mac_stub.c revision 101934
1240116Smarcel/*- 2240116Smarcel * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson 3240116Smarcel * Copyright (c) 2001, 2002 Networks Associates Technology, Inc. 4240116Smarcel * All rights reserved. 5240116Smarcel * 6240116Smarcel * This software was developed by Robert Watson for the TrustedBSD Project. 7240116Smarcel * 8240116Smarcel * This software was developed for the FreeBSD Project in part by NAI Labs, 9240116Smarcel * the Security Research Division of Network Associates, Inc. under 10240116Smarcel * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA 11240116Smarcel * CHATS research program. 12240116Smarcel * 13240116Smarcel * Redistribution and use in source and binary forms, with or without 14240116Smarcel * modification, are permitted provided that the following conditions 15240116Smarcel * are met: 16240116Smarcel * 1. Redistributions of source code must retain the above copyright 17240116Smarcel * notice, this list of conditions and the following disclaimer. 18240116Smarcel * 2. Redistributions in binary form must reproduce the above copyright 19240116Smarcel * notice, this list of conditions and the following disclaimer in the 20240116Smarcel * documentation and/or other materials provided with the distribution. 21240116Smarcel * 3. The names of the authors may not be used to endorse or promote 22240116Smarcel * products derived from this software without specific prior written 23240116Smarcel * permission. 24240116Smarcel * 25240116Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 26240116Smarcel * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27240116Smarcel * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28240116Smarcel * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 29240116Smarcel * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30240116Smarcel * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31240116Smarcel * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32240116Smarcel * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33240116Smarcel * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34240116Smarcel * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35240116Smarcel * SUCH DAMAGE. 36240116Smarcel * 37240116Smarcel * $FreeBSD: head/sys/security/mac_stub/mac_stub.c 101934 2002-08-15 18:51:27Z rwatson $ 38240116Smarcel */ 39240116Smarcel 40240116Smarcel/* 41240116Smarcel * Developed by the TrustedBSD Project. 42240116Smarcel * Generic mandatory access module that does nothing. 43240116Smarcel */ 44240116Smarcel 45240116Smarcel#include <sys/types.h> 46240116Smarcel#include <sys/param.h> 47240116Smarcel#include <sys/acl.h> 48240116Smarcel#include <sys/conf.h> 49240116Smarcel#include <sys/kernel.h> 50240116Smarcel#include <sys/mac.h> 51240116Smarcel#include <sys/mount.h> 52240116Smarcel#include <sys/proc.h> 53240116Smarcel#include <sys/systm.h> 54240116Smarcel#include <sys/sysproto.h> 55240116Smarcel#include <sys/sysent.h> 56240116Smarcel#include <sys/vnode.h> 57240116Smarcel#include <sys/file.h> 58240116Smarcel#include <sys/socket.h> 59240116Smarcel#include <sys/socketvar.h> 60240116Smarcel#include <sys/pipe.h> 61240116Smarcel#include <sys/sysctl.h> 62240116Smarcel 63240116Smarcel#include <fs/devfs/devfs.h> 64240116Smarcel 65240116Smarcel#include <net/bpfdesc.h> 66240116Smarcel#include <net/if.h> 67240116Smarcel#include <net/if_types.h> 68240116Smarcel#include <net/if_var.h> 69240116Smarcel 70240116Smarcel#include <netinet/in.h> 71240116Smarcel#include <netinet/ip_var.h> 72240116Smarcel 73240116Smarcel#include <vm/vm.h> 74240116Smarcel 75240116Smarcel#include <sys/mac_policy.h> 76240116Smarcel 77240116SmarcelSYSCTL_DECL(_security_mac); 78240116Smarcel 79240116SmarcelSYSCTL_NODE(_security_mac, OID_AUTO, none, CTLFLAG_RW, 0, 80240116Smarcel "TrustedBSD mac_none policy controls"); 81240116Smarcel 82240116Smarcelstatic int mac_none_enabled = 0; 83240116SmarcelSYSCTL_INT(_security_mac_none, OID_AUTO, enabled, CTLFLAG_RW, 84240116Smarcel &mac_none_enabled, 0, "Enforce none policy"); 85240116Smarcel 86240116Smarcel/* 87240116Smarcel * Policy module operations. 