Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * hostapd / Station table |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 3 | * Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi> |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 4 | * |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 5 | * This software may be distributed under the terms of the BSD license. |
| 6 | * See README for more details. |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 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" |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 14 | #include "common/wpa_ctrl.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 15 | #include "radius/radius.h" |
| 16 | #include "radius/radius_client.h" |
| 17 | #include "drivers/driver.h" |
| 18 | #include "p2p/p2p.h" |
| 19 | #include "hostapd.h" |
| 20 | #include "accounting.h" |
| 21 | #include "ieee802_1x.h" |
| 22 | #include "ieee802_11.h" |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame^] | 23 | #include "ieee802_11_auth.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 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" |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 32 | #include "gas_serv.h" |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 33 | #include "sta_info.h" |
| 34 | |
| 35 | static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd, |
| 36 | struct sta_info *sta); |
| 37 | static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 38 | static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx); |
| 39 | static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 40 | #ifdef CONFIG_IEEE80211W |
| 41 | static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx); |
| 42 | #endif /* CONFIG_IEEE80211W */ |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 43 | static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 44 | |
| 45 | int ap_for_each_sta(struct hostapd_data *hapd, |
| 46 | int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, |
| 47 | void *ctx), |
| 48 | void *ctx) |
| 49 | { |
| 50 | struct sta_info *sta; |
| 51 | |
| 52 | for (sta = hapd->sta_list; sta; sta = sta->next) { |
| 53 | if (cb(hapd, sta, ctx)) |
| 54 | return 1; |
| 55 | } |
| 56 | |
| 57 | return 0; |
| 58 | } |
| 59 | |
| 60 | |
| 61 | struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta) |
| 62 | { |
| 63 | struct sta_info *s; |
| 64 | |
| 65 | s = hapd->sta_hash[STA_HASH(sta)]; |
| 66 | while (s != NULL && os_memcmp(s->addr, sta, 6) != 0) |
| 67 | s = s->hnext; |
| 68 | return s; |
| 69 | } |
| 70 | |
| 71 | |
| 72 | static void ap_sta_list_del(struct hostapd_data *hapd, struct sta_info *sta) |
| 73 | { |
| 74 | struct sta_info *tmp; |
| 75 | |
| 76 | if (hapd->sta_list == sta) { |
| 77 | hapd->sta_list = sta->next; |
| 78 | return; |
| 79 | } |
| 80 | |
| 81 | tmp = hapd->sta_list; |
| 82 | while (tmp != NULL && tmp->next != sta) |
| 83 | tmp = tmp->next; |
| 84 | if (tmp == NULL) { |
| 85 | wpa_printf(MSG_DEBUG, "Could not remove STA " MACSTR " from " |
| 86 | "list.", MAC2STR(sta->addr)); |
| 87 | } else |
| 88 | tmp->next = sta->next; |
| 89 | } |
| 90 | |
| 91 | |
| 92 | void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta) |
| 93 | { |
| 94 | sta->hnext = hapd->sta_hash[STA_HASH(sta->addr)]; |
| 95 | hapd->sta_hash[STA_HASH(sta->addr)] = sta; |
| 96 | } |
| 97 | |
| 98 | |
| 99 | static void ap_sta_hash_del(struct hostapd_data *hapd, struct sta_info *sta) |
| 100 | { |
| 101 | struct sta_info *s; |
| 102 | |
| 103 | s = hapd->sta_hash[STA_HASH(sta->addr)]; |
| 104 | if (s == NULL) return; |
| 105 | if (os_memcmp(s->addr, sta->addr, 6) == 0) { |
| 106 | hapd->sta_hash[STA_HASH(sta->addr)] = s->hnext; |
| 107 | return; |
| 108 | } |
| 109 | |
| 110 | while (s->hnext != NULL && |
| 111 | os_memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0) |
| 112 | s = s->hnext; |
| 113 | if (s->hnext != NULL) |
| 114 | s->hnext = s->hnext->hnext; |
| 115 | else |
| 116 | wpa_printf(MSG_DEBUG, "AP: could not remove STA " MACSTR |
| 117 | " from hash table", MAC2STR(sta->addr)); |
| 118 | } |
| 119 | |
| 120 | |
| 121 | void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta) |
| 122 | { |
| 123 | int set_beacon = 0; |
| 124 | |
| 125 | accounting_sta_stop(hapd, sta); |
| 126 | |
| 127 | /* just in case */ |
| 128 | ap_sta_set_authorized(hapd, sta, 0); |
| 129 | |
| 130 | if (sta->flags & WLAN_STA_WDS) |
| 131 | hostapd_set_wds_sta(hapd, sta->addr, sta->aid, 0); |
| 132 | |
| 133 | if (!(sta->flags & WLAN_STA_PREAUTH)) |
| 134 | hostapd_drv_sta_remove(hapd, sta->addr); |
| 135 | |
| 136 | ap_sta_hash_del(hapd, sta); |
| 137 | ap_sta_list_del(hapd, sta); |
| 138 | |
| 139 | if (sta->aid > 0) |
| 140 | hapd->sta_aid[(sta->aid - 1) / 32] &= |
| 141 | ~BIT((sta->aid - 1) % 32); |
| 142 | |
| 143 | hapd->num_sta--; |
| 144 | if (sta->nonerp_set) { |
| 145 | sta->nonerp_set = 0; |
| 146 | hapd->iface->num_sta_non_erp--; |
| 147 | if (hapd->iface->num_sta_non_erp == 0) |
