2 * Copyright (c) 1999-2002, 2007-2009 Robert N. M. Watson
3 * Copyright (c) 2001-2005 McAfee, Inc.
4 * Copyright (c) 2006 SPARTA, Inc.
7 * This software was developed by Robert Watson for the TrustedBSD Project.
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.
14 * This software was enhanced by SPARTA ISSO under SPAWAR contract
15 * N66001-04-C-6019 ("SEFOS").
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions
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.
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
42 * Developed by the TrustedBSD Project.
44 * MLS fixed label mandatory confidentiality policy.
47 #include <sys/types.h>
48 #include <sys/param.h>
51 #include <sys/extattr.h>
52 #include <sys/kernel.h>
55 #include <sys/malloc.h>
56 #include <sys/mount.h>
59 #include <sys/systm.h>
60 #include <sys/sysproto.h>
61 #include <sys/sysent.h>
62 #include <sys/systm.h>
63 #include <sys/vnode.h>
65 #include <sys/socket.h>
66 #include <sys/socketvar.h>
69 #include <sys/sysctl.h>
74 #include <fs/devfs/devfs.h>
76 #include <net/bpfdesc.h>
78 #include <net/if_types.h>
79 #include <net/if_var.h>
81 #include <netinet/in.h>
82 #include <netinet/in_pcb.h>
83 #include <netinet/ip_var.h>
88 #include <security/mac/mac_policy.h>
89 #include <security/mac_mls/mac_mls.h>
91 SYSCTL_DECL(_security_mac);
93 SYSCTL_NODE(_security_mac, OID_AUTO, mls, CTLFLAG_RW, 0,
94 "TrustedBSD mac_mls policy controls");
96 static int mls_label_size = sizeof(struct mac_mls);
97 SYSCTL_INT(_security_mac_mls, OID_AUTO, label_size, CTLFLAG_RD,
98 &mls_label_size, 0, "Size of struct mac_mls");
100 static int mls_enabled = 1;
101 SYSCTL_INT(_security_mac_mls, OID_AUTO, enabled, CTLFLAG_RW, &mls_enabled, 0,
102 "Enforce MAC/MLS policy");
103 TUNABLE_INT("security.mac.mls.enabled", &mls_enabled);
105 static int destroyed_not_inited;
106 SYSCTL_INT(_security_mac_mls, OID_AUTO, destroyed_not_inited, CTLFLAG_RD,
107 &destroyed_not_inited, 0, "Count of labels destroyed but not inited");
109 static int ptys_equal = 0;
110 SYSCTL_INT(_security_mac_mls, OID_AUTO, ptys_equal, CTLFLAG_RW,
111 &ptys_equal, 0, "Label pty devices as mls/equal on create");
112 TUNABLE_INT("security.mac.mls.ptys_equal", &ptys_equal);
114 static int revocation_enabled = 0;
115 SYSCTL_INT(_security_mac_mls, OID_AUTO, revocation_enabled, CTLFLAG_RW,
116 &revocation_enabled, 0, "Revoke access to objects on relabel");
117 TUNABLE_INT("security.mac.mls.revocation_enabled", &revocation_enabled);
119 static int max_compartments = MAC_MLS_MAX_COMPARTMENTS;
120 SYSCTL_INT(_security_mac_mls, OID_AUTO, max_compartments, CTLFLAG_RD,
121 &max_compartments, 0, "Maximum compartments the policy supports");
124 #define SLOT(l) ((struct mac_mls *)mac_label_get((l), mls_slot))
125 #define SLOT_SET(l, val) mac_label_set((l), mls_slot, (uintptr_t)(val))
127 static uma_zone_t zone_mls;
130 mls_bit_set_empty(u_char *set) {
133 for (i = 0; i < MAC_MLS_MAX_COMPARTMENTS >> 3; i++)
139 static struct mac_mls *
143 return (uma_zalloc(zone_mls, flag | M_ZERO));
147 mls_free(struct mac_mls *mm)
151 uma_zfree(zone_mls, mm);
153 atomic_add_int(&destroyed_not_inited, 1);
157 mls_atmostflags(struct mac_mls *mm, int flags)
160 if ((mm->mm_flags & flags) != mm->mm_flags)
166 mls_dominate_element(struct mac_mls_element *a, struct mac_mls_element *b)
170 switch (a->mme_type) {
171 case MAC_MLS_TYPE_EQUAL:
172 case MAC_MLS_TYPE_HIGH:
175 case MAC_MLS_TYPE_LOW:
176 switch (b->mme_type) {
177 case MAC_MLS_TYPE_LEVEL:
178 case MAC_MLS_TYPE_HIGH:
181 case MAC_MLS_TYPE_EQUAL:
182 case MAC_MLS_TYPE_LOW:
186 panic("mls_dominate_element: b->mme_type invalid");
189 case MAC_MLS_TYPE_LEVEL:
190 switch (b->mme_type) {
191 case MAC_MLS_TYPE_EQUAL:
192 case MAC_MLS_TYPE_LOW:
195 case MAC_MLS_TYPE_HIGH:
198 case MAC_MLS_TYPE_LEVEL:
199 for (bit = 1; bit <= MAC_MLS_MAX_COMPARTMENTS; bit++)
200 if (!MAC_MLS_BIT_TEST(bit,
201 a->mme_compartments) &&
202 MAC_MLS_BIT_TEST(bit, b->mme_compartments))
204 return (a->mme_level >= b->mme_level);
207 panic("mls_dominate_element: b->mme_type invalid");
211 panic("mls_dominate_element: a->mme_type invalid");
218 mls_range_in_range(struct mac_mls *rangea, struct mac_mls *rangeb)
221 return (mls_dominate_element(&rangeb->mm_rangehigh,
222 &rangea->mm_rangehigh) &&
223 mls_dominate_element(&rangea->mm_rangelow,
224 &rangeb->mm_rangelow));
228 mls_effective_in_range(struct mac_mls *effective, struct mac_mls *range)
231 KASSERT((effective->mm_flags & MAC_MLS_FLAG_EFFECTIVE) != 0,
232 ("mls_effective_in_range: a not effective"));
233 KASSERT((range->mm_flags & MAC_MLS_FLAG_RANGE) != 0,
234 ("mls_effective_in_range: b not range"));
236 return (mls_dominate_element(&range->mm_rangehigh,
237 &effective->mm_effective) &&
238 mls_dominate_element(&effective->mm_effective,
239 &range->mm_rangelow));
245 mls_dominate_effective(struct mac_mls *a, struct mac_mls *b)
247 KASSERT((a->mm_flags & MAC_MLS_FLAG_EFFECTIVE) != 0,
248 ("mls_dominate_effective: a not effective"));
249 KASSERT((b->mm_flags & MAC_MLS_FLAG_EFFECTIVE) != 0,
250 ("mls_dominate_effective: b not effective"));
252 return (mls_dominate_element(&a->mm_effective, &b->mm_effective));
256 mls_equal_element(struct mac_mls_element *a, struct mac_mls_element *b)
259 if (a->mme_type == MAC_MLS_TYPE_EQUAL ||
260 b->mme_type == MAC_MLS_TYPE_EQUAL)
263 return (a->mme_type == b->mme_type && a->mme_level == b->mme_level);
267 mls_equal_effective(struct mac_mls *a, struct mac_mls *b)
270 KASSERT((a->mm_flags & MAC_MLS_FLAG_EFFECTIVE) != 0,
271 ("mls_equal_effective: a not effective"));
272 KASSERT((b->mm_flags & MAC_MLS_FLAG_EFFECTIVE) != 0,
273 ("mls_equal_effective: b not effective"));
275 return (mls_equal_element(&a->mm_effective, &b->mm_effective));
279 mls_contains_equal(struct mac_mls *mm)
282 if (mm->mm_flags & MAC_MLS_FLAG_EFFECTIVE)
283 if (mm->mm_effective.mme_type == MAC_MLS_TYPE_EQUAL)
286 if (mm->mm_flags & MAC_MLS_FLAG_RANGE) {
287 if (mm->mm_rangelow.mme_type == MAC_MLS_TYPE_EQUAL)
289 if (mm->mm_rangehigh.mme_type == MAC_MLS_TYPE_EQUAL)
297 mls_subject_privileged(struct mac_mls *mm)
300 KASSERT((mm->mm_flags & MAC_MLS_FLAGS_BOTH) == MAC_MLS_FLAGS_BOTH,
301 ("mls_subject_privileged: subject doesn't have both labels"));
303 /* If the effective is EQUAL, it's ok. */
304 if (mm->mm_effective.mme_type == MAC_MLS_TYPE_EQUAL)
307 /* If either range endpoint is EQUAL, it's ok. */
308 if (mm->mm_rangelow.mme_type == MAC_MLS_TYPE_EQUAL ||
309 mm->mm_rangehigh.mme_type == MAC_MLS_TYPE_EQUAL)
312 /* If the range is low-high, it's ok. */
313 if (mm->mm_rangelow.mme_type == MAC_MLS_TYPE_LOW &&
314 mm->mm_rangehigh.mme_type == MAC_MLS_TYPE_HIGH)
322 mls_valid(struct mac_mls *mm)
325 if (mm->mm_flags & MAC_MLS_FLAG_EFFECTIVE) {
326 switch (mm->mm_effective.mme_type) {
327 case MAC_MLS_TYPE_LEVEL:
330 case MAC_MLS_TYPE_EQUAL:
331 case MAC_MLS_TYPE_HIGH:
332 case MAC_MLS_TYPE_LOW:
333 if (mm->mm_effective.mme_level != 0 ||
334 !MAC_MLS_BIT_SET_EMPTY(
335 mm->mm_effective.mme_compartments))
343 if (mm->mm_effective.mme_type != MAC_MLS_TYPE_UNDEF)
347 if (mm->mm_flags & MAC_MLS_FLAG_RANGE) {
348 switch (mm->mm_rangelow.mme_type) {
349 case MAC_MLS_TYPE_LEVEL:
352 case MAC_MLS_TYPE_EQUAL:
353 case MAC_MLS_TYPE_HIGH:
354 case MAC_MLS_TYPE_LOW:
355 if (mm->mm_rangelow.mme_level != 0 ||
356 !MAC_MLS_BIT_SET_EMPTY(
357 mm->mm_rangelow.mme_compartments))
365 switch (mm->mm_rangehigh.mme_type) {
366 case MAC_MLS_TYPE_LEVEL:
369 case MAC_MLS_TYPE_EQUAL:
370 case MAC_MLS_TYPE_HIGH:
371 case MAC_MLS_TYPE_LOW:
372 if (mm->mm_rangehigh.mme_level != 0 ||
373 !MAC_MLS_BIT_SET_EMPTY(
374 mm->mm_rangehigh.mme_compartments))
381 if (!mls_dominate_element(&mm->mm_rangehigh,
385 if (mm->mm_rangelow.mme_type != MAC_MLS_TYPE_UNDEF ||
386 mm->mm_rangehigh.mme_type != MAC_MLS_TYPE_UNDEF)
