1 /*-
2 * Copyright (c) 1999-2002, 2007-2011 Robert N. M. Watson
3 * Copyright (c) 2001-2005 Networks Associates Technology, Inc.
4 * Copyright (c) 2005-2006 SPARTA, Inc.
5 * Copyright (c) 2008 Apple Inc.
6 * All rights reserved.
7 *
8 * This software was developed by Robert Watson for the TrustedBSD Project.
9 *
10 * This software was developed for the FreeBSD Project in part by Network
11 * Associates Laboratories, the Security Research Division of Network
12 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
13 * as part of the DARPA CHATS research program.
14 *
15 * This software was enhanced by SPARTA ISSO under SPAWAR contract
16 * N66001-04-C-6019 ("SEFOS").
17 *
18 * This software was developed at the University of Cambridge Computer
19 * Laboratory with support from a grant from Google, Inc.
20 *
21 * Redistribution and use in source and binary forms, with or without
22 * modification, are permitted provided that the following conditions
23 * are met:
24 * 1. Redistributions of source code must retain the above copyright
25 * notice, this list of conditions and the following disclaimer.
26 * 2. Redistributions in binary form must reproduce the above copyright
27 * notice, this list of conditions and the following disclaimer in the
28 * documentation and/or other materials provided with the distribution.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 * SUCH DAMAGE.
41 *
42 * $FreeBSD: releng/11.0/sys/security/mac/mac_policy.h 263152 2014-03-14 06:29:43Z glebius $
43 */
44 /*
45 * Kernel interface for MAC policy modules.
46 */
47 #ifndef _SECURITY_MAC_MAC_POLICY_H_
48 #define _SECURITY_MAC_MAC_POLICY_H_
49
50 #ifndef _KERNEL
51 #error "no user-serviceable parts inside"
52 #endif
53
54 /*-
55 * Pluggable access control policy definition structure.
56 *
57 * List of operations that are performed as part of the implementation of a
58 * MAC policy. Policy implementors declare operations with a mac_policy_ops
59 * structure, and using the MAC_POLICY_SET() macro. If an entry point is not
60 * declared, then then the policy will be ignored during evaluation of that
61 * event or check.
62 *
63 * Operations are sorted first by general class of operation, then
64 * alphabetically.
65 */
66 #include <sys/acl.h> /* XXX acl_type_t */
67 #include <sys/types.h> /* XXX accmode_t */
68
69 struct acl;
70 struct auditinfo;
71 struct auditinfo_addr;
72 struct bpf_d;
73 struct cdev;
74 struct componentname;
75 struct devfs_dirent;
76 struct ifnet;
77 struct image_params;
78 struct inpcb;
79 struct ip6q;
80 struct ipq;
81 struct ksem;
82 struct label;
83 struct mac_policy_conf;
84 struct mbuf;
85 struct mount;
86 struct msg;
87 struct msqid_kernel;
88 struct pipepair;
89 struct proc;
90 struct sbuf;
91 struct semid_kernel;
92 struct shmfd;
93 struct shmid_kernel;
94 struct sockaddr;
95 struct socket;
96 struct sysctl_oid;
97 struct sysctl_req;
98 struct thread;
99 struct ucred;
100 struct vattr;
101 struct vnode;
102
103 /*
104 * Policy module operations.
105 */
106 typedef void (*mpo_destroy_t)(struct mac_policy_conf *mpc);
107 typedef void (*mpo_init_t)(struct mac_policy_conf *mpc);
108
109 /*
110 * General policy-directed security system call so that policies may
111 * implement new services without reserving explicit system call numbers.
112 */
113 typedef int (*mpo_syscall_t)(struct thread *td, int call, void *arg);
114
115 /*
116 * Place-holder function pointers for ABI-compatibility purposes.
117 */
118 typedef void (*mpo_placeholder_t)(void);
119
120 /*
121 * Operations sorted alphabetically by primary object type and then method.
122 */
123 typedef int (*mpo_bpfdesc_check_receive_t)(struct bpf_d *d,
124 struct label *dlabel, struct ifnet *ifp,
125 struct label *ifplabel);
126 typedef void (*mpo_bpfdesc_create_t)(struct ucred *cred,
127 struct bpf_d *d, struct label *dlabel);
128 typedef void (*mpo_bpfdesc_create_mbuf_t)(struct bpf_d *d,
129 struct label *dlabel, struct mbuf *m,
130 struct label *mlabel);
131 typedef void (*mpo_bpfdesc_destroy_label_t)(struct label *label);
132 typedef void (*mpo_bpfdesc_init_label_t)(struct label *label);
133
134 typedef void (*mpo_cred_associate_nfsd_t)(struct ucred *cred);
135 typedef int (*mpo_cred_check_relabel_t)(struct ucred *cred,
136 struct label *newlabel);
137 typedef int (*mpo_cred_check_setaudit_t)(struct ucred *cred,
138 struct auditinfo *ai);
139 typedef int (*mpo_cred_check_setaudit_addr_t)(struct ucred *cred,
140 struct auditinfo_addr *aia);
141 typedef int (*mpo_cred_check_setauid_t)(struct ucred *cred, uid_t auid);
142 typedef int (*mpo_cred_check_setegid_t)(struct ucred *cred, gid_t egid);
143 typedef int (*mpo_cred_check_seteuid_t)(struct ucred *cred, uid_t euid);
144 typedef int (*mpo_cred_check_setgid_t)(struct ucred *cred, gid_t gid);
145 typedef int (*mpo_cred_check_setgroups_t)(struct ucred *cred, int ngroups,
146 gid_t *gidset);
147 typedef int (*mpo_cred_check_setregid_t)(struct ucred *cred, gid_t rgid,
148 gid_t egid);
149 typedef int (*mpo_cred_check_setresgid_t)(struct ucred *cred, gid_t rgid,
150 gid_t egid, gid_t sgid);
151 typedef int (*mpo_cred_check_setresuid_t)(struct ucred *cred, uid_t ruid,
152 uid_t euid, uid_t suid);
153 typedef int (*mpo_cred_check_setreuid_t)(struct ucred *cred, uid_t ruid,
154 uid_t euid);
155 typedef int (*mpo_cred_check_setuid_t)(struct ucred *cred, uid_t uid);
156 typedef int (*mpo_cred_check_visible_t)(struct ucred *cr1,
157 struct ucred *cr2);
158 typedef void (*mpo_cred_copy_label_t)(struct label *src,
159 struct label *dest);
160 typedef void (*mpo_cred_create_init_t)(struct ucred *cred);
161 typedef void (*mpo_cred_create_swapper_t)(struct ucred *cred);
162 typedef void (*mpo_cred_destroy_label_t)(struct label *label);
163 typedef int (*mpo_cred_externalize_label_t)(struct label *label,
164 char *element_name, struct sbuf *sb, int *claimed);
165 typedef void (*mpo_cred_init_label_t)(struct label *label);
166 typedef int (*mpo_cred_internalize_label_t)(struct label *label,
167 char *element_name, char *element_data, int *claimed);
168 typedef void (*mpo_cred_relabel_t)(struct ucred *cred,
169 struct label *newlabel);
170
171 typedef void (*mpo_devfs_create_device_t)(struct ucred *cred,
172 struct mount *mp, struct cdev *dev,
173 struct devfs_dirent *de, struct label *delabel);
