![Jouni Malinen](/assets/img/avatar_default.png)
This used to work, but it looks like the disabled-PSK-network check ended up rejecting confiurations that configured a wildcard SSID with a passphrase (instead of PSK). Signed-off-by: Jouni Malinen <j@w1.fi>
4611 lines
127 KiB
C
4611 lines
127 KiB
C
/*
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* WPA Supplicant
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* Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README 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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#include "crypto/random.h"
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#include "crypto/sha1.h"
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#include "eapol_supp/eapol_supp_sm.h"
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#include "eap_peer/eap.h"
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#include "eap_peer/eap_proxy.h"
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#include "eap_server/eap_methods.h"
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#include "rsn_supp/wpa.h"
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#include "eloop.h"
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#include "config.h"
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#include "utils/ext_password.h"
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#include "l2_packet/l2_packet.h"
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#include "wpa_supplicant_i.h"
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#include "driver_i.h"
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#include "ctrl_iface.h"
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#include "pcsc_funcs.h"
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#include "common/version.h"
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#include "rsn_supp/preauth.h"
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#include "rsn_supp/pmksa_cache.h"
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#include "common/wpa_ctrl.h"
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#include "common/ieee802_11_defs.h"
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#include "p2p/p2p.h"
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#include "blacklist.h"
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#include "wpas_glue.h"
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#include "wps_supplicant.h"
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#include "ibss_rsn.h"
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#include "sme.h"
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#include "gas_query.h"
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#include "ap.h"
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#include "p2p_supplicant.h"
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#include "wifi_display.h"
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#include "notify.h"
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#include "bgscan.h"
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#include "autoscan.h"
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#include "bss.h"
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#include "scan.h"
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#include "offchannel.h"
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#include "hs20_supplicant.h"
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#include "wnm_sta.h"
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const char *wpa_supplicant_version =
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"wpa_supplicant v" VERSION_STR "\n"
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"Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi> and contributors";
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const char *wpa_supplicant_license =
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"This software may be distributed under the terms of the BSD license.\n"
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"See README 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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"";
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const char *wpa_supplicant_full_license2 =
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"This software may be distributed under the terms of the 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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/* Configure default/group WEP keys for static WEP */
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int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
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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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wpa_drv_set_key(wpa_s, WPA_ALG_WEP, NULL,
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i, i == ssid->wep_tx_keyidx, NULL, 0,
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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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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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enum wpa_alg alg;
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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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if (ssid->mode != WPAS_MODE_IBSS) {
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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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return -1;
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}
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if (!ssid->psk_set) {
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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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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_GCMP:
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os_memcpy(key, ssid->psk, 16);
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keylen = 16;
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alg = WPA_ALG_GCMP;
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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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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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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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return wpa_drv_set_key(wpa_s, alg, NULL, 0, 1, seq, 6, key, keylen);
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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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if (is_zero_ether_addr(bssid))
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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_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
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wpa_s->reassociate = 1;
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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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}
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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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if (wpa_s->conf->ap_scan == 0 &&
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(wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED))
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return;
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wpa_dbg(wpa_s, MSG_DEBUG, "Setting authentication timeout: %d sec "
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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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wpa_dbg(wpa_s, MSG_DEBUG, "Cancelling authentication timeout");
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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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#ifdef CONFIG_IBSS_RSN
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if (ssid->mode == WPAS_MODE_IBSS &&
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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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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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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);
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os_memset(&eapol_conf, 0, sizeof(eapol_conf));
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if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
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eapol_conf.accept_802_1x_keys = 1;
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eapol_conf.required_keys = 0;
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if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_UNICAST) {
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eapol_conf.required_keys |= EAPOL_REQUIRE_KEY_UNICAST;
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}
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if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_BROADCAST) {
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eapol_conf.required_keys |=
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EAPOL_REQUIRE_KEY_BROADCAST;
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}
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if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED)
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eapol_conf.required_keys = 0;
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}
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eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
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eapol_conf.workaround = ssid->eap_workaround;
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eapol_conf.eap_disabled =
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!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) &&
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wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
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wpa_s->key_mgmt != WPA_KEY_MGMT_WPS;
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eapol_conf.external_sim = wpa_s->conf->external_sim;
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eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
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#endif /* IEEE8021X_EAPOL */
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}
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/**
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* wpa_supplicant_set_non_wpa_policy - Set WPA parameters to non-WPA mode
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* @wpa_s: Pointer to wpa_supplicant data
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* @ssid: Configuration data for the network
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*
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* This function is used to configure WPA state machine and related parameters
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* to a mode where WPA is not enabled. This is called as part of the
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* authentication configuration when the selected network does not use WPA.
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*/
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void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
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struct wpa_ssid *ssid)
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{
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int i;
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if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
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wpa_s->key_mgmt = WPA_KEY_MGMT_WPS;
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else if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)
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wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA;
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else
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wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
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wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
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wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
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wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
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wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
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wpa_s->group_cipher = WPA_CIPHER_NONE;
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wpa_s->mgmt_group_cipher = 0;
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for (i = 0; i < NUM_WEP_KEYS; i++) {
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if (ssid->wep_key_len[i] > 5) {
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wpa_s->pairwise_cipher = WPA_CIPHER_WEP104;
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wpa_s->group_cipher = WPA_CIPHER_WEP104;
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break;
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} else if (ssid->wep_key_len[i] > 0) {
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wpa_s->pairwise_cipher = WPA_CIPHER_WEP40;
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wpa_s->group_cipher = WPA_CIPHER_WEP40;
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break;
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}
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}
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wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, 0);
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wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt);
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wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE,
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wpa_s->pairwise_cipher);
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wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher);
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#ifdef CONFIG_IEEE80211W
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wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP,
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wpa_s->mgmt_group_cipher);
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#endif /* CONFIG_IEEE80211W */
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pmksa_cache_clear_current(wpa_s->wpa);
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}
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void free_hw_features(struct wpa_supplicant *wpa_s)
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{
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int i;
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if (wpa_s->hw.modes == NULL)
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return;
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for (i = 0; i < wpa_s->hw.num_modes; i++) {
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os_free(wpa_s->hw.modes[i].channels);
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os_free(wpa_s->hw.modes[i].rates);
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}
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os_free(wpa_s->hw.modes);
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wpa_s->hw.modes = NULL;
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}
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static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s)
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{
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bgscan_deinit(wpa_s);
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autoscan_deinit(wpa_s);
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scard_deinit(wpa_s->scard);
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wpa_s->scard = NULL;
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wpa_sm_set_scard_ctx(wpa_s->wpa, NULL);
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eapol_sm_register_scard_ctx(wpa_s->eapol, NULL);
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l2_packet_deinit(wpa_s->l2);
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wpa_s->l2 = NULL;
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if (wpa_s->l2_br) {
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l2_packet_deinit(wpa_s->l2_br);
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wpa_s->l2_br = NULL;
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}
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if (wpa_s->conf != NULL) {
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struct wpa_ssid *ssid;
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for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
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wpas_notify_network_removed(wpa_s, ssid);
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}
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os_free(wpa_s->confname);
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wpa_s->confname = NULL;
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os_free(wpa_s->confanother);
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wpa_s->confanother = NULL;
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#ifdef CONFIG_P2P
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os_free(wpa_s->conf_p2p_dev);
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wpa_s->conf_p2p_dev = NULL;
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#endif /* CONFIG_P2P */
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wpa_sm_set_eapol(wpa_s->wpa, NULL);
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eapol_sm_deinit(wpa_s->eapol);
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wpa_s->eapol = NULL;
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rsn_preauth_deinit(wpa_s->wpa);
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#ifdef CONFIG_TDLS
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wpa_tdls_deinit(wpa_s->wpa);
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#endif /* CONFIG_TDLS */
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pmksa_candidate_free(wpa_s->wpa);
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wpa_sm_deinit(wpa_s->wpa);
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wpa_s->wpa = NULL;
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wpa_blacklist_clear(wpa_s);
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wpa_bss_deinit(wpa_s);
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wpa_supplicant_cancel_delayed_sched_scan(wpa_s);
|
|
wpa_supplicant_cancel_scan(wpa_s);
|
|
wpa_supplicant_cancel_auth_timeout(wpa_s);
|
|
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 */
|
|
|
|
wpas_wps_deinit(wpa_s);
|
|
|
|
wpabuf_free(wpa_s->pending_eapol_rx);
|
|
wpa_s->pending_eapol_rx = NULL;
|
|
|
|
#ifdef CONFIG_IBSS_RSN
|
|
ibss_rsn_deinit(wpa_s->ibss_rsn);
|
|
wpa_s->ibss_rsn = NULL;
|
|
#endif /* CONFIG_IBSS_RSN */
|
|
|
|
sme_deinit(wpa_s);
|
|
|
|
#ifdef CONFIG_AP
|
|
wpa_supplicant_ap_deinit(wpa_s);
|
|
#endif /* CONFIG_AP */
|
|
|
|
#ifdef CONFIG_P2P
|
|
wpas_p2p_deinit(wpa_s);
|
|
#endif /* CONFIG_P2P */
|
|
|
|
#ifdef CONFIG_OFFCHANNEL
|
|
offchannel_deinit(wpa_s);
|
|
#endif /* CONFIG_OFFCHANNEL */
|
|
|
|
wpa_supplicant_cancel_sched_scan(wpa_s);
|
|
|
|
os_free(wpa_s->next_scan_freqs);
|
|
wpa_s->next_scan_freqs = NULL;
|
|
|
|
os_free(wpa_s->manual_scan_freqs);
|
|
wpa_s->manual_scan_freqs = NULL;
|
|
|
|
os_free(wpa_s->manual_sched_scan_freqs);
|
|
wpa_s->manual_sched_scan_freqs = NULL;
|
|
|
|
gas_query_deinit(wpa_s->gas);
|
|
wpa_s->gas = NULL;
|
|
|
|
free_hw_features(wpa_s);
|
|
|
|
os_free(wpa_s->bssid_filter);
|
|
wpa_s->bssid_filter = NULL;
|
|
|
|
os_free(wpa_s->disallow_aps_bssid);
|
|
wpa_s->disallow_aps_bssid = NULL;
|
|
os_free(wpa_s->disallow_aps_ssid);
|
|
wpa_s->disallow_aps_ssid = NULL;
|
|
|
|
wnm_bss_keep_alive_deinit(wpa_s);
|
|
#ifdef CONFIG_WNM
|
|
wnm_deallocate_memory(wpa_s);
|
|
#endif /* CONFIG_WNM */
|
|
|
|
ext_password_deinit(wpa_s->ext_pw);
|
|
wpa_s->ext_pw = NULL;
|
|
|
|
wpabuf_free(wpa_s->last_gas_resp);
|
|
wpa_s->last_gas_resp = NULL;
|
|
wpabuf_free(wpa_s->prev_gas_resp);
|
|
wpa_s->prev_gas_resp = NULL;
|
|
|
|
os_free(wpa_s->last_scan_res);
|
|
wpa_s->last_scan_res = NULL;
|
|
|
|
#ifdef CONFIG_HS20
|
|
hs20_free_osu_prov(wpa_s);
|
|
#endif /* CONFIG_HS20 */
|
|
}
|
|
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
int i, max;
|
|
|
|
#ifdef CONFIG_IEEE80211W
|
|
max = 6;
|
|
#else /* CONFIG_IEEE80211W */
|
|
max = 4;
|
|
#endif /* CONFIG_IEEE80211W */
|
|
|
|
/* MLME-DELETEKEYS.request */
|
|
for (i = 0; i < max; i++) {
|
|
if (wpa_s->keys_cleared & BIT(i))
|
|
continue;
|
|
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, i, 0, NULL, 0,
|
|
NULL, 0);
|
|
}
|
|
if (!(wpa_s->keys_cleared & BIT(0)) && addr &&
|
|
!is_zero_ether_addr(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 = (u32) -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
|
|
*/
|
|
const char * wpa_supplicant_state_txt(enum wpa_states state)
|
|
{
|
|
switch (state) {
|
|
case WPA_DISCONNECTED:
|
|
return "DISCONNECTED";
|
|
case WPA_INACTIVE:
|
|
return "INACTIVE";
|
|
case WPA_INTERFACE_DISABLED:
|
|
return "INTERFACE_DISABLED";
|
|
case WPA_SCANNING:
|
|
return "SCANNING";
|
|
case WPA_AUTHENTICATING:
|
|
return "AUTHENTICATING";
|
|
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";
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_BGSCAN
|
|
|
|
static void wpa_supplicant_start_bgscan(struct wpa_supplicant *wpa_s)
|
|
{
|
|
const char *name;
|
|
|
|
if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan)
|
|
name = wpa_s->current_ssid->bgscan;
|
|
else
|
|
name = wpa_s->conf->bgscan;
|
|
if (name == NULL || name[0] == '\0')
|
|
return;
|
|
if (wpas_driver_bss_selection(wpa_s))
|
|
return;
|
|
if (wpa_s->current_ssid == wpa_s->bgscan_ssid)
|
|
return;
|
|
#ifdef CONFIG_P2P
|
|
if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
|
|
return;
|
|
#endif /* CONFIG_P2P */
|
|
|
|
bgscan_deinit(wpa_s);
|
|
if (wpa_s->current_ssid) {
|
|
if (bgscan_init(wpa_s, wpa_s->current_ssid, name)) {
|
|
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 {
|
|
struct wpa_scan_results *scan_res;
|
|
wpa_s->bgscan_ssid = wpa_s->current_ssid;
|
|
scan_res = wpa_supplicant_get_scan_results(wpa_s, NULL,
|
|
0);
|
|
if (scan_res) {
|
|
bgscan_notify_scan(wpa_s, scan_res);
|
|
wpa_scan_results_free(scan_res);
|
|
}
|
|
}
|
|
} 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 */
|
|
|
|
|
|
static void wpa_supplicant_start_autoscan(struct wpa_supplicant *wpa_s)
|
|
{
|
|
if (autoscan_init(wpa_s, 0))
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize autoscan");
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_stop_autoscan(struct wpa_supplicant *wpa_s)
|
|
{
|
|
autoscan_deinit(wpa_s);
|
|
}
|
|
|
|
|
|
void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s)
|
|
{
|
|
if (wpa_s->wpa_state == WPA_DISCONNECTED ||
|
|
wpa_s->wpa_state == WPA_SCANNING) {
|
|
autoscan_deinit(wpa_s);
|
|
wpa_supplicant_start_autoscan(wpa_s);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
|
|
enum wpa_states state)
|
|
{
|
|
enum wpa_states old_state = wpa_s->wpa_state;
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "State: %s -> %s",
|
|
wpa_supplicant_state_txt(wpa_s->wpa_state),
|
|
wpa_supplicant_state_txt(state));
|
|
|
|
if (state == WPA_INTERFACE_DISABLED) {
|
|
/* Assure normal scan when interface is restored */
|
|
wpa_s->normal_scans = 0;
|
|
}
|
|
|
|
if (state == WPA_COMPLETED)
|
|
wpas_connect_work_done(wpa_s);
|
|
|
|
if (state != WPA_SCANNING)
|
|
wpa_supplicant_notify_scanning(wpa_s, 0);
|
|
|
|
if (state == WPA_COMPLETED && wpa_s->new_connection) {
|
|
struct wpa_ssid *ssid = wpa_s->current_ssid;
|
|
#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
|
|
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- Connection to "
|
|
MACSTR " completed [id=%d id_str=%s]",
|
|
MAC2STR(wpa_s->bssid),
|
|
ssid ? ssid->id : -1,
|
|
ssid && ssid->id_str ? ssid->id_str : "");
|
|
#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
|
|
wpas_clear_temp_disabled(wpa_s, ssid, 1);
|
|
wpa_s->extra_blacklist_count = 0;
|
|
wpa_s->new_connection = 0;
|
|
wpa_drv_set_operstate(wpa_s, 1);
|
|
#ifndef IEEE8021X_EAPOL
|
|
wpa_drv_set_supp_port(wpa_s, 1);
|
|
#endif /* IEEE8021X_EAPOL */
|
|
wpa_s->after_wps = 0;
|
|
wpa_s->known_wps_freq = 0;
|
|
#ifdef CONFIG_P2P
|
|
wpas_p2p_completed(wpa_s);
|
|
#endif /* CONFIG_P2P */
|
|
|
|
sme_sched_obss_scan(wpa_s, 1);
|
|
} else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING ||
|
|
state == WPA_ASSOCIATED) {
|
|
wpa_s->new_connection = 1;
|
|
wpa_drv_set_operstate(wpa_s, 0);
|
|
#ifndef IEEE8021X_EAPOL
|
|
wpa_drv_set_supp_port(wpa_s, 0);
|
|
#endif /* IEEE8021X_EAPOL */
|
|
sme_sched_obss_scan(wpa_s, 0);
|
|
}
|
|
wpa_s->wpa_state = state;
|
|
|
|
#ifdef CONFIG_BGSCAN
|
|
if (state == WPA_COMPLETED)
|
|
wpa_supplicant_start_bgscan(wpa_s);
|
|
else if (state < WPA_ASSOCIATED)
|
|
wpa_supplicant_stop_bgscan(wpa_s);
|
|
#endif /* CONFIG_BGSCAN */
|
|
|
|
if (state == WPA_AUTHENTICATING)
|
|
wpa_supplicant_stop_autoscan(wpa_s);
|
|
|
|
if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
|
|
wpa_supplicant_start_autoscan(wpa_s);
|
|
|
|
if (wpa_s->wpa_state != old_state) {
|
|
wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state);
|
|
|
|
if (wpa_s->wpa_state == WPA_COMPLETED ||
|
|
old_state == WPA_COMPLETED)
|
|
wpas_notify_auth_changed(wpa_s);
|
|
}
|
|
}
|
|
|
|
|
|
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) {
|
|
struct wpa_supplicant *next = wpa_s->next;
|
|
#ifdef CONFIG_P2P
|
|
if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE ||
|
|
(wpa_s->current_ssid && wpa_s->current_ssid->p2p_group))
|
|
wpas_p2p_disconnect(wpa_s);
|
|
#endif /* CONFIG_P2P */
|
|
if (wpas_wps_terminate_pending(wpa_s) == 1)
|
|
pending = 1;
|
|
wpa_s = next;
|
|
}
|
|
#endif /* CONFIG_WPS */
|
|
if (pending)
|
|
return;
|
|
eloop_terminate();
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_terminate(int sig, void *signal_ctx)
|
|
{
|
|
struct wpa_global *global = signal_ctx;
|
|
wpa_supplicant_terminate_proc(global);
|
|
}
|
|
|
|
|
|
void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s)
|
|
{
|
|
enum wpa_states old_state = wpa_s->wpa_state;
|
|
|
|
wpa_s->pairwise_cipher = 0;
|
|
wpa_s->group_cipher = 0;
|
|
wpa_s->mgmt_group_cipher = 0;
|
|
wpa_s->key_mgmt = 0;
|
|
if (wpa_s->wpa_state != WPA_INTERFACE_DISABLED)
|
|
wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
|
|
|
|
if (wpa_s->wpa_state != old_state)
|
|
wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state);
|
|
}
|
|
|
|
|
|
/**
|
|
* 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;
|
|
int old_ap_scan;
|
|
|
|
if (wpa_s->confname == NULL)
|
|
return -1;
|
|
conf = wpa_config_read(wpa_s->confname, NULL);
|
|
if (conf == NULL) {
|
|
wpa_msg(wpa_s, MSG_ERROR, "Failed to parse the configuration "
|
|
"file '%s' - exiting", wpa_s->confname);
|
|
return -1;
|
|
}
|
|
wpa_config_read(wpa_s->confanother, conf);
|
|
|
|
conf->changed_parameters = (unsigned int) -1;
|
|
|
|
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);
|
|
if (wpa_s->current_ssid) {
|
|
wpa_supplicant_deauthenticate(wpa_s,
|
|
WLAN_REASON_DEAUTH_LEAVING);
|
|
}
|
|
|
|
/*
|
|
* TODO: should notify EAPOL SM about changes in opensc_engine_path,
|
|
* pkcs11_engine_path, pkcs11_module_path.
