1 /*- 2 * Copyright (c) 1999-2002, 2007-2011 Robert N. M. Watson 3 * Copyright (c) 2001-2005 Networks Associates Technology, Inc. 4 * Copyright (c) 2005-2006 SPARTA, Inc. 5 * 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 * This software was developed at the University of Cambridge Computer 19 * Laboratory with support from a grant from Google, Inc. 20 * 21 * Redistribution and use in source and binary forms, with or without 22 * modification, are permitted provided that the following conditions 23 * are met: 24 * 1. Redistributions of source code must retain the above copyright 25 * notice, this list of conditions and the following disclaimer. 26 * 2. Redistributions in binary form must reproduce the above copyright 27 * notice, this list of conditions and the following disclaimer in the 28 * documentation and/or other materials provided with the distribution. 29 * 30 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 33 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 40 * SUCH DAMAGE. 41 */ 42 /* 43 * Kernel interface for MAC policy modules. 44 */ 45 #ifndef _SECURITY_MAC_MAC_POLICY_H_ 46 #define _SECURITY_MAC_MAC_POLICY_H_ 47 48 #ifndef _KERNEL 49 #error "no user-serviceable parts inside" 50 #endif 51 52 /*- 53 * Pluggable access control policy definition structure. 54 * 55 * List of operations that are performed as part of the implementation of a 56 * MAC policy. Policy implementors declare operations with a mac_policy_ops 57 * structure, and using the MAC_POLICY_SET() macro. If an entry point is not 58 * declared, then then the policy will be ignored during evaluation of that 59 * event or check. 60 * 61 * Operations are sorted first by general class of operation, then 62 * alphabetically. 63 */ 64 #include <sys/acl.h> /* XXX acl_type_t */ 65 #include <sys/types.h> /* XXX accmode_t */ 66 67 #include <ddb/ddb.h> /* XXX db_expr_t */ 68 69 struct acl; 70 struct auditinfo; 71 struct auditinfo_addr; 72 struct bpf_d; 73 struct cdev; 74 struct componentname; 75 struct db_command; 76 struct devfs_dirent; 77 struct ifnet; 78 struct image_params; 79 struct inpcb; 80 struct ip6q; 81 struct ipq; 82 struct kdb_dbbe; 83 struct ksem; 84 struct label; 85 struct mac_policy_conf; 86 struct mbuf; 87 struct mount; 88 struct msg; 89 struct msqid_kernel; 90 struct pipepair; 91 struct prison; 92 struct proc; 93 struct sbuf; 94 struct semid_kernel; 95 struct shmfd; 96 struct shmid_kernel; 97 struct sockaddr; 98 struct socket; 99 struct sysctl_oid; 100 struct sysctl_req; 101 struct thread; 102 struct ucred; 103 struct vattr; 104 struct vfsoptlist; 105 struct vnode; 106 107 struct in_addr; 108 struct in6_addr; 109 110 /* 111 * Policy module operations. 112 */ 113 typedef void (*mpo_destroy_t)(struct mac_policy_conf *mpc); 114 typedef void (*mpo_init_t)(struct mac_policy_conf *mpc); 115 116 /* 117 * General policy-directed security system call so that policies may 118 * implement new services without reserving explicit system call numbers. 119 */ 120 typedef int (*mpo_syscall_t)(struct thread *td, int call, void *arg); 121 122 /* 123 * Place-holder function pointers for ABI-compatibility purposes. 124 */ 125 typedef void (*mpo_placeholder_t)(void); 126 127 /* 128 * Operations sorted alphabetically by primary object type and then method. 129 */ 130 typedef int (*mpo_bpfdesc_check_receive_t)(struct bpf_d *d, 131 struct label *dlabel, struct ifnet *ifp, 132 struct label *ifplabel); 133 typedef void (*mpo_bpfdesc_create_t)(struct ucred *cred, 134 struct bpf_d *d, struct label *dlabel); 135 typedef void (*mpo_bpfdesc_create_mbuf_t)(struct bpf_d *d, 136 struct label *dlabel, struct mbuf *m, 137 struct label *mlabel); 138 typedef void (*mpo_bpfdesc_destroy_label_t)(struct label *label); 139 typedef void (*mpo_bpfdesc_init_label_t)(struct label *label); 140 141 typedef void (*mpo_cred_associate_nfsd_t)(struct ucred *cred); 142 typedef int (*mpo_cred_check_relabel_t)(struct ucred *cred, 143 struct label *newlabel); 144 typedef int (*mpo_cred_check_setaudit_t)(struct ucred *cred, 145 struct auditinfo *ai); 146 typedef int (*mpo_cred_check_setaudit_addr_t)(struct ucred *cred, 147 struct auditinfo_addr *aia); 148 typedef int (*mpo_cred_check_setauid_t)(struct ucred *cred, uid_t auid); 149 typedef void (*mpo_cred_setcred_enter_t)(void); 150 typedef int (*mpo_cred_check_setcred_t)(u_int flags, 151 const struct ucred *old_cred, struct ucred *new_cred); 152 typedef void (*mpo_cred_setcred_exit_t)(void); 153 typedef int (*mpo_cred_check_setegid_t)(struct ucred *cred, gid_t egid); 154 typedef int (*mpo_cred_check_seteuid_t)(struct ucred *cred, uid_t euid); 155 typedef int (*mpo_cred_check_setgid_t)(struct ucred *cred, gid_t gid); 156 typedef int (*mpo_cred_check_setgroups_t)(struct ucred *cred, int ngroups, 157 gid_t *gidset); 158 typedef int (*mpo_cred_check_setregid_t)(struct ucred *cred, gid_t rgid, 159 gid_t egid); 160 typedef int (*mpo_cred_check_setresgid_t)(struct ucred *cred, gid_t rgid, 161 gid_t egid, gid_t sgid); 162 typedef int (*mpo_cred_check_setresuid_t)(struct ucred *cred, uid_t ruid, 163 uid_t euid, uid_t suid); 164 typedef int (*mpo_cred_check_setreuid_t)(struct ucred *cred, uid_t ruid, 165 uid_t euid); 166 typedef int (*mpo_cred_check_setuid_t)(struct ucred *cred, uid_t uid); 167 typedef int (*mpo_cred_check_visible_t)(struct ucred *cr1, 168 struct ucred *cr2); 169 typedef void (*mpo_cred_copy_label_t)(struct label *src, 170 struct label *dest); 171 typedef void (*mpo_cred_create_init_t)(struct ucred *cred); 172 typedef void (*mpo_cred_create_kproc0_t)(struct ucred *cred); 173 typedef void (*mpo_cred_destroy_label_t)(struct label *label); 174 typedef int (*mpo_cred_externalize_label_t)(struct label *label, 175 char *element_name, struct sbuf *sb, int *claimed); 176 typedef void (*mpo_cred_init_label_t)(struct label *label); 177 typedef int (*mpo_cred_internalize_label_t)(struct label *label, 178 char *element_name, char *element_data, int *claimed); 179 typedef void (*mpo_cred_relabel_t)(struct ucred *cred, 180 struct label *newlabel); 181 182 typedef int (*mpo_ddb_command_register_t)(struct db_command_table *table, 183 struct db_command *cmd); 184 typedef int (*mpo_ddb_command_exec_t)(struct db_command *cmd, 185 db_expr_t addr, bool have_addr, db_expr_t count, 186 char *modif); 187 188 typedef void (*mpo_devfs_create_device_t)(struct ucred *cred, 189 struct mount *mp, struct cdev *dev, 190 struct devfs_dirent *de, struct label *delabel); 191 typedef void (*mpo_devfs_create_directory_t)(struct mount *mp, 192 