xref: /freebsd/sys/security/mac_stub/mac_stub.c (revision bfe691b2f75de2224c7ceb304ebcdef2b42d4179)
1 /*-
2  * Copyright (c) 1999-2002 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 *fslabel,
167     struct devfs_dirent *de, struct label *delabel, struct vnode *vp,
168     struct label *vlabel)
169 {
170 
171 }
172 
173 static int
174 stub_associate_vnode_extattr(struct mount *mp, struct label *fslabel,
175     struct vnode *vp, struct label *vlabel)
176 {
177 
178 	return (0);
179 }
180 
181 static void
182 stub_associate_vnode_singlelabel(struct mount *mp,
183     struct label *fslabel, struct vnode *vp, struct label *vlabel)
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 *devfs_dirent, struct label *label)
197 {
198 
199 }
200 
201 static void
202 stub_create_devfs_directory(struct mount *mp, char *dirname,
203     int dirnamelen, struct devfs_dirent *devfs_dirent, struct label *label)
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 *fslabel, struct vnode *dvp, struct label *dlabel,
219     struct vnode *vp, struct label *vlabel, 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 *mntlabel, struct label *fslabel)
228 {
229 
230 }
231 
232 static void
233 stub_relabel_vnode(struct ucred *cred, struct vnode *vp,
234     struct label *vnodelabel, struct label *label)
235 {
236 
237 }
238 
239 static int
240 stub_setlabel_vnode_extattr(struct ucred *cred, struct vnode *vp,
241     struct label *vlabel, struct label *intlabel)
242 {
243 
244 	return (0);
245 }
246 
247 static void
248 stub_update_devfsdirent(struct mount *mp,
249     struct devfs_dirent *devfs_dirent, struct label *direntlabel,
250     struct vnode *vp, struct label *vnodelabel)
251 {
252 
253 }
254 
255 /*
256  * Labeling event operations: IPC object.
257  */
258 static void
259 stub_create_mbuf_from_socket(struct socket *so, struct label *socketlabel,
260     struct mbuf *m, struct label *mbuflabel)
261 {
262 
263 }
264 
265 static void
266 stub_create_socket(struct ucred *cred, struct socket *socket,
267     struct label *socketlabel)
268 {
269 
270 }
271 
272 static void
273 stub_create_pipe(struct ucred *cred, struct pipepair *pp,
274     struct label *pipelabel)
275 {
276 
277 }
278 
279 static void
280 stub_create_posix_sem(struct ucred *cred, struct ksem *ksemptr,
281     struct label *ks_label)
282 {
283 
284 }
285 
286 static void
287 stub_create_socket_from_socket(struct socket *oldsocket,
288     struct label *oldsocketlabel, struct socket *newsocket,
289     struct label *newsocketlabel)
290 {
291 
292 }
293 
294 static void
295 stub_relabel_socket(struct ucred *cred, struct socket *socket,
296     struct label *socketlabel, struct label *newlabel)
297 {
298 
299 }
300 
301 static void
302 stub_relabel_pipe(struct ucred *cred, struct pipepair *pp,
303     struct label *pipelabel, struct label *newlabel)
304 {
305 
306 }
307 
308 static void
309 stub_set_socket_peer_from_mbuf(struct mbuf *mbuf, struct label *mbuflabel,
310     struct socket *socket, struct label *socketpeerlabel)
311 {
312 
313 }
314 
315 static void
316 stub_set_socket_peer_from_socket(struct socket *oldsocket,
317     struct label *oldsocketlabel, struct socket *newsocket,
318     struct label *newsocketpeerlabel)
319 {
320 
321 }
322 
323 /*
324  * Labeling event operations: network objects.
325  */
326 static void
327 stub_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d,
328     struct label *bpflabel)
329 {
330 
331 }
332 
333 static void
334 stub_create_datagram_from_ipq(struct ipq *ipq, struct label *ipqlabel,
335     struct mbuf *datagram, struct label *datagramlabel)
336 {
337 
338 }
339 
340 static void
341 stub_create_fragment(struct mbuf *datagram, struct label *datagramlabel,
342     struct mbuf *fragment, struct label *fragmentlabel)
343 {
344 
345 }
346 
347 static void
348 stub_create_ifnet(struct ifnet *ifnet, struct label *ifnetlabel)
349 {
350 
351 }
352 
353 static void
354 stub_create_inpcb_from_socket(struct socket *so, struct label *solabel,
355     struct inpcb *inp, struct label *inplabel)
356 {
357 
358 }
359 
360 static void
361 stub_init_syncache_from_inpcb(struct label *label, struct inpcb *inp)
362 {
363 
364 }
365 
366 static void
367 stub_create_sysv_msgmsg(struct ucred *cred, struct msqid_kernel *msqkptr,
368     struct label *msqlabel, struct msg *msgptr, struct label *msglabel)
369 {
370 
371 }
372 
373 static void
374 stub_create_sysv_msgqueue(struct ucred *cred, struct msqid_kernel *msqkptr,
375     struct label *msqlabel)
376 {
377 
378 }
379 
380 static void
381 stub_create_sysv_sem(struct ucred *cred, struct semid_kernel *semakptr,
382     struct label *semalabel)
383 {
384 
385 }
386 
387 static void
388 stub_create_sysv_shm(struct ucred *cred, struct shmid_kernel *shmsegptr,
389     struct label *shmalabel)
390 {
391 
392 }
393 
394 static void
