1 /* 2 * hostapd / Initialization and configuration 3 * Copyright (c) 2002-2012, Jouni Malinen <j (at) 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 "common/ieee802_11_defs.h" 14 #include "radius/radius_client.h" 15 #include "radius/radius_das.h" 16 #include "drivers/driver.h" 17 #include "hostapd.h" 18 #include "authsrv.h" 19 #include "sta_info.h" 20 #include "accounting.h" 21 #include "ap_list.h" 22 #include "beacon.h" 23 #include "iapp.h" 24 #include "ieee802_1x.h" 25 #include "ieee802_11_auth.h" 26 #include "vlan_init.h" 27 #include "wpa_auth.h" 28 #include "wps_hostapd.h" 29 #include "hw_features.h" 30 #include "wpa_auth_glue.h" 31 #include "ap_drv_ops.h" 32 #include "ap_config.h" 33 #include "p2p_hostapd.h" 34 #include "gas_serv.h" 35 36 37 static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason); 38 static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd); 39 static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd); 40 41 extern int wpa_debug_level; 42 extern struct wpa_driver_ops *wpa_drivers[]; 43 44 45 int hostapd_for_each_interface(struct hapd_interfaces *interfaces, 46 int (*cb)(struct hostapd_iface *iface, 47 void *ctx), void *ctx) 48 { 49 size_t i; 50 int ret; 51 52 for (i = 0; i < interfaces->count; i++) { 53 ret = cb(interfaces->iface[i], ctx); 54 if (ret) 55 return ret; 56 } 57 58 return 0; 59 } 60 61 62 static void hostapd_reload_bss(struct hostapd_data *hapd) 63 { 64 #ifndef CONFIG_NO_RADIUS 65 radius_client_reconfig(hapd->radius, hapd->conf->radius); 66 #endif /* CONFIG_NO_RADIUS */ 67 68 if (hostapd_setup_wpa_psk(hapd->conf)) { 69 wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK " 70 "after reloading configuration"); 71 } 72 73 if (hapd->conf->ieee802_1x || hapd->conf->wpa) 74 hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 1); 75 else 76 hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0); 77 78 if (hapd->conf->wpa && hapd->wpa_auth == NULL) { 79 hostapd_setup_wpa(hapd); 80 if (hapd->wpa_auth) 81 wpa_init_keys(hapd->wpa_auth); 82 } else if (hapd->conf->wpa) { 83 const u8 *wpa_ie; 84 size_t wpa_ie_len; 85 hostapd_reconfig_wpa(hapd); 86 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len); 87 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) 88 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for " 89 "the kernel driver."); 90 } else if (hapd->wpa_auth) { 91 wpa_deinit(hapd->wpa_auth); 92 hapd->wpa_auth = NULL; 93 hostapd_set_privacy(hapd, 0); 94 hostapd_setup_encryption(hapd->conf->iface, hapd); 95 hostapd_set_generic_elem(hapd, (u8 *) "", 0); 96 } 97 98 ieee802_11_set_beacon(hapd); 99 hostapd_update_wps(hapd); 100 101 if (hapd->conf->ssid.ssid_set && 102 hostapd_set_ssid(hapd, hapd->conf->ssid.ssid, 103 hapd->conf->ssid.ssid_len)) { 104 wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver"); 105 /* try to continue */ 106 } 107 wpa_printf(MSG_DEBUG, "Reconfigured interface %s", hapd->conf->iface); 108 } 109 110 111 static void hostapd_clear_old(struct hostapd_iface *iface) 112 { 113 size_t j; 114 115 /* 116 * Deauthenticate all stations since the new configuration may not 117 * allow them to use the BSS anymore. 118 */ 119 for (j = 0; j < iface->num_bss; j++) { 120 hostapd_flush_old_stations(iface->bss[j], 121 WLAN_REASON_PREV_AUTH_NOT_VALID); 122 hostapd_broadcast_wep_clear(iface->bss[j]); 123 124 #ifndef CONFIG_NO_RADIUS 125 /* TODO: update dynamic data based on changed configuration 126 * items (e.g., open/close sockets, etc.) */ 127 radius_client_flush(iface->bss[j]->radius, 0); 128 #endif /* CONFIG_NO_RADIUS */ 129 } 130 } 131 132 133 int hostapd_reload_config(struct hostapd_iface *iface) 134 { 135 struct hostapd_data *hapd = iface->bss[0]; 136 struct hostapd_config *newconf, *oldconf; 137 size_t j; 138 139 if (iface->config_fname == NULL) { 140 /* Only in-memory config in use - assume it has been updated */ 141 hostapd_clear_old(iface); 142 for (j = 0; j < iface->num_bss; j++) 143 hostapd_reload_bss(iface->bss[j]); 144 return 0; 145 } 146 147 if (iface->interfaces == NULL || 148 iface->interfaces->config_read_cb == NULL) 149 return -1; 150 newconf = iface->interfaces->config_read_cb(iface->config_fname); 151 if (newconf == NULL) 152 return -1; 153 154 hostapd_clear_old(iface); 155 156 oldconf = hapd->iconf; 157 iface->conf = newconf; 158 159 for (j = 0; j < iface->num_bss; j++) { 160 hapd = iface->bss[j]; 161 hapd->iconf = newconf; 162 hapd->conf = &newconf->bss[j]; 163 hostapd_reload_bss(hapd); 164 } 165 166 hostapd_config_free(oldconf); 167 168 169 return 0; 170 } 171 172 173 static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd, 174 char *ifname) 175 { 176 int i; 177 178 for (i = 0; i < NUM_WEP_KEYS; i++) { 179 if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, NULL, i, 180 0, NULL, 0, NULL, 0)) { 181 wpa_printf(MSG_DEBUG, "Failed to clear default " 182 "encryption keys (ifname=%s keyidx=%d)", 183 ifname, i); 184 } 185 } 186 #ifdef CONFIG_IEEE80211W 187 if (hapd->conf->ieee80211w) { 188 for (i = NUM_WEP_KEYS; i < NUM_WEP_KEYS + 2; i++) { 189 if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, 190 NULL, i, 0, NULL, 191 0, NULL, 0)) { 192 wpa_printf(MSG_DEBUG, "Failed to clear " 193 "default mgmt encryption keys " 194 "(ifname=%s keyidx=%d)", ifname, i); 195 } 196 } 197 } 198 #endif /* CONFIG_IEEE80211W */ 199 } 200 201 202 static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd) 203 { 204 hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface); 205 return 0; 206 } 207 208 209 static int hostapd_broadcast_wep_set(struct hostapd_data *hapd) 210 { 211 int errors = 0, idx; 212 struct hostapd_ssid *ssid = &hapd->conf->ssid; 213 214 idx = ssid->wep.idx; 215 if (ssid->wep.default_len && 216 hostapd_drv_set_key(hapd->conf->iface, 217 hapd, WPA_ALG_WEP, broadcast_ether_addr, idx, 218 1, NULL, 0, ssid->wep.key[idx], 219 ssid->wep.len[idx])) { 220 wpa_printf(MSG_WARNING, "Could not set WEP encryption."); 221 errors++; 222 } 223 224 if (ssid->dyn_vlan_keys) { 225 size_t i; 226 for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) { 227 const char *ifname; 228 struct hostapd_wep_keys *key = ssid->dyn_vlan_keys[i]; 229 if (key == NULL) 230 continue; 231 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, 232 i); 233 if (ifname == NULL) 234 continue; 235 236 idx = key->idx; 237 if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_WEP, 238 broadcast_ether_addr, idx, 1, 239 NULL, 0, key->key[idx], 240 key->len[idx])) { 241 wpa_printf(MSG_WARNING, "Could not set " 242 "dynamic VLAN WEP encryption."); 243 errors++; 244 } 245 } 246 } 247 248 return errors; 249 } 250 251 252 static void hostapd_free_hapd_data(struct hostapd_data *hapd) 253 { 254 iapp_deinit(hapd->iapp); 255 hapd->iapp = NULL; 256 accounting_deinit(hapd); 257 hostapd_deinit_wpa(hapd); 258 vlan_deinit(hapd); 259 hostapd_acl_deinit(hapd); 260 #ifndef CONFIG_NO_RADIUS 261 radius_client_deinit(hapd->radius); 262 hapd->radius = NULL; 263 radius_das_deinit(hapd->radius_das); 264 hapd->radius_das = NULL; 265 #endif /* CONFIG_NO_RADIUS */ 266 267 hostapd_deinit_wps(hapd); 268 269 authsrv_deinit(hapd); 270 271 if (hapd->interface_added && 272 hostapd_if_remove(hapd, WPA_IF_AP_BSS, hapd->conf->iface)) { 273 wpa_printf(MSG_WARNING, "Failed to remove BSS interface %s", 274 hapd->conf->iface); 275 } 276 277 os_free(hapd->probereq_cb); 278 hapd->probereq_cb = NULL; 279 280 #ifdef CONFIG_P2P 281 wpabuf_free(hapd->p2p_beacon_ie); 282 hapd->p2p_beacon_ie = NULL; 283 wpabuf_free(hapd->p2p_probe_resp_ie); 284 hapd->p2p_probe_resp_ie = NULL; 285 #endif /* CONFIG_P2P */ 286 287 wpabuf_free(hapd->time_adv); 288 289 #ifdef CONFIG_INTERWORKING 290 gas_serv_deinit(hapd); 291 #endif /* CONFIG_INTERWORKING */ 292 293 #ifdef CONFIG_SQLITE 294 os_free(hapd->tmp_eap_user.identity); 295 os_free(hapd->tmp_eap_user.password); 296 #endif /* CONFIG_SQLITE */ 297 } 298 299 300 /** 301 * hostapd_cleanup - Per-BSS cleanup (deinitialization) 302 * @hapd: Pointer to BSS data 303 * 304 * This function is used to free all per-BSS data structures and resources. 305 * This gets called in a loop for each BSS between calls to 306 * hostapd_cleanup_iface_pre() and hostapd_cleanup_iface() when an interface 307 * is deinitialized. Most of the modules that are initialized in 308 * hostapd_setup_bss() are deinitialized here. 309 */ 310 static void hostapd_cleanup(struct hostapd_data *hapd) 311 { 312 if (hapd->iface->interfaces && 313 hapd->iface->interfaces->ctrl_iface_deinit) 314 hapd->iface->interfaces->ctrl_iface_deinit(hapd); 315 hostapd_free_hapd_data(hapd); 316 } 317 318 319 /** 320 * hostapd_cleanup_iface_pre - Preliminary per-interface cleanup 321 * @iface: Pointer to interface data 322 * 323 * This function is called before per-BSS data structures are deinitialized 324 * with hostapd_cleanup(). 325 */ 326 static void hostapd_cleanup_iface_pre(struct hostapd_iface *iface) 327 { 328 } 329 330 331 static void hostapd_cleanup_iface_partial(struct hostapd_iface *iface) 332 { 333 hostapd_free_hw_features(iface->hw_features, iface->num_hw_features); 334 iface->hw_features = NULL; 335 os_free(iface->current_rates); 336 iface->current_rates = NULL; 337 os_free(iface->basic_rates); 338 iface->basic_rates = NULL; 339 ap_list_deinit(iface); 340 } 341 342 343 /** 344 * hostapd_cleanup_iface - Complete per-interface cleanup 345 * @iface: Pointer to interface data 346 * 347 * This function is called after per-BSS data structures are deinitialized 348 * with hostapd_cleanup(). 