DGNum/hostapd
6
0
Fork 0
Code Issues Pull requests 1 Projects Releases Packages Wiki Activity Actions

MBO: Always accept BTM request with disassociation imminent bit set

Browse source 
According to Multiband Operation specification (r17, section 3.5.2),
a BSS Transition Management Request with the disassociation imminent
bit set should always be accepted.

This is enforced in case the request did not include a candidate list.
However, in case a candidate list was included but none of the APs in
the candidate list was found in the scan results, the request is
rejected.

Fix that by always accepting a request with the disassociation imminent
bit set even if no roaming candidate was found.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
This commit is contained in:
Avraham Stern 2024-04-29 13:51:52 +02:00 committed by Jouni Malinen
parent 020f20a222
commit f4a9cb96d6
1 changed files with 10 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
wpa_supplicant/wnm_sta.c
View file

@ -1221,11 +1221,19 @@ int wnm_scan_process(struct wpa_supplicant *wpa_s, bool pre_scan_check)
return 1;
send_bss_resp_fail:
/* Send reject response for all the failures */
if (wpa_s->wnm_reply) {
/* If disassoc imminent is set, we must not reject */
if (wpa_s->wnm_mode &
(WNM_BSS_TM_REQ_DISASSOC_IMMINENT |
WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT)) {
wpa_printf(MSG_DEBUG,
"WNM: Accept BTM request because disassociation imminent bit is set");
status = WNM_BSS_TM_ACCEPT;
}
if (wpa_s->wnm_reply)
wnm_send_bss_transition_mgmt_resp(wpa_s, status, reason,
0, NULL);
}
wnm_btm_reset(wpa_s);