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-- acf model for displaying logfiles recusivly
module (..., package.seeall)
-- no initializer in model - use controller.init for that
require("fs")
require("posix")
require("procps")
require("daemoncontrol")
require("format")
local processname = "snort"
local configfile = "/etc/snort/snort.conf"
-- ################################################################################
-- LOCAL FUNCTIONS
local function get_version()
local cmd = "/sbin/apk_version -v -s " .. processname .. " | cut -d ' ' -f 1"
local cmd_output = io.popen( cmd )
local cmd_output_result = cmd_output:read("*a") or ""
cmd_output:close()
return cmd_output_result
end
-- ################################################################################
-- PUBLIC FUNCTIONS
function getstatus ()
local status = {}
status.version = cfe({
name = "version",
label="Program version",
value=get_version(),
})
status.status = cfe({
name="status",
label="Program status",
value=procps.pidof(processname) or "",
})
return status
end
function get_filedetails()
local path = configfile
local filedetails = fs.stat(path)
local file = {}
file["filename"] = cfe({
name="filename",
label="File name",
value=path,
})
file["filesize"] = cfe({
name="filesize",
label="File size",
value=filedetails.size or 0,
})
file["mtime"] = cfe({
name="mtime",
label="File date",
value=filedetails.mtime or "---",
})
file["filecontent"] = cfe({
type="longtext",
name="filecontent",
label="File content",
value=fs.read_file(path),
})
return file
end
-- action should be a CFE
function startstop_service ( self, action )
local cmd = action.value
local cmdresult,cmdmessage,cmderror,cmdaction = daemoncontrol.daemoncontrol("snort", cmd)
action.descr=cmdmessage
action.errtxt=cmderror
-- Reporting back (true|false, the original acition)
return cmdresult,action
end
function read_alert()
local alertfile = "/var/log/snort/alert"
local alertcount = 0
local alertpriority = {}
local alertprioritytmp = ""
local priority = ""
local classification = ""
local currid = ""
local prevrid = ""
local count = {}
local liboutput = fs.read_file_as_array(alertfile)
if (liboutput) then
for k,v in ipairs(liboutput) do
--DEBUG
--if (k == 1) then break end
currid = string.match(v, "^.*%[%*%*%]%s*%[(%d+:%d+:%d+)%].*")
if (currid) then
local priority = string.match(liboutput[k+1],"^.*%[.*lassification:%s*.*%]%s*%[(.*)%]") or "Priority: Unknown"
local classification = string.match(liboutput[k+1],"^.*%[.*lassification:%s*(.*)%]%s*%[") or "Classification: Unknown"
if (alertpriority[priority] == nil) then
alertpriority[priority] = {}
end
if (alertpriority[priority][classification] == nil) then
alertpriority[priority][classification] = {}
end
alertpriority[priority][classification][currid] = {}
if (alertpriority[priority][classification][currid]["value"] == nil) then
alertpriority[priority][classification][currid]["value"] = {}
end
if (alertpriority[priority][classification][currid]["url"] == nil) then
alertpriority[priority][classification][currid]["url"] = {}
end
-- COUNTER
if not (count[priority..classification..currid]) then
count[priority..classification..currid] = 0
end
count[priority..classification..currid] = count[priority..classification..currid] + 1
alertpriority[priority][classification][currid]["count"] = count[priority..classification..currid]
for i=0, 10 do
local rowvalue = liboutput[k+i]
if (rowvalue == "") then
break
end
if (rowvalue) and (string.match(rowvalue, "%[Xref.*") == nil) and (string.match(rowvalue, "%[Classification.*") == nil)then
table.insert(alertpriority[priority][classification][currid]["value"],rowvalue)
elseif (rowvalue) and (string.match(rowvalue, "%[Xref.*") ~= nil) then
for v in string.gmatch(rowvalue, "%[Xref%s+%=%>%s+(.-)%]") do
table.insert(alertpriority[priority][classification][currid]["url"],v)
end
end
end
alertcount = alertcount + 1
end
end
end
--Start sorting priority-table
local sorted_table = {}
for n in pairs(alertpriority) do
table.insert(sorted_table, {name=n, value=alertpriority[n]})
end
table.sort(sorted_table, function(a,b) return (a.name < b.name) end)
return alertcount,sorted_table
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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