audit_syscalls.c revision 182754
1/*-
2 * Copyright (c) 1999-2005 Apple Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: head/sys/security/audit/audit_syscalls.c 182754 2008-09-04 13:06:36Z des $");
32
33#include "opt_mac.h"
34
35#include <sys/param.h>
36#include <sys/mount.h>
37#include <sys/namei.h>
38#include <sys/priv.h>
39#include <sys/proc.h>
40#include <sys/sysproto.h>
41#include <sys/systm.h>
42#include <sys/vnode.h>
43#include <sys/jail.h>
44
45#include <bsm/audit.h>
46#include <bsm/audit_kevents.h>
47
48#include <security/audit/audit.h>
49#include <security/audit/audit_private.h>
50#include <security/mac/mac_framework.h>
51
52#ifdef AUDIT
53
54/*
55 * System call to allow a user space application to submit a BSM audit record
56 * to the kernel for inclusion in the audit log.  This function does little
57 * verification on the audit record that is submitted.
58 *
59 * XXXAUDIT: Audit preselection for user records does not currently work,
60 * since we pre-select only based on the AUE_audit event type, not the event
61 * type submitted as part of the user audit data.
62 */
63/* ARGSUSED */
64int
65audit(struct thread *td, struct audit_args *uap)
66{
67	int error;
68	void * rec;
69	struct kaudit_record *ar;
70
71	if (jailed(td->td_ucred))
72		return (ENOSYS);
73	error = priv_check(td, PRIV_AUDIT_SUBMIT);
74	if (error)
75		return (error);
76
77	if ((uap->length <= 0) || (uap->length > audit_qctrl.aq_bufsz))
78		return (EINVAL);
79
80	ar = currecord();
81
82	/*
83	 * If there's no current audit record (audit() itself not audited)
84	 * commit the user audit record.
85	 */
86	if (ar == NULL) {
87
88		/*
89		 * This is not very efficient; we're required to allocate a
90		 * complete kernel audit record just so the user record can
91		 * tag along.
92		 *
93		 * XXXAUDIT: Maybe AUE_AUDIT in the system call context and
94		 * special pre-select handling?
95		 */
96		td->td_ar = audit_new(AUE_NULL, td);
97		if (td->td_ar == NULL)
98			return (ENOTSUP);
99		ar = td->td_ar;
100	}
101
102	if (uap->length > MAX_AUDIT_RECORD_SIZE)
103		return (EINVAL);
104
105	rec = malloc(uap->length, M_AUDITDATA, M_WAITOK);
106
107	error = copyin(uap->record, rec, uap->length);
108	if (error)
109		goto free_out;
110
111	/* Verify the record. */
112	if (bsm_rec_verify(rec) == 0) {
113		error = EINVAL;
114		goto free_out;
115	}
116
117#ifdef MAC
118	error = mac_system_check_audit(td->td_ucred, rec, uap->length);
119	if (error)
120		goto free_out;
121#endif
122
123	/*
124	 * Attach the user audit record to the kernel audit record.  Because
125	 * this system call is an auditable event, we will write the user
126	 * record along with the record for this audit event.
127	 *
128	 * XXXAUDIT: KASSERT appropriate starting values of k_udata, k_ulen,
129	 * k_ar_commit & AR_COMMIT_USER?
130	 */
131	ar->k_udata = rec;
132	ar->k_ulen  = uap->length;
133	ar->k_ar_commit |= AR_COMMIT_USER;
134
135	/*
136	 * Currently we assume that all preselection has been performed in
137	 * userspace.  We unconditionally set these masks so that the records
138	 * get committed both to the trail and pipe.  In the future we will
139	 * want to setup kernel based preselection.
140	 */
141	ar->k_ar_commit |= (AR_PRESELECT_USER_TRAIL | AR_PRESELECT_USER_PIPE);
142	return (0);
143
144free_out:
145	/*
146	 * audit_syscall_exit() will free the audit record on the thread even
147	 * if we allocated it above.
148	 */
149	free(rec, M_AUDITDATA);
150	return (error);
151}
152
153/*
154 *  System call to manipulate auditing.
