ntopng/scripts/lua/host_dns_breakdown.lua
2015-04-30 12:22:35 +02:00

113 lines
3.4 KiB
Lua

--
-- (C) 2013-15 - ntop.org
--
dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "lua_utils"
sendHTTPHeader('text/html; charset=iso-8859-1')
interface.select(ifname)
host_info = url2hostinfo(_GET)
mode = _GET["mode"]
if(mode == "sent") then
what = "sent"
else
what = "rcvd"
end
host = interface.getHostInfo(host_info["host"],host_info["vlan"])
left = 0
print "[\n"
--for k,v in pairs(host["dns"][what]) do
-- print(k.."="..v.."<br>\n")
--end
if(host ~= nil) then
tot = host["dns"][what]["queries"]["num_a"] + host["dns"][what]["queries"]["num_ns"] + host["dns"][what]["queries"]["num_cname"] + host["dns"][what]["queries"]["num_soa"] + host["dns"][what]["queries"]["num_ptr"] + host["dns"][what]["queries"]["num_mx"] + host["dns"][what]["queries"]["num_txt"] + host["dns"][what]["queries"]["num_aaaa"] + host["dns"][what]["queries"]["num_any"]
if(tot > 0) then
min = (tot * 3)/100
comma = ""
if(host["dns"][what]["queries"]["num_a"] > min) then
print('\t { "label": "A", "value": '.. host["dns"][what]["queries"]["num_a"] .. '}\n')
comma = ","
else
left = left + host["dns"][what]["queries"]["num_a"]
end
if(host["dns"][what]["queries"]["num_ns"] > min) then
print(comma..'\t { "label": "NS", "value": '.. host["dns"][what]["queries"]["num_ns"] .. '}\n')
comma = ","
else
left = left + host["dns"][what]["queries"]["num_ns"]
end
if(host["dns"][what]["queries"]["num_cname"] > min) then
print(comma..'\t { "label": "CNAME", "value": '.. host["dns"][what]["queries"]["num_cname"] .. '}\n')
comma = ","
else
left = left + host["dns"][what]["queries"]["num_cname"]
end
if(host["dns"][what]["queries"]["num_soa"] > min) then
print(comma..'\t { "label": "SOA", "value": '.. host["dns"][what]["queries"]["num_soa"] .. '}\n')
comma = ","
else
left = left + host["dns"][what]["queries"]["num_soa"]
end
if(host["dns"][what]["queries"]["num_ptr"] > min) then
print(comma..'\t { "label": "PTR", "value": '.. host["dns"][what]["queries"]["num_ptr"] .. '}\n')
comma = ","
else
left = left + host["dns"][what]["queries"]["num_ptr"]
end
if(host["dns"][what]["queries"]["num_mx"] > min) then
print(comma..'\t { "label": "MX", "value": '.. host["dns"][what]["queries"]["num_mx"] .. '}\n')
comma = ","
else
left = left + host["dns"][what]["queries"]["num_mx"]
end
if(host["dns"][what]["queries"]["num_txt"] > min) then
print(comma..'\t { "label": "TXT", "value": '.. host["dns"][what]["queries"]["num_txt"] .. '}\n')
comma = ","
else
left = left + host["dns"][what]["queries"]["num_txt"]
end
if(host["dns"][what]["queries"]["num_aaaa"] > min) then
print(comma..'\t { "label": "AAAA", "value": '.. host["dns"][what]["queries"]["num_aaaa"] .. '}\n')
comma = ","
else
left = left + host["dns"][what]["queries"]["num_aaaa"]
end
if(host["dns"][what]["queries"]["num_any"] > min) then
print(comma..'\t { "label": "ANY", "value": '.. host["dns"][what]["queries"]["num_any"] .. '}\n')
comma = ","
else
left = left + host["dns"][what]["queries"]["num_any"]
end
other = host["dns"][what]["queries"]["num_other"] + left
if(other > 0) then print(comma..'\t { "label": "Other", "value": '.. other .. '}\n')
end
end
end
print "\n]"