1 /*- 2 * Copyright (c) 1999-2002 Robert N. M. Watson 3 * Copyright (c) 2001-2005 Networks Associates Technology, Inc. 4 * Copyright (c) 2005 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 * Userland/kernel interface for Mandatory Access Control. 42 * 43 * The POSIX.1e implementation page may be reached at: 44 * http://www.trustedbsd.org/ 45 */ 46 47 #ifndef _SYS_MAC_H_ 48 #define _SYS_MAC_H_ 49 50 #include <sys/_label.h> 51 52 #ifndef _POSIX_MAC 53 #define _POSIX_MAC 54 #endif 55 56 /* 57 * MAC framework-related constants and limits. 58 */ 59 #define MAC_MAX_POLICY_NAME 32 60 #define MAC_MAX_LABEL_ELEMENT_NAME 32 61 #define MAC_MAX_LABEL_ELEMENT_DATA 4096 62 #define MAC_MAX_LABEL_BUF_LEN 8192 63 64 struct mac { 65 size_t m_buflen; 66 char *m_string; 67 }; 68 69 typedef struct mac *mac_t; 70 71 #ifndef _KERNEL 72 73 /* 74 * Location of the userland MAC framework configuration file. mac.conf 75 * binds policy names to shared libraries that understand those policies, 76 * as well as setting defaults for MAC-aware applications. 77 */ 78 #define MAC_CONFFILE "/etc/mac.conf" 79 80 /* 81 * Extended non-POSIX.1e interfaces that offer additional services 82 * available from the userland and kernel MAC frameworks. 83 */ 84 __BEGIN_DECLS 85 int mac_execve(char *fname, char **argv, char **envv, mac_t _label); 86 int mac_free(mac_t _label); 87 int mac_from_text(mac_t *_label, const char *_text); 88 int mac_get_fd(int _fd, mac_t _label); 89 int mac_get_file(const char *_path, mac_t _label); 90 int mac_get_link(const char *_path, mac_t _label); 91 int mac_get_peer(int _fd, mac_t _label); 92 int mac_get_pid(pid_t _pid, mac_t _label); 93 int mac_get_proc(mac_t _label); 94 int mac_is_present(const char *_policyname); 95 int mac_prepare(mac_t *_label, const char *_elements); 96 int mac_prepare_file_label(mac_t *_label); 97 int mac_prepare_ifnet_label(mac_t *_label); 98 int mac_prepare_process_label(mac_t *_label); 99 int mac_prepare_type(mac_t *_label, const char *_type); 100 int mac_set_fd(int _fildes, const mac_t _label); 101 int mac_set_file(const char *_path, mac_t _label); 102 int mac_set_link(const char *_path, mac_t _label); 103 int mac_set_proc(const mac_t _label); 104 int mac_syscall(const char *_policyname, int _call, void *_arg); 105 int mac_to_text(mac_t mac, char **_text); 106 __END_DECLS 107 108 #else /* _KERNEL */ 109 110 /* 111 * Kernel functions to manage and evaluate labels. 112 */ 113 struct bpf_d; 114 struct cdev; 115 struct componentname; 116 struct devfs_dirent; 117 struct ifnet; 118 struct ifreq; 119 struct inpcb; 120 struct image_params; 121 struct inpcb; 122 struct ipq; 123 struct ksem; 124 struct m_tag; 125 struct mbuf; 126 struct mount; 127 struct msg; 128 struct msqid_kernel; 129 struct proc; 130 struct semid_kernel; 131 struct shmid_kernel; 132 struct sockaddr; 133 struct socket; 134 struct sysctl_oid; 135 struct sysctl_req; 136 struct pipepair; 137 struct thread; 138 struct timespec; 139 struct ucred; 140 struct uio; 141 struct vattr; 142 struct vnode; 143 144 #include <sys/acl.h> /* XXX acl_type_t */ 145 146 struct vop_setlabel_args; 147 148 /* 149 * Label operations. 