1 /*- 2 * Copyright (c) 1999-2002, 2007-2011 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 vattr; 89 struct vnode; 90 struct vop_setlabel_args; 91 92 #include <sys/acl.h> /* XXX acl_type_t */ 93 #include <sys/types.h> /* accmode_t */ 94 95 /* 96 * Entry points to the TrustedBSD MAC Framework from the remainder of the 97 * kernel: entry points are named based on a principle object type and an 98 * action relating to it. They are sorted alphabetically first by object 99 * type and then action. In some situations, the principle object type is 100 * obvious, and in other cases, less so as multiple objects may be inolved 101 * in the operation. 102 */ 103 int mac_bpfdesc_check_receive(struct bpf_d *d, struct ifnet *ifp); 104 void mac_bpfdesc_create(struct ucred *cred, struct bpf_d *d); 105 void mac_bpfdesc_create_mbuf(struct bpf_d *d, struct mbuf *m); 106 void mac_bpfdesc_destroy(struct bpf_d *); 107 void mac_bpfdesc_init(struct bpf_d *); 108 109 void mac_cred_associate_nfsd(struct ucred *cred); 110 int mac_cred_check_setaudit(struct ucred *cred, struct auditinfo *ai); 111 int mac_cred_check_setaudit_addr(struct ucred *cred, 112 struct auditinfo_addr *aia); 113 int mac_cred_check_setauid(struct ucred *cred, uid_t auid); 114 int mac_cred_check_setegid(struct ucred *cred, gid_t egid); 115 int mac_cred_check_seteuid(struct ucred *cred, uid_t euid); 116 int mac_cred_check_setgid(struct ucred *cred, gid_t gid); 117 int mac_cred_check_setgroups(struct ucred *cred, int ngroups, 118 gid_t *gidset); 119 int mac_cred_check_setregid(struct ucred *cred, gid_t rgid, gid_t egid); 120 int mac_cred_check_setresgid(struct ucred *cred, gid_t rgid, gid_t egid, 121 gid_t sgid); 122 int mac_cred_check_setresuid(struct ucred *cred, uid_t ruid, uid_t euid, 123 uid_t suid); 124 int mac_cred_check_setreuid(struct ucred *cred, uid_t ruid, uid_t euid); 125 int mac_cred_check_setuid(struct ucred *cred, uid_t uid); 126 int mac_cred_check_visible(struct ucred *cr1, struct ucred *cr2); 127 void mac_cred_copy(struct ucred *cr1, struct ucred *cr2); 128 void mac_cred_create_init(struct ucred *cred); 129 void mac_cred_create_swapper(struct ucred *cred); 130 void mac_cred_destroy(struct ucred *); 131 void mac_cred_init(struct ucred *); 132 133 void mac_devfs_create_device(struct ucred *cred, struct mount *mp, 134 struct cdev *dev, struct devfs_dirent *de); 135 void mac_devfs_create_directory(struct mount *mp, char *dirname, 136 int dirnamelen, struct devfs_dirent *de); 137 void mac_devfs_create_symlink(struct ucred *cred, struct mount *mp, 138 struct devfs_dirent *dd, struct devfs_dirent *de); 139 void mac_devfs_destroy(struct devfs_dirent *); 140 void mac_devfs_init(struct devfs_dirent *); 141 void mac_devfs_update(struct mount *mp, struct devfs_dirent *de, 142 struct vnode *vp); 143 void mac_devfs_vnode_associate(struct mount *mp, struct devfs_dirent *de, 144 struct vnode *vp); 145 146 int mac_ifnet_check_transmit(struct ifnet *ifp, struct mbuf *m); 147 void mac_ifnet_create(struct ifnet *ifp); 148 void mac_ifnet_create_mbuf(struct ifnet *ifp, struct mbuf *m); 149 void mac_ifnet_destroy(struct ifnet *); 150 void mac_ifnet_init(struct ifnet *); 151 int mac_ifnet_ioctl_get(struct ucred *cred, struct ifreq *ifr, 152 struct ifnet *ifp); 153 int mac_ifnet_ioctl_set(struct ucred *cred, struct ifreq *ifr, 154 struct ifnet *ifp); 155 156 int mac_inpcb_check_deliver(struct inpcb *inp, struct mbuf *m); 157 int mac_inpcb_check_visible(struct ucred *cred, struct inpcb *inp); 158 void mac_inpcb_create(struct socket *so, struct