174 typedef void (*mpo_devfs_create_directory_t)(struct mount *mp,
175 char *dirname, int dirnamelen, struct devfs_dirent *de,
176 struct label *delabel);
177 typedef void (*mpo_devfs_create_symlink_t)(struct ucred *cred,
178 struct mount *mp, struct devfs_dirent *dd,
179 struct label *ddlabel, struct devfs_dirent *de,
180 struct label *delabel);
181 typedef void (*mpo_devfs_destroy_label_t)(struct label *label);
182 typedef void (*mpo_devfs_init_label_t)(struct label *label);
183 typedef void (*mpo_devfs_update_t)(struct mount *mp,
184 struct devfs_dirent *de, struct label *delabel,
185 struct vnode *vp, struct label *vplabel);
186 typedef void (*mpo_devfs_vnode_associate_t)(struct mount *mp,
187 struct label *mplabel, struct devfs_dirent *de,
188 struct label *delabel, struct vnode *vp,
189 struct label *vplabel);
190
191 typedef int (*mpo_ifnet_check_relabel_t)(struct ucred *cred,
192 struct ifnet *ifp, struct label *ifplabel,
193 struct label *newlabel);
194 typedef int (*mpo_ifnet_check_transmit_t)(struct ifnet *ifp,
195 struct label *ifplabel, struct mbuf *m,
196 struct label *mlabel);
197 typedef void (*mpo_ifnet_copy_label_t)(struct label *src,
198 struct label *dest);
199 typedef void (*mpo_ifnet_create_t)(struct ifnet *ifp,
200 struct label *ifplabel);
201 typedef void (*mpo_ifnet_create_mbuf_t)(struct ifnet *ifp,
202 struct label *ifplabel, struct mbuf *m,
203 struct label *mlabel);
204 typedef void (*mpo_ifnet_destroy_label_t)(struct label *label);
205 typedef int (*mpo_ifnet_externalize_label_t)(struct label *label,
206 char *element_name, struct sbuf *sb, int *claimed);
207 typedef void (*mpo_ifnet_init_label_t)(struct label *label);
208 typedef int (*mpo_ifnet_internalize_label_t)(struct label *label,
209 char *element_name, char *element_data, int *claimed);
210 typedef void (*mpo_ifnet_relabel_t)(struct ucred *cred, struct ifnet *ifp,
211 struct label *ifplabel, struct label *newlabel);
212
213 typedef int (*mpo_inpcb_check_deliver_t)(struct inpcb *inp,
214 struct label *inplabel, struct mbuf *m,
215 struct label *mlabel);
216 typedef int (*mpo_inpcb_check_visible_t)(struct ucred *cred,
217 struct inpcb *inp, struct label *inplabel);
218 typedef void (*mpo_inpcb_create_t)(struct socket *so,
219 struct label *solabel, struct inpcb *inp,
220 struct label *inplabel);
221 typedef void (*mpo_inpcb_create_mbuf_t)(struct inpcb *inp,
222 struct label *inplabel, struct mbuf *m,
223 struct label *mlabel);
224 typedef void (*mpo_inpcb_destroy_label_t)(struct label *label);
225 typedef int (*mpo_inpcb_init_label_t)(struct label *label, int flag);
226 typedef void (*mpo_inpcb_sosetlabel_t)(struct socket *so,
227 struct label *label, struct inpcb *inp,
228 struct label *inplabel);
229
230 typedef void (*mpo_ip6q_create_t)(struct mbuf *m, struct label *mlabel,
231 struct ip6q *q6, struct label *q6label);
232 typedef void (*mpo_ip6q_destroy_label_t)(struct label *label);
233 typedef int (*mpo_ip6q_init_label_t)(struct label *label, int flag);
234 typedef int (*mpo_ip6q_match_t)(struct mbuf *m, struct label *mlabel,
235 struct ip6q *q6, struct label *q6label);
236 typedef void (*mpo_ip6q_reassemble)(struct ip6q *q6, struct label *q6label,
237 struct mbuf *m, struct label *mlabel);
238 typedef void (*mpo_ip6q_update_t)(struct mbuf *m, struct label *mlabel,
239 struct ip6q *q6, struct label *q6label);
240
241 typedef void (*mpo_ipq_create_t)(struct mbuf *m, struct label *mlabel,
242 struct ipq *q, struct label *qlabel);
243 typedef void (*mpo_ipq_destroy_label_t)(struct label *label);
244 typedef int (*mpo_ipq_init_label_t)(struct label *label, int flag);
245 typedef int (*mpo_ipq_match_t)(struct mbuf *m, struct label *mlabel,
246 struct ipq *q, struct label *qlabel);
247 typedef void (*mpo_ipq_reassemble)(struct ipq *q, struct label *qlabel,
248 struct mbuf *m, struct label *mlabel);
249 typedef void (*mpo_ipq_update_t)(struct mbuf *m, struct label *mlabel,
250 struct ipq *q, struct label *qlabel);
251
252 typedef int (*mpo_kenv_check_dump_t)(struct ucred *cred);
253 typedef int (*mpo_kenv_check_get_t)(struct ucred *cred, char *name);
254 typedef int (*mpo_kenv_check_set_t)(struct ucred *cred, char *name,
255 char *value);
256 typedef int (*mpo_kenv_check_unset_t)(struct ucred *cred, char *name);
257
258 typedef int (*mpo_kld_check_load_t)(struct ucred *cred, struct vnode *vp,
259 struct label *vplabel);
260 typedef int (*mpo_kld_check_stat_t)(struct ucred *cred);
261
262 typedef void (*mpo_mbuf_copy_label_t)(struct label *src,
263 struct label *dest);
264 typedef void (*mpo_mbuf_destroy_label_t)(struct label *label);
265 typedef int (*mpo_mbuf_init_label_t)(struct label *label, int flag);
266
267 typedef int (*mpo_mount_check_stat_t)(struct ucred *cred,
268 struct mount *mp, struct label *mplabel);
269 typedef void (*mpo_mount_create_t)(struct ucred *cred, struct mount *mp,
270 struct label *mplabel);
271 typedef void (*mpo_mount_destroy_label_t)(struct label *label);
272 typedef void (*mpo_mount_init_label_t)(struct label *label);
273
274 typedef void (*mpo_netinet_arp_send_t)(struct ifnet *ifp,
275 struct label *ifplabel, struct mbuf *m,
276 struct label *mlabel);
277 typedef void (*mpo_netinet_firewall_reply_t)(struct mbuf *mrecv,
278 struct label *mrecvlabel, struct mbuf *msend,
279 struct label *msendlabel);
280 typedef void (*mpo_netinet_firewall_send_t)(struct mbuf *m,
281 struct label *mlabel);
282 typedef void (*mpo_netinet_fragment_t)(struct mbuf *m,
283 struct label *mlabel, struct mbuf *frag,
284 struct label *fraglabel);
285 typedef void (*mpo_netinet_icmp_reply_t)(struct mbuf *mrecv,
286 struct label *mrecvlabel, struct mbuf *msend,
287 struct label *msendlabel);
288 typedef void (*mpo_netinet_icmp_replyinplace_t)(struct mbuf *m,
289 struct label *mlabel);
290 typedef void (*mpo_netinet_igmp_send_t)(struct ifnet *ifp,
291 struct label *ifplabel, struct mbuf *m,
292 struct label *mlabel);
293 typedef void (*mpo_netinet_tcp_reply_t)(struct mbuf *m,
294 struct label *mlabel);
295
296 typedef void (*mpo_netinet6_nd6_send_t)(struct ifnet *ifp,
297 struct label *ifplabel, struct mbuf *m,
298 struct label *mlabel);
299
300 typedef int (*mpo_pipe_check_ioctl_t)(struct ucred *cred,
301 struct pipepair *pp, struct label *pplabel,
302 unsigned long cmd, void *data);
303 typedef int (*mpo_pipe_check_poll_t)(struct ucred *cred,
