xref: /freebsd/sys/security/mac_stub/mac_stub.c (revision b28624fde638caadd4a89f50c9b7e7da0f98c4d2)
1 /*-
2  * Copyright (c) 1999-2002, 2007 Robert N. M. Watson
3  * Copyright (c) 2001-2005 McAfee, Inc.
4  * Copyright (c) 2005 SPARTA, Inc.
5  * All rights reserved.
6  *
7  * This software was developed by Robert Watson for the TrustedBSD Project.
8  *
9  * This software was developed for the FreeBSD Project in part by McAfee
10  * Research, the Security Research Division of McAfee, Inc. under
11  * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
12  * CHATS research program.
13  *
14  * This software was enhanced by SPARTA ISSO under SPAWAR contract
15  * N66001-04-C-6019 ("SEFOS").
16  *
17  * Redistribution and use in source and binary forms, with or without
18  * modification, are permitted provided that the following conditions
19  * are met:
20  * 1. Redistributions of source code must retain the above copyright
21  *    notice, this list of conditions and the following disclaimer.
22  * 2. Redistributions in binary form must reproduce the above copyright
23  *    notice, this list of conditions and the following disclaimer in the
24  *    documentation and/or other materials provided with the distribution.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  * $FreeBSD$
39  */
40 
41 /*
42  * Developed by the TrustedBSD Project.
43  *
44  * Stub module that implements a NOOP for most (if not all) MAC Framework
45  * policy entry points.
46  */
47 
48 #include <sys/types.h>
49 #include <sys/param.h>
50 #include <sys/acl.h>
51 #include <sys/conf.h>
52 #include <sys/extattr.h>
53 #include <sys/kernel.h>
54 #include <sys/ksem.h>
55 #include <sys/mount.h>
56 #include <sys/proc.h>
57 #include <sys/systm.h>
58 #include <sys/sysproto.h>
59 #include <sys/sysent.h>
60 #include <sys/vnode.h>
61 #include <sys/file.h>
62 #include <sys/socket.h>
63 #include <sys/socketvar.h>
64 #include <sys/pipe.h>
65 #include <sys/sx.h>
66 #include <sys/sysctl.h>
67 #include <sys/msg.h>
68 #include <sys/sem.h>
69 #include <sys/shm.h>
70 
71 #include <fs/devfs/devfs.h>
72 
73 #include <net/bpfdesc.h>
74 #include <net/if.h>
75 #include <net/if_types.h>
76 #include <net/if_var.h>
77 
78 #include <netinet/in.h>
79 #include <netinet/in_pcb.h>
80 #include <netinet/ip_var.h>
81 
82 #include <vm/vm.h>
83 
84 #include <security/mac/mac_policy.h>
85 
86 SYSCTL_DECL(_security_mac);
87 
88 SYSCTL_NODE(_security_mac, OID_AUTO, stub, CTLFLAG_RW, 0,
89     "TrustedBSD mac_stub policy controls");
90 
91 static int	stub_enabled = 1;
92 SYSCTL_INT(_security_mac_stub, OID_AUTO, enabled, CTLFLAG_RW,
93     &stub_enabled, 0, "Enforce mac_stub policy");
94 
95 /*
96  * Policy module operations.
97  */
98 static void
99 stub_destroy(struct mac_policy_conf *conf)
100 {
101 
102 }
103 
104 static void
105 stub_init(struct mac_policy_conf *conf)
106 {
107 
108 }
109 
110 static int
111 stub_syscall(struct thread *td, int call, void *arg)
112 {
113 
114 	return (0);
115 }
116 
117 /*
118  * Label operations.
119  */
120 static void
121 stub_init_label(struct label *label)
122 {
123 
124 }
125 
126 static int
127 stub_init_label_waitcheck(struct label *label, int flag)
128 {
129 
130 	return (0);
131 }
132 
133 static void
134 stub_destroy_label(struct label *label)
135 {
136 
137 }
138 
139 static void
140 stub_copy_label(struct label *src, struct label *dest)
141 {
142 
143 }
144 
145 static int
146 stub_externalize_label(struct label *label, char *element_name,
147     struct sbuf *sb, int *claimed)
148 {
149 
150 	return (0);
151 }
152 
153 static int
154 stub_internalize_label(struct label *label, char *element_name,
155     char *element_data, int *claimed)
156 {
157 
158 	return (0);
159 }
160 
161 /*
162  * Labeling event operations: file system objects, and things that look
163  * a lot like file system objects.
164  */
165 static void
166 stub_associate_vnode_devfs(struct mount *mp, struct label *mplabel,
167     struct devfs_dirent *de, struct label *delabel, struct vnode *vp,
168     struct label *vplabel)
169 {
170 
171 }
172 
173 static int
174 stub_associate_vnode_extattr(struct mount *mp, struct label *mplabel,
175     struct vnode *vp, struct label *vplabel)
176 {
177 
178 	return (0);
179 }
180 
181 static void
182 stub_associate_vnode_singlelabel(struct mount *mp,
183     struct label *mplabel, struct vnode *vp, struct label *vplabel)
184 {
185 
186 }
187 
188 static void
189 stub_associate_nfsd_label(struct ucred *cred)
190 {
191 
192 }
193 
194 static void
195 stub_create_devfs_device(struct ucred *cred, struct mount *mp,
196     struct cdev *dev, struct devfs_dirent *de, struct label *delabel)
197 {
198 
199 }
200 
201 static void
202 stub_create_devfs_directory(struct mount *mp, char *dirname,
203     int dirnamelen, struct devfs_dirent *de, struct label *delabel)
204 {
205 
206 }
207 
208 static void
209 stub_create_devfs_symlink(struct ucred *cred, struct mount *mp,
210     struct devfs_dirent *dd, struct label *ddlabel, struct devfs_dirent *de,
211     struct label *delabel)
212 {
213 
214 }
215 
216 static int
217 stub_create_vnode_extattr(struct ucred *cred, struct mount *mp,
218     struct label *mntlabel, struct vnode *dvp, struct label *dvplabel,
219     struct vnode *vp, struct label *vplabel, struct componentname *cnp)
220 {
221 
222 	return (0);
223 }
224 
225 static void
226 stub_create_mount(struct ucred *cred, struct mount *mp,
227     struct label *mplabel)
228 {
229 
230 }
231 
232 static void
233 stub_relabel_vnode(struct ucred *cred, struct vnode *vp,
234     struct label *vplabel, struct label *label)
235 {
236 
237 }
238 
239 static int
240 stub_setlabel_vnode_extattr(struct ucred *cred, struct vnode *vp,
241     struct label *vplabel, struct label *intlabel)
242 {
243 
244 	return (0);
245 }
246 
247 static void
248 stub_update_devfs(struct mount *mp, struct devfs_dirent *de,
249     struct label *delabel, struct vnode *vp, struct label *vplabel)
250 {
251 
252 }
253 
254 /*
255  * Labeling event operations: IPC object.
