1 /*- 2 * Copyright (c) 1999-2002 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 * 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 * Kernel interface for MAC policy modules. 42 */ 43 #ifndef _SYS_SECURITY_MAC_MAC_POLICY_H_ 44 #define _SYS_SECURITY_MAC_MAC_POLICY_H_ 45 46 #ifndef _KERNEL 47 #error "no user-serviceable parts inside" 48 #endif 49 50 /*- 51 * Pluggable access control policy definition structure. 52 * 53 * List of operations that are performed as part of the implementation of a 54 * MAC policy. Policy implementors declare operations with a mac_policy_ops 55 * structure, and using the MAC_POLICY_SET() macro. If an entry point is not 56 * declared, then then the policy will be ignored during evaluation of that 57 * event or check. 58 * 59 * Operations are sorted first by general class of operation, then 60 * alphabetically. 61 */ 62 #include <sys/acl.h> /* XXX acl_type_t */ 63 64 struct acl; 65 struct auditinfo; 66 struct bpf_d; 67 struct cdev; 68 struct componentname; 69 struct devfs_dirent; 70 struct ifnet; 71 struct image_params; 72 struct inpcb; 73 struct ipq; 74 struct ksem; 75 struct label; 76 struct mac_policy_conf; 77 struct mbuf; 78 struct mount; 79 struct msg; 80 struct msqid_kernel; 81 struct pipepair; 82 struct proc; 83 struct sbuf; 84 struct semid_kernel; 85 struct shmid_kernel; 86 struct sockaddr; 87 struct socket; 88 struct sysctl_oid; 89 struct sysctl_req; 90 struct thread; 91 struct ucred; 92 struct uio; 93 struct vattr; 94 struct vnode; 95 96 /* 97 * Policy module operations. 98 */ 99 typedef void (*mpo_destroy_t)(struct mac_policy_conf *mpc); 100 typedef void (*mpo_init_t)(struct mac_policy_conf *mpc); 101 102 /* 103 * General policy-directed security system call so that policies may 104 * implement new services without reserving explicit system call numbers. 105 */ 106 typedef int (*mpo_syscall_t)(struct thread *td, int call, void *arg); 107 108 /* 109 * Place-holder function pointers for ABI-compatibility purposes. 110 */ 111 typedef void (*mpo_placeholder_t)(void); 112 113 /* 114 * Label operations. Initialize label storage, destroy label storage, 115 * recycle for re-use without init/destroy, copy a label to initialized 116 * storage, and externalize/internalize from/to initialized storage. 117 */ 118 typedef void (*mpo_init_bpfdesc_label_t)(struct label *label); 119 typedef void (*mpo_init_cred_label_t)(struct label *label); 120 typedef void (*mpo_init_devfs_label_t)(struct label *label); 121 typedef void (*mpo_init_ifnet_label_t)(struct label *label); 122 typedef int (*mpo_init_inpcb_label_t)(struct label *label, int flag); 123 typedef void (*mpo_init_sysv_msgmsg_label_t)(struct label *label); 124 typedef void (*mpo_init_sysv_msgqueue_label_t)(struct label *label); 125 typedef void (*mpo_init_sysv_sem_label_t)(struct label *label); 126 typedef void (*mpo_init_sysv_shm_label_t)(struct label *label); 127 typedef int (*mpo_init_ipq_label_t)(struct label *label, int flag); 128 typedef int (*mpo_init_mbuf_label_t)(struct label *label, int flag); 129 typedef void (*mpo_init_mount_label_t)(struct label *label); 130 typedef int (*mpo_init_socket_label_t)(struct label *label, int flag); 131 typedef int (*mpo_init_socket_peer_label_t)(struct label *label, 132 int flag); 133 typedef void (*mpo_init_pipe_label_t)(struct label *label); 134 typedef void (*mpo_init_posix_sem_label_t)(struct label *label); 135 typedef void (*mpo_init_proc_label_t)(struct label *label); 136 typedef void (*mpo_init_vnode_label_t)(struct label *label); 137 typedef void (*mpo_destroy_bpfdesc_label_t)(struct label *label); 138 typedef void (*mpo_destroy_cred_label_t)(struct label *label); 139 typedef void (*mpo_destroy_devfs_label_t)(struct label *label); 140 typedef void (*mpo_destroy_ifnet_label_t)(struct label *label); 141 typedef void (*mpo_destroy_inpcb_label_t)(struct label *label); 142 typedef void (*mpo_destroy_sysv_msgmsg_label_t)(struct label *label); 143 typedef void (*mpo_destroy_sysv_msgqueue_label_t)(struct label *label); 144 typedef void (*mpo_destroy_sysv_sem_label_t)(struct label *label); 145 typedef void (*mpo_destroy_sysv_shm_label_t)(struct label *label); 146 typedef void (*mpo_destroy_ipq_label_t)(struct label *label); 147 typedef void (*mpo_destroy_mbuf_label_t)(struct label *label); 148 typedef void (*mpo_destroy_mount_label_t)(struct label *label); 149 typedef void (*mpo_destroy_socket_label_t)(struct label *label); 150 typedef void (*mpo_destroy_socket_peer_label_t)(struct label *label); 151 typedef void (*mpo_destroy_pipe_label_t)(struct label *label); 152 typedef void (*mpo_destroy_posix_sem_label_t)(struct label *label); 153 typedef void (*mpo_destroy_proc_label_t)(struct label *label); 154 typedef void (*mpo_destroy_vnode_label_t)(struct label *label); 155 typedef void (*mpo_cleanup_sysv_msgmsg_t)(struct label *msglabel); 156 typedef void (*mpo_cleanup_sysv_msgqueue_t)(struct label *msqlabel); 157 typedef void (*mpo_cleanup_sysv_sem_t)(struct label *semalabel); 158 typedef void (*mpo_cleanup_sysv_shm_t)(struct label *shmlabel); 159 typedef void (*mpo_copy_cred_label_t)(struct label *src, 160 struct label *dest); 161 typedef void (*mpo_copy_ifnet_label_t)(struct label *src, 162 struct label *dest); 163 typedef void (*mpo_copy_mbuf_label_t)(struct label *src, 164 struct label *dest); 165 typedef void (*mpo_copy_pipe_label_t)(struct label *src, 166 struct label *dest); 167 typedef void (*mpo_copy_socket_label_t)(struct label *src, 168 struct label *dest); 169 typedef void (*mpo_copy_vnode_label_t)(struct label *src, 170 