| 148 | set_beacon++; |
| 149 | } |
| 150 | |
| 151 | if (sta->no_short_slot_time_set) { |
| 152 | sta->no_short_slot_time_set = 0; |
| 153 | hapd->iface->num_sta_no_short_slot_time--; |
| 154 | if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G |
| 155 | && hapd->iface->num_sta_no_short_slot_time == 0) |
| 156 | set_beacon++; |
| 157 | } |
| 158 | |
| 159 | if (sta->no_short_preamble_set) { |
| 160 | sta->no_short_preamble_set = 0; |
| 161 | hapd->iface->num_sta_no_short_preamble--; |
| 162 | if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G |
| 163 | && hapd->iface->num_sta_no_short_preamble == 0) |
| 164 | set_beacon++; |
| 165 | } |
| 166 | |
| 167 | if (sta->no_ht_gf_set) { |
| 168 | sta->no_ht_gf_set = 0; |
| 169 | hapd->iface->num_sta_ht_no_gf--; |
| 170 | } |
| 171 | |
| 172 | if (sta->no_ht_set) { |
| 173 | sta->no_ht_set = 0; |
| 174 | hapd->iface->num_sta_no_ht--; |
| 175 | } |
| 176 | |
| 177 | if (sta->ht_20mhz_set) { |
| 178 | sta->ht_20mhz_set = 0; |
| 179 | hapd->iface->num_sta_ht_20mhz--; |
| 180 | } |
| 181 | |
| 182 | #ifdef CONFIG_P2P |
| 183 | if (sta->no_p2p_set) { |
| 184 | sta->no_p2p_set = 0; |
| 185 | hapd->num_sta_no_p2p--; |
| 186 | if (hapd->num_sta_no_p2p == 0) |
| 187 | hostapd_p2p_non_p2p_sta_disconnected(hapd); |
| 188 | } |
| 189 | #endif /* CONFIG_P2P */ |
| 190 | |
| 191 | #if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N) |
| 192 | if (hostapd_ht_operation_update(hapd->iface) > 0) |
| 193 | set_beacon++; |
| 194 | #endif /* NEED_AP_MLME && CONFIG_IEEE80211N */ |
| 195 | |
| 196 | if (set_beacon) |
| 197 | ieee802_11_set_beacons(hapd->iface); |
| 198 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 199 | wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR, |
| 200 | __func__, MAC2STR(sta->addr)); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 201 | eloop_cancel_timeout(ap_handle_timer, hapd, sta); |
| 202 | eloop_cancel_timeout(ap_handle_session_timer, hapd, sta); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 203 | eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta); |
| 204 | eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 205 | |
| 206 | ieee802_1x_free_station(sta); |
| 207 | wpa_auth_sta_deinit(sta->wpa_sm); |
| 208 | rsn_preauth_free_station(hapd, sta); |
| 209 | #ifndef CONFIG_NO_RADIUS |
| 210 | radius_client_flush_auth(hapd->radius, sta->addr); |
| 211 | #endif /* CONFIG_NO_RADIUS */ |
| 212 | |
| 213 | os_free(sta->last_assoc_req); |
| 214 | os_free(sta->challenge); |
| 215 | |
| 216 | #ifdef CONFIG_IEEE80211W |
| 217 | os_free(sta->sa_query_trans_id); |
| 218 | eloop_cancel_timeout(ap_sa_query_timer, hapd, sta); |
| 219 | #endif /* CONFIG_IEEE80211W */ |
| 220 | |
| 221 | #ifdef CONFIG_P2P |
| 222 | p2p_group_notif_disassoc(hapd->p2p_group, sta->addr); |
| 223 | #endif /* CONFIG_P2P */ |
| 224 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 225 | #ifdef CONFIG_INTERWORKING |
| 226 | if (sta->gas_dialog) { |
| 227 | int i; |
| 228 | for (i = 0; i < GAS_DIALOG_MAX; i++) |
| 229 | gas_serv_dialog_clear(&sta->gas_dialog[i]); |
| 230 | os_free(sta->gas_dialog); |
| 231 | } |
| 232 | #endif /* CONFIG_INTERWORKING */ |
| 233 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 234 | wpabuf_free(sta->wps_ie); |
| 235 | wpabuf_free(sta->p2p_ie); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame^] | 236 | wpabuf_free(sta->hs20_ie); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 237 | |
| 238 | os_free(sta->ht_capabilities); |
Dmitry Shmidt | d5e4923 | 2012-12-03 15:08:10 -0800 | [diff] [blame^] | 239 | hostapd_free_psk_list(sta->psk); |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 240 | os_free(sta->identity); |
| 241 | os_free(sta->radius_cui); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 242 | |
| 243 | os_free(sta); |
| 244 | } |
| 245 | |
| 246 | |
| 247 | void hostapd_free_stas(struct hostapd_data *hapd) |
| 248 | { |
| 249 | struct sta_info *sta, *prev; |
| 250 | |
| 251 | sta = hapd->sta_list; |
| 252 | |
| 253 | while (sta) { |
| 254 | prev = sta; |
| 255 | if (sta->flags & WLAN_STA_AUTH) { |
| 256 | mlme_deauthenticate_indication( |
| 257 | hapd, sta, WLAN_REASON_UNSPECIFIED); |
| 258 | } |
| 259 | sta = sta->next; |
| 260 | wpa_printf(MSG_DEBUG, "Removing station " MACSTR, |
| 261 | MAC2STR(prev->addr)); |
| 262 | ap_free_sta(hapd, prev); |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | |
| 267 | /** |
| 268 | * ap_handle_timer - Per STA timer handler |
| 269 | * @eloop_ctx: struct hostapd_data * |
| 270 | * @timeout_ctx: struct sta_info * |
| 271 | * |
| 272 | * This function is called to check station activity and to remove inactive |
| 273 | * stations. |
| 274 | */ |
| 275 | void ap_handle_timer(void *eloop_ctx, void *timeout_ctx) |
| 276 | { |
| 277 | struct hostapd_data *hapd = eloop_ctx; |
| 278 | struct sta_info *sta = timeout_ctx; |
| 279 | unsigned long next_time = 0; |
| 280 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 281 | wpa_printf(MSG_DEBUG, "%s: " MACSTR " flags=0x%x timeout_next=%d", |
