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