394 mls_set_range(struct mac_mls *mm, u_short typelow, u_short levellow,
395 u_char *compartmentslow, u_short typehigh, u_short levelhigh,
396 u_char *compartmentshigh)
399 mm->mm_rangelow.mme_type = typelow;
400 mm->mm_rangelow.mme_level = levellow;
401 if (compartmentslow != NULL)
402 memcpy(mm->mm_rangelow.mme_compartments, compartmentslow,
403 sizeof(mm->mm_rangelow.mme_compartments));
404 mm->mm_rangehigh.mme_type = typehigh;
405 mm->mm_rangehigh.mme_level = levelhigh;
406 if (compartmentshigh != NULL)
407 memcpy(mm->mm_rangehigh.mme_compartments, compartmentshigh,
408 sizeof(mm->mm_rangehigh.mme_compartments));
409 mm->mm_flags |= MAC_MLS_FLAG_RANGE;
413 mls_set_effective(struct mac_mls *mm, u_short type, u_short level,
414 u_char *compartments)
417 mm->mm_effective.mme_type = type;
418 mm->mm_effective.mme_level = level;
419 if (compartments != NULL)
420 memcpy(mm->mm_effective.mme_compartments, compartments,
421 sizeof(mm->mm_effective.mme_compartments));
422 mm->mm_flags |= MAC_MLS_FLAG_EFFECTIVE;
426 mls_copy_range(struct mac_mls *labelfrom, struct mac_mls *labelto)
429 KASSERT((labelfrom->mm_flags & MAC_MLS_FLAG_RANGE) != 0,
430 ("mls_copy_range: labelfrom not range"));
432 labelto->mm_rangelow = labelfrom->mm_rangelow;
433 labelto->mm_rangehigh = labelfrom->mm_rangehigh;
434 labelto->mm_flags |= MAC_MLS_FLAG_RANGE;
438 mls_copy_effective(struct mac_mls *labelfrom, struct mac_mls *labelto)
441 KASSERT((labelfrom->mm_flags & MAC_MLS_FLAG_EFFECTIVE) != 0,
442 ("mls_copy_effective: labelfrom not effective"));
444 labelto->mm_effective = labelfrom->mm_effective;
445 labelto->mm_flags |= MAC_MLS_FLAG_EFFECTIVE;
449 mls_copy(struct mac_mls *source, struct mac_mls *dest)
452 if (source->mm_flags & MAC_MLS_FLAG_EFFECTIVE)
453 mls_copy_effective(source, dest);
454 if (source->mm_flags & MAC_MLS_FLAG_RANGE)
455 mls_copy_range(source, dest);
459 * Policy module operations.
462 mls_init(struct mac_policy_conf *conf)
465 zone_mls = uma_zcreate("mac_mls", sizeof(struct mac_mls), NULL,
466 NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
473 mls_init_label(struct label *label)
476 SLOT_SET(label, mls_alloc(M_WAITOK));
480 mls_init_label_waitcheck(struct label *label, int flag)
483 SLOT_SET(label, mls_alloc(flag));
484 if (SLOT(label) == NULL)
491 mls_destroy_label(struct label *label)
494 mls_free(SLOT(label));
495 SLOT_SET(label, NULL);
499 * mls_element_to_string() accepts an sbuf and MLS element. It converts the
500 * MLS element to a string and stores the result in the sbuf; if there isn't
501 * space in the sbuf, -1 is returned.
504 mls_element_to_string(struct sbuf *sb, struct mac_mls_element *element)
508 switch (element->mme_type) {
509 case MAC_MLS_TYPE_HIGH:
510 return (sbuf_printf(sb, "high"));
512 case MAC_MLS_TYPE_LOW:
513 return (sbuf_printf(sb, "low"));
515 case MAC_MLS_TYPE_EQUAL:
516 return (sbuf_printf(sb, "equal"));
518 case MAC_MLS_TYPE_LEVEL:
519 if (sbuf_printf(sb, "%d", element->mme_level) == -1)
523 for (i = 1; i <= MAC_MLS_MAX_COMPARTMENTS; i++) {
524 if (MAC_MLS_BIT_TEST(i, element->mme_compartments)) {
526 if (sbuf_putc(sb, ':') == -1)
528 if (sbuf_printf(sb, "%d", i) == -1)
532 if (sbuf_printf(sb, "+%d", i) == -1)
540 panic("mls_element_to_string: invalid type (%d)",
546 * mls_to_string() converts an MLS label to a string, and places the results
547 * in the passed sbuf. It returns 0 on success, or EINVAL if there isn't
548 * room in the sbuf. Note: the sbuf will be modified even in a failure case,
549 * so the caller may need to revert the sbuf by restoring the offset if
553 mls_to_string(struct sbuf *sb, struct mac_mls *mm)
556 if (mm->mm_flags & MAC_MLS_FLAG_EFFECTIVE) {
557 if (mls_element_to_string(sb, &mm->mm_effective) == -1)
561 if (mm->mm_flags & MAC_MLS_FLAG_RANGE) {
562 if (sbuf_putc(sb, '(') == -1)
565 if (mls_element_to_string(sb, &mm->mm_rangelow) == -1)
568 if (sbuf_putc(sb, '-') == -1)
571 if (mls_element_to_string(sb, &mm->mm_rangehigh) == -1)
574 if (sbuf_putc(sb, ')') == -1)
582 mls_externalize_label(struct label *label, char *element_name,
583 struct sbuf *sb, int *claimed)
587 if (strcmp(MAC_MLS_LABEL_NAME, element_name) != 0)
594 return (mls_to_string(sb, mm));
598 mls_parse_element(struct mac_mls_element *element, char *string)
600 char *compartment, *end, *level;
603 if (strcmp(string, "high") == 0 || strcmp(string, "hi") == 0) {
604 element->mme_type = MAC_MLS_TYPE_HIGH;
605 element->mme_level = MAC_MLS_TYPE_UNDEF;
606 } else if (strcmp(string, "low") == 0 || strcmp(string, "lo") == 0) {
607 element->mme_type = MAC_MLS_TYPE_LOW;
608 element->mme_level = MAC_MLS_TYPE_UNDEF;
609 } else if (strcmp(string, "equal") == 0 ||
610 strcmp(string, "eq") == 0) {
611 element->mme_type = MAC_MLS_TYPE_EQUAL;
612 element->mme_level = MAC_MLS_TYPE_UNDEF;
614 element->mme_type = MAC_MLS_TYPE_LEVEL;
617 * Numeric level piece of the element.
619 level = strsep(&string, ":");
620 value = strtol(level, &end, 10);
621 if (end == level || *end != '\0')
623 if (value < 0 || value > 65535)
625 element->mme_level = value;
628 * Optional compartment piece of the element. If none are
629 * included, we assume that the label has no compartments.
636 while ((compartment = strsep(&string, "+")) != NULL) {
637 value = strtol(compartment, &end, 10);
638 if (compartment == end || *end != '\0')
640 if (value < 1 || value > MAC_MLS_MAX_COMPARTMENTS)
642 MAC_MLS_BIT_SET(value, element->mme_compartments);
650 * Note: destructively consumes the string, make a local copy before calling
651 * if that's a problem.
654 mls_parse(struct mac_mls *mm, char *string)
656 char *rangehigh, *rangelow, *effective;
659 effective = strsep(&string, "(");
660 if (*effective == '\0')
663 if (string != NULL) {
664 rangelow = strsep(&string, "-");
667 rangehigh = strsep(&string, ")");
677 KASSERT((rangelow != NULL && rangehigh != NULL) ||
678 (rangelow == NULL && rangehigh == NULL),
679 ("mls_parse: range mismatch"));
681 bzero(mm, sizeof(*mm));
682 if (effective != NULL) {
683 error = mls_parse_element(&mm->mm_effective, effective);
686 mm->mm_flags |= MAC_MLS_FLAG_EFFECTIVE;
689 if (rangelow != NULL) {
690 error = mls_parse_element(&mm->mm_rangelow, rangelow);
693 error = mls_parse_element(&mm->mm_rangehigh, rangehigh);
696 mm->mm_flags |= MAC_MLS_FLAG_RANGE;
699 error = mls_valid(mm);
707 mls_internalize_label(struct label *label, char *element_name,
708 char *element_data, int *claimed)
710 struct mac_mls *mm, mm_temp;
713 if (strcmp(MAC_MLS_LABEL_NAME, element_name) != 0)
718 error = mls_parse(&mm_temp, element_data);
729 mls_copy_label(struct label *src, struct label *dest)
732 *SLOT(dest) = *SLOT(src);
736 * Object-specific entry point implementations are sorted alphabetically by
737 * object type name and then by operation.
740 mls_bpfdesc_check_receive(struct bpf_d *d, struct label *dlabel,
741 struct ifnet *ifp, struct label *ifplabel)
743 struct mac_mls *a, *b;
751 if (mls_equal_effective(a, b))
757 mls_bpfdesc_create(struct ucred *cred, struct bpf_d *d, struct label *dlabel)
759 struct mac_mls *source, *dest;
761 source = SLOT(cred->cr_label);
764 mls_copy_effective(source, dest);
768 mls_bpfdesc_create_mbuf(struct bpf_d *d, struct label *dlabel,
769 struct mbuf *m, struct label *mlabel)
771 struct mac_mls *source, *dest;
773 source = SLOT(dlabel);
776 mls_copy_effective(source, dest);
780 mls_cred_associate_nfsd(struct ucred *cred)
782 struct mac_mls *label;
784 label = SLOT(cred->cr_label);
785 mls_set_effective(label, MAC_MLS_TYPE_LOW, 0, NULL);
786 mls_set_range(label, MAC_MLS_TYPE_LOW, 0, NULL, MAC_MLS_TYPE_HIGH, 0,
791 mls_cred_check_relabel(struct ucred *cred, struct label *newlabel)
793 struct mac_mls *subj, *new;
796 subj = SLOT(cred->cr_label);
797 new = SLOT(newlabel);
800 * If there is an MLS label update for the credential, it may be an
801 * update of effective, range, or both.
