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LDAPAccountManager/lam/lib/modules/dhcp_settings.inc

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<?php
/*
$Id$
This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
Copyright (C) 2008 Thomas Manninger
2008 - 2012 Roland Gruber
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Manages DHCP entries.
*
* @package modules
*
* @author Thomas Manninger
* @author Roland Gruber
*/
/**
* This function checks if the given IP address ist valid.
*
* @param string IP to check
* @param check Subnet
* @return boolean true or false
**/
if (!function_exists('check_ip')) {
function check_ip($ip,$subnet=false) {
$part = explode(".", $ip);
// Wenn... Keine 4 Segmente gefunden wurde
if (count($part) != 4) {
return false;
}
else {
// check each segment
for ($i = 0; $i < count($part); $i++) {
// only numbers are allowed
if (!is_numeric($part[$i])) {
return false;
}
else {
// if not check Subnet, than segment must be smaller than 256, else smaller than 255
if($part[$i] > 255 || ($i==3 && (!$subnet && $part[$i]<1)) || ($i==3 && (!$subnet && $part[$i]<0))) {
return false;
}
}
}
}
return true;
}
}
/**
* Manages DHCP entries.
*
* @package modules
*/
class dhcp_settings extends baseModule {
// All netbios node types:
private $all_netbios_node_types;
public $attributes;
/**
* Creates a new dhcp_settings object.
*
* @param string $scope account type
*/
function __construct($scope) {
// list of node types
$this->all_netbios_node_types = array(
"1" => _("B-Node (0x01)"),
"2" => _("P-Node (0x02)"),
"4" => _("M-Node (0x04)"),
"8" => _("H-Node (0x08)")
);
// call parent constructor
parent::__construct($scope);
}
/**
* Returns meta data that is interpreted by parent class
*
* @return array array with meta data
*/
public function get_metaData() {
$return = array();
// manages host accounts
$return["account_types"] = array("dhcp");
// alias name
$return["alias"] = _("DHCP settings");
// this is a base module
$return["is_base"] = true;
// icon
$return['icon'] = 'dhcpBig.png';
// RDN attribute
$return["RDN"] = array("cn" => "high");
// LDAP filter
$return["ldap_filter"] = array();
// module dependencies
$return['dependencies'] = array('depends' => array(), 'conflicts' => array());
// managed object classes
$return['objectClasses'] = array('top', 'dhcpOptions', 'dhcpSubnet');
// managed attributes
$return['attributes'] = array('cn', 'dhcpOption', 'dhcpComments', 'dhcpNetMask', 'dhcpStatements');
// help Entries
$return['help'] = array(
'domainname' => array(
"Headline" => _("Domain name"),
"Text" => _("The domain name of the subnet.")
),
'subnet' => array(
"Headline" => _("Subnet"), 'attr' => 'cn',
"Text" => _("The name of the subnet. Example: 192.168.10.0")
),
'leasetime' => array(
"Headline" => _("Lease time"),
"Text" => _("The lease time specifies after how many seconds the client should request a new IP address.")
),
'max_leasetime' => array(
"Headline" => _("Maximum lease time"),
"Text" => _("The maximum lease time specifies after how many seconds the client must request a new IP address.")
),
'dns' => array(
"Headline" => _("DNS (Domain Name System)"),
"Text" => _("The IP addresses of the DNS servers. Multiple addresses are separated by \",\". Example: 192.168.0.10, 192.168.0.11")
),
'gateway' => array(
"Headline" => _("Default gateway"),
"Text" => _("Packets are sent to the default gateway if the receiver does not reside in the same network. The default gateway routes them to the target network.")
),
'netbios' => array(
"Headline" => _("Netbios name servers"),
"Text" => _("The IP addresses of the Netbios name servers (e.g. \"123.123.123.123, 123.123.123.124\").")
),
'netbios_type' => array(
"Headline" => _("Netbios node type"),
"Text" => _("<b>B-Node (0x01): Broadcast.</b><br/>The client tries to find other workstations via broadcasting
(works only inside the same collision domain, viz. the same subnet).<br/><br/>
<b>P-Node (0x02): Point-To-Point</b><br />
The client contacts a Netbios name server (NBNS) from Microsoft Windows Name Service (WINS) for name resolution.<br/><br/>
<b>M-Node (0x04): Mixed</b><br />
The node tries broadcasting first. If that fails then it tries WINS.<br/><br/>
<b>H-Node (0x08): Hybrid</b><br />
The node tries WINS first. If that fails it tries broadcasting.<br/><br/>
By default, the nodes are configured as H-Nodes which fits for small networks. In large networks Point-to-Point (0x02) should be used.")
