2 * Copyright (c) 1999-2002 Robert N. M. Watson
3 * Copyright (c) 2001-2005 Networks Associates Technology, Inc.
6 * This software was developed by Robert Watson for the TrustedBSD Project.
8 * This software was developed for the FreeBSD Project in part by Network
9 * Associates Laboratories, the Security Research Division of Network
10 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
11 * as part of the DARPA CHATS research program.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * Kernel interface for MAC policy modules.
39 #ifndef _SYS_MAC_POLICY_H_
40 #define _SYS_MAC_POLICY_H_
43 * Pluggable access control policy definition structure.
45 * List of operations that are performed as part of the implementation
46 * of a MAC policy. Policy implementors declare operations with a
47 * mac_policy_ops structure, and using the MAC_POLICY_SET() macro.
48 * If an entry point is not declared, then then the policy will be ignored
49 * during evaluation of that event or check.
51 * Operations are sorted first by general class of operation, then
63 struct mac_policy_conf;
81 struct mac_policy_ops {
83 * Policy module operations.
85 void (*mpo_destroy)(struct mac_policy_conf *mpc);
86 void (*mpo_init)(struct mac_policy_conf *mpc);
89 * General policy-directed security system call so that policies may
90 * implement new services without reserving explicit system call
93 int (*mpo_syscall)(struct thread *td, int call, void *arg);
96 * Label operations. Initialize label storage, destroy label
97 * storage, recycle for re-use without init/destroy, copy a label to
98 * initialized storage, and externalize/internalize from/to
99 * initialized storage.
101 void (*mpo_init_bpfdesc_label)(struct label *label);
102 void (*mpo_init_cred_label)(struct label *label);
103 void (*mpo_init_devfsdirent_label)(struct label *label);
104 void (*mpo_init_ifnet_label)(struct label *label);
105 int (*mpo_init_inpcb_label)(struct label *label, int flag);
106 void (*mpo_init_sysv_msgmsg_label)(struct label *label);
107 void (*mpo_init_sysv_msgqueue_label)(struct label *label);
108 void (*mpo_init_sysv_sema_label)(struct label *label);
109 void (*mpo_init_sysv_shm_label)(struct label *label);
110 int (*mpo_init_ipq_label)(struct label *label, int flag);
111 int (*mpo_init_mbuf_label)(struct label *label, int flag);
112 void (*mpo_init_mount_label)(struct label *label);
113 void (*mpo_init_mount_fs_label)(struct label *label);
114 int (*mpo_init_socket_label)(struct label *label, int flag);
115 int (*mpo_init_socket_peer_label)(struct label *label, int flag);
116 void (*mpo_init_pipe_label)(struct label *label);
117 void (*mpo_init_proc_label)(struct label *label);
118 void (*mpo_init_vnode_label)(struct label *label);
119 void (*mpo_destroy_bpfdesc_label)(struct label *label);
120 void (*mpo_destroy_cred_label)(struct label *label);
121 void (*mpo_destroy_devfsdirent_label)(struct label *label);
122 void (*mpo_destroy_ifnet_label)(struct label *label);
123 void (*mpo_destroy_inpcb_label)(struct label *label);
124 void (*mpo_destroy_sysv_msgmsg_label)(struct label *label);
125 void (*mpo_destroy_sysv_msgqueue_label)(struct label *label);
126 void (*mpo_destroy_sysv_sema_label)(struct label *label);
127 void (*mpo_destroy_sysv_shm_label)(struct label *label);
128 void (*mpo_destroy_ipq_label)(struct label *label);
129 void (*mpo_destroy_mbuf_label)(struct label *label);
130 void (*mpo_destroy_mount_label)(struct label *label);
131 void (*mpo_destroy_mount_fs_label)(struct label *label);
132 void (*mpo_destroy_socket_label)(struct label *label);
133 void (*mpo_destroy_socket_peer_label)(struct label *label);
134 void (*mpo_destroy_pipe_label)(struct label *label);
135 void (*mpo_destroy_proc_label)(struct label *label);
136 void (*mpo_destroy_vnode_label)(struct label *label);
