1 |
092462dc
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smos
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<?php
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$leases_file = "/var/dhcpd/var/db/dhcpd6.leases";
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4 |
7d61beba
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Phil Davis
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if (!file_exists($leases_file)) {
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5 |
8dfb0c00
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smos
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exit(1);
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}
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7 |
092462dc
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smos
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8 |
74fe0ef9
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Ermal LUÇI
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$fd = fopen($leases_file, 'r');
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2abfec49
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Renato Botelho
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$duid_arr = array();
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74fe0ef9
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Ermal LUÇI
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while (( $line = fgets($fd, 4096)) !== false) {
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12 |
092462dc
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smos
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// echo "$line";
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7d61beba
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Phil Davis
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if (preg_match("/^(ia-[np][ad])[ ]+\"(.*?)\"/i", $line, $duidmatch)) {
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14 |
092462dc
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smos
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$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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20 |
7d61beba
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Phil Davis
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if (preg_match("/binding state active/i", $line, $activematch)) {
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21 |
092462dc
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smos
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$active = true;
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continue;
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}
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25 |
7d61beba
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Phil Davis
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if (preg_match("/iaaddr[ ]+([0-9a-f:]+)[ ]+/i", $line, $addressmatch)) {
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26 |
092462dc
|
smos
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$ia_na = $addressmatch[1];
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continue;
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}
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30 |
7d61beba
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Phil Davis
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if (preg_match("/iaprefix[ ]+([0-9a-f:\/]+)[ ]+/i", $line, $prefixmatch)) {
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31 |
092462dc
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smos
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$ia_pd = $prefixmatch[1];
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continue;
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}
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/* closing bracket */
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36 |
7d61beba
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Phil Davis
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if (preg_match("/^}/i", $line)) {
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switch ($type) {
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38 |
092462dc
|
smos
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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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53 |
74fe0ef9
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Ermal LUÇI
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fclose($fd);
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54 |
092462dc
|
smos
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$routes = array();
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foreach ($duid_arr as $entry) {
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57 |
7d61beba
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Phil Davis
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if (!empty($entry['ia-pd'])) {
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58 |
092462dc
|
smos
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$routes[$entry['ia-na']] = $entry['ia-pd'];
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}
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}
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// echo "add routes\n";
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63 |
7d61beba
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Phil Davis
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if (count($routes) > 0) {
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64 |
69b6c2b5
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smos
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foreach ($routes as $address => $prefix) {
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echo "/sbin/route change -inet6 {$prefix} {$address}\n";
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}
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67 |
092462dc
|
smos
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}
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/* get clog from dhcpd */
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$dhcpdlogfile = "/var/log/dhcpd.log";
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$expires = array();
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72 |
7d61beba
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Phil Davis
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if (file_exists($dhcpdlogfile)) {
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73 |
74fe0ef9
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Ermal LUÇI
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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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76 |
7d61beba
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Phil Davis
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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], $routes)) {
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78 |
74fe0ef9
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Ermal LUÇI
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continue;
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79 |
7d61beba
|
Phil Davis
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}
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80 |
74fe0ef9
|
Ermal LUÇI
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$expires[$expire[1]] = $expire[1];
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}
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82 |
092462dc
|
smos
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}
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83 |
74fe0ef9
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Ermal LUÇI
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pclose($fd);
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84 |
092462dc
|
smos
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}
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// echo "remove routes\n";
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87 |
7d61beba
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Phil Davis
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if (count($expires) > 0) {
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88 |
69b6c2b5
|
smos
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foreach ($expires as $prefix) {
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echo "/sbin/route delete -inet6 {$prefix['prefix']}\n";
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}
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91 |
092462dc
|
smos
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}
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?>
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