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ap: allow no group traffic on GET_KEY error 

Some fullmac cards were found to be buggy with getting the GTK
where it returns a BIP key for the GTK index, even after creating
a GTK with NEW_KEY explicitly. In an effort to get these cards
semi-working we can treat this just as a warning and continue with
the handshake without a GTK set which disables group traffic. A
warning is printed in this case so the user is not completely in
the dark.
This commit is contained in:
James Prestwood 2021-01-28 10:33:52 -08:00 committed by Denis Kenzior
parent a04b61ec77
commit 7429b2162d
1 changed files with 10 additions and 2 deletions
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12
src/ap.c
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@ -790,10 +790,18 @@ static void ap_gtk_query_cb(struct l_genl_msg *msg, void *user_data)
sta->gtk_query_cmd_id = 0;
gtk_rsc = nl80211_parse_get_key_seq(msg);
if (!gtk_rsc)
if (l_genl_msg_get_error(msg) < 0)
goto error;
gtk_rsc = nl80211_parse_get_key_seq(msg);
if (!gtk_rsc) {
/* Try allowing connection with no group traffic */
l_warn("Failed to get GTK. This may be a driver/FW issue, "
"disabling group traffic");
ap_start_rsna(sta, NULL);
return;
}
ap_start_rsna(sta, gtk_rsc);
return;