1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2004 Video54 Technologies, Inc.
5 * Copyright (c) 2004-2008 Sam Leffler, Errno Consulting
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD: releng/12.0/sys/net80211/ieee80211_xauth.c 326272 2017-11-27 15:23:17Z pfg $");
31
32 /*
33 * External authenticator placeholder module.
34 *
35 * This support is optional; it is only used when the 802.11 layer's
36 * authentication mode is set to use 802.1x or WPA is enabled separately
37 * (for WPA-PSK). If compiled as a module this code does not need
38 * to be present unless 802.1x/WPA is in use.
39 *
40 * The authenticator hooks into the 802.11 layer. At present we use none
41 * of the available callbacks--the user mode authenticator process works
42 * entirely from messages about stations joining and leaving.
43 */
44 #include "opt_wlan.h"
45
46 #include <sys/param.h>
47 #include <sys/kernel.h>
48 #include <sys/systm.h>
49 #include <sys/malloc.h>
50 #include <sys/mbuf.h>
51 #include <sys/module.h>
52
53 #include <sys/socket.h>
54
55 #include <net/if.h>
56 #include <net/if_media.h>
57 #include <net/ethernet.h>
58 #include <net/route.h>
59
60 #include <net80211/ieee80211_var.h>
61
62 /* XXX number of references from net80211 layer; needed for module code */
63 static int nrefs = 0;
64
65 /*
66 * One module handles everything for now. May want
67 * to split things up for embedded applications.
68 */
69 static const struct ieee80211_authenticator xauth = {
70 .ia_name = "external",
71 .ia_attach = NULL,
72 .ia_detach = NULL,
73 .ia_node_join = NULL,
74 .ia_node_leave = NULL,
75 };
76
77 IEEE80211_AUTH_MODULE(xauth, 1);
78 IEEE80211_AUTH_ALG(x8021x, IEEE80211_AUTH_8021X, xauth);
79 IEEE80211_AUTH_ALG(wpa, IEEE80211_AUTH_WPA, xauth);
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