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 * 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 * This software was developed at the University of Cambridge Computer
18 * Laboratory with support from a grant from Google, Inc.
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * SUCH DAMAGE.
40 *
41 * $FreeBSD$
42 */
43
44 /*
45 * Kernel interface for Mandatory Access Control -- how kernel services
46 * interact with the TrustedBSD MAC Framework.
47 */
48
49 #ifndef _SECURITY_MAC_MAC_FRAMEWORK_H_
50 #define _SECURITY_MAC_MAC_FRAMEWORK_H_
51
52 #ifndef _KERNEL
53 #error "no user-serviceable parts inside"
54 #endif
55
56 struct auditinfo;
57 struct auditinfo_addr;
58 struct bpf_d;
59 struct cdev;
60 struct componentname;
61 struct devfs_dirent;
62 struct ifnet;
63 struct ifreq;
64 struct image_params;
65 struct inpcb;
66 struct ip6q;
67 struct ipq;
68 struct ksem;
69 struct label;
70 struct m_tag;
71 struct mac;
72 struct mbuf;
73 struct mount;
74 struct msg;
75 struct msqid_kernel;
76 struct proc;
77 struct semid_kernel;
78 struct shmfd;
79 struct shmid_kernel;
80 struct sockaddr;
81 struct socket;
82 struct sysctl_oid;
83 struct sysctl_req;
84 struct pipepair;
85 struct thread;
86 struct timespec;
87 struct ucred;
88 struct vattr;
89 struct vnode;
90 struct vop_setlabel_args;
91
92 #include <sys/acl.h> /* XXX acl_type_t */
93 #include <sys/types.h> /* accmode_t */
94
95 /*
96 * Entry points to the TrustedBSD MAC Framework from the remainder of the
97 * kernel: entry points are named based on a principle object type and an
98 * action relating to it. They are sorted alphabetically first by object
99 * type and then action. In some situations, the principle object type is
100 * obvious, and in other cases, less so as multiple objects may be inolved
101 * in the operation.
102 */
103 int mac_bpfdesc_check_receive(struct bpf_d *d, struct ifnet *ifp);
104 void mac_bpfdesc_create(struct ucred *cred, struct bpf_d *d);
105 void mac_bpfdesc_create_mbuf(struct bpf_d *d, struct mbuf *m);
106 void mac_bpfdesc_destroy(struct bpf_d *);
107 void mac_bpfdesc_init(struct bpf_d *);
108
109 void mac_cred_associate_nfsd(struct ucred *cred);
110 int mac_cred_check_setaudit(struct ucred *cred, struct auditinfo *ai);
111 int mac_cred_check_setaudit_addr(struct ucred *cred,
112 struct auditinfo_addr *aia);
113 int mac_cred_check_setauid(struct ucred *cred, uid_t auid);
114 int mac_cred_check_setegid(struct ucred *cred, gid_t egid);
115 int mac_cred_check_seteuid(struct ucred *cred, uid_t euid);
116 int mac_cred_check_setgid(struct ucred *cred, gid_t gid);
117 int mac_cred_check_setgroups(struct ucred *cred, int ngroups,
118 gid_t *gidset);
119 int mac_cred_check_setregid(struct ucred *cred, gid_t rgid, gid_t egid);
120 int mac_cred_check_setresgid(struct ucred *cred, gid_t rgid, gid_t egid,
121 gid_t sgid);
122 int mac_cred_check_setresuid(struct ucred *cred, uid_t ruid, uid_t euid,
123 uid_t suid);
124 int mac_cred_check_setreuid(struct ucred *cred, uid_t ruid, uid_t euid);
125 int mac_cred_check_setuid(struct ucred *cred, uid_t uid);
126 int mac_cred_check_visible(struct ucred *cr1, struct ucred *cr2);
127 void mac_cred_copy(struct ucred *cr1, struct ucred *cr2);
128 void mac_cred_create_init(struct ucred *cred);
129 void mac_cred_create_swapper(struct ucred *cred);
