check for duplicate host name
This commit is contained in:
Roland Gruber
parent
2d3f584bb4
commit
bb9a1b1719
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@ -7,7 +7,7 @@ $Id$
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This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
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Copyright (C) 2008 Thomas Manninger
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2008 - 2017 Roland Gruber
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2008 - 2018 Roland Gruber
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -61,6 +61,9 @@ class fixed_ip extends baseModule {
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/** cached host entries (list of array('cn' => ..., 'iphostnumber' => ..., 'macaddress' => ...)) */
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private $hostCache = null;
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/** cache for existing host entries */
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private $existingDhcpHostsCache = null;
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/**
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* Returns true if this module can manage accounts of the current type, otherwise false.
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*
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@ -287,110 +290,111 @@ class fixed_ip extends baseModule {
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*/
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public function process_attributes() {
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$errors = array();
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if (!$this->isRootNode()) {
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$this->processed = true;
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if ($this->isRootNode()) {
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return $errors;
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}
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$this->processed = true;
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$this->reset_overlapd_ip();
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$this->reset_overlapd_ip();
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if ($this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0]!="") {
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if ($this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0]!="") {
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$error = false; // errors by process_attributes()?
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$pcs = array();
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foreach($this->fixed_ip AS $id=>$arr) {
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$error = false; // errors by process_attributes()?
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$pcs = array();
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foreach($this->fixed_ip AS $id=>$arr) {
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// Check if ip is to drop
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if (isset($_POST['drop_ip_'.$id])) {
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// Drop ip:
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unset($this->fixed_ip[$id]);
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continue;
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}
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// Check if ip is to drop
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if (isset($_POST['drop_ip_'.$id])) {
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// Drop ip:
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unset($this->fixed_ip[$id]);
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continue;
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}
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// MAC address
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$_POST['mac_'.$id] = strtolower(trim($_POST['mac_'.$id]));
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// MAC address
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$_POST['mac_'.$id] = strtolower(trim($_POST['mac_'.$id]));
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$invalid = $this->check_mac($_POST['mac_'.$id]);
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if ($invalid) {
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$invalid = $this->check_mac($_POST['mac_'.$id]);
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if ($invalid) {
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$error = true;
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}
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$this->fixed_ip[$id]['mac'] = $_POST['mac_'.$id];
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// description
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if (!get_preg($_POST['description_'.$id], 'ascii')) {
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$error = true;
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}
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$this->fixed_ip[$id]['description'] = $_POST['description_'.$id];
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// active
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$this->fixed_ip[$id]['active'] = (isset($_POST['active_' . $id]) && ($_POST['active_' . $id] == 'on'));
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// Ip address
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if (!empty($_POST['ip_'.$id])) {
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$_POST['ip_'.$id] = trim($_POST['ip_'.$id]);
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}
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if (!empty($_POST['ip_'.$id]) && !(check_ip($_POST['ip_'.$id]))) {
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$error = true;
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$this->fixed_ip[$id]['ip'] = $_POST['ip_'.$id];
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}
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elseif (!empty($_POST['ip_'.$id]) && !$this->overlapd_ip($_POST['ip_'.$id])) {
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$error = true;
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$this->fixed_ip[$id]['ip'] = $_POST['ip_'.$id];
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}
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else {
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$this->fixed_ip[$id]['ip'] = $_POST['ip_'.$id];
