Class: Msf::OptRegexp

Inherits:
OptBase show all
Defined in:
lib/msf/core/opt_regexp.rb

Overview

Regexp option

Instance Attribute Summary

Attributes inherited from OptBase

#advanced, #aliases, #conditions, #default, #desc, #enums, #evasion, #fallbacks, #max_length, #name, #owner, #regex, #required

Instance Method Summary collapse

Methods inherited from OptBase

#advanced?, #empty_required_value?, #evasion?, #initialize, #invalid_value_length?, #required?, #type?, #validate_on_assignment?

Constructor Details

This class inherits a constructor from Msf::OptBase

Instance Method Details

#display_value(value) ⇒ Object 



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# File 'lib/msf/core/opt_regexp.rb', line 38

def display_value(value)
  if value.kind_of?(Regexp)
    return value.source
  elsif value.kind_of?(String)
    return display_value(normalize(value))
  end
  super
end

#normalize(value) ⇒ Object 



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# File 'lib/msf/core/opt_regexp.rb', line 30

def normalize(value)
  if value.nil? || value.kind_of?(Regexp)
    value
  else
    Regexp.compile(value.to_s)
  end
end

#type ⇒ Object 



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# File 'lib/msf/core/opt_regexp.rb', line 11

def type
  return 'regexp'
end

#valid?(value, check_empty: true) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/msf/core/opt_regexp.rb', line 15

def valid?(value, check_empty: true)
  if check_empty && empty_required_value?(value)
    return false
  elsif value.nil?
    return true
  end

  begin
    Regexp.compile(value)
    return super
  rescue RegexpError, TypeError
    return false
  end
end