1/* 2 * hostapd / WPA authenticator glue code 3 * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9#include "utils/includes.h" 10 11#include "utils/common.h" 12#include "common/ieee802_11_defs.h" 13#include "common/sae.h" 14#include "eapol_auth/eapol_auth_sm.h" 15#include "eapol_auth/eapol_auth_sm_i.h" 16#include "eap_server/eap.h" 17#include "l2_packet/l2_packet.h" 18#include "hostapd.h" 19#include "ieee802_1x.h" 20#include "preauth_auth.h" 21#include "sta_info.h" 22#include "tkip_countermeasures.h" 23#include "ap_drv_ops.h" 24#include "ap_config.h" 25#include "wpa_auth.h" 26#include "wpa_auth_glue.h" 27 28 29static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf, 30 struct hostapd_config *iconf, 31 struct wpa_auth_config *wconf) 32{ 33 os_memset(wconf, 0, sizeof(*wconf)); 34 wconf->wpa = conf->wpa; 35 wconf->wpa_key_mgmt = conf->wpa_key_mgmt; 36 wconf->wpa_pairwise = conf->wpa_pairwise; 37 wconf->wpa_group = conf->wpa_group; 38 wconf->wpa_group_rekey = conf->wpa_group_rekey; 39 wconf->wpa_strict_rekey = conf->wpa_strict_rekey; 40 wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey; 41 wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey; 42 wconf->rsn_pairwise = conf->rsn_pairwise; 43 wconf->rsn_preauth = conf->rsn_preauth; 44 wconf->eapol_version = conf->eapol_version; 45 wconf->peerkey = conf->peerkey; 46 wconf->wmm_enabled = conf->wmm_enabled; 47 wconf->wmm_uapsd = conf->wmm_uapsd; 48 wconf->disable_pmksa_caching = conf->disable_pmksa_caching; 49 wconf->okc = conf->okc; 50#ifdef CONFIG_IEEE80211W 51 wconf->ieee80211w = conf->ieee80211w; 52 wconf->group_mgmt_cipher = conf->group_mgmt_cipher; 53#endif /* CONFIG_IEEE80211W */ 54#ifdef CONFIG_IEEE80211R 55 wconf->ssid_len = conf->ssid.ssid_len; 56 if (wconf->ssid_len > SSID_LEN) 57 wconf->ssid_len = SSID_LEN; 58 os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len); 59 os_memcpy(wconf->mobility_domain, conf->mobility_domain, 60 MOBILITY_DOMAIN_ID_LEN); 61 if (conf->nas_identifier && 62 os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) { 63 wconf->r0_key_holder_len = os_strlen(conf->nas_identifier); 64 os_memcpy(wconf->r0_key_holder, conf->nas_identifier, 65 wconf->r0_key_holder_len); 66 } 67 os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN); 68 wconf->r0_key_lifetime = conf->r0_key_lifetime; 69 wconf->reassociation_deadline = conf->reassociation_deadline; 70 wconf->r0kh_list = conf->r0kh_list; 71 wconf->r1kh_list = conf->r1kh_list; 72 wconf->pmk_r1_push = conf->pmk_r1_push; 73 wconf->ft_over_ds = conf->ft_over_ds; 74#endif /* CONFIG_IEEE80211R */ 75#ifdef CONFIG_HS20 76 wconf->disable_gtk = conf->disable_dgaf; 77 if (conf->osen) { 78 wconf->disable_gtk = 1; 79 wconf->wpa = WPA_PROTO_OSEN; 80 wconf->wpa_key_mgmt = WPA_KEY_MGMT_OSEN; 81 wconf->wpa_pairwise = 0; 82 wconf->wpa_group = WPA_CIPHER_CCMP; 83 wconf->rsn_pairwise = WPA_CIPHER_CCMP; 84 wconf->rsn_preauth = 0; 85 wconf->disable_pmksa_caching = 1; 86#ifdef CONFIG_IEEE80211W 87 wconf->ieee80211w = 1; 88#endif /* CONFIG_IEEE80211W */ 89 } 90#endif /* CONFIG_HS20 */ 91#ifdef CONFIG_TESTING_OPTIONS 92 wconf->corrupt_gtk_rekey_mic_probability = 93 iconf->corrupt_gtk_rekey_mic_probability; 94#endif /* CONFIG_TESTING_OPTIONS */ 95#ifdef CONFIG_P2P 96 os_memcpy(wconf->ip_addr_go, conf->ip_addr_go, 4); 97 os_memcpy(wconf->ip_addr_mask, conf->ip_addr_mask, 4); 98 os_memcpy(wconf->ip_addr_start, conf->ip_addr_start, 4); 99 os_memcpy(wconf->ip_addr_end, conf->ip_addr_end, 4); 100#endif /* CONFIG_P2P */ 101} 102 103 104static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr, 105 logger_level level, const