256  */
257 static void
258 stub_create_mbuf_from_socket(struct socket *so, struct label *solabel,
259     struct mbuf *m, struct label *mlabel)
260 {
261 
262 }
263 
264 static void
265 stub_create_socket(struct ucred *cred, struct socket *so,
266     struct label *solabel)
267 {
268 
269 }
270 
271 static void
272 stub_create_pipe(struct ucred *cred, struct pipepair *pp,
273     struct label *pplabel)
274 {
275 
276 }
277 
278 static void
279 stub_create_posix_sem(struct ucred *cred, struct ksem *ksemptr,
280     struct label *ks_label)
281 {
282 
283 }
284 
285 static void
286 stub_create_socket_from_socket(struct socket *oldso,
287     struct label *oldsolabel, struct socket *newso, struct label *newsolabel)
288 {
289 
290 }
291 
292 static void
293 stub_relabel_socket(struct ucred *cred, struct socket *so,
294     struct label *solabel, struct label *newlabel)
295 {
296 
297 }
298 
299 static void
300 stub_relabel_pipe(struct ucred *cred, struct pipepair *pp,
301     struct label *pplabel, struct label *newlabel)
302 {
303 
304 }
305 
306 static void
307 stub_set_socket_peer_from_mbuf(struct mbuf *m, struct label *mlabel,
308     struct socket *so, struct label *sopeerlabel)
309 {
310 
311 }
312 
313 static void
314 stub_set_socket_peer_from_socket(struct socket *oldso,
315     struct label *oldsolabel, struct socket *newso,
316     struct label *newsopeerlabel)
317 {
318 
319 }
320 
321 /*
322  * Labeling event operations: network objects.
323  */
324 static void
325 stub_create_bpfdesc(struct ucred *cred, struct bpf_d *d,
326     struct label *dlabel)
327 {
328 
329 }
330 
331 static void
332 stub_create_datagram_from_ipq(struct ipq *ipq, struct label *ipqlabel,
333     struct mbuf *m, struct label *mlabel)
334 {
335 
336 }
337 
338 static void
339 stub_create_fragment(struct mbuf *m, struct label *mlabel, struct mbuf *frag,
340     struct label *fraglabel)
341 {
342 
343 }
344 
345 static void
346 stub_create_ifnet(struct ifnet *ifp, struct label *ifplabel)
347 {
348 
349 }
350 
351 static void
352 stub_create_inpcb_from_socket(struct socket *so, struct label *solabel,
353     struct inpcb *inp, struct label *inplabel)
354 {
355 
356 }
357 
358 static void
359 stub_init_syncache_from_inpcb(struct label *label, struct inpcb *inp)
360 {
361 
362 }
363 
364 static void
365 stub_create_sysv_msgmsg(struct ucred *cred, struct msqid_kernel *msqkptr,
366     struct label *msqlabel, struct msg *msgptr, struct label *msglabel)
367 {
368 
369 }
370 
371 static void
372 stub_create_sysv_msgqueue(struct ucred *cred, struct msqid_kernel *msqkptr,
373     struct label *msqlabel)
374 {
375 
376 }
377 
378 static void
379 stub_create_sysv_sem(struct ucred *cred, struct semid_kernel *semakptr,
380     struct label *semalabel)
381 {
382 
383 }
384 
385 static void
386 stub_create_sysv_shm(struct ucred *cred, struct shmid_kernel *shmsegptr,
387     struct label *shmalabel)
388 {
389 
390 }
391 
392 static void
393 stub_create_ipq(struct mbuf *m, struct label *mlabel, struct ipq *ipq,
394     struct label *ipqlabel)
395 {
396 
397 }
398 
399 static void
400 stub_create_mbuf_from_inpcb(struct inpcb *inp, struct label *inplabel,
401     struct mbuf *m, struct label *mlabel)
402 {
403 
404 }
405 
406 static void
407 stub_create_mbuf_from_syncache(struct label *sc_label, struct mbuf *m,
408     struct label *mlabel)
409 {
410 
411 }
412 
413 static void
414 stub_create_mbuf_linklayer(struct ifnet *ifnet, struct label *ifnetlabel,
415     struct mbuf *m, struct label *mlabel)
416 {
417 
418 }
419 
420 static void
421 stub_create_mbuf_from_bpfdesc(struct bpf_d *d, struct label *dlabel,
422     struct mbuf *m, struct label *mlabel)
423 {
424 
425 }
426 
427 static void
428 stub_create_mbuf_from_ifnet(struct ifnet *ifp, struct label *ifplabel,
429     struct mbuf *m, struct label *mlabel)
430 {
431 
432 }
433 
434 static void
435 stub_create_mbuf_multicast_encap(struct mbuf *m, struct label *mlabel,
436     struct ifnet *ifp, struct label *ifplabel, struct mbuf *mnew,
437     struct label *mnewlabel)
438 {
439 
440 }
441 
442 static void
443 stub_create_mbuf_netlayer(struct mbuf *m, struct label *mlabel,
444     struct mbuf *mnew, struct label *mnewlabel)
445 {
446 
447 }
448 
449 static void
450 stub_create_mbuf_from_firewall(struct mbuf *m, struct label *mlabel)
451 {
452 
453 }
454 
455 static int
456 stub_fragment_match(struct mbuf *m, struct label *mlabel, struct ipq *ipq,
457     struct label *ipqlabel)
458 {
459 
460 	return (1);
461 }
462 
463 static void
464 stub_reflect_mbuf_icmp(struct mbuf *m, struct label *mlabel)
465 {
466 
467 }
468 
469 static void
470 stub_reflect_mbuf_tcp(struct mbuf *m, struct label *mlabel)
471 {
472 
473 }
474 
475 static void
476 stub_relabel_ifnet(struct ucred *cred, struct ifnet *ifp,
477     struct label *ifplabel, struct label *newlabel)
478 {
479 
480 }
481 
482 static void
483 stub_update_ipq(struct mbuf *m, struct label *mlabel, struct ipq *ipq,
484     struct label *ipqlabel)
485 {
486 
487 }
488 
489 static void
490 stub_inpcb_sosetlabel(struct socket *so, struct label *solabel,
491     struct inpcb *inp, struct label *inplabel)
492 {
493 
494 }
495 
496 /*
497  * Labeling event operations: processes.
