mac_policy.h revision 168951
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: head/sys/security/mac/mac_policy.h 168951 2007-04-22 15:31:22Z rwatson $ 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 64struct acl; 65struct auditinfo; 66struct bpf_d; 67struct cdev; 68struct componentname; 69struct devfs_dirent; 70struct ifnet; 71struct image_params; 72struct inpcb; 73struct ipq; 74struct ksem; 75struct label; 76struct mac_policy_conf; 77struct mbuf; 78struct mount; 79struct msg; 80struct msqid_kernel; 81struct pipepair; 82struct proc; 83struct sbuf; 84struct semid_kernel; 85struct shmid_kernel; 86struct sockaddr; 87struct socket; 88struct sysctl_oid; 89struct sysctl_req; 90struct thread; 91struct ucred; 92struct uio; 93struct vattr; 94struct vnode; 95 96/* 97 * Policy module operations. 98 */ 99typedef void (*mpo_destroy_t)(struct mac_policy_conf *mpc); 100typedef 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 */ 106typedef int (*mpo_syscall_t)(struct thread *td, int call, void *arg); 107 108/* 109 * Place-holder function pointers for ABI-compatibility purposes. 110 */ 111typedef 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 */ 118typedef void (*mpo_init_bpfdesc_label_t)(struct label *label); 119typedef void (*mpo_init_cred_label_t)(struct label *label); 120typedef void (*mpo_init_devfsdirent_label_t)(struct label *label); 121typedef void (*mpo_init_ifnet_label_t)(struct label *label); 122typedef int (*mpo_init_inpcb_label_t)(struct label *label, int flag); 123typedef void (*mpo_init_sysv_msgmsg_label_t)(struct label *label); 124typedef void (*mpo_init_sysv_msgqueue_label_t)(struct label *label); 125typedef void (*mpo_init_sysv_sem_label_t)(struct label *label); 126typedef void (*mpo_init_sysv_shm_label_t)(struct label *label); 127typedef int (*mpo_init_ipq_label_t)(struct label *label, int flag); 128typedef int (*mpo_init_mbuf_label_t)(struct label *label, int flag); 129typedef void (*mpo_init_mount_label_t)(struct label *label); 130typedef void (*mpo_init_mount_fs_label_t)(struct label *label); 131typedef int (*mpo_init_socket_label_t)(struct label *label, int flag); 132typedef int (*mpo_init_socket_peer_label_t)(struct label *label, 133 int flag); 134typedef void (*mpo_init_pipe_label_t)(struct label *label); 135typedef void (*mpo_init_posix_sem_label_t)(struct label *label); 136typedef void (*mpo_init_proc_label_t)(struct label *label); 137typedef void (*mpo_init_vnode_label_t)(struct label *label); 138typedef void (*mpo_destroy_bpfdesc_label_t)(struct label *label); 139typedef void (*mpo_destroy_cred_label_t)(struct label *label); 140typedef void (*mpo_destroy_devfsdirent_label_t)(struct label *label); 141typedef void (*mpo_destroy_ifnet_label_t)(struct label *label); 142typedef void (*mpo_destroy_inpcb_label_t)(struct label *label); 143typedef void (*mpo_destroy_sysv_msgmsg_label_t)(struct label *label); 144typedef void (*mpo_destroy_sysv_msgqueue_label_t)(struct label *label); 145typedef void (*mpo_destroy_sysv_sem_label_t)(struct label *label); 146typedef void (*mpo_destroy_sysv_shm_label_t)(struct label *label); 147typedef void (*mpo_destroy_ipq_label_t)(struct label *label); 148typedef void (*mpo_destroy_mbuf_label_t)(struct label *label); 149typedef void (*mpo_destroy_mount_label_t)(struct label *label); 150typedef void (*mpo_destroy_mount_fs_label_t)(struct label *label); 151typedef void (*mpo_destroy_socket_label_t)(struct label *label); 152typedef void (*mpo_destroy_socket_peer_label_t)(struct label *label); 153typedef void (*mpo_destroy_pipe_label_t)(struct label *label); 154typedef void (*mpo_destroy_posix_sem_label_t)(struct label *label); 155typedef void (*mpo_destroy_proc_label_t)(struct label *label); 156typedef void (*mpo_destroy_vnode_label_t)(struct label *label); 157typedef void (*mpo_cleanup_sysv_msgmsg_t)(struct label *msglabel); 158typedef void (*mpo_cleanup_sysv_msgqueue_t)(struct label *msqlabel); 159typedef void (*mpo_cleanup_sysv_sem_t)(struct label *semalabel); 160typedef void (*mpo_cleanup_sysv_shm_t)(struct label *shmlabel); 161typedef void (*mpo_copy_cred_label_t)(struct label *src, 162 struct label *dest); 163typedef void (*mpo_copy_ifnet_label_t)(struct label *src, 164 struct label *dest); 165typedef void (*mpo_copy_mbuf_label_t)(struct label *src, 166 struct label *dest); 167typedef void (*mpo_copy_pipe_label_t)(struct label *src, 168 struct label *dest); 169typedef void (*mpo_copy_socket_label_t)(struct label *src, 170 struct label *dest); 171typedef void (*mpo_copy_vnode_label_t)(struct label *src, 172 struct label *dest); 173typedef int (*mpo_externalize_cred_label_t)(struct label *label, 174 char *element_name, struct sbuf *sb, int *claimed); 175typedef int (*mpo_externalize_ifnet_label_t)(struct label *label, 176 char *element_name, struct sbuf *sb, int *claimed); 177typedef int (*mpo_externalize_pipe_label_t)(struct label *label, 178 char *element_name, struct sbuf *sb, int *claimed); 179typedef int (*mpo_externalize_socket_label_t)(struct label *label, 180 char *element_name, struct sbuf *sb, int *claimed); 181typedef int (*mpo_externalize_socket_peer_label_t)(struct label *label, 182 char *element_name, struct sbuf *sb, int *claimed); 183typedef int (*mpo_externalize_vnode_label_t)(struct label *label, 184 char *element_name, struct sbuf *sb, int *claimed); 185typedef int (*mpo_internalize_cred_label_t)(struct label *label, 186 char *element_name, char *element_data, int *claimed); 187typedef int (*mpo_internalize_ifnet_label_t)(struct label *label, 188 char *element_name, char *element_data, int *claimed); 189typedef int (*mpo_internalize_pipe_label_t)(struct label *label, 190 char *element_name, char *element_data, int *claimed); 191typedef int (*mpo_internalize_socket_label_t)(struct label *label, 192 char *element_name, char *element_data, int *claimed); 193typedef int (*mpo_internalize_vnode_label_t)(struct label *label, 194 char *element_name, char *element_data, int *claimed); 195 196/* 197 * Labeling event operations: file system objects, and things that look a lot 198 * like file system objects. 