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_impl(struct ifnet *ifp, struct mbuf *m); 147 #ifdef MAC 148 extern bool mac_ifnet_check_transmit_fp_flag; 149 #else 150 #define mac_ifnet_check_transmit_fp_flag 0 151 #endif 152 #define mac_ifnet_check_transmit_enabled() __predict_false(mac_ifnet_check_transmit_fp_flag) 153 static inline int 154 mac_ifnet_check_transmit(struct ifnet *ifp, struct mbuf *m) 155 { 156 157 if (mac_ifnet_check_transmit_enabled()) 158 return (mac_ifnet_check_transmit_impl(ifp, m)); 159 return (0); 160 } 161 162 void mac_ifnet_create(struct ifnet *ifp); 163 164 void mac_ifnet_create_mbuf_impl(struct ifnet *ifp, struct mbuf *m); 165 #ifdef MAC 166 extern bool mac_ifnet_create_mbuf_fp_flag; 167 #else 168 #define mac_ifnet_create_mbuf_fp_flag 0 169 #endif 170 #define mac_ifnet_create_mbuf_enabled() __predict_false(mac_ifnet_create_mbuf_fp_flag) 171 static inline void 172 mac_ifnet_create_mbuf(struct ifnet *ifp, struct mbuf *m) 173 { 174 175 if (mac_ifnet_create_mbuf_enabled()) 176 mac_ifnet_create_mbuf_impl(ifp, m); 177 } 178 179 void mac_ifnet_destroy(struct ifnet *); 180 void mac_ifnet_init(struct ifnet *); 181 int mac_ifnet_ioctl_get(struct ucred *cred, struct ifreq *ifr, 182 struct ifnet *ifp); 183 int mac_ifnet_ioctl_set(struct ucred *cred, struct ifreq *ifr, 184 struct ifnet *ifp); 185 186 int mac_inpcb_check_deliver(struct inpcb *inp, struct mbuf *m); 187 int mac_inpcb_check_visible(struct ucred *cred, struct inpcb *inp); 188 void mac_inpcb_create(struct socket *so, struct inpcb *inp); 189 void mac_inpcb_create_mbuf(struct inpcb *inp, struct mbuf *m); 190 void mac_inpcb_destroy(struct inpcb *); 191 int mac_inpcb_init(struct inpcb *, int); 192 void mac_inpcb_sosetlabel(struct socket *so, struct inpcb *inp); 193 194 void mac_ip6q_create(struct mbuf *m, struct ip6q *q6); 195 void mac_ip6q_destroy(struct ip6q *q6); 196 int mac_ip6q_init(struct ip6q *q6, int); 197 int mac_ip6q_match(struct mbuf *m, struct ip6q *q6); 198 void mac_ip6q_reassemble(struct ip6q *q6, struct mbuf *m); 199 void mac_ip6q_update(struct mbuf *m, struct ip6q *q6); 200 201 void mac_ipq_create(struct mbuf *m, struct ipq *q); 202 void mac_ipq_destroy(struct ipq *q); 203 int mac_ipq_init(struct ipq *q, int); 204 int mac_ipq_match(struct mbuf *m, struct ipq *q); 205 void mac_ipq_reassemble(struct ipq *q, struct mbuf *m); 206 void mac_ipq_update(struct mbuf *m, struct ipq *q); 207 208 int mac_kenv_check_dump(struct ucred *cred); 209 int mac_kenv_check_get(struct ucred *cred, char *name); 210 int mac_kenv_check_set(struct ucred *cred, char *name, char *value); 211 int mac_kenv_check_unset(struct ucred *cred, char *name); 212 213 int mac_kld_check_load(struct ucred *cred, struct vnode *vp); 214 int mac_kld_check_stat(struct ucred *cred); 215 216 void mac_mbuf_copy(struct mbuf *, struct mbuf *); 217 int mac_mbuf_init(struct mbuf *, int); 218 219 void mac_mbuf_tag_copy(struct m_tag *, struct m_tag *); 220 void mac_mbuf_tag_destroy(struct m_tag *); 221 int mac_mbuf_tag_init(struct m_tag *, int); 222 223 int mac_mount_check_stat(struct ucred *cred, struct mount *mp); 224 void mac_mount_create(struct ucred *cred, struct mount *mp); 225 void mac_mount_destroy(struct mount *); 226 void