mac_stub.c revision 166531
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: head/sys/security/mac_stub/mac_stub.c 166531 2007-02-06 10:59:23Z rwatson $
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
86SYSCTL_DECL(_security_mac);
87
88SYSCTL_NODE(_security_mac, OID_AUTO, stub, CTLFLAG_RW, 0,
89    "TrustedBSD mac_stub policy controls");
90
91static int	stub_enabled = 1;
92SYSCTL_INT(_security_mac_stub, OID_AUTO, enabled, CTLFLAG_RW,
93    &stub_enabled, 0, "Enforce mac_stub policy");
94
95/*
96 * Policy module operations.
97 */
98static void
99stub_destroy(struct mac_policy_conf *conf)
100{
101
102}
103
104static void
105stub_init(struct mac_policy_conf *conf)
106{
107
108}
109
110static int
111stub_syscall(struct thread *td, int call, void *arg)
112{
113
114	return (0);
115}
116
117/*
118 * Label operations.
119 */
120static void
121stub_init_label(struct label *label)
122{
123
124}
125
126static int
127stub_init_label_waitcheck(struct label *label, int flag)
128{
129
130	return (0);
131}
132
133static void
134stub_destroy_label(struct label *label)
135{
136
137}
138
139static void
140stub_copy_label(struct label *src, struct label *dest)
141{
142
143}
144
145static int
146stub_externalize_label(struct label *label, char *element_name,
147    struct sbuf *sb, int *claimed)
148{
149
150	return (0);
151}
152
153static int
154stub_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 */
165static void
166stub_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
173static int
174stub_associate_vnode_extattr(struct mount *mp, struct label *fslabel,
175    struct vnode *vp, struct label *vlabel)
176{
177
178	return (0);
179}
180
181static void
182stub_associate_vnode_singlelabel(struct mount *mp,
183    struct label *fslabel, struct vnode *vp, struct label *vlabel)
184{
185
186}
187
188static void
189stub_associate_nfsd_label(struct ucred *cred)
190{
191
192}
193
194static void
195stub_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
201static void
202stub_create_devfs_directory(struct mount *mp, char *dirname,
203    int dirnamelen, struct devfs_dirent *devfs_dirent, struct label *label)
204{
205
206}
207
208static void
209stub_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
216static int
217stub_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
225static void
226stub_create_mount(struct ucred *cred, struct mount *mp,
227    struct label *mntlabel, struct label *fslabel)
228{
229
230}
231
232static void
233stub_relabel_vnode(struct ucred *cred, struct vnode *vp,
234    struct label *vnodelabel, struct label *label)
235{
236
237}
238
239static int
240stub_setlabel_vnode_extattr(struct ucred *cred, struct vnode *vp,
241    struct label *vlabel, struct label *intlabel)
242{
243
244	return (0);
245}
246
247static void
248stub_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 */
258static void
259stub_create_mbuf_from_socket(struct socket *so, struct label *socketlabel,
260    struct mbuf *m, struct label *mbuflabel)
261{
262
263}
264
265static void
266stub_create_socket(struct ucred *cred, struct socket *socket,
267    struct label *socketlabel)
268{
269
270}
271
272static void
273stub_create_pipe(struct ucred *cred, struct pipepair *pp,
274    struct label *pipelabel)
275{
276
277}
278
279static void
280stub_create_posix_sem(struct ucred *cred, struct ksem *ksemptr,
281    struct label *ks_label)
282{
283
284}
285
286static void
287stub_create_socket_from_socket(struct socket *oldsocket,
288    struct label *oldsocketlabel, struct socket *newsocket,
289    struct label *newsocketlabel)
290{
291
292}
293
294static void
295stub_relabel_socket(struct ucred *cred, struct socket *socket,
296    struct label *socketlabel, struct label *newlabel)
297{
298
299}
300
301static void
302stub_relabel_pipe(struct ucred *cred, struct pipepair *pp,
303    struct label *pipelabel, struct label *newlabel)
304{
305
306}
307
308static void
309stub_set_socket_peer_from_mbuf(struct mbuf *mbuf, struct label *mbuflabel,
310    struct socket *socket, struct label *socketpeerlabel)
311{
312
313}
314
315static void
316stub_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 */
326static void
327stub_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d,
328    struct label *bpflabel)
