Verify object is player before checking privs (#2448)

This prevents a crash when a 'nil' digger is passed by the engine to
minetest.node_dig.

diff --git a/mods/default/functions.lua b/mods/default/functions.lua
index ceeeedc6dd3d02b1837a54b97d68bcd0d90176fe..0f3cb764ab088c6a603fa548c2bda689f6b8f385 100644 (file)
--- a/mods/default/functions.lua
+++ b/mods/default/functions.lua
@@ -573,7 +573,7 @@ minetest.register_abm({
 --
 
 function default.can_interact_with_node(player, pos)
-       if player then
+       if player and player:is_player() then
                if minetest.check_player_privs(player, "protection_bypass") then
                        return true
                end