1 /*- 2 * Copyright (c) 1999-2002, 2007-2009 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 uio; 89 struct vattr; 90 struct vnode; 91 struct vop_setlabel_args; 92 93 #include <sys/acl.h> /* XXX acl_type_t */ 94 #include <sys/types.h> /* accmode_t */ 95 96 /* 97 * Entry points to the TrustedBSD MAC Framework from the remainder of the 98 * kernel: entry points are named based on a principle object type and an 99 * action relating to it. They are sorted alphabetically first by object 100 * type and then action. In some situations, the principle object type is 101 * obvious, and in other cases, less so as multiple objects may be inolved 102 * in the operation. 103 */ 104 int mac_bpfdesc_check_receive(struct bpf_d *d, struct ifnet *ifp); 105 void mac_bpfdesc_create(struct ucred *cred, struct bpf_d *d); 106 void mac_bpfdesc_create_mbuf(struct bpf_d *d, struct mbuf *m); 107 void mac_bpfdesc_destroy(struct bpf_d *); 108 void mac_bpfdesc_init(struct bpf_d *); 109 110 void mac_cred_associate_nfsd(struct ucred *cred); 111 int mac_cred_check_setaudit(struct ucred *cred, struct auditinfo *ai); 112 int mac_cred_check_setaudit_addr(struct ucred *cred, 113 struct auditinfo_addr *aia); 114 int mac_cred_check_setauid(struct ucred *cred, uid_t auid); 115 int mac_cred_check_setegid(struct ucred *cred, gid_t egid); 116 int mac_cred_check_seteuid(struct ucred *cred, uid_t euid); 117 int mac_cred_check_setgid(struct ucred *cred, gid_t gid); 118 int mac_cred_check_setgroups(struct ucred *cred, int ngroups, 119 gid_t *gidset); 120 int mac_cred_check_setregid(struct ucred *cred, gid_t rgid, gid_t egid); 121 int mac_cred_check_setresgid(struct ucred *cred, gid_t rgid, gid_t egid, 122 gid_t sgid); 123 int mac_cred_check_setresuid(struct ucred *cred, uid_t ruid, uid_t euid, 124 uid_t suid); 125 int mac_cred_check_setreuid(struct ucred *cred, uid_t ruid, uid_t euid); 126 int mac_cred_check_setuid(struct ucred *cred, uid_t uid); 127 int mac_cred_check_visible(struct ucred *cr1, struct ucred *cr2); 128 void mac_cred_copy(struct ucred *cr1, struct ucred *cr2); 129 void mac_cred_create_init(struct ucred *cred); 130 void mac_cred_create_swapper(struct ucred *cred); 131 void mac_cred_destroy(struct ucred *); 132 void mac_cred_init(struct ucred *); 133 134 void mac_devfs_create_device(struct ucred *cred, struct mount *mp, 135 struct cdev *dev, struct devfs_dirent *de); 136 void mac_devfs_create_directory(struct mount *mp, char *dirname, 137 int dirnamelen, struct devfs_dirent *de); 138 void mac_devfs_create_symlink(struct ucred *cred, struct mount *mp, 139 struct devfs_dirent *dd, struct devfs_dirent *de); 140 void mac_devfs_destroy(struct devfs_dirent *); 141 void mac_devfs_init(struct devfs_dirent *); 142 void mac_devfs_update(struct mount *mp, struct devfs_dirent *de, 143 struct vnode *vp); 144 void mac_devfs_vnode_associate(struct mount *mp, struct devfs_dirent *de, 145 struct vnode *vp); 146 147 int mac_ifnet_check_transmit(struct ifnet *ifp, struct mbuf *m); 148 void mac_ifnet_create(struct ifnet *ifp); 149 void mac_ifnet_create_mbuf(struct ifnet *ifp, struct mbuf *m); 150 void mac_ifnet_destroy(struct ifnet *); 151 void mac_ifnet_init(struct ifnet *); 152 int mac_ifnet_ioctl_get(struct ucred *cred, struct ifreq *ifr, 153 struct ifnet *ifp); 154 int mac_ifnet_ioctl_set(struct ucred *cred, struct ifreq *ifr, 155 struct ifnet *ifp); 156 157 int mac_inpcb_check_deliver(struct inpcb *inp, struct mbuf *m); 158 int mac_inpcb_check_visible(struct ucred *cred, struct inpcb *inp); 159 void