mac_stub.c revision 106648
1/*-
2 * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson
3 * Copyright (c) 2001, 2002 Networks Associates Technology, Inc.
4 * All rights reserved.
5 *
6 * This software was developed by Robert Watson for the TrustedBSD Project.
7 *
8 * This software was developed for the FreeBSD Project in part by Network
9 * Associates Laboratories, the Security Research Division of Network
10 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
11 * as part of the DARPA CHATS research program.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $FreeBSD: head/sys/security/mac_stub/mac_stub.c 106648 2002-11-08 18:04:36Z rwatson $
35 */
36
37/*
38 * Developed by the TrustedBSD Project.
39 * Generic mandatory access module that does nothing.
40 */
41
42#include <sys/types.h>
43#include <sys/param.h>
44#include <sys/acl.h>
45#include <sys/conf.h>
46#include <sys/extattr.h>
47#include <sys/kernel.h>
48#include <sys/mac.h>
49#include <sys/mount.h>
50#include <sys/proc.h>
51#include <sys/systm.h>
52#include <sys/sysproto.h>
53#include <sys/sysent.h>
54#include <sys/vnode.h>
55#include <sys/file.h>
56#include <sys/socket.h>
57#include <sys/socketvar.h>
58#include <sys/pipe.h>
59#include <sys/sysctl.h>
60
61#include <fs/devfs/devfs.h>
62
63#include <net/bpfdesc.h>
64#include <net/if.h>
65#include <net/if_types.h>
66#include <net/if_var.h>
67
68#include <netinet/in.h>
69#include <netinet/ip_var.h>
70
71#include <vm/vm.h>
72
73#include <sys/mac_policy.h>
74
75SYSCTL_DECL(_security_mac);
76
77SYSCTL_NODE(_security_mac, OID_AUTO, none, CTLFLAG_RW, 0,
78    "TrustedBSD mac_none policy controls");
79
80static int	mac_none_enabled = 0;
81SYSCTL_INT(_security_mac_none, OID_AUTO, enabled, CTLFLAG_RW,
82    &mac_none_enabled, 0, "Enforce none policy");
83
84/*
85 * Policy module operations.
86 */
87static void
88mac_none_destroy(struct mac_policy_conf *conf)
89{
90
91}
92
93static void
94mac_none_init(struct mac_policy_conf *conf)
95{
96
97}
98
99static int
100mac_none_syscall(struct thread *td, int call, void *arg)
101{
102
103	return (0);
104}
105
106/*
107 * Label operations.
108 */
109static void
110mac_none_init_label(struct label *label)
111{
112
113}
114
115static int
116mac_none_init_label_waitcheck(struct label *label, int flag)
117{
118
119	return (0);
120}
121
122static void
123mac_none_destroy_label(struct label *label)
124{
125
126}
127
128static int
129mac_none_externalize_label(struct label *label, char *element_name,
130    char *element_data, size_t size, size_t *len, int *claimed)
131{
132
133	return (0);
134}
135
136static int
137mac_none_internalize_label(struct label *label, char *element_name,
138    char *element_data, int *claimed)
139{
140
141	return (0);
142}
143
144/*
145 * Labeling event operations: file system objects, and things that look
146 * a lot like file system objects.