395 stub_create_ipq(struct mbuf *fragment, struct label *fragmentlabel,
396     struct ipq *ipq, struct label *ipqlabel)
397 {
398 
399 }
400 
401 static void
402 stub_create_mbuf_from_inpcb(struct inpcb *inp, struct label *inplabel,
403     struct mbuf *m, struct label *mlabel)
404 {
405 
406 }
407 
408 static void
409 stub_create_mbuf_from_syncache(struct label *sc_label, struct mbuf *m,
410 
411     struct label *mbuf_label)
412 {
413 
414 }
415 
416 static void
417 stub_create_mbuf_linklayer(struct ifnet *ifnet, struct label *ifnetlabel,
418     struct mbuf *mbuf, struct label *mbuflabel)
419 {
420 
421 }
422 
423 static void
424 stub_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct label *bpflabel,
425     struct mbuf *mbuf, struct label *mbuflabel)
426 {
427 
428 }
429 
430 static void
431 stub_create_mbuf_from_ifnet(struct ifnet *ifnet, struct label *ifnetlabel,
432     struct mbuf *m, struct label *mbuflabel)
433 {
434 
435 }
436 
437 static void
438 stub_create_mbuf_multicast_encap(struct mbuf *oldmbuf,
439     struct label *oldmbuflabel, struct ifnet *ifnet, struct label *ifnetlabel,
440     struct mbuf *newmbuf, struct label *newmbuflabel)
441 {
442 
443 }
444 
445 static void
446 stub_create_mbuf_netlayer(struct mbuf *oldmbuf,
447     struct label *oldmbuflabel, struct mbuf *newmbuf, struct label *newmbuflabel)
448 {
449 
450 }
451 
452 static void
453 stub_create_mbuf_from_firewall(struct mbuf *m, struct label *label)
454 {
455 
456 }
457 
458 static int
459 stub_fragment_match(struct mbuf *fragment, struct label *fragmentlabel,
460     struct ipq *ipq, struct label *ipqlabel)
461 {
462 
463 	return (1);
464 }
465 
466 static void
467 stub_reflect_mbuf_icmp(struct mbuf *m, struct label *mlabel)
468 {
469 
470 }
471 
472 static void
473 stub_reflect_mbuf_tcp(struct mbuf *m, struct label *mlabel)
474 {
475 
476 }
477 
478 static void
479 stub_relabel_ifnet(struct ucred *cred, struct ifnet *ifnet,
480     struct label *ifnetlabel, struct label *newlabel)
481 {
482 
483 }
484 
485 static void
486 stub_update_ipq(struct mbuf *fragment, struct label *fragmentlabel,
487     struct ipq *ipq, struct label *ipqlabel)
488 {
489 
490 }
491 
492 static void
493 stub_inpcb_sosetlabel(struct socket *so, struct label *solabel,
494     struct inpcb *inp, struct label *inplabel)
495 {
496 
497 }
498 
499 /*
500  * Labeling event operations: processes.
501  */
502 static void
503 stub_execve_transition(struct ucred *old, struct ucred *new,
504     struct vnode *vp, struct label *vnodelabel,
505     struct label *interpvnodelabel, struct image_params *imgp,
506     struct label *execlabel)
507 {
508 
509 }
510 
511 static int
512 stub_execve_will_transition(struct ucred *old, struct vnode *vp,
513     struct label *vnodelabel, struct label *interpvnodelabel,
514     struct image_params *imgp, struct label *execlabel)
515 {
516 
517 	return (0);
518 }
519 
520 static void
521 stub_create_proc0(struct ucred *cred)
522 {
523 
524 }
525 
526 static void
527 stub_create_proc1(struct ucred *cred)
528 {
529 
530 }
531 
532 static void
533 stub_relabel_cred(struct ucred *cred, struct label *newlabel)
534 {
535 
536 }
537 
538 static void
539 stub_thread_userret(struct thread *td)
540 {
541 
542 }
543 
544 /*
545  * Label cleanup/flush operations
546  */
547 static void
548 stub_cleanup_sysv_msgmsg(struct label *msglabel)
549 {
550 
551 }
552 
553 static void
554 stub_cleanup_sysv_msgqueue(struct label *msqlabel)
555 {
556 
557 }
558 
559 static void
560 stub_cleanup_sysv_sem(struct label *semalabel)
561 {
562 
563 }
564 
565 static void
566 stub_cleanup_sysv_shm(struct label *shmlabel)
567 {
568 
569 }
570 
571 /*
572  * Access control checks.
573  */
574 static int
575 stub_check_bpfdesc_receive(struct bpf_d *bpf_d, struct label *bpflabel,
576     struct ifnet *ifnet, struct label *ifnet_label)
577 {
578 
579         return (0);
580 }
581 
582 static int
583 stub_check_cred_relabel(struct ucred *cred, struct label *newlabel)
584 {
585 
586 	return (0);
587 }
588 
589 static int
590 stub_check_cred_visible(struct ucred *u1, struct ucred *u2)
591 {
592 
593 	return (0);
594 }
595 
596 static int
597 stub_check_ifnet_relabel(struct ucred *cred, struct ifnet *ifnet,
598     struct label *ifnetlabel, struct label *newlabel)
599 {
600 
601 	return (0);
602 }
603 
604 static int
605 stub_check_ifnet_transmit(struct ifnet *ifnet, struct label *ifnetlabel,
606     struct mbuf *m, struct label *mbuflabel)
607 {
608 
609 	return (0);
610 }
611 
612 static int
613 stub_check_inpcb_deliver(struct inpcb *inp, struct label *inplabel,
614     struct mbuf *m, struct label *mlabel)
615 {
616 
617 	return (0);
618 }
619 
620 static int
621 stub_check_sysv_msgmsq(struct ucred *cred, struct msg *msgptr,
622     struct label *msglabel, struct msqid_kernel *msqkptr,
623     struct label *msqklabel)