),
'subnetmask' => array(
"Headline" => _("Subnet mask"),
"Text" => _("The subnet mask of the network.")
),
'netmask' => array(
"Headline" => _("Net mask"), 'attr' => 'dhcpNetMask',
"Text" => _("The net mask is derived from the subnet mask. LAM will calculate it automatically.")
),
'description' => array(
"Headline" => _("Description"), 'attr' => 'dhcpComments',
"Text" => _("Here you can enter a description for this DHCP entry.")
)
);
// available PDF fields
$return['PDF_fields'] = array(
'subnet' => _('Subnet'),
'domainName' => _('Domain name'),
'leaseTime' => _('Lease time'),
'maxLeaseTime' => _('Maximum lease time'),
'DNSserver' => _('DNS'),
'gateway' => _('Default gateway'),
'netbiosServer' => _('Netbios name servers'),
'netbiosType' => _('Netbios node type'),
'subnetMask' => _('Subnet mask'),
'netMask' => _('Net mask'),
'description' => _('Description')
);
// profile elements
$profileContainer = new htmlTable();
$profileContainer->addElement(new htmlTableExtendedInputField(_('Subnet'), 'cn', null, 'subnet'), true);
$profileContainer->addElement(new htmlTableExtendedInputField(_('Domain name'), 'domainname', null, 'domainname'), true);
$profileContainer->addElement(new htmlTableExtendedInputField(_('Lease time'), 'lease_time', null, 'leasetime'), true);
$profileContainer->addElement(new htmlTableExtendedInputField(_('Maximum lease time'), 'max_lease_time', null, 'max_leasetime'), true);
$profileContainer->addElement(new htmlTableExtendedInputField(_('DNS'), 'dns', null, 'dns'), true);
$profileContainer->addElement(new htmlTableExtendedInputField(_('Default gateway'), 'routers', null, 'gateway'), true);
$profileContainer->addElement(new htmlTableExtendedInputField(_('Netbios name servers'), 'netbios', null, 'netbios'), true);
$nodeList = array_flip($this->all_netbios_node_types);
$profileNodeSelect = new htmlTableExtendedSelect('netbios_node_type', $nodeList, null, _('Netbios node type'), 'netbios_type');
$profileNodeSelect->setHasDescriptiveElements(true);
$profileContainer->addElement($profileNodeSelect, true);
$profileContainer->addElement(new htmlTableExtendedInputField(_('Subnet mask'), 'subnet', null, 'subnetmask'), true);
$return['profile_options'] = $profileContainer;
// upload fields
$return['upload_columns'] = array(
array(
'name' => 'dhcp_settings_subnet',
'description' => _('Subnet'),
'help' => 'subnet',
'example' => '192.168.10.0',
'required' => true,
'unique' => 'true'
),
array(
'name' => 'dhcp_settings_domainName',
'description' => _('Domain name'),
'help' => 'domainname',
'example' => 'mydomain.com',
),
array(
'name' => 'dhcp_settings_leaseTime',
'description' => _('Lease time'),
'help' => 'leasetime',
'example' => '86400',
),
array(
'name' => 'dhcp_settings_maxLeaseTime',
'description' => _('Maximum lease time'),
'help' => 'max_leasetime',
'example' => '172800',
),
array(
'name' => 'dhcp_settings_DNSserver',
'description' => _('DNS'),
'help' => 'dns',
'example' => '192.168.10.250',
),
array(
'name' => 'dhcp_settings_gateway',
'description' => _('Default gateway'),
'help' => 'gateway',
'example' => '192.168.10.251',
),
array(
'name' => 'dhcp_settings_netbiosServer',
'description' => _('Netbios name servers'),
'help' => 'netbios',
'example' => '192.168.10.252, 192.168.10.253',
),
array(
'name' => 'dhcp_settings_netbiosType',
'description' => _('Netbios node type'),
'help' => 'netbios_type',
'example' => 'M',
'default' => 'H',
'values' => 'B, H, M, P'
),
array(
'name' => 'dhcp_settings_subnetMask',
'description' => _('Subnet mask'),
'help' => 'subnetmask',
'required' => true,
'example' => '255.255.255.0',
),
array(
'name' => 'dhcp_settings_description',
'description' => _('Description'),
'help' => 'description',
),
);
return $return;
}
/**
* This function fills the message array.
