2008-02-28 02:34:43 +01:00
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/*
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* WPA Supplicant
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2011-02-27 11:50:00 +01:00
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* Copyright (c) 2003-2011, Jouni Malinen <j@w1.fi>
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2008-02-28 02:34:43 +01:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*
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* This file implements functions for registering and unregistering
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* %wpa_supplicant interfaces. In addition, this file contains number of
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* functions for managing network connections.
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*/
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#include "includes.h"
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#include "common.h"
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2011-03-22 22:15:00 +01:00
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#include "crypto/random.h"
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2011-09-30 21:01:42 +02:00
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#include "crypto/sha1.h"
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2008-02-28 02:34:43 +01:00
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#include "eapol_supp/eapol_supp_sm.h"
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#include "eap_peer/eap.h"
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2009-04-21 15:45:16 +02:00
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#include "eap_server/eap_methods.h"
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2009-11-29 17:28:08 +01:00
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#include "rsn_supp/wpa.h"
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2008-02-28 02:34:43 +01:00
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#include "eloop.h"
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#include "config.h"
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#include "l2_packet/l2_packet.h"
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#include "wpa_supplicant_i.h"
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2009-03-26 19:37:05 +01:00
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#include "driver_i.h"
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2008-02-28 02:34:43 +01:00
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#include "ctrl_iface.h"
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#include "pcsc_funcs.h"
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2009-11-29 16:51:55 +01:00
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#include "common/version.h"
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2009-11-29 17:28:08 +01:00
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#include "rsn_supp/preauth.h"
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#include "rsn_supp/pmksa_cache.h"
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2009-11-29 16:51:55 +01:00
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#include "common/wpa_ctrl.h"
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#include "common/ieee802_11_defs.h"
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2010-07-10 19:19:34 +02:00
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#include "p2p/p2p.h"
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2008-02-28 02:34:43 +01:00
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#include "blacklist.h"
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#include "wpas_glue.h"
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2008-11-28 19:32:13 +01:00
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#include "wps_supplicant.h"
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2009-01-15 00:21:55 +01:00
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#include "ibss_rsn.h"
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2009-03-20 21:26:41 +01:00
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#include "sme.h"
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2011-09-28 18:44:25 +02:00
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#include "gas_query.h"
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2009-03-26 15:08:17 +01:00
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#include "ap.h"
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2010-07-18 23:30:25 +02:00
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#include "p2p_supplicant.h"
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2009-09-13 19:53:32 +02:00
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#include "notify.h"
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2009-09-14 23:08:24 +02:00
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#include "bgscan.h"
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2009-12-27 20:07:47 +01:00
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#include "bss.h"
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2010-01-03 17:48:11 +01:00
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#include "scan.h"
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2011-09-29 18:22:08 +02:00
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#include "offchannel.h"
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2008-02-28 02:34:43 +01:00
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const char *wpa_supplicant_version =
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"wpa_supplicant v" VERSION_STR "\n"
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2011-02-27 11:50:00 +01:00
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"Copyright (c) 2003-2011, Jouni Malinen <j@w1.fi> and contributors";
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2008-02-28 02:34:43 +01:00
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const char *wpa_supplicant_license =
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"This program is free software. You can distribute it and/or modify it\n"
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"under the terms of the GNU General Public License version 2.\n"
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"\n"
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"Alternatively, this software may be distributed under the terms of the\n"
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"BSD license. See README and COPYING for more details.\n"
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#ifdef EAP_TLS_OPENSSL
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"\nThis product includes software developed by the OpenSSL Project\n"
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"for use in the OpenSSL Toolkit (http://www.openssl.org/)\n"
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#endif /* EAP_TLS_OPENSSL */
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;
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#ifndef CONFIG_NO_STDOUT_DEBUG
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/* Long text divided into parts in order to fit in C89 strings size limits. */
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const char *wpa_supplicant_full_license1 =
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"This program is free software; you can redistribute it and/or modify\n"
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"it under the terms of the GNU General Public License version 2 as\n"
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"published by the Free Software Foundation.\n"
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"\n"
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"This program is distributed in the hope that it will be useful,\n"
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"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
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"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
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"GNU General Public License for more details.\n"
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"\n";
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const char *wpa_supplicant_full_license2 =
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"You should have received a copy of the GNU General Public License\n"
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"along with this program; if not, write to the Free Software\n"
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"Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n"
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"\n"
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"Alternatively, this software may be distributed under the terms of the\n"
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"BSD license.\n"
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"\n"
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"Redistribution and use in source and binary forms, with or without\n"
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"modification, are permitted provided that the following conditions are\n"
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"met:\n"
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"\n";
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const char *wpa_supplicant_full_license3 =
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"1. Redistributions of source code must retain the above copyright\n"
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" notice, this list of conditions and the following disclaimer.\n"
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"\n"
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"2. Redistributions in binary form must reproduce the above copyright\n"
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" notice, this list of conditions and the following disclaimer in the\n"
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" documentation and/or other materials provided with the distribution.\n"
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"\n";
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const char *wpa_supplicant_full_license4 =
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"3. Neither the name(s) of the above-listed copyright holder(s) nor the\n"
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" names of its contributors may be used to endorse or promote products\n"
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" derived from this software without specific prior written permission.\n"
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"\n"
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"THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n"
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"\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n"
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"LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n"
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"A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n";
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const char *wpa_supplicant_full_license5 =
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"OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n"
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"SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n"
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"LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n"
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"DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n"
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"THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n"
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"(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n"
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"OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"
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"\n";
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#endif /* CONFIG_NO_STDOUT_DEBUG */
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extern int wpa_debug_level;
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extern int wpa_debug_show_keys;
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extern int wpa_debug_timestamp;
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2009-04-09 12:40:12 +02:00
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extern struct wpa_driver_ops *wpa_drivers[];
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2008-02-28 02:34:43 +01:00
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/* Configure default/group WEP keys for static WEP */
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2009-09-15 09:48:30 +02:00
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int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
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2008-02-28 02:34:43 +01:00
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{
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int i, set = 0;
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for (i = 0; i < NUM_WEP_KEYS; i++) {
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if (ssid->wep_key_len[i] == 0)
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continue;
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set = 1;
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2011-01-09 18:44:28 +01:00
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wpa_drv_set_key(wpa_s, WPA_ALG_WEP, NULL,
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2011-01-09 11:09:04 +01:00
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i, i == ssid->wep_tx_keyidx, NULL, 0,
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2008-02-28 02:34:43 +01:00
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ssid->wep_key[i], ssid->wep_key_len[i]);
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}
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return set;
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}
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static int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
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struct wpa_ssid *ssid)
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{
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u8 key[32];
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size_t keylen;
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2009-12-26 09:35:08 +01:00
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enum wpa_alg alg;
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2008-02-28 02:34:43 +01:00
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u8 seq[6] = { 0 };
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/* IBSS/WPA-None uses only one key (Group) for both receiving and
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* sending unicast and multicast packets. */
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2009-12-28 15:00:36 +01:00
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if (ssid->mode != WPAS_MODE_IBSS) {
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2011-02-10 19:14:46 +01:00
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wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid mode %d (not "
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"IBSS/ad-hoc) for WPA-None", ssid->mode);
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2008-02-28 02:34:43 +01:00
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return -1;
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}
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if (!ssid->psk_set) {
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2011-02-10 19:14:46 +01:00
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wpa_msg(wpa_s, MSG_INFO, "WPA: No PSK configured for "
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"WPA-None");
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2008-02-28 02:34:43 +01:00
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return -1;
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}
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switch (wpa_s->group_cipher) {
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case WPA_CIPHER_CCMP:
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os_memcpy(key, ssid->psk, 16);
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keylen = 16;
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alg = WPA_ALG_CCMP;
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break;
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case WPA_CIPHER_TKIP:
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/* WPA-None uses the same Michael MIC key for both TX and RX */
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os_memcpy(key, ssid->psk, 16 + 8);
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os_memcpy(key + 16 + 8, ssid->psk + 16, 8);
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keylen = 32;
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alg = WPA_ALG_TKIP;
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break;
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default:
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2011-02-10 19:14:46 +01:00
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wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid group cipher %d for "
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"WPA-None", wpa_s->group_cipher);
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2008-02-28 02:34:43 +01:00
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return -1;
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}
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/* TODO: should actually remember the previously used seq#, both for TX
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* and RX from each STA.. */
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2011-01-09 18:44:28 +01:00
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return wpa_drv_set_key(wpa_s, alg, NULL, 0, 1, seq, 6, key, keylen);
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2008-02-28 02:34:43 +01:00
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}
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static void wpa_supplicant_timeout(void *eloop_ctx, void *timeout_ctx)
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{
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struct wpa_supplicant *wpa_s = eloop_ctx;
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const u8 *bssid = wpa_s->bssid;
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2008-06-03 17:08:48 +02:00
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if (is_zero_ether_addr(bssid))
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2008-02-28 02:34:43 +01:00
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bssid = wpa_s->pending_bssid;
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wpa_msg(wpa_s, MSG_INFO, "Authentication with " MACSTR " timed out.",
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MAC2STR(bssid));
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wpa_blacklist_add(wpa_s, bssid);
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wpa_sm_notify_disassoc(wpa_s->wpa);
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wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
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wpa_s->reassociate = 1;
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2011-02-24 16:16:16 +01:00
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/*
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* If we timed out, the AP or the local radio may be busy.
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* So, wait a second until scanning again.
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*/
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wpa_supplicant_req_scan(wpa_s, 1, 0);
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2008-02-28 02:34:43 +01:00
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}
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/**
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* wpa_supplicant_req_auth_timeout - Schedule a timeout for authentication
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* @wpa_s: Pointer to wpa_supplicant data
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* @sec: Number of seconds after which to time out authentication
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* @usec: Number of microseconds after which to time out authentication
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*
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* This function is used to schedule a timeout for the current authentication
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* attempt.
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*/
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void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
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int sec, int usec)
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{
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2009-03-20 21:26:41 +01:00
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if (wpa_s->conf && wpa_s->conf->ap_scan == 0 &&
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(wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED))
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2008-02-28 02:34:43 +01:00
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return;
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2011-02-10 19:14:46 +01:00
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wpa_dbg(wpa_s, MSG_DEBUG, "Setting authentication timeout: %d sec "
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2008-02-28 02:34:43 +01:00
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"%d usec", sec, usec);
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eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL);
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eloop_register_timeout(sec, usec, wpa_supplicant_timeout, wpa_s, NULL);
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}
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/**
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* wpa_supplicant_cancel_auth_timeout - Cancel authentication timeout
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* @wpa_s: Pointer to wpa_supplicant data
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*
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* This function is used to cancel authentication timeout scheduled with
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* wpa_supplicant_req_auth_timeout() and it is called when authentication has
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* been completed.
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*/
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void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s)
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{
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2011-02-10 19:14:46 +01:00
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wpa_dbg(wpa_s, MSG_DEBUG, "Cancelling authentication timeout");
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2008-02-28 02:34:43 +01:00
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eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL);
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wpa_blacklist_del(wpa_s, wpa_s->bssid);
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}
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/**
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* wpa_supplicant_initiate_eapol - Configure EAPOL state machine
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* @wpa_s: Pointer to wpa_supplicant data
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*
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* This function is used to configure EAPOL state machine based on the selected
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* authentication mode.
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*/
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void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s)
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{
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#ifdef IEEE8021X_EAPOL
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struct eapol_config eapol_conf;
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struct wpa_ssid *ssid = wpa_s->current_ssid;
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2009-01-17 15:41:47 +01:00
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#ifdef CONFIG_IBSS_RSN
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2009-12-28 15:00:36 +01:00
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if (ssid->mode == WPAS_MODE_IBSS &&
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2009-01-17 15:41:47 +01:00
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wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
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wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) {
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/*
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* RSN IBSS authentication is per-STA and we can disable the
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* per-BSSID EAPOL authentication.
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*/
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eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized);
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eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
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eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE);
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return;
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}
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#endif /* CONFIG_IBSS_RSN */
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2008-11-30 15:54:16 +01:00
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eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
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eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE);
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2008-02-28 02:34:43 +01:00
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if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
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wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
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eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized);
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else
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eapol_sm_notify_portControl(wpa_s->eapol, Auto);
|
|
|
|
|
|
|
|
os_memset(&eapol_conf, 0, sizeof(eapol_conf));
|
|
|
|
if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
|
|
|
|
eapol_conf.accept_802_1x_keys = 1;
|
|
|
|
eapol_conf.required_keys = 0;
|
|
|
|
if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_UNICAST) {
|
|
|
|
eapol_conf.required_keys |= EAPOL_REQUIRE_KEY_UNICAST;
|
|
|
|
}
|
|
|
|
if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_BROADCAST) {
|
|
|
|
eapol_conf.required_keys |=
|
|
|
|
EAPOL_REQUIRE_KEY_BROADCAST;
|
|
|
|
}
|
|
|
|
|
2009-03-20 21:26:41 +01:00
|
|
|
if (wpa_s->conf && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED))
|
2008-02-28 02:34:43 +01:00
|
|
|
eapol_conf.required_keys = 0;
|
|
|
|
}
|
|
|
|
if (wpa_s->conf)
|
|
|
|
eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
|
|
|
|
eapol_conf.workaround = ssid->eap_workaround;
|
2008-08-31 21:57:28 +02:00
|
|
|
eapol_conf.eap_disabled =
|
|
|
|
!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) &&
|
2008-11-23 18:34:26 +01:00
|
|
|
wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
|
|
|
|
wpa_s->key_mgmt != WPA_KEY_MGMT_WPS;
|
2008-02-28 02:34:43 +01:00
|
|
|
eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
|
|
|
|
#endif /* IEEE8021X_EAPOL */
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_set_non_wpa_policy - Set WPA parameters to non-WPA mode
|
|
|
|
* @wpa_s: Pointer to wpa_supplicant data
|
|
|
|
* @ssid: Configuration data for the network
|
|
|
|
*
|
|
|
|
* This function is used to configure WPA state machine and related parameters
|
|
|
|
* to a mode where WPA is not enabled. This is called as part of the
|
|
|
|
* authentication configuration when the selected network does not use WPA.
|
|
|
|
*/
|
|
|
|
void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
|
|
|
|
struct wpa_ssid *ssid)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
2008-11-23 18:34:26 +01:00
|
|
|
if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
|
|
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_WPS;
|
|
|
|
else if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA;
|
|
|
|
else
|
|
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
|
|
|
|
wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
|
|
|
|
wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
|
|
|
|
wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
|
|
|
|
wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
|
|
|
|
wpa_s->group_cipher = WPA_CIPHER_NONE;
|
|
|
|
wpa_s->mgmt_group_cipher = 0;
|
|
|
|
|
|
|
|
for (i = 0; i < NUM_WEP_KEYS; i++) {
|
|
|
|
if (ssid->wep_key_len[i] > 5) {
|
|
|
|
wpa_s->pairwise_cipher = WPA_CIPHER_WEP104;
|
|
|
|
wpa_s->group_cipher = WPA_CIPHER_WEP104;
|
|
|
|
break;
|
|
|
|
} else if (ssid->wep_key_len[i] > 0) {
|
|
|
|
wpa_s->pairwise_cipher = WPA_CIPHER_WEP40;
|
|
|
|
wpa_s->group_cipher = WPA_CIPHER_WEP40;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, 0);
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt);
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE,
|
|
|
|
wpa_s->pairwise_cipher);
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher);
|
|
|
|
#ifdef CONFIG_IEEE80211W
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP,
|
|
|
|
wpa_s->mgmt_group_cipher);
|
|
|
|
#endif /* CONFIG_IEEE80211W */
|
|
|
|
|
|
|
|
pmksa_cache_clear_current(wpa_s->wpa);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2011-10-23 10:58:54 +02:00
|
|
|
static void free_hw_features(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
if (wpa_s->hw.modes == NULL)
|
|
|
|
return;
|
|
|
|
|
|
|
|
for (i = 0; i < wpa_s->hw.num_modes; i++) {
|
|
|
|
os_free(wpa_s->hw.modes[i].channels);
|
|
|
|
os_free(wpa_s->hw.modes[i].rates);
|
|
|
|
}
|
|
|
|
|
|
|
|
os_free(wpa_s->hw.modes);
|
|
|
|
wpa_s->hw.modes = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
2009-09-14 23:08:24 +02:00
|
|
|
bgscan_deinit(wpa_s);
|
2008-02-28 02:34:43 +01:00
|
|
|
scard_deinit(wpa_s->scard);
|
|
|
|
wpa_s->scard = NULL;
|
|
|
|
wpa_sm_set_scard_ctx(wpa_s->wpa, NULL);
|
|
|
|
eapol_sm_register_scard_ctx(wpa_s->eapol, NULL);
|
|
|
|
l2_packet_deinit(wpa_s->l2);
|
|
|
|
wpa_s->l2 = NULL;
|
|
|
|
if (wpa_s->l2_br) {
|
|
|
|
l2_packet_deinit(wpa_s->l2_br);
|
|
|
|
wpa_s->l2_br = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (wpa_s->ctrl_iface) {
|
|
|
|
wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
|
|
|
|
wpa_s->ctrl_iface = NULL;
|
|
|
|
}
|
|
|
|
if (wpa_s->conf != NULL) {
|
2009-12-29 21:17:18 +01:00
|
|
|
struct wpa_ssid *ssid;
|
|
|
|
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
|
|
|
|
wpas_notify_network_removed(wpa_s, ssid);
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_config_free(wpa_s->conf);
|
|
|
|
wpa_s->conf = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
os_free(wpa_s->confname);
|
|
|
|
wpa_s->confname = NULL;
|
|
|
|
|
|
|
|
wpa_sm_set_eapol(wpa_s->wpa, NULL);
|
|
|
|
eapol_sm_deinit(wpa_s->eapol);
|
|
|
|
wpa_s->eapol = NULL;
|
|
|
|
|
|
|
|
rsn_preauth_deinit(wpa_s->wpa);
|
|
|
|
|
2010-10-07 09:26:56 +02:00
|
|
|
#ifdef CONFIG_TDLS
|
|
|
|
wpa_tdls_deinit(wpa_s->wpa);
|
|
|
|
#endif /* CONFIG_TDLS */
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
pmksa_candidate_free(wpa_s->wpa);
|
|
|
|
wpa_sm_deinit(wpa_s->wpa);
|
|
|
|
wpa_s->wpa = NULL;
|
|
|
|
wpa_blacklist_clear(wpa_s);
|
|
|
|
|
2009-12-27 20:07:47 +01:00
|
|
|
wpa_bss_deinit(wpa_s);
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
wpa_supplicant_cancel_scan(wpa_s);
|
|
|
|
wpa_supplicant_cancel_auth_timeout(wpa_s);
|
2011-10-30 11:43:30 +01:00
|
|
|
eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
|
|
|
|
#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
|
|
|
|
eloop_cancel_timeout(wpa_supplicant_delayed_mic_error_report,
|
|
|
|
wpa_s, NULL);
|
|
|
|
#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
|
2008-02-28 02:34:43 +01:00
|
|
|
|
2008-11-28 19:32:13 +01:00
|
|
|
wpas_wps_deinit(wpa_s);
|
2009-01-15 00:21:55 +01:00
|
|
|
|
2009-09-04 17:04:41 +02:00
|
|
|
wpabuf_free(wpa_s->pending_eapol_rx);
|
|
|
|
wpa_s->pending_eapol_rx = NULL;
|
|
|
|
|
2009-01-15 00:21:55 +01:00
|
|
|
#ifdef CONFIG_IBSS_RSN
|
|
|
|
ibss_rsn_deinit(wpa_s->ibss_rsn);
|
|
|
|
wpa_s->ibss_rsn = NULL;
|
|
|
|
#endif /* CONFIG_IBSS_RSN */
|
2009-03-20 21:26:41 +01:00
|
|
|
|
2011-02-24 15:59:46 +01:00
|
|
|
sme_deinit(wpa_s);
|
2009-03-26 19:37:05 +01:00
|
|
|
|
|
|
|
#ifdef CONFIG_AP
|
|
|
|
wpa_supplicant_ap_deinit(wpa_s);
|
|
|
|
#endif /* CONFIG_AP */
|
2010-07-18 23:30:25 +02:00
|
|
|
|
|
|
|
#ifdef CONFIG_P2P
|
|
|
|
wpas_p2p_deinit(wpa_s);
|
|
|
|
#endif /* CONFIG_P2P */
|
2010-11-25 21:51:56 +01:00
|
|
|
|
2011-09-29 18:22:08 +02:00
|
|
|
#ifdef CONFIG_OFFCHANNEL
|
|
|
|
offchannel_deinit(wpa_s);
|
|
|
|
#endif /* CONFIG_OFFCHANNEL */
|
|
|
|
|
2011-09-27 21:21:31 +02:00
|
|
|
wpa_supplicant_cancel_sched_scan(wpa_s);
|
|
|
|
|
2010-11-25 21:51:56 +01:00
|
|
|
os_free(wpa_s->next_scan_freqs);
|
|
|
|
wpa_s->next_scan_freqs = NULL;
|
2011-09-28 18:44:25 +02:00
|
|
|
|
|
|
|
gas_query_deinit(wpa_s->gas);
|
|
|
|
wpa_s->gas = NULL;
|
2011-10-23 10:58:54 +02:00
|
|
|
|
|
|
|
free_hw_features(wpa_s);
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_clear_keys - Clear keys configured for the driver
|
|
|
|
* @wpa_s: Pointer to wpa_supplicant data
|
|
|
|
* @addr: Previously used BSSID or %NULL if not available
|
|
|
|
*
|
|
|
|
* This function clears the encryption keys that has been previously configured
|
|
|
|
* for the driver.
