1 /*- 2 * Copyright (c) 1999-2002, 2007 Robert N. M. Watson 3 * Copyright (c) 2001-2005 Networks Associates Technology, Inc. 4 * Copyright (c) 2005-2006 SPARTA, Inc. 5 * All rights reserved. 6 * 7 * This software was developed by Robert Watson for the TrustedBSD Project. 8 * 9 * This software was developed for the FreeBSD Project in part by Network 10 * Associates Laboratories, the Security Research Division of Network 11 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), 12 * as part of the DARPA CHATS research program. 13 * 14 * This software was enhanced by SPARTA ISSO under SPAWAR contract 15 * N66001-04-C-6019 ("SEFOS"). 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions 19 * are met: 20 * 1. Redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer. 22 * 2. Redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * $FreeBSD$ 39 */ 40 /* 41 * Kernel interface for MAC policy modules. 42 */ 43 #ifndef _SYS_SECURITY_MAC_MAC_POLICY_H_ 44 #define _SYS_SECURITY_MAC_MAC_POLICY_H_ 45 46 #ifndef _KERNEL 47 #error "no user-serviceable parts inside" 48 #endif 49 50 /*- 51 * Pluggable access control policy definition structure. 52 * 53 * List of operations that are performed as part of the implementation of a 54 * MAC policy. Policy implementors declare operations with a mac_policy_ops 55 * structure, and using the MAC_POLICY_SET() macro. If an entry point is not 56 * declared, then then the policy will be ignored during evaluation of that 57 * event or check. 58 * 59 * Operations are sorted first by general class of operation, then 60 * alphabetically. 61 */ 62 #include <sys/acl.h> /* XXX acl_type_t */ 63 64 struct acl; 65 struct auditinfo; 66 struct auditinfo_addr; 67 struct bpf_d; 68 struct cdev; 69 struct componentname; 70 struct devfs_dirent; 71 struct ifnet; 72 struct image_params; 73 struct inpcb; 74 struct ipq; 75 struct ksem; 76 struct label; 77 struct mac_policy_conf; 78 struct mbuf; 79 struct mount; 80 struct msg; 81 struct msqid_kernel; 82 struct pipepair; 83 struct proc; 84 struct sbuf; 85 struct semid_kernel; 86 struct shmid_kernel; 87 struct sockaddr; 88 struct socket; 89 struct sysctl_oid; 90 struct sysctl_req; 91 struct thread; 92 struct ucred; 93 struct uio; 94 struct vattr; 95 struct vnode; 96 97 /* 98 * Policy module operations. 99 */ 100 typedef void (*mpo_destroy_t)(struct mac_policy_conf *mpc); 101 typedef void (*mpo_init_t)(struct mac_policy_conf *mpc); 102 103 /* 104 * General policy-directed security system call so that policies may 105 * implement new services without reserving explicit system call numbers. 106 */ 107 typedef int (*mpo_syscall_t)(struct thread *td, int call, void *arg); 108 109 /* 110 * Place-holder function pointers for ABI-compatibility purposes. 111 */ 112 typedef void (*mpo_placeholder_t)(void); 113 114 /* 115 * Operations sorted alphabetically by primary object type and then method. 116 */ 117 typedef int (*mpo_bpfdesc_check_receive_t)(struct bpf_d *d, 118 struct label *dlabel, struct ifnet *ifp, 119 struct label *ifplabel); 120 typedef void (*mpo_bpfdesc_create_t)(struct ucred *cred, 121 struct bpf_d *d, struct label *dlabel); 122 typedef void (*mpo_bpfdesc_create_mbuf_t)(struct bpf_d *d, 123 struct label *dlabel, struct mbuf *m, 124 struct label *mlabel); 125 typedef void (*mpo_bpfdesc_destroy_label_t)(struct label *label); 126 typedef void (*mpo_bpfdesc_init_label_t)(struct label *label); 127 128 typedef int (*mpo_cred_check_relabel_t)(struct ucred *cred, 129 struct label *newlabel); 130 typedef int (*mpo_cred_check_visible_t)(struct ucred *cr1, 131 struct ucred *cr2); 132 typedef void (*mpo_cred_copy_label_t)(struct label *src, 133 struct label *dest); 134 typedef void (*mpo_cred_destroy_label_t)(struct label *label); 135 typedef int (*mpo_cred_externalize_label_t)(struct label *label, 136 char *element_name, struct sbuf *sb, int *claimed); 137 typedef void (*mpo_cred_init_label_t)(struct label *label); 138 typedef int (*mpo_cred_internalize_label_t)(struct label *label, 139 char *element_name, char *element_data, int *claimed); 140 typedef void (*mpo_cred_relabel_t)(struct ucred *cred, 141 struct label *newlabel); 142 143 typedef void (*mpo_devfs_create_device_t)(struct ucred *cred, 144 struct mount *mp, struct cdev *dev, 145 struct devfs_dirent *de, struct label *delabel); 146 typedef void (*mpo_devfs_create_directory_t)(struct mount *mp, 147 char *dirname, int dirnamelen, struct devfs_dirent *de, 148 struct label *delabel); 149 typedef void (*mpo_devfs_create_symlink_t)(struct ucred *cred, 150 struct mount *mp, struct devfs_dirent *dd, 151 struct label *ddlabel, struct devfs_dirent *de, 152 struct label *delabel); 153 typedef void (*mpo_devfs_destroy_label_t)(struct label *label); 154 typedef void (*mpo_devfs_init_label_t)(struct label *label); 155 typedef void (*mpo_devfs_update_t)(struct mount *mp, 156 struct devfs_dirent *de, struct label *delabel, 157 struct vnode *vp, struct label *vplabel); 158 typedef void (*mpo_devfs_vnode_associate_t)(struct mount *mp, 159 struct label *mplabel, struct devfs_dirent *de, 160 struct label *delabel, struct vnode *vp, 161 struct label *vplabel); 162 163 typedef int (*mpo_ifnet_check_relabel_t)(struct ucred *cred, 164 struct ifnet *ifp, struct label *ifplabel, 165 struct label *newlabel); 166 typedef int (*mpo_ifnet_check_transmit_t)(struct ifnet *ifp, 167 struct label *ifplabel, struct mbuf *m, 168 struct label *mlabel); 169 typedef void (*mpo_ifnet_copy_label_t)(struct label *src, 170 struct label *dest); 171 typedef void (*mpo_ifnet_create_t)(struct ifnet *ifp, 172 struct label *ifplabel); 173 typedef void (*mpo_ifnet_create_mbuf_t)(struct ifnet *ifp, 174 struct label *ifplabel, struct mbuf *m, 175 struct label *mlabel); 176 typedef void (*mpo_ifnet_destroy_label_t)(struct label *label); 177 typedef int (*mpo_ifnet_externalize_label_t)(struct label *label, 178 char *element_name, struct sbuf *sb, int *claimed); 179 typedef void (*mpo_ifnet_init_label_t)(struct label *label); 180 typedef int (*mpo_ifnet_internalize_label_t)(struct label *label, 181 char *element_name, char *element_data, int *claimed); 182 typedef void (*mpo_ifnet_relabel_t)(struct ucred *cred, struct ifnet *ifp, 183 struct label *ifplabel, struct label *newlabel); 184 185 typedef int (*mpo_inpcb_check_deliver_t)(struct inpcb *inp, 186 struct label *inplabel, struct mbuf *m, 187 struct label *mlabel); 188 typedef void (*mpo_inpcb_create_t)(struct socket *so, 189 struct label *solabel, struct inpcb *inp, 190 struct label *inplabel); 191 typedef void (*mpo_inpcb_create_mbuf_t)(struct inpcb *inp, 192 struct label *inplabel, struct mbuf *m, 193 struct label *mlabel); 194 typedef void (*mpo_inpcb_destroy_label_t)(struct label *label); 195 typedef int (*mpo_inpcb_init_label_t)(struct label *label, int flag); 196 typedef void (*mpo_inpcb_sosetlabel_t)(struct socket *so, 197 struct label *label, struct inpcb *inp, 198 struct label *inplabel); 199 200 typedef void (*mpo_ipq_create_t)(struct mbuf *m, struct label *mlabel, 201 struct ipq *ipq, struct label *ipqlabel); 202 typedef void (*mpo_ipq_destroy_label_t)(struct label *label); 203 typedef int (*mpo_ipq_init_label_t)(struct label *label, int flag); 204 typedef int (*mpo_ipq_match_t)(struct mbuf *m, struct label *mlabel, 205 struct ipq *ipq, struct label *ipqlabel); 206 typedef void (*mpo_ipq_reassemble)(struct ipq *ipq, 207 struct label *ipqlabel, struct mbuf *m, 208 struct label *mlabel); 209 typedef void (*mpo_ipq_update_t)(struct mbuf *m, struct label *mlabel, 210 struct ipq *ipq, struct label *ipqlabel); 211 212 typedef int (*mpo_kenv_check_dump_t)(struct ucred *cred); 213 typedef int (*mpo_kenv_check_get_t)(struct ucred *cred, char *name); 214 typedef int (*mpo_kenv_check_set_t)(struct ucred *cred, char *name, 215 char *value); 216 typedef int (*mpo_kenv_check_unset_t)(struct ucred *cred, char *name); 217 218 typedef int (*mpo_kld_check_load_t)(struct ucred *cred, struct vnode *vp, 219 struct label *vplabel); 220 typedef int (*mpo_kld_check_stat_t)(struct ucred *cred); 221 222 typedef void (*mpo_mbuf_copy_label_t)(struct label *src, 223 struct label *dest); 224 typedef void (*mpo_mbuf_destroy_label_t)(struct label *label); 225 typedef int (*mpo_mbuf_init_label_t)(struct label *label, int flag); 226 227 typedef int (*mpo_mount_check_stat_t)(struct ucred *cred, 228 struct mount *mp, struct label *mplabel); 229 typedef void (*mpo_mount_create_t)(struct ucred *cred, struct mount *mp, 230 struct label *mplabel); 231 typedef void (*mpo_mount_destroy_label_t)(struct label *label); 232 typedef void (*mpo_mount_init_label_t)(struct label *label); 233 234 typedef void (*mpo_netatalk_aarp_send_t)(struct ifnet *ifp, 235 struct label *ifplabel, struct mbuf *m, 236 struct label *mlabel); 237 238 typedef void (*mpo_netinet_arp_send_t)(struct ifnet *ifp, 239 struct label *ifplabel, struct mbuf *m, 240 struct label *mlabel); 241 typedef void (*mpo_netinet_firewall_reply_t)(struct mbuf *mrecv, 242 struct label *mrecvlabel, struct mbuf *msend, 243 struct label *msendlabel); 244 typedef void (*mpo_netinet_firewall_send_t)(struct mbuf *m, 245 struct label *mlabel); 246 typedef void (*mpo_netinet_fragment_t)(struct mbuf *m, 247 struct label *mlabel, struct mbuf *frag, 248 struct label *fraglabel); 249 typedef void (*mpo_netinet_icmp_reply_t)(struct mbuf *mrecv, 250 struct label *mrecvlabel, struct mbuf *msend, 251 struct label *msendlabel); 252 typedef void (*mpo_netinet_icmp_replyinplace_t)(struct mbuf *m, 253 struct label *mlabel); 254 typedef void (*mpo_netinet_igmp_send_t)(struct ifnet *ifp, 255 struct label *ifplabel, struct mbuf *m, 256 struct label *mlabel); 257 typedef void (*mpo_netinet_tcp_reply_t)(struct mbuf *m, 258 struct label *mlabel); 259 260 typedef void (*mpo_netinet6_nd6_send_t)(struct ifnet *ifp, 261 struct label *ifplabel, struct mbuf *m, 262 struct label *mlabel); 263 264 typedef int (*mpo_pipe_check_ioctl_t)(struct ucred *cred, 265 struct pipepair *pp, struct label *pplabel, 266 unsigned long cmd, void *data); 267 typedef int (*mpo_pipe_check_poll_t)(struct ucred *cred, 268 struct pipepair *pp, struct label *pplabel); 269 typedef int (*mpo_pipe_check_read_t)(struct ucred *cred, 270 struct pipepair *pp, struct label *pplabel); 271 typedef int (*mpo_pipe_check_relabel_t)(struct ucred *cred, 272 struct pipepair *pp, struct label *pplabel, 273 struct label *newlabel); 274 typedef int (*mpo_pipe_check_stat_t)(struct ucred *cred, 275 struct pipepair *pp, struct label *pplabel); 276 typedef int (*mpo_pipe_check_write_t)(struct ucred *cred, 277 struct pipepair *pp, struct label *pplabel); 278 typedef void (*mpo_pipe_copy_label_t)(struct label *src, 279 struct label *dest); 280 typedef void (*mpo_pipe_create_t)(struct ucred *cred, struct pipepair *pp, 281 struct label *pplabel); 282 typedef void (*mpo_pipe_destroy_label_t)(struct label *label); 283 typedef