<?php
if( isset( $_POST[ 'submit' ] ) ) {
$target = $_REQUEST["ip"];
$target = stripslashes( $target );
// Split the IP into 4 octects
$octet = explode(".", $target);
// Check IF each octet is an integer
if ((is_numeric($octet[0])) && (is_numeric($octet[1])) && (is_numeric($octet[2])) && (is_numeric($octet[3])) && (sizeof($octet) == 4) ) {
// If all 4 octets are int's put the IP back together.
$target = $octet[0].'.'.$octet[1].'.'.$octet[2].'.'.$octet[3];
// Determine OS and execute the ping command.
if (stristr(php_uname('s'), 'Windows NT')) {
$cmd = shell_exec( 'ping ' . $target );
$html .= '<pre>'.$cmd.'</pre>';
} else {
$cmd = shell_exec( 'ping -c 3 ' . $target );
$html .= '<pre>'.$cmd.'</pre>';
}
}
else {
$html .= '<pre>ERROR: You have entered an invalid IP</pre>';
}
}
?>
