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MFP: Add SA Query Request processing in AP mode

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Jouni Malinen 2010-03-29 14:05:25 -07:00 committed by Jouni Malinen
parent b91ab76e8c
commit 358c3691cf
1 changed files with 45 additions and 0 deletions
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45
src/ap/ieee802_11.c
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@ -1192,6 +1192,46 @@ void ieee802_11_send_sa_query_req(struct hostapd_data *hapd,
}
static void hostapd_sa_query_request(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt)
{
struct sta_info *sta;
struct ieee80211_mgmt resp;
u8 *end;
wpa_printf(MSG_DEBUG, "IEEE 802.11: Received SA Query Request from "
MACSTR, MAC2STR(mgmt->sa));
wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID",
mgmt->u.action.u.sa_query_resp.trans_id,
WLAN_SA_QUERY_TR_ID_LEN);
sta = ap_get_sta(hapd, mgmt->sa);
if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) {
wpa_printf(MSG_DEBUG, "IEEE 802.11: Ignore SA Query Request "
"from unassociated STA " MACSTR, MAC2STR(mgmt->sa));
return;
}
wpa_printf(MSG_DEBUG, "IEEE 802.11: Sending SA Query Response to "
MACSTR, MAC2STR(mgmt->sa));
os_memset(&resp, 0, sizeof(resp));
resp.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_ACTION);
os_memcpy(resp.da, mgmt->sa, ETH_ALEN);
os_memcpy(resp.sa, hapd->own_addr, ETH_ALEN);
os_memcpy(resp.bssid, hapd->own_addr, ETH_ALEN);
resp.u.action.category = WLAN_ACTION_SA_QUERY;
resp.u.action.u.sa_query_req.action = WLAN_SA_QUERY_RESPONSE;
os_memcpy(resp.u.action.u.sa_query_req.trans_id,
mgmt->u.action.u.sa_query_req.trans_id,
WLAN_SA_QUERY_TR_ID_LEN);
end = resp.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN;
if (hapd->drv.send_mgmt_frame(hapd, &resp, end - (u8 *) &resp) < 0)
perror("hostapd_sa_query_request: send");
}
static void hostapd_sa_query_action(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt,
size_t len)
@ -1208,6 +1248,11 @@ static void hostapd_sa_query_action(struct hostapd_data *hapd,
return;
}
if (mgmt->u.action.u.sa_query_resp.action == WLAN_SA_QUERY_REQUEST) {
hostapd_sa_query_request(hapd, mgmt);
return;
}
if (mgmt->u.action.u.sa_query_resp.action != WLAN_SA_QUERY_RESPONSE) {
wpa_printf(MSG_DEBUG, "IEEE 802.11: Unexpected SA Query "
"Action %d", mgmt->u.action.u.sa_query_resp.action);