|
|
|
|
*/
|
|
|
|
void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr)
|
|
|
|
{
|
|
|
|
if (wpa_s->keys_cleared) {
|
|
|
|
/* Some drivers (e.g., ndiswrapper & NDIS drivers) seem to have
|
|
|
|
* timing issues with keys being cleared just before new keys
|
|
|
|
* are set or just after association or something similar. This
|
|
|
|
* shows up in group key handshake failing often because of the
|
|
|
|
* client not receiving the first encrypted packets correctly.
|
|
|
|
* Skipping some of the extra key clearing steps seems to help
|
|
|
|
* in completing group key handshake more reliably. */
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "No keys have been configured - "
|
|
|
|
"skip key clearing");
|
2008-02-28 02:34:43 +01:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* MLME-DELETEKEYS.request */
|
2011-01-09 18:44:28 +01:00
|
|
|
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
|
|
|
|
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
|
|
|
|
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
|
|
|
|
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
|
2009-10-12 06:19:01 +02:00
|
|
|
#ifdef CONFIG_IEEE80211W
|
2011-01-09 18:44:28 +01:00
|
|
|
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
|
|
|
|
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
|
2009-10-12 06:19:01 +02:00
|
|
|
#endif /* CONFIG_IEEE80211W */
|
2008-02-28 02:34:43 +01:00
|
|
|
if (addr) {
|
|
|
|
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, addr, 0, 0, NULL, 0, NULL,
|
|
|
|
0);
|
|
|
|
/* MLME-SETPROTECTION.request(None) */
|
|
|
|
wpa_drv_mlme_setprotection(
|
|
|
|
wpa_s, addr,
|
|
|
|
MLME_SETPROTECTION_PROTECT_TYPE_NONE,
|
|
|
|
MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
|
|
|
|
}
|
|
|
|
wpa_s->keys_cleared = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_state_txt - Get the connection state name as a text string
|
|
|
|
* @state: State (wpa_state; WPA_*)
|
|
|
|
* Returns: The state name as a printable text string
|
|
|
|
*/
|
2009-12-26 09:35:08 +01:00
|
|
|
const char * wpa_supplicant_state_txt(enum wpa_states state)
|
2008-02-28 02:34:43 +01:00
|
|
|
{
|
|
|
|
switch (state) {
|
|
|
|
case WPA_DISCONNECTED:
|
|
|
|
return "DISCONNECTED";
|
|
|
|
case WPA_INACTIVE:
|
|
|
|
return "INACTIVE";
|
2010-05-23 09:27:32 +02:00
|
|
|
case WPA_INTERFACE_DISABLED:
|
|
|
|
return "INTERFACE_DISABLED";
|
2008-02-28 02:34:43 +01:00
|
|
|
case WPA_SCANNING:
|
|
|
|
return "SCANNING";
|
2009-03-20 21:26:41 +01:00
|
|
|
case WPA_AUTHENTICATING:
|
|
|
|
return "AUTHENTICATING";
|
2008-02-28 02:34:43 +01:00
|
|
|
case WPA_ASSOCIATING:
|
|
|
|
return "ASSOCIATING";
|
|
|
|
case WPA_ASSOCIATED:
|
|
|
|
return "ASSOCIATED";
|
|
|
|
case WPA_4WAY_HANDSHAKE:
|
|
|
|
return "4WAY_HANDSHAKE";
|
|
|
|
case WPA_GROUP_HANDSHAKE:
|
|
|
|
return "GROUP_HANDSHAKE";
|
|
|
|
case WPA_COMPLETED:
|
|
|
|
return "COMPLETED";
|
|
|
|
default:
|
|
|
|
return "UNKNOWN";
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2011-03-20 11:27:03 +01:00
|
|
|
#ifdef CONFIG_BGSCAN
|
|
|
|
|
|
|
|
static void wpa_supplicant_start_bgscan(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
2011-09-26 14:17:01 +02:00
|
|
|
if (wpas_driver_bss_selection(wpa_s))
|
|
|
|
return;
|
2011-03-20 11:27:03 +01:00
|
|
|
if (wpa_s->current_ssid == wpa_s->bgscan_ssid)
|
|
|
|
return;
|
|
|
|
|
|
|
|
bgscan_deinit(wpa_s);
|
|
|
|
if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) {
|
|
|
|
if (bgscan_init(wpa_s, wpa_s->current_ssid)) {
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize "
|
|
|
|
"bgscan");
|
|
|
|
/*
|
|
|
|
* Live without bgscan; it is only used as a roaming
|
|
|
|
* optimization, so the initial connection is not
|
|
|
|
* affected.
|
|
|
|
*/
|
|
|
|
} else
|
|
|
|
wpa_s->bgscan_ssid = wpa_s->current_ssid;
|
|
|
|
} else
|
|
|
|
wpa_s->bgscan_ssid = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void wpa_supplicant_stop_bgscan(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
if (wpa_s->bgscan_ssid != NULL) {
|
|
|
|
bgscan_deinit(wpa_s);
|
|
|
|
wpa_s->bgscan_ssid = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* CONFIG_BGSCAN */
|
|
|
|
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
/**
|
|
|
|
* wpa_supplicant_set_state - Set current connection state
|
|
|
|
* @wpa_s: Pointer to wpa_supplicant data
|
|
|
|
* @state: The new connection state
|
|
|
|
*
|
|
|
|
* This function is called whenever the connection state changes, e.g.,
|
|
|
|
* association is completed for WPA/WPA2 4-Way Handshake is started.
|
|
|
|
*/
|
2009-12-26 09:35:08 +01:00
|
|
|
void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
|
|
|
|
enum wpa_states state)
|
2008-02-28 02:34:43 +01:00
|
|
|
{
|
2010-01-04 15:33:44 +01:00
|
|
|
enum wpa_states old_state = wpa_s->wpa_state;
|
|
|
|
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "State: %s -> %s",
|
|
|
|
wpa_supplicant_state_txt(wpa_s->wpa_state),
|
|
|
|
wpa_supplicant_state_txt(state));
|
2008-02-28 02:34:43 +01:00
|
|
|
|
2009-05-27 20:06:40 +02:00
|
|
|
if (state != WPA_SCANNING)
|
|
|
|
wpa_supplicant_notify_scanning(wpa_s, 0);
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
if (state == WPA_COMPLETED && wpa_s->new_connection) {
|
|
|
|
#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
|
|
|
|
struct wpa_ssid *ssid = wpa_s->current_ssid;
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- Connection to "
|
|
|
|
MACSTR " completed %s [id=%d id_str=%s]",
|
|
|
|
MAC2STR(wpa_s->bssid), wpa_s->reassociated_connection ?
|
|
|
|
"(reauth)" : "(auth)",
|
|
|
|
ssid ? ssid->id : -1,
|
|
|
|
ssid && ssid->id_str ? ssid->id_str : "");
|
|
|
|
#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
|
|
|
|
wpa_s->new_connection = 0;
|
|
|
|
wpa_s->reassociated_connection = 1;
|
|
|
|
wpa_drv_set_operstate(wpa_s, 1);
|
2010-11-09 15:31:33 +01:00
|
|
|
#ifndef IEEE8021X_EAPOL
|
|
|
|
wpa_drv_set_supp_port(wpa_s, 1);
|
|
|
|
#endif /* IEEE8021X_EAPOL */
|
2010-04-11 18:06:42 +02:00
|
|
|
wpa_s->after_wps = 0;
|
2010-07-18 23:30:25 +02:00
|
|
|
#ifdef CONFIG_P2P
|
|
|
|
wpas_p2p_completed(wpa_s);
|
|
|
|
#endif /* CONFIG_P2P */
|
2008-02-28 02:34:43 +01:00
|
|
|
} else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING ||
|
|
|
|
state == WPA_ASSOCIATED) {
|
|
|
|
wpa_s->new_connection = 1;
|
|
|
|
wpa_drv_set_operstate(wpa_s, 0);
|
2010-11-09 15:31:33 +01:00
|
|
|
#ifndef IEEE8021X_EAPOL
|
|
|
|
wpa_drv_set_supp_port(wpa_s, 0);
|
|
|
|
#endif /* IEEE8021X_EAPOL */
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
wpa_s->wpa_state = state;
|
2010-01-04 15:33:44 +01:00
|
|
|
|
2011-03-20 11:27:03 +01:00
|
|
|
#ifdef CONFIG_BGSCAN
|
|
|
|
if (state == WPA_COMPLETED)
|
|
|
|
wpa_supplicant_start_bgscan(wpa_s);
|
|
|
|
else
|
|
|
|
wpa_supplicant_stop_bgscan(wpa_s);
|
|
|
|
#endif /* CONFIG_BGSCAN */
|
|
|
|
|
2011-03-15 12:54:59 +01:00
|
|
|
if (wpa_s->wpa_state != old_state) {
|
2010-01-04 15:33:44 +01:00
|
|
|
wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state);
|
2011-03-15 12:54:59 +01:00
|
|
|
|
|
|
|
if (wpa_s->wpa_state == WPA_COMPLETED ||
|
|
|
|
old_state == WPA_COMPLETED)
|
|
|
|
wpas_notify_auth_changed(wpa_s);
|
|
|
|
}
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-12-19 22:47:54 +01:00
|
|
|
void wpa_supplicant_terminate_proc(struct wpa_global *global)
|
|
|
|
{
|
|
|
|
int pending = 0;
|
|
|
|
#ifdef CONFIG_WPS
|
|
|
|
struct wpa_supplicant *wpa_s = global->ifaces;
|
|
|
|
while (wpa_s) {
|
|
|
|
if (wpas_wps_terminate_pending(wpa_s) == 1)
|
|
|
|
pending = 1;
|
|
|
|
wpa_s = wpa_s->next;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_WPS */
|
|
|
|
if (pending)
|
|
|
|
return;
|
|
|
|
eloop_terminate();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-12-19 18:22:16 +01:00
|
|
|
static void wpa_supplicant_terminate(int sig, void *signal_ctx)
|
2008-02-28 02:34:43 +01:00
|
|
|
{
|
2009-12-19 18:22:16 +01:00
|
|
|
struct wpa_global *global = signal_ctx;
|
2008-02-28 02:34:43 +01:00
|
|
|
struct wpa_supplicant *wpa_s;
|
|
|
|
for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TERMINATING "- signal %d "
|
|
|
|
"received", sig);
|
|
|
|
}
|
2009-12-19 22:47:54 +01:00
|
|
|
wpa_supplicant_terminate_proc(global);
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-07-18 23:30:25 +02:00
|
|
|
void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s)
|
2008-02-28 02:34:43 +01:00
|
|
|
{
|
2009-12-26 09:35:08 +01:00
|
|
|
enum wpa_states old_state = wpa_s->wpa_state;
|
2010-01-04 15:33:44 +01:00
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_s->pairwise_cipher = 0;
|
|
|
|
wpa_s->group_cipher = 0;
|
|
|
|
wpa_s->mgmt_group_cipher = 0;
|
|
|
|
wpa_s->key_mgmt = 0;
|
2010-05-23 09:27:32 +02:00
|
|
|
if (wpa_s->wpa_state != WPA_INTERFACE_DISABLED)
|
|
|
|
wpa_s->wpa_state = WPA_DISCONNECTED;
|
2010-01-04 15:33:44 +01:00
|
|
|
|
|
|
|
if (wpa_s->wpa_state != old_state)
|
|
|
|
wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state);
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_reload_configuration - Reload configuration data
|
|
|
|
* @wpa_s: Pointer to wpa_supplicant data
|
|
|
|
* Returns: 0 on success or -1 if configuration parsing failed
|
|
|
|
*
|
|
|
|
* This function can be used to request that the configuration data is reloaded
|
|
|
|
* (e.g., after configuration file change). This function is reloading
|
|
|
|
* configuration only for one interface, so this may need to be called multiple
|
|
|
|
* times if %wpa_supplicant is controlling multiple interfaces and all
|
|
|
|
* interfaces need reconfiguration.
|
|
|
|
*/
|
|
|
|
int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
struct wpa_config *conf;
|
|
|
|
int reconf_ctrl;
|
2009-09-13 19:53:32 +02:00
|
|
|
int old_ap_scan;
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
if (wpa_s->confname == NULL)
|
|
|
|
return -1;
|
|
|
|
conf = wpa_config_read(wpa_s->confname);
|
|
|
|
if (conf == NULL) {
|
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Failed to parse the configuration "
|
|
|
|
"file '%s' - exiting", wpa_s->confname);
|
|
|
|
return -1;
|
|
|
|
}
|
2010-07-18 23:30:24 +02:00
|
|
|
conf->changed_parameters = (unsigned int) -1;
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
reconf_ctrl = !!conf->ctrl_interface != !!wpa_s->conf->ctrl_interface
|
|
|
|
|| (conf->ctrl_interface && wpa_s->conf->ctrl_interface &&
|
|
|
|
os_strcmp(conf->ctrl_interface,
|
|
|
|
wpa_s->conf->ctrl_interface) != 0);
|
|
|
|
|
|
|
|
if (reconf_ctrl && wpa_s->ctrl_iface) {
|
|
|
|
wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
|
|
|
|
wpa_s->ctrl_iface = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
eapol_sm_invalidate_cached_session(wpa_s->eapol);
|
2011-07-16 15:57:11 +02:00
|
|
|
if (wpa_s->current_ssid) {
|
|
|
|
wpa_supplicant_deauthenticate(wpa_s,
|
|
|
|
WLAN_REASON_DEAUTH_LEAVING);
|
|
|
|
}
|
2009-09-13 19:53:32 +02:00
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
/*
|
|
|
|
* TODO: should notify EAPOL SM about changes in opensc_engine_path,
|
|
|
|
* pkcs11_engine_path, pkcs11_module_path.
|
|
|
|
*/
|
2008-08-31 21:57:28 +02:00
|
|
|
if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
|
2008-02-28 02:34:43 +01:00
|
|
|
/*
|
|
|
|
* Clear forced success to clear EAP state for next
|
|
|
|
* authentication.
