diff options
Diffstat (limited to 'applications/luci-ddns/luasrc/tools/ddns.lua')
| -rw-r--r-- | applications/luci-ddns/luasrc/tools/ddns.lua | 141 |
1 files changed, 112 insertions, 29 deletions
diff --git a/applications/luci-ddns/luasrc/tools/ddns.lua b/applications/luci-ddns/luasrc/tools/ddns.lua index 4172d84ae1..8d56c92a16 100644 --- a/applications/luci-ddns/luasrc/tools/ddns.lua +++ b/applications/luci-ddns/luasrc/tools/ddns.lua @@ -1,7 +1,7 @@ --[[ 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 @@ -18,67 +18,128 @@ You may obtain a copy of the License at 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 @@ -103,6 +164,28 @@ function read_value(self, section, option) 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 |