624 {
625 
626 	return (0);
627 }
628 
629 static int
630 stub_check_sysv_msgrcv(struct ucred *cred, struct msg *msgptr,
631     struct label *msglabel)
632 {
633 
634 	return (0);
635 }
636 
637 
638 static int
639 stub_check_sysv_msgrmid(struct ucred *cred, struct msg *msgptr,
640     struct label *msglabel)
641 {
642 
643 	return (0);
644 }
645 
646 
647 static int
648 stub_check_sysv_msqget(struct ucred *cred, struct msqid_kernel *msqkptr,
649     struct label *msqklabel)
650 {
651 
652 	return (0);
653 }
654 
655 
656 static int
657 stub_check_sysv_msqsnd(struct ucred *cred, struct msqid_kernel *msqkptr,
658     struct label *msqklabel)
659 {
660 
661 	return (0);
662 }
663 
664 static int
665 stub_check_sysv_msqrcv(struct ucred *cred, struct msqid_kernel *msqkptr,
666     struct label *msqklabel)
667 {
668 
669 	return (0);
670 }
671 
672 
673 static int
674 stub_check_sysv_msqctl(struct ucred *cred, struct msqid_kernel *msqkptr,
675     struct label *msqklabel, int cmd)
676 {
677 
678 	return (0);
679 }
680 
681 
682 static int
683 stub_check_sysv_semctl(struct ucred *cred, struct semid_kernel *semakptr,
684     struct label *semaklabel, int cmd)
685 {
686 
687 	return (0);
688 }
689 
690 static int
691 stub_check_sysv_semget(struct ucred *cred, struct semid_kernel *semakptr,
692     struct label *semaklabel)
693 {
694 
695 	return (0);
696 }
697 
698 
699 static int
700 stub_check_sysv_semop(struct ucred *cred, struct semid_kernel *semakptr,
701     struct label *semaklabel, size_t accesstype)
702 {
703 
704 	return (0);
705 }
706 
707 static int
708 stub_check_sysv_shmat(struct ucred *cred, struct shmid_kernel *shmsegptr,
709     struct label *shmseglabel, int shmflg)
710 {
711 
712 	return (0);
713 }
714 
715 static int
716 stub_check_sysv_shmctl(struct ucred *cred, struct shmid_kernel *shmsegptr,
717     struct label *shmseglabel, int cmd)
718 {
719 
720 	return (0);
721 }
722 
723 static int
724 stub_check_sysv_shmdt(struct ucred *cred, struct shmid_kernel *shmsegptr,
725     struct label *shmseglabel)
726 {
727 
728 	return (0);
729 }
730 
731 
732 static int
733 stub_check_sysv_shmget(struct ucred *cred, struct shmid_kernel *shmsegptr,
734     struct label *shmseglabel, int shmflg)
735 {
736 
737 	return (0);
738 }
739 
740 static int
741 stub_check_kenv_dump(struct ucred *cred)
742 {
743 
744 	return (0);
745 }
746 
747 static int
748 stub_check_kenv_get(struct ucred *cred, char *name)
749 {
750 
751 	return (0);
752 }
753 
754 static int
755 stub_check_kenv_set(struct ucred *cred, char *name, char *value)
756 {
757 
758 	return (0);
759 }
760 
761 static int
762 stub_check_kenv_unset(struct ucred *cred, char *name)
763 {
764 
765 	return (0);
766 }
767 
768 static int
769 stub_check_kld_load(struct ucred *cred, struct vnode *vp,
770     struct label *vlabel)
771 {
772 
773 	return (0);
774 }
775 
776 static int
777 stub_check_kld_stat(struct ucred *cred)
778 {
779 
780 	return (0);
781 }
782 
783 static int
784 stub_check_kld_unload(struct ucred *cred)
785 {
786 
787 	return (0);
788 }
789 
790 static int
791 stub_check_mount_stat(struct ucred *cred, struct mount *mp,
792     struct label *mntlabel)
793 {
794 
795 	return (0);
796 }
797 
798 static int
799 stub_check_pipe_ioctl(struct ucred *cred, struct pipepair *pp,
800     struct label *pipelabel, unsigned long cmd, void /* caddr_t */ *data)
801 {
802 
803 	return (0);
804 }
805 
806 static int
807 stub_check_pipe_poll(struct ucred *cred, struct pipepair *pp,
808     struct label *pipelabel)
809 {
810 
811 	return (0);
812 }
813 
814 static int
815 stub_check_pipe_read(struct ucred *cred, struct pipepair *pp,
816     struct label *pipelabel)
817 {
818 
819 	return (0);
820 }
821 
822 static int
823 stub_check_pipe_relabel(struct ucred *cred, struct pipepair *pp,
824     struct label *pipelabel, struct label *newlabel)
825 {
826 
827 	return (0);
828 }
829 
830 static int
831 stub_check_pipe_stat(struct ucred *cred, struct pipepair *pp,
832     struct label *pipelabel)
833 {
834 
835 	return (0);
836 }
837 
838 static int
839 stub_check_pipe_write(struct ucred *cred, struct pipepair *pp,
840     struct label *pipelabel)
841 {
842 
843 	return (0);
844 }
845 
846 static int
847 stub_check_posix_sem_destroy(struct ucred *cred, struct ksem *ksemptr,
848     struct label *ks_label)
849 {
850 
851 	return (0);
852 }
853 
854 static int
855 stub_check_posix_sem_getvalue(struct ucred *cred, struct ksem *ksemptr,
856     struct label *ks_label)
857 {
858 
859 	return (0);
860 }
861 
862 static int
863 stub_check_posix_sem_open(struct ucred *cred, struct ksem *ksemptr,
864     struct label *ks_label)
865 {
866 
867 	return (0);
868 }
869 
870 static int
871 stub_check_posix_sem_post(struct ucred *cred, struct ksem *ksemptr,
872     struct label *ks_label)
873 {
874 
875 	return (0);
876 }