349 */ 350 static void hostapd_cleanup_iface(struct hostapd_iface *iface) 351 { 352 hostapd_cleanup_iface_partial(iface); 353 hostapd_config_free(iface->conf); 354 iface->conf = NULL; 355 356 os_free(iface->config_fname); 357 os_free(iface->bss); 358 os_free(iface); 359 } 360 361 362 static void hostapd_clear_wep(struct hostapd_data *hapd) 363 { 364 if (hapd->drv_priv) { 365 hostapd_set_privacy(hapd, 0); 366 hostapd_broadcast_wep_clear(hapd); 367 } 368 } 369 370 371 static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd) 372 { 373 int i; 374 375 hostapd_broadcast_wep_set(hapd); 376 377 if (hapd->conf->ssid.wep.default_len) { 378 hostapd_set_privacy(hapd, 1); 379 return 0; 380 } 381 382 /* 383 * When IEEE 802.1X is not enabled, the driver may need to know how to 384 * set authentication algorithms for static WEP. 385 */ 386 hostapd_drv_set_authmode(hapd, hapd->conf->auth_algs); 387 388 for (i = 0; i < 4; i++) { 389 if (hapd->conf->ssid.wep.key[i] && 390 hostapd_drv_set_key(iface, hapd, WPA_ALG_WEP, NULL, i, 391 i == hapd->conf->ssid.wep.idx, NULL, 0, 392 hapd->conf->ssid.wep.key[i], 393 hapd->conf->ssid.wep.len[i])) { 394 wpa_printf(MSG_WARNING, "Could not set WEP " 395 "encryption."); 396 return -1; 397 } 398 if (hapd->conf->ssid.wep.key[i] && 399 i == hapd->conf->ssid.wep.idx) 400 hostapd_set_privacy(hapd, 1); 401 } 402 403 return 0; 404 } 405 406 407 static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason) 408 { 409 int ret = 0; 410 u8 addr[ETH_ALEN]; 411 412 if (hostapd_drv_none(hapd) || hapd->drv_priv == NULL) 413 return 0; 414 415 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "Flushing old station entries"); 416 if (hostapd_flush(hapd)) { 417 wpa_msg(hapd->msg_ctx, MSG_WARNING, "Could not connect to " 418 "kernel driver"); 419 ret = -1; 420 } 421 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "Deauthenticate all stations"); 422 os_memset(addr, 0xff, ETH_ALEN); 423 hostapd_drv_sta_deauth(hapd, addr, reason); 424 hostapd_free_stas(hapd); 425 426 return ret; 427 } 428 429 430 /** 431 * hostapd_validate_bssid_configuration - Validate BSSID configuration 432 * @iface: Pointer to interface data 433 * Returns: 0 on success, -1 on failure 434 * 435 * This function is used to validate that the configured BSSIDs are valid. 436 */ 437 static int hostapd_validate_bssid_configuration(struct hostapd_iface *iface) 438 { 439 u8 mask[ETH_ALEN] = { 0 }; 440 struct hostapd_data *hapd = iface->bss[0]; 441 unsigned int i = iface->conf->num_bss, bits = 0, j; 442 int auto_addr = 0; 443 444 if (hostapd_drv_none(hapd)) 445 return 0; 446 447 /* Generate BSSID mask that is large enough to cover the BSSIDs. */ 448 449 /* Determine the bits necessary to cover the number of BSSIDs. */ 450 for (i--; i; i >>= 1) 451 bits++; 452 453 /* Determine the bits necessary to any configured BSSIDs, 454 if they are higher than the number of BSSIDs. */ 455 for (j = 0; j < iface->conf->num_bss; j++) { 456 if (hostapd_mac_comp_empty(iface->conf->bss[j].bssid) == 0) { 457 if (j) 458 auto_addr++; 459 continue; 460 } 461 462 for (i = 0; i < ETH_ALEN; i++) { 463 mask[i] |= 464 iface->conf->bss[j].bssid[i] ^ 465 hapd->own_addr[i]; 466 } 467 } 468 469 if (!auto_addr) 470 goto skip_mask_ext; 471 472 for (i = 0; i < ETH_ALEN && mask[i] == 0; i++) 473 ; 474 j = 0; 475 if (i < ETH_ALEN) { 476 j = (5 - i) * 8; 477 478 while (mask[i] != 0) { 479 mask[i] >>= 1; 480 j++; 481 } 482 } 483 484 if (bits < j) 485 bits = j; 486 487 if (bits > 40) { 488 wpa_printf(MSG_ERROR, "Too many bits in the BSSID mask (%u)", 489 bits); 490 return -1; 491 } 492 493 os_memset(mask, 0xff, ETH_ALEN); 494 j = bits / 8; 495 for (i = 5; i > 5 - j; i--) 496 mask[i] = 0; 497 j = bits % 8; 498 while (j--) 499 mask[i] <<= 1; 500 501 skip_mask_ext: 502 wpa_printf(MSG_DEBUG, "BSS count %lu, BSSID mask " MACSTR " (%d bits)", 503 (unsigned long) iface->conf->num_bss, MAC2STR(mask), bits); 504 505 if (!auto_addr) 506 return 0; 507 508 for (i = 0; i < ETH_ALEN; i++) { 509 if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) { 510 wpa_printf(MSG_ERROR, "Invalid BSSID mask " MACSTR 511 " for start address " MACSTR ".", 512 MAC2STR(mask), MAC2STR(hapd->own_addr)); 513 wpa_printf(MSG_ERROR, "Start address must be the " 514 "first address in the block (i.e., addr " 515 "AND mask == addr)."); 516 return -1; 517 } 518 } 519 520 return 0; 521 } 522 523 524 static int mac_in_conf(struct hostapd_config *conf, const void *a) 525 { 526 size_t i; 527 528 for (i = 0; i < conf->num_bss; i++) { 529 if (hostapd_mac_comp(conf->bss[i].bssid, a) == 0) { 530 return 1; 531 } 532 } 533 534 return 0; 535 } 536 537 538 #ifndef CONFIG_NO_RADIUS 539 540 static int hostapd_das_nas_mismatch(struct hostapd_data *hapd, 541 struct radius_das_attrs *attr) 542 { 543 /* TODO */ 544 return 0; 545 } 546 547 548 static struct sta_info * hostapd_das_find_sta(struct hostapd_data *hapd, 549 struct radius_das_attrs *attr) 550 { 551 struct sta_info *sta = NULL; 552 char buf[128]; 553 554 if (attr->sta_addr) 555 sta = ap_get_sta(hapd, attr->sta_addr); 556 557 if (sta == NULL && attr->acct_session_id && 558 attr->acct_session_id_len == 17) { 559 for (sta = hapd->sta_list; sta; sta = sta->next) { 560 os_snprintf(buf, sizeof(buf), "%08X-%08X", 561 sta->acct_session_id_hi, 562 sta->acct_session_id_lo); 563 if (os_memcmp(attr->acct_session_id, buf, 17) == 0) 564 break; 565 } 566 } 567 568 if (sta == NULL && attr->cui) { 