src/ap/sta_info.c

   1 /*
   2  * hostapd / Station table
   3  * Copyright (c) 2002-2013, 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 "common/ieee802_11_defs.h"
  14 #include "common/wpa_ctrl.h"
  15 #include "common/sae.h"
  16 #include "radius/radius.h"
  17 #include "radius/radius_client.h"
  18 #include "p2p/p2p.h"
  19 #include "hostapd.h"
  20 #include "accounting.h"
  21 #include "ieee802_1x.h"
  22 #include "ieee802_11.h"
  23 #include "ieee802_11_auth.h"
  24 #include "wpa_auth.h"
  25 #include "preauth_auth.h"
  26 #include "ap_config.h"
  27 #include "beacon.h"
  28 #include "ap_mlme.h"
  29 #include "vlan_init.h"
  30 #include "p2p_hostapd.h"
  31 #include "ap_drv_ops.h"
  32 #include "gas_serv.h"
  33 #include "wnm_ap.h"
  34 #include "ndisc_snoop.h"
  35 #include "sta_info.h"
  36
  37 static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
  38                                        struct sta_info *sta);
  39 static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx);
  40 static void ap_handle_session_warning_timer(void *eloop_ctx, void *timeout_ctx);
  41 static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx);
  42 static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx);
  43 #ifdef CONFIG_IEEE80211W
  44 static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx);
  45 #endif /* CONFIG_IEEE80211W */
  46 static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta);
  47
  48 int ap_for_each_sta(struct hostapd_data *hapd,
  49                     int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
  50                               void *ctx),
  51                     void *ctx)
  52 {
  53         struct sta_info *sta;
  54
  55         for (sta = hapd->sta_list; sta; sta = sta->next) {
  56                 if (cb(hapd, sta, ctx))
  57                         return 1;
  58         }
  59
  60         return 0;
  61 }
  62
  63
  64 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta)
  65 {
  66         struct sta_info *s;
  67
  68         s = hapd->sta_hash[STA_HASH(sta)];
  69         while (s != NULL && os_memcmp(s->addr, sta, 6) != 0)
  70                 s = s->hnext;
  71         return s;
  72 }
  73
  74
  75 #ifdef CONFIG_P2P
  76 struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr)
  77 {
  78         struct sta_info *sta;
  79
  80         for (sta = hapd->sta_list; sta; sta = sta->next) {
  81                 const u8 *p2p_dev_addr;
  82
  83                 if (sta->p2p_ie == NULL)
  84                         continue;
  85
  86                 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
  87                 if (p2p_dev_addr == NULL)
  88                         continue;
  89
  90                 if (os_memcmp(p2p_dev_addr, addr, ETH_ALEN) == 0)
  91                         return sta;
  92         }
  93
  94         return NULL;
  95 }
  96 #endif /* CONFIG_P2P */
  97
  98
  99 static void ap_sta_list_del(struct hostapd_data *hapd, struct sta_info *sta)
 100 {
 101         struct sta_info *tmp;
 102
 103         if (hapd->sta_list == sta) {
 104                 hapd->sta_list = sta->next;
 105                 return;
 106         }
 107
 108         tmp = hapd->sta_list;
 109         while (tmp != NULL && tmp->next != sta)
 110                 tmp = tmp->next;
 111         if (tmp == NULL) {
 112                 wpa_printf(MSG_DEBUG, "Could not remove STA " MACSTR " from "
 113                            "list.", MAC2STR(sta->addr));
 114         } else
 115                 tmp->next = sta->next;
 116 }
 117
 118
 119 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta)
 120 {
 121         sta->hnext = hapd->sta_hash[STA_HASH(sta->addr)];
 122         hapd->sta_hash[STA_HASH(sta->addr)] = sta;
 123 }
 124
 125
 126 static void ap_sta_hash_del(struct hostapd_data *hapd, struct sta_info *sta)
 127 {
 128         struct sta_info *s;
 129
 130         s = hapd->sta_hash[STA_HASH(sta->addr)];
 131         if (s == NULL) return;
 132         if (os_memcmp(s->addr, sta->addr, 6) == 0) {
 133                 hapd->sta_hash[STA_HASH(sta->addr)] = s->hnext;
 134                 return;
 135         }
 136
 137         while (s->hnext != NULL &&
 138                os_memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0)
 139                 s = s->hnext;
 140         if (s->hnext != NULL)
 141                 s->hnext = s->hnext->hnext;
 142         else
 143                 wpa_printf(MSG_DEBUG, "AP: could not remove STA " MACSTR
 144                            " from hash table", MAC2STR(sta->addr));
 145 }
 146
 147
 148 void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta)
 149 {
 150         sta_ip6addr_del(hapd, sta);
 151 }
 152
 153
 154 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
 155 {
 156         int set_beacon = 0;
 157
 158         accounting_sta_stop(hapd, sta);
 159
 160         /* just in case */
 161         ap_sta_set_authorized(hapd, sta, 0);
 162
 163         if (sta->flags & WLAN_STA_WDS)
 164                 hostapd_set_wds_sta(hapd, NULL, sta->addr, sta->aid, 0);
 165
 166         if (sta->ipaddr)
 167                 hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
 168         ap_sta_ip6addr_del(hapd, sta);
 169
 170         if (!hapd->iface->driver_ap_teardown &&
 171             !(sta->flags & WLAN_STA_PREAUTH))
 172                 hostapd_drv_sta_remove(hapd, sta->addr);
 173
 174         ap_sta_hash_del(hapd, sta);
 175         ap_sta_list_del(hapd, sta);
 176
 177         if (sta->aid > 0)
