mirror of
https://github.com/ntop/ntopng.git
synced 2026-04-29 23:49:33 +00:00
4bf10f4fce
Fixed SQL when exploring subnets Modified preferences to specify that when nDPI RRDs are created, they do for both local hosts and networks
1790 lines
No EOL
46 KiB
Lua
1790 lines
No EOL
46 KiB
Lua
--
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-- (C) 2014-15 - ntop.org
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--
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require "lua_trace"
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function getInterfaceName(interface_id)
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local ifnames = interface.getIfNames()
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interface_id = tonumber(interface_id)
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for _,if_name in pairs(ifnames) do
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interface.select(if_name)
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_ifstats = interface.getStats()
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if(_ifstats.id == interface_id) then
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return(_ifstats.name)
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end
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end
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return("")
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end
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function getInterfaceId(interface_name)
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return(interface.name2id(interface_name))
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end
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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["ifname"]
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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)
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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" },
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{ "UDP", "udp" },
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{ "ICMP", "icmp" },
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{ "Other IP", "other ip" }
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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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function sendHTTPHeaderIfName(mime, ifname, maxage)
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info = ntop.getInfo()
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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=/; HttpOnly\r\n') end
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if(ifname ~= nil) then print('Set-Cookie: ifname=' .. ifname .. '; path=/\r\n') end
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print('Content-Type: '.. mime ..'\r\n')
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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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function sendHTTPHeaderLogout(mime)
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sendHTTPHeaderIfName(mime, nil, 0)
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end
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function sendHTTPHeader(mime)
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sendHTTPHeaderIfName(mime, nil, 3600)
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end
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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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function isEmptyString(str)
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-- io.write(str..'\n')
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if((str == nil) or (str == "")) then
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return true
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else
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return false
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end
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end
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function findString(str, tofind)
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local upper_lower = true
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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.gsub(str, "-", "_")
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tofind1 = string.gsub(tofind, "-", "_")
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rsp = string.find(str1, tofind1, 1)
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if(upper_lower) then
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if(rsp == nil) then
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-- Lowercase
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str1 = string.lower(str1)
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tofind1 = string.lower(tofind1)
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rsp = string.find(str1, tofind1, 1)
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end
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if(rsp == nil) then
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-- Uppercase
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str1 = string.upper(str1)
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tofind1 = string.upper(tofind1)
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rsp = string.find(str1, tofind1, 1)
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end
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end
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--print(str1 .. "/" .. tofind1.."\n")
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--print(rsp)
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--print("\n")
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return(rsp)
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end
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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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function string.contains(String,Start)
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return(string.find(String,Start,1) ~= nil)
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end
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function string.starts(String,Start)
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return string.sub(String,1,string.len(Start))==Start
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end
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function string.ends(String,End)
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return End=='' or string.sub(String,-string.len(End))==End
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end
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function printASN(asn, asname)
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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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function shortenString(name)
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max_len = 24
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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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function shortHostName(name)
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local chunks = {name:match("(%d+)%.(%d+)%.(%d+)%.(%d+)")}
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if(#chunks == 4) then
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return(name)
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else
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max_len = 24
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chunks = {name:match("%w+:%w+:%w+:%w+:%w+:%w+")}
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--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
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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
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if(tot < max_len) then
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if(n > 0) then ret = ret .. "." end
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ret = ret .. token
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tot = tot+string.len(token)
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n = n + 1
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end
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end
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return(ret .. "...")
