1 /*- 2 * Copyright (c) 1999-2002, 2007-2008 Robert N. M. Watson 3 * Copyright (c) 2001-2005 Networks Associates Technology, Inc. 4 * Copyright (c) 2005-2006 SPARTA, Inc. 5 * Copyright (c) 2008 Apple Inc. 6 * All rights reserved. 7 * 8 * This software was developed by Robert Watson for the TrustedBSD Project. 9 * 10 * This software was developed for the FreeBSD Project in part by Network 11 * Associates Laboratories, the Security Research Division of Network 12 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), 13 * as part of the DARPA CHATS research program. 14 * 15 * This software was enhanced by SPARTA ISSO under SPAWAR contract 16 * N66001-04-C-6019 ("SEFOS"). 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions 20 * are met: 21 * 1. Redistributions of source code must retain the above copyright 22 * notice, this list of conditions and the following disclaimer. 23 * 2. Redistributions in binary form must reproduce the above copyright 24 * notice, this list of conditions and the following disclaimer in the 25 * documentation and/or other materials provided with the distribution. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * $FreeBSD$ 40 */ 41 /* 42 * Kernel interface for MAC policy modules. 43 */ 44 #ifndef _SECURITY_MAC_MAC_POLICY_H_ 45 #define _SECURITY_MAC_MAC_POLICY_H_ 46 47 #ifndef _KERNEL 48 #error "no user-serviceable parts inside" 49 #endif 50 51 /*- 52 * Pluggable access control policy definition structure. 53 * 54 * List of operations that are performed as part of the implementation of a 55 * MAC policy. Policy implementors declare operations with a mac_policy_ops 56 * structure, and using the MAC_POLICY_SET() macro. If an entry point is not 57 * declared, then then the policy will be ignored during evaluation of that 58 * event or check. 59 * 60 * Operations are sorted first by general class of operation, then 61 * alphabetically. 62 */ 63 #include <sys/acl.h> /* XXX acl_type_t */ 64 #include <sys/types.h> /* XXX accmode_t */ 65 66 struct acl; 67 struct auditinfo; 68 struct auditinfo_addr; 69 struct bpf_d; 70 struct cdev; 71 struct componentname; 72 struct devfs_dirent; 73 struct ifnet; 74 struct image_params; 75 struct inpcb; 76 struct ip6q; 77 struct ipq; 78 struct ksem; 79 struct label; 80 struct mac_policy_conf; 81 struct mbuf; 82 struct mount; 83 struct msg; 84 struct msqid_kernel; 85 struct pipepair; 86 struct proc; 87 struct sbuf; 88 struct semid_kernel; 89 struct shmfd; 90 struct shmid_kernel; 91 struct sockaddr; 92 struct socket; 93 struct sysctl_oid; 94 struct sysctl_req; 95 struct thread; 96 struct ucred; 97 struct uio; 98 struct vattr; 99 struct vnode; 100 101 /* 102 * Policy module operations. 103 */ 104 typedef void (*mpo_destroy_t)(struct mac_policy_conf *mpc); 105 typedef void (*mpo_init_t)(struct mac_policy_conf *mpc); 106 107 /* 108 * General policy-directed security system call so that policies may 109 * implement new services without reserving explicit system call numbers. 110 */ 111 typedef int (*mpo_syscall_t)(struct thread *td, int call, void *arg); 112 113 /* 114 * Place-holder function pointers for ABI-compatibility purposes. 115 */ 116 typedef void (*mpo_placeholder_t)(void); 117 118 /* 119 * Operations sorted alphabetically by primary object type and then method. 120 */ 121 typedef int (*mpo_bpfdesc_check_receive_t)(struct bpf_d *d, 122 struct label *dlabel, struct ifnet *ifp, 123 struct label *ifplabel); 124 typedef void (*mpo_bpfdesc_create_t)(struct ucred *cred, 125 struct bpf_d *d, struct label *dlabel); 126 typedef void (*mpo_bpfdesc_create_mbuf_t)(struct bpf_d *d, 127 struct label *dlabel, struct mbuf *m, 128 struct label *mlabel); 129 typedef void (*mpo_bpfdesc_destroy_label_t)(struct label *label); 130 typedef void (*mpo_bpfdesc_init_label_t)(struct label *label); 131 132 typedef void (*mpo_cred_associate_nfsd_t)(struct ucred *cred); 133 typedef int (*mpo_cred_check_relabel_t)(struct ucred *cred, 134 struct label *newlabel); 135 typedef int (*mpo_cred_check_visible_t)(struct ucred *cr1, 136 struct ucred *cr2); 137 typedef void (*mpo_cred_copy_label_t)(struct label *src, 138 struct label *dest); 139 typedef void (*mpo_cred_create_init_t)(struct ucred *cred); 140 typedef void (*mpo_cred_create_swapper_t)(struct ucred *cred); 141 typedef void (*mpo_cred_destroy_label_t)(struct label *label); 142 typedef int (*mpo_cred_externalize_label_t)(struct label *label, 143 char *element_name, struct sbuf *sb, int *claimed); 144 typedef void (*mpo_cred_init_label_t)(struct label *label); 145 typedef int (*mpo_cred_internalize_label_t)(struct label *label, 146 char *element_name, char *element_data, int *claimed); 147 typedef void (*mpo_cred_relabel_t)(struct ucred *cred, 148 struct label *newlabel); 149 150 typedef void (*mpo_devfs_create_device_t)(struct ucred *cred, 151 struct mount *mp, struct cdev *dev, 152 struct devfs_dirent *de, struct label *delabel); 153 typedef void (*mpo_devfs_create_directory_t)(struct mount *mp, 154 char *dirname, int dirnamelen, struct devfs_dirent *de, 155 struct label *delabel); 156 typedef void (*mpo_devfs_create_symlink_t)(struct ucred *cred, 157 struct mount *mp, struct devfs_dirent *dd, 158 struct label *ddlabel, struct devfs_dirent *de, 159 struct label *delabel); 160 typedef void (*mpo_devfs_destroy_label_t)(struct label *label); 161 typedef void (*mpo_devfs_init_label_t)(struct label *label); 162 typedef void (*mpo_devfs_update_t)(struct mount *mp, 163 struct devfs_dirent *de, struct label *delabel, 164 struct vnode *vp, struct label *vplabel); 165 typedef void (*mpo_devfs_vnode_associate_t)(struct mount *mp, 166 struct label *mplabel, struct devfs_dirent *de, 167 struct label *delabel, struct vnode *vp, 168 struct label *vplabel); 169 170 typedef int (*mpo_ifnet_check_relabel_t)(struct ucred *cred, 171 struct ifnet *ifp, struct