From: Avraham Stern <avraham.stern@xxxxxxxxx>
Verify that when the Candidate List Included bit is set in a BSS Transition
Management request, the candidate list actually includes at least one candidate.
If no candidates are included, reject the request without scanning.
Signed-off-by: Avraham Stern <avraham.stern@xxxxxxxxx>
---
wpa_supplicant/wnm_sta.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/wpa_supplicant/wnm_sta.c b/wpa_supplicant/wnm_sta.c
index b8f717e..b6d8f60 100644
--- a/wpa_supplicant/wnm_sta.c
+++ b/wpa_supplicant/wnm_sta.c
@@ -1120,6 +1120,17 @@ static void ieee802_11_rx_bss_trans_mgmt_req(struct wpa_supplicant *wpa_s,
pos += len;
}
+
+ if (!wpa_s->wnm_num_neighbor_report) {
+ wpa_printf(MSG_DEBUG,
+ "WNM: Candidate list included bit is set, but no candidates found");
+ wnm_send_bss_transition_mgmt_resp(wpa_s,
+ wpa_s->wnm_dialog_token,
+ WNM_BSS_TM_REJECT_NO_SUITABLE_CANDIDATES,
+ 0, NULL);
+ return;
+ }
+
wnm_sort_cand_list(wpa_s);
wnm_dump_cand_list(wpa_s);
valid_ms = valid_int * beacon_int * 128 / 125;
--
1.9.1
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