1189251Ssam/* 2189251Ssam * WPA Supplicant - Driver event processing 3252726Srpaulo * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> 4189251Ssam * 5252726Srpaulo * This software may be distributed under the terms of the BSD license. 6252726Srpaulo * See README for more details. 7189251Ssam */ 8189251Ssam 9189251Ssam#include "includes.h" 10189251Ssam 11189251Ssam#include "common.h" 12189251Ssam#include "eapol_supp/eapol_supp_sm.h" 13214734Srpaulo#include "rsn_supp/wpa.h" 14189251Ssam#include "eloop.h" 15189251Ssam#include "config.h" 16189251Ssam#include "l2_packet/l2_packet.h" 17189251Ssam#include "wpa_supplicant_i.h" 18214734Srpaulo#include "driver_i.h" 19189251Ssam#include "pcsc_funcs.h" 20214734Srpaulo#include "rsn_supp/preauth.h" 21214734Srpaulo#include "rsn_supp/pmksa_cache.h" 22214734Srpaulo#include "common/wpa_ctrl.h" 23189251Ssam#include "eap_peer/eap.h" 24214734Srpaulo#include "ap/hostapd.h" 25252726Srpaulo#include "p2p/p2p.h" 26252726Srpaulo#include "wnm_sta.h" 27214734Srpaulo#include "notify.h" 28214734Srpaulo#include "common/ieee802_11_defs.h" 29252726Srpaulo#include "common/ieee802_11_common.h" 30252726Srpaulo#include "crypto/random.h" 31189251Ssam#include "blacklist.h" 32189251Ssam#include "wpas_glue.h" 33189251Ssam#include "wps_supplicant.h" 34214734Srpaulo#include "ibss_rsn.h" 35214734Srpaulo#include "sme.h" 36252726Srpaulo#include "gas_query.h" 37252726Srpaulo#include "p2p_supplicant.h" 38214734Srpaulo#include "bgscan.h" 39252726Srpaulo#include "autoscan.h" 40214734Srpaulo#include "ap.h" 41214734Srpaulo#include "bss.h" 42214734Srpaulo#include "scan.h" 43252726Srpaulo#include "offchannel.h" 44252726Srpaulo#include "interworking.h" 45189251Ssam 46189251Ssam 47252726Srpaulostatic int wpas_temp_disabled(struct wpa_supplicant *wpa_s, 48252726Srpaulo struct wpa_ssid *ssid) 49252726Srpaulo{ 50252726Srpaulo struct os_time now; 51252726Srpaulo 52252726Srpaulo if (ssid == NULL || ssid->disabled_until.sec == 0) 53252726Srpaulo return 0; 54252726Srpaulo 55252726Srpaulo os_get_time(&now); 56252726Srpaulo if (ssid->disabled_until.sec > now.sec) 57252726Srpaulo return ssid->disabled_until.sec - now.sec; 58252726Srpaulo 59252726Srpaulo wpas_clear_temp_disabled(wpa_s, ssid, 0); 60252726Srpaulo 61252726Srpaulo return 0; 62252726Srpaulo} 63252726Srpaulo 64252726Srpaulo 65189251Ssamstatic int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s) 66189251Ssam{ 67214734Srpaulo struct wpa_ssid *ssid, *old_ssid; 68252726Srpaulo int res; 69189251Ssam 70189251Ssam if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid) 71189251Ssam return 0; 72189251Ssam 73252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Select network based on association " 74252726Srpaulo "information"); 75189251Ssam ssid = wpa_supplicant_get_ssid(wpa_s); 76189251Ssam if (ssid == NULL) { 77252726Srpaulo wpa_msg(wpa_s, MSG_INFO, 78252726Srpaulo "No network configuration found for the current AP"); 79189251Ssam return -1; 80189251Ssam } 81189251Ssam 82252726Srpaulo if (wpas_network_disabled(wpa_s, ssid)) { 83252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is disabled"); 84189251Ssam return -1; 85189251Ssam } 86189251Ssam 87252726Srpaulo if (disallowed_bssid(wpa_s, wpa_s->bssid) || 88252726Srpaulo disallowed_ssid(wpa_s, ssid->ssid, ssid->ssid_len)) { 89252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS is disallowed"); 90252726Srpaulo return -1; 91252726Srpaulo } 92252726Srpaulo 93252726Srpaulo res = wpas_temp_disabled(wpa_s, ssid); 94252726Srpaulo if (res > 0) { 95252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is temporarily " 96252726Srpaulo "disabled for %d second(s)", res); 97252726Srpaulo return -1; 98252726Srpaulo } 99252726Srpaulo 100252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Network configuration found for the " 101252726Srpaulo "current AP"); 102252726Srpaulo if (wpa_key_mgmt_wpa_any(ssid->key_mgmt)) { 103189251Ssam u8 wpa_ie[80]; 104189251Ssam size_t wpa_ie_len = sizeof(wpa_ie); 105189251Ssam wpa_supplicant_set_suites(wpa_s, NULL, ssid, 106189251Ssam wpa_ie, &wpa_ie_len); 107189251Ssam } else { 108189251Ssam wpa_supplicant_set_non_wpa_policy(wpa_s, ssid); 109189251Ssam } 110189251Ssam 111189251Ssam if (wpa_s->current_ssid && wpa_s->current_ssid != ssid) 112189251Ssam eapol_sm_invalidate_cached_session(wpa_s->eapol); 113214734Srpaulo old_ssid = wpa_s->current_ssid; 114189251Ssam wpa_s->current_ssid = ssid; 115189251Ssam wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid); 116189251Ssam wpa_supplicant_initiate_eapol(wpa_s); 117214734Srpaulo if (old_ssid != wpa_s->current_ssid) 118214734Srpaulo wpas_notify_network_changed(wpa_s); 119189251Ssam 120189251Ssam return 0; 121189251Ssam} 122189251Ssam 123189251Ssam 124252726Srpaulovoid wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx) 125189251Ssam{ 126189251Ssam struct wpa_supplicant *wpa_s = eloop_ctx; 127189251Ssam 128189251Ssam if (wpa_s->countermeasures) { 129189251Ssam wpa_s->countermeasures = 0; 130189251Ssam wpa_drv_set_countermeasures(wpa_s, 0); 131189251Ssam wpa_msg(wpa_s, MSG_INFO, "WPA: TKIP countermeasures stopped"); 132189251Ssam wpa_supplicant_req_scan(wpa_s, 0, 0); 133189251Ssam } 134189251Ssam} 135189251Ssam 136189251Ssam 137189251Ssamvoid wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s) 138189251Ssam{ 139214734Srpaulo int bssid_changed; 140214734Srpaulo 141252726Srpaulo wnm_bss_keep_alive_deinit(wpa_s); 142252726Srpaulo 143252726Srpaulo#ifdef CONFIG_IBSS_RSN 144252726Srpaulo ibss_rsn_deinit(wpa_s->ibss_rsn); 145252726Srpaulo wpa_s->ibss_rsn = NULL; 146252726Srpaulo#endif /* CONFIG_IBSS_RSN */ 147252726Srpaulo 148252726Srpaulo#ifdef CONFIG_AP 149252726Srpaulo wpa_supplicant_ap_deinit(wpa_s); 150252726Srpaulo#endif /* CONFIG_AP */ 151252726Srpaulo 152252726Srpaulo if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) 153252726Srpaulo return; 154252726Srpaulo 155189251Ssam wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 156214734Srpaulo bssid_changed = !is_zero_ether_addr(wpa_s->bssid); 157189251Ssam os_memset(wpa_s->bssid, 0, ETH_ALEN); 158189251Ssam os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); 159252726Srpaulo#ifdef CONFIG_SME 160252726Srpaulo wpa_s->sme.prev_bssid_set = 0; 161252726Srpaulo#endif /* CONFIG_SME */ 162252726Srpaulo#ifdef CONFIG_P2P 163252726Srpaulo os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN); 164252726Srpaulo#endif /* CONFIG_P2P */ 165214734Srpaulo wpa_s->current_bss = NULL; 166252726Srpaulo wpa_s->assoc_freq = 0; 167252726Srpaulo#ifdef CONFIG_IEEE80211R 168252726Srpaulo#ifdef CONFIG_SME 169252726Srpaulo if (wpa_s->sme.ft_ies) 170252726Srpaulo sme_update_ft_ies(wpa_s, NULL, NULL, 0); 171252726Srpaulo#endif /* CONFIG_SME */ 172252726Srpaulo#endif /* CONFIG_IEEE80211R */ 173252726Srpaulo 174214734Srpaulo if (bssid_changed) 175214734Srpaulo wpas_notify_bssid_changed(wpa_s); 176214734Srpaulo 177189251Ssam eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); 178189251Ssam eapol_sm_notify_portValid(wpa_s->eapol, FALSE); 179189251Ssam if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) 180189251Ssam eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); 181189251Ssam wpa_s->ap_ies_from_associnfo = 0; 182252726Srpaulo wpa_s->current_ssid = NULL; 183252726Srpaulo wpa_s->key_mgmt = 0; 184324739Sgordon wpa_s->wnmsleep_used = 0; 185189251Ssam} 186189251Ssam 187189251Ssam 188189251Ssamstatic void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s) 189189251Ssam{ 190189251Ssam struct wpa_ie_data ie; 191189251Ssam int pmksa_set = -1; 192189251Ssam size_t i; 193189251Ssam 194189251Ssam if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 || 195189251Ssam ie.pmkid == NULL) 196189251Ssam return; 197189251Ssam 198189251Ssam for (i = 0; i < ie.num_pmkid; i++) { 199189251Ssam pmksa_set = pmksa_cache_set_current(wpa_s->wpa, 200189251Ssam ie.pmkid + i * PMKID_LEN, 201189251Ssam NULL, NULL, 0); 202189251Ssam if (pmksa_set == 0) { 203189251Ssam eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1); 204189251Ssam break; 205189251Ssam } 206189251Ssam } 207189251Ssam 208252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from " 209252726Srpaulo "PMKSA cache", pmksa_set == 0 ? "" : "not "); 210189251Ssam} 211189251Ssam 212189251Ssam 213189251Ssamstatic void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s, 214189251Ssam union wpa_event_data *data) 215189251Ssam{ 216189251Ssam if (data == NULL) { 217252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate " 218252726Srpaulo "event"); 219189251Ssam return; 220189251Ssam } 221252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR 222252726Srpaulo " index=%d preauth=%d", 223252726Srpaulo MAC2STR(data->pmkid_candidate.bssid), 224252726Srpaulo data->pmkid_candidate.index, 225252726Srpaulo data->pmkid_candidate.preauth); 226189251Ssam 227189251Ssam pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid, 228189251Ssam data->pmkid_candidate.index, 229189251Ssam data->pmkid_candidate.preauth); 230189251Ssam} 231189251Ssam 232189251Ssam 233189251Ssamstatic int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s) 234189251Ssam{ 235189251Ssam if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || 236189251Ssam wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) 237189251Ssam return 0; 238189251Ssam 239189251Ssam#ifdef IEEE8021X_EAPOL 240189251Ssam if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA && 241189251Ssam wpa_s->current_ssid && 242189251Ssam !(wpa_s->current_ssid->eapol_flags & 243189251Ssam (EAPOL_FLAG_REQUIRE_KEY_UNICAST | 244189251Ssam EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) { 245189251Ssam /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either 246189251Ssam * plaintext or static WEP keys). */ 247189251Ssam return 0; 248189251Ssam } 249189251Ssam#endif /* IEEE8021X_EAPOL */ 250189251Ssam 251189251Ssam return 1; 252189251Ssam} 253189251Ssam 254189251Ssam 255189251Ssam/** 256189251Ssam * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC 257189251Ssam * @wpa_s: pointer to wpa_supplicant data 258189251Ssam * @ssid: Configuration data for the network 259189251Ssam * Returns: 0 on success, -1 on failure 260189251Ssam * 261189251Ssam * This function is called when starting authentication with a network that is 262189251Ssam * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA). 263189251Ssam */ 264189251Ssamint wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s, 265189251Ssam struct wpa_ssid *ssid) 266189251Ssam{ 267189251Ssam#ifdef IEEE8021X_EAPOL 268252726Srpaulo#ifdef PCSC_FUNCS 269189251Ssam int aka = 0, sim = 0, type; 270189251Ssam 271189251Ssam if (ssid->eap.pcsc == NULL || wpa_s->scard != NULL) 272189251Ssam return 0; 273189251Ssam 274189251Ssam if (ssid->eap.eap_methods == NULL) { 275189251Ssam sim = 1; 276189251Ssam aka = 1; 277189251Ssam } else { 278189251Ssam struct eap_method_type *eap = ssid->eap.eap_methods; 279189251Ssam while (eap->vendor != EAP_VENDOR_IETF || 280189251Ssam eap->method != EAP_TYPE_NONE) { 281189251Ssam if (eap->vendor == EAP_VENDOR_IETF) { 282189251Ssam if (eap->method == EAP_TYPE_SIM) 283189251Ssam sim = 1; 284252726Srpaulo else if (eap->method == EAP_TYPE_AKA || 285252726Srpaulo eap->method == EAP_TYPE_AKA_PRIME) 286189251Ssam aka = 1; 287189251Ssam } 288189251Ssam eap++; 289189251Ssam } 290189251Ssam } 291189251Ssam 292189251Ssam if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL) 293189251Ssam sim = 0; 294252726Srpaulo if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL && 295252726Srpaulo eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) == 296252726Srpaulo NULL) 297189251Ssam aka = 0; 298189251Ssam 299189251Ssam if (!sim && !aka) { 300252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to " 301252726Srpaulo "use SIM, but neither EAP-SIM nor EAP-AKA are " 302252726Srpaulo "enabled"); 303189251Ssam return 0; 304189251Ssam } 305189251Ssam 306252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM " 307252726Srpaulo "(sim=%d aka=%d) - initialize PCSC", sim, aka); 308189251Ssam if (sim && aka) 309189251Ssam type = SCARD_TRY_BOTH; 310189251Ssam else if (aka) 311189251Ssam type = SCARD_USIM_ONLY; 312189251Ssam else 313189251Ssam type = SCARD_GSM_SIM_ONLY; 314189251Ssam 315252726Srpaulo wpa_s->scard = scard_init(type, NULL); 316189251Ssam if (wpa_s->scard == NULL) { 317252726Srpaulo wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM " 318252726Srpaulo "(pcsc-lite)"); 319189251Ssam return -1; 320189251Ssam } 321189251Ssam wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard); 322189251Ssam eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard); 323252726Srpaulo#endif /* PCSC_FUNCS */ 324189251Ssam#endif /* IEEE8021X_EAPOL */ 325189251Ssam 326189251Ssam return 0; 327189251Ssam} 328189251Ssam 329189251Ssam 330189251Ssam#ifndef CONFIG_NO_SCAN_PROCESSING 331252726Srpaulostatic int wpa_supplicant_match_privacy(struct wpa_bss *bss, 332189251Ssam struct wpa_ssid *ssid) 333189251Ssam{ 334189251Ssam int i, privacy = 0; 335189251Ssam 336189251Ssam if (ssid->mixed_cell) 337189251Ssam return 1; 338189251Ssam 339209158Srpaulo#ifdef CONFIG_WPS 340209158Srpaulo if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) 341209158Srpaulo return 1; 342209158Srpaulo#endif /* CONFIG_WPS */ 343209158Srpaulo 344189251Ssam for (i = 0; i < NUM_WEP_KEYS; i++) { 345189251Ssam if (ssid->wep_key_len[i]) { 346189251Ssam privacy = 1; 347189251Ssam break; 348189251Ssam } 349189251Ssam } 350189251Ssam#ifdef IEEE8021X_EAPOL 351189251Ssam if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && 352189251Ssam ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST | 353189251Ssam EAPOL_FLAG_REQUIRE_KEY_BROADCAST)) 354189251Ssam privacy = 1; 355189251Ssam#endif /* IEEE8021X_EAPOL */ 356189251Ssam 357252726Srpaulo if (wpa_key_mgmt_wpa(ssid->key_mgmt)) 358252726Srpaulo privacy = 1; 359252726Srpaulo 360189251Ssam if (bss->caps & IEEE80211_CAP_PRIVACY) 361189251Ssam return privacy; 362189251Ssam return !privacy; 363189251Ssam} 364189251Ssam 365189251Ssam 366189251Ssamstatic int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s, 367189251Ssam struct wpa_ssid *ssid, 368252726Srpaulo struct wpa_bss *bss) 369189251Ssam{ 370189251Ssam struct wpa_ie_data ie; 371189251Ssam int proto_match = 0; 372189251Ssam const u8 *rsn_ie, *wpa_ie; 373189251Ssam int ret; 374252726Srpaulo int wep_ok; 375189251Ssam 376189251Ssam ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss); 377189251Ssam if (ret >= 0) 378189251Ssam return ret; 379189251Ssam 380252726Srpaulo /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */ 381252726Srpaulo wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) && 382252726Srpaulo (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) && 383252726Srpaulo ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) || 384252726Srpaulo (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)); 385252726Srpaulo 386252726Srpaulo rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 387189251Ssam while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) { 388189251Ssam proto_match++; 389189251Ssam 390189251Ssam if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) { 391252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - parse " 392252726Srpaulo "failed"); 393189251Ssam break; 394189251Ssam } 395252726Srpaulo 396252726Srpaulo if (wep_ok && 397252726Srpaulo (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) 398252726Srpaulo { 399252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN " 400252726Srpaulo "in RSN IE"); 401252726Srpaulo return 1; 402252726Srpaulo } 403252726Srpaulo 404189251Ssam if (!