147 */
148static void
149mac_none_associate_vnode_devfs(struct mount *mp, struct label *fslabel,
150    struct devfs_dirent *de, struct label *delabel, struct vnode *vp,
151    struct label *vlabel)
152{
153
154}
155
156static int
157mac_none_associate_vnode_extattr(struct mount *mp, struct label *fslabel,
158    struct vnode *vp, struct label *vlabel)
159{
160
161	return (0);
162}
163
164static void
165mac_none_associate_vnode_singlelabel(struct mount *mp,
166    struct label *fslabel, struct vnode *vp, struct label *vlabel)
167{
168
169}
170
171static void
172mac_none_create_devfs_device(dev_t dev, struct devfs_dirent *devfs_dirent,
173    struct label *label)
174{
175
176}
177
178static void
179mac_none_create_devfs_directory(char *dirname, int dirnamelen,
180    struct devfs_dirent *devfs_dirent, struct label *label)
181{
182
183}
184
185static void
186mac_none_create_devfs_symlink(struct ucred *cred, struct devfs_dirent *dd,
187    struct label *ddlabel, struct devfs_dirent *de, struct label *delabel)
188{
189
190}
191
192static void
193mac_none_create_devfs_vnode(struct devfs_dirent *devfs_dirent,
194    struct label *direntlabel, struct vnode *vp, struct label *vnodelabel)
195{
196
197}
198
199static int
200mac_none_create_vnode_extattr(struct ucred *cred, struct mount *mp,
201    struct label *fslabel, struct vnode *dvp, struct label *dlabel,
202    struct vnode *vp, struct label *vlabel, struct componentname *cnp)
203{
204
205	return (0);
206}
207
208static void
209mac_none_create_mount(struct ucred *cred, struct mount *mp,
210    struct label *mntlabel, struct label *fslabel)
211{
212
213}
214
215static void
216mac_none_create_root_mount(struct ucred *cred, struct mount *mp,
217    struct label *mntlabel, struct label *fslabel)
218{
219
220}
221
222static void
223mac_none_relabel_vnode(struct ucred *cred, struct vnode *vp,
224    struct label *vnodelabel, struct label *label)
225{
226
227}
228
229static int
230mac_none_setlabel_vnode_extattr(struct ucred *cred, struct vnode *vp,
231    struct label *vlabel, struct label *intlabel)
232{
233
234	return (0);
235}
236
237static void
238mac_none_update_devfsdirent(struct devfs_dirent *devfs_dirent,
239    struct label *direntlabel, struct vnode *vp, struct label *vnodelabel)
240{
241
242}
243
244/*
245 * Labeling event operations: IPC object.
246 */
247static void
248mac_none_create_mbuf_from_socket(struct socket *so, struct label *socketlabel,
249    struct mbuf *m, struct label *mbuflabel)
250{
251
252}
253
254static void
255mac_none_create_socket(struct ucred *cred, struct socket *socket,
256    struct label *socketlabel)
257{
258
259}
260
261static void
262mac_none_create_pipe(struct ucred *cred, struct pipe *pipe,
263    struct label *pipelabel)
264{
265
266}
267
268static void
269mac_none_create_socket_from_socket(struct socket *oldsocket,
270    struct label *oldsocketlabel, struct socket *newsocket,
271    struct label *newsocketlabel)
272{
273
274}
275
276static void
277mac_none_relabel_socket(struct ucred *cred, struct socket *socket,
278    struct label *socketlabel, struct label *newlabel)
279{
280
281}
282
283static void
284mac_none_relabel_pipe(struct ucred *cred, struct pipe *pipe,
285    struct label *pipelabel, struct label *newlabel)
286{
287
288}
289
290static void
291mac_none_set_socket_peer_from_mbuf(struct mbuf *mbuf, struct label *mbuflabel,
292    struct socket *socket, struct label *socketpeerlabel)
293{
294
295}
296
297static void
298mac_none_set_socket_peer_from_socket(struct socket *oldsocket,
299    struct label *oldsocketlabel, struct socket *newsocket,
300    struct label *newsocketpeerlabel)
301{
302
303}
304
305/*
306 * Labeling event operations: network objects.
