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 #ifdef CONFIG_FST
 300         wpabuf_free(sta->mb_ies);
 301 #endif /* CONFIG_FST */
 302
 303         os_free(sta->ht_capabilities);
 304         os_free(sta->vht_capabilities);
 305         hostapd_free_psk_list(sta->psk);
 306         os_free(sta->identity);
 307         os_free(sta->radius_cui);
 308         os_free(sta->remediation_url);
 309         wpabuf_free(sta->hs20_deauth_req);
 310         os_free(sta->hs20_session_info_url);
 311
 312 #ifdef CONFIG_SAE
 313         sae_clear_data(sta->sae);
 314         os_free(sta->sae);
 315 #endif /* CONFIG_SAE */
 316
 317         os_free(sta);
 318 }
 319
 320
 321 void hostapd_free_stas(struct hostapd_data *hapd)
 322 {
 323         struct sta_info *sta, *prev;
 324
 325         sta = hapd->sta_list;
 326
 327         while (sta) {
 328                 prev = sta;
 329                 if (sta->flags & WLAN_STA_AUTH) {
 330                         mlme_deauthenticate_indication(
 331                                 hapd, sta, WLAN_REASON_UNSPECIFIED);
 332                 }
 333                 sta = sta->next;
 334                 wpa_printf(MSG_DEBUG, "Removing station " MACSTR,
 335                            MAC2STR(prev->addr));
 336                 ap_free_sta(hapd, prev);
 337         }
 338 }
 339
 340
 341 /**
 342  * ap_handle_timer - Per STA timer handler
 343  * @eloop_ctx: struct hostapd_data *
 344  * @timeout_ctx: struct sta_info *
 345  *
 346  * This function is called to check station activity and to remove inactive
 347  * stations.
 348  */
 349 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx)
 350 {
 351         struct hostapd_data *hapd = eloop_ctx;
 352         struct sta_info *sta = timeout_ctx;
 353         unsigned long next_time = 0;
 354         int reason;
 355
 356         wpa_printf(MSG_DEBUG, "%s: " MACSTR " flags=0x%x timeout_next=%d",
 357                    __func__, MAC2STR(sta->addr), sta->flags,
 358                    sta->timeout_next);
 359         if (sta->timeout_next == STA_REMOVE) {
 360                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 361                                HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 362                                "local deauth request");
 363                 ap_free_sta(hapd, sta);
 364                 return;
 365         }
 366
 367         if ((sta->flags & WLAN_STA_ASSOC) &&
 368             (sta->timeout_next == STA_NULLFUNC ||
 369              sta->timeout_next == STA_DISASSOC)) {
 370                 int inactive_sec;
 371                 /*
 372                  * Add random value to timeout so that we don't end up bouncing
 373                  * all stations at the same time if we have lots of associated
 374                  * stations that are idle (but keep re-associating).
 375                  */
 376                 int fuzz = os_random() % 20;
 377                 inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr);
 378                 if (inactive_sec == -1) {
 379                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 380                                 "Check inactivity: Could not "
 381                                 "get station info from kernel driver for "
 382                                 MACSTR, MAC2STR(sta->addr));
 383                         /*
 384                          * The driver may not support this functionality.
 385                          * Anyway, try again after the next inactivity timeout,
 386                          * but do not disconnect the station now.