(ie.proto & ssid->proto)) { 405252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - proto " 406252726Srpaulo "mismatch"); 407189251Ssam break; 408189251Ssam } 409189251Ssam 410189251Ssam if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { 411252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - PTK " 412252726Srpaulo "cipher mismatch"); 413189251Ssam break; 414189251Ssam } 415189251Ssam 416189251Ssam if (!(ie.group_cipher & ssid->group_cipher)) { 417252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - GTK " 418252726Srpaulo "cipher mismatch"); 419189251Ssam break; 420189251Ssam } 421189251Ssam 422189251Ssam if (!(ie.key_mgmt & ssid->key_mgmt)) { 423252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - key mgmt " 424252726Srpaulo "mismatch"); 425189251Ssam break; 426189251Ssam } 427189251Ssam 428189251Ssam#ifdef CONFIG_IEEE80211W 429189251Ssam if (!(ie.capabilities & WPA_CAPABILITY_MFPC) && 430252726Srpaulo (ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ? 431252726Srpaulo wpa_s->conf->pmf : ssid->ieee80211w) == 432252726Srpaulo MGMT_FRAME_PROTECTION_REQUIRED) { 433252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - no mgmt " 434252726Srpaulo "frame protection"); 435189251Ssam break; 436189251Ssam } 437189251Ssam#endif /* CONFIG_IEEE80211W */ 438189251Ssam 439252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " selected based on RSN IE"); 440189251Ssam return 1; 441189251Ssam } 442189251Ssam 443252726Srpaulo wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 444189251Ssam while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) { 445189251Ssam proto_match++; 446189251Ssam 447189251Ssam if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) { 448252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - parse " 449252726Srpaulo "failed"); 450189251Ssam break; 451189251Ssam } 452252726Srpaulo 453252726Srpaulo if (wep_ok && 454252726Srpaulo (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104))) 455252726Srpaulo { 456252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN " 457252726Srpaulo "in WPA IE"); 458252726Srpaulo return 1; 459252726Srpaulo } 460252726Srpaulo 461189251Ssam if (!(ie.proto & ssid->proto)) { 462252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - proto " 463252726Srpaulo "mismatch"); 464189251Ssam break; 465189251Ssam } 466189251Ssam 467189251Ssam if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) { 468252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - PTK " 469252726Srpaulo "cipher mismatch"); 470189251Ssam break; 471189251Ssam } 472189251Ssam 473189251Ssam if (!(ie.group_cipher & ssid->group_cipher)) { 474252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - GTK " 475252726Srpaulo "cipher mismatch"); 476189251Ssam break; 477189251Ssam } 478189251Ssam 479189251Ssam if (!(ie.key_mgmt & ssid->key_mgmt)) { 480252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - key mgmt " 481252726Srpaulo "mismatch"); 482189251Ssam break; 483189251Ssam } 484189251Ssam 485252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " selected based on WPA IE"); 486189251Ssam return 1; 487189251Ssam } 488189251Ssam 489252726Srpaulo if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie && 490252726Srpaulo !rsn_ie) { 491252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " allow for non-WPA IEEE 802.1X"); 492252726Srpaulo return 1; 493252726Srpaulo } 494189251Ssam 495252726Srpaulo if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) && 496252726Srpaulo wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) { 497252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - no WPA/RSN proto match"); 498252726Srpaulo return 0; 499252726Srpaulo } 500252726Srpaulo 501252726Srpaulo if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) { 502252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2"); 503252726Srpaulo return 1; 504252726Srpaulo } 505252726Srpaulo 506252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " reject due to mismatch with " 507252726Srpaulo "WPA/WPA2"); 508252726Srpaulo 509189251Ssam return 0; 510189251Ssam} 511189251Ssam 512189251Ssam 513214734Srpaulostatic int freq_allowed(int *freqs, int freq) 514214734Srpaulo{ 515214734Srpaulo int i; 516214734Srpaulo 517214734Srpaulo if (freqs == NULL) 518214734Srpaulo return 1; 519214734Srpaulo 520214734Srpaulo for (i = 0; freqs[i]; i++) 521214734Srpaulo if (freqs[i] == freq) 522214734Srpaulo return 1; 523214734Srpaulo return 0; 524214734Srpaulo} 525214734Srpaulo 526214734Srpaulo 527252726Srpaulostatic int ht_supported(const struct hostapd_hw_modes *mode) 528189251Ssam{ 529252726Srpaulo if (!(mode->flags & HOSTAPD_MODE_FLAG_HT_INFO_KNOWN)) { 530252726Srpaulo /* 531252726Srpaulo * The driver did not indicate whether it supports HT. Assume 532252726Srpaulo * it does to avoid connection issues. 533252726Srpaulo */ 534252726Srpaulo return 1; 535252726Srpaulo } 536189251Ssam 537252726Srpaulo /* 538252726Srpaulo * IEEE Std 802.11n-2009 20.1.1: 539252726Srpaulo * An HT non-AP STA shall support all EQM rates for one spatial stream. 540252726Srpaulo */ 541252726Srpaulo return mode->mcs_set[0] == 0xff; 542252726Srpaulo} 543189251Ssam 544189251Ssam 545252726Srpaulostatic int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss) 546252726Srpaulo{ 547252726Srpaulo const struct hostapd_hw_modes *mode = NULL, *modes; 548252726Srpaulo const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES }; 549252726Srpaulo const u8 *rate_ie; 550252726Srpaulo int i, j, k; 551189251Ssam 552252726Srpaulo if (bss->freq == 0) 553252726Srpaulo return 1; /* Cannot do matching without knowing band */ 554189251Ssam 555252726Srpaulo modes = wpa_s->hw.modes; 556252726Srpaulo if (modes == NULL) { 557252726Srpaulo /* 558252726Srpaulo * The driver does not provide any additional information 559252726Srpaulo * about the utilized hardware, so allow the connection attempt 560252726Srpaulo * to continue. 561252726Srpaulo */ 562252726Srpaulo return 1; 563252726Srpaulo } 564189251Ssam 565252726Srpaulo for (i = 0; i < wpa_s->hw.num_modes; i++) { 566252726Srpaulo for (j = 0; j < modes[i].num_channels; j++) { 567252726Srpaulo int freq = modes[i].channels[j].freq; 568252726Srpaulo if (freq == bss->freq) { 569252726Srpaulo if (mode && 570252726Srpaulo mode->mode == HOSTAPD_MODE_IEEE80211G) 571252726Srpaulo break; /* do not allow 802.11b replace 572252726Srpaulo * 802.11g */ 573252726Srpaulo mode = &modes[i]; 574252726Srpaulo break; 575252726Srpaulo } 576189251Ssam } 577252726Srpaulo } 578189251Ssam 579252726Srpaulo if (mode == NULL) 580252726Srpaulo return 0; 581209158Srpaulo 582252726Srpaulo for (i = 0; i < (int) sizeof(scan_ie); i++) { 583252726Srpaulo rate_ie = wpa_bss_get_ie(bss, scan_ie[i]); 584252726Srpaulo if (rate_ie == NULL) 585189251Ssam continue; 586189251Ssam 587252726Srpaulo for (j = 2; j < rate_ie[1] + 2; j++) { 588252726Srpaulo int flagged = !!(rate_ie[j] & 0x80); 589252726Srpaulo int r = (rate_ie[j] & 0x7f) * 5; 590189251Ssam 591252726Srpaulo /* 592252726Srpaulo * IEEE Std 802.11n-2009 7.3.2.2: 593252726Srpaulo * The new BSS Membership selector value is encoded 594252726Srpaulo * like a legacy basic rate, but it is not a rate and 595252726Srpaulo * only indicates if the BSS members are required to 596252726Srpaulo * support the mandatory features of Clause 20 [HT PHY] 597252726Srpaulo * in order to join the BSS. 598252726Srpaulo */ 599252726Srpaulo if (flagged && ((rate_ie[j] & 0x7f) == 600252726Srpaulo BSS_MEMBERSHIP_SELECTOR_HT_PHY)) { 601252726Srpaulo if (!ht_supported(mode)) { 602252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, 603252726Srpaulo " hardware does not support " 604252726Srpaulo "HT PHY"); 605252726Srpaulo return 0; 606252726Srpaulo } 607189251Ssam continue; 608189251Ssam } 609189251Ssam 610252726Srpaulo if (!flagged) 611189251Ssam continue; 612189251Ssam 613252726Srpaulo /* check for legacy basic rates */ 614252726Srpaulo for (k = 0; k < mode->num_rates; k++) { 615252726Srpaulo if (mode->rates[k] == r) 616252726Srpaulo break; 617189251Ssam } 618252726Srpaulo if (k == mode->num_rates) { 619252726Srpaulo /* 620252726Srpaulo * IEEE Std 802.11-2007 7.3.2.2 demands that in 621252726Srpaulo * order to join a BSS all required rates 622252726Srpaulo * have to be supported by the hardware. 623252726Srpaulo */ 624252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " hardware does " 625252726Srpaulo "not support required rate %d.%d Mbps", 626252726Srpaulo r / 10, r % 10); 627252726Srpaulo return 0; 628214734Srpaulo } 629189251Ssam } 630189251Ssam } 631189251Ssam 632252726Srpaulo return 1; 633189251Ssam} 634189251Ssam 635189251Ssam 636252726Srpaulostatic struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s, 637252726Srpaulo int i, struct wpa_bss *bss, 638252726Srpaulo struct wpa_ssid *group) 639189251Ssam{ 640252726Srpaulo u8 wpa_ie_len, rsn_ie_len; 641252726Srpaulo int wpa; 642189251Ssam struct wpa_blacklist *e; 643189251Ssam const u8 *ie; 644252726Srpaulo struct wpa_ssid *ssid; 645189251Ssam 646252726Srpaulo ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 647252726Srpaulo wpa_ie_len = ie ? ie[1] : 0; 648189251Ssam 649252726Srpaulo ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 650252726Srpaulo rsn_ie_len = ie ? ie[1] : 0; 651189251Ssam 652252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR " ssid='%s' " 653252726Srpaulo "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d%s", 654252726Srpaulo i, MAC2STR(bss->bssid), wpa_ssid_txt(bss->ssid, bss->ssid_len), 655252726Srpaulo wpa_ie_len, rsn_ie_len, bss->caps, bss->level, 656252726Srpaulo wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? " wps" : ""); 657189251Ssam 658252726Srpaulo e = wpa_blacklist_get(wpa_s, bss->bssid); 659252726Srpaulo if (e) { 660252726Srpaulo int limit = 1; 661252726Srpaulo if (wpa_supplicant_enabled_networks(wpa_s) == 1) { 662252726Srpaulo /* 663252726Srpaulo * When only a single network is enabled, we can 664252726Srpaulo * trigger blacklisting on the first failure. This 665252726Srpaulo * should not be done with multiple enabled networks to 666252726Srpaulo * avoid getting forced to move into a worse ESS on 667252726Srpaulo * single error if there are no other BSSes of the 668252726Srpaulo * current ESS. 669252726Srpaulo */ 670252726Srpaulo limit = 0; 671252726Srpaulo } 672252726Srpaulo if (e->count > limit) { 673252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted " 674252726Srpaulo "(count=%d limit=%d)", e->count, limit); 675252726Srpaulo return NULL; 676252726Srpaulo } 677252726Srpaulo } 678189251Ssam 679252726Srpaulo if (bss->ssid_len == 0) { 680252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known"); 681252726Srpaulo return NULL; 682252726Srpaulo } 683189251Ssam 684252726Srpaulo if (disallowed_bssid(wpa_s, bss->bssid)) { 685252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed"); 686252726Srpaulo return NULL; 687252726Srpaulo } 688252726Srpaulo 689252726Srpaulo if (disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) { 690252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed"); 691252726Srpaulo return NULL; 692252726Srpaulo } 693252726Srpaulo 694252726Srpaulo wpa = wpa_ie_len > 0 || rsn_ie_len > 0; 695252726Srpaulo 696252726Srpaulo for (ssid = group; ssid; ssid = ssid->pnext) { 697252726Srpaulo int check_ssid = wpa ? 1 : (ssid->ssid_len != 0); 698252726Srpaulo int res; 699252726Srpaulo 700252726Srpaulo if (wpas_network_disabled(wpa_s, ssid)) { 701252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled"); 702189251Ssam continue; 703189251Ssam } 704189251Ssam 705252726Srpaulo res = wpas_temp_disabled(wpa_s, ssid); 706252726Srpaulo if (res > 0) { 707252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled " 708252726Srpaulo "temporarily for %d second(s)", res); 709209158Srpaulo continue; 710209158Srpaulo } 711209158Srpaulo 712252726Srpaulo#ifdef CONFIG_WPS 713252726Srpaulo if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) { 714252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted " 715252726Srpaulo "(WPS)"); 716252726Srpaulo continue; 717252726Srpaulo } 718189251Ssam 719252726Srpaulo if (wpa && ssid->ssid_len == 0 && 720252726Srpaulo wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) 721252726Srpaulo check_ssid = 0; 722189251Ssam 723252726Srpaulo if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { 724252726Srpaulo /* Only allow wildcard SSID match if an AP 725252726Srpaulo * advertises active WPS operation that matches 726252726Srpaulo * with our mode. */ 727252726Srpaulo check_ssid = 1; 728252726Srpaulo if (ssid->ssid_len == 0 && 729252726Srpaulo wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss)) 730252726Srpaulo check_ssid = 0; 731252726Srpaulo } 732189251Ssam#endif /* CONFIG_WPS */ 733189251Ssam 734252726Srpaulo if (ssid->bssid_set && ssid->ssid_len == 0 && 735252726Srpaulo os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0) 736252726Srpaulo check_ssid = 0; 737189251Ssam 738252726Srpaulo if (check_ssid && 739252726Srpaulo (bss->ssid_len != ssid->ssid_len || 740252726Srpaulo os_memcmp(bss->ssid, ssid->ssid, bss->ssid_len) != 0)) { 741252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID mismatch"); 742252726Srpaulo continue; 743252726Srpaulo } 744209158Srpaulo 745252726Srpaulo if (ssid->bssid_set && 746252726Srpaulo os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) { 747252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID mismatch"); 748252726Srpaulo continue; 749252726Srpaulo } 750189251Ssam 751252726Srpaulo if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss)) 752252726Srpaulo continue; 753189251Ssam 754252726Srpaulo if (!wpa && 755252726Srpaulo !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) && 756252726Srpaulo !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) && 757252726Srpaulo !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) { 758252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - non-WPA network " 759252726Srpaulo "not allowed"); 760252726Srpaulo continue; 761252726Srpaulo } 762189251Ssam 763252726Srpaulo if (!wpa_supplicant_match_privacy(bss, ssid)) { 764252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - privacy " 765252726Srpaulo "mismatch"); 766252726Srpaulo continue; 767252726Srpaulo } 768189251Ssam 769252726Srpaulo if (bss->caps & IEEE80211_CAP_IBSS) { 770252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - IBSS (adhoc) " 771252726Srpaulo "network"); 772252726Srpaulo continue; 773252726Srpaulo } 774214734Srpaulo 775252726Srpaulo if (!freq_allowed(ssid->freq_list, bss->freq)) { 776252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - frequency not " 777252726Srpaulo "allowed"); 778252726Srpaulo continue; 779189251Ssam } 780252726Srpaulo 781252726Srpaulo if (!rate_match(wpa_s, bss)) { 782252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " skip - rate sets do " 783252726Srpaulo "not match"); 784252726Srpaulo continue; 785252726Srpaulo } 786252726Srpaulo 787252726Srpaulo#ifdef CONFIG_P2P 788252726Srpaulo /* 789252726Srpaulo * TODO: skip the AP if its P2P IE has Group Formation 790252726Srpaulo * bit set in the P2P Group Capability Bitmap and we 791252726Srpaulo * are not in Group Formation with that device. 