130 void mac_cred_destroy(struct ucred *);
131 void mac_cred_init(struct ucred *);
132
133 void mac_devfs_create_device(struct ucred *cred, struct mount *mp,
134 struct cdev *dev, struct devfs_dirent *de);
135 void mac_devfs_create_directory(struct mount *mp, char *dirname,
136 int dirnamelen, struct devfs_dirent *de);
137 void mac_devfs_create_symlink(struct ucred *cred, struct mount *mp,
138 struct devfs_dirent *dd, struct devfs_dirent *de);
139 void mac_devfs_destroy(struct devfs_dirent *);
140 void mac_devfs_init(struct devfs_dirent *);
141 void mac_devfs_update(struct mount *mp, struct devfs_dirent *de,
142 struct vnode *vp);
143 void mac_devfs_vnode_associate(struct mount *mp, struct devfs_dirent *de,
144 struct vnode *vp);
145
146 int mac_ifnet_check_transmit_impl(struct ifnet *ifp, struct mbuf *m);
147 #ifdef MAC
148 extern bool mac_ifnet_check_transmit_fp_flag;
149 #else
150 #define mac_ifnet_check_transmit_fp_flag 0
151 #endif
152 #define mac_ifnet_check_transmit_enabled() __predict_false(mac_ifnet_check_transmit_fp_flag)
153 static inline int
154 mac_ifnet_check_transmit(struct ifnet *ifp, struct mbuf *m)
155 {
156
157 if (mac_ifnet_check_transmit_enabled())
158 return (mac_ifnet_check_transmit_impl(ifp, m));
159 return (0);
160 }
161
162 void mac_ifnet_create(struct ifnet *ifp);
163
164 void mac_ifnet_create_mbuf_impl(struct ifnet *ifp, struct mbuf *m);
165 #ifdef MAC
166 extern bool mac_ifnet_create_mbuf_fp_flag;
167 #else
168 #define mac_ifnet_create_mbuf_fp_flag 0
169 #endif
170 #define mac_ifnet_create_mbuf_enabled() __predict_false(mac_ifnet_create_mbuf_fp_flag)
171 static inline void
172 mac_ifnet_create_mbuf(struct ifnet *ifp, struct mbuf *m)
173 {
174
175 if (mac_ifnet_create_mbuf_enabled())
176 mac_ifnet_create_mbuf_impl(ifp, m);
177 }
178
179 void mac_ifnet_destroy(struct ifnet *);
180 void mac_ifnet_init(struct ifnet *);
181 int mac_ifnet_ioctl_get(struct ucred *cred, struct ifreq *ifr,
182 struct ifnet *ifp);
183 int mac_ifnet_ioctl_set(struct ucred *cred, struct ifreq *ifr,
184 struct ifnet *ifp);
185
186 int mac_inpcb_check_deliver(struct inpcb *inp, struct mbuf *m);
187 int mac_inpcb_check_visible(struct ucred *cred, struct inpcb *inp);
188 void mac_inpcb_create(struct socket *so, struct inpcb *inp);
189 void mac_inpcb_create_mbuf(struct inpcb *inp, struct mbuf *m);
190 void mac_inpcb_destroy(struct inpcb *);
191 int mac_inpcb_init(struct inpcb *, int);
192 void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp);
193
194 void mac_ip6q_create(struct mbuf *m, struct ip6q *q6);
195 void mac_ip6q_destroy(struct ip6q *q6);
196 int mac_ip6q_init(struct ip6q *q6, int);
197 int mac_ip6q_match(struct mbuf *m, struct ip6q *q6);
198 void mac_ip6q_reassemble(struct ip6q *q6, struct mbuf *m);
199 void mac_ip6q_update(struct mbuf *m, struct ip6q *q6);
200
201 void mac_ipq_create(struct mbuf *m, struct ipq *q);
202 void mac_ipq_destroy(struct ipq *q);
203 int mac_ipq_init(struct ipq *q, int);
204 int mac_ipq_match(struct mbuf *m, struct ipq *q);
205 void mac_ipq_reassemble(struct ipq *q, struct mbuf *m);
206 void mac_ipq_update(struct mbuf *m, struct ipq *q);
207
208 int mac_kenv_check_dump(struct ucred *cred);
209 int mac_kenv_check_get(struct ucred *cred, char *name);
210 int mac_kenv_check_set(struct ucred *cred, char *name, char *value);
211 int mac_kenv_check_unset(struct ucred *cred, char *name);