char *dirname, int dirnamelen, struct devfs_dirent *de, 193 struct label *delabel); 194 typedef void (*mpo_devfs_create_symlink_t)(struct ucred *cred, 195 struct mount *mp, struct devfs_dirent *dd, 196 struct label *ddlabel, struct devfs_dirent *de, 197 struct label *delabel); 198 typedef void (*mpo_devfs_destroy_label_t)(struct label *label); 199 typedef void (*mpo_devfs_init_label_t)(struct label *label); 200 typedef void (*mpo_devfs_update_t)(struct mount *mp, 201 struct devfs_dirent *de, struct label *delabel, 202 struct vnode *vp, struct label *vplabel); 203 typedef void (*mpo_devfs_vnode_associate_t)(struct mount *mp, 204 struct label *mplabel, struct devfs_dirent *de, 205 struct label *delabel, struct vnode *vp, 206 struct label *vplabel); 207 208 typedef int (*mpo_ifnet_check_relabel_t)(struct ucred *cred, 209 struct ifnet *ifp, struct label *ifplabel, 210 struct label *newlabel); 211 typedef int (*mpo_ifnet_check_transmit_t)(struct ifnet *ifp, 212 struct label *ifplabel, struct mbuf *m, 213 struct label *mlabel); 214 typedef void (*mpo_ifnet_copy_label_t)(struct label *src, 215 struct label *dest); 216 typedef void (*mpo_ifnet_create_t)(struct ifnet *ifp, 217 struct label *ifplabel); 218 typedef void (*mpo_ifnet_create_mbuf_t)(struct ifnet *ifp, 219 struct label *ifplabel, struct mbuf *m, 220 struct label *mlabel); 221 typedef void (*mpo_ifnet_destroy_label_t)(struct label *label); 222 typedef int (*mpo_ifnet_externalize_label_t)(struct label *label, 223 char *element_name, struct sbuf *sb, int *claimed); 224 typedef void (*mpo_ifnet_init_label_t)(struct label *label); 225 typedef int (*mpo_ifnet_internalize_label_t)(struct label *label, 226 char *element_name, char *element_data, int *claimed); 227 typedef void (*mpo_ifnet_relabel_t)(struct ucred *cred, struct ifnet *ifp, 228 struct label *ifplabel, struct label *newlabel); 229 230 typedef int (*mpo_inpcb_check_deliver_t)(struct inpcb *inp, 231 struct label *inplabel, struct mbuf *m, 232 struct label *mlabel); 233 typedef int (*mpo_inpcb_check_visible_t)(struct ucred *cred, 234 struct inpcb *inp, struct label *inplabel); 235 typedef void (*mpo_inpcb_create_t)(struct socket *so, 236 struct label *solabel, struct inpcb *inp, 237 struct label *inplabel); 238 typedef void (*mpo_inpcb_create_mbuf_t)(struct inpcb *inp, 239 struct label *inplabel, struct mbuf *m, 240 struct label *mlabel); 241 typedef void (*mpo_inpcb_destroy_label_t)(struct label *label); 242 typedef int (*mpo_inpcb_init_label_t)(struct label *label, int flag); 243 typedef void (*mpo_inpcb_sosetlabel_t)(struct socket *so, 244 struct label *label, struct inpcb *inp, 245 struct label *inplabel); 246 247 typedef void (*mpo_ip6q_create_t)(struct mbuf *m, struct label *mlabel, 248 struct ip6q *q6, struct label *q6label); 249 typedef void (*mpo_ip6q_destroy_label_t)(struct label *label); 250 typedef int (*mpo_ip6q_init_label_t)(struct label *label, int flag); 251 typedef int (*mpo_ip6q_match_t)(struct mbuf *m, struct label *mlabel, 252 struct ip6q *q6, struct label *q6label); 253 typedef void (*mpo_ip6q_reassemble)(struct ip6q *q6, struct label *q6label, 254 struct mbuf *m, struct label *mlabel); 255 typedef void (*mpo_ip6q_update_t)(struct mbuf *m, struct label *mlabel, 256 struct ip6q *q6, struct label *q6label); 257 258 /* Policy ops checking IPv4 and IPv6 address for ipacl. */ 259 typedef int (*mpo_ip4_check_jail_t)(struct ucred *cred, 260 const struct in_addr *ia, struct ifnet *ifp); 261 typedef int (*mpo_ip6_check_jail_t)(struct ucred *cred, 262 const struct in6_addr *ia6, struct ifnet *ifp); 263 264 typedef void (*mpo_ipq_create_t)(struct mbuf *m, struct label *mlabel, 265 struct ipq *q, struct label *qlabel); 266 typedef void (*mpo_ipq_destroy_label_t)(struct label *label); 267 typedef int (*mpo_ipq_init_label_t)(struct label *label, int flag); 268 typedef int (*mpo_ipq_match_t)(struct mbuf *m, struct label *mlabel, 269 struct ipq *q, struct label *qlabel); 270 typedef void (*mpo_ipq_reassemble)(struct ipq *q, struct label *qlabel, 271 struct mbuf *m, struct label *mlabel); 272 typedef void (*mpo_ipq_update_t)(struct mbuf *m, struct label *mlabel, 273 struct ipq *q, struct label *qlabel); 274 275 typedef int (*mpo_kdb_check_backend_t)(struct kdb_dbbe *be); 276 277 typedef int (*mpo_kenv_check_dump_t)(struct ucred *cred); 278 typedef int (*mpo_kenv_check_get_t)(struct ucred *cred, char *name); 279 typedef int (*mpo_kenv_check_set_t)(struct ucred *cred, char *name, 280 char *value); 281 typedef int (*mpo_kenv_check_unset_t)(struct ucred *cred, char *name); 282 283 typedef int (*mpo_kld_check_load_t)(struct ucred *cred, struct vnode *vp, 284 struct label *vplabel); 285 typedef int (*mpo_kld_check_stat_t)(struct ucred *cred); 286 287 typedef void (*mpo_mbuf_copy_label_t)(struct label *src, 288 struct label *dest); 289 typedef void (*mpo_mbuf_destroy_label_t)(struct label *label); 290 typedef int (*mpo_mbuf_init_label_t)(struct label *label, int flag); 291 292 typedef int (*mpo_mount_check_stat_t)(struct ucred *cred, 293 struct mount *mp, struct label *mplabel); 294 typedef void (*mpo_mount_create_t)(struct ucred *cred, struct mount *mp, 295 struct label *mplabel); 296 typedef void (*mpo_mount_destroy_label_t)(struct label *label); 297 typedef void (*mpo_mount_init_label_t)(struct label *label); 298 299 typedef void (*mpo_netinet_arp_send_t)(struct ifnet *ifp, 300 struct label *ifplabel, struct mbuf *m, 301 struct label *mlabel); 302 typedef void (*mpo_netinet_firewall_reply_t)(struct mbuf *mrecv, 303 struct label *mrecvlabel, struct mbuf *msend, 304 struct label *msendlabel); 305 typedef void (*mpo_netinet_firewall_send_t)(struct mbuf *m, 306 struct label *mlabel); 307 typedef void (*mpo_netinet_fragment_t)(struct mbuf *m, 308 struct label *mlabel, struct mbuf *frag, 309 struct label *fraglabel); 310 typedef void (*mpo_netinet_icmp_reply_t)(struct mbuf *mrecv, 311 struct label *mrecvlabel, struct mbuf *msend, 312 struct label *msendlabel); 313 typedef void (*mpo_netinet_icmp_replyinplace_t)(struct mbuf *m, 314 struct label *mlabel); 315 typedef void (*mpo_netinet_igmp_send_t)(struct ifnet *ifp, 316 struct label *ifplabel, struct mbuf *m, 317 struct label *mlabel); 318 typedef void (*mpo_netinet_tcp_reply_t)(struct mbuf *m, 319 struct label *mlabel); 320 321 typedef void (*mpo_netinet6_nd6_send_t)(struct ifnet *ifp, 322 struct label *ifplabel, struct mbuf *m, 323 struct label *mlabel); 324 325 typedef int (*mpo_pipe_check_ioctl_t)(struct ucred *cred, 326 struct pipepair *pp, struct