/*
* hostapd / Station table
- * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/ieee802_11_defs.h"
+#include "common/wpa_ctrl.h"
+#include "common/sae.h"
#include "radius/radius.h"
#include "radius/radius_client.h"
#include "drivers/driver.h"
#include "accounting.h"
#include "ieee802_1x.h"
#include "ieee802_11.h"
+#include "ieee802_11_auth.h"
#include "wpa_auth.h"
#include "preauth_auth.h"
#include "ap_config.h"
#include "vlan_init.h"
#include "p2p_hostapd.h"
#include "ap_drv_ops.h"
+#include "gas_serv.h"
#include "sta_info.h"
static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
struct sta_info *sta);
static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx);
+static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx);
+static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx);
#ifdef CONFIG_IEEE80211W
static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx);
#endif /* CONFIG_IEEE80211W */
+static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta);
int ap_for_each_sta(struct hostapd_data *hapd,
int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
if (set_beacon)
ieee802_11_set_beacons(hapd->iface);
+ wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR,
+ __func__, MAC2STR(sta->addr));
eloop_cancel_timeout(ap_handle_timer, hapd, sta);
eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
+ eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
+ eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
ieee802_1x_free_station(sta);
wpa_auth_sta_deinit(sta->wpa_sm);
p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
#endif /* CONFIG_P2P */
+#ifdef CONFIG_INTERWORKING
+ if (sta->gas_dialog) {
+ int i;
+ for (i = 0; i < GAS_DIALOG_MAX; i++)
+ gas_serv_dialog_clear(&sta->gas_dialog[i]);
+ os_free(sta->gas_dialog);
+ }
+#endif /* CONFIG_INTERWORKING */
+
wpabuf_free(sta->wps_ie);
wpabuf_free(sta->p2p_ie);
+ wpabuf_free(sta->hs20_ie);
os_free(sta->ht_capabilities);
+ hostapd_free_psk_list(sta->psk);
+ os_free(sta->identity);
+ os_free(sta->radius_cui);
+
+#ifdef CONFIG_SAE
+ sae_clear_data(sta->sae);
+ os_free(sta->sae);
+#endif /* CONFIG_SAE */
os_free(sta);
}
struct sta_info *sta = timeout_ctx;
unsigned long next_time = 0;
+ wpa_printf(MSG_DEBUG, "%s: " MACSTR " flags=0x%x timeout_next=%d",
+ __func__, MAC2STR(sta->addr), sta->flags,
+ sta->timeout_next);
if (sta->timeout_next == STA_REMOVE) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "deauthenticated due to "
(sta->timeout_next == STA_NULLFUNC ||
sta->timeout_next == STA_DISASSOC)) {
int inactive_sec;
+ /*
+ * Add random value to timeout so that we don't end up bouncing
+ * all stations at the same time if we have lots of associated
+ * stations that are idle (but keep re-associating).
+ */
+ int fuzz = os_random() % 20;
inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr);
if (inactive_sec == -1) {
- wpa_msg(hapd, MSG_DEBUG, "Check inactivity: Could not "
- "get station info rom kernel driver for "
+ wpa_msg(hapd->msg_ctx, MSG_DEBUG,
+ "Check inactivity: Could not "
+ "get station info from kernel driver for "
MACSTR, MAC2STR(sta->addr));
+ /*
+ * The driver may not support this functionality.
+ * Anyway, try again after the next inactivity timeout,
+ * but do not disconnect the station now.
