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 "utils/eloop.h" 13#include "utils/list.h" 14#include "common/ieee802_11_defs.h" 15#include "common/sae.h" 16#include "common/wpa_ctrl.h" 17#include "crypto/sha1.h" 18#include "eapol_auth/eapol_auth_sm.h" 19#include "eapol_auth/eapol_auth_sm_i.h" 20#include "eap_server/eap.h" 21#include "l2_packet/l2_packet.h" 22#include "eth_p_oui.h" 23#include "hostapd.h" 24#include "ieee802_1x.h" 25#include "preauth_auth.h" 26#include "sta_info.h" 27#include "tkip_countermeasures.h" 28#include "ap_drv_ops.h" 29#include "ap_config.h" 30#include "ieee802_11.h" 31#include "pmksa_cache_auth.h" 32#include "wpa_auth.h" 33#include "wpa_auth_glue.h" 34 35 36static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf, 37 struct hostapd_config *iconf, 38 struct wpa_auth_config *wconf) 39{ 40 os_memset(wconf, 0, sizeof(*wconf)); 41 wconf->wpa = conf->wpa; 42 wconf->wpa_key_mgmt = conf->wpa_key_mgmt; 43 wconf->wpa_pairwise = conf->wpa_pairwise; 44 wconf->wpa_group = conf->wpa_group; 45 wconf->wpa_group_rekey = conf->wpa_group_rekey; 46 wconf->wpa_strict_rekey = conf->wpa_strict_rekey; 47 wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey; 48 wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey; 49 wconf->wpa_group_update_count = conf->wpa_group_update_count; 50 wconf->wpa_disable_eapol_key_retries = 51 conf->wpa_disable_eapol_key_retries; 52 wconf->wpa_pairwise_update_count = conf->wpa_pairwise_update_count; 53 wconf->rsn_pairwise = conf->rsn_pairwise; 54 wconf->rsn_preauth = conf->rsn_preauth; 55 wconf->eapol_version = conf->eapol_version; 56#ifdef CONFIG_MACSEC 57 if (wconf->eapol_version > 2) 58 wconf->eapol_version = 2; 59#endif /* CONFIG_MACSEC */ 60 wconf->wmm_enabled = conf->wmm_enabled; 61 wconf->wmm_uapsd = conf->wmm_uapsd; 62 wconf->disable_pmksa_caching = conf->disable_pmksa_caching; 63#ifdef CONFIG_OCV 64 wconf->ocv = conf->ocv; 65#endif /* CONFIG_OCV */ 66 wconf->okc = conf->okc; 67#ifdef CONFIG_IEEE80211W 68 wconf->ieee80211w = conf->ieee80211w; 69 wconf->group_mgmt_cipher = conf->group_mgmt_cipher; 70 wconf->sae_require_mfp = conf->sae_require_mfp; 71#endif /* CONFIG_IEEE80211W */ 72#ifdef CONFIG_IEEE80211R_AP 73 wconf->ssid_len = conf->ssid.ssid_len; 74 if (wconf->ssid_len > SSID_MAX_LEN) 75 wconf->ssid_len = SSID_MAX_LEN; 76 os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len); 77 os_memcpy(wconf->mobility_domain, conf->mobility_domain, 78 MOBILITY_DOMAIN_ID_LEN); 79 if (conf->nas_identifier && 80 os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) { 81 wconf->r0_key_holder_len = os_strlen(conf->nas_identifier); 82 os_memcpy(wconf->r0_key_holder, conf->nas_identifier, 83 wconf->r0_key_holder_len); 84 } 85 os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN); 86 wconf->r0_key_lifetime = conf->r0_key_lifetime; 87 wconf->r1_max_key_lifetime = conf->r1_max_key_lifetime; 88 wconf->reassociation_deadline = conf->reassociation_deadline; 89 wconf->rkh_pos_timeout = conf->rkh_pos_timeout; 90 wconf->rkh_neg_timeout = conf->rkh_neg_timeout; 91 wconf->rkh_pull_timeout = conf->rkh_pull_timeout; 92 wconf->rkh_pull_retries = conf->rkh_pull_retries; 93 wconf->r0kh_list = &conf->r0kh_list; 94 wconf->r1kh_list = &conf->r1kh_list; 95 wconf->pmk_r1_push = conf->pmk_r1_push; 96 wconf->ft_over_ds = conf->ft_over_ds; 97 wconf->ft_psk_generate_local = conf->ft_psk_generate_local; 98#endif /* CONFIG_IEEE80211R_AP */ 99#ifdef CONFIG_HS20 100 wconf->disable_gtk = conf->disable_dgaf; 101 if (conf->osen) { 102 wconf->disable_gtk = 1; 103 wconf->wpa = WPA_PROTO_OSEN; 104 wconf->wpa_key_mgmt = WPA_KEY_MGMT_OSEN; 105 wconf->wpa_pairwise = 0; 106 wconf->wpa_group = WPA_CIPHER_CCMP; 107 wconf->rsn_pairwise = WPA_CIPHER_CCMP; 108 wconf->rsn_preauth = 0; 109 wconf->disable_pmksa_caching = 1; 110#ifdef CONFIG_IEEE80211W 111 wconf->ieee80211w = 1; 112#endif /* CONFIG_IEEE80211W */ 113 } 114#endif /* CONFIG_HS20 */ 115#ifdef CONFIG_TESTING_OPTIONS 116 wconf->corrupt_gtk_rekey_mic_probability = 117 iconf->corrupt_gtk_rekey_mic_probability; 118 if (conf->own_ie_override && 119 wpabuf_len(conf->own_ie_override) <= MAX_OWN_IE_OVERRIDE) { 120 wconf->own_ie_override_len = wpabuf_len(conf->own_ie_override); 121 os_memcpy(wconf->own_ie_override, 122 wpabuf_head(conf->own_ie_override), 123 wconf->own_ie_override_len); 124 } 125#endif /* CONFIG_TESTING_OPTIONS */ 126#ifdef CONFIG_P2P 127 os_memcpy(wconf->ip_addr_go, conf->ip_addr_go, 4); 128 os_memcpy(wconf->ip_addr_mask, conf->ip_addr_mask, 4); 129 os_memcpy(wconf->ip_addr_start, conf->ip_addr_start, 4); 130 os_memcpy(wconf->ip_addr_end, conf->ip_addr_end, 4); 131#endif /* CONFIG_P2P */ 132#ifdef CONFIG_FILS 133 wconf->fils_cache_id_set = conf->fils_cache_id_set; 134 os_memcpy(wconf->fils_cache_id, conf->fils_cache_id, 135 FILS_CACHE_ID_LEN); 136#endif /* CONFIG_FILS */ 137} 138 139 140static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr, 