307 */
308static void
309mac_none_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d,
310    struct label *bpflabel)
311{
312
313}
314
315static void
316mac_none_create_datagram_from_ipq(struct ipq *ipq, struct label *ipqlabel,
317    struct mbuf *datagram, struct label *datagramlabel)
318{
319
320}
321
322static void
323mac_none_create_fragment(struct mbuf *datagram, struct label *datagramlabel,
324    struct mbuf *fragment, struct label *fragmentlabel)
325{
326
327}
328
329static void
330mac_none_create_ifnet(struct ifnet *ifnet, struct label *ifnetlabel)
331{
332
333}
334
335static void
336mac_none_create_ipq(struct mbuf *fragment, struct label *fragmentlabel,
337    struct ipq *ipq, struct label *ipqlabel)
338{
339
340}
341
342static void
343mac_none_create_mbuf_from_mbuf(struct mbuf *oldmbuf,
344    struct label *oldmbuflabel, struct mbuf *newmbuf,
345    struct label *newmbuflabel)
346{
347
348}
349
350static void
351mac_none_create_mbuf_linklayer(struct ifnet *ifnet, struct label *ifnetlabel,
352    struct mbuf *mbuf, struct label *mbuflabel)
353{
354
355}
356
357static void
358mac_none_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct label *bpflabel,
359    struct mbuf *mbuf, struct label *mbuflabel)
360{
361
362}
363
364static void
365mac_none_create_mbuf_from_ifnet(struct ifnet *ifnet, struct label *ifnetlabel,
366    struct mbuf *m, struct label *mbuflabel)
367{
368
369}
370
371static void
372mac_none_create_mbuf_multicast_encap(struct mbuf *oldmbuf,
373    struct label *oldmbuflabel, struct ifnet *ifnet, struct label *ifnetlabel,
374    struct mbuf *newmbuf, struct label *newmbuflabel)
375{
376
377}
378
379static void
380mac_none_create_mbuf_netlayer(struct mbuf *oldmbuf,
381    struct label *oldmbuflabel, struct mbuf *newmbuf, struct label *newmbuflabel)
382{
383
384}
385
386static int
387mac_none_fragment_match(struct mbuf *fragment, struct label *fragmentlabel,
388    struct ipq *ipq, struct label *ipqlabel)
389{
390
391	return (1);
392}
393
394static void
395mac_none_relabel_ifnet(struct ucred *cred, struct ifnet *ifnet,
396    struct label *ifnetlabel, struct label *newlabel)
397{
398
399}
400
401static void
402mac_none_update_ipq(struct mbuf *fragment, struct label *fragmentlabel,
403    struct ipq *ipq, struct label *ipqlabel)
404{
405
406}
407
408/*
409 * Labeling event operations: processes.
410 */
411static void
412mac_none_create_cred(struct ucred *cred_parent, struct ucred *cred_child)
413{
414
415}
416
417static void
418mac_none_execve_transition(struct ucred *old, struct ucred *new,
419    struct vnode *vp, struct label *vnodelabel,
420    struct label *interpvnodelabel, struct image_params *imgp,
421    struct label *execlabel)
422{
423
424}
425
426static int
427mac_none_execve_will_transition(struct ucred *old, struct vnode *vp,
428    struct label *vnodelabel, struct label *interpvnodelabel,
429    struct image_params *imgp, struct label *execlabel)
430{
431
432	return (0);
433}
434
435static void
436mac_none_create_proc0(struct ucred *cred)
437{
438
439}
440
441static void
442mac_none_create_proc1(struct ucred *cred)
443{
444
445}
446
447static void
448mac_none_relabel_cred(struct ucred *cred, struct label *newlabel)
449{
450
451}
452
453/*
454 * Access control checks.
