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https://github.com/ntop/ntopng.git
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0004e08191
To enable it (only on *InfluxDB* right now): - uncomment HOST_NUM_TIMESERIES_POINTS in ntop_defines.h - run `redis-cli set ntopng.prefs.30_sec_dump 1` and restart ntopng
3266 lines
98 KiB
Lua
3266 lines
98 KiB
Lua
--
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-- (C) 2014-18 - ntop.org
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--
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dirs = ntop.getDirs()
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package.path = dirs.installdir .. "/scripts/lua/modules/i18n/?.lua;" .. package.path
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package.path = dirs.installdir .. "/scripts/lua/modules/timeseries/?.lua;" .. package.path
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package.path = dirs.installdir .. "/scripts/lua/modules/flow_dbms/?.lua;" .. package.path
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require "lua_trace"
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require "ntop_utils"
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locales_utils = require "locales_utils"
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local os_utils = require "os_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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-- ##############################################
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-- TODO: replace those globals with locals everywhere
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secondsToTime = format_utils.secondsToTime
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msToTime = format_utils.msToTime
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bytesToSize = format_utils.bytesToSize
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formatPackets = format_utils.formatPackets
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formatFlows = format_utils.formatFlows
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formatValue = format_utils.formatValue
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pktsToSize = format_utils.pktsToSize
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bitsToSize = format_utils.bitsToSize
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maxRateToString = format_utils.maxRateToString
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round = format_utils.round
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bitsToSizeMultiplier = format_utils.bitsToSizeMultiplier
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-- ##############################################
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-- Note: Regexs are applied by default. Pass plain=true to disable them.
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function string.contains(String,Start,plain)
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if type(String) ~= 'string' or type(Start) ~= 'string' then
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return false
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end
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local i,j = string.find(String, Start, 1, plain)
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return(i ~= nil)
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end
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-- ##############################################
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function shortenString(name, max_len)
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if(name == nil) then return("") end
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if max_len == nil then
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max_len = ntop.getPref("ntopng.prefs.max_ui_strlen")
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max_len = tonumber(max_len)
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if(max_len == nil) then max_len = 24 end
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end
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if(string.len(name) < max_len) then
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return(name)
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else
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return(string.sub(name, 1, max_len).."...")
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end
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end
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-- ##############################################
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function getInterfaceName(interface_id, windows_skip_description)
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local ifnames = interface.getIfNames()
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local iface = ifnames[tostring(interface_id)]
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if iface ~= nil then
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if(windows_skip_description ~= true and string.contains(iface, "{")) then -- Windows
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local old_iface = interface.getStats().id
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-- Use the interface description instead of the name
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interface.select(tostring(iface))
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iface = interface.getStats().description
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interface.select(tostring(old_iface))
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end
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return(iface)
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end
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return("")
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end
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-- ##############################################
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function getInterfaceId(interface_name)
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local ifnames = interface.getIfNames()
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for if_id, if_name in pairs(ifnames) do
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if if_name == interface_name then
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return tonumber(if_id)
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end
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end
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return(-1)
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end
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-- ##############################################
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function getFirstInterfaceId()
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local ifnames = interface.getIfNames()
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for if_id, if_name in pairs(ifnames) do
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return tonumber(if_id), if_name
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end
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return -1, "" -- NOTREACHED
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end
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-- ##############################################
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-- Note that ifname can be set by Lua.cpp so don't touch it if already defined
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if((ifname == nil) and (_GET ~= nil)) then
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ifname = _GET["ifid"]
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if(ifname ~= nil) then
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if(ifname.."" == tostring(tonumber(ifname)).."") then
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-- ifname does not contain the interface name but rather the interface id
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ifname = getInterfaceName(ifname, true)
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if(ifname == "") then ifname = nil end
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end
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end
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if(debug_session) then traceError(TRACE_DEBUG,TRACE_CONSOLE, "Session => Session:".._SESSION["session"]) end
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if((ifname == nil) and (_SESSION ~= nil)) then
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if(debug_session) then traceError(TRACE_DEBUG,TRACE_CONSOLE, "Session => set ifname by _SESSION value") end
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ifname = _SESSION["ifname"]
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if(debug_session) then traceError(TRACE_DEBUG,TRACE_CONSOLE, "Session => ifname:"..ifname) end
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else
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if(debug_session) then traceError(TRACE_DEBUG,TRACE_CONSOLE, "Session => set ifname by _GET value") end
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end
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end
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--print("(((("..ifname.."))))")
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l4_keys = {
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{ "TCP", "tcp", 6 },
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{ "UDP", "udp", 17 },
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{ "ICMP", "icmp", 1 },
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{ "Other IP", "other_ip", -1 }
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}
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function __FILE__() return debug.getinfo(2,'S').source end
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function __LINE__() return debug.getinfo(2, 'l').currentline end
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-- ##############################################
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function sendHTTPHeaderIfName(mime, ifname, maxage, content_disposition, extra_headers)
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info = ntop.getInfo(false)
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local cookie_attr = ntop.getCookieAttributes()
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print('HTTP/1.1 200 OK\r\n')
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print('Cache-Control: max-age=0, no-cache, no-store\r\n')
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print('Server: ntopng '..info["version"]..' ['.. info["platform"]..']\r\n')
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print('Pragma: no-cache\r\n')
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print('X-Frame-Options: DENY\r\n')
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print('X-Content-Type-Options: nosniff\r\n')
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if(_SESSION ~= nil) then print('Set-Cookie: session='.._SESSION["session"]..'; max-age=' .. maxage .. '; path=/; ' .. cookie_attr .. '\r\n') end
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if(ifname ~= nil) then print('Set-Cookie: ifname=' .. ifname .. '; path=/' .. cookie_attr .. '\r\n') end
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print('Content-Type: '.. mime ..'\r\n')
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if(content_disposition ~= nil) then print('Content-Disposition: '..content_disposition..'\r\n') end
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if type(extra_headers) == "table" then
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for hname, hval in pairs(extra_headers) do
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print(hname..': '..hval..'\r\n')
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end
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end
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print('Last-Modified: '..os.date("!%a, %m %B %Y %X %Z").."\r\n")
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print('\r\n')
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end
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-- ##############################################
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function sendHTTPHeaderLogout(mime, content_disposition)
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sendHTTPHeaderIfName(mime, nil, 0, content_disposition)
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end
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-- ##############################################
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function sendHTTPHeader(mime, content_disposition, extra_headers)
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sendHTTPHeaderIfName(mime, nil, 3600, content_disposition, extra_headers)
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end
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-- ##############################################
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function sendHTTPContentTypeHeader(content_type, content_disposition, charset)
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local charset = charset or "utf-8"
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local mime = content_type.."; charset="..charset
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sendHTTPHeader(mime, content_disposition)
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end
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-- ##############################################
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function printGETParameters(get)
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for key, value in pairs(get) do
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io.write(key.."="..value.."\n")
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end
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end
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-- ##############################################
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-- Simplified checker
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function isIPv6Address(ip)
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if(string.find(ip, ":") ~= nil) then
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return true
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end
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return false
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end
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-- ##############################################
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function findString(str, tofind)
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if(str == nil) then return(nil) end
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if(tofind == nil) then return(nil) end
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str1 = string.lower(string.gsub(str, "-", "_"))
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tofind1 = string.lower(string.gsub(tofind, "-", "_"))
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return(string.find(str1, tofind1, 1))
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end
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-- ##############################################
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function findStringArray(str, tofind)
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if(str == nil) then return(nil) end
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if(tofind == nil) then return(nil) end
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local rsp = false
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for k,v in pairs(tofind) do
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str1 = string.gsub(str, "-", "_")
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tofind1 = string.gsub(v, "-", "_")
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if(str1 == tofind1) then
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rsp = true
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end
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end
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return(rsp)
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end
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-- ##############################################
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function printASN(asn, asname)
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asname = asname:gsub('"','')
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if(asn > 0) then
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return("<A HREF='http://as.robtex.com/as"..asn..".html' title='"..asname.."'>"..asname.."</A> <i class='fa fa-external-link fa-lg'></i>")
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else
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return(asname)
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end
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end
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-- ##############################################
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function urlencode(str)
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str = string.gsub (str, "\r?\n", "\r\n")
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str = string.gsub (str, "([^%w%-%.%_%~ ])",
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function (c) return string.format ("%%%02X", string.byte(c)) end)
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str = string.gsub (str, " ", "+")
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return str
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end
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-- ##############################################
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function getPageUrl(base_url, params)
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if table.empty(params) then
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return base_url
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end
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local encoded = {}
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for k, v in pairs(params) do
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encoded[k] = urlencode(v)
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end
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local delim = "&"
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if not string.find(base_url, "?") then
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delim = "?"
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end
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return base_url .. delim .. table.tconcat(encoded, "=", "&")
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end
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-- ##############################################
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function printIpVersionDropdown(base_url, page_params)
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local ipversion = _GET["version"]
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local ipversion_filter
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if not isEmptyString(ipversion) then
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ipversion_filter = '<span class="glyphicon glyphicon-filter"></span>'
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else
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ipversion_filter = ''
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end
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local ipversion_params = table.clone(page_params)
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ipversion_params["version"] = nil
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print[[\
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<button class="btn btn-link dropdown-toggle" data-toggle="dropdown">]] print(i18n("flows_page.ip_version")) print[[]] print(ipversion_filter) print[[<span class="caret"></span></button>\
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<ul class="dropdown-menu" role="menu" id="flow_dropdown">\
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<li><a href="]] print(getPageUrl(base_url, ipversion_params)) print[[">]] print(i18n("flows_page.all_ip_versions")) print[[</a></li>\
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<li]] if ipversion == "4" then print(' class="active"') end print[[><a href="]] ipversion_params["version"] = "4"; print(getPageUrl(base_url, ipversion_params)); print[[">]] print(i18n("flows_page.ipv4_only")) print[[</a></li>\
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<li]] if ipversion == "6" then print(' class="active"') end print[[><a href="]] ipversion_params["version"] = "6"; print(getPageUrl(base_url, ipversion_params)); print[[">]] print(i18n("flows_page.ipv6_only")) print[[</a></li>\
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</ul>]]
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end
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-- ##############################################
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function printVLANFilterDropdown(base_url, page_params)
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local vlans = interface.getVLANsList()
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if vlans == nil then vlans = {VLANs={}} end
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vlans = vlans["VLANs"]
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local ids = {}
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for _, vlan in ipairs(vlans) do
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ids[#ids + 1] = vlan["vlan_id"]
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end
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local vlan_id = _GET["vlan"]
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local vlan_id_filter = ''
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if not isEmptyString(vlan_id) then
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vlan_id_filter = '<span class="glyphicon glyphicon-filter"></span>'
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end
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local vlan_id_params = table.clone(page_params)
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vlan_id_params["vlan"] = nil
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print[[\
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<button class="btn btn-link dropdown-toggle" data-toggle="dropdown">]] print(i18n("flows_page.vlan")) print[[]] print(vlan_id_filter) print[[<span class="caret"></span></button>\
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<ul class="dropdown-menu" role="menu" id="flow_dropdown">\
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<li><a href="]] print(getPageUrl(base_url, vlan_id_params)) print[[">]] print(i18n("flows_page.all_vlan_ids")) print[[</a></li>\]]
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for _, vid in ipairs(ids) do
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vlan_id_params["vlan"] = vid
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print[[
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<li>\
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<a href="]] print(getPageUrl(base_url, vlan_id_params)) print[[">VLAN ]] print(tostring(vid)) print[[</a></li>\]]
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end
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print[[
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</ul>]]
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end
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-- ##############################################
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function printFlowDevicesFilterDropdown(base_url, page_params)
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if (ntop.isPro()) then
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package.path = dirs.installdir .. "/pro/scripts/lua/modules/?.lua;" .. package.path
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require "snmp_utils"
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end
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local flowdevs = interface.getFlowDevices()
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local vlans = interface.getVLANsList()
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if flowdevs == nil then flowdevs = {} end
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local devips = {}
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for dip, _ in pairsByValues(flowdevs, asc) do
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devips[#devips + 1] = dip
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end
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local cur_dev = _GET["deviceIP"]
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local cur_dev_filter = ''
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local snmp_community = ''
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if not isEmptyString(cur_dev) then
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cur_dev_filter = '<span class="glyphicon glyphicon-filter"></span>'
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end
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local dev_params = table.clone(page_params)
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for _, p in pairs({"deviceIP", "outIfIdx", "inIfIdx"}) do
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dev_params[p] = nil
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end
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print[[, '<div class="btn-group pull-right">\
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<button class="btn btn-link dropdown-toggle" data-toggle="dropdown">]] print(i18n("flows_page.device_ip")) print[[]] print(cur_dev_filter) print[[<span class="caret"></span></button>\
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<ul class="dropdown-menu" role="menu" id="flow_dropdown">\
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<li><a href="]] print(getPageUrl(base_url, dev_params)) print[[">]] print(i18n("flows_page.all_devices")) print[[</a></li>\]]
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for _, dip in ipairs(devips) do
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dev_params["deviceIP"] = dip
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local snmp_community = get_snmp_community(dip, true --[[ no default --]])
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if not isEmptyString(snmp_community) then
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local snmp_name = get_snmp_device_name(dip, snmp_community)
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if not isEmptyString(snmp_name) and snmp_name ~= dip then
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dip = dip .. "["..shortenString(snmp_name).."]"
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end
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else
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local resname = getResolvedAddress(hostkey2hostinfo(dip))
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if not isEmptyString(resname) and resname ~= dip then
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dip = dip .. "["..shortenString(resname).."]"
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end
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end
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print[[
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<li>\
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<a href="]] print(getPageUrl(base_url, dev_params)) print[[">]] print(i18n("flows_page.device_ip").." "..dip) print[[</a></li>\]]
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end
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print[[
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</ul>\
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</div>']]
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if cur_dev ~= nil then -- also print dropddowns for input and output interface index
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local ports = interface.getFlowDeviceInfo(cur_dev)
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for _, direction in pairs({"outIfIdx", "inIfIdx"}) do
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local cur_if = _GET[direction]
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local cur_if_filter = ''
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if not isEmptyString(cur_if) then
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cur_if_filter = '<span class="glyphicon glyphicon-filter"></span>'
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end
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local if_params = table.clone(page_params)
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if_params[direction] = nil
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print[[, '<div class="btn-group pull-right">\
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<button class="btn btn-link dropdown-toggle" data-toggle="dropdown">]] print(i18n("flows_page."..direction)) print[[]] print(cur_if_filter) print[[<span class="caret"></span></button>\
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<ul class="dropdown-menu" role="menu" id="flow_dropdown">\
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<li><a href="]] print(getPageUrl(base_url, if_params)) print[[">]] print(i18n("flows_page.all_"..direction)) print[[</a></li>\]]
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for portidx, _ in pairsByKeys(ports, asc) do
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if_params[direction] = portidx
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print[[
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<li>\
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<a href="]] print(getPageUrl(base_url, if_params)) print[[">]] print(i18n("flows_page."..direction).." "..tostring(portidx)) print[[</a></li>\]]
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end
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print[[
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</ul>\
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</div>']]
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end
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end
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end
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-- ##############################################
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--
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-- Returns indexes to be used for string shortening. The portion of to_shorten between
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-- middle_start and middle_end will be inside the bounds.
