diff -Nur wpa_supplicant-2.0.orig/wpa_supplicant/wpa_supplicant.c wpa_supplicant-2.0/wpa_supplicant/wpa_supplicant.c
--- wpa_supplicant-2.0.orig/wpa_supplicant/wpa_supplicant.c 2013-01-12 09:42:53.000000000 -0600
+++ wpa_supplicant-2.0/wpa_supplicant/wpa_supplicant.c 2013-05-11 14:09:34.586718122 -0500
@@ -1666,10 +1666,10 @@
if (assoc_failed) {
/* give IBSS a bit more time */
- timeout = ssid->mode == WPAS_MODE_IBSS ? 10 : 5;
+ timeout = ssid->mode == WPAS_MODE_IBSS ? 20 : 10;
} else if (wpa_s->conf->ap_scan == 1) {
/* give IBSS a bit more time */
- timeout = ssid->mode == WPAS_MODE_IBSS ? 20 : 10;
+ timeout = ssid->mode == WPAS_MODE_IBSS ? 20 : 20;
}
wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0);
}
diff -Nur wpa_supplicant-2.0.orig/wpa_supplicant/wpa_supplicant.c.orig wpa_supplicant-2.0/wpa_supplicant/wpa_supplicant.c.orig
--- wpa_supplicant-2.0.orig/wpa_supplicant/wpa_supplicant.c.orig 1969-12-31 18:00:00.000000000 -0600
+++ wpa_supplicant-2.0/wpa_supplicant/wpa_supplicant.c.orig 2013-01-12 09:42:53.000000000 -0600
@@ -0,0 +1,3796 @@
+/*
+ * WPA Supplicant
+ * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ *
+ * This file implements functions for registering and unregistering
+ * %wpa_supplicant interfaces. In addition, this file contains number of
+ * functions for managing network connections.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto/random.h"
+#include "crypto/sha1.h"
+#include "eapol_supp/eapol_supp_sm.h"
+#include "eap_peer/eap.h"
+#include "eap_server/eap_methods.h"
+#include "rsn_supp/wpa.h"
+#include "eloop.h"
+#include "config.h"
+#include "utils/ext_password.h"
+#include "l2_packet/l2_packet.h"
+#include "wpa_supplicant_i.h"
+#include "driver_i.h"
+#include "ctrl_iface.h"
+#include "pcsc_funcs.h"
+#include "common/version.h"
+#include "rsn_supp/preauth.h"
+#include "rsn_supp/pmksa_cache.h"
+#include "common/wpa_ctrl.h"
+#include "common/ieee802_11_defs.h"
+#include "p2p/p2p.h"
+#include "blacklist.h"
+#include "wpas_glue.h"
+#include "wps_supplicant.h"
+#include "ibss_rsn.h"
+#include "sme.h"
+#include "gas_query.h"
+#include "ap.h"
+#include "p2p_supplicant.h"
+#include "wifi_display.h"
+#include "notify.h"
+#include "bgscan.h"
+#include "autoscan.h"
+#include "bss.h"
+#include "scan.h"
+#include "offchannel.h"
+#include "hs20_supplicant.h"
+
+const char *wpa_supplicant_version =
+"wpa_supplicant v" VERSION_STR "\n"
+"Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> and contributors";
+
+const char *wpa_supplicant_license =
+"This software may be distributed under the terms of the BSD license.\n"
+"See README for more details.\n"
+#ifdef EAP_TLS_OPENSSL
+"\nThis product includes software developed by the OpenSSL Project\n"
+"for use in the OpenSSL Toolkit (http://www.openssl.org/)\n"
+#endif /* EAP_TLS_OPENSSL */
+;
+
+#ifndef CONFIG_NO_STDOUT_DEBUG
+/* Long text divided into parts in order to fit in C89 strings size limits. */
+const char *wpa_supplicant_full_license1 =
+"";
+const char *wpa_supplicant_full_license2 =
+"This software may be distributed under the terms of the BSD license.\n"
+"\n"
+"Redistribution and use in source and binary forms, with or without\n"
+"modification, are permitted provided that the following conditions are\n"
+"met:\n"
+"\n";
+const char *wpa_supplicant_full_license3 =
+"1. Redistributions of source code must retain the above copyright\n"
+" notice, this list of conditions and the following disclaimer.\n"
+"\n"
+"2. Redistributions in binary form must reproduce the above copyright\n"
+" notice, this list of conditions and the following disclaimer in the\n"
+" documentation and/or other materials provided with the distribution.\n"
+"\n";
+const char *wpa_supplicant_full_license4 =
+"3. Neither the name(s) of the above-listed copyright holder(s) nor the\n"
+" names of its contributors may be used to endorse or promote products\n"
