Class: Watobo::NTLM::Message

Inherits:
FieldSet show all
Defined in:
lib/watobo/utils/ntlm.rb

Direct Known Subclasses

Type0, Type1, Type2, Type3

Defined Under Namespace

Classes: Type0, Type1, Type2, Type3

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from FieldSet

#[], #[]=, #disable, #enable, #initialize, int16LE, int32LE, int64LE, names, opts, #parse, prototypes, security_buffer, string, types

Constructor Details

This class inherits a constructor from Watobo::NTLM::FieldSet

Class Method Details

.decode64(str) ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 595

def decode64(str)
  parse(Base64.decode64(str))
end

.parse(str) ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 579

def parse(str)
  m = Type0.new
  m.parse(str)
  case m.type
  when 1
    t = Type1.parse(str)
  when 2
    t = Type2.parse(str)
  when 3
    t = Type3.parse(str)
  else
    raise ArgumentError, "unknown type: #{m.type}"
  end
  t
end

Instance Method Details

#data_edge ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 647

def data_edge
  security_buffers.map{ |n, f| f.active ? f.offset : size}.min
end

#data_size ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 627

def data_size
  security_buffers.inject(0){|sum, a| sum += a[1].data_size}
end

#decode64(str) ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 621

def decode64(str)
  parse(Base64.decode64(str))
end

#deflag ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 640

def deflag
  security_buffers.inject(head_size){|cur, a|
    a[1].offset = cur
    cur += a[1].data_size
  }
end

#dump_flags ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 608

def dump_flags
  FLAG_KEYS.each{ |k| print(k, "=", flag?(k), "\n") }
end

#encode64 ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 617

def encode64
  Base64.encode64(serialize).gsub(/\n/, '')
end

#has_flag?(flag) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/watobo/utils/ntlm.rb', line 600

def has_flag?(flag)
  (self[:flag].value & FLAGS[flag]) == FLAGS[flag]
end

#head_size ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 625

alias head_size size

#security_buffers ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 636

def security_buffers
  @alist.find_all{|n, f| f.instance_of?(SecurityBuffer)}
end

#serialize ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 612

def serialize
  deflag
  super + security_buffers.map{|n, f| f.value}.join
end

#set_flag(flag) ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 604

def set_flag(flag)
  self[:flag].value  |= FLAGS[flag]
end

#size ⇒ Object 



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# File 'lib/watobo/utils/ntlm.rb', line 631

def size
  head_size + data_size
end