199 */ 200typedef void (*mpo_associate_vnode_devfs_t)(struct mount *mp, 201 struct label *fslabel, struct devfs_dirent *de, 202 struct label *delabel, struct vnode *vp, 203 struct label *vlabel); 204typedef int (*mpo_associate_vnode_extattr_t)(struct mount *mp, 205 struct label *fslabel, struct vnode *vp, 206 struct label *vlabel); 207typedef void (*mpo_associate_vnode_singlelabel_t)(struct mount *mp, 208 struct label *fslabel, struct vnode *vp, 209 struct label *vlabel); 210typedef void (*mpo_create_devfs_device_t)(struct ucred *cred, 211 struct mount *mp, struct cdev *dev, 212 struct devfs_dirent *de, struct label *label); 213typedef void (*mpo_create_devfs_directory_t)(struct mount *mp, 214 char *dirname, int dirnamelen, struct devfs_dirent *de, 215 struct label *label); 216typedef void (*mpo_create_devfs_symlink_t)(struct ucred *cred, 217 struct mount *mp, struct devfs_dirent *dd, 218 struct label *ddlabel, struct devfs_dirent *de, 219 struct label *delabel); 220typedef int (*mpo_create_vnode_extattr_t)(struct ucred *cred, 221 struct mount *mp, struct label *fslabel, 222 struct vnode *dvp, struct label *dlabel, 223 struct vnode *vp, struct label *vlabel, 224 struct componentname *cnp); 225typedef void (*mpo_create_mount_t)(struct ucred *cred, struct mount *mp, 226 struct label *mntlabel, struct label *fslabel); 227typedef void (*mpo_relabel_vnode_t)(struct ucred *cred, struct vnode *vp, 228 struct label *vnodelabel, struct label *label); 229typedef int (*mpo_setlabel_vnode_extattr_t)(struct ucred *cred, 230 struct vnode *vp, struct label *vlabel, 231 struct label *intlabel); 232typedef void (*mpo_update_devfsdirent_t)(struct mount *mp, 233 struct devfs_dirent *devfs_dirent, 234 struct label *direntlabel, struct vnode *vp, 235 struct label *vnodelabel); 236 237/* 238 * Labeling event operations: IPC objects. 239 */ 240typedef void (*mpo_create_mbuf_from_socket_t)(struct socket *so, 241 struct label *socketlabel, struct mbuf *m, 242 struct label *mbuflabel); 243typedef void (*mpo_create_socket_t)(struct ucred *cred, struct socket *so, 244 struct label *socketlabel); 245typedef void (*mpo_create_socket_from_socket_t)(struct socket *oldsocket, 246 struct label *oldsocketlabel, struct socket *newsocket, 247 struct label *newsocketlabel); 248typedef void (*mpo_relabel_socket_t)(struct ucred *cred, struct socket *so, 249 struct label *oldlabel, struct label *newlabel); 250typedef void (*mpo_relabel_pipe_t)(struct ucred *cred, struct pipepair *pp, 251 struct label *oldlabel, struct label *newlabel); 252typedef void (*mpo_set_socket_peer_from_mbuf_t)(struct mbuf *mbuf, 253 struct label *mbuflabel, struct socket *so, 254 struct label *socketpeerlabel); 255typedef void (*mpo_set_socket_peer_from_socket_t)(struct socket *oldsocket, 256 struct label *oldsocketlabel, struct socket *newsocket, 257 struct label *newsocketpeerlabel); 258typedef void (*mpo_create_pipe_t)(struct ucred *cred, struct pipepair *pp, 259 struct label *pipelabel); 260 261/* 262 * Labeling event operations: System V IPC primitives. 263 */ 264typedef void (*mpo_create_sysv_msgmsg_t)(struct ucred *cred, 265 struct msqid_kernel *msqkptr, struct label *msqlabel, 266 struct msg *msgptr, struct label *msglabel); 267typedef void (*mpo_create_sysv_msgqueue_t)(struct ucred *cred, 268 struct msqid_kernel *msqkptr, struct label *msqlabel); 269typedef void (*mpo_create_sysv_sem_t)(struct ucred *cred, 270 struct semid_kernel *semakptr, struct label *semalabel); 271typedef void (*mpo_create_sysv_shm_t)(struct ucred *cred, 272 struct shmid_kernel *shmsegptr, struct label *shmlabel); 273 274/* 275 * Labeling event operations: POSIX (global/inter-process) semaphores. 276 */ 277typedef void (*mpo_create_posix_sem_t)(struct ucred *cred, 278 struct ksem *ksemptr, struct label *ks_label); 279 280/* 281 * Labeling event operations: network objects. 282 */ 283typedef void (*mpo_create_bpfdesc_t)(struct ucred *cred, 284 struct bpf_d *bpf_d, struct label *bpflabel); 285typedef void (*mpo_create_ifnet_t)(struct ifnet *ifnet, 286 struct label *ifnetlabel); 287typedef void (*mpo_create_inpcb_from_socket_t)(struct socket *so, 288 struct label *solabel, struct inpcb *inp, 289 struct label *inplabel); 290typedef void (*mpo_create_ipq_t)(struct mbuf *fragment, 291 struct label *fragmentlabel, struct ipq *ipq, 292 struct label *ipqlabel); 293typedef void (*mpo_create_datagram_from_ipq) 294 (struct ipq *ipq, struct label *ipqlabel, 295 struct mbuf *datagram, struct label *datagramlabel); 296typedef void (*mpo_create_fragment_t)(struct mbuf *datagram, 297 struct label *datagramlabel, struct mbuf *fragment, 298 struct label *fragmentlabel); 299typedef void (*mpo_create_mbuf_from_inpcb_t)(struct inpcb *inp, 300 struct label *inplabel, struct mbuf *m, 301 struct label *mlabel); 302typedef void (*mpo_create_mbuf_linklayer_t)(struct