--[[
LuCI - Lua Configuration Interface
-shared module for luci-app-ddns-v2
+shared module for luci-app-ddns
Copyright 2014 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
function parse_url copied from https://svn.nmap.org/nmap/nselib/url.lua
module("luci.tools.ddns", package.seeall)
-require "luci.sys"
-require "nixio.fs"
+local NX = require "nixio"
+local NXFS = require "nixio.fs"
+local OPKG = require "luci.model.ipkg"
+local UCI = require "luci.model.uci"
+local SYS = require "luci.sys"
+local UTIL = require "luci.util"
+-- function to calculate seconds from given interval and unit
+function calc_seconds(interval, unit)
+ if not tonumber(interval) then
+ return nil
+ elseif unit == "days" then
+ return (tonumber(interval) * 86400) -- 60 sec * 60 min * 24 h
+ elseif unit == "hours" then
+ return (tonumber(interval) * 3600) -- 60 sec * 60 min
+ elseif unit == "minutes" then
+ return (tonumber(interval) * 60) -- 60 sec
+ elseif unit == "seconds" then
+ return tonumber(interval)
+ else
+ return nil
+ end
+end
+
+-- check if IPv6 supported by OpenWrt
function check_ipv6()
- return nixio.fs.access("/proc/net/ipv6_route")
- and nixio.fs.access("/usr/sbin/ip6tables")
+ return NXFS.access("/proc/net/ipv6_route")
+ and NXFS.access("/usr/sbin/ip6tables")
end
+-- check if Wget with SSL support or cURL installed
function check_ssl()
- if (luci.sys.call([[ grep -iq "\+ssl" /usr/bin/wget 2>/dev/null ]]) == 0) then
+ if (SYS.call([[ grep -iq "\+ssl" /usr/bin/wget 2>/dev/null ]]) == 0) then
return true
else
- return nixio.fs.access("/usr/bin/curl")
+ return NXFS.access("/usr/bin/curl")
end
end
+-- check if Wget with SSL or cURL with proxy support installed
function check_proxy()
-- we prefere GNU Wget for communication
- if (luci.sys.call([[ grep -iq "\+ssl" /usr/bin/wget 2>/dev/null ]]) == 0) then
+ if (SYS.call([[ grep -iq "\+ssl" /usr/bin/wget 2>/dev/null ]]) == 0) then
return true
-- if not installed cURL must support proxy
- elseif nixio.fs.access("/usr/bin/curl") then
- return (luci.sys.call([[ grep -iq all_proxy /usr/lib/libcurl.so* 2>/dev/null ]]) == 0)
+ elseif NXFS.access("/usr/bin/curl") then
+ return (SYS.call([[ grep -iq all_proxy /usr/lib/libcurl.so* 2>/dev/null ]]) == 0)
-- only BusyBox Wget is installed
else
- return nixio.fs.access("/usr/bin/wget")
+ return NXFS.access("/usr/bin/wget")
end
end
+-- check if BIND host installed
function check_bind_host()
- return nixio.fs.access("/usr/bin/host")
+ return NXFS.access("/usr/bin/host")
end
--- function to calculate seconds from given interval and unit
-function calc_seconds(interval, unit)
- if not tonumber(interval) then
- return nil
- elseif unit == "days" then
- return (tonumber(interval) * 86400) -- 60 sec * 60 min * 24 h
- elseif unit == "hours" then
- return (tonumber(interval) * 3600) -- 60 sec * 60 min
- elseif unit == "minutes" then
- return (tonumber(interval) * 60) -- 60 sec
- elseif unit == "seconds" then
- return tonumber(interval)
- else
- return nil
+-- convert epoch date to given format
+function epoch2date(epoch, format)
+ if not format or #format < 2 then
+ local uci = UCI.cursor()
+ format = uci:get("ddns", "global", "date_format") or "%F %R"
+ uci:unload("ddns")
end
+ format = format:gsub("%%n", "<br />") -- replace newline
+ format = format:gsub("%%t", " ") -- replace tab
+ return os.date(format, epoch)
+end
+
+-- read lastupdate from [section].update file
+function get_lastupd(section)
+ local uci = UCI.cursor()
+ local run_dir = uci:get("ddns", "global", "run_dir") or "/var/run/ddns"
+ local etime = tonumber(NXFS.readfile("%s/%s.update" % { run_dir, section } ) or 0 )
+ uci:unload("ddns")
+ return etime
end
-- read PID from run file and verify if still running
-function get_pid(section, run_dir)
- local pid = tonumber(nixio.fs.readfile("%s/%s.pid" % { run_dir, section } ) or 0 )
- if pid > 0 and not luci.sys.process.signal(pid, 0) then
+function get_pid(section)
+ local uci = UCI.cursor()
+ local run_dir = uci:get("ddns", "global", "run_dir") or "/var/run/ddns"
+ local pid = tonumber(NXFS.readfile("%s/%s.pid" % { run_dir, section } ) or 0 )
+ if pid > 0 and not NX.kill(pid, 0) then
pid = 0
end
+ uci:unload("ddns")
return pid
end
+-- read version information for given package if installed
+function ipkg_version(package)
+ if not package then
+ return nil
+ end
+ local info = OPKG.info(package)
+ local data = {}
+ local version = ""
+ local i = 0
+ for k, v in pairs(info) do
+ if v.Package == package and v.Status.installed then
+ version = v.Version
+ i = i + 1
+ end
+ end
+ if i > 1 then -- more then one valid record
+ return data
+ end
+ local sver = UTIL.split(version, "[%.%-]", nil, true)
+ data = {
+ version = version,
+ major = tonumber(sver[1]) or 0,
+ minor = tonumber(sver[2]) or 0,
+ patch = tonumber(sver[3]) or 0,
+ build = tonumber(sver[4]) or 0
+ }
+ return data
+end
+
-- replacement of build-in read of UCI option
-- modified AbstractValue.cfgvalue(self, section) from cbi.lua
-- needed to read from other option then current value definition
end
end
+-- replacement of build-in Flag.parse of cbi.lua
+-- modified to mark section as changed if value changes
+-- current parse did not do this, but it is done AbstaractValue.parse()
+function flag_parse(self, section)
+ local fexists = self.map:formvalue(
+ luci.cbi.FEXIST_PREFIX .. self.config .. "." .. section .. "." .. self.option)
+
+ if fexists then
+ local fvalue = self:formvalue(section) and self.enabled or self.disabled
+ local cvalue = self:cfgvalue(section)
+ if fvalue ~= self.default or (not self.optional and not self.rmempty) then
+ self:write(section, fvalue)
+ else
+ self:remove(section)
+ end
+ if (fvalue ~= cvalue) then self.section.changed = true end
+ else
+ self:remove(section)
+ self.section.changed = true
+ end
+end
+
-----------------------------------------------------------------------------
-- copied from https://svn.nmap.org/nmap/nselib/url.lua
-- @author Diego Nehab
projects / project / luci.git / blobdiff