155 */
156/* ARGSUSED */
157int
158auditon(struct thread *td, struct auditon_args *uap)
159{
160	struct ucred *newcred, *oldcred;
161	int error;
162	union auditon_udata udata;
163	struct proc *tp;
164
165	if (jailed(td->td_ucred))
166		return (ENOSYS);
167	AUDIT_ARG(cmd, uap->cmd);
168
169#ifdef MAC
170	error = mac_system_check_auditon(td->td_ucred, uap->cmd);
171	if (error)
172		return (error);
173#endif
174
175	error = priv_check(td, PRIV_AUDIT_CONTROL);
176	if (error)
177		return (error);
178
179	if ((uap->length <= 0) || (uap->length > sizeof(union auditon_udata)))
180		return (EINVAL);
181
182	memset((void *)&udata, 0, sizeof(udata));
183
184	/*
185	 * Some of the GET commands use the arguments too.
186	 */
187	switch (uap->cmd) {
188	case A_SETPOLICY:
189	case A_SETKMASK:
190	case A_SETQCTRL:
191	case A_SETSTAT:
192	case A_SETUMASK:
193	case A_SETSMASK:
194	case A_SETCOND:
195	case A_SETCLASS:
196	case A_SETPMASK:
197	case A_SETFSIZE:
198	case A_SETKAUDIT:
199	case A_GETCLASS:
200	case A_GETPINFO:
201	case A_GETPINFO_ADDR:
202	case A_SENDTRIGGER:
203		error = copyin(uap->data, (void *)&udata, uap->length);
204		if (error)
205			return (error);
206		AUDIT_ARG(auditon, &udata);
207		break;
208	}
209
210	/*
211	 * XXXAUDIT: Locking?
212	 */
213	switch (uap->cmd) {
214	case A_GETPOLICY:
215		if (!audit_fail_stop)
216			udata.au_policy |= AUDIT_CNT;
217		if (audit_panic_on_write_fail)
218			udata.au_policy |= AUDIT_AHLT;
219		if (audit_argv)
220			udata.au_policy |= AUDIT_ARGV;
221		if (audit_arge)
222			udata.au_policy |= AUDIT_ARGE;
223		break;
224
225	case A_SETPOLICY:
226		if (udata.au_policy & ~(AUDIT_CNT|AUDIT_AHLT|AUDIT_ARGV|
227		    AUDIT_ARGE))
228			return (EINVAL);
229		/*
230		 * XXX - Need to wake up waiters if the policy relaxes?
231		 */
232		audit_fail_stop = ((udata.au_policy & AUDIT_CNT) == 0);
233		audit_panic_on_write_fail = (udata.au_policy & AUDIT_AHLT);
234		audit_argv = (udata.au_policy & AUDIT_ARGV);
235		audit_arge = (udata.au_policy & AUDIT_ARGE);
236		break;
237
238	case A_GETKMASK:
239		udata.au_mask = audit_nae_mask;
240		break;
241
242	case A_SETKMASK:
243		audit_nae_mask = udata.au_mask;
244		break;
245
246	case A_GETQCTRL:
247		udata.au_qctrl = audit_qctrl;
248		break;
249
250	case A_SETQCTRL:
251		if ((udata.au_qctrl.aq_hiwater > AQ_MAXHIGH) ||
252		    (udata.au_qctrl.aq_lowater >= udata.au_qctrl.aq_hiwater) ||
253		    (udata.au_qctrl.aq_bufsz > AQ_MAXBUFSZ) ||
254		    (udata.au_qctrl.aq_minfree < 0) ||
255		    (udata.au_qctrl.aq_minfree > 100))
256			return (EINVAL);
257
258		audit_qctrl = udata.au_qctrl;
259		/* XXX The queue delay value isn't used with the kernel. */
260		audit_qctrl.aq_delay = -1;
261		break;
262
263	case A_GETCWD:
264		return (ENOSYS);
265		break;
266
267	case A_GETCAR:
268		return (ENOSYS);
269		break;
270
271	case A_GETSTAT:
272		return (ENOSYS);
