mac_none.c revision 105664
1139823Simp/*- 2121461Sharti * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson 3121461Sharti * Copyright (c) 2001, 2002 Networks Associates Technology, Inc. 4121461Sharti * All rights reserved. 5121461Sharti * 6121461Sharti * This software was developed by Robert Watson for the TrustedBSD Project. 7121461Sharti * 8121461Sharti * This software was developed for the FreeBSD Project in part by NAI Labs, 9121461Sharti * the Security Research Division of Network Associates, Inc. under 10121461Sharti * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA 11121461Sharti * CHATS research program. 12121461Sharti * 13121461Sharti * Redistribution and use in source and binary forms, with or without 14121461Sharti * modification, are permitted provided that the following conditions 15121461Sharti * are met: 16121461Sharti * 1. Redistributions of source code must retain the above copyright 17121461Sharti * notice, this list of conditions and the following disclaimer. 18121461Sharti * 2. Redistributions in binary form must reproduce the above copyright 19121461Sharti * notice, this list of conditions and the following disclaimer in the 20121461Sharti * documentation and/or other materials provided with the distribution. 21121461Sharti * 3. The names of the authors may not be used to endorse or promote 22121461Sharti * products derived from this software without specific prior written 23121461Sharti * permission. 24121461Sharti * 25121461Sharti * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 26121461Sharti * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27121461Sharti * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28121461Sharti * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 29121461Sharti * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30121461Sharti * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31121461Sharti * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32121461Sharti * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33121461Sharti * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34121461Sharti * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35121461Sharti * SUCH DAMAGE. 36121461Sharti * 37121461Sharti * $FreeBSD: head/sys/security/mac_none/mac_none.c 105664 2002-10-21 23:16:23Z rwatson $ 38121461Sharti */ 39121461Sharti 40121461Sharti/* 41121461Sharti * Developed by the TrustedBSD Project. 42121461Sharti * Generic mandatory access module that does nothing. 43121461Sharti */ 44121461Sharti 45121461Sharti#include <sys/types.h> 46121461Sharti#include <sys/param.h> 47121461Sharti#include <sys/acl.h> 48121461Sharti#include <sys/conf.h> 49121461Sharti#include <sys/kernel.h> 50121461Sharti#include <sys/mac.h> 51121461Sharti#include <sys/mount.h> 52121461Sharti#include <sys/proc.h> 53121461Sharti#include <sys/systm.h> 54121461Sharti#include <sys/sysproto.h> 55121461Sharti#include <sys/sysent.h> 56121461Sharti#include <sys/vnode.h> 57121461Sharti#include <sys/file.h> 58121461Sharti#include <sys/socket.h> 59121461Sharti#include <sys/socketvar.h> 60121461Sharti#include <sys/pipe.h> 61121461Sharti#include <sys/sysctl.h> 62121461Sharti 63121461Sharti#include <fs/devfs/devfs.h> 64121461Sharti 65121461Sharti#include <net/bpfdesc.h> 66121461Sharti#include <net/if.h> 67121461Sharti#include <net/if_types.h> 68121461Sharti#include <net/if_var.h> 69121461Sharti 70121461Sharti#include <netinet/in.h> 71121461Sharti#include <netinet/ip_var.h> 72121461Sharti 73121461Sharti#include <vm/vm.h> 74121461Sharti 75121461Sharti#include <sys/mac_policy.h> 76121461Sharti 77121461ShartiSYSCTL_DECL(_security_mac); 78121461Sharti 79121461ShartiSYSCTL_NODE(_security_mac, OID_AUTO, none, CTLFLAG_RW, 0, 80121461Sharti "TrustedBSD mac_none policy controls"); 81121461Sharti 82121461Shartistatic int mac_none_enabled = 0; 83121461ShartiSYSCTL_INT(_security_mac_none, OID_AUTO, enabled, CTLFLAG_RW, 84121461Sharti &mac_none_enabled, 0, "Enforce none policy"); 85121461Sharti 86121461Sharti/* 87121461Sharti * Policy module operations. 