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 #ifndef CONFIG_NO_VLAN
 175         if (sta->vlan_id_bound) {
 176                 /*
 177                  * Need to remove the STA entry before potentially removing the
 178                  * VLAN.
 179                  */
 180                 if (hapd->iface->driver_ap_teardown &&
 181                     !(sta->flags & WLAN_STA_PREAUTH))
 182                         hostapd_drv_sta_remove(hapd, sta->addr);
 183                 vlan_remove_dynamic(hapd, sta->vlan_id_bound);
 184         }
 185 #endif /* CONFIG_NO_VLAN */
 186
 187         ap_sta_hash_del(hapd, sta);
 188         ap_sta_list_del(hapd, sta);
 189
 190         if (sta->aid > 0)
 191                 hapd->sta_aid[(sta->aid - 1) / 32] &=
 192                         ~BIT((sta->aid - 1) % 32);
 193
 194         hapd->num_sta--;
 195         if (sta->nonerp_set) {
 196                 sta->nonerp_set = 0;
 197                 hapd->iface->num_sta_non_erp--;
 198                 if (hapd->iface->num_sta_non_erp == 0)
 199                         set_beacon++;
 200         }
 201
 202         if (sta->no_short_slot_time_set) {
 203                 sta->no_short_slot_time_set = 0;
 204                 hapd->iface->num_sta_no_short_slot_time--;
 205                 if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
 206                     && hapd->iface->num_sta_no_short_slot_time == 0)
 207                         set_beacon++;
 208         }
 209
 210         if (sta->no_short_preamble_set) {
 211                 sta->no_short_preamble_set = 0;
 212                 hapd->iface->num_sta_no_short_preamble--;
 213                 if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
 214                     && hapd->iface->num_sta_no_short_preamble == 0)
 215                         set_beacon++;
 216         }
 217
 218         if (sta->no_ht_gf_set) {
 219                 sta->no_ht_gf_set = 0;
 220                 hapd->iface->num_sta_ht_no_gf--;
 221         }
 222
 223         if (sta->no_ht_set) {
 224                 sta->no_ht_set = 0;
 225                 hapd->iface->num_sta_no_ht--;
 226         }
 227
 228         if (sta->ht_20mhz_set) {
 229                 sta->ht_20mhz_set = 0;
 230                 hapd->iface->num_sta_ht_20mhz--;
 231         }
 232
 233 #ifdef CONFIG_IEEE80211N
 234         ht40_intolerant_remove(hapd->iface, sta);
 235 #endif /* CONFIG_IEEE80211N */
 236
 237 #ifdef CONFIG_P2P
 238         if (sta->no_p2p_set) {
 239                 sta->no_p2p_set = 0;
 240                 hapd->num_sta_no_p2p--;
 241                 if (hapd->num_sta_no_p2p == 0)
 242                         hostapd_p2p_non_p2p_sta_disconnected(hapd);
 243         }
 244 #endif /* CONFIG_P2P */
 245
 246 #if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
 247         if (hostapd_ht_operation_update(hapd->iface) > 0)
 248                 set_beacon++;
 249 #endif /* NEED_AP_MLME && CONFIG_IEEE80211N */
 250
 251 #ifdef CONFIG_MESH
 252         if (hapd->mesh_sta_free_cb)
 253                 hapd->mesh_sta_free_cb(sta);
 254 #endif /* CONFIG_MESH */
 255
 256         if (set_beacon)
 257                 ieee802_11_set_beacons(hapd->iface);
 258
 259         wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR,
 260                    __func__, MAC2STR(sta->addr));
 261         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 262         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 263         eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
 264         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
 265         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
 266         sae_clear_retransmit_timer(hapd, sta);
 267
 268         ieee802_1x_free_station(sta);
 269         wpa_auth_sta_deinit(sta->wpa_sm);
 270         rsn_preauth_free_station(hapd, sta);
 271 #ifndef CONFIG_NO_RADIUS
 272         if (hapd->radius)
 273                 radius_client_flush_auth(hapd->radius, sta->addr);
 274 #endif /* CONFIG_NO_RADIUS */
 275
 276         os_free(sta->challenge);
 277
 278 #ifdef CONFIG_IEEE80211W
 279         os_free(sta->sa_query_trans_id);
 280         eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 281 #endif /* CONFIG_IEEE80211W */
 282
 283 #ifdef CONFIG_P2P
 284         p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
 285 #endif /* CONFIG_P2P */
 286
 287 #ifdef CONFIG_INTERWORKING
 288         if (sta->gas_dialog) {
 289                 int i;
 290                 for (i = 0; i < GAS_DIALOG_MAX; i++)
 291                         gas_serv_dialog_clear(&sta->gas_dialog[i]);
 292                 os_free(sta->gas_dialog);
 293         }
 294 #endif /* CONFIG_INTERWORKING */
 295
 296         wpabuf_free(sta->wps_ie);
 297         wpabuf_free(sta->p2p_ie);
 298         wpabuf_free(sta->hs20_ie);
 299
 300         os_free(sta->ht_capabilities);
 301         os_free(sta->vht_capabilities);
 302         hostapd_free_psk_list(sta->psk);
 303         os_free(sta->identity);
 304         os_free(sta->radius_cui);
 305         os_free(sta->remediation_url);
 306         wpabuf_free(sta->hs20_deauth_req);
 307         os_free(sta->hs20_session_info_url);
 308
 309 #ifdef CONFIG_SAE
 310         sae_clear_data(sta->sae);
 311         os_free(sta->sae);
 312 #endif /* CONFIG_SAE */
 313
 314         os_free(sta);
 315 }
 316
 317
 318 void hostapd_free_stas(struct hostapd_data *hapd)
 319 {
 320         struct sta_info *sta, *prev;
 321
 322         sta = hapd->sta_list;
 323
 324         while (sta) {
 325                 prev = sta;