struct label *dest); 171 typedef int (*mpo_externalize_cred_label_t)(struct label *label, 172 char *element_name, struct sbuf *sb, int *claimed); 173 typedef int (*mpo_externalize_ifnet_label_t)(struct label *label, 174 char *element_name, struct sbuf *sb, int *claimed); 175 typedef int (*mpo_externalize_pipe_label_t)(struct label *label, 176 char *element_name, struct sbuf *sb, int *claimed); 177 typedef int (*mpo_externalize_socket_label_t)(struct label *label, 178 char *element_name, struct sbuf *sb, int *claimed); 179 typedef int (*mpo_externalize_socket_peer_label_t)(struct label *label, 180 char *element_name, struct sbuf *sb, int *claimed); 181 typedef int (*mpo_externalize_vnode_label_t)(struct label *label, 182 char *element_name, struct sbuf *sb, int *claimed); 183 typedef int (*mpo_internalize_cred_label_t)(struct label *label, 184 char *element_name, char *element_data, int *claimed); 185 typedef int (*mpo_internalize_ifnet_label_t)(struct label *label, 186 char *element_name, char *element_data, int *claimed); 187 typedef int (*mpo_internalize_pipe_label_t)(struct label *label, 188 char *element_name, char *element_data, int *claimed); 189 typedef int (*mpo_internalize_socket_label_t)(struct label *label, 190 char *element_name, char *element_data, int *claimed); 191 typedef int (*mpo_internalize_vnode_label_t)(struct label *label, 192 char *element_name, char *element_data, int *claimed); 193 194 /* 195 * Labeling event operations: file system objects, and things that look a lot 196 * like file system objects. 197 */ 198 typedef void (*mpo_associate_vnode_devfs_t)(struct mount *mp, 199 struct label *mplabel, struct devfs_dirent *de, 200 struct label *delabel, struct vnode *vp, 201 struct label *vplabel); 202 typedef int (*mpo_associate_vnode_extattr_t)(struct mount *mp, 203 struct label *mplabel, struct vnode *vp, 204 struct label *vplabel); 205 typedef void (*mpo_associate_vnode_singlelabel_t)(struct mount *mp, 206 struct label *mplabel, struct vnode *vp, 207 struct label *vplabel); 208 typedef void (*mpo_create_devfs_device_t)(struct ucred *cred, 209 struct mount *mp, struct cdev *dev, 210 struct devfs_dirent *de, struct label *delabel); 211 typedef void (*mpo_create_devfs_directory_t)(struct mount *mp, 212 char *dirname, int dirnamelen, struct devfs_dirent *de, 213 struct label *delabel); 214 typedef void (*mpo_create_devfs_symlink_t)(struct ucred *cred, 215 struct mount *mp, struct devfs_dirent *dd, 216 struct label *ddlabel, struct devfs_dirent *de, 217 struct label *delabel); 218 typedef int (*mpo_create_vnode_extattr_t)(struct ucred *cred, 219 struct mount *mp, struct label *mplabel, 220 struct vnode *dvp, struct label *dvplabel, 221 struct vnode *vp, struct label *vplabel, 222 struct componentname *cnp); 223 typedef void (*mpo_create_mount_t)(struct ucred *cred, struct mount *mp, 224 struct label *mplabel); 225 typedef void (*mpo_relabel_vnode_t)(struct ucred *cred, struct vnode *vp, 226 struct label *vplabel, struct label *label); 227 typedef int (*mpo_setlabel_vnode_extattr_t)(struct ucred *cred, 228 struct vnode *vp, struct label *vplabel, 229 struct label *intlabel); 230 typedef void (*mpo_update_devfs_t)(struct mount *mp, 231 struct devfs_dirent *de, struct label *delabel, 232 struct vnode *vp, struct label *vplabel); 233 234 /* 235 * Labeling event operations: IPC objects. 236 */ 237 typedef void (*mpo_create_mbuf_from_socket_t)(struct socket *so, 238 struct label *solabel, struct mbuf *m, 239 struct label *mlabel); 240 typedef void (*mpo_create_socket_t)(struct ucred *cred, struct socket *so, 241 struct label *solabel); 242 typedef void (*mpo_create_socket_from_socket_t)(struct socket *oldso, 243 struct label *oldsolabel, struct socket *newso, 244 struct label *newsolabel); 245 typedef void (*mpo_relabel_socket_t)(struct ucred *cred, struct socket *so, 246 struct label *oldlabel, struct label *newlabel); 247 typedef void (*mpo_relabel_pipe_t)(struct ucred *cred, struct pipepair *pp, 248 struct label *oldlabel, struct label *newlabel); 249 typedef void (*mpo_set_socket_peer_from_mbuf_t)(struct mbuf *m, 250 struct label *mlabel, struct socket *so, 251 struct label *sopeerlabel); 252 typedef void (*mpo_set_socket_peer_from_socket_t)(struct socket *oldso, 253 struct label *oldsolabel, struct socket *newso, 254 struct label *newsopeerlabel); 255 typedef void (*mpo_create_pipe_t)(struct ucred *cred, struct pipepair *pp, 256 struct label *pplabel); 257 258 /* 259 * Labeling event operations: System V IPC primitives. 260 */ 261 typedef void (*mpo_create_sysv_msgmsg_t)(struct ucred *cred, 262 struct msqid_kernel *msqkptr, struct label *msqlabel, 263 struct msg *msgptr, struct label *msglabel); 264 typedef void (*mpo_create_sysv_msgqueue_t)(struct ucred *cred, 265 struct msqid_kernel *msqkptr, struct label *msqlabel); 266 typedef void (*mpo_create_sysv_sem_t)(struct ucred *cred, 267 struct semid_kernel *semakptr, struct label *semalabel); 268 typedef void (*mpo_create_sysv_shm_t)(struct ucred *cred, 269 struct shmid_kernel *shmsegptr, struct label *shmlabel); 270 271 /* 272 * Labeling event operations: POSIX (global/inter-process) semaphores. 273 */ 274 typedef void (*mpo_create_posix_sem_t)(struct ucred *cred, 275 struct ksem *ksemptr, struct label *ks_label); 276 277 /* 278 * Labeling event operations: network objects. 