audit_syscalls.c revision 189570
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 189570 2009-03-09 10:45:58Z rwatson $");
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		td->td_pflags |= TDP_AUDITREC;
100		ar = td->td_ar;
101	}
102
103	if (uap->length > MAX_AUDIT_RECORD_SIZE)
104		return (EINVAL);
105
106	rec = malloc(uap->length, M_AUDITDATA, M_WAITOK);
107
108	error = copyin(uap->record, rec, uap->length);
109	if (error)
110		goto free_out;
111
112	/* Verify the record. */
113	if (bsm_rec_verify(rec) == 0) {
114		error = EINVAL;
115		goto free_out;
116	}
117
118#ifdef MAC
119	error = mac_system_check_audit(td->td_ucred, rec, uap->length);
120	if (error)
121		goto free_out;
122#endif
123
124	/*
125	 * Attach the user audit record to the kernel audit record.  Because
126	 * this system call is an auditable event, we will write the user
127	 * record along with the record for this audit event.
128	 *
129	 * XXXAUDIT: KASSERT appropriate starting values of k_udata, k_ulen,
130	 * k_ar_commit & AR_COMMIT_USER?
131	 */
132	ar->k_udata = rec;
133	ar->k_ulen  = uap->length;
134	ar->k_ar_commit |= AR_COMMIT_USER;
135
136	/*
137	 * Currently we assume that all preselection has been performed in
138	 * userspace.  We unconditionally set these masks so that the records
139	 * get committed both to the trail and pipe.  In the future we will
140	 * want to setup kernel based preselection.
141	 */
142	ar->k_ar_commit |= (AR_PRESELECT_USER_TRAIL | AR_PRESELECT_USER_PIPE);
143	return (0);
144
145free_out:
146	/*
147	 * audit_syscall_exit() will free the audit record on the thread even
148	 * if we allocated it above.
149	 */
150	free(rec, M_AUDITDATA);
151	return (error);
152}
153
154/*
155 *  System call to manipulate auditing.
156 */
157/* ARGSUSED */
158int
159auditon(struct thread *td, struct auditon_args *uap)
160{
161	struct ucred *cred, *newcred, *oldcred;
162	int error;
163	union auditon_udata udata;
164	struct proc *tp;
165
166	if (jailed(td->td_ucred))
167		return (ENOSYS);
168	AUDIT_ARG(cmd, uap->cmd);
169
170#ifdef MAC
171	error = mac_system_check_auditon(td->td_ucred, uap->cmd);
172	if (error)
173		return (error);
174#endif
175
176	error = priv_check(td, PRIV_AUDIT_CONTROL);
177	if (error)
178		return (error);
179
180	if ((uap->length <= 0) || (uap->length > sizeof(union auditon_udata)))
181		return (EINVAL);
182
183	memset((void *)&udata, 0, sizeof(udata));
184
185	/*
186	 * Some of the GET commands use the arguments too.
187	 */
188	switch (uap->cmd) {
189	case A_SETPOLICY:
190	case A_SETKMASK:
191	case A_SETQCTRL:
192	case A_SETSTAT:
193	case A_SETUMASK:
194	case A_SETSMASK:
195	case A_SETCOND:
196	case A_SETCLASS:
197	case A_SETPMASK:
198	case A_SETFSIZE:
199	case A_SETKAUDIT:
200	case A_GETCLASS:
201	case A_GETPINFO:
202	case A_GETPINFO_ADDR:
203	case A_SENDTRIGGER:
204		error = copyin(uap->data, (void *)&udata, uap->length);
205		if (error)
206			return (error);
207		AUDIT_ARG(auditon, &udata);
208		break;
209	}
210
211	/*
212	 * XXXAUDIT: Locking?
213	 */
214	switch (uap->cmd) {
215	case A_GETPOLICY:
216		if (!audit_fail_stop)
217			udata.au_policy |= AUDIT_CNT;
218		if (audit_panic_on_write_fail)
219			udata.au_policy |= AUDIT_AHLT;
220		if (audit_argv)
221			udata.au_policy |= AUDIT_ARGV;
222		if (audit_arge)
223			udata.au_policy |= AUDIT_ARGE;
224		break;
225
226	case A_SETPOLICY:
227		if (udata.au_policy & ~(AUDIT_CNT|AUDIT_AHLT|AUDIT_ARGV|
228		    AUDIT_ARGE))
229			return (EINVAL);
230		/*
231		 * XXX - Need to wake up waiters if the policy relaxes?
