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Migrates alerts to an object-oriented implementation

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This commit is contained in:
Matteo Biscosi 2020-12-22 14:46:26 +01:00
parent e24ef4ef35
commit bcf2c2c1ed
95 changed files with 1923 additions and 1522 deletions
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51
scripts/lua/modules/alert_definitions/alert_tcp_syn_scan.lua
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@ -2,14 +2,43 @@
-- (C) 2019-20 - ntop.org
--
local json = require("dkjson")
-- ##############################################
local alert_keys = require "alert_keys"
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
local json = require("dkjson")
local alert_creators = require "alert_creators"
local format_utils = require "format_utils"
-- Import the classes library.
local classes = require "classes"
-- Make sure to import the Superclass!
local alert = require "alert"
-- ##############################################
local function formatSynScan(ifid, alert, threshold_info)
local alert_tcp_syn_scan = classes.class(alert)
-- ##############################################
alert_tcp_syn_scan.meta = {
alert_key = alert_keys.ntopng.alert_tcp_syn_scan,
i18n_title = "alerts_dashboard.tcp_syn_scan",
icon = "fas fa-life-ring",
}
-- ##############################################
function alert_tcp_syn_scan:init(metric, value, operator, threshold)
-- Call the paren constructor
self.super:init()
self.alert_type_params = alert_creators.createThresholdCross(metric, value, operator, threshold)
end
-- #######################################################
function alert_tcp_syn_scan.format(ifid, alert, alert_type_params)
local alert_consts = require("alert_consts")
local entity = alert_consts.formatAlertEntity(ifid, alert_consts.alertEntityRaw(alert["alert_entity"]), alert["alert_entity_val"])
@ -17,25 +46,19 @@ local function formatSynScan(ifid, alert, threshold_info)
return i18n("alert_messages.syn_scan_attacker", {
entity = firstToUpper(entity),
host_category = format_utils.formatAddressCategory((json.decode(alert.alert_json)).alert_generation.host_info),
value = string.format("%u", math.ceil(threshold_info.value)),
threshold = threshold_info.threshold,
value = string.format("%u", math.ceil(alert_type_params.value)),
threshold = alert_type_params.threshold,
})
else
return i18n("alert_messages.syn_scan_victim", {
entity = firstToUpper(entity),
host_category = format_utils.formatAddressCategory((json.decode(alert.alert_json)).alert_generation.host_info),
value = string.format("%u", math.ceil(threshold_info.value)),
threshold = threshold_info.threshold,
value = string.format("%u", math.ceil(alert_type_params.value)),
threshold = alert_type_params.threshold,
})
end
end
-- ##############################################
-- #######################################################
return {
alert_key = alert_keys.ntopng.alert_tcp_syn_scan,
i18n_title = "alerts_dashboard.tcp_syn_scan",
i18n_description = formatSynScan,
icon = "fas fa-life-ring",
creator = alert_creators.createThresholdCross,
}
return alert_tcp_syn_scan