78 lines
2.1 KiB
PHP
78 lines
2.1 KiB
PHP
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<?php
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$message = "";
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if(isset($_POST['submit'])) {
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$mac = csv_filter($_POST['macaddress']);
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$name = csv_filter($_POST['name']);
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if($mac != "" && $name != null) {
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if(is_mac($mac)) {
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file_put_contents("mac_log.csv","$mac,$name\n",FILE_APPEND);
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$message = "Registered, thanks! It might take a few minutes for your name to show up.";
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}
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else {
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$message = "The MAC address doesn't look right. MAC addresses look like this: 00:1a:2b:3c:4d:5e";
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}
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}
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else {
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$message = "Please enter a MAC address and name.";
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}
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}
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function csv_filter($value) {
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return preg_replace('/[^a-z0-9:]/i','',$value);
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}
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function is_mac($mac) {
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if(preg_match('/^([0-9a-f]{2}([:-]|$)){6}$/i',$mac) > 0){
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return true;}
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else { return false; }
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}
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$arp_found = false;
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function arp_lookup($ip) {
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global $arp_found;
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$arp = shell_exec("/usr/sbin/arp -a | grep $ip");
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preg_match('/at ([0-9a-f]{2}[: ]){6}/i',$arp,$matches);
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if(sizeof($matches) > 0) {
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$mac = split(" ",$matches[0]);
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$arp_found = true;
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return $mac[1];
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}
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else {
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$arp_found = false;
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return "";
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}
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}
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include('header-inc.php');
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?>
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<span class="message">
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<?php echo $message; ?>
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</span>
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<div id="content">
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<h2>Register Your Device</h2>
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<div class="caption">
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<form method="post" action="<?php echo htmlentities($_SERVER['PHP_SELF']); ?>">
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<h3>Your computer or mobile device's MAC address can be found under your network info!</h3>
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<table>
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<tr><td><label for="name">Your Name:</label></td><td><input type="text" id="name" name="name" /></td></tr>
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<tr><td><label for="macaddress">MAC Address:</label></td><td><input type="text" id="macaddress" name="macaddress" value="<?php echo arp_lookup($_SERVER['REMOTE_ADDR']); ?>" />
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<span id="autodetect"><?php if($arp_found) { echo "(Autodetected MAC from IP address ".$_SERVER['REMOTE_ADDR'].")"; } ?></span>
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</td></tr>
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</table>
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<input type="submit" id="submit" name="submit" value="Register" />
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</form>
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</div>
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</div>
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</div>
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</body>
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</html>
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