add a NO RECV flag to the client call function

git-svn-id: file:///home/svn/framework3/trunk@10038 4d416f70-5f16-0410-b530-b9f4589650da

lib/rex/proto/dcerpc/client.rb

@@ -272,7 +272,7 @@ require 'rex/proto/smb/exceptions'
 	end
 
 	# Perform a DCE/RPC Function Call
-	def call(function, data)
+	def call(function, data, do_recv = true)
 
 		frag_size = data.length
 		if options['frag_size']
@@ -291,6 +291,8 @@ require 'rex/proto/smb/exceptions'
 			self.write(packet)
 		}
 
+		return true if not do_recv
+
 		raw_response = ''
 
 		begin