792252726Srpaulo */ 793252726Srpaulo#endif /* CONFIG_P2P */ 794252726Srpaulo 795252726Srpaulo /* Matching configuration found */ 796252726Srpaulo return ssid; 797189251Ssam } 798189251Ssam 799252726Srpaulo /* No matching configuration found */ 800189251Ssam return NULL; 801189251Ssam} 802189251Ssam 803189251Ssam 804214734Srpaulostatic struct wpa_bss * 805214734Srpaulowpa_supplicant_select_bss(struct wpa_supplicant *wpa_s, 806214734Srpaulo struct wpa_ssid *group, 807189251Ssam struct wpa_ssid **selected_ssid) 808189251Ssam{ 809252726Srpaulo unsigned int i; 810189251Ssam 811252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d", 812252726Srpaulo group->priority); 813189251Ssam 814252726Srpaulo for (i = 0; i < wpa_s->last_scan_res_used; i++) { 815252726Srpaulo struct wpa_bss *bss = wpa_s->last_scan_res[i]; 816252726Srpaulo *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group); 817252726Srpaulo if (!*selected_ssid) 818252726Srpaulo continue; 819252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR 820252726Srpaulo " ssid='%s'", 821252726Srpaulo MAC2STR(bss->bssid), 822252726Srpaulo wpa_ssid_txt(bss->ssid, bss->ssid_len)); 823252726Srpaulo return bss; 824252726Srpaulo } 825189251Ssam 826252726Srpaulo return NULL; 827189251Ssam} 828189251Ssam 829189251Ssam 830214734Srpaulostatic struct wpa_bss * 831214734Srpaulowpa_supplicant_pick_network(struct wpa_supplicant *wpa_s, 832214734Srpaulo struct wpa_ssid **selected_ssid) 833189251Ssam{ 834214734Srpaulo struct wpa_bss *selected = NULL; 835214734Srpaulo int prio; 836189251Ssam 837252726Srpaulo if (wpa_s->last_scan_res == NULL || 838252726Srpaulo wpa_s->last_scan_res_used == 0) 839252726Srpaulo return NULL; /* no scan results from last update */ 840252726Srpaulo 841189251Ssam while (selected == NULL) { 842189251Ssam for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { 843189251Ssam selected = wpa_supplicant_select_bss( 844252726Srpaulo wpa_s, wpa_s->conf->pssid[prio], 845214734Srpaulo selected_ssid); 846189251Ssam if (selected) 847189251Ssam break; 848189251Ssam } 849189251Ssam 850252726Srpaulo if (selected == NULL && wpa_s->blacklist && 851252726Srpaulo !wpa_s->countermeasures) { 852252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear " 853252726Srpaulo "blacklist and try again"); 854189251Ssam wpa_blacklist_clear(wpa_s); 855189251Ssam wpa_s->blacklist_cleared++; 856214734Srpaulo } else if (selected == NULL) 857189251Ssam break; 858189251Ssam } 859189251Ssam 860214734Srpaulo return selected; 861214734Srpaulo} 862189251Ssam 863189251Ssam 864214734Srpaulostatic void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s, 865214734Srpaulo int timeout_sec, int timeout_usec) 866214734Srpaulo{ 867252726Srpaulo if (!wpa_supplicant_enabled_networks(wpa_s)) { 868189251Ssam /* 869209158Srpaulo * No networks are enabled; short-circuit request so 870209158Srpaulo * we don't wait timeout seconds before transitioning 871209158Srpaulo * to INACTIVE state. 872209158Srpaulo */ 873252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request " 874252726Srpaulo "since there are no enabled networks"); 875209158Srpaulo wpa_supplicant_set_state(wpa_s, WPA_INACTIVE); 876252726Srpaulo#ifdef CONFIG_P2P 877252726Srpaulo wpa_s->sta_scan_pending = 0; 878252726Srpaulo#endif /* CONFIG_P2P */ 879209158Srpaulo return; 880189251Ssam } 881252726Srpaulo 882252726Srpaulo wpa_s->scan_for_connection = 1; 883214734Srpaulo wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec); 884189251Ssam} 885214734Srpaulo 886214734Srpaulo 887252726Srpauloint wpa_supplicant_connect(struct wpa_supplicant *wpa_s, 888252726Srpaulo struct wpa_bss *selected, 889252726Srpaulo struct wpa_ssid *ssid) 890214734Srpaulo{ 891214734Srpaulo if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) { 892214734Srpaulo wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP 893214734Srpaulo "PBC session overlap"); 894252726Srpaulo#ifdef CONFIG_P2P 895252726Srpaulo if (wpas_p2p_notif_pbc_overlap(wpa_s) == 1) 896252726Srpaulo return -1; 897252726Srpaulo#endif /* CONFIG_P2P */ 898252726Srpaulo 899252726Srpaulo#ifdef CONFIG_WPS 900252726Srpaulo wpas_wps_cancel(wpa_s); 901252726Srpaulo#endif /* CONFIG_WPS */ 902252726Srpaulo return -1; 903214734Srpaulo } 904214734Srpaulo 905214734Srpaulo /* 906214734Srpaulo * Do not trigger new association unless the BSSID has changed or if 907214734Srpaulo * reassociation is requested. If we are in process of associating with 908214734Srpaulo * the selected BSSID, do not trigger new attempt. 909214734Srpaulo */ 910214734Srpaulo if (wpa_s->reassociate || 911214734Srpaulo (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 && 912252726Srpaulo ((wpa_s->wpa_state != WPA_ASSOCIATING && 913252726Srpaulo wpa_s->wpa_state != WPA_AUTHENTICATING) || 914214734Srpaulo os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) != 915214734Srpaulo 0))) { 916214734Srpaulo if (wpa_supplicant_scard_init(wpa_s, ssid)) { 917214734Srpaulo wpa_supplicant_req_new_scan(wpa_s, 10, 0); 918252726Srpaulo return 0; 919214734Srpaulo } 920252726Srpaulo wpa_msg(wpa_s, MSG_DEBUG, "Request association: " 921252726Srpaulo "reassociate: %d selected: "MACSTR " bssid: " MACSTR 922252726Srpaulo " pending: " MACSTR " wpa_state: %s", 923252726Srpaulo wpa_s->reassociate, MAC2STR(selected->bssid), 924252726Srpaulo MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid), 925252726Srpaulo wpa_supplicant_state_txt(wpa_s->wpa_state)); 926214734Srpaulo wpa_supplicant_associate(wpa_s, selected, ssid); 927214734Srpaulo } else { 928252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Already associated with the " 929252726Srpaulo "selected AP"); 930214734Srpaulo } 931252726Srpaulo 932252726Srpaulo return 0; 933214734Srpaulo} 934214734Srpaulo 935214734Srpaulo 936214734Srpaulostatic struct wpa_ssid * 937214734Srpaulowpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s) 938214734Srpaulo{ 939214734Srpaulo int prio; 940214734Srpaulo struct wpa_ssid *ssid; 941214734Srpaulo 942214734Srpaulo for (prio = 0; prio < wpa_s->conf->num_prio; prio++) { 943214734Srpaulo for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext) 944214734Srpaulo { 945252726Srpaulo if (wpas_network_disabled(wpa_s, ssid)) 946214734Srpaulo continue; 947214734Srpaulo if (ssid->mode == IEEE80211_MODE_IBSS || 948214734Srpaulo ssid->mode == IEEE80211_MODE_AP) 949214734Srpaulo return ssid; 950214734Srpaulo } 951214734Srpaulo } 952214734Srpaulo return NULL; 953214734Srpaulo} 954214734Srpaulo 955214734Srpaulo 956214734Srpaulo/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based 957214734Srpaulo * on BSS added and BSS changed events */ 958214734Srpaulostatic void wpa_supplicant_rsn_preauth_scan_results( 959252726Srpaulo struct wpa_supplicant *wpa_s) 960214734Srpaulo{ 961252726Srpaulo struct wpa_bss *bss; 962214734Srpaulo 963214734Srpaulo if (rsn_preauth_scan_results(wpa_s->wpa) < 0) 964214734Srpaulo return; 965214734Srpaulo 966252726Srpaulo dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 967214734Srpaulo const u8 *ssid, *rsn; 968214734Srpaulo 969252726Srpaulo ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID); 970214734Srpaulo if (ssid == NULL) 971214734Srpaulo continue; 972214734Srpaulo 973252726Srpaulo rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN); 974214734Srpaulo if (rsn == NULL) 975214734Srpaulo continue; 976214734Srpaulo 977252726Srpaulo rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn); 978214734Srpaulo } 979214734Srpaulo 980214734Srpaulo} 981214734Srpaulo 982214734Srpaulo 983214734Srpaulostatic int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s, 984214734Srpaulo struct wpa_bss *selected, 985252726Srpaulo struct wpa_ssid *ssid) 986214734Srpaulo{ 987252726Srpaulo struct wpa_bss *current_bss = NULL; 988214734Srpaulo int min_diff; 989214734Srpaulo 990214734Srpaulo if (wpa_s->reassociate) 991214734Srpaulo return 1; /* explicit request to reassociate */ 992214734Srpaulo if (wpa_s->wpa_state < WPA_ASSOCIATED) 993214734Srpaulo return 1; /* we are not associated; continue */ 994214734Srpaulo if (wpa_s->current_ssid == NULL) 995214734Srpaulo return 1; /* unknown current SSID */ 996214734Srpaulo if (wpa_s->current_ssid != ssid) 997214734Srpaulo return 1; /* different network block */ 998214734Srpaulo 999252726Srpaulo if (wpas_driver_bss_selection(wpa_s)) 1000252726Srpaulo return 0; /* Driver-based roaming */ 1001214734Srpaulo 1002252726Srpaulo if (wpa_s->current_ssid->ssid) 1003252726Srpaulo current_bss = wpa_bss_get(wpa_s, wpa_s->bssid, 1004252726Srpaulo wpa_s->current_ssid->ssid, 1005252726Srpaulo wpa_s->current_ssid->ssid_len); 1006252726Srpaulo if (!current_bss) 1007252726Srpaulo current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid); 1008214734Srpaulo 1009214734Srpaulo if (!current_bss) 1010214734Srpaulo return 1; /* current BSS not seen in scan results */ 1011214734Srpaulo 1012252726Srpaulo if (current_bss == selected) 1013252726Srpaulo return 0; 1014214734Srpaulo 1015252726Srpaulo if (selected->last_update_idx > current_bss->last_update_idx) 1016252726Srpaulo return 1; /* current BSS not seen in the last scan */ 1017252726Srpaulo 1018252726Srpaulo#ifndef CONFIG_NO_ROAMING 1019252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation"); 1020252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR " level=%d", 1021252726Srpaulo MAC2STR(current_bss->bssid), current_bss->level); 1022252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR " level=%d", 1023252726Srpaulo MAC2STR(selected->bssid), selected->level); 1024252726Srpaulo 1025214734Srpaulo if (wpa_s->current_ssid->bssid_set && 1026214734Srpaulo os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) == 1027214734Srpaulo 0) { 1028252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS " 1029252726Srpaulo "has preferred BSSID"); 1030214734Srpaulo return 1; 1031214734Srpaulo } 1032214734Srpaulo 1033252726Srpaulo if (current_bss->level < 0 && current_bss->level > selected->level) { 1034252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better " 1035252726Srpaulo "signal level"); 1036252726Srpaulo return 0; 1037252726Srpaulo } 1038252726Srpaulo 1039214734Srpaulo min_diff = 2; 1040214734Srpaulo if (current_bss->level < 0) { 1041214734Srpaulo if (current_bss->level < -85) 1042214734Srpaulo min_diff = 1; 1043214734Srpaulo else if (current_bss->level < -80) 1044214734Srpaulo min_diff = 2; 1045214734Srpaulo else if (current_bss->level < -75) 1046214734Srpaulo min_diff = 3; 1047214734Srpaulo else if (current_bss->level < -70) 1048214734Srpaulo min_diff = 4; 1049214734Srpaulo else 1050214734Srpaulo min_diff = 5; 1051214734Srpaulo } 1052214734Srpaulo if (abs(current_bss->level - selected->level) < min_diff) { 1053252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - too small difference " 1054252726Srpaulo "in signal level"); 1055214734Srpaulo return 0; 1056214734Srpaulo } 1057214734Srpaulo 1058214734Srpaulo return 1; 1059252726Srpaulo#else /* CONFIG_NO_ROAMING */ 1060252726Srpaulo return 0; 1061252726Srpaulo#endif /* CONFIG_NO_ROAMING */ 1062214734Srpaulo} 1063214734Srpaulo 1064214734Srpaulo 1065252726Srpaulo/* Return != 0 if no scan results could be fetched or if scan results should not 1066252726Srpaulo * be shared with other virtual interfaces. */ 1067252726Srpaulostatic int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, 1068214734Srpaulo union wpa_event_data *data) 1069214734Srpaulo{ 1070214734Srpaulo struct wpa_scan_results *scan_res; 1071214734Srpaulo int ap = 0; 1072252726Srpaulo#ifndef CONFIG_NO_RANDOM_POOL 1073252726Srpaulo size_t i, num; 1074252726Srpaulo#endif /* CONFIG_NO_RANDOM_POOL */ 1075214734Srpaulo 1076214734Srpaulo#ifdef CONFIG_AP 1077214734Srpaulo if (wpa_s->ap_iface) 1078214734Srpaulo ap = 1; 1079214734Srpaulo#endif /* CONFIG_AP */ 1080214734Srpaulo 1081214734Srpaulo wpa_supplicant_notify_scanning(wpa_s, 0); 1082214734Srpaulo 1083252726Srpaulo#ifdef CONFIG_P2P 1084252726Srpaulo if (wpa_s->global->p2p_cb_on_scan_complete && 1085252726Srpaulo !wpa_s->global->p2p_disabled && 1086252726Srpaulo wpa_s->global->p2p != NULL && !wpa_s->sta_scan_pending && 1087252726Srpaulo !wpa_s->scan_res_handler) { 1088252726Srpaulo wpa_s->global->p2p_cb_on_scan_complete = 0; 1089252726Srpaulo if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) { 1090252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation " 1091252726Srpaulo "stopped scan processing"); 1092252726Srpaulo wpa_s->sta_scan_pending = 1; 1093252726Srpaulo wpa_supplicant_req_scan(wpa_s, 5, 0); 1094252726Srpaulo return -1; 1095252726Srpaulo } 1096252726Srpaulo } 1097252726Srpaulo wpa_s->sta_scan_pending = 0; 1098252726Srpaulo#endif /* CONFIG_P2P */ 1099252726Srpaulo 1100214734Srpaulo scan_res = wpa_supplicant_get_scan_results(wpa_s, 1101214734Srpaulo data ? &data->scan_info : 1102214734Srpaulo NULL, 1); 1103214734Srpaulo if (scan_res == NULL) { 1104214734Srpaulo if (wpa_s->conf->ap_scan == 2 || ap) 1105252726Srpaulo return -1; 1106252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try " 1107252726Srpaulo "scanning again"); 1108214734Srpaulo wpa_supplicant_req_new_scan(wpa_s, 1, 0); 1109252726Srpaulo return -1; 1110214734Srpaulo } 1111214734Srpaulo 1112252726Srpaulo#ifndef CONFIG_NO_RANDOM_POOL 1113252726Srpaulo num = scan_res->num; 1114252726Srpaulo if (num > 10) 1115252726Srpaulo num = 10; 1116252726Srpaulo for (i = 0; i < num; i++) { 1117252726Srpaulo u8 buf[5]; 1118252726Srpaulo struct wpa_scan_res *res = scan_res->res[i]; 1119252726Srpaulo buf[0] = res->bssid[5]; 1120252726Srpaulo buf[1] = res->qual & 0xff; 1121252726Srpaulo buf[2] = res->noise & 0xff; 1122252726Srpaulo buf[3] = res->level & 0xff; 1123252726Srpaulo buf[4] = res->tsf & 0xff; 1124252726Srpaulo random_add_randomness(buf, sizeof(buf)); 1125252726Srpaulo } 1126252726Srpaulo#endif /* CONFIG_NO_RANDOM_POOL */ 1127252726Srpaulo 1128214734Srpaulo if (wpa_s->scan_res_handler) { 1129252726Srpaulo void (*scan_res_handler)(struct wpa_supplicant *wpa_s, 1130252726Srpaulo struct wpa_scan_results *scan_res); 1131252726Srpaulo 1132252726Srpaulo scan_res_handler = wpa_s->scan_res_handler; 1133214734Srpaulo wpa_s->scan_res_handler = NULL; 1134252726Srpaulo scan_res_handler(wpa_s, scan_res); 1135252726Srpaulo 1136214734Srpaulo wpa_scan_results_free(scan_res); 1137252726Srpaulo return -2; 1138214734Srpaulo } 1139214734Srpaulo 1140214734Srpaulo if (ap) { 1141252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode"); 1142252726Srpaulo#ifdef CONFIG_AP 1143252726Srpaulo if (wpa_s->ap_iface->scan_cb) 1144252726Srpaulo wpa_s->ap_iface->scan_cb(wpa_s->ap_iface); 1145252726Srpaulo#endif /* CONFIG_AP */ 1146214734Srpaulo wpa_scan_results_free(scan_res); 1147252726Srpaulo return 0; 1148214734Srpaulo } 1149214734Srpaulo 1150252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available"); 1151214734Srpaulo wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS); 1152214734Srpaulo wpas_notify_scan_results(wpa_s); 1153214734Srpaulo 1154214734Srpaulo wpas_notify_scan_done(wpa_s, 1); 1155214734Srpaulo 1156252726Srpaulo if (sme_proc_obss_scan(wpa_s) > 0) { 1157252726Srpaulo wpa_scan_results_free(scan_res); 1158252726Srpaulo return 0; 1159252726Srpaulo } 1160252726Srpaulo 1161214734Srpaulo if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) { 1162214734Srpaulo wpa_scan_results_free(scan_res); 1163252726Srpaulo return 0; 1164214734Srpaulo } 1165214734Srpaulo 1166252726Srpaulo if (autoscan_notify_scan(wpa_s, scan_res)) { 1167252726Srpaulo wpa_scan_results_free(scan_res); 1168252726Srpaulo return 0; 1169252726Srpaulo } 1170252726Srpaulo 1171214734Srpaulo if (wpa_s->disconnected) { 1172214734Srpaulo wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 1173214734Srpaulo wpa_scan_results_free(scan_res); 1174252726Srpaulo return 0; 1175214734Srpaulo } 1176214734Srpaulo 1177252726Srpaulo if (!wpas_driver_bss_selection(wpa_s) && 1178252726Srpaulo bgscan_notify_scan(wpa_s, scan_res) == 1) { 1179214734Srpaulo wpa_scan_results_free(scan_res); 1180252726Srpaulo return 0; 1181214734Srpaulo } 1182214734Srpaulo 1183252726Srpaulo wpas_wps_update_ap_info(wpa_s, scan_res); 1184214734Srpaulo 1185252726Srpaulo wpa_scan_results_free(scan_res); 1186214734Srpaulo 1187252726Srpaulo return wpas_select_network_from_last_scan(wpa_s); 1188252726Srpaulo} 1189252726Srpaulo 1190252726Srpaulo 1191252726Srpauloint wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s) 1192252726Srpaulo{ 1193252726Srpaulo struct wpa_bss *selected; 1194252726Srpaulo struct wpa_ssid *ssid = NULL; 1195252726Srpaulo 1196252726Srpaulo selected = wpa_supplicant_pick_network(wpa_s, &ssid); 1197252726Srpaulo 1198214734Srpaulo if (selected) { 1199214734Srpaulo int skip; 1200252726Srpaulo skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid); 1201252726Srpaulo if (skip) { 1202252726Srpaulo wpa_supplicant_rsn_preauth_scan_results(wpa_s); 1203252726Srpaulo return 0; 1204252726Srpaulo } 1205252726Srpaulo 1206252726Srpaulo if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) { 1207252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed"); 1208252726Srpaulo return -1; 1209252726Srpaulo } 1210252726Srpaulo wpa_supplicant_rsn_preauth_scan_results(wpa_s); 1211252726Srpaulo /* 1212252726Srpaulo * Do not notify other virtual radios of scan results since we do not 1213252726Srpaulo * want them to start other associations at the same time. 1214252726Srpaulo */ 1215252726Srpaulo return 1; 1216214734Srpaulo } else { 1217252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found"); 1218214734Srpaulo ssid = wpa_supplicant_pick_new_network(wpa_s); 1219214734Srpaulo if (ssid) { 1220252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network"); 1221214734Srpaulo wpa_supplicant_associate(wpa_s, NULL, ssid); 1222252726Srpaulo wpa_supplicant_rsn_preauth_scan_results(wpa_s); 1223214734Srpaulo } else { 1224252726Srpaulo int timeout_sec = wpa_s->scan_interval; 1225214734Srpaulo int timeout_usec = 0; 1226252726Srpaulo#ifdef CONFIG_P2P 1227252726Srpaulo if (wpas_p2p_scan_no_go_seen(wpa_s) == 1) 1228252726Srpaulo return 0; 1229252726Srpaulo 1230252726Srpaulo if (wpa_s->p2p_in_provisioning) { 1231252726Srpaulo /* 1232252726Srpaulo * Use shorter wait during P2P Provisioning 1233252726Srpaulo * state to speed up group formation. 