|
|
*/
|
|
if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
|
|
/*
|
|
* 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);
|
|
wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
|
|
wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth);
|
|
rsn_preauth_deinit(wpa_s->wpa);
|
|
|
|
old_ap_scan = wpa_s->conf->ap_scan;
|
|
wpa_config_free(wpa_s->conf);
|
|
wpa_s->conf = conf;
|
|
if (old_ap_scan != wpa_s->conf->ap_scan)
|
|
wpas_notify_ap_scan_changed(wpa_s);
|
|
|
|
if (reconf_ctrl)
|
|
wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s);
|
|
|
|
wpa_supplicant_update_config(wpa_s);
|
|
|
|
wpa_supplicant_clear_status(wpa_s);
|
|
if (wpa_supplicant_enabled_networks(wpa_s)) {
|
|
wpa_s->reassociate = 1;
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
|
}
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Reconfiguration completed");
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_reconfig(int sig, void *signal_ctx)
|
|
{
|
|
struct wpa_global *global = signal_ctx;
|
|
struct wpa_supplicant *wpa_s;
|
|
for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Signal %d received - reconfiguring",
|
|
sig);
|
|
if (wpa_supplicant_reload_configuration(wpa_s) < 0) {
|
|
wpa_supplicant_terminate_proc(global);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
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;
|
|
}
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Using WPA IE from AssocReq to set "
|
|
"cipher suites");
|
|
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
|
|
if (!(ie->capabilities & WPA_CAPABILITY_MFPC) &&
|
|
(ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ?
|
|
wpa_s->conf->pmf : ssid->ieee80211w) ==
|
|
MGMT_FRAME_PROTECTION_REQUIRED) {
|
|
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,
|
|
struct wpa_bss *bss, struct wpa_ssid *ssid,
|
|
u8 *wpa_ie, size_t *wpa_ie_len)
|
|
{
|
|
struct wpa_ie_data ie;
|
|
int sel, proto;
|
|
const u8 *bss_wpa, *bss_rsn, *bss_osen;
|
|
|
|
if (bss) {
|
|
bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
|
|
bss_rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
|
|
bss_osen = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
|
|
} else
|
|
bss_wpa = bss_rsn = bss_osen = 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)) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using IEEE 802.11i/D9.0");
|
|
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)) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using IEEE 802.11i/D3.0");
|
|
proto = WPA_PROTO_WPA;
|
|
#ifdef CONFIG_HS20
|
|
} else if (bss_osen && (ssid->proto & WPA_PROTO_OSEN)) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: using OSEN");
|
|
/* TODO: parse OSEN element */
|
|
ie.group_cipher = WPA_CIPHER_CCMP;
|
|
ie.pairwise_cipher = WPA_CIPHER_CCMP;
|
|
ie.key_mgmt = WPA_KEY_MGMT_OSEN;
|
|
proto = WPA_PROTO_OSEN;
|
|
#endif /* CONFIG_HS20 */
|
|
} else if (bss) {
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select WPA/RSN");
|
|
return -1;
|
|
} else {
|
|
if (ssid->proto & WPA_PROTO_OSEN)
|
|
proto = WPA_PROTO_OSEN;
|
|
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 =
|
|
ssid->ieee80211w != NO_MGMT_FRAME_PROTECTION ?
|
|
WPA_CIPHER_AES_128_CMAC : 0;
|
|
#endif /* CONFIG_IEEE80211W */
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Set cipher suites "
|
|
"based on configuration");
|
|
} else
|
|
proto = ie.proto;
|
|
}
|
|
|
|
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);
|
|
#ifdef CONFIG_IEEE80211W
|
|
if (ssid->ieee80211w) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected mgmt group cipher %d",
|
|
ie.mgmt_group_cipher);
|
|
}
|
|
#endif /* CONFIG_IEEE80211W */
|
|
|
|
wpa_s->wpa_proto = proto;
|
|
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 | WPA_PROTO_OSEN)));
|
|
|
|
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;
|
|
wpa_s->group_cipher = wpa_pick_group_cipher(sel);
|
|
if (wpa_s->group_cipher < 0) {
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select group "
|
|
"cipher");
|
|
return -1;
|
|
}
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK %s",
|
|
wpa_cipher_txt(wpa_s->group_cipher));
|
|
|
|
sel = ie.pairwise_cipher & ssid->pairwise_cipher;
|
|
wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(sel, 1);
|
|
if (wpa_s->pairwise_cipher < 0) {
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select pairwise "
|
|
"cipher");
|
|
return -1;
|
|
}
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK %s",
|
|
wpa_cipher_txt(wpa_s->pairwise_cipher));
|
|
|
|
sel = ie.key_mgmt & ssid->key_mgmt;
|
|
#ifdef CONFIG_SAE
|
|
if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE))
|
|
sel &= ~(WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE);
|
|
#endif /* CONFIG_SAE */
|
|
if (0) {
|
|
#ifdef CONFIG_IEEE80211R
|
|
} else if (sel & WPA_KEY_MGMT_FT_IEEE8021X) {
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/802.1X");
|
|
} else if (sel & WPA_KEY_MGMT_FT_PSK) {
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_FT_PSK;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/PSK");
|
|
#endif /* CONFIG_IEEE80211R */
|
|
#ifdef CONFIG_SAE
|
|
} else if (sel & WPA_KEY_MGMT_SAE) {
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_SAE;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using KEY_MGMT SAE");
|
|
} else if (sel & WPA_KEY_MGMT_FT_SAE) {
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_FT_SAE;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using KEY_MGMT FT/SAE");
|
|
#endif /* CONFIG_SAE */
|
|
#ifdef CONFIG_IEEE80211W
|
|
} else if (sel & WPA_KEY_MGMT_IEEE8021X_SHA256) {
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256;
|
|
wpa_dbg(wpa_s, MSG_DEBUG,
|
|
"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;
|
|
wpa_dbg(wpa_s, MSG_DEBUG,
|
|
"WPA: using KEY_MGMT PSK with SHA256");
|
|
#endif /* CONFIG_IEEE80211W */
|
|
} else if (sel & WPA_KEY_MGMT_IEEE8021X) {
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT 802.1X");
|
|
} else if (sel & WPA_KEY_MGMT_PSK) {
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-PSK");
|
|
} else if (sel & WPA_KEY_MGMT_WPA_NONE) {
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_WPA_NONE;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-NONE");
|
|
#ifdef CONFIG_HS20
|
|
} else if (sel & WPA_KEY_MGMT_OSEN) {
|
|
wpa_s->key_mgmt = WPA_KEY_MGMT_OSEN;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: using KEY_MGMT OSEN");
|
|
#endif /* CONFIG_HS20 */
|
|
} else {
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select "
|
|
"authenticated key management type");
|
|
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;
|
|
if ((ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ?
|
|
wpa_s->conf->pmf : ssid->ieee80211w) == NO_MGMT_FRAME_PROTECTION ||
|
|
!(ie.capabilities & WPA_CAPABILITY_MFPC))
|
|
sel = 0;
|
|
if (sel & WPA_CIPHER_AES_128_CMAC) {
|
|
wpa_s->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher "
|
|
"AES-128-CMAC");
|
|
} else if (sel & WPA_CIPHER_BIP_GMAC_128) {
|
|
wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_GMAC_128;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher "
|
|
"BIP-GMAC-128");
|
|
} else if (sel & WPA_CIPHER_BIP_GMAC_256) {
|
|
wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_GMAC_256;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher "
|
|
"BIP-GMAC-256");
|
|
} else if (sel & WPA_CIPHER_BIP_CMAC_256) {
|
|
wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_CMAC_256;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher "
|
|
"BIP-CMAC-256");
|
|
} else {
|
|
wpa_s->mgmt_group_cipher = 0;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher");
|
|
}
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP,
|
|
wpa_s->mgmt_group_cipher);
|
|
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP,
|
|
(ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ?
