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      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