label *ifplabel, 172 struct label *newlabel); 173 typedef int (*mpo_ifnet_check_transmit_t)(struct ifnet *ifp, 174 struct label *ifplabel, struct mbuf *m, 175 struct label *mlabel); 176 typedef void (*mpo_ifnet_copy_label_t)(struct label *src, 177 struct label *dest); 178 typedef void (*mpo_ifnet_create_t)(struct ifnet *ifp, 179 struct label *ifplabel); 180 typedef void (*mpo_ifnet_create_mbuf_t)(struct ifnet *ifp, 181 struct label *ifplabel, struct mbuf *m, 182 struct label *mlabel); 183 typedef void (*mpo_ifnet_destroy_label_t)(struct label *label); 184 typedef int (*mpo_ifnet_externalize_label_t)(struct label *label, 185 char *element_name, struct sbuf *sb, int *claimed); 186 typedef void (*mpo_ifnet_init_label_t)(struct label *label); 187 typedef int (*mpo_ifnet_internalize_label_t)(struct label *label, 188 char *element_name, char *element_data, int *claimed); 189 typedef void (*mpo_ifnet_relabel_t)(struct ucred *cred, struct ifnet *ifp, 190 struct label *ifplabel, struct label *newlabel); 191 192 typedef int (*mpo_inpcb_check_deliver_t)(struct inpcb *inp, 193 struct label *inplabel, struct mbuf *m, 194 struct label *mlabel); 195 typedef int (*mpo_inpcb_check_visible_t)(struct ucred *cred, 196 struct inpcb *inp, struct label *inplabel); 197 typedef void (*mpo_inpcb_create_t)(struct socket *so, 198 struct label *solabel, struct inpcb *inp, 199 struct label *inplabel); 200 typedef void (*mpo_inpcb_create_mbuf_t)(struct inpcb *inp, 201 struct label *inplabel, struct mbuf *m, 202 struct label *mlabel); 203 typedef void (*mpo_inpcb_destroy_label_t)(struct label *label); 204 typedef int (*mpo_inpcb_init_label_t)(struct label *label, int flag); 205 typedef void (*mpo_inpcb_sosetlabel_t)(struct socket *so, 206 struct label *label, struct inpcb *inp, 207 struct label *inplabel); 208 209 typedef void (*mpo_ip6q_create_t)(struct mbuf *m, struct label *mlabel, 210 struct ip6q *q6, struct label *q6label); 211 typedef void (*mpo_ip6q_destroy_label_t)(struct label *label); 212 typedef int (*mpo_ip6q_init_label_t)(struct label *label, int flag); 213 typedef int (*mpo_ip6q_match_t)(struct mbuf *m, struct label *mlabel, 214 struct ip6q *q6, struct label *q6label); 215 typedef void (*mpo_ip6q_reassemble)(struct ip6q *q6, struct label *q6label, 216 struct mbuf *m, struct label *mlabel); 217 typedef void (*mpo_ip6q_update_t)(struct mbuf *m, struct label *mlabel, 218 struct ip6q *q6, struct label *q6label); 219 220 typedef void (*mpo_ipq_create_t)(struct mbuf *m, struct label *mlabel, 221 struct ipq *q, struct label *qlabel); 222 typedef void (*mpo_ipq_destroy_label_t)(struct label *label); 223 typedef int (*mpo_ipq_init_label_t)(struct label *label, int flag); 224 typedef int (*mpo_ipq_match_t)(struct mbuf *m, struct label *mlabel, 225 struct ipq *q, struct label *qlabel); 226 typedef void (*mpo_ipq_reassemble)(struct ipq *q, struct label *qlabel, 227 struct mbuf *m, struct label *mlabel); 228 typedef void (*mpo_ipq_update_t)(struct mbuf *m, struct label *mlabel, 229 struct ipq *q, struct label *qlabel); 230 231 typedef int (*mpo_kenv_check_dump_t)(struct ucred *cred); 232 typedef int (*mpo_kenv_check_get_t)(struct ucred *cred, char *name); 233 typedef int (*mpo_kenv_check_set_t)(struct ucred *cred, char *name, 234 char *value); 235 typedef int (*mpo_kenv_check_unset_t)(struct ucred *cred, char *name); 236 237 typedef int (*mpo_kld_check_load_t)(struct ucred *cred, struct vnode *vp, 238 struct label *vplabel); 239 typedef int (*mpo_kld_check_stat_t)(struct ucred *cred); 240 241 typedef void (*mpo_mbuf_copy_label_t)(struct label *src, 242 struct label *dest); 243 typedef void (*mpo_mbuf_destroy_label_t)(struct label *label); 244 typedef int (*mpo_mbuf_init_label_t)(struct label *label, int flag); 245 246 typedef int (*mpo_mount_check_stat_t)(struct ucred *cred, 247 struct mount *mp, struct label *mplabel); 248 typedef void (*mpo_mount_create_t)(struct ucred *cred, struct mount *mp, 249 struct label *mplabel); 250 typedef void (*mpo_mount_destroy_label_t)(struct label *label); 251 typedef void (*mpo_mount_init_label_t)(struct label *label); 252 253 typedef void (*mpo_netatalk_aarp_send_t)(struct ifnet *ifp, 254 struct label *ifplabel, struct mbuf *m, 255 struct label *mlabel); 256 257 typedef void (*mpo_netinet_arp_send_t)(struct ifnet *ifp, 258 struct label *ifplabel, struct mbuf *m, 259 struct label *mlabel); 260 typedef void (*mpo_netinet_firewall_reply_t)(struct mbuf *mrecv, 261 struct label *mrecvlabel, struct mbuf *msend, 262 struct label *msendlabel); 263 typedef void (*mpo_netinet_firewall_send_t)(struct mbuf *m, 264 struct label *mlabel); 265 typedef void (*mpo_netinet_fragment_t)(struct mbuf *m, 266 struct label *mlabel, struct mbuf *frag, 267 struct label *fraglabel); 268 typedef void (*mpo_netinet_icmp_reply_t)(struct mbuf *mrecv, 269 struct label *mrecvlabel, struct mbuf *msend, 270 struct label *msendlabel); 271 typedef void (*mpo_netinet_icmp_replyinplace_t)(struct mbuf *m, 272 struct label *mlabel); 273 typedef void (*mpo_netinet_igmp_send_t)(struct ifnet *ifp, 274 struct label *ifplabel, struct mbuf *m, 275 struct label *mlabel); 276 typedef void (*mpo_netinet_tcp_reply_t)(struct mbuf *m, 277 struct label *mlabel); 278 279 typedef void (*mpo_netinet6_nd6_send_t)(struct ifnet *ifp, 280 struct label *ifplabel, struct mbuf *m, 281 struct label *mlabel); 282 283 typedef int (*mpo_pipe_check_ioctl_t)(struct ucred *cred, 284 struct pipepair *pp, struct label *pplabel, 285 unsigned long cmd, void *data); 286 typedef int (*mpo_pipe_check_poll_t)(struct ucred *cred, 287 struct pipepair *pp, struct label *pplabel); 288 typedef int (*mpo_pipe_check_read_t)(struct ucred *cred, 289 struct pipepair *pp, struct label *pplabel); 290 typedef int (*mpo_pipe_check_relabel_t)(struct ucred *cred, 291 struct pipepair *pp, struct label *pplabel, 