mac_inpcb_create(struct socket *so, struct inpcb *inp); 160 void mac_inpcb_create_mbuf(struct inpcb *inp, struct mbuf *m); 161 void mac_inpcb_destroy(struct inpcb *); 162 int mac_inpcb_init(struct inpcb *, int); 163 void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp); 164 165 void mac_ip6q_create(struct mbuf *m, struct ip6q *q6); 166 void mac_ip6q_destroy(struct ip6q *q6); 167 int mac_ip6q_init(struct ip6q *q6, int); 168 int mac_ip6q_match(struct mbuf *m, struct ip6q *q6); 169 void mac_ip6q_reassemble(struct ip6q *q6, struct mbuf *m); 170 void mac_ip6q_update(struct mbuf *m, struct ip6q *q6); 171 172 void mac_ipq_create(struct mbuf *m, struct ipq *q); 173 void mac_ipq_destroy(struct ipq *q); 174 int mac_ipq_init(struct ipq *q, int); 175 int mac_ipq_match(struct mbuf *m, struct ipq *q); 176 void mac_ipq_reassemble(struct ipq *q, struct mbuf *m); 177 void mac_ipq_update(struct mbuf *m, struct ipq *q); 178 179 int mac_kenv_check_dump(struct ucred *cred); 180 int mac_kenv_check_get(struct ucred *cred, char *name); 181 int mac_kenv_check_set(struct ucred *cred, char *name, char *value); 182 int mac_kenv_check_unset(struct ucred *cred, char *name); 183 184 int mac_kld_check_load(struct ucred *cred, struct vnode *vp); 185 int mac_kld_check_stat(struct ucred *cred); 186 187 void mac_mbuf_copy(struct mbuf *, struct mbuf *); 188 int mac_mbuf_init(struct mbuf *, int); 189 190 void mac_mbuf_tag_copy(struct m_tag *, struct m_tag *); 191 void mac_mbuf_tag_destroy(struct m_tag *); 192 int mac_mbuf_tag_init(struct m_tag *, int); 193 194 int mac_mount_check_stat(struct ucred *cred, struct mount *mp); 195 void mac_mount_create(struct ucred *cred, struct mount *mp); 196 void mac_mount_destroy(struct mount *); 197 void mac_mount_init(struct mount *); 198 199 void mac_netatalk_aarp_send(struct ifnet *ifp, struct mbuf *m); 200 201 void mac_netinet_arp_send(struct ifnet *ifp, struct mbuf *m); 202 void mac_netinet_firewall_reply(struct mbuf *mrecv, struct mbuf *msend); 203 void mac_netinet_firewall_send(struct mbuf *m); 204 void mac_netinet_fragment(struct mbuf *m, struct mbuf *frag); 205 void mac_netinet_icmp_reply(struct mbuf *mrecv, struct mbuf *msend); 206 void mac_netinet_icmp_replyinplace(struct mbuf *m); 207 void mac_netinet_igmp_send(struct ifnet *ifp, struct mbuf *m); 208 void mac_netinet_tcp_reply(struct mbuf *m); 209 210 void mac_netinet6_nd6_send(struct ifnet *ifp, struct mbuf *m); 211 212 int mac_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp, 213 unsigned long cmd, void *data); 214 int mac_pipe_check_poll(struct ucred *cred, struct pipepair *pp); 215 int mac_pipe_check_read(struct ucred *cred, struct pipepair *pp); 216 int mac_pipe_check_stat(struct ucred *cred, struct pipepair *pp); 217 int mac_pipe_check_write(struct ucred *cred, struct pipepair *pp); 218 void mac_pipe_create(struct ucred *cred, struct pipepair *pp); 219 void mac_pipe_destroy(struct pipepair *); 220 void mac_pipe_init(struct pipepair *); 221 int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp, 222 struct label *label); 223 224 int mac_posixsem_check_getvalue(struct ucred *active_cred, 225 struct ucred *file_cred, struct ksem *ks); 226 int mac_posixsem_check_open(struct ucred *cred, struct ksem *ks); 227 int mac_posixsem_check_post(struct ucred *active_cred, 228 struct ucred *file_cred, struct ksem *ks); 229 int mac_posixsem_check_stat(struct ucred *active_cred, 230 struct ucred *file_cred, struct ksem *ks); 231 int mac_posixsem_check_unlink(struct ucred *cred, struct ksem *ks); 