* hostapd / Callback functions for driver wrappers
* Copyright (c) 2002-2009, 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 "drivers/driver.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
-#include "common/wpa_ctrl.h"
#include "crypto/random.h"
#include "p2p/p2p.h"
#include "wps/wps.h"
#include "sta_info.h"
#include "accounting.h"
#include "tkip_countermeasures.h"
-#include "iapp.h"
#include "ieee802_1x.h"
#include "wpa_auth.h"
-#include "wmm.h"
#include "wps_hostapd.h"
#include "ap_drv_ops.h"
#include "ap_config.h"
+#include "hw_features.h"
int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
- const u8 *ie, size_t ielen, int reassoc)
+ const u8 *req_ies, size_t req_ies_len, int reassoc)
{
struct sta_info *sta;
int new_assoc, res;
struct ieee802_11_elems elems;
-#ifdef CONFIG_P2P
- const u8 *all_ies = ie;
- size_t all_ies_len = ielen;
-#endif /* CONFIG_P2P */
+ const u8 *ie;
+ size_t ielen;
+ u16 reason = WLAN_REASON_UNSPECIFIED;
if (addr == NULL) {
/*
hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "associated");
- ieee802_11_parse_elems(ie, ielen, &elems, 0);
+ ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
if (elems.wps_ie) {
ie = elems.wps_ie - 2;
ielen = elems.wps_ie_len + 2;
sta = ap_get_sta(hapd, addr);
if (sta) {
accounting_sta_stop(hapd, sta);
+
+ /*
+ * Make sure that the previously registered inactivity timer
+ * will not remove the STA immediately.
+ */
+ sta->timeout_next = STA_NULLFUNC;
} else {
sta = ap_sta_add(hapd, addr);
- if (sta == NULL)
+ if (sta == NULL) {
+ hostapd_drv_sta_disassoc(hapd, addr,
+ WLAN_REASON_DISASSOC_AP_BUSY);
return -1;
+ }
}
- sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
+ sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
#ifdef CONFIG_P2P
if (elems.p2p) {
wpabuf_free(sta->p2p_ie);
- sta->p2p_ie = ieee802_11_vendor_ie_concat(all_ies, all_ies_len,
+ sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
P2P_IE_VENDOR_TYPE);
}
#endif /* CONFIG_P2P */
if (hapd->conf->wpa) {
if (ie == NULL || ielen == 0) {
+#ifdef CONFIG_WPS
if (hapd->conf->wps_state) {
wpa_printf(MSG_DEBUG, "STA did not include "
"WPA/RSN IE in (Re)Association "
sta->flags |= WLAN_STA_MAYBE_WPS;
goto skip_wpa_check;
}
+#endif /* CONFIG_WPS */
wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
return -1;
}
+#ifdef CONFIG_WPS
if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
+ struct wpabuf *wps;
sta->flags |= WLAN_STA_WPS;
+ wps = ieee802_11_vendor_ie_concat(ie, ielen,
+ WPS_IE_VENDOR_TYPE);
+ if (wps) {
+ if (wps_is_20(wps)) {
+ wpa_printf(MSG_DEBUG, "WPS: STA "
+ "supports WPS 2.0");
+ sta->flags |= WLAN_STA_WPS2;
+ }
+ wpabuf_free(wps);
+ }
goto skip_wpa_check;
}
+#endif /* CONFIG_WPS */
if (sta->wpa_sm == NULL)
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
ie, ielen, NULL, 0);
if (res != WPA_IE_OK) {
- int resp;
wpa_printf(MSG_DEBUG, "WPA/RSN information element "
"rejected? (res %u)", res);
wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
if (res == WPA_INVALID_GROUP)
- resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
+ reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
else if (res == WPA_INVALID_PAIRWISE)
- resp = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
+ reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
else if (res == WPA_INVALID_AKMP)
- resp = WLAN_REASON_AKMP_NOT_VALID;
+ reason = WLAN_REASON_AKMP_NOT_VALID;
#ifdef CONFIG_IEEE80211W
else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
