FreeBSD/Linux Kernel Cross Reference
sys/sys/mac.h
1 /*-
2 * Copyright (c) 1999-2002 Robert N. M. Watson
3 * Copyright (c) 2001-2005 Networks Associates Technology, Inc.
4 * Copyright (c) 2005 SPARTA, Inc.
5 * All rights reserved.
6 *
7 * This software was developed by Robert Watson for the TrustedBSD Project.
8 *
9 * This software was developed for the FreeBSD Project in part by Network
10 * Associates Laboratories, the Security Research Division of Network
11 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
12 * as part of the DARPA CHATS research program.
13 *
14 * This software was enhanced by SPARTA ISSO under SPAWAR contract
15 * N66001-04-C-6019 ("SEFOS").
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions
19 * are met:
20 * 1. Redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer.
22 * 2. Redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * $FreeBSD$
39 */
40 /*
41 * Userland/kernel interface for Mandatory Access Control.
42 *
43 * The POSIX.1e implementation page may be reached at:
44 * http://www.trustedbsd.org/
45 */
46
47 #ifndef _SYS_MAC_H_
48 #define _SYS_MAC_H_
49
50 #include <sys/_label.h>
51
52 #ifndef _POSIX_MAC
53 #define _POSIX_MAC
54 #endif
55
56 /*
57 * MAC framework-related constants and limits.
58 */
59 #define MAC_MAX_POLICY_NAME 32
60 #define MAC_MAX_LABEL_ELEMENT_NAME 32
61 #define MAC_MAX_LABEL_ELEMENT_DATA 4096
62 #define MAC_MAX_LABEL_BUF_LEN 8192
63
64 struct mac {
65 size_t m_buflen;
66 char *m_string;
67 };
68
69 typedef struct mac *mac_t;
70
71 #ifndef _KERNEL
72
73 /*
74 * Location of the userland MAC framework configuration file. mac.conf
75 * binds policy names to shared libraries that understand those policies,
76 * as well as setting defaults for MAC-aware applications.
77 */
78 #define MAC_CONFFILE "/etc/mac.conf"
79
80 /*
81 * Extended non-POSIX.1e interfaces that offer additional services
82 * available from the userland and kernel MAC frameworks.
83 */
84 __BEGIN_DECLS
85 int mac_execve(char *fname, char **argv, char **envv, mac_t _label);
86 int mac_free(mac_t _label);
87 int mac_from_text(mac_t *_label, const char *_text);
88 int mac_get_fd(int _fd, mac_t _label);
89 int mac_get_file(const char *_path, mac_t _label);
90 int mac_get_link(const char *_path, mac_t _label);
91 int mac_get_peer(int _fd, mac_t _label);
92 int mac_get_pid(pid_t _pid, mac_t _label);
93 int mac_get_proc(mac_t _label);
94 int mac_is_present(const char *_policyname);
95 int mac_prepare(mac_t *_label, const char *_elements);
96 int mac_prepare_file_label(mac_t *_label);
97 int mac_prepare_ifnet_label(mac_t *_label);
98 int mac_prepare_process_label(mac_t *_label);
99 int mac_prepare_type(mac_t *_label, const char *_type);
100 int mac_set_fd(int _fildes, const mac_t _label);
101 int mac_set_file(const char *_path, mac_t _label);
102 int mac_set_link(const char *_path, mac_t _label);
103 int mac_set_proc(const mac_t _label);
104 int mac_syscall(const char *_policyname, int _call, void *_arg);
105 int mac_to_text(mac_t mac, char **_text);
106 __END_DECLS
107
108 #else /* _KERNEL */
109
110 /*
111 * Kernel functions to manage and evaluate labels.
