Commit eb1177f6 authored by Marius Cramer's avatar Marius Cramer

Merge branch 'master' into 'master'

Master

See merge request !221
parents 8a77a74e 2df8c0b8
......@@ -186,7 +186,8 @@ class functions {
global $app;
if($type == 'IPv4'){
$regex = "/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/";
// $regex = "/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/";
$regex = "/^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/";
} else {
// IPv6
$regex = "/^(\:\:([a-f0-9]{1,4}\:){0,6}?[a-f0-9]{0,4}|[a-f0-9]{1,4}(\:[a-f0-9]{1,4}){0,6}?\:\:|[a-f0-9]{1,4}(\:[a-f0-9]{1,4}){1,6}?\:\:([a-f0-9]{1,4}\:){1,6}?[a-f0-9]{1,4})(\/\d{1,3})?$/i";
......
......@@ -1058,11 +1058,10 @@ class tform_base {
}
break;
case 'ISIPV4':
$vip=1;
if(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $field_value)){
// if(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $field_value)){
if(preg_match("/^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/", $field_value)){
$groups=explode(".", $field_value);
foreach($groups as $group){
if($group<0 or $group>255)
......@@ -1078,6 +1077,7 @@ class tform_base {
}
}
break;
case 'ISIP':
if($validator['allowempty'] != 'y') $validator['allowempty'] = 'n';
if($validator['allowempty'] == 'y' && $field_value == '') {
......@@ -1107,7 +1107,8 @@ class tform_base {
if(preg_match("/^(\:\:([a-f0-9]{1,4}\:){0,6}?[a-f0-9]{0,4}|[a-f0-9]{1,4}(\:[a-f0-9]{1,4}){0,6}?\:\:|[a-f0-9]{1,4}(\:[a-f0-9]{1,4}){1,6}?\:\:([a-f0-9]{1,4}\:){1,6}?[a-f0-9]{1,4})(\/\d{1,3})?$/i", $field_value)){
$ip_ok = 1;
}
if(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $field_value)){
// if(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $field_value)){
if(preg_match("/^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/", $field_value)){
$ip_ok = 1;
}
if($ip_ok == 0) {
......
......@@ -44,7 +44,8 @@ class validate_database {
$cur_value = trim($cur_value);
$valid = true;
if(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $cur_value)) {
// if(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $cur_value)) {
if(preg_match("/^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/", $cur_value)) {
$groups = explode(".", $cur_value);
foreach($groups as $group){
if($group<0 or $group>255)
......
......@@ -315,7 +315,8 @@ class validate_dns {
if(preg_match("/^(\:\:([a-f0-9]{1,4}\:){0,6}?[a-f0-9]{0,4}|[a-f0-9]{1,4}(\:[a-f0-9]{1,4}){0,6}?\:\:|[a-f0-9]{1,4}(\:[a-f0-9]{1,4}){1,6}?\:\:([a-f0-9]{1,4}\:){1,6}?[a-f0-9]{1,4})(\/\d{1,3})?$/i", $field_value)){
$ip_ok = 1;
}
if(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $field_value)){
// if(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $field_value)){
if(preg_match("/^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/", $field_value)){
$ip_ok = 1;
}
if($ip_ok == 0) {
......
......@@ -28,8 +28,8 @@ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
$form["title"] = "IP Addresse mapping";
$form["description"] = "";
$form["title"] = "IPv4 Address mapping";
$form["description"] = "Form to map IPv4-addresses for Web-Server";
$form["name"] = "server_ip_map";
$form["action"] = "server_ip_map_edit.php";
$form["db_table"] = "server_ip_map";
......
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Aktiv';
$wb["ip_error_wrong"] = 'Die neue IP ist ungueltig';
$wb["destination_ip_empty"] = 'Die neue IP ist leer.';
$wb["source_ip_empty"] = 'Die eigentliche IP ist leer.';
$wb["server_empty_error"] = 'Der Server ist leer.';
$wb["duplicate_mapping_error"] = "Mapping existiert bereits.";
$wb["duplicate_mapping_error"] = "Die eigentliche IP darf keine IP des Rewrite-Servers sein.";
$wb["ip_mapping_error"] = "Die eigentliche IP darf keine IP des Rewrite-Servers sein.";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -6,6 +6,7 @@ $wb["active_txt"] = 'Active';
$wb["ip_error_wrong"] = 'The Destination IP address is invalid';
$wb["destination_ip_empty"] = 'The Destination IP is empty.';
$wb["source_ip_empty"] = 'The Source IP is empty.';
$wb["server_empty_error"] = 'The Server is empty.';
$wb["duplicate_mapping_error"] = "Mapping already exists.";
