--- /dev/null
+/*
+ * WPA Supplicant
+ * Copyright (c) 2003-2016, 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"
+#ifdef CONFIG_MATCH_IFACE
+#include <net/if.h>
+#include <fnmatch.h>
+#endif /* CONFIG_MATCH_IFACE */
+
+#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_peer/eap_proxy.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 "common/hw_features_common.h"
+#include "p2p/p2p.h"
+#include "fst/fst.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"
+#include "wnm_sta.h"
+#include "wpas_kay.h"
+#include "mesh.h"
+
+const char *const wpa_supplicant_version =
+"wpa_supplicant v" VERSION_STR "\n"
+"Copyright (c) 2003-2016, Jouni Malinen <j@w1.fi> and contributors";
+
+const char *const 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 *const wpa_supplicant_full_license1 =
+"";
+const char *const 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 *const 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 *const 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 *const 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 */
+
+/* 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;
+}
+
+
+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 };
+ int ret;
+
+ /* 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.. */
+
+ ret = wpa_drv_set_key(wpa_s, alg, NULL, 0, 1, seq, 6, key, keylen);
+ os_memset(key, 0, sizeof(key));
+ return ret;
+}
+
+
+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(wpa_s->pending_bssid) &&
+ (wpa_s->wpa_state == WPA_AUTHENTICATING ||
+ wpa_s->wpa_state == WPA_ASSOCIATING))
+ 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);
+}
+
+
+/**
+ * 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->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->drv_flags & WPA_DRIVER_FLAGS_WIRED)
+ eapol_conf.required_keys = 0;
+ }
+ 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_conf.external_sim = wpa_s->conf->external_sim;
+
+#ifdef CONFIG_WPS
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) {
+ eapol_conf.wps |= EAPOL_LOCAL_WPS_IN_USE;
+ if (wpa_s->current_bss) {
+ struct wpabuf *ie;
+ ie = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
+ WPS_IE_VENDOR_TYPE);
+ if (ie) {
+ if (wps_is_20(ie))
+ eapol_conf.wps |=
+ EAPOL_PEER_IS_WPS20_AP;
+ wpabuf_free(ie);
+ }
+ }
+ }
+#endif /* CONFIG_WPS */
+
+ eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
+
+ ieee802_1x_alloc_kay_sm(wpa_s, ssid);
+#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 free_bss_tmp_disallowed(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_bss_tmp_disallowed *bss, *prev;
+
+ dl_list_for_each_safe(bss, prev, &wpa_s->bss_tmp_disallowed,
+ struct wpa_bss_tmp_disallowed, list) {
+ dl_list_del(&bss->list);
+ os_free(bss);
+ }
+}
+
+
+static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s)
+{
+ int i;
+
+ 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;
+ }
+#ifdef CONFIG_TESTING_OPTIONS
+ l2_packet_deinit(wpa_s->l2_test);
+ wpa_s->l2_test = NULL;
+#endif /* CONFIG_TESTING_OPTIONS */
+
+ 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;
+
+ os_free(wpa_s->confanother);
+ wpa_s->confanother = 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 */
+
+ wmm_ac_clear_saved_tspecs(wpa_s);
+ 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_delayed_sched_scan(wpa_s);
+ wpa_supplicant_cancel_scan(wpa_s);
+ wpa_supplicant_cancel_auth_timeout(wpa_s);
+ eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
+#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
+ eloop_cancel_timeout(wpa_supplicant_delayed_mic_error_report,
+ wpa_s, NULL);
+#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
+
+ eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
+
+ 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 */
+
+ wpas_p2p_deinit(wpa_s);
+
+#ifdef CONFIG_OFFCHANNEL
+ offchannel_deinit(wpa_s);
+#endif /* CONFIG_OFFCHANNEL */
+
+ wpa_supplicant_cancel_sched_scan(wpa_s);
+
+ os_free(wpa_s->next_scan_freqs);
+ wpa_s->next_scan_freqs = NULL;
+
+ os_free(wpa_s->manual_scan_freqs);
+ wpa_s->manual_scan_freqs = NULL;
+
+ os_free(wpa_s->manual_sched_scan_freqs);
+ wpa_s->manual_sched_scan_freqs = NULL;
+
+ wpas_mac_addr_rand_scan_clear(wpa_s, MAC_ADDR_RAND_ALL);
+
+ /*
+ * Need to remove any pending gas-query radio work before the
+ * gas_query_deinit() call because gas_query::work has not yet been set
+ * for works that have not been started. gas_query_free() will be unable
+ * to cancel such pending radio works and once the pending gas-query
+ * radio work eventually gets removed, the deinit notification call to
+ * gas_query_start_cb() would result in dereferencing freed memory.
+ */
+ if (wpa_s->radio)
+ radio_remove_works(wpa_s, "gas-query", 0);
+ gas_query_deinit(wpa_s->gas);
+ wpa_s->gas = NULL;
+
+ free_hw_features(wpa_s);
+
+ ieee802_1x_dealloc_kay_sm(wpa_s);
+
+ os_free(wpa_s->bssid_filter);
+ wpa_s->bssid_filter = NULL;
+
+ os_free(wpa_s->disallow_aps_bssid);
+ wpa_s->disallow_aps_bssid = NULL;
+ os_free(wpa_s->disallow_aps_ssid);
+ wpa_s->disallow_aps_ssid = NULL;
+
+ wnm_bss_keep_alive_deinit(wpa_s);
+#ifdef CONFIG_WNM
+ wnm_deallocate_memory(wpa_s);
+#endif /* CONFIG_WNM */
+
+ ext_password_deinit(wpa_s->ext_pw);
+ wpa_s->ext_pw = NULL;
+
+ wpabuf_free(wpa_s->last_gas_resp);
+ wpa_s->last_gas_resp = NULL;
+ wpabuf_free(wpa_s->prev_gas_resp);
+ wpa_s->prev_gas_resp = NULL;
+
+ os_free(wpa_s->last_scan_res);
+ wpa_s->last_scan_res = NULL;
+
+#ifdef CONFIG_HS20
+ if (wpa_s->drv_priv)
+ wpa_drv_configure_frame_filters(wpa_s, 0);
+ hs20_deinit(wpa_s);
+#endif /* CONFIG_HS20 */
+
+ for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
+ wpabuf_free(wpa_s->vendor_elem[i]);
+ wpa_s->vendor_elem[i] = NULL;
+ }
+
+ wmm_ac_notify_disassoc(wpa_s);
+
+ wpa_s->sched_scan_plans_num = 0;
+ os_free(wpa_s->sched_scan_plans);
+ wpa_s->sched_scan_plans = NULL;
+
+#ifdef CONFIG_MBO
+ wpa_s->non_pref_chan_num = 0;
+ os_free(wpa_s->non_pref_chan);
+ wpa_s->non_pref_chan = NULL;
+#endif /* CONFIG_MBO */
+
+ free_bss_tmp_disallowed(wpa_s);
+
+ wpabuf_free(wpa_s->lci);
+ wpa_s->lci = 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)
+{
+ int i, max;
+
+#ifdef CONFIG_IEEE80211W
+ max = 6;
+#else /* CONFIG_IEEE80211W */
+ max = 4;
+#endif /* CONFIG_IEEE80211W */
+
+ /* MLME-DELETEKEYS.request */
+ for (i = 0; i < max; i++) {
+ if (wpa_s->keys_cleared & BIT(i))
+ continue;
+ wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, i, 0, NULL, 0,
+ NULL, 0);
+ }
+ if (!(wpa_s->keys_cleared & BIT(0)) && addr &&
+ !is_zero_ether_addr(addr)) {
+ wpa_drv_set_key(wpa_s, WPA_ALG_NONE, addr, 0, 0, NULL, 0, NULL,
+ 0);
+ /* MLME-SETPROTECTION.request(None) */
+ wpa_drv_mlme_setprotection(
+ wpa_s, addr,
+ MLME_SETPROTECTION_PROTECT_TYPE_NONE,
+ MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
+ }
+ wpa_s->keys_cleared = (u32) -1;
+}
+
+
+/**
+ * wpa_supplicant_state_txt - Get the connection state name as a text string
+ * @state: State (wpa_state; WPA_*)
+ * Returns: The state name as a printable text string
+ */
+const char * wpa_supplicant_state_txt(enum wpa_states state)
+{
+ switch (state) {
+ case WPA_DISCONNECTED:
+ return "DISCONNECTED";
+ case WPA_INACTIVE:
+ return "INACTIVE";
+ case WPA_INTERFACE_DISABLED:
+ return "INTERFACE_DISABLED";
+ case WPA_SCANNING:
+ return "SCANNING";
+ case WPA_AUTHENTICATING:
+ return "AUTHENTICATING";
+ case WPA_ASSOCIATING:
+ return "ASSOCIATING";
+ case WPA_ASSOCIATED:
+ return "ASSOCIATED";
+ case WPA_4WAY_HANDSHAKE:
+ return "4WAY_HANDSHAKE";
+ case WPA_GROUP_HANDSHAKE:
+ return "GROUP_HANDSHAKE";
+ case WPA_COMPLETED:
+ return "COMPLETED";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+
+#ifdef CONFIG_BGSCAN
+
+static void wpa_supplicant_start_bgscan(struct wpa_supplicant *wpa_s)
+{
+ const char *name;
+
+ if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan)
+ name = wpa_s->current_ssid->bgscan;
+ else
+ name = wpa_s->conf->bgscan;
+ if (name == NULL || name[0] == '\0')
+ return;
+ if (wpas_driver_bss_selection(wpa_s))
+ return;
+ if (wpa_s->current_ssid == wpa_s->bgscan_ssid)
+ return;
+#ifdef CONFIG_P2P
+ if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE)
+ return;
+#endif /* CONFIG_P2P */
+
+ bgscan_deinit(wpa_s);
+ if (wpa_s->current_ssid) {
+ if (bgscan_init(wpa_s, wpa_s->current_ssid, name)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize "
+ "bgscan");
+ /*
+ * Live without bgscan; it is only used as a roaming
+ * optimization, so the initial connection is not
+ * affected.
+ */
+ } else {
+ struct wpa_scan_results *scan_res;
+ wpa_s->bgscan_ssid = wpa_s->current_ssid;
+ scan_res = wpa_supplicant_get_scan_results(wpa_s, NULL,
+ 0);
+ if (scan_res) {
+ bgscan_notify_scan(wpa_s, scan_res);
+ wpa_scan_results_free(scan_res);
+ }
+ }
+ } else
+ wpa_s->bgscan_ssid = NULL;
+}
+
+
+static void wpa_supplicant_stop_bgscan(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->bgscan_ssid != NULL) {
+ bgscan_deinit(wpa_s);
+ wpa_s->bgscan_ssid = NULL;
+ }
+}
+
+#endif /* CONFIG_BGSCAN */
+
+
+static void wpa_supplicant_start_autoscan(struct wpa_supplicant *wpa_s)
+{
+ if (autoscan_init(wpa_s, 0))
+ wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize autoscan");
+}
+
+
+static void wpa_supplicant_stop_autoscan(struct wpa_supplicant *wpa_s)
+{
+ autoscan_deinit(wpa_s);
+}
+
+
+void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->wpa_state == WPA_DISCONNECTED ||
+ wpa_s->wpa_state == WPA_SCANNING) {
+ autoscan_deinit(wpa_s);
+ wpa_supplicant_start_autoscan(wpa_s);
+ }
+}
+
+
+/**
+ * wpa_supplicant_set_state - Set current connection state
+ * @wpa_s: Pointer to wpa_supplicant data
+ * @state: The new connection state
+ *
+ * This function is called whenever the connection state changes, e.g.,
+ * association is completed for WPA/WPA2 4-Way Handshake is started.
+ */
+void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
+ enum wpa_states state)
+{
+ enum wpa_states old_state = wpa_s->wpa_state;
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "State: %s -> %s",
+ wpa_supplicant_state_txt(wpa_s->wpa_state),
+ wpa_supplicant_state_txt(state));
+
+ if (state == WPA_INTERFACE_DISABLED) {
+ /* Assure normal scan when interface is restored */
+ wpa_s->normal_scans = 0;
+ }
+
+ if (state == WPA_COMPLETED) {
+ wpas_connect_work_done(wpa_s);
+ /* Reinitialize normal_scan counter */
+ wpa_s->normal_scans = 0;
+ }
+
+#ifdef CONFIG_P2P
+ /*
+ * P2PS client has to reply to Probe Request frames received on the
+ * group operating channel. Enable Probe Request frame reporting for
+ * P2P connected client in case p2p_cli_probe configuration property is
+ * set to 1.
+ */
+ if (wpa_s->conf->p2p_cli_probe && wpa_s->current_ssid &&
+ wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
+ wpa_s->current_ssid->p2p_group) {
+ if (state == WPA_COMPLETED && !wpa_s->p2p_cli_probe) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Enable CLI Probe Request RX reporting");
+ wpa_s->p2p_cli_probe =
+ wpa_drv_probe_req_report(wpa_s, 1) >= 0;
+ } else if (state != WPA_COMPLETED && wpa_s->p2p_cli_probe) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "P2P: Disable CLI Probe Request RX reporting");
+ wpa_s->p2p_cli_probe = 0;
+ wpa_drv_probe_req_report(wpa_s, 0);
+ }
+ }
+#endif /* CONFIG_P2P */
+
+ if (state != WPA_SCANNING)
+ wpa_supplicant_notify_scanning(wpa_s, 0);
+
+ if (state == WPA_COMPLETED && wpa_s->new_connection) {
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
+ wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- Connection to "
+ MACSTR " completed [id=%d id_str=%s]",
+ MAC2STR(wpa_s->bssid),
+ ssid ? ssid->id : -1,
+ ssid && ssid->id_str ? ssid->id_str : "");
+#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
+ wpas_clear_temp_disabled(wpa_s, ssid, 1);
+ wpa_blacklist_clear(wpa_s);
+ wpa_s->extra_blacklist_count = 0;
+ wpa_s->new_connection = 0;
+ wpa_drv_set_operstate(wpa_s, 1);
+#ifndef IEEE8021X_EAPOL
+ wpa_drv_set_supp_port(wpa_s, 1);
+#endif /* IEEE8021X_EAPOL */
+ wpa_s->after_wps = 0;
+ wpa_s->known_wps_freq = 0;
+ wpas_p2p_completed(wpa_s);
+
+ sme_sched_obss_scan(wpa_s, 1);
+ } else if (state == WPA_DISCONNECTED || state == WPA_ASSOCIATING ||
+ state == WPA_ASSOCIATED) {
+ wpa_s->new_connection = 1;
+ wpa_drv_set_operstate(wpa_s, 0);
+#ifndef IEEE8021X_EAPOL
+ wpa_drv_set_supp_port(wpa_s, 0);
+#endif /* IEEE8021X_EAPOL */
+ sme_sched_obss_scan(wpa_s, 0);
+ }
+ wpa_s->wpa_state = state;
+
+#ifdef CONFIG_BGSCAN
+ if (state == WPA_COMPLETED)
+ wpa_supplicant_start_bgscan(wpa_s);
+ else if (state < WPA_ASSOCIATED)
+ wpa_supplicant_stop_bgscan(wpa_s);
+#endif /* CONFIG_BGSCAN */
+
+ if (state == WPA_AUTHENTICATING)
+ wpa_supplicant_stop_autoscan(wpa_s);
+
+ if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
+ wpa_supplicant_start_autoscan(wpa_s);
+
+ if (old_state >= WPA_ASSOCIATED && wpa_s->wpa_state < WPA_ASSOCIATED)
+ wmm_ac_notify_disassoc(wpa_s);
+
+ if (wpa_s->wpa_state != old_state) {
+ wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state);
+
+ /*
+ * Notify the P2P Device interface about a state change in one
+ * of the interfaces.
+ */
+ wpas_p2p_indicate_state_change(wpa_s);
+
+ if (wpa_s->wpa_state == WPA_COMPLETED ||
+ old_state == WPA_COMPLETED)
+ wpas_notify_auth_changed(wpa_s);
+ }
+}
+
+
+void wpa_supplicant_terminate_proc(struct wpa_global *global)
+{
+ int pending = 0;
+#ifdef CONFIG_WPS
+ struct wpa_supplicant *wpa_s = global->ifaces;
+ while (wpa_s) {
+ struct wpa_supplicant *next = wpa_s->next;
+ if (wpas_wps_terminate_pending(wpa_s) == 1)
+ pending = 1;
+#ifdef CONFIG_P2P
+ if (wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE ||
+ (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group))
+ wpas_p2p_disconnect(wpa_s);
+#endif /* CONFIG_P2P */
+ wpa_s = next;
+ }
+#endif /* CONFIG_WPS */
+ if (pending)
+ return;
+ eloop_terminate();
+}
+
+
+static void wpa_supplicant_terminate(int sig, void *signal_ctx)
+{
+ struct wpa_global *global = signal_ctx;
+ wpa_supplicant_terminate_proc(global);
+}
+
+
+void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s)
+{
+ enum wpa_states old_state = wpa_s->wpa_state;
+
+ wpa_s->pairwise_cipher = 0;
+ wpa_s->group_cipher = 0;
+ wpa_s->mgmt_group_cipher = 0;
+ wpa_s->key_mgmt = 0;
+ if (wpa_s->wpa_state != WPA_INTERFACE_DISABLED)
+ wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
+
+ if (wpa_s->wpa_state != old_state)
+ wpas_notify_state_changed(wpa_s, wpa_s->wpa_state, old_state);
+}
+
+
+/**
+ * wpa_supplicant_reload_configuration - Reload configuration data
+ * @wpa_s: Pointer to wpa_supplicant data
+ * Returns: 0 on success or -1 if configuration parsing failed
+ *
+ * This function can be used to request that the configuration data is reloaded
+ * (e.g., after configuration file change). This function is reloading
+ * configuration only for one interface, so this may need to be called multiple
+ * times if %wpa_supplicant is controlling multiple interfaces and all
+ * interfaces need reconfiguration.
+ */
+int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_config *conf;
+ int reconf_ctrl;
+ int old_ap_scan;
+
+ if (wpa_s->confname == NULL)
+ return -1;
+ conf = wpa_config_read(wpa_s->confname, NULL);
+ if (conf == NULL) {
+ wpa_msg(wpa_s, MSG_ERROR, "Failed to parse the configuration "
+ "file '%s' - exiting", wpa_s->confname);
+ return -1;
+ }
+ wpa_config_read(wpa_s->confanother, conf);
+
+ conf->changed_parameters = (unsigned int) -1;
+
+ reconf_ctrl = !!conf->ctrl_interface != !!wpa_s->conf->ctrl_interface
+ || (conf->ctrl_interface && wpa_s->conf->ctrl_interface &&
+ os_strcmp(conf->ctrl_interface,
+ wpa_s->conf->ctrl_interface) != 0);
+
+ if (reconf_ctrl && wpa_s->ctrl_iface) {
+ wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
+ wpa_s->ctrl_iface = NULL;
+ }
+
+ eapol_sm_invalidate_cached_session(wpa_s->eapol);
+ if (wpa_s->current_ssid) {
+ if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
+ wpa_s->own_disconnect_req = 1;
+ 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, openssl_ciphers.
+ */
+ 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);
+ }
+ }
+
+ if (wpa_debug_reopen_file() < 0) {
+ /* Ignore errors since we cannot really do much to fix this */
+ wpa_printf(MSG_DEBUG, "Could not reopen debug log file");
+ }
+}
+
+
+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) &&
+ wpas_get_ssid_pmf(wpa_s, ssid) == MGMT_FRAME_PROTECTION_REQUIRED) {
+ wpa_msg(wpa_s, MSG_INFO, "WPA: Driver associated with an AP "
+ "that does not support management frame protection - "
+ "reject");
+ return -1;
+ }
+#endif /* CONFIG_IEEE80211W */
+
+ return 0;
+}
+
+
+/**
+ * wpa_supplicant_set_suites - Set authentication and encryption parameters
+ * @wpa_s: Pointer to wpa_supplicant data
+ * @bss: Scan results for the selected BSS, or %NULL if not available
+ * @ssid: Configuration data for the selected network
+ * @wpa_ie: Buffer for the WPA/RSN IE
+ * @wpa_ie_len: Maximum wpa_ie buffer size on input. This is changed to be the
+ * used buffer length in case the functions returns success.
+ * Returns: 0 on success or -1 on failure
+ *
+ * This function is used to configure authentication and encryption parameters
+ * based on the network configuration and scan result for the selected BSS (if
+ * available).
+ */
+int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
+ struct wpa_bss *bss, struct wpa_ssid *ssid,
+ u8 *wpa_ie, size_t *wpa_ie_len)
+{
+ struct wpa_ie_data ie;
+ int sel, proto;
+ const u8 *bss_wpa, *bss_rsn, *bss_osen;
+
+ if (bss) {
+ bss_wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
+ bss_rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
+ bss_osen = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
+ } else
+ bss_wpa = bss_rsn = bss_osen = NULL;
+
+ if (bss_rsn && (ssid->proto & WPA_PROTO_RSN) &&
+ wpa_parse_wpa_ie(bss_rsn, 2 + bss_rsn[1], &ie) == 0 &&
+ (ie.group_cipher & ssid->group_cipher) &&
+ (ie.pairwise_cipher & ssid->pairwise_cipher) &&
+ (ie.key_mgmt & ssid->key_mgmt)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using IEEE 802.11i/D9.0");
+ proto = WPA_PROTO_RSN;
+ } else if (bss_wpa && (ssid->proto & WPA_PROTO_WPA) &&
+ wpa_parse_wpa_ie(bss_wpa, 2 + bss_wpa[1], &ie) == 0 &&
+ (ie.group_cipher & ssid->group_cipher) &&
+ (ie.pairwise_cipher & ssid->pairwise_cipher) &&
+ (ie.key_mgmt & ssid->key_mgmt)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using IEEE 802.11i/D3.0");
+ proto = WPA_PROTO_WPA;
+#ifdef CONFIG_HS20
+ } else if (bss_osen && (ssid->proto & WPA_PROTO_OSEN)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: using OSEN");
+ /* TODO: parse OSEN element */
+ os_memset(&ie, 0, sizeof(ie));
+ ie.group_cipher = WPA_CIPHER_CCMP;
+ ie.pairwise_cipher = WPA_CIPHER_CCMP;
+ ie.key_mgmt = WPA_KEY_MGMT_OSEN;
+ proto = WPA_PROTO_OSEN;
+#endif /* CONFIG_HS20 */
+ } else if (bss) {
+ wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select WPA/RSN");
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "WPA: ssid proto=0x%x pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x",
+ ssid->proto, ssid->pairwise_cipher, ssid->group_cipher,
+ ssid->key_mgmt);
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: BSS " MACSTR " ssid='%s'%s%s%s",
+ MAC2STR(bss->bssid),
+ wpa_ssid_txt(bss->ssid, bss->ssid_len),
+ bss_wpa ? " WPA" : "",
+ bss_rsn ? " RSN" : "",
+ bss_osen ? " OSEN" : "");
+ if (bss_rsn) {
+ wpa_hexdump(MSG_DEBUG, "RSN", bss_rsn, 2 + bss_rsn[1]);
+ if (wpa_parse_wpa_ie(bss_rsn, 2 + bss_rsn[1], &ie)) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "Could not parse RSN element");
+ } else {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "RSN: pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x",
+ ie.pairwise_cipher, ie.group_cipher,
+ ie.key_mgmt);
+ }
+ }
+ if (bss_wpa) {
+ wpa_hexdump(MSG_DEBUG, "WPA", bss_wpa, 2 + bss_wpa[1]);
+ if (wpa_parse_wpa_ie(bss_wpa, 2 + bss_wpa[1], &ie)) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "Could not parse WPA element");
+ } else {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "WPA: pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x",
+ ie.pairwise_cipher, ie.group_cipher,
+ ie.key_mgmt);
+ }
+ }
+ return -1;
+ } else {
+ if (ssid->proto & WPA_PROTO_OSEN)
+ proto = WPA_PROTO_OSEN;
+ else if (ssid->proto & WPA_PROTO_RSN)
+ proto = WPA_PROTO_RSN;
+ else
+ proto = WPA_PROTO_WPA;
+ if (wpa_supplicant_suites_from_ai(wpa_s, ssid, &ie) < 0) {
+ os_memset(&ie, 0, sizeof(ie));
+ ie.group_cipher = ssid->group_cipher;
+ ie.pairwise_cipher = ssid->pairwise_cipher;
+ ie.key_mgmt = ssid->key_mgmt;
+#ifdef CONFIG_IEEE80211W
+ ie.mgmt_group_cipher =
+ ssid->ieee80211w != NO_MGMT_FRAME_PROTECTION ?
