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# -*- coding: binary -*-
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module Msf
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module Ui
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###
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#
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# Module that contains some most excellent banners.
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#
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###
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module Banner
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  #
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  # Returns a specific metasploit logo. If the specified file is a relative path
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  # then the file will be searched for first in the included local directory,
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  # then in the user-specific directory.
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  #
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  def self.readfile(fname)
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    pathname = fname
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    unless File.absolute_path(pathname) == pathname
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      if File.readable?(File.join(::Msf::Config.logos_directory, fname))
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        pathname = File.join(::Msf::Config.logos_directory, fname)
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      elsif File.readable?(File.join(::Msf::Config.user_logos_directory, fname))
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        pathname = File.join(::Msf::Config.user_logos_directory, fname)
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      end
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    end
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    fdata = "<< Missing banner: #{pathname} >>"
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    begin
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      raise ArgumentError unless File.readable?(pathname)
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      raise ArgumentError unless File.stat(pathname).size < 65_536
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      fdata = File.open(pathname) {|f| f.read f.stat.size}
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    rescue SystemCallError, ArgumentError
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      nil
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    end
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    return fdata
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  end
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  def self.to_s
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    return self.readfile ENV['MSFLOGO'] if ENV['MSFLOGO']
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    logos = []
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    # Easter egg (always a cow themed logo): export/set GOCOW=1
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    if ENV['GOCOW']
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      logos.concat(Dir.glob(::Msf::Config.logos_directory + File::SEPARATOR + 'cow*.txt'))
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    # Easter egg (always a halloween themed logo): export/set THISISHALLOWEEN=1
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    elsif ( ENV['THISISHALLOWEEN'] || Time.now.strftime("%m%d") == "1031" )
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      logos.concat(Dir.glob(::Msf::Config.logos_directory + File::SEPARATOR + '*.hwtxt'))
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    elsif ( ENV['APRILFOOLSPONIES'] || Time.now.strftime("%m%d") == "0401" )
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      logos.concat(Dir.glob(::Msf::Config.logos_directory + File::SEPARATOR + '*.aftxt'))
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    else
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      logos.concat(Dir.glob(::Msf::Config.logos_directory + File::SEPARATOR + '*.txt'))
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      logos.concat(Dir.glob(::Msf::Config.user_logos_directory + File::SEPARATOR + '*.txt'))
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    end
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    logos = logos.map { |f| File.absolute_path(f) }
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    self.readfile logos[rand(logos.length)]
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  end
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end
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end
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end
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