329{
330
331}
332
333static void
334stub_create_datagram_from_ipq(struct ipq *ipq, struct label *ipqlabel,
335    struct mbuf *datagram, struct label *datagramlabel)
336{
337
338}
339
340static void
341stub_create_fragment(struct mbuf *datagram, struct label *datagramlabel,
342    struct mbuf *fragment, struct label *fragmentlabel)
343{
344
345}
346
347static void
348stub_create_ifnet(struct ifnet *ifnet, struct label *ifnetlabel)
349{
350
351}
352
353static void
354stub_create_inpcb_from_socket(struct socket *so, struct label *solabel,
355    struct inpcb *inp, struct label *inplabel)
356{
357
358}
359
360static void
361stub_init_syncache_from_inpcb(struct label *label, struct inpcb *inp)
362{
363
364}
365
366static void
367stub_create_sysv_msgmsg(struct ucred *cred, struct msqid_kernel *msqkptr,
368    struct label *msqlabel, struct msg *msgptr, struct label *msglabel)
369{
370
371}
372
373static void
374stub_create_sysv_msgqueue(struct ucred *cred, struct msqid_kernel *msqkptr,
375    struct label *msqlabel)
376{
377
378}
379
380static void
381stub_create_sysv_sem(struct ucred *cred, struct semid_kernel *semakptr,
382    struct label *semalabel)
383{
384
385}
386
387static void
388stub_create_sysv_shm(struct ucred *cred, struct shmid_kernel *shmsegptr,
389    struct label *shmalabel)
390{
391
392}
393
394static void
395stub_create_ipq(struct mbuf *fragment, struct label *fragmentlabel,
396    struct ipq *ipq, struct label *ipqlabel)
397{
398
399}
400
401static void
402stub_create_mbuf_from_inpcb(struct inpcb *inp, struct label *inplabel,
403    struct mbuf *m, struct label *mlabel)
404{
405
406}
407
408static void
409stub_create_mbuf_from_syncache(struct label *sc_label, struct mbuf *m,
410
411    struct label *mbuf_label)
412{
413
414}
415
416static void
417stub_create_mbuf_linklayer(struct ifnet *ifnet, struct label *ifnetlabel,
418    struct mbuf *mbuf, struct label *mbuflabel)
419{
420
421}
422
423static void
424stub_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct label *bpflabel,
425    struct mbuf *mbuf, struct label *mbuflabel)
426{
427
428}
429
430static void
431stub_create_mbuf_from_ifnet(struct ifnet *ifnet, struct label *ifnetlabel,
432    struct mbuf *m, struct label *mbuflabel)
433{
434
435}
436
437static void
438stub_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
445static void
446stub_create_mbuf_netlayer(struct mbuf *oldmbuf,
447    struct label *oldmbuflabel, struct mbuf *newmbuf, struct label *newmbuflabel)
448{
449
450}
451
452static void
453stub_create_mbuf_from_firewall(struct mbuf *m, struct label *label)
454{
455
456}
457
458static int
459stub_fragment_match(struct mbuf *fragment, struct label *fragmentlabel,
460    struct ipq *ipq, struct label *ipqlabel)
461{
462
463	return (1);
464}
465
466static void
467stub_reflect_mbuf_icmp(struct mbuf *m, struct label *mlabel)
468{
469
470}
471
472static void
473stub_reflect_mbuf_tcp(struct mbuf *m, struct label *mlabel)
474{
475
476}
477
478static void
479stub_relabel_ifnet(struct ucred *cred, struct ifnet *ifnet,
480    struct label *ifnetlabel, struct label *newlabel)
481{
482
483}
484
485static void
486stub_update_ipq(struct mbuf *fragment, struct label *fragmentlabel,
487    struct ipq *ipq, struct label *ipqlabel)
488{
489
490}
491
492static void
493stub_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 */
502static void
503stub_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
511static int
512stub_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
520static void
521stub_create_proc0(struct ucred *cred)
522{
523
524}
525
526static void
527stub_create_proc1(struct ucred *cred)
528{
529
530}
531
532static void
533stub_relabel_cred(struct ucred *cred, struct label *newlabel)
534{
535
536}
537
538static void
539stub_thread_userret(struct thread *td)
540{
541
542}
543
544/*
545 * Label cleanup/flush operations
546 */
547static void
548stub_cleanup_sysv_msgmsg(struct label *msglabel)
549{
550
551}
552
553static void
554stub_cleanup_sysv_msgqueue(struct label *msqlabel)
555{
556
557}
558
559static void
560stub_cleanup_sysv_sem(struct label *semalabel)
561{
562
563}
564
565static void
566stub_cleanup_sysv_shm(struct label *shmlabel)
567{
568
569}
570
571/*
572 * Access control checks.
