xref: /freebsd/sys/security/mac/mac_framework.h (revision 4b908c8bb4b13eccb45b0fdb4ffcb8abcb086814)
1 /*-
2  * Copyright (c) 1999-2002, 2007-2008 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  * 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 /*
42  * Kernel interface for Mandatory Access Control -- how kernel services
43  * interact with the TrustedBSD MAC Framework.
44  */
45 
46 #ifndef _SECURITY_MAC_MAC_FRAMEWORK_H_
47 #define	_SECURITY_MAC_MAC_FRAMEWORK_H_
48 
49 #ifndef _KERNEL
50 #error "no user-serviceable parts inside"
51 #endif
52 
53 struct auditinfo;
54 struct auditinfo_addr;
55 struct bpf_d;
56 struct cdev;
57 struct componentname;
58 struct devfs_dirent;
59 struct ifnet;
60 struct ifreq;
61 struct image_params;
62 struct inpcb;
63 struct ip6q;
64 struct ipq;
65 struct ksem;
66 struct label;
67 struct m_tag;
68 struct mac;
69 struct mbuf;
70 struct mount;
71 struct msg;
72 struct msqid_kernel;
73 struct proc;
74 struct semid_kernel;
75 struct shmfd;
76 struct shmid_kernel;
77 struct sockaddr;
78 struct socket;
79 struct sysctl_oid;
80 struct sysctl_req;
81 struct pipepair;
82 struct thread;
83 struct timespec;
84 struct ucred;
85 struct uio;
86 struct vattr;
87 struct vnode;
88 struct vop_setlabel_args;
89 
90 #include <sys/acl.h>			/* XXX acl_type_t */
91 
92 /*
93  * Entry points to the TrustedBSD MAC Framework from the remainder of the
94  * kernel: entry points are named based on a principle object type and an
95  * action relating to it.  They are sorted alphabetically first by object
96  * type and then action.  In some situations, the principle object type is
97  * obvious, and in other cases, less so as multiple objects may be inolved
98  * in the operation.
99  */
100 int	mac_bpfdesc_check_receive(struct bpf_d *d, struct ifnet *ifp);
101 void	mac_bpfdesc_create(struct ucred *cred, struct bpf_d *d);
102 void	mac_bpfdesc_create_mbuf(struct bpf_d *d, struct mbuf *m);
103 void	mac_bpfdesc_destroy(struct bpf_d *);
104 void	mac_bpfdesc_init(struct bpf_d *);
105 
106 int	mac_cred_check_visible(struct ucred *cr1, struct ucred *cr2);
107 void	mac_cred_copy(struct ucred *cr1, struct ucred *cr2);
108 void	mac_cred_destroy(struct ucred *);
109 void	mac_cred_init(struct ucred *);
110 
111 void	mac_devfs_create_device(struct ucred *cred, struct mount *mp,
112 	    struct cdev *dev, struct devfs_dirent *de);
113 void	mac_devfs_create_directory(struct mount *mp, char *dirname,
114 	    int dirnamelen, struct devfs_dirent *de);
115 void	mac_devfs_create_symlink(struct ucred *cred, struct mount *mp,
116 	    struct devfs_dirent *dd, struct devfs_dirent *de);
117 void	mac_devfs_destroy(struct devfs_dirent *);
118 void	mac_devfs_init(struct devfs_dirent *);
119 void	mac_devfs_update(struct mount *mp, struct devfs_dirent *de,
120 	    struct vnode *vp);
121 void	mac_devfs_vnode_associate(struct mount *mp, struct devfs_dirent *de,
122 	    struct vnode *vp);
123 
124 int	mac_ifnet_check_transmit(struct ifnet *ifp, struct mbuf *m);
125 void	mac_ifnet_create(struct ifnet *ifp);
126 void	mac_ifnet_create_mbuf(struct ifnet *ifp, struct mbuf *m);
127 void	mac_ifnet_destroy(struct ifnet *);
128 void	mac_ifnet_init(struct ifnet *);
129 int	mac_ifnet_ioctl_get(struct ucred *cred, struct ifreq *ifr,
