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Skip DNS server processing if the requested type is not available for this server (#1970)

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Signed-off-by: DL6ER <dl6er@dl6er.de>
This commit is contained in:
DL6ER
2021-11-21 09:25:45 +01:00
committed by GitHub
parent 14cd279099
commit 21cba361e0
1 changed files with 13 additions and 4 deletions
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17
scripts/pi-hole/php/savesettings.php
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@@ -209,10 +209,19 @@ function addStaticDHCPLease($mac, $ip, $hostname) {
{
foreach(["v4_1", "v4_2", "v6_1", "v6_2"] as $type)
{
if(@array_key_exists("DNSserver".str_replace(".","_",$value[$type]),$_POST))
{
array_push($DNSservers,$value[$type]);
}
// Skip if this IP type does not
// exist (e.g. IPv4-only or only
// one IPv6 address upstream
// server)
if(!array_key_exists($type, $value))
continue;
// If server exists and is set
// (POST), we add it to the
// array of DNS servers
$server = str_replace(".", "_", $value[$type]);
if(array_key_exists("DNSserver".$server, $_POST))
array_push($DNSservers, $value[$type]);
}
}