New file |
| | |
| | | <?php |
| | | /* |
| | | +-----------------------------------------------------------------------+ |
| | | | Net/LDAP3.php | |
| | | | | |
| | | | Based on code created by the Roundcube Webmail team. | |
| | | | | |
| | | | Copyright (C) 2006-2014, The Roundcube Dev Team | |
| | | | Copyright (C) 2012-2014, Kolab Systems AG | |
| | | | | |
| | | | Licensed under the GNU General Public License version 3 or | |
| | | | any later version with exceptions for plugins. | |
| | | | See the README file for a full license statement. | |
| | | | | |
| | | | PURPOSE: | |
| | | | Provide advanced functionality for accessing LDAP directories | |
| | | | | |
| | | +-----------------------------------------------------------------------+ |
| | | | Authors: Thomas Bruederli <roundcube@gmail.com> | |
| | | | Aleksander Machniak <machniak@kolabsys.com> | |
| | | | Jeroen van Meeuwen <vanmeeuwen@kolabsys.com> | |
| | | +-----------------------------------------------------------------------+ |
| | | */ |
| | | |
| | | require_once __DIR__ . '/LDAP3/Result.php'; |
| | | |
| | | /** |
| | | * Model class to access a LDAP directories |
| | | * |
| | | * @package Net_LDAP3 |
| | | */ |
| | | class Net_LDAP3 |
| | | { |
| | | public $conn; |
| | | public $vlv_active = false; |
| | | |
| | | private $attribute_level_rights_map = array( |
| | | "r" => "read", |
| | | "s" => "search", |
| | | "w" => "write", |
| | | "o" => "delete", |
| | | "c" => "compare", |
| | | "W" => "write", |
| | | "O" => "delete" |
| | | ); |
| | | |
| | | private $entry_level_rights_map = array( |
| | | "a" => "add", |
| | | "d" => "delete", |
| | | "n" => "modrdn", |
| | | "v" => "read" |
| | | ); |
| | | |
| | | /* |
| | | * Manipulate configuration through the config_set and config_get methods. |
| | | * Available options: |
| | | * 'debug' => false, |
| | | * 'hosts' => array(), |
| | | * 'port' => 389, |
| | | * 'use_tls' => false, |
| | | * 'ldap_version' => 3, // using LDAPv3 |
| | | * 'auth_method' => '', // SASL authentication method (for proxy auth), e.g. DIGEST-MD5 |
| | | * 'numsub_filter' => '(objectClass=organizationalUnit)', // with VLV, we also use numSubOrdinates to query the total number of records. Set this filter to get all numSubOrdinates attributes for counting |
| | | * 'referrals' => false, // Sets the LDAP_OPT_REFERRALS option. Mostly used in multi-domain Active Directory setups |
| | | * 'network_timeout' => 10, // The timeout (in seconds) for connect + bind arrempts. This is only supported in PHP >= 5.3.0 with OpenLDAP 2.x |
| | | * 'sizelimit' => 0, // Enables you to limit the count of entries fetched. Setting this to 0 means no limit. |
| | | * 'timelimit' => 0, // Sets the number of seconds how long is spend on the search. Setting this to 0 means no limit. |
| | | * 'vlv' => false, // force VLV off |
| | | * 'config_root_dn' => 'cn=config', // Root DN to read config (e.g. vlv indexes) from |
| | | * 'service_bind_dn' => 'uid=kolab-service,ou=Special Users,dc=example,dc=org', |
| | | * 'service_bind_pw' => 'Welcome2KolabSystems', |
| | | * 'root_dn' => 'dc=example,dc=org', |
| | | */ |
| | | protected $config = array( |
| | | 'sizelimit' => 0, |
| | | 'timelimit' => 0, |
| | | ); |
| | | |
| | | protected $debug_level = false; |
| | | protected $list_page = 1; |
| | | protected $page_size = 10; |
| | | protected $cache; |
| | | |
| | | // Use public method config_set('log_hook', $callback) to have $callback be |
| | | // call_user_func'ed instead of the local log functions. |
| | | protected $_log_hook; |
| | | |
| | | // Use public method config_set('config_get_hook', $callback) to have |
| | | // $callback be call_user_func'ed instead of the local config_get function. |
| | | protected $_config_get_hook; |
| | | |
| | | // Use public method config_set('config_set_hook', $callback) to have |
| | | // $callback be call_user_func'ed instead of the local config_set function. |
| | | protected $_config_set_hook; |
| | | |
| | | // Not Yet Implemented |
| | | // Intended to allow hooking in for the purpose of caching. |
| | | protected $_result_hook; |
| | | |
| | | // Runtime. These are not the variables you're looking for. |
| | | protected $_current_bind_dn; |
| | | protected $_current_bind_pw; |
| | | protected $_current_host; |
| | | protected $_supported_control = array(); |
| | | protected $_vlv_indexes_and_searches; |
| | | |
| | | /** |
| | | * Constructor |
| | | * |
| | | * @param array $config Configuration parameters that have not already |
| | | * been initialized. For configuration parameters |
| | | * that have in fact been set, use the config_set() |
| | | * method after initialization. |
| | | */ |
| | | public function __construct($config = array()) |
| | | { |
| | | if (!empty($config) && is_array($config)) { |
| | | foreach ($config as $key => $value) { |
| | | if (empty($this->config[$key])) { |
| | | $setter = 'config_set_' . $key; |
| | | if (method_exists($this, $setter)) { |
| | | $this->$setter($value); |
| | | } |
| | | else if (isset($this->$key)) { |
| | | $this->$key = $value; |
| | | } |
| | | else { |
| | | $this->config[$key] = $value; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Add multiple entries to the directory information tree in one go. |
| | | */ |
| | | public function add_entries($entries, $attributes = array()) |
| | | { |
| | | // If $entries is an associative array, it's keys are DNs and its |
| | | // values are the attributes for that DN. |
| | | // |
| | | // If $entries is a non-associative array, the attributes are expected |
| | | // to be positional in $attributes. |
| | | |
| | | $result_set = array(); |
| | | |
| | | if (array_keys($entries) == range(0, count($entries) - 1)) { |
| | | // $entries is sequential |
| | | if (count($entries) !== count($attributes)) { |
| | | $this->_error("Wrong entry/attribute count in " . __FUNCTION__); |
| | | return false; |
| | | } |
| | | |
| | | for ($i = 0; $i < count($entries); $i++) { |
| | | $result_set[$i] = $this->add_entry($entries[$i], $attributes[$i]); |
| | | } |
| | | } |
| | | else { |
| | | // $entries is associative |
| | | foreach ($entries as $entry_dn => $entry_attributes) { |
| | | if (array_keys($attributes) !== range(0, count($attributes)-1)) { |
| | | // $attributes is associative as well, let's merge these |
| | | // |
| | | // $entry_attributes takes precedence, so is in the second |
| | | // position in array_merge() |
| | | $entry_attributes = array_merge($attributes, $entry_attributes); |
| | | } |
| | | |
| | | $result_set[$entry_dn] = $this->add_entry($entry_dn, $entry_attributes); |
| | | } |
| | | } |
| | | |
| | | return $result_set; |
| | | } |
| | | |
| | | /** |
| | | * Add an entry to the directory information tree. |
| | | */ |
| | | public function add_entry($entry_dn, $attributes) |
| | | { |
| | | // TODO: |
| | | // - Get entry rdn attribute value from entry_dn and see if it exists in |
| | | // attributes -> issue warning if so (but not block the operation). |
| | | $this->_debug("Entry DN", $entry_dn); |
| | | $this->_debug("Attributes", $attributes); |
| | | |
| | | foreach ($attributes as $attr_name => $attr_value) { |
| | | if (empty($attr_value)) { |
| | | unset($attributes[$attr_name]); |
| | | } |
| | | } |
| | | |
| | | $this->_debug("C: Add $entry_dn: " . json_encode($attributes)); |
| | | |
| | | if (($add_result = ldap_add($this->conn, $entry_dn, $attributes)) == false) { |
| | | $this->_debug("S: " . ldap_error($this->conn)); |
| | | $this->_debug("S: Adding entry $entry_dn failed. " . ldap_error($this->conn)); |
| | | |