292 struct label *newlabel); 293 typedef int (*mpo_pipe_check_stat_t)(struct ucred *cred, 294 struct pipepair *pp, struct label *pplabel); 295 typedef int (*mpo_pipe_check_write_t)(struct ucred *cred, 296 struct pipepair *pp, struct label *pplabel); 297 typedef void (*mpo_pipe_copy_label_t)(struct label *src, 298 struct label *dest); 299 typedef void (*mpo_pipe_create_t)(struct ucred *cred, struct pipepair *pp, 300 struct label *pplabel); 301 typedef void (*mpo_pipe_destroy_label_t)(struct label *label); 302 typedef int (*mpo_pipe_externalize_label_t)(struct label *label, 303 char *element_name, struct sbuf *sb, int *claimed); 304 typedef void (*mpo_pipe_init_label_t)(struct label *label); 305 typedef int (*mpo_pipe_internalize_label_t)(struct label *label, 306 char *element_name, char *element_data, int *claimed); 307 typedef void (*mpo_pipe_relabel_t)(struct ucred *cred, struct pipepair *pp, 308 struct label *oldlabel, struct label *newlabel); 309 310 typedef int (*mpo_posixsem_check_getvalue_t)(struct ucred *active_cred, 311 struct ucred *file_cred, struct ksem *ks, 312 struct label *kslabel); 313 typedef int (*mpo_posixsem_check_open_t)(struct ucred *cred, 314 struct ksem *ks, struct label *kslabel); 315 typedef int (*mpo_posixsem_check_post_t)(struct ucred *active_cred, 316 struct ucred *file_cred, struct ksem *ks, 317 struct label *kslabel); 318 typedef int (*mpo_posixsem_check_stat_t)(struct ucred *active_cred, 319 struct ucred *file_cred, struct ksem *ks, 320 struct label *kslabel); 321 typedef int (*mpo_posixsem_check_unlink_t)(struct ucred *cred, 322 struct ksem *ks, struct label *kslabel); 323 typedef int (*mpo_posixsem_check_wait_t)(struct ucred *active_cred, 324 struct ucred *file_cred, struct ksem *ks, 325 struct label *kslabel); 326 typedef void (*mpo_posixsem_create_t)(struct ucred *cred, 327 struct ksem *ks, struct label *kslabel); 328 typedef void (*mpo_posixsem_destroy_label_t)(struct label *label); 329 typedef void (*mpo_posixsem_init_label_t)(struct label *label); 330 331 typedef int (*mpo_posixshm_check_mmap_t)(struct ucred *cred, 332 struct shmfd *shmfd, struct label *shmlabel, int prot, 333 int flags); 334 typedef int (*mpo_posixshm_check_open_t)(struct ucred *cred, 335 struct shmfd *shmfd, struct label *shmlabel); 336 typedef int (*mpo_posixshm_check_stat_t)(struct ucred *active_cred, 337 struct ucred *file_cred, struct shmfd *shmfd, 338 struct label *shmlabel); 339 typedef int (*mpo_posixshm_check_truncate_t)(struct ucred *active_cred, 340 struct ucred *file_cred, struct shmfd *shmfd, 341 struct label *shmlabel); 342 typedef int (*mpo_posixshm_check_unlink_t)(struct ucred *cred, 343 struct shmfd *shmfd, struct label *shmlabel); 344 typedef void (*mpo_posixshm_create_t)(struct ucred *cred, 345 struct shmfd *shmfd, struct label *shmlabel); 346 typedef void (*mpo_posixshm_destroy_label_t)(struct label *label); 347 typedef void (*mpo_posixshm_init_label_t)(struct label *label); 348 349 typedef int (*mpo_priv_check_t)(struct ucred *cred, int priv); 350 typedef int (*mpo_priv_grant_t)(struct ucred *cred, int priv); 351 352 typedef int (*mpo_proc_check_debug_t)(struct ucred *cred, 353 struct proc *p); 354 typedef int (*mpo_proc_check_sched_t)(struct ucred *cred, 355 struct proc *p); 356 typedef int (*mpo_proc_check_setaudit_t)(struct ucred *cred, 357 struct auditinfo *ai); 358 typedef int (*mpo_proc_check_setaudit_addr_t)(struct ucred *cred, 359 struct auditinfo_addr *aia); 360 typedef int (*mpo_proc_check_setauid_t)(struct ucred *cred, uid_t auid); 361 typedef int (*mpo_proc_check_setegid_t)(struct ucred *cred, gid_t egid); 362 typedef int (*mpo_proc_check_seteuid_t)(struct ucred *cred, uid_t euid); 363 typedef int (*mpo_proc_check_setgid_t)(struct ucred *cred, gid_t gid); 364 typedef int (*mpo_proc_check_setgroups_t)(struct ucred *cred, int ngroups, 365 gid_t *gidset); 366 typedef int (*mpo_proc_check_setregid_t)(struct ucred *cred, gid_t rgid, 367 gid_t egid); 368 typedef int (*mpo_proc_check_setresgid_t)(struct ucred *cred, gid_t rgid, 369 gid_t egid, gid_t sgid); 370 typedef int (*mpo_proc_check_setresuid_t)(struct ucred *cred, uid_t ruid, 371 uid_t euid, uid_t suid); 372 typedef int (*mpo_proc_check_setreuid_t)(struct ucred *cred, uid_t ruid, 373 uid_t euid); 374 typedef int (*mpo_proc_check_setuid_t)(struct ucred *cred, uid_t uid); 375 typedef int (*mpo_proc_check_signal_t)(struct ucred *cred, 376 struct proc *proc, int signum); 377 typedef int (*mpo_proc_check_wait_t)(struct ucred *cred, 378 struct proc *proc); 379 typedef void (*mpo_proc_destroy_label_t)(struct label *label); 380 typedef void (*mpo_proc_init_label_t)(struct label *label); 381 382 typedef int (*mpo_socket_check_accept_t)(struct ucred *cred, 383 struct socket *so, struct label *solabel); 384 typedef int (*mpo_socket_check_bind_t)(struct ucred *cred, 385 struct socket *so, struct label *solabel, 386 struct sockaddr *sa); 387 typedef int (*mpo_socket_check_connect_t)(struct ucred *cred, 388 struct socket *so, struct label *solabel, 389 struct sockaddr *sa); 390 typedef int (*mpo_socket_check_create_t)(struct ucred *cred, int domain, 391 int type, int protocol); 392 typedef int (*mpo_socket_check_deliver_t)(struct socket *so, 393 struct label *solabel, struct mbuf *m, 394 struct label *mlabel); 395 typedef int (*mpo_socket_check_listen_t)(struct ucred *cred, 396 struct socket *so, struct label *solabel); 397 typedef int (*mpo_socket_check_poll_t)(struct ucred *cred, 398 struct socket *so, struct label *solabel); 399 typedef int (*mpo_socket_check_receive_t)(struct ucred *cred, 400 struct socket *so, struct label *solabel); 401 typedef int (*mpo_socket_check_relabel_t)(struct ucred *cred, 402 struct socket *so, struct label *solabel, 403 struct label *newlabel); 404 typedef int (*mpo_socket_check_send_t)(struct ucred *cred, 405 