src/ap/sta_info.c

   1 /*
   2  * hostapd / Station table
   3  * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "utils/eloop.h"
  13 #include "common/ieee802_11_defs.h"
  14 #include "common/wpa_ctrl.h"
  15 #include "common/sae.h"
  16 #include "radius/radius.h"
  17 #include "radius/radius_client.h"
  18 #include "p2p/p2p.h"
  19 #include "hostapd.h"
  20 #include "accounting.h"
  21 #include "ieee802_1x.h"
  22 #include "ieee802_11.h"
  23 #include "ieee802_11_auth.h"
  24 #include "wpa_auth.h"
  25 #include "preauth_auth.h"
  26 #include "ap_config.h"
  27 #include "beacon.h"
  28 #include "ap_mlme.h"
  29 #include "vlan_init.h"
  30 #include "p2p_hostapd.h"
  31 #include "ap_drv_ops.h"
  32 #include "gas_serv.h"
  33 #include "wnm_ap.h"
  34 #include "ndisc_snoop.h"
  35 #include "sta_info.h"
  36
  37 static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
  38                                        struct sta_info *sta);
  39 static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx);
  40 static void ap_handle_session_warning_timer(void *eloop_ctx, void *timeout_ctx);
  41 static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx);
  42 static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx);
  43 #ifdef CONFIG_IEEE80211W
  44 static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx);
  45 #endif /* CONFIG_IEEE80211W */
  46 static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta);
  47
  48 int ap_for_each_sta(struct hostapd_data *hapd,
  49                     int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
  50                               void *ctx),
  51                     void *ctx)
  52 {
  53         struct sta_info *sta;
  54
  55         for (sta = hapd->sta_list; sta; sta = sta->next) {
  56                 if (cb(hapd, sta, ctx))
  57                         return 1;
  58         }
  59
  60         return 0;
  61 }
  62
  63
  64 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta)
  65 {
  66         struct sta_info *s;
  67
  68         s = hapd->sta_hash[STA_HASH(sta)];
  69         while (s != NULL && os_memcmp(s->addr, sta, 6) != 0)
  70                 s = s->hnext;
  71         return s;
  72 }
  73
  74
  75 #ifdef CONFIG_P2P
  76 struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr)
  77 {
  78         struct sta_info *sta;
  79
  80         for (sta = hapd->sta_list; sta; sta = sta->next) {
  81                 const u8 *p2p_dev_addr;
  82
  83                 if (sta->p2p_ie == NULL)
  84                         continue;
  85
  86                 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
  87                 if (p2p_dev_addr == NULL)
  88                         continue;
  89
  90                 if (os_memcmp(p2p_dev_addr, addr, ETH_ALEN) == 0)
  91                         return sta;
  92         }
  93
  94         return NULL;
  95 }
  96 #endif /* CONFIG_P2P */
  97
  98
  99 static void ap_sta_list_del(struct hostapd_data *hapd, struct sta_info *sta)
 100 {
 101         struct sta_info *tmp;
 102
 103         if (hapd->sta_list == sta) {
 104                 hapd->sta_list = sta->next;
 105                 return;
 106         }
 107
 108         tmp = hapd->sta_list;
 109         while (tmp != NULL && tmp->next != sta)
 110                 tmp = tmp->next;
 111         if (tmp == NULL) {
 112                 wpa_printf(MSG_DEBUG, "Could not remove STA " MACSTR " from "
 113                            "list.", MAC2STR(sta->addr));
 114         } else
 115                 tmp->next = sta->next;
 116 }
 117
 118
 119 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta)
 120 {
 121         sta->hnext = hapd->sta_hash[STA_HASH(sta->addr)];
 122         hapd->sta_hash[STA_HASH(sta->addr)] = sta;
 123 }
 124
 125
 126 static void ap_sta_hash_del(struct hostapd_data *hapd, struct sta_info *sta)
 127 {
 128         struct sta_info *s;
 129
 130         s = hapd->sta_hash[STA_HASH(sta->addr)];
 131         if (s == NULL) return;
 132         if (os_memcmp(s->addr, sta->addr, 6) == 0) {
 133                 hapd->sta_hash[STA_HASH(sta->addr)] = s->hnext;
 134                 return;
 135         }
 136
 137         while (s->hnext != NULL &&
 138                os_memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0)
 139                 s = s->hnext;
 140         if (s->hnext != NULL)
 141                 s->hnext = s->hnext->hnext;
 142         else
 143                 wpa_printf(MSG_DEBUG, "AP: could not remove STA " MACSTR
 144                            " from hash table", MAC2STR(sta->addr));
 145 }
 146
 147
 148 void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta)
 149 {
 150         sta_ip6addr_del(hapd, sta);
 151 }
 152
 153
 154 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
 155 {
 156         int set_beacon = 0;
 157
 158         accounting_sta_stop(hapd, sta);
 159
 160         /* just in case */
 161         ap_sta_set_authorized(hapd, sta, 0);
 162
 163         if (sta->flags & WLAN_STA_WDS)
 164                 hostapd_set_wds_sta(hapd, NULL, sta->addr, sta->aid, 0);
 165
 166         if (sta->ipaddr)
 167                 hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
 168         ap_sta_ip6addr_del(hapd, sta);
 169
 170         if (!hapd->iface->driver_ap_teardown &&
 171             !(sta->flags & WLAN_STA_PREAUTH))
 172                 hostapd_drv_sta_remove(hapd, sta->addr);
 173
 174         ap_sta_hash_del(hapd, sta);
 175         ap_sta_list_del(hapd, sta);
 176
 177         if (sta->aid > 0)