| | | return false; |
| | | } |
| | | |
| | | $this->_debug("LDAP: S: OK"); |
| | | |
| | | return true; |
| | | } |
| | | |
| | | /** |
| | | * Add replication agreements and initialize the consumer(s) for |
| | | * $domain_root_dn. |
| | | * |
| | | * Searches the configured replicas for any of the current domain/config |
| | | * databases, and uses this information to configure the additional |
| | | * replication for the (new) domain database (at $domain_root_dn). |
| | | * |
| | | * Very specific to Netscape-based directory servers, and currently also |
| | | * very specific to multi-master replication. |
| | | */ |
| | | public function add_replication_agreements($domain_root_dn) |
| | | { |
| | | $replica_hosts = $this->list_replicas(); |
| | | |
| | | if (empty($replica_hosts)) { |
| | | return; |
| | | } |
| | | |
| | | $result = $this->search($this->config_get('config_root_dn'), "(&(objectclass=nsDS5Replica)(nsDS5ReplicaType=3))", "sub"); |
| | | |
| | | if (!$result) { |
| | | $this->_debug("No replication configuration found."); |
| | | return; |
| | | } |
| | | |
| | | // Preserve the number of replicated databases we have, because the replication ID |
| | | // can be calculated from the number of databases replicated, and the number of |
| | | // servers. |
| | | $num_replica_dbs = $result->count(); |
| | | $replicas = $result->entries(true); |
| | | $max_replica_agreements = 0; |
| | | |
| | | foreach ($replicas as $replica_dn => $replica_attrs) { |
| | | $result = $this->search($replica_dn, "(objectclass=nsDS5ReplicationAgreement)", "sub"); |
| | | if ($result) { |
| | | if ($max_replica_agreements < $result->count()) { |
| | | $max_replica_agreements = $result->count(); |
| | | $max_replica_agreements_dn = $replica_dn; |
| | | } |
| | | } |
| | | } |
| | | |
| | | $max_repl_id = $num_replica_dbs * count($replica_hosts); |
| | | |
| | | $this->_debug("The current maximum replication ID is $max_repl_id"); |
| | | $this->_debug("The current maximum number of replication agreements for any database is $max_replica_agreements (for $max_replica_agreements_dn)"); |
| | | $this->_debug("With " . count($replica_hosts) . " replicas, the next is " . ($max_repl_id + 1) . " and the last one is " . ($max_repl_id + count($replica_hosts))); |
| | | |
| | | // Then add the replication agreements |
| | | foreach ($replica_hosts as $num => $replica_host) { |
| | | $ldap = new Net_LDAP3($this->config); |
| | | $ldap->config_set('hosts', array($replica_host)); |
| | | $ldap->connect(); |
| | | $ldap->bind($this->_current_bind_dn, $this->_current_bind_pw); |
| | | |
| | | $replica_attrs = array( |
| | | 'cn' => 'replica', |
| | | 'objectclass' => array( |
| | | 'top', |
| | | 'nsds5replica', |
| | | 'extensibleobject', |
| | | ), |
| | | 'nsDS5ReplicaBindDN' => $ldap->get_entry_attribute($replica_dn, "nsDS5ReplicaBindDN"), |
| | | 'nsDS5ReplicaId' => ($max_repl_id + $num + 1), |
| | | 'nsDS5ReplicaRoot' => $domain_root_dn, |
| | | 'nsDS5ReplicaType' => $ldap->get_entry_attribute($replica_dn, "nsDS5ReplicaType"), |
| | | 'nsds5ReplicaPurgeDelay' => $ldap->get_entry_attribute($replica_dn, "nsds5ReplicaPurgeDelay"), |
| | | 'nsDS5Flags' => $ldap->get_entry_attribute($replica_dn, "nsDS5Flags") |
| | | ); |
| | | |
| | | $new_replica_dn = 'cn=replica,cn="' . $domain_root_dn . '",cn=mapping tree,cn=config'; |
| | | |
| | | $this->_debug("Adding $new_replica_dn to $replica_host with attributes: " . var_export($replica_attrs, true)); |
| | | |
| | | $result = $ldap->add_entry($new_replica_dn, $replica_attrs); |
| | | |
| | | if (!$result) { |
| | | $this->_error("Could not add replication configuration to database for $domain_root_dn on $replica_host"); |
| | | continue; |
| | | } |
| | | |
| | | $result = $ldap->search($replica_dn, "(objectclass=nsDS5ReplicationAgreement)", "sub"); |
| | | |
| | | if (!$result) { |
| | | $this->_error("Host $replica_host does not have any replication agreements"); |
| | | continue; |
| | | } |
| | | |
| | | $entries = $result->entries(true); |
| | | $replica_agreement_tpl_dn = key($entries); |
| | | |
| | | $this->_debug("Using " . var_export($replica_agreement_tpl_dn, true) . " as the template for new replication agreements"); |
| | | |
| | | foreach ($replica_hosts as $replicate_to_host) { |
| | | // Skip the current server |
| | | if ($replicate_to_host == $replica_host) { |
| | | continue; |
| | | } |
| | | |
| | | $this->_debug("Adding a replication agreement for $domain_root_dn to $replicate_to_host on " . $replica_host); |
| | | |
| | | $attrs = array( |
| | | 'objectclass', |
| | | 'nsDS5ReplicaBindDN', |
| | | 'nsDS5ReplicaCredentials', |
| | | 'nsDS5ReplicaTransportInfo', |
| | | 'nsDS5ReplicaBindMethod', |
| | | 'nsDS5ReplicaHost', |
| | | 'nsDS5ReplicaPort' |
| | | ); |
| | | |
| | | $replica_agreement_attrs = $ldap->get_entry_attributes($replica_agreement_tpl_dn, $attrs); |
| | | $replica_agreement_attrs['cn'] = array_shift(explode('.', $replicate_to_host)) . str_replace(array('dc=',','), array('_',''), $domain_root_dn); |
| | | $replica_agreement_attrs['nsDS5ReplicaRoot'] = $domain_root_dn; |
| | | $replica_agreement_dn = "cn=" . $replica_agreement_attrs['cn'] . "," . $new_replica_dn; |
| | | |
| | | $this->_debug("Adding $replica_agreement_dn to $replica_host with attributes: " . var_export($replica_agreement_attrs, true)); |
| | | |
| | | $result = $ldap->add_entry($replica_agreement_dn, $replica_agreement_attrs); |
| | | |
| | | if (!$result) { |
| | | $this->_error("Failed adding $replica_agreement_dn"); |
| | | } |
| | | } |
| | | } |
| | | |
| | | $server_id = implode('', array_diff($replica_hosts, $this->_server_id_not)); |
| | | |
| | | $this->_debug("About to trigger consumer initialization for replicas on current 'parent': $server_id"); |
| | | |
| | | $result = $this->search($this->config_get('config_root_dn'), "(&(objectclass=nsDS5ReplicationAgreement)(nsds5replicaroot=$domain_root_dn))", "sub"); |
| | | |
| | | if ($result) { |
| | | foreach ($result->entries(true) as $agreement_dn => $agreement_attrs) { |
| | | $this->modify_entry_attributes( |
| | | $agreement_dn, |
| | | array( |
| | | 'replace' => array( |
| | | 'nsds5BeginReplicaRefresh' => 'start', |
| | | ), |
| | | ) |
| | | ); |
| | | } |
| | | } |
| | | } |
| | | |
| | | public function attribute_details($attributes = array()) |
| | | { |
| | | $schema = $this->init_schema(); |
| | | |
| | | if (!$schema) { |
| | | return array(); |
| | | } |
| | | |
| | | $attribs = $schema->getAll('attributes'); |
| | | |
| | | $attributes_details = array(); |
| | | |
| | | foreach ($attributes as $attribute) { |
| | | if (array_key_exists($attribute, $attribs)) { |
| | | $attrib_details = $attribs[$attribute]; |
| | | |
| | | if (!empty($attrib_details['sup'])) { |
| | | foreach ($attrib_details['sup'] as $super_attrib) { |
| | | $_attrib_details = $attribs[$super_attrib]; |
| | | if (is_array($_attrib_details)) { |
| | | $attrib_details = array_merge($_attrib_details, $attrib_details); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | else if (array_key_exists(strtolower($attribute), $attribs)) { |
| | | $attrib_details = $attribs[strtolower($attribute)]; |
| | | |
| | | if (!empty($attrib_details['sup'])) { |
| | | foreach ($attrib_details['sup'] as $super_attrib) { |
| | | $_attrib_details = $attribs[$super_attrib]; |
| | | if (is_array($_attrib_details)) { |
| | | $attrib_details = array_merge($_attrib_details, $attrib_details); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | else { |
| | | $this->_warning("LDAP: No schema details exist for attribute $attribute (which is strange)"); |
