ntopng/scripts/lua/modules/flow_utils.lua
2024-05-03 11:47:20 -04:00

2764 lines
101 KiB
Lua

--
-- (C) 2013-24 - ntop.org
--
dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "template"
require "voip_utils"
require "lua_utils"
local graph_utils = require "graph_utils"
local tcp_flow_state_utils = require("tcp_flow_state_utils")
local format_utils = require("format_utils")
local flow_consts = require "flow_consts"
local alert_consts = require "alert_consts"
local json = require("dkjson")
if ntop.isPro() then
package.path = dirs.installdir .. "/scripts/lua/pro/modules/?.lua;" .. package.path
shaper_utils = require("shaper_utils")
end
-- The same base id of the ntop_flow.h file
local ntop_base_id = 57472
-- Keep in sync with the defines in ntop_flow.h,
-- otherwise it could happen that some fields are not mapped
local flow_label_id = {
[tostring(ntop_base_id + 524)] = 'COMMUNITY_ID'
}
-- #######################
local flow_verdict_mapping = {"Unknown", -- 0
"Pass", -- 1
"Drop" -- 2
}
local flow_verdict_icon = {'', '<i class="fas fa-check"></i>', '<i class="fas fa-ban"></i>'}
-- #######################
function getFlowLabelFromId(id)
local label = flow_label_id[tostring(id)]
if label == nil then
label = id
end
return label
end
-- #######################
-- Given a field and a flow, checks if the flow already has a non empty field
function fieldAlreadyPresent(field, flow)
field = string.lower(field)
if (flow[field]) and (not isEmptyString(flow[field])) then
return true
end
return false
end
-- #######################
function parseFlowVerdict(flow_verdict, minimal)
if flow_verdict_mapping[flow_verdict + 1] then
if minimal then
return flow_verdict_mapping[flow_verdict + 1] .. " " .. flow_verdict_icon[flow_verdict + 1]
else
return (flow_verdict .. " (" .. flow_verdict_mapping[flow_verdict + 1] .. " " ..
flow_verdict_icon[flow_verdict + 1] .. ")")
end
end
return flow_verdict
end
-- #######################
function addFlowVerdictBadge(flow_verdict, minimal)
local flow_verdict_class = "badge bg-secondary"
if tonumber(flow_verdict) == 1 then
flow_verdict_class = "badge bg-success"
elseif tonumber(flow_verdict) == 2 then
flow_verdict_class = "badge bg-danger"
end
local flow_verdict_formatted = parseFlowVerdict(flow["flow_verdict"], minimal)
return '<span class="' .. flow_verdict_class .. '">' .. flow_verdict_formatted .. '</span>'
end
-- #######################
function formatInterfaceId(id, idx, snmpdevice)
if (id == 65535) then
return ("Unknown")
else
if (snmpdevice ~= nil) then
return ('<A HREF="/lua/flows_stats.lua?deviceIP=' .. snmpdevice .. '&' .. idx .. '=' .. id .. '">' .. id ..
'</A>')
else
return (id)
end
end
end
-- #######################
function formatTrafficProfile(profile)
local res = ""
if not isEmptyString(profile) then
res = "<span class='badge bg-primary'>" .. profile .. "</span> "
end
return res
end
-- #######################
-- Extracts the information serialized into alert_info from the flow
-- checks
function flow2alertinfo(flow)
local alert_info = flow["alert_info"]
if (alert_info and (string.sub(alert_info, 1, 1) == "{")) then
local res = json.decode(alert_info)
if (res ~= nil) then
return (res)
end
end
return (alert_info)
end
-- #######################
function getFlowsFilter()
-- Pagination
local sortColumn = _GET["sortColumn"]
local sortOrder = _GET["sortOrder"]
local currentPage = _GET["currentPage"]
local perPage = _GET["perPage"]
-- Other Filters
local port = _GET["port"]
local application = _GET["application"]
local category = _GET["category"]
local network_id = _GET["network"]
local traffic_profile = _GET["traffic_profile"]
local traffic_type = _GET["traffic_type"]
local flowhosts_type = _GET["flowhosts_type"]
local ipversion = _GET["version"]
local l4proto = _GET["l4proto"]
local vlan = _GET["vlan"]
local username = _GET["username"]
local host = _GET["host"]
local pid_name = _GET["pid_name"]
local container = _GET["container"]
local pod = _GET["pod"]
local icmp_type = _GET["icmp_type"]
local icmp_code = _GET["icmp_cod"]
local dscp_filter = _GET["dscp"]
local host_pool = _GET["host_pool_id"]
local flow_status = _GET["flow_status"]
local flow_status_severity = _GET["flow_status_severity"]
local alert_type = _GET["alert_type"]
local alert_type_severity = _GET["alert_type_severity"]
local deviceIP = _GET["deviceIP"]
local inIfIdx = _GET["inIfIdx"]
local outIfIdx = _GET["outIfIdx"]
local asn = _GET["asn"]
local tcp_state = _GET["tcp_flow_state"]
local talking_with = _GET["talking_with"]
local client = _GET["client"]
local server = _GET["server"]
local flow_info = _GET["flow_info"]
local iface_index = tonumber(_GET["interface_filter"] or -1)
if sortColumn == nil or sortColumn == "column_" or sortColumn == "" then
sortColumn = getDefaultTableSort("flows")
elseif sortColumn ~= "column_" and sortColumn ~= "" then
tablePreferences("sort_flows", sortColumn)
else
sortColumn = "column_client"
end
if sortOrder == nil then
sortOrder = getDefaultTableSortOrder("flows")
elseif sortColumn ~= "column_" and sortColumn ~= "" then
tablePreferences("sort_order_flows", sortOrder)
end
if currentPage == nil then
currentPage = 1
else
currentPage = tonumber(currentPage)
end
if perPage == nil then
perPage = getDefaultTableSize()
else
perPage = tonumber(perPage)
tablePreferences("rows_number", perPage)
end
if port ~= nil then
port = tonumber(port)
end
if network_id ~= nil then
network_id = tonumber(network_id)
end
local to_skip = (currentPage - 1) * perPage
local a2z = false
if sortOrder == "desc" then
a2z = false
else
a2z = true
end
local pageinfo = {
["perPage"] = perPage,
["currentPage"] = currentPage,
["sortOrder"] = sortOrder or "",
["sortColumn"] = sortColumn or "",
["toSkip"] = to_skip,
["maxHits"] = perPage,
["a2zSortOrder"] = a2z,
["hostFilter"] = host,
["portFilter"] = port,
["LocalNetworkFilter"] = network_id,
["ifaceIndex"] = iface_index
}
if application ~= nil and application ~= "" then
local param = string.split(application, "%.")
if param and #param == 2 then
-- Example 5.26
pageinfo["l7protoFilter"] = application
else
if not tonumber(application) then
pageinfo["l7protoFilter"] = interface.getnDPIProtoId(application)
else
pageinfo["l7protoFilter"] = tonumber(application)
end
end
end
if category ~= nil and category ~= "" then
if tonumber(category) then
pageinfo["l7categoryFilter"] = tonumber(category)
else
pageinfo["l7categoryFilter"] = interface.getnDPICategoryId(category)
end
end
if traffic_profile ~= nil then
pageinfo["trafficProfileFilter"] = traffic_profile
end
if not isEmptyString(flowhosts_type) then
if flowhosts_type == "local_origin_remote_target" then
pageinfo["clientMode"] = "local"
pageinfo["serverMode"] = "remote"
elseif flowhosts_type == "local_only" then
pageinfo["clientMode"] = "local"
pageinfo["serverMode"] = "local"
elseif flowhosts_type == "remote_origin_local_target" then
pageinfo["clientMode"] = "remote"
pageinfo["serverMode"] = "local"
elseif flowhosts_type == "remote_only" then
pageinfo["clientMode"] = "remote"
pageinfo["serverMode"] = "remote"
end
end
if not isEmptyString(traffic_type) then
if traffic_type:contains("unicast") then
pageinfo["unicast"] = true
else
pageinfo["unicast"] = false
end
if traffic_type:contains("one_way") then
pageinfo["unidirectional"] = true
end
end
if not isEmptyString(alert_type) then
if alert_type == "normal" then
pageinfo["alertedFlows"] = false
pageinfo["filteredFlows"] = false
elseif alert_type == "alerted" then
pageinfo["alertedFlows"] = true
elseif alert_type == "periodic" then
pageinfo["periodicFlows"] = true
pageinfo["filteredFlows"] = false
elseif alert_type == "filtered" then
pageinfo["filteredFlows"] = true
else
pageinfo["statusFilter"] = tonumber(alert_type) or alert_type
end
end
if not isEmptyString(alert_type_severity) then
local s = alert_consts.severity_groups[alert_type_severity]
if s then
pageinfo["statusSeverityFilter"] = s.severity_group_id
end
end
if not isEmptyString(ipversion) then
pageinfo["ipVersion"] = tonumber(ipversion)
end
if not isEmptyString(l4proto) then
pageinfo["L4Protocol"] = tonumber(l4proto)
end
if not isEmptyString(vlan) then
pageinfo["vlanIdFilter"] = tonumber(vlan)
end
if not isEmptyString(username) then
pageinfo["usernameFilter"] = username
end
if not isEmptyString(pid_name) then
pageinfo["pidnameFilter"] = pid_name
end
if not isEmptyString(container) then
pageinfo["container"] = container
end
if not isEmptyString(pod) then
pageinfo["pod"] = pod
end
if not isEmptyString(deviceIP) then
pageinfo["deviceIpFilter"] = deviceIP
if not isEmptyString(inIfIdx) then
pageinfo["inIndexFilter"] = tonumber(inIfIdx)
end
if not isEmptyString(outIfIdx) then
pageinfo["outIndexFilter"] = tonumber(outIfIdx)
end
end
if not isEmptyString(asn) then
pageinfo["asnFilter"] = tonumber(asn)
end
pageinfo["icmp_type"] = tonumber(icmp_type)
pageinfo["icmp_code"] = tonumber(icmp_code)
if not isEmptyString(dscp_filter) then
pageinfo["dscpFilter"] = tonumber(dscp_filter)
end
if not isEmptyString(talking_with) then
pageinfo["talkingWith"] = talking_with
end
if not isEmptyString(host_pool) then
pageinfo["poolFilter"] = tonumber(host_pool)
end
if not isEmptyString(tcp_state) then
pageinfo["tcpFlowStateFilter"] = tcp_state
end
if not isEmptyString(client) then
pageinfo["client"] = client
end
if not isEmptyString(server) then
pageinfo["server"] = server
end
if not isEmptyString(flow_info) then
pageinfo["flow_info"] = flow_info
end
return pageinfo
end
-- #######################
function handleCustomFlowField(key, value, snmpdevice)
if key == 'TCP_FLAGS' then
return (formatTcpFlags(value))
elseif key == 'INPUT_SNMP' then
return (formatInterfaceId(value, "inIfIdx", snmpdevice))
elseif key == 'OUTPUT_SNMP' then
return (formatInterfaceId(value, "outIfIdx", snmpdevice))
elseif key == 'TOTAL_FLOWS_EXP' then
return (format_utils.formatValue(value))
elseif key == 'EXPORTER_IPV4_ADDRESS' or key == 'NPROBE_IPV4_ADDRESS' then
if ntop.isPro() then
return ("<A HREF=\"" .. ntop.getHttpPrefix() .. "/lua/pro/enterprise/flowdevice_details.lua?ip=" .. value ..