 387                          */
 388                         next_time = hapd->conf->ap_max_inactivity + fuzz;
 389                 } else if (inactive_sec == -ENOENT) {
 390                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 391                                 "Station " MACSTR " has lost its driver entry",
 392                                 MAC2STR(sta->addr));
 393
 394                         /* Avoid sending client probe on removed client */
 395                         sta->timeout_next = STA_DISASSOC;
 396                         goto skip_poll;
 397                 } else if (inactive_sec < hapd->conf->ap_max_inactivity) {
 398                         /* station activity detected; reset timeout state */
 399                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 400                                 "Station " MACSTR " has been active %is ago",
 401                                 MAC2STR(sta->addr), inactive_sec);
 402                         sta->timeout_next = STA_NULLFUNC;
 403                         next_time = hapd->conf->ap_max_inactivity + fuzz -
 404                                 inactive_sec;
 405                 } else {
 406                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 407                                 "Station " MACSTR " has been "
 408                                 "inactive too long: %d sec, max allowed: %d",
 409                                 MAC2STR(sta->addr), inactive_sec,
 410                                 hapd->conf->ap_max_inactivity);
 411
 412                         if (hapd->conf->skip_inactivity_poll)
 413                                 sta->timeout_next = STA_DISASSOC;
 414                 }
 415         }
 416
 417         if ((sta->flags & WLAN_STA_ASSOC) &&
 418             sta->timeout_next == STA_DISASSOC &&
 419             !(sta->flags & WLAN_STA_PENDING_POLL) &&
 420             !hapd->conf->skip_inactivity_poll) {
 421                 wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR
 422                         " has ACKed data poll", MAC2STR(sta->addr));
 423                 /* data nullfunc frame poll did not produce TX errors; assume
 424                  * station ACKed it */
 425                 sta->timeout_next = STA_NULLFUNC;
 426                 next_time = hapd->conf->ap_max_inactivity;
 427         }
 428
 429 skip_poll:
 430         if (next_time) {
 431                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 432                            "for " MACSTR " (%lu seconds)",
 433                            __func__, MAC2STR(sta->addr), next_time);
 434                 eloop_register_timeout(next_time, 0, ap_handle_timer, hapd,
 435                                        sta);
 436                 return;
 437         }
 438
 439         if (sta->timeout_next == STA_NULLFUNC &&
 440             (sta->flags & WLAN_STA_ASSOC)) {
 441                 wpa_printf(MSG_DEBUG, "  Polling STA");
 442                 sta->flags |= WLAN_STA_PENDING_POLL;
 443                 hostapd_drv_poll_client(hapd, hapd->own_addr, sta->addr,
 444                                         sta->flags & WLAN_STA_WMM);
 445         } else if (sta->timeout_next != STA_REMOVE) {
 446                 int deauth = sta->timeout_next == STA_DEAUTH;
 447
 448                 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
 449                         "Timeout, sending %s info to STA " MACSTR,
 450                         deauth ? "deauthentication" : "disassociation",
 451                         MAC2STR(sta->addr));
 452
 453                 if (deauth) {
 454                         hostapd_drv_sta_deauth(
 455                                 hapd, sta->addr,
 456                                 WLAN_REASON_PREV_AUTH_NOT_VALID);
 457                 } else {
 458                         reason = (sta->timeout_next == STA_DISASSOC) ?
 459                                 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
 460                                 WLAN_REASON_PREV_AUTH_NOT_VALID;
 461
 462                         hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
 463                 }
 464         }
 465
 466         switch (sta->timeout_next) {
 467         case STA_NULLFUNC:
 468                 sta->timeout_next = STA_DISASSOC;
 469                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 470                            "for " MACSTR " (%d seconds - AP_DISASSOC_DELAY)",
 471                            __func__, MAC2STR(sta->addr), AP_DISASSOC_DELAY);
 472                 eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer,
 473                                        hapd, sta);
 474                 break;
 475         case STA_DISASSOC:
 476         case STA_DISASSOC_FROM_CLI:
 477                 ap_sta_set_authorized(hapd, sta, 0);
 478                 sta->flags &= ~WLAN_STA_ASSOC;
 479                 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 480                 if (!sta->acct_terminate_cause)
 481                         sta->acct_terminate_cause =
 482                                 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
 483                 accounting_sta_stop(hapd, sta);
 484                 ieee802_1x_free_station(sta);
 485                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 486                                HOSTAPD_LEVEL_INFO, "disassociated due to "
 487                                "inactivity");
 488                 reason = (sta->timeout_next == STA_DISASSOC) ?