label *pplabel, 327 unsigned long cmd, void *data); 328 typedef int (*mpo_pipe_check_poll_t)(struct ucred *cred, 329 struct pipepair *pp, struct label *pplabel); 330 typedef int (*mpo_pipe_check_read_t)(struct ucred *cred, 331 struct pipepair *pp, struct label *pplabel); 332 typedef int (*mpo_pipe_check_relabel_t)(struct ucred *cred, 333 struct pipepair *pp, struct label *pplabel, 334 struct label *newlabel); 335 typedef int (*mpo_pipe_check_stat_t)(struct ucred *cred, 336 struct pipepair *pp, struct label *pplabel); 337 typedef int (*mpo_pipe_check_write_t)(struct ucred *cred, 338 struct pipepair *pp, struct label *pplabel); 339 typedef void (*mpo_pipe_copy_label_t)(struct label *src, 340 struct label *dest); 341 typedef void (*mpo_pipe_create_t)(struct ucred *cred, struct pipepair *pp, 342 struct label *pplabel); 343 typedef void (*mpo_pipe_destroy_label_t)(struct label *label); 344 typedef int (*mpo_pipe_externalize_label_t)(struct label *label, 345 char *element_name, struct sbuf *sb, int *claimed); 346 typedef void (*mpo_pipe_init_label_t)(struct label *label); 347 typedef int (*mpo_pipe_internalize_label_t)(struct label *label, 348 char *element_name, char *element_data, int *claimed); 349 typedef void (*mpo_pipe_relabel_t)(struct ucred *cred, struct pipepair *pp, 350 struct label *oldlabel, struct label *newlabel); 351 352 typedef int (*mpo_posixsem_check_getvalue_t)(struct ucred *active_cred, 353 struct ucred *file_cred, struct ksem *ks, 354 struct label *kslabel); 355 typedef int (*mpo_posixsem_check_open_t)(struct ucred *cred, 356 struct ksem *ks, struct label *kslabel); 357 typedef int (*mpo_posixsem_check_post_t)(struct ucred *active_cred, 358 struct ucred *file_cred, struct ksem *ks, 359 struct label *kslabel); 360 typedef int (*mpo_posixsem_check_setmode_t)(struct ucred *cred, 361 struct ksem *ks, struct label *shmlabel, 362 mode_t mode); 363 typedef int (*mpo_posixsem_check_setowner_t)(struct ucred *cred, 364 struct ksem *ks, struct label *shmlabel, 365 uid_t uid, gid_t gid); 366 typedef int (*mpo_posixsem_check_stat_t)(struct ucred *active_cred, 367 struct ucred *file_cred, struct ksem *ks, 368 struct label *kslabel); 369 typedef int (*mpo_posixsem_check_unlink_t)(struct ucred *cred, 370 struct ksem *ks, struct label *kslabel); 371 typedef int (*mpo_posixsem_check_wait_t)(struct ucred *active_cred, 372 struct ucred *file_cred, struct ksem *ks, 373 struct label *kslabel); 374 typedef void (*mpo_posixsem_create_t)(struct ucred *cred, 375 struct ksem *ks, struct label *kslabel); 376 typedef void (*mpo_posixsem_destroy_label_t)(struct label *label); 377 typedef void (*mpo_posixsem_init_label_t)(struct label *label); 378 379 typedef int (*mpo_posixshm_check_create_t)(struct ucred *cred, 380 const char *path); 381 typedef int (*mpo_posixshm_check_mmap_t)(struct ucred *cred, 382 struct shmfd *shmfd, struct label *shmlabel, int prot, 383 int flags); 384 typedef int (*mpo_posixshm_check_open_t)(struct ucred *cred, 385 struct shmfd *shmfd, struct label *shmlabel, 386 accmode_t accmode); 387 typedef int (*mpo_posixshm_check_read_t)(struct ucred *active_cred, 388 struct ucred *file_cred, struct shmfd *shmfd, 389 struct label *shmlabel); 390 typedef int (*mpo_posixshm_check_setmode_t)(struct ucred *cred, 391 struct shmfd *shmfd, struct label *shmlabel, 392 mode_t mode); 393 typedef int (*mpo_posixshm_check_setowner_t)(struct ucred *cred, 394 struct shmfd *shmfd, struct label *shmlabel, 395 uid_t uid, gid_t gid); 396 typedef int (*mpo_posixshm_check_stat_t)(struct ucred *active_cred, 397 struct ucred *file_cred, struct shmfd *shmfd, 398 struct label *shmlabel); 399 typedef int (*mpo_posixshm_check_truncate_t)(struct ucred *active_cred, 400 struct ucred *file_cred, struct shmfd *shmfd, 401 struct label *shmlabel); 402 typedef int (*mpo_posixshm_check_unlink_t)(struct ucred *cred, 403 struct shmfd *shmfd, struct label *shmlabel); 404 typedef int (*mpo_posixshm_check_write_t)(struct ucred *active_cred, 405 struct ucred *file_cred, struct shmfd *shmfd, 406 struct label *shmlabel); 407 typedef void (*mpo_posixshm_create_t)(struct ucred *cred, 408 struct shmfd *shmfd, struct label *shmlabel); 409 typedef void (*mpo_posixshm_destroy_label_t)(struct label *label); 410 typedef void (*mpo_posixshm_init_label_t)(struct label *label); 411 412 typedef int (*mpo_prison_init_label_t)(struct label *label, int flag); 413 typedef int (*mpo_prison_check_relabel_t)(struct ucred *cred, 414 struct prison *pr, struct label *prlabel, 415 struct label *newlabel); 416 typedef void (*mpo_prison_destroy_label_t)(struct label *label); 417 typedef void (*mpo_prison_copy_label_t)(struct label *src, 418 struct label *dest); 419 typedef int (*mpo_prison_externalize_label_t)(struct label *label, 420 char *element_name, struct sbuf *sb, int *claimed); 421 typedef int (*mpo_prison_internalize_label_t)(struct label *label, 422 char *element_name, char *element_data, int *claimed); 423 typedef void (*mpo_prison_relabel_t)(struct ucred *cred, struct prison *pr, 424 struct label *prlabel, struct label *newlabel); 425 typedef int (*mpo_prison_check_attach_t)(struct ucred *cred, 426 struct prison *pr, struct label *prlabel); 427 typedef int (*mpo_prison_check_create_t)(struct ucred *cred, 428 struct vfsoptlist *opts, int flags); 429 typedef int (*mpo_prison_check_get_t)(struct ucred *cred, 430 struct prison *pr, struct label *prlabel, 431 struct vfsoptlist *opts, int flags); 432 typedef int (*mpo_prison_check_set_t)(struct ucred *cred, 433 struct prison *pr, struct label *prlabel, 434 struct vfsoptlist *opts, int flags); 435 typedef int (*mpo_prison_check_remove_t)(struct ucred *cred, 436 struct prison *pr, struct label *prlabel); 437 typedef void (*mpo_prison_created_t)(struct ucred *cred, 438 struct prison *pr, struct label *prlabel); 439 typedef void (*mpo_prison_cleanup_t)(struct ucred *cred, 440 struct prison *pr); 441 typedef void (*mpo_prison_attached_t)(struct ucred *cred, 442 struct prison *pr, struct label *prlabel, struct proc *p, 443 struct label *proclabel); 444 445 typedef int (*mpo_priv_check_t)(struct ucred *cred, int priv); 446 typedef int (*mpo_priv_grant_t)(struct ucred *cred, int priv); 447 448 typedef int (*mpo_proc_check_debug_t)(struct ucred *cred, 449 struct proc *p); 450 typedef int (*mpo_proc_check_sched_t)(struct ucred *cred, 451 struct proc *p); 452 typedef int (*mpo_proc_check_signal_t)(struct ucred *cred, 453 struct proc *proc, int signum); 454 typedef int (*mpo_proc_check_wait_t)(struct ucred *cred, 455 struct proc *proc); 456 typedef void (*mpo_proc_destroy_label_t)(struct label *label); 457 typedef void (*mpo_proc_init_label_t)(struct label *label); 458 459 typedef int (*mpo_socket_check_accept_t)(struct ucred *cred, 460 struct socket *so, struct label *solabel); 461 typedef int (*mpo_socket_check_bind_t)(struct ucred *cred, 462 struct socket *so, struct label *solabel, 463 struct sockaddr *sa); 464 typedef int (*mpo_socket_check_connect_t)(struct ucred *cred, 465 struct socket *so, struct label *solabel, 466 struct sockaddr *sa); 467 typedef int (*mpo_socket_check_create_t)(struct ucred *cred, int domain, 468 int type, int protocol); 469 typedef int (*mpo_socket_check_deliver_t)(struct socket *so, 470 struct label *solabel, struct mbuf *m, 471 struct label *mlabel); 472 typedef int (*mpo_socket_check_listen_t)(struct ucred *cred, 473 struct socket *so, struct label *solabel); 474 typedef int (*mpo_socket_check_poll_t)(struct ucred *cred, 475 struct socket *so, struct label *solabel); 476 typedef int (*mpo_socket_check_receive_t)(struct ucred *cred, 477 struct socket *so, struct label *solabel); 478 typedef int (*mpo_socket_check_relabel_t)(struct ucred *cred, 479 struct socket *so, struct label *solabel, 480 struct label *newlabel); 481 typedef int (*mpo_socket_check_send_t)(struct ucred *cred, 482 struct socket *so, struct label *solabel); 483 typedef int (*mpo_socket_check_stat_t)(struct ucred *cred, 484 struct socket *so, struct label *solabel); 485 typedef int (*mpo_socket_check_visible_t)(struct ucred *cred, 486 struct socket *so, struct label *solabel); 487 typedef void (*mpo_socket_copy_label_t)(struct label *src, 488 struct label *dest); 489 typedef void (*mpo_socket_create_t)(struct ucred *cred, struct socket *so, 490 struct label *solabel); 491 typedef void (*mpo_socket_create_mbuf_t)(struct socket *so, 492 struct label *solabel, struct mbuf *m, 493 struct label *mlabel); 494 typedef void (*mpo_socket_destroy_label_t)(struct label *label); 495 typedef int (*mpo_socket_externalize_label_t)(struct label *label, 496 char *element_name, struct sbuf *sb, int *claimed); 497 typedef int (*mpo_socket_init_label_t)(struct label *label, int flag); 498 typedef int (*mpo_socket_internalize_label_t)(struct label *label, 499 char *element_name, char *element_data, int *claimed); 500 typedef void (*mpo_socket_newconn_t)(struct socket *oldso, 501 struct label *oldsolabel, struct socket *newso, 502 struct label *newsolabel); 503 typedef void (*mpo_socket_relabel_t)(struct ucred *cred, struct socket *so, 504 struct label *oldlabel, struct label *newlabel); 505 506 typedef void (*mpo_socketpeer_destroy_label_t)(struct label *label); 507 typedef int (*mpo_socketpeer_externalize_label_t)(struct label *label, 508 char *element_name, struct sbuf *sb, int *claimed); 509 typedef int (*mpo_socketpeer_init_label_t)(struct label *label, 510 int flag); 511 typedef void (*mpo_socketpeer_set_from_mbuf_t)(struct mbuf *m, 512 struct label *mlabel, struct socket *so, 513 struct label *sopeerlabel); 514 typedef void (*mpo_socketpeer_set_from_socket_t)(struct socket *oldso, 515 struct label *oldsolabel, struct socket *newso, 516 struct label *newsopeerlabel); 517 518 typedef void (*mpo_syncache_create_t)(struct label *label, 519 struct inpcb *inp); 520 typedef void (*mpo_syncache_create_mbuf_t)(struct label *sc_label, 521 struct mbuf *m, struct label *mlabel); 522 typedef void (*mpo_syncache_destroy_label_t)(struct label *label); 523 typedef int (*mpo_syncache_init_label_t)(struct label *label, int flag); 524 525 typedef int (*mpo_system_check_acct_t)(struct ucred *cred, 526 struct vnode *vp, struct label *vplabel); 527 typedef int (*mpo_system_check_audit_t)(struct ucred *cred, void *record, 528 int length); 529 typedef int (*mpo_system_check_auditctl_t)(struct ucred *cred, 530 struct vnode *vp, struct label *vplabel); 531 typedef int (*mpo_system_check_auditon_t)(struct ucred *cred, int cmd); 532 typedef int (*mpo_system_check_reboot_t)(struct ucred *cred, int howto); 533 typedef int (*mpo_system_check_swapon_t)(struct ucred *cred, 534 struct vnode *vp, struct label *vplabel); 535 typedef int (*mpo_system_check_swapoff_t)(struct ucred *cred, 536 struct vnode *vp, struct label *vplabel); 537 typedef int (*mpo_system_check_sysctl_t)(struct ucred *cred, 538 struct sysctl_oid *oidp, void *arg1, int arg2, 539 struct sysctl_req *req); 540 541 typedef void (*mpo_sysvmsg_cleanup_t)(struct label *msglabel); 542 typedef void (*mpo_sysvmsg_create_t)(struct ucred *cred, 543 struct msqid_kernel *msqkptr, struct label *msqlabel, 544 struct msg *msgptr, struct label *msglabel); 545 typedef void (*mpo_sysvmsg_destroy_label_t)(struct label *label); 546 typedef void (*mpo_sysvmsg_init_label_t)(struct label *label); 547 548 typedef int (*mpo_sysvmsq_check_msgmsq_t)(struct ucred *cred, 549 struct msg *msgptr, struct label *msglabel, 550 struct msqid_kernel *msqkptr, struct label *msqklabel); 551 typedef int (*mpo_sysvmsq_check_msgrcv_t)(struct ucred *cred, 552 struct msg *msgptr, struct label *msglabel); 553 typedef int (*mpo_sysvmsq_check_msgrmid_t)(struct ucred *cred, 554 struct msg *msgptr, struct label *msglabel); 555 typedef int (*mpo_sysvmsq_check_msqget_t)(struct ucred *cred, 556 struct msqid_kernel *msqkptr, struct label *msqklabel); 557 typedef int (*mpo_sysvmsq_check_msqctl_t)(struct ucred *cred, 558 struct msqid_kernel *msqkptr, struct label *msqklabel, 559 int cmd); 560 typedef int (*mpo_sysvmsq_check_msqrcv_t)(struct ucred *cred, 561 struct msqid_kernel *msqkptr, struct label *msqklabel); 562 typedef int (*mpo_sysvmsq_check_msqsnd_t)(struct ucred *cred, 563 struct msqid_kernel *msqkptr, struct label *msqklabel); 564 typedef void (*mpo_sysvmsq_cleanup_t)(struct label *msqlabel); 565 typedef void (*mpo_sysvmsq_create_t)(struct ucred *cred, 566 struct msqid_kernel *msqkptr, struct label *msqlabel); 567 typedef void (*mpo_sysvmsq_destroy_label_t)(struct label *label); 568 typedef void (*mpo_sysvmsq_init_label_t)(struct label *label); 569 570 typedef int (*mpo_sysvsem_check_semctl_t)(struct ucred *cred, 571 struct semid_kernel *semakptr, struct label *semaklabel, 572 int cmd); 573 typedef int (*mpo_sysvsem_check_semget_t)(struct ucred *cred, 574 struct semid_kernel *semakptr, struct label *semaklabel); 575 typedef int (*mpo_sysvsem_check_semop_t)(struct ucred *cred, 576 struct semid_kernel *semakptr, struct label *semaklabel, 577 size_t accesstype); 578 typedef void (*mpo_sysvsem_cleanup_t)(struct label *semalabel); 579 typedef void (*mpo_sysvsem_create_t)(struct ucred *cred, 580 struct semid_kernel *semakptr, struct label *semalabel); 581 typedef void (*mpo_sysvsem_destroy_label_t)(struct label *label); 582 typedef void (*mpo_sysvsem_init_label_t)(struct label *label); 583 584 typedef int (*mpo_sysvshm_check_shmat_t)(struct ucred *cred, 585 struct shmid_kernel *shmsegptr, 586 struct label *shmseglabel, int shmflg); 587 typedef int (*mpo_sysvshm_check_shmctl_t)(struct ucred *cred, 588 struct shmid_kernel *shmsegptr, 589 struct label *shmseglabel, int cmd); 590 typedef int (*mpo_sysvshm_check_shmdt_t)(struct ucred *cred, 591 struct shmid_kernel *shmsegptr, 592 struct label *shmseglabel); 593 typedef int (*mpo_sysvshm_check_shmget_t)(struct ucred *cred, 594 struct shmid_kernel *shmsegptr, 595 struct label *shmseglabel, int shmflg); 596 typedef void (*mpo_sysvshm_cleanup_t)(struct label *shmlabel); 597 typedef void (*mpo_sysvshm_create_t)(struct ucred *cred, 598 struct shmid_kernel *shmsegptr, struct label *shmlabel); 599 typedef void (*mpo_sysvshm_destroy_label_t)(struct label *label); 600 typedef void (*mpo_sysvshm_init_label_t)(struct label *label); 601 602 typedef void (*mpo_thread_userret_t)(struct thread *thread); 603 604 typedef int (*mpo_vnode_associate_extattr_t)(struct mount *mp, 605 struct label *mplabel, struct vnode *vp, 606 struct label *vplabel); 607 typedef void (*mpo_vnode_associate_singlelabel_t)(struct mount *mp, 608 struct label *mplabel, struct vnode *vp, 609 struct label *vplabel); 610 typedef int (*mpo_vnode_check_access_t)(struct ucred *cred, 611 struct vnode *vp, struct label *vplabel, 612 accmode_t accmode); 613 typedef int (*mpo_vnode_check_chdir_t)(struct ucred *cred, 614 struct vnode *dvp, struct label *dvplabel); 615 typedef int (*mpo_vnode_check_chroot_t)(struct ucred *cred, 616 struct vnode *dvp, struct label *dvplabel); 617 typedef int (*mpo_vnode_check_create_t)(struct ucred *cred, 618 struct vnode *dvp, struct label *dvplabel, 619 struct componentname *cnp, struct vattr *vap); 620 typedef int (*mpo_vnode_check_deleteacl_t)(struct ucred *cred, 621 struct vnode *vp, struct label *vplabel, 622 acl_type_t type); 623 typedef int (*mpo_vnode_check_deleteextattr_t)(struct ucred *cred, 624 struct vnode *vp, struct label *vplabel, 625 int attrnamespace, const char *name); 626 typedef int (*mpo_vnode_check_exec_t)(struct ucred *cred, 627 struct vnode *vp, struct label *vplabel, 628 struct image_params *imgp, struct label *execlabel); 629 typedef int (*mpo_vnode_check_getacl_t)(struct ucred *cred, 630 struct vnode *vp, struct label *vplabel, 631 acl_type_t type); 632 typedef int (*mpo_vnode_check_getextattr_t)(struct ucred *cred, 633 struct vnode *vp, struct label *vplabel, 634 int attrnamespace, const char *name); 635 typedef int (*mpo_vnode_check_link_t)(struct ucred *cred, 636 struct vnode *dvp, struct label *dvplabel, 637 struct vnode *vp, struct label *vplabel, 638 struct componentname *cnp); 639 typedef int (*mpo_vnode_check_listextattr_t)(struct ucred *cred, 640 struct vnode *vp, struct label *vplabel, 641 int attrnamespace); 642 typedef int (*mpo_vnode_check_lookup_t)(struct ucred *cred, 643 struct vnode *dvp, struct label *dvplabel, 644 struct componentname *cnp); 645 typedef int (*mpo_vnode_check_mmap_t)(struct ucred *cred, 646 struct vnode *vp, struct label *label, int prot, 647 int flags); 648 typedef void (*mpo_vnode_check_mmap_downgrade_t)(struct ucred *cred, 649 struct vnode *vp, struct label *vplabel, int *prot); 650 typedef int (*mpo_vnode_check_mprotect_t)(struct ucred *cred, 651 struct vnode *vp, struct label *vplabel, int prot); 652 typedef int (*mpo_vnode_check_open_t)(struct ucred *cred, 653 struct vnode *vp, struct label *vplabel, 654 accmode_t accmode); 655 typedef int (*mpo_vnode_check_poll_t)(struct ucred *active_cred, 656 struct ucred *file_cred, struct vnode *vp, 657 struct label *vplabel); 658 typedef int (*mpo_vnode_check_read_t)(struct ucred *active_cred, 659 struct ucred *file_cred, struct vnode *vp, 660 struct label *vplabel); 661 typedef int (*mpo_vnode_check_readdir_t)(struct ucred *cred, 662 struct vnode *dvp, struct label *dvplabel); 663 typedef int (*mpo_vnode_check_readlink_t)(struct ucred *cred, 664 struct vnode *vp, struct label *vplabel); 665 typedef int (*mpo_vnode_check_relabel_t)(struct ucred *cred, 666 struct vnode *vp, struct label *vplabel, 667 struct label *newlabel); 668 typedef int (*mpo_vnode_check_rename_from_t)(struct ucred *cred, 669 struct vnode *dvp, struct label *dvplabel, 670 struct vnode *vp, struct label *vplabel, 671 struct componentname *cnp); 672 typedef int (*mpo_vnode_check_rename_to_t)(struct ucred *cred, 673 struct vnode *dvp, struct label *dvplabel, 674 struct vnode *vp, struct label *vplabel, int samedir, 675 struct componentname *cnp); 676 typedef int (*mpo_vnode_check_revoke_t)(struct ucred *cred, 677 struct vnode *vp, struct label *vplabel); 678 typedef int (*mpo_vnode_check_setacl_t)(struct ucred *cred, 679 struct vnode *vp, struct label *vplabel, acl_type_t type, 680 struct acl *acl); 681 typedef int (*mpo_vnode_check_setextattr_t)(struct ucred *cred, 682 struct vnode *vp, struct label *vplabel, 683 int attrnamespace, const char *name); 684 typedef int (*mpo_vnode_check_setflags_t)(struct ucred *cred, 685 struct vnode *vp, struct label *vplabel, u_long flags); 686 typedef int (*mpo_vnode_check_setmode_t)(struct ucred *cred, 687 struct vnode *vp, struct label *vplabel, mode_t mode); 688 typedef int (*mpo_vnode_check_setowner_t)(struct ucred *cred, 689 struct vnode *vp, struct label *vplabel, uid_t uid, 690 gid_t gid); 691 typedef int (*mpo_vnode_check_setutimes_t)(struct ucred *cred, 692 struct vnode *vp, struct label *vplabel, 693 struct timespec atime, struct timespec mtime); 694 typedef int (*mpo_vnode_check_stat_t)(struct ucred *active_cred, 695 struct ucred *file_cred, struct vnode *vp, 696 struct label *vplabel); 697 typedef int (*mpo_vnode_check_unlink_t)(struct ucred *cred, 698 struct vnode *dvp, struct label *dvplabel, 699 struct vnode *vp, struct label *vplabel, 700 struct componentname *cnp); 701 typedef int (*mpo_vnode_check_write_t)(struct ucred *active_cred, 702 struct ucred *file_cred, struct vnode *vp, 703 struct label *vplabel); 704 typedef void (*mpo_vnode_copy_label_t)(struct label *src, 705 struct label *dest); 706 typedef int (*mpo_vnode_create_extattr_t)(struct ucred *cred, 707 struct mount *mp, struct label *mplabel, 708 struct vnode *dvp, struct label *dvplabel, 709 struct vnode *vp, struct label *vplabel, 710 struct componentname *cnp); 711 typedef void (*mpo_vnode_destroy_label_t)(struct label *label); 712 typedef void (*mpo_vnode_execve_transition_t)(struct ucred *old, 713 struct ucred *new, struct vnode *vp, 714 struct label *vplabel, struct label *interpvplabel, 715 struct image_params *imgp, struct label *execlabel); 716 typedef int (*mpo_vnode_execve_will_transition_t)(struct ucred *old, 717 struct vnode *vp, struct label *vplabel, 718 struct label *interpvplabel, struct image_params *imgp, 719 struct label *execlabel); 720 typedef int (*mpo_vnode_externalize_label_t)(struct label *label, 721 char *element_name, struct sbuf *sb, int *claimed); 722 typedef void (*mpo_vnode_init_label_t)(struct label *label); 723 typedef int (*mpo_vnode_internalize_label_t)(struct label *label, 724 char *element_name, char *element_data, int *claimed); 725 typedef void (*mpo_vnode_relabel_t)(struct ucred *cred, struct vnode *vp, 726 struct label *vplabel, struct label *label); 727 typedef int (*mpo_vnode_setlabel_extattr_t)(struct ucred *cred, 728 struct vnode *vp, struct label *vplabel, 729 struct label *intlabel); 730 731 struct mac_policy_ops { 732 /* 733 * Policy module operations. 734 */ 735 mpo_destroy_t mpo_destroy; 736 mpo_init_t mpo_init; 737 738 /* 739 * General policy-directed security system call so that policies may 740 * implement new services without reserving explicit system call 741 * numbers. 742 */ 743 mpo_syscall_t mpo_syscall; 744 745 /* 746 * Label operations. Initialize label storage, destroy label 747 * storage, recycle for re-use without init/destroy, copy a label to 748 * initialized storage, and externalize/internalize from/to 749 * initialized storage. 750 */ 751 mpo_bpfdesc_check_receive_t mpo_bpfdesc_check_receive; 752 mpo_bpfdesc_create_t mpo_bpfdesc_create; 753 mpo_bpfdesc_create_mbuf_t mpo_bpfdesc_create_mbuf; 754 mpo_bpfdesc_destroy_label_t mpo_bpfdesc_destroy_label; 755 mpo_bpfdesc_init_label_t mpo_bpfdesc_init_label; 756 757 mpo_cred_associate_nfsd_t mpo_cred_associate_nfsd; 758 mpo_cred_check_relabel_t mpo_cred_check_relabel; 759 mpo_cred_check_setaudit_t mpo_cred_check_setaudit; 760 mpo_cred_check_setaudit_addr_t mpo_cred_check_setaudit_addr; 761 mpo_cred_check_setauid_t mpo_cred_check_setauid; 762 mpo_cred_setcred_enter_t mpo_cred_setcred_enter; 763 mpo_cred_check_setcred_t mpo_cred_check_setcred; 764 mpo_cred_setcred_exit_t mpo_cred_setcred_exit; 765 mpo_cred_check_setuid_t mpo_cred_check_setuid; 766 mpo_cred_check_seteuid_t mpo_cred_check_seteuid; 767 mpo_cred_check_setgid_t mpo_cred_check_setgid; 768 mpo_cred_check_setegid_t mpo_cred_check_setegid; 769 mpo_cred_check_setgroups_t mpo_cred_check_setgroups; 770 mpo_cred_check_setreuid_t mpo_cred_check_setreuid; 771 mpo_cred_check_setregid_t mpo_cred_check_setregid; 772 mpo_cred_check_setresuid_t mpo_cred_check_setresuid; 773 mpo_cred_check_setresgid_t mpo_cred_check_setresgid; 774 mpo_cred_check_visible_t mpo_cred_check_visible; 775 mpo_cred_copy_label_t mpo_cred_copy_label; 776 mpo_cred_create_kproc0_t mpo_cred_create_kproc0; 777 mpo_cred_create_init_t mpo_cred_create_init; 778 mpo_cred_destroy_label_t mpo_cred_destroy_label; 779 mpo_cred_externalize_label_t mpo_cred_externalize_label; 780 mpo_cred_init_label_t mpo_cred_init_label; 781 mpo_cred_internalize_label_t mpo_cred_internalize_label; 782 mpo_cred_relabel_t mpo_cred_relabel; 783 784 mpo_ddb_command_register_t mpo_ddb_command_register; 785 mpo_ddb_command_exec_t mpo_ddb_command_exec; 786 787 mpo_devfs_create_device_t mpo_devfs_create_device; 788 mpo_devfs_create_directory_t mpo_devfs_create_directory; 789 mpo_devfs_create_symlink_t mpo_devfs_create_symlink; 790 mpo_devfs_destroy_label_t mpo_devfs_destroy_label; 791 mpo_devfs_init_label_t mpo_devfs_init_label; 792 mpo_devfs_update_t mpo_devfs_update; 793 mpo_devfs_vnode_associate_t mpo_devfs_vnode_associate; 794 795 mpo_ifnet_check_relabel_t mpo_ifnet_check_relabel; 796 mpo_ifnet_check_transmit_t mpo_ifnet_check_transmit; 797 mpo_ifnet_copy_label_t mpo_ifnet_copy_label; 798 mpo_ifnet_create_t mpo_ifnet_create; 799 mpo_ifnet_create_mbuf_t mpo_ifnet_create_mbuf; 800 mpo_ifnet_destroy_label_t mpo_ifnet_destroy_label; 801 mpo_ifnet_externalize_label_t mpo_ifnet_externalize_label; 802 mpo_ifnet_init_label_t mpo_ifnet_init_label; 803 mpo_ifnet_internalize_label_t mpo_ifnet_internalize_label; 804 mpo_ifnet_relabel_t mpo_ifnet_relabel; 805 806 mpo_inpcb_check_deliver_t mpo_inpcb_check_deliver; 807 mpo_inpcb_check_visible_t mpo_inpcb_check_visible; 808 mpo_inpcb_create_t mpo_inpcb_create; 809 mpo_inpcb_create_mbuf_t mpo_inpcb_create_mbuf; 810 mpo_inpcb_destroy_label_t mpo_inpcb_destroy_label; 811 mpo_inpcb_init_label_t mpo_inpcb_init_label; 812 mpo_inpcb_sosetlabel_t mpo_inpcb_sosetlabel; 813 814 mpo_ip4_check_jail_t mpo_ip4_check_jail; 815 mpo_ip6_check_jail_t mpo_ip6_check_jail; 816 817 mpo_ip6q_create_t mpo_ip6q_create; 818 mpo_ip6q_destroy_label_t mpo_ip6q_destroy_label; 819 mpo_ip6q_init_label_t mpo_ip6q_init_label; 820 mpo_ip6q_match_t mpo_ip6q_match; 821 mpo_ip6q_reassemble mpo_ip6q_reassemble; 822 mpo_ip6q_update_t mpo_ip6q_update; 823 824 mpo_ipq_create_t mpo_ipq_create; 825 mpo_ipq_destroy_label_t mpo_ipq_destroy_label; 826 mpo_ipq_init_label_t mpo_ipq_init_label; 827 mpo_ipq_match_t mpo_ipq_match; 828 mpo_ipq_reassemble mpo_ipq_reassemble; 829 mpo_ipq_update_t mpo_ipq_update; 830 831 mpo_kdb_check_backend_t mpo_kdb_check_backend; 832 833 mpo_kenv_check_dump_t mpo_kenv_check_dump; 834 mpo_kenv_check_get_t mpo_kenv_check_get; 835 mpo_kenv_check_set_t mpo_kenv_check_set; 836 mpo_kenv_check_unset_t mpo_kenv_check_unset; 837 838 mpo_kld_check_load_t mpo_kld_check_load; 839 mpo_kld_check_stat_t mpo_kld_check_stat; 840 841 mpo_mbuf_copy_label_t mpo_mbuf_copy_label; 842 mpo_mbuf_destroy_label_t mpo_mbuf_destroy_label; 843 mpo_mbuf_init_label_t mpo_mbuf_init_label; 844 845 mpo_mount_check_stat_t mpo_mount_check_stat; 846 mpo_mount_create_t mpo_mount_create; 847 mpo_mount_destroy_label_t mpo_mount_destroy_label; 848 mpo_mount_init_label_t mpo_mount_init_label; 849 850 mpo_netinet_arp_send_t mpo_netinet_arp_send; 851 mpo_netinet_firewall_reply_t mpo_netinet_firewall_reply; 852 mpo_netinet_firewall_send_t mpo_netinet_firewall_send; 853 mpo_netinet_fragment_t mpo_netinet_fragment; 854 mpo_netinet_icmp_reply_t mpo_netinet_icmp_reply; 855 mpo_netinet_icmp_replyinplace_t mpo_netinet_icmp_replyinplace; 856 mpo_netinet_igmp_send_t mpo_netinet_igmp_send; 857 mpo_netinet_tcp_reply_t mpo_netinet_tcp_reply; 858 859 mpo_netinet6_nd6_send_t mpo_netinet6_nd6_send; 