+" derived from this software without specific prior written permission.\n"
+"\n"
+"THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n"
+"\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n"
+"LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n"
+"A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n";
+const char *wpa_supplicant_full_license5 =
+"OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n"
+"SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n"
+"LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n"
+"DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n"
+"THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n"
+"(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n"
+"OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"
+"\n";
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+extern int wpa_debug_level;
+extern int wpa_debug_show_keys;
+extern int wpa_debug_timestamp;
+extern struct wpa_driver_ops *wpa_drivers[];
+
+/* Configure default/group WEP keys for static WEP */
+int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
+{
+ int i, set = 0;
+
+ for (i = 0; i < NUM_WEP_KEYS; i++) {
+ if (ssid->wep_key_len[i] == 0)
+ continue;
+
+ set = 1;
+ wpa_drv_set_key(wpa_s, WPA_ALG_WEP, NULL,
+ i, i == ssid->wep_tx_keyidx, NULL, 0,
+ ssid->wep_key[i], ssid->wep_key_len[i]);
+ }
+
+ return set;
+}
+
+
+static int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid)
+{
+ u8 key[32];
+ size_t keylen;
+ enum wpa_alg alg;
+ u8 seq[6] = { 0 };
+
+ /* IBSS/WPA-None uses only one key (Group) for both receiving and
+ * sending unicast and multicast packets. */
+
+ if (ssid->mode != WPAS_MODE_IBSS) {
+ wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid mode %d (not "
+ "IBSS/ad-hoc) for WPA-None", ssid->mode);
+ return -1;
+ }
+
+ if (!ssid->psk_set) {
+ wpa_msg(wpa_s, MSG_INFO, "WPA: No PSK configured for "
+ "WPA-None");
+ return -1;
+ }
+
+ switch (wpa_s->group_cipher) {
+ case WPA_CIPHER_CCMP:
+ os_memcpy(key, ssid->psk, 16);
+ keylen = 16;
+ alg = WPA_ALG_CCMP;
+ break;
+ case WPA_CIPHER_GCMP:
+ os_memcpy(key, ssid->psk, 16);
+ keylen = 16;
+ alg = WPA_ALG_GCMP;
+ break;
+ case WPA_CIPHER_TKIP:
+ /* WPA-None uses the same Michael MIC key for both TX and RX */
+ os_memcpy(key, ssid->psk, 16 + 8);
+ os_memcpy(key + 16 + 8, ssid->psk + 16, 8);
+ keylen = 32;
+ alg = WPA_ALG_TKIP;
+ break;
+ default:
+ wpa_msg(wpa_s, MSG_INFO, "WPA: Invalid group cipher %d for "
+ "WPA-None", wpa_s->group_cipher);
+ return -1;
+ }
+
+ /* TODO: should actually remember the previously used seq#, both for TX
+ * and RX from each STA.. */
+
+ return wpa_drv_set_key(wpa_s, alg, NULL, 0, 1, seq, 6, key, keylen);
+}
+
+
+static void wpa_supplicant_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ const u8 *bssid = wpa_s->bssid;
+ if (is_zero_ether_addr(bssid))
+ bssid = wpa_s->pending_bssid;
+ wpa_msg(wpa_s, MSG_INFO, "Authentication with " MACSTR " timed out.",
+ MAC2STR(bssid));
+ wpa_blacklist_add(wpa_s, bssid);
+ wpa_sm_notify_disassoc(wpa_s->wpa);
+ wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
+ wpa_s->reassociate = 1;
+
+ /*
+ * If we timed out, the AP or the local radio may be busy.
+ * So, wait a second until scanning again.
+ */
+ wpa_supplicant_req_scan(wpa_s, 1, 0);
+
+#ifdef CONFIG_P2P
+ if (wpa_s->global->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
+ wpa_s->global->p2p != NULL) {
+ wpa_s->global->p2p_cb_on_scan_complete = 0;
+ if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
+ "continued after timed out authentication");
+ }
+ }
+#endif /* CONFIG_P2P */
+}
+
+
+/**
+ * wpa_supplicant_req_auth_timeout - Schedule a timeout for authentication
+ * @wpa_s: Pointer to wpa_supplicant data
+ * @sec: Number of seconds after which to time out authentication
+ * @usec: Number of microseconds after which to time out authentication
+ *
+ * This function is used to schedule a timeout for the current authentication
+ * attempt.