| 282 | __func__, MAC2STR(sta->addr), sta->flags, |
| 283 | sta->timeout_next); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 284 | if (sta->timeout_next == STA_REMOVE) { |
| 285 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
| 286 | HOSTAPD_LEVEL_INFO, "deauthenticated due to " |
| 287 | "local deauth request"); |
| 288 | ap_free_sta(hapd, sta); |
| 289 | return; |
| 290 | } |
| 291 | |
| 292 | if ((sta->flags & WLAN_STA_ASSOC) && |
| 293 | (sta->timeout_next == STA_NULLFUNC || |
| 294 | sta->timeout_next == STA_DISASSOC)) { |
| 295 | int inactive_sec; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 296 | /* |
| 297 | * Add random value to timeout so that we don't end up bouncing |
| 298 | * all stations at the same time if we have lots of associated |
| 299 | * stations that are idle (but keep re-associating). |
| 300 | */ |
| 301 | int fuzz = os_random() % 20; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 302 | inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr); |
| 303 | if (inactive_sec == -1) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 304 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, |
| 305 | "Check inactivity: Could not " |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 306 | "get station info from kernel driver for " |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 307 | MACSTR, MAC2STR(sta->addr)); |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 308 | /* |
| 309 | * The driver may not support this functionality. |
| 310 | * Anyway, try again after the next inactivity timeout, |
| 311 | * but do not disconnect the station now. |
| 312 | */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 313 | next_time = hapd->conf->ap_max_inactivity + fuzz; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 314 | } else if (inactive_sec < hapd->conf->ap_max_inactivity && |
| 315 | sta->flags & WLAN_STA_ASSOC) { |
| 316 | /* station activity detected; reset timeout state */ |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 317 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, |
| 318 | "Station " MACSTR " has been active %is ago", |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 319 | MAC2STR(sta->addr), inactive_sec); |
| 320 | sta->timeout_next = STA_NULLFUNC; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 321 | next_time = hapd->conf->ap_max_inactivity + fuzz - |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 322 | inactive_sec; |
| 323 | } else { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 324 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, |
| 325 | "Station " MACSTR " has been " |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 326 | "inactive too long: %d sec, max allowed: %d", |
| 327 | MAC2STR(sta->addr), inactive_sec, |
| 328 | hapd->conf->ap_max_inactivity); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 329 | |
| 330 | if (hapd->conf->skip_inactivity_poll) |
| 331 | sta->timeout_next = STA_DISASSOC; |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 332 | } |
| 333 | } |
| 334 | |
| 335 | if ((sta->flags & WLAN_STA_ASSOC) && |
| 336 | sta->timeout_next == STA_DISASSOC && |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 337 | !(sta->flags & WLAN_STA_PENDING_POLL) && |
| 338 | !hapd->conf->skip_inactivity_poll) { |
| 339 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR |
| 340 | " has ACKed data poll", MAC2STR(sta->addr)); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 341 | /* data nullfunc frame poll did not produce TX errors; assume |
| 342 | * station ACKed it */ |
| 343 | sta->timeout_next = STA_NULLFUNC; |
| 344 | next_time = hapd->conf->ap_max_inactivity; |
| 345 | } |
| 346 | |
| 347 | if (next_time) { |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 348 | wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout " |
| 349 | "for " MACSTR " (%lu seconds)", |
| 350 | __func__, MAC2STR(sta->addr), next_time); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 351 | eloop_register_timeout(next_time, 0, ap_handle_timer, hapd, |
| 352 | sta); |
| 353 | return; |
| 354 | } |
| 355 | |
| 356 | if (sta->timeout_next == STA_NULLFUNC && |
| 357 | (sta->flags & WLAN_STA_ASSOC)) { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 358 | wpa_printf(MSG_DEBUG, " Polling STA"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 359 | sta->flags |= WLAN_STA_PENDING_POLL; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 360 | hostapd_drv_poll_client(hapd, hapd->own_addr, sta->addr, |
| 361 | sta->flags & WLAN_STA_WMM); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 362 | } else if (sta->timeout_next != STA_REMOVE) { |
| 363 | int deauth = sta->timeout_next == STA_DEAUTH; |
| 364 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 365 | wpa_dbg(hapd->msg_ctx, MSG_DEBUG, |
| 366 | "Timeout, sending %s info to STA " MACSTR, |
| 367 | deauth ? "deauthentication" : "disassociation", |
