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 * $FreeBSD$ 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 bpf_d; 56 struct componentname; 57 struct devfs_dirent; 58 struct ifnet; 59 struct image_params; 60 struct inpcb; 61 struct ipq; 62 struct label; 63 struct mac_policy_conf; 64 struct mbuf; 65 struct mount; 66 struct pipepair; 67 struct proc; 68 struct sbuf; 69 struct sockaddr; 70 struct socket; 71 struct sysctl_oid; 72 struct sysctl_req; 73 struct thread; 74 struct ucred; 75 struct uio; 76 struct vattr; 77 struct vnode; 78 struct mac_policy_ops { 79 /* 80 * Policy module operations. 81 */ 82 void (*mpo_destroy)(struct mac_policy_conf *mpc); 83 void (*mpo_init)(struct mac_policy_conf *mpc); 84 85 /* 86 * General policy-directed security system call so that policies 87 * may implement new services without reserving explicit 88 * system call numbers. 89 */ 90 int (*mpo_syscall)(struct thread *td, int call, void *arg); 91 92 /* 93 * Label operations. 94 */ 95 void (*mpo_init_bpfdesc_label)(struct label *label); 96 void (*mpo_init_cred_label)(struct label *label); 97 void (*mpo_init_devfsdirent_label)(struct label *label); 98 void (*mpo_init_ifnet_label)(struct label *label); 99 int (*mpo_init_inpcb_label)(struct label *label, int flag); 100 int (*mpo_init_ipq_label)(struct label *label, int flag); 101 int (*mpo_init_mbuf_label)(struct label *label, int flag); 102 void (*mpo_init_mount_label)(struct label *label); 103 void (*mpo_init_mount_fs_label)(struct label *label); 104 int (*mpo_init_socket_label)(struct label *label, int flag); 105 int (*mpo_init_socket_peer_label)(struct label *label, int flag); 106 void (*mpo_init_pipe_label)(struct label *label); 107 void (*mpo_init_proc_label)(struct label *label); 108 void (*mpo_init_vnode_label)(struct label *label); 109 void (*mpo_destroy_bpfdesc_label)(struct label *label); 110 void (*mpo_destroy_cred_label)(struct label *label); 111 void (*mpo_destroy_devfsdirent_label)(struct label *label); 112 void (*mpo_destroy_ifnet_label)(struct label *label); 113 void (*mpo_destroy_inpcb_label)(struct label *label); 114 void (*mpo_destroy_ipq_label)(struct label *label); 115 void (*mpo_destroy_mbuf_label)(struct label *label); 116 void (*mpo_destroy_mount_label)(struct label *label); 117 void (*mpo_destroy_mount_fs_label)(struct label *label); 118 void (*mpo_destroy_socket_label)(struct label *label); 119 void (*mpo_destroy_socket_peer_label)(struct label *label); 120 void (*mpo_destroy_pipe_label)(struct label *label); 121 void (*mpo_destroy_proc_label)(struct label *label); 122 void (*mpo_destroy_vnode_label)(struct label *label); 123 void (*mpo_copy_cred_label)(struct label *src, 124 struct label *dest); 125 void (*mpo_copy_mbuf_label)(struct label *src, 126 struct label *dest); 127 void (*mpo_copy_pipe_label)(struct label *src, 128 struct label *dest); 129 void (*mpo_copy_socket_label)(struct label *src, 130 struct label *dest); 131 void (*mpo_copy_vnode_label)(struct label *src, 132 struct label *dest); 133 int (*mpo_externalize_cred_label)(struct label *label, 134 char *element_name, struct sbuf *sb, int *claimed); 135 int (*mpo_externalize_ifnet_label)(struct label *label, 136 char *element_name, struct sbuf *sb, int *claimed); 137 int (*mpo_externalize_pipe_label)(struct label *label, 138 char *element_name, struct sbuf *sb, int *claimed); 139 int (*mpo_externalize_socket_label)(struct label *label, 140 char *element_name, struct sbuf *sb, int *claimed); 141 int (*mpo_externalize_socket_peer_label)(struct label *label, 142 char *element_name, struct sbuf *sb, int *claimed); 143 int (*mpo_externalize_vnode_label)(struct label *label, 144 char *element_name, struct sbuf *sb, int *claimed); 145 int (*mpo_internalize_cred_label)(struct label *label, 146 char *element_name, char *element_data, int *claimed); 147 int (*mpo_internalize_ifnet_label)(struct label *label, 148 char *element_name, char *element_data, int *claimed); 149 int (*mpo_internalize_pipe_label)(struct label *label, 150 char *element_name, char *element_data, int *claimed); 151 int (*mpo_internalize_socket_label)(struct label *label, 152 char *element_name, char *element_data, int *claimed); 153 int (*mpo_internalize_vnode_label)(struct label *label, 154 char *element_name, char *element_data, int *claimed); 155 156 /* 157 * Labeling event operations: file system objects, and things that 158 * look a lot like file system objects. 159 */ 160 void (*mpo_associate_vnode_devfs)(struct mount *mp, 161 struct label *fslabel, struct devfs_dirent *de, 162 struct label *delabel, struct vnode *vp, 163 struct label *vlabel); 164 int (*mpo_associate_vnode_extattr)(struct mount *mp, 165 struct label *fslabel, struct vnode *vp, 166 struct label *vlabel); 167 void (*mpo_associate_vnode_singlelabel)(struct mount *mp, 168 struct label *fslabel, struct vnode *vp, 169 struct label *vlabel); 170 void (*mpo_create_devfs_device)(struct mount *mp, dev_t dev, 171 struct devfs_dirent *de, struct label *label); 172 void (*mpo_create_devfs_directory)(struct mount *mp, char *dirname, 173 int dirnamelen, struct devfs_dirent *de, 174 struct label *label); 175 void (*mpo_create_devfs_symlink)(struct ucred *cred, 176 struct mount *mp, struct devfs_dirent *dd, 177 struct label *ddlabel, struct devfs_dirent *de, 178 struct label *delabel); 179 int (*mpo_create_vnode_extattr)(struct ucred *cred, 180 struct mount *mp, struct label *fslabel, 181 struct vnode *dvp, struct label *dlabel, 182 struct vnode *vp, struct label *vlabel, 183 struct componentname *cnp); 184 void (*mpo_create_mount)(struct ucred *cred, struct mount *mp, 185 struct label *mntlabel, struct label *fslabel); 186 void (*mpo_create_root_mount)(struct ucred *cred, struct mount *mp, 187 struct label *mountlabel, struct label *fslabel); 188 void (*mpo_relabel_vnode)(struct ucred *cred, struct vnode *vp, 189 struct label *vnodelabel, struct label *label); 190 int (*mpo_setlabel_vnode_extattr)(struct ucred *cred, 191 struct vnode *vp, struct label *vlabel, 192 struct label *intlabel); 193 void (*mpo_update_devfsdirent)(struct mount *mp, 194 struct devfs_dirent *devfs_dirent, 195 struct label *direntlabel, struct vnode *vp, 196 struct label *vnodelabel); 197 198 /* 199 * Labeling event operations: IPC objects. 