Fix issue

Reviewed-on: #4

tg_server/tg_server.lua

@@ -31,25 +31,22 @@ end
 local function validate_key(card_holder, card_clearance, random_chars)
     local card_hash = hash(card_holder..','..card_clearance..','..random_chars)
     local key_file = fs.open(dir..config.key_file, 'r')
-    local card_authentic = false
 
     while true do
         local trusted_hash = key_file.readLine()
         if trusted_hash == card_hash then
             print("Valid card "..card_hash)
-            card_authentic = true
+            key_file.close()
             return true, card_hash
         end
-        if not line then break end -- Stop when EOF reached
+        if not trusted_hash then break end -- Stop when EOF reached
     end
 
     key_file.close()
     
-    if card_authentic == false then
     print("Unknown card "..card_hash)
     return false
 end
-end
 
 if args[1] == "serve" then
     rednet.open(config.modem_side)
@@ -115,15 +112,17 @@ elseif args[1] == "add_card" then
         local new_card = args[2]
         local new_card_parts = split(new_card, ',')
         local card_holder = new_card_parts[1]
+        local card_hash = hash(new_card)
 
-        local key_file = fs.open(card_holder..'.key', 'w')
+        local key_file = fs.open(card_hash..'.key', 'w')
-        key_file.write(new_card)
+        key_file.write(new_card..'\n')
         key_file.close()
 
         local trusted_keys = fs.open(dir..config.key_file, 'a')
-        local card_hash = hash(new_card)
         trusted_keys.write(card_hash)
         trusted_keys.close()
+
+        print("Created key "..card_hash..".key in root dir")
     end
 elseif args[1] == "remove_card" then
     if args[2] then
@@ -134,6 +133,8 @@ elseif args[1] == "remove_card" then
             local trusted_hash = trusted_keys.readLine()
             if trusted_hash ~= key_hash then
                 table.insert(new_key_table, trusted_hash)
+            else
+                print("Removed "..key_hash)
             end
             if not trusted_hash then break end -- Stop when EOF reached
         end