function build_ipv6interface_list()
{
global $config, $section;
$list = array('' => '');
$interfaces = get_configured_interface_with_descr(false, true);
$dynv6ifs = array();
foreach ($interfaces as $iface => $ifacename) {
switch ($config['interfaces'][$iface]['ipaddrv6']) {
case "6to4":
case "6rd":
case "dhcp6":
$dynv6ifs[$iface] = array('name' => $ifacename, 'ipv6_num_prefix_ids' => pow(2, calculate_ipv6_delegation_length($iface)) - 1);
break;
default:
continue;
}
}
foreach ($dynv6ifs as $iface => $ifacedata) {
$list[$iface] = $ifacedata['name'];
$section->addInput(new Form_Input('ipv6-num-prefix-ids-' . $iface, null, 'hidden', $ifacedata['ipv6_num_prefix_ids']));
}
return $list;
}
<tr>
<td width="22%" valign="top" class="vncell"><?php
echo gettext("IPv6 Interface");
?>
</td>
<td width="78%" class="vtable">
<select name="track6-interface" id='track6-interface' class='formselect' onchange="update_track6_prefix();">
<?php
$interfaces = get_configured_interface_with_descr(false, true);
$dynv6ifs = array();
foreach ($interfaces as $iface => $ifacename) {
switch ($config['interfaces'][$iface]['ipaddrv6']) {
case "6to4":
case "6rd":
case "dhcp6":
$dynv6ifs[$iface] = array('name' => $ifacename, 'ipv6_num_prefix_ids' => pow(2, calculate_ipv6_delegation_length($iface)) - 1);
break;
default:
continue;
}
}
$rowIndex = 0;
foreach ($dynv6ifs as $iface => $ifacedata) {
$rowIndex++;
echo "<option value=\"{$iface}\"";
if ($iface == $pconfig['track6-interface']) {
echo " selected=\"selected\"";
}
echo ">" . htmlspecialchars($ifacedata['name']) . "</option>";
}
if ($rowIndex == 0) {
$toapplylist = unserialize(file_get_contents('/tmp/.interfaces.apply'));
} else {
$toapplylist = array();
}
$toapplylist[$if]['ifcfg'] = $wancfg;
$toapplylist[$if]['ppps'] = $a_ppps;
/* we need to be able remove IP aliases for IPv6 */
file_put_contents('/tmp/.interfaces.apply', serialize($toapplylist));
header("Location: interfaces.php?if={$if}");
exit;
} else {
if ($_POST) {
unset($input_errors);
$pconfig = $_POST;
if (isset($_POST['track6-interface'])) {
$ipv6_delegation_length = calculate_ipv6_delegation_length($_POST['track6-interface']);
$ipv6_num_prefix_ids = pow(2, $ipv6_delegation_length);
}
if (is_numeric("0x" . $_POST['track6-prefix-id--hex'])) {
$pconfig['track6-prefix-id'] = intval($_POST['track6-prefix-id--hex'], 16);
} else {
$pconfig['track6-prefix-id'] = 0;
}
/* filter out spaces from descriptions */
$_POST['descr'] = remove_bad_chars($_POST['descr']);
/* okay first of all, cause we are just hiding the PPPoE HTML
* fields releated to PPPoE resets, we are going to unset $_POST
* vars, if the reset feature should not be used. Otherwise the
* data validation procedure below, may trigger a false error
* message.
*/
if (empty($pconfig['track6-prefix-id'])) {
$pconfig['track6-prefix-id'] = 0;
}
$track6_prefix_id_hex = !empty($pconfig['track6-prefix-id--hex']) ? $pconfig['track6-prefix-id--hex'] : sprintf("%x", $pconfig['track6-prefix-id']);
?>
<input name="track6-prefix-id--hex" type="text" id="track6-prefix-id--hex" value="<?php
echo $track6_prefix_id_hex;
?>
" />
<div class="hidden" for="help_for_track6-prefix-id">
<?php
echo gettext("The value in this field is the (Delegated) IPv6 prefix id. This determines the configurable network ID based on the dynamic IPv6 connection");
?>
<br />
<?php
echo sprintf(gettext("Enter a hexadecimal value between %x and %x here, default value is 0."), 0, pow(2, calculate_ipv6_delegation_length($pconfig['track6-interface'])) - 1);
?>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<?php
/* Wireless interface? */
if (isset($a_interfaces[$if]['wireless'])) {
?>
<!-- Section : Wireless -->
<div class="tab-content content-box col-xs-12 __mb">
<div class="table-responsive">
<br>
<?php
echo gettext("This selects the dynamic IPv6 WAN interface to track for configuration");
?>
<br />
</td>
</tr>
<tr>
<td width="22%" valign="top" class="vncell"><?php
echo gettext("IPv6 Prefix ID");
?>
</td>
<td width="78%" class="vtable">
<select name="track6-prefix-id" class="formselect" id="track6-prefix-id">
<?php
$pdlen = calculate_ipv6_delegation_length($pconfig['track6-interface']);
$numbers = pow(2, $pdlen);
if ($pconfig['track6-prefix-id'] == "none") {
$selected = "selected";
}
echo "<option value=\"none\" {$selected}>" . gettext("None") . "</option>\n";
$choices = array();
for ($i = 0; $i < $numbers; $i++) {
if ("{$i}" == $pconfig['track6-prefix-id']) {
$selected = "selected";
} else {
$selected = "";
}
$choices[] = sprintf("<option value=\"%d\" {$selected}>%0x</option>", $i, $i);
}
echo implode("\n", $choices);