279 */ 280 typedef void (*mpo_create_bpfdesc_t)(struct ucred *cred, 281 struct bpf_d *d, struct label *dlabel); 282 typedef void (*mpo_create_ifnet_t)(struct ifnet *ifp, 283 struct label *ifplabel); 284 typedef void (*mpo_create_inpcb_from_socket_t)(struct socket *so, 285 struct label *solabel, struct inpcb *inp, 286 struct label *inplabel); 287 typedef void (*mpo_create_ipq_t)(struct mbuf *m, struct label *mlabel, 288 struct ipq *ipq, struct label *ipqlabel); 289 typedef void (*mpo_create_datagram_from_ipq) 290 (struct ipq *ipq, struct label *ipqlabel, struct mbuf *m, 291 struct label *mlabel); 292 typedef void (*mpo_create_fragment_t)(struct mbuf *m, 293 struct label *mlabel, struct mbuf *frag, 294 struct label *fraglabel); 295 typedef void (*mpo_create_mbuf_from_inpcb_t)(struct inpcb *inp, 296 struct label *inplabel, struct mbuf *m, 297 struct label *mlabel); 298 typedef void (*mpo_create_mbuf_linklayer_t)(struct ifnet *ifp, 299 struct label *ifplabel, struct mbuf *m, 300 struct label *mlabel); 301 typedef void (*mpo_create_mbuf_from_bpfdesc_t)(struct bpf_d *d, 302 struct label *dlabel, struct mbuf *m, 303 struct label *mlabel); 304 typedef void (*mpo_create_mbuf_from_ifnet_t)(struct ifnet *ifp, 305 struct label *ifplabel, struct mbuf *m, 306 struct label *mlabel); 307 typedef void (*mpo_create_mbuf_multicast_encap_t)(struct mbuf *m, 308 struct label *mlabel, struct ifnet *ifp, 309 struct label *ifplabel, struct mbuf *mnew, 310 struct label *mnewlabel); 311 typedef void (*mpo_create_mbuf_netlayer_t)(struct mbuf *m, 312 struct label *mlabel, struct mbuf *mnew, 313 struct label *mnewlabel); 314 typedef int (*mpo_fragment_match_t)(struct mbuf *m, struct label *mlabel, 315 struct ipq *ipq, struct label *ipqlabel); 316 typedef void (*mpo_reflect_mbuf_icmp_t)(struct mbuf *m, 317 struct label *mlabel); 318 typedef void (*mpo_reflect_mbuf_tcp_t)(struct mbuf *m, 319 struct label *mlabel); 320 typedef void (*mpo_relabel_ifnet_t)(struct ucred *cred, struct ifnet *ifp, 321 struct label *ifplabel, struct label *newlabel); 322 typedef void (*mpo_update_ipq_t)(struct mbuf *m, struct label *mlabel, 323 struct ipq *ipq, struct label *ipqlabel); 324 typedef void (*mpo_inpcb_sosetlabel_t)(struct socket *so, 325 struct label *label, struct inpcb *inp, 326 struct label *inplabel); 327 328 typedef void (*mpo_create_mbuf_from_firewall_t)(struct mbuf *m, 329 struct label *label); 330 typedef void (*mpo_destroy_syncache_label_t)(struct label *label); 331 typedef int (*mpo_init_syncache_label_t)(struct label *label, int flag); 332 typedef void (*mpo_init_syncache_from_inpcb_t)(struct label *label, 333 struct inpcb *inp); 334 typedef void (*mpo_create_mbuf_from_syncache_t)(struct label *sc_label, 335 struct mbuf *m, struct label *mlabel); 336 /* 337 * Labeling event operations: processes. 338 */ 339 typedef void (*mpo_execve_transition_t)(struct ucred *old, 340 struct ucred *new, struct vnode *vp, 341 struct label *vplabel, struct label *interpvnodelabel, 342 struct image_params *imgp, struct label *execlabel); 343 typedef int (*mpo_execve_will_transition_t)(struct ucred *old, 344 struct vnode *vp, struct label *vplabel, 345 struct label *interpvnodelabel, 346 struct image_params *imgp, struct label *execlabel); 347 typedef void (*mpo_create_proc0_t)(struct ucred *cred); 348 typedef void (*mpo_create_proc1_t)(struct ucred *cred); 349 typedef void (*mpo_relabel_cred_t)(struct ucred *cred, 350 struct label *newlabel); 351 typedef void (*mpo_thread_userret_t)(struct thread *thread); 352 353 /* 354 * Access control checks. 355 */ 356 typedef int (*mpo_check_bpfdesc_receive_t)(struct bpf_d *d, 357 struct label *dlabel, struct ifnet *ifp, 358 struct label *ifplabel); 359 typedef int (*mpo_check_cred_relabel_t)(struct ucred *cred, 360 struct label *newlabel); 361 typedef int (*mpo_check_cred_visible_t)(struct ucred *cr1, 362 struct ucred *cr2); 363 typedef int (*mpo_check_ifnet_relabel_t)(struct ucred *cred, 364 struct ifnet *ifp, struct label *ifplabel, 365 struct label *newlabel); 366 typedef int (*mpo_check_ifnet_transmit_t)(struct ifnet *ifp, 367 struct label *ifplabel, struct mbuf *m, 368 struct label *mlabel); 369 typedef int (*mpo_check_inpcb_deliver_t)(struct inpcb *inp, 370 struct label *inplabel, struct mbuf *m, 371 struct label *mlabel); 372 typedef int (*mpo_check_sysv_msgmsq_t)(struct ucred *cred, 373 struct msg *msgptr, struct label *msglabel, 374 struct msqid_kernel *msqkptr, struct label *msqklabel); 375 typedef int (*mpo_check_sysv_msgrcv_t)(struct ucred *cred, 376 struct msg *msgptr, struct label *msglabel); 377 typedef int (*mpo_check_sysv_msgrmid_t)(struct ucred *cred, 378 struct msg *msgptr, struct label *msglabel); 379 typedef int (*mpo_check_sysv_msqget_t)(struct ucred *cred, 380 struct msqid_kernel *msqkptr, struct label *msqklabel); 381 typedef int (*mpo_check_sysv_msqsnd_t)(struct ucred *cred, 382 struct msqid_kernel *msqkptr, struct label *msqklabel); 383 typedef int (*mpo_check_sysv_msqrcv_t)(struct ucred *cred, 384 struct msqid_kernel *msqkptr, struct label *msqklabel); 385 typedef int (*mpo_check_sysv_msqctl_t)(struct ucred *cred, 386 struct msqid_kernel *msqkptr, struct label *msqklabel, 387 int cmd); 388 typedef int (*mpo_check_sysv_semctl_t)(struct ucred *cred, 389 struct semid_kernel *semakptr, struct label *semaklabel, 390 int cmd); 391 typedef int (*mpo_check_sysv_semget_t)(struct ucred *cred, 392 struct semid_kernel *semakptr, struct label *semaklabel); 393 typedef int (*mpo_check_sysv_semop_t)(struct ucred *cred, 394 struct semid_kernel *semakptr, struct label *semaklabel, 395 size_t accesstype); 396 typedef int (*mpo_check_sysv_shmat_t)(struct ucred *cred, 397 struct shmid_kernel *shmsegptr, 398 struct label *shmseglabel, int shmflg); 399 typedef int (*mpo_check_sysv_shmctl_t)(struct