 178                 hapd->sta_aid[(sta->aid - 1) / 32] &=
 179                         ~BIT((sta->aid - 1) % 32);
 180
 181         hapd->num_sta--;
 182         if (sta->nonerp_set) {
 183                 sta->nonerp_set = 0;
 184                 hapd->iface->num_sta_non_erp--;
 185                 if (hapd->iface->num_sta_non_erp == 0)
 186                         set_beacon++;
 187         }
 188
 189         if (sta->no_short_slot_time_set) {
 190                 sta->no_short_slot_time_set = 0;
 191                 hapd->iface->num_sta_no_short_slot_time--;
 192                 if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
 193                     && hapd->iface->num_sta_no_short_slot_time == 0)
 194                         set_beacon++;
 195         }
 196
 197         if (sta->no_short_preamble_set) {
 198                 sta->no_short_preamble_set = 0;
 199                 hapd->iface->num_sta_no_short_preamble--;
 200                 if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
 201                     && hapd->iface->num_sta_no_short_preamble == 0)
 202                         set_beacon++;
 203         }
 204
 205         if (sta->no_ht_gf_set) {
 206                 sta->no_ht_gf_set = 0;
 207                 hapd->iface->num_sta_ht_no_gf--;
 208         }
 209
 210         if (sta->no_ht_set) {
 211                 sta->no_ht_set = 0;
 212                 hapd->iface->num_sta_no_ht--;
 213         }
 214
 215         if (sta->ht_20mhz_set) {
 216                 sta->ht_20mhz_set = 0;
 217                 hapd->iface->num_sta_ht_20mhz--;
 218         }
 219
 220 #ifdef CONFIG_IEEE80211N
 221         ht40_intolerant_remove(hapd->iface, sta);
 222 #endif /* CONFIG_IEEE80211N */
 223
 224 #ifdef CONFIG_P2P
 225         if (sta->no_p2p_set) {
 226                 sta->no_p2p_set = 0;
 227                 hapd->num_sta_no_p2p--;
 228                 if (hapd->num_sta_no_p2p == 0)
 229                         hostapd_p2p_non_p2p_sta_disconnected(hapd);
 230         }
 231 #endif /* CONFIG_P2P */
 232
 233 #if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
 234         if (hostapd_ht_operation_update(hapd->iface) > 0)
 235                 set_beacon++;
 236 #endif /* NEED_AP_MLME && CONFIG_IEEE80211N */
 237
 238 #ifdef CONFIG_MESH
 239         if (hapd->mesh_sta_free_cb)
 240                 hapd->mesh_sta_free_cb(sta);
 241 #endif /* CONFIG_MESH */
 242
 243         if (set_beacon)
 244                 ieee802_11_set_beacons(hapd->iface);
 245
 246         wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR,
 247                    __func__, MAC2STR(sta->addr));
 248         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 249         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 250         eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
 251         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
 252         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
 253         sae_clear_retransmit_timer(hapd, sta);
 254
 255         ieee802_1x_free_station(sta);
 256         wpa_auth_sta_deinit(sta->wpa_sm);
 257         rsn_preauth_free_station(hapd, sta);
 258 #ifndef CONFIG_NO_RADIUS
 259         if (hapd->radius)
 260                 radius_client_flush_auth(hapd->radius, sta->addr);
 261 #endif /* CONFIG_NO_RADIUS */
 262
 263         os_free(sta->challenge);
 264
 265 #ifdef CONFIG_IEEE80211W
 266         os_free(sta->sa_query_trans_id);
 267         eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 268 #endif /* CONFIG_IEEE80211W */
 269
 270 #ifdef CONFIG_P2P
 271         p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
 272 #endif /* CONFIG_P2P */
 273
 274 #ifdef CONFIG_INTERWORKING
 275         if (sta->gas_dialog) {
 276                 int i;
 277                 for (i = 0; i < GAS_DIALOG_MAX; i++)
 278                         gas_serv_dialog_clear(&sta->gas_dialog[i]);
 279                 os_free(sta->gas_dialog);
 280         }
 281 #endif /* CONFIG_INTERWORKING */
 282
 283         wpabuf_free(sta->wps_ie);
 284         wpabuf_free(sta->p2p_ie);
 285         wpabuf_free(sta->hs20_ie);
 286
 287         os_free(sta->ht_capabilities);
 288         os_free(sta->vht_capabilities);
 289         hostapd_free_psk_list(sta->psk);
 290         os_free(sta->identity);
 291         os_free(sta->radius_cui);
 292         os_free(sta->remediation_url);
 293         wpabuf_free(sta->hs20_deauth_req);
 294         os_free(sta->hs20_session_info_url);
 295
 296 #ifdef CONFIG_SAE
 297         sae_clear_data(sta->sae);
 298         os_free(sta->sae);
 299 #endif /* CONFIG_SAE */
 300
 301         os_free(sta);
 302 }
 303
 304
 305 void hostapd_free_stas(struct hostapd_data *hapd)
 306 {
 307         struct sta_info *sta, *prev;
 308
 309         sta = hapd->sta_list;
 310
 311         while (sta) {
 312                 prev = sta;
 313                 if (sta->flags & WLAN_STA_AUTH) {
 314                         mlme_deauthenticate_indication(
 315                                 hapd, sta, WLAN_REASON_UNSPECIFIED);
 316                 }
 317                 sta = sta->next;
 318                 wpa_printf(MSG_DEBUG, "Removing station " MACSTR,
 319                            MAC2STR(prev->addr));
 320                 ap_free_sta(hapd, prev);
 321         }
 322 }
 323
 324
 325 /**
 326  * ap_handle_timer - Per STA timer handler
 327  * @eloop_ctx: struct hostapd_data *
 328  * @timeout_ctx: struct sta_info *
 329  *
 330  * This function is called to check station activity and to remove inactive
 331  * stations.