*/
public function load_Messages() {
$this->messages['cn'][0] = array('ERROR', _('No subnet entered.'));
$this->messages['cn'][1] = array('ERROR', _('The subnet is already in use.'));
$this->messages['cn'][2] = array('ERROR', _('The subnet is invalid.'));
$this->messages['cn'][3] = array('ERROR', _('Account %s:') . ' dhcp_settings_subnet', _('The subnet is invalid.'));
$this->messages['dns'][0] = array('ERROR', _('You entered one or more invalid DNS servers.'));
$this->messages['dns'][1] = array('ERROR', _('Account %s:') . ' dhcp_settings_DNSserver', _('You entered one or more invalid DNS servers.'));
$this->messages['lease_time'][0] = array('ERROR', _('The lease time is invalid.'));
$this->messages['lease_time'][1] = array('ERROR', _('Account %s:') . ' dhcp_settings_leaseTime', _('The lease time is invalid.'));
$this->messages['routers'][0] = array('ERROR', _('The default gateway is invalid.'));
$this->messages['routers'][1] = array('ERROR', _('Account %s:') . ' dhcp_settings_gateway', _('The default gateway is invalid.'));
$this->messages['netbios'][0] = array('ERROR', _('The Netbios server is invalid.'));
$this->messages['netbios'][1] = array('ERROR', _('Account %s:') . ' dhcp_settings_netbiosServer', _('The Netbios server is invalid.'));
$this->messages['netbios_node_type'][1] = array('ERROR', _('Account %s:') . ' dhcp_settings_netbiosType', _('The entered Netbios node type does not exist.'));
$this->messages['max_lease_time'][0] = array('ERROR', _('The maximum lease time is invalid.'));
$this->messages['max_lease_time'][1] = array('ERROR', _('Account %s:') . ' dhcp_settings_maxLeaseTime', _('The maximum lease time is invalid.'));
$this->messages['subnet'][0] = array('ERROR', _('The subnet mask is invalid.'));
$this->messages['subnet'][1] = array('ERROR', _('Account %s:') . ' dhcp_settings_subnetMask', _('The subnet mask is invalid.'));
$this->messages['ranges_reload'][0] = array('INFO', _('The DHCP ranges were changed to fit for the new subnet.'));
$this->messages['ips_reload'][0] = array('INFO', 'The fixed IP addresses were changed to fit for the new subnet.');
$this->messages['domainname'][1] = array('ERROR', _('The domain name needs to have at least 3 characters.'));
$this->messages['domainname'][2] = array('ERROR', _('The domain name includes invalid characters. Valid characters are A-Z, a-z, 0-9, ".", "_","-".'));
$this->messages['domainname'][4] = array('ERROR', _('Account %s:') . ' dhcp_settings_domainName', _('The domain name needs to have at least 3 characters.'));
$this->messages['domainname'][5] = array('ERROR', _('Account %s:') . ' dhcp_settings_domainName', _('The domain name includes invalid characters. Valid characters are A-Z, a-z, 0-9, ".", "_","-".'));
}
/**
* Returns a list of modifications which have to be made to the LDAP account.
*
* @return array list of modifications
* <br>This function returns an array with 3 entries:
* <br>array( DN1 ('add' => array($attr), 'remove' => array($attr), 'modify' => array($attr)), DN2 .... )
* <br>DN is the DN to change. It may be possible to change several DNs (e.g. create a new user and add him to some groups via attribute memberUid)
* <br>"add" are attributes which have to be added to LDAP entry
* <br>"remove" are attributes which have to be removed from LDAP entry
* <br>"modify" are attributes which have to been modified in LDAP entry
* <br>"info" are values with informational value (e.g. to be used later by pre/postModify actions)
*/
public function save_attributes() {
// remove dhcpSubnet object class if only the DHCP settings were changed
if ($this->getAccountContainer()->dn_orig == $_SESSION['config']->get_suffix('dhcp')) {
if (!in_array_ignore_case("dhcpSubnet", $this->orig['objectClass']) && in_array_ignore_case("dhcpSubnet", $this->attributes['objectClass'])) {
$this->attributes['objectClass'] = array_delete(array("dhcpSubnet"), $this->attributes['objectClass']);
}
}
$return = parent::save_attributes();
return $return;
}
/**
* Processes user input of the primary module page.
* It checks if all input values are correct and updates the associated LDAP attributes.
