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