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 * $FreeBSD$
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 #include <ddb/ddb.h> /* XXX db_expr_t */
70
71 struct acl;
72 struct auditinfo;
73 struct auditinfo_addr;
74 struct bpf_d;
75 struct cdev;
76 struct componentname;
77 struct db_command;
78 struct devfs_dirent;
79 struct ifnet;
80 struct image_params;
81 struct inpcb;
82 struct ip6q;
83 struct ipq;
84 struct kdb_dbbe;
85 struct ksem;
86 struct label;
87 struct mac_policy_conf;
88 struct mbuf;
89 struct mount;
90 struct msg;
91 struct msqid_kernel;
92 struct pipepair;
93 struct proc;
94 struct sbuf;
95 struct semid_kernel;
96 struct shmfd;
97 struct shmid_kernel;
98 struct sockaddr;
99 struct socket;
100 struct sysctl_oid;
101 struct sysctl_req;
102 struct thread;
103 struct ucred;
104 struct vattr;
105 struct vnode;
106
107 /*
108 * Policy module operations.
109 */
110 typedef void (*mpo_destroy_t)(struct mac_policy_conf *mpc);
111 typedef void (*mpo_init_t)(struct mac_policy_conf *mpc);
112
113 /*
114 * General policy-directed security system call so that policies may
115 * implement new services without reserving explicit system call numbers.
116 */
117 typedef int (*mpo_syscall_t)(struct thread *td, int call, void *arg);
118
119 /*
120 * Place-holder function pointers for ABI-compatibility purposes.
121 */
122 typedef void (*mpo_placeholder_t)(void);
123
124 /*
125 * Operations sorted alphabetically by primary object type and then method.
126 */
127 typedef int (*mpo_bpfdesc_check_receive_t)(struct bpf_d *d,
128 struct label *dlabel, struct ifnet *ifp,
129 struct label *ifplabel);
130 typedef void (*mpo_bpfdesc_create_t)(struct ucred *cred,
131 struct bpf_d *d, struct label *dlabel);
132 typedef void (*mpo_bpfdesc_create_mbuf_t)(struct bpf_d *d,
133 struct label *dlabel, struct mbuf *m,
134 struct label *mlabel);
135 typedef void (*mpo_bpfdesc_destroy_label_t)(struct label *label);
136 typedef void (*mpo_bpfdesc_init_label_t)(struct label *label);
137
138 typedef void (*mpo_cred_associate_nfsd_t)(struct ucred *cred);
139 typedef int (*mpo_cred_check_relabel_t)(struct ucred *cred,
140 struct label *newlabel);
141 typedef int (*mpo_cred_check_setaudit_t)(struct ucred *cred,
142 struct auditinfo *ai);
143 typedef int (*mpo_cred_check_setaudit_addr_t)(struct ucred *cred,
144 struct auditinfo_addr *aia);
145 typedef int (*mpo_cred_check_setauid_t)(struct ucred *cred, uid_t auid);
146 typedef int (*mpo_cred_check_setegid_t)(struct ucred *cred, gid_t egid);
147 typedef int (*mpo_cred_check_seteuid_t)(struct ucred *cred, uid_t euid);
148 typedef int (*mpo_cred_check_setgid_t)(struct ucred *cred, gid_t gid);
149 typedef int (*mpo_cred_check_setgroups_t)(struct ucred *cred, int ngroups,
150 gid_t *gidset);
151 typedef int (*mpo_cred_check_setregid_t)(struct ucred *cred, gid_t rgid,
152 gid_t egid);
153 typedef int (*mpo_cred_check_setresgid_t)(struct ucred *cred, gid_t rgid,
154 gid_t egid, gid_t sgid);
155 typedef int (*mpo_cred_check_setresuid_t)(struct ucred *cred, uid_t ruid,
156 uid_t euid, uid_t suid);
157 typedef int (*mpo_cred_check_setreuid_t)(struct ucred *cred, uid_t ruid,
158 uid_t euid);
159 typedef int (*mpo_cred_check_setuid_t)(struct ucred *cred, uid_t uid);
160 typedef int (*mpo_cred_check_visible_t)(struct ucred *cr1,
161 struct ucred *cr2);
162 typedef void (*mpo_cred_copy_label_t)(struct label *src,
163 struct label *dest);
164 typedef void (*mpo_cred_create_init_t)(struct ucred *cred);
165 typedef void (*mpo_cred_create_swapper_t)(struct ucred *cred);
166 typedef void (*mpo_cred_destroy_label_t)(struct label *label);
167 typedef int (*mpo_cred_externalize_label_t)(struct label *label,
168 char *element_name, struct sbuf *sb, int *claimed);
169 typedef void (*mpo_cred_init_label_t)(struct label *label);
170 typedef int (*mpo_cred_internalize_label_t)(struct label *label,
171 char *element_name, char *element_data, int *claimed);
172 typedef void (*mpo_cred_relabel_t)(struct ucred *cred,
173 struct label *newlabel);
174
175 typedef int (*mpo_ddb_command_register_t)(struct db_command_table *table,
176 struct db_command *cmd);
177 typedef int (*mpo_ddb_command_exec_t)(struct db_command *cmd,
178 db_expr_t addr, bool have_addr, db_expr_t count,
179 char *modif);
180
181 typedef void (*mpo_devfs_create_device_t)(struct ucred *cred,
182 struct mount *mp, struct cdev *dev,
183 struct devfs_dirent *de, struct label *delabel);
184 typedef void (*mpo_devfs_create_directory_t)(struct mount *mp,
185 char *dirname, int dirnamelen, struct devfs_dirent *de,
186 struct label *delabel);
187 typedef void (*mpo_devfs_create_symlink_t)(struct ucred *cred,
188 struct mount *mp, struct devfs_dirent *dd,
189 struct label *ddlabel, struct devfs_dirent *de,
190 struct label *delabel);
191 typedef void (*mpo_devfs_destroy_label_t)(struct label *label);
192 typedef void (*mpo_devfs_init_label_t)(struct label *label);
193 typedef void (*mpo_devfs_update_t)(struct mount *mp,
194 struct devfs_dirent *de, struct label *delabel,
195 struct vnode *vp, struct label *vplabel);
196 typedef void (*mpo_devfs_vnode_associate_t)(struct mount *mp,
197 struct label *mplabel, struct devfs_dirent *de,
198 struct label *delabel, struct vnode *vp,
199 struct label *vplabel);
200
201 typedef int (*mpo_ifnet_check_relabel_t)(struct ucred *cred,
202 struct ifnet *ifp, struct label *ifplabel,
203 struct label *newlabel);
204 typedef int (*mpo_ifnet_check_transmit_t)(struct ifnet *ifp,
205 struct label *ifplabel, struct mbuf *m,
206 struct label *mlabel);
207 typedef void (*mpo_ifnet_copy_label_t)(struct label *src,
208 struct label *dest);
209 typedef void (*mpo_ifnet_create_t)(struct ifnet *ifp,
210 struct label *ifplabel);
211 typedef void (*mpo_ifnet_create_mbuf_t)(struct ifnet *ifp,
212 struct label *ifplabel, struct mbuf *m,
213 struct label *mlabel);
214 typedef void (*mpo_ifnet_destroy_label_t)(struct label *label);
215 typedef int (*mpo_ifnet_externalize_label_t)(struct label *label,
216 char *element_name, struct sbuf *sb, int *claimed);