| | | } |
| | | |
| | | // The relevant parts only, please |
| | | $attributes_details[$attribute] = array( |
| | | 'type' => !empty($attrib_details['single-value']) ? 'text' : 'list', |
| | | 'description' => $attrib_details['desc'], |
| | | 'syntax' => $attrib_details['syntax'], |
| | | 'max-length' => $attrib_details['max-length'] ?: false, |
| | | ); |
| | | } |
| | | |
| | | return $attributes_details; |
| | | } |
| | | |
| | | public function attributes_allowed($objectclasses = array()) |
| | | { |
| | | $this->_debug("Listing allowed_attributes for objectclasses", $objectclasses); |
| | | |
| | | if (!is_array($objectclasses) || empty($objectclasses)) { |
| | | return false; |
| | | } |
| | | |
| | | $schema = $this->init_schema(); |
| | | if (!$schema) { |
| | | return false; |
| | | } |
| | | |
| | | $may = array(); |
| | | $must = array(); |
| | | $superclasses = array(); |
| | | |
| | | foreach ($objectclasses as $objectclass) { |
| | | $superclass = $schema->superclass($objectclass); |
| | | if (!empty($superclass)) { |
| | | $superclasses = array_merge($superclass, $superclasses); |
| | | } |
| | | |
| | | $_may = $schema->may($objectclass); |
| | | $_must = $schema->must($objectclass); |
| | | |
| | | if (is_array($_may)) { |
| | | $may = array_merge($may, $_may); |
| | | } |
| | | if (is_array($_must)) { |
| | | $must = array_merge($must, $_must); |
| | | } |
| | | } |
| | | |
| | | $may = array_unique($may); |
| | | $must = array_unique($must); |
| | | $superclasses = array_unique($superclasses); |
| | | |
| | | return array('may' => $may, 'must' => $must, 'super' => $superclasses); |
| | | } |
| | | |
| | | public function classes_allowed() |
| | | { |
| | | $schema = $this->init_schema(); |
| | | if (!$schema) { |
| | | return false; |
| | | } |
| | | |
| | | $list = $schema->getAll('objectclasses'); |
| | | $classes = array(); |
| | | |
| | | foreach ($list as $class) { |
| | | $classes[] = $class['name']; |
| | | } |
| | | |
| | | return $classes; |
| | | } |
| | | |
| | | /** |
| | | * Bind connection with DN and password |
| | | * |
| | | * @param string $dn Bind DN |
| | | * @param string $pass Bind password |
| | | * |
| | | * @return boolean True on success, False on error |
| | | */ |
| | | public function bind($bind_dn, $bind_pw) |
| | | { |
| | | if (!$this->conn) { |
| | | return false; |
| | | } |
| | | |
| | | if ($bind_dn == $this->_current_bind_dn) { |
| | | return true; |
| | | } |
| | | |
| | | $this->_debug("C: Bind [dn: $bind_dn] [pass: $bind_pw]"); |
| | | |
| | | if (@ldap_bind($this->conn, $bind_dn, $bind_pw)) { |
| | | $this->_debug("S: OK"); |
| | | $this->_current_bind_dn = $bind_dn; |
| | | $this->_current_bind_pw = $bind_pw; |
| | | |
| | | return true; |
| | | } |
| | | |
| | | $this->_debug("S: ".ldap_error($this->conn)); |
| | | $this->_error("Bind failed for dn=$bind_dn: ".ldap_error($this->conn)); |
| | | |
| | | return false; |
| | | } |
| | | |
| | | /** |
| | | * Close connection to LDAP server |
| | | */ |
| | | public function close() |
| | | { |
| | | if ($this->conn) { |
| | | $this->_debug("C: Close"); |
| | | ldap_unbind($this->conn); |
| | | |
| | | $this->_current_bind_dn = null; |
| | | $this->_current_bind_pw = null; |
| | | $this->conn = null; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Get the value of a configuration item. |
| | | * |
| | | * @param string $key Configuration key |
| | | * @param mixed $default Default value to return |
| | | */ |
| | | public function config_get($key, $default = null) |
| | | { |
| | | if (!empty($this->_config_get_hook)) { |
| | | return call_user_func_array($this->_config_get_hook, array($key, $value)); |
| | | } |
| | | else if (method_exists($this, "config_get_{$key}")) { |
| | | return call_user_func(array($this, "config_get_$key"), $value); |
| | | } |
| | | else if (!isset($this->config[$key])) { |
| | | return $default; |
| | | } |
| | | else { |
| | | return $this->config[$key]; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Set a configuration item to value. |
| | | * |
| | | * @param string $key Configuration key |
| | | * @param mixed $value Configuration value |
| | | */ |
| | | public function config_set($key, $value = null) |
| | | { |
| | | if (is_array($key)) { |
| | | foreach ($key as $k => $v) { |
| | | $this->config_set($k, $v); |
| | | } |
| | | return; |
| | | } |
| | | |
| | | if (!empty($this->_config_set_hook)) { |
| | | call_user_func($this->_config_set_hook, array($key, $value)); |
| | | } |
| | | else if (method_exists($this, "config_set_{$key}")) { |
| | | call_user_func_array(array($this, "config_set_$key"), array($value)); |
| | | } |
| | | else if (isset($this->$key)) { |
| | | $this->$key = $value; |
| | | } |
| | | else { |
| | | // 'host' option is deprecated |
| | | if ($key == 'host') { |
| | | $this->config['hosts'] = (array) $value; |
| | | } |
| | | else { |
| | | $this->config[$key] = $value; |
| | | } |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Establish a connection to the LDAP server |
| | | */ |
| | | public function connect($host = null) |
| | | { |
| | | if (!function_exists('ldap_connect')) { |
| | | $this->_error("No ldap support in this PHP installation"); |
| | | return false; |
| | | } |
| | | |
| | | if (is_resource($this->conn)) { |
| | | $this->_debug("Connection already exists"); |
| | | return true; |
| | | } |
| | | |
| | | $hosts = !empty($host) ? $host : $this->config_get('hosts', array()); |
| | | $port = $this->config_get('port', 389); |
| | | |
| | | foreach ((array) $hosts as $host) { |
| | | $this->_debug("C: Connect [$host:$port]"); |
| | | |
| | | if ($lc = @ldap_connect($host, $port)) { |
| | | if ($this->config_get('use_tls', false) === true) { |
| | | if (!ldap_start_tls($lc)) { |
| | | $this->_debug("S: Could not start TLS. " . ldap_error($lc)); |
| | | continue; |
| | | } |
| | | } |
| | | |
| | | $this->_debug("S: OK"); |
| | | |
| | | $ldap_version = $this->config_get('ldap_version', 3); |
| | | $timeout = $this->config_get('network_timeout'); |
| | | $referrals = $this->config_get('referrals'); |
| | | |
| | | ldap_set_option($lc, LDAP_OPT_PROTOCOL_VERSION, $ldap_version); |
| | | |
| | | if ($timeout) { |
| | | ldap_set_option($lc, LDAP_OPT_NETWORK_TIMEOUT, $timeout); |
| | | } |
| | | |
| | | if ($referrals !== null) { |
| | | ldap_set_option($lc, LDAP_OPT_REFERRALS, (bool) $referrals); |
| | | } |
| | | |
| | | $this->_current_host = $host; |
| | | $this->conn = $lc; |
| | | |
| | | break; |
| | | } |
| | | |
| | | $this->_debug("S: NOT OK"); |
| | | } |
| | | |
| | | if (!is_resource($this->conn)) { |
| | | $this->_error("Could not connect to LDAP"); |
| | | return false; |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | |
| | | /** |
| | | * Shortcut to ldap_delete() |
| | | */ |
| | | public function delete_entry($entry_dn) |
| | | { |
| | | $this->_debug("LDAP: C: Delete $entry_dn"); |
| | | |
| | | if (ldap_delete($this->conn, $entry_dn) === false) { |
| | | $this->_debug("LDAP: S: " . ldap_error($this->conn)); |
| | | return false; |
| | | } |
| | | |
| | | $this->_debug("LDAP: S: OK"); |
| | | |
| | | return true; |
| | | } |
| | | |
| | | /** |
| | | * Deletes specified entry and all entries in the tree |
| | | */ |
| | | public function delete_entry_recursive($entry_dn) |
| | | { |
| | | // searching for sub entries, but not scope sub, just one level |
| | | $result = $this->search($entry_dn, '(objectclass=*)', 'one'); |
| | | |
| | | if ($result) { |
| | | $entries = $result->entries(true); |
| | | |
| | | foreach (array_keys($entries) as $sub_dn) { |
