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

   1 {
   2         "luci-app-openvpn": {
   3                 "description": "Grant file upload access to /etc/openvpn",
   4                 "write": {
   5                         "cgi-io": [ "upload" ],
   6                         "file": {
   7                                 "/etc/openvpn/*": [ "write" ]
   8                         }
   9                 }
  10         }
  11 }