304 struct pipepair *pp, struct label *pplabel);
305 typedef int (*mpo_pipe_check_read_t)(struct ucred *cred,
306 struct pipepair *pp, struct label *pplabel);
307 typedef int (*mpo_pipe_check_relabel_t)(struct ucred *cred,
308 struct pipepair *pp, struct label *pplabel,
309 struct label *newlabel);
310 typedef int (*mpo_pipe_check_stat_t)(struct ucred *cred,
311 struct pipepair *pp, struct label *pplabel);
312 typedef int (*mpo_pipe_check_write_t)(struct ucred *cred,
313 struct pipepair *pp, struct label *pplabel);
314 typedef void (*mpo_pipe_copy_label_t)(struct label *src,
315 struct label *dest);
316 typedef void (*mpo_pipe_create_t)(struct ucred *cred, struct pipepair *pp,
317 struct label *pplabel);
318 typedef void (*mpo_pipe_destroy_label_t)(struct label *label);
319 typedef int (*mpo_pipe_externalize_label_t)(struct label *label,
320 char *element_name, struct sbuf *sb, int *claimed);
321 typedef void (*mpo_pipe_init_label_t)(struct label *label);
322 typedef int (*mpo_pipe_internalize_label_t)(struct label *label,
323 char *element_name, char *element_data, int *claimed);
324 typedef void (*mpo_pipe_relabel_t)(struct ucred *cred, struct pipepair *pp,
325 struct label *oldlabel, struct label *newlabel);
326
327 typedef int (*mpo_posixsem_check_getvalue_t)(struct ucred *active_cred,
328 struct ucred *file_cred, struct ksem *ks,
329 struct label *kslabel);
330 typedef int (*mpo_posixsem_check_open_t)(struct ucred *cred,
331 struct ksem *ks, struct label *kslabel);
332 typedef int (*mpo_posixsem_check_post_t)(struct ucred *active_cred,
333 struct ucred *file_cred, struct ksem *ks,
334 struct label *kslabel);
335 typedef int (*mpo_posixsem_check_setmode_t)(struct ucred *cred,
336 struct ksem *ks, struct label *shmlabel,
337 mode_t mode);
338 typedef int (*mpo_posixsem_check_setowner_t)(struct ucred *cred,
339 struct ksem *ks, struct label *shmlabel,
340 uid_t uid, gid_t gid);
341 typedef int (*mpo_posixsem_check_stat_t)(struct ucred *active_cred,
342 struct ucred *file_cred, struct ksem *ks,
343 struct label *kslabel);
344 typedef int (*mpo_posixsem_check_unlink_t)(struct ucred *cred,
345 struct ksem *ks, struct label *kslabel);
346 typedef int (*mpo_posixsem_check_wait_t)(struct ucred *active_cred,
347 struct ucred *file_cred, struct ksem *ks,
348 struct label *kslabel);
349 typedef void (*mpo_posixsem_create_t)(struct ucred *cred,
350 struct ksem *ks, struct label *kslabel);
351 typedef void (*mpo_posixsem_destroy_label_t)(struct label *label);
352 typedef void (*mpo_posixsem_init_label_t)(struct label *label);
353
354 typedef int (*mpo_posixshm_check_create_t)(struct ucred *cred,
355 const char *path);
356 typedef int (*mpo_posixshm_check_mmap_t)(struct ucred *cred,
357 struct shmfd *shmfd, struct label *shmlabel, int prot,
358 int flags);
359 typedef int (*mpo_posixshm_check_open_t)(struct ucred *cred,
360 struct shmfd *shmfd, struct label *shmlabel,
361 accmode_t accmode);
362 typedef int (*mpo_posixshm_check_read_t)(struct ucred *active_cred,
363 struct ucred *file_cred, struct shmfd *shmfd,
364 struct label *shmlabel);
365 typedef int (*mpo_posixshm_check_setmode_t)(struct ucred *cred,
366 struct shmfd *shmfd, struct label *shmlabel,
367 mode_t mode);
368 typedef int (*mpo_posixshm_check_setowner_t)(struct ucred *cred,
369 struct shmfd *shmfd, struct label *shmlabel,
370 uid_t uid, gid_t gid);
371 typedef int (*mpo_posixshm_check_stat_t)(struct ucred *active_cred,
372 struct ucred *file_cred, struct shmfd *shmfd,
373 struct label *shmlabel);
374 typedef int (*mpo_posixshm_check_truncate_t)(struct ucred *active_cred,
375 struct ucred *file_cred, struct shmfd *shmfd,
376 struct label *shmlabel);
377 typedef int (*mpo_posixshm_check_unlink_t)(struct ucred *cred,
378 struct shmfd *shmfd, struct label *shmlabel);
379 typedef int (*mpo_posixshm_check_write_t)(struct ucred *active_cred,
380 struct ucred *file_cred, struct shmfd *shmfd,
381 struct label *shmlabel);
382 typedef void (*mpo_posixshm_create_t)(struct ucred *cred,
383 struct shmfd *shmfd, struct label *shmlabel);
384 typedef void (*mpo_posixshm_destroy_label_t)(struct label *label);
385 typedef void (*mpo_posixshm_init_label_t)(struct label *label);
386
387 typedef int (*mpo_priv_check_t)(struct ucred *cred, int priv);
388 typedef int (*mpo_priv_grant_t)(struct ucred *cred, int priv);
389
390 typedef int (*mpo_proc_check_debug_t)(struct ucred *cred,
391 struct proc *p);
392 typedef int (*mpo_proc_check_sched_t)(struct ucred *cred,
393 struct proc *p);
394 typedef int (*mpo_proc_check_signal_t)(struct ucred *cred,
395 struct proc *proc, int signum);
396 typedef int (*mpo_proc_check_wait_t)(struct ucred *cred,
397 struct proc *proc);
398 typedef void (*mpo_proc_destroy_label_t)(struct label *label);
399 typedef void (*mpo_proc_init_label_t)(struct label *label);
400
401 typedef int (*mpo_socket_check_accept_t)(struct ucred *cred,
402 struct socket *so, struct label *solabel);
403 typedef int (*mpo_socket_check_bind_t)(struct ucred *cred,
404 struct socket *so, struct label *solabel,
405 struct sockaddr *sa);
406 typedef int (*mpo_socket_check_connect_t)(struct ucred *cred,
407 struct socket *so, struct label *solabel,
408 struct sockaddr *sa);
409 typedef int (*mpo_socket_check_create_t)(struct ucred *cred, int domain,
410 int type, int protocol);
411 typedef int (*mpo_socket_check_deliver_t)(struct socket *so,
412 struct label *solabel, struct mbuf *m,
413 struct label *mlabel);
414 typedef int (*mpo_socket_check_listen_t)(struct ucred *cred,
415 struct socket *so, struct label *solabel);
416 typedef int (*mpo_socket_check_poll_t)(struct ucred *cred,
417 struct socket *so, struct label *solabel);
418 typedef int (*mpo_socket_check_receive_t)(struct ucred *cred,
419 struct socket *so, struct label *solabel);
420 typedef int (*mpo_socket_check_relabel_t)(struct ucred *cred,
421 struct socket *so, struct label *solabel,
422 struct label *newlabel);
423 typedef int (*mpo_socket_check_send_t)(struct ucred *cred,
424 struct socket *so, struct label *solabel);
425 typedef int (*mpo_socket_check_stat_t)(struct ucred *cred,
426 struct socket *so, struct label *solabel);
427 typedef int (*mpo_socket_check_visible_t)(struct ucred *cred,
428 struct socket *so, struct label *solabel);