*
* @return array list of info/error messages
*/
public function process_attributes() {
// check if DHCP main settings and valid DHCP entry
if ($_SESSION['config']->get_suffix('dhcp') == $this->getAccountContainer()->dn_orig) {
if (!in_array_ignore_case('dhcpServer', $this->attributes['objectClass'])) {
return array();
}
}
$errors = array();
// Check if cn is not empty
if ($_SESSION['config']->get_suffix('dhcp') != $this->getAccountContainer()->dn_orig) {
if (!empty($_POST['cn'])) $_POST['cn'] = trim($_POST['cn']);
$this->attributes['cn'][0] = $_POST['cn'];
if (empty($_POST['cn'])) {
$errors[] = $this->messages['cn'][0];
}
// Check, if cn is not already use:
elseif ((sizeof(searchLDAPByAttribute('cn', $_POST['cn'], 'dhcpOptions', array('cn'), array('dhcp'))) > 0) && $this->orig['cn']['0']!=$_POST['cn']) {
$errors[] = $this->messages['cn'][1];
}
elseif (!check_ip($_POST['cn'],true)) {
$errors[] = $this->messages['cn'][2];
}
elseif (strrpos($_POST['cn'], '.0') != (strlen($_POST['cn']) - 2)) {
$errors[] = $this->messages['cn'][2];
}
else {
// if the cn was edit, reload the Ranges:
if ($this->getAccountContainer()->getAccountModule('range')->reload_ranges())
$errors[] = $this->messages['ranges_reload'][0];
// if the cn was edit, reload the ips:
if ($this->getAccountContainer()->getAccountModule('fixed_ip')->reload_ips())
$errors[] = $this->messages['ips_reload'][0];
}
}
// Check domainname:
if (!empty($_POST['domainname'])) $_POST['domainname'] = trim($_POST['domainname']);
if (!empty($_POST['domainname'])) {
if (strlen($_POST['domainname'])<3) {
$errors[] = $this->messages['domainname'][1];
}
elseif (!preg_match("/^[A-Za-z0-9\\._-]*$/", $_POST['domainname'])) {
$errors[] = $this->messages['domainname'][2];
}
}
$this->setDHCPOption('domain-name', '"' . $_POST['domainname'] . '"');
// Check DNS
if (!empty($_POST['dns'])) {
$_POST['dns'] = trim($_POST['dns']);
$ex = explode(",", $_POST['dns']);
$dns = "";
$is_first=true;
$invalid = false;
foreach($ex AS $string) {
if ($is_first) {
$dns .= $string;
$is_first=false;
}
else {
$dns .= ",$string";
}
if (!check_ip($string)) {
$invalid = true;
}
}
if ($invalid) {
$errors[] = $this->messages['dns'][0];
}
}
$this->setDHCPOption('domain-name-servers', $_POST['dns']);
// Lease Time
if (!empty($_POST['lease_time'])) {
$_POST['lease_time'] = trim($_POST['lease_time']);
}
$this->setDefaultLeaseTime($_POST['lease_time']);
if (!is_numeric($_POST['lease_time']) && !empty($_POST['lease_time'])) {
$errors[] = $this->messages['lease_time'][0];
}
// Max lease Time
if (!empty($_POST['max_lease_time'])) {
$_POST['max_lease_time'] = trim($_POST['max_lease_time']);
}
$this->setMaxLeaseTime($_POST['max_lease_time']);
if (!is_numeric($_POST['max_lease_time']) && !empty($_POST['max_lease_time'])) {
$errors[] = $this->messages['max_lease_time'][0];
}
// Default Gateway
if (!empty($_POST['routers'])) {
$_POST['routers'] = trim($_POST['routers']);
if (!check_ip($_POST['routers'])) {
$errors[] = $this->messages['routers'][0];
}
}
$this->setDHCPOption('routers', $_POST['routers']);
// Netbios
if (!empty($_POST['netbios'])) $_POST['netbios'] = trim($_POST['netbios']);
$netbiosServers = explode(', ', $_POST['netbios']);
$netbiosServersOk = true;
for ($i = 0; $i < sizeof($netbiosServers); $i++) {
if (!check_ip($netbiosServers[$i])) {
$netbiosServersOk = false;
break;
}
}
if (!$netbiosServersOk && !empty($_POST['netbios'])) {
$errors[] = $this->messages['netbios'][0];
}
$this->setDHCPOption('netbios-name-servers', $_POST['netbios']);
$this->setDHCPOption('netbios-node-type', $_POST['netbios_node_type']);
if ($this->getAccountContainer()->dn_orig!=$_SESSION['config']->get_suffix('dhcp')) {
// Check subnet
$_POST['subnet'] = trim($_POST['subnet']);
if (!$this->checkSubnetMask($_POST['subnet'])) {
$errors[] = $this->messages['subnet'][0];
}
$this->setDHCPOption('subnet-mask', $_POST['subnet']);
// calculate netmask from subnet:
if (!empty($_POST['subnet'])) {
$this->attributes['dhcpNetMask'][0] = $this->calculateNetMask($_POST['subnet']);
}
}
$this->attributes['dhcpComments'][0] = $_POST['description'];
return $errors;
}
/**
* Checks if the subnet mask is valid.
