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Fix already-associated detection with driver-based BSS selection

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wpa_s->pending_bssid is all zeros during connection attempt when
driver-based BSS selection is used. Take this into account when
determining whether new scan results should trigger a connection based
on wpa_s->current_ssid, i.e., a connection attempt with the selected
network instead of selected BSS.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2013-05-21 19:34:00 +03:00 committed by Jouni Malinen
parent 72728c6fa8
commit b06800170a
1 changed files with 18 additions and 10 deletions
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26
wpa_supplicant/events.c
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@ -926,6 +926,15 @@ int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
return -1; return -1;
} }
wpa_msg(wpa_s, MSG_DEBUG,
"Considering connect request: reassociate: %d selected: "
MACSTR " bssid: " MACSTR " pending: " MACSTR
" wpa_state: %s ssid=%p current_ssid=%p",
wpa_s->reassociate, MAC2STR(selected->bssid),
MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
wpa_supplicant_state_txt(wpa_s->wpa_state),
ssid, wpa_s->current_ssid);
/* /*
* Do not trigger new association unless the BSSID has changed or if * Do not trigger new association unless the BSSID has changed or if
* reassociation is requested. If we are in process of associating with * reassociation is requested. If we are in process of associating with
@ -935,22 +944,21 @@ int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
(os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 && (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
((wpa_s->wpa_state != WPA_ASSOCIATING && ((wpa_s->wpa_state != WPA_ASSOCIATING &&
wpa_s->wpa_state != WPA_AUTHENTICATING) || wpa_s->wpa_state != WPA_AUTHENTICATING) ||
(!is_zero_ether_addr(wpa_s->pending_bssid) &&
os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) != os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
0))) { 0) ||
(is_zero_ether_addr(wpa_s->pending_bssid) &&
ssid != wpa_s->current_ssid)))) {
if (wpa_supplicant_scard_init(wpa_s, ssid)) { if (wpa_supplicant_scard_init(wpa_s, ssid)) {
wpa_supplicant_req_new_scan(wpa_s, 10, 0); wpa_supplicant_req_new_scan(wpa_s, 10, 0);
return 0; return 0;
} }
wpa_msg(wpa_s, MSG_DEBUG, "Request association: " wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
"reassociate: %d selected: "MACSTR " bssid: " MACSTR MAC2STR(selected->bssid));
" pending: " MACSTR " wpa_state: %s",
wpa_s->reassociate, MAC2STR(selected->bssid),
MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
wpa_supplicant_state_txt(wpa_s->wpa_state));
wpa_supplicant_associate(wpa_s, selected, ssid); wpa_supplicant_associate(wpa_s, selected, ssid);
} else { } else {
wpa_dbg(wpa_s, MSG_DEBUG, "Already associated with the " wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
"selected AP"); "connect with the selected AP");
} }
return 0; return 0;