Class: PassiveDNS::PDNSToolState

Inherits:
Object
  • Object
show all
Defined in:
lib/passivedns/client/state.rb

Direct Known Subclasses

PDNSToolStateDB

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PDNSToolState

Returns a new instance of PDNSToolState.



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# File 'lib/passivedns/client/state.rb', line 12

def initialize
  @queue = []
  @recs = []
  @level = 0
end

Instance Attribute Details

#debug ⇒ Object

Returns the value of attribute debug.



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# File 'lib/passivedns/client/state.rb', line 9

def debug
  @debug
end

#level ⇒ Object (readonly)

Returns the value of attribute level.



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# File 'lib/passivedns/client/state.rb', line 10

def level
  @level
end

Instance Method Details

#add_query(query, state, level = @level+1) ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 49

def add_query(query,state,level=@level+1)
  if query =~ /^\d+ \w+\./
    query = query.split(/ /,2)[1]
  end
  return if get_state(query)
  puts "Adding query: #{query}, #{state}, #{level}" if @debug
  @queue << PDNSQueueEntry.new(query,state,level)
end

#add_result(res) ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 24

def add_result(res)
  @recs << res
  add_query(res.answer,'pending')
  add_query(res.query,'pending')
end

#each_query(max_level = 20) ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 58

def each_query(max_level=20)
  @queue.each do |q|
    if q.state == 'pending' or q.state == 'failed'
      @level = q.level
      q.state = 'queried'
      if q.level < max_level
        yield q.query
      end
    end
  end
end

#get_state(query) ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 40

def get_state(query)
  @queue.each do |q|
    if q.query == query
      return q.state
    end
  end
  false
end

#next_result ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 18

def next_result
  @recs.each do |rec|
    yield rec
  end
end

#to_gdf ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 70

def to_gdf
  output = "nodedef> name,description VARCHAR(12),color,style\n"
  # IP "$node2,,white,1"
  # domain "$node2,,gray,2"
  # Struct.new(:query, :answer, :rrtype, :ttl, :firstseen, :lastseen)
  colors = {"MX" => "green", "A" => "blue", "CNAME" => "pink", "NS" => "red", "SOA" => "white", "PTR" => "purple", "TXT" => "brown"}
  nodes = {}
  edges = {}
  next_result do |i|
    if i 
      nodes[i.query + ",,gray,2"] = true
      if i.answer =~ /[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}/ then
        nodes[i.answer + ",,white,1"] = true
      else 
        nodes[i.answer + ",,gray,2"] = true
      end
      color = colors[i.rrtype]
      color ||= "blue"
      edges[i.query + "," + i.answer + "," + color] = true
    end
  end
  nodes.each do |i,j|
    output += i+"\n"
  end
  output += "edgedef> node1,node2,color\n"
  edges.each do |i,j|
    output += i+"\n"
  end
  output
end

#to_graphml ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 122

def to_graphml
  output = '<?xml version="1.0" encoding="UTF-8"?>
<graphml xmlns="http://graphml.graphdrawing.org/xmlns"  
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns
   http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd">
<graph id="G" edgedefault="directed">
'
  nodes = {}
  edges = {}
  next_result do |r|
    if r
      output += "    <node id='#{r.query}'/>\n" unless nodes["#{r.query}"]
      nodes[r.query] = true
      output += "    <node id='#{r.answer}'/>\n" unless nodes["#{r.answer}"]
      nodes[r.answer] = true
      output += "    <edge source='#{r.query}' target='#{r.answer}'/>\n" unless edges["#{r.query}|#{r.answer}"]
    end
  end
  output += '</graph></graphml>'+"\n"
end

#to_graphviz ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 101

def to_graphviz
  colors = {"MX" => "green", "A" => "blue", "CNAME" => "pink", "NS" => "red", "SOA" => "white", "PTR" => "purple", "TXT" => "brown"}
  output = "graph pdns {\n"
  nodes = {}
  next_result do |l|
    if l
      unless nodes[l.query]
        output += "  \"#{l.query}\" [shape=ellipse, style=filled, color=gray];\n"
        if l.answer =~ /^\d{3}\.\d{3}\.\d{3}\.\d{3}$/
          output += "  \"#{l.answer}\" [shape=box, style=filled, color=white];\n"
        else
          output += "  \"#{l.answer}\" [shape=ellipse, style=filled, color=gray];\n"
        end
        nodes[l.query] = true
      end
      output += "  \"#{l.query}\" -- \"#{l.answer}\" [color=#{colors[l.rrtype]}];\n"
    end
  end
  output += "}\n"
end

#to_json ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 163

def to_json
  output = "[\n"
  sep = ""
  next_result do |rec|
    output += sep
    output += rec.to_json
    sep = ",\n"
  end
  output += "\n]\n"
end

#to_s(sep = "\t") ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 174

def to_s(sep="\t")
  output = ""
  next_result do |rec|
    output += rec.to_s(sep)+"\n"
  end
  output
end

#to_xml ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 144

def to_xml
  output = '<?xml version="1.0" encoding="UTF-8" ?>'+"\n"
  output +=  "<report>\n"
  output +=  " <results>\n"
  next_result do |rec|
    output +=  "    "+rec.to_xml+"\n"
  end
  output +=  " </results>\n"
  output +=  "</report>\n"
end

#to_yaml ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 155

def to_yaml
  output = ""
  next_result do |rec|
    output += rec.to_yaml+"\n"
  end
  output
end

#update_query(query, state) ⇒ Object 



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# File 'lib/passivedns/client/state.rb', line 30

def update_query(query,state)
  @queue.each do |q|
    if q.query == query
      puts "update_query: #{query} (#{q.state}) -> (#{state})" if @debug
      q.state = state
      break
    end
  end
end