| | | if (!$this->delete_entry_recursive($sub_dn)) { |
| | | return false; |
| | | } |
| | | } |
| | | } |
| | | |
| | | if (!$this->delete_entry($entry_dn)) { |
| | | return false; |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | |
| | | public function effective_rights($subject) |
| | | { |
| | | $effective_rights_control_oid = "1.3.6.1.4.1.42.2.27.9.5.2"; |
| | | |
| | | $supported_controls = $this->supported_controls(); |
| | | |
| | | if (!in_array($effective_rights_control_oid, $supported_controls)) { |
| | | $this->_debug("LDAP: No getEffectiveRights control in supportedControls"); |
| | | return false; |
| | | } |
| | | |
| | | $attributes = array( |
| | | 'attributeLevelRights' => array(), |
| | | 'entryLevelRights' => array(), |
| | | ); |
| | | |
| | | $output = array(); |
| | | $entry_dn = $this->entry_dn($subject); |
| | | |
| | | if (!$entry_dn) { |
| | | $entry_dn = $this->config_get($subject . "_base_dn"); |
| | | } |
| | | if (!$entry_dn) { |
| | | $entry_dn = $this->config_get("base_dn"); |
| | | } |
| | | if (!$entry_dn) { |
| | | $entry_dn = $this->config_get("root_dn"); |
| | | } |
| | | |
| | | $this->_debug("effective_rights for subject $subject resolves to entry dn $entry_dn"); |
| | | |
| | | $moz_ldapsearch = "/usr/lib64/mozldap/ldapsearch"; |
| | | if (!is_file($moz_ldapsearch)) { |
| | | $moz_ldapsearch = "/usr/lib/mozldap/ldapsearch"; |
| | | } |
| | | if (!is_file($moz_ldapsearch)) { |
| | | $moz_ldapsearch = null; |
| | | } |
| | | |
| | | if (empty($moz_ldapsearch)) { |
| | | $this->_error("Mozilla LDAP C SDK binary ldapsearch not found, cannot get effective rights on subject $subject"); |
| | | return null; |
| | | } |
| | | |
| | | $command = array( |
| | | $moz_ldapsearch, |
| | | '-x', |
| | | '-h', |
| | | $this->_ldap_server, |
| | | '-p', |
| | | $this->_ldap_port, |
| | | '-b', |
| | | escapeshellarg($entry_dn), |
| | | '-D', |
| | | escapeshellarg($this->_current_bind_dn), |
| | | '-w', |
| | | escapeshellarg($this->_current_bind_pw), |
| | | '-J', |
| | | escapeshellarg(implode(':', array( |
| | | $effective_rights_control_oid, // OID |
| | | 'true', // Criticality |
| | | 'dn:' . $this->_current_bind_dn // User DN |
| | | ))), |
| | | '-s', |
| | | 'base', |
| | | '"(objectclass=*)"', |
| | | '"*"', |
| | | ); |
| | | |
| | | $command = implode(' ', $command); |
| | | |
| | | $this->_debug("LDAP: Executing command: $command"); |
| | | |
| | | exec($command, $output, $return_code); |
| | | |
| | | $this->_debug("LDAP: Command output:" . var_export($output, true)); |
| | | $this->_debug("Return code: " . $return_code); |
| | | |
| | | if ($return_code) { |
| | | $this->_error("Command $moz_ldapsearch returned error code: $return_code"); |
| | | return null; |
| | | } |
| | | |
| | | $lines = array(); |
| | | foreach ($output as $line_num => $line) { |
| | | if (substr($line, 0, 1) == " ") { |
| | | $lines[count($lines)-1] .= trim($line); |
| | | } |
| | | else { |
| | | $lines[] = trim($line); |
| | | } |
| | | } |
| | | |
| | | foreach ($lines as $line) { |
| | | $line_components = explode(':', $line); |
| | | $attribute_name = array_shift($line_components); |
| | | $attribute_value = trim(implode(':', $line_components)); |
| | | |
| | | switch ($attribute_name) { |
| | | case "attributeLevelRights": |
| | | $attributes[$attribute_name] = $this->parse_attribute_level_rights($attribute_value); |
| | | break; |
| | | case "dn": |
| | | $attributes[$attribute_name] = $attribute_value; |
| | | break; |
| | | case "entryLevelRights": |
| | | $attributes[$attribute_name] = $this->parse_entry_level_rights($attribute_value); |
| | | break; |
| | | |
| | | default: |
| | | break; |
| | | } |
| | | } |
| | | |
| | | return $attributes; |
| | | } |
| | | |
| | | /** |
| | | * Resolve entry data to entry DN |
| | | * |
| | | * @param string $subject Entry string (e.g. entry DN or unique attribute value) |
| | | * @param array $attributes Additional attributes |
| | | * @param string $base_dn Optional base DN |
| | | * |
| | | * @return string Entry DN string |
| | | */ |
| | | public function entry_dn($subject, $attributes = array(), $base_dn = null) |
| | | { |
| | | $this->_debug("entry_dn on subject $subject"); |
| | | $is_dn = ldap_explode_dn($subject, 1); |
| | | |
| | | if (is_array($is_dn) && array_key_exists("count", $is_dn) && $is_dn["count"] > 0) { |
| | | $this->_debug("$subject is a dn"); |
| | | return $subject; |
| | | } |
| | | |
| | | $this->_debug("$subject is not a dn"); |
| | | |
| | | if (strlen($subject) < 32 || preg_match('/[^a-fA-F0-9-]/', $subject)) { |
| | | $this->_debug("$subject is not a unique identifier"); |
| | | return; |
| | | } |
| | | |
| | | $unique_attr = $this->config_get('unique_attribute', 'nsuniqueid'); |
| | | |
| | | $this->_debug("Using unique_attribute " . var_export($unique_attr, true) . " at " . __FILE__ . ":" . __LINE__); |
| | | |
| | | $attributes = array_merge(array($unique_attr => $subject), (array)$attributes); |
| | | $subject = $this->entry_find_by_attribute($attributes, $base_dn); |
| | | |
| | | if (!empty($subject)) { |
| | | return key($subject); |
| | | } |
| | | } |
| | | |
| | | public function entry_find_by_attribute($attributes, $base_dn = null) |
| | | { |
| | | $this->_debug("Net_LDAP3::entry_find_by_attribute(\$attributes, \$base_dn) called with base_dn", $base_dn, "and attributes", $attributes); |
| | | |
| | | if (empty($attributes) || !is_array($attributes)) { |
| | | return false; |
| | | } |
| | | |
| | | if (empty($attributes[key($attributes)])) { |
| | | return false; |
| | | } |
| | | |
| | | $filter = count($attributes) ? "(&" : ""; |
| | | |
| | | foreach ($attributes as $key => $value) { |
| | | $filter .= "(" . $key . "=" . $value . ")"; |
| | | } |
| | | |
| | | $filter .= count($attributes) ? ")" : ""; |
| | | |
| | | if (empty($base_dn)) { |
| | | $base_dn = $this->config_get('root_dn'); |
| | | $this->_debug("Using base_dn from domain " . $this->domain . ": " . $base_dn); |
| | | } |
| | | |
| | | $result = $this->search($base_dn, $filter, 'sub', array_keys($attributes)); |
| | | |
| | | if ($result && $result->count() > 0) { |
| | | $this->_debug("Results found: " . implode(', ', array_keys($result->entries(true)))); |
| | | return $result->entries(true); |
| | | } |
| | | else { |
| | | $this->_debug("No result"); |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | public function find_user_groups($member_dn) |
| | | { |
| | | $groups = array(); |
| | | $root_dn = $this->config_get('root_dn'); |
| | | |
| | | // TODO: Do not query for both, it's either one or the other |
| | | $entries = $this->search($root_dn, "(|" . |
| | | "(&(objectclass=groupofnames)(member=$member_dn))" . |
| | | "(&(objectclass=groupofuniquenames)(uniquemember=$member_dn))" . |
| | | ")" |
| | | ); |
| | | |
| | | if ($entries) { |
| | | $groups = array_keys($entries->entries(true)); |
| | | } |
| | | |
| | | return $groups; |
| | | } |
| | | |
| | | public function get_entry_attribute($subject_dn, $attribute) |
| | | { |
| | | $entry = $this->get_entry_attributes($subject_dn, (array)$attribute); |
| | | |
| | | return $entry[strtolower($attribute)]; |
| | | } |
| | | |
| | | public function get_entry_attributes($subject_dn, $attributes) |
| | | { |
| | | // @TODO: use get_entry? |
| | | $result = $this->search($subject_dn, '(objectclass=*)', 'base', $attributes); |
| | | |
| | | if (!$result) { |
| | | return array(); |
| | | } |
| | | |
| | | $entries = $result->entries(true); |
| | | $entry_dn = key($entries); |
| | | $entry = $entries[$entry_dn]; |
| | | |
| | | return $entry; |