200 */ 201 void (*mpo_create_mbuf_from_socket)(struct socket *so, 202 struct label *socketlabel, struct mbuf *m, 203 struct label *mbuflabel); 204 void (*mpo_create_socket)(struct ucred *cred, struct socket *so, 205 struct label *socketlabel); 206 void (*mpo_create_socket_from_socket)(struct socket *oldsocket, 207 struct label *oldsocketlabel, struct socket *newsocket, 208 struct label *newsocketlabel); 209 void (*mpo_relabel_socket)(struct ucred *cred, struct socket *so, 210 struct label *oldlabel, struct label *newlabel); 211 void (*mpo_relabel_pipe)(struct ucred *cred, struct pipepair *pp, 212 struct label *oldlabel, struct label *newlabel); 213 void (*mpo_set_socket_peer_from_mbuf)(struct mbuf *mbuf, 214 struct label *mbuflabel, struct socket *so, 215 struct label *socketpeerlabel); 216 void (*mpo_set_socket_peer_from_socket)(struct socket *oldsocket, 217 struct label *oldsocketlabel, struct socket *newsocket, 218 struct label *newsocketpeerlabel); 219 void (*mpo_create_pipe)(struct ucred *cred, struct pipepair *pp, 220 struct label *pipelabel); 221 222 /* 223 * Labeling event operations: network objects. 224 */ 225 void (*mpo_create_bpfdesc)(struct ucred *cred, struct bpf_d *bpf_d, 226 struct label *bpflabel); 227 void (*mpo_create_ifnet)(struct ifnet *ifnet, 228 struct label *ifnetlabel); 229 void (*mpo_create_inpcb_from_socket)(struct socket *so, 230 struct label *solabel, struct inpcb *inp, 231 struct label *inplabel); 232 void (*mpo_create_ipq)(struct mbuf *fragment, 233 struct label *fragmentlabel, struct ipq *ipq, 234 struct label *ipqlabel); 235 void (*mpo_create_datagram_from_ipq) 236 (struct ipq *ipq, struct label *ipqlabel, 237 struct mbuf *datagram, struct label *datagramlabel); 238 void (*mpo_create_fragment)(struct mbuf *datagram, 239 struct label *datagramlabel, struct mbuf *fragment, 240 struct label *fragmentlabel); 241 void (*mpo_create_mbuf_from_inpcb)(struct inpcb *inp, 242 struct label *inplabel, struct mbuf *m, 243 struct label *mlabel); 244 void (*mpo_create_mbuf_from_mbuf)(struct mbuf *oldmbuf, 245 struct label *oldlabel, struct mbuf *newmbuf, 246 struct label *newlabel); 247 void (*mpo_create_mbuf_linklayer)(struct ifnet *ifnet, 248 struct label *ifnetlabel, struct mbuf *mbuf, 249 struct label *mbuflabel); 250 void (*mpo_create_mbuf_from_bpfdesc)(struct bpf_d *bpf_d, 251 struct label *bpflabel, struct mbuf *mbuf, 252 struct label *mbuflabel); 253 void (*mpo_create_mbuf_from_ifnet)(struct ifnet *ifnet, 254 struct label *ifnetlabel, struct mbuf *mbuf, 255 struct label *mbuflabel); 256 void (*mpo_create_mbuf_multicast_encap)(struct mbuf *oldmbuf, 257 struct label *oldmbuflabel, struct ifnet *ifnet, 258 struct label *ifnetlabel, struct mbuf *newmbuf, 259 struct label *newmbuflabel); 260 void (*mpo_create_mbuf_netlayer)(struct mbuf *oldmbuf, 261 struct label *oldmbuflabel, struct mbuf *newmbuf, 262 struct label *newmbuflabel); 263 int (*mpo_fragment_match)(struct mbuf *fragment, 264 struct label *fragmentlabel, struct ipq *ipq, 265 struct label *ipqlabel); 266 void (*mpo_reflect_mbuf_icmp)(struct mbuf *m, 267 struct label *mlabel); 268 void (*mpo_reflect_mbuf_tcp)(struct mbuf *m, struct label *mlabel); 269 void (*mpo_relabel_ifnet)(struct ucred *cred, struct ifnet *ifnet, 270 struct label *ifnetlabel, struct label *newlabel); 271 void (*mpo_update_ipq)(struct mbuf *fragment, 272 struct label *fragmentlabel, struct ipq *ipq, 273 struct label *ipqlabel); 274 void (*mpo_inpcb_sosetlabel)(struct socket *so, 275 struct label *label, struct inpcb *inp, 276 struct label *inplabel); 277 278 /* 279 * Labeling event operations: processes. 