Re: Sanitizing first class values

[George Georgalis <george@...>]

On Thu 04 Nov 2010 at 08:31:26 AM +0200, steve donovan wrote:
>On Thu, Nov 4, 2010 at 7:04 AM, George Georgalis <george@galis.org> wrote:
>> understand how it can be used while sanitizing user input data at
>> the same time? For example, never a good idea to shell-expand or
>> interpret user input. ?How are first class values any different
>> than this practice?
>
>Ah, but then sandboxing becomes important.  You can control the
>environment in which any user values/expressions are evaluated, so
>that no potentially harmful functions can be accessed.
>
>http://lua-users.org/wiki/SandBoxes
>

Thanks, Lua is quite a sophisticated language!

-George