212
213 int mac_kld_check_load(struct ucred *cred, struct vnode *vp);
214 int mac_kld_check_stat(struct ucred *cred);
215
216 void mac_mbuf_copy(struct mbuf *, struct mbuf *);
217 int mac_mbuf_init(struct mbuf *, int);
218
219 void mac_mbuf_tag_copy(struct m_tag *, struct m_tag *);
220 void mac_mbuf_tag_destroy(struct m_tag *);
221 int mac_mbuf_tag_init(struct m_tag *, int);
222
223 int mac_mount_check_stat(struct ucred *cred, struct mount *mp);
224 void mac_mount_create(struct ucred *cred, struct mount *mp);
225 void mac_mount_destroy(struct mount *);
226 void mac_mount_init(struct mount *);
227
228 void mac_netinet_arp_send(struct ifnet *ifp, struct mbuf *m);
229 void mac_netinet_firewall_reply(struct mbuf *mrecv, struct mbuf *msend);
230 void mac_netinet_firewall_send(struct mbuf *m);
231 void mac_netinet_fragment(struct mbuf *m, struct mbuf *frag);
232 void mac_netinet_icmp_reply(struct mbuf *mrecv, struct mbuf *msend);
233 void mac_netinet_icmp_replyinplace(struct mbuf *m);
234 void mac_netinet_igmp_send(struct ifnet *ifp, struct mbuf *m);
235 void mac_netinet_tcp_reply(struct mbuf *m);
236
237 void mac_netinet6_nd6_send(struct ifnet *ifp, struct mbuf *m);
238
239 int mac_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp,
240 unsigned long cmd, void *data);
241 int mac_pipe_check_poll_impl(struct ucred *cred, struct pipepair *pp);
242 #ifdef MAC
243 extern bool mac_pipe_check_poll_fp_flag;
244 #else
245 #define mac_pipe_check_poll_fp_flag 0
246 #endif
247 #define mac_pipe_check_poll_enabled() __predict_false(mac_pipe_check_poll_fp_flag)
248 static inline int
249 mac_pipe_check_poll(struct ucred *cred, struct pipepair *pp)
250 {
251
252 if (mac_pipe_check_poll_enabled())
253 return (mac_pipe_check_poll_impl(cred, pp));
254 return (0);
255 }
256
257 #ifdef MAC
258 extern bool mac_pipe_check_stat_fp_flag;
259 #else
260 #define mac_pipe_check_stat_fp_flag 0
261 #endif
262 #define mac_pipe_check_stat_enabled() __predict_false(mac_pipe_check_stat_fp_flag)
263 int mac_pipe_check_stat(struct ucred *cred, struct pipepair *pp);
264 int mac_pipe_check_read(struct ucred *cred, struct pipepair *pp);
265 int mac_pipe_check_write(struct ucred *cred, struct pipepair *pp);
266 void mac_pipe_create(struct ucred *cred, struct pipepair *pp);
267 void mac_pipe_destroy(struct pipepair *);
268 void mac_pipe_init(struct pipepair *);
269 int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp,
270 struct label *label);
271
272 int mac_posixsem_check_getvalue(struct ucred *active_cred,
273 struct ucred *file_cred, struct ksem *ks);
274 int mac_posixsem_check_open(struct ucred *cred, struct ksem *ks);
275 int mac_posixsem_check_post(struct ucred *active_cred,
276 struct ucred *file_cred, struct ksem *ks);
277 int mac_posixsem_check_setmode(struct ucred *cred, struct ksem *ks,
278 mode_t mode);
279 int mac_posixsem_check_setowner(struct ucred *cred, struct ksem *ks,
280 uid_t uid, gid_t gid);
281 int mac_posixsem_check_stat(struct ucred *active_cred,
282 struct ucred *file_cred, struct ksem *ks);
283 int mac_posixsem_check_unlink(struct ucred *cred, struct ksem *ks);
284 int mac_posixsem_check_wait(struct ucred *active_cred,
285 struct ucred *file_cred, struct ksem *ks);
286 void mac_posixsem_create(struct ucred *cred, struct ksem *ks);
287 void mac_posixsem_destroy(struct ksem *);
