1 /*- 2 * Copyright (c) 1999-2002, 2007 Robert N. M. Watson 3 * Copyright (c) 2001-2005 McAfee, Inc. 4 * Copyright (c) 2006 SPARTA, Inc. 5 * All rights reserved. 6 * 7 * This software was developed by Robert Watson for the TrustedBSD Project. 8 * 9 * This software was developed for the FreeBSD Project in part by McAfee 10 * Research, the Security Research Division of McAfee, Inc. under 11 * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA 12 * CHATS research program. 13 * 14 * This software was enhanced by SPARTA ISSO under SPAWAR contract 15 * N66001-04-C-6019 ("SEFOS"). 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions 19 * are met: 20 * 1. Redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer. 22 * 2. Redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * $FreeBSD$ 39 */ 40 41 /* 42 * Developed by the TrustedBSD Project. 43 * 44 * MAC Test policy - tests MAC Framework labeling by assigning object class 45 * magic numbers to each label and validates that each time an object label 46 * is passed into the policy, it has a consistent object type, catching 47 * incorrectly passed labels, labels passed after free, etc. 48 */ 49 50 #include <sys/param.h> 51 #include <sys/acl.h> 52 #include <sys/kdb.h> 53 #include <sys/kernel.h> 54 #include <sys/ksem.h> 55 #include <sys/malloc.h> 56 #include <sys/module.h> 57 #include <sys/mount.h> 58 #include <sys/msg.h> 59 #include <sys/proc.h> 60 #include <sys/vnode.h> 61 #include <sys/sem.h> 62 #include <sys/shm.h> 63 #include <sys/socket.h> 64 #include <sys/socketvar.h> 65 #include <sys/sx.h> 66 #include <sys/sysctl.h> 67 68 #include <fs/devfs/devfs.h> 69 70 #include <net/bpfdesc.h> 71 #include <net/if.h> 72 #include <net/if_types.h> 73 #include <net/if_var.h> 74 75 #include <security/mac/mac_policy.h> 76 77 SYSCTL_DECL(_security_mac); 78 79 SYSCTL_NODE(_security_mac, OID_AUTO, test, CTLFLAG_RW, 0, 80 "TrustedBSD mac_test policy controls"); 81 82 #define MAGIC_BPF 0xfe1ad1b6 83 #define MAGIC_DEVFS 0x9ee79c32 84 #define MAGIC_IFNET 0xc218b120 85 #define MAGIC_INPCB 0x4440f7bb 86 #define MAGIC_IPQ 0x206188ef 87 #define MAGIC_MBUF 0xbbefa5bb 88 #define MAGIC_MOUNT 0xc7c46e47 89 #define MAGIC_SOCKET 0x9199c6cd 90 #define MAGIC_SYNCACHE 0x7fb838a8 91 #define MAGIC_SYSV_MSG 0x8bbba61e 92 #define MAGIC_SYSV_MSQ 0xea672391 93 #define MAGIC_SYSV_SEM 0x896e8a0b 94 #define MAGIC_SYSV_SHM 0x76119ab0 95 #define MAGIC_PIPE 0xdc6c9919 96 #define MAGIC_POSIX_SEM 0x78ae980c 97 #define MAGIC_POSIX_SHM 0x4e853fc9 98 #define MAGIC_PROC 0x3b4be98f 99 #define MAGIC_CRED 0x9a5a4987 100 #define MAGIC_VNODE 0x1a67a45c 101 #define MAGIC_FREE 0x849ba1fd 102 103 #define SLOT(x) mac_label_get((x), test_slot) 104 #define SLOT_SET(x, v) mac_label_set((x), test_slot, (v)) 105 106 static int test_slot; 107 SYSCTL_INT(_security_mac_test, OID_AUTO, slot, CTLFLAG_RD, 108 &test_slot, 0, "Slot allocated by framework"); 109 110 SYSCTL_NODE(_security_mac_test, OID_AUTO, counter, CTLFLAG_RW, 0, 111 "TrustedBSD mac_test counters controls"); 112 113 #define COUNTER_DECL(variable) \ 114 static int counter_##variable; \ 115 SYSCTL_INT(_security_mac_test_counter, OID_AUTO, variable, \ 116 CTLFLAG_RD, &counter_##variable, 0, #variable) 117 118 #define COUNTER_INC(variable) atomic_add_int(&counter_##variable, 1) 119 120 #ifdef KDB 121 #define DEBUGGER(func, string) kdb_enter(KDB_WHY_MAC, (string)) 122 #else 123 #define DEBUGGER(func, string) printf("mac_test: %s: %s\n", (func), (string)) 124 #endif 125 126 #define LABEL_CHECK(label, magic) do { \ 127 if (label != NULL) { \ 128 KASSERT(SLOT(label) == magic || SLOT(label) == 0, \ 129 ("%s: bad %s label", __func__, #magic)); \ 130 } \ 131 } while (0) 132 133 #define LABEL_DESTROY(label, magic) do { \ 134 if (SLOT(label) == magic || SLOT(label) == 0) { \ 135 SLOT_SET(label, MAGIC_FREE); \ 136 } else if (SLOT(label) == MAGIC_FREE) { \ 137 DEBUGGER("%s: dup destroy", __func__); \ 138 } else { \ 139 DEBUGGER("%s: corrupted label", __func__); \ 140 } \ 141 } while (0) 142 143 #define LABEL_INIT(label, magic) do { \ 144 SLOT_SET(label, magic); \ 145 } while (0) 146 147 #define LABEL_NOTFREE(label) do { \ 148 KASSERT(SLOT(label) != MAGIC_FREE, \ 149 ("%s: destroyed label", __func__)); \ 150 } while (0) 151 152 /* 153 * Object-specific entry point implementations are sorted alphabetically by 154 * object type name and then by operation. 155 */ 156 COUNTER_DECL(bpfdesc_check_receive); 157 static int 158 test_bpfdesc_check_receive(struct bpf_d *d, struct label *dlabel, 159 struct ifnet *ifp, struct label *ifplabel) 160 { 161 162 LABEL_CHECK(dlabel, MAGIC_BPF); 163 LABEL_CHECK(ifplabel, MAGIC_IFNET); 164 COUNTER_INC(bpfdesc_check_receive); 165 166 return (0); 167 } 168 169 COUNTER_DECL(bpfdesc_create); 170 static void 171 test_bpfdesc_create(struct ucred *cred, struct bpf_d *d, 172 struct label *dlabel) 173 { 174 175 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 176 LABEL_CHECK(dlabel, MAGIC_BPF); 177 COUNTER_INC(bpfdesc_create); 178 } 179 180 COUNTER_DECL(bpfdesc_create_mbuf); 181 static void 182 test_bpfdesc_create_mbuf(struct bpf_d *d, struct label *dlabel, 183 struct mbuf *m, struct label *mlabel) 184 { 185 186 LABEL_CHECK(dlabel, MAGIC_BPF); 187 LABEL_CHECK(mlabel, MAGIC_MBUF); 188 COUNTER_INC(bpfdesc_create_mbuf); 189 } 190 191 COUNTER_DECL(bpfdesc_destroy_label); 192 static void 193 test_bpfdesc_destroy_label(struct label *label) 194 { 195 196 LABEL_DESTROY(label, MAGIC_BPF); 197 COUNTER_INC(bpfdesc_destroy_label); 198 } 199 200 COUNTER_DECL(bpfdesc_init_label); 201 static void 202 test_bpfdesc_init_label(struct label *label) 203 { 204 205 LABEL_INIT(label, MAGIC_BPF); 206 COUNTER_INC(bpfdesc_init_label); 207 } 208 209 COUNTER_DECL(cred_check_relabel); 210 static int 211 test_cred_check_relabel(struct ucred *cred, struct label *newlabel) 212 { 213 214 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 215 LABEL_CHECK(newlabel, MAGIC_CRED); 216 COUNTER_INC(cred_check_relabel); 217 218 return (0); 219 } 220 221 COUNTER_DECL(cred_check_visible); 222 static int 223 test_cred_check_visible(struct ucred *u1, struct ucred *u2) 224 { 225 226 LABEL_CHECK(u1->cr_label, MAGIC_CRED); 227 LABEL_CHECK(u2->cr_label, MAGIC_CRED); 228 COUNTER_INC(cred_check_visible); 229 230 return (0); 231 } 232 233 COUNTER_DECL(cred_copy_label); 234 static void 235 test_cred_copy_label(struct label *src, struct label *dest) 236 { 237 238 LABEL_CHECK(src, MAGIC_CRED); 239 LABEL_CHECK(dest, MAGIC_CRED); 240 COUNTER_INC(cred_copy_label); 241 } 242 243 COUNTER_DECL(cred_destroy_label); 244 static void 245 test_cred_destroy_label(struct label *label) 246 { 247 248 LABEL_DESTROY(label, MAGIC_CRED); 249 COUNTER_INC(cred_destroy_label); 250 } 251 252 COUNTER_DECL(cred_externalize_label); 253 static int 254 test_cred_externalize_label(struct label *label, char *element_name, 255 struct sbuf *sb, int *claimed) 256 { 257 258 LABEL_CHECK(label, MAGIC_CRED); 259 COUNTER_INC(cred_externalize_label); 260 261 return (0); 262 } 263 264 COUNTER_DECL(cred_init_label); 265 static void 266 test_cred_init_label(struct label *label) 267 { 268 269 LABEL_INIT(label, MAGIC_CRED); 270 COUNTER_INC(cred_init_label); 271 } 272 273 COUNTER_DECL(cred_internalize_label); 274 static int 275 test_cred_internalize_label(struct label *label, char *element_name, 276 char *element_data, int *claimed) 277 { 278 279 LABEL_CHECK(label, MAGIC_CRED); 280 COUNTER_INC(cred_internalize_label); 281 282 return (0); 283 } 284 285 COUNTER_DECL(cred_relabel); 286 static void 287 test_cred_relabel(struct ucred *cred, struct label *newlabel) 288 { 289 290 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 291 LABEL_CHECK(newlabel, MAGIC_CRED); 292 COUNTER_INC(cred_relabel); 293 } 294 295 COUNTER_DECL(devfs_create_device); 296 static void 297 test_devfs_create_device(struct ucred *cred, struct mount *mp, 298 struct cdev *dev, struct devfs_dirent *de, struct label *delabel) 299 { 300 301 if (cred != NULL) 302 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 303 LABEL_CHECK(delabel, MAGIC_DEVFS); 304 COUNTER_INC(devfs_create_device); 305 } 306 307 COUNTER_DECL(devfs_create_directory); 308 static void 309 test_devfs_create_directory(struct mount *mp, char *dirname, 310 int dirnamelen, struct devfs_dirent *de, struct label *delabel) 311 { 312 313 LABEL_CHECK(delabel, MAGIC_DEVFS); 314 COUNTER_INC(devfs_create_directory); 315 } 316 317 COUNTER_DECL(devfs_create_symlink); 318 static void 319 test_devfs_create_symlink(struct ucred *cred, struct mount *mp, 320 struct devfs_dirent *dd, struct label *ddlabel, struct devfs_dirent *de, 321 struct label *delabel) 322 { 323 324 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 325 LABEL_CHECK(ddlabel, MAGIC_DEVFS); 326 LABEL_CHECK(delabel, MAGIC_DEVFS); 327 COUNTER_INC(devfs_create_symlink); 328 } 329 330 COUNTER_DECL(devfs_destroy_label); 331 static void 332 test_devfs_destroy_label(struct label *label) 333 { 334 335 LABEL_DESTROY(label, MAGIC_DEVFS); 336 COUNTER_INC(devfs_destroy_label); 337 } 338 339 COUNTER_DECL(devfs_init_label); 340 static void 341 test_devfs_init_label(struct label *label) 342 { 343 344 LABEL_INIT(label, MAGIC_DEVFS); 345 COUNTER_INC(devfs_init_label); 346 } 347 348 COUNTER_DECL(devfs_update); 349 static void 350 test_devfs_update(struct mount *mp, struct devfs_dirent *devfs_dirent, 351 struct label *direntlabel, struct vnode *vp, struct label *vplabel) 352 { 353 354 LABEL_CHECK(direntlabel, MAGIC_DEVFS); 355 LABEL_CHECK(vplabel, MAGIC_VNODE); 356 COUNTER_INC(devfs_update); 357 } 358 359 COUNTER_DECL(devfs_vnode_associate); 360 static void 361 test_devfs_vnode_associate(struct mount *mp, struct label *mplabel, 362 struct devfs_dirent *de, struct label *delabel, struct vnode *vp, 363 struct label *vplabel) 364 { 365 366 LABEL_CHECK(mplabel, MAGIC_MOUNT); 367 LABEL_CHECK(delabel, MAGIC_DEVFS); 368 LABEL_CHECK(vplabel, MAGIC_VNODE); 369 COUNTER_INC(devfs_vnode_associate); 370 } 371 372 COUNTER_DECL(ifnet_check_relabel); 373 static int 374 test_ifnet_check_relabel(struct ucred *cred, struct ifnet *ifp, 375 struct label *ifplabel, struct label *newlabel) 376 { 377 378 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 379 LABEL_CHECK(ifplabel, MAGIC_IFNET); 380 LABEL_CHECK(newlabel, MAGIC_IFNET); 381 COUNTER_INC(ifnet_check_relabel); 382 383 return (0); 384 } 385 386 COUNTER_DECL(ifnet_check_transmit); 387 static int 388 test_ifnet_check_transmit(struct ifnet *ifp, struct label *ifplabel, 389 struct mbuf *m, struct label *mlabel) 390 { 391 392 LABEL_CHECK(ifplabel, MAGIC_IFNET); 393 LABEL_CHECK(mlabel, MAGIC_MBUF); 394 COUNTER_INC(ifnet_check_transmit); 395 396 return (0); 397 } 398 399 COUNTER_DECL(ifnet_copy_label); 400 static void 401 test_ifnet_copy_label(struct label *src, struct label *dest) 402 { 403 404 LABEL_CHECK(src, MAGIC_IFNET); 405 LABEL_CHECK(dest, MAGIC_IFNET); 406 COUNTER_INC(ifnet_copy_label); 