ucred *cred, 400 struct shmid_kernel *shmsegptr, 401 struct label *shmseglabel, int cmd); 402 typedef int (*mpo_check_sysv_shmdt_t)(struct ucred *cred, 403 struct shmid_kernel *shmsegptr, 404 struct label *shmseglabel); 405 typedef int (*mpo_check_sysv_shmget_t)(struct ucred *cred, 406 struct shmid_kernel *shmsegptr, 407 struct label *shmseglabel, int shmflg); 408 typedef int (*mpo_check_kenv_dump_t)(struct ucred *cred); 409 typedef int (*mpo_check_kenv_get_t)(struct ucred *cred, char *name); 410 typedef int (*mpo_check_kenv_set_t)(struct ucred *cred, char *name, 411 char *value); 412 typedef int (*mpo_check_kenv_unset_t)(struct ucred *cred, char *name); 413 typedef int (*mpo_check_kld_load_t)(struct ucred *cred, struct vnode *vp, 414 struct label *vplabel); 415 typedef int (*mpo_check_kld_stat_t)(struct ucred *cred); 416 typedef int (*mpo_mpo_placeholder19_t)(void); 417 typedef int (*mpo_mpo_placeholder20_t)(void); 418 typedef int (*mpo_check_mount_stat_t)(struct ucred *cred, 419 struct mount *mp, struct label *mplabel); 420 typedef int (*mpo_mpo_placeholder21_t)(void); 421 typedef int (*mpo_check_pipe_ioctl_t)(struct ucred *cred, 422 struct pipepair *pp, struct label *pplabel, 423 unsigned long cmd, void *data); 424 typedef int (*mpo_check_pipe_poll_t)(struct ucred *cred, 425 struct pipepair *pp, struct label *pplabel); 426 typedef int (*mpo_check_pipe_read_t)(struct ucred *cred, 427 struct pipepair *pp, struct label *pplabel); 428 typedef int (*mpo_check_pipe_relabel_t)(struct ucred *cred, 429 struct pipepair *pp, struct label *pplabel, 430 struct label *newlabel); 431 typedef int (*mpo_check_pipe_stat_t)(struct ucred *cred, 432 struct pipepair *pp, struct label *pplabel); 433 typedef int (*mpo_check_pipe_write_t)(struct ucred *cred, 434 struct pipepair *pp, struct label *pplabel); 435 typedef int (*mpo_check_posix_sem_destroy_t)(struct ucred *cred, 436 struct ksem *ksemptr, struct label *ks_label); 437 typedef int (*mpo_check_posix_sem_getvalue_t)(struct ucred *cred, 438 struct ksem *ksemptr, struct label *ks_label); 439 typedef int (*mpo_check_posix_sem_open_t)(struct ucred *cred, 440 struct ksem *ksemptr, struct label *ks_label); 441 typedef int (*mpo_check_posix_sem_post_t)(struct ucred *cred, 442 struct ksem *ksemptr, struct label *ks_label); 443 typedef int (*mpo_check_posix_sem_unlink_t)(struct ucred *cred, 444 struct ksem *ksemptr, struct label *ks_label); 445 typedef int (*mpo_check_posix_sem_wait_t)(struct ucred *cred, 446 struct ksem *ksemptr, struct label *ks_label); 447 typedef int (*mpo_check_proc_debug_t)(struct ucred *cred, 448 struct proc *p); 449 typedef int (*mpo_check_proc_sched_t)(struct ucred *cred, 450 struct proc *p); 451 typedef int (*mpo_check_proc_setaudit_t)(struct ucred *cred, 452 struct auditinfo *ai); 453 typedef int (*mpo_check_proc_setauid_t)(struct ucred *cred, uid_t auid); 454 typedef int (*mpo_check_proc_setuid_t)(struct ucred *cred, uid_t uid); 455 typedef int (*mpo_check_proc_seteuid_t)(struct ucred *cred, uid_t euid); 456 typedef int (*mpo_check_proc_setgid_t)(struct ucred *cred, gid_t gid); 457 typedef int (*mpo_check_proc_setegid_t)(struct ucred *cred, gid_t egid); 458 typedef int (*mpo_check_proc_setgroups_t)(struct ucred *cred, int ngroups, 459 gid_t *gidset); 460 typedef int (*mpo_check_proc_setreuid_t)(struct ucred *cred, uid_t ruid, 461 uid_t euid); 462 typedef int (*mpo_check_proc_setregid_t)(struct ucred *cred, gid_t rgid, 463 gid_t egid); 464 typedef int (*mpo_check_proc_setresuid_t)(struct ucred *cred, uid_t ruid, 465 uid_t euid, uid_t suid); 466 typedef int (*mpo_check_proc_setresgid_t)(struct ucred *cred, gid_t rgid, 467 gid_t egid, gid_t sgid); 468 typedef int (*mpo_check_proc_signal_t)(struct ucred *cred, 469 struct proc *proc, int signum); 470 typedef int (*mpo_check_proc_wait_t)(struct ucred *cred, 471 struct proc *proc); 472 typedef int (*mpo_check_socket_accept_t)(struct ucred *cred, 473 struct socket *so, struct label *solabel); 474 typedef int (*mpo_check_socket_bind_t)(struct ucred *cred, 475 struct socket *so, struct label *solabel, 476 struct sockaddr *sa); 477 typedef int (*mpo_check_socket_connect_t)(struct ucred *cred, 478 struct socket *so, struct label *solabel, 479 struct sockaddr *sa); 480 typedef int (*mpo_check_socket_create_t)(struct ucred *cred, int domain, 481 int type, int protocol); 482 typedef int (*mpo_check_socket_deliver_t)(struct socket *so, 483 struct label *solabel, struct mbuf *m, 484 struct label *mlabel); 485 typedef int (*mpo_check_socket_listen_t)(struct ucred *cred, 486 struct socket *so, struct label *solabel); 487 typedef int (*mpo_check_socket_poll_t)(struct ucred *cred, 488 struct socket *so, struct label *solabel); 489 typedef int (*mpo_check_socket_receive_t)(struct ucred *cred, 490 struct socket *so, struct label *solabel); 491 typedef int (*mpo_check_socket_relabel_t)(struct ucred *cred, 492 struct socket *so, struct label *solabel, 493 struct label *newlabel); 494 typedef int (*mpo_check_socket_send_t)(struct ucred *cred, 495 struct socket *so, struct label *solabel); 496 typedef int (*mpo_check_socket_stat_t)(struct ucred *cred, 497 struct socket *so, struct label *solabel); 498 typedef int (*mpo_check_socket_visible_t)(struct ucred *cred, 499 struct socket *so, struct label *solabel); 500 typedef int (*mpo_check_system_acct_t)(struct ucred *cred, 501 struct vnode *vp, struct label *vplabel); 502 typedef int (*mpo_check_system_audit_t)(struct ucred *cred, void *record, 503 int length); 504 typedef int (*mpo_check_system_auditctl_t)(struct ucred *cred, 505 struct vnode *vp, struct label *vplabel); 506 typedef int (*mpo_check_system_auditon_t)(struct ucred *cred, int cmd); 507 typedef int (*mpo_check_system_reboot_t)(struct ucred *cred, int howto); 508 typedef int (*mpo_check_system_swapon_t)(struct ucred *cred, 509 struct vnode *vp, struct label *vplabel); 510 typedef int (*mpo_check_system_swapoff_t)(struct ucred *cred, 511 struct vnode *vp, struct label *vplabel); 512 typedef int (*mpo_check_system_sysctl_t)(struct ucred *cred, 513 struct sysctl_oid *oidp, void *arg1, int arg2, 514 struct sysctl_req *req); 515 typedef int (*mpo_check_vnode_access_t)(struct ucred *cred, 516 struct vnode *vp, struct label *vplabel, int acc_mode); 517 typedef int (*mpo_check_vnode_chdir_t)(struct ucred *cred, 518 struct vnode *dvp, struct label *dvplabel); 519 typedef int (*mpo_check_vnode_chroot_t)(struct ucred *cred, 520 struct vnode *dvp, struct label *dvplabel); 521 typedef int (*mpo_check_vnode_create_t)(struct ucred *cred, 522 struct vnode *dvp, struct label *dvplabel, 523 struct componentname *cnp, struct vattr *vap); 524 typedef int (*mpo_check_vnode_delete_t)(struct ucred *cred, 525 struct vnode *dvp, struct label *dvplabel, 526 struct vnode *vp, struct label *vplabel, 527 struct componentname *cnp); 528 typedef int (*mpo_check_vnode_deleteacl_t)(struct ucred *cred, 529 struct vnode *vp, struct label *vplabel, 530 acl_type_t type); 531 typedef int (*mpo_check_vnode_deleteextattr_t)(struct ucred *cred, 532 struct vnode *vp, struct label *vplabel, 533 int attrnamespace, const char *name); 534 typedef int (*mpo_check_vnode_exec_t)(struct ucred *cred, 535 struct vnode *vp, struct label *vplabel, 536 struct image_params *imgp, struct label *execlabel); 537 typedef int (*mpo_check_vnode_getacl_t)(struct ucred *cred, 538 struct vnode *vp, struct label *vplabel, 539 acl_type_t type); 540 typedef int (*mpo_check_vnode_getextattr_t)(struct ucred *cred, 541 struct vnode *vp, struct label *vplabel, 542 int attrnamespace, const char *name, struct uio *uio); 543 typedef int (*mpo_check_vnode_link_t)(struct ucred *cred, 544 struct vnode *dvp, struct label *dvplabel, 545 struct vnode *vp, struct label *vplabel, 546 struct componentname *cnp); 547 typedef int (*mpo_check_vnode_listextattr_t)(struct ucred *cred, 548 struct vnode *vp, struct label *vplabel, 549 int attrnamespace); 550 typedef int (*mpo_check_vnode_lookup_t)(struct ucred *cred, 551 struct vnode *dvp, struct label *dvplabel, 552 struct componentname *cnp); 553 typedef int (*mpo_check_vnode_mmap_t)(struct ucred *cred, 554 struct vnode *vp, struct label *label, int prot, 555 int flags); 556 typedef void (*mpo_check_vnode_mmap_downgrade_t)(struct ucred *cred, 557 struct vnode *vp, struct label *vplabel, int *prot); 558 typedef int (*mpo_check_vnode_mprotect_t)(struct ucred *cred, 559 struct vnode *vp, struct label *vplabel, int prot); 560 typedef int (*mpo_check_vnode_open_t)(struct ucred *cred, 561 struct vnode *vp, struct label *vplabel, int acc_mode); 562 typedef int (*mpo_check_vnode_poll_t)(struct ucred *active_cred, 563 struct ucred *file_cred, struct vnode *vp, 564 struct label *vplabel); 565 typedef int (*mpo_check_vnode_read_t)(struct ucred *active_cred, 566 struct ucred *file_cred, struct vnode *vp, 567 struct label *vplabel); 568 typedef int (*mpo_check_vnode_readdir_t)(struct ucred *cred, 569 struct vnode *dvp, struct label *dvplabel); 570 typedef int (*mpo_check_vnode_readlink_t)(struct ucred *cred, 571 struct vnode *vp, struct label *vplabel); 572 typedef int (*mpo_check_vnode_relabel_t)(struct ucred *cred, 573 struct vnode *vp, struct label *vplabel, 574 struct label *newlabel); 575 typedef int (*mpo_check_vnode_rename_from_t)(struct ucred *cred, 576 struct vnode *dvp, struct label *dvplabel, 577 struct vnode *vp, struct label *vplabel, 578 struct componentname *cnp); 579 typedef int (*mpo_check_vnode_rename_to_t)(struct ucred *cred, 580 struct vnode *dvp, struct label *dvplabel, 581 struct vnode *vp, struct label *vplabel, int samedir, 582 struct componentname *cnp); 583 typedef int (*mpo_check_vnode_revoke_t)(struct ucred *cred, 584 struct vnode *vp, struct label *vplabel); 585 typedef int (*mpo_check_vnode_setacl_t)(struct ucred *cred, 586 struct vnode *vp, struct label *vplabel, acl_type_t type, 587 struct acl *acl); 588 typedef int (*mpo_check_vnode_setextattr_t)(struct ucred *cred, 589 struct vnode *vp, struct label *vplabel, 590 int attrnamespace, const char *name, struct uio *uio); 591 typedef int (*mpo_check_vnode_setflags_t)(struct ucred *cred, 592 struct vnode *vp, struct label *vplabel, u_long flags); 593 typedef int (*mpo_check_vnode_setmode_t)(struct ucred *cred, 594 struct vnode *vp, struct label *vplabel, mode_t mode); 595 typedef int (*mpo_check_vnode_setowner_t)(struct ucred *cred, 596 struct vnode *vp, struct label *vplabel, uid_t uid, 597 gid_t gid); 598 typedef int (*mpo_check_vnode_setutimes_t)(struct ucred *cred, 599 struct vnode *vp, struct label *vplabel, 600 struct timespec atime, struct timespec mtime); 601 typedef int (*mpo_check_vnode_stat_t)(struct ucred *active_cred, 602 struct ucred *file_cred, struct vnode *vp, 603 struct label *vplabel); 604 typedef int (*mpo_check_vnode_write_t)(struct ucred *active_cred, 605 struct ucred *file_cred, struct vnode *vp, 606 struct label *vplabel); 607 typedef void (*mpo_associate_nfsd_label_t)(struct ucred *cred); 608 typedef int (*mpo_priv_check_t)(struct ucred *cred, int priv); 609 typedef int (*mpo_priv_grant_t)(struct ucred *cred, int priv); 610 611 struct mac_policy_ops { 612 /* 613 * Policy module operations. 