88121461Sharti */ 89121461Shartistatic void 90121461Shartimac_none_destroy(struct mac_policy_conf *conf) 91121461Sharti{ 92121461Sharti 93121461Sharti} 94121461Sharti 95121461Shartistatic void 96121461Shartimac_none_init(struct mac_policy_conf *conf) 97121461Sharti{ 98121461Sharti 99121461Sharti} 100121461Sharti 101121461Shartistatic int 102121461Shartimac_none_syscall(struct thread *td, int call, void *arg) 103121461Sharti{ 104121461Sharti 105121461Sharti return (0); 106121461Sharti} 107121461Sharti 108137199Sharti/* 109137199Sharti * Label operations. 110121461Sharti */ 111138268Sglebiusstatic void 112121461Shartimac_none_init_label(struct label *label) 113121461Sharti{ 114137897Sglebius 115138268Sglebius} 116121461Sharti 117121461Shartistatic int 118137199Shartimac_none_init_label_waitcheck(struct label *label, int flag) 119121461Sharti{ 120121461Sharti 121121461Sharti return (0); 122121461Sharti} 123121461Sharti 124121461Shartistatic void 125121461Shartimac_none_destroy_label(struct label *label) 126121461Sharti{ 127121461Sharti 128121461Sharti} 129121461Sharti 130121461Shartistatic int 131121461Shartimac_none_externalize(struct label *label, struct mac *extmac) 132121461Sharti{ 133121461Sharti 134121461Sharti return (0); 135121461Sharti} 136121461Sharti 137121461Shartistatic int 138121461Shartimac_none_internalize(struct label *label, struct mac *extmac) 139121461Sharti{ 140121461Sharti 141121461Sharti return (0); 142121461Sharti} 143121461Sharti 144121461Sharti/* 145121461Sharti * Labeling event operations: file system objects, and things that look 146121461Sharti * a lot like file system objects. 147121461Sharti */ 148121461Shartistatic void 149121461Shartimac_none_create_devfs_device(dev_t dev, struct devfs_dirent *devfs_dirent, 150121461Sharti struct label *label) 151121461Sharti{ 152121461Sharti 153121461Sharti} 154121461Sharti 155121461Shartistatic void 156121461Shartimac_none_create_devfs_directory(char *dirname, int dirnamelen, 157121461Sharti struct devfs_dirent *devfs_dirent, struct label *label) 158121461Sharti{ 159121461Sharti 160121461Sharti} 161121461Sharti 162121461Shartistatic void 163121461Shartimac_none_create_devfs_symlink(struct ucred *cred, struct devfs_dirent *dd, 164121461Sharti struct label *ddlabel, struct devfs_dirent *de, struct label *delabel) 165121461Sharti{ 166121461Sharti 167121461Sharti} 168121461Sharti 169121461Shartistatic void 170121461Shartimac_none_create_devfs_vnode(struct devfs_dirent *devfs_dirent, 171121461Sharti struct label *direntlabel, struct vnode *vp, struct label *vnodelabel) 172121461Sharti{ 173121461Sharti 174121461Sharti} 175121461Sharti 176121461Shartistatic void 177121461Shartimac_none_create_vnode(struct ucred *cred, struct vnode *parent, 178121461Sharti struct label *parentlabel, struct vnode *child, 179121461Sharti struct label *childlabel) 180121461Sharti{ 181121461Sharti 182121461Sharti} 183121461Sharti 184121461Shartistatic void 185121461Shartimac_none_create_mount(struct ucred *cred, struct mount *mp, 186121461Sharti struct label *mntlabel, struct label *fslabel) 187121461Sharti{ 188121461Sharti 189121461Sharti} 190121461Sharti 191121461Shartistatic void 192121461Shartimac_none_create_root_mount(struct ucred *cred, struct mount *mp, 193121461Sharti struct label *mntlabel, struct label *fslabel) 194121461Sharti{ 195121461Sharti 196121461Sharti} 197121461Sharti 198121461Shartistatic void 199121461Shartimac_none_relabel_vnode(struct ucred *cred, struct vnode *vp, 200121461Sharti struct label *vnodelabel, struct label *label) 201121461Sharti{ 202121461Sharti 203121461Sharti} 204121461Sharti 205121461Shartistatic void 206121461Shartimac_none_update_devfsdirent(struct devfs_dirent *devfs_dirent, 207121461Sharti struct label *direntlabel, struct vnode *vp, struct label *vnodelabel) 208121461Sharti{ 209121461Sharti 210121461Sharti} 211121461Sharti 212121461Shartistatic void 213121461Shartimac_none_update_procfsvnode(struct