88240116Smarcel */ 89240116Smarcelstatic void 90240116Smarcelmac_none_destroy(struct mac_policy_conf *conf) 91240116Smarcel{ 92240116Smarcel 93240116Smarcel} 94240116Smarcel 95240116Smarcelstatic void 96240116Smarcelmac_none_init(struct mac_policy_conf *conf) 97240116Smarcel{ 98240116Smarcel 99240116Smarcel} 100240116Smarcel 101240116Smarcel/* 102240116Smarcel * Label operations. 103240116Smarcel */ 104240116Smarcelstatic void 105240116Smarcelmac_none_init_bpfdesc(struct bpf_d *bpf_d, struct label *label) 106240116Smarcel{ 107240116Smarcel 108240116Smarcel} 109240116Smarcel 110240116Smarcelstatic void 111240116Smarcelmac_none_init_cred(struct ucred *ucred, struct label *label) 112240116Smarcel{ 113240116Smarcel 114240116Smarcel} 115240116Smarcel 116240116Smarcelstatic void 117240116Smarcelmac_none_init_devfsdirent(struct devfs_dirent *devfs_dirent, 118240116Smarcel struct label *label) 119240116Smarcel{ 120240116Smarcel 121240116Smarcel} 122240116Smarcel 123240116Smarcelstatic void 124240116Smarcelmac_none_init_ifnet(struct ifnet *ifnet, struct label *label) 125240116Smarcel{ 126240116Smarcel 127240116Smarcel} 128240116Smarcel 129240116Smarcelstatic void 130240116Smarcelmac_none_init_ipq(struct ipq *ipq, struct label *ipqlabel) 131240116Smarcel{ 132240116Smarcel 133240116Smarcel} 134240116Smarcel 135240116Smarcelstatic int 136240116Smarcelmac_none_init_mbuf(struct mbuf *mbuf, int how, struct label *label) 137240116Smarcel{ 138240116Smarcel 139240116Smarcel return (0); 140240116Smarcel} 141240116Smarcel 142240116Smarcelstatic void 143240116Smarcelmac_none_init_mount(struct mount *mount, struct label *mntlabel, 144240116Smarcel struct label *fslabel) 145240116Smarcel{ 146240116Smarcel 147240116Smarcel} 148240116Smarcel 149240116Smarcelstatic void 150240116Smarcelmac_none_init_socket(struct socket *socket, struct label *label, 151240116Smarcel struct label *peerlabel) 152240116Smarcel{ 153240116Smarcel 154240116Smarcel} 155240116Smarcel 156240116Smarcelstatic void 157240116Smarcelmac_none_init_pipe(struct pipe *pipe, struct label *label) 158240116Smarcel{ 159240116Smarcel 160240116Smarcel} 161240116Smarcel 162240116Smarcelstatic void 163240116Smarcelmac_none_init_temp(struct label *label) 164240116Smarcel{ 165240116Smarcel 166240116Smarcel} 167240116Smarcel 168240116Smarcelstatic void 169240116Smarcelmac_none_init_vnode(struct vnode *vp, struct label *label) 170240116Smarcel{ 171240116Smarcel 172240116Smarcel} 173240116Smarcel 174240116Smarcelstatic void 175240116Smarcelmac_none_destroy_bpfdesc(struct bpf_d *bpf_d, struct label *label) 176240116Smarcel{ 177240116Smarcel 178240116Smarcel} 179240116Smarcel 180240116Smarcelstatic void 181240116Smarcelmac_none_destroy_cred(struct ucred *ucred, struct label *label) 182240116Smarcel{ 183240116Smarcel 184240116Smarcel} 185240116Smarcel 186240116Smarcelstatic void 187240116Smarcelmac_none_destroy_devfsdirent(struct devfs_dirent *devfs_dirent, 188240116Smarcel struct label *label) 189240116Smarcel{ 190240116Smarcel 191240116Smarcel} 192240116Smarcel 193240116Smarcelstatic void 194240116Smarcelmac_none_destroy_ifnet(struct ifnet *ifnet, struct label *label) 195240116Smarcel{ 196240116Smarcel 197240116Smarcel} 198240116Smarcel 199240116Smarcelstatic void 200240116Smarcelmac_none_destroy_ipq(struct ipq *ipq, struct