#include "driver_i.h"
#include "ieee802_11.h"
#include "radius/radius.h"
-#include "sta_flags.h"
#include "sta_info.h"
#include "accounting.h"
#include "tkip_countermeasures.h"
#include "wps_hostapd.h"
-struct prune_data {
- struct hostapd_data *hapd;
- const u8 *addr;
-};
-
-static int prune_associations(struct hostapd_iface *iface, void *ctx)
-{
- struct prune_data *data = ctx;
- struct sta_info *osta;
- struct hostapd_data *ohapd;
- size_t j;
-
- for (j = 0; j < iface->num_bss; j++) {
- ohapd = iface->bss[j];
- if (ohapd == data->hapd)
- continue;
- osta = ap_get_sta(ohapd, data->addr);
- if (!osta)
- continue;
-
- ap_sta_disassociate(ohapd, osta, WLAN_REASON_UNSPECIFIED);
- }
-
- return 0;
-}
-
-/**
- * hostapd_prune_associations - Remove extraneous associations
- * @hapd: Pointer to BSS data for the most recent association
- * @sta: Pointer to the associated STA data
- *
- * This function looks through all radios and BSS's for previous
- * (stale) associations of STA. If any are found they are removed.
- */
-static void hostapd_prune_associations(struct hostapd_data *hapd,
- struct sta_info *sta)
-{
- struct prune_data data;
- data.hapd = hapd;
- data.addr = sta->addr;
- hostapd_for_each_interface(prune_associations, &data);
-}
-
-
-/**
- * hostapd_new_assoc_sta - Notify that a new station associated with the AP
- * @hapd: Pointer to BSS data
- * @sta: Pointer to the associated STA data
- * @reassoc: 1 to indicate this was a re-association; 0 = first association
- *
- * This function will be called whenever a station associates with the AP. It
- * can be called from ieee802_11.c for drivers that export MLME to hostapd and
- * from driver_*.c for drivers that take care of management frames (IEEE 802.11
- * authentication and association) internally.
- */
-void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
- int reassoc)
-{
- if (hapd->tkip_countermeasures) {
- hostapd_sta_deauth(hapd, sta->addr,
- WLAN_REASON_MICHAEL_MIC_FAILURE);
- return;
- }
-
- hostapd_prune_associations(hapd, sta);
-
- /* IEEE 802.11F (IAPP) */
- if (hapd->conf->ieee802_11f)
- iapp_new_station(hapd->iapp, sta);
-
- /* Start accounting here, if IEEE 802.1X and WPA are not used.
- * IEEE 802.1X/WPA code will start accounting after the station has
- * been authorized. */
- 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) {
- if (sta->auth_alg != WLAN_AUTH_FT &&
- !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)))
- wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH);
- } else
- wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm);
-}
-
-
-void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
- const u8 *buf, size_t len, int ack)
-{
- struct sta_info *sta;
- struct hostapd_iface *iface = hapd->iface;
-
- sta = ap_get_sta(hapd, addr);
- if (sta == NULL && iface->num_bss > 1) {
- size_t j;
- for (j = 0; j < iface->num_bss; j++) {
- hapd = iface->bss[j];
- sta = ap_get_sta(hapd, addr);
- if (sta)
- break;
- }
- }
- if (sta == NULL)
- return;
- if (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;
- }
-
- ieee802_1x_tx_status(hapd, sta, buf, len, ack);
-}
-
-
-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;
- }
-}
-
-
-#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;
-}
-
-
-void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
- const struct ieee80211_hdr *hdr, size_t len)
-{
- struct sta_info *sta;
- const u8 *addr;
-
- hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
- if (hapd == NULL || hapd == HAPD_BROADCAST)
- return;
-
- addr = hdr->addr2;
- 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);
- }
-}
-
-
int hostapd_notif_new_sta(struct hostapd_data *hapd, const u8 *addr)
{
struct sta_info *sta = ap_get_sta(hapd, addr);
}
+struct hostapd_data * hostapd_sta_get_bss(struct hostapd_data *hapd,
+ const u8 *addr)
+{
+ 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
-void hostapd_mgmt_rx(struct hostapd_data *hapd, u8 *buf, size_t len,
- u16 stype, struct hostapd_frame_info *fi)
+
+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,
+ 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)
+{
+ u16 fc = le_to_host16(hdr->frame_control);
+ 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,
+ (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
+ (WLAN_FC_TODS | WLAN_FC_FROMDS));
+}
+
+
+static void hostapd_mgmt_rx(struct hostapd_data *hapd, const u8 *buf,
+ size_t len, struct hostapd_frame_info *fi)
{
struct hostapd_iface *iface = hapd->iface;
- struct ieee80211_hdr *hdr;
+ const struct ieee80211_hdr *hdr;
const u8 *bssid;
- hdr = (struct ieee80211_hdr *) buf;
+ hdr = (const struct ieee80211_hdr *) buf;
bssid = get_hdr_bssid(hdr, len);
if (bssid == NULL)
return;
if (hapd == HAPD_BROADCAST) {
size_t i;
for (i = 0; i < iface->num_bss; i++)
- ieee802_11_mgmt(iface->bss[i], buf, len, stype, fi);
+ ieee802_11_mgmt(iface->bss[i], buf, len, fi);
} else
- ieee802_11_mgmt(hapd, buf, len, stype, fi);
+ ieee802_11_mgmt(hapd, buf, len, fi);
}
-void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
- u16 stype, int ok)
+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;
return;
ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
}
-#endif /* NEED_AP_MLME */
-
-
-void hostapd_michael_mic_failure(struct hostapd_data *hapd, const u8 *addr)
-{
- michael_mic_failure(hapd, addr, 1);
-}
-
-
-struct hostapd_data * hostapd_sta_get_bss(struct hostapd_data *hapd,
- const u8 *addr)
-{
- 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;
-}
+#endif /* NEED_AP_MLME */
-#ifndef CONFIG_AP
void wpa_supplicant_event(void *ctx, wpa_event_type event,
union wpa_event_data *data)
{
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 /* CONFIG_AP */
+
+#endif /* HOSTAPD */
void hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa,
hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
sa, ie, ie_len);
}
-
-
-void hostapd_button_pushed(struct hostapd_data *hapd)
-{
- hostapd_wps_button_pushed(hapd);
-}
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