141 logger_level level, const char *txt) 142{ 143#ifndef CONFIG_NO_HOSTAPD_LOGGER 144 struct hostapd_data *hapd = ctx; 145 int hlevel; 146 147 switch (level) { 148 case LOGGER_WARNING: 149 hlevel = HOSTAPD_LEVEL_WARNING; 150 break; 151 case LOGGER_INFO: 152 hlevel = HOSTAPD_LEVEL_INFO; 153 break; 154 case LOGGER_DEBUG: 155 default: 156 hlevel = HOSTAPD_LEVEL_DEBUG; 157 break; 158 } 159 160 hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt); 161#endif /* CONFIG_NO_HOSTAPD_LOGGER */ 162} 163 164 165static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr, 166 u16 reason) 167{ 168 struct hostapd_data *hapd = ctx; 169 wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: " 170 "STA " MACSTR " reason %d", 171 __func__, MAC2STR(addr), reason); 172 ap_sta_disconnect(hapd, NULL, addr, reason); 173} 174 175 176static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr) 177{ 178 struct hostapd_data *hapd = ctx; 179 return michael_mic_failure(hapd, addr, 0); 180} 181 182 183static void hostapd_wpa_auth_psk_failure_report(void *ctx, const u8 *addr) 184{ 185 struct hostapd_data *hapd = ctx; 186 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_POSSIBLE_PSK_MISMATCH MACSTR, 187 MAC2STR(addr)); 188} 189 190 191static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr, 192 wpa_eapol_variable var, int value) 193{ 194 struct hostapd_data *hapd = ctx; 195 struct sta_info *sta = ap_get_sta(hapd, addr); 196 if (sta == NULL) 197 return; 198 switch (var) { 199 case WPA_EAPOL_portEnabled: 200 ieee802_1x_notify_port_enabled(sta->eapol_sm, value); 201 break; 202 case WPA_EAPOL_portValid: 203 ieee802_1x_notify_port_valid(sta->eapol_sm, value); 204 break; 205 case WPA_EAPOL_authorized: 206 ieee802_1x_set_sta_authorized(hapd, sta, value); 207 break; 208 case WPA_EAPOL_portControl_Auto: 209 if (sta->eapol_sm) 210 sta->eapol_sm->portControl = Auto; 211 break; 212 case WPA_EAPOL_keyRun: 213 if (sta->eapol_sm) 214 sta->eapol_sm->keyRun = value ? TRUE : FALSE; 215 break; 216 case WPA_EAPOL_keyAvailable: 217 if (sta->eapol_sm) 218 sta->eapol_sm->eap_if->eapKeyAvailable = 219 value ? TRUE : FALSE; 220 break; 221 case WPA_EAPOL_keyDone: 222 if (sta->eapol_sm) 223 sta->eapol_sm->keyDone = value ? TRUE : FALSE; 224 break; 225 case WPA_EAPOL_inc_EapolFramesTx: 226 if (sta->eapol_sm) 227 sta->eapol_sm->dot1xAuthEapolFramesTx++; 228 break; 229 } 230} 231 232 233static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr, 234 wpa_eapol_variable var) 235{ 236 struct hostapd_data *hapd = ctx; 237 struct sta_info *sta = ap_get_sta(hapd, addr); 238 if (sta == NULL || sta->eapol_sm == NULL) 239 return -1; 240 switch (var) { 241 case WPA_EAPOL_keyRun: 242 return sta->eapol_sm->keyRun; 243 case WPA_EAPOL_keyAvailable: 244 return sta->eapol_sm->eap_if->eapKeyAvailable; 245 default: 246 return -1; 247 } 248} 249 250 251static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr, 252 const u8 *p2p_dev_addr, 253 const u8 *prev_psk, size_t *psk_len, 254 int *vlan_id) 255{ 256 struct hostapd_data *hapd = ctx; 257 struct sta_info *sta = ap_get_sta(hapd, addr); 258 const u8 *psk; 259 260 if (vlan_id) 261 *vlan_id = 0; 262 if (psk_len) 263 *psk_len = PMK_LEN; 264 265#ifdef CONFIG_SAE 266 if (sta && sta->auth_alg == WLAN_AUTH_SAE) { 267 if (!sta->sae || prev_psk) 268 return NULL; 269 return sta->sae->pmk; 270 } 271 if (sta && wpa_auth_uses_sae(sta->wpa_sm)) { 272 wpa_printf(MSG_DEBUG, 273 "No PSK for STA trying to use SAE with PMKSA caching"); 274 return NULL; 275 } 276#endif /* CONFIG_SAE */ 277 278#ifdef CONFIG_OWE 279 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) && 280 sta && sta->owe_pmk) { 281 if (psk_len) 282 *psk_len = sta->owe_pmk_len; 283 return sta->owe_pmk; 284 } 285 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) && sta) { 286 struct rsn_pmksa_cache_entry *sa; 287 288 sa = wpa_auth_sta_get_pmksa(sta->wpa_sm); 289 if (sa && sa->akmp == WPA_KEY_MGMT_OWE) { 290 if (psk_len) 291 *psk_len = sa->pmk_len; 292 return sa->pmk; 293 } 294 } 295#endif /* CONFIG_OWE */ 296 297 psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk, 298 vlan_id); 299 /* 300 * This is about to iterate over all psks, prev_psk gives the last 301 * returned psk which should not be returned again. 