877 
878 static int
879 stub_check_posix_sem_unlink(struct ucred *cred, struct ksem *ksemptr,
880     struct label *ks_label)
881 {
882 
883 	return (0);
884 }
885 
886 static int
887 stub_check_posix_sem_wait(struct ucred *cred, struct ksem *ksemptr,
888     struct label *ks_label)
889 {
890 
891 	return (0);
892 }
893 
894 static int
895 stub_check_proc_debug(struct ucred *cred, struct proc *proc)
896 {
897 
898 	return (0);
899 }
900 
901 static int
902 stub_check_proc_sched(struct ucred *cred, struct proc *proc)
903 {
904 
905 	return (0);
906 }
907 
908 static int
909 stub_check_proc_signal(struct ucred *cred, struct proc *proc, int signum)
910 {
911 
912 	return (0);
913 }
914 
915 static int
916 stub_check_proc_wait(struct ucred *cred, struct proc *proc)
917 {
918 
919 	return (0);
920 }
921 
922 static int
923 stub_check_proc_setuid(struct ucred *cred, uid_t uid)
924 {
925 
926 	return (0);
927 }
928 
929 static int
930 stub_check_proc_seteuid(struct ucred *cred, uid_t euid)
931 {
932 
933 	return (0);
934 }
935 
936 static int
937 stub_check_proc_setgid(struct ucred *cred, gid_t gid)
938 {
939 
940 	return (0);
941 }
942 
943 static int
944 stub_check_proc_setegid(struct ucred *cred, gid_t egid)
945 {
946 
947 	return (0);
948 }
949 
950 static int
951 stub_check_proc_setgroups(struct ucred *cred, int ngroups,
952 	gid_t *gidset)
953 {
954 
955 	return (0);
956 }
957 
958 static int
959 stub_check_proc_setreuid(struct ucred *cred, uid_t ruid, uid_t euid)
960 {
961 
962 	return (0);
963 }
964 
965 static int
966 stub_check_proc_setregid(struct ucred *cred, gid_t rgid, gid_t egid)
967 {
968 
969 	return (0);
970 }
971 
972 static int
973 stub_check_proc_setresuid(struct ucred *cred, uid_t ruid, uid_t euid,
974 	uid_t suid)
975 {
976 
977 	return (0);
978 }
979 
980 static int
981 stub_check_proc_setresgid(struct ucred *cred, gid_t rgid, gid_t egid,
982 	gid_t sgid)
983 {
984 
985 	return (0);
986 }
987 
988 static int
989 stub_check_socket_accept(struct ucred *cred, struct socket *socket,
990     struct label *socketlabel)
991 {
992 
993 	return (0);
994 }
995 
996 static int
997 stub_check_socket_bind(struct ucred *cred, struct socket *socket,
998     struct label *socketlabel, struct sockaddr *sockaddr)
999 {
1000 
1001 	return (0);
1002 }
1003 
1004 static int
1005 stub_check_socket_connect(struct ucred *cred, struct socket *socket,
1006     struct label *socketlabel, struct sockaddr *sockaddr)
1007 {
1008 
1009 	return (0);
1010 }
1011 
1012 static int
1013 stub_check_socket_create(struct ucred *cred, int domain, int type,
1014     int protocol)
1015 {
1016 
1017 	return (0);
1018 }
1019 
1020 static int
1021 stub_check_socket_deliver(struct socket *so, struct label *socketlabel,
1022     struct mbuf *m, struct label *mbuflabel)
1023 {
1024 
1025 	return (0);
1026 }
1027 
1028 static int
1029 stub_check_socket_listen(struct ucred *cred, struct socket *so,
1030     struct label *socketlabel)
1031 {
1032 
1033 	return (0);
1034 }
1035 
1036 static int
1037 stub_check_socket_poll(struct ucred *cred, struct socket *so,
1038     struct label *socketlabel)
1039 {
1040 
1041 	return (0);
1042 }
1043 
1044 static int
1045 stub_check_socket_receive(struct ucred *cred, struct socket *so,
1046     struct label *socketlabel)
1047 {
1048 
1049 	return (0);
1050 }
1051 
1052 static int
1053 stub_check_socket_relabel(struct ucred *cred, struct socket *socket,
1054     struct label *socketlabel, struct label *newlabel)
1055 {
1056 
1057 	return (0);
1058 }
1059 static int
1060 stub_check_socket_send(struct ucred *cred, struct socket *so,
1061     struct label *socketlabel)
1062 {
1063 
1064 	return (0);
1065 }
1066 
1067 static int
1068 stub_check_socket_stat(struct ucred *cred, struct socket *so,
1069     struct label *socketlabel)
1070 {
1071 
1072 	return (0);
1073 }
1074 
1075 static int
1076 stub_check_socket_visible(struct ucred *cred, struct socket *socket,
1077    struct label *socketlabel)
1078 {
1079 
1080 	return (0);
1081 }
1082 
1083 static int
1084 stub_check_sysarch_ioperm(struct ucred *cred)
1085 {
1086 
1087 	return (0);
1088 }
1089 
1090 static int
1091 stub_check_system_acct(struct ucred *cred, struct vnode *vp,
1092     struct label *vlabel)
1093 {
1094 
1095 	return (0);
1096 }
1097 
1098 static int
1099 stub_check_system_nfsd(struct ucred *cred)
1100 {
1101 
1102 	return (0);
1103 }
1104 
1105 static int
1106 stub_check_system_reboot(struct ucred *cred, int how)
1107 {
1108 
1109 	return (0);
1110 }
1111 
1112 static int
1113 stub_check_system_settime(struct ucred *cred)
1114 {
1115 
1116 	return (0);
1117 }
1118 
1119 static int
1120 stub_check_system_swapon(struct ucred *cred, struct vnode *vp,
1121     struct label *label)
1122 {
1123 
1124 	return (0);
1125 }
1126 
1127 static int
1128 stub_check_system_swapoff(struct ucred *cred, struct vnode *vp,