569 for (sta = hapd->sta_list; sta; sta = sta->next) { 570 struct wpabuf *cui; 571 cui = ieee802_1x_get_radius_cui(sta->eapol_sm); 572 if (cui && wpabuf_len(cui) == attr->cui_len && 573 os_memcmp(wpabuf_head(cui), attr->cui, 574 attr->cui_len) == 0) 575 break; 576 } 577 } 578 579 if (sta == NULL && attr->user_name) { 580 for (sta = hapd->sta_list; sta; sta = sta->next) { 581 u8 *identity; 582 size_t identity_len; 583 identity = ieee802_1x_get_identity(sta->eapol_sm, 584 &identity_len); 585 if (identity && 586 identity_len == attr->user_name_len && 587 os_memcmp(identity, attr->user_name, identity_len) 588 == 0) 589 break; 590 } 591 } 592 593 return sta; 594 } 595 596 597 static enum radius_das_res 598 hostapd_das_disconnect(void *ctx, struct radius_das_attrs *attr) 599 { 600 struct hostapd_data *hapd = ctx; 601 struct sta_info *sta; 602 603 if (hostapd_das_nas_mismatch(hapd, attr)) 604 return RADIUS_DAS_NAS_MISMATCH; 605 606 sta = hostapd_das_find_sta(hapd, attr); 607 if (sta == NULL) 608 return RADIUS_DAS_SESSION_NOT_FOUND; 609 610 hostapd_drv_sta_deauth(hapd, sta->addr, 611 WLAN_REASON_PREV_AUTH_NOT_VALID); 612 ap_sta_deauthenticate(hapd, sta, WLAN_REASON_PREV_AUTH_NOT_VALID); 613 614 return RADIUS_DAS_SUCCESS; 615 } 616 617 #endif /* CONFIG_NO_RADIUS */ 618 619 620 /** 621 * hostapd_setup_bss - Per-BSS setup (initialization) 622 * @hapd: Pointer to BSS data 623 * @first: Whether this BSS is the first BSS of an interface 624 * 625 * This function is used to initialize all per-BSS data structures and 626 * resources. This gets called in a loop for each BSS when an interface is 627 * initialized. Most of the modules that are initialized here will be 628 * deinitialized in hostapd_cleanup(). 629 */ 630 static int hostapd_setup_bss(struct hostapd_data *hapd, int first) 631 { 632 struct hostapd_bss_config *conf = hapd->conf; 633 u8 ssid[HOSTAPD_MAX_SSID_LEN + 1]; 634 int ssid_len, set_ssid; 635 char force_ifname[IFNAMSIZ]; 636 u8 if_addr[ETH_ALEN]; 637 638 if (!first) { 639 if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) { 640 /* Allocate the next available BSSID. */ 641 do { 642 inc_byte_array(hapd->own_addr, ETH_ALEN); 643 } while (mac_in_conf(hapd->iconf, hapd->own_addr)); 644 } else { 645 /* Allocate the configured BSSID. */ 646 os_memcpy(hapd->own_addr, hapd->conf->bssid, ETH_ALEN); 647 648 if (hostapd_mac_comp(hapd->own_addr, 649 hapd->iface->bss[0]->own_addr) == 650 0) { 651 wpa_printf(MSG_ERROR, "BSS '%s' may not have " 652 "BSSID set to the MAC address of " 653 "the radio", hapd->conf->iface); 654 return -1; 655 } 656 } 657 658 hapd->interface_added = 1; 659 if (hostapd_if_add(hapd->iface->bss[0], WPA_IF_AP_BSS, 660 hapd->conf->iface, hapd->own_addr, hapd, 661 &hapd->drv_priv, force_ifname, if_addr, 662 hapd->conf->bridge[0] ? hapd->conf->bridge : 663 NULL)) { 664 wpa_printf(MSG_ERROR, "Failed to add BSS (BSSID=" 665 MACSTR ")", MAC2STR(hapd->own_addr)); 666 return -1; 667 } 668 } 669 670 if (conf->wmm_enabled < 0) 671 conf->wmm_enabled = hapd->iconf->ieee80211n; 672 673 hostapd_flush_old_stations(hapd, WLAN_REASON_PREV_AUTH_NOT_VALID); 674 hostapd_set_privacy(hapd, 0); 675 676 hostapd_broadcast_wep_clear(hapd); 677 if (hostapd_setup_encryption(hapd->conf->iface, hapd)) 678 return -1; 679 680 /* 681 * Fetch the SSID from the system and use it or, 682 * if one was specified in the config file, verify they 683 * match. 684 */ 685 ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid)); 686 if (ssid_len < 0) { 687 wpa_printf(MSG_ERROR, "Could not read SSID from system"); 688 return -1; 689 } 690 if (conf->ssid.ssid_set) { 691 /* 692 * If SSID is specified in the config file and it differs 693 * from what is being used then force installation of the 694 * new SSID. 695 */ 696 set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len || 697 os_memcmp(conf->ssid.ssid, ssid, ssid_len) != 0); 698 } else { 699 /* 700 * No SSID in the config file; just use the one we got 701 * from the system. 702 */ 703 set_ssid = 0; 704 conf->ssid.ssid_len = ssid_len; 705 os_memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len); 706 } 707 708 if (!hostapd_drv_none(hapd)) { 709 wpa_printf(MSG_ERROR, "Using interface %s with hwaddr " MACSTR 710 " and ssid \"%s\"", 711 hapd->conf->iface, MAC2STR(hapd->own_addr), 712 wpa_ssid_txt(hapd->conf->ssid.ssid, 713 hapd->conf->ssid.ssid_len)); 714 } 715 716 if (hostapd_setup_wpa_psk(conf)) { 717 wpa_printf(MSG_ERROR, "WPA-PSK setup failed."); 718 return -1; 719 } 720 721 /* Set SSID for the kernel driver (to be used in beacon and probe 722 * response frames) */ 723 if (set_ssid && hostapd_set_ssid(hapd, conf->ssid.ssid, 724 conf->ssid.ssid_len)) { 725 wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver"); 726 return -1; 727 } 728 729 if (wpa_debug_level == MSG_MSGDUMP) 730 conf->radius->msg_dumps = 1; 731 #ifndef CONFIG_NO_RADIUS 732 hapd->radius = radius_client_init(hapd, conf->radius); 733 if (hapd->radius == NULL) { 734 