+ WPA_CIPHER_AES_128_CMAC : 0;
+#endif /* CONFIG_IEEE80211W */
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Set cipher suites "
+ "based on configuration");
+ } else
+ proto = ie.proto;
+ }
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected cipher suites: group %d "
+ "pairwise %d key_mgmt %d proto %d",
+ ie.group_cipher, ie.pairwise_cipher, ie.key_mgmt, proto);
+#ifdef CONFIG_IEEE80211W
+ if (ssid->ieee80211w) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Selected mgmt group cipher %d",
+ ie.mgmt_group_cipher);
+ }
+#endif /* CONFIG_IEEE80211W */
+
+ wpa_s->wpa_proto = proto;
+ wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, proto);
+ wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_RSN_ENABLED,
+ !!(ssid->proto & (WPA_PROTO_RSN | WPA_PROTO_OSEN)));
+
+ if (bss || !wpa_s->ap_ies_from_associnfo) {
+ if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
+ bss_wpa ? 2 + bss_wpa[1] : 0) ||
+ wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
+ bss_rsn ? 2 + bss_rsn[1] : 0))
+ return -1;
+ }
+
+#ifdef CONFIG_NO_WPA
+ wpa_s->group_cipher = WPA_CIPHER_NONE;
+ wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
+#else /* CONFIG_NO_WPA */
+ sel = ie.group_cipher & ssid->group_cipher;
+ wpa_s->group_cipher = wpa_pick_group_cipher(sel);
+ if (wpa_s->group_cipher < 0) {
+ wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select group "
+ "cipher");
+ return -1;
+ }
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using GTK %s",
+ wpa_cipher_txt(wpa_s->group_cipher));
+
+ sel = ie.pairwise_cipher & ssid->pairwise_cipher;
+ wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(sel, 1);
+ if (wpa_s->pairwise_cipher < 0) {
+ wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select pairwise "
+ "cipher");
+ return -1;
+ }
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using PTK %s",
+ wpa_cipher_txt(wpa_s->pairwise_cipher));
+#endif /* CONFIG_NO_WPA */
+
+ 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_SUITEB192
+ } else if (sel & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
+ wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SUITE_B_192;
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "WPA: using KEY_MGMT 802.1X with Suite B (192-bit)");
+#endif /* CONFIG_SUITEB192 */
+#ifdef CONFIG_SUITEB
+ } else if (sel & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
+ wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SUITE_B;
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "WPA: using KEY_MGMT 802.1X with Suite B");
+#endif /* CONFIG_SUITEB */
+#ifdef CONFIG_IEEE80211R
+ } else if (sel & WPA_KEY_MGMT_FT_IEEE8021X) {
+ wpa_s->key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/802.1X");
+ } else if (sel & WPA_KEY_MGMT_FT_PSK) {
+ wpa_s->key_mgmt = WPA_KEY_MGMT_FT_PSK;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT FT/PSK");
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_SAE
+ } else if (sel & WPA_KEY_MGMT_SAE) {
+ wpa_s->key_mgmt = WPA_KEY_MGMT_SAE;
+ wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using KEY_MGMT SAE");
+ } else if (sel & WPA_KEY_MGMT_FT_SAE) {
+ wpa_s->key_mgmt = WPA_KEY_MGMT_FT_SAE;
+ wpa_dbg(wpa_s, MSG_DEBUG, "RSN: using KEY_MGMT FT/SAE");
+#endif /* CONFIG_SAE */
+#ifdef CONFIG_IEEE80211W
+ } else if (sel & WPA_KEY_MGMT_IEEE8021X_SHA256) {
+ wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256;
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "WPA: using KEY_MGMT 802.1X with SHA256");
+ } else if (sel & WPA_KEY_MGMT_PSK_SHA256) {
+ wpa_s->key_mgmt = WPA_KEY_MGMT_PSK_SHA256;
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "WPA: using KEY_MGMT PSK with SHA256");
+#endif /* CONFIG_IEEE80211W */
+ } else if (sel & WPA_KEY_MGMT_IEEE8021X) {
+ wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT 802.1X");
+ } else if (sel & WPA_KEY_MGMT_PSK) {
+ wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-PSK");
+ } else if (sel & WPA_KEY_MGMT_WPA_NONE) {
+ wpa_s->key_mgmt = WPA_KEY_MGMT_WPA_NONE;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using KEY_MGMT WPA-NONE");
+#ifdef CONFIG_HS20
+ } else if (sel & WPA_KEY_MGMT_OSEN) {
+ wpa_s->key_mgmt = WPA_KEY_MGMT_OSEN;
+ wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: using KEY_MGMT OSEN");
+#endif /* CONFIG_HS20 */
+ } else {
+ wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select "
+ "authenticated key management type");
+ return -1;
+ }
+
+ wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_KEY_MGMT, wpa_s->key_mgmt);
+ wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PAIRWISE,
+ wpa_s->pairwise_cipher);
+ wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_GROUP, wpa_s->group_cipher);
+
+#ifdef CONFIG_IEEE80211W
+ sel = ie.mgmt_group_cipher;
+ if (wpas_get_ssid_pmf(wpa_s, ssid) == NO_MGMT_FRAME_PROTECTION ||
+ !(ie.capabilities & WPA_CAPABILITY_MFPC))
+ sel = 0;
+ if (sel & WPA_CIPHER_AES_128_CMAC) {
+ wpa_s->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher "
+ "AES-128-CMAC");
+ } else if (sel & WPA_CIPHER_BIP_GMAC_128) {
+ wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_GMAC_128;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher "
+ "BIP-GMAC-128");
+ } else if (sel & WPA_CIPHER_BIP_GMAC_256) {
+ wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_GMAC_256;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher "
+ "BIP-GMAC-256");
+ } else if (sel & WPA_CIPHER_BIP_CMAC_256) {
+ wpa_s->mgmt_group_cipher = WPA_CIPHER_BIP_CMAC_256;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher "
+ "BIP-CMAC-256");
+ } else {
+ wpa_s->mgmt_group_cipher = 0;
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: not using MGMT group cipher");
+ }
+ wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MGMT_GROUP,
+ wpa_s->mgmt_group_cipher);
+ wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_MFP,
+ wpas_get_ssid_pmf(wpa_s, ssid));
+#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)) {
+ int psk_set = 0;
+
+ if (ssid->psk_set) {
+ wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN, NULL,
+ NULL);
+ psk_set = 1;
+ }
+#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, NULL, NULL);
+ psk_set = 1;
+ os_memset(psk, 0, sizeof(psk));
+ }
+#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, NULL,
+ NULL);
+ psk_set = 1;
+ os_memset(psk, 0, sizeof(psk));
+ } 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, NULL,
+ NULL);
+ psk_set = 1;
+ os_memset(psk, 0, sizeof(psk));
+ } 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 */
+
+ if (!psk_set) {
+ wpa_msg(wpa_s, MSG_INFO,
+ "No PSK available for association");
+ return -1;
+ }
+ } else
+ wpa_sm_set_pmk_from_pmksa(wpa_s->wpa);
+
+ return 0;
+}
+
+
+static void wpas_ext_capab_byte(struct wpa_supplicant *wpa_s, u8 *pos, int idx)
+{
+ *pos = 0x00;
+
+ switch (idx) {
+ case 0: /* Bits 0-7 */
+ break;
+ case 1: /* Bits 8-15 */
+ break;
+ case 2: /* Bits 16-23 */
+#ifdef CONFIG_WNM
+ *pos |= 0x02; /* Bit 17 - WNM-Sleep Mode */
+ *pos |= 0x08; /* Bit 19 - BSS Transition */
+#endif /* CONFIG_WNM */
+ break;
+ case 3: /* Bits 24-31 */
+#ifdef CONFIG_WNM
+ *pos |= 0x02; /* Bit 25 - SSID List */
+#endif /* CONFIG_WNM */
+#ifdef CONFIG_INTERWORKING
+ if (wpa_s->conf->interworking)
+ *pos |= 0x80; /* Bit 31 - Interworking */
+#endif /* CONFIG_INTERWORKING */
+ break;
+ case 4: /* Bits 32-39 */
+#ifdef CONFIG_INTERWORKING
+ if (wpa_s->drv_flags / WPA_DRIVER_FLAGS_QOS_MAPPING)
+ *pos |= 0x01; /* Bit 32 - QoS Map */
+#endif /* CONFIG_INTERWORKING */
+ break;
+ case 5: /* Bits 40-47 */
+#ifdef CONFIG_HS20
+ if (wpa_s->conf->hs20)
+ *pos |= 0x40; /* Bit 46 - WNM-Notification */
+#endif /* CONFIG_HS20 */
+#ifdef CONFIG_MBO
+ *pos |= 0x40; /* Bit 46 - WNM-Notification */
+#endif /* CONFIG_MBO */
+ break;
+ case 6: /* Bits 48-55 */
+ break;
+ case 7: /* Bits 56-63 */
+ break;
+ case 8: /* Bits 64-71 */
+ if (wpa_s->conf->ftm_responder)
+ *pos |= 0x40; /* Bit 70 - FTM responder */
+ if (wpa_s->conf->ftm_initiator)
+ *pos |= 0x80; /* Bit 71 - FTM initiator */
+ break;
+ }
+}
+
+
+int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen)
+{
+ u8 *pos = buf;
+ u8 len = 6, i;
+
+ if (len < 9 &&
+ (wpa_s->conf->ftm_initiator || wpa_s->conf->ftm_responder))
+ len = 9;
+ if (len < wpa_s->extended_capa_len)
+ len = wpa_s->extended_capa_len;
+ if (buflen < (size_t) len + 2) {
+ wpa_printf(MSG_INFO,
+ "Not enough room for building extended capabilities element");
+ return -1;
+ }
+
+ *pos++ = WLAN_EID_EXT_CAPAB;
+ *pos++ = len;
+ for (i = 0; i < len; i++, pos++) {
+ wpas_ext_capab_byte(wpa_s, pos, i);
+
+ if (i < wpa_s->extended_capa_len) {
+ *pos &= ~wpa_s->extended_capa_mask[i];
+ *pos |= wpa_s->extended_capa[i];
+ }
+ }
+
+ while (len > 0 && buf[1 + len] == 0) {
+ len--;
+ buf[1] = len;
+ }
+ if (len == 0)
+ return 0;
+
+ return 2 + len;
+}
+
+
+static int wpas_valid_bss(struct wpa_supplicant *wpa_s,
+ struct wpa_bss *test_bss)
+{
+ struct wpa_bss *bss;
+
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
+ if (bss == test_bss)
+ return 1;
+ }
+
+ return 0;
+}
+
+
+static int wpas_valid_ssid(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *test_ssid)
+{
+ struct wpa_ssid *ssid;
+
+ for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
+ if (ssid == test_ssid)
+ return 1;
+ }
+
+ return 0;
+}
+
+
+int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
+ struct wpa_ssid *test_ssid)
+{
+ if (test_bss && !wpas_valid_bss(wpa_s, test_bss))
+ return 0;
+
+ return test_ssid == NULL || wpas_valid_ssid(wpa_s, test_ssid);
+}
+
+
+void wpas_connect_work_free(struct wpa_connect_work *cwork)
+{
+ if (cwork == NULL)
+ return;
+ os_free(cwork);
+}
+
+
+void wpas_connect_work_done(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_connect_work *cwork;
+ struct wpa_radio_work *work = wpa_s->connect_work;
+
+ if (!work)
+ return;
+
+ wpa_s->connect_work = NULL;
+ cwork = work->ctx;
+ work->ctx = NULL;
+ wpas_connect_work_free(cwork);
+ radio_work_done(work);
+}
+
+
+int wpas_update_random_addr(struct wpa_supplicant *wpa_s, int style)
+{
+ struct os_reltime now;
+ u8 addr[ETH_ALEN];
+
+ os_get_reltime(&now);
+ if (wpa_s->last_mac_addr_style == style &&
+ wpa_s->last_mac_addr_change.sec != 0 &&
+ !os_reltime_expired(&now, &wpa_s->last_mac_addr_change,
+ wpa_s->conf->rand_addr_lifetime)) {
+ wpa_msg(wpa_s, MSG_DEBUG,
+ "Previously selected random MAC address has not yet expired");
+ return 0;
+ }
+
+ switch (style) {
+ case 1:
+ if (random_mac_addr(addr) < 0)
+ return -1;
+ break;
+ case 2:
+ os_memcpy(addr, wpa_s->perm_addr, ETH_ALEN);
+ if (random_mac_addr_keep_oui(addr) < 0)
+ return -1;
+ break;
+ default:
+ return -1;
+ }
+
+ if (wpa_drv_set_mac_addr(wpa_s, addr) < 0) {
+ wpa_msg(wpa_s, MSG_INFO,
+ "Failed to set random MAC address");
+ return -1;
+ }
+
+ os_get_reltime(&wpa_s->last_mac_addr_change);
+ wpa_s->mac_addr_changed = 1;
+ wpa_s->last_mac_addr_style = style;
+
+ if (wpa_supplicant_update_mac_addr(wpa_s) < 0) {
+ wpa_msg(wpa_s, MSG_INFO,
+ "Could not update MAC address information");
+ return -1;
+ }
+
+ wpa_msg(wpa_s, MSG_DEBUG, "Using random MAC address " MACSTR,
+ MAC2STR(addr));
+
+ return 0;
+}
+
+
+int wpas_update_random_addr_disassoc(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->wpa_state >= WPA_AUTHENTICATING ||
+ !wpa_s->conf->preassoc_mac_addr)
+ return 0;
+
+ return wpas_update_random_addr(wpa_s, wpa_s->conf->preassoc_mac_addr);
+}
+
+
+static void wpas_start_assoc_cb(struct wpa_radio_work *work, int deinit);
+
+/**
+ * wpa_supplicant_associate - Request association
+ * @wpa_s: Pointer to wpa_supplicant data
+ * @bss: Scan results for the selected BSS, or %NULL if not available
+ * @ssid: Configuration data for the selected network
+ *
+ * This function is used to request %wpa_supplicant to associate with a BSS.
+ */
+void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
+ struct wpa_bss *bss, struct wpa_ssid *ssid)
+{
+ struct wpa_connect_work *cwork;
+ int rand_style;
+
+ wpa_s->own_disconnect_req = 0;
+
+ /*
+ * If we are starting a new connection, any previously pending EAPOL
+ * RX cannot be valid anymore.
+ */
+ wpabuf_free(wpa_s->pending_eapol_rx);
+ wpa_s->pending_eapol_rx = NULL;
+
+ if (ssid->mac_addr == -1)
+ rand_style = wpa_s->conf->mac_addr;
+ else
+ rand_style = ssid->mac_addr;
+
+ wmm_ac_clear_saved_tspecs(wpa_s);
+ wpa_s->reassoc_same_bss = 0;
+ wpa_s->reassoc_same_ess = 0;
+
+ if (wpa_s->last_ssid == ssid) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Re-association to the same ESS");
+ wpa_s->reassoc_same_ess = 1;
+ if (wpa_s->current_bss && wpa_s->current_bss == bss) {
+ wmm_ac_save_tspecs(wpa_s);
+ wpa_s->reassoc_same_bss = 1;
+ }
+ } else if (rand_style > 0) {
+ if (wpas_update_random_addr(wpa_s, rand_style) < 0)
+ return;
+ wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
+ } else if (wpa_s->mac_addr_changed) {
+ if (wpa_drv_set_mac_addr(wpa_s, NULL) < 0) {
+ wpa_msg(wpa_s, MSG_INFO,
+ "Could not restore permanent MAC address");
+ return;
+ }
+ wpa_s->mac_addr_changed = 0;
+ if (wpa_supplicant_update_mac_addr(wpa_s) < 0) {
+ wpa_msg(wpa_s, MSG_INFO,
+ "Could not update MAC address information");
+ return;
+ }
+ wpa_msg(wpa_s, MSG_DEBUG, "Using permanent MAC address");
+ }
+ wpa_s->last_ssid = ssid;
+
+#ifdef CONFIG_IBSS_RSN
+ ibss_rsn_deinit(wpa_s->ibss_rsn);
+ wpa_s->ibss_rsn = NULL;
+#endif /* CONFIG_IBSS_RSN */
+
+ if (ssid->mode == WPAS_MODE_AP || ssid->mode == WPAS_MODE_P2P_GO ||
+ ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
+#ifdef CONFIG_AP
+ if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP)) {
+ wpa_msg(wpa_s, MSG_INFO, "Driver does not support AP "
+ "mode");
+ return;
+ }
+ if (wpa_supplicant_create_ap(wpa_s, ssid) < 0) {
+ wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
+ if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
+ wpas_p2p_ap_setup_failed(wpa_s);
+ return;
+ }
+ wpa_s->current_bss = bss;
+#else /* CONFIG_AP */
+ wpa_msg(wpa_s, MSG_ERROR, "AP mode support not included in "
+ "the build");
+#endif /* CONFIG_AP */
+ return;
+ }
+
+ if (ssid->mode == WPAS_MODE_MESH) {
+#ifdef CONFIG_MESH
+ if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_MESH)) {
+ wpa_msg(wpa_s, MSG_INFO,
+ "Driver does not support mesh mode");
+ return;
+ }
+ if (bss)
+ ssid->frequency = bss->freq;
+ if (wpa_supplicant_join_mesh(wpa_s, ssid) < 0) {
+ wpa_msg(wpa_s, MSG_ERROR, "Could not join mesh");
+ return;
+ }
+ wpa_s->current_bss = bss;
+ wpa_msg(wpa_s, MSG_INFO, MESH_GROUP_STARTED "ssid=\"%s\" id=%d",
+ wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
+ ssid->id);
+#else /* CONFIG_MESH */
+ wpa_msg(wpa_s, MSG_ERROR,
+ "mesh mode support not included in the build");
+#endif /* CONFIG_MESH */
+ return;
+ }
+
+#ifdef CONFIG_TDLS
+ if (bss)
+ wpa_tdls_ap_ies(wpa_s->wpa, (const u8 *) (bss + 1),
+ bss->ie_len);
+#endif /* CONFIG_TDLS */
+
+ if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
+ ssid->mode == IEEE80211_MODE_INFRA) {
+ sme_authenticate(wpa_s, bss, ssid);
+ return;
+ }
+
+ if (wpa_s->connect_work) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Reject wpa_supplicant_associate() call since connect_work exist");
+ return;
+ }
+
+ if (radio_work_pending(wpa_s, "connect")) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Reject wpa_supplicant_associate() call since pending work exist");
+ return;
+ }
+
+ wpas_abort_ongoing_scan(wpa_s);
+
+ cwork = os_zalloc(sizeof(*cwork));
+ if (cwork == NULL)
+ return;
+
+ cwork->bss = bss;
+ cwork->ssid = ssid;
+
+ if (radio_add_work(wpa_s, bss ? bss->freq : 0, "connect", 1,
+ wpas_start_assoc_cb, cwork) < 0) {
+ os_free(cwork);
+ }
+}
+
+
+static int bss_is_ibss(struct wpa_bss *bss)
+{
+ return (bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
+ IEEE80211_CAP_IBSS;
+}
+
+
+static int drv_supports_vht(struct wpa_supplicant *wpa_s,
+ const struct wpa_ssid *ssid)
+{
+ enum hostapd_hw_mode hw_mode;
+ struct hostapd_hw_modes *mode = NULL;
+ u8 channel;
+ int i;
+
+#ifdef CONFIG_HT_OVERRIDES
+ if (ssid->disable_ht)
+ return 0;
+#endif /* CONFIG_HT_OVERRIDES */
+
+ hw_mode = ieee80211_freq_to_chan(ssid->frequency, &channel);
+ if (hw_mode == NUM_HOSTAPD_MODES)
+ return 0;
+ for (i = 0; wpa_s->hw.modes && i < wpa_s->hw.num_modes; i++) {
+ if (wpa_s->hw.modes[i].mode == hw_mode) {
+ mode = &wpa_s->hw.modes[i];
+ break;
+ }
+ }
+
+ if (!mode)
+ return 0;
+
+ return mode->vht_capab != 0;
+}
+
+
+void ibss_mesh_setup_freq(struct wpa_supplicant *wpa_s,
+ const struct wpa_ssid *ssid,
+ struct hostapd_freq_params *freq)
+{
+ enum hostapd_hw_mode hw_mode;
+ struct hostapd_hw_modes *mode = NULL;
+ int ht40plus[] = { 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157,
+ 184, 192 };
+ int vht80[] = { 36, 52, 100, 116, 132, 149 };
+ struct hostapd_channel_data *pri_chan = NULL, *sec_chan = NULL;
+ u8 channel;
+ int i, chan_idx, ht40 = -1, res, obss_scan = 1;
+ unsigned int j, k;
+ struct hostapd_freq_params vht_freq;
+ int chwidth, seg0, seg1;
+ u32 vht_caps = 0;
+
+ freq->freq = ssid->frequency;
+
+ for (j = 0; j < wpa_s->last_scan_res_used; j++) {
+ struct wpa_bss *bss = wpa_s->last_scan_res[j];
+
+ if (ssid->mode != WPAS_MODE_IBSS)
+ break;
+
+ /* Don't adjust control freq in case of fixed_freq */
+ if (ssid->fixed_freq)
+ break;
+
+ if (!bss_is_ibss(bss))
+ continue;
+
+ if (ssid->ssid_len == bss->ssid_len &&
+ os_memcmp(ssid->ssid, bss->ssid, bss->ssid_len) == 0) {
+ wpa_printf(MSG_DEBUG,
+ "IBSS already found in scan results, adjust control freq: %d",
+ bss->freq);
+ freq->freq = bss->freq;
+ obss_scan = 0;
+ break;
+ }
+ }
+
+ /* For IBSS check HT_IBSS flag */
+ if (ssid->mode == WPAS_MODE_IBSS &&
+ !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_HT_IBSS))
+ return;
+
+ if (wpa_s->group_cipher == WPA_CIPHER_WEP40 ||
+ wpa_s->group_cipher == WPA_CIPHER_WEP104 ||
+ wpa_s->pairwise_cipher == WPA_CIPHER_TKIP) {
+ wpa_printf(MSG_DEBUG,
+ "IBSS: WEP/TKIP detected, do not try to enable HT");
+ return;
+ }
+
+ hw_mode = ieee80211_freq_to_chan(freq->freq, &channel);
+ for (i = 0; wpa_s->hw.modes && i < wpa_s->hw.num_modes; i++) {
+ if (wpa_s->hw.modes[i].mode == hw_mode) {
+ mode = &wpa_s->hw.modes[i];
+ break;
+ }
+ }
+
+ if (!mode)
+ return;
+
+#ifdef CONFIG_HT_OVERRIDES
+ if (ssid->disable_ht) {
+ freq->ht_enabled = 0;
+ return;
+ }
+#endif /* CONFIG_HT_OVERRIDES */
+
+ freq->ht_enabled = ht_supported(mode);
+ if (!freq->ht_enabled)
+ return;
+
+ /* Setup higher BW only for 5 GHz */
+ if (mode->mode != HOSTAPD_MODE_IEEE80211A)
+ return;
+
+ for (chan_idx = 0; chan_idx < mode->num_channels; chan_idx++) {
+ pri_chan = &mode->channels[chan_idx];
+ if (pri_chan->chan == channel)
+ break;
+ pri_chan = NULL;
+ }
+ if (!pri_chan)
+ return;
+
+ /* Check primary channel flags */
+ if (pri_chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR))
