mac_policy.h revision 126292
1/*- 2 * Copyright (c) 1999-2002 Robert N. M. Watson 3 * Copyright (c) 2001-2004 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: head/sys/security/mac/mac_policy.h 126292 2004-02-26 16:15:14Z 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 */ 54struct acl; 55struct bpf_d; 56struct componentname; 57struct devfs_dirent; 58struct ifnet; 59struct image_params; 60struct inpcb; 61struct ipq; 62struct label; 63struct mac_policy_conf; 64struct mbuf; 65struct mount; 66struct pipepair; 67struct sbuf; 68struct socket; 69struct sysctl_oid; 70struct sysctl_req; 71struct ucred; 72struct uio; 73struct vattr; 74struct vnode; 75struct mac_policy_ops { 76 /* 77 * Policy module operations. 78 */ 79 void (*mpo_destroy)(struct mac_policy_conf *mpc); 80 void (*mpo_init)(struct mac_policy_conf *mpc); 81 82 /* 83 * General policy-directed security system call so that policies 84 * may implement new services without reserving explicit 85 * system call numbers. 86 */ 87 int (*mpo_syscall)(struct thread *td, int call, void *arg); 88 89 /* 90 * Label operations. 91 */ 92 void (*mpo_init_bpfdesc_label)(struct label *label); 93 void (*mpo_init_cred_label)(struct label *label); 94 void (*mpo_init_devfsdirent_label)(struct label *label); 95 void (*mpo_init_ifnet_label)(struct label *label); 96 int (*mpo_init_inpcb_label)(struct label *label, int flag); 97 int (*mpo_init_ipq_label)(struct label *label, int flag); 98 int (*mpo_init_mbuf_label)(struct label *label, int flag); 99 void (*mpo_init_mount_label)(struct label *label); 100 void (*mpo_init_mount_fs_label)(struct label *label); 101 int (*mpo_init_socket_label)(struct label *label, int flag); 102 int (*mpo_init_socket_peer_label)(struct label *label, int flag); 103 void (*mpo_init_pipe_label)(struct label *label); 104 void (*mpo_init_proc_label)(struct label *label); 105 void (*mpo_init_vnode_label)(struct label *label); 106 void (*mpo_destroy_bpfdesc_label)(struct label *label); 107 void (*mpo_destroy_cred_label)(struct label *label); 108 void (*mpo_destroy_devfsdirent_label)(struct label *label); 109 void (*mpo_destroy_ifnet_label)(struct label *label); 110 void (*mpo_destroy_inpcb_label)(struct label *label); 111 void (*mpo_destroy_ipq_label)(struct label *label); 112 void (*mpo_destroy_mbuf_label)(struct label *label); 113 void (*mpo_destroy_mount_label)(struct label *label); 114 void (*mpo_destroy_mount_fs_label)(struct label *label); 115 void (*mpo_destroy_socket_label)(struct label *label); 116 void (*mpo_destroy_socket_peer_label)(struct label *label); 117 void (*mpo_destroy_pipe_label)(struct label *label); 118 void (*mpo_destroy_proc_label)(struct label *label); 119 void (*mpo_destroy_vnode_label)(struct label *label); 120 void (*mpo_copy_cred_label)(struct label *src, 121 struct label *dest); 122 void (*mpo_copy_mbuf_label)(struct label *src, 123 struct label *dest); 124 void (*mpo_copy_pipe_label)(struct label *src, 125 struct label *dest); 126 void (*mpo_copy_socket_label)(struct label *src, 127 struct label *dest); 128 void (*mpo_copy_vnode_label)(struct label *src, 129 struct label *dest); 130 int (*mpo_externalize_cred_label)(struct label *label, 131 char *element_name, struct sbuf *sb, int *claimed); 132 int (*mpo_externalize_ifnet_label)(struct label *label, 133 char *element_name, struct sbuf *sb, int *claimed); 134 