273		break;
274
275	case A_SETSTAT:
276		return (ENOSYS);
277		break;
278
279	case A_SETUMASK:
280		return (ENOSYS);
281		break;
282
283	case A_SETSMASK:
284		return (ENOSYS);
285		break;
286
287	case A_GETCOND:
288		if (audit_enabled && !audit_suspended)
289			udata.au_cond = AUC_AUDITING;
290		else
291			udata.au_cond = AUC_NOAUDIT;
292		break;
293
294	case A_SETCOND:
295		if (udata.au_cond == AUC_NOAUDIT)
296			audit_suspended = 1;
297		if (udata.au_cond == AUC_AUDITING)
298			audit_suspended = 0;
299		if (udata.au_cond == AUC_DISABLED) {
300			audit_suspended = 1;
301			audit_shutdown(NULL, 0);
302		}
303		break;
304
305	case A_GETCLASS:
306		udata.au_evclass.ec_class = au_event_class(
307		    udata.au_evclass.ec_number);
308		break;
309
310	case A_SETCLASS:
311		au_evclassmap_insert(udata.au_evclass.ec_number,
312		    udata.au_evclass.ec_class);
313		break;
314
315	case A_GETPINFO:
316		if (udata.au_aupinfo.ap_pid < 1)
317			return (ESRCH);
318		if ((tp = pfind(udata.au_aupinfo.ap_pid)) == NULL)
319			return (ESRCH);
320		if ((error = p_cansee(td, tp)) != 0) {
321			PROC_UNLOCK(tp);
322			return (error);
323		}
324		if (tp->p_ucred->cr_audit.ai_termid.at_type == AU_IPv6) {
325			PROC_UNLOCK(tp);
326			return (EINVAL);
327		}
328		udata.au_aupinfo.ap_auid =
329		    tp->p_ucred->cr_audit.ai_auid;
330		udata.au_aupinfo.ap_mask.am_success =
331		    tp->p_ucred->cr_audit.ai_mask.am_success;
332		udata.au_aupinfo.ap_mask.am_failure =
333		    tp->p_ucred->cr_audit.ai_mask.am_failure;
334		udata.au_aupinfo.ap_termid.machine =
335		    tp->p_ucred->cr_audit.ai_termid.at_addr[0];
336		udata.au_aupinfo.ap_termid.port =
337		    (dev_t)tp->p_ucred->cr_audit.ai_termid.at_port;
338		udata.au_aupinfo.ap_asid =
339		    tp->p_ucred->cr_audit.ai_asid;
340		PROC_UNLOCK(tp);
341		break;
342
343	case A_SETPMASK:
344		if (udata.au_aupinfo.ap_pid < 1)
345			return (ESRCH);
346		newcred = crget();
347		if ((tp = pfind(udata.au_aupinfo.ap_pid)) == NULL) {
348			crfree(newcred);
349			return (ESRCH);
350		}
351		if ((error = p_cansee(td, tp)) != 0) {
352			PROC_UNLOCK(tp);
353			crfree(newcred);
354			return (error);
355		}
356		oldcred = tp->p_ucred;
357		crcopy(newcred, oldcred);
358		newcred->cr_audit.ai_mask.am_success =
359		    udata.au_aupinfo.ap_mask.am_success;
360		newcred->cr_audit.ai_mask.am_failure =
361		    udata.au_aupinfo.ap_mask.am_failure;
362		td->td_proc->p_ucred = newcred;
363		PROC_UNLOCK(tp);
364		crfree(oldcred);
365		break;
366
367	case A_SETFSIZE:
368		if ((udata.au_fstat.af_filesz != 0) &&
369		   (udata.au_fstat.af_filesz < MIN_AUDIT_FILE_SIZE))
370			return (EINVAL);
371		audit_fstat.af_filesz = udata.au_fstat.af_filesz;
372		break;
373
374	case A_GETFSIZE:
375		udata.au_fstat.af_filesz = audit_fstat.af_filesz;
376		udata.au_fstat.af_currsz = audit_fstat.af_currsz;
377		break;
378
