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| author | red-001 <red-001@outlook.ie> | 2017-01-28 16:24:25 +0000 |
|---|---|---|
| committer | Loïc Blot <nerzhul@users.noreply.github.com> | 2017-03-13 23:56:05 +0100 |
| commit | a50d07d39a76053328846d82a32bac61468bb16f (patch) | |
| tree | 4103d0f4b4f9ede76bba90d49a475b901f3fec64 /builtin/common/strict.lua | |
| parent | 92b45b2a189b703fc7cfc8ddbc09a7ad563a13bc (diff) | |
| download | minetest-a50d07d39a76053328846d82a32bac61468bb16f.tar.gz minetest-a50d07d39a76053328846d82a32bac61468bb16f.tar.bz2 minetest-a50d07d39a76053328846d82a32bac61468bb16f.zip | |
[CSM] Improve security for client-sided mods (#5100)
Diffstat (limited to 'builtin/common/strict.lua')
| -rw-r--r-- | builtin/common/strict.lua | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/builtin/common/strict.lua b/builtin/common/strict.lua index 23ba3d727..ccde9676b 100644 --- a/builtin/common/strict.lua +++ b/builtin/common/strict.lua @@ -3,6 +3,7 @@ -- This ignores mod namespaces (variables with the same name as the current mod). local WARN_INIT = false +local getinfo = debug.getinfo function core.global_exists(name) if type(name) ~= "string" then @@ -18,7 +19,7 @@ local declared = {} local warned = {} function meta:__newindex(name, value) - local info = debug.getinfo(2, "Sl") + local info = getinfo(2, "Sl") local desc = ("%s:%d"):format(info.short_src, info.currentline) if not declared[name] then local warn_key = ("%s\0%d\0%s"):format(info.source, @@ -42,7 +43,7 @@ end function meta:__index(name) - local info = debug.getinfo(2, "Sl") + local info = getinfo(2, "Sl") local warn_key = ("%s\0%d\0%s"):format(info.source, info.currentline, name) if not declared[name] and not warned[warn_key] and info.what ~= "C" then core.log("warning", ("Undeclared global variable %q accessed at %s:%s") |