1234252726Srpaulo */ 1235252726Srpaulo timeout_sec = 0; 1236252726Srpaulo timeout_usec = 250000; 1237252726Srpaulo wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 1238252726Srpaulo timeout_usec); 1239252726Srpaulo return 0; 1240252726Srpaulo } 1241252726Srpaulo#endif /* CONFIG_P2P */ 1242252726Srpaulo#ifdef CONFIG_INTERWORKING 1243252726Srpaulo if (wpa_s->conf->auto_interworking && 1244252726Srpaulo wpa_s->conf->interworking && 1245252726Srpaulo wpa_s->conf->cred) { 1246252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: " 1247252726Srpaulo "start ANQP fetch since no matching " 1248252726Srpaulo "networks found"); 1249252726Srpaulo wpa_s->network_select = 1; 1250252726Srpaulo wpa_s->auto_network_select = 1; 1251252726Srpaulo interworking_start_fetch_anqp(wpa_s); 1252252726Srpaulo return 1; 1253252726Srpaulo } 1254252726Srpaulo#endif /* CONFIG_INTERWORKING */ 1255252726Srpaulo if (wpa_supplicant_req_sched_scan(wpa_s)) 1256252726Srpaulo wpa_supplicant_req_new_scan(wpa_s, timeout_sec, 1257252726Srpaulo timeout_usec); 1258214734Srpaulo } 1259214734Srpaulo } 1260252726Srpaulo return 0; 1261214734Srpaulo} 1262252726Srpaulo 1263252726Srpaulo 1264252726Srpaulostatic void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, 1265252726Srpaulo union wpa_event_data *data) 1266252726Srpaulo{ 1267252726Srpaulo const char *rn, *rn2; 1268252726Srpaulo struct wpa_supplicant *ifs; 1269252726Srpaulo 1270252726Srpaulo if (_wpa_supplicant_event_scan_results(wpa_s, data) != 0) { 1271252726Srpaulo /* 1272252726Srpaulo * If no scan results could be fetched, then no need to 1273252726Srpaulo * notify those interfaces that did not actually request 1274252726Srpaulo * this scan. Similarly, if scan results started a new operation on this 1275252726Srpaulo * interface, do not notify other interfaces to avoid concurrent 1276252726Srpaulo * operations during a connection attempt. 1277252726Srpaulo */ 1278252726Srpaulo return; 1279252726Srpaulo } 1280252726Srpaulo 1281252726Srpaulo /* 1282252726Srpaulo * Check other interfaces to see if they have the same radio-name. If 1283252726Srpaulo * so, they get updated with this same scan info. 1284252726Srpaulo */ 1285252726Srpaulo if (!wpa_s->driver->get_radio_name) 1286252726Srpaulo return; 1287252726Srpaulo 1288252726Srpaulo rn = wpa_s->driver->get_radio_name(wpa_s->drv_priv); 1289252726Srpaulo if (rn == NULL || rn[0] == '\0') 1290252726Srpaulo return; 1291252726Srpaulo 1292252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Checking for other virtual interfaces " 1293252726Srpaulo "sharing same radio (%s) in event_scan_results", rn); 1294252726Srpaulo 1295252726Srpaulo for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) { 1296252726Srpaulo if (ifs == wpa_s || !ifs->driver->get_radio_name) 1297252726Srpaulo continue; 1298252726Srpaulo 1299252726Srpaulo rn2 = ifs->driver->get_radio_name(ifs->drv_priv); 1300252726Srpaulo if (rn2 && os_strcmp(rn, rn2) == 0) { 1301252726Srpaulo wpa_printf(MSG_DEBUG, "%s: Updating scan results from " 1302252726Srpaulo "sibling", ifs->ifname); 1303252726Srpaulo _wpa_supplicant_event_scan_results(ifs, data); 1304252726Srpaulo } 1305252726Srpaulo } 1306252726Srpaulo} 1307252726Srpaulo 1308189251Ssam#endif /* CONFIG_NO_SCAN_PROCESSING */ 1309189251Ssam 1310189251Ssam 1311252726Srpaulo#ifdef CONFIG_WNM 1312252726Srpaulo 1313252726Srpaulostatic void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx) 1314252726Srpaulo{ 1315252726Srpaulo struct wpa_supplicant *wpa_s = eloop_ctx; 1316252726Srpaulo 1317252726Srpaulo if (wpa_s->wpa_state < WPA_ASSOCIATED) 1318252726Srpaulo return; 1319252726Srpaulo 1320252726Srpaulo if (!wpa_s->no_keep_alive) { 1321252726Srpaulo wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR, 1322252726Srpaulo MAC2STR(wpa_s->bssid)); 1323252726Srpaulo /* TODO: could skip this if normal data traffic has been sent */ 1324252726Srpaulo /* TODO: Consider using some more appropriate data frame for 1325252726Srpaulo * this */ 1326252726Srpaulo if (wpa_s->l2) 1327252726Srpaulo l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800, 1328252726Srpaulo (u8 *) "", 0); 1329252726Srpaulo } 1330252726Srpaulo 1331252726Srpaulo#ifdef CONFIG_SME 1332252726Srpaulo if (wpa_s->sme.bss_max_idle_period) { 1333252726Srpaulo unsigned int msec; 1334252726Srpaulo msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */ 1335252726Srpaulo if (msec > 100) 1336252726Srpaulo msec -= 100; 1337252726Srpaulo eloop_register_timeout(msec / 1000, msec % 1000 * 1000, 1338252726Srpaulo wnm_bss_keep_alive, wpa_s, NULL); 1339252726Srpaulo } 1340252726Srpaulo#endif /* CONFIG_SME */ 1341252726Srpaulo} 1342252726Srpaulo 1343252726Srpaulo 1344252726Srpaulostatic void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s, 1345252726Srpaulo const u8 *ies, size_t ies_len) 1346252726Srpaulo{ 1347252726Srpaulo struct ieee802_11_elems elems; 1348252726Srpaulo 1349252726Srpaulo if (ies == NULL) 1350252726Srpaulo return; 1351252726Srpaulo 1352252726Srpaulo if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) 1353252726Srpaulo return; 1354252726Srpaulo 1355252726Srpaulo#ifdef CONFIG_SME 1356252726Srpaulo if (elems.bss_max_idle_period) { 1357252726Srpaulo unsigned int msec; 1358252726Srpaulo wpa_s->sme.bss_max_idle_period = 1359252726Srpaulo WPA_GET_LE16(elems.bss_max_idle_period); 1360252726Srpaulo wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 " 1361252726Srpaulo "TU)%s", wpa_s->sme.bss_max_idle_period, 1362252726Srpaulo (elems.bss_max_idle_period[2] & 0x01) ? 1363252726Srpaulo " (protected keep-live required)" : ""); 1364252726Srpaulo if (wpa_s->sme.bss_max_idle_period == 0) 1365252726Srpaulo wpa_s->sme.bss_max_idle_period = 1; 1366252726Srpaulo if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) { 1367252726Srpaulo eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); 1368252726Srpaulo /* msec times 1000 */ 1369252726Srpaulo msec = wpa_s->sme.bss_max_idle_period * 1024; 1370252726Srpaulo if (msec > 100) 1371252726Srpaulo msec -= 100; 1372252726Srpaulo eloop_register_timeout(msec / 1000, msec % 1000 * 1000, 1373252726Srpaulo wnm_bss_keep_alive, wpa_s, 1374252726Srpaulo NULL); 1375252726Srpaulo } 1376252726Srpaulo } 1377252726Srpaulo#endif /* CONFIG_SME */ 1378252726Srpaulo} 1379252726Srpaulo 1380252726Srpaulo#endif /* CONFIG_WNM */ 1381252726Srpaulo 1382252726Srpaulo 1383252726Srpaulovoid wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s) 1384252726Srpaulo{ 1385252726Srpaulo#ifdef CONFIG_WNM 1386252726Srpaulo eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL); 1387252726Srpaulo#endif /* CONFIG_WNM */ 1388252726Srpaulo} 1389252726Srpaulo 1390252726Srpaulo 1391214734Srpaulostatic int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s, 1392214734Srpaulo union wpa_event_data *data) 1393189251Ssam{ 1394189251Ssam int l, len, found = 0, wpa_found, rsn_found; 1395214734Srpaulo const u8 *p; 1396189251Ssam 1397252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Association info event"); 1398189251Ssam if (data->assoc_info.req_ies) 1399189251Ssam wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies, 1400189251Ssam data->assoc_info.req_ies_len); 1401252726Srpaulo if (data->assoc_info.resp_ies) { 1402189251Ssam wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies, 1403189251Ssam data->assoc_info.resp_ies_len); 1404252726Srpaulo#ifdef CONFIG_TDLS 1405252726Srpaulo wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies, 1406252726Srpaulo data->assoc_info.resp_ies_len); 1407252726Srpaulo#endif /* CONFIG_TDLS */ 1408252726Srpaulo#ifdef CONFIG_WNM 1409252726Srpaulo wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies, 1410252726Srpaulo data->assoc_info.resp_ies_len); 1411252726Srpaulo#endif /* CONFIG_WNM */ 1412252726Srpaulo } 1413189251Ssam if (data->assoc_info.beacon_ies) 1414189251Ssam wpa_hexdump(MSG_DEBUG, "beacon_ies", 1415189251Ssam data->assoc_info.beacon_ies, 1416189251Ssam data->assoc_info.beacon_ies_len); 1417214734Srpaulo if (data->assoc_info.freq) 1418252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz", 1419252726Srpaulo data->assoc_info.freq); 1420189251Ssam 1421189251Ssam p = data->assoc_info.req_ies; 1422189251Ssam l = data->assoc_info.req_ies_len; 1423189251Ssam 1424189251Ssam /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */ 1425189251Ssam while (p && l >= 2) { 1426189251Ssam len = p[1] + 2; 1427189251Ssam if (len > l) { 1428189251Ssam wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", 1429189251Ssam p, l); 1430189251Ssam break; 1431189251Ssam } 1432189251Ssam if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && 1433189251Ssam (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) || 1434189251Ssam (p[0] == WLAN_EID_RSN && p[1] >= 2)) { 1435189251Ssam if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len)) 1436189251Ssam break; 1437189251Ssam found = 1; 1438189251Ssam wpa_find_assoc_pmkid(wpa_s); 1439189251Ssam break; 1440189251Ssam } 1441189251Ssam l -= len; 1442189251Ssam p += len; 1443189251Ssam } 1444189251Ssam if (!found && data->assoc_info.req_ies) 1445189251Ssam wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0); 1446189251Ssam 1447214734Srpaulo#ifdef CONFIG_IEEE80211R 1448214734Srpaulo#ifdef CONFIG_SME 1449214734Srpaulo if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) { 1450214734Srpaulo u8 bssid[ETH_ALEN]; 1451214734Srpaulo if (wpa_drv_get_bssid(wpa_s, bssid) < 0 || 1452214734Srpaulo wpa_ft_validate_reassoc_resp(wpa_s->wpa, 1453214734Srpaulo data->assoc_info.resp_ies, 1454214734Srpaulo data->assoc_info.resp_ies_len, 1455214734Srpaulo bssid) < 0) { 1456252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of " 1457252726Srpaulo "Reassociation Response failed"); 1458214734Srpaulo wpa_supplicant_deauthenticate( 1459214734Srpaulo wpa_s, WLAN_REASON_INVALID_IE); 1460214734Srpaulo return -1; 1461214734Srpaulo } 1462214734Srpaulo } 1463214734Srpaulo 1464214734Srpaulo p = data->assoc_info.resp_ies; 1465214734Srpaulo l = data->assoc_info.resp_ies_len; 1466214734Srpaulo 1467252726Srpaulo#ifdef CONFIG_WPS_STRICT 1468252726Srpaulo if (p && wpa_s->current_ssid && 1469252726Srpaulo wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) { 1470252726Srpaulo struct wpabuf *wps; 1471252726Srpaulo wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE); 1472252726Srpaulo if (wps == NULL) { 1473252726Srpaulo wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not " 1474252726Srpaulo "include WPS IE in (Re)Association Response"); 1475252726Srpaulo return -1; 1476252726Srpaulo } 1477252726Srpaulo 1478252726Srpaulo if (wps_validate_assoc_resp(wps) < 0) { 1479252726Srpaulo wpabuf_free(wps); 1480252726Srpaulo wpa_supplicant_deauthenticate( 1481252726Srpaulo wpa_s, WLAN_REASON_INVALID_IE); 1482252726Srpaulo return -1; 1483252726Srpaulo } 1484252726Srpaulo wpabuf_free(wps); 1485252726Srpaulo } 1486252726Srpaulo#endif /* CONFIG_WPS_STRICT */ 1487252726Srpaulo 1488214734Srpaulo /* Go through the IEs and make a copy of the MDIE, if present. */ 1489214734Srpaulo while (p && l >= 2) { 1490214734Srpaulo len = p[1] + 2; 1491214734Srpaulo if (len > l) { 1492214734Srpaulo wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info", 1493214734Srpaulo p, l); 1494214734Srpaulo break; 1495214734Srpaulo } 1496214734Srpaulo if (p[0] == WLAN_EID_MOBILITY_DOMAIN && 1497214734Srpaulo p[1] >= MOBILITY_DOMAIN_ID_LEN) { 1498214734Srpaulo wpa_s->sme.ft_used = 1; 1499214734Srpaulo os_memcpy(wpa_s->sme.mobility_domain, p + 2, 1500214734Srpaulo MOBILITY_DOMAIN_ID_LEN); 1501214734Srpaulo break; 1502214734Srpaulo } 1503214734Srpaulo l -= len; 1504214734Srpaulo p += len; 1505214734Srpaulo } 1506214734Srpaulo#endif /* CONFIG_SME */ 1507214734Srpaulo 1508214734Srpaulo wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies, 1509214734Srpaulo data->assoc_info.resp_ies_len); 1510214734Srpaulo#endif /* CONFIG_IEEE80211R */ 1511214734Srpaulo 1512189251Ssam /* WPA/RSN IE from Beacon/ProbeResp */ 1513189251Ssam p = data->assoc_info.beacon_ies; 1514189251Ssam l = data->assoc_info.beacon_ies_len; 1515189251Ssam 1516189251Ssam /* Go through the IEs and make a copy of the WPA/RSN IEs, if present. 