int (*mpo_pipe_externalize_label_t)(struct label *label, 284 char *element_name, struct sbuf *sb, int *claimed); 285 typedef void (*mpo_pipe_init_label_t)(struct label *label); 286 typedef int (*mpo_pipe_internalize_label_t)(struct label *label, 287 char *element_name, char *element_data, int *claimed); 288 typedef void (*mpo_pipe_relabel_t)(struct ucred *cred, struct pipepair *pp, 289 struct label *oldlabel, struct label *newlabel); 290 291 typedef int (*mpo_posixsem_check_destroy_t)(struct ucred *cred, 292 struct ksem *ks, struct label *kslabel); 293 typedef int (*mpo_posixsem_check_getvalue_t)(struct ucred *cred, 294 struct ksem *ks, struct label *kslabel); 295 typedef int (*mpo_posixsem_check_open_t)(struct ucred *cred, 296 struct ksem *ks, struct label *kslabel); 297 typedef int (*mpo_posixsem_check_post_t)(struct ucred *cred, 298 struct ksem *ks, struct label *kslabel); 299 typedef int (*mpo_posixsem_check_unlink_t)(struct ucred *cred, 300 struct ksem *ks, struct label *kslabel); 301 typedef int (*mpo_posixsem_check_wait_t)(struct ucred *cred, 302 struct ksem *ks, struct label *kslabel); 303 typedef void (*mpo_posixsem_create_t)(struct ucred *cred, 304 struct ksem *ks, struct label *kslabel); 305 typedef void (*mpo_posixsem_destroy_label_t)(struct label *label); 306 typedef void (*mpo_posixsem_init_label_t)(struct label *label); 307 308 typedef int (*mpo_priv_check_t)(struct ucred *cred, int priv); 309 typedef int (*mpo_priv_grant_t)(struct ucred *cred, int priv); 310 311 typedef void (*mpo_proc_associate_nfsd_t)(struct ucred *cred); 312 typedef int (*mpo_proc_check_debug_t)(struct ucred *cred, 313 struct proc *p); 314 typedef int (*mpo_proc_check_sched_t)(struct ucred *cred, 315 struct proc *p); 316 typedef int (*mpo_proc_check_setaudit_t)(struct ucred *cred, 317 struct auditinfo *ai); 318 typedef int (*mpo_proc_check_setaudit_addr_t)(struct ucred *cred, 319 struct auditinfo_addr *aia); 320 typedef int (*mpo_proc_check_setauid_t)(struct ucred *cred, uid_t auid); 321 typedef int (*mpo_proc_check_setegid_t)(struct ucred *cred, gid_t egid); 322 typedef int (*mpo_proc_check_seteuid_t)(struct ucred *cred, uid_t euid); 323 typedef int (*mpo_proc_check_setgid_t)(struct ucred *cred, gid_t gid); 324 typedef int (*mpo_proc_check_setgroups_t)(struct ucred *cred, int ngroups, 325 gid_t *gidset); 326 typedef int (*mpo_proc_check_setregid_t)(struct ucred *cred, gid_t rgid, 327 gid_t egid); 328 typedef int (*mpo_proc_check_setresgid_t)(struct ucred *cred, gid_t rgid, 329 gid_t egid, gid_t sgid); 330 typedef int (*mpo_proc_check_setresuid_t)(struct ucred *cred, uid_t ruid, 331 uid_t euid, uid_t suid); 332 typedef int (*mpo_proc_check_setreuid_t)(struct ucred *cred, uid_t ruid, 333 uid_t euid); 334 typedef int (*mpo_proc_check_setuid_t)(struct ucred *cred, uid_t uid); 335 typedef int (*mpo_proc_check_signal_t)(struct ucred *cred, 336 struct proc *proc, int signum); 337 typedef int (*mpo_proc_check_wait_t)(struct ucred *cred, 338 struct proc *proc); 339 typedef void (*mpo_proc_create_init_t)(struct ucred *cred); 340 typedef void (*mpo_proc_create_swapper_t)(struct ucred *cred); 341 typedef void (*mpo_proc_destroy_label_t)(struct label *label); 342 typedef void (*mpo_proc_init_label_t)(struct label *label); 343 344 typedef int (*mpo_socket_check_accept_t)(struct ucred *cred, 345 struct socket *so, struct label *solabel); 346 typedef int (*mpo_socket_check_bind_t)(struct ucred *cred, 347 struct socket *so, struct label *solabel, 348 struct sockaddr *sa); 349 typedef int (*mpo_socket_check_connect_t)(struct ucred *cred, 350 struct socket *so, struct label *solabel, 351 struct sockaddr *sa); 352 typedef int (*mpo_socket_check_create_t)(struct ucred *cred, int domain, 353 int type, int protocol); 354 typedef int (*mpo_socket_check_deliver_t)(struct socket *so, 355 struct label *solabel, struct mbuf *m, 356 struct label *mlabel); 357 typedef int (*mpo_socket_check_listen_t)(struct ucred *cred, 358 struct socket *so, struct label *solabel); 359 typedef int (*mpo_socket_check_poll_t)(struct ucred *cred, 360 struct socket *so, struct label *solabel); 361 typedef int (*mpo_socket_check_receive_t)(struct ucred *cred, 362 struct socket *so, struct label *solabel); 363 typedef int (*mpo_socket_check_relabel_t)(struct ucred *cred, 364 struct socket *so, struct label *solabel, 365 struct label *newlabel); 366 typedef int (*mpo_socket_check_send_t)(struct ucred *cred, 367 struct socket *so, struct label *solabel); 368 typedef int (*mpo_socket_check_stat_t)(struct ucred *cred, 369 struct socket *so, struct label *solabel); 370 typedef int (*mpo_socket_check_visible_t)(struct ucred *cred, 371 struct socket *so, struct label *solabel); 372 typedef void (*mpo_socket_copy_label_t)(struct label *src, 373 struct label *dest); 374 typedef void (*mpo_socket_create_t)(struct ucred *cred, struct socket *so, 375 struct label *solabel); 376 typedef void (*mpo_socket_create_mbuf_t)(struct socket *so, 377 struct label *solabel, struct mbuf *m, 378 struct label *mlabel); 379 typedef void (*mpo_socket_destroy_label_t)(struct label *label); 380 typedef int (*mpo_socket_externalize_label_t)(struct label *label, 381 char *element_name, struct sbuf *sb, int *claimed); 382 typedef int (*mpo_socket_init_label_t)(struct label *label, int flag); 383 typedef int (*mpo_socket_internalize_label_t)(struct label *label, 384 char *element_name, char *element_data, int *claimed); 385 typedef