struct socket *so, struct label *solabel); 406 typedef int (*mpo_socket_check_stat_t)(struct ucred *cred, 407 struct socket *so, struct label *solabel); 408 typedef int (*mpo_socket_check_visible_t)(struct ucred *cred, 409 struct socket *so, struct label *solabel); 410 typedef void (*mpo_socket_copy_label_t)(struct label *src, 411 struct label *dest); 412 typedef void (*mpo_socket_create_t)(struct ucred *cred, struct socket *so, 413 struct label *solabel); 414 typedef void (*mpo_socket_create_mbuf_t)(struct socket *so, 415 struct label *solabel, struct mbuf *m, 416 struct label *mlabel); 417 typedef void (*mpo_socket_destroy_label_t)(struct label *label); 418 typedef int (*mpo_socket_externalize_label_t)(struct label *label, 419 char *element_name, struct sbuf *sb, int *claimed); 420 typedef int (*mpo_socket_init_label_t)(struct label *label, int flag); 421 typedef int (*mpo_socket_internalize_label_t)(struct label *label, 422 char *element_name, char *element_data, int *claimed); 423 typedef void (*mpo_socket_newconn_t)(struct socket *oldso, 424 struct label *oldsolabel, struct socket *newso, 425 struct label *newsolabel); 426 typedef void (*mpo_socket_relabel_t)(struct ucred *cred, struct socket *so, 427 struct label *oldlabel, struct label *newlabel); 428 429 typedef void (*mpo_socketpeer_destroy_label_t)(struct label *label); 430 typedef int (*mpo_socketpeer_externalize_label_t)(struct label *label, 431 char *element_name, struct sbuf *sb, int *claimed); 432 typedef int (*mpo_socketpeer_init_label_t)(struct label *label, 433 int flag); 434 typedef void (*mpo_socketpeer_set_from_mbuf_t)(struct mbuf *m, 435 struct label *mlabel, struct socket *so, 436 struct label *sopeerlabel); 437 typedef void (*mpo_socketpeer_set_from_socket_t)(struct socket *oldso, 438 struct label *oldsolabel, struct socket *newso, 439 struct label *newsopeerlabel); 440 441 typedef void (*mpo_syncache_create_t)(struct label *label, 442 struct inpcb *inp); 443 typedef void (*mpo_syncache_create_mbuf_t)(struct label *sc_label, 444 struct mbuf *m, struct label *mlabel); 445 typedef void (*mpo_syncache_destroy_label_t)(struct label *label); 446 typedef int (*mpo_syncache_init_label_t)(struct label *label, int flag); 447 448 typedef int (*mpo_system_check_acct_t)(struct ucred *cred, 449 struct vnode *vp, struct label *vplabel); 450 typedef int (*mpo_system_check_audit_t)(struct ucred *cred, void *record, 451 int length); 452 typedef int (*mpo_system_check_auditctl_t)(struct ucred *cred, 453 struct vnode *vp, struct label *vplabel); 454 typedef int (*mpo_system_check_auditon_t)(struct ucred *cred, int cmd); 455 typedef int (*mpo_system_check_reboot_t)(struct ucred *cred, int howto); 456 typedef int (*mpo_system_check_swapon_t)(struct ucred *cred, 457 struct vnode *vp, struct label *vplabel); 458 typedef int (*mpo_system_check_swapoff_t)(struct ucred *cred, 459 struct vnode *vp, struct label *vplabel); 460 typedef int (*mpo_system_check_sysctl_t)(struct ucred *cred, 461 struct sysctl_oid *oidp, void *arg1, int arg2, 462 struct sysctl_req *req); 463 464 typedef void (*mpo_sysvmsg_cleanup_t)(struct label *msglabel); 465 typedef void (*mpo_sysvmsg_create_t)(struct ucred *cred, 466 struct msqid_kernel *msqkptr, struct label *msqlabel, 467 struct msg *msgptr, struct label *msglabel); 468 typedef void (*mpo_sysvmsg_destroy_label_t)(struct label *label); 469 typedef void (*mpo_sysvmsg_init_label_t)(struct label *label); 470 471 typedef int (*mpo_sysvmsq_check_msgmsq_t)(struct ucred *cred, 472 struct msg *msgptr, struct label *msglabel, 473 struct msqid_kernel *msqkptr, struct label *msqklabel); 474 typedef int (*mpo_sysvmsq_check_msgrcv_t)(struct ucred *cred, 475 struct msg *msgptr, struct label *msglabel); 476 typedef int (*mpo_sysvmsq_check_msgrmid_t)(struct ucred *cred, 477 struct msg *msgptr, struct label *msglabel); 478 typedef int (*mpo_sysvmsq_check_msqget_t)(struct ucred *cred, 479 struct msqid_kernel *msqkptr, struct label *msqklabel); 480 typedef int (*mpo_sysvmsq_check_msqctl_t)(struct ucred *cred, 481 struct msqid_kernel *msqkptr, struct label *msqklabel, 482 int cmd); 483 typedef int (*mpo_sysvmsq_check_msqrcv_t)(struct ucred *cred, 484 struct msqid_kernel *msqkptr, struct label *msqklabel); 485 typedef int (*mpo_sysvmsq_check_msqsnd_t)(struct ucred *cred, 486 struct msqid_kernel *msqkptr, struct label *msqklabel); 487 typedef void (*mpo_sysvmsq_cleanup_t)(struct label *msqlabel); 488 typedef void (*mpo_sysvmsq_create_t)(struct ucred *cred, 489 struct msqid_kernel *msqkptr, struct label *msqlabel); 490 typedef void (*mpo_sysvmsq_destroy_label_t)(struct label *label); 491 typedef void (*mpo_sysvmsq_init_label_t)(struct label *label); 492 493 typedef int (*mpo_sysvsem_check_semctl_t)(struct ucred *cred, 494 struct semid_kernel *semakptr, struct label *semaklabel, 495 int cmd); 496 typedef int (*mpo_sysvsem_check_semget_t)(struct ucred *cred, 497 struct semid_kernel *semakptr, struct label *semaklabel); 498 typedef int (*mpo_sysvsem_check_semop_t)(struct ucred *cred, 499 struct semid_kernel *semakptr, struct label *semaklabel, 500 size_t accesstype); 501 typedef void (*mpo_sysvsem_cleanup_t)(struct label *semalabel); 502 typedef void (*mpo_sysvsem_create_t)(struct ucred *cred, 503 struct semid_kernel *semakptr, struct label *semalabel); 504 typedef void (*mpo_sysvsem_destroy_label_t)(struct label *label); 505 typedef void (*mpo_sysvsem_init_label_t)(struct label *label); 506 507 typedef int (*mpo_sysvshm_check_shmat_t)(struct ucred *cred, 508 struct shmid_kernel *shmsegptr, 509 struct label *shmseglabel, int shmflg); 510 typedef int (*mpo_sysvshm_check_shmctl_t)(struct ucred *cred, 511 struct shmid_kernel *shmsegptr, 512 struct label *shmseglabel, int cmd); 513 typedef int (*mpo_sysvshm_check_shmdt_t)(struct ucred *cred, 514 struct shmid_kernel *shmsegptr, 