803 error = mls_atmostflags(new, MAC_MLS_FLAGS_BOTH);
808 * If the MLS label is to be changed, authorize as appropriate.
810 if (new->mm_flags & MAC_MLS_FLAGS_BOTH) {
812 * If the change request modifies both the MLS label
813 * effective and range, check that the new effective will be
816 if ((new->mm_flags & MAC_MLS_FLAGS_BOTH) ==
817 MAC_MLS_FLAGS_BOTH && !mls_effective_in_range(new, new))
821 * To change the MLS effective label on a credential, the new
822 * effective label must be in the current range.
824 if (new->mm_flags & MAC_MLS_FLAG_EFFECTIVE &&
825 !mls_effective_in_range(new, subj))
829 * To change the MLS range label on a credential, the new
830 * range must be in the current range.
832 if (new->mm_flags & MAC_MLS_FLAG_RANGE &&
833 !mls_range_in_range(new, subj))
837 * To have EQUAL in any component of the new credential MLS
838 * label, the subject must already have EQUAL in their label.
840 if (mls_contains_equal(new)) {
841 error = mls_subject_privileged(subj);
851 mls_cred_check_visible(struct ucred *cr1, struct ucred *cr2)
853 struct mac_mls *subj, *obj;
858 subj = SLOT(cr1->cr_label);
859 obj = SLOT(cr2->cr_label);
862 if (!mls_dominate_effective(subj, obj))
869 mls_cred_create_init(struct ucred *cred)
871 struct mac_mls *dest;
873 dest = SLOT(cred->cr_label);
875 mls_set_effective(dest, MAC_MLS_TYPE_LOW, 0, NULL);
876 mls_set_range(dest, MAC_MLS_TYPE_LOW, 0, NULL, MAC_MLS_TYPE_HIGH, 0,
881 mls_cred_create_swapper(struct ucred *cred)
883 struct mac_mls *dest;
885 dest = SLOT(cred->cr_label);
887 mls_set_effective(dest, MAC_MLS_TYPE_EQUAL, 0, NULL);
888 mls_set_range(dest, MAC_MLS_TYPE_LOW, 0, NULL, MAC_MLS_TYPE_HIGH, 0,
893 mls_cred_relabel(struct ucred *cred, struct label *newlabel)
895 struct mac_mls *source, *dest;
897 source = SLOT(newlabel);
898 dest = SLOT(cred->cr_label);
900 mls_copy(source, dest);
904 mls_devfs_create_device(struct ucred *cred, struct mount *mp,
905 struct cdev *dev, struct devfs_dirent *de, struct label *delabel)
911 if (strcmp(dev->si_name, "null") == 0 ||
912 strcmp(dev->si_name, "zero") == 0 ||
913 strcmp(dev->si_name, "random") == 0 ||
914 strncmp(dev->si_name, "fd/", strlen("fd/")) == 0)
915 mls_type = MAC_MLS_TYPE_EQUAL;
916 else if (strcmp(dev->si_name, "kmem") == 0 ||
917 strcmp(dev->si_name, "mem") == 0)
918 mls_type = MAC_MLS_TYPE_HIGH;
919 else if (ptys_equal &&
920 (strncmp(dev->si_name, "ttyp", strlen("ttyp")) == 0 ||
921 strncmp(dev->si_name, "pts/", strlen("pts/")) == 0 ||
922 strncmp(dev->si_name, "ptyp", strlen("ptyp")) == 0))
923 mls_type = MAC_MLS_TYPE_EQUAL;
925 mls_type = MAC_MLS_TYPE_LOW;
926 mls_set_effective(mm, mls_type, 0, NULL);
930 mls_devfs_create_directory(struct mount *mp, char *dirname, int dirnamelen,
931 struct devfs_dirent *de, struct label *delabel)
936 mls_set_effective(mm, MAC_MLS_TYPE_LOW, 0, NULL);
940 mls_devfs_create_symlink(struct ucred *cred, struct mount *mp,
941 struct devfs_dirent *dd, struct label *ddlabel, struct devfs_dirent *de,
942 struct label *delabel)
944 struct mac_mls *source, *dest;
946 source = SLOT(cred->cr_label);
947 dest = SLOT(delabel);
949 mls_copy_effective(source, dest);
953 mls_devfs_update(struct mount *mp, struct devfs_dirent *de,
954 struct label *delabel, struct vnode *vp, struct label *vplabel)
956 struct mac_mls *source, *dest;
958 source = SLOT(vplabel);
959 dest = SLOT(delabel);
961 mls_copy_effective(source, dest);
965 mls_devfs_vnode_associate(struct mount *mp, struct label *mplabel,
966 struct devfs_dirent *de, struct label *delabel, struct vnode *vp,
967 struct label *vplabel)
969 struct mac_mls *source, *dest;
971 source = SLOT(delabel);
972 dest = SLOT(vplabel);
974 mls_copy_effective(source, dest);
978 mls_ifnet_check_relabel(struct ucred *cred, struct ifnet *ifp,
979 struct label *ifplabel, struct label *newlabel)
981 struct mac_mls *subj, *new;
984 subj = SLOT(cred->cr_label);
985 new = SLOT(newlabel);
988 * If there is an MLS label update for the interface, it may be an
989 * update of effective, range, or both.
991 error = mls_atmostflags(new, MAC_MLS_FLAGS_BOTH);
996 * Relabeling network interfaces requires MLS privilege.
998 return (mls_subject_privileged(subj));
1002 mls_ifnet_check_transmit(struct ifnet *ifp, struct label *ifplabel,
1003 struct mbuf *m, struct label *mlabel)
1005 struct mac_mls *p, *i;
1013 return (mls_effective_in_range(p, i) ? 0 : EACCES);
1017 mls_ifnet_create(struct ifnet *ifp, struct label *ifplabel)
1019 struct mac_mls *dest;
1022 dest = SLOT(ifplabel);
1024 if (ifp->if_type == IFT_LOOP)
1025 type = MAC_MLS_TYPE_EQUAL;
1027 type = MAC_MLS_TYPE_LOW;
1029 mls_set_effective(dest, type, 0, NULL);
1030 mls_set_range(dest, type, 0, NULL, type, 0, NULL);
1034 mls_ifnet_create_mbuf(struct ifnet *ifp, struct label *ifplabel,
1035 struct mbuf *m, struct label *mlabel)
1037 struct mac_mls *source, *dest;
1039 source = SLOT(ifplabel);
1040 dest = SLOT(mlabel);
1042 mls_copy_effective(source, dest);
1046 mls_ifnet_relabel(struct ucred *cred, struct ifnet *ifp,
1047 struct label *ifplabel, struct label *newlabel)
1049 struct mac_mls *source, *dest;
1051 source = SLOT(newlabel);
1052 dest = SLOT(ifplabel);
1054 mls_copy(source, dest);
1058 mls_inpcb_check_deliver(struct inpcb *inp, struct label *inplabel,
1059 struct mbuf *m, struct label *mlabel)
1061 struct mac_mls *p, *i;
1069 return (mls_equal_effective(p, i) ? 0 : EACCES);
1073 mls_inpcb_check_visible(struct ucred *cred, struct inpcb *inp,
1074 struct label *inplabel)
1076 struct mac_mls *subj, *obj;
1081 subj = SLOT(cred->cr_label);
1082 obj = SLOT(inplabel);
1084 if (!mls_dominate_effective(subj, obj))
1091 mls_inpcb_create(struct socket *so, struct label *solabel, struct inpcb *inp,
1092 struct label *inplabel)
1094 struct mac_mls *source, *dest;
1096 source = SLOT(solabel);
1097 dest = SLOT(inplabel);
1099 mls_copy_effective(source, dest);
1103 mls_inpcb_create_mbuf(struct inpcb *inp, struct label *inplabel,
1104 struct mbuf *m, struct label *mlabel)
1106 struct mac_mls *source, *dest;
1108 source = SLOT(inplabel);
1109 dest = SLOT(mlabel);
1111 mls_copy_effective(source, dest);
1115 mls_inpcb_sosetlabel(struct socket *so, struct label *solabel,
1116 struct inpcb *inp, struct label *inplabel)
1118 struct mac_mls *source, *dest;
1120 SOCK_LOCK_ASSERT(so);
1122 source = SLOT(solabel);
1123 dest = SLOT(inplabel);
1125 mls_copy(source, dest);
1129 mls_ip6q_create(struct mbuf *m, struct label *mlabel, struct ip6q *q6,
1130 struct label *q6label)
1132 struct mac_mls *source, *dest;
1134 source = SLOT(mlabel);
1135 dest = SLOT(q6label);
1137 mls_copy_effective(source, dest);
1141 mls_ip6q_match(struct mbuf *m, struct label *mlabel, struct ip6q *q6,
1142 struct label *q6label)
1144 struct mac_mls *a, *b;
1149 return (mls_equal_effective(a, b));
1153 mls_ip6q_reassemble(struct ip6q *q6, struct label *q6label, struct mbuf *m,
1154 struct label *mlabel)
1156 struct mac_mls *source, *dest;
1158 source = SLOT(q6label);
1159 dest = SLOT(mlabel);
1161 /* Just use the head, since we require them all to match. */
1162 mls_copy_effective(source, dest);
1166 mls_ip6q_update(struct mbuf *m, struct label *mlabel, struct ip6q *q6,
1167 struct label *q6label)
1170 /* NOOP: we only accept matching labels, so no need to update */
1174 mls_ipq_create(struct mbuf *m, struct label *mlabel, struct ipq *q,
1175 struct label *qlabel)
1177 struct mac_mls *source, *dest;
1179 source = SLOT(mlabel);
1180 dest = SLOT(qlabel);
1182 mls_copy_effective(source, dest);
1186 mls_ipq_match(struct mbuf *m, struct label *mlabel, struct ipq *q,
1187 struct label *qlabel)
1189 struct mac_mls *a, *b;
1194 return (mls_equal_effective(a, b));
1198 mls_ipq_reassemble(struct ipq *q, struct label *qlabel, struct mbuf *m,
1199 struct label *mlabel)