217 typedef void (*mpo_ifnet_init_label_t)(struct label *label);
218 typedef int (*mpo_ifnet_internalize_label_t)(struct label *label,
219 char *element_name, char *element_data, int *claimed);
220 typedef void (*mpo_ifnet_relabel_t)(struct ucred *cred, struct ifnet *ifp,
221 struct label *ifplabel, struct label *newlabel);
222
223 typedef int (*mpo_inpcb_check_deliver_t)(struct inpcb *inp,
224 struct label *inplabel, struct mbuf *m,
225 struct label *mlabel);
226 typedef int (*mpo_inpcb_check_visible_t)(struct ucred *cred,
227 struct inpcb *inp, struct label *inplabel);
228 typedef void (*mpo_inpcb_create_t)(struct socket *so,
229 struct label *solabel, struct inpcb *inp,
230 struct label *inplabel);
231 typedef void (*mpo_inpcb_create_mbuf_t)(struct inpcb *inp,
232 struct label *inplabel, struct mbuf *m,
233 struct label *mlabel);
234 typedef void (*mpo_inpcb_destroy_label_t)(struct label *label);
235 typedef int (*mpo_inpcb_init_label_t)(struct label *label, int flag);
236 typedef void (*mpo_inpcb_sosetlabel_t)(struct socket *so,
237 struct label *label, struct inpcb *inp,
238 struct label *inplabel);
239
240 typedef void (*mpo_ip6q_create_t)(struct mbuf *m, struct label *mlabel,
241 struct ip6q *q6, struct label *q6label);
242 typedef void (*mpo_ip6q_destroy_label_t)(struct label *label);
243 typedef int (*mpo_ip6q_init_label_t)(struct label *label, int flag);
244 typedef int (*mpo_ip6q_match_t)(struct mbuf *m, struct label *mlabel,
245 struct ip6q *q6, struct label *q6label);
246 typedef void (*mpo_ip6q_reassemble)(struct ip6q *q6, struct label *q6label,
247 struct mbuf *m, struct label *mlabel);
248 typedef void (*mpo_ip6q_update_t)(struct mbuf *m, struct label *mlabel,
249 struct ip6q *q6, struct label *q6label);
250
251 typedef void (*mpo_ipq_create_t)(struct mbuf *m, struct label *mlabel,
252 struct ipq *q, struct label *qlabel);
253 typedef void (*mpo_ipq_destroy_label_t)(struct label *label);
254 typedef int (*mpo_ipq_init_label_t)(struct label *label, int flag);
255 typedef int (*mpo_ipq_match_t)(struct mbuf *m, struct label *mlabel,
256 struct ipq *q, struct label *qlabel);
257 typedef void (*mpo_ipq_reassemble)(struct ipq *q, struct label *qlabel,
258 struct mbuf *m, struct label *mlabel);
259 typedef void (*mpo_ipq_update_t)(struct mbuf *m, struct label *mlabel,
260 struct ipq *q, struct label *qlabel);
261
262 typedef int (*mpo_kdb_check_backend_t)(struct kdb_dbbe *be);
263
264 typedef int (*mpo_kenv_check_dump_t)(struct ucred *cred);
265 typedef int (*mpo_kenv_check_get_t)(struct ucred *cred, char *name);
266 typedef int (*mpo_kenv_check_set_t)(struct ucred *cred, char *name,
267 char *value);
268 typedef int (*mpo_kenv_check_unset_t)(struct ucred *cred, char *name);
269
270 typedef int (*mpo_kld_check_load_t)(struct ucred *cred, struct vnode *vp,
271 struct label *vplabel);
272 typedef int (*mpo_kld_check_stat_t)(struct ucred *cred);
273
274 typedef void (*mpo_mbuf_copy_label_t)(struct label *src,
275 struct label *dest);
276 typedef void (*mpo_mbuf_destroy_label_t)(struct label *label);
277 typedef int (*mpo_mbuf_init_label_t)(struct label *label, int flag);
278
279 typedef int (*mpo_mount_check_stat_t)(struct ucred *cred,
280 struct mount *mp, struct label *mplabel);
281 typedef void (*mpo_mount_create_t)(struct ucred *cred, struct mount *mp,
282 struct label *mplabel);
283 typedef void (*mpo_mount_destroy_label_t)(struct label *label);
284 typedef void (*mpo_mount_init_label_t)(struct label *label);
285
286 typedef void (*mpo_netinet_arp_send_t)(struct ifnet *ifp,
287 struct label *ifplabel, struct mbuf *m,
288 struct label *mlabel);
289 typedef void (*mpo_netinet_firewall_reply_t)(struct mbuf *mrecv,
290 struct label *mrecvlabel, struct mbuf *msend,
291 struct label *msendlabel);
292 typedef void (*mpo_netinet_firewall_send_t)(struct mbuf *m,
293 struct label *mlabel);
294 typedef void (*mpo_netinet_fragment_t)(struct mbuf *m,
295 struct label *mlabel, struct mbuf *frag,
296 struct label *fraglabel);
297 typedef void (*mpo_netinet_icmp_reply_t)(struct mbuf *mrecv,
298 struct label *mrecvlabel, struct mbuf *msend,
299 struct label *msendlabel);
300 typedef void (*mpo_netinet_icmp_replyinplace_t)(struct mbuf *m,
301 struct label *mlabel);
302 typedef void (*mpo_netinet_igmp_send_t)(struct ifnet *ifp,
303 struct label *ifplabel, struct mbuf *m,
304 struct label *mlabel);
305 typedef void (*mpo_netinet_tcp_reply_t)(struct mbuf *m,
306 struct label *mlabel);
307
308 typedef void (*mpo_netinet6_nd6_send_t)(struct ifnet *ifp,
309 struct label *ifplabel, struct mbuf *m,
310 struct label *mlabel);
311
312 typedef int (*mpo_pipe_check_ioctl_t)(struct ucred *cred,
313 struct pipepair *pp, struct label *pplabel,
314 unsigned long cmd, void *data);
315 typedef int (*mpo_pipe_check_poll_t)(struct ucred *cred,
316 struct pipepair *pp, struct label *pplabel);
317 typedef int (*mpo_pipe_check_read_t)(struct ucred *cred,
318 struct pipepair *pp, struct label *pplabel);
319 typedef int (*mpo_pipe_check_relabel_t)(struct ucred *cred,
320 struct pipepair *pp, struct label *pplabel,
321 struct label *newlabel);
322 typedef int (*mpo_pipe_check_stat_t)(struct ucred *cred,
323 struct pipepair *pp, struct label *pplabel);
324 typedef int (*mpo_pipe_check_write_t)(struct ucred *cred,
325 struct pipepair *pp, struct label *pplabel);
326 typedef void (*mpo_pipe_copy_label_t)(struct label *src,
327 struct label *dest);
328 typedef void (*mpo_pipe_create_t)(struct ucred *cred, struct pipepair *pp,
329 struct label *pplabel);
330 typedef void (*mpo_pipe_destroy_label_t)(struct label *label);
331 typedef int (*mpo_pipe_externalize_label_t)(struct label *label,
332 char *element_name, struct sbuf *sb, int *claimed);
333 typedef void (*mpo_pipe_init_label_t)(struct label *label);
334 typedef int (*mpo_pipe_internalize_label_t)(struct label *label,
335 char *element_name, char *element_data, int *claimed);
336 typedef void (*mpo_pipe_relabel_t)(struct ucred *cred, struct pipepair *pp,
337 struct label *oldlabel, struct label *newlabel);
338
