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_MAC_POLICY_H_ 44 #define _SYS_MAC_POLICY_H_ 45 46 /*- 47 * Pluggable access control policy definition structure. 48 * 49 * List of operations that are performed as part of the implementation 50 * of a MAC policy. Policy implementors declare operations with a 51 * mac_policy_ops structure, and using the MAC_POLICY_SET() macro. 52 * If an entry point is not declared, then then the policy will be ignored 53 * during evaluation of that event or check. 54 * 55 * Operations are sorted first by general class of operation, then 56 * alphabetically. 57 */ 58 #include <sys/acl.h> /* XXX acl_type_t */ 59 60 struct acl; 61 struct bpf_d; 62 struct cdev; 63 struct componentname; 64 struct devfs_dirent; 65 struct ifnet; 66 struct image_params; 67 struct inpcb; 68 struct ipq; 69 struct ksem; 70 struct label; 71 struct mac_policy_conf; 72 struct mbuf; 73 struct mount; 74 struct msg; 75 struct msqid_kernel; 76 struct pipepair; 77 struct proc; 78 struct sbuf; 79 struct semid_kernel; 80 struct shmid_kernel; 81 struct sockaddr; 82 struct socket; 83 struct sysctl_oid; 84 struct sysctl_req; 85 struct thread; 86 struct ucred; 87 struct uio; 88 struct vattr; 89 struct vnode; 90 91 /* 92 * Policy module operations. 93 */ 94 typedef void (*mpo_destroy_t)(struct mac_policy_conf *mpc); 95 typedef void (*mpo_init_t)(struct mac_policy_conf *mpc); 96 97 /* 98 * General policy-directed security system call so that policies may 99 * implement new services without reserving explicit system call 100 * numbers. 101 */ 102 typedef int (*mpo_syscall_t)(struct thread *td, int call, void *arg); 103 104 /* 105 * Place-holder function pointers for ABI-compatibility purposes. 106 */ 107 typedef void (*mpo_placeholder_t)(void); 108 109 /* 110 * Label operations. Initialize label storage, destroy label 111 * storage, recycle for re-use without init/destroy, copy a label to 112 * initialized storage, and externalize/internalize from/to 113 * initialized storage. 114 */ 115 typedef void (*mpo_init_bpfdesc_label_t)(struct label *label); 116 typedef void (*mpo_init_cred_label_t)(struct label *label); 117 typedef void (*mpo_init_devfsdirent_label_t)(struct label *label); 118 typedef void (*mpo_init_ifnet_label_t)(struct label *label); 119 typedef int (*mpo_init_inpcb_label_t)(struct label *label, int flag); 120 typedef void (*mpo_init_sysv_msgmsg_label_t)(struct label *label); 121 typedef void (*mpo_init_sysv_msgqueue_label_t)(struct label *label); 122 typedef void (*mpo_init_sysv_sem_label_t)(struct label *label); 123 typedef void (*mpo_init_sysv_shm_label_t)(struct label *label); 124 typedef int (*mpo_init_ipq_label_t)(struct label *label, int flag); 125 typedef int (*mpo_init_mbuf_label_t)(struct label *label, int flag); 126 typedef void (*mpo_init_mount_label_t)(struct label *label); 127 typedef void (*mpo_init_mount_fs_label_t)(struct label *label); 128 typedef int (*mpo_init_socket_label_t)(struct label *label, int flag); 129 typedef int (*mpo_init_socket_peer_label_t)(struct label *label, 130 int flag); 131 typedef void (*mpo_init_pipe_label_t)(struct label *label); 132 typedef void (*mpo_init_posix_sem_label_t)(struct label *label); 133 typedef void (*mpo_init_proc_label_t)(struct label *label); 134 typedef void (*mpo_init_vnode_label_t)(struct label *label); 135 typedef void (*mpo_destroy_bpfdesc_label_t)(struct label *label); 136 typedef void (*mpo_destroy_cred_label_t)(struct label *label); 137 typedef void (*mpo_destroy_devfsdirent_label_t)(struct label *label); 138 typedef void (*mpo_destroy_ifnet_label_t)(struct label *label); 139 typedef void (*mpo_destroy_inpcb_label_t)(struct label *label); 140 typedef void (*mpo_destroy_sysv_msgmsg_label_t)(struct label *label); 141 typedef void (*mpo_destroy_sysv_msgqueue_label_t)(struct label *label); 142 typedef void (*mpo_destroy_sysv_sem_label_t)(struct label *label); 143 typedef void (*mpo_destroy_sysv_shm_label_t)(struct label *label); 144 typedef void (*mpo_destroy_ipq_label_t)(struct label *label); 145 typedef void (*mpo_destroy_mbuf_label_t)(struct label *label); 146 typedef void (*mpo_destroy_mount_label_t)(struct label *label); 147 typedef void (*mpo_destroy_mount_fs_label_t)(struct label *label); 148 typedef void (*mpo_destroy_socket_label_t)(struct label *label); 149 typedef void (*mpo_destroy_socket_peer_label_t)(struct label *label); 150 typedef void (*mpo_destroy_pipe_label_t)(struct label *label); 151 typedef void (*mpo_destroy_posix_sem_label_t)(struct label *label); 152 typedef void (*mpo_destroy_proc_label_t)(struct label *label); 153 typedef void (*mpo_destroy_vnode_label_t)(struct label *label); 154 typedef void (*mpo_cleanup_sysv_msgmsg_t)(struct label *msglabel); 155 typedef void (*mpo_cleanup_sysv_msgqueue_t)(struct label *msqlabel); 156 typedef void (*mpo_cleanup_sysv_sem_t)(struct label *semalabel); 157 typedef void (*mpo_cleanup_sysv_shm_t)(struct label *shmlabel); 158 typedef void (*mpo_copy_cred_label_t)(struct label *src, 159 struct label *dest); 160 typedef void (*mpo_copy_ifnet_label_t)(struct label *src, 161 struct label *dest); 162 typedef void (*mpo_copy_mbuf_label_t)(struct label *src, 163 struct label *dest); 164 typedef