232 int mac_posixsem_check_wait(struct ucred *active_cred, 233 struct ucred *file_cred, struct ksem *ks); 234 void mac_posixsem_create(struct ucred *cred, struct ksem *ks); 235 void mac_posixsem_destroy(struct ksem *); 236 void mac_posixsem_init(struct ksem *); 237 238 int mac_posixshm_check_mmap(struct ucred *cred, struct shmfd *shmfd, 239 int prot, int flags); 240 int mac_posixshm_check_open(struct ucred *cred, struct shmfd *shmfd); 241 int mac_posixshm_check_stat(struct ucred *active_cred, 242 struct ucred *file_cred, struct shmfd *shmfd); 243 int mac_posixshm_check_truncate(struct ucred *active_cred, 244 struct ucred *file_cred, struct shmfd *shmfd); 245 int mac_posixshm_check_unlink(struct ucred *cred, struct shmfd *shmfd); 246 void mac_posixshm_create(struct ucred *cred, struct shmfd *shmfd); 247 void mac_posixshm_destroy(struct shmfd *); 248 void mac_posixshm_init(struct shmfd *); 249 250 int mac_priv_check(struct ucred *cred, int priv); 251 int mac_priv_grant(struct ucred *cred, int priv); 252 253 int mac_proc_check_debug(struct ucred *cred, struct proc *p); 254 int mac_proc_check_sched(struct ucred *cred, struct proc *p); 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_destroy(struct proc *); 259 void mac_proc_init(struct proc *); 260 void mac_proc_vm_revoke(struct thread *td); 261 int mac_execve_enter(struct image_params *imgp, struct mac *mac_p); 262 void mac_execve_exit(struct image_params *imgp); 263 void mac_execve_interpreter_enter(struct vnode *interpvp, 264 struct label **interplabel); 265 void mac_execve_interpreter_exit(struct label *interpvplabel); 266 267 int mac_socket_check_accept(struct ucred *cred, struct socket *so); 268 int mac_socket_check_bind(struct ucred *cred, struct socket *so, 269 struct sockaddr *sa); 270 int mac_socket_check_connect(struct ucred *cred, struct socket *so, 271 struct sockaddr *sa); 272 int mac_socket_check_create(struct ucred *cred, int domain, int type, 273 int proto); 274 int mac_socket_check_deliver(struct socket *so, struct mbuf *m); 275 int mac_socket_check_listen(struct ucred *cred, struct socket *so); 276 int mac_socket_check_poll(struct ucred *cred, struct socket *so); 277 int mac_socket_check_receive(struct ucred *cred, struct socket *so); 278 int mac_socket_check_send(struct ucred *cred, struct socket *so); 279 int mac_socket_check_stat(struct ucred *cred, struct socket *so); 280 int mac_socket_check_visible(struct ucred *cred, struct socket *so); 281 void mac_socket_create_mbuf(struct socket *so, struct mbuf *m); 282 void mac_socket_create(struct ucred *cred, struct socket *so); 283 void mac_socket_destroy(struct socket *); 284 int mac_socket_init(struct socket *, int); 285 void mac_socket_newconn(struct socket *oldso, struct socket *newso); 286 int mac_getsockopt_label(struct ucred *cred, struct socket *so, 287 struct mac *extmac); 288 int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so, 289 struct mac *extmac); 290 int mac_setsockopt_label(struct ucred *cred, struct socket *so, 291 struct mac *extmac); 292 293 void mac_socketpeer_set_from_mbuf(struct mbuf *m, struct socket *so); 294 void mac_socketpeer_set_from_socket(struct socket *oldso, 295 struct socket *newso); 296 297 void mac_syncache_create(struct label *l, struct inpcb *inp); 298 void mac_syncache_create_mbuf(struct label *l, struct mbuf *m); 299 void mac_syncache_destroy(struct label **l); 300 int mac_syncache_init(struct label **l); 301 302 int mac_system_check_acct(struct ucred *cred, struct vnode *vp); 303 int