| 368 | MAC2STR(sta->addr)); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 369 | |
| 370 | if (deauth) { |
| 371 | hostapd_drv_sta_deauth( |
| 372 | hapd, sta->addr, |
| 373 | WLAN_REASON_PREV_AUTH_NOT_VALID); |
| 374 | } else { |
| 375 | hostapd_drv_sta_disassoc( |
| 376 | hapd, sta->addr, |
| 377 | WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | switch (sta->timeout_next) { |
| 382 | case STA_NULLFUNC: |
| 383 | sta->timeout_next = STA_DISASSOC; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 384 | wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout " |
| 385 | "for " MACSTR " (%d seconds - AP_DISASSOC_DELAY)", |
| 386 | __func__, MAC2STR(sta->addr), AP_DISASSOC_DELAY); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 387 | eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer, |
| 388 | hapd, sta); |
| 389 | break; |
| 390 | case STA_DISASSOC: |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 391 | ap_sta_set_authorized(hapd, sta, 0); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 392 | sta->flags &= ~WLAN_STA_ASSOC; |
| 393 | ieee802_1x_notify_port_enabled(sta->eapol_sm, 0); |
| 394 | if (!sta->acct_terminate_cause) |
| 395 | sta->acct_terminate_cause = |
| 396 | RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT; |
| 397 | accounting_sta_stop(hapd, sta); |
| 398 | ieee802_1x_free_station(sta); |
| 399 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
| 400 | HOSTAPD_LEVEL_INFO, "disassociated due to " |
| 401 | "inactivity"); |
| 402 | sta->timeout_next = STA_DEAUTH; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 403 | wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout " |
| 404 | "for " MACSTR " (%d seconds - AP_DEAUTH_DELAY)", |
| 405 | __func__, MAC2STR(sta->addr), AP_DEAUTH_DELAY); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 406 | eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer, |
| 407 | hapd, sta); |
| 408 | mlme_disassociate_indication( |
| 409 | hapd, sta, WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); |
| 410 | break; |
| 411 | case STA_DEAUTH: |
| 412 | case STA_REMOVE: |
| 413 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
| 414 | HOSTAPD_LEVEL_INFO, "deauthenticated due to " |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 415 | "inactivity (timer DEAUTH/REMOVE)"); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 416 | if (!sta->acct_terminate_cause) |
| 417 | sta->acct_terminate_cause = |
| 418 | RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT; |
| 419 | mlme_deauthenticate_indication( |
| 420 | hapd, sta, |
| 421 | WLAN_REASON_PREV_AUTH_NOT_VALID); |
| 422 | ap_free_sta(hapd, sta); |
| 423 | break; |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | |
| 428 | static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx) |
| 429 | { |
| 430 | struct hostapd_data *hapd = eloop_ctx; |
| 431 | struct sta_info *sta = timeout_ctx; |
| 432 | u8 addr[ETH_ALEN]; |
| 433 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 434 | if (!(sta->flags & WLAN_STA_AUTH)) { |
| 435 | if (sta->flags & WLAN_STA_GAS) { |
| 436 | wpa_printf(MSG_DEBUG, "GAS: Remove temporary STA " |
| 437 | "entry " MACSTR, MAC2STR(sta->addr)); |
| 438 | ap_free_sta(hapd, sta); |
| 439 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 440 | return; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 441 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 442 | |
| 443 | mlme_deauthenticate_indication(hapd, sta, |
| 444 | WLAN_REASON_PREV_AUTH_NOT_VALID); |
| 445 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
| 446 | HOSTAPD_LEVEL_INFO, "deauthenticated due to " |
| 447 | "session timeout"); |
| 448 | sta->acct_terminate_cause = |
| 449 | RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT; |
| 450 | os_memcpy(addr, sta->addr, ETH_ALEN); |
| 451 | ap_free_sta(hapd, sta); |
| 452 | hostapd_drv_sta_deauth(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID); |
| 453 | } |
| 454 | |
| 455 | |
| 456 | void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, |
| 457 | u32 session_timeout) |
| 458 | { |
| 459 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
| 460 | HOSTAPD_LEVEL_DEBUG, "setting session timeout to %d " |
| 461 | "seconds", session_timeout); |
| 462 | eloop_cancel_timeout(ap_handle_session_timer, hapd, sta); |
| 463 | eloop_register_timeout(session_timeout, 0, ap_handle_session_timer, |
| 464 | hapd, sta); |
| 465 | } |
| 466 | |
| 467 | |
| 468 | void ap_sta_no_session_timeout(struct hostapd_data *hapd, struct sta_info *sta) |
| 469 | { |
| 470 | eloop_cancel_timeout(ap_handle_session_timer, hapd, sta); |
| 471 | } |
| 472 | |
| 473 | |
| 474 | struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr) |
| 475 | { |
| 476 | struct sta_info *sta; |
| 477 | |
| 478 | sta = ap_get_sta(hapd, addr); |
| 479 | if (sta) |
| 480 | return sta; |
| 481 | |
| 482 | wpa_printf(MSG_DEBUG, " New STA"); |
| 483 | if (hapd->num_sta >= hapd->conf->max_num_sta) { |
| 484 | /* FIX: might try to remove some old STAs first? */ |