288 void mac_posixsem_init(struct ksem *);
289
290 int mac_posixshm_check_create(struct ucred *cred, const char *path);
291 int mac_posixshm_check_mmap(struct ucred *cred, struct shmfd *shmfd,
292 int prot, int flags);
293 int mac_posixshm_check_open(struct ucred *cred, struct shmfd *shmfd,
294 accmode_t accmode);
295 int mac_posixshm_check_read(struct ucred *active_cred,
296 struct ucred *file_cred, struct shmfd *shmfd);
297 int mac_posixshm_check_setmode(struct ucred *cred, struct shmfd *shmfd,
298 mode_t mode);
299 int mac_posixshm_check_setowner(struct ucred *cred, struct shmfd *shmfd,
300 uid_t uid, gid_t gid);
301 int mac_posixshm_check_stat(struct ucred *active_cred,
302 struct ucred *file_cred, struct shmfd *shmfd);
303 int mac_posixshm_check_truncate(struct ucred *active_cred,
304 struct ucred *file_cred, struct shmfd *shmfd);
305 int mac_posixshm_check_unlink(struct ucred *cred, struct shmfd *shmfd);
306 int mac_posixshm_check_write(struct ucred *active_cred,
307 struct ucred *file_cred, struct shmfd *shmfd);
308 void mac_posixshm_create(struct ucred *cred, struct shmfd *shmfd);
309 void mac_posixshm_destroy(struct shmfd *);
310 void mac_posixshm_init(struct shmfd *);
311
312 int mac_priv_check_impl(struct ucred *cred, int priv);
313 #ifdef MAC
314 extern bool mac_priv_check_fp_flag;
315 #else
316 #define mac_priv_check_fp_flag 0
317 #endif
318 #define mac_priv_check_enabled() __predict_false(mac_priv_check_fp_flag)
319 static inline int
320 mac_priv_check(struct ucred *cred, int priv)
321 {
322
323 if (mac_priv_check_enabled())
324 return (mac_priv_check_impl(cred, priv));
325 return (0);
326 }
327
328 int mac_priv_grant_impl(struct ucred *cred, int priv);
329 #ifdef MAC
330 extern bool mac_priv_grant_fp_flag;
331 #else
332 #define mac_priv_grant_fp_flag 0
333 #endif
334 #define mac_priv_grant_enabled() __predict_false(mac_priv_grant_fp_flag)
335 static inline int
336 mac_priv_grant(struct ucred *cred, int priv)
337 {
338
339 if (mac_priv_grant_enabled())
340 return (mac_priv_grant_impl(cred, priv));
341 return (EPERM);
342 }
343
344 int mac_proc_check_debug(struct ucred *cred, struct proc *p);
345 int mac_proc_check_sched(struct ucred *cred, struct proc *p);
346 int mac_proc_check_signal(struct ucred *cred, struct proc *p,
347 int signum);
348 int mac_proc_check_wait(struct ucred *cred, struct proc *p);
349 void mac_proc_destroy(struct proc *);
350 void mac_proc_init(struct proc *);
351 void mac_proc_vm_revoke(struct thread *td);
352 int mac_execve_enter(struct image_params *imgp, struct mac *mac_p);
353 void mac_execve_exit(struct image_params *imgp);
354 void mac_execve_interpreter_enter(struct vnode *interpvp,
355 struct label **interplabel);
356 void mac_execve_interpreter_exit(struct label *interpvplabel);
357
358 int mac_socket_check_accept(struct ucred *cred, struct socket *so);
359 int mac_socket_check_bind(struct ucred *cred, struct socket *so,
360 struct sockaddr *sa);
361 int mac_socket_check_connect(struct ucred *cred, struct socket *so,
362 struct sockaddr *sa);
363 int mac_socket_check_create(struct ucred *cred, int domain, int type,
364 int proto);
365 int mac_socket_check_deliver(struct socket *so, struct mbuf *m);
366 int mac_socket_check_listen(struct ucred *cred, struct socket *so);
367 int mac_socket_check_poll(struct ucred *cred, struct socket *so);