407 } 408 409 COUNTER_DECL(ifnet_create); 410 static void 411 test_ifnet_create(struct ifnet *ifp, struct label *ifplabel) 412 { 413 414 LABEL_CHECK(ifplabel, MAGIC_IFNET); 415 COUNTER_INC(ifnet_create); 416 } 417 418 COUNTER_DECL(ifnet_create_mbuf); 419 static void 420 test_ifnet_create_mbuf(struct ifnet *ifp, struct label *ifplabel, 421 struct mbuf *m, struct label *mlabel) 422 { 423 424 LABEL_CHECK(ifplabel, MAGIC_IFNET); 425 LABEL_CHECK(mlabel, MAGIC_MBUF); 426 COUNTER_INC(ifnet_create_mbuf); 427 } 428 429 COUNTER_DECL(ifnet_destroy_label); 430 static void 431 test_ifnet_destroy_label(struct label *label) 432 { 433 434 LABEL_DESTROY(label, MAGIC_IFNET); 435 COUNTER_INC(ifnet_destroy_label); 436 } 437 438 COUNTER_DECL(ifnet_externalize_label); 439 static int 440 test_ifnet_externalize_label(struct label *label, char *element_name, 441 struct sbuf *sb, int *claimed) 442 { 443 444 LABEL_CHECK(label, MAGIC_IFNET); 445 COUNTER_INC(ifnet_externalize_label); 446 447 return (0); 448 } 449 450 COUNTER_DECL(ifnet_init_label); 451 static void 452 test_ifnet_init_label(struct label *label) 453 { 454 455 LABEL_INIT(label, MAGIC_IFNET); 456 COUNTER_INC(ifnet_init_label); 457 } 458 459 COUNTER_DECL(ifnet_internalize_label); 460 static int 461 test_ifnet_internalize_label(struct label *label, char *element_name, 462 char *element_data, int *claimed) 463 { 464 465 LABEL_CHECK(label, MAGIC_IFNET); 466 COUNTER_INC(ifnet_internalize_label); 467 468 return (0); 469 } 470 471 COUNTER_DECL(ifnet_relabel); 472 static void 473 test_ifnet_relabel(struct ucred *cred, struct ifnet *ifp, 474 struct label *ifplabel, struct label *newlabel) 475 { 476 477 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 478 LABEL_CHECK(ifplabel, MAGIC_IFNET); 479 LABEL_CHECK(newlabel, MAGIC_IFNET); 480 COUNTER_INC(ifnet_relabel); 481 } 482 483 COUNTER_DECL(inpcb_check_deliver); 484 static int 485 test_inpcb_check_deliver(struct inpcb *inp, struct label *inplabel, 486 struct mbuf *m, struct label *mlabel) 487 { 488 489 LABEL_CHECK(inplabel, MAGIC_INPCB); 490 LABEL_CHECK(mlabel, MAGIC_MBUF); 491 COUNTER_INC(inpcb_check_deliver); 492 493 return (0); 494 } 495 496 COUNTER_DECL(inpcb_create); 497 static void 498 test_inpcb_create(struct socket *so, struct label *solabel, 499 struct inpcb *inp, struct label *inplabel) 500 { 501 502 LABEL_CHECK(solabel, MAGIC_SOCKET); 503 LABEL_CHECK(inplabel, MAGIC_INPCB); 504 COUNTER_INC(inpcb_create); 505 } 506 507 COUNTER_DECL(inpcb_create_mbuf); 508 static void 509 test_inpcb_create_mbuf(struct inpcb *inp, struct label *inplabel, 510 struct mbuf *m, struct label *mlabel) 511 { 512 513 LABEL_CHECK(inplabel, MAGIC_INPCB); 514 LABEL_CHECK(mlabel, MAGIC_MBUF); 515 COUNTER_INC(inpcb_create_mbuf); 516 } 517 518 COUNTER_DECL(inpcb_destroy_label); 519 static void 520 test_inpcb_destroy_label(struct label *label) 521 { 522 523 LABEL_DESTROY(label, MAGIC_INPCB); 524 COUNTER_INC(inpcb_destroy_label); 525 } 526 527 COUNTER_DECL(inpcb_init_label); 528 static int 529 test_inpcb_init_label(struct label *label, int flag) 530 { 531 532 if (flag & M_WAITOK) 533 WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL, 534 "test_inpcb_init_label() at %s:%d", __FILE__, 535 __LINE__); 536 537 LABEL_INIT(label, MAGIC_INPCB); 538 COUNTER_INC(inpcb_init_label); 539 return (0); 540 } 541 542 COUNTER_DECL(inpcb_sosetlabel); 543 static void 544 test_inpcb_sosetlabel(struct socket *so, struct label *solabel, 545 struct inpcb *inp, struct label *inplabel) 546 { 547 548 LABEL_CHECK(solabel, MAGIC_SOCKET); 549 LABEL_CHECK(inplabel, MAGIC_INPCB); 550 COUNTER_INC(inpcb_sosetlabel); 551 } 552 553 COUNTER_DECL(ipq_create); 554 static void 555 test_ipq_create(struct mbuf *fragment, struct label *fragmentlabel, 556 struct ipq *q, struct label *qlabel) 557 { 558 559 LABEL_CHECK(fragmentlabel, MAGIC_MBUF); 560 LABEL_CHECK(qlabel, MAGIC_IPQ); 561 COUNTER_INC(ipq_create); 562 } 563 564 COUNTER_DECL(ipq_destroy_label); 565 static void 566 test_ipq_destroy_label(struct label *label) 567 { 568 569 LABEL_DESTROY(label, MAGIC_IPQ); 570 COUNTER_INC(ipq_destroy_label); 571 } 572 573 COUNTER_DECL(ipq_init_label); 574 static int 575 test_ipq_init_label(struct label *label, int flag) 576 { 577 578 if (flag & M_WAITOK) 579 WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL, 580 "test_ipq_init_label() at %s:%d", __FILE__, 581 __LINE__); 582 583 LABEL_INIT(label, MAGIC_IPQ); 584 COUNTER_INC(ipq_init_label); 585 return (0); 586 } 587 588 COUNTER_DECL(ipq_match); 589 static int 590 test_ipq_match(struct mbuf *fragment, struct label *fragmentlabel, 591 struct ipq *q, struct label *qlabel) 592 { 593 594 LABEL_CHECK(fragmentlabel, MAGIC_MBUF); 595 LABEL_CHECK(qlabel, MAGIC_IPQ); 596 COUNTER_INC(ipq_match); 597 598 return (1); 599 } 600 601 COUNTER_DECL(ipq_reassemble); 602 static void 603 test_ipq_reassemble(struct ipq *q, struct label *qlabel, struct mbuf *m, 604 struct label *mlabel) 605 { 606 607 LABEL_CHECK(qlabel, MAGIC_IPQ); 608 LABEL_CHECK(mlabel, MAGIC_MBUF); 609 COUNTER_INC(ipq_reassemble); 610 } 611 612 COUNTER_DECL(ipq_update); 613 static void 614 test_ipq_update(struct mbuf *m, struct label *mlabel, struct ipq *q, 615 struct label *qlabel) 616 { 617 618 LABEL_CHECK(mlabel, MAGIC_MBUF); 619 LABEL_CHECK(qlabel, MAGIC_IPQ); 620 COUNTER_INC(ipq_update); 621 } 622 623 COUNTER_DECL(kenv_check_dump); 624 static int 625 test_kenv_check_dump(struct ucred *cred) 626 { 627 628 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 629 COUNTER_INC(kenv_check_dump); 630 631 return (0); 632 } 633 634 COUNTER_DECL(kenv_check_get); 635 static int 636 test_kenv_check_get(struct ucred *cred, char *name) 637 { 638 639 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 640 COUNTER_INC(kenv_check_get); 641 642 return (0); 643 } 644 645 COUNTER_DECL(kenv_check_set); 646 static int 647 test_kenv_check_set(struct ucred *cred, char *name, char *value) 648 { 649 650 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 651 COUNTER_INC(kenv_check_set); 652 653 return (0); 654 } 655 656 COUNTER_DECL(kenv_check_unset); 657 static int 658 test_kenv_check_unset(struct ucred *cred, char *name) 659 { 660 661 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 662 COUNTER_INC(kenv_check_unset); 663 664 return (0); 665 } 666 667 COUNTER_DECL(kld_check_load); 668 static int 669 test_kld_check_load(struct ucred *cred, struct vnode *vp, 670 struct label *label) 671 { 672 673 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 674 LABEL_CHECK(label, MAGIC_VNODE); 675 COUNTER_INC(kld_check_load); 676 677 return (0); 678 } 679 680 COUNTER_DECL(kld_check_stat); 681 static int 682 test_kld_check_stat(struct ucred *cred) 683 { 684 685 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 686 COUNTER_INC(kld_check_stat); 687 688 return (0); 689 } 690 691 COUNTER_DECL(mbuf_copy_label); 692 static void 693 test_mbuf_copy_label(struct label *src, struct label *dest) 694 { 695 696 LABEL_CHECK(src, MAGIC_MBUF); 697 LABEL_CHECK(dest, MAGIC_MBUF); 698 COUNTER_INC(mbuf_copy_label); 699 } 700 701 COUNTER_DECL(mbuf_destroy_label); 702 static void 703 test_mbuf_destroy_label(struct label *label) 704 { 705 706 /* 707 * If we're loaded dynamically, there may be mbufs in flight that 708 * didn't have label storage allocated for them. Handle this 709 * gracefully. 710 */ 711 if (label == NULL) 712 return; 713 714 LABEL_DESTROY(label, MAGIC_MBUF); 715 COUNTER_INC(mbuf_destroy_label); 716 } 717 718 COUNTER_DECL(mbuf_init_label); 719 static int 720 test_mbuf_init_label(struct label *label, int flag) 721 { 722 723 if (flag & M_WAITOK) 724 WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL, 725 "test_mbuf_init_label() at %s:%d", __FILE__, 726 __LINE__); 727 728 LABEL_INIT(label, MAGIC_MBUF); 729 COUNTER_INC(mbuf_init_label); 730 return (0); 731 } 732 733 COUNTER_DECL(mount_check_stat); 734 static int 735 test_mount_check_stat(struct ucred *cred, struct mount *mp, 736 struct label *mplabel) 737 { 738 739 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 740 LABEL_CHECK(mplabel, MAGIC_MOUNT); 741 COUNTER_INC(mount_check_stat); 742 743 return (0); 744 } 745 746 COUNTER_DECL(mount_create); 747 static void 748 test_mount_create(struct ucred *cred, struct mount *mp, 749 struct label *mplabel) 750 { 751 752 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 753 LABEL_CHECK(mplabel, MAGIC_MOUNT); 754 COUNTER_INC(mount_create); 755 } 756 757 COUNTER_DECL(mount_destroy_label); 758 static void 759 test_mount_destroy_label(struct label *label) 760 { 761 762 LABEL_DESTROY(label, MAGIC_MOUNT); 763 COUNTER_INC(mount_destroy_label); 764 } 765 766 COUNTER_DECL(mount_init_label); 767 static void 768 test_mount_init_label(struct label *label) 769 { 770 771 LABEL_INIT(label, MAGIC_MOUNT); 772 COUNTER_INC(mount_init_label); 773 } 774 775 COUNTER_DECL(netatalk_aarp_send); 776 static void 777 test_netatalk_aarp_send(struct ifnet *ifp, struct label *ifplabel, 778 struct mbuf *m, struct label *mlabel) 779 { 780 781 LABEL_CHECK(ifplabel, MAGIC_IFNET); 782 LABEL_CHECK(mlabel, MAGIC_MBUF); 783 COUNTER_INC(netatalk_aarp_send); 784 } 785 786 COUNTER_DECL(netinet_arp_send); 787 static void 788 test_netinet_arp_send(struct ifnet *ifp, struct label *ifplabel, 789 struct mbuf *m, struct label *mlabel) 790 { 791 792 LABEL_CHECK(ifplabel, MAGIC_IFNET); 793 LABEL_CHECK(mlabel, MAGIC_MBUF); 794 COUNTER_INC(netinet_arp_send); 795 } 796 797 COUNTER_DECL(netinet_fragment); 798 static void 799 test_netinet_fragment(struct mbuf *m, struct label *mlabel, 800 struct mbuf *frag, struct label *fraglabel) 801 { 802 803 LABEL_CHECK(mlabel, MAGIC_MBUF); 804 LABEL_CHECK(fraglabel, MAGIC_MBUF); 805 COUNTER_INC(netinet_fragment); 806 } 807 808 COUNTER_DECL(netinet_icmp_reply); 809 static void 810 test_netinet_icmp_reply(struct mbuf *mrecv, struct label *mrecvlabel, 811 struct mbuf *msend, struct label *msendlabel) 812 { 813 814 LABEL_CHECK(mrecvlabel, MAGIC_MBUF); 815 LABEL_CHECK(msendlabel, MAGIC_MBUF); 816 COUNTER_INC(netinet_icmp_reply); 817 } 818 819 COUNTER_DECL(netinet_icmp_replyinplace); 820 static void 821 test_netinet_icmp_replyinplace(struct mbuf *m, struct label *mlabel) 822 { 823 824 LABEL_CHECK(mlabel, MAGIC_MBUF); 825 COUNTER_INC(netinet_icmp_replyinplace); 826 } 827 828 COUNTER_DECL(netinet_igmp_send); 829 static void 830 test_netinet_igmp_send(struct ifnet *ifp, struct label *ifplabel, 831 struct mbuf *m, struct label *mlabel) 832 { 833 834 LABEL_CHECK(ifplabel, MAGIC_IFNET); 835 LABEL_CHECK(mlabel, MAGIC_MBUF); 836 COUNTER_INC(netinet_igmp_send); 837 } 838 839 COUNTER_DECL(netinet_tcp_reply); 840 static void 841 test_netinet_tcp_reply(struct mbuf *m, struct label *mlabel) 842 { 843 844 LABEL_CHECK(mlabel, MAGIC_MBUF); 845 COUNTER_INC(netinet_tcp_reply); 846 } 847 848 COUNTER_DECL(netinet6_nd6_send); 849 static void 850 test_netinet6_nd6_send(struct ifnet *ifp, struct label *ifplabel, 851 struct mbuf *m, struct label *mlabel) 852 { 853 854 LABEL_CHECK(ifplabel, MAGIC_IFNET); 855 LABEL_CHECK(mlabel, MAGIC_MBUF); 856 COUNTER_INC(netinet6_nd6_send); 857 } 858 859 COUNTER_DECL(pipe_check_ioctl); 860 static int 861 test_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp, 862 struct label *pplabel, unsigned long cmd, void /* caddr_t */ *data) 863 { 864 865 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 866 LABEL_CHECK(pplabel, MAGIC_PIPE); 867 COUNTER_INC(pipe_check_ioctl); 868 869 return (0); 870 } 871 872 COUNTER_DECL(pipe_check_poll); 873 static int 874 test_pipe_check_poll(struct ucred *cred, struct pipepair *pp, 875 struct label *pplabel) 876 { 877 878 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 879 LABEL_CHECK(pplabel, MAGIC_PIPE); 880 COUNTER_INC(pipe_check_poll); 881 882 return (0); 883 } 884 885 COUNTER_DECL(pipe_check_read); 886 static int 887 test_pipe_check_read(struct ucred *cred, struct pipepair *pp, 888 struct label *pplabel) 889 { 890 891 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 892 LABEL_CHECK(pplabel, MAGIC_PIPE); 893 COUNTER_INC(pipe_check_read); 894 895 return (0); 896 } 897 898 COUNTER_DECL(pipe_check_relabel); 899 static int 900 test_pipe_check_relabel(struct ucred *cred, struct pipepair *pp, 901 struct label *pplabel, struct label *newlabel) 902 { 903 904 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 905 LABEL_CHECK(pplabel, MAGIC_PIPE); 906 LABEL_CHECK(newlabel, MAGIC_PIPE); 907 COUNTER_INC(pipe_check_relabel); 908 909 return (0); 910 } 911 912 COUNTER_DECL(pipe_check_stat); 913 static int 914 test_pipe_check_stat(struct ucred *cred, struct pipepair *pp, 915 struct label *pplabel) 916 { 917 918 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 919 LABEL_CHECK(pplabel, MAGIC_PIPE); 920 COUNTER_INC(pipe_check_stat); 921 922 return (0); 923 } 924 925 COUNTER_DECL(pipe_check_write); 926 static int 927 test_pipe_check_write(struct ucred *cred, struct pipepair *pp, 928 struct label *pplabel) 929 { 930 931 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 932 LABEL_CHECK(pplabel, MAGIC_PIPE); 933 COUNTER_INC(pipe_check_write); 934 935 return (0); 936 } 937 938 COUNTER_DECL(pipe_copy_label); 939 static void 940 test_pipe_copy_label(struct label *src, struct label *dest) 941 { 942 943 LABEL_CHECK(src, MAGIC_PIPE); 944 LABEL_CHECK(dest, MAGIC_PIPE); 945 COUNTER_INC(pipe_copy_label); 946 } 947 948 COUNTER_DECL(pipe_create); 949 static void 950 test_pipe_create(struct ucred *cred, struct pipepair *pp, 951 struct label *pplabel) 952 { 953 954 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 955 LABEL_CHECK(pplabel, MAGIC_PIPE); 956 COUNTER_INC(pipe_create); 957 } 958 959 COUNTER_DECL(pipe_destroy_label); 960 static void 961 test_pipe_destroy_label(struct label *label) 962 { 963 964 LABEL_DESTROY(label, MAGIC_PIPE); 965 COUNTER_INC(pipe_destroy_label); 966 } 967 968 COUNTER_DECL(pipe_externalize_label); 969 static int 970 test_pipe_externalize_label(struct label *label, char *element_name, 971 struct sbuf *sb, int *claimed) 972 { 973 974 LABEL_CHECK(label, MAGIC_PIPE); 975 COUNTER_INC(pipe_externalize_label); 976 977 return (0); 978 } 979 980 COUNTER_DECL(pipe_init_label); 981 static void 982 test_pipe_init_label(struct label *label) 983 { 984 985 LABEL_INIT(label, MAGIC_PIPE); 986 COUNTER_INC(pipe_init_label); 987 } 988 989 COUNTER_DECL(pipe_internalize_label); 990 static int 991 test_pipe_internalize_label(struct label *label, char *element_name, 992 char *element_data, int *claimed) 993 { 994 995 LABEL_CHECK(label, MAGIC_PIPE); 996 COUNTER_INC(pipe_internalize_label); 997 998 return (0); 999 } 1000 1001 COUNTER_DECL(pipe_relabel); 1002 static void 1003 test_pipe_relabel(struct ucred *cred, struct pipepair *pp, 1004 struct label *pplabel, struct label *newlabel) 1005 { 1006 1007 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1008 LABEL_CHECK(pplabel, MAGIC_PIPE); 1009 LABEL_CHECK(newlabel, MAGIC_PIPE); 1010 COUNTER_INC(pipe_relabel); 1011 } 1012 1013 COUNTER_DECL(posixsem_check_getvalue); 1014 static int 1015 test_posixsem_check_getvalue(struct ucred *active_cred, struct ucred *file_cred, 1016 struct ksem *ks, struct label *kslabel) 1017 { 1018 1019 LABEL_CHECK(active_cred->cr_label, MAGIC_CRED); 1020 LABEL_CHECK(file_cred->cr_label, MAGIC_CRED); 1021 LABEL_CHECK(kslabel, MAGIC_POSIX_SEM); 1022 COUNTER_INC(posixsem_check_getvalue); 1023 1024 return (0); 1025 } 1026 1027 COUNTER_DECL(posixsem_check_open); 1028 static int 1029 test_posixsem_check_open(struct ucred *cred, struct ksem *ks, 1030 struct label *kslabel) 1031 { 1032 1033 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1034 LABEL_CHECK(kslabel, MAGIC_POSIX_SEM); 1035 COUNTER_INC(posixsem_check_open); 1036 1037 return (0); 1038 } 1039 1040 COUNTER_DECL(posixsem_check_post); 1041 static int 1042 test_posixsem_check_post(struct ucred *active_cred, struct ucred *file_cred, 1043 struct ksem *ks, struct label *kslabel) 1044 { 1045 1046 LABEL_CHECK(active_cred->cr_label, MAGIC_CRED); 1047 LABEL_CHECK(file_cred->cr_label, MAGIC_CRED); 1048 LABEL_CHECK(kslabel, MAGIC_POSIX_SEM); 1049 COUNTER_INC(posixsem_check_post); 1050 1051 return (0); 1052 } 1053 1054 COUNTER_DECL(posixsem_check_stat); 1055 static int 1056 test_posixsem_check_stat(struct ucred *active_cred, 1057 struct ucred *file_cred, struct ksem *ks, struct label *kslabel) 1058 { 1059 1060 LABEL_CHECK(active_cred->cr_label, MAGIC_CRED); 1061 LABEL_CHECK(file_cred->cr_label, MAGIC_CRED); 1062 LABEL_CHECK(kslabel, MAGIC_POSIX_SEM); 1063 COUNTER_INC(posixsem_check_stat); 1064 return (0); 1065 } 1066 1067 COUNTER_DECL(posixsem_check_unlink); 1068 static int 1069 test_posixsem_check_unlink(struct ucred *cred, struct ksem *ks, 1070 struct label *kslabel) 1071 { 1072 1073 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1074 LABEL_CHECK(kslabel, MAGIC_POSIX_SEM); 1075 COUNTER_INC(posixsem_check_unlink); 1076 1077 return (0); 1078 } 1079 1080 COUNTER_DECL(posixsem_check_wait); 1081 static int 1082 test_posixsem_check_wait(struct ucred *active_cred, struct ucred *file_cred, 1083 struct ksem *ks, struct label *kslabel) 1084 { 1085 1086 LABEL_CHECK(active_cred->cr_label, MAGIC_CRED); 1087 LABEL_CHECK(file_cred->cr_label, MAGIC_CRED); 1088 LABEL_CHECK(kslabel, MAGIC_POSIX_SEM); 1089 COUNTER_INC(posixsem_check_wait); 1090 1091 return (0); 1092 } 1093 1094 COUNTER_DECL(posixsem_create); 1095 static void 1096 test_posixsem_create(struct ucred *cred, struct ksem *ks, 1097 struct label *kslabel) 1098 { 1099 1100 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1101 LABEL_CHECK(kslabel, MAGIC_POSIX_SEM); 1102 COUNTER_INC(posixsem_create); 1103 } 1104 1105 COUNTER_DECL(posixsem_destroy_label); 1106 static void 1107 test_posixsem_destroy_label(struct label *label) 1108 { 1109 1110 LABEL_DESTROY(label, MAGIC_POSIX_SEM); 1111 COUNTER_INC(posixsem_destroy_label); 1112 } 1113 1114 COUNTER_DECL(posixsem_init_label); 1115 static void 1116 test_posixsem_init_label(struct label *label) 1117 { 1118 1119 LABEL_INIT(label, MAGIC_POSIX_SEM); 1120 COUNTER_INC(posixsem_init_label); 1121 } 1122 1123 COUNTER_DECL(posixshm_check_mmap); 1124 static int 1125 test_posixshm_check_mmap(struct ucred *cred, struct shmfd *shmfd, 1126 struct label *shmfdlabel, int prot, int flags) 1127 { 1128 1129 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1130 LABEL_CHECK(shmfdlabel, MAGIC_POSIX_SHM); 1131 COUNTER_INC(posixshm_check_mmap); 1132 return (0); 1133 } 1134 1135 COUNTER_DECL(posixshm_check_open); 1136 static int 1137 test_posixshm_check_open(struct ucred *cred, struct shmfd *shmfd, 1138 struct label *shmfdlabel) 1139 { 1140 1141 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1142 LABEL_CHECK(shmfdlabel, MAGIC_POSIX_SHM); 1143 COUNTER_INC(posixshm_check_open); 1144 return (0); 1145 } 1146 1147 COUNTER_DECL(posixshm_check_stat); 1148 static int 1149 test_posixshm_check_stat(struct ucred *active_cred, 1150 struct ucred *file_cred, struct shmfd *shmfd, struct label *shmfdlabel) 1151 { 1152 1153 LABEL_CHECK(active_cred->cr_label, MAGIC_CRED); 1154 LABEL_CHECK(file_cred->cr_label, MAGIC_CRED); 1155 LABEL_CHECK(shmfdlabel, MAGIC_POSIX_SHM); 1156 COUNTER_INC(posixshm_check_stat); 1157 return (0); 1158 } 1159 1160 COUNTER_DECL(posixshm_check_truncate); 1161 static int 1162 test_posixshm_check_truncate(struct ucred *active_cred, 1163 struct ucred *file_cred, struct shmfd *shmfd, struct label *shmfdlabel) 1164 { 1165 1166 LABEL_CHECK(active_cred->cr_label, MAGIC_CRED); 1167 LABEL_CHECK(file_cred->cr_label, MAGIC_CRED); 1168 LABEL_CHECK(shmfdlabel, MAGIC_POSIX_SHM); 1169 COUNTER_INC(posixshm_check_truncate); 1170 return (0); 1171 } 1172 1173 COUNTER_DECL(posixshm_check_unlink); 1174 static int 1175 test_posixshm_check_unlink(struct ucred *cred, struct shmfd *shmfd, 1176 struct label *shmfdlabel) 1177 { 1178 1179 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1180 LABEL_CHECK(shmfdlabel, MAGIC_POSIX_SHM); 1181 COUNTER_INC(posixshm_check_unlink); 1182 return (0); 1183 } 1184 1185 COUNTER_DECL(posixshm_create); 1186 static void 1187 test_posixshm_create(struct ucred *cred, struct shmfd *shmfd, 1188 struct label *shmfdlabel) 1189 { 1190 1191 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1192 LABEL_CHECK(shmfdlabel, MAGIC_POSIX_SHM); 1193 COUNTER_INC(posixshm_create); 1194 } 1195 1196 COUNTER_DECL(posixshm_destroy_label); 1197 static void 1198 test_posixshm_destroy_label(struct label *label) 1199 { 1200 1201 LABEL_DESTROY(label, MAGIC_POSIX_SHM); 1202 COUNTER_INC(posixshm_destroy_label); 1203 } 1204 1205 COUNTER_DECL(posixshm_init_label); 1206 static void 1207 test_posixshm_init_label(struct label *label) 1208 { 1209 1210 LABEL_INIT(label, MAGIC_POSIX_SHM); 1211 COUNTER_INC(posixshm_init_label); 1212 } 1213 1214 COUNTER_DECL(proc_check_debug); 1215 static int 1216 test_proc_check_debug(struct ucred *cred, struct proc *p) 1217 { 1218 1219 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1220 LABEL_CHECK(p->p_ucred->cr_label, MAGIC_CRED); 1221 COUNTER_INC(proc_check_debug); 1222 1223 return (0); 1224 } 1225 1226 COUNTER_DECL(proc_check_sched); 1227 static int 1228 test_proc_check_sched(struct ucred *cred, struct proc *p) 1229 { 1230 1231 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1232 LABEL_CHECK(p->p_ucred->cr_label, MAGIC_CRED); 1233 COUNTER_INC(proc_check_sched); 1234 1235 return (0); 1236 } 1237 1238 COUNTER_DECL(proc_check_signal); 1239 static int 1240 test_proc_check_signal(struct ucred *cred, struct proc *p, int signum) 1241 { 1242 1243 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1244 LABEL_CHECK(p->p_ucred->cr_label, MAGIC_CRED); 1245 COUNTER_INC(proc_check_signal); 1246 1247 return (0); 1248 } 1249 1250 COUNTER_DECL(proc_check_setaudit); 1251 static int 1252 test_proc_check_setaudit(struct ucred *cred, struct auditinfo *ai) 1253 { 1254 1255 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1256 COUNTER_INC(proc_check_setaudit); 1257 1258 return (0); 1259 } 1260 1261 COUNTER_DECL(proc_check_setaudit_addr); 1262 static int 1263 test_proc_check_setaudit_addr(struct ucred *cred, 1264 struct auditinfo_addr *aia) 1265 { 1266 1267 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1268 COUNTER_INC(proc_check_setaudit_addr); 1269 1270 return (0); 1271 } 1272 1273 COUNTER_DECL(proc_check_setauid); 1274 static int 1275 test_proc_check_setauid(struct ucred *cred, uid_t auid) 1276 { 1277 1278 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1279 COUNTER_INC(proc_check_setauid); 1280 1281 return (0); 1282 } 1283 1284 COUNTER_DECL(proc_check_setegid); 1285 static int 1286 test_proc_check_setegid(struct ucred *cred, gid_t egid) 1287 { 1288 1289 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1290 COUNTER_INC(proc_check_setegid); 1291 1292 return (0); 1293 } 1294 1295 COUNTER_DECL(proc_check_euid); 1296 static int 1297 test_proc_check_seteuid(struct ucred *cred, uid_t euid) 1298 { 1299 1300 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1301 COUNTER_INC(proc_check_euid); 1302 1303 return (0); 1304 } 1305 1306 COUNTER_DECL(proc_check_setregid); 1307 static int 1308 test_proc_check_setregid(struct ucred *cred, gid_t rgid, gid_t egid) 1309 { 1310 1311 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1312 COUNTER_INC(proc_check_setregid); 1313 1314 return (0); 1315 } 1316 1317 COUNTER_DECL(proc_check_setreuid); 1318 static int 1319 test_proc_check_setreuid(struct ucred *cred, uid_t ruid, uid_t euid) 1320 { 1321 1322 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1323 COUNTER_INC(proc_check_setreuid); 1324 1325 return (0); 1326 } 1327 1328 COUNTER_DECL(proc_check_setgid); 1329 static int 1330 test_proc_check_setgid(struct ucred *cred, gid_t gid) 1331 { 1332 1333 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1334 COUNTER_INC(proc_check_setgid); 1335 1336 return (0); 1337 } 1338 1339 COUNTER_DECL(proc_check_setgroups); 1340 static int 1341 test_proc_check_setgroups(struct ucred *cred, int ngroups, 1342 gid_t *gidset) 1343 { 1344 1345 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1346 COUNTER_INC(proc_check_setgroups); 1347 1348 return (0); 1349 } 1350 1351 COUNTER_DECL(proc_check_setresgid); 1352 static int 1353 test_proc_check_setresgid(struct ucred *cred, gid_t rgid, gid_t egid, 1354 gid_t sgid) 1355 { 1356 1357 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1358 COUNTER_INC(proc_check_setresgid); 1359 1360 return (0); 1361 } 1362 1363 COUNTER_DECL(proc_check_setresuid); 1364 static int 1365 test_proc_check_setresuid(struct ucred *cred, uid_t ruid, uid_t euid, 1366 uid_t suid) 1367 { 1368 1369 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1370 COUNTER_INC(proc_check_setresuid); 1371 1372 return (0); 1373 } 1374 1375 COUNTER_DECL(proc_check_setuid); 1376 static int 1377 test_proc_check_setuid(struct ucred *cred, uid_t uid) 1378 { 1379 1380 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1381 COUNTER_INC(proc_check_setuid); 1382 1383 return (0); 1384 } 1385 1386 COUNTER_DECL(proc_check_wait); 1387 static int 1388 test_proc_check_wait(struct ucred *cred, struct proc *p) 1389 { 1390 1391 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1392 LABEL_CHECK(p->p_ucred->cr_label, MAGIC_CRED); 1393 COUNTER_INC(proc_check_wait); 1394 1395 return (0); 1396 } 1397 1398 COUNTER_DECL(proc_create_init); 1399 static void 1400 test_proc_create_init(struct ucred *cred) 1401 { 1402 1403 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1404 COUNTER_INC(proc_create_init); 1405 } 1406 1407 COUNTER_DECL(proc_create_swapper); 1408 static void 1409 test_proc_create_swapper(struct ucred *cred) 1410 { 1411 1412 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1413 COUNTER_INC(proc_create_swapper); 1414 } 1415 1416 COUNTER_DECL(proc_destroy_label); 1417 static void 1418 test_proc_destroy_label(struct label *label) 1419 { 1420 1421 LABEL_DESTROY(label, MAGIC_PROC); 1422 COUNTER_INC(proc_destroy_label); 1423 } 1424 1425 COUNTER_DECL(proc_init_label); 1426 static void 1427 test_proc_init_label(struct label *label) 1428 { 1429 1430 LABEL_INIT(label, MAGIC_PROC); 1431 COUNTER_INC(proc_init_label); 1432 } 1433 1434 COUNTER_DECL(socket_check_accept); 1435 static int 1436 test_socket_check_accept(struct ucred *cred, struct socket *so, 1437 struct label *solabel) 1438 { 1439 1440 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1441 LABEL_CHECK(solabel, MAGIC_SOCKET); 1442 COUNTER_INC(socket_check_accept); 1443 1444 return (0); 1445 } 1446 1447 COUNTER_DECL(socket_check_bind); 1448 static int 1449 test_socket_check_bind(struct ucred *cred, struct socket *so, 1450 struct label *solabel, struct sockaddr *sa) 1451 { 1452 1453 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1454 LABEL_CHECK(solabel, MAGIC_SOCKET); 1455 COUNTER_INC(socket_check_bind); 1456 1457 return (0); 1458 } 1459 1460 COUNTER_DECL(socket_check_connect); 1461 static int 1462 test_socket_check_connect(struct ucred *cred, struct socket *so, 1463 struct label *solabel, struct sockaddr *sa) 1464 { 1465 1466 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1467 LABEL_CHECK(solabel, MAGIC_SOCKET); 1468 COUNTER_INC(socket_check_connect); 1469 1470 return (0); 1471 } 1472 1473 COUNTER_DECL(socket_check_deliver); 1474 static int 1475 test_socket_check_deliver(struct socket *so, struct label *solabel, 1476 struct mbuf *m, struct label *mlabel) 1477 { 1478 1479 LABEL_CHECK(solabel, MAGIC_SOCKET); 1480 LABEL_CHECK(mlabel, MAGIC_MBUF); 1481 COUNTER_INC(socket_check_deliver); 1482 1483 return (0); 1484 } 1485 1486 COUNTER_DECL(socket_check_listen); 1487 static int 1488 test_socket_check_listen(struct ucred *cred, struct socket *so, 1489 struct label *solabel) 1490 { 1491 1492 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1493 LABEL_CHECK(solabel, MAGIC_SOCKET); 1494 COUNTER_INC(socket_check_listen); 1495 1496 return (0); 1497 } 1498 1499 COUNTER_DECL(socket_check_poll); 1500 static int 1501 test_socket_check_poll(struct ucred *cred, struct socket *so, 1502 struct label *solabel) 1503 { 1504 1505 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1506 LABEL_CHECK(solabel, MAGIC_SOCKET); 1507 COUNTER_INC(socket_check_poll); 1508 1509 return (0); 1510 } 1511 1512 COUNTER_DECL(socket_check_receive); 1513 static int 1514 test_socket_check_receive(struct ucred *cred, struct socket *so, 1515 struct label *solabel) 1516 { 1517 1518 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1519 LABEL_CHECK(solabel, MAGIC_SOCKET); 1520 COUNTER_INC(socket_check_receive); 1521 1522 return (0); 1523 } 1524 1525 COUNTER_DECL(socket_check_relabel); 1526 static int 1527 test_socket_check_relabel(struct ucred *cred, struct socket *so, 1528 struct label *solabel, struct label *newlabel) 1529 { 1530 1531 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1532 LABEL_CHECK(solabel, MAGIC_SOCKET); 1533 LABEL_CHECK(newlabel, MAGIC_SOCKET); 1534 COUNTER_INC(socket_check_relabel); 1535 1536 return (0); 1537 } 1538 1539 COUNTER_DECL(socket_check_send); 1540 static int 1541 test_socket_check_send(struct ucred *cred, struct socket *so, 1542 struct label *solabel) 1543 { 1544 1545 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1546 LABEL_CHECK(solabel, MAGIC_SOCKET); 1547 COUNTER_INC(socket_check_send); 1548 1549 return (0); 1550 } 1551 1552 COUNTER_DECL(socket_check_stat); 1553 static int 1554 test_socket_check_stat(struct ucred *cred, struct socket *so, 1555 struct label *solabel) 1556 { 1557 1558 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1559 LABEL_CHECK(solabel, MAGIC_SOCKET); 1560 COUNTER_INC(socket_check_stat); 1561 1562 return (0); 1563 } 1564 1565 COUNTER_DECL(socket_check_visible); 1566 static int 1567 test_socket_check_visible(struct ucred *cred, struct socket *so, 1568 struct label *solabel) 1569 { 1570 1571 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1572 LABEL_CHECK(solabel, MAGIC_SOCKET); 1573 COUNTER_INC(socket_check_visible); 1574 1575 return (0); 1576 } 1577 1578 COUNTER_DECL(socket_copy_label); 1579 static void 1580 test_socket_copy_label(struct label *src, struct label *dest) 1581 { 1582 1583 LABEL_CHECK(src, MAGIC_SOCKET); 1584 LABEL_CHECK(dest, MAGIC_SOCKET); 1585 COUNTER_INC(socket_copy_label); 1586 } 1587 1588 COUNTER_DECL(socket_create); 1589 static void 1590 test_socket_create(struct ucred *cred, struct socket *so, 1591 struct label *solabel) 1592 { 1593 1594 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1595 LABEL_CHECK(solabel, MAGIC_SOCKET); 1596 COUNTER_INC(socket_create); 1597 } 1598 1599 COUNTER_DECL(socket_create_mbuf); 1600 static void 1601 test_socket_create_mbuf(struct socket *so, struct label *socketlabel, 1602 struct mbuf *m, struct label *mlabel) 1603 { 1604 1605 LABEL_CHECK(socketlabel, MAGIC_SOCKET); 1606 LABEL_CHECK(mlabel, MAGIC_MBUF); 1607 COUNTER_INC(socket_create_mbuf); 1608 } 1609 1610 COUNTER_DECL(socket_destroy_label); 1611 static void 1612 test_socket_destroy_label(struct label *label) 1613 { 1614 1615 LABEL_DESTROY(label, MAGIC_SOCKET); 1616 COUNTER_INC(socket_destroy_label); 1617 } 1618 1619 COUNTER_DECL(socket_externalize_label); 1620 static int 1621 test_socket_externalize_label(struct label *label, char *element_name, 1622 struct sbuf *sb, int *claimed) 1623 { 1624 1625 LABEL_CHECK(label, MAGIC_SOCKET); 1626 COUNTER_INC(socket_externalize_label); 1627 1628 return (0); 1629 } 1630 1631 COUNTER_DECL(socket_init_label); 1632 static int 1633 test_socket_init_label(struct label *label, int flag) 1634 { 1635 1636 if (flag & M_WAITOK) 1637 WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL, 1638 "test_socket_init_label() at %s:%d", __FILE__, 1639 __LINE__); 1640 1641 LABEL_INIT(label, MAGIC_SOCKET); 1642 COUNTER_INC(socket_init_label); 1643 return (0); 1644 } 1645 1646 COUNTER_DECL(socket_internalize_label); 1647 static int 1648 test_socket_internalize_label(struct label *label, char *element_name, 1649 char *element_data, int *claimed) 1650 { 1651 1652 LABEL_CHECK(label, MAGIC_SOCKET); 1653 COUNTER_INC(socket_internalize_label); 1654 1655 return (0); 1656 } 1657 1658 COUNTER_DECL(socket_newconn); 1659 static void 1660 test_socket_newconn(struct socket *oldso, struct label *oldsolabel, 1661 struct socket *newso, struct label *newsolabel) 1662 { 1663 1664 LABEL_CHECK(oldsolabel, MAGIC_SOCKET); 1665 LABEL_CHECK(newsolabel, MAGIC_SOCKET); 1666 COUNTER_INC(socket_newconn); 1667 } 1668 1669 COUNTER_DECL(socket_relabel); 1670 static void 1671 test_socket_relabel(struct ucred *cred, struct socket *so, 1672 struct label *solabel, struct label *newlabel) 1673 { 1674 1675 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1676 LABEL_CHECK(solabel, MAGIC_SOCKET); 1677 LABEL_CHECK(newlabel, MAGIC_SOCKET); 1678 COUNTER_INC(socket_relabel); 