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GETAUDIT_ADDR(2) System Calls Manual GETAUDIT_ADDR(2)

getaudit_addr, getaudit(NOW DEPRECATED) — retrieve audit session state

#include <bsm/audit.h>
#include <bsm/audit_session.h>

int
getaudit_addr(auditinfo_addr_t *auditinfo_addr, u_int length);

<bsm/audit.h> int (auditinfo_t *auditinfo)

The () system call retrieves extended state via auditinfo_addr and length. It uses the auditinfo_addr_t data structure supports Terminal IDs incuding those with larger addresses such as those used in IP version 6. It is defined as follows:




struct auditinfo_addr {
	au_id_t ai_auid; /* Audit user ID. */
	au_mask_t ai_mask; /* Audit masks. */
	au_tid_addr_t ai_termid; /* Terminal ID. */
	au_asid_t ai_asid; /* Audit session ID. */
	u_int64_t ai_flags; /* Audit session flags. */
};
typedef struct auditinfo_addr auditinfo_addr_t;


The ai_auid variable contains the audit
    identifier which is recorded in the audit log for each event the process
    caused.


The au_mask_t data structure defines the bit
    mask for auditing successful and failed events out of the predefined list of
    event classes. It is defined as follows:





struct au_mask {
	unsigned int am_success; /* success bits */
	unsigned int am_failure; /* failure bits */
};
typedef struct au_mask au_mask_t;


The au_tid_addr_t data structure which
    includes a larger address storage field and an additional field with the
    type of address stored:





struct au_tid_addr {
	dev_t at_port;
	u_int32_t at_type;
	u_int32_t at_addr[4];
};
typedef struct au_tid_addr au_tid_addr_t;


The ai_asid variable contains the audit
    session ID which is recorded with every event caused by the process.


The ai_flags variable contains flags that
    are opaque to the kernel and used by various consumers of the
    auditinfo_addr data. Please see the
    ⟨bsm/audit_session.h⟩ header file for
    more information and flag definitions for this platform.


Without appropriate privilege the audit mask fields will be set to
    all ones.


The
    ()
    system call (NOW DEPRECATED) retrieves the active audit session state for
    the current process via the auditinfo_t pointed to by
    auditinfo.


The auditinfo_t data structure (NOW
    DEPRECATED) is defined as follows:





struct auditinfo {
	au_id_t ai_auid; /* Audit user ID */
	au_mask_t ai_mask; /* Audit masks */
	au_tid_t ai_termid; /* Terminal ID */
	au_asid_t ai_asid; /* Audit session ID */
};
typedef struct auditinfo auditinfo_t;


The au_termid_t data structure (NOW
    DEPRECATED) defines the Terminal ID recorded with every event caused by the
    process. It is defined as follows:





struct au_tid {
	dev_t port;
	u_int32_t machine;
};
typedef struct au_tid au_tid_t;








The getaudit_addr() function returns the
    value 0 if successful; otherwise the value -1 is returned and
    the global variable errno is set to indicate the
    error.








The getaudit_addr() function will fail
  if:



  
[]

  
A failure occurred while data transferred to or from the kernel
    failed.

  
[]

  
Illegal argument was passed by a system call.

  
[]

  
The length argument indicates an overflow condition
      will occur.

  
[]

  
The address is too big.










audit(2), auditon(2),
    getauid(2), setaudit(2),
    setauid(2), libbsm(3)








The OpenBSM implementation was created by McAfee Research, the
    security division of McAfee Inc., under contract to Apple Computer Inc. in
    2004. It was subsequently adopted by the TrustedBSD Project as the
    foundation for the OpenBSM distribution.


getaudit_addr() replaced
    getaudit() in Mac OS X 10.7 to support longer
    terminal addresses such as those used by IP version 6.
    getaudit() is now deprecated and
    getaudit_addr() should be used instead.








This software was created by McAfee Research, the security
    research division of McAfee, Inc., under contract to Apple Computer Inc.
    Additional authors include Wayne Salamon,
    Robert Watson, and SPARTA Inc.


The Basic Security Module (BSM) interface to audit records and
    audit event stream format were defined by Sun Microsystems.


This manual page was written by Robert
    Watson ⟨rwatson@FreeBSD.org⟩ and
    Stacey Son ⟨sson@FreeBSD.org⟩.






March 6,
  2011 macOS