From: Russ Cox <rsc@swtch.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] Drawterm /mnt/term permissions issue
Date: Thu, 4 Jun 2009 17:23:08 -0700 [thread overview]
Message-ID: <dd6fe68a0906041723x7133551pc2c729cc8470c8bf@mail.gmail.com> (raw)
In-Reply-To: <20090605005830.be53830c.eekee57@fastmail.fm>
On Thu, Jun 4, 2009 at 4:58 PM, Ethan Grammatikidis <eekee57@fastmail.fm> wrote:
> I run a plan 9 cpu server in Qemu and use drawterm to connect from the Linux host.
> I thought the /mnt/term mechanism would be very convenient for exchanging files
> between host & guest, but the guest sees all user/group names as
> unknown/unknown, preventing writing.
That's surprising. Drawterm isn't going around enforcing
permission bits: if it can write, it writes. What it shows
you in ls is what it gets from stat, but it doesn't rely on
that to make decisions about what you can open. It just
tries to open it.
http://cvs.pdos.csail.mit.edu/cvs/drawterm/kern/devfs-posix.c?rev=1.5;content-type=text%2Fplain
Russ
next prev parent reply other threads:[~2009-06-05 0:23 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-04 23:58 Ethan Grammatikidis
2009-06-05 0:23 ` Russ Cox [this message]
2009-06-05 5:20 ` Ethan Grammatikidis
2009-06-06 18:39 ` Skip Tavakkolian
2009-06-05 5:23 ` Ethan Grammatikidis
2009-06-05 5:40 ` erik quanstrom
2009-06-05 8:14 ` sqweek
2009-06-05 13:09 ` [9fans] I fail at bind WAS: " Ethan Grammatikidis
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