573 */
574static int
575stub_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
582static int
583stub_check_cred_relabel(struct ucred *cred, struct label *newlabel)
584{
585
586	return (0);
587}
588
589static int
590stub_check_cred_visible(struct ucred *u1, struct ucred *u2)
591{
592
593	return (0);
594}
595
596static int
597stub_check_ifnet_relabel(struct ucred *cred, struct ifnet *ifnet,
598    struct label *ifnetlabel, struct label *newlabel)
599{
600
601	return (0);
602}
603
604static int
605stub_check_ifnet_transmit(struct ifnet *ifnet, struct label *ifnetlabel,
606    struct mbuf *m, struct label *mbuflabel)
607{
608
609	return (0);
610}
611
612static int
613stub_check_inpcb_deliver(struct inpcb *inp, struct label *inplabel,
614    struct mbuf *m, struct label *mlabel)
615{
616
617	return (0);
618}
619
620static int
621stub_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
629static int
630stub_check_sysv_msgrcv(struct ucred *cred, struct msg *msgptr,
631    struct label *msglabel)
632{
633
634	return (0);
635}
636
637
638static int
639stub_check_sysv_msgrmid(struct ucred *cred, struct msg *msgptr,
640    struct label *msglabel)
641{
642
643	return (0);
644}
645
646
647static int
648stub_check_sysv_msqget(struct ucred *cred, struct msqid_kernel *msqkptr,
649    struct label *msqklabel)
650{
651
652	return (0);
653}
654
655
656static int
657stub_check_sysv_msqsnd(struct ucred *cred, struct msqid_kernel *msqkptr,
658    struct label *msqklabel)
659{
660
661	return (0);
662}
663
664static int
665stub_check_sysv_msqrcv(struct ucred *cred, struct msqid_kernel *msqkptr,
666    struct label *msqklabel)
667{
668
669	return (0);
670}
671
672
673static int
674stub_check_sysv_msqctl(struct ucred *cred, struct msqid_kernel *msqkptr,
675    struct label *msqklabel, int cmd)
676{
677
678	return (0);
679}
680
681
682static int
683stub_check_sysv_semctl(struct ucred *cred, struct semid_kernel *semakptr,
684    struct label *semaklabel, int cmd)
685{
686
687	return (0);
688}
689
690static int
691stub_check_sysv_semget(struct ucred *cred, struct semid_kernel *semakptr,
692    struct label *semaklabel)
693{
694
695	return (0);
696}
697
698
699static int
700stub_check_sysv_semop(struct ucred *cred, struct semid_kernel *semakptr,
701    struct label *semaklabel, size_t accesstype)
702{
703
704	return (0);
705}
706
707static int
708stub_check_sysv_shmat(struct ucred *cred, struct shmid_kernel *shmsegptr,
709    struct label *shmseglabel, int shmflg)
710{
711
712	return (0);
713}
714
715static int
716stub_check_sysv_shmctl(struct ucred *cred, struct shmid_kernel *shmsegptr,
717    struct label *shmseglabel, int cmd)
718{
719
720	return (0);
721}
722
723static int
724stub_check_sysv_shmdt(struct ucred *cred, struct shmid_kernel *shmsegptr,
725    struct label *shmseglabel)
726{
727
728	return (0);
729}
730
731
732static int
733stub_check_sysv_shmget(struct ucred *cred, struct shmid_kernel *shmsegptr,
734    struct label *shmseglabel, int shmflg)
735{
736
737	return (0);
738}
739
740static int
741stub_check_kenv_dump(struct ucred *cred)
742{
743
744	return (0);
745}
746
747static int
748stub_check_kenv_get(struct ucred *cred, char *name)
749{
750
751	return (0);
752}
753
754static int
755stub_check_kenv_set(struct ucred *cred, char *name, char *value)
756{
757
758	return (0);
759}
760
761static int
762stub_check_kenv_unset(struct ucred *cred, char *name)
763{
764
765	return (0);
766}
767
768static int
769stub_check_kld_load(struct ucred *cred, struct vnode *vp,
770    struct label *vlabel)
771{
772
773	return (0);
774}
775
776static int
777stub_check_kld_stat(struct ucred *cred)