| 485 | wpa_printf(MSG_DEBUG, "no more room for new STAs (%d/%d)", |
| 486 | hapd->num_sta, hapd->conf->max_num_sta); |
| 487 | return NULL; |
| 488 | } |
| 489 | |
| 490 | sta = os_zalloc(sizeof(struct sta_info)); |
| 491 | if (sta == NULL) { |
| 492 | wpa_printf(MSG_ERROR, "malloc failed"); |
| 493 | return NULL; |
| 494 | } |
| 495 | sta->acct_interim_interval = hapd->conf->acct_interim_interval; |
| 496 | |
| 497 | /* initialize STA info data */ |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 498 | wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout " |
| 499 | "for " MACSTR " (%d seconds - ap_max_inactivity)", |
| 500 | __func__, MAC2STR(addr), |
| 501 | hapd->conf->ap_max_inactivity); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 502 | eloop_register_timeout(hapd->conf->ap_max_inactivity, 0, |
| 503 | ap_handle_timer, hapd, sta); |
| 504 | os_memcpy(sta->addr, addr, ETH_ALEN); |
| 505 | sta->next = hapd->sta_list; |
| 506 | hapd->sta_list = sta; |
| 507 | hapd->num_sta++; |
| 508 | ap_sta_hash_add(hapd, sta); |
| 509 | sta->ssid = &hapd->conf->ssid; |
| 510 | ap_sta_remove_in_other_bss(hapd, sta); |
| 511 | |
| 512 | return sta; |
| 513 | } |
| 514 | |
| 515 | |
| 516 | static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta) |
| 517 | { |
| 518 | ieee802_1x_notify_port_enabled(sta->eapol_sm, 0); |
| 519 | |
| 520 | wpa_printf(MSG_DEBUG, "Removing STA " MACSTR " from kernel driver", |
| 521 | MAC2STR(sta->addr)); |
| 522 | if (hostapd_drv_sta_remove(hapd, sta->addr) && |
| 523 | sta->flags & WLAN_STA_ASSOC) { |
| 524 | wpa_printf(MSG_DEBUG, "Could not remove station " MACSTR |
| 525 | " from kernel driver.", MAC2STR(sta->addr)); |
| 526 | return -1; |
| 527 | } |
| 528 | return 0; |
| 529 | } |
| 530 | |
| 531 | |
| 532 | static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd, |
| 533 | struct sta_info *sta) |
| 534 | { |
| 535 | struct hostapd_iface *iface = hapd->iface; |
| 536 | size_t i; |
| 537 | |
| 538 | for (i = 0; i < iface->num_bss; i++) { |
| 539 | struct hostapd_data *bss = iface->bss[i]; |
| 540 | struct sta_info *sta2; |
| 541 | /* bss should always be set during operation, but it may be |
| 542 | * NULL during reconfiguration. Assume the STA is not |
| 543 | * associated to another BSS in that case to avoid NULL pointer |
| 544 | * dereferences. */ |
| 545 | if (bss == hapd || bss == NULL) |
| 546 | continue; |
| 547 | sta2 = ap_get_sta(bss, sta->addr); |
| 548 | if (!sta2) |
| 549 | continue; |
| 550 | |
| 551 | ap_sta_disconnect(bss, sta2, sta2->addr, |
| 552 | WLAN_REASON_PREV_AUTH_NOT_VALID); |
| 553 | } |
| 554 | } |
| 555 | |
| 556 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 557 | static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx) |
| 558 | { |
| 559 | struct hostapd_data *hapd = eloop_ctx; |
| 560 | struct sta_info *sta = timeout_ctx; |
| 561 | |
| 562 | ap_sta_remove(hapd, sta); |
| 563 | mlme_disassociate_indication(hapd, sta, sta->disassoc_reason); |
| 564 | } |
| 565 | |
| 566 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 567 | void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, |
| 568 | u16 reason) |
| 569 | { |
| 570 | wpa_printf(MSG_DEBUG, "%s: disassociate STA " MACSTR, |
| 571 | hapd->conf->iface, MAC2STR(sta->addr)); |
| 572 | sta->flags &= ~WLAN_STA_ASSOC; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 573 | ap_sta_set_authorized(hapd, sta, 0); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 574 | sta->timeout_next = STA_DEAUTH; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 575 | wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout " |
| 576 | "for " MACSTR " (%d seconds - " |
| 577 | "AP_MAX_INACTIVITY_AFTER_DISASSOC)", |
| 578 | __func__, MAC2STR(sta->addr), |
| 579 | AP_MAX_INACTIVITY_AFTER_DISASSOC); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 580 | eloop_cancel_timeout(ap_handle_timer, hapd, sta); |
| 581 | eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0, |
| 582 | ap_handle_timer, hapd, sta); |
| 583 | accounting_sta_stop(hapd, sta); |
| 584 | ieee802_1x_free_station(sta); |
| 585 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 586 | sta->disassoc_reason = reason; |
| 587 | sta->flags |= WLAN_STA_PENDING_DISASSOC_CB; |
| 588 | eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta); |
| 589 | eloop_register_timeout(hapd->iface->drv_flags & |
| 590 | WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0, |
| 591 | ap_sta_disassoc_cb_timeout, hapd, sta); |
| 592 | } |
| 593 | |
| 594 | |
| 595 | static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx) |
| 596 | { |
| 597 | struct hostapd_data *hapd = eloop_ctx; |
| 598 | struct sta_info *sta = timeout_ctx; |
| 599 | |
| 600 | ap_sta_remove(hapd, sta); |
| 601 | mlme_deauthenticate_indication(hapd, sta, sta->deauth_reason); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 602 | } |
| 603 | |
| 604 | |
| 605 | void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, |
| 606 | u16 reason) |
