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module Net
module NTLM
class SecurityBuffer < FieldSet
int16LE :length, {:value => 0}
int16LE :allocated, {:value => 0}
int32LE :offset, {:value => 0}
attr_accessor :active
def initialize(opts={})
super()
@value = opts[:value]
@active = opts[:active].nil? ? true : opts[:active]
@size = 8
end
def parse(str, offset=0)
if @active and str.size >= offset + @size
super(str, offset)
@value = str[self.offset, self.length]
@size
else
0
end
end
def serialize
super if @active
end
def value
@value
end
def value=(val)
@value = val
self.length = self.allocated = val.size
end
def data_size
@active ? @value.size : 0
end
end
end
end
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