|
|
wpa_s->conf->pmf : ssid->ieee80211w));
|
|
#endif /* CONFIG_IEEE80211W */
|
|
|
|
if (wpa_sm_set_assoc_wpa_ie_default(wpa_s->wpa, wpa_ie, wpa_ie_len)) {
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to generate WPA IE");
|
|
return -1;
|
|
}
|
|
|
|
if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) {
|
|
wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN);
|
|
#ifndef CONFIG_NO_PBKDF2
|
|
if (bss && ssid->bssid_set && ssid->ssid_len == 0 &&
|
|
ssid->passphrase) {
|
|
u8 psk[PMK_LEN];
|
|
pbkdf2_sha1(ssid->passphrase, 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 */
|
|
#ifdef CONFIG_EXT_PASSWORD
|
|
if (ssid->ext_psk) {
|
|
struct wpabuf *pw = ext_password_get(wpa_s->ext_pw,
|
|
ssid->ext_psk);
|
|
char pw_str[64 + 1];
|
|
u8 psk[PMK_LEN];
|
|
|
|
if (pw == NULL) {
|
|
wpa_msg(wpa_s, MSG_INFO, "EXT PW: No PSK "
|
|
"found from external storage");
|
|
return -1;
|
|
}
|
|
|
|
if (wpabuf_len(pw) < 8 || wpabuf_len(pw) > 64) {
|
|
wpa_msg(wpa_s, MSG_INFO, "EXT PW: Unexpected "
|
|
"PSK length %d in external storage",
|
|
(int) wpabuf_len(pw));
|
|
ext_password_free(pw);
|
|
return -1;
|
|
}
|
|
|
|
os_memcpy(pw_str, wpabuf_head(pw), wpabuf_len(pw));
|
|
pw_str[wpabuf_len(pw)] = '\0';
|
|
|
|
#ifndef CONFIG_NO_PBKDF2
|
|
if (wpabuf_len(pw) >= 8 && wpabuf_len(pw) < 64 && bss)
|
|
{
|
|
pbkdf2_sha1(pw_str, bss->ssid, bss->ssid_len,
|
|
4096, psk, PMK_LEN);
|
|
os_memset(pw_str, 0, sizeof(pw_str));
|
|
wpa_hexdump_key(MSG_MSGDUMP, "PSK (from "
|
|
"external passphrase)",
|
|
psk, PMK_LEN);
|
|
wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN);
|
|
} else
|
|
#endif /* CONFIG_NO_PBKDF2 */
|
|
if (wpabuf_len(pw) == 2 * PMK_LEN) {
|
|
if (hexstr2bin(pw_str, psk, PMK_LEN) < 0) {
|
|
wpa_msg(wpa_s, MSG_INFO, "EXT PW: "
|
|
"Invalid PSK hex string");
|
|
os_memset(pw_str, 0, sizeof(pw_str));
|
|
ext_password_free(pw);
|
|
return -1;
|
|
}
|
|
wpa_sm_set_pmk(wpa_s->wpa, psk, PMK_LEN);
|
|
} else {
|
|
wpa_msg(wpa_s, MSG_INFO, "EXT PW: No suitable "
|
|
"PSK available");
|
|
os_memset(pw_str, 0, sizeof(pw_str));
|
|
ext_password_free(pw);
|
|
return -1;
|
|
}
|
|
|
|
os_memset(pw_str, 0, sizeof(pw_str));
|
|
ext_password_free(pw);
|
|
}
|
|
#endif /* CONFIG_EXT_PASSWORD */
|
|
} else
|
|
wpa_sm_set_pmk_from_pmksa(wpa_s->wpa);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void wpas_ext_capab_byte(struct wpa_supplicant *wpa_s, u8 *pos, int idx)
|
|
{
|
|
*pos = 0x00;
|
|
|
|
switch (idx) {
|
|
case 0: /* Bits 0-7 */
|
|
break;
|
|
case 1: /* Bits 8-15 */
|
|
break;
|
|
case 2: /* Bits 16-23 */
|
|
#ifdef CONFIG_WNM
|
|
*pos |= 0x02; /* Bit 17 - WNM-Sleep Mode */
|
|
*pos |= 0x08; /* Bit 19 - BSS Transition */
|
|
#endif /* CONFIG_WNM */
|
|
break;
|
|
case 3: /* Bits 24-31 */
|
|
#ifdef CONFIG_WNM
|
|
*pos |= 0x02; /* Bit 25 - SSID List */
|
|
#endif /* CONFIG_WNM */
|
|
#ifdef CONFIG_INTERWORKING
|
|
if (wpa_s->conf->interworking)
|
|
*pos |= 0x80; /* Bit 31 - Interworking */
|
|
#endif /* CONFIG_INTERWORKING */
|
|
break;
|
|
case 4: /* Bits 32-39 */
|
|
#ifdef CONFIG_INTERWORKING
|
|
if (wpa_s->drv_flags / WPA_DRIVER_FLAGS_QOS_MAPPING)
|
|
*pos |= 0x01; /* Bit 32 - QoS Map */
|
|
#endif /* CONFIG_INTERWORKING */
|
|
break;
|
|
case 5: /* Bits 40-47 */
|
|
#ifdef CONFIG_HS20
|
|
if (wpa_s->conf->hs20)
|
|
*pos |= 0x40; /* Bit 46 - WNM-Notification */
|
|
#endif /* CONFIG_HS20 */
|
|
break;
|
|
case 6: /* Bits 48-55 */
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf)
|
|
{
|
|
u8 *pos = buf;
|
|
u8 len = 6, i;
|
|
|
|
if (len < wpa_s->extended_capa_len)
|
|
len = wpa_s->extended_capa_len;
|
|
|
|
*pos++ = WLAN_EID_EXT_CAPAB;
|
|
*pos++ = len;
|
|
for (i = 0; i < len; i++, pos++) {
|
|
wpas_ext_capab_byte(wpa_s, pos, i);
|
|
|
|
if (i < wpa_s->extended_capa_len) {
|
|
*pos &= ~wpa_s->extended_capa_mask[i];
|
|
*pos |= wpa_s->extended_capa[i];
|
|
}
|
|
}
|
|
|
|
while (len > 0 && buf[1 + len] == 0) {
|
|
len--;
|
|
buf[1] = len;
|
|
}
|
|
if (len == 0)
|
|
return 0;
|
|
|
|
return 2 + len;
|
|
}
|
|
|
|
|
|
static int wpas_valid_bss(struct wpa_supplicant *wpa_s,
|
|
struct wpa_bss *test_bss)
|
|
{
|
|
struct wpa_bss *bss;
|
|
|
|
dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
|
|
if (bss == test_bss)
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wpas_valid_ssid(struct wpa_supplicant *wpa_s,
|
|
struct wpa_ssid *test_ssid)
|
|
{
|
|
struct wpa_ssid *ssid;
|
|
|
|
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
|
|
if (ssid == test_ssid)
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
|
|
struct wpa_ssid *test_ssid)
|
|
{
|
|
if (test_bss && !wpas_valid_bss(wpa_s, test_bss))
|
|
return 0;
|
|
|
|
return test_ssid == NULL || wpas_valid_ssid(wpa_s, test_ssid);
|
|
}
|
|
|
|
|
|
void wpas_connect_work_free(struct wpa_connect_work *cwork)
|
|
{
|
|
if (cwork == NULL)
|
|
return;
|
|
os_free(cwork);
|
|
}
|
|
|
|
|
|
void wpas_connect_work_done(struct wpa_supplicant *wpa_s)
|
|
{
|
|
struct wpa_connect_work *cwork;
|
|
struct wpa_radio_work *work = wpa_s->connect_work;
|
|
|
|
if (!work)
|
|
return;
|
|
|
|
wpa_s->connect_work = NULL;
|
|
cwork = work->ctx;
|
|
work->ctx = NULL;
|
|
wpas_connect_work_free(cwork);
|
|
radio_work_done(work);
|
|
}
|
|
|
|
|
|
static void wpas_start_assoc_cb(struct wpa_radio_work *work, int deinit);
|
|
|
|
/**
|
|
* 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,
|
|
struct wpa_bss *bss, struct wpa_ssid *ssid)
|
|
{
|
|
struct wpa_connect_work *cwork;
|
|
|
|
#ifdef CONFIG_IBSS_RSN
|
|
ibss_rsn_deinit(wpa_s->ibss_rsn);
|
|
wpa_s->ibss_rsn = NULL;
|
|
#endif /* CONFIG_IBSS_RSN */
|
|
|
|
if (ssid->mode == WPAS_MODE_AP || ssid->mode == WPAS_MODE_P2P_GO ||
|
|
ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
|
|
#ifdef CONFIG_AP
|
|
if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP)) {
|
|
wpa_msg(wpa_s, MSG_INFO, "Driver does not support AP "
|
|
"mode");
|
|
return;
|
|
}
|
|
if (wpa_supplicant_create_ap(wpa_s, ssid) < 0) {
|
|
wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
|
|
if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
|
|
wpas_p2p_ap_setup_failed(wpa_s);
|
|
return;
|
|
}
|
|
wpa_s->current_bss = bss;
|
|
#else /* CONFIG_AP */
|
|
wpa_msg(wpa_s, MSG_ERROR, "AP mode support not included in "
|
|
"the build");
|
|
#endif /* CONFIG_AP */
|
|
return;
|
|
}
|
|
|
|
#ifdef CONFIG_TDLS
|
|
if (bss)
|
|
wpa_tdls_ap_ies(wpa_s->wpa, (const u8 *) (bss + 1),
|
|
bss->ie_len);
|
|
#endif /* CONFIG_TDLS */
|
|
|
|
if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
|
|
ssid->mode == IEEE80211_MODE_INFRA) {
|
|
sme_authenticate(wpa_s, bss, ssid);
|
|
return;
|
|
}
|
|
|
|
if (wpa_s->connect_work) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Reject wpa_supplicant_associate() call since connect_work exist");
|
|
return;
|
|
}
|
|
|
|
if (radio_work_pending(wpa_s, "connect")) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Reject wpa_supplicant_associate() call since pending work exist");
|
|
return;
|
|
}
|
|
|
|
cwork = os_zalloc(sizeof(*cwork));
|
|
if (cwork == NULL)
|
|
return;
|
|
|
|
cwork->bss = bss;
|
|
cwork->ssid = ssid;
|
|
|
|
if (radio_add_work(wpa_s, bss ? bss->freq : 0, "connect", 1,
|
|
wpas_start_assoc_cb, cwork) < 0) {
|
|
os_free(cwork);
|
|
}
|
|
}
|
|
|
|
|
|
static void wpas_start_assoc_cb(struct wpa_radio_work *work, int deinit)
|
|
{
|
|
struct wpa_connect_work *cwork = work->ctx;
|
|
struct wpa_bss *bss = cwork->bss;
|
|
struct wpa_ssid *ssid = cwork->ssid;
|
|
struct wpa_supplicant *wpa_s = work->wpa_s;
|
|
u8 wpa_ie[200];
|
|
size_t wpa_ie_len;
|
|
int use_crypt, ret, i, bssid_changed;
|
|
int algs = WPA_AUTH_ALG_OPEN;
|
|
unsigned int cipher_pairwise, cipher_group;
|
|
struct wpa_driver_associate_params params;
|
|
int wep_keys_set = 0;
|
|
int assoc_failed = 0;
|
|
struct wpa_ssid *old_ssid;
|
|
#ifdef CONFIG_HT_OVERRIDES
|
|
struct ieee80211_ht_capabilities htcaps;
|
|
struct ieee80211_ht_capabilities htcaps_mask;
|
|
#endif /* CONFIG_HT_OVERRIDES */
|
|
#ifdef CONFIG_VHT_OVERRIDES
|
|
struct ieee80211_vht_capabilities vhtcaps;
|
|
struct ieee80211_vht_capabilities vhtcaps_mask;
|
|
#endif /* CONFIG_VHT_OVERRIDES */
|
|
|
|
if (deinit) {
|
|
if (work->started) {
|
|
wpa_s->connect_work = NULL;
|
|
|
|
/* cancel possible auth. timeout */
|
|
eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s,
|
|
NULL);
|
|
}
|
|
wpas_connect_work_free(cwork);
|
|
return;
|
|
}
|
|
|
|
wpa_s->connect_work = work;
|
|
|
|
if (!wpas_valid_bss_ssid(wpa_s, bss, ssid)) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "BSS/SSID entry for association not valid anymore - drop connection attempt");
|
|
wpas_connect_work_done(wpa_s);
|
|
return;
|
|
}
|
|
|
|
os_memset(¶ms, 0, sizeof(params));
|
|
wpa_s->reassociate = 0;
|
|
wpa_s->eap_expected_failure = 0;
|
|
if (bss && !wpas_driver_bss_selection(wpa_s)) {
|
|
#ifdef CONFIG_IEEE80211R
|
|
const u8 *ie, *md = NULL;
|
|
#endif /* CONFIG_IEEE80211R */
|
|
wpa_msg(wpa_s, MSG_INFO, "Trying to associate with " MACSTR
|
|
" (SSID='%s' freq=%d MHz)", MAC2STR(bss->bssid),
|
|
wpa_ssid_txt(bss->ssid, bss->ssid_len), bss->freq);
|
|
bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
|
|
os_memset(wpa_s->bssid, 0, ETH_ALEN);
|
|
os_memcpy(wpa_s->pending_bssid, bss->bssid, ETH_ALEN);
|
|
if (bssid_changed)
|
|
wpas_notify_bssid_changed(wpa_s);
|
|
#ifdef CONFIG_IEEE80211R
|
|
ie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
|
|
if (ie && ie[1] >= MOBILITY_DOMAIN_ID_LEN)
|
|
md = ie + 2;
|
|
wpa_sm_set_ft_params(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0);
|
|
if (md) {
|
|
/* Prepare for the next transition */
|
|
wpa_ft_prepare_auth_request(wpa_s->wpa, ie);
|
|
}
|
|
#endif /* CONFIG_IEEE80211R */
|
|
#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 = MANUAL_SCAN_REQ;
|
|
wpa_s->reassociate = 1;
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
|
return;
|
|
#endif /* CONFIG_WPS */
|
|
} 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);
|
|
}
|
|
wpa_supplicant_cancel_sched_scan(wpa_s);
|
|
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)
|
|
algs = WPA_AUTH_ALG_LEAP;
|
|
else
|
|
algs |= WPA_AUTH_ALG_LEAP;
|
|
}
|
|
}
|
|
#endif /* IEEE8021X_EAPOL */
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Automatic auth_alg selection: 0x%x", algs);
|
|
if (ssid->auth_alg) {
|
|
algs = ssid->auth_alg;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Overriding auth_alg selection: "
|
|
"0x%x", algs);
|
|
}
|
|
|
|
if (bss && (wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE) ||
|
|
wpa_bss_get_ie(bss, WLAN_EID_RSN)) &&
|
|
wpa_key_mgmt_wpa(ssid->key_mgmt)) {
|
|
int try_opportunistic;
|
|
try_opportunistic = (ssid->proactive_key_caching < 0 ?
|
|
wpa_s->conf->okc :
|
|
ssid->proactive_key_caching) &&
|
|
(ssid->proto & WPA_PROTO_RSN);
|
|
if (pmksa_cache_set_current(wpa_s->wpa, NULL, bss->bssid,
|
|
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)) {
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA "
|
|
"key management and encryption suites");
|
|
return;
|
|
}
|
|
} else if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && bss &&
|
|
wpa_key_mgmt_wpa_ieee8021x(ssid->key_mgmt)) {
|
|
/*
|
|
* Both WPA and non-WPA IEEE 802.1X enabled in configuration -
|
|
* use non-WPA since the scan results did not indicate that the
|
|
* AP is using WPA or WPA2.
|
|
*/
|
|
wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
|
|
wpa_ie_len = 0;
|
|
wpa_s->wpa_proto = 0;
|
|
} else if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) {
|
|
wpa_ie_len = sizeof(wpa_ie);
|
|
if (wpa_supplicant_set_suites(wpa_s, NULL, ssid,
|
|
wpa_ie, &wpa_ie_len)) {
|
|
wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to set WPA "
|
|
"key management and encryption suites (no "
|
|
"scan results)");
|
|
return;
|
|
}
|
|
#ifdef CONFIG_WPS
|
|
} else if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
|
|
struct wpabuf *wps_ie;
|
|
wps_ie = wps_build_assoc_req_ie(wpas_wps_get_req_type(ssid));
|
|
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);
|
|
} else
|
|
wpa_ie_len = 0;
|
|
wpabuf_free(wps_ie);
|
|
wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
|
|
if (!bss || (bss->caps & IEEE80211_CAP_PRIVACY))
|
|
params.wps = WPS_MODE_PRIVACY;
|
|
else
|
|
params.wps = WPS_MODE_OPEN;
|
|
wpa_s->wpa_proto = 0;
|
|
#endif /* CONFIG_WPS */
|
|
} else {
|
|
wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
|
|
wpa_ie_len = 0;
|
|
wpa_s->wpa_proto = 0;
|
|
}
|
|
|
|
#ifdef CONFIG_P2P
|
|
if (wpa_s->global->p2p) {
|
|
u8 *pos;
|
|
size_t len;
|
|
int res;
|
|
pos = wpa_ie + wpa_ie_len;
|
|
len = sizeof(wpa_ie) - wpa_ie_len;
|
|
res = wpas_p2p_assoc_req_ie(wpa_s, bss, pos, len,
|
|
ssid->p2p_group);
|
|
if (res >= 0)
|
|
wpa_ie_len += res;
|
|
}
|
|
|
|
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);
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "P2P: WLAN AP %s cross "
|
|
"connection",
|
|
wpa_s->cross_connect_disallowed ?
|
|
"disallows" : "allows");
|
|
}
|
|
}
|
|
|
|
os_memset(wpa_s->p2p_ip_addr_info, 0, sizeof(wpa_s->p2p_ip_addr_info));
|
|
#endif /* CONFIG_P2P */
|
|
|
|
#ifdef CONFIG_HS20
|
|
if (is_hs20_network(wpa_s, ssid, bss)) {
|
|
struct wpabuf *hs20;
|
|
hs20 = wpabuf_alloc(20);
|
|
if (hs20) {
|
|
int pps_mo_id = hs20_get_pps_mo_id(wpa_s, ssid);
|
|
wpas_hs20_add_indication(hs20, pps_mo_id);
|
|
os_memcpy(wpa_ie + wpa_ie_len, wpabuf_head(hs20),
|
|
wpabuf_len(hs20));
|
|
wpa_ie_len += wpabuf_len(hs20);
|
|
wpabuf_free(hs20);
|
|
}
|
|
}
|
|
#endif /* CONFIG_HS20 */
|
|
|
|
/*
|
|
* Workaround: Add Extended Capabilities element only if the AP
|
|
* included this element in Beacon/Probe Response frames. Some older
|
|
* APs seem to have interoperability issues if this element is
|
|
* included, so while the standard may require us to include the
|
|
* element in all cases, it is justifiable to skip it to avoid
|
|
* interoperability issues.
