mirror of
https://github.com/ntop/ntopng.git
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341 lines
13 KiB
Lua
341 lines
13 KiB
Lua
--
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-- (C) 2013-21 - 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 flow_utils = require "flow_utils"
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local icmp_utils = require "icmp_utils"
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local json = require "dkjson"
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local have_nedge = ntop.isnEdge()
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sendHTTPContentTypeHeader('application/json')
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local debug = false
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local debug_process = false -- Show flow processed information
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local ifstats = interface.getStats()
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-- System host parameters
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local hosts = _GET["hosts"]
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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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if not flows_to_update then
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flows_stats = interface.getFlowsInfo(flows_filter["hostFilter"], flows_filter)
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total = flows_stats["numFlows"]
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flows_stats = flows_stats["flows"]
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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 = interface.findFlowByKeyAndHashId(tonumber(flow_key_and_hash[1]), tonumber(flow_key_and_hash[2]))
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if flow 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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-- Prepare host
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local host_list = {}
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local num_host_list = 0
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local single_host = 0
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if(hosts ~= nil) then host_list, num_host_list = getHostCommaSeparatedList(hosts) end
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if(host ~= nil) then
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single_host = 1
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num_host_list = 1
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end
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if(flows_stats == nil) then flows_stats = { } end
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for key, value in ipairs(flows_stats) do
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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_stats[key]["info"])) then
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info = flows_stats[key]["info"]
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italic = false
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elseif(not isEmptyString(flows_stats[key]["icmp"])) then
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info = icmp_utils.get_icmp_label(ternary(isIPv4(flows_stats[key]["cli.ip"]), 4, 6), flows_stats[key]["icmp"]["type"], flows_stats[key]["icmp"]["code"])
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elseif(flows_stats[key]["proto.ndpi"] == "SIP") then
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info = getSIPInfo(flows_stats[key])
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elseif(flows_stats[key]["proto.ndpi"] == "RTP") then
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info = getRTPInfo(flows_stats[key])
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end
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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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flows_stats[key]["info"] = "<span data-toggle='tooltip' title='"..alt_info.."'>"..info.."</span>"
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if(flows_stats[key]["profile"] ~= nil) then
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flows_stats[key]["info"] = formatTrafficProfile(flows_stats[key]["profile"])..flows_stats[key]["info"]
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end
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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 srv_name = flowinfo2hostname(value, "srv")
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local cli_name = flowinfo2hostname(value, "cli")
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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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if(cli_name == nil) then cli_name = "???" end
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if(srv_name == nil) then srv_name = "???" end
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local cli_tooltip = cli_name:gsub("'","'")
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local srv_tooltip = srv_name:gsub("'","'")
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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"]).." 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"]).." 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(stripVlan(cli_name))
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if(value["cli.systemhost"] == true) then src_name = src_name .. " <i class='fas fa-flag'></i>" 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 src_port = src_port .. "&host="..host end
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src_port = src_port .. "'>"..ntop.getservbyport(value["cli.port"], string.lower(value["proto.l4"])).."</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(stripVlan(cli_name))
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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(stripVlan(srv_name))
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if(value["srv.systemhost"] == true) then dst_name = dst_name .. " <i class='fas fa-flag'></i>" 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 dst_port = dst_port .. "&host="..host end
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dst_port = dst_port .. "'>"..ntop.getservbyport(value["srv.port"], string.lower(value["proto.l4"])).."</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"] = '<a href="' .. ntop.getHttpPrefix() .. '/lua/flows_stats.lua?container=' .. value["server_container"].id .. '">' .. 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=' .. value["server_container"]["k8s.pod"] .. '">' .. 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(stripVlan(srv_name))
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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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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='"
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..ntop.getHttpPrefix().."/lua/flow_details.lua?flow_key="..value["ntopng.key"].."&flow_hash_id="..value["hash_entry_id"]
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.."'><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"].."_block' ".."title='"..i18n("flow_details.drop_flow_traffic_btn").."' class='btn btn-sm btn-secondary block-badge' "..(ternary(isAdministrator(), "onclick='block_flow("..value["ntopng.key"]..", "..value["hash_entry_id"]..");' 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").."' 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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local column_client = src_key
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local info = interface.getHostInfo(value["cli.ip"], value["cli.vlan"])
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if info then
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if info.broadcast_domain_host then
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column_client = column_client.." <i class='fas fa-sitemap fa-sm' title='"..i18n("hosts_stats.label_broadcast_domain_host").."'></i>"
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end
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if info.dhcpHost then
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column_client = column_client.." <i class=\'fas fa-flash fa-sm\' title=\'DHCP Host\'></i>"
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end
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if info.is_blacklisted then
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column_client = column_client.." <i class=\'fas fa-ban fa-sm\' title=\'"..i18n("hosts_stats.blacklisted").."\'></i>"
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end
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column_client = column_client..getFlag(info["country"])
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end
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column_client = string.format("%s%s%s %s %s",
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column_client,
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ternary(src_port ~= '', ':', ''),
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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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info = interface.getHostInfo(value["srv.ip"], value["srv.vlan"])
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if info then
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if info.broadcast_domain_host then
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column_server = column_server.." <i class='fas fa-sitemap fa-sm' title='"..i18n("hosts_stats.label_broadcast_domain_host").."'></i>"
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end
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if info.dhcpHost then
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column_server = column_server.." <i class=\'fas fa-flash fa-sm\' title=\'DHCP Host\'></i>"
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end
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if info.is_blacklisted then
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column_server = column_server.." <i class=\'fas fa-ban fa-sm\' title=\'"..i18n("hosts_stats.blacklisted").."\'></i>"
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end
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column_server = column_server..getFlag(info["country"])
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end
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column_server = string.format("%s%s%s %s %s",
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column_server,
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ternary(dst_port ~= '', ':', ''),
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dst_port, 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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record["column_vlan"] = ''
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if((value["vlan"] ~= nil)) then
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record["column_vlan"] = value["vlan"]
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end
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local column_proto_l4 = ''
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if value["alerted_status"] then
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local status_info = alert_consts.statusTypeLabel(value["alerted_status"], true)
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column_proto_l4 = alert_consts.statusTypeIcon(value["alerted_status"], value["alerted_severity"]) -- "<i class='fas fa-exclamation-triangle' style=' title='"..noHtml(status_info) .."'></i> "
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end
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column_proto_l4 = column_proto_l4..value["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 not ifstats.isViewed then
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record["column_ndpi"] = "<A HREF='".. ntop.getHttpPrefix().."/lua/hosts_stats.lua?protocol=" .. value["proto.ndpi_id"] .."'>"..app.." " .. formatBreed(value["proto.ndpi_breed"]) .."</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)
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and (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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local cli2srv = round((value["cli2srv.bytes"] * 100) / value["bytes"], 0)
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record["column_breakdown"] = "<div class='progress'><div class='progress-bar bg-warning' style='width: " .. cli2srv .."%;'>Client</div><div class='progress-bar bg-info' style='width: " .. (100-cli2srv) .. "%;'>Server</div></div>"
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local info = value["info"]
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if isScoreEnabled() then
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record["column_score"] = format_utils.formatValue(value.score.flow_score)
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end
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record["column_info"] = info
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formatted_res[#formatted_res + 1] = record
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end -- for
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local result = {
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perPage = flows_filter["perPage"],
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currentPage = flows_filter["currentPage"],
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totalRows = total,
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data = formatted_res,
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sort = {
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{flows_filter["sortColumn"],
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flows_filter["sortOrder"]}
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},
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}
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print(json.encode(result))
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