char *txt) 106{ 107#ifndef CONFIG_NO_HOSTAPD_LOGGER 108 struct hostapd_data *hapd = ctx; 109 int hlevel; 110 111 switch (level) { 112 case LOGGER_WARNING: 113 hlevel = HOSTAPD_LEVEL_WARNING; 114 break; 115 case LOGGER_INFO: 116 hlevel = HOSTAPD_LEVEL_INFO; 117 break; 118 case LOGGER_DEBUG: 119 default: 120 hlevel = HOSTAPD_LEVEL_DEBUG; 121 break; 122 } 123 124 hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt); 125#endif /* CONFIG_NO_HOSTAPD_LOGGER */ 126} 127 128 129static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr, 130 u16 reason) 131{ 132 struct hostapd_data *hapd = ctx; 133 wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: " 134 "STA " MACSTR " reason %d", 135 __func__, MAC2STR(addr), reason); 136 ap_sta_disconnect(hapd, NULL, addr, reason); 137} 138 139 140static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr) 141{ 142 struct hostapd_data *hapd = ctx; 143 return michael_mic_failure(hapd, addr, 0); 144} 145 146 147static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr, 148 wpa_eapol_variable var, int value) 149{ 150 struct hostapd_data *hapd = ctx; 151 struct sta_info *sta = ap_get_sta(hapd, addr); 152 if (sta == NULL) 153 return; 154 switch (var) { 155 case WPA_EAPOL_portEnabled: 156 ieee802_1x_notify_port_enabled(sta->eapol_sm, value); 157 break; 158 case WPA_EAPOL_portValid: 159 ieee802_1x_notify_port_valid(sta->eapol_sm, value); 160 break; 161 case WPA_EAPOL_authorized: 162 ieee802_1x_set_sta_authorized(hapd, sta, value); 163 break; 164 case WPA_EAPOL_portControl_Auto: 165 if (sta->eapol_sm) 166 sta->eapol_sm->portControl = Auto; 167 break; 168 case WPA_EAPOL_keyRun: 169 if (sta->eapol_sm) 170 sta->eapol_sm->keyRun = value ? TRUE : FALSE; 171 break; 172 case WPA_EAPOL_keyAvailable: 173 if (sta->eapol_sm) 174 sta->eapol_sm->eap_if->eapKeyAvailable = 175 value ? TRUE : FALSE; 176 break; 177 case WPA_EAPOL_keyDone: 178 if (sta->eapol_sm) 179 sta->eapol_sm->keyDone = value ? TRUE : FALSE; 180 break; 181 case WPA_EAPOL_inc_EapolFramesTx: 182 if (sta->eapol_sm) 183 sta->eapol_sm->dot1xAuthEapolFramesTx++; 184 break; 185 } 186} 187 188 189static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr, 190 wpa_eapol_variable var) 191{ 192 struct hostapd_data *hapd = ctx; 193 struct sta_info *sta = ap_get_sta(hapd, addr); 194 if (sta == NULL || sta->eapol_sm == NULL) 195 return -1; 196 switch (var) { 197 case WPA_EAPOL_keyRun: 198 return sta->eapol_sm->keyRun; 199 case WPA_EAPOL_keyAvailable: 200 return sta->eapol_sm->eap_if->eapKeyAvailable; 201 default: 202 return -1; 203 } 204} 205 206 207static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr, 208 const u8 *p2p_dev_addr, 209 const u8 *prev_psk) 210{ 211 struct hostapd_data *hapd = ctx; 212 struct sta_info *sta = ap_get_sta(hapd, addr); 213 const u8 *psk; 214 215#ifdef CONFIG_SAE 216 if (sta && sta->auth_alg == WLAN_AUTH_SAE) { 217 if (!sta->sae || prev_psk) 218 return NULL; 219 return sta->sae->pmk; 220 } 221#endif /* CONFIG_SAE */ 222 223 psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk); 224 /* 225 * This is about to iterate over all psks, prev_psk gives the last 226 * returned psk which should not be returned again. 