ntopng/scripts/lua/modules/alert_definitions/alert_tls_old_version.lua
2021-01-02 12:08:23 +01:00

66 lines
2.1 KiB
Lua

--
-- (C) 2019-21 - ntop.org
--
-- ##############################################
local alert_keys = require "alert_keys"
local status_keys = require "status_keys"
-- Import the classes library.
local classes = require "classes"
-- Make sure to import the Superclass!
local alert = require "alert"
-- ##############################################
local alert_tls_old_version = classes.class(alert)
-- ##############################################
alert_tls_old_version.meta = {
status_key = status_keys.ntopng.status_tls_old_protocol_version,
alert_key = alert_keys.ntopng.alert_tls_old_protocol_version,
i18n_title = "flow_details.tls_old_protocol_version",
icon = "fas fa-exclamation",
}
-- ##############################################
-- @brief Prepare an alert table used to generate the alert
-- @param tls_version A number indicating the TLS version detected, or nil when version is not available
-- @return A table with the alert built
function alert_tls_old_version:init(tls_version)
-- Call the parent constructor
self.super:init()
self.alert_type_params = {
tls_version = tls_version,
}
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_tls_old_version.format(ifid, alert, alert_type_params)
local msg = i18n("flow_details.tls_old_protocol_version")
if(alert_type_params and alert_type_params.tls_version) then
local ver_str = ntop.getTLSVersionName(alert_type_params.tls_version)
if(ver_str == nil) then
ver_str = string.format("%u", alert_type_params.tls_version)
end
msg = msg .. " (" .. ver_str .. ")"
end
return(msg)
end
-- #######################################################
return alert_tls_old_version