 332  */
 333 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx)
 334 {
 335         struct hostapd_data *hapd = eloop_ctx;
 336         struct sta_info *sta = timeout_ctx;
 337         unsigned long next_time = 0;
 338         int reason;
 339
 340         wpa_printf(MSG_DEBUG, "%s: " MACSTR " flags=0x%x timeout_next=%d",
 341                    __func__, MAC2STR(sta->addr), sta->flags,
 342                    sta->timeout_next);
 343         if (sta->timeout_next == STA_REMOVE) {
 344                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 345                                HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 346                                "local deauth request");
 347                 ap_free_sta(hapd, sta);
 348                 return;
 349         }
 350
 351         if ((sta->flags & WLAN_STA_ASSOC) &&
 352             (sta->timeout_next == STA_NULLFUNC ||
 353              sta->timeout_next == STA_DISASSOC)) {
 354                 int inactive_sec;
 355                 /*
 356                  * Add random value to timeout so that we don't end up bouncing
 357                  * all stations at the same time if we have lots of associated
 358                  * stations that are idle (but keep re-associating).
 359                  */
 360                 int fuzz = os_random() % 20;
 361                 inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr);
 362                 if (inactive_sec == -1) {
 363                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 364                                 "Check inactivity: Could not "
 365                                 "get station info from kernel driver for "
 366                                 MACSTR, MAC2STR(sta->addr));
 367                         /*
 368                          * The driver may not support this functionality.
 369                          * Anyway, try again after the next inactivity timeout,
 370                          * but do not disconnect the station now.
 371                          */
 372                         next_time = hapd->conf->ap_max_inactivity + fuzz;
 373                 } else if (inactive_sec == -ENOENT) {
 374                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 375                                 "Station " MACSTR " has lost its driver entry",
 376                                 MAC2STR(sta->addr));
 377
 378                         if (hapd->conf->skip_inactivity_poll)
 379                                 sta->timeout_next = STA_DISASSOC;
 380                 } else if (inactive_sec < hapd->conf->ap_max_inactivity) {
 381                         /* station activity detected; reset timeout state */
 382                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 383                                 "Station " MACSTR " has been active %is ago",
 384                                 MAC2STR(sta->addr), inactive_sec);
 385                         sta->timeout_next = STA_NULLFUNC;
 386                         next_time = hapd->conf->ap_max_inactivity + fuzz -
 387                                 inactive_sec;
 388                 } else {
 389                         wpa_msg(hapd->msg_ctx, MSG_DEBUG,
 390                                 "Station " MACSTR " has been "
 391                                 "inactive too long: %d sec, max allowed: %d",
 392                                 MAC2STR(sta->addr), inactive_sec,
 393                                 hapd->conf->ap_max_inactivity);
 394
 395                         if (hapd->conf->skip_inactivity_poll)
 396                                 sta->timeout_next = STA_DISASSOC;
 397                 }
 398         }
 399
 400         if ((sta->flags & WLAN_STA_ASSOC) &&
 401             sta->timeout_next == STA_DISASSOC &&
 402             !(sta->flags & WLAN_STA_PENDING_POLL) &&
 403             !hapd->conf->skip_inactivity_poll) {
 404                 wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR
 405                         " has ACKed data poll", MAC2STR(sta->addr));
 406                 /* data nullfunc frame poll did not produce TX errors; assume
 407                  * station ACKed it */
 408                 sta->timeout_next = STA_NULLFUNC;
 409                 next_time = hapd->conf->ap_max_inactivity;
 410         }
 411
 412         if (next_time) {
 413                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 414                            "for " MACSTR " (%lu seconds)",
 415                            __func__, MAC2STR(sta->addr), next_time);
 416                 eloop_register_timeout(next_time, 0, ap_handle_timer, hapd,
 417                                        sta);
 418                 return;
 419         }
 420
 421         if (sta->timeout_next == STA_NULLFUNC &&
 422             (sta->flags & WLAN_STA_ASSOC)) {
 423                 wpa_printf(MSG_DEBUG, "  Polling STA");
 424                 sta->flags |= WLAN_STA_PENDING_POLL;
 425                 hostapd_drv_poll_client(hapd, hapd->own_addr, sta->addr,
 426                                         sta->flags & WLAN_STA_WMM);
 427         } else if (sta->timeout_next != STA_REMOVE) {
 428                 int deauth = sta->timeout_next == STA_DEAUTH;
 429
 430                 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
 431                         "Timeout, sending %s info to STA " MACSTR,
 432                         deauth ? "deauthentication" : "disassociation",
 433                         MAC2STR(sta->addr));
 434
 435                 if (deauth) {
 436                         hostapd_drv_sta_deauth(
 437                                 hapd, sta->addr,
 438                                 WLAN_REASON_PREV_AUTH_NOT_VALID);
 439                 } else {
 440                         reason = (sta->timeout_next == STA_DISASSOC) ?