+ */
+void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
+ int sec, int usec)
+{
+ if (wpa_s->conf && wpa_s->conf->ap_scan == 0 &&
+ (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED))
+ return;
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "Setting authentication timeout: %d sec "
+ "%d usec", sec, usec);
+ eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL);
+ eloop_register_timeout(sec, usec, wpa_supplicant_timeout, wpa_s, NULL);
+}
+
+
+/**
+ * wpa_supplicant_cancel_auth_timeout - Cancel authentication timeout
+ * @wpa_s: Pointer to wpa_supplicant data
+ *
+ * This function is used to cancel authentication timeout scheduled with
+ * wpa_supplicant_req_auth_timeout() and it is called when authentication has
+ * been completed.
+ */
+void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s)
+{
+ wpa_dbg(wpa_s, MSG_DEBUG, "Cancelling authentication timeout");
+ eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL);
+ wpa_blacklist_del(wpa_s, wpa_s->bssid);
+}
+
+
+/**
+ * wpa_supplicant_initiate_eapol - Configure EAPOL state machine
+ * @wpa_s: Pointer to wpa_supplicant data
+ *
+ * This function is used to configure EAPOL state machine based on the selected
+ * authentication mode.
+ */
+void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s)
+{
+#ifdef IEEE8021X_EAPOL
+ struct eapol_config eapol_conf;
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+
+#ifdef CONFIG_IBSS_RSN
+ 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 EAPOL authentication.
+ */
+ eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized);
+ eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
+ eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE);
+ return;
+ }
+#endif /* CONFIG_IBSS_RSN */
+
+ eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
+ eapol_sm_notify_eap_fail(wpa_s->eapol, FALSE);
+
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
+ wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
+ eapol_sm_notify_portControl(wpa_s->eapol, ForceAuthorized);
+ else
+ eapol_sm_notify_portControl(wpa_s->eapol, Auto);
+
+ os_memset(&eapol_conf, 0, sizeof(eapol_conf));
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
+ eapol_conf.accept_802_1x_keys = 1;
+ eapol_conf.required_keys = 0;
+ if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_UNICAST) {
+ eapol_conf.required_keys |= EAPOL_REQUIRE_KEY_UNICAST;
+ }
+ if (ssid->eapol_flags & EAPOL_FLAG_REQUIRE_KEY_BROADCAST) {
+ eapol_conf.required_keys |=
+ EAPOL_REQUIRE_KEY_BROADCAST;
+ }
+
+ if (wpa_s->conf && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_WIRED))
+ eapol_conf.required_keys = 0;
+ }
+ if (wpa_s->conf)
+ eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
+ eapol_conf.workaround = ssid->eap_workaround;
+ eapol_conf.eap_disabled =
+ !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;
+ eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
+#endif /* IEEE8021X_EAPOL */
+}
+
+
+/**
+ * wpa_supplicant_set_non_wpa_policy - Set WPA parameters to non-WPA mode
+ * @wpa_s: Pointer to wpa_supplicant data
+ * @ssid: Configuration data for the network
+ *
+ * This function is used to configure WPA state machine and related parameters
+ * to a mode where WPA is not enabled. This is called as part of the
+ * authentication configuration when the selected network does not use WPA.
+ */
+void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid)
+{
+ int i;
+
+ if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
+ wpa_s->key_mgmt = WPA_KEY_MGMT_WPS;
+ else if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)
+ wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA;
+ else
+ wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
+ wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
+ wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
+ wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
+ wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
+ wpa_s->group_cipher = WPA_CIPHER_NONE;
+ wpa_s->mgmt_group_cipher = 0;
+
+ for (i = 0; i < NUM_WEP_KEYS; i++) {
+ if (ssid->wep_key_len[i] > 5) {
+ wpa_s->pairwise_cipher = WPA_CIPHER_WEP104;
+ wpa_s->group_cipher = WPA_CIPHER_WEP104;
+ break;
+ } else if (ssid->wep_key_len[i] > 0) {
+ wpa_s->pairwise_cipher = WPA_CIPHER_WEP40;
+ wpa_s->group_cipher = WPA_CIPHER_WEP40;
+ break;
+ }
+ }
+
+ wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED, 0);
+ wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt);
+ wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE,
+ wpa_s->pairwise_cipher);
+ wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher);
+#ifdef CONFIG_IEEE80211W
+ wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP,
+ wpa_s->mgmt_group_cipher);
+#endif /* CONFIG_IEEE80211W */
+
+ pmksa_cache_clear_current(wpa_s->wpa);
+}
+
+
+void free_hw_features(struct wpa_supplicant *wpa_s)
+{
+ int i;
+ if (wpa_s->hw.modes == NULL)
+ return;
+
+ for (i = 0; i < wpa_s->hw.num_modes; i++) {
+ os_free(wpa_s->hw.modes[i].channels);
+ os_free(wpa_s->hw.modes[i].rates);
+ }
+
+ os_free(wpa_s->hw.modes);
+ wpa_s->hw.modes = NULL;
+}
+
+
+static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s)
+{
+ bgscan_deinit(wpa_s);
+ autoscan_deinit(wpa_s);
+ scard_deinit(wpa_s->scard);
+ wpa_s->scard = NULL;
+ wpa_sm_set_scard_ctx(wpa_s->wpa, NULL);
+ eapol_sm_register_scard_ctx(wpa_s->eapol, NULL);
+ l2_packet_deinit(wpa_s->l2);
+ wpa_s->l2 = NULL;
+ if (wpa_s->l2_br) {
+ l2_packet_deinit(wpa_s->l2_br);
+ wpa_s->l2_br = NULL;
+ }
+
+ if (wpa_s->conf != NULL) {
+ struct wpa_ssid *ssid;
+ for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
+ wpas_notify_network_removed(wpa_s, ssid);
+ }
+
+ os_free(wpa_s->confname);
+ wpa_s->confname = NULL;
+
+ wpa_sm_set_eapol(wpa_s->wpa, NULL);
+ eapol_sm_deinit(wpa_s->eapol);
+ wpa_s->eapol = NULL;
+
+ rsn_preauth_deinit(wpa_s->wpa);
+
+#ifdef CONFIG_TDLS
+ wpa_tdls_deinit(wpa_s->wpa);
+#endif /* CONFIG_TDLS */
+
+ pmksa_candidate_free(wpa_s->wpa);
+ wpa_sm_deinit(wpa_s->wpa);
+ wpa_s->wpa = NULL;
+ wpa_blacklist_clear(wpa_s);
+
+ wpa_bss_deinit(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;
+
+ 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);
+
+ ext_password_deinit(wpa_s->ext_pw);
+ wpa_s->ext_pw = NULL;
+
+ wpabuf_free(wpa_s->last_gas_resp);
+
+ os_free(wpa_s->last_scan_res);
+ wpa_s->last_scan_res = NULL;
+}
+
+
+/**
+ * wpa_clear_keys - Clear keys configured for the driver
+ * @wpa_s: Pointer to wpa_supplicant data
+ * @addr: Previously used BSSID or %NULL if not available
+ *
+ * This function clears the encryption keys that has been previously configured
+ * for the driver.
+ */
+void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr)
+{
+ if (wpa_s->keys_cleared) {
+ /* Some drivers (e.g., ndiswrapper & NDIS drivers) seem to have
+ * timing issues with keys being cleared just before new keys
+ * are set or just after association or something similar. This
+ * shows up in group key handshake failing often because of the
+ * client not receiving the first encrypted packets correctly.
+ * Skipping some of the extra key clearing steps seems to help
+ * in completing group key handshake more reliably. */
+ wpa_dbg(wpa_s, MSG_DEBUG, "No keys have been configured - "
+ "skip key clearing");
+ return;
+ }
+
+ /* MLME-DELETEKEYS.request */
+ wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
+ wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
+ wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
+ wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
+#ifdef CONFIG_IEEE80211W
+ wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
+ wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
+#endif /* CONFIG_IEEE80211W */
+ if (addr) {
+ wpa_drv_set_key(wpa_s, WPA_ALG_NONE, addr, 0, 0, NULL, 0, NULL,
+ 0);
+ /* MLME-SETPROTECTION.request(None) */
+ wpa_drv_mlme_setprotection(
+ wpa_s, addr,
+ MLME_SETPROTECTION_PROTECT_TYPE_NONE,
+ MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
+ }
+ wpa_s->keys_cleared = 1;
+}
+
+
+/**
+ * wpa_supplicant_state_txt - Get the connection state name as a text string
+ * @state: State (wpa_state; WPA_*)
+ * Returns: The state name as a printable text string
+ */
+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)
+{
+ if (wpas_driver_bss_selection(wpa_s))
+ return;
+ if (wpa_s->current_ssid == wpa_s->bgscan_ssid)
+ return;
+
+ bgscan_deinit(wpa_s);
+ if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) {
+ if (bgscan_init(wpa_s, wpa_s->current_ssid)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize "
+ "bgscan");
+ /*
+ * Live without bgscan; it is only used as a roaming
+ * optimization, so the initial connection is not
+ * affected.
