1 /*- 2 * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson 3 * Copyright (c) 2001, 2002 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 NAI Labs, 9 * the Security Research Division of Network Associates, Inc. under 10 * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA 11 * 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 * 3. The names of the authors may not be used to endorse or promote 22 * products derived from this software without specific prior written 23 * permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * $FreeBSD$ 38 */ 39 40 /* 41 * Developed by the TrustedBSD Project. 42 * Generic mandatory access module that does nothing. 43 */ 44 45 #include <sys/types.h> 46 #include <sys/param.h> 47 #include <sys/acl.h> 48 #include <sys/conf.h> 49 #include <sys/extattr.h> 50 #include <sys/kernel.h> 51 #include <sys/mac.h> 52 #include <sys/mount.h> 53 #include <sys/proc.h> 54 #include <sys/systm.h> 55 #include <sys/sysproto.h> 56 #include <sys/sysent.h> 57 #include <sys/vnode.h> 58 #include <sys/file.h> 59 #include <sys/socket.h> 60 #include <sys/socketvar.h> 61 #include <sys/pipe.h> 62 #include <sys/sysctl.h> 63 64 #include <fs/devfs/devfs.h> 65 66 #include <net/bpfdesc.h> 67 #include <net/if.h> 68 #include <net/if_types.h> 69 #include <net/if_var.h> 70 71 #include <netinet/in.h> 72 #include <netinet/ip_var.h> 73 74 #include <vm/vm.h> 75 76 #include <sys/mac_policy.h> 77 78 SYSCTL_DECL(_security_mac); 79 80 SYSCTL_NODE(_security_mac, OID_AUTO, none, CTLFLAG_RW, 0, 81 "TrustedBSD mac_none policy controls"); 82 83 static int mac_none_enabled = 0; 84 SYSCTL_INT(_security_mac_none, OID_AUTO, enabled, CTLFLAG_RW, 85 &mac_none_enabled, 0, "Enforce none policy"); 86 87 /* 88 * Policy module operations. 89 */ 90 static void 91 mac_none_destroy(struct mac_policy_conf *conf) 92 { 93 94 } 95 96 static void 97 mac_none_init(struct mac_policy_conf *conf) 98 { 99 100 } 101 102 static int 103 mac_none_syscall(struct thread *td, int call, void *arg) 104 { 105 106 return (0); 107 } 108 109 /* 110 * Label operations. 111 */ 112 static void 113 mac_none_init_label(struct label *label) 114 { 115 116 } 117 118 static int 119 mac_none_init_label_waitcheck(struct label *label, int flag) 120 { 121 122 return (0); 123 } 124 125 static void 126 mac_none_destroy_label(struct label *label) 127 { 128 129 } 130 131 static int 132 mac_none_externalize_label(struct label *label, char *element_name, 133 char *element_data, size_t size, size_t *len, int *claimed) 134 { 135 136 return (0); 137 } 138 139 static int 140 mac_none_internalize_label(struct label *label, char *element_name, 141 char *element_data, int *claimed) 142 { 143 144 return (0); 145 } 146 147 /* 148 * Labeling event operations: file system objects, and things that look 149 * a lot like file system objects. 150 */ 151 static void 152 mac_none_associate_vnode_devfs(struct mount *mp, struct label *fslabel, 153 struct devfs_dirent *de, struct label *delabel, struct vnode *vp, 154 struct label *vlabel) 155 { 156 157 } 158 159 static int 160 mac_none_associate_vnode_extattr(struct mount *mp, struct label *fslabel, 161 struct vnode *vp, struct label *vlabel) 162 { 163 164 return (0); 165 } 166 167 static void 168 mac_none_associate_vnode_singlelabel(struct mount *mp, 169 struct label *fslabel, struct vnode *vp, struct