/*
* hostapd / Callback functions for driver wrappers
- * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2013, 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 "radius/radius.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 "wnm_ap.h"
#include "hostapd.h"
#include "ieee802_11.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 "driver_i.h"
-
-
-int hostapd_notif_new_sta(struct hostapd_data *hapd, const u8 *addr)
-{
- struct sta_info *sta = ap_get_sta(hapd, addr);
- if (sta)
- return 0;
-
- wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
- " - adding a new STA", MAC2STR(addr));
- sta = ap_sta_add(hapd, addr);
- if (sta) {
- hostapd_new_assoc_sta(hapd, sta, 0);
- } else {
- wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
- MAC2STR(addr));
- return -1;
- }
-
- return 0;
-}
+#include "hw_features.h"
+#include "dfs.h"
+#include "beacon.h"
int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
- const u8 *ie, size_t ielen)
+ const u8 *req_ies, size_t req_ies_len, int reassoc)
{
struct sta_info *sta;
int new_assoc, res;
+ struct ieee802_11_elems elems;
+ const u8 *ie;
+ size_t ielen;
+#ifdef CONFIG_IEEE80211R
+ u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
+ u8 *p = buf;
+#endif /* CONFIG_IEEE80211R */
+ u16 reason = WLAN_REASON_UNSPECIFIED;
+ u16 status = WLAN_STATUS_SUCCESS;
+ const u8 *p2p_dev_addr = NULL;
+
+ if (addr == NULL) {
+ /*
+ * This could potentially happen with unexpected event from the
+ * driver wrapper. This was seen at least in one case where the
+ * driver ended up being set to station mode while hostapd was
+ * running, so better make sure we stop processing such an
+ * event here.
+ */
+ wpa_printf(MSG_DEBUG, "hostapd_notif_assoc: Skip event with "
+ "no address");
+ return -1;
+ }
+ random_add_randomness(addr, ETH_ALEN);
hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "associated");
+ 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;
+ wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
+ } else if (elems.rsn_ie) {
+ ie = elems.rsn_ie - 2;
+ ielen = elems.rsn_ie_len + 2;
+ wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
+ } else if (elems.wpa_ie) {
+ ie = elems.wpa_ie - 2;
+ ielen = elems.wpa_ie_len + 2;
+ wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
+#ifdef CONFIG_HS20
+ } else if (elems.osen) {
+ ie = elems.osen - 2;
+ ielen = elems.osen_len + 2;
+ wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
+#endif /* CONFIG_HS20 */
+ } else {
+ ie = NULL;
+ ielen = 0;
+ wpa_printf(MSG_DEBUG, "STA did not include WPS/RSN/WPA IE in "
+ "(Re)AssocReq");
+ }
+
sta = ap_get_sta(hapd, addr);
if (sta) {
+ ap_sta_no_session_timeout(hapd, 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 | WLAN_STA_WPS2);
+
+#ifdef CONFIG_P2P
+ if (elems.p2p) {
+ wpabuf_free(sta->p2p_ie);
+ sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
+ P2P_IE_VENDOR_TYPE);
+ if (sta->p2p_ie)
+ p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
}
- sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
+#endif /* CONFIG_P2P */
+
+#ifdef CONFIG_IEEE80211N
+#ifdef NEED_AP_MLME
+ if (elems.ht_capabilities &&
+ elems.ht_capabilities_len >=
+ sizeof(struct ieee80211_ht_capabilities) &&
+ (hapd->iface->conf->ht_capab &
+ HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
+ struct ieee80211_ht_capabilities *ht_cap =
+ (struct ieee80211_ht_capabilities *)
+ elems.ht_capabilities;
+
+ if (le_to_host16(ht_cap->ht_capabilities_info) &
+ HT_CAP_INFO_40MHZ_INTOLERANT)
+ ht40_intolerant_add(hapd->iface, sta);
+ }
+#endif /* NEED_AP_MLME */
+#endif /* CONFIG_IEEE80211N */
+
+#ifdef CONFIG_INTERWORKING
+ if (elems.ext_capab && elems.ext_capab_len > 4) {
+ if (elems.ext_capab[4] & 0x01)
+ sta->qos_map_enabled = 1;
+ }
+#endif /* CONFIG_INTERWORKING */
+
+#ifdef CONFIG_HS20
