45 lines
793 B
Ruby
45 lines
793 B
Ruby
|
module Rex
|
||
|
|
module Proto
|
||
|
|
module SMB
|
||
|
|
class Utils
|
||
|
|
|
||
|
|
require 'rex/text'
|
||
|
|
|
||
|
|
# Convert a standard ASCII string to 16-bit Unicode
|
||
|
|
def self.unicode (str)
|
||
|
|
str.unpack('C*').pack('v*')
|
||
|
|
end
|
||
|
|
|
||
|
|
# Convert a name to its NetBIOS equivalent
|
||
|
|
def self.nbname_encode (str)
|
||
|
|
encoded = ''
|
||
|
|
for x in (0..15)
|
||
|
|
if (x >= str.length)
|
||
|
|
encoded << 'CA'
|
||
|
|
else
|
||
|
|
c = str[x, 1].upcase[0]
|
||
|
|
encoded << [ (c / 16) + 0x41, (c % 16) + 0x41 ].pack('CC')
|
||
|
|
end
|
||
|
|
end
|
||
|
|
return encoded
|
||
|
|
end
|
||
|
|
|
||
|
|
# Convert a name from its NetBIOS equivalent
|
||
|
|
def self.nbname_decode (str)
|
||
|
|
decoded = ''
|
||
|
|
str << 'A' if str.length % 2 != 0
|
||
|
|
while (str.length > 0)
|
||
|
|
two = str.slice!(0, 2)
|
||
|
|
if (two.length == 2)
|
||
|
|
decoded << [ ((two[0] - 0x41) * 16) + two[1] - 0x41 ].pack('C')
|
||
|
|
end
|
||
|
|
end
|
||
|
|
return decoded
|
||
|
|
end
|
||
|
|
|
||
|
|
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|