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