498  */
499 static void
500 stub_execve_transition(struct ucred *old, struct ucred *new,
501     struct vnode *vp, struct label *vplabel, struct label *interpvnodelabel,
502     struct image_params *imgp, struct label *execlabel)
503 {
504 
505 }
506 
507 static int
508 stub_execve_will_transition(struct ucred *old, struct vnode *vp,
509     struct label *vplabel, struct label *interpvnodelabel,
510     struct image_params *imgp, struct label *execlabel)
511 {
512 
513 	return (0);
514 }
515 
516 static void
517 stub_create_proc0(struct ucred *cred)
518 {
519 
520 }
521 
522 static void
523 stub_create_proc1(struct ucred *cred)
524 {
525 
526 }
527 
528 static void
529 stub_relabel_cred(struct ucred *cred, struct label *newlabel)
530 {
531 
532 }
533 
534 static void
535 stub_thread_userret(struct thread *td)
536 {
537 
538 }
539 
540 /*
541  * Label cleanup/flush operations
542  */
543 static void
544 stub_cleanup_sysv_msgmsg(struct label *msglabel)
545 {
546 
547 }
548 
549 static void
550 stub_cleanup_sysv_msgqueue(struct label *msqlabel)
551 {
552 
553 }
554 
555 static void
556 stub_cleanup_sysv_sem(struct label *semalabel)
557 {
558 
559 }
560 
561 static void
562 stub_cleanup_sysv_shm(struct label *shmlabel)
563 {
564 
565 }
566 
567 /*
568  * Access control checks.
569  */
570 static int
571 stub_check_bpfdesc_receive(struct bpf_d *d, struct label *dlabel,
572     struct ifnet *ifp, struct label *ifplabel)
573 {
574 
575         return (0);
576 }
577 
578 static int
579 stub_check_cred_relabel(struct ucred *cred, struct label *newlabel)
580 {
581 
582 	return (0);
583 }
584 
585 static int
586 stub_check_cred_visible(struct ucred *cr1, struct ucred *cr2)
587 {
588 
589 	return (0);
590 }
591 
592 static int
593 stub_check_ifnet_relabel(struct ucred *cred, struct ifnet *ifp,
594     struct label *ifplabel, struct label *newlabel)
595 {
596 
597 	return (0);
598 }
599 
600 static int
601 stub_check_ifnet_transmit(struct ifnet *ifp, struct label *ifplabel,
602     struct mbuf *m, struct label *mlabel)
603 {
604 
605 	return (0);
606 }
607 
608 static int
609 stub_check_inpcb_deliver(struct inpcb *inp, struct label *inplabel,
610     struct mbuf *m, struct label *mlabel)
611 {
612 
613 	return (0);
614 }
615 
616 static int
617 stub_check_sysv_msgmsq(struct ucred *cred, struct msg *msgptr,
618     struct label *msglabel, struct msqid_kernel *msqkptr,
619     struct label *msqklabel)
620 {
621 
622 	return (0);
623 }
624 
625 static int
626 stub_check_sysv_msgrcv(struct ucred *cred, struct msg *msgptr,
627     struct label *msglabel)
628 {
629 
630 	return (0);
631 }
632 
633 
634 static int
635 stub_check_sysv_msgrmid(struct ucred *cred, struct msg *msgptr,
636     struct label *msglabel)
637 {
638 
639 	return (0);
640 }
641 
642 
643 static int
644 stub_check_sysv_msqget(struct ucred *cred, struct msqid_kernel *msqkptr,
645     struct label *msqklabel)
646 {
647 
648 	return (0);
649 }
650 
651 
652 static int
653 stub_check_sysv_msqsnd(struct ucred *cred, struct msqid_kernel *msqkptr,
654     struct label *msqklabel)
655 {
656 
657 	return (0);
658 }
659 
660 static int
661 stub_check_sysv_msqrcv(struct ucred *cred, struct msqid_kernel *msqkptr,
662     struct label *msqklabel)
663 {
664 
665 	return (0);
666 }
667 
668 
669 static int
670 stub_check_sysv_msqctl(struct ucred *cred, struct msqid_kernel *msqkptr,
671     struct label *msqklabel, int cmd)
672 {
673 
674 	return (0);
675 }
676 
677 
678 static int
679 stub_check_sysv_semctl(struct ucred *cred, struct semid_kernel *semakptr,
680     struct label *semaklabel, int cmd)
681 {
682 
683 	return (0);
684 }
685 
686 static int
687 stub_check_sysv_semget(struct ucred *cred, struct semid_kernel *semakptr,
688     struct label *semaklabel)
689 {
690 
691 	return (0);
692 }
693 
694 
695 static int
696 stub_check_sysv_semop(struct ucred *cred, struct semid_kernel *semakptr,
697     struct label *semaklabel, size_t accesstype)
698 {
699 
700 	return (0);
701 }
702 
703 static int
704 stub_check_sysv_shmat(struct ucred *cred, struct shmid_kernel *shmsegptr,
705     struct label *shmseglabel, int shmflg)
706 {
707 
708 	return (0);
709 }
710 
711 static int
712 stub_check_sysv_shmctl(struct ucred *cred, struct shmid_kernel *shmsegptr,
713     struct label *shmseglabel, int cmd)
714 {
715 
716 	return (0);
717 }
718 
719 static int
720 stub_check_sysv_shmdt(struct ucred *cred, struct shmid_kernel *shmsegptr,
721     struct label *shmseglabel)
722 {
723 
724 	return (0);
725 }
726 
727 
728 static int
729 stub_check_sysv_shmget(struct ucred *cred, struct shmid_kernel *shmsegptr,
730     struct label *shmseglabel, int shmflg)
731 {
732 
733 	return (0);
734 }
735 
736 static int
737 stub_check_kenv_dump(struct ucred *cred)
738 {
739 
740 	return (0);
741 }
742 
743 static int
744 stub_check_kenv_get(struct ucred *cred, char *name)
745 {
746 
747 	return (0);
748 }
749 
750 static int
751 stub_check_kenv_set(struct ucred *cred, char *name, char *value)
752 {
753 
754 	return (0);
755 }
756 
757 static int
758 stub_check_kenv_unset(struct ucred *cred, char *name)
759 {
760 
761 	return (0);
762 }
763 
764 static int
765 stub_check_kld_load(struct ucred *cred, struct vnode *vp,
766     struct label *vplabel)
767 {
768 
769 	return (0);
770 }
771 
772 static int