| 607 | { |
| 608 | wpa_printf(MSG_DEBUG, "%s: deauthenticate STA " MACSTR, |
| 609 | hapd->conf->iface, MAC2STR(sta->addr)); |
| 610 | sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 611 | ap_sta_set_authorized(hapd, sta, 0); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 612 | sta->timeout_next = STA_REMOVE; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 613 | wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout " |
| 614 | "for " MACSTR " (%d seconds - " |
| 615 | "AP_MAX_INACTIVITY_AFTER_DEAUTH)", |
| 616 | __func__, MAC2STR(sta->addr), |
| 617 | AP_MAX_INACTIVITY_AFTER_DEAUTH); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 618 | eloop_cancel_timeout(ap_handle_timer, hapd, sta); |
| 619 | eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0, |
| 620 | ap_handle_timer, hapd, sta); |
| 621 | accounting_sta_stop(hapd, sta); |
| 622 | ieee802_1x_free_station(sta); |
| 623 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 624 | sta->deauth_reason = reason; |
| 625 | sta->flags |= WLAN_STA_PENDING_DEAUTH_CB; |
| 626 | eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta); |
| 627 | eloop_register_timeout(hapd->iface->drv_flags & |
| 628 | WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0, |
| 629 | ap_sta_deauth_cb_timeout, hapd, sta); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 630 | } |
| 631 | |
| 632 | |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 633 | #ifdef CONFIG_WPS |
| 634 | int ap_sta_wps_cancel(struct hostapd_data *hapd, |
| 635 | struct sta_info *sta, void *ctx) |
| 636 | { |
| 637 | if (sta && (sta->flags & WLAN_STA_WPS)) { |
| 638 | ap_sta_deauthenticate(hapd, sta, |
| 639 | WLAN_REASON_PREV_AUTH_NOT_VALID); |
| 640 | wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR, |
| 641 | __func__, MAC2STR(sta->addr)); |
| 642 | return 1; |
| 643 | } |
| 644 | |
| 645 | return 0; |
| 646 | } |
| 647 | #endif /* CONFIG_WPS */ |
| 648 | |
| 649 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 650 | int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta, |
| 651 | int old_vlanid) |
| 652 | { |
| 653 | #ifndef CONFIG_NO_VLAN |
| 654 | const char *iface; |
| 655 | struct hostapd_vlan *vlan = NULL; |
| 656 | int ret; |
| 657 | |
| 658 | /* |
| 659 | * Do not proceed furthur if the vlan id remains same. We do not want |
| 660 | * duplicate dynamic vlan entries. |
| 661 | */ |
| 662 | if (sta->vlan_id == old_vlanid) |
| 663 | return 0; |
| 664 | |
| 665 | /* |
| 666 | * During 1x reauth, if the vlan id changes, then remove the old id and |
| 667 | * proceed furthur to add the new one. |
| 668 | */ |
| 669 | if (old_vlanid > 0) |
| 670 | vlan_remove_dynamic(hapd, old_vlanid); |
| 671 | |
| 672 | iface = hapd->conf->iface; |
| 673 | if (sta->ssid->vlan[0]) |
| 674 | iface = sta->ssid->vlan; |
| 675 | |
| 676 | if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_DISABLED) |
| 677 | sta->vlan_id = 0; |
| 678 | else if (sta->vlan_id > 0) { |
| 679 | vlan = hapd->conf->vlan; |
| 680 | while (vlan) { |
| 681 | if (vlan->vlan_id == sta->vlan_id || |
| 682 | vlan->vlan_id == VLAN_ID_WILDCARD) { |
| 683 | iface = vlan->ifname; |
| 684 | break; |
| 685 | } |
| 686 | vlan = vlan->next; |
| 687 | } |
| 688 | } |
| 689 | |
| 690 | if (sta->vlan_id > 0 && vlan == NULL) { |
| 691 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
| 692 | HOSTAPD_LEVEL_DEBUG, "could not find VLAN for " |
| 693 | "binding station to (vlan_id=%d)", |
| 694 | sta->vlan_id); |
| 695 | return -1; |
| 696 | } else if (sta->vlan_id > 0 && vlan->vlan_id == VLAN_ID_WILDCARD) { |
| 697 | vlan = vlan_add_dynamic(hapd, vlan, sta->vlan_id); |
| 698 | if (vlan == NULL) { |
| 699 | hostapd_logger(hapd, sta->addr, |
| 700 | HOSTAPD_MODULE_IEEE80211, |
| 701 | HOSTAPD_LEVEL_DEBUG, "could not add " |
| 702 | "dynamic VLAN interface for vlan_id=%d", |
| 703 | sta->vlan_id); |
| 704 | return -1; |
| 705 | } |
| 706 | |
| 707 | iface = vlan->ifname; |
| 708 | if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) { |
| 709 | hostapd_logger(hapd, sta->addr, |
| 710 | HOSTAPD_MODULE_IEEE80211, |
| 711 | HOSTAPD_LEVEL_DEBUG, "could not " |
| 712 | "configure encryption for dynamic VLAN " |
| 713 | "interface for vlan_id=%d", |
| 714 | sta->vlan_id); |
| 715 | } |
| 716 | |
| 717 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
| 718 | HOSTAPD_LEVEL_DEBUG, "added new dynamic VLAN " |
| 719 | "interface '%s'", iface); |
| 720 | } else if (vlan && vlan->vlan_id == sta->vlan_id) { |
| 721 | if (sta->vlan_id > 0) { |
| 722 | vlan->dynamic_vlan++; |
| 723 | hostapd_logger(hapd, sta->addr, |
| 724 | HOSTAPD_MODULE_IEEE80211, |
| 725 | HOSTAPD_LEVEL_DEBUG, "updated existing " |
| 726 | "dynamic VLAN interface '%s'", iface); |
| 727 | } |
| 728 | |
| 729 | /* |
| 730 | * Update encryption configuration for statically generated |
| 731 | * VLAN interface. This is only used for static WEP |
| 732 | * configuration for the case where hostapd did not yet know |
| 733 | * which keys are to be used when the interface was added. |
