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.\"-
.\" Copyright (c) 2005 Robert N. M. Watson
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $P4: //depot/projects/trustedbsd/openbsm/libbsm/au_control.3#3 $
.\"
.Dd April 19, 2005
.Dt AU_CONTROL 3
.Os
.Sh NAME
.Nm setac ,
.Nm endac ,
.Nm getacdir ,
.Nm getacmin ,
.Nm getacflg ,
.Nm getacna
.Nd "Look up information from the audit_control database"
.Sh LIBRARY
.Lb libbsm
.Sh SYNOPSIS
.In libbsm.h
.Ft void
.Fn setac "void"
.Ft void
.Fn endac "void"
.Ft int
.Fn getacdir "char *name" "int len"
.Ft int
.Fn getacmin "int *min_val"
.Ft int
.Fn getacflg "char *auditstr" "int len"
.Ft int
.Fn getacna "char *auditstr" "int len"
.Sh DESCRIPTION
These interfaces may be used to look up information from the
.Xr audit_control 5
database, which contains various audit-related administrative parameters.
.Pp
.Fn setac
resets the database iterator to the beginning of the database; see the
BUGS section for more information.
.Pp
.Fn sendac
closes the
.Xr audit_control 5
database.
.Pp
.Fn getacdir
returns the name of the directory where log data is stored via the passed
character buffer
.Va name
of length
.Va len .
.Pp
.Fn getacmin
returns the minimum free disk space for the audit log target file system via
the passed
.Va min_val
variable.
.Pp
.Fn getacflg
returns the audit system flags via the the passed character buffer
.Va auditstr
of length
.Va len .
.Pp
.Fn getacna
returns the non-attributable flags via the passed character buffer
.Va auditstr
of length
.Va len .
.Sh RETURN VALULES
.Fn getacdir ,
.Fn getacmin ,
.Fn getacflg ,
and
.Fn getacna
return 0 on success, or a negative value on failure, along with error
information in
.Va errno .
Functions that return a string value will return a failure if there is
insufficient room in the passed character buffer for the full string.
.Sh SEE ALSO
.Xr libbsm 3 ,
.Xr audit_control 5
.Sh AUTHORS
This software was created by Robert Watson, Wayne Salamon, and Suresh
Krishnaswamy for McAfee Research, the security research division of McAfee,
Inc., under contract to Apple Computer, Inc.
.Pp
The Basic Security Module (BSM) interface to audit records and audit event
stream format were defined by Sun Microsystems.
.Sh HISTORY
The OpenBSM implementation was created by McAfee Research, the security
division of McAfee Inc., under contract to Apple Computer, Inc., in 2004.
It was subsequently adopted by the TrustedBSD Project as the foundation for
the OpenBSM distribution.
.Sh BUGS
These routines cannot currently distinguish between an entry not being found
and an error accessing the database.
The implementation should be changed to return an error via
.Va errno
when
.Dv NULL
is returned.
.Sh BUGS
There is no reason for the
.Fn setac
interface to be exposed as part of the public API, as it is called implicitly
by other access functions and iteration is not supported.
.Pp
These interfaces inconsistently return various negative values depending on
the failure mode, and do not always set
.Va errno
on failure.
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