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--
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-- to_shorten: string to be shorten
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-- middle_start: middle part begin index
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-- middle_end: middle part begin index
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-- maxlen: maximum length
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--
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function shortenInTheMiddle(to_shorten, middle_start, middle_end, maxlen)
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local maxlen = maxlen - (middle_end - middle_start)
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|
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if maxlen <= 0 then
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return 0, string.len(to_shorten)
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end
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|
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local left_slice = math.max(middle_start - math.floor(maxlen / 2), 1)
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maxlen = maxlen - (middle_start - left_slice - 1)
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local right_slice = math.min(middle_end + maxlen, string.len(to_shorten))
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return left_slice, right_slice
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end
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|
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-- ##############################################
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|
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function shortHostName(name)
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|
local chunks = {name:match("(%d+)%.(%d+)%.(%d+)%.(%d+)")}
|
|
if(#chunks == 4) then
|
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return(name)
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|
else
|
|
local max_len = ntop.getPref("ntopng.prefs.max_ui_strlen")
|
|
max_len = tonumber(max_len)
|
|
if(max_len == nil) then max_len = 24 end
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|
|
chunks = {name:match("%w+:%w+:%w+:%w+:%w+:%w+")}
|
|
--io.write(#chunks.."\n")
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|
if(#chunks == 1) then
|
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return(name)
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end
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|
|
|
if(string.len(name) < max_len) then
|
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return(name)
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|
else
|
|
tot = 0
|
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n = 0
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ret = ""
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|
|
for token in string.gmatch(name, "([%w-]+).") do
|
|
if(tot < max_len) then
|
|
if(n > 0) then ret = ret .. "." end
|
|
ret = ret .. token
|
|
tot = tot+string.len(token)
|
|
n = n + 1
|
|
end
|
|
end
|
|
|
|
return(ret .. "...")
|
|
end
|
|
end
|
|
|
|
return(name)
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function _handleArray(name, sev)
|
|
local id
|
|
|
|
for id, _ in ipairs(name) do
|
|
local l = name[id][1]
|
|
local key = name[id][2]
|
|
|
|
if(string.upper(key) == string.upper(sev)) then
|
|
return(l)
|
|
end
|
|
end
|
|
|
|
return(firstToUpper(sev))
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function l4Label(proto)
|
|
return(_handleArray(l4_keys, proto))
|
|
end
|
|
|
|
function l4_proto_to_string(proto_id)
|
|
proto_id = tonumber(proto_id)
|
|
|
|
for _, proto in pairs(l4_keys) do
|
|
if proto[3] == proto_id then
|
|
return proto[1], proto[2]
|
|
end
|
|
end
|
|
|
|
return nil
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
-- Note: make sure the maximum id for checkpoint_keys honours CONST_MAX_NUM_CHECKPOINTS
|
|
local checkpoint_keys = {
|
|
-- following checkpoints are used for alerts
|
|
{0, "min"},
|
|
{1, "5mins"},
|
|
{2, "hour"},
|
|
{3, "day"},
|
|
}
|
|
|
|
function checkpointId(v)
|
|
local checkpointtable = {}
|
|
for i, t in ipairs(checkpoint_keys) do
|
|
checkpointtable[#checkpointtable + 1] = {t[1], t[2]}
|
|
end
|
|
return(_handleArray(checkpointtable, v))
|
|
end
|
|
|
|
function noHtml(s)
|
|
if s == nil then return nil end
|
|
local cleaned = s:gsub("<[aA].->(.-)</[aA]>","%1")
|
|
:gsub("%s*<[iI].->(.-)</[iI]>","%1")
|
|
:gsub("<.->(.-)</.->","%1") -- note: this does not handle nested tags
|
|
:gsub("^%s*(.-)%s*$", "%1")
|
|
return cleaned
|
|
end
|
|
|
|
function alertSeverityLabel(v, nohtml)
|
|
local res = _handleArray(alert_consts.alert_severity_keys, tonumber(v))
|
|
if res ~= nil and nohtml == true then res = noHtml(res) end
|
|
return res
|
|
end
|
|
|
|
function alertSeverity(v)
|
|
local severity_table = {}
|
|
for i, t in ipairs(alert_consts.alert_severity_keys) do
|
|
severity_table[#severity_table + 1] = {t[2], t[3]}
|
|
end
|
|
return(_handleArray(severity_table, v))
|
|
end
|
|
|
|
function alertSeverityRaw(sev_idx)
|
|
sev_idx = sev_idx + 2 -- -1 and 0
|
|
if sev_idx <= #alert_consts.alert_severity_keys then
|
|
return alert_consts.alert_severity_keys[sev_idx][3]
|
|
end
|
|
return nil
|
|
end
|
|
|
|
function alertTypeLabel(v, nohtml)
|
|
local res = _handleArray(alert_consts.alert_type_keys, tonumber(v))
|
|
if res ~= nil and nohtml == true then res = noHtml(res) end
|
|
return res
|
|
end
|
|
|
|
function alertType(v)
|
|
local typetable = {}
|
|
for i, t in ipairs(alert_consts.alert_type_keys) do
|
|
typetable[#typetable + 1] = {t[2], t[3]}
|
|
end
|
|
return(_handleArray(typetable, v))
|
|
end
|
|
|
|
function alertEngine(v)
|
|
local enginetable = {}
|
|
for i, t in ipairs(alert_consts.alert_functions_description) do
|
|
enginetable[#enginetable + 1] = {t[2], t[3]}
|
|
end
|
|
return(_handleArray(enginetable, v))
|
|
end
|
|
|
|
function alertEngineLabel(v)
|
|
return _handleArray(alert_consts.alert_functions_description, tonumber(v))
|
|
end
|
|
|
|
function alertEngineRaw(idx)
|
|
idx = idx + 1
|
|
if idx <= #alert_consts.alert_functions_description then
|
|
return alert_consts.alert_functions_description[idx][3]
|
|
end
|
|
return nil
|
|
end
|
|
|
|
function alertLevel(v)
|
|
local leveltable = {}
|
|
|
|
for i, t in ipairs(alert_consts.alert_severity_keys) do
|
|
leveltable[#leveltable + 1] = {t[2], t[3]}
|
|
end
|
|
return(_handleArray(leveltable, v))
|
|
end
|
|
|
|
function alertTypeRaw(alert_idx)
|
|
if(alert_idx == nil) then return nil end
|
|
|
|
alert_idx = alert_idx + 2 -- -1 and 0
|
|
if alert_idx <= #alert_consts.alert_type_keys then
|
|
return alert_consts.alert_type_keys[alert_idx][3]
|
|
end
|
|
return nil
|
|
end
|
|
|
|
function alertEntityLabel(v, nothml)
|
|
local res = _handleArray(alert_consts.alert_entity_keys, tonumber(v))
|
|
if res ~= nil and nohtml == true then res = noHtml(res) end
|
|
return res
|
|
end
|
|
|
|
function alertEntity(v)
|
|
local typetable = {}
|
|
for i, t in ipairs(alert_consts.alert_entity_keys) do
|
|
typetable[#typetable + 1] = {t[2], t[3]}
|
|
end
|
|
return(_handleArray(typetable, v))
|
|
end
|
|
|
|
function alertEntityRaw(entity_idx)
|
|
entity_idx = entity_idx + 1
|
|
if entity_idx <= #alert_consts.alert_entity_keys then
|
|
return alert_consts.alert_entity_keys[entity_idx][3]
|
|
end
|
|
return nil
|
|
end
|
|
|
|
function areAlertsEnabled()
|
|
return (ntop.getPref("ntopng.prefs.disable_alerts_generation") ~= "1")
|
|
end
|
|
|
|
function mustScanAlerts(ifstats)
|
|
-- can't alert on view interfaces as checkpoints will collide for their underlying real interfaces
|
|
return areAlertsEnabled() and not ifstats["isView"]
|
|
end
|
|
|
|
function hasAlertsDisabled()
|
|
_POST = _POST or {}
|
|
return ((_POST["disable_alerts_generation"] ~= nil) and (_POST["disable_alerts_generation"] == "1")) or
|
|
((_POST["disable_alerts_generation"] == nil) and (ntop.getPref("ntopng.prefs.disable_alerts_generation") == "1"))
|
|
end
|
|
|
|
function hasNagiosSupport()
|
|
if prefs == nil then
|
|
prefs = ntop.getPrefs()
|
|
end
|
|
return prefs.nagios_nsca_host ~= nil
|
|
end
|
|
|
|
--for _key, _value in pairsByKeys(vals, rev) do
|
|
-- print(_key .. "=" .. _value .. "\n")
|
|
--end
|
|
|
|
function round(num, idp)
|
|
if(num == nil) then return(0) end
|
|
return tonumber(string.format("%." .. (idp or 0) .. "f", num))
|
|
end
|
|
--function round(num) return math.floor(num+.5) end
|
|
|
|
function truncate(x)
|
|
return x<0 and math.ceil(x) or math.floor(x)
|
|
end
|
|
|
|
-- Note that the function below returns a string as returning a number
|
|
-- would not help as a new float would be returned
|
|
function toint(num)
|
|
return string.format("%u", truncate(num))
|
|
end
|
|
|
|
function capitalize(str)
|
|
return (str:gsub("^%l", string.upper))
|
|
end
|
|
|
|
function isnumber(str)
|
|
if((str ~= nil) and (string.len(str) > 0) and (tonumber(str) ~= nil)) then
|
|
return(true)
|
|
else
|
|
return(false)
|
|
end
|
|
end
|
|
|
|
function split(pString, pPattern)
|
|
local Table = {} -- NOTE: use {n = 0} in Lua-5.0
|
|
local fpat = "(.-)" .. pPattern
|
|
local last_end = 1
|
|
local s, e, cap = pString:find(fpat, 1)
|
|
while s do
|
|
if s ~= 1 or cap ~= "" then
|
|
table.insert(Table,cap)
|
|
end
|
|
last_end = e+1
|
|
s, e, cap = pString:find(fpat, last_end)
|
|
end
|
|
if last_end <= #pString then
|
|
cap = pString:sub(last_end)
|
|
table.insert(Table, cap)
|
|
end
|
|
return Table
|
|
end
|
|
|
|
-- returns the MAXIMUM value found in a table t, together with the corresponding
|
|
-- index argmax. a pair argmax, max is returned.
|
|
function tmax(t)
|
|
local argmx, mx = nil, nil
|
|
if (type(t) ~= "table") then return nil, nil end
|
|
for k, v in pairs(t) do
|
|
-- first iteration
|
|
if mx == nil and argmx == nil then
|
|
mx = v
|
|
argmx = k
|
|
elseif (v == mx and k > argmx) or v > mx then
|
|
-- if there is a tie, prefer the greatest argument
|
|
-- otherwise grab the maximum
|
|
argmx = k
|
|
mx = v
|
|
end
|
|
end
|
|
return argmx, mx
|
|
end
|
|
|
|
-- returns the MINIMUM value found in a table t, together with the corresponding
|
|
-- index argmin. a pair argmin, min is returned.
|
|
function tmin(t)
|
|
local argmn, mn = nil, nil
|
|
if (type(t) ~= "table") then return nil, nil end
|
|
for k, v in pairs(t) do
|
|
-- first iteration
|
|
if mn == nil and argmn == nil then
|
|
mn = v
|
|
argmn = k
|
|
elseif (v == mn and k > argmn) or v < mn then
|
|
-- if there is a tie, prefer the greatest argument
|
|
-- otherwise grab the minimum
|
|
argmn = k
|
|
mn = v
|
|
end
|
|
end
|
|
return argmn, mn
|
|
end
|
|
|
|
function formatEpoch(epoch)
|
|
return(format_utils.formatEpoch(epoch))
|
|
end
|
|
|
|
function starts(String,Start)
|
|
return string.sub(String,1,string.len(Start))==Start
|
|
end
|
|
|
|
function ends(String,End)
|
|
return End=='' or string.sub(String,-string.len(End))==End
|
|
end
|
|
|
|
-- #################################################################
|
|
|
|
function bit(p)
|
|
return 2 ^ (p - 1) -- 1-based indexing
|
|
end
|
|
|
|
-- Typical call: if hasbit(x, bit(3)) then ...
|
|
function hasbit(x, p)
|
|
return x % (p + p) >= p
|
|
end
|
|
|
|
function setbit(x, p)
|
|
return hasbit(x, p) and x or x + p
|
|
end
|
|
|
|
function clearbit(x, p)
|
|
return hasbit(x, p) and x - p or x
|
|
end
|
|
|
|
function isBroadMulticast(ip)
|
|
if(ip == "0.0.0.0") then
|
|
return true
|
|
end
|
|
-- print(ip)
|
|
t = string.split(ip, "%.")
|
|
-- print(table.concat(t, "\n"))
|
|
if(t == nil) then
|
|
return false -- Might be an IPv6 address
|
|
else
|
|
if(tonumber(t[1]) >= 224) then
|
|
return true
|
|
end
|
|
end
|
|
|
|
return false
|
|
end
|
|
|
|
function isBroadcastMulticast(ip)
|
|
-- check NoIP
|
|
if(ip == "0.0.0.0") then
|
|
return true
|
|
end
|
|
|
|
-- check IPv6
|
|
t = string.split(ip, "%.")
|
|
|
|
if(t ~= nil) then
|
|
-- check Multicast / Broadcast
|
|
if(tonumber(t[1]) >= 224) then
|
|
return true
|
|
end
|
|
end
|
|
|
|
return false
|
|
end
|
|
|
|
function isIPv4(address)
|
|
local chunks = {address:match("(%d+)%.(%d+)%.(%d+)%.(%d+)$")}
|
|
|
|
if #chunks == 4 then
|
|
for _, v in pairs(chunks) do
|
|
if (tonumber(v) < 0) or (tonumber(v) > 255) then
|
|
return false
|
|
end
|
|
end
|
|
|
|
return true
|
|
end
|
|
|
|
return false
|
|
end
|
|
|
|
function isIPv4Network(address)
|
|
local parts = split(address, "/")
|
|
|
|
if #parts == 2 then
|
|
local prefix = tonumber(parts[2])
|
|
|
|
if (prefix == nil) or (math.floor(prefix) ~= prefix) or (prefix < 0) or (prefix > 32) then
|
|
return false
|
|
end
|
|
elseif #parts ~= 1 then
|
|
return false
|
|
end
|
|
|
|
return isIPv4(parts[1])
|
|
end
|
|
|
|
function addGoogleMapsScript()
|
|