ifnet *ifnet, 303 struct label *ifnetlabel, struct mbuf *mbuf, 304 struct label *mbuflabel); 305typedef void (*mpo_create_mbuf_from_bpfdesc_t)(struct bpf_d *bpf_d, 306 struct label *bpflabel, struct mbuf *mbuf, 307 struct label *mbuflabel); 308typedef void (*mpo_create_mbuf_from_ifnet_t)(struct ifnet *ifnet, 309 struct label *ifnetlabel, struct mbuf *mbuf, 310 struct label *mbuflabel); 311typedef void (*mpo_create_mbuf_multicast_encap_t)(struct mbuf *oldmbuf, 312 struct label *oldmbuflabel, struct ifnet *ifnet, 313 struct label *ifnetlabel, struct mbuf *newmbuf, 314 struct label *newmbuflabel); 315typedef void (*mpo_create_mbuf_netlayer_t)(struct mbuf *oldmbuf, 316 struct label *oldmbuflabel, struct mbuf *newmbuf, 317 struct label *newmbuflabel); 318typedef int (*mpo_fragment_match_t)(struct mbuf *fragment, 319 struct label *fragmentlabel, struct ipq *ipq, 320 struct label *ipqlabel); 321typedef void (*mpo_reflect_mbuf_icmp_t)(struct mbuf *m, 322 struct label *mlabel); 323typedef void (*mpo_reflect_mbuf_tcp_t)(struct mbuf *m, 324 struct label *mlabel); 325typedef void (*mpo_relabel_ifnet_t)(struct ucred *cred, 326 struct ifnet *ifnet, struct label *ifnetlabel, 327 struct label *newlabel); 328typedef void (*mpo_update_ipq_t)(struct mbuf *fragment, 329 struct label *fragmentlabel, struct ipq *ipq, 330 struct label *ipqlabel); 331typedef void (*mpo_inpcb_sosetlabel_t)(struct socket *so, 332 struct label *label, struct inpcb *inp, 333 struct label *inplabel); 334 335typedef void (*mpo_create_mbuf_from_firewall_t)(struct mbuf *m, 336 struct label *label); 337typedef void (*mpo_destroy_syncache_label_t)(struct label *label); 338typedef int (*mpo_init_syncache_label_t)(struct label *label, int flag); 339typedef void (*mpo_init_syncache_from_inpcb_t)(struct label *label, 340 struct inpcb *inp); 341typedef void (*mpo_create_mbuf_from_syncache_t)(struct label *sc_label, 342 struct mbuf *m, struct label *mbuf_label); 343/* 344 * Labeling event operations: processes. 345 */ 346typedef void (*mpo_execve_transition_t)(struct ucred *old, 347 struct ucred *new, struct vnode *vp, 348 struct label *vnodelabel, struct label *interpvnodelabel, 349 struct image_params *imgp, struct label *execlabel); 350typedef int (*mpo_execve_will_transition_t)(struct ucred *old, 351 struct vnode *vp, struct label *vnodelabel, 352 struct label *interpvnodelabel, 353 struct image_params *imgp, struct label *execlabel); 354typedef void (*mpo_create_proc0_t)(struct ucred *cred); 355typedef void (*mpo_create_proc1_t)(struct ucred *cred); 356typedef void (*mpo_relabel_cred_t)(struct ucred *cred, 357 struct label *newlabel); 358typedef void (*mpo_thread_userret_t)(struct thread *thread); 359 360/* 361 * Access control checks. 362 */ 363typedef int (*mpo_check_bpfdesc_receive_t)(struct bpf_d *bpf_d, 364 struct label *bpflabel, struct ifnet *ifnet, 365 struct label *ifnetlabel); 366typedef int (*mpo_check_cred_relabel_t)(struct ucred *cred, 367 struct label *newlabel); 368typedef int (*mpo_check_cred_visible_t)(struct ucred *u1, 369 struct ucred *u2); 370typedef int (*mpo_check_ifnet_relabel_t)(struct ucred *cred, 371 struct ifnet *ifnet, struct label *ifnetlabel, 372 struct label *newlabel); 373typedef int (*mpo_check_ifnet_transmit_t)(struct ifnet *ifnet, 374 struct label *ifnetlabel, struct mbuf *m, 375 struct label *mbuflabel); 376typedef int (*mpo_check_inpcb_deliver_t)(struct inpcb *inp, 377 struct label *inplabel, struct mbuf *m, 378 struct label *mlabel); 379typedef int (*mpo_check_sysv_msgmsq_t)(struct ucred *cred, 380 struct msg *msgptr, struct label *msglabel, 381 struct msqid_kernel *msqkptr, struct label *msqklabel); 382typedef int (*mpo_check_sysv_msgrcv_t)(struct ucred *cred, 383 struct msg *msgptr, struct label *msglabel); 384typedef int (*mpo_check_sysv_msgrmid_t)(struct ucred *cred, 385 struct msg *msgptr, struct label *msglabel); 386typedef int (*mpo_check_sysv_msqget_t)(struct ucred *cred, 387 struct msqid_kernel *msqkptr, struct label *msqklabel); 388typedef int (*mpo_check_sysv_msqsnd_t)(struct ucred *cred, 389 struct msqid_kernel *msqkptr, struct label *msqklabel); 390typedef int (*mpo_check_sysv_msqrcv_t)(struct ucred *cred, 391 struct msqid_kernel *msqkptr, struct label *msqklabel); 392typedef int (*mpo_check_sysv_msqctl_t)(struct ucred *cred, 393 struct msqid_kernel *msqkptr, struct label *msqklabel, 394 int cmd); 395typedef int (*mpo_check_sysv_semctl_t)(struct ucred *cred, 396 struct semid_kernel *semakptr, struct label *semaklabel, 397 int cmd); 398typedef int (*mpo_check_sysv_semget_t)(struct ucred *cred, 399 struct semid_kernel *semakptr, struct label *semaklabel); 400typedef int (*mpo_check_sysv_semop_t)(struct ucred *cred, 401 struct semid_kernel *semakptr, struct label *semaklabel, 402 size_t accesstype); 403typedef int (*mpo_check_sysv_shmat_t)(struct ucred *cred, 404 struct shmid_kernel *shmsegptr, 405 struct label *shmseglabel, int shmflg); 406typedef int (*mpo_check_sysv_shmctl_t)(struct ucred *cred, 407 struct shmid_kernel *shmsegptr, 408 struct label *shmseglabel, int cmd); 409typedef int (*mpo_check_sysv_shmdt_t)(struct ucred *cred, 410 struct shmid_kernel *shmsegptr, 411 struct label *shmseglabel); 412typedef int (*mpo_check_sysv_shmget_t)(struct ucred *cred, 413 struct shmid_kernel *shmsegptr, 414 struct label *shmseglabel, int shmflg); 415typedef int (*mpo_check_kenv_dump_t)(struct ucred *cred); 416typedef int (*mpo_check_kenv_get_t)(struct ucred *cred, char *name); 