280 */ 281 void (*mpo_execve_transition)(struct ucred *old, struct ucred *new, 282 struct vnode *vp, struct label *vnodelabel, 283 struct label *interpvnodelabel, 284 struct image_params *imgp, struct label *execlabel); 285 int (*mpo_execve_will_transition)(struct ucred *old, 286 struct vnode *vp, struct label *vnodelabel, 287 struct label *interpvnodelabel, 288 struct image_params *imgp, struct label *execlabel); 289 void (*mpo_create_proc0)(struct ucred *cred); 290 void (*mpo_create_proc1)(struct ucred *cred); 291 void (*mpo_relabel_cred)(struct ucred *cred, 292 struct label *newlabel); 293 void (*mpo_thread_userret)(struct thread *thread); 294 295 /* 296 * Access control checks. 297 */ 298 int (*mpo_check_bpfdesc_receive)(struct bpf_d *bpf_d, 299 struct label *bpflabel, struct ifnet *ifnet, 300 struct label *ifnetlabel); 301 int (*mpo_check_cred_relabel)(struct ucred *cred, 302 struct label *newlabel); 303 int (*mpo_check_cred_visible)(struct ucred *u1, struct ucred *u2); 304 int (*mpo_check_ifnet_relabel)(struct ucred *cred, 305 struct ifnet *ifnet, struct label *ifnetlabel, 306 struct label *newlabel); 307 int (*mpo_check_ifnet_transmit)(struct ifnet *ifnet, 308 struct label *ifnetlabel, struct mbuf *m, 309 struct label *mbuflabel); 310 int (*mpo_check_inpcb_deliver)(struct inpcb *inp, 311 struct label *inplabel, struct mbuf *m, 312 struct label *mlabel); 313 int (*mpo_check_kenv_dump)(struct ucred *cred); 314 int (*mpo_check_kenv_get)(struct ucred *cred, char *name); 315 int (*mpo_check_kenv_set)(struct ucred *cred, char *name, 316 char *value); 317 int (*mpo_check_kenv_unset)(struct ucred *cred, char *name); 318 int (*mpo_check_kld_load)(struct ucred *cred, struct vnode *vp, 319 struct label *vlabel); 320 int (*mpo_check_kld_stat)(struct ucred *cred); 321 int (*mpo_check_kld_unload)(struct ucred *cred); 322 int (*mpo_check_mount_stat)(struct ucred *cred, struct mount *mp, 323 struct label *mntlabel); 324 int (*mpo_check_pipe_ioctl)(struct ucred *cred, 325 struct pipepair *pp, struct label *pipelabel, 326 unsigned long cmd, void *data); 327 int (*mpo_check_pipe_poll)(struct ucred *cred, 328 struct pipepair *pp, struct label *pipelabel); 329 int (*mpo_check_pipe_read)(struct ucred *cred, 330 struct pipepair *pp, struct label *pipelabel); 331 int (*mpo_check_pipe_relabel)(struct ucred *cred, 332 struct pipepair *pp, struct label *pipelabel, 333 struct label *newlabel); 334 int (*mpo_check_pipe_stat)(struct ucred *cred, 335 struct pipepair *pp, struct label *pipelabel); 336 int (*mpo_check_pipe_write)(struct ucred *cred, 337 struct pipepair *pp, struct label *pipelabel); 338 int (*mpo_check_proc_debug)(struct ucred *cred, 339 struct proc *proc); 340 int (*mpo_check_proc_sched)(struct ucred *cred, 341 struct proc *proc); 342 int (*mpo_check_proc_signal)(struct ucred *cred, 343 struct proc *proc, int signum); 344 int (*mpo_check_socket_bind)(struct ucred *cred, 345 struct socket *so, struct label *socketlabel, 346 struct sockaddr *sockaddr); 347 int (*mpo_check_socket_connect)(struct ucred *cred, 348 struct socket *so, struct label *socketlabel, 349 struct sockaddr *sockaddr); 350 int (*mpo_check_socket_deliver)(struct socket *so, 351 struct label *socketlabel, struct mbuf *m, 352 struct label *mbuflabel); 353 int (*mpo_check_socket_listen)(struct ucred *cred, 354 struct socket *so, struct label *socketlabel); 355 int (*mpo_check_socket_receive)(struct ucred *cred, 356 struct socket *so, struct label *socketlabel); 357 int (*mpo_check_socket_relabel)(struct ucred *cred, 358 struct socket *so, struct label *socketlabel, 359 struct label *newlabel); 360 int (*mpo_check_socket_send)(struct ucred *cred, 361 struct socket *so, struct label *socketlabel); 362 int (*mpo_check_socket_visible)(struct ucred *cred, 363 struct socket *so, struct label *socketlabel); 364 int (*mpo_check_sysarch_ioperm)(struct ucred *cred); 365 int (*mpo_check_system_acct)(struct ucred *cred, 366 struct vnode *vp, struct label *vlabel); 367 int (*mpo_check_system_nfsd)(struct ucred *cred); 368 int (*mpo_check_system_reboot)(struct ucred *cred, int howto); 369 int (*mpo_check_system_settime)(struct ucred *cred); 370 int (*mpo_check_system_swapon)(struct ucred *cred, 371 struct vnode *vp, struct label *label); 372 int (*mpo_check_system_swapoff)(struct ucred *cred, 373 struct vnode *vp, struct label *label); 374 int (*mpo_check_system_sysctl)(struct ucred *cred, 375 struct sysctl_oid *oidp, void *arg1, int arg2, 376 struct sysctl_req *req); 377 int (*mpo_check_vnode_access)(struct ucred *cred, 378 struct vnode *vp, struct label *label, int acc_mode); 379 int (*mpo_check_vnode_chdir)(struct ucred *cred, 380 struct vnode *dvp, struct label *dlabel); 381 int (*mpo_check_vnode_chroot)(struct ucred *cred, 382 struct vnode *dvp, struct label *dlabel); 383 int (*mpo_check_vnode_create)(struct ucred *cred, 384 struct vnode *dvp, struct label *dlabel, 385 struct componentname *cnp, struct vattr *vap); 386 int (*mpo_check_vnode_delete)(struct ucred *cred, 387 struct vnode *dvp, struct label *dlabel, 388 struct vnode *vp, struct label *label, 389 struct componentname *cnp); 390 int (*mpo_check_vnode_deleteacl)(struct ucred *cred, 391 struct vnode *vp, struct label *label, acl_type_t type); 392 int (*mpo_check_vnode_deleteextattr)(struct ucred *cred, 393 struct vnode *vp, struct label *label, int attrnamespace, 394 const char *name); 395 int (*mpo_check_vnode_exec)(struct ucred *cred, struct vnode *vp, 396 struct label *label, struct image_params *imgp, 397 struct label *execlabel); 398 int (*mpo_check_vnode_getacl)(struct ucred *cred, 399 struct vnode *vp, struct label *label, acl_type_t type); 400 int (*mpo_check_vnode_getextattr)(struct ucred *cred, 401 struct vnode *vp, struct label *label, int attrnamespace, 402 const char *name, struct uio *uio); 403 int (*mpo_check_vnode_link)(struct ucred *cred, struct vnode *dvp, 404 struct label *dlabel, struct vnode *vp, 405 struct label *label, struct componentname *cnp); 406 int (*mpo_check_vnode_listextattr)(struct ucred *cred, 407 struct vnode *vp, struct label *label, int attrnamespace); 408 int (*mpo_check_vnode_lookup)(struct ucred *cred, 409 struct vnode *dvp, struct label *dlabel, 410 struct componentname *cnp); 411 int (*mpo_check_vnode_mmap)(struct ucred *cred, struct vnode *vp, 412 struct label *label, int prot); 413 void (*mpo_check_vnode_mmap_downgrade)(struct ucred *cred, 414 struct vnode *vp, struct label *label, int *prot); 415 int (*mpo_check_vnode_mprotect)(struct ucred *cred, 416 struct vnode *vp, struct label *label, int prot); 417 int (*mpo_check_vnode_open)(struct ucred *cred, struct vnode *vp, 418 struct label *label, int acc_mode); 419 int (*mpo_check_vnode_poll)(struct ucred *active_cred, 420 struct ucred *file_cred, struct vnode *vp, 421 struct label *label); 422 int (*mpo_check_vnode_read)(struct ucred *active_cred, 423 struct ucred *file_cred, struct vnode *vp, 424 struct label *label); 425 int (*mpo_check_vnode_readdir)(struct ucred *cred, 426 struct vnode *dvp, struct label *dlabel); 427 int (*mpo_check_vnode_readlink)(struct ucred *cred, 428 struct vnode *vp, struct label *label); 429 int (*mpo_check_vnode_relabel)(struct ucred *cred, 430 struct vnode *vp, struct label *vnodelabel, 431 struct label *newlabel); 432 int (*mpo_check_vnode_rename_from)(struct ucred *cred, 433 struct vnode *dvp, struct label *dlabel, struct vnode *vp, 434 struct label *label, struct componentname *cnp); 435 int (*mpo_check_vnode_rename_to)(struct ucred *cred, 436 struct vnode *dvp, struct label *dlabel, struct vnode *vp, 437 struct label *label, int samedir, 438 struct componentname *cnp); 439 int (*mpo_check_vnode_revoke)(struct ucred *cred, 440 struct vnode *vp, struct label *label); 441 int (*mpo_check_vnode_setacl)(struct ucred *cred, 442 struct vnode *vp, struct label *label, acl_type_t type, 443 struct acl *acl); 444 int (*mpo_check_vnode_setextattr)(struct ucred *cred, 445 struct vnode *vp, struct label *label, int attrnamespace, 446 const char *name, struct uio *uio); 447 int (*mpo_check_vnode_setflags)(struct ucred *cred, 448 struct vnode *vp, struct label *label, u_long flags); 449 int (*mpo_check_vnode_setmode)(struct ucred *cred, 450 struct vnode *vp, struct label *label, mode_t mode); 451 int (*mpo_check_vnode_setowner)(struct ucred *cred, 452 struct vnode *vp, struct label *label, uid_t uid, 453 gid_t gid); 454 int (*mpo_check_vnode_setutimes)(struct ucred *cred, 455 struct vnode *vp, struct label *label, 456 struct timespec atime, struct timespec mtime); 457 int (*mpo_check_vnode_stat)(struct ucred *active_cred, 458 struct ucred *file_cred, struct vnode *vp, 459 struct label *label); 460 int (*mpo_check_vnode_write)(struct ucred *active_cred, 461 struct ucred *file_cred, struct vnode *vp, 462 struct label *label); 463 }; 464 465 struct mac_policy_conf { 466 char *mpc_name; /* policy name */ 467 char *mpc_fullname; /* policy full name */ 468 struct mac_policy_ops *mpc_ops; /* policy operations */ 469 int mpc_loadtime_flags; /* flags */ 470 int *mpc_field_off; /* security field */ 471 int mpc_runtime_flags; /* flags */ 472 LIST_ENTRY(mac_policy_conf) mpc_list; /* global list */ 473 }; 474 475 /* Flags for the mpc_loadtime_flags field. */ 476 #define MPC_LOADTIME_FLAG_NOTLATE 0x00000001 477 #define MPC_LOADTIME_FLAG_UNLOADOK 0x00000002 478 #define MPC_LOADTIME_FLAG_LABELMBUFS 0x00000004 479 480 /* Flags for the mpc_runtime_flags field. */ 481 #define MPC_RUNTIME_FLAG_REGISTERED 0x00000001 482 483 #define MAC_POLICY_SET(mpops, mpname, mpfullname, mpflags, privdata_wanted) \ 484 static struct mac_policy_conf mpname##_mac_policy_conf = { \ 485 #mpname, \ 486 mpfullname, \ 487 mpops, \ 488 mpflags, \ 489 privdata_wanted, \ 490 0, \ 491 }; \ 492 static moduledata_t mpname##_mod = { \ 493 #mpname, \ 494 mac_policy_modevent, \ 495 &mpname##_mac_policy_conf \ 496 }; \ 497 MODULE_DEPEND(mpname, kernel_mac_support, 1, 1, 1); \ 498 DECLARE_MODULE(mpname, mpname##_mod, SI_SUB_MAC_POLICY, \ 499 SI_ORDER_MIDDLE) 500 501 int mac_policy_modevent(module_t mod, int type, void *data); 502 503 #define LABEL_TO_SLOT(l, s) (l)->l_perpolicy[s] 504 505 #endif /* !_SYS_MAC_POLICY_H_ */ 506