1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25#include <sys/types.h>
26#include <bsm/audit.h>
27#include <bsm/libbsm.h>
28
29/*
30 * getfauditflags() - combines system event flag mask with user event
31 *	flag masks.
32 *
33 * input: usremasks->as_success - always audit on success
34 *	  usremasks->as_failure - always audit on failure
35 *	  usrdmasks->as_success - never audit on success
36 *	  usrdmasks->as_failure - never audit on failure
37 *
38 * output: lastmasks->as_success - audit on success
39 *	   lastmasks->as_failure - audit on failure
40 *
41 * returns:	 0 - ok
42 * 		-1 - error (cannot get attributable mask)
43 */
44int
45getfauditflags(au_mask_t *usremasks, au_mask_t *usrdmasks, au_mask_t *lastmasks)
46{
47	au_mask_t masks;
48
49	/* get system audit mask and convert to bit mask */
50	if (auditon(A_GETAMASK, (caddr_t)&masks, sizeof (masks)) == -1) {
51		return (-1);
52	}
53
54	/* combine system and user event masks */
55	lastmasks->as_success = masks.as_success;
56	lastmasks->as_failure = masks.as_failure;
57
58	lastmasks->as_success |= usremasks->as_success;
59	lastmasks->as_failure |= usremasks->as_failure;
60
61	lastmasks->as_success &= ~(usrdmasks->as_success);
62	lastmasks->as_failure &= ~(usrdmasks->as_failure);
63
64	return (0);
65}
66