137 void (*mpo_cleanup_sysv_msgmsg)(struct label *msglabel);
138 void (*mpo_cleanup_sysv_msgqueue)(struct label *msqlabel);
139 void (*mpo_cleanup_sysv_sema)(struct label *semalabel);
140 void (*mpo_cleanup_sysv_shm)(struct label *shmlabel);
141 void (*mpo_copy_cred_label)(struct label *src,
143 void (*mpo_copy_ifnet_label)(struct label *src,
145 void (*mpo_copy_mbuf_label)(struct label *src,
147 void (*mpo_copy_pipe_label)(struct label *src,
149 void (*mpo_copy_socket_label)(struct label *src,
151 void (*mpo_copy_vnode_label)(struct label *src,
153 int (*mpo_externalize_cred_label)(struct label *label,
154 char *element_name, struct sbuf *sb, int *claimed);
155 int (*mpo_externalize_ifnet_label)(struct label *label,
156 char *element_name, struct sbuf *sb, int *claimed);
157 int (*mpo_externalize_pipe_label)(struct label *label,
158 char *element_name, struct sbuf *sb, int *claimed);
159 int (*mpo_externalize_socket_label)(struct label *label,
160 char *element_name, struct sbuf *sb, int *claimed);
161 int (*mpo_externalize_socket_peer_label)(struct label *label,
162 char *element_name, struct sbuf *sb, int *claimed);
163 int (*mpo_externalize_vnode_label)(struct label *label,
164 char *element_name, struct sbuf *sb, int *claimed);
165 int (*mpo_internalize_cred_label)(struct label *label,
166 char *element_name, char *element_data, int *claimed);
167 int (*mpo_internalize_ifnet_label)(struct label *label,
168 char *element_name, char *element_data, int *claimed);
169 int (*mpo_internalize_pipe_label)(struct label *label,
170 char *element_name, char *element_data, int *claimed);
171 int (*mpo_internalize_socket_label)(struct label *label,
172 char *element_name, char *element_data, int *claimed);
173 int (*mpo_internalize_vnode_label)(struct label *label,
174 char *element_name, char *element_data, int *claimed);
177 * Labeling event operations: file system objects, and things that
178 * look a lot like file system objects.
180 void (*mpo_associate_vnode_devfs)(struct mount *mp,
181 struct label *fslabel, struct devfs_dirent *de,
182 struct label *delabel, struct vnode *vp,
183 struct label *vlabel);
184 int (*mpo_associate_vnode_extattr)(struct mount *mp,
185 struct label *fslabel, struct vnode *vp,
186 struct label *vlabel);
187 void (*mpo_associate_vnode_singlelabel)(struct mount *mp,
188 struct label *fslabel, struct vnode *vp,
189 struct label *vlabel);
190 void (*mpo_create_devfs_device)(struct mount *mp, struct cdev *dev,
191 struct devfs_dirent *de, struct label *label);
192 void (*mpo_create_devfs_directory)(struct mount *mp, char *dirname,
193 int dirnamelen, struct devfs_dirent *de,
194 struct label *label);
195 void (*mpo_create_devfs_symlink)(struct ucred *cred,
196 struct mount *mp, struct devfs_dirent *dd,
197 struct label *ddlabel, struct devfs_dirent *de,
198 struct label *delabel);
199 int (*mpo_create_vnode_extattr)(struct ucred *cred,
200 struct mount *mp, struct label *fslabel,
201 struct vnode *dvp, struct label *dlabel,
202 struct vnode *vp, struct label *vlabel,
203 struct componentname *cnp);
204 void (*mpo_create_mount)(struct ucred *cred, struct mount *mp,
205 struct label *mntlabel, struct label *fslabel);
206 void (*mpo_create_root_mount)(struct ucred *cred, struct mount *mp,
207 struct label *mountlabel, struct label *fslabel);
208 void (*mpo_relabel_vnode)(struct ucred *cred, struct vnode *vp,
209 struct label *vnodelabel, struct label *label);
210 int (*mpo_setlabel_vnode_extattr)(struct ucred *cred,
211 struct vnode *vp, struct label *vlabel,
212 struct label *intlabel);
213 void (*mpo_update_devfsdirent)(struct mount *mp,
214 struct devfs_dirent *devfs_dirent,
215 struct label *direntlabel, struct vnode *vp,
216 struct label *vnodelabel);
219 * Labeling event operations: IPC objects.