wpa_printf(MSG_ERROR, "RADIUS client initialization failed."); 735 return -1; 736 } 737 738 if (hapd->conf->radius_das_port) { 739 struct radius_das_conf das_conf; 740 os_memset(&das_conf, 0, sizeof(das_conf)); 741 das_conf.port = hapd->conf->radius_das_port; 742 das_conf.shared_secret = hapd->conf->radius_das_shared_secret; 743 das_conf.shared_secret_len = 744 hapd->conf->radius_das_shared_secret_len; 745 das_conf.client_addr = &hapd->conf->radius_das_client_addr; 746 das_conf.time_window = hapd->conf->radius_das_time_window; 747 das_conf.require_event_timestamp = 748 hapd->conf->radius_das_require_event_timestamp; 749 das_conf.ctx = hapd; 750 das_conf.disconnect = hostapd_das_disconnect; 751 hapd->radius_das = radius_das_init(&das_conf); 752 if (hapd->radius_das == NULL) { 753 wpa_printf(MSG_ERROR, "RADIUS DAS initialization " 754 "failed."); 755 return -1; 756 } 757 } 758 #endif /* CONFIG_NO_RADIUS */ 759 760 if (hostapd_acl_init(hapd)) { 761 wpa_printf(MSG_ERROR, "ACL initialization failed."); 762 return -1; 763 } 764 if (hostapd_init_wps(hapd, conf)) 765 return -1; 766 767 if (authsrv_init(hapd) < 0) 768 return -1; 769 770 if (ieee802_1x_init(hapd)) { 771 wpa_printf(MSG_ERROR, "IEEE 802.1X initialization failed."); 772 return -1; 773 } 774 775 if (hapd->conf->wpa && hostapd_setup_wpa(hapd)) 776 return -1; 777 778 if (accounting_init(hapd)) { 779 wpa_printf(MSG_ERROR, "Accounting initialization failed."); 780 return -1; 781 } 782 783 if (hapd->conf->ieee802_11f && 784 (hapd->iapp = iapp_init(hapd, hapd->conf->iapp_iface)) == NULL) { 785 wpa_printf(MSG_ERROR, "IEEE 802.11F (IAPP) initialization " 786 "failed."); 787 return -1; 788 } 789 790 #ifdef CONFIG_INTERWORKING 791 if (gas_serv_init(hapd)) { 792 wpa_printf(MSG_ERROR, "GAS server initialization failed"); 793 return -1; 794 } 795 #endif /* CONFIG_INTERWORKING */ 796 797 if (hapd->iface->interfaces && 798 hapd->iface->interfaces->ctrl_iface_init && 799 hapd->iface->interfaces->ctrl_iface_init(hapd)) { 800 wpa_printf(MSG_ERROR, "Failed to setup control interface"); 801 return -1; 802 } 803 804 if (!hostapd_drv_none(hapd) && vlan_init(hapd)) { 805 wpa_printf(MSG_ERROR, "VLAN initialization failed."); 806 return -1; 807 } 808 809 ieee802_11_set_beacon(hapd); 810 811 if (hapd->wpa_auth && wpa_init_keys(hapd->wpa_auth) < 0) 812 return -1; 813 814 if (hapd->driver && hapd->driver->set_operstate) 815 hapd->driver->set_operstate(hapd->drv_priv, 1); 816 817 return 0; 818 } 819 820 821 static void hostapd_tx_queue_params(struct hostapd_iface *iface) 822 { 823 struct hostapd_data *hapd = iface->bss[0]; 824 int i; 825 struct hostapd_tx_queue_params *p; 826 827 for (i = 0; i < NUM_TX_QUEUES; i++) { 828 p = &iface->conf->tx_queue[i]; 829 830 if (hostapd_set_tx_queue_params(hapd, i, p->aifs, p->cwmin, 831 p->cwmax, p->burst)) { 832 wpa_printf(MSG_DEBUG, "Failed to set TX queue " 833 "parameters for queue %d.", i); 834 /* Continue anyway */ 835 } 836 } 837 } 838 839 840 static int setup_interface(struct hostapd_iface *iface) 841 { 842 struct hostapd_data *hapd = iface->bss[0]; 843 size_t i; 844 char country[4]; 845 846 /* 847 * Make sure that all BSSes get configured with a pointer to the same 848 * driver interface. 849 */ 850 for (i = 1; i < iface->num_bss; i++) { 851 iface->bss[i]->driver = hapd->driver; 852 iface->bss[i]->drv_priv = hapd->drv_priv; 853 } 854 855 if (hostapd_validate_bssid_configuration(iface)) 856 return -1; 857 858 if (hapd->iconf->country[0] && hapd->iconf->country[1]) { 859 os_memcpy(country, hapd->iconf->country, 3); 860 country[3] = '\0'; 861 if (hostapd_set_country(hapd, country) < 0) { 862 wpa_printf(MSG_ERROR, "Failed to set country code"); 863 return -1; 864 } 865 } 866 867 if (hostapd_get_hw_features(iface)) { 868 /* Not all drivers support this yet, so continue without hw 869 * feature data. */ 870 } else { 871 int ret = hostapd_select_hw_mode(iface); 872 if (ret < 0) { 873 wpa_printf(MSG_ERROR, "Could not select hw_mode and " 874 "channel. (%d)", ret); 875 return -1; 876 } 877 ret = hostapd_check_ht_capab(iface); 878 if (ret < 0) 879 return -1; 880 if (ret == 1) { 881 wpa_printf(MSG_DEBUG, "Interface initialization will " 882 "be completed in a callback"); 883 return 0; 884 } 885 } 886 return hostapd_setup_interface_complete(iface, 0); 887 } 888 889 890 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err) 891 { 892 struct hostapd_data *hapd = iface->bss[0]; 893 size_t j; 894 u8 *prev_addr; 895 896 if (err) { 897 wpa_printf(MSG_ERROR, "Interface initialization failed"); 898 eloop_terminate(); 899 return -1; 900 } 901 902 wpa_printf(MSG_DEBUG, "Completing interface initialization"); 903 if (hapd->iconf->channel) { 904 iface->freq = hostapd_hw_get_freq(hapd, hapd->iconf->channel); 905 wpa_printf(MSG_DEBUG, "Mode: %s Channel: %d " 906 "Frequency: %d MHz", 907 hostapd_hw_mode_txt(hapd->iconf->hw_mode), 908 hapd->iconf->channel, iface->freq); 909 910 if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq, 