|
|
|
|
*/
|
|
|
|
eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
|
|
|
|
}
|
|
|
|
eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
|
|
|
|
wpa_sm_set_config(wpa_s->wpa, NULL);
|
2011-09-07 16:46:00 +02:00
|
|
|
wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth);
|
|
|
|
rsn_preauth_deinit(wpa_s->wpa);
|
2009-09-13 19:53:32 +02:00
|
|
|
|
|
|
|
old_ap_scan = wpa_s->conf->ap_scan;
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_config_free(wpa_s->conf);
|
|
|
|
wpa_s->conf = conf;
|
2009-09-13 19:53:32 +02:00
|
|
|
if (old_ap_scan != wpa_s->conf->ap_scan)
|
|
|
|
wpas_notify_ap_scan_changed(wpa_s);
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
if (reconf_ctrl)
|
|
|
|
wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s);
|
|
|
|
|
2010-07-18 23:30:24 +02:00
|
|
|
wpa_supplicant_update_config(wpa_s);
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_supplicant_clear_status(wpa_s);
|
2010-07-07 05:37:52 +02:00
|
|
|
if (wpa_supplicant_enabled_networks(wpa_s->conf)) {
|
|
|
|
wpa_s->reassociate = 1;
|
|
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
|
|
|
}
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Reconfiguration completed");
|
2008-02-28 02:34:43 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-12-19 18:22:16 +01:00
|
|
|
static void wpa_supplicant_reconfig(int sig, void *signal_ctx)
|
2008-02-28 02:34:43 +01:00
|
|
|
{
|
2009-12-19 18:22:16 +01:00
|
|
|
struct wpa_global *global = signal_ctx;
|
2008-02-28 02:34:43 +01:00
|
|
|
struct wpa_supplicant *wpa_s;
|
|
|
|
for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Signal %d received - reconfiguring",
|
|
|
|
sig);
|
2008-02-28 02:34:43 +01:00
|
|
|
if (wpa_supplicant_reload_configuration(wpa_s) < 0) {
|
2009-12-19 22:47:54 +01:00
|
|
|
wpa_supplicant_terminate_proc(global);
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-04-11 19:02:01 +02:00
|
|
|
enum wpa_cipher cipher_suite2driver(int cipher)
|
2008-02-28 02:34:43 +01:00
|
|
|
{
|
|
|
|
switch (cipher) {
|
|
|
|
case WPA_CIPHER_NONE:
|
|
|
|
return CIPHER_NONE;
|
|
|
|
case WPA_CIPHER_WEP40:
|
|
|
|
return CIPHER_WEP40;
|
|
|
|
case WPA_CIPHER_WEP104:
|
|
|
|
return CIPHER_WEP104;
|
|
|
|
case WPA_CIPHER_CCMP:
|
|
|
|
return CIPHER_CCMP;
|
|
|
|
case WPA_CIPHER_TKIP:
|
|
|
|
default:
|
|
|
|
return CIPHER_TKIP;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-04-11 19:02:01 +02:00
|
|
|
enum wpa_key_mgmt key_mgmt2driver(int key_mgmt)
|
2008-02-28 02:34:43 +01:00
|
|
|
{
|
|
|
|
switch (key_mgmt) {
|
|
|
|
case WPA_KEY_MGMT_NONE:
|
|
|
|
return KEY_MGMT_NONE;
|
|
|
|
case WPA_KEY_MGMT_IEEE8021X_NO_WPA:
|
|
|
|
return KEY_MGMT_802_1X_NO_WPA;
|
|
|
|
case WPA_KEY_MGMT_IEEE8021X:
|
|
|
|
return KEY_MGMT_802_1X;
|
|
|
|
case WPA_KEY_MGMT_WPA_NONE:
|
|
|
|
return KEY_MGMT_WPA_NONE;
|
|
|
|
case WPA_KEY_MGMT_FT_IEEE8021X:
|
|
|
|
return KEY_MGMT_FT_802_1X;
|
|
|
|
case WPA_KEY_MGMT_FT_PSK:
|
|
|
|
return KEY_MGMT_FT_PSK;
|
2008-08-31 21:57:28 +02:00
|
|
|
case WPA_KEY_MGMT_IEEE8021X_SHA256:
|
|
|
|
return KEY_MGMT_802_1X_SHA256;
|
|
|
|
case WPA_KEY_MGMT_PSK_SHA256:
|
|
|
|
return KEY_MGMT_PSK_SHA256;
|
2008-11-23 18:34:26 +01:00
|
|
|
case WPA_KEY_MGMT_WPS:
|
|
|
|
return KEY_MGMT_WPS;
|
2008-02-28 02:34:43 +01:00
|
|
|
case WPA_KEY_MGMT_PSK:
|
|
|
|
default:
|
|
|
|
return KEY_MGMT_PSK;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int wpa_supplicant_suites_from_ai(struct wpa_supplicant *wpa_s,
|
|
|
|
struct wpa_ssid *ssid,
|
|
|
|
struct wpa_ie_data *ie)
|
|
|
|
{
|
|
|
|
int ret = wpa_sm_parse_own_wpa_ie(wpa_s->wpa, ie);
|
|
|
|
if (ret) {
|
|
|
|
if (ret == -2) {
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, "WPA: Failed to parse WPA IE "
|
|
|
|
"from association info");
|
|
|
|
}
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Using WPA IE from AssocReq to set "
|
|
|
|
"cipher suites");
|
2008-02-28 02:34:43 +01:00
|
|
|
if (!(ie->group_cipher & ssid->group_cipher)) {
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled group "
|
|
|
|
"cipher 0x%x (mask 0x%x) - reject",
|
|
|
|
ie->group_cipher, ssid->group_cipher);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if (!(ie->pairwise_cipher & ssid->pairwise_cipher)) {
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled pairwise "
|
|
|
|
"cipher 0x%x (mask 0x%x) - reject",
|
|
|
|
ie->pairwise_cipher, ssid->pairwise_cipher);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if (!(ie->key_mgmt & ssid->key_mgmt)) {
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, "WPA: Driver used disabled key "
|
|
|
|
"management 0x%x (mask 0x%x) - reject",
|
|
|
|
ie->key_mgmt, ssid->key_mgmt);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef CONFIG_IEEE80211W
|
2008-08-30 13:59:39 +02:00
|
|
|
if (!(ie->capabilities & WPA_CAPABILITY_MFPC) &&
|
2010-01-03 20:02:51 +01:00
|
|
|
ssid->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) {
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_msg(wpa_s, MSG_INFO, "WPA: Driver associated with an AP "
|
|
|
|
"that does not support management frame protection - "
|
|
|
|
"reject");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_IEEE80211W */
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_set_suites - Set authentication and encryption parameters
|
|
|
|
* @wpa_s: Pointer to wpa_supplicant data
|
|
|
|
* @bss: Scan results for the selected BSS, or %NULL if not available
|
|
|
|
* @ssid: Configuration data for the selected network
|
|
|
|
* @wpa_ie: Buffer for the WPA/RSN IE
|
|
|
|
* @wpa_ie_len: Maximum wpa_ie buffer size on input. This is changed to be the
|
|
|
|
* used buffer length in case the functions returns success.
|
|
|
|
* Returns: 0 on success or -1 on failure
|
|
|
|
*
|
|
|
|
* This function is used to configure authentication and encryption parameters
|
|
|
|
* based on the network configuration and scan result for the selected BSS (if
|
|
|
|
* available).
|
|
|
|
*/
|
|
|
|
int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
|
2010-01-02 15:16:02 +01:00
|
|
|
struct wpa_bss *bss, struct wpa_ssid *ssid,
|
2008-02-28 02:34:43 +01:00
|
|
|
u8 *wpa_ie, size_t *wpa_ie_len)
|
|
|
|
{
|
|
|
|
struct wpa_ie_data ie;
|
|
|
|
int sel, proto;
|
|
|
|
const u8 *bss_wpa, *bss_rsn;
|
|
|
|
|
|
|
|
if (bss) {
|
2010-01-02 15:16:02 +01:00
|
|
|
bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
|
|
|
|
bss_rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
|
2008-02-28 02:34:43 +01:00
|
|
|
} else
|
|
|
|
bss_wpa = bss_rsn = NULL;
|
|
|
|
|
|
|
|
if (bss_rsn && (ssid->proto & WPA_PROTO_RSN) &&
|
|
|
|
wpa_parse_wpa_ie(bss_rsn, 2 + bss_rsn[1], &ie) == 0 &&
|
|
|
|
(ie.group_cipher & ssid->group_cipher) &&
|
|
|
|
(ie.pairwise_cipher & ssid->pairwise_cipher) &&
|
|
|
|
(ie.key_mgmt & ssid->key_mgmt)) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using IEEE 802.11i/D9.0");
|
2008-02-28 02:34:43 +01:00
|
|
|
proto = WPA_PROTO_RSN;
|
|
|
|
} else if (bss_wpa && (ssid->proto & WPA_PROTO_WPA) &&
|
|
|
|
wpa_parse_wpa_ie(bss_wpa, 2 +bss_wpa[1], &ie) == 0 &&
|
|
|
|
(ie.group_cipher & ssid->group_cipher) &&
|
|
|
|
(ie.pairwise_cipher & ssid->pairwise_cipher) &&
|
|
|
|
(ie.key_mgmt & ssid->key_mgmt)) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using IEEE 802.11i/D3.0");
|
2008-02-28 02:34:43 +01:00
|
|
|
proto = WPA_PROTO_WPA;
|
|
|
|
} else if (bss) {
|
|
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select WPA/RSN");
|
|
|
|
return -1;
|
|
|
|
} else {
|
|
|
|
if (ssid->proto & WPA_PROTO_RSN)
|
|
|
|
proto = WPA_PROTO_RSN;
|
|
|
|
else
|
|
|
|
proto = WPA_PROTO_WPA;
|
|
|
|
if (wpa_supplicant_suites_from_ai(wpa_s, ssid, &ie) < 0) {
|
|
|
|
os_memset(&ie, 0, sizeof(ie));
|
|
|
|
ie.group_cipher = ssid->group_cipher;
|
|
|
|
ie.pairwise_cipher = ssid->pairwise_cipher;
|
|
|
|
ie.key_mgmt = ssid->key_mgmt;
|
|
|
|
#ifdef CONFIG_IEEE80211W
|
|
|
|
ie.mgmt_group_cipher =
|
2010-01-03 20:02:51 +01:00
|
|
|
ssid->ieee80211w != NO_MGMT_FRAME_PROTECTION ?
|
2008-02-28 02:34:43 +01:00
|
|
|
WPA_CIPHER_AES_128_CMAC : 0;
|
|
|
|
#endif /* CONFIG_IEEE80211W */
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Set cipher suites "
|
|
|
|
"based on configuration");
|
2008-02-28 02:34:43 +01:00
|
|
|
} else
|
|
|
|
proto = ie.proto;
|
|
|
|
}
|
|
|
|
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected cipher suites: group %d "
|
|
|
|
"pairwise %d key_mgmt %d proto %d",
|
|
|
|
ie.group_cipher, ie.pairwise_cipher, ie.key_mgmt, proto);
|
2008-02-28 02:34:43 +01:00
|
|
|
#ifdef CONFIG_IEEE80211W
|
|
|
|
if (ssid->ieee80211w) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected mgmt group cipher %d",
|
|
|
|
ie.mgmt_group_cipher);
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
#endif /* CONFIG_IEEE80211W */
|
|
|
|
|
2011-09-02 19:40:23 +02:00
|
|
|
wpa_s->wpa_proto = proto;
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, proto);
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED,
|
|
|
|
!!(ssid->proto & WPA_PROTO_RSN));
|
|
|
|
|
|
|
|
if (bss || !wpa_s->ap_ies_from_associnfo) {
|
|
|
|
if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
|
|
|
|
bss_wpa ? 2 + bss_wpa[1] : 0) ||
|
|
|
|
wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
|
|
|
|
bss_rsn ? 2 + bss_rsn[1] : 0))
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
sel = ie.group_cipher & ssid->group_cipher;
|
|
|
|
if (sel & WPA_CIPHER_CCMP) {
|
|
|
|
wpa_s->group_cipher = WPA_CIPHER_CCMP;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK CCMP");
|
2008-02-28 02:34:43 +01:00
|
|
|
} else if (sel & WPA_CIPHER_TKIP) {
|
|
|
|
wpa_s->group_cipher = WPA_CIPHER_TKIP;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK TKIP");
|
2008-02-28 02:34:43 +01:00
|
|
|
} else if (sel & WPA_CIPHER_WEP104) {
|
|
|
|
wpa_s->group_cipher = WPA_CIPHER_WEP104;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK WEP104");
|
2008-02-28 02:34:43 +01:00
|
|
|
} else if (sel & WPA_CIPHER_WEP40) {
|
|
|
|
wpa_s->group_cipher = WPA_CIPHER_WEP40;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK WEP40");
|
2008-02-28 02:34:43 +01:00
|
|
|
} else {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select group "
|
|
|
|
"cipher");
|
2008-02-28 02:34:43 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
sel = ie.pairwise_cipher & ssid->pairwise_cipher;
|
|
|
|
if (sel & WPA_CIPHER_CCMP) {
|
|
|
|
wpa_s->pairwise_cipher = WPA_CIPHER_CCMP;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK CCMP");
|
2008-02-28 02:34:43 +01:00
|
|
|
} else if (sel & WPA_CIPHER_TKIP) {
|
|
|
|
wpa_s->pairwise_cipher = WPA_CIPHER_TKIP;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK TKIP");
|
2008-02-28 02:34:43 +01:00
|
|
|
} else if (sel & WPA_CIPHER_NONE) {
|
|
|
|
wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK NONE");
|
2008-02-28 02:34:43 +01:00
|
|
|
} else {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select pairwise "
|
|
|
|
"cipher");
|
2008-02-28 02:34:43 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
sel = ie.key_mgmt & ssid->key_mgmt;
|
|
|
|
if (0) {
|
|
|
|
#ifdef CONFIG_IEEE80211R
|
|
|
|
} else if (sel & WPA_KEY_MGMT_FT_IEEE8021X) {
|
|
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/802.1X");
|
2008-02-28 02:34:43 +01:00
|
|
|
} else if (sel & WPA_KEY_MGMT_FT_PSK) {
|
|
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_FT_PSK;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/PSK");
|
2008-02-28 02:34:43 +01:00
|
|
|
#endif /* CONFIG_IEEE80211R */
|
2008-08-31 21:57:28 +02:00
|
|
|
#ifdef CONFIG_IEEE80211W
|
|
|
|
} else if (sel & WPA_KEY_MGMT_IEEE8021X_SHA256) {
|
|
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG,
|
2008-08-31 21:57:28 +02:00
|
|
|
"WPA: using KEY_MGMT 802.1X with SHA256");
|
|
|
|
} else if (sel & WPA_KEY_MGMT_PSK_SHA256) {
|
|
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_PSK_SHA256;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG,
|
2008-08-31 21:57:28 +02:00
|
|
|
"WPA: using KEY_MGMT PSK with SHA256");
|
|
|
|
#endif /* CONFIG_IEEE80211W */
|
2008-02-28 02:34:43 +01:00
|
|
|
} else if (sel & WPA_KEY_MGMT_IEEE8021X) {
|
|
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT 802.1X");
|
2008-02-28 02:34:43 +01:00
|
|
|
} else if (sel & WPA_KEY_MGMT_PSK) {
|
|
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-PSK");
|
2008-02-28 02:34:43 +01:00
|
|
|
} else if (sel & WPA_KEY_MGMT_WPA_NONE) {
|
|
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_WPA_NONE;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-NONE");
|
2008-02-28 02:34:43 +01:00
|
|
|
} else {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select "
|
|
|
|
"authenticated key management type");
|
2008-02-28 02:34:43 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt);
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE,
|
|
|
|
wpa_s->pairwise_cipher);
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher);
|
|
|
|
|
|
|
|
#ifdef CONFIG_IEEE80211W
|
|
|
|
sel = ie.mgmt_group_cipher;
|
2010-01-03 20:02:51 +01:00
|
|
|
if (ssid->ieee80211w == NO_MGMT_FRAME_PROTECTION ||
|
2008-08-30 13:59:39 +02:00
|
|
|
!(ie.capabilities & WPA_CAPABILITY_MFPC))
|
2008-02-28 02:34:43 +01:00
|
|
|
sel = 0;
|
|
|
|
if (sel & WPA_CIPHER_AES_128_CMAC) {
|
|
|
|
wpa_s->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher "
|
2008-02-28 02:34:43 +01:00
|
|
|
"AES-128-CMAC");
|
|
|
|
} else {
|
|
|
|
wpa_s->mgmt_group_cipher = 0;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher");
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP,
|
|
|
|
wpa_s->mgmt_group_cipher);
|
2010-03-29 19:48:01 +02:00
|
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP, ssid->ieee80211w);
|
2008-02-28 02:34:43 +01:00
|
|
|
#endif /* CONFIG_IEEE80211W */
|
|
|
|
|
|
|
|
if (wpa_sm_set_assoc_wpa_ie_default(wpa_s->wpa, wpa_ie, wpa_ie_len)) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to generate WPA IE");
|
2008-02-28 02:34:43 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2008-08-31 21:57:28 +02:00
|
|
|
if (ssid->key_mgmt &
|
|
|
|
(WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK | WPA_KEY_MGMT_PSK_SHA256))
|
2011-09-30 21:01:42 +02:00
|
|
|
{
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN);
|
2011-09-30 21:01:42 +02:00
|
|
|
#ifndef CONFIG_NO_PBKDF2
|
|
|
|
if (bss && ssid->bssid_set && ssid->ssid_len == 0 &&
|
|
|
|
ssid->passphrase) {
|
|
|
|
u8 psk[PMK_LEN];
|
|
|
|
pbkdf2_sha1(ssid->passphrase, (char *) bss->ssid,
|
|
|
|
bss->ssid_len, 4096, psk, PMK_LEN);
|
|
|
|
wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
|
|
|
|
psk, PMK_LEN);
|
|
|
|
wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN);
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_NO_PBKDF2 */
|
|
|
|
} else
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_sm_set_pmk_from_pmksa(wpa_s->wpa);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_associate - Request association
|
|
|
|
* @wpa_s: Pointer to wpa_supplicant data
|
|
|
|
* @bss: Scan results for the selected BSS, or %NULL if not available
|
|
|
|
* @ssid: Configuration data for the selected network
|
|
|
|
*
|
|
|
|
* This function is used to request %wpa_supplicant to associate with a BSS.