+ return;
+
+#ifdef CONFIG_HT_OVERRIDES
+ if (ssid->disable_ht40)
+ return;
+#endif /* CONFIG_HT_OVERRIDES */
+
+ /* Check/setup HT40+/HT40- */
+ for (j = 0; j < ARRAY_SIZE(ht40plus); j++) {
+ if (ht40plus[j] == channel) {
+ ht40 = 1;
+ break;
+ }
+ }
+
+ /* Find secondary channel */
+ for (i = 0; i < mode->num_channels; i++) {
+ sec_chan = &mode->channels[i];
+ if (sec_chan->chan == channel + ht40 * 4)
+ break;
+ sec_chan = NULL;
+ }
+ if (!sec_chan)
+ return;
+
+ /* Check secondary channel flags */
+ if (sec_chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR))
+ return;
+
+ freq->channel = pri_chan->chan;
+
+ if (ht40 == -1) {
+ if (!(pri_chan->flag & HOSTAPD_CHAN_HT40MINUS))
+ return;
+ } else {
+ if (!(pri_chan->flag & HOSTAPD_CHAN_HT40PLUS))
+ return;
+ }
+ freq->sec_channel_offset = ht40;
+
+ if (obss_scan) {
+ struct wpa_scan_results *scan_res;
+
+ scan_res = wpa_supplicant_get_scan_results(wpa_s, NULL, 0);
+ if (scan_res == NULL) {
+ /* Back to HT20 */
+ freq->sec_channel_offset = 0;
+ return;
+ }
+
+ res = check_40mhz_5g(mode, scan_res, pri_chan->chan,
+ sec_chan->chan);
+ switch (res) {
+ case 0:
+ /* Back to HT20 */
+ freq->sec_channel_offset = 0;
+ break;
+ case 1:
+ /* Configuration allowed */
+ break;
+ case 2:
+ /* Switch pri/sec channels */
+ freq->freq = hw_get_freq(mode, sec_chan->chan);
+ freq->sec_channel_offset = -freq->sec_channel_offset;
+ freq->channel = sec_chan->chan;
+ break;
+ default:
+ freq->sec_channel_offset = 0;
+ break;
+ }
+
+ wpa_scan_results_free(scan_res);
+ }
+
+ wpa_printf(MSG_DEBUG,
+ "IBSS/mesh: setup freq channel %d, sec_channel_offset %d",
+ freq->channel, freq->sec_channel_offset);
+
+ if (!drv_supports_vht(wpa_s, ssid))
+ return;
+
+ /* For IBSS check VHT_IBSS flag */
+ if (ssid->mode == WPAS_MODE_IBSS &&
+ !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_VHT_IBSS))
+ return;
+
+ vht_freq = *freq;
+
+ vht_freq.vht_enabled = vht_supported(mode);
+ if (!vht_freq.vht_enabled)
+ return;
+
+ /* setup center_freq1, bandwidth */
+ for (j = 0; j < ARRAY_SIZE(vht80); j++) {
+ if (freq->channel >= vht80[j] &&
+ freq->channel < vht80[j] + 16)
+ break;
+ }
+
+ if (j == ARRAY_SIZE(vht80))
+ return;
+
+ for (i = vht80[j]; i < vht80[j] + 16; i += 4) {
+ struct hostapd_channel_data *chan;
+
+ chan = hw_get_channel_chan(mode, i, NULL);
+ if (!chan)
+ return;
+
+ /* Back to HT configuration if channel not usable */
+ if (chan->flag & (HOSTAPD_CHAN_DISABLED | HOSTAPD_CHAN_NO_IR))
+ return;
+ }
+
+ chwidth = VHT_CHANWIDTH_80MHZ;
+ seg0 = vht80[j] + 6;
+ seg1 = 0;
+
+ if (ssid->max_oper_chwidth == VHT_CHANWIDTH_80P80MHZ) {
+ /* setup center_freq2, bandwidth */
+ for (k = 0; k < ARRAY_SIZE(vht80); k++) {
+ /* Only accept 80 MHz segments separated by a gap */
+ if (j == k || abs(vht80[j] - vht80[k]) == 16)
+ continue;
+ for (i = vht80[k]; i < vht80[k] + 16; i += 4) {
+ struct hostapd_channel_data *chan;
+
+ chan = hw_get_channel_chan(mode, i, NULL);
+ if (!chan)
+ continue;
+
+ if (chan->flag & (HOSTAPD_CHAN_DISABLED |
+ HOSTAPD_CHAN_NO_IR |
+ HOSTAPD_CHAN_RADAR))
+ continue;
+
+ /* Found a suitable second segment for 80+80 */
+ chwidth = VHT_CHANWIDTH_80P80MHZ;
+ vht_caps |=
+ VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
+ seg1 = vht80[k] + 6;
+ }
+
+ if (chwidth == VHT_CHANWIDTH_80P80MHZ)
+ break;
+ }
+ } else if (ssid->max_oper_chwidth == VHT_CHANWIDTH_160MHZ) {
+ if (freq->freq == 5180) {
+ chwidth = VHT_CHANWIDTH_160MHZ;
+ vht_caps |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
+ seg0 = 50;
+ } else if (freq->freq == 5520) {
+ chwidth = VHT_CHANWIDTH_160MHZ;
+ vht_caps |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
+ seg0 = 114;
+ }
+ }
+
+ if (hostapd_set_freq_params(&vht_freq, mode->mode, freq->freq,
+ freq->channel, freq->ht_enabled,
+ vht_freq.vht_enabled,
+ freq->sec_channel_offset,
+ chwidth, seg0, seg1, vht_caps) != 0)
+ return;
+
+ *freq = vht_freq;
+
+ wpa_printf(MSG_DEBUG, "IBSS: VHT setup freq cf1 %d, cf2 %d, bw %d",
+ freq->center_freq1, freq->center_freq2, freq->bandwidth);
+}
+
+
+static void wpas_start_assoc_cb(struct wpa_radio_work *work, int deinit)
+{
+ struct wpa_connect_work *cwork = work->ctx;
+ struct wpa_bss *bss = cwork->bss;
+ struct wpa_ssid *ssid = cwork->ssid;
+ struct wpa_supplicant *wpa_s = work->wpa_s;
+ u8 wpa_ie[200];
+ size_t wpa_ie_len;
+ int use_crypt, ret, i, bssid_changed;
+ int algs = WPA_AUTH_ALG_OPEN;
+ unsigned int cipher_pairwise, cipher_group;
+ struct wpa_driver_associate_params params;
+ int wep_keys_set = 0;
+ int assoc_failed = 0;
+ struct wpa_ssid *old_ssid;
+ u8 prev_bssid[ETH_ALEN];
+#ifdef CONFIG_HT_OVERRIDES
+ struct ieee80211_ht_capabilities htcaps;
+ struct ieee80211_ht_capabilities htcaps_mask;
+#endif /* CONFIG_HT_OVERRIDES */
+#ifdef CONFIG_VHT_OVERRIDES
+ struct ieee80211_vht_capabilities vhtcaps;
+ struct ieee80211_vht_capabilities vhtcaps_mask;
+#endif /* CONFIG_VHT_OVERRIDES */
+#ifdef CONFIG_MBO
+ const u8 *mbo = NULL;
+#endif /* CONFIG_MBO */
+
+ if (deinit) {
+ if (work->started) {
+ wpa_s->connect_work = NULL;
+
+ /* cancel possible auth. timeout */
+ eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s,
+ NULL);
+ }
+ wpas_connect_work_free(cwork);
+ return;
+ }
+
+ wpa_s->connect_work = work;
+
+ if (cwork->bss_removed || !wpas_valid_bss_ssid(wpa_s, bss, ssid) ||
+ wpas_network_disabled(wpa_s, ssid)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "BSS/SSID entry for association not valid anymore - drop connection attempt");
+ wpas_connect_work_done(wpa_s);
+ return;
+ }
+
+ os_memcpy(prev_bssid, wpa_s->bssid, ETH_ALEN);
+ os_memset(¶ms, 0, sizeof(params));
+ wpa_s->reassociate = 0;
+ wpa_s->eap_expected_failure = 0;
+ if (bss &&
+ (!wpas_driver_bss_selection(wpa_s) || wpas_wps_searching(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
+ */
+ wpas_connect_work_done(wpa_s);
+ 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));
+ if (bss)
+ os_memcpy(wpa_s->pending_bssid, bss->bssid, ETH_ALEN);
+ else
+ os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
+ }
+ if (!wpa_s->pno)
+ wpa_supplicant_cancel_sched_scan(wpa_s);
+
+ wpa_supplicant_cancel_scan(wpa_s);
+
+ /* Starting new association, so clear the possibly used WPA IE from the
+ * previous association. */
+ wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
+
+#ifdef IEEE8021X_EAPOL
+ if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
+ if (ssid->leap) {
+ if (ssid->non_leap == 0)
+ algs = WPA_AUTH_ALG_LEAP;
+ else
+ algs |= WPA_AUTH_ALG_LEAP;
+ }
+ }
+#endif /* IEEE8021X_EAPOL */
+ wpa_dbg(wpa_s, MSG_DEBUG, "Automatic auth_alg selection: 0x%x", algs);
+ if (ssid->auth_alg) {
+ algs = ssid->auth_alg;
+ wpa_dbg(wpa_s, MSG_DEBUG, "Overriding auth_alg selection: "
+ "0x%x", algs);
+ }
+
+ if (bss && (wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE) ||
+ wpa_bss_get_ie(bss, WLAN_EID_RSN)) &&
+ wpa_key_mgmt_wpa(ssid->key_mgmt)) {
+ int try_opportunistic;
+ try_opportunistic = (ssid->proactive_key_caching < 0 ?
+ wpa_s->conf->okc :
+ ssid->proactive_key_caching) &&
+ (ssid->proto & WPA_PROTO_RSN);
+ if (pmksa_cache_set_current(wpa_s->wpa, NULL, bss->bssid,
+ ssid, try_opportunistic) == 0)
+ eapol_sm_notify_pmkid_attempt(wpa_s->eapol);
+ 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");
+ wpas_connect_work_done(wpa_s);
+ 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)");
+ wpas_connect_work_done(wpa_s);
+ return;
+ }
+#ifdef CONFIG_WPS
+ } else if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
+ struct wpabuf *wps_ie;
+ wps_ie = wps_build_assoc_req_ie(wpas_wps_get_req_type(ssid));
+ if (wps_ie && wpabuf_len(wps_ie) <= sizeof(wpa_ie)) {
+ wpa_ie_len = wpabuf_len(wps_ie);
+ os_memcpy(wpa_ie, wpabuf_head(wps_ie), wpa_ie_len);
+ } else
+ wpa_ie_len = 0;
+ wpabuf_free(wps_ie);
+ wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
+ if (!bss || (bss->caps & IEEE80211_CAP_PRIVACY))
+ params.wps = WPS_MODE_PRIVACY;
+ else
+ params.wps = WPS_MODE_OPEN;
+ wpa_s->wpa_proto = 0;
+#endif /* CONFIG_WPS */
+ } else {
+ wpa_supplicant_set_non_wpa_policy(wpa_s, ssid);
+ wpa_ie_len = 0;
+ wpa_s->wpa_proto = 0;
+ }
+
+#ifdef CONFIG_P2P
+ if (wpa_s->global->p2p) {
+ u8 *pos;
+ size_t len;
+ int res;
+ pos = wpa_ie + wpa_ie_len;
+ len = sizeof(wpa_ie) - wpa_ie_len;
+ res = wpas_p2p_assoc_req_ie(wpa_s, bss, pos, len,
+ ssid->p2p_group);
+ if (res >= 0)
+ wpa_ie_len += res;
+ }
+
+ wpa_s->cross_connect_disallowed = 0;
+ if (bss) {
+ struct wpabuf *p2p;
+ p2p = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
+ if (p2p) {
+ wpa_s->cross_connect_disallowed =
+ p2p_get_cross_connect_disallowed(p2p);
+ wpabuf_free(p2p);
+ wpa_dbg(wpa_s, MSG_DEBUG, "P2P: WLAN AP %s cross "
+ "connection",
+ wpa_s->cross_connect_disallowed ?
+ "disallows" : "allows");
+ }
+ }
+
+ os_memset(wpa_s->p2p_ip_addr_info, 0, sizeof(wpa_s->p2p_ip_addr_info));
+#endif /* CONFIG_P2P */
+
+#ifdef CONFIG_MBO
+ if (bss) {
+ mbo = wpa_bss_get_vendor_ie(bss, MBO_IE_VENDOR_TYPE);
+ if (mbo) {
+ int len;
+
+ len = wpas_mbo_supp_op_class_ie(wpa_s, bss->freq,
+ wpa_ie + wpa_ie_len,
+ sizeof(wpa_ie) -
+ wpa_ie_len);
+ if (len > 0)
+ wpa_ie_len += len;
+ }
+ }
+#endif /* CONFIG_MBO */
+
+ /*
+ * Workaround: Add Extended Capabilities element only if the AP
+ * included this element in Beacon/Probe Response frames. Some older
+ * APs seem to have interoperability issues if this element is
+ * included, so while the standard may require us to include the
+ * element in all cases, it is justifiable to skip it to avoid
+ * interoperability issues.
+ */
+ if (ssid->p2p_group)
+ wpa_drv_get_ext_capa(wpa_s, WPA_IF_P2P_CLIENT);
+ else
+ wpa_drv_get_ext_capa(wpa_s, WPA_IF_STATION);
+
+ if (!bss || wpa_bss_get_ie(bss, WLAN_EID_EXT_CAPAB)) {
+ u8 ext_capab[18];
+ int ext_capab_len;
+ ext_capab_len = wpas_build_ext_capab(wpa_s, ext_capab,
+ sizeof(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);
+ }
+ }
+
+#ifdef CONFIG_HS20
+ if (is_hs20_network(wpa_s, ssid, bss)) {
+ struct wpabuf *hs20;
+
+ hs20 = wpabuf_alloc(20);
+ if (hs20) {
+ int pps_mo_id = hs20_get_pps_mo_id(wpa_s, ssid);
+ size_t len;
+
+ wpas_hs20_add_indication(hs20, pps_mo_id);
+ len = sizeof(wpa_ie) - wpa_ie_len;
+ if (wpabuf_len(hs20) <= len) {
+ os_memcpy(wpa_ie + wpa_ie_len,
+ wpabuf_head(hs20), wpabuf_len(hs20));
+ wpa_ie_len += wpabuf_len(hs20);
+ }
+ wpabuf_free(hs20);
+
+ hs20_configure_frame_filters(wpa_s);
+ }
+ }
+#endif /* CONFIG_HS20 */
+
+ if (wpa_s->vendor_elem[VENDOR_ELEM_ASSOC_REQ]) {
+ struct wpabuf *buf = wpa_s->vendor_elem[VENDOR_ELEM_ASSOC_REQ];
+ size_t len;
+
+ len = sizeof(wpa_ie) - wpa_ie_len;
+ if (wpabuf_len(buf) <= len) {
+ os_memcpy(wpa_ie + wpa_ie_len,
+ wpabuf_head(buf), wpabuf_len(buf));
+ wpa_ie_len += wpabuf_len(buf);
+ }
+ }
+
+#ifdef CONFIG_FST
+ if (wpa_s->fst_ies) {
+ int fst_ies_len = wpabuf_len(wpa_s->fst_ies);
+
+ if (wpa_ie_len + fst_ies_len <= sizeof(wpa_ie)) {
+ os_memcpy(wpa_ie + wpa_ie_len,
+ wpabuf_head(wpa_s->fst_ies), fst_ies_len);
+ wpa_ie_len += fst_ies_len;
+ }
+ }
+#endif /* CONFIG_FST */
+
+#ifdef CONFIG_MBO
+ if (mbo) {
+ int len;
+
+ len = wpas_mbo_ie(wpa_s, wpa_ie + wpa_ie_len,
+ sizeof(wpa_ie) - wpa_ie_len);
+ if (len >= 0)
+ wpa_ie_len += len;
+ }
+#endif /* CONFIG_MBO */
+
+ wpa_clear_keys(wpa_s, bss ? bss->bssid : NULL);
+ use_crypt = 1;
+ cipher_pairwise = wpa_s->pairwise_cipher;
+ cipher_group = wpa_s->group_cipher;
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
+ wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE)
+ use_crypt = 0;
+ if (wpa_set_wep_keys(wpa_s, ssid)) {
+ use_crypt = 1;
+ wep_keys_set = 1;
+ }
+ }
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS)
+ use_crypt = 0;
+
+#ifdef IEEE8021X_EAPOL
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
+ if ((ssid->eapol_flags &
+ (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
+ EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) == 0 &&
+ !wep_keys_set) {
+ use_crypt = 0;
+ } else {
+ /* Assume that dynamic WEP-104 keys will be used and
+ * set cipher suites in order for drivers to expect
+ * encryption. */
+ cipher_pairwise = cipher_group = WPA_CIPHER_WEP104;
+ }
+ }
+#endif /* IEEE8021X_EAPOL */
+
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
+ /* Set the key before (and later after) association */
+ wpa_supplicant_set_wpa_none_key(wpa_s, ssid);
+ }
+
+ wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATING);
+ if (bss) {
+ params.ssid = bss->ssid;
+ params.ssid_len = bss->ssid_len;
+ if (!wpas_driver_bss_selection(wpa_s) || ssid->bssid_set) {
+ wpa_printf(MSG_DEBUG, "Limit connection to BSSID "
+ MACSTR " freq=%u MHz based on scan results "
+ "(bssid_set=%d)",
+ MAC2STR(bss->bssid), bss->freq,
+ ssid->bssid_set);
+ params.bssid = bss->bssid;
+ params.freq.freq = bss->freq;
+ }
+ params.bssid_hint = bss->bssid;
+ params.freq_hint = bss->freq;
+ params.pbss = bss_is_pbss(bss);
+ } else {
+ params.ssid = ssid->ssid;
+ params.ssid_len = ssid->ssid_len;
+ params.pbss = (ssid->pbss != 2) ? ssid->pbss : 0;
+ }
+
+ if (ssid->mode == WPAS_MODE_IBSS && ssid->bssid_set &&
+ wpa_s->conf->ap_scan == 2) {
+ params.bssid = ssid->bssid;
+ params.fixed_bssid = 1;
+ }
+
+ /* Initial frequency for IBSS/mesh */
+ if ((ssid->mode == WPAS_MODE_IBSS || ssid->mode == WPAS_MODE_MESH) &&
+ ssid->frequency > 0 && params.freq.freq == 0)
+ ibss_mesh_setup_freq(wpa_s, ssid, ¶ms.freq);
+
+ if (ssid->mode == WPAS_MODE_IBSS) {
+ params.fixed_freq = ssid->fixed_freq;
+ if (ssid->beacon_int)
+ params.beacon_int = ssid->beacon_int;
+ else
+ params.beacon_int = wpa_s->conf->beacon_int;
+ }
+
+ params.wpa_ie = wpa_ie;
+ params.wpa_ie_len = wpa_ie_len;
+ params.pairwise_suite = cipher_pairwise;
+ params.group_suite = cipher_group;
+ params.key_mgmt_suite = wpa_s->key_mgmt;
+ params.wpa_proto = wpa_s->wpa_proto;
+ params.auth_alg = algs;
+ params.mode = ssid->mode;
+ params.bg_scan_period = ssid->bg_scan_period;
+ for (i = 0; i < NUM_WEP_KEYS; i++) {
+ if (ssid->wep_key_len[i])
+ params.wep_key[i] = ssid->wep_key[i];
+ params.wep_key_len[i] = ssid->wep_key_len[i];
+ }
+ params.wep_tx_keyidx = ssid->wep_tx_keyidx;
+
+ if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
+ (params.key_mgmt_suite == WPA_KEY_MGMT_PSK ||
+ params.key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
+ params.passphrase = ssid->passphrase;
+ if (ssid->psk_set)
+ params.psk = ssid->psk;
+ }
+
+ if (wpa_s->conf->key_mgmt_offload) {
+ if (params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
+ params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
+ params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
+ params.key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
+ params.req_key_mgmt_offload =
+ ssid->proactive_key_caching < 0 ?
+ wpa_s->conf->okc : ssid->proactive_key_caching;
+ else
+ params.req_key_mgmt_offload = 1;
+
+ if ((params.key_mgmt_suite == WPA_KEY_MGMT_PSK ||
+ params.key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
+ params.key_mgmt_suite == WPA_KEY_MGMT_FT_PSK) &&
+ ssid->psk_set)
+ params.psk = ssid->psk;
+ }
+
+ params.drop_unencrypted = use_crypt;
+
+#ifdef CONFIG_IEEE80211W
+ params.mgmt_frame_protection = wpas_get_ssid_pmf(wpa_s, ssid);
+ 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->p2pdev->set_sta_uapsd)
+ params.uapsd = wpa_s->p2pdev->sta_uapsd;
+ else
+ params.uapsd = -1;
+
+#ifdef CONFIG_HT_OVERRIDES
+ os_memset(&htcaps, 0, sizeof(htcaps));
+ os_memset(&htcaps_mask, 0, sizeof(htcaps_mask));
+ params.htcaps = (u8 *) &htcaps;
+ params.htcaps_mask = (u8 *) &htcaps_mask;
+ wpa_supplicant_apply_ht_overrides(wpa_s, ssid, ¶ms);
+#endif /* CONFIG_HT_OVERRIDES */
+#ifdef CONFIG_VHT_OVERRIDES
+ os_memset(&vhtcaps, 0, sizeof(vhtcaps));
+ os_memset(&vhtcaps_mask, 0, sizeof(vhtcaps_mask));
+ params.vhtcaps = &vhtcaps;
+ params.vhtcaps_mask = &vhtcaps_mask;
+ wpa_supplicant_apply_vht_overrides(wpa_s, ssid, ¶ms);
+#endif /* CONFIG_VHT_OVERRIDES */
+
+#ifdef CONFIG_P2P
+ /*
+ * If multi-channel concurrency is not supported, check for any
+ * frequency conflict. In case of any frequency conflict, remove the
+ * least prioritized connection.
+ */
+ if (wpa_s->num_multichan_concurrent < 2) {
+ int freq, num;
+ num = get_shared_radio_freqs(wpa_s, &freq, 1);
+ if (num > 0 && freq > 0 && freq != params.freq.freq) {
+ wpa_printf(MSG_DEBUG,
+ "Assoc conflicting freq found (%d != %d)",
+ freq, params.freq.freq);
+ if (wpas_p2p_handle_frequency_conflicts(
+ wpa_s, params.freq.freq, ssid) < 0) {
+ wpas_connect_work_done(wpa_s);
+ return;
+ }
+ }
+ }
+#endif /* CONFIG_P2P */
+
+ if (wpa_s->reassoc_same_ess && !is_zero_ether_addr(prev_bssid) &&
+ wpa_s->current_ssid)
+ params.prev_bssid = prev_bssid;
+
+ ret = wpa_drv_associate(wpa_s, ¶ms);
+ if (ret < 0) {
+ wpa_msg(wpa_s, MSG_INFO, "Association request to the driver "
+ "failed");
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SANE_ERROR_CODES) {
+ /*
+ * The driver is known to mean what is saying, so we
+ * can stop right here; the association will not
+ * succeed.
+ */
+ wpas_connection_failed(wpa_s, wpa_s->pending_bssid);
+ wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
+ os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
+ return;
+ }
+ /* try to continue anyway; new association will be tried again
+ * after timeout */
+ assoc_failed = 1;
+ }
+
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
+ /* Set the key after the association just in case association
+ * cleared the previously configured key. */
+ wpa_supplicant_set_wpa_none_key(wpa_s, ssid);
+ /* No need to timeout authentication since there is no key
+ * management. */
+ wpa_supplicant_cancel_auth_timeout(wpa_s);
+ wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
+#ifdef CONFIG_IBSS_RSN
+ } else if (ssid->mode == WPAS_MODE_IBSS &&
+ wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
+ wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE) {
+ /*
+ * RSN IBSS authentication is per-STA and we can disable the
+ * per-BSSID authentication.
+ */
+ wpa_supplicant_cancel_auth_timeout(wpa_s);
+#endif /* CONFIG_IBSS_RSN */
+ } else {
+ /* Timeout for IEEE 802.11 authentication and association */
+ int timeout = 60;
+
+ if (assoc_failed) {
+ /* give IBSS a bit more time */
+ timeout = ssid->mode == WPAS_MODE_IBSS ? 10 : 5;
+ } else if (wpa_s->conf->ap_scan == 1) {
+ /* give IBSS a bit more time */
+ timeout = ssid->mode == WPAS_MODE_IBSS ? 20 : 10;
+ }
+ wpa_supplicant_req_auth_timeout(wpa_s, timeout, 0);
+ }
+
+ if (wep_keys_set &&
+ (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC)) {
+ /* Set static WEP keys again */
+ wpa_set_wep_keys(wpa_s, ssid);
+ }
+
+ if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) {
+ /*
+ * Do not allow EAP session resumption between different
+ * network configurations.