+ */
+ } else {
+ 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_SCANNING)
+ wpa_supplicant_notify_scanning(wpa_s, 0);
+
+ if (state == WPA_COMPLETED && wpa_s->new_connection) {
+#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+ wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- Connection to "
+ MACSTR " completed [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;
+#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
+ 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) {
+ if (wpas_wps_terminate_pending(wpa_s) == 1)
+ pending = 1;
+ wpa_s = 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);
+ if (conf == NULL) {
+ wpa_msg(wpa_s, MSG_ERROR, "Failed to parse the configuration "
+ "file '%s' - exiting", wpa_s->confname);
+ return -1;
+ }
+ 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);
+ }
+ }
+}
+
+
+enum wpa_cipher cipher_suite2driver(int cipher)
+{
+ switch (cipher) {
+ case WPA_CIPHER_NONE:
+ return CIPHER_NONE;
+ case WPA_CIPHER_WEP40:
+ return CIPHER_WEP40;
+ case WPA_CIPHER_WEP104:
+ return CIPHER_WEP104;
+ case WPA_CIPHER_CCMP:
+ return CIPHER_CCMP;
+ case WPA_CIPHER_GCMP:
+ return CIPHER_GCMP;
+ case WPA_CIPHER_TKIP:
+ default:
+ return CIPHER_TKIP;
+ }
+}
+
+
+enum wpa_key_mgmt key_mgmt2driver(int key_mgmt)
+{
+ switch (key_mgmt) {
+ case WPA_KEY_MGMT_NONE:
+ return KEY_MGMT_NONE;
+ case WPA_KEY_MGMT_IEEE8021X_NO_WPA:
+ return KEY_MGMT_802_1X_NO_WPA;
+ case WPA_KEY_MGMT_IEEE8021X:
+ return KEY_MGMT_802_1X;
+ case WPA_KEY_MGMT_WPA_NONE:
+ return KEY_MGMT_WPA_NONE;
+ case WPA_KEY_MGMT_FT_IEEE8021X:
+ return KEY_MGMT_FT_802_1X;
+ case WPA_KEY_MGMT_FT_PSK:
+ return KEY_MGMT_FT_PSK;
+ case WPA_KEY_MGMT_IEEE8021X_SHA256:
+ return KEY_MGMT_802_1X_SHA256;
+ case WPA_KEY_MGMT_PSK_SHA256:
+ return KEY_MGMT_PSK_SHA256;
+ case WPA_KEY_MGMT_WPS:
+ return KEY_MGMT_WPS;
+ case WPA_KEY_MGMT_PSK:
+ default:
+ return KEY_MGMT_PSK;
+ }
+}
+
+
+static int wpa_supplicant_suites_from_ai(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid,
+ struct wpa_ie_data *ie)
+{
+ int ret = wpa_sm_parse_own_wpa_ie(wpa_s->wpa, ie);
+ if (ret) {
+ if (ret == -2) {
+ wpa_msg(wpa_s, MSG_INFO, "WPA: Failed to parse WPA IE "
+ "from association info");
+ }
+ return -1;
+ }
+
+ 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;
+
+ if (bss) {
+ bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
+ bss_rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
+ } else
+ bss_wpa = bss_rsn = NULL;
+
+ if (bss_rsn && (ssid->proto & WPA_PROTO_RSN) &&
+ wpa_parse_wpa_ie(bss_rsn, 2 + bss_rsn[1], &ie) == 0 &&
+ (ie.group_cipher & ssid->group_cipher) &&
+ (ie.pairwise_cipher & ssid->pairwise_cipher) &&
+ (ie.key_mgmt & ssid->key_mgmt)) {
+ 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;
+ } else if (bss) {
+ wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select WPA/RSN");
+ return -1;
+ } else {
+ if (ssid->proto & WPA_PROTO_RSN)
+ proto = WPA_PROTO_RSN;
+ else
+ proto = WPA_PROTO_WPA;
+ if (wpa_supplicant_suites_from_ai(wpa_s, ssid, &ie) < 0) {
+ os_memset(&ie, 0, sizeof(ie));
+ ie.group_cipher = ssid->group_cipher;
+ ie.pairwise_cipher = ssid->pairwise_cipher;
+ ie.key_mgmt = ssid->key_mgmt;
+#ifdef CONFIG_IEEE80211W
+ ie.mgmt_group_cipher =
+ 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));
+
+ if (bss || !wpa_s->ap_ies_from_associnfo) {
+ if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
+ bss_wpa ? 2 + bss_wpa[1] : 0) ||
+ wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
+ bss_rsn ? 2 + bss_rsn[1] : 0))
+ return -1;
+ }
+
+ sel = ie.group_cipher & ssid->group_cipher;
+ if (sel & WPA_CIPHER_CCMP) {
+ wpa_s->group_cipher = WPA_CIPHER_CCMP;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK CCMP");
+ } else if (sel & WPA_CIPHER_GCMP) {
+ wpa_s->group_cipher = WPA_CIPHER_GCMP;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK GCMP");
+ } else if (sel & WPA_CIPHER_TKIP) {
+ wpa_s->group_cipher = WPA_CIPHER_TKIP;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK TKIP");
+ } else if (sel & WPA_CIPHER_WEP104) {
+ wpa_s->group_cipher = WPA_CIPHER_WEP104;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK WEP104");
+ } else if (sel & WPA_CIPHER_WEP40) {