112 */
113 struct bpf_d;
114 struct cdev;
115 struct componentname;
116 struct devfs_dirent;
117 struct ifnet;
118 struct ifreq;
119 struct inpcb;
120 struct image_params;
121 struct inpcb;
122 struct ipq;
123 struct ksem;
124 struct m_tag;
125 struct mbuf;
126 struct mount;
127 struct msg;
128 struct msqid_kernel;
129 struct proc;
130 struct semid_kernel;
131 struct shmid_kernel;
132 struct sockaddr;
133 struct socket;
134 struct sysctl_oid;
135 struct sysctl_req;
136 struct pipepair;
137 struct thread;
138 struct timespec;
139 struct ucred;
140 struct uio;
141 struct vattr;
142 struct vnode;
143
144 #include <sys/acl.h> /* XXX acl_type_t */
145
146 struct vop_setlabel_args;
147
148 /*
149 * Label operations.
150 */
151 void mac_init_bpfdesc(struct bpf_d *);
152 void mac_init_cred(struct ucred *);
153 void mac_init_devfsdirent(struct devfs_dirent *);
154 void mac_init_ifnet(struct ifnet *);
155 int mac_init_inpcb(struct inpcb *, int flag);
156 void mac_init_sysv_msgmsg(struct msg *);
157 void mac_init_sysv_msgqueue(struct msqid_kernel*);
158 void mac_init_sysv_sem(struct semid_kernel*);
159 void mac_init_sysv_shm(struct shmid_kernel*);
160 int mac_init_ipq(struct ipq *, int flag);
161 int mac_init_socket(struct socket *, int flag);
162 void mac_init_pipe(struct pipepair *);
163 void mac_init_posix_sem(struct ksem *);
164 int mac_init_mbuf(struct mbuf *mbuf, int flag);
165 int mac_init_mbuf_tag(struct m_tag *, int flag);
166 void mac_init_mount(struct mount *);
167 void mac_init_proc(struct proc *);
168 void mac_init_vnode(struct vnode *);
169 void mac_copy_mbuf(struct mbuf *m_from, struct mbuf *m_to);
170 void mac_copy_mbuf_tag(struct m_tag *, struct m_tag *);
171 void mac_copy_vnode_label(struct label *, struct label *label);
172 void mac_destroy_bpfdesc(struct bpf_d *);
173 void mac_destroy_cred(struct ucred *);
174 void mac_destroy_devfsdirent(struct devfs_dirent *);
175 void mac_destroy_ifnet(struct ifnet *);
176 void mac_destroy_inpcb(struct inpcb *);
177 void mac_destroy_sysv_msgmsg(struct msg *);
178 void mac_destroy_sysv_msgqueue(struct msqid_kernel *);
179 void mac_destroy_sysv_sem(struct semid_kernel *);
180 void mac_destroy_sysv_shm(struct shmid_kernel *);
181 void mac_destroy_ipq(struct ipq *);
182 void mac_destroy_socket(struct socket *);
183 void mac_destroy_pipe(struct pipepair *);
184 void mac_destroy_posix_sem(struct ksem *);
185 void mac_destroy_proc(struct proc *);
186 void mac_destroy_mbuf_tag(struct m_tag *);
187 void mac_destroy_mount(struct mount *);
188 void mac_destroy_vnode(struct vnode *);
189
190 struct label *mac_cred_label_alloc(void);
191 void mac_cred_label_free(struct label *label);
192 struct label *mac_vnode_label_alloc(void);
193 void mac_vnode_label_free(struct label *label);
194
195 /*
196 * Labeling event operations: file system objects, and things that
197 * look a lot like file system objects.
198 */
199 void mac_associate_vnode_devfs(struct mount *mp, struct devfs_dirent *de,
200 struct vnode *vp);
201 int mac_associate_vnode_extattr(struct mount *mp, struct vnode *vp);
202 void mac_associate_vnode_singlelabel(struct mount *mp, struct vnode *vp);
203 void mac_create_devfs_device(struct ucred *cred, struct mount *mp,
204 struct cdev *dev, struct devfs_dirent *de);
205 void mac_create_devfs_directory(struct mount *mp, char *dirname,
206 int dirnamelen, struct devfs_dirent *de);
207 void mac_create_devfs_symlink(struct ucred *cred, struct mount *mp,
208 struct devfs_dirent *dd, struct devfs_dirent *de);
209 int mac_create_vnode_extattr(struct ucred *cred, struct mount *mp,
210 struct vnode *dvp, struct vnode *vp, struct componentname *cnp);
211 void mac_create_mount(struct ucred *cred, struct mount *mp);
212 void mac_relabel_vnode(struct ucred *cred, struct vnode *vp,
213 struct label *newlabel);
214 void mac_update_devfsdirent(struct mount *mp, struct devfs_dirent *de,
215 struct vnode *vp);
216
217 /*
218 * Labeling event operations: IPC objects.
