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122 lines
3.2 KiB
Lua
122 lines
3.2 KiB
Lua
--
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-- (C) 2019-22 - ntop.org
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--
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local dirs = ntop.getDirs()
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package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
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require "lua_utils"
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local json = require("dkjson")
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local checks = require("checks")
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local alert_consts = require("alert_consts")
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local alert_exclusions = require "alert_exclusions"
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sendHTTPContentTypeHeader('application/json')
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local subdir = _GET["check_subdir"] or "host"
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local factory = _GET["factory"]
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local script_key = _GET["script_key"]
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local script_type = checks.getScriptType(subdir)
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if(script_type == nil) then
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traceError(TRACE_ERROR, TRACE_CONSOLE, "Bad subdir: " .. subdir)
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return
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end
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if(script_key == nil) then
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traceError(TRACE_ERROR, TRACE_CONSOLE, "Missing script_key parameter")
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return
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end
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local config_set
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if factory and factory == "true" then
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config_set = checks.getFactoryConfig()
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else
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config_set = checks.getConfigset()
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end
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-- ################################################
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local script = checks.loadModule(getSystemInterfaceId(), script_type, subdir, script_key)
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if(script == nil) then
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traceError(TRACE_ERROR, TRACE_CONSOLE, "Unknown user script: " .. script_key)
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return
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end
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local result = {
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hooks = {},
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gui = {},
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metadata = {},
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filters = {}
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}
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if(script.gui) then
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local known_fields = {i18n_title=1, i18n_description=1, i18n_field_unit=1, input_builder=1}
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for field, val in pairs(script.gui) do
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if not known_fields[field] then
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result.gui[field] = val
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end
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end
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if(script.gui.i18n_field_unit) then
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result.gui.fields_unit = i18n(script.gui.i18n_field_unit)
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end
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result.gui.input_builder = script.gui.input_builder
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end
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if (script.default_value) then
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result.metadata.default_value = script.default_value
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end
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-- Getting filter configurations
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if script.alert_id and (subdir == "flow" or subdir == "host") then
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result.filters = { current_filters = {}}
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local current_filters
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if subdir == "flow" then
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current_filters = alert_exclusions.flow_alerts_get_exclusions(script.alert_id)
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else
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current_filters = alert_exclusions.host_alerts_get_exclusions(script.alert_id)
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end
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for current_ip, _ in pairs(current_filters or {}) do
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result.filters.current_filters[#result.filters.current_filters + 1] = {ip = current_ip}
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end
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else
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local filter_conf = config_set["filters"]
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if filter_conf and filter_conf[subdir] and filter_conf[subdir][script_key] and filter_conf[subdir][script_key]["filter"] then
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result.filters = filter_conf[subdir][script_key]["filter"]
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end
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if not result.filters or table.len(result.filters) == 0 then
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-- No configuration found, trying to check if there is a default filter configured
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result.filters = checks.getDefaultFilters(interface.getId(), subdir, script_key)
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end
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end
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-------------------------------
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local hooks_config = checks.getScriptConfig(config_set, script, subdir)
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-- script.template:render(hooks_config)
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for hook, config in pairs(hooks_config) do
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local granularity_info = alert_consts.alerts_granularities[hook]
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local label = nil
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if(granularity_info) then
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label = i18n(granularity_info.i18n_title)
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end
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result.hooks[hook] = table.merge(config, {
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label = label or "",
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})
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end
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-- ################################################
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print(json.encode(result))
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