614 */ 615 mpo_destroy_t mpo_destroy; 616 mpo_init_t mpo_init; 617 618 /* 619 * General policy-directed security system call so that policies may 620 * implement new services without reserving explicit system call 621 * numbers. 622 */ 623 mpo_syscall_t mpo_syscall; 624 625 /* 626 * Label operations. Initialize label storage, destroy label 627 * storage, recycle for re-use without init/destroy, copy a label to 628 * initialized storage, and externalize/internalize from/to 629 * initialized storage. 630 */ 631 mpo_init_bpfdesc_label_t mpo_init_bpfdesc_label; 632 mpo_init_cred_label_t mpo_init_cred_label; 633 mpo_init_devfs_label_t mpo_init_devfs_label; 634 mpo_placeholder_t _mpo_placeholder0; 635 mpo_init_ifnet_label_t mpo_init_ifnet_label; 636 mpo_init_inpcb_label_t mpo_init_inpcb_label; 637 mpo_init_sysv_msgmsg_label_t mpo_init_sysv_msgmsg_label; 638 mpo_init_sysv_msgqueue_label_t mpo_init_sysv_msgqueue_label; 639 mpo_init_sysv_sem_label_t mpo_init_sysv_sem_label; 640 mpo_init_sysv_shm_label_t mpo_init_sysv_shm_label; 641 mpo_init_ipq_label_t mpo_init_ipq_label; 642 mpo_init_mbuf_label_t mpo_init_mbuf_label; 643 mpo_init_mount_label_t mpo_init_mount_label; 644 mpo_init_socket_label_t mpo_init_socket_label; 645 mpo_init_socket_peer_label_t mpo_init_socket_peer_label; 646 mpo_init_pipe_label_t mpo_init_pipe_label; 647 mpo_init_posix_sem_label_t mpo_init_posix_sem_label; 648 mpo_init_proc_label_t mpo_init_proc_label; 649 mpo_init_vnode_label_t mpo_init_vnode_label; 650 mpo_destroy_bpfdesc_label_t mpo_destroy_bpfdesc_label; 651 mpo_destroy_cred_label_t mpo_destroy_cred_label; 652 mpo_destroy_devfs_label_t mpo_destroy_devfs_label; 653 mpo_placeholder_t _mpo_placeholder1; 654 mpo_destroy_ifnet_label_t mpo_destroy_ifnet_label; 655 mpo_destroy_inpcb_label_t mpo_destroy_inpcb_label; 656 mpo_destroy_sysv_msgmsg_label_t mpo_destroy_sysv_msgmsg_label; 657 mpo_destroy_sysv_msgqueue_label_t mpo_destroy_sysv_msgqueue_label; 658 mpo_destroy_sysv_sem_label_t mpo_destroy_sysv_sem_label; 659 mpo_destroy_sysv_shm_label_t mpo_destroy_sysv_shm_label; 660 mpo_destroy_ipq_label_t mpo_destroy_ipq_label; 661 mpo_destroy_mbuf_label_t mpo_destroy_mbuf_label; 662 mpo_destroy_mount_label_t mpo_destroy_mount_label; 663 mpo_destroy_socket_label_t mpo_destroy_socket_label; 664 mpo_destroy_socket_peer_label_t mpo_destroy_socket_peer_label; 665 mpo_destroy_pipe_label_t mpo_destroy_pipe_label; 666 mpo_destroy_posix_sem_label_t mpo_destroy_posix_sem_label; 667 mpo_destroy_proc_label_t mpo_destroy_proc_label; 668 mpo_destroy_vnode_label_t mpo_destroy_vnode_label; 669 mpo_cleanup_sysv_msgmsg_t mpo_cleanup_sysv_msgmsg; 670 mpo_cleanup_sysv_msgqueue_t mpo_cleanup_sysv_msgqueue; 671 mpo_cleanup_sysv_sem_t mpo_cleanup_sysv_sem; 672 mpo_cleanup_sysv_shm_t mpo_cleanup_sysv_shm; 673 mpo_copy_cred_label_t mpo_copy_cred_label; 674 mpo_copy_ifnet_label_t mpo_copy_ifnet_label; 675 mpo_copy_mbuf_label_t mpo_copy_mbuf_label; 676 mpo_placeholder_t _mpo_placeholder2; 677 mpo_copy_pipe_label_t mpo_copy_pipe_label; 678 mpo_copy_socket_label_t mpo_copy_socket_label; 679 mpo_copy_vnode_label_t mpo_copy_vnode_label; 680 mpo_externalize_cred_label_t mpo_externalize_cred_label; 681 mpo_externalize_ifnet_label_t mpo_externalize_ifnet_label; 682 mpo_placeholder_t _mpo_placeholder3; 683 mpo_externalize_pipe_label_t mpo_externalize_pipe_label; 684 mpo_externalize_socket_label_t mpo_externalize_socket_label; 685 mpo_externalize_socket_peer_label_t mpo_externalize_socket_peer_label; 686 mpo_externalize_vnode_label_t mpo_externalize_vnode_label; 687 mpo_internalize_cred_label_t mpo_internalize_cred_label; 688 mpo_internalize_ifnet_label_t mpo_internalize_ifnet_label; 689 mpo_placeholder_t _mpo_placeholder4; 690 mpo_internalize_pipe_label_t mpo_internalize_pipe_label; 691 mpo_internalize_socket_label_t mpo_internalize_socket_label; 692 mpo_internalize_vnode_label_t mpo_internalize_vnode_label; 693 694 /* 695 * Labeling event operations: file system objects, and things that 696 * look a lot like file system objects. 697 */ 698 mpo_associate_vnode_devfs_t mpo_associate_vnode_devfs; 699 mpo_associate_vnode_extattr_t mpo_associate_vnode_extattr; 700 mpo_associate_vnode_singlelabel_t mpo_associate_vnode_singlelabel; 701 mpo_create_devfs_device_t mpo_create_devfs_device; 702 mpo_create_devfs_directory_t mpo_create_devfs_directory; 703 mpo_create_devfs_symlink_t mpo_create_devfs_symlink; 704 mpo_placeholder_t _mpo_placeholder5; 705 mpo_create_vnode_extattr_t mpo_create_vnode_extattr; 706 mpo_create_mount_t mpo_create_mount; 707 mpo_relabel_vnode_t mpo_relabel_vnode; 708 mpo_setlabel_vnode_extattr_t mpo_setlabel_vnode_extattr; 709 mpo_update_devfs_t mpo_update_devfs; 710 711 /* 712 * Labeling event operations: IPC objects. 713 */ 714 mpo_create_mbuf_from_socket_t mpo_create_mbuf_from_socket; 715 mpo_create_socket_t mpo_create_socket; 716 mpo_create_socket_from_socket_t mpo_create_socket_from_socket; 717 mpo_relabel_socket_t mpo_relabel_socket; 718 mpo_relabel_pipe_t mpo_relabel_pipe; 719 mpo_set_socket_peer_from_mbuf_t mpo_set_socket_peer_from_mbuf; 720 mpo_set_socket_peer_from_socket_t mpo_set_socket_peer_from_socket; 721 mpo_create_pipe_t mpo_create_pipe; 722 723 /* 724 * Labeling event operations: System V IPC primitives. 725 */ 726 mpo_create_sysv_msgmsg_t mpo_create_sysv_msgmsg; 727 mpo_create_sysv_msgqueue_t mpo_create_sysv_msgqueue; 728 mpo_create_sysv_sem_t mpo_create_sysv_sem; 729 mpo_create_sysv_shm_t mpo_create_sysv_shm; 730 731 /* 732 * Labeling event operations: POSIX (global/inter-process) semaphores. 