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AU_CONTROL(3) FreeBSD Library Functions Manual AU_CONTROL(3) NAME setac, endac, getacdir, getacmin, getacfilesz, getacflg, getacna, getacpol, au_poltostr au_strtopol -- Look up information from the audit_control database LIBRARY Basic Security Module User Library (libbsm, -lbsm) SYNOPSIS #include <libbsm.h> void setac(void); void endac(void); int getacdir(char *name, int len); int getacmin(int *min_val); int getacfilesz(size_t *size_val); int getacflg(char *auditstr, int len); int getacna(char *auditstr, int len); int getacpol(char *auditstr, size_t len); ssize_t au_poltostr(long policy, size_t maxsize, char *buf); int au_strtopol(const char *polstr, long *policy); DESCRIPTION These interfaces may be used to look up information from the audit_control(5) database, which contains various audit-related adminis- trative parameters. setac() resets the database iterator to the beginning of the database; see the BUGS section for more information. sendac() closes the audit_control(5) database. getacdir() returns the name of the directory where log data is stored via the passed character buffer name of length len. getacmin() returns the minimum free disk space for the audit log target file system via the passed min_val variable. getacfilesz() returns the audit trail rotation size in the passed size_t buffer size_val. getacflg() returns the audit system flags via the the passed character buffer auditstr of length len. getacna() returns the non-attributable flags via the passed character buffer auditstr of length len. getacpol() returns the audit policy flags via the passed character buffer auditstr of length len. au_poltostr() converts a numeric audit policy mask, policy, value to a string in the passed character buffer buf of lenth maxsize. au_strtopol() converts an audit policy flags string, polstr, to a numeric audit policy mask returned via policy. RETURN VALULES getacdir(), getacmin(), getacflg(), getacna(), getacpol(), and au_strtopol() return 0 on success, or a negative value on failure, along with error information in errno. au_poltostr() returns a string length of 0 or more on success, or a nega- tive value on if there is a failure. Functions that return a string value will return a failure if there is insufficient room in the passed character buffer for the full string. SEE ALSO libbsm(3), audit_control(5) AUTHORS This software was created by Robert Watson, Wayne Salamon, and Suresh Krishnaswamy for McAfee Research, the security research division of McAfee, Inc., under contract to Apple Computer, Inc. The Basic Security Module (BSM) interface to audit records and audit event stream format were defined by Sun Microsystems. 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. BUGS These routines cannot currently distinguish between an entry not being found and an error accessing the database. The implementation should be changed to return an error via errno when NULL is returned. BUGS There is no reason for the setac() interface to be exposed as part of the public API, as it is called implicitly by other access functions and iteration is not supported. These interfaces inconsistently return various negative values depending on the failure mode, and do not always set errno on failure. FreeBSD 6.2 April 19, 2005 FreeBSD 6.2
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALULES | SEE ALSO | AUTHORS | HISTORY | BUGS | BUGS
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