 441                                 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
 442                                 WLAN_REASON_PREV_AUTH_NOT_VALID;
 443
 444                         hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
 445                 }
 446         }
 447
 448         switch (sta->timeout_next) {
 449         case STA_NULLFUNC:
 450                 sta->timeout_next = STA_DISASSOC;
 451                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 452                            "for " MACSTR " (%d seconds - AP_DISASSOC_DELAY)",
 453                            __func__, MAC2STR(sta->addr), AP_DISASSOC_DELAY);
 454                 eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer,
 455                                        hapd, sta);
 456                 break;
 457         case STA_DISASSOC:
 458         case STA_DISASSOC_FROM_CLI:
 459                 ap_sta_set_authorized(hapd, sta, 0);
 460                 sta->flags &= ~WLAN_STA_ASSOC;
 461                 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 462                 if (!sta->acct_terminate_cause)
 463                         sta->acct_terminate_cause =
 464                                 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
 465                 accounting_sta_stop(hapd, sta);
 466                 ieee802_1x_free_station(sta);
 467                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 468                                HOSTAPD_LEVEL_INFO, "disassociated due to "
 469                                "inactivity");
 470                 reason = (sta->timeout_next == STA_DISASSOC) ?
 471                         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
 472                         WLAN_REASON_PREV_AUTH_NOT_VALID;
 473                 sta->timeout_next = STA_DEAUTH;
 474                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 475                            "for " MACSTR " (%d seconds - AP_DEAUTH_DELAY)",
 476                            __func__, MAC2STR(sta->addr), AP_DEAUTH_DELAY);
 477                 eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
 478                                        hapd, sta);
 479                 mlme_disassociate_indication(hapd, sta, reason);
 480                 break;
 481         case STA_DEAUTH:
 482         case STA_REMOVE:
 483                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 484                                HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 485                                "inactivity (timer DEAUTH/REMOVE)");
 486                 if (!sta->acct_terminate_cause)
 487                         sta->acct_terminate_cause =
 488                                 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
 489                 mlme_deauthenticate_indication(
 490                         hapd, sta,
 491                         WLAN_REASON_PREV_AUTH_NOT_VALID);
 492                 ap_free_sta(hapd, sta);
 493                 break;
 494         }
 495 }
 496
 497
 498 static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx)
 499 {
 500         struct hostapd_data *hapd = eloop_ctx;
 501         struct sta_info *sta = timeout_ctx;
 502
 503         if (!(sta->flags & WLAN_STA_AUTH)) {
 504                 if (sta->flags & WLAN_STA_GAS) {
 505                         wpa_printf(MSG_DEBUG, "GAS: Remove temporary STA "
 506                                    "entry " MACSTR, MAC2STR(sta->addr));
 507                         ap_free_sta(hapd, sta);
 508                 }
 509                 return;
 510         }
 511
 512         hostapd_drv_sta_deauth(hapd, sta->addr,
 513                                WLAN_REASON_PREV_AUTH_NOT_VALID);
 514         mlme_deauthenticate_indication(hapd, sta,
 515                                        WLAN_REASON_PREV_AUTH_NOT_VALID);
 516         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 517                        HOSTAPD_LEVEL_INFO, "deauthenticated due to "
 518                        "session timeout");
 519         sta->acct_terminate_cause =
 520                 RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT;
 521         ap_free_sta(hapd, sta);
 522 }
 523
 524
 525 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
 526                               u32 session_timeout)
 527 {
 528         if (eloop_replenish_timeout(session_timeout, 0,
 529                                     ap_handle_session_timer, hapd, sta) == 1) {
 530                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 531                                HOSTAPD_LEVEL_DEBUG, "setting session timeout "
 532                                "to %d seconds", session_timeout);
 533         }
 534 }
 535
 536
 537 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
 538                             u32 session_timeout)
 539 {
 540         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 541                        HOSTAPD_LEVEL_DEBUG, "setting session timeout to %d "
 542                        "seconds", session_timeout);
 543         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 544         eloop_register_timeout(session_timeout, 0, ap_handle_session_timer,
 545                                hapd, sta);
 546 }
 547
 548
 549 void ap_sta_no_session_timeout(struct hostapd_data *hapd, struct sta_info *sta)
 550 {
 551         eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
 552 }
 553
 554
 555 static void ap_handle_session_warning_timer(void *eloop_ctx, void *timeout_ctx)
 556 {
 557 #ifdef CONFIG_WNM
 558         struct hostapd_data *hapd = eloop_ctx;
 559         struct sta_info *sta = timeout_ctx;
 560
 561         wpa_printf(MSG_DEBUG, "WNM: Session warning time reached for " MACSTR,
 562                    MAC2STR(sta->addr));
 563         if (sta->hs20_session_info_url == NULL)
 564                 return;
 565
 566         wnm_send_ess_disassoc_imminent(hapd, sta, sta->hs20_session_info_url,
 567                                        sta->hs20_disassoc_timer);
 568 #endif /* CONFIG_WNM */
 569 }
 570
 571
 572 void ap_sta_session_warning_timeout(struct hostapd_data *hapd,
