1 /*- 2 * Copyright (c) 1999-2002, 2007-2011 Robert N. M. Watson 3 * Copyright (c) 2001-2005 Networks Associates Technology, Inc. 4 * Copyright (c) 2005-2006 SPARTA, Inc. 5 * Copyright (c) 2008 Apple Inc. 6 * All rights reserved. 7 * 8 * This software was developed by Robert Watson for the TrustedBSD Project. 9 * 10 * This software was developed for the FreeBSD Project in part by Network 11 * Associates Laboratories, the Security Research Division of Network 12 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), 13 * as part of the DARPA CHATS research program. 14 * 15 * This software was enhanced by SPARTA ISSO under SPAWAR contract 16 * N66001-04-C-6019 ("SEFOS"). 17 * 18 * This software was developed at the University of Cambridge Computer 19 * Laboratory with support from a grant from Google, Inc. 20 * 21 * Redistribution and use in source and binary forms, with or without 22 * modification, are permitted provided that the following conditions 23 * are met: 24 * 1. Redistributions of source code must retain the above copyright 25 * notice, this list of conditions and the following disclaimer. 26 * 2. Redistributions in binary form must reproduce the above copyright 27 * notice, this list of conditions and the following disclaimer in the 28 * documentation and/or other materials provided with the distribution. 29 * 30 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 33 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 40 * SUCH DAMAGE. 41 */ 42 /* 43 * Kernel interface for MAC policy modules. 44 */ 45 #ifndef _SECURITY_MAC_MAC_POLICY_H_ 46 #define _SECURITY_MAC_MAC_POLICY_H_ 47 48 #ifndef _KERNEL 49 #error "no user-serviceable parts inside" 50 #endif 51 52 /*- 53 * Pluggable access control policy definition structure. 54 * 55 * List of operations that are performed as part of the implementation of a 56 * MAC policy. Policy implementors declare operations with a mac_policy_ops 57 * structure, and using the MAC_POLICY_SET() macro. If an entry point is not 58 * declared, then then the policy will be ignored during evaluation of that 59 * event or check. 60 * 61 * Operations are sorted first by general class of operation, then 62 * alphabetically. 63 */ 64 #include <sys/acl.h> /* XXX acl_type_t */ 65 #include <sys/types.h> /* XXX accmode_t */ 66 67 #include <ddb/ddb.h> /* XXX db_expr_t */ 68 69 struct acl; 70 struct auditinfo; 71 struct auditinfo_addr; 72 struct bpf_d; 73 struct cdev; 74 struct componentname; 75 struct db_command; 76 struct devfs_dirent; 77 struct ifnet; 78 struct image_params; 79 struct inpcb; 80 struct ip6q; 81 struct ipq; 82 struct kdb_dbbe; 83 struct ksem; 84 struct label; 85 struct mac_policy_conf; 86 struct mbuf; 87 struct mount; 88 struct msg; 89 struct msqid_kernel; 90 struct pipepair; 91 struct prison; 92 struct proc; 93 struct sbuf; 94 struct semid_kernel; 95 struct shmfd; 96 struct shmid_kernel; 97 struct sockaddr; 98 struct socket; 99 struct sysctl_oid; 100 struct sysctl_req; 101 struct thread; 102 struct ucred; 103 struct vattr; 104 struct vfsconf; 105 struct vfsoptlist; 106 struct vnode; 107 108 struct in_addr; 109 struct in6_addr; 110 111 /* 112 * Policy module operations. 113 */ 114 typedef void (*mpo_destroy_t)(struct mac_policy_conf *mpc); 115 typedef void (*mpo_init_t)(struct mac_policy_conf *mpc); 116 117 /* 118 * General policy-directed security system call so that policies may 119 * implement new services without reserving explicit system call numbers. 120 */ 121 typedef int (*mpo_syscall_t)(struct thread *td, int call, void *arg); 122 123 /* 124 * Place-holder function pointers for ABI-compatibility purposes. 125 */ 126 typedef void (*mpo_placeholder_t)(void); 127 128 /* 129 * Operations sorted alphabetically by primary object type and then method. 130 */ 131 typedef int (*mpo_bpfdesc_check_receive_t)(struct bpf_d *d, 132 struct label *dlabel, struct ifnet *ifp, 133 struct label *ifplabel); 134 typedef void (*mpo_bpfdesc_create_t)(struct ucred *cred, 135 struct bpf_d *d, struct label *dlabel); 136 typedef void (*mpo_bpfdesc_create_mbuf_t)(struct bpf_d *d, 137 struct label *dlabel, struct mbuf *m, 138 struct label *mlabel); 139 typedef void (*mpo_bpfdesc_destroy_label_t)(struct label *label); 140 typedef void (*mpo_bpfdesc_init_label_t)(struct label *label); 141 142 typedef void (*mpo_cred_associate_nfsd_t)(struct ucred *cred); 143 typedef int (*mpo_cred_check_relabel_t)(struct ucred *cred, 144 struct label *newlabel); 145 typedef int (*mpo_cred_check_setaudit_t)(struct ucred *cred, 146 struct auditinfo *ai); 147 typedef int (*mpo_cred_check_setaudit_addr_t)(struct ucred *cred, 148 struct auditinfo_addr *aia); 149 typedef int (*mpo_cred_check_setauid_t)(struct ucred *cred, uid_t auid); 150 typedef void (*mpo_cred_setcred_enter_t)(void); 151 typedef int (*mpo_cred_check_setcred_t)(u_int flags, 152 const struct ucred *old_cred, struct ucred *new_cred); 153 typedef void (*mpo_cred_setcred_exit_t)(void); 154 typedef int (*mpo_cred_check_setegid_t)(struct ucred *cred, gid_t egid); 155 typedef int (*mpo_cred_check_seteuid_t)(struct ucred *cred, uid_t euid); 156 typedef int (*mpo_cred_check_setgid_t)(struct ucred *cred, gid_t gid); 157 typedef int (*mpo_cred_check_setgroups_t)(struct ucred *cred, int ngroups, 158 gid_t *gidset); 159 typedef int (*mpo_cred_check_setregid_t)(struct ucred *cred, gid_t rgid, 160 gid_t egid); 161 typedef int (*mpo_cred_check_setresgid_t)(struct ucred *cred, gid_t rgid, 162 gid_t egid, gid_t sgid); 163 typedef int (*mpo_cred_check_setresuid_t)(struct ucred *cred, uid_t ruid, 164 uid_t euid, uid_t suid); 165 typedef int (*mpo_cred_check_setreuid_t)(struct ucred *cred, uid_t ruid, 166 uid_t euid); 167 typedef int (*mpo_cred_check_setuid_t)(struct ucred *cred, uid_t uid); 168 typedef int (*mpo_cred_check_visible_t)(struct ucred *cr1, 169 struct ucred *cr2); 170 typedef void (*mpo_cred_copy_label_t)(struct label *src, 171 struct label *dest); 172 typedef void (*mpo_cred_create_init_t)(struct ucred *cred); 173 typedef void (*mpo_cred_create_kproc0_t)(struct ucred *cred); 174 typedef void (*mpo_cred_destroy_label_t)(struct label *label); 175 typedef int (*mpo_cred_externalize_label_t)(struct label *label, 176 char *element_name, struct sbuf *sb, int *claimed); 177 typedef void (*mpo_cred_init_label_t)(struct label *label); 178 typedef int (*mpo_cred_internalize_label_t)(struct label *label, 179 char *element_name, char *element_data, int *claimed); 180 typedef void (*mpo_cred_relabel_t)(struct ucred *cred, 181 struct label *newlabel); 182 183 typedef int (*mpo_ddb_command_register_t)(struct db_command_table *table, 184 struct db_command *cmd); 185 typedef int (*mpo_ddb_command_exec_t)(struct