Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/sys/mac_policy.h
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1 /*- 2 * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson 3 * Copyright (c) 2001, 2002, 2003 Networks Associates Technology, Inc. 4 * All rights reserved. 5 * 6 * This software was developed by Robert Watson for the TrustedBSD Project. 7 * 8 * This software was developed for the FreeBSD Project in part by Network 9 * Associates Laboratories, the Security Research Division of Network 10 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), 11 * as part of the DARPA CHATS research program. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $FreeBSD: releng/5.2/sys/sys/mac_policy.h 123173 2003-12-06 21:48:03Z rwatson $ 35 */ 36 /* 37 * Kernel interface for MAC policy modules. 38 */ 39 #ifndef _SYS_MAC_POLICY_H 40 #define _SYS_MAC_POLICY_H 41 42 /*- 43 * Pluggable access control policy definition structure. 44 * 45 * List of operations that are performed as part of the implementation 46 * of a MAC policy. Policy implementors declare operations with a 47 * mac_policy_ops structure, and using the MAC_POLICY_SET() macro. 48 * If an entry point is not declared, then then the policy will be ignored 49 * during evaluation of that event or check. 50 * 51 * Operations are sorted first by general class of operation, then 52 * alphabetically. 53 */ 54 struct acl; 55 struct componentname; 56 struct devfs_dirent; 57 struct inpcb; 58 struct ipq; 59 struct label; 60 struct mac_policy_conf; 61 struct mbuf; 62 struct mount; 63 struct pipe; 64 struct sbuf; 65 struct socket; 66 struct ucred; 67 struct uio; 68 struct vnode; 69 struct mac_policy_ops { 70 /* 71 * Policy module operations. 72 */ 73 void (*mpo_destroy)(struct mac_policy_conf *mpc); 74 void (*mpo_init)(struct mac_policy_conf *mpc); 75 76 /* 77 * General policy-directed security system call so that policies 78 * may implement new services without reserving explicit 79 * system call numbers. 80 */ 81 int (*mpo_syscall)(struct thread *td, int call, void *arg); 82 83 /* 84 * Label operations. 85 */ 86 void (*mpo_init_bpfdesc_label)(struct label *label); 87 void (*mpo_init_cred_label)(struct label *label); 88 void (*mpo_init_devfsdirent_label)(struct label *label); 89 void (*mpo_init_ifnet_label)(struct label *label); 90 int (*mpo_init_inpcb_label)(struct label *label, int flag); 91 int (*mpo_init_ipq_label)(struct label *label, int flag); 92 int (*mpo_init_mbuf_label)(struct label *label, int flag); 93 void (*mpo_init_mount_label)(struct label *label); 94 void (*mpo_init_mount_fs_label)(struct label *label); 95 int (*mpo_init_socket_label)(struct label *label, int flag); 96 int (*mpo_init_socket_peer_label)(struct label *label, int flag); 97 void (*mpo_init_pipe_label)(struct label *label); 98 void (*mpo_init_proc_label)(struct label *label); 99 void (*mpo_init_vnode_label)(struct label *label); 100 void (*mpo_destroy_bpfdesc_label)(struct label *label); 101 void (*mpo_destroy_cred_label)(struct label *label); 102 void (*mpo_destroy_devfsdirent_label)(struct label *label); 103 void (*mpo_destroy_ifnet_label)(struct label *label); 104 void (*mpo_destroy_inpcb_label)(struct label *label); 105 void (*mpo_destroy_ipq_label)(struct label *label); 106 void (*mpo_destroy_mbuf_label)(struct label *label); 107 void (*mpo_destroy_mount_label)(struct label *label); 108 void (*mpo_destroy_mount_fs_label)(struct label *label); 109 void (*mpo_destroy_socket_label)(struct label *label); 110 void (*mpo_destroy_socket_peer_label)(struct label *label); 111 void (*mpo_destroy_pipe_label)(struct label *label); 112 void (*mpo_destroy_proc_label)(struct label *label); 113 void (*mpo_destroy_vnode_label)(struct label *label); 114 void (*mpo_copy_cred_label)(struct label *src, 115 struct label *dest); 116 void (*mpo_copy_mbuf_label)(struct label *src, 117 struct label *dest); 118 void (*mpo_copy_pipe_label)(struct label *src, 119 struct label *dest); 120 void (*mpo_copy_socket_label)(struct label *src, 121 struct label *dest); 122 void (*mpo_copy_vnode_label)(struct label *src, 123 struct label *dest); 124 int (*mpo_externalize_cred_label)(struct label *label, 125 char *element_name, struct sbuf *sb, int *claimed); 126 int (*mpo_externalize_ifnet_label)(struct label *label, 127 char *element_name, struct sbuf *sb, int *claimed); 128 int (*mpo_externalize_pipe_label)(struct label *label, 129 char *element_name, struct sbuf *sb, int *claimed); 130 int (*mpo_externalize_socket_label)(struct label *label, 131 char *element_name, struct sbuf *sb, int *claimed); 132 int (*mpo_externalize_socket_peer_label)(struct label *label, 133 char *element_name, struct sbuf *sb, int *claimed); 134 int (*mpo_externalize_vnode_label)(struct label *label, 135 char *element_name, struct sbuf *sb, int *claimed); 136 int (*mpo_internalize_cred_label)(struct label *label, 137 char *element_name, char *element_data, int *claimed); 138 int (*mpo_internalize_ifnet_label)(struct label *label, 139 char *element_name, char *element_data, int *claimed); 140 int (*mpo_internalize_pipe_label)(struct label *label, 141 char *element_name, char *element_data, int *claimed); 142 int (*mpo_internalize_socket_label)(struct label *label, 143 char *element_name, char *element_data, int *claimed); 144 int (*mpo_internalize_vnode_label)(struct label *label, 145 char *element_name, char *element_data, int *claimed); 146 147 /* 148 * Labeling event operations: file system objects, and things that 149 * look a lot like file system objects. 150 */ 151 void (*mpo_associate_vnode_devfs)(struct mount *mp, 152 struct label *fslabel, struct devfs_dirent *de, 153 struct label *delabel, struct vnode *vp, 154 struct label *vlabel); 155 int (*mpo_associate_vnode_extattr)(struct mount *mp, 156 struct label *fslabel, struct vnode *vp, 157 struct label *vlabel); 158 void (*mpo_associate_vnode_singlelabel)(struct mount *mp, 159 struct label *fslabel, struct vnode *vp, 160 struct label *vlabel); 161 void (*mpo_create_devfs_device)(struct mount *mp, dev_t dev, 162 struct devfs_dirent *de, struct label *label); 163 void (*mpo_create_devfs_directory)(struct mount *mp, char *dirname, 164 int dirnamelen, struct devfs_dirent *de, 165 struct label *label); 166 void (*mpo_create_devfs_symlink)(struct ucred *cred, 167 struct mount *mp, struct devfs_dirent *dd, 168 struct label *ddlabel, struct devfs_dirent *de, 169 struct label *delabel); 170 int (*mpo_create_vnode_extattr)(struct ucred *cred, 171 struct mount *mp, struct label *fslabel, 172 struct vnode *dvp, struct label *dlabel, 173 struct vnode *vp, struct label *vlabel, 174 struct componentname *cnp); 175 void (*mpo_create_mount)(struct ucred *cred, struct mount *mp, 176 struct label *mntlabel, struct label *fslabel); 177 void (*mpo_create_root_mount)(struct ucred *cred, struct mount *mp, 178 struct label *mountlabel, struct label *fslabel); 179 void (*mpo_relabel_vnode)(struct ucred *cred, struct vnode *vp, 180 struct label *vnodelabel, struct label *label); 181 int (*mpo_setlabel_vnode_extattr)(struct ucred *cred, 182 struct vnode *vp, struct label *vlabel, 183 struct label *intlabel); 184 void (*mpo_update_devfsdirent)(struct mount *mp, 185 struct devfs_dirent *devfs_dirent, 186 struct label *direntlabel, struct vnode *vp, 187 struct label *vnodelabel); 188 189 /* 190 * Labeling event operations: IPC objects. 