attributes = &$this->getAccountContainer()->getAccountModule('dhcp_settings')->attributes; $this->orig = &$this->getAccountContainer()->getAccountModule('dhcp_settings')->orig; } public function get_metaData() { $return = array(); // manages host accounts $return["account_types"] = array("dhcp"); // alias name $return["alias"] = _("DDNS"); // this is a base module $return["is_base"] = false; // 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('dhcp_settings'), 'conflicts' => array()); // managed object classes $return['objectClasses'] = array(); // managed attributes $return['attributes'] = array('dhcpOption', 'dhcpStatements'); // help Entries $return['help'] = array( 'active' => array( "Headline" => _("Activate DynDNS"), "Text" => _("Should DDNS (Dynamic DNS) be activated?") ) , 'fixed_ips' => array( "Headline" => _("Fix IP addresses"), "Text" => _("Should fix IP addresses be added to the DNS server?") ) , 'client_insert' => array( "Headline" => _("Disable client updates"), "Text" => _("Disables the client to update DNS entries.") ) , 'keypath' => array( "Headline" => _("Path to key for DNS updates"), "Text" => _("The key enables the DHCP server to perform DNS updates." . " " . "The key is generated with \"genDDNSkey\".") ) , 'dns' => array( "Headline" => _("IP address of the DNS server"), "Text" => _("Please enter the IP address of your DNS server.") ) , 'zone' => array( "Headline" => _("Zone names"), "Text" => _("Zone names for the DNS server (e.g. company.local).") ) , 'zone_reverse' => array( "Headline" => _("Reverse zone names"), "Text" => ("Name of the reverse zones of the DNS server (e.g. 0.168.192.in-addr.arpa).") ) ,); // available PDF fields $return['PDF_fields'] = array( 'DNSserver' => _('IP address of the DNS server'), 'zone' => _('Zone names'), 'reverseZone' => _('Reverse zone names'), ); // upload fields if (isset($_SESSION['loggedIn']) && $this->check_if_ddns_is_enable()) { $return['upload_columns'] = array( array( 'name' => 'ddns_DNSserver', 'description' => _('IP address of the DNS server'), 'help' => 'dns', 'example' => '123.123.123.123', 'required' => true ), array( 'name' => 'ddns_zone', 'description' => _('Zone names'), 'help' => 'zone', 'example' => 'company.local', 'required' => true ), array( 'name' => 'ddns_reverseZone', 'description' => _('Reverse zone names'), 'help' => 'zone_reverse', 'example' => '0.168.192.in-addr.arpa', 'required' => true ), ); } return $return; } /** * This function fills the message array. */ public function load_Messages() { $this->messages['key_path'][0] = array('ERROR', 'Please enter the path to the key.', ''); $this->messages['key_path'][1] = array('ERROR', 'The key path contains invalid characters.', ''); $this->messages['ip'][0] = array('ERROR', 'The IP address of the DNS server is invalid.'); $this->messages['ip'][1] = array('ERROR', _('Account %s:') . ' ddns_DNSserver', 'The IP address of the DNS server is invalid.'); $this->messages['zone'][0] = array('ERROR', 'Please enter a zone name.'); $this->messages['zone_reverse'][0] = array('ERROR', 'Please enter the reverse zone.'); } /** * This functions returns true if all needed settings are done. * * @return boolean true if LDAP operation can be done */ public function module_complete() { if ($this->getAccountContainer()->dn_orig==$_SESSION['config']->get_suffix('dhcp')) { // check if DHCP main settings and valid DHCP entry if (!in_array_ignore_case('dhcpServer', $this->attributes['objectClass'])) { return false; } //Main settings if ($this->isDynDNSActivated() && (($this->getUpdateKey() == null) || ($this->getUpdateKey() == ''))) { return false; } } else { if (!