1129     struct label *label)
1130 {
1131 
1132 	return (0);
1133 }
1134 
1135 static int
1136 stub_check_system_sysctl(struct ucred *cred, struct sysctl_oid *oidp,
1137     void *arg1, int arg2, struct sysctl_req *req)
1138 {
1139 
1140 	return (0);
1141 }
1142 
1143 static int
1144 stub_check_vnode_access(struct ucred *cred, struct vnode *vp,
1145     struct label *label, int acc_mode)
1146 {
1147 
1148 	return (0);
1149 }
1150 
1151 static int
1152 stub_check_vnode_chdir(struct ucred *cred, struct vnode *dvp,
1153     struct label *dlabel)
1154 {
1155 
1156 	return (0);
1157 }
1158 
1159 static int
1160 stub_check_vnode_chroot(struct ucred *cred, struct vnode *dvp,
1161     struct label *dlabel)
1162 {
1163 
1164 	return (0);
1165 }
1166 
1167 static int
1168 stub_check_vnode_create(struct ucred *cred, struct vnode *dvp,
1169     struct label *dlabel, struct componentname *cnp, struct vattr *vap)
1170 {
1171 
1172 	return (0);
1173 }
1174 
1175 static int
1176 stub_check_vnode_delete(struct ucred *cred, struct vnode *dvp,
1177     struct label *dlabel, struct vnode *vp, struct label *label,
1178     struct componentname *cnp)
1179 {
1180 
1181 	return (0);
1182 }
1183 
1184 static int
1185 stub_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp,
1186     struct label *label, acl_type_t type)
1187 {
1188 
1189 	return (0);
1190 }
1191 
1192 static int
1193 stub_check_vnode_deleteextattr(struct ucred *cred, struct vnode *vp,
1194     struct label *label, int attrnamespace, const char *name)
1195 {
1196 
1197 	return (0);
1198 }
1199 
1200 static int
1201 stub_check_vnode_exec(struct ucred *cred, struct vnode *vp,
1202     struct label *label, struct image_params *imgp,
1203     struct label *execlabel)
1204 {
1205 
1206 	return (0);
1207 }
1208 
1209 static int
1210 stub_check_vnode_getacl(struct ucred *cred, struct vnode *vp,
1211     struct label *label, acl_type_t type)
1212 {
1213 
1214 	return (0);
1215 }
1216 
1217 static int
1218 stub_check_vnode_getextattr(struct ucred *cred, struct vnode *vp,
1219     struct label *label, int attrnamespace, const char *name, struct uio *uio)
1220 {
1221 
1222 	return (0);
1223 }
1224 
1225 static int
1226 stub_check_vnode_link(struct ucred *cred, struct vnode *dvp,
1227     struct label *dlabel, struct vnode *vp, struct label *label,
1228     struct componentname *cnp)
1229 {
1230 
1231 	return (0);
1232 }
1233 
1234 static int
1235 stub_check_vnode_listextattr(struct ucred *cred, struct vnode *vp,
1236     struct label *label, int attrnamespace)
1237 {
1238 
1239 	return (0);
1240 }
1241 
1242 static int
1243 stub_check_vnode_lookup(struct ucred *cred, struct vnode *dvp,
1244     struct label *dlabel, struct componentname *cnp)
1245 {
1246 
1247 	return (0);
1248 }
1249 
1250 static int
1251 stub_check_vnode_mmap(struct ucred *cred, struct vnode *vp,
1252     struct label *label, int prot, int flags)
1253 {
1254 
1255 	return (0);
1256 }
1257 
1258 static void
1259 stub_check_vnode_mmap_downgrade(struct ucred *cred,
1260     struct vnode *vp, struct label *label, int *prot)
1261 {
1262 
1263 }
1264 
1265 static int
1266 stub_check_vnode_mprotect(struct ucred *cred,
1267     struct vnode *vp, struct label *label, int prot)
1268 {
1269 
1270 	return (0);
1271 }
1272 
1273 static int
1274 stub_check_vnode_open(struct ucred *cred, struct vnode *vp,
1275     struct label *filelabel, int acc_mode)
1276 {
1277 
1278 	return (0);
1279 }
1280 
1281 static int
1282 stub_check_vnode_poll(struct ucred *active_cred, struct ucred *file_cred,
1283     struct vnode *vp, struct label *label)
1284 {
1285 
1286 	return (0);
1287 }
1288 
1289 static int
1290 stub_check_vnode_read(struct ucred *active_cred, struct ucred *file_cred,
1291     struct vnode *vp, struct label *label)
1292 {
1293 
1294 	return (0);
1295 }
1296 
1297 static int
1298 stub_check_vnode_readdir(struct ucred *cred, struct vnode *vp,
1299     struct label *dlabel)
1300 {
1301 
1302 	return (0);
1303 }
1304 
1305 static int
1306 stub_check_vnode_readlink(struct ucred *cred, struct vnode *vp,
1307     struct label *vnodelabel)
1308 {
1309 
1310 	return (0);
1311 }
1312 
1313 static int
1314 stub_check_vnode_relabel(struct ucred *cred, struct vnode *vp,
1315     struct label *vnodelabel, struct label *newlabel)
1316 {
1317 
1318 	return (0);
1319 }
1320 
1321 static int
1322 stub_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp,
1323     struct label *dlabel, struct vnode *vp, struct label *label,
1324     struct componentname *cnp)
1325 {
1326 
1327 	return (0);
1328 }
1329 
1330 static int
1331 stub_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp,
1332     struct label *dlabel, struct vnode *vp, struct label *label, int samedir,
1333     struct componentname *cnp)
1334 {
1335 
1336 	return (0);
1337 }
1338 
1339 static int