455 */
456static int
457mac_none_check_bpfdesc_receive(struct bpf_d *bpf_d, struct label *bpflabel,
458    struct ifnet *ifnet, struct label *ifnet_label)
459{
460
461        return (0);
462}
463
464static int
465mac_none_check_cred_relabel(struct ucred *cred, struct label *newlabel)
466{
467
468	return (0);
469}
470
471static int
472mac_none_check_cred_visible(struct ucred *u1, struct ucred *u2)
473{
474
475	return (0);
476}
477
478static int
479mac_none_check_ifnet_relabel(struct ucred *cred, struct ifnet *ifnet,
480    struct label *ifnetlabel, struct label *newlabel)
481{
482
483	return (0);
484}
485
486static int
487mac_none_check_ifnet_transmit(struct ifnet *ifnet, struct label *ifnetlabel,
488    struct mbuf *m, struct label *mbuflabel)
489{
490
491	return (0);
492}
493
494static int
495mac_none_check_mount_stat(struct ucred *cred, struct mount *mp,
496    struct label *mntlabel)
497{
498
499	return (0);
500}
501
502static int
503mac_none_check_pipe_ioctl(struct ucred *cred, struct pipe *pipe,
504    struct label *pipelabel, unsigned long cmd, void /* caddr_t */ *data)
505{
506
507	return (0);
508}
509
510static int
511mac_none_check_pipe_poll(struct ucred *cred, struct pipe *pipe,
512    struct label *pipelabel)
513{
514
515	return (0);
516}
517
518static int
519mac_none_check_pipe_read(struct ucred *cred, struct pipe *pipe,
520    struct label *pipelabel)
521{
522
523	return (0);
524}
525
526static int
527mac_none_check_pipe_relabel(struct ucred *cred, struct pipe *pipe,
528    struct label *pipelabel, struct label *newlabel)
529{
530
531	return (0);
532}
533
534static int
535mac_none_check_pipe_stat(struct ucred *cred, struct pipe *pipe,
536    struct label *pipelabel)
537{
538
539	return (0);
540}
541
542static int
543mac_none_check_pipe_write(struct ucred *cred, struct pipe *pipe,
544    struct label *pipelabel)
545{
546
547	return (0);
548}
549
550static int
551mac_none_check_proc_debug(struct ucred *cred, struct proc *proc)
552{
553
554	return (0);
555}
556
557static int
558mac_none_check_proc_sched(struct ucred *cred, struct proc *proc)
559{
560
561	return (0);
562}
563
564static int
565mac_none_check_proc_signal(struct ucred *cred, struct proc *proc, int signum)
566{
567
568	return (0);
569}
570
571static int
572mac_none_check_socket_bind(struct ucred *cred, struct socket *socket,
573    struct label *socketlabel, struct sockaddr *sockaddr)
574{
575
576	return (0);
577}
578
579static int
580mac_none_check_socket_connect(struct ucred *cred, struct socket *socket,
581    struct label *socketlabel, struct sockaddr *sockaddr)
582{
583
584	return (0);
585}
586
587static int
588mac_none_check_socket_deliver(struct socket *so, struct label *socketlabel,
589    struct mbuf *m, struct label *mbuflabel)
590{
591
592	return (0);
593}
594
595static int
596mac_none_check_socket_listen(struct ucred *cred, struct socket *so,
597    struct label *socketlabel)
598{
599
600	return (0);
601}
602
603static int
604mac_none_check_socket_relabel(struct ucred *cred, struct socket *socket,
605    struct label *socketlabel, struct label *newlabel)
606{
607
608	return (0);
609}
610
611static int
612mac_none_check_socket_visible(struct ucred *cred, struct socket *socket,
613   struct label *socketlabel)
614{
615
616	return (0);
617}
618
619static int
620mac_none_check_system_reboot(struct ucred *cred, int how)
621{
622
623	return (0);
624}
625
626static int
