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system: protect mac call

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This commit is contained in:
Franco Fichtner 2018-12-09 06:20:36 +01:00
parent 216e05c2ee
commit 83f66de6ed
1 changed files with 5 additions and 3 deletions
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8
src/www/system_advanced_network.php
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@ -37,9 +37,11 @@ require_once("system.inc");
function get_mac_address()
{
$ip = getenv('REMOTE_ADDR');
$mac = `/usr/sbin/arp -an | grep {$ip} | cut -d" " -f4`;
$mac = str_replace("\n","",$mac);
return $mac;
$macs = array();
exec(exec_safe('/usr/sbin/arp -an | grep %s | awk \'{ print $4 }\'', $ip), $macs);
return !empty($macs[0]) ? $macs[0] : '';
}
function generate_new_duid($duid_type)