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62 lines
2 KiB
Lua
62 lines
2 KiB
Lua
--
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-- (C) 2019-20 - ntop.org
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--
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local alert_keys = require "alert_keys"
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local format_utils = require "format_utils"
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local json = require("dkjson")
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-- #######################################################
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-- @brief Prepare an alert table used to generate the alert
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-- @param alert_severity A severity as defined in `alert_consts.alert_severities`
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-- @param alert_granularity A granularity as defined in `alert_consts.alerts_granularities`
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-- @param last_error A string with the lastest influxdb error
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-- @return A table with the alert built
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local function createIEC104Error(alert_severity, alert_granularity, alert_subtype, last_error)
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local threshold_type = {
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alert_severity = alert_severity,
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alert_subtype = alert_subtype,
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alert_granularity = alert_granularity,
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alert_type_params = {
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error_msg = last_error
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},
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}
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return threshold_type
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end
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-- #######################################################
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local function formatIEC104ErrorMessage(ifid, alert, status)
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local msg = json.decode(status.error_msg)
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local vlanId = alert.vlanId or 0
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local client = ip2label(msg.client.ip, msg.vlanId)
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local server = ip2label(msg.server.ip, msg.vlanId)
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local rsp = format_utils.formatEpoch(msg.timestamp)..": " ..
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"<A HREF=\""..hostinfo2detailsurl(client) .."\">".. msg.client.ip .."</A>"..
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" <i class=\"fas fa-exchange-alt fa-lg\" aria-hidden=\"true\" data-original-title=\"\" title=\"\"></i>" ..
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"<A HREF=\""..hostinfo2detailsurl(server) .."\">".. msg.server.ip .."</A>"..
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" [CauseTX: "..msg.cause_tx.."][TypeId: "..msg.type_id.."][ASDU: ".. msg.asdu.."][Negative: "
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if(msg.negatiive == false) then
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rsp = rsp .. "True]"
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else
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rsp = rsp .. "False]"
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end
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-- tprint(rsp)
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return(rsp)
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end
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-- #######################################################
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return {
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alert_key = alert_keys.ntopng.alert_iec104_error,
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i18n_title = "alerts_dashboard.iec104_error",
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i18n_description = formatIEC104ErrorMessage,
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icon = "fas fa-subway",
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creator = createIEC104Error,
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}
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