150 */ 151 void mac_init_bpfdesc(struct bpf_d *); 152 void mac_init_cred(struct ucred *); 153 void mac_init_devfsdirent(struct devfs_dirent *); 154 void mac_init_ifnet(struct ifnet *); 155 int mac_init_inpcb(struct inpcb *, int flag); 156 void mac_init_sysv_msgmsg(struct msg *); 157 void mac_init_sysv_msgqueue(struct msqid_kernel*); 158 void mac_init_sysv_sem(struct semid_kernel*); 159 void mac_init_sysv_shm(struct shmid_kernel*); 160 int mac_init_ipq(struct ipq *, int flag); 161 int mac_init_socket(struct socket *, int flag); 162 void mac_init_pipe(struct pipepair *); 163 void mac_init_posix_sem(struct ksem *); 164 int mac_init_mbuf(struct mbuf *mbuf, int flag); 165 int mac_init_mbuf_tag(struct m_tag *, int flag); 166 void mac_init_mount(struct mount *); 167 void mac_init_proc(struct proc *); 168 void mac_init_vnode(struct vnode *); 169 void mac_copy_mbuf(struct mbuf *m_from, struct mbuf *m_to); 170 void mac_copy_mbuf_tag(struct m_tag *, struct m_tag *); 171 void mac_copy_vnode_label(struct label *, struct label *label); 172 void mac_destroy_bpfdesc(struct bpf_d *); 173 void mac_destroy_cred(struct ucred *); 174 void mac_destroy_devfsdirent(struct devfs_dirent *); 175 void mac_destroy_ifnet(struct ifnet *); 176 void mac_destroy_inpcb(struct inpcb *); 177 void mac_destroy_sysv_msgmsg(struct msg *); 178 void mac_destroy_sysv_msgqueue(struct msqid_kernel *); 179 void mac_destroy_sysv_sem(struct semid_kernel *); 180 void mac_destroy_sysv_shm(struct shmid_kernel *); 181 void mac_destroy_ipq(struct ipq *); 182 void mac_destroy_socket(struct socket *); 183 void mac_destroy_pipe(struct pipepair *); 184 void mac_destroy_posix_sem(struct ksem *); 185 void mac_destroy_proc(struct proc *); 186 void mac_destroy_mbuf_tag(struct m_tag *); 187 void mac_destroy_mount(struct mount *); 188 void mac_destroy_vnode(struct vnode *); 189 190 struct label *mac_cred_label_alloc(void); 191 void mac_cred_label_free(struct label *label); 192 struct label *mac_vnode_label_alloc(void); 193 void mac_vnode_label_free(struct label *label); 194 195 /* 196 * Labeling event operations: file system objects, and things that 197 * look a lot like file system objects. 198 */ 199 void mac_associate_vnode_devfs(struct mount *mp, struct devfs_dirent *de, 200 struct vnode *vp); 201 int mac_associate_vnode_extattr(struct mount *mp, struct vnode *vp); 202 void mac_associate_vnode_singlelabel(struct mount *mp, struct vnode *vp); 203 void mac_create_devfs_device(struct ucred *cred, struct mount *mp, 204 struct cdev *dev, struct devfs_dirent *de); 205 void mac_create_devfs_directory(struct mount *mp, char *dirname, 206 int dirnamelen, struct devfs_dirent *de); 207 void mac_create_devfs_symlink(struct ucred *cred, struct mount *mp, 208 struct devfs_dirent *dd, struct devfs_dirent *de); 209 int mac_create_vnode_extattr(struct ucred *cred, struct mount *mp, 210 struct vnode *dvp, struct vnode *vp, struct componentname *cnp); 211 void mac_create_mount(struct ucred *cred, struct mount *mp); 212 void mac_relabel_vnode(struct ucred *cred, struct vnode *vp, 213 struct label *newlabel); 214 void mac_update_devfsdirent(struct mount *mp, struct devfs_dirent *de, 215 struct vnode *vp); 216 217 /* 218 * Labeling event operations: IPC objects. 