Date: Wed, 14 Oct 1998 23:02:57 -0400 From: "Allen Smith" <easmith@beatrice.rutgers.edu> To: Don Lewis <Don.Lewis@tsc.tdk.com> Cc: security@FreeBSD.ORG Subject: R/O root FS (was Re: Booting from NT ?) Message-ID: <9810142302.ZM4747@beatrice.rutgers.edu> In-Reply-To: Don Lewis <Don.Lewis@tsc.tdk.com> "Re: Booting from NT ?" (Sep 28, 4:41am) References: <199809280840.BAA03201@salsa.gv.tsc.tdk.com>
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On Sep 28, 4:41am, Don Lewis (possibly) wrote: > On Sep 28, 2:20am, "Allen Smith" wrote: > } Subject: Re: Booting from NT ? > > } Question... what does happen if one has a R/O root filesystem, > } including /dev, without DEVFS? I'm constructing a firewall computer > } with a (switchable - a nice facility of some Seagate drives) hard > } drive for root, a second writeable drive for /var and swap, and a /tmp > } MFS. What problems am I likely to run into with /dev? I'd really > } prefer not to have it as a symlink to /var/dev or some such... > > You won't be able to chown() and chmod() the tty devices when you log in. > Before /dev/log was made a symlink to /var/run/log, syslogd wouldn't be > able to create /dev/log. Ah. Given that login_fbtab.c in both -stable and -current uses chown, not lchown, and chmod follows symbolic links, then symlinking just the /dev/tty*, /dev/console, and /dev/pcaudio* files to /var/dev should work. Thanks, -Allen -- Allen Smith easmith@beatrice.rutgers.edu To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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