int (*mpo_externalize_pipe_label)(struct label *label, 135 char *element_name, struct sbuf *sb, int *claimed); 136 int (*mpo_externalize_socket_label)(struct label *label, 137 char *element_name, struct sbuf *sb, int *claimed); 138 int (*mpo_externalize_socket_peer_label)(struct label *label, 139 char *element_name, struct sbuf *sb, int *claimed); 140 int (*mpo_externalize_vnode_label)(struct label *label, 141 char *element_name, struct sbuf *sb, int *claimed); 142 int (*mpo_internalize_cred_label)(struct label *label, 143 char *element_name, char *element_data, int *claimed); 144 int (*mpo_internalize_ifnet_label)(struct label *label, 145 char *element_name, char *element_data, int *claimed); 146 int (*mpo_internalize_pipe_label)(struct label *label, 147 char *element_name, char *element_data, int *claimed); 148 int (*mpo_internalize_socket_label)(struct label *label, 149 char *element_name, char *element_data, int *claimed); 150 int (*mpo_internalize_vnode_label)(struct label *label, 151 char *element_name, char *element_data, int *claimed); 152 153 /* 154 * Labeling event operations: file system objects, and things that 155 * look a lot like file system objects. 156 */ 157 void (*mpo_associate_vnode_devfs)(struct mount *mp, 158 struct label *fslabel, struct devfs_dirent *de, 159 struct label *delabel, struct vnode *vp, 160 struct label *vlabel); 161 int (*mpo_associate_vnode_extattr)(struct mount *mp, 162 struct label *fslabel, struct vnode *vp, 163 struct label *vlabel); 164 void (*mpo_associate_vnode_singlelabel)(struct mount *mp, 165 struct label *fslabel, struct vnode *vp, 166 struct label *vlabel); 167 void (*mpo_create_devfs_device)(struct mount *mp, dev_t dev, 168 struct devfs_dirent *de, struct label *label); 169 void (*mpo_create_devfs_directory)(struct mount *mp, char *dirname, 170 int dirnamelen, struct devfs_dirent *de, 171 struct label *label); 172 void (*mpo_create_devfs_symlink)(struct ucred *cred, 173 struct mount *mp, struct devfs_dirent *dd, 174 struct label *ddlabel, struct devfs_dirent *de, 175 struct label *delabel); 176 int (*mpo_create_vnode_extattr)(struct ucred *cred, 177 struct mount *mp, struct label *fslabel, 178 struct vnode *dvp, struct label *dlabel, 179 struct vnode *vp, struct label *vlabel, 180 struct componentname *cnp); 181 void (*mpo_create_mount)(struct ucred *cred, struct mount *mp, 182 struct label *mntlabel, struct label *fslabel); 183 void (*mpo_create_root_mount)(struct ucred *cred, struct mount *mp, 184 struct label *mountlabel, struct label *fslabel); 185 void (*mpo_relabel_vnode)(struct ucred *cred, struct vnode *vp, 186 struct label *vnodelabel, struct label *label); 187 int (*mpo_setlabel_vnode_extattr)(struct ucred *cred, 188 struct vnode *vp, struct label *vlabel, 189 struct label *intlabel); 190 void (*mpo_update_devfsdirent)(struct mount *mp, 191 struct devfs_dirent *devfs_dirent, 192 struct label *direntlabel, struct vnode *vp, 193 struct label *vnodelabel); 194 195 /* 196 * Labeling event operations: IPC objects. 