733 */ 734 mpo_create_posix_sem_t mpo_create_posix_sem; 735 736 /* 737 * Labeling event operations: network objects. 738 */ 739 mpo_create_bpfdesc_t mpo_create_bpfdesc; 740 mpo_create_ifnet_t mpo_create_ifnet; 741 mpo_create_inpcb_from_socket_t mpo_create_inpcb_from_socket; 742 mpo_create_ipq_t mpo_create_ipq; 743 mpo_create_datagram_from_ipq mpo_create_datagram_from_ipq; 744 mpo_create_fragment_t mpo_create_fragment; 745 mpo_create_mbuf_from_inpcb_t mpo_create_mbuf_from_inpcb; 746 mpo_create_mbuf_linklayer_t mpo_create_mbuf_linklayer; 747 mpo_create_mbuf_from_bpfdesc_t mpo_create_mbuf_from_bpfdesc; 748 mpo_create_mbuf_from_ifnet_t mpo_create_mbuf_from_ifnet; 749 mpo_create_mbuf_multicast_encap_t mpo_create_mbuf_multicast_encap; 750 mpo_create_mbuf_netlayer_t mpo_create_mbuf_netlayer; 751 mpo_fragment_match_t mpo_fragment_match; 752 mpo_reflect_mbuf_icmp_t mpo_reflect_mbuf_icmp; 753 mpo_reflect_mbuf_tcp_t mpo_reflect_mbuf_tcp; 754 mpo_relabel_ifnet_t mpo_relabel_ifnet; 755 mpo_update_ipq_t mpo_update_ipq; 756 mpo_inpcb_sosetlabel_t mpo_inpcb_sosetlabel; 757 758 /* 759 * Labeling event operations: processes. 760 */ 761 mpo_execve_transition_t mpo_execve_transition; 762 mpo_execve_will_transition_t mpo_execve_will_transition; 763 mpo_create_proc0_t mpo_create_proc0; 764 mpo_create_proc1_t mpo_create_proc1; 765 mpo_relabel_cred_t mpo_relabel_cred; 766 mpo_placeholder_t _mpo_placeholder6; 767 mpo_thread_userret_t mpo_thread_userret; 768 769 /* 770 * Access control checks. 771 */ 772 mpo_check_bpfdesc_receive_t mpo_check_bpfdesc_receive; 773 mpo_placeholder_t _mpo_placeholder7; 774 mpo_check_cred_relabel_t mpo_check_cred_relabel; 775 mpo_check_cred_visible_t mpo_check_cred_visible; 776 mpo_placeholder_t _mpo_placeholder8; 777 mpo_placeholder_t _mpo_placeholder9; 778 mpo_placeholder_t _mpo_placeholder10; 779 mpo_placeholder_t _mpo_placeholder11; 780 mpo_placeholder_t _mpo_placeholder12; 781 mpo_placeholder_t _mpo_placeholder13; 782 mpo_placeholder_t _mpo_placeholder14; 783 mpo_placeholder_t _mpo_placeholder15; 784 mpo_placeholder_t _mpo_placeholder16; 785 mpo_placeholder_t _mpo_placeholder17; 786 mpo_placeholder_t _mpo_placeholder18; 787 mpo_check_ifnet_relabel_t mpo_check_ifnet_relabel; 788 mpo_check_ifnet_transmit_t mpo_check_ifnet_transmit; 789 mpo_check_inpcb_deliver_t mpo_check_inpcb_deliver; 790 mpo_check_sysv_msgmsq_t mpo_check_sysv_msgmsq; 791 mpo_check_sysv_msgrcv_t mpo_check_sysv_msgrcv; 792 mpo_check_sysv_msgrmid_t mpo_check_sysv_msgrmid; 793 mpo_check_sysv_msqget_t mpo_check_sysv_msqget; 794 mpo_check_sysv_msqsnd_t mpo_check_sysv_msqsnd; 795 mpo_check_sysv_msqrcv_t mpo_check_sysv_msqrcv; 796 mpo_check_sysv_msqctl_t mpo_check_sysv_msqctl; 797 mpo_check_sysv_semctl_t mpo_check_sysv_semctl; 798 mpo_check_sysv_semget_t mpo_check_sysv_semget; 799 mpo_check_sysv_semop_t mpo_check_sysv_semop; 800 mpo_check_sysv_shmat_t mpo_check_sysv_shmat; 801 mpo_check_sysv_shmctl_t mpo_check_sysv_shmctl; 802 mpo_check_sysv_shmdt_t mpo_check_sysv_shmdt; 803 mpo_check_sysv_shmget_t mpo_check_sysv_shmget; 804 mpo_check_kenv_dump_t mpo_check_kenv_dump; 805 mpo_check_kenv_get_t mpo_check_kenv_get; 806 mpo_check_kenv_set_t mpo_check_kenv_set; 807 mpo_check_kenv_unset_t mpo_check_kenv_unset; 808 mpo_check_kld_load_t mpo_check_kld_load; 809 mpo_check_kld_stat_t mpo_check_kld_stat; 810 mpo_placeholder_t _mpo_placeholder19; 811 mpo_placeholder_t _mpo_placeholder20; 812 mpo_check_mount_stat_t mpo_check_mount_stat; 813 mpo_placeholder_t _mpo_placeholder_21; 814 mpo_check_pipe_ioctl_t mpo_check_pipe_ioctl; 815 mpo_check_pipe_poll_t mpo_check_pipe_poll; 816 mpo_check_pipe_read_t mpo_check_pipe_read; 817 mpo_check_pipe_relabel_t mpo_check_pipe_relabel; 818 mpo_check_pipe_stat_t mpo_check_pipe_stat; 819 mpo_check_pipe_write_t mpo_check_pipe_write; 820 mpo_check_posix_sem_destroy_t mpo_check_posix_sem_destroy; 821 mpo_check_posix_sem_getvalue_t mpo_check_posix_sem_getvalue; 822 mpo_check_posix_sem_open_t mpo_check_posix_sem_open; 823 mpo_check_posix_sem_post_t mpo_check_posix_sem_post; 824 mpo_check_posix_sem_unlink_t mpo_check_posix_sem_unlink; 825 mpo_check_posix_sem_wait_t mpo_check_posix_sem_wait; 826 mpo_check_proc_debug_t mpo_check_proc_debug; 827 mpo_check_proc_sched_t mpo_check_proc_sched; 828 mpo_check_proc_setaudit_t mpo_check_proc_setaudit; 829 mpo_check_proc_setauid_t mpo_check_proc_setauid; 830 mpo_check_proc_setuid_t mpo_check_proc_setuid; 831 mpo_check_proc_seteuid_t mpo_check_proc_seteuid; 832 mpo_check_proc_setgid_t mpo_check_proc_setgid; 833 mpo_check_proc_setegid_t mpo_check_proc_setegid; 834 mpo_check_proc_setgroups_t mpo_check_proc_setgroups; 835 mpo_check_proc_setreuid_t mpo_check_proc_setreuid; 836 mpo_check_proc_setregid_t mpo_check_proc_setregid; 837 mpo_check_proc_setresuid_t mpo_check_proc_setresuid; 838 mpo_check_proc_setresgid_t mpo_check_proc_setresgid; 839 mpo_check_proc_signal_t mpo_check_proc_signal; 840 mpo_check_proc_wait_t mpo_check_proc_wait; 841 mpo_check_socket_accept_t mpo_check_socket_accept; 842 mpo_check_socket_bind_t mpo_check_socket_bind; 843 mpo_check_socket_connect_t mpo_check_socket_connect; 844 mpo_check_socket_create_t mpo_check_socket_create; 845 mpo_check_socket_deliver_t mpo_check_socket_deliver; 846 mpo_placeholder_t _mpo_placeholder22; 847 mpo_check_socket_listen_t mpo_check_socket_listen; 848 mpo_check_socket_poll_t mpo_check_socket_poll; 849 mpo_check_socket_receive_t mpo_check_socket_receive; 850 mpo_check_socket_relabel_t mpo_check_socket_relabel; 851 mpo_check_socket_send_t mpo_check_socket_send; 852 mpo_check_socket_stat_t