db_command *cmd, 186 db_expr_t addr, bool have_addr, db_expr_t count, 187 char *modif); 188 189 typedef void (*mpo_devfs_create_device_t)(struct ucred *cred, 190 struct mount *mp, struct cdev *dev, 191 struct devfs_dirent *de, struct label *delabel); 192 typedef void (*mpo_devfs_create_directory_t)(struct mount *mp, 193 char *dirname, int dirnamelen, struct devfs_dirent *de, 194 struct label *delabel); 195 typedef void (*mpo_devfs_create_symlink_t)(struct ucred *cred, 196 struct mount *mp, struct devfs_dirent *dd, 197 struct label *ddlabel, struct devfs_dirent *de, 198 struct label *delabel); 199 typedef void (*mpo_devfs_destroy_label_t)(struct label *label); 200 typedef void (*mpo_devfs_init_label_t)(struct label *label); 201 typedef void (*mpo_devfs_update_t)(struct mount *mp, 202 struct devfs_dirent *de, struct label *delabel, 203 struct vnode *vp, struct label *vplabel); 204 typedef void (*mpo_devfs_vnode_associate_t)(struct mount *mp, 205 struct label *mplabel, struct devfs_dirent *de, 206 struct label *delabel, struct vnode *vp, 207 struct label *vplabel); 208 209 typedef int (*mpo_ifnet_check_relabel_t)(struct ucred *cred, 210 struct ifnet *ifp, struct label *ifplabel, 211 struct label *newlabel); 212 typedef int (*mpo_ifnet_check_transmit_t)(struct ifnet *ifp, 213 struct label *ifplabel, struct mbuf *m, 214 struct label *mlabel); 215 typedef void (*mpo_ifnet_copy_label_t)(struct label *src, 216 struct label *dest); 217 typedef void (*mpo_ifnet_create_t)(struct ifnet *ifp, 218 struct label *ifplabel); 219 typedef void (*mpo_ifnet_create_mbuf_t)(struct ifnet *ifp, 220 struct label *ifplabel, struct mbuf *m, 221 struct label *mlabel); 222 typedef void (*mpo_ifnet_destroy_label_t)(struct label *label); 223 typedef int (*mpo_ifnet_externalize_label_t)(struct label *label, 224 char *element_name, struct sbuf *sb, int *claimed); 225 typedef void (*mpo_ifnet_init_label_t)(struct label *label); 226 typedef int (*mpo_ifnet_internalize_label_t)(struct label *label, 227 char *element_name, char *element_data, int *claimed); 228 typedef void (*mpo_ifnet_relabel_t)(struct ucred *cred, struct ifnet *ifp, 229 struct label *ifplabel, struct label *newlabel); 230 231 typedef int (*mpo_inpcb_check_deliver_t)(struct inpcb *inp, 232 struct label *inplabel, struct mbuf *m, 233 struct label *mlabel); 234 typedef int (*mpo_inpcb_check_visible_t)(struct ucred *cred, 235 struct inpcb *inp, struct label *inplabel); 236 typedef void (*mpo_inpcb_create_t)(struct socket *so, 237 struct label *solabel, struct inpcb *inp, 238 struct label *inplabel); 239 typedef void (*mpo_inpcb_create_mbuf_t)(struct inpcb *inp, 240 struct label *inplabel, struct mbuf *m, 241 struct label *mlabel); 242 typedef void (*mpo_inpcb_destroy_label_t)(struct label *label); 243 typedef int (*mpo_inpcb_init_label_t)(struct label *label, int flag); 244 typedef void (*mpo_inpcb_sosetlabel_t)(struct socket *so, 245 struct label *label, struct inpcb *inp, 246 struct label *inplabel); 247 248 typedef void (*mpo_ip6q_create_t)(struct mbuf *m, struct label *mlabel, 249 struct ip6q *q6, struct label *q6label); 250 typedef void (*mpo_ip6q_destroy_label_t)(struct label *label); 251 typedef int (*mpo_ip6q_init_label_t)(struct label *label, int flag); 252 typedef int (*mpo_ip6q_match_t)(struct mbuf *m, struct label *mlabel, 253 struct ip6q *q6, struct label *q6label); 254 typedef void (*mpo_ip6q_reassemble)(struct ip6q *q6, struct label *q6label, 255 struct mbuf *m, struct label *mlabel); 256 typedef void (*mpo_ip6q_update_t)(struct mbuf *m, struct label *mlabel, 257 struct ip6q *q6, struct label *q6label); 258 259 /* Policy ops checking IPv4 and IPv6 address for ipacl. */ 260 typedef int (*mpo_ip4_check_jail_t)(struct ucred *cred, 261 const struct in_addr *ia, struct ifnet *ifp); 262 typedef int (*mpo_ip6_check_jail_t)(struct ucred *cred, 263 const struct in6_addr *ia6, struct ifnet *ifp); 264 265 typedef void (*mpo_ipq_create_t)(struct mbuf *m, struct label *mlabel, 266 struct ipq *q, struct label *qlabel); 267 typedef void (*mpo_ipq_destroy_label_t)(struct label *label); 268 typedef int (*mpo_ipq_init_label_t)(struct label *label, int flag); 269 typedef int (*mpo_ipq_match_t)(struct mbuf *m, struct label *mlabel, 270 struct ipq *q, struct label *qlabel); 271 typedef void (*mpo_ipq_reassemble)(struct ipq *q, struct label *qlabel, 272 struct mbuf *m, struct label *mlabel); 273 typedef void (*mpo_ipq_update_t)(struct mbuf *m, struct label *mlabel, 274 struct ipq *q, struct label *qlabel); 275 276 typedef int (*mpo_kdb_check_backend_t)(struct kdb_dbbe *be); 277 278 typedef int (*mpo_kenv_check_dump_t)(struct ucred *cred); 279 typedef int (*mpo_kenv_check_get_t)(struct ucred *cred, char *name); 280 typedef int (*mpo_kenv_check_set_t)(struct ucred *cred, char *name, 281 char *value); 282 typedef int (*mpo_kenv_check_unset_t)(struct ucred *cred, char *name); 283 284 typedef int (*mpo_kld_check_load_t)(struct ucred *cred, struct vnode *vp, 285 struct label *vplabel); 286 typedef int (*mpo_kld_check_stat_t)(struct ucred *cred); 287 288 typedef void (*mpo_mbuf_copy_label_t)(struct label *src, 289 struct label *dest); 290 typedef void (*mpo_mbuf_destroy_label_t)(struct label *label); 291 typedef int (*mpo_mbuf_init_label_t)(struct label *label, int flag); 292 293 typedef int (*mpo_mount_check_stat_t)(struct ucred *cred, 294 struct mount *mp, struct label *mplabel); 295 typedef void (*mpo_mount_create_t)(struct ucred *cred, struct mount *mp, 296 struct label *mplabel); 297 typedef void (*mpo_mount_destroy_label_t)(struct label *label); 298 typedef void (*mpo_mount_init_label_t)(struct label *label); 299 typedef int (*mpo_mount_check_mount_t)(struct ucred *cred, struct vnode *vp, 300 struct label *vplabel, struct vfsconf *vfsp, 301 struct vfsoptlist **optlist, uint64_t fsflags); 302 typedef int (*mpo_mount_check_update_t)(struct ucred *cred, 303 struct mount *mp, struct label *mplabel, 304 struct vfsoptlist **optlist, uint64_t fsflags); 305 typedef int (*mpo_mount_check_unmount_t)(struct ucred *cred, 306 struct mount *mp, struct label *mplabel, uint64_t flags); 307 308 typedef void (*mpo_netinet_arp_send_t)(struct ifnet *ifp, 309 struct label *ifplabel, struct mbuf *m, 310 struct label *mlabel); 311 typedef void (*mpo_netinet_firewall_reply_t)(struct mbuf *mrecv, 312 struct label *mrecvlabel, struct mbuf *msend, 313 struct label *msendlabel); 314 typedef void (*mpo_netinet_firewall_send_t)(struct mbuf *m, 315 struct label *mlabel); 316 typedef void (*mpo_netinet_fragment_t)(struct mbuf *m, 317 struct label *mlabel, struct mbuf *frag, 318 struct label *fraglabel); 319 typedef void (*mpo_netinet_icmp_reply_t)(struct