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ieee80211_xauth.c revision 1.2
      1  1.1  dyoung /*-
      2  1.1  dyoung  * Copyright (c) 2004 Video54 Technologies, Inc.
      3  1.1  dyoung  * Copyright (c) 2004-2005 Sam Leffler, Errno Consulting
      4  1.1  dyoung  * All rights reserved.
      5  1.1  dyoung  *
      6  1.1  dyoung  * Redistribution and use in source and binary forms, with or without
      7  1.1  dyoung  * modification, are permitted provided that the following conditions
      8  1.1  dyoung  * are met:
      9  1.1  dyoung  * 1. Redistributions of source code must retain the above copyright
     10  1.1  dyoung  *    notice, this list of conditions and the following disclaimer.
     11  1.1  dyoung  * 2. Redistributions in binary form must reproduce the above copyright
     12  1.1  dyoung  *    notice, this list of conditions and the following disclaimer in the
     13  1.1  dyoung  *    documentation and/or other materials provided with the distribution.
     14  1.1  dyoung  * 3. The name of the author may not be used to endorse or promote products
     15  1.1  dyoung  *    derived from this software without specific prior written permission.
     16  1.1  dyoung  *
     17  1.1  dyoung  * Alternatively, this software may be distributed under the terms of the
     18  1.1  dyoung  * GNU General Public License ("GPL") version 2 as published by the Free
     19  1.1  dyoung  * Software Foundation.
     20  1.1  dyoung  *
     21  1.1  dyoung  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  1.1  dyoung  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  1.1  dyoung  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  1.1  dyoung  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  1.1  dyoung  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  1.1  dyoung  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  1.1  dyoung  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  1.1  dyoung  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  1.1  dyoung  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  1.1  dyoung  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  1.1  dyoung  */
     32  1.1  dyoung 
     33  1.1  dyoung #include <sys/cdefs.h>
     34  1.2  dyoung #ifdef __FreeBSD__
     35  1.1  dyoung __FBSDID("$FreeBSD: src/sys/net80211/ieee80211_xauth.c,v 1.2 2004/12/31 22:42:38 sam Exp $");
     36  1.2  dyoung #endif
     37  1.2  dyoung #ifdef __NetBSD__
     38  1.2  dyoung __KERNEL_RCSID(0, "$NetBSD: ieee80211_xauth.c,v 1.2 2005/06/22 06:16:02 dyoung Exp $");
     39  1.2  dyoung #endif
     40  1.1  dyoung 
     41  1.1  dyoung /*
     42  1.1  dyoung  * External authenticator placeholder module.
     43  1.1  dyoung  *
     44  1.1  dyoung  * This support is optional; it is only used when the 802.11 layer's
     45  1.1  dyoung  * authentication mode is set to use 802.1x or WPA is enabled separately
     46  1.1  dyoung  * (for WPA-PSK).  If compiled as a module this code does not need
     47  1.1  dyoung  * to be present unless 802.1x/WPA is in use.
     48  1.1  dyoung  *
     49  1.1  dyoung  * The authenticator hooks into the 802.11 layer.  At present we use none
     50  1.1  dyoung  * of the available callbacks--the user mode authenticator process works
     51  1.1  dyoung  * entirely from messages about stations joining and leaving.
     52  1.1  dyoung  */
     53  1.1  dyoung #include <sys/param.h>
     54  1.1  dyoung #include <sys/kernel.h>
     55  1.1  dyoung #include <sys/systm.h>
     56  1.1  dyoung #include <sys/mbuf.h>
     57  1.1  dyoung 
     58  1.1  dyoung #include <sys/socket.h>
     59  1.1  dyoung 
     60  1.1  dyoung #include <net/if.h>
     61  1.1  dyoung #include <net/if_media.h>
     62  1.2  dyoung #include <net/if_ether.h>
     63  1.1  dyoung #include <net/route.h>
     64  1.1  dyoung 
     65  1.1  dyoung #include <net80211/ieee80211_var.h>
     66  1.1  dyoung 
     67  1.1  dyoung /*
     68  1.1  dyoung  * One module handles everything for now.  May want
     69  1.1  dyoung  * to split things up for embedded applications.
     70  1.1  dyoung  */
     71  1.1  dyoung static const struct ieee80211_authenticator xauth = {
     72  1.1  dyoung 	.ia_name	= "external",
     73  1.1  dyoung 	.ia_attach	= NULL,
     74  1.1  dyoung 	.ia_detach	= NULL,
     75  1.1  dyoung 	.ia_node_join	= NULL,
     76  1.1  dyoung 	.ia_node_leave	= NULL,
     77  1.1  dyoung };
     78