773 stub_check_kld_stat(struct ucred *cred)
774 {
775 
776 	return (0);
777 }
778 
779 static int
780 stub_check_mount_stat(struct ucred *cred, struct mount *mp,
781     struct label *mplabel)
782 {
783 
784 	return (0);
785 }
786 
787 static int
788 stub_check_pipe_ioctl(struct ucred *cred, struct pipepair *pp,
789     struct label *pplabel, unsigned long cmd, void /* caddr_t */ *data)
790 {
791 
792 	return (0);
793 }
794 
795 static int
796 stub_check_pipe_poll(struct ucred *cred, struct pipepair *pp,
797     struct label *pplabel)
798 {
799 
800 	return (0);
801 }
802 
803 static int
804 stub_check_pipe_read(struct ucred *cred, struct pipepair *pp,
805     struct label *pplabel)
806 {
807 
808 	return (0);
809 }
810 
811 static int
812 stub_check_pipe_relabel(struct ucred *cred, struct pipepair *pp,
813     struct label *pplabel, struct label *newlabel)
814 {
815 
816 	return (0);
817 }
818 
819 static int
820 stub_check_pipe_stat(struct ucred *cred, struct pipepair *pp,
821     struct label *pplabel)
822 {
823 
824 	return (0);
825 }
826 
827 static int
828 stub_check_pipe_write(struct ucred *cred, struct pipepair *pp,
829     struct label *pplabel)
830 {
831 
832 	return (0);
833 }
834 
835 static int
836 stub_check_posix_sem_destroy(struct ucred *cred, struct ksem *ksemptr,
837     struct label *ks_label)
838 {
839 
840 	return (0);
841 }
842 
843 static int
844 stub_check_posix_sem_getvalue(struct ucred *cred, struct ksem *ksemptr,
845     struct label *ks_label)
846 {
847 
848 	return (0);
849 }
850 
851 static int
852 stub_check_posix_sem_open(struct ucred *cred, struct ksem *ksemptr,
853     struct label *ks_label)
854 {
855 
856 	return (0);
857 }
858 
859 static int
860 stub_check_posix_sem_post(struct ucred *cred, struct ksem *ksemptr,
861     struct label *ks_label)
862 {
863 
864 	return (0);
865 }
866 
867 static int
868 stub_check_posix_sem_unlink(struct ucred *cred, struct ksem *ksemptr,
869     struct label *ks_label)
870 {
871 
872 	return (0);
873 }
874 
875 static int
876 stub_check_posix_sem_wait(struct ucred *cred, struct ksem *ksemptr,
877     struct label *ks_label)
878 {
879 
880 	return (0);
881 }
882 
883 static int
884 stub_check_proc_debug(struct ucred *cred, struct proc *p)
885 {
886 
887 	return (0);
888 }
889 
890 static int
891 stub_check_proc_sched(struct ucred *cred, struct proc *p)
892 {
893 
894 	return (0);
895 }
896 
897 static int
898 stub_check_proc_signal(struct ucred *cred, struct proc *p, int signum)
899 {
900 
901 	return (0);
902 }
903 
904 static int
905 stub_check_proc_wait(struct ucred *cred, struct proc *p)
906 {
907 
908 	return (0);
909 }
910 
911 static int
912 stub_check_proc_setaudit(struct ucred *cred, struct auditinfo *ai)
913 {
914 
915 	return (0);
916 }
917 
918 static int
919 stub_check_proc_setaudit_addr(struct ucred *cred, struct auditinfo_addr *aia)
920 {
921 
922 	return (0);
923 }
924 
925 static int
926 stub_check_proc_setauid(struct ucred *cred, uid_t auid)
927 {
928 
929 	return (0);
930 }
931 
932 static int
933 stub_check_proc_setuid(struct ucred *cred, uid_t uid)
934 {
935 
936 	return (0);
937 }
938 
939 static int
940 stub_check_proc_seteuid(struct ucred *cred, uid_t euid)
941 {
942 
943 	return (0);
944 }
945 
946 static int
947 stub_check_proc_setgid(struct ucred *cred, gid_t gid)
948 {
949 
950 	return (0);
951 }
952 
953 static int
954 stub_check_proc_setegid(struct ucred *cred, gid_t egid)
955 {
956 
957 	return (0);
958 }
959 
960 static int
961 stub_check_proc_setgroups(struct ucred *cred, int ngroups,
962 	gid_t *gidset)
963 {
964 
965 	return (0);
966 }
967 
968 static int
969 stub_check_proc_setreuid(struct ucred *cred, uid_t ruid, uid_t euid)
970 {
971 
972 	return (0);
973 }
974 
975 static int
976 stub_check_proc_setregid(struct ucred *cred, gid_t rgid, gid_t egid)
977 {
978 
979 	return (0);
980 }
981 
982 static int
983 stub_check_proc_setresuid(struct ucred *cred, uid_t ruid, uid_t euid,
984 	uid_t suid)
985 {
986 
987 	return (0);
988 }
989 
990 static int
991 stub_check_proc_setresgid(struct ucred *cred, gid_t rgid, gid_t egid,
992 	gid_t sgid)
993 {
994 
995 	return (0);
996 }
997 
998 static int
999 stub_check_socket_accept(struct ucred *cred, struct socket *so,
1000     struct label *solabel)
1001 {
1002 
1003 	return (0);
1004 }
1005 
1006 static int
1007 stub_check_socket_bind(struct ucred *cred, struct socket *so,
1008     struct label *solabel, struct sockaddr *sa)
1009 {
1010 
1011 	return (0);
1012 }
1013 
1014 static int
1015 stub_check_socket_connect(struct ucred *cred, struct socket *so,
1016     struct label *solabel, struct sockaddr *sa)
1017 {
1018 
1019 	return (0);
1020 }
1021 
1022 static int
1023 stub_check_socket_create(struct ucred *cred, int domain, int type, int proto)
1024 {
1025 
1026 	return (0);
1027 }
1028 
1029 static int
1030 stub_check_socket_deliver(struct socket *so, struct label *solabel,
1031     struct mbuf *m, struct label *mlabel)
1032 {
1033 
1034 	return (0);
1035 }
1036 
1037 static int
1038 stub_check_socket_listen(struct ucred *cred, struct socket *so,
1039     struct label *solabel)
1040 {
1041 
1042 	return (0);
1043 }
1044 
1045 static int
1046 stub_check_socket_poll(struct ucred *cred, struct socket *so,
1047     struct label *solabel)
1048 {
1049 
1050 	return (0);
1051 }