"\">" .. value .. "</A>")
else
return (value)
end
elseif key == 'FLOW_USER_NAME' then
elems = string.split(value, ';')
if ((elems ~= nil) and (#elems == 6)) then
r = '<table class="table table-bordered table-striped">'
imsi = elems[1]
mcc = string.sub(imsi, 1, 3)
if (flow_consts.mobile_country_code[mcc] ~= nil) then
mcc_name = " [" .. flow_consts.mobile_country_code[mcc] .. "]"
else
mcc_name = ""
end
r = r .. "<th>" .. i18n("flow_details.imsi") .. "</th><td>" .. elems[1] .. mcc_name
r = r ..
" <A HREF='http://www.numberingplans.com/?page=analysis&sub=imsinr'><i class='fas fa-info'></i></A></td></tr>"
r = r .. "<th>" .. i18n("flow_details.nsapi") .. "</th><td>" .. elems[2] .. "</td></tr>"
r = r .. "<th>" .. i18n("flow_details.gsm_cell_lac") .. "</th><td>" .. elems[3] .. "</td></tr>"
r = r .. "<th>" .. i18n("flow_details.gsm_cell_identifier") .. "</th><td>" .. elems[4] .. "</td></tr>"
r = r .. "<th>" .. i18n("flow_details.sac_service_area_code") .. "</th><td>" .. elems[5] .. "</td></tr>"
r = r .. "<th>" .. i18n("ip_address") .. "</th><td>" .. ntop.inet_ntoa(elems[6]) .. "</td></tr>"
r = r .. "</table>"
return (r)
else
return (value)
end
elseif key == 'SIP_TRYING_TIME' or key == 'SIP_RINGING_TIME' or key == 'SIP_INVITE_TIME' or key ==
'SIP_INVITE_OK_TIME' or key == 'SIP_INVITE_FAILURE_TIME' or key == 'SIP_BYE_TIME' or key == 'SIP_BYE_OK_TIME' or
key == 'SIP_CANCEL_TIME' or key == 'SIP_CANCEL_OK_TIME' then
if (value ~= '0') then
return (formatEpoch(value))
else
return "0"
end
elseif key == 'RTP_IN_JITTER' or key == 'RTP_OUT_JITTER' then
if (value ~= nil and value ~= '0') then
return (value / 1000)
else
return 0
end
elseif key == 'RTP_IN_MAX_DELTA' or key == 'RTP_OUT_MAX_DELTA' or key == 'RTP_MOS' or key == 'RTP_R_FACTOR' or key ==
'RTP_IN_MOS' or key == 'RTP_OUT_MOS' or key == 'RTP_IN_R_FACTOR' or key == 'RTP_OUT_R_FACTOR' or key ==
'RTP_IN_TRANSIT' or key == 'RTP_OUT_TRANSIT' then
if (value ~= nil and value ~= '0') then
return (value / 100)
else
return 0
end
end
-- Unformatted value
if (type(value) == "boolean") then
if (value) then
value = i18n("yes")
else
value = i18n("no")
end
end
return value
end
-- #######################
function formatTcpFlags(flags)
if (flags == 0) then
return ("")
end
rsp = "<A HREF=\"http://en.wikipedia.org/wiki/Transmission_Control_Protocol\">"
if ((flags & 1) == 2) then
rsp = rsp .. " SYN "
end
if ((flags & 16) == 16) then
rsp = rsp .. " ACK "
end
if ((flags & 1) == 1) then
rsp = rsp .. " FIN "
end
if ((flags & 4) == 4) then
rsp = rsp .. " RST "
end
if ((flags & 8) == 8) then
rsp = rsp .. " PUSH "
end
return (rsp .. "</A>")
end
-- #######################
local dns_types = {
['A'] = 1,
['NS'] = 2,
['MD'] = 3,
['MF'] = 4,
['CNAME'] = 5,
['SOA'] = 6,
['MB'] = 7,
['MG'] = 8,
['MR'] = 9,
['NULL'] = 10,
['WKS'] = 11,
['PTR'] = 12,
['HINFO'] = 13,
['MINFO'] = 14,
['MX'] = 15,
['TXT'] = 16,
['AAAA'] = 28,
['A6'] = 38,
['SPF'] = 99,
['AXFR'] = 252,
['MAILB'] = 253,
['MAILA'] = 254,
['ANY'] = 255
}
-- #######################
function get_dns_type(dns_type_name)
if dns_types[dns_type_name] then
return dns_types[dns_type_name]
else
return 0
end
end
-- #######################
function get_dns_type_label(dns_type)
dns_type = tonumber(dns_type)
if dns_type then
for k, v in pairs(dns_types) do
if v == dns_type then
return k
end
end
end
return string.format("%u", dns_type)
end
-- #######################
function extractSIPCaller(caller)
local i
local j
-- find string between \" and \"
i = string.find(caller, "\\\"")
if (i ~= nil) then
j = string.find(caller, "\\\"", i + 2)
if (j ~= nil) then
return string.sub(caller, i + 2, j - 1)
end
end
-- find string between " and "
i = string.find(caller, "\"")
if (i ~= nil) then
j = string.find(caller, "\"", i + 1)
if (j ~= nil) then
return string.sub(caller, i + 1, j - 1)
end
end
-- find string between : and @
i = string.find(caller, ":")
if (i ~= nil) then
j = string.find(caller, "@", i + 1)
if (j ~= nil) then
return string.sub(caller, i + 1, j - 1)
end
end
return caller
end
-- #######################
function map_failure_resp_code(fail_resp_code_string)
if (fail_resp_code_string ~= nil) then
if (fail_resp_code_string == "200") then
return "OK"
end
if (fail_resp_code_string == "100") then
return "TRYING"
end
if (fail_resp_code_string == "180") then
return "RINGING"
end
if (tonumber(fail_resp_code_string) > 399) then
return "FAILURE"
end
end
return fail_resp_code_string
end
-- #######################
local function formatFlowHost(flow, cli_or_srv, historical_bounds, hyperlink_suffix)
local hyperlink_params
if historical_bounds then
hyperlink_params = {
page = "historical",
epoch_begin = historical_bounds[1],
epoch_end = historical_bounds[2],
detail_view = "top_l7_contacts"
}
elseif type(hyperlink_suffix) == "table" then
hyperlink_params = hyperlink_suffix
end
local host
local tooltip = ''
if (cli_or_srv) then
host = interface.getHostMinInfo(flow[cli_or_srv .. ".ip"], flow[cli_or_srv .. ".vlan"])
else
host = interface.getHostMinInfo(flow[cli_or_srv .. ".ip"], flow[cli_or_srv .. ".vlan"])
end
local host_name
if (host ~= nil) then
host_name = host["name"]
tooltip = host["ip"]
if isEmptyString(host_name) then
host_name = host["ip"]
tooltip = ''
end
end
if (host_name == nil) then
host_name = ""
end
host_name = host_name .. format_utils.formatFullAddressCategory(host)
local mac
if (host == nil) then
mac = nil
else
mac = host["mac"]
end
return
hostinfo2detailshref(flow2hostinfo(flow, cli_or_srv), hyperlink_params, host_name, tooltip, true --[[ perform link existance checks --]] ),
mac
end
function formatFlowPort(flow, cli_or_srv, port, historical_bounds)
if not historical_bounds then
return "<A HREF=\"" .. ntop.getHttpPrefix() .. "/lua/flows_stats.lua?port=" .. port .. "\">" .. port .. "</A>"
end
-- TODO port filter
return hostinfo2detailshref(flow2hostinfo(flow, cli_or_srv), {
page = "historical",
epoch_begin = historical_bounds[1],
epoch_end = historical_bounds[2],
detail_view = "flows",
port = port
}, port, port, true --[[ check href existance --]] )
end
function getFlowLabel(flow, show_macs, add_hyperlinks, historical_bounds, hyperlink_suffix, add_flag, add_hostnames, nohtml)
if flow == nil then
return ""
end
local cli_name = flowinfo2hostname(flow, "cli", nil, add_hostnames)
local srv_name = flowinfo2hostname(flow, "srv", nil, add_hostnames)
local cli_mac = flow["cli.mac"]
local srv_mac = flow["srv.mac"]
local cli_as = nil
local srv_as = nil
if ((not isIPv4(cli_name)) and (not isIPv6(cli_name))) then
cli_name = shortenString(cli_name)
end
if ((not isIPv4(srv_name)) and (not isIPv6(srv_name))) then
srv_name = shortenString(srv_name)
end
local cli_port
local srv_port
if flow["cli.port"] and (flow["cli.port"] > 0 or flow["proto.l4"] == "TCP" or flow["proto.l4"] == "UDP") then
cli_port = flow["cli.port"]
end
if flow["srv.port"] and (flow["srv.port"] > 0 or flow["proto.l4"] == "TCP" or flow["proto.l4"] == "UDP") then
srv_port = flow["srv.port"]
end
if add_hyperlinks then
cli_name, cli_mac = formatFlowHost(flow, "cli", historical_bounds, hyperlink_suffix)
srv_name, srv_mac = formatFlowHost(flow, "srv", historical_bounds, hyperlink_suffix)
if cli_port then
cli_port = formatFlowPort(flow, "cli", cli_port, historical_bounds)
end
if srv_port then
srv_port = formatFlowPort(flow, "srv", srv_port, historical_bounds)
end
if ((flow.cli_as ~= nil) and (flow.cli_as ~= 0)) then
cli_as = "<A HREF=\"" .. ntop.getHttpPrefix() .. "/lua/hosts_stats.lua?asn=" .. flow.cli_as .. "\">" ..
shortenString(flow.cli_as_name or "", 14) .. "</A>"
cli_mac = ""
else
if cli_mac and (cli_mac ~= "00:00:00:00:00:00") and not interface.isView() then
cli_mac = "<A HREF=\"" .. ntop.getHttpPrefix() .. "/lua/hosts_stats.lua?mac=" .. cli_mac .. "\">" ..
cli_mac .. "</A>"
elseif interface.isView() and (cli_mac ~= "00:00:00:00:00:00") then
cli_mac = cli_mac or ""
else
cli_mac = ""
end
end
if ((flow.dst_as ~= nil) and (flow.dst_as ~= 0)) then
dst_as = "<A HREF=\"" .. ntop.getHttpPrefix() .. "/lua/hosts_stats.lua?asn=" .. flow.dst_as .. "\">" ..
shortenString(flow.dst_as_name or "", 14) .. "</A>"
srv_mac = ""
else
if srv_mac and (srv_mac ~= "00:00:00:00:00:00") and not interface.isView() then
srv_mac = "<A HREF=\"" .. ntop.getHttpPrefix() .. "/lua/hosts_stats.lua?mac=" .. srv_mac .. "\">" ..
srv_mac .. "</A>"
elseif interface.isView() and (srv_mac ~= "00:00:00:00:00:00") then
srv_mac = srv_mac or ""
else
srv_mac = ""
end
end
end
local label = ""
if not isEmptyString(cli_name) then
label = label .. cli_name
end
if add_flag then
local info = interface.getHostInfo(flow["cli.ip"], flow["cli.vlan"])
if (info ~= nil) then
label = label .. getFlag(info["country"])
end
end
if cli_port then
label = label .. ":" .. cli_port
end
if (cli_as ~= nil) then
label = label .. " [ " .. cli_as .. " ]"
else
if show_macs and not isEmptyString(cli_mac) then
label = label .. " [ " .. cli_mac .. " ]"
end
end
if (not nohtml) then
label = label .. "&nbsp; <i class=\"fas fa-exchange-alt fa-lg\" aria-hidden=\"true\"></i> &nbsp;"
else
label = label .. " -> "
end
if not isEmptyString(srv_name) then
label = label .. srv_name
end
if add_flag then
local info = interface.getHostInfo(flow["srv.ip"], flow["srv.vlan"])
if (info ~= nil) then
label = label .. getFlag(info["country"])
end
end
if srv_port then
label = label .. ":" .. srv_port
end
if (dst_as ~= nil) then
label = label .. " [ " .. dst_as .. " ]"
else
if show_macs and not isEmptyString(srv_mac) then
label = label .. " [ " .. srv_mac .. " ]"
end
end
local s_info = flow2alertinfo(flow)
if (s_info ~= nil) then
if (not isEmptyString(s_info.info)) then
label = label .. " [" .. s_info.info .. "]"
end
end
return label
end
-- #######################
function getFlowKey(name)
if tonumber(name) then
name = getFlowLabelFromId(name)
end
local s = flow_consts.flow_fields_description[name]
if (s == nil) then
-- Try to decode the name as <PEN>.<FIELD>
-- then try to look up the name or directly the field
-- in the rtemplate (pen is ignored).