mac_system_check_audit(struct ucred *cred, void *record, int length); 304 int mac_system_check_auditctl(struct ucred *cred, struct vnode *vp); 305 int mac_system_check_auditon(struct ucred *cred, int cmd); 306 int mac_system_check_reboot(struct ucred *cred, int howto); 307 int mac_system_check_swapon(struct ucred *cred, struct vnode *vp); 308 int mac_system_check_swapoff(struct ucred *cred, struct vnode *vp); 309 int mac_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp, 310 void *arg1, int arg2, struct sysctl_req *req); 311 312 void mac_sysvmsg_cleanup(struct msg *msgptr); 313 void mac_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr, 314 struct msg *msgptr); 315 void mac_sysvmsg_destroy(struct msg *); 316 void mac_sysvmsg_init(struct msg *); 317 318 int mac_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr, 319 struct msqid_kernel *msqkptr); 320 int mac_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr); 321 int mac_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr); 322 int mac_sysvmsq_check_msqctl(struct ucred *cred, 323 struct msqid_kernel *msqkptr, int cmd); 324 int mac_sysvmsq_check_msqget(struct ucred *cred, 325 struct msqid_kernel *msqkptr); 326 int mac_sysvmsq_check_msqrcv(struct ucred *cred, 327 struct msqid_kernel *msqkptr); 328 int mac_sysvmsq_check_msqsnd(struct ucred *cred, 329 struct msqid_kernel *msqkptr); 330 void mac_sysvmsq_cleanup(struct msqid_kernel *msqkptr); 331 void mac_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr); 332 void mac_sysvmsq_destroy(struct msqid_kernel *); 333 void mac_sysvmsq_init(struct msqid_kernel *); 334 335 int mac_sysvsem_check_semctl(struct ucred *cred, 336 struct semid_kernel *semakptr, int cmd); 337 int mac_sysvsem_check_semget(struct ucred *cred, 338 struct semid_kernel *semakptr); 339 int mac_sysvsem_check_semop(struct ucred *cred, 340 struct semid_kernel *semakptr, size_t accesstype); 341 void mac_sysvsem_cleanup(struct semid_kernel *semakptr); 342 void mac_sysvsem_create(struct ucred *cred, 343 struct semid_kernel *semakptr); 344 void mac_sysvsem_destroy(struct semid_kernel *); 345 void mac_sysvsem_init(struct semid_kernel *); 346 347 int mac_sysvshm_check_shmat(struct ucred *cred, 348 struct shmid_kernel *shmsegptr, int shmflg); 349 int mac_sysvshm_check_shmctl(struct ucred *cred, 350 struct shmid_kernel *shmsegptr, int cmd); 351 int mac_sysvshm_check_shmdt(struct ucred *cred, 352 struct shmid_kernel *shmsegptr); 353 int mac_sysvshm_check_shmget(struct ucred *cred, 354 struct shmid_kernel *shmsegptr, int shmflg); 355 void mac_sysvshm_cleanup(struct shmid_kernel *shmsegptr); 356 void mac_sysvshm_create(struct ucred *cred, 357 struct shmid_kernel *shmsegptr); 358 void mac_sysvshm_destroy(struct shmid_kernel *); 359 void mac_sysvshm_init(struct shmid_kernel *); 360 361 void mac_thread_userret(struct thread *td); 362 363 int mac_vnode_associate_extattr(struct mount *mp, struct vnode *vp); 364 void mac_vnode_associate_singlelabel(struct mount *mp, struct vnode *vp); 365 int mac_vnode_check_access(struct ucred *cred, struct vnode *vp, 366 accmode_t accmode); 367 int mac_vnode_check_chdir(struct ucred *cred, struct vnode *dvp); 368 int mac_vnode_check_chroot(struct ucred *cred, struct vnode *dvp); 369 int mac_vnode_check_create(struct ucred *cred, struct vnode *dvp, 370 struct componentname *cnp, struct vattr *vap); 371 int mac_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp, 372 acl_type_t type); 373 int mac_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp, 374 int