368 int mac_socket_check_receive(struct ucred *cred, struct socket *so);
369 int mac_socket_check_send(struct ucred *cred, struct socket *so);
370 int mac_socket_check_stat(struct ucred *cred, struct socket *so);
371 int mac_socket_check_visible(struct ucred *cred, struct socket *so);
372 void mac_socket_create_mbuf(struct socket *so, struct mbuf *m);
373 void mac_socket_create(struct ucred *cred, struct socket *so);
374 void mac_socket_destroy(struct socket *);
375 int mac_socket_init(struct socket *, int);
376 void mac_socket_newconn(struct socket *oldso, struct socket *newso);
377 int mac_getsockopt_label(struct ucred *cred, struct socket *so,
378 struct mac *extmac);
379 int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so,
380 struct mac *extmac);
381 int mac_setsockopt_label(struct ucred *cred, struct socket *so,
382 struct mac *extmac);
383
384 void mac_socketpeer_set_from_mbuf(struct mbuf *m, struct socket *so);
385 void mac_socketpeer_set_from_socket(struct socket *oldso,
386 struct socket *newso);
387
388 void mac_syncache_create(struct label *l, struct inpcb *inp);
389 void mac_syncache_create_mbuf(struct label *l, struct mbuf *m);
390 void mac_syncache_destroy(struct label **l);
391 int mac_syncache_init(struct label **l);
392
393 int mac_system_check_acct(struct ucred *cred, struct vnode *vp);
394 int mac_system_check_audit(struct ucred *cred, void *record, int length);
395 int mac_system_check_auditctl(struct ucred *cred, struct vnode *vp);
396 int mac_system_check_auditon(struct ucred *cred, int cmd);
397 int mac_system_check_reboot(struct ucred *cred, int howto);
398 int mac_system_check_swapon(struct ucred *cred, struct vnode *vp);
399 int mac_system_check_swapoff(struct ucred *cred, struct vnode *vp);
400 int mac_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp,
401 void *arg1, int arg2, struct sysctl_req *req);
402
403 void mac_sysvmsg_cleanup(struct msg *msgptr);
404 void mac_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr,
405 struct msg *msgptr);
406 void mac_sysvmsg_destroy(struct msg *);
407 void mac_sysvmsg_init(struct msg *);
408
409 int mac_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr,
410 struct msqid_kernel *msqkptr);
411 int mac_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr);
412 int mac_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr);
413 int mac_sysvmsq_check_msqctl(struct ucred *cred,
414 struct msqid_kernel *msqkptr, int cmd);
415 int mac_sysvmsq_check_msqget(struct ucred *cred,
416 struct msqid_kernel *msqkptr);
417 int mac_sysvmsq_check_msqrcv(struct ucred *cred,
418 struct msqid_kernel *msqkptr);
419 int mac_sysvmsq_check_msqsnd(struct ucred *cred,
420 struct msqid_kernel *msqkptr);
421 void mac_sysvmsq_cleanup(struct msqid_kernel *msqkptr);
422 void mac_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr);
423 void mac_sysvmsq_destroy(struct msqid_kernel *);
424 void mac_sysvmsq_init(struct msqid_kernel *);
425
426 int mac_sysvsem_check_semctl(struct ucred *cred,
427 struct semid_kernel *semakptr, int cmd);
428 int mac_sysvsem_check_semget(struct ucred *cred,
429 struct semid_kernel *semakptr);
430 int mac_sysvsem_check_semop(struct ucred *cred,
431 struct semid_kernel *semakptr, size_t accesstype);
432 void mac_sysvsem_cleanup(struct semid_kernel *semakptr);
433 void mac_sysvsem_create(struct ucred *cred,
