hostapd: add additional radius options

- add functionality to configure RADIUS NAS-Id and Operator-Name
- add functionality to configure RADIUS accounting interval
- enable RADIUS "Chargeable User Identity"

Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry-picked from commit 3bd6c8c728)

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

@@ -338,6 +338,10 @@ hostapd_common_add_bss_config() {
 	config_add_boolean multicast_to_unicast per_sta_vif
 
 	config_add_array hostapd_bss_options
+
+	config_add_boolean request_cui
+	config_add_array radius_auth_req_attr
+	config_add_array radius_acct_req_attr
 }
 
 hostapd_set_vlan_file() {
@@ -474,6 +478,14 @@ append_hs20_conn_capab() {
 	[ -n "$1" ] && append bss_conf "hs20_conn_capab=$1" "$N"
 }
 
+append_radius_acct_req_attr() {
+	append bss_conf "radius_acct_req_attr=$1" "$N"
+}
+
+append_radius_auth_req_attr() {
+	append bss_conf "radius_auth_req_attr=$1" "$N"
+}
+
 append_airtime_sta_weight() {
 	[ -n "$1" ] && append bss_conf "airtime_sta_weight=$1" "$N"
 }
@@ -565,6 +577,7 @@ hostapd_set_bss_options() {
 			append bss_conf "acct_server_shared_secret=$acct_secret" "$N"
 		[ -n "$acct_interval" ] && \
 			append bss_conf "radius_acct_interim_interval=$acct_interval" "$N"
+		json_for_each_item append_radius_acct_req_attr radius_acct_req_attr
 	}
 
 	case "$auth_type" in
@@ -619,7 +632,7 @@ hostapd_set_bss_options() {
 				auth_server auth_secret auth_port \
 				dae_client dae_secret dae_port \
 				ownip radius_client_addr \
-				eap_reauth_period
+				eap_reauth_period request_cui
 
 			# radius can provide VLAN ID for clients
 			vlan_possible=1
@@ -631,18 +644,20 @@ hostapd_set_bss_options() {
 
 			set_default auth_port 1812
 			set_default dae_port 3799
-
+			set_default request_cui 0
 
 			append bss_conf "auth_server_addr=$auth_server" "$N"
 			append bss_conf "auth_server_port=$auth_port" "$N"
 			append bss_conf "auth_server_shared_secret=$auth_secret" "$N"
 
+			[ "$request_cui" -gt 0 ] && append bss_conf "radius_request_cui=$request_cui" "$N"
 			[ -n "$eap_reauth_period" ] && append bss_conf "eap_reauth_period=$eap_reauth_period" "$N"
 
 			[ -n "$dae_client" -a -n "$dae_secret" ] && {
 				append bss_conf "radius_das_port=$dae_port" "$N"
 				append bss_conf "radius_das_client=$dae_client $dae_secret" "$N"
 			}
+			json_for_each_item append_radius_auth_req_attr radius_auth_req_attr
 
 			[ -n "$ownip" ] && append bss_conf "own_ip_addr=$ownip" "$N"
 			[ -n "$radius_client_addr" ] && append bss_conf "radius_client_addr=$radius_client_addr" "$N"