130 	    struct ifnet *ifp);
131 int	mac_ifnet_ioctl_set(struct ucred *cred, struct ifreq *ifr,
132 	    struct ifnet *ifp);
133 
134 int	mac_inpcb_check_deliver(struct inpcb *inp, struct mbuf *m);
135 int	mac_inpcb_check_visible(struct ucred *cred, struct inpcb *inp);
136 void	mac_inpcb_create(struct socket *so, struct inpcb *inp);
137 void	mac_inpcb_create_mbuf(struct inpcb *inp, struct mbuf *m);
138 void	mac_inpcb_destroy(struct inpcb *);
139 int	mac_inpcb_init(struct inpcb *, int);
140 void	mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp);
141 
142 void	mac_ip6q_create(struct mbuf *m, struct ip6q *q6);
143 void	mac_ip6q_destroy(struct ip6q *q6);
144 int	mac_ip6q_init(struct ip6q *q6, int);
145 int	mac_ip6q_match(struct mbuf *m, struct ip6q *q6);
146 void	mac_ip6q_reassemble(struct ip6q *q6, struct mbuf *m);
147 void	mac_ip6q_update(struct mbuf *m, struct ip6q *q6);
148 
149 void	mac_ipq_create(struct mbuf *m, struct ipq *q);
150 void	mac_ipq_destroy(struct ipq *q);
151 int	mac_ipq_init(struct ipq *q, int);
152 int	mac_ipq_match(struct mbuf *m, struct ipq *q);
153 void	mac_ipq_reassemble(struct ipq *q, struct mbuf *m);
154 void	mac_ipq_update(struct mbuf *m, struct ipq *q);
155 
156 int	mac_kenv_check_dump(struct ucred *cred);
157 int	mac_kenv_check_get(struct ucred *cred, char *name);
158 int	mac_kenv_check_set(struct ucred *cred, char *name, char *value);
159 int	mac_kenv_check_unset(struct ucred *cred, char *name);
160 
161 int	mac_kld_check_load(struct ucred *cred, struct vnode *vp);
162 int	mac_kld_check_stat(struct ucred *cred);
163 
164 void	mac_mbuf_copy(struct mbuf *, struct mbuf *);
165 int	mac_mbuf_init(struct mbuf *, int);
166 
167 void	mac_mbuf_tag_copy(struct m_tag *, struct m_tag *);
168 void	mac_mbuf_tag_destroy(struct m_tag *);
169 int	mac_mbuf_tag_init(struct m_tag *, int);
170 
171 int	mac_mount_check_stat(struct ucred *cred, struct mount *mp);
172 void	mac_mount_create(struct ucred *cred, struct mount *mp);
173 void	mac_mount_destroy(struct mount *);
174 void	mac_mount_init(struct mount *);
175 
176 void	mac_netatalk_aarp_send(struct ifnet *ifp, struct mbuf *m);
177 
178 void	mac_netinet_arp_send(struct ifnet *ifp, struct mbuf *m);
179 void	mac_netinet_firewall_reply(struct mbuf *mrecv, struct mbuf *msend);
180 void	mac_netinet_firewall_send(struct mbuf *m);
181 void	mac_netinet_fragment(struct mbuf *m, struct mbuf *frag);
182 void	mac_netinet_icmp_reply(struct mbuf *mrecv, struct mbuf *msend);
183 void	mac_netinet_icmp_replyinplace(struct mbuf *m);
184 void	mac_netinet_igmp_send(struct ifnet *ifp, struct mbuf *m);
185 void	mac_netinet_tcp_reply(struct mbuf *m);
186 
187 void	mac_netinet6_nd6_send(struct ifnet *ifp, struct mbuf *m);
188 
189 int	mac_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp,
190 	    unsigned long cmd, void *data);
191 int	mac_pipe_check_poll(struct ucred *cred, struct pipepair *pp);
192 int	mac_pipe_check_read(struct ucred *cred, struct pipepair *pp);
193 int	mac_pipe_check_stat(struct ucred *cred, struct pipepair *pp);
194 int	mac_pipe_check_write(struct ucred *cred, struct pipepair *pp);
195 void	mac_pipe_create(struct ucred *cred, struct pipepair *pp);
196 void	mac_pipe_destroy(struct pipepair *);