 489                         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
 490                         WLAN_REASON_PREV_AUTH_NOT_VALID;
 491                 sta->timeout_next = STA_DEAUTH;
 492                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 493                            "for " MACSTR " (%d seconds - AP_DEAUTH_DELAY)",
 494                            __func__, MAC2STR(sta->addr), AP_DEAUTH_DELAY);
 495                 eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
 496                                        hapd, sta);
 497                 mlme_disassociate_indication(hapd, sta, reason);
 498                 break;
 499         case STA_DEAUTH:
 500         case STA_REMOVE:
 501                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 502                                HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 503                                "inactivity (timer DEAUTH/REMOVE)");
 504                 if (!sta->acct_terminate_cause)
 505                         sta->acct_terminate_cause =
 506                                 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
 507                 mlme_deauthenticate_indication(
 508                         hapd, sta,
 509                         WLAN_REASON_PREV_AUTH_NOT_VALID);
 510                 ap_free_sta(hapd, sta);
 511                 break;
 512         }
 513 }
 514
 515
 516 static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx)
 517 {
 518         struct hostapd_data *hapd = eloop_ctx;
 519         struct sta_info *sta = timeout_ctx;
 520
 521         if (!(sta->flags & WLAN_STA_AUTH)) {
 522                 if (sta->flags & WLAN_STA_GAS) {
 523                         wpa_printf(MSG_DEBUG, "GAS: Remove temporary STA "
 524                                    "entry " MACSTR, MAC2STR(sta->addr));
 525                         ap_free_sta(hapd, sta);
 526                 }
 527                 return;
 528         }
 529
 530         hostapd_drv_sta_deauth(hapd, sta->addr,
 531                                WLAN_REASON_PREV_AUTH_NOT_VALID);
 532         mlme_deauthenticate_indication(hapd, sta,
 533                                        WLAN_REASON_PREV_AUTH_NOT_VALID);
 534         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 535                        HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 536                        "session timeout");
 537         sta->acct_terminate_cause =
 538                 RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT;
 539         ap_free_sta(hapd, sta);
 540 }
 541
 542
 543 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
 544                               u32 session_timeout)
 545 {
 546         if (eloop_replenish_timeout(session_timeout, 0,
 547                                     ap_handle_session_timer, hapd, sta) == 1) {
 548                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 549                                HOSTAPD_LEVEL_DEBUG, "setting session timeout "
 550                                "to %d seconds", session_timeout);
 551         }
 552 }
 553
 554
 555 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
 556                             u32 session_timeout)
 557 {
 558         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 559                        HOSTAPD_LEVEL_DEBUG, "setting session timeout to %d "
 560                        "seconds", session_timeout);
 561         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 562         eloop_register_timeout(session_timeout, 0, ap_handle_session_timer,
 563                                hapd, sta);
 564 }
 565
 566
 567 void ap_sta_no_session_timeout(struct hostapd_data *hapd, struct sta_info *sta)
 568 {
 569         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 570 }
 571
 572
 573 static void ap_handle_session_warning_timer(void *eloop_ctx, void *timeout_ctx)
 574 {
 575 #ifdef CONFIG_WNM
 576         struct hostapd_data *hapd = eloop_ctx;
 577         struct sta_info *sta = timeout_ctx;
 578
 579         wpa_printf(MSG_DEBUG, "WNM: Session warning time reached for " MACSTR,
 580                    MAC2STR(sta->addr));
 581         if (sta->hs20_session_info_url == NULL)
 582                 return;
 583
 584         wnm_send_ess_disassoc_imminent(hapd, sta, sta->hs20_session_info_url,
 585                                        sta->hs20_disassoc_timer);
 586 #endif /* CONFIG_WNM */
 587 }
 588
 589
 590 void ap_sta_session_warning_timeout(struct hostapd_data *hapd,
 591                                     struct sta_info *sta, int warning_time)
 592 {
 593         eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