1201 struct mac_mls *source, *dest;
1203 source = SLOT(qlabel);
1204 dest = SLOT(mlabel);
1206 /* Just use the head, since we require them all to match. */
1207 mls_copy_effective(source, dest);
1211 mls_ipq_update(struct mbuf *m, struct label *mlabel, struct ipq *q,
1212 struct label *qlabel)
1215 /* NOOP: we only accept matching labels, so no need to update */
1219 mls_mount_check_stat(struct ucred *cred, struct mount *mp,
1220 struct label *mntlabel)
1222 struct mac_mls *subj, *obj;
1227 subj = SLOT(cred->cr_label);
1228 obj = SLOT(mntlabel);
1230 if (!mls_dominate_effective(subj, obj))
1237 mls_mount_create(struct ucred *cred, struct mount *mp, struct label *mplabel)
1239 struct mac_mls *source, *dest;
1241 source = SLOT(cred->cr_label);
1242 dest = SLOT(mplabel);
1244 mls_copy_effective(source, dest);
1248 mls_netatalk_aarp_send(struct ifnet *ifp, struct label *ifplabel,
1249 struct mbuf *m, struct label *mlabel)
1251 struct mac_mls *dest;
1253 dest = SLOT(mlabel);
1255 mls_set_effective(dest, MAC_MLS_TYPE_EQUAL, 0, NULL);
1259 mls_netinet_arp_send(struct ifnet *ifp, struct label *ifplabel,
1260 struct mbuf *m, struct label *mlabel)
1262 struct mac_mls *dest;
1264 dest = SLOT(mlabel);
1266 mls_set_effective(dest, MAC_MLS_TYPE_EQUAL, 0, NULL);
1270 mls_netinet_firewall_reply(struct mbuf *mrecv, struct label *mrecvlabel,
1271 struct mbuf *msend, struct label *msendlabel)
1273 struct mac_mls *source, *dest;
1275 source = SLOT(mrecvlabel);
1276 dest = SLOT(msendlabel);
1278 mls_copy_effective(source, dest);
1282 mls_netinet_firewall_send(struct mbuf *m, struct label *mlabel)
1284 struct mac_mls *dest;
1286 dest = SLOT(mlabel);
1288 /* XXX: where is the label for the firewall really comming from? */
1289 mls_set_effective(dest, MAC_MLS_TYPE_EQUAL, 0, NULL);
1293 mls_netinet_fragment(struct mbuf *m, struct label *mlabel, struct mbuf *frag,
1294 struct label *fraglabel)
1296 struct mac_mls *source, *dest;
1298 source = SLOT(mlabel);
1299 dest = SLOT(fraglabel);
1301 mls_copy_effective(source, dest);
1305 mls_netinet_icmp_reply(struct mbuf *mrecv, struct label *mrecvlabel,
1306 struct mbuf *msend, struct label *msendlabel)
1308 struct mac_mls *source, *dest;
1310 source = SLOT(mrecvlabel);
1311 dest = SLOT(msendlabel);
1313 mls_copy_effective(source, dest);
1317 mls_netinet_igmp_send(struct ifnet *ifp, struct label *ifplabel,
1318 struct mbuf *m, struct label *mlabel)
1320 struct mac_mls *dest;
1322 dest = SLOT(mlabel);
1324 mls_set_effective(dest, MAC_MLS_TYPE_EQUAL, 0, NULL);
1328 mls_netinet6_nd6_send(struct ifnet *ifp, struct label *ifplabel,
1329 struct mbuf *m, struct label *mlabel)
1331 struct mac_mls *dest;
1333 dest = SLOT(mlabel);
1335 mls_set_effective(dest, MAC_MLS_TYPE_EQUAL, 0, NULL);
1339 mls_pipe_check_ioctl(struct ucred *cred, struct pipepair *pp,
1340 struct label *pplabel, unsigned long cmd, void /* caddr_t */ *data)
1346 /* XXX: This will be implemented soon... */
1352 mls_pipe_check_poll(struct ucred *cred, struct pipepair *pp,
1353 struct label *pplabel)
1355 struct mac_mls *subj, *obj;
1360 subj = SLOT(cred->cr_label);
1361 obj = SLOT(pplabel);
1363 if (!mls_dominate_effective(subj, obj))
1370 mls_pipe_check_read(struct ucred *cred, struct pipepair *pp,
1371 struct label *pplabel)
1373 struct mac_mls *subj, *obj;
1378 subj = SLOT(cred->cr_label);
1379 obj = SLOT(pplabel);
1381 if (!mls_dominate_effective(subj, obj))
1388 mls_pipe_check_relabel(struct ucred *cred, struct pipepair *pp,
1389 struct label *pplabel, struct label *newlabel)
1391 struct mac_mls *subj, *obj, *new;
1394 new = SLOT(newlabel);
1395 subj = SLOT(cred->cr_label);
1396 obj = SLOT(pplabel);
1399 * If there is an MLS label update for a pipe, it must be a effective
1402 error = mls_atmostflags(new, MAC_MLS_FLAG_EFFECTIVE);
1407 * To perform a relabel of a pipe (MLS label or not), MLS must
1408 * authorize the relabel.
1410 if (!mls_effective_in_range(obj, subj))
1414 * If the MLS label is to be changed, authorize as appropriate.
1416 if (new->mm_flags & MAC_MLS_FLAG_EFFECTIVE) {
1418 * To change the MLS label on a pipe, the new pipe label must
1419 * be in the subject range.
1421 if (!mls_effective_in_range(new, subj))
1425 * To change the MLS label on a pipe to be EQUAL, the subject
1426 * must have appropriate privilege.
1428 if (mls_contains_equal(new)) {
1429 error = mls_subject_privileged(subj);
1439 mls_pipe_check_stat(struct ucred *cred, struct pipepair *pp,
1440 struct label *pplabel)
1442 struct mac_mls *subj, *obj;
1447 subj = SLOT(cred->cr_label);
1448 obj = SLOT(pplabel);
1450 if (!mls_dominate_effective(subj, obj))
1457 mls_pipe_check_write(struct ucred *cred, struct pipepair *pp,
1458 struct label *pplabel)
1460 struct mac_mls *subj, *obj;
1465 subj = SLOT(cred->cr_label);
1466 obj = SLOT(pplabel);
1468 if (!mls_dominate_effective(obj, subj))
1475 mls_pipe_create(struct ucred *cred, struct pipepair *pp,
1476 struct label *pplabel)
1478 struct mac_mls *source, *dest;
1480 source = SLOT(cred->cr_label);
1481 dest = SLOT(pplabel);
1483 mls_copy_effective(source, dest);
1487 mls_pipe_relabel(struct ucred *cred, struct pipepair *pp,
1488 struct label *pplabel, struct label *newlabel)
1490 struct mac_mls *source, *dest;
1492 source = SLOT(newlabel);
1493 dest = SLOT(pplabel);
1495 mls_copy(source, dest);
1499 mls_posixsem_check_openunlink(struct ucred *cred, struct ksem *ks,
1500 struct label *kslabel)
1502 struct mac_mls *subj, *obj;
1507 subj = SLOT(cred->cr_label);
1508 obj = SLOT(kslabel);
1510 if (!mls_dominate_effective(obj, subj))
1517 mls_posixsem_check_rdonly(struct ucred *active_cred, struct ucred *file_cred,
1518 struct ksem *ks, struct label *kslabel)
1520 struct mac_mls *subj, *obj;
1525 subj = SLOT(active_cred->cr_label);
1526 obj = SLOT(kslabel);
1528 if (!mls_dominate_effective(subj, obj))
1535 mls_posixsem_check_write(struct ucred *active_cred, struct ucred *file_cred,
1536 struct ksem *ks, struct label *kslabel)
1538 struct mac_mls *subj, *obj;
1543 subj = SLOT(active_cred->cr_label);
1544 obj = SLOT(kslabel);
1546 if (!mls_dominate_effective(obj, subj))
1553 mls_posixsem_create(struct ucred *cred, struct ksem *ks,
1554 struct label *kslabel)
1556 struct mac_mls *source, *dest;
1558 source = SLOT(cred->cr_label);
1559 dest = SLOT(kslabel);
1561 mls_copy_effective(source, dest);
1565 mls_proc_check_debug(struct ucred *cred, struct proc *p)
1567 struct mac_mls *subj, *obj;
1572 subj = SLOT(cred->cr_label);
1573 obj = SLOT(p->p_ucred->cr_label);
1575 /* XXX: range checks */
1576 if (!mls_dominate_effective(subj, obj))
1578 if (!mls_dominate_effective(obj, subj))
1585 mls_proc_check_sched(struct ucred *cred, struct proc *p)
1587 struct mac_mls *subj, *obj;
1592 subj = SLOT(cred->cr_label);
1593 obj = SLOT(p->p_ucred->cr_label);
1595 /* XXX: range checks */
1596 if (!mls_dominate_effective(subj, obj))
1598 if (!mls_dominate_effective(obj, subj))
1605 mls_proc_check_signal(struct ucred *cred, struct proc *p, int signum)
1607 struct mac_mls *subj, *obj;
1612 subj = SLOT(cred->cr_label);
1613 obj = SLOT(p->p_ucred->cr_label);
1615 /* XXX: range checks */
1616 if (!mls_dominate_effective(subj, obj))
1618 if (!mls_dominate_effective(obj, subj))
1625 mls_socket_check_deliver(struct socket *so, struct label *solabel,
1626 struct mbuf *m, struct label *mlabel)
1628 struct mac_mls *p, *s;
1638 error = mls_equal_effective(p, s) ? 0 : EACCES;
1645 mls_socket_check_relabel(struct ucred *cred, struct socket *so,
1646 struct label *solabel, struct label *newlabel)
1648 struct mac_mls *subj, *obj, *new;
1651 SOCK_LOCK_ASSERT(so);
1653 new = SLOT(newlabel);
1654 subj = SLOT(cred->cr_label);
1655 obj = SLOT(solabel);
1658 * If there is an MLS label update for the socket, it may be an
1659 * update of effective.