mbuf *mrecv, 320 struct label *mrecvlabel, struct mbuf *msend, 321 struct label *msendlabel); 322 typedef void (*mpo_netinet_icmp_replyinplace_t)(struct mbuf *m, 323 struct label *mlabel); 324 typedef void (*mpo_netinet_igmp_send_t)(struct ifnet *ifp, 325 struct label *ifplabel, struct mbuf *m, 326 struct label *mlabel); 327 typedef void (*mpo_netinet_tcp_reply_t)(struct mbuf *m, 328 struct label *mlabel); 329 330 typedef void (*mpo_netinet6_nd6_send_t)(struct ifnet *ifp, 331 struct label *ifplabel, struct mbuf *m, 332 struct label *mlabel); 333 334 typedef int (*mpo_pipe_check_ioctl_t)(struct ucred *cred, 335 struct pipepair *pp, struct label *pplabel, 336 unsigned long cmd, void *data); 337 typedef int (*mpo_pipe_check_poll_t)(struct ucred *cred, 338 struct pipepair *pp, struct label *pplabel); 339 typedef int (*mpo_pipe_check_read_t)(struct ucred *cred, 340 struct pipepair *pp, struct label *pplabel); 341 typedef int (*mpo_pipe_check_relabel_t)(struct ucred *cred, 342 struct pipepair *pp, struct label *pplabel, 343 struct label *newlabel); 344 typedef int (*mpo_pipe_check_stat_t)(struct ucred *cred, 345 struct pipepair *pp, struct label *pplabel); 346 typedef int (*mpo_pipe_check_write_t)(struct ucred *cred, 347 struct pipepair *pp, struct label *pplabel); 348 typedef void (*mpo_pipe_copy_label_t)(struct label *src, 349 struct label *dest); 350 typedef void (*mpo_pipe_create_t)(struct ucred *cred, struct pipepair *pp, 351 struct label *pplabel); 352 typedef void (*mpo_pipe_destroy_label_t)(struct label *label); 353 typedef int (*mpo_pipe_externalize_label_t)(struct label *label, 354 char *element_name, struct sbuf *sb, int *claimed); 355 typedef void (*mpo_pipe_init_label_t)(struct label *label); 356 typedef int (*mpo_pipe_internalize_label_t)(struct label *label, 357 char *element_name, char *element_data, int *claimed); 358 typedef void (*mpo_pipe_relabel_t)(struct ucred *cred, struct pipepair *pp, 359 struct label *oldlabel, struct label *newlabel); 360 361 typedef int (*mpo_posixsem_check_getvalue_t)(struct ucred *active_cred, 362 struct ucred *file_cred, struct ksem *ks, 363 struct label *kslabel); 364 typedef int (*mpo_posixsem_check_open_t)(struct ucred *cred, 365 struct ksem *ks, struct label *kslabel); 366 typedef int (*mpo_posixsem_check_post_t)(struct ucred *active_cred, 367 struct ucred *file_cred, struct ksem *ks, 368 struct label *kslabel); 369 typedef int (*mpo_posixsem_check_setmode_t)(struct ucred *cred, 370 struct ksem *ks, struct label *shmlabel, 371 mode_t mode); 372 typedef int (*mpo_posixsem_check_setowner_t)(struct ucred *cred, 373 struct ksem *ks, struct label *shmlabel, 374 uid_t uid, gid_t gid); 375 typedef int (*mpo_posixsem_check_stat_t)(struct ucred *active_cred, 376 struct ucred *file_cred, struct ksem *ks, 377 struct label *kslabel); 378 typedef int (*mpo_posixsem_check_unlink_t)(struct ucred *cred, 379 struct ksem *ks, struct label *kslabel); 380 typedef int (*mpo_posixsem_check_wait_t)(struct ucred *active_cred, 381 struct ucred *file_cred, struct ksem *ks, 382 struct label *kslabel); 383 typedef void (*mpo_posixsem_create_t)(struct ucred *cred, 384 struct ksem *ks, struct label *kslabel); 385 typedef void (*mpo_posixsem_destroy_label_t)(struct label *label); 386 typedef void (*mpo_posixsem_init_label_t)(struct label *label); 387 388 typedef int (*mpo_posixshm_check_create_t)(struct ucred *cred, 389 const char *path); 390 typedef int (*mpo_posixshm_check_mmap_t)(struct ucred *cred, 391 struct shmfd *shmfd, struct label *shmlabel, int prot, 392 int flags); 393 typedef int (*mpo_posixshm_check_open_t)(struct ucred *cred, 394 struct shmfd *shmfd, struct label *shmlabel, 395 accmode_t accmode); 396 typedef int (*mpo_posixshm_check_read_t)(struct ucred *active_cred, 397 struct ucred *file_cred, struct shmfd *shmfd, 398 struct label *shmlabel); 399 typedef int (*mpo_posixshm_check_setmode_t)(struct ucred *cred, 400 struct shmfd *shmfd, struct label *shmlabel, 401 mode_t mode); 402 typedef int (*mpo_posixshm_check_setowner_t)(struct ucred *cred, 403 struct shmfd *shmfd, struct label *shmlabel, 404 uid_t uid, gid_t gid); 405 typedef int (*mpo_posixshm_check_stat_t)(struct ucred *active_cred, 406 struct ucred *file_cred, struct shmfd *shmfd, 407 struct label *shmlabel); 408 typedef int (*mpo_posixshm_check_truncate_t)(struct ucred *active_cred, 409 struct ucred *file_cred, struct shmfd *shmfd, 410 struct label *shmlabel); 411 typedef int (*mpo_posixshm_check_unlink_t)(struct ucred *cred, 412 struct shmfd *shmfd, struct label *shmlabel); 413 typedef int (*mpo_posixshm_check_write_t)(struct ucred *active_cred, 414 struct ucred *file_cred, struct shmfd *shmfd, 415 struct label *shmlabel); 416 typedef void (*mpo_posixshm_create_t)(struct ucred *cred, 417 struct shmfd *shmfd, struct label *shmlabel); 418 typedef void (*mpo_posixshm_destroy_label_t)(struct label *label); 419 typedef void (*mpo_posixshm_init_label_t)(struct label *label); 420 421 typedef int (*mpo_prison_init_label_t)(struct label *label, int flag); 422 typedef int (*mpo_prison_check_relabel_t)(struct ucred *cred, 423 struct prison *pr, struct label *prlabel, 424 struct label *newlabel); 425 typedef void (*mpo_prison_destroy_label_t)(struct label *label); 426 typedef void (*mpo_prison_copy_label_t)(struct label *src, 427 struct label *dest); 428 typedef int (*mpo_prison_externalize_label_t)(struct label *label, 429 char *element_name, struct sbuf *sb, int *claimed); 430 typedef int (*mpo_prison_internalize_label_t)(struct label *label, 431 char *element_name, char *element_data, int *claimed); 432 typedef void (*mpo_prison_relabel_t)(struct ucred *cred, struct prison *pr, 433 struct label *prlabel, struct label *newlabel); 434 typedef int (*mpo_prison_check_attach_t)(struct ucred *cred, 435 struct prison *pr, struct label *prlabel); 436 typedef int (*mpo_prison_check_create_t)(struct ucred *cred, 437 struct vfsoptlist *opts, int flags); 438 typedef int (*mpo_prison_check_get_t)(struct ucred *cred, 439 struct prison *pr, struct label *prlabel, 440 struct vfsoptlist *opts, int flags); 441 typedef int (*mpo_prison_check_set_t)(struct ucred *cred, 442 struct prison *pr, struct label *prlabel, 443 struct vfsoptlist *opts, int flags); 444 typedef int (*mpo_prison_check_remove_t)(struct ucred *cred, 445 struct prison *pr, struct label *prlabel); 446 typedef void (*mpo_prison_created_t)(struct ucred *cred, 447 struct prison *pr, struct label *prlabel); 448 typedef void (*mpo_prison_cleanup_t)(struct ucred *cred, 449 struct prison *pr); 450 typedef void (*mpo_prison_attached_t)(struct ucred *cred, 451 struct prison *pr, struct label *prlabel, struct proc *p, 452 struct label *proclabel); 453 454 typedef int (*mpo_priv_check_t)(struct ucred *cred, int priv); 455 typedef int (*mpo_priv_grant_t)(struct ucred *cred, int priv); 456 457 typedef int (*mpo_proc_check_debug_t)(struct ucred *cred, 458 struct proc *p); 459 typedef int (*mpo_proc_check_sched_t)(struct ucred *cred, 460 struct proc *p); 461 typedef int (*mpo_proc_check_signal_t)(struct ucred *cred, 462 struct proc *proc, int signum); 463 typedef int (*mpo_proc_check_wait_t)(struct ucred *cred, 464 struct proc *proc); 465 typedef void (*mpo_proc_destroy_label_t)(struct label *label); 466 typedef void (*mpo_proc_init_label_t)(struct label *label); 467 468 typedef int (*mpo_socket_check_accept_t)(struct ucred *cred, 469 struct socket *so, struct label *solabel); 470 typedef int (*mpo_socket_check_bind_t)(struct ucred *cred, 471 struct socket *so, struct label *solabel, 472 struct sockaddr *sa); 473 typedef int (*mpo_socket_check_connect_t)(struct ucred *cred, 474 struct socket *so, struct label *solabel, 475 struct sockaddr *sa); 476 typedef int (*mpo_socket_check_create_t)(struct ucred *cred, int domain, 477 int type, int protocol); 478 typedef int (*mpo_socket_check_deliver_t)(struct socket *so, 479 struct label *solabel, struct mbuf *m, 480 struct label *mlabel); 481 typedef int (*mpo_socket_check_listen_t)(struct ucred *cred, 482 struct socket *so, struct label *solabel); 483 typedef int (*mpo_socket_check_poll_t)(struct ucred *cred, 484 struct socket *so, struct label *solabel); 485 typedef int (*mpo_socket_check_receive_t)(struct ucred *cred, 486 struct socket *so, struct label *solabel); 487 typedef int (*mpo_socket_check_relabel_t)(struct ucred *cred, 488 struct socket *so, struct label *solabel, 489 struct label *newlabel); 490 typedef int (*mpo_socket_check_send_t)(struct ucred *cred, 491 struct socket *so, struct label *solabel); 492 typedef int (*mpo_socket_check_stat_t)(struct ucred *cred, 493 struct socket *so, struct label *solabel); 494 typedef int (*mpo_socket_check_visible_t)(struct ucred *cred, 495 struct socket *so, struct label *solabel); 496 typedef void (*mpo_socket_copy_label_t)(struct label *src, 497 struct label *dest); 498 typedef void (*mpo_socket_create_t)(struct ucred *cred, struct socket *so, 499 struct label *solabel); 500 typedef void (*mpo_socket_create_mbuf_t)(struct socket *so, 501 struct label *solabel, struct mbuf *m, 502 struct label *mlabel); 503 typedef void (*mpo_socket_destroy_label_t)(struct label *label); 504 typedef int (*mpo_socket_externalize_label_t)(struct label *label, 505 char *element_name, struct sbuf *sb, int *claimed); 506 typedef int (*mpo_socket_init_label_t)(struct label *label, int flag); 507 typedef int (*mpo_socket_internalize_label_t)(struct label *label, 508 char *element_name, char *element_data, int *claimed); 509 typedef void (*mpo_socket_newconn_t)(struct socket *oldso, 510 struct label *oldsolabel, struct socket *newso, 511 struct label *newsolabel); 512 typedef void (*mpo_socket_relabel_t)(struct ucred *cred, struct socket *so, 513 struct label *oldlabel, struct label *newlabel); 514 515 typedef void (*mpo_socketpeer_destroy_label_t)(struct label *label); 516 typedef int (*mpo_socketpeer_externalize_label_t)(struct label *label, 517 char *element_name, struct sbuf *sb, int *claimed); 518 typedef int (*mpo_socketpeer_init_label_t)(struct label *label, 519 int flag); 520 typedef void (*mpo_socketpeer_set_from_mbuf_t)(struct mbuf *m, 521 struct label *mlabel, struct socket *so, 522 struct label *sopeerlabel); 523 typedef void (*mpo_socketpeer_set_from_socket_t)(struct socket *oldso, 524 struct label *oldsolabel, struct socket *newso, 525 struct label *newsopeerlabel); 526 527 typedef void (*mpo_syncache_create_t)(struct label *label, 528 struct inpcb *inp); 529 typedef void (*mpo_syncache_create_mbuf_t)(struct label *sc_label, 530 struct mbuf *m, struct label *mlabel); 531 typedef void (*mpo_syncache_destroy_label_t)(struct label *label); 532 typedef int (*mpo_syncache_init_label_t)(struct label *label, int flag); 533 534 typedef int (*mpo_system_check_acct_t)(struct ucred *cred, 535 struct vnode *vp, struct label *vplabel); 536 typedef int (*mpo_system_check_audit_t)(struct ucred *cred, void *record, 537 int length); 538 typedef int (*mpo_system_check_auditctl_t)(struct ucred *cred, 539 struct vnode *vp, struct label *vplabel); 540 typedef int (*mpo_system_check_auditon_t)(struct ucred *cred, int cmd); 541 typedef int (*mpo_system_check_reboot_t)(struct ucred *cred, int howto); 542 typedef int (*mpo_system_check_swapon_t)(struct ucred *cred, 543 struct vnode *vp, struct label *vplabel); 544 typedef int (*mpo_system_check_swapoff_t)(struct ucred *cred, 545 struct vnode *vp, struct label *vplabel); 546 typedef int (*mpo_system_check_sysctl_t)(struct ucred *cred, 547 struct sysctl_oid *oidp, void *arg1, int arg2, 548 struct sysctl_req *req); 549 550 typedef void (*mpo_sysvmsg_cleanup_t)(struct label *msglabel); 551 typedef void (*mpo_sysvmsg_create_t)(struct ucred *cred, 552 struct msqid_kernel *msqkptr, struct label *msqlabel, 553 struct msg *msgptr, struct label *msglabel); 554 typedef void (*mpo_sysvmsg_destroy_label_t)(struct label *label); 555 typedef void (*mpo_sysvmsg_init_label_t)(struct label *label); 556 557 typedef int (*mpo_sysvmsq_check_msgmsq_t)(struct ucred *cred, 558 struct msg *msgptr, struct label *msglabel, 559 struct msqid_kernel *msqkptr, struct label *msqklabel); 560 typedef int (*mpo_sysvmsq_check_msgrcv_t)(struct ucred *cred, 561 struct msg *msgptr, struct label *msglabel); 562 typedef int (*mpo_sysvmsq_check_msgrmid_t)(struct ucred *cred, 563 struct msg *msgptr, struct label *msglabel); 564 typedef int (*mpo_sysvmsq_check_msqget_t)(struct ucred *cred, 565 struct msqid_kernel *msqkptr, struct label *msqklabel); 566 typedef int (*mpo_sysvmsq_check_msqctl_t)(struct ucred *cred, 567 struct msqid_kernel *msqkptr, struct label *msqklabel, 568 int cmd); 569 typedef int (*mpo_sysvmsq_check_msqrcv_t)(struct ucred *cred, 570 struct msqid_kernel *msqkptr, struct label *msqklabel); 571 typedef int (*mpo_sysvmsq_check_msqsnd_t)(struct ucred *cred, 572 struct msqid_kernel *msqkptr, struct label *msqklabel); 573 typedef void (*mpo_sysvmsq_cleanup_t)(struct label *msqlabel); 574 typedef void (*mpo_sysvmsq_create_t)(struct ucred *cred, 575 struct msqid_kernel *msqkptr, struct label *msqlabel); 576 typedef void (*mpo_sysvmsq_destroy_label_t)(struct label *label); 577 typedef void (*mpo_sysvmsq_init_label_t)(struct label *label); 578 579 typedef int (*mpo_sysvsem_check_semctl_t)(struct ucred *cred, 580 struct semid_kernel *semakptr, struct label *semaklabel, 581 int cmd); 