vnode *vp, struct label *vnodelabel, 214121461Sharti struct ucred *cred) 215121461Sharti{ 216121461Sharti 217121461Sharti} 218121461Sharti 219121461Shartistatic int 220121461Shartimac_none_update_vnode_from_externalized(struct vnode *vp, 221121461Sharti struct label *vnodelabel, struct mac *extmac) 222121461Sharti{ 223121461Sharti 224121461Sharti return (0); 225121461Sharti} 226121461Sharti 227121461Shartistatic void 228121461Shartimac_none_update_vnode_from_mount(struct vnode *vp, struct label *vnodelabel, 229121461Sharti struct mount *mp, struct label *fslabel) 230121461Sharti{ 231121461Sharti 232121461Sharti} 233121461Sharti 234121461Sharti/* 235121461Sharti * Labeling event operations: IPC object. 236121461Sharti */ 237121461Shartistatic void 238121461Shartimac_none_create_mbuf_from_socket(struct socket *so, struct label *socketlabel, 239121461Sharti struct mbuf *m, struct label *mbuflabel) 240121461Sharti{ 241121461Sharti 242121461Sharti} 243121461Sharti 244121461Shartistatic void 245121461Shartimac_none_create_socket(struct ucred *cred, struct socket *socket, 246121461Sharti struct label *socketlabel) 247121461Sharti{ 248121461Sharti 249121461Sharti} 250121461Sharti 251121461Shartistatic void 252121461Shartimac_none_create_pipe(struct ucred *cred, struct pipe *pipe, 253121461Sharti struct label *pipelabel) 254121461Sharti{ 255121461Sharti 256121461Sharti} 257121461Sharti 258121461Shartistatic void 259121461Shartimac_none_create_socket_from_socket(struct socket *oldsocket, 260121461Sharti struct label *oldsocketlabel, struct socket *newsocket, 261121461Sharti struct label *newsocketlabel) 262121461Sharti{ 263121461Sharti 264121461Sharti} 265121461Sharti 266121461Shartistatic void 267121461Shartimac_none_relabel_socket(struct ucred *cred, struct socket *socket, 268121461Sharti struct label *socketlabel, struct label *newlabel) 269121461Sharti{ 270121461Sharti 271121461Sharti} 272121461Sharti 273121461Shartistatic void 274121461Shartimac_none_relabel_pipe(struct ucred *cred, struct pipe *pipe, 275121461Sharti struct label *pipelabel, struct label *newlabel) 276121461Sharti{ 277121461Sharti 278121461Sharti} 279121461Sharti 280121461Shartistatic void 281121461Shartimac_none_set_socket_peer_from_mbuf(struct mbuf *mbuf, struct label *mbuflabel, 282121461Sharti struct socket *socket, struct label *socketpeerlabel) 283121461Sharti{ 284121461Sharti 285121461Sharti} 286121461Sharti 287121461Shartistatic void 288121461Shartimac_none_set_socket_peer_from_socket(struct socket *oldsocket, 289121461Sharti struct label *oldsocketlabel, struct socket *newsocket, 290121461Sharti struct label *newsocketpeerlabel) 291121461Sharti{ 292121461Sharti 293121461Sharti} 294121461Sharti 295121461Sharti/* 296121461Sharti * Labeling event operations: network objects. 297121461Sharti */ 298121461Shartistatic void 299121461Shartimac_none_create_bpfdesc(struct ucred *cred, struct bpf_d *bpf_d, 300121461Sharti struct label *bpflabel) 301121461Sharti{ 302121461Sharti 303121461Sharti} 304121461Sharti 305121461Shartistatic void 306121461Shartimac_none_create_datagram_from_ipq(struct ipq *ipq, struct label *ipqlabel, 307121461Sharti struct mbuf *datagram, struct label *datagramlabel) 308121461Sharti{ 309121461Sharti 310121461Sharti} 311121461Sharti 312121461Shartistatic void 313121461Shartimac_none_create_fragment(struct mbuf *datagram, struct label *datagramlabel, 314121461Sharti struct mbuf *fragment, struct label *fragmentlabel) 315121461Sharti{ 316121461Sharti 317121461Sharti} 318121461Sharti 319121461Shartistatic void 320121461Shartimac_none_create_ifnet(struct ifnet *ifnet, struct label *ifnetlabel) 321121461Sharti{ 322121461Sharti 323121461Sharti} 324121461Sharti 325121461Shartistatic void 326121461Shartimac_none_create_ipq(struct mbuf *fragment, struct label *fragmentlabel, 327121461Sharti struct ipq *ipq, struct label *ipqlabel) 328121461Sharti{ 329121461Sharti 330121461Sharti} 331121461Sharti 332121461Shartistatic