339 typedef int (*mpo_posixsem_check_getvalue_t)(struct ucred *active_cred,
340 struct ucred *file_cred, struct ksem *ks,
341 struct label *kslabel);
342 typedef int (*mpo_posixsem_check_open_t)(struct ucred *cred,
343 struct ksem *ks, struct label *kslabel);
344 typedef int (*mpo_posixsem_check_post_t)(struct ucred *active_cred,
345 struct ucred *file_cred, struct ksem *ks,
346 struct label *kslabel);
347 typedef int (*mpo_posixsem_check_setmode_t)(struct ucred *cred,
348 struct ksem *ks, struct label *shmlabel,
349 mode_t mode);
350 typedef int (*mpo_posixsem_check_setowner_t)(struct ucred *cred,
351 struct ksem *ks, struct label *shmlabel,
352 uid_t uid, gid_t gid);
353 typedef int (*mpo_posixsem_check_stat_t)(struct ucred *active_cred,
354 struct ucred *file_cred, struct ksem *ks,
355 struct label *kslabel);
356 typedef int (*mpo_posixsem_check_unlink_t)(struct ucred *cred,
357 struct ksem *ks, struct label *kslabel);
358 typedef int (*mpo_posixsem_check_wait_t)(struct ucred *active_cred,
359 struct ucred *file_cred, struct ksem *ks,
360 struct label *kslabel);
361 typedef void (*mpo_posixsem_create_t)(struct ucred *cred,
362 struct ksem *ks, struct label *kslabel);
363 typedef void (*mpo_posixsem_destroy_label_t)(struct label *label);
364 typedef void (*mpo_posixsem_init_label_t)(struct label *label);
365
366 typedef int (*mpo_posixshm_check_create_t)(struct ucred *cred,
367 const char *path);
368 typedef int (*mpo_posixshm_check_mmap_t)(struct ucred *cred,
369 struct shmfd *shmfd, struct label *shmlabel, int prot,
370 int flags);
371 typedef int (*mpo_posixshm_check_open_t)(struct ucred *cred,
372 struct shmfd *shmfd, struct label *shmlabel,
373 accmode_t accmode);
374 typedef int (*mpo_posixshm_check_read_t)(struct ucred *active_cred,
375 struct ucred *file_cred, struct shmfd *shmfd,
376 struct label *shmlabel);
377 typedef int (*mpo_posixshm_check_setmode_t)(struct ucred *cred,
378 struct shmfd *shmfd, struct label *shmlabel,
379 mode_t mode);
380 typedef int (*mpo_posixshm_check_setowner_t)(struct ucred *cred,
381 struct shmfd *shmfd, struct label *shmlabel,
382 uid_t uid, gid_t gid);
383 typedef int (*mpo_posixshm_check_stat_t)(struct ucred *active_cred,
384 struct ucred *file_cred, struct shmfd *shmfd,
385 struct label *shmlabel);
386 typedef int (*mpo_posixshm_check_truncate_t)(struct ucred *active_cred,
387 struct ucred *file_cred, struct shmfd *shmfd,
388 struct label *shmlabel);
389 typedef int (*mpo_posixshm_check_unlink_t)(struct ucred *cred,
390 struct shmfd *shmfd, struct label *shmlabel);
391 typedef int (*mpo_posixshm_check_write_t)(struct ucred *active_cred,
392 struct ucred *file_cred, struct shmfd *shmfd,
393 struct label *shmlabel);
394 typedef void (*mpo_posixshm_create_t)(struct ucred *cred,
395 struct shmfd *shmfd, struct label *shmlabel);
396 typedef void (*mpo_posixshm_destroy_label_t)(struct label *label);
397 typedef void (*mpo_posixshm_init_label_t)(struct label *label);
398
399 typedef int (*mpo_priv_check_t)(struct ucred *cred, int priv);
400 typedef int (*mpo_priv_grant_t)(struct ucred *cred, int priv);
401
402 typedef int (*mpo_proc_check_debug_t)(struct ucred *cred,
403 struct proc *p);
404 typedef int (*mpo_proc_check_sched_t)(struct ucred *cred,
405 struct proc *p);
406 typedef int (*mpo_proc_check_signal_t)(struct ucred *cred,
407 struct proc *proc, int signum);
408 typedef int (*mpo_proc_check_wait_t)(struct ucred *cred,
409 struct proc *proc);
410 typedef void (*mpo_proc_destroy_label_t)(struct label *label);
411 typedef void (*mpo_proc_init_label_t)(struct label *label);
412
413 typedef int (*mpo_socket_check_accept_t)(struct ucred *cred,
414 struct socket *so, struct label *solabel);
415 typedef int (*mpo_socket_check_bind_t)(struct ucred *cred,
416 struct socket *so, struct label *solabel,
417 struct sockaddr *sa);
418 typedef int (*mpo_socket_check_connect_t)(struct ucred *cred,
419 struct socket *so, struct label *solabel,
420 struct sockaddr *sa);
421 typedef int (*mpo_socket_check_create_t)(struct ucred *cred, int domain,
422 int type, int protocol);
423 typedef int (*mpo_socket_check_deliver_t)(struct socket *so,
424 struct label *solabel, struct mbuf *m,
425 struct label *mlabel);
426 typedef int (*mpo_socket_check_listen_t)(struct ucred *cred,
427 struct socket *so, struct label *solabel);
428 typedef int (*mpo_socket_check_poll_t)(struct ucred *cred,
429 struct socket *so, struct label *solabel);
430 typedef int (*mpo_socket_check_receive_t)(struct ucred *cred,
431 struct socket *so, struct label *solabel);
432 typedef int (*mpo_socket_check_relabel_t)(struct ucred *cred,
433 struct socket *so, struct label *solabel,
434 struct label *newlabel);
435 typedef int (*mpo_socket_check_send_t)(struct ucred *cred,
436 struct socket *so, struct label *solabel);
437 typedef int (*mpo_socket_check_stat_t)(struct ucred *cred,
438 struct socket *so, struct label *solabel);
439 typedef int (*mpo_socket_check_visible_t)(struct ucred *cred,
440 struct socket *so, struct label *solabel);
441 typedef void (*mpo_socket_copy_label_t)(struct label *src,
442 struct label *dest);
443 typedef void (*mpo_socket_create_t)(struct ucred *cred, struct socket *so,
444 struct label *solabel);
445 typedef void (*mpo_socket_create_mbuf_t)(struct socket *so,
446 struct label *solabel, struct mbuf *m,
447 struct label *mlabel);
448 typedef void (*mpo_socket_destroy_label_t)(struct label *label);
449 typedef int (*mpo_socket_externalize_label_t)(struct label *label,
450 char *element_name, struct sbuf *sb, int *claimed);
451 typedef int (*mpo_socket_init_label_t)(struct label *label, int flag);
452 typedef int (*mpo_socket_internalize_label_t)(struct label *label,
453 char *element_name, char *element_data, int *claimed);
454 typedef void (*mpo_socket_newconn_t)(struct socket *oldso,
455 struct label *oldsolabel, struct socket *newso,
456 struct label *newsolabel);
457 typedef void (*mpo_socket_relabel_t)(struct ucred *cred, struct socket *so,
458 struct label *oldlabel, struct label *newlabel);
459