+ wpabuf_free(sta->hs20_ie);
+ if (elems.hs20 && elems.hs20_len > 4) {
+ sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
+ elems.hs20_len - 4);
+ } else
+ sta->hs20_ie = NULL;
+#endif /* CONFIG_HS20 */
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,
- sta->addr);
+ sta->addr,
+ p2p_dev_addr);
if (sta->wpa_sm == NULL) {
wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
"machine");
return -1;
}
res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
- ie, ielen, NULL, 0);
+ ie, ielen,
+ elems.mdie, elems.mdie_len);
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;
- else if (res == WPA_INVALID_PAIRWISE)
- resp = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
- else if (res == WPA_INVALID_AKMP)
- resp = WLAN_REASON_AKMP_NOT_VALID;
+ if (res == WPA_INVALID_GROUP) {
+ reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
+ status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
+ } else if (res == WPA_INVALID_PAIRWISE) {
+ reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
+ status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
+ } else if (res == WPA_INVALID_AKMP) {
+ reason = WLAN_REASON_AKMP_NOT_VALID;
+ status = WLAN_STATUS_AKMP_NOT_VALID;
+ }
#ifdef CONFIG_IEEE80211W
- else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
- resp = WLAN_REASON_INVALID_IE;
- else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
- resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
+ else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
+ reason = WLAN_REASON_INVALID_IE;
+ status = WLAN_STATUS_INVALID_IE;
+ } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
+ reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
+ status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
+ }
#endif /* CONFIG_IEEE80211W */
- else
- resp = WLAN_REASON_INVALID_IE;
- hapd->drv.sta_disassoc(hapd, sta->addr, resp);
- ap_free_sta(hapd, sta);
- return -1;
+ else {
+ reason = WLAN_REASON_INVALID_IE;
+ status = WLAN_STATUS_INVALID_IE;
+ }
+ goto fail;
+ }
+#ifdef CONFIG_IEEE80211W
+ if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
+ sta->sa_query_count > 0)
+ ap_check_sa_query_timeout(hapd, sta);
+ if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
+ (sta->auth_alg != WLAN_AUTH_FT)) {
+ /*
+ * STA has already been associated with MFP and SA
+ * Query timeout has not been reached. Reject the
+ * association attempt temporarily and start SA Query,
+ * if one is not pending.
+ */
+
+ if (sta->sa_query_count == 0)
+ ap_sta_start_sa_query(hapd, sta);
+
+#ifdef CONFIG_IEEE80211R
+ status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
+
+ p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
+
+ hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
+ p - buf);
+#endif /* CONFIG_IEEE80211R */
+ return 0;
+ }
+
+ if (wpa_auth_uses_mfp(sta->wpa_sm))
+ sta->flags |= WLAN_STA_MFP;
+ else
+ sta->flags &= ~WLAN_STA_MFP;
+#endif /* CONFIG_IEEE80211W */
+
+#ifdef CONFIG_IEEE80211R
+ if (sta->auth_alg == WLAN_AUTH_FT) {
+ status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
+ req_ies_len);
+ if (status != WLAN_STATUS_SUCCESS) {
+ if (status == WLAN_STATUS_INVALID_PMKID)
+ reason = WLAN_REASON_INVALID_IE;
+ if (status == WLAN_STATUS_INVALID_MDIE)
+ reason = WLAN_REASON_INVALID_IE;
+ if (status == WLAN_STATUS_INVALID_FTIE)
+ reason = WLAN_REASON_INVALID_IE;
+ goto fail;
+ }
}
+#endif /* CONFIG_IEEE80211R */
} else if (hapd->conf->wps_state) {
- if (ie && ielen > 4 && ie[0] == 0xdd && ie[1] >= 4 &&
- os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
+#ifdef CONFIG_WPS
+ struct wpabuf *wps;
+ if (req_ies)
+ wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
+ WPS_IE_VENDOR_TYPE);
+ else
+ wps = NULL;
+#ifdef CONFIG_WPS_STRICT
+ if (wps && wps_validate_assoc_req(wps) < 0) {