local g_maps_key = ntop.getCache('ntopng.prefs.google_apis_browser_key')
|
|
if g_maps_key ~= nil and g_maps_key~= "" then
|
|
g_maps_key = "&key="..g_maps_key
|
|
else
|
|
g_maps_key = ""
|
|
end
|
|
print("<script src=\"https://maps.googleapis.com/maps/api/js?v=3.exp"..g_maps_key.."\"></script>\n")
|
|
end
|
|
|
|
function addLogoSvg()
|
|
print [[
|
|
<svg width="103px" height="50px" viewBox="0 0 103 50" version="1.1" xmlns="http://www.w3.org/2000/svg">
|
|
<path fill="#fbfbfb" d=" M 0.00 0.00 L 103.00 0.00 L 103.00 50.00 L 0.00 50.00 L 0.00 0.00 Z" />
|
|
<path fill="#e0dfdf" d=" M 4.85 1.48 C 6.22 1.31 7.60 1.22 8.98 1.21 C 37.00 1.18 65.02 1.25 93.03 1.19 C 95.53 1.45 98.91 1.02 100.31 3.63 C 101.57 5.50 101.41 7.84 101.46 9.98 C 101.41 20.66 101.49 31.34 101.42 42.02 C 101.47 44.44 100.55 47.12 98.30 48.31 C 95.68 49.45 92.76 48.78 90.01 48.81 C 65.02 48.80 40.02 48.83 15.02 48.80 C 11.70 48.82 8.35 49.28 5.04 48.72 L 5.39 47.64 C 8.24 47.83 11.09 48.07 13.95 48.13 C 39.31 48.15 64.66 48.12 90.02 48.15 C 92.91 48.15 95.79 47.82 98.63 47.31 C 98.05 46.60 97.37 45.99 96.61 45.49 L 95.99 45.06 C 96.80 44.80 98.40 44.30 99.21 44.04 L 99.36 44.03 C 99.50 44.03 99.79 44.02 99.93 44.01 C 100.48 31.44 100.36 18.75 100.14 6.16 C 99.85 5.82 99.28 5.16 99.00 4.83 L 98.05 4.18 C 97.44 3.75 96.83 3.33 96.22 2.91 C 95.08 1.78 93.46 1.86 91.98 1.84 C 65.31 2.00 38.64 1.81 11.97 1.92 C 9.59 1.93 7.19 1.95 4.85 1.48 Z" />
|
|
<path fill="#fdc28e" d=" M 2.40 4.64 C 3.22 4.02 4.05 3.42 4.88 2.81 C 35.32 2.80 65.78 2.61 96.22 2.91 C 96.83 3.33 97.44 3.75 98.05 4.18 C 97.94 10.99 97.98 17.80 98.03 24.61 C 94.33 24.55 90.63 24.55 86.93 24.61 C 87.03 20.61 85.58 16.14 81.83 14.17 C 79.15 12.57 75.83 13.14 73.29 14.71 C 72.19 14.27 71.09 13.86 69.98 13.48 C 68.39 13.87 67.26 15.25 67.53 16.92 C 67.45 19.53 67.54 22.13 67.52 24.74 C 67.13 24.69 66.35 24.59 65.97 24.55 C 65.86 21.70 65.76 18.50 63.66 16.31 C 60.13 12.15 52.85 12.14 49.37 16.37 C 47.35 18.58 46.81 21.64 46.81 24.53 C 45.41 24.56 44.01 24.59 42.61 24.62 C 42.59 22.97 42.57 21.32 42.60 19.68 C 43.90 19.29 45.26 19.07 46.53 18.57 C 47.29 17.40 47.41 15.65 46.54 14.51 C 45.32 14.03 44.05 13.72 42.73 13.58 C 42.78 10.95 42.74 6.67 38.89 7.30 C 36.49 8.54 37.22 11.38 36.92 13.57 C 34.23 13.50 32.07 16.35 34.12 18.59 C 34.83 18.84 36.25 19.33 36.97 19.58 C 37.12 21.25 37.06 22.92 37.06 24.59 C 35.75 24.59 34.44 24.59 33.14 24.61 C 32.96 21.36 33.89 17.35 31.15 14.90 C 28.35 12.51 24.15 12.89 21.14 14.66 C 19.28 13.73 16.40 12.75 15.43 15.37 C 15.10 18.44 15.36 21.53 15.28 24.61 C 11.08 24.54 6.88 24.58 2.69 24.58 C 2.10 17.97 2.69 11.28 2.40 4.64 Z" />
|
|
<path fill="#fde2cb" d=" M 98.05 4.18 L 99.00 4.83 C 99.13 17.89 98.72 31.00 99.36 44.03 L 99.21 44.04 L 97.99 43.66 C 98.18 37.32 98.14 30.96 98.03 24.61 C 97.98 17.80 97.94 10.99 98.05 4.18 Z" />
|
|
<path fill="#919191" d=" M 99.00 4.83 C 99.28 5.16 99.85 5.82 100.14 6.16 C 100.36 18.75 100.48 31.44 99.93 44.01 C 99.79 44.02 99.50 44.03 99.36 44.03 C 98.72 31.00 99.13 17.89 99.00 4.83 Z" />
|
|
<path fill="#ffffff" d=" M 36.92 13.57 C 37.22 11.38 36.49 8.54 38.89 7.30 C 42.74 6.67 42.78 10.95 42.73 13.58 C 44.05 13.72 45.32 14.03 46.54 14.51 C 47.41 15.65 47.29 17.40 46.53 18.57 C 45.26 19.07 43.90 19.29 42.60 19.68 C 42.57 21.32 42.59 22.97 42.61 24.62 C 42.16 27.60 44.14 33.15 39.86 33.86 C 35.40 33.43 37.57 27.54 37.06 24.59 C 37.06 22.92 37.12 21.25 36.97 19.58 C 36.25 19.33 34.83 18.84 34.12 18.59 C 32.07 16.35 34.23 13.50 36.92 13.57 Z" />
|
|
<path fill="#ffffff" d=" M 21.14 14.66 C 24.15 12.89 28.35 12.51 31.15 14.90 C 33.89 17.35 32.96 21.36 33.14 24.61 C 33.05 27.07 33.29 29.54 32.95 31.99 C 32.16 34.62 27.92 34.40 27.34 31.72 C 27.19 29.35 27.31 26.98 27.29 24.61 C 27.51 22.14 27.48 18.11 24.05 18.23 C 20.81 18.41 20.90 22.23 21.02 24.62 C 20.99 27.08 21.12 29.55 20.95 32.01 C 20.07 34.59 15.97 34.42 15.33 31.76 C 15.20 29.38 15.32 26.99 15.28 24.61 C 15.36 21.53 15.10 18.44 15.43 15.37 C 16.40 12.75 19.28 13.73 21.14 14.66 Z" />
|
|
<path fill="#ffffff" d=" M 49.37 16.37 C 52.85 12.14 60.13 12.15 63.66 16.31 C 65.76 18.50 65.86 21.70 65.97 24.55 C 66.06 29.16 62.74 33.71 57.98 34.13 C 52.20 35.30 46.89 30.21 46.81 24.53 C 46.81 21.64 47.35 18.58 49.37 16.37 Z" />
|
|
<path fill="#ffffff" d=" M 73.29 14.71 C 75.83 13.14 79.15 12.57 81.83 14.17 C 85.58 16.14 87.03 20.61 86.93 24.61 C 86.64 28.43 84.48 32.37 80.78 33.78 C 78.26 34.69 75.60 34.08 73.23 33.05 C 73.25 35.33 73.62 37.68 73.06 39.92 C 72.06 42.49 67.59 41.88 67.55 39.02 C 67.45 34.26 67.54 29.50 67.52 24.74 C 67.54 22.13 67.45 19.53 67.53 16.92 C 67.26 15.25 68.39 13.87 69.98 13.48 C 71.09 13.86 72.19 14.27 73.29 14.71 Z" />
|
|
<path fill="#fdc28e" d=" M 21.02 24.62 C 20.90 22.23 20.81 18.41 24.05 18.23 C 27.48 18.11 27.51 22.14 27.29 24.61 C 25.20 24.57 23.11 24.57 21.02 24.62 Z" />
|
|
<path fill="#fdc28e" d=" M 52.65 24.61 C 52.24 21.99 53.91 18.42 57.03 18.94 C 59.66 19.25 60.63 22.31 60.35 24.61 C 57.79 24.56 55.22 24.56 52.65 24.61 Z" />
|
|
<path fill="#fdc28e" d=" M 72.96 25.45 C 73.30 22.95 73.64 19.11 76.92 18.92 C 80.68 18.62 81.33 23.07 81.11 25.88 L 80.87 25.48 L 80.33 24.57 C 78.09 24.72 75.61 24.01 73.55 25.17 L 72.96 25.45 Z" />
|
|
<path fill="#fc8a21" d=" M 2.69 24.58 C 6.88 24.58 11.08 24.54 15.28 24.61 C 15.32 26.99 15.20 29.38 15.33 31.76 C 15.97 34.42 20.07 34.59 20.95 32.01 C 21.12 29.55 20.99 27.08 21.02 24.62 C 23.11 24.57 25.20 24.57 27.29 24.61 C 27.31 26.98 27.19 29.35 27.34 31.72 C 27.92 34.40 32.16 34.62 32.95 31.99 C 33.29 29.54 33.05 27.07 33.14 24.61 C 34.44 24.59 35.75 24.59 37.06 24.59 C 37.57 27.54 35.40 33.43 39.86 33.86 C 44.14 33.15 42.16 27.60 42.61 24.62 C 44.01 24.59 45.41 24.56 46.81 24.53 C 46.89 30.21 52.20 35.30 57.98 34.13 C 62.74 33.71 66.06 29.16 65.97 24.55 C 66.35 24.59 67.13 24.69 67.52 24.74 C 67.54 29.50 67.45 34.26 67.55 39.02 C 67.59 41.88 72.06 42.49 73.06 39.92 C 73.62 37.68 73.25 35.33 73.23 33.05 C 75.60 34.08 78.26 34.69 80.78 33.78 C 84.48 32.37 86.64 28.43 86.93 24.61 C 90.63 24.55 94.33 24.55 98.03 24.61 C 98.14 30.96 98.18 37.32 97.99 43.66 L 99.21 44.04 C 98.40 44.30 96.80 44.80 95.99 45.06 C 65.83 44.97 35.66 44.94 5.50 45.07 L 4.31 45.05 C 3.90 44.64 3.08 43.80 2.67 43.38 C 2.79 37.12 2.76 30.84 2.69 24.58 Z" />
|
|
<path fill="#fc8a21" d=" M 52.65 24.61 C 55.22 24.56 57.79 24.56 60.35 24.61 C 60.25 27.09 57.56 29.61 55.11 28.23 C 53.54 27.78 53.08 25.97 52.65 24.61 Z" />
|
|
<path fill="#fc8a21" d=" M 73.55 25.17 C 75.61 24.01 78.09 24.72 80.33 24.57 L 80.87 25.48 C 80.22 29.65 73.76 29.42 73.55 25.17 Z" />
|
|
<path fill="#fdb26d" d=" M 5.50 45.07 C 35.66 44.94 65.83 44.97 95.99 45.06 L 96.61 45.49 C 94.20 46.38 91.57 45.86 89.06 46.00 C 60.87 45.86 32.65 46.28 4.48 45.79 L 5.50 45.07 Z" />
|
|
<path fill="#a2a2a2" d=" M 2.04 44.37 L 4.48 45.79 C 32.65 46.28 60.87 45.86 89.06 46.00 C 91.57 45.86 94.20 46.38 96.61 45.49 C 97.37 45.99 98.05 46.60 98.63 47.31 C 95.79 47.82 92.91 48.15 90.02 48.15 C 64.66 48.12 39.31 48.15 13.95 48.13 C 11.09 48.07 8.24 47.83 5.39 47.64 C 4.55 46.82 2.87 45.19 2.04 44.37 Z" />
|
|
</svg>
|
|
]]
|
|
end
|
|
|
|
function addGauge(name, url, maxValue, width, height)
|
|
if(url ~= nil) then print('<A HREF="'..url..'">') end
|
|
print [[
|
|
<div class="progress">
|
|
<div id="]] print(name) print [[" class="progress-bar progress-bar-warning"></div>
|
|
</div>
|
|
]]
|
|
if(url ~= nil) then print('</A>\n') end
|
|
|
|
end
|
|
|
|
-- Compute the difference in seconds between local time and UTC.
|
|
function get_timezone()
|
|
local now = os.time()
|
|
return os.difftime(now, os.time(os.date("!*t", now)))
|
|
end
|
|
|
|
function getCategoriesWithProtocols()
|
|
local protocol_categories = interface.getnDPICategories()
|
|
|
|
for k,v in pairsByKeys(protocol_categories) do
|
|
protocol_categories[k] = {id=v, protos=interface.getnDPIProtocols(tonumber(v)), count=0}
|
|
|
|
for proto,_ in pairs(protocol_categories[k].protos) do
|
|
protocol_categories[k].count = protocol_categories[k].count + 1
|
|
end
|
|
end
|
|
|
|
return protocol_categories
|
|
end
|
|
|
|
function isValidPoolMember(member)
|
|
if isEmptyString(member) then
|
|
return false
|
|
end
|
|
|
|
if isMacAddress(member) then
|
|
return true
|
|
end
|
|
|
|
-- vlan is mandatory here
|
|
local vlan_idx = string.find(member, "@")
|
|
if ((vlan_idx == nil) or (vlan_idx == 1)) then
|
|
return false
|
|
end
|
|
local other = string.sub(member, 1, vlan_idx-1)
|
|
local vlan = tonumber(string.sub(member, vlan_idx+1))
|
|
if (vlan == nil) or (vlan < 0) then
|
|
return false
|
|
end
|
|
|
|
-- prefix is mandatory here
|
|
local address, prefix = splitNetworkPrefix(other)
|
|
if prefix == nil then
|
|
return false
|
|
end
|
|
if isIPv4(address) and (tonumber(prefix) >= 0) and (tonumber(prefix) <= 32) then
|
|
return true
|
|
elseif isIPv6(address) and (tonumber(prefix) >= 0) and (tonumber(prefix) <= 128) then
|
|
return true
|
|
end
|
|
|
|
return false
|
|
end
|
|
|
|
function host2member(ip, vlan, prefix)
|
|
if prefix == nil then
|
|
if isIPv4(ip) then
|
|
prefix = 32
|
|
else
|
|
prefix = 128
|
|
end
|
|
end
|
|
|
|
return ip .. "/" .. tostring(prefix) .. "@" .. tostring(vlan)
|
|
end
|
|
|
|
function isLocal(host_ip)
|
|
host = interface.getHostInfo(host_ip)
|
|
|
|
if((host == nil) or (host['localhost'] ~= true)) then
|
|
return(false)
|
|
else
|
|
return(true)
|
|
end
|
|
end
|
|
|
|
-- Return the first 'howmany' hosts
|
|
function getTopInterfaceHosts(howmany, localHostsOnly)
|
|
hosts_stats = interface.getHostsInfo()
|
|
hosts_stats = hosts_stats["hosts"]
|
|
ret = {}
|
|
sortTable = {}
|
|
n = 0
|
|
for k,v in pairs(hosts_stats) do
|
|
if((not localHostsOnly) or ((v["localhost"] == true) and (v["ip"] ~= nil))) then
|
|
sortTable[v["bytes.sent"]+v["bytes.rcvd"]+n] = k
|
|
n = n +0.01
|
|
end
|
|
end
|
|
|
|
n = 0
|
|
for _v,k in pairsByKeys(sortTable, rev) do
|
|
if(n < howmany) then
|
|
ret[k] = hosts_stats[k]
|
|
n = n+1
|
|
else
|
|
break
|
|
end
|
|
end
|
|
|
|
return(ret)
|
|
end
|
|
|
|
function http_escape(s)
|
|
s = string.gsub(s, "([&=+%c])", function (c)
|
|
return string.format("%%%02X", string.byte(c))
|
|
end)
|
|
s = string.gsub(s, " ", "+")
|
|
return s
|
|
end
|
|
|
|
-- Windows fixes for interfaces with "uncommon chars"
|
|
function purifyInterfaceName(interface_name)
|
|
-- io.write(debug.traceback().."\n")
|
|
interface_name = string.gsub(interface_name, "@", "_")
|
|
interface_name = string.gsub(interface_name, ":", "_")
|
|
interface_name = string.gsub(interface_name, "/", "_")
|
|
return(interface_name)
|
|
end
|
|
|
|
-- See datatype AggregationType in ntop_typedefs.h
|
|
function aggregation2String(value)
|
|
if(value == 0) then return("Client Name")
|
|
elseif(value == 1) then return("Server Name")
|
|
elseif(value == 2) then return("Domain Name")
|
|
elseif(value == 3) then return("Operating System")
|
|
elseif(value == 4) then return("Registrar Name")
|
|
else return(value)
|
|
end
|
|
end
|
|
|
|
-- #################################
|
|
|
|
-- Aggregates items below some edge
|
|
-- edge: minimum percentage value to create collision
|
|
-- min_col: minimum collision groups to aggregate
|
|
function aggregatePie(values, values_sum, edge, min_col)
|
|
local edge = edge or 0.09
|
|
min_col = min_col or 2
|
|
local aggr = {}
|
|
local other = i18n("other")
|
|
local below_edge = {}
|
|
|
|
-- Initial lookup
|
|
for k,v in pairs(values) do
|
|
if v / values_sum <= edge then
|
|
-- too small
|
|
below_edge[#below_edge + 1] = k
|
|
else
|
|
aggr[k] = v
|
|
end
|
|
end
|
|
|
|
-- Decide if to aggregate
|
|
for _,k in pairs(below_edge) do
|
|
if #below_edge >= min_col then
|
|
-- aggregate
|
|
aggr[other] = aggr[other] or 0
|
|
aggr[other] = aggr[other] + values[k]
|
|
else
|
|
-- do not aggregate
|
|
aggr[k] = values[k]
|
|
end
|
|
end
|
|
|
|
return aggr
|
|
end
|
|
|
|
-- #################################
|
|
|
|
function hostVisualization(ip, name)
|
|
if (ip ~= name) and isIPv6(ip) then
|
|
return name.." [IPv6]"
|
|
end
|
|
return name
|
|
end
|
|
|
|
-- #################################
|
|
|
|
-- NOTE: prefer the getResolvedAddress on this function
|
|
function resolveAddress(hostinfo, allow_empty)
|
|
local hostname = ntop.resolveName(hostinfo["host"])
|
|
if isEmptyString(hostname) then
|
|
-- Not resolved
|
|
if allow_empty == true then
|
|
return hostname
|
|
else
|
|
-- this function will take care of formatting the IP
|
|
return getResolvedAddress(hostinfo)
|
|
end
|
|
end
|
|
return hostVisualization(hostinfo["host"], hostname)
|
|
end
|
|
|
|
-- #################################
|
|
|
|
function getResolvedAddress(hostinfo)
|
|
local hostname = ntop.getResolvedName(hostinfo["host"])
|
|
return hostVisualization(hostinfo["host"], hostname)
|
|
end
|
|
|
|
-- #################################
|
|
|
|
function getIpUrl(ip)
|
|
if isIPv6(ip) then
|
|
-- https://www.ietf.org/rfc/rfc2732.txt
|
|
return "["..ip.."]"