515 struct label *shmseglabel); 516 typedef int (*mpo_sysvshm_check_shmget_t)(struct ucred *cred, 517 struct shmid_kernel *shmsegptr, 518 struct label *shmseglabel, int shmflg); 519 typedef void (*mpo_sysvshm_cleanup_t)(struct label *shmlabel); 520 typedef void (*mpo_sysvshm_create_t)(struct ucred *cred, 521 struct shmid_kernel *shmsegptr, struct label *shmlabel); 522 typedef void (*mpo_sysvshm_destroy_label_t)(struct label *label); 523 typedef void (*mpo_sysvshm_init_label_t)(struct label *label); 524 525 typedef void (*mpo_thread_userret_t)(struct thread *thread); 526 527 typedef int (*mpo_vnode_associate_extattr_t)(struct mount *mp, 528 struct label *mplabel, struct vnode *vp, 529 struct label *vplabel); 530 typedef void (*mpo_vnode_associate_singlelabel_t)(struct mount *mp, 531 struct label *mplabel, struct vnode *vp, 532 struct label *vplabel); 533 typedef int (*mpo_vnode_check_access_t)(struct ucred *cred, 534 struct vnode *vp, struct label *vplabel, 535 accmode_t accmode); 536 typedef int (*mpo_vnode_check_chdir_t)(struct ucred *cred, 537 struct vnode *dvp, struct label *dvplabel); 538 typedef int (*mpo_vnode_check_chroot_t)(struct ucred *cred, 539 struct vnode *dvp, struct label *dvplabel); 540 typedef int (*mpo_vnode_check_create_t)(struct ucred *cred, 541 struct vnode *dvp, struct label *dvplabel, 542 struct componentname *cnp, struct vattr *vap); 543 typedef int (*mpo_vnode_check_deleteacl_t)(struct ucred *cred, 544 struct vnode *vp, struct label *vplabel, 545 acl_type_t type); 546 typedef int (*mpo_vnode_check_deleteextattr_t)(struct ucred *cred, 547 struct vnode *vp, struct label *vplabel, 548 int attrnamespace, const char *name); 549 typedef int (*mpo_vnode_check_exec_t)(struct ucred *cred, 550 struct vnode *vp, struct label *vplabel, 551 struct image_params *imgp, struct label *execlabel); 552 typedef int (*mpo_vnode_check_getacl_t)(struct ucred *cred, 553 struct vnode *vp, struct label *vplabel, 554 acl_type_t type); 555 typedef int (*mpo_vnode_check_getextattr_t)(struct ucred *cred, 556 struct vnode *vp, struct label *vplabel, 557 int attrnamespace, const char *name, struct uio *uio); 558 typedef int (*mpo_vnode_check_link_t)(struct ucred *cred, 559 struct vnode *dvp, struct label *dvplabel, 560 struct vnode *vp, struct label *vplabel, 561 struct componentname *cnp); 562 typedef int (*mpo_vnode_check_listextattr_t)(struct ucred *cred, 563 struct vnode *vp, struct label *vplabel, 564 int attrnamespace); 565 typedef int (*mpo_vnode_check_lookup_t)(struct ucred *cred, 566 struct vnode *dvp, struct label *dvplabel, 567 struct componentname *cnp); 568 typedef int (*mpo_vnode_check_mmap_t)(struct ucred *cred, 569 struct vnode *vp, struct label *label, int prot, 570 int flags); 571 typedef void (*mpo_vnode_check_mmap_downgrade_t)(struct ucred *cred, 572 struct vnode *vp, struct label *vplabel, int *prot); 573 typedef int (*mpo_vnode_check_mprotect_t)(struct ucred *cred, 574 struct vnode *vp, struct label *vplabel, int prot); 575 typedef int (*mpo_vnode_check_open_t)(struct ucred *cred, 576 struct vnode *vp, struct label *vplabel, 577 accmode_t accmode); 578 typedef int (*mpo_vnode_check_poll_t)(struct ucred *active_cred, 579 struct ucred *file_cred, struct vnode *vp, 580 struct label *vplabel); 581 typedef int (*mpo_vnode_check_read_t)(struct ucred *active_cred, 582 struct ucred *file_cred, struct vnode *vp, 583 struct label *vplabel); 584 typedef int (*mpo_vnode_check_readdir_t)(struct ucred *cred, 585 struct vnode *dvp, struct label *dvplabel); 586 typedef int (*mpo_vnode_check_readlink_t)(struct ucred *cred, 587 struct vnode *vp, struct label *vplabel); 588 typedef int (*mpo_vnode_check_relabel_t)(struct ucred *cred, 589 struct vnode *vp, struct label *vplabel, 590 struct label *newlabel); 591 typedef int (*mpo_vnode_check_rename_from_t)(struct ucred *cred, 592 struct vnode *dvp, struct label *dvplabel, 593 struct vnode *vp, struct label *vplabel, 594 struct componentname *cnp); 595 typedef int (*mpo_vnode_check_rename_to_t)(struct ucred *cred, 596 struct vnode *dvp, struct label *dvplabel, 597 struct vnode *vp, struct label *vplabel, int samedir, 598 struct componentname *cnp); 599 typedef int (*mpo_vnode_check_revoke_t)(struct ucred *cred, 600 struct vnode *vp, struct label *vplabel); 601 typedef int (*mpo_vnode_check_setacl_t)(struct ucred *cred, 602 struct vnode *vp, struct label *vplabel, acl_type_t type, 603 struct acl *acl); 604 typedef int (*mpo_vnode_check_setextattr_t)(struct ucred *cred, 605 struct vnode *vp, struct label *vplabel, 606 int attrnamespace, const char *name, struct uio *uio); 607 typedef int (*mpo_vnode_check_setflags_t)(struct ucred *cred, 608 struct vnode *vp, struct label *vplabel, u_long flags); 609 typedef int (*mpo_vnode_check_setmode_t)(struct ucred *cred, 610 struct vnode *vp, struct label *vplabel, mode_t mode); 611 typedef int (*mpo_vnode_check_setowner_t)(struct ucred *cred, 612 struct vnode *vp, struct label *vplabel, uid_t uid, 613 gid_t gid); 614 typedef int (*mpo_vnode_check_setutimes_t)(struct ucred *cred, 615 struct vnode *vp, struct label *vplabel, 616 struct timespec atime, struct timespec mtime); 617 typedef int (*mpo_vnode_check_stat_t)(struct ucred *active_cred, 618 struct ucred *file_cred, struct vnode *vp, 619 struct label *vplabel); 620 typedef int (*mpo_vnode_check_unlink_t)(struct ucred *cred, 621 struct vnode *dvp, struct label *dvplabel, 622 struct vnode *vp, struct label *vplabel, 623 struct componentname *cnp); 624 typedef int (*mpo_vnode_check_write_t)(struct ucred *active_cred, 625 struct ucred *file_cred, struct vnode *vp, 626 struct label *vplabel); 627 typedef void (*mpo_vnode_copy_label_t)(struct label *src, 628 struct label *dest); 629 typedef int (*mpo_vnode_create_extattr_t)(struct ucred *cred, 630 struct mount *mp, struct label *mplabel, 