xref: /freebsd/sys/security/mac_stub/mac_stub.c (revision 1c3f91cdc8ae330b91e552ee2708ab43e3befc42)
1d8a7b7a3SRobert Watson /*-
2d8a7b7a3SRobert Watson  * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson
31c3f91cdSRobert Watson  * Copyright (c) 2001, 2002, 2003 Networks Associates Technology, Inc.
4d8a7b7a3SRobert Watson  * All rights reserved.
5d8a7b7a3SRobert Watson  *
6d8a7b7a3SRobert Watson  * This software was developed by Robert Watson for the TrustedBSD Project.
7d8a7b7a3SRobert Watson  *
8dc858fcaSRobert Watson  * This software was developed for the FreeBSD Project in part by Network
9dc858fcaSRobert Watson  * Associates Laboratories, the Security Research Division of Network
10dc858fcaSRobert Watson  * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
11dc858fcaSRobert Watson  * as part of the DARPA CHATS research program.
12d8a7b7a3SRobert Watson  *
13d8a7b7a3SRobert Watson  * Redistribution and use in source and binary forms, with or without
14d8a7b7a3SRobert Watson  * modification, are permitted provided that the following conditions
15d8a7b7a3SRobert Watson  * are met:
16d8a7b7a3SRobert Watson  * 1. Redistributions of source code must retain the above copyright
17d8a7b7a3SRobert Watson  *    notice, this list of conditions and the following disclaimer.
18d8a7b7a3SRobert Watson  * 2. Redistributions in binary form must reproduce the above copyright
19d8a7b7a3SRobert Watson  *    notice, this list of conditions and the following disclaimer in the
20d8a7b7a3SRobert Watson  *    documentation and/or other materials provided with the distribution.
21d8a7b7a3SRobert Watson  *
22d8a7b7a3SRobert Watson  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23d8a7b7a3SRobert Watson  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24d8a7b7a3SRobert Watson  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25d8a7b7a3SRobert Watson  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26d8a7b7a3SRobert Watson  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27d8a7b7a3SRobert Watson  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28d8a7b7a3SRobert Watson  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29d8a7b7a3SRobert Watson  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30d8a7b7a3SRobert Watson  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31d8a7b7a3SRobert Watson  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32d8a7b7a3SRobert Watson  * SUCH DAMAGE.
33d8a7b7a3SRobert Watson  *
34d8a7b7a3SRobert Watson  * $FreeBSD$
35d8a7b7a3SRobert Watson  */
36d8a7b7a3SRobert Watson 
37d8a7b7a3SRobert Watson /*
38d8a7b7a3SRobert Watson  * Developed by the TrustedBSD Project.
391c3f91cdSRobert Watson  *
401c3f91cdSRobert Watson  * Stub module that implements a NOOP for most (if not all) MAC Framework
411c3f91cdSRobert Watson  * policy entry points.
42d8a7b7a3SRobert Watson  */
43d8a7b7a3SRobert Watson 
44d8a7b7a3SRobert Watson #include <sys/types.h>
45d8a7b7a3SRobert Watson #include <sys/param.h>
46d8a7b7a3SRobert Watson #include <sys/acl.h>
47d8a7b7a3SRobert Watson #include <sys/conf.h>
48763bbd2fSRobert Watson #include <sys/extattr.h>
49d8a7b7a3SRobert Watson #include <sys/kernel.h>
50d8a7b7a3SRobert Watson #include <sys/mac.h>
51d8a7b7a3SRobert Watson #include <sys/mount.h>
52d8a7b7a3SRobert Watson #include <sys/proc.h>
53d8a7b7a3SRobert Watson #include <sys/systm.h>
54d8a7b7a3SRobert Watson #include <sys/sysproto.h>
55d8a7b7a3SRobert Watson #include <sys/sysent.h>
56d8a7b7a3SRobert Watson #include <sys/vnode.h>
57d8a7b7a3SRobert Watson #include <sys/file.h>
58d8a7b7a3SRobert Watson #include <sys/socket.h>
59d8a7b7a3SRobert Watson #include <sys/socketvar.h>
60d8a7b7a3SRobert Watson #include <sys/pipe.h>
61d8a7b7a3SRobert Watson #include <sys/sysctl.h>
62d8a7b7a3SRobert Watson 
63d8a7b7a3SRobert Watson #include <fs/devfs/devfs.h>
64d8a7b7a3SRobert Watson 
65d8a7b7a3SRobert Watson #include <net/bpfdesc.h>
66d8a7b7a3SRobert Watson #include <net/if.h>
67d8a7b7a3SRobert Watson #include <net/if_types.h>
68d8a7b7a3SRobert Watson #include <net/if_var.h>
69d8a7b7a3SRobert Watson 
70d8a7b7a3SRobert Watson #include <netinet/in.h>
71d8a7b7a3SRobert Watson #include <netinet/ip_var.h>
72d8a7b7a3SRobert Watson 
73d8a7b7a3SRobert Watson #include <vm/vm.h>
74d8a7b7a3SRobert Watson 
75d8a7b7a3SRobert Watson #include <sys/mac_policy.h>
76d8a7b7a3SRobert Watson 
77d8a7b7a3SRobert Watson SYSCTL_DECL(_security_mac);
78d8a7b7a3SRobert Watson 
791c3f91cdSRobert Watson SYSCTL_NODE(_security_mac, OID_AUTO, stub, CTLFLAG_RW, 0,
801c3f91cdSRobert Watson     "TrustedBSD mac_stub policy controls");
81d8a7b7a3SRobert Watson 
821c3f91cdSRobert Watson static int	stub_enabled = 1;
831c3f91cdSRobert Watson SYSCTL_INT(_security_mac_stub, OID_AUTO, enabled, CTLFLAG_RW,
841c3f91cdSRobert Watson     &stub_enabled, 0, "Enforce mac_stub policy");
85d8a7b7a3SRobert Watson 
86d8a7b7a3SRobert Watson /*
87d8a7b7a3SRobert Watson  * Policy module operations.
88d8a7b7a3SRobert Watson  */
89d8a7b7a3SRobert Watson static void
901c3f91cdSRobert Watson stub_destroy(struct mac_policy_conf *conf)
91d8a7b7a3SRobert Watson {
92d8a7b7a3SRobert Watson 
93d8a7b7a3SRobert Watson }
94d8a7b7a3SRobert Watson 
95d8a7b7a3SRobert Watson static void
961c3f91cdSRobert Watson stub_init(struct mac_policy_conf *conf)
97d8a7b7a3SRobert Watson {
98d8a7b7a3SRobert Watson 
99d8a7b7a3SRobert Watson }
100d8a7b7a3SRobert Watson 
1018a97ecf6SRobert Watson static int
1021c3f91cdSRobert Watson stub_syscall(struct thread *td, int call, void *arg)
1038a97ecf6SRobert Watson {
1048a97ecf6SRobert Watson 
1058a97ecf6SRobert Watson 	return (0);
1068a97ecf6SRobert Watson }
1078a97ecf6SRobert Watson 
108d8a7b7a3SRobert Watson /*
109d8a7b7a3SRobert Watson  * Label operations.
110d8a7b7a3SRobert Watson  */
111d8a7b7a3SRobert Watson static void
1121c3f91cdSRobert Watson stub_init_label(struct label *label)
113d8a7b7a3SRobert Watson {
114d8a7b7a3SRobert Watson 
115d8a7b7a3SRobert Watson }
116d8a7b7a3SRobert Watson 
117d8a7b7a3SRobert Watson static int
1181c3f91cdSRobert Watson stub_init_label_waitcheck(struct label *label, int flag)
119d8a7b7a3SRobert Watson {
120d8a7b7a3SRobert Watson 
121d8a7b7a3SRobert Watson 	return (0);
122d8a7b7a3SRobert Watson }
123d8a7b7a3SRobert Watson 
124d8a7b7a3SRobert Watson static void
1251c3f91cdSRobert Watson stub_destroy_label(struct label *label)
126d8a7b7a3SRobert Watson {
127d8a7b7a3SRobert Watson 
128d8a7b7a3SRobert Watson }
129d8a7b7a3SRobert Watson 
130d8a7b7a3SRobert Watson static int
1311c3f91cdSRobert Watson stub_externalize_label(struct label *label, char *element_name,
132f51e5803SRobert Watson     struct sbuf *sb, int *claimed)
133d8a7b7a3SRobert Watson {
134d8a7b7a3SRobert Watson 
135d8a7b7a3SRobert Watson 	return (0);
136d8a7b7a3SRobert Watson }
137d8a7b7a3SRobert Watson 
138d8a7b7a3SRobert Watson static int
1391c3f91cdSRobert Watson stub_internalize_label(struct label *label, char *element_name,
14024e8d0d0SRobert Watson     char *element_data, int *claimed)
141d8a7b7a3SRobert Watson {
142d8a7b7a3SRobert Watson 
143d8a7b7a3SRobert Watson 	return (0);
144d8a7b7a3SRobert Watson }
145d8a7b7a3SRobert Watson 
146d8a7b7a3SRobert Watson /*
147d8a7b7a3SRobert Watson  * Labeling event operations: file system objects, and things that look
148d8a7b7a3SRobert Watson  * a lot like file system objects.