219 */ 220 void mac_create_mbuf_from_socket(struct socket *so, struct mbuf *m); 221 void mac_create_socket(struct ucred *cred, struct socket *socket); 222 void mac_create_socket_from_socket(struct socket *oldsocket, 223 struct socket *newsocket); 224 void mac_set_socket_peer_from_mbuf(struct mbuf *mbuf, 225 struct socket *socket); 226 void mac_set_socket_peer_from_socket(struct socket *oldsocket, 227 struct socket *newsocket); 228 void mac_create_pipe(struct ucred *cred, struct pipepair *pp); 229 230 /* 231 * Labeling event operations: System V IPC primitives 232 */ 233 void mac_create_sysv_msgmsg(struct ucred *cred, 234 struct msqid_kernel *msqkptr, struct msg *msgptr); 235 void mac_create_sysv_msgqueue(struct ucred *cred, 236 struct msqid_kernel *msqkptr); 237 void mac_create_sysv_sem(struct ucred *cred, 238 struct semid_kernel *semakptr); 239 void mac_create_sysv_shm(struct ucred *cred, 240 struct shmid_kernel *shmsegptr); 241 242 /* 243 * Labeling event operations: POSIX (global/inter-process) semaphores. 244 */ 245 void mac_create_posix_sem(struct ucred *cred, struct ksem *ksemptr); 246 247 248 /* 249 * Labeling event operations: network objects. 250 */ 251 void mac_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d); 252 void mac_create_ifnet(struct ifnet *ifp); 253 void mac_create_inpcb_from_socket(struct socket *so, struct inpcb *inp); 254 void mac_create_ipq(struct mbuf *fragment, struct ipq *ipq); 255 void mac_create_datagram_from_ipq(struct ipq *ipq, struct mbuf *datagram); 256 void mac_create_fragment(struct mbuf *datagram, struct mbuf *fragment); 257 void mac_create_mbuf_from_inpcb(struct inpcb *inp, struct mbuf *m); 258 void mac_create_mbuf_linklayer(struct ifnet *ifnet, struct mbuf *m); 259 void mac_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct mbuf *m); 260 void mac_create_mbuf_from_ifnet(struct ifnet *ifnet, struct mbuf *m); 261 void mac_create_mbuf_multicast_encap(struct mbuf *oldmbuf, 262 struct ifnet *ifnet, struct mbuf *newmbuf); 263 void mac_create_mbuf_netlayer(struct mbuf *oldmbuf, struct mbuf *newmbuf); 264 int mac_fragment_match(struct mbuf *fragment, struct ipq *ipq); 265 void mac_reflect_mbuf_icmp(struct mbuf *m); 266 void mac_reflect_mbuf_tcp(struct mbuf *m); 267 void mac_update_ipq(struct mbuf *fragment, struct ipq *ipq); 268 void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp); 269 270 void mac_create_mbuf_from_firewall(struct mbuf *m); 271 /* 272 * Labeling event operations: processes. 273 */ 274 void mac_copy_cred(struct ucred *cr1, struct ucred *cr2); 275 int mac_execve_enter(struct image_params *imgp, struct mac *mac_p); 276 void mac_execve_exit(struct image_params *imgp); 277 void mac_execve_transition(struct ucred *old, struct ucred *new, 278 struct vnode *vp, struct label *interpvnodelabel, 279 struct image_params *imgp); 280 int mac_execve_will_transition(struct ucred *old, struct vnode *vp, 281 struct label *interpvnodelabel, struct image_params *imgp); 282 void mac_create_proc0(struct ucred *cred); 283 void mac_create_proc1(struct ucred *cred); 284 void mac_thread_userret(struct thread *td); 285 286 /* 287 * Label cleanup operation: This is the inverse complement for the 288 * mac_create and associate type of hooks. This hook lets the policy 289 * module(s) perform a cleanup/flushing operation on the label 290 * associated with the objects, without freeing up the space allocated. 291 * This hook is useful in cases where it is desirable to remove any 292 * labeling reference when recycling any object to a pool. This hook 293 * does not replace the mac_destroy hooks. 