778{
779
780	return (0);
781}
782
783static int
784stub_check_kld_unload(struct ucred *cred)
785{
786
787	return (0);
788}
789
790static int
791stub_check_mount_stat(struct ucred *cred, struct mount *mp,
792    struct label *mntlabel)
793{
794
795	return (0);
796}
797
798static int
799stub_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
806static int
807stub_check_pipe_poll(struct ucred *cred, struct pipepair *pp,
808    struct label *pipelabel)
809{
810
811	return (0);
812}
813
814static int
815stub_check_pipe_read(struct ucred *cred, struct pipepair *pp,
816    struct label *pipelabel)
817{
818
819	return (0);
820}
821
822static int
823stub_check_pipe_relabel(struct ucred *cred, struct pipepair *pp,
824    struct label *pipelabel, struct label *newlabel)
825{
826
827	return (0);
828}
829
830static int
831stub_check_pipe_stat(struct ucred *cred, struct pipepair *pp,
832    struct label *pipelabel)
833{
834
835	return (0);
836}
837
838static int
839stub_check_pipe_write(struct ucred *cred, struct pipepair *pp,
840    struct label *pipelabel)
841{
842
843	return (0);
844}
845
846static int
847stub_check_posix_sem_destroy(struct ucred *cred, struct ksem *ksemptr,
848    struct label *ks_label)
849{
850
851	return (0);
852}
853
854static int
855stub_check_posix_sem_getvalue(struct ucred *cred, struct ksem *ksemptr,
856    struct label *ks_label)
857{
858
859	return (0);
860}
861
862static int
863stub_check_posix_sem_open(struct ucred *cred, struct ksem *ksemptr,
864    struct label *ks_label)
865{
866
867	return (0);
868}
869
870static int
871stub_check_posix_sem_post(struct ucred *cred, struct ksem *ksemptr,
872    struct label *ks_label)
873{
874
875	return (0);
876}
877
878static int
879stub_check_posix_sem_unlink(struct ucred *cred, struct ksem *ksemptr,
880    struct label *ks_label)
881{
882
883	return (0);
884}
885
886static int
887stub_check_posix_sem_wait(struct ucred *cred, struct ksem *ksemptr,
888    struct label *ks_label)
889{
890
891	return (0);
892}
893
894static int
895stub_check_proc_debug(struct ucred *cred, struct proc *proc)
896{
897
898	return (0);
899}
900
901static int
902stub_check_proc_sched(struct ucred *cred, struct proc *proc)
903{
904
905	return (0);
906}
907
908static int
909stub_check_proc_signal(struct ucred *cred, struct proc *proc, int signum)
910{
911
912	return (0);
913}
914
915static int
916stub_check_proc_wait(struct ucred *cred, struct proc *proc)
917{
918
919	return (0);
920}
921
922static int
923stub_check_proc_setuid(struct ucred *cred, uid_t uid)
924{
925
926	return (0);
927}
928
929static int
930stub_check_proc_seteuid(struct ucred *cred, uid_t euid)
931{
932
933	return (0);
934}
935
936static int
937stub_check_proc_setgid(struct ucred *cred, gid_t gid)
938{
939
940	return (0);
941}
942
943static int
944stub_check_proc_setegid(struct ucred *cred, gid_t egid)
945{
946
947	return (0);
948}
949
950static int
951stub_check_proc_setgroups(struct ucred *cred, int ngroups,
952	gid_t *gidset)
953{
954
955	return (0);
956}
957
958static int
959stub_check_proc_setreuid(struct ucred *cred, uid_t ruid, uid_t euid)
960{
961
962	return (0);
963}
964
965static int
966stub_check_proc_setregid(struct ucred *cred, gid_t rgid, gid_t egid)
967{
968
969	return (0);
970}
971
972static int
973stub_check_proc_setresuid(struct ucred *cred, uid_t ruid, uid_t euid,
974	uid_t suid)
975{
976
977	return (0);
978}
979
980static int
981stub_check_proc_setresgid(struct ucred *cred, gid_t rgid, gid_t egid,
982	gid_t sgid)
983{
984
985	return (0);
986}
987
988static int
989stub_check_socket_accept(struct ucred *cred, struct socket *socket,