+ reason = WLAN_REASON_INVALID_IE;
+ status = WLAN_STATUS_INVALID_IE;
+ wpabuf_free(wps);
+ goto fail;
+ }
+#endif /* CONFIG_WPS_STRICT */
+ 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_HS20
+ } else if (hapd->conf->osen) {
+ if (elems.osen == NULL) {
+ hostapd_logger(
+ hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO,
+ "No HS 2.0 OSEN element in association request");
+ return WLAN_STATUS_INVALID_IE;
+ }
+
+ wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
+ if (sta->wpa_sm == NULL)
+ sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
+ sta->addr, NULL);
+ if (sta->wpa_sm == NULL) {
+ wpa_printf(MSG_WARNING, "Failed to initialize WPA "
+ "state machine");
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+ }
+ if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
+ elems.osen - 2, elems.osen_len + 2) < 0)
+ return WLAN_STATUS_INVALID_IE;
+#endif /* CONFIG_HS20 */
}
+#ifdef CONFIG_WPS
skip_wpa_check:
+#endif /* CONFIG_WPS */
+
+#ifdef CONFIG_IEEE80211R
+ p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
+ sta->auth_alg, req_ies, req_ies_len);
+
+ hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
+#else /* CONFIG_IEEE80211R */
+ /* Keep compiler silent about unused variables */
+ if (status) {
+ }
+#endif /* CONFIG_IEEE80211R */
new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
- wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
+ sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
+
+ if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
+ wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
+ else
+ wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
hostapd_new_assoc_sta(hapd, sta, !new_assoc);
ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
+#ifdef CONFIG_P2P
+ if (req_ies) {
+ p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
+ req_ies, req_ies_len);
+ }
+#endif /* CONFIG_P2P */
+
return 0;
+
+fail:
+#ifdef CONFIG_IEEE80211R
+ hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
+#endif /* CONFIG_IEEE80211R */
+ hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
+ ap_free_sta(hapd, sta);
+ return -1;
}
{
struct sta_info *sta;
+ if (addr == NULL) {
+ /*
+ * This could potentially happen with unexpected event from the
+ * driver wrapper. This was seen at least in one case where the
+ * driver ended up reporting a station mode event while hostapd
+ * was running, so better make sure we stop processing such an
+ * event here.
+ */
+ wpa_printf(MSG_DEBUG, "hostapd_notif_disassoc: Skip event "
+ "with no address");
+ return;
+ }
+
hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "disassociated");
return;
}
+ ap_sta_set_authorized(hapd, sta, 0);
sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
}
-void hostapd_eapol_receive(struct hostapd_data *hapd, const u8 *sa,
- const u8 *buf, size_t len)
+void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
{
- ieee802_1x_receive(hapd, sa, buf, len);
+ struct sta_info *sta = ap_get_sta(hapd, addr);
+
+ if (!sta || !hapd->conf->disassoc_low_ack)
+ return;
+
+ hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO, "disconnected due to excessive "
+ "missing ACKs");
+ hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
+ if (sta)
+ ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
}
-struct hostapd_data * hostapd_sta_get_bss(struct hostapd_data *hapd,
- const u8 *addr)
+void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
+ int offset, int width, int cf1, int cf2)
{
- struct hostapd_iface *iface = hapd->iface;
- size_t j;
+#ifdef NEED_AP_MLME
+ int channel, chwidth, seg0_idx = 0, seg1_idx = 0;
- for (j = 0; j < iface->num_bss; j++) {
- hapd = iface->bss[j];
- if (ap_get_sta(hapd, addr))
- return hapd;
+ hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO, "driver had channel switch: "
