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a guest May 16th, 2018 103 Never
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  1. local modem = peripheral.wrap("back");
  2. local HOSTNAME = "portable"
  3. local PROTOCOL = "taffle"
  4. local CHANNEL = 1;
  5. modem.open(CHANNEL);
  6. function send_message (recipient, channel, command, content)
  7.     modem.transmit(channel, 1, {protocol=PROTOCOL, recipient=recipient, from=HOSTNAME, command=command, content=content})
  8. end
  9. send_message("taffle", 1, "LOADSTRING", "print(\"hello\"")
  10. while 1 do
  11.     local event, modemSide, senderChannel,
  12.         replyChannel, message, senderDistance = os.pullEvent("modem_message")
  13.        
  14.        
  15.     if type(message) == "table" and type(message.protocol) == "string" and message.protocol == "taffle" then
  16.         if HOSTNAME == message.recipient then
  17.        
  18.        
  19.             if message.command == "LOADSTRING" then
  20.                 local succ,res = pcall(loadstring, message.content)
  21.                 if succ then
  22.                     setfenv(res, getfenv())
  23.                     pcall(res)
  24.                    
  25.                 else
  26.                     send_message(message.from, replyChannel, "WRITE_STDOUT", "LOADSTRING_ERR: " .. res)
  27.                 end
  28.             end
  29.            
  30.            
  31.             if message.command == "WRITE_STDOUT" then
  32.                 print(message.from .. "@" .. protocol .. "#" .. replyChannel .. ": " .. message.content)
  33.             end
  34.            
  35.            
  36.         else
  37.             print("Different hostname, ignoring...");
  38.         end
  39.     else
  40.         modem.transmit(replyChannel, 1, HOSTNAME .. "@" .. PROTOCOL .. "#" .. CHANNEL .. ":" .. ERR_MALFORMED_MESSAGE)
  41.     end
  42. end
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