| | | } |
| | | |
| | | /** |
| | | * Get a specific LDAP entry, identified by its DN |
| | | * |
| | | * @param string $dn Record identifier |
| | | * @param array $attributes Attributes to return |
| | | * |
| | | * @return array Hash array |
| | | */ |
| | | public function get_entry($dn, $attributes = array()) |
| | | { |
| | | $rec = null; |
| | | |
| | | if ($this->conn && $dn) { |
| | | $this->_debug("C: Read [dn: $dn] [(objectclass=*)]"); |
| | | |
| | | if ($ldap_result = @ldap_read($this->conn, $dn, '(objectclass=*)', $attributes)) { |
| | | $this->_debug("S: OK"); |
| | | |
| | | if ($entry = ldap_first_entry($this->conn, $ldap_result)) { |
| | | $rec = ldap_get_attributes($this->conn, $entry); |
| | | } |
| | | } |
| | | else { |
| | | $this->_debug("S: ".ldap_error($this->conn)); |
| | | } |
| | | |
| | | if (!empty($rec)) { |
| | | $rec['dn'] = $dn; // Add in the dn for the entry. |
| | | } |
| | | } |
| | | |
| | | return $rec; |
| | | } |
| | | |
| | | public function list_replicas() |
| | | { |
| | | $this->_debug("Finding replicas for this server."); |
| | | |
| | | // Search any host that is a replica for the current host |
| | | $replica_hosts = $this->config_get('replica_hosts', array()); |
| | | $root_dn = $this->config_get('config_root_dn'); |
| | | |
| | | if (!empty($replica_hosts)) { |
| | | return $replica_hosts; |
| | | } |
| | | |
| | | $ldap = new Net_LDAP3($this->config); |
| | | $ldap->connect(); |
| | | $ldap->bind($this->_current_bind_dn, $this->_current_bind_pw); |
| | | |
| | | $result = $ldap->search($root_dn, '(objectclass=nsds5replicationagreement)', 'sub', array('nsds5replicahost')); |
| | | |
| | | if (!$result) { |
| | | $this->_debug("No replicas configured"); |
| | | return $replica_hosts; |
| | | } |
| | | |
| | | $this->_debug("Replication agreements found: " . var_export($result->entries(true), true)); |
| | | |
| | | foreach ($result->entries(true) as $dn => $attrs) { |
| | | if (!in_array($attrs['nsds5replicahost'], $replica_hosts)) { |
| | | $replica_hosts[] = $attrs['nsds5replicahost']; |
| | | } |
| | | } |
| | | |
| | | // $replica_hosts now holds the IDs of servers we are currently NOT |
| | | // connected to. We might need this later in order to set |
| | | $this->_server_id_not = $replica_hosts; |
| | | |
| | | $this->_debug("So far, we have the following replicas: " . var_export($replica_hosts, true)); |
| | | |
| | | $ldap->close(); |
| | | |
| | | foreach ($replica_hosts as $replica_host) { |
| | | $ldap->config_set('hosts', array($replica_host)); |
| | | $ldap->connect(); |
| | | $ldap->bind($this->_current_bind_dn, $this->_current_bind_pw); |
| | | |
| | | $result = $ldap->search($root_dn, '(objectclass=nsds5replicationagreement)', 'sub', array('nsds5replicahost')); |
| | | if (!$result) { |
| | | $this->_debug("No replicas configured"); |
| | | } |
| | | |
| | | foreach ($result->entries(true) as $dn => $attrs) { |
| | | if (!in_array($attrs['nsds5replicahost'], $replica_hosts)) { |
| | | $replica_hosts[] = $attrs['nsds5replicahost']; |
| | | } |
| | | } |
| | | |
| | | $ldap->close(); |
| | | } |
| | | |
| | | $this->config_set('replica_hosts', $replica_hosts); |
| | | |
| | | return $replica_hosts; |
| | | } |
| | | |
| | | public function login($username, $password, $domain = null) |
| | | { |
| | | $this->_debug("Net_LDAP3::login(\$username = '" . $username . "', \$password = '****', \$domain = '" . $domain . "')"); |
| | | |
| | | $_bind_dn = $this->config_get('service_bind_dn'); |
| | | $_bind_pw = $this->config_get('service_bind_pw'); |
| | | |
| | | if (empty($_bind_dn)) { |
| | | $this->_debug("No valid service bind dn found."); |
| | | return null; |
| | | } |
| | | |
| | | if (empty($_bind_pw)) { |
| | | $this->_debug("No valid service bind password found."); |
| | | return null; |
| | | } |
| | | |
| | | $bound = $this->bind($_bind_dn, $_bind_pw); |
| | | |
| | | if (!$bound) { |
| | | $this->_debug("Could not bind with service bind credentials."); |
| | | return null; |
| | | } |
| | | |
| | | $entry_dn = $this->entry_dn($username); |
| | | |
| | | if (!empty($entry_dn)) { |
| | | $bound = $this->bind($entry_dn, $password); |
| | | |
| | | if (!$bound) { |
| | | $this->_error("Could not bind with " . $entry_dn); |
| | | return null; |
| | | } |
| | | |
| | | return $entry_dn; |
| | | } |
| | | |
| | | $base_dn = $this->config_get('root_dn'); |
| | | |
| | | if (empty($base_dn)) { |
| | | $this->_debug("Could not get a valid base dn to search."); |
| | | return null; |
| | | } |
| | | |
| | | $localpart = $username; |
| | | |
| | | if (empty($domain) ) { |
| | | if (count(explode('@', $username)) > 1) { |
| | | $_parts = explode('@', $username); |
| | | $localpart = $_parts[0]; |
| | | $domain = $_parts[1]; |
| | | } |
| | | else { |
| | | $localpart = $username; |
| | | $domain = ''; |
| | | } |
| | | } |
| | | |
| | | $realm = $domain; |
| | | $filter = $this->config_get("login_filter", null); |
| | | |
| | | if (empty($filter)) { |
| | | $filter = $this->config_get("filter", null); |
| | | } |
| | | if (empty($filter)) { |
| | | $filter = "(&(|(mail=%s)(mail=%U@%d)(alias=%s)(alias=%U@%d)(uid=%s))(objectclass=inetorgperson))"; |
| | | } |
| | | |
| | | $this->_debug("Net::LDAP3::login() original filter: " . $filter); |
| | | |
| | | $replace_patterns = array( |
| | | '/%s/' => $username, |
| | | '/%d/' => $domain, |
| | | '/%U/' => $localpart, |
| | | '/%r/' => $realm |
| | | ); |
| | | |
| | | $filter = preg_replace(array_keys($replace_patterns), array_values($replace_patterns), $filter); |
| | | |
| | | $this->_debug("Net::LDAP3::login() actual filter: " . $filter); |
| | | |
| | | $result = $this->search($base_dn, $filter, 'sub'); |
| | | |
| | | if (!$result) { |
| | | $this->_debug("Could not search $base_dn with $filter"); |
| | | return null; |
| | | } |
| | | |
| | | if ($result->count() > 1) { |
| | | $this->_debug("Multiple entries found."); |
| | | return null; |
| | | } |
| | | else if ($result->count() < 1) { |
| | | $this->_debug("No entries found."); |
| | | return null; |
| | | } |
| | | |
| | | $entries = $result->entries(); |
| | | $entry = self::normalize_result($entries); |
| | | $entry_dn = key($entry); |
| | | |
| | | $bound = $this->bind($entry_dn, $password); |
| | | |
| | | if (!$bound) { |
| | | $this->_debug("Could not bind with " . $entry_dn); |
| | | return null; |
| | | } |
| | | |
| | | return $entry_dn; |
| | | } |
| | | |
| | | public function list_group_members($dn, $entry = null, $recurse = true) |
| | | { |
| | | $this->_debug("Called list_group_members(" . $dn . ")"); |
| | | |
| | | if (is_array($entry) && in_array('objectclass', $entry)) { |
| | | if (!in_array(array('groupofnames', 'groupofuniquenames', 'groupofurls'), $entry['objectclass'])) { |
| | | $this->_debug("Called list_group_members on a non-group!"); |
| | | return array(); |
| | | } |
| | | } |
| | | else { |
| | | $entry = $this->get_entry($dn, array('member', 'uniquemember', 'memberurl', 'objectclass')); |
| | | |
| | | if (!$entry) { |
| | | return array(); |
| | | } |
| | | } |
| | | |
| | | $group_members = array(); |
| | | |
| | | foreach ((array)$entry['objectclass'] as $objectclass) { |
| | | switch (strtolower($objectclass)) { |
| | | case "groupofnames": |
| | | case "kolabgroupofnames": |
| | | $group_members = array_merge($group_members, $this->list_group_member($dn, $entry['member'], $recurse)); |
| | | break; |
| | | case "groupofuniquenames": |
| | | case "kolabgroupofuniquenames": |
| | | $group_members = array_merge($group_members, $this->list_group_uniquemember($dn, $entry['uniquemember'], $recurse)); |
