cvs commit: src/etc/rc.d auditd

Robert Watson rwatson at FreeBSD.org
Wed Dec 6 15:32:39 PST 2006


On Wed, 6 Dec 2006, Doug Barton wrote:

>>   Sleep for one second after calling audit -t to give the audit daemon a
>>   chance to actually terminate the audit service and exit.  Otherwise, on
>>   an rc.d/auditd restart, the new audit daemon instance may try to start
>>   auditing while the previous session is still running.  Likewise, this
>>   ensures a chance for auditd to terminate the audit trail at system
>>   shutdown.
>>
>>   Perhaps more ideally, the script would wait synchronously for auditd to
>>   exit rather than for an arbitrary but short period of time.
>
> Perhaps a better change would be:
>
> /usr/sbin/audit -t while : ; do).
> 	if <something that indicates audit is not dead yet>; then
> 		echo 'Waiting for the audit system to terminate'
> 		sleep 1
> 	else
> 		break
> 	fi
> done

Is there a built-in mechanism in rc.d to wait for a process to exit?  We'd 
like to wait for auditd to exit, specifically, as a sign that auditing really 
is terminated.  For a variety of reasons, it's complicated to modify the 
"audit -t" notification mechanism to wait synchronously for audit to 
terminate.  I have loose plans to work on it, but it will probably be a couple 
of months before that happens (6.3, definitely not 6.2

Robert N M Watson
Computer Laboratory
University of Cambridge


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