1661 error = mls_atmostflags(new, MAC_MLS_FLAG_EFFECTIVE);
1666 * To relabel a socket, the old socket effective must be in the
1669 if (!mls_effective_in_range(obj, subj))
1673 * If the MLS label is to be changed, authorize as appropriate.
1675 if (new->mm_flags & MAC_MLS_FLAG_EFFECTIVE) {
1677 * To relabel a socket, the new socket effective must be in
1678 * the subject range.
1680 if (!mls_effective_in_range(new, subj))
1684 * To change the MLS label on the socket to contain EQUAL,
1685 * the subject must have appropriate privilege.
1687 if (mls_contains_equal(new)) {
1688 error = mls_subject_privileged(subj);
1698 mls_socket_check_visible(struct ucred *cred, struct socket *so,
1699 struct label *solabel)
1701 struct mac_mls *subj, *obj;
1706 subj = SLOT(cred->cr_label);
1707 obj = SLOT(solabel);
1710 if (!mls_dominate_effective(subj, obj)) {
1720 mls_socket_create(struct ucred *cred, struct socket *so,
1721 struct label *solabel)
1723 struct mac_mls *source, *dest;
1725 source = SLOT(cred->cr_label);
1726 dest = SLOT(solabel);
1728 mls_copy_effective(source, dest);
1732 mls_socket_create_mbuf(struct socket *so, struct label *solabel,
1733 struct mbuf *m, struct label *mlabel)
1735 struct mac_mls *source, *dest;
1737 source = SLOT(solabel);
1738 dest = SLOT(mlabel);
1741 mls_copy_effective(source, dest);
1746 mls_socket_newconn(struct socket *oldso, struct label *oldsolabel,
1747 struct socket *newso, struct label *newsolabel)
1749 struct mac_mls source, *dest;
1752 source = *SLOT(oldsolabel);
1755 dest = SLOT(newsolabel);
1758 mls_copy_effective(&source, dest);
1763 mls_socket_relabel(struct ucred *cred, struct socket *so,
1764 struct label *solabel, struct label *newlabel)
1766 struct mac_mls *source, *dest;
1768 SOCK_LOCK_ASSERT(so);
1770 source = SLOT(newlabel);
1771 dest = SLOT(solabel);
1773 mls_copy(source, dest);
1777 mls_socketpeer_set_from_mbuf(struct mbuf *m, struct label *mlabel,
1778 struct socket *so, struct label *sopeerlabel)
1780 struct mac_mls *source, *dest;
1782 source = SLOT(mlabel);
1783 dest = SLOT(sopeerlabel);
1786 mls_copy_effective(source, dest);
1791 mls_socketpeer_set_from_socket(struct socket *oldso,
1792 struct label *oldsolabel, struct socket *newso,
1793 struct label *newsopeerlabel)
1795 struct mac_mls source, *dest;
1798 source = *SLOT(oldsolabel);
1801 dest = SLOT(newsopeerlabel);
1804 mls_copy_effective(&source, dest);
1809 mls_syncache_create(struct label *label, struct inpcb *inp)
1811 struct mac_mls *source, *dest;
1813 source = SLOT(inp->inp_label);
1816 mls_copy_effective(source, dest);
1820 mls_syncache_create_mbuf(struct label *sc_label, struct mbuf *m,
1821 struct label *mlabel)
1823 struct mac_mls *source, *dest;
1825 source = SLOT(sc_label);
1826 dest = SLOT(mlabel);
1828 mls_copy_effective(source, dest);
1832 mls_system_check_acct(struct ucred *cred, struct vnode *vp,
1833 struct label *vplabel)
1835 struct mac_mls *subj, *obj;
1840 subj = SLOT(cred->cr_label);
1841 obj = SLOT(vplabel);
1843 if (!mls_dominate_effective(obj, subj) ||
1844 !mls_dominate_effective(subj, obj))
1851 mls_system_check_auditctl(struct ucred *cred, struct vnode *vp,
1852 struct label *vplabel)
1854 struct mac_mls *subj, *obj;
1859 subj = SLOT(cred->cr_label);
1860 obj = SLOT(vplabel);
1862 if (!mls_dominate_effective(obj, subj) ||
1863 !mls_dominate_effective(subj, obj))
1870 mls_system_check_swapon(struct ucred *cred, struct vnode *vp,
1871 struct label *vplabel)
1873 struct mac_mls *subj, *obj;
1878 subj = SLOT(cred->cr_label);
1879 obj = SLOT(vplabel);
1881 if (!mls_dominate_effective(obj, subj) ||
1882 !mls_dominate_effective(subj, obj))
1889 mls_sysvmsg_cleanup(struct label *msglabel)
1892 bzero(SLOT(msglabel), sizeof(struct mac_mls));
1896 mls_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr,
1897 struct label *msqlabel, struct msg *msgptr, struct label *msglabel)
1899 struct mac_mls *source, *dest;
1901 /* Ignore the msgq label. */
1902 source = SLOT(cred->cr_label);
1903 dest = SLOT(msglabel);
1905 mls_copy_effective(source, dest);
1909 mls_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr,
1910 struct label *msglabel)
1912 struct mac_mls *subj, *obj;
1917 subj = SLOT(cred->cr_label);
1918 obj = SLOT(msglabel);
1920 if (!mls_dominate_effective(subj, obj))
1927 mls_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr,
1928 struct label *msglabel)
1930 struct mac_mls *subj, *obj;
1935 subj = SLOT(cred->cr_label);
1936 obj = SLOT(msglabel);
1938 if (!mls_dominate_effective(obj, subj))
1945 mls_sysvmsq_check_msqget(struct ucred *cred, struct msqid_kernel *msqkptr,
1946 struct label *msqklabel)
1948 struct mac_mls *subj, *obj;
1953 subj = SLOT(cred->cr_label);
1954 obj = SLOT(msqklabel);
1956 if (!mls_dominate_effective(subj, obj))
1963 mls_sysvmsq_check_msqsnd(struct ucred *cred, struct msqid_kernel *msqkptr,
1964 struct label *msqklabel)
1966 struct mac_mls *subj, *obj;
1971 subj = SLOT(cred->cr_label);
1972 obj = SLOT(msqklabel);
1974 if (!mls_dominate_effective(obj, subj))
1981 mls_sysvmsq_check_msqrcv(struct ucred *cred, struct msqid_kernel *msqkptr,
1982 struct label *msqklabel)
1984 struct mac_mls *subj, *obj;
1989 subj = SLOT(cred->cr_label);
1990 obj = SLOT(msqklabel);
1992 if (!mls_dominate_effective(subj, obj))
1999 mls_sysvmsq_check_msqctl(struct ucred *cred, struct msqid_kernel *msqkptr,
2000 struct label *msqklabel, int cmd)
2002 struct mac_mls *subj, *obj;
2007 subj = SLOT(cred->cr_label);
2008 obj = SLOT(msqklabel);
2013 if (!mls_dominate_effective(obj, subj))
2018 if (!mls_dominate_effective(subj, obj))
2030 mls_sysvmsq_cleanup(struct label *msqlabel)
2033 bzero(SLOT(msqlabel), sizeof(struct mac_mls));
2037 mls_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr,
2038 struct label *msqlabel)
2040 struct mac_mls *source, *dest;
2042 source = SLOT(cred->cr_label);
2043 dest = SLOT(msqlabel);
2045 mls_copy_effective(source, dest);
2049 mls_sysvsem_check_semctl(struct ucred *cred, struct semid_kernel *semakptr,
2050 struct label *semaklabel, int cmd)
2052 struct mac_mls *subj, *obj;
2057 subj = SLOT(cred->cr_label);
2058 obj = SLOT(semaklabel);
2065 if (!mls_dominate_effective(obj, subj))
2075 if (!mls_dominate_effective(subj, obj))
2087 mls_sysvsem_check_semget(struct ucred *cred, struct semid_kernel *semakptr,
2088 struct label *semaklabel)
2090 struct mac_mls *subj, *obj;
2095 subj = SLOT(cred->cr_label);
2096 obj = SLOT(semaklabel);
2098 if (!mls_dominate_effective(subj, obj))
2105 mls_sysvsem_check_semop(struct ucred *cred, struct semid_kernel *semakptr,
2106 struct label *semaklabel, size_t accesstype)
2108 struct mac_mls *subj, *obj;
2113 subj = SLOT(cred->cr_label);
2114 obj = SLOT(semaklabel);
2116 if( accesstype & SEM_R )
2117 if (!mls_dominate_effective(subj, obj))
2120 if( accesstype & SEM_A )
2121 if (!mls_dominate_effective(obj, subj))
2128 mls_sysvsem_cleanup(struct label *semalabel)
2131 bzero(SLOT(semalabel), sizeof(struct mac_mls));
2135 mls_sysvsem_create(struct ucred *cred, struct semid_kernel *semakptr,
2136 struct label *semalabel)
2138 struct mac_mls *source, *dest;
2140 source = SLOT(cred->cr_label);
2141 dest = SLOT(semalabel);
2143 mls_copy_effective(source, dest);
2147 mls_sysvshm_check_shmat(struct ucred *cred, struct shmid_kernel *shmsegptr,
2148 struct label *shmseglabel, int shmflg)
2150 struct mac_mls *subj, *obj;
2155 subj = SLOT(cred->cr_label);
2156 obj = SLOT(shmseglabel);
2158 if (!mls_dominate_effective(subj, obj))
2160 if ((shmflg & SHM_RDONLY) == 0) {
2161 if (!mls_dominate_effective(obj, subj))
2169 mls_sysvshm_check_shmctl(struct ucred *cred, struct shmid_kernel *shmsegptr,
2170 struct label *shmseglabel, int cmd)
2172 struct mac_mls *subj, *obj;
2177 subj = SLOT(cred->cr_label);
2178 obj = SLOT(shmseglabel);
2183 if (!mls_dominate_effective(obj, subj))
2189 if (!mls_dominate_effective(subj, obj))
2201 mls_sysvshm_check_shmget(struct ucred *cred, struct shmid_kernel *shmsegptr,
