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 "fst/fst.h"
  20 #include "hostapd.h"
  21 #include "accounting.h"
  22 #include "ieee802_1x.h"
  23 #include "ieee802_11.h"
  24 #include "ieee802_11_auth.h"
  25 #include "wpa_auth.h"
  26 #include "preauth_auth.h"
  27 #include "ap_config.h"
  28 #include "beacon.h"
  29 #include "ap_mlme.h"
  30 #include "vlan_init.h"
  31 #include "p2p_hostapd.h"
  32 #include "ap_drv_ops.h"
  33 #include "gas_serv.h"
  34 #include "wnm_ap.h"
  35 #include "ndisc_snoop.h"
  36 #include "sta_info.h"
  37
  38 static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
  39                                        struct sta_info *sta);
  40 static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx);
  41 static void ap_handle_session_warning_timer(void *eloop_ctx, void *timeout_ctx);
  42 static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx);
  43 static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx);
  44 #ifdef CONFIG_IEEE80211W
  45 static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx);
  46 #endif /* CONFIG_IEEE80211W */
  47 static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta);
  48
  49 int ap_for_each_sta(struct hostapd_data *hapd,
  50                     int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
  51                               void *ctx),
  52                     void *ctx)
  53 {
  54         struct sta_info *sta;
  55
  56         for (sta = hapd->sta_list; sta; sta = sta->next) {
  57                 if (cb(hapd, sta, ctx))
  58                         return 1;
  59         }
  60
  61         return 0;
  62 }
  63
  64
  65 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta)
  66 {
  67         struct sta_info *s;
  68
  69         s = hapd->sta_hash[STA_HASH(sta)];
  70         while (s != NULL && os_memcmp(s->addr, sta, 6) != 0)
  71                 s = s->hnext;
  72         return s;
  73 }
  74
  75
  76 #ifdef CONFIG_P2P
  77 struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr)
  78 {
  79         struct sta_info *sta;
  80
  81         for (sta = hapd->sta_list; sta; sta = sta->next) {
  82                 const u8 *p2p_dev_addr;
  83
  84                 if (sta->p2p_ie == NULL)
  85                         continue;
  86
  87                 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
  88                 if (p2p_dev_addr == NULL)
  89                         continue;
  90
  91                 if (os_memcmp(p2p_dev_addr, addr, ETH_ALEN) == 0)
  92                         return sta;
  93         }
  94
  95         return NULL;
  96 }
  97 #endif /* CONFIG_P2P */
  98
  99
 100 static void ap_sta_list_del(struct hostapd_data *hapd, struct sta_info *sta)
 101 {
 102         struct sta_info *tmp;
 103
 104         if (hapd->sta_list == sta) {
 105                 hapd->sta_list = sta->next;
 106                 return;
 107         }
 108
 109         tmp = hapd->sta_list;
 110         while (tmp != NULL && tmp->next != sta)
 111                 tmp = tmp->next;
 112         if (tmp == NULL) {
 113                 wpa_printf(MSG_DEBUG, "Could not remove STA " MACSTR " from "
 114                            "list.", MAC2STR(sta->addr));
 115         } else
 116                 tmp->next = sta->next;
 117 }
 118
 119
 120 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta)
 121 {
 122         sta->hnext = hapd->sta_hash[STA_HASH(sta->addr)];
 123         hapd->sta_hash[STA_HASH(sta->addr)] = sta;
 124 }
 125
 126
 127 static void ap_sta_hash_del(struct hostapd_data *hapd, struct sta_info *sta)
 128 {
 129         struct sta_info *s;
 130
 131         s = hapd->sta_hash[STA_HASH(sta->addr)];
 132         if (s == NULL) return;
 133         if (os_memcmp(s->addr, sta->addr, 6) == 0) {
 134                 hapd->sta_hash[STA_HASH(sta->addr)] = s->hnext;
 135                 return;
 136         }
 137
 138         while (s->hnext != NULL &&
 139                os_memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0)
 140                 s = s->hnext;
 141         if (s->hnext != NULL)
 142                 s->hnext = s->hnext->hnext;
 143         else
 144                 wpa_printf(MSG_DEBUG, "AP: could not remove STA " MACSTR
 145                            " from hash table", MAC2STR(sta->addr));
 146 }
 147
 148
 149 void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta)
 150 {
 151         sta_ip6addr_del(hapd, sta);
 152 }
 153
 154
 155 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
 156 {
 157         int set_beacon = 0;
 158
 159         accounting_sta_stop(hapd, sta);
 160
 161         /* just in case */
 162         ap_sta_set_authorized(hapd, sta, 0);
 163
 164         if (sta->flags & WLAN_STA_WDS)
 165                 hostapd_set_wds_sta(hapd, NULL, sta->addr, sta->aid, 0);
 166
 167         if (sta->ipaddr)
 168                 hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
 169         ap_sta_ip6addr_del(hapd, sta);
 170
 171         if (!hapd->iface->driver_ap_teardown &&
 172             !(sta->flags & WLAN_STA_PREAUTH))
 173                 hostapd_drv_sta_remove(hapd, sta->addr);
 174
 175         ap_sta_hash_del(hapd, sta);
 176         ap_sta_list_del(hapd, sta);
 177
 178         if (sta->aid > 0)
 179                 hapd->sta_aid[(sta->aid - 1) / 32] &=
 180                         ~BIT((sta->aid - 1) % 32);
 181
 182         hapd->num_sta--;
 183         if (sta->nonerp_set) {
 184                 sta->nonerp_set = 0;
 185                 hapd->iface->num_sta_non_erp--;
 186                 if (hapd->iface->num_sta_non_erp == 0)
 187                         set_beacon++;
 188         }
 189
 190         if (sta->no_short_slot_time_set) {
 191                 sta->no_short_slot_time_set = 0;
 192                 hapd->iface->num_sta_no_short_slot_time--;