mac_mount_init(struct mount *); 227 228 void mac_netinet_arp_send(struct ifnet *ifp, struct mbuf *m); 229 void mac_netinet_firewall_reply(struct mbuf *mrecv, struct mbuf *msend); 230 void mac_netinet_firewall_send(struct mbuf *m); 231 void mac_netinet_fragment(struct mbuf *m, struct mbuf *frag); 232 void mac_netinet_icmp_reply(struct mbuf *mrecv, struct mbuf *msend); 233 void mac_netinet_icmp_replyinplace(struct mbuf *m); 234 void mac_netinet_igmp_send(struct ifnet *ifp, struct mbuf *m); 235 void mac_netinet_tcp_reply(struct mbuf *m); 236 237 void mac_netinet6_nd6_send(struct ifnet *ifp, struct mbuf *m); 238 239 int mac_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp, 240 unsigned long cmd, void *data); 241 int mac_pipe_check_poll_impl(struct ucred *cred, struct pipepair *pp); 242 #ifdef MAC 243 extern bool mac_pipe_check_poll_fp_flag; 244 #else 245 #define mac_pipe_check_poll_fp_flag 0 246 #endif 247 #define mac_pipe_check_poll_enabled() __predict_false(mac_pipe_check_poll_fp_flag) 248 static inline int 249 mac_pipe_check_poll(struct ucred *cred, struct pipepair *pp) 250 { 251 252 if (mac_pipe_check_poll_enabled()) 253 return (mac_pipe_check_poll_impl(cred, pp)); 254 return (0); 255 } 256 257 #ifdef MAC 258 extern bool mac_pipe_check_stat_fp_flag; 259 #else 260 #define mac_pipe_check_stat_fp_flag 0 261 #endif 262 #define mac_pipe_check_stat_enabled() __predict_false(mac_pipe_check_stat_fp_flag) 263 int mac_pipe_check_stat(struct ucred *cred, struct pipepair *pp); 264 int mac_pipe_check_read(struct ucred *cred, struct pipepair *pp); 265 int mac_pipe_check_write(struct ucred *cred, struct pipepair *pp); 266 void mac_pipe_create(struct ucred *cred, struct pipepair *pp); 267 void mac_pipe_destroy(struct pipepair *); 268 void mac_pipe_init(struct pipepair *); 269 int mac_pipe_label_set(struct ucred *cred, struct pipepair *pp, 270 struct label *label); 271 272 int mac_posixsem_check_getvalue(struct ucred *active_cred, 273 struct ucred *file_cred, struct ksem *ks); 274 int mac_posixsem_check_open(struct ucred *cred, struct ksem *ks); 275 int mac_posixsem_check_post(struct ucred *active_cred, 276 struct ucred *file_cred, struct ksem *ks); 277 int mac_posixsem_check_setmode(struct ucred *cred, struct ksem *ks, 278 mode_t mode); 279 int mac_posixsem_check_setowner(struct ucred *cred, struct ksem *ks, 280 uid_t uid, gid_t gid); 281 int mac_posixsem_check_stat(struct ucred *active_cred, 282 struct ucred *file_cred, struct ksem *ks); 283 int mac_posixsem_check_unlink(struct ucred *cred, struct ksem *ks); 284 int mac_posixsem_check_wait(struct ucred *active_cred, 285 struct ucred *file_cred, struct ksem *ks); 286 void mac_posixsem_create(struct ucred *cred, struct ksem *ks); 287 void mac_posixsem_destroy(struct ksem *); 288 void mac_posixsem_init(struct ksem *); 289 290 int mac_posixshm_check_create(struct ucred *cred, const char *path); 291 int mac_posixshm_check_mmap(struct ucred *cred, struct shmfd *shmfd, 292 int prot, int flags); 293 int mac_posixshm_check_open(struct ucred *cred, struct shmfd *shmfd, 294 accmode_t accmode); 295 int mac_posixshm_check_read(struct ucred *active_cred, 296 struct ucred *file_cred, struct shmfd *shmfd); 297 int mac_posixshm_check_setmode(struct ucred *cred, struct shmfd *shmfd, 298 mode_t mode); 299 int mac_posixshm_check_setowner(struct ucred *cred, struct shmfd *shmfd, 300 uid_t uid, gid_t gid); 301 int mac_posixshm_check_stat(struct ucred *active_cred, 302 struct ucred *file_cred, struct shmfd *shmfd); 303 int mac_posixshm_check_truncate(struct ucred *active_cred, 304 struct ucred *file_cred, struct shmfd *shmfd); 305 int mac_posixshm_check_unlink(struct ucred *cred, struct shmfd *shmfd); 306 int mac_posixshm_check_write(struct ucred *active_cred, 307 struct ucred *file_cred, struct shmfd *shmfd); 308 void mac_posixshm_create(struct ucred *cred, struct shmfd *shmfd); 309 void mac_posixshm_destroy(struct shmfd *); 310 void mac_posixshm_init(struct shmfd *); 311 312 int mac_priv_check_impl(struct ucred *cred, int priv); 313 #ifdef MAC 314 extern bool mac_priv_check_fp_flag; 315 #else 316 #define mac_priv_check_fp_flag 0 317 #endif 318 #define mac_priv_check_enabled() __predict_false(mac_priv_check_fp_flag) 319 static inline int 320 mac_priv_check(struct ucred *cred, int priv) 321 { 322 323 if (mac_priv_check_enabled()) 324 return (mac_priv_check_impl(cred, priv)); 325 return (0); 326 } 327 328 int mac_priv_grant_impl(struct ucred *cred, int priv); 329 #ifdef MAC 330 extern bool mac_priv_grant_fp_flag; 331 #else 332 #define mac_priv_grant_fp_flag 0 333 #endif 334 #define mac_priv_grant_enabled() __predict_false(mac_priv_grant_fp_flag) 335 static inline int 336 mac_priv_grant(struct ucred *cred, int priv) 337 { 338 339 if (mac_priv_grant_enabled()) 340 return (mac_priv_grant_impl(cred, priv)); 341 return (EPERM); 342 } 343 344 int mac_proc_check_debug(struct ucred *cred, struct proc *p); 345 int mac_proc_check_sched(struct ucred *cred, struct proc *p); 346 int mac_proc_check_signal(struct ucred *cred, struct proc *p, 347 int signum); 348 int mac_proc_check_wait(struct ucred *cred, struct proc *p); 349 void mac_proc_destroy(struct proc *); 350 void mac_proc_init(struct proc *); 351 void mac_proc_vm_revoke(struct thread *td); 352 int mac_execve_enter(struct image_params *imgp, struct mac *mac_p); 353 void mac_execve_exit(struct image_params *imgp); 354 void mac_execve_interpreter_enter(struct vnode *interpvp, 355 struct label **interplabel); 356 void mac_execve_interpreter_exit(struct label *interpvplabel); 357 358 int mac_socket_check_accept(struct ucred *cred, struct socket *so); 359 int mac_socket_check_bind(struct ucred *cred, struct socket *so, 360 struct sockaddr *sa); 361 int mac_socket_check_connect(struct ucred *cred, struct socket *so, 362 struct sockaddr *sa); 363 int mac_socket_check_create(struct ucred *cred, int domain, int type, 364 int proto); 365 int mac_socket_check_deliver(struct socket *so, struct mbuf *m); 366 int mac_socket_check_listen(struct ucred *cred, struct socket *so); 367 int mac_socket_check_poll(struct ucred *cred, struct socket *so); 368 int mac_socket_check_receive(struct ucred *cred, struct socket *so); 369 int mac_socket_check_send(struct ucred *cred, struct socket *so); 370 int mac_socket_check_stat(struct ucred *cred, struct socket *so); 371 int mac_socket_check_visible(struct ucred *cred, struct socket *so); 372 void mac_socket_create_mbuf(struct socket *so, struct mbuf *m); 373 void