void (*mpo_copy_pipe_label_t)(struct label *src, 165 struct label *dest); 166 typedef void (*mpo_copy_socket_label_t)(struct label *src, 167 struct label *dest); 168 typedef void (*mpo_copy_vnode_label_t)(struct label *src, 169 struct label *dest); 170 typedef int (*mpo_externalize_cred_label_t)(struct label *label, 171 char *element_name, struct sbuf *sb, int *claimed); 172 typedef int (*mpo_externalize_ifnet_label_t)(struct label *label, 173 char *element_name, struct sbuf *sb, int *claimed); 174 typedef int (*mpo_externalize_pipe_label_t)(struct label *label, 175 char *element_name, struct sbuf *sb, int *claimed); 176 typedef int (*mpo_externalize_socket_label_t)(struct label *label, 177 char *element_name, struct sbuf *sb, int *claimed); 178 typedef int (*mpo_externalize_socket_peer_label_t)(struct label *label, 179 char *element_name, struct sbuf *sb, int *claimed); 180 typedef int (*mpo_externalize_vnode_label_t)(struct label *label, 181 char *element_name, struct sbuf *sb, int *claimed); 182 typedef int (*mpo_internalize_cred_label_t)(struct label *label, 183 char *element_name, char *element_data, int *claimed); 184 typedef int (*mpo_internalize_ifnet_label_t)(struct label *label, 185 char *element_name, char *element_data, int *claimed); 186 typedef int (*mpo_internalize_pipe_label_t)(struct label *label, 187 char *element_name, char *element_data, int *claimed); 188 typedef int (*mpo_internalize_socket_label_t)(struct label *label, 189 char *element_name, char *element_data, int *claimed); 190 typedef int (*mpo_internalize_vnode_label_t)(struct label *label, 191 char *element_name, char *element_data, int *claimed); 192 193 /* 194 * Labeling event operations: file system objects, and things that 195 * look a lot like file system objects. 196 */ 197 typedef void (*mpo_associate_vnode_devfs_t)(struct mount *mp, 198 struct label *fslabel, struct devfs_dirent *de, 199 struct label *delabel, struct vnode *vp, 200 struct label *vlabel); 201 typedef int (*mpo_associate_vnode_extattr_t)(struct mount *mp, 202 struct label *fslabel, struct vnode *vp, 203 struct label *vlabel); 204 typedef void (*mpo_associate_vnode_singlelabel_t)(struct mount *mp, 205 struct label *fslabel, struct vnode *vp, 206 struct label *vlabel); 207 typedef void (*mpo_create_devfs_device_t)(struct ucred *cred, 208 struct mount *mp, struct cdev *dev, 209 struct devfs_dirent *de, struct label *label); 210 typedef void (*mpo_create_devfs_directory_t)(struct mount *mp, 211 char *dirname, int dirnamelen, struct devfs_dirent *de, 212 struct label *label); 213 typedef void (*mpo_create_devfs_symlink_t)(struct ucred *cred, 214 struct mount *mp, struct devfs_dirent *dd, 215 struct label *ddlabel, struct devfs_dirent *de, 216 struct label *delabel); 217 typedef int (*mpo_create_vnode_extattr_t)(struct ucred *cred, 218 struct mount *mp, struct label *fslabel, 219 struct vnode *dvp, struct label *dlabel, 220 struct vnode *vp, struct label *vlabel, 221 struct componentname *cnp); 222 typedef void (*mpo_create_mount_t)(struct ucred *cred, struct mount *mp, 223 struct label *mntlabel, struct label *fslabel); 224 typedef void (*mpo_relabel_vnode_t)(struct ucred *cred, struct vnode *vp, 225 struct label *vnodelabel, struct label *label); 226 typedef int (*mpo_setlabel_vnode_extattr_t)(struct ucred *cred, 227 struct vnode *vp, struct label *vlabel, 228 struct label *intlabel); 229 typedef void (*mpo_update_devfsdirent_t)(struct mount *mp, 230 struct devfs_dirent *devfs_dirent, 231 struct label *direntlabel, struct vnode *vp, 232 struct label *vnodelabel); 233 234 /* 235 * Labeling event operations: IPC objects. 236 */ 237 typedef void (*mpo_create_mbuf_from_socket_t)(struct socket *so, 238 struct label *socketlabel, struct mbuf *m, 239 struct label *mbuflabel); 240 typedef void (*mpo_create_socket_t)(struct ucred *cred, struct socket *so, 241 struct label *socketlabel); 242 typedef void (*mpo_create_socket_from_socket_t)(struct socket *oldsocket, 243 struct label *oldsocketlabel, struct socket *newsocket, 244 struct label *newsocketlabel); 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 *mbuf, 250 struct label *mbuflabel, struct socket *so, 251 struct label *socketpeerlabel); 252 typedef void (*mpo_set_socket_peer_from_socket_t)(struct socket *oldsocket, 253 struct label *oldsocketlabel, struct socket *newsocket, 254 struct label *newsocketpeerlabel); 255 typedef void (*mpo_create_pipe_t)(struct ucred *cred, struct pipepair *pp, 256 struct label *pipelabel); 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 *bpf_d, struct label *bpflabel); 282 typedef void (*mpo_create_ifnet_t)(struct ifnet *ifnet, 283 struct label *ifnetlabel); 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 *fragment, 288 struct label *fragmentlabel, struct ipq *ipq, 289 struct label *ipqlabel); 290 typedef void (*mpo_create_datagram_from_ipq) 291 (struct ipq *ipq, struct label *ipqlabel, 292 struct mbuf *datagram, struct label *datagramlabel); 293 typedef void (*mpo_create_fragment_t)(struct mbuf *datagram, 294 struct label *datagramlabel, struct mbuf *fragment, 295 struct label *fragmentlabel); 296 typedef void (*mpo_create_mbuf_from_inpcb_t)(struct inpcb *inp, 297 struct label *inplabel, struct mbuf *m, 298 struct label *mlabel); 299 typedef void (*mpo_create_mbuf_linklayer_t)(struct ifnet *ifnet, 300 struct label *ifnetlabel, struct mbuf *mbuf, 301 struct label *mbuflabel); 302 typedef void (*mpo_create_mbuf_from_bpfdesc_t)(struct bpf_d *bpf_d, 303 struct label *bpflabel, struct mbuf *mbuf, 304 struct label *mbuflabel); 305 typedef void (*mpo_create_mbuf_from_ifnet_t)(struct ifnet *ifnet, 306 struct label *ifnetlabel, struct mbuf *mbuf, 307 struct label *mbuflabel); 308 typedef void (*mpo_create_mbuf_multicast_encap_t)(struct mbuf *oldmbuf, 309 struct label *oldmbuflabel, struct ifnet *ifnet, 310 struct label *ifnetlabel, struct mbuf *newmbuf, 311 struct label *newmbuflabel); 312 typedef void (*mpo_create_mbuf_netlayer_t)(struct mbuf *oldmbuf, 313 struct label *oldmbuflabel, struct mbuf *newmbuf, 314 struct label *newmbuflabel); 315 typedef int (*mpo_fragment_match_t)(struct mbuf *fragment, 316 struct label *fragmentlabel, struct ipq *ipq, 317 struct label *ipqlabel); 318 typedef void (*mpo_reflect_mbuf_icmp_t)(struct mbuf *m, 319 struct label *mlabel); 320 typedef void (*mpo_reflect_mbuf_tcp_t)(struct mbuf *m, 321 struct label *mlabel); 322 typedef void (*mpo_relabel_ifnet_t)(struct ucred *cred, 323 struct ifnet *ifnet, struct label *ifnetlabel, 324 struct label *newlabel); 325 typedef void (*mpo_update_ipq_t)(struct mbuf *fragment, 326 struct label *fragmentlabel, struct ipq *ipq, 327 struct label *ipqlabel); 328 typedef void (*mpo_inpcb_sosetlabel_t)(struct socket *so, 329 struct label *label, struct inpcb *inp, 330 struct label *inplabel); 331 332 typedef void (*mpo_create_mbuf_from_firewall_t)(struct mbuf *m, 333 struct label *label); 334 typedef void (*mpo_destroy_syncache_label_t)(struct label *label); 335 typedef int (*mpo_init_syncache_label_t)(struct label *label, int flag); 336 typedef void (*mpo_init_syncache_from_inpcb_t)(struct label *label, 337 struct inpcb *inp); 338 typedef void (*mpo_create_mbuf_from_syncache_t)(struct label *sc_label, 339 struct mbuf *m, struct label *mbuf_label); 340 /* 341 * Labeling event operations: processes. 342 */ 343 typedef void (*mpo_execve_transition_t)(struct ucred *old, 344 struct ucred *new, struct vnode *vp, 345 struct label *vnodelabel, struct label *interpvnodelabel, 346 struct image_params *imgp, struct label *execlabel); 347 typedef int (*mpo_execve_will_transition_t)(struct ucred *old, 348 struct vnode *vp, struct label *vnodelabel, 349 struct label *interpvnodelabel, 350 struct image_params *imgp, struct label *execlabel); 351 typedef void (*mpo_create_proc0_t)(struct ucred *cred); 352 typedef void (*mpo_create_proc1_t)(struct ucred *cred); 353 typedef void (*mpo_relabel_cred_t)(struct ucred *cred, 354 struct label *newlabel); 355 typedef void (*mpo_thread_userret_t)(struct thread *thread); 356 357 /* 358 * Access control checks. 359 */ 360 typedef int (*mpo_check_bpfdesc_receive_t)(struct bpf_d *bpf_d, 361 struct label *bpflabel, struct ifnet *ifnet, 362 struct label *ifnetlabel); 363 typedef int (*mpo_check_cred_relabel_t)(struct ucred *cred, 364 struct label *newlabel); 365 typedef int (*mpo_check_cred_visible_t)(struct ucred *u1, 366 struct ucred *u2); 367 typedef int (*mpo_check_ifnet_relabel_t)(struct ucred *cred, 368 struct ifnet *ifnet, struct label *ifnetlabel, 369 struct label *newlabel); 370 typedef int (*mpo_check_ifnet_transmit_t)(struct ifnet *ifnet, 371 struct label *ifnetlabel, struct mbuf *m, 372 struct label *mbuflabel); 373 typedef int (*mpo_check_inpcb_deliver_t)(struct inpcb *inp, 374 struct label *inplabel, struct mbuf *m, 375 struct label *mlabel); 376 typedef int (*mpo_check_sysv_msgmsq_t)(struct ucred *cred, 377 struct msg *msgptr, struct label *msglabel, 378 struct msqid_kernel *msqkptr, struct label *msqklabel); 379 typedef int (*mpo_check_sysv_msgrcv_t)(struct ucred *cred, 380 struct msg *msgptr, struct label *msglabel); 381 typedef int (*mpo_check_sysv_msgrmid_t)(struct ucred *cred, 382 struct msg *msgptr, struct label *msglabel); 383 typedef int (*mpo_check_sysv_msqget_t)(struct ucred *cred, 384 struct msqid_kernel *msqkptr, struct label *msqklabel); 385 typedef int (*mpo_check_sysv_msqsnd_t)(struct ucred *cred, 386 struct msqid_kernel *msqkptr, struct label *msqklabel); 387 typedef int (*mpo_check_sysv_msqrcv_t)(struct ucred *cred, 388 struct msqid_kernel *msqkptr, struct label *msqklabel); 389 typedef int (*mpo_check_sysv_msqctl_t)(struct ucred *cred, 390 struct msqid_kernel *msqkptr, struct label *msqklabel, 391 int cmd); 392 typedef int (*mpo_check_sysv_semctl_t)(struct ucred *cred, 393 struct semid_kernel *semakptr, struct label *semaklabel, 394 int cmd); 395 typedef int (*mpo_check_sysv_semget_t)(struct ucred *cred, 396 struct semid_kernel *semakptr, struct label *semaklabel); 397 typedef int (*mpo_check_sysv_semop_t)(struct ucred *cred, 398 struct semid_kernel *semakptr, struct label *semaklabel, 399 size_t accesstype); 400 typedef int (*mpo_check_sysv_shmat_t)(struct ucred *cred, 401 struct shmid_kernel *shmsegptr, 402 struct label *shmseglabel, int shmflg); 403 typedef int (*mpo_check_sysv_shmctl_t)(struct ucred *cred, 404 struct shmid_kernel *shmsegptr, 405 struct label *shmseglabel, int