434 struct semid_kernel *semakptr);
435 void mac_sysvsem_destroy(struct semid_kernel *);
436 void mac_sysvsem_init(struct semid_kernel *);
437
438 int mac_sysvshm_check_shmat(struct ucred *cred,
439 struct shmid_kernel *shmsegptr, int shmflg);
440 int mac_sysvshm_check_shmctl(struct ucred *cred,
441 struct shmid_kernel *shmsegptr, int cmd);
442 int mac_sysvshm_check_shmdt(struct ucred *cred,
443 struct shmid_kernel *shmsegptr);
444 int mac_sysvshm_check_shmget(struct ucred *cred,
445 struct shmid_kernel *shmsegptr, int shmflg);
446 void mac_sysvshm_cleanup(struct shmid_kernel *shmsegptr);
447 void mac_sysvshm_create(struct ucred *cred,
448 struct shmid_kernel *shmsegptr);
449 void mac_sysvshm_destroy(struct shmid_kernel *);
450 void mac_sysvshm_init(struct shmid_kernel *);
451
452 void mac_thread_userret(struct thread *td);
453
454 #if defined(MAC) && defined(DEBUG_VFS_LOCKS)
455 void mac_vnode_assert_locked(struct vnode *vp, const char *func);
456 #else
457 #define mac_vnode_assert_locked(vp, func) do { } while (0)
458 #endif
459
460 int mac_vnode_associate_extattr(struct mount *mp, struct vnode *vp);
461 void mac_vnode_associate_singlelabel(struct mount *mp, struct vnode *vp);
462 int mac_vnode_check_access_impl(struct ucred *cred, struct vnode *dvp,
463 accmode_t accmode);
464 extern bool mac_vnode_check_access_fp_flag;
465 #define mac_vnode_check_access_enabled() __predict_false(mac_vnode_check_access_fp_flag)
466 static inline int
467 mac_vnode_check_access(struct ucred *cred, struct vnode *dvp,
468 accmode_t accmode)
469 {
470
471 mac_vnode_assert_locked(dvp, "mac_vnode_check_access");
472 if (mac_vnode_check_access_enabled())
473 return (mac_vnode_check_access_impl(cred, dvp, accmode));
474 return (0);
475 }
476 int mac_vnode_check_chdir(struct ucred *cred, struct vnode *dvp);
477 int mac_vnode_check_chroot(struct ucred *cred, struct vnode *dvp);
478 int mac_vnode_check_create(struct ucred *cred, struct vnode *dvp,
479 struct componentname *cnp, struct vattr *vap);
480 int mac_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp,
481 acl_type_t type);
482 int mac_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp,
483 int attrnamespace, const char *name);
484 int mac_vnode_check_exec(struct ucred *cred, struct vnode *vp,
485 struct image_params *imgp);
486 int mac_vnode_check_getacl(struct ucred *cred, struct vnode *vp,
487 acl_type_t type);
488 int mac_vnode_check_getextattr(struct ucred *cred, struct vnode *vp,
489 int attrnamespace, const char *name);
490 int mac_vnode_check_link(struct ucred *cred, struct vnode *dvp,
491 struct vnode *vp, struct componentname *cnp);
492 int mac_vnode_check_listextattr(struct ucred *cred, struct vnode *vp,
493 int attrnamespace);
494
495 int mac_vnode_check_lookup_impl(struct ucred *cred, struct vnode *dvp,
496 struct componentname *cnp);
497 #ifdef MAC
498 extern bool mac_vnode_check_lookup_fp_flag;
499 #else
500 #define mac_vnode_check_lookup_fp_flag 0
501 #endif
502 #define mac_vnode_check_lookup_enabled() __predict_false(mac_vnode_check_lookup_fp_flag)
503 static inline int
504 mac_vnode_check_lookup(struct ucred *cred, struct vnode *dvp,
505 struct componentname *cnp)
506 {
507
508 mac_vnode_assert_locked(dvp, "mac_vnode_check_lookup");
509 if (mac_vnode_check_lookup_enabled())
510 return (mac_vnode_check_lookup_impl(cred, dvp, cnp));