417typedef int (*mpo_check_kenv_set_t)(struct ucred *cred, char *name, 418 char *value); 419typedef int (*mpo_check_kenv_unset_t)(struct ucred *cred, char *name); 420typedef int (*mpo_check_kld_load_t)(struct ucred *cred, struct vnode *vp, 421 struct label *vlabel); 422typedef int (*mpo_check_kld_stat_t)(struct ucred *cred); 423typedef int (*mpo_mpo_placeholder19_t)(void); 424typedef int (*mpo_mpo_placeholder20_t)(void); 425typedef int (*mpo_check_mount_stat_t)(struct ucred *cred, 426 struct mount *mp, struct label *mntlabel); 427typedef int (*mpo_mpo_placeholder21_t)(void); 428typedef int (*mpo_check_pipe_ioctl_t)(struct ucred *cred, 429 struct pipepair *pp, struct label *pipelabel, 430 unsigned long cmd, void *data); 431typedef int (*mpo_check_pipe_poll_t)(struct ucred *cred, 432 struct pipepair *pp, struct label *pipelabel); 433typedef int (*mpo_check_pipe_read_t)(struct ucred *cred, 434 struct pipepair *pp, struct label *pipelabel); 435typedef int (*mpo_check_pipe_relabel_t)(struct ucred *cred, 436 struct pipepair *pp, struct label *pipelabel, 437 struct label *newlabel); 438typedef int (*mpo_check_pipe_stat_t)(struct ucred *cred, 439 struct pipepair *pp, struct label *pipelabel); 440typedef int (*mpo_check_pipe_write_t)(struct ucred *cred, 441 struct pipepair *pp, struct label *pipelabel); 442typedef int (*mpo_check_posix_sem_destroy_t)(struct ucred *cred, 443 struct ksem *ksemptr, struct label *ks_label); 444typedef int (*mpo_check_posix_sem_getvalue_t)(struct ucred *cred, 445 struct ksem *ksemptr, struct label *ks_label); 446typedef int (*mpo_check_posix_sem_open_t)(struct ucred *cred, 447 struct ksem *ksemptr, struct label *ks_label); 448typedef int (*mpo_check_posix_sem_post_t)(struct ucred *cred, 449 struct ksem *ksemptr, struct label *ks_label); 450typedef int (*mpo_check_posix_sem_unlink_t)(struct ucred *cred, 451 struct ksem *ksemptr, struct label *ks_label); 452typedef int (*mpo_check_posix_sem_wait_t)(struct ucred *cred, 453 struct ksem *ksemptr, struct label *ks_label); 454typedef int (*mpo_check_proc_debug_t)(struct ucred *cred, 455 struct proc *proc); 456typedef int (*mpo_check_proc_sched_t)(struct ucred *cred, 457 struct proc *proc); 458typedef int (*mpo_check_proc_setaudit_t)(struct ucred *cred, 459 struct auditinfo *ai); 460typedef int (*mpo_check_proc_setauid_t)(struct ucred *cred, uid_t auid); 461typedef int (*mpo_check_proc_setuid_t)(struct ucred *cred, uid_t uid); 462typedef int (*mpo_check_proc_seteuid_t)(struct ucred *cred, uid_t euid); 463typedef int (*mpo_check_proc_setgid_t)(struct ucred *cred, gid_t gid); 464typedef int (*mpo_check_proc_setegid_t)(struct ucred *cred, gid_t egid); 465typedef int (*mpo_check_proc_setgroups_t)(struct ucred *cred, int ngroups, 466 gid_t *gidset); 467typedef int (*mpo_check_proc_setreuid_t)(struct ucred *cred, uid_t ruid, 468 uid_t euid); 469typedef int (*mpo_check_proc_setregid_t)(struct ucred *cred, gid_t rgid, 470 gid_t egid); 471typedef int (*mpo_check_proc_setresuid_t)(struct ucred *cred, uid_t ruid, 472 uid_t euid, uid_t suid); 473typedef int (*mpo_check_proc_setresgid_t)(struct ucred *cred, gid_t rgid, 474 gid_t egid, gid_t sgid); 475typedef int (*mpo_check_proc_signal_t)(struct ucred *cred, 476 struct proc *proc, int signum); 477typedef int (*mpo_check_proc_wait_t)(struct ucred *cred, 478 struct proc *proc); 479typedef int (*mpo_check_socket_accept_t)(struct ucred *cred, 480 struct socket *so, struct label *socketlabel); 481typedef int (*mpo_check_socket_bind_t)(struct ucred *cred, 482 struct socket *so, struct label *socketlabel, 483 struct sockaddr *sockaddr); 484typedef int (*mpo_check_socket_connect_t)(struct ucred *cred, 485 struct socket *so, struct label *socketlabel, 486 struct sockaddr *sockaddr); 487typedef int (*mpo_check_socket_create_t)(struct ucred *cred, int domain, 488 int type, int protocol); 489typedef int (*mpo_check_socket_deliver_t)(struct socket *so, 490 struct label *socketlabel, struct mbuf *m, 491 struct label *mbuflabel); 492typedef int (*mpo_check_socket_listen_t)(struct ucred *cred, 493 struct socket *so, struct label *socketlabel); 494typedef int (*mpo_check_socket_poll_t)(struct ucred *cred, 495 struct socket *so, struct label *socketlabel); 496typedef int (*mpo_check_socket_receive_t)(struct ucred *cred, 497 struct socket *so, struct label *socketlabel); 498typedef int (*mpo_check_socket_relabel_t)(struct ucred *cred, 499 struct socket *so, struct label *socketlabel, 500 struct label *newlabel); 501typedef int (*mpo_check_socket_send_t)(struct ucred *cred, 502 struct socket *so, struct label *socketlabel); 503typedef int (*mpo_check_socket_stat_t)(struct ucred *cred, 504 struct socket *so, struct label *socketlabel); 505typedef int (*mpo_check_socket_visible_t)(struct ucred *cred, 506 struct socket *so, struct label *socketlabel); 507typedef int (*mpo_check_system_acct_t)(struct ucred *cred, 508 struct vnode *vp, struct label *vlabel); 509typedef int (*mpo_check_system_audit_t)(struct ucred *cred, void *record, 510 int length); 511typedef int (*mpo_check_system_auditctl_t)(struct ucred *cred, 512 struct vnode *vp, struct label *vplabel); 513typedef int (*mpo_check_system_auditon_t)(struct ucred *cred, int cmd); 514typedef int (*mpo_check_system_reboot_t)(struct ucred *cred, int howto); 515typedef int (*mpo_check_system_swapon_t)(struct ucred *cred, 516 struct vnode *vp, struct label *label); 517typedef int (*mpo_check_system_swapoff_t)(struct ucred *cred, 518 struct