627mac_none_check_system_swapon(struct ucred *cred, struct vnode *vp,
628    struct label *label)
629{
630
631	return (0);
632}
633
634static int
635mac_none_check_system_sysctl(struct ucred *cred, int *name, u_int namelen,
636    void *old, size_t *oldlenp, int inkernel, void *new, size_t newlen)
637{
638
639	return (0);
640}
641
642static int
643mac_none_check_vnode_access(struct ucred *cred, struct vnode *vp,
644    struct label *label, int acc_mode)
645{
646
647	return (0);
648}
649
650static int
651mac_none_check_vnode_chdir(struct ucred *cred, struct vnode *dvp,
652    struct label *dlabel)
653{
654
655	return (0);
656}
657
658static int
659mac_none_check_vnode_chroot(struct ucred *cred, struct vnode *dvp,
660    struct label *dlabel)
661{
662
663	return (0);
664}
665
666static int
667mac_none_check_vnode_create(struct ucred *cred, struct vnode *dvp,
668    struct label *dlabel, struct componentname *cnp, struct vattr *vap)
669{
670
671	return (0);
672}
673
674static int
675mac_none_check_vnode_delete(struct ucred *cred, struct vnode *dvp,
676    struct label *dlabel, struct vnode *vp, struct label *label,
677    struct componentname *cnp)
678{
679
680	return (0);
681}
682
683static int
684mac_none_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp,
685    struct label *label, acl_type_t type)
686{
687
688	return (0);
689}
690
691static int
692mac_none_check_vnode_exec(struct ucred *cred, struct vnode *vp,
693    struct label *label, struct image_params *imgp,
694    struct label *execlabel)
695{
696
697	return (0);
698}
699
700static int
701mac_none_check_vnode_getacl(struct ucred *cred, struct vnode *vp,
702    struct label *label, acl_type_t type)
703{
704
705	return (0);
706}
707
708static int
709mac_none_check_vnode_getextattr(struct ucred *cred, struct vnode *vp,
710    struct label *label, int attrnamespace, const char *name, struct uio *uio)
711{
712
713	return (0);
714}
715
716static int
717mac_none_check_vnode_link(struct ucred *cred, struct vnode *dvp,
718    struct label *dlabel, struct vnode *vp, struct label *label,
719    struct componentname *cnp)
720{
721
722	return (0);
723}
724
725static int
726mac_none_check_vnode_lookup(struct ucred *cred, struct vnode *dvp,
727    struct label *dlabel, struct componentname *cnp)
728{
729
730	return (0);
731}
732
733static int
734mac_none_check_vnode_mmap(struct ucred *cred, struct vnode *vp,
735    struct label *label, int prot)
736{
737
738	return (0);
739}
740
741static int
742mac_none_check_vnode_mprotect(struct ucred *cred, struct vnode *vp,
743    struct label *label, int prot)
744{
745
746	return (0);
747}
748
749static int
750mac_none_check_vnode_open(struct ucred *cred, struct vnode *vp,
751    struct label *filelabel, int acc_mode)
752{
753
754	return (0);
755}
756
757static int
758mac_none_check_vnode_poll(struct ucred *active_cred, struct ucred *file_cred,
759    struct vnode *vp, struct label *label)
760{
761
762	return (0);
763}
764
765static int
766mac_none_check_vnode_read(struct ucred *active_cred, struct ucred *file_cred,
767    struct vnode *vp, struct label *label)
768{
769
770	return (0);
771}
772
773static int
774mac_none_check_vnode_readdir(struct ucred *cred, struct vnode *vp,
775    struct label *dlabel)
776{
777
778	return (0);
779}
780
781static int
782mac_none_check_vnode_readlink(struct ucred *cred, struct vnode *vp,
783    struct label *vnodelabel)
