mac_framework.h revision 145855
1/*- 2 * Copyright (c) 1999-2002 Robert N. M. Watson 3 * Copyright (c) 2001-2005 Networks Associates Technology, Inc. 4 * All rights reserved. 5 * 6 * This software was developed by Robert Watson for the TrustedBSD Project. 7 * 8 * This software was developed for the FreeBSD Project in part by Network 9 * Associates Laboratories, the Security Research Division of Network 10 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), 11 * as part of the DARPA CHATS research program. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $FreeBSD: head/sys/security/mac/mac_framework.h 145855 2005-05-04 10:39:15Z rwatson $ 35 */ 36/* 37 * Userland/kernel interface for Mandatory Access Control. 38 * 39 * The POSIX.1e implementation page may be reached at: 40 * http://www.trustedbsd.org/ 41 */ 42 43#ifndef _SYS_MAC_H_ 44#define _SYS_MAC_H_ 45 46#include <sys/_label.h> 47 48#ifndef _POSIX_MAC 49#define _POSIX_MAC 50#endif 51 52/* 53 * MAC framework-related constants and limits. 54 */ 55#define MAC_MAX_POLICY_NAME 32 56#define MAC_MAX_LABEL_ELEMENT_NAME 32 57#define MAC_MAX_LABEL_ELEMENT_DATA 4096 58#define MAC_MAX_LABEL_BUF_LEN 8192 59 60struct mac { 61 size_t m_buflen; 62 char *m_string; 63}; 64 65typedef struct mac *mac_t; 66 67#ifndef _KERNEL 68 69/* 70 * Location of the userland MAC framework configuration file. mac.conf 71 * binds policy names to shared libraries that understand those policies, 72 * as well as setting defaults for MAC-aware applications. 73 */ 74#define MAC_CONFFILE "/etc/mac.conf" 75 76/* 77 * Extended non-POSIX.1e interfaces that offer additional services 78 * available from the userland and kernel MAC frameworks. 79 */ 80__BEGIN_DECLS 81int mac_execve(char *fname, char **argv, char **envv, mac_t _label); 82int mac_free(mac_t _label); 83int mac_from_text(mac_t *_label, const char *_text); 84int mac_get_fd(int _fd, mac_t _label); 85int mac_get_file(const char *_path, mac_t _label); 86int mac_get_link(const char *_path, mac_t _label); 87int mac_get_peer(int _fd, mac_t _label); 88int mac_get_pid(pid_t _pid, mac_t _label); 89int mac_get_proc(mac_t _label); 90int mac_is_present(const char *_policyname); 91int mac_prepare(mac_t *_label, const char *_elements); 92int mac_prepare_file_label(mac_t *_label); 93int mac_prepare_ifnet_label(mac_t *_label); 94int mac_prepare_process_label(mac_t *_label); 95int mac_prepare_type(mac_t *_label, const char *_type); 96int mac_set_fd(int _fildes, const mac_t _label); 97int mac_set_file(const char *_path, mac_t _label); 98int mac_set_link(const char *_path, mac_t _label); 99int mac_set_proc(const mac_t _label); 100int mac_syscall(const char *_policyname, int _call, void *_arg); 101int mac_to_text(mac_t mac, char **_text); 102__END_DECLS 103 104#else /* _KERNEL */ 105 106/* 107 * Kernel functions to manage and evaluate labels. 108 */ 109struct bpf_d; 110struct cdev; 111struct componentname; 112struct devfs_dirent; 113struct ifnet; 114struct ifreq; 115struct inpcb; 116struct image_params; 117struct inpcb; 118struct ipq; 119struct ksem; 120struct m_tag; 121struct mbuf; 122struct mount; 123struct msg; 124struct msqid_kernel; 125struct proc; 126struct semid_kernel; 127struct shmid_kernel; 128struct sockaddr; 129struct socket; 130struct sysctl_oid; 131struct sysctl_req; 132struct pipepair; 133struct thread; 134struct timespec; 135struct ucred; 136struct uio; 137struct vattr; 138struct vnode; 139 140#include <sys/acl.h> /* XXX acl_type_t */ 141 142struct vop_setlabel_args; 143 144/* 145 * Label operations. 