 594         eloop_register_timeout(warning_time, 0, ap_handle_session_warning_timer,
 595                                hapd, sta);
 596 }
 597
 598
 599 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr)
 600 {
 601         struct sta_info *sta;
 602
 603         sta = ap_get_sta(hapd, addr);
 604         if (sta)
 605                 return sta;
 606
 607         wpa_printf(MSG_DEBUG, "  New STA");
 608         if (hapd->num_sta >= hapd->conf->max_num_sta) {
 609                 /* FIX: might try to remove some old STAs first? */
 610                 wpa_printf(MSG_DEBUG, "no more room for new STAs (%d/%d)",
 611                            hapd->num_sta, hapd->conf->max_num_sta);
 612                 return NULL;
 613         }
 614
 615         sta = os_zalloc(sizeof(struct sta_info));
 616         if (sta == NULL) {
 617                 wpa_printf(MSG_ERROR, "malloc failed");
 618                 return NULL;
 619         }
 620         sta->acct_interim_interval = hapd->conf->acct_interim_interval;
 621         accounting_sta_get_id(hapd, sta);
 622
 623         if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
 624                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 625                            "for " MACSTR " (%d seconds - ap_max_inactivity)",
 626                            __func__, MAC2STR(addr),
 627                            hapd->conf->ap_max_inactivity);
 628                 eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
 629                                        ap_handle_timer, hapd, sta);
 630         }
 631
 632         /* initialize STA info data */
 633         os_memcpy(sta->addr, addr, ETH_ALEN);
 634         sta->next = hapd->sta_list;
 635         hapd->sta_list = sta;
 636         hapd->num_sta++;
 637         ap_sta_hash_add(hapd, sta);
 638         ap_sta_remove_in_other_bss(hapd, sta);
 639         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 640         dl_list_init(&sta->ip6addr);
 641
 642         return sta;
 643 }
 644
 645
 646 static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta)
 647 {
 648         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 649
 650         if (sta->ipaddr)
 651                 hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
 652         ap_sta_ip6addr_del(hapd, sta);
 653
 654         wpa_printf(MSG_DEBUG, "Removing STA " MACSTR " from kernel driver",
 655                    MAC2STR(sta->addr));
 656         if (hostapd_drv_sta_remove(hapd, sta->addr) &&
 657             sta->flags & WLAN_STA_ASSOC) {
 658                 wpa_printf(MSG_DEBUG, "Could not remove station " MACSTR
 659                            " from kernel driver.", MAC2STR(sta->addr));
 660                 return -1;
 661         }
 662         return 0;
 663 }
 664
 665
 666 static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
 667                                        struct sta_info *sta)
 668 {
 669         struct hostapd_iface *iface = hapd->iface;
 670         size_t i;
 671
 672         for (i = 0; i < iface->num_bss; i++) {
 673                 struct hostapd_data *bss = iface->bss[i];
 674                 struct sta_info *sta2;
 675                 /* bss should always be set during operation, but it may be
 676                  * NULL during reconfiguration. Assume the STA is not
 677                  * associated to another BSS in that case to avoid NULL pointer
 678                  * dereferences. */
 679                 if (bss == hapd || bss == NULL)
 680                         continue;
 681                 sta2 = ap_get_sta(bss, sta->addr);
 682                 if (!sta2)
 683                         continue;
 684
 685                 ap_sta_disconnect(bss, sta2, sta2->addr,
 686                                   WLAN_REASON_PREV_AUTH_NOT_VALID);
 687         }
 688 }
 689
 690
 691 static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx)
 692 {
 693         struct hostapd_data *hapd = eloop_ctx;
 694         struct sta_info *sta = timeout_ctx;
 695
 696         ap_sta_remove(hapd, sta);
 697         mlme_disassociate_indication(hapd, sta, sta->disassoc_reason);
 698 }
 699
 700
 701 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
 702                          u16 reason)
 703 {
 704         wpa_printf(MSG_DEBUG, "%s: disassociate STA " MACSTR,
 705                    hapd->conf->iface, MAC2STR(sta->addr));
 706         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 707         sta->flags &= ~(WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
 708         ap_sta_set_authorized(hapd, sta, 0);
 709         sta->timeout_next = STA_DEAUTH;
 710         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