cmd); 406 typedef int (*mpo_check_sysv_shmdt_t)(struct ucred *cred, 407 struct shmid_kernel *shmsegptr, 408 struct label *shmseglabel); 409 typedef int (*mpo_check_sysv_shmget_t)(struct ucred *cred, 410 struct shmid_kernel *shmsegptr, 411 struct label *shmseglabel, int shmflg); 412 typedef int (*mpo_check_kenv_dump_t)(struct ucred *cred); 413 typedef int (*mpo_check_kenv_get_t)(struct ucred *cred, char *name); 414 typedef int (*mpo_check_kenv_set_t)(struct ucred *cred, char *name, 415 char *value); 416 typedef int (*mpo_check_kenv_unset_t)(struct ucred *cred, char *name); 417 typedef int (*mpo_check_kld_load_t)(struct ucred *cred, struct vnode *vp, 418 struct label *vlabel); 419 typedef int (*mpo_check_kld_stat_t)(struct ucred *cred); 420 typedef int (*mpo_check_kld_unload_t)(struct ucred *cred); 421 typedef int (*mpo_mpo_placeholder19_t)(void); 422 typedef int (*mpo_mpo_placeholder20_t)(void); 423 typedef int (*mpo_check_mount_stat_t)(struct ucred *cred, 424 struct mount *mp, struct label *mntlabel); 425 typedef int (*mpo_mpo_placeholder21_t)(void); 426 typedef int (*mpo_check_pipe_ioctl_t)(struct ucred *cred, 427 struct pipepair *pp, struct label *pipelabel, 428 unsigned long cmd, void *data); 429 typedef int (*mpo_check_pipe_poll_t)(struct ucred *cred, 430 struct pipepair *pp, struct label *pipelabel); 431 typedef int (*mpo_check_pipe_read_t)(struct ucred *cred, 432 struct pipepair *pp, struct label *pipelabel); 433 typedef int (*mpo_check_pipe_relabel_t)(struct ucred *cred, 434 struct pipepair *pp, struct label *pipelabel, 435 struct label *newlabel); 436 typedef int (*mpo_check_pipe_stat_t)(struct ucred *cred, 437 struct pipepair *pp, struct label *pipelabel); 438 typedef int (*mpo_check_pipe_write_t)(struct ucred *cred, 439 struct pipepair *pp, struct label *pipelabel); 440 typedef int (*mpo_check_posix_sem_destroy_t)(struct ucred *cred, 441 struct ksem *ksemptr, struct label *ks_label); 442 typedef int (*mpo_check_posix_sem_getvalue_t)(struct ucred *cred, 443 struct ksem *ksemptr, struct label *ks_label); 444 typedef int (*mpo_check_posix_sem_open_t)(struct ucred *cred, 445 struct ksem *ksemptr, struct label *ks_label); 446 typedef int (*mpo_check_posix_sem_post_t)(struct ucred *cred, 447 struct ksem *ksemptr, struct label *ks_label); 448 typedef int (*mpo_check_posix_sem_unlink_t)(struct ucred *cred, 449 struct ksem *ksemptr, struct label *ks_label); 450 typedef int (*mpo_check_posix_sem_wait_t)(struct ucred *cred, 451 struct ksem *ksemptr, struct label *ks_label); 452 typedef int (*mpo_check_proc_debug_t)(struct ucred *cred, 453 struct proc *proc); 454 typedef int (*mpo_check_proc_sched_t)(struct ucred *cred, 455 struct proc *proc); 456 typedef int (*mpo_check_proc_setuid_t)(struct ucred *cred, uid_t uid); 457 typedef int (*mpo_check_proc_seteuid_t)(struct ucred *cred, uid_t euid); 458 typedef int (*mpo_check_proc_setgid_t)(struct ucred *cred, gid_t gid); 459 typedef int (*mpo_check_proc_setegid_t)(struct ucred *cred, gid_t egid); 460 typedef int (*mpo_check_proc_setgroups_t)(struct ucred *cred, int ngroups, 461 gid_t *gidset); 462 typedef int (*mpo_check_proc_setreuid_t)(struct ucred *cred, uid_t ruid, 463 uid_t euid); 464 typedef int (*mpo_check_proc_setregid_t)(struct ucred *cred, gid_t rgid, 465 gid_t egid); 466 typedef int (*mpo_check_proc_setresuid_t)(struct ucred *cred, uid_t ruid, 467 uid_t euid, uid_t suid); 468 typedef int (*mpo_check_proc_setresgid_t)(struct ucred *cred, gid_t rgid, 469 gid_t egid, gid_t sgid); 470 typedef int (*mpo_check_proc_signal_t)(struct ucred *cred, 471 struct proc *proc, int signum); 472 typedef int (*mpo_check_proc_wait_t)(struct ucred *cred, 473 struct proc *proc); 474 typedef int (*mpo_check_socket_accept_t)(struct ucred *cred, 475 struct socket *so, struct label *socketlabel); 476 typedef int (*mpo_check_socket_bind_t)(struct ucred *cred, 477 struct socket *so, struct label *socketlabel, 478 struct sockaddr *sockaddr); 479 typedef int (*mpo_check_socket_connect_t)(struct ucred *cred, 480 struct socket *so, struct label *socketlabel, 481 struct sockaddr *sockaddr); 482 typedef int (*mpo_check_socket_create_t)(struct ucred *cred, int domain, 483 int type, int protocol); 484 typedef int (*mpo_check_socket_deliver_t)(struct socket *so, 485 struct label *socketlabel, struct mbuf *m, 486 struct label *mbuflabel); 487 typedef int (*mpo_check_socket_listen_t)(struct ucred *cred, 488 struct socket *so, struct label *socketlabel); 489 typedef int (*mpo_check_socket_poll_t)(struct ucred *cred, 490 struct socket *so, struct label *socketlabel); 491 typedef int (*mpo_check_socket_receive_t)(struct ucred *cred, 492 struct socket *so, struct label *socketlabel); 493 typedef int (*mpo_check_socket_relabel_t)(struct ucred *cred, 494 struct socket *so, struct label *socketlabel, 495 struct label *newlabel); 496 typedef int (*mpo_check_socket_send_t)(struct ucred *cred, 497 struct socket *so, struct label *socketlabel); 498 typedef int (*mpo_check_socket_stat_t)(struct ucred *cred, 499 struct socket *so, struct label *socketlabel); 500 typedef int (*mpo_check_socket_visible_t)(struct ucred *cred, 501 struct socket *so, struct label *socketlabel); 502 typedef int (*mpo_check_sysarch_ioperm_t)(struct