bin/124409: Bug by design in getfsfile(3) / needed sanity check for mountpoints

[Garrett Cooper]

The following reply was made to PR bin/124409; it has been noted by GNATS.

From: "Garrett Cooper" <yanefbsd at gmail.com>
To: bug-followup at freebsd.org
Cc:  
Subject: Re: bin/124409: Bug by design in getfsfile(3) / needed sanity check for mountpoints
Date: Mon, 9 Jun 2008 18:46:49 -0700

 On Mon, Jun 9, 2008 at 5:55 PM, Giorgos Keramidas
 <keramida at ceid.upatras.gr> wrote:
 > On Tue, 10 Jun 2008 03:53:41 +0300, Giorgos Keramidas <keramida at ceid.upatras.gr> wrote:
 >> On Mon, 9 Jun 2008 01:34:19 -0700, "Garrett Cooper" <yanefbsd at gmail.com> wrote:
 >>> Hi hackers,
 >>>       I have a question, pending a bug found in getfsfile(3) [1].
 >>>       Is there any possibility where a mountpoint be any value other
 >>> than a directory, a symlink, or "none", i.e. a flat file?
 >>> Thanks,
 >>> -Garrett
 >>>
 >>> References:
 >>> http://www.freebsd.org/cgi/query-pr.cgi?pr=bin/124409 (not fully in PR
 >>> database yet).
 >>
 >> It looks like could be 'fixed' by using realpath() on its argument.
 >> Then this should work fine:
 >>
 >>     # fsck /usr/
 >
 > I meant to write "It looks like getfsfile() could be 'fixed'...", but
 > the keyboard daemon ate a word there.
 
 Right. I'm just awaiting a quorum decision on hackers@ because I don't
 want to break existing functionality over what I think is correct.
 -Garrett