219 */
220 void mac_create_mbuf_from_socket(struct socket *so, struct mbuf *m);
221 void mac_create_socket(struct ucred *cred, struct socket *socket);
222 void mac_create_socket_from_socket(struct socket *oldsocket,
223 struct socket *newsocket);
224 void mac_set_socket_peer_from_mbuf(struct mbuf *mbuf,
225 struct socket *socket);
226 void mac_set_socket_peer_from_socket(struct socket *oldsocket,
227 struct socket *newsocket);
228 void mac_create_pipe(struct ucred *cred, struct pipepair *pp);
229
230 /*
231 * Labeling event operations: System V IPC primitives
232 */
233 void mac_create_sysv_msgmsg(struct ucred *cred,
234 struct msqid_kernel *msqkptr, struct msg *msgptr);
235 void mac_create_sysv_msgqueue(struct ucred *cred,
236 struct msqid_kernel *msqkptr);
237 void mac_create_sysv_sem(struct ucred *cred,
238 struct semid_kernel *semakptr);
239 void mac_create_sysv_shm(struct ucred *cred,
240 struct shmid_kernel *shmsegptr);
241
242 /*
243 * Labeling event operations: POSIX (global/inter-process) semaphores.
244 */
245 void mac_create_posix_sem(struct ucred *cred, struct ksem *ksemptr);
246
247
248 /*
249 * Labeling event operations: network objects.
250 */
251 void mac_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d);
252 void mac_create_ifnet(struct ifnet *ifp);
253 void mac_create_inpcb_from_socket(struct socket *so, struct inpcb *inp);
254 void mac_create_ipq(struct mbuf *fragment, struct ipq *ipq);
255 void mac_create_datagram_from_ipq(struct ipq *ipq, struct mbuf *datagram);
256 void mac_create_fragment(struct mbuf *datagram, struct mbuf *fragment);
257 void mac_create_mbuf_from_inpcb(struct inpcb *inp, struct mbuf *m);
258 void mac_create_mbuf_linklayer(struct ifnet *ifnet, struct mbuf *m);
259 void mac_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct mbuf *m);
260 void mac_create_mbuf_from_ifnet(struct ifnet *ifnet, struct mbuf *m);
261 void mac_create_mbuf_multicast_encap(struct mbuf *oldmbuf,
262 struct ifnet *ifnet, struct mbuf *newmbuf);
263 void mac_create_mbuf_netlayer(struct mbuf *oldmbuf, struct mbuf *newmbuf);
264 int mac_fragment_match(struct mbuf *fragment, struct ipq *ipq);
265 void mac_reflect_mbuf_icmp(struct mbuf *m);
266 void mac_reflect_mbuf_tcp(struct mbuf *m);
267 void mac_update_ipq(struct mbuf *fragment, struct ipq *ipq);
268 void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp);
269
270 void mac_create_mbuf_from_firewall(struct mbuf *m);
271 /*
272 * Labeling event operations: processes.
273 */
274 void mac_copy_cred(struct ucred *cr1, struct ucred *cr2);
275 int mac_execve_enter(struct image_params *imgp, struct mac *mac_p);
276 void mac_execve_exit(struct image_params *imgp);
277 void mac_execve_transition(struct ucred *old, struct ucred *new,
278 struct vnode *vp, struct label *interpvnodelabel,
279 struct image_params *imgp);
280 int mac_execve_will_transition(struct ucred *old, struct vnode *vp,
281 struct label *interpvnodelabel, struct image_params *imgp);
282 void mac_create_proc0(struct ucred *cred);
283 void mac_create_proc1(struct ucred *cred);
284 void mac_thread_userret(struct thread *td);
285
286 /*
287 * Label cleanup operation: This is the inverse complement for the
288 * mac_create and associate type of hooks. This hook lets the policy
289 * module(s) perform a cleanup/flushing operation on the label
290 * associated with the objects, without freeing up the space allocated.