$this->check_if_ddns_is_enable()) { return true; } // Account settings $ip = $this->getDNSServer(); if (!empty($ip) && !check_ip($ip)) return false; $zones = $this->getZoneNames(); if (sizeof($zones) < 2) { return false; } } return true; } /** * This function check if ddns is enable. */ private function check_if_ddns_is_enable() { $ldap = $_SESSION['ldap']->server(); $dn = $_SESSION['config']->get_suffix('dhcp'); $search = @ldap_read($ldap,$dn,"dhcpStatements=ddns-update-style interim", array('dn'), 0, 0, 0, LDAP_DEREF_NEVER); if ($search) { $info = @ldap_get_entries($ldap,$search); if ($info) { $info = cleanLDAPResult($info); if (sizeof($info) > 0) { return true; } } else { return false; } } return false; } /** * 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() { $errors = array(); // Main Settings and Account have to different processes. if ($this->getAccountContainer()->dn_orig==$_SESSION['config']->get_suffix('dhcp')) { // main settings: $errors = $this->process_attributes_mainSettings(); } else { // account if (!$this->check_if_ddns_is_enable()) { return array(); } $errors = $this->process_attributes_account(); } return $errors; } /** * Process for mainsettings */ public function process_attributes_mainSettings() { if (!in_array_ignore_case('dhcpServer', $this->attributes['objectClass'])) { return array(); } $errors = array(); // Is DDNS active? $active = $_POST['active']; // Insert fixed IPs into DNS? $insert_fixed = $_POST['insert_fixed']; // Client can contribute which is registered into DNS $client_insert = $_POST['client_insert']; // The path to the key: $key_path = trim($_POST['key_path']); $this->setDynDNSActivated(($active == 'on')); $this->setFixIPs(($insert_fixed == 'on')); $this->setIgnoreClientUpdates(($client_insert == 'on')); $this->setUpdateKey($key_path); // key path must be insert, when ddns is active if ($active == 'on' && empty($key_path)) { $errors[] = $this->messages['key_path'][0]; } elseif (!empty($key_path)) { if (str_replace("\"","",$_POST['key_path']) != $key_path) { $errors[] = $this->messages['key_path'][1]; } } return $errors; } /** * Process for account */ public function process_attributes_account() { $errors = array(); $ip = trim($_POST['ip']); $zone = trim($_POST['zone']); $zone_reverse = trim($_POST['zone_reverse']); // ip correct??? if (!empty($ip)) { if (!check_ip($ip)) { $errors[] = $this->messages['ip'][0]; } } for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) { if (substr($this->attributes['dhcpStatements'][$i], 0, 5) == 'zone ') { unset($this->attributes['dhcpStatements'][$i]); $this->attributes['dhcpStatements'] = array_values($this->attributes['dhcpStatements']); $i--; } } // Zone inserted? if (!empty($zone)) { $this->attributes['dhcpStatements'][] = "zone {$zone}. { primary {$ip}; key DHCP_UPDATER; }"; } else { if (!empty($ip)) { $errors[] = $this->messages['zone'][0]; } } // Zone reverse inserted? if (!empty($zone_reverse)) { $this->attributes['dhcpStatements'][] = "zone {$zone_reverse}. { primary {$ip}; key DHCP_UPDATER; }"; } else { if (!empty($ip)) { $errors[] = $this->messages['zone_reverse'][0]; } } return $errors; } /** * Returns the HTML meta data for the main account page. * * @return array HTML meta data */ public function display_html_attributes() { // check if DHCP main settings and valid DHCP entry if ($_SESSION['config']->get_suffix('dhcp') == $this->getAccountContainer()->dn_orig) { if (!in_array_ignore_case('dhcpServer', $this->attributes['objectClass'])) { StatusMessage("ERROR", _('Please set your LDAP suffix to an LDAP entry with object class "dhcpServer".')); return array(); } } if ($this->getAccountContainer()->dn_orig==$_SESSION['config']->get_suffix('dhcp')) { // DHCP main settings $return[] = array( array('kind' => 'text', 'text' => _('Activate DynDNS') . ":* "), array('kind' => 'input', 'type' => 'checkbox', 'name' => 'active', 'checked' => $this->isDynDNSActivated()), array('kind' => 'help', 'value' => 'active', 'scope' => 'user')); $return[] = array( array('kind' => 'text', 'text' => _('Add fix IP addresses to DNS') . ":* "), array('kind' => 'input', 'type' => 'checkbox', 'name' => 'insert_fixed', 'checked' => $this->addFixIPs()), array('kind' => 'help', 'value' => 'fixed_ips', 'scope' => 'user')); $return[] = array( array('kind' => 'text', 'text' => _('Disable client updates') . ":* "), array('kind' => 'input', 'type' => 'checkbox', 'name' => 'client_insert', 'checked' => $this->isIgnoreClientUpdates()), array('kind' => 'help', 'value' => 'client_insert', 'scope' => 'user')); $return[] = array( array('kind' => 'text', 'text' => _('Path to key for DNS updates') . ":* "), array('kind' => 'input', 'type' => 'text', 'name' => 'key_path', 'value' => $this->getUpdateKey()), array('kind' => 'help', 'value' => 'keypath', 'scope' => 'user')); } else { // Account edit if (!$this->check_if_ddns_is_enable()) { echo _("DDNS ist not activated. You can activate it in the DHCP settings (DDNS).") . "

