Class: Dap::Filter::FilterSplitNonDynamicDomains

Inherits:
Object
  • Object
show all
Includes:
Base
Defined in:
lib/dap/filter/names.rb

Overview

Acts like SplitDomains but strips out common dynamic IP RDNS formats

XXX - Lots of work left to do

Instance Attribute Summary

Attributes included from Base

#name, #opts

Instance Method Summary collapse

Methods included from Base

#initialize

Instance Method Details

#expand(data) ⇒ Object 



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# File 'lib/dap/filter/names.rb', line 112

def expand(data)
  names = []
  data  = data.unpack("C*").pack("C*").
    gsub(/.*ip\d+\.ip\d+\.ip\d+\.ip\d+\./, '').
    gsub(/.*\d+[\_\-\.x]\d+[\_\-\.x]\d+[\_\-\.x]\d+[^\.]+/, '').
    gsub(/.*node-[a-z0-9]+.*pool.*dynamic\./, '').
    gsub(/.*[a-z][a-z]\d+\.[a-z]as[a-z0-9]+\./, '').
    # cl223.001033200.technowave.ne.jp
    gsub(/^cl\d+.[0-9]{6,14}\./, '').
    # n157.s1117.m-zone.jp
    gsub(/^n\d+.s\d+\.m-zone.jp/, 'm-zone.jp').
    # u570054.xgsnu2.imtp.tachikawa.mopera.net
    # s505207.xgsspn.imtp.tachikawa.spmode.ne.jp
    gsub(/^[us]\d+.xgs[a-z0-9]+\.imtp/, 'imtp').
    # tzbm6501209.tobizaru.jp
    gsub(/^tzbm[0-9]{6,9}\./, '').
    # ARennes-556-1-256-bdcst.w2-14.abo.wanadoo.fr
    gsub(/.*\-\d+\-\d+\-\d+\-(net|bdcst)\./, '').
    # bl19-128-119.dsl.telepac.pt
    gsub(/.*\d+\-\d+\-\d+\.dsl/, 'dsl').
    gsub(/.*pool\./, '').
    gsub(/.*dynamic\./, '').
    gsub(/.*static\./, '').
    gsub(/.*dhcp[^\.]+\./, '').
    gsub(/^\d{6,100}\./, '').
    gsub(/^\.+/, '').
    tr('^a-z0-9.-', '')

  bits  = data.split('.')
  while (bits.length > 1)
    names << bits.join('.')
    bits.shift
  end
  names
end

#process(doc) ⇒ Object 



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# File 'lib/dap/filter/names.rb', line 100

def process(doc)
  lines = [ ]
  self.opts.each_pair do |k,v|
    if doc.has_key?(k)
      expand(doc[k]).each do |line|
        lines << doc.merge({ "#{k}.domain" => line })
      end
    end
  end
 lines.length == 0 ? [ doc ] : [ lines ]
end