Return values

src/freedombone-config

 
   if [ ! -f $REMOTE_SERVERS_LIST ]; then
       dialog --title "Encryption keys" --msgbox 'Error obtaining server list' 6 70
-      echo "1"
-      return
+      return 1
   fi
 
   # check the number of entries in the file
   no_of_servers=$(cat $REMOTE_SERVERS_LIST | wc -l)
   if [[ ${no_of_servers} < 3 ]]; then
       dialog --title "Encryption keys" --msgbox 'There must be at least three servers to recover the key' 6 70
-      echo "2"
-      return
+      return 2
   fi
 
   # try to recover the key from the servers
   freedombone-recoverkey -u $MY_USERNAME -l $REMOTE_SERVERS_LIST
   if [ ! "$?" = "0" ]; then
       dialog --title "Encryption keys" --msgbox 'Your key could not be recovered' 6 70
-      echo "3"
-      return
+      return 3
   fi
 
   dialog --title "Encryption keys" --msgbox 'Your key has been recovered' 6 70
 
-  echo '0'
+  return 0
 }
 
 function interactive_gpg_from_usb {
           3 "Retrieve keys from friends servers" off 2> $data
       sel=$?
       case $sel in
-          1) exit 123;;
-          255) exit 234;;
+          1) exit 1;;
+          255) exit 2;;
       esac
       case $(cat $data) in
           1) return;;