+ */
+ next_time = hapd->conf->ap_max_inactivity + fuzz;
} else if (inactive_sec < hapd->conf->ap_max_inactivity &&
sta->flags & WLAN_STA_ASSOC) {
/* station activity detected; reset timeout state */
- wpa_msg(hapd, MSG_DEBUG, "Station " MACSTR " has been "
- "active %is ago",
+ wpa_msg(hapd->msg_ctx, MSG_DEBUG,
+ "Station " MACSTR " has been active %is ago",
MAC2STR(sta->addr), inactive_sec);
sta->timeout_next = STA_NULLFUNC;
- next_time = hapd->conf->ap_max_inactivity -
+ next_time = hapd->conf->ap_max_inactivity + fuzz -
inactive_sec;
} else {
- wpa_msg(hapd, MSG_DEBUG, "Station " MACSTR " has been "
+ wpa_msg(hapd->msg_ctx, MSG_DEBUG,
+ "Station " MACSTR " has been "
"inactive too long: %d sec, max allowed: %d",
MAC2STR(sta->addr), inactive_sec,
hapd->conf->ap_max_inactivity);
+
+ if (hapd->conf->skip_inactivity_poll)
+ sta->timeout_next = STA_DISASSOC;
}
}
if ((sta->flags & WLAN_STA_ASSOC) &&
sta->timeout_next == STA_DISASSOC &&
- !(sta->flags & WLAN_STA_PENDING_POLL)) {
- wpa_msg(hapd, MSG_DEBUG, "Station " MACSTR " has ACKed data "
- "poll", MAC2STR(sta->addr));
+ !(sta->flags & WLAN_STA_PENDING_POLL) &&
+ !hapd->conf->skip_inactivity_poll) {
+ wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR
+ " has ACKed data poll", MAC2STR(sta->addr));
/* data nullfunc frame poll did not produce TX errors; assume
* station ACKed it */
sta->timeout_next = STA_NULLFUNC;
}
if (next_time) {
+ wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
+ "for " MACSTR " (%lu seconds)",
+ __func__, MAC2STR(sta->addr), next_time);
eloop_register_timeout(next_time, 0, ap_handle_timer, hapd,
sta);
return;
if (sta->timeout_next == STA_NULLFUNC &&
(sta->flags & WLAN_STA_ASSOC)) {
-#ifndef CONFIG_NATIVE_WINDOWS
- /* send data frame to poll STA and check whether this frame
- * is ACKed */
- struct ieee80211_hdr hdr;
-
- wpa_printf(MSG_DEBUG, " Polling STA with data frame");
+ wpa_printf(MSG_DEBUG, " Polling STA");
sta->flags |= WLAN_STA_PENDING_POLL;
-
- os_memset(&hdr, 0, sizeof(hdr));
- if (hapd->driver &&
- os_strcmp(hapd->driver->name, "hostap") == 0) {
- /*
- * WLAN_FC_STYPE_NULLFUNC would be more appropriate,
- * but it is apparently not retried so TX Exc events
- * are not received for it.
- */
- hdr.frame_control =
- IEEE80211_FC(WLAN_FC_TYPE_DATA,
- WLAN_FC_STYPE_DATA);
- } else {
- hdr.frame_control =
- IEEE80211_FC(WLAN_FC_TYPE_DATA,
- WLAN_FC_STYPE_NULLFUNC);
- }
-
- hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
- os_memcpy(hdr.IEEE80211_DA_FROMDS, sta->addr, ETH_ALEN);
- os_memcpy(hdr.IEEE80211_BSSID_FROMDS, hapd->own_addr,
- ETH_ALEN);
- os_memcpy(hdr.IEEE80211_SA_FROMDS, hapd->own_addr, ETH_ALEN);
-
- if (hostapd_drv_send_mlme(hapd, &hdr, sizeof(hdr)) < 0)
- perror("ap_handle_timer: send");
-#endif /* CONFIG_NATIVE_WINDOWS */
+ hostapd_drv_poll_client(hapd, hapd->own_addr, sta->addr,
+ sta->flags & WLAN_STA_WMM);
} else if (sta->timeout_next != STA_REMOVE) {
int deauth = sta->timeout_next == STA_DEAUTH;
- wpa_printf(MSG_DEBUG, "Sending %s info to STA " MACSTR,
- deauth ? "deauthentication" : "disassociation",
- MAC2STR(sta->addr));
+ wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
+ "Timeout, sending %s info to STA " MACSTR,
+ deauth ? "deauthentication" : "disassociation",
+ MAC2STR(sta->addr));
if (deauth) {
hostapd_drv_sta_deauth(
switch (sta->timeout_next) {
case STA_NULLFUNC:
sta->timeout_next = STA_DISASSOC;
+ wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
+ "for " MACSTR " (%d seconds - AP_DISASSOC_DELAY)",
+ __func__, MAC2STR(sta->addr), AP_DISASSOC_DELAY);
eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer,
hapd, sta);
break;
case STA_DISASSOC:
+ ap_sta_set_authorized(hapd, sta, 0);
sta->flags &= ~WLAN_STA_ASSOC;
ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
if (!sta->acct_terminate_cause)
HOSTAPD_LEVEL_INFO, "disassociated due to "
"inactivity");
sta->timeout_next = STA_DEAUTH;
+ wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
+ "for " MACSTR " (%d seconds - AP_DEAUTH_DELAY)",
+ __func__, MAC2STR(sta->addr), AP_DEAUTH_DELAY);
eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
hapd, sta);