label *label) 201240116Smarcel{ 202240116Smarcel 203240116Smarcel} 204240116Smarcel 205240116Smarcelstatic void 206240116Smarcelmac_none_destroy_mbuf(struct mbuf *mbuf, struct label *label) 207240116Smarcel{ 208240116Smarcel 209240116Smarcel} 210240116Smarcel 211240116Smarcelstatic void 212240116Smarcelmac_none_destroy_mount(struct mount *mount, struct label *mntlabel, 213240116Smarcel struct label *fslabel) 214240116Smarcel{ 215240116Smarcel 216240116Smarcel} 217240116Smarcel 218240116Smarcelstatic void 219240116Smarcelmac_none_destroy_socket(struct socket *socket, struct label *label, 220240116Smarcel struct label *peerlabel) 221240116Smarcel{ 222240116Smarcel 223240116Smarcel} 224240116Smarcel 225240116Smarcelstatic void 226240116Smarcelmac_none_destroy_pipe(struct pipe *pipe, struct label *label) 227240116Smarcel{ 228 229} 230 231static void 232mac_none_destroy_temp(struct label *label) 233{ 234 235} 236 237static void 238mac_none_destroy_vnode(struct vnode *vp, struct label *label) 239{ 240 241} 242 243static int 244mac_none_externalize(struct label *label, struct mac *extmac) 245{ 246 247 return (0); 248} 249 250static int 251mac_none_internalize(struct label *label, struct mac *extmac) 252{ 253 254 return (0); 255} 256 257/* 258 * Labeling event operations: file system objects, and things that look 259 * a lot like file system objects. 260 */ 261static void 262mac_none_create_devfs_device(dev_t dev, struct devfs_dirent *devfs_dirent, 263 struct label *label) 264{ 265 266} 267 268static void 269mac_none_create_devfs_directory(char *dirname, int dirnamelen, 270 struct devfs_dirent *devfs_dirent, struct label *label) 271{ 272 273} 274 275static void 276mac_none_create_devfs_vnode(struct devfs_dirent *devfs_dirent, 277 struct label *direntlabel, struct vnode *vp, struct label *vnodelabel) 278{ 279 280} 281 282static void 283mac_none_create_vnode(struct ucred *cred, struct vnode *parent, 284 struct label *parentlabel, struct vnode *child, 285 struct label *childlabel) 286{ 287 288} 289 290static void 291mac_none_create_mount(struct ucred *cred, struct mount *mp, 292 struct label *mntlabel, struct label *fslabel) 293{ 294 295} 296 297static void 298mac_none_create_root_mount(struct ucred *cred, struct mount *mp, 299 struct label *mntlabel, struct label *fslabel) 300{ 301 302} 303 304static void 305mac_none_relabel_vnode(struct ucred *cred, struct vnode *vp, 306 struct label *vnodelabel, struct label *label) 307{ 308 309} 310 311static void 312mac_none_update_devfsdirent(struct devfs_dirent *devfs_dirent, 313 struct label *direntlabel, struct vnode *vp, struct label *vnodelabel) 314{ 315 316} 317 318static void 319mac_none_update_procfsvnode(struct vnode *vp, struct label *vnodelabel, 320 struct ucred *cred) 321{ 322 323} 324 325static int 326mac_none_update_vnode_from_externalized(struct vnode *vp, 327 struct label *vnodelabel, struct mac *extmac) 328{ 329 330 return (0); 331} 332 333static void 334mac_none_update_vnode_from_mount(struct vnode *vp, struct label *vnodelabel, 335 struct mount *mp, struct label *fslabel) 336{ 337 338} 339 340/* 341 * Labeling event operations: IPC object. 342 */ 343static void 344mac_none_create_mbuf_from_socket(struct socket *so, struct label *socketlabel, 345 struct mbuf *m, struct label *mbuflabel) 346{ 347 348} 349 350static void 351mac_none_create_socket(struct ucred *cred, struct socket *socket, 352 struct label *socketlabel) 353{ 354 355} 356 357static void 358mac_none_create_pipe(struct ucred *cred, struct pipe *pipe, 359 struct label *pipelabel) 360{ 361 362} 363 364static void 365mac_none_create_socket_from_socket(struct socket *oldsocket, 366 struct label *oldsocketlabel, struct socket *newsocket, 367 struct