inpcb *inp); 159 void mac_inpcb_create_mbuf(struct inpcb *inp, struct mbuf *m); 160 void mac_inpcb_destroy(struct inpcb *); 161 int mac_inpcb_init(struct inpcb *, int); 162 void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp); 163 164 void mac_ip6q_create(struct mbuf *m, struct ip6q *q6); 165 void mac_ip6q_destroy(struct ip6q *q6); 166 int mac_ip6q_init(struct ip6q *q6, int); 167 int mac_ip6q_match(struct mbuf *m, struct ip6q *q6); 168 void mac_ip6q_reassemble(struct ip6q *q6, struct mbuf *m); 169 void mac_ip6q_update(struct mbuf *m, struct ip6q *q6); 170 171 void mac_ipq_create(struct mbuf *m, struct ipq *q); 172 void mac_ipq_destroy(struct ipq *q); 173 int mac_ipq_init(struct ipq *q, int); 174 int mac_ipq_match(struct mbuf *m, struct ipq *q); 175 void mac_ipq_reassemble(struct ipq *q, struct mbuf *m); 176 void mac_ipq_update(struct mbuf *m, struct ipq *q); 177 178 int mac_kenv_check_dump(struct ucred *cred); 179 int mac_kenv_check_get(struct ucred *cred, char *name); 180 int mac_kenv_check_set(struct ucred *cred, char *name, char *value); 181 int mac_kenv_check_unset(struct ucred *cred, char *name); 182 183 int mac_kld_check_load(struct ucred *cred, struct vnode *vp); 184 int mac_kld_check_stat(struct ucred *cred); 185 186 void mac_mbuf_copy(struct mbuf *, struct mbuf *); 187 int mac_mbuf_init(struct mbuf *, int); 188 189 void mac_mbuf_tag_copy(struct m_tag *, struct m_tag *); 190 void mac_mbuf_tag_destroy(struct m_tag *); 191 int mac_mbuf_tag_init(struct m_tag *, int); 192 193 int mac_mount_check_stat(struct ucred *cred, struct mount *mp); 194 void mac_mount_create(struct ucred *cred, struct mount *mp); 195 void mac_mount_destroy(struct mount *); 196 void mac_mount_init(struct mount *); 197 198 void mac_netinet_arp_send(struct ifnet *ifp, struct mbuf *m); 199 void mac_netinet_firewall_reply(struct mbuf *mrecv, struct mbuf *msend); 200 void mac_netinet_firewall_send(struct mbuf *m); 201 void mac_netinet_fragment(struct mbuf *m, struct mbuf *frag); 202 void mac_netinet_icmp_reply(struct mbuf *mrecv, struct mbuf *msend); 203 void mac_netinet_icmp_replyinplace(struct mbuf *m); 204 void mac_netinet_igmp_send(struct ifnet *ifp, struct mbuf *m); 205 void mac_netinet_tcp_reply(struct mbuf *m); 206 207 void mac_netinet6_nd6_send(struct ifnet *ifp, struct mbuf *m); 208 209 int mac_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp, 210 unsigned long cmd, void *data); 211 int mac_pipe_check_poll(struct ucred *cred, struct pipepair *pp); 212 int mac_pipe_check_read(struct ucred *cred, struct pipepair *pp); 213 int mac_pipe_check_stat(struct ucred *cred, struct pipepair *pp); 214 int mac_pipe_check_write(struct ucred *cred, struct pipepair *pp); 215 void mac_pipe_create(struct ucred *cred, struct pipepair *pp); 216 void mac_pipe_destroy(struct pipepair *); 217 void mac_pipe_init(struct pipepair *); 218 int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp, 219 struct label *label); 220 221 int mac_posixsem_check_getvalue(struct ucred *active_cred, 222 struct ucred *file_cred, struct ksem *ks); 223 int mac_posixsem_check_open(struct ucred *cred, struct ksem *ks); 224 int mac_posixsem_check_post(struct ucred *active_cred, 225 struct ucred *file_cred, struct ksem *ks); 226 int mac_posixsem_check_setmode(struct ucred *cred, struct ksem *ks, 227 mode_t mode); 228 int mac_posixsem_check_setowner(struct ucred *cred, struct ksem *ks, 229 uid_t uid, gid_t gid); 230 int mac_posixsem_check_stat(struct ucred *active_cred, 231 struct ucred *file_cred, struct ksem *ks); 232 int