|
|
|
|
*/
|
|
|
|
void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
|
2010-01-02 15:16:02 +01:00
|
|
|
struct wpa_bss *bss, struct wpa_ssid *ssid)
|
2008-02-28 02:34:43 +01:00
|
|
|
{
|
2010-07-18 23:30:25 +02:00
|
|
|
u8 wpa_ie[200];
|
2008-02-28 02:34:43 +01:00
|
|
|
size_t wpa_ie_len;
|
2009-09-13 19:53:32 +02:00
|
|
|
int use_crypt, ret, i, bssid_changed;
|
2010-01-03 20:14:40 +01:00
|
|
|
int algs = WPA_AUTH_ALG_OPEN;
|
2009-12-26 09:35:08 +01:00
|
|
|
enum wpa_cipher cipher_pairwise, cipher_group;
|
2008-02-28 02:34:43 +01:00
|
|
|
struct wpa_driver_associate_params params;
|
|
|
|
int wep_keys_set = 0;
|
|
|
|
struct wpa_driver_capa capa;
|
|
|
|
int assoc_failed = 0;
|
2009-09-13 19:53:32 +02:00
|
|
|
struct wpa_ssid *old_ssid;
|
2008-02-28 02:34:43 +01:00
|
|
|
|
2011-03-23 20:15:46 +01:00
|
|
|
#ifdef CONFIG_IBSS_RSN
|
|
|
|
ibss_rsn_deinit(wpa_s->ibss_rsn);
|
|
|
|
wpa_s->ibss_rsn = NULL;
|
|
|
|
#endif /* CONFIG_IBSS_RSN */
|
|
|
|
|
2010-07-18 23:30:24 +02:00
|
|
|
if (ssid->mode == WPAS_MODE_AP || ssid->mode == WPAS_MODE_P2P_GO ||
|
|
|
|
ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
|
2009-03-25 10:38:47 +01:00
|
|
|
#ifdef CONFIG_AP
|
|
|
|
if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP)) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_INFO, "Driver does not support AP "
|
|
|
|
"mode");
|
2009-03-25 10:38:47 +01:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
wpa_supplicant_create_ap(wpa_s, ssid);
|
2010-01-02 15:59:19 +01:00
|
|
|
wpa_s->current_bss = bss;
|
2009-03-25 10:38:47 +01:00
|
|
|
#else /* CONFIG_AP */
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "AP mode support not included in "
|
|
|
|
"the build");
|
2009-03-25 10:38:47 +01:00
|
|
|
#endif /* CONFIG_AP */
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2011-01-28 18:27:28 +01:00
|
|
|
#ifdef CONFIG_TDLS
|
2011-04-14 18:50:26 +02:00
|
|
|
if (bss)
|
|
|
|
wpa_tdls_ap_ies(wpa_s->wpa, (const u8 *) (bss + 1),
|
|
|
|
bss->ie_len);
|
2011-01-28 18:27:28 +01:00
|
|
|
#endif /* CONFIG_TDLS */
|
|
|
|
|
2009-12-03 23:15:32 +01:00
|
|
|
if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
|
|
|
|
ssid->mode == IEEE80211_MODE_INFRA) {
|
2009-03-20 21:26:41 +01:00
|
|
|
sme_authenticate(wpa_s, bss, ssid);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2010-09-04 12:56:12 +02:00
|
|
|
os_memset(¶ms, 0, sizeof(params));
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_s->reassociate = 0;
|
2011-09-26 13:57:23 +02:00
|
|
|
if (bss && !wpas_driver_bss_selection(wpa_s)) {
|
2008-02-28 02:34:43 +01:00
|
|
|
#ifdef CONFIG_IEEE80211R
|
2010-01-02 15:16:02 +01:00
|
|
|
const u8 *ie, *md = NULL;
|
2008-02-28 02:34:43 +01:00
|
|
|
#endif /* CONFIG_IEEE80211R */
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, "Trying to associate with " MACSTR
|
|
|
|
" (SSID='%s' freq=%d MHz)", MAC2STR(bss->bssid),
|
2010-01-02 15:16:02 +01:00
|
|
|
wpa_ssid_txt(bss->ssid, bss->ssid_len), bss->freq);
|
2009-09-13 19:53:32 +02:00
|
|
|
bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
|
2008-02-28 02:34:43 +01:00
|
|
|
os_memset(wpa_s->bssid, 0, ETH_ALEN);
|
|
|
|
os_memcpy(wpa_s->pending_bssid, bss->bssid, ETH_ALEN);
|
2009-09-13 19:53:32 +02:00
|
|
|
if (bssid_changed)
|
|
|
|
wpas_notify_bssid_changed(wpa_s);
|
2008-02-28 02:34:43 +01:00
|
|
|
#ifdef CONFIG_IEEE80211R
|
2010-01-02 15:16:02 +01:00
|
|
|
ie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
|
2008-02-28 02:34:43 +01:00
|
|
|
if (ie && ie[1] >= MOBILITY_DOMAIN_ID_LEN)
|
|
|
|
md = ie + 2;
|
2010-04-10 10:36:35 +02:00
|
|
|
wpa_sm_set_ft_params(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0);
|
2008-09-29 16:28:10 +02:00
|
|
|
if (md) {
|
|
|
|
/* Prepare for the next transition */
|
2010-04-09 15:26:20 +02:00
|
|
|
wpa_ft_prepare_auth_request(wpa_s->wpa, ie);
|
2008-09-29 16:28:10 +02:00
|
|
|
}
|
2008-02-28 02:34:43 +01:00
|
|
|
#endif /* CONFIG_IEEE80211R */
|
2008-12-20 21:55:02 +01:00
|
|
|
#ifdef CONFIG_WPS
|
|
|
|
} else if ((ssid->ssid == NULL || ssid->ssid_len == 0) &&
|
|
|
|
wpa_s->conf->ap_scan == 2 &&
|
|
|
|
(ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
|
|
|
|
/* Use ap_scan==1 style network selection to find the network
|
|
|
|
*/
|
|
|
|
wpa_s->scan_req = 2;
|
|
|
|
wpa_s->reassociate = 1;
|
|
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
|
|
|
return;
|
|
|
|
#endif /* CONFIG_WPS */
|
2008-02-28 02:34:43 +01:00
|
|
|
} else {
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, "Trying to associate with SSID '%s'",
|
|
|
|
wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
|
|
|
|
os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
|
|
|
|
}
|
2011-09-27 21:21:31 +02:00
|
|
|
wpa_supplicant_cancel_sched_scan(wpa_s);
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_supplicant_cancel_scan(wpa_s);
|
|
|
|
|
|
|
|
/* Starting new association, so clear the possibly used WPA IE from the
|
|
|
|
* previous association. */
|
|
|
|
wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
|
|
|
|
|
|
|
|
#ifdef IEEE8021X_EAPOL
|
|
|
|
if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
|
|
|
|
if (ssid->leap) {
|
|
|
|
if (ssid->non_leap == 0)
|
2010-01-03 20:14:40 +01:00
|
|
|
algs = WPA_AUTH_ALG_LEAP;
|
2008-02-28 02:34:43 +01:00
|
|
|
else
|
2010-01-03 20:14:40 +01:00
|
|
|
algs |= WPA_AUTH_ALG_LEAP;
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif /* IEEE8021X_EAPOL */
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Automatic auth_alg selection: 0x%x", algs);
|
2008-02-28 02:34:43 +01:00
|
|
|
if (ssid->auth_alg) {
|
2010-01-03 20:14:40 +01:00
|
|
|
algs = ssid->auth_alg;
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Overriding auth_alg selection: "
|
|
|
|
"0x%x", algs);
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
|
2010-01-02 15:16:02 +01:00
|
|
|
if (bss && (wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE) ||
|
|
|
|
wpa_bss_get_ie(bss, WLAN_EID_RSN)) &&
|
2008-02-28 02:34:43 +01:00
|
|
|
(ssid->key_mgmt & (WPA_KEY_MGMT_IEEE8021X | WPA_KEY_MGMT_PSK |
|
|
|
|
WPA_KEY_MGMT_FT_IEEE8021X |
|
2008-08-31 21:57:28 +02:00
|
|
|
WPA_KEY_MGMT_FT_PSK |
|
|
|
|
WPA_KEY_MGMT_IEEE8021X_SHA256 |
|
|
|
|
WPA_KEY_MGMT_PSK_SHA256))) {
|
2008-02-28 02:34:43 +01:00
|
|
|
int try_opportunistic;
|
|
|
|
try_opportunistic = ssid->proactive_key_caching &&
|
|
|
|
(ssid->proto & WPA_PROTO_RSN);
|
|
|
|
if (pmksa_cache_set_current(wpa_s->wpa, NULL, bss->bssid,
|
|
|
|
wpa_s->current_ssid,
|
|
|
|
try_opportunistic) == 0)
|
|
|
|
eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1);
|
|
|
|
wpa_ie_len = sizeof(wpa_ie);
|
|
|
|
if (wpa_supplicant_set_suites(wpa_s, bss, ssid,
|
|
|
|
wpa_ie, &wpa_ie_len)) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA "
|
|
|
|
"key management and encryption suites");
|
2008-02-28 02:34:43 +01:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
} else if (ssid->key_mgmt &
|
|
|
|
(WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X |
|
|
|
|
WPA_KEY_MGMT_WPA_NONE | WPA_KEY_MGMT_FT_PSK |
|
2008-08-31 21:57:28 +02:00
|
|
|
WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_PSK_SHA256 |
|
|
|
|
WPA_KEY_MGMT_IEEE8021X_SHA256)) {
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_ie_len = sizeof(wpa_ie);
|
|
|
|
if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
|
|
|
|
wpa_ie, &wpa_ie_len)) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA "
|
|
|
|
"key management and encryption suites (no "
|
|
|
|
"scan results)");
|
2008-02-28 02:34:43 +01:00
|
|
|
return;
|
|
|
|
}
|
2008-11-23 18:34:26 +01:00
|
|
|
#ifdef CONFIG_WPS
|
|
|
|
} else if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
|
2008-11-29 12:38:03 +01:00
|
|
|
struct wpabuf *wps_ie;
|
|
|
|
wps_ie = wps_build_assoc_req_ie(wpas_wps_get_req_type(ssid));
|
2008-11-23 18:34:26 +01:00
|
|
|
if (wps_ie && wpabuf_len(wps_ie) <= sizeof(wpa_ie)) {
|
|
|
|
wpa_ie_len = wpabuf_len(wps_ie);
|
|
|
|
os_memcpy(wpa_ie, wpabuf_head(wps_ie), wpa_ie_len);
|
2009-01-02 20:50:22 +01:00
|
|
|
} else
|
|
|
|
wpa_ie_len = 0;
|
2008-11-23 18:34:26 +01:00
|
|
|
wpabuf_free(wps_ie);
|
|
|
|
wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
|
2010-09-04 12:56:12 +02:00
|
|
|
if (!bss || (bss->caps & IEEE80211_CAP_PRIVACY))
|
|
|
|
params.wps = WPS_MODE_PRIVACY;
|
|
|
|
else
|
|
|
|
params.wps = WPS_MODE_OPEN;
|
2011-09-08 16:51:08 +02:00
|
|
|
wpa_s->wpa_proto = 0;
|
2008-11-23 18:34:26 +01:00
|
|
|
#endif /* CONFIG_WPS */
|
2008-02-28 02:34:43 +01:00
|
|
|
} else {
|
|
|
|
wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
|
|
|
|
wpa_ie_len = 0;
|
2011-09-08 16:51:08 +02:00
|
|
|
wpa_s->wpa_proto = 0;
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
|
2010-07-18 23:30:25 +02:00
|
|
|
#ifdef CONFIG_P2P
|
|
|
|
if (wpa_s->global->p2p) {
|
|
|
|
u8 *pos;
|
|
|
|
size_t len;
|
|
|
|
int res;
|
|
|
|
int p2p_group;
|
|
|
|
p2p_group = wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_CAPABLE;
|
|
|
|
pos = wpa_ie + wpa_ie_len;
|
|
|
|
len = sizeof(wpa_ie) - wpa_ie_len;
|
2010-07-07 06:37:20 +02:00
|
|
|
res = wpas_p2p_assoc_req_ie(wpa_s, bss, pos, len, p2p_group);
|
2010-07-18 23:30:25 +02:00
|
|
|
if (res >= 0)
|
|
|
|
wpa_ie_len += res;
|
|
|
|
}
|
2010-07-10 19:19:34 +02:00
|
|
|
|
|
|
|
wpa_s->cross_connect_disallowed = 0;
|
|
|
|
if (bss) {
|
|
|
|
struct wpabuf *p2p;
|
|
|
|
p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
|
|
|
|
if (p2p) {
|
|
|
|
wpa_s->cross_connect_disallowed =
|
|
|
|
p2p_get_cross_connect_disallowed(p2p);
|
|
|
|
wpabuf_free(p2p);
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "P2P: WLAN AP %s cross "
|
|
|
|
"connection",
|
|
|
|
wpa_s->cross_connect_disallowed ?
|
|
|
|
"disallows" : "allows");
|
2010-07-10 19:19:34 +02:00
|
|
|
}
|
|
|
|
}
|
2010-07-18 23:30:25 +02:00
|
|
|
#endif /* CONFIG_P2P */
|
|
|
|
|
2011-10-16 18:04:46 +02:00
|
|
|
#ifdef CONFIG_INTERWORKING
|
|
|
|
if (wpa_s->conf->interworking) {
|
|
|
|
u8 *pos = wpa_ie;
|
|
|
|
if (wpa_ie_len > 0 && pos[0] == WLAN_EID_RSN)
|
|
|
|
pos += 2 + pos[1];
|
|
|
|
os_memmove(pos + 6, pos, wpa_ie_len - (pos - wpa_ie));
|
|
|
|
wpa_ie_len += 6;
|
|
|
|
*pos++ = WLAN_EID_EXT_CAPAB;
|
|
|
|
*pos++ = 4;
|
|
|
|
*pos++ = 0x00;
|
|
|
|
*pos++ = 0x00;
|
|
|
|
*pos++ = 0x00;
|
|
|
|
*pos++ = 0x80; /* Bit 31 - Interworking */
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_INTERWORKING */
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_clear_keys(wpa_s, bss ? bss->bssid : NULL);
|
|
|
|
use_crypt = 1;
|
|
|
|
cipher_pairwise = cipher_suite2driver(wpa_s->pairwise_cipher);
|
|
|
|
cipher_group = cipher_suite2driver(wpa_s->group_cipher);
|
|
|
|
if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
|
|
|
|
wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
|
|
|
|
if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE)
|
|
|
|
use_crypt = 0;
|
|
|
|
if (wpa_set_wep_keys(wpa_s, ssid)) {
|
|
|
|
use_crypt = 1;
|
|
|
|
wep_keys_set = 1;
|
|
|
|
}
|
|
|
|
}
|
2008-11-23 18:34:26 +01:00
|
|
|
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS)
|
|
|
|
use_crypt = 0;
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
#ifdef IEEE8021X_EAPOL
|
|
|
|
if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
|
|
|
|
if ((ssid->eapol_flags &
|
|
|
|
(EAPOL_FLAG_REQUIRE_KEY_UNICAST |
|
|
|
|
EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) == 0 &&
|
|
|
|
!wep_keys_set) {
|
|
|
|
use_crypt = 0;
|
|
|
|
} else {
|
|
|
|
/* Assume that dynamic WEP-104 keys will be used and
|
|
|
|
* set cipher suites in order for drivers to expect
|
|
|
|
* encryption. */
|
|
|
|
cipher_pairwise = cipher_group = CIPHER_WEP104;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif /* IEEE8021X_EAPOL */
|
|
|
|
|
|
|
|
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
|
|
|
|
/* Set the key before (and later after) association */
|
|
|
|
wpa_supplicant_set_wpa_none_key(wpa_s, ssid);
|
|
|
|
}
|
|
|
|
|
|
|
|
wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATING);
|
|
|
|
if (bss) {
|
2010-01-02 15:16:02 +01:00
|
|
|
params.ssid = bss->ssid;
|
|
|
|
params.ssid_len = bss->ssid_len;
|
2011-09-26 13:57:23 +02:00
|
|
|
if (!wpas_driver_bss_selection(wpa_s)) {
|
|
|
|
params.bssid = bss->bssid;
|
|
|
|
params.freq = bss->freq;
|
|
|
|
}
|
2008-02-28 02:34:43 +01:00
|
|
|
} else {
|
|
|
|
params.ssid = ssid->ssid;
|
|
|
|
params.ssid_len = ssid->ssid_len;
|
|
|
|
}
|
2009-12-28 15:00:36 +01:00
|
|
|
if (ssid->mode == WPAS_MODE_IBSS && ssid->frequency > 0 &&
|
|
|
|
params.freq == 0)
|
2008-02-28 02:34:43 +01:00
|
|
|
params.freq = ssid->frequency; /* Initial channel for IBSS */
|
|
|
|
params.wpa_ie = wpa_ie;
|
|
|
|
params.wpa_ie_len = wpa_ie_len;
|
|
|
|
params.pairwise_suite = cipher_pairwise;
|
|
|
|
params.group_suite = cipher_group;
|
|
|
|
params.key_mgmt_suite = key_mgmt2driver(wpa_s->key_mgmt);
|
2011-09-02 19:40:23 +02:00
|
|
|
params.wpa_proto = wpa_s->wpa_proto;
|
2008-02-28 02:34:43 +01:00
|
|
|
params.auth_alg = algs;
|
|
|
|
params.mode = ssid->mode;
|
|
|
|
for (i = 0; i < NUM_WEP_KEYS; i++) {
|
|
|
|
if (ssid->wep_key_len[i])
|
|
|
|
params.wep_key[i] = ssid->wep_key[i];
|
|
|
|
params.wep_key_len[i] = ssid->wep_key_len[i];
|
|
|
|
}
|
|
|
|
params.wep_tx_keyidx = ssid->wep_tx_keyidx;
|
|
|
|
|
2009-03-20 21:26:41 +01:00
|
|
|
if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
|
2008-02-28 02:34:43 +01:00
|
|
|
(params.key_mgmt_suite == KEY_MGMT_PSK ||
|
|
|
|
params.key_mgmt_suite == KEY_MGMT_FT_PSK)) {
|
|
|
|
params.passphrase = ssid->passphrase;
|
|
|
|
if (ssid->psk_set)
|
|
|
|
params.psk = ssid->psk;
|
|
|
|
}
|
|
|
|
|
2009-03-24 19:06:02 +01:00
|
|
|
params.drop_unencrypted = use_crypt;
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
#ifdef CONFIG_IEEE80211W
|
2010-01-03 20:02:51 +01:00
|
|
|
params.mgmt_frame_protection = ssid->ieee80211w;
|
|
|
|
if (ssid->ieee80211w != NO_MGMT_FRAME_PROTECTION && bss) {
|
2010-01-02 15:16:02 +01:00
|
|
|
const u8 *rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
|
2008-12-31 16:53:31 +01:00
|
|
|
struct wpa_ie_data ie;
|
|
|
|
if (rsn && wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ie) == 0 &&
|
|
|
|
ie.capabilities &
|
|
|
|
(WPA_CAPABILITY_MFPC | WPA_CAPABILITY_MFPR)) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected AP supports "
|
|
|
|
"MFP: require MFP");
|
2008-12-31 16:53:31 +01:00
|
|
|
params.mgmt_frame_protection =
|
|
|
|
MGMT_FRAME_PROTECTION_REQUIRED;
|
|
|
|
}
|
|
|
|
}
|
2008-02-28 02:34:43 +01:00
|
|
|
#endif /* CONFIG_IEEE80211W */
|
|
|
|
|
2011-07-17 19:52:49 +02:00
|
|
|
params.p2p = ssid->p2p_group;
|
2010-07-18 23:30:25 +02:00
|
|
|
|
2010-07-28 19:18:52 +02:00
|
|
|
if (wpa_s->parent->set_sta_uapsd)
|
|
|
|
params.uapsd = wpa_s->parent->sta_uapsd;
|
|
|
|
else
|
|
|
|
params.uapsd = -1;
|
|
|
|
|
2011-10-22 21:45:38 +02:00
|
|
|
ret = wpa_drv_associate(wpa_s, ¶ms);
|
2008-02-28 02:34:43 +01:00
|
|
|
if (ret < 0) {
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, "Association request to the driver "
|
|
|
|
"failed");
|
2010-11-26 16:41:21 +01:00
|
|
|
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SANE_ERROR_CODES) {
|
|
|
|
/*
|
|
|
|
* The driver is known to mean what is saying, so we
|
|
|
|
* can stop right here; the association will not
|
|
|
|
* succeed.