-- TODO: currently rtemplate is flat and PENs are ignored, we should add PEN there
local pen, field = name:match("^(%d+)%.(%d+)$")
local v = (rtemplate[tonumber(name)] or rtemplate[tonumber(field)])
if (v == nil) then
return (name)
end
s = flow_consts.flow_fields_description[v]
end
if (s ~= nil) then
s = string.gsub(s, "<", "&lt;")
s = string.gsub(s, ">", "&gt;")
return (s)
else
return (name)
end
end
-- #######################
function fieldIDToFieldName(id)
local id_num
local name
local pen_id = string.split(id, "%.")
if pen_id then
id_num = tonumber(pen_id[2])
else
id_num = tonumber(id)
end
if id_num then
name = rtemplate[id_num]
else
name = id
end
return name
end
-- #######################
function isFieldProtocol(protocol, field)
if not field or not protocol then
return false
end
local key_name = fieldIDToFieldName(field)
if not key_name then
return false
end
if starts(key_name, protocol) then
return true
end
return false
end
-- #######################
function removeProtocolFields(protocol, array)
elements_to_remove = {}
n = 0
for key, value in pairs(array) do
if (isFieldProtocol(protocol, key)) then
elements_to_remove[n] = key
n = n + 1
end
end
for key, value in pairs(elements_to_remove) do
if (value ~= nil) then
array[value] = nil
end
end
return array
end
-- #######################
function isFlowValueDefined(info, field)
if (info[field] ~= nil) then
return true
else
for key, value in pairs(info) do
local key_name = fieldIDToFieldName(key)
if (key_name == field) then
return true
end
end
end
return false
end
-- #######################
function getFlowValue(info, field)
local return_value = "0"
local value_original = "0"
if ((info == nil) or (table.len(info) == 0)) then
return ("")
end
if (info[field] ~= nil) then
return_value = handleCustomFlowField(field, info[field])
value_original = info[field]
else
for key, value in pairs(info) do
local key_name = fieldIDToFieldName(key)
if (key_name == field) then
return_value = handleCustomFlowField(key_name, value)
value_original = value
end
end
end
return_value = string.gsub(return_value, "<", "&lt;")
return_value = string.gsub(return_value, ">", "&gt;")
return_value = string.gsub(return_value, "\"", "\\\"")
-- io.write(field.." = ["..return_value..","..value_original.."]\n")
return return_value, value_original
end
-- #######################
function mapCallState(call_state)
-- return call_state
if (call_state == "CALL_STARTED") then
return ("<span class=\"badge bg-secondary\">" .. (i18n("flow_details.call_started")) .. "</span>")
elseif (call_state == "CALL_IN_PROGRESS") then
return ("<span class=\"badge bg-info\"><i class=\"fas fa-phone\"></i> " .. i18n("flow_details.ongoing_call") .. "</span>")
elseif (call_state == "CALL_COMPLETED") then
return ("<span class=\"badge bg-success\">" .. i18n("flow_details.call_completed") .. "</span>")
elseif (call_state == "CALL_ERROR") then
return ("<span class=\"badge bg-danger\">" .. i18n("flow_details.call_error") .. "</span>")
elseif (call_state == "CALL_CANCELED") then
return ("<span class=\"badge bg-warning\">" .. i18n("flow_details.call_canceled") .. "</span>")
else
return ("<span class=\"badge bg-secondary\">" .. call_state .. "</span>")
end
end
-- #######################
function isThereProtocol(protocol, info)
local found = 0
for key, value in pairs(info) do
if isFieldProtocol(protocol, key) then
found = 1
break
end
end
return found
end
-- #######################
function isThereSIPCall(info)
local retVal = 0
local call_state = getFlowValue(info, "SIP_CALL_STATE")
if ((call_state ~= nil) and (call_state ~= "")) then
retVal = 1
end
return retVal
end
-- #######################
function getSIPInfo(infoPar)
local called_party = ""
local calling_party = ""
local sip_found_flow
local returnString = ""
local infoFlow, posFlow, errFlow = json.decode(infoPar["moreinfo.json"], 1, nil)
if (infoFlow ~= nil) then
sip_found_flow = isThereSIPCall(infoFlow)
if (sip_found_flow == 1) then
called_party = getFlowValue(infoFlow, "SIP_CALLED_PARTY")
calling_party = getFlowValue(infoFlow, "SIP_CALLING_PARTY")
called_party = string.gsub(called_party, "\\\"", "\"")
calling_party = string.gsub(calling_party, "\\\"", "\"")
called_party = extractSIPCaller(called_party)
calling_party = extractSIPCaller(calling_party)
if (((called_party == nil) or (called_party == "")) and ((calling_party == nil) or (calling_party == ""))) then
returnString = ""
else
returnString = calling_party .. " <i class='fas fa-exchange-alt fa-sm' aria-hidden='true'></i> " ..
called_party
end
end
end
return returnString
end
-- #######################
function getRTPInfo(infoPar)
local call_id
local returnString = ""
local infoFlow, posFlow, errFlow = json.decode(infoPar["moreinfo.json"], 1, nil)
if infoFlow ~= nil then
call_id = getFlowValue(infoFlow, "RTP_SIP_CALL_ID")
if tostring(call_id) ~= "" then
call_id = "<i class='fas fa-phone fa-sm' aria-hidden='true' title='SIP Call-ID'></i>&nbsp;" .. call_id
else
call_id = ""
end
returnString = call_id
end
if (infoPar.rtp_stream_type ~= nil) then
if (infoPar.rtp_stream_type == "screen_share") then
returnString = '<i class="fas fa-desktop"></i> <span class="badge bg-secondary">' .. i18n("rtp.screen_share") ..'</span>'
elseif (infoPar.rtp_stream_type == "audio") then
returnString = '<i class="fas fa-volume-up"></i> <span class="badge bg-secondary">' .. i18n("rtp.audio") .. '</span>'
elseif (infoPar.rtp_stream_type == "video") then
returnString = '<i class="fas fa-video"></i> <span class="badge bg-secondary">' .. i18n("rtp.video") .. '</span>'
elseif (infoPar.rtp_stream_type == "audio_video") then
returnString = '<i class="fas fa-video"></i> <span class="badge bg-secondary">' .. i18n("rtp.audio_video") .. '</span>'
end
end
return returnString
end
-- #######################
function getSIPTableRows(info)
local string_table = ""
local call_id = ""
local call_id_ico = "<i class='fas fa-phone' aria-hidden='true'></i>&nbsp;"
local called_party = ""
local calling_party = ""
local rtp_codecs = ""
local sip_rtp_src_addr = 0
local sip_rtp_dst_addr = 0
local print_second = 0
local print_second_2 = 0
-- check if there is a SIP field
local sip_found = isThereProtocol("SIP", info)
if (sip_found == 1) then
sip_found = isThereSIPCall(info)
end
if (sip_found == 1) then
string_table = string_table .. "<tr><th colspan=3 >" .. i18n("flow_details.sip_protocol_information") ..
"</th></tr>\n"
call_id = getFlowValue(info, "SIP_CALL_ID")
if ((call_id == nil) or (call_id == "")) then
string_table = string_table .. "<tr id=\"call_id_tr\" style=\"display: none;\"><th width=33%> " ..
i18n("flow_details.call_id") .. " " .. call_id_ico ..
"</th><td colspan=2><div id=call_id></div></td></tr>\n"
else
string_table = string_table .. "<tr id=\"call_id_tr\" style=\"display: table-row;\"><th width=33%> " ..
i18n("flow_details.call_id") .. " " .. call_id_ico ..
"</th><td colspan=2><div id=call_id>" .. call_id .. "</div></td></tr>\n"
end
if ((getFlowValue(info, "SIP_CALL_STATE") == nil) or (getFlowValue(info, "SIP_CALL_STATE") == "")) then
string_table = string_table .. "<tr id=\"sip_call_state_tr\" style=\"display: none;\"><th width=33%> " ..
i18n("flow_details.call_state") ..
" </th><td colspan=2><div id=call_state></div></td></tr>\n"
else
string_table =
string_table .. "<tr id=\"sip_call_state_tr\" style=\"display: table-row;\"><th width=33%> " ..
i18n("flow_details.call_state") .. " </th><td colspan=2><div id=call_state>" ..
mapCallState(getFlowValue(info, "SIP_CALL_STATE")) .. "</div></td></tr>\n"
end
called_party = getFlowValue(info, "SIP_CALLED_PARTY")
calling_party = getFlowValue(info, "SIP_CALLING_PARTY")
called_party = string.gsub(called_party, "\\\"", "\"")
calling_party = string.gsub(calling_party, "\\\"", "\"")
called_party = extractSIPCaller(called_party)
calling_party = extractSIPCaller(calling_party)
if (((called_party == nil) or (called_party == "")) and ((calling_party == nil) or (calling_party == ""))) then
string_table = string_table .. "<tr id=\"called_calling_tr\" style=\"display: none;\"><th>" ..
i18n("flow_details.call_initiator") .. " <i class=\"fas fa-exchange-alt fa-lg\"></i> " ..
i18n("flow_details.called_party") ..
"</th><td colspan=2><div id=calling_called_party></div></td></tr>\n"
else
string_table = string_table .. "<tr id=\"called_calling_tr\" style=\"display: table-row;\"><th>" ..
i18n("flow_details.call_initiator") .. " <i class=\"fas fa-exchange-alt fa-lg\"></i> " ..
i18n("flow_details.called_party") .. "</th><td colspan=2><div id=calling_called_party>" ..
calling_party .. " <i class=\"fas fa-exchange-alt fa-lg\"></i> " .. called_party ..
"</div></td></tr>\n"
end
rtp_codecs = getFlowValue(info, "SIP_RTP_CODECS")
if ((rtp_codecs == nil) or (rtp_codecs == "")) then
string_table = string_table .. "<tr id=\"rtp_codecs_tr\" style=\"display: none;\"><th width=33%>" ..
i18n("flow_details.rtp_codecs") ..