1052 
1053 static int
1054 stub_check_socket_receive(struct ucred *cred, struct socket *so,
1055     struct label *solabel)
1056 {
1057 
1058 	return (0);
1059 }
1060 
1061 static int
1062 stub_check_socket_relabel(struct ucred *cred, struct socket *so,
1063     struct label *solabel, struct label *newlabel)
1064 {
1065 
1066 	return (0);
1067 }
1068 static int
1069 stub_check_socket_send(struct ucred *cred, struct socket *so,
1070     struct label *solabel)
1071 {
1072 
1073 	return (0);
1074 }
1075 
1076 static int
1077 stub_check_socket_stat(struct ucred *cred, struct socket *so,
1078     struct label *solabel)
1079 {
1080 
1081 	return (0);
1082 }
1083 
1084 static int
1085 stub_check_socket_visible(struct ucred *cred, struct socket *so,
1086    struct label *solabel)
1087 {
1088 
1089 	return (0);
1090 }
1091 
1092 static int
1093 stub_check_system_acct(struct ucred *cred, struct vnode *vp,
1094     struct label *vplabel)
1095 {
1096 
1097 	return (0);
1098 }
1099 
1100 static int
1101 stub_check_system_audit(struct ucred *cred, void *record, int length)
1102 {
1103 
1104 	return (0);
1105 }
1106 
1107 static int
1108 stub_check_system_auditctl(struct ucred *cred, struct vnode *vp,
1109     struct label *vplabel)
1110 {
1111 
1112 	return (0);
1113 }
1114 
1115 static int
1116 stub_check_system_auditon(struct ucred *cred, int cmd)
1117 {
1118 
1119 	return (0);
1120 }
1121 
1122 static int
1123 stub_check_system_reboot(struct ucred *cred, int how)
1124 {
1125 
1126 	return (0);
1127 }
1128 
1129 static int
1130 stub_check_system_swapoff(struct ucred *cred, struct vnode *vp,
1131     struct label *vplabel)
1132 {
1133 
1134 	return (0);
1135 }
1136 
1137 static int
1138 stub_check_system_swapon(struct ucred *cred, struct vnode *vp,
1139     struct label *vplabel)
1140 {
1141 
1142 	return (0);
1143 }
1144 
1145 static int
1146 stub_check_system_sysctl(struct ucred *cred, struct sysctl_oid *oidp,
1147     void *arg1, int arg2, struct sysctl_req *req)
1148 {
1149 
1150 	return (0);
1151 }
1152 
1153 static int
1154 stub_check_vnode_access(struct ucred *cred, struct vnode *vp,
1155     struct label *vplabel, int acc_mode)
1156 {
1157 
1158 	return (0);
1159 }
1160 
1161 static int
1162 stub_check_vnode_chdir(struct ucred *cred, struct vnode *dvp,
1163     struct label *dvplabel)
1164 {
1165 
1166 	return (0);
1167 }
1168 
1169 static int
1170 stub_check_vnode_chroot(struct ucred *cred, struct vnode *dvp,
1171     struct label *dvplabel)
1172 {
1173 
1174 	return (0);
1175 }
1176 
1177 static int
1178 stub_check_vnode_create(struct ucred *cred, struct vnode *dvp,
1179     struct label *dvplabel, struct componentname *cnp, struct vattr *vap)
1180 {
1181 
1182 	return (0);
1183 }
1184 
1185 static int
1186 stub_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp,
1187     struct label *vplabel, acl_type_t type)
1188 {
1189 
1190 	return (0);
1191 }
1192 
1193 static int
1194 stub_check_vnode_deleteextattr(struct ucred *cred, struct vnode *vp,
1195     struct label *vplabel, int attrnamespace, const char *name)
1196 {
1197 
1198 	return (0);
1199 }
1200 
1201 static int
1202 stub_check_vnode_exec(struct ucred *cred, struct vnode *vp,
1203     struct label *vplabel, struct image_params *imgp,
1204     struct label *execlabel)
1205 {
1206 
1207 	return (0);
1208 }
1209 
1210 static int
1211 stub_check_vnode_getacl(struct ucred *cred, struct vnode *vp,
1212     struct label *vplabel, acl_type_t type)
1213 {
1214 
1215 	return (0);
1216 }
1217 
1218 static int
1219 stub_check_vnode_getextattr(struct ucred *cred, struct vnode *vp,
1220     struct label *vplabel, int attrnamespace, const char *name,
1221     struct uio *uio)
1222 {
1223 
1224 	return (0);
1225 }
1226 
1227 static int
1228 stub_check_vnode_link(struct ucred *cred, struct vnode *dvp,
1229     struct label *dvplabel, struct vnode *vp, struct label *vplabel,
1230     struct componentname *cnp)
1231 {
1232 
1233 	return (0);
1234 }
1235 
1236 static int
1237 stub_check_vnode_listextattr(struct ucred *cred, struct vnode *vp,
1238     struct label *vplabel, int attrnamespace)
1239 {
1240 
1241 	return (0);
1242 }
1243 
1244 static int
1245 stub_check_vnode_lookup(struct ucred *cred, struct vnode *dvp,
1246     struct label *dvplabel, struct componentname *cnp)
1247 {
1248 
1249 	return (0);
1250 }
1251 
1252 static int
1253 stub_check_vnode_mmap(struct ucred *cred, struct vnode *vp,
1254     struct label *vplabel, int prot, int flags)
1255 {
1256 
1257 	return (0);
1258 }
1259 
1260 static void
1261 stub_check_vnode_mmap_downgrade(struct ucred *cred, struct vnode *vp,
1262     struct label *vplabel, int *prot)
1263 {
1264 
1265 }
1266 
1267 static int
1268 stub_check_vnode_mprotect(struct ucred *cred, struct vnode *vp,
1269     struct label *vplabel, int prot)
1270 {
1271 
1272 	return (0);
1273 }
1274 
1275 static int
1276 stub_check_vnode_open(struct ucred *cred, struct vnode *vp,
1277     struct label *vplabel, int acc_mode)
1278 {
1279 
1280 	return (0);
1281 }
1282 
1283 static int
1284 stub_check_vnode_poll(struct ucred *active_cred, struct ucred *file_cred,
1285     struct vnode *vp, struct label *vplabel)
1286 {
1287 
1288 	return (0);
1289 }
1290 
1291 static int
1292 stub_check_vnode_read(struct ucred *active_cred, struct ucred *file_cred,
