xref: /netbsd/sys/net80211/ieee80211_xauth.c (revision 6550d01e)
1 /*-
2  * Copyright (c) 2004 Video54 Technologies, Inc.
3  * Copyright (c) 2004-2005 Sam Leffler, Errno Consulting
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * Alternatively, this software may be distributed under the terms of the
18  * GNU General Public License ("GPL") version 2 as published by the Free
19  * Software Foundation.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <sys/cdefs.h>
34 #ifdef __FreeBSD__
35 __FBSDID("$FreeBSD: src/sys/net80211/ieee80211_xauth.c,v 1.2 2004/12/31 22:42:38 sam Exp $");
36 #endif
37 #ifdef __NetBSD__
38 __KERNEL_RCSID(0, "$NetBSD: ieee80211_xauth.c,v 1.5 2006/02/27 01:08:28 dyoung Exp $");
39 #endif
40 
41 /*
42  * External authenticator placeholder module.
43  *
44  * This support is optional; it is only used when the 802.11 layer's
45  * authentication mode is set to use 802.1x or WPA is enabled separately
46  * (for WPA-PSK).  If compiled as a module this code does not need
47  * to be present unless 802.1x/WPA is in use.
48  *
49  * The authenticator hooks into the 802.11 layer.  At present we use none
50  * of the available callbacks--the user mode authenticator process works
51  * entirely from messages about stations joining and leaving.
52  */
53 #include <sys/param.h>
54 #include <sys/kernel.h>
55 #include <sys/systm.h>
56 #include <sys/mbuf.h>
57 
58 #include <sys/socket.h>
59 
60 #include <net/if.h>
61 #include <net/if_media.h>
62 #include <net/if_ether.h>
63 #include <net/route.h>
64 
65 #include <net80211/ieee80211_var.h>
66 
67 /*
68  * One module handles everything for now.  May want
69  * to split things up for embedded applications.
70  */
71 static const struct ieee80211_authenticator xauth = {
72 	.ia_name	= "external",
73 	.ia_attach	= NULL,
74 	.ia_detach	= NULL,
75 	.ia_node_join	= NULL,
76 	.ia_node_leave	= NULL,
77 };
78 
79 IEEE80211_CRYPTO_SETUP(ieee80211_external_auth_setup)
80 {
81 	ieee80211_authenticator_register(IEEE80211_AUTH_8021X, &xauth);
82 	ieee80211_authenticator_register(IEEE80211_AUTH_WPA, &xauth);
83 }
84