 711                    "for " MACSTR " (%d seconds - "
 712                    "AP_MAX_INACTIVITY_AFTER_DISASSOC)",
 713                    __func__, MAC2STR(sta->addr),
 714                    AP_MAX_INACTIVITY_AFTER_DISASSOC);
 715         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 716         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0,
 717                                ap_handle_timer, hapd, sta);
 718         accounting_sta_stop(hapd, sta);
 719         ieee802_1x_free_station(sta);
 720
 721         sta->disassoc_reason = reason;
 722         sta->flags |= WLAN_STA_PENDING_DISASSOC_CB;
 723         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
 724         eloop_register_timeout(hapd->iface->drv_flags &
 725                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
 726                                ap_sta_disassoc_cb_timeout, hapd, sta);
 727 }
 728
 729
 730 static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx)
 731 {
 732         struct hostapd_data *hapd = eloop_ctx;
 733         struct sta_info *sta = timeout_ctx;
 734
 735         ap_sta_remove(hapd, sta);
 736         mlme_deauthenticate_indication(hapd, sta, sta->deauth_reason);
 737 }
 738
 739
 740 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
 741                            u16 reason)
 742 {
 743         wpa_printf(MSG_DEBUG, "%s: deauthenticate STA " MACSTR,
 744                    hapd->conf->iface, MAC2STR(sta->addr));
 745         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 746         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
 747         ap_sta_set_authorized(hapd, sta, 0);
 748         sta->timeout_next = STA_REMOVE;
 749         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
 750                    "for " MACSTR " (%d seconds - "
 751                    "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
 752                    __func__, MAC2STR(sta->addr),
 753                    AP_MAX_INACTIVITY_AFTER_DEAUTH);
 754         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 755         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
 756                                ap_handle_timer, hapd, sta);
 757         accounting_sta_stop(hapd, sta);
 758         ieee802_1x_free_station(sta);
 759
 760         sta->deauth_reason = reason;
 761         sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
 762         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
 763         eloop_register_timeout(hapd->iface->drv_flags &
 764                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
 765                                ap_sta_deauth_cb_timeout, hapd, sta);
 766 }
 767
 768
 769 #ifdef CONFIG_WPS
 770 int ap_sta_wps_cancel(struct hostapd_data *hapd,
 771                       struct sta_info *sta, void *ctx)
 772 {
 773         if (sta && (sta->flags & WLAN_STA_WPS)) {
 774                 ap_sta_deauthenticate(hapd, sta,
 775                                       WLAN_REASON_PREV_AUTH_NOT_VALID);
 776                 wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
 777                            __func__, MAC2STR(sta->addr));
 778                 return 1;
 779         }
 780
 781         return 0;
 782 }
 783 #endif /* CONFIG_WPS */
 784
 785
 786 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta)
 787 {
 788 #ifndef CONFIG_NO_VLAN
 789         const char *iface;
 790         struct hostapd_vlan *vlan = NULL;
 791         int ret;
 792         int old_vlanid = sta->vlan_id_bound;
 793
 794         iface = hapd->conf->iface;
 795         if (hapd->conf->ssid.vlan[0])
 796                 iface = hapd->conf->ssid.vlan;
 797
 798         if (hapd->conf->ssid.dynamic_vlan == DYNAMIC_VLAN_DISABLED)
 799                 sta->vlan_id = 0;
 800         else if (sta->vlan_id > 0) {
 801                 struct hostapd_vlan *wildcard_vlan = NULL;
 802                 vlan = hapd->conf->vlan;
 803                 while (vlan) {
 804                         if (vlan->vlan_id == sta->vlan_id)
 805                                 break;
 806                         if (vlan->vlan_id == VLAN_ID_WILDCARD)
 807                                 wildcard_vlan = vlan;
 808                         vlan = vlan->next;
 809                 }
 810                 if (!vlan)
 811                         vlan = wildcard_vlan;
 812                 if (vlan)
 813                         iface = vlan->ifname;
 814         }
 815
 816         /*
 817          * Do not increment ref counters if the VLAN ID remains same, but do
 818          * not skip hostapd_drv_set_sta_vlan() as hostapd_drv_sta_remove() might
 819          * have been called before.