attrnamespace, const char *name); 375 int mac_vnode_check_exec(struct ucred *cred, struct vnode *vp, 376 struct image_params *imgp); 377 int mac_vnode_check_getacl(struct ucred *cred, struct vnode *vp, 378 acl_type_t type); 379 int mac_vnode_check_getextattr(struct ucred *cred, struct vnode *vp, 380 int attrnamespace, const char *name, struct uio *uio); 381 int mac_vnode_check_link(struct ucred *cred, struct vnode *dvp, 382 struct vnode *vp, struct componentname *cnp); 383 int mac_vnode_check_listextattr(struct ucred *cred, struct vnode *vp, 384 int attrnamespace); 385 int mac_vnode_check_lookup(struct ucred *cred, struct vnode *dvp, 386 struct componentname *cnp); 387 int mac_vnode_check_mmap(struct ucred *cred, struct vnode *vp, int prot, 388 int flags); 389 int mac_vnode_check_mprotect(struct ucred *cred, struct vnode *vp, 390 int prot); 391 int mac_vnode_check_open(struct ucred *cred, struct vnode *vp, 392 accmode_t accmode); 393 int mac_vnode_check_poll(struct ucred *active_cred, 394 struct ucred *file_cred, struct vnode *vp); 395 int mac_vnode_check_read(struct ucred *active_cred, 396 struct ucred *file_cred, struct vnode *vp); 397 int mac_vnode_check_readdir(struct ucred *cred, struct vnode *vp); 398 int mac_vnode_check_readlink(struct ucred *cred, struct vnode *vp); 399 int mac_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp, 400 struct vnode *vp, struct componentname *cnp); 401 int mac_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp, 402 struct vnode *vp, int samedir, struct componentname *cnp); 403 int mac_vnode_check_revoke(struct ucred *cred, struct vnode *vp); 404 int mac_vnode_check_setacl(struct ucred *cred, struct vnode *vp, 405 acl_type_t type, struct acl *acl); 406 int mac_vnode_check_setextattr(struct ucred *cred, struct vnode *vp, 407 int attrnamespace, const char *name, struct uio *uio); 408 int mac_vnode_check_setflags(struct ucred *cred, struct vnode *vp, 409 u_long flags); 410 int mac_vnode_check_setmode(struct ucred *cred, struct vnode *vp, 411 mode_t mode); 412 int mac_vnode_check_setowner(struct ucred *cred, struct vnode *vp, 413 uid_t uid, gid_t gid); 414 int mac_vnode_check_setutimes(struct ucred *cred, struct vnode *vp, 415 struct timespec atime, struct timespec mtime); 416 int mac_vnode_check_stat(struct ucred *active_cred, 417 struct ucred *file_cred, struct vnode *vp); 418 int mac_vnode_check_unlink(struct ucred *cred, struct vnode *dvp, 419 struct vnode *vp, struct componentname *cnp); 420 int mac_vnode_check_write(struct ucred *active_cred, 421 struct ucred *file_cred, struct vnode *vp); 422 void mac_vnode_copy_label(struct label *, struct label *); 423 void mac_vnode_init(struct vnode *); 424 int mac_vnode_create_extattr(struct ucred *cred, struct mount *mp, 425 struct vnode *dvp, struct vnode *vp, struct componentname *cnp); 426 void mac_vnode_destroy(struct vnode *); 427 void mac_vnode_execve_transition(struct ucred *oldcred, 428 struct ucred *newcred, struct vnode *vp, 429 struct label *interpvplabel, struct image_params *imgp); 430 int mac_vnode_execve_will_transition(struct ucred *cred, 431 struct vnode *vp, struct label *interpvplabel, 432 struct image_params *imgp); 433 void mac_vnode_relabel(struct ucred *cred, struct vnode *vp, 434 struct label *newlabel); 435 436 /* 437 * Calls to help various file systems implement labeling functionality using 438 * their existing EA implementation. 439 */ 440 int vop_stdsetlabel_ea(struct vop_setlabel_args *ap); 441 442 #endif /* !_SECURITY_MAC_MAC_FRAMEWORK_H_ */ 443