 193                 if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
 194                     && hapd->iface->num_sta_no_short_slot_time == 0)
 195                         set_beacon++;
 196         }
 197
 198         if (sta->no_short_preamble_set) {
 199                 sta->no_short_preamble_set = 0;
 200                 hapd->iface->num_sta_no_short_preamble--;
 201                 if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
 202                     && hapd->iface->num_sta_no_short_preamble == 0)
 203                         set_beacon++;
 204         }
 205
 206         if (sta->no_ht_gf_set) {
 207                 sta->no_ht_gf_set = 0;
 208                 hapd->iface->num_sta_ht_no_gf--;
 209         }
 210
 211         if (sta->no_ht_set) {
 212                 sta->no_ht_set = 0;
 213                 hapd->iface->num_sta_no_ht--;
 214         }
 215
 216         if (sta->ht_20mhz_set) {
 217                 sta->ht_20mhz_set = 0;
 218                 hapd->iface->num_sta_ht_20mhz--;
 219         }
 220
 221 #ifdef CONFIG_IEEE80211N
 222         ht40_intolerant_remove(hapd->iface, sta);
 223 #endif /* CONFIG_IEEE80211N */
 224
 225 #ifdef CONFIG_P2P
 226         if (sta->no_p2p_set) {
 227                 sta->no_p2p_set = 0;
 228                 hapd->num_sta_no_p2p--;
 229                 if (hapd->num_sta_no_p2p == 0)
 230                         hostapd_p2p_non_p2p_sta_disconnected(hapd);
 231         }
 232 #endif /* CONFIG_P2P */
 233
 234 #if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
 235         if (hostapd_ht_operation_update(hapd->iface) > 0)
 236                 set_beacon++;
 237 #endif /* NEED_AP_MLME && CONFIG_IEEE80211N */
 238
 239 #ifdef CONFIG_MESH
 240         if (hapd->mesh_sta_free_cb)
 241                 hapd->mesh_sta_free_cb(sta);
 242 #endif /* CONFIG_MESH */
 243
 244         if (set_beacon)
 245                 ieee802_11_set_beacons(hapd->iface);
 246
 247         wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR,
 248                    __func__, MAC2STR(sta->addr));
 249         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 250         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 251         eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
 252         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
 253         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
 254         sae_clear_retransmit_timer(hapd, sta);
 255
 256         ieee802_1x_free_station(sta);
 257         wpa_auth_sta_deinit(sta->wpa_sm);
 258         rsn_preauth_free_station(hapd, sta);
 259 #ifndef CONFIG_NO_RADIUS
 260         if (hapd->radius)
 261                 radius_client_flush_auth(hapd->radius, sta->addr);
 262 #endif /* CONFIG_NO_RADIUS */
 263
 264 #ifndef CONFIG_NO_VLAN
 265         /*
 266          * sta->wpa_sm->group needs to be released before so that
 267          * vlan_remove_dynamic() can check that no stations are left on the
 268          * AP_VLAN netdev.
 269          */
 270         if (sta->vlan_id_bound) {
 271                 /*
 272                  * Need to remove the STA entry before potentially removing the
 273                  * VLAN.
 274                  */
 275                 if (hapd->iface->driver_ap_teardown &&
 276                     !(sta->flags & WLAN_STA_PREAUTH))
 277                         hostapd_drv_sta_remove(hapd, sta->addr);
 278                 vlan_remove_dynamic(hapd, sta->vlan_id_bound);
 279         }
 280 #endif /* CONFIG_NO_VLAN */
 281
 282         os_free(sta->challenge);
 283
 284 #ifdef CONFIG_IEEE80211W
 285         os_free(sta->sa_query_trans_id);
 286         eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 287 #endif /* CONFIG_IEEE80211W */
 288
 289 #ifdef CONFIG_P2P
 290         p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
 291 #endif /* CONFIG_P2P */
 292
 293 #ifdef CONFIG_INTERWORKING
 294         if (sta->gas_dialog) {
 295                 int i;
 296                 for (i = 0; i < GAS_DIALOG_MAX; i++)
 297                         gas_serv_dialog_clear(&sta->gas_dialog[i]);
 298                 os_free(sta->gas_dialog);
 299         }
 300 #endif /* CONFIG_INTERWORKING */
 301
 302         wpabuf_free(sta->wps_ie);
 303         wpabuf_free(sta->p2p_ie);
 304         wpabuf_free(sta->hs20_ie);
 305 #ifdef CONFIG_FST
 306         wpabuf_free(sta->mb_ies);
 307 #endif /* CONFIG_FST */
 308
 309         os_free(sta->ht_capabilities);
 310         os_free(sta->vht_capabilities);
 311         hostapd_free_psk_list(sta->psk);
 312         os_free(sta->identity);
 313         os_free(sta->radius_cui);
 314         os_free(sta->remediation_url);
 315         wpabuf_free(sta->hs20_deauth_req);
 316         os_free(sta->hs20_session_info_url);
 317
 318 #ifdef CONFIG_SAE
 319         sae_clear_data(sta->sae);
 320         os_free(sta->sae);
 321 #endif /* CONFIG_SAE */
 322
 323         os_free(sta);
 324 }
 325
 326
 327 void hostapd_free_stas(struct hostapd_data *hapd)
 328 {
 329         struct sta_info *sta, *prev;
 330
 331         sta = hapd->sta_list;
 332
 333         while (sta) {
 334                 prev = sta;
 335                 if (sta->flags & WLAN_STA_AUTH) {
 336                         mlme_deauthenticate_indication(
 337                                 hapd, sta, WLAN_REASON_UNSPECIFIED);
 338                 }
 339                 sta = sta->next;
 340                 wpa_printf(MSG_DEBUG, "Removing station " MACSTR,
 341                            MAC2STR(prev->addr));
 342                 ap_free_sta(hapd, prev);
 343         }
 344 }
 345
 346
 347 /**
 348  * ap_handle_timer - Per STA timer handler
 349  * @eloop_ctx: struct hostapd_data *
 350  * @timeout_ctx: struct sta_info *
 351  *
 352  * This function is called to check station activity and to remove inactive
 353  * stations.
