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<?php
class MyOpenWrtUtils {
public static function getRoutingTable($table = null) {
$arguments = ['route-show'];
if ($table)
$arguments[] = $table;
return self::toList(self::run($arguments));
}
public static function getRoutingRules() {
return self::toList(self::run(['rule-show']));
}
public static function ipsetList($set_name) {
return self::toList(self::run(['ipset-list', $set_name]));
}
public static function ipsetListAll() {
global $config;
$args = ['ipset-list-all'];
$args = array_merge($args, array_keys($config['modems']));
$lines = self::toList(self::run($args));
$sets = [];
$cur_set = null;
foreach ($lines as $line) {
if (startsWith($line, '>')) {
$cur_set = substr($line, 1);
if (!isset($sets[$cur_set]))
$sets[$cur_set] = [];
continue;
}
if (is_null($cur_set)) {
debugError(__METHOD__.': cur_set is not set');
continue;
}
$sets[$cur_set][] = $line;
}
return $sets;
}
public static function ipsetAdd($set_name, $ip) {
return self::run(['ipset-add', $set_name, $ip]);
}
public static function ipsetDel($set_name, $ip) {
return self::run(['ipset-del', $set_name, $ip]);
}
public static function getDHCPLeases() {
$list = self::toList(self::run(['dhcp-leases']));
$list = array_map('self::toDHCPLease', $list);
return $list;
}
//
// http functions
//
private static function run(array $arguments) {
$url = self::getLink($arguments);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$body = curl_exec($ch);
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if ($code != 200)
throw new Exception(__METHOD__.': http code '.$code);
curl_close($ch);
return trim($body);
}
private static function getLink($arguments) {
global $config;
$url = 'http://'.$config['openwrt_ip'].'/cgi-bin/luci/command/cfg099944';
if (!empty($arguments)) {
$arguments = array_map(function($arg) {
$arg = str_replace('/', '_', $arg);
return urlencode($arg);
}, $arguments);
$arguments = implode('%20', $arguments);
$url .= '/';
$url .= $arguments;
}
// debugLog($url);
return $url;
}
//
// parsing functions
//
private static function toList(string $s): array {
if ($s == '')
return [];
return explode("\n", $s);
}
private static function toDHCPLease(string $s): array {
$words = explode(' ', $s);
$time = array_shift($words);
$mac = array_shift($words);
$ip = array_shift($words);
array_pop($words);
$hostname = trim(implode(' ', $words));
if (!$hostname || $hostname == '*')
$hostname = '?';
return [
'time' => $time,
'time_s' => date('d M, H:i:s', $time),
'mac' => $mac,
'ip' => $ip,
'hostname' => $hostname
];
}
}
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