149d8a7b7a3SRobert Watson  */
150d8a7b7a3SRobert Watson static void
1511c3f91cdSRobert Watson stub_associate_vnode_devfs(struct mount *mp, struct label *fslabel,
152763bbd2fSRobert Watson     struct devfs_dirent *de, struct label *delabel, struct vnode *vp,
153763bbd2fSRobert Watson     struct label *vlabel)
154763bbd2fSRobert Watson {
155763bbd2fSRobert Watson 
156763bbd2fSRobert Watson }
157763bbd2fSRobert Watson 
158763bbd2fSRobert Watson static int
1591c3f91cdSRobert Watson stub_associate_vnode_extattr(struct mount *mp, struct label *fslabel,
160763bbd2fSRobert Watson     struct vnode *vp, struct label *vlabel)
161763bbd2fSRobert Watson {
162763bbd2fSRobert Watson 
163763bbd2fSRobert Watson 	return (0);
164763bbd2fSRobert Watson }
165763bbd2fSRobert Watson 
166763bbd2fSRobert Watson static void
1671c3f91cdSRobert Watson stub_associate_vnode_singlelabel(struct mount *mp,
168763bbd2fSRobert Watson     struct label *fslabel, struct vnode *vp, struct label *vlabel)
169763bbd2fSRobert Watson {
170763bbd2fSRobert Watson 
171763bbd2fSRobert Watson }
172763bbd2fSRobert Watson 
173763bbd2fSRobert Watson static void
1741c3f91cdSRobert Watson stub_create_devfs_device(struct mount *mp, dev_t dev,
17557e2f493SRobert Watson     struct devfs_dirent *devfs_dirent, struct label *label)
176eea8ea31SRobert Watson {
177eea8ea31SRobert Watson 
178eea8ea31SRobert Watson }
179eea8ea31SRobert Watson 
180eea8ea31SRobert Watson static void
1811c3f91cdSRobert Watson stub_create_devfs_directory(struct mount *mp, char *dirname,
182990b4b2dSRobert Watson     int dirnamelen, struct devfs_dirent *devfs_dirent, struct label *label)
183990b4b2dSRobert Watson {
184990b4b2dSRobert Watson 
185990b4b2dSRobert Watson }
186990b4b2dSRobert Watson 
187990b4b2dSRobert Watson static void
1881c3f91cdSRobert Watson stub_create_devfs_symlink(struct ucred *cred, struct mount *mp,
189990b4b2dSRobert Watson     struct devfs_dirent *dd, struct label *ddlabel, struct devfs_dirent *de,
190990b4b2dSRobert Watson     struct label *delabel)
191d8a7b7a3SRobert Watson {
192d8a7b7a3SRobert Watson 
193d8a7b7a3SRobert Watson }
194d8a7b7a3SRobert Watson 
195763bbd2fSRobert Watson static int
1961c3f91cdSRobert Watson stub_create_vnode_extattr(struct ucred *cred, struct mount *mp,
197763bbd2fSRobert Watson     struct label *fslabel, struct vnode *dvp, struct label *dlabel,
198763bbd2fSRobert Watson     struct vnode *vp, struct label *vlabel, struct componentname *cnp)
199d8a7b7a3SRobert Watson {
200d8a7b7a3SRobert Watson 
201763bbd2fSRobert Watson 	return (0);
202d8a7b7a3SRobert Watson }
203d8a7b7a3SRobert Watson 
204d8a7b7a3SRobert Watson static void
2051c3f91cdSRobert Watson stub_create_mount(struct ucred *cred, struct mount *mp,
206d8a7b7a3SRobert Watson     struct label *mntlabel, struct label *fslabel)
207d8a7b7a3SRobert Watson {
208d8a7b7a3SRobert Watson 
209d8a7b7a3SRobert Watson }
210d8a7b7a3SRobert Watson 
211d8a7b7a3SRobert Watson static void
2121c3f91cdSRobert Watson stub_create_root_mount(struct ucred *cred, struct mount *mp,
213d8a7b7a3SRobert Watson     struct label *mntlabel, struct label *fslabel)
214d8a7b7a3SRobert Watson {
215d8a7b7a3SRobert Watson 
216d8a7b7a3SRobert Watson }
217d8a7b7a3SRobert Watson 
218d8a7b7a3SRobert Watson static void
2191c3f91cdSRobert Watson stub_relabel_vnode(struct ucred *cred, struct vnode *vp,
220d8a7b7a3SRobert Watson     struct label *vnodelabel, struct label *label)
221d8a7b7a3SRobert Watson {
222d8a7b7a3SRobert Watson 
223d8a7b7a3SRobert Watson }
224d8a7b7a3SRobert Watson 
225d8a7b7a3SRobert Watson static int
2261c3f91cdSRobert Watson stub_setlabel_vnode_extattr(struct ucred *cred, struct vnode *vp,
227763bbd2fSRobert Watson     struct label *vlabel, struct label *intlabel)
228d8a7b7a3SRobert Watson {
229d8a7b7a3SRobert Watson 
230d8a7b7a3SRobert Watson 	return (0);
231d8a7b7a3SRobert Watson }
232d8a7b7a3SRobert Watson 
233d8a7b7a3SRobert Watson static void
2341c3f91cdSRobert Watson stub_update_devfsdirent(struct mount *mp,
235990b4b2dSRobert Watson     struct devfs_dirent *devfs_dirent, struct label *direntlabel,
236990b4b2dSRobert Watson     struct vnode *vp, struct label *vnodelabel)
237d8a7b7a3SRobert Watson {
238d8a7b7a3SRobert Watson 
239d8a7b7a3SRobert Watson }
240d8a7b7a3SRobert Watson 
241d8a7b7a3SRobert Watson /*
242d8a7b7a3SRobert Watson  * Labeling event operations: IPC object.
243d8a7b7a3SRobert Watson  */
244d8a7b7a3SRobert Watson static void
2451c3f91cdSRobert Watson stub_create_mbuf_from_socket(struct socket *so, struct label *socketlabel,
246d8a7b7a3SRobert Watson     struct mbuf *m, struct label *mbuflabel)
247d8a7b7a3SRobert Watson {
248d8a7b7a3SRobert Watson 
249d8a7b7a3SRobert Watson }
250d8a7b7a3SRobert Watson 
251d8a7b7a3SRobert Watson static void
2521c3f91cdSRobert Watson stub_create_socket(struct ucred *cred, struct socket *socket,
253d8a7b7a3SRobert Watson     struct label *socketlabel)
254d8a7b7a3SRobert Watson {
255d8a7b7a3SRobert Watson 
256d8a7b7a3SRobert Watson }
257d8a7b7a3SRobert Watson 
258d8a7b7a3SRobert Watson static void
2591c3f91cdSRobert Watson stub_create_pipe(struct ucred *cred, struct pipe *pipe,
260d8a7b7a3SRobert Watson     struct label *pipelabel)
261d8a7b7a3SRobert Watson {
262d8a7b7a3SRobert Watson 
263d8a7b7a3SRobert Watson }
264d8a7b7a3SRobert Watson 
265d8a7b7a3SRobert Watson static void
2661c3f91cdSRobert Watson stub_create_socket_from_socket(struct socket *oldsocket,
267d8a7b7a3SRobert Watson     struct label *oldsocketlabel, struct socket *newsocket,
268d8a7b7a3SRobert Watson     struct label *newsocketlabel)
269d8a7b7a3SRobert Watson {
270d8a7b7a3SRobert Watson 
271d8a7b7a3SRobert Watson }
272d8a7b7a3SRobert Watson 
273d8a7b7a3SRobert Watson static void
2741c3f91cdSRobert Watson stub_relabel_socket(struct ucred *cred, struct socket *socket,
275d8a7b7a3SRobert Watson     struct label *socketlabel, struct label *newlabel)
276d8a7b7a3SRobert Watson {
277d8a7b7a3SRobert Watson 
278d8a7b7a3SRobert Watson }
279d8a7b7a3SRobert Watson 
280d8a7b7a3SRobert Watson static void
2811c3f91cdSRobert Watson stub_relabel_pipe(struct ucred *cred, struct pipe *pipe,
282d8a7b7a3SRobert Watson     struct label *pipelabel, struct label *newlabel)
283d8a7b7a3SRobert Watson {
284d8a7b7a3SRobert Watson 
285d8a7b7a3SRobert Watson }
286d8a7b7a3SRobert Watson 
287d8a7b7a3SRobert Watson static void
2881c3f91cdSRobert Watson stub_set_socket_peer_from_mbuf(struct mbuf *mbuf, struct label *mbuflabel,
289d8a7b7a3SRobert Watson     struct socket *socket, struct label *socketpeerlabel)
290d8a7b7a3SRobert Watson {
291d8a7b7a3SRobert Watson 
292d8a7b7a3SRobert Watson }
293d8a7b7a3SRobert Watson 
294d8a7b7a3SRobert Watson static void
2951c3f91cdSRobert Watson stub_set_socket_peer_from_socket(struct socket *oldsocket,
296d8a7b7a3SRobert Watson     struct label *oldsocketlabel, struct socket *newsocket,
297d8a7b7a3SRobert Watson     struct label *newsocketpeerlabel)
298d8a7b7a3SRobert Watson {
299d8a7b7a3SRobert Watson 
300d8a7b7a3SRobert Watson }
301d8a7b7a3SRobert Watson 
302d8a7b7a3SRobert Watson /*
303d8a7b7a3SRobert Watson  * Labeling event operations: network objects.
