minetest_hardmode/mods/campfire/config.txt

--config file.
--Change the following line if you want torches to burn infinitly. 
--(true/false)
--when true torches will burn out after a day.
finite_torches = true

--Do you want smoke bombs and molotov cocktails, these can be dangerous in the hands of griefers.
--(true/false)
pyromania = true