232		 */
233		audit_fail_stop = ((udata.au_policy & AUDIT_CNT) == 0);
234		audit_panic_on_write_fail = (udata.au_policy & AUDIT_AHLT);
235		audit_argv = (udata.au_policy & AUDIT_ARGV);
236		audit_arge = (udata.au_policy & AUDIT_ARGE);
237		break;
238
239	case A_GETKMASK:
240		udata.au_mask = audit_nae_mask;
241		break;
242
243	case A_SETKMASK:
244		audit_nae_mask = udata.au_mask;
245		break;
246
247	case A_GETQCTRL:
248		udata.au_qctrl = audit_qctrl;
249		break;
250
251	case A_SETQCTRL:
252		if ((udata.au_qctrl.aq_hiwater > AQ_MAXHIGH) ||
253		    (udata.au_qctrl.aq_lowater >= udata.au_qctrl.aq_hiwater) ||
254		    (udata.au_qctrl.aq_bufsz > AQ_MAXBUFSZ) ||
255		    (udata.au_qctrl.aq_minfree < 0) ||
256		    (udata.au_qctrl.aq_minfree > 100))
257			return (EINVAL);
258
259		audit_qctrl = udata.au_qctrl;
260		/* XXX The queue delay value isn't used with the kernel. */
261		audit_qctrl.aq_delay = -1;
262		break;
263
264	case A_GETCWD:
265		return (ENOSYS);
266		break;
267
268	case A_GETCAR:
269		return (ENOSYS);
270		break;
271
272	case A_GETSTAT:
273		return (ENOSYS);
274		break;
275
276	case A_SETSTAT:
277		return (ENOSYS);
278		break;
279
280	case A_SETUMASK:
281		return (ENOSYS);
282		break;
283
284	case A_SETSMASK:
285		return (ENOSYS);
286		break;
287
288	case A_GETCOND:
289		if (audit_enabled && !audit_suspended)
290			udata.au_cond = AUC_AUDITING;
291		else
292			udata.au_cond = AUC_NOAUDIT;
293		break;
294
295	case A_SETCOND:
296		if (udata.au_cond == AUC_NOAUDIT)
297			audit_suspended = 1;
298		if (udata.au_cond == AUC_AUDITING)
299			audit_suspended = 0;
300		if (udata.au_cond == AUC_DISABLED) {
301			audit_suspended = 1;
302			audit_shutdown(NULL, 0);
303		}
304		break;
305
306	case A_GETCLASS:
307		udata.au_evclass.ec_class = au_event_class(
308		    udata.au_evclass.ec_number);
309		break;
310
311	case A_SETCLASS:
312		au_evclassmap_insert(udata.au_evclass.ec_number,
313		    udata.au_evclass.ec_class);
314		break;
315
316	case A_GETPINFO:
317		if (udata.au_aupinfo.ap_pid < 1)
318			return (ESRCH);
319		if ((tp = pfind(udata.au_aupinfo.ap_pid)) == NULL)
320			return (ESRCH);
321		if ((error = p_cansee(td, tp)) != 0) {
322			PROC_UNLOCK(tp);
323			return (error);
324		}
325		cred = tp->p_ucred;
326		if (cred->cr_audit.ai_termid.at_type == AU_IPv6) {
327			PROC_UNLOCK(tp);
328			return (EINVAL);
329		}
330		udata.au_aupinfo.ap_auid = cred->cr_audit.ai_auid;
331		udata.au_aupinfo.ap_mask.am_success =
332		    cred->cr_audit.ai_mask.am_success;
333		udata.au_aupinfo.ap_mask.am_failure =
334		    cred->cr_audit.ai_mask.am_failure;
335		udata.au_aupinfo.ap_termid.machine =
336		    cred->cr_audit.ai_termid.at_addr[0];
337		udata.au_aupinfo.ap_termid.port =
338		    (dev_t)cred->cr_audit.ai_termid.at_port;
339		udata.au_aupinfo.ap_asid = cred->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		cred = tp->p_ucred;