304d8a7b7a3SRobert Watson  */
305d8a7b7a3SRobert Watson static void
3061c3f91cdSRobert Watson stub_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d,
307d8a7b7a3SRobert Watson     struct label *bpflabel)
308d8a7b7a3SRobert Watson {
309d8a7b7a3SRobert Watson 
310d8a7b7a3SRobert Watson }
311d8a7b7a3SRobert Watson 
312d8a7b7a3SRobert Watson static void
3131c3f91cdSRobert Watson stub_create_datagram_from_ipq(struct ipq *ipq, struct label *ipqlabel,
314d8a7b7a3SRobert Watson     struct mbuf *datagram, struct label *datagramlabel)
315d8a7b7a3SRobert Watson {
316d8a7b7a3SRobert Watson 
317d8a7b7a3SRobert Watson }
318d8a7b7a3SRobert Watson 
319d8a7b7a3SRobert Watson static void
3201c3f91cdSRobert Watson stub_create_fragment(struct mbuf *datagram, struct label *datagramlabel,
321d8a7b7a3SRobert Watson     struct mbuf *fragment, struct label *fragmentlabel)
322d8a7b7a3SRobert Watson {
323d8a7b7a3SRobert Watson 
324d8a7b7a3SRobert Watson }
325d8a7b7a3SRobert Watson 
326d8a7b7a3SRobert Watson static void
3271c3f91cdSRobert Watson stub_create_ifnet(struct ifnet *ifnet, struct label *ifnetlabel)
328d8a7b7a3SRobert Watson {
329d8a7b7a3SRobert Watson 
330d8a7b7a3SRobert Watson }
331d8a7b7a3SRobert Watson 
332d8a7b7a3SRobert Watson static void
3331c3f91cdSRobert Watson stub_create_ipq(struct mbuf *fragment, struct label *fragmentlabel,
334d8a7b7a3SRobert Watson     struct ipq *ipq, struct label *ipqlabel)
335d8a7b7a3SRobert Watson {
336d8a7b7a3SRobert Watson 
337d8a7b7a3SRobert Watson }
338d8a7b7a3SRobert Watson 
339d8a7b7a3SRobert Watson static void
3401c3f91cdSRobert Watson stub_create_mbuf_from_mbuf(struct mbuf *oldmbuf,
341d8a7b7a3SRobert Watson     struct label *oldmbuflabel, struct mbuf *newmbuf,
342d8a7b7a3SRobert Watson     struct label *newmbuflabel)
343d8a7b7a3SRobert Watson {
344d8a7b7a3SRobert Watson 
345d8a7b7a3SRobert Watson }
346d8a7b7a3SRobert Watson 
347d8a7b7a3SRobert Watson static void
3481c3f91cdSRobert Watson stub_create_mbuf_linklayer(struct ifnet *ifnet, struct label *ifnetlabel,
349d8a7b7a3SRobert Watson     struct mbuf *mbuf, struct label *mbuflabel)
350d8a7b7a3SRobert Watson {
351d8a7b7a3SRobert Watson 
352d8a7b7a3SRobert Watson }
353d8a7b7a3SRobert Watson 
354d8a7b7a3SRobert Watson static void
3551c3f91cdSRobert Watson stub_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct label *bpflabel,
356d8a7b7a3SRobert Watson     struct mbuf *mbuf, struct label *mbuflabel)
357d8a7b7a3SRobert Watson {
358d8a7b7a3SRobert Watson 
359d8a7b7a3SRobert Watson }
360d8a7b7a3SRobert Watson 
361d8a7b7a3SRobert Watson static void
3621c3f91cdSRobert Watson stub_create_mbuf_from_ifnet(struct ifnet *ifnet, struct label *ifnetlabel,
363d8a7b7a3SRobert Watson     struct mbuf *m, struct label *mbuflabel)
364d8a7b7a3SRobert Watson {
365d8a7b7a3SRobert Watson 
366d8a7b7a3SRobert Watson }
367d8a7b7a3SRobert Watson 
368d8a7b7a3SRobert Watson static void
3691c3f91cdSRobert Watson stub_create_mbuf_multicast_encap(struct mbuf *oldmbuf,
370d8a7b7a3SRobert Watson     struct label *oldmbuflabel, struct ifnet *ifnet, struct label *ifnetlabel,
371d8a7b7a3SRobert Watson     struct mbuf *newmbuf, struct label *newmbuflabel)
372d8a7b7a3SRobert Watson {
373d8a7b7a3SRobert Watson 
374d8a7b7a3SRobert Watson }
375d8a7b7a3SRobert Watson 
376d8a7b7a3SRobert Watson static void
3771c3f91cdSRobert Watson stub_create_mbuf_netlayer(struct mbuf *oldmbuf,
378d8a7b7a3SRobert Watson     struct label *oldmbuflabel, struct mbuf *newmbuf, struct label *newmbuflabel)
379d8a7b7a3SRobert Watson {
380d8a7b7a3SRobert Watson 
381d8a7b7a3SRobert Watson }
382d8a7b7a3SRobert Watson 
383d8a7b7a3SRobert Watson static int
3841c3f91cdSRobert Watson stub_fragment_match(struct mbuf *fragment, struct label *fragmentlabel,
385d8a7b7a3SRobert Watson     struct ipq *ipq, struct label *ipqlabel)
386d8a7b7a3SRobert Watson {
387d8a7b7a3SRobert Watson 
388d8a7b7a3SRobert Watson 	return (1);
389d8a7b7a3SRobert Watson }
390d8a7b7a3SRobert Watson 
391d8a7b7a3SRobert Watson static void
3921c3f91cdSRobert Watson stub_relabel_ifnet(struct ucred *cred, struct ifnet *ifnet,
393d8a7b7a3SRobert Watson     struct label *ifnetlabel, struct label *newlabel)
394d8a7b7a3SRobert Watson {
395d8a7b7a3SRobert Watson 
396d8a7b7a3SRobert Watson }
397d8a7b7a3SRobert Watson 
398d8a7b7a3SRobert Watson static void
3991c3f91cdSRobert Watson stub_update_ipq(struct mbuf *fragment, struct label *fragmentlabel,
400d8a7b7a3SRobert Watson     struct ipq *ipq, struct label *ipqlabel)
401d8a7b7a3SRobert Watson {
402d8a7b7a3SRobert Watson 
403d8a7b7a3SRobert Watson }
404d8a7b7a3SRobert Watson 
405d8a7b7a3SRobert Watson /*
406d8a7b7a3SRobert Watson  * Labeling event operations: processes.
407d8a7b7a3SRobert Watson  */
408d8a7b7a3SRobert Watson static void
4091c3f91cdSRobert Watson stub_create_cred(struct ucred *cred_parent, struct ucred *cred_child)
410d8a7b7a3SRobert Watson {
411d8a7b7a3SRobert Watson 
412d8a7b7a3SRobert Watson }
413d8a7b7a3SRobert Watson 
414d8a7b7a3SRobert Watson static void
4151c3f91cdSRobert Watson stub_execve_transition(struct ucred *old, struct ucred *new,
416939b97cbSRobert Watson     struct vnode *vp, struct label *vnodelabel,
417ef5def59SRobert Watson     struct label *interpvnodelabel, struct image_params *imgp,
418ef5def59SRobert Watson     struct label *execlabel)
419d8a7b7a3SRobert Watson {
420d8a7b7a3SRobert Watson 
421d8a7b7a3SRobert Watson }
422d8a7b7a3SRobert Watson 
423d8a7b7a3SRobert Watson static int
4241c3f91cdSRobert Watson stub_execve_will_transition(struct ucred *old, struct vnode *vp,
425939b97cbSRobert Watson     struct label *vnodelabel, struct label *interpvnodelabel,
426ef5def59SRobert Watson     struct image_params *imgp, struct label *execlabel)
427d8a7b7a3SRobert Watson {
428d8a7b7a3SRobert Watson 
429d8a7b7a3SRobert Watson 	return (0);
430d8a7b7a3SRobert Watson }
431d8a7b7a3SRobert Watson 
432d8a7b7a3SRobert Watson static void
4331c3f91cdSRobert Watson stub_create_proc0(struct ucred *cred)
434d8a7b7a3SRobert Watson {
435d8a7b7a3SRobert Watson 
436d8a7b7a3SRobert Watson }
437d8a7b7a3SRobert Watson 
438d8a7b7a3SRobert Watson static void
4391c3f91cdSRobert Watson stub_create_proc1(struct ucred *cred)
440d8a7b7a3SRobert Watson {
441d8a7b7a3SRobert Watson 
442d8a7b7a3SRobert Watson }
443d8a7b7a3SRobert Watson 
444d8a7b7a3SRobert Watson static void
4451c3f91cdSRobert Watson stub_relabel_cred(struct ucred *cred, struct label *newlabel)
446d8a7b7a3SRobert Watson {
447d8a7b7a3SRobert Watson 
448d8a7b7a3SRobert Watson }
449d8a7b7a3SRobert Watson 
45009de2dc2SRobert Watson static void
4511c3f91cdSRobert Watson stub_thread_userret(struct thread *td)
45209de2dc2SRobert Watson {
45309de2dc2SRobert Watson 
45409de2dc2SRobert Watson }
45509de2dc2SRobert Watson 
456d8a7b7a3SRobert Watson /*
457d8a7b7a3SRobert Watson  * Access control checks.
