Class: SCNR::Introspector::DataFlow::Sink

Inherits:
Object
  • Object
show all
Defined in:
lib/scnr/introspector/data_flow/sink.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Sink

Returns a new instance of Sink.

Parameters:

  • options (Hash) (defaults to: {}) 


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# File 'lib/scnr/introspector/data_flow/sink.rb', line 26

def initialize( options = {} )
    options.each do |k, v|
        next if v.nil?

        send( "#{k}=", v )
    end

    if !@method_source && @method_source_location
        filepath = @method_source_location.first
        lineno   = @method_source_location.last

        if File.exists? filepath
            File.open filepath do |f|
                begin
                    @method_source = MyMethodSource::CodeHelpers.expression_at( File.open( f ), lineno )
                rescue SyntaxError
                end
            end
        end
    end

    if !@source && @backtrace
        source_location = @backtrace.first.split( ':' ).first
        if File.exists? source_location
            @source = IO.read( source_location )
        end
    end
end

Instance Attribute Details

#arguments ⇒ Object

Returns the value of attribute arguments.



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 17

def arguments
  @arguments
end

#backtrace ⇒ Object

Returns the value of attribute backtrace.



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 23

def backtrace
  @backtrace
end

#method_name ⇒ Object

Returns the value of attribute method_name.



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 11

def method_name
  @method_name
end

#method_source ⇒ Object

Returns the value of attribute method_source.



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 12

def method_source
  @method_source
end

#method_source_location ⇒ Object

Returns the value of attribute method_source_location.



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 13

def method_source_location
  @method_source_location
end

#object ⇒ Object

Returns the value of attribute object.



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 9

def object
  @object
end

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 15

def source
  @source
end

#tainted_argument_index ⇒ Object

Returns the value of attribute tainted_argument_index.



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 19

def tainted_argument_index
  @tainted_argument_index
end

#tainted_value ⇒ Object

Returns the value of attribute tainted_value.



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 21

def tainted_value
  @tainted_value
end

Class Method Details

.from_rpc_data(data) ⇒ Object 



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 70

def self.from_rpc_data( data )
    n = self.new
    n.marshal_load( data )
    n.arguments = n.arguments.map { |a| ::JSON.load a }
    n
end

Instance Method Details

#marshal_dump ⇒ Object 



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 55

def marshal_dump
    instance_variables.inject( {} ) do |h, iv|
        h[iv.to_s.gsub('@','')] = instance_variable_get( iv )
        h
    end
end

#marshal_load(h) ⇒ Object 



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 66

def marshal_load( h )
    h.each { |k, v| instance_variable_set( "@#{k}", v ) }
end

#to_rpc_data ⇒ Object 



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# File 'lib/scnr/introspector/data_flow/sink.rb', line 62

def to_rpc_data
    marshal_dump.merge 'arguments' => arguments.map(&:to_json)
end