631 struct vnode *dvp, struct label *dvplabel, 632 struct vnode *vp, struct label *vplabel, 633 struct componentname *cnp); 634 typedef void (*mpo_vnode_destroy_label_t)(struct label *label); 635 typedef void (*mpo_vnode_execve_transition_t)(struct ucred *old, 636 struct ucred *new, struct vnode *vp, 637 struct label *vplabel, struct label *interpvplabel, 638 struct image_params *imgp, struct label *execlabel); 639 typedef int (*mpo_vnode_execve_will_transition_t)(struct ucred *old, 640 struct vnode *vp, struct label *vplabel, 641 struct label *interpvplabel, struct image_params *imgp, 642 struct label *execlabel); 643 typedef int (*mpo_vnode_externalize_label_t)(struct label *label, 644 char *element_name, struct sbuf *sb, int *claimed); 645 typedef void (*mpo_vnode_init_label_t)(struct label *label); 646 typedef int (*mpo_vnode_internalize_label_t)(struct label *label, 647 char *element_name, char *element_data, int *claimed); 648 typedef void (*mpo_vnode_relabel_t)(struct ucred *cred, struct vnode *vp, 649 struct label *vplabel, struct label *label); 650 typedef int (*mpo_vnode_setlabel_extattr_t)(struct ucred *cred, 651 struct vnode *vp, struct label *vplabel, 652 struct label *intlabel); 653 654 struct mac_policy_ops { 655 /* 656 * Policy module operations. 657 */ 658 mpo_destroy_t mpo_destroy; 659 mpo_init_t mpo_init; 660 661 /* 662 * General policy-directed security system call so that policies may 663 * implement new services without reserving explicit system call 664 * numbers. 665 */ 666 mpo_syscall_t mpo_syscall; 667 668 /* 669 * Label operations. Initialize label storage, destroy label 670 * storage, recycle for re-use without init/destroy, copy a label to 671 * initialized storage, and externalize/internalize from/to 672 * initialized storage. 673 */ 674 mpo_bpfdesc_check_receive_t mpo_bpfdesc_check_receive; 675 mpo_bpfdesc_create_t mpo_bpfdesc_create; 676 mpo_bpfdesc_create_mbuf_t mpo_bpfdesc_create_mbuf; 677 mpo_bpfdesc_destroy_label_t mpo_bpfdesc_destroy_label; 678 mpo_bpfdesc_init_label_t mpo_bpfdesc_init_label; 679 680 mpo_cred_associate_nfsd_t mpo_cred_associate_nfsd; 681 mpo_cred_check_relabel_t mpo_cred_check_relabel; 682 mpo_cred_check_visible_t mpo_cred_check_visible; 683 mpo_cred_copy_label_t mpo_cred_copy_label; 684 mpo_cred_create_swapper_t mpo_cred_create_swapper; 685 mpo_cred_create_init_t mpo_cred_create_init; 686 mpo_cred_destroy_label_t mpo_cred_destroy_label; 687 mpo_cred_externalize_label_t mpo_cred_externalize_label; 688 mpo_cred_init_label_t mpo_cred_init_label; 689 mpo_cred_internalize_label_t mpo_cred_internalize_label; 690 mpo_cred_relabel_t mpo_cred_relabel; 691 692 mpo_devfs_create_device_t mpo_devfs_create_device; 693 mpo_devfs_create_directory_t mpo_devfs_create_directory; 694 mpo_devfs_create_symlink_t mpo_devfs_create_symlink; 695 mpo_devfs_destroy_label_t mpo_devfs_destroy_label; 696 mpo_devfs_init_label_t mpo_devfs_init_label; 697 mpo_devfs_update_t mpo_devfs_update; 698 mpo_devfs_vnode_associate_t mpo_devfs_vnode_associate; 699 700 mpo_ifnet_check_relabel_t mpo_ifnet_check_relabel; 701 mpo_ifnet_check_transmit_t mpo_ifnet_check_transmit; 702 mpo_ifnet_copy_label_t mpo_ifnet_copy_label; 703 mpo_ifnet_create_t mpo_ifnet_create; 704 mpo_ifnet_create_mbuf_t mpo_ifnet_create_mbuf; 705 mpo_ifnet_destroy_label_t mpo_ifnet_destroy_label; 706 mpo_ifnet_externalize_label_t mpo_ifnet_externalize_label; 707 mpo_ifnet_init_label_t mpo_ifnet_init_label; 708 mpo_ifnet_internalize_label_t mpo_ifnet_internalize_label; 709 mpo_ifnet_relabel_t mpo_ifnet_relabel; 710 711 mpo_inpcb_check_deliver_t mpo_inpcb_check_deliver; 712 mpo_inpcb_check_visible_t mpo_inpcb_check_visible; 713 mpo_inpcb_create_t mpo_inpcb_create; 714 mpo_inpcb_create_mbuf_t mpo_inpcb_create_mbuf; 715 mpo_inpcb_destroy_label_t mpo_inpcb_destroy_label; 716 mpo_inpcb_init_label_t mpo_inpcb_init_label; 717 mpo_inpcb_sosetlabel_t mpo_inpcb_sosetlabel; 718 719 mpo_ip6q_create_t mpo_ip6q_create; 720 mpo_ip6q_destroy_label_t mpo_ip6q_destroy_label; 721 mpo_ip6q_init_label_t mpo_ip6q_init_label; 722 mpo_ip6q_match_t mpo_ip6q_match; 723 mpo_ip6q_reassemble mpo_ip6q_reassemble; 724 mpo_ip6q_update_t mpo_ip6q_update; 725 726 mpo_ipq_create_t mpo_ipq_create; 727 mpo_ipq_destroy_label_t mpo_ipq_destroy_label; 728 mpo_ipq_init_label_t mpo_ipq_init_label; 729 mpo_ipq_match_t mpo_ipq_match; 730 mpo_ipq_reassemble mpo_ipq_reassemble; 731 mpo_ipq_update_t mpo_ipq_update; 732 733 mpo_kenv_check_dump_t mpo_kenv_check_dump; 734 mpo_kenv_check_get_t mpo_kenv_check_get; 735 mpo_kenv_check_set_t mpo_kenv_check_set; 736 mpo_kenv_check_unset_t mpo_kenv_check_unset; 737 738 mpo_kld_check_load_t mpo_kld_check_load; 739 mpo_kld_check_stat_t mpo_kld_check_stat; 740 741 mpo_mbuf_copy_label_t mpo_mbuf_copy_label; 742 mpo_mbuf_destroy_label_t mpo_mbuf_destroy_label; 743 mpo_mbuf_init_label_t mpo_mbuf_init_label; 744 745 mpo_mount_check_stat_t mpo_mount_check_stat; 746 mpo_mount_create_t mpo_mount_create; 747 mpo_mount_destroy_label_t mpo_mount_destroy_label; 748 mpo_mount_init_label_t mpo_mount_init_label; 749 750 mpo_netatalk_aarp_send_t mpo_netatalk_aarp_send; 751 752 mpo_netinet_arp_send_t mpo_netinet_arp_send; 753 mpo_netinet_firewall_reply_t mpo_netinet_firewall_reply; 754 mpo_netinet_firewall_send_t mpo_netinet_firewall_send; 755 mpo_netinet_fragment_t mpo_netinet_fragment; 756 mpo_netinet_icmp_reply_t mpo_netinet_icmp_reply; 757 mpo_netinet_icmp_replyinplace_t mpo_netinet_icmp_replyinplace; 758 mpo_netinet_igmp_send_t mpo_netinet_igmp_send; 759 mpo_netinet_tcp_reply_t mpo_netinet_tcp_reply; 760 761 mpo_netinet6_nd6_send_t mpo_netinet6_nd6_send; 762 763 mpo_pipe_check_ioctl_t mpo_pipe_check_ioctl; 764 mpo_pipe_check_poll_t mpo_pipe_check_poll; 765 mpo_pipe_check_read_t mpo_pipe_check_read; 766 mpo_pipe_check_relabel_t mpo_pipe_check_relabel; 767 