mirror of
https://github.com/ntop/ntopng.git
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497 lines
19 KiB
Lua
497 lines
19 KiB
Lua
--
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-- (C) 2013-24 - 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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require "flow_utils"
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local format_utils = require("format_utils")
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local alert_consts = require "alert_consts"
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local icmp_utils = require "icmp_utils"
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local json = require "dkjson"
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local http_utils = require("http_utils")
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local have_nedge = ntop.isnEdge()
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sendHTTPContentTypeHeader('application/json')
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local ifid = _GET["ifid"]
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if (ifid) and (not isEmptyString(ifid)) then
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interface.select(ifid)
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else
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ifid = interface.getId()
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end
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local ifstats = interface.getStats()
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-- System host parameters
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local host = _GET["host"] -- TODO: merge
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local flows_to_update = _GET["custom_hosts"]
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-- Get from redis the throughput type bps or pps
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local throughput_type = getThroughputType()
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local flows_filter = getFlowsFilter()
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local flows_stats
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local total = 0
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-- Add more details (debug only)
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-- flows_filter["detailsLevel"] = "high"
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if not flows_to_update then
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flows_stats = interface.getFlowsInfo(flows_filter["hostFilter"], flows_filter, flows_filter["talkingWith"],
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flows_filter["client"], flows_filter["server"], flows_filter["flow_info"])
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if (flows_stats == nil) then
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flows_stats = {}
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else
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total = flows_stats["numFlows"]
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flows_stats = flows_stats["flows"]
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end
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else
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flows_stats = {}
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-- Only update the requested rows
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for _, k in pairs(split(flows_to_update, ",")) do
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local flow_key_and_hash = string.split(k, "@") or {}
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if (#flow_key_and_hash == 2) then
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local flow =
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interface.findFlowByKeyAndHashId(tonumber(flow_key_and_hash[1]), tonumber(flow_key_and_hash[2]))
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if ((flow ~= nil) and
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((flows_filter.deviceIpFilter == nil) or (flows_filter.deviceIpFilter == flow["device_ip"])) and
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((flows_filter.inIndexFilter == nil) or (flows_filter.inIndexFilter == flow["in_index"])) and
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((flows_filter.outIndexFilter == nil) or (flows_filter.outIndexFilter == flow["out_index"]))) then
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flows_stats[#flows_stats + 1] = flow
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end
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end
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end
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end
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if (flows_stats == nil) then
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flows_stats = {}
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end
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for key, value in ipairs(flows_stats) do
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local flows_info = flows_stats[key]
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local info = ""
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-- use an italic font to indicate extra information added after sorting
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local italic = true
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if (not isEmptyString(flows_info["info"])) then
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info = flows_info["info"]
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italic = false
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elseif (not isEmptyString(flows_info["icmp"])) then
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flows_info["info"] = icmp_utils.get_icmp_type(value.icmp.type, true)
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if (value.icmp.entropy ~= nil) then
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local e = value.icmp.entropy
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local diff = e.max - e.min
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if (icmp_utils.is_suspicious_entropy(e.min, e.max)) then
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flows_info["info"] = flows_info["info"] .. " <span class=\"badge bg-warning\">" ..