2202 struct label *shmseglabel, int shmflg)
2204 struct mac_mls *subj, *obj;
2209 subj = SLOT(cred->cr_label);
2210 obj = SLOT(shmseglabel);
2212 if (!mls_dominate_effective(obj, subj))
2219 mls_sysvshm_cleanup(struct label *shmlabel)
2222 bzero(SLOT(shmlabel), sizeof(struct mac_mls));
2226 mls_sysvshm_create(struct ucred *cred, struct shmid_kernel *shmsegptr,
2227 struct label *shmlabel)
2229 struct mac_mls *source, *dest;
2231 source = SLOT(cred->cr_label);
2232 dest = SLOT(shmlabel);
2234 mls_copy_effective(source, dest);
2238 mls_vnode_associate_extattr(struct mount *mp, struct label *mplabel,
2239 struct vnode *vp, struct label *vplabel)
2241 struct mac_mls mm_temp, *source, *dest;
2244 source = SLOT(mplabel);
2245 dest = SLOT(vplabel);
2247 buflen = sizeof(mm_temp);
2248 bzero(&mm_temp, buflen);
2250 error = vn_extattr_get(vp, IO_NODELOCKED, MAC_MLS_EXTATTR_NAMESPACE,
2251 MAC_MLS_EXTATTR_NAME, &buflen, (char *) &mm_temp, curthread);
2252 if (error == ENOATTR || error == EOPNOTSUPP) {
2253 /* Fall back to the mntlabel. */
2254 mls_copy_effective(source, dest);
2259 if (buflen != sizeof(mm_temp)) {
2260 printf("mls_vnode_associate_extattr: bad size %d\n", buflen);
2263 if (mls_valid(&mm_temp) != 0) {
2264 printf("mls_vnode_associate_extattr: invalid\n");
2267 if ((mm_temp.mm_flags & MAC_MLS_FLAGS_BOTH) !=
2268 MAC_MLS_FLAG_EFFECTIVE) {
2269 printf("mls_associated_vnode_extattr: not effective\n");
2273 mls_copy_effective(&mm_temp, dest);
2278 mls_vnode_associate_singlelabel(struct mount *mp, struct label *mplabel,
2279 struct vnode *vp, struct label *vplabel)
2281 struct mac_mls *source, *dest;
2283 source = SLOT(mplabel);
2284 dest = SLOT(vplabel);
2286 mls_copy_effective(source, dest);
2290 mls_vnode_check_chdir(struct ucred *cred, struct vnode *dvp,
2291 struct label *dvplabel)
2293 struct mac_mls *subj, *obj;
2298 subj = SLOT(cred->cr_label);
2299 obj = SLOT(dvplabel);
2301 if (!mls_dominate_effective(subj, obj))
2308 mls_vnode_check_chroot(struct ucred *cred, struct vnode *dvp,
2309 struct label *dvplabel)
2311 struct mac_mls *subj, *obj;
2316 subj = SLOT(cred->cr_label);
2317 obj = SLOT(dvplabel);
2319 if (!mls_dominate_effective(subj, obj))
2326 mls_vnode_check_create(struct ucred *cred, struct vnode *dvp,
2327 struct label *dvplabel, struct componentname *cnp, struct vattr *vap)
2329 struct mac_mls *subj, *obj;
2334 subj = SLOT(cred->cr_label);
2335 obj = SLOT(dvplabel);
2337 if (!mls_dominate_effective(obj, subj))
2344 mls_vnode_check_deleteacl(struct ucred *cred, struct vnode *vp,
2345 struct label *vplabel, acl_type_t type)
2347 struct mac_mls *subj, *obj;
2352 subj = SLOT(cred->cr_label);
2353 obj = SLOT(vplabel);
2355 if (!mls_dominate_effective(obj, subj))
2362 mls_vnode_check_deleteextattr(struct ucred *cred, struct vnode *vp,
2363 struct label *vplabel, int attrnamespace, const char *name)
2365 struct mac_mls *subj, *obj;
2370 subj = SLOT(cred->cr_label);
2371 obj = SLOT(vplabel);
2373 if (!mls_dominate_effective(obj, subj))
2380 mls_vnode_check_exec(struct ucred *cred, struct vnode *vp,
2381 struct label *vplabel, struct image_params *imgp,
2382 struct label *execlabel)
2384 struct mac_mls *subj, *obj, *exec;
2387 if (execlabel != NULL) {
2389 * We currently don't permit labels to be changed at
2390 * exec-time as part of MLS, so disallow non-NULL MLS label
2391 * elements in the execlabel.
2393 exec = SLOT(execlabel);
2394 error = mls_atmostflags(exec, 0);
2402 subj = SLOT(cred->cr_label);
2403 obj = SLOT(vplabel);
2405 if (!mls_dominate_effective(subj, obj))
2412 mls_vnode_check_getacl(struct ucred *cred, struct vnode *vp,
2413 struct label *vplabel, acl_type_t type)
2415 struct mac_mls *subj, *obj;
2420 subj = SLOT(cred->cr_label);
2421 obj = SLOT(vplabel);
2423 if (!mls_dominate_effective(subj, obj))
2430 mls_vnode_check_getextattr(struct ucred *cred, struct vnode *vp,
2431 struct label *vplabel, int attrnamespace, const char *name)
2433 struct mac_mls *subj, *obj;
2438 subj = SLOT(cred->cr_label);
2439 obj = SLOT(vplabel);
2441 if (!mls_dominate_effective(subj, obj))
2448 mls_vnode_check_link(struct ucred *cred, struct vnode *dvp,
2449 struct label *dvplabel, struct vnode *vp, struct label *vplabel,
2450 struct componentname *cnp)
2452 struct mac_mls *subj, *obj;
2457 subj = SLOT(cred->cr_label);
2458 obj = SLOT(dvplabel);
2460 if (!mls_dominate_effective(obj, subj))
2463 obj = SLOT(vplabel);
2464 if (!mls_dominate_effective(obj, subj))
2471 mls_vnode_check_listextattr(struct ucred *cred, struct vnode *vp,
2472 struct label *vplabel, int attrnamespace)
2475 struct mac_mls *subj, *obj;
2480 subj = SLOT(cred->cr_label);
2481 obj = SLOT(vplabel);
2483 if (!mls_dominate_effective(subj, obj))
2490 mls_vnode_check_lookup(struct ucred *cred, struct vnode *dvp,
2491 struct label *dvplabel, struct componentname *cnp)
2493 struct mac_mls *subj, *obj;
2498 subj = SLOT(cred->cr_label);
2499 obj = SLOT(dvplabel);
2501 if (!mls_dominate_effective(subj, obj))
2508 mls_vnode_check_mmap(struct ucred *cred, struct vnode *vp,
2509 struct label *vplabel, int prot, int flags)
2511 struct mac_mls *subj, *obj;
2514 * Rely on the use of open()-time protections to handle
2515 * non-revocation cases.
2517 if (!mls_enabled || !revocation_enabled)
2520 subj = SLOT(cred->cr_label);
2521 obj = SLOT(vplabel);
2523 if (prot & (VM_PROT_READ | VM_PROT_EXECUTE)) {
2524 if (!mls_dominate_effective(subj, obj))
2527 if (((prot & VM_PROT_WRITE) != 0) && ((flags & MAP_SHARED) != 0)) {
2528 if (!mls_dominate_effective(obj, subj))
2536 mls_vnode_check_open(struct ucred *cred, struct vnode *vp,
2537 struct label *vplabel, accmode_t accmode)
2539 struct mac_mls *subj, *obj;
2544 subj = SLOT(cred->cr_label);
2545 obj = SLOT(vplabel);
2547 /* XXX privilege override for admin? */
2548 if (accmode & (VREAD | VEXEC | VSTAT_PERMS)) {
2549 if (!mls_dominate_effective(subj, obj))
2552 if (accmode & VMODIFY_PERMS) {
2553 if (!mls_dominate_effective(obj, subj))
2561 mls_vnode_check_poll(struct ucred *active_cred, struct ucred *file_cred,
2562 struct vnode *vp, struct label *vplabel)
2564 struct mac_mls *subj, *obj;
2566 if (!mls_enabled || !revocation_enabled)
2569 subj = SLOT(active_cred->cr_label);
2570 obj = SLOT(vplabel);
2572 if (!mls_dominate_effective(subj, obj))
2579 mls_vnode_check_read(struct ucred *active_cred, struct ucred *file_cred,
2580 struct vnode *vp, struct label *vplabel)
2582 struct mac_mls *subj, *obj;
2584 if (!mls_enabled || !revocation_enabled)
2587 subj = SLOT(active_cred->cr_label);
2588 obj = SLOT(vplabel);
2590 if (!mls_dominate_effective(subj, obj))
2597 mls_vnode_check_readdir(struct ucred *cred, struct vnode *dvp,
2598 struct label *dvplabel)
2600 struct mac_mls *subj, *obj;
2605 subj = SLOT(cred->cr_label);
2606 obj = SLOT(dvplabel);
2608 if (!mls_dominate_effective(subj, obj))
2615 mls_vnode_check_readlink(struct ucred *cred, struct vnode *vp,
2616 struct label *vplabel)
2618 struct mac_mls *subj, *obj;
2623 subj = SLOT(cred->cr_label);
2624 obj = SLOT(vplabel);
2626 if (!mls_dominate_effective(subj, obj))
2633 mls_vnode_check_relabel(struct ucred *cred, struct vnode *vp,
2634 struct label *vplabel, struct label *newlabel)
2636 struct mac_mls *old, *new, *subj;
2639 old = SLOT(vplabel);
2640 new = SLOT(newlabel);
2641 subj = SLOT(cred->cr_label);
2644 * If there is an MLS label update for the vnode, it must be a
2647 error = mls_atmostflags(new, MAC_MLS_FLAG_EFFECTIVE);
2652 * To perform a relabel of the vnode (MLS label or not), MLS must
2653 * authorize the relabel.
2655 if (!mls_effective_in_range(old, subj))
2659 * If the MLS label is to be changed, authorize as appropriate.
2661 if (new->mm_flags & MAC_MLS_FLAG_EFFECTIVE) {
2663 * To change the MLS label on a vnode, the new vnode label
2664 * must be in the subject range.
2666 if (!mls_effective_in_range(new, subj))
2670 * To change the MLS label on the vnode to be EQUAL, the
2671 * subject must have appropriate privilege.
