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221 lines
6.5 KiB
Groff
221 lines
6.5 KiB
Groff
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.\"-
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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 AUTHORS 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 AUTHORS 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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.\" $P4: //depot/projects/trustedbsd/openbsm/libbsm/libbsm.3#3 $
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.\"
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.Dd April 19, 2005
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.Dt LIBBSM 3
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.Os
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.Sh NAME
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.Nm libbsm
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.Nd "Basic Security Module (BSM) Audit API"
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.Sh LIBRARY
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.Lb libbsm
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.Sh SYNOPSIS
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.In libbsm.h
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.Sh DESCRIPTION
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The
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.Nm
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library routines provide an interface to BSM audit record streams, allowing
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both the parsing of existing audit streams, as well as the creation of new
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audit records and streams.
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.Sh INTERFACES
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.Nm
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provides a large number of Audit programming interfaces in several classes:
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event stream interfaces, class interfaces, control interfaces, event
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interfaces, I/O interfaces, mask interfaces, notification interfaces, token
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interfaces, and user interfaces.
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These are described respectively in the
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.Xr au_stream 3 ,
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.Xr au_class 3 ,
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.Xr au_control 3 ,
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.Xr au_event 3 ,
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.Xr au_mask 3 ,
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.Xr au_notify 3 ,
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.Xr au_token 3 ,
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.Xr au_user 3
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man pages.
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.Ss Audit Event Stream Interfaces
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Audit event stream interfaces support interaction with file-backed audit
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event streams:
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.Xr au_free_token 3 ,
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.Xr au_free_token 3 ,
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.Xr au_open 3 ,
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.Xr au_write 3 ,
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.Xr au_close 3 .
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.Ss Audit Class Interfaces
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Audit class interfaces support the look up of information from the
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.Xr audit_class 5
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database:
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.Xr getauclassent 3 ,
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.Xr getauclassent_r 3 ,
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.Xr getauclassnam 3 ,
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.Xr getauclassnam_r 3 ,
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.Xr setauclass 3 ,
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.Xr endauclass 3 .
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.Ss Audit Control Interfaces
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Audit control interfaces support the look up of information from the
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.Xr audit_control 5
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database:
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.Xr setac 3 ,
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.Xr endac 3 ,
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.Xr getacdir 3 ,
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.Xr getacmin 3 ,
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.Xr getacflg 3 ,
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.Xr getacna 3 .
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.Ss Audit Event Interfaces
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Audit event interfaces support the look up of information from the
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.Xr audit_event 5
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database:
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.Xr setauevent 3 ,
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.Xr endauevent 3 ,
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.Xr getauevent 3 ,
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.Xr getauevent_r 3 ,
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.Xr getauevnam 3 ,
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.Xr getauevnam_r 3 ,
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.Xr getauevnum 3 ,
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.Xr getauevnum_r 3 ,
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.Xr getauevnonam 3 ,
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.Xr getauevnonam_r 3 ,
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.Ss Audit I/O Interfaces
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Audit I/O interfaces support the processing and printing of tokens, as well
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as the reading of audit records:
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.Xr au_fetch_tok 3 ,
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.Xr au_print_tok 3 ,
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.Xr au_read_rec 3 .
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.Ss Audit Mask Interfaces
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Audit mask interfaces convert support the conversion between strings and
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.Vt au_mask_t
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values.
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They may also be used to determine if a particular audit event is matched
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by a mask:
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.Xr au_preselect 3 ,
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.Xr getauditflagsbin 3 ,
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.Xr getauditflagschar 3 .
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.Ss Audit Notification Interfaces
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Audit notification routines track audit state in a form permitting efficient
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update, avoiding frequent system calls to check the kernel audit state:
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.Xr au_notify_initialize 3 ,
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.Xr au_notify_terminate 3 ,
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.Xr au_get_state 3 .
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These interfaces are implemented only for Darwin/Mac OS X.
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.Ss Audit Token Interface
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Audit token interfaces permit the creation of tokens for use in creating
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audit records for submission to event streams.
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Each interface converts a C type to its
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.Vt token_t
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representation.
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.Xr au_to_arg32 3 ,
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.Xr au_to_arg64 3 ,
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.Xr au_to_arg 3 ,
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.Xr au_to_attr64 3 ,
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.Xr au_to_data 3 ,
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.Xr au_to_exit 3 ,
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.Xr au_to_groups 3 ,
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.Xr au_to_newgroups 3 ,
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.Xr au_to_in_addr 3 ,
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.Xr au_to_in_addr_ex 3 ,
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.Xr au_to_ip 3 ,
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.Xr au_to_ipc 3 ,
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.Xr au_to_ipc_perm 3 ,
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.Xr au_to_iport 3 ,
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.Xr au_to_opaque 3 ,
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.Xr au_to_file 3 ,
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.Xr au_to_text 3 ,
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.Xr au_to_path 3 ,
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.Xr au_to_process32 3 ,
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.Xr au_to_process64 3 ,
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.Xr au_to_process 3 ,
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.Xr au_to_process32_ex 3 ,
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.Xr au_to_process64_ex 3 ,
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.Xr au_to_process_ex 3 ,
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.Xr au_to_return32 3 ,
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.Xr au_to_return64 3 ,
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.Xr au_to_return 3 ,
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.Xr au_to_seq 3 ,
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.Xr au_to_socket 3 ,
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.Xr au_to_socket_ex_32 3 ,
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.Xr au_to_socket_ex_128 3 ,
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.Xr au_to_sock_inet32 3 ,
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.Xr au_to_sock_inet128 3 ,
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.Xr au_to_sock_inet 3 ,
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.Xr au_to_subject32 3 ,
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.Xr au_to_subject64 3 ,
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.Xr au_to_subject 3 ,
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.Xr au_to_subject32_ex 3 ,
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.Xr au_to_subject64_ex 3 ,
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.Xr au_to_subject_ex 3 ,
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.Xr au_to_me 3 ,
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.Xr au_to_exec_args 3 ,
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.Xr au_to_exec_env 3 ,
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.Xr au_to_header32 3 ,
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.Xr au_to_header64 3 ,
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.Xr au_to_trailer 3 .
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.Ss Audit User Interfaces
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Audit user interfaces support the look up of information from the
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.Xr audit_user 5
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database:
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.Xr setauuser 3 ,
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.Xr endauuser 3 ,
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.Xr getauuserent 3 ,
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.Xr getauuserent_r 3 ,
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.Xr getauusernam 3 ,
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.Xr getauusernam_r 3 ,
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.Xr au_user_mask 3 ,
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.Xr getfauditflags 3 .
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.Sh SEE ALSO
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.Xr au_class 3 ,
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.Xr au_mask 3 ,
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.Xr au_notify 3 ,
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.Xr au_stream 3 ,
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.Xr au_token 3 ,
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.Xr au_user 3 ,
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.Xr audit_class 5 ,
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.Xr audit_control 5
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.Sh AUTHORS
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This software was created by Robert Watson, Wayne Salamon, and Suresh
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Krishnaswamy 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 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 BUGS
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Bugs would not be unlikely.
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.Pp
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The
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.Nm
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library implementations are generally thread-safe, but not reentrant.
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.Pp
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The assignment of routines to classes could use some work, as it is
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decidely ad hoc.
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For example,
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.Fn au_read_rec
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should probably be considered a stream routine.
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