|
|
*/
|
|
if (!bss || wpa_bss_get_ie(bss, WLAN_EID_EXT_CAPAB)) {
|
|
u8 ext_capab[10];
|
|
int ext_capab_len;
|
|
ext_capab_len = wpas_build_ext_capab(wpa_s, ext_capab);
|
|
if (ext_capab_len > 0) {
|
|
u8 *pos = wpa_ie;
|
|
if (wpa_ie_len > 0 && pos[0] == WLAN_EID_RSN)
|
|
pos += 2 + pos[1];
|
|
os_memmove(pos + ext_capab_len, pos,
|
|
wpa_ie_len - (pos - wpa_ie));
|
|
wpa_ie_len += ext_capab_len;
|
|
os_memcpy(pos, ext_capab, ext_capab_len);
|
|
}
|
|
}
|
|
|
|
wpa_clear_keys(wpa_s, bss ? bss->bssid : NULL);
|
|
use_crypt = 1;
|
|
cipher_pairwise = wpa_s->pairwise_cipher;
|
|
cipher_group = 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;
|
|
}
|
|
}
|
|
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS)
|
|
use_crypt = 0;
|
|
|
|
#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 = WPA_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) {
|
|
params.ssid = bss->ssid;
|
|
params.ssid_len = bss->ssid_len;
|
|
if (!wpas_driver_bss_selection(wpa_s) || ssid->bssid_set) {
|
|
wpa_printf(MSG_DEBUG, "Limit connection to BSSID "
|
|
MACSTR " freq=%u MHz based on scan results "
|
|
"(bssid_set=%d)",
|
|
MAC2STR(bss->bssid), bss->freq,
|
|
ssid->bssid_set);
|
|
params.bssid = bss->bssid;
|
|
params.freq = bss->freq;
|
|
}
|
|
params.bssid_hint = bss->bssid;
|
|
params.freq_hint = bss->freq;
|
|
} else {
|
|
params.ssid = ssid->ssid;
|
|
params.ssid_len = ssid->ssid_len;
|
|
}
|
|
|
|
if (ssid->mode == WPAS_MODE_IBSS && ssid->bssid_set &&
|
|
wpa_s->conf->ap_scan == 2) {
|
|
params.bssid = ssid->bssid;
|
|
params.fixed_bssid = 1;
|
|
}
|
|
|
|
if (ssid->mode == WPAS_MODE_IBSS && ssid->frequency > 0 &&
|
|
params.freq == 0)
|
|
params.freq = ssid->frequency; /* Initial channel for IBSS */
|
|
|
|
if (ssid->mode == WPAS_MODE_IBSS) {
|
|
if (ssid->beacon_int)
|
|
params.beacon_int = ssid->beacon_int;
|
|
else
|
|
params.beacon_int = wpa_s->conf->beacon_int;
|
|
}
|
|
|
|
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 = wpa_s->key_mgmt;
|
|
params.wpa_proto = wpa_s->wpa_proto;
|
|
params.auth_alg = algs;
|
|
params.mode = ssid->mode;
|
|
params.bg_scan_period = ssid->bg_scan_period;
|
|
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;
|
|
|
|
if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
|
|
(params.key_mgmt_suite == WPA_KEY_MGMT_PSK ||
|
|
params.key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
|
|
params.passphrase = ssid->passphrase;
|
|
if (ssid->psk_set)
|
|
params.psk = ssid->psk;
|
|
}
|
|
|
|
params.drop_unencrypted = use_crypt;
|
|
|
|
#ifdef CONFIG_IEEE80211W
|
|
params.mgmt_frame_protection =
|
|
ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ?
|
|
wpa_s->conf->pmf : ssid->ieee80211w;
|
|
if (params.mgmt_frame_protection != NO_MGMT_FRAME_PROTECTION && bss) {
|
|
const u8 *rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
|
|
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)) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected AP supports "
|
|
"MFP: require MFP");
|
|
params.mgmt_frame_protection =
|
|
MGMT_FRAME_PROTECTION_REQUIRED;
|
|
}
|
|
}
|
|
#endif /* CONFIG_IEEE80211W */
|
|
|
|
params.p2p = ssid->p2p_group;
|
|
|
|
if (wpa_s->parent->set_sta_uapsd)
|
|
params.uapsd = wpa_s->parent->sta_uapsd;
|
|
else
|
|
params.uapsd = -1;
|
|
|
|
#ifdef CONFIG_HT_OVERRIDES
|
|
os_memset(&htcaps, 0, sizeof(htcaps));
|
|
os_memset(&htcaps_mask, 0, sizeof(htcaps_mask));
|
|
params.htcaps = (u8 *) &htcaps;
|
|
params.htcaps_mask = (u8 *) &htcaps_mask;
|
|
wpa_supplicant_apply_ht_overrides(wpa_s, ssid, ¶ms);
|
|
#endif /* CONFIG_HT_OVERRIDES */
|
|
#ifdef CONFIG_VHT_OVERRIDES
|
|
os_memset(&vhtcaps, 0, sizeof(vhtcaps));
|
|
os_memset(&vhtcaps_mask, 0, sizeof(vhtcaps_mask));
|
|
params.vhtcaps = &vhtcaps;
|
|
params.vhtcaps_mask = &vhtcaps_mask;
|
|
wpa_supplicant_apply_vht_overrides(wpa_s, wpa_s->current_ssid, ¶ms);
|
|
#endif /* CONFIG_VHT_OVERRIDES */
|
|
|
|
#ifdef CONFIG_P2P
|
|
/*
|
|
* If multi-channel concurrency is not supported, check for any
|
|
* frequency conflict. In case of any frequency conflict, remove the
|
|
* least prioritized connection.
|
|
*/
|
|
if (wpa_s->num_multichan_concurrent < 2) {
|
|
int freq = wpa_drv_shared_freq(wpa_s);
|
|
if (freq > 0 && freq != params.freq) {
|
|
wpa_printf(MSG_DEBUG, "Shared interface with conflicting frequency found (%d != %d)",
|
|
freq, params.freq);
|
|
if (wpas_p2p_handle_frequency_conflicts(wpa_s,
|
|
params.freq,
|
|
ssid) < 0)
|
|
return;
|
|
}
|
|
}
|
|
#endif /* CONFIG_P2P */
|
|
|
|
ret = wpa_drv_associate(wpa_s, ¶ms);
|
|
if (ret < 0) {
|
|
wpa_msg(wpa_s, MSG_INFO, "Association request to the driver "
|
|
"failed");
|
|
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);
|
|
wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
|
|
os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
|
|
return;
|
|
}
|
|
/* 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);
|
|
#ifdef CONFIG_IBSS_RSN
|
|
} else if (ssid->mode == WPAS_MODE_IBSS &&
|
|
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 */
|
|
} else {
|
|
/* Timeout for IEEE 802.11 authentication and association */
|
|
int timeout = 60;
|
|
|
|
if (assoc_failed) {
|
|
/* give IBSS a bit more time */
|
|
timeout = ssid->mode == WPAS_MODE_IBSS ? 10 : 5;
|
|
} else if (wpa_s->conf->ap_scan == 1) {
|
|
/* give IBSS a bit more time */
|
|
timeout = ssid->mode == WPAS_MODE_IBSS ? 20 : 10;
|
|
}
|
|
wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0);
|
|
}
|
|
|
|
if (wep_keys_set &&
|
|
(wpa_s->drv_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);
|
|
}
|
|
old_ssid = wpa_s->current_ssid;
|
|
wpa_s->current_ssid = ssid;
|
|
wpa_s->current_bss = bss;
|
|
wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
|
|
wpa_supplicant_initiate_eapol(wpa_s);
|
|
if (old_ssid != wpa_s->current_ssid)
|
|
wpas_notify_network_changed(wpa_s);
|
|
}
|
|
|
|
|
|
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);
|
|
old_ssid = wpa_s->current_ssid;
|
|
wpa_supplicant_mark_disassoc(wpa_s);
|
|
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);
|
|
}
|
|
|
|
|
|
/**
|
|
* 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
|
|
*
|
|
* This function is used to request %wpa_supplicant to deauthenticate from the
|
|
* current AP.
|
|
*/
|
|
void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
|
|
int reason_code)
|
|
{
|
|
u8 *addr = NULL;
|
|
union wpa_event_data event;
|
|
int zero_addr = 0;
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Request to deauthenticate - bssid=" MACSTR
|
|
" pending_bssid=" MACSTR " reason=%d state=%s",
|
|
MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
|
|
reason_code, wpa_supplicant_state_txt(wpa_s->wpa_state));
|
|
|
|
if (!is_zero_ether_addr(wpa_s->bssid))
|
|
addr = wpa_s->bssid;
|
|
else if (!is_zero_ether_addr(wpa_s->pending_bssid) &&
|
|
(wpa_s->wpa_state == WPA_AUTHENTICATING ||
|
|
wpa_s->wpa_state == WPA_ASSOCIATING))
|
|
addr = wpa_s->pending_bssid;
|
|
else if (wpa_s->wpa_state == WPA_ASSOCIATING) {
|
|
/*
|
|
* When using driver-based BSS selection, we may not know the
|
|
* BSSID with which we are currently trying to associate. We
|
|
* need to notify the driver of this disconnection even in such
|
|
* a case, so use the all zeros address here.
|
|
*/
|
|
addr = wpa_s->bssid;
|
|
zero_addr = 1;
|
|
}
|
|
|
|
#ifdef CONFIG_TDLS
|
|
wpa_tdls_teardown_peers(wpa_s->wpa);
|
|
#endif /* CONFIG_TDLS */
|
|
|
|
if (addr) {
|
|
wpa_drv_deauthenticate(wpa_s, addr, reason_code);
|
|
os_memset(&event, 0, sizeof(event));
|
|
event.deauth_info.reason_code = (u16) reason_code;
|
|
event.deauth_info.locally_generated = 1;
|
|
wpa_supplicant_event(wpa_s, EVENT_DEAUTH, &event);
|
|
if (zero_addr)
|
|
addr = NULL;
|
|
}
|
|
|
|
wpa_supplicant_clear_connection(wpa_s, addr);
|
|
}
|
|
|
|
static void wpa_supplicant_enable_one_network(struct wpa_supplicant *wpa_s,
|
|
struct wpa_ssid *ssid)
|
|
{
|
|
if (!ssid || !ssid->disabled || ssid->disabled == 2)
|
|
return;
|
|
|
|
ssid->disabled = 0;
|
|
wpas_clear_temp_disabled(wpa_s, ssid, 1);
|
|
wpas_notify_network_enabled_changed(wpa_s, ssid);
|
|
|
|
/*
|
|
* Try to reassociate since there is no current configuration and a new
|
|
* network was made available.
|
|
*/
|
|
if (!wpa_s->current_ssid && !wpa_s->disconnected)
|
|
wpa_s->reassociate = 1;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
if (ssid == NULL) {
|
|
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
|
|
wpa_supplicant_enable_one_network(wpa_s, ssid);
|
|
} else
|
|
wpa_supplicant_enable_one_network(wpa_s, ssid);
|
|
|
|
if (wpa_s->reassociate && !wpa_s->disconnected) {
|
|
if (wpa_s->sched_scanning) {
|
|
wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to add "
|
|
"new network to scan filters");
|
|
wpa_supplicant_cancel_sched_scan(wpa_s);
|
|
}
|
|
|
|
if (wpa_supplicant_fast_associate(wpa_s) != 1)
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* 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) {
|
|
if (wpa_s->sched_scanning)
|
|
wpa_supplicant_cancel_sched_scan(wpa_s);
|
|
|
|
for (other_ssid = wpa_s->conf->ssid; other_ssid;
|
|
other_ssid = other_ssid->next) {
|
|
was_disabled = other_ssid->disabled;
|
|
if (was_disabled == 2)
|
|
continue; /* do not change persistent P2P group
|
|
* data */
|
|
|
|
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_deauthenticate(
|
|
wpa_s, WLAN_REASON_DEAUTH_LEAVING);
|
|
} else if (ssid->disabled != 2) {
|
|
if (ssid == wpa_s->current_ssid)
|
|
wpa_supplicant_deauthenticate(
|
|
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);
|
|
if (wpa_s->sched_scanning) {
|
|
wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan "
|
|
"to remove network from filters");
|
|
wpa_supplicant_cancel_sched_scan(wpa_s);
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* 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;
|
|
int disconnected = 0;
|
|
|
|
if (ssid && ssid != wpa_s->current_ssid && wpa_s->current_ssid) {
|
|
wpa_supplicant_deauthenticate(
|
|
wpa_s, WLAN_REASON_DEAUTH_LEAVING);
|
|
disconnected = 1;
|
|
}
|
|
|
|
if (ssid)
|
|
wpas_clear_temp_disabled(wpa_s, ssid, 1);
|
|
|
|
/*
|
|
* Mark all other networks disabled or mark all networks enabled if no
|
|
* network specified.
|
|
*/
|
|
for (other_ssid = wpa_s->conf->ssid; other_ssid;
|
|
other_ssid = other_ssid->next) {
|
|
int was_disabled = other_ssid->disabled;
|
|
if (was_disabled == 2)
|
|
continue; /* do not change persistent P2P group data */
|
|
|
|
other_ssid->disabled = ssid ? (ssid->id != other_ssid->id) : 0;
|
|
if (was_disabled && !other_ssid->disabled)
|
|
wpas_clear_temp_disabled(wpa_s, other_ssid, 0);
|
|
|
|
if (was_disabled != other_ssid->disabled)
|
|
wpas_notify_network_enabled_changed(wpa_s, other_ssid);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
if (ssid) {
|
|
wpa_s->current_ssid = ssid;
|
|
eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
|
|
}
|
|
wpa_s->connect_without_scan = NULL;
|
|
wpa_s->disconnected = 0;
|
|
wpa_s->reassociate = 1;
|
|
|
|
if (wpa_supplicant_fast_associate(wpa_s) != 1)
|
|
wpa_supplicant_req_scan(wpa_s, 0, disconnected ? 100000 : 0);
|
|
|
|
if (ssid)
|
|
wpas_notify_network_selected(wpa_s, ssid);
|
|
}
|
|
|
|
|
|
/**
|
|
* wpas_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path
|
|
* @wpa_s: wpa_supplicant structure for a network interface
|
|
* @pkcs11_engine_path: PKCS #11 engine path or NULL
|
|
* @pkcs11_module_path: PKCS #11 module path or NULL
|
|
* Returns: 0 on success; -1 on failure
|
|
*
|
|
* Sets the PKCS #11 engine and module path. Both have to be NULL or a valid
|
|
* path. If resetting the EAPOL state machine with the new PKCS #11 engine and
|
|
* module path fails the paths will be reset to the default value (NULL).
