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Add EVENT_RX_ACTION handler for hostapd

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This fixes an issue with SA Query Response frames not being processed
anymore after wpa_supplicant started registering a handler for those.
This handler registration is in generic driver_nl80211.c code, so
hostapd uses it, too.
This commit is contained in:
Jouni Malinen 2011-06-21 20:55:46 +03:00 committed by Jouni Malinen
parent 55e632df72
commit 9e2704c3a2
1 changed files with 46 additions and 0 deletions
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46
src/ap/drv_callbacks.c
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@ -396,6 +396,46 @@ static void hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
}
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);
}
static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
size_t len, u16 stype, int ok)
{
@ -530,6 +570,12 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
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;
hostapd_rx_action(hapd, &data->rx_action);
break;
default:
wpa_printf(MSG_DEBUG, "Unknown event %d", event);
break;