exec("ifconfig -a >eth.out");

$str1='';
$str2="HWaddr";

$ff=fopen("eth.out",'r');
$str1=fgets($ff);
fclose($ff);

$mac=substr(str_replace(' ','',str_replace($str2,'',strstr($str1,$str2))),0,17);
$mac=$mac . '-64:64:64:64';
$salt='$1$e4_Z3G-x


';
$key2 = crypt($mac,$salt);

$key2=str_replace($salt,"",$key2);

$ff=fopen('avreg-v5',"w");
fputs($ff,"key_ver5_part1=".$mac."\n");
fputs($ff,"key_ver5_part2=".$key2."\n");

fclose($ff);
?>