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module(..., package.seeall)
require("procps")
require("getopts")
require("fs")
local configdir
local datafile
local configfiles = {}
local configitems = {}
local processname = "tinydns"
local configfile = "/etc/conf.d/" .. processname
local initdoptions = getopts.getoptsfromfile_onperline("/etc/init.d/" .. processname)
if (initdoptions) then
configdir = initdoptions.DATADIR
datafile = initdoptions.ROOT .. "/data" or "/var/cache/data"
else
configdir = "/etc/" .. processname
datafile = "/var/cache/data"
end
-- ################################################################################
-- LOCAL FUNCTIONS
local function get_version()
local cmd_output_result, cmd_output_error
local cmd = "/sbin/apk_version -vs " .. processname .." 2>/dev/null"
local f = io.popen( cmd )
local cmdresult = f:read("*l")
if (cmdresult) and (#cmdresult > 0) then
cmd_output_result = string.match(cmdresult,"^%S*") or "Unknown"
else
cmd_output_error = "Program not installed"
end
f:close()
return cmd_output_result,cmd_output_error
end
--[[
-- This function could be used to check that valid parameters are used in different places
local function check_signs(sign)
local output = {}
local output = {prefix={"Z", "&", "=", "+", "@", "C",}}
output = output[sign]
return output
end
--]]
-- Return a table with the config-content of a file
-- Commented/Blank lines are ignored
local function get_value_from_file(file)
local output = {}
local filecontent = fs.read_file_as_array(file)
for i=1,table.maxn(filecontent) do
local l = filecontent[i]
if not (string.find ( l, "^[;#].*" )) and not (string.find (l, "^%s*$")) then
table.insert(output, string.match(l,"(.-)%s*$"))
end
end
if (#output > 0) then
return true, output
else
return false, output
end
end
-- Function to recursively inserts all filenames in a dir into an array
local function recursedir(path, filearray)
local k,v
for k,v in pairs(posix.dir(path) or {}) do
-- Ignore files that begins with a '.'
if not string.match(v, "^%.") then
local f = path .. "/" .. v
-- If subfolder exists, list files in this subfolder
if (posix.stat(f).type == "directory") then
recursedir(f, filearray)
else
table.insert(filearray, f)
end
end
end
end
-- Feed the configfiles table with list of all availage configfiles
local function searchforconfigfiles()
local cnffile = {}
recursedir(configdir, cnffile)
for k,v in pairs(cnffile) do
local configcontent = get_value_from_file(v)
if (configcontent) then
table.insert(configfiles, v)
end
end
end
searchforconfigfiles()
-- ################################################################################
-- PUBLIC FUNCTIONS
-- Present some general status
function getstatus()
local status = {}
local version,versionerrtxt = get_version()
status.version = cfe({ name = "version",
label="Program version",
value=version,
errtxt=versionerrtxt,
})
status.status = cfe({ name="status",
label="Program status",
value=procps.pidof(processname),
})
return status
end
-- Return config-information
function getconfig()
local config = {}
local version,versionerrtxt = get_version()
local listenaddr = getopts.getoptsfromfile_onperline(configfile,"IP") or {}
config.listen = cfe({
name = "listen",
label="IP address to listen on",
value=listenaddr.IP or "",
})
return config
end
-- ################################################################################
-- DEBUG INFORMATION (Everything below will be deleted in the future)
function getdebug()
local debug = {}
--[[
local signs = get_available_signs("prefix") or {}
debug.debugprefixes = cfe({
name = "debugprefixes",
label="Available prefixes",
option=signs,
type="select",
size=table.maxn(signs)+1,
})
local signs = get_available_signs("suffix") or {}
debug.debugsuffixes = cfe({
name = "debugsuffixes",
label="Available suffixes",
option=signs,
type="select",
size=table.maxn(signs)+1,
})
--]]
debug.configdir = cfe({
name = "configdir",
label="configdir",
value=configdir,
})
debug.datafile = cfe({
name = "datafile",
label="datafile",
value=datafile,
})
for k,v in pairs(configfiles) do
local cnfcontent
fake, cnfcontent = get_value_from_file(v)
for kk,vv in pairs(cnfcontent) do
table.insert(configitems,vv)
end
end
debug.configitems = cfe({
name = "configitems",
label="configitems",
option=configitems,
type="select",
})
debug.configfiles = cfe({
name = "configfiles",
label="configfiles",
option=configfiles,
type="select",
})
return debug
end
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