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comparison mod_storage_appendmap/mod_storage_appendmap.lua @ 2205:98354fbea63c

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mod_storage_appendmap: Prevent _ENV = false
author Kim Alvefur <zash@zash.se>
date Thu, 09 Jun 2016 11:47:55 +0200
parents 8f7083b980cf
children a2625a36c092
comparison
equal deleted inserted replaced
2204:affccf479f89 2205:98354fbea63c
30 end 30 end
31 31
32 function map:set_keys(user, keyvalues) 32 function map:set_keys(user, keyvalues)
33 local keys, values = {}, {}; 33 local keys, values = {}, {};
34 if _VERSION == "Lua 5.1" then 34 if _VERSION == "Lua 5.1" then
35 assert(not keyvalues._ENV, "'_ENV' is a restricted key"); 35 assert(keyvalues._ENV == nil, "'_ENV' is a restricted key");
36 end 36 end
37 for key, value in pairs(keyvalues) do 37 for key, value in pairs(keyvalues) do
38 module:log("debug", "user %s sets %q to %s", user, key, tostring(value)) 38 module:log("debug", "user %s sets %q to %s", user, key, tostring(value))
39 if type(key) ~= "string" or not key:find("^[%w_][%w%d_]*$") or key == "_ENV" then 39 if type(key) ~= "string" or not key:find("^[%w_][%w%d_]*$") or key == "_ENV" then
40 key = "_ENV[" .. dump(key) .. "]"; 40 key = "_ENV[" .. dump(key) .. "]";