191 */ 192 void (*mpo_create_mbuf_from_socket)(struct socket *so, 193 struct label *socketlabel, struct mbuf *m, 194 struct label *mbuflabel); 195 void (*mpo_create_socket)(struct ucred *cred, struct socket *so, 196 struct label *socketlabel); 197 void (*mpo_create_socket_from_socket)(struct socket *oldsocket, 198 struct label *oldsocketlabel, struct socket *newsocket, 199 struct label *newsocketlabel); 200 void (*mpo_relabel_socket)(struct ucred *cred, struct socket *so, 201 struct label *oldlabel, struct label *newlabel); 202 void (*mpo_relabel_pipe)(struct ucred *cred, struct pipe *pipe, 203 struct label *oldlabel, struct label *newlabel); 204 void (*mpo_set_socket_peer_from_mbuf)(struct mbuf *mbuf, 205 struct label *mbuflabel, struct socket *so, 206 struct label *socketpeerlabel); 207 void (*mpo_set_socket_peer_from_socket)(struct socket *oldsocket, 208 struct label *oldsocketlabel, struct socket *newsocket, 209 struct label *newsocketpeerlabel); 210 void (*mpo_create_pipe)(struct ucred *cred, struct pipe *pipe, 211 struct label *pipelabel); 212 213 /* 214 * Labeling event operations: network objects. 215 */ 216 void (*mpo_create_bpfdesc)(struct ucred *cred, struct bpf_d *bpf_d, 217 struct label *bpflabel); 218 void (*mpo_create_ifnet)(struct ifnet *ifnet, 219 struct label *ifnetlabel); 220 void (*mpo_create_inpcb_from_socket)(struct socket *so, 221 struct label *solabel, struct inpcb *inp, 222 struct label *inplabel); 223 void (*mpo_create_ipq)(struct mbuf *fragment, 224 struct label *fragmentlabel, struct ipq *ipq, 225 struct label *ipqlabel); 226 void (*mpo_create_datagram_from_ipq) 227 (struct ipq *ipq, struct label *ipqlabel, 228 struct mbuf *datagram, struct label *datagramlabel); 229 void (*mpo_create_fragment)(struct mbuf *datagram, 230 struct label *datagramlabel, struct mbuf *fragment, 231 struct label *fragmentlabel); 232 void (*mpo_create_mbuf_from_mbuf)(struct mbuf *oldmbuf, 233 struct label *oldlabel, struct mbuf *newmbuf, 234 struct label *newlabel); 235 void (*mpo_create_mbuf_linklayer)(struct ifnet *ifnet, 236 struct label *ifnetlabel, struct mbuf *mbuf, 237 struct label *mbuflabel); 238 void (*mpo_create_mbuf_from_bpfdesc)(struct bpf_d *bpf_d, 239 struct label *bpflabel, struct mbuf *mbuf, 240 struct label *mbuflabel); 241 void (*mpo_create_mbuf_from_ifnet)(struct ifnet *ifnet, 242 struct label *ifnetlabel, struct mbuf *mbuf, 243 struct label *mbuflabel); 244 void (*mpo_create_mbuf_multicast_encap)(struct mbuf *oldmbuf, 245 struct label *oldmbuflabel, struct ifnet *ifnet, 246 struct label *ifnetlabel, struct mbuf *newmbuf, 247 struct label *newmbuflabel); 248 void (*mpo_create_mbuf_netlayer)(struct mbuf *oldmbuf, 249 struct label *oldmbuflabel, struct mbuf *newmbuf, 250 struct label *newmbuflabel); 251 int (*mpo_fragment_match)(struct mbuf *fragment, 252 struct label *fragmentlabel, struct ipq *ipq, 253 struct label *ipqlabel); 254 void (*mpo_reflect_mbuf_icmp)(struct mbuf *m, 255 struct label *mlabel); 256 void (*mpo_reflect_mbuf_tcp)(struct mbuf *m, struct label *mlabel); 257 void (*mpo_relabel_ifnet)(struct ucred *cred, struct ifnet *ifnet, 258 struct label *ifnetlabel, struct label *newlabel); 259 void (*mpo_update_ipq)(struct mbuf *fragment, 260 struct label *fragmentlabel, struct ipq *ipq, 261 struct label *ipqlabel); 262 void (*mpo_inpcb_sosetlabel)(struct socket *so, 263 struct label *label, struct inpcb *inp, 264 struct label *inplabel); 265 266 /* 267 * Labeling event operations: processes. 