 820          */
 821         if (sta->vlan_id == old_vlanid)
 822                 goto skip_counting;
 823
 824         if (sta->vlan_id > 0 && vlan == NULL) {
 825                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 826                                HOSTAPD_LEVEL_DEBUG, "could not find VLAN for "
 827                                "binding station to (vlan_id=%d)",
 828                                sta->vlan_id);
 829                 ret = -1;
 830                 goto done;
 831         } else if (sta->vlan_id > 0 && vlan->vlan_id == VLAN_ID_WILDCARD) {
 832                 vlan = vlan_add_dynamic(hapd, vlan, sta->vlan_id);
 833                 if (vlan == NULL) {
 834                         hostapd_logger(hapd, sta->addr,
 835                                        HOSTAPD_MODULE_IEEE80211,
 836                                        HOSTAPD_LEVEL_DEBUG, "could not add "
 837                                        "dynamic VLAN interface for vlan_id=%d",
 838                                        sta->vlan_id);
 839                         ret = -1;
 840                         goto done;
 841                 }
 842
 843                 iface = vlan->ifname;
 844                 if (vlan_setup_encryption_dyn(hapd, iface) != 0) {
 845                         hostapd_logger(hapd, sta->addr,
 846                                        HOSTAPD_MODULE_IEEE80211,
 847                                        HOSTAPD_LEVEL_DEBUG, "could not "
 848                                        "configure encryption for dynamic VLAN "
 849                                        "interface for vlan_id=%d",
 850                                        sta->vlan_id);
 851                 }
 852
 853                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 854                                HOSTAPD_LEVEL_DEBUG, "added new dynamic VLAN "
 855                                "interface '%s'", iface);
 856         } else if (vlan && vlan->vlan_id == sta->vlan_id) {
 857                 if (vlan->dynamic_vlan > 0) {
 858                         vlan->dynamic_vlan++;
 859                         hostapd_logger(hapd, sta->addr,
 860                                        HOSTAPD_MODULE_IEEE80211,
 861                                        HOSTAPD_LEVEL_DEBUG, "updated existing "
 862                                        "dynamic VLAN interface '%s'", iface);
 863                 }
 864
 865                 /*
 866                  * Update encryption configuration for statically generated
 867                  * VLAN interface. This is only used for static WEP
 868                  * configuration for the case where hostapd did not yet know
 869                  * which keys are to be used when the interface was added.
 870                  */
 871                 if (vlan_setup_encryption_dyn(hapd, iface) != 0) {
 872                         hostapd_logger(hapd, sta->addr,
 873                                        HOSTAPD_MODULE_IEEE80211,
 874                                        HOSTAPD_LEVEL_DEBUG, "could not "
 875                                        "configure encryption for VLAN "
 876                                        "interface for vlan_id=%d",
 877                                        sta->vlan_id);
 878                 }
 879         }
 880
 881         /* ref counters have been increased, so mark the station */
 882         sta->vlan_id_bound = sta->vlan_id;
 883
 884 skip_counting:
 885         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 886                        HOSTAPD_LEVEL_DEBUG, "binding station to interface "
 887                        "'%s'", iface);
 888
 889         if (wpa_auth_sta_set_vlan(sta->wpa_sm, sta->vlan_id) < 0)
 890                 wpa_printf(MSG_INFO, "Failed to update VLAN-ID for WPA");
 891
 892         ret = hostapd_drv_set_sta_vlan(iface, hapd, sta->addr, sta->vlan_id);
 893         if (ret < 0) {
 894                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 895                                HOSTAPD_LEVEL_DEBUG, "could not bind the STA "
 896                                "entry to vlan_id=%d", sta->vlan_id);
 897         }
 898
 899         /* During 1x reauth, if the vlan id changes, then remove the old id. */
 900         if (old_vlanid > 0 && old_vlanid != sta->vlan_id)
 901                 vlan_remove_dynamic(hapd, old_vlanid);
 902 done:
 903
 904         return ret;
 905 #else /* CONFIG_NO_VLAN */
 906         return 0;
 907 #endif /* CONFIG_NO_VLAN */
 908 }
 909
 910
 911 #ifdef CONFIG_IEEE80211W
 912
 913 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta)
 914 {
 915         u32 tu;
 916         struct os_reltime now, passed;
 917         os_get_reltime(&now);
 918         os_reltime_sub(&now, &sta->sa_query_start, &passed);
 919         tu = (passed.sec * 1000000 + passed.usec) / 1024;
 920         if (hapd->conf->assoc_sa_query_max_timeout < tu) {
 921                 hostapd_logger(hapd, sta->addr,
 922                                HOSTAPD_MODULE_IEEE80211,
 923                                HOSTAPD_LEVEL_DEBUG,
 924                                "association SA Query timed out");
 925                 sta->sa_query_timed_out = 1;
 926                 os_free(sta->sa_query_trans_id);
 927                 sta->sa_query_trans_id = NULL;
 928                 sta->sa_query_count = 0;
 929                 eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 930                 return 1;
 931         }
 932
 933         return 0;
 934 }
 935
 936
 937 static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
 938 {
 939         struct hostapd_data *hapd = eloop_ctx;
 940         struct sta_info *sta = timeout_ctx;
 941         unsigned int timeout, sec, usec;
 942         u8 *trans_id, *nbuf;
 943
 944         if (sta->sa_query_count > 0 &&
 945             ap_check_sa_query_timeout(hapd, sta))
 946                 return;
 947
 948         nbuf = os_realloc_array(sta->sa_query_trans_id,
 949                                 sta->sa_query_count + 1,
 950                                 WLAN_SA_QUERY_TR_ID_LEN);
 951         if (nbuf == NULL)
 952                 return;
 953         if (sta->sa_query_count == 0) {
 954                 /* Starting a new SA Query procedure */
 955                 os_get_reltime(&sta->sa_query_start);
 956         }
 957         trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
 958         sta->sa_query_trans_id = nbuf;
 959         sta->sa_query_count++;
 960
 961         if (os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0) {
 962                 /*
 963                  * We don't really care which ID is used here, so simply
 964                  * hardcode this if the mostly theoretical os_get_random()
 965                  * failure happens.