582 typedef int (*mpo_sysvsem_check_semget_t)(struct ucred *cred, 583 struct semid_kernel *semakptr, struct label *semaklabel); 584 typedef int (*mpo_sysvsem_check_semop_t)(struct ucred *cred, 585 struct semid_kernel *semakptr, struct label *semaklabel, 586 size_t accesstype); 587 typedef void (*mpo_sysvsem_cleanup_t)(struct label *semalabel); 588 typedef void (*mpo_sysvsem_create_t)(struct ucred *cred, 589 struct semid_kernel *semakptr, struct label *semalabel); 590 typedef void (*mpo_sysvsem_destroy_label_t)(struct label *label); 591 typedef void (*mpo_sysvsem_init_label_t)(struct label *label); 592 593 typedef int (*mpo_sysvshm_check_shmat_t)(struct ucred *cred, 594 struct shmid_kernel *shmsegptr, 595 struct label *shmseglabel, int shmflg); 596 typedef int (*mpo_sysvshm_check_shmctl_t)(struct ucred *cred, 597 struct shmid_kernel *shmsegptr, 598 struct label *shmseglabel, int cmd); 599 typedef int (*mpo_sysvshm_check_shmdt_t)(struct ucred *cred, 600 struct shmid_kernel *shmsegptr, 601 struct label *shmseglabel); 602 typedef int (*mpo_sysvshm_check_shmget_t)(struct ucred *cred, 603 struct shmid_kernel *shmsegptr, 604 struct label *shmseglabel, int shmflg); 605 typedef void (*mpo_sysvshm_cleanup_t)(struct label *shmlabel); 606 typedef void (*mpo_sysvshm_create_t)(struct ucred *cred, 607 struct shmid_kernel *shmsegptr, struct label *shmlabel); 608 typedef void (*mpo_sysvshm_destroy_label_t)(struct label *label); 609 typedef void (*mpo_sysvshm_init_label_t)(struct label *label); 610 611 typedef void (*mpo_thread_userret_t)(struct thread *thread); 612 613 typedef int (*mpo_vnode_associate_extattr_t)(struct mount *mp, 614 struct label *mplabel, struct vnode *vp, 615 struct label *vplabel); 616 typedef void (*mpo_vnode_associate_singlelabel_t)(struct mount *mp, 617 struct label *mplabel, struct vnode *vp, 618 struct label *vplabel); 619 typedef int (*mpo_vnode_check_access_t)(struct ucred *cred, 620 struct vnode *vp, struct label *vplabel, 621 accmode_t accmode); 622 typedef int (*mpo_vnode_check_chdir_t)(struct ucred *cred, 623 struct vnode *dvp, struct label *dvplabel); 624 typedef int (*mpo_vnode_check_chroot_t)(struct ucred *cred, 625 struct vnode *dvp, struct label *dvplabel); 626 typedef int (*mpo_vnode_check_create_t)(struct ucred *cred, 627 struct vnode *dvp, struct label *dvplabel, 628 struct componentname *cnp, struct vattr *vap); 629 typedef int (*mpo_vnode_check_deleteacl_t)(struct ucred *cred, 630 struct vnode *vp, struct label *vplabel, 631 acl_type_t type); 632 typedef int (*mpo_vnode_check_deleteextattr_t)(struct ucred *cred, 633 struct vnode *vp, struct label *vplabel, 634 int attrnamespace, const char *name); 635 typedef int (*mpo_vnode_check_exec_t)(struct ucred *cred, 636 struct vnode *vp, struct label *vplabel, 637 struct image_params *imgp, struct label *execlabel); 638 typedef int (*mpo_vnode_check_getacl_t)(struct ucred *cred, 639 struct vnode *vp, struct label *vplabel, 640 acl_type_t type); 641 typedef int (*mpo_vnode_check_getextattr_t)(struct ucred *cred, 642 struct vnode *vp, struct label *vplabel, 643 int attrnamespace, const char *name); 644 typedef int (*mpo_vnode_check_link_t)(struct ucred *cred, 645 struct vnode *dvp, struct label *dvplabel, 646 struct vnode *vp, struct label *vplabel, 647 struct componentname *cnp); 648 typedef int (*mpo_vnode_check_listextattr_t)(struct ucred *cred, 649 struct vnode *vp, struct label *vplabel, 650 int attrnamespace); 651 typedef int (*mpo_vnode_check_lookup_t)(struct ucred *cred, 652 struct vnode *dvp, struct label *dvplabel, 653 struct componentname *cnp); 654 typedef int (*mpo_vnode_check_mmap_t)(struct ucred *cred, 655 struct vnode *vp, struct label *label, int prot, 656 int flags); 657 typedef void (*mpo_vnode_check_mmap_downgrade_t)(struct ucred *cred, 658 struct vnode *vp, struct label *vplabel, int *prot); 659 typedef int (*mpo_vnode_check_mprotect_t)(struct ucred *cred, 660 struct vnode *vp, struct label *vplabel, int prot); 661 typedef int (*mpo_vnode_check_open_t)(struct ucred *cred, 662 struct vnode *vp, struct label *vplabel, 663 accmode_t accmode); 664 typedef int (*mpo_vnode_check_poll_t)(struct ucred *active_cred, 665 struct ucred *file_cred, struct vnode *vp, 666 struct label *vplabel); 667 typedef int (*mpo_vnode_check_read_t)(struct ucred *active_cred, 668 struct ucred *file_cred, struct vnode *vp, 669 struct label *vplabel); 670 typedef int (*mpo_vnode_check_readdir_t)(struct ucred *cred, 671 struct vnode *dvp, struct label *dvplabel); 672 typedef int (*mpo_vnode_check_readlink_t)(struct ucred *cred, 673 struct vnode *vp, struct label *vplabel); 674 typedef int (*mpo_vnode_check_relabel_t)(struct ucred *cred, 675 struct vnode *vp, struct label *vplabel, 676 struct label *newlabel); 677 typedef int (*mpo_vnode_check_rename_from_t)(struct ucred *cred, 678 struct vnode *dvp, struct label *dvplabel, 679 struct vnode *vp, struct label *vplabel, 680 struct componentname *cnp); 681 typedef int (*mpo_vnode_check_rename_to_t)(struct ucred *cred, 682 struct vnode *dvp, struct label *dvplabel, 683 struct vnode *vp, struct label *vplabel, int samedir, 684 struct componentname *cnp); 685 typedef int (*mpo_vnode_check_revoke_t)(struct ucred *cred, 686 struct vnode *vp, struct label *vplabel); 687 typedef int (*mpo_vnode_check_setacl_t)(struct ucred *cred, 688 struct vnode *vp, struct label *vplabel, acl_type_t type, 689 struct acl *acl); 690 typedef int (*mpo_vnode_check_setextattr_t)(struct ucred *cred, 691 struct vnode *vp, struct label *vplabel, 692 int attrnamespace, const char *name); 693 typedef int (*mpo_vnode_check_setflags_t)(struct ucred *cred, 694 struct vnode *vp, struct label *vplabel, u_long flags); 695 typedef int (*mpo_vnode_check_setmode_t)(struct ucred *cred, 696 struct vnode *vp, struct label *vplabel, mode_t mode); 697 typedef int (*mpo_vnode_check_setowner_t)(struct ucred *cred, 698 struct vnode *vp, struct label *vplabel, uid_t uid, 699 gid_t gid); 700 typedef int (*mpo_vnode_check_setutimes_t)(struct ucred *cred, 701 struct vnode *vp, struct label *vplabel, 702 struct timespec atime, struct timespec mtime); 703 typedef int (*mpo_vnode_check_stat_t)(struct ucred *active_cred, 704 struct ucred *file_cred, struct vnode *vp, 705 struct label *vplabel); 706 typedef int (*mpo_vnode_check_unlink_t)(struct ucred *cred, 707 struct vnode *dvp, struct label *dvplabel, 708 struct vnode *vp, struct label *vplabel, 709 struct componentname *cnp); 710 typedef int (*mpo_vnode_check_write_t)(struct ucred *active_cred, 711 struct ucred *file_cred, struct vnode *vp, 712 struct label *vplabel); 713 typedef void (*mpo_vnode_copy_label_t)(struct label *src, 714 struct label *dest); 715 typedef int (*mpo_vnode_create_extattr_t)(struct ucred *cred, 716 struct mount *mp, struct label *mplabel, 717 struct vnode *dvp, struct label *dvplabel, 718 struct vnode *vp, struct label *vplabel, 719 struct componentname *cnp); 720 typedef void (*mpo_vnode_destroy_label_t)(struct label *label); 721 typedef void (*mpo_vnode_execve_transition_t)(struct ucred *old, 722 struct ucred *new, struct vnode *vp, 723 struct label *vplabel, struct label *interpvplabel, 724 struct image_params *imgp, struct label *execlabel); 725 typedef int (*mpo_vnode_execve_will_transition_t)(struct ucred *old, 726 struct vnode *vp, struct label *vplabel, 727 struct label *interpvplabel, struct image_params *imgp, 728 struct label *execlabel); 729 typedef int (*mpo_vnode_externalize_label_t)(struct label *label, 730 char *element_name, struct sbuf *sb, int *claimed); 731 typedef void (*mpo_vnode_init_label_t)(struct label *label); 732 typedef int (*mpo_vnode_internalize_label_t)(struct label *label, 733 char *element_name, char *element_data, int *claimed); 734 typedef void (*mpo_vnode_relabel_t)(struct ucred *cred, struct vnode *vp, 735 struct label *vplabel, struct label *label); 736 typedef int (*mpo_vnode_setlabel_extattr_t)(struct ucred *cred, 737 struct vnode *vp, struct label *vplabel, 738 struct label *intlabel); 739 740 struct mac_policy_ops { 741 /* 742 * Policy module operations. 743 */ 744 mpo_destroy_t mpo_destroy; 745 mpo_init_t mpo_init; 746 747 /* 748 * General policy-directed security system call so that policies may 749 * implement new services without reserving explicit system call 750 * numbers. 751 */ 752 mpo_syscall_t mpo_syscall; 753 754 /* 755 * Label operations. Initialize label storage, destroy label 756 * storage, recycle for re-use without init/destroy, copy a label to 757 * initialized storage, and externalize/internalize from/to 758 * initialized storage. 759 */ 760 mpo_bpfdesc_check_receive_t mpo_bpfdesc_check_receive; 761 mpo_bpfdesc_create_t mpo_bpfdesc_create; 762 mpo_bpfdesc_create_mbuf_t mpo_bpfdesc_create_mbuf; 763 mpo_bpfdesc_destroy_label_t mpo_bpfdesc_destroy_label; 764 mpo_bpfdesc_init_label_t mpo_bpfdesc_init_label; 765 766 mpo_cred_associate_nfsd_t mpo_cred_associate_nfsd; 767 mpo_cred_check_relabel_t mpo_cred_check_relabel; 768 mpo_cred_check_setaudit_t mpo_cred_check_setaudit; 769 mpo_cred_check_setaudit_addr_t mpo_cred_check_setaudit_addr; 770 mpo_cred_check_setauid_t mpo_cred_check_setauid; 771 mpo_cred_setcred_enter_t mpo_cred_setcred_enter; 772 mpo_cred_check_setcred_t mpo_cred_check_setcred; 773 mpo_cred_setcred_exit_t mpo_cred_setcred_exit; 774 mpo_cred_check_setuid_t mpo_cred_check_setuid; 775 mpo_cred_check_seteuid_t mpo_cred_check_seteuid; 776 mpo_cred_check_setgid_t mpo_cred_check_setgid; 777 mpo_cred_check_setegid_t mpo_cred_check_setegid; 778 mpo_cred_check_setgroups_t mpo_cred_check_setgroups; 779 mpo_cred_check_setreuid_t mpo_cred_check_setreuid; 780 mpo_cred_check_setregid_t mpo_cred_check_setregid; 781 mpo_cred_check_setresuid_t mpo_cred_check_setresuid; 782 mpo_cred_check_setresgid_t mpo_cred_check_setresgid; 783 mpo_cred_check_visible_t mpo_cred_check_visible; 784 mpo_cred_copy_label_t mpo_cred_copy_label; 785 mpo_cred_create_kproc0_t mpo_cred_create_kproc0; 786 mpo_cred_create_init_t mpo_cred_create_init; 787 mpo_cred_destroy_label_t mpo_cred_destroy_label; 788 mpo_cred_externalize_label_t mpo_cred_externalize_label; 789 mpo_cred_init_label_t mpo_cred_init_label; 790 mpo_cred_internalize_label_t mpo_cred_internalize_label; 791 mpo_cred_relabel_t mpo_cred_relabel; 792 793 mpo_ddb_command_register_t mpo_ddb_command_register; 794 mpo_ddb_command_exec_t mpo_ddb_command_exec; 795 796 mpo_devfs_create_device_t mpo_devfs_create_device; 797 mpo_devfs_create_directory_t mpo_devfs_create_directory; 798 mpo_devfs_create_symlink_t mpo_devfs_create_symlink; 799 mpo_devfs_destroy_label_t mpo_devfs_destroy_label; 800 mpo_devfs_init_label_t mpo_devfs_init_label; 801 mpo_devfs_update_t mpo_devfs_update; 802 mpo_devfs_vnode_associate_t mpo_devfs_vnode_associate; 803 804 mpo_ifnet_check_relabel_t mpo_ifnet_check_relabel; 805 mpo_ifnet_check_transmit_t mpo_ifnet_check_transmit; 806 mpo_ifnet_copy_label_t mpo_ifnet_copy_label; 807 mpo_ifnet_create_t mpo_ifnet_create; 808 mpo_ifnet_create_mbuf_t mpo_ifnet_create_mbuf; 809 mpo_ifnet_destroy_label_t mpo_ifnet_destroy_label; 810 mpo_ifnet_externalize_label_t mpo_ifnet_externalize_label; 811 mpo_ifnet_init_label_t mpo_ifnet_init_label; 812 mpo_ifnet_internalize_label_t mpo_ifnet_internalize_label; 813 mpo_ifnet_relabel_t mpo_ifnet_relabel; 814 815 mpo_inpcb_check_deliver_t mpo_inpcb_check_deliver; 816 mpo_inpcb_check_visible_t mpo_inpcb_check_visible; 817 mpo_inpcb_create_t mpo_inpcb_create; 818 mpo_inpcb_create_mbuf_t mpo_inpcb_create_mbuf; 819 mpo_inpcb_destroy_label_t mpo_inpcb_destroy_label; 820 mpo_inpcb_init_label_t mpo_inpcb_init_label; 821 mpo_inpcb_sosetlabel_t mpo_inpcb_sosetlabel; 822 823 mpo_ip4_check_jail_t mpo_ip4_check_jail; 824 mpo_ip6_check_jail_t mpo_ip6_check_jail; 825 826 mpo_ip6q_create_t mpo_ip6q_create; 827 mpo_ip6q_destroy_label_t mpo_ip6q_destroy_label; 828 mpo_ip6q_init_label_t mpo_ip6q_init_label; 829 mpo_ip6q_match_t mpo_ip6q_match; 830 mpo_ip6q_reassemble mpo_ip6q_reassemble; 831 mpo_ip6q_update_t mpo_ip6q_update; 832 833 mpo_ipq_create_t mpo_ipq_create; 834 mpo_ipq_destroy_label_t mpo_ipq_destroy_label; 835 mpo_ipq_init_label_t mpo_ipq_init_label; 836 mpo_ipq_match_t mpo_ipq_match; 837 mpo_ipq_reassemble mpo_ipq_reassemble; 838 mpo_ipq_update_t mpo_ipq_update; 839 840 mpo_kdb_check_backend_t mpo_kdb_check_backend; 841 842 mpo_kenv_check_dump_t mpo_kenv_check_dump; 843 mpo_kenv_check_get_t mpo_kenv_check_get; 844 mpo_kenv_check_set_t mpo_kenv_check_set; 845 mpo_kenv_check_unset_t mpo_kenv_check_unset; 846 847 mpo_kld_check_load_t mpo_kld_check_load; 848 mpo_kld_check_stat_t mpo_kld_check_stat; 849 850 mpo_mbuf_copy_label_t mpo_mbuf_copy_label; 851 mpo_mbuf_destroy_label_t mpo_mbuf_destroy_label; 852 mpo_mbuf_init_label_t mpo_mbuf_init_label; 853 854 mpo_mount_check_stat_t mpo_mount_check_stat; 855 mpo_mount_create_t mpo_mount_create; 856 mpo_mount_destroy_label_t mpo_mount_destroy_label; 857 mpo_mount_init_label_t mpo_mount_init_label; 858 mpo_mount_check_mount_t mpo_mount_check_mount; 859 mpo_mount_check_update_t mpo_mount_check_update; 860 mpo_mount_check_unmount_t mpo_mount_check_unmount; 861 862 mpo_netinet_arp_send_t mpo_netinet_arp_send; 863 mpo_netinet_firewall_reply_t mpo_netinet_firewall_reply; 864 mpo_netinet_firewall_send_t mpo_netinet_firewall_send; 865 mpo_netinet_fragment_t mpo_netinet_fragment; 866 mpo_netinet_icmp_reply_t