2673 if (mls_contains_equal(new)) {
2674 error = mls_subject_privileged(subj);
2684 mls_vnode_check_rename_from(struct ucred *cred, struct vnode *dvp,
2685 struct label *dvplabel, struct vnode *vp, struct label *vplabel,
2686 struct componentname *cnp)
2688 struct mac_mls *subj, *obj;
2693 subj = SLOT(cred->cr_label);
2694 obj = SLOT(dvplabel);
2696 if (!mls_dominate_effective(obj, subj))
2699 obj = SLOT(vplabel);
2701 if (!mls_dominate_effective(obj, subj))
2708 mls_vnode_check_rename_to(struct ucred *cred, struct vnode *dvp,
2709 struct label *dvplabel, struct vnode *vp, struct label *vplabel,
2710 int samedir, struct componentname *cnp)
2712 struct mac_mls *subj, *obj;
2717 subj = SLOT(cred->cr_label);
2718 obj = SLOT(dvplabel);
2720 if (!mls_dominate_effective(obj, subj))
2724 obj = SLOT(vplabel);
2726 if (!mls_dominate_effective(obj, subj))
2734 mls_vnode_check_revoke(struct ucred *cred, struct vnode *vp,
2735 struct label *vplabel)
2737 struct mac_mls *subj, *obj;
2742 subj = SLOT(cred->cr_label);
2743 obj = SLOT(vplabel);
2745 if (!mls_dominate_effective(obj, subj))
2752 mls_vnode_check_setacl(struct ucred *cred, struct vnode *vp,
2753 struct label *vplabel, acl_type_t type, struct acl *acl)
2755 struct mac_mls *subj, *obj;
2760 subj = SLOT(cred->cr_label);
2761 obj = SLOT(vplabel);
2763 if (!mls_dominate_effective(obj, subj))
2770 mls_vnode_check_setextattr(struct ucred *cred, struct vnode *vp,
2771 struct label *vplabel, int attrnamespace, const char *name)
2773 struct mac_mls *subj, *obj;
2778 subj = SLOT(cred->cr_label);
2779 obj = SLOT(vplabel);
2781 if (!mls_dominate_effective(obj, subj))
2784 /* XXX: protect the MAC EA in a special way? */
2790 mls_vnode_check_setflags(struct ucred *cred, struct vnode *vp,
2791 struct label *vplabel, u_long flags)
2793 struct mac_mls *subj, *obj;
2798 subj = SLOT(cred->cr_label);
2799 obj = SLOT(vplabel);
2801 if (!mls_dominate_effective(obj, subj))
2808 mls_vnode_check_setmode(struct ucred *cred, struct vnode *vp,
2809 struct label *vplabel, mode_t mode)
2811 struct mac_mls *subj, *obj;
2816 subj = SLOT(cred->cr_label);
2817 obj = SLOT(vplabel);
2819 if (!mls_dominate_effective(obj, subj))
2826 mls_vnode_check_setowner(struct ucred *cred, struct vnode *vp,
2827 struct label *vplabel, uid_t uid, gid_t gid)
2829 struct mac_mls *subj, *obj;
2834 subj = SLOT(cred->cr_label);
2835 obj = SLOT(vplabel);
2837 if (!mls_dominate_effective(obj, subj))
2844 mls_vnode_check_setutimes(struct ucred *cred, struct vnode *vp,
2845 struct label *vplabel, struct timespec atime, struct timespec mtime)
2847 struct mac_mls *subj, *obj;
2852 subj = SLOT(cred->cr_label);
2853 obj = SLOT(vplabel);
2855 if (!mls_dominate_effective(obj, subj))
2862 mls_vnode_check_stat(struct ucred *active_cred, struct ucred *file_cred,
2863 struct vnode *vp, struct label *vplabel)
2865 struct mac_mls *subj, *obj;
2870 subj = SLOT(active_cred->cr_label);
2871 obj = SLOT(vplabel);
2873 if (!mls_dominate_effective(subj, obj))
2880 mls_vnode_check_unlink(struct ucred *cred, struct vnode *dvp,
2881 struct label *dvplabel, struct vnode *vp, struct label *vplabel,
2882 struct componentname *cnp)
2884 struct mac_mls *subj, *obj;
2889 subj = SLOT(cred->cr_label);
2890 obj = SLOT(dvplabel);
2892 if (!mls_dominate_effective(obj, subj))
2895 obj = SLOT(vplabel);
2897 if (!mls_dominate_effective(obj, subj))
2904 mls_vnode_check_write(struct ucred *active_cred, struct ucred *file_cred,
2905 struct vnode *vp, struct label *vplabel)
2907 struct mac_mls *subj, *obj;
2909 if (!mls_enabled || !revocation_enabled)
2912 subj = SLOT(active_cred->cr_label);
2913 obj = SLOT(vplabel);
2915 if (!mls_dominate_effective(obj, subj))
2922 mls_vnode_create_extattr(struct ucred *cred, struct mount *mp,
2923 struct label *mplabel, struct vnode *dvp, struct label *dvplabel,
2924 struct vnode *vp, struct label *vplabel, struct componentname *cnp)
2926 struct mac_mls *source, *dest, mm_temp;
2930 buflen = sizeof(mm_temp);
2931 bzero(&mm_temp, buflen);
2933 source = SLOT(cred->cr_label);
2934 dest = SLOT(vplabel);
2935 mls_copy_effective(source, &mm_temp);
2937 error = vn_extattr_set(vp, IO_NODELOCKED, MAC_MLS_EXTATTR_NAMESPACE,
2938 MAC_MLS_EXTATTR_NAME, buflen, (char *) &mm_temp, curthread);
2940 mls_copy_effective(source, dest);
2945 mls_vnode_relabel(struct ucred *cred, struct vnode *vp,
2946 struct label *vplabel, struct label *label)
2948 struct mac_mls *source, *dest;
2950 source = SLOT(label);
2951 dest = SLOT(vplabel);
2953 mls_copy(source, dest);
2957 mls_vnode_setlabel_extattr(struct ucred *cred, struct vnode *vp,
2958 struct label *vplabel, struct label *intlabel)
2960 struct mac_mls *source, mm_temp;
2964 buflen = sizeof(mm_temp);
2965 bzero(&mm_temp, buflen);
2967 source = SLOT(intlabel);
2968 if ((source->mm_flags & MAC_MLS_FLAG_EFFECTIVE) == 0)
2971 mls_copy_effective(source, &mm_temp);
2973 error = vn_extattr_set(vp, IO_NODELOCKED, MAC_MLS_EXTATTR_NAMESPACE,
2974 MAC_MLS_EXTATTR_NAME, buflen, (char *) &mm_temp, curthread);
2978 static struct mac_policy_ops mls_ops =
2980 .mpo_init = mls_init,
2982 .mpo_bpfdesc_check_receive = mls_bpfdesc_check_receive,
2983 .mpo_bpfdesc_create = mls_bpfdesc_create,
2984 .mpo_bpfdesc_create_mbuf = mls_bpfdesc_create_mbuf,
2985 .mpo_bpfdesc_destroy_label = mls_destroy_label,
2986 .mpo_bpfdesc_init_label = mls_init_label,
2988 .mpo_cred_associate_nfsd = mls_cred_associate_nfsd,
2989 .mpo_cred_check_relabel = mls_cred_check_relabel,
2990 .mpo_cred_check_visible = mls_cred_check_visible,
2991 .mpo_cred_copy_label = mls_copy_label,
2992 .mpo_cred_create_init = mls_cred_create_init,
2993 .mpo_cred_create_swapper = mls_cred_create_swapper,
2994 .mpo_cred_destroy_label = mls_destroy_label,
2995 .mpo_cred_externalize_label = mls_externalize_label,
2996 .mpo_cred_init_label = mls_init_label,
2997 .mpo_cred_internalize_label = mls_internalize_label,
2998 .mpo_cred_relabel = mls_cred_relabel,
3000 .mpo_devfs_create_device = mls_devfs_create_device,
3001 .mpo_devfs_create_directory = mls_devfs_create_directory,
3002 .mpo_devfs_create_symlink = mls_devfs_create_symlink,
3003 .mpo_devfs_destroy_label = mls_destroy_label,
3004 .mpo_devfs_init_label = mls_init_label,
3005 .mpo_devfs_update = mls_devfs_update,
3006 .mpo_devfs_vnode_associate = mls_devfs_vnode_associate,
3008 .mpo_ifnet_check_relabel = mls_ifnet_check_relabel,
3009 .mpo_ifnet_check_transmit = mls_ifnet_check_transmit,
3010 .mpo_ifnet_copy_label = mls_copy_label,
3011 .mpo_ifnet_create = mls_ifnet_create,
3012 .mpo_ifnet_create_mbuf = mls_ifnet_create_mbuf,
3013 .mpo_ifnet_destroy_label = mls_destroy_label,
3014 .mpo_ifnet_externalize_label = mls_externalize_label,
3015 .mpo_ifnet_init_label = mls_init_label,
3016 .mpo_ifnet_internalize_label = mls_internalize_label,
3017 .mpo_ifnet_relabel = mls_ifnet_relabel,
3019 .mpo_inpcb_check_deliver = mls_inpcb_check_deliver,
3020 .mpo_inpcb_check_visible = mls_inpcb_check_visible,
3021 .mpo_inpcb_create = mls_inpcb_create,
3022 .mpo_inpcb_create_mbuf = mls_inpcb_create_mbuf,
3023 .mpo_inpcb_destroy_label = mls_destroy_label,
3024 .mpo_inpcb_init_label = mls_init_label_waitcheck,
3025 .mpo_inpcb_sosetlabel = mls_inpcb_sosetlabel,
3027 .mpo_ip6q_create = mls_ip6q_create,
3028 .mpo_ip6q_destroy_label = mls_destroy_label,
3029 .mpo_ip6q_init_label = mls_init_label_waitcheck,
3030 .mpo_ip6q_match = mls_ip6q_match,
3031 .mpo_ip6q_reassemble = mls_ip6q_reassemble,
3032 .mpo_ip6q_update = mls_ip6q_update,
3034 .mpo_ipq_create = mls_ipq_create,
3035 .mpo_ipq_destroy_label = mls_destroy_label,