 326                 if (sta->flags & WLAN_STA_AUTH) {
 327                         mlme_deauthenticate_indication(
 328                                 hapd, sta, WLAN_REASON_UNSPECIFIED);
 329                 }
 330                 sta = sta->next;
 331                 wpa_printf(MSG_DEBUG, "Removing station " MACSTR,
 332                            MAC2STR(prev->addr));
 333                 ap_free_sta(hapd, prev);
 334         }
 335 }
 336
 337
 338 /**
 339  * ap_handle_timer - Per STA timer handler
 340  * @eloop_ctx: struct hostapd_data *
 341  * @timeout_ctx: struct sta_info *
 342  *
 343  * This function is called to check station activity and to remove inactive
 344  * stations.
 345  */
 346 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx)
 347 {
 348         struct hostapd_data *hapd = eloop_ctx;
 349         struct sta_info *sta = timeout_ctx;
 350         unsigned long next_time = 0;
 351         int reason;
 352
 353         wpa_printf(MSG_DEBUG, "%s: " MACSTR " flags=0x%x timeout_next=%d",
 354                    __func__, MAC2STR(sta->addr), sta->flags,
 355                    sta->timeout_next);
 356         if (sta->timeout_next == STA_REMOVE) {
 357                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 358                                HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 359                                "local deauth request");
 360                 ap_free_sta(hapd, sta);
 361                 return;
 362         }
 363
 364         if ((sta->flags & WLAN_STA_ASSOC) &&
 365             (sta->timeout_next == STA_NULLFUNC ||
 366              sta->timeout_next == STA_DISASSOC)) {
 367                 int inactive_sec;
 368                 /*
 369                  * Add random value to timeout so that we don't end up bouncing
 370                  * all stations at the same time if we have lots of associated
 371                  * stations that are idle (but keep re-associating).
 372                  */
 373                 int fuzz = os_random() % 20;
 374                 inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr);
 375                 if (inactive_sec == -1) {
 376                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 377                                 "Check inactivity: Could not "
 378                                 "get station info from kernel driver for "
 379                                 MACSTR, MAC2STR(sta->addr));
 380                         /*
 381                          * The driver may not support this functionality.
 382                          * Anyway, try again after the next inactivity timeout,
 383                          * but do not disconnect the station now.
 384                          */
 385                         next_time = hapd->conf->ap_max_inactivity + fuzz;
 386                 } else if (inactive_sec == -ENOENT) {
 387                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 388                                 "Station " MACSTR " has lost its driver entry",
 389                                 MAC2STR(sta->addr));
 390
 391                         /* Avoid sending client probe on removed client */
 392                         sta->timeout_next = STA_DISASSOC;
 393                         goto skip_poll;
 394                 } else if (inactive_sec < hapd->conf->ap_max_inactivity) {
 395                         /* station activity detected; reset timeout state */
 396                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 397                                 "Station " MACSTR " has been active %is ago",
 398                                 MAC2STR(sta->addr), inactive_sec);
 399                         sta->timeout_next = STA_NULLFUNC;
 400                         next_time = hapd->conf->ap_max_inactivity + fuzz -
 401                                 inactive_sec;
 402                 } else {
 403                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 404                                 "Station " MACSTR " has been "
 405                                 "inactive too long: %d sec, max allowed: %d",
 406                                 MAC2STR(sta->addr), inactive_sec,
 407                                 hapd->conf->ap_max_inactivity);
 408
 409                         if (hapd->conf->skip_inactivity_poll)
 410                                 sta->timeout_next = STA_DISASSOC;
 411                 }
 412         }
 413
 414         if ((sta->flags & WLAN_STA_ASSOC) &&
 415             sta->timeout_next == STA_DISASSOC &&
 416             !(sta->flags & WLAN_STA_PENDING_POLL) &&
 417             !hapd->conf->skip_inactivity_poll) {
 418                 wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR
 419                         " has ACKed data poll", MAC2STR(sta->addr));
 420                 /* data nullfunc frame poll did not produce TX errors; assume
 421                  * station ACKed it */
 422                 sta->timeout_next = STA_NULLFUNC;
 423                 next_time = hapd->conf->ap_max_inactivity;
 424         }
 425
 426 skip_poll:
 427         if (next_time) {
 428                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 429                            "for " MACSTR " (%lu seconds)",
 430                            __func__, MAC2STR(sta->addr), next_time);
 431                 eloop_register_timeout(next_time, 0, ap_handle_timer, hapd,
 432                                        sta);
 433                 return;
 434         }
 435
 436         if (sta->timeout_next == STA_NULLFUNC &&
 437             (sta->flags & WLAN_STA_ASSOC)) {
