#include "includes.h"
+#include "common.h"
#include "hostapd.h"
#include "driver_i.h"
#include "ieee802_11.h"
#include "wpa.h"
#include "iapp.h"
#include "wme.h"
+#include "wps_hostapd.h"
struct prune_data {
if (!hapd->conf->ieee802_1x && !hapd->conf->wpa)
accounting_sta_start(hapd, sta);
- hostapd_wmm_sta_config(hapd, sta);
-
/* Start IEEE 802.1X authentication process for new stations */
ieee802_1x_new_station(hapd, sta);
if (reassoc) {
}
-void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
- const u8 *buf, size_t len, int ack)
+int hostapd_notif_new_sta(struct hostapd_data *hapd, const u8 *addr)
{
- struct sta_info *sta;
-
- sta = ap_get_sta(hapd, addr);
- if (sta && sta->flags & WLAN_STA_PENDING_POLL) {
- wpa_printf(MSG_DEBUG, "STA " MACSTR " %s pending "
- "activity poll", MAC2STR(sta->addr),
- ack ? "ACKed" : "did not ACK");
- if (ack)
- sta->flags &= ~WLAN_STA_PENDING_POLL;
- }
+ struct sta_info *sta = ap_get_sta(hapd, addr);
if (sta)
- ieee802_1x_tx_status(hapd, sta, buf, len, ack);
-}
-
+ return 0;
-void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, const u8 *addr)
-{
- struct sta_info *sta;
-
- sta = ap_get_sta(hapd, addr);
- if (!sta || !(sta->flags & WLAN_STA_ASSOC)) {
- wpa_printf(MSG_DEBUG, "Data/PS-poll frame from not associated "
- "STA " MACSTR, MAC2STR(addr));
- if (sta && (sta->flags & WLAN_STA_AUTH))
- hostapd_sta_disassoc(
- hapd, addr,
- WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
- else
- hostapd_sta_deauth(
- hapd, addr,
- WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
+ 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;
}
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;
+ 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;
+#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;
+#endif /* CONFIG_IEEE80211W */
+ else
+ resp = WLAN_REASON_INVALID_IE;
+ hostapd_sta_disassoc(hapd, sta->addr, resp);
+ ap_free_sta(hapd, sta);
return -1;
}
} else if (hapd->conf->wps_state) {
}
-#ifdef NEED_MLME
-void hostapd_mgmt_rx(struct hostapd_data *hapd, u8 *buf, size_t len,
- u16 stype, struct hostapd_frame_info *fi)
+struct hostapd_data * hostapd_sta_get_bss(struct hostapd_data *hapd,
+ const u8 *addr)
{
- ieee802_11_mgmt(hapd, buf, len, stype, fi);
+ struct hostapd_iface *iface = hapd->iface;
+ size_t j;
+
+ for (j = 0; j < iface->num_bss; j++) {
+ hapd = iface->bss[j];
+ if (ap_get_sta(hapd, addr))
+ return hapd;
+ }
+
+ return NULL;
+}
+
+
+#ifdef HOSTAPD
+
+#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_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;
+ }
}
-void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
- u16 stype, int ok)
+#define HAPD_BROADCAST ((struct hostapd_data *) -1)
+
+static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
+ const u8 *bssid)
{
+ size_t i;
+
+ if (bssid == NULL)
+ return NULL;
+ if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
+ bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
+ return HAPD_BROADCAST;
+
+ for (i = 0; i < iface->num_bss; i++) {
+ if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
+ return iface->bss[i];
+ }
+
+ return NULL;
+}
+
+
+static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
+ const struct ieee80211_hdr *hdr,
+ size_t len)
+{
+ hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
+ if (hapd == NULL || hapd == HAPD_BROADCAST)
+ return;
+
+ ieee802_11_rx_from_unknown(hapd, hdr->addr2);
+}
+
+
+static void hostapd_mgmt_rx(struct hostapd_data *hapd, u8 *buf,
+ size_t len, struct hostapd_frame_info *fi)
+{
+ struct hostapd_iface *iface = hapd->iface;
+ struct ieee80211_hdr *hdr;
+ const u8 *bssid;
+
+ hdr = (struct ieee80211_hdr *) buf;
+ bssid = get_hdr_bssid(hdr, len);
+ if (bssid == NULL)
+ return;
+
+ hapd = get_hapd_bssid(iface, bssid);
+ if (hapd == NULL) {
+ u16 fc;
+ fc = le_to_host16(hdr->frame_control);
+
+ /*
+ * Drop frames to unknown BSSIDs except for Beacon frames which
+ * could be used to update neighbor information.
+ */
+ if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+ WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
+ hapd = iface->bss[0];
+ else
+ return;
+ }
+
+ if (hapd == HAPD_BROADCAST) {
+ size_t i;
+ for (i = 0; i < iface->num_bss; i++)
+ ieee802_11_mgmt(iface->bss[i], buf, len, fi);
+ } else
+ ieee802_11_mgmt(hapd, buf, len, fi);
+}
+
+
+static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
+ size_t len, u16 stype, int ok)
+{
+ struct ieee80211_hdr *hdr;
+ hdr = (struct ieee80211_hdr *) buf;
+ hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
+ if (hapd == NULL || hapd == HAPD_BROADCAST)
+ return;
ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
}
-#endif /* NEED_MLME */
+#endif /* NEED_AP_MLME */
+
+
+void wpa_supplicant_event(void *ctx, wpa_event_type event,
+ union wpa_event_data *data)
+{
+ struct hostapd_data *hapd = ctx;
+
+ switch (event) {
+ case EVENT_MICHAEL_MIC_FAILURE:
+ michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
+ break;
+ case EVENT_SCAN_RESULTS:
+ if (hapd->iface->scan_cb)
+ hapd->iface->scan_cb(hapd->iface);
+ break;
+#ifdef CONFIG_IEEE80211R
+ case EVENT_FT_RRB_RX:
+ wpa_ft_rrb_rx(hapd->wpa_auth, data->ft_rrb_rx.src,
+ data->ft_rrb_rx.data, data->ft_rrb_rx.data_len);
+ break;
+#endif /* CONFIG_IEEE80211R */
+ case EVENT_WPS_BUTTON_PUSHED:
+ hostapd_wps_button_pushed(hapd);
+ break;
+#ifdef NEED_AP_MLME
+ case EVENT_TX_STATUS:
+ switch (data->tx_status.type) {
+ case WLAN_FC_TYPE_MGMT:
+ hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
+ data->tx_status.data_len,
+ data->tx_status.stype,
+ data->tx_status.ack);
+ break;
+ case WLAN_FC_TYPE_DATA:
+ hostapd_tx_status(hapd, data->tx_status.dst,
+ data->tx_status.data,
+ data->tx_status.data_len,
+ data->tx_status.ack);
+ break;
+ }
+ break;
+ case EVENT_RX_FROM_UNKNOWN:
+ hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.hdr,
+ data->rx_from_unknown.len);
+ break;
+ case EVENT_RX_MGMT:
+ hostapd_mgmt_rx(hapd, data->rx_mgmt.frame,
+ data->rx_mgmt.frame_len, data->rx_mgmt.fi);
+ break;
+#endif /* NEED_AP_MLME */
+ default:
+ wpa_printf(MSG_DEBUG, "Unknown event %d", event);
+ break;
+ }
+}
+
+#endif /* HOSTAPD */
-void hostapd_michael_mic_failure(struct hostapd_data *hapd, const u8 *addr)
+
+void hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa,
+ const u8 *ie, size_t ie_len)
{
- michael_mic_failure(hapd, addr, 1);
+ 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);
}
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