 354  */
 355 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx)
 356 {
 357         struct hostapd_data *hapd = eloop_ctx;
 358         struct sta_info *sta = timeout_ctx;
 359         unsigned long next_time = 0;
 360         int reason;
 361
 362         wpa_printf(MSG_DEBUG, "%s: " MACSTR " flags=0x%x timeout_next=%d",
 363                    __func__, MAC2STR(sta->addr), sta->flags,
 364                    sta->timeout_next);
 365         if (sta->timeout_next == STA_REMOVE) {
 366                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 367                                HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 368                                "local deauth request");
 369                 ap_free_sta(hapd, sta);
 370                 return;
 371         }
 372
 373         if ((sta->flags & WLAN_STA_ASSOC) &&
 374             (sta->timeout_next == STA_NULLFUNC ||
 375              sta->timeout_next == STA_DISASSOC)) {
 376                 int inactive_sec;
 377                 /*
 378                  * Add random value to timeout so that we don't end up bouncing
 379                  * all stations at the same time if we have lots of associated
 380                  * stations that are idle (but keep re-associating).
 381                  */
 382                 int fuzz = os_random() % 20;
 383                 inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr);
 384                 if (inactive_sec == -1) {
 385                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 386                                 "Check inactivity: Could not "
 387                                 "get station info from kernel driver for "
 388                                 MACSTR, MAC2STR(sta->addr));
 389                         /*
 390                          * The driver may not support this functionality.
 391                          * Anyway, try again after the next inactivity timeout,
 392                          * but do not disconnect the station now.
 393                          */
 394                         next_time = hapd->conf->ap_max_inactivity + fuzz;
 395                 } else if (inactive_sec == -ENOENT) {
 396                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 397                                 "Station " MACSTR " has lost its driver entry",
 398                                 MAC2STR(sta->addr));
 399
 400                         /* Avoid sending client probe on removed client */
 401                         sta->timeout_next = STA_DISASSOC;
 402                         goto skip_poll;
 403                 } else if (inactive_sec < hapd->conf->ap_max_inactivity) {
 404                         /* station activity detected; reset timeout state */
 405                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 406                                 "Station " MACSTR " has been active %is ago",
 407                                 MAC2STR(sta->addr), inactive_sec);
 408                         sta->timeout_next = STA_NULLFUNC;
 409                         next_time = hapd->conf->ap_max_inactivity + fuzz -
 410                                 inactive_sec;
 411                 } else {
 412                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 413                                 "Station " MACSTR " has been "
 414                                 "inactive too long: %d sec, max allowed: %d",
 415                                 MAC2STR(sta->addr), inactive_sec,
 416                                 hapd->conf->ap_max_inactivity);
 417
 418                         if (hapd->conf->skip_inactivity_poll)
 419                                 sta->timeout_next = STA_DISASSOC;
 420                 }
 421         }
 422
 423         if ((sta->flags & WLAN_STA_ASSOC) &&
 424             sta->timeout_next == STA_DISASSOC &&
 425             !(sta->flags & WLAN_STA_PENDING_POLL) &&
 426             !hapd->conf->skip_inactivity_poll) {
 427                 wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR
 428                         " has ACKed data poll", MAC2STR(sta->addr));
 429                 /* data nullfunc frame poll did not produce TX errors; assume
 430                  * station ACKed it */
 431                 sta->timeout_next = STA_NULLFUNC;
 432                 next_time = hapd->conf->ap_max_inactivity;
 433         }
 434
 435 skip_poll:
 436         if (next_time) {
 437                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 438                            "for " MACSTR " (%lu seconds)",
 439                            __func__, MAC2STR(sta->addr), next_time);
 440                 eloop_register_timeout(next_time, 0, ap_handle_timer, hapd,
 441                                        sta);
 442                 return;
 443         }
 444
 445         if (sta->timeout_next == STA_NULLFUNC &&
 446             (sta->flags & WLAN_STA_ASSOC)) {
 447                 wpa_printf(MSG_DEBUG, "  Polling STA");
 448                 sta->flags |= WLAN_STA_PENDING_POLL;
 449                 hostapd_drv_poll_client(hapd, hapd->own_addr, sta->addr,
 450                                         sta->flags & WLAN_STA_WMM);
 451         } else if (sta->timeout_next != STA_REMOVE) {
 452                 int deauth = sta->timeout_next == STA_DEAUTH;
 453
 454                 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
 455                         "Timeout, sending %s info to STA " MACSTR,
 456                         deauth ? "deauthentication" : "disassociation",
 457                         MAC2STR(sta->addr));
 458
 459                 if (deauth) {
 460                         hostapd_drv_sta_deauth(
 461                                 hapd, sta->addr,
 462                                 WLAN_REASON_PREV_AUTH_NOT_VALID);
 463                 } else {
 464                         reason = (sta->timeout_next == STA_DISASSOC) ?