511 return (0);
512 }
513
514 int mac_vnode_check_mmap_impl(struct ucred *cred, struct vnode *vp, int prot,
515 int flags);
516 #ifdef MAC
517 extern bool mac_vnode_check_mmap_fp_flag;
518 #else
519 #define mac_vnode_check_mmap_fp_flag 0
520 #endif
521 #define mac_vnode_check_mmap_enabled() __predict_false(mac_vnode_check_mmap_fp_flag)
522 static inline int
523 mac_vnode_check_mmap(struct ucred *cred, struct vnode *vp, int prot,
524 int flags)
525 {
526
527 mac_vnode_assert_locked(vp, "mac_vnode_check_mmap");
528 if (mac_vnode_check_mmap_enabled())
529 return (mac_vnode_check_mmap_impl(cred, vp, prot, flags));
530 return (0);
531 }
532
533 int mac_vnode_check_open_impl(struct ucred *cred, struct vnode *vp,
534 accmode_t accmode);
535 #ifdef MAC
536 extern bool mac_vnode_check_open_fp_flag;
537 #else
538 #define mac_vnode_check_open_fp_flag 0
539 #endif
540 #define mac_vnode_check_open_enabled() __predict_false(mac_vnode_check_open_fp_flag)
541 static inline int
542 mac_vnode_check_open(struct ucred *cred, struct vnode *vp,
543 accmode_t accmode)
544 {
545
546 mac_vnode_assert_locked(vp, "mac_vnode_check_open");
547 if (mac_vnode_check_open_enabled())
548 return (mac_vnode_check_open_impl(cred, vp, accmode));
549 return (0);
550 }
551
552 int mac_vnode_check_mprotect(struct ucred *cred, struct vnode *vp,
553 int prot);
554
555 #define mac_vnode_check_poll_enabled() __predict_false(mac_vnode_check_poll_fp_flag)
556 #ifdef MAC
557 extern bool mac_vnode_check_poll_fp_flag;
558 int mac_vnode_check_poll(struct ucred *active_cred,
559 struct ucred *file_cred, struct vnode *vp);
560 #else
561 #define mac_vnode_check_poll_fp_flag 0
562 static inline int
563 mac_vnode_check_poll(struct ucred *active_cred, struct ucred *file_cred,
564 struct vnode *vp)
565 {
566
567 return (0);
568 }
569 #endif
570 int mac_vnode_check_readdir(struct ucred *cred, struct vnode *vp);
571 int mac_vnode_check_readlink_impl(struct ucred *cred, struct vnode *dvp);
572 #ifdef MAC
573 extern bool mac_vnode_check_readlink_fp_flag;
574 #else
575 #define mac_vnode_check_readlink_fp_flag 0
576 #endif
577 #define mac_vnode_check_readlink_enabled() __predict_false(mac_vnode_check_readlink_fp_flag)
578 static inline int
579 mac_vnode_check_readlink(struct ucred *cred, struct vnode *vp)
580 {
581
582 mac_vnode_assert_locked(vp, "mac_vnode_check_readlink");
583 if (mac_vnode_check_readlink_enabled())
584 return (mac_vnode_check_readlink_impl(cred, vp));
585 return (0);
586 }
587 #define mac_vnode_check_rename_from_enabled() __predict_false(mac_vnode_check_rename_from_fp_flag)
588 #ifdef MAC
589 extern bool mac_vnode_check_rename_from_fp_flag;
590 #endif
591 int mac_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp,
592 struct vnode *vp, struct componentname *cnp);
593 int mac_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp,
594 struct vnode *vp, int samedir, struct componentname *cnp);
595 int mac_vnode_check_revoke(struct ucred *cred, struct vnode *vp);
596 int mac_vnode_check_setacl(struct ucred *cred, struct vnode *vp,
597 acl_type_t type, struct acl *acl);
598 int mac_vnode_check_setextattr(struct ucred *cred, struct vnode *vp,
599 int attrnamespace, const char *name);
600 int mac_vnode_check_setflags(struct ucred *cred, struct vnode *vp,
601 u_long flags);