+ */
+ eapol_sm_invalidate_cached_session(wpa_s->eapol);
+ }
+ old_ssid = wpa_s->current_ssid;
+ wpa_s->current_ssid = ssid;
+
+ if (!wpas_driver_bss_selection(wpa_s) || ssid->bssid_set) {
+ wpa_s->current_bss = bss;
+#ifdef CONFIG_HS20
+ hs20_configure_frame_filters(wpa_s);
+#endif /* CONFIG_HS20 */
+ }
+
+ 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;
+
+ wpas_connect_work_done(wpa_s);
+ 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->pending_bssid) &&
+ (wpa_s->wpa_state == WPA_AUTHENTICATING ||
+ wpa_s->wpa_state == WPA_ASSOCIATING))
+ addr = wpa_s->pending_bssid;
+ else if (!is_zero_ether_addr(wpa_s->bssid))
+ addr = wpa_s->bssid;
+ else if (wpa_s->wpa_state == WPA_ASSOCIATING) {
+ /*
+ * When using driver-based BSS selection, we may not know the
+ * BSSID with which we are currently trying to associate. We
+ * need to notify the driver of this disconnection even in such
+ * a case, so use the all zeros address here.
+ */
+ addr = wpa_s->bssid;
+ zero_addr = 1;
+ }
+
+#ifdef CONFIG_TDLS
+ wpa_tdls_teardown_peers(wpa_s->wpa);
+#endif /* CONFIG_TDLS */
+
+#ifdef CONFIG_MESH
+ if (wpa_s->ifmsh) {
+ wpa_msg(wpa_s, MSG_INFO, MESH_GROUP_REMOVED "%s",
+ wpa_s->ifname);
+ wpa_supplicant_leave_mesh(wpa_s);
+ }
+#endif /* CONFIG_MESH */
+
+ if (addr) {
+ wpa_drv_deauthenticate(wpa_s, addr, reason_code);
+ os_memset(&event, 0, sizeof(event));
+ event.deauth_info.reason_code = (u16) reason_code;
+ event.deauth_info.locally_generated = 1;
+ wpa_supplicant_event(wpa_s, EVENT_DEAUTH, &event);
+ if (zero_addr)
+ addr = NULL;
+ }
+
+ wpa_supplicant_clear_connection(wpa_s, addr);
+}
+
+static void wpa_supplicant_enable_one_network(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid)
+{
+ if (!ssid || !ssid->disabled || ssid->disabled == 2)
+ return;
+
+ ssid->disabled = 0;
+ wpas_clear_temp_disabled(wpa_s, ssid, 1);
+ wpas_notify_network_enabled_changed(wpa_s, ssid);
+
+ /*
+ * Try to reassociate since there is no current configuration and a new
+ * network was made available.
+ */
+ if (!wpa_s->current_ssid && !wpa_s->disconnected)
+ wpa_s->reassociate = 1;
+}
+
+
+/**
+ * wpa_supplicant_add_network - Add a new network
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * Returns: The new network configuration or %NULL if operation failed
+ *
+ * This function performs the following operations:
+ * 1. Adds a new network.
+ * 2. Send network addition notification.
+ * 3. Marks the network disabled.
+ * 4. Set network default parameters.
+ */
+struct wpa_ssid * wpa_supplicant_add_network(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_ssid *ssid;
+
+ ssid = wpa_config_add_network(wpa_s->conf);
+ if (!ssid)
+ return NULL;
+ wpas_notify_network_added(wpa_s, ssid);
+ ssid->disabled = 1;
+ wpa_config_set_network_defaults(ssid);
+
+ return ssid;
+}
+
+
+/**
+ * wpa_supplicant_remove_network - Remove a configured network based on id
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * @id: Unique network id to search for
+ * Returns: 0 on success, or -1 if the network was not found, -2 if the network
+ * could not be removed
+ *
+ * This function performs the following operations:
+ * 1. Removes the network.
+ * 2. Send network removal notification.
+ * 3. Update internal state machines.
+ * 4. Stop any running sched scans.
+ */
+int wpa_supplicant_remove_network(struct wpa_supplicant *wpa_s, int id)
+{
+ struct wpa_ssid *ssid;
+ int was_disabled;
+
+ ssid = wpa_config_get_network(wpa_s->conf, id);
+ if (!ssid)
+ return -1;
+ wpas_notify_network_removed(wpa_s, ssid);
+
+ if (wpa_s->last_ssid == ssid)
+ wpa_s->last_ssid = NULL;
+
+ if (ssid == wpa_s->current_ssid || !wpa_s->current_ssid) {
+#ifdef CONFIG_SME
+ wpa_s->sme.prev_bssid_set = 0;
+#endif /* CONFIG_SME */
+ /*
+ * Invalidate the EAP session cache if the current or
+ * previously used network is removed.
+ */
+ eapol_sm_invalidate_cached_session(wpa_s->eapol);
+ }
+
+ if (ssid == wpa_s->current_ssid) {
+ wpa_sm_set_config(wpa_s->wpa, NULL);
+ eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
+
+ if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
+ wpa_s->own_disconnect_req = 1;
+ wpa_supplicant_deauthenticate(wpa_s,
+ WLAN_REASON_DEAUTH_LEAVING);
+ }
+
+ was_disabled = ssid->disabled;
+
+ if (wpa_config_remove_network(wpa_s->conf, id) < 0)
+ return -2;
+
+ if (!was_disabled && wpa_s->sched_scanning) {
+ wpa_printf(MSG_DEBUG,
+ "Stop ongoing sched_scan to remove network from filters");
+ wpa_supplicant_cancel_sched_scan(wpa_s);
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+ }
+
+ return 0;
+}
+
+
+/**
+ * wpa_supplicant_enable_network - Mark a configured network as enabled
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * @ssid: wpa_ssid structure for a configured network or %NULL
+ *
+ * Enables the specified network or all networks if no network specified.
+ */
+void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid)
+{
+ if (ssid == NULL) {
+ for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
+ wpa_supplicant_enable_one_network(wpa_s, ssid);
+ } else
+ wpa_supplicant_enable_one_network(wpa_s, ssid);
+
+ if (wpa_s->reassociate && !wpa_s->disconnected &&
+ (!wpa_s->current_ssid ||
+ wpa_s->wpa_state == WPA_DISCONNECTED ||
+ wpa_s->wpa_state == WPA_SCANNING)) {
+ if (wpa_s->sched_scanning) {
+ wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to add "
+ "new network to scan filters");
+ wpa_supplicant_cancel_sched_scan(wpa_s);
+ }
+
+ if (wpa_supplicant_fast_associate(wpa_s) != 1) {
+ wpa_s->scan_req = NORMAL_SCAN_REQ;
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+ }
+ }
+}
+
+
+/**
+ * wpa_supplicant_disable_network - Mark a configured network as disabled
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * @ssid: wpa_ssid structure for a configured network or %NULL
+ *
+ * Disables the specified network or all networks if no network specified.
+ */
+void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid)
+{
+ struct wpa_ssid *other_ssid;
+ int was_disabled;
+
+ if (ssid == NULL) {
+ if (wpa_s->sched_scanning)
+ wpa_supplicant_cancel_sched_scan(wpa_s);
+
+ for (other_ssid = wpa_s->conf->ssid; other_ssid;
+ other_ssid = other_ssid->next) {
+ was_disabled = other_ssid->disabled;
+ if (was_disabled == 2)
+ continue; /* do not change persistent P2P group
+ * data */
+
+ other_ssid->disabled = 1;
+
+ if (was_disabled != other_ssid->disabled)
+ wpas_notify_network_enabled_changed(
+ wpa_s, other_ssid);
+ }
+ if (wpa_s->current_ssid)
+ wpa_supplicant_deauthenticate(
+ wpa_s, WLAN_REASON_DEAUTH_LEAVING);
+ } else if (ssid->disabled != 2) {
+ if (ssid == wpa_s->current_ssid)
+ wpa_supplicant_deauthenticate(
+ wpa_s, WLAN_REASON_DEAUTH_LEAVING);
+
+ was_disabled = ssid->disabled;
+
+ ssid->disabled = 1;
+
+ if (was_disabled != ssid->disabled) {
+ wpas_notify_network_enabled_changed(wpa_s, ssid);
+ if (wpa_s->sched_scanning) {
+ wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan "
+ "to remove network from filters");
+ wpa_supplicant_cancel_sched_scan(wpa_s);
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+ }
+ }
+ }
+}
+
+
+/**
+ * wpa_supplicant_select_network - Attempt association with a network
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * @ssid: wpa_ssid structure for a configured network or %NULL for any network
+ */
+void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid)
+{
+
+ struct wpa_ssid *other_ssid;
+ int disconnected = 0;
+
+ if (ssid && ssid != wpa_s->current_ssid && wpa_s->current_ssid) {
+ if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
+ wpa_s->own_disconnect_req = 1;
+ 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 &&
+ wpa_s->wpa_state >= WPA_AUTHENTICATING) {
+ /* We are already associated with the selected network */
+ wpa_printf(MSG_DEBUG, "Already associated with the "
+ "selected network - do nothing");
+ return;
+ }
+
+ if (ssid) {
+ wpa_s->current_ssid = ssid;
+ eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
+ wpa_s->connect_without_scan =
+ (ssid->mode == WPAS_MODE_MESH) ? ssid : NULL;
+
+ /*
+ * Don't optimize next scan freqs since a new ESS has been
+ * selected.
+ */
+ os_free(wpa_s->next_scan_freqs);
+ wpa_s->next_scan_freqs = NULL;
+ } else {
+ wpa_s->connect_without_scan = NULL;
+ }
+
+ wpa_s->disconnected = 0;
+ wpa_s->reassociate = 1;
+
+ if (wpa_s->connect_without_scan ||
+ wpa_supplicant_fast_associate(wpa_s) != 1) {
+ wpa_s->scan_req = NORMAL_SCAN_REQ;
+ wpas_scan_reset_sched_scan(wpa_s);
+ wpa_supplicant_req_scan(wpa_s, 0, disconnected ? 100000 : 0);
+ }
+
+ if (ssid)
+ wpas_notify_network_selected(wpa_s, ssid);
+}
+
+
+/**
+ * wpas_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * @pkcs11_engine_path: PKCS #11 engine path or NULL
+ * @pkcs11_module_path: PKCS #11 module path or NULL
+ * Returns: 0 on success; -1 on failure
+ *
+ * Sets the PKCS #11 engine and module path. Both have to be NULL or a valid
+ * path. If resetting the EAPOL state machine with the new PKCS #11 engine and
+ * module path fails the paths will be reset to the default value (NULL).
+ */
+int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
+ const char *pkcs11_engine_path,
+ const char *pkcs11_module_path)
+{
+ char *pkcs11_engine_path_copy = NULL;
+ char *pkcs11_module_path_copy = NULL;
+
+ if (pkcs11_engine_path != NULL) {
+ pkcs11_engine_path_copy = os_strdup(pkcs11_engine_path);
+ if (pkcs11_engine_path_copy == NULL)
+ return -1;
+ }
+ if (pkcs11_module_path != NULL) {
+ pkcs11_module_path_copy = os_strdup(pkcs11_module_path);
+ if (pkcs11_module_path_copy == NULL) {
+ os_free(pkcs11_engine_path_copy);
+ return -1;
+ }
+ }
+
+ os_free(wpa_s->conf->pkcs11_engine_path);
+ os_free(wpa_s->conf->pkcs11_module_path);
+ wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path_copy;
+ wpa_s->conf->pkcs11_module_path = pkcs11_module_path_copy;
+
+ wpa_sm_set_eapol(wpa_s->wpa, NULL);
+ eapol_sm_deinit(wpa_s->eapol);
+ wpa_s->eapol = NULL;
+ if (wpa_supplicant_init_eapol(wpa_s)) {
+ /* Error -> Reset paths to the default value (NULL) once. */
+ if (pkcs11_engine_path != NULL && pkcs11_module_path != NULL)
+ wpas_set_pkcs11_engine_and_module_path(wpa_s, NULL,
+ NULL);
+
+ return -1;
+ }
+ wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol);
+
+ return 0;
+}
+
+
+/**
+ * wpa_supplicant_set_ap_scan - Set AP scan mode for interface
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * @ap_scan: AP scan mode
+ * Returns: 0 if succeed or -1 if ap_scan has an invalid value
+ *
+ */
+int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s, int ap_scan)
+{
+
+ int old_ap_scan;
+
+ if (ap_scan < 0 || ap_scan > 2)
+ return -1;
+
+ if (ap_scan == 2 && os_strcmp(wpa_s->driver->name, "nl80211") == 0) {
+ wpa_printf(MSG_INFO,
+ "Note: nl80211 driver interface is not designed to be used with ap_scan=2; this can result in connection failures");
+ }
+
+#ifdef ANDROID
+ if (ap_scan == 2 && ap_scan != wpa_s->conf->ap_scan &&
+ wpa_s->wpa_state >= WPA_ASSOCIATING &&
+ wpa_s->wpa_state < WPA_COMPLETED) {
+ wpa_printf(MSG_ERROR, "ap_scan = %d (%d) rejected while "
+ "associating", wpa_s->conf->ap_scan, ap_scan);
+ return 0;
+ }
+#endif /* ANDROID */
+
+ old_ap_scan = wpa_s->conf->ap_scan;
+ wpa_s->conf->ap_scan = ap_scan;
+
+ if (old_ap_scan != wpa_s->conf->ap_scan)
+ wpas_notify_ap_scan_changed(wpa_s);
+
+ return 0;
+}
+
+
+/**
+ * wpa_supplicant_set_bss_expiration_age - Set BSS entry expiration age
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * @expire_age: Expiration age in seconds
+ * Returns: 0 if succeed or -1 if expire_age has an invalid value
+ *
+ */
+int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
+ unsigned int bss_expire_age)
+{
+ if (bss_expire_age < 10) {
+ wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration age %u",
+ bss_expire_age);
+ return -1;
+ }
+ wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration age: %d sec",
+ bss_expire_age);
+ wpa_s->conf->bss_expiration_age = bss_expire_age;
+
+ return 0;
+}
+
+
+/**
+ * wpa_supplicant_set_bss_expiration_count - Set BSS entry expiration scan count
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * @expire_count: number of scans after which an unseen BSS is reclaimed
+ * Returns: 0 if succeed or -1 if expire_count has an invalid value
+ *
+ */
+int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
+ unsigned int bss_expire_count)
+{
+ if (bss_expire_count < 1) {
+ wpa_msg(wpa_s, MSG_ERROR, "Invalid bss expiration count %u",
+ bss_expire_count);
+ return -1;
+ }
+ wpa_msg(wpa_s, MSG_DEBUG, "Setting bss expiration scan count: %u",
+ bss_expire_count);
+ wpa_s->conf->bss_expiration_scan_count = bss_expire_count;
+
+ return 0;
+}
+
+
+/**
+ * wpa_supplicant_set_scan_interval - Set scan interval
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * @scan_interval: scan interval in seconds
+ * Returns: 0 if succeed or -1 if scan_interval has an invalid value
+ *
+ */
+int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
+ int scan_interval)
+{
+ if (scan_interval < 0) {
+ wpa_msg(wpa_s, MSG_ERROR, "Invalid scan interval %d",
+ scan_interval);
+ return -1;
+ }
+ wpa_msg(wpa_s, MSG_DEBUG, "Setting scan interval: %d sec",
+ scan_interval);
+ wpa_supplicant_update_scan_int(wpa_s, scan_interval);
+
+ return 0;
+}
+
+
+/**
+ * wpa_supplicant_set_debug_params - Set global debug params
+ * @global: wpa_global structure
+ * @debug_level: debug level
+ * @debug_timestamp: determines if show timestamp in debug data
+ * @debug_show_keys: determines if show keys in debug data
+ * Returns: 0 if succeed or -1 if debug_level has wrong value
+ */
+int wpa_supplicant_set_debug_params(struct wpa_global *global, int debug_level,
+ int debug_timestamp, int debug_show_keys)
+{
+
+ int old_level, old_timestamp, old_show_keys;
+
+ /* check for allowed debuglevels */
+ if (debug_level != MSG_EXCESSIVE &&
+ debug_level != MSG_MSGDUMP &&
+ debug_level != MSG_DEBUG &&
+ debug_level != MSG_INFO &&
+ debug_level != MSG_WARNING &&
+ debug_level != MSG_ERROR)
+ return -1;
+
+ old_level = wpa_debug_level;
+ old_timestamp = wpa_debug_timestamp;
+ old_show_keys = wpa_debug_show_keys;
+
+ wpa_debug_level = debug_level;
+ wpa_debug_timestamp = debug_timestamp ? 1 : 0;
+ wpa_debug_show_keys = debug_show_keys ? 1 : 0;
+
+ if (wpa_debug_level != old_level)
+ wpas_notify_debug_level_changed(global);
+ if (wpa_debug_timestamp != old_timestamp)
+ wpas_notify_debug_timestamp_changed(global);
+ if (wpa_debug_show_keys != old_show_keys)
+ wpas_notify_debug_show_keys_changed(global);
+
+ return 0;
+}
+
+
+/**
+ * wpa_supplicant_get_ssid - Get a pointer to the current network structure
+ * @wpa_s: Pointer to wpa_supplicant data
+ * Returns: A pointer to the current network structure or %NULL on failure
+ */
+struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_ssid *entry;
+ u8 ssid[SSID_MAX_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(global);
+ if (global->drv_priv[i] == NULL) {
+ wpa_printf(MSG_ERROR, "Failed to initialize driver "
+ "'%s'", wpa_drivers[i]->name);
+ return -1;
+ }
+ }
+
+ wpa_s->driver = wpa_drivers[i];
+ wpa_s->global_drv_priv = global->drv_priv[i];
+
+ return 0;
+}
+
+
+static int wpa_supplicant_set_driver(struct wpa_supplicant *wpa_s,
+ const char *name)
+{
+ int i;
+ size_t len;
+ const char *pos, *driver = name;
+
+ if (wpa_s == NULL)
+ return -1;
+
+ if (wpa_drivers[0] == NULL) {
+ wpa_msg(wpa_s, MSG_ERROR, "No driver interfaces build into "
+ "wpa_supplicant");
+ return -1;
+ }
+
+ if (name == NULL) {
+ /* default to first driver in the list */
+ return select_driver(wpa_s, 0);
+ }
+
+ do {
+ pos = os_strchr(driver, ',');
+ if (pos)
+ len = pos - driver;
+ else
+ len = os_strlen(driver);
+
+ for (i = 0; wpa_drivers[i]; i++) {
+ if (os_strlen(wpa_drivers[i]->name) == len &&
+ os_strncmp(driver, wpa_drivers[i]->name, len) ==
+ 0) {
+ /* First driver that succeeds wins */
+ if (select_driver(wpa_s, i) == 0)
+ return 0;
+ }
+ }
+
+ driver = pos + 1;
+ } while (pos);
+
+ wpa_msg(wpa_s, MSG_ERROR, "Unsupported driver '%s'", name);
+ return -1;
+}
+
+
+/**
+ * wpa_supplicant_rx_eapol - Deliver a received EAPOL frame to wpa_supplicant
+ * @ctx: Context pointer (wpa_s); this is the ctx variable registered
+ * with struct wpa_driver_ops::init()
+ * @src_addr: Source address of the EAPOL frame
+ * @buf: EAPOL data starting from the EAPOL header (i.e., no Ethernet header)
+ * @len: Length of the EAPOL data
+ *
+ * This function is called for each received EAPOL frame. Most driver
+ * interfaces rely on more generic OS mechanism for receiving frames through
+ * l2_packet, but if such a mechanism is not available, the driver wrapper may
+ * take care of received EAPOL frames and deliver them to the core supplicant
+ * code by calling this function.
+ */
+void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
+ const u8 *buf, size_t len)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "RX EAPOL from " MACSTR, MAC2STR(src_addr));
+ wpa_hexdump(MSG_MSGDUMP, "RX EAPOL", buf, len);
+
+#ifdef CONFIG_TESTING_OPTIONS
+ if (wpa_s->ignore_auth_resp) {
+ wpa_printf(MSG_INFO, "RX EAPOL - ignore_auth_resp active!");
+ return;
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+
+#ifdef CONFIG_PEERKEY
+ if (wpa_s->wpa_state > WPA_ASSOCIATED && wpa_s->current_ssid &&
+ wpa_s->current_ssid->peerkey &&
+ !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
+ wpa_sm_rx_eapol_peerkey(wpa_s->wpa, src_addr, buf, len) == 1) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "RSN: Processed PeerKey EAPOL-Key");
+ return;
+ }
+#endif /* CONFIG_PEERKEY */
+
+ if (wpa_s->wpa_state < WPA_ASSOCIATED ||
+ (wpa_s->last_eapol_matches_bssid &&
+#ifdef CONFIG_AP
+ !wpa_s->ap_iface &&
+#endif /* CONFIG_AP */
+ os_memcmp(src_addr, wpa_s->bssid, ETH_ALEN) != 0)) {
+ /*
+ * There is possible race condition between receiving the
+ * association event and the EAPOL frame since they are coming
+ * through different paths from the driver. In order to avoid
+ * issues in trying to process the EAPOL frame before receiving
+ * association information, lets queue it for processing until
+ * the association event is received. This may also be needed in
+ * driver-based roaming case, so also use src_addr != BSSID as a
+ * trigger if we have previously confirmed that the
+ * Authenticator uses BSSID as the src_addr (which is not the
+ * case with wired IEEE 802.1X).
+ */
+ wpa_dbg(wpa_s, MSG_DEBUG, "Not associated - Delay processing "
+ "of received EAPOL frame (state=%s bssid=" MACSTR ")",
+ wpa_supplicant_state_txt(wpa_s->wpa_state),
+ MAC2STR(wpa_s->bssid));
+ wpabuf_free(wpa_s->pending_eapol_rx);
+ wpa_s->pending_eapol_rx = wpabuf_alloc_copy(buf, len);
+ if (wpa_s->pending_eapol_rx) {
+ os_get_reltime(&wpa_s->pending_eapol_rx_time);
+ os_memcpy(wpa_s->pending_eapol_rx_src, src_addr,
+ ETH_ALEN);
+ }
+ return;
+ }
+
+ wpa_s->last_eapol_matches_bssid =
+ os_memcmp(src_addr, wpa_s->bssid, ETH_ALEN) == 0;
+
+#ifdef CONFIG_AP
+ if (wpa_s->ap_iface) {
+ wpa_supplicant_ap_rx_eapol(wpa_s, src_addr, buf, len);
+ return;
+ }
+#endif /* CONFIG_AP */
+
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Ignored received EAPOL frame since "
+ "no key management is configured");
+ return;
+ }
+
+ if (wpa_s->eapol_received == 0 &&
+ (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) ||
+ !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
+ wpa_s->wpa_state != WPA_COMPLETED) &&
+ (wpa_s->current_ssid == NULL ||
+ wpa_s->current_ssid->mode != IEEE80211_MODE_IBSS)) {
+ /* Timeout for completing IEEE 802.1X and WPA authentication */
+ int timeout = 10;
+
+ if (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) {
+ /* Use longer timeout for IEEE 802.1X/EAP */
+ timeout = 70;
+ }
+
+#ifdef CONFIG_WPS
+ if (wpa_s->current_ssid && wpa_s->current_bss &&
+ (wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
+ eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
+ /*
+ * Use shorter timeout if going through WPS AP iteration
+ * for PIN config method with an AP that does not
+ * advertise Selected Registrar.