"; } else { $return[] = array( array('kind' => 'text', 'text' => _('IP address of the DNS server') . ":* "), array('kind' => 'input', 'type' => 'text', 'name' => 'ip', 'value' => $this->getDNSServer()), array('kind' => 'help', 'value' => 'dns', 'scope' => 'user')); $zones = $this->getZoneNames(); $zone = ''; $revzone = ''; if (isset($zones[0])) { $zone = $zones[0]; } if (isset($zones[1])) { $revzone = $zones[1]; } $return[] = array( array('kind' => 'text', 'text' => _('Zone names') . ":* "), array('kind' => 'input', 'type' => 'text', 'name' => 'zone', 'value' => $zone), array('kind' => 'help', 'value' => 'zone', 'scope' => 'user')); $return[] = array( array('kind' => 'text', 'text' => _('Reverse zone names') . ":* "), array('kind' => 'input', 'type' => 'text', 'name' => 'zone_reverse', 'value' => $revzone), array('kind' => 'help', 'value' => 'zone_reverse', 'scope' => 'user')); } } echo _("Attention: The DHCP service needs to be restarted after changes in DDNS.") . "
"; return $return; } /** * Returns the PDF entries for this module. * * @return array list of possible PDF entries */ public function get_pdfEntries() { $zones = $this->getZoneNames(); $zone = ''; $revzone = ''; if (isset($zones[0])) { $zone = $zones[0]; } if (isset($zones[1])) { $revzone = $zones[1]; } return array( get_class($this) . '_DNSserver' => array('' . _('IP address of the DNS server') . '' . $this->getDNSServer() . ''), get_class($this) . '_zone' => array('' . _('Zone names') . '' . $zone . ''), get_class($this) . '_reverseZone' => array('' . _('Reverse zone names') . '' . $revzone . ''), ); } /** * Returns the IP of the DNS server. * * @return String IP address */ private function getDNSServer() { $return = null; if (is_array($this->attributes['dhcpStatements'])) { for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) { if (substr($this->attributes['dhcpStatements'][$i], 0, 5) == 'zone ') { return array_shift(explode(";",array_pop(explode(". { primary ", $this->attributes['dhcpStatements'][$i])))); } } } return $return; } /** * Returns the zone names. * * @return array zone names */ private function getZoneNames() { $return = array(); if (is_array($this->attributes['dhcpStatements'])) { for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) { if (substr($this->attributes['dhcpStatements'][$i], 0, 5) == 'zone ') { $return[] = substr(array_shift(explode(" ",substr($this->attributes['dhcpStatements'][$i],5))),0,-1); } } } return $return; } /** * Returns if DDNS is activated. * * @return boolean activated */ private function isDynDNSActivated() { $return = false; if (is_array($this->attributes['dhcpStatements'])) { for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) { if ($this->attributes['dhcpStatements'][$i] == 'ddns-update-style interim') { $return = true; break; } } } return $return; } /** * Sets if DDNS is activated. * * $activated boolean activated */ private function setDynDNSActivated($activated) { if (is_array($this->attributes['dhcpStatements'])) { for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) { if (substr($this->attributes['dhcpStatements'][$i], 0, 18) == 'ddns-update-style ') { unset($this->attributes['dhcpStatements'][$i]); $this->attributes['dhcpStatements'] = array_values($this->attributes['dhcpStatements']); } } } if ($activated) { $this->attributes['dhcpStatements'][] = 'ddns-update-style interim'; } else { $this->attributes['dhcpStatements'][] = 'ddns-update-style none'; } } /** * Returns if fixed IPs are added to DDNS. * * @return boolean add fixed IPs */ private function addFixIPs() { $return = false; if (is_array($this->attributes['dhcpStatements'])) { for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) { if ($this->attributes['dhcpStatements'][$i] == 'update-static-leases true') { $return = true; break; } } } return $return; } /** * Sets if client updates are ignored. * * $add boolean add fixed IPs */ private function setFixIPs($add) { if (is_array($this->attributes['dhcpStatements'])) { for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) { if (substr($this->attributes['dhcpStatements'][$i], 0, 21) == 'update-static-leases ') { unset($this->attributes['dhcpStatements'][$i]); $this->attributes['dhcpStatements'] = array_values($this->attributes['dhcpStatements']); } } } if ($add) { $this->attributes['dhcpStatements'][] = 'update-static-leases true'; } } /** * Returns if client updates are ignored. * * @return boolean ignore client updates */ private function isIgnoreClientUpdates() { $return = false; if (is_array($this->attributes['dhcpStatements'])) { for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) { if ($this->attributes['dhcpStatements'][$i] == 'ignore client-updates') { $return = true; break; } } } return $return; } /** * Sets if client updates are ignored. * * $ignore boolean ignore client updates */ private function setIgnoreClientUpdates($ignore) { if (is_array($this->attributes['dhcpStatements'])) { for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) { if ($this->attributes['dhcpStatements'][$i] == 'ignore client-updates') { unset($this->attributes['dhcpStatements'][$i]); $this->attributes['dhcpStatements'] = array_values($this->attributes['dhcpStatements']); } } } if ($ignore) { $this->attributes['dhcpStatements'][] = 'ignore client-updates'; } } /** * Returns the key for DNS updates. * * @return String key */ private function getUpdateKey() { $return = null; if (is_array($this->attributes['dhcpStatements'])) { for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) { if (substr($this->attributes['dhcpStatements'][$i], 0, 8) == 'include ') { $return = substr($this->attributes['dhcpStatements'][$i],9, strlen($this->attributes['dhcpStatements'][$i]) - 10); break; } } } return $return; } /** * Sets the key for DNS updates. * * $key String key */ private function setUpdateKey($key) { if (!is_array($this->attributes['dhcpStatements'])) { $this->attributes['dhcpStatements'] = array(); } for ($i = 0; $i < sizeof($this->attributes['dhcpStatements']); $i++) { if (substr($this->attributes['dhcpStatements'][$i], 0, 8) == 'include ') { unset($this->attributes['dhcpStatements'][$i]); $this->attributes['dhcpStatements'] = array_values($this->attributes['dhcpStatements']); } } if (($key != null) && ($key != '')) { $this->attributes['dhcpStatements'][] = 'include "' . $key . '"'; } } /** * This function loads the LDAP attributes when an account should be loaded. * * Calling this method requires the existence of an enclosing {@link accountContainer}.
*
* By default this method loads the object classes and accounts which are specified in {@link getManagedObjectClasses()} * and {@link getManagedAttributes()}. * * @param array $attributes array like the array returned by get_ldap_attributes(dn of account) but without count indices */ public function load_attributes($attributes) { // load nothing, attributes are saved in "dhcp_settings" module } /** * 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) { $messages = array(); if (!$this->check_if_ddns_is_enable()) { return $messages; } for ($i = 0; $i < sizeof($rawAccounts); $i++) { // principal name if (!check_ip($rawAccounts[$i][$ids['ddns_DNSserver']])) { $error = $this->messages['ip'][1]; array_push($error, $i); $messages[] = $error; } else { $partialAccounts[$i]['dhcpStatements'][] = "zone {$rawAccounts[$i][$ids['ddns_zone']]}. { primary {$rawAccounts[$i][$ids['ddns_DNSserver']]}; key DHCP_UPDATER; }"; $partialAccounts[$i]['dhcpStatements'][] = "zone {$rawAccounts[$i][$ids['ddns_reverseZone']]}. { primary {$rawAccounts[$i][$ids['ddns_DNSserver']]}; key DHCP_UPDATER; }"; } } return $messages; } } ?>