 178                 hapd->sta_aid[(sta->aid - 1) / 32] &=
 179                         ~BIT((sta->aid - 1) % 32);
 180
 181         hapd->num_sta--;
 182         if (sta->nonerp_set) {
 183                 sta->nonerp_set = 0;
 184                 hapd->iface->num_sta_non_erp--;
 185                 if (hapd->iface->num_sta_non_erp == 0)
 186                         set_beacon++;
 187         }
 188
 189         if (sta->no_short_slot_time_set) {
 190                 sta->no_short_slot_time_set = 0;
 191                 hapd->iface->num_sta_no_short_slot_time--;
 192                 if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
 193                     && hapd->iface->num_sta_no_short_slot_time == 0)
 194                         set_beacon++;
 195         }
 196
 197         if (sta->no_short_preamble_set) {
 198                 sta->no_short_preamble_set = 0;
 199                 hapd->iface->num_sta_no_short_preamble--;
 200                 if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
 201                     && hapd->iface->num_sta_no_short_preamble == 0)
 202                         set_beacon++;
 203         }
 204
 205         if (sta->no_ht_gf_set) {
 206                 sta->no_ht_gf_set = 0;
 207                 hapd->iface->num_sta_ht_no_gf--;
 208         }
 209
 210         if (sta->no_ht_set) {
 211                 sta->no_ht_set = 0;
 212                 hapd->iface->num_sta_no_ht--;
 213         }
 214
 215         if (sta->ht_20mhz_set) {
 216                 sta->ht_20mhz_set = 0;
 217                 hapd->iface->num_sta_ht_20mhz--;
 218         }
 219
 220 #ifdef CONFIG_IEEE80211N
 221         ht40_intolerant_remove(hapd->iface, sta);
 222 #endif /* CONFIG_IEEE80211N */
 223
 224 #ifdef CONFIG_P2P
 225         if (sta->no_p2p_set) {
 226                 sta->no_p2p_set = 0;
 227                 hapd->num_sta_no_p2p--;
 228                 if (hapd->num_sta_no_p2p == 0)
 229                         hostapd_p2p_non_p2p_sta_disconnected(hapd);
 230         }
 231 #endif /* CONFIG_P2P */
 232
 233 #if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
 234         if (hostapd_ht_operation_update(hapd->iface) > 0)
 235                 set_beacon++;
 236 #endif /* NEED_AP_MLME && CONFIG_IEEE80211N */
 237
 238 #ifdef CONFIG_MESH
 239         if (hapd->mesh_sta_free_cb)
 240                 hapd->mesh_sta_free_cb(sta);
 241 #endif /* CONFIG_MESH */
 242
 243         if (set_beacon)
 244                 ieee802_11_set_beacons(hapd->iface);
 245
 246         wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR,
 247                    __func__, MAC2STR(sta->addr));
 248         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 249         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 250         eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
 251         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
 252         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
 253         sae_clear_retransmit_timer(hapd, sta);
 254
 255         ieee802_1x_free_station(sta);
 256         wpa_auth_sta_deinit(sta->wpa_sm);
 257         rsn_preauth_free_station(hapd, sta);
 258 #ifndef CONFIG_NO_RADIUS
 259         if (hapd->radius)
 260                 radius_client_flush_auth(hapd->radius, sta->addr);
 261 #endif /* CONFIG_NO_RADIUS */
 262
 263         os_free(sta->challenge);
 264
 265 #ifdef CONFIG_IEEE80211W
 266         os_free(sta->sa_query_trans_id);
 267         eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 268 #endif /* CONFIG_IEEE80211W */
 269
 270 #ifdef CONFIG_P2P
 271         p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
 272 #endif /* CONFIG_P2P */
 273
 274 #ifdef CONFIG_INTERWORKING
 275         if (sta->gas_dialog) {
 276                 int i;
 277                 for (i = 0; i < GAS_DIALOG_MAX; i++)
 278                         gas_serv_dialog_clear(&sta->gas_dialog[i]);
 279                 os_free(sta->gas_dialog);
 280         }
 281 #endif /* CONFIG_INTERWORKING */
 282
 283         wpabuf_free(sta->wps_ie);
 284         wpabuf_free(sta->p2p_ie);
 285         wpabuf_free(sta->hs20_ie);
 286
 287         os_free(sta->ht_capabilities);
 288         os_free(sta->vht_capabilities);
 289         hostapd_free_psk_list(sta->psk);
 290         os_free(sta->identity);
 291         os_free(sta->radius_cui);
 292         os_free(sta->remediation_url);
 293         wpabuf_free(sta->hs20_deauth_req);
 294         os_free(sta->hs20_session_info_url);
 295
 296 #ifdef CONFIG_SAE
 297         sae_clear_data(sta->sae);
 298         os_free(sta->sae);
 299 #endif /* CONFIG_SAE */
 300
 301         os_free(sta);
 302 }
 303
 304
 305 void hostapd_free_stas(struct hostapd_data *hapd)
 306 {
 307         struct sta_info *sta, *prev;
 308
 309         sta = hapd->sta_list;
 310
 311         while (sta) {
 312                 prev = sta;
 313                 if (sta->flags & WLAN_STA_AUTH) {
 314                         mlme_deauthenticate_indication(
 315                                 hapd, sta, WLAN_REASON_UNSPECIFIED);
 316                 }
 317                 sta = sta->next;
 318                 wpa_printf(MSG_DEBUG, "Removing station " MACSTR,
 319                            MAC2STR(prev->addr));
 320                 ap_free_sta(hapd, prev);
 321         }
 322 }
 323
 324
 325 /**
 326  * ap_handle_timer - Per STA timer handler
 327  * @eloop_ctx: struct hostapd_data *
 328  * @timeout_ctx: struct sta_info *
 329  *
 330  * This function is called to check station activity and to remove inactive
 331  * stations.