 438                 wpa_printf(MSG_DEBUG, "  Polling STA");
 439                 sta->flags |= WLAN_STA_PENDING_POLL;
 440                 hostapd_drv_poll_client(hapd, hapd->own_addr, sta->addr,
 441                                         sta->flags & WLAN_STA_WMM);
 442         } else if (sta->timeout_next != STA_REMOVE) {
 443                 int deauth = sta->timeout_next == STA_DEAUTH;
 444
 445                 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
 446                         "Timeout, sending %s info to STA " MACSTR,
 447                         deauth ? "deauthentication" : "disassociation",
 448                         MAC2STR(sta->addr));
 449
 450                 if (deauth) {
 451                         hostapd_drv_sta_deauth(
 452                                 hapd, sta->addr,
 453                                 WLAN_REASON_PREV_AUTH_NOT_VALID);
 454                 } else {
 455                         reason = (sta->timeout_next == STA_DISASSOC) ?
 456                                 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
 457                                 WLAN_REASON_PREV_AUTH_NOT_VALID;
 458
 459                         hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
 460                 }
 461         }
 462
 463         switch (sta->timeout_next) {
 464         case STA_NULLFUNC:
 465                 sta->timeout_next = STA_DISASSOC;
 466                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 467                            "for " MACSTR " (%d seconds - AP_DISASSOC_DELAY)",
 468                            __func__, MAC2STR(sta->addr), AP_DISASSOC_DELAY);
 469                 eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer,
 470                                        hapd, sta);
 471                 break;
 472         case STA_DISASSOC:
 473         case STA_DISASSOC_FROM_CLI:
 474                 ap_sta_set_authorized(hapd, sta, 0);
 475                 sta->flags &= ~WLAN_STA_ASSOC;
 476                 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 477                 if (!sta->acct_terminate_cause)
 478                         sta->acct_terminate_cause =
 479                                 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
 480                 accounting_sta_stop(hapd, sta);
 481                 ieee802_1x_free_station(sta);
 482                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 483                                HOSTAPD_LEVEL_INFO, "disassociated due to "
 484                                "inactivity");
 485                 reason = (sta->timeout_next == STA_DISASSOC) ?
 486                         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
 487                         WLAN_REASON_PREV_AUTH_NOT_VALID;
 488                 sta->timeout_next = STA_DEAUTH;
 489                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 490                            "for " MACSTR " (%d seconds - AP_DEAUTH_DELAY)",
 491                            __func__, MAC2STR(sta->addr), AP_DEAUTH_DELAY);
 492                 eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
 493                                        hapd, sta);
 494                 mlme_disassociate_indication(hapd, sta, reason);
 495                 break;
 496         case STA_DEAUTH:
 497         case STA_REMOVE:
 498                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 499                                HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 500                                "inactivity (timer DEAUTH/REMOVE)");
 501                 if (!sta->acct_terminate_cause)
 502                         sta->acct_terminate_cause =
 503                                 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
 504                 mlme_deauthenticate_indication(
 505                         hapd, sta,
 506                         WLAN_REASON_PREV_AUTH_NOT_VALID);
 507                 ap_free_sta(hapd, sta);
 508                 break;
 509         }
 510 }
 511
 512
 513 static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx)
 514 {
 515         struct hostapd_data *hapd = eloop_ctx;
 516         struct sta_info *sta = timeout_ctx;
 517
 518         if (!(sta->flags & WLAN_STA_AUTH)) {
 519                 if (sta->flags & WLAN_STA_GAS) {
 520                         wpa_printf(MSG_DEBUG, "GAS: Remove temporary STA "
 521                                    "entry " MACSTR, MAC2STR(sta->addr));
 522                         ap_free_sta(hapd, sta);
 523                 }
 524                 return;
 525         }
 526
 527         hostapd_drv_sta_deauth(hapd, sta->addr,
 528                                WLAN_REASON_PREV_AUTH_NOT_VALID);
 529         mlme_deauthenticate_indication(hapd, sta,
 530                                        WLAN_REASON_PREV_AUTH_NOT_VALID);
 531         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 532                        HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 533                        "session timeout");
 534         sta->acct_terminate_cause =
 535                 RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT;
 536         ap_free_sta(hapd, sta);
 537 }
 538
 539
 540 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
 541                               u32 session_timeout)
 542 {
 543         if (eloop_replenish_timeout(session_timeout, 0,
 544                                     ap_handle_session_timer, hapd, sta) == 1) {