385		udata.au_aupinfo_addr.ap_auid = cred->cr_audit.ai_auid;
386		udata.au_aupinfo_addr.ap_mask.am_success =
387		    cred->cr_audit.ai_mask.am_success;
388		udata.au_aupinfo_addr.ap_mask.am_failure =
389		    cred->cr_audit.ai_mask.am_failure;
390		udata.au_aupinfo_addr.ap_termid = cred->cr_audit.ai_termid;
391		udata.au_aupinfo_addr.ap_asid = cred->cr_audit.ai_asid;
392		PROC_UNLOCK(tp);
393		break;
394
395	case A_GETKAUDIT:
396		audit_get_kinfo(&udata.au_kau_info);
397		break;
398
399	case A_SETKAUDIT:
400		if (udata.au_kau_info.ai_termid.at_type != AU_IPv4 &&
401		    udata.au_kau_info.ai_termid.at_type != AU_IPv6)
402			return (EINVAL);
403		audit_set_kinfo(&udata.au_kau_info);
404		break;
405
406	case A_SENDTRIGGER:
407		if ((udata.au_trigger < AUDIT_TRIGGER_MIN) ||
408		    (udata.au_trigger > AUDIT_TRIGGER_MAX))
409			return (EINVAL);
410		return (audit_send_trigger(udata.au_trigger));
411
412	default:
413		return (EINVAL);
414	}
415
416	/*
417	 * Copy data back to userspace for the GET comands.
418	 */
419	switch (uap->cmd) {
420	case A_GETPOLICY:
421	case A_GETKMASK:
422	case A_GETQCTRL:
423	case A_GETCWD:
424	case A_GETCAR:
425	case A_GETSTAT:
426	case A_GETCOND:
427	case A_GETCLASS:
428	case A_GETPINFO:
429	case A_GETFSIZE:
430	case A_GETPINFO_ADDR:
431	case A_GETKAUDIT:
432		error = copyout((void *)&udata, uap->data, uap->length);
433		if (error)
434			return (error);
435		break;
436	}
437
438	return (0);
439}
440
441/*
442 * System calls to manage the user audit information.
443 */
444/* ARGSUSED */
445int
446getauid(struct thread *td, struct getauid_args *uap)
447{
448	int error;
449
450	if (jailed(td->td_ucred))
451		return (ENOSYS);
452	error = priv_check(td, PRIV_AUDIT_GETAUDIT);
453	if (error)
454		return (error);
455	return (copyout(&td->td_ucred->cr_audit.ai_auid, uap->auid,
456	    sizeof(td->td_ucred->cr_audit.ai_auid)));
457}
458
459/* ARGSUSED */
460int
461setauid(struct thread *td, struct setauid_args *uap)
462{
463	struct ucred *newcred, *oldcred;
464	au_id_t id;
465	int error;
466
467	if (jailed(td->td_ucred))
468		return (ENOSYS);
469	error = copyin(uap->auid, &id, sizeof(id));
470	if (error)
471		return (error);
472	audit_arg_auid(id);
473	newcred = crget();
474	PROC_LOCK(td->td_proc);
475	oldcred = td->td_proc->p_ucred;
476	crcopy(newcred, oldcred);
477#ifdef MAC
478	error = mac_cred_check_setauid(oldcred, id);
479	if (error)
480		goto fail;
481#endif
482	error = priv_check_cred(oldcred, PRIV_AUDIT_SETAUDIT, 0);
483	if (error)
484		goto fail;
485	newcred->cr_audit.ai_auid = id;
486	td->td_proc->p_ucred = newcred;
487	PROC_UNLOCK(td->td_proc);
488	crfree(oldcred);
489	return (0);
490fail:
491	PROC_UNLOCK(td->td_proc);
492	crfree(newcred);
493	return (error);
494}
495
496/*
497 * System calls to get and set process audit information.
