server = $server; $this->port = $port; $this->sslCert = $sslCert; $this->sslKey = $sslKey; } public function connect() { $contextOptions = [ 'ssl' => [ 'local_cert' => $this->sslCert, 'local_pk' => $this->sslKey, 'allow_self_signed' => true, // Set to false in production 'verify_peer' => false, // Set to true in production 'verify_peer_name' => false, // Set to true in production ], ]; $context = stream_context_create($contextOptions); $this->connection = stream_socket_client("ssl://{$this->server}:{$this->port}", $errno, $errstr, 30, STREAM_CLIENT_CONNECT, $context); if (!$this->connection) { throw new Exception("Could not connect to EPP Server: $errstr ($errno)"); } } public function generateUniqueClTRID() { $timeComponent = microtime(true); $randomComponent = bin2hex(random_bytes(8)); return "clTRID-{$timeComponent}-{$randomComponent}"; } public function sendRequest($xml) { $length = strlen($xml) + 4; // 4 bytes for the length field itself $lengthField = pack('N', $length); // 'N' for big-endian order fwrite($this->connection, $lengthField . $xml); // Read the response return $this->readResponse(); } private function readResponse() { // Read the 4-byte length field $lengthField = fread($this->connection, 4); $unpacked = unpack('N', $lengthField); $length = reset($unpacked) - 4; // Subtract the 4 bytes of the length field // Read the message based on the length $response = ''; while ($length > 0 && !feof($this->connection)) { $part = fread($this->connection, $length); $response .= $part; $length -= strlen($part); } return $response; } public function disconnect() { fclose($this->connection); } public function login($clientId, $password) { $xmlRequest = ''.$clientId.'login-'.$this->generateUniqueClTRID().''; echo $this->sendRequest($xmlRequest); } public function logout() { $xmlRequest = 'logout-'.$this->generateUniqueClTRID().''; echo $this->sendRequest($xmlRequest); } public function testDomainCheck() { $xmlRequest = 'example.testexample.netverylongdomainnamethatisunlikelytobevalidandcausesprocessingdelays.testdomaincheck-'.$this->generateUniqueClTRID().''; echo $this->sendRequest($xmlRequest); } public function testInvalidCommand() { $xmlRequest = ''; echo $this->sendRequest($xmlRequest); } public function testInvalidExtension() { $xmlRequest = 'example.com'; echo $this->sendRequest($xmlRequest); } public function testBadXml() { $xmlRequest = 'example.com'; echo $this->sendRequest($xmlRequest); } public function testSqlInj() { $xmlRequest = "' OR '1'='1domaincheck-".$this->generateUniqueClTRID().""; echo $this->sendRequest($xmlRequest); } public function testUnusuallyFormattedCommands() { $xmlRequest = "\n\n \n \n \n example.com\n \n \n \n"; echo $this->sendRequest($xmlRequest); } public function testBoundaryValues() { $longDomainName = str_repeat("a", 255) . ".com"; // Adjust the length as needed $xmlRequest = << {$longDomainName} XML; echo $this->sendRequest($xmlRequest); } public function testRepeatedLoginLogout() { for ($i = 0; $i < 10; $i++) { // Adjust the number of iterations as needed // Replace with actual login and logout XML requests $loginRequest = "clientIDpassword"; $logoutRequest = ""; $this->sendRequest($loginRequest); $this->sendRequest($logoutRequest); } echo "Repeated Login and Logout Test Completed.\n"; } public function testMalformedUnicodeCharacters() { echo "Running Malformed Unicode Characters Test...\n"; // Example: Malformed Unicode characters in the domain name $malformedDomainName = "exämple.cöm"; // Contains unusual/malformed characters $xmlRequest = << {$malformedDomainName} XML; $response = $this->sendRequest($xmlRequest); echo "Response: " . $response . "\n"; } public function testSimulatedNetworkInstability() { echo "Running Simulated Network Instability Test...\n"; // Example: Introduce delays in sending requests for ($i = 0; $i < 5; $i++) { $xmlRequest = "example.com"; // Introducing a delay sleep(rand(1, 5)); // Delay between 1 to 5 seconds $response = $this->sendRequest($xmlRequest); echo "Response: " . $response . "\n"; } echo "Simulated Network Instability Test Completed.\n"; } public function testUnexpectedProtocolVersion() { echo "Running Unexpected Protocol Version Test...\n"; $xmlRequest = "example.com"; $response = $this->sendRequest($xmlRequest); echo "Response: " . $response . "\n"; } public function testServerOverloadWithLongDuration() { echo "Running Server Overload with Long Duration Requests Test...\n"; $startTime = time(); $duration = 60; // Run the test for 60 seconds while (time() - $startTime < $duration) { $xmlRequest = "example.com"; $response = $this->sendRequest($xmlRequest); // Optionally process the response } echo "Server Overload with Long Duration Requests Test Completed.\n"; } } class EppTest { private $client; public function __construct() { // Initialize the EPP client with your server's details $this->client = new EppClient('epp.server.com', 700, 'cert.pem', 'key.pem'); } public function runTests() { echo "Starting EPP Tests...\n"; // Connect to the EPP server $this->client->connect(); $this->client->login('clid', 'password'); // Run various tests $this->client->testDomainCheck(); $this->client->testInvalidCommand(); //$this->client->testUnusuallyFormattedCommands(); //$this->client->testInvalidExtension(); //$this->client->testBadXml(); //$this->client->testSqlInj(); //$this->client->testBoundaryValues(); //$this->client->testRepeatedLoginLogout(); //$this->client->testMalformedUnicodeCharacters(); //$this->client->testSimulatedNetworkInstability(); //$this->client->testUnexpectedProtocolVersion(); //$this->client->testServerOverloadWithLongDuration(); // Disconnect from the server $this->client->logout(); $this->client->disconnect(); echo "EPP Tests Completed.\n"; } } $test = new EppTest(); $test->runTests();