784{
785
786	return (0);
787}
788
789static int
790mac_none_check_vnode_relabel(struct ucred *cred, struct vnode *vp,
791    struct label *vnodelabel, struct label *newlabel)
792{
793
794	return (0);
795}
796
797static int
798mac_none_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp,
799    struct label *dlabel, struct vnode *vp, struct label *label,
800    struct componentname *cnp)
801{
802
803	return (0);
804}
805
806static int
807mac_none_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp,
808    struct label *dlabel, struct vnode *vp, struct label *label, int samedir,
809    struct componentname *cnp)
810{
811
812	return (0);
813}
814
815static int
816mac_none_check_vnode_revoke(struct ucred *cred, struct vnode *vp,
817    struct label *label)
818{
819
820	return (0);
821}
822
823static int
824mac_none_check_vnode_setacl(struct ucred *cred, struct vnode *vp,
825    struct label *label, acl_type_t type, struct acl *acl)
826{
827
828	return (0);
829}
830
831static int
832mac_none_check_vnode_setextattr(struct ucred *cred, struct vnode *vp,
833    struct label *label, int attrnamespace, const char *name, struct uio *uio)
834{
835
836	return (0);
837}
838
839static int
840mac_none_check_vnode_setflags(struct ucred *cred, struct vnode *vp,
841    struct label *label, u_long flags)
842{
843
844	return (0);
845}
846
847static int
848mac_none_check_vnode_setmode(struct ucred *cred, struct vnode *vp,
849    struct label *label, mode_t mode)
850{
851
852	return (0);
853}
854
855static int
856mac_none_check_vnode_setowner(struct ucred *cred, struct vnode *vp,
857    struct label *label, uid_t uid, gid_t gid)
858{
859
860	return (0);
861}
862
863static int
864mac_none_check_vnode_setutimes(struct ucred *cred, struct vnode *vp,
865    struct label *label, struct timespec atime, struct timespec mtime)
866{
867
868	return (0);
869}
870
871static int
872mac_none_check_vnode_stat(struct ucred *active_cred, struct ucred *file_cred,
873    struct vnode *vp, struct label *label)
874{
875
876	return (0);
877}
878
879static int
880mac_none_check_vnode_write(struct ucred *active_cred,
881    struct ucred *file_cred, struct vnode *vp, struct label *label)
882{
883
884	return (0);
885}
886
887static struct mac_policy_ops mac_none_ops =
888{
889	.mpo_destroy = mac_none_destroy,
890	.mpo_init = mac_none_init,
891	.mpo_syscall = mac_none_syscall,
892	.mpo_init_bpfdesc_label = mac_none_init_label,
893	.mpo_init_cred_label = mac_none_init_label,
894	.mpo_init_devfsdirent_label = mac_none_init_label,
895	.mpo_init_ifnet_label = mac_none_init_label,
896	.mpo_init_ipq_label = mac_none_init_label,
897	.mpo_init_mbuf_label = mac_none_init_label_waitcheck,
898	.mpo_init_mount_label = mac_none_init_label,
899	.mpo_init_mount_fs_label = mac_none_init_label,
900	.mpo_init_pipe_label = mac_none_init_label,
901	.mpo_init_socket_label = mac_none_init_label_waitcheck,
902	.mpo_init_socket_peer_label = mac_none_init_label_waitcheck,
903	.mpo_init_vnode_label = mac_none_init_label,
904	.mpo_destroy_bpfdesc_label = mac_none_destroy_label,
905	.mpo_destroy_cred_label = mac_none_destroy_label,
906	.mpo_destroy_devfsdirent_label = mac_none_destroy_label,
907	.mpo_destroy_ifnet_label = mac_none_destroy_label,
908	.mpo_destroy_ipq_label = mac_none_destroy_label,
909	.mpo_destroy_mbuf_label = mac_none_destroy_label,
910	.mpo_destroy_mount_label = mac_none_destroy_label,