| | | break; |
| | | case "groupofurls": |
| | | $group_members = array_merge($group_members, $this->list_group_memberurl($dn, $entry['memberurl'], $recurse)); |
| | | break; |
| | | } |
| | | } |
| | | |
| | | return array_values(array_filter($group_members)); |
| | | } |
| | | |
| | | public function modify_entry($subject_dn, $old_attrs, $new_attrs) |
| | | { |
| | | $this->_debug("OLD ATTRIBUTES", $old_attrs); |
| | | $this->_debug("NEW ATTRIBUTES", $new_attrs); |
| | | |
| | | // TODO: Get $rdn_attr - we have type_id in $new_attrs |
| | | $dn_components = ldap_explode_dn($subject_dn, 0); |
| | | $rdn_components = explode('=', $dn_components[0]); |
| | | $rdn_attr = $rdn_components[0]; |
| | | |
| | | $this->_debug("Net_LDAP3::modify_entry() using rdn attribute: " . $rdn_attr); |
| | | |
| | | $mod_array = array( |
| | | 'add' => array(), // For use with ldap_mod_add() |
| | | 'del' => array(), // For use with ldap_mod_del() |
| | | 'replace' => array(), // For use with ldap_mod_replace() |
| | | 'rename' => array(), // For use with ldap_rename() |
| | | ); |
| | | |
| | | // This is me cheating. Remove this special attribute. |
| | | if (array_key_exists('ou', $old_attrs) || array_key_exists('ou', $new_attrs)) { |
| | | $old_ou = $old_attrs['ou']; |
| | | $new_ou = $new_attrs['ou']; |
| | | unset($old_attrs['ou']); |
| | | unset($new_attrs['ou']); |
| | | } |
| | | else { |
| | | $old_ou = null; |
| | | $new_ou = null; |
| | | } |
| | | |
| | | // Compare each attribute value of the old attrs with the corresponding value |
| | | // in the new attrs, if any. |
| | | foreach ($old_attrs as $attr => $old_attr_value) { |
| | | if (is_array($old_attr_value)) { |
| | | if (count($old_attr_value) == 1) { |
| | | $old_attrs[$attr] = $old_attr_value[0]; |
| | | $old_attr_value = $old_attrs[$attr]; |
| | | } |
| | | } |
| | | |
| | | if (array_key_exists($attr, $new_attrs)) { |
| | | if (is_array($new_attrs[$attr])) { |
| | | if (count($new_attrs[$attr]) == 1) { |
| | | $new_attrs[$attr] = $new_attrs[$attr][0]; |
| | | } |
| | | } |
| | | |
| | | if (is_array($old_attrs[$attr]) && is_array($new_attrs[$attr])) { |
| | | $_sort1 = $new_attrs[$attr]; |
| | | sort($_sort1); |
| | | $_sort2 = $old_attr_value; |
| | | sort($_sort2); |
| | | } |
| | | else { |
| | | $_sort1 = true; |
| | | $_sort2 = false; |
| | | } |
| | | |
| | | if ($new_attrs[$attr] !== $old_attr_value && $_sort1 !== $_sort2) { |
| | | $this->_debug("Attribute $attr changed from " . var_export($old_attr_value, true) . " to " . var_export($new_attrs[$attr], true)); |
| | | if ($attr === $rdn_attr) { |
| | | $this->_debug("This attribute is the RDN attribute. Let's see if it is multi-valued, and if the original still exists in the new value."); |
| | | if (is_array($old_attrs[$attr])) { |
| | | if (!is_array($new_attrs[$attr])) { |
| | | if (in_array($new_attrs[$attr], $old_attrs[$attr])) { |
| | | // TODO: Need to remove all $old_attrs[$attr] values not equal to $new_attrs[$attr], and not equal to the current $rdn_attr value [0] |
| | | |
| | | $this->_debug("old attrs. is array, new attrs. is not array. new attr. exists in old attrs."); |
| | | |
| | | $rdn_attr_value = array_shift($old_attrs[$attr]); |
| | | $_attr_to_remove = array(); |
| | | |
| | | foreach ($old_attrs[$attr] as $value) { |
| | | if (strtolower($value) != strtolower($new_attrs[$attr])) { |
| | | $_attr_to_remove[] = $value; |
| | | } |
| | | } |
| | | |
| | | $this->_debug("Adding to delete attribute $attr values:" . implode(', ', $_attr_to_remove)); |
| | | |
| | | $mod_array['del'][$attr] = $_attr_to_remove; |
| | | |
| | | if (strtolower($new_attrs[$attr]) !== strtolower($rdn_attr_value)) { |
| | | $this->_debug("new attrs is not the same as the old rdn value, issuing a rename"); |
| | | $mod_array['rename']['dn'] = $subject_dn; |
| | | $mod_array['rename']['new_rdn'] = $rdn_attr . '=' . $new_attrs[$attr][0]; |
| | | } |
| | | } |
| | | else { |
| | | $this->_debug("new attrs is not the same as any of the old rdn value, issuing a full rename"); |
| | | $mod_array['rename']['dn'] = $subject_dn; |
| | | $mod_array['rename']['new_rdn'] = $rdn_attr . '=' . $new_attrs[$attr]; |
| | | } |
| | | } |
| | | else { |
| | | // TODO: See if the rdn attr. value is still in $new_attrs[$attr] |
| | | if (in_array($old_attrs[$attr][0], $new_attrs[$attr])) { |
| | | $this->_debug("Simply replacing attr $attr as rdn attr value is preserved."); |
| | | $mod_array['replace'][$attr] = $new_attrs[$attr]; |
| | | } |
| | | else { |
| | | // TODO: This fails. |
| | | $mod_array['rename']['dn'] = $subject_dn; |
| | | $mod_array['rename']['new_rdn'] = $rdn_attr . '=' . $new_attrs[$attr][0]; |
| | | $mod_array['del'][$attr] = $old_attrs[$attr][0]; |
| | | } |
| | | } |
| | | } |
| | | else { |
| | | if (!is_array($new_attrs[$attr])) { |
| | | $this->_debug("Renaming " . $old_attrs[$attr] . " to " . $new_attrs[$attr]); |
| | | $mod_array['rename']['dn'] = $subject_dn; |
| | | $mod_array['rename']['new_rdn'] = $rdn_attr . '=' . $new_attrs[$attr]; |
| | | } |
| | | else { |
| | | $this->_debug("Adding to replace"); |
| | | // An additional attribute value is being supplied. Just replace and continue. |
| | | $mod_array['replace'][$attr] = $new_attrs[$attr]; |
| | | continue; |
| | | } |
| | | } |
| | | |
| | | } |
| | | else { |
| | | if (!isset($new_attrs[$attr]) || $new_attrs[$attr] === '' || (is_array($new_attrs[$attr]) && empty($new_attrs[$attr]))) { |
| | | switch ($attr) { |
| | | case "userpassword": |
| | | break; |
| | | default: |
| | | $this->_debug("Adding to del: $attr"); |
| | | $mod_array['del'][$attr] = (array)($old_attr_value); |
| | | break; |
| | | } |
| | | } |
| | | else { |
| | | $this->_debug("Adding to replace: $attr"); |
| | | $mod_array['replace'][$attr] = (array)($new_attrs[$attr]); |
| | | } |
| | | } |
| | | } |
| | | else { |
| | | $this->_debug("Attribute $attr unchanged"); |
| | | } |
| | | } |
| | | else { |
| | | // TODO: Since we're not shipping the entire object back and forth, and only post |
| | | // part of the data... we don't know what is actually removed (think modifiedtimestamp, etc.) |
| | | $this->_debug("Group attribute $attr not mentioned in \$new_attrs..., but not explicitly removed... by assumption"); |
| | | } |
| | | } |
| | | |
| | | foreach ($new_attrs as $attr => $value) { |
| | | // OU's parent base dn |
| | | if ($attr == 'base_dn') { |
| | | continue; |
| | | } |
| | | |
| | | if (is_array($value)) { |
| | | if (count($value) == 1) { |
| | | $new_attrs[$attr] = $value[0]; |
| | | $value = $new_attrs[$attr]; |
| | | } |
| | | } |
| | | |
| | | if (array_key_exists($attr, $old_attrs)) { |
| | | if (is_array($old_attrs[$attr])) { |
| | | if (count($old_attrs[$attr]) == 1) { |
| | | $old_attrs[$attr] = $old_attrs[$attr][0]; |
| | | } |
| | | } |
| | | |
| | | if (is_array($new_attrs[$attr]) && is_array($old_attrs[$attr])) { |
| | | $_sort1 = $old_attrs[$attr]; |
| | | sort($_sort1); |
| | | $_sort2 = $value; |
| | | sort($_sort2); |
| | | } |
| | | else { |
| | | $_sort1 = true; |
| | | $_sort2 = false; |
| | | } |
| | | |
| | | if ($value === null || $value === '' || (is_array($value) && empty($value))) { |
| | | if (!array_key_exists($attr, $mod_array['del'])) { |
| | | switch ($attr) { |
| | | case 'userpassword': |
| | | break; |
| | | default: |
| | | $this->_debug("Adding to del(2): $attr"); |
| | | $mod_array['del'][$attr] = (array)($old_attrs[$attr]); |
| | | break; |
| | | } |
| | | } |
| | | } |
| | | else { |
| | | if (!($old_attrs[$attr] === $value) && !($attr === $rdn_attr) && !($_sort1 === $_sort2)) { |