void (*mpo_socket_newconn_t)(struct socket *oldso, 386 struct label *oldsolabel, struct socket *newso, 387 struct label *newsolabel); 388 typedef void (*mpo_socket_relabel_t)(struct ucred *cred, struct socket *so, 389 struct label *oldlabel, struct label *newlabel); 390 391 typedef void (*mpo_socketpeer_destroy_label_t)(struct label *label); 392 typedef int (*mpo_socketpeer_externalize_label_t)(struct label *label, 393 char *element_name, struct sbuf *sb, int *claimed); 394 typedef int (*mpo_socketpeer_init_label_t)(struct label *label, 395 int flag); 396 typedef void (*mpo_socketpeer_set_from_mbuf_t)(struct mbuf *m, 397 struct label *mlabel, struct socket *so, 398 struct label *sopeerlabel); 399 typedef void (*mpo_socketpeer_set_from_socket_t)(struct socket *oldso, 400 struct label *oldsolabel, struct socket *newso, 401 struct label *newsopeerlabel); 402 403 typedef void (*mpo_syncache_create_t)(struct label *label, 404 struct inpcb *inp); 405 typedef void (*mpo_syncache_create_mbuf_t)(struct label *sc_label, 406 struct mbuf *m, struct label *mlabel); 407 typedef void (*mpo_syncache_destroy_label_t)(struct label *label); 408 typedef int (*mpo_syncache_init_label_t)(struct label *label, int flag); 409 410 typedef int (*mpo_system_check_acct_t)(struct ucred *cred, 411 struct vnode *vp, struct label *vplabel); 412 typedef int (*mpo_system_check_audit_t)(struct ucred *cred, void *record, 413 int length); 414 typedef int (*mpo_system_check_auditctl_t)(struct ucred *cred, 415 struct vnode *vp, struct label *vplabel); 416 typedef int (*mpo_system_check_auditon_t)(struct ucred *cred, int cmd); 417 typedef int (*mpo_system_check_reboot_t)(struct ucred *cred, int howto); 418 typedef int (*mpo_system_check_swapon_t)(struct ucred *cred, 419 struct vnode *vp, struct label *vplabel); 420 typedef int (*mpo_system_check_swapoff_t)(struct ucred *cred, 421 struct vnode *vp, struct label *vplabel); 422 typedef int (*mpo_system_check_sysctl_t)(struct ucred *cred, 423 struct sysctl_oid *oidp, void *arg1, int arg2, 424 struct sysctl_req *req); 425 426 typedef void (*mpo_sysvmsg_cleanup_t)(struct label *msglabel); 427 typedef void (*mpo_sysvmsg_create_t)(struct ucred *cred, 428 struct msqid_kernel *msqkptr, struct label *msqlabel, 429 struct msg *msgptr, struct label *msglabel); 430 typedef void (*mpo_sysvmsg_destroy_label_t)(struct label *label); 431 typedef void (*mpo_sysvmsg_init_label_t)(struct label *label); 432 433 typedef int (*mpo_sysvmsq_check_msgmsq_t)(struct ucred *cred, 434 struct msg *msgptr, struct label *msglabel, 435 struct msqid_kernel *msqkptr, struct label *msqklabel); 436 typedef int (*mpo_sysvmsq_check_msgrcv_t)(struct ucred *cred, 437 struct msg *msgptr, struct label *msglabel); 438 typedef int (*mpo_sysvmsq_check_msgrmid_t)(struct ucred *cred, 439 struct msg *msgptr, struct label *msglabel); 440 typedef int (*mpo_sysvmsq_check_msqget_t)(struct ucred *cred, 441 struct msqid_kernel *msqkptr, struct label *msqklabel); 442 typedef int (*mpo_sysvmsq_check_msqctl_t)(struct ucred *cred, 443 struct msqid_kernel *msqkptr, struct label *msqklabel, 444 int cmd); 445 typedef int (*mpo_sysvmsq_check_msqrcv_t)(struct ucred *cred, 446 struct msqid_kernel *msqkptr, struct label *msqklabel); 447 typedef int (*mpo_sysvmsq_check_msqsnd_t)(struct ucred *cred, 448 struct msqid_kernel *msqkptr, struct label *msqklabel); 449 typedef void (*mpo_sysvmsq_cleanup_t)(struct label *msqlabel); 450 typedef void (*mpo_sysvmsq_create_t)(struct ucred *cred, 451 struct msqid_kernel *msqkptr, struct label *msqlabel); 452 typedef void (*mpo_sysvmsq_destroy_label_t)(struct label *label); 453 typedef void (*mpo_sysvmsq_init_label_t)(struct label *label); 454 455 typedef int (*mpo_sysvsem_check_semctl_t)(struct ucred *cred, 456 struct semid_kernel *semakptr, struct label *semaklabel, 457 int cmd); 458 typedef int (*mpo_sysvsem_check_semget_t)(struct ucred *cred, 459 struct semid_kernel *semakptr, struct label *semaklabel); 460 typedef int (*mpo_sysvsem_check_semop_t)(struct ucred *cred, 461 struct semid_kernel *semakptr, struct label *semaklabel, 462 size_t accesstype); 463 typedef void (*mpo_sysvsem_cleanup_t)(struct label *semalabel); 464 typedef void (*mpo_sysvsem_create_t)(struct ucred *cred, 465 struct semid_kernel *semakptr, struct label *semalabel); 466 typedef void (*mpo_sysvsem_destroy_label_t)(struct label *label); 467 typedef void (*mpo_sysvsem_init_label_t)(struct label *label); 468 469 typedef int (*mpo_sysvshm_check_shmat_t)(struct ucred *cred, 470 struct shmid_kernel *shmsegptr, 471 struct label *shmseglabel, int shmflg); 472 typedef int (*mpo_sysvshm_check_shmctl_t)(struct ucred *cred, 473 struct shmid_kernel *shmsegptr, 474 struct label *shmseglabel, int cmd); 475 typedef int (*mpo_sysvshm_check_shmdt_t)(struct ucred *cred, 476 struct shmid_kernel *shmsegptr, 477 struct label *shmseglabel); 478 typedef int (*mpo_sysvshm_check_shmget_t)(struct ucred *cred, 479 struct shmid_kernel *shmsegptr, 480 struct label *shmseglabel, int shmflg); 481 typedef void (*mpo_sysvshm_cleanup_t)(struct label *shmlabel); 482 typedef void (*mpo_sysvshm_create_t)(struct ucred *cred, 483 struct shmid_kernel *shmsegptr, struct label *shmlabel); 484 typedef void (*mpo_sysvshm_destroy_label_t)(struct label *label); 485 typedef void (*mpo_sysvshm_init_label_t)(struct label *label); 486 487 typedef void (*mpo_thread_userret_t)(struct thread *thread); 488 489 typedef int (*mpo_vnode_associate_extattr_t)(struct mount *mp, 490 struct label *mplabel, struct vnode *vp, 491 struct label *vplabel); 492 typedef void (*mpo_vnode_associate_singlelabel_t)(struct mount *mp, 493 struct label *mplabel, struct vnode *vp, 494 struct label *vplabel); 495 typedef int (*mpo_vnode_check_access_t)(struct ucred *cred, 496 struct vnode *vp, struct label *vplabel, int acc_mode); 497 typedef int (*mpo_vnode_check_chdir_t)(struct ucred *cred, 498 struct vnode *dvp, struct label *dvplabel); 499 typedef int (*mpo_vnode_check_chroot_t)(struct ucred *cred, 500 struct vnode *dvp, struct label *dvplabel); 501 typedef int (*mpo_vnode_check_create_t)(struct ucred *cred, 502 struct vnode *dvp, struct label *dvplabel, 503 struct componentname *cnp, struct vattr *vap); 504 typedef int (*mpo_vnode_check_deleteacl_t)(struct ucred *cred, 505 struct vnode *vp, struct label *vplabel, 506 acl_type_t type); 507 typedef int (*mpo_vnode_check_deleteextattr_t)(struct ucred *cred, 508 struct vnode *vp, struct label *vplabel, 509 int attrnamespace, const char *name); 510 typedef int (*mpo_vnode_check_exec_t)(struct ucred *cred, 511 struct vnode *vp, struct label *vplabel, 512 struct image_params *imgp, struct label *execlabel); 513 typedef int (*mpo_vnode_check_getacl_t)(struct ucred *cred, 514 struct vnode *vp, struct label *vplabel, 515 acl_type_t type); 516 typedef int (*mpo_vnode_check_getextattr_t)(struct ucred *cred, 517 struct vnode *vp, struct label *vplabel, 518 int attrnamespace, const char *name, struct uio *uio); 519 typedef int (*mpo_vnode_check_link_t)(struct ucred *cred, 520 struct vnode *dvp, struct label *dvplabel, 521 struct vnode *vp, struct label *vplabel, 522 struct componentname *cnp); 523 typedef int (*mpo_vnode_check_listextattr_t)(struct ucred *cred, 524 struct vnode *vp, struct label *vplabel, 525 int attrnamespace); 526 typedef int (*mpo_vnode_check_lookup_t)(struct ucred *cred, 527 struct vnode *dvp, struct label *dvplabel, 528 struct componentname *cnp); 529 typedef int (*mpo_vnode_check_mmap_t)(struct ucred *cred, 530 struct vnode *vp, struct label *label, int prot, 531 int flags); 532 typedef void (*mpo_vnode_check_mmap_downgrade_t)(struct ucred *cred, 533 struct vnode *vp, struct label *vplabel, int *prot); 534 typedef int (*mpo_vnode_check_mprotect_t)(struct ucred *cred, 535 struct vnode *vp, struct label *vplabel, int prot); 536 typedef int (*mpo_vnode_check_open_t)(struct ucred *cred, 537 struct vnode *vp, struct label *vplabel, int acc_mode); 538 typedef int (*mpo_vnode_check_poll_t)(struct ucred *active_cred, 539 struct ucred *file_cred, struct vnode *vp, 540 struct label *vplabel); 541 typedef int (*mpo_vnode_check_read_t)(struct ucred *active_cred, 542 struct ucred *file_cred, struct vnode *vp, 543 struct label *vplabel); 544 typedef int (*mpo_vnode_check_readdir_t)(struct ucred *cred, 545 struct vnode *dvp, struct label *dvplabel); 546 typedef int (*mpo_vnode_check_readlink_t)(struct ucred *cred, 547 struct vnode *vp, struct label *vplabel); 548 typedef int (*mpo_vnode_check_relabel_t)(struct ucred *cred, 549 struct vnode *vp, struct label *vplabel, 550 struct label *newlabel); 551 typedef int (*mpo_vnode_check_rename_from_t)(struct ucred *cred, 552 struct vnode *dvp, struct label *dvplabel, 553 struct vnode *vp, struct label *vplabel, 554 struct componentname *cnp); 555 typedef int (*mpo_vnode_check_rename_to_t)(struct ucred *cred, 556 struct vnode *dvp, struct label *dvplabel, 557 struct vnode *vp, struct label *vplabel, int samedir, 558 struct componentname *cnp); 559 typedef int (*mpo_vnode_check_revoke_t)(struct ucred *cred, 560 struct vnode *vp, struct label *vplabel); 561 typedef int (*mpo_vnode_check_setacl_t)(struct ucred *cred, 562 struct vnode *vp, struct label *vplabel, acl_type_t type, 563 struct acl *acl); 564 typedef int (*mpo_vnode_check_setextattr_t)(struct ucred *cred, 565 struct vnode *vp, struct label *vplabel, 566 int attrnamespace, const char *name, struct uio *uio); 567 typedef int (*mpo_vnode_check_setflags_t)(struct ucred *cred, 568 struct vnode *vp, struct label *vplabel, u_long flags); 569 typedef int (*mpo_vnode_check_setmode_t)(struct ucred *cred, 570 struct vnode *vp, struct label *vplabel, mode_t mode); 571 typedef int (*mpo_vnode_check_setowner_t)(struct ucred *cred, 572 struct vnode *vp, struct label *vplabel, uid_t uid, 573 gid_t gid); 574 typedef int (*mpo_vnode_check_setutimes_t)(struct ucred *cred, 575 struct vnode *vp, struct label *vplabel, 576 struct timespec atime, struct timespec mtime); 577 typedef int (*mpo_vnode_check_stat_t)(struct ucred *active_cred, 578 struct ucred *file_cred, struct vnode *vp, 579 struct label *vplabel); 580 typedef int (*mpo_vnode_check_unlink_t)(struct ucred *cred, 581 struct vnode *dvp, struct label *dvplabel, 582 struct vnode *vp, struct label *vplabel, 583 struct componentname *cnp); 584 typedef int (*mpo_vnode_check_write_t)(struct ucred *active_cred, 585 struct ucred *file_cred, struct vnode *vp, 586 struct label *vplabel); 587 typedef void (*mpo_vnode_copy_label_t)(struct label *src, 588 struct label *dest); 589 typedef int (*mpo_vnode_create_extattr_t)(struct ucred *cred, 590 struct mount *mp, struct label *mplabel, 591 struct vnode *dvp, struct label *dvplabel, 592 struct vnode *vp, struct label *vplabel, 593 struct componentname *cnp); 594 typedef void (*mpo_vnode_destroy_label_t)(struct label *label); 595 typedef void (*mpo_vnode_execve_transition_t)(struct