990    struct label *socketlabel)
991{
992
993	return (0);
994}
995
996static int
997stub_check_socket_bind(struct ucred *cred, struct socket *socket,
998    struct label *socketlabel, struct sockaddr *sockaddr)
999{
1000
1001	return (0);
1002}
1003
1004static int
1005stub_check_socket_connect(struct ucred *cred, struct socket *socket,
1006    struct label *socketlabel, struct sockaddr *sockaddr)
1007{
1008
1009	return (0);
1010}
1011
1012static int
1013stub_check_socket_create(struct ucred *cred, int domain, int type,
1014    int protocol)
1015{
1016
1017	return (0);
1018}
1019
1020static int
1021stub_check_socket_deliver(struct socket *so, struct label *socketlabel,
1022    struct mbuf *m, struct label *mbuflabel)
1023{
1024
1025	return (0);
1026}
1027
1028static int
1029stub_check_socket_listen(struct ucred *cred, struct socket *so,
1030    struct label *socketlabel)
1031{
1032
1033	return (0);
1034}
1035
1036static int
1037stub_check_socket_poll(struct ucred *cred, struct socket *so,
1038    struct label *socketlabel)
1039{
1040
1041	return (0);
1042}
1043
1044static int
1045stub_check_socket_receive(struct ucred *cred, struct socket *so,
1046    struct label *socketlabel)
1047{
1048
1049	return (0);
1050}
1051
1052static int
1053stub_check_socket_relabel(struct ucred *cred, struct socket *socket,
1054    struct label *socketlabel, struct label *newlabel)
1055{
1056
1057	return (0);
1058}
1059static int
1060stub_check_socket_send(struct ucred *cred, struct socket *so,
1061    struct label *socketlabel)
1062{
1063
1064	return (0);
1065}
1066
1067static int
1068stub_check_socket_stat(struct ucred *cred, struct socket *so,
1069    struct label *socketlabel)
1070{
1071
1072	return (0);
1073}
1074
1075static int
1076stub_check_socket_visible(struct ucred *cred, struct socket *socket,
1077   struct label *socketlabel)
1078{
1079
1080	return (0);
1081}
1082
1083static int
1084stub_check_sysarch_ioperm(struct ucred *cred)
1085{
1086
1087	return (0);
1088}
1089
1090static int
1091stub_check_system_acct(struct ucred *cred, struct vnode *vp,
1092    struct label *vlabel)
1093{
1094
1095	return (0);
1096}
1097
1098static int
1099stub_check_system_nfsd(struct ucred *cred)
1100{
1101
1102	return (0);
1103}
1104
1105static int
1106stub_check_system_reboot(struct ucred *cred, int how)
1107{
1108
1109	return (0);
1110}
1111
1112static int
1113stub_check_system_settime(struct ucred *cred)
1114{
1115
1116	return (0);
1117}
1118
1119static int
1120stub_check_system_swapon(struct ucred *cred, struct vnode *vp,
1121    struct label *label)
1122{
1123
1124	return (0);
1125}
1126
1127static int
1128stub_check_system_swapoff(struct ucred *cred, struct vnode *vp,
1129    struct label *label)
1130{
1131
1132	return (0);
1133}
1134
1135static int
1136stub_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
1143static int
1144stub_check_vnode_access(struct ucred *cred, struct vnode *vp,
1145    struct label *label, int acc_mode)
1146{
1147
1148	return (0);
1149}
1150
1151static int
1152stub_check_vnode_chdir(struct ucred *cred, struct vnode *dvp,
1153    struct label *dlabel)
1154{
1155
1156	return (0);
1157}
1158
1159static int
1160stub_check_vnode_chroot(struct ucred *cred, struct vnode *dvp,
1161    struct label *dlabel)
1162{
1163
1164	return (0);
1165}
1166
1167static int
1168stub_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
1175static int
1176stub_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
1184static int
1185stub_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp,
1186    struct label *label, acl_type_t type)
1187{
1188
1189	return (0);