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}
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// Is ip correct with subnet:
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if (!empty($_POST['ip_'.$id]) && check_ip($_POST['ip_'.$id]) && !range::check_subnet_range($_POST['ip_'.$id],
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$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0],
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$this->getAccountContainer()->getAccountModule('dhcp_settings')->getDHCPOption('subnet-mask'))) {
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$error = true;
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}
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// cn:
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if (!empty($_POST['pc_'.$id])) $_POST['pc_'.$id] = trim($_POST['pc_'.$id]);
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if (!empty($_POST['pc_'.$id])) {
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// name already in use
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if (in_array($_POST['pc_'.$id], $pcs) ) {
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$error = true;
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}
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$this->fixed_ip[$id]['mac'] = $_POST['mac_'.$id];
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// description
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if (!get_preg($_POST['description_'.$id], 'ascii')) {
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$error = true;
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}
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$this->fixed_ip[$id]['description'] = $_POST['description_'.$id];
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// active
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$this->fixed_ip[$id]['active'] = (isset($_POST['active_' . $id]) && ($_POST['active_' . $id] == 'on'));
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// Ip address
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if (!empty($_POST['ip_'.$id])) {
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$_POST['ip_'.$id] = trim($_POST['ip_'.$id]);
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}
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if (!empty($_POST['ip_'.$id]) && !(check_ip($_POST['ip_'.$id]))) {
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$error = true;
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$this->fixed_ip[$id]['ip'] = $_POST['ip_'.$id];
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}
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elseif (!empty($_POST['ip_'.$id]) && !$this->overlapd_ip($_POST['ip_'.$id])) {
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$error = true;
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$this->fixed_ip[$id]['ip'] = $_POST['ip_'.$id];
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}
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else {
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$this->fixed_ip[$id]['ip'] = $_POST['ip_'.$id];
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$pcs[] = $_POST['pc_'.$id];
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}
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// Is ip correct with subnet:
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if (!empty($_POST['ip_'.$id]) && check_ip($_POST['ip_'.$id]) && !range::check_subnet_range($_POST['ip_'.$id],
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$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0],
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$this->getAccountContainer()->getAccountModule('dhcp_settings')->getDHCPOption('subnet-mask'))) {
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$error = true;
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}
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// cn:
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if (!empty($_POST['pc_'.$id])) $_POST['pc_'.$id] = trim($_POST['pc_'.$id]);
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if (!empty($_POST['pc_'.$id])) {
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// Already use?
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if (in_array($_POST['pc_'.$id], $pcs) ) {
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$error = true;
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}
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else {
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$pcs[] = $_POST['pc_'.$id];
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}
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}
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else {
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$error = true;
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}
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if (strlen($_POST['pc_'.$id])>30) {
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$error = true;
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}
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if (!preg_match("/^[A-Za-z0-9\\._-]*$/",$_POST['pc_'.$id])) {
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$error = true;
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}
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$this->fixed_ip[$id]['cn'] = $_POST['pc_'.$id];
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}
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if ($error) {
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$errors[] = $this->messages['errors'][0];
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else {
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$error = true;
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}
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if (strlen($_POST['pc_'.$id])>30) {
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$error = true;
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}
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if (!preg_match("/^[A-Za-z0-9\\._-]*$/",$_POST['pc_'.$id])) {
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$error = true;
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}
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$this->fixed_ip[$id]['cn'] = $_POST['pc_'.$id];
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}
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if ($error) {
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$errors[] = $this->messages['errors'][0];