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i18n("suspicious_payload") .. "</span>"
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end
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end
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elseif (flows_info["proto.ndpi"] == "SIP") then
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info = getSIPInfo(flows_info)
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elseif (starts(flows_info["proto.ndpi"], "RTP")
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or starts(flows_info["proto.ndpi"], "SRTP")
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or starts(flows_info["proto.ndpi"], "STUN") -- Teams
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) then
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flows_info["info"] = getRTPInfo(flows_info)
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end
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if (flows_info["info"] == nil) then
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if (starts(info, "<i class")) then
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flows_info["info"] = info
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else
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-- safety checks against injections
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info = noHtml(info)
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info = info:gsub('"', '')
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local alt_info = info
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if italic then
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info = string.format("<i>%s</i>", info)
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end
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info = shortenString(info)
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-- Add extra icons to info column
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if (flows_info["protos.dns.last_query_type"] or flows_info["protos.dns.last_return_code"]) then
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local dns_info = format_dns_query_info({
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last_query_type = flows_info["protos.dns.last_query_type"],
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last_return_code = flows_info["protos.dns.last_return_code"]
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})
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if (dns_info.last_query_type ~= 0) then
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info = dns_info.last_query_type .. " " .. dns_info.last_return_code .. " " .. info
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else
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info = dns_info.last_query_type .. info
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end
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end
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if flows_info["protos.http.last_return_code"] or flows_info["protos.http.last_method"] then
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local http_info = format_http_info({
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last_return_code = flows_info["protos.http.last_return_code"],
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last_method = flows_info["protos.http.last_method"]
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})
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info = (http_info.last_return_code or '') .. " " .. http_info.last_method .. " " .. info
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end
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flows_info["info"] = "<span data-bs-toggle='tooltip' title='" .. alt_info .. "'>" .. info .. "</span>"
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end
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end
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if (flows_info["profile"] ~= nil) then
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flows_info["info"] = formatTrafficProfile(flows_info["profile"]) .. flows_info["info"]
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end
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-- tprint(flows_info["info"])
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end
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local formatted_res = {}
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for _key, value in ipairs(flows_stats) do -- pairsByValues(vals, funct) do
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local record = {}
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local key = value["ntopng.key"]
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local info_cli = interface.getHostMinInfo(value["cli.ip"], value["cli.vlan"])
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local info_srv = interface.getHostMinInfo(value["srv.ip"], value["srv.vlan"])
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if not info_cli then
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info_cli = {
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host = value["cli.ip"],
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vlan = value["cli.vlan"],
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localhost = value["cli.localhost"]
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}
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end
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if not info_srv then
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info_srv = {
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host = value["srv.ip"],
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vlan = value["srv.vlan"],
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localhost = value["srv.localhost"]
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}
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end
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-- Print labels.
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local cli_name = hostinfo2label(info_cli, true, 36)
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local srv_name = hostinfo2label(info_srv, true, 36)
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local src_port, dst_port = '', ''
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local src_process, dst_process = '', ''
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local src_container, dst_container = '', ''
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local cli_tooltip = hostinfo2label({
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label = info_cli.host or info_cli.ip,
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vlan = info_cli.vlan or 0
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}, true)
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local srv_tooltip = hostinfo2label({
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label = info_srv.host or info_srv.ip,
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vlan = info_srv.vlan or 0
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}, true)
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if ((value["tcp.nw_latency.client"] ~= nil) and (value["tcp.nw_latency.client"] > 0)) then
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cli_tooltip = cli_tooltip .. " nw latency: " .. string.format("%.3f", value["tcp.nw_latency.client"]) ..
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" ms"
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end
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if ((value["tcp.nw_latency.server"] ~= nil) and (value["tcp.nw_latency.server"] > 0)) then
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srv_tooltip = srv_tooltip .. " nw latency: " .. string.format("%.3f", value["tcp.nw_latency.server"]) ..
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" ms"
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end
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if value["cli.allowed_host"] and not ifstats.isViewed then
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local src_name = shortenString(cli_name, 36)
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if (value["cli.systemhost"] == true) then
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src_name = src_name .. " <i class='fas fa-flag'></i>"
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end
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src_key = hostinfo2detailshref(flow2hostinfo(value, "cli"), nil, src_name, cli_tooltip, false)
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if value["cli.port"] > 0 or value["proto.l4"] == "TCP" or value["proto.l4"] == "UDP" then
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src_port = "<A HREF='" .. ntop.getHttpPrefix() .. "/lua/flows_stats.lua?port=" .. value["cli.port"]
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if (host ~= nil) then
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src_port = src_port .. "&host=" .. host
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end
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src_port = src_port .. "'>" .. ntop.getservbyport(value["cli.port"], string.lower(value["proto.l4"])) ..