291 * This hook is useful in cases where it is desirable to remove any
292 * labeling reference when recycling any object to a pool. This hook
293 * does not replace the mac_destroy hooks.
294 */
295 void mac_cleanup_sysv_msgmsg(struct msg *msgptr);
296 void mac_cleanup_sysv_msgqueue(struct msqid_kernel *msqkptr);
297 void mac_cleanup_sysv_sem(struct semid_kernel *semakptr);
298 void mac_cleanup_sysv_shm(struct shmid_kernel *shmsegptr);
299
300 /* Access control checks. */
301 int mac_check_bpfdesc_receive(struct bpf_d *bpf_d, struct ifnet *ifnet);
302 int mac_check_cred_visible(struct ucred *u1, struct ucred *u2);
303 int mac_check_ifnet_transmit(struct ifnet *ifnet, struct mbuf *m);
304 int mac_check_inpcb_deliver(struct inpcb *inp, struct mbuf *m);
305 int mac_check_sysv_msgmsq(struct ucred *cred, struct msg *msgptr,
306 struct msqid_kernel *msqkptr);
307 int mac_check_sysv_msgrcv(struct ucred *cred, struct msg *msgptr);
308 int mac_check_sysv_msgrmid(struct ucred *cred, struct msg *msgptr);
309 int mac_check_sysv_msqget(struct ucred *cred,
310 struct msqid_kernel *msqkptr);
311 int mac_check_sysv_msqsnd(struct ucred *cred,
312 struct msqid_kernel *msqkptr);
313 int mac_check_sysv_msqrcv(struct ucred *cred,
314 struct msqid_kernel *msqkptr);
315 int mac_check_sysv_msqctl(struct ucred *cred,
316 struct msqid_kernel *msqkptr, int cmd);
317 int mac_check_sysv_semctl(struct ucred *cred,
318 struct semid_kernel *semakptr, int cmd);
319 int mac_check_sysv_semget(struct ucred *cred,
320 struct semid_kernel *semakptr);
321 int mac_check_sysv_semop(struct ucred *cred,struct semid_kernel *semakptr,
322 size_t accesstype);
323 int mac_check_sysv_shmat(struct ucred *cred,
324 struct shmid_kernel *shmsegptr, int shmflg);
325 int mac_check_sysv_shmctl(struct ucred *cred,
326 struct shmid_kernel *shmsegptr, int cmd);
327 int mac_check_sysv_shmdt(struct ucred *cred,
328 struct shmid_kernel *shmsegptr);
329 int mac_check_sysv_shmget(struct ucred *cred,
330 struct shmid_kernel *shmsegptr, int shmflg);
331 int mac_check_kenv_dump(struct ucred *cred);
332 int mac_check_kenv_get(struct ucred *cred, char *name);
333 int mac_check_kenv_set(struct ucred *cred, char *name, char *value);
334 int mac_check_kenv_unset(struct ucred *cred, char *name);
335 int mac_check_kld_load(struct ucred *cred, struct vnode *vp);
336 int mac_check_kld_stat(struct ucred *cred);
337 int mac_check_kld_unload(struct ucred *cred);
338 int mac_check_mount_stat(struct ucred *cred, struct mount *mp);
339 int mac_check_pipe_ioctl(struct ucred *cred, struct pipepair *pp,
340 unsigned long cmd, void *data);
341 int mac_check_pipe_poll(struct ucred *cred, struct pipepair *pp);
342 int mac_check_pipe_read(struct ucred *cred, struct pipepair *pp);
343 int mac_check_pipe_stat(struct ucred *cred, struct pipepair *pp);
344 int mac_check_pipe_write(struct ucred *cred, struct pipepair *pp);
345 int mac_check_posix_sem_destroy(struct ucred *cred, struct ksem *ksemptr);
346 int mac_check_posix_sem_getvalue(struct ucred *cred,struct ksem *ksemptr);
347 int mac_check_posix_sem_open(struct ucred *cred, struct ksem *ksemptr);
348 int mac_check_posix_sem_post(struct ucred *cred, struct ksem *ksemptr);
349 int mac_check_posix_sem_unlink(struct ucred *cred, struct ksem *ksemptr);
350 int mac_check_posix_sem_wait(struct ucred *cred, struct ksem *ksemptr);