+ */
+ struct wpabuf *wps_ie;
+
+ wps_ie = wpa_bss_get_vendor_ie_multi(
+ wpa_s->current_bss, WPS_IE_VENDOR_TYPE);
+ if (wps_ie &&
+ !wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1))
+ timeout = 10;
+ wpabuf_free(wps_ie);
+ }
+#endif /* CONFIG_WPS */
+
+ wpa_supplicant_req_auth_timeout(wpa_s, timeout, 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->p2p_mgmt ||
+ !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) &&
+ !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE)) {
+ l2_packet_deinit(wpa_s->l2);
+ wpa_s->l2 = l2_packet_init(wpa_s->ifname,
+ wpa_drv_get_mac_addr(wpa_s),
+ ETH_P_EAPOL,
+ wpa_supplicant_rx_eapol, wpa_s, 0);
+ if (wpa_s->l2 == NULL)
+ return -1;
+ } else {
+ const u8 *addr = wpa_drv_get_mac_addr(wpa_s);
+ if (addr)
+ os_memcpy(wpa_s->own_addr, addr, ETH_ALEN);
+ }
+
+ if (wpa_s->l2 && l2_packet_get_own_addr(wpa_s->l2, wpa_s->own_addr)) {
+ wpa_msg(wpa_s, MSG_ERROR, "Failed to get own L2 address");
+ return -1;
+ }
+
+ 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;
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "Own MAC address: " MACSTR,
+ MAC2STR(wpa_s->own_addr));
+ os_memcpy(wpa_s->perm_addr, wpa_s->own_addr, ETH_ALEN);
+ wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr);
+
+ if (wpa_s->bridge_ifname[0]) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Receiving packets from bridge "
+ "interface '%s'", wpa_s->bridge_ifname);
+ wpa_s->l2_br = l2_packet_init_bridge(
+ wpa_s->bridge_ifname, wpa_s->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;
+ }
+ }
+
+ if (wpa_s->conf->ap_scan == 2 &&
+ os_strcmp(wpa_s->driver->name, "nl80211") == 0) {
+ wpa_printf(MSG_INFO,
+ "Note: nl80211 driver interface is not designed to be used with ap_scan=2; this can result in connection failures");
+ }
+
+ wpa_clear_keys(wpa_s, NULL);
+
+ /* Make sure that TKIP countermeasures are not left enabled (could
+ * happen if wpa_supplicant is killed during countermeasures. */
+ wpa_drv_set_countermeasures(wpa_s, 0);
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "RSN: flushing PMKID list in the driver");
+ wpa_drv_flush_pmkid(wpa_s);
+
+ wpa_s->prev_scan_ssid = WILDCARD_SSID_SCAN;
+ wpa_s->prev_scan_wildcard = 0;
+
+ if (wpa_supplicant_enabled_networks(wpa_s)) {
+ if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
+ wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
+ interface_count = 0;
+ }
+#ifndef ANDROID
+ if (!wpa_s->p2p_mgmt &&
+ wpa_supplicant_delayed_sched_scan(wpa_s,
+ interface_count % 3,
+ 100000))
+ wpa_supplicant_req_scan(wpa_s, interface_count % 3,
+ 100000);
+#endif /* ANDROID */
+ 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(struct wpa_supplicant *parent)
+{
+ 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 = parent ? parent : wpa_s;
+ wpa_s->p2pdev = wpa_s->parent;
+ wpa_s->sched_scanning = 0;
+
+ dl_list_init(&wpa_s->bss_tmp_disallowed);
+
+ 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)
+{
+ le16 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 */
+ le16 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 */
+ le16 msk = host_to_le16(HT_CAP_INFO_SHORT_GI20MHZ |
+ HT_CAP_INFO_SHORT_GI40MHZ);
+
+ wpa_msg(wpa_s, MSG_DEBUG, "set_disable_sgi: %d", disabled);
+
+ if (disabled)
+ htcaps->ht_capabilities_info &= ~msk;
+ else
+ htcaps->ht_capabilities_info |= msk;
+
+ htcaps_mask->ht_capabilities_info |= msk;
+
+ return 0;
+}
+
+
+static int wpa_set_disable_ldpc(struct wpa_supplicant *wpa_s,
+ struct ieee80211_ht_capabilities *htcaps,
+ struct ieee80211_ht_capabilities *htcaps_mask,
+ int disabled)
+{
+ /* Masking these out disables LDPC */
+ le16 msk = host_to_le16(HT_CAP_INFO_LDPC_CODING_CAP);
+
+ wpa_msg(wpa_s, MSG_DEBUG, "set_disable_ldpc: %d", disabled);
+
+ if (disabled)
+ htcaps->ht_capabilities_info &= ~msk;
+ else
+ htcaps->ht_capabilities_info |= msk;
+
+ htcaps_mask->ht_capabilities_info |= msk;
+
+ return 0;
+}
+
+
+void wpa_supplicant_apply_ht_overrides(
+ struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
+ struct wpa_driver_associate_params *params)
+{
+ struct ieee80211_ht_capabilities *htcaps;
+ struct ieee80211_ht_capabilities *htcaps_mask;
+
+ if (!ssid)
+ return;
+
+ params->disable_ht = ssid->disable_ht;
+ if (!params->htcaps || !params->htcaps_mask)
+ return;
+
+ htcaps = (struct ieee80211_ht_capabilities *) params->htcaps;
+ htcaps_mask = (struct ieee80211_ht_capabilities *) params->htcaps_mask;
+ wpa_set_htcap_mcs(wpa_s, htcaps, htcaps_mask, ssid->ht_mcs);
+ wpa_disable_max_amsdu(wpa_s, htcaps, htcaps_mask,
+ ssid->disable_max_amsdu);
+ wpa_set_ampdu_factor(wpa_s, htcaps, htcaps_mask, ssid->ampdu_factor);
+ wpa_set_ampdu_density(wpa_s, htcaps, htcaps_mask, ssid->ampdu_density);
+ wpa_set_disable_ht40(wpa_s, htcaps, htcaps_mask, ssid->disable_ht40);
+ wpa_set_disable_sgi(wpa_s, htcaps, htcaps_mask, ssid->disable_sgi);
+ wpa_set_disable_ldpc(wpa_s, htcaps, htcaps_mask, ssid->disable_ldpc);
+
+ if (ssid->ht40_intolerant) {
+ le16 bit = host_to_le16(HT_CAP_INFO_40MHZ_INTOLERANT);
+ htcaps->ht_capabilities_info |= bit;
+ htcaps_mask->ht_capabilities_info |= bit;
+ }
+}
+
+#endif /* CONFIG_HT_OVERRIDES */
+
+
+#ifdef CONFIG_VHT_OVERRIDES
+void wpa_supplicant_apply_vht_overrides(
+ struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
+ struct wpa_driver_associate_params *params)
+{
+ struct ieee80211_vht_capabilities *vhtcaps;
+ struct ieee80211_vht_capabilities *vhtcaps_mask;
+
+ if (!ssid)
+ return;
+
+ params->disable_vht = ssid->disable_vht;
+
+ vhtcaps = (void *) params->vhtcaps;
+ vhtcaps_mask = (void *) params->vhtcaps_mask;
+
+ if (!vhtcaps || !vhtcaps_mask)
+ return;
+
+ vhtcaps->vht_capabilities_info = host_to_le32(ssid->vht_capa);
+ vhtcaps_mask->vht_capabilities_info = host_to_le32(ssid->vht_capa_mask);
+
+#ifdef CONFIG_HT_OVERRIDES
+ /* if max ampdu is <= 3, we have to make the HT cap the same */
+ if (ssid->vht_capa_mask & VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX) {
+ int max_ampdu;
+
+ max_ampdu = (ssid->vht_capa &
+ VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX) >>
+ VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX_SHIFT;
+
+ max_ampdu = max_ampdu < 3 ? max_ampdu : 3;
+ wpa_set_ampdu_factor(wpa_s,
+ (void *) params->htcaps,
+ (void *) params->htcaps_mask,
+ max_ampdu);
+ }
+#endif /* CONFIG_HT_OVERRIDES */
+
+#define OVERRIDE_MCS(i) \
+ if (ssid->vht_tx_mcs_nss_ ##i >= 0) { \
+ vhtcaps_mask->vht_supported_mcs_set.tx_map |= \
+ host_to_le16(3 << 2 * (i - 1)); \
+ vhtcaps->vht_supported_mcs_set.tx_map |= \
+ host_to_le16(ssid->vht_tx_mcs_nss_ ##i << \
+ 2 * (i - 1)); \
+ } \
+ if (ssid->vht_rx_mcs_nss_ ##i >= 0) { \
+ vhtcaps_mask->vht_supported_mcs_set.rx_map |= \
+ host_to_le16(3 << 2 * (i - 1)); \
+ vhtcaps->vht_supported_mcs_set.rx_map |= \
+ host_to_le16(ssid->vht_rx_mcs_nss_ ##i << \
+ 2 * (i - 1)); \
+ }
+
+ OVERRIDE_MCS(1);
+ OVERRIDE_MCS(2);
+ OVERRIDE_MCS(3);
+ OVERRIDE_MCS(4);
+ OVERRIDE_MCS(5);
+ OVERRIDE_MCS(6);
+ OVERRIDE_MCS(7);
+ OVERRIDE_MCS(8);
+}
+#endif /* CONFIG_VHT_OVERRIDES */
+
+
+static int pcsc_reader_init(struct wpa_supplicant *wpa_s)
+{
+#ifdef PCSC_FUNCS
+ size_t len;
+
+ if (!wpa_s->conf->pcsc_reader)
+ return 0;
+
+ wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
+ if (!wpa_s->scard)
+ return 1;
+
+ if (wpa_s->conf->pcsc_pin &&
+ scard_set_pin(wpa_s->scard, wpa_s->conf->pcsc_pin) < 0) {
+ scard_deinit(wpa_s->scard);
+ wpa_s->scard = NULL;
+ wpa_msg(wpa_s, MSG_ERROR, "PC/SC PIN validation failed");
+ return -1;
+ }
+
+ len = sizeof(wpa_s->imsi) - 1;
+ if (scard_get_imsi(wpa_s->scard, wpa_s->imsi, &len)) {
+ scard_deinit(wpa_s->scard);
+ wpa_s->scard = NULL;
+ wpa_msg(wpa_s, MSG_ERROR, "Could not read IMSI");
+ return -1;
+ }
+ wpa_s->imsi[len] = '\0';
+
+ wpa_s->mnc_len = scard_get_mnc_len(wpa_s->scard);
+
+ wpa_printf(MSG_DEBUG, "SCARD: IMSI %s (MNC length %d)",
+ wpa_s->imsi, wpa_s->mnc_len);
+
+ wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
+ eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
+#endif /* PCSC_FUNCS */
+
+ return 0;
+}
+
+
+int wpas_init_ext_pw(struct wpa_supplicant *wpa_s)
+{
+ char *val, *pos;
+
+ ext_password_deinit(wpa_s->ext_pw);
+ wpa_s->ext_pw = NULL;
+ eapol_sm_set_ext_pw_ctx(wpa_s->eapol, NULL);
+
+ if (!wpa_s->conf->ext_password_backend)
+ return 0;
+
+ val = os_strdup(wpa_s->conf->ext_password_backend);
+ if (val == NULL)
+ return -1;
+ pos = os_strchr(val, ':');
+ if (pos)
+ *pos++ = '\0';
+
+ wpa_printf(MSG_DEBUG, "EXT PW: Initialize backend '%s'", val);
+
+ wpa_s->ext_pw = ext_password_init(val, pos);
+ os_free(val);
+ if (wpa_s->ext_pw == NULL) {
+ wpa_printf(MSG_DEBUG, "EXT PW: Failed to initialize backend");
+ return -1;
+ }
+ eapol_sm_set_ext_pw_ctx(wpa_s->eapol, wpa_s->ext_pw);
+
+ return 0;
+}
+
+
+#ifdef CONFIG_FST
+
+static const u8 * wpas_fst_get_bssid_cb(void *ctx)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ return (is_zero_ether_addr(wpa_s->bssid) ||
+ wpa_s->wpa_state != WPA_COMPLETED) ? NULL : wpa_s->bssid;
+}
+
+
+static void wpas_fst_get_channel_info_cb(void *ctx,
+ enum hostapd_hw_mode *hw_mode,
+ u8 *channel)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ if (wpa_s->current_bss) {
+ *hw_mode = ieee80211_freq_to_chan(wpa_s->current_bss->freq,
+ channel);
+ } else if (wpa_s->hw.num_modes) {
+ *hw_mode = wpa_s->hw.modes[0].mode;
+ } else {
+ WPA_ASSERT(0);
+ *hw_mode = 0;
+ }
+}
+
+
+static int wpas_fst_get_hw_modes(void *ctx, struct hostapd_hw_modes **modes)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ *modes = wpa_s->hw.modes;
+ return wpa_s->hw.num_modes;
+}
+
+
+static void wpas_fst_set_ies_cb(void *ctx, const struct wpabuf *fst_ies)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ wpa_hexdump_buf(MSG_DEBUG, "FST: Set IEs", fst_ies);
+ wpa_s->fst_ies = fst_ies;
+}
+
+
+static int wpas_fst_send_action_cb(void *ctx, const u8 *da, struct wpabuf *data)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ WPA_ASSERT(os_memcmp(wpa_s->bssid, da, ETH_ALEN) == 0);
+ return wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid,
+ wpa_s->own_addr, wpa_s->bssid,
+ wpabuf_head(data), wpabuf_len(data),
+ 0);
+}
+
+
+static const struct wpabuf * wpas_fst_get_mb_ie_cb(void *ctx, const u8 *addr)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ WPA_ASSERT(os_memcmp(wpa_s->bssid, addr, ETH_ALEN) == 0);
+ return wpa_s->received_mb_ies;
+}
+
+
+static void wpas_fst_update_mb_ie_cb(void *ctx, const u8 *addr,
+ const u8 *buf, size_t size)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct mb_ies_info info;
+
+ WPA_ASSERT(os_memcmp(wpa_s->bssid, addr, ETH_ALEN) == 0);
+
+ if (!mb_ies_info_by_ies(&info, buf, size)) {
+ wpabuf_free(wpa_s->received_mb_ies);
+ wpa_s->received_mb_ies = mb_ies_by_info(&info);
+ }
+}
+
+
+static const u8 * wpas_fst_get_peer_first(void *ctx,
+ struct fst_get_peer_ctx **get_ctx,
+ Boolean mb_only)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ *get_ctx = NULL;
+ if (!is_zero_ether_addr(wpa_s->bssid))
+ return (wpa_s->received_mb_ies || !mb_only) ?
+ wpa_s->bssid : NULL;
+ return NULL;
+}
+
+
+static const u8 * wpas_fst_get_peer_next(void *ctx,
+ struct fst_get_peer_ctx **get_ctx,
+ Boolean mb_only)
+{
+ return NULL;
+}
+
+void fst_wpa_supplicant_fill_iface_obj(struct wpa_supplicant *wpa_s,
+ struct fst_wpa_obj *iface_obj)
+{
+ iface_obj->ctx = wpa_s;
+ iface_obj->get_bssid = wpas_fst_get_bssid_cb;
+ iface_obj->get_channel_info = wpas_fst_get_channel_info_cb;
+ iface_obj->get_hw_modes = wpas_fst_get_hw_modes;
+ iface_obj->set_ies = wpas_fst_set_ies_cb;
+ iface_obj->send_action = wpas_fst_send_action_cb;
+ iface_obj->get_mb_ie = wpas_fst_get_mb_ie_cb;
+ iface_obj->update_mb_ie = wpas_fst_update_mb_ie_cb;
+ iface_obj->get_peer_first = wpas_fst_get_peer_first;
+ iface_obj->get_peer_next = wpas_fst_get_peer_next;
+}
+#endif /* CONFIG_FST */
+
+static int wpas_set_wowlan_triggers(struct wpa_supplicant *wpa_s,
+ const struct wpa_driver_capa *capa)
+{
+ struct wowlan_triggers *triggers;
+ int ret = 0;
+
+ if (!wpa_s->conf->wowlan_triggers)
+ return 0;
+
+ triggers = wpa_get_wowlan_triggers(wpa_s->conf->wowlan_triggers, capa);
+ if (triggers) {
+ ret = wpa_drv_wowlan(wpa_s, triggers);
+ os_free(triggers);
+ }
+ return ret;
+}
+
+
+enum wpa_radio_work_band wpas_freq_to_band(int freq)
+{
+ if (freq < 3000)
+ return BAND_2_4_GHZ;
+ if (freq > 50000)
+ return BAND_60_GHZ;
+ return BAND_5_GHZ;
+}
+
+
+unsigned int wpas_get_bands(struct wpa_supplicant *wpa_s, const int *freqs)
+{
+ int i;
+ unsigned int band = 0;
+
+ if (freqs) {
+ /* freqs are specified for the radio work */
+ for (i = 0; freqs[i]; i++)
+ band |= wpas_freq_to_band(freqs[i]);
+ } else {
+ /*
+ * freqs are not specified, implies all
+ * the supported freqs by HW
+ */
+ for (i = 0; i < wpa_s->hw.num_modes; i++) {
+ if (wpa_s->hw.modes[i].num_channels != 0) {
+ if (wpa_s->hw.modes[i].mode ==
+ HOSTAPD_MODE_IEEE80211B ||
+ wpa_s->hw.modes[i].mode ==
+ HOSTAPD_MODE_IEEE80211G)
+ band |= BAND_2_4_GHZ;
+ else if (wpa_s->hw.modes[i].mode ==
+ HOSTAPD_MODE_IEEE80211A)
+ band |= BAND_5_GHZ;
+ else if (wpa_s->hw.modes[i].mode ==
+ HOSTAPD_MODE_IEEE80211AD)
+ band |= BAND_60_GHZ;
+ else if (wpa_s->hw.modes[i].mode ==
+ HOSTAPD_MODE_IEEE80211ANY)
+ band = BAND_2_4_GHZ | BAND_5_GHZ |
+ BAND_60_GHZ;
+ }
+ }
+ }
+
+ return band;
+}
+
+
+static struct wpa_radio * radio_add_interface(struct wpa_supplicant *wpa_s,
+ const char *rn)
+{
+ struct wpa_supplicant *iface = wpa_s->global->ifaces;
+ struct wpa_radio *radio;
+
+ while (rn && iface) {
+ radio = iface->radio;
+ if (radio && os_strcmp(rn, radio->name) == 0) {
+ wpa_printf(MSG_DEBUG, "Add interface %s to existing radio %s",
+ wpa_s->ifname, rn);
+ dl_list_add(&radio->ifaces, &wpa_s->radio_list);
+ return radio;
+ }
+
+ iface = iface->next;
+ }
+
+ wpa_printf(MSG_DEBUG, "Add interface %s to a new radio %s",
+ wpa_s->ifname, rn ? rn : "N/A");
+ radio = os_zalloc(sizeof(*radio));
+ if (radio == NULL)
+ return NULL;
+
+ if (rn)
+ os_strlcpy(radio->name, rn, sizeof(radio->name));
+ dl_list_init(&radio->ifaces);
+ dl_list_init(&radio->work);
+ dl_list_add(&radio->ifaces, &wpa_s->radio_list);
+
+ return radio;
+}
+
+
+static void radio_work_free(struct wpa_radio_work *work)
+{
+ if (work->wpa_s->scan_work == work) {
+ /* This should not really happen. */
+ wpa_dbg(work->wpa_s, MSG_INFO, "Freeing radio work '%s'@%p (started=%d) that is marked as scan_work",
+ work->type, work, work->started);
+ work->wpa_s->scan_work = NULL;
+ }
+
+#ifdef CONFIG_P2P
+ if (work->wpa_s->p2p_scan_work == work) {
+ /* This should not really happen. */
+ wpa_dbg(work->wpa_s, MSG_INFO, "Freeing radio work '%s'@%p (started=%d) that is marked as p2p_scan_work",
+ work->type, work, work->started);
+ work->wpa_s->p2p_scan_work = NULL;
+ }
+#endif /* CONFIG_P2P */
+
+ if (work->started) {
+ work->wpa_s->radio->num_active_works--;
+ wpa_dbg(work->wpa_s, MSG_DEBUG,
+ "radio_work_free('%s'@%p: num_active_works --> %u",
+ work->type, work,
+ work->wpa_s->radio->num_active_works);
+ }
+
+ dl_list_del(&work->list);
+ os_free(work);
+}
+
+
+static struct wpa_radio_work * radio_work_get_next_work(struct wpa_radio *radio)
+{
+ struct wpa_radio_work *active_work = NULL;
+ struct wpa_radio_work *tmp;
+
+ /* Get the active work to know the type and band. */
+ dl_list_for_each(tmp, &radio->work, struct wpa_radio_work, list) {
+ if (tmp->started) {
+ active_work = tmp;
+ break;
+ }
+ }
+
+ if (!active_work) {
+ /* No active work, start one */
+ radio->num_active_works = 0;
+ dl_list_for_each(tmp, &radio->work, struct wpa_radio_work,
+ list) {
+ if (os_strcmp(tmp->type, "scan") == 0 &&
+ radio->external_scan_running &&
+ (((struct wpa_driver_scan_params *)
+ tmp->ctx)->only_new_results ||
+ tmp->wpa_s->clear_driver_scan_cache))
+ continue;
+ return tmp;
+ }
+ return NULL;
+ }
+
+ if (os_strcmp(active_work->type, "sme-connect") == 0 ||
+ os_strcmp(active_work->type, "connect") == 0) {
+ /*
+ * If the active work is either connect or sme-connect,
+ * do not parallelize them with other radio works.
+ */
+ wpa_dbg(active_work->wpa_s, MSG_DEBUG,
+ "Do not parallelize radio work with %s",
+ active_work->type);
+ return NULL;
+ }
+
+ dl_list_for_each(tmp, &radio->work, struct wpa_radio_work, list) {
+ if (tmp->started)
+ continue;
+
+ /*
+ * If connect or sme-connect are enqueued, parallelize only
+ * those operations ahead of them in the queue.
+ */
+ if (os_strcmp(tmp->type, "connect") == 0 ||
+ os_strcmp(tmp->type, "sme-connect") == 0)
+ break;
+
+ /*
+ * Check that the radio works are distinct and
+ * on different bands.
+ */
+ if (os_strcmp(active_work->type, tmp->type) != 0 &&
+ (active_work->bands != tmp->bands)) {
+ /*
+ * If a scan has to be scheduled through nl80211 scan
+ * interface and if an external scan is already running,
+ * do not schedule the scan since it is likely to get
+ * rejected by kernel.
+ */
+ if (os_strcmp(tmp->type, "scan") == 0 &&
+ radio->external_scan_running &&
+ (((struct wpa_driver_scan_params *)
+ tmp->ctx)->only_new_results ||
+ tmp->wpa_s->clear_driver_scan_cache))
+ continue;
+
+ wpa_dbg(active_work->wpa_s, MSG_DEBUG,
+ "active_work:%s new_work:%s",
+ active_work->type, tmp->type);
+ return tmp;
+ }
+ }
+
+ /* Did not find a radio work to schedule in parallel. */
+ return NULL;
+}
+
+
+static void radio_start_next_work(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_radio *radio = eloop_ctx;
+ struct wpa_radio_work *work;
+ struct os_reltime now, diff;
+ struct wpa_supplicant *wpa_s;
+
+ work = dl_list_first(&radio->work, struct wpa_radio_work, list);
+ if (work == NULL) {
+ radio->num_active_works = 0;
+ return;
+ }
+
+ wpa_s = dl_list_first(&radio->ifaces, struct wpa_supplicant,
+ radio_list);
+
+ if (!(wpa_s &&
+ wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS)) {
+ if (work->started)
+ return; /* already started and still in progress */
+
+ if (wpa_s && wpa_s->radio->external_scan_running) {
+ wpa_printf(MSG_DEBUG, "Delay radio work start until externally triggered scan completes");
+ return;
+ }
+ } else {
+ work = NULL;
+ if (radio->num_active_works < MAX_ACTIVE_WORKS) {
+ /* get the work to schedule next */
+ work = radio_work_get_next_work(radio);
+ }
+ if (!work)
+ return;
+ }
+
+ wpa_s = work->wpa_s;
+ os_get_reltime(&now);
+ os_reltime_sub(&now, &work->time, &diff);
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "Starting radio work '%s'@%p after %ld.%06ld second wait",
+ work->type, work, diff.sec, diff.usec);
+ work->started = 1;
+ work->time = now;
+ radio->num_active_works++;
+
+ work->cb(work, 0);
+
+ if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS) &&
+ radio->num_active_works < MAX_ACTIVE_WORKS)
+ radio_work_check_next(wpa_s);
+}
+
+
+/*
+ * This function removes both started and pending radio works running on
+ * the provided interface's radio.
+ * Prior to the removal of the radio work, its callback (cb) is called with
+ * deinit set to be 1. Each work's callback is responsible for clearing its
+ * internal data and restoring to a correct state.
+ * @wpa_s: wpa_supplicant data
+ * @type: type of works to be removed
+ * @remove_all: 1 to remove all the works on this radio, 0 to remove only
+ * this interface's works.