 332  */
 333 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx)
 334 {
 335         struct hostapd_data *hapd = eloop_ctx;
 336         struct sta_info *sta = timeout_ctx;
 337         unsigned long next_time = 0;
 338         int reason;
 339
 340         wpa_printf(MSG_DEBUG, "%s: " MACSTR " flags=0x%x timeout_next=%d",
 341                    __func__, MAC2STR(sta->addr), sta->flags,
 342                    sta->timeout_next);
 343         if (sta->timeout_next == STA_REMOVE) {
 344                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 345                                HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 346                                "local deauth request");
 347                 ap_free_sta(hapd, sta);
 348                 return;
 349         }
 350
 351         if ((sta->flags & WLAN_STA_ASSOC) &&
 352             (sta->timeout_next == STA_NULLFUNC ||
 353              sta->timeout_next == STA_DISASSOC)) {
 354                 int inactive_sec;
 355                 /*
 356                  * Add random value to timeout so that we don't end up bouncing
 357                  * all stations at the same time if we have lots of associated
 358                  * stations that are idle (but keep re-associating).
 359                  */
 360                 int fuzz = os_random() % 20;
 361                 inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr);
 362                 if (inactive_sec == -1) {
 363                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 364                                 "Check inactivity: Could not "
 365                                 "get station info from kernel driver for "
 366                                 MACSTR, MAC2STR(sta->addr));
 367                         /*
 368                          * The driver may not support this functionality.
 369                          * Anyway, try again after the next inactivity timeout,
 370                          * but do not disconnect the station now.
 371                          */
 372                         next_time = hapd->conf->ap_max_inactivity + fuzz;
 373                 } else if (inactive_sec < hapd->conf->ap_max_inactivity &&
 374                            sta->flags & WLAN_STA_ASSOC) {
 375                         /* station activity detected; reset timeout state */
 376                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 377                                 "Station " MACSTR " has been active %is ago",
 378                                 MAC2STR(sta->addr), inactive_sec);
 379                         sta->timeout_next = STA_NULLFUNC;
 380                         next_time = hapd->conf->ap_max_inactivity + fuzz -
 381                                 inactive_sec;
 382                 } else {
 383                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 384                                 "Station " MACSTR " has been "
 385                                 "inactive too long: %d sec, max allowed: %d",
 386                                 MAC2STR(sta->addr), inactive_sec,
 387                                 hapd->conf->ap_max_inactivity);
 388
 389                         if (hapd->conf->skip_inactivity_poll)
 390                                 sta->timeout_next = STA_DISASSOC;
 391                 }
 392         }
 393
 394         if ((sta->flags & WLAN_STA_ASSOC) &&
 395             sta->timeout_next == STA_DISASSOC &&
 396             !(sta->flags & WLAN_STA_PENDING_POLL) &&
 397             !hapd->conf->skip_inactivity_poll) {
 398                 wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR
 399                         " has ACKed data poll", MAC2STR(sta->addr));
 400                 /* data nullfunc frame poll did not produce TX errors; assume
 401                  * station ACKed it */
 402                 sta->timeout_next = STA_NULLFUNC;
 403                 next_time = hapd->conf->ap_max_inactivity;
 404         }
 405
 406         if (next_time) {
 407                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 408                            "for " MACSTR " (%lu seconds)",
 409                            __func__, MAC2STR(sta->addr), next_time);
 410                 eloop_register_timeout(next_time, 0, ap_handle_timer, hapd,
 411                                        sta);
 412                 return;
 413         }
 414
 415         if (sta->timeout_next == STA_NULLFUNC &&
 416             (sta->flags & WLAN_STA_ASSOC)) {
 417                 wpa_printf(MSG_DEBUG, "  Polling STA");
 418                 sta->flags |= WLAN_STA_PENDING_POLL;
 419                 hostapd_drv_poll_client(hapd, hapd->own_addr, sta->addr,
 420                                         sta->flags & WLAN_STA_WMM);
 421         } else if (sta->timeout_next != STA_REMOVE) {
 422                 int deauth = sta->timeout_next == STA_DEAUTH;
 423
 424                 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
 425                         "Timeout, sending %s info to STA " MACSTR,
 426                         deauth ? "deauthentication" : "disassociation",
 427                         MAC2STR(sta->addr));
 428
 429                 if (deauth) {
 430                         hostapd_drv_sta_deauth(
 431                                 hapd, sta->addr,
 432                                 WLAN_REASON_PREV_AUTH_NOT_VALID);
 433                 } else {
 434                         reason = (sta->timeout_next == STA_DISASSOC) ?