227 * logic list (all hostapd_get_psk; all sta->psk) 228 */ 229 if (sta && sta->psk && !psk) { 230 struct hostapd_sta_wpa_psk_short *pos; 231 psk = sta->psk->psk; 232 for (pos = sta->psk; pos; pos = pos->next) { 233 if (pos->psk == prev_psk) { 234 psk = pos->next ? pos->next->psk : NULL; 235 break; 236 } 237 } 238 } 239 return psk; 240} 241 242 243static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk, 244 size_t *len) 245{ 246 struct hostapd_data *hapd = ctx; 247 const u8 *key; 248 size_t keylen; 249 struct sta_info *sta; 250 251 sta = ap_get_sta(hapd, addr); 252 if (sta == NULL) 253 return -1; 254 255 key = ieee802_1x_get_key(sta->eapol_sm, &keylen); 256 if (key == NULL) 257 return -1; 258 259 if (keylen > *len) 260 keylen = *len; 261 os_memcpy(msk, key, keylen); 262 *len = keylen; 263 264 return 0; 265} 266 267 268static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg, 269 const u8 *addr, int idx, u8 *key, 270 size_t key_len) 271{ 272 struct hostapd_data *hapd = ctx; 273 const char *ifname = hapd->conf->iface; 274 275 if (vlan_id > 0) { 276 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id); 277 if (ifname == NULL) 278 return -1; 279 } 280 281 return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, 1, NULL, 0, 282 key, key_len); 283} 284 285 286static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx, 287 u8 *seq) 288{ 289 struct hostapd_data *hapd = ctx; 290 return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq); 291} 292 293 294static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr, 295 const u8 *data, size_t data_len, 296 int encrypt) 297{ 298 struct hostapd_data *hapd = ctx; 299 struct sta_info *sta; 300 u32 flags = 0; 301 302 sta = ap_get_sta(hapd, addr); 303 if (sta) 304 flags = hostapd_sta_flags_to_drv(sta->flags); 305 306 return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len, 307 encrypt, flags); 308} 309 310 311static int hostapd_wpa_auth_for_each_sta( 312 void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx), 313 void *cb_ctx) 314{ 315 struct hostapd_data *hapd = ctx; 316 struct sta_info *sta; 317 318 for (sta = hapd->sta_list; sta; sta = sta->next) { 319 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx)) 320 return 1; 321 } 322 return 0; 323} 324 325 326struct wpa_auth_iface_iter_data { 327 int (*cb)(struct wpa_authenticator *sm, void *ctx); 328 void *cb_ctx; 329}; 330 331static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx) 332{ 333 struct wpa_auth_iface_iter_data *data = ctx; 334 size_t i; 335 for (i = 0; i < iface->num_bss; i++) { 336 if (iface->bss[i]->wpa_auth && 337 data->cb(iface->bss[i]->wpa_auth, data->cb_ctx)) 338 return 1; 339 } 340 return 0; 341} 342 343 344static int hostapd_wpa_auth_for_each_auth( 345 void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx), 346 void *cb_ctx) 347{ 348 struct hostapd_data *hapd = ctx; 349 struct wpa_auth_iface_iter_data data; 350 if (hapd->iface->interfaces == NULL || 351 hapd->iface->interfaces->for_each_interface == NULL) 352 return -1; 353 data.cb = cb; 354 data.cb_ctx = cb_ctx; 355 return hapd->iface->interfaces->for_each_interface( 356 hapd->iface->interfaces, wpa_auth_iface_iter, &data); 357} 358 359 360#ifdef CONFIG_IEEE80211R 361 362struct wpa_auth_ft_iface_iter_data { 363 struct hostapd_data *src_hapd; 364 const u8 *dst; 365 const u8 *data; 366 size_t data_len; 367}; 368 369 370static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx) 371{ 372 struct wpa_auth_ft_iface_iter_data *idata = ctx; 373 struct hostapd_data *hapd; 374 size_t j; 375 376 for (j = 0; j < iface->num_bss; j++) { 377 hapd = iface->bss[j]; 378 if (hapd == idata->src_hapd) 379 continue; 380 if (os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) == 0) { 381 wpa_printf(MSG_DEBUG, "FT: Send RRB data directly to " 382 "locally managed BSS " MACSTR "@%s -> " 383 MACSTR "@%s", 384 MAC2STR(idata->src_hapd->own_addr), 385 idata->src_hapd->conf->iface, 386 MAC2STR(hapd->own_addr), hapd->conf->iface); 387 wpa_ft_rrb_rx(hapd->wpa_auth, 388 