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