mac_posixsem_check_unlink(struct ucred *cred, struct ksem *ks); 233 int mac_posixsem_check_wait(struct ucred *active_cred, 234 struct ucred *file_cred, struct ksem *ks); 235 void mac_posixsem_create(struct ucred *cred, struct ksem *ks); 236 void mac_posixsem_destroy(struct ksem *); 237 void mac_posixsem_init(struct ksem *); 238 239 int mac_posixshm_check_create(struct ucred *cred, const char *path); 240 int mac_posixshm_check_mmap(struct ucred *cred, struct shmfd *shmfd, 241 int prot, int flags); 242 int mac_posixshm_check_open(struct ucred *cred, struct shmfd *shmfd, 243 accmode_t accmode); 244 int mac_posixshm_check_read(struct ucred *active_cred, 245 struct ucred *file_cred, struct shmfd *shmfd); 246 int mac_posixshm_check_setmode(struct ucred *cred, struct shmfd *shmfd, 247 mode_t mode); 248 int mac_posixshm_check_setowner(struct ucred *cred, struct shmfd *shmfd, 249 uid_t uid, gid_t gid); 250 int mac_posixshm_check_stat(struct ucred *active_cred, 251 struct ucred *file_cred, struct shmfd *shmfd); 252 int mac_posixshm_check_truncate(struct ucred *active_cred, 253 struct ucred *file_cred, struct shmfd *shmfd); 254 int mac_posixshm_check_unlink(struct ucred *cred, struct shmfd *shmfd); 255 int mac_posixshm_check_write(struct ucred *active_cred, 256 struct ucred *file_cred, struct shmfd *shmfd); 257 void mac_posixshm_create(struct ucred *cred, struct shmfd *shmfd); 258 void mac_posixshm_destroy(struct shmfd *); 259 void mac_posixshm_init(struct shmfd *); 260 261 int mac_priv_check_impl(struct ucred *cred, int priv); 262 extern bool mac_priv_check_fp_flag; 263 static inline int 264 mac_priv_check(struct ucred *cred, int priv) 265 { 266 267 if (__predict_false(mac_priv_check_fp_flag)) 268 return (mac_priv_check_impl(cred, priv)); 269 return (0); 270 } 271 272 int mac_priv_grant_impl(struct ucred *cred, int priv); 273 extern bool mac_priv_grant_fp_flag; 274 static inline int 275 mac_priv_grant(struct ucred *cred, int priv) 276 { 277 278 if (__predict_false(mac_priv_grant_fp_flag)) 279 return (mac_priv_grant_impl(cred, priv)); 280 return (EPERM); 281 } 282 283 int mac_proc_check_debug(struct ucred *cred, struct proc *p); 284 int mac_proc_check_sched(struct ucred *cred, struct proc *p); 285 int mac_proc_check_signal(struct ucred *cred, struct proc *p, 286 int signum); 287 int mac_proc_check_wait(struct ucred *cred, struct proc *p); 288 void mac_proc_destroy(struct proc *); 289 void mac_proc_init(struct proc *); 290 void mac_proc_vm_revoke(struct thread *td); 291 int mac_execve_enter(struct image_params *imgp, struct mac *mac_p); 292 void mac_execve_exit(struct image_params *imgp); 293 void mac_execve_interpreter_enter(struct vnode *interpvp, 294 struct label **interplabel); 295 void mac_execve_interpreter_exit(struct label *interpvplabel); 296 297 int mac_socket_check_accept(struct ucred *cred, struct socket *so); 298 int mac_socket_check_bind(struct ucred *cred, struct socket *so, 299 struct sockaddr *sa); 300 int mac_socket_check_connect(struct ucred *cred, struct socket *so, 301 struct sockaddr *sa); 302 int mac_socket_check_create(struct ucred *cred, int domain, int type, 303 int proto); 304 int mac_socket_check_deliver(struct socket *so, struct mbuf *m); 305 int mac_socket_check_listen(struct ucred *cred, struct socket *so); 306 int mac_socket_check_poll(struct ucred *cred, struct socket *so); 307 int mac_socket_check_receive(struct ucred *cred, struct socket *so); 308 int mac_socket_check_send(struct ucred *cred, struct socket *so); 309 int mac_socket_check_stat(struct ucred *cred, struct