luci/applications/luci-app-wifischedule/root/usr/share/rpcd/acl.d/luci-app-wifischedule.json

{
	"luci-app-wifischedule": {
		"description": "Grant UCI access for luci-app-wifischedule",
		"read": {
			"uci": [ "wifi_schedule" ],
			"file": {
				"/usr/bin/iwinfo": [ "stat" ],
				"/usr/bin/wifi_schedule.sh": ["exec"],
				"/sbin/wifi": ["stat"]
			}
		},
		"write": {
			"uci": [ "wifi_schedule" ]
		}
	}
}