move wait_status to a mixin

lib/msf/core/module/external.rb

@@ -0,0 +1,23 @@
+module Msf::Module::External
+  def wait_status(mod)
+    while mod.running
+      m = mod.get_status
+      if m
+        case m['level']
+        when 'error'
+          print_error m['message']
+        when 'warning'
+          print_warning m['message']
+        when 'good'
+          print_good m['message']
+        when 'info'
+          print_status m['message']
+        when 'debug'
+          vprint_status m['message']
+        else
+          print_status m['message']
+        end
+      end
+    end
+  end
+end

lib/msf/core/modules/external/remote_exploit_cmd_stager.erb

@@ -1,8 +1,10 @@
 require 'msf/core/modules/external/bridge'
+require 'msf/core/module/external'
 
 class MetasploitModule < Msf::Exploit::Remote
   Rank = ExcellentRanking
 
+  include Msf::Module::External
   include Msf::Exploit::CmdStager
 
   def initialize(info = {})
@@ -49,26 +51,4 @@ class MetasploitModule < Msf::Exploit::Remote
     print_status("Exploiting...")
     execute_cmdstager({:flavor  => :wget})
   end
-
-  def wait_status(mod)
-    while mod.running
-      m = mod.get_status
-      if m
-        case m['level']
-        when 'error'
-          print_error m['message']
-        when 'warning'
-          print_warning m['message']
-        when 'good'
-          print_good m['message']
-        when 'info'
-          print_status m['message']
-        when 'debug'
-          vprint_status m['message']
-        else
-          print_status m['message']
-        end
-      end
-    end
-  end
 end