1293     struct vnode *vp, struct label *vplabel)
1294 {
1295 
1296 	return (0);
1297 }
1298 
1299 static int
1300 stub_check_vnode_readdir(struct ucred *cred, struct vnode *vp,
1301     struct label *dvplabel)
1302 {
1303 
1304 	return (0);
1305 }
1306 
1307 static int
1308 stub_check_vnode_readlink(struct ucred *cred, struct vnode *vp,
1309     struct label *vplabel)
1310 {
1311 
1312 	return (0);
1313 }
1314 
1315 static int
1316 stub_check_vnode_relabel(struct ucred *cred, struct vnode *vp,
1317     struct label *vplabel, struct label *newlabel)
1318 {
1319 
1320 	return (0);
1321 }
1322 
1323 static int
1324 stub_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp,
1325     struct label *dvplabel, struct vnode *vp, struct label *vplabel,
1326     struct componentname *cnp)
1327 {
1328 
1329 	return (0);
1330 }
1331 
1332 static int
1333 stub_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp,
1334     struct label *dvplabel, struct vnode *vp, struct label *vplabel,
1335     int samedir, struct componentname *cnp)
1336 {
1337 
1338 	return (0);
1339 }
1340 
1341 static int
1342 stub_check_vnode_revoke(struct ucred *cred, struct vnode *vp,
1343     struct label *vplabel)
1344 {
1345 
1346 	return (0);
1347 }
1348 
1349 static int
1350 stub_check_vnode_setacl(struct ucred *cred, struct vnode *vp,
1351     struct label *vplabel, acl_type_t type, struct acl *acl)
1352 {
1353 
1354 	return (0);
1355 }
1356 
1357 static int
1358 stub_check_vnode_setextattr(struct ucred *cred, struct vnode *vp,
1359     struct label *vplabel, int attrnamespace, const char *name,
1360     struct uio *uio)
1361 {
1362 
1363 	return (0);
1364 }
1365 
1366 static int
1367 stub_check_vnode_setflags(struct ucred *cred, struct vnode *vp,
1368     struct label *vplabel, u_long flags)
1369 {
1370 
1371 	return (0);
1372 }
1373 
1374 static int
1375 stub_check_vnode_setmode(struct ucred *cred, struct vnode *vp,
1376     struct label *vplabel, mode_t mode)
1377 {
1378 
1379 	return (0);
1380 }
1381 
1382 static int
1383 stub_check_vnode_setowner(struct ucred *cred, struct vnode *vp,
1384     struct label *vplabel, uid_t uid, gid_t gid)
1385 {
1386 
1387 	return (0);
1388 }
1389 
1390 static int
1391 stub_check_vnode_setutimes(struct ucred *cred, struct vnode *vp,
1392     struct label *vplabel, struct timespec atime, struct timespec mtime)
1393 {
1394 
1395 	return (0);
1396 }
1397 
1398 static int
1399 stub_check_vnode_stat(struct ucred *active_cred, struct ucred *file_cred,
1400     struct vnode *vp, struct label *vplabel)
1401 {
1402 
1403 	return (0);
1404 }
1405 
1406 static int
1407 stub_check_vnode_unlink(struct ucred *cred, struct vnode *dvp,
1408     struct label *dvplabel, struct vnode *vp, struct label *vplabel,
1409     struct componentname *cnp)
1410 {
1411 
1412 	return (0);
1413 }
1414 
1415 static int
1416 stub_check_vnode_write(struct ucred *active_cred, struct ucred *file_cred,
1417     struct vnode *vp, struct label *vplabel)
1418 {
1419 
1420 	return (0);
1421 }
1422 
1423 static int
1424 stub_priv_check(struct ucred *cred, int priv)
1425 {
1426 
1427 	return (0);
1428 }
1429 
1430 static int
1431 stub_priv_grant(struct ucred *cred, int priv)
1432 {
1433 
1434 	return (EPERM);
1435 }
1436 
1437 static struct mac_policy_ops mac_stub_ops =
1438 {
1439 	.mpo_destroy = stub_destroy,
1440 	.mpo_init = stub_init,
1441 	.mpo_syscall = stub_syscall,
1442 	.mpo_init_bpfdesc_label = stub_init_label,
1443 	.mpo_init_cred_label = stub_init_label,
1444 	.mpo_init_devfs_label = stub_init_label,
1445 	.mpo_init_ifnet_label = stub_init_label,
1446 	.mpo_init_inpcb_label = stub_init_label_waitcheck,
1447 	.mpo_init_sysv_msgmsg_label = stub_init_label,
1448 	.mpo_init_sysv_msgqueue_label = stub_init_label,
1449 	.mpo_init_sysv_sem_label = stub_init_label,
1450 	.mpo_init_sysv_shm_label = stub_init_label,
1451 	.mpo_init_ipq_label = stub_init_label_waitcheck,
1452 	.mpo_init_mbuf_label = stub_init_label_waitcheck,
1453 	.mpo_init_mount_label = stub_init_label,
1454 	.mpo_init_pipe_label = stub_init_label,
1455 	.mpo_init_posix_sem_label = stub_init_label,
1456 	.mpo_init_socket_label = stub_init_label_waitcheck,
1457 	.mpo_init_socket_peer_label = stub_init_label_waitcheck,
1458 	.mpo_init_vnode_label = stub_init_label,
1459 	.mpo_destroy_bpfdesc_label = stub_destroy_label,
1460 	.mpo_destroy_cred_label = stub_destroy_label,
1461 	.mpo_destroy_devfs_label = stub_destroy_label,
1462 	.mpo_destroy_ifnet_label = stub_destroy_label,
1463 	.mpo_destroy_inpcb_label = stub_destroy_label,
1464 	.mpo_destroy_sysv_msgmsg_label = stub_destroy_label,
1465 	.mpo_destroy_sysv_msgqueue_label = stub_destroy_label,
1466 	.mpo_destroy_sysv_sem_label = stub_destroy_label,
1467 	.mpo_destroy_sysv_shm_label = stub_destroy_label,
1468 	.mpo_destroy_ipq_label = stub_destroy_label,
1469 	.mpo_destroy_mbuf_label = stub_destroy_label,
1470 	.mpo_destroy_mount_label = stub_destroy_label,
1471 	.mpo_destroy_pipe_label = stub_destroy_label,
1472 	.mpo_destroy_posix_sem_label = stub_destroy_label,
1473 	.mpo_destroy_socket_label = stub_destroy_label,
1474 	.mpo_destroy_socket_peer_label = stub_destroy_label,
1475 	.mpo_destroy_vnode_label = stub_destroy_label,
1476 	.mpo_copy_cred_label = stub_copy_label,
1477 	.mpo_copy_ifnet_label = stub_copy_label,