ucred *old, 596 struct ucred *new, struct vnode *vp, 597 struct label *vplabel, struct label *interpvplabel, 598 struct image_params *imgp, struct label *execlabel); 599 typedef int (*mpo_vnode_execve_will_transition_t)(struct ucred *old, 600 struct vnode *vp, struct label *vplabel, 601 struct label *interpvplabel, struct image_params *imgp, 602 struct label *execlabel); 603 typedef int (*mpo_vnode_externalize_label_t)(struct label *label, 604 char *element_name, struct sbuf *sb, int *claimed); 605 typedef void (*mpo_vnode_init_label_t)(struct label *label); 606 typedef int (*mpo_vnode_internalize_label_t)(struct label *label, 607 char *element_name, char *element_data, int *claimed); 608 typedef void (*mpo_vnode_relabel_t)(struct ucred *cred, struct vnode *vp, 609 struct label *vplabel, struct label *label); 610 typedef int (*mpo_vnode_setlabel_extattr_t)(struct ucred *cred, 611 struct vnode *vp, struct label *vplabel, 612 struct label *intlabel); 613 614 struct mac_policy_ops { 615 /* 616 * Policy module operations. 617 */ 618 mpo_destroy_t mpo_destroy; 619 mpo_init_t mpo_init; 620 621 /* 622 * General policy-directed security system call so that policies may 623 * implement new services without reserving explicit system call 624 * numbers. 625 */ 626 mpo_syscall_t mpo_syscall; 627 628 /* 629 * Label operations. Initialize label storage, destroy label 630 * storage, recycle for re-use without init/destroy, copy a label to 631 * initialized storage, and externalize/internalize from/to 632 * initialized storage. 633 */ 634 mpo_bpfdesc_check_receive_t mpo_bpfdesc_check_receive; 635 mpo_bpfdesc_create_t mpo_bpfdesc_create; 636 mpo_bpfdesc_create_mbuf_t mpo_bpfdesc_create_mbuf; 637 mpo_bpfdesc_destroy_label_t mpo_bpfdesc_destroy_label; 638 mpo_bpfdesc_init_label_t mpo_bpfdesc_init_label; 639 640 mpo_cred_check_relabel_t mpo_cred_check_relabel; 641 mpo_cred_check_visible_t mpo_cred_check_visible; 642 mpo_cred_copy_label_t mpo_cred_copy_label; 643 mpo_cred_destroy_label_t mpo_cred_destroy_label; 644 mpo_cred_externalize_label_t mpo_cred_externalize_label; 645 mpo_cred_init_label_t mpo_cred_init_label; 646 mpo_cred_internalize_label_t mpo_cred_internalize_label; 647 mpo_cred_relabel_t mpo_cred_relabel; 648 649 mpo_devfs_create_device_t mpo_devfs_create_device; 650 mpo_devfs_create_directory_t mpo_devfs_create_directory; 651 mpo_devfs_create_symlink_t mpo_devfs_create_symlink; 652 mpo_devfs_destroy_label_t mpo_devfs_destroy_label; 653 mpo_devfs_init_label_t mpo_devfs_init_label; 654 mpo_devfs_update_t mpo_devfs_update; 655 mpo_devfs_vnode_associate_t mpo_devfs_vnode_associate; 656 657 mpo_ifnet_check_relabel_t mpo_ifnet_check_relabel; 658 mpo_ifnet_check_transmit_t mpo_ifnet_check_transmit; 659 mpo_ifnet_copy_label_t mpo_ifnet_copy_label; 660 mpo_ifnet_create_t mpo_ifnet_create; 661 mpo_ifnet_create_mbuf_t mpo_ifnet_create_mbuf; 662 mpo_ifnet_destroy_label_t mpo_ifnet_destroy_label; 663 mpo_ifnet_externalize_label_t mpo_ifnet_externalize_label; 664 mpo_ifnet_init_label_t mpo_ifnet_init_label; 665 mpo_ifnet_internalize_label_t mpo_ifnet_internalize_label; 666 mpo_ifnet_relabel_t mpo_ifnet_relabel; 667 668 mpo_inpcb_check_deliver_t mpo_inpcb_check_deliver; 669 mpo_inpcb_create_t mpo_inpcb_create; 670 mpo_inpcb_create_mbuf_t mpo_inpcb_create_mbuf; 671 mpo_inpcb_destroy_label_t mpo_inpcb_destroy_label; 672 mpo_inpcb_init_label_t mpo_inpcb_init_label; 673 mpo_inpcb_sosetlabel_t mpo_inpcb_sosetlabel; 674 675 mpo_ipq_create_t mpo_ipq_create; 676 mpo_ipq_destroy_label_t mpo_ipq_destroy_label; 677 mpo_ipq_init_label_t mpo_ipq_init_label; 678 mpo_ipq_match_t mpo_ipq_match; 679 mpo_ipq_reassemble mpo_ipq_reassemble; 680 mpo_ipq_update_t mpo_ipq_update; 681 682 mpo_kenv_check_dump_t mpo_kenv_check_dump; 683 mpo_kenv_check_get_t mpo_kenv_check_get; 684 mpo_kenv_check_set_t mpo_kenv_check_set; 685 mpo_kenv_check_unset_t mpo_kenv_check_unset; 686 687 mpo_kld_check_load_t mpo_kld_check_load; 688 mpo_kld_check_stat_t mpo_kld_check_stat; 689 690 mpo_mbuf_copy_label_t mpo_mbuf_copy_label; 691 mpo_mbuf_destroy_label_t mpo_mbuf_destroy_label; 692 mpo_mbuf_init_label_t mpo_mbuf_init_label; 693 694 mpo_mount_check_stat_t mpo_mount_check_stat; 695 mpo_mount_create_t mpo_mount_create; 696 mpo_mount_destroy_label_t mpo_mount_destroy_label; 697 mpo_mount_init_label_t mpo_mount_init_label; 698 699 mpo_netatalk_aarp_send_t mpo_netatalk_aarp_send; 700 701 mpo_netinet_arp_send_t mpo_netinet_arp_send; 702 mpo_netinet_firewall_reply_t mpo_netinet_firewall_reply; 703 mpo_netinet_firewall_send_t mpo_netinet_firewall_send; 704 mpo_netinet_fragment_t mpo_netinet_fragment; 705 mpo_netinet_icmp_reply_t mpo_netinet_icmp_reply; 706 mpo_netinet_icmp_replyinplace_t mpo_netinet_icmp_replyinplace; 707 mpo_netinet_igmp_send_t mpo_netinet_igmp_send; 708 mpo_netinet_tcp_reply_t mpo_netinet_tcp_reply; 709 710 mpo_netinet6_nd6_send_t mpo_netinet6_nd6_send; 711 712 mpo_pipe_check_ioctl_t mpo_pipe_check_ioctl; 713 mpo_pipe_check_poll_t mpo_pipe_check_poll; 714 mpo_pipe_check_read_t mpo_pipe_check_read; 715 mpo_pipe_check_relabel_t mpo_pipe_check_relabel; 716 mpo_pipe_check_stat_t mpo_pipe_check_stat; 717 mpo_pipe_check_write_t mpo_pipe_check_write; 718 mpo_pipe_copy_label_t mpo_pipe_copy_label; 719 mpo_pipe_create_t mpo_pipe_create; 720 mpo_pipe_destroy_label_t mpo_pipe_destroy_label; 721 mpo_pipe_externalize_label_t mpo_pipe_externalize_label; 722 mpo_pipe_init_label_t mpo_pipe_init_label; 