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Contents
module RubySMB
module Nbss
# Representation of the NetBIOS Name as defined in
# [4.1. NAME FORMAT](https://tools.ietf.org/html/rfc1002#section-4.1) and
# [14. REPRESENTATION OF NETBIOS NAMES](https://tools.ietf.org/html/rfc1001#section-14) and
# [Domain name representation and compression](https://tools.ietf.org/html/rfc883#page-31)
class NetbiosName < BinData::Primitive
endian :big
bit1 :flag1, initial_value: 0
bit1 :flag2, initial_value: 0
bit6 :label_length
string :label, read_length: -> { label_length }
string :null_label, read_length: 1, value: "\x00"
def nb_name_encode(name)
encoded_name = ''
name.each_byte do |char|
first_half = (char >> 4) + 'A'.ord
second_half = (char & 0xF) + 'A'.ord
encoded_name << first_half.chr
encoded_name << second_half.chr
end
encoded_name
end
def nb_name_decode(encoded_name)
name = encoded_name.scan(/../).map do |char_pair|
first_half = char_pair[0];
second_half = char_pair[1]
char = ((first_half.ord - 'A'.ord) << 4) + (second_half.ord - 'A'.ord)
char.chr
end
name.join
end
def get
nb_name_decode(label)
end
def set(label)
self.label = nb_name_encode(label)
self.label_length = self.label.length
end
end
end
end
Version data entries
59 entries across 59 versions & 1 rubygems