+ */
+void radio_remove_works(struct wpa_supplicant *wpa_s,
+ const char *type, int remove_all)
+{
+ struct wpa_radio_work *work, *tmp;
+ struct wpa_radio *radio = wpa_s->radio;
+
+ dl_list_for_each_safe(work, tmp, &radio->work, struct wpa_radio_work,
+ list) {
+ if (type && os_strcmp(type, work->type) != 0)
+ continue;
+
+ /* skip other ifaces' works */
+ if (!remove_all && work->wpa_s != wpa_s)
+ continue;
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "Remove radio work '%s'@%p%s",
+ work->type, work, work->started ? " (started)" : "");
+ work->cb(work, 1);
+ radio_work_free(work);
+ }
+
+ /* in case we removed the started work */
+ radio_work_check_next(wpa_s);
+}
+
+
+static void radio_remove_interface(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_radio *radio = wpa_s->radio;
+
+ if (!radio)
+ return;
+
+ wpa_printf(MSG_DEBUG, "Remove interface %s from radio %s",
+ wpa_s->ifname, radio->name);
+ dl_list_del(&wpa_s->radio_list);
+ radio_remove_works(wpa_s, NULL, 0);
+ wpa_s->radio = NULL;
+ if (!dl_list_empty(&radio->ifaces))
+ return; /* Interfaces remain for this radio */
+
+ wpa_printf(MSG_DEBUG, "Remove radio %s", radio->name);
+ eloop_cancel_timeout(radio_start_next_work, radio, NULL);
+ os_free(radio);
+}
+
+
+void radio_work_check_next(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_radio *radio = wpa_s->radio;
+
+ if (dl_list_empty(&radio->work))
+ return;
+ if (wpa_s->ext_work_in_progress) {
+ wpa_printf(MSG_DEBUG,
+ "External radio work in progress - delay start of pending item");
+ return;
+ }
+ eloop_cancel_timeout(radio_start_next_work, radio, NULL);
+ eloop_register_timeout(0, 0, radio_start_next_work, radio, NULL);
+}
+
+
+/**
+ * radio_add_work - Add a radio work item
+ * @wpa_s: Pointer to wpa_supplicant data
+ * @freq: Frequency of the offchannel operation in MHz or 0
+ * @type: Unique identifier for each type of work
+ * @next: Force as the next work to be executed
+ * @cb: Callback function for indicating when radio is available
+ * @ctx: Context pointer for the work (work->ctx in cb())
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to request time for an operation that requires
+ * exclusive radio control. Once the radio is available, the registered callback
+ * function will be called. radio_work_done() must be called once the exclusive
+ * radio operation has been completed, so that the radio is freed for other
+ * operations. The special case of deinit=1 is used to free the context data
+ * during interface removal. That does not allow the callback function to start
+ * the radio operation, i.e., it must free any resources allocated for the radio
+ * work and return.
+ *
+ * The @freq parameter can be used to indicate a single channel on which the
+ * offchannel operation will occur. This may allow multiple radio work
+ * operations to be performed in parallel if they apply for the same channel.
+ * Setting this to 0 indicates that the work item may use multiple channels or
+ * requires exclusive control of the radio.
+ */
+int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
+ const char *type, int next,
+ void (*cb)(struct wpa_radio_work *work, int deinit),
+ void *ctx)
+{
+ struct wpa_radio *radio = wpa_s->radio;
+ struct wpa_radio_work *work;
+ int was_empty;
+
+ work = os_zalloc(sizeof(*work));
+ if (work == NULL)
+ return -1;
+ wpa_dbg(wpa_s, MSG_DEBUG, "Add radio work '%s'@%p", type, work);
+ os_get_reltime(&work->time);
+ work->freq = freq;
+ work->type = type;
+ work->wpa_s = wpa_s;
+ work->cb = cb;
+ work->ctx = ctx;
+
+ if (freq)
+ work->bands = wpas_freq_to_band(freq);
+ else if (os_strcmp(type, "scan") == 0 ||
+ os_strcmp(type, "p2p-scan") == 0)
+ work->bands = wpas_get_bands(wpa_s,
+ ((struct wpa_driver_scan_params *)
+ ctx)->freqs);
+ else
+ work->bands = wpas_get_bands(wpa_s, NULL);
+
+ was_empty = dl_list_empty(&wpa_s->radio->work);
+ if (next)
+ dl_list_add(&wpa_s->radio->work, &work->list);
+ else
+ dl_list_add_tail(&wpa_s->radio->work, &work->list);
+ if (was_empty) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "First radio work item in the queue - schedule start immediately");
+ radio_work_check_next(wpa_s);
+ } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS)
+ && radio->num_active_works < MAX_ACTIVE_WORKS) {
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "Try to schedule a radio work (num_active_works=%u)",
+ radio->num_active_works);
+ radio_work_check_next(wpa_s);
+ }
+
+ return 0;
+}
+
+
+/**
+ * radio_work_done - Indicate that a radio work item has been completed
+ * @work: Completed work
+ *
+ * This function is called once the callback function registered with
+ * radio_add_work() has completed its work.
+ */
+void radio_work_done(struct wpa_radio_work *work)
+{
+ struct wpa_supplicant *wpa_s = work->wpa_s;
+ struct os_reltime now, diff;
+ unsigned int started = work->started;
+
+ os_get_reltime(&now);
+ os_reltime_sub(&now, &work->time, &diff);
+ wpa_dbg(wpa_s, MSG_DEBUG, "Radio work '%s'@%p %s in %ld.%06ld seconds",
+ work->type, work, started ? "done" : "canceled",
+ diff.sec, diff.usec);
+ radio_work_free(work);
+ if (started)
+ radio_work_check_next(wpa_s);
+}
+
+
+struct wpa_radio_work *
+radio_work_pending(struct wpa_supplicant *wpa_s, const char *type)
+{
+ struct wpa_radio_work *work;
+ struct wpa_radio *radio = wpa_s->radio;
+
+ dl_list_for_each(work, &radio->work, struct wpa_radio_work, list) {
+ if (work->wpa_s == wpa_s && os_strcmp(work->type, type) == 0)
+ return work;
+ }
+
+ return NULL;
+}
+
+
+static int wpas_init_driver(struct wpa_supplicant *wpa_s,
+ struct wpa_interface *iface)
+{
+ const char *ifname, *driver, *rn;
+
+ driver = iface->driver;
+next_driver:
+ if (wpa_supplicant_set_driver(wpa_s, driver) < 0)
+ return -1;
+
+ wpa_s->drv_priv = wpa_drv_init(wpa_s, wpa_s->ifname);
+ if (wpa_s->drv_priv == NULL) {
+ const char *pos;
+ pos = driver ? os_strchr(driver, ',') : NULL;
+ if (pos) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Failed to initialize "
+ "driver interface - try next driver wrapper");
+ driver = pos + 1;
+ goto next_driver;
+ }
+ wpa_msg(wpa_s, MSG_ERROR, "Failed to initialize driver "
+ "interface");
+ return -1;
+ }
+ if (wpa_drv_set_param(wpa_s, wpa_s->conf->driver_param) < 0) {
+ wpa_msg(wpa_s, MSG_ERROR, "Driver interface rejected "
+ "driver_param '%s'", wpa_s->conf->driver_param);
+ return -1;
+ }
+
+ ifname = wpa_drv_get_ifname(wpa_s);
+ if (ifname && os_strcmp(ifname, wpa_s->ifname) != 0) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Driver interface replaced "
+ "interface name with '%s'", ifname);
+ os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
+ }
+
+ rn = wpa_driver_get_radio_name(wpa_s);
+ if (rn && rn[0] == '\0')
+ rn = NULL;
+
+ wpa_s->radio = radio_add_interface(wpa_s, rn);
+ if (wpa_s->radio == NULL)
+ return -1;
+
+ return 0;
+}
+
+
+static int wpa_supplicant_init_iface(struct wpa_supplicant *wpa_s,
+ struct wpa_interface *iface)
+{
+ struct wpa_driver_capa capa;
+ int capa_res;
+
+ wpa_printf(MSG_DEBUG, "Initializing interface '%s' conf '%s' driver "
+ "'%s' ctrl_interface '%s' bridge '%s'", iface->ifname,
+ iface->confname ? iface->confname : "N/A",
+ iface->driver ? iface->driver : "default",
+ iface->ctrl_interface ? iface->ctrl_interface : "N/A",
+ iface->bridge_ifname ? iface->bridge_ifname : "N/A");
+
+ if (iface->confname) {
+#ifdef CONFIG_BACKEND_FILE
+ wpa_s->confname = os_rel2abs_path(iface->confname);
+ if (wpa_s->confname == NULL) {
+ wpa_printf(MSG_ERROR, "Failed to get absolute path "
+ "for configuration file '%s'.",
+ iface->confname);
+ return -1;
+ }
+ wpa_printf(MSG_DEBUG, "Configuration file '%s' -> '%s'",
+ iface->confname, wpa_s->confname);
+#else /* CONFIG_BACKEND_FILE */
+ wpa_s->confname = os_strdup(iface->confname);
+#endif /* CONFIG_BACKEND_FILE */
+ wpa_s->conf = wpa_config_read(wpa_s->confname, NULL);
+ if (wpa_s->conf == NULL) {
+ wpa_printf(MSG_ERROR, "Failed to read or parse "
+ "configuration '%s'.", wpa_s->confname);
+ return -1;
+ }
+ wpa_s->confanother = os_rel2abs_path(iface->confanother);
+ wpa_config_read(wpa_s->confanother, wpa_s->conf);
+
+ /*
+ * Override ctrl_interface and driver_param if set on command
+ * line.
+ */
+ if (iface->ctrl_interface) {
+ os_free(wpa_s->conf->ctrl_interface);
+ wpa_s->conf->ctrl_interface =
+ os_strdup(iface->ctrl_interface);
+ }
+
+ if (iface->driver_param) {
+ os_free(wpa_s->conf->driver_param);
+ wpa_s->conf->driver_param =
+ os_strdup(iface->driver_param);
+ }
+
+ if (iface->p2p_mgmt && !iface->ctrl_interface) {
+ os_free(wpa_s->conf->ctrl_interface);
+ wpa_s->conf->ctrl_interface = NULL;
+ }
+ } else
+ wpa_s->conf = wpa_config_alloc_empty(iface->ctrl_interface,
+ iface->driver_param);
+
+ if (wpa_s->conf == NULL) {
+ wpa_printf(MSG_ERROR, "\nNo configuration found.");
+ return -1;
+ }
+
+ if (iface->ifname == NULL) {
+ wpa_printf(MSG_ERROR, "\nInterface name is required.");
+ return -1;
+ }
+ if (os_strlen(iface->ifname) >= sizeof(wpa_s->ifname)) {
+ wpa_printf(MSG_ERROR, "\nToo long interface name '%s'.",
+ iface->ifname);
+ return -1;
+ }
+ os_strlcpy(wpa_s->ifname, iface->ifname, sizeof(wpa_s->ifname));
+
+ if (iface->bridge_ifname) {
+ if (os_strlen(iface->bridge_ifname) >=
+ sizeof(wpa_s->bridge_ifname)) {
+ wpa_printf(MSG_ERROR, "\nToo long bridge interface "
+ "name '%s'.", iface->bridge_ifname);
+ return -1;
+ }
+ os_strlcpy(wpa_s->bridge_ifname, iface->bridge_ifname,
+ sizeof(wpa_s->bridge_ifname));
+ }
+
+ /* RSNA Supplicant Key Management - INITIALIZE */
+ eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
+ eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
+
+ /* Initialize driver interface and register driver event handler before
+ * L2 receive handler so that association events are processed before
+ * EAPOL-Key packets if both become available for the same select()
+ * call. */
+ if (wpas_init_driver(wpa_s, iface) < 0)
+ return -1;
+
+ if (wpa_supplicant_init_wpa(wpa_s) < 0)
+ return -1;
+
+ wpa_sm_set_ifname(wpa_s->wpa, wpa_s->ifname,
+ wpa_s->bridge_ifname[0] ? wpa_s->bridge_ifname :
+ NULL);
+ wpa_sm_set_fast_reauth(wpa_s->wpa, wpa_s->conf->fast_reauth);
+
+ if (wpa_s->conf->dot11RSNAConfigPMKLifetime &&
+ wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
+ wpa_s->conf->dot11RSNAConfigPMKLifetime)) {
+ wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for "
+ "dot11RSNAConfigPMKLifetime");
+ return -1;
+ }
+
+ if (wpa_s->conf->dot11RSNAConfigPMKReauthThreshold &&
+ wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
+ wpa_s->conf->dot11RSNAConfigPMKReauthThreshold)) {
+ wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for "
+ "dot11RSNAConfigPMKReauthThreshold");
+ return -1;
+ }
+
+ if (wpa_s->conf->dot11RSNAConfigSATimeout &&
+ wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT,
+ wpa_s->conf->dot11RSNAConfigSATimeout)) {
+ wpa_msg(wpa_s, MSG_ERROR, "Invalid WPA parameter value for "
+ "dot11RSNAConfigSATimeout");
+ return -1;
+ }
+
+ wpa_s->hw.modes = wpa_drv_get_hw_feature_data(wpa_s,
+ &wpa_s->hw.num_modes,
+ &wpa_s->hw.flags);
+ if (wpa_s->hw.modes) {
+ u16 i;
+
+ for (i = 0; i < wpa_s->hw.num_modes; i++) {
+ if (wpa_s->hw.modes[i].vht_capab) {
+ wpa_s->hw_capab = CAPAB_VHT;
+ break;
+ }
+
+ if (wpa_s->hw.modes[i].ht_capab &
+ HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)
+ wpa_s->hw_capab = CAPAB_HT40;
+ else if (wpa_s->hw.modes[i].ht_capab &&
+ wpa_s->hw_capab == CAPAB_NO_HT_VHT)
+ wpa_s->hw_capab = CAPAB_HT;
+ }
+ }
+
+ capa_res = wpa_drv_get_capa(wpa_s, &capa);
+ if (capa_res == 0) {
+ wpa_s->drv_capa_known = 1;
+ wpa_s->drv_flags = capa.flags;
+ wpa_s->drv_enc = capa.enc;
+ wpa_s->drv_smps_modes = capa.smps_modes;
+ wpa_s->drv_rrm_flags = capa.rrm_flags;
+ 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->max_sched_scan_plans = capa.max_sched_scan_plans;
+ wpa_s->max_sched_scan_plan_interval =
+ capa.max_sched_scan_plan_interval;
+ wpa_s->max_sched_scan_plan_iterations =
+ capa.max_sched_scan_plan_iterations;
+ wpa_s->sched_scan_supported = capa.sched_scan_supported;
+ wpa_s->max_match_sets = capa.max_match_sets;
+ wpa_s->max_remain_on_chan = capa.max_remain_on_chan;
+ wpa_s->max_stations = capa.max_stations;
+ wpa_s->extended_capa = capa.extended_capa;
+ wpa_s->extended_capa_mask = capa.extended_capa_mask;
+ wpa_s->extended_capa_len = capa.extended_capa_len;
+ wpa_s->num_multichan_concurrent =
+ capa.num_multichan_concurrent;
+ wpa_s->wmm_ac_supported = capa.wmm_ac_supported;
+
+ if (capa.mac_addr_rand_scan_supported)
+ wpa_s->mac_addr_rand_supported |= MAC_ADDR_RAND_SCAN;
+ if (wpa_s->sched_scan_supported &&
+ capa.mac_addr_rand_sched_scan_supported)
+ wpa_s->mac_addr_rand_supported |=
+ (MAC_ADDR_RAND_SCHED_SCAN | MAC_ADDR_RAND_PNO);
+ }
+ if (wpa_s->max_remain_on_chan == 0)
+ wpa_s->max_remain_on_chan = 1000;
+
+ /*
+ * Only take p2p_mgmt parameters when P2P Device is supported.
+ * Doing it here as it determines whether l2_packet_init() will be done
+ * during wpa_supplicant_driver_init().
+ */
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
+ wpa_s->p2p_mgmt = iface->p2p_mgmt;
+ else
+ iface->p2p_mgmt = 1;
+
+ if (wpa_s->num_multichan_concurrent == 0)
+ wpa_s->num_multichan_concurrent = 1;
+
+ if (wpa_supplicant_driver_init(wpa_s) < 0)
+ return -1;
+
+#ifdef CONFIG_TDLS
+ if ((!iface->p2p_mgmt ||
+ !(wpa_s->drv_flags &
+ WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)) &&
+ wpa_tdls_init(wpa_s->wpa))
+ return -1;
+#endif /* CONFIG_TDLS */
+
+ if (wpa_s->conf->country[0] && wpa_s->conf->country[1] &&
+ wpa_drv_set_country(wpa_s, wpa_s->conf->country)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Failed to set country");
+ return -1;
+ }
+
+#ifdef CONFIG_FST
+ if (wpa_s->conf->fst_group_id) {
+ struct fst_iface_cfg cfg;
+ struct fst_wpa_obj iface_obj;
+
+ fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
+ os_strlcpy(cfg.group_id, wpa_s->conf->fst_group_id,
+ sizeof(cfg.group_id));
+ cfg.priority = wpa_s->conf->fst_priority;
+ cfg.llt = wpa_s->conf->fst_llt;
+
+ wpa_s->fst = fst_attach(wpa_s->ifname, wpa_s->own_addr,
+ &iface_obj, &cfg);
+ if (!wpa_s->fst) {
+ wpa_msg(wpa_s, MSG_ERROR,
+ "FST: Cannot attach iface %s to group %s",
+ wpa_s->ifname, cfg.group_id);
+ return -1;
+ }
+ }
+#endif /* CONFIG_FST */
+
+ 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;
+ }
+
+ if (iface->p2p_mgmt && wpas_p2p_init(wpa_s->global, wpa_s) < 0) {
+ wpa_msg(wpa_s, MSG_ERROR, "Failed to init P2P");
+ return -1;
+ }
+
+ if (wpa_bss_init(wpa_s) < 0)
+ return -1;
+
+ /*
+ * Set Wake-on-WLAN triggers, if configured.
+ * Note: We don't restore/remove the triggers on shutdown (it doesn't
+ * have effect anyway when the interface is down).