460 typedef void (*mpo_socketpeer_destroy_label_t)(struct label *label);
461 typedef int (*mpo_socketpeer_externalize_label_t)(struct label *label,
462 char *element_name, struct sbuf *sb, int *claimed);
463 typedef int (*mpo_socketpeer_init_label_t)(struct label *label,
464 int flag);
465 typedef void (*mpo_socketpeer_set_from_mbuf_t)(struct mbuf *m,
466 struct label *mlabel, struct socket *so,
467 struct label *sopeerlabel);
468 typedef void (*mpo_socketpeer_set_from_socket_t)(struct socket *oldso,
469 struct label *oldsolabel, struct socket *newso,
470 struct label *newsopeerlabel);
471
472 typedef void (*mpo_syncache_create_t)(struct label *label,
473 struct inpcb *inp);
474 typedef void (*mpo_syncache_create_mbuf_t)(struct label *sc_label,
475 struct mbuf *m, struct label *mlabel);
476 typedef void (*mpo_syncache_destroy_label_t)(struct label *label);
477 typedef int (*mpo_syncache_init_label_t)(struct label *label, int flag);
478
479 typedef int (*mpo_system_check_acct_t)(struct ucred *cred,
480 struct vnode *vp, struct label *vplabel);
481 typedef int (*mpo_system_check_audit_t)(struct ucred *cred, void *record,
482 int length);
483 typedef int (*mpo_system_check_auditctl_t)(struct ucred *cred,
484 struct vnode *vp, struct label *vplabel);
485 typedef int (*mpo_system_check_auditon_t)(struct ucred *cred, int cmd);
486 typedef int (*mpo_system_check_reboot_t)(struct ucred *cred, int howto);
487 typedef int (*mpo_system_check_swapon_t)(struct ucred *cred,
488 struct vnode *vp, struct label *vplabel);
489 typedef int (*mpo_system_check_swapoff_t)(struct ucred *cred,
490 struct vnode *vp, struct label *vplabel);
491 typedef int (*mpo_system_check_sysctl_t)(struct ucred *cred,
492 struct sysctl_oid *oidp, void *arg1, int arg2,
493 struct sysctl_req *req);
494
495 typedef void (*mpo_sysvmsg_cleanup_t)(struct label *msglabel);
496 typedef void (*mpo_sysvmsg_create_t)(struct ucred *cred,
497 struct msqid_kernel *msqkptr, struct label *msqlabel,
498 struct msg *msgptr, struct label *msglabel);
499 typedef void (*mpo_sysvmsg_destroy_label_t)(struct label *label);
500 typedef void (*mpo_sysvmsg_init_label_t)(struct label *label);
501
502 typedef int (*mpo_sysvmsq_check_msgmsq_t)(struct ucred *cred,
503 struct msg *msgptr, struct label *msglabel,
504 struct msqid_kernel *msqkptr, struct label *msqklabel);
505 typedef int (*mpo_sysvmsq_check_msgrcv_t)(struct ucred *cred,
506 struct msg *msgptr, struct label *msglabel);
507 typedef int (*mpo_sysvmsq_check_msgrmid_t)(struct ucred *cred,
508 struct msg *msgptr, struct label *msglabel);
509 typedef int (*mpo_sysvmsq_check_msqget_t)(struct ucred *cred,
510 struct msqid_kernel *msqkptr, struct label *msqklabel);
511 typedef int (*mpo_sysvmsq_check_msqctl_t)(struct ucred *cred,
512 struct msqid_kernel *msqkptr, struct label *msqklabel,
513 int cmd);
514 typedef int (*mpo_sysvmsq_check_msqrcv_t)(struct ucred *cred,
515 struct msqid_kernel *msqkptr, struct label *msqklabel);
516 typedef int (*mpo_sysvmsq_check_msqsnd_t)(struct ucred *cred,
517 struct msqid_kernel *msqkptr, struct label *msqklabel);
518 typedef void (*mpo_sysvmsq_cleanup_t)(struct label *msqlabel);
519 typedef void (*mpo_sysvmsq_create_t)(struct ucred *cred,
520 struct msqid_kernel *msqkptr, struct label *msqlabel);
521 typedef void (*mpo_sysvmsq_destroy_label_t)(struct label *label);
522 typedef void (*mpo_sysvmsq_init_label_t)(struct label *label);
523
524 typedef int (*mpo_sysvsem_check_semctl_t)(struct ucred *cred,
525 struct semid_kernel *semakptr, struct label *semaklabel,
526 int cmd);
527 typedef int (*mpo_sysvsem_check_semget_t)(struct ucred *cred,
528 struct semid_kernel *semakptr, struct label *semaklabel);
529 typedef int (*mpo_sysvsem_check_semop_t)(struct ucred *cred,
530 struct semid_kernel *semakptr, struct label *semaklabel,
531 size_t accesstype);
532 typedef void (*mpo_sysvsem_cleanup_t)(struct label *semalabel);
533 typedef void (*mpo_sysvsem_create_t)(struct ucred *cred,
534 struct semid_kernel *semakptr, struct label *semalabel);
535 typedef void (*mpo_sysvsem_destroy_label_t)(struct label *label);
536 typedef void (*mpo_sysvsem_init_label_t)(struct label *label);
537
538 typedef int (*mpo_sysvshm_check_shmat_t)(struct ucred *cred,
539 struct shmid_kernel *shmsegptr,
540 struct label *shmseglabel, int shmflg);
541 typedef int (*mpo_sysvshm_check_shmctl_t)(struct ucred *cred,
542 struct shmid_kernel *shmsegptr,
543 struct label *shmseglabel, int cmd);
544 typedef int (*mpo_sysvshm_check_shmdt_t)(struct ucred *cred,
545 struct shmid_kernel *shmsegptr,
546 struct label *shmseglabel);
547 typedef int (*mpo_sysvshm_check_shmget_t)(struct ucred *cred,
548 struct shmid_kernel *shmsegptr,
549 struct label *shmseglabel, int shmflg);
550 typedef void (*mpo_sysvshm_cleanup_t)(struct label *shmlabel);
551 typedef void (*mpo_sysvshm_create_t)(struct ucred *cred,
552 struct shmid_kernel *shmsegptr, struct label *shmlabel);
553 typedef void (*mpo_sysvshm_destroy_label_t)(struct label *label);
554 typedef void (*mpo_sysvshm_init_label_t)(struct label *label);
555
556 typedef void (*mpo_thread_userret_t)(struct thread *thread);
557
558 typedef int (*mpo_vnode_associate_extattr_t)(struct mount *mp,
559 struct label *mplabel, struct vnode *vp,
560 struct label *vplabel);
561 typedef void (*mpo_vnode_associate_singlelabel_t)(struct mount *mp,
562 struct label *mplabel, struct vnode *vp,
563 struct label *vplabel);
564 typedef int (*mpo_vnode_check_access_t)(struct ucred *cred,
565 struct vnode *vp, struct label *vplabel,
566 accmode_t accmode);
567 typedef int (*mpo_vnode_check_chdir_t)(struct ucred *cred,
568 struct vnode *dvp, struct label *dvplabel);
569 typedef int (*mpo_vnode_check_chroot_t)(struct ucred *cred,
570 struct vnode *dvp, struct label *dvplabel);
571 typedef int (*mpo_vnode_check_create_t)(struct ucred *cred,
572 struct vnode *dvp, struct label *dvplabel,
573 struct componentname *cnp, struct vattr *vap);
574 typedef int (*mpo_vnode_check_deleteacl_t)(struct ucred *cred,
575 struct vnode *vp, struct label *vplabel,
576 acl_type_t type);