idata->src_hapd->own_addr, 389 idata->data, idata->data_len); 390 return 1; 391 } 392 } 393 394 return 0; 395} 396 397#endif /* CONFIG_IEEE80211R */ 398 399 400static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto, 401 const u8 *data, size_t data_len) 402{ 403 struct hostapd_data *hapd = ctx; 404 struct l2_ethhdr *buf; 405 int ret; 406 407#ifdef CONFIG_IEEE80211R 408 if (proto == ETH_P_RRB && hapd->iface->interfaces && 409 hapd->iface->interfaces->for_each_interface) { 410 int res; 411 struct wpa_auth_ft_iface_iter_data idata; 412 idata.src_hapd = hapd; 413 idata.dst = dst; 414 idata.data = data; 415 idata.data_len = data_len; 416 res = hapd->iface->interfaces->for_each_interface( 417 hapd->iface->interfaces, hostapd_wpa_auth_ft_iter, 418 &idata); 419 if (res == 1) 420 return data_len; 421 } 422#endif /* CONFIG_IEEE80211R */ 423 424 if (hapd->driver && hapd->driver->send_ether) 425 return hapd->driver->send_ether(hapd->drv_priv, dst, 426 hapd->own_addr, proto, 427 data, data_len); 428 if (hapd->l2 == NULL) 429 return -1; 430 431 buf = os_malloc(sizeof(*buf) + data_len); 432 if (buf == NULL) 433 return -1; 434 os_memcpy(buf->h_dest, dst, ETH_ALEN); 435 os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN); 436 buf->h_proto = host_to_be16(proto); 437 os_memcpy(buf + 1, data, data_len); 438 ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf, 439 sizeof(*buf) + data_len); 440 os_free(buf); 441 return ret; 442} 443 444 445#ifdef CONFIG_IEEE80211R 446 447static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst, 448 const u8 *data, size_t data_len) 449{ 450 struct hostapd_data *hapd = ctx; 451 int res; 452 struct ieee80211_mgmt *m; 453 size_t mlen; 454 struct sta_info *sta; 455 456 sta = ap_get_sta(hapd, dst); 457 if (sta == NULL || sta->wpa_sm == NULL) 458 return -1; 459 460 m = os_zalloc(sizeof(*m) + data_len); 461 if (m == NULL) 462 return -1; 463 mlen = ((u8 *) &m->u - (u8 *) m) + data_len; 464 m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 465 WLAN_FC_STYPE_ACTION); 466 os_memcpy(m->da, dst, ETH_ALEN); 467 os_memcpy(m->sa, hapd->own_addr, ETH_ALEN); 468 os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN); 469 os_memcpy(&m->u, data, data_len); 470 471 res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0); 472 os_free(m); 473 return res; 474} 475 476 477static struct wpa_state_machine * 478hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr) 479{ 480 struct hostapd_data *hapd = ctx; 481 struct sta_info *sta; 482 483 if (hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT) < 0) 484 return NULL; 485 486 sta = ap_sta_add(hapd, sta_addr); 487 if (sta == NULL) 488 return NULL; 489 if (sta->wpa_sm) { 490 sta->auth_alg = WLAN_AUTH_FT; 491 return sta->wpa_sm; 492 } 493 494 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL); 495 if (sta->wpa_sm == NULL) { 496 ap_free_sta(hapd, sta); 497 return NULL; 498 } 499 sta->auth_alg = WLAN_AUTH_FT; 500 501 return sta->wpa_sm; 502} 503 504 505static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf, 506 size_t len) 507{ 508 struct hostapd_data *hapd = ctx; 509 struct l2_ethhdr *ethhdr; 510 if (len < sizeof(*ethhdr)) 511 return; 512 ethhdr = (struct l2_ethhdr *) buf; 513 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> " 514 MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest)); 515 wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr), 516 len - sizeof(*ethhdr)); 517} 518 519 520static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr, 521 u8 *tspec_ie, size_t tspec_ielen) 522{ 523 struct hostapd_data *hapd = ctx; 524 