*
* @param String $mask subnet mask
* @return boolean correct or incorrect
*/
private function checkSubnetMask($mask) {
// check basic format
if (!check_ip($mask, true)) {
return false;
}
// check if bit order is 11...00...
$parts = explode('.', $mask);
$bits = '';
for ($i = 0; $i < sizeof($parts); $i++) {
$bits .= decbin($parts[$i]);
}
return preg_match('/^1*0*$/', $bits);
}
/**
* Calculates the net mask from the subnet.
*
* @param String $subnet subnet
* @return integer netmask
*/
private function calculateNetMask($subnet) {
$ex = explode(".", $subnet);
$num = 0;
foreach($ex AS $mask) {
$binary = decbin($mask);
$num += substr_count($binary, 1);
}
return $num;
}
/**
* Returns the HTML meta data for the main account page.
*
* @return htmlElement HTML meta data
*/
public function display_html_attributes() {
$return = new htmlTable();
// check if DHCP main settings and valid DHCP entry
if ($_SESSION['config']->get_suffix('dhcp') == $this->getAccountContainer()->dn_orig) {
if (!in_array_ignore_case('dhcpServer', $this->attributes['objectClass'])) {
$return->addElement(new htmlStatusMessage('ERROR', _('Please set your LDAP suffix to an LDAP entry with object class "dhcpServer".')));
return $return;
}
}
// Subnet name
if ($_SESSION['config']->get_suffix('dhcp') != $this->getAccountContainer()->dn_orig) {
$cn = '';
if (isset($this->attributes['cn'][0])) {
$cn = $this->attributes['cn'][0];
}
$subnetInput = new htmlTableExtendedInputField(_('Subnet'), 'cn', $cn, 'subnet');
$subnetInput->setRequired(true);
$return->addElement($subnetInput);
$return->addElement(new htmlOutputText(_('Example') . ": 192.168.10.0"), true);
}
// domain name
$return->addElement(new htmlTableExtendedInputField(_('Domain name'), 'domainname', $this->getDHCPOption('domain-name'), 'domainname'), true);
// lease Time
$leasetimeInput = new htmlTableExtendedInputField(_('Lease time'), 'lease_time', $this->getDefaultLeaseTime(), 'leasetime');
$leasetimeInput->setValidationRule(htmlElement::VALIDATE_NUMERIC);
$return->addElement($leasetimeInput, true);
// max lease time
$max_leasetimeInput = new htmlTableExtendedInputField(_('Maximum lease time'), 'max_lease_time', $this->getMaxLeaseTime(), 'max_leasetime');
$max_leasetimeInput->setValidationRule(htmlElement::VALIDATE_NUMERIC);
$return->addElement($max_leasetimeInput, true);
// DNS
$return->addElement(new htmlTableExtendedInputField(_('DNS'), 'dns', $this->getDHCPOption('domain-name-servers'), 'dns'), true);
// gateway
$return->addElement(new htmlTableExtendedInputField(_('Default gateway'), 'routers', $this->getDHCPOption('routers'), 'gateway'), true);
// netbios name servers
$return->addElement(new htmlTableExtendedInputField(_('Netbios name servers'), 'netbios', $this->getDHCPOption('netbios-name-servers'), 'netbios'), true);
// netbios node type
$nodeType = $this->getDHCPOption('netbios-node-type');
if ($nodeType == '') {
$nodeType = 8;
}
$nodeOptions = array();
foreach ($this->all_netbios_node_types as $key => $value) {
$nodeOptions[$value] = $key;
}
$nodeSelect = new htmlTableExtendedSelect('netbios_node_type', $nodeOptions, array($nodeType), _('Netbios node type'), 'netbios_type');
$nodeSelect->setHasDescriptiveElements(true);
$return->addElement($nodeSelect, true);
if ($this->getAccountContainer()->dn_orig!=$_SESSION['config']->get_suffix('dhcp')) {
// subnetmask
$subnetMaskInput = new htmlTableExtendedInputField(_('Subnet mask'), 'subnet', $this->getDHCPOption('subnet-mask'), 'subnetmask');
$subnetMaskInput->setRequired(true);
$return->addElement($subnetMaskInput, true);
// netmask
$return->addElement(new htmlOutputText(_('Net mask')));
$return->addElement(new htmlOutputText($this->attributes['dhcpNetMask'][0]));
$return->addElement(new htmlHelpLink('netmask'), true);
}
// description
$description = '';
if (isset($this->attributes['dhcpComments'][0])) {
$description = $this->attributes['dhcpComments'][0];
}
$return->addElement(new htmlTableExtendedInputField(_('Description'), 'description', $description, 'description'), true);
return $return;
}
/**
* Loads the values of an account profile into internal variables.
