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

     /*-
      * Copyright (c) 2004 Video54 Technologies, Inc.
      * Copyright (c) 2004-2005 Sam Leffler, Errno Consulting
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * Alternatively, this software may be distributed under the terms of the
     * GNU General Public License ("GPL") version 2 as published by the Free
     * Software Foundation.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    #ifdef __FreeBSD__
    __FBSDID("$FreeBSD: src/sys/net80211/ieee80211_xauth.c,v 1.2 2004/12/31 22:42:38 sam Exp $");
    #endif
    #ifdef __NetBSD__
    __KERNEL_RCSID(0, "$NetBSD: ieee80211_xauth.c,v 1.5 2006/02/27 01:08:28 dyoung Exp $");
    #endif
    
    /*
     * External authenticator placeholder module.
     *
     * This support is optional; it is only used when the 802.11 layer's
     * authentication mode is set to use 802.1x or WPA is enabled separately
     * (for WPA-PSK).  If compiled as a module this code does not need
     * to be present unless 802.1x/WPA is in use.
     *
     * The authenticator hooks into the 802.11 layer.  At present we use none
     * of the available callbacks--the user mode authenticator process works
     * entirely from messages about stations joining and leaving.
     */
    #include <sys/param.h>
    #include <sys/kernel.h>
    #include <sys/systm.h> 
    #include <sys/mbuf.h>   
    
    #include <sys/socket.h>
    
    #include <net/if.h>
    #include <net/if_media.h>
    #include <net/if_ether.h>
    #include <net/route.h>
    
    #include <net80211/ieee80211_var.h>
    
    /*
     * One module handles everything for now.  May want
     * to split things up for embedded applications.
     */
    static const struct ieee80211_authenticator xauth = {
            .ia_name        = "external",
            .ia_attach      = NULL,
            .ia_detach      = NULL,
            .ia_node_join   = NULL,
            .ia_node_leave  = NULL,
    };
    
    IEEE80211_CRYPTO_SETUP(ieee80211_external_auth_setup)
    {
            ieee80211_authenticator_register(IEEE80211_AUTH_8021X, &xauth);
            ieee80211_authenticator_register(IEEE80211_AUTH_WPA, &xauth);
    }

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