 465                                 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
 466                                 WLAN_REASON_PREV_AUTH_NOT_VALID;
 467
 468                         hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
 469                 }
 470         }
 471
 472         switch (sta->timeout_next) {
 473         case STA_NULLFUNC:
 474                 sta->timeout_next = STA_DISASSOC;
 475                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 476                            "for " MACSTR " (%d seconds - AP_DISASSOC_DELAY)",
 477                            __func__, MAC2STR(sta->addr), AP_DISASSOC_DELAY);
 478                 eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer,
 479                                        hapd, sta);
 480                 break;
 481         case STA_DISASSOC:
 482         case STA_DISASSOC_FROM_CLI:
 483                 ap_sta_set_authorized(hapd, sta, 0);
 484                 sta->flags &= ~WLAN_STA_ASSOC;
 485                 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 486                 if (!sta->acct_terminate_cause)
 487                         sta->acct_terminate_cause =
 488                                 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
 489                 accounting_sta_stop(hapd, sta);
 490                 ieee802_1x_free_station(sta);
 491                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 492                                HOSTAPD_LEVEL_INFO, "disassociated due to "
 493                                "inactivity");
 494                 reason = (sta->timeout_next == STA_DISASSOC) ?
 495                         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
 496                         WLAN_REASON_PREV_AUTH_NOT_VALID;
 497                 sta->timeout_next = STA_DEAUTH;
 498                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 499                            "for " MACSTR " (%d seconds - AP_DEAUTH_DELAY)",
 500                            __func__, MAC2STR(sta->addr), AP_DEAUTH_DELAY);
 501                 eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
 502                                        hapd, sta);
 503                 mlme_disassociate_indication(hapd, sta, reason);
 504                 break;
 505         case STA_DEAUTH:
 506         case STA_REMOVE:
 507                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 508                                HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 509                                "inactivity (timer DEAUTH/REMOVE)");
 510                 if (!sta->acct_terminate_cause)
 511                         sta->acct_terminate_cause =
 512                                 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
 513                 mlme_deauthenticate_indication(
 514                         hapd, sta,
 515                         WLAN_REASON_PREV_AUTH_NOT_VALID);
 516                 ap_free_sta(hapd, sta);
 517                 break;
 518         }
 519 }
 520
 521
 522 static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx)
 523 {
 524         struct hostapd_data *hapd = eloop_ctx;
 525         struct sta_info *sta = timeout_ctx;
 526
 527         if (!(sta->flags & WLAN_STA_AUTH)) {
 528                 if (sta->flags & WLAN_STA_GAS) {
 529                         wpa_printf(MSG_DEBUG, "GAS: Remove temporary STA "
 530                                    "entry " MACSTR, MAC2STR(sta->addr));
 531                         ap_free_sta(hapd, sta);
 532                 }
 533                 return;
 534         }
 535
 536         hostapd_drv_sta_deauth(hapd, sta->addr,
 537                                WLAN_REASON_PREV_AUTH_NOT_VALID);
 538         mlme_deauthenticate_indication(hapd, sta,
 539                                        WLAN_REASON_PREV_AUTH_NOT_VALID);
 540         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 541                        HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 542                        "session timeout");
 543         sta->acct_terminate_cause =
 544                 RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT;
 545         ap_free_sta(hapd, sta);
 546 }
 547
 548
 549 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
 550                               u32 session_timeout)
 551 {
 552         if (eloop_replenish_timeout(session_timeout, 0,
 553                                     ap_handle_session_timer, hapd, sta) == 1) {
 554                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 555                                HOSTAPD_LEVEL_DEBUG, "setting session timeout "
 556                                "to %d seconds", session_timeout);
 557         }
 558 }
 559
 560
 561 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
 562                             u32 session_timeout)
 563 {
 564         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 565                        HOSTAPD_LEVEL_DEBUG, "setting session timeout to %d "
 566                        "seconds", session_timeout);
 567         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 568         eloop_register_timeout(session_timeout, 0, ap_handle_session_timer,
 569                                hapd, sta);
 570 }
 571
 572
 573 void ap_sta_no_session_timeout(struct hostapd_data *hapd, struct sta_info *sta)
 574 {
 575         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 576 }
 577
 578
 579 static void ap_handle_session_warning_timer(void *eloop_ctx, void *timeout_ctx)
 580 {
 581 #ifdef CONFIG_WNM
 582         struct hostapd_data *hapd = eloop_ctx;
 583         struct sta_info *sta = timeout_ctx;
 584
 585         wpa_printf(MSG_DEBUG, "WNM: Session warning time reached for " MACSTR,
 586                    MAC2STR(sta->addr));
 587         if (sta->hs20_session_info_url == NULL)
 588                 return;
 589