1478 	.mpo_copy_mbuf_label = stub_copy_label,
1479 	.mpo_copy_pipe_label = stub_copy_label,
1480 	.mpo_copy_socket_label = stub_copy_label,
1481 	.mpo_copy_vnode_label = stub_copy_label,
1482 	.mpo_externalize_cred_label = stub_externalize_label,
1483 	.mpo_externalize_ifnet_label = stub_externalize_label,
1484 	.mpo_externalize_pipe_label = stub_externalize_label,
1485 	.mpo_externalize_socket_label = stub_externalize_label,
1486 	.mpo_externalize_socket_peer_label = stub_externalize_label,
1487 	.mpo_externalize_vnode_label = stub_externalize_label,
1488 	.mpo_internalize_cred_label = stub_internalize_label,
1489 	.mpo_internalize_ifnet_label = stub_internalize_label,
1490 	.mpo_internalize_pipe_label = stub_internalize_label,
1491 	.mpo_internalize_socket_label = stub_internalize_label,
1492 	.mpo_internalize_vnode_label = stub_internalize_label,
1493 	.mpo_associate_vnode_devfs = stub_associate_vnode_devfs,
1494 	.mpo_associate_vnode_extattr = stub_associate_vnode_extattr,
1495 	.mpo_associate_nfsd_label = stub_associate_nfsd_label,
1496 	.mpo_associate_vnode_singlelabel = stub_associate_vnode_singlelabel,
1497 	.mpo_create_devfs_device = stub_create_devfs_device,
1498 	.mpo_create_devfs_directory = stub_create_devfs_directory,
1499 	.mpo_create_devfs_symlink = stub_create_devfs_symlink,
1500 	.mpo_create_sysv_msgmsg = stub_create_sysv_msgmsg,
1501 	.mpo_create_sysv_msgqueue = stub_create_sysv_msgqueue,
1502 	.mpo_create_sysv_sem = stub_create_sysv_sem,
1503 	.mpo_create_sysv_shm = stub_create_sysv_shm,
1504 	.mpo_create_vnode_extattr = stub_create_vnode_extattr,
1505 	.mpo_create_mount = stub_create_mount,
1506 	.mpo_relabel_vnode = stub_relabel_vnode,
1507 	.mpo_setlabel_vnode_extattr = stub_setlabel_vnode_extattr,
1508 	.mpo_update_devfs = stub_update_devfs,
1509 	.mpo_create_mbuf_from_socket = stub_create_mbuf_from_socket,
1510 	.mpo_create_pipe = stub_create_pipe,
1511 	.mpo_create_posix_sem = stub_create_posix_sem,
1512 	.mpo_create_socket = stub_create_socket,
1513 	.mpo_create_socket_from_socket = stub_create_socket_from_socket,
1514 	.mpo_relabel_pipe = stub_relabel_pipe,
1515 	.mpo_relabel_socket = stub_relabel_socket,
1516 	.mpo_set_socket_peer_from_mbuf = stub_set_socket_peer_from_mbuf,
1517 	.mpo_set_socket_peer_from_socket = stub_set_socket_peer_from_socket,
1518 	.mpo_create_bpfdesc = stub_create_bpfdesc,
1519 	.mpo_create_ifnet = stub_create_ifnet,
1520 	.mpo_create_inpcb_from_socket = stub_create_inpcb_from_socket,
1521 	.mpo_create_ipq = stub_create_ipq,
1522 	.mpo_create_datagram_from_ipq = stub_create_datagram_from_ipq,
1523 	.mpo_create_fragment = stub_create_fragment,
1524 	.mpo_create_mbuf_from_inpcb = stub_create_mbuf_from_inpcb,
1525 	.mpo_create_mbuf_linklayer = stub_create_mbuf_linklayer,
1526 	.mpo_create_mbuf_from_bpfdesc = stub_create_mbuf_from_bpfdesc,
1527 	.mpo_create_mbuf_from_ifnet = stub_create_mbuf_from_ifnet,
1528 	.mpo_create_mbuf_multicast_encap = stub_create_mbuf_multicast_encap,
1529 	.mpo_create_mbuf_netlayer = stub_create_mbuf_netlayer,
1530 	.mpo_create_mbuf_from_firewall = stub_create_mbuf_from_firewall,
1531 	.mpo_fragment_match = stub_fragment_match,
1532 	.mpo_reflect_mbuf_icmp = stub_reflect_mbuf_icmp,
1533 	.mpo_reflect_mbuf_tcp = stub_reflect_mbuf_tcp,
1534 	.mpo_relabel_ifnet = stub_relabel_ifnet,
1535 	.mpo_update_ipq = stub_update_ipq,
1536 	.mpo_inpcb_sosetlabel = stub_inpcb_sosetlabel,
1537 	.mpo_execve_transition = stub_execve_transition,
1538 	.mpo_execve_will_transition = stub_execve_will_transition,
1539 	.mpo_create_proc0 = stub_create_proc0,
1540 	.mpo_create_proc1 = stub_create_proc1,
1541 	.mpo_relabel_cred = stub_relabel_cred,
1542 	.mpo_thread_userret = stub_thread_userret,
1543 	.mpo_cleanup_sysv_msgmsg = stub_cleanup_sysv_msgmsg,
1544 	.mpo_cleanup_sysv_msgqueue = stub_cleanup_sysv_msgqueue,
1545 	.mpo_cleanup_sysv_sem = stub_cleanup_sysv_sem,
1546 	.mpo_cleanup_sysv_shm = stub_cleanup_sysv_shm,
1547 	.mpo_check_bpfdesc_receive = stub_check_bpfdesc_receive,
1548 	.mpo_check_cred_relabel = stub_check_cred_relabel,
1549 	.mpo_check_cred_visible = stub_check_cred_visible,
1550 	.mpo_check_ifnet_relabel = stub_check_ifnet_relabel,
1551 	.mpo_check_ifnet_transmit = stub_check_ifnet_transmit,
1552 	.mpo_check_inpcb_deliver = stub_check_inpcb_deliver,
1553 	.mpo_check_sysv_msgmsq = stub_check_sysv_msgmsq,
1554 	.mpo_check_sysv_msgrcv = stub_check_sysv_msgrcv,
1555 	.mpo_check_sysv_msgrmid = stub_check_sysv_msgrmid,
1556 	.mpo_check_sysv_msqget = stub_check_sysv_msqget,
1557 	.mpo_check_sysv_msqsnd = stub_check_sysv_msqsnd,
1558 	.mpo_check_sysv_msqrcv = stub_check_sysv_msqrcv,
1559 	.mpo_check_sysv_msqctl = stub_check_sysv_msqctl,
1560 	.mpo_check_sysv_semctl = stub_check_sysv_semctl,
1561 	.mpo_check_sysv_semget = stub_check_sysv_semget,
1562 	.mpo_check_sysv_semop = stub_check_sysv_semop,
1563 	.mpo_check_sysv_shmat = stub_check_sysv_shmat,
1564 	.mpo_check_sysv_shmctl = stub_check_sysv_shmctl,
1565 	.mpo_check_sysv_shmdt = stub_check_sysv_shmdt,
1566 	.mpo_check_sysv_shmget = stub_check_sysv_shmget,
1567 	.mpo_check_kenv_dump = stub_check_kenv_dump,
1568 	.mpo_check_kenv_get = stub_check_kenv_get,
1569 	.mpo_check_kenv_set = stub_check_kenv_set,
1570 	.mpo_check_kenv_unset = stub_check_kenv_unset,
1571 	.mpo_check_kld_load = stub_check_kld_load,