1340 stub_check_vnode_revoke(struct ucred *cred, struct vnode *vp,
1341     struct label *label)
1342 {
1343 
1344 	return (0);
1345 }
1346 
1347 static int
1348 stub_check_vnode_setacl(struct ucred *cred, struct vnode *vp,
1349     struct label *label, acl_type_t type, struct acl *acl)
1350 {
1351 
1352 	return (0);
1353 }
1354 
1355 static int
1356 stub_check_vnode_setextattr(struct ucred *cred, struct vnode *vp,
1357     struct label *label, int attrnamespace, const char *name, struct uio *uio)
1358 {
1359 
1360 	return (0);
1361 }
1362 
1363 static int
1364 stub_check_vnode_setflags(struct ucred *cred, struct vnode *vp,
1365     struct label *label, u_long flags)
1366 {
1367 
1368 	return (0);
1369 }
1370 
1371 static int
1372 stub_check_vnode_setmode(struct ucred *cred, struct vnode *vp,
1373     struct label *label, mode_t mode)
1374 {
1375 
1376 	return (0);
1377 }
1378 
1379 static int
1380 stub_check_vnode_setowner(struct ucred *cred, struct vnode *vp,
1381     struct label *label, uid_t uid, gid_t gid)
1382 {
1383 
1384 	return (0);
1385 }
1386 
1387 static int
1388 stub_check_vnode_setutimes(struct ucred *cred, struct vnode *vp,
1389     struct label *label, struct timespec atime, struct timespec mtime)
1390 {
1391 
1392 	return (0);
1393 }
1394 
1395 static int
1396 stub_check_vnode_stat(struct ucred *active_cred, struct ucred *file_cred,
1397     struct vnode *vp, struct label *label)
1398 {
1399 
1400 	return (0);
1401 }
1402 
1403 static int
1404 stub_check_vnode_write(struct ucred *active_cred,
1405     struct ucred *file_cred, struct vnode *vp, struct label *label)
1406 {
1407 
1408 	return (0);
1409 }
1410 
1411 static int
1412 stub_priv_check(struct ucred *cred, int priv)
1413 {
1414 
1415 	return (0);
1416 }
1417 
1418 static int
1419 stub_priv_grant(struct ucred *cred, int priv)
1420 {
1421 
1422 	return (EPERM);
1423 }
1424 
1425 static struct mac_policy_ops mac_stub_ops =
1426 {
1427 	.mpo_destroy = stub_destroy,
1428 	.mpo_init = stub_init,
1429 	.mpo_syscall = stub_syscall,
1430 	.mpo_init_bpfdesc_label = stub_init_label,
1431 	.mpo_init_cred_label = stub_init_label,
1432 	.mpo_init_devfsdirent_label = stub_init_label,
1433 	.mpo_init_ifnet_label = stub_init_label,
1434 	.mpo_init_inpcb_label = stub_init_label_waitcheck,
1435 	.mpo_init_sysv_msgmsg_label = stub_init_label,
1436 	.mpo_init_sysv_msgqueue_label = stub_init_label,
1437 	.mpo_init_sysv_sem_label = stub_init_label,
1438 	.mpo_init_sysv_shm_label = stub_init_label,
1439 	.mpo_init_ipq_label = stub_init_label_waitcheck,
1440 	.mpo_init_mbuf_label = stub_init_label_waitcheck,
1441 	.mpo_init_mount_label = stub_init_label,
1442 	.mpo_init_mount_fs_label = stub_init_label,
1443 	.mpo_init_pipe_label = stub_init_label,
1444 	.mpo_init_posix_sem_label = stub_init_label,
1445 	.mpo_init_socket_label = stub_init_label_waitcheck,
1446 	.mpo_init_socket_peer_label = stub_init_label_waitcheck,
1447 	.mpo_init_vnode_label = stub_init_label,
1448 	.mpo_destroy_bpfdesc_label = stub_destroy_label,
1449 	.mpo_destroy_cred_label = stub_destroy_label,
1450 	.mpo_destroy_devfsdirent_label = stub_destroy_label,
1451 	.mpo_destroy_ifnet_label = stub_destroy_label,
1452 	.mpo_destroy_inpcb_label = stub_destroy_label,
1453 	.mpo_destroy_sysv_msgmsg_label = stub_destroy_label,
1454 	.mpo_destroy_sysv_msgqueue_label = stub_destroy_label,
1455 	.mpo_destroy_sysv_sem_label = stub_destroy_label,
1456 	.mpo_destroy_sysv_shm_label = stub_destroy_label,
1457 	.mpo_destroy_ipq_label = stub_destroy_label,
1458 	.mpo_destroy_mbuf_label = stub_destroy_label,
1459 	.mpo_destroy_mount_label = stub_destroy_label,
1460 	.mpo_destroy_mount_fs_label = stub_destroy_label,
1461 	.mpo_destroy_pipe_label = stub_destroy_label,
1462 	.mpo_destroy_posix_sem_label = stub_destroy_label,
1463 	.mpo_destroy_socket_label = stub_destroy_label,
1464 	.mpo_destroy_socket_peer_label = stub_destroy_label,
1465 	.mpo_destroy_vnode_label = stub_destroy_label,
1466 	.mpo_copy_cred_label = stub_copy_label,
1467 	.mpo_copy_ifnet_label = stub_copy_label,
1468 	.mpo_copy_mbuf_label = stub_copy_label,
1469 	.mpo_copy_pipe_label = stub_copy_label,
1470 	.mpo_copy_socket_label = stub_copy_label,
1471 	.mpo_copy_vnode_label = stub_copy_label,
1472 	.mpo_externalize_cred_label = stub_externalize_label,
1473 	.mpo_externalize_ifnet_label = stub_externalize_label,
1474 	.mpo_externalize_pipe_label = stub_externalize_label,
1475 	.mpo_externalize_socket_label = stub_externalize_label,
1476 	.mpo_externalize_socket_peer_label = stub_externalize_label,
1477 	.mpo_externalize_vnode_label = stub_externalize_label,
1478 	.mpo_internalize_cred_label = stub_internalize_label,
1479 	.mpo_internalize_ifnet_label = stub_internalize_label,
1480 	.mpo_internalize_pipe_label = stub_internalize_label,
1481 	.mpo_internalize_socket_label = stub_internalize_label,