294 */ 295 void mac_cleanup_sysv_msgmsg(struct msg *msgptr); 296 void mac_cleanup_sysv_msgqueue(struct msqid_kernel *msqkptr); 297 void mac_cleanup_sysv_sem(struct semid_kernel *semakptr); 298 void mac_cleanup_sysv_shm(struct shmid_kernel *shmsegptr); 299 300 /* Access control checks. */ 301 int mac_check_bpfdesc_receive(struct bpf_d *bpf_d, struct ifnet *ifnet); 302 int mac_check_cred_visible(struct ucred *u1, struct ucred *u2); 303 int mac_check_ifnet_transmit(struct ifnet *ifnet, struct mbuf *m); 304 int mac_check_inpcb_deliver(struct inpcb *inp, struct mbuf *m); 305 int mac_check_sysv_msgmsq(struct ucred *cred, struct msg *msgptr, 306 struct msqid_kernel *msqkptr); 307 int mac_check_sysv_msgrcv(struct ucred *cred, struct msg *msgptr); 308 int mac_check_sysv_msgrmid(struct ucred *cred, struct msg *msgptr); 309 int mac_check_sysv_msqget(struct ucred *cred, 310 struct msqid_kernel *msqkptr); 311 int mac_check_sysv_msqsnd(struct ucred *cred, 312 struct msqid_kernel *msqkptr); 313 int mac_check_sysv_msqrcv(struct ucred *cred, 314 struct msqid_kernel *msqkptr); 315 int mac_check_sysv_msqctl(struct ucred *cred, 316 struct msqid_kernel *msqkptr, int cmd); 317 int mac_check_sysv_semctl(struct ucred *cred, 318 struct semid_kernel *semakptr, int cmd); 319 int mac_check_sysv_semget(struct ucred *cred, 320 struct semid_kernel *semakptr); 321 int mac_check_sysv_semop(struct ucred *cred,struct semid_kernel *semakptr, 322 size_t accesstype); 323 int mac_check_sysv_shmat(struct ucred *cred, 324 struct shmid_kernel *shmsegptr, int shmflg); 325 int mac_check_sysv_shmctl(struct ucred *cred, 326 struct shmid_kernel *shmsegptr, int cmd); 327 int mac_check_sysv_shmdt(struct ucred *cred, 328 struct shmid_kernel *shmsegptr); 329 int mac_check_sysv_shmget(struct ucred *cred, 330 struct shmid_kernel *shmsegptr, int shmflg); 331 int mac_check_kenv_dump(struct ucred *cred); 332 int mac_check_kenv_get(struct ucred *cred, char *name); 333 int mac_check_kenv_set(struct ucred *cred, char *name, char *value); 334 int mac_check_kenv_unset(struct ucred *cred, char *name); 335 int mac_check_kld_load(struct ucred *cred, struct vnode *vp); 336 int mac_check_kld_stat(struct ucred *cred); 337 int mac_check_kld_unload(struct ucred *cred); 338 int mac_check_mount_stat(struct ucred *cred, struct mount *mp); 339 int mac_check_pipe_ioctl(struct ucred *cred, struct pipepair *pp, 340 unsigned long cmd, void *data); 341 int mac_check_pipe_poll(struct ucred *cred, struct pipepair *pp); 342 int mac_check_pipe_read(struct ucred *cred, struct pipepair *pp); 343 int mac_check_pipe_stat(struct ucred *cred, struct pipepair *pp); 344 int mac_check_pipe_write(struct ucred *cred, struct pipepair *pp); 345 int mac_check_posix_sem_destroy(struct ucred *cred, struct ksem *ksemptr); 346 int mac_check_posix_sem_getvalue(struct ucred *cred,struct ksem *ksemptr); 347 int mac_check_posix_sem_open(struct ucred *cred, struct ksem *ksemptr); 348 int mac_check_posix_sem_post(struct ucred *cred, struct ksem *ksemptr); 349 int mac_check_posix_sem_unlink(struct ucred *cred, struct ksem *ksemptr); 350 int mac_check_posix_sem_wait(struct ucred *cred, struct ksem *ksemptr); 351 int mac_check_proc_debug(struct ucred *cred, struct