vnode *vp, struct label *label); 519typedef int (*mpo_check_system_sysctl_t)(struct ucred *cred, 520 struct sysctl_oid *oidp, void *arg1, int arg2, 521 struct sysctl_req *req); 522typedef int (*mpo_check_vnode_access_t)(struct ucred *cred, 523 struct vnode *vp, struct label *label, int acc_mode); 524typedef int (*mpo_check_vnode_chdir_t)(struct ucred *cred, 525 struct vnode *dvp, struct label *dlabel); 526typedef int (*mpo_check_vnode_chroot_t)(struct ucred *cred, 527 struct vnode *dvp, struct label *dlabel); 528typedef int (*mpo_check_vnode_create_t)(struct ucred *cred, 529 struct vnode *dvp, struct label *dlabel, 530 struct componentname *cnp, struct vattr *vap); 531typedef int (*mpo_check_vnode_delete_t)(struct ucred *cred, 532 struct vnode *dvp, struct label *dlabel, 533 struct vnode *vp, struct label *label, 534 struct componentname *cnp); 535typedef int (*mpo_check_vnode_deleteacl_t)(struct ucred *cred, 536 struct vnode *vp, struct label *label, acl_type_t type); 537typedef int (*mpo_check_vnode_deleteextattr_t)(struct ucred *cred, 538 struct vnode *vp, struct label *label, int attrnamespace, 539 const char *name); 540typedef int (*mpo_check_vnode_exec_t)(struct ucred *cred, 541 struct vnode *vp, struct label *label, 542 struct image_params *imgp, struct label *execlabel); 543typedef int (*mpo_check_vnode_getacl_t)(struct ucred *cred, 544 struct vnode *vp, struct label *label, acl_type_t type); 545typedef int (*mpo_check_vnode_getextattr_t)(struct ucred *cred, 546 struct vnode *vp, struct label *label, int attrnamespace, 547 const char *name, struct uio *uio); 548typedef int (*mpo_check_vnode_link_t)(struct ucred *cred, 549 struct vnode *dvp, struct label *dlabel, struct vnode *vp, 550 struct label *label, struct componentname *cnp); 551typedef int (*mpo_check_vnode_listextattr_t)(struct ucred *cred, 552 struct vnode *vp, struct label *label, 553 int attrnamespace); 554typedef int (*mpo_check_vnode_lookup_t)(struct ucred *cred, 555 struct vnode *dvp, struct label *dlabel, 556 struct componentname *cnp); 557typedef int (*mpo_check_vnode_mmap_t)(struct ucred *cred, 558 struct vnode *vp, struct label *label, int prot, 559 int flags); 560typedef void (*mpo_check_vnode_mmap_downgrade_t)(struct ucred *cred, 561 struct vnode *vp, struct label *label, int *prot); 562typedef int (*mpo_check_vnode_mprotect_t)(struct ucred *cred, 563 struct vnode *vp, struct label *label, int prot); 564typedef int (*mpo_check_vnode_open_t)(struct ucred *cred, 565 struct vnode *vp, struct label *label, int acc_mode); 566typedef int (*mpo_check_vnode_poll_t)(struct ucred *active_cred, 567 struct ucred *file_cred, struct vnode *vp, 568 struct label *label); 569typedef int (*mpo_check_vnode_read_t)(struct ucred *active_cred, 570 struct ucred *file_cred, struct vnode *vp, 571 struct label *label); 572typedef int (*mpo_check_vnode_readdir_t)(struct ucred *cred, 573 struct vnode *dvp, struct label *dlabel); 574typedef int (*mpo_check_vnode_readlink_t)(struct ucred *cred, 575 struct vnode *vp, struct label *label); 576typedef int (*mpo_check_vnode_relabel_t)(struct ucred *cred, 577 struct vnode *vp, struct label *vnodelabel, 578 struct label *newlabel); 579typedef int (*mpo_check_vnode_rename_from_t)(struct ucred *cred, 580 struct vnode *dvp, struct label *dlabel, 581 struct vnode *vp, struct label *label, 582 struct componentname *cnp); 583typedef int (*mpo_check_vnode_rename_to_t)(struct ucred *cred, 584 struct vnode *dvp, struct label *dlabel, 585 struct vnode *vp, struct label *label, int samedir, 586 struct componentname *cnp); 587typedef int (*mpo_check_vnode_revoke_t)(struct ucred *cred, 588 struct vnode *vp, struct label *label); 589typedef int (*mpo_check_vnode_setacl_t)(struct ucred *cred, 590 struct vnode *vp, struct label *label, acl_type_t type, 591 struct acl *acl); 592typedef int (*mpo_check_vnode_setextattr_t)(struct ucred *cred, 593 struct vnode *vp, struct label *label, int attrnamespace, 594 const char *name, struct uio *uio); 595typedef int (*mpo_check_vnode_setflags_t)(struct ucred *cred, 596 struct vnode *vp, struct label *label, u_long flags); 597typedef int (*mpo_check_vnode_setmode_t)(struct ucred *cred, 598 struct vnode *vp, struct label *label, mode_t mode); 599typedef int (*mpo_check_vnode_setowner_t)(struct ucred *cred, 600 struct vnode *vp, struct label *label, uid_t uid, 601 gid_t gid); 602typedef int (*mpo_check_vnode_setutimes_t)(struct ucred *cred, 603 struct vnode *vp, struct label *label, 604 struct timespec atime, struct timespec mtime); 605typedef int (*mpo_check_vnode_stat_t)(struct ucred *active_cred, 606 struct ucred *file_cred, struct vnode *vp, 607 struct label *label); 608typedef int (*mpo_check_vnode_write_t)(struct ucred *active_cred, 609 struct ucred *file_cred, struct vnode *vp, 610 struct label *label); 611typedef void (*mpo_associate_nfsd_label_t)(struct ucred *cred); 612typedef int (*mpo_priv_check_t)(struct ucred *cred, int priv); 613typedef int (*mpo_priv_grant_t)(struct ucred *cred, int priv); 614 615struct mac_policy_ops { 616 /* 617 * Policy module operations. 618 */ 619 mpo_destroy_t mpo_destroy; 620 mpo_init_t mpo_init; 621 622 /* 623 * General policy-directed security system call so that policies may 624 * implement new services without reserving explicit system call 625 * numbers. 626 */ 627 mpo_syscall_t mpo_syscall; 628 629 /* 630 * Label operations. Initialize label storage, destroy label 631 * storage, recycle for re-use without init/destroy, copy a label to 632 * initialized storage, and externalize/internalize from/to 633 * initialized storage. 