From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jose Celestino <japc@co.sapo.pt>
Subject: Re: Question regardin deleting a file in /tmp directory
Date: Fri, 28 Mar 2008 15:51:57 +0000
Message-ID: <20080328155157.GD17605@co.sapo.pt>
References: <91df29a20803280823i3f259b7emb6504bd08d6461ac@mail.gmail.com>
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To: =?iso-8859-1?Q?M=E1rio?= Gamito <gamito@gmail.com>
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Words by M=E1rio Gamito [Fri, Mar 28, 2008 at 03:23:37PM +0000]:
> Hi,
>=20
> I have this PHP script (simplificated here), called delete_tmp.php
> that basically calls external commands:
>=20
> <?php
>=20
> $session_file =3D '/tmp/sess_89765'
>=20
> system(''rm -f' . ' ' . $session_file);
>=20
> ?>
>=20
> delete_tmp.php file is owned by gamito.users
>=20
> /tmp/sess_89765 file has permissions -rw------ and is owned by gamito=
=2Eusers
>=20
> My /tmp permissions are rwxrwxrwt and is owned by root.root
>=20
> I know that the the sticky bit only allows files to be deleted by
> their owners, the owner of the directory or by root.
>=20
> Never the less, i can switch to /tmp directory and delete sess_89765
> file as user gamito.
>=20
> If I run:
> $ php delete_tmp.php
>=20
> as root, it deletes sess_89765 file.
>=20
> But if I do the same has user gamito, it doesn't delete the file !!!
>=20
> Ideas ?
>=20

Yes, remove the -f.

--=20
Jose Celestino
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