458d8a7b7a3SRobert Watson  */
459d8a7b7a3SRobert Watson static int
4601c3f91cdSRobert Watson stub_check_bpfdesc_receive(struct bpf_d *bpf_d, struct label *bpflabel,
461d8a7b7a3SRobert Watson     struct ifnet *ifnet, struct label *ifnet_label)
462d8a7b7a3SRobert Watson {
463d8a7b7a3SRobert Watson 
464d8a7b7a3SRobert Watson         return (0);
465d8a7b7a3SRobert Watson }
466d8a7b7a3SRobert Watson 
467d8a7b7a3SRobert Watson static int
4681c3f91cdSRobert Watson stub_check_cred_relabel(struct ucred *cred, struct label *newlabel)
469d8a7b7a3SRobert Watson {
470d8a7b7a3SRobert Watson 
471d8a7b7a3SRobert Watson 	return (0);
472d8a7b7a3SRobert Watson }
473d8a7b7a3SRobert Watson 
474d8a7b7a3SRobert Watson static int
4751c3f91cdSRobert Watson stub_check_cred_visible(struct ucred *u1, struct ucred *u2)
476d8a7b7a3SRobert Watson {
477d8a7b7a3SRobert Watson 
478d8a7b7a3SRobert Watson 	return (0);
479d8a7b7a3SRobert Watson }
480d8a7b7a3SRobert Watson 
481d8a7b7a3SRobert Watson static int
4821c3f91cdSRobert Watson stub_check_ifnet_relabel(struct ucred *cred, struct ifnet *ifnet,
4831979061bSRobert Watson     struct label *ifnetlabel, struct label *newlabel)
484d8a7b7a3SRobert Watson {
485d8a7b7a3SRobert Watson 
486d8a7b7a3SRobert Watson 	return (0);
487d8a7b7a3SRobert Watson }
488d8a7b7a3SRobert Watson 
489d8a7b7a3SRobert Watson static int
4901c3f91cdSRobert Watson stub_check_ifnet_transmit(struct ifnet *ifnet, struct label *ifnetlabel,
491d8a7b7a3SRobert Watson     struct mbuf *m, struct label *mbuflabel)
492d8a7b7a3SRobert Watson {
493d8a7b7a3SRobert Watson 
494d8a7b7a3SRobert Watson 	return (0);
495d8a7b7a3SRobert Watson }
496d8a7b7a3SRobert Watson 
497d8a7b7a3SRobert Watson static int
4981c3f91cdSRobert Watson stub_check_kenv_dump(struct ucred *cred)
49909de2dc2SRobert Watson {
50009de2dc2SRobert Watson 
50109de2dc2SRobert Watson 	return (0);
50209de2dc2SRobert Watson }
50309de2dc2SRobert Watson 
50409de2dc2SRobert Watson static int
5051c3f91cdSRobert Watson stub_check_kenv_get(struct ucred *cred, char *name)
50609de2dc2SRobert Watson {
50709de2dc2SRobert Watson 
50809de2dc2SRobert Watson 	return (0);
50909de2dc2SRobert Watson }
51009de2dc2SRobert Watson 
51109de2dc2SRobert Watson static int
5121c3f91cdSRobert Watson stub_check_kenv_set(struct ucred *cred, char *name, char *value)
51309de2dc2SRobert Watson {
51409de2dc2SRobert Watson 
51509de2dc2SRobert Watson 	return (0);
51609de2dc2SRobert Watson }
51709de2dc2SRobert Watson 
51809de2dc2SRobert Watson static int
5191c3f91cdSRobert Watson stub_check_kenv_unset(struct ucred *cred, char *name)
52009de2dc2SRobert Watson {
52109de2dc2SRobert Watson 
52209de2dc2SRobert Watson 	return (0);
52309de2dc2SRobert Watson }
52409de2dc2SRobert Watson 
52509de2dc2SRobert Watson static int
5261c3f91cdSRobert Watson stub_check_kld_load(struct ucred *cred, struct vnode *vp,
52709de2dc2SRobert Watson     struct label *vlabel)
52809de2dc2SRobert Watson {
52909de2dc2SRobert Watson 
53009de2dc2SRobert Watson 	return (0);
53109de2dc2SRobert Watson }
53209de2dc2SRobert Watson 
53309de2dc2SRobert Watson static int
5341c3f91cdSRobert Watson stub_check_kld_stat(struct ucred *cred)
53509de2dc2SRobert Watson {
53609de2dc2SRobert Watson 
53709de2dc2SRobert Watson 	return (0);
53809de2dc2SRobert Watson }
53909de2dc2SRobert Watson 
54009de2dc2SRobert Watson static int
5411c3f91cdSRobert Watson stub_check_kld_unload(struct ucred *cred)
54209de2dc2SRobert Watson {
54309de2dc2SRobert Watson 
54409de2dc2SRobert Watson 	return (0);
54509de2dc2SRobert Watson }
54609de2dc2SRobert Watson 
54709de2dc2SRobert Watson static int
5481c3f91cdSRobert Watson stub_check_mount_stat(struct ucred *cred, struct mount *mp,
549d8a7b7a3SRobert Watson     struct label *mntlabel)
550d8a7b7a3SRobert Watson {
551d8a7b7a3SRobert Watson 
552d8a7b7a3SRobert Watson 	return (0);
553d8a7b7a3SRobert Watson }
554d8a7b7a3SRobert Watson 
555d8a7b7a3SRobert Watson static int
5561c3f91cdSRobert Watson stub_check_pipe_ioctl(struct ucred *cred, struct pipe *pipe,
557d8a7b7a3SRobert Watson     struct label *pipelabel, unsigned long cmd, void /* caddr_t */ *data)
558d8a7b7a3SRobert Watson {
559d8a7b7a3SRobert Watson 
560d8a7b7a3SRobert Watson 	return (0);
561d8a7b7a3SRobert Watson }
562d8a7b7a3SRobert Watson 
563d8a7b7a3SRobert Watson static int
5641c3f91cdSRobert Watson stub_check_pipe_poll(struct ucred *cred, struct pipe *pipe,
565c024c3eeSRobert Watson     struct label *pipelabel)
566c024c3eeSRobert Watson {
567c024c3eeSRobert Watson 
568c024c3eeSRobert Watson 	return (0);
569c024c3eeSRobert Watson }
570c024c3eeSRobert Watson 
571c024c3eeSRobert Watson static int
5721c3f91cdSRobert Watson stub_check_pipe_read(struct ucred *cred, struct pipe *pipe,
573c024c3eeSRobert Watson     struct label *pipelabel)
574d8a7b7a3SRobert Watson {
575d8a7b7a3SRobert Watson 
576d8a7b7a3SRobert Watson 	return (0);
577d8a7b7a3SRobert Watson }
578d8a7b7a3SRobert Watson 
579d8a7b7a3SRobert Watson static int
5801c3f91cdSRobert Watson stub_check_pipe_relabel(struct ucred *cred, struct pipe *pipe,
581d8a7b7a3SRobert Watson     struct label *pipelabel, struct label *newlabel)
582d8a7b7a3SRobert Watson {
583d8a7b7a3SRobert Watson 
584d8a7b7a3SRobert Watson 	return (0);
585d8a7b7a3SRobert Watson }
586d8a7b7a3SRobert Watson 
587d8a7b7a3SRobert Watson static int
5881c3f91cdSRobert Watson stub_check_pipe_stat(struct ucred *cred, struct pipe *pipe,
589c024c3eeSRobert Watson     struct label *pipelabel)
590c024c3eeSRobert Watson {
591c024c3eeSRobert Watson 
592c024c3eeSRobert Watson 	return (0);
593c024c3eeSRobert Watson }
594c024c3eeSRobert Watson 
595c024c3eeSRobert Watson static int
5961c3f91cdSRobert Watson stub_check_pipe_write(struct ucred *cred, struct pipe *pipe,
597c024c3eeSRobert Watson     struct label *pipelabel)
598c024c3eeSRobert Watson {
599c024c3eeSRobert Watson 
600c024c3eeSRobert Watson 	return (0);
601c024c3eeSRobert Watson }
602c024c3eeSRobert Watson 
603c024c3eeSRobert Watson static int
6041c3f91cdSRobert Watson stub_check_proc_debug(struct ucred *cred, struct proc *proc)
605d8a7b7a3SRobert Watson {
606d8a7b7a3SRobert Watson 
607d8a7b7a3SRobert Watson 	return (0);
608d8a7b7a3SRobert Watson }
609d8a7b7a3SRobert Watson 
610d8a7b7a3SRobert Watson static int
6111c3f91cdSRobert Watson stub_check_proc_sched(struct ucred *cred, struct proc *proc)
612d8a7b7a3SRobert Watson {
613d8a7b7a3SRobert Watson 
614d8a7b7a3SRobert Watson 	return (0);
615d8a7b7a3SRobert Watson }
616d8a7b7a3SRobert Watson 
617d8a7b7a3SRobert Watson static int
6181c3f91cdSRobert Watson stub_check_proc_signal(struct ucred *cred, struct proc *proc, int signum)
619d8a7b7a3SRobert Watson {
620d8a7b7a3SRobert Watson 
621d8a7b7a3SRobert Watson 	return (0);
