xref: /freebsd/sys/security/mac/mac_audit.c (revision f1e8bf6dd4ae5a1dc8ab028911da059811bd3a9c)
118717f69SRobert Watson /*-
218717f69SRobert Watson  * Copyright (c) 1999-2002 Robert N. M. Watson
318717f69SRobert Watson  * Copyright (c) 2001 Ilmar S. Habibulin
418717f69SRobert Watson  * Copyright (c) 2001-2004 Networks Associates Technology, Inc.
518717f69SRobert Watson  *
618717f69SRobert Watson  * This software was developed by Robert Watson and Ilmar Habibulin for the
718717f69SRobert Watson  * TrustedBSD Project.
818717f69SRobert Watson  *
918717f69SRobert Watson  * This software was developed for the FreeBSD Project in part by Network
1018717f69SRobert Watson  * Associates Laboratories, the Security Research Division of Network
1118717f69SRobert Watson  * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
1218717f69SRobert Watson  * as part of the DARPA CHATS research program.
1318717f69SRobert Watson  *
1418717f69SRobert Watson  * Redistribution and use in source and binary forms, with or without
1518717f69SRobert Watson  * modification, are permitted provided that the following conditions
1618717f69SRobert Watson  * are met:
1718717f69SRobert Watson  * 1. Redistributions of source code must retain the above copyright
1818717f69SRobert Watson  *    notice, this list of conditions and the following disclaimer.
1918717f69SRobert Watson  * 2. Redistributions in binary form must reproduce the above copyright
2018717f69SRobert Watson  *    notice, this list of conditions and the following disclaimer in the
2118717f69SRobert Watson  *    documentation and/or other materials provided with the distribution.
2218717f69SRobert Watson  *
2318717f69SRobert Watson  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
2418717f69SRobert Watson  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2518717f69SRobert Watson  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2618717f69SRobert Watson  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
2718717f69SRobert Watson  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2818717f69SRobert Watson  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2918717f69SRobert Watson  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
3018717f69SRobert Watson  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
3118717f69SRobert Watson  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3218717f69SRobert Watson  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3318717f69SRobert Watson  * SUCH DAMAGE.
3418717f69SRobert Watson  *
3518717f69SRobert Watson  * $FreeBSD$
3618717f69SRobert Watson  */
3718717f69SRobert Watson 
3818717f69SRobert Watson #include <sys/param.h>
3918717f69SRobert Watson #include <sys/module.h>
4018717f69SRobert Watson #include <sys/vnode.h>
4118717f69SRobert Watson 
4218717f69SRobert Watson #include <security/audit/audit.h>
4318717f69SRobert Watson 
4418717f69SRobert Watson #include <security/mac/mac_framework.h>
4518717f69SRobert Watson #include <security/mac/mac_internal.h>
4618717f69SRobert Watson #include <security/mac/mac_policy.h>
4718717f69SRobert Watson 
4818717f69SRobert Watson int
4918717f69SRobert Watson mac_check_proc_setaudit(struct ucred *cred, struct auditinfo *ai)
5018717f69SRobert Watson {
5118717f69SRobert Watson 	int error;
5218717f69SRobert Watson 
5318717f69SRobert Watson 	MAC_CHECK(check_proc_setaudit, cred, ai);
5418717f69SRobert Watson 
5518717f69SRobert Watson 	return (error);
5618717f69SRobert Watson }
5718717f69SRobert Watson 
5818717f69SRobert Watson int
59f1e8bf6dSRobert Watson mac_check_proc_setaudit_addr(struct ucred *cred, struct auditinfo_addr *aia)
60f1e8bf6dSRobert Watson {
61f1e8bf6dSRobert Watson 	int error;
62f1e8bf6dSRobert Watson 
63f1e8bf6dSRobert Watson 	MAC_CHECK(check_proc_setaudit_addr, cred, aia);
64f1e8bf6dSRobert Watson 
65f1e8bf6dSRobert Watson 	return (error);
66f1e8bf6dSRobert Watson }
67f1e8bf6dSRobert Watson 
68f1e8bf6dSRobert Watson int
6918717f69SRobert Watson mac_check_proc_setauid(struct ucred *cred, uid_t auid)
7018717f69SRobert Watson {
7118717f69SRobert Watson 	int error;
7218717f69SRobert Watson 
7318717f69SRobert Watson 	MAC_CHECK(check_proc_setauid, cred, auid);
7418717f69SRobert Watson 
7518717f69SRobert Watson 	return (error);
7618717f69SRobert Watson }
7718717f69SRobert Watson 
7818717f69SRobert Watson int
7918717f69SRobert Watson mac_check_system_audit(struct ucred *cred, void *record, int length)
8018717f69SRobert Watson {
8118717f69SRobert Watson 	int error;
8218717f69SRobert Watson 
8318717f69SRobert Watson 	MAC_CHECK(check_system_audit, cred, record, length);
8418717f69SRobert Watson 
8518717f69SRobert Watson 	return (error);
8618717f69SRobert Watson }
8718717f69SRobert Watson 
8818717f69SRobert Watson int
8918717f69SRobert Watson mac_check_system_auditctl(struct ucred *cred, struct vnode *vp)
9018717f69SRobert Watson {
9118717f69SRobert Watson 	int error;
9218717f69SRobert Watson 	struct label *vl;
9318717f69SRobert Watson 
9418717f69SRobert Watson 	ASSERT_VOP_LOCKED(vp, "mac_check_system_auditctl");
9518717f69SRobert Watson 
9618717f69SRobert Watson 	vl = (vp != NULL) ? vp->v_label : NULL;
9718717f69SRobert Watson 
9818717f69SRobert Watson 	MAC_CHECK(check_system_auditctl, cred, vp, vl);
9918717f69SRobert Watson 
10018717f69SRobert Watson 	return (error);
10118717f69SRobert Watson }
10218717f69SRobert Watson 
10318717f69SRobert Watson int
10418717f69SRobert Watson mac_check_system_auditon(struct ucred *cred, int cmd)
10518717f69SRobert Watson {
10618717f69SRobert Watson 	int error;
10718717f69SRobert Watson 
10818717f69SRobert Watson 	MAC_CHECK(check_system_auditon, cred, cmd);
10918717f69SRobert Watson 
11018717f69SRobert Watson 	return (error);
11118717f69SRobert Watson }
112