mac_socket_create(struct ucred *cred, struct socket *so); 374 void mac_socket_destroy(struct socket *); 375 int mac_socket_init(struct socket *, int); 376 void mac_socket_newconn(struct socket *oldso, struct socket *newso); 377 int mac_getsockopt_label(struct ucred *cred, struct socket *so, 378 struct mac *extmac); 379 int mac_getsockopt_peerlabel(struct ucred *cred, struct socket *so, 380 struct mac *extmac); 381 int mac_setsockopt_label(struct ucred *cred, struct socket *so, 382 struct mac *extmac); 383 384 void mac_socketpeer_set_from_mbuf(struct mbuf *m, struct socket *so); 385 void mac_socketpeer_set_from_socket(struct socket *oldso, 386 struct socket *newso); 387 388 void mac_syncache_create(struct label *l, struct inpcb *inp); 389 void mac_syncache_create_mbuf(struct label *l, struct mbuf *m); 390 void mac_syncache_destroy(struct label **l); 391 int mac_syncache_init(struct label **l); 392 393 int mac_system_check_acct(struct ucred *cred, struct vnode *vp); 394 int mac_system_check_audit(struct ucred *cred, void *record, int length); 395 int mac_system_check_auditctl(struct ucred *cred, struct vnode *vp); 396 int mac_system_check_auditon(struct ucred *cred, int cmd); 397 int mac_system_check_reboot(struct ucred *cred, int howto); 398 int mac_system_check_swapon(struct ucred *cred, struct vnode *vp); 399 int mac_system_check_swapoff(struct ucred *cred, struct vnode *vp); 400 int mac_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp, 401 void *arg1, int arg2, struct sysctl_req *req); 402 403 void mac_sysvmsg_cleanup(struct msg *msgptr); 404 void mac_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr, 405 struct msg *msgptr); 406 void mac_sysvmsg_destroy(struct msg *); 407 void mac_sysvmsg_init(struct msg *); 408 409 int mac_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr, 410 struct msqid_kernel *msqkptr); 411 int mac_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr); 412 int mac_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr); 413 int mac_sysvmsq_check_msqctl(struct ucred *cred, 414 struct msqid_kernel *msqkptr, int cmd); 415 int mac_sysvmsq_check_msqget(struct ucred *cred, 416 struct msqid_kernel *msqkptr); 417 int mac_sysvmsq_check_msqrcv(struct ucred *cred, 418 struct msqid_kernel *msqkptr); 419 int mac_sysvmsq_check_msqsnd(struct ucred *cred, 420 struct msqid_kernel *msqkptr); 421 void mac_sysvmsq_cleanup(struct msqid_kernel *msqkptr); 422 void mac_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr); 423 void mac_sysvmsq_destroy(struct msqid_kernel *); 424 void mac_sysvmsq_init(struct msqid_kernel *); 425 426 int mac_sysvsem_check_semctl(struct ucred *cred, 427 struct semid_kernel *semakptr, int cmd); 428 int mac_sysvsem_check_semget(struct ucred *cred, 429 struct semid_kernel *semakptr); 430 int mac_sysvsem_check_semop(struct ucred *cred, 431 struct semid_kernel *semakptr, size_t accesstype); 432 void mac_sysvsem_cleanup(struct semid_kernel *semakptr); 433 void mac_sysvsem_create(struct ucred *cred, 434 struct semid_kernel *semakptr); 435 void mac_sysvsem_destroy(struct semid_kernel *); 436 void mac_sysvsem_init(struct semid_kernel *); 437 438 int mac_sysvshm_check_shmat(struct ucred *cred, 439 struct shmid_kernel *shmsegptr, int shmflg); 440 