Synchronet: keep them SSH bots from tying up your nodes as 'new users signing up'

bot-trap.js

// In ctrl/text.dat replace the 764 StartingNewUserRegistration line with:
// "@EXEC:bot-trap@"    764 StartingNewUserRegistration
// (Or if you have no such line, just add the above to the file.)

load('sbbsdefs.js');

const bss = bbs.sys_status; // Store flags for later restoration
bbs.sys_status|=SS_PAUSEOFF; // Prevent any block pause prompt from tying up the node
const timeout = 10000; // milliseconds

console.clear(LIGHTGRAY);
console.putmsg('\1h\1wStarting the new user registration process ...\r\n'); // Original contents of text.dat record 764

if (bbs.connection == 'SSH') {
  console.mnemonics('Are you a bot? (~Y/~N)'); // Print a string with colorized hotkeys
  var s = console.inkey(K_NONE, timeout).toLowerCase(); // Wait 'timeout' ms for user input
  console.crlf();
  if (s != 'n') {
    if (s == '') {
      console.putmsg('No answer after ' + timeout + ' seconds.\r\n');
    } else if (s == 'y') {
      console.putmsg('Sorry, no bots allowed.\r\n');
    } else {
      console.putmsg('Invalid response.\r\n');
    }
    console.putmsg('Disconnecting you now ...\r\n');
    bbs.hangup();
  }
}

bbs.sys_status = bss; // Restore BBS session flags to what they were at start of script