The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/net80211/ieee80211_xauth.c

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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 }

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