27 lines
563 B
Lua
27 lines
563 B
Lua
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assert(not io.safe, "re-execution of iosafe")
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local iosafe = io
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_G.io = {safe = true}
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local requiresafe = require
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_G.require = nil
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local ossafe = os
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_G.os = {safe = true}
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local savedir = OPT_SAVE_DIR
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function io.open(fn, mode)
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fn = fn:gsub("\\", "/")
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assert(not fn:find("[^a-zA-Z0-9%._ ]"), "illegal character in file name \""..fn.."\"")
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assert(not fn:find("%.%."), "illegal updir in file name \""..fn.."\"")
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fn = fn:gsub("^/", "")
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fn = savedir.."/"..fn
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print("access file \""..fn.."\"")
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return iosafe.open(fn, mode)
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end
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os.clock = ossafe.clock
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