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end
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end
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return(name)
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end
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function _handleArray(name, sev)
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local id
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for id, _ in ipairs(name) do
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local l = name[id][1]
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local key = name[id][2]
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if(string.upper(key) == string.upper(sev)) then
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return(l)
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end
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end
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return(firstToUpper(sev))
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end
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epp_rrd_names = {
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{ "Positive Replies Number", "num_replies_ok.rrd" },
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{ "Error Replies Number", "num_replies_error.rrd" },
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{ "Query Number", "num_queries.rrd" },
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{ "domain-create", "num_cmd_1.rrd" },
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{ "domain-update", "num_cmd_2.rrd" },
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{ "domain-delete", "num_cmd_3.rrd" },
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{ "domain-restore", "num_cmd_4.rrd" },
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{ "domain-transfer", "num_cmd_5.rrd" },
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{ "domain-transfer-trade", "num_cmd_6.rrd" },
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{ "domain-transfer-request", "num_cmd_7.rrd" },
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{ "domain-transfer-trade-request", "num_cmd_8.rrd" },
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{ "domain-transfer-cancel", "num_cmd_9.rrd" },
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{ "domain-transfer-approve", "num_cmd_10.rrd" },
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{ "domain-transfer-reject", "num_cmd_11.rrd" },
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{ "contact-create", "num_cmd_12.rrd" },
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{ "contact-update", "num_cmd_13.rrd" },
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{ "contact-delete", "num_cmd_14.rrd" },
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{ "domain-update-hosts", "num_cmd_15.rrd" },
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{ "domain-update-statuses", "num_cmd_16.rrd" },
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{ "domain-update-contacts", "num_cmd_17.rrd" },
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{ "domain-trade", "num_cmd_18.rrd" },
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{ "domain-update-simple", "num_cmd_19.rrd" },
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{ "domain-info", "num_cmd_20.rrd" },
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{ "contact-info", "num_cmd_21.rrd" },
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{ "domain-check", "num_cmd_22.rrd" },
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{ "contact-check", "num_cmd_23.rrd" },
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{ "poll-req", "num_cmd_24.rrd" },
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{ "domain-transfer-trade-cancel", "num_cmd_25.rrd" },
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{ "domain-transfer-trade-approve", "num_cmd_26.rrd" },
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{ "domain-transfer-trade-reject", "num_cmd_27.rrd" },
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{ "domain-transfer-query", "num_cmd_28.rrd" },
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{ "login", "num_cmd_29.rrd" },
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{ "login-chg-pwd", "num_cmd_30.rrd" },
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{ "logout", "num_cmd_31.rrd" },
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{ "poll-ack", "num_cmd_32.rrd" },
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{ "hello", "num_cmd_33.rrd" },
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{ "unknown-command", "num_cmd_34.rrd" }
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}
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function l4Label(proto)
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return(_handleArray(l4_keys, proto))
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end
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function mapEppRRDName(name)
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return(_handleArray(epp_rrd_names, name))
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end
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-- Alerts (see ntop_typedefs.h)
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alert_level_keys = {
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{ "<span class='label label-info'>Info</span>", 0 },
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{ "<span class='label label-warning'>Warning</span>", 1 },
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{ "<span class='label label-danger'>Error</span>", 2 }
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}
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alert_type_keys = {
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{ "<i class='fa fa-tint'></i> TCP SYN Flood", 0 },
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{ "<i class='fa fa-tint'></i> Flows Flood", 1 },
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{ "<i class='fa fa-arrow-circle-up'></i> Threshold Cross", 2 },
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{ "<i class='fa fa-frown-o'></i> Blacklist Host", 3 },
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{ "<i class='fa fa-clock-o'></i> Periodic Activity", 4 },
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{ "<i class='fa fa-sort-asc'></i> Quota Exceeded", 5 },
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{ "<i class='fa fa-ban'></i> Malware Detected", 6 }
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}
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function alertSeverityLabel(v)
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return(_handleArray(alert_level_keys, tonumber(v)))
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end
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function alertTypeLabel(v)