- resp = WLAN_REASON_INVALID_IE;
+ reason = WLAN_REASON_INVALID_IE;
else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
- resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
+ reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
#endif /* CONFIG_IEEE80211W */
else
- resp = WLAN_REASON_INVALID_IE;
- hostapd_drv_sta_disassoc(hapd, sta->addr, resp);
- ap_free_sta(hapd, sta);
- return -1;
+ reason = WLAN_REASON_INVALID_IE;
+ goto fail;
}
} else if (hapd->conf->wps_state) {
-#ifdef CONFIG_WPS_STRICT
- if (ie) {
- struct wpabuf *wps;
- wps = ieee802_11_vendor_ie_concat(ie, ielen,
+#ifdef CONFIG_WPS
+ struct wpabuf *wps;
+ if (req_ies)
+ wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
WPS_IE_VENDOR_TYPE);
- if (wps && wps_validate_assoc_req(wps) < 0) {
- hostapd_drv_sta_disassoc(
- hapd, sta->addr,
- WLAN_REASON_INVALID_IE);
- ap_free_sta(hapd, sta);
- wpabuf_free(wps);
- return -1;
- }
+ else
+ wps = NULL;
+#ifdef CONFIG_WPS_STRICT
+ if (wps && wps_validate_assoc_req(wps) < 0) {
+ reason = WLAN_REASON_INVALID_IE;
wpabuf_free(wps);
+ goto fail;
}
#endif /* CONFIG_WPS_STRICT */
- if (ie && ielen > 4 && ie[0] == 0xdd && ie[1] >= 4 &&
- os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
+ if (wps) {
sta->flags |= WLAN_STA_WPS;
+ if (wps_is_20(wps)) {
+ wpa_printf(MSG_DEBUG, "WPS: STA supports "
+ "WPS 2.0");
+ sta->flags |= WLAN_STA_WPS2;
+ }
} else
sta->flags |= WLAN_STA_MAYBE_WPS;
+ wpabuf_free(wps);
+#endif /* CONFIG_WPS */
}
+#ifdef CONFIG_WPS
skip_wpa_check:
+#endif /* CONFIG_WPS */
new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
#ifdef CONFIG_P2P
- p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
- all_ies, all_ies_len);
+ if (req_ies) {
+ p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
+ req_ies, req_ies_len);
+ }
#endif /* CONFIG_P2P */
return 0;
+
+fail:
+ hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
+ ap_free_sta(hapd, sta);
+ return -1;
}
return;
}
+ ap_sta_set_authorized(hapd, sta, 0);
sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
- wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
- MAC2STR(sta->addr));
wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
}
-int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa,
- const u8 *ie, size_t ie_len)
+void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
+ int offset)
+{
+#ifdef NEED_AP_MLME
+ int channel;
+
+ hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO, "driver had channel switch: "
+ "freq=%d, ht=%d, offset=%d", freq, ht, offset);
+
+ hapd->iface->freq = freq;
+
+ channel = hostapd_hw_get_channel(hapd, freq);
+ if (!channel) {
+ hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_WARNING, "driver switched to "
+ "bad channel!");
+ return;
+ }
+
+ hapd->iconf->channel = channel;
+ hapd->iconf->ieee80211n = ht;
+ hapd->iconf->secondary_channel = offset;
+#endif /* NEED_AP_MLME */
+}
+
+
+int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
+ const u8 *bssid, const u8 *ie, size_t ie_len,
+ int ssi_signal)
{
size_t i;
int ret = 0;
random_add_randomness(sa, ETH_ALEN);
for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
- sa, ie, ie_len) > 0) {
+ sa, da, bssid, ie, ie_len,
+ ssi_signal) > 0) {
ret = 1;
break;
}
#ifdef NEED_AP_MLME
-static const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len)
-{
- u16 fc, type, stype;
-
- /*
- * PS-Poll frames are 16 bytes. All other frames are
- * 24 bytes or longer.