ucred *cred); 503 typedef int (*mpo_check_system_acct_t)(struct ucred *cred, 504 struct vnode *vp, struct label *vlabel); 505 typedef int (*mpo_check_system_nfsd_t)(struct ucred *cred); 506 typedef int (*mpo_check_system_reboot_t)(struct ucred *cred, int howto); 507 typedef int (*mpo_check_system_settime_t)(struct ucred *cred); 508 typedef int (*mpo_check_system_swapon_t)(struct ucred *cred, 509 struct vnode *vp, struct label *label); 510 typedef int (*mpo_check_system_swapoff_t)(struct ucred *cred, 511 struct vnode *vp, struct label *label); 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 *label, int acc_mode); 517 typedef int (*mpo_check_vnode_chdir_t)(struct ucred *cred, 518 struct vnode *dvp, struct label *dlabel); 519 typedef int (*mpo_check_vnode_chroot_t)(struct ucred *cred, 520 struct vnode *dvp, struct label *dlabel); 521 typedef int (*mpo_check_vnode_create_t)(struct ucred *cred, 522 struct vnode *dvp, struct label *dlabel, 523 struct componentname *cnp, struct vattr *vap); 524 typedef int (*mpo_check_vnode_delete_t)(struct ucred *cred, 525 struct vnode *dvp, struct label *dlabel, 526 struct vnode *vp, struct label *label, 527 struct componentname *cnp); 528 typedef int (*mpo_check_vnode_deleteacl_t)(struct ucred *cred, 529 struct vnode *vp, struct label *label, acl_type_t type); 530 typedef int (*mpo_check_vnode_deleteextattr_t)(struct ucred *cred, 531 struct vnode *vp, struct label *label, int attrnamespace, 532 const char *name); 533 typedef int (*mpo_check_vnode_exec_t)(struct ucred *cred, 534 struct vnode *vp, struct label *label, 535 struct image_params *imgp, struct label *execlabel); 536 typedef int (*mpo_check_vnode_getacl_t)(struct ucred *cred, 537 struct vnode *vp, struct label *label, acl_type_t type); 538 typedef int (*mpo_check_vnode_getextattr_t)(struct ucred *cred, 539 struct vnode *vp, struct label *label, int attrnamespace, 540 const char *name, struct uio *uio); 541 typedef int (*mpo_check_vnode_link_t)(struct ucred *cred, 542 struct vnode *dvp, struct label *dlabel, struct vnode *vp, 543 struct label *label, struct componentname *cnp); 544 typedef int (*mpo_check_vnode_listextattr_t)(struct ucred *cred, 545 struct vnode *vp, struct label *label, 546 int attrnamespace); 547 typedef int (*mpo_check_vnode_lookup_t)(struct ucred *cred, 548 struct vnode *dvp, struct label *dlabel, 549 struct componentname *cnp); 550 typedef int (*mpo_check_vnode_mmap_t)(struct ucred *cred, 551 struct vnode *vp, struct label *label, int prot, 552 int flags); 553 typedef void (*mpo_check_vnode_mmap_downgrade_t)(struct ucred *cred, 554 struct vnode *vp, struct label *label, int *prot); 555 typedef int (*mpo_check_vnode_mprotect_t)(struct ucred *cred, 556 struct vnode *vp, struct label *label, int prot); 557 typedef int (*mpo_check_vnode_open_t)(struct ucred *cred, 558 struct vnode *vp, struct label *label, int acc_mode); 559 typedef int (*mpo_check_vnode_poll_t)(struct ucred *active_cred, 560 struct ucred *file_cred, struct vnode *vp, 561 struct label *label); 562 typedef int (*mpo_check_vnode_read_t)(struct ucred *active_cred, 563 struct ucred *file_cred, struct vnode *vp, 564 struct label *label); 565 typedef int (*mpo_check_vnode_readdir_t)(struct ucred *cred, 566 struct vnode *dvp, struct label *dlabel); 567 typedef int (*mpo_check_vnode_readlink_t)(struct ucred *cred, 568 struct vnode *vp, struct label *label); 569 typedef int (*mpo_check_vnode_relabel_t)(struct ucred *cred, 570 struct vnode *vp, struct label *vnodelabel, 571 struct label *newlabel); 572 typedef int (*mpo_check_vnode_rename_from_t)(struct ucred *cred, 573 struct vnode *dvp, struct label *dlabel, 574 struct vnode *vp, struct label *label, 575 struct componentname *cnp); 576 typedef int (*mpo_check_vnode_rename_to_t)(struct ucred *cred, 577 struct vnode *dvp, struct label *dlabel, 578 struct vnode *vp, struct label *label, int samedir, 579 struct componentname *cnp); 580 typedef int (*mpo_check_vnode_revoke_t)(struct ucred *cred, 581 struct vnode *vp, struct label *label); 582 typedef int (*mpo_check_vnode_setacl_t)(struct ucred *cred, 583 struct vnode *vp, struct label *label, acl_type_t type, 584 struct acl *acl); 585 typedef int (*mpo_check_vnode_setextattr_t)(struct ucred *cred, 586 struct vnode *vp, struct label *label, int attrnamespace, 587 const char *name, struct uio *uio); 588 typedef int (*mpo_check_vnode_setflags_t)(struct ucred *cred, 589 struct vnode *vp, struct label *label, u_long flags); 590 typedef int (*mpo_check_vnode_setmode_t)(struct ucred *cred, 591 struct vnode *vp, struct label *label, mode_t mode); 592 typedef int (*mpo_check_vnode_setowner_t)(struct ucred *cred, 593 struct vnode *vp, struct label *label, uid_t uid, 594 gid_t gid); 595 typedef int (*mpo_check_vnode_setutimes_t)(struct ucred *cred, 596 struct vnode *vp, struct label *label, 597 struct timespec atime, struct timespec mtime); 598 typedef int (*mpo_check_vnode_stat_t)(struct ucred *active_cred, 599 struct ucred *file_cred, struct vnode *vp, 600 struct label *label); 601 typedef int (*mpo_check_vnode_write_t)(struct ucred *active_cred, 602 struct ucred *file_cred, struct vnode *vp, 603 struct label *label); 604 typedef void (*mpo_associate_nfsd_label_t)(struct ucred *cred); 605 typedef int (*mpo_priv_check_t)(struct ucred *cred, int priv); 606 typedef int (*mpo_priv_grant_t)(struct ucred *cred, int priv); 607 608 struct mac_policy_ops { 609 /* 610 * Policy module operations. 