527 lines
16 KiB
PHP
527 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.ldap-account-manager.org/)
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Copyright (C) 2008 Thomas Manninger
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2008 - 2010 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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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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* @author Roland Gruber
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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_ip;
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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 $attributes;
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/**
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* Returns meta data that is interpreted by parent class
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*
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* @return array array with meta data
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*
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* @see baseModule::get_metaData()
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*/
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public function get_metaData() {
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$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"] = _("Hosts");
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// this is a base module
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$return["is_base"] = false;
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// icon
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$return['icon'] = 'computer.png';
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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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$return['attributes'] = array('dhcpOption');
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// help Entries
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$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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) );
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// available PDF fields
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$return['PDF_fields'] = array('IPlist' => _('IP list'));
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return $return;
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}
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/**
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* This function fills the error message array with messages.
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*/
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public function load_Messages() {
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$this->messages['errors'][0] = array('ERROR', _('One or more errors occured. The invalid fields are marked.'), '');
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}
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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 ($this->getAccountContainer()->dn_orig!=$_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 (!preg_match("/[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(".", $this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0]);
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$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']) && !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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// 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 ($this->getAccountContainer()->dn_orig!=$_SESSION['config']->get_suffix('dhcp')) {
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$entries = searchLDAP($this->getAccountContainer()->dn_orig, '(objectClass=dhcpHost)', array('cn', 'dhcphwaddress', 'dhcpstatements'));
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for ($i=0; $i < sizeof($entries); $i++) {
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$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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$errors = array();
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if ($this->getAccountContainer()->dn_orig!=$_SESSION['config']->get_suffix('dhcp')) {
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$this->processed = true;
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$this->reset_overlapd_ip();
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if ($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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// 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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$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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// 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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// 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[] = $this->messages['errors'][0];
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}
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}
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// Add new IP
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if(isset($_POST['add_ip'])) {
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// Add IP:
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$this->fixed_ip[] = array('cn' => $_POST['pc_add'], 'mac' => $_POST['mac_add'], 'ip' => $_POST['ip_add']);
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}
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}
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return $errors;
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}
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/**
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* Returns the HTML meta data for the main account page.
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*
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* @return htmlElement HTML meta data
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*/
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public function display_html_attributes() {
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$return = new htmlTable();
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if ($this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0]=="") {
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$return->addElement(new htmlStatusMessage('ERROR', _("Please fill out the DHCP settings first.")), true);
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return $return;
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}
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else {
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// caption
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$pcContainer = new htmlTable();
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$pcContainer->addElement(new htmlOutputText(_('PC name') . "*"));
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$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') . "*"));
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$macContainer->addElement(new htmlHelpLink('mac'));
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$return->addElement($macContainer);
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$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, 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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$this->fixed_ip = array();
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}
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$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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$macError = _("Invalid MAC address.");
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}
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// fixed ip
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$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 .= ' ' . $ipError;
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}
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$return->addElement(new htmlInputField('pc_'.$id, $this->fixed_ip[$id]['cn']));
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$return->addElement(new htmlInputField('mac_'.$id, $this->fixed_ip[$id]['mac']));
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$return->addElement(new htmlInputField('ip_'.$id, $this->fixed_ip[$id]['ip']));
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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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}
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$return->addElement(new htmlSpacer(null, '10px'), true);
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// add fixed ip:
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$return->addElement(new htmlInputField('pc_add', ''));
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$return->addElement(new htmlInputField('mac_add', ''));
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$return->addElement(new htmlInputField('ip_add', ''));
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$return->addElement(new htmlButton('add_ip', 'add.png', true));
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}
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return $return;
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}
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/**
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* This function returns an array with 4 entries:
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* array( DN1 ('add' => array($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 is overwritten because the fixed IPs are set after the ldap_add command.
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*
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* @see baseModule::postModifyActions()
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*
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* @param boolean $newAccount
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* @param array $attributes LDAP attributes of this entry
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*/
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public function postModifyActions($newAccount, $attributes) {
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if ($this->getAccountContainer()->dn_orig!=$_SESSION['config']->get_suffix('dhcp')) {
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$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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$in_arr = true;
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// check if IP changed
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if($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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// check if MAC changed
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elseif($this->orig_ips[$id]['mac']!=$this->fixed_ip[$idB]['mac']) {
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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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}
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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='.$dn.',cn='.$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0].','.$_SESSION['config']->get_suffix('dhcp'));
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}
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foreach($add AS $id=>$arr) {
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$attr = array();
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$attr['cn'] = $add[$id]['cn'];
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$attr['objectClass'][0] = 'top';
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$attr['objectClass'][1] = 'dhcpHost';
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$attr['dhcpHWAddress'] = 'ethernet ' . $add[$id]['mac'];
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if ($add[$id]['ip'] != '') {
|
|
$attr['dhcpStatements'] = 'fixed-address '.$add[$id]['ip'];
|
|
}
|
|
$attr['dhcpOption'] = 'host-name "' . $add[$id]['cn'] . '"';
|
|
if ($attr['cn'] != "")
|
|
ldap_add($_SESSION['ldap']->server(),'cn='.$add[$id]['cn'].',cn='.$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes['cn'][0].','.$_SESSION['config']->get_suffix('dhcp'),$attr);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the PDF entries for this module.
|
|
*
|
|
* @return array list of possible PDF entries
|
|
*/
|
|
function get_pdfEntries() {
|
|
$return = array();
|
|
if (is_array($this->fixed_ip) && (sizeof($this->fixed_ip) > 0)) {
|
|
$return[get_class($this) . '_IPlist'] = array('<block><tr><td width="20%" align=\"L\"><b>' . _('PC name') . "</b></td><td width=\"20%\" align=\"L\"><b>" . _('IP address') . "</b></td><td width=\"20%\" align=\"L\"><b>" . _('MAC address') . '</b></td></tr></block>');
|
|
for ($i = 0; $i < sizeof($this->fixed_ip); $i++) {
|
|
$name = $this->fixed_ip[$i]['cn'];
|
|
$mac = $this->fixed_ip[$i]['mac'];
|
|
$ip = $this->fixed_ip[$i]['ip'];
|
|
$return[get_class($this) . '_IPlist'][] = '<block><tr><td width="20%" align=\"L\">' . $name . "</td><td width=\"20%\" align=\"L\">" . $ip . "</td><td width=\"20%\" align=\"L\">" . $mac . '</td></tr></block>';
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
}
|
|
|
|
?>
|