911	.mpo_destroy_mount_fs_label = mac_none_destroy_label,
912	.mpo_destroy_pipe_label = mac_none_destroy_label,
913	.mpo_destroy_socket_label = mac_none_destroy_label,
914	.mpo_destroy_socket_peer_label = mac_none_destroy_label,
915	.mpo_destroy_vnode_label = mac_none_destroy_label,
916	.mpo_externalize_cred_label = mac_none_externalize_label,
917	.mpo_externalize_ifnet_label = mac_none_externalize_label,
918	.mpo_externalize_pipe_label = mac_none_externalize_label,
919	.mpo_externalize_socket_label = mac_none_externalize_label,
920	.mpo_externalize_socket_peer_label = mac_none_externalize_label,
921	.mpo_externalize_vnode_label = mac_none_externalize_label,
922	.mpo_internalize_cred_label = mac_none_internalize_label,
923	.mpo_internalize_ifnet_label = mac_none_internalize_label,
924	.mpo_internalize_pipe_label = mac_none_internalize_label,
925	.mpo_internalize_socket_label = mac_none_internalize_label,
926	.mpo_internalize_vnode_label = mac_none_internalize_label,
927	.mpo_associate_vnode_devfs = mac_none_associate_vnode_devfs,
928	.mpo_associate_vnode_extattr = mac_none_associate_vnode_extattr,
929	.mpo_associate_vnode_singlelabel = mac_none_associate_vnode_singlelabel,
930	.mpo_create_devfs_device = mac_none_create_devfs_device,
931	.mpo_create_devfs_directory = mac_none_create_devfs_directory,
932	.mpo_create_devfs_symlink = mac_none_create_devfs_symlink,
933	.mpo_create_devfs_vnode = mac_none_create_devfs_vnode,
934	.mpo_create_vnode_extattr = mac_none_create_vnode_extattr,
935	.mpo_create_mount = mac_none_create_mount,
936	.mpo_create_root_mount = mac_none_create_root_mount,
937	.mpo_relabel_vnode = mac_none_relabel_vnode,
938	.mpo_setlabel_vnode_extattr = mac_none_setlabel_vnode_extattr,
939	.mpo_update_devfsdirent = mac_none_update_devfsdirent,
940	.mpo_create_mbuf_from_socket = mac_none_create_mbuf_from_socket,
941	.mpo_create_pipe = mac_none_create_pipe,
942	.mpo_create_socket = mac_none_create_socket,
943	.mpo_create_socket_from_socket = mac_none_create_socket_from_socket,
944	.mpo_relabel_pipe = mac_none_relabel_pipe,
945	.mpo_relabel_socket = mac_none_relabel_socket,
946	.mpo_set_socket_peer_from_mbuf = mac_none_set_socket_peer_from_mbuf,
947	.mpo_set_socket_peer_from_socket = mac_none_set_socket_peer_from_socket,
948	.mpo_create_bpfdesc = mac_none_create_bpfdesc,
949	.mpo_create_ifnet = mac_none_create_ifnet,
950	.mpo_create_ipq = mac_none_create_ipq,
951	.mpo_create_datagram_from_ipq = mac_none_create_datagram_from_ipq,
952	.mpo_create_fragment = mac_none_create_fragment,
953	.mpo_create_ipq = mac_none_create_ipq,
954	.mpo_create_mbuf_from_mbuf = mac_none_create_mbuf_from_mbuf,
955	.mpo_create_mbuf_linklayer = mac_none_create_mbuf_linklayer,
956	.mpo_create_mbuf_from_bpfdesc = mac_none_create_mbuf_from_bpfdesc,
957	.mpo_create_mbuf_from_ifnet = mac_none_create_mbuf_from_ifnet,
958	.mpo_create_mbuf_multicast_encap = mac_none_create_mbuf_multicast_encap,
959	.mpo_create_mbuf_netlayer = mac_none_create_mbuf_netlayer,
960	.mpo_fragment_match = mac_none_fragment_match,
961	.mpo_relabel_ifnet = mac_none_relabel_ifnet,
962	.mpo_update_ipq = mac_none_update_ipq,
963	.mpo_create_cred = mac_none_create_cred,
964	.mpo_execve_transition = mac_none_execve_transition,
965	.mpo_execve_will_transition = mac_none_execve_will_transition,
966	.mpo_create_proc0 = mac_none_create_proc0,
967	.mpo_create_proc1 = mac_none_create_proc1,
