Added device connection/disconnection alert (#6801)

attic/scripts/lua/modules/alert_definitions/device_connection.lua

@@ -0,0 +1,79 @@
+--
+-- (C) 2019-22 - ntop.org
+--
+
+-- ##############################################
+
+local dirs = ntop.getDirs()
+local other_alert_keys = require "other_alert_keys"
+local alert_creators = require "alert_creators"
+-- Import the classes library.
+local classes = require "classes"
+-- Make sure to import the Superclass!
+local alert = require "alert"
+local alert_entities = require "alert_entities"
+
+-- ##############################################
+
+local alert_unexpected_new_device = classes.class(alert)
+
+-- ##############################################
+
+alert_unexpected_new_device.meta = {
+  alert_key = other_alert_keys.alert_unexpected_new_device,
+  i18n_title = "checks.unexpected_new_device_title",
+  icon = "fas fa-fw fa-exclamation",
+  entities = {
+    alert_entities.mac
+  },
+}
+
+-- ##############################################
+
+function alert_unexpected_new_device:init(device, mac)
+   -- Call the parent constructor
+   self.super:init()
+
+   self.alert_type_params = {
+    device = device,
+    mac = mac,
+   }
+end
+
+-- #######################################################
+
+function alert_unexpected_new_device.format(ifid, alert, alert_type_params)
+  -- Pro description
+  if(ntop.isPro()) then
+    package.path = dirs.installdir .. "/pro/scripts/lua/modules/?.lua;" .. package.path
+    local snmp_location = require "snmp_location"
+
+    has_snmp_location = snmp_location.host_has_snmp_location(alert_type_params.mac)
+    -- The host has an snmp location
+    if has_snmp_location then
+      local access_port = snmp_location.get_host_access_port(alert_type_params.mac)
+
+      if access_port then
+        return(i18n("checks.status_unexpected_new_device_description_pro", {
+          mac_address = alert_type_params.device,
+          host_url = getMacUrl(alert_type_params.mac),
+          port = access_port.id,
+	  port_url = snmpIfaceUrl(access_port.snmp_device_ip, access_port.id),
+	  interface_name = access_port.name,
+	  ip = access_port.snmp_device_ip,
+	  ip_url = snmpDeviceUrl(access_port.snmp_device_ip), 
+        }))
+      end
+    end
+  end
+  
+  -- Non enterprise software or the host hasn't an snmp location
+  return(i18n("checks.status_unexpected_new_device_description", {
+    mac_address = alert_type_params.device,
+    host_url = getMacUrl(alert_type_params.mac),
+  }))
+end
+
+-- #######################################################
+
+return alert_unexpected_new_device