|
|
*/
|
|
int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
|
|
const char *pkcs11_engine_path,
|
|
const char *pkcs11_module_path)
|
|
{
|
|
char *pkcs11_engine_path_copy = NULL;
|
|
char *pkcs11_module_path_copy = NULL;
|
|
|
|
if (pkcs11_engine_path != NULL) {
|
|
pkcs11_engine_path_copy = os_strdup(pkcs11_engine_path);
|
|
if (pkcs11_engine_path_copy == NULL)
|
|
return -1;
|
|
}
|
|
if (pkcs11_module_path != NULL) {
|
|
pkcs11_module_path_copy = os_strdup(pkcs11_module_path);
|
|
if (pkcs11_module_path_copy == NULL) {
|
|
os_free(pkcs11_engine_path_copy);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
os_free(wpa_s->conf->pkcs11_engine_path);
|
|
os_free(wpa_s->conf->pkcs11_module_path);
|
|
wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path_copy;
|
|
wpa_s->conf->pkcs11_module_path = pkcs11_module_path_copy;
|
|
|
|
wpa_sm_set_eapol(wpa_s->wpa, NULL);
|
|
eapol_sm_deinit(wpa_s->eapol);
|
|
wpa_s->eapol = NULL;
|
|
if (wpa_supplicant_init_eapol(wpa_s)) {
|
|
/* Error -> Reset paths to the default value (NULL) once. */
|
|
if (pkcs11_engine_path != NULL && pkcs11_module_path != NULL)
|
|
wpas_set_pkcs11_engine_and_module_path(wpa_s, NULL,
|
|
NULL);
|
|
|
|
return -1;
|
|
}
|
|
wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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;
|
|
|
|
#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 */
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
|
|
/**
|
|
* wpa_supplicant_set_scan_interval - Set scan interval
|
|
* @wpa_s: wpa_supplicant structure for a network interface
|
|
* @scan_interval: scan interval in seconds
|
|
* Returns: 0 if succeed or -1 if scan_interval has an invalid value
|
|
*
|
|
*/
|
|
int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
|
|
int scan_interval)
|
|
{
|
|
if (scan_interval < 0) {
|
|
wpa_msg(wpa_s, MSG_ERROR, "Invalid scan interval %d",
|
|
scan_interval);
|
|
return -1;
|
|
}
|
|
wpa_msg(wpa_s, MSG_DEBUG, "Setting scan interval: %d sec",
|
|
scan_interval);
|
|
wpa_supplicant_update_scan_int(wpa_s, scan_interval);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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 */
|
|
if (debug_level != MSG_EXCESSIVE &&
|
|
debug_level != MSG_MSGDUMP &&
|
|
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;
|
|
|
|
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);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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;
|
|
|
|
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;
|
|
}
|
|
ssid_len = res;
|
|
|
|
if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
|
|
wpa_msg(wpa_s, MSG_WARNING, "Could not read BSSID from "
|
|
"driver");
|
|
return NULL;
|
|
}
|
|
|
|
wired = wpa_s->conf->ap_scan == 0 &&
|
|
(wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED);
|
|
|
|
entry = wpa_s->conf->ssid;
|
|
while (entry) {
|
|
if (!wpas_network_disabled(wpa_s, entry) &&
|
|
((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;
|
|
#ifdef CONFIG_WPS
|
|
if (!wpas_network_disabled(wpa_s, entry) &&
|
|
(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 */
|
|
|
|
if (!wpas_network_disabled(wpa_s, entry) && entry->bssid_set &&
|
|
entry->ssid_len == 0 &&
|
|
os_memcmp(bssid, entry->bssid, ETH_ALEN) == 0)
|
|
return entry;
|
|
|
|
entry = entry->next;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_set_driver(struct wpa_supplicant *wpa_s,
|
|
const char *name)
|
|
{
|
|
int i;
|
|
size_t len;
|
|
const char *pos, *driver = name;
|
|
|
|
if (wpa_s == NULL)
|
|
return -1;
|
|
|
|
if (wpa_drivers[0] == NULL) {
|
|
wpa_msg(wpa_s, MSG_ERROR, "No driver interfaces build into "
|
|
"wpa_supplicant");
|
|
return -1;
|
|
}
|
|
|
|
if (name == NULL) {
|
|
/* default to first driver in the list */
|
|
return select_driver(wpa_s, 0);
|
|
}
|
|
|
|
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) ==
|
|
0) {
|
|
/* First driver that succeeds wins */
|
|
if (select_driver(wpa_s, i) == 0)
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
driver = pos + 1;
|
|
} while (pos);
|
|
|
|
wpa_msg(wpa_s, MSG_ERROR, "Unsupported driver '%s'", name);
|
|
return -1;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
|
|
const u8 *buf, size_t len)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR, MAC2STR(src_addr));
|
|
wpa_hexdump(MSG_MSGDUMP, "RX EAPOL", buf, len);
|
|
|
|
#ifdef CONFIG_PEERKEY
|
|
if (wpa_s->wpa_state > WPA_ASSOCIATED && wpa_s->current_ssid &&
|
|
wpa_s->current_ssid->peerkey &&
|
|
!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
|
|
wpa_sm_rx_eapol_peerkey(wpa_s->wpa, src_addr, buf, len) == 1) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "RSN: Processed PeerKey EAPOL-Key");
|
|
return;
|
|
}
|
|
#endif /* CONFIG_PEERKEY */
|
|
|
|
if (wpa_s->wpa_state < WPA_ASSOCIATED ||
|
|
(wpa_s->last_eapol_matches_bssid &&
|
|
#ifdef CONFIG_AP
|
|
!wpa_s->ap_iface &&
|
|
#endif /* CONFIG_AP */
|
|
os_memcmp(src_addr, wpa_s->bssid, ETH_ALEN) != 0)) {
|
|
/*
|
|
* 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. This may also be needed in
|
|
* driver-based roaming case, so also use src_addr != BSSID as a
|
|
* trigger if we have previously confirmed that the
|
|
* Authenticator uses BSSID as the src_addr (which is not the
|
|
* case with wired IEEE 802.1X).
|
|
*/
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Not associated - Delay processing "
|
|
"of received EAPOL frame (state=%s bssid=" MACSTR ")",
|
|
wpa_supplicant_state_txt(wpa_s->wpa_state),
|
|
MAC2STR(wpa_s->bssid));
|
|
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_reltime(&wpa_s->pending_eapol_rx_time);
|
|
os_memcpy(wpa_s->pending_eapol_rx_src, src_addr,
|
|
ETH_ALEN);
|
|
}
|
|
return;
|
|
}
|
|
|
|
wpa_s->last_eapol_matches_bssid =
|
|
os_memcmp(src_addr, wpa_s->bssid, ETH_ALEN) == 0;
|
|
|
|
#ifdef CONFIG_AP
|
|
if (wpa_s->ap_iface) {
|
|
wpa_supplicant_ap_rx_eapol(wpa_s, src_addr, buf, len);
|
|
return;
|
|
}
|
|
#endif /* CONFIG_AP */
|
|
|
|
if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Ignored received EAPOL frame since "
|
|
"no key management is configured");
|
|
return;
|
|
}
|
|
|
|
if (wpa_s->eapol_received == 0 &&
|
|
(!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) ||
|
|
!wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
|
|
wpa_s->wpa_state != WPA_COMPLETED) &&
|
|
(wpa_s->current_ssid == NULL ||
|
|
wpa_s->current_ssid->mode != IEEE80211_MODE_IBSS)) {
|
|
/* Timeout for completing IEEE 802.1X and WPA authentication */
|
|
wpa_supplicant_req_auth_timeout(
|
|
wpa_s,
|
|
(wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
|
|
wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA ||
|
|
wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) ?
|
|
70 : 10, 0);
|
|
}
|
|
wpa_s->eapol_received++;
|
|
|
|
if (wpa_s->countermeasures) {
|
|
wpa_msg(wpa_s, MSG_INFO, "WPA: Countermeasures - dropped "
|
|
"EAPOL packet");
|
|
return;
|
|
}
|
|
|
|
#ifdef CONFIG_IBSS_RSN
|
|
if (wpa_s->current_ssid &&
|
|
wpa_s->current_ssid->mode == WPAS_MODE_IBSS) {
|
|
ibss_rsn_rx_eapol(wpa_s->ibss_rsn, src_addr, buf, len);
|
|
return;
|
|
}
|
|
#endif /* CONFIG_IBSS_RSN */
|
|
|
|
/* 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);
|
|
if (!wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) &&
|
|
eapol_sm_rx_eapol(wpa_s->eapol, src_addr, buf, len) > 0)
|
|
return;
|
|
wpa_drv_poll(wpa_s);
|
|
if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE))
|
|
wpa_sm_rx_eapol(wpa_s->wpa, src_addr, buf, len);
|
|
else if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
|
|
/*
|
|
* 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);
|
|
}
|
|
}
|
|
|
|
|
|
int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s)
|
|
{
|
|
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);
|
|
} else if ((!wpa_s->p2p_mgmt ||
|
|
!(wpa_s->drv_flags &
|
|
WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) &&
|
|
!(wpa_s->drv_flags &
|
|
WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)) {
|
|
l2_packet_deinit(wpa_s->l2);
|
|
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;
|
|
} else {
|
|
const u8 *addr = wpa_drv_get_mac_addr(wpa_s);
|
|
if (addr)
|
|
os_memcpy(wpa_s->own_addr, addr, ETH_ALEN);
|
|
}
|
|
|
|
if (wpa_s->l2 && l2_packet_get_own_addr(wpa_s->l2, wpa_s->own_addr)) {
|
|
wpa_msg(wpa_s, MSG_ERROR, "Failed to get own L2 address");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_rx_eapol_bridge(void *ctx, const u8 *src_addr,
|
|
const u8 *buf, size_t len)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
const struct l2_ethhdr *eth;
|
|
|
|
if (len < sizeof(*eth))
|
|
return;
|
|
eth = (const struct l2_ethhdr *) buf;
|
|
|
|
if (os_memcmp(eth->h_dest, wpa_s->own_addr, ETH_ALEN) != 0 &&
|
|
!(eth->h_dest[0] & 0x01)) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR " to " MACSTR
|
|
" (bridge - not for this interface - ignore)",
|
|
MAC2STR(src_addr), MAC2STR(eth->h_dest));
|
|
return;
|
|
}
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR " to " MACSTR
|
|
" (bridge)", MAC2STR(src_addr), MAC2STR(eth->h_dest));
|
|
wpa_supplicant_rx_eapol(wpa_s, src_addr, buf + sizeof(*eth),
|
|
len - sizeof(*eth));
|
|
}
|
|
|
|
|
|
/**
|
|
* 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_supplicant_update_mac_addr(wpa_s) < 0)
|
|
return -1;
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Own MAC address: " MACSTR,
|
|
MAC2STR(wpa_s->own_addr));
|
|
wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr);
|
|
|
|
if (wpa_s->bridge_ifname[0]) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Receiving packets from bridge "
|
|
"interface '%s'", wpa_s->bridge_ifname);
|
|
wpa_s->l2_br = l2_packet_init(wpa_s->bridge_ifname,
|
|
wpa_s->own_addr,
|
|
ETH_P_EAPOL,
|
|
wpa_supplicant_rx_eapol_bridge,
|
|
wpa_s, 1);
|
|
if (wpa_s->l2_br == NULL) {
|
|
wpa_msg(wpa_s, MSG_ERROR, "Failed to open l2_packet "
|
|
"connection for the bridge interface '%s'",
|
|
wpa_s->bridge_ifname);
|
|
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);
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "RSN: flushing PMKID list in the driver");
|
|
wpa_drv_flush_pmkid(wpa_s);
|
|
|
|
wpa_s->prev_scan_ssid = WILDCARD_SSID_SCAN;
|
|
wpa_s->prev_scan_wildcard = 0;
|
|
|
|
if (wpa_supplicant_enabled_networks(wpa_s)) {
|
|
if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
|
|
wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
|
|
interface_count = 0;
|
|
}
|
|
if (!wpa_s->p2p_mgmt &&
|
|
wpa_supplicant_delayed_sched_scan(wpa_s,
|
|
interface_count % 3,
|
|
100000))
|
|
wpa_supplicant_req_scan(wpa_s, interface_count % 3,
|
|
100000);
|
|
interface_count++;
|
|
} else
|
|
wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
|
|
|
|
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 = INITIAL_SCAN_REQ;
|
|
wpa_s->scan_interval = 5;
|
|
wpa_s->new_connection = 1;
|
|
wpa_s->parent = wpa_s;
|
|
wpa_s->sched_scanning = 0;
|
|
|
|
return wpa_s;
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_HT_OVERRIDES
|
|
|
|
static int wpa_set_htcap_mcs(struct wpa_supplicant *wpa_s,
|
|
struct ieee80211_ht_capabilities *htcaps,
|
|
struct ieee80211_ht_capabilities *htcaps_mask,
|
|
const char *ht_mcs)
|
|
{
|
|
/* parse ht_mcs into hex array */
|
|
int i;
|
|
const char *tmp = ht_mcs;
|
|
char *end = NULL;
|
|
|
|
/* If ht_mcs is null, do not set anything */
|
|
if (!ht_mcs)
|
|
return 0;
|
|
|
|
/* This is what we are setting in the kernel */
|
|
os_memset(&htcaps->supported_mcs_set, 0, IEEE80211_HT_MCS_MASK_LEN);
|
|
|
|
wpa_msg(wpa_s, MSG_DEBUG, "set_htcap, ht_mcs -:%s:-", ht_mcs);
|
|
|
|
for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
|
|
errno = 0;
|
|
long v = strtol(tmp, &end, 16);
|
|
if (errno == 0) {
|
|
wpa_msg(wpa_s, MSG_DEBUG,
|
|
"htcap value[%i]: %ld end: %p tmp: %p",
|
|
i, v, end, tmp);
|
|
if (end == tmp)
|
|
break;
|
|
|
|
htcaps->supported_mcs_set[i] = v;
|
|
tmp = end;
|
|
} else {
|
|
wpa_msg(wpa_s, MSG_ERROR,
|
|
"Failed to parse ht-mcs: %s, error: %s\n",
|
|
ht_mcs, strerror(errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If we were able to parse any values, then set mask for the MCS set.