723 mpo_pipe_internalize_label_t mpo_pipe_internalize_label; 724 mpo_pipe_relabel_t mpo_pipe_relabel; 725 726 mpo_posixsem_check_destroy_t mpo_posixsem_check_destroy; 727 mpo_posixsem_check_getvalue_t mpo_posixsem_check_getvalue; 728 mpo_posixsem_check_open_t mpo_posixsem_check_open; 729 mpo_posixsem_check_post_t mpo_posixsem_check_post; 730 mpo_posixsem_check_unlink_t mpo_posixsem_check_unlink; 731 mpo_posixsem_check_wait_t mpo_posixsem_check_wait; 732 mpo_posixsem_create_t mpo_posixsem_create; 733 mpo_posixsem_destroy_label_t mpo_posixsem_destroy_label; 734 mpo_posixsem_init_label_t mpo_posixsem_init_label; 735 736 mpo_priv_check_t mpo_priv_check; 737 mpo_priv_grant_t mpo_priv_grant; 738 739 mpo_proc_associate_nfsd_t mpo_proc_associate_nfsd; 740 mpo_proc_check_debug_t mpo_proc_check_debug; 741 mpo_proc_check_sched_t mpo_proc_check_sched; 742 mpo_proc_check_setaudit_t mpo_proc_check_setaudit; 743 mpo_proc_check_setaudit_addr_t mpo_proc_check_setaudit_addr; 744 mpo_proc_check_setauid_t mpo_proc_check_setauid; 745 mpo_proc_check_setuid_t mpo_proc_check_setuid; 746 mpo_proc_check_seteuid_t mpo_proc_check_seteuid; 747 mpo_proc_check_setgid_t mpo_proc_check_setgid; 748 mpo_proc_check_setegid_t mpo_proc_check_setegid; 749 mpo_proc_check_setgroups_t mpo_proc_check_setgroups; 750 mpo_proc_check_setreuid_t mpo_proc_check_setreuid; 751 mpo_proc_check_setregid_t mpo_proc_check_setregid; 752 mpo_proc_check_setresuid_t mpo_proc_check_setresuid; 753 mpo_proc_check_setresgid_t mpo_proc_check_setresgid; 754 mpo_proc_check_signal_t mpo_proc_check_signal; 755 mpo_proc_check_wait_t mpo_proc_check_wait; 756 mpo_proc_create_swapper_t mpo_proc_create_swapper; 757 mpo_proc_create_init_t mpo_proc_create_init; 758 mpo_proc_destroy_label_t mpo_proc_destroy_label; 759 mpo_proc_init_label_t mpo_proc_init_label; 760 761 mpo_socket_check_accept_t mpo_socket_check_accept; 762 mpo_socket_check_bind_t mpo_socket_check_bind; 763 mpo_socket_check_connect_t mpo_socket_check_connect; 764 mpo_socket_check_create_t mpo_socket_check_create; 765 mpo_socket_check_deliver_t mpo_socket_check_deliver; 766 mpo_socket_check_listen_t mpo_socket_check_listen; 767 mpo_socket_check_poll_t mpo_socket_check_poll; 768 mpo_socket_check_receive_t mpo_socket_check_receive; 769 mpo_socket_check_relabel_t mpo_socket_check_relabel; 770 mpo_socket_check_send_t mpo_socket_check_send; 771 mpo_socket_check_stat_t mpo_socket_check_stat; 772 mpo_socket_check_visible_t mpo_socket_check_visible; 773 mpo_socket_copy_label_t mpo_socket_copy_label; 774 mpo_socket_create_t mpo_socket_create; 775 mpo_socket_create_mbuf_t mpo_socket_create_mbuf; 776 mpo_socket_destroy_label_t mpo_socket_destroy_label; 777 mpo_socket_externalize_label_t mpo_socket_externalize_label; 778 mpo_socket_init_label_t mpo_socket_init_label; 779 mpo_socket_internalize_label_t mpo_socket_internalize_label; 780 mpo_socket_newconn_t mpo_socket_newconn; 781 mpo_socket_relabel_t mpo_socket_relabel; 782 783 mpo_socketpeer_destroy_label_t mpo_socketpeer_destroy_label; 784 mpo_socketpeer_externalize_label_t mpo_socketpeer_externalize_label; 785 mpo_socketpeer_init_label_t mpo_socketpeer_init_label; 786 mpo_socketpeer_set_from_mbuf_t mpo_socketpeer_set_from_mbuf; 787 mpo_socketpeer_set_from_socket_t mpo_socketpeer_set_from_socket; 788 789 mpo_syncache_init_label_t mpo_syncache_init_label; 790 mpo_syncache_destroy_label_t mpo_syncache_destroy_label; 791 mpo_syncache_create_t mpo_syncache_create; 792 mpo_syncache_create_mbuf_t mpo_syncache_create_mbuf; 793 794 mpo_system_check_acct_t mpo_system_check_acct; 795 mpo_system_check_audit_t mpo_system_check_audit; 796 mpo_system_check_auditctl_t mpo_system_check_auditctl; 797 mpo_system_check_auditon_t mpo_system_check_auditon; 798 mpo_system_check_reboot_t mpo_system_check_reboot; 799 mpo_system_check_swapon_t mpo_system_check_swapon; 800 mpo_system_check_swapoff_t mpo_system_check_swapoff; 801 mpo_system_check_sysctl_t mpo_system_check_sysctl; 802 803 mpo_sysvmsg_cleanup_t mpo_sysvmsg_cleanup; 804 mpo_sysvmsg_create_t mpo_sysvmsg_create; 805 mpo_sysvmsg_destroy_label_t mpo_sysvmsg_destroy_label; 806 mpo_sysvmsg_init_label_t mpo_sysvmsg_init_label; 807 808 mpo_sysvmsq_check_msgmsq_t mpo_sysvmsq_check_msgmsq; 809 mpo_sysvmsq_check_msgrcv_t mpo_sysvmsq_check_msgrcv; 810 mpo_sysvmsq_check_msgrmid_t mpo_sysvmsq_check_msgrmid; 811 mpo_sysvmsq_check_msqctl_t mpo_sysvmsq_check_msqctl; 812 mpo_sysvmsq_check_msqget_t mpo_sysvmsq_check_msqget; 813 mpo_sysvmsq_check_msqrcv_t mpo_sysvmsq_check_msqrcv; 814 mpo_sysvmsq_check_msqsnd_t mpo_sysvmsq_check_msqsnd; 815 mpo_sysvmsq_cleanup_t mpo_sysvmsq_cleanup; 816 mpo_sysvmsq_create_t mpo_sysvmsq_create; 817 mpo_sysvmsq_destroy_label_t mpo_sysvmsq_destroy_label; 818 mpo_sysvmsq_init_label_t mpo_sysvmsq_init_label; 819 820 mpo_sysvsem_check_semctl_t mpo_sysvsem_check_semctl; 821 mpo_sysvsem_check_semget_t mpo_sysvsem_check_semget; 822 mpo_sysvsem_check_semop_t mpo_sysvsem_check_semop; 823 mpo_sysvsem_cleanup_t mpo_sysvsem_cleanup; 824 mpo_sysvsem_create_t mpo_sysvsem_create; 825 mpo_sysvsem_destroy_label_t mpo_sysvsem_destroy_label; 826 mpo_sysvsem_init_label_t mpo_sysvsem_init_label; 827 828 mpo_sysvshm_check_shmat_t mpo_sysvshm_check_shmat; 829 mpo_sysvshm_check_shmctl_t mpo_sysvshm_check_shmctl; 830 mpo_sysvshm_check_shmdt_t mpo_sysvshm_check_shmdt; 831 mpo_sysvshm_check_shmget_t mpo_sysvshm_check_shmget; 832 mpo_sysvshm_cleanup_t mpo_sysvshm_cleanup; 833 