label *newsocketlabel) 368{ 369 370} 371 372static void 373mac_none_relabel_socket(struct ucred *cred, struct socket *socket, 374 struct label *socketlabel, struct label *newlabel) 375{ 376 377} 378 379static void 380mac_none_relabel_pipe(struct ucred *cred, struct pipe *pipe, 381 struct label *pipelabel, struct label *newlabel) 382{ 383 384} 385 386static void 387mac_none_set_socket_peer_from_mbuf(struct mbuf *mbuf, struct label *mbuflabel, 388 struct socket *socket, struct label *socketpeerlabel) 389{ 390 391} 392 393static void 394mac_none_set_socket_peer_from_socket(struct socket *oldsocket, 395 struct label *oldsocketlabel, struct socket *newsocket, 396 struct label *newsocketpeerlabel) 397{ 398 399} 400 401/* 402 * Labeling event operations: network objects. 403 */ 404static void 405mac_none_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d, 406 struct label *bpflabel) 407{ 408 409} 410 411static void 412mac_none_create_datagram_from_ipq(struct ipq *ipq, struct label *ipqlabel, 413 struct mbuf *datagram, struct label *datagramlabel) 414{ 415 416} 417 418static void 419mac_none_create_fragment(struct mbuf *datagram, struct label *datagramlabel, 420 struct mbuf *fragment, struct label *fragmentlabel) 421{ 422 423} 424 425static void 426mac_none_create_ifnet(struct ifnet *ifnet, struct label *ifnetlabel) 427{ 428 429} 430 431static void 432mac_none_create_ipq(struct mbuf *fragment, struct label *fragmentlabel, 433 struct ipq *ipq, struct label *ipqlabel) 434{ 435 436} 437 438static void 439mac_none_create_mbuf_from_mbuf(struct mbuf *oldmbuf, 440 struct label *oldmbuflabel, struct mbuf *newmbuf, 441 struct label *newmbuflabel) 442{ 443 444} 445 446static void 447mac_none_create_mbuf_linklayer(struct ifnet *ifnet, struct label *ifnetlabel, 448 struct mbuf *mbuf, struct label *mbuflabel) 449{ 450 451} 452 453static void 454mac_none_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct label *bpflabel, 455 struct mbuf *mbuf, struct label *mbuflabel) 456{ 457 458} 459 460static void 461mac_none_create_mbuf_from_ifnet(struct ifnet *ifnet, struct label *ifnetlabel, 462 struct mbuf *m, struct label *mbuflabel) 463{ 464 465} 466 467static void 468mac_none_create_mbuf_multicast_encap(struct mbuf *oldmbuf, 469 struct label *oldmbuflabel, struct ifnet *ifnet, struct label *ifnetlabel, 470 struct mbuf *newmbuf, struct label *newmbuflabel) 471{ 472 473} 474 475static void 476mac_none_create_mbuf_netlayer(struct mbuf *oldmbuf, 477 struct label *oldmbuflabel, struct mbuf *newmbuf, struct label *newmbuflabel) 478{ 479 480} 481 482static int 483mac_none_fragment_match(struct mbuf *fragment, struct label *fragmentlabel, 484 struct ipq *ipq, struct label *ipqlabel) 485{ 486 487 return (1); 488} 489 490static void 491mac_none_relabel_ifnet(struct ucred *cred, struct ifnet *ifnet, 492 struct label *ifnetlabel, struct label *newlabel) 493{ 494 495} 496 497static void 498mac_none_update_ipq(struct mbuf *fragment, struct label *fragmentlabel, 499 struct ipq *ipq, struct label *ipqlabel) 500{ 501 502} 503 504/* 505 * Labeling event operations: processes. 506 */ 507static void 508mac_none_create_cred(struct ucred *cred_parent, struct ucred *cred_child) 509{ 510 511} 512 513static void 514mac_none_execve_transition(struct ucred *old, struct ucred *new, 515 struct vnode *vp, struct label *vnodelabel) 516{ 517 518} 519 520static int 521mac_none_execve_will_transition(struct ucred *old, struct vnode *vp, 522 struct label *vnodelabel) 523{ 524 525 return (0); 526} 527 528static void 529mac_none_create_proc0(struct ucred *cred) 530{ 531 532} 533 534static void 535mac_none_create_proc1(struct ucred *cred) 536{ 537 538} 539 540static void 541mac_none_relabel_cred(struct ucred *cred, struct label *newlabel) 542{ 543 544} 545 546/* 547 * Access control checks. 