|
|
*/
|
|
if (i) {
|
|
os_memset(&htcaps_mask->supported_mcs_set, 0xff,
|
|
IEEE80211_HT_MCS_MASK_LEN - 1);
|
|
/* skip the 3 reserved bits */
|
|
htcaps_mask->supported_mcs_set[IEEE80211_HT_MCS_MASK_LEN - 1] =
|
|
0x1f;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wpa_disable_max_amsdu(struct wpa_supplicant *wpa_s,
|
|
struct ieee80211_ht_capabilities *htcaps,
|
|
struct ieee80211_ht_capabilities *htcaps_mask,
|
|
int disabled)
|
|
{
|
|
u16 msk;
|
|
|
|
wpa_msg(wpa_s, MSG_DEBUG, "set_disable_max_amsdu: %d", disabled);
|
|
|
|
if (disabled == -1)
|
|
return 0;
|
|
|
|
msk = host_to_le16(HT_CAP_INFO_MAX_AMSDU_SIZE);
|
|
htcaps_mask->ht_capabilities_info |= msk;
|
|
if (disabled)
|
|
htcaps->ht_capabilities_info &= msk;
|
|
else
|
|
htcaps->ht_capabilities_info |= msk;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wpa_set_ampdu_factor(struct wpa_supplicant *wpa_s,
|
|
struct ieee80211_ht_capabilities *htcaps,
|
|
struct ieee80211_ht_capabilities *htcaps_mask,
|
|
int factor)
|
|
{
|
|
wpa_msg(wpa_s, MSG_DEBUG, "set_ampdu_factor: %d", factor);
|
|
|
|
if (factor == -1)
|
|
return 0;
|
|
|
|
if (factor < 0 || factor > 3) {
|
|
wpa_msg(wpa_s, MSG_ERROR, "ampdu_factor: %d out of range. "
|
|
"Must be 0-3 or -1", factor);
|
|
return -EINVAL;
|
|
}
|
|
|
|
htcaps_mask->a_mpdu_params |= 0x3; /* 2 bits for factor */
|
|
htcaps->a_mpdu_params &= ~0x3;
|
|
htcaps->a_mpdu_params |= factor & 0x3;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wpa_set_ampdu_density(struct wpa_supplicant *wpa_s,
|
|
struct ieee80211_ht_capabilities *htcaps,
|
|
struct ieee80211_ht_capabilities *htcaps_mask,
|
|
int density)
|
|
{
|
|
wpa_msg(wpa_s, MSG_DEBUG, "set_ampdu_density: %d", density);
|
|
|
|
if (density == -1)
|
|
return 0;
|
|
|
|
if (density < 0 || density > 7) {
|
|
wpa_msg(wpa_s, MSG_ERROR,
|
|
"ampdu_density: %d out of range. Must be 0-7 or -1.",
|
|
density);
|
|
return -EINVAL;
|
|
}
|
|
|
|
htcaps_mask->a_mpdu_params |= 0x1C;
|
|
htcaps->a_mpdu_params &= ~(0x1C);
|
|
htcaps->a_mpdu_params |= (density << 2) & 0x1C;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wpa_set_disable_ht40(struct wpa_supplicant *wpa_s,
|
|
struct ieee80211_ht_capabilities *htcaps,
|
|
struct ieee80211_ht_capabilities *htcaps_mask,
|
|
int disabled)
|
|
{
|
|
/* Masking these out disables HT40 */
|
|
u16 msk = host_to_le16(HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET |
|
|
HT_CAP_INFO_SHORT_GI40MHZ);
|
|
|
|
wpa_msg(wpa_s, MSG_DEBUG, "set_disable_ht40: %d", disabled);
|
|
|
|
if (disabled)
|
|
htcaps->ht_capabilities_info &= ~msk;
|
|
else
|
|
htcaps->ht_capabilities_info |= msk;
|
|
|
|
htcaps_mask->ht_capabilities_info |= msk;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wpa_set_disable_sgi(struct wpa_supplicant *wpa_s,
|
|
struct ieee80211_ht_capabilities *htcaps,
|
|
struct ieee80211_ht_capabilities *htcaps_mask,
|
|
int disabled)
|
|
{
|
|
/* Masking these out disables SGI */
|
|
u16 msk = host_to_le16(HT_CAP_INFO_SHORT_GI20MHZ |
|
|
HT_CAP_INFO_SHORT_GI40MHZ);
|
|
|
|
wpa_msg(wpa_s, MSG_DEBUG, "set_disable_sgi: %d", disabled);
|
|
|
|
if (disabled)
|
|
htcaps->ht_capabilities_info &= ~msk;
|
|
else
|
|
htcaps->ht_capabilities_info |= msk;
|
|
|
|
htcaps_mask->ht_capabilities_info |= msk;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wpa_set_disable_ldpc(struct wpa_supplicant *wpa_s,
|
|
struct ieee80211_ht_capabilities *htcaps,
|
|
struct ieee80211_ht_capabilities *htcaps_mask,
|
|
int disabled)
|
|
{
|
|
/* Masking these out disables LDPC */
|
|
u16 msk = host_to_le16(HT_CAP_INFO_LDPC_CODING_CAP);
|
|
|
|
wpa_msg(wpa_s, MSG_DEBUG, "set_disable_ldpc: %d", disabled);
|
|
|
|
if (disabled)
|
|
htcaps->ht_capabilities_info &= ~msk;
|
|
else
|
|
htcaps->ht_capabilities_info |= msk;
|
|
|
|
htcaps_mask->ht_capabilities_info |= msk;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
void wpa_supplicant_apply_ht_overrides(
|
|
struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
|
|
struct wpa_driver_associate_params *params)
|
|
{
|
|
struct ieee80211_ht_capabilities *htcaps;
|
|
struct ieee80211_ht_capabilities *htcaps_mask;
|
|
|
|
if (!ssid)
|
|
return;
|
|
|
|
params->disable_ht = ssid->disable_ht;
|
|
if (!params->htcaps || !params->htcaps_mask)
|
|
return;
|
|
|
|
htcaps = (struct ieee80211_ht_capabilities *) params->htcaps;
|
|
htcaps_mask = (struct ieee80211_ht_capabilities *) params->htcaps_mask;
|
|
wpa_set_htcap_mcs(wpa_s, htcaps, htcaps_mask, ssid->ht_mcs);
|
|
wpa_disable_max_amsdu(wpa_s, htcaps, htcaps_mask,
|
|
ssid->disable_max_amsdu);
|
|
wpa_set_ampdu_factor(wpa_s, htcaps, htcaps_mask, ssid->ampdu_factor);
|
|
wpa_set_ampdu_density(wpa_s, htcaps, htcaps_mask, ssid->ampdu_density);
|
|
wpa_set_disable_ht40(wpa_s, htcaps, htcaps_mask, ssid->disable_ht40);
|
|
wpa_set_disable_sgi(wpa_s, htcaps, htcaps_mask, ssid->disable_sgi);
|
|
wpa_set_disable_ldpc(wpa_s, htcaps, htcaps_mask, ssid->disable_ldpc);
|
|
}
|
|
|
|
#endif /* CONFIG_HT_OVERRIDES */
|
|
|
|
|
|
#ifdef CONFIG_VHT_OVERRIDES
|
|
void wpa_supplicant_apply_vht_overrides(
|
|
struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
|
|
struct wpa_driver_associate_params *params)
|
|
{
|
|
struct ieee80211_vht_capabilities *vhtcaps;
|
|
struct ieee80211_vht_capabilities *vhtcaps_mask;
|
|
#ifdef CONFIG_HT_OVERRIDES
|
|
int max_ampdu;
|
|
const u32 max_ampdu_mask = VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX;
|
|
#endif /* CONFIG_HT_OVERRIDES */
|
|
|
|
if (!ssid)
|
|
return;
|
|
|
|
params->disable_vht = ssid->disable_vht;
|
|
|
|
vhtcaps = (void *) params->vhtcaps;
|
|
vhtcaps_mask = (void *) params->vhtcaps_mask;
|
|
|
|
if (!vhtcaps || !vhtcaps_mask)
|
|
return;
|
|
|
|
vhtcaps->vht_capabilities_info = ssid->vht_capa;
|
|
vhtcaps_mask->vht_capabilities_info = ssid->vht_capa_mask;
|
|
|
|
#ifdef CONFIG_HT_OVERRIDES
|
|
/* if max ampdu is <= 3, we have to make the HT cap the same */
|
|
if (ssid->vht_capa_mask & max_ampdu_mask) {
|
|
max_ampdu = (ssid->vht_capa & max_ampdu_mask) >>
|
|
find_first_bit(max_ampdu_mask);
|
|
|
|
max_ampdu = max_ampdu < 3 ? max_ampdu : 3;
|
|
wpa_set_ampdu_factor(wpa_s,
|
|
(void *) params->htcaps,
|
|
(void *) params->htcaps_mask,
|
|
max_ampdu);
|
|
}
|
|
#endif /* CONFIG_HT_OVERRIDES */
|
|
|
|
#define OVERRIDE_MCS(i) \
|
|
if (ssid->vht_tx_mcs_nss_ ##i >= 0) { \
|
|
vhtcaps_mask->vht_supported_mcs_set.tx_map |= \
|
|
3 << 2 * (i - 1); \
|
|
vhtcaps->vht_supported_mcs_set.tx_map |= \
|
|
ssid->vht_tx_mcs_nss_ ##i << 2 * (i - 1); \
|
|
} \
|
|
if (ssid->vht_rx_mcs_nss_ ##i >= 0) { \
|
|
vhtcaps_mask->vht_supported_mcs_set.rx_map |= \
|
|
3 << 2 * (i - 1); \
|
|
vhtcaps->vht_supported_mcs_set.rx_map |= \
|
|
ssid->vht_rx_mcs_nss_ ##i << 2 * (i - 1); \
|
|
}
|
|
|
|
OVERRIDE_MCS(1);
|
|
OVERRIDE_MCS(2);
|
|
OVERRIDE_MCS(3);
|
|
OVERRIDE_MCS(4);
|
|
OVERRIDE_MCS(5);
|
|
OVERRIDE_MCS(6);
|
|
OVERRIDE_MCS(7);
|
|
OVERRIDE_MCS(8);
|
|
}
|
|
#endif /* CONFIG_VHT_OVERRIDES */
|
|
|
|
|
|
static int pcsc_reader_init(struct wpa_supplicant *wpa_s)
|
|
{
|
|
#ifdef PCSC_FUNCS
|
|
size_t len;
|
|
|
|
if (!wpa_s->conf->pcsc_reader)
|
|
return 0;
|
|
|
|
wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
|
|
if (!wpa_s->scard)
|
|
return 1;
|
|
|
|
if (wpa_s->conf->pcsc_pin &&
|
|
scard_set_pin(wpa_s->scard, wpa_s->conf->pcsc_pin) < 0) {
|
|
scard_deinit(wpa_s->scard);
|
|
wpa_s->scard = NULL;
|
|
wpa_msg(wpa_s, MSG_ERROR, "PC/SC PIN validation failed");
|
|
return -1;
|
|
}
|
|
|
|
len = sizeof(wpa_s->imsi) - 1;
|
|
if (scard_get_imsi(wpa_s->scard, wpa_s->imsi, &len)) {
|
|
scard_deinit(wpa_s->scard);
|
|
wpa_s->scard = NULL;
|
|
wpa_msg(wpa_s, MSG_ERROR, "Could not read IMSI");
|
|
return -1;
|
|
}
|
|
wpa_s->imsi[len] = '\0';
|
|
|
|
wpa_s->mnc_len = scard_get_mnc_len(wpa_s->scard);
|
|
|
|
wpa_printf(MSG_DEBUG, "SCARD: IMSI %s (MNC length %d)",
|
|
wpa_s->imsi, wpa_s->mnc_len);
|
|
|
|
wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
|
|
eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
|
|
#endif /* PCSC_FUNCS */
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int wpas_init_ext_pw(struct wpa_supplicant *wpa_s)
|
|
{
|
|
char *val, *pos;
|
|
|
|
ext_password_deinit(wpa_s->ext_pw);
|
|
wpa_s->ext_pw = NULL;
|
|
eapol_sm_set_ext_pw_ctx(wpa_s->eapol, NULL);
|
|
|
|
if (!wpa_s->conf->ext_password_backend)
|
|
return 0;
|
|
|
|
val = os_strdup(wpa_s->conf->ext_password_backend);
|
|
if (val == NULL)
|
|
return -1;
|
|
pos = os_strchr(val, ':');
|
|
if (pos)
|
|
*pos++ = '\0';
|
|
|
|
wpa_printf(MSG_DEBUG, "EXT PW: Initialize backend '%s'", val);
|
|
|
|
wpa_s->ext_pw = ext_password_init(val, pos);
|
|
os_free(val);
|
|
if (wpa_s->ext_pw == NULL) {
|
|
wpa_printf(MSG_DEBUG, "EXT PW: Failed to initialize backend");
|
|
return -1;
|
|
}
|
|
eapol_sm_set_ext_pw_ctx(wpa_s->eapol, wpa_s->ext_pw);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static struct wpa_radio * radio_add_interface(struct wpa_supplicant *wpa_s,
|
|
const char *rn)
|
|
{
|
|
struct wpa_supplicant *iface = wpa_s->global->ifaces;
|
|
struct wpa_radio *radio;
|
|
|
|
while (rn && iface) {
|
|
radio = iface->radio;
|
|
if (radio && os_strcmp(rn, radio->name) == 0) {
|
|
wpa_printf(MSG_DEBUG, "Add interface %s to existing radio %s",
|
|
wpa_s->ifname, rn);
|
|
dl_list_add(&radio->ifaces, &wpa_s->radio_list);
|
|
return radio;
|
|
}
|
|
|
|
iface = iface->next;
|
|
}
|
|
|
|
wpa_printf(MSG_DEBUG, "Add interface %s to a new radio %s",
|
|
wpa_s->ifname, rn ? rn : "N/A");
|
|
radio = os_zalloc(sizeof(*radio));
|
|
if (radio == NULL)
|
|
return NULL;
|
|
|
|
if (rn)
|
|
os_strlcpy(radio->name, rn, sizeof(radio->name));
|
|
dl_list_init(&radio->ifaces);
|
|
dl_list_init(&radio->work);
|
|
dl_list_add(&radio->ifaces, &wpa_s->radio_list);
|
|
|
|
return radio;
|
|
}
|
|
|
|
|
|
static void radio_work_free(struct wpa_radio_work *work)
|
|
{
|
|
if (work->wpa_s->scan_work == work) {
|
|
/* This should not really happen. */
|
|
wpa_dbg(work->wpa_s, MSG_INFO, "Freeing radio work '%s'@%p (started=%d) that is marked as scan_work",
|
|
work->type, work, work->started);
|
|
work->wpa_s->scan_work = NULL;
|
|
}
|
|
|
|
#ifdef CONFIG_P2P
|
|
if (work->wpa_s->p2p_scan_work == work) {
|
|
/* This should not really happen. */
|
|
wpa_dbg(work->wpa_s, MSG_INFO, "Freeing radio work '%s'@%p (started=%d) that is marked as p2p_scan_work",
|
|
work->type, work, work->started);
|
|
work->wpa_s->p2p_scan_work = NULL;
|
|
}
|
|
#endif /* CONFIG_P2P */
|
|
|
|
dl_list_del(&work->list);
|
|
os_free(work);
|
|
}
|
|
|
|
|
|
static void radio_start_next_work(void *eloop_ctx, void *timeout_ctx)
|
|
{
|
|
struct wpa_radio *radio = eloop_ctx;
|
|
struct wpa_radio_work *work;
|
|
struct os_reltime now, diff;
|
|
struct wpa_supplicant *wpa_s;
|
|
|
|
work = dl_list_first(&radio->work, struct wpa_radio_work, list);
|
|
if (work == NULL)
|
|
return;
|
|
|
|
if (work->started)
|
|
return; /* already started and still in progress */
|
|
|
|
wpa_s = dl_list_first(&radio->ifaces, struct wpa_supplicant,
|
|
radio_list);
|
|
if (wpa_s && wpa_s->external_scan_running) {
|
|
wpa_printf(MSG_DEBUG, "Delay radio work start until externally triggered scan completes");
|
|
return;
|
|
}
|
|
|
|
os_get_reltime(&now);
|
|
os_reltime_sub(&now, &work->time, &diff);
|
|
wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting radio work '%s'@%p after %ld.%06ld second wait",
|
|
work->type, work, diff.sec, diff.usec);
|
|
work->started = 1;
|
|
work->time = now;
|
|
work->cb(work, 0);
|
|
}
|
|
|
|
|
|
/*
|
|
* This function removes both started and pending radio works running on
|
|
* the provided interface's radio.
|
|
* Prior to the removal of the radio work, its callback (cb) is called with
|
|
* deinit set to be 1. Each work's callback is responsible for clearing its
|
|
* internal data and restoring to a correct state.
|
|
* @wpa_s: wpa_supplicant data
|
|
* @type: type of works to be removed
|
|
* @remove_all: 1 to remove all the works on this radio, 0 to remove only
|
|
* this interface's works.
|
|
*/
|
|
void radio_remove_works(struct wpa_supplicant *wpa_s,
|
|
const char *type, int remove_all)
|
|
{
|
|
struct wpa_radio_work *work, *tmp;
|
|
struct wpa_radio *radio = wpa_s->radio;
|
|
|
|
dl_list_for_each_safe(work, tmp, &radio->work, struct wpa_radio_work,
|
|
list) {
|
|
if (type && os_strcmp(type, work->type) != 0)
|
|
continue;
|
|
|
|
/* skip other ifaces' works */
|
|
if (!remove_all && work->wpa_s != wpa_s)
|
|
continue;
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Remove radio work '%s'@%p%s",
|
|
work->type, work, work->started ? " (started)" : "");
|
|
work->cb(work, 1);
|
|
radio_work_free(work);
|
|
}
|
|
|
|
/* in case we removed the started work */
|
|
radio_work_check_next(wpa_s);
|
|
}
|
|
|
|
|
|
static void radio_remove_interface(struct wpa_supplicant *wpa_s)
|
|
{
|
|
struct wpa_radio *radio = wpa_s->radio;
|
|
|
|
if (!radio)
|
|
return;
|
|
|
|
wpa_printf(MSG_DEBUG, "Remove interface %s from radio %s",
|
|
wpa_s->ifname, radio->name);
|
|
dl_list_del(&wpa_s->radio_list);
|
|
radio_remove_works(wpa_s, NULL, 0);
|
|
wpa_s->radio = NULL;
|
|
if (!dl_list_empty(&radio->ifaces))
|
|
return; /* Interfaces remain for this radio */
|
|
|
|
wpa_printf(MSG_DEBUG, "Remove radio %s", radio->name);
|
|
eloop_cancel_timeout(radio_start_next_work, radio, NULL);
|
|
os_free(radio);
|
|
}
|
|
|
|
|
|
void radio_work_check_next(struct wpa_supplicant *wpa_s)
|
|
{
|
|
struct wpa_radio *radio = wpa_s->radio;
|
|
|
|
if (dl_list_empty(&radio->work))
|
|
return;
|
|
eloop_cancel_timeout(radio_start_next_work, radio, NULL);
|
|
eloop_register_timeout(0, 0, radio_start_next_work, radio, NULL);
|
|
}
|
|
|
|
|
|
/**
|
|
* radio_add_work - Add a radio work item
|
|
* @wpa_s: Pointer to wpa_supplicant data
|
|
* @freq: Frequency of the offchannel operation in MHz or 0
|
|
* @type: Unique identifier for each type of work
|
|
* @next: Force as the next work to be executed
|
|
* @cb: Callback function for indicating when radio is available
|
|
* @ctx: Context pointer for the work (work->ctx in cb())
|
|
* Returns: 0 on success, -1 on failure
|
|
*
|
|
* This function is used to request time for an operation that requires
|
|
* exclusive radio control. Once the radio is available, the registered callback
|
|
* function will be called. radio_work_done() must be called once the exclusive
|
|
* radio operation has been completed, so that the radio is freed for other
|
|
* operations. The special case of deinit=1 is used to free the context data
|
|
* during interface removal. That does not allow the callback function to start
|
|
* the radio operation, i.e., it must free any resources allocated for the radio
|
|
* work and return.
|
|
*
|
|
* The @freq parameter can be used to indicate a single channel on which the
|
|
* offchannel operation will occur. This may allow multiple radio work
|
|
* operations to be performed in parallel if they apply for the same channel.
|
|
* Setting this to 0 indicates that the work item may use multiple channels or
|
|
* requires exclusive control of the radio.
