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ieee80211_xauth.c revision 1.5.62.1 
      1 /*-
      2  * Copyright (c) 2004 Video54 Technologies, Inc.
      3  * Copyright (c) 2004-2007 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  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #include <sys/cdefs.h>
     28 #ifdef __FreeBSD__
     29 __FBSDID("$FreeBSD: src/sys/net80211/ieee80211_xauth.c,v 1.3 2007/06/06 04:56:04 sam Exp $");
     30 #endif
     31 #ifdef __NetBSD__
     32 __KERNEL_RCSID(0, "$NetBSD: ieee80211_xauth.c,v 1.5.62.1 2008/02/22 16:50:26 skrll Exp $");
     33 #endif
     34 
     35 /*
     36  * External authenticator placeholder module.
     37  *
     38  * This support is optional; it is only used when the 802.11 layer's
     39  * authentication mode is set to use 802.1x or WPA is enabled separately
     40  * (for WPA-PSK).  If compiled as a module this code does not need
     41  * to be present unless 802.1x/WPA is in use.
     42  *
     43  * The authenticator hooks into the 802.11 layer.  At present we use none
     44  * of the available callbacks--the user mode authenticator process works
     45  * entirely from messages about stations joining and leaving.
     46  */
     47 #include <sys/param.h>
     48 #include <sys/kernel.h>
     49 #include <sys/systm.h>
     50 #include <sys/mbuf.h>
     51 
     52 #include <sys/socket.h>
     53 
     54 #include <net/if.h>
     55 #include <net/if_media.h>
     56 #include <net/if_ether.h>
     57 #include <net/route.h>
     58 
     59 #include <net80211/ieee80211_var.h>
     60 
     61 /*
     62  * One module handles everything for now.  May want
     63  * to split things up for embedded applications.
     64  */
     65 static const struct ieee80211_authenticator xauth = {
     66 	.ia_name	= "external",
     67 	.ia_attach	= NULL,
     68 	.ia_detach	= NULL,
     69 	.ia_node_join	= NULL,
     70 	.ia_node_leave	= NULL,
     71 };
     72 
     73 IEEE80211_CRYPTO_SETUP(ieee80211_external_auth_setup)
     74 {
     75 	ieee80211_authenticator_register(IEEE80211_AUTH_8021X, &xauth);
     76 	ieee80211_authenticator_register(IEEE80211_AUTH_WPA, &xauth);
     77 }
     78