 545                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 546                                HOSTAPD_LEVEL_DEBUG, "setting session timeout "
 547                                "to %d seconds", session_timeout);
 548         }
 549 }
 550
 551
 552 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
 553                             u32 session_timeout)
 554 {
 555         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 556                        HOSTAPD_LEVEL_DEBUG, "setting session timeout to %d "
 557                        "seconds", session_timeout);
 558         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 559         eloop_register_timeout(session_timeout, 0, ap_handle_session_timer,
 560                                hapd, sta);
 561 }
 562
 563
 564 void ap_sta_no_session_timeout(struct hostapd_data *hapd, struct sta_info *sta)
 565 {
 566         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 567 }
 568
 569
 570 static void ap_handle_session_warning_timer(void *eloop_ctx, void *timeout_ctx)
 571 {
 572 #ifdef CONFIG_WNM
 573         struct hostapd_data *hapd = eloop_ctx;
 574         struct sta_info *sta = timeout_ctx;
 575
 576         wpa_printf(MSG_DEBUG, "WNM: Session warning time reached for " MACSTR,
 577                    MAC2STR(sta->addr));
 578         if (sta->hs20_session_info_url == NULL)
 579                 return;
 580
 581         wnm_send_ess_disassoc_imminent(hapd, sta, sta->hs20_session_info_url,
 582                                        sta->hs20_disassoc_timer);
 583 #endif /* CONFIG_WNM */
 584 }
 585
 586
 587 void ap_sta_session_warning_timeout(struct hostapd_data *hapd,
 588                                     struct sta_info *sta, int warning_time)
 589 {
 590         eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
 591         eloop_register_timeout(warning_time, 0, ap_handle_session_warning_timer,
 592                                hapd, sta);
 593 }
 594
 595
 596 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr)
 597 {
 598         struct sta_info *sta;
 599
 600         sta = ap_get_sta(hapd, addr);
 601         if (sta)
 602                 return sta;
 603
 604         wpa_printf(MSG_DEBUG, "  New STA");
 605         if (hapd->num_sta >= hapd->conf->max_num_sta) {
 606                 /* FIX: might try to remove some old STAs first? */
 607                 wpa_printf(MSG_DEBUG, "no more room for new STAs (%d/%d)",
 608                            hapd->num_sta, hapd->conf->max_num_sta);
 609                 return NULL;
 610         }
 611
 612         sta = os_zalloc(sizeof(struct sta_info));
 613         if (sta == NULL) {
 614                 wpa_printf(MSG_ERROR, "malloc failed");
 615                 return NULL;
 616         }
 617         sta->acct_interim_interval = hapd->conf->acct_interim_interval;
 618         accounting_sta_get_id(hapd, sta);
 619
 620         if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
 621                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 622                            "for " MACSTR " (%d seconds - ap_max_inactivity)",
 623                            __func__, MAC2STR(addr),
 624                            hapd->conf->ap_max_inactivity);
 625                 eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
 626                                        ap_handle_timer, hapd, sta);
 627         }
 628
 629         /* initialize STA info data */
 630         os_memcpy(sta->addr, addr, ETH_ALEN);
 631         sta->next = hapd->sta_list;
 632         hapd->sta_list = sta;
 633         hapd->num_sta++;
 634         ap_sta_hash_add(hapd, sta);
 635         sta->ssid = &hapd->conf->ssid;
 636         ap_sta_remove_in_other_bss(hapd, sta);
 637         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 638         dl_list_init(&sta->ip6addr);
 639
 640         return sta;
 641 }
 642
 643
 644 static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta)
 645 {
 646         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 647
 648         if (sta->ipaddr)
 649                 hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
 650         ap_sta_ip6addr_del(hapd, sta);
 651
 652         wpa_printf(MSG_DEBUG, "Removing STA " MACSTR " from kernel driver",
 653                    MAC2STR(sta->addr));
 654         if (hostapd_drv_sta_remove(hapd, sta->addr) &&
 655             sta->flags & WLAN_STA_ASSOC) {
 656                 wpa_printf(MSG_DEBUG, "Could not remove station " MACSTR
 657                            " from kernel driver.", MAC2STR(sta->addr));
 658                 return -1;
 659         }
 660         return 0;
 661 }
 662
 663
 664 static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
 665                                        struct sta_info *sta)
 666 {
 667         struct hostapd_iface *iface = hapd->iface;
 668         size_t i;
 669
 670         for (i = 0; i < iface->num_bss; i++) {
 671                 struct hostapd_data *bss = iface->bss[i];
 672                 struct sta_info *sta2;
 673                 /* bss should always be set during operation, but it may be
 674                  * NULL during reconfiguration. Assume the STA is not
 675                  * associated to another BSS in that case to avoid NULL pointer
 676                  * dereferences. */
 677                 if (bss == hapd || bss == NULL)
 678                         continue;
 679                 sta2 = ap_get_sta(bss, sta->addr);
 680                 if (!sta2)
 681                         continue;
 682
 683                 ap_sta_disconnect(bss, sta2, sta2->addr,
 684                                   WLAN_REASON_PREV_AUTH_NOT_VALID);
