au_open(3BSM) Security and Auditing Library Functions au_open(3BSM)NAME
au_open, au_close, au_write - construct and write audit records
SYNOPSIS
cc [ flag... ] file... -lbsm-lsocket -lnsl [ library... ]
#include <bsm/libbsm.h>
int au_close(int d, int keep, short event);
int au_open(void);
int au_write(int d, token_t *m);
DESCRIPTION
The au_open() function returns an audit record descriptor to which
audit tokens can be written using au_write(). The audit record descrip‐
tor is an integer value that identifies a storage area where audit
records are accumulated.
The au_close() function terminates the life of an audit record d of
type event started by au_open(). If the keep parameter is
AU_TO_NO_WRITE, the data contained therein is discarded. If the keep
parameter is AU_TO_WRITE, the additional parameters are used to create
a header token. Depending on the audit policy information obtained by
auditon(2), additional tokens such as sequence and trailer tokens can
be added to the record. The au_close() function then writes the record
to the audit trail by calling audit(2). Any memory used is freed by
calling free(3C).
The au_write() function adds the audit token pointed to by m to the
audit record identified by the descriptor d. After this call is made
the audit token is no longer available to the caller.
RETURN VALUES
Upon successful completion, au_open() returns an audit record descrip‐
tor. If a descriptor could not be allocated, au_open() returns −1 and
sets errno to indicate the error.
Upon successful completion, au_close() returns 0. If d is an invalid
or corrupted descriptor or if audit() fails, au_close() returns −1
without setting errno. If audit() fails, errno is set to one of the
error values described on the audit(2) manual page.
Upon successful completion, au_write() returns 0. If d is an invalid
descriptor or m is an invalid token, or if audit() fails, au_write()
returns −1 without setting errno. If audit() fails, errno is set to one
of the error values described on the audit(2) manual page.
ERRORS
The au_open() function will fail if:
ENOMEM The physical limits of the system have been exceeded such
that sufficient memory cannot be allocated.
EAGAIN There is currently insufficient memory available. The appli‐
cation can try again later.
ATTRIBUTES
See attributes (5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Interface Stability │Stable (Obsolete) │
├─────────────────────────────┼─────────────────────────────┤
│MT-Level │MT-Safe │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSObsmconv(1M), audit(2), auditon(2), au_preselect(3BSM), au_to(3BSM),
free(3C), attributes(5)NOTES
The functionality described on this manual page is available only if
the Basic Security Module (BSM) has been enabled. See bsmconv(1M) for
more information.
These functions are Obsolete and may be replaced with equivalent func‐
tionality in a future release.
SunOS 5.10 31 Mar 2005 au_open(3BSM)
