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module(..., package.seeall)
-- Load libraries
require("modelfunctions")
require("fs")
require("format")
-- Set variables
local configfile = "/etc/shorewall/shorewall.conf"
local processname = "shorewall"
local packagename = "shorewall"
local baseurl = "/etc/shorewall/"
--[[
local config = {}
-- ################################################################################
-- LOCAL FUNCTIONS
local function read_config(file)
local path = baseurl .. file
if not (fs.is_file(path)) then
return {}
end
local filecontent = fs.read_file_as_array(path) or {}
local output = {}
for k,v in pairs(filecontent) do
if not string.find ( v, "^[;#].*" ) and not (string.find (v, "^%s*$")) then
local details = {}
for v in string.gmatch(v, "%S+") do
table.insert(details, v)
end
table.insert(output, details)
end
end
return output
end
local function addremove_config( addremove, file, value, orgvalue )
filepath = baseurl .. file
local cmdoutput
-- Check if we are about to change a valid filename
local isvalidfile
for k,v in pairs(getfilelist()) do
isvalidfile = true
if (v.value == filepath) then
break
end
isvalidfile = false
end
if not (fs.is_file(filepath)) or not (isvalidfile) then
return false, cfe({
name="model:addremove_config()",
errtxt="'" .. filepath .. "' is not a valid file!",
})
end
if not (type(value) == "table") then
return false, cfe({
name="model:addremove_config()",
errtxt="Value should come as an array!",
})
end
local filecontentarray = fs.read_file_as_array(filepath) or {}
if (addremove == "delete" ) then
local modifyrow
local orgrecordtable = {}
for word in string.gmatch(orgvalue, "%S+") do
table.insert(orgrecordtable, word)
end
for i=1, #filecontentarray do
local recordtable = {}
for word in string.gmatch(filecontentarray[i], "%S+") do
table.insert(recordtable, word)
end
if (table.concat(recordtable) == table.concat(orgrecordtable)) then
modifyrow = i
end
end
if (tonumber(modifyrow)) then
table.remove(filecontentarray, modifyrow)
fs.write_file(filepath, table.concat(filecontentarray, "\n"))
return true, cfe({
name="model:addremove_config()",
descr="* Record was successfully deleted!",
})
else
return false, cfe({
name="model:addremove_config()",
errtxt="Record was not deleted!",
})
end
elseif (addremove == "add" ) then
--Check if such record already exists
for k,v in pairs(filecontentarray) do
if not string.find ( v, "^[;#].*" ) then
local recordtable = {}
for word in string.gmatch(v, "%S+") do
table.insert(recordtable, word)
end
if (table.concat(recordtable) == table.concat(value)) then
return false, cfe({
name="model:addremove_config()",
errtxt="The config already holds this kind of config!",
})
end
end
end
table.insert(filecontentarray, (#filecontentarray), table.concat(value, "\t"))
fs.write_file(filepath, table.concat(filecontentarray, "\n"))
return true, cfe({
name="model:addremove_config()",
descr="* Record was successfully added!",
})
elseif (addremove == "modify" ) then
local modifyrow
local orgrecordtable = {}
for word in string.gmatch(orgvalue, "%S+") do
table.insert(orgrecordtable, word)
end
for i=1, #filecontentarray do
local recordtable = {}
for word in string.gmatch(filecontentarray[i], "%S+") do
table.insert(recordtable, word)
end
if (table.concat(recordtable) == table.concat(orgrecordtable)) then
modifyrow = i
end
end
if (tonumber(modifyrow)) then
table.remove(filecontentarray, modifyrow)
table.insert(filecontentarray, modifyrow, table.concat(value, "\t"))
fs.write_file(filepath, table.concat(filecontentarray, "\n"))
return true, cfe({
name="model:addremove_config()",
descr="* Record was successfully modified!",
})
else
return false, cfe({
name="model:addremove_config()",
errtxt="Record was not modified!",
})
end
else
return false, cfe({
name="model:addremove_config()",
errtxt="Wrong usage of this function! Available options are [add|delete|modify]. You chose '" .. addremove .. "'",
})
end
return false, cfe({
name="model:addremove_config()",
errtxt="Something went wrong!",
debug=value,
})
end
--]]
-- ################################################################################
-- PUBLIC FUNCTIONS
function getstatus()
local status = modelfunctions.getstatus(processname, packagename, "Shorewall Status")
local details = getstatusdetails()
if string.match(details.value, "Shorewall is running") then
status.value.status.value = "Running"
else
status.value.status.value = "Stopped"
end
return status
end
function getstatusdetails()
local f = io.popen("/sbin/shorewall status 2>%1")
local programstate = f:read("*a") or ""
f:close()
return cfe({ value=programstate, label="Shorewall status report" })
end
function startstop_service(action)
return modelfunctions.startstop_service(processname, action)
end
function configcheck ()
local checkresult = {">> Check starts at: " .. os.date() .. "\n"}
local f = io.popen("/etc/init.d/shorewall check 2>&1")
checkresult[2] = f:read("*a") or ""
f:close()
checkresult[3] = ">> Check stops at: "..os.date()
return cfe({ type="longtext", value=table.concat(checkresult, "\n"), label="Result of checking config" })
end
function getlogfile ()
local logfilepath = format.parse_ini_file(fs.read_file(configfile) or "","","LOGFILE") or ""
return cfe({ value=logfilepath, label="Shorewall logfile" })
end
function getfilelist ()
local listed_files = {}
if fs.is_dir(baseurl) then
for name in posix.files(baseurl) do
if not string.match(name, "^%.") and not string.match(name, "^Makefile") then
local filedetails = fs.stat(baseurl .. name)
table.insert ( listed_files , {filename=baseurl..name, mtime=filedetails.mtime, filesize=filedetails.size} )
end
end
end
table.sort(listed_files, function (a,b) return (a.filename < b.filename) end )
return cfe({ type="list", value=listed_files, label="Shorewall File List" })
end
local function is_valid_filename(filename)
local available_files = getfilelist()
for i,file in ipairs(available_files.value) do
if file.filename == filename then
return true
end
end
return false
end
function getfiledetails(filename)
return modelfunctions.getfiledetails(filename, is_valid_filename)
end
function updatefiledetails (filedetails)
return modelfunctions.setfiledetails(filedetails, is_valid_filename)
end
--[[
function modify_config(self, addremove, file, value, orgvalue )
return addremove_config(addremove, file, value, orgvalue )
end
function getconfig()
local config = {}
config.params = cfe({
name = "params",
label="List of parameters",
type="select",
option={},
})
for k,v in pairs(read_config("params")) do
table.insert(config.params.option, v[1])
end
config.params.size=#config.params.option + 1
config.interfaces = cfe({
name = "interfaces",
label="List of interfaces",
type="select",
option=read_config("interfaces"),
})
config.zones = cfe({
name = "zones",
label="List of zones",
type="select",
option=read_config("zones"),
})
config.policy = cfe({
name = "policy",
label="List of policy",
type="select",
option=read_config("policy"),
})
config.rules = cfe({
name = "rules",
label="List of rules",
type="select",
option=read_config("rules"),
})
config.masq = cfe({
name = "masq",
label="List of rules",
type="select",
option=read_config("masq"),
})
return config
end
function get_defined_zones ()
local output = {}
for k,v in pairs(read_config("zones")) do
table.insert(output, string.match(v, "^%s*(%S*)"))
end
return output
end
--]]
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