379	case A_GETPINFO_ADDR:
380		if (udata.au_aupinfo_addr.ap_pid < 1)
381			return (ESRCH);
382		if ((tp = pfind(udata.au_aupinfo_addr.ap_pid)) == NULL)
383			return (ESRCH);
384		udata.au_aupinfo_addr.ap_auid =
385		    tp->p_ucred->cr_audit.ai_auid;
386		udata.au_aupinfo_addr.ap_mask.am_success =
387		    tp->p_ucred->cr_audit.ai_mask.am_success;
388		udata.au_aupinfo_addr.ap_mask.am_failure =
389		    tp->p_ucred->cr_audit.ai_mask.am_failure;
390		udata.au_aupinfo_addr.ap_termid =
391		    tp->p_ucred->cr_audit.ai_termid;
392		udata.au_aupinfo_addr.ap_asid =
393		    tp->p_ucred->cr_audit.ai_asid;
394		PROC_UNLOCK(tp);
395		break;
396
397	case A_GETKAUDIT:
398		return (ENOSYS);
399		break;
400
401	case A_SETKAUDIT:
402		return (ENOSYS);
403		break;
404
405	case A_SENDTRIGGER:
406		if ((udata.au_trigger < AUDIT_TRIGGER_MIN) ||
407		    (udata.au_trigger > AUDIT_TRIGGER_MAX))
408			return (EINVAL);
409		return (audit_send_trigger(udata.au_trigger));
410
411	default:
412		return (EINVAL);
413	}
414
415	/*
416	 * Copy data back to userspace for the GET comands.
417	 */
418	switch (uap->cmd) {
419	case A_GETPOLICY:
420	case A_GETKMASK:
421	case A_GETQCTRL:
422	case A_GETCWD:
423	case A_GETCAR:
424	case A_GETSTAT:
425	case A_GETCOND:
426	case A_GETCLASS:
427	case A_GETPINFO:
428	case A_GETFSIZE:
429	case A_GETPINFO_ADDR:
430	case A_GETKAUDIT:
431		error = copyout((void *)&udata, uap->data, uap->length);
432		if (error)
433			return (error);
434		break;
435	}
436
437	return (0);
438}
439
440/*
441 * System calls to manage the user audit information.
442 */
443/* ARGSUSED */
444int
445getauid(struct thread *td, struct getauid_args *uap)
446{
447	int error;
448
449	if (jailed(td->td_ucred))
450		return (ENOSYS);
451	error = priv_check(td, PRIV_AUDIT_GETAUDIT);
452	if (error)
453		return (error);
454	return (copyout(&td->td_ucred->cr_audit.ai_auid, uap->auid,
455	    sizeof(td->td_ucred->cr_audit.ai_auid)));
456}
457
458/* ARGSUSED */
459int
460setauid(struct thread *td, struct setauid_args *uap)
461{
462	struct ucred *newcred, *oldcred;
463	au_id_t id;
464	int error;
465
466	if (jailed(td->td_ucred))
467		return (ENOSYS);
468	error = copyin(uap->auid, &id, sizeof(id));
469	if (error)
470		return (error);
471	audit_arg_auid(id);
472	newcred = crget();
473	PROC_LOCK(td->td_proc);
474	oldcred = td->td_proc->p_ucred;
475	crcopy(newcred, oldcred);
476#ifdef MAC
477	error = mac_proc_check_setauid(oldcred, id);
478	if (error)
479		goto fail;
480#endif
481	error = priv_check_cred(oldcred, PRIV_AUDIT_SETAUDIT, 0);
482	if (error)
483		goto fail;
484	newcred->cr_audit.ai_auid = id;
485	td->td_proc->p_ucred = newcred;
486	PROC_UNLOCK(td->td_proc);
487	crfree(oldcred);
488	return (0);
489fail:
490	PROC_UNLOCK(td->td_proc);
491	crfree(newcred);
492	return (error);
493}
494
495/*
496 * System calls to get and set process audit information.