mpo_pipe_check_stat_t mpo_pipe_check_stat; 768 mpo_pipe_check_write_t mpo_pipe_check_write; 769 mpo_pipe_copy_label_t mpo_pipe_copy_label; 770 mpo_pipe_create_t mpo_pipe_create; 771 mpo_pipe_destroy_label_t mpo_pipe_destroy_label; 772 mpo_pipe_externalize_label_t mpo_pipe_externalize_label; 773 mpo_pipe_init_label_t mpo_pipe_init_label; 774 mpo_pipe_internalize_label_t mpo_pipe_internalize_label; 775 mpo_pipe_relabel_t mpo_pipe_relabel; 776 777 mpo_posixsem_check_getvalue_t mpo_posixsem_check_getvalue; 778 mpo_posixsem_check_open_t mpo_posixsem_check_open; 779 mpo_posixsem_check_post_t mpo_posixsem_check_post; 780 mpo_posixsem_check_stat_t mpo_posixsem_check_stat; 781 mpo_posixsem_check_unlink_t mpo_posixsem_check_unlink; 782 mpo_posixsem_check_wait_t mpo_posixsem_check_wait; 783 mpo_posixsem_create_t mpo_posixsem_create; 784 mpo_posixsem_destroy_label_t mpo_posixsem_destroy_label; 785 mpo_posixsem_init_label_t mpo_posixsem_init_label; 786 787 mpo_posixshm_check_mmap_t mpo_posixshm_check_mmap; 788 mpo_posixshm_check_open_t mpo_posixshm_check_open; 789 mpo_posixshm_check_stat_t mpo_posixshm_check_stat; 790 mpo_posixshm_check_truncate_t mpo_posixshm_check_truncate; 791 mpo_posixshm_check_unlink_t mpo_posixshm_check_unlink; 792 mpo_posixshm_create_t mpo_posixshm_create; 793 mpo_posixshm_destroy_label_t mpo_posixshm_destroy_label; 794 mpo_posixshm_init_label_t mpo_posixshm_init_label; 795 796 mpo_priv_check_t mpo_priv_check; 797 mpo_priv_grant_t mpo_priv_grant; 798 799 mpo_proc_check_debug_t mpo_proc_check_debug; 800 mpo_proc_check_sched_t mpo_proc_check_sched; 801 mpo_proc_check_setaudit_t mpo_proc_check_setaudit; 802 mpo_proc_check_setaudit_addr_t mpo_proc_check_setaudit_addr; 803 mpo_proc_check_setauid_t mpo_proc_check_setauid; 804 mpo_proc_check_setuid_t mpo_proc_check_setuid; 805 mpo_proc_check_seteuid_t mpo_proc_check_seteuid; 806 mpo_proc_check_setgid_t mpo_proc_check_setgid; 807 mpo_proc_check_setegid_t mpo_proc_check_setegid; 808 mpo_proc_check_setgroups_t mpo_proc_check_setgroups; 809 mpo_proc_check_setreuid_t mpo_proc_check_setreuid; 810 mpo_proc_check_setregid_t mpo_proc_check_setregid; 811 mpo_proc_check_setresuid_t mpo_proc_check_setresuid; 812 mpo_proc_check_setresgid_t mpo_proc_check_setresgid; 813 mpo_proc_check_signal_t mpo_proc_check_signal; 814 mpo_proc_check_wait_t mpo_proc_check_wait; 815 mpo_proc_destroy_label_t mpo_proc_destroy_label; 816 mpo_proc_init_label_t mpo_proc_init_label; 817 818 mpo_socket_check_accept_t mpo_socket_check_accept; 819 mpo_socket_check_bind_t mpo_socket_check_bind; 820 mpo_socket_check_connect_t mpo_socket_check_connect; 821 mpo_socket_check_create_t mpo_socket_check_create; 822 mpo_socket_check_deliver_t mpo_socket_check_deliver; 823 mpo_socket_check_listen_t mpo_socket_check_listen; 824 mpo_socket_check_poll_t mpo_socket_check_poll; 825 mpo_socket_check_receive_t mpo_socket_check_receive; 826 mpo_socket_check_relabel_t mpo_socket_check_relabel; 827 mpo_socket_check_send_t mpo_socket_check_send; 828 mpo_socket_check_stat_t mpo_socket_check_stat; 829 mpo_socket_check_visible_t mpo_socket_check_visible; 830 mpo_socket_copy_label_t mpo_socket_copy_label; 831 mpo_socket_create_t mpo_socket_create; 832 mpo_socket_create_mbuf_t mpo_socket_create_mbuf; 833 mpo_socket_destroy_label_t mpo_socket_destroy_label; 834 mpo_socket_externalize_label_t mpo_socket_externalize_label; 835 mpo_socket_init_label_t mpo_socket_init_label; 836 mpo_socket_internalize_label_t mpo_socket_internalize_label; 837 mpo_socket_newconn_t mpo_socket_newconn; 838 mpo_socket_relabel_t mpo_socket_relabel; 839 840 mpo_socketpeer_destroy_label_t mpo_socketpeer_destroy_label; 841 mpo_socketpeer_externalize_label_t mpo_socketpeer_externalize_label; 842 mpo_socketpeer_init_label_t mpo_socketpeer_init_label; 843 mpo_socketpeer_set_from_mbuf_t mpo_socketpeer_set_from_mbuf; 844 mpo_socketpeer_set_from_socket_t mpo_socketpeer_set_from_socket; 845 846 mpo_syncache_init_label_t mpo_syncache_init_label; 847 mpo_syncache_destroy_label_t mpo_syncache_destroy_label; 848 mpo_syncache_create_t mpo_syncache_create; 849 mpo_syncache_create_mbuf_t mpo_syncache_create_mbuf; 850 851 mpo_system_check_acct_t mpo_system_check_acct; 852 mpo_system_check_audit_t mpo_system_check_audit; 853 mpo_system_check_auditctl_t mpo_system_check_auditctl; 854 mpo_system_check_auditon_t mpo_system_check_auditon; 855 mpo_system_check_reboot_t mpo_system_check_reboot; 856 mpo_system_check_swapon_t mpo_system_check_swapon; 857 mpo_system_check_swapoff_t mpo_system_check_swapoff; 858 mpo_system_check_sysctl_t mpo_system_check_sysctl; 859 860 mpo_sysvmsg_cleanup_t mpo_sysvmsg_cleanup; 861 mpo_sysvmsg_create_t mpo_sysvmsg_create; 862 mpo_sysvmsg_destroy_label_t mpo_sysvmsg_destroy_label; 863 mpo_sysvmsg_init_label_t mpo_sysvmsg_init_label; 864 865 mpo_sysvmsq_check_msgmsq_t mpo_sysvmsq_check_msgmsq; 866 mpo_sysvmsq_check_msgrcv_t mpo_sysvmsq_check_msgrcv; 867 mpo_sysvmsq_check_msgrmid_t mpo_sysvmsq_check_msgrmid; 868 mpo_sysvmsq_check_msqctl_t mpo_sysvmsq_check_msqctl; 869 mpo_sysvmsq_check_msqget_t mpo_sysvmsq_check_msqget; 870 mpo_sysvmsq_check_msqrcv_t mpo_sysvmsq_check_msqrcv; 871 mpo_sysvmsq_check_msqsnd_t mpo_sysvmsq_check_msqsnd; 872 mpo_sysvmsq_cleanup_t mpo_sysvmsq_cleanup; 873 mpo_sysvmsq_create_t mpo_sysvmsq_create; 874 mpo_sysvmsq_destroy_label_t mpo_sysvmsq_destroy_label; 875 mpo_sysvmsq_init_label_t mpo_sysvmsq_init_label; 876 877 mpo_sysvsem_check_semctl_t mpo_sysvsem_check_semctl; 878 mpo_sysvsem_check_semget_t mpo_sysvsem_check_semget; 879 mpo_sysvsem_check_semop_t mpo_sysvsem_check_semop; 880 mpo_sysvsem_cleanup_t mpo_sysvsem_cleanup; 881 mpo_sysvsem_create_t mpo_sysvsem_create; 882 mpo_sysvsem_destroy_label_t mpo_sysvsem_destroy_label; 883 mpo_sysvsem_init_label_t mpo_sysvsem_init_label; 884 885 mpo_sysvshm_check_shmat_t mpo_sysvshm_check_shmat; 886 