 590         wnm_send_ess_disassoc_imminent(hapd, sta, sta->hs20_session_info_url,
 591                                        sta->hs20_disassoc_timer);
 592 #endif /* CONFIG_WNM */
 593 }
 594
 595
 596 void ap_sta_session_warning_timeout(struct hostapd_data *hapd,
 597                                     struct sta_info *sta, int warning_time)
 598 {
 599         eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
 600         eloop_register_timeout(warning_time, 0, ap_handle_session_warning_timer,
 601                                hapd, sta);
 602 }
 603
 604
 605 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr)
 606 {
 607         struct sta_info *sta;
 608
 609         sta = ap_get_sta(hapd, addr);
 610         if (sta)
 611                 return sta;
 612
 613         wpa_printf(MSG_DEBUG, "  New STA");
 614         if (hapd->num_sta >= hapd->conf->max_num_sta) {
 615                 /* FIX: might try to remove some old STAs first? */
 616                 wpa_printf(MSG_DEBUG, "no more room for new STAs (%d/%d)",
 617                            hapd->num_sta, hapd->conf->max_num_sta);
 618                 return NULL;
 619         }
 620
 621         sta = os_zalloc(sizeof(struct sta_info));
 622         if (sta == NULL) {
 623                 wpa_printf(MSG_ERROR, "malloc failed");
 624                 return NULL;
 625         }
 626         sta->acct_interim_interval = hapd->conf->acct_interim_interval;
 627         accounting_sta_get_id(hapd, sta);
 628
 629         if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
 630                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 631                            "for " MACSTR " (%d seconds - ap_max_inactivity)",
 632                            __func__, MAC2STR(addr),
 633                            hapd->conf->ap_max_inactivity);
 634                 eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
 635                                        ap_handle_timer, hapd, sta);
 636         }
 637
 638         /* initialize STA info data */
 639         os_memcpy(sta->addr, addr, ETH_ALEN);
 640         sta->next = hapd->sta_list;
 641         hapd->sta_list = sta;
 642         hapd->num_sta++;
 643         ap_sta_hash_add(hapd, sta);
 644         ap_sta_remove_in_other_bss(hapd, sta);
 645         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 646         dl_list_init(&sta->ip6addr);
 647
 648         return sta;
 649 }
 650
 651
 652 static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta)
 653 {
 654         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 655
 656         if (sta->ipaddr)
 657                 hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
 658         ap_sta_ip6addr_del(hapd, sta);
 659
 660         wpa_printf(MSG_DEBUG, "Removing STA " MACSTR " from kernel driver",
 661                    MAC2STR(sta->addr));
 662         if (hostapd_drv_sta_remove(hapd, sta->addr) &&
 663             sta->flags & WLAN_STA_ASSOC) {
 664                 wpa_printf(MSG_DEBUG, "Could not remove station " MACSTR
 665                            " from kernel driver.", MAC2STR(sta->addr));
 666                 return -1;
 667         }
 668         return 0;
 669 }
 670
 671
 672 static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
 673                                        struct sta_info *sta)
 674 {
 675         struct hostapd_iface *iface = hapd->iface;
 676         size_t i;
 677
 678         for (i = 0; i < iface->num_bss; i++) {
 679                 struct hostapd_data *bss = iface->bss[i];
 680                 struct sta_info *sta2;
 681                 /* bss should always be set during operation, but it may be
 682                  * NULL during reconfiguration. Assume the STA is not
 683                  * associated to another BSS in that case to avoid NULL pointer
 684                  * dereferences. */
 685                 if (bss == hapd || bss == NULL)
 686                         continue;
 687                 sta2 = ap_get_sta(bss, sta->addr);
 688                 if (!sta2)
 689                         continue;
 690
 691                 ap_sta_disconnect(bss, sta2, sta2->addr,
 692                                   WLAN_REASON_PREV_AUTH_NOT_VALID);
 693         }
 694 }
 695
 696
 697 static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx)
 698 {
 699         struct hostapd_data *hapd = eloop_ctx;
 700         struct sta_info *sta = timeout_ctx;
 701
 702         ap_sta_remove(hapd, sta);
 703         mlme_disassociate_indication(hapd, sta, sta->disassoc_reason);
 704 }
 705
 706
 707 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
 708                          u16 reason)
 709 {
 710         wpa_printf(MSG_DEBUG, "%s: disassociate STA " MACSTR,
 711                    hapd->conf->iface, MAC2STR(sta->addr));
 712         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 713         sta->flags &= ~(WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
 714         ap_sta_set_authorized(hapd, sta, 0);
 715         sta->timeout_next = STA_DEAUTH;
 716         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
 717                    "for " MACSTR " (%d seconds - "
 718                    "AP_MAX_INACTIVITY_AFTER_DISASSOC)",
 719                    __func__, MAC2STR(sta->addr),
 720                    AP_MAX_INACTIVITY_AFTER_DISASSOC);
 721         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 722         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0,
 723                                ap_handle_timer, hapd, sta);
 724         accounting_sta_stop(hapd, sta);
 725         ieee802_1x_free_station(sta);
 726
 727         sta->disassoc_reason = reason;
 728         sta->flags |= WLAN_STA_PENDING_DISASSOC_CB;
 729         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
 730         eloop_register_timeout(hapd->iface->drv_flags &
 731                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
