1.\" Copyright (c) 2004 Apple Inc. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of Apple Inc. ("Apple") nor the names of 13.\" its contributors may be used to endorse or promote products derived 14.\" from this software without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR 20.\" ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26.\" POSSIBILITY OF SUCH DAMAGE. 27.\" 28.\" $P4: //depot/projects/trustedbsd/openbsm/man/audit_user.5#14 $ 29.\" 30.Dd January 4, 2008 31.Dt AUDIT_USER 5 32.Os 33.Sh NAME 34.Nm audit_user 35.Nd "events to be audited for given users" 36.Sh DESCRIPTION 37The 38.Nm 39file specifies which audit event classes are to be audited for the given users. 40If specified, these flags are combined with the system-wide audit flags in the 41.Xr audit_control 5 42file to determine which classes of events to audit for that user. 43These settings take effect when the user logs in. 44.Pp 45Each line maps a user name to a list of classes that should be audited and a 46list of classes that should not be audited. 47Entries are of the form: 48.Pp 49.D1 Ar username Ns : Ns Ar alwaysaudit Ns : Ns Ar neveraudit 50.Pp 51In the format above, 52.Ar alwaysaudit 53is a set of event classes that are always audited, and 54.Ar neveraudit 55is a set of event classes that should not be audited. 56These sets can indicate 57the inclusion or exclusion of multiple classes, and whether to audit successful 58or failed events. 59See 60.Xr audit_control 5 61for more information about audit flags. 62.Pp 63Example entries in this file are: 64.Bd -literal -offset indent 65root:lo,ad:no 66jdoe:-fc,ad:+fw 67.Ed 68.Pp 69These settings would cause login/logout and administrative events that 70are performed on behalf of user 71.Dq Li root 72to be audited. 73No failure events are audited. 74For the user 75.Dq Li jdoe , 76failed file creation events are audited, administrative events are 77audited, and successful file write events are never audited. 78.Sh IMPLEMENTATION NOTES 79Per-user and global audit preselection configuration are evaluated at time of 80login, so users must log out and back in again for audit changes relating to 81preselection to take effect. 82.Pp 83Audit record preselection occurs with respect to the audit identifier 84associated with a process, rather than with respect to the UNIX user or group 85ID. 86The audit identifier is set as part of the user credential context as part of 87login, and typically does not change as a result of running setuid or setgid 88applications, such as 89.Xr su 1 . 90This has the advantage that events that occur after running 91.Xr su 1 92can be audited to the original authenticated user, as required by CAPP, but 93may be surprising if not expected. 94.Sh FILES 95.Bl -tag -width ".Pa /etc/security/audit_user" -compact 96.It Pa /etc/security/audit_user 97.El 98.Sh SEE ALSO 99.Xr login 1 , 100.Xr su 1 , 101.Xr audit 4 , 102.Xr audit_class 5 , 103.Xr audit_control 5 , 104.Xr audit_event 5 105.Sh HISTORY 106The OpenBSM implementation was created by McAfee Research, the security 107division of McAfee Inc., under contract to Apple Computer Inc.\& in 2004. 108It was subsequently adopted by the TrustedBSD Project as the foundation for 109the OpenBSM distribution. 110.Sh AUTHORS 111.An -nosplit 112This software was created by McAfee Research, the security research division 113of McAfee, Inc., under contract to Apple Computer Inc. 114Additional authors include 115.An Wayne Salamon , 116.An Robert Watson , 117and SPARTA Inc. 118.Pp 119The Basic Security Module (BSM) interface to audit records and audit event 120stream format were defined by Sun Microsystems. 121