*
* @param array $profile hash array with profile values (identifier => value)
*/
function load_profile($profile) {
// profile mappings in meta data
parent::load_profile($profile);
$this->attributes['cn'][0] = $profile['cn'][0];
$this->setDefaultLeaseTime($profile['lease_time'][0]);
$this->setMaxLeaseTime($profile['max_lease_time'][0]);
$this->setDHCPOption('domain-name', $profile['domainname'][0]);
$this->setDHCPOption('domain-name-servers', $profile['dns'][0]);
$this->setDHCPOption('routers', $profile['routers'][0]);
$this->setDHCPOption('netbios-name-servers', $profile['netbios'][0]);
$this->setDHCPOption('netbios-node-type', $profile['netbios_node_type'][0]);
if ($this->getAccountContainer()->dn_orig!=$_SESSION['config']->get_suffix('dhcp')) {
$this->setDHCPOption('subnet-mask', $profile['subnet'][0]);
// calc the netmask:
$ex=explode(".", $profile['subnet'][0]);
$num = 0;
foreach($ex AS $mask) {
$binary = decbin($mask);
$num += substr_count($binary, 1);
}
$this->attributes['dhcpNetMask'][0] = $num;
}
}
/**
* Returns the PDF entries for this module.
*
* @return array list of possible PDF entries
*/
function get_pdfEntries() {
$nodeType = $this->getDHCPOption('netbios-node-type');
$nodeTypeValue = '';
if (isset($this->all_netbios_node_types[$nodeType])) {
$nodeTypeValue = $this->all_netbios_node_types[$nodeType];
}
return array(
get_class($this) . '_subnet' => array('<block><key>' . _('Subnet') . '</key><value>' . $this->attributes['cn'][0] . '</value></block>'),
get_class($this) . '_domainName' => array('<block><key>' . _('Domain name') . '</key><value>' . $this->getDHCPOption('domain-name') . '</value></block>'),
get_class($this) . '_leaseTime' => array('<block><key>' . _('Lease time') . '</key><value>' . $this->getDefaultLeaseTime() . '</value></block>'),
get_class($this) . '_maxLeaseTime' => array('<block><key>' . _('Maximum lease time') . '</key><value>' . $this->getMaxLeaseTime() . '</value></block>'),
get_class($this) . '_DNSserver' => array('<block><key>' . _('DNS') . '</key><value>' . $this->getDHCPOption('domain-name-servers') . '</value></block>'),
get_class($this) . '_gateway' => array('<block><key>' . _('Default gateway') . '</key><value>' . $this->getDHCPOption('routers') . '</value></block>'),
get_class($this) . '_netbiosServer' => array('<block><key>' . _('Netbios name servers') . '</key><value>' . $this->getDHCPOption('netbios-name-servers') . '</value></block>'),
get_class($this) . '_netbiosType' => array('<block><key>' . _('Netbios node type') . '</key><value>' . $nodeTypeValue . '</value></block>'),
get_class($this) . '_subnetMask' => array('<block><key>' . _('Subnet mask') . '</key><value>' . $this->getDHCPOption('subnet-mask') . '</value></block>'),
get_class($this) . '_netMask' => array('<block><key>' . _('Net mask') . '</key><value>' . $this->attributes['dhcpNetMask'][0] . '</value></block>'),
get_class($this) . '_description' => array('<block><key>' . _('Description') . '</key><value>' . $this->attributes['dhcpComments'][0] . '</value></block>'),
);
}
/**
* Returns a DHCP option.
*
* @param String $name option name
* @return String value
*/
public function getDHCPOption($name) {
$return = null;
if (is_array($this->attributes['dhcpOption'])) {
for ($i = 0; $i < sizeof($this->attributes['dhcpOption']); $i++) {
if (substr($this->attributes['dhcpOption'][$i], 0, strlen($name) + 1) == ($name . ' ')) {
$return = substr($this->attributes['dhcpOption'][$i], strlen($name) + 1);
$return = str_replace('"', '', $return);
break;
}
}
}
return $return;
}
/**
* Sets a DHCP option.
*
* @param String $name option name
* @param String $value option value
*/
private function setDHCPOption($name, $value) {
if (!is_array($this->attributes['dhcpOption'])) {
$this->attributes['dhcpOption'] = array();
}
for ($i = 0; $i < sizeof($this->attributes['dhcpOption']); $i++) {
if (substr($this->attributes['dhcpOption'][$i], 0, strlen($name) + 1) == ($name . ' ')) {
unset($this->attributes['dhcpOption'][$i]);
$this->attributes['dhcpOption'] = array_values($this->attributes['dhcpOption']);
}
}
if (($value != null) && ($value != '')) {
$this->attributes['dhcpOption'][] = $name . ' ' . $value;
}
}
/**
* Returns the default lease time.