221 void (*mpo_create_mbuf_from_socket)(struct socket *so,
222 struct label *socketlabel, struct mbuf *m,
223 struct label *mbuflabel);
224 void (*mpo_create_socket)(struct ucred *cred, struct socket *so,
225 struct label *socketlabel);
226 void (*mpo_create_socket_from_socket)(struct socket *oldsocket,
227 struct label *oldsocketlabel, struct socket *newsocket,
228 struct label *newsocketlabel);
229 void (*mpo_relabel_socket)(struct ucred *cred, struct socket *so,
230 struct label *oldlabel, struct label *newlabel);
231 void (*mpo_relabel_pipe)(struct ucred *cred, struct pipepair *pp,
232 struct label *oldlabel, struct label *newlabel);
233 void (*mpo_set_socket_peer_from_mbuf)(struct mbuf *mbuf,
234 struct label *mbuflabel, struct socket *so,
235 struct label *socketpeerlabel);
236 void (*mpo_set_socket_peer_from_socket)(struct socket *oldsocket,
237 struct label *oldsocketlabel, struct socket *newsocket,
238 struct label *newsocketpeerlabel);
239 void (*mpo_create_pipe)(struct ucred *cred, struct pipepair *pp,
240 struct label *pipelabel);
243 * Labeling event operations: System V IPC primitives.
245 void (*mpo_create_sysv_msgmsg)(struct ucred *cred,
246 struct msqid_kernel *msqkptr, struct label *msqlabel,
247 struct msg *msgptr, struct label *msglabel);
248 void (*mpo_create_sysv_msgqueue)(struct ucred *cred,
249 struct msqid_kernel *msqkptr, struct label *msqlabel);
250 void (*mpo_create_sysv_sema)(struct ucred *cred,
251 struct semid_kernel *semakptr, struct label *semalabel);
252 void (*mpo_create_sysv_shm)(struct ucred *cred,
253 struct shmid_kernel *shmsegptr, struct label *shmlabel);
256 * Labeling event operations: network objects.
258 void (*mpo_create_bpfdesc)(struct ucred *cred, struct bpf_d *bpf_d,
259 struct label *bpflabel);
260 void (*mpo_create_ifnet)(struct ifnet *ifnet,
261 struct label *ifnetlabel);
262 void (*mpo_create_inpcb_from_socket)(struct socket *so,
263 struct label *solabel, struct inpcb *inp,
264 struct label *inplabel);
265 void (*mpo_create_ipq)(struct mbuf *fragment,
266 struct label *fragmentlabel, struct ipq *ipq,
267 struct label *ipqlabel);
268 void (*mpo_create_datagram_from_ipq)
269 (struct ipq *ipq, struct label *ipqlabel,
270 struct mbuf *datagram, struct label *datagramlabel);
271 void (*mpo_create_fragment)(struct mbuf *datagram,
272 struct label *datagramlabel, struct mbuf *fragment,
273 struct label *fragmentlabel);
274 void (*mpo_create_mbuf_from_inpcb)(struct inpcb *inp,
275 struct label *inplabel, struct mbuf *m,
276 struct label *mlabel);
277 void (*mpo_create_mbuf_from_mbuf)(struct mbuf *oldmbuf,
278 struct label *oldlabel, struct mbuf *newmbuf,
279 struct label *newlabel);
280 void (*mpo_create_mbuf_linklayer)(struct ifnet *ifnet,
281 struct label *ifnetlabel, struct mbuf *mbuf,
282 struct label *mbuflabel);
283 void (*mpo_create_mbuf_from_bpfdesc)(struct bpf_d *bpf_d,
284 struct label *bpflabel, struct mbuf *mbuf,
285 struct label *mbuflabel);
286 void (*mpo_create_mbuf_from_ifnet)(struct ifnet *ifnet,
287 struct label *ifnetlabel, struct mbuf *mbuf,
288 struct label *mbuflabel);
289 void (*mpo_create_mbuf_multicast_encap)(struct mbuf *oldmbuf,
290 struct label *oldmbuflabel, struct ifnet *ifnet,
291 struct label *ifnetlabel, struct mbuf *newmbuf,
292 struct label *newmbuflabel);
293 void (*mpo_create_mbuf_netlayer)(struct mbuf *oldmbuf,
294 struct label *oldmbuflabel, struct mbuf *newmbuf,
295 struct label *newmbuflabel);
296 int (*mpo_fragment_match)(struct mbuf *fragment,
297 struct label *fragmentlabel, struct ipq *ipq,
298 struct label *ipqlabel);
299 void (*mpo_reflect_mbuf_icmp)(struct mbuf *m,
300 struct label *mlabel);
301 void (*mpo_reflect_mbuf_tcp)(struct mbuf *m, struct label *mlabel);
302 void (*mpo_relabel_ifnet)(struct ucred *cred, struct ifnet *ifnet,
303 struct label *ifnetlabel, struct label *newlabel);
304 void (*mpo_update_ipq)(struct mbuf *fragment,
305 struct label *fragmentlabel, struct ipq *ipq,
306 struct label *ipqlabel);
307 void (*mpo_inpcb_sosetlabel)(struct socket *so,
308 struct label *label, struct inpcb *inp,
309 struct label *inplabel);
312 * Labeling event operations: processes.