mpo_sysvshm_create_t mpo_sysvshm_create; 834 mpo_sysvshm_destroy_label_t mpo_sysvshm_destroy_label; 835 mpo_sysvshm_init_label_t mpo_sysvshm_init_label; 836 837 mpo_thread_userret_t mpo_thread_userret; 838 839 mpo_vnode_check_access_t mpo_vnode_check_access; 840 mpo_vnode_check_chdir_t mpo_vnode_check_chdir; 841 mpo_vnode_check_chroot_t mpo_vnode_check_chroot; 842 mpo_vnode_check_create_t mpo_vnode_check_create; 843 mpo_vnode_check_deleteacl_t mpo_vnode_check_deleteacl; 844 mpo_vnode_check_deleteextattr_t mpo_vnode_check_deleteextattr; 845 mpo_vnode_check_exec_t mpo_vnode_check_exec; 846 mpo_vnode_check_getacl_t mpo_vnode_check_getacl; 847 mpo_vnode_check_getextattr_t mpo_vnode_check_getextattr; 848 mpo_vnode_check_link_t mpo_vnode_check_link; 849 mpo_vnode_check_listextattr_t mpo_vnode_check_listextattr; 850 mpo_vnode_check_lookup_t mpo_vnode_check_lookup; 851 mpo_vnode_check_mmap_t mpo_vnode_check_mmap; 852 mpo_vnode_check_mmap_downgrade_t mpo_vnode_check_mmap_downgrade; 853 mpo_vnode_check_mprotect_t mpo_vnode_check_mprotect; 854 mpo_vnode_check_open_t mpo_vnode_check_open; 855 mpo_vnode_check_poll_t mpo_vnode_check_poll; 856 mpo_vnode_check_read_t mpo_vnode_check_read; 857 mpo_vnode_check_readdir_t mpo_vnode_check_readdir; 858 mpo_vnode_check_readlink_t mpo_vnode_check_readlink; 859 mpo_vnode_check_relabel_t mpo_vnode_check_relabel; 860 mpo_vnode_check_rename_from_t mpo_vnode_check_rename_from; 861 mpo_vnode_check_rename_to_t mpo_vnode_check_rename_to; 862 mpo_vnode_check_revoke_t mpo_vnode_check_revoke; 863 mpo_vnode_check_setacl_t mpo_vnode_check_setacl; 864 mpo_vnode_check_setextattr_t mpo_vnode_check_setextattr; 865 mpo_vnode_check_setflags_t mpo_vnode_check_setflags; 866 mpo_vnode_check_setmode_t mpo_vnode_check_setmode; 867 mpo_vnode_check_setowner_t mpo_vnode_check_setowner; 868 mpo_vnode_check_setutimes_t mpo_vnode_check_setutimes; 869 mpo_vnode_check_stat_t mpo_vnode_check_stat; 870 mpo_vnode_check_unlink_t mpo_vnode_check_unlink; 871 mpo_vnode_check_write_t mpo_vnode_check_write; 872 mpo_vnode_associate_extattr_t mpo_vnode_associate_extattr; 873 mpo_vnode_associate_singlelabel_t mpo_vnode_associate_singlelabel; 874 mpo_vnode_destroy_label_t mpo_vnode_destroy_label; 875 mpo_vnode_copy_label_t mpo_vnode_copy_label; 876 mpo_vnode_create_extattr_t mpo_vnode_create_extattr; 877 mpo_vnode_execve_transition_t mpo_vnode_execve_transition; 878 mpo_vnode_execve_will_transition_t mpo_vnode_execve_will_transition; 879 mpo_vnode_externalize_label_t mpo_vnode_externalize_label; 880 mpo_vnode_init_label_t mpo_vnode_init_label; 881 mpo_vnode_internalize_label_t mpo_vnode_internalize_label; 882 mpo_vnode_relabel_t mpo_vnode_relabel; 883 mpo_vnode_setlabel_extattr_t mpo_vnode_setlabel_extattr; 884 }; 885 886 /* 887 * struct mac_policy_conf is the registration structure for policies, and is 888 * provided to the MAC Framework using MAC_POLICY_SET() to invoke a SYSINIT 889 * to register the policy. In general, the fields are immutable, with the 890 * exception of the "security field", run-time flags, and policy list entry, 891 * which are managed by the MAC Framework. Be careful when modifying this 892 * structure, as its layout is statically compiled into all policies. 893 */ 894 struct mac_policy_conf { 895 char *mpc_name; /* policy name */ 896 char *mpc_fullname; /* policy full name */ 897 struct mac_policy_ops *mpc_ops; /* policy operations */ 898 int mpc_loadtime_flags; /* flags */ 899 int *mpc_field_off; /* security field */ 900 int mpc_runtime_flags; /* flags */ 901 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */ 902 }; 903 904 /* Flags for the mpc_loadtime_flags field. */ 905 #define MPC_LOADTIME_FLAG_NOTLATE 0x00000001 906 #define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002 907 #define MPC_LOADTIME_FLAG_LABELMBUFS 0x00000004 908 909 /* Flags for the mpc_runtime_flags field. */ 910 #define MPC_RUNTIME_FLAG_REGISTERED 0x00000001 911 912 /*- 913 * The TrustedBSD MAC Framework has a major version number, MAC_VERSION, 914 * which defines the ABI of the Framework present in the kernel (and depended 915 * on by policy modules compiled against that kernel). Currently, 916 * MAC_POLICY_SET() requires that the kernel and module ABI version numbers 917 * exactly match. The following major versions have been defined to date: 918 * 919 * MAC version FreeBSD versions 920 * 1 5.x 921 * 2 6.x 922 * 3 7.x 923 * 4 8.x 924 */ 925 #define MAC_VERSION 4 926 927 #define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \ 928 static struct mac_policy_conf mpname##_mac_policy_conf = { \ 929 #mpname, \ 930 mpfullname, \ 931 mpops, \ 932 mpflags, \ 933 privdata_wanted, \ 934 0, \ 935 }; \ 936 static moduledata_t mpname##_mod = { \ 937 #mpname, \ 938 mac_policy_modevent, \ 939 &mpname##_mac_policy_conf \ 940 }; \ 941 MODULE_DEPEND(mpname, kernel_mac_support, MAC_VERSION, \ 942 MAC_VERSION, MAC_VERSION); \ 943 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \ 944 SI_ORDER_MIDDLE) 945 946 int mac_policy_modevent(module_t mod, int type, void *data); 947 948 /* 949 * Policy interface to map a struct label pointer to per-policy data. 950 * Typically, policies wrap this in their own accessor macro that casts a 951 * uintptr_t to a policy-specific data type. 952 */ 953 intptr_t mac_label_get(struct label *l, int slot); 954 void mac_label_set(struct label *l, int slot, intptr_t v); 955 956 #endif /* !_SYS_SECURITY_MAC_MAC_POLICY_H_ */ 957