302 * logic list (all hostapd_get_psk; all sta->psk) 303 */ 304 if (sta && sta->psk && !psk) { 305 struct hostapd_sta_wpa_psk_short *pos; 306 307 if (vlan_id) 308 *vlan_id = 0; 309 psk = sta->psk->psk; 310 for (pos = sta->psk; pos; pos = pos->next) { 311 if (pos->is_passphrase) { 312 pbkdf2_sha1(pos->passphrase, 313 hapd->conf->ssid.ssid, 314 hapd->conf->ssid.ssid_len, 4096, 315 pos->psk, PMK_LEN); 316 pos->is_passphrase = 0; 317 } 318 if (pos->psk == prev_psk) { 319 psk = pos->next ? pos->next->psk : NULL; 320 break; 321 } 322 } 323 } 324 return psk; 325} 326 327 328static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk, 329 size_t *len) 330{ 331 struct hostapd_data *hapd = ctx; 332 const u8 *key; 333 size_t keylen; 334 struct sta_info *sta; 335 336 sta = ap_get_sta(hapd, addr); 337 if (sta == NULL) { 338 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Cannot find STA"); 339 return -1; 340 } 341 342 key = ieee802_1x_get_key(sta->eapol_sm, &keylen); 343 if (key == NULL) { 344 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Key is null, eapol_sm: %p", 345 sta->eapol_sm); 346 return -1; 347 } 348 349 if (keylen > *len) 350 keylen = *len; 351 os_memcpy(msk, key, keylen); 352 *len = keylen; 353 354 return 0; 355} 356 357 358static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg, 359 const u8 *addr, int idx, u8 *key, 360 size_t key_len) 361{ 362 struct hostapd_data *hapd = ctx; 363 const char *ifname = hapd->conf->iface; 364 365 if (vlan_id > 0) { 366 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id); 367 if (ifname == NULL) 368 return -1; 369 } 370 371#ifdef CONFIG_TESTING_OPTIONS 372 if (addr && !is_broadcast_ether_addr(addr)) { 373 struct sta_info *sta; 374 375 sta = ap_get_sta(hapd, addr); 376 if (sta) { 377 sta->last_tk_alg = alg; 378 sta->last_tk_key_idx = idx; 379 if (key) 380 os_memcpy(sta->last_tk, key, key_len); 381 sta->last_tk_len = key_len; 382 } 383#ifdef CONFIG_IEEE80211W 384 } else if (alg == WPA_ALG_IGTK || 385 alg == WPA_ALG_BIP_GMAC_128 || 386 alg == WPA_ALG_BIP_GMAC_256 || 387 alg == WPA_ALG_BIP_CMAC_256) { 388 hapd->last_igtk_alg = alg; 389 hapd->last_igtk_key_idx = idx; 390 if (key) 391 os_memcpy(hapd->last_igtk, key, key_len); 392 hapd->last_igtk_len = key_len; 393#endif /* CONFIG_IEEE80211W */ 394 } else { 395 hapd->last_gtk_alg = alg; 396 hapd->last_gtk_key_idx = idx; 397 if (key) 398 os_memcpy(hapd->last_gtk, key, key_len); 399 hapd->last_gtk_len = key_len; 400 } 401#endif /* CONFIG_TESTING_OPTIONS */ 402 return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, 1, NULL, 0, 403 key, key_len); 404} 405 406 407static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx, 408 u8 *seq) 409{ 410 struct hostapd_data *hapd = ctx; 411 return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq); 412} 413 414 415static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr, 416 const u8 *data, size_t data_len, 417 int encrypt) 418{ 419 struct hostapd_data *hapd = ctx; 420 struct sta_info *sta; 421 u32 flags = 0; 422 423#ifdef CONFIG_TESTING_OPTIONS 424 if (hapd->ext_eapol_frame_io) { 425 size_t hex_len = 2 * data_len + 1; 426 char *hex = os_malloc(hex_len); 427 428 if (hex == NULL) 429 return -1; 430 wpa_snprintf_hex(hex, hex_len, data, data_len); 431 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s", 432 MAC2STR(addr), hex); 433 os_free(hex); 434 return 0; 435 } 436#endif /* CONFIG_TESTING_OPTIONS */ 437 438 sta = ap_get_sta(hapd, addr); 439 if (sta) 440 flags = hostapd_sta_flags_to_drv(sta->flags); 441 442 return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len, 443 encrypt, flags); 444} 445 446 447static int hostapd_wpa_auth_for_each_sta( 448 void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx), 449 void *cb_ctx) 450{ 451 struct hostapd_data *hapd = ctx; 452 struct sta_info *sta; 453 454 for (sta = hapd->sta_list; sta; sta = sta->next) { 455 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx)) 456 return 1; 457 } 458 return 0; 459} 460 461 462struct wpa_auth_iface_iter_data { 463 int (*cb)(struct wpa_authenticator *sm, void *ctx); 464 void *cb_ctx; 465}; 466 467static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx) 468{ 469 struct wpa_auth_iface_iter_data *data = ctx; 470 size_t i; 471 for (i = 0; i < iface->num_bss; i++) { 472 if (iface->bss[i]->wpa_auth && 473 data->cb(iface->bss[i]->wpa_auth, data->cb_ctx)) 474 return 1; 475 } 476 return 0; 477} 478 479 480static int hostapd_wpa_auth_for_each_auth( 481 void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx), 482 void *cb_ctx) 483{ 484 struct hostapd_data *hapd = ctx; 485 struct wpa_auth_iface_iter_data data; 486 if (hapd->iface->interfaces == NULL || 487 hapd->iface->interfaces->for_each_interface == NULL) 488 return -1; 489 data.cb = cb; 490 data.cb_ctx = cb_ctx; 491 return hapd->iface->interfaces->for_each_interface( 492 hapd->iface->interfaces, wpa_auth_iface_iter, &data); 493} 494 495 496#ifdef CONFIG_IEEE80211R_AP 497 498struct wpa_ft_rrb_rx_later_data { 499 struct dl_list list; 500 u8 addr[ETH_ALEN]; 501 size_t data_len; 502 /* followed by data_len octets of data */ 503}; 504 505static void hostapd_wpa_ft_rrb_rx_later(void *eloop_ctx, void *timeout_ctx) 506{ 507 struct hostapd_data *hapd = eloop_ctx; 508 struct wpa_ft_rrb_rx_later_data *data, *n; 509 510 dl_list_for_each_safe(data, n, &hapd->l2_queue, 511 struct wpa_ft_rrb_rx_later_data, list) { 512 if (hapd->wpa_auth) { 513 wpa_ft_rrb_rx(hapd->wpa_auth, data->addr, 514 (const u8 *) (data + 1), 515 data->data_len); 516 } 517 dl_list_del(&data->list); 518 os_free(data); 519 } 520} 521 