497 lines
16 KiB
PHP
497 lines
16 KiB
PHP
<?php
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/*
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$Id$
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This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
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Copyright (C) 2008 Thomas Manninger
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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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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* Manages fixed IP addresses.
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*
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* @package modules
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*
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* @author Thomas Manninger
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*/
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/**
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* Manages fixed IP addresses.
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*
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* @package modules
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*/
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class fixed_ip extends baseModule {
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// fixed ips
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public $fixed_ips;
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// already processed?
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public $processed = false;
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// For check, if IPs overlapd.
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public $overlapd;
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// Original IPs
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public $orig_ips = array();
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public $attributes;
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public function get_metaData() {
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$return = array();
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// manages host accounts
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$return["account_types"] = array("dhcp");
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// alias name
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$return["alias"] = _("Fixed IP");
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// this is a base module
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$return["is_base"] = false;
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// RDN attribute
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$return["RDN"] = array("cn" => "high");
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// LDAP filter
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$return["ldap_filter"] = array();
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// module dependencies
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$return['dependencies'] = array('depends' => array('dhcp_settings'), 'conflicts' => array());
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// managed object classes
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$return['objectClasses'] = array();
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// managed attributes
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$return['attributes'] = array();
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// help Entries
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$return['help'] = array(
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'pc' => array(
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"Headline" => _("PC name"),
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"Text" => _("The name of the PC.")
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) , 'mac' => array(
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"Headline" => _("MAC address"),
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"Text" => _("The MAC address of the PC. Example: 11:22:33:44:55:aa")
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) , 'ip' => array(
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"Headline" => _("IP address"),
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"Text" => _("The IP address of the PC.")
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) , 'drop_ip' => array(
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"Headline" => _("Delete IP"),
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"Text" => _("Deletes a fixed IP address.")
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) , 'add_ip' => array(
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"Headline" => _("Add IP"),
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"Text" => _("Adds input fields for a new fixed IP address.")
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) );
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// available PDF fields
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$return['PDF_fields'] = array();
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return $return;
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}
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public function load_Messages() {
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$this->messages['errors'][0] = array('ERROR', _('One or more errors occured. The invalid fields are marked.'), '');
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$this->messages['add_ip'][0] = array('ERROR', _('Adding of a fixed IP failed because of errors.'), '');
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}
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/**
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* Controls if the module button the account page is visible and activated.
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*
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* @return string status ("enabled", "disabled", "hidden")
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*/
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public function getButtonStatus() {
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if ($_SESSION['account']->getAccountModule('dhcp_settings')->dn!=$_SESSION['config']->get_suffix('dhcp')) {
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return "enabled";
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}
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else {
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return "hidden";
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}
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}
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/**
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*
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* Checked, if ips are overlapd.
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*
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* @param ip
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*
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* @return false, if overlapd, else true.
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*
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**/
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public function overlapd_ip($ip) {
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if (in_array($ip, $this->overlapd)) {
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return false;
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}
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$this->overlapd[] = $ip;
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return true;
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}
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/**
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*
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* Reset the overlapd_range() function
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*
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**/
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public function reset_overlapd_ip() {
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$this->overlapd = array();
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}
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/**
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*
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* Check, if a mac address is invalid
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* @param mac adress
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*
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* @return true, if mac is invalid
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**/
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public function check_mac($mac) {
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$ex = explode(":", $mac);
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$invalid = false;
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if (count($ex)!=6) {
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$invalid = true;
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}
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foreach($ex AS $value) {
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if (!eregi("[0-9a-fA-F][0-9a-fA-F]", $value) || strlen($value)!="2") {
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$invalid = true;
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}
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}
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return $invalid;
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}
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/**
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*
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* Adapt the fixed ip with the subnet.
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*
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* @return true, if ip were edit.
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*
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**/
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public function reload_ips() {
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// Only run it, when ranges already exists:
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if(is_array($this->fixed_ip)) {
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$ex_subnet = explode(".", $_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0]);
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$ip_edit = false; // Range were edit?
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foreach ($this->fixed_ip AS $id=>$arr) {
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if (!empty($this->fixed_ip[$id]['ip']) && !$_SESSION['account']->getAccountModule('range')->check_subnet_range($this->fixed_ip[$id]['ip'],$_SESSION['account']->getAccountModule('dhcp_settings')->$this->attributes['cn'][0])) {
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// Range anpassen:
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$ex = explode(".", $this->fixed_ip[$id]['ip']);
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$tmp = $this->fixed_ip[$id]['ip'];
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$this->fixed_ip[$id]['ip'] = $ex_subnet['0'].".".$ex_subnet['1'].".".$ex_subnet['2'].".".$ex['3'];
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if ($tmp!=$this->fixed_ip[$id]['ip'])
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$ip_edit = true;
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}
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}
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}
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return $ip_edit;
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}
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/**
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* This function loads all needed LDAP attributes.