351 int mac_check_proc_debug(struct ucred *cred, struct proc *proc);
352 int mac_check_proc_sched(struct ucred *cred, struct proc *proc);
353 int mac_check_proc_setuid(struct proc *proc, struct ucred *cred,
354 uid_t uid);
355 int mac_check_proc_seteuid(struct proc *proc, struct ucred *cred,
356 uid_t euid);
357 int mac_check_proc_setgid(struct proc *proc, struct ucred *cred,
358 gid_t gid);
359 int mac_check_proc_setegid(struct proc *proc, struct ucred *cred,
360 gid_t egid);
361 int mac_check_proc_setgroups(struct proc *proc, struct ucred *cred,
362 int ngroups, gid_t *gidset);
363 int mac_check_proc_setreuid(struct proc *proc, struct ucred *cred,
364 uid_t ruid, uid_t euid);
365 int mac_check_proc_setregid(struct proc *proc, struct ucred *cred,
366 gid_t rgid, gid_t egid);
367 int mac_check_proc_setresuid(struct proc *proc, struct ucred *cred,
368 uid_t ruid, uid_t euid, uid_t suid);
369 int mac_check_proc_setresgid(struct proc *proc, struct ucred *cred,
370 gid_t rgid, gid_t egid, gid_t sgid);
371 int mac_check_proc_signal(struct ucred *cred, struct proc *proc,
372 int signum);
373 int mac_check_proc_wait(struct ucred *cred, struct proc *proc);
374 int mac_check_socket_accept(struct ucred *cred, struct socket *so);
375 int mac_check_socket_bind(struct ucred *cred, struct socket *so,
376 struct sockaddr *sockaddr);
377 int mac_check_socket_connect(struct ucred *cred, struct socket *so,
378 struct sockaddr *sockaddr);
379 int mac_check_socket_create(struct ucred *cred, int domain, int type,
380 int protocol);
381 int mac_check_socket_deliver(struct socket *so, struct mbuf *m);
382 int mac_check_socket_listen(struct ucred *cred, struct socket *so);
383 int mac_check_socket_poll(struct ucred *cred, struct socket *so);
384 int mac_check_socket_receive(struct ucred *cred, struct socket *so);
385 int mac_check_socket_send(struct ucred *cred, struct socket *so);
386 int mac_check_socket_stat(struct ucred *cred, struct socket *so);
387 int mac_check_socket_visible(struct ucred *cred, struct socket *so);
388 int mac_check_sysarch_ioperm(struct ucred *cred);
389 int mac_check_system_acct(struct ucred *cred, struct vnode *vp);
390 int mac_check_system_nfsd(struct ucred *cred);
391 int mac_check_system_reboot(struct ucred *cred, int howto);
392 int mac_check_system_settime(struct ucred *cred);
393 int mac_check_system_swapon(struct ucred *cred, struct vnode *vp);
394 int mac_check_system_swapoff(struct ucred *cred, struct vnode *vp);
395 int mac_check_system_sysctl(struct ucred *cred, struct sysctl_oid *oidp,
396 void *arg1, int arg2, struct sysctl_req *req);
397 int mac_check_vnode_access(struct ucred *cred, struct vnode *vp,
398 int acc_mode);
399 int mac_check_vnode_chdir(struct ucred *cred, struct vnode *dvp);
400 int mac_check_vnode_chroot(struct ucred *cred, struct vnode *dvp);
401 int mac_check_vnode_create(struct ucred *cred, struct vnode *dvp,
402 struct componentname *cnp, struct vattr *vap);
403 int mac_check_vnode_delete(struct ucred *cred, struct vnode *dvp,
404 struct vnode *vp, struct componentname *cnp);
405 int mac_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp,
406 acl_type_t type);
407 int mac_check_vnode_deleteextattr(struct ucred *cred, struct vnode *vp,
408 int attrnamespace, const char *name);
409 int mac_check_vnode_exec(struct ucred *cred, struct vnode *vp,