611 */ 612 mpo_destroy_t mpo_destroy; 613 mpo_init_t mpo_init; 614 615 /* 616 * General policy-directed security system call so that policies may 617 * implement new services without reserving explicit system call 618 * numbers. 619 */ 620 mpo_syscall_t mpo_syscall; 621 622 /* 623 * Label operations. Initialize label storage, destroy label 624 * storage, recycle for re-use without init/destroy, copy a label to 625 * initialized storage, and externalize/internalize from/to 626 * initialized storage. 627 */ 628 mpo_init_bpfdesc_label_t mpo_init_bpfdesc_label; 629 mpo_init_cred_label_t mpo_init_cred_label; 630 mpo_init_devfsdirent_label_t mpo_init_devfsdirent_label; 631 mpo_placeholder_t _mpo_placeholder0; 632 mpo_init_ifnet_label_t mpo_init_ifnet_label; 633 mpo_init_inpcb_label_t mpo_init_inpcb_label; 634 mpo_init_sysv_msgmsg_label_t mpo_init_sysv_msgmsg_label; 635 mpo_init_sysv_msgqueue_label_t mpo_init_sysv_msgqueue_label; 636 mpo_init_sysv_sem_label_t mpo_init_sysv_sem_label; 637 mpo_init_sysv_shm_label_t mpo_init_sysv_shm_label; 638 mpo_init_ipq_label_t mpo_init_ipq_label; 639 mpo_init_mbuf_label_t mpo_init_mbuf_label; 640 mpo_init_mount_label_t mpo_init_mount_label; 641 mpo_init_mount_fs_label_t mpo_init_mount_fs_label; 642 mpo_init_socket_label_t mpo_init_socket_label; 643 mpo_init_socket_peer_label_t mpo_init_socket_peer_label; 644 mpo_init_pipe_label_t mpo_init_pipe_label; 645 mpo_init_posix_sem_label_t mpo_init_posix_sem_label; 646 mpo_init_proc_label_t mpo_init_proc_label; 647 mpo_init_vnode_label_t mpo_init_vnode_label; 648 mpo_destroy_bpfdesc_label_t mpo_destroy_bpfdesc_label; 649 mpo_destroy_cred_label_t mpo_destroy_cred_label; 650 mpo_destroy_devfsdirent_label_t mpo_destroy_devfsdirent_label; 651 mpo_placeholder_t _mpo_placeholder1; 652 mpo_destroy_ifnet_label_t mpo_destroy_ifnet_label; 653 mpo_destroy_inpcb_label_t mpo_destroy_inpcb_label; 654 mpo_destroy_sysv_msgmsg_label_t mpo_destroy_sysv_msgmsg_label; 655 mpo_destroy_sysv_msgqueue_label_t mpo_destroy_sysv_msgqueue_label; 656 mpo_destroy_sysv_sem_label_t mpo_destroy_sysv_sem_label; 657 mpo_destroy_sysv_shm_label_t mpo_destroy_sysv_shm_label; 658 mpo_destroy_ipq_label_t mpo_destroy_ipq_label; 659 mpo_destroy_mbuf_label_t mpo_destroy_mbuf_label; 660 mpo_destroy_mount_label_t mpo_destroy_mount_label; 661 mpo_destroy_mount_fs_label_t mpo_destroy_mount_fs_label; 662 mpo_destroy_socket_label_t mpo_destroy_socket_label; 663 mpo_destroy_socket_peer_label_t mpo_destroy_socket_peer_label; 664 mpo_destroy_pipe_label_t mpo_destroy_pipe_label; 665 mpo_destroy_posix_sem_label_t mpo_destroy_posix_sem_label; 666 mpo_destroy_proc_label_t mpo_destroy_proc_label; 667 mpo_destroy_vnode_label_t mpo_destroy_vnode_label; 668 mpo_cleanup_sysv_msgmsg_t mpo_cleanup_sysv_msgmsg; 669 mpo_cleanup_sysv_msgqueue_t mpo_cleanup_sysv_msgqueue; 670 mpo_cleanup_sysv_sem_t mpo_cleanup_sysv_sem; 671 mpo_cleanup_sysv_shm_t mpo_cleanup_sysv_shm; 672 mpo_copy_cred_label_t mpo_copy_cred_label; 673 mpo_copy_ifnet_label_t mpo_copy_ifnet_label; 674 mpo_copy_mbuf_label_t mpo_copy_mbuf_label; 675 mpo_placeholder_t _mpo_placeholder2; 676 mpo_copy_pipe_label_t mpo_copy_pipe_label; 677 mpo_copy_socket_label_t mpo_copy_socket_label; 678 mpo_copy_vnode_label_t mpo_copy_vnode_label; 679 mpo_externalize_cred_label_t mpo_externalize_cred_label; 680 mpo_externalize_ifnet_label_t mpo_externalize_ifnet_label; 681 mpo_placeholder_t _mpo_placeholder3; 682 mpo_externalize_pipe_label_t mpo_externalize_pipe_label; 683 mpo_externalize_socket_label_t mpo_externalize_socket_label; 684 mpo_externalize_socket_peer_label_t mpo_externalize_socket_peer_label; 685 mpo_externalize_vnode_label_t mpo_externalize_vnode_label; 686 mpo_internalize_cred_label_t mpo_internalize_cred_label; 687 mpo_internalize_ifnet_label_t mpo_internalize_ifnet_label; 688 mpo_placeholder_t _mpo_placeholder4; 689 mpo_internalize_pipe_label_t mpo_internalize_pipe_label; 690 mpo_internalize_socket_label_t mpo_internalize_socket_label; 691 mpo_internalize_vnode_label_t mpo_internalize_vnode_label; 692 693 /* 694 * Labeling event operations: file system objects, and things that 695 * look a lot like file system objects. 696 */ 697 mpo_associate_vnode_devfs_t mpo_associate_vnode_devfs; 698 mpo_associate_vnode_extattr_t mpo_associate_vnode_extattr; 699 mpo_associate_vnode_singlelabel_t mpo_associate_vnode_singlelabel; 700 mpo_create_devfs_device_t mpo_create_devfs_device; 701 mpo_create_devfs_directory_t mpo_create_devfs_directory; 702 mpo_create_devfs_symlink_t mpo_create_devfs_symlink; 703 mpo_placeholder_t _mpo_placeholder5; 704 mpo_create_vnode_extattr_t mpo_create_vnode_extattr; 705 mpo_create_mount_t mpo_create_mount; 706 mpo_relabel_vnode_t mpo_relabel_vnode; 707 mpo_setlabel_vnode_extattr_t mpo_setlabel_vnode_extattr; 708 mpo_update_devfsdirent_t mpo_update_devfsdirent; 709 710 /* 711 * Labeling event operations: IPC objects. 