197 void	mac_pipe_init(struct pipepair *);
198 int	mac_pipe_label_set(struct ucred *cred, struct pipepair *pp,
199 	    struct label *label);
200 
201 int	mac_posixsem_check_getvalue(struct ucred *active_cred,
202 	    struct ucred *file_cred, struct ksem *ks);
203 int	mac_posixsem_check_open(struct ucred *cred, struct ksem *ks);
204 int	mac_posixsem_check_post(struct ucred *active_cred,
205 	    struct ucred *file_cred, struct ksem *ks);
206 int	mac_posixsem_check_stat(struct ucred *active_cred,
207 	    struct ucred *file_cred, struct ksem *ks);
208 int	mac_posixsem_check_unlink(struct ucred *cred, struct ksem *ks);
209 int	mac_posixsem_check_wait(struct ucred *active_cred,
210 	    struct ucred *file_cred, struct ksem *ks);
211 void 	mac_posixsem_create(struct ucred *cred, struct ksem *ks);
212 void	mac_posixsem_destroy(struct ksem *);
213 void	mac_posixsem_init(struct ksem *);
214 
215 int	mac_posixshm_check_mmap(struct ucred *cred, struct shmfd *shmfd,
216 	    int prot, int flags);
217 int	mac_posixshm_check_open(struct ucred *cred, struct shmfd *shmfd);
218 int	mac_posixshm_check_stat(struct ucred *active_cred,
219 	    struct ucred *file_cred, struct shmfd *shmfd);
220 int	mac_posixshm_check_truncate(struct ucred *active_cred,
221 	    struct ucred *file_cred, struct shmfd *shmfd);
222 int	mac_posixshm_check_unlink(struct ucred *cred, struct shmfd *shmfd);
223 void 	mac_posixshm_create(struct ucred *cred, struct shmfd *shmfd);
224 void	mac_posixshm_destroy(struct shmfd *);
225 void	mac_posixshm_init(struct shmfd *);
226 
227 int	mac_priv_check(struct ucred *cred, int priv);
228 int	mac_priv_grant(struct ucred *cred, int priv);
229 
230 void	mac_proc_associate_nfsd(struct ucred *cred);
231 int	mac_proc_check_debug(struct ucred *cred, struct proc *p);
232 int	mac_proc_check_sched(struct ucred *cred, struct proc *p);
233 int	mac_proc_check_setaudit(struct ucred *cred, struct auditinfo *ai);
234 int	mac_proc_check_setaudit_addr(struct ucred *cred,
235 	    struct auditinfo_addr *aia);
236 int	mac_proc_check_setauid(struct ucred *cred, uid_t auid);
237 int	mac_proc_check_setegid(struct proc *p, struct ucred *cred,
238 	    gid_t egid);
239 int	mac_proc_check_seteuid(struct proc *p, struct ucred *cred,
240 	    uid_t euid);
241 int	mac_proc_check_setgid(struct proc *p, struct ucred *cred,
242 	    gid_t gid);
243 int	mac_proc_check_setgroups(struct proc *p, struct ucred *cred,
244 	    int ngroups, gid_t *gidset);
245 int	mac_proc_check_setregid(struct proc *p, struct ucred *cred,
246 	    gid_t rgid, gid_t egid);
247 int	mac_proc_check_setresgid(struct proc *p, struct ucred *cred,
248 	    gid_t rgid, gid_t egid, gid_t sgid);
249 int	mac_proc_check_setresuid(struct proc *p, struct ucred *cred,
250 	    uid_t ruid, uid_t euid, uid_t suid);
251 int	mac_proc_check_setreuid(struct proc *p, struct ucred *cred,
252 	    uid_t ruid, uid_t euid);
253 int	mac_proc_check_setuid(struct proc *p,  struct ucred *cred,
254 	    uid_t uid);
255 int	mac_proc_check_signal(struct ucred *cred, struct proc *p,
256 	    int signum);
257 int	mac_proc_check_wait(struct ucred *cred, struct proc *p);
258 void	mac_proc_create_init(struct ucred *cred);
259 void	mac_proc_create_swapper(struct ucred *cred);