146 */ 147void mac_init_bpfdesc(struct bpf_d *); 148void mac_init_cred(struct ucred *); 149void mac_init_devfsdirent(struct devfs_dirent *); 150void mac_init_ifnet(struct ifnet *); 151int mac_init_inpcb(struct inpcb *, int flag); 152void mac_init_sysv_msgmsg(struct msg *); 153void mac_init_sysv_msgqueue(struct msqid_kernel*); 154void mac_init_sysv_sema(struct semid_kernel*); 155void mac_init_sysv_shm(struct shmid_kernel*); 156int mac_init_ipq(struct ipq *, int flag); 157int mac_init_socket(struct socket *, int flag); 158void mac_init_pipe(struct pipepair *); 159void mac_init_posix_sem(struct ksem *); 160int mac_init_mbuf(struct mbuf *mbuf, int flag); 161int mac_init_mbuf_tag(struct m_tag *, int flag); 162void mac_init_mount(struct mount *); 163void mac_init_proc(struct proc *); 164void mac_init_vnode(struct vnode *); 165void mac_copy_mbuf_tag(struct m_tag *, struct m_tag *); 166void mac_copy_vnode_label(struct label *, struct label *label); 167void mac_destroy_bpfdesc(struct bpf_d *); 168void mac_destroy_cred(struct ucred *); 169void mac_destroy_devfsdirent(struct devfs_dirent *); 170void mac_destroy_ifnet(struct ifnet *); 171void mac_destroy_inpcb(struct inpcb *); 172void mac_destroy_sysv_msgmsg(struct msg *); 173void mac_destroy_sysv_msgqueue(struct msqid_kernel *); 174void mac_destroy_sysv_sema(struct semid_kernel *); 175void mac_destroy_sysv_shm(struct shmid_kernel *); 176void mac_destroy_ipq(struct ipq *); 177void mac_destroy_socket(struct socket *); 178void mac_destroy_pipe(struct pipepair *); 179void mac_destroy_posix_sem(struct ksem *); 180void mac_destroy_proc(struct proc *); 181void mac_destroy_mbuf_tag(struct m_tag *); 182void mac_destroy_mount(struct mount *); 183void mac_destroy_vnode(struct vnode *); 184 185struct label *mac_cred_label_alloc(void); 186void mac_cred_label_free(struct label *label); 187struct label *mac_vnode_label_alloc(void); 188void mac_vnode_label_free(struct label *label); 189 190/* 191 * Labeling event operations: file system objects, and things that 192 * look a lot like file system objects. 193 */ 194void mac_associate_vnode_devfs(struct mount *mp, struct devfs_dirent *de, 195 struct vnode *vp); 196int mac_associate_vnode_extattr(struct mount *mp, struct vnode *vp); 197void mac_associate_vnode_singlelabel(struct mount *mp, struct vnode *vp); 198void mac_create_devfs_device(struct mount *mp, struct cdev *dev, 199 struct devfs_dirent *de); 200void mac_create_devfs_directory(struct mount *mp, char *dirname, 201 int dirnamelen, struct devfs_dirent *de); 202void mac_create_devfs_symlink(struct ucred *cred, struct mount *mp, 203 struct devfs_dirent *dd, struct devfs_dirent *de); 204int mac_create_vnode_extattr(struct ucred *cred, struct mount *mp, 205 struct vnode *dvp, struct vnode *vp, struct componentname *cnp); 206void mac_create_mount(struct ucred *cred, struct mount *mp); 207void mac_create_root_mount(struct ucred *cred, struct mount *mp); 208void mac_relabel_vnode(struct ucred *cred, struct vnode *vp, 209 struct label *newlabel); 210void mac_update_devfsdirent(struct mount *mp, struct devfs_dirent *de, 211 struct vnode *vp); 212 213/* 214 * Labeling event operations: IPC objects. 