712 */ 713 mpo_create_mbuf_from_socket_t mpo_create_mbuf_from_socket; 714 mpo_create_socket_t mpo_create_socket; 715 mpo_create_socket_from_socket_t mpo_create_socket_from_socket; 716 mpo_relabel_socket_t mpo_relabel_socket; 717 mpo_relabel_pipe_t mpo_relabel_pipe; 718 mpo_set_socket_peer_from_mbuf_t mpo_set_socket_peer_from_mbuf; 719 mpo_set_socket_peer_from_socket_t mpo_set_socket_peer_from_socket; 720 mpo_create_pipe_t mpo_create_pipe; 721 722 /* 723 * Labeling event operations: System V IPC primitives. 724 */ 725 mpo_create_sysv_msgmsg_t mpo_create_sysv_msgmsg; 726 mpo_create_sysv_msgqueue_t mpo_create_sysv_msgqueue; 727 mpo_create_sysv_sem_t mpo_create_sysv_sem; 728 mpo_create_sysv_shm_t mpo_create_sysv_shm; 729 730 /* 731 * Labeling event operations: POSIX (global/inter-process) semaphores. 732 */ 733 mpo_create_posix_sem_t mpo_create_posix_sem; 734 735 /* 736 * Labeling event operations: network objects. 737 */ 738 mpo_create_bpfdesc_t mpo_create_bpfdesc; 739 mpo_create_ifnet_t mpo_create_ifnet; 740 mpo_create_inpcb_from_socket_t mpo_create_inpcb_from_socket; 741 mpo_create_ipq_t mpo_create_ipq; 742 mpo_create_datagram_from_ipq mpo_create_datagram_from_ipq; 743 mpo_create_fragment_t mpo_create_fragment; 744 mpo_create_mbuf_from_inpcb_t mpo_create_mbuf_from_inpcb; 745 mpo_create_mbuf_linklayer_t mpo_create_mbuf_linklayer; 746 mpo_create_mbuf_from_bpfdesc_t mpo_create_mbuf_from_bpfdesc; 747 mpo_create_mbuf_from_ifnet_t mpo_create_mbuf_from_ifnet; 748 mpo_create_mbuf_multicast_encap_t mpo_create_mbuf_multicast_encap; 749 mpo_create_mbuf_netlayer_t mpo_create_mbuf_netlayer; 750 mpo_fragment_match_t mpo_fragment_match; 751 mpo_reflect_mbuf_icmp_t mpo_reflect_mbuf_icmp; 752 mpo_reflect_mbuf_tcp_t mpo_reflect_mbuf_tcp; 753 mpo_relabel_ifnet_t mpo_relabel_ifnet; 754 mpo_update_ipq_t mpo_update_ipq; 755 mpo_inpcb_sosetlabel_t mpo_inpcb_sosetlabel; 756 757 /* 758 * Labeling event operations: processes. 759 */ 760 mpo_execve_transition_t mpo_execve_transition; 761 mpo_execve_will_transition_t mpo_execve_will_transition; 762 mpo_create_proc0_t mpo_create_proc0; 763 mpo_create_proc1_t mpo_create_proc1; 764 mpo_relabel_cred_t mpo_relabel_cred; 765 mpo_placeholder_t _mpo_placeholder6; 766 mpo_thread_userret_t mpo_thread_userret; 767 768 /* 769 * Access control checks. 770 */ 771 mpo_check_bpfdesc_receive_t mpo_check_bpfdesc_receive; 772 mpo_placeholder_t _mpo_placeholder7; 773 mpo_check_cred_relabel_t mpo_check_cred_relabel; 774 mpo_check_cred_visible_t mpo_check_cred_visible; 775 mpo_placeholder_t _mpo_placeholder8; 776 mpo_placeholder_t _mpo_placeholder9; 777 mpo_placeholder_t _mpo_placeholder10; 778 mpo_placeholder_t _mpo_placeholder11; 779 mpo_placeholder_t _mpo_placeholder12; 780 mpo_placeholder_t _mpo_placeholder13; 781 mpo_placeholder_t _mpo_placeholder14; 782 mpo_placeholder_t _mpo_placeholder15; 783 mpo_placeholder_t _mpo_placeholder16; 784 mpo_placeholder_t _mpo_placeholder17; 785 mpo_placeholder_t _mpo_placeholder18; 786 mpo_check_ifnet_relabel_t mpo_check_ifnet_relabel; 787 mpo_check_ifnet_transmit_t mpo_check_ifnet_transmit; 788 mpo_check_inpcb_deliver_t mpo_check_inpcb_deliver; 789 mpo_check_sysv_msgmsq_t mpo_check_sysv_msgmsq; 790 mpo_check_sysv_msgrcv_t mpo_check_sysv_msgrcv; 791 mpo_check_sysv_msgrmid_t mpo_check_sysv_msgrmid; 792 mpo_check_sysv_msqget_t mpo_check_sysv_msqget; 793 mpo_check_sysv_msqsnd_t mpo_check_sysv_msqsnd; 794 mpo_check_sysv_msqrcv_t mpo_check_sysv_msqrcv; 795 mpo_check_sysv_msqctl_t mpo_check_sysv_msqctl; 796 mpo_check_sysv_semctl_t mpo_check_sysv_semctl; 797 mpo_check_sysv_semget_t mpo_check_sysv_semget; 798 mpo_check_sysv_semop_t mpo_check_sysv_semop; 799 mpo_check_sysv_shmat_t mpo_check_sysv_shmat; 800 mpo_check_sysv_shmctl_t mpo_check_sysv_shmctl; 801 mpo_check_sysv_shmdt_t mpo_check_sysv_shmdt; 802 mpo_check_sysv_shmget_t mpo_check_sysv_shmget; 803 mpo_check_kenv_dump_t mpo_check_kenv_dump; 804 mpo_check_kenv_get_t mpo_check_kenv_get; 805 mpo_check_kenv_set_t mpo_check_kenv_set; 806 mpo_check_kenv_unset_t mpo_check_kenv_unset; 807 mpo_check_kld_load_t mpo_check_kld_load; 808 mpo_check_kld_stat_t mpo_check_kld_stat; 809 mpo_check_kld_unload_t mpo_check_kld_unload; 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_setuid_t mpo_check_proc_setuid; 829 mpo_check_proc_seteuid_t mpo_check_proc_seteuid; 830 mpo_check_proc_setgid_t mpo_check_proc_setgid; 831 mpo_check_proc_setegid_t mpo_check_proc_setegid; 832 mpo_check_proc_setgroups_t mpo_check_proc_setgroups; 833 mpo_check_proc_setreuid_t mpo_check_proc_setreuid; 834 mpo_check_proc_setregid_t mpo_check_proc_setregid; 835 mpo_check_proc_setresuid_t mpo_check_proc_setresuid; 836 mpo_check_proc_setresgid_t mpo_check_proc_setresgid; 837 mpo_check_proc_signal_t mpo_check_proc_signal; 838 mpo_check_proc_wait_t mpo_check_proc_wait; 839 mpo_check_socket_accept_t mpo_check_socket_accept; 840 mpo_check_socket_bind_t mpo_check_socket_bind; 841 mpo_check_socket_connect_t mpo_check_socket_connect; 842 mpo_check_socket_create_t mpo_check_socket_create; 843 mpo_check_socket_deliver_t mpo_check_socket_deliver; 844 mpo_placeholder_t _mpo_placeholder22; 845 mpo_check_socket_listen_t mpo_check_socket_listen; 846 mpo_check_socket_poll_t mpo_check_socket_poll; 847 mpo_check_socket_receive_t mpo_check_socket_receive; 848 