1572 	.mpo_check_kld_stat = stub_check_kld_stat,
1573 	.mpo_check_mount_stat = stub_check_mount_stat,
1574 	.mpo_check_pipe_ioctl = stub_check_pipe_ioctl,
1575 	.mpo_check_pipe_poll = stub_check_pipe_poll,
1576 	.mpo_check_pipe_read = stub_check_pipe_read,
1577 	.mpo_check_pipe_relabel = stub_check_pipe_relabel,
1578 	.mpo_check_pipe_stat = stub_check_pipe_stat,
1579 	.mpo_check_pipe_write = stub_check_pipe_write,
1580 	.mpo_check_posix_sem_destroy = stub_check_posix_sem_destroy,
1581 	.mpo_check_posix_sem_getvalue = stub_check_posix_sem_getvalue,
1582 	.mpo_check_posix_sem_open = stub_check_posix_sem_open,
1583 	.mpo_check_posix_sem_post = stub_check_posix_sem_post,
1584 	.mpo_check_posix_sem_unlink = stub_check_posix_sem_unlink,
1585 	.mpo_check_posix_sem_wait = stub_check_posix_sem_wait,
1586 	.mpo_check_proc_debug = stub_check_proc_debug,
1587 	.mpo_check_proc_sched = stub_check_proc_sched,
1588 	.mpo_check_proc_setaudit = stub_check_proc_setaudit,
1589 	.mpo_check_proc_setaudit_addr = stub_check_proc_setaudit_addr,
1590 	.mpo_check_proc_setauid = stub_check_proc_setauid,
1591 	.mpo_check_proc_setuid = stub_check_proc_setuid,
1592 	.mpo_check_proc_seteuid = stub_check_proc_seteuid,
1593 	.mpo_check_proc_setgid = stub_check_proc_setgid,
1594 	.mpo_check_proc_setegid = stub_check_proc_setegid,
1595 	.mpo_check_proc_setgroups = stub_check_proc_setgroups,
1596 	.mpo_check_proc_setreuid = stub_check_proc_setreuid,
1597 	.mpo_check_proc_setregid = stub_check_proc_setregid,
1598 	.mpo_check_proc_setresuid = stub_check_proc_setresuid,
1599 	.mpo_check_proc_setresgid = stub_check_proc_setresgid,
1600 	.mpo_check_proc_signal = stub_check_proc_signal,
1601 	.mpo_check_proc_wait = stub_check_proc_wait,
1602 	.mpo_check_socket_accept = stub_check_socket_accept,
1603 	.mpo_check_socket_bind = stub_check_socket_bind,
1604 	.mpo_check_socket_connect = stub_check_socket_connect,
1605 	.mpo_check_socket_create = stub_check_socket_create,
1606 	.mpo_check_socket_deliver = stub_check_socket_deliver,
1607 	.mpo_check_socket_listen = stub_check_socket_listen,
1608 	.mpo_check_socket_poll = stub_check_socket_poll,
1609 	.mpo_check_socket_receive = stub_check_socket_receive,
1610 	.mpo_check_socket_relabel = stub_check_socket_relabel,
1611 	.mpo_check_socket_send = stub_check_socket_send,
1612 	.mpo_check_socket_stat = stub_check_socket_stat,
1613 	.mpo_check_socket_visible = stub_check_socket_visible,
1614 	.mpo_check_system_acct = stub_check_system_acct,
1615 	.mpo_check_system_audit = stub_check_system_audit,
1616 	.mpo_check_system_auditctl = stub_check_system_auditctl,
1617 	.mpo_check_system_auditon = stub_check_system_auditon,
1618 	.mpo_check_system_reboot = stub_check_system_reboot,
1619 	.mpo_check_system_swapoff = stub_check_system_swapoff,
1620 	.mpo_check_system_swapon = stub_check_system_swapon,
1621 	.mpo_check_system_sysctl = stub_check_system_sysctl,
1622 	.mpo_check_vnode_access = stub_check_vnode_access,
1623 	.mpo_check_vnode_chdir = stub_check_vnode_chdir,
1624 	.mpo_check_vnode_chroot = stub_check_vnode_chroot,
1625 	.mpo_check_vnode_create = stub_check_vnode_create,
1626 	.mpo_check_vnode_deleteacl = stub_check_vnode_deleteacl,
1627 	.mpo_check_vnode_deleteextattr = stub_check_vnode_deleteextattr,
1628 	.mpo_check_vnode_exec = stub_check_vnode_exec,
1629 	.mpo_check_vnode_getacl = stub_check_vnode_getacl,
1630 	.mpo_check_vnode_getextattr = stub_check_vnode_getextattr,
1631 	.mpo_check_vnode_link = stub_check_vnode_link,
1632 	.mpo_check_vnode_listextattr = stub_check_vnode_listextattr,
1633 	.mpo_check_vnode_lookup = stub_check_vnode_lookup,
1634 	.mpo_check_vnode_mmap = stub_check_vnode_mmap,
1635 	.mpo_check_vnode_mmap_downgrade = stub_check_vnode_mmap_downgrade,
1636 	.mpo_check_vnode_mprotect = stub_check_vnode_mprotect,
1637 	.mpo_check_vnode_open = stub_check_vnode_open,
1638 	.mpo_check_vnode_poll = stub_check_vnode_poll,
1639 	.mpo_check_vnode_read = stub_check_vnode_read,
1640 	.mpo_check_vnode_readdir = stub_check_vnode_readdir,
1641 	.mpo_check_vnode_readlink = stub_check_vnode_readlink,
1642 	.mpo_check_vnode_relabel = stub_check_vnode_relabel,
1643 	.mpo_check_vnode_rename_from = stub_check_vnode_rename_from,
1644 	.mpo_check_vnode_rename_to = stub_check_vnode_rename_to,
1645 	.mpo_check_vnode_revoke = stub_check_vnode_revoke,
1646 	.mpo_check_vnode_setacl = stub_check_vnode_setacl,
1647 	.mpo_check_vnode_setextattr = stub_check_vnode_setextattr,
1648 	.mpo_check_vnode_setflags = stub_check_vnode_setflags,
1649 	.mpo_check_vnode_setmode = stub_check_vnode_setmode,
1650 	.mpo_check_vnode_setowner = stub_check_vnode_setowner,
1651 	.mpo_check_vnode_setutimes = stub_check_vnode_setutimes,
1652 	.mpo_check_vnode_stat = stub_check_vnode_stat,
1653 	.mpo_check_vnode_unlink = stub_check_vnode_unlink,
1654 	.mpo_check_vnode_write = stub_check_vnode_write,
1655 	.mpo_priv_check = stub_priv_check,
1656 	.mpo_priv_grant = stub_priv_grant,
1657 	.mpo_init_syncache_label = stub_init_label_waitcheck,
1658 	.mpo_destroy_syncache_label = stub_destroy_label,
1659 	.mpo_init_syncache_from_inpcb = stub_init_syncache_from_inpcb,
1660 	.mpo_create_mbuf_from_syncache = stub_create_mbuf_from_syncache,
1661 };
1662 
1663 MAC_POLICY_SET(&mac_stub_ops, mac_stub, "TrustedBSD MAC/Stub",
1664     MPC_LOADTIME_FLAG_UNLOADOK, NULL);
1665