"</th><td colspan=2> <div id=rtp_codecs></></td></tr>\n"
else
string_table = string_table .. "<tr id=\"rtp_codecs_tr\" style=\"display: table-row;\"><th width=33%>" ..
i18n("flow_details.rtp_codecs") .. "</th><td colspan=2> <div id=rtp_codecs>" ..
rtp_codecs .. "</></td></tr>\n"
end
local string_table_1 = ""
local string_table_2 = ""
local string_table_3 = ""
local string_table_4 = ""
local string_table_5 = ""
local show_rtp_stream = 0
if ((getFlowValue(info, "SIP_RTP_IPV4_SRC_ADDR") ~= nil) and (getFlowValue(info, "SIP_RTP_IPV4_SRC_ADDR") ~= "")) then
sip_rtp_src_addr = 1
string_table_1 = getFlowValue(info, "SIP_RTP_IPV4_SRC_ADDR")
if (string_table_1 ~= "0.0.0.0") then
sip_rtp_src_address_ip = string_table_1
interface.select(ifname)
rtp_host = interface.getHostInfo(string_table_1)
if (rtp_host ~= nil) then
string_table_1 = hostinfo2detailshref(rtp_host, nil, sip_rtp_src_address_ip)
end
end
show_rtp_stream = 1
end
if ((getFlowValue(info, "SIP_RTP_L4_SRC_PORT") ~= nil) and (getFlowValue(info, "SIP_RTP_L4_SRC_PORT") ~= "") and
(sip_rtp_src_addr == 1)) then
-- string_table = string_table ..":"..getFlowValue(info, "SIP_RTP_L4_SRC_PORT")
-- string_table_2 = ":"..getFlowValue(info, "SIP_RTP_L4_SRC_PORT")
sip_rtp_src_port = getFlowValue(info, "SIP_RTP_L4_SRC_PORT")
string_table_2 =
":<A HREF=\"" .. ntop.getHttpPrefix() .. "/lua/flows_stats.lua?port=" .. sip_rtp_src_port .. "\">"
string_table_2 = string_table_2 .. sip_rtp_src_port
string_table_2 = string_table_2 .. "</A>"
show_rtp_stream = 1
end
if ((sip_rtp_src_addr == 1) or
((getFlowValue(info, "SIP_RTP_IPV4_DST_ADDR") ~= nil) and
(getFlowValue(info, "SIP_RTP_IPV4_DST_ADDR") ~= ""))) then
-- string_table = string_table.." <i class=\"fas fa-exchange-alt fa-lg\"></i> "
string_table_3 = " <i class=\"fas fa-exchange-alt fa-lg\"></i> "
show_rtp_stream = 1
end
if ((getFlowValue(info, "SIP_RTP_IPV4_DST_ADDR") ~= nil) and (getFlowValue(info, "SIP_RTP_IPV4_DST_ADDR") ~= "")) then
sip_rtp_dst_addr = 1
string_table_4 = getFlowValue(info, "SIP_RTP_IPV4_DST_ADDR")
if (string_table_4 ~= "0.0.0.0") then
sip_rtp_dst_address_ip = string_table_4
interface.select(ifname)
rtp_host = interface.getHostInfo(string_table_4)
if (rtp_host ~= nil) then
string_table_4 = hostinfo2detailshref(rtp_host, nil, sip_rtp_dst_address_ip)
end
end
show_rtp_stream = 1
end
if ((getFlowValue(info, "SIP_RTP_L4_DST_PORT") ~= nil) and (getFlowValue(info, "SIP_RTP_L4_DST_PORT") ~= "") and
(sip_rtp_dst_addr == 1)) then
-- string_table = string_table ..":"..getFlowValue(info, "SIP_RTP_L4_DST_PORT")
-- string_table_5 = ":"..getFlowValue(info, "SIP_RTP_L4_DST_PORT")
sip_rtp_dst_port = getFlowValue(info, "SIP_RTP_L4_DST_PORT")
string_table_5 =
":<A HREF=\"" .. ntop.getHttpPrefix() .. "/lua/flows_stats.lua?port=" .. sip_rtp_dst_port .. "\">"
string_table_5 = string_table_5 .. sip_rtp_dst_port
string_table_5 = string_table_5 .. "</A>"
show_rtp_stream = 1
end
if (show_rtp_stream == 1) then
string_table = string_table .. "<tr id=\"rtp_stream_tr\" style=\"display: table-row;\"><th width=33%>" ..
i18n("flow_details.rtp_stream_peers") ..
" (src <i class=\"fas fa-exchange-alt fa-lg\"></i> dst)</th><td colspan=2><div id=rtp_stream>"
else
string_table = string_table .. "<tr id=\"rtp_stream_tr\" style=\"display: none;\"><th width=33%>" ..
i18n("flow_details.rtp_stream_peers") ..
" (src <i class=\"fas fa-exchange-alt fa-lg\"></i> dst)</th><td colspan=2><div id=rtp_stream>"
end
string_table = string_table .. string_table_1 .. string_table_2 .. string_table_3 .. string_table_4 ..
string_table_5
local rtp_flow_key = interface.getFlowKey(sip_rtp_src_address_ip or "", tonumber(sip_rtp_src_port) or 0,
sip_rtp_dst_address_ip or "", tonumber(sip_rtp_dst_port) or 0, 17 --[[ UDP --]] )
-- TODO: fix
if tonumber(rtp_flow_key) ~= nil and interface.findFlowByKeyAndHashId(tonumber(rtp_flow_key), 0) ~= nil then
string_table = string_table .. '&nbsp;'
string_table = string_table .. "<A class='btn btn-sm btn-info' HREF=\"" .. ntop.getHttpPrefix() ..
"/lua/flow_details.lua?flow_key=" .. rtp_flow_key
string_table = string_table .. "&label=" .. sip_rtp_src_address_ip .. ":" .. sip_rtp_src_port
string_table = string_table .. " <-> "
string_table = string_table .. sip_rtp_dst_address_ip .. ":" .. sip_rtp_dst_port .. "\">"
string_table = string_table .. '<i class="fas fa-search-plus"></i></a>'
end
string_table = string_table .. "</div></td></tr>\n"
val, val_original = getFlowValue(info, "SIP_REASON_CAUSE")
if (val_original ~= "0") then
string_table = string_table ..
"<tr id=\"cbf_reason_cause_tr\" style=\"display: table-row;\"><th width=33%> " ..
i18n("flow_details.cancel_bye_failure_reason_cause") ..
" </th><td colspan=2><div id=reason_cause>"
string_table = string_table .. val
else
string_table = string_table .. "<tr id=\"cbf_reason_cause_tr\" style=\"display: none;\"><th width=33%> " ..
i18n("flow_details.cancel_bye_failure_reason_cause") ..
" </th><td colspan=2><div id=reason_cause>"
end
string_table = string_table .. "</div></td></tr>\n"
if isFlowValueDefined(info, "SIP_C_IP") then
string_table = string_table .. "<tr id=\"sip_c_ip_tr\" style=\"display: table-row;\"><th width=33%> " ..
i18n("flow_details.c_ip_addresses") .. " </th><td colspan=2><div id=c_ip>" ..
getFlowValue(info, "SIP_C_IP") .. "</div></td></tr>\n"
end
end
return string_table
end
-- #######################
function getRTPTableRows(info)
local string_table = ""
-- check if there is a RTP field
local rtp_found = isThereProtocol("RTP", info)
if (rtp_found == 1) then
-- SSRC
string_table = string_table .. "<tr><th colspan=3 >" .. i18n("flow_details.rtp_protocol_information") ..
"</th></tr>\n"
if isFlowValueDefined(info, "RTP_SSRC") then
sync_source_var = getFlowValue(info, "RTP_SSRC")
if ((sync_source_var == nil) or (sync_source_var == "")) then
sync_source_hide = "style=\"display: none;\""
else
sync_source_hide = "style=\"display: table-row;\""
end
string_table = string_table .. "<tr id=\"sync_source_id_tr\" " .. sync_source_hide .. " ><th> " ..
i18n("flow_details.sync_source_id") .. " </th><td colspan=2><div id=sync_source_id>" ..
sync_source_var .. "</td></tr>\n"
end
-- ROUND-TRIP-TIME
if isFlowValueDefined(info, "RTP_RTT") then
local rtp_rtt_var = getFlowValue(info, "RTP_RTT")
if ((rtp_rtt_var == nil) or (rtp_rtt_var == "")) then
rtp_rtt_hide = "style=\"display: none;\""
else
rtp_rtt_hide = "style=\"display: table-row;\""
end
string_table = string_table .. "<tr id=\"rtt_id_tr\" " .. rtp_rtt_hide .. "><th>" ..
i18n("flow_details.round_trip_time") .. "</th><td colspan=2><span id=rtp_rtt>"
if ((rtp_rtt_var ~= nil) and (rtp_rtt_var ~= "")) then
string_table = string_table .. rtp_rtt_var .. " ms "
end
string_table = string_table .. "</span> <span id=rtp_rtt_trend></span></td></tr>\n"
end
-- RTP-IN-TRASIT
if isFlowValueDefined(info, "RTP_IN_TRANSIT") then
local rtp_in_transit = getFlowValue(info, "RTP_IN_TRANSIT") / 100
local rtp_out_transit = getFlowValue(info, "RTP_OUT_TRANSIT") / 100
if (((rtp_in_transit == nil) or (rtp_in_transit == "")) and
((rtp_out_transit == nil) or (rtp_out_transit == ""))) then
rtp_transit_hide = "style=\"display: none;\""
else
rtp_transit_hide = "style=\"display: table-row;\""
end
string_table = string_table .. "<tr id=\"rtp_transit_id_tr\" " .. rtp_transit_hide .. "><th>" ..
i18n("flow_details.rtp_transit_in_out") .. "</th><td><div id=rtp_transit_in>" ..
getFlowValue(info, "RTP_IN_TRANSIT") .. "</div></td><td><div id=rtp_transit_out>" ..
getFlowValue(info, "RTP_OUT_TRANSIT") .. "</div></td></tr>\n"
end
-- TONES
if isFlowValueDefined(info, "RTP_DTMF_TONES") then
local rtp_dtmf_var = getFlowValue(info, "RTP_DTMF_TONES")
if ((rtp_dtmf_var == nil) or (rtp_dtmf_var == "")) then
rtp_dtmf_hide = "style=\"display: none;\""
else
rtp_dtmf_hide = "style=\"display: table-row;\""
end
string_table = string_table .. "<tr id=\"dtmf_id_tr\" " .. rtp_dtmf_hide .. "><th>" ..
i18n("flow_details.dtmf_tones_sent") .. "</th><td colspan=2><span id=dtmf_tones>" ..
rtp_dtmf_var .. "</span></td></tr>\n"
end
-- FIRST REQUEST
if isFlowValueDefined(info, "RTP_FIRST_SEQ") then
local first_flow_sequence_var = getFlowValue(info, "RTP_FIRST_SEQ")
local last_flow_sequence_var = getFlowValue(info, "RTP_FIRST_SEQ")
if (((first_flow_sequence_var == nil) or (first_flow_sequence_var == "")) and
((last_flow_sequence_var == nil) or (last_flow_sequence_var == ""))) then
first_last_flow_sequence_hide = "style=\"display: none;\""
else
first_last_flow_sequence_hide = "style=\"display: table-row;\""
end
string_table =
string_table .. "<tr id=\"first_last_flow_sequence_id_tr\" " .. first_last_flow_sequence_hide .. "><th>" ..
i18n("flow_details.first_last_flow_sequence") .. "</th><td><div id=first_flow_sequence>" ..
first_flow_sequence_var .. "</div></td><td><div id=last_flow_sequence>" .. last_flow_sequence_var ..
"</div></td></tr>\n"
end
-- CALL-ID
if isFlowValueDefined(info, "RTP_SIP_CALL_ID") then
local sip_call_id_var = getFlowValue(info, "RTP_SIP_CALL_ID")
if ((sip_call_id_var == nil) or (sip_call_id_var == "")) then
sip_call_id_hide = "style=\"display: none;\""
else
sip_call_id_hide = "style=\"display: table-row;\""
end
string_table = string_table .. "<tr id=\"sip_call_id_tr\" " .. sip_call_id_hide .. "><th> " ..
i18n("flow_details.sip_call_id") ..
" <i class='fas fa-phone fa-sm' aria-hidden='true' title='SIP Call-ID'></i>&nbsp;</th><td colspan=2><div id=rtp_sip_call_id>" ..
sip_call_id_var .. "</div></td></tr>\n"
end
if isEmptyString(getFlowValue(info, "RTP_CALL_STATE")) then
string_table = string_table .. "<tr id=\"rtp_call_state_tr\" style=\"display: none;\"><th width=33%> " ..
i18n("flow_details.call_state") ..