+ */
+ if (capa_res == 0 && wpas_set_wowlan_triggers(wpa_s, &capa) < 0)
+ return -1;
+
+#ifdef CONFIG_EAP_PROXY
+{
+ size_t len;
+ wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, wpa_s->imsi,
+ &len);
+ if (wpa_s->mnc_len > 0) {
+ wpa_s->imsi[len] = '\0';
+ wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
+ wpa_s->imsi, wpa_s->mnc_len);
+ } else {
+ wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
+ }
+}
+#endif /* CONFIG_EAP_PROXY */
+
+ if (pcsc_reader_init(wpa_s) < 0)
+ return -1;
+
+ if (wpas_init_ext_pw(wpa_s) < 0)
+ return -1;
+
+ wpas_rrm_reset(wpa_s);
+
+ wpas_sched_scan_plans_set(wpa_s, wpa_s->conf->sched_scan_plans);
+
+#ifdef CONFIG_HS20
+ hs20_init(wpa_s);
+#endif /* CONFIG_HS20 */
+#ifdef CONFIG_MBO
+ wpas_mbo_update_non_pref_chan(wpa_s, wpa_s->conf->non_pref_chan);
+#endif /* CONFIG_MBO */
+
+ wpa_supplicant_set_default_scan_ies(wpa_s);
+
+ return 0;
+}
+
+
+static void wpa_supplicant_deinit_iface(struct wpa_supplicant *wpa_s,
+ int notify, int terminate)
+{
+ struct wpa_global *global = wpa_s->global;
+ struct wpa_supplicant *iface, *prev;
+
+ if (wpa_s == wpa_s->parent)
+ wpas_p2p_group_remove(wpa_s, "*");
+
+ iface = global->ifaces;
+ while (iface) {
+ if (iface->p2pdev == wpa_s)
+ iface->p2pdev = iface->parent;
+ if (iface == wpa_s || iface->parent != wpa_s) {
+ iface = iface->next;
+ continue;
+ }
+ wpa_printf(MSG_DEBUG,
+ "Remove remaining child interface %s from parent %s",
+ iface->ifname, wpa_s->ifname);
+ prev = iface;
+ iface = iface->next;
+ wpa_supplicant_remove_iface(global, prev, terminate);
+ }
+
+ wpa_s->disconnected = 1;
+ if (wpa_s->drv_priv) {
+ wpa_supplicant_deauthenticate(wpa_s,
+ WLAN_REASON_DEAUTH_LEAVING);
+
+ wpa_drv_set_countermeasures(wpa_s, 0);
+ wpa_clear_keys(wpa_s, NULL);
+ }
+
+ wpa_supplicant_cleanup(wpa_s);
+ wpas_p2p_deinit_iface(wpa_s);
+
+ wpas_ctrl_radio_work_flush(wpa_s);
+ radio_remove_interface(wpa_s);
+
+#ifdef CONFIG_FST
+ if (wpa_s->fst) {
+ fst_detach(wpa_s->fst);
+ wpa_s->fst = NULL;
+ }
+ if (wpa_s->received_mb_ies) {
+ wpabuf_free(wpa_s->received_mb_ies);
+ wpa_s->received_mb_ies = NULL;
+ }
+#endif /* CONFIG_FST */
+
+ 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;
+ }
+
+#ifdef CONFIG_MESH
+ if (wpa_s->ifmsh) {
+ wpa_supplicant_mesh_iface_deinit(wpa_s, wpa_s->ifmsh);
+ wpa_s->ifmsh = NULL;
+ }
+#endif /* CONFIG_MESH */
+
+ if (wpa_s->conf != NULL) {
+ wpa_config_free(wpa_s->conf);
+ wpa_s->conf = NULL;
+ }
+
+ os_free(wpa_s->ssids_from_scan_req);
+
+ os_free(wpa_s);
+}
+
+
+#ifdef CONFIG_MATCH_IFACE
+
+/**
+ * wpa_supplicant_match_iface - Match an interface description to a name
+ * @global: Pointer to global data from wpa_supplicant_init()
+ * @ifname: Name of the interface to match
+ * Returns: Pointer to the created interface description or %NULL on failure
+ */
+struct wpa_interface * wpa_supplicant_match_iface(struct wpa_global *global,
+ const char *ifname)
+{
+ int i;
+ struct wpa_interface *iface, *miface;
+
+ for (i = 0; i < global->params.match_iface_count; i++) {
+ miface = &global->params.match_ifaces[i];
+ if (!miface->ifname ||
+ fnmatch(miface->ifname, ifname, 0) == 0) {
+ iface = os_zalloc(sizeof(*iface));
+ if (!iface)
+ return NULL;
+ *iface = *miface;
+ iface->ifname = ifname;
+ return iface;
+ }
+ }
+
+ return NULL;
+}
+
+
+/**
+ * wpa_supplicant_match_existing - Match existing interfaces
+ * @global: Pointer to global data from wpa_supplicant_init()
+ * Returns: 0 on success, -1 on failure
+ */
+static int wpa_supplicant_match_existing(struct wpa_global *global)
+{
+ struct if_nameindex *ifi, *ifp;
+ struct wpa_supplicant *wpa_s;
+ struct wpa_interface *iface;
+
+ ifp = if_nameindex();
+ if (!ifp) {
+ wpa_printf(MSG_ERROR, "if_nameindex: %s", strerror(errno));
+ return -1;
+ }
+
+ for (ifi = ifp; ifi->if_name; ifi++) {
+ wpa_s = wpa_supplicant_get_iface(global, ifi->if_name);
+ if (wpa_s)
+ continue;
+ iface = wpa_supplicant_match_iface(global, ifi->if_name);
+ if (iface) {
+ wpa_s = wpa_supplicant_add_iface(global, iface, NULL);
+ os_free(iface);
+ if (wpa_s)
+ wpa_s->matched = 1;
+ }
+ }
+
+ if_freenameindex(ifp);
+ return 0;
+}
+
+#endif /* CONFIG_MATCH_IFACE */
+
+
+/**
+ * wpa_supplicant_add_iface - Add a new network interface
+ * @global: Pointer to global data from wpa_supplicant_init()
+ * @iface: Interface configuration options
+ * @parent: Parent interface or %NULL to assign new interface as parent
+ * 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 *parent)
+{
+ 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(parent);
+ if (wpa_s == NULL)
+ return NULL;
+
+ wpa_s->global = global;
+
+ t_iface = *iface;
+ if (global->params.override_driver) {
+ wpa_printf(MSG_DEBUG, "Override interface parameter: driver "
+ "('%s' -> '%s')",
+ iface->driver, global->params.override_driver);
+ t_iface.driver = global->params.override_driver;
+ }
+ if (global->params.override_ctrl_interface) {
+ wpa_printf(MSG_DEBUG, "Override interface parameter: "
+ "ctrl_interface ('%s' -> '%s')",
+ iface->ctrl_interface,
+ global->params.override_ctrl_interface);
+ t_iface.ctrl_interface =
+ global->params.override_ctrl_interface;
+ }
+ if (wpa_supplicant_init_iface(wpa_s, &t_iface)) {
+ wpa_printf(MSG_DEBUG, "Failed to add interface %s",
+ iface->ifname);
+ wpa_supplicant_deinit_iface(wpa_s, 0, 0);
+ return NULL;
+ }
+
+ if (iface->p2p_mgmt == 0) {
+ /* Notify the control interfaces about new iface */
+ if (wpas_notify_iface_added(wpa_s)) {
+ wpa_supplicant_deinit_iface(wpa_s, 1, 0);
+ return NULL;
+ }
+
+ for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
+ wpas_notify_network_added(wpa_s, ssid);
+ }
+
+ wpa_s->next = global->ifaces;
+ global->ifaces = wpa_s;
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "Added interface %s", wpa_s->ifname);
+ wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
+
+#ifdef CONFIG_P2P
+ if (wpa_s->global->p2p == NULL &&
+ !wpa_s->global->p2p_disabled && !wpa_s->conf->p2p_disabled &&
+ (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
+ wpas_p2p_add_p2pdev_interface(
+ wpa_s, wpa_s->global->params.conf_p2p_dev) < 0) {
+ wpa_printf(MSG_INFO,
+ "P2P: Failed to enable P2P Device interface");
+ /* Try to continue without. P2P will be disabled. */
+ }
+#endif /* CONFIG_P2P */
+
+ 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;
+#ifdef CONFIG_MESH
+ unsigned int mesh_if_created = wpa_s->mesh_if_created;
+ char *ifname = NULL;
+#endif /* CONFIG_MESH */
+
+ /* 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);
+
+#ifdef CONFIG_MESH
+ if (mesh_if_created) {
+ ifname = os_strdup(wpa_s->ifname);
+ if (ifname == NULL) {
+ wpa_dbg(wpa_s, MSG_ERROR,
+ "mesh: Failed to malloc ifname");
+ return -1;
+ }
+ }
+#endif /* CONFIG_MESH */
+
+ if (global->p2p_group_formation == wpa_s)
+ global->p2p_group_formation = NULL;
+ if (global->p2p_invite_group == wpa_s)
+ global->p2p_invite_group = NULL;
+ wpa_supplicant_deinit_iface(wpa_s, 1, terminate);
+
+#ifdef CONFIG_MESH
+ if (mesh_if_created) {
+ wpa_drv_if_remove(global->ifaces, WPA_IF_MESH, ifname);
+ os_free(ifname);
+ }
+#endif /* CONFIG_MESH */
+
+ 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 */
+
+
+#ifndef WPA_SUPPLICANT_CLEANUP_INTERVAL
+#define WPA_SUPPLICANT_CLEANUP_INTERVAL 10
+#endif /* WPA_SUPPLICANT_CLEANUP_INTERVAL */
+
+/* Periodic cleanup tasks */
+static void wpas_periodic(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_global *global = eloop_ctx;
+ struct wpa_supplicant *wpa_s;
+
+ eloop_register_timeout(WPA_SUPPLICANT_CLEANUP_INTERVAL, 0,
+ wpas_periodic, global, NULL);
+
+#ifdef CONFIG_P2P
+ if (global->p2p)
+ p2p_expire_peers(global->p2p);
+#endif /* CONFIG_P2P */
+
+ for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
+ wpa_bss_flush_by_age(wpa_s, wpa_s->conf->bss_expiration_age);
+#ifdef CONFIG_AP
+ ap_periodic(wpa_s);
+#endif /* CONFIG_AP */
+ }
+}
+
+
+/**
+ * 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 */
+
+ if (params->wpa_debug_file_path)
+ wpa_debug_open_file(params->wpa_debug_file_path);
+ else
+ wpa_debug_setup_stdout();
+ if (params->wpa_debug_syslog)
+ wpa_debug_open_syslog();
+ if (params->wpa_debug_tracing) {
+ ret = wpa_debug_open_linux_tracing();
+ if (ret) {
+ wpa_printf(MSG_ERROR,
+ "Failed to enable trace logging");
+ return NULL;
+ }
+ }
+
+ ret = eap_register_methods();
+ if (ret) {
+ wpa_printf(MSG_ERROR, "Failed to register EAP methods");
+ if (ret == -2)
+ wpa_printf(MSG_ERROR, "Two or more EAP methods used "
+ "the same EAP type.");
+ return NULL;
+ }
+
+ global = os_zalloc(sizeof(*global));
+ if (global == NULL)
+ return NULL;
+ dl_list_init(&global->p2p_srv_bonjour);
+ dl_list_init(&global->p2p_srv_upnp);
+ global->params.daemonize = params->daemonize;
+ global->params.wait_for_monitor = params->wait_for_monitor;
+ global->params.dbus_ctrl_interface = params->dbus_ctrl_interface;
+ if (params->pid_file)
+ global->params.pid_file = os_strdup(params->pid_file);
+ if (params->ctrl_interface)
+ global->params.ctrl_interface =
+ os_strdup(params->ctrl_interface);
+ if (params->ctrl_interface_group)
+ global->params.ctrl_interface_group =
+ os_strdup(params->ctrl_interface_group);
+ if (params->override_driver)
+ global->params.override_driver =
+ os_strdup(params->override_driver);
+ if (params->override_ctrl_interface)
+ global->params.override_ctrl_interface =
+ os_strdup(params->override_ctrl_interface);
+#ifdef CONFIG_MATCH_IFACE
+ global->params.match_iface_count = params->match_iface_count;
+ if (params->match_iface_count) {
+ global->params.match_ifaces =
+ os_calloc(params->match_iface_count,
+ sizeof(struct wpa_interface));
+ os_memcpy(global->params.match_ifaces,
+ params->match_ifaces,
+ params->match_iface_count *
+ sizeof(struct wpa_interface));
+ }
+#endif /* CONFIG_MATCH_IFACE */
+#ifdef CONFIG_P2P
+ if (params->conf_p2p_dev)
+ global->params.conf_p2p_dev =
+ os_strdup(params->conf_p2p_dev);
+#endif /* CONFIG_P2P */
+ 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_calloc(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 */
+
+ eloop_register_timeout(WPA_SUPPLICANT_CLEANUP_INTERVAL, 0,
+ wpas_periodic, global, NULL);
+
+ 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) ||
+ eloop_sock_requeue()))
+ return -1;
+
+#ifdef CONFIG_MATCH_IFACE
+ if (wpa_supplicant_match_existing(global))
+ return -1;
+#endif
+
+ if (global->params.wait_for_monitor) {
+ for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
+ if (wpa_s->ctrl_iface && !wpa_s->p2p_mgmt)
+ 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;
+
+ eloop_cancel_timeout(wpas_periodic, global, NULL);
+
+#ifdef CONFIG_WIFI_DISPLAY
+ wifi_display_deinit(global);
+#endif /* CONFIG_WIFI_DISPLAY */
+
+ while (global->ifaces)
+ wpa_supplicant_remove_iface(global, global->ifaces, 1);
+
+ if (global->ctrl_iface)
+ wpa_supplicant_global_ctrl_iface_deinit(global->ctrl_iface);
+
+ wpas_notify_supplicant_deinitialized(global);
+
+ eap_peer_unregister_methods();
+#ifdef CONFIG_AP
+ eap_server_unregister_methods();
+#endif /* CONFIG_AP */
+
+ for (i = 0; wpa_drivers[i] && global->drv_priv; i++) {
+ if (!global->drv_priv[i])
+ continue;
+ wpa_drivers[i]->global_deinit(global->drv_priv[i]);
+ }
+ os_free(global->drv_priv);
+
+ random_deinit();
+
+ eloop_destroy();
+
+ if (global->params.pid_file) {
+ os_daemonize_terminate(global->params.pid_file);
+ os_free(global->params.pid_file);
+ }
+ os_free(global->params.ctrl_interface);
+ os_free(global->params.ctrl_interface_group);
+ os_free(global->params.override_driver);
+ os_free(global->params.override_ctrl_interface);
+#ifdef CONFIG_MATCH_IFACE
+ os_free(global->params.match_ifaces);
+#endif /* CONFIG_MATCH_IFACE */
+#ifdef CONFIG_P2P
+ os_free(global->params.conf_p2p_dev);
+#endif /* CONFIG_P2P */
+
+ os_free(global->p2p_disallow_freq.range);
+ os_free(global->p2p_go_avoid_freq.range);
+ os_free(global->add_psk);
+
+ os_free(global);
+ wpa_debug_close_syslog();
+ wpa_debug_close_file();
+ wpa_debug_close_linux_tracing();
+}
+
+
+void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s)
+{
+ if ((wpa_s->conf->changed_parameters & CFG_CHANGED_COUNTRY) &&
+ wpa_s->conf->country[0] && wpa_s->conf->country[1]) {
+ char country[3];
+ country[0] = wpa_s->conf->country[0];
+ country[1] = wpa_s->conf->country[1];
+ country[2] = '\0';
+ if (wpa_drv_set_country(wpa_s, country) < 0) {
+ wpa_printf(MSG_ERROR, "Failed to set country code "
+ "'%s'", country);
+ }
+ }
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_EXT_PW_BACKEND)
+ wpas_init_ext_pw(wpa_s);
+
+ if (wpa_s->conf->changed_parameters & CFG_CHANGED_SCHED_SCAN_PLANS)
+ wpas_sched_scan_plans_set(wpa_s, wpa_s->conf->sched_scan_plans);
+
+#ifdef CONFIG_WPS
+ wpas_wps_update_config(wpa_s);
+#endif /* CONFIG_WPS */
+ wpas_p2p_update_config(wpa_s);
+ wpa_s->conf->changed_parameters = 0;
+}
+
+
+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_calloc(max_freqs + 1, sizeof(int));
+ if (freqs == NULL)
+ return NULL;
+
+ cbss = wpa_s->current_bss;
+
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
+ if (bss == cbss)
+ continue;
+ if (bss->ssid_len == cbss->ssid_len &&
+ os_memcmp(bss->ssid, cbss->ssid, bss->ssid_len) == 0 &&
+ wpa_blacklist_get(wpa_s, bss->bssid) == NULL) {
+ add_freq(freqs, &num_freqs, bss->freq);
+ if (num_freqs == max_freqs)
+ break;
+ }
+ }
+
+ if (num_freqs == 0) {
+ os_free(freqs);
+ freqs = NULL;
+ }
+
+ return freqs;
+}
+
+
+void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid)
+{
+ int timeout;
+ int count;
+ int *freqs = NULL;
+
+ wpas_connect_work_done(wpa_s);
+
+ /*
+ * Remove possible authentication timeout since the connection failed.
+ */
+ eloop_cancel_timeout(wpa_supplicant_timeout, wpa_s, NULL);
+
+ /*
+ * There is no point in blacklisting the AP if this event is
+ * generated based on local request to disconnect.
+ */
+ if (wpa_s->own_disconnect_req) {
+ wpa_s->own_disconnect_req = 0;
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "Ignore connection failure due to local request to disconnect");
+ return;
+ }
+ if (wpa_s->disconnected) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Ignore connection failure "
+ "indication since interface has been put into "
+ "disconnected state");
+ return;
+ }
+
+ /*
+ * Add the failed BSSID into the blacklist and speed up next scan
+ * attempt if there could be other APs that could accept association.
+ * The current blacklist count indicates how many times we have tried
+ * connecting to this AP and multiple attempts mean that other APs are
+ * either not available or has already been tried, so that we can start
+ * increasing the delay here to avoid constant scanning.
+ */
+ count = wpa_blacklist_add(wpa_s, bssid);
+ if (count == 1 && wpa_s->current_bss) {
+ /*
+ * This BSS was not in the blacklist before. If there is
+ * another BSS available for the same ESS, we should try that
+ * next. Otherwise, we may as well try this one once more
+ * before allowing other, likely worse, ESSes to be considered.
+ */
+ freqs = get_bss_freqs_in_ess(wpa_s);
+ if (freqs) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Another BSS in this ESS "
+ "has been seen; try it next");
+ wpa_blacklist_add(wpa_s, bssid);
+ /*
+ * On the next scan, go through only the known channels
+ * used in this ESS based on previous scans to speed up
+ * common load balancing use case.
+ */
+ os_free(wpa_s->next_scan_freqs);
+ wpa_s->next_scan_freqs = freqs;
+ }
+ }
+
+ /*
+ * Add previous failure count in case the temporary blacklist was
+ * cleared due to no other BSSes being available.
+ */
+ count += wpa_s->extra_blacklist_count;
+
+ if (count > 3 && wpa_s->current_ssid) {
+ wpa_printf(MSG_DEBUG, "Continuous association failures - "
+ "consider temporary network disabling");
+ wpas_auth_failed(wpa_s, "CONN_FAILED");
+ }
+
+ switch (count) {
+ case 1:
+ timeout = 100;
+ break;
+ case 2:
+ timeout = 500;
+ break;
+ case 3:
+ timeout = 1000;
+ break;
+ case 4:
+ timeout = 5000;
+ break;
+ default:
+ timeout = 10000;
+ break;
+ }
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "Blacklist count %d --> request scan in %d "
+ "ms", count, timeout);
+
+ /*
+ * TODO: if more than one possible AP is available in scan results,
+ * could try the other ones before requesting a new scan.
+ */
+ wpa_supplicant_req_scan(wpa_s, timeout / 1000,
+ 1000 * (timeout % 1000));
+}
+
+
+int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s)
+{
+ return wpa_s->conf->ap_scan == 2 ||
+ (wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION);
+}
+
+
+#if defined(CONFIG_CTRL_IFACE) || defined(CONFIG_CTRL_IFACE_DBUS_NEW)
+int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid,
+ const char *field,
+ const char *value)
+{
+#ifdef IEEE8021X_EAPOL
+ struct eap_peer_config *eap = &ssid->eap;
+
+ wpa_printf(MSG_DEBUG, "CTRL_IFACE: response handle field=%s", field);
+ wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: response value",
+ (const u8 *) value, os_strlen(value));
+
+ switch (wpa_supplicant_ctrl_req_from_string(field)) {
+ case WPA_CTRL_REQ_EAP_IDENTITY:
+ os_free(eap->identity);
+ eap->identity = (u8 *) os_strdup(value);
+ eap->identity_len = os_strlen(value);
+ eap->pending_req_identity = 0;
+ if (ssid == wpa_s->current_ssid)
+ wpa_s->reassociate = 1;
+ break;
+ case WPA_CTRL_REQ_EAP_PASSWORD:
+ bin_clear_free(eap->password, eap->password_len);
+ 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:
+ bin_clear_free(eap->new_password, eap->new_password_len);
+ 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:
+ str_clear_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:
+ bin_clear_free(eap->otp, eap->otp_len);
+ 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:
+ str_clear_free(eap->private_key_passwd);
+ eap->private_key_passwd = os_strdup(value);
+ eap->pending_req_passphrase = 0;
+ if (ssid == wpa_s->current_ssid)
+ wpa_s->reassociate = 1;
+ break;
+ case WPA_CTRL_REQ_SIM:
+ str_clear_free(eap->external_sim_resp);
+ eap->external_sim_resp = os_strdup(value);
+ break;
+ case WPA_CTRL_REQ_PSK_PASSPHRASE:
+ if (wpa_config_set(ssid, "psk", value, 0) < 0)
+ return -1;
+ ssid->mem_only_psk = 1;
+ if (ssid->passphrase)
+ wpa_config_update_psk(ssid);
+ if (wpa_s->wpa_state == WPA_SCANNING && !wpa_s->scanning)
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+ break;
+ case WPA_CTRL_REQ_EXT_CERT_CHECK:
+ if (eap->pending_ext_cert_check != PENDING_CHECK)
+ return -1;
+ if (os_strcmp(value, "good") == 0)
+ eap->pending_ext_cert_check = EXT_CERT_CHECK_GOOD;
+ else if (os_strcmp(value, "bad") == 0)
+ eap->pending_ext_cert_check = EXT_CERT_CHECK_BAD;
+ else
+ return -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 (wpa_s->p2p_mgmt)
+ return 1; /* no normal network profiles on p2p_mgmt interface */
+
+ if (ssid == NULL)
+ return 1;
+
+ if (ssid->disabled)
+ return 1;
+
+ if (wpa_s->drv_capa_known)
+ drv_enc = wpa_s->drv_enc;
+ else
+ drv_enc = (unsigned int) -1;
+
+ for (i = 0; i < NUM_WEP_KEYS; i++) {
+ size_t len = ssid->wep_key_len[i];
+ if (len == 0)
+ continue;
+ if (len == 5 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP40))
+ continue;
+ if (len == 13 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP104))
+ continue;
+ if (len == 16 && (drv_enc & WPA_DRIVER_CAPA_ENC_WEP128))
+ continue;
+ return 1; /* invalid WEP key */
+ }
+
+ if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set &&
+ (!ssid->passphrase || ssid->ssid_len != 0) && !ssid->ext_psk &&
+ !ssid->mem_only_psk)
+ return 1;
+
+ return 0;
+}
+
+
+int wpas_get_ssid_pmf(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
+{
+#ifdef CONFIG_IEEE80211W
+ if (ssid == NULL || ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT) {
+ if (wpa_s->conf->pmf == MGMT_FRAME_PROTECTION_OPTIONAL &&
+ !(wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_BIP)) {
+ /*
+ * Driver does not support BIP -- ignore pmf=1 default
+ * since the connection with PMF would fail and the
+ * configuration does not require PMF to be enabled.
+ */
+ return NO_MGMT_FRAME_PROTECTION;
+ }
+
+ if (ssid &&
+ (ssid->key_mgmt &
+ ~(WPA_KEY_MGMT_NONE | WPA_KEY_MGMT_WPS |
+ WPA_KEY_MGMT_IEEE8021X_NO_WPA)) == 0) {
+ /*
+ * Do not use the default PMF value for non-RSN networks
+ * since PMF is available only with RSN and pmf=2
+ * configuration would otherwise prevent connections to
+ * all open networks.
+ */
+ return NO_MGMT_FRAME_PROTECTION;
+ }
+
+ return wpa_s->conf->pmf;
+ }
+
+ return ssid->ieee80211w;
+#else /* CONFIG_IEEE80211W */
+ return NO_MGMT_FRAME_PROTECTION;
+#endif /* CONFIG_IEEE80211W */
+}
+
+
+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, char *reason)
+{
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+ int dur;
+ struct os_reltime now;
+
+ if (ssid == NULL) {
+ wpa_printf(MSG_DEBUG, "Authentication failure but no known "
+ "SSID block");
+ return;
+ }
+
+ if (ssid->key_mgmt == WPA_KEY_MGMT_WPS)
+ return;
+
+ ssid->auth_failures++;
+
+#ifdef CONFIG_P2P
+ if (ssid->p2p_group &&
+ (wpa_s->p2p_in_provisioning || wpa_s->show_group_started)) {
+ /*
+ * Skip the wait time since there is a short timeout on the
+ * connection to a P2P group.
+ */
+ return;
+ }
+#endif /* CONFIG_P2P */
+
+ if (ssid->auth_failures > 50)
+ dur = 300;
+ else if (ssid->auth_failures > 10)
+ dur = 120;
+ else if (ssid->auth_failures > 5)
+ dur = 90;
+ else if (ssid->auth_failures > 3)
+ dur = 60;
+ else if (ssid->auth_failures > 2)
+ dur = 30;
+ else if (ssid->auth_failures > 1)
+ dur = 20;
+ else
+ dur = 10;
+
+ if (ssid->auth_failures > 1 &&
+ wpa_key_mgmt_wpa_ieee8021x(ssid->key_mgmt))
+ dur += os_random() % (ssid->auth_failures * 10);
+
+ os_get_reltime(&now);
+ if (now.sec + dur <= ssid->disabled_until.sec)
+ return;
+
+ ssid->disabled_until.sec = now.sec + dur;
+
+ wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_TEMP_DISABLED
+ "id=%d ssid=\"%s\" auth_failures=%u duration=%d reason=%s",
+ ssid->id, wpa_ssid_txt(ssid->ssid, ssid->ssid_len),
+ ssid->auth_failures, dur, reason);
+}
+
+
+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_s->scan_req = NORMAL_SCAN_REQ;
+ wpa_supplicant_reinit_autoscan(wpa_s);
+ wpa_s->extra_blacklist_count = 0;
+ wpa_s->disconnected = 0;
+ wpa_s->reassociate = 1;
+
+ if (wpa_supplicant_fast_associate(wpa_s) != 1)
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+ else
+ wpa_s->reattach = 0;
+}
+
+
+/**
+ * wpas_request_disconnection - Request disconnection
+ * @wpa_s: Pointer to the network interface
+ *
+ * This function is used to request disconnection from the currently connected
+ * network. This will stop any ongoing scans and initiate deauthentication.
+ */
+void wpas_request_disconnection(struct wpa_supplicant *wpa_s)
+{
+#ifdef CONFIG_SME
+ wpa_s->sme.prev_bssid_set = 0;
+#endif /* CONFIG_SME */
+ wpa_s->reassociate = 0;
+ wpa_s->disconnected = 1;
+ wpa_supplicant_cancel_sched_scan(wpa_s);
+ wpa_supplicant_cancel_scan(wpa_s);
+ wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
+ eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
+}
+
+
+void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title,
+ struct wpa_used_freq_data *freqs_data,
+ unsigned int len)
+{
+ unsigned int i;
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "Shared frequencies (len=%u): %s",
+ len, title);
+ for (i = 0; i < len; i++) {
+ struct wpa_used_freq_data *cur = &freqs_data[i];
+ wpa_dbg(wpa_s, MSG_DEBUG, "freq[%u]: %d, flags=0x%X",
+ i, cur->freq, cur->flags);
+ }
+}
+
+
+/*
+ * Find the operating frequencies of any of the virtual interfaces that
+ * are using the same radio as the current interface, and in addition, get
+ * information about the interface types that are using the frequency.
+ */
+int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s,
+ struct wpa_used_freq_data *freqs_data,
+ unsigned int len)
+{
+ struct wpa_supplicant *ifs;
+ u8 bssid[ETH_ALEN];
+ int freq;
+ unsigned int idx = 0, i;
+
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "Determining shared radio frequencies (max len %u)", len);
+ os_memset(freqs_data, 0, sizeof(struct wpa_used_freq_data) * len);
+
+ dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
+ radio_list) {
+ if (idx == len)
+ break;
+
+ if (ifs->current_ssid == NULL || ifs->assoc_freq == 0)
+ continue;
+
+ if (ifs->current_ssid->mode == WPAS_MODE_AP ||
+ ifs->current_ssid->mode == WPAS_MODE_P2P_GO ||
+ ifs->current_ssid->mode == WPAS_MODE_MESH)
+ freq = ifs->current_ssid->frequency;
+ else if (wpa_drv_get_bssid(ifs, bssid) == 0)
+ freq = ifs->assoc_freq;
+ else
+ continue;
+
+ /* Hold only distinct freqs */
+ for (i = 0; i < idx; i++)
+ if (freqs_data[i].freq == freq)
+ break;
+
+ if (i == idx)
+ freqs_data[idx++].freq = freq;
+
+ if (ifs->current_ssid->mode == WPAS_MODE_INFRA) {
+ freqs_data[i].flags |= ifs->current_ssid->p2p_group ?
+ WPA_FREQ_USED_BY_P2P_CLIENT :
+ WPA_FREQ_USED_BY_INFRA_STATION;
+ }
+ }
+
+ dump_freq_data(wpa_s, "completed iteration", freqs_data, idx);
+ return idx;
+}
+
+
+/*
+ * Find the operating frequencies of any of the virtual interfaces that
+ * are using the same radio as the current interface.