622d8a7b7a3SRobert Watson }
623d8a7b7a3SRobert Watson 
624d8a7b7a3SRobert Watson static int
6251c3f91cdSRobert Watson stub_check_socket_bind(struct ucred *cred, struct socket *socket,
626d8a7b7a3SRobert Watson     struct label *socketlabel, struct sockaddr *sockaddr)
627d8a7b7a3SRobert Watson {
628d8a7b7a3SRobert Watson 
629d8a7b7a3SRobert Watson 	return (0);
630d8a7b7a3SRobert Watson }
631d8a7b7a3SRobert Watson 
632d8a7b7a3SRobert Watson static int
6331c3f91cdSRobert Watson stub_check_socket_connect(struct ucred *cred, struct socket *socket,
634d8a7b7a3SRobert Watson     struct label *socketlabel, struct sockaddr *sockaddr)
635d8a7b7a3SRobert Watson {
636d8a7b7a3SRobert Watson 
637d8a7b7a3SRobert Watson 	return (0);
638d8a7b7a3SRobert Watson }
639d8a7b7a3SRobert Watson 
640d8a7b7a3SRobert Watson static int
6411c3f91cdSRobert Watson stub_check_socket_deliver(struct socket *so, struct label *socketlabel,
642fb95b5d3SRobert Watson     struct mbuf *m, struct label *mbuflabel)
643d8a7b7a3SRobert Watson {
644d8a7b7a3SRobert Watson 
645d8a7b7a3SRobert Watson 	return (0);
646d8a7b7a3SRobert Watson }
647d8a7b7a3SRobert Watson 
648d8a7b7a3SRobert Watson static int
6491c3f91cdSRobert Watson stub_check_socket_listen(struct ucred *cred, struct socket *so,
650fb95b5d3SRobert Watson     struct label *socketlabel)
651d8a7b7a3SRobert Watson {
652d8a7b7a3SRobert Watson 
653d8a7b7a3SRobert Watson 	return (0);
654d8a7b7a3SRobert Watson }
655d8a7b7a3SRobert Watson 
656d8a7b7a3SRobert Watson static int
6571c3f91cdSRobert Watson stub_check_socket_relabel(struct ucred *cred, struct socket *socket,
658d8a7b7a3SRobert Watson     struct label *socketlabel, struct label *newlabel)
659d8a7b7a3SRobert Watson {
660d8a7b7a3SRobert Watson 
661d8a7b7a3SRobert Watson 	return (0);
662d8a7b7a3SRobert Watson }
663d8a7b7a3SRobert Watson 
664d8a7b7a3SRobert Watson static int
6651c3f91cdSRobert Watson stub_check_socket_visible(struct ucred *cred, struct socket *socket,
666d8a7b7a3SRobert Watson    struct label *socketlabel)
667d8a7b7a3SRobert Watson {
668d8a7b7a3SRobert Watson 
669d8a7b7a3SRobert Watson 	return (0);
670d8a7b7a3SRobert Watson }
671d8a7b7a3SRobert Watson 
672d8a7b7a3SRobert Watson static int
6731c3f91cdSRobert Watson stub_check_sysarch_ioperm(struct ucred *cred)
67409de2dc2SRobert Watson {
67509de2dc2SRobert Watson 
67609de2dc2SRobert Watson 	return (0);
67709de2dc2SRobert Watson }
67809de2dc2SRobert Watson 
67909de2dc2SRobert Watson static int
6801c3f91cdSRobert Watson stub_check_system_acct(struct ucred *cred, struct vnode *vp,
68109de2dc2SRobert Watson     struct label *vlabel)
68209de2dc2SRobert Watson {
68309de2dc2SRobert Watson 
68409de2dc2SRobert Watson 	return (0);
68509de2dc2SRobert Watson }
68609de2dc2SRobert Watson 
68709de2dc2SRobert Watson static int
6881c3f91cdSRobert Watson stub_check_system_reboot(struct ucred *cred, int how)
689927f6069SRobert Watson {
690927f6069SRobert Watson 
691927f6069SRobert Watson 	return (0);
692927f6069SRobert Watson }
693927f6069SRobert Watson 
694927f6069SRobert Watson static int
6951c3f91cdSRobert Watson stub_check_system_settime(struct ucred *cred)
69609de2dc2SRobert Watson {
69709de2dc2SRobert Watson 
69809de2dc2SRobert Watson 	return (0);
69909de2dc2SRobert Watson }
70009de2dc2SRobert Watson 
70109de2dc2SRobert Watson static int
7021c3f91cdSRobert Watson stub_check_system_swapon(struct ucred *cred, struct vnode *vp,
703927f6069SRobert Watson     struct label *label)
704927f6069SRobert Watson {
705927f6069SRobert Watson 
706927f6069SRobert Watson 	return (0);
707927f6069SRobert Watson }
708927f6069SRobert Watson 
709927f6069SRobert Watson static int
7101c3f91cdSRobert Watson stub_check_system_swapoff(struct ucred *cred, struct vnode *vp,
71109de2dc2SRobert Watson     struct label *label)
71209de2dc2SRobert Watson {
71309de2dc2SRobert Watson 
71409de2dc2SRobert Watson 	return (0);
71509de2dc2SRobert Watson }
71609de2dc2SRobert Watson 
71709de2dc2SRobert Watson static int
7181c3f91cdSRobert Watson stub_check_system_sysctl(struct ucred *cred, int *name, u_int namelen,
719927f6069SRobert Watson     void *old, size_t *oldlenp, int inkernel, void *new, size_t newlen)
720927f6069SRobert Watson {
721927f6069SRobert Watson 
722927f6069SRobert Watson 	return (0);
723927f6069SRobert Watson }
724927f6069SRobert Watson 
725927f6069SRobert Watson static int
7261c3f91cdSRobert Watson stub_check_vnode_access(struct ucred *cred, struct vnode *vp,
727b914de36SRobert Watson     struct label *label, int acc_mode)
728d8a7b7a3SRobert Watson {
729d8a7b7a3SRobert Watson 
730d8a7b7a3SRobert Watson 	return (0);
731d8a7b7a3SRobert Watson }
732d8a7b7a3SRobert Watson 
733d8a7b7a3SRobert Watson static int
7341c3f91cdSRobert Watson stub_check_vnode_chdir(struct ucred *cred, struct vnode *dvp,
735d8a7b7a3SRobert Watson     struct label *dlabel)
736d8a7b7a3SRobert Watson {
737d8a7b7a3SRobert Watson 
738d8a7b7a3SRobert Watson 	return (0);
739d8a7b7a3SRobert Watson }
740d8a7b7a3SRobert Watson 
741d8a7b7a3SRobert Watson static int
7421c3f91cdSRobert Watson stub_check_vnode_chroot(struct ucred *cred, struct vnode *dvp,
743d8a7b7a3SRobert Watson     struct label *dlabel)
744d8a7b7a3SRobert Watson {
745d8a7b7a3SRobert Watson 
746d8a7b7a3SRobert Watson 	return (0);
747d8a7b7a3SRobert Watson }
748d8a7b7a3SRobert Watson 
749d8a7b7a3SRobert Watson static int
7501c3f91cdSRobert Watson stub_check_vnode_create(struct ucred *cred, struct vnode *dvp,
751d8a7b7a3SRobert Watson     struct label *dlabel, struct componentname *cnp, struct vattr *vap)
752d8a7b7a3SRobert Watson {
753d8a7b7a3SRobert Watson 
754d8a7b7a3SRobert Watson 	return (0);
755d8a7b7a3SRobert Watson }
756d8a7b7a3SRobert Watson 
757d8a7b7a3SRobert Watson static int
7581c3f91cdSRobert Watson stub_check_vnode_delete(struct ucred *cred, struct vnode *dvp,
759d8a7b7a3SRobert Watson     struct label *dlabel, struct vnode *vp, struct label *label,
760d8a7b7a3SRobert Watson     struct componentname *cnp)
761d8a7b7a3SRobert Watson {
762d8a7b7a3SRobert Watson 
763d8a7b7a3SRobert Watson 	return (0);
764d8a7b7a3SRobert Watson }
765d8a7b7a3SRobert Watson 
766d8a7b7a3SRobert Watson static int
7671c3f91cdSRobert Watson stub_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp,
768d8a7b7a3SRobert Watson     struct label *label, acl_type_t type)
769d8a7b7a3SRobert Watson {
770d8a7b7a3SRobert Watson 
771d8a7b7a3SRobert Watson 	return (0);
772d8a7b7a3SRobert Watson }
773d8a7b7a3SRobert Watson 
774d8a7b7a3SRobert Watson static int
7751c3f91cdSRobert Watson stub_check_vnode_exec(struct ucred *cred, struct vnode *vp,
776ef5def59SRobert Watson     struct label *label, struct image_params *imgp,