1482 	.mpo_internalize_vnode_label = stub_internalize_label,
1483 	.mpo_associate_vnode_devfs = stub_associate_vnode_devfs,
1484 	.mpo_associate_vnode_extattr = stub_associate_vnode_extattr,
1485 	.mpo_associate_nfsd_label = stub_associate_nfsd_label,
1486 	.mpo_associate_vnode_singlelabel = stub_associate_vnode_singlelabel,
1487 	.mpo_create_devfs_device = stub_create_devfs_device,
1488 	.mpo_create_devfs_directory = stub_create_devfs_directory,
1489 	.mpo_create_devfs_symlink = stub_create_devfs_symlink,
1490 	.mpo_create_sysv_msgmsg = stub_create_sysv_msgmsg,
1491 	.mpo_create_sysv_msgqueue = stub_create_sysv_msgqueue,
1492 	.mpo_create_sysv_sem = stub_create_sysv_sem,
1493 	.mpo_create_sysv_shm = stub_create_sysv_shm,
1494 	.mpo_create_vnode_extattr = stub_create_vnode_extattr,
1495 	.mpo_create_mount = stub_create_mount,
1496 	.mpo_relabel_vnode = stub_relabel_vnode,
1497 	.mpo_setlabel_vnode_extattr = stub_setlabel_vnode_extattr,
1498 	.mpo_update_devfsdirent = stub_update_devfsdirent,
1499 	.mpo_create_mbuf_from_socket = stub_create_mbuf_from_socket,
1500 	.mpo_create_pipe = stub_create_pipe,
1501 	.mpo_create_posix_sem = stub_create_posix_sem,
1502 	.mpo_create_socket = stub_create_socket,
1503 	.mpo_create_socket_from_socket = stub_create_socket_from_socket,
1504 	.mpo_relabel_pipe = stub_relabel_pipe,
1505 	.mpo_relabel_socket = stub_relabel_socket,
1506 	.mpo_set_socket_peer_from_mbuf = stub_set_socket_peer_from_mbuf,
1507 	.mpo_set_socket_peer_from_socket = stub_set_socket_peer_from_socket,
1508 	.mpo_create_bpfdesc = stub_create_bpfdesc,
1509 	.mpo_create_ifnet = stub_create_ifnet,
1510 	.mpo_create_inpcb_from_socket = stub_create_inpcb_from_socket,
1511 	.mpo_create_ipq = stub_create_ipq,
1512 	.mpo_create_datagram_from_ipq = stub_create_datagram_from_ipq,
1513 	.mpo_create_fragment = stub_create_fragment,
1514 	.mpo_create_mbuf_from_inpcb = stub_create_mbuf_from_inpcb,
1515 	.mpo_create_mbuf_linklayer = stub_create_mbuf_linklayer,
1516 	.mpo_create_mbuf_from_bpfdesc = stub_create_mbuf_from_bpfdesc,
1517 	.mpo_create_mbuf_from_ifnet = stub_create_mbuf_from_ifnet,
1518 	.mpo_create_mbuf_multicast_encap = stub_create_mbuf_multicast_encap,
1519 	.mpo_create_mbuf_netlayer = stub_create_mbuf_netlayer,
1520 	.mpo_create_mbuf_from_firewall = stub_create_mbuf_from_firewall,
1521 	.mpo_fragment_match = stub_fragment_match,
1522 	.mpo_reflect_mbuf_icmp = stub_reflect_mbuf_icmp,
1523 	.mpo_reflect_mbuf_tcp = stub_reflect_mbuf_tcp,
1524 	.mpo_relabel_ifnet = stub_relabel_ifnet,
1525 	.mpo_update_ipq = stub_update_ipq,
1526 	.mpo_inpcb_sosetlabel = stub_inpcb_sosetlabel,
1527 	.mpo_execve_transition = stub_execve_transition,
1528 	.mpo_execve_will_transition = stub_execve_will_transition,
1529 	.mpo_create_proc0 = stub_create_proc0,
1530 	.mpo_create_proc1 = stub_create_proc1,
1531 	.mpo_relabel_cred = stub_relabel_cred,
1532 	.mpo_thread_userret = stub_thread_userret,
1533 	.mpo_cleanup_sysv_msgmsg = stub_cleanup_sysv_msgmsg,
1534 	.mpo_cleanup_sysv_msgqueue = stub_cleanup_sysv_msgqueue,
1535 	.mpo_cleanup_sysv_sem = stub_cleanup_sysv_sem,
1536 	.mpo_cleanup_sysv_shm = stub_cleanup_sysv_shm,
1537 	.mpo_check_bpfdesc_receive = stub_check_bpfdesc_receive,
1538 	.mpo_check_cred_relabel = stub_check_cred_relabel,
1539 	.mpo_check_cred_visible = stub_check_cred_visible,
1540 	.mpo_check_ifnet_relabel = stub_check_ifnet_relabel,
1541 	.mpo_check_ifnet_transmit = stub_check_ifnet_transmit,
1542 	.mpo_check_inpcb_deliver = stub_check_inpcb_deliver,
1543 	.mpo_check_sysv_msgmsq = stub_check_sysv_msgmsq,
1544 	.mpo_check_sysv_msgrcv = stub_check_sysv_msgrcv,
1545 	.mpo_check_sysv_msgrmid = stub_check_sysv_msgrmid,
1546 	.mpo_check_sysv_msqget = stub_check_sysv_msqget,
1547 	.mpo_check_sysv_msqsnd = stub_check_sysv_msqsnd,
1548 	.mpo_check_sysv_msqrcv = stub_check_sysv_msqrcv,
1549 	.mpo_check_sysv_msqctl = stub_check_sysv_msqctl,
1550 	.mpo_check_sysv_semctl = stub_check_sysv_semctl,
1551 	.mpo_check_sysv_semget = stub_check_sysv_semget,
1552 	.mpo_check_sysv_semop = stub_check_sysv_semop,
1553 	.mpo_check_sysv_shmat = stub_check_sysv_shmat,
1554 	.mpo_check_sysv_shmctl = stub_check_sysv_shmctl,
1555 	.mpo_check_sysv_shmdt = stub_check_sysv_shmdt,
1556 	.mpo_check_sysv_shmget = stub_check_sysv_shmget,
1557 	.mpo_check_kenv_dump = stub_check_kenv_dump,
1558 	.mpo_check_kenv_get = stub_check_kenv_get,
1559 	.mpo_check_kenv_set = stub_check_kenv_set,
1560 	.mpo_check_kenv_unset = stub_check_kenv_unset,
1561 	.mpo_check_kld_load = stub_check_kld_load,
1562 	.mpo_check_kld_stat = stub_check_kld_stat,
1563 	.mpo_check_kld_unload = stub_check_kld_unload,
1564 	.mpo_check_mount_stat = stub_check_mount_stat,
1565 	.mpo_check_pipe_ioctl = stub_check_pipe_ioctl,
1566 	.mpo_check_pipe_poll = stub_check_pipe_poll,
1567 	.mpo_check_pipe_read = stub_check_pipe_read,