215 */ 216void mac_create_mbuf_from_socket(struct socket *so, struct mbuf *m); 217void mac_create_socket(struct ucred *cred, struct socket *socket); 218void mac_create_socket_from_socket(struct socket *oldsocket, 219 struct socket *newsocket); 220void mac_set_socket_peer_from_mbuf(struct mbuf *mbuf, 221 struct socket *socket); 222void mac_set_socket_peer_from_socket(struct socket *oldsocket, 223 struct socket *newsocket); 224void mac_create_pipe(struct ucred *cred, struct pipepair *pp); 225 226/* 227 * Labeling event operations: System V IPC primitives 228 */ 229void mac_create_sysv_msgmsg(struct ucred *cred, 230 struct msqid_kernel *msqkptr, struct msg *msgptr); 231void mac_create_sysv_msgqueue(struct ucred *cred, 232 struct msqid_kernel *msqkptr); 233void mac_create_sysv_sema(struct ucred *cred, 234 struct semid_kernel *semakptr); 235void mac_create_sysv_shm(struct ucred *cred, 236 struct shmid_kernel *shmsegptr); 237 238/* 239 * Labeling event operations: POSIX (global/inter-process) semaphores. 240 */ 241void mac_create_posix_sem(struct ucred *cred, struct ksem *ksemptr); 242 243 244/* 245 * Labeling event operations: network objects. 246 */ 247void mac_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d); 248void mac_create_ifnet(struct ifnet *ifp); 249void mac_create_inpcb_from_socket(struct socket *so, struct inpcb *inp); 250void mac_create_ipq(struct mbuf *fragment, struct ipq *ipq); 251void mac_create_datagram_from_ipq(struct ipq *ipq, struct mbuf *datagram); 252void mac_create_fragment(struct mbuf *datagram, struct mbuf *fragment); 253void mac_create_mbuf_from_inpcb(struct inpcb *inp, struct mbuf *m); 254void mac_create_mbuf_from_mbuf(struct mbuf *oldmbuf, struct mbuf *newmbuf); 255void mac_create_mbuf_linklayer(struct ifnet *ifnet, struct mbuf *m); 256void mac_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct mbuf *m); 257void mac_create_mbuf_from_ifnet(struct ifnet *ifnet, struct mbuf *m); 258void mac_create_mbuf_multicast_encap(struct mbuf *oldmbuf, 259 struct ifnet *ifnet, struct mbuf *newmbuf); 260void mac_create_mbuf_netlayer(struct mbuf *oldmbuf, struct mbuf *newmbuf); 261int mac_fragment_match(struct mbuf *fragment, struct ipq *ipq); 262void mac_reflect_mbuf_icmp(struct mbuf *m); 263void mac_reflect_mbuf_tcp(struct mbuf *m); 264void mac_update_ipq(struct mbuf *fragment, struct ipq *ipq); 265void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp); 266 267/* 268 * Labeling event operations: processes. 269 */ 270void mac_copy_cred(struct ucred *cr1, struct ucred *cr2); 271int mac_execve_enter(struct image_params *imgp, struct mac *mac_p); 272void mac_execve_exit(struct image_params *imgp); 273void mac_execve_transition(struct ucred *old, struct ucred *new, 274 struct vnode *vp, struct label *interpvnodelabel, 275 struct image_params *imgp); 276int mac_execve_will_transition(struct ucred *old, struct vnode *vp, 277 struct label *interpvnodelabel, struct image_params *imgp); 278void mac_create_proc0(struct ucred *cred); 279void mac_create_proc1(struct ucred *cred); 280void mac_thread_userret(struct thread *td); 281 282/* 283 * Label cleanup operation: This is the inverse complement for the 284 * mac_create and associate type of hooks. This hook lets the policy 285 * module(s) perform a cleanup/flushing operation on the label 286 * associated with the objects, without freeing up the space allocated. 