+ "freq=%d, ht=%d, offset=%d, width=%d, cf1=%d, cf2=%d",
+ freq, ht, offset, width, cf1, cf2);
+
+ 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;
}
- return NULL;
+ switch (width) {
+ case CHAN_WIDTH_80:
+ chwidth = VHT_CHANWIDTH_80MHZ;
+ break;
+ case CHAN_WIDTH_80P80:
+ chwidth = VHT_CHANWIDTH_80P80MHZ;
+ break;
+ case CHAN_WIDTH_160:
+ chwidth = VHT_CHANWIDTH_160MHZ;
+ break;
+ case CHAN_WIDTH_20_NOHT:
+ case CHAN_WIDTH_20:
+ case CHAN_WIDTH_40:
+ default:
+ chwidth = VHT_CHANWIDTH_USE_HT;
+ break;
+ }
+
+ switch (hapd->iface->current_mode->mode) {
+ case HOSTAPD_MODE_IEEE80211A:
+ if (cf1 > 5000)
+ seg0_idx = (cf1 - 5000) / 5;
+ if (cf2 > 5000)
+ seg1_idx = (cf2 - 5000) / 5;
+ break;
+ default:
+ seg0_idx = hostapd_hw_get_channel(hapd, cf1);
+ seg1_idx = hostapd_hw_get_channel(hapd, cf2);
+ break;
+ }
+
+ hapd->iconf->channel = channel;
+ hapd->iconf->ieee80211n = ht;
+ hapd->iconf->secondary_channel = offset;
+ hapd->iconf->vht_oper_chwidth = chwidth;
+ hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx;
+ hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx;
+
+ if (hapd->csa_in_progress &&
+ freq == hapd->cs_freq_params.freq) {
+ hostapd_cleanup_cs_params(hapd);
+ ieee802_11_set_beacon(hapd);
+
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED "freq=%d",
+ freq);
+ }
+#endif /* NEED_AP_MLME */
}
-#ifdef HOSTAPD
+void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
+ const u8 *addr, int reason_code)
+{
+ switch (reason_code) {
+ case MAX_CLIENT_REACHED:
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
+ MAC2STR(addr));
+ break;
+ case BLOCKED_CLIENT:
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
+ MAC2STR(addr));
+ break;
+ }
+}
-#ifdef NEED_AP_MLME
-static const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len)
+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)
{
- u16 fc, type, stype;
+ size_t i;
+ int ret = 0;
- /*
- * PS-Poll frames are 16 bytes. All other frames are
- * 24 bytes or longer.
- */
- if (len < 16)
- return NULL;
+ if (sa == NULL || ie == NULL)
+ return -1;
- fc = le_to_host16(hdr->frame_control);
- type = WLAN_FC_GET_TYPE(fc);
- stype = WLAN_FC_GET_STYPE(fc);
+ 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, da, bssid, ie, ie_len,
+ ssi_signal) > 0) {
+ ret = 1;
+ break;
+ }
+ }
+ return ret;
+}
- 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;
+
+#ifdef HOSTAPD
+
+#ifdef CONFIG_IEEE80211R
+static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
+ const u8 *bssid,
+ u16 auth_transaction, u16 status,
+ const u8 *ies, size_t ies_len)
+{
+ struct hostapd_data *hapd = ctx;
+ struct sta_info *sta;
+
+ sta = ap_get_sta(hapd, dst);
+ if (sta == NULL)
+ return;
+
+ hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
+ sta->flags |= WLAN_STA_AUTH;
+
+ hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
+}
+#endif /* CONFIG_IEEE80211R */
+
+
+static void hostapd_notif_auth(struct hostapd_data *hapd,
+ struct auth_info *rx_auth)
+{
+ struct sta_info *sta;
+ u16 status = WLAN_STATUS_SUCCESS;
+ u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
+ size_t resp_ies_len = 0;
+
+ sta = ap_get_sta(hapd, rx_auth->peer);
+ if (!sta) {
+ sta = ap_sta_add(hapd, rx_auth->peer);
+ if (sta == NULL) {
+ status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
+ goto fail;
}
- 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;
}
+ sta->flags &= ~WLAN_STA_PREAUTH;
+ ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
+#ifdef CONFIG_IEEE80211R
+ if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
+ sta->auth_alg = WLAN_AUTH_FT;
+ if (sta->wpa_sm == NULL)
+ sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
+ sta->addr, NULL);
+ if (sta->wpa_sm == NULL) {
+ wpa_printf(MSG_DEBUG, "FT: Failed to initialize WPA "
+ "state machine");