" </th><td colspan=2><div id=call_state></div></td></tr>\n"
else
string_table =
string_table .. "<tr id=\"rtp_call_state_tr\" style=\"display: table-row;\"><th width=33%> " ..
i18n("flow_details.call_state") .. " </th><td colspan=2><div id=call_state>" ..
mapCallState(getFlowValue(info, "RTP_CALL_STATE")) .. "</div></td></tr>\n"
end
-- TWO-WAY CALL-QUALITY INDICATORS
string_table = string_table .. "<tr><th>" .. i18n("flow_details.call_quality_indicators") .. "</th><th>" ..
i18n("flow_details.forward") .. "</th><th>" .. i18n("flow_details.reverse") .. "</th></tr>"
-- JITTER
if isFlowValueDefined(info, "RTP_IN_JITTER") then
local rtp_in_jitter = getFlowValue(info, "RTP_IN_JITTER") / 100
local rtp_out_jitter = getFlowValue(info, "RTP_OUT_JITTER") / 100
if (((rtp_in_jitter == nil) or (rtp_in_jitter == "")) and
((rtp_out_jitter == nil) or (rtp_out_jitter == ""))) then
rtp_out_jitter_hide = "style=\"display: none;\""
else
rtp_out_jitter_hide = "style=\"display: table-row;\""
end
string_table = string_table .. "<tr id=\"jitter_id_tr\" " .. rtp_out_jitter_hide ..
"><th>" .. i18n("flow_details.jitter") ..
"</th><td><span id=jitter_in>"
if ((rtp_in_jitter ~= nil) and (rtp_in_jitter ~= "")) then
string_table = string_table .. rtp_in_jitter .. " ms "
end
string_table = string_table .. "</span> <span id=jitter_in_trend></span></td><td><span id=jitter_out>"
if ((rtp_out_jitter ~= nil) and (rtp_out_jitter ~= "")) then
string_table = string_table .. rtp_out_jitter .. " ms "
end
string_table = string_table .. "</span> <span id=jitter_out_trend></span></td></tr>\n"
end
-- PACKET LOSS
if isFlowValueDefined(info, "RTP_IN_PKT_LOST") then
local rtp_in_pkt_lost = getFlowValue(info, "RTP_IN_PKT_LOST")
local rtp_out_pkt_lost = getFlowValue(info, "RTP_OUT_PKT_LOST")
if (((rtp_in_pkt_lost == nil) or (rtp_in_pkt_lost == "")) and
((rtp_out_pkt_lost == nil) or (rtp_out_pkt_lost == ""))) then
rtp_packet_loss_hide = "style=\"display: none;\""
else
rtp_packet_loss_hide = "style=\"display: table-row;\""
end
string_table = string_table .. "<tr id=\"rtp_packet_loss_id_tr\" " .. rtp_packet_loss_hide ..
"><th>" .. i18n("flow_details.lost_packets") ..
"</th><td><span id=packet_lost_in>"
if ((rtp_in_pkt_lost ~= nil) and (rtp_in_pkt_lost ~= "")) then
string_table = string_table .. formatPackets(rtp_in_pkt_lost)
end
string_table = string_table ..
"</span> <span id=packet_lost_in_trend></span></td><td><span id=packet_lost_out>"
if ((rtp_out_pkt_lost ~= nil) and (rtp_out_pkt_lost ~= "")) then
string_table = string_table .. formatPackets(rtp_out_pkt_lost)
end
string_table = string_table .. " </span> <span id=packet_lost_out_trend></span></td></tr>\n"
end
-- PACKET DROPS
if isFlowValueDefined(info, "RTP_IN_PKT_DROP") then
local rtp_in_pkt_drop = getFlowValue(info, "RTP_IN_PKT_DROP")
local rtp_out_pkt_drop = getFlowValue(info, "RTP_OUT_PKT_DROP")
if (((rtp_in_pkt_drop == nil) or (rtp_in_pkt_drop == "")) and
((rtp_out_pkt_drop == nil) or (rtp_out_pkt_drop == ""))) then
rtp_pkt_drop_hide = "style=\"display: none;\""
else
rtp_pkt_drop_hide = "style=\"display: table-row;\""
end
string_table = string_table .. "<tr id=\"packet_drop_id_tr\" " .. rtp_pkt_drop_hide ..
"><th>" .. i18n("flow_details.dropped_packets") ..
"</th><td><span id=packet_drop_in>"
if ((rtp_in_pkt_drop ~= nil) and (rtp_in_pkt_drop ~= "")) then
string_table = string_table .. formatPackets(rtp_in_pkt_drop)
end
string_table = string_table ..
"</span> <span id=packet_drop_in_trend></span></td><td><span id=packet_drop_out>"
if ((rtp_out_pkt_drop ~= nil) and (rtp_out_pkt_drop ~= "")) then
string_table = string_table .. formatPackets(rtp_out_pkt_drop)
end
string_table = string_table .. " </span> <span id=packet_drop_out_trend></span></td></tr>\n"
end
-- MAXIMUM DELTA BETWEEN CONSECUTIVE PACKETS
if isFlowValueDefined(info, "RTP_IN_MAX_DELTA") then
local rtp_in_max_delta = getFlowValue(info, "RTP_IN_MAX_DELTA")
local rtp_out_max_delta = getFlowValue(info, "RTP_OUT_MAX_DELTA")
if (((rtp_in_max_delta == nil) or (rtp_in_max_delta == "")) and
((rtp_out_max_delta == nil) or (rtp_out_max_delta == ""))) then
rtp_max_delta_hide = "style=\"display: none;\""
else
rtp_max_delta_hide = "style=\"display: table-row;\""
end
string_table = string_table .. "<tr id=\"delta_time_id_tr\" " .. rtp_max_delta_hide ..
"><th>" .. i18n("flow_details.max_packet_interarrival_time") ..
"</th><td><span id=max_delta_time_in>"
if ((rtp_in_max_delta ~= nil) and (rtp_in_max_delta ~= "")) then
string_table = string_table .. rtp_in_max_delta .. " ms "
end
string_table = string_table ..
"</span> <span id=max_delta_time_in_trend></span></td><td><span id=max_delta_time_out>"
if ((rtp_out_max_delta ~= nil) and (rtp_out_max_delta ~= "")) then
string_table = string_table .. rtp_out_max_delta .. " ms "
end
string_table = string_table .. "</span> <span id=max_delta_time_out_trend></span></td></tr>\n"
end
-- PAYLOAD TYPE
if isFlowValueDefined(info, "RTP_IN_PAYLOAD_TYPE") then
local rtp_payload_in_var = formatRtpPayloadType(getFlowValue(info, "RTP_IN_PAYLOAD_TYPE"))
local rtp_payload_out_var = formatRtpPayloadType(getFlowValue(info, "RTP_OUT_PAYLOAD_TYPE"))
if (((rtp_payload_in_var == nil) or (rtp_payload_in_var == "")) and
((rtp_payload_out_var == nil) or (rtp_payload_out_var == ""))) then
rtp_payload_hide = "style=\"display: none;\""
else
rtp_payload_hide = "style=\"display: table-row;\""
end
string_table = string_table .. "<tr id=\"payload_id_tr\" " .. rtp_payload_hide ..
"><th>" .. i18n("flow_details.payload_type") ..
"</th><td><div id=payload_type_in>" .. rtp_payload_in_var ..
"</div></td><td><div id=payload_type_out>" .. rtp_payload_out_var .. "</div></td></tr>\n"
end
-- MOS
if isFlowValueDefined(info, "RTP_IN_MOS") then
local rtp_in_mos = getFlowValue(info, "RTP_IN_MOS")
local rtp_out_mos = getFlowValue(info, "RTP_OUT_MOS")
if (rtp_in_mos == nil or rtp_in_mos == "") and (rtp_out_mos == nil or rtp_out_mos == "") then
quality_mos_hide = "style=\"display: none;\""
else
quality_mos_hide = "style=\"display: table-row;\""
end
string_table = string_table .. "<tr id=\"quality_mos_id_tr\" " .. quality_mos_hide .. ">" ..
"<th>" .. i18n("flow_details.pseudo_mos") .. "</th>" ..
"<td><span id=mos_in_signal></span><span id=mos_in>"
if ((rtp_in_mos ~= nil) and (rtp_in_mos ~= "")) then
string_table = string_table .. MosPercentageBar(rtp_in_mos)
end
string_table = string_table .. "</span> <span id=mos_in_trend></span></td>"
string_table = string_table .. "<td><span id=mos_out_signal></span><span id=mos_out>"
if ((rtp_out_mos ~= nil) and (rtp_out_mos ~= "")) then
string_table = string_table .. MosPercentageBar(rtp_out_mos)
end
string_table = string_table .. "</span> <span id=mos_out_trend></span>" .. "</td></tr>"
end
-- R_FACTOR
if isFlowValueDefined(info, "RTP_IN_R_FACTOR") then
local rtp_in_r_factor = getFlowValue(info, "RTP_IN_R_FACTOR") / 100
local rtp_out_r_factor = getFlowValue(info, "RTP_OUT_R_FACTOR") / 100
if (rtp_in_r_factor == nil or rtp_in_r_factor == "" or rtp_in_r_factor == "0") and
(rtp_out_r_factor == nil or rtp_out_r_factor == "" or rtp_out_r_factor == "0") then
quality_r_factor_hide = "style=\"display: none;\""
else
quality_r_factor_hide = "style=\"display: table-row;\""
end
string_table = string_table .. "<tr id=\"quality_r_factor_id_tr\" " .. quality_r_factor_hide ..
"><th>" .. i18n("flow_details.r_factor") ..
"</th><td><span id=r_factor_in_signal></span><span id=r_factor_in>"
if ((rtp_in_r_factor ~= nil) and (rtp_in_r_factor ~= "")) then
string_table = string_table .. RFactorPercentageBar(rtp_in_r_factor)
end
string_table = string_table .. "</span> <span id=r_factor_in_trend></span></td>"
string_table = string_table .. "<td><span id=r_factor_out_signal></span><span id=r_factor_out>"
if ((rtp_out_r_factor ~= nil) and (rtp_out_r_factor ~= "")) then
string_table = string_table .. RFactorPercentageBar(rtp_out_r_factor)
end
string_table = string_table .. "</span> <span id=r_factor_out_trend></span></td></tr>"
end
end
return string_table
end
-- #######################
function getFlowQuota(ifid, info, as_client)
local pool_id, quota_source
if as_client then
pool_id = info["cli.pool_id"]
quota_source = info["cli.quota_source"]
else
pool_id = info["srv.pool_id"]
quota_source = info["srv.quota_source"]
end
local master_proto, app_proto = splitProtocol(info["proto.ndpi"])
app_proto = app_proto or master_proto
local pools_stats = interface.getHostPoolsStats()
local pool_stats = pools_stats and pools_stats[tonumber(pool_id)]
local quota_and_protos = shaper_utils.getPoolProtoShapers(ifid, pool_id)
if pool_stats ~= nil then
local key = nil
if quota_source == "policy_source_protocol" then
proto_stats = pool_stats.ndpi
-- determine if the quota is on the app or master proto
if (quota_and_protos[master_proto] ~= nil) then
key = master_proto
else
key = app_proto
end
elseif quota_source == "policy_source_category" then
key = flow["proto.ndpi_cat"]
proto_stats = nil
category_stats = pool_stats.ndpi_categories
elseif quota_source == "policy_source_pool" then
key = "Default"
proto_stats = nil
category_stats = {
default = pool_stats.cross_application
}
end
if key ~= nil then
local proto_info = nil
if key ~= "Default" then
proto_info = quota_and_protos[key]
else
proto_info = shaper_utils.getCrossApplicationShaper(ifid, pool_id)
end
if proto_info ~= nil then
return proto_info, proto_stats, category_stats
end
end
end
return nil
end
-- #######################
function printFlowQuota(ifid, info, as_client)
local flow_quota, proto_stats, category_stats = getFlowQuota(ifid, info, as_client)
if flow_quota ~= nil then
print("<table style='width:100%; table-layout: fixed;'><tr>")
print(string.gsub(graph_utils.printProtocolQuota(flow_quota, proto_stats, category_stats, {
traffic = true,
time = true
}, true), "\n", ""))
print("</tr></table>")
else
print(i18n("shaping.no_quota_applied"))
end
end
-- #######################
function printFlowSNMPInfo(snmpdevice, input_idx, output_idx)
local inputidx_name = format_portidx_name(snmpdevice, tostring(input_idx))
local outputidx_name = format_portidx_name(snmpdevice, tostring(output_idx))
print(
"<tr><th rowspan='2'>" .. i18n("details.flow_snmp_localization") .. "</th><th>" .. i18n("flows_page.inIfIdx") ..
