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Merge pull request #266 from pi-hole/allowemptysecondDNSserver

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Allow empty second DNS server
This commit is contained in:
Dan Schaper
2016-12-19 11:08:12 -08:00
committed by GitHub
parent b8bd57731a 4ddadd7043
commit 02bc5b02a7
1 changed files with 9 additions and 2 deletions
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php/savesettings.php
+9 -2
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@@ -65,7 +65,14 @@ function validDomain($domain_name)
// Get secondary DNS server IP address
if($secondaryDNS === "Custom")
{
$secondaryIP = $_POST["DNS2IP"];
if(strlen($_POST["DNS2IP"]) > 0)
{
$secondaryIP = $_POST["DNS2IP"];
}
else
{
$secondaryIP = "none";
}
}
else
{
@@ -73,7 +80,7 @@ function validDomain($domain_name)
}
// Validate secondary IP
if (!validIP($secondaryIP) && strlen($secondaryIP) > 0)
if (!validIP($secondaryIP) && $secondaryIP != "none" && strlen($secondaryIP) > 0)
{
$error .= "Secondary IP (".$secondaryIP.") is invalid!<br>";
}