+ status = WLAN_STATUS_UNSPECIFIED_FAILURE;
+ goto fail;
+ }
+ wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
+ rx_auth->auth_transaction, rx_auth->ies,
+ rx_auth->ies_len,
+ hostapd_notify_auth_ft_finish, hapd);
+ return;
+ }
+#endif /* CONFIG_IEEE80211R */
+fail:
+ hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
+ status, resp_ies, resp_ies_len);
+}
+
+
+static void hostapd_action_rx(struct hostapd_data *hapd,
+ struct rx_mgmt *drv_mgmt)
+{
+ struct ieee80211_mgmt *mgmt;
+ struct sta_info *sta;
+ size_t plen __maybe_unused;
+ u16 fc;
+
+ if (drv_mgmt->frame_len < 24 + 1)
+ return;
+
+ plen = drv_mgmt->frame_len - 24 - 1;
+
+ mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
+ fc = le_to_host16(mgmt->frame_control);
+ if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
+ return; /* handled by the driver */
+
+ wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d",
+ mgmt->u.action.category, (int) plen);
+
+ sta = ap_get_sta(hapd, mgmt->sa);
+ if (sta == NULL) {
+ wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
+ return;
+ }
+#ifdef CONFIG_IEEE80211R
+ if (mgmt->u.action.category == WLAN_ACTION_FT) {
+ const u8 *payload = drv_mgmt->frame + 24 + 1;
+ wpa_ft_action_rx(sta->wpa_sm, payload, plen);
+ }
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+ if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) {
+ ieee802_11_sa_query_action(
+ hapd, mgmt->sa,
+ mgmt->u.action.u.sa_query_resp.action,
+ mgmt->u.action.u.sa_query_resp.trans_id);
+ }
+#endif /* CONFIG_IEEE80211W */
+#ifdef CONFIG_WNM
+ if (mgmt->u.action.category == WLAN_ACTION_WNM) {
+ ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
+ }
+#endif /* CONFIG_WNM */
}
+#ifdef NEED_AP_MLME
+
#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 struct ieee80211_hdr *hdr,
- size_t len)
+ const u8 *bssid, const u8 *addr,
+ int wds)
{
- 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);
}
-static void hostapd_mgmt_rx(struct hostapd_data *hapd, const u8 *buf,
- size_t len, struct hostapd_frame_info *fi)
+static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
{
struct hostapd_iface *iface = hapd->iface;
const struct ieee80211_hdr *hdr;
const u8 *bssid;
+ struct hostapd_frame_info fi;
+ int ret;
+
+#ifdef CONFIG_TESTING_OPTIONS
+ if (hapd->ext_mgmt_frame_handling) {
+ size_t hex_len = 2 * rx_mgmt->frame_len + 1;
+ char *hex = os_malloc(hex_len);
+ if (hex) {
+ wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
+ rx_mgmt->frame_len);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
+ os_free(hex);
+ }
+ return 1;
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
- hdr = (const struct ieee80211_hdr *) buf;
- bssid = get_hdr_bssid(hdr, len);
+ hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
+ bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
if (bssid == NULL)
- return;
+ return 0;
hapd = get_hapd_bssid(iface, bssid);
if (hapd == NULL) {
WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
hapd = iface->bss[0];
else
- return;
+ return 0;
}
+ os_memset(&fi, 0, sizeof(fi));
+ fi.datarate = rx_mgmt->datarate;
+ fi.ssi_signal = rx_mgmt->ssi_signal;
+
if (hapd == HAPD_BROADCAST) {
size_t i;
- for (i = 0; i < iface->num_bss; i++)
- ieee802_11_mgmt(iface->bss[i], buf, len, fi);
+ ret = 0;
+ for (i = 0; i < iface->num_bss; i++) {
+ /* if bss is set, driver will call this function for
+ * each bss individually. */
+ if (rx_mgmt->drv_priv &&
+ (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
+ continue;
+
+ if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
+ rx_mgmt->frame_len, &fi) > 0)
+ ret = 1;
+ }
} else
- ieee802_11_mgmt(hapd, buf, len, fi);
+ ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
+ &fi);
+
+ random_add_randomness(&fi, sizeof(fi));
+
+ return ret;
}
#endif /* NEED_AP_MLME */