634 */ 635 mpo_init_bpfdesc_label_t mpo_init_bpfdesc_label; 636 mpo_init_cred_label_t mpo_init_cred_label; 637 mpo_init_devfsdirent_label_t mpo_init_devfsdirent_label; 638 mpo_placeholder_t _mpo_placeholder0; 639 mpo_init_ifnet_label_t mpo_init_ifnet_label; 640 mpo_init_inpcb_label_t mpo_init_inpcb_label; 641 mpo_init_sysv_msgmsg_label_t mpo_init_sysv_msgmsg_label; 642 mpo_init_sysv_msgqueue_label_t mpo_init_sysv_msgqueue_label; 643 mpo_init_sysv_sem_label_t mpo_init_sysv_sem_label; 644 mpo_init_sysv_shm_label_t mpo_init_sysv_shm_label; 645 mpo_init_ipq_label_t mpo_init_ipq_label; 646 mpo_init_mbuf_label_t mpo_init_mbuf_label; 647 mpo_init_mount_label_t mpo_init_mount_label; 648 mpo_init_mount_fs_label_t mpo_init_mount_fs_label; 649 mpo_init_socket_label_t mpo_init_socket_label; 650 mpo_init_socket_peer_label_t mpo_init_socket_peer_label; 651 mpo_init_pipe_label_t mpo_init_pipe_label; 652 mpo_init_posix_sem_label_t mpo_init_posix_sem_label; 653 mpo_init_proc_label_t mpo_init_proc_label; 654 mpo_init_vnode_label_t mpo_init_vnode_label; 655 mpo_destroy_bpfdesc_label_t mpo_destroy_bpfdesc_label; 656 mpo_destroy_cred_label_t mpo_destroy_cred_label; 657 mpo_destroy_devfsdirent_label_t mpo_destroy_devfsdirent_label; 658 mpo_placeholder_t _mpo_placeholder1; 659 mpo_destroy_ifnet_label_t mpo_destroy_ifnet_label; 660 mpo_destroy_inpcb_label_t mpo_destroy_inpcb_label; 661 mpo_destroy_sysv_msgmsg_label_t mpo_destroy_sysv_msgmsg_label; 662 mpo_destroy_sysv_msgqueue_label_t mpo_destroy_sysv_msgqueue_label; 663 mpo_destroy_sysv_sem_label_t mpo_destroy_sysv_sem_label; 664 mpo_destroy_sysv_shm_label_t mpo_destroy_sysv_shm_label; 665 mpo_destroy_ipq_label_t mpo_destroy_ipq_label; 666 mpo_destroy_mbuf_label_t mpo_destroy_mbuf_label; 667 mpo_destroy_mount_label_t mpo_destroy_mount_label; 668 mpo_destroy_mount_fs_label_t mpo_destroy_mount_fs_label; 669 mpo_destroy_socket_label_t mpo_destroy_socket_label; 670 mpo_destroy_socket_peer_label_t mpo_destroy_socket_peer_label; 671 mpo_destroy_pipe_label_t mpo_destroy_pipe_label; 672 mpo_destroy_posix_sem_label_t mpo_destroy_posix_sem_label; 673 mpo_destroy_proc_label_t mpo_destroy_proc_label; 674 mpo_destroy_vnode_label_t mpo_destroy_vnode_label; 675 mpo_cleanup_sysv_msgmsg_t mpo_cleanup_sysv_msgmsg; 676 mpo_cleanup_sysv_msgqueue_t mpo_cleanup_sysv_msgqueue; 677 mpo_cleanup_sysv_sem_t mpo_cleanup_sysv_sem; 678 mpo_cleanup_sysv_shm_t mpo_cleanup_sysv_shm; 679 mpo_copy_cred_label_t mpo_copy_cred_label; 680 mpo_copy_ifnet_label_t mpo_copy_ifnet_label; 681 mpo_copy_mbuf_label_t mpo_copy_mbuf_label; 682 mpo_placeholder_t _mpo_placeholder2; 683 mpo_copy_pipe_label_t mpo_copy_pipe_label; 684 mpo_copy_socket_label_t mpo_copy_socket_label; 685 mpo_copy_vnode_label_t mpo_copy_vnode_label; 686 mpo_externalize_cred_label_t mpo_externalize_cred_label; 687 mpo_externalize_ifnet_label_t mpo_externalize_ifnet_label; 688 mpo_placeholder_t _mpo_placeholder3; 689 mpo_externalize_pipe_label_t mpo_externalize_pipe_label; 690 mpo_externalize_socket_label_t mpo_externalize_socket_label; 691 mpo_externalize_socket_peer_label_t mpo_externalize_socket_peer_label; 692 mpo_externalize_vnode_label_t mpo_externalize_vnode_label; 693 mpo_internalize_cred_label_t mpo_internalize_cred_label; 694 mpo_internalize_ifnet_label_t mpo_internalize_ifnet_label; 695 mpo_placeholder_t _mpo_placeholder4; 696 mpo_internalize_pipe_label_t mpo_internalize_pipe_label; 697 mpo_internalize_socket_label_t mpo_internalize_socket_label; 698 mpo_internalize_vnode_label_t mpo_internalize_vnode_label; 699 700 /* 701 * Labeling event operations: file system objects, and things that 702 * look a lot like file system objects. 703 */ 704 mpo_associate_vnode_devfs_t mpo_associate_vnode_devfs; 705 mpo_associate_vnode_extattr_t mpo_associate_vnode_extattr; 706 mpo_associate_vnode_singlelabel_t mpo_associate_vnode_singlelabel; 707 mpo_create_devfs_device_t mpo_create_devfs_device; 708 mpo_create_devfs_directory_t mpo_create_devfs_directory; 709 mpo_create_devfs_symlink_t mpo_create_devfs_symlink; 710 mpo_placeholder_t _mpo_placeholder5; 711 mpo_create_vnode_extattr_t mpo_create_vnode_extattr; 712 mpo_create_mount_t mpo_create_mount; 713 mpo_relabel_vnode_t mpo_relabel_vnode; 714 mpo_setlabel_vnode_extattr_t mpo_setlabel_vnode_extattr; 715 mpo_update_devfsdirent_t mpo_update_devfsdirent; 716 717 /* 718 * Labeling event operations: IPC objects. 719 */ 720 mpo_create_mbuf_from_socket_t mpo_create_mbuf_from_socket; 721 mpo_create_socket_t mpo_create_socket; 722 mpo_create_socket_from_socket_t mpo_create_socket_from_socket; 723 mpo_relabel_socket_t mpo_relabel_socket; 724 mpo_relabel_pipe_t mpo_relabel_pipe; 725 mpo_set_socket_peer_from_mbuf_t mpo_set_socket_peer_from_mbuf; 726 mpo_set_socket_peer_from_socket_t mpo_set_socket_peer_from_socket; 727 mpo_create_pipe_t mpo_create_pipe; 728 729 /* 730 * Labeling event operations: System V IPC primitives. 731 */ 732 mpo_create_sysv_msgmsg_t mpo_create_sysv_msgmsg; 733 mpo_create_sysv_msgqueue_t mpo_create_sysv_msgqueue; 734 mpo_create_sysv_sem_t mpo_create_sysv_sem; 735 mpo_create_sysv_shm_t mpo_create_sysv_shm; 736 737 /* 738 * Labeling event operations: POSIX (global/inter-process) semaphores. 739 */ 740 mpo_create_posix_sem_t mpo_create_posix_sem; 741 742 /* 743 * Labeling event operations: network objects. 