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}
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}
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// Add new IP
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if (isset($_POST['add_ip']) || ($_POST['pc_add'] != '') || ($_POST['mac_add'] != '')) {
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// Add IP:
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$active = (isset($_POST['active_add']) && ($_POST['active_add'] == 'on'));
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$dhcpstatements = array();
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$this->setActive($dhcpstatements, $active);
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$this->setIP($dhcpstatements, $_POST['ip_add']);
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$this->fixed_ip[] = array(
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'cn' => $_POST['pc_add'],
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'mac' => $_POST['mac_add'],
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'description' => $_POST['description_add'],
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'ip' => $_POST['ip_add'],
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'dhcpstatements' => $dhcpstatements,
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'active' => $active,
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);
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$this->orderByIP();
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}
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// Add new IP
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if (isset($_POST['add_ip']) || ($_POST['pc_add'] != '') || ($_POST['mac_add'] != '')) {
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// Add IP:
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$active = (isset($_POST['active_add']) && ($_POST['active_add'] == 'on'));
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$dhcpstatements = array();
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$this->setActive($dhcpstatements, $active);
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$this->setIP($dhcpstatements, $_POST['ip_add']);
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$this->fixed_ip[] = array(
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'cn' => $_POST['pc_add'],
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'mac' => $_POST['mac_add'],
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'description' => $_POST['description_add'],
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'ip' => $_POST['ip_add'],
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'dhcpstatements' => $dhcpstatements,
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'active' => $active,
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);
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$this->orderByIP();
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}
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return $errors;
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@ -407,151 +411,202 @@ class fixed_ip extends baseModule {
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$return->addElement(new htmlStatusMessage('ERROR', _("Please fill out the DHCP settings first.")), true);
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return $return;
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}
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else {
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$this->initCache();
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// auto-completion for host names
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$autoNames = array();
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if (!empty($this->hostCache) && (sizeof($this->hostCache) < 200)) {
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foreach ($this->hostCache as $index => $attrs) {
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if (!empty($attrs['cn'][0])) {
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$autoNames[] = $attrs['cn'][0];
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}
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$this->initCache();
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// auto-completion for host names
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$autoNames = array();
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if (!empty($this->hostCache) && (sizeof($this->hostCache) < 200)) {
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foreach ($this->hostCache as $index => $attrs) {
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if (!empty($attrs['cn'][0])) {
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$autoNames[] = $attrs['cn'][0];
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}
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$autoNames = array_values(array_unique($autoNames));
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}
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// caption
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$ipContainer = new htmlTable();
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$ipContainer->addElement(new htmlOutputText(_('IP address')));
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$ipContainer->addElement(new htmlHelpLink('ip'));
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$return->addElement($ipContainer);
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$pcContainer = new htmlTable();
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$pcContainer->addElement(new htmlOutputText(_('PC name'), true, true));
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$pcContainer->addElement(new htmlHelpLink('pc'));
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$return->addElement($pcContainer);
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$macContainer = new htmlTable();
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$macContainer->addElement(new htmlOutputText(_('MAC address'), true, true));
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$macContainer->addElement(new htmlHelpLink('mac'));
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$return->addElement($macContainer);
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$commentContainer = new htmlTable();
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$commentContainer->addElement(new htmlOutputText(_('Description'), true));
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$commentContainer->addElement(new htmlHelpLink('description'));
