Re: securing a script that exec()s

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Find a way to do it using PHP's imagemagick extensions

On Fri, Mar 30, 2012 at 5:56 AM, rene7705 <rene7705@xxxxxxxxx> wrote:

> Hi.
> I have a script that uses imagemagick's convert command on the commandline
> to get it's work done.
> These calls to exec('convert [params]') take params from the end-user via a
> html form, so is very unsecure.
> The intention is that the end-user only runs this script on localhost, from
> localhost.
> So now i'm checking $_SERVER['REMOTE_ADDR']===$_SERVER['SERVER_ADDR'] to
> see if I can allow the script to be used.
> But unfortunately, $_SERVER['REMOTE_ADDR'] is my external IP, and
> $_SERVER['SERVER_ADDR'] is my internal IP.
> How would I best fix this?

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