429 typedef void (*mpo_socket_copy_label_t)(struct label *src,
430 struct label *dest);
431 typedef void (*mpo_socket_create_t)(struct ucred *cred, struct socket *so,
432 struct label *solabel);
433 typedef void (*mpo_socket_create_mbuf_t)(struct socket *so,
434 struct label *solabel, struct mbuf *m,
435 struct label *mlabel);
436 typedef void (*mpo_socket_destroy_label_t)(struct label *label);
437 typedef int (*mpo_socket_externalize_label_t)(struct label *label,
438 char *element_name, struct sbuf *sb, int *claimed);
439 typedef int (*mpo_socket_init_label_t)(struct label *label, int flag);
440 typedef int (*mpo_socket_internalize_label_t)(struct label *label,
441 char *element_name, char *element_data, int *claimed);
442 typedef void (*mpo_socket_newconn_t)(struct socket *oldso,
443 struct label *oldsolabel, struct socket *newso,
444 struct label *newsolabel);
445 typedef void (*mpo_socket_relabel_t)(struct ucred *cred, struct socket *so,
446 struct label *oldlabel, struct label *newlabel);
447
448 typedef void (*mpo_socketpeer_destroy_label_t)(struct label *label);
449 typedef int (*mpo_socketpeer_externalize_label_t)(struct label *label,
450 char *element_name, struct sbuf *sb, int *claimed);
451 typedef int (*mpo_socketpeer_init_label_t)(struct label *label,
452 int flag);
453 typedef void (*mpo_socketpeer_set_from_mbuf_t)(struct mbuf *m,
454 struct label *mlabel, struct socket *so,
455 struct label *sopeerlabel);
456 typedef void (*mpo_socketpeer_set_from_socket_t)(struct socket *oldso,
457 struct label *oldsolabel, struct socket *newso,
458 struct label *newsopeerlabel);
459
460 typedef void (*mpo_syncache_create_t)(struct label *label,
461 struct inpcb *inp);
462 typedef void (*mpo_syncache_create_mbuf_t)(struct label *sc_label,
463 struct mbuf *m, struct label *mlabel);
464 typedef void (*mpo_syncache_destroy_label_t)(struct label *label);
465 typedef int (*mpo_syncache_init_label_t)(struct label *label, int flag);
466
467 typedef int (*mpo_system_check_acct_t)(struct ucred *cred,
468 struct vnode *vp, struct label *vplabel);
469 typedef int (*mpo_system_check_audit_t)(struct ucred *cred, void *record,
470 int length);
471 typedef int (*mpo_system_check_auditctl_t)(struct ucred *cred,
472 struct vnode *vp, struct label *vplabel);
473 typedef int (*mpo_system_check_auditon_t)(struct ucred *cred, int cmd);
474 typedef int (*mpo_system_check_reboot_t)(struct ucred *cred, int howto);
475 typedef int (*mpo_system_check_swapon_t)(struct ucred *cred,
476 struct vnode *vp, struct label *vplabel);
477 typedef int (*mpo_system_check_swapoff_t)(struct ucred *cred,
478 struct vnode *vp, struct label *vplabel);
479 typedef int (*mpo_system_check_sysctl_t)(struct ucred *cred,
480 struct sysctl_oid *oidp, void *arg1, int arg2,
481 struct sysctl_req *req);
482
483 typedef void (*mpo_sysvmsg_cleanup_t)(struct label *msglabel);
484 typedef void (*mpo_sysvmsg_create_t)(struct ucred *cred,
485 struct msqid_kernel *msqkptr, struct label *msqlabel,
486 struct msg *msgptr, struct label *msglabel);
487 typedef void (*mpo_sysvmsg_destroy_label_t)(struct label *label);
488 typedef void (*mpo_sysvmsg_init_label_t)(struct label *label);
489
490 typedef int (*mpo_sysvmsq_check_msgmsq_t)(struct ucred *cred,
491 struct msg *msgptr, struct label *msglabel,
492 struct msqid_kernel *msqkptr, struct label *msqklabel);
493 typedef int (*mpo_sysvmsq_check_msgrcv_t)(struct ucred *cred,
494 struct msg *msgptr, struct label *msglabel);
495 typedef int (*mpo_sysvmsq_check_msgrmid_t)(struct ucred *cred,
496 struct msg *msgptr, struct label *msglabel);
497 typedef int (*mpo_sysvmsq_check_msqget_t)(struct ucred *cred,
498 struct msqid_kernel *msqkptr, struct label *msqklabel);
499 typedef int (*mpo_sysvmsq_check_msqctl_t)(struct ucred *cred,
500 struct msqid_kernel *msqkptr, struct label *msqklabel,
501 int cmd);
502 typedef int (*mpo_sysvmsq_check_msqrcv_t)(struct ucred *cred,
503 struct msqid_kernel *msqkptr, struct label *msqklabel);
504 typedef int (*mpo_sysvmsq_check_msqsnd_t)(struct ucred *cred,
505 struct msqid_kernel *msqkptr, struct label *msqklabel);
506 typedef void (*mpo_sysvmsq_cleanup_t)(struct label *msqlabel);
507 typedef void (*mpo_sysvmsq_create_t)(struct ucred *cred,
508 struct msqid_kernel *msqkptr, struct label *msqlabel);
509 typedef void (*mpo_sysvmsq_destroy_label_t)(struct label *label);
510 typedef void (*mpo_sysvmsq_init_label_t)(struct label *label);
511
512 typedef int (*mpo_sysvsem_check_semctl_t)(struct ucred *cred,
513 struct semid_kernel *semakptr, struct label *semaklabel,
514 int cmd);
515 typedef int (*mpo_sysvsem_check_semget_t)(struct ucred *cred,
516 struct semid_kernel *semakptr, struct label *semaklabel);
517 typedef int (*mpo_sysvsem_check_semop_t)(struct ucred *cred,
518 struct semid_kernel *semakptr, struct label *semaklabel,
519 size_t accesstype);
520 typedef void (*mpo_sysvsem_cleanup_t)(struct label *semalabel);
521 typedef void (*mpo_sysvsem_create_t)(struct ucred *cred,
522 struct semid_kernel *semakptr, struct label *semalabel);
523 typedef void (*mpo_sysvsem_destroy_label_t)(struct label *label);
524 typedef void (*mpo_sysvsem_init_label_t)(struct label *label);
525
526 typedef int (*mpo_sysvshm_check_shmat_t)(struct ucred *cred,
527 struct shmid_kernel *shmsegptr,
528 struct label *shmseglabel, int shmflg);
529 typedef int (*mpo_sysvshm_check_shmctl_t)(struct ucred *cred,
530 struct shmid_kernel *shmsegptr,
531 struct label *shmseglabel, int cmd);
532 typedef int (*mpo_sysvshm_check_shmdt_t)(struct ucred *cred,
533 struct shmid_kernel *shmsegptr,
534 struct label *shmseglabel);
535 typedef int (*mpo_sysvshm_check_shmget_t)(struct ucred *cred,
536 struct shmid_kernel *shmsegptr,
537 struct label *shmseglabel, int shmflg);
538 typedef void (*mpo_sysvshm_cleanup_t)(struct label *shmlabel);
539 typedef void (*mpo_sysvshm_create_t)(struct ucred *cred,
540 struct shmid_kernel *shmsegptr, struct label *shmlabel);
541 typedef void (*mpo_sysvshm_destroy_label_t)(struct label *label);
542 typedef void (*mpo_sysvshm_init_label_t)(struct label *label);
543
544 typedef void (*mpo_thread_userret_t)(struct thread *thread);
545
546 typedef int (*mpo_vnode_associate_extattr_t)(struct mount *mp,
547 struct label *mplabel, struct vnode *vp,
548 struct label *vplabel);
549 typedef void (*mpo_vnode_associate_singlelabel_t)(struct mount *mp,
