mirror of
https://github.com/pfsense/pfsense.git
synced 2025-10-26 11:38:35 +00:00
93 lines
1.9 KiB
PHP
93 lines
1.9 KiB
PHP
<?php
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$leases_file = "/var/dhcpd/var/db/dhcpd6.leases";
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if(!file_exists($leases_file)) {
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exit(1);
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}
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$fd = fopen($leases_file, 'r');
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$duid_arr = array();
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while (( $line = fgets($fd, 4096)) !== false) {
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// echo "$line";
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if(preg_match("/^(ia-[np][ad])[ ]+\"(.*?)\"/i", $line, $duidmatch)) {
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$type = $duidmatch[1];
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$duid = $duidmatch[2];
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continue;
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}
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/* is it active? otherwise just discard */
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if(preg_match("/binding state active/i", $line, $activematch)) {
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$active = true;
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continue;
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}
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if(preg_match("/iaaddr[ ]+([0-9a-f:]+)[ ]+/i", $line, $addressmatch)) {
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$ia_na = $addressmatch[1];
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continue;
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}
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if(preg_match("/iaprefix[ ]+([0-9a-f:\/]+)[ ]+/i", $line, $prefixmatch)) {
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$ia_pd = $prefixmatch[1];
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continue;
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}
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/* closing bracket */
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if(preg_match("/^}/i", $line)) {
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switch($type) {
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case "ia-na":
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$duid_arr[$duid][$type] = $ia_na;
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break;
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case "ia-pd":
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$duid_arr[$duid][$type] = $ia_pd;
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break;
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}
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unset($type);
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unset($duid);
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unset($active);
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unset($ia_na);
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unset($ia_pd);
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continue;
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}
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}
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fclose($fd);
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$routes = array();
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foreach ($duid_arr as $entry) {
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if(!empty($entry['ia-pd'])) {
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$routes[$entry['ia-na']] = $entry['ia-pd'];
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}
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}
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// echo "add routes\n";
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if(count($routes) > 0) {
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foreach ($routes as $address => $prefix) {
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echo "/sbin/route change -inet6 {$prefix} {$address}\n";
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}
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}
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/* get clog from dhcpd */
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$dhcpdlogfile = "/var/log/dhcpd.log";
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$expires = array();
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if(file_exists($dhcpdlogfile)) {
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$fd = popen("clog $dhcpdlogfile", 'r');
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while (($line = fgets($fd)) !== false) {
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//echo $line;
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if(preg_match("/releases[ ]+prefix[ ]+([0-9a-f:]+\/[0-9]+)/i", $line, $expire)) {
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if(in_array($expire[1], $routes))
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continue;
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$expires[$expire[1]] = $expire[1];
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}
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}
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pclose($fd);
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}
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// echo "remove routes\n";
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if(count($expires) > 0) {
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foreach ($expires as $prefix) {
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echo "/sbin/route delete -inet6 {$prefix['prefix']}\n";
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}
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}
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?>
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