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-- acf model for displaying logfiles recusivly
module (..., package.seeall)
-- no initializer in model - use controller.init for that
require("posix")
require("fs")
local function get_version()
local cmd = "snort -V 2>&1 | grep Version | sed 's/.*ersion\ /snort-/'"
local cmd_output = io.popen( cmd )
local cmd_output_result = cmd_output:read("*a") or ""
cmd_output:close()
return cmd_output_result
end
local is_running = function( process )
local statusreport = nil
local cmdoutput = {}
local cmd, error = io.popen("pidof " .. process ,r)
local cmdoutput = string.gsub(cmd:read("*a"), "%s", "")
cmd:close()
if (cmdoutput ~= "") then
statusreport = "Running"
else
statusreport = "Stopped"
end
return statusreport
end
-- ################################################################################
-- PUBLIC FUNCTIONS
getstatus = function (self)
local status = {}
local version = get_version()
status.version = version
local isrunning = is_running("snort")
status.status = isrunning
return status
end
service_control = function ( self, srvcmd )
local srvcmd = string.lower(srvcmd)
local retval = ""
local line = ""
if (srvcmd == "start") or (srvcmd == "stop") or (srvcmd == "restart") then
local file = io.popen( "PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin /etc/init.d/snort " .. srvcmd .. " 2>&1" )
if file ~= nil then
line = file:read( "*l" )
while line ~= nil do
retval = retval .. "\n" .. line
line = file:read( "*l" )
end
file:close()
end
else
retval = "Unknown command!"
end
return retval
end
read_alert = function ()
local alertfile = "/var/log/snort/alert"
local alerts = ""
local fileresult = {}
local fileresultcnt = ""
local presentation = {}
local presentationtable = {}
local liboutput = fs.read_file_as_array(alertfile)
if (liboutput) then
for k,v in ipairs(liboutput) do
local generator,signature,revision = string.match(v, "^.*%[%*%*%]%s*%[(%d*):(%d*):(%d*).*")
if (generator) and (signature) and (revision) then
if not (fileresult[generator..":"..signature..":"..revision]) then
fileresult[generator..":"..signature..":"..revision]={}
end
table.insert (fileresult[generator..":"..signature..":"..revision], v)
local tablemax = table.maxn(fileresult[generator..":"..signature..":"..revision])
fileresult[generator..":"..signature..":"..revision][tablemax]={}
fileresult[generator..":"..signature..":"..revision][tablemax]["classification"]=string.match(liboutput[k+1],"^.*%[.*lassification:%s*(.*)%]%s*%[") or "Classification: unknown"
fileresult[generator..":"..signature..":"..revision][tablemax]["priority"]=string.match(liboutput[k+1],"^.*%[.*lassification:%s*.*%]%s*%[(.*)%]") or "Priority: unknown"
fileresult[generator..":"..signature..":"..revision][tablemax]["count"]=tablemax
for i=0, 6 do
if liboutput[k+i] == "" then break end
if (liboutput[k+i-1]) then
if not (string.match(liboutput[k+i],"^%[Classification.*")) then
table.insert(fileresult[generator..":"..signature..":"..revision][tablemax],liboutput[k+i])
end
end
end
end
end
for k,v in pairs(fileresult) do
table.insert(presentation,v)
end
for i = 1, table.maxn(presentation) do
local maxn = table.maxn(presentation[i])
presentationtable[i] = presentation[i][maxn]
end
alerts = table.maxn(presentationtable)
else
alerts = "0"
end
return alerts,presentationtable
end
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