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