:depends("ipv4_source", "script") -- IPv4
+ips:depends("ipv6_source", "script") -- or IPv6
+ips.rmempty = false
+ips.placeholder = "/path/to/script.sh"
+function ips.validate(self, value)
+ local split
+ if value then split = UTIL.split(value, " ") end
+
+ if (usev6:formvalue(section) == "0" and src4:formvalue(section) ~= "script")
+ or (usev6:formvalue(section) == "1" and src6:formvalue(section) ~= "script") then
+ return ""
+ elseif not value or not (#value > 0) or not FS.access(split[1], "x") then
+ return nil, err_tab_adv(self) ..
+ translate("not found or not executable - Sample: '/path/to/script.sh'")
+ else
+ return value
+ end
+end
+function ips.write(self, section, value)
+ if (usev6:formvalue(section) == "0" and src4:formvalue(section) ~= "script")
+ or (usev6:formvalue(section) == "1" and src6:formvalue(section) ~= "script") then
+ return true
+ else
+ return self.map:set(section, self.option, value)
+ end
+end
+
+-- IPv4 - interface - default "wan" -- #########################################
+-- event network to monitor changes/hotplug/dynamic_dns_updater.sh
+-- only needs to be set if "ip_source"="web" or "script"
+-- if "ip_source"="network" or "interface" we use their network
+eif4 = ns:taboption("advanced", ListValue, "ipv4_interface",
+ translate("Event Network") .. " [IPv4]",
+ translate("Network on which the ddns-updater scripts will be started") )
+eif4:depends("ipv4_source", "web")
+eif4:depends("ipv4_source", "script")
+eif4.default = "wan"
+WADM.cbi_add_networks(eif4)
+function eif4.cfgvalue(self, section)
+ return DDNS.read_value(self, section, "interface")
+end
+function eif4.validate(self, value)
+ if usev6:formvalue(section) == "1"
+ or src4:formvalue(section) == "network"
+ or src4:formvalue(section) == "interface" then
+ return "" -- ignore IPv6, network, interface
+ else
+ return value
+ end
+end
+function eif4.write(self, section, value)
+ if usev6:formvalue(section) == "1"
+ or src4:formvalue(section) == "network"
+ or src4:formvalue(section) == "interface" then
+ return true -- ignore IPv6, network, interface
+ else
+ self.map:del(section, self.option) -- delete "ipv4_interface" helper
+ return self.map:set(section, "interface", value) -- and write "interface"
+ end
+end
+
+-- IPv6 - interface (NEW) - default "wan6" -- ##################################
+-- event network to monitor changes/hotplug (NEW)
+-- only needs to be set if "ip_source"="web" or "script"
+-- if "ip_source"="network" or "interface" we use their network
+eif6 = ns:taboption("advanced", ListValue, "ipv6_interface",
+ translate("Event Network") .. " [IPv6]" )
+eif6:depends("ipv6_source", "web")
+eif6:depends("ipv6_source", "script")
+eif6.default = "wan6"
+WADM.cbi_add_networks(eif6)
+if not has_ipv6 then
+ eif6.description = err_ipv6_other
+else
+ eif6.description = translate("Network on which the ddns-updater scripts will be started")
+end
+function eif6.cfgvalue(self, section)
+ return DDNS.read_value(self, section, "interface")
+end
+function eif6.validate(self, value)
+ if usev6:formvalue(section) == "0"
+ or src4:formvalue(section) == "network"
+ or src4:formvalue(section) == "interface" then
+ return "" -- ignore IPv4, network, interface
+ elseif not has_ipv6 then
+ return nil, err_tab_adv(self) .. err_ipv6_plain
+ else
+ return value
+ end
+end
+function eif6.write(self, section, value)
+ if usev6:formvalue(section) == "0"
+ or src4:formvalue(section) == "network"
+ or src4:formvalue(section) == "interface" then
+ return true -- ignore IPv4, network, interface
+ else
+ self.map:del(section, self.option) -- delete "ipv6_interface" helper
+ return self.map:set(section, "interface", value) -- and write "interface"
+ end
+end
+
+-- IPv4 + IPv6 - force_ipversion (NEW) -- ######################################
+-- optional to force wget/curl and host to use only selected IP version
+-- command parameter "-4" or "-6"
+if has_force or ( ( m:get(section, "force_ipversion") or "0" ) ~= "0" ) then
+ fipv = ns:taboption("advanced", Flag, "force_ipversion",
+ translate("Force IP Version") )
+ fipv.orientation = "horizontal"
+ function fipv.cfgvalue(self, section)
+ local value = AbstractValue.cfgvalue(self, section)
+ if not has_force and value ~= "0" then
+ self.description = bold_on .. font_red ..
+ translate("Force IP Version not supported") .. font_off .. "<br />" ..
