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