522 523struct wpa_auth_ft_iface_iter_data { 524 struct hostapd_data *src_hapd; 525 const u8 *dst; 526 const u8 *data; 527 size_t data_len; 528}; 529 530 531static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx) 532{ 533 struct wpa_auth_ft_iface_iter_data *idata = ctx; 534 struct wpa_ft_rrb_rx_later_data *data; 535 struct hostapd_data *hapd; 536 size_t j; 537 538 for (j = 0; j < iface->num_bss; j++) { 539 hapd = iface->bss[j]; 540 if (hapd == idata->src_hapd || 541 !hapd->wpa_auth || 542 os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) != 0) 543 continue; 544 545 wpa_printf(MSG_DEBUG, 546 "FT: Send RRB data directly to locally managed BSS " 547 MACSTR "@%s -> " MACSTR "@%s", 548 MAC2STR(idata->src_hapd->own_addr), 549 idata->src_hapd->conf->iface, 550 MAC2STR(hapd->own_addr), hapd->conf->iface); 551 552 /* Defer wpa_ft_rrb_rx() until next eloop step as this is 553 * when it would be triggered when reading from a socket. 554 * This avoids 555 * hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv, 556 * that is calling hapd0:recv handler from within 557 * hapd0:send directly. 558 */ 559 data = os_zalloc(sizeof(*data) + idata->data_len); 560 if (!data) 561 return 1; 562 563 os_memcpy(data->addr, idata->src_hapd->own_addr, ETH_ALEN); 564 os_memcpy(data + 1, idata->data, idata->data_len); 565 data->data_len = idata->data_len; 566 567 dl_list_add(&hapd->l2_queue, &data->list); 568 569 if (!eloop_is_timeout_registered(hostapd_wpa_ft_rrb_rx_later, 570 hapd, NULL)) 571 eloop_register_timeout(0, 0, 572 hostapd_wpa_ft_rrb_rx_later, 573 hapd, NULL); 574 575 return 1; 576 } 577 578 return 0; 579} 580 581#endif /* CONFIG_IEEE80211R_AP */ 582 583 584static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto, 585 const u8 *data, size_t data_len) 586{ 587 struct hostapd_data *hapd = ctx; 588 struct l2_ethhdr *buf; 589 int ret; 590 591#ifdef CONFIG_TESTING_OPTIONS 592 if (hapd->ext_eapol_frame_io && proto == ETH_P_EAPOL) { 593 size_t hex_len = 2 * data_len + 1; 594 char *hex = os_malloc(hex_len); 595 596 if (hex == NULL) 597 return -1; 598 wpa_snprintf_hex(hex, hex_len, data, data_len); 599 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s", 600 MAC2STR(dst), hex); 601 os_free(hex); 602 return 0; 603 } 604#endif /* CONFIG_TESTING_OPTIONS */ 605 606#ifdef CONFIG_IEEE80211R_AP 607 if (proto == ETH_P_RRB && hapd->iface->interfaces && 608 hapd->iface->interfaces->for_each_interface) { 609 int res; 610 struct wpa_auth_ft_iface_iter_data idata; 611 idata.src_hapd = hapd; 612 idata.dst = dst; 613 idata.data = data; 614 idata.data_len = data_len; 615 res = hapd->iface->interfaces->for_each_interface( 616 hapd->iface->interfaces, hostapd_wpa_auth_ft_iter, 617 &idata); 618 if (res == 1) 619 return data_len; 620 } 621#endif /* CONFIG_IEEE80211R_AP */ 622 623 if (hapd->driver && hapd->driver->send_ether) 624 return hapd->driver->send_ether(hapd->drv_priv, dst, 625 hapd->own_addr, proto, 626 data, data_len); 627 if (hapd->l2 == NULL) 628 return -1; 629 630 buf = os_malloc(sizeof(*buf) + data_len); 631 if (buf == NULL) 632 return -1; 633 os_memcpy(buf->h_dest, dst, ETH_ALEN); 634 os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN); 635 buf->h_proto = host_to_be16(proto); 636 os_memcpy(buf + 1, data, data_len); 637 ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf, 638 sizeof(*buf) + data_len); 639 os_free(buf); 640 return ret; 641} 642 643 644#ifdef CONFIG_ETH_P_OUI 645static struct eth_p_oui_ctx * hostapd_wpa_get_oui(struct hostapd_data *hapd, 646 u8 oui_suffix) 647{ 648 switch (oui_suffix) { 649#ifdef CONFIG_IEEE80211R_AP 650 case FT_PACKET_R0KH_R1KH_PULL: 651 return hapd->oui_pull; 652 case FT_PACKET_R0KH_R1KH_RESP: 653 return hapd->oui_resp; 654 case FT_PACKET_R0KH_R1KH_PUSH: 655 return hapd->oui_push; 656 case FT_PACKET_R0KH_R1KH_SEQ_REQ: 657 return hapd->oui_sreq; 658 case FT_PACKET_R0KH_R1KH_SEQ_RESP: 659 return hapd->oui_sresp; 660#endif /* CONFIG_IEEE80211R_AP */ 661 default: 662 return NULL; 663 } 664} 665#endif /* CONFIG_ETH_P_OUI */ 666 667 668#ifdef CONFIG_IEEE80211R_AP 669 670struct oui_deliver_later_data { 671 struct dl_list list; 672 u8 src_addr[ETH_ALEN]; 673 u8 dst_addr[ETH_ALEN]; 674 size_t data_len; 675 u8 oui_suffix; 676 /* followed by data_len octets of data */ 677}; 678 679static void hostapd_oui_deliver_later(void *eloop_ctx, void *timeout_ctx) 680{ 681 struct hostapd_data *hapd = eloop_ctx; 682 struct oui_deliver_later_data *data, *n; 683 struct eth_p_oui_ctx *oui_ctx; 684 685 dl_list_for_each_safe(data, n, &hapd->l2_oui_queue, 686 struct oui_deliver_later_data, list) { 687 oui_ctx = hostapd_wpa_get_oui(hapd, data->oui_suffix); 688 if (hapd->wpa_auth && oui_ctx) { 689 eth_p_oui_deliver(oui_ctx, data->src_addr, 690 data->dst_addr, 691 (const u8 *) (data + 1), 692 data->data_len); 693 } 694 dl_list_del(&data->list); 695 os_free(data); 696 } 697} 698 699 700struct wpa_auth_oui_iface_iter_data { 701 struct hostapd_data *src_hapd; 702 const u8 *dst_addr; 703 const u8 *data; 704 size_t data_len; 705 u8 oui_suffix; 706}; 707 708static int hostapd_wpa_auth_oui_iter(struct hostapd_iface *iface, void *ctx) 709{ 710 struct wpa_auth_oui_iface_iter_data *idata = ctx; 711 struct oui_deliver_later_data *data; 712 struct hostapd_data *hapd; 713 size_t j; 714 715 for (j = 0; j < iface->num_bss; j++) { 716 hapd = iface->bss[j]; 717 if (hapd == idata->src_hapd) 718 continue; 719 if (!is_multicast_ether_addr(idata->dst_addr) && 720 os_memcmp(hapd->own_addr, idata->dst_addr, ETH_ALEN) != 0) 721 continue; 722 723 /* defer eth_p_oui_deliver until next eloop step as this is 724 * when it would be triggerd from reading from sock 725 * This avoids 726 * hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv, 727 * that is calling hapd0:recv handler from within 728 * hapd0:send directly. 729 */ 730 data = os_zalloc(sizeof(*data) + idata->data_len); 731 if (!data) 732 return 1; 733 734 os_memcpy(data->src_addr, idata->src_hapd->own_addr, ETH_ALEN); 735 os_memcpy(data->dst_addr, idata->dst_addr, ETH_ALEN); 736 os_memcpy(data + 1, idata->data, idata->data_len); 737 data->data_len = idata->data_len; 738 data->oui_suffix = idata->oui_suffix; 739 740 dl_list_add(&hapd->l2_oui_queue, &data->list); 741 742 if (!eloop_is_timeout_registered(hostapd_oui_deliver_later, 743 hapd, NULL)) 744 eloop_register_timeout(0, 0, 745 hostapd_oui_deliver_later, 746 hapd, NULL); 747 748 return 1; 749 } 750 751 return 0; 752} 753 754#endif /* CONFIG_IEEE80211R_AP */ 755 756 757static int hostapd_wpa_auth_send_oui(void *ctx, const u8 *dst, u8 oui_suffix, 758 const u8 *data, size_t data_len) 759{ 760#ifdef CONFIG_ETH_P_OUI 761 struct hostapd_data *hapd = ctx; 762 struct eth_p_oui_ctx *oui_ctx; 763 764#ifdef CONFIG_IEEE80211R_AP 765 if (hapd->iface->interfaces && 766 hapd->iface->interfaces->for_each_interface) { 767 struct wpa_auth_oui_iface_iter_data idata; 768 int res; 769 770 idata.src_hapd = hapd; 771 idata.dst_addr = dst; 772 idata.data = data; 773 idata.data_len = data_len; 774 idata.oui_suffix = oui_suffix; 775 res = hapd->iface->interfaces->for_each_interface( 776 hapd->iface->interfaces, hostapd_wpa_auth_oui_iter, 777 &idata); 778 if (res == 1) 779 return data_len; 780 } 781#endif /* CONFIG_IEEE80211R_AP */ 782 783 oui_ctx = hostapd_wpa_get_oui(hapd, oui_suffix); 784 if (!oui_ctx) 785 return -1; 786 787 return eth_p_oui_send(oui_ctx, hapd->own_addr, dst, data, data_len); 788#else /* CONFIG_ETH_P_OUI */ 789 return -1; 790#endif /* CONFIG_ETH_P_OUI */ 791} 792 793 794static int hostapd_channel_info(void *ctx, struct wpa_channel_info *ci) 795{ 796 struct hostapd_data *hapd = ctx; 797 798 return hostapd_drv_channel_info(hapd, ci); 799} 800 801 802static int hostapd_wpa_auth_update_vlan(void *ctx, const u8 *addr, int vlan_id) 803{ 804#ifndef CONFIG_NO_VLAN 805 struct hostapd_data *hapd = ctx; 806 struct sta_info *sta; 807 struct vlan_description vlan_desc; 808 809 sta = ap_get_sta(hapd, addr); 810 if (!sta) 811 return -1; 812 813 os_memset(&vlan_desc, 0, sizeof(vlan_desc)); 814 vlan_desc.notempty = 1; 815 vlan_desc.untagged = vlan_id; 816 if (!hostapd_vlan_valid(hapd->conf->vlan, &vlan_desc)) { 817 wpa_printf(MSG_INFO, "Invalid VLAN ID %d in wpa_psk_file", 818 vlan_id); 819 return -1; 820 } 821 822 if (ap_sta_set_vlan(hapd, sta, &vlan_desc) < 0) { 823 wpa_printf(MSG_INFO, 824 "Failed to assign VLAN ID %d from wpa_psk_file to " 825 MACSTR, vlan_id, MAC2STR(sta->addr)); 826 return -1; 827 } 828 829 wpa_printf(MSG_INFO, 830 "Assigned VLAN ID %d from wpa_psk_file to " MACSTR, 831 vlan_id, MAC2STR(sta->addr)); 832 if ((sta->flags & WLAN_STA_ASSOC) && 833 ap_sta_bind_vlan(hapd, sta) < 0) 834 return -1; 835#endif /* CONFIG_NO_VLAN */ 836 837 return 0; 838} 839 840 841#ifdef CONFIG_OCV 842static int hostapd_get_sta_tx_params(void *ctx, const u8 *addr, 843 int ap_max_chanwidth, int ap_seg1_idx, 844 int *bandwidth, int *seg1_idx) 845{ 846 struct hostapd_data *hapd = ctx; 847 struct sta_info *sta; 848 849 sta = ap_get_sta(hapd, addr); 850 if (!sta) { 851 hostapd_wpa_auth_logger(hapd, addr, LOGGER_INFO, 852 "Failed to get STA info to validate received OCI"); 853 return -1; 854 } 855 856 return get_tx_parameters(sta, ap_max_chanwidth, ap_seg1_idx, bandwidth, 857 seg1_idx); 858} 859#endif /* CONFIG_OCV */ 860 861 862#ifdef CONFIG_IEEE80211R_AP 863 864static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst, 865 const u8 *data, size_t data_len) 866{ 867 struct hostapd_data *hapd = ctx; 868 int res; 869 struct ieee80211_mgmt *m; 870 size_t mlen; 871 struct sta_info *sta; 872 873 sta = ap_get_sta(hapd, dst); 874 if (sta == NULL || sta->wpa_sm == NULL) 875 return -1; 876 877 m = os_zalloc(sizeof(*m) + data_len); 878 if (m == NULL) 879 return -1; 880 mlen = ((u8 *) &m->u - (u8 *) m) + data_len; 881 m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 882 