+ wpa_s->group_cipher = WPA_CIPHER_WEP40;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK WEP40");
+ } else {
+ wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select group "
+ "cipher");
+ return -1;
+ }
+
+ sel = ie.pairwise_cipher & ssid->pairwise_cipher;
+ if (sel & WPA_CIPHER_CCMP) {
+ wpa_s->pairwise_cipher = WPA_CIPHER_CCMP;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK CCMP");
+ } else if (sel & WPA_CIPHER_GCMP) {
+ wpa_s->pairwise_cipher = WPA_CIPHER_GCMP;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK GCMP");
+ } else if (sel & WPA_CIPHER_TKIP) {
+ wpa_s->pairwise_cipher = WPA_CIPHER_TKIP;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK TKIP");
+ } else if (sel & WPA_CIPHER_NONE) {
+ wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK NONE");
+ } else {
+ wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select pairwise "
+ "cipher");
+ return -1;
+ }
+
+ 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");
+ } 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 {
+ 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;
+}
+
+
+int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf)
+{
+ u32 ext_capab = 0;
+ u8 *pos = buf;
+
+#ifdef CONFIG_INTERWORKING
+ if (wpa_s->conf->interworking)
+ ext_capab |= BIT(31); /* Interworking */
+#endif /* CONFIG_INTERWORKING */
+
+#ifdef CONFIG_WNM
+ ext_capab |= BIT(17); /* WNM-Sleep Mode */
+ ext_capab |= BIT(19); /* BSS Transition */
+#endif /* CONFIG_WNM */
+
+ if (!ext_capab)
+ return 0;
+
+ *pos++ = WLAN_EID_EXT_CAPAB;
+ *pos++ = 4;
+ WPA_PUT_LE32(pos, ext_capab);
+ pos += 4;
+
+ return pos - buf;
+}
+
+
+/**
+ * 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)
+{
+ u8 wpa_ie[200];
+ size_t wpa_ie_len;
+ int use_crypt, ret, i, bssid_changed;
+ int algs = WPA_AUTH_ALG_OPEN;
+ enum wpa_cipher cipher_pairwise, cipher_group;
+ struct wpa_driver_associate_params params;
+ int wep_keys_set = 0;
+ struct wpa_driver_capa capa;
+ int assoc_failed = 0;
+ struct wpa_ssid *old_ssid;
+ u8 ext_capab[10];
+ int ext_capab_len;
+#ifdef CONFIG_HT_OVERRIDES
+ struct ieee80211_ht_capabilities htcaps;
+ struct ieee80211_ht_capabilities htcaps_mask;
+#endif /* CONFIG_HT_OVERRIDES */
+
+#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);
+ 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;
+ }
+
+ os_memset(¶ms, 0, sizeof(params));
+ wpa_s->reassociate = 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,
+ wpa_s->current_ssid,
+ try_opportunistic) == 0)
+ eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1);
+ wpa_ie_len = sizeof(wpa_ie);
+ if (wpa_supplicant_set_suites(wpa_s, bss, ssid,
+ wpa_ie, &wpa_ie_len)) {
+ 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");
+ }
+ }
+#endif /* CONFIG_P2P */
+
+#ifdef CONFIG_HS20
+ if (wpa_s->conf->hs20) {
+ struct wpabuf *hs20;
+ hs20 = wpabuf_alloc(20);
+ if (hs20) {
+ wpas_hs20_add_indication(hs20);
+ 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 */
+
+ 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 = cipher_suite2driver(wpa_s->pairwise_cipher);
+ cipher_group = cipher_suite2driver(wpa_s->group_cipher);
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
+ wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE)
+ use_crypt = 0;
+ if (wpa_set_wep_keys(wpa_s, ssid)) {
+ use_crypt = 1;
+ wep_keys_set = 1;
+ }
+ }
+ 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 = 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;
+ }
+ } 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 */
+ params.wpa_ie = wpa_ie;
+ params.wpa_ie_len = wpa_ie_len;
+ params.pairwise_suite = cipher_pairwise;
+ params.group_suite = cipher_group;
+ params.key_mgmt_suite = key_mgmt2driver(wpa_s->key_mgmt);
+ 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 == KEY_MGMT_PSK ||
+ params.key_mgmt_suite == 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 */
+
+ 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_drv_get_capa(wpa_s, &capa) == 0 &&
+ capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC) {
+ /* Set static WEP keys again */
+ wpa_set_wep_keys(wpa_s, ssid);
+ }
+
+ if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) {
+ /*
+ * Do not allow EAP session resumption between different
+ * network configurations.