socket *so); 310 int mac_socket_check_visible(struct ucred *cred, struct socket *so); 311 void mac_socket_create_mbuf(struct socket *so, struct mbuf *m); 312 void mac_socket_create(struct ucred *cred, struct socket *so); 313 void mac_socket_destroy(struct socket *); 314 int mac_socket_init(struct socket *, int); 315 void mac_socket_newconn(struct socket *oldso, struct socket *newso); 316 int mac_getsockopt_label(struct ucred *cred, struct socket *so, 317 struct mac *extmac); 318 int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so, 319 struct mac *extmac); 320 int mac_setsockopt_label(struct ucred *cred, struct socket *so, 321 struct mac *extmac); 322 323 void mac_socketpeer_set_from_mbuf(struct mbuf *m, struct socket *so); 324 void mac_socketpeer_set_from_socket(struct socket *oldso, 325 struct socket *newso); 326 327 void mac_syncache_create(struct label *l, struct inpcb *inp); 328 void mac_syncache_create_mbuf(struct label *l, struct mbuf *m); 329 void mac_syncache_destroy(struct label **l); 330 int mac_syncache_init(struct label **l); 331 332 int mac_system_check_acct(struct ucred *cred, struct vnode *vp); 333 int mac_system_check_audit(struct ucred *cred, void *record, int length); 334 int mac_system_check_auditctl(struct ucred *cred, struct vnode *vp); 335 int mac_system_check_auditon(struct ucred *cred, int cmd); 336 int mac_system_check_reboot(struct ucred *cred, int howto); 337 int mac_system_check_swapon(struct ucred *cred, struct vnode *vp); 338 int mac_system_check_swapoff(struct ucred *cred, struct vnode *vp); 339 int mac_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp, 340 void *arg1, int arg2, struct sysctl_req *req); 341 342 void mac_sysvmsg_cleanup(struct msg *msgptr); 343 void mac_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr, 344 struct msg *msgptr); 345 void mac_sysvmsg_destroy(struct msg *); 346 void mac_sysvmsg_init(struct msg *); 347 348 int mac_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr, 349 struct msqid_kernel *msqkptr); 350 int mac_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr); 351 int mac_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr); 352 int mac_sysvmsq_check_msqctl(struct ucred *cred, 353 struct msqid_kernel *msqkptr, int cmd); 354 int mac_sysvmsq_check_msqget(struct ucred *cred, 355 struct msqid_kernel *msqkptr); 356 int mac_sysvmsq_check_msqrcv(struct ucred *cred, 357 struct msqid_kernel *msqkptr); 358 int mac_sysvmsq_check_msqsnd(struct ucred *cred, 359 struct msqid_kernel *msqkptr); 360 void mac_sysvmsq_cleanup(struct msqid_kernel *msqkptr); 361 void mac_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr); 362 void mac_sysvmsq_destroy(struct msqid_kernel *); 363 void mac_sysvmsq_init(struct msqid_kernel *); 364 365 int mac_sysvsem_check_semctl(struct ucred *cred, 366 struct semid_kernel *semakptr, int cmd); 367 int mac_sysvsem_check_semget(struct ucred *cred, 368 struct semid_kernel *semakptr); 369 int mac_sysvsem_check_semop(struct ucred *cred, 370 struct semid_kernel *semakptr, size_t accesstype); 371 void mac_sysvsem_cleanup(struct semid_kernel *semakptr); 372 void mac_sysvsem_create(struct ucred *cred, 373 struct semid_kernel *semakptr); 374 void mac_sysvsem_destroy(struct semid_kernel *); 375 void mac_sysvsem_init(struct semid_kernel *); 376 377 int mac_sysvshm_check_shmat(struct ucred *cred, 378 struct shmid_kernel *shmsegptr, int shmflg); 379 int mac_sysvshm_check_shmctl(struct ucred *cred, 380 struct shmid_kernel *shmsegptr, int cmd); 381 int mac_sysvshm_check_shmdt(struct ucred *cred, 