1517189251Ssam */ 1518189251Ssam wpa_found = rsn_found = 0; 1519189251Ssam while (p && l >= 2) { 1520189251Ssam len = p[1] + 2; 1521189251Ssam if (len > l) { 1522189251Ssam wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies", 1523189251Ssam p, l); 1524189251Ssam break; 1525189251Ssam } 1526189251Ssam if (!wpa_found && 1527189251Ssam p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 && 1528189251Ssam os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) { 1529189251Ssam wpa_found = 1; 1530189251Ssam wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len); 1531189251Ssam } 1532189251Ssam 1533189251Ssam if (!rsn_found && 1534189251Ssam p[0] == WLAN_EID_RSN && p[1] >= 2) { 1535189251Ssam rsn_found = 1; 1536189251Ssam wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len); 1537189251Ssam } 1538189251Ssam 1539189251Ssam l -= len; 1540189251Ssam p += len; 1541189251Ssam } 1542189251Ssam 1543189251Ssam if (!wpa_found && data->assoc_info.beacon_ies) 1544189251Ssam wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0); 1545189251Ssam if (!rsn_found && data->assoc_info.beacon_ies) 1546189251Ssam wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0); 1547189251Ssam if (wpa_found || rsn_found) 1548189251Ssam wpa_s->ap_ies_from_associnfo = 1; 1549214734Srpaulo 1550252726Srpaulo if (wpa_s->assoc_freq && data->assoc_info.freq && 1551252726Srpaulo wpa_s->assoc_freq != data->assoc_info.freq) { 1552252726Srpaulo wpa_printf(MSG_DEBUG, "Operating frequency changed from " 1553252726Srpaulo "%u to %u MHz", 1554252726Srpaulo wpa_s->assoc_freq, data->assoc_info.freq); 1555252726Srpaulo wpa_supplicant_update_scan_results(wpa_s); 1556252726Srpaulo } 1557252726Srpaulo 1558214734Srpaulo wpa_s->assoc_freq = data->assoc_info.freq; 1559214734Srpaulo 1560214734Srpaulo return 0; 1561189251Ssam} 1562189251Ssam 1563189251Ssam 1564252726Srpaulostatic struct wpa_bss * wpa_supplicant_get_new_bss( 1565252726Srpaulo struct wpa_supplicant *wpa_s, const u8 *bssid) 1566252726Srpaulo{ 1567252726Srpaulo struct wpa_bss *bss = NULL; 1568252726Srpaulo struct wpa_ssid *ssid = wpa_s->current_ssid; 1569252726Srpaulo 1570252726Srpaulo if (ssid->ssid_len > 0) 1571252726Srpaulo bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len); 1572252726Srpaulo if (!bss) 1573252726Srpaulo bss = wpa_bss_get_bssid(wpa_s, bssid); 1574252726Srpaulo 1575252726Srpaulo return bss; 1576252726Srpaulo} 1577252726Srpaulo 1578252726Srpaulo 1579252726Srpaulostatic int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s) 1580252726Srpaulo{ 1581252726Srpaulo const u8 *bss_wpa = NULL, *bss_rsn = NULL; 1582252726Srpaulo 1583252726Srpaulo if (!wpa_s->current_bss || !wpa_s->current_ssid) 1584252726Srpaulo return -1; 1585252726Srpaulo 1586252726Srpaulo if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt)) 1587252726Srpaulo return 0; 1588252726Srpaulo 1589252726Srpaulo bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss, 1590252726Srpaulo WPA_IE_VENDOR_TYPE); 1591252726Srpaulo bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN); 1592252726Srpaulo 1593252726Srpaulo if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa, 1594252726Srpaulo bss_wpa ? 2 + bss_wpa[1] : 0) || 1595252726Srpaulo wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn, 1596252726Srpaulo bss_rsn ? 2 + bss_rsn[1] : 0)) 1597252726Srpaulo return -1; 1598252726Srpaulo 1599252726Srpaulo return 0; 1600252726Srpaulo} 1601252726Srpaulo 1602252726Srpaulo 1603189251Ssamstatic void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s, 1604189251Ssam union wpa_event_data *data) 1605189251Ssam{ 1606189251Ssam u8 bssid[ETH_ALEN]; 1607214734Srpaulo int ft_completed; 1608214734Srpaulo struct wpa_driver_capa capa; 1609189251Ssam 1610214734Srpaulo#ifdef CONFIG_AP 1611214734Srpaulo if (wpa_s->ap_iface) { 1612214734Srpaulo hostapd_notif_assoc(wpa_s->ap_iface->bss[0], 1613214734Srpaulo data->assoc_info.addr, 1614214734Srpaulo data->assoc_info.req_ies, 1615252726Srpaulo data->assoc_info.req_ies_len, 1616252726Srpaulo data->assoc_info.reassoc); 1617214734Srpaulo return; 1618214734Srpaulo } 1619214734Srpaulo#endif /* CONFIG_AP */ 1620189251Ssam 1621214734Srpaulo ft_completed = wpa_ft_is_completed(wpa_s->wpa); 1622214734Srpaulo if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0) 1623214734Srpaulo return; 1624214734Srpaulo 1625252726Srpaulo if (wpa_drv_get_bssid(wpa_s, bssid) < 0) { 1626252726Srpaulo wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID"); 1627252726Srpaulo wpa_supplicant_deauthenticate( 1628252726Srpaulo wpa_s, WLAN_REASON_DEAUTH_LEAVING); 1629252726Srpaulo return; 1630252726Srpaulo } 1631252726Srpaulo 1632189251Ssam wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED); 1633252726Srpaulo if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) { 1634252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID=" 1635189251Ssam MACSTR, MAC2STR(bssid)); 1636252726Srpaulo random_add_randomness(bssid, ETH_ALEN); 1637189251Ssam os_memcpy(wpa_s->bssid, bssid, ETH_ALEN); 1638189251Ssam os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); 1639252726Srpaulo wpas_notify_bssid_changed(wpa_s); 1640214734Srpaulo 1641189251Ssam if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) { 1642189251Ssam wpa_clear_keys(wpa_s, bssid); 1643189251Ssam } 1644189251Ssam if (wpa_supplicant_select_config(wpa_s) < 0) { 1645252726Srpaulo wpa_supplicant_deauthenticate( 1646189251Ssam wpa_s, WLAN_REASON_DEAUTH_LEAVING); 1647189251Ssam return; 1648189251Ssam } 1649214734Srpaulo if (wpa_s->current_ssid) { 1650214734Srpaulo struct wpa_bss *bss = NULL; 1651252726Srpaulo 1652252726Srpaulo bss = wpa_supplicant_get_new_bss(wpa_s, bssid); 1653252726Srpaulo if (!bss) { 1654252726Srpaulo wpa_supplicant_update_scan_results(wpa_s); 1655252726Srpaulo 1656252726Srpaulo /* Get the BSS from the new scan results */ 1657252726Srpaulo bss = wpa_supplicant_get_new_bss(wpa_s, bssid); 1658252726Srpaulo } 1659252726Srpaulo 1660214734Srpaulo if (bss) 1661214734Srpaulo wpa_s->current_bss = bss; 1662214734Srpaulo } 1663252726Srpaulo 1664252726Srpaulo if (wpa_s->conf->ap_scan == 1 && 1665252726Srpaulo wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) { 1666252726Srpaulo if (wpa_supplicant_assoc_update_ie(wpa_s) < 0) 1667252726Srpaulo wpa_msg(wpa_s, MSG_WARNING, 1668252726Srpaulo "WPA/RSN IEs not updated"); 1669252726Srpaulo } 1670189251Ssam } 1671189251Ssam 1672214734Srpaulo#ifdef CONFIG_SME 1673214734Srpaulo os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN); 1674214734Srpaulo wpa_s->sme.prev_bssid_set = 1; 1675214734Srpaulo#endif /* CONFIG_SME */ 1676214734Srpaulo 1677189251Ssam wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid)); 1678189251Ssam if (wpa_s->current_ssid) { 1679189251Ssam /* When using scanning (ap_scan=1), SIM PC/SC interface can be 1680189251Ssam * initialized before association, but for other modes, 1681189251Ssam * initialize PC/SC here, if the current configuration needs 1682189251Ssam * smartcard or SIM/USIM. */ 1683189251Ssam wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid); 1684189251Ssam } 1685189251Ssam wpa_sm_notify_assoc(wpa_s->wpa, bssid); 1686214734Srpaulo if (wpa_s->l2) 1687214734Srpaulo l2_packet_notify_auth_start(wpa_s->l2); 1688189251Ssam 1689189251Ssam /* 1690189251Ssam * Set portEnabled first to FALSE in order to get EAP state machine out 1691189251Ssam * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE 1692189251Ssam * state machine may transit to AUTHENTICATING state based on obsolete 1693189251Ssam * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to 1694189251Ssam * AUTHENTICATED without ever giving chance to EAP state machine to 1695189251Ssam * reset the state. 1696189251Ssam */ 1697189251Ssam if (!ft_completed) { 1698189251Ssam eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); 1699189251Ssam eapol_sm_notify_portValid(wpa_s->eapol, FALSE); 1700189251Ssam } 1701189251Ssam if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed) 1702189251Ssam eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); 1703189251Ssam /* 802.1X::portControl = Auto */ 1704189251Ssam eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE); 1705189251Ssam wpa_s->eapol_received = 0; 1706189251Ssam if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || 1707214734Srpaulo wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE || 1708214734Srpaulo (wpa_s->current_ssid && 1709214734Srpaulo wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) { 1710189251Ssam wpa_supplicant_cancel_auth_timeout(wpa_s); 1711189251Ssam wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 1712189251Ssam } else if (!ft_completed) { 1713189251Ssam /* Timeout for receiving the first EAPOL packet */ 1714189251Ssam wpa_supplicant_req_auth_timeout(wpa_s, 10, 0); 1715189251Ssam } 1716189251Ssam wpa_supplicant_cancel_scan(wpa_s); 1717189251Ssam 1718214734Srpaulo if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && 1719189251Ssam wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { 1720189251Ssam /* 1721189251Ssam * We are done; the driver will take care of RSN 4-way 1722189251Ssam * handshake. 1723189251Ssam */ 1724189251Ssam wpa_supplicant_cancel_auth_timeout(wpa_s); 1725189251Ssam wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 1726189251Ssam eapol_sm_notify_portValid(wpa_s->eapol, TRUE); 1727189251Ssam eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); 1728252726Srpaulo } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && 1729252726Srpaulo wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) { 1730252726Srpaulo /* 1731252726Srpaulo * The driver will take care of RSN 4-way handshake, so we need 1732252726Srpaulo * to allow EAPOL supplicant to complete its work without 1733252726Srpaulo * waiting for WPA supplicant. 1734252726Srpaulo */ 1735252726Srpaulo eapol_sm_notify_portValid(wpa_s->eapol, TRUE); 1736252726Srpaulo } else if (ft_completed) { 1737252726Srpaulo /* 1738252726Srpaulo * FT protocol completed - make sure EAPOL state machine ends 1739252726Srpaulo * up in authenticated. 1740252726Srpaulo */ 1741252726Srpaulo wpa_supplicant_cancel_auth_timeout(wpa_s); 1742252726Srpaulo wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); 1743252726Srpaulo eapol_sm_notify_portValid(wpa_s->eapol, TRUE); 1744252726Srpaulo eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); 1745189251Ssam } 1746209158Srpaulo 1747252726Srpaulo wpa_s->last_eapol_matches_bssid = 0; 1748252726Srpaulo 1749209158Srpaulo if (wpa_s->pending_eapol_rx) { 1750209158Srpaulo struct os_time now, age; 1751209158Srpaulo os_get_time(&now); 1752209158Srpaulo os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age); 1753209158Srpaulo if (age.sec == 0 && age.usec < 100000 && 1754209158Srpaulo os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) == 1755209158Srpaulo 0) { 1756252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL " 1757252726Srpaulo "frame that was received just before " 1758252726Srpaulo "association notification"); 1759209158Srpaulo wpa_supplicant_rx_eapol( 1760209158Srpaulo wpa_s, wpa_s->pending_eapol_rx_src, 1761209158Srpaulo wpabuf_head(wpa_s->pending_eapol_rx), 1762209158Srpaulo wpabuf_len(wpa_s->pending_eapol_rx)); 1763209158Srpaulo } 1764209158Srpaulo wpabuf_free(wpa_s->pending_eapol_rx); 1765209158Srpaulo wpa_s->pending_eapol_rx = NULL; 1766209158Srpaulo } 1767214734Srpaulo 1768214734Srpaulo if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || 1769214734Srpaulo wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) && 1770214734Srpaulo wpa_s->current_ssid && wpa_drv_get_capa(wpa_s, &capa) == 0 && 1771214734Srpaulo capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE) { 1772214734Srpaulo /* Set static WEP keys again */ 1773214734Srpaulo wpa_set_wep_keys(wpa_s, wpa_s->current_ssid); 1774214734Srpaulo } 1775252726Srpaulo 1776252726Srpaulo#ifdef CONFIG_IBSS_RSN 1777252726Srpaulo if (wpa_s->current_ssid && 1778252726Srpaulo wpa_s->current_ssid->mode == WPAS_MODE_IBSS && 1779252726Srpaulo wpa_s->key_mgmt != WPA_KEY_MGMT_NONE && 1780252726Srpaulo wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE && 1781252726Srpaulo wpa_s->ibss_rsn == NULL) { 1782252726Srpaulo wpa_s->ibss_rsn = ibss_rsn_init(wpa_s); 1783252726Srpaulo if (!wpa_s->ibss_rsn) { 1784252726Srpaulo wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN"); 1785252726Srpaulo wpa_supplicant_deauthenticate( 1786252726Srpaulo wpa_s, WLAN_REASON_DEAUTH_LEAVING); 1787252726Srpaulo return; 1788252726Srpaulo } 1789252726Srpaulo 1790252726Srpaulo ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk); 1791252726Srpaulo } 1792252726Srpaulo#endif /* CONFIG_IBSS_RSN */ 1793252726Srpaulo 1794252726Srpaulo wpas_wps_notify_assoc(wpa_s, bssid); 1795189251Ssam} 1796189251Ssam 1797189251Ssam 1798252726Srpaulostatic int disconnect_reason_recoverable(u16 reason_code) 1799252726Srpaulo{ 1800252726Srpaulo return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY || 1801252726Srpaulo reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA || 1802252726Srpaulo reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA; 1803252726Srpaulo} 1804252726Srpaulo 1805252726Srpaulo 1806214734Srpaulostatic void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s, 1807252726Srpaulo u16 reason_code, 1808252726Srpaulo int locally_generated) 1809189251Ssam{ 1810189251Ssam const u8 *bssid; 1811252726Srpaulo 1812252726Srpaulo if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { 1813252726Srpaulo /* 1814252726Srpaulo * At least Host AP driver and a Prism3 card seemed to be 1815252726Srpaulo * generating streams of disconnected events when configuring 1816252726Srpaulo * IBSS for WPA-None. Ignore them for now. 1817252726Srpaulo */ 1818252726Srpaulo return; 1819252726Srpaulo } 1820252726Srpaulo 1821252726Srpaulo bssid = wpa_s->bssid; 1822252726Srpaulo if (is_zero_ether_addr(bssid)) 1823252726Srpaulo bssid = wpa_s->pending_bssid; 1824252726Srpaulo 1825252726Srpaulo if (!is_zero_ether_addr(bssid) || 1826252726Srpaulo wpa_s->wpa_state >= WPA_AUTHENTICATING) { 1827252726Srpaulo wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR 1828252726Srpaulo " reason=%d%s", 1829252726Srpaulo MAC2STR(bssid), reason_code, 1830252726Srpaulo locally_generated ? " locally_generated=1" : ""); 1831252726Srpaulo } 1832252726Srpaulo} 1833252726Srpaulo 1834252726Srpaulo 1835252726Srpaulostatic int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code, 1836252726Srpaulo int locally_generated) 1837252726Srpaulo{ 1838252726Srpaulo if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE || 1839252726Srpaulo !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) 1840252726Srpaulo return 0; /* Not in 4-way handshake with PSK */ 1841252726Srpaulo 1842252726Srpaulo /* 1843252726Srpaulo * It looks like connection was lost while trying to go through PSK 1844252726Srpaulo * 4-way handshake. Filter out known disconnection cases that are caused 1845252726Srpaulo * by something else than PSK mismatch to avoid confusing reports. 1846252726Srpaulo */ 1847252726Srpaulo 1848252726Srpaulo if (locally_generated) { 1849252726Srpaulo if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS) 1850252726Srpaulo return 0; 1851252726Srpaulo } 1852252726Srpaulo 1853252726Srpaulo return 1; 1854252726Srpaulo} 1855252726Srpaulo 1856252726Srpaulo 1857252726Srpaulostatic void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s, 1858252726Srpaulo u16 reason_code, 1859252726Srpaulo int locally_generated) 1860252726Srpaulo{ 1861252726Srpaulo const u8 *bssid; 1862214734Srpaulo int authenticating; 1863214734Srpaulo u8 prev_pending_bssid[ETH_ALEN]; 1864252726Srpaulo struct wpa_bss *fast_reconnect = NULL; 1865252726Srpaulo struct wpa_ssid *fast_reconnect_ssid = NULL; 1866252726Srpaulo struct wpa_ssid *last_ssid; 1867189251Ssam 1868214734Srpaulo authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING; 1869214734Srpaulo os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN); 1870214734Srpaulo 1871189251Ssam if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) { 1872189251Ssam /* 1873189251Ssam * At least Host AP driver and a Prism3 card seemed to be 1874189251Ssam * generating streams of disconnected events when configuring 1875189251Ssam * IBSS for WPA-None. Ignore them for now. 1876189251Ssam */ 1877252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in " 1878252726Srpaulo "IBSS/WPA-None mode"); 1879189251Ssam return; 1880189251Ssam } 1881189251Ssam 1882252726Srpaulo if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) { 1883189251Ssam wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - " 1884189251Ssam "pre-shared key may be incorrect"); 1885252726Srpaulo wpas_auth_failed(wpa_s); 1886189251Ssam } 1887252726Srpaulo if (!wpa_s->auto_reconnect_disabled || 1888252726Srpaulo wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) { 1889252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to " 1890252726Srpaulo "reconnect (wps=%d wpa_state=%d)", 1891252726Srpaulo wpa_s->key_mgmt == WPA_KEY_MGMT_WPS, 1892252726Srpaulo wpa_s->wpa_state); 1893252726Srpaulo if (wpa_s->wpa_state == WPA_COMPLETED && 1894252726Srpaulo wpa_s->current_ssid && 1895252726Srpaulo wpa_s->current_ssid->mode == WPAS_MODE_INFRA && 1896252726Srpaulo !locally_generated && 1897252726Srpaulo disconnect_reason_recoverable(reason_code)) { 1898252726Srpaulo /* 1899252726Srpaulo * It looks like the AP has dropped association with 1900252726Srpaulo * us, but could allow us to get back in. Try to 1901252726Srpaulo * reconnect to the same BSS without full scan to save 1902252726Srpaulo * time for some common cases. 