FS#769 - DNS Zone - Duplicate entry

Author: tbrehm

interface/web/dns/dns_a_edit.php

@@ -96,6 +96,11 @@ function onSubmit() {
 			}
 		} // end if user is not admin
 
+		//* Check for duplicates where IP and hostname are the same
+		$tmp = $app->db->queryOneRecord("SELECT count(id) as number FROM dns_rr WHERE zone = '".$this->dataRecord["zone"]."' and data = '".$this->dataRecord["data"]."' and id != ".$this->id);
+		if($tmp['number'] > 0) $app->tform->errorMessage .= $app->tform->lng("data_error_duplicate")."<br>";
+		unset($tmp);
+		
 
 		// Set the server ID of the rr record to the same server ID as the parent record.
 		$this->dataRecord["server_id"] = $soa["server_id"];

interface/web/dns/lib/lang/en_dns_a.lng

@@ -12,4 +12,5 @@ $wb["name_error_empty"] = 'The hostname is empty.';
 $wb["name_error_regex"] = 'The hostname has the wrong format.';
 $wb["data_error_empty"] = 'IP-Address empty';
 $wb["data_error_regex"] = 'IP-Address format invalid';
+$wb["data_error_duplicate"] = 'Duplicate A-Record';
 ?>