268 */ 269 void (*mpo_execve_transition)(struct ucred *old, struct ucred *new, 270 struct vnode *vp, struct label *vnodelabel, 271 struct label *interpvnodelabel, 272 struct image_params *imgp, struct label *execlabel); 273 int (*mpo_execve_will_transition)(struct ucred *old, 274 struct vnode *vp, struct label *vnodelabel, 275 struct label *interpvnodelabel, 276 struct image_params *imgp, struct label *execlabel); 277 void (*mpo_create_proc0)(struct ucred *cred); 278 void (*mpo_create_proc1)(struct ucred *cred); 279 void (*mpo_relabel_cred)(struct ucred *cred, 280 struct label *newlabel); 281 void (*mpo_thread_userret)(struct thread *thread); 282 283 /* 284 * Access control checks. 285 */ 286 int (*mpo_check_bpfdesc_receive)(struct bpf_d *bpf_d, 287 struct label *bpflabel, struct ifnet *ifnet, 288 struct label *ifnetlabel); 289 int (*mpo_check_cred_relabel)(struct ucred *cred, 290 struct label *newlabel); 291 int (*mpo_check_cred_visible)(struct ucred *u1, struct ucred *u2); 292 int (*mpo_check_ifnet_relabel)(struct ucred *cred, 293 struct ifnet *ifnet, struct label *ifnetlabel, 294 struct label *newlabel); 295 int (*mpo_check_ifnet_transmit)(struct ifnet *ifnet, 296 struct label *ifnetlabel, struct mbuf *m, 297 struct label *mbuflabel); 298 int (*mpo_check_inpcb_deliver)(struct inpcb *inp, 299 struct label *inplabel, struct mbuf *m, 300 struct label *mlabel); 301 int (*mpo_check_kenv_dump)(struct ucred *cred); 302 int (*mpo_check_kenv_get)(struct ucred *cred, char *name); 303 int (*mpo_check_kenv_set)(struct ucred *cred, char *name, 304 char *value); 305 int (*mpo_check_kenv_unset)(struct ucred *cred, char *name); 306 int (*mpo_check_kld_load)(struct ucred *cred, struct vnode *vp, 307 struct label *vlabel); 308 int (*mpo_check_kld_stat)(struct ucred *cred); 309 int (*mpo_check_kld_unload)(struct ucred *cred); 310 int (*mpo_check_mount_stat)(struct ucred *cred, struct mount *mp, 311 struct label *mntlabel); 312 int (*mpo_check_pipe_ioctl)(struct ucred *cred, struct pipe *pipe, 313 struct label *pipelabel, unsigned long cmd, void *data); 314 int (*mpo_check_pipe_poll)(struct ucred *cred, struct pipe *pipe, 315 struct label *pipelabel); 316 int (*mpo_check_pipe_read)(struct ucred *cred, struct pipe *pipe, 317 struct label *pipelabel); 318 int (*mpo_check_pipe_relabel)(struct ucred *cred, 319 struct pipe *pipe, struct label *pipelabel, 320 struct label *newlabel); 321 int (*mpo_check_pipe_stat)(struct ucred *cred, struct pipe *pipe, 322 struct label *pipelabel); 323 int (*mpo_check_pipe_write)(struct ucred *cred, struct pipe *pipe, 324 struct label *pipelabel); 325 int (*mpo_check_proc_debug)(struct ucred *cred, 326 struct proc *proc); 327 int (*mpo_check_proc_sched)(struct ucred *cred, 328 struct proc *proc); 329 int (*mpo_check_proc_signal)(struct ucred *cred, 330 struct proc *proc, int signum); 331 int (*mpo_check_socket_bind)(struct ucred *cred, 332 struct socket *so, struct label *socketlabel, 333 struct sockaddr *sockaddr); 334 int (*mpo_check_socket_connect)(struct ucred *cred, 335 struct socket *so, struct label *socketlabel, 336 struct sockaddr *sockaddr); 337 int (*mpo_check_socket_deliver)(struct socket *so, 338 struct label *socketlabel, struct