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Manual page for getauevent(3)

getauevent, getauevnam, getauevnum, getauevnonam, setauevent, endauevent, getauevent_r, getauevnam_r, getauevnum_r - get audit_user entry

SYNOPSIS

cc [ flag ... ] file ... -lbsm -lsocket -lnsl -lintl [ library ... ]

#include <sys/param.h>
#include <bsm/libbsm.h>

struct au_event_ent *getauevent( void);

struct au_event_ent *getauevnam( char *name);

struct au_event_ent *getauevnum( au_event_t event_number);

au_event_t *getauevnonam( char *event_name);

void setauevent( void);

void endauevent( void);

struct au_event_ent *getauevent_r( au_event_ent_t *e, void);

struct au_event_ent *getauevnam_r( au_event_ent_t *e, char *name);

struct au_event_ent *getauevnum_r( au_event_ent_t *e, au_event_t event_number);

MT-LEVEL

MT-Safe with exceptions.

The functions getauevent(), getauevnam(), and getauevnum() are not MT-Safe; but, there are equivalent functions: getauevent_r(), getauevnam_r(), and getauevnum_r() - all of which provide the same functionality and a MT-Safe function call interface.

AVAILABILITY

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.

DESCRIPTION

getauevent(), getauevnam() , getauevnum() , getauevent() , getauevnam() , and getauevnum() , each return a pointer to an audit_event structure.

getauevent() and getauevent_r() enumerate audit_event entries: successive calls to these functions will return either successive audit_event entries or NULL.

getauevnam() and getauevnam_r() search for an audit_event entry with a given event name name.

getauevnum() and getauevnum_r() search for an audit_event entry with a given event number number.

getauevnonum() searches for an audit_event entry with a given event name name and returns the corresponding event number.

setauevent() ``rewinds'' to the beginning of the enumeration of audit_event entries. Calls to getauevnam(), getauevnum() , getauevnonum() , getauevnam_r() , or getauevnum_r() may leave the enumeration in an indeterminate state; so, setauevent() should be called before the first getauevent() or getauevent_r() .

endauevent() may be called to indicate that audit_event processing is complete; the system may then close any open audit_event file, deallocate storage, and so forth.

The three functions getauevent_r(), getauevnam_r(), and getauevnum_r(), each take an argument e which is a pointer to an au_event_ent_t. This pointer is returned on a successful function call. To assure there is enough space for the information returned, the applications programmer should be sure to allocate AU_EVENT_NAME_MAX and AU_EVENT_DESC_MAX bytes for the ae_name and ac_desc elements of the au_event_ent_t data structure.

The internal representation of an audit_event entry is an struct au_event_ent structure defined in <bsm/libbsm.h> with the following members:


	au_event_t	ae_number;
	char	*ae_name;
	char	*ae_desc;
	au_class_t	ae_class;

RETURN VALUES

getauevent(), getauevnam() and getauevnum() return a pointer to a struct au_event_ent if it successfully locates the requested entry; otherwise it returns NULL.

getauevnonam() returns an event number of type au_event_t if it successfully enumerates an entry; otherwise it returns NULL, indicating it could not find the requested event name.

FILES

/etc/security/audit_event: Maps audit event numbers to audit event names
/etc/passwd: Stores user-id to username mappings

NOTES

All information for the functions getauevent () , getauevnam () , and getauevnum () is contained in a static area, so it must be copied if it is to be saved.

Last modified 21/April/97