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Merge branch 'master' into 'master'

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Fix crash when lua tubes are DoSed.

See merge request VanessaE/pipeworks!8
This commit is contained in:
Vanessa Dannenberg 2019-01-15 23:39:29 +00:00
commit 27eb2ca9de
1 changed files with 4 additions and 1 deletions
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lua_tube.lua
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@ -333,8 +333,11 @@ local safe_globals = {
} }
local function create_environment(pos, mem, event) local function create_environment(pos, mem, event)
-- Gather variables for the environment -- Make sure the tube hasn't broken.
local vports = minetest.registered_nodes[minetest.get_node(pos).name].virtual_portstates local vports = minetest.registered_nodes[minetest.get_node(pos).name].virtual_portstates
if not vports then return {} end
-- Gather variables for the environment
local vports_copy = {} local vports_copy = {}
for k, v in pairs(vports) do vports_copy[k] = v end for k, v in pairs(vports) do vports_copy[k] = v end
local rports = get_real_port_states(pos) local rports = get_real_port_states(pos)