 732                                ap_sta_disassoc_cb_timeout, hapd, sta);
 733 }
 734
 735
 736 static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx)
 737 {
 738         struct hostapd_data *hapd = eloop_ctx;
 739         struct sta_info *sta = timeout_ctx;
 740
 741         ap_sta_remove(hapd, sta);
 742         mlme_deauthenticate_indication(hapd, sta, sta->deauth_reason);
 743 }
 744
 745
 746 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
 747                            u16 reason)
 748 {
 749         wpa_printf(MSG_DEBUG, "%s: deauthenticate STA " MACSTR,
 750                    hapd->conf->iface, MAC2STR(sta->addr));
 751         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 752         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
 753         ap_sta_set_authorized(hapd, sta, 0);
 754         sta->timeout_next = STA_REMOVE;
 755         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
 756                    "for " MACSTR " (%d seconds - "
 757                    "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
 758                    __func__, MAC2STR(sta->addr),
 759                    AP_MAX_INACTIVITY_AFTER_DEAUTH);
 760         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 761         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
 762                                ap_handle_timer, hapd, sta);
 763         accounting_sta_stop(hapd, sta);
 764         ieee802_1x_free_station(sta);
 765
 766         sta->deauth_reason = reason;
 767         sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
 768         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
 769         eloop_register_timeout(hapd->iface->drv_flags &
 770                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
 771                                ap_sta_deauth_cb_timeout, hapd, sta);
 772 }
 773
 774
 775 #ifdef CONFIG_WPS
 776 int ap_sta_wps_cancel(struct hostapd_data *hapd,
 777                       struct sta_info *sta, void *ctx)
 778 {
 779         if (sta && (sta->flags & WLAN_STA_WPS)) {
 780                 ap_sta_deauthenticate(hapd, sta,
 781                                       WLAN_REASON_PREV_AUTH_NOT_VALID);
 782                 wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
 783                            __func__, MAC2STR(sta->addr));
 784                 return 1;
 785         }
 786
 787         return 0;
 788 }
 789 #endif /* CONFIG_WPS */
 790
 791
 792 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta)
 793 {
 794 #ifndef CONFIG_NO_VLAN
 795         const char *iface;
 796         struct hostapd_vlan *vlan = NULL;
 797         int ret;
 798         int old_vlanid = sta->vlan_id_bound;
 799
 800         iface = hapd->conf->iface;
 801         if (hapd->conf->ssid.vlan[0])
 802                 iface = hapd->conf->ssid.vlan;
 803
 804         if (hapd->conf->ssid.dynamic_vlan == DYNAMIC_VLAN_DISABLED)
 805                 sta->vlan_id = 0;
 806         else if (sta->vlan_id > 0) {
 807                 struct hostapd_vlan *wildcard_vlan = NULL;
 808                 vlan = hapd->conf->vlan;
 809                 while (vlan) {
 810                         if (vlan->vlan_id == sta->vlan_id)
 811                                 break;
 812                         if (vlan->vlan_id == VLAN_ID_WILDCARD)
 813                                 wildcard_vlan = vlan;
 814                         vlan = vlan->next;
 815                 }
 816                 if (!vlan)
 817                         vlan = wildcard_vlan;
 818                 if (vlan)
 819                         iface = vlan->ifname;
 820         }
 821
 822         /*
 823          * Do not increment ref counters if the VLAN ID remains same, but do
 824          * not skip hostapd_drv_set_sta_vlan() as hostapd_drv_sta_remove() might
 825          * have been called before.
 826          */
 827         if (sta->vlan_id == old_vlanid)
 828                 goto skip_counting;
 829
 830         if (sta->vlan_id > 0 && vlan == NULL) {
 831                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 832                                HOSTAPD_LEVEL_DEBUG, "could not find VLAN for "
 833                                "binding station to (vlan_id=%d)",
 834                                sta->vlan_id);
 835                 ret = -1;
 836                 goto done;
 837         } else if (sta->vlan_id > 0 && vlan->vlan_id == VLAN_ID_WILDCARD) {
 838                 vlan = vlan_add_dynamic(hapd, vlan, sta->vlan_id);
 839                 if (vlan == NULL) {
 840                         hostapd_logger(hapd, sta->addr,
 841                                        HOSTAPD_MODULE_IEEE80211,
 842                                        HOSTAPD_LEVEL_DEBUG, "could not add "
 843                                        "dynamic VLAN interface for vlan_id=%d",
 844                                        sta->vlan_id);
 845                         ret = -1;
 846                         goto done;
 847                 }
 848
 849                 iface = vlan->ifname;
 850                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 851                                HOSTAPD_LEVEL_DEBUG, "added new dynamic VLAN "
 852                                "interface '%s'", iface);
 853         } else if (vlan && vlan->vlan_id == sta->vlan_id &&
 854                    vlan->dynamic_vlan > 0) {
 855                 vlan->dynamic_vlan++;
 856                 hostapd_logger(hapd, sta->addr,
 857                                HOSTAPD_MODULE_IEEE80211,
 858                                HOSTAPD_LEVEL_DEBUG,
 859                                "updated existing dynamic VLAN interface '%s'",
 860                                iface);
 861         }
 862
 863         /* ref counters have been increased, so mark the station */
 864         sta->vlan_id_bound = sta->vlan_id;
 865
 866 skip_counting:
 867         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 868                        HOSTAPD_LEVEL_DEBUG, "binding station to interface "