548 */ 549static int 550mac_none_check_bpfdesc_receive(struct bpf_d *bpf_d, struct label *bpflabel, 551 struct ifnet *ifnet, struct label *ifnet_label) 552{ 553 554 return (0); 555} 556 557static int 558mac_none_check_cred_relabel(struct ucred *cred, struct label *newlabel) 559{ 560 561 return (0); 562} 563 564static int 565mac_none_check_cred_visible(struct ucred *u1, struct ucred *u2) 566{ 567 568 return (0); 569} 570 571static int 572mac_none_check_ifnet_relabel(struct ucred *cred, struct ifnet *ifnet, 573 struct label *newlabel) 574{ 575 576 return (0); 577} 578 579static int 580mac_none_check_ifnet_transmit(struct ifnet *ifnet, struct label *ifnetlabel, 581 struct mbuf *m, struct label *mbuflabel) 582{ 583 584 return (0); 585} 586 587static int 588mac_none_check_mount_stat(struct ucred *cred, struct mount *mp, 589 struct label *mntlabel) 590{ 591 592 return (0); 593} 594 595static int 596mac_none_check_pipe_ioctl(struct ucred *cred, struct pipe *pipe, 597 struct label *pipelabel, unsigned long cmd, void /* caddr_t */ *data) 598{ 599 600 return (0); 601} 602 603static int 604mac_none_check_pipe_op(struct ucred *cred, struct pipe *pipe, 605 struct label *pipelabel, int op) 606{ 607 608 return (0); 609} 610 611static int 612mac_none_check_pipe_relabel(struct ucred *cred, struct pipe *pipe, 613 struct label *pipelabel, struct label *newlabel) 614{ 615 616 return (0); 617} 618 619static int 620mac_none_check_proc_debug(struct ucred *cred, struct proc *proc) 621{ 622 623 return (0); 624} 625 626static int 627mac_none_check_proc_sched(struct ucred *cred, struct proc *proc) 628{ 629 630 return (0); 631} 632 633static int 634mac_none_check_proc_signal(struct ucred *cred, struct proc *proc, int signum) 635{ 636 637 return (0); 638} 639 640static int 641mac_none_check_socket_bind(struct ucred *cred, struct socket *socket, 642 struct label *socketlabel, struct sockaddr *sockaddr) 643{ 644 645 return (0); 646} 647 648static int 649mac_none_check_socket_connect(struct ucred *cred, struct socket *socket, 650 struct label *socketlabel, struct sockaddr *sockaddr) 651{ 652 653 return (0); 654} 655 656static int 657mac_none_check_socket_deliver(struct socket *so, struct label *socketlabel, 658 struct mbuf *m, struct label *mbuflabel) 659{ 660 661 return (0); 662} 663 664static int 665mac_none_check_socket_listen(struct ucred *cred, struct vnode *vp, 666 struct label *socketlabel) 667{ 668 669 return (0); 670} 671 672static int 673mac_none_check_socket_relabel(struct ucred *cred, struct socket *socket, 674 struct label *socketlabel, struct label *newlabel) 675{ 676 677 return (0); 678} 679 680static int 681mac_none_check_socket_visible(struct ucred *cred, struct socket *socket, 682 struct label *socketlabel) 683{ 684 685 return (0); 686} 687 688static int 689mac_none_check_vnode_access(struct ucred *cred, struct vnode *vp, 690 struct label *label, mode_t flags) 691{ 692 693 return (0); 694} 695 696static int 697mac_none_check_vnode_chdir(struct ucred *cred, struct vnode *dvp, 698 struct label *dlabel) 699{ 700 701 return (0); 702} 703 704static int 705mac_none_check_vnode_chroot(struct ucred *cred, struct vnode *dvp, 706 struct label *dlabel) 707{ 708 709 return (0); 710} 711 712static int 713mac_none_check_vnode_create(struct ucred *cred, struct vnode *dvp, 714 struct label *dlabel, struct componentname *cnp, struct vattr *vap) 715{ 716 717 return (0); 718} 719 720static int 721mac_none_check_vnode_delete(struct ucred *cred, struct vnode *dvp, 722 struct label *dlabel, struct vnode *vp, struct label *label, 723 struct componentname *cnp) 724{ 725 726 return (0); 727} 728 729static int 