744 */ 745 mpo_create_bpfdesc_t mpo_create_bpfdesc; 746 mpo_create_ifnet_t mpo_create_ifnet; 747 mpo_create_inpcb_from_socket_t mpo_create_inpcb_from_socket; 748 mpo_create_ipq_t mpo_create_ipq; 749 mpo_create_datagram_from_ipq mpo_create_datagram_from_ipq; 750 mpo_create_fragment_t mpo_create_fragment; 751 mpo_create_mbuf_from_inpcb_t mpo_create_mbuf_from_inpcb; 752 mpo_create_mbuf_linklayer_t mpo_create_mbuf_linklayer; 753 mpo_create_mbuf_from_bpfdesc_t mpo_create_mbuf_from_bpfdesc; 754 mpo_create_mbuf_from_ifnet_t mpo_create_mbuf_from_ifnet; 755 mpo_create_mbuf_multicast_encap_t mpo_create_mbuf_multicast_encap; 756 mpo_create_mbuf_netlayer_t mpo_create_mbuf_netlayer; 757 mpo_fragment_match_t mpo_fragment_match; 758 mpo_reflect_mbuf_icmp_t mpo_reflect_mbuf_icmp; 759 mpo_reflect_mbuf_tcp_t mpo_reflect_mbuf_tcp; 760 mpo_relabel_ifnet_t mpo_relabel_ifnet; 761 mpo_update_ipq_t mpo_update_ipq; 762 mpo_inpcb_sosetlabel_t mpo_inpcb_sosetlabel; 763 764 /* 765 * Labeling event operations: processes. 766 */ 767 mpo_execve_transition_t mpo_execve_transition; 768 mpo_execve_will_transition_t mpo_execve_will_transition; 769 mpo_create_proc0_t mpo_create_proc0; 770 mpo_create_proc1_t mpo_create_proc1; 771 mpo_relabel_cred_t mpo_relabel_cred; 772 mpo_placeholder_t _mpo_placeholder6; 773 mpo_thread_userret_t mpo_thread_userret; 774 775 /* 776 * Access control checks. 777 */ 778 mpo_check_bpfdesc_receive_t mpo_check_bpfdesc_receive; 779 mpo_placeholder_t _mpo_placeholder7; 780 mpo_check_cred_relabel_t mpo_check_cred_relabel; 781 mpo_check_cred_visible_t mpo_check_cred_visible; 782 mpo_placeholder_t _mpo_placeholder8; 783 mpo_placeholder_t _mpo_placeholder9; 784 mpo_placeholder_t _mpo_placeholder10; 785 mpo_placeholder_t _mpo_placeholder11; 786 mpo_placeholder_t _mpo_placeholder12; 787 mpo_placeholder_t _mpo_placeholder13; 788 mpo_placeholder_t _mpo_placeholder14; 789 mpo_placeholder_t _mpo_placeholder15; 790 mpo_placeholder_t _mpo_placeholder16; 791 mpo_placeholder_t _mpo_placeholder17; 792 mpo_placeholder_t _mpo_placeholder18; 793 mpo_check_ifnet_relabel_t mpo_check_ifnet_relabel; 794 mpo_check_ifnet_transmit_t mpo_check_ifnet_transmit; 795 mpo_check_inpcb_deliver_t mpo_check_inpcb_deliver; 796 mpo_check_sysv_msgmsq_t mpo_check_sysv_msgmsq; 797 mpo_check_sysv_msgrcv_t mpo_check_sysv_msgrcv; 798 mpo_check_sysv_msgrmid_t mpo_check_sysv_msgrmid; 799 mpo_check_sysv_msqget_t mpo_check_sysv_msqget; 800 mpo_check_sysv_msqsnd_t mpo_check_sysv_msqsnd; 801 mpo_check_sysv_msqrcv_t mpo_check_sysv_msqrcv; 802 mpo_check_sysv_msqctl_t mpo_check_sysv_msqctl; 803 mpo_check_sysv_semctl_t mpo_check_sysv_semctl; 804 mpo_check_sysv_semget_t mpo_check_sysv_semget; 805 mpo_check_sysv_semop_t mpo_check_sysv_semop; 806 mpo_check_sysv_shmat_t mpo_check_sysv_shmat; 807 mpo_check_sysv_shmctl_t mpo_check_sysv_shmctl; 808 mpo_check_sysv_shmdt_t mpo_check_sysv_shmdt; 809 mpo_check_sysv_shmget_t mpo_check_sysv_shmget; 810 mpo_check_kenv_dump_t mpo_check_kenv_dump; 811 mpo_check_kenv_get_t mpo_check_kenv_get; 812 mpo_check_kenv_set_t mpo_check_kenv_set; 813 mpo_check_kenv_unset_t mpo_check_kenv_unset; 814 mpo_check_kld_load_t mpo_check_kld_load; 815 mpo_check_kld_stat_t mpo_check_kld_stat; 816 mpo_placeholder_t _mpo_placeholder19; 817 mpo_placeholder_t _mpo_placeholder20; 818 mpo_check_mount_stat_t mpo_check_mount_stat; 819 mpo_placeholder_t _mpo_placeholder_21; 820 mpo_check_pipe_ioctl_t mpo_check_pipe_ioctl; 821 mpo_check_pipe_poll_t mpo_check_pipe_poll; 822 mpo_check_pipe_read_t mpo_check_pipe_read; 823 mpo_check_pipe_relabel_t mpo_check_pipe_relabel; 824 mpo_check_pipe_stat_t mpo_check_pipe_stat; 825 mpo_check_pipe_write_t mpo_check_pipe_write; 826 mpo_check_posix_sem_destroy_t mpo_check_posix_sem_destroy; 827 mpo_check_posix_sem_getvalue_t mpo_check_posix_sem_getvalue; 828 mpo_check_posix_sem_open_t mpo_check_posix_sem_open; 829 mpo_check_posix_sem_post_t mpo_check_posix_sem_post; 830 mpo_check_posix_sem_unlink_t mpo_check_posix_sem_unlink; 831 mpo_check_posix_sem_wait_t mpo_check_posix_sem_wait; 832 mpo_check_proc_debug_t mpo_check_proc_debug; 833 mpo_check_proc_sched_t mpo_check_proc_sched; 834 mpo_check_proc_setaudit_t mpo_check_proc_setaudit; 835 mpo_check_proc_setauid_t mpo_check_proc_setauid; 836 mpo_check_proc_setuid_t mpo_check_proc_setuid; 837 mpo_check_proc_seteuid_t mpo_check_proc_seteuid; 838 mpo_check_proc_setgid_t mpo_check_proc_setgid; 839 mpo_check_proc_setegid_t mpo_check_proc_setegid; 840 mpo_check_proc_setgroups_t mpo_check_proc_setgroups; 841 mpo_check_proc_setreuid_t mpo_check_proc_setreuid; 842 mpo_check_proc_setregid_t mpo_check_proc_setregid; 843 mpo_check_proc_setresuid_t mpo_check_proc_setresuid; 844 mpo_check_proc_setresgid_t mpo_check_proc_setresgid; 845 mpo_check_proc_signal_t mpo_check_proc_signal; 846 mpo_check_proc_wait_t mpo_check_proc_wait; 847 mpo_check_socket_accept_t mpo_check_socket_accept; 848 mpo_check_socket_bind_t mpo_check_socket_bind; 849 mpo_check_socket_connect_t mpo_check_socket_connect; 850 mpo_check_socket_create_t mpo_check_socket_create; 851 mpo_check_socket_deliver_t mpo_check_socket_deliver; 852 mpo_placeholder_t _mpo_placeholder22; 853 mpo_check_socket_listen_t mpo_check_socket_listen; 854 mpo_check_socket_poll_t mpo_check_socket_poll; 855 mpo_check_socket_receive_t mpo_check_socket_receive; 856 mpo_check_socket_relabel_t mpo_check_socket_relabel; 857 mpo_check_socket_send_t mpo_check_socket_send; 858 mpo_check_socket_stat_t mpo_check_socket_stat; 859 mpo_check_socket_visible_t mpo_check_socket_visible; 