860 861 mpo_pipe_check_ioctl_t mpo_pipe_check_ioctl; 862 mpo_pipe_check_poll_t mpo_pipe_check_poll; 863 mpo_pipe_check_read_t mpo_pipe_check_read; 864 mpo_pipe_check_relabel_t mpo_pipe_check_relabel; 865 mpo_pipe_check_stat_t mpo_pipe_check_stat; 866 mpo_pipe_check_write_t mpo_pipe_check_write; 867 mpo_pipe_copy_label_t mpo_pipe_copy_label; 868 mpo_pipe_create_t mpo_pipe_create; 869 mpo_pipe_destroy_label_t mpo_pipe_destroy_label; 870 mpo_pipe_externalize_label_t mpo_pipe_externalize_label; 871 mpo_pipe_init_label_t mpo_pipe_init_label; 872 mpo_pipe_internalize_label_t mpo_pipe_internalize_label; 873 mpo_pipe_relabel_t mpo_pipe_relabel; 874 875 mpo_posixsem_check_getvalue_t mpo_posixsem_check_getvalue; 876 mpo_posixsem_check_open_t mpo_posixsem_check_open; 877 mpo_posixsem_check_post_t mpo_posixsem_check_post; 878 mpo_posixsem_check_setmode_t mpo_posixsem_check_setmode; 879 mpo_posixsem_check_setowner_t mpo_posixsem_check_setowner; 880 mpo_posixsem_check_stat_t mpo_posixsem_check_stat; 881 mpo_posixsem_check_unlink_t mpo_posixsem_check_unlink; 882 mpo_posixsem_check_wait_t mpo_posixsem_check_wait; 883 mpo_posixsem_create_t mpo_posixsem_create; 884 mpo_posixsem_destroy_label_t mpo_posixsem_destroy_label; 885 mpo_posixsem_init_label_t mpo_posixsem_init_label; 886 887 mpo_posixshm_check_create_t mpo_posixshm_check_create; 888 mpo_posixshm_check_mmap_t mpo_posixshm_check_mmap; 889 mpo_posixshm_check_open_t mpo_posixshm_check_open; 890 mpo_posixshm_check_read_t mpo_posixshm_check_read; 891 mpo_posixshm_check_setmode_t mpo_posixshm_check_setmode; 892 mpo_posixshm_check_setowner_t mpo_posixshm_check_setowner; 893 mpo_posixshm_check_stat_t mpo_posixshm_check_stat; 894 mpo_posixshm_check_truncate_t mpo_posixshm_check_truncate; 895 mpo_posixshm_check_unlink_t mpo_posixshm_check_unlink; 896 mpo_posixshm_check_write_t mpo_posixshm_check_write; 897 mpo_posixshm_create_t mpo_posixshm_create; 898 mpo_posixshm_destroy_label_t mpo_posixshm_destroy_label; 899 mpo_posixshm_init_label_t mpo_posixshm_init_label; 900 901 mpo_prison_init_label_t mpo_prison_init_label; 902 mpo_prison_check_relabel_t mpo_prison_check_relabel; 903 mpo_prison_destroy_label_t mpo_prison_destroy_label; 904 mpo_prison_copy_label_t mpo_prison_copy_label; 905 mpo_prison_externalize_label_t mpo_prison_externalize_label; 906 mpo_prison_internalize_label_t mpo_prison_internalize_label; 907 mpo_prison_relabel_t mpo_prison_relabel; 908 mpo_prison_check_attach_t mpo_prison_check_attach; 909 mpo_prison_check_create_t mpo_prison_check_create; 910 mpo_prison_check_get_t mpo_prison_check_get; 911 mpo_prison_check_set_t mpo_prison_check_set; 912 mpo_prison_check_remove_t mpo_prison_check_remove; 913 mpo_prison_created_t mpo_prison_created; 914 mpo_prison_cleanup_t mpo_prison_cleanup; 915 mpo_prison_attached_t mpo_prison_attached; 916 917 mpo_priv_check_t mpo_priv_check; 918 mpo_priv_grant_t mpo_priv_grant; 919 920 mpo_proc_check_debug_t mpo_proc_check_debug; 921 mpo_proc_check_sched_t mpo_proc_check_sched; 922 mpo_proc_check_signal_t mpo_proc_check_signal; 923 mpo_proc_check_wait_t mpo_proc_check_wait; 924 mpo_proc_destroy_label_t mpo_proc_destroy_label; 925 mpo_proc_init_label_t mpo_proc_init_label; 926 927 mpo_socket_check_accept_t mpo_socket_check_accept; 928 mpo_socket_check_bind_t mpo_socket_check_bind; 929 mpo_socket_check_connect_t mpo_socket_check_connect; 930 mpo_socket_check_create_t mpo_socket_check_create; 931 mpo_socket_check_deliver_t mpo_socket_check_deliver; 932 mpo_socket_check_listen_t mpo_socket_check_listen; 933 mpo_socket_check_poll_t mpo_socket_check_poll; 934 mpo_socket_check_receive_t mpo_socket_check_receive; 935 mpo_socket_check_relabel_t mpo_socket_check_relabel; 936 mpo_socket_check_send_t mpo_socket_check_send; 937 mpo_socket_check_stat_t mpo_socket_check_stat; 938 mpo_socket_check_visible_t mpo_socket_check_visible; 939 mpo_socket_copy_label_t mpo_socket_copy_label; 940 mpo_socket_create_t mpo_socket_create; 941 mpo_socket_create_mbuf_t mpo_socket_create_mbuf; 942 mpo_socket_destroy_label_t mpo_socket_destroy_label; 943 mpo_socket_externalize_label_t mpo_socket_externalize_label; 944 mpo_socket_init_label_t mpo_socket_init_label; 945 mpo_socket_internalize_label_t mpo_socket_internalize_label; 946 mpo_socket_newconn_t mpo_socket_newconn; 947 mpo_socket_relabel_t mpo_socket_relabel; 948 949 mpo_socketpeer_destroy_label_t mpo_socketpeer_destroy_label; 950 mpo_socketpeer_externalize_label_t mpo_socketpeer_externalize_label; 951 mpo_socketpeer_init_label_t mpo_socketpeer_init_label; 952 mpo_socketpeer_set_from_mbuf_t mpo_socketpeer_set_from_mbuf; 953 mpo_socketpeer_set_from_socket_t mpo_socketpeer_set_from_socket; 954 955 mpo_syncache_init_label_t mpo_syncache_init_label; 956 mpo_syncache_destroy_label_t mpo_syncache_destroy_label; 957 mpo_syncache_create_t mpo_syncache_create; 958 mpo_syncache_create_mbuf_t mpo_syncache_create_mbuf; 959 960 mpo_system_check_acct_t mpo_system_check_acct; 961 mpo_system_check_audit_t mpo_system_check_audit; 962 mpo_system_check_auditctl_t mpo_system_check_auditctl; 963 mpo_system_check_auditon_t mpo_system_check_auditon; 964 mpo_system_check_reboot_t mpo_system_check_reboot; 965 mpo_system_check_swapon_t mpo_system_check_swapon; 966 mpo_system_check_swapoff_t mpo_system_check_swapoff; 967 mpo_system_check_sysctl_t mpo_system_check_sysctl; 968 969 mpo_sysvmsg_cleanup_t mpo_sysvmsg_cleanup; 970 mpo_sysvmsg_create_t mpo_sysvmsg_create; 971 mpo_sysvmsg_destroy_label_t mpo_sysvmsg_destroy_label; 972 mpo_sysvmsg_init_label_t mpo_sysvmsg_init_label; 973 974 mpo_sysvmsq_check_msgmsq_t mpo_sysvmsq_check_msgmsq; 975 mpo_sysvmsq_check_msgrcv_t mpo_sysvmsq_check_msgrcv; 976 mpo_sysvmsq_check_msgrmid_t mpo_sysvmsq_check_msgrmid; 977 mpo_sysvmsq_check_msqctl_t mpo_sysvmsq_check_msqctl; 978 mpo_sysvmsq_check_msqget_t mpo_sysvmsq_check_msqget; 979 mpo_sysvmsq_check_msqrcv_t mpo_sysvmsq_check_msqrcv; 980 mpo_sysvmsq_check_msqsnd_t mpo_sysvmsq_check_msqsnd; 981 mpo_sysvmsq_cleanup_t mpo_sysvmsq_cleanup; 982 mpo_sysvmsq_create_t mpo_sysvmsq_create; 983 mpo_sysvmsq_destroy_label_t mpo_sysvmsq_destroy_label; 984 mpo_sysvmsq_init_label_t mpo_sysvmsq_init_label; 985 986 mpo_sysvsem_check_semctl_t mpo_sysvsem_check_semctl; 987 mpo_sysvsem_check_semget_t mpo_sysvsem_check_semget; 988 mpo_sysvsem_check_semop_t mpo_sysvsem_check_semop; 989 mpo_sysvsem_cleanup_t mpo_sysvsem_cleanup; 990 mpo_sysvsem_create_t mpo_sysvsem_create; 991 mpo_sysvsem_destroy_label_t mpo_sysvsem_destroy_label; 992 mpo_sysvsem_init_label_t mpo_sysvsem_init_label; 