968	.mpo_relabel_cred = mac_none_relabel_cred,
969	.mpo_check_bpfdesc_receive = mac_none_check_bpfdesc_receive,
970	.mpo_check_cred_relabel = mac_none_check_cred_relabel,
971	.mpo_check_cred_visible = mac_none_check_cred_visible,
972	.mpo_check_ifnet_relabel = mac_none_check_ifnet_relabel,
973	.mpo_check_ifnet_transmit = mac_none_check_ifnet_transmit,
974	.mpo_check_mount_stat = mac_none_check_mount_stat,
975	.mpo_check_pipe_ioctl = mac_none_check_pipe_ioctl,
976	.mpo_check_pipe_poll = mac_none_check_pipe_poll,
977	.mpo_check_pipe_read = mac_none_check_pipe_read,
978	.mpo_check_pipe_relabel = mac_none_check_pipe_relabel,
979	.mpo_check_pipe_stat = mac_none_check_pipe_stat,
980	.mpo_check_pipe_write = mac_none_check_pipe_write,
981	.mpo_check_proc_debug = mac_none_check_proc_debug,
982	.mpo_check_proc_sched = mac_none_check_proc_sched,
983	.mpo_check_proc_signal = mac_none_check_proc_signal,
984	.mpo_check_socket_bind = mac_none_check_socket_bind,
985	.mpo_check_socket_connect = mac_none_check_socket_connect,
986	.mpo_check_socket_deliver = mac_none_check_socket_deliver,
987	.mpo_check_socket_listen = mac_none_check_socket_listen,
988	.mpo_check_socket_relabel = mac_none_check_socket_relabel,
989	.mpo_check_socket_visible = mac_none_check_socket_visible,
990	.mpo_check_system_reboot = mac_none_check_system_reboot,
991	.mpo_check_system_swapon = mac_none_check_system_swapon,
992	.mpo_check_system_sysctl = mac_none_check_system_sysctl,
993	.mpo_check_vnode_access = mac_none_check_vnode_access,
994	.mpo_check_vnode_chdir = mac_none_check_vnode_chdir,
995	.mpo_check_vnode_chroot = mac_none_check_vnode_chroot,
996	.mpo_check_vnode_create = mac_none_check_vnode_create,
997	.mpo_check_vnode_delete = mac_none_check_vnode_delete,
998	.mpo_check_vnode_deleteacl = mac_none_check_vnode_deleteacl,
999	.mpo_check_vnode_exec = mac_none_check_vnode_exec,
1000	.mpo_check_vnode_getacl = mac_none_check_vnode_getacl,
1001	.mpo_check_vnode_getextattr = mac_none_check_vnode_getextattr,
1002	.mpo_check_vnode_link = mac_none_check_vnode_link,
1003	.mpo_check_vnode_lookup = mac_none_check_vnode_lookup,
1004	.mpo_check_vnode_mmap = mac_none_check_vnode_mmap,
1005	.mpo_check_vnode_mprotect = mac_none_check_vnode_mprotect,
1006	.mpo_check_vnode_open = mac_none_check_vnode_open,
1007	.mpo_check_vnode_poll = mac_none_check_vnode_poll,
1008	.mpo_check_vnode_read = mac_none_check_vnode_read,
1009	.mpo_check_vnode_readdir = mac_none_check_vnode_readdir,
1010	.mpo_check_vnode_readlink = mac_none_check_vnode_readlink,
1011	.mpo_check_vnode_relabel = mac_none_check_vnode_relabel,
1012	.mpo_check_vnode_rename_from = mac_none_check_vnode_rename_from,
1013	.mpo_check_vnode_rename_to = mac_none_check_vnode_rename_to,
1014	.mpo_check_vnode_revoke = mac_none_check_vnode_revoke,
1015	.mpo_check_vnode_setacl = mac_none_check_vnode_setacl,
1016	.mpo_check_vnode_setextattr = mac_none_check_vnode_setextattr,
1017	.mpo_check_vnode_setflags = mac_none_check_vnode_setflags,
1018	.mpo_check_vnode_setmode = mac_none_check_vnode_setmode,
1019	.mpo_check_vnode_setowner = mac_none_check_vnode_setowner,
1020	.mpo_check_vnode_setutimes = mac_none_check_vnode_setutimes,
1021	.mpo_check_vnode_stat = mac_none_check_vnode_stat,
1022	.mpo_check_vnode_write = mac_none_check_vnode_write,
1023};
1024
1025MAC_POLICY_SET(&mac_none_ops, trustedbsd_mac_none, "TrustedBSD MAC/None",
1026    MPC_LOADTIME_FLAG_UNLOADOK, NULL);
1027