int mac_sysvshm_check_shmctl(struct ucred *cred, 441 struct shmid_kernel *shmsegptr, int cmd); 442 int mac_sysvshm_check_shmdt(struct ucred *cred, 443 struct shmid_kernel *shmsegptr); 444 int mac_sysvshm_check_shmget(struct ucred *cred, 445 struct shmid_kernel *shmsegptr, int shmflg); 446 void mac_sysvshm_cleanup(struct shmid_kernel *shmsegptr); 447 void mac_sysvshm_create(struct ucred *cred, 448 struct shmid_kernel *shmsegptr); 449 void mac_sysvshm_destroy(struct shmid_kernel *); 450 void mac_sysvshm_init(struct shmid_kernel *); 451 452 void mac_thread_userret(struct thread *td); 453 454 #if defined(MAC) && defined(DEBUG_VFS_LOCKS) 455 void mac_vnode_assert_locked(struct vnode *vp, const char *func); 456 #else 457 #define mac_vnode_assert_locked(vp, func) do { } while (0) 458 #endif 459 460 int mac_vnode_associate_extattr(struct mount *mp, struct vnode *vp); 461 void mac_vnode_associate_singlelabel(struct mount *mp, struct vnode *vp); 462 int mac_vnode_check_access_impl(struct ucred *cred, struct vnode *dvp, 463 accmode_t accmode); 464 extern bool mac_vnode_check_access_fp_flag; 465 #define mac_vnode_check_access_enabled() __predict_false(mac_vnode_check_access_fp_flag) 466 static inline int 467 mac_vnode_check_access(struct ucred *cred, struct vnode *dvp, 468 accmode_t accmode) 469 { 470 471 mac_vnode_assert_locked(dvp, "mac_vnode_check_access"); 472 if (mac_vnode_check_access_enabled()) 473 return (mac_vnode_check_access_impl(cred, dvp, accmode)); 474 return (0); 475 } 476 int mac_vnode_check_chdir(struct ucred *cred, struct vnode *dvp); 477 int mac_vnode_check_chroot(struct ucred *cred, struct vnode *dvp); 478 int mac_vnode_check_create(struct ucred *cred, struct vnode *dvp, 479 struct componentname *cnp, struct vattr *vap); 480 int mac_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp, 481 acl_type_t type); 482 int mac_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp, 483 int attrnamespace, const char *name); 484 int mac_vnode_check_exec(struct ucred *cred, struct vnode *vp, 485 struct image_params *imgp); 486 int mac_vnode_check_getacl(struct ucred *cred, struct vnode *vp, 487 acl_type_t type); 488 int mac_vnode_check_getextattr(struct ucred *cred, struct vnode *vp, 489 int attrnamespace, const char *name); 490 int mac_vnode_check_link(struct ucred *cred, struct vnode *dvp, 491 struct vnode *vp, struct componentname *cnp); 492 int mac_vnode_check_listextattr(struct ucred *cred, struct vnode *vp, 493 int attrnamespace); 494 495 int mac_vnode_check_lookup_impl(struct ucred *cred, struct vnode *dvp, 496 struct componentname *cnp); 497 #ifdef MAC 498 extern bool mac_vnode_check_lookup_fp_flag; 499 #else 500 #define mac_vnode_check_lookup_fp_flag 0 501 #endif 502 #define mac_vnode_check_lookup_enabled() __predict_false(mac_vnode_check_lookup_fp_flag) 503 static inline int 504 mac_vnode_check_lookup(struct ucred *cred, struct vnode *dvp, 505 struct componentname *cnp) 506 { 507 508 mac_vnode_assert_locked(dvp, "mac_vnode_check_lookup"); 509 if (mac_vnode_check_lookup_enabled()) 510 return (mac_vnode_check_lookup_impl(cred, dvp, cnp)); 511 return (0); 512 } 513 514 int mac_vnode_check_mmap_impl(struct ucred *cred, struct vnode *vp, int prot, 515 int flags); 516 #ifdef