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return(_handleArray(alert_type_keys, tonumber(v)))
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end
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function firstToUpper(str)
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str = tostring(str)
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return (str:gsub("^%l", string.upper))
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end
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function pairsByKeys(t, f)
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local a = {}
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for n in pairs(t) do table.insert(a, n) end
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table.sort(a, f)
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local i = 0 -- iterator variable
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local iter = function () -- iterator function
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i = i + 1
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if a[i] == nil then return nil
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else return a[i], t[a[i]]
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end
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end
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return iter
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end
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function pairsByValues(t, f)
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local a = {}
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for n in pairs(t) do table.insert(a, n) end
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table.sort(a, function(x, y) return f(t[x], t[y]) end)
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local i = 0 -- iterator variable
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local iter = function () -- iterator function
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i = i + 1
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if a[i] == nil then return nil
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else return a[i], t[a[i]]
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end
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end
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return iter
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end
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function asc(a,b)
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return (a < b)
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end
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function rev(a,b)
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return (a > b)
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end
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--for _key, _value in pairsByKeys(vals, rev) do
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-- print(_key .. "=" .. _value .. "\n")
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--end
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function round(num, idp)
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return tonumber(string.format("%." .. (idp or 0) .. "f", num))
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end
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-- Note that the function below returns a string as returnong a number
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-- would not help as a new float would be returned
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function toint(num)
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return string.format("%u", num)
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end
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-- Convert bytes to human readable format
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function bytesToSize(bytes)
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if(bytes == nil) then
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return("0")
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else
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precision = 2
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kilobyte = 1024;
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megabyte = kilobyte * 1024;
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gigabyte = megabyte * 1024;
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terabyte = gigabyte * 1024;
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bytes = tonumber(bytes)
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if((bytes >= 0) and (bytes < kilobyte)) then
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return round(bytes, precision) .. " B";
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elseif((bytes >= kilobyte) and (bytes < megabyte)) then
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return round(bytes / kilobyte, precision) .. ' KB';
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elseif((bytes >= megabyte) and (bytes < gigabyte)) then
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return round(bytes / megabyte, precision) .. ' MB';
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elseif((bytes >= gigabyte) and (bytes < terabyte)) then
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return round(bytes / gigabyte, precision) .. ' GB';
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elseif(bytes >= terabyte) then
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return round(bytes / terabyte, precision) .. ' TB';
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else
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return round(bytes, precision) .. ' B';
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end
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end
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end
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-- Convert bits to human readable format
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function bitsToSize(bits)
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precision = 2
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kilobit = 1000;
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megabit = kilobit * 1000;
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gigabit = megabit * 1000;
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terabit = gigabit * 1000;
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if((bits >= kilobit) and (bits < megabit)) then
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return round(bits / kilobit, precision) .. ' Kbit';
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elseif((bits >= megabit) and (bits < gigabit)) then
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return round(bits / megabit, precision) .. ' Mbit';
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elseif((bits >= gigabit) and (bits < terabit)) then