|
|
|
|
*/
|
|
|
|
wpas_connection_failed(wpa_s, wpa_s->pending_bssid);
|
|
|
|
os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
|
|
|
|
return;
|
|
|
|
}
|
2008-02-28 02:34:43 +01:00
|
|
|
/* try to continue anyway; new association will be tried again
|
|
|
|
* after timeout */
|
|
|
|
assoc_failed = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
|
|
|
|
/* Set the key after the association just in case association
|
|
|
|
* cleared the previously configured key. */
|
|
|
|
wpa_supplicant_set_wpa_none_key(wpa_s, ssid);
|
|
|
|
/* No need to timeout authentication since there is no key
|
|
|
|
* management. */
|
|
|
|
wpa_supplicant_cancel_auth_timeout(wpa_s);
|
|
|
|
wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
|
2009-01-17 15:41:47 +01:00
|
|
|
#ifdef CONFIG_IBSS_RSN
|
2009-12-28 15:00:36 +01:00
|
|
|
} else if (ssid->mode == WPAS_MODE_IBSS &&
|
2009-01-17 15:41:47 +01:00
|
|
|
wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
|
|
|
|
wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) {
|
|
|
|
/*
|
|
|
|
* RSN IBSS authentication is per-STA and we can disable the
|
|
|
|
* per-BSSID authentication.
|
|
|
|
*/
|
|
|
|
wpa_supplicant_cancel_auth_timeout(wpa_s);
|
|
|
|
#endif /* CONFIG_IBSS_RSN */
|
2008-02-28 02:34:43 +01:00
|
|
|
} else {
|
|
|
|
/* Timeout for IEEE 802.11 authentication and association */
|
2008-06-04 20:00:09 +02:00
|
|
|
int timeout = 60;
|
|
|
|
|
|
|
|
if (assoc_failed) {
|
|
|
|
/* give IBSS a bit more time */
|
2009-12-28 15:00:36 +01:00
|
|
|
timeout = ssid->mode == WPAS_MODE_IBSS ? 10 : 5;
|
2008-06-04 20:00:09 +02:00
|
|
|
} else if (wpa_s->conf->ap_scan == 1) {
|
|
|
|
/* give IBSS a bit more time */
|
2009-12-28 15:00:36 +01:00
|
|
|
timeout = ssid->mode == WPAS_MODE_IBSS ? 20 : 10;
|
2008-06-04 20:00:09 +02:00
|
|
|
}
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (wep_keys_set && wpa_drv_get_capa(wpa_s, &capa) == 0 &&
|
|
|
|
capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC) {
|
|
|
|
/* Set static WEP keys again */
|
|
|
|
wpa_set_wep_keys(wpa_s, ssid);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) {
|
|
|
|
/*
|
|
|
|
* Do not allow EAP session resumption between different
|
|
|
|
* network configurations.
|
|
|
|
*/
|
|
|
|
eapol_sm_invalidate_cached_session(wpa_s->eapol);
|
|
|
|
}
|
2009-09-13 19:53:32 +02:00
|
|
|
old_ssid = wpa_s->current_ssid;
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_s->current_ssid = ssid;
|
2010-01-02 15:59:19 +01:00
|
|
|
wpa_s->current_bss = bss;
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
|
|
|
|
wpa_supplicant_initiate_eapol(wpa_s);
|
2009-09-13 19:53:32 +02:00
|
|
|
if (old_ssid != wpa_s->current_ssid)
|
|
|
|
wpas_notify_network_changed(wpa_s);
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-08-26 12:43:38 +02:00
|
|
|
static void wpa_supplicant_clear_connection(struct wpa_supplicant *wpa_s,
|
|
|
|
const u8 *addr)
|
|
|
|
{
|
|
|
|
struct wpa_ssid *old_ssid;
|
|
|
|
|
|
|
|
wpa_clear_keys(wpa_s, addr);
|
|
|
|
wpa_supplicant_mark_disassoc(wpa_s);
|
|
|
|
old_ssid = wpa_s->current_ssid;
|
|
|
|
wpa_s->current_ssid = NULL;
|
|
|
|
wpa_s->current_bss = NULL;
|
|
|
|
wpa_sm_set_config(wpa_s->wpa, NULL);
|
|
|
|
eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
|
|
|
|
if (old_ssid != wpa_s->current_ssid)
|
|
|
|
wpas_notify_network_changed(wpa_s);
|
|
|
|
eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
/**
|
|
|
|
* wpa_supplicant_disassociate - Disassociate the current connection
|
|
|
|
* @wpa_s: Pointer to wpa_supplicant data
|
|
|
|
* @reason_code: IEEE 802.11 reason code for the disassociate frame
|
|
|
|
*
|
|
|
|
* This function is used to request %wpa_supplicant to disassociate with the
|
|
|
|
* current AP.
|
|
|
|
*/
|
|
|
|
void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
|
|
|
|
int reason_code)
|
|
|
|
{
|
|
|
|
u8 *addr = NULL;
|
2009-09-13 19:53:32 +02:00
|
|
|
|
2008-06-03 17:08:48 +02:00
|
|
|
if (!is_zero_ether_addr(wpa_s->bssid)) {
|
2011-10-22 21:45:38 +02:00
|
|
|
wpa_drv_disassociate(wpa_s, wpa_s->bssid, reason_code);
|
2008-02-28 02:34:43 +01:00
|
|
|
addr = wpa_s->bssid;
|
|
|
|
}
|
2010-08-26 12:43:38 +02:00
|
|
|
|
|
|
|
wpa_supplicant_clear_connection(wpa_s, addr);
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_deauthenticate - Deauthenticate the current connection
|
|
|
|
* @wpa_s: Pointer to wpa_supplicant data
|
|
|
|
* @reason_code: IEEE 802.11 reason code for the deauthenticate frame
|
|
|
|
*
|
2009-02-10 10:45:17 +01:00
|
|
|
* This function is used to request %wpa_supplicant to deauthenticate from the
|
2008-02-28 02:34:43 +01:00
|
|
|
* current AP.
|
|
|
|
*/
|
|
|
|
void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
|
|
|
|
int reason_code)
|
|
|
|
{
|
|
|
|
u8 *addr = NULL;
|
2009-09-13 19:53:32 +02:00
|
|
|
|
2008-06-03 17:08:48 +02:00
|
|
|
if (!is_zero_ether_addr(wpa_s->bssid)) {
|
2011-10-22 21:45:38 +02:00
|
|
|
wpa_drv_deauthenticate(wpa_s, wpa_s->bssid, reason_code);
|
2008-02-28 02:34:43 +01:00
|
|
|
addr = wpa_s->bssid;
|
|
|
|
}
|
2010-08-26 12:43:38 +02:00
|
|
|
|
|
|
|
wpa_supplicant_clear_connection(wpa_s, addr);
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-09-13 20:16:43 +02:00
|
|
|
/**
|
|
|
|
* wpa_supplicant_enable_network - Mark a configured network as enabled
|
|
|
|
* @wpa_s: wpa_supplicant structure for a network interface
|
|
|
|
* @ssid: wpa_ssid structure for a configured network or %NULL
|
|
|
|
*
|
|
|
|
* Enables the specified network or all networks if no network specified.
|
|
|
|
*/
|
|
|
|
void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
|
|
|
|
struct wpa_ssid *ssid)
|
|
|
|
{
|
|
|
|
struct wpa_ssid *other_ssid;
|
|
|
|
int was_disabled;
|
|
|
|
|
|
|
|
if (ssid == NULL) {
|
2010-07-18 23:30:25 +02:00
|
|
|
for (other_ssid = wpa_s->conf->ssid; other_ssid;
|
|
|
|
other_ssid = other_ssid->next) {
|
|
|
|
if (other_ssid->disabled == 2)
|
|
|
|
continue; /* do not change persistent P2P group
|
|
|
|
* data */
|
2009-09-13 20:16:43 +02:00
|
|
|
if (other_ssid == wpa_s->current_ssid &&
|
|
|
|
other_ssid->disabled)
|
|
|
|
wpa_s->reassociate = 1;
|
|
|
|
|
|
|
|
was_disabled = other_ssid->disabled;
|
|
|
|
|
|
|
|
other_ssid->disabled = 0;
|
|
|
|
|
|
|
|
if (was_disabled != other_ssid->disabled)
|
|
|
|
wpas_notify_network_enabled_changed(
|
|
|
|
wpa_s, other_ssid);
|
|
|
|
}
|
|
|
|
if (wpa_s->reassociate)
|
|
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
2010-07-18 23:30:25 +02:00
|
|
|
} else if (ssid->disabled && ssid->disabled != 2) {
|
2010-05-02 10:08:03 +02:00
|
|
|
if (wpa_s->current_ssid == NULL) {
|
|
|
|
/*
|
|
|
|
* Try to reassociate since there is no current
|
|
|
|
* configuration and a new network was made available.
|
|
|
|
*/
|
|
|
|
wpa_s->reassociate = 1;
|
|
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
|
|
|
}
|
2009-09-13 20:16:43 +02:00
|
|
|
|
|
|
|
was_disabled = ssid->disabled;
|
|
|
|
|
|
|
|
ssid->disabled = 0;
|
|
|
|
|
|
|
|
if (was_disabled != ssid->disabled)
|
|
|
|
wpas_notify_network_enabled_changed(wpa_s, ssid);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_disable_network - Mark a configured network as disabled
|
|
|
|
* @wpa_s: wpa_supplicant structure for a network interface
|
|
|
|
* @ssid: wpa_ssid structure for a configured network or %NULL
|
|
|
|
*
|
|
|
|
* Disables the specified network or all networks if no network specified.
|
|
|
|
*/
|
|
|
|
void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
|
|
|
|
struct wpa_ssid *ssid)
|
|
|
|
{
|
|
|
|
struct wpa_ssid *other_ssid;
|
|
|
|
int was_disabled;
|
|
|
|
|
|
|
|
if (ssid == NULL) {
|
2010-07-18 23:30:25 +02:00
|
|
|
for (other_ssid = wpa_s->conf->ssid; other_ssid;
|
|
|
|
other_ssid = other_ssid->next) {
|
2009-09-13 20:16:43 +02:00
|
|
|
was_disabled = other_ssid->disabled;
|
2010-07-18 23:30:25 +02:00
|
|
|
if (was_disabled == 2)
|
|
|
|
continue; /* do not change persistent P2P group
|
|
|
|
* data */
|
2009-09-13 20:16:43 +02:00
|
|
|
|
|
|
|
other_ssid->disabled = 1;
|
|
|
|
|
|
|
|
if (was_disabled != other_ssid->disabled)
|
|
|
|
wpas_notify_network_enabled_changed(
|
|
|
|
wpa_s, other_ssid);
|
|
|
|
}
|
|
|
|
if (wpa_s->current_ssid)
|
|
|
|
wpa_supplicant_disassociate(
|
|
|
|
wpa_s, WLAN_REASON_DEAUTH_LEAVING);
|
2010-07-18 23:30:25 +02:00
|
|
|
} else if (ssid->disabled != 2) {
|
2009-09-13 20:16:43 +02:00
|
|
|
if (ssid == wpa_s->current_ssid)
|
|
|
|
wpa_supplicant_disassociate(
|
|
|
|
wpa_s, WLAN_REASON_DEAUTH_LEAVING);
|
|
|
|
|
|
|
|
was_disabled = ssid->disabled;
|
|
|
|
|
|
|
|
ssid->disabled = 1;
|
|
|
|
|
|
|
|
if (was_disabled != ssid->disabled)
|
|
|
|
wpas_notify_network_enabled_changed(wpa_s, ssid);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_select_network - Attempt association with a network
|
|
|
|
* @wpa_s: wpa_supplicant structure for a network interface
|
|
|
|
* @ssid: wpa_ssid structure for a configured network or %NULL for any network
|
|
|
|
*/
|
|
|
|
void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
|
|
|
|
struct wpa_ssid *ssid)
|
|
|
|
{
|
|
|
|
|
|
|
|
struct wpa_ssid *other_ssid;
|
|
|
|
|
|
|
|
if (ssid && ssid != wpa_s->current_ssid && wpa_s->current_ssid)
|
|
|
|
wpa_supplicant_disassociate(
|
|
|
|
wpa_s, WLAN_REASON_DEAUTH_LEAVING);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Mark all other networks disabled or mark all networks enabled if no
|
|
|
|
* network specified.