*
* @return String time
*/
private function getDefaultLeaseTime() {
$return = null;
if (is_array($this->attributes['dhcpStatements'])) {
for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) {
if (substr($this->attributes['dhcpStatements'][$i], 0, 19) == 'default-lease-time ') {
$return = substr($this->attributes['dhcpStatements'][$i],19);
break;
}
}
}
return $return;
}
/**
* Sets the default lease time.
*
* @param String $time time
*/
private function setDefaultLeaseTime($time) {
if (!is_array($this->attributes['dhcpStatements'])) {
$this->attributes['dhcpStatements'] = array();
}
for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) {
if (substr($this->attributes['dhcpStatements'][$i], 0, 19) == 'default-lease-time ') {
unset($this->attributes['dhcpStatements'][$i]);
$this->attributes['dhcpStatements'] = array_values($this->attributes['dhcpStatements']);
}
}
if (($time != null) && ($time != '')) {
$this->attributes['dhcpStatements'][] = 'default-lease-time ' . $time;
}
}
/**
* Returns the maximum lease time.
*
* @return String time
*/
private function getMaxLeaseTime() {
$return = null;
if (is_array($this->attributes['dhcpStatements'])) {
for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) {
if (substr($this->attributes['dhcpStatements'][$i], 0, 15) == 'max-lease-time ') {
$return = substr($this->attributes['dhcpStatements'][$i],15);
break;
}
}
}
return $return;
}
/**
* Sets the maximum lease time.
*
* @param String $time time
*/
private function setMaxLeaseTime($time) {
if (!is_array($this->attributes['dhcpStatements'])) {
$this->attributes['dhcpStatements'] = array();
}
for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) {
if (substr($this->attributes['dhcpStatements'][$i], 0, 15) == 'max-lease-time ') {
unset($this->attributes['dhcpStatements'][$i]);
$this->attributes['dhcpStatements'] = array_values($this->attributes['dhcpStatements']);
}
}
if (($time != null) && ($time != '')) {
$this->attributes['dhcpStatements'][] = 'max-lease-time ' . $time;
}
}
/**
* In this function the LDAP account is built up.
*
* @param array $rawAccounts list of hash arrays (name => value) from user input
* @param array $partialAccounts list of hash arrays (name => value) which are later added to LDAP
* @param array $ids list of IDs for column position (e.g. "posixAccount_uid" => 5)
* @param array $selectedModules list of selected account modules
* @return array list of error messages if any
*/
function build_uploadAccounts($rawAccounts, $ids, &$partialAccounts, $selectedModules) {
$messages = array();
for ($i = 0; $i < sizeof($rawAccounts); $i++) {
// add object class
if (!in_array("dhcpOptions", $partialAccounts[$i]['objectClass'])) $partialAccounts[$i]['objectClass'][] = "dhcpOptions";
if (!in_array("dhcpSubnet", $partialAccounts[$i]['objectClass'])) $partialAccounts[$i]['objectClass'][] = "dhcpSubnet";
// subnet
if (check_ip($rawAccounts[$i][$ids['dhcp_settings_subnet']],true)) {
$partialAccounts[$i]['cn'] = $rawAccounts[$i][$ids['dhcp_settings_subnet']];
}
else {
$error = $this->messages['cn'][3];
array_push($error, $i);
$messages[] = $error;
}
// domain name
if ($rawAccounts[$i][$ids['dhcp_settings_domainName']] != "") {
if (strlen($rawAccounts[$i][$ids['dhcp_settings_domainName']])<3) {
$error = $this->messages['domainname'][4];
array_push($error, $i);
$messages[] = $error;
}
elseif (preg_match("/^[A-Za-z0-9\._-]*$/", $rawAccounts[$i][$ids['dhcp_settings_domainName']])) {
$partialAccounts[$i]['dhcpOption'][] = "domain-name \"".$rawAccounts[$i][$ids['dhcp_settings_domainName']]."\"";
}
else {
$error = $this->messages['domainname'][5];
array_push($error, $i);
$messages[] = $error;
}
}
// lease time