777ef5def59SRobert Watson     struct label *execlabel)
778d8a7b7a3SRobert Watson {
779d8a7b7a3SRobert Watson 
780d8a7b7a3SRobert Watson 	return (0);
781d8a7b7a3SRobert Watson }
782d8a7b7a3SRobert Watson 
783d8a7b7a3SRobert Watson static int
7841c3f91cdSRobert Watson stub_check_vnode_getacl(struct ucred *cred, struct vnode *vp,
785d8a7b7a3SRobert Watson     struct label *label, acl_type_t type)
786d8a7b7a3SRobert Watson {
787d8a7b7a3SRobert Watson 
788d8a7b7a3SRobert Watson 	return (0);
789d8a7b7a3SRobert Watson }
790d8a7b7a3SRobert Watson 
791d8a7b7a3SRobert Watson static int
7921c3f91cdSRobert Watson stub_check_vnode_getextattr(struct ucred *cred, struct vnode *vp,
793d8a7b7a3SRobert Watson     struct label *label, int attrnamespace, const char *name, struct uio *uio)
794d8a7b7a3SRobert Watson {
795d8a7b7a3SRobert Watson 
796d8a7b7a3SRobert Watson 	return (0);
797d8a7b7a3SRobert Watson }
798d8a7b7a3SRobert Watson 
799d8a7b7a3SRobert Watson static int
8001c3f91cdSRobert Watson stub_check_vnode_link(struct ucred *cred, struct vnode *dvp,
801c27b50f5SRobert Watson     struct label *dlabel, struct vnode *vp, struct label *label,
802c27b50f5SRobert Watson     struct componentname *cnp)
803c27b50f5SRobert Watson {
804c27b50f5SRobert Watson 
805c27b50f5SRobert Watson 	return (0);
806c27b50f5SRobert Watson }
807c27b50f5SRobert Watson 
808c27b50f5SRobert Watson static int
8091c3f91cdSRobert Watson stub_check_vnode_lookup(struct ucred *cred, struct vnode *dvp,
810d8a7b7a3SRobert Watson     struct label *dlabel, struct componentname *cnp)
811d8a7b7a3SRobert Watson {
812d8a7b7a3SRobert Watson 
813d8a7b7a3SRobert Watson 	return (0);
814d8a7b7a3SRobert Watson }
815d8a7b7a3SRobert Watson 
816d8a7b7a3SRobert Watson static int
8171c3f91cdSRobert Watson stub_check_vnode_mmap(struct ucred *cred, struct vnode *vp,
818e183f80eSRobert Watson     struct label *label, int prot)
819e183f80eSRobert Watson {
820e183f80eSRobert Watson 
821e183f80eSRobert Watson 	return (0);
822e183f80eSRobert Watson }
823e183f80eSRobert Watson 
824e183f80eSRobert Watson static int
8251c3f91cdSRobert Watson stub_check_vnode_mprotect(struct ucred *cred, struct vnode *vp,
826e183f80eSRobert Watson     struct label *label, int prot)
827e183f80eSRobert Watson {
828e183f80eSRobert Watson 
829e183f80eSRobert Watson 	return (0);
830e183f80eSRobert Watson }
831e183f80eSRobert Watson 
832e183f80eSRobert Watson static int
8331c3f91cdSRobert Watson stub_check_vnode_open(struct ucred *cred, struct vnode *vp,
834b914de36SRobert Watson     struct label *filelabel, int acc_mode)
835d8a7b7a3SRobert Watson {
836d8a7b7a3SRobert Watson 
837d8a7b7a3SRobert Watson 	return (0);
838d8a7b7a3SRobert Watson }
839d8a7b7a3SRobert Watson 
840d8a7b7a3SRobert Watson static int
8411c3f91cdSRobert Watson stub_check_vnode_poll(struct ucred *active_cred, struct ucred *file_cred,
842177142e4SRobert Watson     struct vnode *vp, struct label *label)
8437f724f8bSRobert Watson {
8447f724f8bSRobert Watson 
8457f724f8bSRobert Watson 	return (0);
8467f724f8bSRobert Watson }
8477f724f8bSRobert Watson 
8487f724f8bSRobert Watson static int
8491c3f91cdSRobert Watson stub_check_vnode_read(struct ucred *active_cred, struct ucred *file_cred,
850177142e4SRobert Watson     struct vnode *vp, struct label *label)
8517f724f8bSRobert Watson {
8527f724f8bSRobert Watson 
8537f724f8bSRobert Watson 	return (0);
8547f724f8bSRobert Watson }
8557f724f8bSRobert Watson 
8567f724f8bSRobert Watson static int
8571c3f91cdSRobert Watson stub_check_vnode_readdir(struct ucred *cred, struct vnode *vp,
858d8a7b7a3SRobert Watson     struct label *dlabel)
859d8a7b7a3SRobert Watson {
860d8a7b7a3SRobert Watson 
861d8a7b7a3SRobert Watson 	return (0);
862d8a7b7a3SRobert Watson }
863d8a7b7a3SRobert Watson 
864d8a7b7a3SRobert Watson static int
8651c3f91cdSRobert Watson stub_check_vnode_readlink(struct ucred *cred, struct vnode *vp,
866d8a7b7a3SRobert Watson     struct label *vnodelabel)
867d8a7b7a3SRobert Watson {
868d8a7b7a3SRobert Watson 
869d8a7b7a3SRobert Watson 	return (0);
870d8a7b7a3SRobert Watson }
871d8a7b7a3SRobert Watson 
872d8a7b7a3SRobert Watson static int
8731c3f91cdSRobert Watson stub_check_vnode_relabel(struct ucred *cred, struct vnode *vp,
874d8a7b7a3SRobert Watson     struct label *vnodelabel, struct label *newlabel)
875d8a7b7a3SRobert Watson {
876d8a7b7a3SRobert Watson 
877d8a7b7a3SRobert Watson 	return (0);
878d8a7b7a3SRobert Watson }
879d8a7b7a3SRobert Watson 
880d8a7b7a3SRobert Watson static int
8811c3f91cdSRobert Watson stub_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp,
882d8a7b7a3SRobert Watson     struct label *dlabel, struct vnode *vp, struct label *label,
883d8a7b7a3SRobert Watson     struct componentname *cnp)
884d8a7b7a3SRobert Watson {
885d8a7b7a3SRobert Watson 
886d8a7b7a3SRobert Watson 	return (0);
887d8a7b7a3SRobert Watson }
888d8a7b7a3SRobert Watson 
889d8a7b7a3SRobert Watson static int
8901c3f91cdSRobert Watson stub_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp,
891d8a7b7a3SRobert Watson     struct label *dlabel, struct vnode *vp, struct label *label, int samedir,
892d8a7b7a3SRobert Watson     struct componentname *cnp)
893d8a7b7a3SRobert Watson {
894d8a7b7a3SRobert Watson 
895d8a7b7a3SRobert Watson 	return (0);
896d8a7b7a3SRobert Watson }
897d8a7b7a3SRobert Watson 
898d8a7b7a3SRobert Watson static int
8991c3f91cdSRobert Watson stub_check_vnode_revoke(struct ucred *cred, struct vnode *vp,
900d8a7b7a3SRobert Watson     struct label *label)
901d8a7b7a3SRobert Watson {
902d8a7b7a3SRobert Watson 
903d8a7b7a3SRobert Watson 	return (0);
904d8a7b7a3SRobert Watson }
905d8a7b7a3SRobert Watson 
906d8a7b7a3SRobert Watson static int
9071c3f91cdSRobert Watson stub_check_vnode_setacl(struct ucred *cred, struct vnode *vp,
908d8a7b7a3SRobert Watson     struct label *label, acl_type_t type, struct acl *acl)
909d8a7b7a3SRobert Watson {
910d8a7b7a3SRobert Watson 
911d8a7b7a3SRobert Watson 	return (0);
912d8a7b7a3SRobert Watson }
913d8a7b7a3SRobert Watson 
914d8a7b7a3SRobert Watson static int
9151c3f91cdSRobert Watson stub_check_vnode_setextattr(struct ucred *cred, struct vnode *vp,
916d8a7b7a3SRobert Watson     struct label *label, int attrnamespace, const char *name, struct uio *uio)
917d8a7b7a3SRobert Watson {
918d8a7b7a3SRobert Watson 
919d8a7b7a3SRobert Watson 	return (0);
920d8a7b7a3SRobert Watson }
921d8a7b7a3SRobert Watson 
922d8a7b7a3SRobert Watson static int
9231c3f91cdSRobert Watson stub_check_vnode_setflags(struct ucred *cred, struct vnode *vp,
924d8a7b7a3SRobert Watson     struct label *label, u_long flags)
925d8a7b7a3SRobert Watson {
926d8a7b7a3SRobert Watson 
927d8a7b7a3SRobert Watson 	return (0);
928d8a7b7a3SRobert Watson }
929d8a7b7a3SRobert Watson 