 573                                     struct sta_info *sta, int warning_time)
 574 {
 575         eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
 576         eloop_register_timeout(warning_time, 0, ap_handle_session_warning_timer,
 577                                hapd, sta);
 578 }
 579
 580
 581 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr)
 582 {
 583         struct sta_info *sta;
 584
 585         sta = ap_get_sta(hapd, addr);
 586         if (sta)
 587                 return sta;
 588
 589         wpa_printf(MSG_DEBUG, "  New STA");
 590         if (hapd->num_sta >= hapd->conf->max_num_sta) {
 591                 /* FIX: might try to remove some old STAs first? */
 592                 wpa_printf(MSG_DEBUG, "no more room for new STAs (%d/%d)",
 593                            hapd->num_sta, hapd->conf->max_num_sta);
 594                 return NULL;
 595         }
 596
 597         sta = os_zalloc(sizeof(struct sta_info));
 598         if (sta == NULL) {
 599                 wpa_printf(MSG_ERROR, "malloc failed");
 600                 return NULL;
 601         }
 602         sta->acct_interim_interval = hapd->conf->acct_interim_interval;
 603         accounting_sta_get_id(hapd, sta);
 604
 605         if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
 606                 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
 607                            "for " MACSTR " (%d seconds - ap_max_inactivity)",
 608                            __func__, MAC2STR(addr),
 609                            hapd->conf->ap_max_inactivity);
 610                 eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
 611                                        ap_handle_timer, hapd, sta);
 612         }
 613
 614         /* initialize STA info data */
 615         os_memcpy(sta->addr, addr, ETH_ALEN);
 616         sta->next = hapd->sta_list;
 617         hapd->sta_list = sta;
 618         hapd->num_sta++;
 619         ap_sta_hash_add(hapd, sta);
 620         sta->ssid = &hapd->conf->ssid;
 621         ap_sta_remove_in_other_bss(hapd, sta);
 622         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 623         dl_list_init(&sta->ip6addr);
 624
 625         return sta;
 626 }
 627
 628
 629 static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta)
 630 {
 631         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
 632
 633         if (sta->ipaddr)
 634                 hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
 635         ap_sta_ip6addr_del(hapd, sta);
 636
 637         wpa_printf(MSG_DEBUG, "Removing STA " MACSTR " from kernel driver",
 638                    MAC2STR(sta->addr));
 639         if (hostapd_drv_sta_remove(hapd, sta->addr) &&
 640             sta->flags & WLAN_STA_ASSOC) {
 641                 wpa_printf(MSG_DEBUG, "Could not remove station " MACSTR
 642                            " from kernel driver.", MAC2STR(sta->addr));
 643                 return -1;
 644         }
 645         return 0;
 646 }
 647
 648
 649 static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
 650                                        struct sta_info *sta)
 651 {
 652         struct hostapd_iface *iface = hapd->iface;
 653         size_t i;
 654
 655         for (i = 0; i < iface->num_bss; i++) {
 656                 struct hostapd_data *bss = iface->bss[i];
 657                 struct sta_info *sta2;
 658                 /* bss should always be set during operation, but it may be
 659                  * NULL during reconfiguration. Assume the STA is not
 660                  * associated to another BSS in that case to avoid NULL pointer
 661                  * dereferences. */
 662                 if (bss == hapd || bss == NULL)
 663                         continue;
 664                 sta2 = ap_get_sta(bss, sta->addr);
 665                 if (!sta2)
 666                         continue;
 667
 668                 ap_sta_disconnect(bss, sta2, sta2->addr,
 669                                   WLAN_REASON_PREV_AUTH_NOT_VALID);
 670         }
 671 }
 672
 673
 674 static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx)
 675 {
 676         struct hostapd_data *hapd = eloop_ctx;
 677         struct sta_info *sta = timeout_ctx;
 678
 679         ap_sta_remove(hapd, sta);
 680         mlme_disassociate_indication(hapd, sta, sta->disassoc_reason);
 681 }
 682
 683
 684 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
 685                          u16 reason)
 686 {
 687         wpa_printf(MSG_DEBUG, "%s: disassociate STA " MACSTR,
 688                    hapd->conf->iface, MAC2STR(sta->addr));
 689         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 690         sta->flags &= ~(WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
 691         ap_sta_set_authorized(hapd, sta, 0);
 692         sta->timeout_next = STA_DEAUTH;
 693         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
 694                    "for " MACSTR " (%d seconds - "
 695                    "AP_MAX_INACTIVITY_AFTER_DISASSOC)",
 696                    __func__, MAC2STR(sta->addr),
 697                    AP_MAX_INACTIVITY_AFTER_DISASSOC);
 698         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 699         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0,
 700                                ap_handle_timer, hapd, sta);
 701         accounting_sta_stop(hapd, sta);
 702         ieee802_1x_free_station(sta);
 703
 704         sta->disassoc_reason = reason;
 705         sta->flags |= WLAN_STA_PENDING_DISASSOC_CB;
 706         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
 707         eloop_register_timeout(hapd->iface->drv_flags &
 708                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
 709                                ap_sta_disassoc_cb_timeout, hapd, sta);
 710 }
 711
 712
 713 static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx)
 714 {
 715         struct hostapd_data *hapd = eloop_ctx;
 716         struct sta_info *sta = timeout_ctx;
 717
 718         ap_sta_remove(hapd, sta);
 719         mlme_deauthenticate_indication(hapd, sta, sta->deauth_reason);
 720 }
 721
 722
 723 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
 724                            u16 reason)
 725 {