mpo_check_socket_stat; 853 mpo_check_socket_visible_t mpo_check_socket_visible; 854 mpo_check_system_acct_t mpo_check_system_acct; 855 mpo_check_system_audit_t mpo_check_system_audit; 856 mpo_check_system_auditctl_t mpo_check_system_auditctl; 857 mpo_check_system_auditon_t mpo_check_system_auditon; 858 mpo_check_system_reboot_t mpo_check_system_reboot; 859 mpo_check_system_swapon_t mpo_check_system_swapon; 860 mpo_check_system_swapoff_t mpo_check_system_swapoff; 861 mpo_check_system_sysctl_t mpo_check_system_sysctl; 862 mpo_placeholder_t _mpo_placeholder23; 863 mpo_check_vnode_access_t mpo_check_vnode_access; 864 mpo_check_vnode_chdir_t mpo_check_vnode_chdir; 865 mpo_check_vnode_chroot_t mpo_check_vnode_chroot; 866 mpo_check_vnode_create_t mpo_check_vnode_create; 867 mpo_check_vnode_delete_t mpo_check_vnode_delete; 868 mpo_check_vnode_deleteacl_t mpo_check_vnode_deleteacl; 869 mpo_check_vnode_deleteextattr_t mpo_check_vnode_deleteextattr; 870 mpo_check_vnode_exec_t mpo_check_vnode_exec; 871 mpo_check_vnode_getacl_t mpo_check_vnode_getacl; 872 mpo_check_vnode_getextattr_t mpo_check_vnode_getextattr; 873 mpo_placeholder_t _mpo_placeholder24; 874 mpo_check_vnode_link_t mpo_check_vnode_link; 875 mpo_check_vnode_listextattr_t mpo_check_vnode_listextattr; 876 mpo_check_vnode_lookup_t mpo_check_vnode_lookup; 877 mpo_check_vnode_mmap_t mpo_check_vnode_mmap; 878 mpo_check_vnode_mmap_downgrade_t mpo_check_vnode_mmap_downgrade; 879 mpo_check_vnode_mprotect_t mpo_check_vnode_mprotect; 880 mpo_check_vnode_open_t mpo_check_vnode_open; 881 mpo_check_vnode_poll_t mpo_check_vnode_poll; 882 mpo_check_vnode_read_t mpo_check_vnode_read; 883 mpo_check_vnode_readdir_t mpo_check_vnode_readdir; 884 mpo_check_vnode_readlink_t mpo_check_vnode_readlink; 885 mpo_check_vnode_relabel_t mpo_check_vnode_relabel; 886 mpo_check_vnode_rename_from_t mpo_check_vnode_rename_from; 887 mpo_check_vnode_rename_to_t mpo_check_vnode_rename_to; 888 mpo_check_vnode_revoke_t mpo_check_vnode_revoke; 889 mpo_check_vnode_setacl_t mpo_check_vnode_setacl; 890 mpo_check_vnode_setextattr_t mpo_check_vnode_setextattr; 891 mpo_check_vnode_setflags_t mpo_check_vnode_setflags; 892 mpo_check_vnode_setmode_t mpo_check_vnode_setmode; 893 mpo_check_vnode_setowner_t mpo_check_vnode_setowner; 894 mpo_check_vnode_setutimes_t mpo_check_vnode_setutimes; 895 mpo_check_vnode_stat_t mpo_check_vnode_stat; 896 mpo_check_vnode_write_t mpo_check_vnode_write; 897 mpo_associate_nfsd_label_t mpo_associate_nfsd_label; 898 mpo_create_mbuf_from_firewall_t mpo_create_mbuf_from_firewall; 899 mpo_init_syncache_label_t mpo_init_syncache_label; 900 mpo_destroy_syncache_label_t mpo_destroy_syncache_label; 901 mpo_init_syncache_from_inpcb_t mpo_init_syncache_from_inpcb; 902 mpo_create_mbuf_from_syncache_t mpo_create_mbuf_from_syncache; 903 mpo_priv_check_t mpo_priv_check; 904 mpo_priv_grant_t mpo_priv_grant; 905 }; 906 907 /* 908 * struct mac_policy_conf is the registration structure for policies, and is 909 * provided to the MAC Framework using MAC_POLICY_SET() to invoke a SYSINIT 910 * to register the policy. In general, the fields are immutable, with the 911 * exception of the "security field", run-time flags, and policy list entry, 912 * which are managed by the MAC Framework. Be careful when modifying this 913 * structure, as its layout is statically compiled into all policies. 914 */ 915 struct mac_policy_conf { 916 char *mpc_name; /* policy name */ 917 char *mpc_fullname; /* policy full name */ 918 struct mac_policy_ops *mpc_ops; /* policy operations */ 919 int mpc_loadtime_flags; /* flags */ 920 int *mpc_field_off; /* security field */ 921 int mpc_runtime_flags; /* flags */ 922 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */ 923 }; 924 925 /* Flags for the mpc_loadtime_flags field. */ 926 #define MPC_LOADTIME_FLAG_NOTLATE 0x00000001 927 #define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002 928 #define MPC_LOADTIME_FLAG_LABELMBUFS 0x00000004 929 930 /* Flags for the mpc_runtime_flags field. */ 931 #define MPC_RUNTIME_FLAG_REGISTERED 0x00000001 932 933 /*- 934 * The TrustedBSD MAC Framework has a major version number, MAC_VERSION, 935 * which defines the ABI of the Framework present in the kernel (and depended 936 * on by policy modules compiled against that kernel). Currently, 937 * MAC_POLICY_SET() requires that the kernel and module ABI version numbers 938 * exactly match. The following major versions have been defined to date: 939 * 940 * MAC version FreeBSD versions 941 * 1 5.x 942 * 2 6.x 943 * 3 7.x 944 */ 945 #define MAC_VERSION 3 946 947 #define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \ 948 static struct mac_policy_conf mpname##_mac_policy_conf = { \ 949 #mpname, \ 950 mpfullname, \ 951 mpops, \ 952 mpflags, \ 953 privdata_wanted, \ 954 0, \ 955 }; \ 956 static moduledata_t mpname##_mod = { \ 957 #mpname, \ 958 mac_policy_modevent, \ 959 &mpname##_mac_policy_conf \ 960 }; \ 961 MODULE_DEPEND(mpname, kernel_mac_support, MAC_VERSION, \ 962 MAC_VERSION, MAC_VERSION); \ 963 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \ 964 SI_ORDER_MIDDLE) 965 966 int mac_policy_modevent(module_t mod, int type, void *data); 967 968 /* 969 * Policy interface to map a struct label pointer to per-policy data. 970 * Typically, policies wrap this in their own accessor macro that casts a 971 * uintptr_t to a policy-specific data type. 972 */ 973 intptr_t mac_label_get(struct label *l, int slot); 974 void mac_label_set(struct label *l, int slot, intptr_t v); 975 976 #endif /* !_SYS_SECURITY_MAC_MAC_POLICY_H_ */ 977