-void wpa_supplicant_event(void *ctx, wpa_event_type event,
+static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
+{
+ struct sta_info *sta = ap_get_sta(hapd, addr);
+ if (sta)
+ return 0;
+
+ wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
+ " - adding a new STA", MAC2STR(addr));
+ sta = ap_sta_add(hapd, addr);
+ if (sta) {
+ hostapd_new_assoc_sta(hapd, sta, 0);
+ } else {
+ wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
+ MAC2STR(addr));
+ return -1;
+ }
+
+ return 0;
+}
+
+
+static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
+ const u8 *data, size_t data_len)
+{
+ struct hostapd_iface *iface = hapd->iface;
+ struct sta_info *sta;
+ size_t j;
+
+ for (j = 0; j < iface->num_bss; j++) {
+ if ((sta = ap_get_sta(iface->bss[j], src))) {
+ if (sta->flags & WLAN_STA_ASSOC) {
+ hapd = iface->bss[j];
+ break;
+ }
+ }
+ }
+
+ ieee802_1x_receive(hapd, src, data, data_len);
+}
+
+
+static struct hostapd_channel_data * hostapd_get_mode_channel(
+ struct hostapd_iface *iface, unsigned int freq)
+{
+ int i;
+ struct hostapd_channel_data *chan;
+
+ for (i = 0; i < iface->current_mode->num_channels; i++) {
+ chan = &iface->current_mode->channels[i];
+ if (!chan)
+ return NULL;
+ if ((unsigned int) chan->freq == freq)
+ return chan;
+ }
+
+ return NULL;
+}
+
+
+static void hostapd_update_nf(struct hostapd_iface *iface,
+ struct hostapd_channel_data *chan,
+ struct freq_survey *survey)
+{
+ if (!iface->chans_surveyed) {
+ chan->min_nf = survey->nf;
+ iface->lowest_nf = survey->nf;
+ } else {
+ if (dl_list_empty(&chan->survey_list))
+ chan->min_nf = survey->nf;
+ else if (survey->nf < chan->min_nf)
+ chan->min_nf = survey->nf;
+ if (survey->nf < iface->lowest_nf)
+ iface->lowest_nf = survey->nf;
+ }
+}
+
+
+static void hostapd_event_get_survey(struct hostapd_data *hapd,
+ struct survey_results *survey_results)
+{
+ struct hostapd_iface *iface = hapd->iface;
+ struct freq_survey *survey, *tmp;
+ struct hostapd_channel_data *chan;
+
+ if (dl_list_empty(&survey_results->survey_list)) {
+ wpa_printf(MSG_DEBUG, "No survey data received");
+ return;
+ }
+
+ dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
+ struct freq_survey, list) {
+ chan = hostapd_get_mode_channel(iface, survey->freq);
+ if (!chan)
+ continue;
+ if (chan->flag & HOSTAPD_CHAN_DISABLED)
+ continue;
+
+ dl_list_del(&survey->list);
+ dl_list_add_tail(&chan->survey_list, &survey->list);
+
+ hostapd_update_nf(iface, chan, survey);
+
+ iface->chans_surveyed++;
+ }
+}
+
+
+#ifdef NEED_AP_MLME
+
+static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
+{
+ wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
+ hapd->conf->iface);
+
+ if (hapd->csa_in_progress) {
+ wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
+ hapd->conf->iface);
+ hostapd_switch_channel_fallback(hapd->iface,
+ &hapd->cs_freq_params);
+ }
+}
+
+
+static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
+ struct dfs_event *radar)
+{
+ wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
+ hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
+ radar->chan_offset, radar->chan_width,
+ radar->cf1, radar->cf2);
+}
+
+
+static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
+ struct dfs_event *radar)
+{
+ wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
+ hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
+ radar->chan_offset, radar->chan_width,
+ radar->cf1, radar->cf2);
+}
+
+
+static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
+ struct dfs_event *radar)
+{
+ wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
+ hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
+ radar->chan_offset, radar->chan_width,
+ radar->cf1, radar->cf2);
+}
+
+
+static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
+ struct dfs_event *radar)
+{
+ wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
+ hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
+ radar->chan_offset, radar->chan_width,
+ radar->cf1, radar->cf2);
+}
+
+#endif /* NEED_AP_MLME */
+
+
+void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
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->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;
+ if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+ WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
+ 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;
#endif /* CONFIG_IEEE80211R */
case EVENT_WPS_BUTTON_PUSHED:
- hostapd_wps_button_pushed(hapd);
+ hostapd_wps_button_pushed(hapd, NULL);
break;
#ifdef NEED_AP_MLME
case EVENT_TX_STATUS:
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.hdr,
- 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;
+#endif /* NEED_AP_MLME */
case EVENT_RX_MGMT:
- hostapd_mgmt_rx(hapd, data->rx_mgmt.frame,
- data->rx_mgmt.frame_len, data->rx_mgmt.fi);
+ if (!data->rx_mgmt.frame)
+ break;
+#ifdef NEED_AP_MLME
+ if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0)
+ break;
+#endif /* NEED_AP_MLME */
+ hostapd_action_rx(hapd, &data->rx_mgmt);
+ break;
+ case EVENT_RX_PROBE_REQ:
+ if (data->rx_probe_req.sa == NULL ||
+ 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.ssi_signal);
+ break;
+ case EVENT_NEW_STA:
+ hostapd_event_new_sta(hapd, data->new_sta.addr);
+ break;
+ case EVENT_EAPOL_RX:
+ hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
+ data->eapol_rx.data,
+ data->eapol_rx.data_len);
+ break;
+ case EVENT_ASSOC:
+ hostapd_notif_assoc(hapd, data->assoc_info.addr,
+ data->assoc_info.req_ies,
+ data->assoc_info.req_ies_len,
+ data->assoc_info.reassoc);
+ break;
+ case EVENT_DISASSOC:
+ if (data)
+ hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
+ break;
+ case EVENT_DEAUTH:
+ if (data)
+ hostapd_notif_disassoc(hapd, data->deauth_info.addr);
+ break;
+ case EVENT_STATION_LOW_ACK:
+ if (!data)
+ break;
+ hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
+ break;
+ case EVENT_AUTH:
+ hostapd_notif_auth(hapd, &data->auth);
+ break;
+ 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,
+ data->ch_switch.ch_width,
+ data->ch_switch.cf1,
+ data->ch_switch.cf2);
+ break;
+ case EVENT_CONNECT_FAILED_REASON:
+ if (!data)
+ break;
+ hostapd_event_connect_failed_reason(
+ hapd, data->connect_failed_reason.addr,
+ data->connect_failed_reason.code);
+ break;
+ case EVENT_SURVEY:
+ hostapd_event_get_survey(hapd, &data->survey_results);
+ break;
+#ifdef NEED_AP_MLME
+ case EVENT_INTERFACE_UNAVAILABLE:
+ hostapd_event_iface_unavailable(hapd);
+ break;
+ case EVENT_DFS_RADAR_DETECTED:
+ if (!data)
+ break;
+ hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
+ break;
+ case EVENT_DFS_CAC_FINISHED:
+ if (!data)
+ break;
+ hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
+ break;
+ case EVENT_DFS_CAC_ABORTED:
+ if (!data)
+ break;
+ hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
+ break;
+ case EVENT_DFS_NOP_FINISHED:
+ if (!data)
+ break;
+ hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
+ break;
+ case EVENT_CHANNEL_LIST_CHANGED:
+ /* channel list changed (regulatory?), update channel list */
+ /* TODO: check this. hostapd_get_hw_features() initializes
+ * too much stuff. */
+ /* hostapd_get_hw_features(hapd->iface); */
+ hostapd_channel_list_updated(
+ hapd->iface, data->channel_list_changed.initiator);
break;
#endif /* NEED_AP_MLME */
default:
}
#endif /* HOSTAPD */
-
-
-void hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa,
- const u8 *ie, size_t ie_len)
-{
- size_t i;
-
- for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++)
- hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
- sa, ie, ie_len);
-}
projects / mech_eap.git / blobdiff