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SETAUID(2) System Calls Manual SETAUID(2)

setauidset audit indentifier

#include <bsm/audit.h>

setauid(au_id_t *auid);

The () system call sets the active audit identifier for the current process from the au_id_t pointed to by auid. The value of AU_DEFAUDITID (-1) should not be used for auid.

This system call requires an appropriate privilege to complete.

Once the audit identifier is set to some other value than AU_DEAUDITID (-1) then it is immutable. This system call may be used to set the audit identifier after initially setting up the audit session with the setaudit(2), or setaudit_addr(2) system call.

Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the error.

The setauid() function will fail if:

A failure occurred while data transferred to the kernel failed.
An invalid value for auid was used. auid can be any value of type au_id_t except AU_DEFAUDITID.
The process does not have sufficient permission to complete the operation.

audit(2), auditon(2), getaudit(2), getaudit_addr(2), getauid(2), setaudit(2), setaudit_addr(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.

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 ⟨⟩ and Stacey Son ⟨⟩.

March 21, 2009 macOS