return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen); 525} 526 527#endif /* CONFIG_IEEE80211R */ 528 529 530int hostapd_setup_wpa(struct hostapd_data *hapd) 531{ 532 struct wpa_auth_config _conf; 533 struct wpa_auth_callbacks cb; 534 const u8 *wpa_ie; 535 size_t wpa_ie_len; 536 537 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &_conf); 538 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS) 539 _conf.tx_status = 1; 540 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME) 541 _conf.ap_mlme = 1; 542 os_memset(&cb, 0, sizeof(cb)); 543 cb.ctx = hapd; 544 cb.logger = hostapd_wpa_auth_logger; 545 cb.disconnect = hostapd_wpa_auth_disconnect; 546 cb.mic_failure_report = hostapd_wpa_auth_mic_failure_report; 547 cb.set_eapol = hostapd_wpa_auth_set_eapol; 548 cb.get_eapol = hostapd_wpa_auth_get_eapol; 549 cb.get_psk = hostapd_wpa_auth_get_psk; 550 cb.get_msk = hostapd_wpa_auth_get_msk; 551 cb.set_key = hostapd_wpa_auth_set_key; 552 cb.get_seqnum = hostapd_wpa_auth_get_seqnum; 553 cb.send_eapol = hostapd_wpa_auth_send_eapol; 554 cb.for_each_sta = hostapd_wpa_auth_for_each_sta; 555 cb.for_each_auth = hostapd_wpa_auth_for_each_auth; 556 cb.send_ether = hostapd_wpa_auth_send_ether; 557#ifdef CONFIG_IEEE80211R 558 cb.send_ft_action = hostapd_wpa_auth_send_ft_action; 559 cb.add_sta = hostapd_wpa_auth_add_sta; 560 cb.add_tspec = hostapd_wpa_auth_add_tspec; 561#endif /* CONFIG_IEEE80211R */ 562 hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb); 563 if (hapd->wpa_auth == NULL) { 564 wpa_printf(MSG_ERROR, "WPA initialization failed."); 565 return -1; 566 } 567 568 if (hostapd_set_privacy(hapd, 1)) { 569 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked " 570 "for interface %s", hapd->conf->iface); 571 return -1; 572 } 573 574 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len); 575 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) { 576 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for " 577 "the kernel driver."); 578 return -1; 579 } 580 581 if (rsn_preauth_iface_init(hapd)) { 582 wpa_printf(MSG_ERROR, "Initialization of RSN " 583 "pre-authentication failed."); 584 return -1; 585 } 586 587#ifdef CONFIG_IEEE80211R 588 if (!hostapd_drv_none(hapd)) { 589 hapd->l2 = l2_packet_init(hapd->conf->bridge[0] ? 590 hapd->conf->bridge : 591 hapd->conf->iface, NULL, ETH_P_RRB, 592 hostapd_rrb_receive, hapd, 1); 593 if (hapd->l2 == NULL && 594 (hapd->driver == NULL || 595 hapd->driver->send_ether == NULL)) { 596 wpa_printf(MSG_ERROR, "Failed to open l2_packet " 597 "interface"); 598 return -1; 599 } 600 } 601#endif /* CONFIG_IEEE80211R */ 602 603 return 0; 604 605} 606 607 608void hostapd_reconfig_wpa(struct hostapd_data *hapd) 609{ 610 struct wpa_auth_config wpa_auth_conf; 611 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &wpa_auth_conf); 612 wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf); 613} 614 615 616void hostapd_deinit_wpa(struct hostapd_data *hapd) 617{ 618 ieee80211_tkip_countermeasures_deinit(hapd); 619 rsn_preauth_iface_deinit(hapd); 620 if (hapd->wpa_auth) { 621 wpa_deinit(hapd->wpa_auth); 622 hapd->wpa_auth = NULL; 623 624 if (hostapd_set_privacy(hapd, 0)) { 625 wpa_printf(MSG_DEBUG, "Could not disable " 626 "PrivacyInvoked for interface %s", 627 hapd->conf->iface); 628 } 629 630 if (hostapd_set_generic_elem(hapd, (u8 *) "", 0)) { 631 wpa_printf(MSG_DEBUG, "Could not remove generic " 632 "information element from interface %s", 633 hapd->conf->iface); 634 } 635 } 636 ieee802_1x_deinit(hapd); 637 638#ifdef CONFIG_IEEE80211R 639 l2_packet_deinit(hapd->l2); 640 hapd->l2 = NULL; 641#endif /* CONFIG_IEEE80211R */ 642} 643