 435                                 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
 436                                 WLAN_REASON_PREV_AUTH_NOT_VALID;
 437
 438                         hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
 439                 }
 440         }
 441
 442         switch (sta->timeout_next) {
 443         case STA_NULLFUNC:
 444                 sta->timeout_next = STA_DISASSOC;
 445                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 446                            "for " MACSTR " (%d seconds - AP_DISASSOC_DELAY)",
 447                            __func__, MAC2STR(sta->addr), AP_DISASSOC_DELAY);
 448                 eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer,
 449                                        hapd, sta);
 450                 break;
 451         case STA_DISASSOC:
 452         case STA_DISASSOC_FROM_CLI:
 453                 ap_sta_set_authorized(hapd, sta, 0);
 454                 sta->flags &= ~WLAN_STA_ASSOC;
 455                 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 456                 if (!sta->acct_terminate_cause)
 457                         sta->acct_terminate_cause =
 458                                 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
 459                 accounting_sta_stop(hapd, sta);
 460                 ieee802_1x_free_station(sta);
 461                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 462                                HOSTAPD_LEVEL_INFO, "disassociated due to "
 463                                "inactivity");
 464                 reason = (sta->timeout_next == STA_DISASSOC) ?
 465                         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
 466                         WLAN_REASON_PREV_AUTH_NOT_VALID;
 467                 sta->timeout_next = STA_DEAUTH;
 468                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 469                            "for " MACSTR " (%d seconds - AP_DEAUTH_DELAY)",
 470                            __func__, MAC2STR(sta->addr), AP_DEAUTH_DELAY);
 471                 eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
 472                                        hapd, sta);
 473                 mlme_disassociate_indication(hapd, sta, reason);
 474                 break;
 475         case STA_DEAUTH:
 476         case STA_REMOVE:
 477                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 478                                HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 479                                "inactivity (timer DEAUTH/REMOVE)");
 480                 if (!sta->acct_terminate_cause)
 481                         sta->acct_terminate_cause =
 482                                 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
 483                 mlme_deauthenticate_indication(
 484                         hapd, sta,
 485                         WLAN_REASON_PREV_AUTH_NOT_VALID);
 486                 ap_free_sta(hapd, sta);
 487                 break;
 488         }
 489 }
 490
 491
 492 static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx)
 493 {
 494         struct hostapd_data *hapd = eloop_ctx;
 495         struct sta_info *sta = timeout_ctx;
 496
 497         if (!(sta->flags & WLAN_STA_AUTH)) {
 498                 if (sta->flags & WLAN_STA_GAS) {
 499                         wpa_printf(MSG_DEBUG, "GAS: Remove temporary STA "
 500                                    "entry " MACSTR, MAC2STR(sta->addr));
 501                         ap_free_sta(hapd, sta);
 502                 }
 503                 return;
 504         }
 505
 506         hostapd_drv_sta_deauth(hapd, sta->addr,
 507                                WLAN_REASON_PREV_AUTH_NOT_VALID);
 508         mlme_deauthenticate_indication(hapd, sta,
 509                                        WLAN_REASON_PREV_AUTH_NOT_VALID);
 510         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 511                        HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 512                        "session timeout");
 513         sta->acct_terminate_cause =
 514                 RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT;
 515         ap_free_sta(hapd, sta);
 516 }
 517
 518
 519 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
 520                               u32 session_timeout)
 521 {
 522         if (eloop_replenish_timeout(session_timeout, 0,
 523                                     ap_handle_session_timer, hapd, sta) == 1) {
 524                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 525                                HOSTAPD_LEVEL_DEBUG, "setting session timeout "
 526                                "to %d seconds", session_timeout);
 527         }
 528 }
 529
 530
 531 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
 532                             u32 session_timeout)
 533 {
 534         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 535                        HOSTAPD_LEVEL_DEBUG, "setting session timeout to %d "
 536                        "seconds", session_timeout);
 537         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 538         eloop_register_timeout(session_timeout, 0, ap_handle_session_timer,
 539                                hapd, sta);
 540 }
 541
 542
 543 void ap_sta_no_session_timeout(struct hostapd_data *hapd, struct sta_info *sta)
 544 {
 545         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 546 }
 547
 548
 549 static void ap_handle_session_warning_timer(void *eloop_ctx, void *timeout_ctx)
 550 {
 551 #ifdef CONFIG_WNM
 552         struct hostapd_data *hapd = eloop_ctx;
 553         struct sta_info *sta = timeout_ctx;
 554
 555         wpa_printf(MSG_DEBUG, "WNM: Session warning time reached for " MACSTR,
 556                    MAC2STR(sta->addr));
 557         if (sta->hs20_session_info_url == NULL)
 558                 return;
 559
 560         wnm_send_ess_disassoc_imminent(hapd, sta, sta->hs20_session_info_url,
 561                                        sta->hs20_disassoc_timer);
 562 #endif /* CONFIG_WNM */
 563 }
 564
 565
 566 void ap_sta_session_warning_timeout(struct hostapd_data *hapd,