mpo_netinet_icmp_reply; 867 mpo_netinet_icmp_replyinplace_t mpo_netinet_icmp_replyinplace; 868 mpo_netinet_igmp_send_t mpo_netinet_igmp_send; 869 mpo_netinet_tcp_reply_t mpo_netinet_tcp_reply; 870 871 mpo_netinet6_nd6_send_t mpo_netinet6_nd6_send; 872 873 mpo_pipe_check_ioctl_t mpo_pipe_check_ioctl; 874 mpo_pipe_check_poll_t mpo_pipe_check_poll; 875 mpo_pipe_check_read_t mpo_pipe_check_read; 876 mpo_pipe_check_relabel_t mpo_pipe_check_relabel; 877 mpo_pipe_check_stat_t mpo_pipe_check_stat; 878 mpo_pipe_check_write_t mpo_pipe_check_write; 879 mpo_pipe_copy_label_t mpo_pipe_copy_label; 880 mpo_pipe_create_t mpo_pipe_create; 881 mpo_pipe_destroy_label_t mpo_pipe_destroy_label; 882 mpo_pipe_externalize_label_t mpo_pipe_externalize_label; 883 mpo_pipe_init_label_t mpo_pipe_init_label; 884 mpo_pipe_internalize_label_t mpo_pipe_internalize_label; 885 mpo_pipe_relabel_t mpo_pipe_relabel; 886 887 mpo_posixsem_check_getvalue_t mpo_posixsem_check_getvalue; 888 mpo_posixsem_check_open_t mpo_posixsem_check_open; 889 mpo_posixsem_check_post_t mpo_posixsem_check_post; 890 mpo_posixsem_check_setmode_t mpo_posixsem_check_setmode; 891 mpo_posixsem_check_setowner_t mpo_posixsem_check_setowner; 892 mpo_posixsem_check_stat_t mpo_posixsem_check_stat; 893 mpo_posixsem_check_unlink_t mpo_posixsem_check_unlink; 894 mpo_posixsem_check_wait_t mpo_posixsem_check_wait; 895 mpo_posixsem_create_t mpo_posixsem_create; 896 mpo_posixsem_destroy_label_t mpo_posixsem_destroy_label; 897 mpo_posixsem_init_label_t mpo_posixsem_init_label; 898 899 mpo_posixshm_check_create_t mpo_posixshm_check_create; 900 mpo_posixshm_check_mmap_t mpo_posixshm_check_mmap; 901 mpo_posixshm_check_open_t mpo_posixshm_check_open; 902 mpo_posixshm_check_read_t mpo_posixshm_check_read; 903 mpo_posixshm_check_setmode_t mpo_posixshm_check_setmode; 904 mpo_posixshm_check_setowner_t mpo_posixshm_check_setowner; 905 mpo_posixshm_check_stat_t mpo_posixshm_check_stat; 906 mpo_posixshm_check_truncate_t mpo_posixshm_check_truncate; 907 mpo_posixshm_check_unlink_t mpo_posixshm_check_unlink; 908 mpo_posixshm_check_write_t mpo_posixshm_check_write; 909 mpo_posixshm_create_t mpo_posixshm_create; 910 mpo_posixshm_destroy_label_t mpo_posixshm_destroy_label; 911 mpo_posixshm_init_label_t mpo_posixshm_init_label; 912 913 mpo_prison_init_label_t mpo_prison_init_label; 914 mpo_prison_check_relabel_t mpo_prison_check_relabel; 915 mpo_prison_destroy_label_t mpo_prison_destroy_label; 916 mpo_prison_copy_label_t mpo_prison_copy_label; 917 mpo_prison_externalize_label_t mpo_prison_externalize_label; 918 mpo_prison_internalize_label_t mpo_prison_internalize_label; 919 mpo_prison_relabel_t mpo_prison_relabel; 920 mpo_prison_check_attach_t mpo_prison_check_attach; 921 mpo_prison_check_create_t mpo_prison_check_create; 922 mpo_prison_check_get_t mpo_prison_check_get; 923 mpo_prison_check_set_t mpo_prison_check_set; 924 mpo_prison_check_remove_t mpo_prison_check_remove; 925 mpo_prison_created_t mpo_prison_created; 926 mpo_prison_cleanup_t mpo_prison_cleanup; 927 mpo_prison_attached_t mpo_prison_attached; 928 929 mpo_priv_check_t mpo_priv_check; 930 mpo_priv_grant_t mpo_priv_grant; 931 932 mpo_proc_check_debug_t mpo_proc_check_debug; 933 mpo_proc_check_sched_t mpo_proc_check_sched; 934 mpo_proc_check_signal_t mpo_proc_check_signal; 935 mpo_proc_check_wait_t mpo_proc_check_wait; 936 mpo_proc_destroy_label_t mpo_proc_destroy_label; 937 mpo_proc_init_label_t mpo_proc_init_label; 938 939 mpo_socket_check_accept_t mpo_socket_check_accept; 940 mpo_socket_check_bind_t mpo_socket_check_bind; 941 mpo_socket_check_connect_t mpo_socket_check_connect; 942 mpo_socket_check_create_t mpo_socket_check_create; 943 mpo_socket_check_deliver_t mpo_socket_check_deliver; 944 mpo_socket_check_listen_t mpo_socket_check_listen; 945 mpo_socket_check_poll_t mpo_socket_check_poll; 946 mpo_socket_check_receive_t mpo_socket_check_receive; 947 mpo_socket_check_relabel_t mpo_socket_check_relabel; 948 mpo_socket_check_send_t mpo_socket_check_send; 949 mpo_socket_check_stat_t mpo_socket_check_stat; 950 mpo_socket_check_visible_t mpo_socket_check_visible; 951 mpo_socket_copy_label_t mpo_socket_copy_label; 952 mpo_socket_create_t mpo_socket_create; 953 mpo_socket_create_mbuf_t mpo_socket_create_mbuf; 954 mpo_socket_destroy_label_t mpo_socket_destroy_label; 955 mpo_socket_externalize_label_t mpo_socket_externalize_label; 956 mpo_socket_init_label_t mpo_socket_init_label; 957 mpo_socket_internalize_label_t mpo_socket_internalize_label; 958 mpo_socket_newconn_t mpo_socket_newconn; 959 mpo_socket_relabel_t mpo_socket_relabel; 960 961 mpo_socketpeer_destroy_label_t mpo_socketpeer_destroy_label; 962 mpo_socketpeer_externalize_label_t mpo_socketpeer_externalize_label; 963 mpo_socketpeer_init_label_t mpo_socketpeer_init_label; 964 mpo_socketpeer_set_from_mbuf_t mpo_socketpeer_set_from_mbuf; 965 mpo_socketpeer_set_from_socket_t mpo_socketpeer_set_from_socket; 966 967 mpo_syncache_init_label_t mpo_syncache_init_label; 968 mpo_syncache_destroy_label_t mpo_syncache_destroy_label; 969 mpo_syncache_create_t mpo_syncache_create; 970 mpo_syncache_create_mbuf_t mpo_syncache_create_mbuf; 971 972 mpo_system_check_acct_t mpo_system_check_acct; 973 mpo_system_check_audit_t mpo_system_check_audit; 974 mpo_system_check_auditctl_t mpo_system_check_auditctl; 975 mpo_system_check_auditon_t mpo_system_check_auditon; 976 mpo_system_check_reboot_t mpo_system_check_reboot; 977 mpo_system_check_swapon_t mpo_system_check_swapon; 978 mpo_system_check_swapoff_t mpo_system_check_swapoff; 979 mpo_system_check_sysctl_t mpo_system_check_sysctl; 980 981 mpo_sysvmsg_cleanup_t mpo_sysvmsg_cleanup; 982 mpo_sysvmsg_create_t mpo_sysvmsg_create; 983 mpo_sysvmsg_destroy_label_t mpo_sysvmsg_destroy_label; 984 mpo_sysvmsg_init_label_t mpo_sysvmsg_init_label; 985 986 mpo_sysvmsq_check_msgmsq_t mpo_sysvmsq_check_msgmsq; 987 mpo_sysvmsq_check_msgrcv_t mpo_sysvmsq_check_msgrcv; 988 mpo_sysvmsq_check_msgrmid_t mpo_sysvmsq_check_msgrmid; 989 mpo_sysvmsq_check_msqctl_t mpo_sysvmsq_check_msqctl; 990 mpo_sysvmsq_check_msqget_t mpo_sysvmsq_check_msqget; 991 mpo_sysvmsq_check_msqrcv_t mpo_sysvmsq_check_msqrcv; 992 mpo_sysvmsq_check_msqsnd_t mpo_sysvmsq_check_msqsnd; 993 mpo_sysvmsq_cleanup_t mpo_sysvmsq_cleanup; 994 mpo_sysvmsq_create_t mpo_sysvmsq_create; 995 mpo_sysvmsq_destroy_label_t mpo_sysvmsq_destroy_label; 996 mpo_sysvmsq_init_label_t mpo_sysvmsq_init_label; 997 998 mpo_sysvsem_check_semctl_t mpo_sysvsem_check_semctl; 999 mpo_sysvsem_check_semget_t mpo_sysvsem_check_semget; 1000 mpo_sysvsem_check_semop_t mpo_sysvsem_check_semop; 1001 mpo_sysvsem_cleanup_t mpo_sysvsem_cleanup; 1002 mpo_sysvsem_create_t mpo_sysvsem_create; 1003 