1903252726Srpaulo */ 1904252726Srpaulo fast_reconnect = wpa_s->current_bss; 1905252726Srpaulo fast_reconnect_ssid = wpa_s->current_ssid; 1906252726Srpaulo } else if (wpa_s->wpa_state >= WPA_ASSOCIATING) 1907252726Srpaulo wpa_supplicant_req_scan(wpa_s, 0, 100000); 1908252726Srpaulo else 1909252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new " 1910252726Srpaulo "immediate scan"); 1911252726Srpaulo } else { 1912252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not " 1913252726Srpaulo "try to re-connect"); 1914252726Srpaulo wpa_s->reassociate = 0; 1915252726Srpaulo wpa_s->disconnected = 1; 1916252726Srpaulo wpa_supplicant_cancel_sched_scan(wpa_s); 1917252726Srpaulo } 1918189251Ssam bssid = wpa_s->bssid; 1919189251Ssam if (is_zero_ether_addr(bssid)) 1920189251Ssam bssid = wpa_s->pending_bssid; 1921252726Srpaulo if (wpa_s->wpa_state >= WPA_AUTHENTICATING) 1922252726Srpaulo wpas_connection_failed(wpa_s, bssid); 1923189251Ssam wpa_sm_notify_disassoc(wpa_s->wpa); 1924252726Srpaulo if (locally_generated) 1925252726Srpaulo wpa_s->disconnect_reason = -reason_code; 1926252726Srpaulo else 1927252726Srpaulo wpa_s->disconnect_reason = reason_code; 1928252726Srpaulo wpas_notify_disconnect_reason(wpa_s); 1929189251Ssam if (wpa_supplicant_dynamic_keys(wpa_s)) { 1930252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys"); 1931189251Ssam wpa_s->keys_cleared = 0; 1932189251Ssam wpa_clear_keys(wpa_s, wpa_s->bssid); 1933189251Ssam } 1934252726Srpaulo last_ssid = wpa_s->current_ssid; 1935189251Ssam wpa_supplicant_mark_disassoc(wpa_s); 1936252726Srpaulo 1937252726Srpaulo if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) { 1938252726Srpaulo sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid); 1939252726Srpaulo wpa_s->current_ssid = last_ssid; 1940214734Srpaulo } 1941252726Srpaulo 1942252726Srpaulo if (fast_reconnect) { 1943252726Srpaulo#ifndef CONFIG_NO_SCAN_PROCESSING 1944252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS"); 1945252726Srpaulo if (wpa_supplicant_connect(wpa_s, fast_reconnect, 1946252726Srpaulo fast_reconnect_ssid) < 0) { 1947252726Srpaulo /* Recover through full scan */ 1948252726Srpaulo wpa_supplicant_req_scan(wpa_s, 0, 100000); 1949252726Srpaulo } 1950252726Srpaulo#endif /* CONFIG_NO_SCAN_PROCESSING */ 1951252726Srpaulo } 1952189251Ssam} 1953189251Ssam 1954189251Ssam 1955189251Ssam#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT 1956252726Srpaulovoid wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx) 1957189251Ssam{ 1958189251Ssam struct wpa_supplicant *wpa_s = eloop_ctx; 1959189251Ssam 1960189251Ssam if (!wpa_s->pending_mic_error_report) 1961189251Ssam return; 1962189251Ssam 1963252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report"); 1964189251Ssam wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise); 1965189251Ssam wpa_s->pending_mic_error_report = 0; 1966189251Ssam} 1967189251Ssam#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ 1968189251Ssam 1969189251Ssam 1970189251Ssamstatic void 1971189251Ssamwpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s, 1972189251Ssam union wpa_event_data *data) 1973189251Ssam{ 1974189251Ssam int pairwise; 1975189251Ssam struct os_time t; 1976189251Ssam 1977189251Ssam wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected"); 1978189251Ssam pairwise = (data && data->michael_mic_failure.unicast); 1979189251Ssam os_get_time(&t); 1980189251Ssam if ((wpa_s->last_michael_mic_error && 1981189251Ssam t.sec - wpa_s->last_michael_mic_error <= 60) || 1982189251Ssam wpa_s->pending_mic_error_report) { 1983189251Ssam if (wpa_s->pending_mic_error_report) { 1984189251Ssam /* 1985189251Ssam * Send the pending MIC error report immediately since 1986189251Ssam * we are going to start countermeasures and AP better 1987189251Ssam * do the same. 1988189251Ssam */ 1989189251Ssam wpa_sm_key_request(wpa_s->wpa, 1, 1990189251Ssam wpa_s->pending_mic_error_pairwise); 1991189251Ssam } 1992189251Ssam 1993189251Ssam /* Send the new MIC error report immediately since we are going 1994189251Ssam * to start countermeasures and AP better do the same. 1995189251Ssam */ 1996189251Ssam wpa_sm_key_request(wpa_s->wpa, 1, pairwise); 1997189251Ssam 1998189251Ssam /* initialize countermeasures */ 1999189251Ssam wpa_s->countermeasures = 1; 2000252726Srpaulo 2001252726Srpaulo wpa_blacklist_add(wpa_s, wpa_s->bssid); 2002252726Srpaulo 2003189251Ssam wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started"); 2004189251Ssam 2005189251Ssam /* 2006189251Ssam * Need to wait for completion of request frame. We do not get 2007189251Ssam * any callback for the message completion, so just wait a 2008189251Ssam * short while and hope for the best. */ 2009189251Ssam os_sleep(0, 10000); 2010189251Ssam 2011189251Ssam wpa_drv_set_countermeasures(wpa_s, 1); 2012189251Ssam wpa_supplicant_deauthenticate(wpa_s, 2013189251Ssam WLAN_REASON_MICHAEL_MIC_FAILURE); 2014189251Ssam eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, 2015189251Ssam wpa_s, NULL); 2016189251Ssam eloop_register_timeout(60, 0, 2017189251Ssam wpa_supplicant_stop_countermeasures, 2018189251Ssam wpa_s, NULL); 2019189251Ssam /* TODO: mark the AP rejected for 60 second. STA is 2020189251Ssam * allowed to associate with another AP.. */ 2021189251Ssam } else { 2022189251Ssam#ifdef CONFIG_DELAYED_MIC_ERROR_REPORT 2023189251Ssam if (wpa_s->mic_errors_seen) { 2024189251Ssam /* 2025189251Ssam * Reduce the effectiveness of Michael MIC error 2026189251Ssam * reports as a means for attacking against TKIP if 2027189251Ssam * more than one MIC failure is noticed with the same 2028189251Ssam * PTK. We delay the transmission of the reports by a 2029189251Ssam * random time between 0 and 60 seconds in order to 2030189251Ssam * force the attacker wait 60 seconds before getting 2031189251Ssam * the information on whether a frame resulted in a MIC 2032189251Ssam * failure. 2033189251Ssam */ 2034189251Ssam u8 rval[4]; 2035189251Ssam int sec; 2036189251Ssam 2037189251Ssam if (os_get_random(rval, sizeof(rval)) < 0) 2038189251Ssam sec = os_random() % 60; 2039189251Ssam else 2040189251Ssam sec = WPA_GET_BE32(rval) % 60; 2041252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error " 2042252726Srpaulo "report %d seconds", sec); 2043189251Ssam wpa_s->pending_mic_error_report = 1; 2044189251Ssam wpa_s->pending_mic_error_pairwise = pairwise; 2045189251Ssam eloop_cancel_timeout( 2046189251Ssam wpa_supplicant_delayed_mic_error_report, 2047189251Ssam wpa_s, NULL); 2048189251Ssam eloop_register_timeout( 2049189251Ssam sec, os_random() % 1000000, 2050189251Ssam wpa_supplicant_delayed_mic_error_report, 2051189251Ssam wpa_s, NULL); 2052189251Ssam } else { 2053189251Ssam wpa_sm_key_request(wpa_s->wpa, 1, pairwise); 2054189251Ssam } 2055189251Ssam#else /* CONFIG_DELAYED_MIC_ERROR_REPORT */ 2056189251Ssam wpa_sm_key_request(wpa_s->wpa, 1, pairwise); 2057189251Ssam#endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */ 2058189251Ssam } 2059189251Ssam wpa_s->last_michael_mic_error = t.sec; 2060189251Ssam wpa_s->mic_errors_seen++; 2061189251Ssam} 2062189251Ssam 2063189251Ssam 2064189262Ssam#ifdef CONFIG_TERMINATE_ONLASTIF 2065189262Ssamstatic int any_interfaces(struct wpa_supplicant *head) 2066189262Ssam{ 2067189262Ssam struct wpa_supplicant *wpa_s; 2068189262Ssam 2069189262Ssam for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next) 2070189262Ssam if (!wpa_s->interface_removed) 2071189262Ssam return 1; 2072189262Ssam return 0; 2073189262Ssam} 2074189262Ssam#endif /* CONFIG_TERMINATE_ONLASTIF */ 2075189262Ssam 2076214734Srpaulo 2077189251Ssamstatic void 2078189251Ssamwpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s, 2079189251Ssam union wpa_event_data *data) 2080189251Ssam{ 2081189251Ssam if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0) 2082189251Ssam return; 2083189251Ssam 2084189251Ssam switch (data->interface_status.ievent) { 2085189251Ssam case EVENT_INTERFACE_ADDED: 2086189251Ssam if (!wpa_s->interface_removed) 2087189251Ssam break; 2088189251Ssam wpa_s->interface_removed = 0; 2089252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added"); 2090189251Ssam if (wpa_supplicant_driver_init(wpa_s) < 0) { 2091252726Srpaulo wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the " 2092252726Srpaulo "driver after interface was added"); 2093189251Ssam } 2094252726Srpaulo wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 2095189251Ssam break; 2096189251Ssam case EVENT_INTERFACE_REMOVED: 2097252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed"); 2098189251Ssam wpa_s->interface_removed = 1; 2099189251Ssam wpa_supplicant_mark_disassoc(wpa_s); 2100252726Srpaulo wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); 2101189251Ssam l2_packet_deinit(wpa_s->l2); 2102189251Ssam wpa_s->l2 = NULL; 2103252726Srpaulo#ifdef CONFIG_IBSS_RSN 2104252726Srpaulo ibss_rsn_deinit(wpa_s->ibss_rsn); 2105252726Srpaulo wpa_s->ibss_rsn = NULL; 2106252726Srpaulo#endif /* CONFIG_IBSS_RSN */ 2107189262Ssam#ifdef CONFIG_TERMINATE_ONLASTIF 2108189262Ssam /* check if last interface */ 2109189262Ssam if (!any_interfaces(wpa_s->global->ifaces)) 2110189262Ssam eloop_terminate(); 2111189262Ssam#endif /* CONFIG_TERMINATE_ONLASTIF */ 2112189251Ssam break; 2113189251Ssam } 2114189251Ssam} 2115189251Ssam 2116189251Ssam 2117189251Ssam#ifdef CONFIG_PEERKEY 2118189251Ssamstatic void 2119189251Ssamwpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s, 2120189251Ssam union wpa_event_data *data) 2121189251Ssam{ 2122189251Ssam if (data == NULL) 2123189251Ssam return; 2124189251Ssam wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer); 2125189251Ssam} 2126189251Ssam#endif /* CONFIG_PEERKEY */ 2127189251Ssam 2128189251Ssam 2129252726Srpaulo#ifdef CONFIG_TDLS 2130252726Srpaulostatic void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s, 2131252726Srpaulo union wpa_event_data *data) 2132252726Srpaulo{ 2133252726Srpaulo if (data == NULL) 2134252726Srpaulo return; 2135252726Srpaulo switch (data->tdls.oper) { 2136252726Srpaulo case TDLS_REQUEST_SETUP: 2137252726Srpaulo wpa_tdls_start(wpa_s->wpa, data->tdls.peer); 2138252726Srpaulo break; 2139252726Srpaulo case TDLS_REQUEST_TEARDOWN: 2140252726Srpaulo wpa_tdls_send_teardown(wpa_s->wpa, data->tdls.peer, 2141252726Srpaulo data->tdls.reason_code); 2142252726Srpaulo break; 2143252726Srpaulo } 2144252726Srpaulo} 2145252726Srpaulo#endif /* CONFIG_TDLS */ 2146252726Srpaulo 2147252726Srpaulo 2148252726Srpaulo#ifdef CONFIG_WNM 2149252726Srpaulostatic void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s, 2150252726Srpaulo union wpa_event_data *data) 2151252726Srpaulo{ 2152252726Srpaulo if (data == NULL) 2153252726Srpaulo return; 2154252726Srpaulo switch (data->wnm.oper) { 2155252726Srpaulo case WNM_OPER_SLEEP: 2156252726Srpaulo wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request " 2157252726Srpaulo "(action=%d, intval=%d)", 2158252726Srpaulo data->wnm.sleep_action, data->wnm.sleep_intval); 2159252726Srpaulo ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action, 2160252726Srpaulo data->wnm.sleep_intval, NULL); 2161252726Srpaulo break; 2162252726Srpaulo } 2163252726Srpaulo} 2164252726Srpaulo#endif /* CONFIG_WNM */ 2165252726Srpaulo 2166252726Srpaulo 2167189251Ssam#ifdef CONFIG_IEEE80211R 2168189251Ssamstatic void 2169189251Ssamwpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s, 2170189251Ssam union wpa_event_data *data) 2171189251Ssam{ 2172189251Ssam if (data == NULL) 2173189251Ssam return; 2174189251Ssam 2175189251Ssam if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies, 2176189251Ssam data->ft_ies.ies_len, 2177189251Ssam data->ft_ies.ft_action, 2178214734Srpaulo data->ft_ies.target_ap, 2179214734Srpaulo data->ft_ies.ric_ies, 2180214734Srpaulo data->ft_ies.ric_ies_len) < 0) { 2181189251Ssam /* TODO: prevent MLME/driver from trying to associate? */ 2182189251Ssam } 2183189251Ssam} 2184189251Ssam#endif /* CONFIG_IEEE80211R */ 2185189251Ssam 2186189251Ssam 2187214734Srpaulo#ifdef CONFIG_IBSS_RSN 2188214734Srpaulostatic void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s, 2189214734Srpaulo union wpa_event_data *data) 2190214734Srpaulo{ 2191252726Srpaulo struct wpa_ssid *ssid; 2192252726Srpaulo if (wpa_s->wpa_state < WPA_ASSOCIATED) 2193252726Srpaulo return; 2194214734Srpaulo if (data == NULL) 2195214734Srpaulo return; 2196252726Srpaulo ssid = wpa_s->current_ssid; 2197252726Srpaulo if (ssid == NULL) 2198252726Srpaulo return; 2199252726Srpaulo if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt)) 2200252726Srpaulo return; 2201252726Srpaulo 2202214734Srpaulo ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer); 2203214734Srpaulo} 2204214734Srpaulo#endif /* CONFIG_IBSS_RSN */ 2205214734Srpaulo 2206214734Srpaulo 2207214734Srpaulo#ifdef CONFIG_IEEE80211R 2208214734Srpaulostatic void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data, 2209214734Srpaulo size_t len) 2210214734Srpaulo{ 2211214734Srpaulo const u8 *sta_addr, *target_ap_addr; 2212214734Srpaulo u16 status; 2213214734Srpaulo 2214214734Srpaulo wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len); 2215214734Srpaulo if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) 2216214734Srpaulo return; /* only SME case supported for now */ 2217214734Srpaulo if (len < 1 + 2 * ETH_ALEN + 2) 2218214734Srpaulo return; 2219214734Srpaulo if (data[0] != 2) 2220214734Srpaulo return; /* Only FT Action Response is supported for now */ 2221214734Srpaulo sta_addr = data + 1; 2222214734Srpaulo target_ap_addr = data + 1 + ETH_ALEN; 2223214734Srpaulo status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN); 2224252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA " 2225252726Srpaulo MACSTR " TargetAP " MACSTR " status %u", 2226252726Srpaulo MAC2STR(sta_addr), MAC2STR(target_ap_addr), status); 2227214734Srpaulo 2228214734Srpaulo if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) { 2229252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR 2230252726Srpaulo " in FT Action Response", MAC2STR(sta_addr)); 2231214734Srpaulo return; 2232214734Srpaulo } 2233214734Srpaulo 2234214734Srpaulo if (status) { 2235252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates " 2236252726Srpaulo "failure (status code %d)", status); 2237214734Srpaulo /* TODO: report error to FT code(?) */ 2238214734Srpaulo return; 2239214734Srpaulo } 2240214734Srpaulo 2241214734Srpaulo if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2, 2242214734Srpaulo len - (1 + 2 * ETH_ALEN + 2), 1, 2243214734Srpaulo target_ap_addr, NULL, 0) < 0) 2244214734Srpaulo return; 2245214734Srpaulo 2246214734Srpaulo#ifdef CONFIG_SME 2247214734Srpaulo { 2248214734Srpaulo struct wpa_bss *bss; 2249214734Srpaulo bss = wpa_bss_get_bssid(wpa_s, target_ap_addr); 2250214734Srpaulo if (bss) 2251214734Srpaulo wpa_s->sme.freq = bss->freq; 2252214734Srpaulo wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT; 