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