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$return->addElement($commentContainer);
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$activeContainer = new htmlTable();
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$activeContainer->colspan = 2;
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$activeContainer->addElement(new htmlOutputText(_('Active')));
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$activeContainer->addElement(new htmlHelpLink('active'));
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$return->addElement($activeContainer, true);
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// Reset oberlaped ips
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$this->reset_overlapd_ip();
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$autoNames = array_values(array_unique($autoNames));
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}
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// caption
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$ipContainer = new htmlTable();
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$ipContainer->addElement(new htmlOutputText(_('IP address')));
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$ipContainer->addElement(new htmlHelpLink('ip'));
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$return->addElement($ipContainer);
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$pcContainer = new htmlTable();
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$pcContainer->addElement(new htmlOutputText(_('PC name'), true, true));
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$pcContainer->addElement(new htmlHelpLink('pc'));
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$return->addElement($pcContainer);
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$macContainer = new htmlTable();
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$macContainer->addElement(new htmlOutputText(_('MAC address'), true, true));
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$macContainer->addElement(new htmlHelpLink('mac'));
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$return->addElement($macContainer);
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$commentContainer = new htmlTable();
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$commentContainer->addElement(new htmlOutputText(_('Description'), true));
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$commentContainer->addElement(new htmlHelpLink('description'));
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$return->addElement($commentContainer);
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$activeContainer = new htmlTable();
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$activeContainer->colspan = 2;
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$activeContainer->addElement(new htmlOutputText(_('Active')));
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$activeContainer->addElement(new htmlHelpLink('active'));
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$return->addElement($activeContainer, true);
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// Reset oberlaped ips
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$this->reset_overlapd_ip();
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// If $ranges is not a array, then create one:
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if (!is_array($this->fixed_ip)) {
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$this->fixed_ip = array();
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// If $ranges is not a array, then create one:
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if (!is_array($this->fixed_ip)) {
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$this->fixed_ip = array();
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}
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$pcs = array();
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foreach($this->fixed_ip AS $id=>$arr) {
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// pc name
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$pcError = "";
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$existsInDifferentDn = $this->hostNameExists($_POST['pc_'.$id]);
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if (!$this->processed) {
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$pcError = "";
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}
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$pcs = array();
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foreach($this->fixed_ip AS $id=>$arr) {
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// pc name
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$pcError = "";
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if (!$this->processed) {
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$pcError = "";
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}
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elseif (strlen($this->fixed_ip[$id]['cn'])>20) {
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$pcError = _("The PC name may not be longer than 20 characters.");
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}
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elseif (strlen($this->fixed_ip[$id]['cn'])<2) {
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$pcError = _("The PC name needs to be at least 2 characters long.");
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}
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elseif (in_array($this->fixed_ip[$id]['cn'], $pcs) ) {
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$pcError = _("This PC name already exists.");
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}
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elseif (isset($_POST['pc_'.$id]) && !preg_match("/^[A-Za-z0-9\\._-]*$/", $_POST['pc_'.$id])) {
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$pcError = _("The PC name may only contain A-Z, a-z and 0-9.");
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}
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$pcs[] = $this->fixed_ip[$id]['cn'];
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// MAC address
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$macError = "";
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if (!$this->processed) {
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$macError = "";
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}
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elseif ($this->check_mac($this->fixed_ip[$id]['mac'])) {