| 734 | */ |
| 735 | if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) { |
| 736 | hostapd_logger(hapd, sta->addr, |
| 737 | HOSTAPD_MODULE_IEEE80211, |
| 738 | HOSTAPD_LEVEL_DEBUG, "could not " |
| 739 | "configure encryption for VLAN " |
| 740 | "interface for vlan_id=%d", |
| 741 | sta->vlan_id); |
| 742 | } |
| 743 | } |
| 744 | |
| 745 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
| 746 | HOSTAPD_LEVEL_DEBUG, "binding station to interface " |
| 747 | "'%s'", iface); |
| 748 | |
| 749 | if (wpa_auth_sta_set_vlan(sta->wpa_sm, sta->vlan_id) < 0) |
| 750 | wpa_printf(MSG_INFO, "Failed to update VLAN-ID for WPA"); |
| 751 | |
| 752 | ret = hostapd_drv_set_sta_vlan(iface, hapd, sta->addr, sta->vlan_id); |
| 753 | if (ret < 0) { |
| 754 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
| 755 | HOSTAPD_LEVEL_DEBUG, "could not bind the STA " |
| 756 | "entry to vlan_id=%d", sta->vlan_id); |
| 757 | } |
| 758 | return ret; |
| 759 | #else /* CONFIG_NO_VLAN */ |
| 760 | return 0; |
| 761 | #endif /* CONFIG_NO_VLAN */ |
| 762 | } |
| 763 | |
| 764 | |
| 765 | #ifdef CONFIG_IEEE80211W |
| 766 | |
| 767 | int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta) |
| 768 | { |
| 769 | u32 tu; |
| 770 | struct os_time now, passed; |
| 771 | os_get_time(&now); |
| 772 | os_time_sub(&now, &sta->sa_query_start, &passed); |
| 773 | tu = (passed.sec * 1000000 + passed.usec) / 1024; |
| 774 | if (hapd->conf->assoc_sa_query_max_timeout < tu) { |
| 775 | hostapd_logger(hapd, sta->addr, |
| 776 | HOSTAPD_MODULE_IEEE80211, |
| 777 | HOSTAPD_LEVEL_DEBUG, |
| 778 | "association SA Query timed out"); |
| 779 | sta->sa_query_timed_out = 1; |
| 780 | os_free(sta->sa_query_trans_id); |
| 781 | sta->sa_query_trans_id = NULL; |
| 782 | sta->sa_query_count = 0; |
| 783 | eloop_cancel_timeout(ap_sa_query_timer, hapd, sta); |
| 784 | return 1; |
| 785 | } |
| 786 | |
| 787 | return 0; |
| 788 | } |
| 789 | |
| 790 | |
| 791 | static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx) |
| 792 | { |
| 793 | struct hostapd_data *hapd = eloop_ctx; |
| 794 | struct sta_info *sta = timeout_ctx; |
| 795 | unsigned int timeout, sec, usec; |
| 796 | u8 *trans_id, *nbuf; |
| 797 | |
| 798 | if (sta->sa_query_count > 0 && |
| 799 | ap_check_sa_query_timeout(hapd, sta)) |
| 800 | return; |
| 801 | |
Dmitry Shmidt | 61d9df3 | 2012-08-29 16:22:06 -0700 | [diff] [blame] | 802 | nbuf = os_realloc_array(sta->sa_query_trans_id, |
| 803 | sta->sa_query_count + 1, |
| 804 | WLAN_SA_QUERY_TR_ID_LEN); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 805 | if (nbuf == NULL) |
| 806 | return; |
| 807 | if (sta->sa_query_count == 0) { |
| 808 | /* Starting a new SA Query procedure */ |
| 809 | os_get_time(&sta->sa_query_start); |
| 810 | } |
| 811 | trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN; |
| 812 | sta->sa_query_trans_id = nbuf; |
| 813 | sta->sa_query_count++; |
| 814 | |
| 815 | os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN); |
| 816 | |
| 817 | timeout = hapd->conf->assoc_sa_query_retry_timeout; |
| 818 | sec = ((timeout / 1000) * 1024) / 1000; |
| 819 | usec = (timeout % 1000) * 1024; |
| 820 | eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta); |
| 821 | |
| 822 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
| 823 | HOSTAPD_LEVEL_DEBUG, |
| 824 | "association SA Query attempt %d", sta->sa_query_count); |
| 825 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 826 | ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 827 | } |
| 828 | |
| 829 | |
| 830 | void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta) |
| 831 | { |
| 832 | ap_sa_query_timer(hapd, sta); |
| 833 | } |
| 834 | |
| 835 | |
| 836 | void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta) |
| 837 | { |
| 838 | eloop_cancel_timeout(ap_sa_query_timer, hapd, sta); |
| 839 | os_free(sta->sa_query_trans_id); |
| 840 | sta->sa_query_trans_id = NULL; |
| 841 | sta->sa_query_count = 0; |
| 842 | } |
| 843 | |
| 844 | #endif /* CONFIG_IEEE80211W */ |
| 845 | |
| 846 | |
| 847 | void ap_sta_set_authorized(struct hostapd_data *hapd, struct sta_info *sta, |
| 848 | int authorized) |
| 849 | { |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 850 | const u8 *dev_addr = NULL; |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 851 | #ifdef CONFIG_P2P |
| 852 | u8 addr[ETH_ALEN]; |
| 853 | #endif /* CONFIG_P2P */ |
| 854 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 855 | if (!!authorized == !!(sta->flags & WLAN_STA_AUTHORIZED)) |
| 856 | return; |
| 857 | |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 858 | #ifdef CONFIG_P2P |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 859 | if (hapd->p2p_group == NULL) { |
| 860 | if (sta->p2p_ie != NULL && |
| 861 | p2p_parse_dev_addr_in_p2p_ie(sta->p2p_ie, addr) == 0) |
| 862 | dev_addr = addr; |
| 863 | } else |
| 864 | dev_addr = p2p_group_get_dev_addr(hapd->p2p_group, sta->addr); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 865 | #endif /* CONFIG_P2P */ |
