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module(..., package.seeall)
-- Load libraries
require("modelfunctions")
require("format")
require("fs")
require("validator")
-- Set variables
local configfile = "/etc/chrony/chrony.conf"
local processname = "chronyd"
local packagename = "chrony"
local keyfile = "/etc/chrony/chrony.keys"
local path = "PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin "
-- ################################################################################
-- LOCAL FUNCTIONS
function validate_config(config)
local success = true
for i,val in ipairs(config.value.server.value) do
if string.find(val, "[^%w%s.-]") then
config.value.server.errtxt = "Invalid entry on line "..i
success = false
break
end
end
for i,val in ipairs(config.value.allow.value) do
if string.find(val, "[^%w%s.-/]") then
config.value.allow.errtxt = "Invalid entry on line "..i
success = false
break
end
end
if not validator.is_valid_filename(config.value.driftfile.value) then
config.value.driftfile.errtxt = "Invalid file name"
success = false
end
if not validator.is_valid_filename(config.value.keyfile.value) then
config.value.keyfile.errtxt = "Invalid file name"
success = false
end
if not validator.is_integer(config.value.commandkey.value) then
config.value.commandkey.errtxt = "Must be an integer"
success = false
end
return success, config
end
-- ################################################################################
-- PUBLIC FUNCTIONS
function startstop_service(action)
return modelfunctions.startstop_service(processname, action)
end
function getstatus()
return modelfunctions.getstatus(processname, packagename, "Chrony Status")
end
function getdetails()
local details = {}
details.time = cfe({ value=os.date(), label="Current Time" })
details.sources = cfe({ type="longtext", value="Unavailable", label="Sources" })
details.sourcestats = cfe({ type="longtext", value="Unavailable", label="Source Stats" })
details.tracking = cfe({ type="longtext", value="Unavailable", label="Tracking" })
local pid = processinfo.pidof(processname)
if pid and #pid > 0 then
local cmd = path.."chronyc sources"
local f = io.popen(cmd)
details.sources.value = f:read("*a") or ""
f:close()
cmd = path.."chronyc sourcestats"
f = io.popen(cmd)
details.sourcestats.value = f:read("*a") or ""
f:close()
cmd = path.."chronyc tracking"
f = io.popen(cmd)
details.tracking.value = f:read("*a") or ""
f:close()
end
return cfe({ type="group", value=details, label="Chrony Status Details" })
end
function get_config()
local output = {}
output.server = cfe({ type="list", value={}, label="Servers", descr="List of NTP servers by name or IP (ie. 0.pool.ntp.org). If infrequent Internet connection, follow name/IP with 'offline'." })
output.allow = cfe({ type="list", value={}, label="Allow", descr="List of allowed clients by name/subnet/IP or 'all'."})
output.driftfile = cfe({ label="Drift File", descr="Name of drift file (ie. /var/log/chrony/chrony.drift)" })
output.keyfile = cfe({ label="Key File", descr="Name of key file (ie. /etc/chrony/chrony.keys)" })
output.commandkey = cfe({ label="Command Key", descr="Number of key in Key File for commands." })
local config = format.parse_linesandwords(fs.read_file(configfile), "[!;#%%]")
if config then
for i,entry in ipairs(config) do
if output[entry[1]] then
if type(output[entry[1]].value) == "table" then
table.insert(output[entry[1]].value, table.concat(entry, " ", 2))
else
output[entry[1]].value = table.concat(entry, " ", 2)
end
end
end
end
return cfe({ type="group", value=output, label="Chrony Config" })
end
function update_config(config)
local success, config = validate_config(config)
if success then
for name,val in pairs(config.value) do
if type(val.value) == "table" then
if #val.value > 0 then
val.line = name.." "..table.concat(val.value, "\n"..name.." ")
end
else
if val.value ~= "" then
val.line = name .. " " .. val.value
end
end
end
local lines = fs.read_file_as_array(configfile) or {}
local conf = format.parse_linesandwords(lines, "[!;#%%]")
for i,entry in ipairs(conf) do
if config.value[entry[1]] then
if config.value[entry[1]].line then
lines[entry.linenum] = config.value[entry[1]].line
else
lines[entry.linenum] = nil
end
config.value[entry[1]].line = nil
end
end
-- remove the holes in the lines array (sparse array due to removing entries)
local newlines = {}
for i=1,table.maxn(lines) do
table.insert(newlines, lines[i])
end
-- add in missing entries to end
for name,val in pairs(config.value) do
if val.line then
newlines[#newlines+1] = val.line
val.line = nil
end
end
fs.write_file(configfile, table.concat(newlines, "\n"))
else
config.errtxt = "Failed to save config"
end
return config
end
function get_filedetails()
-- FIXME validate
return modelfunctions.getfiledetails(configfile)
end
function update_filedetails(filedetails)
-- FIXME validate
return modelfunctions.setfiledetails(filedetails, {configfile})
end
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