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module (..., package.seeall)
require("format")
require("date")
require("fs")
require("posix")
local ntpdconfig = "/etc/ntpd.conf"
local ntpdconfd = "/etc/conf.d/ntpd"
local progname = "openntpd"
local function config_content( f )
local config = {}
config.name = f
local conf_file = fs.read_file_as_array ( config.name )
for i=1,table.maxn(conf_file) do
local l = conf_file[i]
-- Filter out commented lines
if not string.find ( l, "^[;#].*" ) then
local a,b,c = string.match ( l, "^%s*(%S+)%s*(%S*)%s*(%S*).*$" )
if (a) then
if not (config[string.lower(a)]) then
config[string.lower(a)] = {}
end
if (string.lower(a) == "listen") then
table.insert (config[string.lower(a)], {value=c} )
else
table.insert (config[string.lower(a)], {value=b} )
end
end
end
end
return config
end
local function file_info ( path )
require("posix")
local filedetails = posix.stat(path)
filedetails["owner"]=rawget((posix.getpasswd(filedetails["uid"])),"name")
filedetails["group"]=rawget((posix.getgroup(filedetails["gid"])),"name")
filedetails["atimelong"]=os.date("%c", filedetails["atime"])
filedetails["mtimelong"]=os.date("%c", filedetails["mtime"])
filedetails["longname"]=path
filedetails["name"]=basename(path)
if ( filedetails["size"] > 1073741824 ) then
filedetails["size"]=((filedetails["size"]/1073741824) - (filedetails["size"]/1073741824%0.1)) .. "G"
elseif ( filedetails["size"] > 1048576 ) then
filedetails["size"]=((filedetails["size"]/1048576) - (filedetails["size"]/1048576%0.1)) .. "M"
elseif ( filedetails["size"] > 1024 ) then
filedetails["size"]=((filedetails["size"]/1024) - (filedetails["size"]/1024%0.1)) .. "k"
else
filedetails["size"]=filedetails["size"]
end
return filedetails
end
local function get_version ()
local f,error = io.popen("/sbin/apk_version -v -s openntpd")
local programversion = f:read("*a")
f:close()
return programversion
end
local is_running = function( process )
local statusreport = nil
local cmdoutput = {}
local cmd, error = io.popen("pidof " .. process ,r)
local cmdoutput = string.gsub(cmd:read("*a"), "%s", "")
cmd:close()
if (cmdoutput ~= "") then
statusreport = "Running"
else
statusreport = "Stopped"
end
return statusreport
end
local last_time_change = function()
local cmdoutput = {}
local cmd, error = io.popen("cat /var/log/messages | grep ntpd | grep adjusting | tail -1" ,r)
local cmdoutput1,cmdoutput2 = string.match(cmd:read("*a"), "^%s*(%S+%s+%S+%s+%S+%s+).*: (.*)$")
cmd:close()
cmdoutput1 = cmdoutput1 or "(Have no data on updates)"
cmdoutput2 = cmdoutput2 or ""
return cmdoutput1 .. cmdoutput2
end
local get_confdopts = function(search)
local opts = {}
local searchresult = nil
local conf_file = fs.read_file_as_array ( ntpdconfd )
for i=1,table.maxn(conf_file) do
local l = conf_file[i]
-- Filter out commented lines
if not string.find ( l, "^[;#].*" ) then
local a = string.match ( l, "^%s*(%S+)%=" )
if (a) then
if not (opts[string.lower(a)]) then
opts[string.lower(a)] = {}
end
local b = string.gsub(string.match ( l, '^%s*%S+%=(.*)' ), '"', '')
for i=1,table.maxn(format.string_to_table(" ", b)) do
local option = rawget(format.string_to_table(" ", b),i)
table.insert (opts[string.lower(a)], i, option)
if (option == search) then
searchresult = "Yes"
end
end
end
end
end
return opts,searchresult
end
-- This function needs:
-- addremove = [add|remove]
-- file = Path to the file
-- variable = e.g. "NTPD_OPTS"
-- option = What value to look for to add or remove from the variable.