void 333121461Shartimac_none_create_mbuf_from_mbuf(struct mbuf *oldmbuf, 334121461Sharti struct label *oldmbuflabel, struct mbuf *newmbuf, 335121461Sharti struct label *newmbuflabel) 336121461Sharti{ 337121461Sharti 338121461Sharti} 339121461Sharti 340121461Shartistatic void 341121461Shartimac_none_create_mbuf_linklayer(struct ifnet *ifnet, struct label *ifnetlabel, 342121461Sharti struct mbuf *mbuf, struct label *mbuflabel) 343121461Sharti{ 344121461Sharti 345} 346 347static void 348mac_none_create_mbuf_from_bpfdesc(struct bpf_d *bpf_d, struct label *bpflabel, 349 struct mbuf *mbuf, struct label *mbuflabel) 350{ 351 352} 353 354static void 355mac_none_create_mbuf_from_ifnet(struct ifnet *ifnet, struct label *ifnetlabel, 356 struct mbuf *m, struct label *mbuflabel) 357{ 358 359} 360 361static void 362mac_none_create_mbuf_multicast_encap(struct mbuf *oldmbuf, 363 struct label *oldmbuflabel, struct ifnet *ifnet, struct label *ifnetlabel, 364 struct mbuf *newmbuf, struct label *newmbuflabel) 365{ 366 367} 368 369static void 370mac_none_create_mbuf_netlayer(struct mbuf *oldmbuf, 371 struct label *oldmbuflabel, struct mbuf *newmbuf, struct label *newmbuflabel) 372{ 373 374} 375 376static int 377mac_none_fragment_match(struct mbuf *fragment, struct label *fragmentlabel, 378 struct ipq *ipq, struct label *ipqlabel) 379{ 380 381 return (1); 382} 383 384static void 385mac_none_relabel_ifnet(struct ucred *cred, struct ifnet *ifnet, 386 struct label *ifnetlabel, struct label *newlabel) 387{ 388 389} 390 391static void 392mac_none_update_ipq(struct mbuf *fragment, struct label *fragmentlabel, 393 struct ipq *ipq, struct label *ipqlabel) 394{ 395 396} 397 398/* 399 * Labeling event operations: processes. 400 */ 401static void 402mac_none_create_cred(struct ucred *cred_parent, struct ucred *cred_child) 403{ 404 405} 406 407static void 408mac_none_execve_transition(struct ucred *old, struct ucred *new, 409 struct vnode *vp, struct label *vnodelabel) 410{ 411 412} 413 414static int 415mac_none_execve_will_transition(struct ucred *old, struct vnode *vp, 416 struct label *vnodelabel) 417{ 418 419 return (0); 420} 421 422static void 423mac_none_create_proc0(struct ucred *cred) 424{ 425 426} 427 428static void 429mac_none_create_proc1(struct ucred *cred) 430{ 431 432} 433 434static void 435mac_none_relabel_cred(struct ucred *cred, struct label *newlabel) 436{ 437 438} 439 440/* 441 * Access control checks. 442 */ 443static int 444mac_none_check_bpfdesc_receive(struct bpf_d *bpf_d, struct label *bpflabel, 445 struct ifnet *ifnet, struct label *ifnet_label) 446{ 447 448 return (0); 449} 450 451static int 452mac_none_check_cred_relabel(struct ucred *cred, struct label *newlabel) 453{ 454 455 return (0); 456} 457 458static int 459mac_none_check_cred_visible(struct ucred *u1, struct ucred *u2) 460{ 461 462 return (0); 463} 464 465static int 466mac_none_check_ifnet_relabel(struct ucred *cred, struct ifnet *ifnet, 467 struct label *newlabel) 468{ 469 470 return (0); 471} 472 473static int 474mac_none_check_ifnet_transmit(struct ifnet *ifnet, struct label *ifnetlabel, 475 struct mbuf *m, struct label *mbuflabel) 476{ 477 478 return (0); 479} 480 481static int 482mac_none_check_mount_stat(struct ucred *cred, struct mount *mp, 483 struct label *mntlabel) 484{ 485 486 return (0); 487} 488 489static int 490mac_none_check_pipe_ioctl(struct ucred *cred, struct pipe *pipe, 491 struct label *pipelabel, unsigned long cmd, void /* caddr_t */ *data) 492{ 493 494 return (0); 495} 496 497static int 498mac_none_check_pipe_poll(struct ucred *cred, struct pipe *pipe, 499 struct label *pipelabel) 500{ 501 502 return (0); 503} 504 505static int 506mac_none_check_pipe_read(struct ucred *cred, struct pipe *pipe, 507 struct label *pipelabel) 508{ 509 510 return (0); 511} 512 513static int 514mac_none_check_pipe_relabel(struct ucred *cred, struct pipe *pipe, 515 struct label *pipelabel, struct label *newlabel) 516{ 517 518 return (0); 519} 520 521static int 