911 hapd->iconf->channel, 912 hapd->iconf->ieee80211n, 913 hapd->iconf->ieee80211ac, 914 hapd->iconf->secondary_channel, 915 hapd->iconf->vht_oper_chwidth, 916 hapd->iconf->vht_oper_centr_freq_seg0_idx, 917 hapd->iconf->vht_oper_centr_freq_seg1_idx)) { 918 wpa_printf(MSG_ERROR, "Could not set channel for " 919 "kernel driver"); 920 return -1; 921 } 922 } 923 924 if (iface->current_mode) { 925 if (hostapd_prepare_rates(iface, iface->current_mode)) { 926 wpa_printf(MSG_ERROR, "Failed to prepare rates " 927 "table."); 928 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 929 HOSTAPD_LEVEL_WARNING, 930 "Failed to prepare rates table."); 931 return -1; 932 } 933 } 934 935 if (hapd->iconf->rts_threshold > -1 && 936 hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) { 937 wpa_printf(MSG_ERROR, "Could not set RTS threshold for " 938 "kernel driver"); 939 return -1; 940 } 941 942 if (hapd->iconf->fragm_threshold > -1 && 943 hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) { 944 wpa_printf(MSG_ERROR, "Could not set fragmentation threshold " 945 "for kernel driver"); 946 return -1; 947 } 948 949 prev_addr = hapd->own_addr; 950 951 for (j = 0; j < iface->num_bss; j++) { 952 hapd = iface->bss[j]; 953 if (j) 954 os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN); 955 if (hostapd_setup_bss(hapd, j == 0)) 956 return -1; 957 if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) 958 prev_addr = hapd->own_addr; 959 } 960 961 hostapd_tx_queue_params(iface); 962 963 ap_list_init(iface); 964 965 if (hostapd_driver_commit(hapd) < 0) { 966 wpa_printf(MSG_ERROR, "%s: Failed to commit driver " 967 "configuration", __func__); 968 return -1; 969 } 970 971 /* 972 * WPS UPnP module can be initialized only when the "upnp_iface" is up. 973 * If "interface" and "upnp_iface" are the same (e.g., non-bridge 974 * mode), the interface is up only after driver_commit, so initialize 975 * WPS after driver_commit. 976 */ 977 for (j = 0; j < iface->num_bss; j++) { 978 if (hostapd_init_wps_complete(iface->bss[j])) 979 return -1; 980 } 981 982 if (hapd->setup_complete_cb) 983 hapd->setup_complete_cb(hapd->setup_complete_cb_ctx); 984 985 wpa_printf(MSG_DEBUG, "%s: Setup of interface done.", 986 iface->bss[0]->conf->iface); 987 988 return 0; 989 } 990 991 992 /** 993 * hostapd_setup_interface - Setup of an interface 994 * @iface: Pointer to interface data. 995 * Returns: 0 on success, -1 on failure 996 * 997 * Initializes the driver interface, validates the configuration, 998 * and sets driver parameters based on the configuration. 999 * Flushes old stations, sets the channel, encryption, 1000 * beacons, and WDS links based on the configuration. 1001 */ 1002 int hostapd_setup_interface(struct hostapd_iface *iface) 1003 { 1004 int ret; 1005 1006 ret = setup_interface(iface); 1007 if (ret) { 1008 wpa_printf(MSG_ERROR, "%s: Unable to setup interface.", 1009 iface->bss[0]->conf->iface); 1010 return -1; 1011 } 1012 1013 return 0; 1014 } 1015 1016 1017 /** 1018 * hostapd_alloc_bss_data - Allocate and initialize per-BSS data 1019 * @hapd_iface: Pointer to interface data 1020 * @conf: Pointer to per-interface configuration 1021 * @bss: Pointer to per-BSS configuration for this BSS 1022 * Returns: Pointer to allocated BSS data 1023 * 1024 * This function is used to allocate per-BSS data structure. This data will be 1025 * freed after hostapd_cleanup() is called for it during interface 1026 * deinitialization. 1027 */ 1028 struct hostapd_data * 1029 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface, 1030 struct hostapd_config *conf, 1031 struct hostapd_bss_config *bss) 1032 { 1033 struct hostapd_data *hapd; 1034 1035 hapd = os_zalloc(sizeof(*hapd)); 1036 if (hapd == NULL) 1037 return NULL; 1038 1039 hapd->new_assoc_sta_cb = hostapd_new_assoc_sta; 1040 hapd->iconf = conf; 1041 hapd->conf = bss; 1042 hapd->iface = hapd_iface; 1043 hapd->driver = hapd->iconf->driver; 1044 hapd->ctrl_sock = -1; 1045 1046 return hapd; 1047 } 1048 1049 1050 void hostapd_interface_deinit(struct hostapd_iface *iface) 1051 { 1052 size_t j; 1053 1054 if (iface == NULL) 1055 return; 1056 1057 hostapd_cleanup_iface_pre(iface); 1058 for (j = 0; j < iface->num_bss; j++) { 1059 struct hostapd_data *hapd = iface->bss[j]; 1060 hostapd_free_stas(hapd); 1061 hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING); 1062 hostapd_clear_wep(hapd); 1063 hostapd_cleanup(hapd); 1064 } 1065 } 1066 1067 1068 void hostapd_interface_free(struct hostapd_iface *iface) 1069 { 1070 size_t j; 1071 for (j = 0; j < iface->num_bss; j++) 1072 os_free(iface->bss[j]); 1073 hostapd_cleanup_iface(iface); 1074 } 1075 1076 1077 #ifdef HOSTAPD 1078 1079 void hostapd_interface_deinit_free(struct hostapd_iface *iface) 1080 { 1081 const struct wpa_driver_ops *driver; 1082 void *drv_priv; 1083 if (iface == NULL) 1084 return; 1085 driver = iface->bss[0]->driver; 1086 drv_priv = iface->bss[0]->drv_priv; 1087 hostapd_interface_deinit(iface); 1088 