577 typedef int (*mpo_vnode_check_deleteextattr_t)(struct ucred *cred,
578 struct vnode *vp, struct label *vplabel,
579 int attrnamespace, const char *name);
580 typedef int (*mpo_vnode_check_exec_t)(struct ucred *cred,
581 struct vnode *vp, struct label *vplabel,
582 struct image_params *imgp, struct label *execlabel);
583 typedef int (*mpo_vnode_check_getacl_t)(struct ucred *cred,
584 struct vnode *vp, struct label *vplabel,
585 acl_type_t type);
586 typedef int (*mpo_vnode_check_getextattr_t)(struct ucred *cred,
587 struct vnode *vp, struct label *vplabel,
588 int attrnamespace, const char *name);
589 typedef int (*mpo_vnode_check_link_t)(struct ucred *cred,
590 struct vnode *dvp, struct label *dvplabel,
591 struct vnode *vp, struct label *vplabel,
592 struct componentname *cnp);
593 typedef int (*mpo_vnode_check_listextattr_t)(struct ucred *cred,
594 struct vnode *vp, struct label *vplabel,
595 int attrnamespace);
596 typedef int (*mpo_vnode_check_lookup_t)(struct ucred *cred,
597 struct vnode *dvp, struct label *dvplabel,
598 struct componentname *cnp);
599 typedef int (*mpo_vnode_check_mmap_t)(struct ucred *cred,
600 struct vnode *vp, struct label *label, int prot,
601 int flags);
602 typedef void (*mpo_vnode_check_mmap_downgrade_t)(struct ucred *cred,
603 struct vnode *vp, struct label *vplabel, int *prot);
604 typedef int (*mpo_vnode_check_mprotect_t)(struct ucred *cred,
605 struct vnode *vp, struct label *vplabel, int prot);
606 typedef int (*mpo_vnode_check_open_t)(struct ucred *cred,
607 struct vnode *vp, struct label *vplabel,
608 accmode_t accmode);
609 typedef int (*mpo_vnode_check_poll_t)(struct ucred *active_cred,
610 struct ucred *file_cred, struct vnode *vp,
611 struct label *vplabel);
612 typedef int (*mpo_vnode_check_read_t)(struct ucred *active_cred,
613 struct ucred *file_cred, struct vnode *vp,
614 struct label *vplabel);
615 typedef int (*mpo_vnode_check_readdir_t)(struct ucred *cred,
616 struct vnode *dvp, struct label *dvplabel);
617 typedef int (*mpo_vnode_check_readlink_t)(struct ucred *cred,
618 struct vnode *vp, struct label *vplabel);
619 typedef int (*mpo_vnode_check_relabel_t)(struct ucred *cred,
620 struct vnode *vp, struct label *vplabel,
621 struct label *newlabel);
622 typedef int (*mpo_vnode_check_rename_from_t)(struct ucred *cred,
623 struct vnode *dvp, struct label *dvplabel,
624 struct vnode *vp, struct label *vplabel,
625 struct componentname *cnp);
626 typedef int (*mpo_vnode_check_rename_to_t)(struct ucred *cred,
627 struct vnode *dvp, struct label *dvplabel,
628 struct vnode *vp, struct label *vplabel, int samedir,
629 struct componentname *cnp);
630 typedef int (*mpo_vnode_check_revoke_t)(struct ucred *cred,
631 struct vnode *vp, struct label *vplabel);
632 typedef int (*mpo_vnode_check_setacl_t)(struct ucred *cred,
633 struct vnode *vp, struct label *vplabel, acl_type_t type,
634 struct acl *acl);
635 typedef int (*mpo_vnode_check_setextattr_t)(struct ucred *cred,
636 struct vnode *vp, struct label *vplabel,
637 int attrnamespace, const char *name);
638 typedef int (*mpo_vnode_check_setflags_t)(struct ucred *cred,
639 struct vnode *vp, struct label *vplabel, u_long flags);
640 typedef int (*mpo_vnode_check_setmode_t)(struct ucred *cred,
641 struct vnode *vp, struct label *vplabel, mode_t mode);
642 typedef int (*mpo_vnode_check_setowner_t)(struct ucred *cred,
643 struct vnode *vp, struct label *vplabel, uid_t uid,
644 gid_t gid);
645 typedef int (*mpo_vnode_check_setutimes_t)(struct ucred *cred,
646 struct vnode *vp, struct label *vplabel,
647 struct timespec atime, struct timespec mtime);
648 typedef int (*mpo_vnode_check_stat_t)(struct ucred *active_cred,
649 struct ucred *file_cred, struct vnode *vp,
650 struct label *vplabel);
651 typedef int (*mpo_vnode_check_unlink_t)(struct ucred *cred,
652 struct vnode *dvp, struct label *dvplabel,
653 struct vnode *vp, struct label *vplabel,
654 struct componentname *cnp);
655 typedef int (*mpo_vnode_check_write_t)(struct ucred *active_cred,
656 struct ucred *file_cred, struct vnode *vp,
657 struct label *vplabel);
658 typedef void (*mpo_vnode_copy_label_t)(struct label *src,
659 struct label *dest);
660 typedef int (*mpo_vnode_create_extattr_t)(struct ucred *cred,
661 struct mount *mp, struct label *mplabel,
662 struct vnode *dvp, struct label *dvplabel,
663 struct vnode *vp, struct label *vplabel,
664 struct componentname *cnp);
665 typedef void (*mpo_vnode_destroy_label_t)(struct label *label);
666 typedef void (*mpo_vnode_execve_transition_t)(struct ucred *old,
667 struct ucred *new, struct vnode *vp,
668 struct label *vplabel, struct label *interpvplabel,
669 struct image_params *imgp, struct label *execlabel);
670 typedef int (*mpo_vnode_execve_will_transition_t)(struct ucred *old,
671 struct vnode *vp, struct label *vplabel,
672 struct label *interpvplabel, struct image_params *imgp,
673 struct label *execlabel);
674 typedef int (*mpo_vnode_externalize_label_t)(struct label *label,
675 char *element_name, struct sbuf *sb, int *claimed);
676 typedef void (*mpo_vnode_init_label_t)(struct label *label);
677 typedef int (*mpo_vnode_internalize_label_t)(struct label *label,
678 char *element_name, char *element_data, int *claimed);
679 typedef void (*mpo_vnode_relabel_t)(struct ucred *cred, struct vnode *vp,
680 struct label *vplabel, struct label *label);
681 typedef int (*mpo_vnode_setlabel_extattr_t)(struct ucred *cred,
682 struct vnode *vp, struct label *vplabel,
683 struct label *intlabel);
684
685 struct mac_policy_ops {
686 /*
687 * Policy module operations.
688 */
689 mpo_destroy_t mpo_destroy;
690 mpo_init_t mpo_init;
691
692 /*
693 * General policy-directed security system call so that policies may
694 * implement new services without reserving explicit system call
695 * numbers.
696 */
697 mpo_syscall_t mpo_syscall;
698
699 /*
700 * Label operations. Initialize label storage, destroy label
701 * storage, recycle for re-use without init/destroy, copy a label to
702 * initialized storage, and externalize/internalize from/to
703 * initialized storage.