mlme_disassociate_indication(
case STA_REMOVE:
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "deauthenticated due to "
- "inactivity");
+ "inactivity (timer DEAUTH/REMOVE)");
if (!sta->acct_terminate_cause)
sta->acct_terminate_cause =
RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
struct sta_info *sta = timeout_ctx;
u8 addr[ETH_ALEN];
- if (!(sta->flags & WLAN_STA_AUTH))
+ if (!(sta->flags & WLAN_STA_AUTH)) {
+ if (sta->flags & WLAN_STA_GAS) {
+ wpa_printf(MSG_DEBUG, "GAS: Remove temporary STA "
+ "entry " MACSTR, MAC2STR(sta->addr));
+ ap_free_sta(hapd, sta);
+ }
return;
+ }
mlme_deauthenticate_indication(hapd, sta,
WLAN_REASON_PREV_AUTH_NOT_VALID);
return NULL;
}
sta->acct_interim_interval = hapd->conf->acct_interim_interval;
+ accounting_sta_get_id(hapd, sta);
/* initialize STA info data */
+ wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
+ "for " MACSTR " (%d seconds - ap_max_inactivity)",
+ __func__, MAC2STR(addr),
+ hapd->conf->ap_max_inactivity);
eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
ap_handle_timer, hapd, sta);
os_memcpy(sta->addr, addr, ETH_ALEN);
}
+static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct hostapd_data *hapd = eloop_ctx;
+ struct sta_info *sta = timeout_ctx;
+
+ ap_sta_remove(hapd, sta);
+ mlme_disassociate_indication(hapd, sta, sta->disassoc_reason);
+}
+
+
void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
u16 reason)
{
wpa_printf(MSG_DEBUG, "%s: disassociate STA " MACSTR,
hapd->conf->iface, MAC2STR(sta->addr));
sta->flags &= ~WLAN_STA_ASSOC;
- ap_sta_remove(hapd, sta);
+ ap_sta_set_authorized(hapd, sta, 0);
sta->timeout_next = STA_DEAUTH;
+ wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
+ "for " MACSTR " (%d seconds - "
+ "AP_MAX_INACTIVITY_AFTER_DISASSOC)",
+ __func__, MAC2STR(sta->addr),
+ AP_MAX_INACTIVITY_AFTER_DISASSOC);
eloop_cancel_timeout(ap_handle_timer, hapd, sta);
eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0,
ap_handle_timer, hapd, sta);
accounting_sta_stop(hapd, sta);
ieee802_1x_free_station(sta);
- mlme_disassociate_indication(hapd, sta, reason);
+ sta->disassoc_reason = reason;
+ sta->flags |= WLAN_STA_PENDING_DISASSOC_CB;
+ eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
+ eloop_register_timeout(hapd->iface->drv_flags &
+ WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
+ ap_sta_disassoc_cb_timeout, hapd, sta);
+}
+
+
+static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct hostapd_data *hapd = eloop_ctx;
+ struct sta_info *sta = timeout_ctx;
+
+ ap_sta_remove(hapd, sta);
+ mlme_deauthenticate_indication(hapd, sta, sta->deauth_reason);
}
wpa_printf(MSG_DEBUG, "%s: deauthenticate STA " MACSTR,
hapd->conf->iface, MAC2STR(sta->addr));
sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
- ap_sta_remove(hapd, sta);
+ ap_sta_set_authorized(hapd, sta, 0);
sta->timeout_next = STA_REMOVE;
+ wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
+ "for " MACSTR " (%d seconds - "
+ "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
+ __func__, MAC2STR(sta->addr),
+ AP_MAX_INACTIVITY_AFTER_DEAUTH);
eloop_cancel_timeout(ap_handle_timer, hapd, sta);
eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
ap_handle_timer, hapd, sta);
accounting_sta_stop(hapd, sta);
ieee802_1x_free_station(sta);
- mlme_deauthenticate_indication(hapd, sta, reason);
+ sta->deauth_reason = reason;
+ sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
+ eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
+ eloop_register_timeout(hapd->iface->drv_flags &
+ WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
+ ap_sta_deauth_cb_timeout, hapd, sta);
+}
+
+
+#ifdef CONFIG_WPS
+int ap_sta_wps_cancel(struct hostapd_data *hapd,
+ struct sta_info *sta, void *ctx)
+{
+ if (sta && (sta->flags & WLAN_STA_WPS)) {
+ ap_sta_deauthenticate(hapd, sta,
+ WLAN_REASON_PREV_AUTH_NOT_VALID);
+ wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
+ __func__, MAC2STR(sta->addr));
+ return 1;
+ }
+
+ return 0;
}
+#endif /* CONFIG_WPS */
int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
ap_check_sa_query_timeout(hapd, sta))
return;
- nbuf = os_realloc(sta->sa_query_trans_id,