287 * This hook is useful in cases where it is desirable to remove any 288 * labeling reference when recycling any object to a pool. This hook 289 * does not replace the mac_destroy hooks. 290 */ 291void mac_cleanup_sysv_msgmsg(struct msg *msgptr); 292void mac_cleanup_sysv_msgqueue(struct msqid_kernel *msqkptr); 293void mac_cleanup_sysv_sema(struct semid_kernel *semakptr); 294void mac_cleanup_sysv_shm(struct shmid_kernel *shmsegptr); 295 296/* Access control checks. */ 297int mac_check_bpfdesc_receive(struct bpf_d *bpf_d, struct ifnet *ifnet); 298int mac_check_cred_visible(struct ucred *u1, struct ucred *u2); 299int mac_check_ifnet_transmit(struct ifnet *ifnet, struct mbuf *m); 300int mac_check_inpcb_deliver(struct inpcb *inp, struct mbuf *m); 301int mac_check_sysv_msgmsq(struct ucred *cred, struct msg *msgptr, 302 struct msqid_kernel *msqkptr); 303int mac_check_sysv_msgrcv(struct ucred *cred, struct msg *msgptr); 304int mac_check_sysv_msgrmid(struct ucred *cred, struct msg *msgptr); 305int mac_check_sysv_msqget(struct ucred *cred, 306 struct msqid_kernel *msqkptr); 307int mac_check_sysv_msqsnd(struct ucred *cred, 308 struct msqid_kernel *msqkptr); 309int mac_check_sysv_msqrcv(struct ucred *cred, 310 struct msqid_kernel *msqkptr); 311int mac_check_sysv_msqctl(struct ucred *cred, 312 struct msqid_kernel *msqkptr, int cmd); 313int mac_check_sysv_semctl(struct ucred *cred, 314 struct semid_kernel *semakptr, int cmd); 315int mac_check_sysv_semget(struct ucred *cred, 316 struct semid_kernel *semakptr); 317int mac_check_sysv_semop(struct ucred *cred,struct semid_kernel *semakptr, 318 size_t accesstype); 319int mac_check_sysv_shmat(struct ucred *cred, 320 struct shmid_kernel *shmsegptr, int shmflg); 321int mac_check_sysv_shmctl(struct ucred *cred, 322 struct shmid_kernel *shmsegptr, int cmd); 323int mac_check_sysv_shmdt(struct ucred *cred, 324 struct shmid_kernel *shmsegptr); 325int mac_check_sysv_shmget(struct ucred *cred, 326 struct shmid_kernel *shmsegptr, int shmflg); 327int mac_check_kenv_dump(struct ucred *cred); 328int mac_check_kenv_get(struct ucred *cred, char *name); 329int mac_check_kenv_set(struct ucred *cred, char *name, char *value); 330int mac_check_kenv_unset(struct ucred *cred, char *name); 331int mac_check_kld_load(struct ucred *cred, struct vnode *vp); 332int mac_check_kld_stat(struct ucred *cred); 333int mac_check_kld_unload(struct ucred *cred); 334int mac_check_mount_stat(struct ucred *cred, struct mount *mp); 335int mac_check_pipe_ioctl(struct ucred *cred, struct pipepair *pp, 336 unsigned long cmd, void *data); 337int mac_check_pipe_poll(struct ucred *cred, struct pipepair *pp); 338int mac_check_pipe_read(struct ucred *cred, struct pipepair *pp); 339int mac_check_pipe_stat(struct ucred *cred, struct pipepair *pp); 340int mac_check_pipe_write(struct ucred *cred, struct pipepair *pp); 341int mac_check_posix_sem_destroy(struct ucred *cred, struct ksem *ksemptr); 342int mac_check_posix_sem_getvalue(struct ucred *cred,struct ksem *ksemptr); 343int mac_check_posix_sem_open(struct ucred *cred, struct ksem *ksemptr); 344int mac_check_posix_sem_post(struct