MAC 517 extern bool mac_vnode_check_mmap_fp_flag; 518 #else 519 #define mac_vnode_check_mmap_fp_flag 0 520 #endif 521 #define mac_vnode_check_mmap_enabled() __predict_false(mac_vnode_check_mmap_fp_flag) 522 static inline int 523 mac_vnode_check_mmap(struct ucred *cred, struct vnode *vp, int prot, 524 int flags) 525 { 526 527 mac_vnode_assert_locked(vp, "mac_vnode_check_mmap"); 528 if (mac_vnode_check_mmap_enabled()) 529 return (mac_vnode_check_mmap_impl(cred, vp, prot, flags)); 530 return (0); 531 } 532 533 int mac_vnode_check_open_impl(struct ucred *cred, struct vnode *vp, 534 accmode_t accmode); 535 #ifdef MAC 536 extern bool mac_vnode_check_open_fp_flag; 537 #else 538 #define mac_vnode_check_open_fp_flag 0 539 #endif 540 #define mac_vnode_check_open_enabled() __predict_false(mac_vnode_check_open_fp_flag) 541 static inline int 542 mac_vnode_check_open(struct ucred *cred, struct vnode *vp, 543 accmode_t accmode) 544 { 545 546 mac_vnode_assert_locked(vp, "mac_vnode_check_open"); 547 if (mac_vnode_check_open_enabled()) 548 return (mac_vnode_check_open_impl(cred, vp, accmode)); 549 return (0); 550 } 551 552 int mac_vnode_check_mprotect(struct ucred *cred, struct vnode *vp, 553 int prot); 554 555 #define mac_vnode_check_poll_enabled() __predict_false(mac_vnode_check_poll_fp_flag) 556 #ifdef MAC 557 extern bool mac_vnode_check_poll_fp_flag; 558 int mac_vnode_check_poll(struct ucred *active_cred, 559 struct ucred *file_cred, struct vnode *vp); 560 #else 561 #define mac_vnode_check_poll_fp_flag 0 562 static inline int 563 mac_vnode_check_poll(struct ucred *active_cred, struct ucred *file_cred, 564 struct vnode *vp) 565 { 566 567 return (0); 568 } 569 #endif 570 int mac_vnode_check_readdir(struct ucred *cred, struct vnode *vp); 571 int mac_vnode_check_readlink_impl(struct ucred *cred, struct vnode *dvp); 572 #ifdef MAC 573 extern bool mac_vnode_check_readlink_fp_flag; 574 #else 575 #define mac_vnode_check_readlink_fp_flag 0 576 #endif 577 #define mac_vnode_check_readlink_enabled() __predict_false(mac_vnode_check_readlink_fp_flag) 578 static inline int 579 mac_vnode_check_readlink(struct ucred *cred, struct vnode *vp) 580 { 581 582 mac_vnode_assert_locked(vp, "mac_vnode_check_readlink"); 583 if (mac_vnode_check_readlink_enabled()) 584 return (mac_vnode_check_readlink_impl(cred, vp)); 585 return (0); 586 } 587 #define mac_vnode_check_rename_from_enabled() __predict_false(mac_vnode_check_rename_from_fp_flag) 588 #ifdef MAC 589 extern bool mac_vnode_check_rename_from_fp_flag; 590 #endif 591 int mac_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp, 592 struct vnode *vp, struct componentname *cnp); 593 int mac_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp, 594 struct vnode *vp, int samedir, struct componentname *cnp); 595 int mac_vnode_check_revoke(struct ucred *cred, struct vnode *vp); 596 int mac_vnode_check_setacl(struct ucred *cred, struct vnode *vp, 597 acl_type_t type, struct acl *acl); 598 int mac_vnode_check_setextattr(struct ucred *cred, struct vnode *vp, 599 int attrnamespace, const char *name); 600 int mac_vnode_check_setflags(struct ucred *cred, struct vnode *vp, 601 u_long flags); 602 int mac_vnode_check_setmode(struct ucred *cred, struct vnode *vp, 603 mode_t