860 mpo_check_system_acct_t mpo_check_system_acct; 861 mpo_check_system_audit_t mpo_check_system_audit; 862 mpo_check_system_auditctl_t mpo_check_system_auditctl; 863 mpo_check_system_auditon_t mpo_check_system_auditon; 864 mpo_check_system_reboot_t mpo_check_system_reboot; 865 mpo_check_system_swapon_t mpo_check_system_swapon; 866 mpo_check_system_swapoff_t mpo_check_system_swapoff; 867 mpo_check_system_sysctl_t mpo_check_system_sysctl; 868 mpo_placeholder_t _mpo_placeholder23; 869 mpo_check_vnode_access_t mpo_check_vnode_access; 870 mpo_check_vnode_chdir_t mpo_check_vnode_chdir; 871 mpo_check_vnode_chroot_t mpo_check_vnode_chroot; 872 mpo_check_vnode_create_t mpo_check_vnode_create; 873 mpo_check_vnode_delete_t mpo_check_vnode_delete; 874 mpo_check_vnode_deleteacl_t mpo_check_vnode_deleteacl; 875 mpo_check_vnode_deleteextattr_t mpo_check_vnode_deleteextattr; 876 mpo_check_vnode_exec_t mpo_check_vnode_exec; 877 mpo_check_vnode_getacl_t mpo_check_vnode_getacl; 878 mpo_check_vnode_getextattr_t mpo_check_vnode_getextattr; 879 mpo_placeholder_t _mpo_placeholder24; 880 mpo_check_vnode_link_t mpo_check_vnode_link; 881 mpo_check_vnode_listextattr_t mpo_check_vnode_listextattr; 882 mpo_check_vnode_lookup_t mpo_check_vnode_lookup; 883 mpo_check_vnode_mmap_t mpo_check_vnode_mmap; 884 mpo_check_vnode_mmap_downgrade_t mpo_check_vnode_mmap_downgrade; 885 mpo_check_vnode_mprotect_t mpo_check_vnode_mprotect; 886 mpo_check_vnode_open_t mpo_check_vnode_open; 887 mpo_check_vnode_poll_t mpo_check_vnode_poll; 888 mpo_check_vnode_read_t mpo_check_vnode_read; 889 mpo_check_vnode_readdir_t mpo_check_vnode_readdir; 890 mpo_check_vnode_readlink_t mpo_check_vnode_readlink; 891 mpo_check_vnode_relabel_t mpo_check_vnode_relabel; 892 mpo_check_vnode_rename_from_t mpo_check_vnode_rename_from; 893 mpo_check_vnode_rename_to_t mpo_check_vnode_rename_to; 894 mpo_check_vnode_revoke_t mpo_check_vnode_revoke; 895 mpo_check_vnode_setacl_t mpo_check_vnode_setacl; 896 mpo_check_vnode_setextattr_t mpo_check_vnode_setextattr; 897 mpo_check_vnode_setflags_t mpo_check_vnode_setflags; 898 mpo_check_vnode_setmode_t mpo_check_vnode_setmode; 899 mpo_check_vnode_setowner_t mpo_check_vnode_setowner; 900 mpo_check_vnode_setutimes_t mpo_check_vnode_setutimes; 901 mpo_check_vnode_stat_t mpo_check_vnode_stat; 902 mpo_check_vnode_write_t mpo_check_vnode_write; 903 mpo_associate_nfsd_label_t mpo_associate_nfsd_label; 904 mpo_create_mbuf_from_firewall_t mpo_create_mbuf_from_firewall; 905 mpo_init_syncache_label_t mpo_init_syncache_label; 906 mpo_destroy_syncache_label_t mpo_destroy_syncache_label; 907 mpo_init_syncache_from_inpcb_t mpo_init_syncache_from_inpcb; 908 mpo_create_mbuf_from_syncache_t mpo_create_mbuf_from_syncache; 909 mpo_priv_check_t mpo_priv_check; 910 mpo_priv_grant_t mpo_priv_grant; 911}; 912 913/* 914 * struct mac_policy_conf is the registration structure for policies, and is 915 * provided to the MAC Framework using MAC_POLICY_SET() to invoke a SYSINIT 916 * to register the policy. In general, the fields are immutable, with the 917 * exception of the "security field", run-time flags, and policy list entry, 918 * which are managed by the MAC Framework. Be careful when modifying this 919 * structure, as its layout is statically compiled into all policies. 920 */ 921struct mac_policy_conf { 922 char *mpc_name; /* policy name */ 923 char *mpc_fullname; /* policy full name */ 924 struct mac_policy_ops *mpc_ops; /* policy operations */ 925 int mpc_loadtime_flags; /* flags */ 926 int *mpc_field_off; /* security field */ 927 int mpc_runtime_flags; /* flags */ 928 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */ 929}; 930 931/* Flags for the mpc_loadtime_flags field. */ 932#define MPC_LOADTIME_FLAG_NOTLATE 0x00000001 933#define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002 934#define MPC_LOADTIME_FLAG_LABELMBUFS 0x00000004 935 936/* Flags for the mpc_runtime_flags field. */ 937#define MPC_RUNTIME_FLAG_REGISTERED 0x00000001 938 939/*- 940 * The TrustedBSD MAC Framework has a major version number, MAC_VERSION, 941 * which defines the ABI of the Framework present in the kernel (and depended 942 * on by policy modules compiled against that kernel). Currently, 943 * MAC_POLICY_SET() requires that the kernel and module ABI version numbers 944 * exactly match. The following major versions have been defined to date: 945 * 946 * MAC version FreeBSD versions 947 * 1 5.x 948 * 2 6.x 949 * 3 7.x 950 */ 951#define MAC_VERSION 3 952 953#define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \ 954 static struct mac_policy_conf mpname##_mac_policy_conf = { \ 955 #mpname, \ 956 mpfullname, \ 957 mpops, \ 958 mpflags, \ 959 privdata_wanted, \ 960 0, \ 961 }; \ 962 static moduledata_t mpname##_mod = { \ 963 #mpname, \ 964 mac_policy_modevent, \ 965 &mpname##_mac_policy_conf \ 966 }; \ 967 MODULE_DEPEND(mpname, kernel_mac_support, MAC_VERSION, \ 968 MAC_VERSION, MAC_VERSION); \ 969 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \ 970 SI_ORDER_MIDDLE) 971 972int mac_policy_modevent(module_t mod, int type, void *data); 973 974/* 975 * Policy interface to map a struct label pointer to per-policy data. 976 * Typically, policies wrap this in their own accessor macro that casts a 977 * uintptr_t to a policy-specific data type. 978 */ 979intptr_t mac_label_get(struct label *l, int slot); 980void mac_label_set(struct label *l, int slot, intptr_t v); 981 982#endif /* !_SYS_SECURITY_MAC_MAC_POLICY_H_ */ 983