phpSMSWhois

#!/usr/bin/php -q
// read from stdin
$fd = fopen("php://stdin", "r");
$email = "";
while (!feof($fd)) {
$email .= fread($fd, 1024);
}
fclose($fd);

// handle email

$lines = explode("\n", $email);

// empty vars

$from = "";
$subject = "";
$headers = "";
$message = "";
$splittingheaders = true;

for ($i=0; $i < count($lines); $i++) {
if ($splittingheaders) {
// this is a header
$headers .= $lines[$i]."\n";
// look out for special headers
if (preg_match("/^Subject: (.*)/", $lines[$i], $matches)) {
$subject = $matches[1];
}
if (preg_match("/^From: (.*)/", $lines[$i], $matches)) {
$from = $matches[1];
}
} else {
// not a header, but message
$message .= $lines[$i]."\n";
}

if (trim($lines[$i])=="") {
// empty line, header section has ended
$splittingheaders = false;
}
}

function checkDomain($domain,$server,$findText){
// Open a socket connection to the whois server
$con = fsockopen($server, 43);
if (!$con) return false;

// Send the requested doman name
fputs($con, $domain."\r\n");

// Read and store the server response
$response = ' :';
while(!feof($con)) {
$response .= fgets($con,128);
}

// Close the connection
fclose($con);

// Check the response stream whether the domain is available
if (strpos($response, $findText)){
return "available";
}
else {
return "unavailable";
}
}

$status = checkDomain("$message",'whois.crsnic.net','No match for');

$to = "$from";
$subject = "phpSMSWhois";
$body = "$message is $status";
$headers = "From: phpsmswhois@patrickg.net\r\n";
$headers .= "Reply-To: phpsmswhois@patrickg.net\r\n";
$headers .= "Return-Path: phpsmswhois@patrickg.net\r\n";
mail($to, $subject, $body, $headers);

?>