"</th><td><span class=\"badge bg-info\">" .. (inputidx_name or "") .. "</span></td></tr>")
print("<tr><th>" .. i18n("flows_page.outIfIdx") .. "</th><td><span class=\"badge bg-info\">" ..
(outputidx_name or "") .. "</span></td></tr>")
end
-- #######################
function printBlockFlowJs()
print [[
var block_flow_csrf = "]]
print(ntop.getRandomCSRFValue())
print [[";
function block_flow(flow_key, flow_hash_id) {
var url = "]]
print(ntop.getHttpPrefix())
print [[/lua/pro/nedge/block_flow.lua";
$.ajax({
type: 'GET',
url: url,
cache: false,
data: {
csrf: block_flow_csrf,
flow_key: flow_key,
flow_hash_id: flow_hash_id,
},
success: function(content) {
var data = jQuery.parseJSON(content);
var row_id = flow_key + "_" + flow_hash_id;
if (data.status == "BLOCKED") {
$('#'+row_id+'_block')
.removeClass('bg-secondary')
.addClass('bg-danger')
.attr('title', ']]
print(i18n("flow_details.flow_traffic_is_dropped"))
print [[');
}
},
error: function(content) {
console.log("error");
}
});
}
]]
end
-- #######################
function printL4ProtoDropdown(base_url, page_params, l4_proto)
local l4proto = _GET["l4proto"]
local l4proto_filter
if not isEmptyString(l4proto) then
l4proto_filter = '<span class="fas fa-filter"></span>'
else
l4proto_filter = ''
end
-- table.clone needed to modify some parameters while keeping the original unchanged
local l4proto_params = table.clone(page_params)
l4proto_params["l4proto"] = nil
-- Used to possibly remove tcp state filters when selecting a non-TCP l4 protocol
local l4proto_params_non_tcp = table.clone(l4proto_params)
if l4proto_params_non_tcp["tcp_flow_state"] then
l4proto_params_non_tcp["tcp_flow_state"] = nil
end
print [[\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("flows_page.l4_protocol"))
print [[]]
print(l4proto_filter)
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu dropdown-menu-end scrollable-dropdown" role="menu" id="flow_dropdown">]]
print('<li><a class="dropdown-item')
print(l4proto == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, l4proto_params_non_tcp))
print [[">]]
print(i18n("flows_page.all_l4_protocols"))
print [[</a></li>]]
if l4_proto then
for key, value in pairsByKeys(l4_proto, asc) do
local num_proto = tonumber(key)
print [[<li]]
print([[><a class="dropdown-item ]] .. (tonumber(l4proto) == key and 'active' or '') .. [[" href="]])
local l4_table = ternary(key ~= 6, l4proto_params_non_tcp, l4proto_params)
l4_table["l4proto"] = key
print(getPageUrl(base_url, l4_table))
print [[">]]
print(l4_proto_to_string(key))
print [[ (]]
print(string.format("%s", format_utils.formatValue(value.count)))
print [[)</a></li>]]
end
end
print [[</ul>]]
end
-- #######################
local function printFlowDevicesFilterDropdown(base_url, page_params)
local snmp_cached_dev = require "snmp_cached_dev"
local flowdevs = interface.getFlowDevices()
local observationPointId = ntop.getUserObservationPointId() or 0
--[[
if observationPointId ~= 0 then
local obs_info = interface.getObsPointsInfo()["ObsPoints"]
local exporter_list = {}
tprint(obs_info)
for k, v in ipairs(obs_info) do
if (v.obs_point == observationPointId) then
exporter_list = v.exporter_list
break
end
end
flowdevs = exporter_list
end
]]
local devips = getProbesName(flowdevs, false, false)
local ordering_fun = pairsByKeys
local devips_order = ntop.getPref("ntopng.prefs.flow_table_probe_order") == "1" -- Order by Probe Name
if devips_order then
ordering_fun = pairsByValues
end
local cur_dev = _GET["deviceIP"]
local cur_dev_filter = ''
local snmp_community = ''
if not isEmptyString(cur_dev) then
cur_dev_filter = '<span class="fas fa-filter"></span>'
end
-- table.clone needed to modify some parameters while keeping the original unchanged
local dev_params = table.clone(page_params)
for _, p in pairs({"deviceIP", "outIfIdx", "inIfIdx"}) do
dev_params[p] = nil
end
print [[, '<div class="btn-group float-right">\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("flows_page.device_ip"))
print [[]]
print(cur_dev_filter)
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu dropdown-menu-end scrollable-dropdown" role="menu" id="flow_dropdown">\
]]
print('<li><a class="dropdown-item')
print(cur_dev == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, dev_params))
print [[">]]
print(i18n("flows_page.all_devices"))
print [[</a></li>\]]
for interface, device_list in pairs(devips) do
for dev_ip, dev_resolved_name in pairsByValues(device_list, asc) do
local dev_name = dev_ip
local dev_name_full = dev_ip
dev_params["deviceIP"] = dev_name
dev_name = format_name_value(dev_resolved_name, dev_ip, true)
dev_name_full = format_name_value(dev_resolved_name, dev_ip, false)
print [[
<li>\
<a class="dropdown-item ]]
print(dev_ip == cur_dev and 'active' or '')
print [[" href="]]
print(getPageUrl(base_url, dev_params))
print [[" title="]]
print(dev_name_full)
print [[">]]
print(dev_name)
print [[</a></li>\]]
end
end
print [[
</ul>\
</div>']]
if cur_dev ~= nil then -- also print dropddowns for input and output interface index
local ports_table = interface.getFlowDeviceInfo(cur_dev)
for _, direction in pairs({"outIfIdx", "inIfIdx"}) do
local cur_if = _GET[direction]
local cur_if_filter = ''
if not isEmptyString(cur_if) then
cur_if_filter = '<span class="fas fa-filter"></span>'
end
-- table.clone needed to modify some parameters while keeping the original unchanged
local if_params = table.clone(page_params)
if_params[direction] = nil
print [[, '<div class="btn-group float-right">\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("flows_page." .. direction))
print [[]]
print(cur_if_filter)
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu scrollable-dropdown" role="menu" id="flow_dropdown">\
]]
print('<li><a class="dropdown-item')
print(cur_if == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, if_params))
print [[">]]
print(i18n("flows_page.all_" .. direction))
print [[</a></li>\]]
for _, ports in pairs(ports_table) do
for portidx, _ in pairsByKeys(ports, asc) do
if_params[direction] = portidx
local idx_name = format_portidx_name(cur_dev, portidx, true)
local label = idx_name
if portidx == tonumber(idx_name) then
label = i18n("flows_page." .. direction) .. " " .. idx_name
end
print [[
<li>\
<a class="dropdown-item ]]
print(cur_if == tostring(portidx) and 'active' or '')
print [[" href="]]
print(getPageUrl(base_url, if_params))
print [[">]]
print(label)
print [[</a></li>\]]
end
end
print [[
</ul>\
</div>']]
end
end
end
-- #######################
local function printDropdownEntries(entries, base_url, param_arr, param_filter, curr_filter)
for _, htype in ipairs(entries) do
if type(htype) == "string" then
-- plain html
print(htype)
goto continue
end
param_arr[param_filter] = htype[1]
print [[<li]]
print([[><a class="dropdown-item ]] .. (htype[1] == curr_filter and 'active' or '') .. [[" href="]])
print(getPageUrl(base_url, param_arr))
print [[">]]
print(htype[2])
print [[</a></li>]]
::continue::
end
end
local function getParamFilter(page_params, param_name)
if page_params[param_name] then
return '<span class="fas fa-filter"></span>'
end
return ''
end
function printTabList(base_url, page_params, active)
if (ntop.isEnterpriseM() or (ntop.isnEdge() and ntop.isnEdgeEnterprise())) then
print [[
<div class="col-md-12 col-lg-12">
<div class="card">
<div class="card-body">
<div id="flows_page_type">
<div class="card-header mb-2">
<ul class="nav nav-tabs card-header-tabs" role="tablist">
<li><a id="live_flows" class="]]
if active == "live_flows" then
print [[active disabled ]]
end
print [[nav-item nav-link" href="]]
print(getPageUrl(base_url, {
host = page_params.host,
flows_page_type = "live_flows"
}))
print [[">]]
print(i18n("flows_page.live_flows"))
print [[</a></li>
<li><a id="aggregated" class=" ]]
if active == "aggregated_flows" then
print [[active disabled ]]
end
print [[nav-item nav-link" href="]]
print(getPageUrl(base_url, {
host = page_params.host,
flows_page_type = "aggregated_flows"
}))
print [[" >]]
print(i18n("flows_page.aggregated_live_flows"))
print [[</a></li>
</ul>
</div>
</div>
</div>
]]
end
end
function printFlowPagesDropdown(base_url, page_params)
local flowhosts_type_params = table.clone(page_params)
if (ntop.isEnterpriseM()) then
print [[
<div class="btn-group">
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("flows_page.type"))
print [[</button>
<ul class="dropdown-menu scrollable-dropdown" role="menu" id="flow_pages_dropdown">
]]
printDropdownEntries({{"live_flows", i18n("flows_page.live_flows")},
{"aggregated_flows", i18n("flows_page.aggregated_live_flows")}}, base_url,
flowhosts_type_params, "flows_page_type", page_params.flowhosts_type)
print [[
</ul>
</div>
]]
else
print [[
<div class="btn-group">
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("flows_page.type"))
print [[</button>
<ul class="dropdown-menu scrollable-dropdown" role="menu" id="flow_pages_dropdown">
]]
printDropdownEntries({{"live_flows", i18n("flows_page.live_flows")}}, base_url, flowhosts_type_params,
"flows_page_type", page_params.flowhosts_type)
print [[
</ul>
</div>
]]
end
end
function printActiveFlowsDropdown(base_url, page_params, ifstats, flowstats, is_ebpf_flows)
-- Local / Remote hosts selector
-- table.clone needed to modify some parameters while keeping the original unchanged
local flowhosts_type_params = table.clone(page_params)
flowhosts_type_params["flowhosts_type"] = nil
print [['\
<div class="btn-group">\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("flows_page.hosts"))
print(getParamFilter(page_params, "flowhosts_type"))
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu scrollable-dropdown" role="menu" id="flow_dropdown">\
]]
print('<li><a class="dropdown-item')
print(page_params.flowhosts_type == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, flowhosts_type_params))
print [[">]]
print(i18n("flows_page.all_hosts"))
print [[</a></li>\]]
printDropdownEntries({{"local_only", i18n("flows_page.local_only")},
{"remote_only", i18n("flows_page.remote_only")},
{"local_origin_remote_target", i18n("flows_page.local_cli_remote_srv")},
{"remote_origin_local_target", i18n("flows_page.local_srv_remote_cli")}}, base_url,
flowhosts_type_params, "flowhosts_type", page_params.flowhosts_type)
print [[\
</ul>\
</div>\
']]
local talking_with_params = table.clone(page_params)
talking_with_params["talking_with"] = nil
if talking_with_params["host"] then
local talking_with_list = {}
for host, num_flows in pairs(flowstats["talking_with"] or {}) do
if talking_with_params["host"] ~= host then
local hinfo = hostkey2hostinfo(host)
talking_with_list[#talking_with_list + 1] = {host,
hostinfo2label(hinfo) .. " (" ..