mpo_sysvsem_destroy_label_t mpo_sysvsem_destroy_label; 1004 mpo_sysvsem_init_label_t mpo_sysvsem_init_label; 1005 1006 mpo_sysvshm_check_shmat_t mpo_sysvshm_check_shmat; 1007 mpo_sysvshm_check_shmctl_t mpo_sysvshm_check_shmctl; 1008 mpo_sysvshm_check_shmdt_t mpo_sysvshm_check_shmdt; 1009 mpo_sysvshm_check_shmget_t mpo_sysvshm_check_shmget; 1010 mpo_sysvshm_cleanup_t mpo_sysvshm_cleanup; 1011 mpo_sysvshm_create_t mpo_sysvshm_create; 1012 mpo_sysvshm_destroy_label_t mpo_sysvshm_destroy_label; 1013 mpo_sysvshm_init_label_t mpo_sysvshm_init_label; 1014 1015 mpo_thread_userret_t mpo_thread_userret; 1016 1017 mpo_vnode_check_access_t mpo_vnode_check_access; 1018 mpo_vnode_check_chdir_t mpo_vnode_check_chdir; 1019 mpo_vnode_check_chroot_t mpo_vnode_check_chroot; 1020 mpo_vnode_check_create_t mpo_vnode_check_create; 1021 mpo_vnode_check_deleteacl_t mpo_vnode_check_deleteacl; 1022 mpo_vnode_check_deleteextattr_t mpo_vnode_check_deleteextattr; 1023 mpo_vnode_check_exec_t mpo_vnode_check_exec; 1024 mpo_vnode_check_getacl_t mpo_vnode_check_getacl; 1025 mpo_vnode_check_getextattr_t mpo_vnode_check_getextattr; 1026 mpo_vnode_check_link_t mpo_vnode_check_link; 1027 mpo_vnode_check_listextattr_t mpo_vnode_check_listextattr; 1028 mpo_vnode_check_lookup_t mpo_vnode_check_lookup; 1029 mpo_vnode_check_mmap_t mpo_vnode_check_mmap; 1030 mpo_vnode_check_mmap_downgrade_t mpo_vnode_check_mmap_downgrade; 1031 mpo_vnode_check_mprotect_t mpo_vnode_check_mprotect; 1032 mpo_vnode_check_open_t mpo_vnode_check_open; 1033 mpo_vnode_check_poll_t mpo_vnode_check_poll; 1034 mpo_vnode_check_read_t mpo_vnode_check_read; 1035 mpo_vnode_check_readdir_t mpo_vnode_check_readdir; 1036 mpo_vnode_check_readlink_t mpo_vnode_check_readlink; 1037 mpo_vnode_check_relabel_t mpo_vnode_check_relabel; 1038 mpo_vnode_check_rename_from_t mpo_vnode_check_rename_from; 1039 mpo_vnode_check_rename_to_t mpo_vnode_check_rename_to; 1040 mpo_vnode_check_revoke_t mpo_vnode_check_revoke; 1041 mpo_vnode_check_setacl_t mpo_vnode_check_setacl; 1042 mpo_vnode_check_setextattr_t mpo_vnode_check_setextattr; 1043 mpo_vnode_check_setflags_t mpo_vnode_check_setflags; 1044 mpo_vnode_check_setmode_t mpo_vnode_check_setmode; 1045 mpo_vnode_check_setowner_t mpo_vnode_check_setowner; 1046 mpo_vnode_check_setutimes_t mpo_vnode_check_setutimes; 1047 mpo_vnode_check_stat_t mpo_vnode_check_stat; 1048 mpo_vnode_check_unlink_t mpo_vnode_check_unlink; 1049 mpo_vnode_check_write_t mpo_vnode_check_write; 1050 mpo_vnode_associate_extattr_t mpo_vnode_associate_extattr; 1051 mpo_vnode_associate_singlelabel_t mpo_vnode_associate_singlelabel; 1052 mpo_vnode_destroy_label_t mpo_vnode_destroy_label; 1053 mpo_vnode_copy_label_t mpo_vnode_copy_label; 1054 mpo_vnode_create_extattr_t mpo_vnode_create_extattr; 1055 mpo_vnode_execve_transition_t mpo_vnode_execve_transition; 1056 mpo_vnode_execve_will_transition_t mpo_vnode_execve_will_transition; 1057 mpo_vnode_externalize_label_t mpo_vnode_externalize_label; 1058 mpo_vnode_init_label_t mpo_vnode_init_label; 1059 mpo_vnode_internalize_label_t mpo_vnode_internalize_label; 1060 mpo_vnode_relabel_t mpo_vnode_relabel; 1061 mpo_vnode_setlabel_extattr_t mpo_vnode_setlabel_extattr; 1062 }; 1063 1064 /* 1065 * struct mac_policy_conf is the registration structure for policies, and is 1066 * provided to the MAC Framework using MAC_POLICY_SET() to invoke a SYSINIT 1067 * to register the policy. In general, the fields are immutable, with the 1068 * exception of the "security field", run-time flags, and policy list entry, 1069 * which are managed by the MAC Framework. Be careful when modifying this 1070 * structure, as its layout is statically compiled into all policies. 1071 */ 1072 struct mac_policy_conf { 1073 const char *mpc_name; /* policy name */ 1074 const char *mpc_fullname; /* policy full name */ 1075 const struct mac_policy_ops *mpc_ops; /* policy operations */ 1076 int mpc_loadtime_flags; /* flags */ 1077 int *mpc_field_off; /* security field */ 1078 int mpc_runtime_flags; /* flags */ 1079 int _mpc_spare1; /* Spare. */ 1080 uint64_t _mpc_spare2; /* Spare. */ 1081 uint64_t _mpc_spare3; /* Spare. */ 1082 void *_mpc_spare4; /* Spare. */ 1083 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */ 1084 }; 1085 1086 /* Flags for the mpc_loadtime_flags field. */ 1087 #define MPC_LOADTIME_FLAG_NOTLATE 0x00000001 1088 #define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002 1089 1090 /* Flags for the mpc_runtime_flags field. */ 1091 #define MPC_RUNTIME_FLAG_REGISTERED 0x00000001 1092 1093 /*- 1094 * The TrustedBSD MAC Framework has a major version number, MAC_VERSION, 1095 * which defines the ABI of the Framework present in the kernel (and depended 1096 * on by policy modules compiled against that kernel). Currently, 1097 * MAC_POLICY_SET() requires that the kernel and module ABI version numbers 1098 * exactly match. The following major versions have been defined to date: 1099 * 1100 * MAC version FreeBSD versions 1101 * 1 5.x 1102 * 2 6.x 1103 * 3 7.x 1104 * 4 8.x 1105 * 5 14.x 1106 * 6 15.x 1107 * 7 16.x 1108 */ 1109 #define MAC_VERSION 7 1110 1111 #define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \ 1112 static struct mac_policy_conf mpname##_mac_policy_conf = { \ 1113 .mpc_name = #mpname, \ 1114 .mpc_fullname = mpfullname, \ 1115 .mpc_ops = mpops, \ 1116 .mpc_loadtime_flags = mpflags, \ 1117 .mpc_field_off = privdata_wanted, \ 1118 }; \ 1119 static moduledata_t mpname##_mod = { \ 1120 #mpname, \ 1121 mac_policy_modevent, \ 1122 &mpname##_mac_policy_conf \ 1123 }; \ 1124 MODULE_DEPEND(mpname, kernel_mac_support, MAC_VERSION, \ 1125 MAC_VERSION, MAC_VERSION); \ 1126 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \ 1127 SI_ORDER_MIDDLE) 1128 1129 int mac_policy_modevent(module_t mod, int type, void *data); 1130 1131 /* 1132 * Policy interface to map a struct label pointer to per-policy data. 1133 * Typically, policies wrap this in their own accessor macro that casts a 1134 * uintptr_t to a policy-specific data type. 1135 */ 1136 intptr_t mac_label_get(struct label *l, int slot); 1137 void mac_label_set(struct label *l, int slot, intptr_t v); 1138 1139 /* 1140 * Common MAC Framework's sysctl and jail parameters' sysctl nodes' declarations. 1141 * 1142 * Headers <sys/jail.h> and <sys/sysctl.h> normally have to be included before 1143 * this header as style(9) hints to. If they weren't, just forego the 1144 * corresponding declarations, assuming they are not needed. 1145 */ 1146 #ifdef SYSCTL_DECL 1147 SYSCTL_DECL(_security_mac); 1148 #endif 1149 1150 #ifdef SYSCTL_JAIL_PARAM_DECL 1151 SYSCTL_JAIL_PARAM_DECL(mac); 1152 #endif 1153 1154 #endif /* !_SECURITY_MAC_MAC_POLICY_H_ */ 1155