if ($rawAccounts[$i][$ids['dhcp_settings_leaseTime']] != '') {
if (is_numeric($rawAccounts[$i][$ids['dhcp_settings_leaseTime']])) {
$partialAccounts[$i]['dhcpStatements'][] = 'default-lease-time ' . $rawAccounts[$i][$ids['dhcp_settings_leaseTime']];
}
else {
$error = $this->messages['lease_time'][1];
array_push($error, $i);
$messages[] = $error;
}
}
// max lease time
if ($rawAccounts[$i][$ids['dhcp_settings_maxLeaseTime']] != '') {
if (is_numeric($rawAccounts[$i][$ids['dhcp_settings_maxLeaseTime']])) {
$partialAccounts[$i]['dhcpStatements'][] = 'max-lease-time ' . $rawAccounts[$i][$ids['dhcp_settings_maxLeaseTime']];
}
else {
$error = $this->messages['max_lease_time'][1];
array_push($error, $i);
$messages[] = $error;
}
}
// DNS
if ($rawAccounts[$i][$ids['dhcp_settings_DNSserver']] != '') {
$ex = explode(",", $rawAccounts[$i][$ids['dhcp_settings_DNSserver']]);
$invalid = false;
foreach($ex AS $string) {
if (!check_ip($string)) {
$invalid = true;
}
}
if (!$invalid) {
$partialAccounts[$i]['dhcpOption'][] = 'domain-name-servers ' . $rawAccounts[$i][$ids['dhcp_settings_DNSserver']];
}
else {
$error = $this->messages['dns'][1];
array_push($error, $i);
$messages[] = $error;
}
}
// gateway
if ($rawAccounts[$i][$ids['dhcp_settings_gateway']] != '') {
if (check_ip($rawAccounts[$i][$ids['dhcp_settings_gateway']])) {
$partialAccounts[$i]['dhcpOption'][] = "routers ".$rawAccounts[$i][$ids['dhcp_settings_gateway']];
}
else {
$error = $this->messages['routers'][1];
array_push($error, $i);
$messages[] = $error;
}
}
// netbios name servers
if ($rawAccounts[$i][$ids['dhcp_settings_netbiosServer']] != '') {
$ex = explode(",", $rawAccounts[$i][$ids['dhcp_settings_netbiosServer']]);
$invalid = false;
foreach($ex AS $string) {
if (!check_ip($string)) {
$invalid = true;
}
}
if (!$invalid) {
$partialAccounts[$i]['dhcpOption'][] = "netbios-name-servers " . $rawAccounts[$i][$ids['dhcp_settings_netbiosServer']];
}
else {
$error = $this->messages['netbios'][1];
array_push($error, $i);
$messages[] = $error;
}
}
// node type
if ($rawAccounts[$i][$ids['dhcp_settings_netbiosType']] != '') {
if (in_array($rawAccounts[$i][$ids['dhcp_settings_netbiosType']], array('B', 'P', 'M', 'H'))) {
if ($rawAccounts[$i][$ids['dhcp_settings_netbiosType']] == 'B') {
$partialAccounts[$i]['dhcpOption'][] = "netbios-node-type 1";
}
elseif ($rawAccounts[$i][$ids['dhcp_settings_netbiosType']] == 'P') {
$partialAccounts[$i]['dhcpOption'][] = "netbios-node-type 2";
}
elseif ($rawAccounts[$i][$ids['dhcp_settings_netbiosType']] == 'M') {
$partialAccounts[$i]['dhcpOption'][] = "netbios-node-type 4";
}
elseif ($rawAccounts[$i][$ids['dhcp_settings_netbiosType']] == 'H') {
$partialAccounts[$i]['dhcpOption'][] = "netbios-node-type 8";
}
}
else {
$error = $this->messages['netbios_node_type'][1];
array_push($error, $i);
$messages[] = $error;
}
}
else {
$partialAccounts[$i]['dhcpOption'][] = "netbios-node-type 8"; // default H
}
// subnet mask
if (check_ip($rawAccounts[$i][$ids['dhcp_settings_subnetMask']],true)) {
$partialAccounts[$i]['dhcpOption'][] = "subnet-mask ".$rawAccounts[$i][$ids['dhcp_settings_subnetMask']];
}
else {
$error = $this->messages['subnet'][1];
array_push($error, $i);
$messages[] = $error;
}
// net mask
$mask = $this->calculateNetMask($rawAccounts[$i][$ids['dhcp_settings_subnetMask']]);
$partialAccounts[$i]['dhcpNetMask'][0] = $mask;
// description
if (isset($rawAccounts[$i][$ids['dhcp_settings_description']]) && ($rawAccounts[$i][$ids['dhcp_settings_description']] != '')) {
$partialAccounts[$i]['dhcpComments'][0] = $rawAccounts[$i][$ids['dhcp_settings_description']];
}
}
return $messages;
}
}
?>
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