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return round(bits / gigabit, precision) .. ' Gbit';
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elseif(bits >= terabit) then
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return round(bits / terabit, precision) .. ' Tbit';
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else
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return round(bits, precision) .. ' bps';
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end
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end
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-- Convert packets to pps readable format
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function pktsToSize(pkts)
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precision = 2
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if (pkts >= 1000000) then return round(pkts/1000000, precision)..' Mpps';
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elseif(pkts >= 1000) then return round(pkts/ 1000, precision)..' Kpps';
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else return round(pkts , precision)..' pps';
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end
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end
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function formatValue(amount)
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local formatted = amount
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if(formatted == nil) then return(0) end
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while true do
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formatted, k = string.gsub(formatted, "^(-?%d+)(%d%d%d)", '%1,%2')
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if(k==0) then
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break
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end
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end
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return formatted
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end
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function formatPackets(amount)
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return formatValue(tonumber(amount)).." Pkts"
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end
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function capitalize(str)
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return (str:gsub("^%l", string.upper))
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end
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function isnumber(str)
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if((str ~= nil) and (string.len(str) > 0) and (tonumber(str) ~= nil)) then
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return(true)
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else
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return(false)
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end
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end
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function split(pString, pPattern)
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local Table = {} -- NOTE: use {n = 0} in Lua-5.0
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local fpat = "(.-)" .. pPattern
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local last_end = 1
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local s, e, cap = pString:find(fpat, 1)
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while s do
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if s ~= 1 or cap ~= "" then
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table.insert(Table,cap)
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end
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last_end = e+1
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s, e, cap = pString:find(fpat, last_end)
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end
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if last_end <= #pString then
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cap = pString:sub(last_end)
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table.insert(Table, cap)
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end
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return Table
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end
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string.split = function(s, p)
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local temp = {}
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local index = 0
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local last_index = string.len(s)
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while true do
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local i, e = string.find(s, p, index)
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if i and e then
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local next_index = e + 1
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local word_bound = i - 1
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table.insert(temp, string.sub(s, index, word_bound))
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index = next_index
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else
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if index > 0 and index <= last_index then
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table.insert(temp, string.sub(s, index, last_index))
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elseif index == 0 then
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temp = nil
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end
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break
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end
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end
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return temp
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end
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function formatEpoch(epoch)
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return(os.date("%d/%m/%Y %X", epoch))
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end
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|
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function secondsToTime(seconds)
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if(seconds == nil) then return "" end
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|
if(seconds < 1) then
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return("< 1 sec")
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end
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days = math.floor(seconds / 86400)
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hours = math.floor((seconds / 3600) - (days * 24))
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minutes = math.floor((seconds / 60) - (days * 1440) - (hours * 60))