|
|
*/
|
|
int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
|
|
const char *type, int next,
|
|
void (*cb)(struct wpa_radio_work *work, int deinit),
|
|
void *ctx)
|
|
{
|
|
struct wpa_radio_work *work;
|
|
int was_empty;
|
|
|
|
work = os_zalloc(sizeof(*work));
|
|
if (work == NULL)
|
|
return -1;
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Add radio work '%s'@%p", type, work);
|
|
os_get_reltime(&work->time);
|
|
work->freq = freq;
|
|
work->type = type;
|
|
work->wpa_s = wpa_s;
|
|
work->cb = cb;
|
|
work->ctx = ctx;
|
|
|
|
was_empty = dl_list_empty(&wpa_s->radio->work);
|
|
if (next)
|
|
dl_list_add(&wpa_s->radio->work, &work->list);
|
|
else
|
|
dl_list_add_tail(&wpa_s->radio->work, &work->list);
|
|
if (was_empty) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "First radio work item in the queue - schedule start immediately");
|
|
radio_work_check_next(wpa_s);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* radio_work_done - Indicate that a radio work item has been completed
|
|
* @work: Completed work
|
|
*
|
|
* This function is called once the callback function registered with
|
|
* radio_add_work() has completed its work.
|
|
*/
|
|
void radio_work_done(struct wpa_radio_work *work)
|
|
{
|
|
struct wpa_supplicant *wpa_s = work->wpa_s;
|
|
struct os_reltime now, diff;
|
|
unsigned int started = work->started;
|
|
|
|
os_get_reltime(&now);
|
|
os_reltime_sub(&now, &work->time, &diff);
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Radio work '%s'@%p %s in %ld.%06ld seconds",
|
|
work->type, work, started ? "done" : "canceled",
|
|
diff.sec, diff.usec);
|
|
radio_work_free(work);
|
|
if (started)
|
|
radio_work_check_next(wpa_s);
|
|
}
|
|
|
|
|
|
int radio_work_pending(struct wpa_supplicant *wpa_s, const char *type)
|
|
{
|
|
struct wpa_radio_work *work;
|
|
struct wpa_radio *radio = wpa_s->radio;
|
|
|
|
dl_list_for_each(work, &radio->work, struct wpa_radio_work, list) {
|
|
if (work->wpa_s == wpa_s && os_strcmp(work->type, type) == 0)
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wpas_init_driver(struct wpa_supplicant *wpa_s,
|
|
struct wpa_interface *iface)
|
|
{
|
|
const char *ifname, *driver, *rn;
|
|
|
|
driver = iface->driver;
|
|
next_driver:
|
|
if (wpa_supplicant_set_driver(wpa_s, driver) < 0)
|
|
return -1;
|
|
|
|
wpa_s->drv_priv = wpa_drv_init(wpa_s, wpa_s->ifname);
|
|
if (wpa_s->drv_priv == NULL) {
|
|
const char *pos;
|
|
pos = driver ? os_strchr(driver, ',') : NULL;
|
|
if (pos) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize "
|
|
"driver interface - try next driver wrapper");
|
|
driver = pos + 1;
|
|
goto next_driver;
|
|
}
|
|
wpa_msg(wpa_s, MSG_ERROR, "Failed to initialize driver "
|
|
"interface");
|
|
return -1;
|
|
}
|
|
if (wpa_drv_set_param(wpa_s, wpa_s->conf->driver_param) < 0) {
|
|
wpa_msg(wpa_s, MSG_ERROR, "Driver interface rejected "
|
|
"driver_param '%s'", wpa_s->conf->driver_param);
|
|
return -1;
|
|
}
|
|
|
|
ifname = wpa_drv_get_ifname(wpa_s);
|
|
if (ifname && os_strcmp(ifname, wpa_s->ifname) != 0) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Driver interface replaced "
|
|
"interface name with '%s'", ifname);
|
|
os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
|
|
}
|
|
|
|
rn = wpa_driver_get_radio_name(wpa_s);
|
|
if (rn && rn[0] == '\0')
|
|
rn = NULL;
|
|
|
|
wpa_s->radio = radio_add_interface(wpa_s, rn);
|
|
if (wpa_s->radio == NULL)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_init_iface(struct wpa_supplicant *wpa_s,
|
|
struct wpa_interface *iface)
|
|
{
|
|
struct wpa_driver_capa capa;
|
|
|
|
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, NULL);
|
|
if (wpa_s->conf == NULL) {
|
|
wpa_printf(MSG_ERROR, "Failed to read or parse "
|
|
"configuration '%s'.", wpa_s->confname);
|
|
return -1;
|
|
}
|
|
wpa_s->confanother = os_rel2abs_path(iface->confanother);
|
|
wpa_config_read(wpa_s->confanother, wpa_s->conf);
|
|
|
|
#ifdef CONFIG_P2P
|
|
wpa_s->conf_p2p_dev = os_rel2abs_path(iface->conf_p2p_dev);
|
|
wpa_config_read(wpa_s->conf_p2p_dev, wpa_s->conf);
|
|
#endif /* CONFIG_P2P */
|
|
|
|
/*
|
|
* 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);
|
|
}
|
|
|
|
if (iface->p2p_mgmt && !iface->ctrl_interface) {
|
|
os_free(wpa_s->conf->ctrl_interface);
|
|
wpa_s->conf->ctrl_interface = NULL;
|
|
}
|
|
} 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. */
|
|
if (wpas_init_driver(wpa_s, iface) < 0)
|
|
return -1;
|
|
|
|
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)) {
|
|
wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for "
|
|
"dot11RSNAConfigPMKLifetime");
|
|
return -1;
|
|
}
|
|
|
|
if (wpa_s->conf->dot11RSNAConfigPMKReauthThreshold &&
|
|
wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
|
|
wpa_s->conf->dot11RSNAConfigPMKReauthThreshold)) {
|
|
wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for "
|
|
"dot11RSNAConfigPMKReauthThreshold");
|
|
return -1;
|
|
}
|
|
|
|
if (wpa_s->conf->dot11RSNAConfigSATimeout &&
|
|
wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT,
|
|
wpa_s->conf->dot11RSNAConfigSATimeout)) {
|
|
wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for "
|
|
"dot11RSNAConfigSATimeout");
|
|
return -1;
|
|
}
|
|
|
|
wpa_s->hw.modes = wpa_drv_get_hw_feature_data(wpa_s,
|
|
&wpa_s->hw.num_modes,
|
|
&wpa_s->hw.flags);
|
|
|
|
if (wpa_drv_get_capa(wpa_s, &capa) == 0) {
|
|
wpa_s->drv_capa_known = 1;
|
|
wpa_s->drv_flags = capa.flags;
|
|
wpa_s->drv_enc = capa.enc;
|
|
wpa_s->probe_resp_offloads = capa.probe_resp_offloads;
|
|
wpa_s->max_scan_ssids = capa.max_scan_ssids;
|
|
wpa_s->max_sched_scan_ssids = capa.max_sched_scan_ssids;
|
|
wpa_s->sched_scan_supported = capa.sched_scan_supported;
|
|
wpa_s->max_match_sets = capa.max_match_sets;
|
|
wpa_s->max_remain_on_chan = capa.max_remain_on_chan;
|
|
wpa_s->max_stations = capa.max_stations;
|
|
wpa_s->extended_capa = capa.extended_capa;
|
|
wpa_s->extended_capa_mask = capa.extended_capa_mask;
|
|
wpa_s->extended_capa_len = capa.extended_capa_len;
|
|
wpa_s->num_multichan_concurrent =
|
|
capa.num_multichan_concurrent;
|
|
}
|
|
if (wpa_s->max_remain_on_chan == 0)
|
|
wpa_s->max_remain_on_chan = 1000;
|
|
|
|
/*
|
|
* Only take p2p_mgmt parameters when P2P Device is supported.
|
|
* Doing it here as it determines whether l2_packet_init() will be done
|
|
* during wpa_supplicant_driver_init().
|
|
*/
|
|
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
|
|
wpa_s->p2p_mgmt = iface->p2p_mgmt;
|
|
else
|
|
iface->p2p_mgmt = 1;
|
|
|
|
if (wpa_s->num_multichan_concurrent == 0)
|
|
wpa_s->num_multichan_concurrent = 1;
|
|
|
|
if (wpa_supplicant_driver_init(wpa_s) < 0)
|
|
return -1;
|
|
|
|
#ifdef CONFIG_TDLS
|
|
if ((!iface->p2p_mgmt ||
|
|
!(wpa_s->drv_flags &
|
|
WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) &&
|
|
wpa_tdls_init(wpa_s->wpa))
|
|
return -1;
|
|
#endif /* CONFIG_TDLS */
|
|
|
|
if (wpa_s->conf->country[0] && wpa_s->conf->country[1] &&
|
|
wpa_drv_set_country(wpa_s, wpa_s->conf->country)) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Failed to set country");
|
|
return -1;
|
|
}
|
|
|
|
if (wpas_wps_init(wpa_s))
|
|
return -1;
|
|
|
|
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;
|
|
}
|
|
|
|
wpa_s->gas = gas_query_init(wpa_s);
|
|
if (wpa_s->gas == NULL) {
|
|
wpa_printf(MSG_ERROR, "Failed to initialize GAS query");
|
|
return -1;
|
|
}
|
|
|
|
#ifdef CONFIG_P2P
|
|
if (iface->p2p_mgmt && wpas_p2p_init(wpa_s->global, wpa_s) < 0) {
|
|
wpa_msg(wpa_s, MSG_ERROR, "Failed to init P2P");
|
|
return -1;
|
|
}
|
|
#endif /* CONFIG_P2P */
|
|
|
|
if (wpa_bss_init(wpa_s) < 0)
|
|
return -1;
|
|
|
|
#ifdef CONFIG_EAP_PROXY
|
|
{
|
|
size_t len;
|
|
wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, wpa_s->imsi,
|
|
&len);
|
|
if (wpa_s->mnc_len > 0) {
|
|
wpa_s->imsi[len] = '\0';
|
|
wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
|
|
wpa_s->imsi, wpa_s->mnc_len);
|
|
} else {
|
|
wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
|
|
}
|
|
}
|
|
#endif /* CONFIG_EAP_PROXY */
|
|
|
|
if (pcsc_reader_init(wpa_s) < 0)
|
|
return -1;
|
|
|
|
if (wpas_init_ext_pw(wpa_s) < 0)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_deinit_iface(struct wpa_supplicant *wpa_s,
|
|
int notify, int terminate)
|
|
{
|
|
wpa_s->disconnected = 1;
|
|
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);
|
|
}
|
|
|
|
wpa_supplicant_cleanup(wpa_s);
|
|
|
|
#ifdef CONFIG_P2P
|
|
if (wpa_s == wpa_s->global->p2p_init_wpa_s && wpa_s->global->p2p) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Disable P2P since removing "
|
|
"the management interface is being removed");
|
|
wpas_p2p_deinit_global(wpa_s->global);
|
|
}
|
|
#endif /* CONFIG_P2P */
|
|
|
|
wpas_ctrl_radio_work_flush(wpa_s);
|
|
radio_remove_interface(wpa_s);
|
|
|
|
if (wpa_s->drv_priv)
|
|
wpa_drv_deinit(wpa_s);
|
|
|
|
if (notify)
|
|
wpas_notify_iface_removed(wpa_s);
|
|
|
|
if (terminate)
|
|
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TERMINATING);
|
|
|
|
if (wpa_s->ctrl_iface) {
|
|
wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
|
|
wpa_s->ctrl_iface = NULL;
|
|
}
|
|
|
|
if (wpa_s->conf != NULL) {
|
|
wpa_config_free(wpa_s->conf);
|
|
wpa_s->conf = NULL;
|
|
}
|
|
|
|
os_free(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;
|
|
struct wpa_interface t_iface;
|
|
struct wpa_ssid *ssid;
|
|
|
|
if (global == NULL || iface == NULL)
|
|
return NULL;
|
|
|
|
wpa_s = wpa_supplicant_alloc();
|
|
if (wpa_s == NULL)
|
|
return NULL;
|
|
|
|
wpa_s->global = global;
|
|
|
|
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)) {
|
|
wpa_printf(MSG_DEBUG, "Failed to add interface %s",
|
|
iface->ifname);
|
|
wpa_supplicant_deinit_iface(wpa_s, 0, 0);
|
|
return NULL;
|
|
}
|
|
|
|
/* Notify the control interfaces about new iface */
|
|
if (wpas_notify_iface_added(wpa_s)) {
|
|
wpa_supplicant_deinit_iface(wpa_s, 1, 0);
|
|
return NULL;
|
|
}
|
|
|
|
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
|
|
wpas_notify_network_added(wpa_s, ssid);
|
|
|
|
wpa_s->next = global->ifaces;
|
|
global->ifaces = wpa_s;
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Added interface %s", wpa_s->ifname);
|
|
wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
|
|
|
|
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,
|
|
int terminate)
|
|
{
|
|
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;
|
|
}
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Removing interface %s", wpa_s->ifname);
|
|
|
|
if (global->p2p_group_formation == wpa_s)
|
|
global->p2p_group_formation = NULL;
|
|
if (global->p2p_invite_group == wpa_s)
|
|
global->p2p_invite_group = NULL;
|
|
wpa_supplicant_deinit_iface(wpa_s, 1, terminate);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
|
|
#ifndef CONFIG_NO_WPA_MSG
|
|
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;
|
|
}
|
|
#endif /* CONFIG_NO_WPA_MSG */
|
|
|
|
|
|
/**
|
|
* 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;
|
|
int ret, i;
|
|
|
|
if (params == NULL)
|
|
return NULL;
|
|
|
|
#ifdef CONFIG_DRIVER_NDIS
|
|
{
|
|
void driver_ndis_init_ops(void);
|
|
driver_ndis_init_ops();
|
|
}
|
|
#endif /* CONFIG_DRIVER_NDIS */
|
|
|
|
#ifndef CONFIG_NO_WPA_MSG
|
|
wpa_msg_register_ifname_cb(wpa_supplicant_msg_ifname_cb);
|
|
#endif /* CONFIG_NO_WPA_MSG */
|
|
|
|
wpa_debug_open_file(params->wpa_debug_file_path);
|
|
if (params->wpa_debug_syslog)
|
|
wpa_debug_open_syslog();
|
|
if (params->wpa_debug_tracing) {
|
|
ret = wpa_debug_open_linux_tracing();
|
|
if (ret) {
|
|
wpa_printf(MSG_ERROR,
|
|
"Failed to enable trace logging");
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
ret = eap_register_methods();
|
|
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;
|
|
dl_list_init(&global->p2p_srv_bonjour);
|
|
dl_list_init(&global->p2p_srv_upnp);
|
|
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);
|
|
if (params->ctrl_interface_group)
|
|
global->params.ctrl_interface_group =
|
|
os_strdup(params->ctrl_interface_group);
|
|
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);
|
|
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;
|
|
|
|
wpa_printf(MSG_DEBUG, "wpa_supplicant v" VERSION_STR);
|
|
|
|
if (eloop_init()) {
|
|
wpa_printf(MSG_ERROR, "Failed to initialize event loop");
|
|
wpa_supplicant_deinit(global);
|
|
return NULL;
|
|
}
|
|
|
|
random_init(params->entropy_file);
|
|
|
|
global->ctrl_iface = wpa_supplicant_global_ctrl_iface_init(global);
|
|
if (global->ctrl_iface == NULL) {
|
|
wpa_supplicant_deinit(global);
|
|
return NULL;
|
|
}
|
|
|
|
if (wpas_notify_supplicant_initialized(global)) {
|
|
wpa_supplicant_deinit(global);
|
|
return NULL;
|
|
}
|
|
|
|
for (i = 0; wpa_drivers[i]; i++)
|
|
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;
|
|
}
|
|
|
|
#ifdef CONFIG_WIFI_DISPLAY
|
|
if (wifi_display_init(global) < 0) {
|
|
wpa_printf(MSG_ERROR, "Failed to initialize Wi-Fi Display");
|
|
wpa_supplicant_deinit(global);
|
|
return NULL;
|
|
}
|
|
#endif /* CONFIG_WIFI_DISPLAY */
|
|
|
|
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);
|
|
}
|
|
|
|
eloop_register_signal_terminate(wpa_supplicant_terminate, global);
|
|
eloop_register_signal_reconfig(wpa_supplicant_reconfig, global);
|
|
|
|
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)
|
|
{
|
|
int i;
|
|
|
|
if (global == NULL)
|
|
return;
|
|
|
|
#ifdef CONFIG_WIFI_DISPLAY
|
|
wifi_display_deinit(global);
|
|
#endif /* CONFIG_WIFI_DISPLAY */
|
|
|
|
while (global->ifaces)
|
|
wpa_supplicant_remove_iface(global, global->ifaces, 1);
|
|
|
|
if (global->ctrl_iface)
|
|
wpa_supplicant_global_ctrl_iface_deinit(global->ctrl_iface);
|
|
|
|
wpas_notify_supplicant_deinitialized(global);
|
|
|
|
eap_peer_unregister_methods();
|
|
#ifdef CONFIG_AP
|
|
eap_server_unregister_methods();
|
|
#endif /* CONFIG_AP */
|
|
|
|
for (i = 0; wpa_drivers[i] && global->drv_priv; i++) {
|
|
if (!global->drv_priv[i])
|
|
continue;
|
|
wpa_drivers[i]->global_deinit(global->drv_priv[i]);
|
|
}
|
|
os_free(global->drv_priv);
|
|
|
|
random_deinit();
|
|
|
|
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);
|
|
os_free(global->params.ctrl_interface_group);
|
|
os_free(global->params.override_driver);
|
|
os_free(global->params.override_ctrl_interface);
|
|
|
|
os_free(global->p2p_disallow_freq.range);
|
|
os_free(global->p2p_go_avoid_freq.range);
|
|
os_free(global->add_psk);
|
|
|
|
os_free(global);
|
|
wpa_debug_close_syslog();
|
|
wpa_debug_close_file();
|
|
wpa_debug_close_linux_tracing();
|
|
}
|
|
|
|
|
|
void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s)
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
|
|
if (wpa_s->conf->changed_parameters & CFG_CHANGED_EXT_PW_BACKEND)
|
|
wpas_init_ext_pw(wpa_s);
|
|
|
|
#ifdef CONFIG_WPS
|
|
wpas_wps_update_config(wpa_s);
|
|
#endif /* CONFIG_WPS */
|
|
|
|
#ifdef CONFIG_P2P
|
|
wpas_p2p_update_config(wpa_s);
|
|
#endif /* CONFIG_P2P */
|
|
|
|
wpa_s->conf->changed_parameters = 0;
|
|
}
|
|
|
|
|
|
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;
|
|
|
|
wpas_connect_work_done(wpa_s);
|
|
|
|
/*
|
|
* Remove possible authentication timeout since the connection failed.