497 */
498/* ARGSUSED */
499int
500getaudit(struct thread *td, struct getaudit_args *uap)
501{
502	struct auditinfo ai;
503	int error;
504
505	if (jailed(td->td_ucred))
506		return (ENOSYS);
507	error = priv_check(td, PRIV_AUDIT_GETAUDIT);
508	if (error)
509		return (error);
510	if (td->td_ucred->cr_audit.ai_termid.at_type == AU_IPv6)
511		return (ERANGE);
512	bzero(&ai, sizeof(ai));
513	ai.ai_auid = td->td_ucred->cr_audit.ai_auid;
514	ai.ai_mask = td->td_ucred->cr_audit.ai_mask;
515	ai.ai_asid = td->td_ucred->cr_audit.ai_asid;
516	ai.ai_termid.machine = td->td_ucred->cr_audit.ai_termid.at_addr[0];
517	ai.ai_termid.port = td->td_ucred->cr_audit.ai_termid.at_port;
518	return (copyout(&ai, uap->auditinfo, sizeof(ai)));
519}
520
521/* ARGSUSED */
522int
523setaudit(struct thread *td, struct setaudit_args *uap)
524{
525	struct ucred *newcred, *oldcred;
526	struct auditinfo ai;
527	int error;
528
529	if (jailed(td->td_ucred))
530		return (ENOSYS);
531	error = copyin(uap->auditinfo, &ai, sizeof(ai));
532	if (error)
533		return (error);
534	audit_arg_auditinfo(&ai);
535	newcred = crget();
536	PROC_LOCK(td->td_proc);
537	oldcred = td->td_proc->p_ucred;
538	crcopy(newcred, oldcred);
539#ifdef MAC
540	error = mac_proc_check_setaudit(oldcred, &ai);
541	if (error)
542		goto fail;
543#endif
544	error = priv_check_cred(oldcred, PRIV_AUDIT_SETAUDIT, 0);
545	if (error)
546		goto fail;
547	bzero(&newcred->cr_audit, sizeof(newcred->cr_audit));
548	newcred->cr_audit.ai_auid = ai.ai_auid;
549	newcred->cr_audit.ai_mask = ai.ai_mask;
550	newcred->cr_audit.ai_asid = ai.ai_asid;
551	newcred->cr_audit.ai_termid.at_addr[0] = ai.ai_termid.machine;
552	newcred->cr_audit.ai_termid.at_port = ai.ai_termid.port;
553	newcred->cr_audit.ai_termid.at_type = AU_IPv4;
554	td->td_proc->p_ucred = newcred;
555	PROC_UNLOCK(td->td_proc);
556	crfree(oldcred);
557	return (0);
558fail:
559	PROC_UNLOCK(td->td_proc);
560	crfree(newcred);
561	return (error);
562}
563
564/* ARGSUSED */
565int
566getaudit_addr(struct thread *td, struct getaudit_addr_args *uap)
567{
568	int error;
569
570	if (jailed(td->td_ucred))
571		return (ENOSYS);
572	if (uap->length < sizeof(*uap->auditinfo_addr))
573		return (EOVERFLOW);
574	error = priv_check(td, PRIV_AUDIT_GETAUDIT);
575	if (error)
576		return (error);
577	return (copyout(&td->td_ucred->cr_audit, uap->auditinfo_addr,
578	    sizeof(*uap->auditinfo_addr)));
579}
580
581/* ARGSUSED */
582int
583setaudit_addr(struct thread *td, struct setaudit_addr_args *uap)
584{
585	struct ucred *newcred, *oldcred;
586	struct auditinfo_addr aia;
587	int error;
588
589	if (jailed(td->td_ucred))
590		return (ENOSYS);
591	error = copyin(uap->auditinfo_addr, &aia, sizeof(aia));
592	if (error)
593		return (error);
594	audit_arg_auditinfo_addr(&aia);
595	if (aia.ai_termid.at_type != AU_IPv6 &&
596	    aia.ai_termid.at_type != AU_IPv4)
597		return (EINVAL);
598	newcred = crget();
599	PROC_LOCK(td->td_proc);
600	oldcred = td->td_proc->p_ucred;
601	crcopy(newcred, oldcred);
602#ifdef MAC
603	error = mac_proc_check_setaudit_addr(oldcred, &aia);
604	if (error)
605		goto fail;
606#endif
607	error = priv_check_cred(oldcred, PRIV_AUDIT_SETAUDIT, 0);
608	if (error)
609		goto fail;
610	newcred->cr_audit = aia;
611	td->td_proc->p_ucred = newcred;
612	PROC_UNLOCK(td->td_proc);
613	crfree(oldcred);
614	return (0);
615fail:
616	PROC_UNLOCK(td->td_proc);
617	crfree(newcred);
618	return (error);
619}
620
621/*
622 * Syscall to manage audit files.
