xref: /titanic_41/usr/src/uts/common/syscall/auditsys.c (revision d24234c24aeaca4ca56ee3ac2794507968f274c4)
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 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include <sys/systm.h>
27 #include <sys/errno.h>
28 #include <sys/policy.h>
29 
30 #include <c2/audit.h>
31 
32 /*ARGSUSED1*/
33 int
34 auditsys(struct auditcalls *uap, rval_t *rvp)
35 {
36 	int err;
37 
38 	/*
39 	 * this ugly hack is because auditsys returns
40 	 * 0 for all cases except audit_active == 0
41 	 * and uap->code  == BSM_AUDITCTL || default)
42 	 */
43 
44 	if (!audit_active)
45 		return (ENOTSUP);
46 
47 	switch (uap->code) {
48 	case BSM_GETAUID:
49 	case BSM_SETAUID:
50 	case BSM_GETAUDIT:
51 	case BSM_SETAUDIT:
52 	case BSM_AUDIT:
53 		return (0);
54 	case BSM_AUDITCTL:
55 		if ((int)uap->a1 == A_GETCOND)
56 			err = secpolicy_audit_getattr(CRED());
57 		else
58 			/* FALLTHROUGH */
59 	default:
60 		/* Return a different error when not privileged */
61 		err = secpolicy_audit_config(CRED());
62 		if (err == 0)
63 			return (EINVAL);
64 		else
65 			return (err);
66 	}
67 }
68