 567                                     struct sta_info *sta, int warning_time)
 568 {
 569         eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
 570         eloop_register_timeout(warning_time, 0, ap_handle_session_warning_timer,
 571                                hapd, sta);
 572 }
 573
 574
 575 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr)
 576 {
 577         struct sta_info *sta;
 578
 579         sta = ap_get_sta(hapd, addr);
 580         if (sta)
 581                 return sta;
 582
 583         wpa_printf(MSG_DEBUG, "  New STA");
 584         if (hapd->num_sta >= hapd->conf->max_num_sta) {
 585                 /* FIX: might try to remove some old STAs first? */
 586                 wpa_printf(MSG_DEBUG, "no more room for new STAs (%d/%d)",
 587                            hapd->num_sta, hapd->conf->max_num_sta);
 588                 return NULL;
 589         }
 590
 591         sta = os_zalloc(sizeof(struct sta_info));
 592         if (sta == NULL) {
 593                 wpa_printf(MSG_ERROR, "malloc failed");
 594                 return NULL;
 595         }
 596         sta->acct_interim_interval = hapd->conf->acct_interim_interval;
 597         accounting_sta_get_id(hapd, sta);
 598
 599         if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
 600                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 601                            "for " MACSTR " (%d seconds - ap_max_inactivity)",
 602                            __func__, MAC2STR(addr),
 603                            hapd->conf->ap_max_inactivity);
 604                 eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
 605                                        ap_handle_timer, hapd, sta);
 606         }
 607
 608         /* initialize STA info data */
 609         os_memcpy(sta->addr, addr, ETH_ALEN);
 610         sta->next = hapd->sta_list;
 611         hapd->sta_list = sta;
 612         hapd->num_sta++;
 613         ap_sta_hash_add(hapd, sta);
 614         sta->ssid = &hapd->conf->ssid;
 615         ap_sta_remove_in_other_bss(hapd, sta);
 616         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 617         dl_list_init(&sta->ip6addr);
 618
 619         return sta;
 620 }
 621
 622
 623 static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta)
 624 {
 625         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 626
 627         if (sta->ipaddr)
 628                 hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
 629         ap_sta_ip6addr_del(hapd, sta);
 630
 631         wpa_printf(MSG_DEBUG, "Removing STA " MACSTR " from kernel driver",
 632                    MAC2STR(sta->addr));
 633         if (hostapd_drv_sta_remove(hapd, sta->addr) &&
 634             sta->flags & WLAN_STA_ASSOC) {
 635                 wpa_printf(MSG_DEBUG, "Could not remove station " MACSTR
 636                            " from kernel driver.", MAC2STR(sta->addr));
 637                 return -1;
 638         }
 639         return 0;
 640 }
 641
 642
 643 static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
 644                                        struct sta_info *sta)
 645 {
 646         struct hostapd_iface *iface = hapd->iface;
 647         size_t i;
 648
 649         for (i = 0; i < iface->num_bss; i++) {
 650                 struct hostapd_data *bss = iface->bss[i];
 651                 struct sta_info *sta2;
 652                 /* bss should always be set during operation, but it may be
 653                  * NULL during reconfiguration. Assume the STA is not
 654                  * associated to another BSS in that case to avoid NULL pointer
 655                  * dereferences. */
 656                 if (bss == hapd || bss == NULL)
 657                         continue;
 658                 sta2 = ap_get_sta(bss, sta->addr);
 659                 if (!sta2)
 660                         continue;
 661
 662                 ap_sta_disconnect(bss, sta2, sta2->addr,
 663                                   WLAN_REASON_PREV_AUTH_NOT_VALID);
 664         }
 665 }
 666
 667
 668 static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx)
 669 {
 670         struct hostapd_data *hapd = eloop_ctx;
 671         struct sta_info *sta = timeout_ctx;
 672
 673         ap_sta_remove(hapd, sta);
 674         mlme_disassociate_indication(hapd, sta, sta->disassoc_reason);
 675 }
 676
 677
 678 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
 679                          u16 reason)
 680 {
 681         wpa_printf(MSG_DEBUG, "%s: disassociate STA " MACSTR,
 682                    hapd->conf->iface, MAC2STR(sta->addr));
 683         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 684         sta->flags &= ~(WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
 685         ap_sta_set_authorized(hapd, sta, 0);
 686         sta->timeout_next = STA_DEAUTH;
 687         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
 688                    "for " MACSTR " (%d seconds - "
 689                    "AP_MAX_INACTIVITY_AFTER_DISASSOC)",
 690                    __func__, MAC2STR(sta->addr),
 691                    AP_MAX_INACTIVITY_AFTER_DISASSOC);
 692         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 693         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0,
 694                                ap_handle_timer, hapd, sta);
 695         accounting_sta_stop(hapd, sta);
 696         ieee802_1x_free_station(sta);
 697
 698         sta->disassoc_reason = reason;
 699         sta->flags |= WLAN_STA_PENDING_DISASSOC_CB;
 700         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
 701         eloop_register_timeout(hapd->iface->drv_flags &
 702                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
 703                                ap_sta_disassoc_cb_timeout, hapd, sta);
 704 }
 705
 706
 707 static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx)
 708 {
 709         struct hostapd_data *hapd = eloop_ctx;
 710         struct sta_info *sta = timeout_ctx;
 711
 712         ap_sta_remove(hapd, sta);
 713         mlme_deauthenticate_indication(hapd, sta, sta->deauth_reason);
 714 }
 715
 716
 717 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
 718                            u16 reason)
 719 {