382 struct shmid_kernel *shmsegptr); 383 int mac_sysvshm_check_shmget(struct ucred *cred, 384 struct shmid_kernel *shmsegptr, int shmflg); 385 void mac_sysvshm_cleanup(struct shmid_kernel *shmsegptr); 386 void mac_sysvshm_create(struct ucred *cred, 387 struct shmid_kernel *shmsegptr); 388 void mac_sysvshm_destroy(struct shmid_kernel *); 389 void mac_sysvshm_init(struct shmid_kernel *); 390 391 void mac_thread_userret(struct thread *td); 392 393 #ifdef DEBUG_VFS_LOCKS 394 void mac_vnode_assert_locked(struct vnode *vp, const char *func); 395 #else 396 #define mac_vnode_assert_locked(vp, func) do { } while (0) 397 #endif 398 399 int mac_vnode_associate_extattr(struct mount *mp, struct vnode *vp); 400 void mac_vnode_associate_singlelabel(struct mount *mp, struct vnode *vp); 401 int mac_vnode_check_access(struct ucred *cred, struct vnode *vp, 402 accmode_t accmode); 403 int mac_vnode_check_chdir(struct ucred *cred, struct vnode *dvp); 404 int mac_vnode_check_chroot(struct ucred *cred, struct vnode *dvp); 405 int mac_vnode_check_create(struct ucred *cred, struct vnode *dvp, 406 struct componentname *cnp, struct vattr *vap); 407 int mac_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp, 408 acl_type_t type); 409 int mac_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp, 410 int attrnamespace, const char *name); 411 int mac_vnode_check_exec(struct ucred *cred, struct vnode *vp, 412 struct image_params *imgp); 413 int mac_vnode_check_getacl(struct ucred *cred, struct vnode *vp, 414 acl_type_t type); 415 int mac_vnode_check_getextattr(struct ucred *cred, struct vnode *vp, 416 int attrnamespace, const char *name); 417 int mac_vnode_check_link(struct ucred *cred, struct vnode *dvp, 418 struct vnode *vp, struct componentname *cnp); 419 int mac_vnode_check_listextattr(struct ucred *cred, struct vnode *vp, 420 int attrnamespace); 421 422 int mac_vnode_check_lookup_impl(struct ucred *cred, struct vnode *dvp, 423 struct componentname *cnp); 424 extern bool mac_vnode_check_lookup_fp_flag; 425 static inline int 426 mac_vnode_check_lookup(struct ucred *cred, struct vnode *dvp, 427 struct componentname *cnp) 428 { 429 430 mac_vnode_assert_locked(dvp, "mac_vnode_check_lookup"); 431 if (__predict_false(mac_vnode_check_lookup_fp_flag)) 432 return (mac_vnode_check_lookup_impl(cred, dvp, cnp)); 433 return (0); 434 } 435 436 int mac_vnode_check_mmap_impl(struct ucred *cred, struct vnode *vp, int prot, 437 int flags); 438 extern bool mac_vnode_check_mmap_fp_flag; 439 static inline int 440 mac_vnode_check_mmap(struct ucred *cred, struct vnode *vp, int prot, 441 int flags) 442 { 443 444 mac_vnode_assert_locked(vp, "mac_vnode_check_mmap"); 445 if (__predict_false(mac_vnode_check_mmap_fp_flag)) 446 return (mac_vnode_check_mmap_impl(cred, vp, prot, flags)); 447 return (0); 448 } 449 450 int mac_vnode_check_open_impl(struct ucred *cred, struct vnode *vp, 451 accmode_t accmode); 452 extern bool mac_vnode_check_open_fp_flag; 453 static inline int 454 mac_vnode_check_open(struct ucred *cred, struct vnode *vp, 455 accmode_t accmode) 456 { 457 458 mac_vnode_assert_locked(vp, "mac_vnode_check_open"); 459 if (__predict_false(mac_vnode_check_open_fp_flag)) 460 return (mac_vnode_check_open_impl(cred, vp, accmode)); 461 return (0); 462 } 463 464 int mac_vnode_check_mprotect(struct ucred *cred, struct vnode *vp, 465 int prot); 466 int mac_vnode_check_poll(struct ucred *active_cred, 467 struct ucred *file_cred, struct vnode *vp); 468 int mac_vnode_check_readdir(struct ucred *cred, struct vnode *vp); 469 int