260 void	mac_proc_destroy(struct proc *);
261 void	mac_proc_init(struct proc *);
262 int	mac_execve_enter(struct image_params *imgp, struct mac *mac_p);
263 void	mac_execve_exit(struct image_params *imgp);
264 void	mac_execve_interpreter_enter(struct vnode *interpvp,
265 	    struct label **interplabel);
266 void	mac_execve_interpreter_exit(struct label *interpvplabel);
267 
268 int	mac_socket_check_accept(struct ucred *cred, struct socket *so);
269 int	mac_socket_check_bind(struct ucred *cred, struct socket *so,
270 	    struct sockaddr *sa);
271 int	mac_socket_check_connect(struct ucred *cred, struct socket *so,
272 	    struct sockaddr *sa);
273 int	mac_socket_check_create(struct ucred *cred, int domain, int type,
274 	    int proto);
275 int	mac_socket_check_deliver(struct socket *so, struct mbuf *m);
276 int	mac_socket_check_listen(struct ucred *cred, struct socket *so);
277 int	mac_socket_check_poll(struct ucred *cred, struct socket *so);
278 int	mac_socket_check_receive(struct ucred *cred, struct socket *so);
279 int	mac_socket_check_send(struct ucred *cred, struct socket *so);
280 int	mac_socket_check_stat(struct ucred *cred, struct socket *so);
281 int	mac_socket_check_visible(struct ucred *cred, struct socket *so);
282 void	mac_socket_create_mbuf(struct socket *so, struct mbuf *m);
283 void	mac_socket_create(struct ucred *cred, struct socket *so);
284 void	mac_socket_destroy(struct socket *);
285 int	mac_socket_init(struct socket *, int);
286 void	mac_socket_newconn(struct socket *oldso, struct socket *newso);
287 int	mac_getsockopt_label(struct ucred *cred, struct socket *so,
288 	    struct mac *extmac);
289 int	mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so,
290 	    struct mac *extmac);
291 int	mac_setsockopt_label(struct ucred *cred, struct socket *so,
292 	    struct mac *extmac);
293 
294 void	mac_socketpeer_set_from_mbuf(struct mbuf *m, struct socket *so);
295 void	mac_socketpeer_set_from_socket(struct socket *oldso,
296 	    struct socket *newso);
297 
298 void	mac_syncache_create(struct label *l, struct inpcb *inp);
299 void	mac_syncache_create_mbuf(struct label *l, struct mbuf *m);
300 void	mac_syncache_destroy(struct label **l);
301 int	mac_syncache_init(struct label **l);
302 
303 int	mac_system_check_acct(struct ucred *cred, struct vnode *vp);
304 int	mac_system_check_audit(struct ucred *cred, void *record, int length);
305 int	mac_system_check_auditctl(struct ucred *cred, struct vnode *vp);
306 int	mac_system_check_auditon(struct ucred *cred, int cmd);
307 int	mac_system_check_reboot(struct ucred *cred, int howto);
308 int	mac_system_check_swapon(struct ucred *cred, struct vnode *vp);
309 int	mac_system_check_swapoff(struct ucred *cred, struct vnode *vp);
310 int	mac_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp,
311 	    void *arg1, int arg2, struct sysctl_req *req);
312 
313 void	mac_sysvmsg_cleanup(struct msg *msgptr);
314 void	mac_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr,
315 	    struct msg *msgptr);
316 void	mac_sysvmsg_destroy(struct msg *);
317 void	mac_sysvmsg_init(struct msg *);
318 
319 int	mac_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr,
320 	    struct msqid_kernel *msqkptr);