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"</A>"
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end
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-- record["column_client_process"] = flowinfo2process(value["client_process"], hostinfo2url(value,"cli"))
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src_process = flowinfo2process(value["client_process"], hostinfo2url(value, "cli"))
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src_container = flowinfo2container(value["client_container"])
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else
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src_key = shortenString(cli_name, 36)
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if value["cli.port"] > 0 then
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src_port = value["cli.port"] .. ''
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end
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end
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if value["srv.allowed_host"] and not ifstats.isViewed then
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local dst_name = shortenString(srv_name, 36)
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if (value["srv.systemhost"] == true) then
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dst_name = dst_name .. " <i class='fas fa-flag'></i>"
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end
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dst_key = hostinfo2detailshref(flow2hostinfo(value, "srv"), nil, dst_name, srv_tooltip, false)
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if value["srv.port"] > 0 or value["proto.l4"] == "TCP" or value["proto.l4"] == "UDP" then
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dst_port = "<A HREF='" .. ntop.getHttpPrefix() .. "/lua/flows_stats.lua?port=" .. value["srv.port"]
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if (host ~= nil) then
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dst_port = dst_port .. "&host=" .. host
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end
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dst_port = dst_port .. "'>" .. ntop.getservbyport(value["srv.port"], string.lower(value["proto.l4"])) ..
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"</A>"
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else
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dst_port = ""
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end
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-- record["column_server_process"] = flowinfo2process(value["server_process"], hostinfo2url(value,"srv"))
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dst_process = flowinfo2process(value["server_process"], hostinfo2url(value, "srv"))
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dst_container = flowinfo2container(value["server_container"])
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if value["server_container"] and value["server_container"].id then
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record["column_server_container"] =
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'<a href="' .. ntop.getHttpPrefix() .. '/lua/flows_stats.lua?container=' .. value["server_container"].id ..
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'">' .. format_utils.formatContainer(value["server_container"]) .. '</a>'
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if value["server_container"]["k8s.pod"] then
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record["column_server_pod"] = '<a href="' .. ntop.getHttpPrefix() .. '/lua/containers_stats.lua?pod=' ..
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value["server_container"]["k8s.pod"] .. '">' ..
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shortenString(value["server_container"]["k8s.pod"]) .. '</a>'
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end
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end
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else
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dst_key = shortenString(srv_name, 36)
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if value["srv.port"] > 0 then
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dst_port = value["srv.port"] .. ""
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end
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end
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record["column_first_seen"] = formatEpoch(value["seen.first"])
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record["column_last_seen"] = formatEpoch(value["seen.last"])
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if (value["client_tcp_info"] ~= nil) then
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record["column_client_rtt"] = format_utils.formatMillis(value["client_tcp_info"]["rtt"])
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end
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if (value["server_tcp_info"] ~= nil) then
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record["column_server_rtt"] = format_utils.formatMillis(value["server_tcp_info"]["rtt"])
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end
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local column_key = "<A class='btn btn-sm btn-info' HREF='" .. ntop.getHttpPrefix() ..
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"/lua/flow_details.lua?flow_key=" .. value["ntopng.key"] .. "&flow_hash_id=" ..
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value["hash_entry_id"] .. "'><i class='fas fa-search-plus'></i></A>"
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if (have_nedge) then
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if (value["verdict.pass"]) then
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column_key = column_key .. " <span id='" .. value["ntopng.key"] .. "_" .. value["hash_entry_id"] ..
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"_block' " .. "title='" .. i18n("flow_details.drop_flow_traffic_btn") ..
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"' class='btn btn-sm btn-secondary block-badge' " ..
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(ternary(isAdministrator(),
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"onclick='block_flow(" .. value["ntopng.key"] .. ", " .. value["hash_entry_id"] ..
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");' style='cursor: pointer;'", "")) .. "><i class='fas fa-ban' /></span>"
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else
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column_key = column_key .. " <span title='" .. i18n("flow_details.flow_traffic_is_dropped") ..
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"' class='btn btn-sm btn-danger block-badge'><i class='fas fa-ban' /></span>"
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end
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end
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record["column_key"] = column_key
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record["key"] = string.format("%u", value["ntopng.key"])
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record["hash_id"] = string.format("%u", value["hash_entry_id"])
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record["key_and_hash"] = string.format("%s@%s", record["key"], record["hash_id"])
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if (value["in_index"] ~= nil and value["out_index"] ~= nil) then
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local device_ip = value["device_ip"]
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local idx_name_in = i18n("span_with_title", {
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shorten_name = format_portidx_name(device_ip, value["in_index"], true),
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url = ntop.getHttpPrefix() .. '/lua/pro/enterprise/flowdevice_details.lua?ip=' .. value["device_ip"] ..