mbuf *m, 339 struct label *mbuflabel); 340 int (*mpo_check_socket_listen)(struct ucred *cred, 341 struct socket *so, struct label *socketlabel); 342 int (*mpo_check_socket_receive)(struct ucred *cred, 343 struct socket *so, struct label *socketlabel); 344 int (*mpo_check_socket_relabel)(struct ucred *cred, 345 struct socket *so, struct label *socketlabel, 346 struct label *newlabel); 347 int (*mpo_check_socket_send)(struct ucred *cred, 348 struct socket *so, struct label *socketlabel); 349 int (*mpo_check_socket_visible)(struct ucred *cred, 350 struct socket *so, struct label *socketlabel); 351 int (*mpo_check_sysarch_ioperm)(struct ucred *cred); 352 int (*mpo_check_system_acct)(struct ucred *cred, 353 struct vnode *vp, struct label *vlabel); 354 int (*mpo_check_system_nfsd)(struct ucred *cred); 355 int (*mpo_check_system_reboot)(struct ucred *cred, int howto); 356 int (*mpo_check_system_settime)(struct ucred *cred); 357 int (*mpo_check_system_swapon)(struct ucred *cred, 358 struct vnode *vp, struct label *label); 359 int (*mpo_check_system_swapoff)(struct ucred *cred, 360 struct vnode *vp, struct label *label); 361 int (*mpo_check_system_sysctl)(struct ucred *cred, int *name, 362 u_int namelen, void *old, size_t *oldlenp, int inkernel, 363 void *new, size_t newlen); 364 int (*mpo_check_vnode_access)(struct ucred *cred, 365 struct vnode *vp, struct label *label, int acc_mode); 366 int (*mpo_check_vnode_chdir)(struct ucred *cred, 367 struct vnode *dvp, struct label *dlabel); 368 int (*mpo_check_vnode_chroot)(struct ucred *cred, 369 struct vnode *dvp, struct label *dlabel); 370 int (*mpo_check_vnode_create)(struct ucred *cred, 371 struct vnode *dvp, struct label *dlabel, 372 struct componentname *cnp, struct vattr *vap); 373 int (*mpo_check_vnode_delete)(struct ucred *cred, 374 struct vnode *dvp, struct label *dlabel, 375 struct vnode *vp, struct label *label, 376 struct componentname *cnp); 377 int (*mpo_check_vnode_deleteacl)(struct ucred *cred, 378 struct vnode *vp, struct label *label, acl_type_t type); 379 int (*mpo_check_vnode_deleteextattr)(struct ucred *cred, 380 struct vnode *vp, struct label *label, int attrnamespace, 381 const char *name); 382 int (*mpo_check_vnode_exec)(struct ucred *cred, struct vnode *vp, 383 struct label *label, struct image_params *imgp, 384 struct label *execlabel); 385 int (*mpo_check_vnode_getacl)(struct ucred *cred, 386 struct vnode *vp, struct label *label, acl_type_t type); 387 int (*mpo_check_vnode_getextattr)(struct ucred *cred, 388 struct vnode *vp, struct label *label, int attrnamespace, 389 const char *name, struct uio *uio); 390 int (*mpo_check_vnode_link)(struct ucred *cred, struct vnode *dvp, 391 struct label *dlabel, struct vnode *vp, 392 struct label *label, struct componentname *cnp); 393 int (*mpo_check_vnode_listextattr)(struct ucred *cred, 394 struct vnode *vp, struct label *label, int attrnamespace); 395 int (*mpo_check_vnode_lookup)(struct ucred *cred, 396 struct vnode *dvp, struct label *dlabel, 397 struct componentname *cnp); 398 int (*mpo_check_vnode_mmap)(struct ucred *cred, struct vnode *vp, 399 struct label *label, int prot); 400 void (*mpo_check_vnode_mmap_downgrade)(struct ucred *cred, 401 struct vnode *vp, struct label *label, int *prot); 402 int (*mpo_check_vnode_mprotect)(struct ucred *cred, 403 struct vnode *vp, struct label *label, int prot); 404 int (*mpo_check_vnode_open)(struct ucred *cred, struct vnode *vp, 405 struct label *label, int acc_mode); 406 int (*mpo_check_vnode_poll)(struct