From mboxrd@z Thu Jan 1 00:00:00 1970 From: LC Bruzenak Subject: Re: user message limits Date: Wed, 28 Jan 2009 09:30:46 -0600 Message-ID: <1233156646.30154.113.camel@homeserver> References: <1233100868.30154.103.camel@homeserver> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Return-path: Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n0SFV4jr003535 for ; Wed, 28 Jan 2009 10:31:04 -0500 Received: from mail.magitekltd.com (rrcs-24-242-137-197.sw.biz.rr.com [24.242.137.197]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n0SFUlkR027898 for ; Wed, 28 Jan 2009 10:30:47 -0500 Received: from [24.242.137.194] (helo=[192.168.30.40]) by mail.magitekltd.com with esmtpsa (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.63) (envelope-from ) id 1LSCLh-0002Cq-1M for linux-audit@redhat.com; Wed, 28 Jan 2009 09:29:05 -0600 In-Reply-To: <1233100868.30154.103.camel@homeserver> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-audit-bounces@redhat.com Errors-To: linux-audit-bounces@redhat.com To: Linux Audit List-Id: linux-audit@redhat.com On Tue, 2009-01-27 at 18:01 -0600, LC Bruzenak wrote: > I know I can go look at the code, however I figured I'd ask here first > about the limits on the user message in both audit_log_user_message and > ausearch. >=20 > With audit_log_user_message the maximum length allowed appears to be > around MAX_AUDIT_MESSAGE_LENGTH-100. I think it may depend on the > executable name length (and other stuff auto-pushed into the string) > which is why I say "around". >=20 > Even when I get a successful return value (from audit_log_user_message)= , > I don't get my string back out in "ausearch" unless it is WAY smaller - > ~1K or less I think. >=20 > Any ideas/thoughts? >=20 > This is the latest (1.7.11-2) audit package. >=20 > Thx, > LCB. >=20 And FWIW the raw and interpreted ausearch results can be slightly different: [root@v157 ~]# ausearch -r -a 26539 node=3Dv157 type=3DTRUSTED_APP msg=3Daudit(1233155663.335:26539): user pid=3D14134 uid=3D500 auid=3D500 ses=3D17 subj=3Duser_u:user_r:user_t:s0-s15:c0.c1023 msg=3D'test mesg 111AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAX: exe=3D"/opt/jcdx/bin/audit-test" (hostname=3D?, addr=3D?, t' [root@v157 ~]# ausearch -i -a 26539 ---- node=3Dv157 type=3DTRUSTED_APP msg=3Daudit(01/28/2009 09:14:23.335:26539)= : user pid=3D14134 uid=3Dlcb auid=3Dlcb ses=3D17 subj=3Duser_u:user_r:user_t:s0-s15:c0.c1023 msg=3D'test mesg 111AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AAAAAAAAAX: exe=3D/opt/jcdx/bin/audit-test (hostname=3D?, addr=3D?, LCB. --=20 LC (Lenny) Bruzenak lenny@magitekltd.com