 720         wpa_printf(MSG_DEBUG, "%s: deauthenticate STA " MACSTR,
 721                    hapd->conf->iface, MAC2STR(sta->addr));
 722         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 723         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
 724         ap_sta_set_authorized(hapd, sta, 0);
 725         sta->timeout_next = STA_REMOVE;
 726         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
 727                    "for " MACSTR " (%d seconds - "
 728                    "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
 729                    __func__, MAC2STR(sta->addr),
 730                    AP_MAX_INACTIVITY_AFTER_DEAUTH);
 731         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 732         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
 733                                ap_handle_timer, hapd, sta);
 734         accounting_sta_stop(hapd, sta);
 735         ieee802_1x_free_station(sta);
 736
 737         sta->deauth_reason = reason;
 738         sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
 739         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
 740         eloop_register_timeout(hapd->iface->drv_flags &
 741                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
 742                                ap_sta_deauth_cb_timeout, hapd, sta);
 743 }
 744
 745
 746 #ifdef CONFIG_WPS
 747 int ap_sta_wps_cancel(struct hostapd_data *hapd,
 748                       struct sta_info *sta, void *ctx)
 749 {
 750         if (sta && (sta->flags & WLAN_STA_WPS)) {
 751                 ap_sta_deauthenticate(hapd, sta,
 752                                       WLAN_REASON_PREV_AUTH_NOT_VALID);
 753                 wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
 754                            __func__, MAC2STR(sta->addr));
 755                 return 1;
 756         }
 757
 758         return 0;
 759 }
 760 #endif /* CONFIG_WPS */
 761
 762
 763 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
 764                      int old_vlanid)
 765 {
 766 #ifndef CONFIG_NO_VLAN
 767         const char *iface;
 768         struct hostapd_vlan *vlan = NULL;
 769         int ret;
 770
 771         /*
 772          * Do not proceed furthur if the vlan id remains same. We do not want
 773          * duplicate dynamic vlan entries.
 774          */
 775         if (sta->vlan_id == old_vlanid)
 776                 return 0;
 777
 778         /*
 779          * During 1x reauth, if the vlan id changes, then remove the old id and
 780          * proceed furthur to add the new one.
 781          */
 782         if (old_vlanid > 0)
 783                 vlan_remove_dynamic(hapd, old_vlanid);
 784
 785         iface = hapd->conf->iface;
 786         if (sta->ssid->vlan[0])
 787                 iface = sta->ssid->vlan;
 788
 789         if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_DISABLED)
 790                 sta->vlan_id = 0;
 791         else if (sta->vlan_id > 0) {
 792                 struct hostapd_vlan *wildcard_vlan = NULL;
 793                 vlan = hapd->conf->vlan;
 794                 while (vlan) {
 795                         if (vlan->vlan_id == sta->vlan_id)
 796                                 break;
 797                         if (vlan->vlan_id == VLAN_ID_WILDCARD)
 798                                 wildcard_vlan = vlan;
 799                         vlan = vlan->next;
 800                 }
 801                 if (!vlan)
 802                         vlan = wildcard_vlan;
 803                 if (vlan)
 804                         iface = vlan->ifname;
 805         }
 806
 807         if (sta->vlan_id > 0 && vlan == NULL) {
 808                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 809                                HOSTAPD_LEVEL_DEBUG, "could not find VLAN for "
 810                                "binding station to (vlan_id=%d)",
 811                                sta->vlan_id);
 812                 return -1;
 813         } else if (sta->vlan_id > 0 && vlan->vlan_id == VLAN_ID_WILDCARD) {
 814                 vlan = vlan_add_dynamic(hapd, vlan, sta->vlan_id);
 815                 if (vlan == NULL) {
 816                         hostapd_logger(hapd, sta->addr,
 817                                        HOSTAPD_MODULE_IEEE80211,
 818                                        HOSTAPD_LEVEL_DEBUG, "could not add "
 819                                        "dynamic VLAN interface for vlan_id=%d",
 820                                        sta->vlan_id);
 821                         return -1;
 822                 }
 823
 824                 iface = vlan->ifname;
 825                 if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) {
 826                         hostapd_logger(hapd, sta->addr,
 827                                        HOSTAPD_MODULE_IEEE80211,
 828                                        HOSTAPD_LEVEL_DEBUG, "could not "
 829                                        "configure encryption for dynamic VLAN "
 830                                        "interface for vlan_id=%d",
 831                                        sta->vlan_id);
 832                 }
 833
 834                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 835                                HOSTAPD_LEVEL_DEBUG, "added new dynamic VLAN "
 836                                "interface '%s'", iface);
 837         } else if (vlan && vlan->vlan_id == sta->vlan_id) {
 838                 if (sta->vlan_id > 0) {
 839                         vlan->dynamic_vlan++;
 840                         hostapd_logger(hapd, sta->addr,
 841                                        HOSTAPD_MODULE_IEEE80211,
 842                                        HOSTAPD_LEVEL_DEBUG, "updated existing "
 843                                        "dynamic VLAN interface '%s'", iface);
 844                 }
 845
 846                 /*
 847                  * Update encryption configuration for statically generated
 848                  * VLAN interface. This is only used for static WEP
 849                  * configuration for the case where hostapd did not yet know
 850                  * which keys are to be used when the interface was added.