602 int mac_vnode_check_setmode(struct ucred *cred, struct vnode *vp,
603 mode_t mode);
604 int mac_vnode_check_setowner(struct ucred *cred, struct vnode *vp,
605 uid_t uid, gid_t gid);
606 int mac_vnode_check_setutimes(struct ucred *cred, struct vnode *vp,
607 struct timespec atime, struct timespec mtime);
608
609 int mac_vnode_check_stat_impl(struct ucred *active_cred,
610 struct ucred *file_cred, struct vnode *vp);
611 #ifdef MAC
612 extern bool mac_vnode_check_stat_fp_flag;
613 #else
614 #define mac_vnode_check_stat_fp_flag 0
615 #endif
616 #define mac_vnode_check_stat_enabled() __predict_false(mac_vnode_check_stat_fp_flag)
617 static inline int
618 mac_vnode_check_stat(struct ucred *active_cred, struct ucred *file_cred,
619 struct vnode *vp)
620 {
621
622 mac_vnode_assert_locked(vp, "mac_vnode_check_stat");
623 if (mac_vnode_check_stat_enabled())
624 return (mac_vnode_check_stat_impl(active_cred, file_cred, vp));
625 return (0);
626 }
627
628 int mac_vnode_check_read_impl(struct ucred *active_cred,
629 struct ucred *file_cred, struct vnode *vp);
630 #ifdef MAC
631 extern bool mac_vnode_check_read_fp_flag;
632 #else
633 #define mac_vnode_check_read_fp_flag 0
634 #endif
635 #define mac_vnode_check_read_enabled() __predict_false(mac_vnode_check_read_fp_flag)
636 static inline int
637 mac_vnode_check_read(struct ucred *active_cred, struct ucred *file_cred,
638 struct vnode *vp)
639 {
640
641 mac_vnode_assert_locked(vp, "mac_vnode_check_read");
642 if (mac_vnode_check_read_enabled())
643 return (mac_vnode_check_read_impl(active_cred, file_cred, vp));
644 return (0);
645 }
646
647 int mac_vnode_check_write_impl(struct ucred *active_cred,
648 struct ucred *file_cred, struct vnode *vp);
649 #ifdef MAC
650 extern bool mac_vnode_check_write_fp_flag;
651 #else
652 #define mac_vnode_check_write_fp_flag 0
653 #endif
654 #define mac_vnode_check_write_enabled() __predict_false(mac_vnode_check_write_fp_flag)
655 static inline int
656 mac_vnode_check_write(struct ucred *active_cred, struct ucred *file_cred,
657 struct vnode *vp)
658 {
659
660 mac_vnode_assert_locked(vp, "mac_vnode_check_write");
661 if (mac_vnode_check_write_enabled())
662 return (mac_vnode_check_write_impl(active_cred, file_cred, vp));
663 return (0);
664 }
665
666 int mac_vnode_check_unlink(struct ucred *cred, struct vnode *dvp,
667 struct vnode *vp, struct componentname *cnp);
668 void mac_vnode_copy_label(struct label *, struct label *);
669 void mac_vnode_init(struct vnode *);
670 int mac_vnode_create_extattr(struct ucred *cred, struct mount *mp,
671 struct vnode *dvp, struct vnode *vp, struct componentname *cnp);
672 void mac_vnode_destroy(struct vnode *);
673 void mac_vnode_execve_transition(struct ucred *oldcred,
674 struct ucred *newcred, struct vnode *vp,
675 struct label *interpvplabel, struct image_params *imgp);
676 int mac_vnode_execve_will_transition(struct ucred *cred,
677 struct vnode *vp, struct label *interpvplabel,
678 struct image_params *imgp);
679 void mac_vnode_relabel(struct ucred *cred, struct vnode *vp,
680 struct label *newlabel);
681
682 /*
683 * Calls to help various file systems implement labeling functionality using
684 * their existing EA implementation.
685 */
686 int vop_stdsetlabel_ea(struct vop_setlabel_args *ap);
687
688 #endif /* !_SECURITY_MAC_MAC_FRAMEWORK_H_ */
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