ucred *cred, struct ksem *ksemptr); 345int mac_check_posix_sem_unlink(struct ucred *cred, struct ksem *ksemptr); 346int mac_check_posix_sem_wait(struct ucred *cred, struct ksem *ksemptr); 347int mac_check_proc_debug(struct ucred *cred, struct proc *proc); 348int mac_check_proc_sched(struct ucred *cred, struct proc *proc); 349int mac_check_proc_setuid(struct proc *proc, struct ucred *cred, 350 uid_t uid); 351int mac_check_proc_seteuid(struct proc *proc, struct ucred *cred, 352 uid_t euid); 353int mac_check_proc_setgid(struct proc *proc, struct ucred *cred, 354 gid_t gid); 355int mac_check_proc_setegid(struct proc *proc, struct ucred *cred, 356 gid_t egid); 357int mac_check_proc_setgroups(struct proc *proc, struct ucred *cred, 358 int ngroups, gid_t *gidset); 359int mac_check_proc_setreuid(struct proc *proc, struct ucred *cred, 360 uid_t ruid, uid_t euid); 361int mac_check_proc_setregid(struct proc *proc, struct ucred *cred, 362 gid_t rgid, gid_t egid); 363int mac_check_proc_setresuid(struct proc *proc, struct ucred *cred, 364 uid_t ruid, uid_t euid, uid_t suid); 365int mac_check_proc_setresgid(struct proc *proc, struct ucred *cred, 366 gid_t rgid, gid_t egid, gid_t sgid); 367int mac_check_proc_signal(struct ucred *cred, struct proc *proc, 368 int signum); 369int mac_check_proc_wait(struct ucred *cred, struct proc *proc); 370int mac_check_socket_accept(struct ucred *cred, struct socket *so); 371int mac_check_socket_bind(struct ucred *cred, struct socket *so, 372 struct sockaddr *sockaddr); 373int mac_check_socket_connect(struct ucred *cred, struct socket *so, 374 struct sockaddr *sockaddr); 375int mac_check_socket_deliver(struct socket *so, struct mbuf *m); 376int mac_check_socket_listen(struct ucred *cred, struct socket *so); 377int mac_check_socket_poll(struct ucred *cred, struct socket *so); 378int mac_check_socket_receive(struct ucred *cred, struct socket *so); 379int mac_check_socket_send(struct ucred *cred, struct socket *so); 380int mac_check_socket_stat(struct ucred *cred, struct socket *so); 381int mac_check_socket_visible(struct ucred *cred, struct socket *so); 382int mac_check_sysarch_ioperm(struct ucred *cred); 383int mac_check_system_acct(struct ucred *cred, struct vnode *vp); 384int mac_check_system_nfsd(struct ucred *cred); 385int mac_check_system_reboot(struct ucred *cred, int howto); 386int mac_check_system_settime(struct ucred *cred); 387int mac_check_system_swapon(struct ucred *cred, struct vnode *vp); 388int mac_check_system_swapoff(struct ucred *cred, struct vnode *vp); 389int mac_check_system_sysctl(struct ucred *cred, struct sysctl_oid *oidp, 390 void *arg1, int arg2, struct sysctl_req *req); 391int mac_check_vnode_access(struct ucred *cred, struct vnode *vp, 392 int acc_mode); 393int mac_check_vnode_chdir(struct ucred *cred, struct vnode *dvp); 394int mac_check_vnode_chroot(struct ucred *cred, struct vnode *dvp); 395int mac_check_vnode_create(struct ucred *cred, struct vnode *dvp, 396 struct componentname *cnp, struct vattr *vap); 397int mac_check_vnode_delete(struct ucred *cred, struct vnode *dvp, 398 struct vnode *vp, struct componentname *cnp); 399int mac_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp, 400 acl_type_t type); 401int mac_check_vnode_deleteextattr(struct ucred *cred, struct vnode *vp, 402 int