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sec = seconds % 60
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msg = ""
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if(days > 0) then
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years = math.floor(days/365)
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|
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if(years > 0) then
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days = days % 365
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|
|
msg = years .. " year"
|
|
if(years > 1) then msg = msg .. "s" end
|
|
|
|
msg = msg .. ", "
|
|
end
|
|
if(days > 0) then
|
|
msg = msg .. days .. " day"
|
|
if(days > 1) then msg = msg .. "s" end
|
|
msg = msg .. ", "
|
|
end
|
|
end
|
|
|
|
if(hours > 0) then
|
|
msg = msg .. string.format("%d ", hours)
|
|
if(hours > 1) then
|
|
msg = msg .. "h"
|
|
else
|
|
msg = msg .. "h"
|
|
end
|
|
|
|
--if(hours > 1) then msg = msg .. "s" end
|
|
msg = msg .. ", "
|
|
end
|
|
|
|
if(minutes > 0) then
|
|
msg = msg .. string.format("%d min", minutes)
|
|
end
|
|
|
|
if(sec > 0) then
|
|
if((string.len(msg) > 0) and (minutes > 0)) then msg = msg .. ", " end
|
|
msg = msg .. string.format("%d sec", sec);
|
|
end
|
|
|
|
return msg
|
|
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 getCategoryIcon(what, cat)
|
|
if((cat == "") or (cat == nil)) then
|
|
return("")
|
|
elseif(cat == "safe") then
|
|
return("<A HREF=http://google.com/safebrowsing/diagnostic?site="..what.."&hl=en-us><font color=green><i class=\'fa fa-check\'></i></font></A>")
|
|
elseif(cat == "malware") then
|
|
return("<A HREF=http://google.com/safebrowsing/diagnostic?site="..what.."&hl=en-us><font color=red><i class=\'fa fa-ban\'></i></font></A>")
|
|
else
|
|
return(cat)
|
|
end
|
|
end
|
|
|
|
function abbreviateString(str, len)
|
|
if(str == nil) then
|
|
return("")
|
|
else
|
|
if(string.len(str) < len) then
|
|
return(str)
|
|
else
|
|
return(string.sub(str, 1, 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 addGauge(name, url, maxValue, width, height)
|
|
if(url ~= nil) then print('<A HREF="'..url..'">') end
|
|
print('<canvas id="'..name..'" height="'..height..'" width="'..width..'"></canvas>\n')
|
|
-- print('<div id="'..name..'-text" style="font-size: 12px;"></div>\n')
|
|
if(url ~= nil) then print('</A>') end
|
|
|
|
print [[
|
|
<script type="text/javascript">
|
|
|
|
var opts = {
|
|
fontSize: 40,
|
|
lines: 12, // The number of lines to draw
|
|
angle: 0.15, // The length of each line
|
|
lineWidth: 0.44, // The line thickness
|
|
pointer: {
|
|
length: 0.85, // The radius of the inner circle
|
|
strokeWidth: 0.051, // The rotation offset
|
|
color: '#000000' // Fill color
|
|
},
|
|
limitMax: 'false', // If true, the pointer will not go past the end of the gauge
|
|
|
|
colorStart: '#6FADCF', // Colors
|
|
colorStop: '#8FC0DA', // just experiment with them
|
|
strokeColor: '#E0E0E0', // to see which ones work best for you
|
|
generateGradient: true
|
|
};
|
|
]]
|
|
|
|
print('var target = document.getElementById("'..name..'"); // your canvas element\n')
|
|
print('var '..name..' = new Gauge(target).setOptions(opts);\n')
|
|
--print(name..'.setTextField(document.getElementById("'..name..'-text"));\n')
|
|
print(name..'.maxValue = '..maxValue..'; // set max gauge value\n')
|
|
print("</script>\n")
|
|
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 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()
|
|
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
|
|
|
|
function getInterfaceId(interface_name)
|
|
ifnames = interface.getIfNames()
|
|
|
|
for _,if_name in pairs(ifnames) do
|
|
interface.select(if_name)
|
|
_ifstats = interface.getStats()
|
|
if(_ifstats.name == interface_name) then return(_ifstats.id) end
|
|
end
|
|
|
|
return(-1)
|
|
end
|
|
|
|
-- Windows fixes for interfaces with "uncommon chars"
|
|
function purifyInterfaceName(interface_name)
|
|
interface_name = string.gsub(interface_name, "@", "_")
|
|
interface_name = string.gsub(interface_name, ":", "_")
|
|
return(interface_name)
|
|
end
|
|
|
|
-- Fix path format Unix <-> Windows
|
|
function fixPath(path)
|
|
if(ntop.isWindows() and (string.len(path) > 2)) then
|
|
path = string.gsub(path, "/", "\\")
|
|
-- Avoid changing c:\.... into c_\....
|
|
path = string.sub(path, 1, 2) .. string.gsub(string.sub(path, 3), ":", "_")
|
|
-- io.write("->"..path.."\n")
|
|
end
|
|
|
|
return(path)
|
|
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
|
|
|
|
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 getApplicationLabel(name)
|
|
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
|
|
|
|
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
|
|
|
|
-- ##############################################
|
|
|
|
-- Used to avoid resolving host names too many times
|
|
resolved_host_labels_cache = {}
|
|
|
|
function getHostAltName(host_ip)
|
|
local alt_name = resolved_host_labels_cache[host_ip]
|
|
|
|
if(alt_name ~= nil) then
|
|
return(alt_name)
|
|
end
|
|
|
|
alt_name = ntop.getHashCache("ntopng.host_labels", host_ip)
|
|
|
|
if((alt_name == nil) or (alt_name == "")) then
|
|
alt_name = host_ip
|
|
end
|
|
|
|
resolved_host_labels_cache[host_ip] = alt_name
|
|
|
|
return(alt_name)
|
|
end
|
|
|
|
function setHostAltName(host_ip, alt_name)
|
|
ntop.setHashCache("ntopng.host_labels", host_ip, alt_name)
|
|
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 = ntop.getResolvedAddress(name)
|
|
|
|
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, vlan)
|
|
local name
|
|
local orig_name
|
|
|
|
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
|
|
|
|
--
|
|
-- 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)
|
|
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((host_info["vlan"] ~= nil) and (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
|
|
|
|
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 ntop_version_check()
|
|
_rsp = ntop.getCache("ntopng.version")
|
|
|
|
if((_rsp == nil) or (_rsp == "")) then
|
|
_rsp = ntop.httpGet("http://www.ntop.org/ntopng.version", "", "", 10)
|
|
if((_rsp == nil) or (_rsp["CONTENT"] == nil)) then rsp = "0.0.0" else rsp = _rsp["CONTENT"] end
|
|
ntop.setCache("ntopng.version", rsp, 86400)
|
|
else
|
|
rsp = _rsp
|
|
end
|
|
|
|
if(rsp ~= nil) then
|
|
info = ntop.getInfo()
|
|
stable_version = version2int(rsp)
|
|
|
|
version_elems = split(info["version"], " ");
|
|
this_version = version2int(version_elems[1])
|
|
|
|
if(stable_version > this_version) then
|
|
print("<p><div class=\"alert alert-warning\"><font color=red><i class=\"fa fa-cloud-download fa-lg\"></i> A new "..info["product"].." (v." .. rsp .. ") is available for <A HREF=http://www.ntop.org/get-started/download/>download</A>: please upgrade.</font></div></p>")
|
|
end
|
|
end
|
|
end
|
|
|
|
|
|
-- Print contents of `tbl`, with indentation.