993 994 mpo_sysvshm_check_shmat_t mpo_sysvshm_check_shmat; 995 mpo_sysvshm_check_shmctl_t mpo_sysvshm_check_shmctl; 996 mpo_sysvshm_check_shmdt_t mpo_sysvshm_check_shmdt; 997 mpo_sysvshm_check_shmget_t mpo_sysvshm_check_shmget; 998 mpo_sysvshm_cleanup_t mpo_sysvshm_cleanup; 999 mpo_sysvshm_create_t mpo_sysvshm_create; 1000 mpo_sysvshm_destroy_label_t mpo_sysvshm_destroy_label; 1001 mpo_sysvshm_init_label_t mpo_sysvshm_init_label; 1002 1003 mpo_thread_userret_t mpo_thread_userret; 1004 1005 mpo_vnode_check_access_t mpo_vnode_check_access; 1006 mpo_vnode_check_chdir_t mpo_vnode_check_chdir; 1007 mpo_vnode_check_chroot_t mpo_vnode_check_chroot; 1008 mpo_vnode_check_create_t mpo_vnode_check_create; 1009 mpo_vnode_check_deleteacl_t mpo_vnode_check_deleteacl; 1010 mpo_vnode_check_deleteextattr_t mpo_vnode_check_deleteextattr; 1011 mpo_vnode_check_exec_t mpo_vnode_check_exec; 1012 mpo_vnode_check_getacl_t mpo_vnode_check_getacl; 1013 mpo_vnode_check_getextattr_t mpo_vnode_check_getextattr; 1014 mpo_vnode_check_link_t mpo_vnode_check_link; 1015 mpo_vnode_check_listextattr_t mpo_vnode_check_listextattr; 1016 mpo_vnode_check_lookup_t mpo_vnode_check_lookup; 1017 mpo_vnode_check_mmap_t mpo_vnode_check_mmap; 1018 mpo_vnode_check_mmap_downgrade_t mpo_vnode_check_mmap_downgrade; 1019 mpo_vnode_check_mprotect_t mpo_vnode_check_mprotect; 1020 mpo_vnode_check_open_t mpo_vnode_check_open; 1021 mpo_vnode_check_poll_t mpo_vnode_check_poll; 1022 mpo_vnode_check_read_t mpo_vnode_check_read; 1023 mpo_vnode_check_readdir_t mpo_vnode_check_readdir; 1024 mpo_vnode_check_readlink_t mpo_vnode_check_readlink; 1025 mpo_vnode_check_relabel_t mpo_vnode_check_relabel; 1026 mpo_vnode_check_rename_from_t mpo_vnode_check_rename_from; 1027 mpo_vnode_check_rename_to_t mpo_vnode_check_rename_to; 1028 mpo_vnode_check_revoke_t mpo_vnode_check_revoke; 1029 mpo_vnode_check_setacl_t mpo_vnode_check_setacl; 1030 mpo_vnode_check_setextattr_t mpo_vnode_check_setextattr; 1031 mpo_vnode_check_setflags_t mpo_vnode_check_setflags; 1032 mpo_vnode_check_setmode_t mpo_vnode_check_setmode; 1033 mpo_vnode_check_setowner_t mpo_vnode_check_setowner; 1034 mpo_vnode_check_setutimes_t mpo_vnode_check_setutimes; 1035 mpo_vnode_check_stat_t mpo_vnode_check_stat; 1036 mpo_vnode_check_unlink_t mpo_vnode_check_unlink; 1037 mpo_vnode_check_write_t mpo_vnode_check_write; 1038 mpo_vnode_associate_extattr_t mpo_vnode_associate_extattr; 1039 mpo_vnode_associate_singlelabel_t mpo_vnode_associate_singlelabel; 1040 mpo_vnode_destroy_label_t mpo_vnode_destroy_label; 1041 mpo_vnode_copy_label_t mpo_vnode_copy_label; 1042 mpo_vnode_create_extattr_t mpo_vnode_create_extattr; 1043 mpo_vnode_execve_transition_t mpo_vnode_execve_transition; 1044 mpo_vnode_execve_will_transition_t mpo_vnode_execve_will_transition; 1045 mpo_vnode_externalize_label_t mpo_vnode_externalize_label; 1046 mpo_vnode_init_label_t mpo_vnode_init_label; 1047 mpo_vnode_internalize_label_t mpo_vnode_internalize_label; 1048 mpo_vnode_relabel_t mpo_vnode_relabel; 1049 mpo_vnode_setlabel_extattr_t mpo_vnode_setlabel_extattr; 1050 }; 1051 1052 /* 1053 * struct mac_policy_conf is the registration structure for policies, and is 1054 * provided to the MAC Framework using MAC_POLICY_SET() to invoke a SYSINIT 1055 * to register the policy. In general, the fields are immutable, with the 1056 * exception of the "security field", run-time flags, and policy list entry, 1057 * which are managed by the MAC Framework. Be careful when modifying this 1058 * structure, as its layout is statically compiled into all policies. 1059 */ 1060 struct mac_policy_conf { 1061 char *mpc_name; /* policy name */ 1062 char *mpc_fullname; /* policy full name */ 1063 struct mac_policy_ops *mpc_ops; /* policy operations */ 1064 int mpc_loadtime_flags; /* flags */ 1065 int *mpc_field_off; /* security field */ 1066 int mpc_runtime_flags; /* flags */ 1067 int _mpc_spare1; /* Spare. */ 1068 uint64_t _mpc_spare2; /* Spare. */ 1069 uint64_t _mpc_spare3; /* Spare. */ 1070 void *_mpc_spare4; /* Spare. */ 1071 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */ 1072 }; 1073 1074 /* Flags for the mpc_loadtime_flags field. */ 1075 #define MPC_LOADTIME_FLAG_NOTLATE 0x00000001 1076 #define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002 1077 1078 /* Flags for the mpc_runtime_flags field. */ 1079 #define MPC_RUNTIME_FLAG_REGISTERED 0x00000001 1080 1081 /*- 1082 * The TrustedBSD MAC Framework has a major version number, MAC_VERSION, 1083 * which defines the ABI of the Framework present in the kernel (and depended 1084 * on by policy modules compiled against that kernel). Currently, 1085 * MAC_POLICY_SET() requires that the kernel and module ABI version numbers 1086 * exactly match. The following major versions have been defined to date: 1087 * 1088 * MAC version FreeBSD versions 1089 * 1 5.x 1090 * 2 6.x 1091 * 3 7.x 1092 * 4 8.x 1093 * 5 14.x 1094 * 6 15.x 1095 */ 1096 #define MAC_VERSION 6 1097 1098 #define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \ 1099 static struct mac_policy_conf mpname##_mac_policy_conf = { \ 1100 .mpc_name = #mpname, \ 1101 .mpc_fullname = mpfullname, \ 1102 .mpc_ops = mpops, \ 1103 .mpc_loadtime_flags = mpflags, \ 1104 .mpc_field_off = privdata_wanted, \ 1105 }; \ 1106 static moduledata_t mpname##_mod = { \ 1107 #mpname, \ 1108 mac_policy_modevent, \ 1109 &mpname##_mac_policy_conf \ 1110 }; \ 1111 MODULE_DEPEND(mpname, kernel_mac_support, MAC_VERSION, \ 1112 MAC_VERSION, MAC_VERSION); \ 1113 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \ 1114 SI_ORDER_MIDDLE) 1115 1116 int mac_policy_modevent(module_t mod, int type, void *data); 1117 1118 /* 1119 * Policy interface to map a struct label pointer to per-policy data. 1120 * Typically, policies wrap this in their own accessor macro that casts a 1121 * uintptr_t to a policy-specific data type. 1122 */ 1123 intptr_t mac_label_get(struct label *l, int slot); 1124 void mac_label_set(struct label *l, int slot, intptr_t v); 1125 1126 /* 1127 * Common MAC Framework's sysctl and jail parameters' sysctl nodes' declarations. 1128 * 1129 * Headers <sys/jail.h> and <sys/sysctl.h> normally have to be included before 1130 * this header as style(9) hints to. If they weren't, just forego the 1131 * corresponding declarations, assuming they are not needed. 1132 */ 1133 #ifdef SYSCTL_DECL 1134 SYSCTL_DECL(_security_mac); 1135 #endif 1136 1137 #ifdef SYSCTL_JAIL_PARAM_DECL 1138 SYSCTL_JAIL_PARAM_DECL(mac); 1139 #endif 1140 1141 #endif /* !_SECURITY_MAC_MAC_POLICY_H_ */ 1142