Date: Tue, 30 Mar 1999 11:33:14 -0700 (MST) From: "Chad R. Larson" <chad@freebie.dcfinc.com> To: pfeifer@dbai.tuwien.ac.at (Gerald Pfeifer) Cc: ru@ucb.crimea.ua, dhesi@rahul.net, freebsd-stable@FreeBSD.ORG Subject: Re: 'make installworld' makes /var/mail world-not-writable Message-ID: <199903301833.LAA24075@freebie.dcfinc.com> In-Reply-To: <Pine.GSO.4.10.9903301657210.16716-100000@markab.dbai.tuwien.ac.at> from Gerald Pfeifer at "Mar 30, 99 04:59:19 pm"
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> On Tue, 30 Mar 1999, Ruslan Ermilov wrote:
> > /var/mail was never supposed to be world-writable.
> > The proper mode for it is 0775.
>
> Nope, the proper mode for /var/mail/ is rwxrwxrwt.
>
> How else is locking supposed to work? Or do you want to run all your
> mail user agents suid root?
The user agents are supposed to lock using the lockf(2) call on the
mailbox, which is owned by the user. Mail transport agents, on the
other hand, are supposed to run "set group id" to group "mail". The
permissions should be:
drwxrwxr-x 2 bin mail 512 Feb 24 19:16 /var/mail
-rw------- 1 chad sysadm 4593 Mar 30 11:28 /var/mail/chad
-crl
--
Chad R. Larson (CRL15) 602-953-1392 Brother, can you paradigm?
chad@dcfinc.com chad@larsons.org chad@anasazi.com larson1@home.net
DCF, Inc. - 14623 North 49th Place, Scottsdale, Arizona 85254-2207
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