|
|
-- `indent` sets the initial level of indentation.
|
|
function tprint (tbl, indent)
|
|
if not indent then indent = 0 end
|
|
|
|
if(tbl ~= nil) then
|
|
for k, v in pairs(tbl) do
|
|
formatting = string.rep(" ", indent) .. k .. ": "
|
|
if type(v) == "table" then
|
|
io.write(formatting)
|
|
tprint(v, indent+1)
|
|
elseif type(v) == 'boolean' then
|
|
io.write(formatting .. tostring(v))
|
|
else
|
|
io.write(formatting .. v)
|
|
end
|
|
end
|
|
|
|
io.write("\n")
|
|
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
|
|
|
|
-- ############################################
|
|
-- 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 getPathFromKey(key)
|
|
local path = string.gsub(key, "%.", "/")
|
|
path = string.gsub(path, ":", "_")
|
|
return fixPath(path)
|
|
end
|
|
|
|
----- End of Redis Utils ------
|
|
|
|
|
|
-- ############################################
|
|
-- Runtime preference
|
|
|
|
function prefsInputField(label, comment, key, value)
|
|
if(_GET[key] ~= nil) then
|
|
k = "ntopng.prefs."..key
|
|
v_s = _GET[key]
|
|
v = tonumber(v_s)
|
|
if(v ~= nil and (v > 0) and (v < 86400)) then
|
|
-- print(k.."="..v)
|
|
ntop.setCache(k, tostring(v))
|
|
value = v
|
|
elseif (v_s ~= nil) then
|
|
ntop.setCache(k, v_s)
|
|
value = v_s
|
|
end
|
|
end
|
|
|
|
print('<tr><td width=50%><strong>'..label..'</strong><p><small>'..comment..'</small></td>')
|
|
|
|
print [[
|
|
<td class="input-group col-lg-3" align=right><form class="navbar-form navbar-right">]]
|
|
print('<input id="csrf" name="csrf" type="hidden" value="'..ntop.getRandomCSRFValue()..'" />\n')
|
|
print [[
|
|
<div class="input-group" >
|
|
<input type="text" class="form-control" name="]] print(key) print [[" value="]] print(value.."") print [[">
|
|
<span class="input-group-btn">
|
|
<button class="btn btn-default" type="submit">Save</button>
|
|
</span>
|
|
</div><!-- /input-group -->
|
|
</form></td></tr>
|
|
]]
|
|
|
|
end
|
|
|
|
function toggleTableButton(label, comment, on_label, on_value, on_color , off_label, off_value, off_color, submit_field, redis_key, disabled)
|
|
if(_GET[submit_field] ~= nil) then
|
|
ntop.setCache(redis_key, _GET[submit_field])
|
|
value = _GET[submit_field]
|
|
else
|
|
value = ntop.getCache(redis_key)
|
|
end
|
|
if (disabled == true) then
|
|
disabled = 'disabled = ""'
|
|
else
|
|
disabled = ""
|
|
end
|
|
|
|
-- Read it anyway to
|
|
if(value == off_value) then
|
|
rev_value = on_value
|
|
on_active = "btn-default"
|
|
off_active = "btn-"..off_color.." active"
|
|
else
|
|
rev_value = off_value
|
|
on_active = "btn-"..on_color.." active"
|
|
off_active = "btn-default"
|
|
end
|
|
|
|
if(label ~= "") then print('<tr><td width=50%><strong>'..label..'</strong><p><small>'..comment..'</small></td><td align=right>\n') end
|
|
print('<form>\n<div class="btn-group btn-toggle">')
|
|
print('<input id="csrf" name="csrf" type="hidden" value="'..ntop.getRandomCSRFValue()..'" />\n')
|
|
print('<input type=hidden name='..submit_field..' value='..rev_value..'>\n')
|
|
print('<button type="submit" '..disabled..' class="btn btn-sm '..on_active..'">'..on_label..'</button>')
