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-- hostname model methods
module (..., package.seeall)
require ("posix")
require ("fs")
-- no initializer in model - use controller.init for that
-- ################################################################################
-- LOCAL FUNCTIONS
local function read_file_as_array ( path )
local file, error = io.open(path)
if ( file == nil ) then
return nil, error
end
local f = {}
for line in file:lines() do
table.insert ( f , line )
end
file:close()
return f
end
local function is_cmdline(path, name)
local f = io.open(path.."/cmdline")
if f == nil then
return false
end
local line = f:read()
f:close()
if line == nil then
return false
end
local arg0 = string.gsub(line, string.char(0)..".*", "")
return posix.basename(arg0) == name
end
local is_running = function( process, parameters )
strsplit = require("split")
local retval = nil
local pidofsx,error = io.popen("pidof " .. process ,r)
local pidofs = strsplit(" ", pidofsx:read("*a"))
pidofsx:close()
if ( pidofs ~= nil ) then
for k,v in pairs(pidofs) do
local path = string.gsub("/proc/".. v .. "/cmdline", "%s", "")
local f = io.open(path)
local file_resultx = f:read("*a")
local file_result = string.match(file_resultx, parameters)
f:close()
if ( file_result ) then
retval = "Running"
end
end
end
return retval
end
local function has_init_script ( f )
local initprefix = "/etc/init.d/openvpn"
local file = initprefix .. "." .. f
if f ~= "openvpn" then
if ( fs.is_file(file)) then
init = "yes"
else
init = nil
end
else
if ( fs.is_file(initprefix)) then
init = "yes"
else
init = nil
end
end
return init
end
local function check_valid_config ( f )
conf_ca = ""
conf_auth = ""
conf_type = "server"
conf_cert = ""
conf_key = ""
conf_dev = ""
conf_proto = ""
conf_remote = ""
conf_dev = ""
local conf_file_content = read_file_as_array( "/etc/openvpn/".. f )
for i =1,table.maxn(conf_file_content) do
local lin = conf_file_content[i]
-- Filter out commented lines
if not string.find ( lin, "^[;#].*" ) then
-- The following code could probably de done much easier
-- Check for parameter of a valid configuration
if string.find ( lin, "^ca[%s \v]" ) then
conf_ca="ca"
end
if string.find ( lin, "^auth\-user\-pass[%s \v]" ) then
conf_auth="auth-user-pass"
end
if string.find ( lin, "^client[%s$]" ) then
conf_type = "client"
end
if string.find ( lin, "^cert[%s \v]" ) then
conf_cert = "cert"
end
if string.find ( lin, "^key[%s \v]" ) then
conf_key = "key"
end
if string.find ( lin, "^dev[%s \v]" ) then
conf_dev = "dev"
end
if string.find ( lin, "^proto[%s \v]" ) then
conf_proto = "proto"
end
if string.find ( lin, "^remote[%s \v]" ) then
conf_remote = "remote"
end
end
end
-- Check if config is invalid (missing parameters)
if conf_type == "client" then
if conf_dev == "" or conf_remote == "" then
conf_type="unknown"
end
else
if conf_dev == "" or conf_port == "" then
conf_type="unknown"
end
end
return conf_type
end
local function list_rootfolder()
local files , errstr, errno = posix.dir ( "/etc/openvpn/" )
return files
end
-- ################################################################################
-- PUBLIC FUNCTIONS
function openvpn_version()
local f,error = io.popen("/usr/sbin/openvpn --version")
openvpnversion = f:read("*l")
f:close()
return openvpnversion
end
function list_conffiles()
conlistfiles = {}
local files = list_rootfolder()
if files then
for a,b in ipairs(files) do
if string.match (b, "^.*conf$") then
local conf_type = check_valid_config ( b )
-- local init_script = is_running ( string.gsub(b, "(%w+)(\..*)", "%1") )
-- local init_script = string.gsub(b, "(%w+)(\..*)", "%1")
local init_script = is_running ("openvpn", b)
table.insert ( conlistfiles, cfe{ value = b, type = conf_type, init = init_script} )
end
end
return conlistfiles
end
end
get = function (self)
return list_conffiles()
end
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