metasploit-framework/lib/rex/proto/dcerpc/handle.rb

49 lines
1.4 KiB
Ruby

# -*- coding: binary -*-
module Rex
module Proto
module DCERPC
class Handle
require 'rex/proto/dcerpc/uuid'
@@protocols = ['ncacn_ip_tcp', 'ncacn_ip_udp', 'ncacn_np', 'ncacn_http']
attr_accessor :uuid, :protocol, :address, :options
# instantiate a handle object, akin to Microsoft's string binding handle by values
def initialize(uuid, protocol, address, options)
raise ArgumentError if !Rex::Proto
raise ArgumentError if !Rex::Proto::DCERPC::UUID.is?(uuid[0])
raise ArgumentError if !@@protocols.include?(protocol)
self.uuid = uuid
self.protocol = protocol
self.address = address
self.options = options
end
# instantiate a handle object, by parsing a string binding handle
def self.parse (handle)
uuid_re = '[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}'
rev_re = '\d+.\d+'
proto_re = '(?:' + @@protocols.join('|') + ')'
re = Regexp.new("(#{uuid_re}):(#{rev_re})\@(#{proto_re}):(.*?)\\[(.*)\\]$", true, 'n')
match = re.match(handle)
raise ArgumentError if !match
uuid = [match[1], match[2]]
protocol = match[3]
address = match[4]
options = match[5].split(',')
i = Rex::Proto::DCERPC::Handle.new(uuid, protocol, address, options)
return i
end
# stringify a handle
def to_s
self.uuid.join(':') + '@' + self.protocol + ':' + self.address + '[' + self.options.join(', ') + ']'
end
end
end
end
end