epan/wslua/template-init.lua

   1 -- init.lua
   2 --
   3 -- initialize wireshark's lua
   4 --
   5 --  This file is going to be executed before any other lua script.
   6 --  It can be used to load libraries, disable functions and more.
   7 --
   8 -- $Id$
   9 --
  10 -- Wireshark - Network traffic analyzer
  11 -- By Gerald Combs <gerald@wireshark.org>
  12 -- Copyright 1998 Gerald Combs
  13 --
  14 -- This program is free software; you can redistribute it and/or
  15 -- modify it under the terms of the GNU General Public License
  16 -- as published by the Free Software Foundation; either version 2
  17 -- of the License, or (at your option) any later version.
  18 --
  19 -- This program is distributed in the hope that it will be useful,
  20 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 -- GNU General Public License for more details.
  23 --
  24 -- You should have received a copy of the GNU General Public License
  25 -- along with this program; if not, write to the Free Software
  26 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  27
  28 -- Set disable_lua to true to disable Lua support.
  29 disable_lua = false
  30
  31 if disable_lua then
  32     return
  33 end
  34
  35 -- If set and we are running with special privileges this setting
  36 -- tells whether scripts other than this one are to be run.
  37 run_user_scripts_when_superuser = false
  38
  39
  40 -- disable potentialy harmful lua functions when running superuser
  41 if running_superuser then
  42     local hint = "has been disabled due to running Wireshark as superuser. See http://wiki.wireshark.org/CaptureSetup/CapturePrivileges for help in running Wireshark as an unprivileged user."
  43     local disabled_lib = {}
  44     setmetatable(disabled_lib,{ __index = function() error("this package ".. hint) end } );
  45
  46     dofile = function() error("dofile " .. hint) end
  47     loadfile = function() error("loadfile " .. hint) end
  48     loadlib = function() error("loadlib " .. hint) end
  49     require = function() error("require " .. hint) end
  50     os = disabled_lib
  51     io = disabled_lib
  52     file = disabled_lib
  53 end
  54
  55 -- to avoid output to stdout which can cause problems lua's print ()
  56 -- has been suppresed so that it yields an error.
  57 -- have print() call info() instead.
  58 if gui_enabled() then
  59     print = info
  60 end
  61
  62 function typeof(obj)
  63     local mt = getmetatable(obj)
  64     return mt and mt.__typeof or type(obj)
  65 end
  66
  67 -- %WTAP_ENCAPS%
  68
  69 -- %WTAP_FILETYPES%
  70
  71 -- %FT_TYPES%
  72
  73 -- %BASES%
  74
  75 -- %ENCODINGS%
  76
  77 -- %EXPERT%
  78
  79 -- %MENU_GROUPS%
  80
  81 -- other useful constants
  82 GUI_ENABLED = gui_enabled()
  83 DATA_DIR = datafile_path()
  84 USER_DIR = persconffile_path()
  85
  86 dofile(DATA_DIR.."console.lua")
  87 --dofile(DATA_DIR.."dtd_gen.lua")