522mac_none_check_pipe_stat(struct ucred *cred, struct pipe *pipe, 523 struct label *pipelabel) 524{ 525 526 return (0); 527} 528 529static int 530mac_none_check_pipe_write(struct ucred *cred, struct pipe *pipe, 531 struct label *pipelabel) 532{ 533 534 return (0); 535} 536 537static int 538mac_none_check_proc_debug(struct ucred *cred, struct proc *proc) 539{ 540 541 return (0); 542} 543 544static int 545mac_none_check_proc_sched(struct ucred *cred, struct proc *proc) 546{ 547 548 return (0); 549} 550 551static int 552mac_none_check_proc_signal(struct ucred *cred, struct proc *proc, int signum) 553{ 554 555 return (0); 556} 557 558static int 559mac_none_check_socket_bind(struct ucred *cred, struct socket *socket, 560 struct label *socketlabel, struct sockaddr *sockaddr) 561{ 562 563 return (0); 564} 565 566static int 567mac_none_check_socket_connect(struct ucred *cred, struct socket *socket, 568 struct label *socketlabel, struct sockaddr *sockaddr) 569{ 570 571 return (0); 572} 573 574static int 575mac_none_check_socket_deliver(struct socket *so, struct label *socketlabel, 576 struct mbuf *m, struct label *mbuflabel) 577{ 578 579 return (0); 580} 581 582static int 583mac_none_check_socket_listen(struct ucred *cred, struct socket *so, 584 struct label *socketlabel) 585{ 586 587 return (0); 588} 589 590static int 591mac_none_check_socket_relabel(struct ucred *cred, struct socket *socket, 592 struct label *socketlabel, struct label *newlabel) 593{ 594 595 return (0); 596} 597 598static int 599mac_none_check_socket_visible(struct ucred *cred, struct socket *socket, 600 struct label *socketlabel) 601{ 602 603 return (0); 604} 605 606static int 607mac_none_check_vnode_access(struct ucred *cred, struct vnode *vp, 608 struct label *label, mode_t flags) 609{ 610 611 return (0); 612} 613 614static int 615mac_none_check_vnode_chdir(struct ucred *cred, struct vnode *dvp, 616 struct label *dlabel) 617{ 618 619 return (0); 620} 621 622static int 623mac_none_check_vnode_chroot(struct ucred *cred, struct vnode *dvp, 624 struct label *dlabel) 625{ 626 627 return (0); 628} 629 630static int 631mac_none_check_vnode_create(struct ucred *cred, struct vnode *dvp, 632 struct label *dlabel, struct componentname *cnp, struct vattr *vap) 633{ 634 635 return (0); 636} 637 638static int 639mac_none_check_vnode_delete(struct ucred *cred, struct vnode *dvp, 640 struct label *dlabel, struct vnode *vp, struct label *label, 641 struct componentname *cnp) 642{ 643 644 return (0); 645} 646 647static int 648mac_none_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp, 649 struct label *label, acl_type_t type) 650{ 651 652 return (0); 653} 654 655static int 656mac_none_check_vnode_exec(struct ucred *cred, struct vnode *vp, 657 struct label *label) 658{ 659 660 return (0); 661} 662 663static int 664mac_none_check_vnode_getacl(struct ucred *cred, struct vnode *vp, 665 struct label *label, acl_type_t type) 666{ 667 668 return (0); 669} 670 671static int 672mac_none_check_vnode_getextattr(struct ucred *cred, struct vnode *vp, 673 struct label *label, int attrnamespace, const char *name, struct uio *uio) 674{ 675 676 return (0); 677} 678 679static int 680mac_none_check_vnode_link(struct ucred *cred, struct vnode *dvp, 681 struct label *dlabel, struct vnode *vp, struct label *label, 682 struct componentname *cnp) 683{ 684 685 return (0); 686} 687 688static int 689mac_none_check_vnode_lookup(struct ucred *cred, struct vnode *dvp, 690 struct label *dlabel, struct componentname *cnp) 691{ 692 693 return (0); 694} 695 696static int 697mac_none_check_vnode_mmap(struct ucred *cred, struct vnode *vp, 698 struct label *label, int prot) 699{ 700 701 return (0); 702} 703 704static int 705mac_none_check_vnode_mprotect(struct ucred *cred, struct vnode *vp, 706 struct label *label, int prot) 707{ 708 709 return (0); 710} 711 712static int 713mac_none_check_vnode_open(struct ucred *cred, struct vnode *vp, 714 struct label *filelabel, mode_t acc_mode) 715{ 716 717 return (0); 