proc *proc); 352 int mac_check_proc_sched(struct ucred *cred, struct proc *proc); 353 int mac_check_proc_setuid(struct proc *proc, struct ucred *cred, 354 uid_t uid); 355 int mac_check_proc_seteuid(struct proc *proc, struct ucred *cred, 356 uid_t euid); 357 int mac_check_proc_setgid(struct proc *proc, struct ucred *cred, 358 gid_t gid); 359 int mac_check_proc_setegid(struct proc *proc, struct ucred *cred, 360 gid_t egid); 361 int mac_check_proc_setgroups(struct proc *proc, struct ucred *cred, 362 int ngroups, gid_t *gidset); 363 int mac_check_proc_setreuid(struct proc *proc, struct ucred *cred, 364 uid_t ruid, uid_t euid); 365 int mac_check_proc_setregid(struct proc *proc, struct ucred *cred, 366 gid_t rgid, gid_t egid); 367 int mac_check_proc_setresuid(struct proc *proc, struct ucred *cred, 368 uid_t ruid, uid_t euid, uid_t suid); 369 int mac_check_proc_setresgid(struct proc *proc, struct ucred *cred, 370 gid_t rgid, gid_t egid, gid_t sgid); 371 int mac_check_proc_signal(struct ucred *cred, struct proc *proc, 372 int signum); 373 int mac_check_proc_wait(struct ucred *cred, struct proc *proc); 374 int mac_check_socket_accept(struct ucred *cred, struct socket *so); 375 int mac_check_socket_bind(struct ucred *cred, struct socket *so, 376 struct sockaddr *sockaddr); 377 int mac_check_socket_connect(struct ucred *cred, struct socket *so, 378 struct sockaddr *sockaddr); 379 int mac_check_socket_create(struct ucred *cred, int domain, int type, 380 int protocol); 381 int mac_check_socket_deliver(struct socket *so, struct mbuf *m); 382 int mac_check_socket_listen(struct ucred *cred, struct socket *so); 383 int mac_check_socket_poll(struct ucred *cred, struct socket *so); 384 int mac_check_socket_receive(struct ucred *cred, struct socket *so); 385 int mac_check_socket_send(struct ucred *cred, struct socket *so); 386 int mac_check_socket_stat(struct ucred *cred, struct socket *so); 387 int mac_check_socket_visible(struct ucred *cred, struct socket *so); 388 int mac_check_sysarch_ioperm(struct ucred *cred); 389 int mac_check_system_acct(struct ucred *cred, struct vnode *vp); 390 int mac_check_system_nfsd(struct ucred *cred); 391 int mac_check_system_reboot(struct ucred *cred, int howto); 392 int mac_check_system_settime(struct ucred *cred); 393 int mac_check_system_swapon(struct ucred *cred, struct vnode *vp); 394 int mac_check_system_swapoff(struct ucred *cred, struct vnode *vp); 395 int mac_check_system_sysctl(struct ucred *cred, struct sysctl_oid *oidp, 396 void *arg1, int arg2, struct sysctl_req *req); 397 int mac_check_vnode_access(struct ucred *cred, struct vnode *vp, 398 int acc_mode); 399 int mac_check_vnode_chdir(struct ucred *cred, struct vnode *dvp); 400 int mac_check_vnode_chroot(struct ucred *cred, struct vnode *dvp); 401 int mac_check_vnode_create(struct ucred *cred, struct vnode *dvp, 402 struct componentname *cnp, struct vattr *vap); 403 int mac_check_vnode_delete(struct ucred *cred, struct vnode *dvp, 404 struct vnode *vp, struct componentname *cnp); 405 int mac_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp, 406 acl_type_t type); 407 int mac_check_vnode_deleteextattr(struct ucred *cred, struct vnode *vp, 408 int attrnamespace, const char *name); 409 int mac_check_vnode_exec(struct ucred *cred, struct vnode *vp, 410 