155 lines
4.4 KiB
Groff
155 lines
4.4 KiB
Groff
.\"-
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.\" Copyright (c) 2005-2006 Robert N. M. Watson
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd April 19, 2005
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.Dt AU_USER 3
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.Os
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.Sh NAME
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.Nm setauuser ,
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.Nm endauuser ,
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.Nm getauuserent ,
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.Nm getauuserent_r ,
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.Nm getauusernam ,
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.Nm getauusernam_r ,
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.Nm au_user_mask ,
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.Nm getfauditflags
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.Nd "look up information from the audit_user database"
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.Sh LIBRARY
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.Lb libbsm
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.Sh SYNOPSIS
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.In bsm/libbsm.h
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.Ft void
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.Fn setauuser void
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.Ft void
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.Fn endauuser void
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.Ft "struct au_user_ent *"
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.Fn getauuserent void
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.Ft "struct au_user_ent *"
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.Fn getauuserent_r "struct au_user_ent *u"
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.Ft "struct au_user_ent *"
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.Fn getauusernam "const char *name"
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.Ft "struct au_user_ent *"
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.Fn getauusernam_r "struct au_user_ent *u" "const char *name"
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.Ft int
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.Fn au_user_mask "char *username" "au_mask_t *mask_p"
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.Ft int
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.Fo getfauditflags
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.Fa "au_mask_t *usremask" "au_mask_t *usrdmask" "au_mask_t *lastmask"
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.Fc
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.Sh DESCRIPTION
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These interfaces may be used to look up information from the
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.Xr audit_user 5
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database, which describes per-user audit configuration.
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Audit user entries are described by a
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.Vt au_user_ent ,
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which stores the user's name in
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.Va au_name ,
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events to always audit in
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.Va au_always ,
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and events never to audit
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.Va au_never .
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.Pp
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The
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.Fn getauuserent
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function
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returns the next user found in the
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.Xr audit_user 5
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database, or the first if the function has not yet been called.
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.Dv NULL
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will be returned if no further records are available.
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.Pp
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The
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.Fn getauusernam
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function
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looks up a user by name.
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.Dv NULL
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will be returned if no matching class can be found.
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.Pp
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The
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.Fn setauuser
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function
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resets the iterator through the
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.Xr audit_user 5
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database, causing the next call to
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.Fn getauuserent
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to start again from the beginning of the file.
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.Pp
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The
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.Fn endauuser
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function
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closes the
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.Xr audit_user 5
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database, if open.
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.Pp
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The
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.Fn au_user_mask
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function
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calculates a new session audit mask to be returned via
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.Fa mask_p
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for the user identified by
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.Fa username .
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If the user audit configuration is not found, the default system audit
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properties returned by
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.Xr getacflg 3
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are used.
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The resulting mask may be set via a call to
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.Xr setaudit 2
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or related variants.
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.Pp
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The
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.Fn getfauditflags
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function generates a new process audit state by combining the audit masks
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passed as parameters with the system audit masks.
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.Sh SEE ALSO
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.Xr setaudit 2 ,
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.Xr getacflg 3 ,
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.Xr libbsm 3 ,
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.Xr audit_user 5
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.Sh HISTORY
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The OpenBSM implementation was created by McAfee Research, the security
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division of McAfee Inc., under contract to Apple Computer, Inc., in 2004.
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It was subsequently adopted by the TrustedBSD Project as the foundation for
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the OpenBSM distribution.
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.Sh AUTHORS
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.An -nosplit
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This software was created by
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.An Robert Watson ,
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.An Wayne Salamon ,
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and
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.An Suresh Krishnaswamy
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for McAfee Research, the security research division of McAfee,
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Inc., under contract to Apple Computer, Inc.
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.Pp
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The Basic Security Module (BSM) interface to audit records and audit event
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stream format were defined by Sun Microsystems.
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.Sh BUGS
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These routines cannot currently distinguish between an entry not being found
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and an error accessing the database.
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The implementation should be changed to return an error via
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.Va errno
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when
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.Dv NULL
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is returned.
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