format_utils.formatValue(num_flows) .. ")"}
end
end
print [[, '\
<div class="btn-group">\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("flows_page.talking_with"))
print(getParamFilter(page_params, "talking_with"))
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu scrollable-dropdown" role="menu">\
]]
print('<li><a class="dropdown-item')
print(page_params.talking_with == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, talking_with_params))
print [[">]]
print(i18n("flows_page.all_hosts"))
print [[</a></li>\]]
printDropdownEntries(talking_with_list, base_url, talking_with_params, "talking_with", page_params.talking_with)
-- Check if talking_with_list is empty to print \ else is going to didn't call get_flows_data and html crash
if #talking_with_list > 0 then
print [[\]]
end
print [[
</ul>\
</div>\
']]
end
if (not (talking_with_params["server"] and talking_with_params["client"])) then
if talking_with_params["client"] then
local talking_with_list = {}
for host, num_flows in pairs(flowstats["talking_with"] or {}) do
if talking_with_params["client"] ~= host then
local hinfo = hostkey2hostinfo(host)
talking_with_list[#talking_with_list + 1] = {host,
hostinfo2label(hinfo) .. " (" ..
format_utils.formatValue(num_flows) .. ")"}
end
end
print [[, '\
<div class="btn-group">\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("flows_page.talking_with"))
print(getParamFilter(page_params, "talking_with"))
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu scrollable-dropdown" role="menu">\
]]
print('<li><a class="dropdown-item')
print(page_params.talking_with == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, talking_with_params))
print [[">]]
print(i18n("flows_page.all_hosts"))
print [[</a></li>\]]
printDropdownEntries(talking_with_list, base_url, talking_with_params, "talking_with",
page_params.talking_with)
-- Check if talking_with_list is empty to print \ else is going to didn't call get_flows_data and html crash
if #talking_with_list > 0 then
print [[\]]
end
print [[
</ul>\
</div>\
']]
end
if talking_with_params["server"] then
local talking_with_list = {}
for host, num_flows in pairs(flowstats["talking_with"] or {}) do
if talking_with_params["server"] ~= host then
local hinfo = hostkey2hostinfo(host)
talking_with_list[#talking_with_list + 1] = {host,
hostinfo2label(hinfo) .. " (" ..
format_utils.formatValue(num_flows) .. ")"}
end
end
print [[, '\
<div class="btn-group">\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("flows_page.talking_with"))
print(getParamFilter(page_params, "talking_with"))
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu scrollable-dropdown" role="menu">\
]]
print('<li><a class="dropdown-item')
print(page_params.talking_with == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, talking_with_params))
print [[">]]
print(i18n("flows_page.all_hosts"))
print [[</a></li>\]]
printDropdownEntries(talking_with_list, base_url, talking_with_params, "talking_with",
page_params.talking_with)
-- Check if talking_with_list is empty to print \ else is going to didn't call get_flows_data and html crash
if #talking_with_list > 0 then
print [[\]]
end
print [[
</ul>\
</div>\
']]
end
end
-- Status selector
-- table.clone needed to modify some parameters while keeping the original unchanged
local alert_type_params = table.clone(page_params)
alert_type_params["alert_type"] = nil
print [[, '\
<div class="btn-group">\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("status"))
print(getParamFilter(page_params, "alert_type"))
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu scrollable-dropdown" role="menu">\
]]
print('<li><a class="dropdown-item')
print(page_params.alert_type == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, alert_type_params))
print [[">]]
print(i18n("flows_page.all_flows"))
print [[</a></li>\]]
local entries = {{"normal", i18n("flows_page.normal")}, {"alerted", i18n("flows_page.all_alerted")},
{"periodic", i18n("flows_page.all_periodic")}}
local status_stats = flowstats["status"]
local first = true
-- Add labels to allow alphabetic sort
for status_key, status in pairs(status_stats) do
if status.count > 0 then
status.label = alert_consts.alertTypeLabel(status_key, true --[[ no html --]] )
end
end
for status_key, status in pairsByField(status_stats, "label", asc) do
if status.count > 0 then
if first then
entries[#entries + 1] =
'<li class="dropdown-header" id="alerted-flows-title" style="padding-left: 8px; padding-top: 4px; padding-bottom: 4px">' ..
i18n("flow_details.alerted_flows") .. '</li>'
first = false
end
entries[#entries + 1] = {string.format("%u", status_key),
(status.label) .. " (" .. format_utils.formatValue(status.count) .. ")"}
end
end
if isBridgeInterface(ifstats) then
entries[#entries + 1] = {"filtered", i18n("flows_page.blocked")}
end
printDropdownEntries(entries, base_url, alert_type_params, "alert_type", page_params.alert_type)
print [[\
</ul>\
</div>\
']]
-- Flow Status Severity
local alert_type_severity_params = table.clone(page_params)
alert_type_severity_params["alert_type_severity"] = nil
print [[, '\
<div class="btn-group">\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("flows_page.alert_type_severity"))
print(getParamFilter(page_params, "alert_type_severity"))
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu scrollable-dropdown" role="menu">\
]]
print('<li><a class="dropdown-item')
print(page_params.alert_type_severity == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, alert_type_severity_params))
print [[">]]
print(i18n("flows_page.all_flows"))
print [[</a></li>]]
local entries
entries = {}
local severity_stats = flowstats["alert_levels"]
for s, severity_details in pairsByField(alert_consts.severity_groups, "severity_group_id", asc) do
if severity_stats[s] and severity_stats[s] > 0 then
entries[#entries + 1] = {s,
(i18n(severity_details.i18n_title) or s) .. " (" ..
format_utils.formatValue(severity_stats[s]) .. ")"}
end
end
printDropdownEntries(entries, base_url, alert_type_severity_params, "alert_type_severity",
page_params.alert_type_severity)
print [[\
</ul>\
</div>\
']]
if not is_ebpf_flows then
if page_params["l4proto"] and page_params["l4proto"] == "6" then
-- TCP flow state filter
-- table.clone needed to modify some parameters while keeping the original unchanged
local tcp_state_params = table.clone(page_params)
tcp_state_params["tcp_flow_state"] = nil
print [[, '\
<div class="btn-group">\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("flows_page.tcp_state"))
print(getParamFilter(page_params, "tcp_flow_state"))
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu scrollable-dropdown" role="menu">\
]]
print('<li><a class="dropdown-item')
print(page_params.tcp_flow_state == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, tcp_state_params))
print [[">]]
print(i18n("flows_page.all_flows"))
print [[</a></li>\]]
local entries = {}
for _, entry in pairs({"established", "connecting", "closed", "reset"}) do
entries[#entries + 1] = {entry, tcp_flow_state_utils.state2i18n(entry)}
end
printDropdownEntries(entries, base_url, tcp_state_params, "tcp_flow_state", page_params.tcp_flow_state)
print [[\
</ul>\
</div>\
']]
end
-- Unidirectional flows selector
-- table.clone needed to modify some parameters while keeping the original unchanged
local traffic_type_params = table.clone(page_params)
traffic_type_params["traffic_type"] = nil
print [[, '\
<div class="btn-group">\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("flows_page.direction"))
print(getParamFilter(page_params, "traffic_type"))
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu scrollable-dropdown" role="menu">\
]]
print('<li><a class="dropdown-item')
print(page_params.traffic_type == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, traffic_type_params))
print [[">]]
print(i18n("flows_page.all_flows"))
print [[</a></li>\]]
printDropdownEntries({{"unicast", i18n("flows_page.non_multicast")},
{"broadcast_multicast", i18n("flows_page.multicast")},
{"one_way_unicast", i18n("flows_page.one_way_non_multicast")},
{"one_way_broadcast_multicast", i18n("flows_page.one_way_multicast")}}, base_url,
traffic_type_params, "traffic_type", page_params.traffic_type)
print [[\
</ul>\
</div>\
']]
else -- is_ebpf_flows
if not page_params.container then
-- POD filter
local pods = interface.getPodsStats()
-- table.clone needed to modify some parameters while keeping the original unchanged
local pods_params = table.clone(page_params)
pods_params["pod"] = nil
if not table.empty(pods) then
print [[, '\
<div class="btn-group">\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("containers_stats.pod"))
print(getParamFilter(page_params, "pod"))
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu scrollable-dropdown" role="menu">\
]]
local entries = {}
for pod_id, pod in pairsByKeys(pods) do
entries[#entries + 1] = {pod_id, shortenString(pod_id)}
end
print('<li><a class="dropdown-item')
print(page_params.pod == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, pods_params))
print [[">]]
print(i18n("containers_stats.all_pods"))
print [[</a></li>\]]
printDropdownEntries(entries, base_url, pods_params, "pod", page_params.pod)
print [[\
</ul>\
</div>\
']]
end
end
if not page_params.pod then
-- Container filter
local containers = interface.getContainersStats()
-- table.clone needed to modify some parameters while keeping the original unchanged
local container_params = table.clone(page_params)
container_params["container"] = nil
if not table.empty(containers) then
print [[, '\
<div class="btn-group">\
<button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">]]
print(i18n("containers_stats.container"))
print(getParamFilter(page_params, "container"))
print [[<span class="caret"></span></button>\
<ul class="dropdown-menu scrollable-dropdown" role="menu">\
]]
local entries = {}
for container_id, container in pairsByKeys(containers) do
entries[#entries + 1] = {container_id, format_utils.formatContainer(container.info)}
end
print('<li><a class="dropdown-item')
print(page_params.container == nil and ' active' or '')
print [[" href="]]
print(getPageUrl(base_url, container_params))
print [[">]]
print(i18n("containers_stats.all_containers"))
print [[</a></li>\]]
printDropdownEntries(entries, base_url, container_params, "container", page_params.container)
print [[\
</ul>\
</div>\
']]
end
end
end
-- L7 Application
print(', \'<div class="btn-group"><button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">' ..
i18n("report.applications") .. ' ' .. getParamFilter(page_params, "application") ..
'<span class="caret"></span></button> <ul class="dropdown-menu scrollable-dropdown" role="menu" id="flow_dropdown">')
print('<li><a class="dropdown-item')
print(page_params.application == nil and ' active' or '')
print('" href="')
-- table.clone needed to modify some parameters while keeping the original unchanged
local application_filter_params = table.clone(page_params)
application_filter_params["application"] = nil
print(getPageUrl(base_url, application_filter_params))
print('">' .. i18n("flows_page.all_proto") .. '</a></li>')
if not isEmptyString(page_params["application"]) then
-- An application has been explicitly selected from the dropdown
-- so only that application is shown as dropdown a dropdown item.