 726         wpa_printf(MSG_DEBUG, "%s: deauthenticate STA " MACSTR,
 727                    hapd->conf->iface, MAC2STR(sta->addr));
 728         sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
 729         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
 730         ap_sta_set_authorized(hapd, sta, 0);
 731         sta->timeout_next = STA_REMOVE;
 732         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
 733                    "for " MACSTR " (%d seconds - "
 734                    "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
 735                    __func__, MAC2STR(sta->addr),
 736                    AP_MAX_INACTIVITY_AFTER_DEAUTH);
 737         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
 738         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
 739                                ap_handle_timer, hapd, sta);
 740         accounting_sta_stop(hapd, sta);
 741         ieee802_1x_free_station(sta);
 742
 743         sta->deauth_reason = reason;
 744         sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
 745         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
 746         eloop_register_timeout(hapd->iface->drv_flags &
 747                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
 748                                ap_sta_deauth_cb_timeout, hapd, sta);
 749 }
 750
 751
 752 #ifdef CONFIG_WPS
 753 int ap_sta_wps_cancel(struct hostapd_data *hapd,
 754                       struct sta_info *sta, void *ctx)
 755 {
 756         if (sta && (sta->flags & WLAN_STA_WPS)) {
 757                 ap_sta_deauthenticate(hapd, sta,
 758                                       WLAN_REASON_PREV_AUTH_NOT_VALID);
 759                 wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
 760                            __func__, MAC2STR(sta->addr));
 761                 return 1;
 762         }
 763
 764         return 0;
 765 }
 766 #endif /* CONFIG_WPS */
 767
 768
 769 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
 770                      int old_vlanid)
 771 {
 772 #ifndef CONFIG_NO_VLAN
 773         const char *iface;
 774         struct hostapd_vlan *vlan = NULL;
 775         int ret;
 776
 777         /*
 778          * Do not proceed furthur if the vlan id remains same. We do not want
 779          * duplicate dynamic vlan entries.
 780          */
 781         if (sta->vlan_id == old_vlanid)
 782                 return 0;
 783
 784         /*
 785          * During 1x reauth, if the vlan id changes, then remove the old id and
 786          * proceed furthur to add the new one.
 787          */
 788         if (old_vlanid > 0)
 789                 vlan_remove_dynamic(hapd, old_vlanid);
 790
 791         iface = hapd->conf->iface;
 792         if (sta->ssid->vlan[0])
 793                 iface = sta->ssid->vlan;
 794
 795         if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_DISABLED)
 796                 sta->vlan_id = 0;
 797         else if (sta->vlan_id > 0) {
 798                 struct hostapd_vlan *wildcard_vlan = NULL;
 799                 vlan = hapd->conf->vlan;
 800                 while (vlan) {
 801                         if (vlan->vlan_id == sta->vlan_id)
 802                                 break;
 803                         if (vlan->vlan_id == VLAN_ID_WILDCARD)
 804                                 wildcard_vlan = vlan;
 805                         vlan = vlan->next;
 806                 }
 807                 if (!vlan)
 808                         vlan = wildcard_vlan;
 809                 if (vlan)
 810                         iface = vlan->ifname;
 811         }
 812
 813         if (sta->vlan_id > 0 && vlan == NULL) {
 814                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 815                                HOSTAPD_LEVEL_DEBUG, "could not find VLAN for "
 816                                "binding station to (vlan_id=%d)",
 817                                sta->vlan_id);
 818                 return -1;
 819         } else if (sta->vlan_id > 0 && vlan->vlan_id == VLAN_ID_WILDCARD) {
 820                 vlan = vlan_add_dynamic(hapd, vlan, sta->vlan_id);
 821                 if (vlan == NULL) {
 822                         hostapd_logger(hapd, sta->addr,
 823                                        HOSTAPD_MODULE_IEEE80211,
 824                                        HOSTAPD_LEVEL_DEBUG, "could not add "
 825                                        "dynamic VLAN interface for vlan_id=%d",
 826                                        sta->vlan_id);
 827                         return -1;
 828                 }
 829
 830                 iface = vlan->ifname;
 831                 if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) {
 832                         hostapd_logger(hapd, sta->addr,
 833                                        HOSTAPD_MODULE_IEEE80211,
 834                                        HOSTAPD_LEVEL_DEBUG, "could not "
 835                                        "configure encryption for dynamic VLAN "
 836                                        "interface for vlan_id=%d",
 837                                        sta->vlan_id);
 838                 }
 839
 840                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 841                                HOSTAPD_LEVEL_DEBUG, "added new dynamic VLAN "
 842                                "interface '%s'", iface);
 843         } else if (vlan && vlan->vlan_id == sta->vlan_id) {
 844                 if (sta->vlan_id > 0) {
 845                         vlan->dynamic_vlan++;
 846                         hostapd_logger(hapd, sta->addr,
 847                                        HOSTAPD_MODULE_IEEE80211,
 848                                        HOSTAPD_LEVEL_DEBUG, "updated existing "
 849                                        "dynamic VLAN interface '%s'", iface);
 850                 }
 851
 852                 /*
 853                  * Update encryption configuration for statically generated
 854                  * VLAN interface. This is only used for static WEP
 855                  * configuration for the case where hostapd did not yet know
 856                  * which keys are to be used when the interface was added.