930d8a7b7a3SRobert Watson static int
9311c3f91cdSRobert Watson stub_check_vnode_setmode(struct ucred *cred, struct vnode *vp,
932d8a7b7a3SRobert Watson     struct label *label, mode_t mode)
933d8a7b7a3SRobert Watson {
934d8a7b7a3SRobert Watson 
935d8a7b7a3SRobert Watson 	return (0);
936d8a7b7a3SRobert Watson }
937d8a7b7a3SRobert Watson 
938d8a7b7a3SRobert Watson static int
9391c3f91cdSRobert Watson stub_check_vnode_setowner(struct ucred *cred, struct vnode *vp,
940d8a7b7a3SRobert Watson     struct label *label, uid_t uid, gid_t gid)
941d8a7b7a3SRobert Watson {
942d8a7b7a3SRobert Watson 
943d8a7b7a3SRobert Watson 	return (0);
944d8a7b7a3SRobert Watson }
945d8a7b7a3SRobert Watson 
946d8a7b7a3SRobert Watson static int
9471c3f91cdSRobert Watson stub_check_vnode_setutimes(struct ucred *cred, struct vnode *vp,
948d8a7b7a3SRobert Watson     struct label *label, struct timespec atime, struct timespec mtime)
949d8a7b7a3SRobert Watson {
950d8a7b7a3SRobert Watson 
951d8a7b7a3SRobert Watson 	return (0);
952d8a7b7a3SRobert Watson }
953d8a7b7a3SRobert Watson 
954d8a7b7a3SRobert Watson static int
9551c3f91cdSRobert Watson stub_check_vnode_stat(struct ucred *active_cred, struct ucred *file_cred,
956177142e4SRobert Watson     struct vnode *vp, struct label *label)
957d8a7b7a3SRobert Watson {
958d8a7b7a3SRobert Watson 
959d8a7b7a3SRobert Watson 	return (0);
960d8a7b7a3SRobert Watson }
961d8a7b7a3SRobert Watson 
9627f724f8bSRobert Watson static int
9631c3f91cdSRobert Watson stub_check_vnode_write(struct ucred *active_cred,
964177142e4SRobert Watson     struct ucred *file_cred, struct vnode *vp, struct label *label)
9657f724f8bSRobert Watson {
9667f724f8bSRobert Watson 
9677f724f8bSRobert Watson 	return (0);
9687f724f8bSRobert Watson }
9697f724f8bSRobert Watson 
9701c3f91cdSRobert Watson static struct mac_policy_ops mac_stub_ops =
971d8a7b7a3SRobert Watson {
9721c3f91cdSRobert Watson 	.mpo_destroy = stub_destroy,
9731c3f91cdSRobert Watson 	.mpo_init = stub_init,
9741c3f91cdSRobert Watson 	.mpo_syscall = stub_syscall,
9751c3f91cdSRobert Watson 	.mpo_init_bpfdesc_label = stub_init_label,
9761c3f91cdSRobert Watson 	.mpo_init_cred_label = stub_init_label,
9771c3f91cdSRobert Watson 	.mpo_init_devfsdirent_label = stub_init_label,
9781c3f91cdSRobert Watson 	.mpo_init_ifnet_label = stub_init_label,
9791c3f91cdSRobert Watson 	.mpo_init_ipq_label = stub_init_label_waitcheck,
9801c3f91cdSRobert Watson 	.mpo_init_mbuf_label = stub_init_label_waitcheck,
9811c3f91cdSRobert Watson 	.mpo_init_mount_label = stub_init_label,
9821c3f91cdSRobert Watson 	.mpo_init_mount_fs_label = stub_init_label,
9831c3f91cdSRobert Watson 	.mpo_init_pipe_label = stub_init_label,
9841c3f91cdSRobert Watson 	.mpo_init_socket_label = stub_init_label_waitcheck,
9851c3f91cdSRobert Watson 	.mpo_init_socket_peer_label = stub_init_label_waitcheck,
9861c3f91cdSRobert Watson 	.mpo_init_vnode_label = stub_init_label,
9871c3f91cdSRobert Watson 	.mpo_destroy_bpfdesc_label = stub_destroy_label,
9881c3f91cdSRobert Watson 	.mpo_destroy_cred_label = stub_destroy_label,
9891c3f91cdSRobert Watson 	.mpo_destroy_devfsdirent_label = stub_destroy_label,
9901c3f91cdSRobert Watson 	.mpo_destroy_ifnet_label = stub_destroy_label,
9911c3f91cdSRobert Watson 	.mpo_destroy_ipq_label = stub_destroy_label,
9921c3f91cdSRobert Watson 	.mpo_destroy_mbuf_label = stub_destroy_label,
9931c3f91cdSRobert Watson 	.mpo_destroy_mount_label = stub_destroy_label,
9941c3f91cdSRobert Watson 	.mpo_destroy_mount_fs_label = stub_destroy_label,
9951c3f91cdSRobert Watson 	.mpo_destroy_pipe_label = stub_destroy_label,
9961c3f91cdSRobert Watson 	.mpo_destroy_socket_label = stub_destroy_label,
9971c3f91cdSRobert Watson 	.mpo_destroy_socket_peer_label = stub_destroy_label,
9981c3f91cdSRobert Watson 	.mpo_destroy_vnode_label = stub_destroy_label,
9991c3f91cdSRobert Watson 	.mpo_externalize_cred_label = stub_externalize_label,
10001c3f91cdSRobert Watson 	.mpo_externalize_ifnet_label = stub_externalize_label,
10011c3f91cdSRobert Watson 	.mpo_externalize_pipe_label = stub_externalize_label,
10021c3f91cdSRobert Watson 	.mpo_externalize_socket_label = stub_externalize_label,
10031c3f91cdSRobert Watson 	.mpo_externalize_socket_peer_label = stub_externalize_label,
10041c3f91cdSRobert Watson 	.mpo_externalize_vnode_label = stub_externalize_label,
10051c3f91cdSRobert Watson 	.mpo_internalize_cred_label = stub_internalize_label,
10061c3f91cdSRobert Watson 	.mpo_internalize_ifnet_label = stub_internalize_label,
10071c3f91cdSRobert Watson 	.mpo_internalize_pipe_label = stub_internalize_label,
10081c3f91cdSRobert Watson 	.mpo_internalize_socket_label = stub_internalize_label,
10091c3f91cdSRobert Watson 	.mpo_internalize_vnode_label = stub_internalize_label,
10101c3f91cdSRobert Watson 	.mpo_associate_vnode_devfs = stub_associate_vnode_devfs,
10111c3f91cdSRobert Watson 	.mpo_associate_vnode_extattr = stub_associate_vnode_extattr,
10121c3f91cdSRobert Watson 	.mpo_associate_vnode_singlelabel = stub_associate_vnode_singlelabel,
10131c3f91cdSRobert Watson 	.mpo_create_devfs_device = stub_create_devfs_device,
10141c3f91cdSRobert Watson 	.mpo_create_devfs_directory = stub_create_devfs_directory,
10151c3f91cdSRobert Watson 	.mpo_create_devfs_symlink = stub_create_devfs_symlink,
10161c3f91cdSRobert Watson 	.mpo_create_vnode_extattr = stub_create_vnode_extattr,
10171c3f91cdSRobert Watson 	.mpo_create_mount = stub_create_mount,
10181c3f91cdSRobert Watson 	.mpo_create_root_mount = stub_create_root_mount,
10191c3f91cdSRobert Watson 	.mpo_relabel_vnode = stub_relabel_vnode,
10201c3f91cdSRobert Watson 	.mpo_setlabel_vnode_extattr = stub_setlabel_vnode_extattr,
10211c3f91cdSRobert Watson 	.mpo_update_devfsdirent = stub_update_devfsdirent,
10221c3f91cdSRobert Watson 	.mpo_create_mbuf_from_socket = stub_create_mbuf_from_socket,
10231c3f91cdSRobert Watson 	.mpo_create_pipe = stub_create_pipe,
10241c3f91cdSRobert Watson 	.mpo_create_socket = stub_create_socket,
10251c3f91cdSRobert Watson 	.mpo_create_socket_from_socket = stub_create_socket_from_socket,
10261c3f91cdSRobert Watson 	.mpo_relabel_pipe = stub_relabel_pipe,
10271c3f91cdSRobert Watson 	.mpo_relabel_socket = stub_relabel_socket,
10281c3f91cdSRobert Watson 	.mpo_set_socket_peer_from_mbuf = stub_set_socket_peer_from_mbuf,
10291c3f91cdSRobert Watson 	.mpo_set_socket_peer_from_socket = stub_set_socket_peer_from_socket,
10301c3f91cdSRobert Watson 	.mpo_create_bpfdesc = stub_create_bpfdesc,
10311c3f91cdSRobert Watson 	.mpo_create_ifnet = stub_create_ifnet,
10321c3f91cdSRobert Watson 	.mpo_create_ipq = stub_create_ipq,
10331c3f91cdSRobert Watson 	.mpo_create_datagram_from_ipq = stub_create_datagram_from_ipq,
