mirror of
https://github.com/WhatCD/Gazelle.git
synced 2024-12-13 10:56:26 +00:00
86 lines
2.5 KiB
PHP
86 lines
2.5 KiB
PHP
<?
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//TODO: Move to somewhere more appropriate, doesn't really belong under users, tools maybe but we don't have that page publicly accessible.
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if (isset($_GET['ip']) && isset($_GET['port'])) {
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$Octets = explode(".", $_GET['ip']);
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if (
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empty($_GET['ip']) ||
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!preg_match('/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/', $_GET['ip']) ||
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$Octets[0] < 0 ||
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$Octets[0] > 255 ||
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$Octets[1] < 0 ||
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$Octets[1] > 255 ||
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$Octets[2] < 0 ||
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$Octets[2] > 255 ||
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$Octets[3] < 0 ||
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$Octets[3] > 255 ||
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/*
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* Per RFC 1918, the following CIDR blocks should never be found on the public Internet.
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* 10.0.0.0/8
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* 172.16.0.0/12
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* 192.168.0.0/16
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*
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* Per RFC 3330, the block 127.0.0.0/8 should never appear on any network.
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*
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*/
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$Octets[0] == 127 ||
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$Octets[0] == 10 ||
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($Octets[0] == 172 && ((16 <= $Octets[1]) && ($Octets[1] <= 31))) ||
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($Octets[0] == 192 && $Octets[1] == 168)
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) {
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die('Invalid IPv4 address');
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}
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// Valid port numbers are defined in RFC 1700
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if (empty($_GET['port']) || !is_number($_GET['port']) || $_GET['port'] < 1 || $_GET['port'] > 65535) {
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die('Invalid port');
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}
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// Error suppression, ugh.
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if (@fsockopen($_GET['ip'], $_GET['port'], $Errno, $Errstr, 20)) {
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die('Port '.$_GET['port'].' on '.$_GET['ip'].' connected successfully.');
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} else {
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die('Port '.$_GET['port'].' on '.$_GET['ip'].' failed to connect.');
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}
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}
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View::show_header('Connectability Checker');
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?>
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<div class="thin">
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<div class="header">
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<h2><a href="user.php?id=<?=$LoggedUser['ID']?>"><?=$LoggedUser['Username']?></a> > Connectability Checker</h2>
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</div>
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<form class="manage_form" name="connections" action="javascript:check_ip();" method="get">
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<table class="layout">
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<tr>
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<td class="label">IP address</td>
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<td>
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<input type="text" id="ip" name="ip" value="<?=$_SERVER['REMOTE_ADDR']?>" size="20" />
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</td>
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<td class="label">Port</td>
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<td>
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<input type="text" id="port" name="port" size="10" />
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</td>
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<td>
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<input type="submit" value="Check" />
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</td>
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</tr>
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</table>
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</form>
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<div id="result" class="box pad"></div>
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</div>
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<script type="text/javascript">//<![CDATA[
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var result = $('#result').raw();
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function check_ip() {
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var intervalid = setInterval("result.innerHTML += '.';",999);
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result.innerHTML = 'Checking.';
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ajax.get('user.php?action=connchecker&ip=' + $('#ip').raw().value + '&port=' + $('#port').raw().value, function (response) {
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clearInterval(intervalid);
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result.innerHTML = response;
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});
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}
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//]]>
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</script>
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<? View::show_footer(); ?>
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