 857                  */
 858                 if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) {
 859                         hostapd_logger(hapd, sta->addr,
 860                                        HOSTAPD_MODULE_IEEE80211,
 861                                        HOSTAPD_LEVEL_DEBUG, "could not "
 862                                        "configure encryption for VLAN "
 863                                        "interface for vlan_id=%d",
 864                                        sta->vlan_id);
 865                 }
 866         }
 867
 868         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 869                        HOSTAPD_LEVEL_DEBUG, "binding station to interface "
 870                        "'%s'", iface);
 871
 872         if (wpa_auth_sta_set_vlan(sta->wpa_sm, sta->vlan_id) < 0)
 873                 wpa_printf(MSG_INFO, "Failed to update VLAN-ID for WPA");
 874
 875         ret = hostapd_drv_set_sta_vlan(iface, hapd, sta->addr, sta->vlan_id);
 876         if (ret < 0) {
 877                 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 878                                HOSTAPD_LEVEL_DEBUG, "could not bind the STA "
 879                                "entry to vlan_id=%d", sta->vlan_id);
 880         }
 881         return ret;
 882 #else /* CONFIG_NO_VLAN */
 883         return 0;
 884 #endif /* CONFIG_NO_VLAN */
 885 }
 886
 887
 888 #ifdef CONFIG_IEEE80211W
 889
 890 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta)
 891 {
 892         u32 tu;
 893         struct os_reltime now, passed;
 894         os_get_reltime(&now);
 895         os_reltime_sub(&now, &sta->sa_query_start, &passed);
 896         tu = (passed.sec * 1000000 + passed.usec) / 1024;
 897         if (hapd->conf->assoc_sa_query_max_timeout < tu) {
 898                 hostapd_logger(hapd, sta->addr,
 899                                HOSTAPD_MODULE_IEEE80211,
 900                                HOSTAPD_LEVEL_DEBUG,
 901                                "association SA Query timed out");
 902                 sta->sa_query_timed_out = 1;
 903                 os_free(sta->sa_query_trans_id);
 904                 sta->sa_query_trans_id = NULL;
 905                 sta->sa_query_count = 0;
 906                 eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 907                 return 1;
 908         }
 909
 910         return 0;
 911 }
 912
 913
 914 static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
 915 {
 916         struct hostapd_data *hapd = eloop_ctx;
 917         struct sta_info *sta = timeout_ctx;
 918         unsigned int timeout, sec, usec;
 919         u8 *trans_id, *nbuf;
 920
 921         if (sta->sa_query_count > 0 &&
 922             ap_check_sa_query_timeout(hapd, sta))
 923                 return;
 924
 925         nbuf = os_realloc_array(sta->sa_query_trans_id,
 926                                 sta->sa_query_count + 1,
 927                                 WLAN_SA_QUERY_TR_ID_LEN);
 928         if (nbuf == NULL)
 929                 return;
 930         if (sta->sa_query_count == 0) {
 931                 /* Starting a new SA Query procedure */
 932                 os_get_reltime(&sta->sa_query_start);
 933         }
 934         trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
 935         sta->sa_query_trans_id = nbuf;
 936         sta->sa_query_count++;
 937
 938         if (os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0) {
 939                 /*
 940                  * We don't really care which ID is used here, so simply
 941                  * hardcode this if the mostly theoretical os_get_random()
 942                  * failure happens.
 943                  */
 944                 trans_id[0] = 0x12;
 945                 trans_id[1] = 0x34;
 946         }
 947
 948         timeout = hapd->conf->assoc_sa_query_retry_timeout;
 949         sec = ((timeout / 1000) * 1024) / 1000;
 950         usec = (timeout % 1000) * 1024;
 951         eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta);
 952
 953         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
 954                        HOSTAPD_LEVEL_DEBUG,
 955                        "association SA Query attempt %d", sta->sa_query_count);
 956
 957         ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
 958 }
 959
 960
 961 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
 962 {
 963         ap_sa_query_timer(hapd, sta);
 964 }
 965
 966
 967 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
 968 {
 969         eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
 970         os_free(sta->sa_query_trans_id);
 971         sta->sa_query_trans_id = NULL;
 972         sta->sa_query_count = 0;
 973 }
 974
 975 #endif /* CONFIG_IEEE80211W */
 976
 977
 978 void ap_sta_set_authorized(struct hostapd_data *hapd, struct sta_info *sta,
 979                            int authorized)
 980 {
 981         const u8 *dev_addr = NULL;
 982         char buf[100];
 983 #ifdef CONFIG_P2P
 984         u8 addr[ETH_ALEN];
 985         u8 ip_addr_buf[4];
 986 #endif /* CONFIG_P2P */
 987
 988         if (!!authorized == !!(sta->flags & WLAN_STA_AUTHORIZED))
 989                 return;
 990
 991         if (authorized)
 992                 sta->flags |= WLAN_STA_AUTHORIZED;
 993         else
 994                 sta->flags &= ~WLAN_STA_AUTHORIZED;
 995
 996 #ifdef CONFIG_P2P
 997         if (hapd->p2p_group == NULL) {
 998                 if (sta->p2p_ie != NULL &&
 999                     p2p_parse_dev_addr_in_p2p_ie(sta->p2p_ie, addr) == 0)
1000                         dev_addr = addr;
1001         } else
1002                 dev_addr = p2p_group_get_dev_addr(hapd->p2p_group, sta->addr);
1003
1004         if (dev_addr)
1005                 os_snprintf(buf, sizeof(buf), MACSTR " p2p_dev_addr=" MACSTR,
1006                             MAC2STR(sta->addr), MAC2STR(dev_addr));
1007         else
1008 #endif /* CONFIG_P2P */