197 */ 198 void (*mpo_create_mbuf_from_socket)(struct socket *so, 199 struct label *socketlabel, struct mbuf *m, 200 struct label *mbuflabel); 201 void (*mpo_create_socket)(struct ucred *cred, struct socket *so, 202 struct label *socketlabel); 203 void (*mpo_create_socket_from_socket)(struct socket *oldsocket, 204 struct label *oldsocketlabel, struct socket *newsocket, 205 struct label *newsocketlabel); 206 void (*mpo_relabel_socket)(struct ucred *cred, struct socket *so, 207 struct label *oldlabel, struct label *newlabel); 208 void (*mpo_relabel_pipe)(struct ucred *cred, struct pipepair *pp, 209 struct label *oldlabel, struct label *newlabel); 210 void (*mpo_set_socket_peer_from_mbuf)(struct mbuf *mbuf, 211 struct label *mbuflabel, struct socket *so, 212 struct label *socketpeerlabel); 213 void (*mpo_set_socket_peer_from_socket)(struct socket *oldsocket, 214 struct label *oldsocketlabel, struct socket *newsocket, 215 struct label *newsocketpeerlabel); 216 void (*mpo_create_pipe)(struct ucred *cred, struct pipepair *pp, 217 struct label *pipelabel); 218 219 /* 220 * Labeling event operations: network objects. 221 */ 222 void (*mpo_create_bpfdesc)(struct ucred *cred, struct bpf_d *bpf_d, 223 struct label *bpflabel); 224 void (*mpo_create_ifnet)(struct ifnet *ifnet, 225 struct label *ifnetlabel); 226 void (*mpo_create_inpcb_from_socket)(struct socket *so, 227 struct label *solabel, struct inpcb *inp, 228 struct label *inplabel); 229 void (*mpo_create_ipq)(struct mbuf *fragment, 230 struct label *fragmentlabel, struct ipq *ipq, 231 struct label *ipqlabel); 232 void (*mpo_create_datagram_from_ipq) 233 (struct ipq *ipq, struct label *ipqlabel, 234 struct mbuf *datagram, struct label *datagramlabel); 235 void (*mpo_create_fragment)(struct mbuf *datagram, 236 struct label *datagramlabel, struct mbuf *fragment, 237 struct label *fragmentlabel); 238 void (*mpo_create_mbuf_from_inpcb)(struct inpcb *inp, 239 struct label *inplabel, struct mbuf *m, 240 struct label *mlabel); 241 void (*mpo_create_mbuf_from_mbuf)(struct mbuf *oldmbuf, 242 struct label *oldlabel, struct mbuf *newmbuf, 243 struct label *newlabel); 244 void (*mpo_create_mbuf_linklayer)(struct ifnet *ifnet, 245 struct label *ifnetlabel, struct mbuf *mbuf, 246 struct label *mbuflabel); 247 void (*mpo_create_mbuf_from_bpfdesc)(struct bpf_d *bpf_d, 248 struct label *bpflabel, struct mbuf *mbuf, 249 struct label *mbuflabel); 250 void (*mpo_create_mbuf_from_ifnet)(struct ifnet *ifnet, 251 struct label *ifnetlabel, struct mbuf *mbuf, 252 struct label *mbuflabel); 253 void (*mpo_create_mbuf_multicast_encap)(struct mbuf *oldmbuf, 254 struct label *oldmbuflabel, struct ifnet *ifnet, 255 struct label *ifnetlabel, struct mbuf *newmbuf, 256 struct label *newmbuflabel); 257 void (*mpo_create_mbuf_netlayer)(struct mbuf *oldmbuf, 258 struct label *oldmbuflabel, struct mbuf *newmbuf, 259 struct label *newmbuflabel); 260 int (*mpo_fragment_match)(struct mbuf *fragment, 261 struct label *fragmentlabel, struct ipq *ipq, 262 struct label *ipqlabel); 263 void (*mpo_reflect_mbuf_icmp)(struct mbuf *m, 264 struct label *mlabel); 265 void (*mpo_reflect_mbuf_tcp)(struct mbuf *m, struct label *mlabel); 266 void (*mpo_relabel_ifnet)(struct ucred *cred, struct ifnet *ifnet, 267 struct label *ifnetlabel, struct label *newlabel); 268 void (*mpo_update_ipq)(struct mbuf *fragment, 269 struct label *fragmentlabel, struct ipq *ipq, 270 struct label *ipqlabel); 271 void (*mpo_inpcb_sosetlabel)(struct socket *so, 272 struct label *label, struct inpcb *inp, 273 struct label *inplabel); 274 275 /* 276 * Labeling event operations: processes. 