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Disallow virtual IP addresses withing the range Ticket #50

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This commit is contained in:
sullrich 2009-12-02 19:59:34 -05:00
parent a2c8cd51dc
commit 2c75b451be
1 changed files with 9 additions and 4 deletions
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13
usr/local/www/services_dhcp.php
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@ -222,15 +222,20 @@ if ($_POST) {
$input_errors[] = "A valid IP address must be specified for the TFTP server.";
if (($_POST['nextserver'] && !is_ipaddr($_POST['nextserver'])))
$input_errors[] = "A valid IP address must be specified for the network boot server.";
if(gen_subnet($ifcfgip, $ifcfgsn) == $_POST['range_from'])
$input_errors[] = "You cannot use the network address in the starting subnet range.";
if(gen_subnet_max($ifcfgip, $ifcfgsn) == $_POST['range_to'])
$input_errors[] = "You cannot use the broadcast address in the ending subnet range.";
//if(is_inrange($ifcfgip, $_POST['range_from'], $_POST['range_to']))
// $input_errors[] = "Address range includes the interface IP $ifcfgip.";
// Disallow a range that includes the virtualip
foreach($config['virtualip']['vip'] as $vip) {
if(strtoupper($vip['interface']) == strtoupper($if))
if($vip['subnet'])
if(is_inrange($vip['subnet'], $_POST['range_from'], $_POST['range_to']))
$input_errors[] = "The virtual IP address {$vip['subnet']} falls within the subnet range.";
}
if (!$input_errors) {
/* make sure the range lies within the current subnet */
$subnet_start = (ip2long($ifcfgip) & gen_subnet_mask_long($ifcfgsn));