getfaudflgs.c

操作系统SunOS 4.1.3版本的源码

#if !defined(lint) && defined(SCCSIDS)
static  char sccsid[] = "@(#)getfaudflgs.c 1.1 92/07/30 Copyr 1987 Sun Micro"; /* c2 secure */
#endif

#include <sys/types.h>
#include <sys/label.h>
#include <sys/audit.h>

#define MAXSTRLEN 360

/*	getfaudflgs.c */

/*
 * getfauditflags() - combines system event flag mask with user event
 *                               flag masks.
 *
 * input: usremasks->as_success - always audit on success
 *        usremasks->as_failure - always audit on failure
 *        usrdmasks->as_success - never audit on success
 *        usrdmasks->as_failure - never audit on failure
 *
 * output: lastmasks->as_success - audit on success
 *         lastmasks->as_failure - audit on failure
 *
 * returns:  0 - ok
 *          -1 - error
 */

getfauditflags(usremasks, usrdmasks, lastmasks)
audit_state_t *usremasks;
audit_state_t *usrdmasks;
audit_state_t *lastmasks;
{	 
	int len = MAXSTRLEN, retstat = 0;
	char s_auditstring[MAXSTRLEN];
	audit_state_t masks;
 
	masks.as_success = 0;
	masks.as_failure = 0;
	/* 
	 * get system audit mask and convert to bit mask 
	 */
	if ((getacflg(s_auditstring, len)) >= 0)  {
		if ((getauditflagsbin(s_auditstring, &masks)) != 0)
	        	retstat = -1;
	} else
		retstat = -1;
 
	/* 
	 * combine system and user event masks 
	 */
	if (retstat == 0) {
		lastmasks->as_success = masks.as_success;
		lastmasks->as_failure = masks.as_failure;
 
		lastmasks->as_success |= usremasks->as_success;
		lastmasks->as_failure |= usremasks->as_failure;
 
		lastmasks->as_success &= ~(usrdmasks->as_success);
		lastmasks->as_failure &= ~(usrdmasks->as_failure);
	}
	return (retstat);
}