-- The application will also include all sub-applications, e.g., DNS
-- will include DNS.Google, DNS.Facebook and so on.
print('<li><a class="dropdown-item active href="')
application_filter_params["application"] = page_params["application"]
print(getPageUrl(base_url, application_filter_params))
local application_split = string.split(application_filter_params["application"], "%.")
local application_name = application_filter_params["application"]
if application_split and #application_split == 2 then
application_name = string.format("%s.%s", interface.getnDPIProtoName(tonumber(application_split[1])),
interface.getnDPIProtoName(tonumber(application_split[2])))
else
local _application = tonumber(application_filter_params["application"])
if (_application) then
application_name = interface.getnDPIProtoName(_application)
end
end
print('">' .. application_name .. '</a></li>')
else
-- No application selected in the dropdown. Show all the available applications
-- as reported in flowstats
for key, value in pairsByKeys(flowstats["ndpi"], asc) do
local class_active = ''
if (key == page_params.application) then
class_active = 'active'
end
print('<li><a class="dropdown-item ' .. class_active .. '" href="')
application_filter_params["application"] = key
print(getPageUrl(base_url, application_filter_params))
print('">' .. key .. '</a></li>')
end
end
print("</ul> </div>'")
-- L7 Application Category
print(', \'<div class="btn-group"><button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">' ..
i18n("users.categories") .. ' ' .. getParamFilter(page_params, "category") ..
'<span class="caret"></span></button> <ul class="dropdown-menu scrollable-dropdown" role="menu" id="flow_dropdown">')
print('<li><a class="dropdown-item')
print(page_params.category == nil and ' active' or '')
print('" href="')
-- table.clone needed to modify some parameters while keeping the original unchanged
local category_filter_params = table.clone(page_params)
category_filter_params["category"] = nil
print(getPageUrl(base_url, category_filter_params))
print('">' .. i18n("flows_page.all_categories") .. '</a></li>')
local ndpicatstats = ifstats["ndpi_categories"]
for key, value in pairsByKeys(ndpicatstats, asc) do
local class_active = ''
if (key == page_params.category) then
class_active = 'active'
end
print('<li><a class="dropdown-item ' .. class_active .. '" href="')
category_filter_params["category"] = key
print(getPageUrl(base_url, category_filter_params))
print('">' .. getCategoryLabel(key, value.category) .. '</a></li>')
end
print("</ul> </div>'")
-- DSCP selector
-- table.clone needed to modify some parameters while keeping the original unchanged
local dscp_params = table.clone(page_params)
dscp_params["dscp"] = nil
print [[, '<div class="btn-group float-right">]]
printDSCPDropdown(base_url, dscp_params, flowstats["dscps"] or {}, format_utils)
print [[</div>']]
-- Host Pool selector
-- table.clone needed to modify some parameters while keeping the original unchanged
local host_pool_params = table.clone(page_params)
host_pool_params["host_pool"] = nil
print [[, '<div class="btn-group float-right">]]
printHostPoolDropdown(base_url, host_pool_params, flowstats["host_pool_id"] or {}, format_utils)
print [[</div>']]
-- Host Pool selector
-- table.clone needed to modify some parameters while keeping the original unchanged
local local_network_params = table.clone(page_params)
local_network_params["network"] = nil
print [[, '<div class="btn-group float-right">]]
printLocalNetworksDropdown(base_url, local_network_params)
print [[</div>']]
-- IP version selector
-- table.clone needed to modify some parameters while keeping the original unchanged
local ipversion_params = table.clone(page_params)
ipversion_params["version"] = nil
print [[, '<div class="btn-group float-right">]]
printIpVersionDropdown(base_url, ipversion_params)
print [[</div>']]
-- L4 protocol selector
-- table.clone needed to modify some parameters while keeping the original unchanged
local l4proto_params = table.clone(page_params)
l4proto_params["l4proto"] = nil
print [[, '<div class="btn-group float-right">]]
printL4ProtoDropdown(base_url, l4proto_params, flowstats["l4_protocols"])
print [[</div>']]
-- VLAN selector
-- table.clone needed to modify some parameters while keeping the original unchanged
local vlan_params = table.clone(page_params)
if ifstats.vlan then
print [[, '<div class="btn-group float-right">]]
printVLANFilterDropdown(base_url, vlan_params)
print [[</div>']]
end
if ntop.isPro() then
local hashname = "ntopng.prefs.profiles"
local profiles = ntop.getHashKeysCache(hashname) or {}
local profiles_defined = false
for k, _ in pairsByKeys(profiles) do
profiles_defined = true
break
end
if profiles_defined then
-- Traffic Profiles
print(
', \'<div class="btn-group"><button class="btn btn-link dropdown-toggle" data-bs-toggle="dropdown">' ..
i18n("traffic_profiles.traffic_profiles") .. ' ' .. getParamFilter(page_params, "traffic_profile") ..
'<span class="caret"></span></button> <ul class="dropdown-menu scrollable-dropdown" role="menu" id="flow_dropdown">')
print('<li><a class="dropdown-item')
print(page_params.traffic_profile == nil and ' active' or '')
print('" href="')
-- table.clone needed to modify some parameters while keeping the original unchanged
local traffic_profile_filter_params = table.clone(page_params)
traffic_profile_filter_params["traffic_profile"] = nil
print(getPageUrl(base_url, traffic_profile_filter_params))
print('">' .. i18n("traffic_profiles.all_profiles") .. '</a></li>')
for key, _ in pairsByKeys(profiles) do
local class_active = ''
if (key == _GET["traffic_profile"]) then
class_active = 'active'
end
print('<li><a class="dropdown-item ' .. class_active .. '" href="')
traffic_profile_filter_params["traffic_profile"] = key
print(getPageUrl(base_url, traffic_profile_filter_params))
print('">' .. key .. '</a></li>')
end
print("</ul> </div>'")
end
end
if ntop.isPro() and interface.isPacketInterface() == false then
printFlowDevicesFilterDropdown(base_url, vlan_params)
end
end
-- #######################
function getFlowsTableTitle(base_url)
local active_msg = ""
local status_type
if _GET["alert_type"] then
local alert_type_id = tonumber(_GET["alert_type"])
if (alert_type_id ~= nil) then
status_type = alert_consts.alertTypeLabel(tonumber(_GET["alert_type"]), true)
else
status_type = firstToUpper(_GET["alert_type"])
end
end
if _GET["alert_type_severity"] then
local alert_type_severity = _GET["alert_type_severity"]
local s = alert_consts.severity_groups[alert_type_severity]
active_msg = active_msg .. " " .. i18n(s.i18n_title)
end
if _GET["application"] then
local application = _GET["application"]
local application_split = string.split(application, "%.")
if application_split and #application_split == 2 then
application = string.format("%s.%s", interface.getnDPIProtoName(tonumber(application_split[1])),
interface.getnDPIProtoName(tonumber(application_split[2])))
else
local _application = tonumber(application)
if (_application) then
application = interface.getnDPIProtoName(_application)
end
end
active_msg = active_msg .. " " .. application
end
if _GET["category"] then
active_msg = active_msg .. " " .. _GET["category"]
end
if _GET["vhost"] then
active_msg = active_msg .. " " .. _GET["vhost"]
end
if status_type then
active_msg = active_msg .. " " .. status_type
end
if (_GET["network_name"] ~= nil) then
active_msg = active_msg .. i18n("network", {
network = _GET["network_name"]
})
end
if (_GET["host"] ~= nil) then
local host_info = interface.getHostInfo(_GET["host"])
local host_name = ""
if (host_info) then
host_name = host_info.names.resolved
end
if isEmptyString(base_url) then
base_url = ntop.getHttpPrefix()
end
active_msg = active_msg .. i18n("flows_page.host", {
host = _GET["host"],
host_name = ternary(isEmptyString(host_name), _GET["host"], host_name),
base_url = base_url
})
end
if (_GET["client"] ~= nil) then
local client_info = interface.getHostInfo(_GET["client"])
local client_name = ""
if (client_info) then
client_name = client_info.names.resolved
end
if (_GET["server"] ~= nil) then
local server_info = interface.getHostInfo(_GET["server"])
local server_name = ""
if (server_info) then
server_name = server_info.names.resolved
end
active_msg = active_msg .. i18n("flows_page.client_to_server", {
client = _GET["client"],
client_name = ternary(isEmptyString(client_name), _GET["client"], client_name),
server = _GET["server"],
server_name = ternary(isEmptyString(server_name), _GET["server"], server_name),
base_url = base_url
})
else
active_msg = active_msg .. i18n("flows_page.client", {
client = _GET["client"],
client_name = ternary(isEmptyString(client_name), _GET["client"], client_name),
base_url = base_url
})
end
else
if (_GET["server"] ~= nil) then
local server_info = interface.getHostInfo(_GET["server"])
local server_name = ""
if (server_info) then
server_name = server_info.names.resolved
end
active_msg = active_msg .. i18n("flows_page.server", {
server = _GET["server"],
base_url = base_url,
server_name = ternary(isEmptyString(server_name), _GET["server"], server_name)
})
end
end
if (_GET["flow_info"] ~= nil) then
active_msg = active_msg .. i18n("flows_page.flow_info", {
flow_info = _GET["flow_info"]
})
end
if (_GET["port"] ~= nil) then
active_msg = active_msg .. i18n("flows_page.port", {
port = _GET["port"],
base_url = base_url
})
end
if (_GET["inIfIdx"] ~= nil) then
active_msg = active_msg .. " [" .. i18n("flows_page.inIfIdx") .. " " .. _GET["inIfIdx"] .. "]"
end
if (_GET["outIfIdx"] ~= nil) then
active_msg = active_msg .. " [" .. i18n("flows_page.outIfIdx") .. " " .. _GET["outIfIdx"] .. "]"
end
if (_GET["deviceIP"] ~= nil) then
active_msg = active_msg .. " [" .. i18n("flows_page.device_ip") .. " " .. _GET["deviceIP"] .. "]"
end
if (_GET["container"] ~= nil) then
active_msg = active_msg .. " [" .. i18n("containers_stats.container") .. " " ..
format_utils.formatContainerFromId(_GET["container"]) .. "]"
end
if (_GET["pod"] ~= nil) then
active_msg = active_msg .. " [" .. i18n("containers_stats.pod") .. " " .. shortenString(_GET["pod"]) .. "]"
end
if ((_GET["icmp_type"] ~= nil) and (_GET["icmp_cod"] ~= nil)) then
local is_v4 = true
if (_GET["version"] ~= nil) then
is_v4 = (_GET["version"] == "4")
end
local icmp_utils = require "icmp_utils"
local icmp_label = icmp_utils.get_icmp_label(ternary(is_v4, 4, 6), _GET["icmp_type"], _GET["icmp_cod"])
active_msg = active_msg .. " [" .. icmp_label .. "]"
end
if (_GET["tcp_flow_state"] ~= nil) then
active_msg = active_msg .. " [" .. tcp_flow_state_utils.state2i18n(_GET["tcp_flow_state"]) .. "]"
end
if not interface.isPacketInterface() then
active_msg = i18n("flows_page.recently_active_flows", {
filter = active_msg
})
elseif interface.isPcapDumpInterface() then
active_msg = i18n("flows_page.flows", {
filter = active_msg
})
else
active_msg = i18n("flows_page.active_flows", {
filter = active_msg
})
end
return active_msg
end
-- #######################
-- A one line flow description
-- This uses the information from flow.getInfo()
function shortFlowLabel(flow)
local info = ""
if not isEmptyString(flow["info"]) then
info = " [" .. flow["info"] .. "]"
end
return (string.format("[%s] %s %s:%d -> %s:%s%s", flow["proto.ndpi"], flow["proto.l4"], flow["cli.ip"],
flow["cli.port"], flow["srv.ip"], flow["srv.port"], info))
end
-- #######################