10341c3f91cdSRobert Watson 	.mpo_create_fragment = stub_create_fragment,
10351c3f91cdSRobert Watson 	.mpo_create_ipq = stub_create_ipq,
10361c3f91cdSRobert Watson 	.mpo_create_mbuf_from_mbuf = stub_create_mbuf_from_mbuf,
10371c3f91cdSRobert Watson 	.mpo_create_mbuf_linklayer = stub_create_mbuf_linklayer,
10381c3f91cdSRobert Watson 	.mpo_create_mbuf_from_bpfdesc = stub_create_mbuf_from_bpfdesc,
10391c3f91cdSRobert Watson 	.mpo_create_mbuf_from_ifnet = stub_create_mbuf_from_ifnet,
10401c3f91cdSRobert Watson 	.mpo_create_mbuf_multicast_encap = stub_create_mbuf_multicast_encap,
10411c3f91cdSRobert Watson 	.mpo_create_mbuf_netlayer = stub_create_mbuf_netlayer,
10421c3f91cdSRobert Watson 	.mpo_fragment_match = stub_fragment_match,
10431c3f91cdSRobert Watson 	.mpo_relabel_ifnet = stub_relabel_ifnet,
10441c3f91cdSRobert Watson 	.mpo_update_ipq = stub_update_ipq,
10451c3f91cdSRobert Watson 	.mpo_create_cred = stub_create_cred,
10461c3f91cdSRobert Watson 	.mpo_execve_transition = stub_execve_transition,
10471c3f91cdSRobert Watson 	.mpo_execve_will_transition = stub_execve_will_transition,
10481c3f91cdSRobert Watson 	.mpo_create_proc0 = stub_create_proc0,
10491c3f91cdSRobert Watson 	.mpo_create_proc1 = stub_create_proc1,
10501c3f91cdSRobert Watson 	.mpo_relabel_cred = stub_relabel_cred,
10511c3f91cdSRobert Watson 	.mpo_thread_userret = stub_thread_userret,
10521c3f91cdSRobert Watson 	.mpo_check_bpfdesc_receive = stub_check_bpfdesc_receive,
10531c3f91cdSRobert Watson 	.mpo_check_cred_relabel = stub_check_cred_relabel,
10541c3f91cdSRobert Watson 	.mpo_check_cred_visible = stub_check_cred_visible,
10551c3f91cdSRobert Watson 	.mpo_check_ifnet_relabel = stub_check_ifnet_relabel,
10561c3f91cdSRobert Watson 	.mpo_check_ifnet_transmit = stub_check_ifnet_transmit,
10571c3f91cdSRobert Watson 	.mpo_check_kenv_dump = stub_check_kenv_dump,
10581c3f91cdSRobert Watson 	.mpo_check_kenv_get = stub_check_kenv_get,
10591c3f91cdSRobert Watson 	.mpo_check_kenv_set = stub_check_kenv_set,
10601c3f91cdSRobert Watson 	.mpo_check_kenv_unset = stub_check_kenv_unset,
10611c3f91cdSRobert Watson 	.mpo_check_kld_load = stub_check_kld_load,
10621c3f91cdSRobert Watson 	.mpo_check_kld_stat = stub_check_kld_stat,
10631c3f91cdSRobert Watson 	.mpo_check_kld_unload = stub_check_kld_unload,
10641c3f91cdSRobert Watson 	.mpo_check_mount_stat = stub_check_mount_stat,
10651c3f91cdSRobert Watson 	.mpo_check_pipe_ioctl = stub_check_pipe_ioctl,
10661c3f91cdSRobert Watson 	.mpo_check_pipe_poll = stub_check_pipe_poll,
10671c3f91cdSRobert Watson 	.mpo_check_pipe_read = stub_check_pipe_read,
10681c3f91cdSRobert Watson 	.mpo_check_pipe_relabel = stub_check_pipe_relabel,
10691c3f91cdSRobert Watson 	.mpo_check_pipe_stat = stub_check_pipe_stat,
10701c3f91cdSRobert Watson 	.mpo_check_pipe_write = stub_check_pipe_write,
10711c3f91cdSRobert Watson 	.mpo_check_proc_debug = stub_check_proc_debug,
10721c3f91cdSRobert Watson 	.mpo_check_proc_sched = stub_check_proc_sched,
10731c3f91cdSRobert Watson 	.mpo_check_proc_signal = stub_check_proc_signal,
10741c3f91cdSRobert Watson 	.mpo_check_socket_bind = stub_check_socket_bind,
10751c3f91cdSRobert Watson 	.mpo_check_socket_connect = stub_check_socket_connect,
10761c3f91cdSRobert Watson 	.mpo_check_socket_deliver = stub_check_socket_deliver,
10771c3f91cdSRobert Watson 	.mpo_check_socket_listen = stub_check_socket_listen,
10781c3f91cdSRobert Watson 	.mpo_check_socket_relabel = stub_check_socket_relabel,
10791c3f91cdSRobert Watson 	.mpo_check_socket_visible = stub_check_socket_visible,
10801c3f91cdSRobert Watson 	.mpo_check_sysarch_ioperm = stub_check_sysarch_ioperm,
10811c3f91cdSRobert Watson 	.mpo_check_system_acct = stub_check_system_acct,
10821c3f91cdSRobert Watson 	.mpo_check_system_reboot = stub_check_system_reboot,
10831c3f91cdSRobert Watson 	.mpo_check_system_settime = stub_check_system_settime,
10841c3f91cdSRobert Watson 	.mpo_check_system_swapon = stub_check_system_swapon,
10851c3f91cdSRobert Watson 	.mpo_check_system_swapoff = stub_check_system_swapoff,
10861c3f91cdSRobert Watson 	.mpo_check_system_sysctl = stub_check_system_sysctl,
10871c3f91cdSRobert Watson 	.mpo_check_vnode_access = stub_check_vnode_access,
10881c3f91cdSRobert Watson 	.mpo_check_vnode_chdir = stub_check_vnode_chdir,
10891c3f91cdSRobert Watson 	.mpo_check_vnode_chroot = stub_check_vnode_chroot,
10901c3f91cdSRobert Watson 	.mpo_check_vnode_create = stub_check_vnode_create,
10911c3f91cdSRobert Watson 	.mpo_check_vnode_delete = stub_check_vnode_delete,
10921c3f91cdSRobert Watson 	.mpo_check_vnode_deleteacl = stub_check_vnode_deleteacl,
10931c3f91cdSRobert Watson 	.mpo_check_vnode_exec = stub_check_vnode_exec,
10941c3f91cdSRobert Watson 	.mpo_check_vnode_getacl = stub_check_vnode_getacl,
10951c3f91cdSRobert Watson 	.mpo_check_vnode_getextattr = stub_check_vnode_getextattr,
10961c3f91cdSRobert Watson 	.mpo_check_vnode_link = stub_check_vnode_link,
10971c3f91cdSRobert Watson 	.mpo_check_vnode_lookup = stub_check_vnode_lookup,
10981c3f91cdSRobert Watson 	.mpo_check_vnode_mmap = stub_check_vnode_mmap,
10991c3f91cdSRobert Watson 	.mpo_check_vnode_mprotect = stub_check_vnode_mprotect,
11001c3f91cdSRobert Watson 	.mpo_check_vnode_open = stub_check_vnode_open,
11011c3f91cdSRobert Watson 	.mpo_check_vnode_poll = stub_check_vnode_poll,
11021c3f91cdSRobert Watson 	.mpo_check_vnode_read = stub_check_vnode_read,
11031c3f91cdSRobert Watson 	.mpo_check_vnode_readdir = stub_check_vnode_readdir,
11041c3f91cdSRobert Watson 	.mpo_check_vnode_readlink = stub_check_vnode_readlink,
11051c3f91cdSRobert Watson 	.mpo_check_vnode_relabel = stub_check_vnode_relabel,
11061c3f91cdSRobert Watson 	.mpo_check_vnode_rename_from = stub_check_vnode_rename_from,
11071c3f91cdSRobert Watson 	.mpo_check_vnode_rename_to = stub_check_vnode_rename_to,
11081c3f91cdSRobert Watson 	.mpo_check_vnode_revoke = stub_check_vnode_revoke,
11091c3f91cdSRobert Watson 	.mpo_check_vnode_setacl = stub_check_vnode_setacl,
11101c3f91cdSRobert Watson 	.mpo_check_vnode_setextattr = stub_check_vnode_setextattr,
11111c3f91cdSRobert Watson 	.mpo_check_vnode_setflags = stub_check_vnode_setflags,
11121c3f91cdSRobert Watson 	.mpo_check_vnode_setmode = stub_check_vnode_setmode,
11131c3f91cdSRobert Watson 	.mpo_check_vnode_setowner = stub_check_vnode_setowner,
11141c3f91cdSRobert Watson 	.mpo_check_vnode_setutimes = stub_check_vnode_setutimes,
11151c3f91cdSRobert Watson 	.mpo_check_vnode_stat = stub_check_vnode_stat,
11161c3f91cdSRobert Watson 	.mpo_check_vnode_write = stub_check_vnode_write,
1117d8a7b7a3SRobert Watson };
1118d8a7b7a3SRobert Watson 
11191c3f91cdSRobert Watson MAC_POLICY_SET(&mac_stub_ops, mac_stub, "TrustedBSD MAC/Stub",
1120740348c4SRobert Watson     MPC_LOADTIME_FLAG_UNLOADOK, NULL);
1121