|
|
end
|
|
return ip
|
|
end
|
|
|
|
-- #################################
|
|
|
|
function getOSIcon(name)
|
|
icon = ""
|
|
|
|
if(findString(name, "Linux") or findString(name, "Ubuntu")) then icon = '<i class=\'fa fa-linux fa-lg\'></i> '
|
|
elseif(findString(name, "Android")) then icon = '<i class=\'fa fa-android fa-lg\'></i> '
|
|
elseif(findString(name, "Windows") or findString(name, "Win32") or findString(name, "MSIE")) then icon = '<i class=\'fa fa-windows fa-lg\'></i> '
|
|
elseif(findString(name, "iPhone") or findString(name, "iPad") or findString(name, "OS X") ) then icon = '<i class=\'fa fa-apple fa-lg\'></i> '
|
|
end
|
|
|
|
return(icon)
|
|
end
|
|
|
|
-- #################################
|
|
|
|
function getOperatingSystemName(id)
|
|
if(id == 1) then return("Linux")
|
|
elseif(id == 2) then return("Windows")
|
|
elseif(id == 3) then return("MacOS")
|
|
elseif(id == 4) then return("iOS")
|
|
elseif(id == 5) then return("Android")
|
|
elseif(id == 6) then return("LaserJET")
|
|
elseif(id == 7) then return("AppleAirport")
|
|
else
|
|
return("") -- Unknown
|
|
end
|
|
end
|
|
|
|
-- #################################
|
|
|
|
function getOperatingSystemIcon(id)
|
|
if(id == 1) then return(' <i class=\'fa fa-linux fa-lg\'></i>')
|
|
elseif(id == 2) then return(' <i class=\'fa fa-windows fa-lg\'></i>')
|
|
elseif(id == 3) then return(' <i class=\'fa fa-apple fa-lg\'></i>')
|
|
elseif(id == 4) then return(' <i class=\'fa fa-apple fa-lg\'></i>')
|
|
elseif(id == 5) then return(' <i class=\'fa fa-android fa-lg\'></i>')
|
|
elseif(id == 6) then return(' LasetJET')
|
|
elseif(id == 7) then return(' Apple Airport')
|
|
|
|
else return("")
|
|
end
|
|
end
|
|
|
|
-- #################################
|
|
|
|
function getApplicationIcon(name)
|
|
local icon = ""
|
|
if(name == nil) then name = "" end
|
|
|
|
if(findString(name, "Skype")) then icon = '<i class=\'fa fa-skype fa-lg\'></i>'
|
|
elseif(findString(name, "Unknown")) then icon = '<i class=\'fa fa-question fa-lg\'></i>'
|
|
elseif(findString(name, "Twitter")) then icon = '<i class=\'fa fa-twitter fa-lg\'></i>'
|
|
elseif(findString(name, "DropBox")) then icon = '<i class=\'fa fa-dropbox fa-lg\'></i>'
|
|
elseif(findString(name, "Spotify")) then icon = '<i class=\'fa fa-spotify fa-lg\'></i>'
|
|
elseif(findString(name, "Apple")) then icon = '<i class=\'fa fa-apple fa-lg\'></i>'
|
|
elseif(findString(name, "Google") or
|
|
findString(name, "Chrome")) then icon = '<i class=\'fa fa-google-plus fa-lg\'></i>'
|
|
elseif(findString(name, "FaceBook")) then icon = '<i class=\'fa fa-facebook-square fa-lg\'></i>'
|
|
elseif(findString(name, "Youtube")) then icon = '<i class=\'fa fa-youtube-square fa-lg\'></i>'
|
|
elseif(findString(name, "thunderbird")) then icon = '<i class=\'fa fa-paper-plane fa-lg\'></i>'
|
|
end
|
|
|
|
return(icon)
|
|
end
|
|
|
|
-- #################################
|
|
|
|
function getApplicationLabel(name)
|
|
local icon = getApplicationIcon(name)
|
|
|
|
name = name:gsub("^%l", string.upper)
|
|
return(icon.." "..name)
|
|
end
|
|
|
|
function mapOS2Icon(name)
|
|
if(name == nil) then
|
|
return("")
|
|
else
|
|
return(getOSIcon(name) .. name)
|
|
end
|
|
end
|
|
|
|
function getItemsNumber(n)
|
|
tot = 0
|
|
for k,v in pairs(n) do
|
|
--io.write(k.."\n")
|
|
tot = tot + 1
|
|
end
|
|
|
|
--io.write(tot.."\n")
|
|
return(tot)
|
|
end
|
|
|
|
function getHostCommaSeparatedList(p_hosts)
|
|
hosts = {}
|
|
hosts_size = 0
|
|
for i,host in pairs(split(p_hosts, ",")) do
|
|
hosts[i] = host
|
|
hosts_size = hosts_size + 1
|
|
end
|
|
return hosts,hosts_size
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function splitNetworkPrefix(net)
|
|
local prefix = tonumber(net:match("/(.+)"))
|
|
local address = net:gsub("/.+","")
|
|
return address, prefix
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function splitProtocol(proto_string)
|
|
local parts = string.split(proto_string, "%.")
|
|
local app_proto
|
|
local master_proto
|
|
|
|
if parts == nil then
|
|
master_proto = proto_string
|
|
app_proto = nil
|
|
else
|
|
master_proto = parts[1]
|
|
app_proto = parts[2]
|
|
end
|
|
|
|
return master_proto, app_proto
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function getHostAltNamesKey()
|
|
return "ntopng.host_labels"
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function getDhcpNamesKey(ifid)
|
|
return "ntopng.dhcp."..ifid..".cache"
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
-- Used to avoid resolving host names too many times
|
|
resolved_host_labels_cache = {}
|
|
|
|
-- host_ip can be a mac. host_mac can be null.
|
|
function getHostAltName(host_ip, host_mac)
|
|
local alt_name = nil
|
|
|
|
if not isEmptyString(host_ip) then
|
|
alt_name = resolved_host_labels_cache[host_ip]
|
|
end
|
|
|
|
-- cache hit
|
|
if(alt_name ~= nil) then
|
|
return(alt_name)
|
|
end
|
|
|
|
alt_name = ntop.getHashCache(getHostAltNamesKey(), host_ip)
|
|
if (isEmptyString(alt_name) and (host_mac ~= nil)) then
|
|
alt_name = ntop.getHashCache(getHostAltNamesKey(), host_mac)
|
|
end
|
|
|
|
if isEmptyString(alt_name) and ifname ~= nil then
|
|
local key = getDhcpNamesKey(getInterfaceId(ifname))
|
|
|
|
if host_mac ~= nil then
|
|
alt_name = ntop.getHashCache(key, host_mac)
|
|
elseif isMacAddress(host_ip) then
|
|
alt_name = ntop.getHashCache(key, host_ip)
|
|
end
|
|
end
|
|
|
|
if isEmptyString(alt_name) then
|
|
alt_name = host_ip
|
|
end
|
|
|
|
if not isEmptyString(alt_name) then
|
|
resolved_host_labels_cache[host_ip] = alt_name
|
|
end
|
|
|
|
return(alt_name)
|
|
end
|
|
|
|
function setHostAltName(host_ip, alt_name)
|
|
ntop.setHashCache(getHostAltNamesKey(), host_ip, alt_name)
|
|
end
|
|
|
|
-- Mac Addresses --
|
|
|
|
-- A function to give a useful device name
|
|
function getDeviceName(device_mac, skip_manufacturer)
|
|
local name = getHostAltName(device_mac)
|
|
|
|
if name == device_mac then
|
|
-- Not found, try with first host
|
|
local info = interface.getHostsInfo(false, nil, 1, 0, nil, nil, nil, tonumber(vlan), nil,
|
|
nil, device_mac)
|
|
|
|
if (info ~= nil) then
|
|
for x, host in pairs(info.hosts) do
|
|
if not isEmptyString(host.name) and host.name ~= host.ip and host.name ~= "NoIP" then
|
|
name = host.name
|
|
elseif host.ip ~= "0.0.0.0" then
|
|
name = getHostAltName(host.ip)
|
|
|
|
if name == host.ip then
|
|
name = nil
|
|
end
|
|
end
|
|
break
|
|
end
|
|
else
|
|
name = nil
|
|
end
|
|
end
|
|
|
|
if isEmptyString(name) then
|
|
if (not skip_manufacturer) then
|
|
name = get_symbolic_mac(device_mac, true)
|
|
else
|
|
-- last resort
|
|
name = device_mac
|
|
end
|
|
end
|
|
|
|
return name
|
|
end
|
|
|
|
local specialMACs = {
|
|
"01:00:0C",
|
|
"01:80:C2",
|
|
"01:00:5E",
|
|
"01:0C:CD",
|
|
"01:1B:19",
|
|
"FF:FF",
|
|
"33:33"
|
|
}
|
|
function isSpecialMac(mac)
|
|
for _,key in pairs(specialMACs) do
|
|
if(string.contains(mac, key)) then
|
|
return true
|
|
end
|
|
end
|
|
|
|
return false
|
|
end
|
|
|
|
-- Flow Utils --
|
|
|
|
function host2name(name, vlan)
|
|
local orig_name = name
|
|
|
|
vlan = tonumber(vlan or "0")
|
|
|
|
name = getHostAltName(name)
|
|
|
|
if(name == orig_name) then
|
|
rname = getResolvedAddress({host=name, vlan=vlan})
|
|
|
|
if((rname ~= nil) and (rname ~= "")) then
|
|
name = rname
|
|
end
|
|
end
|
|
|
|
if(vlan > 0) then
|
|
name = name .. '@' .. vlan
|
|
end
|
|
|
|
return name
|
|
end
|
|
|
|
function flowinfo2hostname(flow_info, host_type)
|
|
local name
|
|
local orig_name
|
|
|
|
if(host_type == "srv") then
|
|
if(flow_info["host_server_name"] ~= nil and flow_info["host_server_name"] ~= "") then
|
|
return(flow_info["host_server_name"])
|
|
end
|
|
if(flow_info["protos.ssl.certificate"] ~= nil and flow_info["protos.ssl.certificate"] ~= "") then
|
|
return(flow_info["protos.ssl.certificate"])
|
|
end
|
|
end
|
|
|
|
name = flow_info[host_type..".host"]
|
|
|
|
if((name == "") or (name == nil)) then
|
|
name = flow_info[host_type..".ip"]
|
|
end
|
|
|
|
return(host2name(name, flow_info["vlan"]))
|
|
end
|
|
|
|
|
|
-- URL Util --
|
|
|
|
--
|
|
-- Split the host key (ip@vlan) creating a new lua table.
|
|
-- Example:
|
|
-- info = hostkey2hostinfo(key)
|
|
-- ip = info["host"]
|
|
-- vlan = info["vlan"]
|
|
--
|
|
function hostkey2hostinfo(key)
|
|
local host = {}
|
|
local info = split(key,"@")
|
|
if(info[1] ~= nil) then host["host"] = info[1] end
|
|
if(info[2] ~= nil) then
|
|
host["vlan"] = tonumber(info[2])
|
|
else
|
|
host["vlan"] = 0
|
|
end
|
|
return host
|
|
end
|
|
|
|
--
|
|
-- Analyze the host_info table and return the host key.
|
|
-- Example:
|
|
-- host_info = interface.getHostInfo("127.0.0.1",0)
|
|
-- key = hostinfo2hostkey(host_info)
|
|
--
|
|
function hostinfo2hostkey(host_info,host_type,show_vlan)
|
|
local rsp = ""
|
|
|
|
if(host_type == "cli") then
|
|
|
|
if(host_info["cli.ip"] ~= nil) then
|
|
rsp = rsp..host_info["cli.ip"]
|
|
end
|
|
|
|
elseif(host_type == "srv") then
|
|
|
|
if(host_info["srv.ip"] ~= nil) then
|
|
rsp = rsp..host_info["srv.ip"]
|
|
end
|
|
else
|
|
|
|
if(host_info["host"] ~= nil) then
|
|
rsp = rsp..host_info["host"]
|
|
elseif(host_info["name"] ~= nil) then
|
|
rsp = rsp..host_info["name"]
|
|
elseif(host_info["ip"] ~= nil) then
|
|
rsp = rsp..host_info["ip"]
|
|
elseif(host_info["mac"] ~= nil) then
|
|
rsp = rsp..host_info["mac"]
|
|
end
|
|
end
|
|
|
|
if(((host_info["vlan"] ~= nil) and (host_info["vlan"] ~= 0))
|
|
or ((show_vlan ~= nil) and show_vlan)) then
|
|
rsp = rsp..'@'..tostring(host_info["vlan"])
|
|
end
|
|
|
|
if(debug_host) then traceError(TRACE_DEBUG,TRACE_CONSOLE,"HOST2URL => ".. rsp .. "\n") end
|
|
return rsp
|
|
end
|
|
|
|
function member2visual(member)
|
|
local info = hostkey2hostinfo(member)
|
|
local host = info.host
|
|
local hlen = string.len(host)
|
|
|
|
if string.ends(host, "/32") and isIPv4(string.sub(host, 1, hlen-3)) then
|
|
host = string.sub(host, 1, hlen-3)
|
|
elseif string.ends(host, "/128") and isIPv6(string.sub(host, 1, hlen-4)) then
|
|
host = string.sub(host, 1, hlen-4)
|
|
end
|
|
|
|
return hostinfo2hostkey({host=host, vlan=info.vlan})
|
|
end
|
|
|
|
--
|
|
-- Analyze the get_info and return a new table containing the url information about an host.
|
|
-- Example: url2host(_GET)
|
|
--
|
|
function url2hostinfo(get_info)
|
|
local host = {}
|
|
|
|
-- Catch when the host key is using as host url parameter
|
|
if((get_info["host"] ~= nil) and (string.find(get_info["host"],"@"))) then
|
|
get_info = hostkey2hostinfo(get_info["host"])
|
|
end
|
|
|
|
if(get_info["host"] ~= nil) then
|
|
host["host"] = get_info["host"]
|
|
if(debug_host) then traceError(TRACE_DEBUG,TRACE_CONSOLE,"URL2HOST => Host:"..get_info["host"].."\n") end
|
|
end
|
|
|
|
if(get_info["vlan"] ~= nil) then
|
|
host["vlan"] = tonumber(get_info["vlan"])
|
|
if(debug_host) then traceError(TRACE_DEBUG,TRACE_CONSOLE,"URL2HOST => Vlan:"..get_info["vlan"].."\n") end
|
|
else
|
|
host["vlan"] = 0
|
|
end
|
|
|
|
return host
|
|
end
|
|
|
|
--
|
|
-- Catch the main information about an host from the host_info table and return the corresponding url.
|
|
-- Example:
|
|
-- hostinfo2url(host_key), return an url based on the host_key
|
|
-- hostinfo2url(host[key]), return an url based on the host value
|
|
-- hostinfo2url(flow[key],"cli"), return an url based on the client host information in the flow table
|
|
-- hostinfo2url(flow[key],"srv"), return an url based on the server host information in the flow table
|
|
--
|
|
|
|
function hostinfo2url(host_info, host_type, novlan)
|
|
local rsp = ''
|
|
-- local version = 0
|
|
local version = 1
|
|
|
|
if(host_type == "cli") then
|
|
if(host_info["cli.ip"] ~= nil) then
|
|
rsp = rsp..'host='..host_info["cli.ip"]
|
|
end
|
|
|
|
elseif(host_type == "srv") then
|
|
if(host_info["srv.ip"] ~= nil) then
|
|
rsp = rsp..'host='..host_info["srv.ip"]
|
|
end
|
|
else
|
|
|
|
if((type(host_info) ~= "table")) then
|
|
host_info = hostkey2hostinfo(host_info)
|
|
end
|
|
|
|
if(host_info["host"] ~= nil) then
|
|
rsp = rsp..'host='..host_info["host"]
|
|
elseif(host_info["ip"] ~= nil) then
|
|
rsp = rsp..'host='..host_info["ip"]
|
|
elseif(host_info["name"] ~= nil) then
|
|
rsp = rsp..'host='..host_info["name"]
|
|
elseif(host_info["mac"] ~= nil) then
|
|
rsp = rsp..'host='..host_info["mac"]
|
|
end
|
|
end
|
|
|
|
if(novlan == nil) then
|
|
if((host_info["vlan"] ~= nil) and (tonumber(host_info["vlan"]) ~= 0)) then
|
|
if(version == 0) then
|
|
rsp = rsp..'&vlan='..tostring(host_info["vlan"])
|
|
elseif(version == 1) then
|
|
rsp = rsp..'@'..tostring(host_info["vlan"])
|
|
end
|
|
end
|
|
end
|
|
|
|
if(debug_host) then traceError(TRACE_DEBUG,TRACE_CONSOLE,"HOST2URL => ".. rsp .. "\n") end
|
|
|
|
return rsp
|
|
end
|
|
|
|
|
|
--
|
|
-- Catch the main information about an host from the host_info table and return the corresponding json.
|
|
-- Example:
|
|
-- hostinfo2json(host[key]), return a json string based on the host value
|
|
-- hostinfo2json(flow[key],"cli"), return a json string based on the client host information in the flow table
|
|
-- hostinfo2json(flow[key],"srv"), return a json string based on the server host information in the flow table
|
|
--
|
|
function hostinfo2json(host_info,host_type)
|
|
local rsp = ''
|
|
|
|
if(host_type == "cli") then
|
|
if(host_info["cli.ip"] ~= nil) then
|
|
rsp = rsp..'host: "'..host_info["cli.ip"]..'"'
|
|
end
|
|
elseif(host_type == "srv") then
|
|
if(host_info["srv.ip"] ~= nil) then
|
|
rsp = rsp..'host: "'..host_info["srv.ip"]..'"'
|
|
end
|
|
else
|
|
if((type(host_info) ~= "table") and (string.find(host_info,"@"))) then
|
|
host_info = hostkey2hostinfo(host_info)
|
|
end
|
|
|
|
if(host_info["host"] ~= nil) then
|
|
rsp = rsp..'host: "'..host_info["host"]..'"'