label *vlabel) 170 { 171 172 } 173 174 static void 175 mac_none_create_devfs_device(dev_t dev, struct devfs_dirent *devfs_dirent, 176 struct label *label) 177 { 178 179 } 180 181 static void 182 mac_none_create_devfs_directory(char *dirname, int dirnamelen, 183 struct devfs_dirent *devfs_dirent, struct label *label) 184 { 185 186 } 187 188 static void 189 mac_none_create_devfs_symlink(struct ucred *cred, struct devfs_dirent *dd, 190 struct label *ddlabel, struct devfs_dirent *de, struct label *delabel) 191 { 192 193 } 194 195 static void 196 mac_none_create_devfs_vnode(struct devfs_dirent *devfs_dirent, 197 struct label *direntlabel, struct vnode *vp, struct label *vnodelabel) 198 { 199 200 } 201 202 static int 203 mac_none_create_vnode_extattr(struct ucred *cred, struct mount *mp, 204 struct label *fslabel, struct vnode *dvp, struct label *dlabel, 205 struct vnode *vp, struct label *vlabel, struct componentname *cnp) 206 { 207 208 return (0); 209 } 210 211 static void 212 mac_none_create_mount(struct ucred *cred, struct mount *mp, 213 struct label *mntlabel, struct label *fslabel) 214 { 215 216 } 217 218 static void 219 mac_none_create_root_mount(struct ucred *cred, struct mount *mp, 220 struct label *mntlabel, struct label *fslabel) 221 { 222 223 } 224 225 static void 226 mac_none_relabel_vnode(struct ucred *cred, struct vnode *vp, 227 struct label *vnodelabel, struct label *label) 228 { 229 230 } 231 232 static int 233 mac_none_setlabel_vnode_extattr(struct ucred *cred, struct vnode *vp, 234 struct label *vlabel, struct label *intlabel) 235 { 236 237 return (0); 238 } 239 240 static void 241 mac_none_update_devfsdirent(struct devfs_dirent *devfs_dirent, 242 struct label *direntlabel, struct vnode *vp, struct label *vnodelabel) 243 { 244 245 } 246 247 /* 248 * Labeling event operations: IPC object. 249 */ 250 static void 251 mac_none_create_mbuf_from_socket(struct socket *so, struct label *socketlabel, 252 struct mbuf *m, struct label *mbuflabel) 253 { 254 255 } 256 257 static void 258 mac_none_create_socket(struct ucred *cred, struct socket *socket, 259 struct label *socketlabel) 260 { 261 262 } 263 264 static void 265 mac_none_create_pipe(struct ucred *cred, struct pipe *pipe, 266 struct label *pipelabel) 267 { 268 269 } 270 271 static void 272 mac_none_create_socket_from_socket(struct socket *oldsocket, 273 struct label *oldsocketlabel, struct socket *newsocket, 274 struct label *newsocketlabel) 275 { 276 277 } 278 279 static void 280 mac_none_relabel_socket(struct ucred *cred, struct socket *socket, 281 struct label *socketlabel, struct label *newlabel) 282 { 283 284 } 285 286 static void 287 mac_none_relabel_pipe(struct ucred *cred, struct pipe *pipe, 288 struct label *pipelabel, struct label *newlabel) 289 { 290 291 } 292 293 static void 294 mac_none_set_socket_peer_from_mbuf(struct mbuf *mbuf, struct label *mbuflabel, 295 struct socket *socket, struct label *socketpeerlabel) 296 { 297 298 } 299 300 static void 301 mac_none_set_socket_peer_from_socket(struct socket *oldsocket, 302 struct label *oldsocketlabel, struct socket *newsocket, 303 struct label *newsocketpeerlabel) 304 { 305 306 } 307 308 /* 309 * Labeling event operations: network objects. 