+ translate("please disable") .. " !" .. bold_off
+ else
+ self.description = translate("OPTIONAL: Force the usage of pure IPv4/IPv6 only communication.")
+ end
+ return value
+ end
+ function fipv.validate(self, value)
+ if (value == "1" and has_force) or value == "0" then return value end
+ return nil, err_tab_adv(self) .. translate("Force IP Version not supported")
+ end
+ function fipv.parse(self, section)
+ DDNS.flag_parse(self, section)
+ end
+ function fipv.write(self, section, value)
+ if value == "1" then
+ return self.map:set(section, self.option, value)
+ else
+ return self.map:del(section, self.option)
+ end
+ end
+end
+
+-- IPv4 + IPv6 - dns_server (NEW) -- ###########################################
+-- optional DNS Server to use resolving my IP if "ip_source"="web"
+dns = ns:taboption("advanced", Value, "dns_server",
+ translate("DNS-Server"),
+ translate("OPTIONAL: Use non-default DNS-Server to detect 'Registered IP'.") .. "<br />" ..
+ translate("Format: IP or FQDN"))
+dns.placeholder = "mydns.lan"
+function dns.validate(self, value)
+ -- if .datatype is set, then it is checked before calling this function
+ if not value then
+ return "" -- ignore on empty
+ elseif not DTYP.host(value) then
+ return nil, err_tab_adv(self) .. translate("use hostname, FQDN, IPv4- or IPv6-Address")
+ else
+ local ipv6 = usev6:formvalue(section)
+ local force = (fipv) and fipv:formvalue(section) or "0"
+ local command = [[/usr/lib/ddns/dynamic_dns_lucihelper.sh verify_dns ]] ..
+ value .. [[ ]] .. ipv6 .. [[ ]] .. force
+ local ret = SYS.call(command)
+ if ret == 0 then return value -- everything OK
+ elseif ret == 2 then return nil, err_tab_adv(self) .. translate("nslookup can not resolve host")
+ elseif ret == 3 then return nil, err_tab_adv(self) .. translate("nc (netcat) can not connect")
+ elseif ret == 4 then return nil, err_tab_adv(self) .. translate("Forced IP Version don't matched")
+ else return nil, err_tab_adv(self) .. translate("unspecific error")
+ end
+ end
+end
+
+-- IPv4 + IPv6 - force_dnstcp (NEW) -- #########################################
+if has_dnstcp or ( ( m:get(section, "force_dnstcp") or "0" ) ~= "0" ) then
+ tcp = ns:taboption("advanced", Flag, "force_dnstcp",
+ translate("Force TCP on DNS") )
+ tcp.orientation = "horizontal"
+ function tcp.cfgvalue(self, section)
+ local value = AbstractValue.cfgvalue(self, section)
+ if not has_dnstcp and value ~= "0" then
+ self.description = bold_on .. font_red ..
+ translate("DNS requests via TCP not supported") .. font_off .. "<br />" ..
+ translate("please disable") .. " !" .. bold_off
+ else
+ self.description = translate("OPTIONAL: Force the use of TCP instead of default UDP on DNS requests.")
+ end
+ return value
+ end
+ function tcp.validate(self, value)
+ if (value == "1" and has_dnstcp ) or value == "0" then
+ return value
+ end
+ return nil, err_tab_adv(self) .. translate("DNS requests via TCP not supported")
+ end
+ function tcp.parse(self, section)
+ DDNS.flag_parse(self, section)
+ end
+end
+
+-- IPv4 + IPv6 - proxy (NEW) -- ################################################
+-- optional Proxy to use for http/https requests [user:password@]proxyhost[:port]
+if has_proxy or ( ( m:get(section, "proxy") or "" ) ~= "" ) then
+ pxy = ns:taboption("advanced", Value, "proxy",
+ translate("PROXY-Server") )
+ pxy.placeholder="user:password@myproxy.lan:8080"
+ function pxy.cfgvalue(self, section)
+ local value = AbstractValue.cfgvalue(self, section)
+ if not has_proxy and value ~= "" then
+ self.description = bold_on .. font_red ..
+ translate("PROXY-Server not supported") .. font_off .. "<br />" ..
+ translate("please remove entry") .. "!" .. bold_off
+ else
+ self.description = translate("OPTIONAL: Proxy-Server for detection and updates.") .. "<br />" ..
+ translate("Format") .. ": " .. bold_on .. "[user:password@]proxyhost:port" .. bold_off .. "<br />" ..
+ translate("IPv6 address must be given in square brackets") .. ": " ..
+ bold_on .. " [2001:db8::1]:8080" .. bold_off
+ end
+ return value
+ end
+ function pxy.validate(self, value)
+ -- if .datatype is set, then it is checked before calling this function
+ if not value then
+ return "" -- ignore on empty
+ elseif has_proxy then
+ local ipv6 = usev6:formvalue(section) or "0"
+ local force = (fipv) and fipv:formvalue(section) or "0"
+ local command = [[/usr/lib/ddns/dynamic_dns_lucihelper.sh verify_proxy ]] ..