struct image_params *imgp); 411 int mac_check_vnode_getacl(struct ucred *cred, struct vnode *vp, 412 acl_type_t type); 413 int mac_check_vnode_getextattr(struct ucred *cred, struct vnode *vp, 414 int attrnamespace, const char *name, struct uio *uio); 415 int mac_check_vnode_link(struct ucred *cred, struct vnode *dvp, 416 struct vnode *vp, struct componentname *cnp); 417 int mac_check_vnode_listextattr(struct ucred *cred, struct vnode *vp, 418 int attrnamespace); 419 int mac_check_vnode_lookup(struct ucred *cred, struct vnode *dvp, 420 struct componentname *cnp); 421 int mac_check_vnode_mmap(struct ucred *cred, struct vnode *vp, 422 int prot, int flags); 423 int mac_check_vnode_mprotect(struct ucred *cred, struct vnode *vp, 424 int prot); 425 int mac_check_vnode_open(struct ucred *cred, struct vnode *vp, 426 int acc_mode); 427 int mac_check_vnode_poll(struct ucred *active_cred, 428 struct ucred *file_cred, struct vnode *vp); 429 int mac_check_vnode_read(struct ucred *active_cred, 430 struct ucred *file_cred, struct vnode *vp); 431 int mac_check_vnode_readdir(struct ucred *cred, struct vnode *vp); 432 int mac_check_vnode_readlink(struct ucred *cred, struct vnode *vp); 433 int mac_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp, 434 struct vnode *vp, struct componentname *cnp); 435 int mac_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp, 436 struct vnode *vp, int samedir, struct componentname *cnp); 437 int mac_check_vnode_revoke(struct ucred *cred, struct vnode *vp); 438 int mac_check_vnode_setacl(struct ucred *cred, struct vnode *vp, 439 acl_type_t type, struct acl *acl); 440 int mac_check_vnode_setextattr(struct ucred *cred, struct vnode *vp, 441 int attrnamespace, const char *name, struct uio *uio); 442 int mac_check_vnode_setflags(struct ucred *cred, struct vnode *vp, 443 u_long flags); 444 int mac_check_vnode_setmode(struct ucred *cred, struct vnode *vp, 445 mode_t mode); 446 int mac_check_vnode_setowner(struct ucred *cred, struct vnode *vp, 447 uid_t uid, gid_t gid); 448 int mac_check_vnode_setutimes(struct ucred *cred, struct vnode *vp, 449 struct timespec atime, struct timespec mtime); 450 int mac_check_vnode_stat(struct ucred *active_cred, 451 struct ucred *file_cred, struct vnode *vp); 452 int mac_check_vnode_write(struct ucred *active_cred, 453 struct ucred *file_cred, struct vnode *vp); 454 int mac_getsockopt_label(struct ucred *cred, struct socket *so, 455 struct mac *extmac); 456 int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so, 457 struct mac *extmac); 458 int mac_ioctl_ifnet_get(struct ucred *cred, struct ifreq *ifr, 459 struct ifnet *ifnet); 460 int mac_ioctl_ifnet_set(struct ucred *cred, struct ifreq *ifr, 461 struct ifnet *ifnet); 462 int mac_setsockopt_label(struct ucred *cred, struct socket *so, 463 struct mac *extmac); 464 int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp, 465 struct label *label); 466 void mac_cred_mmapped_drop_perms(struct thread *td, struct ucred *cred); 467 void mac_associate_nfsd_label(struct ucred *cred); 468 469 /* 470 * Calls to help various file systems implement labeling functionality 471 * using their existing EA implementation. 472 */ 473 int vop_stdsetlabel_ea(struct vop_setlabel_args *ap); 474 475 #endif /* !_KERNEL */ 476 477 #endif /* !_SYS_MAC_H_ */ 478