704 */
705 mpo_bpfdesc_check_receive_t mpo_bpfdesc_check_receive;
706 mpo_bpfdesc_create_t mpo_bpfdesc_create;
707 mpo_bpfdesc_create_mbuf_t mpo_bpfdesc_create_mbuf;
708 mpo_bpfdesc_destroy_label_t mpo_bpfdesc_destroy_label;
709 mpo_bpfdesc_init_label_t mpo_bpfdesc_init_label;
710
711 mpo_cred_associate_nfsd_t mpo_cred_associate_nfsd;
712 mpo_cred_check_relabel_t mpo_cred_check_relabel;
713 mpo_cred_check_setaudit_t mpo_cred_check_setaudit;
714 mpo_cred_check_setaudit_addr_t mpo_cred_check_setaudit_addr;
715 mpo_cred_check_setauid_t mpo_cred_check_setauid;
716 mpo_cred_check_setuid_t mpo_cred_check_setuid;
717 mpo_cred_check_seteuid_t mpo_cred_check_seteuid;
718 mpo_cred_check_setgid_t mpo_cred_check_setgid;
719 mpo_cred_check_setegid_t mpo_cred_check_setegid;
720 mpo_cred_check_setgroups_t mpo_cred_check_setgroups;
721 mpo_cred_check_setreuid_t mpo_cred_check_setreuid;
722 mpo_cred_check_setregid_t mpo_cred_check_setregid;
723 mpo_cred_check_setresuid_t mpo_cred_check_setresuid;
724 mpo_cred_check_setresgid_t mpo_cred_check_setresgid;
725 mpo_cred_check_visible_t mpo_cred_check_visible;
726 mpo_cred_copy_label_t mpo_cred_copy_label;
727 mpo_cred_create_swapper_t mpo_cred_create_swapper;
728 mpo_cred_create_init_t mpo_cred_create_init;
729 mpo_cred_destroy_label_t mpo_cred_destroy_label;
730 mpo_cred_externalize_label_t mpo_cred_externalize_label;
731 mpo_cred_init_label_t mpo_cred_init_label;
732 mpo_cred_internalize_label_t mpo_cred_internalize_label;
733 mpo_cred_relabel_t mpo_cred_relabel;
734
735 mpo_ddb_command_register_t mpo_ddb_command_register;
736 mpo_ddb_command_exec_t mpo_ddb_command_exec;
737
738 mpo_devfs_create_device_t mpo_devfs_create_device;
739 mpo_devfs_create_directory_t mpo_devfs_create_directory;
740 mpo_devfs_create_symlink_t mpo_devfs_create_symlink;
741 mpo_devfs_destroy_label_t mpo_devfs_destroy_label;
742 mpo_devfs_init_label_t mpo_devfs_init_label;
743 mpo_devfs_update_t mpo_devfs_update;
744 mpo_devfs_vnode_associate_t mpo_devfs_vnode_associate;
745
746 mpo_ifnet_check_relabel_t mpo_ifnet_check_relabel;
747 mpo_ifnet_check_transmit_t mpo_ifnet_check_transmit;
748 mpo_ifnet_copy_label_t mpo_ifnet_copy_label;
749 mpo_ifnet_create_t mpo_ifnet_create;
750 mpo_ifnet_create_mbuf_t mpo_ifnet_create_mbuf;
751 mpo_ifnet_destroy_label_t mpo_ifnet_destroy_label;
752 mpo_ifnet_externalize_label_t mpo_ifnet_externalize_label;
753 mpo_ifnet_init_label_t mpo_ifnet_init_label;
754 mpo_ifnet_internalize_label_t mpo_ifnet_internalize_label;
755 mpo_ifnet_relabel_t mpo_ifnet_relabel;
756
757 mpo_inpcb_check_deliver_t mpo_inpcb_check_deliver;
758 mpo_inpcb_check_visible_t mpo_inpcb_check_visible;
759 mpo_inpcb_create_t mpo_inpcb_create;
760 mpo_inpcb_create_mbuf_t mpo_inpcb_create_mbuf;
761 mpo_inpcb_destroy_label_t mpo_inpcb_destroy_label;
762 mpo_inpcb_init_label_t mpo_inpcb_init_label;
763 mpo_inpcb_sosetlabel_t mpo_inpcb_sosetlabel;
764
765 mpo_ip6q_create_t mpo_ip6q_create;
766 mpo_ip6q_destroy_label_t mpo_ip6q_destroy_label;
767 mpo_ip6q_init_label_t mpo_ip6q_init_label;
768 mpo_ip6q_match_t mpo_ip6q_match;
769 mpo_ip6q_reassemble mpo_ip6q_reassemble;
770 mpo_ip6q_update_t mpo_ip6q_update;
771
772 mpo_ipq_create_t mpo_ipq_create;
773 mpo_ipq_destroy_label_t mpo_ipq_destroy_label;
774 mpo_ipq_init_label_t mpo_ipq_init_label;
775 mpo_ipq_match_t mpo_ipq_match;
776 mpo_ipq_reassemble mpo_ipq_reassemble;
777 mpo_ipq_update_t mpo_ipq_update;
778
779 mpo_kdb_check_backend_t mpo_kdb_check_backend;
780
781 mpo_kenv_check_dump_t mpo_kenv_check_dump;
782 mpo_kenv_check_get_t mpo_kenv_check_get;
783 mpo_kenv_check_set_t mpo_kenv_check_set;
784 mpo_kenv_check_unset_t mpo_kenv_check_unset;
785
786 mpo_kld_check_load_t mpo_kld_check_load;
787 mpo_kld_check_stat_t mpo_kld_check_stat;
788
789 mpo_mbuf_copy_label_t mpo_mbuf_copy_label;
790 mpo_mbuf_destroy_label_t mpo_mbuf_destroy_label;
791 mpo_mbuf_init_label_t mpo_mbuf_init_label;
792
793 mpo_mount_check_stat_t mpo_mount_check_stat;
794 mpo_mount_create_t mpo_mount_create;
795 mpo_mount_destroy_label_t mpo_mount_destroy_label;
796 mpo_mount_init_label_t mpo_mount_init_label;
797
798 mpo_netinet_arp_send_t mpo_netinet_arp_send;
799 mpo_netinet_firewall_reply_t mpo_netinet_firewall_reply;
800 mpo_netinet_firewall_send_t mpo_netinet_firewall_send;
801 mpo_netinet_fragment_t mpo_netinet_fragment;
802 mpo_netinet_icmp_reply_t mpo_netinet_icmp_reply;
803 mpo_netinet_icmp_replyinplace_t mpo_netinet_icmp_replyinplace;
804 mpo_netinet_igmp_send_t mpo_netinet_igmp_send;
805 mpo_netinet_tcp_reply_t mpo_netinet_tcp_reply;
806
807 mpo_netinet6_nd6_send_t mpo_netinet6_nd6_send;
808
809 mpo_pipe_check_ioctl_t mpo_pipe_check_ioctl;
810 mpo_pipe_check_poll_t mpo_pipe_check_poll;
811 mpo_pipe_check_read_t mpo_pipe_check_read;
812 mpo_pipe_check_relabel_t mpo_pipe_check_relabel;
813 mpo_pipe_check_stat_t mpo_pipe_check_stat;
814 mpo_pipe_check_write_t mpo_pipe_check_write;
815 mpo_pipe_copy_label_t mpo_pipe_copy_label;
816 mpo_pipe_create_t mpo_pipe_create;
817 mpo_pipe_destroy_label_t mpo_pipe_destroy_label;
818 mpo_pipe_externalize_label_t mpo_pipe_externalize_label;
819 mpo_pipe_init_label_t mpo_pipe_init_label;
820 mpo_pipe_internalize_label_t mpo_pipe_internalize_label;
821 mpo_pipe_relabel_t mpo_pipe_relabel;
822
823 mpo_posixsem_check_getvalue_t mpo_posixsem_check_getvalue;
824 mpo_posixsem_check_open_t mpo_posixsem_check_open;
825 mpo_posixsem_check_post_t mpo_posixsem_check_post;