277 */ 278 void (*mpo_execve_transition)(struct ucred *old, struct ucred *new, 279 struct vnode *vp, struct label *vnodelabel, 280 struct label *interpvnodelabel, 281 struct image_params *imgp, struct label *execlabel); 282 int (*mpo_execve_will_transition)(struct ucred *old, 283 struct vnode *vp, struct label *vnodelabel, 284 struct label *interpvnodelabel, 285 struct image_params *imgp, struct label *execlabel); 286 void (*mpo_create_proc0)(struct ucred *cred); 287 void (*mpo_create_proc1)(struct ucred *cred); 288 void (*mpo_relabel_cred)(struct ucred *cred, 289 struct label *newlabel); 290 void (*mpo_thread_userret)(struct thread *thread); 291 292 /* 293 * Access control checks. 294 */ 295 int (*mpo_check_bpfdesc_receive)(struct bpf_d *bpf_d, 296 struct label *bpflabel, struct ifnet *ifnet, 297 struct label *ifnetlabel); 298 int (*mpo_check_cred_relabel)(struct ucred *cred, 299 struct label *newlabel); 300 int (*mpo_check_cred_visible)(struct ucred *u1, struct ucred *u2); 301 int (*mpo_check_ifnet_relabel)(struct ucred *cred, 302 struct ifnet *ifnet, struct label *ifnetlabel, 303 struct label *newlabel); 304 int (*mpo_check_ifnet_transmit)(struct ifnet *ifnet, 305 struct label *ifnetlabel, struct mbuf *m, 306 struct label *mbuflabel); 307 int (*mpo_check_inpcb_deliver)(struct inpcb *inp, 308 struct label *inplabel, struct mbuf *m, 309 struct label *mlabel); 310 int (*mpo_check_kenv_dump)(struct ucred *cred); 311 int (*mpo_check_kenv_get)(struct ucred *cred, char *name); 312 int (*mpo_check_kenv_set)(struct ucred *cred, char *name, 313 char *value); 314 int (*mpo_check_kenv_unset)(struct ucred *cred, char *name); 315 int (*mpo_check_kld_load)(struct ucred *cred, struct vnode *vp, 316 struct label *vlabel); 317 int (*mpo_check_kld_stat)(struct ucred *cred); 318 int (*mpo_check_kld_unload)(struct ucred *cred); 319 int (*mpo_check_mount_stat)(struct ucred *cred, struct mount *mp, 320 struct label *mntlabel); 321 int (*mpo_check_pipe_ioctl)(struct ucred *cred, 322 struct pipepair *pp, struct label *pipelabel, 323 unsigned long cmd, void *data); 324 int (*mpo_check_pipe_poll)(struct ucred *cred, 325 struct pipepair *pp, struct label *pipelabel); 326 int (*mpo_check_pipe_read)(struct ucred *cred, 327 struct pipepair *pp, struct label *pipelabel); 328 int (*mpo_check_pipe_relabel)(struct ucred *cred, 329 struct pipepair *pp, struct label *pipelabel, 330 struct label *newlabel); 331 int (*mpo_check_pipe_stat)(struct ucred *cred, 332 struct pipepair *pp, struct label *pipelabel); 333 int (*mpo_check_pipe_write)(struct ucred *cred, 334 struct pipepair *pp, struct label *pipelabel); 335 int (*mpo_check_proc_debug)(struct ucred *cred, 336 struct proc *proc); 337 int (*mpo_check_proc_sched)(struct ucred *cred, 338 struct proc *proc); 339 int (*mpo_check_proc_signal)(struct ucred *cred, 340 struct proc *proc, int signum); 341 int (*mpo_check_socket_bind)(struct ucred *cred, 342 struct socket *so, struct label *socketlabel, 343 struct sockaddr *sockaddr); 344 int (*mpo_check_socket_connect)(struct ucred *cred, 345 struct socket *so, struct label *socketlabel, 346 struct sockaddr *sockaddr); 347 int (*mpo_check_socket_deliver)(struct socket *so, 348 struct label *socketlabel, struct mbuf *m, 349 struct label *mbuflabel); 350 int (*mpo_check_socket_listen)(struct ucred *cred, 351 struct socket *so, struct label *socketlabel); 352 int (*mpo_check_socket_receive)(struct ucred *cred, 353 struct socket *so, struct label *socketlabel); 354 int (*mpo_check_socket_relabel)(struct ucred *cred, 355 struct socket *so, struct label *socketlabel, 356 struct label *newlabel); 357 int (*mpo_check_socket_send)(struct ucred *cred, 358 struct socket *so, struct label *socketlabel); 359 int (*mpo_check_socket_visible)(struct ucred *cred, 360 struct socket *so, struct label *socketlabel); 361 int (*mpo_check_sysarch_ioperm)(struct ucred *cred); 362 int (*mpo_check_system_acct)(struct ucred *cred, 363 struct vnode *vp, struct label *vlabel); 364 int (*mpo_check_system_nfsd)(struct ucred *cred); 365 int (*mpo_check_system_reboot)(struct ucred *cred, int howto); 366 int (*mpo_check_system_settime)(struct ucred *cred); 367 int (*mpo_check_system_swapon)(struct ucred *cred, 368 struct vnode *vp, struct label *label); 369 int (*mpo_check_system_swapoff)(struct ucred *cred, 370 struct vnode *vp, struct label *label); 371 int (*mpo_check_system_sysctl)(struct ucred *cred, 372 struct sysctl_oid *oidp, void *arg1, int arg2, 373 struct sysctl_req *req); 374 int (*mpo_check_vnode_access)(struct ucred *cred, 375 struct vnode *vp, struct label *label, int acc_mode); 376 int (*mpo_check_vnode_chdir)(struct ucred *cred, 377 struct vnode *dvp, struct label *dlabel); 378 int (*mpo_check_vnode_chroot)(struct ucred *cred, 379 struct vnode *dvp, struct label *dlabel); 380 int (*mpo_check_vnode_create)(struct ucred *cred, 381 struct vnode *dvp, struct label *dlabel, 382 struct componentname *cnp, struct vattr *vap); 383 int (*mpo_check_vnode_delete)(struct ucred *cred, 384 struct vnode *dvp, struct label *dlabel, 385 struct vnode *vp, struct label *label, 386 struct componentname *cnp); 387 int (*mpo_check_vnode_deleteacl)(struct ucred *cred, 388 struct vnode *vp, struct label *label, acl_type_t type); 389 int (*mpo_check_vnode_deleteextattr)(struct ucred *cred, 390 struct vnode *vp, struct label *label, int attrnamespace, 391 const char *name); 392 int (*mpo_check_vnode_exec)(struct ucred *cred, struct vnode *vp, 393 struct label *label, struct image_params *imgp, 394 struct label *execlabel); 395 int (*mpo_check_vnode_getacl)(struct ucred *cred, 396 struct vnode *vp, struct label *label, acl_type_t type); 397 int (*mpo_check_vnode_getextattr)(struct ucred *cred, 398 struct vnode *vp, struct label *label, int attrnamespace, 399 const char *name, struct uio *uio); 400 int (*mpo_check_vnode_link)(struct ucred *cred, struct vnode *dvp, 401 struct label *dlabel, struct vnode *vp, 402 struct label *label, struct componentname *cnp); 403 int (*mpo_check_vnode_listextattr)(struct ucred *cred, 404 struct vnode *vp, struct label *label, int attrnamespace); 405 int (*mpo_check_vnode_lookup)(struct ucred *cred, 406 struct vnode *dvp, struct label *dlabel, 407 struct componentname *cnp); 408 int (*mpo_check_vnode_mmap)(struct ucred *cred, struct vnode *vp, 409 struct label *label, int prot); 410 void (*mpo_check_vnode_mmap_downgrade)(struct ucred *cred, 411 struct vnode *vp, struct label *label, int *prot); 412 int (*mpo_check_vnode_mprotect)(struct ucred *cred, 413 struct vnode *vp, struct label *label, int prot); 414 int (*mpo_check_vnode_open)(struct ucred *cred, struct vnode *vp, 415 struct label *label, int acc_mode); 416 int (*mpo_check_vnode_poll)(struct ucred *active_cred, 417 struct ucred *file_cred, struct vnode *vp, 418 struct label *label); 419 int (*mpo_check_vnode_read)(struct ucred *active_cred, 420 struct ucred *file_cred, struct vnode *vp, 421 struct label *label); 422 int (*mpo_check_vnode_readdir)(struct ucred *cred, 423 struct vnode *dvp, struct label *dlabel); 424 int (*mpo_check_vnode_readlink)(struct ucred *cred, 425 struct vnode *vp, struct label *label); 426 int (*mpo_check_vnode_relabel)(struct ucred *cred, 427 struct vnode *vp, struct label *vnodelabel, 428 struct label *newlabel); 429 int (*mpo_check_vnode_rename_from)(struct ucred *cred, 430 struct vnode *dvp, struct label *dlabel, struct vnode *vp, 431 struct label *label, struct componentname *cnp); 432 int (*mpo_check_vnode_rename_to)(struct ucred *cred, 433 struct vnode *dvp, struct label *dlabel, struct vnode *vp, 434 struct label *label, int samedir, 435 struct componentname *cnp); 436 int (*mpo_check_vnode_revoke)(struct ucred *cred, 437 struct vnode *vp, struct label *label); 438 int (*mpo_check_vnode_setacl)(struct ucred *cred, 439 struct vnode *vp, struct label *label, acl_type_t type, 440 struct acl *acl); 441 int (*mpo_check_vnode_setextattr)(struct ucred *cred, 442 struct vnode *vp, struct label *label, int attrnamespace, 443 const char *name, struct uio *uio); 444 int (*mpo_check_vnode_setflags)(struct ucred *cred, 445 struct vnode *vp, struct label *label, u_long flags); 446 int (*mpo_check_vnode_setmode)(struct ucred *cred, 447 struct vnode *vp, struct label *label, mode_t mode); 448 int (*mpo_check_vnode_setowner)(struct ucred *cred, 449 struct vnode *vp, struct label *label, uid_t uid, 450 gid_t gid); 451 int (*mpo_check_vnode_setutimes)(struct ucred *cred, 452 struct vnode *vp, struct label *label, 453 struct timespec atime, struct timespec mtime); 454 int (*mpo_check_vnode_stat)(struct ucred *active_cred, 455 struct ucred *file_cred, struct vnode *vp, 456 struct label *label); 457 int (*mpo_check_vnode_write)(struct ucred *active_cred, 458 struct ucred *file_cred, struct vnode *vp, 459 struct label *label); 460}; 461 462struct mac_policy_conf { 463 char *mpc_name; /* policy name */ 464 char *mpc_fullname; /* policy full name */ 465 struct mac_policy_ops *mpc_ops; /* policy operations */ 466 int mpc_loadtime_flags; /* flags */ 467 int *mpc_field_off; /* security field */ 468 int mpc_runtime_flags; /* flags */ 469 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */ 470}; 471 472/* Flags for the mpc_loadtime_flags field. */ 473#define MPC_LOADTIME_FLAG_NOTLATE 0x00000001 474#define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002 475#define MPC_LOADTIME_FLAG_LABELMBUFS 0x00000004 476 477/* Flags for the mpc_runtime_flags field. */ 478#define MPC_RUNTIME_FLAG_REGISTERED 0x00000001 479 480#define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \ 481 static struct mac_policy_conf mpname##_mac_policy_conf = { \ 482 #mpname, \ 483 mpfullname, \ 484 mpops, \ 485 mpflags, \ 486 privdata_wanted, \ 487 0, \ 488 }; \ 489 static moduledata_t mpname##_mod = { \ 490 #mpname, \ 491 mac_policy_modevent, \ 492 &mpname##_mac_policy_conf \ 493 }; \ 494 MODULE_DEPEND(mpname, kernel_mac_support, 1, 1, 1); \ 495 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \ 496 SI_ORDER_MIDDLE) 497 498int mac_policy_modevent(module_t mod, int type, void *data); 499 500#define LABEL_TO_SLOT(l, s) (l)->l_perpolicy[s] 501 502#endif /* !_SYS_MAC_POLICY_H */ 503