client.rb in ruby_smb-3.3.11

- old
+ new
@@ -1,78 +1,7 @@
 module RubySMB::NTLM
-  module Message
-    def deflag
-      security_buffers.inject(head_size) do |cur, a|
-        a[1].offset = cur
-        cur += a[1].data_size
-        has_flag?(:UNICODE) ? cur + cur % 2 : cur
-      end
-    end
-
-    def serialize
-      deflag
-      @alist.map { |n, f| f.serialize }.join + security_buffers.map { |n, f| f.value + (has_flag?(:UNICODE) ? "\x00".b * (f.value.length % 2) : '') }.join
-    end
-  end
-
   class Client < Net::NTLM::Client
-    class Session < Net::NTLM::Client::Session
-      def authenticate!
-        calculate_user_session_key!
-        type3_opts = {
-          :lm_response   => is_anonymous? ? "\x00".b : lmv2_resp,
-          :ntlm_response => is_anonymous? ? '' : ntlmv2_resp,
-          :domain        => domain,
-          :user          => username,
-          :workstation   => workstation,
-          :flag          => (challenge_message.flag & client.flags)
-        }
-        t3 = Net::NTLM::Message::Type3.create type3_opts
-        t3.extend(Message)
-        if negotiate_key_exchange?
-          t3.enable(:session_key)
-          rc4 = OpenSSL::Cipher.new("rc4")
-          rc4.encrypt
-          rc4.key = user_session_key
-          sk = rc4.update exported_session_key
-          sk << rc4.final
-          t3.session_key = sk
-        end
-        t3
-      end
-
-      def is_anonymous?
-        username == '' && password == ''
-      end
-
-      private
-
-      def use_oem_strings?
-        # @see https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-nlmp/99d90ff4-957f-4c8a-80e4-5bfe5a9a9832
-        !challenge_message.has_flag?(:UNICODE) && challenge_message.has_flag?(:OEM)
-      end
-
-      def ntlmv2_hash
-        @ntlmv2_hash ||= RubySMB::NTLM.ntlmv2_hash(username, password, domain, {:client_challenge => client_challenge, :unicode => !use_oem_strings?})
-      end
-
-      def calculate_user_session_key!
-        if is_anonymous?
-          # see MS-NLMP section 3.4
-          @user_session_key = "\x00".b * 16
-        else
-          @user_session_key = OpenSSL::HMAC.digest(OpenSSL::Digest::MD5.new, ntlmv2_hash, nt_proof_str)
-        end
-      end
-    end
-
-    def init_context(resp = nil, channel_binding = nil)
-      if resp.nil?
-        @session = nil
-        type1_message
-      else
-        @session = Client::Session.new(self, Net::NTLM::Message.decode64(resp), channel_binding)
-        @session.authenticate!
-      end
-    end
+    # There was a bunch of code in here that was necessary in versions up to and including rubyntlm version 0.6.3.
+    # The class is kept because there are references to it that should be kept in place in case future alterations to
+    # rubyntlm are required.
   end
 end