- (sta->sa_query_count + 1) * WLAN_SA_QUERY_TR_ID_LEN);
+ nbuf = os_realloc_array(sta->sa_query_trans_id,
+ sta->sa_query_count + 1,
+ WLAN_SA_QUERY_TR_ID_LEN);
if (nbuf == NULL)
return;
if (sta->sa_query_count == 0) {
HOSTAPD_LEVEL_DEBUG,
"association SA Query attempt %d", sta->sa_query_count);
-#ifdef NEED_AP_MLME
ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
-#endif /* NEED_AP_MLME */
}
void ap_sta_set_authorized(struct hostapd_data *hapd, struct sta_info *sta,
int authorized)
{
+ const u8 *dev_addr = NULL;
+#ifdef CONFIG_P2P
+ u8 addr[ETH_ALEN];
+#endif /* CONFIG_P2P */
+
if (!!authorized == !!(sta->flags & WLAN_STA_AUTHORIZED))
return;
- if (authorized)
+#ifdef CONFIG_P2P
+ if (hapd->p2p_group == NULL) {
+ if (sta->p2p_ie != NULL &&
+ p2p_parse_dev_addr_in_p2p_ie(sta->p2p_ie, addr) == 0)
+ dev_addr = addr;
+ } else
+ dev_addr = p2p_group_get_dev_addr(hapd->p2p_group, sta->addr);
+#endif /* CONFIG_P2P */
+
+ if (authorized) {
+ if (dev_addr)
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_CONNECTED
+ MACSTR " p2p_dev_addr=" MACSTR,
+ MAC2STR(sta->addr), MAC2STR(dev_addr));
+ else
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_CONNECTED
+ MACSTR, MAC2STR(sta->addr));
+ if (hapd->msg_ctx_parent &&
+ hapd->msg_ctx_parent != hapd->msg_ctx && dev_addr)
+ wpa_msg(hapd->msg_ctx_parent, MSG_INFO,
+ AP_STA_CONNECTED MACSTR " p2p_dev_addr="
+ MACSTR,
+ MAC2STR(sta->addr), MAC2STR(dev_addr));
+ else if (hapd->msg_ctx_parent &&
+ hapd->msg_ctx_parent != hapd->msg_ctx)
+ wpa_msg(hapd->msg_ctx_parent, MSG_INFO,
+ AP_STA_CONNECTED MACSTR, MAC2STR(sta->addr));
+
sta->flags |= WLAN_STA_AUTHORIZED;
- else
+ } else {
+ if (dev_addr)
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED
+ MACSTR " p2p_dev_addr=" MACSTR,
+ MAC2STR(sta->addr), MAC2STR(dev_addr));
+ else
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED
+ MACSTR, MAC2STR(sta->addr));
+ if (hapd->msg_ctx_parent &&
+ hapd->msg_ctx_parent != hapd->msg_ctx && dev_addr)
+ wpa_msg(hapd->msg_ctx_parent, MSG_INFO,
+ AP_STA_DISCONNECTED MACSTR " p2p_dev_addr="
+ MACSTR, MAC2STR(sta->addr), MAC2STR(dev_addr));
+ else if (hapd->msg_ctx_parent &&
+ hapd->msg_ctx_parent != hapd->msg_ctx)
+ wpa_msg(hapd->msg_ctx_parent, MSG_INFO,
+ AP_STA_DISCONNECTED MACSTR,
+ MAC2STR(sta->addr));
sta->flags &= ~WLAN_STA_AUTHORIZED;
+ }
if (hapd->sta_authorized_cb)
hapd->sta_authorized_cb(hapd->sta_authorized_cb_ctx,
- sta->addr, authorized);
+ sta->addr, authorized, dev_addr);
}
if (sta == NULL)
return;
ap_sta_set_authorized(hapd, sta, 0);
+ wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
+ ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
+ wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
+ "for " MACSTR " (%d seconds - "
+ "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
+ __func__, MAC2STR(sta->addr),
+ AP_MAX_INACTIVITY_AFTER_DEAUTH);
eloop_cancel_timeout(ap_handle_timer, hapd, sta);
- eloop_register_timeout(0, 0, ap_handle_timer, hapd, sta);
+ eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
+ ap_handle_timer, hapd, sta);
sta->timeout_next = STA_REMOVE;
+
+ sta->deauth_reason = reason;
+ sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
+ eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
+ eloop_register_timeout(hapd->iface->drv_flags &
+ WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
+ ap_sta_deauth_cb_timeout, hapd, sta);
+}
+
+
+void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta)
+{
+ if (!(sta->flags & WLAN_STA_PENDING_DEAUTH_CB)) {
+ wpa_printf(MSG_DEBUG, "Ignore deauth cb for test frame");
+ return;
+ }
+ sta->flags &= ~WLAN_STA_PENDING_DEAUTH_CB;
+ eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
+ ap_sta_deauth_cb_timeout(hapd, sta);
+}
+
+
+void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta)
+{
+ if (!(sta->flags & WLAN_STA_PENDING_DISASSOC_CB)) {
+ wpa_printf(MSG_DEBUG, "Ignore disassoc cb for test frame");
+ return;
+ }
+ sta->flags &= ~WLAN_STA_PENDING_DISASSOC_CB;
+ eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
+ ap_sta_disassoc_cb_timeout(hapd, sta);
}
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