<s>
OpenBSM	B-Device
is	O
an	O
open	O
source	O
implementation	O
of	O
Sun	O
's	O
Basic	B-Device
Security	I-Device
Module	I-Device
(	O
BSM	O
)	O
Audit	O
API	B-Application
and	O
file	O
format	O
.	O
</s>
<s>
OpenBSM	B-Device
includes	O
system	O
include	O
files	O
appropriate	O
for	O
inclusion	O
in	O
an	O
operating	B-General_Concept
system	I-General_Concept
implementation	O
of	O
Audit	O
,	O
libbsm	O
,	O
an	O
implementation	O
of	O
the	O
BSM	O
library	O
interfaces	O
for	O
generating	O
,	O
parsing	O
,	O
and	O
managing	O
audit	O
records	O
,	O
auditreduce	O
and	O
praudit	O
,	O
audit	O
reduction	O
and	O
printing	O
tools	O
,	O
API	B-Application
documentation	I-Application
,	O
and	O
sample	O
configuration	O
files	O
.	O
</s>
<s>
Works	O
in	O
progress	O
include	O
extensions	O
to	O
the	O
libbsm	O
API	B-Application
to	O
support	O
easier	O
audit	O
trail	O
analysis	O
,	O
including	O
a	O
pattern	O
matching	O
library	O
.	O
</s>
<s>
OpenBSM	B-Device
is	O
derived	O
from	O
the	O
BSM	O
audit	O
implementation	O
found	O
in	O
Apple	O
's	O
open	O
source	O
Darwin	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
,	O
which	O
upon	O
request	O
,	O
Apple	O
relicensed	O
under	O
a	O
BSD	B-Operating_System
licence	I-Operating_System
to	O
allow	O
for	O
integration	O
into	O
FreeBSD	B-Operating_System
and	O
other	O
systems	O
.	O
</s>
<s>
The	O
Darwin	B-Operating_System
BSM	O
implementation	O
was	O
created	O
by	O
McAfee	O
Research	O
under	O
contract	O
to	O
Apple	O
,	O
and	O
has	O
since	O
been	O
extensively	O
extended	O
by	O
the	O
volunteer	O
TrustedBSD	O
team	O
.	O
</s>
<s>
OpenBSM	B-Device
is	O
included	O
in	O
FreeBSD	B-Operating_System
as	O
of	O
version	O
6.2	O
and	O
later	O
,	O
and	O
has	O
been	O
announced	O
as	O
a	O
Mac	O
OS	O
X	O
Snow	O
Leopard	O
feature	O
.	O
</s>
