Date: Tue, 15 Oct 2002 08:10:59 +0200 From: Roman Neuhauser <neuhauser@bellavista.cz> To: questions@FreeBSD.ORG Subject: Re: Running ipfw from a webpage/using php. Message-ID: <20021015061059.GS364@freepuppy.bellavista.cz> In-Reply-To: <20021014151236.GB49638@happy-idiot-talk.infracaninophi> References: <010101c2738e$ffcd2560$ec9e1ec4@staff.uunet.co.za> <3DAADA8B.55767D3A@liwing.de> <20021014151236.GB49638@happy-idiot-talk.infracaninophi>
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# m.seaman@infracaninophile.co.uk / 2002-10-14 16:12:36 +0100:
> On Mon, Oct 14, 2002 at 04:54:03PM +0200, Jens Rehsack wrote:
> > Patrick Holahan wrote:
>
> > > I need to run a root command (ipfw) from apache through php. (Yes, this is
> > > not very secure and I'm aware of this and if anyone has any better
> > > suggestions, please feel free to make them.)
>
> > is that the function you search:
> > string exec ( string command [, array output [, int return_var]])
>
> That will run as the UID of the webserver, usually www, which won't be
> very useful for doing stuff with ipfw.
>
> I'd grab sudo(8) or one of the alternatives from ports and very
> carefully craft a /usr/local/etc/sudoers file that lets the www UID
> run a specific ipfw command line without giving a password. Be very
> careful not to let the www UID make arbitrary changes to your firewall
> or you will discover the true meaning of pain in very short order.
> Remember to add www to the wheel group if you go this way.
this is IMO a better solution:
#!/bin/sh
[ -f /some/file ] && \
/your/command && \
/bin/rm -f /some/file
/etc/crontab:
* * * * * root /your/script
in the php script:
touch('/some/file');
> Oh, and good luck maintaining the integrity of your machine if you do
> implement this. You're going to need it...
not necessarily. implementation dependent. :)
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