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'&snmp_port_idx=' .. value["in_index"]
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})
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local idx_name_out = i18n("span_with_title", {
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shorten_name = format_portidx_name(device_ip, value["out_index"], true),
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url = ntop.getHttpPrefix() .. '/lua/pro/enterprise/flowdevice_details.lua?ip=' .. value["device_ip"] ..
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'&snmp_port_idx=' .. value["out_index"]
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})
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record["column_device_ip"] = i18n("span_with_title", {
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shorten_name = getProbeName(value["device_ip"]),
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url = ntop.getHttpPrefix() .. '/lua/pro/enterprise/flowdevice_details.lua?ip=' .. value["device_ip"]
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})
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record["column_in_index"] = idx_name_in
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record["column_out_index"] = idx_name_out
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end
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local column_client = src_key
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if info_cli then
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column_client = column_client .. format_utils.formatMainAddressCategory(info_cli)
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end
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column_client = string.format("%s%s%s %s %s", column_client, ternary(src_port ~= '', ':', ''), src_port, src_process, src_container)
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if (value["verdict.pass"] == false) then
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column_client = "<strike>" .. column_client .. "</strike>"
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end
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record["column_client"] = column_client
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local column_server = dst_key
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if info_srv then
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column_server = column_server .. format_utils.formatMainAddressCategory(info_srv)
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end
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column_server = string.format("%s%s%s %s %s", column_server, ternary(dst_port ~= '', ':', ''), dst_port,
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dst_process, dst_container)
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if (value["verdict.pass"] == false) then
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column_server = "<strike>" .. column_server .. "</strike>"
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end
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record["column_server"] = column_server
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local column_proto_l4 = ''
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if value["predominant_alert"] then
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column_proto_l4 = alert_consts.alertTypeIcon(value["predominant_alert"],
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map_score_to_severity(value["predominant_alert_score"]))
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end
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if tonumber(value["proto.l4"]) then
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value["proto.l4"] = l4_proto_to_string(value["proto.l4"])
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end
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column_proto_l4 = value["proto.l4"] .. " " .. column_proto_l4
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if (value["verdict.pass"] == false) then
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column_proto_l4 = "<strike>" .. column_proto_l4 .. "</strike>"
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end
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record["column_proto_l4"] = column_proto_l4
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local app = getApplicationLabel(value["proto.ndpi"])
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if (value["verdict.pass"] == false) then
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app = "<strike>" .. app .. "</strike>"
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end
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record["column_ndpi"] = app -- can't set the hosts_stats hyperlink for viewed interfaces
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if (value["proto.ndpi_id"] ~= -1) then
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local l7proto
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if ((value["proto.ndpi_id"] == value["proto.master_ndpi_id"]) or (value["proto.master_ndpi_id"] == 0)) then
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l7proto = value["proto.ndpi_id"]
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else
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l7proto = value["proto.master_ndpi_id"] .. "." .. value["proto.ndpi_id"]
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end
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record["column_ndpi"] = "<A HREF='" .. ntop.getHttpPrefix() .. "/lua/flows_stats.lua?application=" .. l7proto ..
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"'&ifid='" .. ifid .. "'>" .. app .. " " ..