314 void (*mpo_execve_transition)(struct ucred *old, struct ucred *new,
315 struct vnode *vp, struct label *vnodelabel,
316 struct label *interpvnodelabel,
317 struct image_params *imgp, struct label *execlabel);
318 int (*mpo_execve_will_transition)(struct ucred *old,
319 struct vnode *vp, struct label *vnodelabel,
320 struct label *interpvnodelabel,
321 struct image_params *imgp, struct label *execlabel);
322 void (*mpo_create_proc0)(struct ucred *cred);
323 void (*mpo_create_proc1)(struct ucred *cred);
324 void (*mpo_relabel_cred)(struct ucred *cred,
325 struct label *newlabel);
326 void (*mpo_thread_userret)(struct thread *thread);
329 * Access control checks.
331 int (*mpo_check_bpfdesc_receive)(struct bpf_d *bpf_d,
332 struct label *bpflabel, struct ifnet *ifnet,
333 struct label *ifnetlabel);
334 int (*mpo_check_cred_relabel)(struct ucred *cred,
335 struct label *newlabel);
336 int (*mpo_check_cred_visible)(struct ucred *u1, struct ucred *u2);
337 int (*mpo_check_ifnet_relabel)(struct ucred *cred,
338 struct ifnet *ifnet, struct label *ifnetlabel,
339 struct label *newlabel);
340 int (*mpo_check_ifnet_transmit)(struct ifnet *ifnet,
341 struct label *ifnetlabel, struct mbuf *m,
342 struct label *mbuflabel);
343 int (*mpo_check_inpcb_deliver)(struct inpcb *inp,
344 struct label *inplabel, struct mbuf *m,
345 struct label *mlabel);
346 int (*mpo_check_sysv_msgmsq)(struct ucred *cred,
347 struct msg *msgptr, struct label *msglabel,
348 struct msqid_kernel *msqkptr, struct label *msqklabel);
349 int (*mpo_check_sysv_msgrcv)(struct ucred *cred,
350 struct msg *msgptr, struct label *msglabel);
351 int (*mpo_check_sysv_msgrmid)(struct ucred *cred,
352 struct msg *msgptr, struct label *msglabel);
353 int (*mpo_check_sysv_msqget)(struct ucred *cred,
354 struct msqid_kernel *msqkptr, struct label *msqklabel);
355 int (*mpo_check_sysv_msqsnd)(struct ucred *cred,
356 struct msqid_kernel *msqkptr, struct label *msqklabel);
357 int (*mpo_check_sysv_msqrcv)(struct ucred *cred,
358 struct msqid_kernel *msqkptr, struct label *msqklabel);
359 int (*mpo_check_sysv_msqctl)(struct ucred *cred,
360 struct msqid_kernel *msqkptr, struct label *msqklabel,
362 int (*mpo_check_sysv_semctl)(struct ucred *cred,
363 struct semid_kernel *semakptr, struct label *semaklabel,
365 int (*mpo_check_sysv_semget)(struct ucred *cred,
366 struct semid_kernel *semakptr, struct label *semaklabel);
367 int (*mpo_check_sysv_semop)(struct ucred *cred,
368 struct semid_kernel *semakptr, struct label *semaklabel,
370 int (*mpo_check_sysv_shmat)(struct ucred *cred,
371 struct shmid_kernel *shmsegptr,
372 struct label *shmseglabel, int shmflg);
373 int (*mpo_check_sysv_shmctl)(struct ucred *cred,
374 struct shmid_kernel *shmsegptr,
375 struct label *shmseglabel, int cmd);
376 int (*mpo_check_sysv_shmdt)(struct ucred *cred,
377 struct shmid_kernel *shmsegptr,
378 struct label *shmseglabel);
379 int (*mpo_check_sysv_shmget)(struct ucred *cred,
380 struct shmid_kernel *shmsegptr,
381 struct label *shmseglabel, int shmflg);
382 int (*mpo_check_kenv_dump)(struct ucred *cred);
383 int (*mpo_check_kenv_get)(struct ucred *cred, char *name);
384 int (*mpo_check_kenv_set)(struct ucred *cred, char *name,
386 int (*mpo_check_kenv_unset)(struct ucred *cred, char *name);