|
|
elseif(host_info["ip"] ~= nil) then
|
|
rsp = rsp..'host: "'..host_info["ip"]..'"'
|
|
elseif(host_info["name"] ~= nil) then
|
|
rsp = rsp..'host: "'..host_info["name"] ..'"'
|
|
elseif(host_info["mac"] ~= nil) then
|
|
rsp = rsp..'host: "'..host_info["mac"] ..'"'
|
|
end
|
|
end
|
|
|
|
if((host_info["vlan"] ~= nil) and (host_info["vlan"] ~= 0)) then
|
|
rsp = rsp..', vlan: "'..tostring(host_info["vlan"]) .. '"'
|
|
end
|
|
|
|
if(debug_host) then traceError(TRACE_DEBUG,TRACE_CONSOLE,"HOST2JSON => ".. rsp .. "\n") end
|
|
|
|
return rsp
|
|
end
|
|
|
|
--
|
|
-- Catch the main information about an host from the host_info table and return the corresponding jqueryid.
|
|
-- Example: host 192.168.1.254, vlan0 ==> 1921681254_0
|
|
function hostinfo2jqueryid(host_info,host_type)
|
|
local rsp = ''
|
|
|
|
if(host_type == "cli") then
|
|
if(host_info["cli.ip"] ~= nil) then
|
|
rsp = rsp..''..host_info["cli.ip"]
|
|
end
|
|
|
|
elseif(host_type == "srv") then
|
|
if(host_info["srv.ip"] ~= nil) then
|
|
rsp = rsp..''..host_info["srv.ip"]
|
|
end
|
|
else
|
|
if((type(host_info) ~= "table") and (string.find(host_info,"@"))) then
|
|
host_info = hostkey2hostinfo(host_info)
|
|
end
|
|
|
|
if(host_info["host"] ~= nil) then
|
|
rsp = rsp..''..host_info["host"]
|
|
elseif(host_info["ip"] ~= nil) then
|
|
rsp = rsp..''..host_info["ip"]
|
|
elseif(host_info["name"] ~= nil) then
|
|
rsp = rsp..''..host_info["name"]
|
|
elseif(host_info["mac"] ~= nil) then
|
|
rsp = rsp..''..host_info["mac"]
|
|
end
|
|
end
|
|
|
|
|
|
if((host_info["vlan"] ~= nil) and (host_info["vlan"] ~= 0)) then
|
|
rsp = rsp..'@'..tostring(host_info["vlan"])
|
|
end
|
|
|
|
rsp = string.gsub(rsp, "%.", "__")
|
|
rsp = string.gsub(rsp, "/", "___")
|
|
rsp = string.gsub(rsp, ":", "____")
|
|
|
|
if(debug_host) then traceError(TRACE_DEBUG,TRACE_CONSOLE,"HOST2KEY => ".. rsp .. "\n") end
|
|
|
|
return rsp
|
|
end
|
|
|
|
-- version is major.minor.veryminor
|
|
function version2int(v)
|
|
if(v == nil) then return(0) end
|
|
|
|
e = string.split(v, "%.");
|
|
if(e ~= nil) then
|
|
major = e[1]
|
|
minor = e[2]
|
|
veryminor = e[3]
|
|
|
|
if(major == nil or tonumber(major) == nil or type(major) ~= "string") then major = 0 end
|
|
if(minor == nil or tonumber(minor) == nil or type(minor) ~= "string") then minor = 0 end
|
|
if(veryminor == nil or tonumber(veryminor) == nil or type(veryminor) ~= "string") then veryminor = 0 end
|
|
|
|
version = tonumber(major)*1000 + tonumber(minor)*100 -- + tonumber(veryminor)
|
|
return(version)
|
|
else
|
|
return(0)
|
|
end
|
|
end
|
|
|
|
function get_version_update_msg(info, latest_version)
|
|
version_elems = split(info["version"], " ")
|
|
new_version = version2int(latest_version)
|
|
this_version = version2int(version_elems[1])
|
|
|
|
if(new_version > this_version) then
|
|
return [[<div class='alert alert-warning'><font color=red><i class='fa fa-cloud-download fa-lg'></i> A new ]]..info["product"]..[[ (v.]]..(latest_version)..[[) is available for <A HREF='http://www.ntop.org/get-started/download/'>download</A>: please upgrade.</font></div>]]
|
|
else
|
|
return ""
|
|
end
|
|
end
|
|
|
|
function table.empty(table)
|
|
if(table == nil) then return true end
|
|
if next(table) == nil then
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
function table.len(table)
|
|
local count = 0
|
|
|
|
if(table == nil) then return(0) end
|
|
for k,v in pairs(table) do
|
|
count = count + 1
|
|
end
|
|
|
|
return count
|
|
end
|
|
|
|
function table.slice(tbl, first, last, step)
|
|
local sliced = {}
|
|
|
|
for i = first or 1, last or #tbl, step or 1 do
|
|
sliced[#sliced+1] = tbl[i]
|
|
end
|
|
|
|
return sliced
|
|
end
|
|
|
|
-- ############################################
|
|
-- Redis Utils
|
|
-- ############################################
|
|
|
|
-- Inpur: General prefix (i.e ntopng.pref)
|
|
-- Output: User based prefix, if it exists
|
|
--
|
|
-- Examples:
|
|
-- With user: ntopng.pref.user_name
|
|
-- Without: ntopng.pref
|
|
function getRedisPrefix(str)
|
|
if not (isEmptyString(_SESSION["user"] )) then
|
|
-- Login enabled
|
|
return (str .. '.' .. _SESSION["user"])
|
|
else
|
|
-- Login disabled
|
|
return (str)
|
|
end
|
|
end
|
|
|
|
function getRedisIfacePrefix(ifid)
|
|
return "ntopng.prefs.ifid_"..tostring(ifid)
|
|
end
|
|
|
|
----- End of Redis Utils ------
|
|
|
|
|
|
function isPausedInterface(current_ifname)
|
|
state = ntop.getCache("ntopng.prefs."..current_ifname.."_not_idle")
|
|
if(state == "0") then return true else return false end
|
|
end
|
|
|
|
function getThroughputType()
|
|
throughput_type = ntop.getCache("ntopng.prefs.thpt_content")
|
|
|
|
if(throughput_type == "") then
|
|
throughput_type = "bps"
|
|
end
|
|
return throughput_type
|
|
end
|
|
|
|
function isLoopback(name)
|
|
if((name == "lo") or (name == "lo0")) then
|
|
return(true)
|
|
else
|
|
return(false)
|
|
end
|
|
end
|
|
|
|
function isLocalPacketdumpEnabled()
|
|
local nbox_integration = ntop.getCache("ntopng.prefs.nbox_integration")
|
|
if nbox_integration == nil or nbox_integration ~= "1" then
|
|
nbox_integration = false
|
|
else
|
|
nbox_integration = true
|
|
end
|
|
return isAdministrator() and not nbox_integration and interface.isPacketInterface() and not ntop.isnEdge()
|
|
end
|
|
|
|
function processColor(proc)
|
|
if(proc == nil) then
|
|
return("")
|
|
elseif(proc["average_cpu_load"] < 33) then
|
|
return("<font color=green>"..proc["name"].."</font>")
|
|
elseif(proc["average_cpu_load"] < 66) then
|
|
return("<font color=orange>"..proc["name"].."</font>")
|
|
else
|
|
return("<font color=red>"..proc["name"].."</font>")
|
|
end
|
|
end
|
|
|
|
-- Table preferences
|
|
|
|
function getDefaultTableSort(table_type)
|
|
local table_key = getRedisPrefix("ntopng.sort.table")
|
|
local value = nil
|
|
|
|
if(table_type ~= nil) then
|
|
value = ntop.getHashCache(table_key, "sort_"..table_type)
|
|
end
|
|
if((value == nil) or (value == "")) then value = 'column_' end
|
|
return(value)
|
|
end
|
|
|
|
function getDefaultTableSortOrder(table_type, force_get)
|
|
local table_key = getRedisPrefix("ntopng.sort.table")
|
|
local value = nil
|
|
|
|
if(table_type ~= nil) then
|
|
value = ntop.getHashCache(table_key, "sort_order_"..table_type)
|
|
end
|
|
if((value == nil) or (value == "")) and (force_get ~= true) then value = 'desc' end
|
|
return(value)
|
|
end
|
|
|
|
function getDefaultTableSize()
|
|
table_key = getRedisPrefix("ntopng.sort.table")
|
|
value = ntop.getHashCache(table_key, "rows_number")
|
|
if((value == nil) or (value == "")) then value = 10 end
|
|
return(tonumber(value))
|
|
end
|
|
|
|
function tablePreferences(key, value, force_set)
|
|
table_key = getRedisPrefix("ntopng.sort.table")
|
|
|
|
if((value == nil) or (value == "")) and (force_set ~= true) then
|
|
-- Get preferences
|
|
return ntop.getHashCache(table_key, key)
|
|
else
|
|
-- Set preferences
|
|
ntop.setHashCache(table_key, key, value)
|
|
return(value)
|
|
end
|
|
end
|
|
|
|
function getInterfaceSpeed(ifstats)
|
|
local ifspeed = ntop.getCache('ntopng.prefs.'..ifstats.name..'.speed')
|
|
if not isEmptyString(ifspeed) and tonumber(ifspeed) ~= nil then
|
|
ifspeed = tonumber(ifspeed)
|
|
else
|
|
ifspeed = ifstats.speed
|
|
end
|
|
|
|
return ifspeed
|
|
end
|
|
|
|
function getInterfaceRefreshRate(ifid)
|
|
local key = getRedisIfacePrefix(ifid)..".refresh_rate"
|
|
local refreshrate = ntop.getCache(key)
|
|
|
|
if isEmptyString(refreshrate) or tonumber(refreshrate) == nil then
|
|
refreshrate = 3
|
|
else
|
|
refreshrate = tonumber(refreshrate)
|
|
end
|
|
|
|
return refreshrate
|
|
end
|
|
|
|
function setInterfaceRegreshRate(ifid, refreshrate)
|
|
local key = getRedisIfacePrefix(ifid)..".refresh_rate"
|
|
|
|
if isEmptyString(refreshrate) then
|
|
ntop.delCache(key)
|
|
else
|
|
ntop.setCache(key, tostring(refreshrate))
|
|
end
|
|
end
|
|
|
|
local function getCustomnDPIProtoCategoriesKey(ifid)
|
|
return getRedisIfacePrefix(ifid)..".custom_nDPI_proto_categories"
|
|
end
|
|
|
|
function getCustomnDPIProtoCategories(if_name)
|
|
local ifid = getInterfaceId(if_name)
|
|
local ndpi_protos = interface.getnDPIProtocols()
|
|
local key = getCustomnDPIProtoCategoriesKey(ifid)
|
|
|
|
local res = {}
|
|
for _, app_id in pairs(ndpi_protos) do
|
|
local custom_category = ntop.getHashCache(key, tostring(app_id))
|
|
if not isEmptyString(custom_category) then
|
|
res[tonumber(app_id)] = tonumber(custom_category)
|
|
end
|
|
end
|
|
|
|
return res
|
|
end
|
|
|
|
function initCustomnDPIProtoCategories()
|
|
for _, ifname in pairs(interface.getIfNames()) do
|
|
interface.select(ifname)
|
|
local custom = getCustomnDPIProtoCategories(ifname)
|
|
|
|
for app_id, cat_id in pairs(custom) do
|
|
interface.setnDPIProtoCategory(app_id, cat_id)
|
|
end
|
|
end
|
|
end
|
|
|
|
function setCustomnDPIProtoCategory(if_name, app_id, new_cat_id)
|
|
interface.select(if_name)
|
|
interface.setnDPIProtoCategory(app_id, new_cat_id)
|
|
|
|
local ifid = getInterfaceId(if_name)
|
|
local key = getCustomnDPIProtoCategoriesKey(ifid)
|
|
|
|
ntop.setHashCache(key, tostring(app_id), tostring(new_cat_id));
|
|
end
|
|
|
|
-- "Some Very Long String" -> "Some Ver...g String"
|
|
function shortenCollapse(s, max_len)
|
|
local replacement = "..."