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$macError = _("Invalid MAC address.");
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}
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// descripton
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$descriptionError = "";
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if (!$this->processed) {
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$descriptionError = "";
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}
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elseif (!get_preg($this->fixed_ip[$id]['description'], 'ascii')) {
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$descriptionError = _("Invalid description.");
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}
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// fixed ip
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$ipError = "";
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if (!$this->processed || ($this->fixed_ip[$id]['ip'] == '')) {
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$ipError = "";
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}
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elseif (!check_ip($this->fixed_ip[$id]['ip'])) {
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$ipError = _("The IP address is invalid.");
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}
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elseif (!range::check_subnet_range($this->fixed_ip[$id]['ip'],
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$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0],
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$this->getAccountContainer()->getAccountModule('dhcp_settings')->getDHCPOption('subnet-mask'))) {
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$ipError = _("The IP address does not match the subnet.");
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}
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elseif (!$this->overlapd_ip($this->fixed_ip[$id]['ip'])) {
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$ipError = _("The IP address is already in use.");
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}
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$error = '';
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if ($pcError != '') {
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$error .= ' ' . $pcError;
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}
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if ($macError != '') {
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$error .= ' ' . $macError;
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}
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if ($ipError != '') {
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$error .= ' ' . $ipError;
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}
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if ($descriptionError != '') {
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$error .= ' ' . $descriptionError;
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}
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$return->addElement(new htmlInputField('ip_'.$id, $this->fixed_ip[$id]['ip'], 20));
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$pcInput = new htmlInputField('pc_'.$id, $this->fixed_ip[$id]['cn'], 20);
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if (!empty($autoNames)) {
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$pcInput->enableAutocompletion($autoNames);
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}
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$return->addElement($pcInput);
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$return->addElement(new htmlInputField('mac_'.$id, $this->fixed_ip[$id]['mac'], 20));
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$return->addElement(new htmlInputField('description_'.$id, $this->fixed_ip[$id]['description'], 20));
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$return->addElement(new htmlInputCheckbox('active_'.$id, $this->fixed_ip[$id]['active']));
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$return->addElement(new htmlButton('drop_ip_'.$id, 'del.png', true));
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$return->addElement(new htmlOutputText($error), true);
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elseif (strlen($this->fixed_ip[$id]['cn'])>20) {
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$pcError = _("The PC name may not be longer than 20 characters.");
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}
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$return->addElement(new htmlSpacer(null, '10px'), true);
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// add host
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$return->addElement(new htmlInputField('ip_add', '', 20));
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$newPCInput = new htmlInputField('pc_add', '', 20);
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elseif (strlen($this->fixed_ip[$id]['cn'])<2) {
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$pcError = _("The PC name needs to be at least 2 characters long.");
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}
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elseif (in_array($this->fixed_ip[$id]['cn'], $pcs) ) {
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$pcError = _("This PC name already exists.");
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}
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elseif (isset($_POST['pc_'.$id]) && !preg_match("/^[A-Za-z0-9\\._-]*$/", $_POST['pc_'.$id])) {
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$pcError = _("The PC name may only contain A-Z, a-z and 0-9.");
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}
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elseif ($existsInDifferentDn !== false) {
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$pcError = sprintf(_('This PC name already exists in %s. Use e.g. %s.'), $existsInDifferentDn[0], $existsInDifferentDn[1]);
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}
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$pcs[] = $this->fixed_ip[$id]['cn'];
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// MAC address
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$macError = "";
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if (!$this->processed) {
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$macError = "";
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}