$wb["duplicate_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
$wb["ip_mapping_error"] = "Source IP can not be an IP of the Rewrite-Server";
?>
......@@ -42,7 +42,7 @@ $items[] = array( 'title' => 'Server IP addresses',
'link' => 'admin/server_ip_list.php',
'html_id' => 'server_ip_list');
$items[] = array( 'title' => 'Server IP mapping',
$items[] = array( 'title' => 'Server IPv4 mapping',
'target' => 'content',
'link' => 'admin/server_ip_map_list.php',
'html_id' => 'server_ip_map_list');
......
......@@ -59,7 +59,7 @@ class page_action extends tform_actions {
$app->tpl->setVar('server_id', $server_select);
// ip-list
$sql = "SELECT server_ip.server_ip_id, server_ip.ip_address AS ip_address, server.server_name, CONCAT(server_ip.ip_address,' :: [', server.server_name, ']') AS source FROM server_ip, server WHERE (server_ip.server_id = server.server_id AND server.web_server =1 AND mirror_server_id = 0 AND virtualhost = 'y')";
$sql = "SELECT server_ip.server_ip_id, server_ip.ip_address AS ip_address, server.server_name, CONCAT(server_ip.ip_address,' :: [', server.server_name, ']') AS source FROM server_ip, server WHERE (server_ip.server_id = server.server_id AND server.web_server =1 AND mirror_server_id = 0 AND virtualhost = 'y' AND IP_TYPE = 'IPv4')";
$ips = $app->db->queryAllRecords($sql);
$ip_select = "<option value=''></option>";
if(is_array($ips)) {
......@@ -77,9 +77,11 @@ class page_action extends tform_actions {
function onBeforeInsert() {
global $app;
if($this->dataRecord['server_id']=='') $app->tform->errorMessage .= $app->tform->wordbook['server_empty_error'];
$sql = "SELECT * FROM server_ip WHERE server_id = ? and ip_address = ?";
$ip_check=$app->db->queryOneRecord($sql, $this->dataRecord['server_id'], $this->dataRecord['source_ip']);
if (is_array($ip_check)) $app->tform->errorMessage .= $app->tform->wordbook['duplicate_mapping_error'];
if (is_array($ip_check)) $app->tform->errorMessage .= $app->tform->wordbook['ip_mapping_error'];
$sql = 'SELECT count(*) as no FROM server_ip_map WHERE server_id = ? AND source_ip = ? AND destination_ip = ?';
$check = $app->db->queryOneRecord($sql, $this->dataRecord['server_id'], $this->dataRecord['source_ip'], $this->dataRecord['destination_ip']);
......@@ -88,9 +90,12 @@ class page_action extends tform_actions {
function onBeforeUpdate() {
global $app;
if($this->dataRecord['server_id']=='') $app->tform->errorMessage .= $app->tform->wordbook['server_empty_error'];
$sql = "SELECT * FROM server_ip WHERE server_id = ? and ip_address = ?";
$ip_check=$app->db->queryOneRecord($sql, $this->dataRecord['server_id'], $this->dataRecord['source_ip']);
if (is_array($ip_check)) $app->tform->errorMessage .= $app->tform->wordbook['duplicate_mapping_error'];
if (is_array($ip_check)) $app->tform->errorMessage .= $app->tform->wordbook['ip_mapping_error'];
$this->oldDataRecord = $app->tform->getDataRecord($this->id);
if ($this->dataRecord['source_ip'] != $this->oldDataRecord['source_ip'] || $this->dataRecord['destination_ip'] != $this->oldDataRecord['destination_ip']) {
......
......@@ -230,7 +230,8 @@ class functions {
global $app;
if($type == 'IPv4'){
$regex = "/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/";
// $regex = "/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/";
$regex = "/^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/";
} else {
// IPv6
$regex = "/^(\:\:([a-f0-9]{1,4}\:){0,6}?[a-f0-9]{0,4}|[a-f0-9]{1,4}(\:[a-f0-9]{1,4}){0,6}?\:\:|[a-f0-9]{1,4}(\:[a-f0-9]{1,4}){1,6}?\:\:([a-f0-9]{1,4}\:){1,6}?[a-f0-9]{1,4})(\/\d{1,3})?$/i";
......
......@@ -101,7 +101,8 @@ class mysql_clientdb_plugin {
$valid = true;
if($db_host == '%' || $db_host == 'localhost') {
$valid = true;
} elseif(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $db_host)) {
// } elseif(preg_match("/^[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}(\.)[0-9]{1,3}$/", $db_host)) {
} elseif(preg_match("/^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/", $db_host)) {
$groups = explode('.', $db_host);
foreach($groups as $group){
if($group<0 or $group>255)
......
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