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SETAUID(2)                                 BSD System Calls Manual                                SETAUID(2)

NAME
     setauid -- set audit indentifier

SYNOPSIS
     #include <bsm/audit.h>

     int
     setauid(au_id_t *auid);

DESCRIPTION
     The setauid() 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.

RETURN VALUES
     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.

ERRORS
     The setauid() function will fail if:

     [EFAULT]           A failure occurred while data transferred to the kernel failed.

     [EINVAL]           An invalid value for auid was used.  auid can be any value of type au_id_t except
                        AU_DEFAUDITID.

     [EPERM]            The process does not have sufficient permission to complete the operation.

SEE ALSO
     audit(2), auditon(2), getaudit(2), getaudit_addr(2), getauid(2), setaudit(2), setaudit_addr(2),
     libbsm(3)

HISTORY
     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.

AUTHORS
     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>.

BSD                                            March 21, 2009                                            BSD