 966                  */
 967                 trans_id[0] = 0x12;
 968                 trans_id[1] = 0x34;
 969         }
 970
 971         timeout = hapd->conf->assoc_sa_query_retry_timeout;
 972         sec = ((timeout / 1000) * 1024) / 1000;
 973         usec = (timeout % 1000) * 1024;
 974         eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta);
 975
 976         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 977                        HOSTAPD_LEVEL_DEBUG,
 978                        "association SA Query attempt %d", sta->sa_query_count);
 979
 980         ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
 981 }
 982
 983
 984 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
 985 {
 986         ap_sa_query_timer(hapd, sta);
 987 }
 988
 989
 990 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
 991 {
 992         eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 993         os_free(sta->sa_query_trans_id);
 994         sta->sa_query_trans_id = NULL;
 995         sta->sa_query_count = 0;
 996 }
 997
 998 #endif /* CONFIG_IEEE80211W */
 999
1000
1001 void ap_sta_set_authorized(struct hostapd_data *hapd, struct sta_info *sta,
1002                            int authorized)
1003 {
1004         const u8 *dev_addr = NULL;
1005         char buf[100];
1006 #ifdef CONFIG_P2P
1007         u8 addr[ETH_ALEN];
1008         u8 ip_addr_buf[4];
1009 #endif /* CONFIG_P2P */
1010
1011         if (!!authorized == !!(sta->flags & WLAN_STA_AUTHORIZED))
1012                 return;
1013
1014         if (authorized)
1015                 sta->flags |= WLAN_STA_AUTHORIZED;
1016         else
1017                 sta->flags &= ~WLAN_STA_AUTHORIZED;
1018
1019 #ifdef CONFIG_P2P
1020         if (hapd->p2p_group == NULL) {
1021                 if (sta->p2p_ie != NULL &&
1022                     p2p_parse_dev_addr_in_p2p_ie(sta->p2p_ie, addr) == 0)
1023                         dev_addr = addr;
1024         } else
1025                 dev_addr = p2p_group_get_dev_addr(hapd->p2p_group, sta->addr);
1026
1027         if (dev_addr)
1028                 os_snprintf(buf, sizeof(buf), MACSTR " p2p_dev_addr=" MACSTR,
1029                             MAC2STR(sta->addr), MAC2STR(dev_addr));
1030         else
1031 #endif /* CONFIG_P2P */
1032                 os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(sta->addr));
1033
1034         if (hapd->sta_authorized_cb)
1035                 hapd->sta_authorized_cb(hapd->sta_authorized_cb_ctx,
1036                                         sta->addr, authorized, dev_addr);
1037
1038         if (authorized) {
1039                 char ip_addr[100];
1040                 ip_addr[0] = '\0';
1041 #ifdef CONFIG_P2P
1042                 if (wpa_auth_get_ip_addr(sta->wpa_sm, ip_addr_buf) == 0) {
1043                         os_snprintf(ip_addr, sizeof(ip_addr),
1044                                     " ip_addr=%u.%u.%u.%u",
1045                                     ip_addr_buf[0], ip_addr_buf[1],
1046                                     ip_addr_buf[2], ip_addr_buf[3]);
1047                 }
1048 #endif /* CONFIG_P2P */
1049
1050                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_CONNECTED "%s%s",
1051                         buf, ip_addr);
1052
1053                 if (hapd->msg_ctx_parent &&
1054                     hapd->msg_ctx_parent != hapd->msg_ctx)
1055                         wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
1056                                           AP_STA_CONNECTED "%s%s",
1057                                           buf, ip_addr);
1058         } else {
1059                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED "%s", buf);
1060
1061                 if (hapd->msg_ctx_parent &&
1062                     hapd->msg_ctx_parent != hapd->msg_ctx)
1063                         wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
1064                                           AP_STA_DISCONNECTED "%s", buf);
1065         }
1066 }
1067
1068
1069 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
1070                        const u8 *addr, u16 reason)
1071 {
1072