 685         }
 686 }
 687
 688
 689 static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx)
 690 {
 691         struct hostapd_data *hapd = eloop_ctx;
 692         struct sta_info *sta = timeout_ctx;
 693
 694         ap_sta_remove(hapd, sta);
 695         mlme_disassociate_indication(hapd, sta, sta->disassoc_reason);
 696 }
 697
 698
 699 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
 700                          u16 reason)
 701 {
 702         wpa_printf(MSG_DEBUG, "%s: disassociate STA " MACSTR,
 703                    hapd->conf->iface, MAC2STR(sta->addr));
 704         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 705         sta->flags &= ~(WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
 706         ap_sta_set_authorized(hapd, sta, 0);
 707         sta->timeout_next = STA_DEAUTH;
 708         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
 709                    "for " MACSTR " (%d seconds - "
 710                    "AP_MAX_INACTIVITY_AFTER_DISASSOC)",
 711                    __func__, MAC2STR(sta->addr),
 712                    AP_MAX_INACTIVITY_AFTER_DISASSOC);
 713         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 714         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0,
 715                                ap_handle_timer, hapd, sta);
 716         accounting_sta_stop(hapd, sta);
 717         ieee802_1x_free_station(sta);
 718
 719         sta->disassoc_reason = reason;
 720         sta->flags |= WLAN_STA_PENDING_DISASSOC_CB;
 721         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
 722         eloop_register_timeout(hapd->iface->drv_flags &
 723                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
 724                                ap_sta_disassoc_cb_timeout, hapd, sta);
 725 }
 726
 727
 728 static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx)
 729 {
 730         struct hostapd_data *hapd = eloop_ctx;
 731         struct sta_info *sta = timeout_ctx;
 732
 733         ap_sta_remove(hapd, sta);
 734         mlme_deauthenticate_indication(hapd, sta, sta->deauth_reason);
 735 }
 736
 737
 738 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
 739                            u16 reason)
 740 {
 741         wpa_printf(MSG_DEBUG, "%s: deauthenticate STA " MACSTR,
 742                    hapd->conf->iface, MAC2STR(sta->addr));
 743         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 744         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
 745         ap_sta_set_authorized(hapd, sta, 0);
 746         sta->timeout_next = STA_REMOVE;
 747         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
 748                    "for " MACSTR " (%d seconds - "
 749                    "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
 750                    __func__, MAC2STR(sta->addr),
 751                    AP_MAX_INACTIVITY_AFTER_DEAUTH);
 752         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 753         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
 754                                ap_handle_timer, hapd, sta);
 755         accounting_sta_stop(hapd, sta);
 756         ieee802_1x_free_station(sta);
 757
 758         sta->deauth_reason = reason;
 759         sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
 760         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
 761         eloop_register_timeout(hapd->iface->drv_flags &
 762                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
 763                                ap_sta_deauth_cb_timeout, hapd, sta);
 764 }
 765
 766
 767 #ifdef CONFIG_WPS
 768 int ap_sta_wps_cancel(struct hostapd_data *hapd,
 769                       struct sta_info *sta, void *ctx)
 770 {
 771         if (sta && (sta->flags & WLAN_STA_WPS)) {
 772                 ap_sta_deauthenticate(hapd, sta,
 773                                       WLAN_REASON_PREV_AUTH_NOT_VALID);
 774                 wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
 775                            __func__, MAC2STR(sta->addr));
 776                 return 1;
 777         }
 778
 779         return 0;
 780 }
 781 #endif /* CONFIG_WPS */
 782
 783
 784 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta)
 785 {
 786 #ifndef CONFIG_NO_VLAN
 787         const char *iface;
 788         struct hostapd_vlan *vlan = NULL;
 789         int ret;
 790         int old_vlanid = sta->vlan_id_bound;
 791
 792         iface = hapd->conf->iface;
 793         if (sta->ssid->vlan[0])
 794                 iface = sta->ssid->vlan;
 795
 796         if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_DISABLED)
 797                 sta->vlan_id = 0;
 798         else if (sta->vlan_id > 0) {
 799                 struct hostapd_vlan *wildcard_vlan = NULL;
 800                 vlan = hapd->conf->vlan;
 801                 while (vlan) {
 802                         if (vlan->vlan_id == sta->vlan_id)
 803                                 break;
 804                         if (vlan->vlan_id == VLAN_ID_WILDCARD)
 805                                 wildcard_vlan = vlan;
 806                         vlan = vlan->next;
 807                 }
 808                 if (!vlan)
 809                         vlan = wildcard_vlan;
 810                 if (vlan)
 811                         iface = vlan->ifname;
 812         }
 813
 814         /*
 815          * Do not increment ref counters if the VLAN ID remains same, but do
 816          * not skip hostapd_drv_set_sta_vlan() as hostapd_drv_sta_remove() might
 817          * have been called before.