mpo_check_socket_relabel_t mpo_check_socket_relabel; 849 mpo_check_socket_send_t mpo_check_socket_send; 850 mpo_check_socket_stat_t mpo_check_socket_stat; 851 mpo_check_socket_visible_t mpo_check_socket_visible; 852 mpo_check_sysarch_ioperm_t mpo_check_sysarch_ioperm; 853 mpo_check_system_acct_t mpo_check_system_acct; 854 mpo_check_system_nfsd_t mpo_check_system_nfsd; 855 mpo_check_system_reboot_t mpo_check_system_reboot; 856 mpo_check_system_settime_t mpo_check_system_settime; 857 mpo_check_system_swapon_t mpo_check_system_swapon; 858 mpo_check_system_swapoff_t mpo_check_system_swapoff; 859 mpo_check_system_sysctl_t mpo_check_system_sysctl; 860 mpo_placeholder_t _mpo_placeholder23; 861 mpo_check_vnode_access_t mpo_check_vnode_access; 862 mpo_check_vnode_chdir_t mpo_check_vnode_chdir; 863 mpo_check_vnode_chroot_t mpo_check_vnode_chroot; 864 mpo_check_vnode_create_t mpo_check_vnode_create; 865 mpo_check_vnode_delete_t mpo_check_vnode_delete; 866 mpo_check_vnode_deleteacl_t mpo_check_vnode_deleteacl; 867 mpo_check_vnode_deleteextattr_t mpo_check_vnode_deleteextattr; 868 mpo_check_vnode_exec_t mpo_check_vnode_exec; 869 mpo_check_vnode_getacl_t mpo_check_vnode_getacl; 870 mpo_check_vnode_getextattr_t mpo_check_vnode_getextattr; 871 mpo_placeholder_t _mpo_placeholder24; 872 mpo_check_vnode_link_t mpo_check_vnode_link; 873 mpo_check_vnode_listextattr_t mpo_check_vnode_listextattr; 874 mpo_check_vnode_lookup_t mpo_check_vnode_lookup; 875 mpo_check_vnode_mmap_t mpo_check_vnode_mmap; 876 mpo_check_vnode_mmap_downgrade_t mpo_check_vnode_mmap_downgrade; 877 mpo_check_vnode_mprotect_t mpo_check_vnode_mprotect; 878 mpo_check_vnode_open_t mpo_check_vnode_open; 879 mpo_check_vnode_poll_t mpo_check_vnode_poll; 880 mpo_check_vnode_read_t mpo_check_vnode_read; 881 mpo_check_vnode_readdir_t mpo_check_vnode_readdir; 882 mpo_check_vnode_readlink_t mpo_check_vnode_readlink; 883 mpo_check_vnode_relabel_t mpo_check_vnode_relabel; 884 mpo_check_vnode_rename_from_t mpo_check_vnode_rename_from; 885 mpo_check_vnode_rename_to_t mpo_check_vnode_rename_to; 886 mpo_check_vnode_revoke_t mpo_check_vnode_revoke; 887 mpo_check_vnode_setacl_t mpo_check_vnode_setacl; 888 mpo_check_vnode_setextattr_t mpo_check_vnode_setextattr; 889 mpo_check_vnode_setflags_t mpo_check_vnode_setflags; 890 mpo_check_vnode_setmode_t mpo_check_vnode_setmode; 891 mpo_check_vnode_setowner_t mpo_check_vnode_setowner; 892 mpo_check_vnode_setutimes_t mpo_check_vnode_setutimes; 893 mpo_check_vnode_stat_t mpo_check_vnode_stat; 894 mpo_check_vnode_write_t mpo_check_vnode_write; 895 mpo_associate_nfsd_label_t mpo_associate_nfsd_label; 896 mpo_create_mbuf_from_firewall_t mpo_create_mbuf_from_firewall; 897 mpo_init_syncache_label_t mpo_init_syncache_label; 898 mpo_destroy_syncache_label_t mpo_destroy_syncache_label; 899 mpo_init_syncache_from_inpcb_t mpo_init_syncache_from_inpcb; 900 mpo_create_mbuf_from_syncache_t mpo_create_mbuf_from_syncache; 901 mpo_priv_check_t mpo_priv_check; 902 mpo_priv_grant_t mpo_priv_grant; 903 }; 904 905 /* 906 * struct mac_policy_conf is the registration structure for policies, and is 907 * provided to the MAC Framework using MAC_POLICY_SET() to invoke a SYSINIT 908 * to register the policy. In general, the fields are immutable, with the 909 * exception of the "security field", run-time flags, and policy list entry, 910 * which are managed by the MAC Framework. Be careful when modifying this 911 * structure, as its layout is statically compiled into all policies. 912 */ 913 struct mac_policy_conf { 914 char *mpc_name; /* policy name */ 915 char *mpc_fullname; /* policy full name */ 916 struct mac_policy_ops *mpc_ops; /* policy operations */ 917 int mpc_loadtime_flags; /* flags */ 918 int *mpc_field_off; /* security field */ 919 int mpc_runtime_flags; /* flags */ 920 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */ 921 }; 922 923 /* Flags for the mpc_loadtime_flags field. */ 924 #define MPC_LOADTIME_FLAG_NOTLATE 0x00000001 925 #define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002 926 #define MPC_LOADTIME_FLAG_LABELMBUFS 0x00000004 927 928 /* Flags for the mpc_runtime_flags field. */ 929 #define MPC_RUNTIME_FLAG_REGISTERED 0x00000001 930 931 #define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \ 932 static struct mac_policy_conf mpname##_mac_policy_conf = { \ 933 #mpname, \ 934 mpfullname, \ 935 mpops, \ 936 mpflags, \ 937 privdata_wanted, \ 938 0, \ 939 }; \ 940 static moduledata_t mpname##_mod = { \ 941 #mpname, \ 942 mac_policy_modevent, \ 943 &mpname##_mac_policy_conf \ 944 }; \ 945 MODULE_DEPEND(mpname, kernel_mac_support, 3, 3, 3); \ 946 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \ 947 SI_ORDER_MIDDLE) 948 949 int mac_policy_modevent(module_t mod, int type, void *data); 950 951 /* 952 * Policy interface to map a struct label pointer to per-policy data. 953 * Typically, policies wrap this in their own accessor macro that casts a 954 * void pointer to a policy-specific data type. 955 * 956 * XXXRW: It might be preferable to provide get/set methods via functions to 957 * avoid encoding the struct label layout in compiled modules. 958 */ 959 #define LABEL_TO_SLOT(l, s) (l)->l_perpolicy[s] 960 961 #endif /* !_SYS_MAC_POLICY_H_ */ 962