410 struct image_params *imgp);
411 int mac_check_vnode_getacl(struct ucred *cred, struct vnode *vp,
412 acl_type_t type);
413 int mac_check_vnode_getextattr(struct ucred *cred, struct vnode *vp,
414 int attrnamespace, const char *name, struct uio *uio);
415 int mac_check_vnode_link(struct ucred *cred, struct vnode *dvp,
416 struct vnode *vp, struct componentname *cnp);
417 int mac_check_vnode_listextattr(struct ucred *cred, struct vnode *vp,
418 int attrnamespace);
419 int mac_check_vnode_lookup(struct ucred *cred, struct vnode *dvp,
420 struct componentname *cnp);
421 int mac_check_vnode_mmap(struct ucred *cred, struct vnode *vp,
422 int prot, int flags);
423 int mac_check_vnode_mprotect(struct ucred *cred, struct vnode *vp,
424 int prot);
425 int mac_check_vnode_open(struct ucred *cred, struct vnode *vp,
426 int acc_mode);
427 int mac_check_vnode_poll(struct ucred *active_cred,
428 struct ucred *file_cred, struct vnode *vp);
429 int mac_check_vnode_read(struct ucred *active_cred,
430 struct ucred *file_cred, struct vnode *vp);
431 int mac_check_vnode_readdir(struct ucred *cred, struct vnode *vp);
432 int mac_check_vnode_readlink(struct ucred *cred, struct vnode *vp);
433 int mac_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp,
434 struct vnode *vp, struct componentname *cnp);
435 int mac_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp,
436 struct vnode *vp, int samedir, struct componentname *cnp);
437 int mac_check_vnode_revoke(struct ucred *cred, struct vnode *vp);
438 int mac_check_vnode_setacl(struct ucred *cred, struct vnode *vp,
439 acl_type_t type, struct acl *acl);
440 int mac_check_vnode_setextattr(struct ucred *cred, struct vnode *vp,
441 int attrnamespace, const char *name, struct uio *uio);
442 int mac_check_vnode_setflags(struct ucred *cred, struct vnode *vp,
443 u_long flags);
444 int mac_check_vnode_setmode(struct ucred *cred, struct vnode *vp,
445 mode_t mode);
446 int mac_check_vnode_setowner(struct ucred *cred, struct vnode *vp,
447 uid_t uid, gid_t gid);
448 int mac_check_vnode_setutimes(struct ucred *cred, struct vnode *vp,
449 struct timespec atime, struct timespec mtime);
450 int mac_check_vnode_stat(struct ucred *active_cred,
451 struct ucred *file_cred, struct vnode *vp);
452 int mac_check_vnode_write(struct ucred *active_cred,
453 struct ucred *file_cred, struct vnode *vp);
454 int mac_getsockopt_label(struct ucred *cred, struct socket *so,
455 struct mac *extmac);
456 int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so,
457 struct mac *extmac);
458 int mac_ioctl_ifnet_get(struct ucred *cred, struct ifreq *ifr,
459 struct ifnet *ifnet);
460 int mac_ioctl_ifnet_set(struct ucred *cred, struct ifreq *ifr,
461 struct ifnet *ifnet);
462 int mac_setsockopt_label(struct ucred *cred, struct socket *so,
463 struct mac *extmac);
464 int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp,
465 struct label *label);
466 void mac_cred_mmapped_drop_perms(struct thread *td, struct ucred *cred);
467 void mac_associate_nfsd_label(struct ucred *cred);
468
469 /*
470 * Calls to help various file systems implement labeling functionality
471 * using their existing EA implementation.
472 */
473 int vop_stdsetlabel_ea(struct vop_setlabel_args *ap);
474
475 #endif /* !_KERNEL */
476
477 #endif /* !_SYS_MAC_H_ */
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