|
|
|
|
*/
|
2010-07-18 23:30:25 +02:00
|
|
|
for (other_ssid = wpa_s->conf->ssid; other_ssid;
|
|
|
|
other_ssid = other_ssid->next) {
|
2009-09-13 20:16:43 +02:00
|
|
|
int was_disabled = other_ssid->disabled;
|
2010-07-18 23:30:25 +02:00
|
|
|
if (was_disabled == 2)
|
|
|
|
continue; /* do not change persistent P2P group data */
|
2009-09-13 20:16:43 +02:00
|
|
|
|
|
|
|
other_ssid->disabled = ssid ? (ssid->id != other_ssid->id) : 0;
|
|
|
|
|
|
|
|
if (was_disabled != other_ssid->disabled)
|
|
|
|
wpas_notify_network_enabled_changed(wpa_s, other_ssid);
|
|
|
|
}
|
2011-10-02 12:12:43 +02:00
|
|
|
|
|
|
|
if (ssid && ssid == wpa_s->current_ssid && wpa_s->current_ssid) {
|
|
|
|
/* We are already associated with the selected network */
|
|
|
|
wpa_printf(MSG_DEBUG, "Already associated with the "
|
|
|
|
"selected network - do nothing");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2011-06-21 10:47:03 +02:00
|
|
|
wpa_s->connect_without_scan = NULL;
|
2009-09-13 20:16:43 +02:00
|
|
|
wpa_s->disconnected = 0;
|
|
|
|
wpa_s->reassociate = 1;
|
|
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
|
|
|
|
2009-11-10 17:06:02 +01:00
|
|
|
if (ssid)
|
|
|
|
wpas_notify_network_selected(wpa_s, ssid);
|
2009-09-13 20:16:43 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_set_ap_scan - Set AP scan mode for interface
|
|
|
|
* @wpa_s: wpa_supplicant structure for a network interface
|
|
|
|
* @ap_scan: AP scan mode
|
|
|
|
* Returns: 0 if succeed or -1 if ap_scan has an invalid value
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s, int ap_scan)
|
|
|
|
{
|
|
|
|
|
|
|
|
int old_ap_scan;
|
|
|
|
|
|
|
|
if (ap_scan < 0 || ap_scan > 2)
|
|
|
|
return -1;
|
|
|
|
|
2011-08-16 20:52:06 +02:00
|
|
|
#ifdef ANDROID
|
|
|
|
if (ap_scan == 2 && ap_scan != wpa_s->conf->ap_scan &&
|
|
|
|
wpa_s->wpa_state >= WPA_ASSOCIATING &&
|
|
|
|
wpa_s->wpa_state < WPA_COMPLETED) {
|
|
|
|
wpa_printf(MSG_ERROR, "ap_scan = %d (%d) rejected while "
|
|
|
|
"associating", wpa_s->conf->ap_scan, ap_scan);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif /* ANDROID */
|
|
|
|
|
2009-09-13 20:16:43 +02:00
|
|
|
old_ap_scan = wpa_s->conf->ap_scan;
|
|
|
|
wpa_s->conf->ap_scan = ap_scan;
|
|
|
|
|
|
|
|
if (old_ap_scan != wpa_s->conf->ap_scan)
|
|
|
|
wpas_notify_ap_scan_changed(wpa_s);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2011-03-20 11:40:59 +01:00
|
|
|
/**
|
|
|
|
* wpa_supplicant_set_bss_expiration_age - Set BSS entry expiration age
|
|
|
|
* @wpa_s: wpa_supplicant structure for a network interface
|
|
|
|
* @expire_age: Expiration age in seconds
|
|
|
|
* Returns: 0 if succeed or -1 if expire_age has an invalid value
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
|
|
|
|
unsigned int bss_expire_age)
|
|
|
|
{
|
|
|
|
if (bss_expire_age < 10) {
|
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration age %u",
|
|
|
|
bss_expire_age);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration age: %d sec",
|
|
|
|
bss_expire_age);
|
|
|
|
wpa_s->conf->bss_expiration_age = bss_expire_age;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_set_bss_expiration_count - Set BSS entry expiration scan count
|
|
|
|
* @wpa_s: wpa_supplicant structure for a network interface
|
|
|
|
* @expire_count: number of scans after which an unseen BSS is reclaimed
|
|
|
|
* Returns: 0 if succeed or -1 if expire_count has an invalid value
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
|
|
|
|
unsigned int bss_expire_count)
|
|
|
|
{
|
|
|
|
if (bss_expire_count < 1) {
|
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration count %u",
|
|
|
|
bss_expire_count);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration scan count: %u",
|
|
|
|
bss_expire_count);
|
|
|
|
wpa_s->conf->bss_expiration_scan_count = bss_expire_count;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-09-13 20:16:43 +02:00
|
|
|
/**
|
|
|
|
* wpa_supplicant_set_debug_params - Set global debug params
|
|
|
|
* @global: wpa_global structure
|
|
|
|
* @debug_level: debug level
|
|
|
|
* @debug_timestamp: determines if show timestamp in debug data
|
|
|
|
* @debug_show_keys: determines if show keys in debug data
|
|
|
|
* Returns: 0 if succeed or -1 if debug_level has wrong value
|
|
|
|
*/
|
|
|
|
int wpa_supplicant_set_debug_params(struct wpa_global *global, int debug_level,
|
|
|
|
int debug_timestamp, int debug_show_keys)
|
|
|
|
{
|
|
|
|
|
|
|
|
int old_level, old_timestamp, old_show_keys;
|
|
|
|
|
|
|
|
/* check for allowed debuglevels */
|
2011-03-31 16:38:08 +02:00
|
|
|
if (debug_level != MSG_EXCESSIVE &&
|
|
|
|
debug_level != MSG_MSGDUMP &&
|
2009-09-13 20:16:43 +02:00
|
|
|
debug_level != MSG_DEBUG &&
|
|
|
|
debug_level != MSG_INFO &&
|
|
|
|
debug_level != MSG_WARNING &&
|
|
|
|
debug_level != MSG_ERROR)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
old_level = wpa_debug_level;
|
|
|
|
old_timestamp = wpa_debug_timestamp;
|
|
|
|
old_show_keys = wpa_debug_show_keys;
|
|
|
|
|
|
|
|
wpa_debug_level = debug_level;
|
|
|
|
wpa_debug_timestamp = debug_timestamp ? 1 : 0;
|
|
|
|
wpa_debug_show_keys = debug_show_keys ? 1 : 0;
|
|
|
|
|
2010-01-01 12:00:22 +01:00
|
|
|
if (wpa_debug_level != old_level)
|
|
|
|
wpas_notify_debug_level_changed(global);
|
|
|
|
if (wpa_debug_timestamp != old_timestamp)
|
|
|
|
wpas_notify_debug_timestamp_changed(global);
|
|
|
|
if (wpa_debug_show_keys != old_show_keys)
|
|
|
|
wpas_notify_debug_show_keys_changed(global);
|
2009-09-13 20:16:43 +02:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
/**
|
|
|
|
* wpa_supplicant_get_ssid - Get a pointer to the current network structure
|
|
|
|
* @wpa_s: Pointer to wpa_supplicant data
|
|
|
|
* Returns: A pointer to the current network structure or %NULL on failure
|
|
|
|
*/
|
|
|
|
struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
struct wpa_ssid *entry;
|
|
|
|
u8 ssid[MAX_SSID_LEN];
|
|
|
|
int res;
|
|
|
|
size_t ssid_len;
|
|
|
|
u8 bssid[ETH_ALEN];
|
|
|
|
int wired;
|
|
|
|
|
2011-10-22 21:45:38 +02:00
|
|
|
res = wpa_drv_get_ssid(wpa_s, ssid);
|
|
|
|
if (res < 0) {
|
|
|
|
wpa_msg(wpa_s, MSG_WARNING, "Could not read SSID from "
|
|
|
|
"driver");
|
|
|
|
return NULL;
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
2011-10-22 21:45:38 +02:00
|
|
|
ssid_len = res;
|
2008-02-28 02:34:43 +01:00
|
|
|
|
2011-10-22 21:45:38 +02:00
|
|
|
if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_WARNING, "Could not read BSSID from "
|
|
|
|
"driver");
|
2008-02-28 02:34:43 +01:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2009-03-20 21:26:41 +01:00
|
|
|
wired = wpa_s->conf->ap_scan == 0 &&
|
|
|
|
(wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED);
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
entry = wpa_s->conf->ssid;
|
|
|
|
while (entry) {
|
|
|
|
if (!entry->disabled &&
|
|
|
|
((ssid_len == entry->ssid_len &&
|
|
|
|
os_memcmp(ssid, entry->ssid, ssid_len) == 0) || wired) &&
|
|
|
|
(!entry->bssid_set ||
|
|
|
|
os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0))
|
|
|
|
return entry;
|
2008-12-20 21:55:02 +01:00
|
|
|
#ifdef CONFIG_WPS
|
|
|
|
if (!entry->disabled &&
|
|
|
|
(entry->key_mgmt & WPA_KEY_MGMT_WPS) &&
|
|
|
|
(entry->ssid == NULL || entry->ssid_len == 0) &&
|
|
|
|
(!entry->bssid_set ||
|
|
|
|
os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0))
|
|
|
|
return entry;
|
|
|
|
#endif /* CONFIG_WPS */
|
2011-09-30 21:01:42 +02:00
|
|
|
|
|
|
|
if (!entry->disabled && entry->bssid_set &&
|
|
|
|
entry->ssid_len == 0 &&
|
|
|
|
os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)
|
|
|
|
return entry;
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
entry = entry->next;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2011-10-23 12:20:52 +02:00
|
|
|
static int select_driver(struct wpa_supplicant *wpa_s, int i)
|
|
|
|
{
|
|
|
|
struct wpa_global *global = wpa_s->global;
|
|
|
|
|
|
|
|
if (wpa_drivers[i]->global_init && global->drv_priv[i] == NULL) {
|
|
|
|
global->drv_priv[i] = wpa_drivers[i]->global_init();
|
|
|
|
if (global->drv_priv[i] == NULL) {
|
|
|
|
wpa_printf(MSG_ERROR, "Failed to initialize driver "
|
|
|
|
"'%s'", wpa_drivers[i]->name);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
wpa_s->driver = wpa_drivers[i];
|
|
|
|
wpa_s->global_drv_priv = global->drv_priv[i];
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
static int wpa_supplicant_set_driver(struct wpa_supplicant *wpa_s,
|
|
|
|
const char *name)
|
|
|
|
{
|
|
|
|
int i;
|
2009-02-14 15:43:43 +01:00
|
|
|
size_t len;
|
2010-11-09 15:45:27 +01:00
|
|
|
const char *pos, *driver = name;
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
if (wpa_s == NULL)
|
|
|
|
return -1;
|
|
|
|
|
2009-04-09 12:40:12 +02:00
|
|
|
if (wpa_drivers[0] == NULL) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "No driver interfaces build into "
|
|
|
|
"wpa_supplicant");
|
2008-02-28 02:34:43 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (name == NULL) {
|
|
|
|
/* default to first driver in the list */
|
2011-10-23 12:20:52 +02:00
|
|
|
return select_driver(wpa_s, 0);
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
|
2010-11-09 15:45:27 +01:00
|
|
|
do {
|
|
|
|
pos = os_strchr(driver, ',');
|
|
|
|
if (pos)
|
|
|
|
len = pos - driver;
|
|
|
|
else
|
|
|
|
len = os_strlen(driver);
|
|
|
|
|
|
|
|
for (i = 0; wpa_drivers[i]; i++) {
|
|
|
|
if (os_strlen(wpa_drivers[i]->name) == len &&
|
|
|
|
os_strncmp(driver, wpa_drivers[i]->name, len) ==
|
2011-10-23 12:20:52 +02:00
|
|
|
0)
|
|
|
|
return select_driver(wpa_s, i);
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
2010-11-09 15:45:27 +01:00
|
|
|
|
|
|
|
driver = pos + 1;
|
|
|
|
} while (pos);
|
2008-02-28 02:34:43 +01:00
|
|
|
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Unsupported driver '%s'", name);
|
2008-02-28 02:34:43 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-01-03 16:44:40 +01:00
|
|
|
/**
|
|
|
|
* wpa_supplicant_rx_eapol - Deliver a received EAPOL frame to wpa_supplicant
|
|
|
|
* @ctx: Context pointer (wpa_s); this is the ctx variable registered
|
|
|
|
* with struct wpa_driver_ops::init()
|
|
|
|
* @src_addr: Source address of the EAPOL frame
|
|
|
|
* @buf: EAPOL data starting from the EAPOL header (i.e., no Ethernet header)
|
|
|
|
* @len: Length of the EAPOL data
|
|
|
|
*
|
|
|
|
* This function is called for each received EAPOL frame. Most driver
|
|
|
|
* interfaces rely on more generic OS mechanism for receiving frames through
|
|
|
|
* l2_packet, but if such a mechanism is not available, the driver wrapper may
|
|
|
|
* take care of received EAPOL frames and deliver them to the core supplicant
|
|
|
|
* code by calling this function.
|
|
|
|
*/
|
2008-02-28 02:34:43 +01:00
|
|
|
void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
|
|
|
|
const u8 *buf, size_t len)
|
|
|
|
{
|
|
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR, MAC2STR(src_addr));
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_hexdump(MSG_MSGDUMP, "RX EAPOL", buf, len);
|
|
|
|
|
2009-09-04 17:04:41 +02:00
|
|
|
if (wpa_s->wpa_state < WPA_ASSOCIATED) {
|
|
|
|
/*
|
|
|
|
* There is possible race condition between receiving the
|
|
|
|
* association event and the EAPOL frame since they are coming
|
|
|
|
* through different paths from the driver. In order to avoid
|
|
|
|
* issues in trying to process the EAPOL frame before receiving
|
|
|
|
* association information, lets queue it for processing until
|
|
|
|
* the association event is received.
|
|
|
|
*/
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Not associated - Delay processing "
|
|
|
|
"of received EAPOL frame");
|
2009-09-04 17:04:41 +02:00
|
|
|
wpabuf_free(wpa_s->pending_eapol_rx);
|
|
|
|
wpa_s->pending_eapol_rx = wpabuf_alloc_copy(buf, len);
|
|
|
|
if (wpa_s->pending_eapol_rx) {
|
|
|
|
os_get_time(&wpa_s->pending_eapol_rx_time);
|
|
|
|
os_memcpy(wpa_s->pending_eapol_rx_src, src_addr,
|
|
|
|
ETH_ALEN);
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2009-04-20 15:27:45 +02:00
|
|
|
#ifdef CONFIG_AP
|
|
|
|
if (wpa_s->ap_iface) {
|
|
|
|
wpa_supplicant_ap_rx_eapol(wpa_s, src_addr, buf, len);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_AP */
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Ignored received EAPOL frame since "
|
|
|
|
"no key management is configured");
|
2008-02-28 02:34:43 +01:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (wpa_s->eapol_received == 0 &&
|
2009-03-20 21:26:41 +01:00
|
|
|
(!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) ||
|
2008-08-31 21:57:28 +02:00
|
|
|
!wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
|
2009-12-04 21:09:06 +01:00
|
|
|
wpa_s->wpa_state != WPA_COMPLETED) &&
|
|
|
|
(wpa_s->current_ssid == NULL ||
|
|
|
|
wpa_s->current_ssid->mode != IEEE80211_MODE_IBSS)) {
|
2008-02-28 02:34:43 +01:00
|
|
|
/* Timeout for completing IEEE 802.1X and WPA authentication */
|
|
|
|
wpa_supplicant_req_auth_timeout(
|
|
|
|
wpa_s,
|
2008-08-31 21:57:28 +02:00
|
|
|
(wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
|
2008-12-25 19:26:07 +01:00
|
|
|
wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA ||
|
|
|
|
wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) ?
|
2008-02-28 02:34:43 +01:00
|
|
|
70 : 10, 0);
|
|
|
|
}
|
|
|
|
wpa_s->eapol_received++;
|
|
|
|
|
|
|
|
if (wpa_s->countermeasures) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_INFO, "WPA: Countermeasures - dropped "
|
|
|
|
"EAPOL packet");
|
2008-02-28 02:34:43 +01:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2009-01-17 16:25:11 +01:00
|
|
|
#ifdef CONFIG_IBSS_RSN
|
|
|
|
if (wpa_s->current_ssid &&
|
2009-12-28 15:00:36 +01:00
|
|
|
wpa_s->current_ssid->mode == WPAS_MODE_IBSS) {
|
2009-01-17 16:25:11 +01:00
|
|
|
ibss_rsn_rx_eapol(wpa_s->ibss_rsn, src_addr, buf, len);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_IBSS_RSN */
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
/* Source address of the incoming EAPOL frame could be compared to the
|
|
|
|
* current BSSID. However, it is possible that a centralized
|
|
|
|
* Authenticator could be using another MAC address than the BSSID of
|
|
|
|
* an AP, so just allow any address to be used for now. The replies are
|
|
|
|
* still sent to the current BSSID (if available), though. */
|
|
|
|
|
|
|
|
os_memcpy(wpa_s->last_eapol_src, src_addr, ETH_ALEN);
|
2008-08-31 21:57:28 +02:00
|
|
|
if (!wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) &&
|
2008-02-28 02:34:43 +01:00
|
|
|
eapol_sm_rx_eapol(wpa_s->eapol, src_addr, buf, len) > 0)
|
|
|
|
return;
|
|
|
|
wpa_drv_poll(wpa_s);
|
2009-03-20 21:26:41 +01:00
|
|
|
if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE))
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_sm_rx_eapol(wpa_s->wpa, src_addr, buf, len);
|
2008-08-31 21:57:28 +02:00
|
|
|
else if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
|
2008-02-28 02:34:43 +01:00
|
|
|
/*
|
|
|
|
* Set portValid = TRUE here since we are going to skip 4-way
|
|
|
|
* handshake processing which would normally set portValid. We
|
|
|
|
* need this to allow the EAPOL state machines to be completed
|
|
|
|
* without going through EAPOL-Key handshake.
|
|
|
|
*/
|
|
|
|
eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_driver_init - Initialize driver interface parameters
|
|
|
|
* @wpa_s: Pointer to wpa_supplicant data
|
|
|
|
* Returns: 0 on success, -1 on failure
|
|
|
|
*
|
|
|
|
* This function is called to initialize driver interface parameters.
|
|
|
|
* wpa_drv_init() must have been called before this function to initialize the
|
|
|
|
* driver interface.