- */
- if (len < 16)
- return NULL;
-
- fc = le_to_host16(hdr->frame_control);
- type = WLAN_FC_GET_TYPE(fc);
- stype = WLAN_FC_GET_STYPE(fc);
-
- switch (type) {
- case WLAN_FC_TYPE_DATA:
- if (len < 24)
- return NULL;
- switch (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) {
- case WLAN_FC_FROMDS | WLAN_FC_TODS:
- case WLAN_FC_TODS:
- return hdr->addr1;
- case WLAN_FC_FROMDS:
- return hdr->addr2;
- default:
- return NULL;
- }
- case WLAN_FC_TYPE_CTRL:
- if (stype != WLAN_FC_STYPE_PSPOLL)
- return NULL;
- return hdr->addr1;
- case WLAN_FC_TYPE_MGMT:
- return hdr->addr3;
- default:
- return NULL;
- }
-}
-
-
#define HAPD_BROADCAST ((struct hostapd_data *) -1)
static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
- const u8 *frame, size_t len)
+ const u8 *bssid, const u8 *addr,
+ int wds)
{
- const struct ieee80211_hdr *hdr = (const struct ieee80211_hdr *) frame;
- u16 fc = le_to_host16(hdr->frame_control);
- hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
+ hapd = get_hapd_bssid(hapd->iface, bssid);
if (hapd == NULL || hapd == HAPD_BROADCAST)
return;
- ieee802_11_rx_from_unknown(hapd, hdr->addr2,
- (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
- (WLAN_FC_TODS | WLAN_FC_FROMDS));
+ ieee802_11_rx_from_unknown(hapd, addr, wds);
}
union wpa_event_data *data)
{
struct hostapd_data *hapd = ctx;
+#ifndef CONFIG_NO_STDOUT_DEBUG
+ int level = MSG_DEBUG;
+
+ if (event == EVENT_RX_MGMT && data && data->rx_mgmt.frame &&
+ data->rx_mgmt.frame_len >= 24) {
+ const struct ieee80211_hdr *hdr;
+ u16 fc;
+ hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
+ fc = le_to_host16(hdr->frame_control);
+ if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+ WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
+ level = MSG_EXCESSIVE;
+ }
+
+ wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
+ event_to_string(event), event);
+#endif /* CONFIG_NO_STDOUT_DEBUG */
switch (event) {
case EVENT_MICHAEL_MIC_FAILURE:
break;
}
break;
+ case EVENT_EAPOL_TX_STATUS:
+ hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
+ data->eapol_tx_status.data,
+ data->eapol_tx_status.data_len,
+ data->eapol_tx_status.ack);
+ break;
+ case EVENT_DRIVER_CLIENT_POLL_OK:
+ hostapd_client_poll_ok(hapd, data->client_poll.addr);
+ break;
case EVENT_RX_FROM_UNKNOWN:
- hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.frame,
- data->rx_from_unknown.len);
+ hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
+ data->rx_from_unknown.addr,
+ data->rx_from_unknown.wds);
break;
case EVENT_RX_MGMT:
hostapd_mgmt_rx(hapd, &data->rx_mgmt);
data->rx_probe_req.ie == NULL)
break;
hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
+ data->rx_probe_req.da,
+ data->rx_probe_req.bssid,
data->rx_probe_req.ie,
- data->rx_probe_req.ie_len);
+ data->rx_probe_req.ie_len,
+ data->rx_probe_req.ssi_signal);
break;
case EVENT_NEW_STA:
hostapd_event_new_sta(hapd, data->new_sta.addr);
break;
hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
break;
+#ifdef NEED_AP_MLME
case EVENT_RX_ACTION:
if (data->rx_action.da == NULL || data->rx_action.sa == NULL ||
data->rx_action.bssid == NULL)
break;
hostapd_rx_action(hapd, &data->rx_action);
break;
+#endif /* NEED_AP_MLME */
+ case EVENT_CH_SWITCH:
+ if (!data)
+ break;
+ hostapd_event_ch_switch(hapd, data->ch_switch.freq,
+ data->ch_switch.ht_enabled,
+ data->ch_switch.ch_offset);
+ break;
default:
wpa_printf(MSG_DEBUG, "Unknown event %d", event);
break;
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