| | | if (!array_key_exists($attr, $mod_array['replace'])) { |
| | | $this->_debug("Adding to replace(2): $attr"); |
| | | $mod_array['replace'][$attr] = $value; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | else { |
| | | if (!empty($value)) { |
| | | $mod_array['add'][$attr] = $value; |
| | | } |
| | | } |
| | | } |
| | | |
| | | if (empty($old_ou)) { |
| | | $subject_dn_components = ldap_explode_dn($subject_dn, 0); |
| | | unset($subject_dn_components["count"]); |
| | | $subject_rdn = array_shift($subject_dn_components); |
| | | $old_ou = implode(',', $subject_dn_components); |
| | | } |
| | | |
| | | // object is an organizational unit |
| | | if (strpos($subject_dn, 'ou=' . $old_ou) === 0) { |
| | | $root = substr($subject_dn, strlen($old_ou) + 4); // remove ou=*, |
| | | |
| | | if ((!empty($new_attrs['base_dn']) && strtolower($new_attrs['base_dn']) !== strtolower($root)) |
| | | || (strtolower($old_ou) !== strtolower($new_ou)) |
| | | ) { |
| | | if (!empty($new_attrs['base_dn'])) { |
| | | $root = $new_attrs['base_dn']; |
| | | } |
| | | |
| | | $mod_array['rename']['new_parent'] = $root; |
| | | $mod_array['rename']['dn'] = $subject_dn; |
| | | $mod_array['rename']['new_rdn'] = 'ou=' . $new_ou; |
| | | } |
| | | } |
| | | // not OU object, but changed ou attribute |
| | | else if ((!empty($old_ou) && !empty($new_ou)) && strtolower($old_ou) !== strtolower($new_ou)) { |
| | | $mod_array['rename']['new_parent'] = $new_ou; |
| | | if (empty($mod_array['rename']['dn']) || empty($mod_array['rename']['new_rdn'])) { |
| | | $mod_array['rename']['dn'] = $subject_dn; |
| | | $mod_array['rename']['new_rdn'] = $rdn_attr . '=' . $new_attrs[$rdn_attr]; |
| | | } |
| | | } |
| | | |
| | | $this->_debug($mod_array); |
| | | |
| | | $result = $this->modify_entry_attributes($subject_dn, $mod_array); |
| | | |
| | | if ($result) { |
| | | return $mod_array; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Bind connection with (SASL-) user and password |
| | | * |
| | | * @param string $authc Authentication user |
| | | * @param string $pass Bind password |
| | | * @param string $authz Autorization user |
| | | * |
| | | * @return boolean True on success, False on error |
| | | */ |
| | | public function sasl_bind($authc, $pass, $authz=null) |
| | | { |
| | | if (!$this->conn) { |
| | | return false; |
| | | } |
| | | |
| | | if (!function_exists('ldap_sasl_bind')) { |
| | | $this->_error("Unable to bind: ldap_sasl_bind() not exists"); |
| | | return false; |
| | | } |
| | | |
| | | if (!empty($authz)) { |
| | | $authz = 'u:' . $authz; |
| | | } |
| | | |
| | | $method = $this->config_get('auth_method'); |
| | | if (empty($method)) { |
| | | $method = 'DIGEST-MD5'; |
| | | } |
| | | |
| | | $this->_debug("C: Bind [mech: $method, authc: $authc, authz: $authz] [pass: $pass]"); |
| | | |
| | | if (ldap_sasl_bind($this->conn, null, $pass, $method, null, $authc, $authz)) { |
| | | $this->_debug("S: OK"); |
| | | return true; |
| | | } |
| | | |
| | | $this->_debug("S: ".ldap_error($this->conn)); |
| | | $this->_error("Bind failed for authcid=$authc ".ldap_error($this->conn)); |
| | | |
| | | return false; |
| | | } |
| | | |
| | | /** |
| | | * Execute LDAP search |
| | | * |
| | | * @param string $base_dn Base DN to use for searching |
| | | * @param string $filter Filter string to query |
| | | * @param string $scope The LDAP scope (list|sub|base) |
| | | * @param array $attrs List of entry attributes to read |
| | | * @param array $prop Hash array with query configuration properties: |
| | | * - sort: array of sort attributes (has to be in sync with the VLV index) |
| | | * - search: search string used for VLV controls |
| | | * @param bool $count_only Set to true if only entry count is requested |
| | | * |
| | | * @return mixed Net_LDAP3_Result object or number of entries (if $count_only=true) or False on failure |
| | | */ |
| | | public function search($base_dn, $filter = '(objectclass=*)', $scope = 'sub', $attrs = array('dn'), $props = array(), $count_only = false) |
| | | { |
| | | if (!$this->conn) { |
| | | $this->_debug("No active connection for " . __CLASS__ . "::" . __FUNCTION__); |
| | | return false; |
| | | } |
| | | |
| | | $this->_debug("C: Search base dn: [$base_dn] scope [$scope] with filter [$filter]"); |
| | | |
| | | // make sure attributes list is not empty |
| | | if (empty($attrs)) { |
| | | $attrs = array('dn'); |
| | | } |
| | | |
| | | if (!$count_only && ($sort = $this->find_vlv($base_dn, $filter, $scope, $props['sort']))) { |
| | | // when using VLV, we get the total count by... |
| | | // ...either reading numSubOrdinates attribute |
| | | if (($sub_filter = $this->config_get('numsub_filter')) && |
| | | ($result_count = @$ns_function($this->conn, $base_dn, $sub_filter, array('numSubOrdinates'), 0, 0, 0)) |
| | | ) { |
| | | $counts = ldap_get_entries($this->conn, $result_count); |
| | | for ($vlv_count = $j = 0; $j < $counts['count']; $j++) { |
| | | $vlv_count += $counts[$j]['numsubordinates'][0]; |
| | | } |
| | | $this->_debug("D: total numsubordinates = " . $vlv_count); |
| | | } |
| | | // ...or by fetching all records dn and count them |
| | | else if (!function_exists('ldap_parse_virtuallist_control')) { |
| | | $vlv_count = $this->search($base_dn, $filter, $scope, array('dn'), $props, true); |
| | | } |
| | | |
| | | $this->vlv_active = $this->_vlv_set_controls($sort, $this->list_page, $this->page_size, |
| | | $this->_vlv_search($sort, $props['search'])); |
| | | } |
| | | else { |
| | | $this->vlv_active = false; |
| | | } |
| | | |
| | | $function = self::scope_to_function($scope, $ns_function); |
| | | $sizelimit = (int) $this->config['sizelimit']; |
| | | $timelimit = (int) $this->config['timelimit']; |
| | | |
| | | $this->_debug("Using function $function on scope $scope (\$ns_function is $ns_function)"); |
| | | |
| | | if ($this->vlv_active) { |
| | | if (!empty($this->additional_filter)) { |
| | | $filter = "(&" . $filter . $this->additional_filter . ")"; |
| | | $this->_debug("C: (With VLV) Setting a filter (with additional filter) of " . $filter); |
| | | } |
| | | else { |
| | | $this->_debug("C: (With VLV) Setting a filter (without additional filter) of " . $filter); |
| | | } |
| | | } |
| | | else { |
| | | if (!empty($this->additional_filter)) { |
| | | $filter = "(&" . $filter . $this->additional_filter . ")"; |
| | | } |
| | | $this->_debug("C: (Without VLV) Setting a filter of " . $filter); |
| | | } |
| | | |
| | | $this->_debug("Executing search with return attributes: " . var_export($attrs, true)); |
| | | |
| | | $ldap_result = @$function($this->conn, $base_dn, $filter, $attrs, 0, $sizelimit, $timelimit); |
| | | |
| | | if (!$ldap_result) { |
| | | $this->_debug("$function failed for dn=$base_dn: ".ldap_error($this->conn)); |
| | | return false; |
| | | } |
| | | |
| | | // when running on a patched PHP we can use the extended functions |
| | | // to retrieve the total count from the LDAP search result |
| | | if ($this->vlv_active && function_exists('ldap_parse_virtuallist_control')) { |
| | | if (ldap_parse_result($this->conn, $ldap_result, $errcode, $matcheddn, $errmsg, $referrals, $serverctrls)) { |
| | | ldap_parse_virtuallist_control($this->conn, $serverctrls, $last_offset, $vlv_count, $vresult); |
| | | $this->_debug("S: VLV result: last_offset=$last_offset; content_count=$vlv_count"); |
| | | } |
| | | else { |
| | | $this->_debug("S: ".($errmsg ? $errmsg : ldap_error($this->conn))); |
| | | } |
| | | } |
| | | else if ($this->debug) { |