1679 } 1680 1681 COUNTER_DECL(socketpeer_destroy_label); 1682 static void 1683 test_socketpeer_destroy_label(struct label *label) 1684 { 1685 1686 LABEL_DESTROY(label, MAGIC_SOCKET); 1687 COUNTER_INC(socketpeer_destroy_label); 1688 } 1689 1690 COUNTER_DECL(socketpeer_externalize_label); 1691 static int 1692 test_socketpeer_externalize_label(struct label *label, char *element_name, 1693 struct sbuf *sb, int *claimed) 1694 { 1695 1696 LABEL_CHECK(label, MAGIC_SOCKET); 1697 COUNTER_INC(socketpeer_externalize_label); 1698 1699 return (0); 1700 } 1701 1702 COUNTER_DECL(socketpeer_init_label); 1703 static int 1704 test_socketpeer_init_label(struct label *label, int flag) 1705 { 1706 1707 if (flag & M_WAITOK) 1708 WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL, 1709 "test_socketpeer_init_label() at %s:%d", __FILE__, 1710 __LINE__); 1711 1712 LABEL_INIT(label, MAGIC_SOCKET); 1713 COUNTER_INC(socketpeer_init_label); 1714 return (0); 1715 } 1716 1717 COUNTER_DECL(socketpeer_set_from_mbuf); 1718 static void 1719 test_socketpeer_set_from_mbuf(struct mbuf *m, struct label *mlabel, 1720 struct socket *socket, struct label *socketpeerlabel) 1721 { 1722 1723 LABEL_CHECK(mlabel, MAGIC_MBUF); 1724 LABEL_CHECK(socketpeerlabel, MAGIC_SOCKET); 1725 COUNTER_INC(socketpeer_set_from_mbuf); 1726 } 1727 1728 COUNTER_DECL(socketpeer_set_from_socket); 1729 static void 1730 test_socketpeer_set_from_socket(struct socket *oldso, 1731 struct label *oldsolabel, struct socket *newso, 1732 struct label *newsopeerlabel) 1733 { 1734 1735 LABEL_CHECK(oldsolabel, MAGIC_SOCKET); 1736 LABEL_CHECK(newsopeerlabel, MAGIC_SOCKET); 1737 COUNTER_INC(socketpeer_set_from_socket); 1738 } 1739 1740 COUNTER_DECL(syncache_create); 1741 static void 1742 test_syncache_create(struct label *label, struct inpcb *inp) 1743 { 1744 1745 LABEL_CHECK(label, MAGIC_SYNCACHE); 1746 COUNTER_INC(syncache_create); 1747 } 1748 1749 COUNTER_DECL(syncache_create_mbuf); 1750 static void 1751 test_syncache_create_mbuf(struct label *sc_label, struct mbuf *m, 1752 struct label *mlabel) 1753 { 1754 1755 LABEL_CHECK(sc_label, MAGIC_SYNCACHE); 1756 LABEL_CHECK(mlabel, MAGIC_MBUF); 1757 COUNTER_INC(syncache_create_mbuf); 1758 } 1759 1760 COUNTER_DECL(syncache_destroy_label); 1761 static void 1762 test_syncache_destroy_label(struct label *label) 1763 { 1764 1765 LABEL_DESTROY(label, MAGIC_SYNCACHE); 1766 COUNTER_INC(syncache_destroy_label); 1767 } 1768 1769 COUNTER_DECL(syncache_init_label); 1770 static int 1771 test_syncache_init_label(struct label *label, int flag) 1772 { 1773 1774 if (flag & M_WAITOK) 1775 WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL, 1776 "test_syncache_init_label() at %s:%d", __FILE__, 1777 __LINE__); 1778 LABEL_INIT(label, MAGIC_SYNCACHE); 1779 COUNTER_INC(syncache_init_label); 1780 return (0); 1781 } 1782 1783 COUNTER_DECL(system_check_acct); 1784 static int 1785 test_system_check_acct(struct ucred *cred, struct vnode *vp, 1786 struct label *vplabel) 1787 { 1788 1789 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1790 LABEL_CHECK(vplabel, MAGIC_VNODE); 1791 COUNTER_INC(system_check_acct); 1792 1793 return (0); 1794 } 1795 1796 COUNTER_DECL(system_check_audit); 1797 static int 1798 test_system_check_audit(struct ucred *cred, void *record, int length) 1799 { 1800 1801 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1802 COUNTER_INC(system_check_audit); 1803 1804 return (0); 1805 } 1806 1807 COUNTER_DECL(system_check_auditctl); 1808 static int 1809 test_system_check_auditctl(struct ucred *cred, struct vnode *vp, 1810 struct label *vplabel) 1811 { 1812 1813 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1814 LABEL_CHECK(vplabel, MAGIC_VNODE); 1815 COUNTER_INC(system_check_auditctl); 1816 1817 return (0); 1818 } 1819 1820 COUNTER_DECL(system_check_auditon); 1821 static int 1822 test_system_check_auditon(struct ucred *cred, int cmd) 1823 { 1824 1825 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1826 COUNTER_INC(system_check_auditon); 1827 1828 return (0); 1829 } 1830 1831 COUNTER_DECL(system_check_reboot); 1832 static int 1833 test_system_check_reboot(struct ucred *cred, int how) 1834 { 1835 1836 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1837 COUNTER_INC(system_check_reboot); 1838 1839 return (0); 1840 } 1841 1842 COUNTER_DECL(system_check_swapoff); 1843 static int 1844 test_system_check_swapoff(struct ucred *cred, struct vnode *vp, 1845 struct label *vplabel) 1846 { 1847 1848 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1849 LABEL_CHECK(vplabel, MAGIC_VNODE); 1850 COUNTER_INC(system_check_swapoff); 1851 1852 return (0); 1853 } 1854 1855 COUNTER_DECL(system_check_swapon); 1856 static int 1857 test_system_check_swapon(struct ucred *cred, struct vnode *vp, 1858 struct label *vplabel) 1859 { 1860 1861 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1862 LABEL_CHECK(vplabel, MAGIC_VNODE); 1863 COUNTER_INC(system_check_swapon); 1864 1865 return (0); 1866 } 1867 1868 COUNTER_DECL(system_check_sysctl); 1869 static int 1870 test_system_check_sysctl(struct ucred *cred, struct sysctl_oid *oidp, 1871 void *arg1, int arg2, struct sysctl_req *req) 1872 { 1873 1874 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1875 COUNTER_INC(system_check_sysctl); 1876 1877 return (0); 1878 } 1879 1880 COUNTER_DECL(sysvmsg_cleanup); 1881 static void 1882 test_sysvmsg_cleanup(struct label *msglabel) 1883 { 1884 1885 LABEL_CHECK(msglabel, MAGIC_SYSV_MSG); 1886 COUNTER_INC(sysvmsg_cleanup); 1887 } 1888 1889 COUNTER_DECL(sysvmsg_create); 1890 static void 1891 test_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr, 1892 struct label *msqlabel, struct msg *msgptr, struct label *msglabel) 1893 { 1894 1895 LABEL_CHECK(msglabel, MAGIC_SYSV_MSG); 1896 LABEL_CHECK(msqlabel, MAGIC_SYSV_MSQ); 1897 COUNTER_INC(sysvmsg_create); 1898 } 1899 1900 COUNTER_DECL(sysvmsg_destroy_label); 1901 static void 1902 test_sysvmsg_destroy_label(struct label *label) 1903 { 1904 1905 LABEL_DESTROY(label, MAGIC_SYSV_MSG); 1906 COUNTER_INC(sysvmsg_destroy_label); 1907 } 1908 1909 COUNTER_DECL(sysvmsg_init_label); 1910 static void 1911 test_sysvmsg_init_label(struct label *label) 1912 { 1913 LABEL_INIT(label, MAGIC_SYSV_MSG); 1914 COUNTER_INC(sysvmsg_init_label); 1915 } 1916 1917 COUNTER_DECL(sysvmsq_check_msgmsq); 1918 static int 1919 test_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr, 1920 struct label *msglabel, struct msqid_kernel *msqkptr, 1921 struct label *msqklabel) 1922 { 1923 1924 LABEL_CHECK(msqklabel, MAGIC_SYSV_MSQ); 1925 LABEL_CHECK(msglabel, MAGIC_SYSV_MSG); 1926 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1927 COUNTER_INC(sysvmsq_check_msgmsq); 1928 1929 return (0); 1930 } 1931 1932 COUNTER_DECL(sysvmsq_check_msgrcv); 1933 static int 1934 test_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr, 1935 struct label *msglabel) 1936 { 1937 1938 LABEL_CHECK(msglabel, MAGIC_SYSV_MSG); 1939 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1940 COUNTER_INC(sysvmsq_check_msgrcv); 1941 1942 return (0); 1943 } 1944 1945 COUNTER_DECL(sysvmsq_check_msgrmid); 1946 static int 1947 test_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr, 1948 struct label *msglabel) 1949 { 1950 1951 LABEL_CHECK(msglabel, MAGIC_SYSV_MSG); 1952 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1953 COUNTER_INC(sysvmsq_check_msgrmid); 1954 1955 return (0); 1956 } 1957 1958 COUNTER_DECL(sysvmsq_check_msqget); 1959 static int 1960 test_sysvmsq_check_msqget(struct ucred *cred, 1961 struct msqid_kernel *msqkptr, struct label *msqklabel) 1962 { 1963 1964 LABEL_CHECK(msqklabel, MAGIC_SYSV_MSQ); 1965 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1966 COUNTER_INC(sysvmsq_check_msqget); 1967 1968 return (0); 1969 } 1970 1971 COUNTER_DECL(sysvmsq_check_msqsnd); 1972 static int 1973 test_sysvmsq_check_msqsnd(struct ucred *cred, 1974 struct msqid_kernel *msqkptr, struct label *msqklabel) 1975 { 1976 1977 LABEL_CHECK(msqklabel, MAGIC_SYSV_MSQ); 1978 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1979 COUNTER_INC(sysvmsq_check_msqsnd); 1980 1981 return (0); 1982 } 1983 1984 COUNTER_DECL(sysvmsq_check_msqrcv); 1985 static int 1986 test_sysvmsq_check_msqrcv(struct ucred *cred, 1987 struct msqid_kernel *msqkptr, struct label *msqklabel) 1988 { 1989 1990 LABEL_CHECK(msqklabel, MAGIC_SYSV_MSQ); 1991 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 1992 COUNTER_INC(sysvmsq_check_msqrcv); 1993 1994 return (0); 1995 } 1996 1997 COUNTER_DECL(sysvmsq_check_msqctl); 1998 static int 1999 test_sysvmsq_check_msqctl(struct ucred *cred, 2000 struct msqid_kernel *msqkptr, struct label *msqklabel, int cmd) 2001 { 2002 2003 LABEL_CHECK(msqklabel, MAGIC_SYSV_MSQ); 2004 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2005 COUNTER_INC(sysvmsq_check_msqctl); 2006 2007 return (0); 2008 } 2009 2010 COUNTER_DECL(sysvmsq_cleanup); 2011 static void 2012 test_sysvmsq_cleanup(struct label *msqlabel) 2013 { 2014 2015 LABEL_CHECK(msqlabel, MAGIC_SYSV_MSQ); 2016 COUNTER_INC(sysvmsq_cleanup); 2017 } 2018 2019 COUNTER_DECL(sysvmsq_create); 2020 static void 2021 test_sysvmsq_create(struct ucred *cred, 2022 struct msqid_kernel *msqkptr, struct label *msqlabel) 2023 { 2024 2025 LABEL_CHECK(msqlabel, MAGIC_SYSV_MSQ); 2026 COUNTER_INC(sysvmsq_create); 2027 } 2028 2029 COUNTER_DECL(sysvmsq_destroy_label); 2030 static void 2031 test_sysvmsq_destroy_label(struct label *label) 2032 { 2033 2034 LABEL_DESTROY(label, MAGIC_SYSV_MSQ); 2035 COUNTER_INC(sysvmsq_destroy_label); 2036 } 2037 2038 COUNTER_DECL(sysvmsq_init_label); 2039 static void 2040 test_sysvmsq_init_label(struct label *label) 2041 { 2042 LABEL_INIT(label, MAGIC_SYSV_MSQ); 2043 COUNTER_INC(sysvmsq_init_label); 2044 } 2045 2046 COUNTER_DECL(sysvsem_check_semctl); 2047 static int 2048 test_sysvsem_check_semctl(struct ucred *cred, 2049 struct semid_kernel *semakptr, struct label *semaklabel, int cmd) 2050 { 2051 2052 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2053 LABEL_CHECK(semaklabel, MAGIC_SYSV_SEM); 2054 COUNTER_INC(sysvsem_check_semctl); 2055 2056 return (0); 2057 } 2058 2059 COUNTER_DECL(sysvsem_check_semget); 2060 static int 2061 test_sysvsem_check_semget(struct ucred *cred, 2062 struct semid_kernel *semakptr, struct label *semaklabel) 2063 { 2064 2065 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2066 LABEL_CHECK(semaklabel, MAGIC_SYSV_SEM); 2067 COUNTER_INC(sysvsem_check_semget); 2068 2069 return (0); 2070 } 2071 2072 COUNTER_DECL(sysvsem_check_semop); 2073 static int 2074 test_sysvsem_check_semop(struct ucred *cred, 2075 struct semid_kernel *semakptr, struct label *semaklabel, size_t accesstype) 2076 { 2077 2078 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2079 LABEL_CHECK(semaklabel, MAGIC_SYSV_SEM); 2080 COUNTER_INC(sysvsem_check_semop); 2081 2082 return (0); 2083 } 2084 2085 COUNTER_DECL(sysvsem_cleanup); 2086 