310 */ 311 static void 312 mac_none_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d, 313 struct label *bpflabel) 314 { 315 316 } 317 318 static void 319 mac_none_create_datagram_from_ipq(struct ipq *ipq, struct label *ipqlabel, 320 struct mbuf *datagram, struct label *datagramlabel) 321 { 322 323 } 324 325 static void 326 mac_none_create_fragment(struct mbuf *datagram, struct label *datagramlabel, 327 struct mbuf *fragment, struct label *fragmentlabel) 328 { 329 330 } 331 332 static void 333 mac_none_create_ifnet(struct ifnet *ifnet, struct label *ifnetlabel) 334 { 335 336 } 337 338 static void 339 mac_none_create_ipq(struct mbuf *fragment, struct label *fragmentlabel, 340 struct ipq *ipq, struct label *ipqlabel) 341 { 342 343 } 344 345 static void 346 mac_none_create_mbuf_from_mbuf(struct mbuf *oldmbuf, 347 struct label *oldmbuflabel, struct mbuf *newmbuf, 348 struct label *newmbuflabel) 349 { 350 351 } 352 353 static void 354 mac_none_create_mbuf_linklayer(struct ifnet *ifnet, struct label *ifnetlabel, 355 struct mbuf *mbuf, struct label *mbuflabel) 356 { 357 358 } 359 360 static void 361 mac_none_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct label *bpflabel, 362 struct mbuf *mbuf, struct label *mbuflabel) 363 { 364 365 } 366 367 static void 368 mac_none_create_mbuf_from_ifnet(struct ifnet *ifnet, struct label *ifnetlabel, 369 struct mbuf *m, struct label *mbuflabel) 370 { 371 372 } 373 374 static void 375 mac_none_create_mbuf_multicast_encap(struct mbuf *oldmbuf, 376 struct label *oldmbuflabel, struct ifnet *ifnet, struct label *ifnetlabel, 377 struct mbuf *newmbuf, struct label *newmbuflabel) 378 { 379 380 } 381 382 static void 383 mac_none_create_mbuf_netlayer(struct mbuf *oldmbuf, 384 struct label *oldmbuflabel, struct mbuf *newmbuf, struct label *newmbuflabel) 385 { 386 387 } 388 389 static int 390 mac_none_fragment_match(struct mbuf *fragment, struct label *fragmentlabel, 391 struct ipq *ipq, struct label *ipqlabel) 392 { 393 394 return (1); 395 } 396 397 static void 398 mac_none_relabel_ifnet(struct ucred *cred, struct ifnet *ifnet, 399 struct label *ifnetlabel, struct label *newlabel) 400 { 401 402 } 403 404 static void 405 mac_none_update_ipq(struct mbuf *fragment, struct label *fragmentlabel, 406 struct ipq *ipq, struct label *ipqlabel) 407 { 408 409 } 410 411 /* 412 * Labeling event operations: processes. 413 */ 414 static void 415 mac_none_create_cred(struct ucred *cred_parent, struct ucred *cred_child) 416 { 417 418 } 419 420 static void 421 mac_none_execve_transition(struct ucred *old, struct ucred *new, 422 struct vnode *vp, struct label *vnodelabel) 423 { 424 425 } 426 427 static int 428 mac_none_execve_will_transition(struct ucred *old, struct vnode *vp, 429 struct label *vnodelabel) 430 { 431 432 return (0); 433 } 434 435 static void 436 mac_none_create_proc0(struct ucred *cred) 437 { 438 439 } 440 441 static void 442 mac_none_create_proc1(struct ucred *cred) 443 { 444 445 } 446 447 static void 448 mac_none_relabel_cred(struct ucred *cred, struct label *newlabel) 449 { 450 451 } 452 453 /* 454 * Access control checks. 