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*
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* @param array $attr list of attributes
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*/
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function load_attributes($attr) {
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if ($_SESSION['account']->getAccountModule('dhcp_settings')->dn!=$_SESSION['config']->get_suffix('dhcp')) {
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$sr = ldap_search($_SESSION['ldap']->server(),'cn='.$_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0].','.$_SESSION['config']->get_suffix('dhcp'),'(objectClass=dhcpHost)');
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$entries = ldap_get_entries($_SESSION['ldap']->server(), $sr);
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for ($i=0; $i < $entries["count"]; $i++)
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{
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$this->fixed_ip[$i]['cn'] = $entries[$i]['cn'][0];
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$this->fixed_ip[$i]['mac'] = array_pop(explode(" ", $entries[$i]['dhcphwaddress'][0]));
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$this->fixed_ip[$i]['ip'] = array_pop(explode(" ", $entries[$i]['dhcpstatements'][0]));
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$this->orig_ips[$i]['cn'] = $entries[$i]['cn'][0];
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$this->orig_ips[$i]['mac'] = array_pop(explode(" ", $entries[$i]['dhcphwaddress'][0]));
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$this->orig_ips[$i]['ip'] = array_pop(explode(" ", $entries[$i]['dhcpstatements'][0]));
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}
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}
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}
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/**
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* Processes user input of the primary module page.
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* It checks if all input values are correct and updates the associated LDAP attributes.
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*
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* @return array list of info/error messages
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*/
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public function process_attributes() {
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$errors = array();
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if ($_SESSION['account']->getAccountModule('dhcp_settings')->dn!=$_SESSION['config']->get_suffix('dhcp')) {
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$this->processed = true;
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$this->reset_overlapd_ip();
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if ($_SESSION['account']->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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// 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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// If all three inputs are empty, then do nothing:
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if (!empty($_POST['pc_'.$id]) && !empty($_POST['mac_'.$id]) && !empty($_POST['ip_'.$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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$error = true;
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}
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else
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{
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$this->attributes['dhcpHWAddress'][0] = "ethernet ". $_POST['mac'];
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}
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$this->fixed_ip[$id]['mac'] = $_POST['mac_'.$id];
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// Ip address
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if (!empty($_POST['ip_'.$id])) $_POST['ip_'.$id] = trim($_POST['ip_'.$id]);
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if (!check_ip($_POST['ip_'.$id]) && !empty($_POST['ip_'.$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])) {
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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 (!$this->overlapd_ip($_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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{
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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 (!$_SESSION['account']->getAccountModule('range')->check_subnet_range($_POST['ip_'.$id], $_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0]) ) {
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$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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{
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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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{
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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 (!eregi("^[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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}
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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'])) {
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// Check, if there where no errors:
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if ($error) {
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$errors[] = $this->messages['add_ip'][0];
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}
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else
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{
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// Add IP:
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$this->fixed_ip[] = array('cn'=>'','mac'=>'','ip'=>'');
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}
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}
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}
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return $errors;
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}
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/* This function will create the html-page
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* to show a page with all attributes.
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* It will output a complete html-table
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*/
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public function display_html_attributes() {
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if ($_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0]=="") {
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echo "<b>" . _("Please fill out the DHCP settings first.") . "</b>";
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}
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else
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{
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// Reset oberldapd ips
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$this->reset_overlapd_ip();
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// If $ranges is not a array, then create an:
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if (!is_array($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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$result = @ldap_search($_SESSION['ldap']->server(),"cn=".$_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0].",".$_SESSION['config']->get_Suffix('dhcp'),'(cn='.$_POST['pc_'.$id].')');
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$num = (@ldap_get_entries($_SESSION['ldap']->server(), $result)=="")?0:ldap_get_entries($_SESSION['ldap']->server(), $result);
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$error = "";
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if (!$this->processed) {
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$error = "";
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}
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elseif (strlen($this->fixed_ip[$id]['cn'])>20) {
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$error = "«« " . _("The PC name may not be longer than 20 characters.");
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}
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elseif (strlen($this->fixed_ip[$id]['cn'])<2) {
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$error = "«« " . _("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'], $pcs) ) {
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$error="«« " . _("This PC name already exists.");
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}
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elseif (!eregi("^[A-Za-z0-9\._-]*$",$_POST['pc_'.$id])) {
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$error="«« " . _("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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$return[] = array(0 => array('kind' => 'text', 'text' => _('PC name') . ":* "),
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1 => array('kind' => 'input', 'name' => 'pc_'.$id.'', 'value' => $this->fixed_ip[$id]['cn']),