|
|
local r_len = string.len(replacement)
|
|
local s_len = string.len(s)
|
|
|
|
if max_len == nil then
|
|
max_len = ntop.getPref("ntopng.prefs.max_ui_strlen")
|
|
max_len = tonumber(max_len)
|
|
if(max_len == nil) then max_len = 24 end
|
|
end
|
|
|
|
if max_len <= r_len then
|
|
return replacement
|
|
end
|
|
|
|
if s_len > max_len then
|
|
local half = math.floor((max_len-r_len) / 2)
|
|
return string.sub(s, 1, half) .. replacement .. string.sub(s, s_len-half+1)
|
|
end
|
|
|
|
return s
|
|
end
|
|
|
|
function getHumanReadableInterfaceName(interface_name)
|
|
local key = 'ntopng.prefs.'..interface_name..'.name'
|
|
local custom_name = ntop.getCache(key)
|
|
|
|
if not isEmptyString(custom_name) then
|
|
return(shortenCollapse(custom_name))
|
|
else
|
|
interface.select(interface_name)
|
|
local _ifstats = interface.getStats()
|
|
|
|
local nm = _ifstats.name
|
|
if(string.contains(nm, "{")) then -- Windows
|
|
nm = _ifstats.description
|
|
end
|
|
|
|
-- print(interface_name.."=".._ifstats.name)
|
|
return(shortenCollapse(nm or ''))
|
|
end
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function escapeHTML(s)
|
|
s = string.gsub(s, "([&=+%c])", function (c)
|
|
return string.format("%%%02X", string.byte(c))
|
|
end)
|
|
s = string.gsub(s, " ", "+")
|
|
return s
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function unescapeHTML (s)
|
|
local unesc = function (h)
|
|
local res = string.char(tonumber(h, 16))
|
|
return res
|
|
end
|
|
|
|
s = string.gsub(s, "+", " ")
|
|
s = string.gsub(s, "%%(%x%x)", unesc)
|
|
|
|
return s
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function harvestUnusedDir(path, min_epoch)
|
|
local files = ntop.readdir(path)
|
|
|
|
-- print("Reading "..path.."<br>\n")
|
|
|
|
for k,v in pairs(files) do
|
|
if(v ~= nil) then
|
|
local p = os_utils.fixPath(path .. "/" .. v)
|
|
if(ntop.isdir(p)) then
|
|
harvestUnusedDir(p, min_epoch)
|
|
else
|
|
local when = ntop.fileLastChange(path)
|
|
|
|
if((when ~= -1) and (when < min_epoch)) then
|
|
os.remove(p)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function harvestJSONTopTalkers(days)
|
|
local when = os.time() - 86400 * days
|
|
|
|
ifnames = interface.getIfNames()
|
|
for _,ifname in pairs(ifnames) do
|
|
interface.select(ifname)
|
|
local _ifstats = interface.getStats()
|
|
local dirs = ntop.getDirs()
|
|
local basedir = os_utils.fixPath(dirs.workingdir .. "/" .. _ifstats.id)
|
|
|
|
harvestUnusedDir(os_utils.fixPath(basedir .. "/top_talkers"), when)
|
|
harvestUnusedDir(os_utils.fixPath(basedir .. "/flows"), when)
|
|
end
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function isAdministrator()
|
|
local user_group = ntop.getUserGroup()
|
|
|
|
if(user_group == "administrator") or (user_group == "") then
|
|
return(true)
|
|
else
|
|
return(false)
|
|
end
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function haveAdminPrivileges()
|
|
if(isAdministrator()) then
|
|
return(true)
|
|
else
|
|
ntop.dumpFile(dirs.installdir .. "/httpdocs/inc/header.inc")
|
|
dofile(dirs.installdir .. "/scripts/lua/inc/menu.lua")
|
|
print("<div class=\"alert alert-danger\"><img src=".. ntop.getHttpPrefix() .. "/img/warning.png> Access forbidden</div>")
|
|
return(false)
|
|
end
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function getKeysSortedByValue(tbl, sortFunction)
|
|
local keys = {}
|
|
for key in pairs(tbl) do
|
|
table.insert(keys, key)
|
|
end
|
|
|
|
table.sort(keys, function(a, b)
|
|
return sortFunction(tbl[a], tbl[b])
|
|
end)
|
|
|
|
return keys
|
|
end
|
|
|
|
function getKeys(t, col)
|
|
local keys = {}
|
|
for k,v in pairs(t) do keys[tonumber(v[col])] = k end
|
|
return keys
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function formatBreed(breed)
|
|
if(breed == "Safe") then
|
|
return("<i class='fa fa-lock' alt='Safe Protocol'></i>")
|
|
elseif(breed == "Acceptable") then
|
|
return("<i class='fa fa-thumbs-o-up' alt='Acceptable Protocol'></i>")
|
|
elseif(breed == "Fun") then
|
|
return("<i class='fa fa-smile-o' alt='Fun Protocol'></i>")
|
|
elseif(breed == "Unsafe") then
|
|
return("<i class='fa fa-thumbs-o-down'></i>")
|
|
elseif(breed == "Dangerous") then
|
|
return("<i class='fa fa-warning'></i>")
|
|
else
|
|
return("")
|
|
end
|
|
end
|
|
|
|
function getFlag(country)
|
|
if((country == nil) or (country == "")) then
|
|
return("")
|
|
else
|
|
return(" <A HREF='" .. ntop.getHttpPrefix() .. "/lua/hosts_stats.lua?country=".. country .."'><img src='".. ntop.getHttpPrefix() .. "/img/blank.gif' class='flag flag-".. string.lower(country) .."'></A> ")
|
|
end
|
|
end
|
|
|
|
-- GENERIC UTILS
|
|
|
|
-- split
|
|
function split(s, delimiter)
|
|
result = {};
|
|
if(s ~= nil) then
|
|
for match in (s..delimiter):gmatch("(.-)"..delimiter) do
|
|
table.insert(result, match);
|
|
end
|
|
end
|
|
return result;
|
|
end
|
|
|
|
-- startswith
|
|
function startswith(s, char)
|
|
return string.sub(s, 1, string.len(s)) == char
|
|
end
|
|
|
|
-- strsplit
|
|
|
|
function strsplit(s, delimiter)
|
|
result = {};
|
|
for match in (s..delimiter):gmatch("(.-)"..delimiter) do
|
|
if(match ~= "") then result[match] = true end
|
|
end
|
|
return result;
|
|
end
|
|
|
|
-- isempty
|
|
function isempty(array)
|
|
local count = 0
|
|
for _,__ in pairs(array) do
|
|
count = count + 1
|
|
end
|
|
return (count == 0)
|
|
end
|
|
|
|
-- isin
|
|
function isin(s, array)
|
|
if (s == nil or s == "" or array == nil or isempty(array)) then return false end
|
|
for _, v in pairs(array) do
|
|
if (s == v) then return true end
|
|
end
|
|
return false
|
|
end
|
|
|
|
-- hasKey
|
|
function hasKey(key, theTable)
|
|
if((theTable == nil) or (theTable[key] == nil)) then
|
|
return(false)
|
|
else
|
|
return(true)
|
|
end
|
|
end
|
|
function getPasswordInputPattern()
|
|
return [[^[\w\$\\!\/\(\)=\?\^\*@_\-\u0000-\u0019\u0021-\u00ff]{5,}$]]
|
|
end
|
|
|
|
function getIPv4Pattern()
|
|
return "^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])$"
|
|
end
|
|
|
|
function getACLPattern()
|
|
local ipv4 = "(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])"
|
|
local netmask = "(\\/([0-9]|[1-2][0-9]|3[0-2]))"
|
|
local cidr = ipv4..netmask
|
|
local yesorno_cidr = "[\\+\\-]"..cidr
|
|
return "^"..yesorno_cidr.."(,"..yesorno_cidr..")*$"
|
|
end
|
|
|
|
function getMacPattern()
|
|
return "^([0-9a-fA-F][0-9a-fA-F]:){5}[0-9a-fA-F]{2}$"
|
|
end
|
|
|
|
function getURLPattern()
|
|
return "^https?://.+$"
|
|
end
|
|
|
|
-- get_mac_classification
|
|
function get_mac_classification(m, extended_name)
|
|
local short_extended = ntop.getMacManufacturer(m) or {}
|
|
|
|
if extended_name then
|
|
return short_extended.extended or short_extended.short or m
|
|
else
|
|
return short_extended.short or m
|
|
end
|
|
|
|
return m
|
|
end
|
|
|
|
local magic_macs = {
|
|
["FF:FF:FF:FF:FF:FF"] = "Broadcast",
|
|
["01:00:0C:CC:CC:CC"] = "CDP",
|
|
["01:00:0C:CC:CC:CD"] = "CiscoSTP",
|
|
["01:80:C2:00:00:00"] = "STP",
|
|
["01:80:C2:00:00:00"] = "LLDP",
|
|
["01:80:C2:00:00:03"] = "LLDP",
|
|
["01:80:C2:00:00:0E"] = "LLDP",
|
|
["01:80:C2:00:00:08"] = "STP",
|
|
["01:1B:19:00:00:00"] = "PTP",
|
|
["01:80:C2:00:00:0E"] = "PTP"
|
|
}
|
|
|
|
local magic_short_macs = {
|
|
["01:00:5E"] = "IPv4mcast",
|
|
["33:33:"] = "IPv6mcast"
|
|
}
|
|
|
|
function macInfo(mac)
|
|
return(' <A HREF="' .. ntop.getHttpPrefix() .. '/lua/mac_details.lua?host='.. mac ..'">'..mac..'</A> ')
|
|
end
|
|
|
|
-- get_symbolic_mac
|
|
function get_symbolic_mac(mac_address, only_symbolic)
|
|
if(magic_macs[mac_address] ~= nil) then
|
|
return(magic_macs[mac_address])
|
|
else
|
|
local m = string.sub(mac_address, 1, 8)
|
|
local t = string.sub(mac_address, 10, 17)
|
|
|
|
if(magic_short_macs[m] ~= nil) then
|
|
if(only_symbolic == true) then
|
|
return(magic_short_macs[m].."_"..t)
|
|
else
|
|
return(magic_short_macs[m].."_"..t.." ("..macInfo(mac_address)..")")
|
|
end
|
|
else
|
|
local s = get_mac_classification(m)
|
|
|
|
if(m == s) then
|
|
return '<a href="' .. ntop.getHttpPrefix() .. '/lua/mac_details.lua?host='..mac_address..'">' .. get_mac_classification(m) .. ":" .. t .. '</a>'
|
|
else
|
|
if(only_symbolic == true) then
|
|
return(get_mac_classification(m).."_"..t)
|
|
else
|
|
return(get_mac_classification(m).."_"..t.." ("..macInfo(mac_address)..")")
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
function get_manufacturer_mac(mac_address)
|
|
local m = string.sub(mac_address, 1, 8)
|
|
local ret = get_mac_classification(m, true --[[ extended name --]])
|
|
|
|
if(ret == m) then ret = "n/a" end
|
|
|
|
if ret and ret ~= "" then
|
|
ret = ret:gsub("'"," ")
|
|
end
|
|
|
|
return ret or "n/a"
|
|
end
|
|
|
|
-- getservbyport
|
|
function getservbyport(port_num, proto)
|
|
if(proto == nil) then proto = "TCP" end
|
|
|
|
port_num = tonumber(port_num)
|
|
|
|
proto = string.lower(proto)
|
|
|
|
-- io.write(port_num.."@"..proto.."\n")
|
|
return(ntop.getservbyport(port_num, proto))
|
|
end
|
|
|
|
function intToIPv4(num)
|
|
return(math.floor(num / 2^24).. "." ..math.floor((num % 2^24) / 2^16).. "." ..math.floor((num % 2^16) / 2^8).. "." ..num % 2^8)
|
|
end
|
|
|
|
function getFlowMaxRate(cli_max_rate, srv_max_rate)
|
|
cli_max_rate = tonumber(cli_max_rate)
|
|
srv_max_rate = tonumber(srv_max_rate)
|
|
|
|
if((cli_max_rate == 0) or (srv_max_rate == 0)) then
|
|
max_rate = 0
|
|
elseif((cli_max_rate == -1) and (srv_max_rate > 0)) then
|
|
max_rate = srv_max_rate
|
|
elseif((cli_max_rate > 0) and (srv_max_rate == -1)) then
|
|
max_rate = cli_max_rate
|
|
else
|
|
max_rate = math.min(cli_max_rate, srv_max_rate)
|
|
end
|
|
|
|
return(max_rate)
|
|
end
|
|
|
|
-- ###############################################
|
|
|
|
function trimSpace(what)
|
|
if(what == nil) then return("") end
|
|
return(string.gsub(string.gsub(what, "%s+", ""), "+%s", ""))
|
|
end
|
|
|
|
-- ###############################################
|
|
|
|
-- TODO: improve this function
|
|
function jsonencode(what)
|
|
what = string.gsub(what, '"', "'")
|
|
-- everything but all ASCII characters from the space to the tilde
|
|
what = string.gsub(what, "[^ -~]", " ")
|
|
-- cleanup line feeds and carriage returns
|
|
what = string.gsub(what, "\n", " ")
|
|
what = string.gsub(what, "\r", " ")
|
|
-- escape all the remaining backslashes
|
|
what = string.gsub(what, "\\", "\\\\")
|
|
-- max 1 sequential whitespace
|
|
what = string.gsub(what, " +"," ")
|
|
return(what)
|
|
end
|
|
|
|
-- ###############################################
|
|
|
|
function formatWebSite(site)
|
|
return("<A target=\"_blank\" HREF=\"http://"..site.."\">"..site.."</A> <i class=\"fa fa-external-link\"></i></th>")
|
|
end
|
|
|
|
-- Update Utils::flowstatus2str
|
|
function getFlowStatus(status)
|
|
if(status == 0) then return("<font color=green>"..i18n("flow_details.normal").."</font>")
|
|
elseif(status == 1) then return("<font color=orange>"..i18n("flow_details.slow_tcp_connection").."</font>")
|
|
elseif(status == 2) then return("<font color=orange>"..i18n("flow_details.slow_application_header").."</font>")
|
|
elseif(status == 3) then return("<font color=orange>"..i18n("flow_details.slow_data_exchange").."</font>")
|
|
elseif(status == 4) then return("<font color=orange>"..i18n("flow_details.low_goodput").."</font>")
|
|
elseif(status == 5) then return("<font color=orange>"..i18n("flow_details.suspicious_tcp_syn_probing").."</font>")
|
|
elseif(status == 6) then return("<font color=orange>"..i18n("flow_details.tcp_connection_issues").."</font>")
|
|
elseif(status == 7) then return("<font color=orange>"..i18n("flow_details.suspicious_tcp_probing").."</font>")
|
|
elseif(status == 8) then return("<font color=orange>"..i18n("flow_details.flow_emitted").."</font>")
|
|
elseif(status == 9) then return("<font color=orange>"..i18n("flow_details.tcp_connection_refused").."</font>")
|
|
elseif(status == 10) then return("<font color=orange>"..i18n("flow_details.ssl_certificate_mismatch").."</font>")
|
|
elseif(status == 11) then return("<font color=orange>"..i18n("flow_details.dns_invalid_query").."</font>")
|
|
elseif(status == 12) then return("<font color=orange>"..i18n("flow_details.remote_to_remote").."</font>")
|
|
elseif(status == 13) then return("<font color=orange>"..i18n("flow_details.blacklisted_flow").."</font>")
|
|
elseif(status == 14) then return(""..i18n("flow_details.flow_blocked_by_bridge").."")
|
|
elseif(status == 15) then return(""..i18n("flow_details.web_mining_detected").."")
|
|
else return("<font color=orange>"..i18n("flow_details.unknown_status",{status=status}).."</font>")
|
|
end
|
|
end
|
|
|
|
-- prints purged information for hosts / flows
|
|
function purgedErrorString()
|
|
local info = ntop.getInfo(false)
|
|
return i18n("purged_error_message",{url=ntop.getHttpPrefix()..'/lua/admin/prefs.lua?tab=in_memory', product=info["product"]})
|
|
end
|
|
|
|
-- print TCP flags
|
|
function printTCPFlags(flags)
|
|
if(hasbit(flags,0x01)) then print('<span class="label label-info">FIN</span> ') end
|
|
if(hasbit(flags,0x02)) then print('<span class="label label-info">SYN</span> ') end
|
|
if(hasbit(flags,0x04)) then print('<span class="label label-danger">RST</span> ') end
|
|
if(hasbit(flags,0x08)) then print('<span class="label label-info">PUSH</span> ') end
|
|
if(hasbit(flags,0x10)) then print('<span class="label label-info">ACK</span> ') end
|
|
if(hasbit(flags,0x20)) then print('<span class="label label-info">URG</span> ') end
|
|
end
|
|
|
|
-- convert the integer carrying TCP flags in a more convenient lua table
|
|
function TCPFlags2table(flags)
|
|
local res = {["FIN"] = 0, ["SYN"] = 0, ["RST"] = 0, ["PSH"] = 0, ["ACK"] = 0, ["URG"] = 0}
|
|
if(hasbit(flags,0x01)) then res["FIN"] = 1 end
|
|
if(hasbit(flags,0x02)) then res["SYN"] = 1 end