mac_vnode_check_readlink(struct ucred *cred, struct vnode *vp); 470 int mac_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp, 471 struct vnode *vp, struct componentname *cnp); 472 int mac_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp, 473 struct vnode *vp, int samedir, struct componentname *cnp); 474 int mac_vnode_check_revoke(struct ucred *cred, struct vnode *vp); 475 int mac_vnode_check_setacl(struct ucred *cred, struct vnode *vp, 476 acl_type_t type, struct acl *acl); 477 int mac_vnode_check_setextattr(struct ucred *cred, struct vnode *vp, 478 int attrnamespace, const char *name); 479 int mac_vnode_check_setflags(struct ucred *cred, struct vnode *vp, 480 u_long flags); 481 int mac_vnode_check_setmode(struct ucred *cred, struct vnode *vp, 482 mode_t mode); 483 int mac_vnode_check_setowner(struct ucred *cred, struct vnode *vp, 484 uid_t uid, gid_t gid); 485 int mac_vnode_check_setutimes(struct ucred *cred, struct vnode *vp, 486 struct timespec atime, struct timespec mtime); 487 488 int mac_vnode_check_stat_impl(struct ucred *active_cred, 489 struct ucred *file_cred, struct vnode *vp); 490 extern bool mac_vnode_check_stat_fp_flag; 491 static inline int 492 mac_vnode_check_stat(struct ucred *active_cred, struct ucred *file_cred, 493 struct vnode *vp) 494 { 495 496 mac_vnode_assert_locked(vp, "mac_vnode_check_stat"); 497 if (__predict_false(mac_vnode_check_stat_fp_flag)) 498 return (mac_vnode_check_stat_impl(active_cred, file_cred, vp)); 499 return (0); 500 } 501 502 int mac_vnode_check_read_impl(struct ucred *active_cred, 503 struct ucred *file_cred, struct vnode *vp); 504 extern bool mac_vnode_check_read_fp_flag; 505 static inline int 506 mac_vnode_check_read(struct ucred *active_cred, struct ucred *file_cred, 507 struct vnode *vp) 508 { 509 510 mac_vnode_assert_locked(vp, "mac_vnode_check_read"); 511 if (__predict_false(mac_vnode_check_read_fp_flag)) 512 return (mac_vnode_check_read_impl(active_cred, file_cred, vp)); 513 return (0); 514 } 515 516 int mac_vnode_check_write_impl(struct ucred *active_cred, 517 struct ucred *file_cred, struct vnode *vp); 518 extern bool mac_vnode_check_write_fp_flag; 519 static inline int 520 mac_vnode_check_write(struct ucred *active_cred, struct ucred *file_cred, 521 struct vnode *vp) 522 { 523 524 mac_vnode_assert_locked(vp, "mac_vnode_check_write"); 525 if (__predict_false(mac_vnode_check_write_fp_flag)) 526 return (mac_vnode_check_write_impl(active_cred, file_cred, vp)); 527 return (0); 528 } 529 530 int mac_vnode_check_unlink(struct ucred *cred, struct vnode *dvp, 531 struct vnode *vp, struct componentname *cnp); 532 void mac_vnode_copy_label(struct label *, struct label *); 533 void mac_vnode_init(struct vnode *); 534 int mac_vnode_create_extattr(struct ucred *cred, struct mount *mp, 535 struct vnode *dvp, struct vnode *vp, struct componentname *cnp); 536 void mac_vnode_destroy(struct vnode *); 537 void mac_vnode_execve_transition(struct ucred *oldcred, 538 struct ucred *newcred, struct vnode *vp, 539 struct label *interpvplabel, struct image_params *imgp); 540 int mac_vnode_execve_will_transition(struct ucred *cred, 541 struct vnode *vp, struct label *interpvplabel, 542 struct image_params *imgp); 543 void mac_vnode_relabel(struct ucred *cred, struct vnode *vp, 544 struct label *newlabel); 545 546 /* 547 * Calls to help various file systems implement labeling functionality using 548 * their existing EA implementation. 549 */ 550 int vop_stdsetlabel_ea(struct vop_setlabel_args *ap); 551 552 #endif /* !_SECURITY_MAC_MAC_FRAMEWORK_H_ */ 553