623 */
624/* ARGSUSED */
625int
626auditctl(struct thread *td, struct auditctl_args *uap)
627{
628	struct nameidata nd;
629	struct ucred *cred;
630	struct vnode *vp;
631	int error = 0;
632	int flags, vfslocked;
633
634	if (jailed(td->td_ucred))
635		return (ENOSYS);
636	error = priv_check(td, PRIV_AUDIT_CONTROL);
637	if (error)
638		return (error);
639
640	vp = NULL;
641	cred = NULL;
642
643	/*
644	 * If a path is specified, open the replacement vnode, perform
645	 * validity checks, and grab another reference to the current
646	 * credential.
647	 *
648	 * On Darwin, a NULL path argument is also used to disable audit.
649	 */
650	if (uap->path == NULL)
651		return (EINVAL);
652
653	NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF | MPSAFE | AUDITVNODE1,
654	    UIO_USERSPACE, uap->path, td);
655	flags = AUDIT_OPEN_FLAGS;
656	error = vn_open(&nd, &flags, 0, NULL);
657	if (error)
658		return (error);
659	vfslocked = NDHASGIANT(&nd);
660	vp = nd.ni_vp;
661#ifdef MAC
662	error = mac_system_check_auditctl(td->td_ucred, vp);
663	VOP_UNLOCK(vp, 0);
664	if (error) {
665		vn_close(vp, AUDIT_CLOSE_FLAGS, td->td_ucred, td);
666		VFS_UNLOCK_GIANT(vfslocked);
667		return (error);
668	}
669#else
670	VOP_UNLOCK(vp, 0);
671#endif
672	NDFREE(&nd, NDF_ONLY_PNBUF);
673	if (vp->v_type != VREG) {
674		vn_close(vp, AUDIT_CLOSE_FLAGS, td->td_ucred, td);
675		VFS_UNLOCK_GIANT(vfslocked);
676		return (EINVAL);
677	}
678	VFS_UNLOCK_GIANT(vfslocked);
679	cred = td->td_ucred;
680	crhold(cred);
681
682	/*
683	 * XXXAUDIT: Should audit_suspended actually be cleared by
684	 * audit_worker?
685	 */
686	audit_suspended = 0;
687
688	audit_rotate_vnode(cred, vp);
689
690	return (error);
691}
692
693#else /* !AUDIT */
694
695int
696audit(struct thread *td, struct audit_args *uap)
697{
698
699	return (ENOSYS);
700}
701
702int
703auditon(struct thread *td, struct auditon_args *uap)
704{
705
706	return (ENOSYS);
707}
708
709int
710getauid(struct thread *td, struct getauid_args *uap)
711{
712
713	return (ENOSYS);
714}
715
716int
717setauid(struct thread *td, struct setauid_args *uap)
718{
719
720	return (ENOSYS);
721}
722
723int
724getaudit(struct thread *td, struct getaudit_args *uap)
725{
726
727	return (ENOSYS);
728}
729
730int
731setaudit(struct thread *td, struct setaudit_args *uap)
732{
733
734	return (ENOSYS);
735}
736
737int
738getaudit_addr(struct thread *td, struct getaudit_addr_args *uap)
739{
740
741	return (ENOSYS);
742}
743
744int
745setaudit_addr(struct thread *td, struct setaudit_addr_args *uap)
746{
747
748	return (ENOSYS);
749}
750
751int
752auditctl(struct thread *td, struct auditctl_args *uap)
753{
754
755	return (ENOSYS);
756}
757#endif /* AUDIT */
758