1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2004 Video54 Technologies, Inc. 5 * Copyright (c) 2004-2008 Sam Leffler, Errno Consulting 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 /* 33 * External authenticator placeholder module. 34 * 35 * This support is optional; it is only used when the 802.11 layer's 36 * authentication mode is set to use 802.1x or WPA is enabled separately 37 * (for WPA-PSK). If compiled as a module this code does not need 38 * to be present unless 802.1x/WPA is in use. 39 * 40 * The authenticator hooks into the 802.11 layer. At present we use none 41 * of the available callbacks--the user mode authenticator process works 42 * entirely from messages about stations joining and leaving. 43 */ 44 #include "opt_wlan.h" 45 46 #include <sys/param.h> 47 #include <sys/kernel.h> 48 #include <sys/systm.h> 49 #include <sys/malloc.h> 50 #include <sys/mbuf.h> 51 #include <sys/module.h> 52 53 #include <sys/socket.h> 54 55 #include <net/if.h> 56 #include <net/if_media.h> 57 #include <net/ethernet.h> 58 #include <net/route.h> 59 60 #include <net80211/ieee80211_var.h> 61 62 /* XXX number of references from net80211 layer; needed for module code */ 63 static int nrefs = 0; 64 65 /* 66 * One module handles everything for now. May want 67 * to split things up for embedded applications. 68 */ 69 static const struct ieee80211_authenticator xauth = { 70 .ia_name = "external", 71 .ia_attach = NULL, 72 .ia_detach = NULL, 73 .ia_node_join = NULL, 74 .ia_node_leave = NULL, 75 }; 76 77 IEEE80211_AUTH_MODULE(xauth, 1); 78 IEEE80211_AUTH_ALG(x8021x, IEEE80211_AUTH_8021X, xauth); 79 IEEE80211_AUTH_ALG(wpa, IEEE80211_AUTH_WPA, xauth); 80