uqmi: inherit firewall zone membership to virtual sub interfaces

Fix an issue where subinterfaces were not added to the same
firewall zone as their parent.

Fixes: FS#2122
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>

package/network/utils/comgt/files/ncm.sh

@@ -146,12 +146,18 @@ proto_ncm_setup() {
 	proto_close_data
 	proto_send_update "$interface"
 
+	local zone="$(fw3 -q network "$interface" 2>/dev/null)"
+
 	[ "$pdptype" = "IP" -o "$pdptype" = "IPV4V6" ] && {
 		json_init
 		json_add_string name "${interface}_4"
 		json_add_string ifname "@$interface"
 		json_add_string proto "dhcp"
 		proto_add_dynamic_defaults
+		[ -n "$zone" ] && {
+			json_add_string zone "$zone"
+		}
+		json_close_object
 		ubus call network add_dynamic "$(json_dump)"
 	}
 
@@ -162,6 +168,10 @@ proto_ncm_setup() {
 		json_add_string proto "dhcpv6"
 		json_add_string extendprefix 1
 		proto_add_dynamic_defaults
+		[ -n "$zone" ] && {
+			json_add_string zone "$zone"
+		}
+		json_close_object
 		ubus call network add_dynamic "$(json_dump)"
 	}
 

package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh

@@ -298,6 +298,9 @@ proto_qmi_setup() {
 	}
 	proto_close_data
 	proto_send_update "$interface"
+
+	local zone="$(fw3 -q network "$interface" 2>/dev/null)"
+
 	[ -n "$pdh_6" ] && {
 		if [ -z "$dhcpv6" -o "$dhcpv6" = 0 ]; then
 			json_load "$(uqmi -s -d $device --set-client-id wds,$cid_6 --get-current-settings)"
@@ -318,6 +321,11 @@ proto_qmi_setup() {
 				proto_add_dns_server "$dns1_6"
 				proto_add_dns_server "$dns2_6"
 			}
+			[ -n "$zone" ] && {
+		        	proto_add_data
+        			json_add_string zone "$zone"
+			        proto_close_data
+			}
 			proto_send_update "$interface"
 		else
 			json_init
@@ -328,6 +336,7 @@ proto_qmi_setup() {
 			proto_add_dynamic_defaults
 			# RFC 7278: Extend an IPv6 /64 Prefix to LAN
 			json_add_string extendprefix 1
+			[ -n "$zone" ] && json_add_string zone "$zone"
 			json_close_object
 			ubus call network add_dynamic "$(json_dump)"
 		fi
@@ -340,6 +349,7 @@ proto_qmi_setup() {
 		json_add_string proto "dhcp"
 		[ -n "$ip4table" ] && json_add_string ip4table "$ip4table"
 		proto_add_dynamic_defaults
+		[ -n "$zone" ] && json_add_string zone "$zone"
 		json_close_object
 		ubus call network add_dynamic "$(json_dump)"
 	}