if (driver && driver->hapd_deinit && drv_priv) 1089 driver->hapd_deinit(drv_priv); 1090 hostapd_interface_free(iface); 1091 } 1092 1093 1094 int hostapd_enable_iface(struct hostapd_iface *hapd_iface) 1095 { 1096 if (hapd_iface->bss[0]->drv_priv != NULL) { 1097 wpa_printf(MSG_ERROR, "Interface %s already enabled", 1098 hapd_iface->conf->bss[0].iface); 1099 return -1; 1100 } 1101 1102 wpa_printf(MSG_DEBUG, "Enable interface %s", 1103 hapd_iface->conf->bss[0].iface); 1104 1105 if (hapd_iface->interfaces == NULL || 1106 hapd_iface->interfaces->driver_init == NULL || 1107 hapd_iface->interfaces->driver_init(hapd_iface) || 1108 hostapd_setup_interface(hapd_iface)) { 1109 hostapd_interface_deinit_free(hapd_iface); 1110 return -1; 1111 } 1112 return 0; 1113 } 1114 1115 1116 int hostapd_reload_iface(struct hostapd_iface *hapd_iface) 1117 { 1118 size_t j; 1119 1120 wpa_printf(MSG_DEBUG, "Reload interface %s", 1121 hapd_iface->conf->bss[0].iface); 1122 for (j = 0; j < hapd_iface->num_bss; j++) { 1123 hostapd_flush_old_stations(hapd_iface->bss[j], 1124 WLAN_REASON_PREV_AUTH_NOT_VALID); 1125 1126 #ifndef CONFIG_NO_RADIUS 1127 /* TODO: update dynamic data based on changed configuration 1128 * items (e.g., open/close sockets, etc.) */ 1129 radius_client_flush(hapd_iface->bss[j]->radius, 0); 1130 #endif /* CONFIG_NO_RADIUS */ 1131 1132 hostapd_reload_bss(hapd_iface->bss[j]); 1133 } 1134 return 0; 1135 } 1136 1137 1138 int hostapd_disable_iface(struct hostapd_iface *hapd_iface) 1139 { 1140 size_t j; 1141 struct hostapd_bss_config *bss; 1142 const struct wpa_driver_ops *driver; 1143 void *drv_priv; 1144 1145 if (hapd_iface == NULL) 1146 return -1; 1147 bss = hapd_iface->bss[0]->conf; 1148 driver = hapd_iface->bss[0]->driver; 1149 drv_priv = hapd_iface->bss[0]->drv_priv; 1150 1151 /* whatever hostapd_interface_deinit does */ 1152 for (j = 0; j < hapd_iface->num_bss; j++) { 1153 struct hostapd_data *hapd = hapd_iface->bss[j]; 1154 hostapd_free_stas(hapd); 1155 hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING); 1156 hostapd_clear_wep(hapd); 1157 hostapd_free_hapd_data(hapd); 1158 } 1159 1160 if (driver && driver->hapd_deinit && drv_priv) { 1161 driver->hapd_deinit(drv_priv); 1162 hapd_iface->bss[0]->drv_priv = NULL; 1163 } 1164 1165 /* From hostapd_cleanup_iface: These were initialized in 1166 * hostapd_setup_interface and hostapd_setup_interface_complete 1167 */ 1168 hostapd_cleanup_iface_partial(hapd_iface); 1169 bss->wpa = 0; 1170 bss->wpa_key_mgmt = -1; 1171 bss->wpa_pairwise = -1; 1172 1173 wpa_printf(MSG_DEBUG, "Interface %s disabled", bss->iface); 1174 return 0; 1175 } 1176 1177 1178 static struct hostapd_iface * 1179 hostapd_iface_alloc(struct hapd_interfaces *interfaces) 1180 { 1181 struct hostapd_iface **iface, *hapd_iface; 1182 1183 iface = os_realloc_array(interfaces->iface, interfaces->count + 1, 1184 sizeof(struct hostapd_iface *)); 1185 if (iface == NULL) 1186 return NULL; 1187 interfaces->iface = iface; 1188 hapd_iface = interfaces->iface[interfaces->count] = 1189 os_zalloc(sizeof(*hapd_iface)); 1190 if (hapd_iface == NULL) { 1191 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for " 1192 "the interface", __func__); 1193 return NULL; 1194 } 1195 interfaces->count++; 1196 hapd_iface->interfaces = interfaces; 1197 1198 return hapd_iface; 1199 } 1200 1201 1202 static struct hostapd_config * 1203 hostapd_config_alloc(struct hapd_interfaces *interfaces, const char *ifname, 1204 const char *ctrl_iface) 1205 { 1206 struct hostapd_bss_config *bss; 1207 struct hostapd_config *conf; 1208 1209 /* Allocates memory for bss and conf */ 1210 conf = hostapd_config_defaults(); 1211 if (conf == NULL) { 1212 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for " 1213 "configuration", __func__); 1214 return NULL; 1215 } 1216 1217 conf->driver = wpa_drivers[0]; 1218 if (conf->driver == NULL) { 1219 wpa_printf(MSG_ERROR, "No driver wrappers registered!"); 1220 hostapd_config_free(conf); 1221 return NULL; 1222 } 1223 1224 bss = conf->last_bss = conf->bss; 1225 1226 os_strlcpy(bss->iface, ifname, sizeof(bss->iface)); 1227 bss->ctrl_interface = os_strdup(ctrl_iface); 1228 if (bss->ctrl_interface == NULL) { 1229 hostapd_config_free(conf); 1230 return NULL; 1231 } 1232 1233 /* Reading configuration file skipped, will be done in SET! 1234 * From reading the configuration till the end has to be done in 1235 * SET 1236 */ 1237 return conf; 1238 } 1239 1240 1241 static struct hostapd_iface * hostapd_data_alloc( 1242 struct hapd_interfaces *interfaces, struct hostapd_config *conf) 1243 { 1244 size_t i; 1245 struct hostapd_iface *hapd_iface = 1246 interfaces->iface[interfaces->count - 1]; 1247 struct hostapd_data *hapd; 1248 1249 hapd_iface->conf = conf; 1250 hapd_iface->num_bss = conf->num_bss; 1251 1252 hapd_iface->bss = os_zalloc(conf->num_bss * 1253 sizeof(struct hostapd_data *)); 1254 if (hapd_iface->bss == NULL) 1255 return NULL; 1256 1257 for (i = 0; i < conf->num_bss; i++) { 1258 