455 */ 456 static int 457 mac_none_check_bpfdesc_receive(struct bpf_d *bpf_d, struct label *bpflabel, 458 struct ifnet *ifnet, struct label *ifnet_label) 459 { 460 461 return (0); 462 } 463 464 static int 465 mac_none_check_cred_relabel(struct ucred *cred, struct label *newlabel) 466 { 467 468 return (0); 469 } 470 471 static int 472 mac_none_check_cred_visible(struct ucred *u1, struct ucred *u2) 473 { 474 475 return (0); 476 } 477 478 static int 479 mac_none_check_ifnet_relabel(struct ucred *cred, struct ifnet *ifnet, 480 struct label *ifnetlabel, struct label *newlabel) 481 { 482 483 return (0); 484 } 485 486 static int 487 mac_none_check_ifnet_transmit(struct ifnet *ifnet, struct label *ifnetlabel, 488 struct mbuf *m, struct label *mbuflabel) 489 { 490 491 return (0); 492 } 493 494 static int 495 mac_none_check_mount_stat(struct ucred *cred, struct mount *mp, 496 struct label *mntlabel) 497 { 498 499 return (0); 500 } 501 502 static int 503 mac_none_check_pipe_ioctl(struct ucred *cred, struct pipe *pipe, 504 struct label *pipelabel, unsigned long cmd, void /* caddr_t */ *data) 505 { 506 507 return (0); 508 } 509 510 static int 511 mac_none_check_pipe_poll(struct ucred *cred, struct pipe *pipe, 512 struct label *pipelabel) 513 { 514 515 return (0); 516 } 517 518 static int 519 mac_none_check_pipe_read(struct ucred *cred, struct pipe *pipe, 520 struct label *pipelabel) 521 { 522 523 return (0); 524 } 525 526 static int 527 mac_none_check_pipe_relabel(struct ucred *cred, struct pipe *pipe, 528 struct label *pipelabel, struct label *newlabel) 529 { 530 531 return (0); 532 } 533 534 static int 535 mac_none_check_pipe_stat(struct ucred *cred, struct pipe *pipe, 536 struct label *pipelabel) 537 { 538 539 return (0); 540 } 541 542 static int 543 mac_none_check_pipe_write(struct ucred *cred, struct pipe *pipe, 544 struct label *pipelabel) 545 { 546 547 return (0); 548 } 549 550 static int 551 mac_none_check_proc_debug(struct ucred *cred, struct proc *proc) 552 { 553 554 return (0); 555 } 556 557 static int 558 mac_none_check_proc_sched(struct ucred *cred, struct proc *proc) 559 { 560 561 return (0); 562 } 563 564 static int 565 mac_none_check_proc_signal(struct ucred *cred, struct proc *proc, int signum) 566 { 567 568 return (0); 569 } 570 571 static int 572 mac_none_check_socket_bind(struct ucred *cred, struct socket *socket, 573 struct label *socketlabel, struct sockaddr *sockaddr) 574 { 575 576 return (0); 577 } 578 579 static int 580 mac_none_check_socket_connect(struct ucred *cred, struct socket *socket, 581 struct label *socketlabel, struct sockaddr *sockaddr) 582 { 583 584 return (0); 585 } 586 587 static int 588 mac_none_check_socket_deliver(struct socket *so, struct label *socketlabel, 589 struct mbuf *m, struct label *mbuflabel) 590 { 591 592 return (0); 593 } 594 595 static int 596 mac_none_check_socket_listen(struct ucred *cred, struct socket *so, 597 struct label *socketlabel) 598 { 599 600 return (0); 601 } 602 603 static int 604 mac_none_check_socket_relabel(struct ucred *cred, struct socket *socket, 605 struct label *socketlabel, struct label *newlabel) 606 { 607 608 return (0); 609 } 610 611 static int 612 mac_none_check_socket_visible(struct ucred *cred, struct socket *socket, 613 struct label *socketlabel) 614 { 615 616 return (0); 617 } 618 619 static int 620 mac_none_check_system_reboot(struct ucred *cred, int how) 621 { 622 623 return (0); 624 } 625 626 static int 627 mac_none_check_system_swapon(struct ucred *cred, struct vnode *vp, 628 struct label *label) 629 { 630 631 return (0); 632 } 633 634 static int 635 mac_none_check_system_sysctl(struct ucred *cred, int *name, u_int namelen, 636 void *old, size_t *oldlenp, int inkernel, void *new, size_t newlen) 637 { 638 639 return (0); 640 } 641 642 static int 643 mac_none_check_vnode_access(struct ucred *cred, struct vnode *vp, 644 struct label *label, int acc_mode) 645 { 646 647 return (0); 648 } 649 650 static int 651 mac_none_check_vnode_chdir(struct ucred *cred, struct vnode *dvp, 652 struct label *dlabel) 653 { 654 655 return (0); 656 } 657 658 static int 659 mac_none_check_vnode_chroot(struct ucred *cred, struct vnode *dvp, 660 struct label *dlabel) 661 { 662 663 return (0); 664 } 665 666 static int 667 mac_none_check_vnode_create(struct ucred *cred, struct vnode *dvp, 668 struct label *dlabel, struct componentname *cnp, struct vattr *vap) 669 { 670 671 return (0); 672 } 673 674 static int 675 mac_none_check_vnode_delete(struct ucred *cred, struct vnode *dvp, 676 struct label *dlabel, struct vnode *vp, struct label *label, 677 struct componentname *cnp) 678 { 679 680 return (0); 681 } 682 683 static int 684 mac_none_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp, 685 struct label *label, acl_type_t type) 686 { 687 688 return (0); 689 } 690 691 static int 692 mac_none_check_vnode_exec(struct ucred *cred, struct vnode *vp, 693 struct label *label) 694 { 695 696 return (0); 697 } 698 699 static int 700 mac_none_check_vnode_getacl(struct ucred *cred, struct vnode *vp, 701 struct label *label, acl_type_t type) 702 { 703 704 return (0); 705 } 706 707 static int 708 mac_none_check_vnode_getextattr(struct ucred *cred, struct vnode *vp, 709 struct label *label, int attrnamespace, const char *name, struct uio *uio) 710 { 711 712 return (0); 713 } 714 715 static int 716 mac_none_check_vnode_link(struct ucred *cred, struct vnode *dvp, 717 struct label *dlabel, struct vnode *vp, struct label *label, 718 struct componentname *cnp) 719 { 720 721 return (0); 722 } 723 724 static int 725 mac_none_check_vnode_lookup(struct ucred *cred, struct vnode *dvp, 726 struct label *dlabel, struct componentname *cnp) 727 { 728 729 return (0); 730 } 731 732 static int 733 mac_none_check_vnode_mmap(struct ucred *cred, struct vnode *vp, 734 struct label *label, int prot) 735 { 736 737 return (0); 738 } 739 740 static int 741 mac_none_check_vnode_mprotect(struct ucred *cred, struct vnode *vp, 742 struct label *label, int prot) 743 { 744 745 return (0); 746 } 747 748 static int 749 mac_none_check_vnode_open(struct ucred *cred, struct vnode *vp, 750 struct label *filelabel, int acc_mode) 751 { 752 753 return (0); 754 } 755 756 static int 757 mac_none_check_vnode_poll(struct ucred *active_cred, struct ucred *file_cred, 758 struct vnode *vp, struct label *label) 759 { 760 761 return (0); 762 } 763 764 static int 765 mac_none_check_vnode_read(struct ucred *active_cred, struct ucred *file_cred, 766 struct vnode *vp, struct label *label) 767 { 768 769 return (0); 770 } 771 772 static int 773 mac_none_check_vnode_readdir(struct ucred *cred, struct vnode *vp, 774 struct label *dlabel) 775 { 776 777 return (0); 778 } 779 780 static int 781 mac_none_check_vnode_readlink(struct ucred *cred, struct vnode *vp, 782 struct label *vnodelabel) 783 { 784 785 return (0); 786 } 787 788 static int 789 mac_none_check_vnode_relabel(struct ucred *cred, struct vnode *vp, 790 struct label *vnodelabel, struct label *newlabel) 791 { 792 793 return (0); 794 } 795 