387 int (*mpo_check_kld_load)(struct ucred *cred, struct vnode *vp,
388 struct label *vlabel);
389 int (*mpo_check_kld_stat)(struct ucred *cred);
390 int (*mpo_check_kld_unload)(struct ucred *cred);
391 int (*mpo_check_mount_stat)(struct ucred *cred, struct mount *mp,
392 struct label *mntlabel);
393 int (*mpo_check_pipe_ioctl)(struct ucred *cred,
394 struct pipepair *pp, struct label *pipelabel,
395 unsigned long cmd, void *data);
396 int (*mpo_check_pipe_poll)(struct ucred *cred,
397 struct pipepair *pp, struct label *pipelabel);
398 int (*mpo_check_pipe_read)(struct ucred *cred,
399 struct pipepair *pp, struct label *pipelabel);
400 int (*mpo_check_pipe_relabel)(struct ucred *cred,
401 struct pipepair *pp, struct label *pipelabel,
402 struct label *newlabel);
403 int (*mpo_check_pipe_stat)(struct ucred *cred,
404 struct pipepair *pp, struct label *pipelabel);
405 int (*mpo_check_pipe_write)(struct ucred *cred,
406 struct pipepair *pp, struct label *pipelabel);
407 int (*mpo_check_proc_debug)(struct ucred *cred,
409 int (*mpo_check_proc_sched)(struct ucred *cred,
411 int (*mpo_check_proc_setuid)(struct ucred *cred, uid_t uid);
412 int (*mpo_check_proc_seteuid)(struct ucred *cred, uid_t euid);
413 int (*mpo_check_proc_setgid)(struct ucred *cred, gid_t gid);
414 int (*mpo_check_proc_setegid)(struct ucred *cred, gid_t egid);
415 int (*mpo_check_proc_setgroups)(struct ucred *cred, int ngroups,
417 int (*mpo_check_proc_setreuid)(struct ucred *cred, uid_t ruid,
419 int (*mpo_check_proc_setregid)(struct ucred *cred, gid_t rgid,
421 int (*mpo_check_proc_setresuid)(struct ucred *cred, uid_t ruid,
422 uid_t euid, uid_t suid);
423 int (*mpo_check_proc_setresgid)(struct ucred *cred, gid_t rgid,
424 gid_t egid, gid_t sgid);
425 int (*mpo_check_proc_signal)(struct ucred *cred,
426 struct proc *proc, int signum);
427 int (*mpo_check_proc_wait)(struct ucred *cred,
429 int (*mpo_check_socket_accept)(struct ucred *cred,
430 struct socket *so, struct label *socketlabel);
431 int (*mpo_check_socket_bind)(struct ucred *cred,
432 struct socket *so, struct label *socketlabel,
433 struct sockaddr *sockaddr);
434 int (*mpo_check_socket_connect)(struct ucred *cred,
435 struct socket *so, struct label *socketlabel,
436 struct sockaddr *sockaddr);
437 int (*mpo_check_socket_deliver)(struct socket *so,
438 struct label *socketlabel, struct mbuf *m,
439 struct label *mbuflabel);
440 int (*mpo_check_socket_listen)(struct ucred *cred,
441 struct socket *so, struct label *socketlabel);
442 int (*mpo_check_socket_poll)(struct ucred *cred,
443 struct socket *so, struct label *socketlabel);
444 int (*mpo_check_socket_receive)(struct ucred *cred,
445 struct socket *so, struct label *socketlabel);
446 int (*mpo_check_socket_relabel)(struct ucred *cred,
447 struct socket *so, struct label *socketlabel,
448 struct label *newlabel);
449 int (*mpo_check_socket_send)(struct ucred *cred,
450 struct socket *so, struct label *socketlabel);
451 int (*mpo_check_socket_stat)(struct ucred *cred,
452 struct socket *so, struct label *socketlabel);
453 int (*mpo_check_socket_visible)(struct ucred *cred,
454 struct socket *so, struct label *socketlabel);
455 int (*mpo_check_sysarch_ioperm)(struct ucred *cred);