hapd = hapd_iface->bss[i] = 1259 hostapd_alloc_bss_data(hapd_iface, conf, 1260 &conf->bss[i]); 1261 if (hapd == NULL) 1262 return NULL; 1263 hapd->msg_ctx = hapd; 1264 } 1265 1266 hapd_iface->interfaces = interfaces; 1267 1268 return hapd_iface; 1269 } 1270 1271 1272 int hostapd_add_iface(struct hapd_interfaces *interfaces, char *buf) 1273 { 1274 struct hostapd_config *conf = NULL; 1275 struct hostapd_iface *hapd_iface = NULL; 1276 char *ptr; 1277 size_t i; 1278 1279 ptr = os_strchr(buf, ' '); 1280 if (ptr == NULL) 1281 return -1; 1282 *ptr++ = '\0'; 1283 1284 for (i = 0; i < interfaces->count; i++) { 1285 if (!os_strcmp(interfaces->iface[i]->conf->bss[0].iface, 1286 buf)) { 1287 wpa_printf(MSG_INFO, "Cannot add interface - it " 1288 "already exists"); 1289 return -1; 1290 } 1291 } 1292 1293 hapd_iface = hostapd_iface_alloc(interfaces); 1294 if (hapd_iface == NULL) { 1295 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory " 1296 "for interface", __func__); 1297 goto fail; 1298 } 1299 1300 conf = hostapd_config_alloc(interfaces, buf, ptr); 1301 if (conf == NULL) { 1302 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory " 1303 "for configuration", __func__); 1304 goto fail; 1305 } 1306 1307 hapd_iface = hostapd_data_alloc(interfaces, conf); 1308 if (hapd_iface == NULL) { 1309 wpa_printf(MSG_ERROR, "%s: Failed to allocate memory " 1310 "for hostapd", __func__); 1311 goto fail; 1312 } 1313 1314 if (hapd_iface->interfaces && 1315 hapd_iface->interfaces->ctrl_iface_init && 1316 hapd_iface->interfaces->ctrl_iface_init(hapd_iface->bss[0])) { 1317 wpa_printf(MSG_ERROR, "%s: Failed to setup control " 1318 "interface", __func__); 1319 goto fail; 1320 } 1321 wpa_printf(MSG_INFO, "Add interface '%s'", conf->bss[0].iface); 1322 1323 return 0; 1324 1325 fail: 1326 if (conf) 1327 hostapd_config_free(conf); 1328 if (hapd_iface) { 1329 os_free(hapd_iface->bss[interfaces->count]); 1330 os_free(hapd_iface); 1331 } 1332 return -1; 1333 } 1334 1335 1336 int hostapd_remove_iface(struct hapd_interfaces *interfaces, char *buf) 1337 { 1338 struct hostapd_iface *hapd_iface; 1339 size_t i, k = 0; 1340 1341 for (i = 0; i < interfaces->count; i++) { 1342 hapd_iface = interfaces->iface[i]; 1343 if (hapd_iface == NULL) 1344 return -1; 1345 if (!os_strcmp(hapd_iface->conf->bss[0].iface, buf)) { 1346 wpa_printf(MSG_INFO, "Remove interface '%s'", buf); 1347 hostapd_interface_deinit_free(hapd_iface); 1348 k = i; 1349 while (k < (interfaces->count - 1)) { 1350 interfaces->iface[k] = 1351 interfaces->iface[k + 1]; 1352 k++; 1353 } 1354 interfaces->count--; 1355 return 0; 1356 } 1357 } 1358 return -1; 1359 } 1360 1361 #endif /* HOSTAPD */ 1362 1363 1364 /** 1365 * hostapd_new_assoc_sta - Notify that a new station associated with the AP 1366 * @hapd: Pointer to BSS data 1367 * @sta: Pointer to the associated STA data 1368 * @reassoc: 1 to indicate this was a re-association; 0 = first association 1369 * 1370 * This function will be called whenever a station associates with the AP. It 1371 * can be called from ieee802_11.c for drivers that export MLME to hostapd and 1372 * from drv_callbacks.c based on driver events for drivers that take care of 1373 * management frames (IEEE 802.11 authentication and association) internally. 1374 */ 1375 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta, 1376 int reassoc) 1377 { 1378 if (hapd->tkip_countermeasures) { 1379 hostapd_drv_sta_deauth(hapd, sta->addr, 1380 WLAN_REASON_MICHAEL_MIC_FAILURE); 1381 return; 1382 } 1383 1384 hostapd_prune_associations(hapd, sta->addr); 1385 1386 /* IEEE 802.11F (IAPP) */ 1387 if (hapd->conf->ieee802_11f) 1388 iapp_new_station(hapd->iapp, sta); 1389 1390 #ifdef CONFIG_P2P 1391 if (sta->p2p_ie == NULL && !sta->no_p2p_set) { 1392 sta->no_p2p_set = 1; 1393 hapd->num_sta_no_p2p++; 1394 if (hapd->num_sta_no_p2p == 1) 1395 hostapd_p2p_non_p2p_sta_connected(hapd); 1396 } 1397 #endif /* CONFIG_P2P */ 1398 1399 /* Start accounting here, if IEEE 802.1X and WPA are not used. 1400 * IEEE 802.1X/WPA code will start accounting after the station has 1401 * been authorized. */ 1402 if (!hapd->conf->ieee802_1x && !hapd->conf->wpa) { 1403 os_get_time(&sta->connected_time); 1404 accounting_sta_start(hapd, sta); 1405 } 1406 1407 /* Start IEEE 802.1X authentication process for new stations */ 1408 ieee802_1x_new_station(hapd, sta); 1409 if (reassoc) { 1410 if (sta->auth_alg != WLAN_AUTH_FT && 1411 !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS))) 1412 wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH); 1413 } else 1414 wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm); 1415 1416 wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout " 1417 "for " MACSTR " (%d seconds - ap_max_inactivity)", 1418 __func__, MAC2STR(sta->addr), 1419 hapd->conf->ap_max_inactivity); 1420 eloop_cancel_timeout(ap_handle_timer, hapd, sta); 1421 eloop_register_timeout(hapd->conf->ap_max_inactivity, 0, 1422 ap_handle_timer, hapd, sta); 1423 } 1424