550 struct label *mplabel, struct vnode *vp,
551 struct label *vplabel);
552 typedef int (*mpo_vnode_check_access_t)(struct ucred *cred,
553 struct vnode *vp, struct label *vplabel,
554 accmode_t accmode);
555 typedef int (*mpo_vnode_check_chdir_t)(struct ucred *cred,
556 struct vnode *dvp, struct label *dvplabel);
557 typedef int (*mpo_vnode_check_chroot_t)(struct ucred *cred,
558 struct vnode *dvp, struct label *dvplabel);
559 typedef int (*mpo_vnode_check_create_t)(struct ucred *cred,
560 struct vnode *dvp, struct label *dvplabel,
561 struct componentname *cnp, struct vattr *vap);
562 typedef int (*mpo_vnode_check_deleteacl_t)(struct ucred *cred,
563 struct vnode *vp, struct label *vplabel,
564 acl_type_t type);
565 typedef int (*mpo_vnode_check_deleteextattr_t)(struct ucred *cred,
566 struct vnode *vp, struct label *vplabel,
567 int attrnamespace, const char *name);
568 typedef int (*mpo_vnode_check_exec_t)(struct ucred *cred,
569 struct vnode *vp, struct label *vplabel,
570 struct image_params *imgp, struct label *execlabel);
571 typedef int (*mpo_vnode_check_getacl_t)(struct ucred *cred,
572 struct vnode *vp, struct label *vplabel,
573 acl_type_t type);
574 typedef int (*mpo_vnode_check_getextattr_t)(struct ucred *cred,
575 struct vnode *vp, struct label *vplabel,
576 int attrnamespace, const char *name);
577 typedef int (*mpo_vnode_check_link_t)(struct ucred *cred,
578 struct vnode *dvp, struct label *dvplabel,
579 struct vnode *vp, struct label *vplabel,
580 struct componentname *cnp);
581 typedef int (*mpo_vnode_check_listextattr_t)(struct ucred *cred,
582 struct vnode *vp, struct label *vplabel,
583 int attrnamespace);
584 typedef int (*mpo_vnode_check_lookup_t)(struct ucred *cred,
585 struct vnode *dvp, struct label *dvplabel,
586 struct componentname *cnp);
587 typedef int (*mpo_vnode_check_mmap_t)(struct ucred *cred,
588 struct vnode *vp, struct label *label, int prot,
589 int flags);
590 typedef void (*mpo_vnode_check_mmap_downgrade_t)(struct ucred *cred,
591 struct vnode *vp, struct label *vplabel, int *prot);
592 typedef int (*mpo_vnode_check_mprotect_t)(struct ucred *cred,
593 struct vnode *vp, struct label *vplabel, int prot);
594 typedef int (*mpo_vnode_check_open_t)(struct ucred *cred,
595 struct vnode *vp, struct label *vplabel,
596 accmode_t accmode);
597 typedef int (*mpo_vnode_check_poll_t)(struct ucred *active_cred,
598 struct ucred *file_cred, struct vnode *vp,
599 struct label *vplabel);
600 typedef int (*mpo_vnode_check_read_t)(struct ucred *active_cred,
601 struct ucred *file_cred, struct vnode *vp,
602 struct label *vplabel);
603 typedef int (*mpo_vnode_check_readdir_t)(struct ucred *cred,
604 struct vnode *dvp, struct label *dvplabel);
605 typedef int (*mpo_vnode_check_readlink_t)(struct ucred *cred,
606 struct vnode *vp, struct label *vplabel);
607 typedef int (*mpo_vnode_check_relabel_t)(struct ucred *cred,
608 struct vnode *vp, struct label *vplabel,
609 struct label *newlabel);
610 typedef int (*mpo_vnode_check_rename_from_t)(struct ucred *cred,
611 struct vnode *dvp, struct label *dvplabel,
612 struct vnode *vp, struct label *vplabel,
613 struct componentname *cnp);
614 typedef int (*mpo_vnode_check_rename_to_t)(struct ucred *cred,
615 struct vnode *dvp, struct label *dvplabel,
616 struct vnode *vp, struct label *vplabel, int samedir,
617 struct componentname *cnp);
618 typedef int (*mpo_vnode_check_revoke_t)(struct ucred *cred,
619 struct vnode *vp, struct label *vplabel);
620 typedef int (*mpo_vnode_check_setacl_t)(struct ucred *cred,
621 struct vnode *vp, struct label *vplabel, acl_type_t type,
622 struct acl *acl);
623 typedef int (*mpo_vnode_check_setextattr_t)(struct ucred *cred,
624 struct vnode *vp, struct label *vplabel,
625 int attrnamespace, const char *name);
626 typedef int (*mpo_vnode_check_setflags_t)(struct ucred *cred,
627 struct vnode *vp, struct label *vplabel, u_long flags);
628 typedef int (*mpo_vnode_check_setmode_t)(struct ucred *cred,
629 struct vnode *vp, struct label *vplabel, mode_t mode);
630 typedef int (*mpo_vnode_check_setowner_t)(struct ucred *cred,
631 struct vnode *vp, struct label *vplabel, uid_t uid,
632 gid_t gid);
633 typedef int (*mpo_vnode_check_setutimes_t)(struct ucred *cred,
634 struct vnode *vp, struct label *vplabel,
635 struct timespec atime, struct timespec mtime);
636 typedef int (*mpo_vnode_check_stat_t)(struct ucred *active_cred,
637 struct ucred *file_cred, struct vnode *vp,
638 struct label *vplabel);
639 typedef int (*mpo_vnode_check_unlink_t)(struct ucred *cred,
640 struct vnode *dvp, struct label *dvplabel,
641 struct vnode *vp, struct label *vplabel,
642 struct componentname *cnp);
643 typedef int (*mpo_vnode_check_write_t)(struct ucred *active_cred,
644 struct ucred *file_cred, struct vnode *vp,
645 struct label *vplabel);
646 typedef void (*mpo_vnode_copy_label_t)(struct label *src,
647 struct label *dest);
648 typedef int (*mpo_vnode_create_extattr_t)(struct ucred *cred,
649 struct mount *mp, struct label *mplabel,
650 struct vnode *dvp, struct label *dvplabel,
651 struct vnode *vp, struct label *vplabel,
652 struct componentname *cnp);
653 typedef void (*mpo_vnode_destroy_label_t)(struct label *label);
654 typedef void (*mpo_vnode_execve_transition_t)(struct ucred *old,
655 struct ucred *new, struct vnode *vp,
656 struct label *vplabel, struct label *interpvplabel,
657 struct image_params *imgp, struct label *execlabel);
658 typedef int (*mpo_vnode_execve_will_transition_t)(struct ucred *old,
659 struct vnode *vp, struct label *vplabel,
660 struct label *interpvplabel, struct image_params *imgp,
661 struct label *execlabel);
662 typedef int (*mpo_vnode_externalize_label_t)(struct label *label,
663 char *element_name, struct sbuf *sb, int *claimed);
664 typedef void (*mpo_vnode_init_label_t)(struct label *label);
665 typedef int (*mpo_vnode_internalize_label_t)(struct label *label,
666 char *element_name, char *element_data, int *claimed);
667 typedef void (*mpo_vnode_relabel_t)(struct ucred *cred, struct vnode *vp,
668 struct label *vplabel, struct label *label);
669 typedef int (*mpo_vnode_setlabel_extattr_t)(struct ucred *cred,
670 struct vnode *vp, struct label *vplabel,
671 struct label *intlabel);
672
673 struct mac_policy_ops {
674 /*
675 * Policy module operations.