730mac_none_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp, 731 struct label *label, acl_type_t type) 732{ 733 734 return (0); 735} 736 737static int 738mac_none_check_vnode_exec(struct ucred *cred, struct vnode *vp, 739 struct label *label) 740{ 741 742 return (0); 743} 744 745static int 746mac_none_check_vnode_getacl(struct ucred *cred, struct vnode *vp, 747 struct label *label, acl_type_t type) 748{ 749 750 return (0); 751} 752 753static int 754mac_none_check_vnode_getextattr(struct ucred *cred, struct vnode *vp, 755 struct label *label, int attrnamespace, const char *name, struct uio *uio) 756{ 757 758 return (0); 759} 760 761static int 762mac_none_check_vnode_lookup(struct ucred *cred, struct vnode *dvp, 763 struct label *dlabel, struct componentname *cnp) 764{ 765 766 return (0); 767} 768 769static int 770mac_none_check_vnode_open(struct ucred *cred, struct vnode *vp, 771 struct label *filelabel, mode_t acc_mode) 772{ 773 774 return (0); 775} 776 777static int 778mac_none_check_vnode_readdir(struct ucred *cred, struct vnode *vp, 779 struct label *dlabel) 780{ 781 782 return (0); 783} 784 785static int 786mac_none_check_vnode_readlink(struct ucred *cred, struct vnode *vp, 787 struct label *vnodelabel) 788{ 789 790 return (0); 791} 792 793static int 794mac_none_check_vnode_relabel(struct ucred *cred, struct vnode *vp, 795 struct label *vnodelabel, struct label *newlabel) 796{ 797 798 return (0); 799} 800 801static int 802mac_none_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp, 803 struct label *dlabel, struct vnode *vp, struct label *label, 804 struct componentname *cnp) 805{ 806 807 return (0); 808} 809 810static int 811mac_none_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp, 812 struct label *dlabel, struct vnode *vp, struct label *label, int samedir, 813 struct componentname *cnp) 814{ 815 816 return (0); 817} 818 819static int 820mac_none_check_vnode_revoke(struct ucred *cred, struct vnode *vp, 821 struct label *label) 822{ 823 824 return (0); 825} 826 827static int 828mac_none_check_vnode_setacl(struct ucred *cred, struct vnode *vp, 829 struct label *label, acl_type_t type, struct acl *acl) 830{ 831 832 return (0); 833} 834 835static int 836mac_none_check_vnode_setextattr(struct ucred *cred, struct vnode *vp, 837 struct label *label, int attrnamespace, const char *name, struct uio *uio) 838{ 839 840 return (0); 841} 842 843static int 844mac_none_check_vnode_setflags(struct ucred *cred, struct vnode *vp, 845 struct label *label, u_long flags) 846{ 847 848 return (0); 849} 850 851static int 852mac_none_check_vnode_setmode(struct ucred *cred, struct vnode *vp, 853 struct label *label, mode_t mode) 854{ 855 856 return (0); 857} 858 859static int 860mac_none_check_vnode_setowner(struct ucred *cred, struct vnode *vp, 861 struct label *label, uid_t uid, gid_t gid) 862{ 863 864 return (0); 865} 866 867static int 868mac_none_check_vnode_setutimes(struct ucred *cred, struct vnode *vp, 869 struct label *label, struct timespec atime, struct timespec mtime) 870{ 871 872 return (0); 873} 874 875static int 876mac_none_check_vnode_stat(struct ucred *cred, struct vnode *vp, 877 struct label *label) 878{ 879 880 return (0); 881} 882 883static struct mac_policy_op_entry mac_none_ops[] = 884{ 885 { MAC_DESTROY, 886 (macop_t)mac_none_destroy }, 887 { MAC_INIT, 888 (macop_t)mac_none_init }, 889 { MAC_INIT_BPFDESC, 890 (macop_t)mac_none_init_bpfdesc }, 891 { MAC_INIT_CRED, 892 (macop_t)mac_none_init_cred }, 893 { MAC_INIT_DEVFSDIRENT, 894 (macop_t)mac_none_init_devfsdirent }, 895 { MAC_INIT_IFNET, 896 (macop_t)mac_none_init_ifnet }, 897 { MAC_INIT_IPQ, 898 (macop_t)mac_none_init_ipq }, 899 { MAC_INIT_MBUF, 900 (macop_t)mac_none_init_mbuf }, 