 851                  */
 852                 if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) {
 853                         hostapd_logger(hapd, sta->addr,
 854                                        HOSTAPD_MODULE_IEEE80211,
 855                                        HOSTAPD_LEVEL_DEBUG, "could not "
 856                                        "configure encryption for VLAN "
 857                                        "interface for vlan_id=%d",
 858                                        sta->vlan_id);
 859                 }
 860         }
 861
 862         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 863                        HOSTAPD_LEVEL_DEBUG, "binding station to interface "
 864                        "'%s'", iface);
 865
 866         if (wpa_auth_sta_set_vlan(sta->wpa_sm, sta->vlan_id) < 0)
 867                 wpa_printf(MSG_INFO, "Failed to update VLAN-ID for WPA");
 868
 869         ret = hostapd_drv_set_sta_vlan(iface, hapd, sta->addr, sta->vlan_id);
 870         if (ret < 0) {
 871                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 872                                HOSTAPD_LEVEL_DEBUG, "could not bind the STA "
 873                                "entry to vlan_id=%d", sta->vlan_id);
 874         }
 875         return ret;
 876 #else /* CONFIG_NO_VLAN */
 877         return 0;
 878 #endif /* CONFIG_NO_VLAN */
 879 }
 880
 881
 882 #ifdef CONFIG_IEEE80211W
 883
 884 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta)
 885 {
 886         u32 tu;
 887         struct os_reltime now, passed;
 888         os_get_reltime(&now);
 889         os_reltime_sub(&now, &sta->sa_query_start, &passed);
 890         tu = (passed.sec * 1000000 + passed.usec) / 1024;
 891         if (hapd->conf->assoc_sa_query_max_timeout < tu) {
 892                 hostapd_logger(hapd, sta->addr,
 893                                HOSTAPD_MODULE_IEEE80211,
 894                                HOSTAPD_LEVEL_DEBUG,
 895                                "association SA Query timed out");
 896                 sta->sa_query_timed_out = 1;
 897                 os_free(sta->sa_query_trans_id);
 898                 sta->sa_query_trans_id = NULL;
 899                 sta->sa_query_count = 0;
 900                 eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 901                 return 1;
 902         }
 903
 904         return 0;
 905 }
 906
 907
 908 static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
 909 {
 910         struct hostapd_data *hapd = eloop_ctx;
 911         struct sta_info *sta = timeout_ctx;
 912         unsigned int timeout, sec, usec;
 913         u8 *trans_id, *nbuf;
 914
 915         if (sta->sa_query_count > 0 &&
 916             ap_check_sa_query_timeout(hapd, sta))
 917                 return;
 918
 919         nbuf = os_realloc_array(sta->sa_query_trans_id,
 920                                 sta->sa_query_count + 1,
 921                                 WLAN_SA_QUERY_TR_ID_LEN);
 922         if (nbuf == NULL)
 923                 return;
 924         if (sta->sa_query_count == 0) {
 925                 /* Starting a new SA Query procedure */
 926                 os_get_reltime(&sta->sa_query_start);
 927         }
 928         trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
 929         sta->sa_query_trans_id = nbuf;
 930         sta->sa_query_count++;
 931
 932         if (os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0) {
 933                 /*
 934                  * We don't really care which ID is used here, so simply
 935                  * hardcode this if the mostly theoretical os_get_random()
 936                  * failure happens.
 937                  */
 938                 trans_id[0] = 0x12;
 939                 trans_id[1] = 0x34;
 940         }
 941
 942         timeout = hapd->conf->assoc_sa_query_retry_timeout;
 943         sec = ((timeout / 1000) * 1024) / 1000;
 944         usec = (timeout % 1000) * 1024;
 945         eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta);
 946
 947         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 948                        HOSTAPD_LEVEL_DEBUG,
 949                        "association SA Query attempt %d", sta->sa_query_count);
 950
 951         ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
 952 }
 953
 954
 955 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
 956 {
 957         ap_sa_query_timer(hapd, sta);
 958 }
 959
 960
 961 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
 962 {
 963         eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 964         os_free(sta->sa_query_trans_id);
 965         sta->sa_query_trans_id = NULL;
 966         sta->sa_query_count = 0;
 967 }
 968
 969 #endif /* CONFIG_IEEE80211W */
 970
 971
 972 void ap_sta_set_authorized(struct hostapd_data *hapd, struct sta_info *sta,
 973                            int authorized)
 974 {
 975         const u8 *dev_addr = NULL;
 976         char buf[100];
 977 #ifdef CONFIG_P2P
 978         u8 addr[ETH_ALEN];
 979         u8 ip_addr_buf[4];
 980 #endif /* CONFIG_P2P */
 981
 982         if (!!authorized == !!(sta->flags & WLAN_STA_AUTHORIZED))
 983                 return;
 984
 985         if (authorized)
 986                 sta->flags |= WLAN_STA_AUTHORIZED;
 987         else
 988                 sta->flags &= ~WLAN_STA_AUTHORIZED;
 989
 990 #ifdef CONFIG_P2P
 991         if (hapd->p2p_group == NULL) {
 992                 if (sta->p2p_ie != NULL &&
 993                     p2p_parse_dev_addr_in_p2p_ie(sta->p2p_ie, addr) == 0)
 994                         dev_addr = addr;
 995         } else
 996                 dev_addr = p2p_group_get_dev_addr(hapd->p2p_group, sta->addr);
 997
 998         if (dev_addr)
 999                 os_snprintf(buf, sizeof(buf), MACSTR " p2p_dev_addr=" MACSTR,
1000                             MAC2STR(sta->addr), MAC2STR(dev_addr));
1001         else
1002 #endif /* CONFIG_P2P */