|
|
print('<button '..disabled..' class="btn btn-sm '..off_active..'">'..off_label..'</button></div>\n')
|
|
print('</form>\n')
|
|
if(label ~= "") then print('</td></tr>') end
|
|
|
|
return(value)
|
|
end
|
|
|
|
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 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)
|
|
table_key = getRedisPrefix("ntopng.prefs.table")
|
|
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)
|
|
table_key = getRedisPrefix("ntopng.prefs.table")
|
|
if(table_type ~= nil) then
|
|
value = ntop.getHashCache(table_key, "sort_order_"..table_type)
|
|
end
|
|
if((value == nil) or (value == "")) then value = 'desc' end
|
|
return(value)
|
|
end
|
|
|
|
function getDefaultTableSize()
|
|
table_key = getRedisPrefix("ntopng.prefs.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)
|
|
table_key = getRedisPrefix("ntopng.prefs.table")
|
|
if((value == nil) or (value == "")) then
|
|
-- Get preferences
|
|
return ntop.getHashCache(table_key, key)
|
|
else
|
|
-- Set preferences
|
|
ntop.setHashCache(table_key, key, value)
|
|
return(value)
|
|
end
|
|
end
|
|
|
|
|
|
function getInterfaceNameAlias(interface_name)
|
|
label = ntop.getCache('ntopng.prefs.'..interface_name..'.name')
|
|
if((label == nil) or (label == "")) then
|
|
return(interface_name)
|
|
else
|
|
return(label)
|
|
end
|
|
end
|
|
|
|
function getHumanReadableInterfaceName(interface_id)
|
|
key = 'ntopng.prefs.'..interface_id..'.name'
|
|
custom_name = ntop.getCache(key)
|
|
|
|
if((custom_name ~= nil) and (custom_name ~= "")) then
|
|
return(custom_name)
|
|
else
|
|
interface.select(interface_id)
|
|
_ifstats = interface.getStats()
|
|
|
|
-- print(interface_id.."=".._ifstats.name)
|
|
|
|
if((interface_id ~= _ifstats.description) and (_ifstats.description ~= "PF_RING")) then
|
|
return(_ifstats.description)
|
|
else
|
|
return(_ifstats.name)
|
|
end
|
|
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)
|
|
s = string.gsub(s, "+", " ")
|
|
s = string.gsub(s, "%%(%x%x)", function (h)
|
|
return string.char(tonumber(h, 16))
|
|
end)
|
|
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 = 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 = fixPath(dirs.workingdir .. "/" .. _ifstats.id)
|
|
|
|
harvestUnusedDir(fixPath(basedir .. "/top_talkers"), when)
|
|
harvestUnusedDir(fixPath(basedir .. "/flows"), when)
|
|
end
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function isAdministrator()
|
|
local user_group = ntop.getUserGroup()
|
|
|
|
if(user_group == "administrator") 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' 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
|
|
|
|
-- ternary
|
|
function ternary(cond, T, F)
|
|
if cond then return T else return F end
|
|
end
|
|
|
|
-- split
|
|
function split(s, delimiter)
|
|
result = {};
|
|
for match in (s..delimiter):gmatch("(.-)"..delimiter) do
|
|
table.insert(result, match);
|
|
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
|
|
|
|
-- maxRateToString
|
|
function maxRateToString(max_rate)
|
|
if((max_rate == nil) or (max_rate == "")) then max_rate = -1 end