|
|
if(hasbit(flags,0x04)) then res["RST"] = 1 end
|
|
if(hasbit(flags,0x08)) then res["PSH"] = 1 end
|
|
if(hasbit(flags,0x10)) then res["ACK"] = 1 end
|
|
if(hasbit(flags,0x20)) then res["URG"] = 1 end
|
|
return res
|
|
end
|
|
|
|
-- ##########################################
|
|
|
|
function historicalProtoHostHref(ifId, host, l4_proto, ndpi_proto_id, info)
|
|
if ntop.isPro() and ntop.getPrefs().is_dump_flows_to_mysql_enabled == true then
|
|
local hist_url = ntop.getHttpPrefix().."/lua/pro/db_explorer.lua?search=true&ifid="..ifId
|
|
local now = os.time()
|
|
local ago1h = now - 3600
|
|
|
|
hist_url = hist_url.."&epoch_end="..tostring(now)
|
|
if((host ~= nil) and (host ~= "")) then hist_url = hist_url.."&"..hostinfo2url(host) end
|
|
if((l4_proto ~= nil) and (l4_proto ~= "")) then
|
|
hist_url = hist_url.."&l4proto="..l4_proto
|
|
end
|
|
if((ndpi_proto_id ~= nil) and (ndpi_proto_id ~= "")) then hist_url = hist_url.."&protocol="..ndpi_proto_id end
|
|
if((info ~= nil) and (info ~= "")) then hist_url = hist_url.."&info="..info end
|
|
print(' ')
|
|
-- print('<span class="label label-info">')
|
|
print('<a href="'..hist_url..'&epoch_begin='..tostring(ago1h)..'" title="Flows seen in the last hour"><i class="fa fa-history fa-lg"></i></a>')
|
|
-- print('</span>')
|
|
end
|
|
end
|
|
|
|
-- ##########################################
|
|
|
|
_icmp_types = {
|
|
{ 0, 0, i18n("icmp_v4_types.type_0_0_echo_reply") },
|
|
{ 3, 0, i18n("icmp_v4_types.type_3_0_network_unreachable") },
|
|
{ 3, 1, i18n("icmp_v4_types.type_3_1_host_unreachable") },
|
|
{ 3, 2, i18n("icmp_v4_types.type_3_2_protocol_unreachable") },
|
|
{ 3, 3, i18n("icmp_v4_types.type_3_3_port_unreachable") },
|
|
{ 3, 4, i18n("icmp_v4_types.type_3_4_fragmentation_needed_but_no_fragment_bit_set") },
|
|
{ 3, 5, i18n("icmp_v4_types.type_3_5_source_routing_failed") },
|
|
{ 3, 6, i18n("icmp_v4_types.type_3_6_destination_network_unknown") },
|
|
{ 3, 7, i18n("icmp_v4_types.type_3_7_destination_host_unknown") },
|
|
{ 3, 8, i18n("icmp_v4_types.type_3_8_source_host_isolated") },
|
|
{ 3, 9, i18n("icmp_v4_types.type_3_9_destination_network_administratively_prohibited") },
|
|
{ 3, 10, i18n("icmp_v4_types.type_3_10_destination_host_administratively_prohibited") },
|
|
{ 3, 11, i18n("icmp_v4_types.type_3_11_network_unreachable_for_tos") },
|
|
{ 3, 12, i18n("icmp_v4_types.type_3_12_host_unreachable_for_tos") },
|
|
{ 3, 13, i18n("icmp_v4_types.type_3_13_communication_administratively_prohibited_by_filtering") },
|
|
{ 3, 14, i18n("icmp_v4_types.type_3_14_host_precedence_violation") },
|
|
{ 3, 15, i18n("icmp_v4_types.type_3_15_precedence_cutoff_in_effect") },
|
|
{ 4, 0, i18n("icmp_v4_types.type_4_0_source_quench") },
|
|
{ 5, 0, i18n("icmp_v4_types.type_5_0_redirect_for_network") },
|
|
{ 5, 1, i18n("icmp_v4_types.type_5_1_redirect_for_host") },
|
|
{ 5, 2, i18n("icmp_v4_types.type_5_2_redirect_for_tos_and_network") },
|
|
{ 5, 3, i18n("icmp_v4_types.type_5_3_redirect_for_tos_and_host") },
|
|
{ 8, 0, i18n("icmp_v4_types.type_8_0_echo_request_x") },
|
|
{ 9, 0, i18n("icmp_v4_types.type_9_0_router_advertisement") },
|
|
{ 10, 0, i18n("icmp_v4_types.type_10_0_route_solicitation") },
|
|
{ 11, 0, i18n("icmp_v4_types.type_11_0_ttl_equals_0_during_transit") },
|
|
{ 11, 1, i18n("icmp_v4_types.type_11_1_ttl_equals_0_during_reassembly") },
|
|
{ 12, 0, i18n("icmp_v4_types.type_12_0_ip_header_bad") },
|
|
{ 12, 1, i18n("icmp_v4_types.type_12_1_required_options_missing") },
|
|
{ 13, 0, i18n("icmp_v4_types.type_13_0_timestamp_request") },
|
|
{ 14, 0, i18n("icmp_v4_types.type_14_0_timestamp_reply") },
|
|
{ 15, 0, i18n("icmp_v4_types.type_15_0_information_request") },
|
|
{ 16, 0, i18n("icmp_v4_types.type_16_0_information_reply") },
|
|
{ 17, 0, i18n("icmp_v4_types.type_17_0_address_mask_request") },
|
|
{ 18, 0, i18n("icmp_v4_types.type_18_0_address_mask_reply") }
|
|
}
|
|
|
|
-- Code is currently ignored on IVMPv6
|
|
_icmpv6_types = {
|
|
{ 0, i18n("icmp_v6_types.type_0_reserved") },
|
|
{ 1, i18n("icmp_v6_types.type_1_destination_unreachable") },
|
|
{ 2, i18n("icmp_v6_types.type_2_packet_too_big") },
|
|
{ 3, i18n("icmp_v6_types.type_3_time_exceeded") },
|
|
{ 4, i18n("icmp_v6_types.type_4_parameter_problem") },
|
|
{ 100, i18n("icmp_v6_types.type_100_private_experimentation") },
|
|
{ 101, i18n("icmp_v6_types.type_101_private_experimentation") },
|
|
--{ 102-126, i18n("icmp_v6_types.type_102-126_unassigned") },
|
|
{ 127, i18n("icmp_v6_types.type_127_reserved_for_expansion_of_icmpv6_error_messages") },
|
|
{ 128, i18n("icmp_v6_types.type_128_echo_request") },
|
|
{ 129, i18n("icmp_v6_types.type_129_echo_reply") },
|
|
{ 130, i18n("icmp_v6_types.type_130_multicast_listener_query") },
|
|
{ 131, i18n("icmp_v6_types.type_131_multicast_listener_report") },
|
|
{ 132, i18n("icmp_v6_types.type_132_multicast_listener_done") },
|
|
{ 133, i18n("icmp_v6_types.type_133_router_solicitation") },
|
|
{ 134, i18n("icmp_v6_types.type_134_router_advertisement") },
|
|
{ 135, i18n("icmp_v6_types.type_135_neighbor_solicitation") },
|
|
{ 136, i18n("icmp_v6_types.type_136_neighbor_advertisement") },
|
|
{ 137, i18n("icmp_v6_types.type_137_redirect_message") },
|
|
{ 138, i18n("icmp_v6_types.type_138_router_renumbering") },
|
|
{ 139, i18n("icmp_v6_types.type_139_icmp_node_information_query") },
|
|
{ 140, i18n("icmp_v6_types.type_140_icmp_node_information_response") },
|
|
{ 141, i18n("icmp_v6_types.type_141_inverse_neighbor_discovery_solicitation_message") },
|
|
{ 142, i18n("icmp_v6_types.type_142_inverse_neighbor_discovery_advertisement_message") },
|
|
{ 143, i18n("icmp_v6_types.type_143_version_2_multicast_listener_report") },
|
|
{ 144, i18n("icmp_v6_types.type_144_home_agent_address_discovery_request_message") },
|
|
{ 145, i18n("icmp_v6_types.type_145_home_agent_address_discovery_reply_message") },
|
|
{ 146, i18n("icmp_v6_types.type_146_mobile_prefix_solicitation") },
|
|
{ 147, i18n("icmp_v6_types.type_147_mobile_prefix_advertisement") },
|
|
{ 148, i18n("icmp_v6_types.type_148_certification_path_solicitation_message") },
|
|
{ 149, i18n("icmp_v6_types.type_149_certification_path_advertisement_message") },
|
|
{ 150, i18n("icmp_v6_types.type_150_icmp_messages_utilized_by_experimental_mobility_protocols") },
|
|
{ 151, i18n("icmp_v6_types.type_151_multicast_router_advertisement") },
|
|
{ 152, i18n("icmp_v6_types.type_152_multicast_router_solicitation") },
|
|
{ 153, i18n("icmp_v6_types.type_153_multicast_router_termination") },
|
|
{ 154, i18n("icmp_v6_types.type_154_fmipv6_messages") },
|
|
{ 155, i18n("icmp_v6_types.type_155_rpl_control_message") },
|
|
{ 156, i18n("icmp_v6_types.type_156_ilnpv6_locator_update_message") },
|
|
{ 157, i18n("icmp_v6_types.type_157_duplicate_address_request") },
|
|
{ 158, i18n("icmp_v6_types.type_158_duplicate_address_confirmation") },
|
|
{ 159, i18n("icmp_v6_types.type_159_mpl_control_message") },
|
|
--{ 160-199, i18n("icmp_v6_types.type_160-199_unassigned") },
|
|
{ 200, i18n("icmp_v6_types.type_200_private_experimentation") },
|
|
{ 201, i18n("icmp_v6_types.type_201_private_experimentation") },
|
|
{ 255, i18n("icmp_v6_types.type_255_reserved_for_expansion_of_icmpv6_informational_messages") }
|
|
}
|
|
|
|
-- #############################################
|
|
|
|
function getICMPV6TypeCode(icmp)
|
|
local t = icmp.type
|
|
local c = icmp.code
|
|
|
|
for _, _e in ipairs(_icmpv6_types) do
|
|
if(_e[1] == t) then
|
|
return(_e[2])
|
|
end
|
|
end
|
|
|
|
return(t.."/"..c)
|
|
end
|
|
|
|
-- #############################################
|
|
|
|
function getICMPTypeCode(icmp)
|
|
local t = icmp.type
|
|
local c = icmp.code
|
|
|
|
for _, _e in ipairs(_icmp_types) do
|
|
if((_e[1] == t) and (_e[2] == c)) then
|
|
return(_e[3])
|
|
end
|
|
end
|
|
|
|
return(getICMPV6TypeCode(icmp))
|
|
end
|
|
|
|
-- #############################################
|
|
|
|
-- Add here the icons you guess based on the Mac address
|
|
-- TODO move to discovery stuff
|
|
local guess_icon_keys = {
|
|
["dell inc."] = "fa-desktop",
|
|
["vmware, inc."] = "fa-desktop",
|
|
["xensource, inc."] = "fa-desktop",
|
|
["lanner electronics, inc."] = "fa-desktop",
|
|
["nexcom international co., ltd."] = "fa-desktop",
|
|
["apple, inc."] = "fa-apple",
|
|
["cisco systems, inc"] = "fa-arrows",
|
|
["juniper networks"] = "fa-arrows",
|
|
["brocade communications systems, inc."] = "fa-arrows",
|
|
["force10 networks, inc."] = "fa-arrows",
|
|
["huawei technologies co.,ltd"] = "fa-arrows",
|
|
["alcatel-lucent ipd"] = "fa-arrows",
|
|
["arista networks, inc."] = "fa-arrows",
|
|
["3com corporation"] = "fa-arrows",
|
|
["routerboard.com"] = "fa-arrows",
|
|
["extreme networks"] = "fa-arrows",
|
|
["xerox corporation"] = "fa-print"
|
|
}
|
|
|
|
function guessHostIcon(key)
|
|
local m = string.lower(get_manufacturer_mac(key))
|
|
local icon = guess_icon_keys[m]
|
|
|
|
if((icon ~= nil) and (icon ~= "")) then
|
|
return(" <i class='fa "..icon.." fa-lg'></i>")
|
|
else
|
|
return ""
|
|
end
|
|
end
|
|
|
|
-- ####################################################
|
|
|
|
-- Functions to set/get a device type of user choice
|
|
|
|
local function getCustomDeviceKey(mac)
|
|
return "ntopng.prefs.device_types." .. string.upper(mac)
|
|
end
|
|
|
|
function getCustomDeviceType(mac)
|
|
return tonumber(ntop.getPref(getCustomDeviceKey(mac)))
|
|
end
|
|
|
|
function setCustomDeviceType(mac, device_type)
|
|
ntop.setPref(getCustomDeviceKey(mac), tostring(device_type))
|
|
end
|
|
|
|
-- ####################################################
|
|
|
|
function tableToJsObject(lua_table)
|
|
local json = require("dkjson")
|
|
return json.encode(lua_table, nil)
|
|
end
|
|
|
|
-- ####################################################
|
|
|
|
function makeTimeStamp(d, tzoffset)
|
|
-- tzoffset is the timezone difference between UTC and Local Time in the browser
|
|
local pattern = "(%d+)%/(%d+)%/(%d+) (%d+):(%d+):(%d+)"
|
|
local day,month, year, hour, minute, seconds = string.match(d, pattern);
|
|
|
|
local timestamp = os.time({year=year, month=month, day=day, hour=hour, min=minute, sec=seconds});
|
|
|
|
-- tprint("pre-timestamp is:"..timestamp)
|
|
if tzoffset then
|
|
-- from browser local time to UTC
|
|
timestamp = timestamp - (tzoffset or 0)
|
|
|
|
-- from UTC to machine local time
|
|
local now = os.time()
|
|
local local_t = os.date("*t", now)
|
|
local utc_t = os.date("!*t", now)
|
|
local delta = (local_t.hour - utc_t.hour)*60 + (local_t.min - utc_t.min)
|
|
delta = delta * 60 -- to seconds
|
|
|
|
timestamp = timestamp + (delta or 0)
|
|
-- tprint("delta: "..delta.." tzoffset is: "..tzoffset)
|
|
-- tprint("post-timestamp is:"..timestamp)
|
|
end
|
|
|
|
return timestamp.."";
|
|
end
|
|
|
|
-- ###########################################
|
|
|
|
-- IMPORTANT: keep it in sync with sortField (ntop_typedefs.h)
|
|
-- AND host_search_walker:NetworkInterface.cpp
|
|
-- AND NetworkInterface::getFlows()
|
|
looking_glass_criteria = {
|
|
-- KEY LABEL Host::lua()-label formatting
|
|
{ "uploaders", i18n("uploaders"), "upload", bytesToSize },
|
|
{ "downloaders", i18n("downloaders"), "download", bytesToSize },
|
|
{ "unknowers", i18n("unknowers"), "unknown", bytesToSize },
|
|
{ "incomingflows", i18n("incomingflows"), "incomingflows", format_utils.formatValue },
|
|
{ "outgoingflows", i18n("outgoingflows"), "outgoingflows", format_utils.formatValue },
|
|
}
|
|
|
|
function criteria2label(criteria)
|
|
local id
|
|
|
|
for id, _ in ipairs(looking_glass_criteria) do
|
|
local key = looking_glass_criteria[id][1]
|
|
local label = looking_glass_criteria[id][2]
|
|
local fnctn = looking_glass_criteria[id][4]
|
|
|
|
if(key == criteria) then
|
|
return label, fnctn
|
|
end
|
|
end
|
|
|
|
return criteria, format_utils.formatValue
|
|
end
|
|
|
|
function label2criteriakey(what)
|
|
local id
|
|
|
|
for id, _ in ipairs(looking_glass_criteria) do
|
|
local c = looking_glass_criteria[id][1]
|
|
local key = looking_glass_criteria[id][3]
|
|
local fnctn = looking_glass_criteria[id][4]
|
|
|
|
if(what == c) then
|
|
return key, fnctn
|
|
end
|
|
end
|
|
|
|
return what, format_utils.formatValue
|
|
end
|
|
|
|
function table.merge(a, b)
|
|
local merged = {}
|
|
|
|
for _, t in ipairs({a, b}) do
|
|
for k,v in pairs(t) do
|
|
merged[k] = v
|
|
end
|
|
end
|
|
|
|
return merged
|
|
end
|
|
|
|
function table.clone(orig)
|
|
local orig_type = type(orig)
|
|
local copy
|
|
|
|
if orig_type == 'table' then
|
|
copy = {}
|
|
for orig_key, orig_value in next, orig, nil do
|
|
copy[table.clone(orig_key)] = table.clone(orig_value)
|
|
end
|
|
setmetatable(copy, table.clone(getmetatable(orig)))
|
|
else -- number, string, boolean, etc
|
|
copy = orig
|
|
end
|
|
|
|
return copy
|
|
end
|
|
|
|
-- From http://lua-users.org/lists/lua-l/2014-09/msg00421.html
|
|
-- Returns true if tables are equal
|
|
function table.compare(t1, t2, ignore_mt)
|
|
local ty1 = type(t1)
|
|
local ty2 = type(t2)
|
|
|
|
if ty1 ~= ty2 then return false end
|
|
if ty1 ~= 'table' and ty2 ~= 'table' then return t1 == t2 end
|
|
local mt = getmetatable(t1)
|
|
if not ignore_mt and mt and mt.__eq then return t1 == t2 end
|
|
|
|
for k1,v1 in pairs(t1) do
|
|
local v2 = t2[k1]
|
|
if v2 == nil or not table.compare(v1, v2) then return false end
|
|
end
|
|
|
|
for k2,v2 in pairs(t2) do
|
|
local v1 = t1[k2]
|
|
if v1 == nil or not table.compare(v1, v2) then return false end
|
|
end
|
|
|
|
return true
|
|
end
|
|
|
|
function toboolean(s)
|
|
if s == "true" then
|
|
return true
|
|
elseif s == "false" then
|
|
return false
|
|
else
|
|
return nil
|
|
end
|
|
end
|
|
|
|
--
|
|
-- Find the highest divisor which divides input value.
|
|
-- val_idx can be used to index divisors values.