321 int	mac_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr);
322 int	mac_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr);
323 int	mac_sysvmsq_check_msqctl(struct ucred *cred,
324 	    struct msqid_kernel *msqkptr, int cmd);
325 int	mac_sysvmsq_check_msqget(struct ucred *cred,
326 	    struct msqid_kernel *msqkptr);
327 int	mac_sysvmsq_check_msqrcv(struct ucred *cred,
328 	    struct msqid_kernel *msqkptr);
329 int	mac_sysvmsq_check_msqsnd(struct ucred *cred,
330 	    struct msqid_kernel *msqkptr);
331 void	mac_sysvmsq_cleanup(struct msqid_kernel *msqkptr);
332 void	mac_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr);
333 void	mac_sysvmsq_destroy(struct msqid_kernel *);
334 void	mac_sysvmsq_init(struct msqid_kernel *);
335 
336 int	mac_sysvsem_check_semctl(struct ucred *cred,
337 	    struct semid_kernel *semakptr, int cmd);
338 int	mac_sysvsem_check_semget(struct ucred *cred,
339 	   struct semid_kernel *semakptr);
340 int	mac_sysvsem_check_semop(struct ucred *cred,
341 	    struct semid_kernel *semakptr, size_t accesstype);
342 void	mac_sysvsem_cleanup(struct semid_kernel *semakptr);
343 void	mac_sysvsem_create(struct ucred *cred,
344 	    struct semid_kernel *semakptr);
345 void	mac_sysvsem_destroy(struct semid_kernel *);
346 void	mac_sysvsem_init(struct semid_kernel *);
347 
348 int	mac_sysvshm_check_shmat(struct ucred *cred,
349 	    struct shmid_kernel *shmsegptr, int shmflg);
350 int	mac_sysvshm_check_shmctl(struct ucred *cred,
351 	    struct shmid_kernel *shmsegptr, int cmd);
352 int	mac_sysvshm_check_shmdt(struct ucred *cred,
353 	    struct shmid_kernel *shmsegptr);
354 int	mac_sysvshm_check_shmget(struct ucred *cred,
355 	    struct shmid_kernel *shmsegptr, int shmflg);
356 void	mac_sysvshm_cleanup(struct shmid_kernel *shmsegptr);
357 void	mac_sysvshm_create(struct ucred *cred,
358 	    struct shmid_kernel *shmsegptr);
359 void	mac_sysvshm_destroy(struct shmid_kernel *);
360 void	mac_sysvshm_init(struct shmid_kernel *);
361 
362 void	mac_thread_userret(struct thread *td);
363 
364 int	mac_vnode_associate_extattr(struct mount *mp, struct vnode *vp);
365 void	mac_vnode_associate_singlelabel(struct mount *mp, struct vnode *vp);
366 int	mac_vnode_check_access(struct ucred *cred, struct vnode *vp,
367 	    int acc_mode);
368 int	mac_vnode_check_chdir(struct ucred *cred, struct vnode *dvp);
369 int	mac_vnode_check_chroot(struct ucred *cred, struct vnode *dvp);
370 int	mac_vnode_check_create(struct ucred *cred, struct vnode *dvp,
371 	    struct componentname *cnp, struct vattr *vap);
372 int	mac_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp,
373 	    acl_type_t type);
374 int	mac_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp,
375 	    int attrnamespace, const char *name);
376 int	mac_vnode_check_exec(struct ucred *cred, struct vnode *vp,
377 	    struct image_params *imgp);
378 int	mac_vnode_check_getacl(struct ucred *cred, struct vnode *vp,
379 	    acl_type_t type);
380 int	mac_vnode_check_getextattr(struct ucred *cred, struct vnode *vp,
381 	    int attrnamespace, const char *name, struct uio *uio);
382 int	mac_vnode_check_link(struct ucred *cred, struct vnode *dvp,
383 	    struct vnode *vp, struct componentname *cnp);