 818          */
 819         if (sta->vlan_id == old_vlanid)
 820                 goto skip_counting;
 821
 822         if (sta->vlan_id > 0 && vlan == NULL) {
 823                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 824                                HOSTAPD_LEVEL_DEBUG, "could not find VLAN for "
 825                                "binding station to (vlan_id=%d)",
 826                                sta->vlan_id);
 827                 ret = -1;
 828                 goto done;
 829         } else if (sta->vlan_id > 0 && vlan->vlan_id == VLAN_ID_WILDCARD) {
 830                 vlan = vlan_add_dynamic(hapd, vlan, sta->vlan_id);
 831                 if (vlan == NULL) {
 832                         hostapd_logger(hapd, sta->addr,
 833                                        HOSTAPD_MODULE_IEEE80211,
 834                                        HOSTAPD_LEVEL_DEBUG, "could not add "
 835                                        "dynamic VLAN interface for vlan_id=%d",
 836                                        sta->vlan_id);
 837                         ret = -1;
 838                         goto done;
 839                 }
 840
 841                 iface = vlan->ifname;
 842                 if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) {
 843                         hostapd_logger(hapd, sta->addr,
 844                                        HOSTAPD_MODULE_IEEE80211,
 845                                        HOSTAPD_LEVEL_DEBUG, "could not "
 846                                        "configure encryption for dynamic VLAN "
 847                                        "interface for vlan_id=%d",
 848                                        sta->vlan_id);
 849                 }
 850
 851                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 852                                HOSTAPD_LEVEL_DEBUG, "added new dynamic VLAN "
 853                                "interface '%s'", iface);
 854         } else if (vlan && vlan->vlan_id == sta->vlan_id) {
 855                 if (vlan->dynamic_vlan > 0) {
 856                         vlan->dynamic_vlan++;
 857                         hostapd_logger(hapd, sta->addr,
 858                                        HOSTAPD_MODULE_IEEE80211,
 859                                        HOSTAPD_LEVEL_DEBUG, "updated existing "
 860                                        "dynamic VLAN interface '%s'", iface);
 861                 }
 862
 863                 /*
 864                  * Update encryption configuration for statically generated
 865                  * VLAN interface. This is only used for static WEP
 866                  * configuration for the case where hostapd did not yet know
 867                  * which keys are to be used when the interface was added.
 868                  */
 869                 if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) {
 870                         hostapd_logger(hapd, sta->addr,
 871                                        HOSTAPD_MODULE_IEEE80211,
 872                                        HOSTAPD_LEVEL_DEBUG, "could not "
 873                                        "configure encryption for VLAN "
 874                                        "interface for vlan_id=%d",
 875                                        sta->vlan_id);
 876                 }
 877         }
 878
 879         /* ref counters have been increased, so mark the station */
 880         sta->vlan_id_bound = sta->vlan_id;
 881
 882 skip_counting:
 883         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 884                        HOSTAPD_LEVEL_DEBUG, "binding station to interface "
 885                        "'%s'", iface);
 886
 887         if (wpa_auth_sta_set_vlan(sta->wpa_sm, sta->vlan_id) < 0)
 888                 wpa_printf(MSG_INFO, "Failed to update VLAN-ID for WPA");
 889
 890         ret = hostapd_drv_set_sta_vlan(iface, hapd, sta->addr, sta->vlan_id);
 891         if (ret < 0) {
 892                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 893                                HOSTAPD_LEVEL_DEBUG, "could not bind the STA "
 894                                "entry to vlan_id=%d", sta->vlan_id);
 895         }
 896
 897         /* During 1x reauth, if the vlan id changes, then remove the old id. */
 898         if (old_vlanid > 0 && old_vlanid != sta->vlan_id)
 899                 vlan_remove_dynamic(hapd, old_vlanid);
 900 done:
 901
 902         return ret;
 903 #else /* CONFIG_NO_VLAN */
 904         return 0;
 905 #endif /* CONFIG_NO_VLAN */
 906 }
 907
 908
 909 #ifdef CONFIG_IEEE80211W
 910
 911 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta)
 912 {
 913         u32 tu;
 914         struct os_reltime now, passed;
 915         os_get_reltime(&now);
 916         os_reltime_sub(&now, &sta->sa_query_start, &passed);
 917         tu = (passed.sec * 1000000 + passed.usec) / 1024;
 918         if (hapd->conf->assoc_sa_query_max_timeout < tu) {
 919                 hostapd_logger(hapd, sta->addr,
 920                                HOSTAPD_MODULE_IEEE80211,