|
|
*/
|
|
eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL);
|
|
|
|
if (wpa_s->disconnected) {
|
|
/*
|
|
* There is no point in blacklisting the AP if this event is
|
|
* generated based on local request to disconnect.
|
|
*/
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Ignore connection failure "
|
|
"indication since interface has been put into "
|
|
"disconnected state");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* 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) {
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Another BSS in this ESS "
|
|
"has been seen; try it next");
|
|
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;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Add previous failure count in case the temporary blacklist was
|
|
* cleared due to no other BSSes being available.
|
|
*/
|
|
count += wpa_s->extra_blacklist_count;
|
|
|
|
if (count > 3 && wpa_s->current_ssid) {
|
|
wpa_printf(MSG_DEBUG, "Continuous association failures - "
|
|
"consider temporary network disabling");
|
|
wpas_auth_failed(wpa_s);
|
|
}
|
|
|
|
switch (count) {
|
|
case 1:
|
|
timeout = 100;
|
|
break;
|
|
case 2:
|
|
timeout = 500;
|
|
break;
|
|
case 3:
|
|
timeout = 1000;
|
|
break;
|
|
case 4:
|
|
timeout = 5000;
|
|
break;
|
|
default:
|
|
timeout = 10000;
|
|
break;
|
|
}
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Blacklist count %d --> request scan in %d "
|
|
"ms", count, timeout);
|
|
|
|
/*
|
|
* 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));
|
|
}
|
|
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
#if defined(CONFIG_CTRL_IFACE) || defined(CONFIG_CTRL_IFACE_DBUS_NEW)
|
|
int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
|
|
struct wpa_ssid *ssid,
|
|
const char *field,
|
|
const char *value)
|
|
{
|
|
#ifdef IEEE8021X_EAPOL
|
|
struct eap_peer_config *eap = &ssid->eap;
|
|
|
|
wpa_printf(MSG_DEBUG, "CTRL_IFACE: response handle field=%s", field);
|
|
wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: response value",
|
|
(const u8 *) value, os_strlen(value));
|
|
|
|
switch (wpa_supplicant_ctrl_req_from_string(field)) {
|
|
case WPA_CTRL_REQ_EAP_IDENTITY:
|
|
os_free(eap->identity);
|
|
eap->identity = (u8 *) os_strdup(value);
|
|
eap->identity_len = os_strlen(value);
|
|
eap->pending_req_identity = 0;
|
|
if (ssid == wpa_s->current_ssid)
|
|
wpa_s->reassociate = 1;
|
|
break;
|
|
case WPA_CTRL_REQ_EAP_PASSWORD:
|
|
os_free(eap->password);
|
|
eap->password = (u8 *) os_strdup(value);
|
|
eap->password_len = os_strlen(value);
|
|
eap->pending_req_password = 0;
|
|
if (ssid == wpa_s->current_ssid)
|
|
wpa_s->reassociate = 1;
|
|
break;
|
|
case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
|
|
os_free(eap->new_password);
|
|
eap->new_password = (u8 *) os_strdup(value);
|
|
eap->new_password_len = os_strlen(value);
|
|
eap->pending_req_new_password = 0;
|
|
if (ssid == wpa_s->current_ssid)
|
|
wpa_s->reassociate = 1;
|
|
break;
|
|
case WPA_CTRL_REQ_EAP_PIN:
|
|
os_free(eap->pin);
|
|
eap->pin = os_strdup(value);
|
|
eap->pending_req_pin = 0;
|
|
if (ssid == wpa_s->current_ssid)
|
|
wpa_s->reassociate = 1;
|
|
break;
|
|
case WPA_CTRL_REQ_EAP_OTP:
|
|
os_free(eap->otp);
|
|
eap->otp = (u8 *) os_strdup(value);
|
|
eap->otp_len = os_strlen(value);
|
|
os_free(eap->pending_req_otp);
|
|
eap->pending_req_otp = NULL;
|
|
eap->pending_req_otp_len = 0;
|
|
break;
|
|
case WPA_CTRL_REQ_EAP_PASSPHRASE:
|
|
os_free(eap->private_key_passwd);
|
|
eap->private_key_passwd = (u8 *) os_strdup(value);
|
|
eap->pending_req_passphrase = 0;
|
|
if (ssid == wpa_s->current_ssid)
|
|
wpa_s->reassociate = 1;
|
|
break;
|
|
case WPA_CTRL_REQ_SIM:
|
|
os_free(eap->external_sim_resp);
|
|
eap->external_sim_resp = os_strdup(value);
|
|
break;
|
|
default:
|
|
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", field);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
#else /* IEEE8021X_EAPOL */
|
|
wpa_printf(MSG_DEBUG, "CTRL_IFACE: IEEE 802.1X not included");
|
|
return -1;
|
|
#endif /* IEEE8021X_EAPOL */
|
|
}
|
|
#endif /* CONFIG_CTRL_IFACE || CONFIG_CTRL_IFACE_DBUS_NEW */
|
|
|
|
|
|
int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
|
|
{
|
|
int i;
|
|
unsigned int drv_enc;
|
|
|
|
if (ssid == NULL)
|
|
return 1;
|
|
|
|
if (ssid->disabled)
|
|
return 1;
|
|
|
|
if (wpa_s && wpa_s->drv_capa_known)
|
|
drv_enc = wpa_s->drv_enc;
|
|
else
|
|
drv_enc = (unsigned int) -1;
|
|
|
|
for (i = 0; i < NUM_WEP_KEYS; i++) {
|
|
size_t len = ssid->wep_key_len[i];
|
|
if (len == 0)
|
|
continue;
|
|
if (len == 5 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP40))
|
|
continue;
|
|
if (len == 13 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP104))
|
|
continue;
|
|
if (len == 16 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP128))
|
|
continue;
|
|
return 1; /* invalid WEP key */
|
|
}
|
|
|
|
if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set &&
|
|
(!ssid->passphrase || ssid->ssid_len != 0) && !ssid->ext_psk)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s)
|
|
{
|
|
if (wpa_s->global->conc_pref == WPA_CONC_PREF_P2P)
|
|
return 1;
|
|
if (wpa_s->global->conc_pref == WPA_CONC_PREF_STA)
|
|
return 0;
|
|
return -1;
|
|
}
|
|
|
|
|
|
void wpas_auth_failed(struct wpa_supplicant *wpa_s)
|
|
{
|
|
struct wpa_ssid *ssid = wpa_s->current_ssid;
|
|
int dur;
|
|
struct os_reltime now;
|
|
|
|
if (ssid == NULL) {
|
|
wpa_printf(MSG_DEBUG, "Authentication failure but no known "
|
|
"SSID block");
|
|
return;
|
|
}
|
|
|
|
if (ssid->key_mgmt == WPA_KEY_MGMT_WPS)
|
|
return;
|
|
|
|
ssid->auth_failures++;
|
|
|
|
#ifdef CONFIG_P2P
|
|
if (ssid->p2p_group &&
|
|
(wpa_s->p2p_in_provisioning || wpa_s->show_group_started)) {
|
|
/*
|
|
* Skip the wait time since there is a short timeout on the
|
|
* connection to a P2P group.
|
|
*/
|
|
return;
|
|
}
|
|
#endif /* CONFIG_P2P */
|
|
|
|
if (ssid->auth_failures > 50)
|
|
dur = 300;
|
|
else if (ssid->auth_failures > 10)
|
|
dur = 120;
|
|
else if (ssid->auth_failures > 5)
|
|
dur = 90;
|
|
else if (ssid->auth_failures > 3)
|
|
dur = 60;
|
|
else if (ssid->auth_failures > 2)
|
|
dur = 30;
|
|
else if (ssid->auth_failures > 1)
|
|
dur = 20;
|
|
else
|
|
dur = 10;
|
|
|
|
if (ssid->auth_failures > 1 &&
|
|
wpa_key_mgmt_wpa_ieee8021x(ssid->key_mgmt))
|
|
dur += os_random() % (ssid->auth_failures * 10);
|
|
|
|
os_get_reltime(&now);
|
|
if (now.sec + dur <= ssid->disabled_until.sec)
|
|
return;
|
|
|
|
ssid->disabled_until.sec = now.sec + dur;
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TEMP_DISABLED
|
|
"id=%d ssid=\"%s\" auth_failures=%u duration=%d",
|
|
ssid->id, wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
|
|
ssid->auth_failures, dur);
|
|
}
|
|
|
|
|
|
void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
|
|
struct wpa_ssid *ssid, int clear_failures)
|
|
{
|
|
if (ssid == NULL)
|
|
return;
|
|
|
|
if (ssid->disabled_until.sec) {
|
|
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_REENABLED
|
|
"id=%d ssid=\"%s\"",
|
|
ssid->id, wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
|
|
}
|
|
ssid->disabled_until.sec = 0;
|
|
ssid->disabled_until.usec = 0;
|
|
if (clear_failures)
|
|
ssid->auth_failures = 0;
|
|
}
|
|
|
|
|
|
int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid)
|
|
{
|
|
size_t i;
|
|
|
|
if (wpa_s->disallow_aps_bssid == NULL)
|
|
return 0;
|
|
|
|
for (i = 0; i < wpa_s->disallow_aps_bssid_count; i++) {
|
|
if (os_memcmp(wpa_s->disallow_aps_bssid + i * ETH_ALEN,
|
|
bssid, ETH_ALEN) == 0)
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
|
|
size_t ssid_len)
|
|
{
|
|
size_t i;
|
|
|
|
if (wpa_s->disallow_aps_ssid == NULL || ssid == NULL)
|
|
return 0;
|
|
|
|
for (i = 0; i < wpa_s->disallow_aps_ssid_count; i++) {
|
|
struct wpa_ssid_value *s = &wpa_s->disallow_aps_ssid[i];
|
|
if (ssid_len == s->ssid_len &&
|
|
os_memcmp(ssid, s->ssid, ssid_len) == 0)
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* wpas_request_connection - Request a new connection
|
|
* @wpa_s: Pointer to the network interface
|
|
*
|
|
* This function is used to request a new connection to be found. It will mark
|
|
* the interface to allow reassociation and request a new scan to find a
|
|
* suitable network to connect to.
|
|
*/
|
|
void wpas_request_connection(struct wpa_supplicant *wpa_s)
|
|
{
|
|
wpa_s->normal_scans = 0;
|
|
wpa_supplicant_reinit_autoscan(wpa_s);
|
|
wpa_s->extra_blacklist_count = 0;
|
|
wpa_s->disconnected = 0;
|
|
wpa_s->reassociate = 1;
|
|
|
|
if (wpa_supplicant_fast_associate(wpa_s) != 1)
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
|
}
|
|
|
|
|
|
void dump_freq_array(struct wpa_supplicant *wpa_s, const char *title,
|
|
int *freq_array, unsigned int len)
|
|
{
|
|
unsigned int i;
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "Shared frequencies (len=%u): %s",
|
|
len, title);
|
|
for (i = 0; i < len; i++)
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "freq[%u]: %d", i, freq_array[i]);
|
|
}
|
|
|
|
|
|
/*
|
|
* Find the operating frequencies of any of the virtual interfaces that
|
|
* are using the same radio as the current interface.
|
|
*/
|
|
int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
|
|
int *freq_array, unsigned int len)
|
|
{
|
|
struct wpa_supplicant *ifs;
|
|
u8 bssid[ETH_ALEN];
|
|
int freq;
|
|
unsigned int idx = 0, i;
|
|
|
|
wpa_dbg(wpa_s, MSG_DEBUG,
|
|
"Determining shared radio frequencies (max len %u)", len);
|
|
os_memset(freq_array, 0, sizeof(int) * len);
|
|
|
|
/* First add the frequency of the local interface */
|
|
if (wpa_s->current_ssid != NULL && wpa_s->assoc_freq != 0) {
|
|
if (wpa_s->current_ssid->mode == WPAS_MODE_AP ||
|
|
wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)
|
|
freq_array[idx++] = wpa_s->current_ssid->frequency;
|
|
else if (wpa_drv_get_bssid(wpa_s, bssid) == 0)
|
|
freq_array[idx++] = wpa_s->assoc_freq;
|
|
}
|
|
|
|
/* If get_radio_name is not supported, use only the local freq */
|
|
if (!wpa_driver_get_radio_name(wpa_s)) {
|
|
freq = wpa_drv_shared_freq(wpa_s);
|
|
if (freq > 0 && idx < len &&
|
|
(idx == 0 || freq_array[0] != freq))
|
|
freq_array[idx++] = freq;
|
|
dump_freq_array(wpa_s, "No get_radio_name", freq_array, idx);
|
|
return idx;
|
|
}
|
|
|
|
dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
|
|
radio_list) {
|
|
if (wpa_s == ifs)
|
|
continue;
|
|
|
|
if (ifs->current_ssid == NULL || ifs->assoc_freq == 0)
|
|
continue;
|
|
|
|
if (ifs->current_ssid->mode == WPAS_MODE_AP ||
|
|
ifs->current_ssid->mode == WPAS_MODE_P2P_GO)
|
|
freq = ifs->current_ssid->frequency;
|
|
else if (wpa_drv_get_bssid(ifs, bssid) == 0)
|
|
freq = ifs->assoc_freq;
|
|
else
|
|
continue;
|
|
|
|
/* Hold only distinct freqs */
|
|
for (i = 0; i < idx; i++)
|
|
if (freq_array[i] == freq)
|
|
break;
|
|
|
|
if (i == idx)
|
|
freq_array[idx++] = freq;
|
|
}
|
|
|
|
dump_freq_array(wpa_s, "completed iteration", freq_array, idx);
|
|
return idx;
|
|
}
|