456 int (*mpo_check_system_acct)(struct ucred *cred,
457 struct vnode *vp, struct label *vlabel);
458 int (*mpo_check_system_nfsd)(struct ucred *cred);
459 int (*mpo_check_system_reboot)(struct ucred *cred, int howto);
460 int (*mpo_check_system_settime)(struct ucred *cred);
461 int (*mpo_check_system_swapon)(struct ucred *cred,
462 struct vnode *vp, struct label *label);
463 int (*mpo_check_system_swapoff)(struct ucred *cred,
464 struct vnode *vp, struct label *label);
465 int (*mpo_check_system_sysctl)(struct ucred *cred,
466 struct sysctl_oid *oidp, void *arg1, int arg2,
467 struct sysctl_req *req);
468 int (*mpo_check_vnode_access)(struct ucred *cred,
469 struct vnode *vp, struct label *label, int acc_mode);
470 int (*mpo_check_vnode_chdir)(struct ucred *cred,
471 struct vnode *dvp, struct label *dlabel);
472 int (*mpo_check_vnode_chroot)(struct ucred *cred,
473 struct vnode *dvp, struct label *dlabel);
474 int (*mpo_check_vnode_create)(struct ucred *cred,
475 struct vnode *dvp, struct label *dlabel,
476 struct componentname *cnp, struct vattr *vap);
477 int (*mpo_check_vnode_delete)(struct ucred *cred,
478 struct vnode *dvp, struct label *dlabel,
479 struct vnode *vp, struct label *label,
480 struct componentname *cnp);
481 int (*mpo_check_vnode_deleteacl)(struct ucred *cred,
482 struct vnode *vp, struct label *label, acl_type_t type);
483 int (*mpo_check_vnode_deleteextattr)(struct ucred *cred,
484 struct vnode *vp, struct label *label, int attrnamespace,
486 int (*mpo_check_vnode_exec)(struct ucred *cred, struct vnode *vp,
487 struct label *label, struct image_params *imgp,
488 struct label *execlabel);
489 int (*mpo_check_vnode_getacl)(struct ucred *cred,
490 struct vnode *vp, struct label *label, acl_type_t type);
491 int (*mpo_check_vnode_getextattr)(struct ucred *cred,
492 struct vnode *vp, struct label *label, int attrnamespace,
493 const char *name, struct uio *uio);
494 int (*mpo_check_vnode_link)(struct ucred *cred, struct vnode *dvp,
495 struct label *dlabel, struct vnode *vp,
496 struct label *label, struct componentname *cnp);
497 int (*mpo_check_vnode_listextattr)(struct ucred *cred,
498 struct vnode *vp, struct label *label, int attrnamespace);
499 int (*mpo_check_vnode_lookup)(struct ucred *cred,
500 struct vnode *dvp, struct label *dlabel,
501 struct componentname *cnp);
502 int (*mpo_check_vnode_mmap)(struct ucred *cred, struct vnode *vp,
503 struct label *label, int prot, int flags);
504 void (*mpo_check_vnode_mmap_downgrade)(struct ucred *cred,
505 struct vnode *vp, struct label *label, int *prot);
506 int (*mpo_check_vnode_mprotect)(struct ucred *cred,
507 struct vnode *vp, struct label *label, int prot);
508 int (*mpo_check_vnode_open)(struct ucred *cred, struct vnode *vp,
509 struct label *label, int acc_mode);
510 int (*mpo_check_vnode_poll)(struct ucred *active_cred,
511 struct ucred *file_cred, struct vnode *vp,
512 struct label *label);
513 int (*mpo_check_vnode_read)(struct ucred *active_cred,
514 struct ucred *file_cred, struct vnode *vp,
515 struct label *label);
516 int (*mpo_check_vnode_readdir)(struct ucred *cred,
517 struct vnode *dvp, struct label *dlabel);
518 int (*mpo_check_vnode_readlink)(struct ucred *cred,
519 struct vnode *vp, struct label *label);