 921                                HOSTAPD_LEVEL_DEBUG,
 922                                "association SA Query timed out");
 923                 sta->sa_query_timed_out = 1;
 924                 os_free(sta->sa_query_trans_id);
 925                 sta->sa_query_trans_id = NULL;
 926                 sta->sa_query_count = 0;
 927                 eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 928                 return 1;
 929         }
 930
 931         return 0;
 932 }
 933
 934
 935 static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
 936 {
 937         struct hostapd_data *hapd = eloop_ctx;
 938         struct sta_info *sta = timeout_ctx;
 939         unsigned int timeout, sec, usec;
 940         u8 *trans_id, *nbuf;
 941
 942         if (sta->sa_query_count > 0 &&
 943             ap_check_sa_query_timeout(hapd, sta))
 944                 return;
 945
 946         nbuf = os_realloc_array(sta->sa_query_trans_id,
 947                                 sta->sa_query_count + 1,
 948                                 WLAN_SA_QUERY_TR_ID_LEN);
 949         if (nbuf == NULL)
 950                 return;
 951         if (sta->sa_query_count == 0) {
 952                 /* Starting a new SA Query procedure */
 953                 os_get_reltime(&sta->sa_query_start);
 954         }
 955         trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
 956         sta->sa_query_trans_id = nbuf;
 957         sta->sa_query_count++;
 958
 959         if (os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0) {
 960                 /*
 961                  * We don't really care which ID is used here, so simply
 962                  * hardcode this if the mostly theoretical os_get_random()
 963                  * failure happens.
 964                  */
 965                 trans_id[0] = 0x12;
 966                 trans_id[1] = 0x34;
 967         }
 968
 969         timeout = hapd->conf->assoc_sa_query_retry_timeout;
 970         sec = ((timeout / 1000) * 1024) / 1000;
 971         usec = (timeout % 1000) * 1024;
 972         eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta);
 973
 974         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 975                        HOSTAPD_LEVEL_DEBUG,
 976                        "association SA Query attempt %d", sta->sa_query_count);
 977
 978         ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
 979 }
 980
 981
 982 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
 983 {
 984         ap_sa_query_timer(hapd, sta);
 985 }
 986
 987
 988 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
 989 {
 990         eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 991         os_free(sta->sa_query_trans_id);
 992         sta->sa_query_trans_id = NULL;
 993         sta->sa_query_count = 0;
 994 }
 995
 996 #endif /* CONFIG_IEEE80211W */
 997
 998
 999 void ap_sta_set_authorized(struct hostapd_data *hapd, struct sta_info *sta,
1000                            int authorized)
1001 {
1002         const u8 *dev_addr = NULL;
1003         char buf[100];
1004 #ifdef CONFIG_P2P
1005         u8 addr[ETH_ALEN];
1006         u8 ip_addr_buf[4];
1007 #endif /* CONFIG_P2P */
1008
1009         if (!!authorized == !!(sta->flags & WLAN_STA_AUTHORIZED))
1010                 return;
1011
1012         if (authorized)
1013                 sta->flags |= WLAN_STA_AUTHORIZED;
1014         else
1015                 sta->flags &= ~WLAN_STA_AUTHORIZED;
1016
1017 #ifdef CONFIG_P2P
1018         if (hapd->p2p_group == NULL) {
1019                 if (sta->p2p_ie != NULL &&
1020                     p2p_parse_dev_addr_in_p2p_ie(sta->p2p_ie, addr) == 0)
1021                         dev_addr = addr;
1022         } else
1023                 dev_addr = p2p_group_get_dev_addr(hapd->p2p_group, sta->addr);
1024
1025         if (dev_addr)
1026                 os_snprintf(buf, sizeof(buf), MACSTR " p2p_dev_addr=" MACSTR,
1027                             MAC2STR(sta->addr), MAC2STR(dev_addr));
1028         else
1029 #endif /* CONFIG_P2P */
1030                 os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(sta->addr));
1031
1032         if (hapd->sta_authorized_cb)
1033                 hapd->sta_authorized_cb(hapd->sta_authorized_cb_ctx,
1034                                         sta->addr, authorized, dev_addr);
1035
1036         if (authorized) {
1037                 char ip_addr[100];
1038                 ip_addr[0] = '\0';
1039 #ifdef CONFIG_P2P
1040                 if (wpa_auth_get_ip_addr(sta->wpa_sm, ip_addr_buf) == 0) {
1041                         os_snprintf(ip_addr, sizeof(ip_addr),
1042                                     " ip_addr=%u.%u.%u.%u",
1043                                     ip_addr_buf[0], ip_addr_buf[1],
1044                                     ip_addr_buf[2], ip_addr_buf[3]);
1045                 }
1046 #endif /* CONFIG_P2P */
1047
1048                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_CONNECTED "%s%s",
1049                         buf, ip_addr);