796 static int 797 mac_none_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp, 798 struct label *dlabel, struct vnode *vp, struct label *label, 799 struct componentname *cnp) 800 { 801 802 return (0); 803 } 804 805 static int 806 mac_none_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp, 807 struct label *dlabel, struct vnode *vp, struct label *label, int samedir, 808 struct componentname *cnp) 809 { 810 811 return (0); 812 } 813 814 static int 815 mac_none_check_vnode_revoke(struct ucred *cred, struct vnode *vp, 816 struct label *label) 817 { 818 819 return (0); 820 } 821 822 static int 823 mac_none_check_vnode_setacl(struct ucred *cred, struct vnode *vp, 824 struct label *label, acl_type_t type, struct acl *acl) 825 { 826 827 return (0); 828 } 829 830 static int 831 mac_none_check_vnode_setextattr(struct ucred *cred, struct vnode *vp, 832 struct label *label, int attrnamespace, const char *name, struct uio *uio) 833 { 834 835 return (0); 836 } 837 838 static int 839 mac_none_check_vnode_setflags(struct ucred *cred, struct vnode *vp, 840 struct label *label, u_long flags) 841 { 842 843 return (0); 844 } 845 846 static int 847 mac_none_check_vnode_setmode(struct ucred *cred, struct vnode *vp, 848 struct label *label, mode_t mode) 849 { 850 851 return (0); 852 } 853 854 static int 855 mac_none_check_vnode_setowner(struct ucred *cred, struct vnode *vp, 856 struct label *label, uid_t uid, gid_t gid) 857 { 858 859 return (0); 860 } 861 862 static int 863 mac_none_check_vnode_setutimes(struct ucred *cred, struct vnode *vp, 864 struct label *label, struct timespec atime, struct timespec mtime) 865 { 866 867 return (0); 868 } 869 870 static int 871 mac_none_check_vnode_stat(struct ucred *active_cred, struct ucred *file_cred, 872 struct vnode *vp, struct label *label) 873 { 874 875 return (0); 876 } 877 878 static int 879 mac_none_check_vnode_write(struct ucred *active_cred, 880 struct ucred *file_cred, struct vnode *vp, struct label *label) 881 { 882 883 return (0); 884 } 885 886 static struct mac_policy_ops mac_none_ops = 887 { 888 .mpo_destroy = mac_none_destroy, 889 .mpo_init = mac_none_init, 890 .mpo_syscall = mac_none_syscall, 891 .mpo_init_bpfdesc_label = mac_none_init_label, 892 .mpo_init_cred_label = mac_none_init_label, 893 .mpo_init_devfsdirent_label = mac_none_init_label, 894 .mpo_init_ifnet_label = mac_none_init_label, 895 .mpo_init_ipq_label = mac_none_init_label, 896 .mpo_init_mbuf_label = mac_none_init_label_waitcheck, 897 .mpo_init_mount_label = mac_none_init_label, 898 .mpo_init_mount_fs_label = mac_none_init_label, 899 .mpo_init_pipe_label = mac_none_init_label, 900 .mpo_init_socket_label = mac_none_init_label_waitcheck, 901 .mpo_init_socket_peer_label = mac_none_init_label_waitcheck, 902 .mpo_init_vnode_label = mac_none_init_label, 903 .mpo_destroy_bpfdesc_label = mac_none_destroy_label, 904 .mpo_destroy_cred_label = mac_none_destroy_label, 905 .mpo_destroy_devfsdirent_label = mac_none_destroy_label, 906 .mpo_destroy_ifnet_label = mac_none_destroy_label, 907 .mpo_destroy_ipq_label = mac_none_destroy_label, 908 .mpo_destroy_mbuf_label = mac_none_destroy_label, 909 .mpo_destroy_mount_label = mac_none_destroy_label, 910 .mpo_destroy_mount_fs_label = mac_none_destroy_label, 911 .mpo_destroy_pipe_label = mac_none_destroy_label, 912 .mpo_destroy_socket_label = mac_none_destroy_label, 913 .mpo_destroy_socket_peer_label = mac_none_destroy_label, 914 .mpo_destroy_vnode_label = mac_none_destroy_label, 915 .mpo_externalize_cred_label = mac_none_externalize_label, 916 .mpo_externalize_ifnet_label = mac_none_externalize_label, 917 .mpo_externalize_pipe_label = mac_none_externalize_label, 918 .mpo_externalize_socket_label = mac_none_externalize_label, 919 .mpo_externalize_socket_peer_label = mac_none_externalize_label, 920 .mpo_externalize_vnode_label = mac_none_externalize_label, 921 .mpo_internalize_cred_label = mac_none_internalize_label, 922 .mpo_internalize_ifnet_label = mac_none_internalize_label, 923 .mpo_internalize_pipe_label = mac_none_internalize_label, 924 .mpo_internalize_socket_label = mac_none_internalize_label, 925 .mpo_internalize_vnode_label = mac_none_internalize_label, 926 .mpo_associate_vnode_devfs = mac_none_associate_vnode_devfs, 927 .mpo_associate_vnode_extattr = mac_none_associate_vnode_extattr, 928 .mpo_associate_vnode_singlelabel = mac_none_associate_vnode_singlelabel, 929 .mpo_create_devfs_device = mac_none_create_devfs_device, 930 .mpo_create_devfs_directory = mac_none_create_devfs_directory, 931 .mpo_create_devfs_symlink = mac_none_create_devfs_symlink, 932 .mpo_create_devfs_vnode = mac_none_create_devfs_vnode, 933 .mpo_create_vnode_extattr = mac_none_create_vnode_extattr, 934 .mpo_create_mount = mac_none_create_mount, 935 .mpo_create_root_mount = mac_none_create_root_mount, 936 .mpo_relabel_vnode = mac_none_relabel_vnode, 937 .mpo_setlabel_vnode_extattr = mac_none_setlabel_vnode_extattr, 938 .mpo_update_devfsdirent = mac_none_update_devfsdirent, 939 .mpo_create_mbuf_from_socket = mac_none_create_mbuf_from_socket, 940 .mpo_create_pipe = mac_none_create_pipe, 941 .mpo_create_socket = mac_none_create_socket, 942 .mpo_create_socket_from_socket = mac_none_create_socket_from_socket, 943 .mpo_relabel_pipe = mac_none_relabel_pipe, 944 .mpo_relabel_socket = mac_none_relabel_socket, 945 .mpo_set_socket_peer_from_mbuf = mac_none_set_socket_peer_from_mbuf, 946 .mpo_set_socket_peer_from_socket = mac_none_set_socket_peer_from_socket, 947 .mpo_create_bpfdesc = mac_none_create_bpfdesc, 948 .mpo_create_ifnet = mac_none_create_ifnet, 949 .mpo_create_ipq = mac_none_create_ipq, 950 .mpo_create_datagram_from_ipq = mac_none_create_datagram_from_ipq, 951 .mpo_create_fragment = mac_none_create_fragment, 952 .mpo_create_ipq = mac_none_create_ipq, 953 .mpo_create_mbuf_from_mbuf = mac_none_create_mbuf_from_mbuf, 954 .mpo_create_mbuf_linklayer = mac_none_create_mbuf_linklayer, 955 .mpo_create_mbuf_from_bpfdesc = mac_none_create_mbuf_from_bpfdesc, 956 .mpo_create_mbuf_from_ifnet = mac_none_create_mbuf_from_ifnet, 957 .mpo_create_mbuf_multicast_encap = mac_none_create_mbuf_multicast_encap, 958 .mpo_create_mbuf_netlayer = mac_none_create_mbuf_netlayer, 959 .mpo_fragment_match = mac_none_fragment_match, 960 .mpo_relabel_ifnet = mac_none_relabel_ifnet, 961 .mpo_update_ipq = mac_none_update_ipq, 962 .mpo_create_cred = mac_none_create_cred, 963 .mpo_execve_transition = mac_none_execve_transition, 964 .mpo_execve_will_transition = mac_none_execve_will_transition, 965 .mpo_create_proc0 = mac_none_create_proc0, 966 .mpo_create_proc1 = mac_none_create_proc1, 967 .mpo_relabel_cred = mac_none_relabel_cred, 968 .mpo_check_bpfdesc_receive = mac_none_check_bpfdesc_receive, 969 .mpo_check_cred_relabel = mac_none_check_cred_relabel, 970 .mpo_check_cred_visible = mac_none_check_cred_visible, 971 .mpo_check_ifnet_relabel = mac_none_check_ifnet_relabel, 972 .mpo_check_ifnet_transmit = mac_none_check_ifnet_transmit, 973 .mpo_check_mount_stat = mac_none_check_mount_stat, 974 .mpo_check_pipe_ioctl = mac_none_check_pipe_ioctl, 975 .mpo_check_pipe_poll = mac_none_check_pipe_poll, 976 .mpo_check_pipe_read = mac_none_check_pipe_read, 977 .mpo_check_pipe_relabel = mac_none_check_pipe_relabel, 978 .mpo_check_pipe_stat = mac_none_check_pipe_stat, 979 .mpo_check_pipe_write = mac_none_check_pipe_write, 980 .mpo_check_proc_debug = mac_none_check_proc_debug, 981 .mpo_check_proc_sched = mac_none_check_proc_sched, 982 .mpo_check_proc_signal = mac_none_check_proc_signal, 983 .mpo_check_socket_bind = mac_none_check_socket_bind, 984 .mpo_check_socket_connect = mac_none_check_socket_connect, 985 .mpo_check_socket_deliver = mac_none_check_socket_deliver, 986 .mpo_check_socket_listen = mac_none_check_socket_listen, 987 .mpo_check_socket_relabel = mac_none_check_socket_relabel, 988 .mpo_check_socket_visible = mac_none_check_socket_visible, 989 .mpo_check_system_reboot = mac_none_check_system_reboot, 990 .mpo_check_system_swapon = mac_none_check_system_swapon, 991 .mpo_check_system_sysctl = mac_none_check_system_sysctl, 992 .mpo_check_vnode_access = mac_none_check_vnode_access, 993 .mpo_check_vnode_chdir = mac_none_check_vnode_chdir, 994 .mpo_check_vnode_chroot = mac_none_check_vnode_chroot, 995 .mpo_check_vnode_create = mac_none_check_vnode_create, 996 .mpo_check_vnode_delete = mac_none_check_vnode_delete, 997 .mpo_check_vnode_deleteacl = mac_none_check_vnode_deleteacl, 998 .mpo_check_vnode_exec = mac_none_check_vnode_exec, 999 .mpo_check_vnode_getacl = mac_none_check_vnode_getacl, 1000 .mpo_check_vnode_getextattr = mac_none_check_vnode_getextattr, 1001 .mpo_check_vnode_link = mac_none_check_vnode_link, 1002 .mpo_check_vnode_lookup = mac_none_check_vnode_lookup, 1003 .mpo_check_vnode_mmap = mac_none_check_vnode_mmap, 1004 .mpo_check_vnode_mprotect = mac_none_check_vnode_mprotect, 1005 .mpo_check_vnode_open = mac_none_check_vnode_open, 1006 .mpo_check_vnode_poll = mac_none_check_vnode_poll, 1007 .mpo_check_vnode_read = mac_none_check_vnode_read, 1008 .mpo_check_vnode_readdir = mac_none_check_vnode_readdir, 1009 .mpo_check_vnode_readlink = mac_none_check_vnode_readlink, 1010 .mpo_check_vnode_relabel = mac_none_check_vnode_relabel, 1011 .mpo_check_vnode_rename_from = mac_none_check_vnode_rename_from, 1012 .mpo_check_vnode_rename_to = mac_none_check_vnode_rename_to, 1013 .mpo_check_vnode_revoke = mac_none_check_vnode_revoke, 1014 .mpo_check_vnode_setacl = mac_none_check_vnode_setacl, 1015 .mpo_check_vnode_setextattr = mac_none_check_vnode_setextattr, 1016 .mpo_check_vnode_setflags = mac_none_check_vnode_setflags, 1017 .mpo_check_vnode_setmode = mac_none_check_vnode_setmode, 1018 .mpo_check_vnode_setowner = mac_none_check_vnode_setowner, 1019 .mpo_check_vnode_setutimes = mac_none_check_vnode_setutimes, 1020 .mpo_check_vnode_stat = mac_none_check_vnode_stat, 1021 .mpo_check_vnode_write = mac_none_check_vnode_write, 1022 }; 1023 1024 MAC_POLICY_SET(&mac_none_ops, trustedbsd_mac_none, "TrustedBSD MAC/None", 1025 MPC_LOADTIME_FLAG_UNLOADOK, NULL); 1026