From a7796bec1be01b51f400e9a3a698535b12b636aa Mon Sep 17 00:00:00 2001
From: Marius Burkard <m.burkard@pixcept.de>
Date: Thu, 11 Feb 2016 13:44:27 -0500
Subject: [PATCH] Merge branch 'stable-3.1'

---
 interface/lib/classes/validate_dns.inc.php |   35 +++++++++++++++++++++++++++++++++--
 1 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/interface/lib/classes/validate_dns.inc.php b/interface/lib/classes/validate_dns.inc.php
index 99ff6c5..4875928 100644
--- a/interface/lib/classes/validate_dns.inc.php
+++ b/interface/lib/classes/validate_dns.inc.php
@@ -104,7 +104,7 @@
 		}
 
 		if(substr($field, -1) == '.' && $area == 'Name'){
-			$soa = $app->db->queryOneRecord("SELECT * FROM soa WHERE id = ".$zoneid);
+			$soa = $app->db->queryOneRecord("SELECT * FROM soa WHERE id = ?", $zoneid);
 			if(substr($field, (strlen($field) - strlen($soa['origin']))) != $soa['origin']) $error .= $desc." ".$app->tform->wordbook['error_out_of_zone']."<br>\r\n";
 		}
 
@@ -267,7 +267,7 @@
 		global $app, $conf;
 
 		// increase serial
-		$serial_date = substr($serial, 0, 8);
+		$serial_date = $app->functions->intval(substr($serial, 0, 8));
 		$count = $app->functions->intval(substr($serial, 8, 2));
 		$current_date = date("Ymd");
 		if($serial_date >= $current_date){
@@ -283,5 +283,36 @@
 		}
 		return $new_serial;
 	}
+	
+	function validate_xfer($field_name, $field_value, $validator) {
+		global $app;
+		
+		$errorMessage = '';
+		
+		if($validator['allowempty'] != 'y') $validator['allowempty'] = 'n';
+		if($validator['allowempty'] == 'y' && $field_value == '') {
+			//* Do nothing
+		} elseif ($field_value == 'any') {
+			//* Do nothing
+		} else {
+			//* Check if its a IPv4 or IPv6 address
+			if(isset($validator['separator']) && $validator['separator'] != '') {
+				//* When the field may contain several IP addresses, split them by the char defined as separator
+				$field_value_array = explode($validator['separator'], $field_value);
+			} else {
+				$field_value_array[] = $field_value;
+			}
+			foreach($field_value_array as $field_value) {
+				$field_value = trim($field_value);
+				if(function_exists('filter_var')) {
+						if(!filter_var($field_value, FILTER_VALIDATE_IP)) {
+						$errmsg = $validator['errmsg'];
+						$errorMessage .= $app->tform->lng($errmsg)."<br />\r\n";
+					}
+				} else $this->errorMessage .= "function filter_var missing <br />\r\n";
+			}
+		}
+		return $errorMessage;
+	}
 
 }

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