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module (..., package.seeall)
--require("date")
--require("posix")
require("format")
require("fs")
require("procps")
require("getopts")
require("daemoncontrol")
local configfile = "/etc/ntpd.conf"
local confdfile = "/etc/conf.d/ntpd"
local processname = "openntpd"
-- ################################################################################
-- LOCAL FUNCTIONS
-- This function is used to get config_content.
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*).*$" )
if (a) then
if not (config[string.lower(a)]) then
config[string.lower(a)] = {}
end
if (string.lower(a) == "listen") then
table.insert (config[string.lower(a)], {value=c} )
else
table.insert (config[string.lower(a)], {value=b} )
end
end
end
end
return config
end
local function get_version ()
local f,error = io.popen("/sbin/apk_version -v -s openntpd")
local programversion = f:read("*a")
f:close()
return programversion
end
local function last_time_change()
local cmdoutput = {}
local cmd, error = io.popen("cat /var/log/messages | grep ntpd | grep adjusting | tail -1" ,r)
local cmdoutput1,cmdoutput2 = string.match(cmd:read("*a"), "^%s*(%S+%s+%S+%s+%S+%s+).*: (.*)$")
cmd:close()
cmdoutput1 = cmdoutput1 or "(Have no data on updates)"
cmdoutput2 = cmdoutput2 or ""
return cmdoutput1 .. cmdoutput2
end
-- 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 function addremove_opts( 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 function addremove_config( 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)
local cmdoutput = nil
if (addremove == "delete" ) then
cmdtxt = "/bin/sed -i '/" .. variable .. "/d' " .. file
local cmd, error = io.popen ( cmdtxt )
cmdoutput = cmd:read("*a")
cmd:close()
elseif (addremove == "add" ) then
cmdtxt = "/bin/echo '" .. variable .. "' >> " .. file
local cmd, error = io.popen ( cmdtxt )
cmdoutput = cmd:read("*a")
cmd:close()
end
if (cmdoutput) then
cmdresult = "Config is modified! (" .. cmdtxt .. ")"
end
return cmdresult
end
-- ################################################################################
-- PUBLIC FUNCTIONS
function startstop_service ( self, state )
return daemoncontrol.daemoncontrol("ntpd", state)
end
function modify_config (self, addremove, file, variable)
if (file == nil) then file = configfile end
-- See to that only *my* configs are modyfied.
if (file == configfile) or (file == confdfile) 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 == configfile) or (file == confdfile) 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 getstatus ()
local path = configfile
local status = {}
if not (fs.is_file(path)) then
local file_result,err = fs.write_file(path, "")
end
status["version"] = string.match(get_version(), "^(%S*)" )
status["date"] = os.date()
status["enabled"] = procps.pidof("ntpd")
status["setstimeonstartup"] = getopts.getoptsfromfile(confdfile,"NTPD_OPTS", "-s")
status["listenstate"] = server
status["timechanged"] = last_time_change()
return status
end
function getconfig ()
local path = configfile
local config = {}
config = getopts.getoptsfromfile(confdfile)
config["variables"] = config_content(path)
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_filedetails()
local filedetails = {}
local path = configfile
filedetails.details = fs.stat(path)
filedetails.content = fs.read_file(path)
return filedetails
end
function update_filecontent (self, modifications)
local path = configfile
local file_result,err = fs.write_file(path, format.dostounix(modifications))
return file_result
end
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