static void 2087 test_sysvsem_cleanup(struct label *semalabel) 2088 { 2089 2090 LABEL_CHECK(semalabel, MAGIC_SYSV_SEM); 2091 COUNTER_INC(sysvsem_cleanup); 2092 } 2093 2094 COUNTER_DECL(sysvsem_create); 2095 static void 2096 test_sysvsem_create(struct ucred *cred, struct semid_kernel *semakptr, 2097 struct label *semalabel) 2098 { 2099 2100 LABEL_CHECK(semalabel, MAGIC_SYSV_SEM); 2101 COUNTER_INC(sysvsem_create); 2102 } 2103 2104 COUNTER_DECL(sysvsem_destroy_label); 2105 static void 2106 test_sysvsem_destroy_label(struct label *label) 2107 { 2108 2109 LABEL_DESTROY(label, MAGIC_SYSV_SEM); 2110 COUNTER_INC(sysvsem_destroy_label); 2111 } 2112 2113 COUNTER_DECL(sysvsem_init_label); 2114 static void 2115 test_sysvsem_init_label(struct label *label) 2116 { 2117 LABEL_INIT(label, MAGIC_SYSV_SEM); 2118 COUNTER_INC(sysvsem_init_label); 2119 } 2120 2121 COUNTER_DECL(sysvshm_check_shmat); 2122 static int 2123 test_sysvshm_check_shmat(struct ucred *cred, 2124 struct shmid_kernel *shmsegptr, struct label *shmseglabel, int shmflg) 2125 { 2126 2127 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2128 LABEL_CHECK(shmseglabel, MAGIC_SYSV_SHM); 2129 COUNTER_INC(sysvshm_check_shmat); 2130 2131 return (0); 2132 } 2133 2134 COUNTER_DECL(sysvshm_check_shmctl); 2135 static int 2136 test_sysvshm_check_shmctl(struct ucred *cred, 2137 struct shmid_kernel *shmsegptr, struct label *shmseglabel, int cmd) 2138 { 2139 2140 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2141 LABEL_CHECK(shmseglabel, MAGIC_SYSV_SHM); 2142 COUNTER_INC(sysvshm_check_shmctl); 2143 2144 return (0); 2145 } 2146 2147 COUNTER_DECL(sysvshm_check_shmdt); 2148 static int 2149 test_sysvshm_check_shmdt(struct ucred *cred, 2150 struct shmid_kernel *shmsegptr, struct label *shmseglabel) 2151 { 2152 2153 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2154 LABEL_CHECK(shmseglabel, MAGIC_SYSV_SHM); 2155 COUNTER_INC(sysvshm_check_shmdt); 2156 2157 return (0); 2158 } 2159 2160 COUNTER_DECL(sysvshm_check_shmget); 2161 static int 2162 test_sysvshm_check_shmget(struct ucred *cred, 2163 struct shmid_kernel *shmsegptr, struct label *shmseglabel, int shmflg) 2164 { 2165 2166 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2167 LABEL_CHECK(shmseglabel, MAGIC_SYSV_SHM); 2168 COUNTER_INC(sysvshm_check_shmget); 2169 2170 return (0); 2171 } 2172 2173 COUNTER_DECL(sysvshm_cleanup); 2174 static void 2175 test_sysvshm_cleanup(struct label *shmlabel) 2176 { 2177 2178 LABEL_CHECK(shmlabel, MAGIC_SYSV_SHM); 2179 COUNTER_INC(sysvshm_cleanup); 2180 } 2181 2182 COUNTER_DECL(sysvshm_create); 2183 static void 2184 test_sysvshm_create(struct ucred *cred, struct shmid_kernel *shmsegptr, 2185 struct label *shmlabel) 2186 { 2187 2188 LABEL_CHECK(shmlabel, MAGIC_SYSV_SHM); 2189 COUNTER_INC(sysvshm_create); 2190 } 2191 2192 COUNTER_DECL(sysvshm_destroy_label); 2193 static void 2194 test_sysvshm_destroy_label(struct label *label) 2195 { 2196 2197 LABEL_DESTROY(label, MAGIC_SYSV_SHM); 2198 COUNTER_INC(sysvshm_destroy_label); 2199 } 2200 2201 COUNTER_DECL(sysvshm_init_label); 2202 static void 2203 test_sysvshm_init_label(struct label *label) 2204 { 2205 LABEL_INIT(label, MAGIC_SYSV_SHM); 2206 COUNTER_INC(sysvshm_init_label); 2207 } 2208 2209 COUNTER_DECL(thread_userret); 2210 static void 2211 test_thread_userret(struct thread *td) 2212 { 2213 2214 COUNTER_INC(thread_userret); 2215 } 2216 2217 COUNTER_DECL(vnode_associate_extattr); 2218 static int 2219 test_vnode_associate_extattr(struct mount *mp, struct label *mplabel, 2220 struct vnode *vp, struct label *vplabel) 2221 { 2222 2223 LABEL_CHECK(mplabel, MAGIC_MOUNT); 2224 LABEL_CHECK(vplabel, MAGIC_VNODE); 2225 COUNTER_INC(vnode_associate_extattr); 2226 2227 return (0); 2228 } 2229 2230 COUNTER_DECL(vnode_associate_singlelabel); 2231 static void 2232 test_vnode_associate_singlelabel(struct mount *mp, struct label *mplabel, 2233 struct vnode *vp, struct label *vplabel) 2234 { 2235 2236 LABEL_CHECK(mplabel, MAGIC_MOUNT); 2237 LABEL_CHECK(vplabel, MAGIC_VNODE); 2238 COUNTER_INC(vnode_associate_singlelabel); 2239 } 2240 2241 COUNTER_DECL(vnode_check_access); 2242 static int 2243 test_vnode_check_access(struct ucred *cred, struct vnode *vp, 2244 struct label *vplabel, int acc_mode) 2245 { 2246 2247 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2248 LABEL_CHECK(vplabel, MAGIC_VNODE); 2249 COUNTER_INC(vnode_check_access); 2250 2251 return (0); 2252 } 2253 2254 COUNTER_DECL(vnode_check_chdir); 2255 static int 2256 test_vnode_check_chdir(struct ucred *cred, struct vnode *dvp, 2257 struct label *dvplabel) 2258 { 2259 2260 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2261 LABEL_CHECK(dvplabel, MAGIC_VNODE); 2262 COUNTER_INC(vnode_check_chdir); 2263 2264 return (0); 2265 } 2266 2267 COUNTER_DECL(vnode_check_chroot); 2268 static int 2269 test_vnode_check_chroot(struct ucred *cred, struct vnode *dvp, 2270 struct label *dvplabel) 2271 { 2272 2273 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2274 LABEL_CHECK(dvplabel, MAGIC_VNODE); 2275 COUNTER_INC(vnode_check_chroot); 2276 2277 return (0); 2278 } 2279 2280 COUNTER_DECL(vnode_check_create); 2281 static int 2282 test_vnode_check_create(struct ucred *cred, struct vnode *dvp, 2283 struct label *dvplabel, struct componentname *cnp, struct vattr *vap) 2284 { 2285 2286 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2287 LABEL_CHECK(dvplabel, MAGIC_VNODE); 2288 COUNTER_INC(vnode_check_create); 2289 2290 return (0); 2291 } 2292 2293 COUNTER_DECL(vnode_check_deleteacl); 2294 static int 2295 test_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp, 2296 struct label *vplabel, acl_type_t type) 2297 { 2298 2299 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2300 LABEL_CHECK(vplabel, MAGIC_VNODE); 2301 COUNTER_INC(vnode_check_deleteacl); 2302 2303 return (0); 2304 } 2305 2306 COUNTER_DECL(vnode_check_deleteextattr); 2307 static int 2308 test_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp, 2309 struct label *vplabel, int attrnamespace, const char *name) 2310 { 2311 2312 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2313 LABEL_CHECK(vplabel, MAGIC_VNODE); 2314 COUNTER_INC(vnode_check_deleteextattr); 2315 2316 return (0); 2317 } 2318 2319 COUNTER_DECL(vnode_check_exec); 2320 static int 2321 test_vnode_check_exec(struct ucred *cred, struct vnode *vp, 2322 struct label *vplabel, struct image_params *imgp, 2323 struct label *execlabel) 2324 { 2325 2326 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2327 LABEL_CHECK(vplabel, MAGIC_VNODE); 2328 LABEL_CHECK(execlabel, MAGIC_CRED); 2329 COUNTER_INC(vnode_check_exec); 2330 2331 return (0); 2332 } 2333 2334 COUNTER_DECL(vnode_check_getacl); 2335 static int 2336 test_vnode_check_getacl(struct ucred *cred, struct vnode *vp, 2337 struct label *vplabel, acl_type_t type) 2338 { 2339 2340 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2341 LABEL_CHECK(vplabel, MAGIC_VNODE); 2342 COUNTER_INC(vnode_check_getacl); 2343 2344 return (0); 2345 } 2346 2347 COUNTER_DECL(vnode_check_getextattr); 2348 static int 2349 test_vnode_check_getextattr(struct ucred *cred, struct vnode *vp, 2350 struct label *vplabel, int attrnamespace, const char *name, 2351 struct uio *uio) 2352 { 2353 2354 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2355 LABEL_CHECK(vplabel, MAGIC_VNODE); 2356 COUNTER_INC(vnode_check_getextattr); 2357 2358 return (0); 2359 } 2360 2361 COUNTER_DECL(vnode_check_link); 2362 static int 2363 test_vnode_check_link(struct ucred *cred, struct vnode *dvp, 2364 struct label *dvplabel, struct vnode *vp, struct label *vplabel, 2365 struct componentname *cnp) 2366 { 2367 2368 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2369 LABEL_CHECK(dvplabel, MAGIC_VNODE); 2370 LABEL_CHECK(vplabel, MAGIC_VNODE); 2371 COUNTER_INC(vnode_check_link); 2372 2373 return (0); 2374 } 2375 2376 COUNTER_DECL(vnode_check_listextattr); 2377 static int 2378 test_vnode_check_listextattr(struct ucred *cred, struct vnode *vp, 2379 struct label *vplabel, int attrnamespace) 2380 { 2381 2382 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2383 LABEL_CHECK(vplabel, MAGIC_VNODE); 2384 COUNTER_INC(vnode_check_listextattr); 2385 2386 return (0); 2387 } 2388 2389 COUNTER_DECL(vnode_check_lookup); 2390 static int 2391 test_vnode_check_lookup(struct ucred *cred, struct vnode *dvp, 2392 struct label *dvplabel, struct componentname *cnp) 2393 { 2394 2395 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2396 LABEL_CHECK(dvplabel, MAGIC_VNODE); 2397 COUNTER_INC(vnode_check_lookup); 2398 2399 return (0); 2400 } 2401 2402 COUNTER_DECL(vnode_check_mmap); 2403 static int 2404 test_vnode_check_mmap(struct ucred *cred, struct vnode *vp, 2405 struct label *vplabel, int prot, int flags) 2406 { 2407 2408 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2409 LABEL_CHECK(vplabel, MAGIC_VNODE); 2410 COUNTER_INC(vnode_check_mmap); 2411 2412 return (0); 2413 } 2414 2415 COUNTER_DECL(vnode_check_open); 2416 static int 2417 test_vnode_check_open(struct ucred *cred, struct vnode *vp, 2418 struct label *vplabel, int acc_mode) 2419 { 2420 2421 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2422 LABEL_CHECK(vplabel, MAGIC_VNODE); 2423 COUNTER_INC(vnode_check_open); 2424 2425 return (0); 2426 } 2427 2428 COUNTER_DECL(vnode_check_poll); 2429 static int 2430 test_vnode_check_poll(struct ucred *active_cred, struct ucred *file_cred, 2431 struct vnode *vp, struct label *vplabel) 2432 { 2433 2434 LABEL_CHECK(active_cred->cr_label, MAGIC_CRED); 2435 if (file_cred != NULL) 2436 LABEL_CHECK(file_cred->cr_label, MAGIC_CRED); 2437 LABEL_CHECK(vplabel, MAGIC_VNODE); 2438 COUNTER_INC(vnode_check_poll); 2439 2440 return (0); 2441 } 2442 2443 COUNTER_DECL(vnode_check_read); 2444 static int 2445 test_vnode_check_read(struct ucred *active_cred, struct ucred *file_cred, 2446 struct vnode *vp, struct label *vplabel) 2447 { 2448 2449 LABEL_CHECK(active_cred->cr_label, MAGIC_CRED); 2450 if (file_cred != NULL) 2451 LABEL_CHECK(file_cred->cr_label, MAGIC_CRED); 2452 LABEL_CHECK(vplabel, MAGIC_VNODE); 2453 COUNTER_INC(vnode_check_read); 2454 2455 return (0); 2456 } 2457 2458 COUNTER_DECL(vnode_check_readdir); 2459 static int 2460 test_vnode_check_readdir(struct ucred *cred, struct vnode *dvp, 2461 struct label *dvplabel) 2462 { 2463 2464 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2465 LABEL_CHECK(dvplabel, MAGIC_VNODE); 2466 COUNTER_INC(vnode_check_readdir); 2467 2468 return (0); 2469 } 2470 2471 COUNTER_DECL(vnode_check_readlink); 2472 static int 2473 test_vnode_check_readlink(struct ucred *cred, struct vnode *vp, 2474 struct label *vplabel) 2475 { 2476 2477 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2478 LABEL_CHECK(vplabel, MAGIC_VNODE); 2479 COUNTER_INC(vnode_check_readlink); 2480 2481 return (0); 2482 } 2483 2484 COUNTER_DECL(vnode_check_relabel); 2485 static int 2486 test_vnode_check_relabel(struct