Class: Nasl::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/nasl/command.rb

Class Method Summary collapse

Class Method Details

.all ⇒ Object 



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# File 'lib/nasl/command.rb', line 33

def self.all
  (@_all ||= [])
end
 


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# File 'lib/nasl/command.rb', line 49

def self.banner(title, width=80)
  # Create center of banner.
  middle = "[ #{title} ]"

  # Make sure width is a float.
  width = width.to_f

  # Create bars on either side.
  leftover = (width - middle.length) / 2
  left = '-' * leftover.floor
  right = '-' * leftover.ceil

  left + middle + right
end

.find(cmd) ⇒ Object 



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# File 'lib/nasl/command.rb', line 41

def self.find(cmd)
  all.each do |cls|
    return cls if cls.binding == cmd
  end

  nil
end

.inherited(cls) ⇒ Object 



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# File 'lib/nasl/command.rb', line 37

def self.inherited(cls)
  all << cls
end

.initialize! ⇒ Object 



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# File 'lib/nasl/command.rb', line 29

def self.initialize!
  Dir.glob(Nasl.lib + 'nasl/commands/*.rb').each { |f| load(f) }
end

.run(cfg, args) ⇒ Object 



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# File 'lib/nasl/command.rb', line 64

def self.run(cfg, args)
  # Separate plugins and libraries from the rest of the arguments.
  paths = args.select { |arg| arg =~ /(\/|\.(inc|nasl))$/ }
  args -= paths

  # If we have no paths to process, there's a problem. Special purpose
  # commands that don't require files to be declared should override this
  # method.
  if paths.empty?
    puts "No directories (/), libraries (.inc), or plugins (.nasl) were specified."
    exit 1
  end

  # Collect all the paths together, recursively.
  dirents = []
  paths.each do |path|
    Pathname.new(path).find do |dirent|
      if dirent.file? && dirent.extname =~ /inc|nasl/
        dirents << dirent
      end
    end
  end

  # If the command is capable of handling all the paths at once, send them
  # in a group, otherwise send them individually.
  if self.respond_to? :analyze_all then
    analyze_all(cfg, dirents, args)
  else
    dirents.each do |d|
      puts banner(d.basename)
      analyze(cfg, d, args)
      puts banner(d.basename)
    end
  end
end