826 mpo_posixsem_check_setmode_t mpo_posixsem_check_setmode;
827 mpo_posixsem_check_setowner_t mpo_posixsem_check_setowner;
828 mpo_posixsem_check_stat_t mpo_posixsem_check_stat;
829 mpo_posixsem_check_unlink_t mpo_posixsem_check_unlink;
830 mpo_posixsem_check_wait_t mpo_posixsem_check_wait;
831 mpo_posixsem_create_t mpo_posixsem_create;
832 mpo_posixsem_destroy_label_t mpo_posixsem_destroy_label;
833 mpo_posixsem_init_label_t mpo_posixsem_init_label;
834
835 mpo_posixshm_check_create_t mpo_posixshm_check_create;
836 mpo_posixshm_check_mmap_t mpo_posixshm_check_mmap;
837 mpo_posixshm_check_open_t mpo_posixshm_check_open;
838 mpo_posixshm_check_read_t mpo_posixshm_check_read;
839 mpo_posixshm_check_setmode_t mpo_posixshm_check_setmode;
840 mpo_posixshm_check_setowner_t mpo_posixshm_check_setowner;
841 mpo_posixshm_check_stat_t mpo_posixshm_check_stat;
842 mpo_posixshm_check_truncate_t mpo_posixshm_check_truncate;
843 mpo_posixshm_check_unlink_t mpo_posixshm_check_unlink;
844 mpo_posixshm_check_write_t mpo_posixshm_check_write;
845 mpo_posixshm_create_t mpo_posixshm_create;
846 mpo_posixshm_destroy_label_t mpo_posixshm_destroy_label;
847 mpo_posixshm_init_label_t mpo_posixshm_init_label;
848
849 mpo_priv_check_t mpo_priv_check;
850 mpo_priv_grant_t mpo_priv_grant;
851
852 mpo_proc_check_debug_t mpo_proc_check_debug;
853 mpo_proc_check_sched_t mpo_proc_check_sched;
854 mpo_proc_check_signal_t mpo_proc_check_signal;
855 mpo_proc_check_wait_t mpo_proc_check_wait;
856 mpo_proc_destroy_label_t mpo_proc_destroy_label;
857 mpo_proc_init_label_t mpo_proc_init_label;
858
859 mpo_socket_check_accept_t mpo_socket_check_accept;
860 mpo_socket_check_bind_t mpo_socket_check_bind;
861 mpo_socket_check_connect_t mpo_socket_check_connect;
862 mpo_socket_check_create_t mpo_socket_check_create;
863 mpo_socket_check_deliver_t mpo_socket_check_deliver;
864 mpo_socket_check_listen_t mpo_socket_check_listen;
865 mpo_socket_check_poll_t mpo_socket_check_poll;
866 mpo_socket_check_receive_t mpo_socket_check_receive;
867 mpo_socket_check_relabel_t mpo_socket_check_relabel;
868 mpo_socket_check_send_t mpo_socket_check_send;
869 mpo_socket_check_stat_t mpo_socket_check_stat;
870 mpo_socket_check_visible_t mpo_socket_check_visible;
871 mpo_socket_copy_label_t mpo_socket_copy_label;
872 mpo_socket_create_t mpo_socket_create;
873 mpo_socket_create_mbuf_t mpo_socket_create_mbuf;
874 mpo_socket_destroy_label_t mpo_socket_destroy_label;
875 mpo_socket_externalize_label_t mpo_socket_externalize_label;
876 mpo_socket_init_label_t mpo_socket_init_label;
877 mpo_socket_internalize_label_t mpo_socket_internalize_label;
878 mpo_socket_newconn_t mpo_socket_newconn;
879 mpo_socket_relabel_t mpo_socket_relabel;
880
881 mpo_socketpeer_destroy_label_t mpo_socketpeer_destroy_label;
882 mpo_socketpeer_externalize_label_t mpo_socketpeer_externalize_label;
883 mpo_socketpeer_init_label_t mpo_socketpeer_init_label;
884 mpo_socketpeer_set_from_mbuf_t mpo_socketpeer_set_from_mbuf;
885 mpo_socketpeer_set_from_socket_t mpo_socketpeer_set_from_socket;
886
887 mpo_syncache_init_label_t mpo_syncache_init_label;
888 mpo_syncache_destroy_label_t mpo_syncache_destroy_label;
889 mpo_syncache_create_t mpo_syncache_create;
890 mpo_syncache_create_mbuf_t mpo_syncache_create_mbuf;
891
892 mpo_system_check_acct_t mpo_system_check_acct;
893 mpo_system_check_audit_t mpo_system_check_audit;
894 mpo_system_check_auditctl_t mpo_system_check_auditctl;
895 mpo_system_check_auditon_t mpo_system_check_auditon;
896 mpo_system_check_reboot_t mpo_system_check_reboot;
897 mpo_system_check_swapon_t mpo_system_check_swapon;
898 mpo_system_check_swapoff_t mpo_system_check_swapoff;
899 mpo_system_check_sysctl_t mpo_system_check_sysctl;
900
901 mpo_sysvmsg_cleanup_t mpo_sysvmsg_cleanup;
902 mpo_sysvmsg_create_t mpo_sysvmsg_create;
903 mpo_sysvmsg_destroy_label_t mpo_sysvmsg_destroy_label;
904 mpo_sysvmsg_init_label_t mpo_sysvmsg_init_label;
905
906 mpo_sysvmsq_check_msgmsq_t mpo_sysvmsq_check_msgmsq;
907 mpo_sysvmsq_check_msgrcv_t mpo_sysvmsq_check_msgrcv;
908 mpo_sysvmsq_check_msgrmid_t mpo_sysvmsq_check_msgrmid;
909 mpo_sysvmsq_check_msqctl_t mpo_sysvmsq_check_msqctl;
910 mpo_sysvmsq_check_msqget_t mpo_sysvmsq_check_msqget;
911 mpo_sysvmsq_check_msqrcv_t mpo_sysvmsq_check_msqrcv;
912 mpo_sysvmsq_check_msqsnd_t mpo_sysvmsq_check_msqsnd;
913 mpo_sysvmsq_cleanup_t mpo_sysvmsq_cleanup;
914 mpo_sysvmsq_create_t mpo_sysvmsq_create;
915 mpo_sysvmsq_destroy_label_t mpo_sysvmsq_destroy_label;
916 mpo_sysvmsq_init_label_t mpo_sysvmsq_init_label;
917
918 mpo_sysvsem_check_semctl_t mpo_sysvsem_check_semctl;
919 mpo_sysvsem_check_semget_t mpo_sysvsem_check_semget;
920 mpo_sysvsem_check_semop_t mpo_sysvsem_check_semop;
921 mpo_sysvsem_cleanup_t mpo_sysvsem_cleanup;
922 mpo_sysvsem_create_t mpo_sysvsem_create;
923 mpo_sysvsem_destroy_label_t mpo_sysvsem_destroy_label;
924 mpo_sysvsem_init_label_t mpo_sysvsem_init_label;
925
926 mpo_sysvshm_check_shmat_t mpo_sysvshm_check_shmat;
927 mpo_sysvshm_check_shmctl_t mpo_sysvshm_check_shmctl;
928 mpo_sysvshm_check_shmdt_t mpo_sysvshm_check_shmdt;
929 mpo_sysvshm_check_shmget_t mpo_sysvshm_check_shmget;
930 mpo_sysvshm_cleanup_t mpo_sysvshm_cleanup;
931 mpo_sysvshm_create_t mpo_sysvshm_create;
932 mpo_sysvshm_destroy_label_t mpo_sysvshm_destroy_label;
933 mpo_sysvshm_init_label_t mpo_sysvshm_init_label;
934
935 mpo_thread_userret_t mpo_thread_userret;
936
937 mpo_vnode_check_access_t mpo_vnode_check_access;