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formatBreed(value["proto.ndpi_breed"], value["proto.is_encrypted"]) .. "</A>"
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record["column_ndpi"] = record["column_ndpi"] .. " " .. format_confidence_badge(ternary(value["proto.ndpi_id"] == 0, -1, value["confidence"]))
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-- record["column_ndpi"] = record["column_ndpi"] .. " " .. "<a href='".. ntop.getHttpPrefix().."/lua/hosts_stats.lua?protocol=" .. value["proto.ndpi_informative_proto"] .. "' title='" .. i18n("host_details.hosts_using_proto", { proto = interface.getnDPIProtoName(value["proto.ndpi_informative_proto"]) }) .. "'><i class='fa-solid fa-timeline'></i></a>"
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end
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record["column_duration"] = secondsToTime(value["duration"])
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record["column_bytes"] = value["bytes"]
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local column_thpt = ''
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if (throughput_type == "pps") then
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column_thpt = value["throughput_pps"]
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else
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column_thpt = 8 * value["throughput_bps"]
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end
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if false then
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if ((value["throughput_trend_" .. throughput_type] ~= nil) and
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(value["throughput_trend_" .. throughput_type] > 0)) then
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if (value["throughput_trend_" .. throughput_type] == 1) then
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column_thpt = column_thpt .. "<i class='fas fa-arrow-up'></i>"
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elseif (value["throughput_trend_" .. throughput_type] == 2) then
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column_thpt = column_thpt .. "<i class='fas fa-arrow-down'></i>"
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elseif (value["throughput_trend_" .. throughput_type] == 3) then
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column_thpt = column_thpt .. "<i class='fas fa-minus'></i>"
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end
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end
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end
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record["column_thpt"] = column_thpt
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if value["bytes"] > 0 then
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local cli2srv = round((value["cli2srv.bytes"] * 100) / value["bytes"], 0)
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record["column_breakdown"] =
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"<div class='progress'><div class='progress-bar bg-warning' style='width: " .. cli2srv ..
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"%;'>Client</div><div class='progress-bar bg-success' style='width: " .. (100 - cli2srv) ..
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"%;'>Server</div></div>"
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end
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|
local info
|
|
|
|
if(starts(value["info"],"<")) then
|
|
info = value.info
|
|
else
|
|
info = shortenString(value["info"], 32)
|
|
end
|
|
|
|
if isScoreEnabled() then
|
|
record["column_score"] = format_utils.formatValue(value.score.flow_score)
|
|
end
|
|
|
|
if (value.periodic_flow) then
|
|
info = info .. " <A HREF='" .. ntop.getHttpPrefix() ..
|
|
"/lua/pro/enterprise/network_maps.lua?map=periodicity_map&page=table"
|
|
|
|
if ((info_cli ~= nil) and (info_cli.ip ~= nil)) then
|
|
local k
|
|
|
|
if (value["cli.serialize_by_mac"] and (value["cli.mac"] ~= nil)) then
|
|
k = value["cli.mac"]
|
|
else
|
|
k = value["cli.ip"]
|
|
end
|
|
|
|
info = info .. "&host=" .. k .. "&l7proto=" .. value["proto.ndpi"]
|
|
end
|
|
|
|
info = info .. "'><span class='badge bg-warning text-dark'>" .. i18n("periodic_flow") .. "</span></h1></A>"
|
|
end
|
|
|
|
if (not isEmptyString(value["protos.http.last_method"])) then
|
|
local span_mode
|
|
local color
|
|
local rcode
|
|
|
|
if (value["protos.http.last_method"] == "GET") then
|
|
span_mode = "success"
|
|
else
|
|
span_mode = "warning"
|
|
end
|
|
|
|
if (value["protos.http.last_return_code"] < 400) then
|
|
color = "badge bg-success"
|
|
else
|
|
color = "badge bg-danger"
|
|
end
|
|
|
|
rcode = http_utils.getResponseStatusCode(value["protos.http.last_return_code"]) or ''
|
|
info = "<span class='badge bg-" .. span_mode .. "'>" .. value["protos.http.last_method"] ..
|
|
"</span> <span class='" .. color .. "'>" .. rcode .. "</span> " .. info
|
|
end
|
|
|
|
record["column_info"] = info
|
|
|
|
|
|
|
|
formatted_res[#formatted_res + 1] = record
|
|
|
|
end -- for
|
|
|
|
local result = {
|
|
perPage = flows_filter["perPage"],
|
|
currentPage = flows_filter["currentPage"],
|
|
totalRows = total,
|
|
data = formatted_res,
|
|
sort = {{flows_filter["sortColumn"], flows_filter["sortOrder"]}}
|
|
}
|
|
|
|
print(json.encode(result))
|