WLAN_FC_STYPE_ACTION); 883 os_memcpy(m->da, dst, ETH_ALEN); 884 os_memcpy(m->sa, hapd->own_addr, ETH_ALEN); 885 os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN); 886 os_memcpy(&m->u, data, data_len); 887 888 res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0); 889 os_free(m); 890 return res; 891} 892 893 894static struct wpa_state_machine * 895hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr) 896{ 897 struct hostapd_data *hapd = ctx; 898 struct sta_info *sta; 899 900 wpa_printf(MSG_DEBUG, "Add station entry for " MACSTR 901 " based on WPA authenticator callback", 902 MAC2STR(sta_addr)); 903 if (hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT) < 0) 904 return NULL; 905 906 sta = ap_sta_add(hapd, sta_addr); 907 if (sta == NULL) 908 return NULL; 909 if (hapd->driver && hapd->driver->add_sta_node) 910 sta->added_unassoc = 1; 911 sta->ft_over_ds = 1; 912 if (sta->wpa_sm) { 913 sta->auth_alg = WLAN_AUTH_FT; 914 return sta->wpa_sm; 915 } 916 917 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL); 918 if (sta->wpa_sm == NULL) { 919 ap_free_sta(hapd, sta); 920 return NULL; 921 } 922 sta->auth_alg = WLAN_AUTH_FT; 923 924 return sta->wpa_sm; 925} 926 927 928static int hostapd_wpa_auth_set_vlan(void *ctx, const u8 *sta_addr, 929 struct vlan_description *vlan) 930{ 931 struct hostapd_data *hapd = ctx; 932 struct sta_info *sta; 933 934 sta = ap_get_sta(hapd, sta_addr); 935 if (!sta || !sta->wpa_sm) 936 return -1; 937 938 if (vlan->notempty && 939 !hostapd_vlan_valid(hapd->conf->vlan, vlan)) { 940 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, 941 HOSTAPD_LEVEL_INFO, 942 "Invalid VLAN %d%s received from FT", 943 vlan->untagged, vlan->tagged[0] ? "+" : ""); 944 return -1; 945 } 946 947 if (ap_sta_set_vlan(hapd, sta, vlan) < 0) 948 return -1; 949 /* Configure wpa_group for GTK but ignore error due to driver not 950 * knowing this STA. */ 951 ap_sta_bind_vlan(hapd, sta); 952 953 if (sta->vlan_id) 954 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, 955 HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id); 956 957 return 0; 958} 959 960 961static int hostapd_wpa_auth_get_vlan(void *ctx, const u8 *sta_addr, 962 struct vlan_description *vlan) 963{ 964 struct hostapd_data *hapd = ctx; 965 struct sta_info *sta; 966 967 sta = ap_get_sta(hapd, sta_addr); 968 if (!sta) 969 return -1; 970 971 if (sta->vlan_desc) 972 *vlan = *sta->vlan_desc; 973 else 974 os_memset(vlan, 0, sizeof(*vlan)); 975 976 return 0; 977} 978 979 980static int 981hostapd_wpa_auth_set_identity(void *ctx, const u8 *sta_addr, 982 const u8 *identity, size_t identity_len) 983{ 984 struct hostapd_data *hapd = ctx; 985 struct sta_info *sta; 986 987 sta = ap_get_sta(hapd, sta_addr); 988 if (!sta) 989 return -1; 990 991 os_free(sta->identity); 992 sta->identity = NULL; 993 994 if (sta->eapol_sm) { 995 os_free(sta->eapol_sm->identity); 996 sta->eapol_sm->identity = NULL; 997 sta->eapol_sm->identity_len = 0; 998 } 999 1000 if (!identity_len) 1001 return 0; 1002 1003 /* sta->identity is NULL terminated */ 1004 sta->identity = os_zalloc(identity_len + 1); 1005 if (!sta->identity) 1006 return -1; 1007 os_memcpy(sta->identity, identity, identity_len); 1008 1009 if (sta->eapol_sm) { 1010 sta->eapol_sm->identity = os_zalloc(identity_len); 1011 if (!sta->eapol_sm->identity) 1012 return -1; 1013 os_memcpy(sta->eapol_sm->identity, identity, identity_len); 1014 sta->eapol_sm->identity_len = identity_len; 1015 } 1016 1017 return 0; 1018} 1019 1020 1021static size_t 1022hostapd_wpa_auth_get_identity(void *ctx, const u8 *sta_addr, const u8 **buf) 1023{ 1024 struct hostapd_data *hapd = ctx; 1025 struct sta_info *sta; 1026 size_t len; 1027 char *identity; 1028 1029 sta = ap_get_sta(hapd, sta_addr); 1030 if (!sta) 1031 return 0; 1032 1033 *buf = ieee802_1x_get_identity(sta->eapol_sm, &len); 1034 if (*buf && len) 1035 return len; 1036 1037 if (!sta->identity) { 1038 *buf = NULL; 1039 return 0; 1040 } 1041 1042 identity = sta->identity; 1043 len = os_strlen(identity); 1044 *buf = (u8 *) identity; 1045 1046 return len; 1047} 1048 1049 1050static int 1051hostapd_wpa_auth_set_radius_cui(void *ctx, const u8 *sta_addr, 1052 const u8 *radius_cui, size_t radius_cui_len) 1053{ 1054 struct hostapd_data *hapd = ctx; 1055 struct sta_info *sta; 1056 1057 sta = ap_get_sta(hapd, sta_addr); 1058 if (!sta) 1059 return -1; 1060 1061 os_free(sta->radius_cui); 1062 sta->radius_cui = NULL; 1063 1064 if (sta->eapol_sm) { 1065 wpabuf_free(sta->eapol_sm->radius_cui); 1066 sta->eapol_sm->radius_cui = NULL; 1067 } 1068 1069 if (!radius_cui) 1070 return 0; 1071 1072 /* sta->radius_cui is NULL terminated */ 1073 sta->radius_cui = os_zalloc(radius_cui_len + 1); 1074 if (!sta->radius_cui) 1075 return -1; 1076 os_memcpy(sta->radius_cui, radius_cui, radius_cui_len); 1077 1078 if (sta->eapol_sm) { 1079 sta->eapol_sm->radius_cui = wpabuf_alloc_copy(radius_cui, 1080 radius_cui_len); 1081 