938 mpo_vnode_check_chdir_t mpo_vnode_check_chdir;
939 mpo_vnode_check_chroot_t mpo_vnode_check_chroot;
940 mpo_vnode_check_create_t mpo_vnode_check_create;
941 mpo_vnode_check_deleteacl_t mpo_vnode_check_deleteacl;
942 mpo_vnode_check_deleteextattr_t mpo_vnode_check_deleteextattr;
943 mpo_vnode_check_exec_t mpo_vnode_check_exec;
944 mpo_vnode_check_getacl_t mpo_vnode_check_getacl;
945 mpo_vnode_check_getextattr_t mpo_vnode_check_getextattr;
946 mpo_vnode_check_link_t mpo_vnode_check_link;
947 mpo_vnode_check_listextattr_t mpo_vnode_check_listextattr;
948 mpo_vnode_check_lookup_t mpo_vnode_check_lookup;
949 mpo_vnode_check_mmap_t mpo_vnode_check_mmap;
950 mpo_vnode_check_mmap_downgrade_t mpo_vnode_check_mmap_downgrade;
951 mpo_vnode_check_mprotect_t mpo_vnode_check_mprotect;
952 mpo_vnode_check_open_t mpo_vnode_check_open;
953 mpo_vnode_check_poll_t mpo_vnode_check_poll;
954 mpo_vnode_check_read_t mpo_vnode_check_read;
955 mpo_vnode_check_readdir_t mpo_vnode_check_readdir;
956 mpo_vnode_check_readlink_t mpo_vnode_check_readlink;
957 mpo_vnode_check_relabel_t mpo_vnode_check_relabel;
958 mpo_vnode_check_rename_from_t mpo_vnode_check_rename_from;
959 mpo_vnode_check_rename_to_t mpo_vnode_check_rename_to;
960 mpo_vnode_check_revoke_t mpo_vnode_check_revoke;
961 mpo_vnode_check_setacl_t mpo_vnode_check_setacl;
962 mpo_vnode_check_setextattr_t mpo_vnode_check_setextattr;
963 mpo_vnode_check_setflags_t mpo_vnode_check_setflags;
964 mpo_vnode_check_setmode_t mpo_vnode_check_setmode;
965 mpo_vnode_check_setowner_t mpo_vnode_check_setowner;
966 mpo_vnode_check_setutimes_t mpo_vnode_check_setutimes;
967 mpo_vnode_check_stat_t mpo_vnode_check_stat;
968 mpo_vnode_check_unlink_t mpo_vnode_check_unlink;
969 mpo_vnode_check_write_t mpo_vnode_check_write;
970 mpo_vnode_associate_extattr_t mpo_vnode_associate_extattr;
971 mpo_vnode_associate_singlelabel_t mpo_vnode_associate_singlelabel;
972 mpo_vnode_destroy_label_t mpo_vnode_destroy_label;
973 mpo_vnode_copy_label_t mpo_vnode_copy_label;
974 mpo_vnode_create_extattr_t mpo_vnode_create_extattr;
975 mpo_vnode_execve_transition_t mpo_vnode_execve_transition;
976 mpo_vnode_execve_will_transition_t mpo_vnode_execve_will_transition;
977 mpo_vnode_externalize_label_t mpo_vnode_externalize_label;
978 mpo_vnode_init_label_t mpo_vnode_init_label;
979 mpo_vnode_internalize_label_t mpo_vnode_internalize_label;
980 mpo_vnode_relabel_t mpo_vnode_relabel;
981 mpo_vnode_setlabel_extattr_t mpo_vnode_setlabel_extattr;
982 };
983
984 /*
985 * struct mac_policy_conf is the registration structure for policies, and is
986 * provided to the MAC Framework using MAC_POLICY_SET() to invoke a SYSINIT
987 * to register the policy. In general, the fields are immutable, with the
988 * exception of the "security field", run-time flags, and policy list entry,
989 * which are managed by the MAC Framework. Be careful when modifying this
990 * structure, as its layout is statically compiled into all policies.
991 */
992 struct mac_policy_conf {
993 char *mpc_name; /* policy name */
994 char *mpc_fullname; /* policy full name */
995 struct mac_policy_ops *mpc_ops; /* policy operations */
996 int mpc_loadtime_flags; /* flags */
997 int *mpc_field_off; /* security field */
998 int mpc_runtime_flags; /* flags */
999 int _mpc_spare1; /* Spare. */
1000 uint64_t _mpc_spare2; /* Spare. */
1001 uint64_t _mpc_spare3; /* Spare. */
1002 void *_mpc_spare4; /* Spare. */
1003 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */
1004 };
1005
1006 /* Flags for the mpc_loadtime_flags field. */
1007 #define MPC_LOADTIME_FLAG_NOTLATE 0x00000001
1008 #define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002
1009
1010 /* Flags for the mpc_runtime_flags field. */
1011 #define MPC_RUNTIME_FLAG_REGISTERED 0x00000001
1012
1013 /*-
1014 * The TrustedBSD MAC Framework has a major version number, MAC_VERSION,
1015 * which defines the ABI of the Framework present in the kernel (and depended
1016 * on by policy modules compiled against that kernel). Currently,
1017 * MAC_POLICY_SET() requires that the kernel and module ABI version numbers
1018 * exactly match. The following major versions have been defined to date:
1019 *
1020 * MAC version FreeBSD versions
1021 * 1 5.x
1022 * 2 6.x
1023 * 3 7.x
1024 * 4 8.x
1025 * 5 14.x
1026 */
1027 #define MAC_VERSION 5
1028
1029 #define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \
1030 static struct mac_policy_conf mpname##_mac_policy_conf = { \
1031 .mpc_name = #mpname, \
1032 .mpc_fullname = mpfullname, \
1033 .mpc_ops = mpops, \
1034 .mpc_loadtime_flags = mpflags, \
1035 .mpc_field_off = privdata_wanted, \
1036 }; \
1037 static moduledata_t mpname##_mod = { \
1038 #mpname, \
1039 mac_policy_modevent, \
1040 &mpname##_mac_policy_conf \
1041 }; \
1042 MODULE_DEPEND(mpname, kernel_mac_support, MAC_VERSION, \
1043 MAC_VERSION, MAC_VERSION); \
1044 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \
1045 SI_ORDER_MIDDLE)
1046
1047 int mac_policy_modevent(module_t mod, int type, void *data);
1048
1049 /*
1050 * Policy interface to map a struct label pointer to per-policy data.
1051 * Typically, policies wrap this in their own accessor macro that casts a
1052 * uintptr_t to a policy-specific data type.
1053 */
1054 intptr_t mac_label_get(struct label *l, int slot);
1055 void mac_label_set(struct label *l, int slot, intptr_t v);
1056
1057 #endif /* !_SECURITY_MAC_MAC_POLICY_H_ */
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