676 */
677 mpo_destroy_t mpo_destroy;
678 mpo_init_t mpo_init;
679
680 /*
681 * General policy-directed security system call so that policies may
682 * implement new services without reserving explicit system call
683 * numbers.
684 */
685 mpo_syscall_t mpo_syscall;
686
687 /*
688 * Label operations. Initialize label storage, destroy label
689 * storage, recycle for re-use without init/destroy, copy a label to
690 * initialized storage, and externalize/internalize from/to
691 * initialized storage.
692 */
693 mpo_bpfdesc_check_receive_t mpo_bpfdesc_check_receive;
694 mpo_bpfdesc_create_t mpo_bpfdesc_create;
695 mpo_bpfdesc_create_mbuf_t mpo_bpfdesc_create_mbuf;
696 mpo_bpfdesc_destroy_label_t mpo_bpfdesc_destroy_label;
697 mpo_bpfdesc_init_label_t mpo_bpfdesc_init_label;
698
699 mpo_cred_associate_nfsd_t mpo_cred_associate_nfsd;
700 mpo_cred_check_relabel_t mpo_cred_check_relabel;
701 mpo_cred_check_setaudit_t mpo_cred_check_setaudit;
702 mpo_cred_check_setaudit_addr_t mpo_cred_check_setaudit_addr;
703 mpo_cred_check_setauid_t mpo_cred_check_setauid;
704 mpo_cred_check_setuid_t mpo_cred_check_setuid;
705 mpo_cred_check_seteuid_t mpo_cred_check_seteuid;
706 mpo_cred_check_setgid_t mpo_cred_check_setgid;
707 mpo_cred_check_setegid_t mpo_cred_check_setegid;
708 mpo_cred_check_setgroups_t mpo_cred_check_setgroups;
709 mpo_cred_check_setreuid_t mpo_cred_check_setreuid;
710 mpo_cred_check_setregid_t mpo_cred_check_setregid;
711 mpo_cred_check_setresuid_t mpo_cred_check_setresuid;
712 mpo_cred_check_setresgid_t mpo_cred_check_setresgid;
713 mpo_cred_check_visible_t mpo_cred_check_visible;
714 mpo_cred_copy_label_t mpo_cred_copy_label;
715 mpo_cred_create_swapper_t mpo_cred_create_swapper;
716 mpo_cred_create_init_t mpo_cred_create_init;
717 mpo_cred_destroy_label_t mpo_cred_destroy_label;
718 mpo_cred_externalize_label_t mpo_cred_externalize_label;
719 mpo_cred_init_label_t mpo_cred_init_label;
720 mpo_cred_internalize_label_t mpo_cred_internalize_label;
721 mpo_cred_relabel_t mpo_cred_relabel;
722
723 mpo_devfs_create_device_t mpo_devfs_create_device;
724 mpo_devfs_create_directory_t mpo_devfs_create_directory;
725 mpo_devfs_create_symlink_t mpo_devfs_create_symlink;
726 mpo_devfs_destroy_label_t mpo_devfs_destroy_label;
727 mpo_devfs_init_label_t mpo_devfs_init_label;
728 mpo_devfs_update_t mpo_devfs_update;
729 mpo_devfs_vnode_associate_t mpo_devfs_vnode_associate;
730
731 mpo_ifnet_check_relabel_t mpo_ifnet_check_relabel;
732 mpo_ifnet_check_transmit_t mpo_ifnet_check_transmit;
733 mpo_ifnet_copy_label_t mpo_ifnet_copy_label;
734 mpo_ifnet_create_t mpo_ifnet_create;
735 mpo_ifnet_create_mbuf_t mpo_ifnet_create_mbuf;
736 mpo_ifnet_destroy_label_t mpo_ifnet_destroy_label;
737 mpo_ifnet_externalize_label_t mpo_ifnet_externalize_label;
738 mpo_ifnet_init_label_t mpo_ifnet_init_label;
739 mpo_ifnet_internalize_label_t mpo_ifnet_internalize_label;
740 mpo_ifnet_relabel_t mpo_ifnet_relabel;
741
742 mpo_inpcb_check_deliver_t mpo_inpcb_check_deliver;
743 mpo_inpcb_check_visible_t mpo_inpcb_check_visible;
744 mpo_inpcb_create_t mpo_inpcb_create;
745 mpo_inpcb_create_mbuf_t mpo_inpcb_create_mbuf;
746 mpo_inpcb_destroy_label_t mpo_inpcb_destroy_label;
747 mpo_inpcb_init_label_t mpo_inpcb_init_label;
748 mpo_inpcb_sosetlabel_t mpo_inpcb_sosetlabel;
749
750 mpo_ip6q_create_t mpo_ip6q_create;
751 mpo_ip6q_destroy_label_t mpo_ip6q_destroy_label;
752 mpo_ip6q_init_label_t mpo_ip6q_init_label;
753 mpo_ip6q_match_t mpo_ip6q_match;
754 mpo_ip6q_reassemble mpo_ip6q_reassemble;
755 mpo_ip6q_update_t mpo_ip6q_update;
756
757 mpo_ipq_create_t mpo_ipq_create;
758 mpo_ipq_destroy_label_t mpo_ipq_destroy_label;
759 mpo_ipq_init_label_t mpo_ipq_init_label;
760 mpo_ipq_match_t mpo_ipq_match;
761 mpo_ipq_reassemble mpo_ipq_reassemble;
762 mpo_ipq_update_t mpo_ipq_update;
763
764 mpo_kenv_check_dump_t mpo_kenv_check_dump;
765 mpo_kenv_check_get_t mpo_kenv_check_get;
766 mpo_kenv_check_set_t mpo_kenv_check_set;
767 mpo_kenv_check_unset_t mpo_kenv_check_unset;
768
769 mpo_kld_check_load_t mpo_kld_check_load;
770 mpo_kld_check_stat_t mpo_kld_check_stat;
771
772 mpo_mbuf_copy_label_t mpo_mbuf_copy_label;
773 mpo_mbuf_destroy_label_t mpo_mbuf_destroy_label;
774 mpo_mbuf_init_label_t mpo_mbuf_init_label;
775
776 mpo_mount_check_stat_t mpo_mount_check_stat;
777 mpo_mount_create_t mpo_mount_create;
778 mpo_mount_destroy_label_t mpo_mount_destroy_label;
779 mpo_mount_init_label_t mpo_mount_init_label;
780
781 mpo_netinet_arp_send_t mpo_netinet_arp_send;
782 mpo_netinet_firewall_reply_t mpo_netinet_firewall_reply;
783 mpo_netinet_firewall_send_t mpo_netinet_firewall_send;
784 mpo_netinet_fragment_t mpo_netinet_fragment;
785 mpo_netinet_icmp_reply_t mpo_netinet_icmp_reply;
786 mpo_netinet_icmp_replyinplace_t mpo_netinet_icmp_replyinplace;
787 mpo_netinet_igmp_send_t mpo_netinet_igmp_send;
788 mpo_netinet_tcp_reply_t mpo_netinet_tcp_reply;
789
790 mpo_netinet6_nd6_send_t mpo_netinet6_nd6_send;
791
792 mpo_pipe_check_ioctl_t mpo_pipe_check_ioctl;
793 mpo_pipe_check_poll_t mpo_pipe_check_poll;
794 mpo_pipe_check_read_t mpo_pipe_check_read;
795 mpo_pipe_check_relabel_t mpo_pipe_check_relabel;
796 mpo_pipe_check_stat_t mpo_pipe_check_stat;
797 mpo_pipe_check_write_t mpo_pipe_check_write;
798 mpo_pipe_copy_label_t mpo_pipe_copy_label;
799 mpo_pipe_create_t mpo_pipe_create;
800 mpo_pipe_destroy_label_t mpo_pipe_destroy_label;
801 mpo_pipe_externalize_label_t mpo_pipe_externalize_label;
802 mpo_pipe_init_label_t mpo_pipe_init_label;
803 mpo_pipe_internalize_label_t mpo_pipe_internalize_label;
