Audit reporting Invalid argument
Steve Grubb
sgrubb at redhat.com
Mon Jun 13 15:01:06 UTC 2016
On Monday, June 13, 2016 08:15:36 AM Bhagwat, Shriniketan Manjunath wrote:
> Hi,
>
> Is it possible to start and stop the user written audit plug-in while auditd
> and audispd running? As I understand, audispd is started by auditd. Audispd
> starts the user plug-in program using their configuration files present in
> /etc/audisp/plugins.d directory. Auditd and user plug-in are started and
> stopped as part of auditd startup and stop. Is it possible to start the
> user plug-in after the auditd is started and stop the user plug-in before
> the auditd is stopped?
There is nothing that prevents you from sending a SIGTERM to the plugin if you
are root. The plugin will be restarted when the next event arrives to audispd.
-Steve
> -----Original Message-----
> From: Steve Grubb [mailto:sgrubb at redhat.com]
> Sent: Monday, May 16, 2016 6:24 PM
> To: Bhagwat, Shriniketan Manjunath <shriniketan.bhagwat at hpe.com>
> Cc: linux-audit at redhat.com
> Subject: Re: Audit reporting Invalid argument
>
> On Saturday, May 14, 2016 09:40:05 AM Bhagwat, Shriniketan Manjunath wrote:
> > > Not today. The check for uid 0 is a poor man's check for
> > > CAP_AUDIT_CONTROL
> >
> > Are there any future plans to support enabling audit from non root
> > user using CAP_AUDIT_CONTROL?
>
> You are the only person who has asked for it. I suppose it can be done in a
> couple lines of code. But you still have the permissions of the directories
> that hold the rules to correct. Easy to fix, but I think you might be
> fighting the distribution's package manager which would set things back to
> root every update.
> > Regarding suppression of events, I will do some testing and let you
> > know later.
> >
> > Is there a way I can avoid default logging of the audit events to
> > /var/log/audit/audit.log?
>
> If you have an old copy old the audit system (2.5.1 or earlier) then use
> log_format = NOLOG. If you have a current copy, then use write_logs = no.
>
> -Steve
>
> > I do not want audit to log audit events to audit.log, however I will
> > capture them using my plug-in. Is there a way I can accomplish this? I
> > tried to commenting the log_file filed from auditd.conf, however the
> > events are still written to audit.log. I think below code from
> > auditd-config.c is causing audit to write to audit.log
> >
> > config->log_file = strdup("/var/log/audit/audit.log");
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