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2 => array('kind' => 'help', 'value' => 'pc', 'scope' => 'user'),
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3 => array('kind' => 'text', 'text'=>$error));
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// MAC address
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$error = "";
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if (!$this->processed) {
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$error = "";
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}
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elseif ($this->check_mac($this->fixed_ip[$id]['mac'])) {
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$error = "«« " . _("Invalid MAC address.");
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}
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$return[] = array(0 => array('kind' => 'text', 'text' => _('MAC address') . ":* "),
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1 => array('kind' => 'input', 'name' => 'mac_'.$id.'', 'value' => $this->fixed_ip[$id]['mac']),
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2 => array('kind' => 'help', 'value' => 'mac', 'scope' => 'user'),
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3 => array('kind' => 'text', 'text'=>$error));
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// fixed ip
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$error = "";
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if (!$this->processed) {
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$error = "";
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}
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elseif (!$_SESSION['account']->getAccountModule('range')->check_subnet_range($this->fixed_ip[$id]['ip'], $_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0]) ) {
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$error = "«« " . _("The IP address does not match the subnet.");
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}
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elseif (!$this->overlapd_ip($this->fixed_ip[$id]['ip'])) {
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$error = "«« " . _("The IP address is already in use.");
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}
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$return[] = array(0 => array('kind' => 'text', 'text' => _('IP address') . ":* "),
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1 => array('kind' => 'input', 'name' => 'ip_'.$id.'', 'value' => $this->fixed_ip[$id]['ip']),
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2 => array('kind' => 'help', 'value' => 'ip', 'scope' => 'user'),
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3 => array('kind' => 'text', 'text'=>$error));
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// fixed_ip drop:
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$return[] = array(
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0 => array('kind' => 'text', 'text' => _('Delete IP') . ':'),
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1 => array('kind' => 'input', 'name' => 'drop_ip_'.$id, 'type' => 'submit', 'value' => _('Delete IP')),
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2 => array('kind' => 'help', 'value' => 'drop_ip'));
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// Space Line
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$return[] = array(0 => array('kind' => 'text', 'text' => '<br />'));
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}
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// add fixed ip:
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$return[] = array(
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0 => array('kind' => 'text', 'text' => _('Add IP') . ':'),
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1 => array('kind' => 'input', 'name' => 'add_ip', 'type' => 'submit', 'value' => _('Add IP')),
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2 => array('kind' => 'help', 'value' => 'add_ip'));
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}
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return $return;
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}
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/* This function returns an array with 4 entries:
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* array( DN1 ('add' => array($attr), 'remove' => array($attr), 'modify' => array($attr), 'lamdaemon' => array(cmds)), DN2 .... )
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* DN is the DN to change. It may be possible to change several DNs,
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* e.g. create a new user and add him to some groups via attribute memberUid
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* add are attributes which have to be added to ldap entry
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* remove are attributes which have to be removed from ldap entry
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* lamdaemon are lamdaemon commands to modify homedir, quotas, ...
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*/
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public function save_attributes() {
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}
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/**
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* This function will be overwrite, because this function
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* creates the fixed ips after ldap_add command.
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**/
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public function postModifyActions($newAccount) {
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if ($_SESSION['account']->getAccountModule('dhcp_settings')->dn!=$_SESSION['config']->get_suffix('dhcp')) {
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$add = array();
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$delete = array();
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// Which dns are to delete and to add
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foreach($this->orig_ips AS $id=>$arr) {
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// Exist cn still?
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$in_arr = false;
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foreach($this->fixed_ip AS $idB=>$arr) {
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if ($this->orig_ips[$id]['cn']==$this->fixed_ip[$idB]['cn']) {
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$in_arr = true;
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// Was cn edit?
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if($this->orig_ips[$id]['ip']!=$this->fixed_ip[$idB]['ip']) {
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$delete[] = $this->orig_ips[$id]['cn'];
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$add[] = $this->fixed_ip[$idB];
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}
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}
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}
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if (!$in_arr) {
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$delete[] = $this->orig_ips[$id]['cn'];
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}
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}
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if (!is_array($this->fixed_ip))
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$this->fixed_ip = array();
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// Which entrys are new:
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foreach($this->fixed_ip AS $id=>$arr) {
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$in_arr = false;
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foreach($this->orig_ips AS $idB=>$arr) {
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if ($this->orig_ips[$idB]['cn']==$this->fixed_ip[$id]['cn']) {
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$in_arr = true;
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}
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}
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if (!$in_arr) {
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$add[] = $this->fixed_ip[$id];
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}
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}
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foreach($delete AS $dn) {
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ldap_delete($_SESSION['ldap']->server(),'cn='.$dn.',cn='.$_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0].','.$_SESSION['config']->get_suffix('dhcp'));
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}
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foreach($add AS $id=>$arr) {
|
|
$attr = array();
|
|
$attr['cn'] = $add[$id]['cn'];
|
|
$attr['objectClass'][0] = 'top';
|
|
$attr['objectClass'][1] = 'dhcpHost';
|
|
$attr['dhcpHWAddress'] = 'ethernet '.$add[$id]['mac'];
|
|
$attr['dhcpStatements'] = 'fixed-address '.$add[$id]['ip'];
|
|
if ($attr['cn']!="")
|
|
ldap_add($_SESSION['ldap']->server(),'cn='.$add[$id]['cn'].',cn='.$_SESSION['account']->getAccountModule('dhcp_settings')->attributes['cn'][0].','.$_SESSION['config']->get_suffix('dhcp'),$attr);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
?>
|