804 mpo_pipe_relabel_t mpo_pipe_relabel;
805
806 mpo_posixsem_check_getvalue_t mpo_posixsem_check_getvalue;
807 mpo_posixsem_check_open_t mpo_posixsem_check_open;
808 mpo_posixsem_check_post_t mpo_posixsem_check_post;
809 mpo_posixsem_check_setmode_t mpo_posixsem_check_setmode;
810 mpo_posixsem_check_setowner_t mpo_posixsem_check_setowner;
811 mpo_posixsem_check_stat_t mpo_posixsem_check_stat;
812 mpo_posixsem_check_unlink_t mpo_posixsem_check_unlink;
813 mpo_posixsem_check_wait_t mpo_posixsem_check_wait;
814 mpo_posixsem_create_t mpo_posixsem_create;
815 mpo_posixsem_destroy_label_t mpo_posixsem_destroy_label;
816 mpo_posixsem_init_label_t mpo_posixsem_init_label;
817
818 mpo_posixshm_check_create_t mpo_posixshm_check_create;
819 mpo_posixshm_check_mmap_t mpo_posixshm_check_mmap;
820 mpo_posixshm_check_open_t mpo_posixshm_check_open;
821 mpo_posixshm_check_read_t mpo_posixshm_check_read;
822 mpo_posixshm_check_setmode_t mpo_posixshm_check_setmode;
823 mpo_posixshm_check_setowner_t mpo_posixshm_check_setowner;
824 mpo_posixshm_check_stat_t mpo_posixshm_check_stat;
825 mpo_posixshm_check_truncate_t mpo_posixshm_check_truncate;
826 mpo_posixshm_check_unlink_t mpo_posixshm_check_unlink;
827 mpo_posixshm_check_write_t mpo_posixshm_check_write;
828 mpo_posixshm_create_t mpo_posixshm_create;
829 mpo_posixshm_destroy_label_t mpo_posixshm_destroy_label;
830 mpo_posixshm_init_label_t mpo_posixshm_init_label;
831
832 mpo_priv_check_t mpo_priv_check;
833 mpo_priv_grant_t mpo_priv_grant;
834
835 mpo_proc_check_debug_t mpo_proc_check_debug;
836 mpo_proc_check_sched_t mpo_proc_check_sched;
837 mpo_proc_check_signal_t mpo_proc_check_signal;
838 mpo_proc_check_wait_t mpo_proc_check_wait;
839 mpo_proc_destroy_label_t mpo_proc_destroy_label;
840 mpo_proc_init_label_t mpo_proc_init_label;
841
842 mpo_socket_check_accept_t mpo_socket_check_accept;
843 mpo_socket_check_bind_t mpo_socket_check_bind;
844 mpo_socket_check_connect_t mpo_socket_check_connect;
845 mpo_socket_check_create_t mpo_socket_check_create;
846 mpo_socket_check_deliver_t mpo_socket_check_deliver;
847 mpo_socket_check_listen_t mpo_socket_check_listen;
848 mpo_socket_check_poll_t mpo_socket_check_poll;
849 mpo_socket_check_receive_t mpo_socket_check_receive;
850 mpo_socket_check_relabel_t mpo_socket_check_relabel;
851 mpo_socket_check_send_t mpo_socket_check_send;
852 mpo_socket_check_stat_t mpo_socket_check_stat;
853 mpo_socket_check_visible_t mpo_socket_check_visible;
854 mpo_socket_copy_label_t mpo_socket_copy_label;
855 mpo_socket_create_t mpo_socket_create;
856 mpo_socket_create_mbuf_t mpo_socket_create_mbuf;
857 mpo_socket_destroy_label_t mpo_socket_destroy_label;
858 mpo_socket_externalize_label_t mpo_socket_externalize_label;
859 mpo_socket_init_label_t mpo_socket_init_label;
860 mpo_socket_internalize_label_t mpo_socket_internalize_label;
861 mpo_socket_newconn_t mpo_socket_newconn;
862 mpo_socket_relabel_t mpo_socket_relabel;
863
864 mpo_socketpeer_destroy_label_t mpo_socketpeer_destroy_label;
865 mpo_socketpeer_externalize_label_t mpo_socketpeer_externalize_label;
866 mpo_socketpeer_init_label_t mpo_socketpeer_init_label;
867 mpo_socketpeer_set_from_mbuf_t mpo_socketpeer_set_from_mbuf;
868 mpo_socketpeer_set_from_socket_t mpo_socketpeer_set_from_socket;
869
870 mpo_syncache_init_label_t mpo_syncache_init_label;
871 mpo_syncache_destroy_label_t mpo_syncache_destroy_label;
872 mpo_syncache_create_t mpo_syncache_create;
873 mpo_syncache_create_mbuf_t mpo_syncache_create_mbuf;
874
875 mpo_system_check_acct_t mpo_system_check_acct;
876 mpo_system_check_audit_t mpo_system_check_audit;
877 mpo_system_check_auditctl_t mpo_system_check_auditctl;
878 mpo_system_check_auditon_t mpo_system_check_auditon;
879 mpo_system_check_reboot_t mpo_system_check_reboot;
880 mpo_system_check_swapon_t mpo_system_check_swapon;
881 mpo_system_check_swapoff_t mpo_system_check_swapoff;
882 mpo_system_check_sysctl_t mpo_system_check_sysctl;
883
884 mpo_sysvmsg_cleanup_t mpo_sysvmsg_cleanup;
885 mpo_sysvmsg_create_t mpo_sysvmsg_create;
886 mpo_sysvmsg_destroy_label_t mpo_sysvmsg_destroy_label;
887 mpo_sysvmsg_init_label_t mpo_sysvmsg_init_label;
888
889 mpo_sysvmsq_check_msgmsq_t mpo_sysvmsq_check_msgmsq;
890 mpo_sysvmsq_check_msgrcv_t mpo_sysvmsq_check_msgrcv;
891 mpo_sysvmsq_check_msgrmid_t mpo_sysvmsq_check_msgrmid;
892 mpo_sysvmsq_check_msqctl_t mpo_sysvmsq_check_msqctl;
893 mpo_sysvmsq_check_msqget_t mpo_sysvmsq_check_msqget;
894 mpo_sysvmsq_check_msqrcv_t mpo_sysvmsq_check_msqrcv;
895 mpo_sysvmsq_check_msqsnd_t mpo_sysvmsq_check_msqsnd;
896 mpo_sysvmsq_cleanup_t mpo_sysvmsq_cleanup;
897 mpo_sysvmsq_create_t mpo_sysvmsq_create;
898 mpo_sysvmsq_destroy_label_t mpo_sysvmsq_destroy_label;
899 mpo_sysvmsq_init_label_t mpo_sysvmsq_init_label;
900
901 mpo_sysvsem_check_semctl_t mpo_sysvsem_check_semctl;
902 mpo_sysvsem_check_semget_t mpo_sysvsem_check_semget;
903 mpo_sysvsem_check_semop_t mpo_sysvsem_check_semop;
904 mpo_sysvsem_cleanup_t mpo_sysvsem_cleanup;
905 mpo_sysvsem_create_t mpo_sysvsem_create;
906 mpo_sysvsem_destroy_label_t mpo_sysvsem_destroy_label;
907 mpo_sysvsem_init_label_t mpo_sysvsem_init_label;
908
909 mpo_sysvshm_check_shmat_t mpo_sysvshm_check_shmat;
910 mpo_sysvshm_check_shmctl_t mpo_sysvshm_check_shmctl;
911 mpo_sysvshm_check_shmdt_t mpo_sysvshm_check_shmdt;
912 mpo_sysvshm_check_shmget_t mpo_sysvshm_check_shmget;
913 mpo_sysvshm_cleanup_t mpo_sysvshm_cleanup;
914 mpo_sysvshm_create_t mpo_sysvshm_create;
915 mpo_sysvshm_destroy_label_t mpo_sysvshm_destroy_label;
916 mpo_sysvshm_init_label_t mpo_sysvshm_init_label;