+ */
+ eapol_sm_invalidate_cached_session(wpa_s->eapol);
+ }
+ 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;
+ }
+
+ 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);
+}
+
+
+/**
+ * wpa_supplicant_enable_network - Mark a configured network as enabled
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * @ssid: wpa_ssid structure for a configured network or %NULL
+ *
+ * Enables the specified network or all networks if no network specified.
+ */
+void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid)
+{
+ struct wpa_ssid *other_ssid;
+ int was_disabled;
+
+ if (ssid == NULL) {
+ for (other_ssid = wpa_s->conf->ssid; other_ssid;
+ other_ssid = other_ssid->next) {
+ if (other_ssid->disabled == 2)
+ continue; /* do not change persistent P2P group
+ * data */
+ if (other_ssid == wpa_s->current_ssid &&
+ other_ssid->disabled)
+ wpa_s->reassociate = 1;
+
+ was_disabled = other_ssid->disabled;
+
+ other_ssid->disabled = 0;
+ if (was_disabled)
+ 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 (wpa_s->reassociate)
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+ } else if (ssid->disabled && ssid->disabled != 2) {
+ if (wpa_s->current_ssid == NULL) {
+ /*
+ * Try to reassociate since there is no current
+ * configuration and a new network was made available.
+ */
+ wpa_s->reassociate = 1;
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+ }
+
+ was_disabled = ssid->disabled;
+
+ ssid->disabled = 0;
+ wpas_clear_temp_disabled(wpa_s, ssid, 1);
+
+ if (was_disabled != ssid->disabled)
+ wpas_notify_network_enabled_changed(wpa_s, ssid);
+ }
+}
+
+
+/**
+ * wpa_supplicant_disable_network - Mark a configured network as disabled
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * @ssid: wpa_ssid structure for a configured network or %NULL
+ *
+ * Disables the specified network or all networks if no network specified.
+ */
+void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid)
+{
+ struct wpa_ssid *other_ssid;
+ int was_disabled;
+
+ if (ssid == NULL) {
+ 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);
+ }
+}
+
+
+/**
+ * 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;
+ wpa_s->connect_without_scan = NULL;
+ wpa_s->disconnected = 0;
+ wpa_s->reassociate = 1;
+ wpa_supplicant_req_scan(wpa_s, 0, disconnected ? 100000 : 0);
+
+ if (ssid)
+ wpas_notify_network_selected(wpa_s, ssid);
+}
+
+
+/**
+ * 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_s->scan_interval = 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);
+
+ 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_time(&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->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;
+ }
+
+ 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);
+
+ 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;
+
+ 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_supplicant_delayed_sched_scan(wpa_s, interface_count,
+ 100000))
+ wpa_supplicant_req_scan(wpa_s, interface_count,
+ 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;
+}
+
+
+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);
+}
+
+#endif /* CONFIG_HT_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(SCARD_TRY_BOTH, 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 int wpa_supplicant_init_iface(struct wpa_supplicant *wpa_s,
+ struct wpa_interface *iface)
+{
+ const char *ifname, *driver;
+ 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);
+ if (wpa_s->conf == NULL) {
+ wpa_printf(MSG_ERROR, "Failed to read or parse "
+ "configuration '%s'.", wpa_s->confname);
+ return -1;
+ }
+
+ /*
+ * Override ctrl_interface and driver_param if set on command
+ * line.