| 866 | |
| 867 | if (authorized) { |
| 868 | if (dev_addr) |
| 869 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_CONNECTED |
| 870 | MACSTR " p2p_dev_addr=" MACSTR, |
| 871 | MAC2STR(sta->addr), MAC2STR(dev_addr)); |
| 872 | else |
| 873 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_CONNECTED |
| 874 | MACSTR, MAC2STR(sta->addr)); |
| 875 | if (hapd->msg_ctx_parent && |
| 876 | hapd->msg_ctx_parent != hapd->msg_ctx && dev_addr) |
| 877 | wpa_msg(hapd->msg_ctx_parent, MSG_INFO, |
| 878 | AP_STA_CONNECTED MACSTR " p2p_dev_addr=" |
| 879 | MACSTR, |
| 880 | MAC2STR(sta->addr), MAC2STR(dev_addr)); |
| 881 | else if (hapd->msg_ctx_parent && |
| 882 | hapd->msg_ctx_parent != hapd->msg_ctx) |
| 883 | wpa_msg(hapd->msg_ctx_parent, MSG_INFO, |
| 884 | AP_STA_CONNECTED MACSTR, MAC2STR(sta->addr)); |
| 885 | |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 886 | sta->flags |= WLAN_STA_AUTHORIZED; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 887 | } else { |
| 888 | if (dev_addr) |
| 889 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED |
| 890 | MACSTR " p2p_dev_addr=" MACSTR, |
| 891 | MAC2STR(sta->addr), MAC2STR(dev_addr)); |
| 892 | else |
| 893 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED |
| 894 | MACSTR, MAC2STR(sta->addr)); |
| 895 | if (hapd->msg_ctx_parent && |
| 896 | hapd->msg_ctx_parent != hapd->msg_ctx && dev_addr) |
| 897 | wpa_msg(hapd->msg_ctx_parent, MSG_INFO, |
| 898 | AP_STA_DISCONNECTED MACSTR " p2p_dev_addr=" |
| 899 | MACSTR, MAC2STR(sta->addr), MAC2STR(dev_addr)); |
| 900 | else if (hapd->msg_ctx_parent && |
| 901 | hapd->msg_ctx_parent != hapd->msg_ctx) |
| 902 | wpa_msg(hapd->msg_ctx_parent, MSG_INFO, |
| 903 | AP_STA_DISCONNECTED MACSTR, |
| 904 | MAC2STR(sta->addr)); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 905 | sta->flags &= ~WLAN_STA_AUTHORIZED; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 906 | } |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 907 | |
| 908 | if (hapd->sta_authorized_cb) |
| 909 | hapd->sta_authorized_cb(hapd->sta_authorized_cb_ctx, |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 910 | sta->addr, authorized, dev_addr); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 911 | } |
| 912 | |
| 913 | |
| 914 | void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, |
| 915 | const u8 *addr, u16 reason) |
| 916 | { |
| 917 | |
| 918 | if (sta == NULL && addr) |
| 919 | sta = ap_get_sta(hapd, addr); |
| 920 | |
| 921 | if (addr) |
| 922 | hostapd_drv_sta_deauth(hapd, addr, reason); |
| 923 | |
| 924 | if (sta == NULL) |
| 925 | return; |
| 926 | ap_sta_set_authorized(hapd, sta, 0); |
Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 927 | wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH); |
| 928 | ieee802_1x_notify_port_enabled(sta->eapol_sm, 0); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 929 | sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC); |
Dmitry Shmidt | 0494959 | 2012-07-19 12:16:46 -0700 | [diff] [blame] | 930 | wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout " |
| 931 | "for " MACSTR " (%d seconds - " |
| 932 | "AP_MAX_INACTIVITY_AFTER_DEAUTH)", |
| 933 | __func__, MAC2STR(sta->addr), |
| 934 | AP_MAX_INACTIVITY_AFTER_DEAUTH); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 935 | eloop_cancel_timeout(ap_handle_timer, hapd, sta); |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 936 | eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0, |
| 937 | ap_handle_timer, hapd, sta); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 938 | sta->timeout_next = STA_REMOVE; |
Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 939 | |
| 940 | sta->deauth_reason = reason; |
| 941 | sta->flags |= WLAN_STA_PENDING_DEAUTH_CB; |
| 942 | eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta); |
| 943 | eloop_register_timeout(hapd->iface->drv_flags & |
| 944 | WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0, |
| 945 | ap_sta_deauth_cb_timeout, hapd, sta); |
| 946 | } |
| 947 | |
| 948 | |
| 949 | void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta) |
| 950 | { |
| 951 | if (!(sta->flags & WLAN_STA_PENDING_DEAUTH_CB)) { |
| 952 | wpa_printf(MSG_DEBUG, "Ignore deauth cb for test frame"); |
| 953 | return; |
| 954 | } |
| 955 | sta->flags &= ~WLAN_STA_PENDING_DEAUTH_CB; |
| 956 | eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta); |
| 957 | ap_sta_deauth_cb_timeout(hapd, sta); |
| 958 | } |
| 959 | |
| 960 | |
| 961 | void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta) |
| 962 | { |
| 963 | if (!(sta->flags & WLAN_STA_PENDING_DISASSOC_CB)) { |
| 964 | wpa_printf(MSG_DEBUG, "Ignore disassoc cb for test frame"); |
| 965 | return; |
| 966 | } |
| 967 | sta->flags &= ~WLAN_STA_PENDING_DISASSOC_CB; |
| 968 | eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta); |
| 969 | ap_sta_disassoc_cb_timeout(hapd, sta); |
Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 970 | } |