 869                        "'%s'", iface);
 870
 871         if (wpa_auth_sta_set_vlan(sta->wpa_sm, sta->vlan_id) < 0)
 872                 wpa_printf(MSG_INFO, "Failed to update VLAN-ID for WPA");
 873
 874         ret = hostapd_drv_set_sta_vlan(iface, hapd, sta->addr, sta->vlan_id);
 875         if (ret < 0) {
 876                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 877                                HOSTAPD_LEVEL_DEBUG, "could not bind the STA "
 878                                "entry to vlan_id=%d", sta->vlan_id);
 879         }
 880
 881         /* During 1x reauth, if the vlan id changes, then remove the old id. */
 882         if (old_vlanid > 0 && old_vlanid != sta->vlan_id)
 883                 vlan_remove_dynamic(hapd, old_vlanid);
 884 done:
 885
 886         return ret;
 887 #else /* CONFIG_NO_VLAN */
 888         return 0;
 889 #endif /* CONFIG_NO_VLAN */
 890 }
 891
 892
 893 #ifdef CONFIG_IEEE80211W
 894
 895 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta)
 896 {
 897         u32 tu;
 898         struct os_reltime now, passed;
 899         os_get_reltime(&now);
 900         os_reltime_sub(&now, &sta->sa_query_start, &passed);
 901         tu = (passed.sec * 1000000 + passed.usec) / 1024;
 902         if (hapd->conf->assoc_sa_query_max_timeout < tu) {
 903                 hostapd_logger(hapd, sta->addr,
 904                                HOSTAPD_MODULE_IEEE80211,
 905                                HOSTAPD_LEVEL_DEBUG,
 906                                "association SA Query timed out");
 907                 sta->sa_query_timed_out = 1;
 908                 os_free(sta->sa_query_trans_id);
 909                 sta->sa_query_trans_id = NULL;
 910                 sta->sa_query_count = 0;
 911                 eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 912                 return 1;
 913         }
 914
 915         return 0;
 916 }
 917
 918
 919 static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
 920 {
 921         struct hostapd_data *hapd = eloop_ctx;
 922         struct sta_info *sta = timeout_ctx;
 923         unsigned int timeout, sec, usec;
 924         u8 *trans_id, *nbuf;
 925
 926         if (sta->sa_query_count > 0 &&
 927             ap_check_sa_query_timeout(hapd, sta))
 928                 return;
 929
 930         nbuf = os_realloc_array(sta->sa_query_trans_id,
 931                                 sta->sa_query_count + 1,
 932                                 WLAN_SA_QUERY_TR_ID_LEN);
 933         if (nbuf == NULL)
 934                 return;
 935         if (sta->sa_query_count == 0) {
 936                 /* Starting a new SA Query procedure */
 937                 os_get_reltime(&sta->sa_query_start);
 938         }
 939         trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
 940         sta->sa_query_trans_id = nbuf;
 941         sta->sa_query_count++;
 942
 943         if (os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0) {
 944                 /*
 945                  * We don't really care which ID is used here, so simply
 946                  * hardcode this if the mostly theoretical os_get_random()
 947                  * failure happens.
 948                  */
 949                 trans_id[0] = 0x12;
 950                 trans_id[1] = 0x34;
 951         }
 952
 953         timeout = hapd->conf->assoc_sa_query_retry_timeout;
 954         sec = ((timeout / 1000) * 1024) / 1000;
 955         usec = (timeout % 1000) * 1024;
 956         eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta);
 957
 958         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 959                        HOSTAPD_LEVEL_DEBUG,
 960                        "association SA Query attempt %d", sta->sa_query_count);
 961
 962         ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
 963 }
 964
 965
 966 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
 967 {
 968         ap_sa_query_timer(hapd, sta);
 969 }
 970
 971
 972 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
 973 {
 974         eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 975         os_free(sta->sa_query_trans_id);
 976         sta->sa_query_trans_id = NULL;
 977         sta->sa_query_count = 0;
 978 }
 979
 980 #endif /* CONFIG_IEEE80211W */
 981
 982
 983 void ap_sta_set_authorized(struct hostapd_data *hapd, struct sta_info *sta,
 984                            int authorized)
 985 {
 986         const u8 *dev_addr = NULL;
 987         char buf[100];
 988 #ifdef CONFIG_P2P
 989         u8 addr[ETH_ALEN];
 990         u8 ip_addr_buf[4];
 991 #endif /* CONFIG_P2P */
 992
 993         if (!!authorized == !!(sta->flags & WLAN_STA_AUTHORIZED))
 994                 return;
 995
 996         if (authorized)
 997                 sta->flags |= WLAN_STA_AUTHORIZED;
 998         else
 999                 sta->flags &= ~WLAN_STA_AUTHORIZED;
1000
1001 #ifdef CONFIG_P2P
1002         if (hapd->p2p_group == NULL) {
1003                 if (sta->p2p_ie != NULL &&
1004                     p2p_parse_dev_addr_in_p2p_ie(sta->p2p_ie, addr) == 0)
1005                         dev_addr = addr;
1006         } else
1007                 dev_addr = p2p_group_get_dev_addr(hapd->p2p_group, sta->addr);
1008
1009         if (dev_addr)
1010                 os_snprintf(buf, sizeof(buf), MACSTR " p2p_dev_addr=" MACSTR,
1011                             MAC2STR(sta->addr), MAC2STR(dev_addr));
1012         else
1013 #endif /* CONFIG_P2P */
1014                 os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(sta->addr));
1015
1016         if (hapd->sta_authorized_cb)
1017                 hapd->sta_authorized_cb(hapd->sta_authorized_cb_ctx,
1018                                         sta->addr, authorized, dev_addr);
1019
1020         if (authorized) {
1021                 char ip_addr[100];
1022                 ip_addr[0] = '\0';
1023 #ifdef CONFIG_P2P