2253214734Srpaulo sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr, 2254214734Srpaulo WLAN_AUTH_FT); 2255214734Srpaulo } 2256214734Srpaulo#endif /* CONFIG_SME */ 2257214734Srpaulo} 2258214734Srpaulo#endif /* CONFIG_IEEE80211R */ 2259214734Srpaulo 2260214734Srpaulo 2261252726Srpaulostatic void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s, 2262252726Srpaulo struct unprot_deauth *e) 2263252726Srpaulo{ 2264252726Srpaulo#ifdef CONFIG_IEEE80211W 2265252726Srpaulo wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame " 2266252726Srpaulo "dropped: " MACSTR " -> " MACSTR 2267252726Srpaulo " (reason code %u)", 2268252726Srpaulo MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); 2269252726Srpaulo sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); 2270252726Srpaulo#endif /* CONFIG_IEEE80211W */ 2271252726Srpaulo} 2272252726Srpaulo 2273252726Srpaulo 2274252726Srpaulostatic void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s, 2275252726Srpaulo struct unprot_disassoc *e) 2276252726Srpaulo{ 2277252726Srpaulo#ifdef CONFIG_IEEE80211W 2278252726Srpaulo wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame " 2279252726Srpaulo "dropped: " MACSTR " -> " MACSTR 2280252726Srpaulo " (reason code %u)", 2281252726Srpaulo MAC2STR(e->sa), MAC2STR(e->da), e->reason_code); 2282252726Srpaulo sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code); 2283252726Srpaulo#endif /* CONFIG_IEEE80211W */ 2284252726Srpaulo} 2285252726Srpaulo 2286252726Srpaulo 2287214734Srpaulovoid wpa_supplicant_event(void *ctx, enum wpa_event_type event, 2288189251Ssam union wpa_event_data *data) 2289189251Ssam{ 2290189251Ssam struct wpa_supplicant *wpa_s = ctx; 2291214734Srpaulo u16 reason_code = 0; 2292252726Srpaulo int locally_generated = 0; 2293189251Ssam 2294252726Srpaulo if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED && 2295252726Srpaulo event != EVENT_INTERFACE_ENABLED && 2296252726Srpaulo event != EVENT_INTERFACE_STATUS && 2297252726Srpaulo event != EVENT_SCHED_SCAN_STOPPED) { 2298252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, 2299252726Srpaulo "Ignore event %s (%d) while interface is disabled", 2300252726Srpaulo event_to_string(event), event); 2301252726Srpaulo return; 2302252726Srpaulo } 2303252726Srpaulo 2304252726Srpaulo#ifndef CONFIG_NO_STDOUT_DEBUG 2305252726Srpaulo{ 2306252726Srpaulo int level = MSG_DEBUG; 2307252726Srpaulo 2308252726Srpaulo if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) { 2309252726Srpaulo const struct ieee80211_hdr *hdr; 2310252726Srpaulo u16 fc; 2311252726Srpaulo hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; 2312252726Srpaulo fc = le_to_host16(hdr->frame_control); 2313252726Srpaulo if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 2314252726Srpaulo WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 2315252726Srpaulo level = MSG_EXCESSIVE; 2316252726Srpaulo } 2317252726Srpaulo 2318252726Srpaulo wpa_dbg(wpa_s, level, "Event %s (%d) received", 2319252726Srpaulo event_to_string(event), event); 2320252726Srpaulo} 2321252726Srpaulo#endif /* CONFIG_NO_STDOUT_DEBUG */ 2322252726Srpaulo 2323189251Ssam switch (event) { 2324214734Srpaulo case EVENT_AUTH: 2325214734Srpaulo sme_event_auth(wpa_s, data); 2326214734Srpaulo break; 2327189251Ssam case EVENT_ASSOC: 2328189251Ssam wpa_supplicant_event_assoc(wpa_s, data); 2329189251Ssam break; 2330189251Ssam case EVENT_DISASSOC: 2331252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification"); 2332252726Srpaulo if (data) { 2333252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", 2334252726Srpaulo data->disassoc_info.reason_code, 2335252726Srpaulo data->disassoc_info.locally_generated ? 2336252726Srpaulo " (locally generated)" : ""); 2337252726Srpaulo if (data->disassoc_info.addr) 2338252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR, 2339252726Srpaulo MAC2STR(data->disassoc_info.addr)); 2340252726Srpaulo } 2341214734Srpaulo#ifdef CONFIG_AP 2342214734Srpaulo if (wpa_s->ap_iface && data && data->disassoc_info.addr) { 2343214734Srpaulo hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], 2344214734Srpaulo data->disassoc_info.addr); 2345214734Srpaulo break; 2346214734Srpaulo } 2347252726Srpaulo if (wpa_s->ap_iface) { 2348252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in " 2349252726Srpaulo "AP mode"); 2350252726Srpaulo break; 2351252726Srpaulo } 2352214734Srpaulo#endif /* CONFIG_AP */ 2353252726Srpaulo if (data) { 2354252726Srpaulo reason_code = data->disassoc_info.reason_code; 2355252726Srpaulo locally_generated = 2356252726Srpaulo data->disassoc_info.locally_generated; 2357252726Srpaulo wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)", 2358252726Srpaulo data->disassoc_info.ie, 2359252726Srpaulo data->disassoc_info.ie_len); 2360252726Srpaulo#ifdef CONFIG_P2P 2361252726Srpaulo wpas_p2p_disassoc_notif( 2362252726Srpaulo wpa_s, data->disassoc_info.addr, reason_code, 2363252726Srpaulo data->disassoc_info.ie, 2364252726Srpaulo data->disassoc_info.ie_len, 2365252726Srpaulo locally_generated); 2366252726Srpaulo#endif /* CONFIG_P2P */ 2367252726Srpaulo } 2368214734Srpaulo if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 2369214734Srpaulo sme_event_disassoc(wpa_s, data); 2370214734Srpaulo /* fall through */ 2371214734Srpaulo case EVENT_DEAUTH: 2372214734Srpaulo if (event == EVENT_DEAUTH) { 2373252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, 2374252726Srpaulo "Deauthentication notification"); 2375252726Srpaulo if (data) { 2376214734Srpaulo reason_code = data->deauth_info.reason_code; 2377252726Srpaulo locally_generated = 2378252726Srpaulo data->deauth_info.locally_generated; 2379252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", 2380252726Srpaulo data->deauth_info.reason_code, 2381252726Srpaulo data->deauth_info.locally_generated ? 2382252726Srpaulo " (locally generated)" : ""); 2383252726Srpaulo if (data->deauth_info.addr) { 2384252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, " * address " 2385252726Srpaulo MACSTR, 2386252726Srpaulo MAC2STR(data->deauth_info. 2387252726Srpaulo addr)); 2388252726Srpaulo } 2389252726Srpaulo wpa_hexdump(MSG_DEBUG, 2390252726Srpaulo "Deauthentication frame IE(s)", 2391252726Srpaulo data->deauth_info.ie, 2392252726Srpaulo data->deauth_info.ie_len); 2393252726Srpaulo } 2394214734Srpaulo } 2395214734Srpaulo#ifdef CONFIG_AP 2396214734Srpaulo if (wpa_s->ap_iface && data && data->deauth_info.addr) { 2397214734Srpaulo hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], 2398214734Srpaulo data->deauth_info.addr); 2399214734Srpaulo break; 2400214734Srpaulo } 2401252726Srpaulo if (wpa_s->ap_iface) { 2402252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in " 2403252726Srpaulo "AP mode"); 2404252726Srpaulo break; 2405252726Srpaulo } 2406214734Srpaulo#endif /* CONFIG_AP */ 2407252726Srpaulo wpa_supplicant_event_disassoc(wpa_s, reason_code, 2408252726Srpaulo locally_generated); 2409252726Srpaulo if (reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED || 2410252726Srpaulo ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) || 2411252726Srpaulo (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) && 2412252726Srpaulo eapol_sm_failed(wpa_s->eapol))) 2413252726Srpaulo wpas_auth_failed(wpa_s); 2414252726Srpaulo#ifdef CONFIG_P2P 2415252726Srpaulo if (event == EVENT_DEAUTH && data) { 2416252726Srpaulo if (wpas_p2p_deauth_notif(wpa_s, 2417252726Srpaulo data->deauth_info.addr, 2418252726Srpaulo reason_code, 2419252726Srpaulo data->deauth_info.ie, 2420252726Srpaulo data->deauth_info.ie_len, 2421252726Srpaulo locally_generated) > 0) { 2422252726Srpaulo /* 2423252726Srpaulo * The interface was removed, so cannot 2424252726Srpaulo * continue processing any additional 2425252726Srpaulo * operations after this. 2426252726Srpaulo */ 2427252726Srpaulo break; 2428252726Srpaulo } 2429252726Srpaulo } 2430252726Srpaulo#endif /* CONFIG_P2P */ 2431252726Srpaulo wpa_supplicant_event_disassoc_finish(wpa_s, reason_code, 2432252726Srpaulo locally_generated); 2433189251Ssam break; 2434189251Ssam case EVENT_MICHAEL_MIC_FAILURE: 2435189251Ssam wpa_supplicant_event_michael_mic_failure(wpa_s, data); 2436189251Ssam break; 2437189251Ssam#ifndef CONFIG_NO_SCAN_PROCESSING 2438189251Ssam case EVENT_SCAN_RESULTS: 2439214734Srpaulo wpa_supplicant_event_scan_results(wpa_s, data); 2440252726Srpaulo#ifdef CONFIG_P2P 2441252726Srpaulo if (wpa_s->global->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled && 2442252726Srpaulo wpa_s->global->p2p != NULL && 2443252726Srpaulo wpa_s->wpa_state != WPA_AUTHENTICATING && 2444252726Srpaulo wpa_s->wpa_state != WPA_ASSOCIATING) { 2445252726Srpaulo wpa_s->global->p2p_cb_on_scan_complete = 0; 2446252726Srpaulo if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) { 2447252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation " 2448252726Srpaulo "continued after scan result processing"); 2449252726Srpaulo } 2450252726Srpaulo } 2451252726Srpaulo#endif /* CONFIG_P2P */ 2452189251Ssam break; 2453189251Ssam#endif /* CONFIG_NO_SCAN_PROCESSING */ 2454189251Ssam case EVENT_ASSOCINFO: 2455189251Ssam wpa_supplicant_event_associnfo(wpa_s, data); 2456189251Ssam break; 2457189251Ssam case EVENT_INTERFACE_STATUS: 2458189251Ssam wpa_supplicant_event_interface_status(wpa_s, data); 2459189251Ssam break; 2460189251Ssam case EVENT_PMKID_CANDIDATE: 2461189251Ssam wpa_supplicant_event_pmkid_candidate(wpa_s, data); 2462189251Ssam break; 2463189251Ssam#ifdef CONFIG_PEERKEY 2464189251Ssam case EVENT_STKSTART: 2465189251Ssam wpa_supplicant_event_stkstart(wpa_s, data); 2466189251Ssam break; 2467189251Ssam#endif /* CONFIG_PEERKEY */ 2468252726Srpaulo#ifdef CONFIG_TDLS 2469252726Srpaulo case EVENT_TDLS: 2470252726Srpaulo wpa_supplicant_event_tdls(wpa_s, data); 2471252726Srpaulo break; 2472252726Srpaulo#endif /* CONFIG_TDLS */ 2473252726Srpaulo#ifdef CONFIG_WNM 2474252726Srpaulo case EVENT_WNM: 2475252726Srpaulo wpa_supplicant_event_wnm(wpa_s, data); 2476252726Srpaulo break; 2477252726Srpaulo#endif /* CONFIG_WNM */ 2478189251Ssam#ifdef CONFIG_IEEE80211R 2479189251Ssam case EVENT_FT_RESPONSE: 2480189251Ssam wpa_supplicant_event_ft_response(wpa_s, data); 2481189251Ssam break; 2482189251Ssam#endif /* CONFIG_IEEE80211R */ 2483214734Srpaulo#ifdef CONFIG_IBSS_RSN 2484214734Srpaulo case EVENT_IBSS_RSN_START: 2485214734Srpaulo wpa_supplicant_event_ibss_rsn_start(wpa_s, data); 2486214734Srpaulo break; 2487214734Srpaulo#endif /* CONFIG_IBSS_RSN */ 2488214734Srpaulo case EVENT_ASSOC_REJECT: 2489252726Srpaulo if (data->assoc_reject.bssid) 2490252726Srpaulo wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT 2491252726Srpaulo "bssid=" MACSTR " status_code=%u", 2492252726Srpaulo MAC2STR(data->assoc_reject.bssid), 2493252726Srpaulo data->assoc_reject.status_code); 2494252726Srpaulo else 2495252726Srpaulo wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT 2496252726Srpaulo "status_code=%u", 2497252726Srpaulo data->assoc_reject.status_code); 2498252726Srpaulo if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 2499252726Srpaulo sme_event_assoc_reject(wpa_s, data); 2500252726Srpaulo else { 2501252726Srpaulo const u8 *bssid = data->assoc_reject.bssid; 2502252726Srpaulo if (bssid == NULL || is_zero_ether_addr(bssid)) 2503252726Srpaulo bssid = wpa_s->pending_bssid; 2504252726Srpaulo wpas_connection_failed(wpa_s, bssid); 2505252726Srpaulo wpa_supplicant_mark_disassoc(wpa_s); 2506252726Srpaulo } 2507214734Srpaulo break; 2508214734Srpaulo case EVENT_AUTH_TIMED_OUT: 2509252726Srpaulo if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 2510252726Srpaulo sme_event_auth_timed_out(wpa_s, data); 2511214734Srpaulo break; 2512214734Srpaulo case EVENT_ASSOC_TIMED_OUT: 2513252726Srpaulo if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) 2514252726Srpaulo sme_event_assoc_timed_out(wpa_s, data); 2515214734Srpaulo break; 2516252726Srpaulo case EVENT_TX_STATUS: 2517252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR 2518252726Srpaulo " type=%d stype=%d", 2519252726Srpaulo MAC2STR(data->tx_status.dst), 2520252726Srpaulo data->tx_status.type, data->tx_status.stype); 2521214734Srpaulo#ifdef CONFIG_AP 2522252726Srpaulo if (wpa_s->ap_iface == NULL) { 2523252726Srpaulo#ifdef CONFIG_OFFCHANNEL 2524252726Srpaulo if (data->tx_status.type == WLAN_FC_TYPE_MGMT && 2525252726Srpaulo data->tx_status.stype == WLAN_FC_STYPE_ACTION) 2526252726Srpaulo offchannel_send_action_tx_status( 2527252726Srpaulo wpa_s, data->tx_status.dst, 2528252726Srpaulo data->tx_status.data, 2529252726Srpaulo data->tx_status.data_len, 2530252726Srpaulo data->tx_status.ack ? 2531252726Srpaulo OFFCHANNEL_SEND_ACTION_SUCCESS : 2532252726Srpaulo OFFCHANNEL_SEND_ACTION_NO_ACK); 2533252726Srpaulo#endif /* CONFIG_OFFCHANNEL */ 2534214734Srpaulo break; 2535252726Srpaulo } 2536252726Srpaulo#endif /* CONFIG_AP */ 2537252726Srpaulo#ifdef CONFIG_OFFCHANNEL 2538252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst=" 2539252726Srpaulo MACSTR, MAC2STR(wpa_s->parent->pending_action_dst)); 2540252726Srpaulo /* 2541252726Srpaulo * Catch TX status events for Action frames we sent via group 2542252726Srpaulo * interface in GO mode. 2543252726Srpaulo */ 2544252726Srpaulo if (data->tx_status.type == WLAN_FC_TYPE_MGMT && 2545252726Srpaulo data->tx_status.stype == WLAN_FC_STYPE_ACTION && 2546252726Srpaulo os_memcmp(wpa_s->parent->pending_action_dst, 2547252726Srpaulo data->tx_status.dst, ETH_ALEN) == 0) { 2548252726Srpaulo offchannel_send_action_tx_status( 2549252726Srpaulo wpa_s->parent, data->tx_status.dst, 2550252726Srpaulo data->tx_status.data, 2551252726Srpaulo data->tx_status.data_len, 2552252726Srpaulo data->tx_status.ack ? 