hostapd: add wpa_strict_rekey support

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Rekey GTK on STA disassociate

Signed-off-by: Kyle Copperfield <kmcopper@danwin1210.me>

package/network/services/hostapd/files/hostapd.sh

@@ -185,6 +185,7 @@ hostapd_common_add_bss_config() {
 	config_add_int \
 		wep_rekey eap_reauth_period \
 		wpa_group_rekey wpa_pair_rekey wpa_master_rekey
+	config_add_boolean wpa_strict_rekey
 	config_add_boolean wpa_disable_eapol_key_retries
 
 	config_add_boolean tdls_prohibit
@@ -270,7 +271,7 @@ hostapd_set_bss_options() {
 	local wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey wpa_key_mgmt
 
 	json_get_vars \
-		wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey \
+		wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey wpa_strict_rekey \
 		wpa_disable_eapol_key_retries tdls_prohibit \
 		maxassoc max_inactivity disassoc_low_ack isolate auth_cache \
 		wps_pushbutton wps_label ext_registrar wps_pbc_in_m1 wps_ap_setup_locked \
@@ -325,6 +326,7 @@ hostapd_set_bss_options() {
 		[ -n "$wpa_group_rekey"  ] && append bss_conf "wpa_group_rekey=$wpa_group_rekey" "$N"
 		[ -n "$wpa_pair_rekey"   ] && append bss_conf "wpa_ptk_rekey=$wpa_pair_rekey"    "$N"
 		[ -n "$wpa_master_rekey" ] && append bss_conf "wpa_gmk_rekey=$wpa_master_rekey"  "$N"
+		[ -n "$wpa_strict_rekey" ] && append bss_conf "wpa_strict_rekey=$wpa_strict_rekey" "$N"
 	}
 
 	[ -n "$nasid" ] && append bss_conf "nas_identifier=$nasid" "$N"