1 /*-
2 * Copyright (c) 2007-2009 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * This software was developed by Robert Watson for the TrustedBSD Project.
6 *
7 * This software was developed at the University of Cambridge Computer
8 * Laboratory with support from a grant from Google, Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD: stable/9/sys/security/mac/mac_atalk.c 193391 2009-06-03 18:46:28Z rwatson $");
34
35 #include "opt_mac.h"
36
37 #include <sys/param.h>
38 #include <sys/kernel.h>
39 #include <sys/lock.h>
40 #include <sys/malloc.h>
41 #include <sys/mutex.h>
42 #include <sys/sbuf.h>
43 #include <sys/systm.h>
44 #include <sys/mount.h>
45 #include <sys/file.h>
46 #include <sys/namei.h>
47 #include <sys/protosw.h>
48 #include <sys/socket.h>
49 #include <sys/socketvar.h>
50 #include <sys/sysctl.h>
51
52 #include <net/if.h>
53 #include <net/if_var.h>
54
55 #include <security/mac/mac_framework.h>
56 #include <security/mac/mac_internal.h>
57 #include <security/mac/mac_policy.h>
58
59 void
mac_netatalk_aarp_send(struct ifnet * ifp,struct mbuf * m)60 mac_netatalk_aarp_send(struct ifnet *ifp, struct mbuf *m)
61 {
62 struct label *mlabel;
63
64 if (mac_policy_count == 0)
65 return;
66
67 mlabel = mac_mbuf_to_label(m);
68
69 MAC_IFNET_LOCK(ifp);
70 MAC_POLICY_PERFORM_NOSLEEP(netatalk_aarp_send, ifp, ifp->if_label, m,
71 mlabel);
72 MAC_IFNET_UNLOCK(ifp);
73 }
74