|
|
|
|
*/
|
|
|
|
int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
static int interface_count = 0;
|
|
|
|
|
|
|
|
if (wpa_s->driver->send_eapol) {
|
|
|
|
const u8 *addr = wpa_drv_get_mac_addr(wpa_s);
|
|
|
|
if (addr)
|
|
|
|
os_memcpy(wpa_s->own_addr, addr, ETH_ALEN);
|
2010-07-18 23:30:25 +02:00
|
|
|
} else if (!(wpa_s->drv_flags &
|
|
|
|
WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)) {
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_s->l2 = l2_packet_init(wpa_s->ifname,
|
|
|
|
wpa_drv_get_mac_addr(wpa_s),
|
|
|
|
ETH_P_EAPOL,
|
|
|
|
wpa_supplicant_rx_eapol, wpa_s, 0);
|
|
|
|
if (wpa_s->l2 == NULL)
|
|
|
|
return -1;
|
2010-07-18 23:30:25 +02:00
|
|
|
} else {
|
|
|
|
const u8 *addr = wpa_drv_get_mac_addr(wpa_s);
|
|
|
|
if (addr)
|
|
|
|
os_memcpy(wpa_s->own_addr, addr, ETH_ALEN);
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (wpa_s->l2 && l2_packet_get_own_addr(wpa_s->l2, wpa_s->own_addr)) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Failed to get own L2 address");
|
2008-02-28 02:34:43 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Own MAC address: " MACSTR,
|
|
|
|
MAC2STR(wpa_s->own_addr));
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
if (wpa_s->bridge_ifname[0]) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Receiving packets from bridge "
|
|
|
|
"interface '%s'", wpa_s->bridge_ifname);
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_s->l2_br = l2_packet_init(wpa_s->bridge_ifname,
|
|
|
|
wpa_s->own_addr,
|
|
|
|
ETH_P_EAPOL,
|
|
|
|
wpa_supplicant_rx_eapol, wpa_s,
|
|
|
|
0);
|
|
|
|
if (wpa_s->l2_br == NULL) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Failed to open l2_packet "
|
|
|
|
"connection for the bridge interface '%s'",
|
|
|
|
wpa_s->bridge_ifname);
|
2008-02-28 02:34:43 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
wpa_clear_keys(wpa_s, NULL);
|
|
|
|
|
|
|
|
/* Make sure that TKIP countermeasures are not left enabled (could
|
|
|
|
* happen if wpa_supplicant is killed during countermeasures. */
|
|
|
|
wpa_drv_set_countermeasures(wpa_s, 0);
|
|
|
|
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "RSN: flushing PMKID list in the driver");
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_drv_flush_pmkid(wpa_s);
|
|
|
|
|
2009-02-14 21:21:17 +01:00
|
|
|
wpa_s->prev_scan_ssid = WILDCARD_SSID_SCAN;
|
2010-04-16 17:56:23 +02:00
|
|
|
if (wpa_supplicant_enabled_networks(wpa_s->conf)) {
|
2011-09-27 21:21:38 +02:00
|
|
|
if (wpa_supplicant_delayed_sched_scan(wpa_s, interface_count,
|
|
|
|
100000))
|
2011-09-27 21:21:31 +02:00
|
|
|
wpa_supplicant_req_scan(wpa_s, interface_count,
|
|
|
|
100000);
|
2010-04-16 17:56:23 +02:00
|
|
|
interface_count++;
|
|
|
|
} else
|
|
|
|
wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int wpa_supplicant_daemon(const char *pid_file)
|
|
|
|
{
|
|
|
|
wpa_printf(MSG_DEBUG, "Daemonize..");
|
|
|
|
return os_daemonize(pid_file);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static struct wpa_supplicant * wpa_supplicant_alloc(void)
|
|
|
|
{
|
|
|
|
struct wpa_supplicant *wpa_s;
|
|
|
|
|
|
|
|
wpa_s = os_zalloc(sizeof(*wpa_s));
|
|
|
|
if (wpa_s == NULL)
|
|
|
|
return NULL;
|
|
|
|
wpa_s->scan_req = 1;
|
2011-04-11 22:14:38 +02:00
|
|
|
wpa_s->scan_interval = 5;
|
2009-12-15 12:17:56 +01:00
|
|
|
wpa_s->new_connection = 1;
|
2010-07-18 23:30:25 +02:00
|
|
|
wpa_s->parent = wpa_s;
|
2011-09-27 21:21:29 +02:00
|
|
|
wpa_s->sched_scanning = 0;
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
return wpa_s;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int wpa_supplicant_init_iface(struct wpa_supplicant *wpa_s,
|
|
|
|
struct wpa_interface *iface)
|
|
|
|
{
|
2009-02-14 15:43:43 +01:00
|
|
|
const char *ifname, *driver;
|
|
|
|
struct wpa_driver_capa capa;
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_printf(MSG_DEBUG, "Initializing interface '%s' conf '%s' driver "
|
|
|
|
"'%s' ctrl_interface '%s' bridge '%s'", iface->ifname,
|
|
|
|
iface->confname ? iface->confname : "N/A",
|
|
|
|
iface->driver ? iface->driver : "default",
|
|
|
|
iface->ctrl_interface ? iface->ctrl_interface : "N/A",
|
|
|
|
iface->bridge_ifname ? iface->bridge_ifname : "N/A");
|
|
|
|
|
|
|
|
if (iface->confname) {
|
|
|
|
#ifdef CONFIG_BACKEND_FILE
|
|
|
|
wpa_s->confname = os_rel2abs_path(iface->confname);
|
|
|
|
if (wpa_s->confname == NULL) {
|
|
|
|
wpa_printf(MSG_ERROR, "Failed to get absolute path "
|
|
|
|
"for configuration file '%s'.",
|
|
|
|
iface->confname);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
wpa_printf(MSG_DEBUG, "Configuration file '%s' -> '%s'",
|
|
|
|
iface->confname, wpa_s->confname);
|
|
|
|
#else /* CONFIG_BACKEND_FILE */
|
|
|
|
wpa_s->confname = os_strdup(iface->confname);
|
|
|
|
#endif /* CONFIG_BACKEND_FILE */
|
|
|
|
wpa_s->conf = wpa_config_read(wpa_s->confname);
|
|
|
|
if (wpa_s->conf == NULL) {
|
|
|
|
wpa_printf(MSG_ERROR, "Failed to read or parse "
|
|
|
|
"configuration '%s'.", wpa_s->confname);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Override ctrl_interface and driver_param if set on command
|
|
|
|
* line.
|
|
|
|
*/
|
|
|
|
if (iface->ctrl_interface) {
|
|
|
|
os_free(wpa_s->conf->ctrl_interface);
|
|
|
|
wpa_s->conf->ctrl_interface =
|
|
|
|
os_strdup(iface->ctrl_interface);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (iface->driver_param) {
|
|
|
|
os_free(wpa_s->conf->driver_param);
|
|
|
|
wpa_s->conf->driver_param =
|
|
|
|
os_strdup(iface->driver_param);
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
wpa_s->conf = wpa_config_alloc_empty(iface->ctrl_interface,
|
|
|
|
iface->driver_param);
|
|
|
|
|
|
|
|
if (wpa_s->conf == NULL) {
|
|
|
|
wpa_printf(MSG_ERROR, "\nNo configuration found.");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (iface->ifname == NULL) {
|
|
|
|
wpa_printf(MSG_ERROR, "\nInterface name is required.");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if (os_strlen(iface->ifname) >= sizeof(wpa_s->ifname)) {
|
|
|
|
wpa_printf(MSG_ERROR, "\nToo long interface name '%s'.",
|
|
|
|
iface->ifname);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
os_strlcpy(wpa_s->ifname, iface->ifname, sizeof(wpa_s->ifname));
|
|
|
|
|
|
|
|
if (iface->bridge_ifname) {
|
|
|
|
if (os_strlen(iface->bridge_ifname) >=
|
|
|
|
sizeof(wpa_s->bridge_ifname)) {
|
|
|
|
wpa_printf(MSG_ERROR, "\nToo long bridge interface "
|
|
|
|
"name '%s'.", iface->bridge_ifname);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
os_strlcpy(wpa_s->bridge_ifname, iface->bridge_ifname,
|
|
|
|
sizeof(wpa_s->bridge_ifname));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* RSNA Supplicant Key Management - INITIALIZE */
|
|
|
|
eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
|
|
|
|
eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
|
|
|
|
|
|
|
|
/* Initialize driver interface and register driver event handler before
|
|
|
|
* L2 receive handler so that association events are processed before
|
|
|
|
* EAPOL-Key packets if both become available for the same select()
|
|
|
|
* call. */
|
2009-02-14 15:43:43 +01:00
|
|
|
driver = iface->driver;
|
|
|
|
next_driver:
|
|
|
|
if (wpa_supplicant_set_driver(wpa_s, driver) < 0)
|
|
|
|
return -1;
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_s->drv_priv = wpa_drv_init(wpa_s, wpa_s->ifname);
|
|
|
|
if (wpa_s->drv_priv == NULL) {
|
2009-02-14 15:43:43 +01:00
|
|
|
const char *pos;
|
2009-12-23 22:16:21 +01:00
|
|
|
pos = driver ? os_strchr(driver, ',') : NULL;
|
2009-02-14 15:43:43 +01:00
|
|
|
if (pos) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize "
|
|
|
|
"driver interface - try next driver wrapper");
|
2009-02-14 15:43:43 +01:00
|
|
|
driver = pos + 1;
|
|
|
|
goto next_driver;
|
|
|
|
}
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Failed to initialize driver "
|
|
|
|
"interface");
|
2008-02-28 02:34:43 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if (wpa_drv_set_param(wpa_s, wpa_s->conf->driver_param) < 0) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Driver interface rejected "
|
|
|
|
"driver_param '%s'", wpa_s->conf->driver_param);
|
2008-02-28 02:34:43 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ifname = wpa_drv_get_ifname(wpa_s);
|
|
|
|
if (ifname && os_strcmp(ifname, wpa_s->ifname) != 0) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Driver interface replaced "
|
|
|
|
"interface name with '%s'", ifname);
|
2008-02-28 02:34:43 +01:00
|
|
|
os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (wpa_supplicant_init_wpa(wpa_s) < 0)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
wpa_sm_set_ifname(wpa_s->wpa, wpa_s->ifname,
|
|
|
|
wpa_s->bridge_ifname[0] ? wpa_s->bridge_ifname :
|
|
|
|
NULL);
|
|
|
|
wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth);
|
|
|
|
|
|
|
|
if (wpa_s->conf->dot11RSNAConfigPMKLifetime &&
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
|
|
|
|
wpa_s->conf->dot11RSNAConfigPMKLifetime)) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for "
|
|
|
|
"dot11RSNAConfigPMKLifetime");
|
2008-02-28 02:34:43 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (wpa_s->conf->dot11RSNAConfigPMKReauthThreshold &&
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
|
|
|
|
wpa_s->conf->dot11RSNAConfigPMKReauthThreshold)) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for "
|
2008-02-28 02:34:43 +01:00
|
|
|
"dot11RSNAConfigPMKReauthThreshold");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (wpa_s->conf->dot11RSNAConfigSATimeout &&
|
|
|
|
wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT,
|
|
|
|
wpa_s->conf->dot11RSNAConfigSATimeout)) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for "
|
|
|
|
"dot11RSNAConfigSATimeout");
|
2008-02-28 02:34:43 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2011-10-23 10:58:54 +02:00
|
|
|
wpa_s->hw.modes = wpa_drv_get_hw_feature_data(wpa_s,
|
|
|
|
&wpa_s->hw.num_modes,
|
|
|
|
&wpa_s->hw.flags);
|
|
|
|
|
2010-04-11 18:42:37 +02:00
|
|
|
if (wpa_drv_get_capa(wpa_s, &capa) == 0) {
|
2011-09-26 12:55:25 +02:00
|
|
|
wpa_s->drv_capa_known = 1;
|
2010-04-11 18:42:37 +02:00
|
|
|
wpa_s->drv_flags = capa.flags;
|
|
|
|
wpa_s->max_scan_ssids = capa.max_scan_ssids;
|
2011-09-27 21:21:29 +02:00
|
|
|
wpa_s->max_sched_scan_ssids = capa.max_sched_scan_ssids;
|
|
|
|
wpa_s->sched_scan_supported = capa.sched_scan_supported;
|
2011-09-27 21:21:35 +02:00
|
|
|
wpa_s->max_match_sets = capa.max_match_sets;
|
2010-04-11 18:42:37 +02:00
|
|
|
wpa_s->max_remain_on_chan = capa.max_remain_on_chan;
|
2010-07-30 00:32:33 +02:00
|
|
|
wpa_s->max_stations = capa.max_stations;
|
2010-04-11 18:42:37 +02:00
|
|
|
}
|
|
|
|
if (wpa_s->max_remain_on_chan == 0)
|
|
|
|
wpa_s->max_remain_on_chan = 1000;
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
if (wpa_supplicant_driver_init(wpa_s) < 0)
|
|
|
|
return -1;
|
|
|
|
|
2010-10-07 09:26:56 +02:00
|
|
|
#ifdef CONFIG_TDLS
|
|
|
|
if (wpa_tdls_init(wpa_s->wpa))
|
|
|
|
return -1;
|
|
|
|
#endif /* CONFIG_TDLS */
|
|
|
|
|
2008-12-09 21:15:47 +01:00
|
|
|
if (wpa_s->conf->country[0] && wpa_s->conf->country[1] &&
|
|
|
|
wpa_drv_set_country(wpa_s, wpa_s->conf->country)) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Failed to set country");
|
2008-12-09 21:11:14 +01:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr);
|
|
|
|
|
2008-11-28 19:32:13 +01:00
|
|
|
if (wpas_wps_init(wpa_s))
|
|
|
|
return -1;
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
if (wpa_supplicant_init_eapol(wpa_s) < 0)
|
|
|
|
return -1;
|
|
|
|
wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol);
|
|
|
|
|
|
|
|
wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s);
|
|
|
|
if (wpa_s->ctrl_iface == NULL) {
|
|
|
|
wpa_printf(MSG_ERROR,
|
|
|
|
"Failed to initialize control interface '%s'.\n"
|
|
|
|
"You may have another wpa_supplicant process "
|
|
|
|
"already running or the file was\n"
|
|
|
|
"left by an unclean termination of wpa_supplicant "
|
|
|
|
"in which case you will need\n"
|
|
|
|
"to manually remove this file before starting "
|
|
|
|
"wpa_supplicant again.\n",
|
|
|
|
wpa_s->conf->ctrl_interface);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2011-09-28 18:44:25 +02:00
|
|
|
wpa_s->gas = gas_query_init(wpa_s);
|
|
|
|
if (wpa_s->gas == NULL) {
|
|
|
|
wpa_printf(MSG_ERROR, "Failed to initialize GAS query");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-07-18 23:30:25 +02:00
|
|
|
#ifdef CONFIG_P2P
|
|
|
|
if (wpas_p2p_init(wpa_s->global, wpa_s) < 0) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Failed to init P2P");
|
2010-07-18 23:30:25 +02:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_P2P */
|
|
|
|
|
2009-12-27 20:07:47 +01:00
|
|
|
if (wpa_bss_init(wpa_s) < 0)
|
|
|
|
return -1;
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-12-26 12:45:07 +01:00
|
|
|
static void wpa_supplicant_deinit_iface(struct wpa_supplicant *wpa_s,
|
|
|
|
int notify)
|
2008-02-28 02:34:43 +01:00
|
|
|
{
|
|
|
|
if (wpa_s->drv_priv) {
|
|
|
|
wpa_supplicant_deauthenticate(wpa_s,
|
|
|
|
WLAN_REASON_DEAUTH_LEAVING);
|
|
|
|
|
|
|
|
wpa_drv_set_countermeasures(wpa_s, 0);
|
|
|
|
wpa_clear_keys(wpa_s, NULL);
|
|
|
|
}
|
|
|
|
|
2009-12-29 21:17:18 +01:00
|
|
|
wpa_supplicant_cleanup(wpa_s);
|
|
|
|
|
2009-12-26 12:45:07 +01:00
|
|
|
if (notify)
|
|
|
|
wpas_notify_iface_removed(wpa_s);
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
if (wpa_s->drv_priv)
|
|
|
|
wpa_drv_deinit(wpa_s);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_add_iface - Add a new network interface
|
|
|
|
* @global: Pointer to global data from wpa_supplicant_init()
|
|
|
|
* @iface: Interface configuration options
|
|
|
|
* Returns: Pointer to the created interface or %NULL on failure
|
|
|
|
*
|
|
|
|
* This function is used to add new network interfaces for %wpa_supplicant.
|
|
|
|
* This can be called before wpa_supplicant_run() to add interfaces before the
|
|
|
|
* main event loop has been started. In addition, new interfaces can be added
|
|
|
|
* dynamically while %wpa_supplicant is already running. This could happen,
|
|
|
|
* e.g., when a hotplug network adapter is inserted.
|
|
|
|
*/
|
|
|
|
struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
|
|
|
|
struct wpa_interface *iface)
|
|
|
|
{
|
|
|
|
struct wpa_supplicant *wpa_s;
|
2009-11-04 19:16:15 +01:00
|
|
|
struct wpa_interface t_iface;
|
2009-12-29 21:17:18 +01:00
|
|
|
struct wpa_ssid *ssid;
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
if (global == NULL || iface == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
wpa_s = wpa_supplicant_alloc();
|
|
|
|
if (wpa_s == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
2009-12-02 15:43:09 +01:00
|
|
|
wpa_s->global = global;
|
|
|
|
|
2009-11-04 19:16:15 +01:00
|
|
|
t_iface = *iface;
|
|
|
|
if (global->params.override_driver) {
|
|
|
|
wpa_printf(MSG_DEBUG, "Override interface parameter: driver "
|
|
|
|
"('%s' -> '%s')",
|
|
|
|
iface->driver, global->params.override_driver);
|
|
|
|
t_iface.driver = global->params.override_driver;
|
|
|
|
}
|
|
|
|
if (global->params.override_ctrl_interface) {
|
|
|
|
wpa_printf(MSG_DEBUG, "Override interface parameter: "
|
|
|
|
"ctrl_interface ('%s' -> '%s')",
|
|
|
|
iface->ctrl_interface,
|
|
|
|
global->params.override_ctrl_interface);
|
|
|
|
t_iface.ctrl_interface =
|
|
|
|
global->params.override_ctrl_interface;
|
|
|
|
}
|
|
|
|
if (wpa_supplicant_init_iface(wpa_s, &t_iface)) {
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_printf(MSG_DEBUG, "Failed to add interface %s",
|
|
|
|
iface->ifname);
|
2009-12-26 12:45:07 +01:00
|
|
|
wpa_supplicant_deinit_iface(wpa_s, 0);
|
2008-02-28 02:34:43 +01:00
|
|
|
os_free(wpa_s);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2009-10-15 20:15:10 +02:00
|
|
|
/* Notify the control interfaces about new iface */
|
|
|
|
if (wpas_notify_iface_added(wpa_s)) {
|
2009-12-26 12:45:07 +01:00
|
|
|
wpa_supplicant_deinit_iface(wpa_s, 1);
|
2008-02-28 02:34:43 +01:00
|
|
|
os_free(wpa_s);
|
|
|
|
return NULL;
|
|
|
|
}
|
2009-09-13 19:27:54 +02:00
|
|
|
|
2009-12-29 21:17:18 +01:00
|
|
|
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
|
|
|
|
wpas_notify_network_added(wpa_s, ssid);
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_s->next = global->ifaces;
|
|
|
|
global->ifaces = wpa_s;
|
|
|
|
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Added interface %s", wpa_s->ifname);
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
return wpa_s;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_remove_iface - Remove a network interface
|
|
|
|
* @global: Pointer to global data from wpa_supplicant_init()
|
|
|
|
* @wpa_s: Pointer to the network interface to be removed
|
|
|
|
* Returns: 0 if interface was removed, -1 if interface was not found
|
|
|
|
*
|
|
|
|
* This function can be used to dynamically remove network interfaces from
|
|
|
|
* %wpa_supplicant, e.g., when a hotplug network adapter is ejected. In
|
|
|
|
* addition, this function is used to remove all remaining interfaces when
|
|
|
|
* %wpa_supplicant is terminated.
