/*
* 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 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 "ap_drv_ops.h"
#include "ap_config.h"
#include "hw_features.h"
+#include "dfs.h"
+#include "beacon.h"
int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
#endif /* CONFIG_IEEE80211R */
u16 reason = WLAN_REASON_UNSPECIFIED;
u16 status = WLAN_STATUS_SUCCESS;
+ const u8 *p2p_dev_addr = NULL;
if (addr == NULL) {
/*
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;
sta = ap_get_sta(hapd, addr);
if (sta) {
+ ap_sta_no_session_timeout(hapd, sta);
accounting_sta_stop(hapd, sta);
/*
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);
}
#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) {
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");
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:
new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
sta->flags |= WLAN_STA_AUTH | WLAN_STA_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);
void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
- int offset)
+ int offset, int width, int cf1, int cf2)
{
#ifdef NEED_AP_MLME
- int channel;
+ int channel, chwidth, seg0_idx = 0, seg1_idx = 0;
hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "driver had channel switch: "
- "freq=%d, ht=%d, offset=%d", freq, ht, offset);
+ "freq=%d, ht=%d, offset=%d, width=%d, cf1=%d, cf2=%d",
+ freq, ht, offset, width, cf1, cf2);
hapd->iface->freq = freq;
return;
}
+ 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 */
}
if (!sta) {
sta = ap_sta_add(hapd, rx_auth->peer);
if (sta == NULL) {
- status = WLAN_STATUS_UNSPECIFIED_FAILURE;
+ status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
goto fail;
}
}
sta->auth_alg = WLAN_AUTH_FT;
if (sta->wpa_sm == NULL)
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
- sta->addr);
+ sta->addr, NULL);
if (sta->wpa_sm == NULL) {
wpa_printf(MSG_DEBUG, "FT: Failed to initialize WPA "
"state machine");
static void hostapd_action_rx(struct hostapd_data *hapd,
- struct rx_action *action)
+ 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",
- action->category, (int) action->len);
+ mgmt->u.action.category, (int) plen);
- sta = ap_get_sta(hapd, action->sa);
+ sta = ap_get_sta(hapd, mgmt->sa);
if (sta == NULL) {
wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
return;
}
#ifdef CONFIG_IEEE80211R
- if (action->category == WLAN_ACTION_FT) {
- wpa_printf(MSG_DEBUG, "%s: FT_ACTION length %d",
- __func__, (int) action->len);
- wpa_ft_action_rx(sta->wpa_sm, action->data, action->len);
+ 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 (action->category == WLAN_ACTION_SA_QUERY && action->len >= 4) {
- wpa_printf(MSG_DEBUG, "%s: SA_QUERY_ACTION length %d",
- __func__, (int) action->len);
- ieee802_11_sa_query_action(hapd, action->sa,
- *(action->data + 1),
- action->data + 2);
+ 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 (action->category == WLAN_ACTION_WNM) {
- wpa_printf(MSG_DEBUG, "%s: WNM_ACTION length %d",
- __func__, (int) action->len);
- ieee802_11_rx_wnm_action_ap(hapd, action);
+ if (mgmt->u.action.category == WLAN_ACTION_WNM) {
+ ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
}
#endif /* CONFIG_WNM */
}
}
-static void hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
+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 *) 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));
if (hapd == HAPD_BROADCAST) {
size_t i;
- for (i = 0; i < iface->num_bss; i++)
- ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
- rx_mgmt->frame_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, rx_mgmt->frame, rx_mgmt->frame_len, &fi);
+ ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
+ &fi);
random_add_randomness(&fi, sizeof(fi));
-}
-
-
-static void hostapd_rx_action(struct hostapd_data *hapd,
- struct rx_action *rx_action)
-{
- struct rx_mgmt rx_mgmt;
- u8 *buf;
- struct ieee80211_hdr *hdr;
- wpa_printf(MSG_DEBUG, "EVENT_RX_ACTION DA=" MACSTR " SA=" MACSTR
- " BSSID=" MACSTR " category=%u",
- MAC2STR(rx_action->da), MAC2STR(rx_action->sa),
- MAC2STR(rx_action->bssid), rx_action->category);
- wpa_hexdump(MSG_MSGDUMP, "Received action frame contents",
- rx_action->data, rx_action->len);
-
- buf = os_zalloc(24 + 1 + rx_action->len);
- if (buf == NULL)
- return;
- hdr = (struct ieee80211_hdr *) buf;
- hdr->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_ACTION);
- if (rx_action->category == WLAN_ACTION_SA_QUERY) {
- /*
- * Assume frame was protected; it would have been dropped if
- * not.
- */
- hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
- }
- os_memcpy(hdr->addr1, rx_action->da, ETH_ALEN);
- os_memcpy(hdr->addr2, rx_action->sa, ETH_ALEN);
- os_memcpy(hdr->addr3, rx_action->bssid, ETH_ALEN);
- buf[24] = rx_action->category;
- os_memcpy(buf + 24 + 1, rx_action->data, rx_action->len);
- os_memset(&rx_mgmt, 0, sizeof(rx_mgmt));
- rx_mgmt.frame = buf;
- rx_mgmt.frame_len = 24 + 1 + rx_action->len;
- hostapd_mgmt_rx(hapd, &rx_mgmt);
- os_free(buf);
+ return ret;
}
}
+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)
{
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);
- break;
+ 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_event_sta_low_ack(hapd, data->low_ack.addr);
break;
- case EVENT_RX_ACTION:
- if (data->rx_action.da == NULL || data->rx_action.sa == NULL ||
- data->rx_action.bssid == NULL)
- break;
-#ifdef NEED_AP_MLME
- hostapd_rx_action(hapd, &data->rx_action);
-#endif /* NEED_AP_MLME */
- hostapd_action_rx(hapd, &data->rx_action);
- break;
case EVENT_AUTH:
hostapd_notif_auth(hapd, &data->auth);
break;
break;
hostapd_event_ch_switch(hapd, data->ch_switch.freq,
data->ch_switch.ht_enabled,
- data->ch_switch.ch_offset);
+ 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)
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:
wpa_printf(MSG_DEBUG, "Unknown event %d", event);
break;
projects / mech_eap.git / blobdiff