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elseif ($this->check_mac($this->fixed_ip[$id]['mac'])) {
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$macError = _("Invalid MAC address.");
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}
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// descripton
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$descriptionError = "";
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if (!$this->processed) {
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$descriptionError = "";
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}
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elseif (!get_preg($this->fixed_ip[$id]['description'], 'ascii')) {
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||||
$descriptionError = _("Invalid description.");
|
||||
}
|
||||
|
||||
// fixed ip
|
||||
$ipError = "";
|
||||
if (!$this->processed || ($this->fixed_ip[$id]['ip'] == '')) {
|
||||
$ipError = "";
|
||||
}
|
||||
elseif (!check_ip($this->fixed_ip[$id]['ip'])) {
|
||||
$ipError = _("The IP address is invalid.");
|
||||
}
|
||||
elseif (!range::check_subnet_range($this->fixed_ip[$id]['ip'],
|
||||
$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0],
|
||||
$this->getAccountContainer()->getAccountModule('dhcp_settings')->getDHCPOption('subnet-mask'))) {
|
||||
$ipError = _("The IP address does not match the subnet.");
|
||||
}
|
||||
elseif (!$this->overlapd_ip($this->fixed_ip[$id]['ip'])) {
|
||||
$ipError = _("The IP address is already in use.");
|
||||
}
|
||||
$error = '';
|
||||
if ($pcError != '') {
|
||||
$error .= ' ' . $pcError;
|
||||
}
|
||||
if ($macError != '') {
|
||||
$error .= ' ' . $macError;
|
||||
}
|
||||
if ($ipError != '') {
|
||||
$error .= ' ' . $ipError;
|
||||
}
|
||||
if ($descriptionError != '') {
|
||||
$error .= ' ' . $descriptionError;
|
||||
}
|
||||
$return->addElement(new htmlInputField('ip_'.$id, $this->fixed_ip[$id]['ip'], 20));
|
||||
$pcInput = new htmlInputField('pc_'.$id, $this->fixed_ip[$id]['cn'], 20);
|
||||
if (!empty($autoNames)) {
|
||||
$newPCInput->enableAutocompletion($autoNames);
|
||||
$pcInput->enableAutocompletion($autoNames);
|
||||
}
|
||||
$return->addElement($newPCInput);
|
||||
$return->addElement(new htmlInputField('mac_add', '', 20));
|
||||
$return->addElement(new htmlInputField('description_add', '', 20));
|
||||
$return->addElement(new htmlInputCheckbox('active_add', true));
|
||||
$return->addElement(new htmlButton('add_ip', 'add.png', true), true);
|
||||
$return->addElement($pcInput);
|
||||
$return->addElement(new htmlInputField('mac_'.$id, $this->fixed_ip[$id]['mac'], 20));
|
||||
$return->addElement(new htmlInputField('description_'.$id, $this->fixed_ip[$id]['description'], 20));
|
||||
$return->addElement(new htmlInputCheckbox('active_'.$id, $this->fixed_ip[$id]['active']));
|
||||
$return->addElement(new htmlButton('drop_ip_'.$id, 'del.png', true));
|
||||
$return->addElement(new htmlOutputText($error), true);
|
||||
}
|
||||
$return->addElement(new htmlSpacer(null, '10px'), true);
|
||||
// add host
|
||||
$return->addElement(new htmlInputField('ip_add', '', 20));
|
||||
$newPCInput = new htmlInputField('pc_add', '', 20);
|
||||
if (!empty($autoNames)) {
|
||||
$newPCInput->enableAutocompletion($autoNames);
|
||||
}
|
||||
$return->addElement($newPCInput);
|
||||
$return->addElement(new htmlInputField('mac_add', '', 20));
|
||||
$return->addElement(new htmlInputField('description_add', '', 20));
|
||||
$return->addElement(new htmlInputCheckbox('active_add', true));
|
||||
$return->addElement(new htmlButton('add_ip', 'add.png', true), true);
|
||||
|
||||
// add existing host entry
|
||||
if (!empty($this->hostCache)) {
|
||||
$return->addVerticalSpace('20px');
|
||||
$addHostButton = new htmlAccountPageButton(get_class($this), 'addHost', 'add', _('Add existing host'));
|
||||
$addHostButton->setIconClass('createButton');
|
||||
$return->addElement($addHostButton , true);
|
||||
}
|
||||
// add existing host entry
|
||||
if (!empty($this->hostCache)) {
|
||||
$return->addVerticalSpace('20px');
|
||||
$addHostButton = new htmlAccountPageButton(get_class($this), 'addHost', 'add', _('Add existing host'));
|
||||
$addHostButton->setIconClass('createButton');
|
||||
$return->addElement($addHostButton , true);
|
||||
}
|
||||
return $return;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if the given host name already exists.
|
||||
*
|
||||
* @param string $name host name
|
||||
* @return boolean|array false if not exists, DN + new name suggestion if exists
|
||||
*/
|
||||
private function hostNameExists($name) {
|
||||
$this->fillExistingDhcpHosts();
|
||||
foreach ($this->existingDhcpHostsCache as &$host) {
|
||||
if ($name === $host['name']) {
|
||||
$dn = $host['dn'];
|
||||
if ($this->getAccountContainer()->isNewAccount || strpos($dn, $this->getAccountContainer()->dn_orig) === false) {
|
||||
return array($dn, $this->getHostNameSuggestion($name));
|
||||
}
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a suggestion for a free host name.
|
||||
*
|
||||
* @param string $name host name
|
||||
* @return string suggested new name
|
||||
*/
|
||||
private function getHostNameSuggestion($name) {
|
||||
$matches = array();
|
||||
$number = 0;
|
||||
$namePrefix = $name;
|
||||
if (preg_match('/(.*[^0-9])([0-9]+)/', $name, $matches)) {
|
||||
$namePrefix = $matches[1];
|
||||
$number = $matches[2];
|
||||
}
|
||||
while (true) {
|
||||
$number++;
|
||||
$newName = $namePrefix . $number;
|
||||
$found = false;
|
||||
foreach ($this->existingDhcpHostsCache as &$host) {
|
||||
if ($host['name'] === $newName) {
|
||||
$found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!$found) {
|
||||
return $newName;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the HTML meta data for the add host page.
|
||||
*
|
||||
|
|
@ -869,6 +924,23 @@ class fixed_ip extends baseModule {
|
|||
return $this->getAccountContainer()->dn_orig == $rootSuffix;
|
||||
}
|
||||
|
||||
/**
|
||||
* Fills the list of existing DHCP hosts.
|
||||
*/
|
||||
private function fillExistingDhcpHosts() {
|
||||
if ($this->existingDhcpHostsCache != null) {
|
||||
return $this->existingDhcpHostsCache;
|
||||
}
|
||||
$entries = searchLDAPByAttribute('cn', '*', 'dhcpHost', array('cn'), array('dhcp'));
|
||||
$this->existingDhcpHostsCache = array();
|
||||
foreach ($entries as $entry) {
|
||||
$this->existingDhcpHostsCache[] = array(
|
||||
'dn' => $entry['dn'],
|
||||
'name' => $entry['cn'][0]
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
?>
|
||||
|
|
|
|||
Loading…
Reference in New Issue