local addremove_opts = function ( addremove, file, variable, option )
if (string.lower(addremove) == "remove" ) then
cmdtxt = "/bin/sed -i 's/\\(" .. variable .. ".*\\)" .. option .. "/\\1/' " .. file
local cmd, error = io.popen ( cmdtxt )
local cmdoutput = cmd:read("*a")
cmd:close()
-- Cleanup the variable by removing unneccesary blanks
cmdtxt = "/bin/sed -i 's/\\\"\\ /\\\"/g' " .. file
cmdtxt = cmdtxt .. ";/bin/sed -i 's/\\ \\\"/\\\"/g' " .. file
local cmd, error = io.popen ( cmdtxt )
cmd:close()
elseif (string.lower(addremove) == "add" ) then
cmdtxt = "/bin/sed -i 's/\\(" .. variable .. ".*\\)\\\"/\\1" .. option .. " \\\"/' " .. file
local cmd, error = io.popen ( cmdtxt )
local cmdoutput = cmd:read("*a")
cmd:close()
end
return cmdtxt
end
local addremove_config = function ( addremove, file, variable )
-- Notes on known/unknown bugs: Remove 'server www.test.org' wont work if config has multiple space/tab e.g. 'server www.test.org'
-- FIXME: Make num-space unsensetive.
-- FIXME: Can hold multiple rows with same values (when deleting... every equal row is deleted)
if (string.lower(addremove) == "delete" ) then
cmdtxt = "/bin/sed -i '/" .. variable .. "/d' " .. file
local cmd, error = io.popen ( cmdtxt )
local cmdoutput = cmd:read("*a")
cmd:close()
elseif (string.lower(addremove) == "add" ) then
cmdtxt = "/bin/echo '" .. variable .. "' >> " .. file
local cmd, error = io.popen ( cmdtxt )
local cmdoutput = cmd:read("*a")
cmd:close()
end
return cmdtxt
end
-- ################################################################################
-- PUBLIC FUNCTIONS
function startstop_service ( self, state )
local status = {}
-- This is a strange hack to get the init.d script working
local f,err = io.popen("PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin /etc/init.d/ntpd " .. state)
local config = f:read("*a")
f:close()
if (config == "") then
config = "OK!"
end
status.status = config
return status
end
function modify_config (self, addremove, file, variable, opts)
if (file == nil) then file = ntpdconfig end
-- See to that only *my* configs are modyfied.
if (file == ntpdconfig) or (file == ntpdconfd) then
return addremove_config(addremove, file, variable)
end
end
function modify_opts (self, addremove, file, variable, opts)
-- See to that only *my* configs are modyfied.
if (file == ntpdconfig) or (file == ntpdconfd) then
-- See to that the variable/option only exists once
if (addremove == "add") then
local remove = addremove_opts( "remove", file, variable, opts )
end
local remove = addremove_opts( addremove, file, variable, opts )
end
end
function get ()
local path = ntpdconfig
local config = {}
if not (fs.is_file(path)) then
local file_result,err = fs.write_file(path, "")
end
local startstop = is_running ("ntpd")
local config = config_content ( path )
if (config["listen"]) then
server = "Yes"
else
server = "No"
end
config["version"] = string.match(get_version(), "^(%S*)" )
config["date"] = os.date()
config["status"] = startstop
config["confd"],config["setstimeonstartup"] = get_confdopts("-s")
config["listenstate"] = server
config["timechanged"] = last_time_change()
config["timezone"] = date.what_tz()
return config
end
function get_logfile ()
local me = {}
local cmdtxt = "cat /var/log/messages | grep ntpd"
local cmd, error = io.popen(cmdtxt ,r)
local cmdoutput = cmd:read("*a")
cmd:close()
me.value = cmdoutput
me.cmd = cmdtxt
return me
end
function get_filecontent (self)
local path = ntpdconfig
local file_content = get()
if (fs.is_file(path)) then
local filedetails = file_info(path)
local configstatus = get()
local file = io.open( path )
local file_result = file:read("*a") or "unknown"
file_content["filedetails"]=filedetails
file_content["value"]=file_result
file:close()
else
file_content = {value="", errtxt="File is missing, but will be created when you save your new settings",filedetails={longname=path, size="0", mtimelong=""}}
end
return file_content
end
function update_filecontent (self, modifications)
local path = ntpdconfig
local file_result,err = fs.write_file(path, format.dostounix(modifications))
file_content = get_filecontent()
return file_content
end
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