|
|
-- Returns the highest_idx
|
|
--
|
|
function highestDivisor(divisors, value, val_idx, iterator_fn)
|
|
local highest_idx = nil
|
|
local highest_val = nil
|
|
iterator_fn = iterator_fn or ipairs
|
|
|
|
for i, v in iterator_fn(divisors) do
|
|
local cmp_v
|
|
if val_idx ~= nil then
|
|
v = v[val_idx]
|
|
end
|
|
|
|
if((highest_val == nil) or ((v > highest_val) and (value % v == 0))) then
|
|
highest_val = v
|
|
highest_idx = i
|
|
end
|
|
end
|
|
|
|
return highest_idx
|
|
end
|
|
|
|
-- ###########################################
|
|
|
|
-- Note: the base unit is Kbit/s here
|
|
FMT_TO_DATA_RATES_KBPS = {
|
|
["k"] = {label="kbit/s", value=1},
|
|
["m"] = {label="Mbit/s", value=1000},
|
|
["g"] = {label="Gbit/s", value=1000*1000},
|
|
}
|
|
|
|
FMT_TO_DATA_BYTES = {
|
|
["b"] = {label="B", value=1},
|
|
["k"] = {label="KB", value=1024},
|
|
["m"] = {label="MB", value=1024*1024},
|
|
["g"] = {label="GB", value=1024*1024*1024},
|
|
}
|
|
|
|
FMT_TO_DATA_TIME = {
|
|
["s"] = {label=i18n("metrics.secs"), value=1},
|
|
["m"] = {label=i18n("metrics.mins"), value=60},
|
|
["h"] = {label=i18n("metrics.hours"), value=3600},
|
|
["d"] = {label=i18n("metrics.days"), value=3600*24},
|
|
}
|
|
|
|
-- ###########################################
|
|
|
|
-- Note: use data-min and data-max to setup ranges
|
|
function makeResolutionButtons(fmt_to_data, ctrl_id, fmt, value, extra)
|
|
local extra = extra or {}
|
|
local html_lines = {}
|
|
|
|
local divisors = {}
|
|
|
|
-- fill in divisors
|
|
if tonumber(value) ~= nil then
|
|
-- foreach character in format
|
|
string.gsub(fmt, ".", function(k)
|
|
local v = fmt_to_data[k]
|
|
if v ~= nil then
|
|
divisors[#divisors + 1] = {k=k, v=v.value}
|
|
end
|
|
end)
|
|
end
|
|
|
|
local selected = nil
|
|
if tonumber(value) ~= 0 then
|
|
selected = highestDivisor(divisors, value, "v")
|
|
end
|
|
|
|
if selected ~= nil then
|
|
selected = divisors[selected].k
|
|
else
|
|
selected = string.sub(fmt, 1, 1)
|
|
end
|
|
|
|
local style = table.merge({display="flex"}, extra.style or {})
|
|
html_lines[#html_lines+1] = [[<div class="btn-group ]] .. table.concat(extra.classes or {}, "") .. [[" id="]] .. ctrl_id .. [[" data-toggle="buttons" style="]] .. table.tconcat(style, ":", "; ", ";") .. [[">]]
|
|
|
|
-- foreach character in format
|
|
string.gsub(fmt, ".", function(k)
|
|
local v = fmt_to_data[k]
|
|
if v ~= nil then
|
|
local line = {}
|
|
line[#line+1] = [[<label class="btn]]
|
|
if selected == k then
|
|
line[#line+1] = [[ btn-primary active]]
|
|
else
|
|
line[#line+1] = [[ btn-default]]
|
|
end
|
|
line[#line+1] = [[ btn-sm"><input data-resol="]] .. k .. [[" value="]] .. v.value .. [[" title="]] .. v.label .. [[" name="opt_resbt_]] .. k .. [[_]] .. ctrl_id .. [[" autocomplete="off" type="radio"]]
|
|
if selected == k then line[#line+1] = [[ checked="checked"]] end
|
|
line[#line+1] = [[/>]] .. v.label .. [[</label>]]
|
|
|
|
html_lines[#html_lines+1] = table.concat(line, "")
|
|
end
|
|
end)
|
|
|
|
html_lines[#html_lines+1] = [[</div>]]
|
|
|
|
-- Note: no // comment below, only /* */
|
|
|
|
local js_init_code = [[
|
|
var _resol_inputs = [];
|
|
|
|
function resol_selector_get_input(a_button) {
|
|
return $("input", $(a_button).closest(".form-group")).last();
|
|
}
|
|
|
|
function resol_selector_get_buttons(an_input) {
|
|
return $(".btn-group", $(an_input).closest(".form-group")).first().find("input");
|
|
}
|
|
|
|
/* This function scales values wrt selected resolution */
|
|
function resol_selector_reset_input_range(selected) {
|
|
var selected = $(selected);
|
|
var input = resol_selector_get_input(selected);
|
|
|
|
var raw = parseInt(input.attr("data-min"));
|
|
if (! isNaN(raw))
|
|
input.attr("min", Math.sign(raw) * Math.ceil(Math.abs(raw) / selected.val()));
|
|
|
|
raw = parseInt(input.attr("data-max"));
|
|
if (! isNaN(raw))
|
|
input.attr("max", Math.sign(raw) * Math.ceil(Math.abs(raw) / selected.val()));
|
|
|
|
var step = parseInt(input.attr("data-step-" + selected.attr("data-resol")));
|
|
if (! isNaN(step)) {
|
|
input.attr("step", step);
|
|
|
|
/* Align value */
|
|
input.val(input.val() - input.val() % step);
|
|
} else
|
|
input.attr("step", "");
|
|
|
|
resol_recheck_input_range(input);
|
|
}
|
|
|
|
function resol_selector_change_selection(selected) {
|
|
selected.attr('checked', 'checked')
|
|
.closest("label").removeClass('btn-default').addClass('btn-primary')
|
|
.siblings().removeClass('active').removeClass('btn-primary').addClass('btn-default').find("input").removeAttr('checked');
|
|
|
|
resol_selector_reset_input_range(selected);
|
|
}
|
|
|
|
function resol_recheck_input_range(input) {
|
|
var value = input.val();
|
|
|
|
if (input[0].hasAttribute("min"))
|
|
value = Math.max(value, input.attr("min"));
|
|
if (input[0].hasAttribute("max"))
|
|
value = Math.min(value, input.attr("max"));
|
|
|
|
var old_val = input.val();
|
|
if ((old_val != "") && (old_val != value))
|
|
input.val(value);
|
|
}
|
|
|
|
function resol_selector_change_callback(event) {
|
|
resol_selector_change_selection($(this));
|
|
}
|
|
|
|
function resol_selector_on_form_submit(event) {
|
|
var form = $(this);
|
|
|
|
if (event.isDefaultPrevented() || (form.find(".has-error").length > 0))
|
|
return false;
|
|
|
|
resol_selector_finalize(form);
|
|
return true;
|
|
}
|
|
|
|
/* Helper function to set a selector value by raw value */
|
|
function resol_selector_set_value(input_id, its_value) {
|
|
var input = $(input_id);
|
|
var buttons = resol_selector_get_buttons($(input_id));
|
|
var values = [];
|
|
|
|
buttons.each(function() {
|
|
values.push(parseInt($(this).val()));
|
|
});
|
|
|
|
var new_value;
|
|
var new_i;
|
|
if (its_value > 0) {
|
|
/* highest divisor */
|
|
var highest_i = 0;
|
|
for (var i=1; i<values.length; i++) {
|
|
if(((values[i] > values[highest_i]) && (its_value % values[i] == 0)))
|
|
highest_i = i;
|
|
}
|
|
|
|
new_value = its_value / values[highest_i];
|
|
new_i = highest_i;
|
|
} else {
|
|
/* smallest value */
|
|
new_value = Math.max(its_value, -1);
|
|
new_i = values.indexOf(Math.min.apply(Math, values));
|
|
}
|
|
|
|
/* Set */
|
|
input.val(new_value);
|
|
resol_selector_change_selection($(buttons[new_i]));
|
|
|
|
/* This must be set manually on initialization */
|
|
$(buttons[new_i]).closest("label").addClass("active");
|
|
}
|
|
|
|
function resol_selector_get_raw(input) {
|
|
var buttons = resol_selector_get_buttons(input);
|
|
var selected = buttons.filter(":checked");
|
|
|
|
return parseInt(selected.val()) * parseInt(input.val());
|
|
}
|
|
|
|
function resol_selector_finalize(form) {
|
|
$.each(_resol_inputs, function(i, elem) {
|
|
/* Skip elements which are not part of the form */
|
|
if (! $(elem).closest("form").is(form))
|
|
return;
|
|
|
|
var selected = $(elem).find("input[checked]");
|
|
var input = resol_selector_get_input(selected);
|
|
resol_recheck_input_range(input);
|
|
|
|
/* transform in raw units */
|
|
var new_input = $("<input type=\"hidden\"/>");
|
|
new_input.attr("name", input.attr("name"));
|
|
input.removeAttr("name");
|
|
new_input.val(resol_selector_get_raw(input));
|
|
new_input.appendTo(form);
|
|
});
|
|
|
|
/* remove added input names */
|
|
$("input[name^=opt_resbt_]", form).removeAttr("name");
|
|
}]]
|
|
|
|
local js_specific_code = [[
|
|
$("#]] .. ctrl_id .. [[ input").change(resol_selector_change_callback);
|
|
$(function() {
|
|
var elemid = "#]] .. ctrl_id .. [[";
|
|
_resol_inputs.push(elemid);
|
|
var selected = $(elemid + " input[checked]");
|
|
resol_selector_reset_input_range(selected);
|
|
|
|
/* setup the form submit callback (only once) */
|
|
var form = selected.closest("form");
|
|
if (! form.attr("data-options-handler")) {
|
|
form.attr("data-options-handler", 1);
|
|
form.submit(resol_selector_on_form_submit);
|
|
}
|
|
});
|
|
]]
|
|
|
|
-- join strings and strip newlines
|
|
local html = string.gsub(table.concat(html_lines, ""), "\n", "")
|
|
js_init_code = string.gsub(js_init_code, "\n", "")
|
|
js_specific_code = string.gsub(js_specific_code, "\n", "")
|
|
|
|
if tonumber(value) ~= nil then
|
|
-- returns the new value with selected resolution
|
|
return {html=html, init=js_init_code, js=js_specific_code, value=tonumber(value) / fmt_to_data[selected].value}
|
|
else
|
|
return {html=html, init=js_init_code, js=js_specific_code, value=nil}
|
|
end
|
|
end
|
|
|
|
-- ###########################################
|
|
|
|
--
|
|
-- Extracts parameters from a lua table.
|
|
-- This function performs the inverse conversion of javascript paramsPairsEncode.
|
|
--
|
|
-- Note: plain parameters (not encoded with paramsPairsEncode) remain unchanged only
|
|
-- when strict mode is *not* enabled
|
|
--
|
|
function paramsPairsDecode(params, strict_mode)
|
|
local res = {}
|
|
|
|
for k,v in pairs(params) do
|
|
local sp = split(k, "key_")
|
|
if #sp == 2 then
|
|
local keyid = sp[2]
|
|
local value = "val_"..keyid
|
|
if params[value] then
|
|
res[v] = params[value]
|
|
end
|
|
end
|
|
|
|
if((not strict_mode) and (res[v] == nil)) then
|
|
-- this is a plain parameter
|
|
res[k] = v
|
|
end
|
|
end
|
|
|
|
return res
|
|
end
|
|
|
|
function isBridgeInterface(ifstats)
|
|
return ifstats.inline
|
|
end
|
|
|
|
function hasBridgeInterfaces(skip_netfilter)
|
|
local curif = ifname
|
|
local ifnames = interface.getIfNames()
|
|
local found = false
|
|
|
|
for _,ifname in pairs(ifnames) do
|
|
interface.select(ifname)
|
|
|
|
local ifstats = interface.getStats()
|
|
if isBridgeInterface(ifstats)
|
|
and (skip_netfilter~=true or ifstats.type ~= "netfilter") then
|
|
found = true
|
|
break
|
|
end
|
|
end
|
|
|
|
interface.select(curif)
|
|
return found
|
|
end
|
|
|
|
-- Returns true if the captive portal can be started with the current configuration
|
|
function isCaptivePortalSupported(ifstats, prefs, skip_interface_check)
|
|
if not ntop.isEnterprise() and not ntop.isnEdge() then
|
|
return false
|
|
end
|
|
|
|
local is_bridge_iface
|
|
|
|
if not skip_interface_check then
|
|
local ifstats = ifstats or interface.getStats()
|
|
is_bridge_iface = isBridgeInterface(ifstats)
|
|
else
|
|
is_bridge_iface = true
|
|
end
|
|
|
|
local prefs = prefs or ntop.getPrefs()
|
|
return is_bridge_iface and (prefs["http.port"] ~= 80)
|
|
end
|
|
|
|
-- Returns true if the captive portal is active right now
|
|
function isCaptivePortalActive(ifstats, prefs)
|
|
if not ntop.isEnterprise() then
|
|
return false
|
|
end
|
|
|
|
local ifstats = ifstats or interface.getStats()
|
|
local prefs = prefs or ntop.getPrefs()
|
|
local is_bridge_iface = isBridgeInterface(ifstats)
|
|
|
|
return is_bridge_iface and prefs["is_captive_portal_enabled"] and isCaptivePortalSupported(ifstats, prefs)
|
|
end
|
|
|
|
function getCaptivePortalUsers()
|
|
local keys = ntop.getKeysCache("ntopng.user.*.host_pool_id")
|
|
local users = {}
|
|
|
|
for key in pairs(keys or {}) do
|
|
local host_pool = ntop.getCache(key)
|
|
|
|
if not isEmptyString(host_pool) then
|
|
local username = split(key, "%.")[3]
|
|
users[username] = host_pool
|
|
end
|
|
end
|
|
|
|
return users
|
|
end
|
|
|
|
function getBridgeInitializedKey(ifid)
|
|
return "ntopng.prefs.iface_"..ifid..".bridge_initialized"
|
|
end
|
|
|
|
function hasSnmpDevices(ifid)
|
|
if (not ntop.isEnterprise()) or (not isAdministrator()) then
|
|
return false
|
|
end
|
|
|
|
return has_snmp_devices(ifid)
|
|
end
|
|
|
|
function getTopFlowPeers(hostname_vlan, max_hits, detailed, other_options)
|
|
local detailed = detailed or false
|
|
|
|
local paginator_options = {
|
|
sortColumn = "column_bytes",
|
|
a2zSortOrder = false,
|
|
detailedResults = detailed,
|
|
maxHits = max_hits,
|
|
}
|
|
|
|
if other_options ~= nil then
|
|
paginator_options = table.merge(paginator_options, other_options)
|
|
end
|
|
|
|
local res = interface.getFlowsInfo(hostname_vlan, paginator_options)
|
|
if ((res ~= nil) and (res.flows ~= nil)) then
|
|
return res.flows
|
|
else
|
|
return {}
|
|
end
|
|
end
|
|
|
|
function stripVlan(name)
|
|
local key = string.split(name, "@")
|
|
if(key ~= nil) then
|
|
return(key[1])
|
|
else
|
|
return(name)
|
|
end
|
|
end
|
|
|
|
function getSafeChildIcon()
|
|
return(" <font color='#5cb85c'><i class='fa fa-lg fa-child' aria-hidden='true'></i></font>")
|
|
end
|
|
|
|
-- ###########################################
|
|
|
|
function printntopngRelease(info)
|
|
if info.oem then
|
|
return ""
|
|
end
|
|
|
|
if(info["version.enterprise_edition"]) or (info["version.nedge_enterprise_edition"]) then
|
|
print(" Enterprise")
|
|
elseif(info["version.nedge_edition"]) then
|
|
print(" ")
|
|
elseif(info["pro.release"]) then
|
|
print(" Professional")
|
|
else
|
|
print(" Community")
|
|
end
|
|
|
|
if(info["version.embedded_edition"] == true) then
|
|
print("/Embedded")
|
|
end
|
|
|
|
print(" Edition</td></tr>\n")
|
|
end
|
|
|
|
-- ###########################################
|
|
|
|
-- avoids manual HTTP prefix and /lua concatenation
|
|
function page_url(path)
|
|
return ntop.getHttpPrefix().."/lua/"..path
|
|
end
|
|
|
|
-- extracts a page url from the path
|
|
function path_get_page(path)
|
|
local prefix = ntop.getHttpPrefix() .. "/lua/"
|
|
|
|
if string.find(path, prefix) == 1 then
|
|
return string.sub(path, string.len(prefix) + 1)
|
|
end
|
|
|
|
return path
|
|
end
|
|
|
|
-- ###########################################
|
|
|
|
function swapKeysValues(tbl)
|
|
local new_tbl = {}
|
|
|
|
for k, v in pairs(tbl or {}) do
|
|
new_tbl[v] = k
|
|
end
|
|
|
|
return new_tbl
|
|
end
|
|
|
|
-- ###########################################
|
|
|
|
-- A redis hash mac -> first_seen
|
|
function getFirstSeenDevicesHashKey(ifid)
|
|
return "ntopng.seen_devices.ifid_" .. ifid
|
|
end
|
|
|
|
-- ###########################################
|
|
|
|
function getHideFromTopSet(ifid)
|
|
return "ntopng.prefs.iface_" .. ifid .. ".hide_from_top"
|
|
end
|
|
|
|
-- ###########################################
|
|
|
|
function printWarningAlert(message)
|
|
print[[<div class="alert alert-warning alert-dismissable" role="alert">]]
|
|
print[[<a class="close" data-dismiss="alert" aria-label="close">×</a>]]
|
|
print[[<i class="fa fa-warning fa-sm"></i> ]]
|
|
print[[<strong>]] print(i18n("warning")) print[[</strong> ]]
|
|
print(message)
|
|
print[[</div>]]
|
|
end
|
|
|
|
-- ###########################################
|
|
|
|
function tsQueryToTags(query)
|
|
local tags = {}
|
|
|
|
for _, part in pairs(split(query, ",")) do
|
|
local sep_pos = string.find(part, ":")
|
|
|
|
if sep_pos then
|
|
local k = string.sub(part, 1, sep_pos-1)
|
|
local v = string.sub(part, sep_pos+1)
|
|
tags[k] = v
|
|
end
|
|
end
|
|
|
|
return tags
|
|
end
|
|
|
|
function tsTagsToQuery(tags)
|
|
return table.tconcat(tags, ":", ",")
|
|
end
|
|
|
|
-- ###########################################
|
|
|
|
function splitUrl(url)
|
|
local params = {}
|
|
local parts = split(url, "?")
|
|
|
|
if #parts == 2 then
|
|
url = parts[1]
|
|
parts = split(parts[2], "&")
|
|
|
|
for _, param in pairs(parts) do
|
|
local p = split(param, "=")
|
|
|
|
if #p == 2 then
|
|
params[p[1]] = p[2]
|
|
end
|
|
end
|
|
end
|
|
|
|
return {
|
|
url = url,
|
|
params = params,
|
|
}
|
|
end
|
|
|
|
-- ###########################################
|
|
|
|
--
|
|
-- IMPORTANT
|
|
-- Leave it at the end so it can use the functions
|
|
-- defined in this file
|
|
--
|
|
http_lint = require "http_lint"
|
|
|