ucred *cred, struct vnode *vp, 2487 struct label *vplabel, struct label *newlabel) 2488 { 2489 2490 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2491 LABEL_CHECK(vplabel, MAGIC_VNODE); 2492 LABEL_CHECK(newlabel, MAGIC_VNODE); 2493 COUNTER_INC(vnode_check_relabel); 2494 2495 return (0); 2496 } 2497 2498 COUNTER_DECL(vnode_check_rename_from); 2499 static int 2500 test_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp, 2501 struct label *dvplabel, struct vnode *vp, struct label *vplabel, 2502 struct componentname *cnp) 2503 { 2504 2505 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2506 LABEL_CHECK(dvplabel, MAGIC_VNODE); 2507 LABEL_CHECK(vplabel, MAGIC_VNODE); 2508 COUNTER_INC(vnode_check_rename_from); 2509 2510 return (0); 2511 } 2512 2513 COUNTER_DECL(vnode_check_rename_to); 2514 static int 2515 test_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp, 2516 struct label *dvplabel, struct vnode *vp, struct label *vplabel, 2517 int samedir, struct componentname *cnp) 2518 { 2519 2520 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2521 LABEL_CHECK(dvplabel, MAGIC_VNODE); 2522 LABEL_CHECK(vplabel, MAGIC_VNODE); 2523 COUNTER_INC(vnode_check_rename_to); 2524 2525 return (0); 2526 } 2527 2528 COUNTER_DECL(vnode_check_revoke); 2529 static int 2530 test_vnode_check_revoke(struct ucred *cred, struct vnode *vp, 2531 struct label *vplabel) 2532 { 2533 2534 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2535 LABEL_CHECK(vplabel, MAGIC_VNODE); 2536 COUNTER_INC(vnode_check_revoke); 2537 2538 return (0); 2539 } 2540 2541 COUNTER_DECL(vnode_check_setacl); 2542 static int 2543 test_vnode_check_setacl(struct ucred *cred, struct vnode *vp, 2544 struct label *vplabel, acl_type_t type, struct acl *acl) 2545 { 2546 2547 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2548 LABEL_CHECK(vplabel, MAGIC_VNODE); 2549 COUNTER_INC(vnode_check_setacl); 2550 2551 return (0); 2552 } 2553 2554 COUNTER_DECL(vnode_check_setextattr); 2555 static int 2556 test_vnode_check_setextattr(struct ucred *cred, struct vnode *vp, 2557 struct label *vplabel, int attrnamespace, const char *name, 2558 struct uio *uio) 2559 { 2560 2561 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2562 LABEL_CHECK(vplabel, MAGIC_VNODE); 2563 COUNTER_INC(vnode_check_setextattr); 2564 2565 return (0); 2566 } 2567 2568 COUNTER_DECL(vnode_check_setflags); 2569 static int 2570 test_vnode_check_setflags(struct ucred *cred, struct vnode *vp, 2571 struct label *vplabel, u_long flags) 2572 { 2573 2574 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2575 LABEL_CHECK(vplabel, MAGIC_VNODE); 2576 COUNTER_INC(vnode_check_setflags); 2577 2578 return (0); 2579 } 2580 2581 COUNTER_DECL(vnode_check_setmode); 2582 static int 2583 test_vnode_check_setmode(struct ucred *cred, struct vnode *vp, 2584 struct label *vplabel, mode_t mode) 2585 { 2586 2587 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2588 LABEL_CHECK(vplabel, MAGIC_VNODE); 2589 COUNTER_INC(vnode_check_setmode); 2590 2591 return (0); 2592 } 2593 2594 COUNTER_DECL(vnode_check_setowner); 2595 static int 2596 test_vnode_check_setowner(struct ucred *cred, struct vnode *vp, 2597 struct label *vplabel, uid_t uid, gid_t gid) 2598 { 2599 2600 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2601 LABEL_CHECK(vplabel, MAGIC_VNODE); 2602 COUNTER_INC(vnode_check_setowner); 2603 2604 return (0); 2605 } 2606 2607 COUNTER_DECL(vnode_check_setutimes); 2608 static int 2609 test_vnode_check_setutimes(struct ucred *cred, struct vnode *vp, 2610 struct label *vplabel, struct timespec atime, struct timespec mtime) 2611 { 2612 2613 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2614 LABEL_CHECK(vplabel, MAGIC_VNODE); 2615 COUNTER_INC(vnode_check_setutimes); 2616 2617 return (0); 2618 } 2619 2620 COUNTER_DECL(vnode_check_stat); 2621 static int 2622 test_vnode_check_stat(struct ucred *active_cred, struct ucred *file_cred, 2623 struct vnode *vp, struct label *vplabel) 2624 { 2625 2626 LABEL_CHECK(active_cred->cr_label, MAGIC_CRED); 2627 if (file_cred != NULL) 2628 LABEL_CHECK(file_cred->cr_label, MAGIC_CRED); 2629 LABEL_CHECK(vplabel, MAGIC_VNODE); 2630 COUNTER_INC(vnode_check_stat); 2631 2632 return (0); 2633 } 2634 2635 COUNTER_DECL(vnode_check_unlink); 2636 static int 2637 test_vnode_check_unlink(struct ucred *cred, struct vnode *dvp, 2638 struct label *dvplabel, struct vnode *vp, struct label *vplabel, 2639 struct componentname *cnp) 2640 { 2641 2642 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2643 LABEL_CHECK(dvplabel, MAGIC_VNODE); 2644 LABEL_CHECK(vplabel, MAGIC_VNODE); 2645 COUNTER_INC(vnode_check_unlink); 2646 2647 return (0); 2648 } 2649 2650 COUNTER_DECL(vnode_check_write); 2651 static int 2652 test_vnode_check_write(struct ucred *active_cred, 2653 struct ucred *file_cred, struct vnode *vp, struct label *vplabel) 2654 { 2655 2656 LABEL_CHECK(active_cred->cr_label, MAGIC_CRED); 2657 if (file_cred != NULL) 2658 LABEL_CHECK(file_cred->cr_label, MAGIC_CRED); 2659 LABEL_CHECK(vplabel, MAGIC_VNODE); 2660 COUNTER_INC(vnode_check_write); 2661 2662 return (0); 2663 } 2664 2665 COUNTER_DECL(vnode_copy_label); 2666 static void 2667 test_vnode_copy_label(struct label *src, struct label *dest) 2668 { 2669 2670 LABEL_CHECK(src, MAGIC_VNODE); 2671 LABEL_CHECK(dest, MAGIC_VNODE); 2672 COUNTER_INC(vnode_copy_label); 2673 } 2674 2675 COUNTER_DECL(vnode_create_extattr); 2676 static int 2677 test_vnode_create_extattr(struct ucred *cred, struct mount *mp, 2678 struct label *mplabel, struct vnode *dvp, struct label *dvplabel, 2679 struct vnode *vp, struct label *vplabel, struct componentname *cnp) 2680 { 2681 2682 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2683 LABEL_CHECK(mplabel, MAGIC_MOUNT); 2684 LABEL_CHECK(dvplabel, MAGIC_VNODE); 2685 COUNTER_INC(vnode_create_extattr); 2686 2687 return (0); 2688 } 2689 2690 COUNTER_DECL(vnode_destroy_label); 2691 static void 2692 test_vnode_destroy_label(struct label *label) 2693 { 2694 2695 LABEL_DESTROY(label, MAGIC_VNODE); 2696 COUNTER_INC(vnode_destroy_label); 2697 } 2698 2699 COUNTER_DECL(vnode_execve_transition); 2700 static void 2701 test_vnode_execve_transition(struct ucred *old, struct ucred *new, 2702 struct vnode *vp, struct label *filelabel, 2703 struct label *interpvplabel, struct image_params *imgp, 2704 struct label *execlabel) 2705 { 2706 2707 LABEL_CHECK(old->cr_label, MAGIC_CRED); 2708 LABEL_CHECK(new->cr_label, MAGIC_CRED); 2709 LABEL_CHECK(filelabel, MAGIC_VNODE); 2710 LABEL_CHECK(interpvplabel, MAGIC_VNODE); 2711 LABEL_CHECK(execlabel, MAGIC_CRED); 2712 COUNTER_INC(vnode_execve_transition); 2713 } 2714 2715 COUNTER_DECL(vnode_execve_will_transition); 2716 static int 2717 test_vnode_execve_will_transition(struct ucred *old, struct vnode *vp, 2718 struct label *filelabel, struct label *interpvplabel, 2719 struct image_params *imgp, struct label *execlabel) 2720 { 2721 2722 LABEL_CHECK(old->cr_label, MAGIC_CRED); 2723 LABEL_CHECK(filelabel, MAGIC_VNODE); 2724 LABEL_CHECK(interpvplabel, MAGIC_VNODE); 2725 LABEL_CHECK(execlabel, MAGIC_CRED); 2726 COUNTER_INC(vnode_execve_will_transition); 2727 2728 return (0); 2729 } 2730 2731 COUNTER_DECL(vnode_externalize_label); 2732 static int 2733 test_vnode_externalize_label(struct label *label, char *element_name, 2734 struct sbuf *sb, int *claimed) 2735 { 2736 2737 LABEL_CHECK(label, MAGIC_VNODE); 2738 COUNTER_INC(vnode_externalize_label); 2739 2740 return (0); 2741 } 2742 2743 COUNTER_DECL(vnode_init_label); 2744 static void 2745 test_vnode_init_label(struct label *label) 2746 { 2747 2748 LABEL_INIT(label, MAGIC_VNODE); 2749 COUNTER_INC(vnode_init_label); 2750 } 2751 2752 COUNTER_DECL(vnode_internalize_label); 2753 static int 2754 test_vnode_internalize_label(struct label *label, char *element_name, 2755 char *element_data, int *claimed) 2756 { 2757 2758 LABEL_CHECK(label, MAGIC_VNODE); 2759 COUNTER_INC(vnode_internalize_label); 2760 2761 return (0); 2762 } 2763 2764 COUNTER_DECL(vnode_relabel); 2765 static void 2766 test_vnode_relabel(struct ucred *cred, struct vnode *vp, 2767 struct label *vplabel, struct label *label) 2768 { 2769 2770 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2771 LABEL_CHECK(vplabel, MAGIC_VNODE); 2772 LABEL_CHECK(label, MAGIC_VNODE); 2773 COUNTER_INC(vnode_relabel); 2774 } 2775 2776 COUNTER_DECL(vnode_setlabel_extattr); 2777 static int 2778 test_vnode_setlabel_extattr(struct ucred *cred, struct vnode *vp, 2779 struct label *vplabel, struct label *intlabel) 2780 { 2781 2782 LABEL_CHECK(cred->cr_label, MAGIC_CRED); 2783 LABEL_CHECK(vplabel, MAGIC_VNODE); 2784 LABEL_CHECK(intlabel, MAGIC_VNODE); 2785 COUNTER_INC(vnode_setlabel_extattr); 2786 2787 return (0); 2788 } 2789 2790 static struct mac_policy_ops test_ops = 2791 { 2792 .mpo_bpfdesc_check_receive = test_bpfdesc_check_receive, 2793 .mpo_bpfdesc_create = test_bpfdesc_create, 2794 .mpo_bpfdesc_create_mbuf = test_bpfdesc_create_mbuf, 2795 .mpo_bpfdesc_destroy_label = test_bpfdesc_destroy_label, 2796 .mpo_bpfdesc_init_label = test_bpfdesc_init_label, 2797 2798 .mpo_cred_check_relabel = test_cred_check_relabel, 2799 .mpo_cred_check_visible = test_cred_check_visible, 2800 .mpo_cred_copy_label = test_cred_copy_label, 2801 .mpo_cred_destroy_label = test_cred_destroy_label, 2802 .mpo_cred_externalize_label = test_cred_externalize_label, 2803 .mpo_cred_init_label = test_cred_init_label, 2804 .mpo_cred_internalize_label = test_cred_internalize_label, 2805 .mpo_cred_relabel = test_cred_relabel, 2806 2807 .mpo_devfs_create_device = test_devfs_create_device, 2808 .mpo_devfs_create_directory = test_devfs_create_directory, 2809 .mpo_devfs_create_symlink = test_devfs_create_symlink, 2810 .mpo_devfs_destroy_label = test_devfs_destroy_label, 2811 .mpo_devfs_init_label = test_devfs_init_label, 2812 .mpo_devfs_update = test_devfs_update, 2813 .mpo_devfs_vnode_associate = test_devfs_vnode_associate, 2814 2815 .mpo_ifnet_check_relabel = test_ifnet_check_relabel, 2816 .mpo_ifnet_check_transmit = test_ifnet_check_transmit, 2817 .mpo_ifnet_copy_label = test_ifnet_copy_label, 2818 .mpo_ifnet_create = test_ifnet_create, 2819 .mpo_ifnet_create_mbuf = test_ifnet_create_mbuf, 2820 .mpo_ifnet_destroy_label = test_ifnet_destroy_label, 2821 .mpo_ifnet_externalize_label = test_ifnet_externalize_label, 2822 .mpo_ifnet_init_label = test_ifnet_init_label, 2823 .mpo_ifnet_internalize_label = test_ifnet_internalize_label, 2824 .mpo_ifnet_relabel = test_ifnet_relabel, 2825 2826 .mpo_syncache_destroy_label = test_syncache_destroy_label, 2827 .mpo_syncache_init_label = test_syncache_init_label, 2828 2829 .mpo_sysvmsg_destroy_label = test_sysvmsg_destroy_label, 2830 .mpo_sysvmsg_init_label = test_sysvmsg_init_label, 2831 2832 .mpo_sysvmsq_destroy_label = test_sysvmsq_destroy_label, 2833 .mpo_sysvmsq_init_label = test_sysvmsq_init_label, 2834 2835 .mpo_sysvsem_destroy_label = test_sysvsem_destroy_label, 2836 .mpo_sysvsem_init_label = test_sysvsem_init_label, 2837 2838 .mpo_sysvshm_destroy_label = test_sysvshm_destroy_label, 2839 .mpo_sysvshm_init_label = test_sysvshm_init_label, 2840 2841 .mpo_inpcb_check_deliver = test_inpcb_check_deliver, 2842 .mpo_inpcb_create = test_inpcb_create, 2843 .mpo_inpcb_create_mbuf = test_inpcb_create_mbuf, 2844 .mpo_inpcb_destroy_label = test_inpcb_destroy_label, 2845 .mpo_inpcb_init_label = test_inpcb_init_label, 2846 .mpo_inpcb_sosetlabel = test_inpcb_sosetlabel, 2847 2848 .mpo_ipq_create = test_ipq_create, 2849 .mpo_ipq_destroy_label = test_ipq_destroy_label, 2850 .mpo_ipq_init_label = test_ipq_init_label, 2851 .mpo_ipq_match = test_ipq_match, 2852 .mpo_ipq_reassemble = test_ipq_reassemble, 2853 .mpo_ipq_update = test_ipq_update, 2854 2855 .mpo_kenv_check_dump = test_kenv_check_dump, 2856 .mpo_kenv_check_get = test_kenv_check_get, 2857 .mpo_kenv_check_set = test_kenv_check_set, 2858 .mpo_kenv_check_unset = test_kenv_check_unset, 2859 2860 .mpo_kld_check_load = test_kld_check_load, 2861 .mpo_kld_check_stat = test_kld_check_stat, 2862 2863 .mpo_mbuf_copy_label = test_mbuf_copy_label, 2864 .mpo_mbuf_destroy_label = test_mbuf_destroy_label, 2865 .mpo_mbuf_init_label = test_mbuf_init_label, 2866 2867 .mpo_mount_check_stat = test_mount_check_stat, 2868 .mpo_mount_create = test_mount_create, 2869 .mpo_mount_destroy_label = test_mount_destroy_label, 2870 .mpo_mount_init_label = test_mount_init_label, 2871 2872 .mpo_netatalk_aarp_send = test_netatalk_aarp_send, 2873 2874 .mpo_netinet_arp_send = test_netinet_arp_send, 2875 .mpo_netinet_fragment = test_netinet_fragment, 2876 .mpo_netinet_icmp_reply = test_netinet_icmp_reply, 2877 .mpo_netinet_icmp_replyinplace = test_netinet_icmp_replyinplace, 2878 .mpo_netinet_igmp_send = test_netinet_igmp_send, 2879 .mpo_netinet_tcp_reply = test_netinet_tcp_reply, 2880 2881 .mpo_netinet6_nd6_send = test_netinet6_nd6_send, 2882 2883 .mpo_pipe_check_ioctl = test_pipe_check_ioctl, 2884 .mpo_pipe_check_poll = test_pipe_check_poll, 2885 .mpo_pipe_check_read = test_pipe_check_read, 2886 .mpo_pipe_check_relabel = test_pipe_check_relabel, 2887 .mpo_pipe_check_stat = test_pipe_check_stat, 2888 .mpo_pipe_check_write = test_pipe_check_write, 2889 .mpo_pipe_copy_label = test_pipe_copy_label, 2890 .mpo_pipe_create = test_pipe_create, 2891 .mpo_pipe_destroy_label = test_pipe_destroy_label, 2892 .mpo_pipe_externalize_label = test_pipe_externalize_label, 2893 .mpo_pipe_init_label = test_pipe_init_label, 2894 .mpo_pipe_internalize_label = test_pipe_internalize_label, 2895 .mpo_pipe_relabel = test_pipe_relabel, 2896 2897 .mpo_posixsem_check_getvalue = test_posixsem_check_getvalue, 2898 .mpo_posixsem_check_open = test_posixsem_check_open, 2899 .mpo_posixsem_check_post = test_posixsem_check_post, 2900 .mpo_posixsem_check_stat = test_posixsem_check_stat, 2901 .mpo_posixsem_check_unlink = test_posixsem_check_unlink, 2902 .mpo_posixsem_check_wait = test_posixsem_check_wait, 2903 .mpo_posixsem_create = test_posixsem_create, 2904 .mpo_posixsem_destroy_label = test_posixsem_destroy_label, 2905 .mpo_posixsem_init_label = test_posixsem_init_label, 2906 2907 .mpo_posixshm_check_mmap = test_posixshm_check_mmap, 2908 .mpo_posixshm_check_open = test_posixshm_check_open, 2909 .mpo_posixshm_check_stat = test_posixshm_check_stat, 2910 .mpo_posixshm_check_truncate = test_posixshm_check_truncate, 2911 .mpo_posixshm_check_unlink = test_posixshm_check_unlink, 2912 .mpo_posixshm_create = test_posixshm_create, 2913 .mpo_posixshm_destroy_label = test_posixshm_destroy_label, 2914 .mpo_posixshm_init_label = test_posixshm_init_label, 2915 2916 .mpo_proc_check_debug = test_proc_check_debug, 2917 .mpo_proc_check_sched = test_proc_check_sched, 2918 .mpo_proc_check_setaudit = test_proc_check_setaudit, 2919 .mpo_proc_check_setaudit_addr = test_proc_check_setaudit_addr, 2920 .mpo_proc_check_setauid = test_proc_check_setauid, 2921 .mpo_proc_check_seteuid = test_proc_check_seteuid, 2922 .mpo_proc_check_setegid = test_proc_check_setegid, 2923 .mpo_proc_check_setgid = test_proc_check_setgid, 2924 .mpo_proc_check_setgroups = test_proc_check_setgroups, 2925 .mpo_proc_check_setregid = test_proc_check_setregid, 2926 .mpo_proc_check_setresgid = test_proc_check_setresgid, 2927 .mpo_proc_check_setresuid = test_proc_check_setresuid, 2928 .mpo_proc_check_setreuid = test_proc_check_setreuid, 2929 .mpo_proc_check_setuid = test_proc_check_setuid, 2930 .mpo_proc_check_signal = test_proc_check_signal, 2931 .mpo_proc_check_wait = test_proc_check_wait, 2932 .mpo_proc_create_init = test_proc_create_init, 2933 .mpo_proc_create_swapper = test_proc_create_swapper, 2934 .mpo_proc_destroy_label = test_proc_destroy_label, 2935 .mpo_proc_init_label = test_proc_init_label, 2936 2937 .mpo_socket_check_accept = test_socket_check_accept, 2938 .mpo_socket_check_bind = test_socket_check_bind, 2939 .mpo_socket_check_connect = test_socket_check_connect, 2940 .mpo_socket_check_deliver = test_socket_check_deliver, 2941 .mpo_socket_check_listen = test_socket_check_listen, 2942 .mpo_socket_check_poll = test_socket_check_poll, 2943 .mpo_socket_check_receive = test_socket_check_receive, 2944 .mpo_socket_check_relabel = test_socket_check_relabel, 2945 .mpo_socket_check_send = test_socket_check_send, 2946 .mpo_socket_check_stat = test_socket_check_stat, 2947 .mpo_socket_check_visible = test_socket_check_visible, 2948 .mpo_socket_copy_label = test_socket_copy_label, 2949 .mpo_socket_create = test_socket_create, 2950 .mpo_socket_create_mbuf = test_socket_create_mbuf, 2951 .mpo_socket_destroy_label = test_socket_destroy_label, 2952 .mpo_socket_externalize_label = test_socket_externalize_label, 2953 .mpo_socket_init_label = test_socket_init_label, 2954 .mpo_socket_internalize_label = test_socket_internalize_label, 2955 .mpo_socket_newconn = test_socket_newconn, 2956 .mpo_socket_relabel = test_socket_relabel, 2957 2958 .mpo_socketpeer_destroy_label = test_socketpeer_destroy_label, 2959 .mpo_socketpeer_externalize_label = test_socketpeer_externalize_label, 2960 .mpo_socketpeer_init_label = test_socketpeer_init_label, 2961 .mpo_socketpeer_set_from_mbuf = test_socketpeer_set_from_mbuf, 2962 .mpo_socketpeer_set_from_socket = test_socketpeer_set_from_socket, 2963 2964 .mpo_syncache_create = test_syncache_create, 2965 .mpo_syncache_create_mbuf = test_syncache_create_mbuf, 2966 2967 .mpo_system_check_acct = test_system_check_acct, 2968 .mpo_system_check_audit = test_system_check_audit, 2969 .mpo_system_check_auditctl = test_system_check_auditctl, 2970 .mpo_system_check_auditon = test_system_check_auditon, 2971 .mpo_system_check_reboot = test_system_check_reboot, 2972 .mpo_system_check_swapoff = test_system_check_swapoff, 2973 .mpo_system_check_swapon = test_system_check_swapon, 2974 .mpo_system_check_sysctl = test_system_check_sysctl, 2975 2976 .mpo_vnode_check_access = test_vnode_check_access, 2977 .mpo_sysvmsg_cleanup = test_sysvmsg_cleanup, 2978 .mpo_sysvmsg_create = test_sysvmsg_create, 2979 2980 .mpo_sysvmsq_check_msgmsq = test_sysvmsq_check_msgmsq, 2981 .mpo_sysvmsq_check_msgrcv = test_sysvmsq_check_msgrcv, 2982 .mpo_sysvmsq_check_msgrmid = test_sysvmsq_check_msgrmid, 2983 .mpo_sysvmsq_check_msqget = test_sysvmsq_check_msqget, 2984 .mpo_sysvmsq_check_msqsnd = test_sysvmsq_check_msqsnd, 2985 .mpo_sysvmsq_check_msqrcv = test_sysvmsq_check_msqrcv, 2986 .mpo_sysvmsq_check_msqctl = test_sysvmsq_check_msqctl, 2987 .mpo_sysvmsq_cleanup = test_sysvmsq_cleanup, 2988 .mpo_sysvmsq_create = test_sysvmsq_create, 2989 2990 .mpo_sysvsem_check_semctl = test_sysvsem_check_semctl, 2991 .mpo_sysvsem_check_semget = test_sysvsem_check_semget, 2992 .mpo_sysvsem_check_semop = test_sysvsem_check_semop, 2993 .mpo_sysvsem_cleanup = test_sysvsem_cleanup, 2994 .mpo_sysvsem_create = test_sysvsem_create, 2995 2996 .mpo_sysvshm_check_shmat = test_sysvshm_check_shmat, 2997 .mpo_sysvshm_check_shmctl = test_sysvshm_check_shmctl, 2998 .mpo_sysvshm_check_shmdt = test_sysvshm_check_shmdt, 2999 .mpo_sysvshm_check_shmget = test_sysvshm_check_shmget, 3000 .mpo_sysvshm_cleanup = test_sysvshm_cleanup, 3001 .mpo_sysvshm_create = test_sysvshm_create, 3002 3003 .mpo_thread_userret = test_thread_userret, 3004 3005 .mpo_vnode_associate_extattr = test_vnode_associate_extattr, 3006 .mpo_vnode_associate_singlelabel = test_vnode_associate_singlelabel, 3007 .mpo_vnode_check_chdir = test_vnode_check_chdir, 3008 .mpo_vnode_check_chroot = test_vnode_check_chroot, 3009 .mpo_vnode_check_create = test_vnode_check_create, 3010 .mpo_vnode_check_deleteacl = test_vnode_check_deleteacl, 3011 .mpo_vnode_check_deleteextattr = test_vnode_check_deleteextattr, 3012 .mpo_vnode_check_exec = test_vnode_check_exec, 3013 .mpo_vnode_check_getacl = test_vnode_check_getacl, 3014 .mpo_vnode_check_getextattr = test_vnode_check_getextattr, 3015 .mpo_vnode_check_link = test_vnode_check_link, 3016 .mpo_vnode_check_listextattr = test_vnode_check_listextattr, 3017 .mpo_vnode_check_lookup = test_vnode_check_lookup, 3018 .mpo_vnode_check_mmap = test_vnode_check_mmap, 3019 .mpo_vnode_check_open = test_vnode_check_open, 3020 .mpo_vnode_check_poll = test_vnode_check_poll, 3021 .mpo_vnode_check_read = test_vnode_check_read, 3022 .mpo_vnode_check_readdir = test_vnode_check_readdir, 3023 .mpo_vnode_check_readlink = test_vnode_check_readlink, 3024 .mpo_vnode_check_relabel = test_vnode_check_relabel, 3025 .mpo_vnode_check_rename_from = test_vnode_check_rename_from, 3026 .mpo_vnode_check_rename_to = test_vnode_check_rename_to, 3027 .mpo_vnode_check_revoke = test_vnode_check_revoke, 3028 .mpo_vnode_check_setacl = test_vnode_check_setacl, 3029 .mpo_vnode_check_setextattr = test_vnode_check_setextattr, 3030 .mpo_vnode_check_setflags = test_vnode_check_setflags, 3031 .mpo_vnode_check_setmode = test_vnode_check_setmode, 3032 .mpo_vnode_check_setowner = test_vnode_check_setowner, 3033 .mpo_vnode_check_setutimes = test_vnode_check_setutimes, 3034 .mpo_vnode_check_stat = test_vnode_check_stat, 3035 .mpo_vnode_check_unlink = test_vnode_check_unlink, 3036 .mpo_vnode_check_write = test_vnode_check_write, 3037 .mpo_vnode_copy_label = test_vnode_copy_label, 3038 .mpo_vnode_create_extattr = test_vnode_create_extattr, 3039 .mpo_vnode_destroy_label = test_vnode_destroy_label, 3040 .mpo_vnode_execve_transition = test_vnode_execve_transition, 3041 .mpo_vnode_execve_will_transition = test_vnode_execve_will_transition, 3042 .mpo_vnode_externalize_label = test_vnode_externalize_label, 3043 .mpo_vnode_init_label = test_vnode_init_label, 3044 .mpo_vnode_internalize_label = test_vnode_internalize_label, 3045 .mpo_vnode_relabel = test_vnode_relabel, 3046 .mpo_vnode_setlabel_extattr = test_vnode_setlabel_extattr, 3047 }; 3048 3049 MAC_POLICY_SET(&test_ops, mac_test, "TrustedBSD MAC/Test", 3050 MPC_LOADTIME_FLAG_UNLOADOK | MPC_LOADTIME_FLAG_LABELMBUFS, &test_slot); 3051