498 */
499/* ARGSUSED */
500int
501getaudit(struct thread *td, struct getaudit_args *uap)
502{
503	struct auditinfo ai;
504	struct ucred *cred;
505	int error;
506
507	cred = td->td_ucred;
508	if (jailed(cred))
509		return (ENOSYS);
510	error = priv_check(td, PRIV_AUDIT_GETAUDIT);
511	if (error)
512		return (error);
513	if (cred->cr_audit.ai_termid.at_type == AU_IPv6)
514		return (E2BIG);
515	bzero(&ai, sizeof(ai));
516	ai.ai_auid = cred->cr_audit.ai_auid;
517	ai.ai_mask = cred->cr_audit.ai_mask;
518	ai.ai_asid = cred->cr_audit.ai_asid;
519	ai.ai_termid.machine = cred->cr_audit.ai_termid.at_addr[0];
520	ai.ai_termid.port = cred->cr_audit.ai_termid.at_port;
521	return (copyout(&ai, uap->auditinfo, sizeof(ai)));
522}
523
524/* ARGSUSED */
525int
526setaudit(struct thread *td, struct setaudit_args *uap)
527{
528	struct ucred *newcred, *oldcred;
529	struct auditinfo ai;
530	int error;
531
532	if (jailed(td->td_ucred))
533		return (ENOSYS);
534	error = copyin(uap->auditinfo, &ai, sizeof(ai));
535	if (error)
536		return (error);
537	audit_arg_auditinfo(&ai);
538	newcred = crget();
539	PROC_LOCK(td->td_proc);
540	oldcred = td->td_proc->p_ucred;
541	crcopy(newcred, oldcred);
542#ifdef MAC
543	error = mac_cred_check_setaudit(oldcred, &ai);
544	if (error)
545		goto fail;
546#endif
547	error = priv_check_cred(oldcred, PRIV_AUDIT_SETAUDIT, 0);
548	if (error)
549		goto fail;
550	bzero(&newcred->cr_audit, sizeof(newcred->cr_audit));
551	newcred->cr_audit.ai_auid = ai.ai_auid;
552	newcred->cr_audit.ai_mask = ai.ai_mask;
553	newcred->cr_audit.ai_asid = ai.ai_asid;
554	newcred->cr_audit.ai_termid.at_addr[0] = ai.ai_termid.machine;
555	newcred->cr_audit.ai_termid.at_port = ai.ai_termid.port;
556	newcred->cr_audit.ai_termid.at_type = AU_IPv4;
557	td->td_proc->p_ucred = newcred;
558	PROC_UNLOCK(td->td_proc);
559	crfree(oldcred);
560	return (0);
561fail:
562	PROC_UNLOCK(td->td_proc);
563	crfree(newcred);
564	return (error);
565}
566
567/* ARGSUSED */
568int
569getaudit_addr(struct thread *td, struct getaudit_addr_args *uap)
570{
571	int error;
572
573	if (jailed(td->td_ucred))
574		return (ENOSYS);
575	if (uap->length < sizeof(*uap->auditinfo_addr))
576		return (EOVERFLOW);
577	error = priv_check(td, PRIV_AUDIT_GETAUDIT);
578	if (error)
579		return (error);
580	return (copyout(&td->td_ucred->cr_audit, uap->auditinfo_addr,
581	    sizeof(*uap->auditinfo_addr)));
582}
583
584/* ARGSUSED */
585int
586setaudit_addr(struct thread *td, struct setaudit_addr_args *uap)
587{
588	struct ucred *newcred, *oldcred;
589	struct auditinfo_addr aia;
590	int error;
591
592	if (jailed(td->td_ucred))
593		return (ENOSYS);
594	error = copyin(uap->auditinfo_addr, &aia, sizeof(aia));
595	if (error)
596		return (error);
597	audit_arg_auditinfo_addr(&aia);
598	if (aia.ai_termid.at_type != AU_IPv6 &&
599	    aia.ai_termid.at_type != AU_IPv4)
600		return (EINVAL);
601	newcred = crget();
602	PROC_LOCK(td->td_proc);
603	oldcred = td->td_proc->p_ucred;
604	crcopy(newcred, oldcred);
605#ifdef MAC
606	error = mac_cred_check_setaudit_addr(oldcred, &aia);
607	if (error)
608		goto fail;
609#endif
610	error = priv_check_cred(oldcred, PRIV_AUDIT_SETAUDIT, 0);
611	if (error)
612		goto fail;
613	newcred->cr_audit = aia;
614	td->td_proc->p_ucred = newcred;
615	PROC_UNLOCK(td->td_proc);
616	crfree(oldcred);
617	return (0);
618fail:
619	PROC_UNLOCK(td->td_proc);
620	crfree(newcred);
621	return (error);
622}
623
624/*
625 * Syscall to manage audit files.