384 int	mac_vnode_check_listextattr(struct ucred *cred, struct vnode *vp,
385 	    int attrnamespace);
386 int	mac_vnode_check_lookup(struct ucred *cred, struct vnode *dvp,
387  	    struct componentname *cnp);
388 int	mac_vnode_check_mmap(struct ucred *cred, struct vnode *vp, int prot,
389 	    int flags);
390 int	mac_vnode_check_mprotect(struct ucred *cred, struct vnode *vp,
391 	    int prot);
392 int	mac_vnode_check_open(struct ucred *cred, struct vnode *vp,
393 	    int acc_mode);
394 int	mac_vnode_check_poll(struct ucred *active_cred,
395 	    struct ucred *file_cred, struct vnode *vp);
396 int	mac_vnode_check_read(struct ucred *active_cred,
397 	    struct ucred *file_cred, struct vnode *vp);
398 int	mac_vnode_check_readdir(struct ucred *cred, struct vnode *vp);
399 int	mac_vnode_check_readlink(struct ucred *cred, struct vnode *vp);
400 int	mac_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp,
401 	    struct vnode *vp, struct componentname *cnp);
402 int	mac_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp,
403 	    struct vnode *vp, int samedir, struct componentname *cnp);
404 int	mac_vnode_check_revoke(struct ucred *cred, struct vnode *vp);
405 int	mac_vnode_check_setacl(struct ucred *cred, struct vnode *vp,
406 	    acl_type_t type, struct acl *acl);
407 int	mac_vnode_check_setextattr(struct ucred *cred, struct vnode *vp,
408 	    int attrnamespace, const char *name, struct uio *uio);
409 int	mac_vnode_check_setflags(struct ucred *cred, struct vnode *vp,
410 	    u_long flags);
411 int	mac_vnode_check_setmode(struct ucred *cred, struct vnode *vp,
412 	    mode_t mode);
413 int	mac_vnode_check_setowner(struct ucred *cred, struct vnode *vp,
414 	    uid_t uid, gid_t gid);
415 int	mac_vnode_check_setutimes(struct ucred *cred, struct vnode *vp,
416 	    struct timespec atime, struct timespec mtime);
417 int	mac_vnode_check_stat(struct ucred *active_cred,
418 	    struct ucred *file_cred, struct vnode *vp);
419 int	mac_vnode_check_unlink(struct ucred *cred, struct vnode *dvp,
420 	    struct vnode *vp, struct componentname *cnp);
421 int	mac_vnode_check_write(struct ucred *active_cred,
422 	    struct ucred *file_cred, struct vnode *vp);
423 void	mac_vnode_copy_label(struct label *, struct label *);
424 void	mac_vnode_init(struct vnode *);
425 int	mac_vnode_create_extattr(struct ucred *cred, struct mount *mp,
426 	    struct vnode *dvp, struct vnode *vp, struct componentname *cnp);
427 void	mac_vnode_destroy(struct vnode *);
428 void	mac_vnode_execve_transition(struct ucred *oldcred,
429 	    struct ucred *newcred, struct vnode *vp,
430 	    struct label *interpvplabel, struct image_params *imgp);
431 int	mac_vnode_execve_will_transition(struct ucred *cred,
432 	    struct vnode *vp, struct label *interpvplabel,
433 	    struct image_params *imgp);
434 void	mac_vnode_relabel(struct ucred *cred, struct vnode *vp,
435 	    struct label *newlabel);
436 
437 void	mac_cred_mmapped_drop_perms(struct thread *td, struct ucred *cred);
438 
439 /*
440  * Calls to help various file systems implement labeling functionality using
441  * their existing EA implementation.
442  */
443 int	vop_stdsetlabel_ea(struct vop_setlabel_args *ap);
444 
445 #endif /* !_SECURITY_MAC_MAC_FRAMEWORK_H_ */
446