520 int (*mpo_check_vnode_relabel)(struct ucred *cred,
521 struct vnode *vp, struct label *vnodelabel,
522 struct label *newlabel);
523 int (*mpo_check_vnode_rename_from)(struct ucred *cred,
524 struct vnode *dvp, struct label *dlabel, struct vnode *vp,
525 struct label *label, struct componentname *cnp);
526 int (*mpo_check_vnode_rename_to)(struct ucred *cred,
527 struct vnode *dvp, struct label *dlabel, struct vnode *vp,
528 struct label *label, int samedir,
529 struct componentname *cnp);
530 int (*mpo_check_vnode_revoke)(struct ucred *cred,
531 struct vnode *vp, struct label *label);
532 int (*mpo_check_vnode_setacl)(struct ucred *cred,
533 struct vnode *vp, struct label *label, acl_type_t type,
535 int (*mpo_check_vnode_setextattr)(struct ucred *cred,
536 struct vnode *vp, struct label *label, int attrnamespace,
537 const char *name, struct uio *uio);
538 int (*mpo_check_vnode_setflags)(struct ucred *cred,
539 struct vnode *vp, struct label *label, u_long flags);
540 int (*mpo_check_vnode_setmode)(struct ucred *cred,
541 struct vnode *vp, struct label *label, mode_t mode);
542 int (*mpo_check_vnode_setowner)(struct ucred *cred,
543 struct vnode *vp, struct label *label, uid_t uid,
545 int (*mpo_check_vnode_setutimes)(struct ucred *cred,
546 struct vnode *vp, struct label *label,
547 struct timespec atime, struct timespec mtime);
548 int (*mpo_check_vnode_stat)(struct ucred *active_cred,
549 struct ucred *file_cred, struct vnode *vp,
550 struct label *label);
551 int (*mpo_check_vnode_write)(struct ucred *active_cred,
552 struct ucred *file_cred, struct vnode *vp,
553 struct label *label);
557 * struct mac_policy_conf is the registration structure for policies, and is
558 * provided to the MAC Framework using MAC_POLICY_SET() to invoke a SYSINIT
559 * to register the policy. In general, the fields are immutable, with the
560 * exception of the "security field", run-time flags, and policy list entry,
561 * which are managed by the MAC Framework. Be careful when modifying this
562 * structure, as its layout is statically compiled into all policies.
564 struct mac_policy_conf {
565 char *mpc_name; /* policy name */
566 char *mpc_fullname; /* policy full name */
567 struct mac_policy_ops *mpc_ops; /* policy operations */
568 int mpc_loadtime_flags; /* flags */
569 int *mpc_field_off; /* security field */
570 int mpc_runtime_flags; /* flags */
571 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */
574 /* Flags for the mpc_loadtime_flags field. */
575 #define MPC_LOADTIME_FLAG_NOTLATE 0x00000001
576 #define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002
577 #define MPC_LOADTIME_FLAG_LABELMBUFS 0x00000004
579 /* Flags for the mpc_runtime_flags field. */
580 #define MPC_RUNTIME_FLAG_REGISTERED 0x00000001
582 #define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \
583 static struct mac_policy_conf mpname##_mac_policy_conf = { \
591 static moduledata_t mpname##_mod = { \
593 mac_policy_modevent, \
594 &mpname##_mac_policy_conf \
596 MODULE_DEPEND(mpname, kernel_mac_support, 2, 2, 2); \
597 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \
600 int mac_policy_modevent(module_t mod, int type, void *data);
602 #define LABEL_TO_SLOT(l, s) (l)->l_perpolicy[s]
604 #endif /* !_SYS_MAC_POLICY_H_ */