+ */
+ if (iface->ctrl_interface) {
+ os_free(wpa_s->conf->ctrl_interface);
+ wpa_s->conf->ctrl_interface =
+ os_strdup(iface->ctrl_interface);
+ }
+
+ if (iface->driver_param) {
+ os_free(wpa_s->conf->driver_param);
+ wpa_s->conf->driver_param =
+ os_strdup(iface->driver_param);
+ }
+ } else
+ wpa_s->conf = wpa_config_alloc_empty(iface->ctrl_interface,
+ iface->driver_param);
+
+ if (wpa_s->conf == NULL) {
+ wpa_printf(MSG_ERROR, "\nNo configuration found.");
+ return -1;
+ }
+
+ if (iface->ifname == NULL) {
+ wpa_printf(MSG_ERROR, "\nInterface name is required.");
+ return -1;
+ }
+ if (os_strlen(iface->ifname) >= sizeof(wpa_s->ifname)) {
+ wpa_printf(MSG_ERROR, "\nToo long interface name '%s'.",
+ iface->ifname);
+ return -1;
+ }
+ os_strlcpy(wpa_s->ifname, iface->ifname, sizeof(wpa_s->ifname));
+
+ if (iface->bridge_ifname) {
+ if (os_strlen(iface->bridge_ifname) >=
+ sizeof(wpa_s->bridge_ifname)) {
+ wpa_printf(MSG_ERROR, "\nToo long bridge interface "
+ "name '%s'.", iface->bridge_ifname);
+ return -1;
+ }
+ os_strlcpy(wpa_s->bridge_ifname, iface->bridge_ifname,
+ sizeof(wpa_s->bridge_ifname));
+ }
+
+ /* RSNA Supplicant Key Management - INITIALIZE */
+ eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
+ eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
+
+ /* Initialize driver interface and register driver event handler before
+ * L2 receive handler so that association events are processed before
+ * EAPOL-Key packets if both become available for the same select()
+ * call. */
+ 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));
+ }
+
+ 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;
+ }
+ if (wpa_s->max_remain_on_chan == 0)
+ wpa_s->max_remain_on_chan = 1000;
+
+ if (wpa_supplicant_driver_init(wpa_s) < 0)
+ return -1;
+
+#ifdef CONFIG_TDLS
+ if (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 (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;
+
+ 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)
+{
+ 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 */
+
+ 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;
+ }
+}
+
+
+/**
+ * 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);
+ os_free(wpa_s);
+ return NULL;
+ }
+
+ /* Notify the control interfaces about new iface */
+ if (wpas_notify_iface_added(wpa_s)) {
+ wpa_supplicant_deinit_iface(wpa_s, 1, 0);
+ os_free(wpa_s);
+ 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;
+ wpa_supplicant_deinit_iface(wpa_s, 1, terminate);
+ os_free(wpa_s);
+
+ 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->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 */
+#ifdef CONFIG_P2P
+ wpas_p2p_deinit_global(global);
+#endif /* CONFIG_P2P */
+
+ 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.override_driver);
+ os_free(global->params.override_ctrl_interface);
+
+ os_free(global->p2p_disallow_freq);
+
+ 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;
+
+ /*
+ * Remove possible authentication timeout since the connection failed.
+ */
+ eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL);
+
+ /*
+ * Add the failed BSSID into the blacklist and speed up next scan
+ * attempt if there could be other APs that could accept association.
+ * The current blacklist count indicates how many times we have tried
+ * connecting to this AP and multiple attempts mean that other APs are
+ * either not available or has already been tried, so that we can start
+ * increasing the delay here to avoid constant scanning.
+ */
+ count = wpa_blacklist_add(wpa_s, bssid);
+ if (count == 1 && wpa_s->current_bss) {
+ /*
+ * This BSS was not in the blacklist before. If there is
+ * another BSS available for the same ESS, we should try that
+ * next. Otherwise, we may as well try this one once more
+ * before allowing other, likely worse, ESSes to be considered.
+ */
+ freqs = get_bss_freqs_in_ess(wpa_s);
+ if (freqs) {
+ 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;
+
+ 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));
+
+#ifdef CONFIG_P2P
+ if (wpa_s->global->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
+ wpa_s->global->p2p != NULL) {
+ wpa_s->global->p2p_cb_on_scan_complete = 0;
+ if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
+ "continued after failed association");
+ }
+ }
+#endif /* CONFIG_P2P */
+}
+
+
+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;
+ 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->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_time 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++;
+ if (ssid->auth_failures > 50)
+ dur = 300;
+ else if (ssid->auth_failures > 20)
+ dur = 120;
+ else if (ssid->auth_failures > 10)
+ dur = 60;
+ else if (ssid->auth_failures > 5)
+ dur = 30;
+ else if (ssid->auth_failures > 1)
+ dur = 20;
+ else
+ dur = 10;
+
+ os_get_time(&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;
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+}