mode); 604 int mac_vnode_check_setowner(struct ucred *cred, struct vnode *vp, 605 uid_t uid, gid_t gid); 606 int mac_vnode_check_setutimes(struct ucred *cred, struct vnode *vp, 607 struct timespec atime, struct timespec mtime); 608 609 int mac_vnode_check_stat_impl(struct ucred *active_cred, 610 struct ucred *file_cred, struct vnode *vp); 611 #ifdef MAC 612 extern bool mac_vnode_check_stat_fp_flag; 613 #else 614 #define mac_vnode_check_stat_fp_flag 0 615 #endif 616 #define mac_vnode_check_stat_enabled() __predict_false(mac_vnode_check_stat_fp_flag) 617 static inline int 618 mac_vnode_check_stat(struct ucred *active_cred, struct ucred *file_cred, 619 struct vnode *vp) 620 { 621 622 mac_vnode_assert_locked(vp, "mac_vnode_check_stat"); 623 if (mac_vnode_check_stat_enabled()) 624 return (mac_vnode_check_stat_impl(active_cred, file_cred, vp)); 625 return (0); 626 } 627 628 int mac_vnode_check_read_impl(struct ucred *active_cred, 629 struct ucred *file_cred, struct vnode *vp); 630 #ifdef MAC 631 extern bool mac_vnode_check_read_fp_flag; 632 #else 633 #define mac_vnode_check_read_fp_flag 0 634 #endif 635 #define mac_vnode_check_read_enabled() __predict_false(mac_vnode_check_read_fp_flag) 636 static inline int 637 mac_vnode_check_read(struct ucred *active_cred, struct ucred *file_cred, 638 struct vnode *vp) 639 { 640 641 mac_vnode_assert_locked(vp, "mac_vnode_check_read"); 642 if (mac_vnode_check_read_enabled()) 643 return (mac_vnode_check_read_impl(active_cred, file_cred, vp)); 644 return (0); 645 } 646 647 int mac_vnode_check_write_impl(struct ucred *active_cred, 648 struct ucred *file_cred, struct vnode *vp); 649 #ifdef MAC 650 extern bool mac_vnode_check_write_fp_flag; 651 #else 652 #define mac_vnode_check_write_fp_flag 0 653 #endif 654 #define mac_vnode_check_write_enabled() __predict_false(mac_vnode_check_write_fp_flag) 655 static inline int 656 mac_vnode_check_write(struct ucred *active_cred, struct ucred *file_cred, 657 struct vnode *vp) 658 { 659 660 mac_vnode_assert_locked(vp, "mac_vnode_check_write"); 661 if (mac_vnode_check_write_enabled()) 662 return (mac_vnode_check_write_impl(active_cred, file_cred, vp)); 663 return (0); 664 } 665 666 int mac_vnode_check_unlink(struct ucred *cred, struct vnode *dvp, 667 struct vnode *vp, struct componentname *cnp); 668 void mac_vnode_copy_label(struct label *, struct label *); 669 void mac_vnode_init(struct vnode *); 670 int mac_vnode_create_extattr(struct ucred *cred, struct mount *mp, 671 struct vnode *dvp, struct vnode *vp, struct componentname *cnp); 672 void mac_vnode_destroy(struct vnode *); 673 void mac_vnode_execve_transition(struct ucred *oldcred, 674 struct ucred *newcred, struct vnode *vp, 675 struct label *interpvplabel, struct image_params *imgp); 676 int mac_vnode_execve_will_transition(struct ucred *cred, 677 struct vnode *vp, struct label *interpvplabel, 678 struct image_params *imgp); 679 void mac_vnode_relabel(struct ucred *cred, struct vnode *vp, 680 struct label *newlabel); 681 682 /* 683 * Calls to help various file systems implement labeling functionality using 684 * their existing EA implementation. 685 */ 686 int vop_stdsetlabel_ea(struct vop_setlabel_args *ap); 687 688 #endif /* !_SECURITY_MAC_MAC_FRAMEWORK_H_ */ 689