1050
1051                 if (hapd->msg_ctx_parent &&
1052                     hapd->msg_ctx_parent != hapd->msg_ctx)
1053                         wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
1054                                           AP_STA_CONNECTED "%s%s",
1055                                           buf, ip_addr);
1056         } else {
1057                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED "%s", buf);
1058
1059                 if (hapd->msg_ctx_parent &&
1060                     hapd->msg_ctx_parent != hapd->msg_ctx)
1061                         wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
1062                                           AP_STA_DISCONNECTED "%s", buf);
1063         }
1064 }
1065
1066
1067 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
1068                        const u8 *addr, u16 reason)
1069 {
1070
1071         if (sta == NULL && addr)
1072                 sta = ap_get_sta(hapd, addr);
1073
1074         if (addr)
1075                 hostapd_drv_sta_deauth(hapd, addr, reason);
1076
1077         if (sta == NULL)
1078                 return;
1079         ap_sta_set_authorized(hapd, sta, 0);
1080         wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
1081         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
1082         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
1083         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
1084                    "for " MACSTR " (%d seconds - "
1085                    "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
1086                    __func__, MAC2STR(sta->addr),
1087                    AP_MAX_INACTIVITY_AFTER_DEAUTH);
1088         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
1089         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
1090                                ap_handle_timer, hapd, sta);
1091         sta->timeout_next = STA_REMOVE;
1092
1093         sta->deauth_reason = reason;
1094         sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
1095         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1096         eloop_register_timeout(hapd->iface->drv_flags &
1097                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
1098                                ap_sta_deauth_cb_timeout, hapd, sta);
1099 }
1100
1101
1102 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta)
1103 {
1104         if (!(sta->flags & WLAN_STA_PENDING_DEAUTH_CB)) {
1105                 wpa_printf(MSG_DEBUG, "Ignore deauth cb for test frame");
1106                 return;
1107         }
1108         sta->flags &= ~WLAN_STA_PENDING_DEAUTH_CB;
1109         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1110         ap_sta_deauth_cb_timeout(hapd, sta);
1111 }
1112
1113
1114 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta)
1115 {
1116         if (!(sta->flags & WLAN_STA_PENDING_DISASSOC_CB)) {
1117                 wpa_printf(MSG_DEBUG, "Ignore disassoc cb for test frame");
1118                 return;
1119         }
1120         sta->flags &= ~WLAN_STA_PENDING_DISASSOC_CB;
1121         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
1122         ap_sta_disassoc_cb_timeout(hapd, sta);
1123 }
1124
1125
1126 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen)
1127 {
1128         int res;
1129
1130         buf[0] = '\0';
1131         res = os_snprintf(buf, buflen, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
1132                           (flags & WLAN_STA_AUTH ? "[AUTH]" : ""),
1133                           (flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""),
1134                           (flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" : ""),
1135                           (flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" :
1136                            ""),
1137                           (flags & WLAN_STA_SHORT_PREAMBLE ?
1138                            "[SHORT_PREAMBLE]" : ""),
1139                           (flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""),
1140                           (flags & WLAN_STA_WMM ? "[WMM]" : ""),
1141                           (flags & WLAN_STA_MFP ? "[MFP]" : ""),
1142                           (flags & WLAN_STA_WPS ? "[WPS]" : ""),
1143                           (flags & WLAN_STA_MAYBE_WPS ? "[MAYBE_WPS]" : ""),
1144                           (flags & WLAN_STA_WDS ? "[WDS]" : ""),
1145                           (flags & WLAN_STA_NONERP ? "[NonERP]" : ""),
1146                           (flags & WLAN_STA_WPS2 ? "[WPS2]" : ""),
1147                           (flags & WLAN_STA_GAS ? "[GAS]" : ""),
1148                           (flags & WLAN_STA_VHT ? "[VHT]" : ""),
1149                           (flags & WLAN_STA_VENDOR_VHT ? "[VENDOR_VHT]" : ""),
1150                           (flags & WLAN_STA_WNM_SLEEP_MODE ?
1151                            "[WNM_SLEEP_MODE]" : ""));
1152         if (os_snprintf_error(buflen, res))
1153                 res = -1;
1154
1155         return res;
1156 }