+ value .. [[ ]] .. ipv6 .. [[ ]] .. force
+ local ret = SYS.call(command)
+ if ret == 0 then return value
+ elseif ret == 2 then return nil, err_tab_adv(self) .. translate("nslookup can not resolve host")
+ elseif ret == 3 then return nil, err_tab_adv(self) .. translate("nc (netcat) can not connect")
+ elseif ret == 4 then return nil, err_tab_adv(self) .. translate("Forced IP Version don't matched")
+ elseif ret == 5 then return nil, err_tab_adv(self) .. translate("proxy port missing")
+ else return nil, err_tab_adv(self) .. translate("unspecific error")
+ end
+ else
+ return nil, err_tab_adv(self) .. translate("PROXY-Server not supported")
+ end
+ end
+end
+
+-- use_syslog -- ###############################################################
+slog = ns:taboption("advanced", ListValue, "use_syslog",
+ translate("Log to syslog"),
+ translate("Writes log messages to syslog. Critical Errors will always be written to syslog.") )
+slog.default = "2"
+slog:value("0", translate("No logging"))
+slog:value("1", translate("Info"))
+slog:value("2", translate("Notice"))
+slog:value("3", translate("Warning"))
+slog:value("4", translate("Error"))
+
+-- use_logfile (NEW) -- ########################################################
+logf = ns:taboption("advanced", Flag, "use_logfile",
+ translate("Log to file"),
+ translate("Writes detailed messages to log file. File will be truncated automatically.") .. "<br />" ..
+ translate("File") .. [[: "]] .. log_dir .. [[/]] .. section .. [[.log"]] )
+logf.orientation = "horizontal"
+logf.rmempty = false -- we want to save in /etc/config/ddns file on "0" because
+logf.default = "1" -- if not defined write to log by default
+function logf.parse(self, section)
+ DDNS.flag_parse(self, section)
+end
+
+-- TAB: Timer #####################################################################################
+-- check_interval -- ###########################################################
+ci = ns:taboption("timer", Value, "check_interval",
+ translate("Check Interval") )
+ci.template = "ddns/detail_value"
+ci.default = 10
+ci.rmempty = false -- validate ourselves for translatable error messages
+function ci.validate(self, value)
+ if not DTYP.uinteger(value)
+ or tonumber(value) < 1 then
+ return nil, err_tab_timer(self) .. translate("minimum value 5 minutes == 300 seconds")
+ end
+
+ local secs = DDNS.calc_seconds(value, cu:formvalue(section))
+ if secs >= 300 then
+ return value
+ else
+ return nil, err_tab_timer(self) .. translate("minimum value 5 minutes == 300 seconds")
+ end
+end
+function ci.write(self, section, value)
+ -- simulate rmempty=true remove default
+ local secs = DDNS.calc_seconds(value, cu:formvalue(section))
+ if secs ~= 600 then --default 10 minutes
+ return self.map:set(section, self.option, value)
+ else
+ self.map:del(section, "check_unit")
+ return self.map:del(section, self.option)
+ end
+end
+
+-- check_unit -- ###############################################################
+cu = ns:taboption("timer", ListValue, "check_unit", "not displayed, but needed otherwise error",
+ translate("Interval to check for changed IP" .. "<br />" ..
+ "Values below 5 minutes == 300 seconds are not supported") )
+cu.template = "ddns/detail_lvalue"
+cu.default = "minutes"
+cu.rmempty = false -- want to control write process
+cu:value("seconds", translate("seconds"))
+cu:value("minutes", translate("minutes"))
+cu:value("hours", translate("hours"))
+--cu:value("days", translate("days"))
+function cu.write(self, section, value)
+ -- simulate rmempty=true remove default
+ local secs = DDNS.calc_seconds(ci:formvalue(section), value)
+ if secs ~= 600 then --default 10 minutes
+ return self.map:set(section, self.option, value)
+ else
+ return true
+ end
+end
+
+-- force_interval (modified) -- ################################################
+fi = ns:taboption("timer", Value, "force_interval",
+ translate("Force Interval") )
+fi.template = "ddns/detail_value"
+fi.default = 72 -- see dynamic_dns_updater.sh script
+fi.rmempty = false -- validate ourselves for translatable error messages
+function fi.validate(self, value)
+ if not DTYP.uinteger(value)
+ or tonumber(value) < 0 then
+ return nil, err_tab_timer(self) .. translate("minimum value '0'")
+ end
+
+ local force_s = DDNS.calc_seconds(value, fu:formvalue(section))
+ if force_s == 0 then
+ return value
+ end
+
+ local ci_value = ci:formvalue(section)
+ if not DTYP.uinteger(ci_value) then
+ return "" -- ignore because error in check_interval above
+ end
+
+ local check_s = DDNS.calc_seconds(ci_value, cu:formvalue(section))
+ if force_s >= check_s then
+ return value
+ end
+
+ return nil, err_tab_timer(self) .. translate("must be greater or equal 'Check Interval'")
+end
+function fi.write(self, section, value)
+ -- simulate rmempty=true remove default
+ local secs = DDNS.calc_seconds(value, fu:formvalue(section))
+ if secs ~= 259200 then --default 72 hours == 3 days
+ return self.map:set(section, self.option, value)
+ else
+ self.map:del(section, "force_unit")
+ return self.map:del(section, self.option)
+ end
+end
+
+-- force_unit -- ###############################################################
+fu = ns:taboption("timer", ListValue, "force_unit", "not displayed, but needed otherwise error",
+ translate("Interval to force updates send to DDNS Provider" .. "<br />" ..