901 { MAC_INIT_MOUNT, 902 (macop_t)mac_none_init_mount }, 903 { MAC_INIT_PIPE, 904 (macop_t)mac_none_init_pipe }, 905 { MAC_INIT_SOCKET, 906 (macop_t)mac_none_init_socket }, 907 { MAC_INIT_TEMP, 908 (macop_t)mac_none_init_temp }, 909 { MAC_INIT_VNODE, 910 (macop_t)mac_none_init_vnode }, 911 { MAC_DESTROY_BPFDESC, 912 (macop_t)mac_none_destroy_bpfdesc }, 913 { MAC_DESTROY_CRED, 914 (macop_t)mac_none_destroy_cred }, 915 { MAC_DESTROY_DEVFSDIRENT, 916 (macop_t)mac_none_destroy_devfsdirent }, 917 { MAC_DESTROY_IFNET, 918 (macop_t)mac_none_destroy_ifnet }, 919 { MAC_DESTROY_IPQ, 920 (macop_t)mac_none_destroy_ipq }, 921 { MAC_DESTROY_MBUF, 922 (macop_t)mac_none_destroy_mbuf }, 923 { MAC_DESTROY_MOUNT, 924 (macop_t)mac_none_destroy_mount }, 925 { MAC_DESTROY_PIPE, 926 (macop_t)mac_none_destroy_pipe }, 927 { MAC_DESTROY_SOCKET, 928 (macop_t)mac_none_destroy_socket }, 929 { MAC_DESTROY_TEMP, 930 (macop_t)mac_none_destroy_temp }, 931 { MAC_DESTROY_VNODE, 932 (macop_t)mac_none_destroy_vnode }, 933 { MAC_EXTERNALIZE, 934 (macop_t)mac_none_externalize }, 935 { MAC_INTERNALIZE, 936 (macop_t)mac_none_internalize }, 937 { MAC_CREATE_DEVFS_DEVICE, 938 (macop_t)mac_none_create_devfs_device }, 939 { MAC_CREATE_DEVFS_DIRECTORY, 940 (macop_t)mac_none_create_devfs_directory }, 941 { MAC_CREATE_DEVFS_VNODE, 942 (macop_t)mac_none_create_devfs_vnode }, 943 { MAC_CREATE_VNODE, 944 (macop_t)mac_none_create_vnode }, 945 { MAC_CREATE_MOUNT, 946 (macop_t)mac_none_create_mount }, 947 { MAC_CREATE_ROOT_MOUNT, 948 (macop_t)mac_none_create_root_mount }, 949 { MAC_RELABEL_VNODE, 950 (macop_t)mac_none_relabel_vnode }, 951 { MAC_UPDATE_DEVFSDIRENT, 952 (macop_t)mac_none_update_devfsdirent }, 953 { MAC_UPDATE_PROCFSVNODE, 954 (macop_t)mac_none_update_procfsvnode }, 955 { MAC_UPDATE_VNODE_FROM_EXTERNALIZED, 956 (macop_t)mac_none_update_vnode_from_externalized }, 957 { MAC_UPDATE_VNODE_FROM_MOUNT, 958 (macop_t)mac_none_update_vnode_from_mount }, 959 { MAC_CREATE_MBUF_FROM_SOCKET, 960 (macop_t)mac_none_create_mbuf_from_socket }, 961 { MAC_CREATE_PIPE, 962 (macop_t)mac_none_create_pipe }, 963 { MAC_CREATE_SOCKET, 964 (macop_t)mac_none_create_socket }, 965 { MAC_CREATE_SOCKET_FROM_SOCKET, 966 (macop_t)mac_none_create_socket_from_socket }, 967 { MAC_RELABEL_PIPE, 968 (macop_t)mac_none_relabel_pipe }, 969 { MAC_RELABEL_SOCKET, 970 (macop_t)mac_none_relabel_socket }, 971 { MAC_SET_SOCKET_PEER_FROM_MBUF, 972 (macop_t)mac_none_set_socket_peer_from_mbuf }, 973 { MAC_SET_SOCKET_PEER_FROM_SOCKET, 974 (macop_t)mac_none_set_socket_peer_from_socket }, 975 { MAC_CREATE_BPFDESC, 976 (macop_t)mac_none_create_bpfdesc }, 977 { MAC_CREATE_IFNET, 978 (macop_t)mac_none_create_ifnet }, 979 { MAC_CREATE_IPQ, 980 (macop_t)mac_none_create_ipq }, 981 { MAC_CREATE_DATAGRAM_FROM_IPQ, 982 (macop_t)mac_none_create_datagram_from_ipq }, 983 { MAC_CREATE_FRAGMENT, 984 (macop_t)mac_none_create_fragment }, 985 { MAC_CREATE_IPQ, 986 (macop_t)mac_none_create_ipq }, 987 { MAC_CREATE_MBUF_FROM_MBUF, 988 (macop_t)mac_none_create_mbuf_from_mbuf }, 989 { MAC_CREATE_MBUF_LINKLAYER, 990 (macop_t)mac_none_create_mbuf_linklayer }, 991 { MAC_CREATE_MBUF_FROM_BPFDESC, 992 (macop_t)mac_none_create_mbuf_from_bpfdesc }, 993 { MAC_CREATE_MBUF_FROM_IFNET, 994 (macop_t)mac_none_create_mbuf_from_ifnet }, 995 { MAC_CREATE_MBUF_MULTICAST_ENCAP, 996 (macop_t)mac_none_create_mbuf_multicast_encap }, 997 { MAC_CREATE_MBUF_NETLAYER, 998 (macop_t)mac_none_create_mbuf_netlayer }, 999 { MAC_FRAGMENT_MATCH, 1000 (macop_t)mac_none_fragment_match }, 1001 { MAC_RELABEL_IFNET, 1002 (macop_t)mac_none_relabel_ifnet }, 1003 { MAC_UPDATE_IPQ, 1004 (macop_t)mac_none_update_ipq }, 1005 { MAC_CREATE_CRED, 1006 (macop_t)mac_none_create_cred }, 1007 { MAC_EXECVE_TRANSITION, 