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move generate_ipv6_from_mac into services.inc (single usage)

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Ad Schellevis 2015-03-31 12:52:44 +00:00
parent e089afda06
commit 96f8a78c4b
1 changed files with 32 additions and 0 deletions
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32
src/etc/inc/services.inc
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@ -28,6 +28,38 @@
*/
require_once("globals.inc");
function generate_ipv6_from_mac($mac) {
$elements = explode(":", $mac);
if(count($elements) <> 6)
return false;
$i = 0;
$ipv6 = "fe80::";
foreach($elements as $byte) {
if($i == 0) {
$hexadecimal = substr($byte, 1, 2);
$bitmap = base_convert($hexadecimal, 16, 2);
$bitmap = str_pad($bitmap, 4, "0", STR_PAD_LEFT);
$bitmap = substr($bitmap, 0, 2) ."1". substr($bitmap, 3,4);
$byte = substr($byte, 0, 1) . base_convert($bitmap, 2, 16);
}
$ipv6 .= $byte;
if($i == 1) {
$ipv6 .= ":";
}
if($i == 3) {
$ipv6 .= ":";
}
if($i == 2) {
$ipv6 .= "ff:fe";
}
$i++;
}
return $ipv6;
}
/* implement ipv6 route advertising deamon */
function services_radvd_configure($blacklist = array())
{