2553252726Srpaulo OFFCHANNEL_SEND_ACTION_SUCCESS : 2554252726Srpaulo OFFCHANNEL_SEND_ACTION_NO_ACK); 2555252726Srpaulo break; 2556252726Srpaulo } 2557252726Srpaulo#endif /* CONFIG_OFFCHANNEL */ 2558252726Srpaulo#ifdef CONFIG_AP 2559214734Srpaulo switch (data->tx_status.type) { 2560214734Srpaulo case WLAN_FC_TYPE_MGMT: 2561214734Srpaulo ap_mgmt_tx_cb(wpa_s, data->tx_status.data, 2562214734Srpaulo data->tx_status.data_len, 2563214734Srpaulo data->tx_status.stype, 2564214734Srpaulo data->tx_status.ack); 2565214734Srpaulo break; 2566214734Srpaulo case WLAN_FC_TYPE_DATA: 2567214734Srpaulo ap_tx_status(wpa_s, data->tx_status.dst, 2568214734Srpaulo data->tx_status.data, 2569214734Srpaulo data->tx_status.data_len, 2570214734Srpaulo data->tx_status.ack); 2571214734Srpaulo break; 2572214734Srpaulo } 2573252726Srpaulo#endif /* CONFIG_AP */ 2574214734Srpaulo break; 2575252726Srpaulo#ifdef CONFIG_AP 2576252726Srpaulo case EVENT_EAPOL_TX_STATUS: 2577252726Srpaulo ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst, 2578252726Srpaulo data->eapol_tx_status.data, 2579252726Srpaulo data->eapol_tx_status.data_len, 2580252726Srpaulo data->eapol_tx_status.ack); 2581252726Srpaulo break; 2582252726Srpaulo case EVENT_DRIVER_CLIENT_POLL_OK: 2583252726Srpaulo ap_client_poll_ok(wpa_s, data->client_poll.addr); 2584252726Srpaulo break; 2585214734Srpaulo case EVENT_RX_FROM_UNKNOWN: 2586214734Srpaulo if (wpa_s->ap_iface == NULL) 2587214734Srpaulo break; 2588252726Srpaulo ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr, 2589252726Srpaulo data->rx_from_unknown.wds); 2590214734Srpaulo break; 2591252726Srpaulo case EVENT_CH_SWITCH: 2592252726Srpaulo if (!data) 2593214734Srpaulo break; 2594252726Srpaulo if (!wpa_s->ap_iface) { 2595252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "AP: Ignore channel switch " 2596252726Srpaulo "event in non-AP mode"); 2597252726Srpaulo break; 2598252726Srpaulo } 2599252726Srpaulo 2600252726Srpaulo#ifdef CONFIG_AP 2601252726Srpaulo wpas_ap_ch_switch(wpa_s, data->ch_switch.freq, 2602252726Srpaulo data->ch_switch.ht_enabled, 2603252726Srpaulo data->ch_switch.ch_offset); 2604252726Srpaulo#endif /* CONFIG_AP */ 2605252726Srpaulo break; 2606252726Srpaulo case EVENT_RX_MGMT: { 2607252726Srpaulo u16 fc, stype; 2608252726Srpaulo const struct ieee80211_mgmt *mgmt; 2609252726Srpaulo 2610252726Srpaulo mgmt = (const struct ieee80211_mgmt *) 2611252726Srpaulo data->rx_mgmt.frame; 2612252726Srpaulo fc = le_to_host16(mgmt->frame_control); 2613252726Srpaulo stype = WLAN_FC_GET_STYPE(fc); 2614252726Srpaulo 2615252726Srpaulo if (wpa_s->ap_iface == NULL) { 2616252726Srpaulo#ifdef CONFIG_P2P 2617252726Srpaulo if (stype == WLAN_FC_STYPE_PROBE_REQ && 2618252726Srpaulo data->rx_mgmt.frame_len > 24) { 2619252726Srpaulo const u8 *src = mgmt->sa; 2620252726Srpaulo const u8 *ie = mgmt->u.probe_req.variable; 2621252726Srpaulo size_t ie_len = data->rx_mgmt.frame_len - 2622252726Srpaulo (mgmt->u.probe_req.variable - 2623252726Srpaulo data->rx_mgmt.frame); 2624252726Srpaulo wpas_p2p_probe_req_rx( 2625252726Srpaulo wpa_s, src, mgmt->da, 2626252726Srpaulo mgmt->bssid, ie, ie_len, 2627252726Srpaulo data->rx_mgmt.ssi_signal); 2628252726Srpaulo break; 2629252726Srpaulo } 2630252726Srpaulo#endif /* CONFIG_P2P */ 2631252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received " 2632252726Srpaulo "management frame in non-AP mode"); 2633252726Srpaulo break; 2634252726Srpaulo } 2635252726Srpaulo 2636252726Srpaulo if (stype == WLAN_FC_STYPE_PROBE_REQ && 2637252726Srpaulo data->rx_mgmt.frame_len > 24) { 2638252726Srpaulo const u8 *ie = mgmt->u.probe_req.variable; 2639252726Srpaulo size_t ie_len = data->rx_mgmt.frame_len - 2640252726Srpaulo (mgmt->u.probe_req.variable - 2641252726Srpaulo data->rx_mgmt.frame); 2642252726Srpaulo 2643252726Srpaulo wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da, 2644252726Srpaulo mgmt->bssid, ie, ie_len, 2645252726Srpaulo data->rx_mgmt.ssi_signal); 2646252726Srpaulo } 2647252726Srpaulo 2648214734Srpaulo ap_mgmt_rx(wpa_s, &data->rx_mgmt); 2649214734Srpaulo break; 2650252726Srpaulo } 2651214734Srpaulo#endif /* CONFIG_AP */ 2652214734Srpaulo case EVENT_RX_ACTION: 2653252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR 2654252726Srpaulo " Category=%u DataLen=%d freq=%d MHz", 2655252726Srpaulo MAC2STR(data->rx_action.sa), 2656252726Srpaulo data->rx_action.category, (int) data->rx_action.len, 2657252726Srpaulo data->rx_action.freq); 2658214734Srpaulo#ifdef CONFIG_IEEE80211R 2659214734Srpaulo if (data->rx_action.category == WLAN_ACTION_FT) { 2660214734Srpaulo ft_rx_action(wpa_s, data->rx_action.data, 2661214734Srpaulo data->rx_action.len); 2662214734Srpaulo break; 2663214734Srpaulo } 2664214734Srpaulo#endif /* CONFIG_IEEE80211R */ 2665252726Srpaulo#ifdef CONFIG_IEEE80211W 2666252726Srpaulo#ifdef CONFIG_SME 2667252726Srpaulo if (data->rx_action.category == WLAN_ACTION_SA_QUERY) { 2668252726Srpaulo sme_sa_query_rx(wpa_s, data->rx_action.sa, 2669252726Srpaulo data->rx_action.data, 2670252726Srpaulo data->rx_action.len); 2671252726Srpaulo break; 2672252726Srpaulo } 2673252726Srpaulo#endif /* CONFIG_SME */ 2674252726Srpaulo#endif /* CONFIG_IEEE80211W */ 2675252726Srpaulo#ifdef CONFIG_WNM 2676252726Srpaulo if (data->rx_action.category == WLAN_ACTION_WNM) { 2677252726Srpaulo ieee802_11_rx_wnm_action(wpa_s, &data->rx_action); 2678252726Srpaulo break; 2679252726Srpaulo } 2680252726Srpaulo#endif /* CONFIG_WNM */ 2681252726Srpaulo#ifdef CONFIG_GAS 2682252726Srpaulo if (data->rx_action.category == WLAN_ACTION_PUBLIC && 2683252726Srpaulo gas_query_rx(wpa_s->gas, data->rx_action.da, 2684252726Srpaulo data->rx_action.sa, data->rx_action.bssid, 2685252726Srpaulo data->rx_action.data, data->rx_action.len, 2686252726Srpaulo data->rx_action.freq) == 0) 2687252726Srpaulo break; 2688252726Srpaulo#endif /* CONFIG_GAS */ 2689252726Srpaulo#ifdef CONFIG_TDLS 2690252726Srpaulo if (data->rx_action.category == WLAN_ACTION_PUBLIC && 2691252726Srpaulo data->rx_action.len >= 4 && 2692252726Srpaulo data->rx_action.data[0] == WLAN_TDLS_DISCOVERY_RESPONSE) { 2693252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "TDLS: Received Discovery " 2694252726Srpaulo "Response from " MACSTR, 2695252726Srpaulo MAC2STR(data->rx_action.sa)); 2696252726Srpaulo break; 2697252726Srpaulo } 2698252726Srpaulo#endif /* CONFIG_TDLS */ 2699252726Srpaulo#ifdef CONFIG_P2P 2700252726Srpaulo wpas_p2p_rx_action(wpa_s, data->rx_action.da, 2701252726Srpaulo data->rx_action.sa, 2702252726Srpaulo data->rx_action.bssid, 2703252726Srpaulo data->rx_action.category, 2704252726Srpaulo data->rx_action.data, 2705252726Srpaulo data->rx_action.len, data->rx_action.freq); 2706252726Srpaulo#endif /* CONFIG_P2P */ 2707214734Srpaulo break; 2708252726Srpaulo case EVENT_RX_PROBE_REQ: 2709252726Srpaulo if (data->rx_probe_req.sa == NULL || 2710252726Srpaulo data->rx_probe_req.ie == NULL) 2711252726Srpaulo break; 2712252726Srpaulo#ifdef CONFIG_AP 2713252726Srpaulo if (wpa_s->ap_iface) { 2714252726Srpaulo hostapd_probe_req_rx(wpa_s->ap_iface->bss[0], 2715252726Srpaulo data->rx_probe_req.sa, 2716252726Srpaulo data->rx_probe_req.da, 2717252726Srpaulo data->rx_probe_req.bssid, 2718252726Srpaulo data->rx_probe_req.ie, 2719252726Srpaulo data->rx_probe_req.ie_len, 2720252726Srpaulo data->rx_probe_req.ssi_signal); 2721252726Srpaulo break; 2722252726Srpaulo } 2723252726Srpaulo#endif /* CONFIG_AP */ 2724252726Srpaulo#ifdef CONFIG_P2P 2725252726Srpaulo wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa, 2726252726Srpaulo data->rx_probe_req.da, 2727252726Srpaulo data->rx_probe_req.bssid, 2728252726Srpaulo data->rx_probe_req.ie, 2729252726Srpaulo data->rx_probe_req.ie_len, 2730252726Srpaulo data->rx_probe_req.ssi_signal); 2731252726Srpaulo#endif /* CONFIG_P2P */ 2732214734Srpaulo break; 2733252726Srpaulo case EVENT_REMAIN_ON_CHANNEL: 2734252726Srpaulo#ifdef CONFIG_OFFCHANNEL 2735252726Srpaulo offchannel_remain_on_channel_cb( 2736252726Srpaulo wpa_s, data->remain_on_channel.freq, 2737252726Srpaulo data->remain_on_channel.duration); 2738252726Srpaulo#endif /* CONFIG_OFFCHANNEL */ 2739252726Srpaulo#ifdef CONFIG_P2P 2740252726Srpaulo wpas_p2p_remain_on_channel_cb( 2741252726Srpaulo wpa_s, data->remain_on_channel.freq, 2742252726Srpaulo data->remain_on_channel.duration); 2743252726Srpaulo#endif /* CONFIG_P2P */ 2744252726Srpaulo break; 2745252726Srpaulo case EVENT_CANCEL_REMAIN_ON_CHANNEL: 2746252726Srpaulo#ifdef CONFIG_OFFCHANNEL 2747252726Srpaulo offchannel_cancel_remain_on_channel_cb( 2748252726Srpaulo wpa_s, data->remain_on_channel.freq); 2749252726Srpaulo#endif /* CONFIG_OFFCHANNEL */ 2750252726Srpaulo#ifdef CONFIG_P2P 2751252726Srpaulo wpas_p2p_cancel_remain_on_channel_cb( 2752252726Srpaulo wpa_s, data->remain_on_channel.freq); 2753252726Srpaulo#endif /* CONFIG_P2P */ 2754252726Srpaulo break; 2755252726Srpaulo#ifdef CONFIG_P2P 2756252726Srpaulo case EVENT_P2P_DEV_FOUND: { 2757252726Srpaulo struct p2p_peer_info peer_info; 2758252726Srpaulo 2759252726Srpaulo os_memset(&peer_info, 0, sizeof(peer_info)); 2760252726Srpaulo if (data->p2p_dev_found.dev_addr) 2761252726Srpaulo os_memcpy(peer_info.p2p_device_addr, 2762252726Srpaulo data->p2p_dev_found.dev_addr, ETH_ALEN); 2763252726Srpaulo if (data->p2p_dev_found.pri_dev_type) 2764252726Srpaulo os_memcpy(peer_info.pri_dev_type, 2765252726Srpaulo data->p2p_dev_found.pri_dev_type, 2766252726Srpaulo sizeof(peer_info.pri_dev_type)); 2767252726Srpaulo if (data->p2p_dev_found.dev_name) 2768252726Srpaulo os_strlcpy(peer_info.device_name, 2769252726Srpaulo data->p2p_dev_found.dev_name, 2770252726Srpaulo sizeof(peer_info.device_name)); 2771252726Srpaulo peer_info.config_methods = data->p2p_dev_found.config_methods; 2772252726Srpaulo peer_info.dev_capab = data->p2p_dev_found.dev_capab; 2773252726Srpaulo peer_info.group_capab = data->p2p_dev_found.group_capab; 2774252726Srpaulo 2775252726Srpaulo /* 2776252726Srpaulo * FIX: new_device=1 is not necessarily correct. We should 2777252726Srpaulo * maintain a P2P peer database in wpa_supplicant and update 2778252726Srpaulo * this information based on whether the peer is truly new. 2779252726Srpaulo */ 2780252726Srpaulo wpas_dev_found(wpa_s, data->p2p_dev_found.addr, &peer_info, 1); 2781252726Srpaulo break; 2782252726Srpaulo } 2783252726Srpaulo case EVENT_P2P_GO_NEG_REQ_RX: 2784252726Srpaulo wpas_go_neg_req_rx(wpa_s, data->p2p_go_neg_req_rx.src, 2785252726Srpaulo data->p2p_go_neg_req_rx.dev_passwd_id); 2786252726Srpaulo break; 2787252726Srpaulo case EVENT_P2P_GO_NEG_COMPLETED: 2788252726Srpaulo wpas_go_neg_completed(wpa_s, data->p2p_go_neg_completed.res); 2789252726Srpaulo break; 2790252726Srpaulo case EVENT_P2P_PROV_DISC_REQUEST: 2791252726Srpaulo wpas_prov_disc_req(wpa_s, data->p2p_prov_disc_req.peer, 2792252726Srpaulo data->p2p_prov_disc_req.config_methods, 2793252726Srpaulo data->p2p_prov_disc_req.dev_addr, 2794252726Srpaulo data->p2p_prov_disc_req.pri_dev_type, 2795252726Srpaulo data->p2p_prov_disc_req.dev_name, 2796252726Srpaulo data->p2p_prov_disc_req.supp_config_methods, 2797252726Srpaulo data->p2p_prov_disc_req.dev_capab, 2798252726Srpaulo data->p2p_prov_disc_req.group_capab, 2799252726Srpaulo NULL, 0); 2800252726Srpaulo break; 2801252726Srpaulo case EVENT_P2P_PROV_DISC_RESPONSE: 2802252726Srpaulo wpas_prov_disc_resp(wpa_s, data->p2p_prov_disc_resp.peer, 2803252726Srpaulo data->p2p_prov_disc_resp.config_methods); 2804252726Srpaulo break; 2805252726Srpaulo case EVENT_P2P_SD_REQUEST: 2806252726Srpaulo wpas_sd_request(wpa_s, data->p2p_sd_req.freq, 2807252726Srpaulo data->p2p_sd_req.sa, 2808252726Srpaulo data->p2p_sd_req.dialog_token, 2809252726Srpaulo data->p2p_sd_req.update_indic, 2810252726Srpaulo data->p2p_sd_req.tlvs, 2811252726Srpaulo data->p2p_sd_req.tlvs_len); 2812252726Srpaulo break; 2813252726Srpaulo case EVENT_P2P_SD_RESPONSE: 2814252726Srpaulo wpas_sd_response(wpa_s, data->p2p_sd_resp.sa, 2815252726Srpaulo data->p2p_sd_resp.update_indic, 2816252726Srpaulo data->p2p_sd_resp.tlvs, 2817252726Srpaulo data->p2p_sd_resp.tlvs_len); 2818252726Srpaulo break; 2819252726Srpaulo#endif /* CONFIG_P2P */ 2820214734Srpaulo case EVENT_EAPOL_RX: 2821214734Srpaulo wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src, 2822214734Srpaulo data->eapol_rx.data, 2823214734Srpaulo data->eapol_rx.data_len); 2824214734Srpaulo break; 2825214734Srpaulo case EVENT_SIGNAL_CHANGE: 2826214734Srpaulo bgscan_notify_signal_change( 2827252726Srpaulo wpa_s, data->signal_change.above_threshold, 2828252726Srpaulo data->signal_change.current_signal, 2829252726Srpaulo data->signal_change.current_noise, 2830252726Srpaulo data->signal_change.current_txrate); 2831214734Srpaulo break; 2832252726Srpaulo case EVENT_INTERFACE_ENABLED: 2833252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled"); 2834252726Srpaulo if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) { 2835252726Srpaulo wpa_supplicant_update_mac_addr(wpa_s); 2836252726Srpaulo#ifdef CONFIG_AP 2837252726Srpaulo if (!wpa_s->ap_iface) { 2838252726Srpaulo wpa_supplicant_set_state(wpa_s, 2839252726Srpaulo WPA_DISCONNECTED); 2840252726Srpaulo wpa_supplicant_req_scan(wpa_s, 0, 0); 2841252726Srpaulo } else 2842252726Srpaulo wpa_supplicant_set_state(wpa_s, 2843252726Srpaulo WPA_COMPLETED); 2844252726Srpaulo#else /* CONFIG_AP */ 2845252726Srpaulo wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); 2846252726Srpaulo wpa_supplicant_req_scan(wpa_s, 0, 0); 2847252726Srpaulo#endif /* CONFIG_AP */ 2848252726Srpaulo } 2849252726Srpaulo break; 2850252726Srpaulo case EVENT_INTERFACE_DISABLED: 2851252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled"); 2852252726Srpaulo wpa_supplicant_mark_disassoc(wpa_s); 2853252726Srpaulo wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED); 2854252726Srpaulo break; 2855252726Srpaulo case EVENT_CHANNEL_LIST_CHANGED: 2856252726Srpaulo if (wpa_s->drv_priv == NULL) 2857252726Srpaulo break; /* Ignore event during drv initialization */ 2858252726Srpaulo 2859252726Srpaulo free_hw_features(wpa_s); 2860252726Srpaulo wpa_s->hw.modes = wpa_drv_get_hw_feature_data( 2861252726Srpaulo wpa_s, &wpa_s->hw.num_modes, &wpa_s->hw.flags); 2862252726Srpaulo 2863252726Srpaulo#ifdef CONFIG_P2P 2864252726Srpaulo wpas_p2p_update_channel_list(wpa_s); 2865252726Srpaulo#endif /* CONFIG_P2P */ 2866252726Srpaulo break; 2867252726Srpaulo case EVENT_INTERFACE_UNAVAILABLE: 2868252726Srpaulo#ifdef CONFIG_P2P 2869252726Srpaulo wpas_p2p_interface_unavailable(wpa_s); 2870252726Srpaulo#endif /* CONFIG_P2P */ 2871252726Srpaulo break; 2872252726Srpaulo case EVENT_BEST_CHANNEL: 2873252726Srpaulo wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received " 2874252726Srpaulo "(%d %d %d)", 2875252726Srpaulo data->best_chan.freq_24, data->best_chan.freq_5, 2876252726Srpaulo data->best_chan.freq_overall); 2877252726Srpaulo wpa_s->best_24_freq = data->best_chan.freq_24; 2878252726Srpaulo wpa_s->best_5_freq = data->best_chan.freq_5; 2879252726Srpaulo wpa_s->best_overall_freq = data->best_chan.freq_overall; 2880252726Srpaulo#ifdef CONFIG_P2P 2881252726Srpaulo wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24, 2882252726Srpaulo data->best_chan.freq_5, 2883252726Srpaulo data->best_chan.freq_overall); 2884252726Srpaulo#endif /* CONFIG_P2P */ 2885252726Srpaulo break; 2886252726Srpaulo case EVENT_UNPROT_DEAUTH: 2887252726Srpaulo wpa_supplicant_event_unprot_deauth(wpa_s, 2888252726Srpaulo &data->unprot_deauth); 2889252726Srpaulo break; 2890252726Srpaulo case EVENT_UNPROT_DISASSOC: 2891252726Srpaulo wpa_supplicant_event_unprot_disassoc(wpa_s, 2892252726Srpaulo &data->unprot_disassoc); 2893252726Srpaulo break; 2894252726Srpaulo case EVENT_STATION_LOW_ACK: 2895252726Srpaulo#ifdef CONFIG_AP 2896252726Srpaulo if (wpa_s->ap_iface && data) 2897252726Srpaulo hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0], 2898252726Srpaulo data->low_ack.addr); 2899252726Srpaulo#endif /* CONFIG_AP */ 2900252726Srpaulo#ifdef CONFIG_TDLS 2901252726Srpaulo if (data) 2902252726Srpaulo wpa_tdls_disable_link(wpa_s->wpa, data->low_ack.addr); 2903252726Srpaulo#endif /* CONFIG_TDLS */ 2904252726Srpaulo break; 2905252726Srpaulo case EVENT_IBSS_PEER_LOST: 2906252726Srpaulo#ifdef CONFIG_IBSS_RSN 2907252726Srpaulo ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer); 2908252726Srpaulo#endif /* CONFIG_IBSS_RSN */ 2909252726Srpaulo break; 2910252726Srpaulo case EVENT_DRIVER_GTK_REKEY: 2911252726Srpaulo if (os_memcmp(data->driver_gtk_rekey.bssid, 2912252726Srpaulo wpa_s->bssid, ETH_ALEN)) 2913252726Srpaulo break; 2914252726Srpaulo if (!wpa_s->wpa) 2915252726Srpaulo break; 2916252726Srpaulo wpa_sm_update_replay_ctr(wpa_s->wpa, 2917252726Srpaulo data->driver_gtk_rekey.replay_ctr); 2918252726Srpaulo break; 2919252726Srpaulo case EVENT_SCHED_SCAN_STOPPED: 2920252726Srpaulo wpa_s->sched_scanning = 0; 2921252726Srpaulo wpa_supplicant_notify_scanning(wpa_s, 0); 2922252726Srpaulo 2923252726Srpaulo if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) 2924252726Srpaulo break; 2925252726Srpaulo 2926252726Srpaulo /* 2927252726Srpaulo * If we timed out, start a new sched scan to continue 2928252726Srpaulo * searching for more SSIDs. 2929252726Srpaulo */ 2930252726Srpaulo if (wpa_s->sched_scan_timed_out) 2931252726Srpaulo wpa_supplicant_req_sched_scan(wpa_s); 2932252726Srpaulo break; 2933252726Srpaulo case EVENT_WPS_BUTTON_PUSHED: 2934252726Srpaulo#ifdef CONFIG_WPS 2935252726Srpaulo wpas_wps_start_pbc(wpa_s, NULL, 0); 2936252726Srpaulo#endif /* CONFIG_WPS */ 2937252726Srpaulo break; 2938189251Ssam default: 2939252726Srpaulo wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event); 2940189251Ssam break; 2941189251Ssam } 2942189251Ssam} 2943