3036 .mpo_ipq_init_label = mls_init_label_waitcheck,
3037 .mpo_ipq_match = mls_ipq_match,
3038 .mpo_ipq_reassemble = mls_ipq_reassemble,
3039 .mpo_ipq_update = mls_ipq_update,
3041 .mpo_mbuf_copy_label = mls_copy_label,
3042 .mpo_mbuf_destroy_label = mls_destroy_label,
3043 .mpo_mbuf_init_label = mls_init_label_waitcheck,
3045 .mpo_mount_check_stat = mls_mount_check_stat,
3046 .mpo_mount_create = mls_mount_create,
3047 .mpo_mount_destroy_label = mls_destroy_label,
3048 .mpo_mount_init_label = mls_init_label,
3050 .mpo_netatalk_aarp_send = mls_netatalk_aarp_send,
3052 .mpo_netinet_arp_send = mls_netinet_arp_send,
3053 .mpo_netinet_firewall_reply = mls_netinet_firewall_reply,
3054 .mpo_netinet_firewall_send = mls_netinet_firewall_send,
3055 .mpo_netinet_fragment = mls_netinet_fragment,
3056 .mpo_netinet_icmp_reply = mls_netinet_icmp_reply,
3057 .mpo_netinet_igmp_send = mls_netinet_igmp_send,
3059 .mpo_netinet6_nd6_send = mls_netinet6_nd6_send,
3061 .mpo_pipe_check_ioctl = mls_pipe_check_ioctl,
3062 .mpo_pipe_check_poll = mls_pipe_check_poll,
3063 .mpo_pipe_check_read = mls_pipe_check_read,
3064 .mpo_pipe_check_relabel = mls_pipe_check_relabel,
3065 .mpo_pipe_check_stat = mls_pipe_check_stat,
3066 .mpo_pipe_check_write = mls_pipe_check_write,
3067 .mpo_pipe_copy_label = mls_copy_label,
3068 .mpo_pipe_create = mls_pipe_create,
3069 .mpo_pipe_destroy_label = mls_destroy_label,
3070 .mpo_pipe_externalize_label = mls_externalize_label,
3071 .mpo_pipe_init_label = mls_init_label,
3072 .mpo_pipe_internalize_label = mls_internalize_label,
3073 .mpo_pipe_relabel = mls_pipe_relabel,
3075 .mpo_posixsem_check_getvalue = mls_posixsem_check_rdonly,
3076 .mpo_posixsem_check_open = mls_posixsem_check_openunlink,
3077 .mpo_posixsem_check_post = mls_posixsem_check_write,
3078 .mpo_posixsem_check_stat = mls_posixsem_check_rdonly,
3079 .mpo_posixsem_check_unlink = mls_posixsem_check_openunlink,
3080 .mpo_posixsem_check_wait = mls_posixsem_check_write,
3081 .mpo_posixsem_create = mls_posixsem_create,
3082 .mpo_posixsem_destroy_label = mls_destroy_label,
3083 .mpo_posixsem_init_label = mls_init_label,
3085 .mpo_proc_check_debug = mls_proc_check_debug,
3086 .mpo_proc_check_sched = mls_proc_check_sched,
3087 .mpo_proc_check_signal = mls_proc_check_signal,
3089 .mpo_socket_check_deliver = mls_socket_check_deliver,
3090 .mpo_socket_check_relabel = mls_socket_check_relabel,
3091 .mpo_socket_check_visible = mls_socket_check_visible,
3092 .mpo_socket_copy_label = mls_copy_label,
3093 .mpo_socket_create = mls_socket_create,
3094 .mpo_socket_create_mbuf = mls_socket_create_mbuf,
3095 .mpo_socket_destroy_label = mls_destroy_label,
3096 .mpo_socket_externalize_label = mls_externalize_label,
3097 .mpo_socket_init_label = mls_init_label_waitcheck,
3098 .mpo_socket_internalize_label = mls_internalize_label,
3099 .mpo_socket_newconn = mls_socket_newconn,
3100 .mpo_socket_relabel = mls_socket_relabel,
3102 .mpo_socketpeer_destroy_label = mls_destroy_label,
3103 .mpo_socketpeer_externalize_label = mls_externalize_label,
3104 .mpo_socketpeer_init_label = mls_init_label_waitcheck,
3105 .mpo_socketpeer_set_from_mbuf = mls_socketpeer_set_from_mbuf,
3106 .mpo_socketpeer_set_from_socket = mls_socketpeer_set_from_socket,
3108 .mpo_syncache_create = mls_syncache_create,
3109 .mpo_syncache_create_mbuf = mls_syncache_create_mbuf,
3110 .mpo_syncache_destroy_label = mls_destroy_label,
3111 .mpo_syncache_init_label = mls_init_label_waitcheck,
3113 .mpo_sysvmsg_cleanup = mls_sysvmsg_cleanup,
3114 .mpo_sysvmsg_create = mls_sysvmsg_create,
3115 .mpo_sysvmsg_destroy_label = mls_destroy_label,
3116 .mpo_sysvmsg_init_label = mls_init_label,
3118 .mpo_sysvmsq_check_msgrcv = mls_sysvmsq_check_msgrcv,
3119 .mpo_sysvmsq_check_msgrmid = mls_sysvmsq_check_msgrmid,
3120 .mpo_sysvmsq_check_msqget = mls_sysvmsq_check_msqget,
3121 .mpo_sysvmsq_check_msqsnd = mls_sysvmsq_check_msqsnd,
3122 .mpo_sysvmsq_check_msqrcv = mls_sysvmsq_check_msqrcv,
3123 .mpo_sysvmsq_check_msqctl = mls_sysvmsq_check_msqctl,
3124 .mpo_sysvmsq_cleanup = mls_sysvmsq_cleanup,
3125 .mpo_sysvmsq_destroy_label = mls_destroy_label,
3126 .mpo_sysvmsq_init_label = mls_init_label,
3127 .mpo_sysvmsq_create = mls_sysvmsq_create,
3129 .mpo_sysvsem_check_semctl = mls_sysvsem_check_semctl,
3130 .mpo_sysvsem_check_semget = mls_sysvsem_check_semget,
3131 .mpo_sysvsem_check_semop = mls_sysvsem_check_semop,
3132 .mpo_sysvsem_cleanup = mls_sysvsem_cleanup,
3133 .mpo_sysvsem_create = mls_sysvsem_create,
3134 .mpo_sysvsem_destroy_label = mls_destroy_label,
3135 .mpo_sysvsem_init_label = mls_init_label,
3137 .mpo_sysvshm_check_shmat = mls_sysvshm_check_shmat,
3138 .mpo_sysvshm_check_shmctl = mls_sysvshm_check_shmctl,
3139 .mpo_sysvshm_check_shmget = mls_sysvshm_check_shmget,
3140 .mpo_sysvshm_cleanup = mls_sysvshm_cleanup,
3141 .mpo_sysvshm_create = mls_sysvshm_create,
3142 .mpo_sysvshm_destroy_label = mls_destroy_label,
3143 .mpo_sysvshm_init_label = mls_init_label,
3146 .mpo_system_check_acct = mls_system_check_acct,
3147 .mpo_system_check_auditctl = mls_system_check_auditctl,
3148 .mpo_system_check_swapon = mls_system_check_swapon,
3150 .mpo_vnode_associate_extattr = mls_vnode_associate_extattr,
3151 .mpo_vnode_associate_singlelabel = mls_vnode_associate_singlelabel,
3152 .mpo_vnode_check_access = mls_vnode_check_open,
3153 .mpo_vnode_check_chdir = mls_vnode_check_chdir,
3154 .mpo_vnode_check_chroot = mls_vnode_check_chroot,
3155 .mpo_vnode_check_create = mls_vnode_check_create,
3156 .mpo_vnode_check_deleteacl = mls_vnode_check_deleteacl,
3157 .mpo_vnode_check_deleteextattr = mls_vnode_check_deleteextattr,
3158 .mpo_vnode_check_exec = mls_vnode_check_exec,
3159 .mpo_vnode_check_getacl = mls_vnode_check_getacl,
3160 .mpo_vnode_check_getextattr = mls_vnode_check_getextattr,
3161 .mpo_vnode_check_link = mls_vnode_check_link,
3162 .mpo_vnode_check_listextattr = mls_vnode_check_listextattr,
3163 .mpo_vnode_check_lookup = mls_vnode_check_lookup,
3164 .mpo_vnode_check_mmap = mls_vnode_check_mmap,
3165 .mpo_vnode_check_open = mls_vnode_check_open,
3166 .mpo_vnode_check_poll = mls_vnode_check_poll,
3167 .mpo_vnode_check_read = mls_vnode_check_read,
3168 .mpo_vnode_check_readdir = mls_vnode_check_readdir,
3169 .mpo_vnode_check_readlink = mls_vnode_check_readlink,
3170 .mpo_vnode_check_relabel = mls_vnode_check_relabel,
3171 .mpo_vnode_check_rename_from = mls_vnode_check_rename_from,
3172 .mpo_vnode_check_rename_to = mls_vnode_check_rename_to,
3173 .mpo_vnode_check_revoke = mls_vnode_check_revoke,
3174 .mpo_vnode_check_setacl = mls_vnode_check_setacl,
3175 .mpo_vnode_check_setextattr = mls_vnode_check_setextattr,
3176 .mpo_vnode_check_setflags = mls_vnode_check_setflags,
3177 .mpo_vnode_check_setmode = mls_vnode_check_setmode,
3178 .mpo_vnode_check_setowner = mls_vnode_check_setowner,
3179 .mpo_vnode_check_setutimes = mls_vnode_check_setutimes,
3180 .mpo_vnode_check_stat = mls_vnode_check_stat,
3181 .mpo_vnode_check_unlink = mls_vnode_check_unlink,
3182 .mpo_vnode_check_write = mls_vnode_check_write,
3183 .mpo_vnode_copy_label = mls_copy_label,
3184 .mpo_vnode_create_extattr = mls_vnode_create_extattr,
3185 .mpo_vnode_destroy_label = mls_destroy_label,
3186 .mpo_vnode_externalize_label = mls_externalize_label,
3187 .mpo_vnode_init_label = mls_init_label,
3188 .mpo_vnode_internalize_label = mls_internalize_label,
3189 .mpo_vnode_relabel = mls_vnode_relabel,
3190 .mpo_vnode_setlabel_extattr = mls_vnode_setlabel_extattr,
3193 MAC_POLICY_SET(&mls_ops, mac_mls, "TrustedBSD MAC/MLS",
3194 MPC_LOADTIME_FLAG_NOTLATE, &mls_slot);