Date: Fri, 30 Dec 2005 09:36:50 +0000 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: =?ISO-8859-15?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no> Cc: freebsd-current@freebsd.org, =?ISO-8859-15?Q?=C1d=E1m_Szilveszter?= <adamsz@mailpont.hu> Subject: Re: fetch extension - use local filename from content-disposition header Message-ID: <43B4FFB2.4090203@infracaninophile.co.uk> In-Reply-To: <86irt7dk5k.fsf@xps.des.no> References: <20051229193328.A13367@cons.org> <20051230021602.GA9026@pit.databus.com> <43B498DF.4050204@cyberwang.net> <43B49B22.7040307@gmail.com> <20051229220403.A16743@cons.org> <20051230053906.GA75942@pit.databus.com> <2440.193.68.33.1.1135932286.squirrel@193.68.33.1> <86irt7dk5k.fsf@xps.des.no>
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Dag-Erling Sm=F8rgrav wrote:
> =C1d=E1m Szilveszter <adamsz@mailpont.hu> writes:
>=20
>>You know, there are much bigger problems than that. For example the fac=
t,
>>that any vulnerability in fetch(1) or libfetch(3) is a remote root
>>compromise candidate on FreeBSD, because the Ports system still insists=
on
>>running it as root by default downloading distfiles from unchecked amd
>>potentially unsecure servers all over the Internet.=20
=20
> Wrong. If you go into a ports directory and type 'make install clean'
> as an unprivileged user, the only parts of the build that actually run
> with root privileges are the final portions of the installation
> sequence.
Not if you, as a naive user, take a freshly installed system and an
unmodified environment. You'll need to make a bunch of changes
before everything will run smoothly:
* Make /usr/ports/distfiles writable by user or set $DISTDIR to
a writable directory
* Make /var/db/ports writable by user or set $PORT_DBDIR to a=20
writable location
* Make each port directory writable -- so the the 'work' directories
can be created -- or set $WRKDIRPREFIX to a writable location.
And in fact, if you go on to do the same deal with $PKG_DBDIR and $PREFIX=
plus set $INSTALL_AS_USER then you can install most ports entirely as a
mortal user -- the exceptions being ports that want to run mtree(8) or th=
at
need to install programs with specific UID or GIDs.
Not setting $INSTALL_AS_USER means you'll be prompted to supply the root
password where needed at install time.
Cheers,
Matthew
--=20
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
Kent, CT11 9PW
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