1073         if (sta == NULL && addr)
1074                 sta = ap_get_sta(hapd, addr);
1075
1076         if (addr)
1077                 hostapd_drv_sta_deauth(hapd, addr, reason);
1078
1079         if (sta == NULL)
1080                 return;
1081         ap_sta_set_authorized(hapd, sta, 0);
1082         wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
1083         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
1084         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
1085         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
1086                    "for " MACSTR " (%d seconds - "
1087                    "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
1088                    __func__, MAC2STR(sta->addr),
1089                    AP_MAX_INACTIVITY_AFTER_DEAUTH);
1090         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
1091         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
1092                                ap_handle_timer, hapd, sta);
1093         sta->timeout_next = STA_REMOVE;
1094
1095         sta->deauth_reason = reason;
1096         sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
1097         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1098         eloop_register_timeout(hapd->iface->drv_flags &
1099                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
1100                                ap_sta_deauth_cb_timeout, hapd, sta);
1101 }
1102
1103
1104 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta)
1105 {
1106         if (!(sta->flags & WLAN_STA_PENDING_DEAUTH_CB)) {
1107                 wpa_printf(MSG_DEBUG, "Ignore deauth cb for test frame");
1108                 return;
1109         }
1110         sta->flags &= ~WLAN_STA_PENDING_DEAUTH_CB;
1111         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1112         ap_sta_deauth_cb_timeout(hapd, sta);
1113 }
1114
1115
1116 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta)
1117 {
1118         if (!(sta->flags & WLAN_STA_PENDING_DISASSOC_CB)) {
1119                 wpa_printf(MSG_DEBUG, "Ignore disassoc cb for test frame");
1120                 return;
1121         }
1122         sta->flags &= ~WLAN_STA_PENDING_DISASSOC_CB;
1123         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
1124         ap_sta_disassoc_cb_timeout(hapd, sta);
1125 }
1126
1127
1128 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen)
1129 {
1130         int res;
1131
1132         buf[0] = '\0';
1133         res = os_snprintf(buf, buflen, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
1134                           (flags & WLAN_STA_AUTH ? "[AUTH]" : ""),
1135                           (flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""),
1136                           (flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" : ""),
1137                           (flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" :
1138                            ""),
1139                           (flags & WLAN_STA_SHORT_PREAMBLE ?
1140                            "[SHORT_PREAMBLE]" : ""),
1141                           (flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""),
1142                           (flags & WLAN_STA_WMM ? "[WMM]" : ""),
1143                           (flags & WLAN_STA_MFP ? "[MFP]" : ""),
1144                           (flags & WLAN_STA_WPS ? "[WPS]" : ""),
1145                           (flags & WLAN_STA_MAYBE_WPS ? "[MAYBE_WPS]" : ""),
1146                           (flags & WLAN_STA_WDS ? "[WDS]" : ""),
1147                           (flags & WLAN_STA_NONERP ? "[NonERP]" : ""),
1148                           (flags & WLAN_STA_WPS2 ? "[WPS2]" : ""),
1149                           (flags & WLAN_STA_GAS ? "[GAS]" : ""),
1150                           (flags & WLAN_STA_VHT ? "[VHT]" : ""),
1151                           (flags & WLAN_STA_VENDOR_VHT ? "[VENDOR_VHT]" : ""),
1152                           (flags & WLAN_STA_WNM_SLEEP_MODE ?
1153                            "[WNM_SLEEP_MODE]" : ""));
1154         if (os_snprintf_error(buflen, res))
1155                 res = -1;
1156
1157         return res;
1158 }