+ "Setting this parameter to 0 will force the script to only run once" .. "<br />" ..
+ "Values lower 'Check Interval' except '0' are not supported") )
+fu.template = "ddns/detail_lvalue"
+fu.default = "hours"
+fu.rmempty = false -- want to control write process
+--fu:value("seconds", translate("seconds"))
+fu:value("minutes", translate("minutes"))
+fu:value("hours", translate("hours"))
+fu:value("days", translate("days"))
+function fu.write(self, section, value)
+ -- simulate rmempty=true remove default
+ local secs = DDNS.calc_seconds(fi:formvalue(section), value)
+ if secs ~= 259200 and secs ~= 0 then --default 72 hours == 3 days
+ return self.map:set(section, self.option, value)
+ else
+ return true
+ end
+end
+
+-- retry_count (NEW) -- ########################################################
+rc = ns:taboption("timer", Value, "retry_count",
+ translate("Error Retry Counter"),
+ translate("On Error the script will stop execution after given number of retrys") )
+rc.default = 5
+rc.rmempty = false -- validate ourselves for translatable error messages
+function rc.validate(self, value)
+ if not DTYP.uinteger(value) then
+ return nil, err_tab_timer(self) .. translate("minimum value '0'")
+ else
+ return value
+ end
+end
+function rc.write(self, section, value)
+ -- simulate rmempty=true remove default
+ if tonumber(value) ~= self.default then
+ return self.map:set(section, self.option, value)
+ else
+ return self.map:del(section, self.option)
+ end
+end
+
+-- retry_interval -- ###########################################################
+ri = ns:taboption("timer", Value, "retry_interval",
+ translate("Error Retry Interval") )
+ri.template = "ddns/detail_value"
+ri.default = 60
+ri.rmempty = false -- validate ourselves for translatable error messages
+function ri.validate(self, value)
+ if not DTYP.uinteger(value)
+ or tonumber(value) < 1 then
+ return nil, err_tab_timer(self) .. translate("minimum value '1'")
+ else
+ return value
+ end
+end
+function ri.write(self, section, value)
+ -- simulate rmempty=true remove default
+ local secs = DDNS.calc_seconds(value, ru:formvalue(section))
+ if secs ~= 60 then --default 60seconds
+ return self.map:set(section, self.option, value)
+ else
+ self.map:del(section, "retry_unit")
+ return self.map:del(section, self.option)
+ end
+end
+
+-- retry_unit -- ###############################################################
+ru = ns:taboption("timer", ListValue, "retry_unit", "not displayed, but needed otherwise error",
+ translate("On Error the script will retry the failed action after given time") )
+ru.template = "ddns/detail_lvalue"
+ru.default = "seconds"
+ru.rmempty = false -- want to control write process
+ru:value("seconds", translate("seconds"))
+ru:value("minutes", translate("minutes"))
+--ru:value("hours", translate("hours"))
+--ru:value("days", translate("days"))
+function ru.write(self, section, value)
+ -- simulate rmempty=true remove default
+ local secs = DDNS.calc_seconds(ri:formvalue(section), value)
+ if secs ~= 60 then --default 60seconds
+ return self.map:set(section, self.option, value)
+ else
+ return true -- will be deleted by retry_interval
+ end
+end
+
+-- TAB: LogView (NEW) #############################################################################
+lv = ns:taboption("logview", DummyValue, "_logview")
+lv.template = "ddns/detail_logview"
+lv.inputtitle = translate("Read / Reread log file")
+lv.rows = 50
+function lv.cfgvalue(self, section)
+ local lfile=log_dir .. "/" .. section .. ".log"
+ if FS.access(lfile) then
+ return lfile .. "\n" .. translate("Please press [Read] button")
+ end
+ return lfile .. "\n" .. translate("File not found or empty")
+end
+
+return m
projects / project / luci.git / blobdiff