|
|
|
|
*/
|
|
|
|
int wpa_supplicant_remove_iface(struct wpa_global *global,
|
|
|
|
struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
struct wpa_supplicant *prev;
|
|
|
|
|
|
|
|
/* Remove interface from the global list of interfaces */
|
|
|
|
prev = global->ifaces;
|
|
|
|
if (prev == wpa_s) {
|
|
|
|
global->ifaces = wpa_s->next;
|
|
|
|
} else {
|
|
|
|
while (prev && prev->next != wpa_s)
|
|
|
|
prev = prev->next;
|
|
|
|
if (prev == NULL)
|
|
|
|
return -1;
|
|
|
|
prev->next = wpa_s->next;
|
|
|
|
}
|
|
|
|
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Removing interface %s", wpa_s->ifname);
|
2008-02-28 02:34:43 +01:00
|
|
|
|
2010-07-18 23:30:25 +02:00
|
|
|
if (global->p2p_group_formation == wpa_s)
|
|
|
|
global->p2p_group_formation = NULL;
|
2009-12-26 12:45:07 +01:00
|
|
|
wpa_supplicant_deinit_iface(wpa_s, 1);
|
2008-02-28 02:34:43 +01:00
|
|
|
os_free(wpa_s);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2011-03-15 12:53:08 +01:00
|
|
|
/**
|
|
|
|
* wpa_supplicant_get_eap_mode - Get the current EAP mode
|
|
|
|
* @wpa_s: Pointer to the network interface
|
|
|
|
* Returns: Pointer to the eap mode or the string "UNKNOWN" if not found
|
|
|
|
*/
|
|
|
|
const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
const char *eapol_method;
|
|
|
|
|
|
|
|
if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) == 0 &&
|
|
|
|
wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
|
|
|
|
return "NO-EAP";
|
|
|
|
}
|
|
|
|
|
|
|
|
eapol_method = eapol_sm_get_method_name(wpa_s->eapol);
|
|
|
|
if (eapol_method == NULL)
|
|
|
|
return "UNKNOWN-EAP";
|
|
|
|
|
|
|
|
return eapol_method;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
/**
|
|
|
|
* wpa_supplicant_get_iface - Get a new network interface
|
|
|
|
* @global: Pointer to global data from wpa_supplicant_init()
|
|
|
|
* @ifname: Interface name
|
|
|
|
* Returns: Pointer to the interface or %NULL if not found
|
|
|
|
*/
|
|
|
|
struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
|
|
|
|
const char *ifname)
|
|
|
|
{
|
|
|
|
struct wpa_supplicant *wpa_s;
|
|
|
|
|
|
|
|
for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
|
|
|
|
if (os_strcmp(wpa_s->ifname, ifname) == 0)
|
|
|
|
return wpa_s;
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2011-02-10 19:24:06 +01:00
|
|
|
#ifndef CONFIG_NO_WPA_MSG
|
2011-02-06 19:39:34 +01:00
|
|
|
static const char * wpa_supplicant_msg_ifname_cb(void *ctx)
|
|
|
|
{
|
|
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
if (wpa_s == NULL)
|
|
|
|
return NULL;
|
|
|
|
return wpa_s->ifname;
|
|
|
|
}
|
2011-02-10 19:24:06 +01:00
|
|
|
#endif /* CONFIG_NO_WPA_MSG */
|
2011-02-06 19:39:34 +01:00
|
|
|
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
/**
|
|
|
|
* wpa_supplicant_init - Initialize %wpa_supplicant
|
|
|
|
* @params: Parameters for %wpa_supplicant
|
|
|
|
* Returns: Pointer to global %wpa_supplicant data, or %NULL on failure
|
|
|
|
*
|
|
|
|
* This function is used to initialize %wpa_supplicant. After successful
|
|
|
|
* initialization, the returned data pointer can be used to add and remove
|
|
|
|
* network interfaces, and eventually, to deinitialize %wpa_supplicant.
|
|
|
|
*/
|
|
|
|
struct wpa_global * wpa_supplicant_init(struct wpa_params *params)
|
|
|
|
{
|
|
|
|
struct wpa_global *global;
|
2008-12-22 21:24:31 +01:00
|
|
|
int ret, i;
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
if (params == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
2011-02-10 19:24:06 +01:00
|
|
|
#ifndef CONFIG_NO_WPA_MSG
|
2011-02-06 19:39:34 +01:00
|
|
|
wpa_msg_register_ifname_cb(wpa_supplicant_msg_ifname_cb);
|
2011-02-10 19:24:06 +01:00
|
|
|
#endif /* CONFIG_NO_WPA_MSG */
|
2011-02-06 19:39:34 +01:00
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_debug_open_file(params->wpa_debug_file_path);
|
2009-03-02 20:40:44 +01:00
|
|
|
if (params->wpa_debug_syslog)
|
|
|
|
wpa_debug_open_syslog();
|
2008-02-28 02:34:43 +01:00
|
|
|
|
2009-12-06 10:28:41 +01:00
|
|
|
ret = eap_register_methods();
|
2008-02-28 02:34:43 +01:00
|
|
|
if (ret) {
|
|
|
|
wpa_printf(MSG_ERROR, "Failed to register EAP methods");
|
|
|
|
if (ret == -2)
|
|
|
|
wpa_printf(MSG_ERROR, "Two or more EAP methods used "
|
|
|
|
"the same EAP type.");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
global = os_zalloc(sizeof(*global));
|
|
|
|
if (global == NULL)
|
|
|
|
return NULL;
|
2010-07-18 23:30:25 +02:00
|
|
|
dl_list_init(&global->p2p_srv_bonjour);
|
|
|
|
dl_list_init(&global->p2p_srv_upnp);
|
2008-02-28 02:34:43 +01:00
|
|
|
global->params.daemonize = params->daemonize;
|
|
|
|
global->params.wait_for_monitor = params->wait_for_monitor;
|
|
|
|
global->params.dbus_ctrl_interface = params->dbus_ctrl_interface;
|
|
|
|
if (params->pid_file)
|
|
|
|
global->params.pid_file = os_strdup(params->pid_file);
|
|
|
|
if (params->ctrl_interface)
|
|
|
|
global->params.ctrl_interface =
|
|
|
|
os_strdup(params->ctrl_interface);
|
2009-11-04 19:16:15 +01:00
|
|
|
if (params->override_driver)
|
|
|
|
global->params.override_driver =
|
|
|
|
os_strdup(params->override_driver);
|
|
|
|
if (params->override_ctrl_interface)
|
|
|
|
global->params.override_ctrl_interface =
|
|
|
|
os_strdup(params->override_ctrl_interface);
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_debug_level = global->params.wpa_debug_level =
|
|
|
|
params->wpa_debug_level;
|
|
|
|
wpa_debug_show_keys = global->params.wpa_debug_show_keys =
|
|
|
|
params->wpa_debug_show_keys;
|
|
|
|
wpa_debug_timestamp = global->params.wpa_debug_timestamp =
|
|
|
|
params->wpa_debug_timestamp;
|
|
|
|
|
2010-10-22 10:50:34 +02:00
|
|
|
wpa_printf(MSG_DEBUG, "wpa_supplicant v" VERSION_STR);
|
|
|
|
|
2009-12-19 18:22:16 +01:00
|
|
|
if (eloop_init()) {
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_printf(MSG_ERROR, "Failed to initialize event loop");
|
|
|
|
wpa_supplicant_deinit(global);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2011-05-31 19:07:11 +02:00
|
|
|
random_init(params->entropy_file);
|
2011-03-22 22:15:00 +01:00
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
global->ctrl_iface = wpa_supplicant_global_ctrl_iface_init(global);
|
|
|
|
if (global->ctrl_iface == NULL) {
|
|
|
|
wpa_supplicant_deinit(global);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2009-10-15 20:15:10 +02:00
|
|
|
if (wpas_notify_supplicant_initialized(global)) {
|
|
|
|
wpa_supplicant_deinit(global);
|
|
|
|
return NULL;
|
2008-02-28 02:34:43 +01:00
|
|
|
}
|
|
|
|
|
2009-04-09 12:40:12 +02:00
|
|
|
for (i = 0; wpa_drivers[i]; i++)
|
2008-12-22 21:24:31 +01:00
|
|
|
global->drv_count++;
|
|
|
|
if (global->drv_count == 0) {
|
|
|
|
wpa_printf(MSG_ERROR, "No drivers enabled");
|
|
|
|
wpa_supplicant_deinit(global);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
global->drv_priv = os_zalloc(global->drv_count * sizeof(void *));
|
|
|
|
if (global->drv_priv == NULL) {
|
|
|
|
wpa_supplicant_deinit(global);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
return global;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_run - Run the %wpa_supplicant main event loop
|
|
|
|
* @global: Pointer to global data from wpa_supplicant_init()
|
|
|
|
* Returns: 0 after successful event loop run, -1 on failure
|
|
|
|
*
|
|
|
|
* This function starts the main event loop and continues running as long as
|
|
|
|
* there are any remaining events. In most cases, this function is running as
|
|
|
|
* long as the %wpa_supplicant process in still in use.
|
|
|
|
*/
|
|
|
|
int wpa_supplicant_run(struct wpa_global *global)
|
|
|
|
{
|
|
|
|
struct wpa_supplicant *wpa_s;
|
|
|
|
|
|
|
|
if (global->params.daemonize &&
|
|
|
|
wpa_supplicant_daemon(global->params.pid_file))
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
if (global->params.wait_for_monitor) {
|
|
|
|
for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
|
|
|
|
if (wpa_s->ctrl_iface)
|
|
|
|
wpa_supplicant_ctrl_iface_wait(
|
|
|
|
wpa_s->ctrl_iface);
|
|
|
|
}
|
|
|
|
|
2009-12-19 18:22:16 +01:00
|
|
|
eloop_register_signal_terminate(wpa_supplicant_terminate, global);
|
|
|
|
eloop_register_signal_reconfig(wpa_supplicant_reconfig, global);
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
eloop_run();
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* wpa_supplicant_deinit - Deinitialize %wpa_supplicant
|
|
|
|
* @global: Pointer to global data from wpa_supplicant_init()
|
|
|
|
*
|
|
|
|
* This function is called to deinitialize %wpa_supplicant and to free all
|
|
|
|
* allocated resources. Remaining network interfaces will also be removed.
|
|
|
|
*/
|
|
|
|
void wpa_supplicant_deinit(struct wpa_global *global)
|
|
|
|
{
|
2008-12-22 21:24:31 +01:00
|
|
|
int i;
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
if (global == NULL)
|
|
|
|
return;
|
|
|
|
|
2010-07-18 23:30:25 +02:00
|
|
|
#ifdef CONFIG_P2P
|
|
|
|
wpas_p2p_deinit_global(global);
|
|
|
|
#endif /* CONFIG_P2P */
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
while (global->ifaces)
|
|
|
|
wpa_supplicant_remove_iface(global, global->ifaces);
|
|
|
|
|
|
|
|
if (global->ctrl_iface)
|
|
|
|
wpa_supplicant_global_ctrl_iface_deinit(global->ctrl_iface);
|
2009-10-15 20:15:10 +02:00
|
|
|
|
|
|
|
wpas_notify_supplicant_deinitialized(global);
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
eap_peer_unregister_methods();
|
2009-04-21 15:45:16 +02:00
|
|
|
#ifdef CONFIG_AP
|
|
|
|
eap_server_unregister_methods();
|
|
|
|
#endif /* CONFIG_AP */
|
2008-02-28 02:34:43 +01:00
|
|
|
|
2009-04-09 12:40:12 +02:00
|
|
|
for (i = 0; wpa_drivers[i] && global->drv_priv; i++) {
|
2008-12-22 21:24:31 +01:00
|
|
|
if (!global->drv_priv[i])
|
|
|
|
continue;
|
2009-04-09 12:40:12 +02:00
|
|
|
wpa_drivers[i]->global_deinit(global->drv_priv[i]);
|
2008-12-22 21:24:31 +01:00
|
|
|
}
|
|
|
|
os_free(global->drv_priv);
|
|
|
|
|
2011-03-22 22:15:00 +01:00
|
|
|
random_deinit();
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
eloop_destroy();
|
|
|
|
|
|
|
|
if (global->params.pid_file) {
|
|
|
|
os_daemonize_terminate(global->params.pid_file);
|
|
|
|
os_free(global->params.pid_file);
|
|
|
|
}
|
|
|
|
os_free(global->params.ctrl_interface);
|
2009-11-04 19:16:15 +01:00
|
|
|
os_free(global->params.override_driver);
|
|
|
|
os_free(global->params.override_ctrl_interface);
|
2008-02-28 02:34:43 +01:00
|
|
|
|
|
|
|
os_free(global);
|
2009-03-02 20:40:44 +01:00
|
|
|
wpa_debug_close_syslog();
|
2008-02-28 02:34:43 +01:00
|
|
|
wpa_debug_close_file();
|
|
|
|
}
|
2010-07-18 23:30:24 +02:00
|
|
|
|
|
|
|
|
|
|
|
void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
2011-04-15 16:00:01 +02:00
|
|
|
if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
|
|
|
|
wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
|
|
|
|
char country[3];
|
|
|
|
country[0] = wpa_s->conf->country[0];
|
|
|
|
country[1] = wpa_s->conf->country[1];
|
|
|
|
country[2] = '\0';
|
|
|
|
if (wpa_drv_set_country(wpa_s, country) < 0) {
|
|
|
|
wpa_printf(MSG_ERROR, "Failed to set country code "
|
|
|
|
"'%s'", country);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-07-18 23:30:24 +02:00
|
|
|
#ifdef CONFIG_WPS
|
|
|
|
wpas_wps_update_config(wpa_s);
|
|
|
|
#endif /* CONFIG_WPS */
|
|
|
|
|
2010-07-18 23:30:25 +02:00
|
|
|
#ifdef CONFIG_P2P
|
|
|
|
wpas_p2p_update_config(wpa_s);
|
|
|
|
#endif /* CONFIG_P2P */
|
|
|
|
|
2010-07-18 23:30:24 +02:00
|
|
|
wpa_s->conf->changed_parameters = 0;
|
|
|
|
}
|
2010-10-27 10:26:46 +02:00
|
|
|
|
|
|
|
|
2010-11-26 10:36:03 +01:00
|
|
|
static void add_freq(int *freqs, int *num_freqs, int freq)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < *num_freqs; i++) {
|
|
|
|
if (freqs[i] == freq)
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
freqs[*num_freqs] = freq;
|
|
|
|
(*num_freqs)++;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int * get_bss_freqs_in_ess(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
struct wpa_bss *bss, *cbss;
|
|
|
|
const int max_freqs = 10;
|
|
|
|
int *freqs;
|
|
|
|
int num_freqs = 0;
|
|
|
|
|
|
|
|
freqs = os_zalloc(sizeof(int) * (max_freqs + 1));
|
|
|
|
if (freqs == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
cbss = wpa_s->current_bss;
|
|
|
|
|
|
|
|
dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
|
|
|
|
if (bss == cbss)
|
|
|
|
continue;
|
|
|
|
if (bss->ssid_len == cbss->ssid_len &&
|
|
|
|
os_memcmp(bss->ssid, cbss->ssid, bss->ssid_len) == 0 &&
|
|
|
|
wpa_blacklist_get(wpa_s, bss->bssid) == NULL) {
|
|
|
|
add_freq(freqs, &num_freqs, bss->freq);
|
|
|
|
if (num_freqs == max_freqs)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (num_freqs == 0) {
|
|
|
|
os_free(freqs);
|
|
|
|
freqs = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return freqs;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid)
|
|
|
|
{
|
|
|
|
int timeout;
|
|
|
|
int count;
|
|
|
|
int *freqs = NULL;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Add the failed BSSID into the blacklist and speed up next scan
|
|
|
|
* attempt if there could be other APs that could accept association.
|
|
|
|
* The current blacklist count indicates how many times we have tried
|
|
|
|
* connecting to this AP and multiple attempts mean that other APs are
|
|
|
|
* either not available or has already been tried, so that we can start
|
|
|
|
* increasing the delay here to avoid constant scanning.
|
|
|
|
*/
|
|
|
|
count = wpa_blacklist_add(wpa_s, bssid);
|
|
|
|
if (count == 1 && wpa_s->current_bss) {
|
|
|
|
/*
|
|
|
|
* This BSS was not in the blacklist before. If there is
|
|
|
|
* another BSS available for the same ESS, we should try that
|
|
|
|
* next. Otherwise, we may as well try this one once more
|
|
|
|
* before allowing other, likely worse, ESSes to be considered.
|
|
|
|
*/
|
|
|
|
freqs = get_bss_freqs_in_ess(wpa_s);
|
|
|
|
if (freqs) {
|
2011-02-10 19:14:46 +01:00
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Another BSS in this ESS "
|
|
|
|
"has been seen; try it next");
|
2010-11-26 10:36:03 +01:00
|
|
|
wpa_blacklist_add(wpa_s, bssid);
|
|
|
|
/*
|
|
|
|
* On the next scan, go through only the known channels
|
|
|
|
* used in this ESS based on previous scans to speed up
|
|
|
|
* common load balancing use case.
|
|
|
|
*/
|
|
|
|
os_free(wpa_s->next_scan_freqs);
|
|
|
|
wpa_s->next_scan_freqs = freqs;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (count) {
|
|
|
|
case 1:
|
|
|
|
timeout = 100;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
timeout = 500;
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
timeout = 1000;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
timeout = 5000;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* TODO: if more than one possible AP is available in scan results,
|
|
|
|
* could try the other ones before requesting a new scan.
|
|
|
|
*/
|
|
|
|
wpa_supplicant_req_scan(wpa_s, timeout / 1000,
|
|
|
|
1000 * (timeout % 1000));
|
|
|
|
}
|
2011-09-26 13:57:23 +02:00
|
|
|
|
|
|
|
|
|
|
|
int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
return wpa_s->conf->ap_scan == 2 ||
|
|
|
|
(wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION);
|
|
|
|
}
|