1024                 if (wpa_auth_get_ip_addr(sta->wpa_sm, ip_addr_buf) == 0) {
1025                         os_snprintf(ip_addr, sizeof(ip_addr),
1026                                     " ip_addr=%u.%u.%u.%u",
1027                                     ip_addr_buf[0], ip_addr_buf[1],
1028                                     ip_addr_buf[2], ip_addr_buf[3]);
1029                 }
1030 #endif /* CONFIG_P2P */
1031
1032                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_CONNECTED "%s%s",
1033                         buf, ip_addr);
1034
1035                 if (hapd->msg_ctx_parent &&
1036                     hapd->msg_ctx_parent != hapd->msg_ctx)
1037                         wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
1038                                           AP_STA_CONNECTED "%s%s",
1039                                           buf, ip_addr);
1040         } else {
1041                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED "%s", buf);
1042
1043                 if (hapd->msg_ctx_parent &&
1044                     hapd->msg_ctx_parent != hapd->msg_ctx)
1045                         wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
1046                                           AP_STA_DISCONNECTED "%s", buf);
1047         }
1048
1049 #ifdef CONFIG_FST
1050         if (hapd->iface->fst) {
1051                 if (authorized)
1052                         fst_notify_peer_connected(hapd->iface->fst, sta->addr);
1053                 else
1054                         fst_notify_peer_disconnected(hapd->iface->fst,
1055                                                      sta->addr);
1056         }
1057 #endif /* CONFIG_FST */
1058 }
1059
1060
1061 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
1062                        const u8 *addr, u16 reason)
1063 {
1064
1065         if (sta == NULL && addr)
1066                 sta = ap_get_sta(hapd, addr);
1067
1068         if (addr)
1069                 hostapd_drv_sta_deauth(hapd, addr, reason);
1070
1071         if (sta == NULL)
1072                 return;
1073         ap_sta_set_authorized(hapd, sta, 0);
1074         wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
1075         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
1076         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
1077         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
1078                    "for " MACSTR " (%d seconds - "
1079                    "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
1080                    __func__, MAC2STR(sta->addr),
1081                    AP_MAX_INACTIVITY_AFTER_DEAUTH);
1082         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
1083         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
1084                                ap_handle_timer, hapd, sta);
1085         sta->timeout_next = STA_REMOVE;
1086
1087         sta->deauth_reason = reason;
1088         sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
1089         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1090         eloop_register_timeout(hapd->iface->drv_flags &
1091                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
1092                                ap_sta_deauth_cb_timeout, hapd, sta);
1093 }
1094
1095
1096 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta)
1097 {
1098         if (!(sta->flags & WLAN_STA_PENDING_DEAUTH_CB)) {
1099                 wpa_printf(MSG_DEBUG, "Ignore deauth cb for test frame");
1100                 return;
1101         }
1102         sta->flags &= ~WLAN_STA_PENDING_DEAUTH_CB;
1103         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1104         ap_sta_deauth_cb_timeout(hapd, sta);
1105 }
1106
1107
1108 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta)
1109 {
1110         if (!(sta->flags & WLAN_STA_PENDING_DISASSOC_CB)) {
1111                 wpa_printf(MSG_DEBUG, "Ignore disassoc cb for test frame");
1112                 return;
1113         }
1114         sta->flags &= ~WLAN_STA_PENDING_DISASSOC_CB;
1115         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
1116         ap_sta_disassoc_cb_timeout(hapd, sta);
1117 }
1118
1119
1120 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen)
1121 {
1122         int res;
1123
1124         buf[0] = '\0';
1125         res = os_snprintf(buf, buflen, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
1126                           (flags & WLAN_STA_AUTH ? "[AUTH]" : ""),
1127                           (flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""),
1128                           (flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" : ""),
1129                           (flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" :
1130                            ""),
1131                           (flags & WLAN_STA_SHORT_PREAMBLE ?
1132                            "[SHORT_PREAMBLE]" : ""),
1133                           (flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""),
1134                           (flags & WLAN_STA_WMM ? "[WMM]" : ""),
1135                           (flags & WLAN_STA_MFP ? "[MFP]" : ""),
1136                           (flags & WLAN_STA_WPS ? "[WPS]" : ""),
1137                           (flags & WLAN_STA_MAYBE_WPS ? "[MAYBE_WPS]" : ""),
1138                           (flags & WLAN_STA_WDS ? "[WDS]" : ""),
1139                           (flags & WLAN_STA_NONERP ? "[NonERP]" : ""),
1140                           (flags & WLAN_STA_WPS2 ? "[WPS2]" : ""),
1141                           (flags & WLAN_STA_GAS ? "[GAS]" : ""),
1142                           (flags & WLAN_STA_VHT ? "[VHT]" : ""),
1143                           (flags & WLAN_STA_VENDOR_VHT ? "[VENDOR_VHT]" : ""),
1144                           (flags & WLAN_STA_WNM_SLEEP_MODE ?
1145                            "[WNM_SLEEP_MODE]" : ""));
1146         if (os_snprintf_error(buflen, res))
1147                 res = -1;
1148
1149         return res;
1150 }