|
|
max_rate = tonumber(max_rate)
|
|
if(max_rate == -1) then
|
|
return("No Limit")
|
|
else
|
|
if(max_rate == 0) then
|
|
return("Drop All Traffic")
|
|
else
|
|
if(max_rate < 1000) then
|
|
return(max_rate.." Kbit/s")
|
|
else
|
|
local mr
|
|
mr = round(max_rate / 1000, 2)
|
|
|
|
if(mr < 1000) then
|
|
return(mr.." Mbit/s")
|
|
else
|
|
gbit = mr /1000
|
|
return(gbit.." Gbit/s")
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- makeTopStatsScriptsArray
|
|
function makeTopStatsScriptsArray()
|
|
path = dirs.installdir .. "/scripts/lua/modules/top_scripts"
|
|
path = fixPath(path)
|
|
local files = ntop.readdir(path)
|
|
topArray = {}
|
|
|
|
for k,v in pairs(files) do
|
|
if(string.ends(k, ".lua")) then
|
|
if(v ~= nil) then
|
|
value = {}
|
|
fn,ext = v:match("([^.]+).([^.]+)")
|
|
mod = require("top_scripts."..fn)
|
|
if(type(mod) ~= type(true)) then
|
|
value["name"] = mod.name
|
|
value["script"] = mod.infoScript
|
|
value["key"] = mod.infoScriptKey
|
|
value["levels"] = mod.numLevels
|
|
topArray[fn] = value
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
return(topArray)
|
|
end
|
|
|
|
local mac_cache = { }
|
|
-- get_mac_classification
|
|
function get_mac_classification(m)
|
|
local path = fixPath(dirs.installdir.."/httpdocs/other/EtherOUI.txt")
|
|
local file_mac
|
|
|
|
if(string.len(m) > 8) then m = string.sub(m, 1, 8) end
|
|
|
|
if(mac_cache[m] ~= nil) then
|
|
-- io.write("Cached "..m.."\n")
|
|
return(mac_cache[m])
|
|
end
|
|
|
|
file_mac = io.open(path)
|
|
if (file_mac == nil) then return m end
|
|
|
|
local mac_line = file_mac:read("*l")
|
|
while (mac_line ~= nil) do
|
|
if (not startswith(mac_line, "#") and mac_line ~= "") then
|
|
b = string.sub(mac_line, 1, 8)
|
|
if (m == b) then
|
|
t = split(mac_line, "\t")
|
|
file_mac.close()
|
|
rsp = split(t[2], " ")[1]
|
|
mac_cache[m] = rsp
|
|
return rsp
|
|
end
|
|
end
|
|
mac_line = file_mac:read("*l")
|
|
end
|
|
file_mac.close()
|
|
|
|
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"
|
|
}
|
|
|
|
-- get_symbolic_mac
|
|
function get_symbolic_mac(mac_address)
|
|
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
|
|
return(magic_short_macs[m].."_"..t.." ("..mac_address..")")
|
|
else
|
|
local s = get_mac_classification(m)
|
|
|
|
if(m == s) then
|
|
return(get_mac_classification(m)..":"..t)
|
|
else
|
|
return(get_mac_classification(m).."_"..t.." ("..mac_address..")")
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- rrd_exists
|
|
function rrd_exists(host_ip, rrdname)
|
|
if(host_ip == nil) then return false end
|
|
dirs = ntop.getDirs()
|
|
rrdpath = dirs.workingdir .. "/" .. ifId .. "/rrd/" .. getPathFromKey(host_ip) .. "/" .. rrdname
|
|
return ntop.exists(rrdpath)
|
|
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
|
|
|
|
-- getSpeedMax
|
|
function getSpeedMax(ifname)
|
|
|
|
if(ifname == nil) then
|
|
return -1
|
|
end
|
|
|
|
if(ifname ~= "eth0") then
|
|
return -1
|
|
end
|
|
|
|
ifname = tostring(ifname)
|
|
|
|
return(ntop.getSpeedMax(ifname))
|
|
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 |