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Security and Auditing Library Functionsau_open(3BSM)


NAME

 au_open, au_close, au_write - construct and write audit records

SYNOPSIS

 
cc [ flag ... ] file ... -lbsm  -lsocket  -lnsl  -lintl [ 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 descriptor 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 descriptor. 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 application can try again later.

ATTRIBUTES

 

See attributes (5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE
Interface StabilityStable
MT-LevelMT-Safe

SEE ALSO

 

bsmconv(1M), audit(2), auditon(2), au_preselect(3BSM), au_to(3BSM), free(3C), attributes(5)

NOTES

 

The functionality described in this man page is available only if the Basic Security Module (BSM) has been enabled. See bsmconv(1M) for more information.


SunOS 5.9Go To TopLast Changed 15 Jan 2002

 
      
      
Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.