1008 (macop_t)mac_none_execve_transition }, 1009 { MAC_EXECVE_WILL_TRANSITION, 1010 (macop_t)mac_none_execve_will_transition }, 1011 { MAC_CREATE_PROC0, 1012 (macop_t)mac_none_create_proc0 }, 1013 { MAC_CREATE_PROC1, 1014 (macop_t)mac_none_create_proc1 }, 1015 { MAC_RELABEL_CRED, 1016 (macop_t)mac_none_relabel_cred }, 1017 { MAC_CHECK_BPFDESC_RECEIVE, 1018 (macop_t)mac_none_check_bpfdesc_receive }, 1019 { MAC_CHECK_CRED_RELABEL, 1020 (macop_t)mac_none_check_cred_relabel }, 1021 { MAC_CHECK_CRED_VISIBLE, 1022 (macop_t)mac_none_check_cred_visible }, 1023 { MAC_CHECK_IFNET_RELABEL, 1024 (macop_t)mac_none_check_ifnet_relabel }, 1025 { MAC_CHECK_IFNET_TRANSMIT, 1026 (macop_t)mac_none_check_ifnet_transmit }, 1027 { MAC_CHECK_MOUNT_STAT, 1028 (macop_t)mac_none_check_mount_stat }, 1029 { MAC_CHECK_PIPE_IOCTL, 1030 (macop_t)mac_none_check_pipe_ioctl }, 1031 { MAC_CHECK_PIPE_OP, 1032 (macop_t)mac_none_check_pipe_op }, 1033 { MAC_CHECK_PIPE_RELABEL, 1034 (macop_t)mac_none_check_pipe_relabel }, 1035 { MAC_CHECK_PROC_DEBUG, 1036 (macop_t)mac_none_check_proc_debug }, 1037 { MAC_CHECK_PROC_SCHED, 1038 (macop_t)mac_none_check_proc_sched }, 1039 { MAC_CHECK_PROC_SIGNAL, 1040 (macop_t)mac_none_check_proc_signal }, 1041 { MAC_CHECK_SOCKET_BIND, 1042 (macop_t)mac_none_check_socket_bind }, 1043 { MAC_CHECK_SOCKET_CONNECT, 1044 (macop_t)mac_none_check_socket_connect }, 1045 { MAC_CHECK_SOCKET_DELIVER, 1046 (macop_t)mac_none_check_socket_deliver }, 1047 { MAC_CHECK_SOCKET_LISTEN, 1048 (macop_t)mac_none_check_socket_listen }, 1049 { MAC_CHECK_SOCKET_RELABEL, 1050 (macop_t)mac_none_check_socket_relabel }, 1051 { MAC_CHECK_SOCKET_VISIBLE, 1052 (macop_t)mac_none_check_socket_visible }, 1053 { MAC_CHECK_VNODE_ACCESS, 1054 (macop_t)mac_none_check_vnode_access }, 1055 { MAC_CHECK_VNODE_CHDIR, 1056 (macop_t)mac_none_check_vnode_chdir }, 1057 { MAC_CHECK_VNODE_CHROOT, 1058 (macop_t)mac_none_check_vnode_chroot }, 1059 { MAC_CHECK_VNODE_CREATE, 1060 (macop_t)mac_none_check_vnode_create }, 1061 { MAC_CHECK_VNODE_DELETE, 1062 (macop_t)mac_none_check_vnode_delete }, 1063 { MAC_CHECK_VNODE_DELETEACL, 1064 (macop_t)mac_none_check_vnode_deleteacl }, 1065 { MAC_CHECK_VNODE_EXEC, 1066 (macop_t)mac_none_check_vnode_exec }, 1067 { MAC_CHECK_VNODE_GETACL, 1068 (macop_t)mac_none_check_vnode_getacl }, 1069 { MAC_CHECK_VNODE_GETEXTATTR, 1070 (macop_t)mac_none_check_vnode_getextattr }, 1071 { MAC_CHECK_VNODE_LOOKUP, 1072 (macop_t)mac_none_check_vnode_lookup }, 1073 { MAC_CHECK_VNODE_OPEN, 1074 (macop_t)mac_none_check_vnode_open }, 1075 { MAC_CHECK_VNODE_READDIR, 1076 (macop_t)mac_none_check_vnode_readdir }, 1077 { MAC_CHECK_VNODE_READLINK, 1078 (macop_t)mac_none_check_vnode_readlink }, 1079 { MAC_CHECK_VNODE_RELABEL, 1080 (macop_t)mac_none_check_vnode_relabel }, 1081 { MAC_CHECK_VNODE_RENAME_FROM, 1082 (macop_t)mac_none_check_vnode_rename_from }, 1083 { MAC_CHECK_VNODE_RENAME_TO, 1084 (macop_t)mac_none_check_vnode_rename_to }, 1085 { MAC_CHECK_VNODE_REVOKE, 1086 (macop_t)mac_none_check_vnode_revoke }, 1087 { MAC_CHECK_VNODE_SETACL, 1088 (macop_t)mac_none_check_vnode_setacl }, 1089 { MAC_CHECK_VNODE_SETEXTATTR, 1090 (macop_t)mac_none_check_vnode_setextattr }, 1091 { MAC_CHECK_VNODE_SETFLAGS, 1092 (macop_t)mac_none_check_vnode_setflags }, 1093 { MAC_CHECK_VNODE_SETMODE, 1094 (macop_t)mac_none_check_vnode_setmode }, 1095 { MAC_CHECK_VNODE_SETOWNER, 1096 (macop_t)mac_none_check_vnode_setowner }, 1097 { MAC_CHECK_VNODE_SETUTIMES, 1098 (macop_t)mac_none_check_vnode_setutimes }, 1099 { MAC_CHECK_VNODE_STAT, 1100 (macop_t)mac_none_check_vnode_stat }, 1101 { MAC_OP_LAST, NULL } 1102}; 1103 1104MAC_POLICY_SET(mac_none_ops, trustedbsd_mac_none, "TrustedBSD MAC/None", 1105 MPC_LOADTIME_FLAG_UNLOADOK, 0); 1106