attrnamespace, const char *name); 403int mac_check_vnode_exec(struct ucred *cred, struct vnode *vp, 404 struct image_params *imgp); 405int mac_check_vnode_getacl(struct ucred *cred, struct vnode *vp, 406 acl_type_t type); 407int mac_check_vnode_getextattr(struct ucred *cred, struct vnode *vp, 408 int attrnamespace, const char *name, struct uio *uio); 409int mac_check_vnode_link(struct ucred *cred, struct vnode *dvp, 410 struct vnode *vp, struct componentname *cnp); 411int mac_check_vnode_listextattr(struct ucred *cred, struct vnode *vp, 412 int attrnamespace); 413int mac_check_vnode_lookup(struct ucred *cred, struct vnode *dvp, 414 struct componentname *cnp); 415int mac_check_vnode_mmap(struct ucred *cred, struct vnode *vp, 416 int prot, int flags); 417int mac_check_vnode_mprotect(struct ucred *cred, struct vnode *vp, 418 int prot); 419int mac_check_vnode_open(struct ucred *cred, struct vnode *vp, 420 int acc_mode); 421int mac_check_vnode_poll(struct ucred *active_cred, 422 struct ucred *file_cred, struct vnode *vp); 423int mac_check_vnode_read(struct ucred *active_cred, 424 struct ucred *file_cred, struct vnode *vp); 425int mac_check_vnode_readdir(struct ucred *cred, struct vnode *vp); 426int mac_check_vnode_readlink(struct ucred *cred, struct vnode *vp); 427int mac_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp, 428 struct vnode *vp, struct componentname *cnp); 429int mac_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp, 430 struct vnode *vp, int samedir, struct componentname *cnp); 431int mac_check_vnode_revoke(struct ucred *cred, struct vnode *vp); 432int mac_check_vnode_setacl(struct ucred *cred, struct vnode *vp, 433 acl_type_t type, struct acl *acl); 434int mac_check_vnode_setextattr(struct ucred *cred, struct vnode *vp, 435 int attrnamespace, const char *name, struct uio *uio); 436int mac_check_vnode_setflags(struct ucred *cred, struct vnode *vp, 437 u_long flags); 438int mac_check_vnode_setmode(struct ucred *cred, struct vnode *vp, 439 mode_t mode); 440int mac_check_vnode_setowner(struct ucred *cred, struct vnode *vp, 441 uid_t uid, gid_t gid); 442int mac_check_vnode_setutimes(struct ucred *cred, struct vnode *vp, 443 struct timespec atime, struct timespec mtime); 444int mac_check_vnode_stat(struct ucred *active_cred, 445 struct ucred *file_cred, struct vnode *vp); 446int mac_check_vnode_write(struct ucred *active_cred, 447 struct ucred *file_cred, struct vnode *vp); 448int mac_getsockopt_label(struct ucred *cred, struct socket *so, 449 struct mac *extmac); 450int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so, 451 struct mac *extmac); 452int mac_ioctl_ifnet_get(struct ucred *cred, struct ifreq *ifr, 453 struct ifnet *ifnet); 454int mac_ioctl_ifnet_set(struct ucred *cred, struct ifreq *ifr, 455 struct ifnet *ifnet); 456int mac_setsockopt_label(struct ucred *cred, struct socket *so, 457 struct mac *extmac); 458int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp, 459 struct label *label); 460void mac_cred_mmapped_drop_perms(struct thread *td, struct ucred *cred); 461 462/* 463 * Calls to help various file systems implement labeling functionality 464 * using their existing EA implementation. 465 */ 466int vop_stdsetlabel_ea(struct vop_setlabel_args *ap); 467 468#endif /* !_KERNEL */ 469 470#endif /* !_SYS_MAC_H_ */ 471