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