2 * Copyright (c) 2003-2004 Networks Associates Technology, Inc.
3 * Copyright (c) 2006 SPARTA, Inc.
4 * Copyright (c) 2008 Apple Inc.
7 * This software was developed for the FreeBSD Project in part by Network
8 * Associates Laboratories, the Security Research Division of Network
9 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
10 * as part of the DARPA CHATS research program.
12 * This software was enhanced by SPARTA ISSO under SPAWAR contract
13 * N66001-04-C-6019 ("SEFOS").
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
42 #include <sys/param.h>
43 #include <sys/kernel.h>
45 #include <sys/malloc.h>
46 #include <sys/mutex.h>
48 #include <sys/systm.h>
49 #include <sys/vnode.h>
50 #include <sys/mount.h>
52 #include <sys/namei.h>
53 #include <sys/sysctl.h>
56 #include <security/mac/mac_framework.h>
57 #include <security/mac/mac_internal.h>
58 #include <security/mac/mac_policy.h>
61 mac_sysv_msgmsg_label_alloc(void)
65 label = mac_labelzone_alloc(M_WAITOK);
66 MAC_PERFORM(sysvmsg_init_label, label);
71 mac_sysvmsg_init(struct msg *msgptr)
74 if (mac_labeled & MPC_OBJECT_SYSVMSG)
75 msgptr->label = mac_sysv_msgmsg_label_alloc();
81 mac_sysv_msgqueue_label_alloc(void)
85 label = mac_labelzone_alloc(M_WAITOK);
86 MAC_PERFORM(sysvmsq_init_label, label);
91 mac_sysvmsq_init(struct msqid_kernel *msqkptr)
94 if (mac_labeled & MPC_OBJECT_SYSVMSQ)
95 msqkptr->label = mac_sysv_msgqueue_label_alloc();
97 msqkptr->label = NULL;
101 mac_sysv_msgmsg_label_free(struct label *label)
104 MAC_PERFORM(sysvmsg_destroy_label, label);
105 mac_labelzone_free(label);
109 mac_sysvmsg_destroy(struct msg *msgptr)
112 if (msgptr->label != NULL) {
113 mac_sysv_msgmsg_label_free(msgptr->label);
114 msgptr->label = NULL;
119 mac_sysv_msgqueue_label_free(struct label *label)
122 MAC_PERFORM(sysvmsq_destroy_label, label);
123 mac_labelzone_free(label);
127 mac_sysvmsq_destroy(struct msqid_kernel *msqkptr)
130 if (msqkptr->label != NULL) {
131 mac_sysv_msgqueue_label_free(msqkptr->label);
132 msqkptr->label = NULL;
137 mac_sysvmsg_create(struct ucred *cred, struct msqid_kernel *msqkptr,
141 MAC_PERFORM(sysvmsg_create, cred, msqkptr, msqkptr->label,
142 msgptr, msgptr->label);
146 mac_sysvmsq_create(struct ucred *cred, struct msqid_kernel *msqkptr)
149 MAC_PERFORM(sysvmsq_create, cred, msqkptr, msqkptr->label);
153 mac_sysvmsg_cleanup(struct msg *msgptr)
156 MAC_PERFORM(sysvmsg_cleanup, msgptr->label);
160 mac_sysvmsq_cleanup(struct msqid_kernel *msqkptr)
163 MAC_PERFORM(sysvmsq_cleanup, msqkptr->label);
167 mac_sysvmsq_check_msgmsq(struct ucred *cred, struct msg *msgptr,
168 struct msqid_kernel *msqkptr)
172 MAC_CHECK(sysvmsq_check_msgmsq, cred, msgptr, msgptr->label,
173 msqkptr, msqkptr->label);
179 mac_sysvmsq_check_msgrcv(struct ucred *cred, struct msg *msgptr)
183 MAC_CHECK(sysvmsq_check_msgrcv, cred, msgptr, msgptr->label);
189 mac_sysvmsq_check_msgrmid(struct ucred *cred, struct msg *msgptr)
193 MAC_CHECK(sysvmsq_check_msgrmid, cred, msgptr, msgptr->label);
199 mac_sysvmsq_check_msqget(struct ucred *cred, struct msqid_kernel *msqkptr)
203 MAC_CHECK(sysvmsq_check_msqget, cred, msqkptr, msqkptr->label);
209 mac_sysvmsq_check_msqsnd(struct ucred *cred, struct msqid_kernel *msqkptr)
213 MAC_CHECK(sysvmsq_check_msqsnd, cred, msqkptr, msqkptr->label);
219 mac_sysvmsq_check_msqrcv(struct ucred *cred, struct msqid_kernel *msqkptr)
223 MAC_CHECK(sysvmsq_check_msqrcv, cred, msqkptr, msqkptr->label);
229 mac_sysvmsq_check_msqctl(struct ucred *cred, struct msqid_kernel *msqkptr,
234 MAC_CHECK(sysvmsq_check_msqctl, cred, msqkptr, msqkptr->label, cmd);