+ */
+int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
+ int *freq_array, unsigned int len)
+{
+ struct wpa_used_freq_data *freqs_data;
+ int num, i;
+
+ os_memset(freq_array, 0, sizeof(int) * len);
+
+ freqs_data = os_calloc(len, sizeof(struct wpa_used_freq_data));
+ if (!freqs_data)
+ return -1;
+
+ num = get_shared_radio_freqs_data(wpa_s, freqs_data, len);
+ for (i = 0; i < num; i++)
+ freq_array[i] = freqs_data[i].freq;
+
+ os_free(freqs_data);
+
+ return num;
+}
+
+
+static void wpas_rrm_neighbor_rep_timeout_handler(void *data, void *user_ctx)
+{
+ struct rrm_data *rrm = data;
+
+ if (!rrm->notify_neighbor_rep) {
+ wpa_printf(MSG_ERROR,
+ "RRM: Unexpected neighbor report timeout");
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "RRM: Notifying neighbor report - NONE");
+ rrm->notify_neighbor_rep(rrm->neighbor_rep_cb_ctx, NULL);
+
+ rrm->notify_neighbor_rep = NULL;
+ rrm->neighbor_rep_cb_ctx = NULL;
+}
+
+
+/*
+ * wpas_rrm_reset - Clear and reset all RRM data in wpa_supplicant
+ * @wpa_s: Pointer to wpa_supplicant
+ */
+void wpas_rrm_reset(struct wpa_supplicant *wpa_s)
+{
+ wpa_s->rrm.rrm_used = 0;
+
+ eloop_cancel_timeout(wpas_rrm_neighbor_rep_timeout_handler, &wpa_s->rrm,
+ NULL);
+ if (wpa_s->rrm.notify_neighbor_rep)
+ wpas_rrm_neighbor_rep_timeout_handler(&wpa_s->rrm, NULL);
+ wpa_s->rrm.next_neighbor_rep_token = 1;
+}
+
+
+/*
+ * wpas_rrm_process_neighbor_rep - Handle incoming neighbor report
+ * @wpa_s: Pointer to wpa_supplicant
+ * @report: Neighbor report buffer, prefixed by a 1-byte dialog token
+ * @report_len: Length of neighbor report buffer
+ */
+void wpas_rrm_process_neighbor_rep(struct wpa_supplicant *wpa_s,
+ const u8 *report, size_t report_len)
+{
+ struct wpabuf *neighbor_rep;
+
+ wpa_hexdump(MSG_DEBUG, "RRM: New Neighbor Report", report, report_len);
+ if (report_len < 1)
+ return;
+
+ if (report[0] != wpa_s->rrm.next_neighbor_rep_token - 1) {
+ wpa_printf(MSG_DEBUG,
+ "RRM: Discarding neighbor report with token %d (expected %d)",
+ report[0], wpa_s->rrm.next_neighbor_rep_token - 1);
+ return;
+ }
+
+ eloop_cancel_timeout(wpas_rrm_neighbor_rep_timeout_handler, &wpa_s->rrm,
+ NULL);
+
+ if (!wpa_s->rrm.notify_neighbor_rep) {
+ wpa_printf(MSG_ERROR, "RRM: Unexpected neighbor report");
+ return;
+ }
+
+ /* skipping the first byte, which is only an id (dialog token) */
+ neighbor_rep = wpabuf_alloc(report_len - 1);
+ if (neighbor_rep == NULL)
+ return;
+ wpabuf_put_data(neighbor_rep, report + 1, report_len - 1);
+ wpa_printf(MSG_DEBUG, "RRM: Notifying neighbor report (token = %d)",
+ report[0]);
+ wpa_s->rrm.notify_neighbor_rep(wpa_s->rrm.neighbor_rep_cb_ctx,
+ neighbor_rep);
+ wpa_s->rrm.notify_neighbor_rep = NULL;
+ wpa_s->rrm.neighbor_rep_cb_ctx = NULL;
+}
+
+
+#if defined(__CYGWIN__) || defined(CONFIG_NATIVE_WINDOWS)
+/* Workaround different, undefined for Windows, error codes used here */
+#define ENOTCONN -1
+#define EOPNOTSUPP -1
+#define ECANCELED -1
+#endif
+
+/* Measurement Request element + Location Subject + Maximum Age subelement */
+#define MEASURE_REQUEST_LCI_LEN (3 + 1 + 4)
+/* Measurement Request element + Location Civic Request */
+#define MEASURE_REQUEST_CIVIC_LEN (3 + 5)
+
+
+/**
+ * wpas_rrm_send_neighbor_rep_request - Request a neighbor report from our AP
+ * @wpa_s: Pointer to wpa_supplicant
+ * @ssid: if not null, this is sent in the request. Otherwise, no SSID IE
+ * is sent in the request.
+ * @lci: if set, neighbor request will include LCI request
+ * @civic: if set, neighbor request will include civic location request
+ * @cb: Callback function to be called once the requested report arrives, or
+ * timed out after RRM_NEIGHBOR_REPORT_TIMEOUT seconds.
+ * In the former case, 'neighbor_rep' is a newly allocated wpabuf, and it's
+ * the requester's responsibility to free it.
+ * In the latter case NULL will be sent in 'neighbor_rep'.
+ * @cb_ctx: Context value to send the callback function
+ * Returns: 0 in case of success, negative error code otherwise
+ *
+ * In case there is a previous request which has not been answered yet, the
+ * new request fails. The caller may retry after RRM_NEIGHBOR_REPORT_TIMEOUT.
+ * Request must contain a callback function.
+ */
+int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant *wpa_s,
+ const struct wpa_ssid_value *ssid,
+ int lci, int civic,
+ void (*cb)(void *ctx,
+ struct wpabuf *neighbor_rep),
+ void *cb_ctx)
+{
+ struct wpabuf *buf;
+ const u8 *rrm_ie;
+
+ if (wpa_s->wpa_state != WPA_COMPLETED || wpa_s->current_ssid == NULL) {
+ wpa_printf(MSG_DEBUG, "RRM: No connection, no RRM.");
+ return -ENOTCONN;
+ }
+
+ if (!wpa_s->rrm.rrm_used) {
+ wpa_printf(MSG_DEBUG, "RRM: No RRM in current connection.");
+ return -EOPNOTSUPP;
+ }
+
+ rrm_ie = wpa_bss_get_ie(wpa_s->current_bss,
+ WLAN_EID_RRM_ENABLED_CAPABILITIES);
+ if (!rrm_ie || !(wpa_s->current_bss->caps & IEEE80211_CAP_RRM) ||
+ !(rrm_ie[2] & WLAN_RRM_CAPS_NEIGHBOR_REPORT)) {
+ wpa_printf(MSG_DEBUG,
+ "RRM: No network support for Neighbor Report.");
+ return -EOPNOTSUPP;
+ }
+
+ if (!cb) {
+ wpa_printf(MSG_DEBUG,
+ "RRM: Neighbor Report request must provide a callback.");
+ return -EINVAL;
+ }
+
+ /* Refuse if there's a live request */
+ if (wpa_s->rrm.notify_neighbor_rep) {
+ wpa_printf(MSG_DEBUG,
+ "RRM: Currently handling previous Neighbor Report.");
+ return -EBUSY;
+ }
+
+ /* 3 = action category + action code + dialog token */
+ buf = wpabuf_alloc(3 + (ssid ? 2 + ssid->ssid_len : 0) +
+ (lci ? 2 + MEASURE_REQUEST_LCI_LEN : 0) +
+ (civic ? 2 + MEASURE_REQUEST_CIVIC_LEN : 0));
+ if (buf == NULL) {
+ wpa_printf(MSG_DEBUG,
+ "RRM: Failed to allocate Neighbor Report Request");
+ return -ENOMEM;
+ }
+
+ wpa_printf(MSG_DEBUG, "RRM: Neighbor report request (for %s), token=%d",
+ (ssid ? wpa_ssid_txt(ssid->ssid, ssid->ssid_len) : ""),
+ wpa_s->rrm.next_neighbor_rep_token);
+
+ wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT);
+ wpabuf_put_u8(buf, WLAN_RRM_NEIGHBOR_REPORT_REQUEST);
+ wpabuf_put_u8(buf, wpa_s->rrm.next_neighbor_rep_token);
+ if (ssid) {
+ wpabuf_put_u8(buf, WLAN_EID_SSID);
+ wpabuf_put_u8(buf, ssid->ssid_len);
+ wpabuf_put_data(buf, ssid->ssid, ssid->ssid_len);
+ }
+
+ if (lci) {
+ /* IEEE P802.11-REVmc/D5.0 9.4.2.21 */
+ wpabuf_put_u8(buf, WLAN_EID_MEASURE_REQUEST);
+ wpabuf_put_u8(buf, MEASURE_REQUEST_LCI_LEN);
+
+ /*
+ * Measurement token; nonzero number that is unique among the
+ * Measurement Request elements in a particular frame.
+ */
+ wpabuf_put_u8(buf, 1); /* Measurement Token */
+
+ /*
+ * Parallel, Enable, Request, and Report bits are 0, Duration is
+ * reserved.
+ */
+ wpabuf_put_u8(buf, 0); /* Measurement Request Mode */
+ wpabuf_put_u8(buf, MEASURE_TYPE_LCI); /* Measurement Type */
+
+ /* IEEE P802.11-REVmc/D5.0 9.4.2.21.10 - LCI request */
+ /* Location Subject */
+ wpabuf_put_u8(buf, LOCATION_SUBJECT_REMOTE);
+
+ /* Optional Subelements */
+ /*
+ * IEEE P802.11-REVmc/D5.0 Figure 9-170
+ * The Maximum Age subelement is required, otherwise the AP can
+ * send only data that was determined after receiving the
+ * request. Setting it here to unlimited age.
+ */
+ wpabuf_put_u8(buf, LCI_REQ_SUBELEM_MAX_AGE);
+ wpabuf_put_u8(buf, 2);
+ wpabuf_put_le16(buf, 0xffff);
+ }
+
+ if (civic) {
+ /* IEEE P802.11-REVmc/D5.0 9.4.2.21 */
+ wpabuf_put_u8(buf, WLAN_EID_MEASURE_REQUEST);
+ wpabuf_put_u8(buf, MEASURE_REQUEST_CIVIC_LEN);
+
+ /*
+ * Measurement token; nonzero number that is unique among the
+ * Measurement Request elements in a particular frame.
+ */
+ wpabuf_put_u8(buf, 2); /* Measurement Token */
+
+ /*
+ * Parallel, Enable, Request, and Report bits are 0, Duration is
+ * reserved.
+ */
+ wpabuf_put_u8(buf, 0); /* Measurement Request Mode */
+ /* Measurement Type */
+ wpabuf_put_u8(buf, MEASURE_TYPE_LOCATION_CIVIC);
+
+ /* IEEE P802.11-REVmc/D5.0 9.4.2.21.14:
+ * Location Civic request */
+ /* Location Subject */
+ wpabuf_put_u8(buf, LOCATION_SUBJECT_REMOTE);
+ wpabuf_put_u8(buf, 0); /* Civic Location Type: IETF RFC 4776 */
+ /* Location Service Interval Units: Seconds */
+ wpabuf_put_u8(buf, 0);
+ /* Location Service Interval: 0 - Only one report is requested
+ */
+ wpabuf_put_le16(buf, 0);
+ /* No optional subelements */
+ }
+
+ wpa_s->rrm.next_neighbor_rep_token++;
+
+ if (wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid,
+ wpa_s->own_addr, wpa_s->bssid,
+ wpabuf_head(buf), wpabuf_len(buf), 0) < 0) {
+ wpa_printf(MSG_DEBUG,
+ "RRM: Failed to send Neighbor Report Request");
+ wpabuf_free(buf);
+ return -ECANCELED;
+ }
+
+ wpa_s->rrm.neighbor_rep_cb_ctx = cb_ctx;
+ wpa_s->rrm.notify_neighbor_rep = cb;
+ eloop_register_timeout(RRM_NEIGHBOR_REPORT_TIMEOUT, 0,
+ wpas_rrm_neighbor_rep_timeout_handler,
+ &wpa_s->rrm, NULL);
+
+ wpabuf_free(buf);
+ return 0;
+}
+
+
+static struct wpabuf * wpas_rrm_build_lci_report(struct wpa_supplicant *wpa_s,
+ const u8 *request, size_t len,
+ struct wpabuf *report)
+{
+ u8 token, type, subject;
+ u16 max_age = 0;
+ struct os_reltime t, diff;
+ unsigned long diff_l;
+ u8 *ptoken;
+ const u8 *subelem;
+
+ if (!wpa_s->lci || len < 3 + 4)
+ return report;
+
+ token = *request++;
+ /* Measurement request mode isn't used */
+ request++;
+ type = *request++;
+ subject = *request++;
+
+ wpa_printf(MSG_DEBUG,
+ "Measurement request token %u type %u location subject %u",
+ token, type, subject);
+
+ if (type != MEASURE_TYPE_LCI || subject != LOCATION_SUBJECT_REMOTE) {
+ wpa_printf(MSG_INFO,
+ "Not building LCI report - bad type or location subject");
+ return report;
+ }
+
+ /* Subelements are formatted exactly like elements */
+ subelem = get_ie(request, len, LCI_REQ_SUBELEM_MAX_AGE);
+ if (subelem && subelem[1] == 2)
+ max_age = WPA_GET_LE16(subelem + 2);
+
+ if (os_get_reltime(&t))
+ return report;
+
+ os_reltime_sub(&t, &wpa_s->lci_time, &diff);
+ /* LCI age is calculated in 10th of a second units. */
+ diff_l = diff.sec * 10 + diff.usec / 100000;
+
+ if (max_age != 0xffff && max_age < diff_l)
+ return report;
+
+ if (wpabuf_resize(&report, 2 + wpabuf_len(wpa_s->lci)))
+ return report;
+
+ wpabuf_put_u8(report, WLAN_EID_MEASURE_REPORT);
+ wpabuf_put_u8(report, wpabuf_len(wpa_s->lci));
+ /* We'll override user's measurement token */
+ ptoken = wpabuf_put(report, 0);
+ wpabuf_put_buf(report, wpa_s->lci);
+ *ptoken = token;
+
+ return report;
+}
+
+
+void wpas_rrm_handle_radio_measurement_request(struct wpa_supplicant *wpa_s,
+ const u8 *src,
+ const u8 *frame, size_t len)
+{
+ struct wpabuf *buf, *report;
+ u8 token;
+ const u8 *ie, *end;
+
+ if (wpa_s->wpa_state != WPA_COMPLETED) {
+ wpa_printf(MSG_INFO,
+ "RRM: Ignoring radio measurement request: Not associated");
+ return;
+ }
+
+ if (!wpa_s->rrm.rrm_used) {
+ wpa_printf(MSG_INFO,
+ "RRM: Ignoring radio measurement request: Not RRM network");
+ return;
+ }
+
+ if (len < 3) {
+ wpa_printf(MSG_INFO,
+ "RRM: Ignoring too short radio measurement request");
+ return;
+ }
+
+ end = frame + len;
+
+ token = *frame++;
+
+ /* Ignore number of repetitions because it's not used in LCI request */
+ frame += 2;
+
+ report = NULL;
+ while ((ie = get_ie(frame, end - frame, WLAN_EID_MEASURE_REQUEST)) &&
+ ie[1] >= 3) {
+ u8 msmt_type;
+
+ msmt_type = ie[4];
+ wpa_printf(MSG_DEBUG, "RRM request %d", msmt_type);
+
+ switch (msmt_type) {
+ case MEASURE_TYPE_LCI:
+ report = wpas_rrm_build_lci_report(wpa_s, ie + 2, ie[1],
+ report);
+ break;
+ default:
+ wpa_printf(MSG_INFO,
+ "RRM: Unsupported radio measurement request %d",
+ msmt_type);
+ break;
+ }
+
+ frame = ie + ie[1] + 2;
+ }
+
+ if (!report)
+ return;
+
+ buf = wpabuf_alloc(3 + wpabuf_len(report));
+ if (!buf) {
+ wpabuf_free(report);
+ return;
+ }
+
+ wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT);
+ wpabuf_put_u8(buf, WLAN_RRM_RADIO_MEASUREMENT_REPORT);
+ wpabuf_put_u8(buf, token);
+
+ wpabuf_put_buf(buf, report);
+ wpabuf_free(report);
+
+ if (wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, src,
+ wpa_s->own_addr, wpa_s->bssid,
+ wpabuf_head(buf), wpabuf_len(buf), 0)) {
+ wpa_printf(MSG_ERROR,
+ "RRM: Radio measurement report failed: Sending Action frame failed");
+ }
+ wpabuf_free(buf);
+}
+
+
+void wpas_rrm_handle_link_measurement_request(struct wpa_supplicant *wpa_s,
+ const u8 *src,
+ const u8 *frame, size_t len,
+ int rssi)
+{
+ struct wpabuf *buf;
+ const struct rrm_link_measurement_request *req;
+ struct rrm_link_measurement_report report;
+
+ if (wpa_s->wpa_state != WPA_COMPLETED) {
+ wpa_printf(MSG_INFO,
+ "RRM: Ignoring link measurement request. Not associated");
+ return;
+ }
+
+ if (!wpa_s->rrm.rrm_used) {
+ wpa_printf(MSG_INFO,
+ "RRM: Ignoring link measurement request. Not RRM network");
+ return;
+ }
+
+ if (!(wpa_s->drv_rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION)) {
+ wpa_printf(MSG_INFO,
+ "RRM: Measurement report failed. TX power insertion not supported");
+ return;
+ }
+
+ req = (const struct rrm_link_measurement_request *) frame;
+ if (len < sizeof(*req)) {
+ wpa_printf(MSG_INFO,
+ "RRM: Link measurement report failed. Request too short");
+ return;
+ }
+
+ os_memset(&report, 0, sizeof(report));
+ report.tpc.eid = WLAN_EID_TPC_REPORT;
+ report.tpc.len = 2;
+ report.rsni = 255; /* 255 indicates that RSNI is not available */
+ report.dialog_token = req->dialog_token;
+
+ /*
+ * It's possible to estimate RCPI based on RSSI in dBm. This
+ * calculation will not reflect the correct value for high rates,
+ * but it's good enough for Action frames which are transmitted
+ * with up to 24 Mbps rates.
+ */
+ if (!rssi)
+ report.rcpi = 255; /* not available */
+ else if (rssi < -110)
+ report.rcpi = 0;
+ else if (rssi > 0)
+ report.rcpi = 220;
+ else
+ report.rcpi = (rssi + 110) * 2;
+
+ /* action_category + action_code */
+ buf = wpabuf_alloc(2 + sizeof(report));
+ if (buf == NULL) {
+ wpa_printf(MSG_ERROR,
+ "RRM: Link measurement report failed. Buffer allocation failed");
+ return;
+ }
+
+ wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT);
+ wpabuf_put_u8(buf, WLAN_RRM_LINK_MEASUREMENT_REPORT);
+ wpabuf_put_data(buf, &report, sizeof(report));
+ wpa_hexdump(MSG_DEBUG, "RRM: Link measurement report:",
+ wpabuf_head(buf), wpabuf_len(buf));
+
+ if (wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, src,
+ wpa_s->own_addr, wpa_s->bssid,
+ wpabuf_head(buf), wpabuf_len(buf), 0)) {
+ wpa_printf(MSG_ERROR,
+ "RRM: Link measurement report failed. Send action failed");
+ }
+ wpabuf_free(buf);
+}
+
+
+struct wpa_supplicant *
+wpas_vendor_elem(struct wpa_supplicant *wpa_s, enum wpa_vendor_elem_frame frame)
+{
+ switch (frame) {
+#ifdef CONFIG_P2P
+ case VENDOR_ELEM_PROBE_REQ_P2P:
+ case VENDOR_ELEM_PROBE_RESP_P2P:
+ case VENDOR_ELEM_PROBE_RESP_P2P_GO:
+ case VENDOR_ELEM_BEACON_P2P_GO:
+ case VENDOR_ELEM_P2P_PD_REQ:
+ case VENDOR_ELEM_P2P_PD_RESP:
+ case VENDOR_ELEM_P2P_GO_NEG_REQ:
+ case VENDOR_ELEM_P2P_GO_NEG_RESP:
+ case VENDOR_ELEM_P2P_GO_NEG_CONF:
+ case VENDOR_ELEM_P2P_INV_REQ:
+ case VENDOR_ELEM_P2P_INV_RESP:
+ case VENDOR_ELEM_P2P_ASSOC_REQ:
+ case VENDOR_ELEM_P2P_ASSOC_RESP:
+ return wpa_s->p2pdev;
+#endif /* CONFIG_P2P */
+ default:
+ return wpa_s;
+ }
+}
+
+
+void wpas_vendor_elem_update(struct wpa_supplicant *wpa_s)
+{
+ unsigned int i;
+ char buf[30];
+
+ wpa_printf(MSG_DEBUG, "Update vendor elements");
+
+ for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
+ if (wpa_s->vendor_elem[i]) {
+ int res;
+
+ res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
+ if (!os_snprintf_error(sizeof(buf), res)) {
+ wpa_hexdump_buf(MSG_DEBUG, buf,
+ wpa_s->vendor_elem[i]);
+ }
+ }
+ }
+
+#ifdef CONFIG_P2P
+ if (wpa_s->parent == wpa_s &&
+ wpa_s->global->p2p &&
+ !wpa_s->global->p2p_disabled)
+ p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
+#endif /* CONFIG_P2P */
+}
+
+
+int wpas_vendor_elem_remove(struct wpa_supplicant *wpa_s, int frame,
+ const u8 *elem, size_t len)
+{
+ u8 *ie, *end;
+
+ ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
+ end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
+
+ for (; ie + 1 < end; ie += 2 + ie[1]) {
+ if (ie + len > end)
+ break;
+ if (os_memcmp(ie, elem, len) != 0)
+ continue;
+
+ if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
+ wpabuf_free(wpa_s->vendor_elem[frame]);
+ wpa_s->vendor_elem[frame] = NULL;
+ } else {
+ os_memmove(ie, ie + len, end - (ie + len));
+ wpa_s->vendor_elem[frame]->used -= len;
+ }
+ wpas_vendor_elem_update(wpa_s);
+ return 0;
+ }
+
+ return -1;
+}
+
+
+struct hostapd_hw_modes * get_mode(struct hostapd_hw_modes *modes,
+ u16 num_modes, enum hostapd_hw_mode mode)
+{
+ u16 i;
+
+ for (i = 0; i < num_modes; i++) {
+ if (modes[i].mode == mode)
+ return &modes[i];
+ }
+
+ return NULL;
+}
+
+
+static struct
+wpa_bss_tmp_disallowed * wpas_get_disallowed_bss(struct wpa_supplicant *wpa_s,
+ const u8 *bssid)
+{
+ struct wpa_bss_tmp_disallowed *bss;
+
+ dl_list_for_each(bss, &wpa_s->bss_tmp_disallowed,
+ struct wpa_bss_tmp_disallowed, list) {
+ if (os_memcmp(bssid, bss->bssid, ETH_ALEN) == 0)
+ return bss;
+ }
+
+ return NULL;
+}
+
+
+void wpa_bss_tmp_disallow(struct wpa_supplicant *wpa_s, const u8 *bssid,
+ unsigned int sec)
+{
+ struct wpa_bss_tmp_disallowed *bss;
+ struct os_reltime until;
+
+ os_get_reltime(&until);
+ until.sec += sec;
+
+ bss = wpas_get_disallowed_bss(wpa_s, bssid);
+ if (bss) {
+ bss->disallowed_until = until;
+ return;
+ }
+
+ bss = os_malloc(sizeof(*bss));
+ if (!bss) {
+ wpa_printf(MSG_DEBUG,
+ "Failed to allocate memory for temp disallow BSS");
+ return;
+ }
+
+ bss->disallowed_until = until;
+ os_memcpy(bss->bssid, bssid, ETH_ALEN);
+ dl_list_add(&wpa_s->bss_tmp_disallowed, &bss->list);
+}
+
+
+int wpa_is_bss_tmp_disallowed(struct wpa_supplicant *wpa_s, const u8 *bssid)
+{
+ struct wpa_bss_tmp_disallowed *bss = NULL, *tmp, *prev;
+ struct os_reltime now, age;
+
+ os_get_reltime(&now);
+
+ dl_list_for_each_safe(tmp, prev, &wpa_s->bss_tmp_disallowed,
+ struct wpa_bss_tmp_disallowed, list) {
+ if (!os_reltime_before(&now, &tmp->disallowed_until)) {
+ /* This BSS is not disallowed anymore */
+ dl_list_del(&tmp->list);
+ os_free(tmp);
+ continue;
+ }
+ if (os_memcmp(bssid, tmp->bssid, ETH_ALEN) == 0) {
+ bss = tmp;
+ break;
+ }
+ }
+ if (!bss)
+ return 0;
+
+ os_reltime_sub(&bss->disallowed_until, &now, &age);
+ wpa_printf(MSG_DEBUG,
+ "BSS " MACSTR " disabled for %ld.%0ld seconds",
+ MAC2STR(bss->bssid), age.sec, age.usec);
+ return 1;
+}
projects / mech_eap.git / blobdiff