$input_errors[] = sprintf(gettext('The IPv6 gateway "%1$s" can not be specified for IPv4 DNS server "%2$s".'), $_POST[$dnsgwname], $_POST[$dnsname]);
}
if (is_ipaddrv6($_POST[$dnsname]) && validate_address_family($_POST[$dnsname], $_POST[$dnsgwname]) === false) {
$input_errors[] = sprintf(gettext('The IPv4 gateway "%1$s" can not be specified for IPv6 DNS server "%2$s".'), $_POST[$dnsgwname], $_POST[$dnsname]);
}
} else {
// The user selected a gateway but did not provide a DNS address. Be nice and set the gateway back to "none".
$ignore_posted_dnsgw[$dnsgwname] = true;
}
}
}
}
if (count(array_filter($dnslist)) != count(array_unique(array_filter($dnslist)))) {
$input_errors[] = gettext('Each configured DNS server must have a unique IP address. Remove the duplicated IP.');
}
$direct_networks_list = explode(" ", filter_get_direct_networks_list());
for ($dnscounter = 1; $dnscounter < 5; $dnscounter++) {
$dnsitem = "dns{$dnscounter}";
$dnsgwitem = "dns{$dnscounter}gw";
if ($_POST[$dnsgwitem]) {
if (interface_has_gateway($_POST[$dnsgwitem])) {
foreach ($direct_networks_list as $direct_network) {
if (ip_in_subnet($_POST[$dnsitem], $direct_network)) {
$input_errors[] = sprintf(gettext("A gateway can not be assigned to DNS '%s' server which is on a directly connected network."), $_POST[$dnsitem]);
}
}
}
}
}
# it's easy to have a little too much whitespace in the field, clean it up for the user before processing.
$_POST['timeservers'] = preg_replace('/[[:blank:]]+/', ' ', $_POST['timeservers']);
// A real gateway has been selected.
if (is_ipaddr($pconfig[$dnsname])) {
if (is_ipaddrv4($pconfig[$dnsname]) && validate_address_family($pconfig[$dnsname], $pconfig[$dnsgwname]) === false) {
$input_errors[] = gettext("You can not specify IPv6 gateway '{$pconfig[$dnsgwname]}' for IPv4 DNS server '{$pconfig[$dnsname]}'");
}
if (is_ipaddrv6($pconfig[$dnsname]) && validate_address_family($pconfig[$dnsname], $pconfig[$dnsgwname]) === false) {
$input_errors[] = gettext("You can not specify IPv4 gateway '{$pconfig[$dnsgwname]}' for IPv6 DNS server '{$pconfig[$dnsname]}'");
}
} else {
// The user selected a gateway but did not provide a DNS address. Be nice and set the gateway back to "none".
$ignore_posted_dnsgw[$dnsgwname] = true;
}
}
}
/* XXX cranky low-level call, please refactor */
$direct_networks_list = explode(' ', filter_get_direct_networks_list(filter_generate_optcfg_array()));
for ($dnscounter = 1; $dnscounter < 5; $dnscounter++) {
$dnsitem = "dns{$dnscounter}";
$dnsgwitem = "dns{$dnscounter}gw";
if (!empty($pconfig[$dnsgwitem])) {
if (interface_has_gateway($pconfig[$dnsgwitem])) {
foreach ($direct_networks_list as $direct_network) {
if (ip_in_subnet($_POST[$dnsitem], $direct_network)) {
$input_errors[] = sprintf(gettext("You can not assign a gateway to DNS '%s' server which is on a directly connected network."), $pconfig[$dnsitem]);
}
}
}
}
}
# it's easy to have a little too much whitespace in the field, clean it up for the user before processing.
$pconfig['timeservers'] = preg_replace('/[[:blank:]]+/', ' ', $pconfig['timeservers']);
