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--
-- (C) 2019-22 - ntop.org
--
-- ##############################################
local flow_alert_keys = require "flow_alert_keys"
-- Import the classes library.
local classes = require "classes"
-- Make sure to import the Superclass!
local alert = require "alert"
-- ##############################################
local alert_device_protocol_not_allowed = classes.class(alert)
-- ##############################################
alert_device_protocol_not_allowed.meta = {
alert_key = flow_alert_keys.flow_alert_device_protocol_not_allowed,
i18n_title = "alerts_dashboard.suspicious_device_protocol",
icon = "fas fa-fw fa-exclamation",
has_attacker = true,
}
-- ##############################################
-- @brief Prepare an alert table used to generate the alert
-- @param cli_devtype A string with the device type of the client
-- @param srv_devtype A string with the device type of the server
-- @param devproto_forbidden_peer A string with the forbidden peer, one of 'cli' or 'srv'
-- @param devproto_forbidden_id The nDPI ID of the forbidden application protocol
-- @return A table with the alert built
function alert_device_protocol_not_allowed:init()
-- Call the parent constructor
self.super:init()
end
-- #######################################################
-- @brief Format an alert into a human-readable string
-- @param ifid The integer interface id of the generated alert
-- @param alert The alert description table, including alert data such as the generating entity, timestamp, granularity, type
-- @param alert_type_params Table `alert_type_params` as built in the `:init` method
-- @return A human-readable string
function alert_device_protocol_not_allowed.format(ifid, alert, alert_type_params)
local msg, devtype
if ((not alert_type_params) or (alert_type_params == "")) then
return i18n("alerts_dashboard.suspicious_device_protocol")
end
local discover = require("discover_utils")
local forbidden_proto = alert_type_params["devproto_forbidden_id"] or 0
if (alert_type_params["devproto_forbidden_peer"] == "cli") then
msg = "flow_details.suspicious_client_device_protocol"
devtype = alert_type_params["cli.devtype"]
else
msg = "flow_details.suspicious_server_device_protocol"
devtype = alert_type_params["srv.devtype"]
end
if(devtype == nil) then
return i18n("alerts_dashboard.suspicious_device_protocol")
end
local label = discover.devtype2string(devtype)
return i18n(msg, {proto=interface.getnDPIProtoName(forbidden_proto), devtype=label,
url=getDeviceProtocolPoliciesUrl("device_type="..
devtype.."&l7proto="..forbidden_proto)})
end
-- #######################################################
return alert_device_protocol_not_allowed
|
