module ARPScan::ARPScanner
This module manages finding the arp-scan binary and running the scan. It delegates the parsing of the scan results to the ScanResultProcessor
module.
Public Class Methods
scan(argument_string = nil)
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This method runs the actual scan by passing the arguments to the arp-scan binary. The results are passed to the ScanResultProcessor
and a ScanReport
is returned.
# File lib/arp_scan/arp_scanner.rb, line 30 def self.scan(argument_string = nil) result_string = `#{which 'arp-scan'} #{argument_string}` ScanResultProcessor.process(result_string, argument_string) end
Private Class Methods
which(cmd)
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I got this method from: stackoverflow.com/questions/2108727 Cross-platform way of finding an executable in the $PATH.
which('ruby') #=> /usr/bin/ruby
# File lib/arp_scan/arp_scanner.rb, line 15 def self.which(cmd) exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : [''] ENV['PATH'].split(File::PATH_SEPARATOR).each do |path| exts.each do |ext| exe = File.join(path, "#{cmd}#{ext}") return exe if File.executable?(exe) && !File.directory?(exe) end end raise 'arp-scan binary not found, make sure it is installed' end