From: sofar <sofar+github@foo-projects.org>
Date: Thu, 6 Dec 2018 23:29:43 +0000 (-0800)
Subject: Prevent crash if some mod inadvertently allowed doors to rotate
X-Git-Tag: 5.0.0~20
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=667e130c52af62494e12721384279181b3738ff6;p=oweals%2Fminetest_game.git

Prevent crash if some mod inadvertently allowed doors to rotate
---

diff --git a/mods/doors/init.lua b/mods/doors/init.lua
index 2685357a..789bbb0c 100644
--- a/mods/doors/init.lua
+++ b/mods/doors/init.lua
@@ -162,6 +162,14 @@ function _doors.door_toggle(pos, node, clicker)
 	end
 
 	local dir = node.param2
+
+	-- It's possible param2 is messed up, so, validate before using
+	-- the input data. This indicates something may have rotated
+	-- the door, even though that is not supported.
+	if not transform[state + 1] or not transform[state + 1][dir + 1] then
+		return false
+	end
+
 	if state % 2 == 0 then
 		minetest.sound_play(def.door.sounds[1],
 			{pos = pos, gain = 0.3, max_hear_distance = 10})