If you put that in the file itself, there is not much point though?
If I do say:
if (md5($_SERVER['PHP_SELF'])<>'asda8sd6asd7'){ ...
Anyone with access to the file could just comment that out and the script
self check wouldn't work.
I have honestly no idea how that pearl file did it, but
you couldn't edit it without breaking it.
> You could store a table or a text file associating to each script its MD5
> hash string.
> check the PHP md5() function
>
> _________________________
> ----- Original Message -----
> From: "Ragnar" <Ragnar_7@xxxxxx>
> To: <php-windows@xxxxxxxxxxxxx>
> Sent: Monday, August 09, 2004 8:09 AM
> Subject: file self check
>
>
> > Hi everyone,
> >
> > I was just wondering how one would write a php script that would check
> > itself, if it has been tempered with before running, and if it has would
> not
> > work.
> >
> > I have seen Perl scripts that work in such a why, that is you edit only
> 1
> > char in the file and it will not run anymore, but I couldn't figure out
> > how that was done.
> >
> > Anyone ever done this with PHP before? Is it even possible?
> >
> > cheers,
> >
> > Ben
> >
> > --
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> >
>
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