ucred *active_cred, 407 struct ucred *file_cred, struct vnode *vp, 408 struct label *label); 409 int (*mpo_check_vnode_read)(struct ucred *active_cred, 410 struct ucred *file_cred, struct vnode *vp, 411 struct label *label); 412 int (*mpo_check_vnode_readdir)(struct ucred *cred, 413 struct vnode *dvp, struct label *dlabel); 414 int (*mpo_check_vnode_readlink)(struct ucred *cred, 415 struct vnode *vp, struct label *label); 416 int (*mpo_check_vnode_relabel)(struct ucred *cred, 417 struct vnode *vp, struct label *vnodelabel, 418 struct label *newlabel); 419 int (*mpo_check_vnode_rename_from)(struct ucred *cred, 420 struct vnode *dvp, struct label *dlabel, struct vnode *vp, 421 struct label *label, struct componentname *cnp); 422 int (*mpo_check_vnode_rename_to)(struct ucred *cred, 423 struct vnode *dvp, struct label *dlabel, struct vnode *vp, 424 struct label *label, int samedir, 425 struct componentname *cnp); 426 int (*mpo_check_vnode_revoke)(struct ucred *cred, 427 struct vnode *vp, struct label *label); 428 int (*mpo_check_vnode_setacl)(struct ucred *cred, 429 struct vnode *vp, struct label *label, acl_type_t type, 430 struct acl *acl); 431 int (*mpo_check_vnode_setextattr)(struct ucred *cred, 432 struct vnode *vp, struct label *label, int attrnamespace, 433 const char *name, struct uio *uio); 434 int (*mpo_check_vnode_setflags)(struct ucred *cred, 435 struct vnode *vp, struct label *label, u_long flags); 436 int (*mpo_check_vnode_setmode)(struct ucred *cred, 437 struct vnode *vp, struct label *label, mode_t mode); 438 int (*mpo_check_vnode_setowner)(struct ucred *cred, 439 struct vnode *vp, struct label *label, uid_t uid, 440 gid_t gid); 441 int (*mpo_check_vnode_setutimes)(struct ucred *cred, 442 struct vnode *vp, struct label *label, 443 struct timespec atime, struct timespec mtime); 444 int (*mpo_check_vnode_stat)(struct ucred *active_cred, 445 struct ucred *file_cred, struct vnode *vp, 446 struct label *label); 447 int (*mpo_check_vnode_write)(struct ucred *active_cred, 448 struct ucred *file_cred, struct vnode *vp, 449 struct label *label); 450 }; 451 452 struct mac_policy_conf { 453 char *mpc_name; /* policy name */ 454 char *mpc_fullname; /* policy full name */ 455 struct mac_policy_ops *mpc_ops; /* policy operations */ 456 int mpc_loadtime_flags; /* flags */ 457 int *mpc_field_off; /* security field */ 458 int mpc_runtime_flags; /* flags */ 459 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */ 460 }; 461 462 /* Flags for the mpc_loadtime_flags field. */ 463 #define MPC_LOADTIME_FLAG_NOTLATE 0x00000001 464 #define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002 465 #define MPC_LOADTIME_FLAG_LABELMBUFS 0x00000004 466 467 /* Flags for the mpc_runtime_flags field. */ 468 #define MPC_RUNTIME_FLAG_REGISTERED 0x00000001 469 470 #define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \ 471 static struct mac_policy_conf mpname##_mac_policy_conf = { \ 472 #mpname, \ 473 mpfullname, \ 474 mpops, \ 475 mpflags, \ 476 privdata_wanted, \ 477 0, \ 478 }; \ 479 static moduledata_t mpname##_mod = { \ 480 #mpname, \ 481 mac_policy_modevent, \ 482 &mpname##_mac_policy_conf \ 483 }; \ 484 MODULE_DEPEND(mpname, kernel_mac_support, 1, 1, 1); \ 485 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \ 486 SI_ORDER_MIDDLE) 487 488 int mac_policy_modevent(module_t mod, int type, void *data); 489 490 #define LABEL_TO_SLOT(l, s) (l)->l_perpolicy[s] 491 492 #endif /* !_SYS_MAC_POLICY_H */
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