From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Viro Subject: Re: Question about setting watches in auto-mounted directories in RHEL 5.2 Date: Sun, 30 Nov 2008 10:11:10 -0500 Message-ID: <20081130151040.GC14693@file.rdu.redhat.com> References: <200811300915.52390.sgrubb@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <200811300915.52390.sgrubb@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-audit-bounces@redhat.com Errors-To: linux-audit-bounces@redhat.com To: Steve Grubb Cc: Taylor_Tad@emc.com, linux-audit@redhat.com List-Id: linux-audit@redhat.com On Sun, Nov 30, 2008 at 09:15:52AM -0500, Steve Grubb wrote: > On Friday 21 November 2008 11:59:46 Taylor_Tad@emc.com wrote: > > I'd like to set a file system watch so that any activity in an > > auto-mounted directory is audited. > > You can't at this point in time. When the rule is loaded, it needs to resolve > the path down to a device and inode. If the file system is not mounted, it > cannot do this and the rule is rejected. > > > > It looks like just setting a watchon a parent directory isn't sufficient. For > > example, if I have directory path /dir1/dir2 and auto-mount something at > > /dir1/dir2/mount-dir, setting a file system watch on /dir1/dir2 doesn't > > detect activity in the auto-mounted subtree. > > True. > > > Looking at the auditctl man page, it looks like I'd have to issue a command > > like "/sbin/auditctl -q /dir1/dir2/mount-dir,/dir1/dir2" to tell the kernel > > to watch the newly mounted file system as well. > > Yes. > > > > Unfortunately, auto-mounts are, well, automatic, so there's no one to issue > > that command. You do realize that they are, in the end, done from userland? Which is the natural place to do that...