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



102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
# File 'lib/dap/filter/names.rb', line 102

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



90
91
92
93
94
95
96
97
98
99
100
# File 'lib/dap/filter/names.rb', line 90

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