Ask for domain first and only complain if vpn files are not available

src/freedombone-mesh-connect

@@ -157,20 +157,10 @@ function mesh_setup_vpn {
     fi
 }
 
-function connect_to_vpn {
-    dialog --title $"VPN Connect to another mesh network" \
-           --backtitle $"Freedombone Mesh" \
-           --defaultno \
-           --yesno $"\nHave you received the vpn.tar.gz file from the other mesh administrator, uncompressed it into the /home/fbone directory and also forwarded port $VPN_MESH_TLS_PORT from your internet router to this system?" 10 70
-    sel=$?
-    case $sel in
-        1) return;;
-        255) return;;
-    esac
-
+function connect_to_mesh {
     data=$(tempfile 2>/dev/null)
     trap "rm -f $data" 0 1 2 5 15
-    dialog --title $"VPN Connect to another mesh network" \
+    dialog --title $"Connect to another mesh network" \
            --backtitle $"Freedombone Mesh" \
            --inputbox $'Enter the IP address or domain name of the other mesh.' 10 60 2>$data
     sel=$?
@@ -180,15 +170,20 @@ function connect_to_vpn {
             if [ ${#ip_or_domain} -gt 1 ]; then
                 if [[ "$ip_or_domain" == *'.'* ]]; then
 
+                    connect_failed=
                     if [ ! -f ~/client.ovpn ]; then
-                        rm $data
-                        exit 1
+                        connect_failed=1
                     fi
                     if [ ! -f ~/stunnel.pem ]; then
-                        rm $data
-                        exit 1
+                        connect_failed=1
                     fi
                     if [ ! -f ~/stunnel.p12 ]; then
+                        connect_failed=1
+                    fi
+
+                    if [ $connect_failed ]; then
+                        dialog --title $"Connect to another mesh network" \
+                               --msgbox $"\nObtain the vpn.tar.gz file from the other mesh administrator, uncompress it into the /home/fbone directory and also forwarded port $VPN_MESH_TLS_PORT from your internet router to this system." 10 50
                         rm $data
                         exit 1
                     fi
@@ -221,7 +216,7 @@ case $sel in
 esac
 case $(cat $data) in
     1) rm $data
-       connect_to_vpn;;
+       connect_to_mesh;;
     2) rm $data
        mesh_setup_vpn;;
 esac