mpo_sysvshm_check_shmctl_t mpo_sysvshm_check_shmctl; 887 mpo_sysvshm_check_shmdt_t mpo_sysvshm_check_shmdt; 888 mpo_sysvshm_check_shmget_t mpo_sysvshm_check_shmget; 889 mpo_sysvshm_cleanup_t mpo_sysvshm_cleanup; 890 mpo_sysvshm_create_t mpo_sysvshm_create; 891 mpo_sysvshm_destroy_label_t mpo_sysvshm_destroy_label; 892 mpo_sysvshm_init_label_t mpo_sysvshm_init_label; 893 894 mpo_thread_userret_t mpo_thread_userret; 895 896 mpo_vnode_check_access_t mpo_vnode_check_access; 897 mpo_vnode_check_chdir_t mpo_vnode_check_chdir; 898 mpo_vnode_check_chroot_t mpo_vnode_check_chroot; 899 mpo_vnode_check_create_t mpo_vnode_check_create; 900 mpo_vnode_check_deleteacl_t mpo_vnode_check_deleteacl; 901 mpo_vnode_check_deleteextattr_t mpo_vnode_check_deleteextattr; 902 mpo_vnode_check_exec_t mpo_vnode_check_exec; 903 mpo_vnode_check_getacl_t mpo_vnode_check_getacl; 904 mpo_vnode_check_getextattr_t mpo_vnode_check_getextattr; 905 mpo_vnode_check_link_t mpo_vnode_check_link; 906 mpo_vnode_check_listextattr_t mpo_vnode_check_listextattr; 907 mpo_vnode_check_lookup_t mpo_vnode_check_lookup; 908 mpo_vnode_check_mmap_t mpo_vnode_check_mmap; 909 mpo_vnode_check_mmap_downgrade_t mpo_vnode_check_mmap_downgrade; 910 mpo_vnode_check_mprotect_t mpo_vnode_check_mprotect; 911 mpo_vnode_check_open_t mpo_vnode_check_open; 912 mpo_vnode_check_poll_t mpo_vnode_check_poll; 913 mpo_vnode_check_read_t mpo_vnode_check_read; 914 mpo_vnode_check_readdir_t mpo_vnode_check_readdir; 915 mpo_vnode_check_readlink_t mpo_vnode_check_readlink; 916 mpo_vnode_check_relabel_t mpo_vnode_check_relabel; 917 mpo_vnode_check_rename_from_t mpo_vnode_check_rename_from; 918 mpo_vnode_check_rename_to_t mpo_vnode_check_rename_to; 919 mpo_vnode_check_revoke_t mpo_vnode_check_revoke; 920 mpo_vnode_check_setacl_t mpo_vnode_check_setacl; 921 mpo_vnode_check_setextattr_t mpo_vnode_check_setextattr; 922 mpo_vnode_check_setflags_t mpo_vnode_check_setflags; 923 mpo_vnode_check_setmode_t mpo_vnode_check_setmode; 924 mpo_vnode_check_setowner_t mpo_vnode_check_setowner; 925 mpo_vnode_check_setutimes_t mpo_vnode_check_setutimes; 926 mpo_vnode_check_stat_t mpo_vnode_check_stat; 927 mpo_vnode_check_unlink_t mpo_vnode_check_unlink; 928 mpo_vnode_check_write_t mpo_vnode_check_write; 929 mpo_vnode_associate_extattr_t mpo_vnode_associate_extattr; 930 mpo_vnode_associate_singlelabel_t mpo_vnode_associate_singlelabel; 931 mpo_vnode_destroy_label_t mpo_vnode_destroy_label; 932 mpo_vnode_copy_label_t mpo_vnode_copy_label; 933 mpo_vnode_create_extattr_t mpo_vnode_create_extattr; 934 mpo_vnode_execve_transition_t mpo_vnode_execve_transition; 935 mpo_vnode_execve_will_transition_t mpo_vnode_execve_will_transition; 936 mpo_vnode_externalize_label_t mpo_vnode_externalize_label; 937 mpo_vnode_init_label_t mpo_vnode_init_label; 938 mpo_vnode_internalize_label_t mpo_vnode_internalize_label; 939 mpo_vnode_relabel_t mpo_vnode_relabel; 940 mpo_vnode_setlabel_extattr_t mpo_vnode_setlabel_extattr; 941 }; 942 943 /* 944 * struct mac_policy_conf is the registration structure for policies, and is 945 * provided to the MAC Framework using MAC_POLICY_SET() to invoke a SYSINIT 946 * to register the policy. In general, the fields are immutable, with the 947 * exception of the "security field", run-time flags, and policy list entry, 948 * which are managed by the MAC Framework. Be careful when modifying this 949 * structure, as its layout is statically compiled into all policies. 950 */ 951 struct mac_policy_conf { 952 char *mpc_name; /* policy name */ 953 char *mpc_fullname; /* policy full name */ 954 struct mac_policy_ops *mpc_ops; /* policy operations */ 955 int mpc_loadtime_flags; /* flags */ 956 int *mpc_field_off; /* security field */ 957 int mpc_runtime_flags; /* flags */ 958 int _mpc_spare1; /* Spare. */ 959 uint64_t _mpc_spare2; /* Spare. */ 960 uint64_t _mpc_spare3; /* Spare. */ 961 void *_mpc_spare4; /* Spare. */ 962 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */ 963 }; 964 965 /* Flags for the mpc_loadtime_flags field. */ 966 #define MPC_LOADTIME_FLAG_NOTLATE 0x00000001 967 #define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002 968 969 /* Flags for the mpc_runtime_flags field. */ 970 #define MPC_RUNTIME_FLAG_REGISTERED 0x00000001 971 972 /*- 973 * The TrustedBSD MAC Framework has a major version number, MAC_VERSION, 974 * which defines the ABI of the Framework present in the kernel (and depended 975 * on by policy modules compiled against that kernel). Currently, 976 * MAC_POLICY_SET() requires that the kernel and module ABI version numbers 977 * exactly match. The following major versions have been defined to date: 978 * 979 * MAC version FreeBSD versions 980 * 1 5.x 981 * 2 6.x 982 * 3 7.x 983 * 4 8.x 984 */ 985 #define MAC_VERSION 4 986 987 #define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \ 988 static struct mac_policy_conf mpname##_mac_policy_conf = { \ 989 .mpc_name = #mpname, \ 990 .mpc_fullname = mpfullname, \ 991 .mpc_ops = mpops, \ 992 .mpc_loadtime_flags = mpflags, \ 993 .mpc_field_off = privdata_wanted, \ 994 }; \ 995 static moduledata_t mpname##_mod = { \ 996 #mpname, \ 997 mac_policy_modevent, \ 998 &mpname##_mac_policy_conf \ 999 }; \ 1000 MODULE_DEPEND(mpname, kernel_mac_support, MAC_VERSION, \ 1001 MAC_VERSION, MAC_VERSION); \ 1002 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \ 1003 SI_ORDER_MIDDLE) 1004 1005 int mac_policy_modevent(module_t mod, int type, void *data); 1006 1007 /* 1008 * Policy interface to map a struct label pointer to per-policy data. 1009 * Typically, policies wrap this in their own accessor macro that casts a 1010 * uintptr_t to a policy-specific data type. 1011 */ 1012 intptr_t mac_label_get(struct label *l, int slot); 1013 void mac_label_set(struct label *l, int slot, intptr_t v); 1014 1015 #endif /* !_SECURITY_MAC_MAC_POLICY_H_ */ 1016