626 */
627/* ARGSUSED */
628int
629auditctl(struct thread *td, struct auditctl_args *uap)
630{
631	struct nameidata nd;
632	struct ucred *cred;
633	struct vnode *vp;
634	int error = 0;
635	int flags, vfslocked;
636
637	if (jailed(td->td_ucred))
638		return (ENOSYS);
639	error = priv_check(td, PRIV_AUDIT_CONTROL);
640	if (error)
641		return (error);
642
643	vp = NULL;
644	cred = NULL;
645
646	/*
647	 * If a path is specified, open the replacement vnode, perform
648	 * validity checks, and grab another reference to the current
649	 * credential.
650	 *
651	 * On Darwin, a NULL path argument is also used to disable audit.
652	 */
653	if (uap->path == NULL)
654		return (EINVAL);
655
656	NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF | MPSAFE | AUDITVNODE1,
657	    UIO_USERSPACE, uap->path, td);
658	flags = AUDIT_OPEN_FLAGS;
659	error = vn_open(&nd, &flags, 0, NULL);
660	if (error)
661		return (error);
662	vfslocked = NDHASGIANT(&nd);
663	vp = nd.ni_vp;
664#ifdef MAC
665	error = mac_system_check_auditctl(td->td_ucred, vp);
666	VOP_UNLOCK(vp, 0);
667	if (error) {
668		vn_close(vp, AUDIT_CLOSE_FLAGS, td->td_ucred, td);
669		VFS_UNLOCK_GIANT(vfslocked);
670		return (error);
671	}
672#else
673	VOP_UNLOCK(vp, 0);
674#endif
675	NDFREE(&nd, NDF_ONLY_PNBUF);
676	if (vp->v_type != VREG) {
677		vn_close(vp, AUDIT_CLOSE_FLAGS, td->td_ucred, td);
678		VFS_UNLOCK_GIANT(vfslocked);
679		return (EINVAL);
680	}
681	VFS_UNLOCK_GIANT(vfslocked);
682	cred = td->td_ucred;
683	crhold(cred);
684
685	/*
686	 * XXXAUDIT: Should audit_suspended actually be cleared by
687	 * audit_worker?
688	 */
689	audit_suspended = 0;
690
691	audit_rotate_vnode(cred, vp);
692
693	return (error);
694}
695
696#else /* !AUDIT */
697
698int
699audit(struct thread *td, struct audit_args *uap)
700{
701
702	return (ENOSYS);
703}
704
705int
706auditon(struct thread *td, struct auditon_args *uap)
707{
708
709	return (ENOSYS);
710}
711
712int
713getauid(struct thread *td, struct getauid_args *uap)
714{
715
716	return (ENOSYS);
717}
718
719int
720setauid(struct thread *td, struct setauid_args *uap)
721{
722
723	return (ENOSYS);
724}
725
726int
727getaudit(struct thread *td, struct getaudit_args *uap)
728{
729
730	return (ENOSYS);
731}
732
733int
734setaudit(struct thread *td, struct setaudit_args *uap)
735{
736
737	return (ENOSYS);
738}
739
740int
741getaudit_addr(struct thread *td, struct getaudit_addr_args *uap)
742{
743
744	return (ENOSYS);
745}
746
747int
748setaudit_addr(struct thread *td, struct setaudit_addr_args *uap)
749{
750
751	return (ENOSYS);
752}
753
754int
755auditctl(struct thread *td, struct auditctl_args *uap)
756{
757
758	return (ENOSYS);
759}
760#endif /* AUDIT */
761