718} 719 720static int 721mac_none_check_vnode_poll(struct ucred *active_cred, struct ucred *file_cred, 722 struct vnode *vp, struct label *label) 723{ 724 725 return (0); 726} 727 728static int 729mac_none_check_vnode_read(struct ucred *active_cred, struct ucred *file_cred, 730 struct vnode *vp, struct label *label) 731{ 732 733 return (0); 734} 735 736static int 737mac_none_check_vnode_readdir(struct ucred *cred, struct vnode *vp, 738 struct label *dlabel) 739{ 740 741 return (0); 742} 743 744static int 745mac_none_check_vnode_readlink(struct ucred *cred, struct vnode *vp, 746 struct label *vnodelabel) 747{ 748 749 return (0); 750} 751 752static int 753mac_none_check_vnode_relabel(struct ucred *cred, struct vnode *vp, 754 struct label *vnodelabel, struct label *newlabel) 755{ 756 757 return (0); 758} 759 760static int 761mac_none_check_vnode_rename_from(struct ucred *cred, struct vnode *dvp, 762 struct label *dlabel, struct vnode *vp, struct label *label, 763 struct componentname *cnp) 764{ 765 766 return (0); 767} 768 769static int 770mac_none_check_vnode_rename_to(struct ucred *cred, struct vnode *dvp, 771 struct label *dlabel, struct vnode *vp, struct label *label, int samedir, 772 struct componentname *cnp) 773{ 774 775 return (0); 776} 777 778static int 779mac_none_check_vnode_revoke(struct ucred *cred, struct vnode *vp, 780 struct label *label) 781{ 782 783 return (0); 784} 785 786static int 787mac_none_check_vnode_setacl(struct ucred *cred, struct vnode *vp, 788 struct label *label, acl_type_t type, struct acl *acl) 789{ 790 791 return (0); 792} 793 794static int 795mac_none_check_vnode_setextattr(struct ucred *cred, struct vnode *vp, 796 struct label *label, int attrnamespace, const char *name, struct uio *uio) 797{ 798 799 return (0); 800} 801 802static int 803mac_none_check_vnode_setflags(struct ucred *cred, struct vnode *vp, 804 struct label *label, u_long flags) 805{ 806 807 return (0); 808} 809 810static int 811mac_none_check_vnode_setmode(struct ucred *cred, struct vnode *vp, 812 struct label *label, mode_t mode) 813{ 814 815 return (0); 816} 817 818static int 819mac_none_check_vnode_setowner(struct ucred *cred, struct vnode *vp, 820 struct label *label, uid_t uid, gid_t gid) 821{ 822 823 return (0); 824} 825 826static int 827mac_none_check_vnode_setutimes(struct ucred *cred, struct vnode *vp, 828 struct label *label, struct timespec atime, struct timespec mtime) 829{ 830 831 return (0); 832} 833 834static int 835mac_none_check_vnode_stat(struct ucred *active_cred, struct ucred *file_cred, 836 struct vnode *vp, struct label *label) 837{ 838 839 return (0); 840} 841 842static int 843mac_none_check_vnode_write(struct ucred *active_cred, 844 struct ucred *file_cred, struct vnode *vp, struct label *label) 845{ 846 847 return (0); 848} 849 850static struct mac_policy_op_entry mac_none_ops[] = 851{ 852 { MAC_DESTROY, 853 (macop_t)mac_none_destroy }, 854 { MAC_INIT, 855 (macop_t)mac_none_init }, 856 { MAC_SYSCALL, 857 (macop_t)mac_none_syscall }, 858 { MAC_INIT_BPFDESC_LABEL, 859 (macop_t)mac_none_init_label }, 860 { MAC_INIT_CRED_LABEL, 861 (macop_t)mac_none_init_label }, 862 { MAC_INIT_DEVFSDIRENT_LABEL, 863 (macop_t)mac_none_init_label }, 864 { MAC_INIT_IFNET_LABEL, 865 (macop_t)mac_none_init_label }, 866 { MAC_INIT_IPQ_LABEL, 867 (macop_t)mac_none_init_label }, 868 { MAC_INIT_MBUF_LABEL, 869 (macop_t)mac_none_init_label_waitcheck }, 870 { MAC_INIT_MOUNT_LABEL, 871 (macop_t)mac_none_init_label }, 872 { MAC_INIT_MOUNT_FS_LABEL, 873 (macop_t)mac_none_init_label }, 874 { MAC_INIT_PIPE_LABEL, 875 (macop_t)mac_none_init_label }, 876 { MAC_INIT_SOCKET_LABEL, 877 (macop_t)mac_none_init_label_waitcheck }, 878 { MAC_INIT_SOCKET_PEER_LABEL, 879 (macop_t)mac_none_init_label_waitcheck }, 880 { MAC_INIT_TEMP_LABEL, 881 (macop_t)mac_none_init_label }, 882 { MAC_INIT_VNODE_LABEL, 883 (macop_t)mac_none_init_label }, 884 { MAC_DESTROY_BPFDESC_LABEL, 885 (macop_t)mac_none_destroy_label }, 886 { MAC_DESTROY_CRED_LABEL, 887 (macop_t)mac_none_destroy_label }, 888 { MAC_DESTROY_DEVFSDIRENT_LABEL, 889 (macop_t)mac_none_destroy_label }, 890 { MAC_DESTROY_IFNET_LABEL, 891 (macop_t)mac_none_destroy_label }, 892 { MAC_DESTROY_IPQ_LABEL, 893 (macop_t)mac_none_destroy_label }, 894 { MAC_DESTROY_MBUF_LABEL, 895 (macop_t)mac_none_destroy_label }, 896 { MAC_DESTROY_MOUNT_LABEL, 897 (macop_t)mac_none_destroy_label }, 898 { MAC_DESTROY_MOUNT_FS_LABEL, 899 (macop_t)mac_none_destroy_label }, 900 { MAC_DESTROY_PIPE_LABEL, 901 (macop_t)mac_none_destroy_label }, 902 { MAC_DESTROY_SOCKET_LABEL, 903 (macop_t)mac_none_destroy_label }, 904 { MAC_DESTROY_SOCKET_PEER_LABEL, 905 (macop_t)mac_none_destroy_label }, 906 { MAC_DESTROY_TEMP_LABEL, 907 (macop_t)mac_none_destroy_label }, 908 { MAC_DESTROY_VNODE_LABEL, 909 (macop_t)mac_none_destroy_label }, 910 { MAC_EXTERNALIZE, 911 (macop_t)mac_none_externalize }, 912 { MAC_INTERNALIZE, 913 (macop_t)mac_none_internalize }, 914 { MAC_CREATE_DEVFS_DEVICE, 915 (macop_t)mac_none_create_devfs_device }, 916 { MAC_CREATE_DEVFS_DIRECTORY, 917 (macop_t)mac_none_create_devfs_directory }, 918 { MAC_CREATE_DEVFS_SYMLINK, 919 (macop_t)mac_none_create_devfs_symlink }, 920 { MAC_CREATE_DEVFS_VNODE, 921 (macop_t)mac_none_create_devfs_vnode }, 922 { MAC_CREATE_VNODE, 923 (macop_t)mac_none_create_vnode }, 924 { MAC_CREATE_MOUNT, 925 (macop_t)mac_none_create_mount }, 926 { MAC_CREATE_ROOT_MOUNT, 927 (macop_t)mac_none_create_root_mount }, 928 { MAC_RELABEL_VNODE, 929 (macop_t)mac_none_relabel_vnode }, 930 { MAC_UPDATE_DEVFSDIRENT, 931 (macop_t)mac_none_update_devfsdirent }, 932 { MAC_UPDATE_PROCFSVNODE, 933 (macop_t)mac_none_update_procfsvnode }, 934 { MAC_UPDATE_VNODE_FROM_EXTERNALIZED, 935 (macop_t)mac_none_update_vnode_from_externalized }, 936 { MAC_UPDATE_VNODE_FROM_MOUNT, 937 (macop_t)mac_none_update_vnode_from_mount }, 938 { MAC_CREATE_MBUF_FROM_SOCKET, 939 (macop_t)mac_none_create_mbuf_from_socket }, 940 { MAC_CREATE_PIPE, 941 (macop_t)mac_none_create_pipe }, 942 { MAC_CREATE_SOCKET, 943 (macop_t)mac_none_create_socket }, 944 { MAC_CREATE_SOCKET_FROM_SOCKET, 945 (macop_t)mac_none_create_socket_from_socket }, 946 { MAC_RELABEL_PIPE, 947 (macop_t)mac_none_relabel_pipe }, 948 { MAC_RELABEL_SOCKET, 949 (macop_t)mac_none_relabel_socket }, 950 { MAC_SET_SOCKET_PEER_FROM_MBUF, 951 (macop_t)mac_none_set_socket_peer_from_mbuf }, 952 { MAC_SET_SOCKET_PEER_FROM_SOCKET, 953 (macop_t)mac_none_set_socket_peer_from_socket }, 954 { MAC_CREATE_BPFDESC, 955 (macop_t)mac_none_create_bpfdesc }, 956 { MAC_CREATE_IFNET, 957 (macop_t)mac_none_create_ifnet }, 958 { MAC_CREATE_IPQ, 959 (macop_t)mac_none_create_ipq }, 960 { MAC_CREATE_DATAGRAM_FROM_IPQ, 961 (macop_t)mac_none_create_datagram_from_ipq }, 962 { MAC_CREATE_FRAGMENT, 963 (macop_t)mac_none_create_fragment }, 964 { MAC_CREATE_IPQ, 965 (macop_t)mac_none_create_ipq }, 966 { MAC_CREATE_MBUF_FROM_MBUF, 967 (macop_t)mac_none_create_mbuf_from_mbuf }, 968 { MAC_CREATE_MBUF_LINKLAYER, 969 (macop_t)mac_none_create_mbuf_linklayer }, 970 { MAC_CREATE_MBUF_FROM_BPFDESC, 971 (macop_t)mac_none_create_mbuf_from_bpfdesc }, 972 { MAC_CREATE_MBUF_FROM_IFNET, 973 (macop_t)mac_none_create_mbuf_from_ifnet }, 974 { MAC_CREATE_MBUF_MULTICAST_ENCAP, 975 (macop_t)mac_none_create_mbuf_multicast_encap }, 976 { MAC_CREATE_MBUF_NETLAYER, 977 (macop_t)mac_none_create_mbuf_netlayer }, 978 { MAC_FRAGMENT_MATCH, 979 (macop_t)mac_none_fragment_match }, 980 { MAC_RELABEL_IFNET, 981 (macop_t)mac_none_relabel_ifnet }, 982 { MAC_UPDATE_IPQ, 983 (macop_t)mac_none_update_ipq }, 984 { MAC_CREATE_CRED, 985 (macop_t)mac_none_create_cred }, 986 { MAC_EXECVE_TRANSITION, 987 (macop_t)mac_none_execve_transition }, 988 { MAC_EXECVE_WILL_TRANSITION, 989 (macop_t)mac_none_execve_will_transition }, 990 { MAC_CREATE_PROC0, 991 (macop_t)mac_none_create_proc0 }, 992 { MAC_CREATE_PROC1, 993 (macop_t)mac_none_create_proc1 }, 994 { MAC_RELABEL_CRED, 995 (macop_t)mac_none_relabel_cred }, 996 { MAC_CHECK_BPFDESC_RECEIVE, 997 (macop_t)mac_none_check_bpfdesc_receive }, 998 { MAC_CHECK_CRED_RELABEL, 999 (macop_t)mac_none_check_cred_relabel }, 1000 { MAC_CHECK_CRED_VISIBLE, 1001 (macop_t)mac_none_check_cred_visible }, 1002 { MAC_CHECK_IFNET_RELABEL, 1003 (macop_t)mac_none_check_ifnet_relabel }, 1004 { MAC_CHECK_IFNET_TRANSMIT, 1005 (macop_t)mac_none_check_ifnet_transmit }, 1006 { MAC_CHECK_MOUNT_STAT, 1007 (macop_t)mac_none_check_mount_stat }, 1008 { MAC_CHECK_PIPE_IOCTL, 1009 (macop_t)mac_none_check_pipe_ioctl }, 1010 { MAC_CHECK_PIPE_POLL, 1011 (macop_t)mac_none_check_pipe_poll }, 1012 { MAC_CHECK_PIPE_READ, 1013 (macop_t)mac_none_check_pipe_read }, 1014 { MAC_CHECK_PIPE_RELABEL, 1015 (macop_t)mac_none_check_pipe_relabel }, 1016 { MAC_CHECK_PIPE_STAT, 1017 (macop_t)mac_none_check_pipe_stat }, 1018 { MAC_CHECK_PIPE_WRITE, 1019 (macop_t)mac_none_check_pipe_write }, 1020 { MAC_CHECK_PROC_DEBUG, 1021 (macop_t)mac_none_check_proc_debug }, 1022 { MAC_CHECK_PROC_SCHED, 1023 (macop_t)mac_none_check_proc_sched }, 1024 { MAC_CHECK_PROC_SIGNAL, 1025 (macop_t)mac_none_check_proc_signal }, 1026 { MAC_CHECK_SOCKET_BIND, 1027 (macop_t)mac_none_check_socket_bind }, 1028 { MAC_CHECK_SOCKET_CONNECT, 1029 (macop_t)mac_none_check_socket_connect }, 1030 { MAC_CHECK_SOCKET_DELIVER, 1031 (macop_t)mac_none_check_socket_deliver }, 1032 { MAC_CHECK_SOCKET_LISTEN, 1033 (macop_t)mac_none_check_socket_listen }, 1034 { MAC_CHECK_SOCKET_RELABEL, 1035 (macop_t)mac_none_check_socket_relabel }, 1036 { MAC_CHECK_SOCKET_VISIBLE, 1037 (macop_t)mac_none_check_socket_visible }, 1038 { MAC_CHECK_VNODE_ACCESS, 1039 (macop_t)mac_none_check_vnode_access }, 1040 { MAC_CHECK_VNODE_CHDIR, 1041 (macop_t)mac_none_check_vnode_chdir }, 1042 { MAC_CHECK_VNODE_CHROOT, 1043 (macop_t)mac_none_check_vnode_chroot }, 1044 { MAC_CHECK_VNODE_CREATE, 1045 (macop_t)mac_none_check_vnode_create }, 1046 { MAC_CHECK_VNODE_DELETE, 1047 (macop_t)mac_none_check_vnode_delete }, 1048 { MAC_CHECK_VNODE_DELETEACL, 1049 (macop_t)mac_none_check_vnode_deleteacl }, 1050 { MAC_CHECK_VNODE_EXEC, 1051 (macop_t)mac_none_check_vnode_exec }, 1052 { MAC_CHECK_VNODE_GETACL, 1053 (macop_t)mac_none_check_vnode_getacl }, 1054 { MAC_CHECK_VNODE_GETEXTATTR, 1055 (macop_t)mac_none_check_vnode_getextattr }, 1056 { MAC_CHECK_VNODE_LINK, 1057 (macop_t)mac_none_check_vnode_link }, 1058 { MAC_CHECK_VNODE_LOOKUP, 1059 (macop_t)mac_none_check_vnode_lookup }, 1060 { MAC_CHECK_VNODE_MMAP, 1061 (macop_t)mac_none_check_vnode_mmap }, 1062 { MAC_CHECK_VNODE_MPROTECT, 1063 (macop_t)mac_none_check_vnode_mprotect }, 1064 { MAC_CHECK_VNODE_OPEN, 1065 (macop_t)mac_none_check_vnode_open }, 1066 { MAC_CHECK_VNODE_POLL, 1067 (macop_t)mac_none_check_vnode_poll }, 1068 { MAC_CHECK_VNODE_READ, 1069 (macop_t)mac_none_check_vnode_read }, 1070 { MAC_CHECK_VNODE_READDIR, 1071 (macop_t)mac_none_check_vnode_readdir }, 1072 { MAC_CHECK_VNODE_READLINK, 1073 (macop_t)mac_none_check_vnode_readlink }, 1074 { MAC_CHECK_VNODE_RELABEL, 1075 (macop_t)mac_none_check_vnode_relabel }, 1076 { MAC_CHECK_VNODE_RENAME_FROM, 1077 (macop_t)mac_none_check_vnode_rename_from }, 1078 { MAC_CHECK_VNODE_RENAME_TO, 1079 (macop_t)mac_none_check_vnode_rename_to }, 1080 { MAC_CHECK_VNODE_REVOKE, 1081 (macop_t)mac_none_check_vnode_revoke }, 1082 { MAC_CHECK_VNODE_SETACL, 1083 (macop_t)mac_none_check_vnode_setacl }, 1084 { MAC_CHECK_VNODE_SETEXTATTR, 1085 (macop_t)mac_none_check_vnode_setextattr }, 1086 { MAC_CHECK_VNODE_SETFLAGS, 1087 (macop_t)mac_none_check_vnode_setflags }, 1088 { MAC_CHECK_VNODE_SETMODE, 1089 (macop_t)mac_none_check_vnode_setmode }, 1090 { MAC_CHECK_VNODE_SETOWNER, 1091 (macop_t)mac_none_check_vnode_setowner }, 1092 { MAC_CHECK_VNODE_SETUTIMES, 1093 (macop_t)mac_none_check_vnode_setutimes }, 1094 { MAC_CHECK_VNODE_STAT, 1095 (macop_t)mac_none_check_vnode_stat }, 1096 { MAC_CHECK_VNODE_WRITE, 1097 (macop_t)mac_none_check_vnode_write }, 1098 { MAC_OP_LAST, NULL } 1099}; 1100 1101MAC_POLICY_SET(mac_none_ops, trustedbsd_mac_none, "TrustedBSD MAC/None", 1102 MPC_LOADTIME_FLAG_UNLOADOK, NULL); 1103