1009                 os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(sta->addr));
1010
1011         if (hapd->sta_authorized_cb)
1012                 hapd->sta_authorized_cb(hapd->sta_authorized_cb_ctx,
1013                                         sta->addr, authorized, dev_addr);
1014
1015         if (authorized) {
1016                 char ip_addr[100];
1017                 ip_addr[0] = '\0';
1018 #ifdef CONFIG_P2P
1019                 if (wpa_auth_get_ip_addr(sta->wpa_sm, ip_addr_buf) == 0) {
1020                         os_snprintf(ip_addr, sizeof(ip_addr),
1021                                     " ip_addr=%u.%u.%u.%u",
1022                                     ip_addr_buf[0], ip_addr_buf[1],
1023                                     ip_addr_buf[2], ip_addr_buf[3]);
1024                 }
1025 #endif /* CONFIG_P2P */
1026
1027                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_CONNECTED "%s%s",
1028                         buf, ip_addr);
1029
1030                 if (hapd->msg_ctx_parent &&
1031                     hapd->msg_ctx_parent != hapd->msg_ctx)
1032                         wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
1033                                           AP_STA_CONNECTED "%s%s",
1034                                           buf, ip_addr);
1035         } else {
1036                 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED "%s", buf);
1037
1038                 if (hapd->msg_ctx_parent &&
1039                     hapd->msg_ctx_parent != hapd->msg_ctx)
1040                         wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
1041                                           AP_STA_DISCONNECTED "%s", buf);
1042         }
1043 }
1044
1045
1046 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
1047                        const u8 *addr, u16 reason)
1048 {
1049
1050         if (sta == NULL && addr)
1051                 sta = ap_get_sta(hapd, addr);
1052
1053         if (addr)
1054                 hostapd_drv_sta_deauth(hapd, addr, reason);
1055
1056         if (sta == NULL)
1057                 return;
1058         ap_sta_set_authorized(hapd, sta, 0);
1059         wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
1060         ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
1061         sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
1062         wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
1063                    "for " MACSTR " (%d seconds - "
1064                    "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
1065                    __func__, MAC2STR(sta->addr),
1066                    AP_MAX_INACTIVITY_AFTER_DEAUTH);
1067         eloop_cancel_timeout(ap_handle_timer, hapd, sta);
1068         eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
1069                                ap_handle_timer, hapd, sta);
1070         sta->timeout_next = STA_REMOVE;
1071
1072         sta->deauth_reason = reason;
1073         sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
1074         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1075         eloop_register_timeout(hapd->iface->drv_flags &
1076                                WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
1077                                ap_sta_deauth_cb_timeout, hapd, sta);
1078 }
1079
1080
1081 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta)
1082 {
1083         if (!(sta->flags & WLAN_STA_PENDING_DEAUTH_CB)) {
1084                 wpa_printf(MSG_DEBUG, "Ignore deauth cb for test frame");
1085                 return;
1086         }
1087         sta->flags &= ~WLAN_STA_PENDING_DEAUTH_CB;
1088         eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1089         ap_sta_deauth_cb_timeout(hapd, sta);
1090 }
1091
1092
1093 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta)
1094 {
1095         if (!(sta->flags & WLAN_STA_PENDING_DISASSOC_CB)) {
1096                 wpa_printf(MSG_DEBUG, "Ignore disassoc cb for test frame");
1097                 return;
1098         }
1099         sta->flags &= ~WLAN_STA_PENDING_DISASSOC_CB;
1100         eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
1101         ap_sta_disassoc_cb_timeout(hapd, sta);
1102 }
1103
1104
1105 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen)
1106 {
1107         int res;
1108
1109         buf[0] = '\0';
1110         res = os_snprintf(buf, buflen, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
1111                           (flags & WLAN_STA_AUTH ? "[AUTH]" : ""),
1112                           (flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""),
1113                           (flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" : ""),
1114                           (flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" :
1115                            ""),
1116                           (flags & WLAN_STA_SHORT_PREAMBLE ?
1117                            "[SHORT_PREAMBLE]" : ""),
1118                           (flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""),
1119                           (flags & WLAN_STA_WMM ? "[WMM]" : ""),
1120                           (flags & WLAN_STA_MFP ? "[MFP]" : ""),
1121                           (flags & WLAN_STA_WPS ? "[WPS]" : ""),
1122                           (flags & WLAN_STA_MAYBE_WPS ? "[MAYBE_WPS]" : ""),
1123                           (flags & WLAN_STA_WDS ? "[WDS]" : ""),
1124                           (flags & WLAN_STA_NONERP ? "[NonERP]" : ""),
1125                           (flags & WLAN_STA_WPS2 ? "[WPS2]" : ""),
1126                           (flags & WLAN_STA_GAS ? "[GAS]" : ""),
1127                           (flags & WLAN_STA_VHT ? "[VHT]" : ""),
1128                           (flags & WLAN_STA_VENDOR_VHT ? "[VENDOR_VHT]" : ""),
1129                           (flags & WLAN_STA_WNM_SLEEP_MODE ?
1130                            "[WNM_SLEEP_MODE]" : ""));
1131         if (os_snprintf_error(buflen, res))
1132                 res = -1;
1133
1134         return res;
1135 }