917
918 mpo_thread_userret_t mpo_thread_userret;
919
920 mpo_vnode_check_access_t mpo_vnode_check_access;
921 mpo_vnode_check_chdir_t mpo_vnode_check_chdir;
922 mpo_vnode_check_chroot_t mpo_vnode_check_chroot;
923 mpo_vnode_check_create_t mpo_vnode_check_create;
924 mpo_vnode_check_deleteacl_t mpo_vnode_check_deleteacl;
925 mpo_vnode_check_deleteextattr_t mpo_vnode_check_deleteextattr;
926 mpo_vnode_check_exec_t mpo_vnode_check_exec;
927 mpo_vnode_check_getacl_t mpo_vnode_check_getacl;
928 mpo_vnode_check_getextattr_t mpo_vnode_check_getextattr;
929 mpo_vnode_check_link_t mpo_vnode_check_link;
930 mpo_vnode_check_listextattr_t mpo_vnode_check_listextattr;
931 mpo_vnode_check_lookup_t mpo_vnode_check_lookup;
932 mpo_vnode_check_mmap_t mpo_vnode_check_mmap;
933 mpo_vnode_check_mmap_downgrade_t mpo_vnode_check_mmap_downgrade;
934 mpo_vnode_check_mprotect_t mpo_vnode_check_mprotect;
935 mpo_vnode_check_open_t mpo_vnode_check_open;
936 mpo_vnode_check_poll_t mpo_vnode_check_poll;
937 mpo_vnode_check_read_t mpo_vnode_check_read;
938 mpo_vnode_check_readdir_t mpo_vnode_check_readdir;
939 mpo_vnode_check_readlink_t mpo_vnode_check_readlink;
940 mpo_vnode_check_relabel_t mpo_vnode_check_relabel;
941 mpo_vnode_check_rename_from_t mpo_vnode_check_rename_from;
942 mpo_vnode_check_rename_to_t mpo_vnode_check_rename_to;
943 mpo_vnode_check_revoke_t mpo_vnode_check_revoke;
944 mpo_vnode_check_setacl_t mpo_vnode_check_setacl;
945 mpo_vnode_check_setextattr_t mpo_vnode_check_setextattr;
946 mpo_vnode_check_setflags_t mpo_vnode_check_setflags;
947 mpo_vnode_check_setmode_t mpo_vnode_check_setmode;
948 mpo_vnode_check_setowner_t mpo_vnode_check_setowner;
949 mpo_vnode_check_setutimes_t mpo_vnode_check_setutimes;
950 mpo_vnode_check_stat_t mpo_vnode_check_stat;
951 mpo_vnode_check_unlink_t mpo_vnode_check_unlink;
952 mpo_vnode_check_write_t mpo_vnode_check_write;
953 mpo_vnode_associate_extattr_t mpo_vnode_associate_extattr;
954 mpo_vnode_associate_singlelabel_t mpo_vnode_associate_singlelabel;
955 mpo_vnode_destroy_label_t mpo_vnode_destroy_label;
956 mpo_vnode_copy_label_t mpo_vnode_copy_label;
957 mpo_vnode_create_extattr_t mpo_vnode_create_extattr;
958 mpo_vnode_execve_transition_t mpo_vnode_execve_transition;
959 mpo_vnode_execve_will_transition_t mpo_vnode_execve_will_transition;
960 mpo_vnode_externalize_label_t mpo_vnode_externalize_label;
961 mpo_vnode_init_label_t mpo_vnode_init_label;
962 mpo_vnode_internalize_label_t mpo_vnode_internalize_label;
963 mpo_vnode_relabel_t mpo_vnode_relabel;
964 mpo_vnode_setlabel_extattr_t mpo_vnode_setlabel_extattr;
965 };
966
967 /*
968 * struct mac_policy_conf is the registration structure for policies, and is
969 * provided to the MAC Framework using MAC_POLICY_SET() to invoke a SYSINIT
970 * to register the policy. In general, the fields are immutable, with the
971 * exception of the "security field", run-time flags, and policy list entry,
972 * which are managed by the MAC Framework. Be careful when modifying this
973 * structure, as its layout is statically compiled into all policies.
974 */
975 struct mac_policy_conf {
976 char *mpc_name; /* policy name */
977 char *mpc_fullname; /* policy full name */
978 struct mac_policy_ops *mpc_ops; /* policy operations */
979 int mpc_loadtime_flags; /* flags */
980 int *mpc_field_off; /* security field */
981 int mpc_runtime_flags; /* flags */
982 int _mpc_spare1; /* Spare. */
983 uint64_t _mpc_spare2; /* Spare. */
984 uint64_t _mpc_spare3; /* Spare. */
985 void *_mpc_spare4; /* Spare. */
986 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */
987 };
988
989 /* Flags for the mpc_loadtime_flags field. */
990 #define MPC_LOADTIME_FLAG_NOTLATE 0x00000001
991 #define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002
992
993 /* Flags for the mpc_runtime_flags field. */
994 #define MPC_RUNTIME_FLAG_REGISTERED 0x00000001
995
996 /*-
997 * The TrustedBSD MAC Framework has a major version number, MAC_VERSION,
998 * which defines the ABI of the Framework present in the kernel (and depended
999 * on by policy modules compiled against that kernel). Currently,
1000 * MAC_POLICY_SET() requires that the kernel and module ABI version numbers
1001 * exactly match. The following major versions have been defined to date:
1002 *
1003 * MAC version FreeBSD versions
1004 * 1 5.x
1005 * 2 6.x
1006 * 3 7.x
1007 * 4 8.x
1008 */
1009 #define MAC_VERSION 4
1010
1011 #define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \
1012 static struct mac_policy_conf mpname##_mac_policy_conf = { \
1013 .mpc_name = #mpname, \
1014 .mpc_fullname = mpfullname, \
1015 .mpc_ops = mpops, \
1016 .mpc_loadtime_flags = mpflags, \
1017 .mpc_field_off = privdata_wanted, \
1018 }; \
1019 static moduledata_t mpname##_mod = { \
1020 #mpname, \
1021 mac_policy_modevent, \
1022 &mpname##_mac_policy_conf \
1023 }; \
1024 MODULE_DEPEND(mpname, kernel_mac_support, MAC_VERSION, \
1025 MAC_VERSION, MAC_VERSION); \
1026 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \
1027 SI_ORDER_MIDDLE)
1028
1029 int mac_policy_modevent(module_t mod, int type, void *data);
1030
1031 /*
1032 * Policy interface to map a struct label pointer to per-policy data.
1033 * Typically, policies wrap this in their own accessor macro that casts a
1034 * uintptr_t to a policy-specific data type.
1035 */
1036 intptr_t mac_label_get(struct label *l, int slot);
1037 void mac_label_set(struct label *l, int slot, intptr_t v);
1038
1039 #endif /* !_SECURITY_MAC_MAC_POLICY_H_ */
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