1568 	.mpo_check_pipe_relabel = stub_check_pipe_relabel,
1569 	.mpo_check_pipe_stat = stub_check_pipe_stat,
1570 	.mpo_check_pipe_write = stub_check_pipe_write,
1571 	.mpo_check_posix_sem_destroy = stub_check_posix_sem_destroy,
1572 	.mpo_check_posix_sem_getvalue = stub_check_posix_sem_getvalue,
1573 	.mpo_check_posix_sem_open = stub_check_posix_sem_open,
1574 	.mpo_check_posix_sem_post = stub_check_posix_sem_post,
1575 	.mpo_check_posix_sem_unlink = stub_check_posix_sem_unlink,
1576 	.mpo_check_posix_sem_wait = stub_check_posix_sem_wait,
1577 	.mpo_check_proc_debug = stub_check_proc_debug,
1578 	.mpo_check_proc_sched = stub_check_proc_sched,
1579 	.mpo_check_proc_setuid = stub_check_proc_setuid,
1580 	.mpo_check_proc_seteuid = stub_check_proc_seteuid,
1581 	.mpo_check_proc_setgid = stub_check_proc_setgid,
1582 	.mpo_check_proc_setegid = stub_check_proc_setegid,
1583 	.mpo_check_proc_setgroups = stub_check_proc_setgroups,
1584 	.mpo_check_proc_setreuid = stub_check_proc_setreuid,
1585 	.mpo_check_proc_setregid = stub_check_proc_setregid,
1586 	.mpo_check_proc_setresuid = stub_check_proc_setresuid,
1587 	.mpo_check_proc_setresgid = stub_check_proc_setresgid,
1588 	.mpo_check_proc_signal = stub_check_proc_signal,
1589 	.mpo_check_proc_wait = stub_check_proc_wait,
1590 	.mpo_check_socket_accept = stub_check_socket_accept,
1591 	.mpo_check_socket_bind = stub_check_socket_bind,
1592 	.mpo_check_socket_connect = stub_check_socket_connect,
1593 	.mpo_check_socket_create = stub_check_socket_create,
1594 	.mpo_check_socket_deliver = stub_check_socket_deliver,
1595 	.mpo_check_socket_listen = stub_check_socket_listen,
1596 	.mpo_check_socket_poll = stub_check_socket_poll,
1597 	.mpo_check_socket_receive = stub_check_socket_receive,
1598 	.mpo_check_socket_relabel = stub_check_socket_relabel,
1599 	.mpo_check_socket_send = stub_check_socket_send,
1600 	.mpo_check_socket_stat = stub_check_socket_stat,
1601 	.mpo_check_socket_visible = stub_check_socket_visible,
1602 	.mpo_check_sysarch_ioperm = stub_check_sysarch_ioperm,
1603 	.mpo_check_system_acct = stub_check_system_acct,
1604 	.mpo_check_system_nfsd = stub_check_system_nfsd,
1605 	.mpo_check_system_reboot = stub_check_system_reboot,
1606 	.mpo_check_system_settime = stub_check_system_settime,
1607 	.mpo_check_system_swapon = stub_check_system_swapon,
1608 	.mpo_check_system_swapoff = stub_check_system_swapoff,
1609 	.mpo_check_system_sysctl = stub_check_system_sysctl,
1610 	.mpo_check_vnode_access = stub_check_vnode_access,
1611 	.mpo_check_vnode_chdir = stub_check_vnode_chdir,
1612 	.mpo_check_vnode_chroot = stub_check_vnode_chroot,
1613 	.mpo_check_vnode_create = stub_check_vnode_create,
1614 	.mpo_check_vnode_delete = stub_check_vnode_delete,
1615 	.mpo_check_vnode_deleteacl = stub_check_vnode_deleteacl,
1616 	.mpo_check_vnode_deleteextattr = stub_check_vnode_deleteextattr,
1617 	.mpo_check_vnode_exec = stub_check_vnode_exec,
1618 	.mpo_check_vnode_getacl = stub_check_vnode_getacl,
1619 	.mpo_check_vnode_getextattr = stub_check_vnode_getextattr,
1620 	.mpo_check_vnode_link = stub_check_vnode_link,
1621 	.mpo_check_vnode_listextattr = stub_check_vnode_listextattr,
1622 	.mpo_check_vnode_lookup = stub_check_vnode_lookup,
1623 	.mpo_check_vnode_mmap = stub_check_vnode_mmap,
1624 	.mpo_check_vnode_mmap_downgrade = stub_check_vnode_mmap_downgrade,
1625 	.mpo_check_vnode_mprotect = stub_check_vnode_mprotect,
1626 	.mpo_check_vnode_open = stub_check_vnode_open,
1627 	.mpo_check_vnode_poll = stub_check_vnode_poll,
1628 	.mpo_check_vnode_read = stub_check_vnode_read,
1629 	.mpo_check_vnode_readdir = stub_check_vnode_readdir,
1630 	.mpo_check_vnode_readlink = stub_check_vnode_readlink,
1631 	.mpo_check_vnode_relabel = stub_check_vnode_relabel,
1632 	.mpo_check_vnode_rename_from = stub_check_vnode_rename_from,
1633 	.mpo_check_vnode_rename_to = stub_check_vnode_rename_to,
1634 	.mpo_check_vnode_revoke = stub_check_vnode_revoke,
1635 	.mpo_check_vnode_setacl = stub_check_vnode_setacl,
1636 	.mpo_check_vnode_setextattr = stub_check_vnode_setextattr,
1637 	.mpo_check_vnode_setflags = stub_check_vnode_setflags,
1638 	.mpo_check_vnode_setmode = stub_check_vnode_setmode,
1639 	.mpo_check_vnode_setowner = stub_check_vnode_setowner,
1640 	.mpo_check_vnode_setutimes = stub_check_vnode_setutimes,
1641 	.mpo_check_vnode_stat = stub_check_vnode_stat,
1642 	.mpo_check_vnode_write = stub_check_vnode_write,
1643 	.mpo_priv_check = stub_priv_check,
1644 	.mpo_priv_grant = stub_priv_grant,
1645 	.mpo_init_syncache_label = stub_init_label_waitcheck,
1646 	.mpo_destroy_syncache_label = stub_destroy_label,
1647 	.mpo_init_syncache_from_inpcb = stub_init_syncache_from_inpcb,
1648 	.mpo_create_mbuf_from_syncache = stub_create_mbuf_from_syncache,
1649 };
1650 
1651 MAC_POLICY_SET(&mac_stub_ops, mac_stub, "TrustedBSD MAC/Stub",
1652     MPC_LOADTIME_FLAG_UNLOADOK, NULL);
1653