if (!sta->eapol_sm->radius_cui) 1082 return -1; 1083 } 1084 1085 return 0; 1086} 1087 1088 1089static size_t 1090hostapd_wpa_auth_get_radius_cui(void *ctx, const u8 *sta_addr, const u8 **buf) 1091{ 1092 struct hostapd_data *hapd = ctx; 1093 struct sta_info *sta; 1094 struct wpabuf *b; 1095 size_t len; 1096 char *radius_cui; 1097 1098 sta = ap_get_sta(hapd, sta_addr); 1099 if (!sta) 1100 return 0; 1101 1102 b = ieee802_1x_get_radius_cui(sta->eapol_sm); 1103 if (b) { 1104 len = wpabuf_len(b); 1105 *buf = wpabuf_head(b); 1106 return len; 1107 } 1108 1109 if (!sta->radius_cui) { 1110 *buf = NULL; 1111 return 0; 1112 } 1113 1114 radius_cui = sta->radius_cui; 1115 len = os_strlen(radius_cui); 1116 *buf = (u8 *) radius_cui; 1117 1118 return len; 1119} 1120 1121 1122static void hostapd_wpa_auth_set_session_timeout(void *ctx, const u8 *sta_addr, 1123 int session_timeout) 1124{ 1125 struct hostapd_data *hapd = ctx; 1126 struct sta_info *sta; 1127 1128 sta = ap_get_sta(hapd, sta_addr); 1129 if (!sta) 1130 return; 1131 1132 if (session_timeout) { 1133 os_get_reltime(&sta->session_timeout); 1134 sta->session_timeout.sec += session_timeout; 1135 sta->session_timeout_set = 1; 1136 ap_sta_session_timeout(hapd, sta, session_timeout); 1137 } else { 1138 sta->session_timeout_set = 0; 1139 ap_sta_no_session_timeout(hapd, sta); 1140 } 1141} 1142 1143 1144static int hostapd_wpa_auth_get_session_timeout(void *ctx, const u8 *sta_addr) 1145{ 1146 struct hostapd_data *hapd = ctx; 1147 struct sta_info *sta; 1148 struct os_reltime now, remaining; 1149 1150 sta = ap_get_sta(hapd, sta_addr); 1151 if (!sta || !sta->session_timeout_set) 1152 return 0; 1153 1154 os_get_reltime(&now); 1155 if (os_reltime_before(&sta->session_timeout, &now)) { 1156 /* already expired, return >0 as timeout was set */ 1157 return 1; 1158 } 1159 1160 os_reltime_sub(&sta->session_timeout, &now, &remaining); 1161 1162 return (remaining.sec > 0) ? remaining.sec : 1; 1163} 1164 1165 1166static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf, 1167 size_t len) 1168{ 1169 struct hostapd_data *hapd = ctx; 1170 struct l2_ethhdr *ethhdr; 1171 if (len < sizeof(*ethhdr)) 1172 return; 1173 ethhdr = (struct l2_ethhdr *) buf; 1174 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> " 1175 MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest)); 1176 if (!is_multicast_ether_addr(ethhdr->h_dest) && 1177 os_memcmp(hapd->own_addr, ethhdr->h_dest, ETH_ALEN) != 0) 1178 return; 1179 wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr), 1180 len - sizeof(*ethhdr)); 1181} 1182 1183 1184static void hostapd_rrb_oui_receive(void *ctx, const u8 *src_addr, 1185 const u8 *dst_addr, u8 oui_suffix, 1186 const u8 *buf, size_t len) 1187{ 1188 struct hostapd_data *hapd = ctx; 1189 1190 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> " 1191 MACSTR, MAC2STR(src_addr), MAC2STR(dst_addr)); 1192 if (!is_multicast_ether_addr(dst_addr) && 1193 os_memcmp(hapd->own_addr, dst_addr, ETH_ALEN) != 0) 1194 return; 1195 wpa_ft_rrb_oui_rx(hapd->wpa_auth, src_addr, dst_addr, oui_suffix, buf, 1196 len); 1197} 1198 1199 1200static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr, 1201 u8 *tspec_ie, size_t tspec_ielen) 1202{ 1203 struct hostapd_data *hapd = ctx; 1204 return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen); 1205} 1206 1207 1208 1209static int hostapd_wpa_register_ft_oui(struct hostapd_data *hapd, 1210 const char *ft_iface) 1211{ 1212 hapd->oui_pull = eth_p_oui_register(hapd, ft_iface, 1213 FT_PACKET_R0KH_R1KH_PULL, 1214 hostapd_rrb_oui_receive, hapd); 1215 if (!hapd->oui_pull) 1216 return -1; 1217 1218 hapd->oui_resp = eth_p_oui_register(hapd, ft_iface, 1219 FT_PACKET_R0KH_R1KH_RESP, 1220 hostapd_rrb_oui_receive, hapd); 1221 if (!hapd->oui_resp) 1222 return -1; 1223 1224 hapd->oui_push = eth_p_oui_register(hapd, ft_iface, 1225 FT_PACKET_R0KH_R1KH_PUSH, 1226 hostapd_rrb_oui_receive, hapd); 1227 if (!hapd->oui_push) 1228 return -1; 1229 1230 hapd->oui_sreq = eth_p_oui_register(hapd, ft_iface, 1231 FT_PACKET_R0KH_R1KH_SEQ_REQ, 1232 hostapd_rrb_oui_receive, hapd); 1233 if (!hapd->oui_sreq) 1234 return -1; 1235 1236 hapd->oui_sresp = eth_p_oui_register(hapd, ft_iface, 1237 FT_PACKET_R0KH_R1KH_SEQ_RESP, 1238 hostapd_rrb_oui_receive, hapd); 1239 if (!hapd->oui_sresp) 1240 return -1; 1241 1242 return 0; 1243} 1244 1245 1246static void hostapd_wpa_unregister_ft_oui(struct hostapd_data *hapd) 1247{ 1248 eth_p_oui_unregister(hapd->oui_pull); 1249 hapd->oui_pull = NULL; 1250 eth_p_oui_unregister(hapd->oui_resp); 1251 hapd->oui_resp = NULL; 1252 eth_p_oui_unregister(hapd->oui_push); 1253 hapd->oui_push = NULL; 1254 eth_p_oui_unregister(hapd->oui_sreq); 1255 hapd->oui_sreq = NULL; 1256 eth_p_oui_unregister(hapd->oui_sresp); 1257 hapd->oui_sresp = NULL; 1258} 1259#endif /* CONFIG_IEEE80211R_AP */ 1260 1261 1262int hostapd_setup_wpa(struct hostapd_data *hapd) 1263{ 1264 struct wpa_auth_config _conf; 1265 static const struct wpa_auth_callbacks cb = { 1266 .logger = hostapd_wpa_auth_logger, 1267 .disconnect = hostapd_wpa_auth_disconnect, 1268 .mic_failure_report = hostapd_wpa_auth_mic_failure_report, 1269 .psk_failure_report = hostapd_wpa_auth_psk_failure_report, 1270 .set_eapol = hostapd_wpa_auth_set_eapol, 1271 .get_eapol = hostapd_wpa_auth_get_eapol, 1272 .get_psk = hostapd_wpa_auth_get_psk, 1273 .get_msk = hostapd_wpa_auth_get_msk, 1274 .set_key = hostapd_wpa_auth_set_key, 1275 .get_seqnum = hostapd_wpa_auth_get_seqnum, 1276 .send_eapol = hostapd_wpa_auth_send_eapol, 1277 .for_each_sta = hostapd_wpa_auth_for_each_sta, 1278 .for_each_auth = hostapd_wpa_auth_for_each_auth, 1279 .send_ether = hostapd_wpa_auth_send_ether, 1280 .send_oui = hostapd_wpa_auth_send_oui, 1281 .channel_info = hostapd_channel_info, 1282 .update_vlan = hostapd_wpa_auth_update_vlan, 1283#ifdef CONFIG_OCV 1284 .get_sta_tx_params = hostapd_get_sta_tx_params, 1285#endif /* CONFIG_OCV */ 1286#ifdef CONFIG_IEEE80211R_AP 1287 .send_ft_action = hostapd_wpa_auth_send_ft_action, 1288 .add_sta = hostapd_wpa_auth_add_sta, 1289 .add_tspec = hostapd_wpa_auth_add_tspec, 1290 .set_vlan = hostapd_wpa_auth_set_vlan, 1291 .get_vlan = hostapd_wpa_auth_get_vlan, 1292 .set_identity = hostapd_wpa_auth_set_identity, 1293 .get_identity = hostapd_wpa_auth_get_identity, 1294 .set_radius_cui = hostapd_wpa_auth_set_radius_cui, 1295 .get_radius_cui = hostapd_wpa_auth_get_radius_cui, 1296 .set_session_timeout = hostapd_wpa_auth_set_session_timeout, 1297 .get_session_timeout = hostapd_wpa_auth_get_session_timeout, 1298#endif /* CONFIG_IEEE80211R_AP */ 1299 }; 1300 const u8 *wpa_ie; 1301 size_t wpa_ie_len; 1302 1303 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &_conf); 1304 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS) 1305 _conf.tx_status = 1; 1306 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME) 1307 _conf.ap_mlme = 1; 1308 hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb, hapd); 1309 if (hapd->wpa_auth == NULL) { 1310 wpa_printf(MSG_ERROR, "WPA initialization failed."); 1311 return -1; 1312 } 1313 1314 if (hostapd_set_privacy(hapd, 1)) { 1315 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked " 1316 "for interface %s", hapd->conf->iface); 1317 return -1; 1318 } 1319 1320 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len); 1321 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) { 1322 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for " 1323 "the kernel driver."); 1324 return -1; 1325 } 1326 1327 if (rsn_preauth_iface_init(hapd)) { 1328 wpa_printf(MSG_ERROR, "Initialization of RSN " 1329 "pre-authentication failed."); 1330 return -1; 1331 } 1332 1333#ifdef CONFIG_IEEE80211R_AP 1334 if (!hostapd_drv_none(hapd) && 1335 wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt)) { 1336 const char *ft_iface; 1337 1338 ft_iface = hapd->conf->bridge[0] ? hapd->conf->bridge : 1339 hapd->conf->iface; 1340 hapd->l2 = l2_packet_init(ft_iface, NULL, ETH_P_RRB, 1341 hostapd_rrb_receive, hapd, 1); 1342 if (hapd->l2 == NULL && 1343 (hapd->driver == NULL || 1344 hapd->driver->send_ether == NULL)) { 1345 wpa_printf(MSG_ERROR, "Failed to open l2_packet " 1346 "interface"); 1347 return -1; 1348 } 1349 1350 if (hostapd_wpa_register_ft_oui(hapd, ft_iface)) { 1351 wpa_printf(MSG_ERROR, 1352 "Failed to open ETH_P_OUI interface"); 1353 return -1; 1354 } 1355 } 1356#endif /* CONFIG_IEEE80211R_AP */ 1357 1358 return 0; 1359 1360} 1361 1362 1363void hostapd_reconfig_wpa(struct hostapd_data *hapd) 1364{ 1365 struct wpa_auth_config wpa_auth_conf; 1366 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &wpa_auth_conf); 1367 wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf); 1368} 1369 1370 1371void hostapd_deinit_wpa(struct hostapd_data *hapd) 1372{ 1373 ieee80211_tkip_countermeasures_deinit(hapd); 1374 rsn_preauth_iface_deinit(hapd); 1375 if (hapd->wpa_auth) { 1376 wpa_deinit(hapd->wpa_auth); 1377 hapd->wpa_auth = NULL; 1378 1379 if (hapd->drv_priv && hostapd_set_privacy(hapd, 0)) { 1380 wpa_printf(MSG_DEBUG, "Could not disable " 1381 "PrivacyInvoked for interface %s", 1382 hapd->conf->iface); 1383 } 1384 1385 if (hapd->drv_priv && 1386 hostapd_set_generic_elem(hapd, (u8 *) "", 0)) { 1387 wpa_printf(MSG_DEBUG, "Could not remove generic " 1388 "information element from interface %s", 1389 hapd->conf->iface); 1390 } 1391 } 1392 ieee802_1x_deinit(hapd); 1393 1394#ifdef CONFIG_IEEE80211R_AP 1395 eloop_cancel_timeout(hostapd_wpa_ft_rrb_rx_later, hapd, ELOOP_ALL_CTX); 1396 hostapd_wpa_ft_rrb_rx_later(hapd, NULL); /* flush without delivering */ 1397 eloop_cancel_timeout(hostapd_oui_deliver_later, hapd, ELOOP_ALL_CTX); 1398 hostapd_oui_deliver_later(hapd, NULL); /* flush without delivering */ 1399 l2_packet_deinit(hapd->l2); 1400 hapd->l2 = NULL; 1401 hostapd_wpa_unregister_ft_oui(hapd); 1402#endif /* CONFIG_IEEE80211R_AP */ 1403} 1404