Class: Enricher::Bogon

Inherits:
Object
  • Object
show all
Defined in:
lib/enricher/bogon.rb

Overview

Bogons ipv4 allow for both static simple checks and for dynamic full Bogon list checks provided by Team Cymru.

>> @@mybogon = Enricher::Bogon.new(:live)^C >> @@mybogon.contains?(‘205.166.22.1’)

> true

>> @@mybogon = Enricher::Bogon.new(:ipv4)

> #<Enricher::Bogon:0x00000002fb0368 @bogon=[0.0.0.0/8, 10.0.0.0/8, 100.64.0.0/10, 127.0.0.0/8, 169.254.0.0/16, 172.16.0.0/12, 192.0.0.0/24, 192.0.2.0/24, 192.168.0.0/16, 198.18.0.0/15, 198.51.100.0/24, 203.0.113.0/24, 224.0.0.0/4, 240.0.0.0/4]>

>> @@mybogon.contains?(‘205.166.22.1’)

> false

Constant Summary collapse

BOGONIPV4 = 
['0.0.0.0/8',
'10.0.0.0/8',
'100.64.0.0/10',
'127.0.0.0/8',
'169.254.0.0/16',
'172.16.0.0/12',
'192.0.0.0/24',
'192.0.2.0/24',
'192.168.0.0/16',
'198.18.0.0/15',
'198.51.100.0/24',
'203.0.113.0/24',
'224.0.0.0/4',
'240.0.0.0/4']
LIST_URL = 
"http://www.team-cymru.org/Services/Bogons/fullbogons-ipv4.txt"

Instance Method Summary collapse

Constructor Details

#initialize(bogon) ⇒ Bogon 



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# File 'lib/enricher/bogon.rb', line 32

def initialize(bogon)
  if bogon == :ipv4
    @bogon = BOGONIPV4.collect do |cidr|
      NetAddr::CIDR.create(cidr)
    end
  elsif bogon == :live
    @bogon = []
    Net::HTTP.get(URI.parse(LIST_URL)).each_line do |line|
      if line !~ /^#/
        @bogon << NetAddr::CIDR.create(line.strip)
      end
    end
  else
    raise BogonSetUndefined, "Only the :ipv4 aggregated set, and :live via http is defined at this time. illegal use of #{bogon}"
  end

  @bogon
end

Instance Method Details

#addresses ⇒ Object 



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# File 'lib/enricher/bogon.rb', line 56

def addresses
  @bogon ||= self.initialize
end

#contains?(ip) ⇒ Boolean 



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# File 'lib/enricher/bogon.rb', line 51

def contains?(ip)
  @bogon.each { |net| return true if net.contains?(ip) }
  return false
end