1003                 os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(sta->addr));
1004
1005         if (hapd->sta_authorized_cb)
1006                 hapd->sta_authorized_cb(hapd->sta_authorized_cb_ctx,
1007                                         sta->addr, authorized, dev_addr);
1008
1009         if (authorized) {
1010                 char ip_addr[100];
1011                 ip_addr[0] = '\0';
1012 #ifdef CONFIG_P2P
1013                 if (wpa_auth_get_ip_addr(sta->wpa_sm, ip_addr_buf) == 0) {
1014                         os_snprintf(ip_addr, sizeof(ip_addr),
1015                                     " ip_addr=%u.%u.%u.%u",
1016                                     ip_addr_buf[0], ip_addr_buf[1],
1017                                     ip_addr_buf[2], ip_addr_buf[3]);
1018                 }
1019 #endif /* CONFIG_P2P */
1020
1021                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_CONNECTED "%s%s",
1022                         buf, ip_addr);
1023
1024                 if (hapd->msg_ctx_parent &&
1025                     hapd->msg_ctx_parent != hapd->msg_ctx)
1026                         wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
1027                                           AP_STA_CONNECTED "%s%s",
1028                                           buf, ip_addr);
1029         } else {
1030                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED "%s", buf);
1031
1032                 if (hapd->msg_ctx_parent &&
1033                     hapd->msg_ctx_parent != hapd->msg_ctx)
1034                         wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
1035                                           AP_STA_DISCONNECTED "%s", buf);
1036         }
1037 }
1038
1039
1040 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
1041                        const u8 *addr, u16 reason)
1042 {
1043
1044         if (sta == NULL && addr)
1045                 sta = ap_get_sta(hapd, addr);
1046
1047         if (addr)
1048                 hostapd_drv_sta_deauth(hapd, addr, reason);
1049
1050         if (sta == NULL)
1051                 return;
1052         ap_sta_set_authorized(hapd, sta, 0);
1053         wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
1054         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
1055         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
1056         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
1057                    "for " MACSTR " (%d seconds - "
1058                    "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
1059                    __func__, MAC2STR(sta->addr),
1060                    AP_MAX_INACTIVITY_AFTER_DEAUTH);
1061         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
1062         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
1063                                ap_handle_timer, hapd, sta);
1064         sta->timeout_next = STA_REMOVE;
1065
1066         sta->deauth_reason = reason;
1067         sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
1068         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1069         eloop_register_timeout(hapd->iface->drv_flags &
1070                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
1071                                ap_sta_deauth_cb_timeout, hapd, sta);
1072 }
1073
1074
1075 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta)
1076 {
1077         if (!(sta->flags & WLAN_STA_PENDING_DEAUTH_CB)) {
1078                 wpa_printf(MSG_DEBUG, "Ignore deauth cb for test frame");
1079                 return;
1080         }
1081         sta->flags &= ~WLAN_STA_PENDING_DEAUTH_CB;
1082         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1083         ap_sta_deauth_cb_timeout(hapd, sta);
1084 }
1085
1086
1087 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta)
1088 {
1089         if (!(sta->flags & WLAN_STA_PENDING_DISASSOC_CB)) {
1090                 wpa_printf(MSG_DEBUG, "Ignore disassoc cb for test frame");
1091                 return;
1092         }
1093         sta->flags &= ~WLAN_STA_PENDING_DISASSOC_CB;
1094         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
1095         ap_sta_disassoc_cb_timeout(hapd, sta);
1096 }
1097
1098
1099 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen)
1100 {
1101         int res;
1102
1103         buf[0] = '\0';
1104         res = os_snprintf(buf, buflen, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
1105                           (flags & WLAN_STA_AUTH ? "[AUTH]" : ""),
1106                           (flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""),
1107                           (flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" : ""),
1108                           (flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" :
1109                            ""),
1110                           (flags & WLAN_STA_SHORT_PREAMBLE ?
1111                            "[SHORT_PREAMBLE]" : ""),
1112                           (flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""),
1113                           (flags & WLAN_STA_WMM ? "[WMM]" : ""),
1114                           (flags & WLAN_STA_MFP ? "[MFP]" : ""),
1115                           (flags & WLAN_STA_WPS ? "[WPS]" : ""),
1116                           (flags & WLAN_STA_MAYBE_WPS ? "[MAYBE_WPS]" : ""),
1117                           (flags & WLAN_STA_WDS ? "[WDS]" : ""),
1118                           (flags & WLAN_STA_NONERP ? "[NonERP]" : ""),
1119                           (flags & WLAN_STA_WPS2 ? "[WPS2]" : ""),
1120                           (flags & WLAN_STA_GAS ? "[GAS]" : ""),
1121                           (flags & WLAN_STA_VHT ? "[VHT]" : ""),
1122                           (flags & WLAN_STA_VENDOR_VHT ? "[VENDOR_VHT]" : ""),
1123                           (flags & WLAN_STA_WNM_SLEEP_MODE ?
1124                            "[WNM_SLEEP_MODE]" : ""));
1125         if (os_snprintf_error(buflen, res))
1126                 res = -1;
1127
1128         return res;
1129 }