1190}
1191
1192static int
1193stub_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
1200static int
1201stub_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
1209static int
1210stub_check_vnode_getacl(struct ucred *cred, struct vnode *vp,
1211    struct label *label, acl_type_t type)
1212{
1213
1214	return (0);
1215}
1216
1217static int
1218stub_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
1225static int
1226stub_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
1234static int
1235stub_check_vnode_listextattr(struct ucred *cred, struct vnode *vp,
1236    struct label *label, int attrnamespace)
1237{
1238
1239	return (0);
1240}
1241
1242static int
1243stub_check_vnode_lookup(struct ucred *cred, struct vnode *dvp,
1244    struct label *dlabel, struct componentname *cnp)
1245{
1246
1247	return (0);
1248}
1249
1250static int
1251stub_check_vnode_mmap(struct ucred *cred, struct vnode *vp,
1252    struct label *label, int prot, int flags)
1253{
1254
1255	return (0);
1256}
1257
1258static void
1259stub_check_vnode_mmap_downgrade(struct ucred *cred,
1260    struct vnode *vp, struct label *label, int *prot)
1261{
1262
1263}
1264
1265static int
1266stub_check_vnode_mprotect(struct ucred *cred,
1267    struct vnode *vp, struct label *label, int prot)
1268{
1269
1270	return (0);
1271}
1272
1273static int
1274stub_check_vnode_open(struct ucred *cred, struct vnode *vp,
1275    struct label *filelabel, int acc_mode)
1276{
1277
1278	return (0);
1279}
1280
1281static int
1282stub_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
1289static int
1290stub_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
1297static int
1298stub_check_vnode_readdir(struct ucred *cred, struct vnode *vp,
1299    struct label *dlabel)
1300{
1301
1302	return (0);
1303}
1304
1305static int
1306stub_check_vnode_readlink(struct ucred *cred, struct vnode *vp,
1307    struct label *vnodelabel)
1308{
1309
1310	return (0);
1311}
1312
1313static int
1314stub_check_vnode_relabel(struct ucred *cred, struct vnode *vp,
1315    struct label *vnodelabel, struct label *newlabel)
1316{
1317
1318	return (0);
1319}
1320
1321static int
1322stub_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
1330static int
1331stub_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
1339static int
1340stub_check_vnode_revoke(struct ucred *cred, struct vnode *vp,
1341    struct label *label)
1342{
1343
1344	return (0);
1345}
1346
1347static int
1348stub_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
1355static int
1356stub_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
1363static int
1364stub_check_vnode_setflags(struct ucred *cred, struct vnode *vp,
1365    struct label *label, u_long flags)
1366{
1367
1368	return (0);
1369}
1370
1371static int
1372stub_check_vnode_setmode(struct ucred *cred, struct vnode *vp,
1373    struct label *label, mode_t mode)
1374{
1375
1376	return (0);
1377}
1378
1379static int
1380stub_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
1387static int
1388stub_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
1395static int
1396stub_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
1403static int
1404stub_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
1411static int
1412stub_priv_check(struct ucred *cred, int priv)
1413{
1414
1415	return (0);
1416}
1417
1418static int
1419stub_priv_grant(struct ucred *cred, int priv)
1420{
1421
1422	return (EPERM);
1423}
1424
1425static 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
1651MAC_POLICY_SET(&mac_stub_ops, mac_stub, "TrustedBSD MAC/Stub",
1652    MPC_LOADTIME_FLAG_UNLOADOK, NULL);
1653