| | | $this->_debug("S: ".ldap_count_entries($this->conn, $ldap_result)." record(s) found"); |
| | | } |
| | | |
| | | $result = new Net_LDAP3_Result($this->conn, $base_dn, $filter, $scope, $ldap_result); |
| | | $result->set('offset', $last_offset); |
| | | $result->set('count', $vlv_count); |
| | | $result->set('vlv', true); |
| | | |
| | | return $count_only ? $result->count() : $result; |
| | | } |
| | | |
| | | /** |
| | | * Similar to Net_LDAP3::search() but using a search array with multiple |
| | | * keys and values that to continue to use the VLV but with an original |
| | | * filter adding the search stuff to an additional filter. |
| | | * |
| | | * @see Net_LDAP3::search() |
| | | */ |
| | | public function search_entries($base_dn, $filter = '(objectclass=*)', $scope = 'sub', $attrs = array('dn'), $props = array()) |
| | | { |
| | | $this->_debug("Net_LDAP3::search_entries with search " . var_export($props, true)); |
| | | |
| | | if (is_array($props['search']) && array_key_exists('params', $props['search'])) { |
| | | $_search = $this->search_filter($props['search']); |
| | | $this->_debug("C: Search filter: $_search"); |
| | | |
| | | if (!empty($_search)) { |
| | | $this->additional_filter = $_search; |
| | | } |
| | | else { |
| | | $this->additional_filter = "(|"; |
| | | |
| | | foreach ($props['search'] as $attr => $value) { |
| | | $this->additional_filter .= "(" . $attr . "=" . $this->_fuzzy_search_prefix() . $value . $this->_fuzzy_search_suffix() . ")"; |
| | | } |
| | | |
| | | $this->additional_filter .= ")"; |
| | | } |
| | | |
| | | $this->_debug("C: Setting an additional filter " . $this->additional_filter); |
| | | } |
| | | |
| | | $search = $this->search($base_dn, $filter, $scope, $attrs, $props); |
| | | |
| | | $this->additional_filter = null; |
| | | |
| | | if (!$search) { |
| | | $this->_debug("Net_LDAP3: Search did not succeed!"); |
| | | return false; |
| | | } |
| | | |
| | | return $search; |
| | | } |
| | | |
| | | /** |
| | | * Create LDAP search filter string according to defined parameters. |
| | | */ |
| | | public function search_filter($search) |
| | | { |
| | | if (empty($search) || !is_array($search) || empty($search['params'])) { |
| | | return null; |
| | | } |
| | | |
| | | $operators = array('=', '~=', '>=', '<='); |
| | | $filter = ''; |
| | | |
| | | foreach ((array) $search['params'] as $field => $param) { |
| | | switch ((string)$param['type']) { |
| | | case 'prefix': |
| | | $prefix = ''; |
| | | $suffix = '*'; |
| | | break; |
| | | |
| | | case 'suffix': |
| | | $prefix = '*'; |
| | | $suffix = ''; |
| | | break; |
| | | |
| | | case 'exact': |
| | | case '=': |
| | | case '~=': |
| | | case '>=': |
| | | case '<=': |
| | | $prefix = ''; |
| | | $suffix = ''; |
| | | break; |
| | | |
| | | case 'exists': |
| | | $prefix = '*'; |
| | | $suffix = ''; |
| | | $param['value'] = ''; |
| | | break; |
| | | |
| | | case 'both': |
| | | default: |
| | | $prefix = '*'; |
| | | $suffix = '*'; |
| | | break; |
| | | } |
| | | |
| | | $operator = $param['type'] && in_array($param['type'], $operators) ? $param['type'] : '='; |
| | | |
| | | if (is_array($param['value'])) { |
| | | $val_filter = array(); |
| | | foreach ($param['value'] as $val) { |
| | | $value = self::quote_string($val); |
| | | $val_filter[] = "(" . $field . $operator . $prefix . $value . $suffix . ")"; |
| | | } |
| | | $filter .= "(|" . implode($val_filter, '') . ")"; |
| | | } |
| | | else { |
| | | $value = self::quote_string($param['value']); |
| | | $filter .= "(" . $field . $operator . $prefix . $value . $suffix . ")"; |
| | | } |
| | | } |
| | | |
| | | // join search parameters with specified operator ('OR' or 'AND') |
| | | if (count($search['params']) > 1) { |
| | | $filter = '(' . ($search['operator'] == 'AND' ? '&' : '|') . $filter . ')'; |
| | | } |
| | | |
| | | return $filter; |
| | | } |
| | | |
| | | /** |
| | | * Set properties for VLV-based paging |
| | | * |
| | | * @param number $page Page number to list (starting at 1) |
| | | * @param number $size Number of entries to display on one page |
| | | */ |
| | | public function set_vlv_page($page, $size = 10) |
| | | { |
| | | $this->list_page = $page; |
| | | $this->page_size = $size; |
| | | } |
| | | |
| | | /** |
| | | * Turn an LDAP entry into a regular PHP array with attributes as keys. |
| | | * |
| | | * @param array $entry Attributes array as retrieved from ldap_get_attributes() or ldap_get_entries() |
| | | * |
| | | * @return array Hash array with attributes as keys |
| | | */ |
| | | public static function normalize_entry($entry) |
| | | { |
| | | $rec = array(); |
| | | for ($i=0; $i < $entry['count']; $i++) { |
| | | $attr = $entry[$i]; |
| | | for ($j=0; $j < $entry[$attr]['count']; $j++) { |
| | | $rec[$attr][$j] = $entry[$attr][$j]; |
| | | } |
| | | } |
| | | |
| | | return $rec; |
| | | } |
| | | |
| | | /** |
| | | * Normalize a ldap result by converting entry attribute arrays into single values |
| | | */ |
| | | public static function normalize_result($_result) |
| | | { |
| | | if (!is_array($_result)) { |
| | | return array(); |
| | | } |
| | | |
| | | $result = array(); |
| | | |
| | | for ($x = 0; $x < $_result['count']; $x++) { |
| | | $dn = $_result[$x]['dn']; |
| | | $result[$dn] = array(); |
| | | for ($y = 0; $y < $_result[$x]['count']; $y++) { |
| | | $attr = $_result[$x][$y]; |
| | | if ($_result[$x][$attr]['count'] == 1) { |
| | | switch ($attr) { |
| | | case 'objectclass': |
| | | $result[$dn][$attr] = array(strtolower($_result[$x][$attr][0])); |
| | | break; |
| | | default: |
| | | $result[$dn][$attr] = $_result[$x][$attr][0]; |
| | | break; |
| | | } |
| | | } |
| | | else { |
| | | $result[$dn][$attr] = array(); |
| | | for ($z = 0; $z < $_result[$x][$attr]['count']; $z++) { |
| | | switch ($attr) { |
| | | case 'objectclass': |
| | | $result[$dn][$attr][] = strtolower($_result[$x][$attr][$z]); |
| | | break; |
| | | default: |
| | | $result[$dn][$attr][] = $_result[$x][$attr][$z]; |
| | | break; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | return $result; |
| | | } |
| | | |
| | | public static function scopeint2str($scope) |
| | | { |
| | | switch ($scope) { |
| | | case 2: |
| | | return 'sub'; |
| | | break; |
| | | case 1: |
| | | return 'one'; |
| | | break; |
| | | case 0: |
| | | return 'base'; |
| | | break; |
| | | default: |
| | | $this->_debug("Scope $scope is not a valid scope integer"); |
| | | break; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Choose the right PHP function according to scope property |
| | | * |
| | | * @param string $scope The LDAP scope (sub|base|list) |
| | | * @param string $ns_function Function to be used for numSubOrdinates queries |
| | | * @return string PHP function to be used to query directory |
| | | */ |
| | | public static function scope_to_function($scope, &$ns_function = null) |
| | | { |
| | | switch ($scope) { |
| | | case 'sub': |
| | | $function = $ns_function = 'ldap_search'; |
| | | break; |
| | | case 'base': |
| | | $function = $ns_function = 'ldap_read'; |
| | | break; |
| | | case 'one': |
| | | case 'list': |
| | | default: |
| | | $function = 'ldap_list'; |
| | | $ns_function = 'ldap_read'; |
| | | break; |
| | | } |
| | | |
| | | return $function; |
| | | } |
| | | |
| | | private function config_set_config_get_hook($callback) |
| | | { |
| | | $this->_config_get_hook = $callback; |
| | | } |
| | | |
| | | private function config_set_config_set_hook($callback) |
| | | { |
| | | $this->_config_set_hook = $callback; |
| | | } |
| | | |
| | | /** |
| | | * Sets the debug level both for this class and the ldap connection. |
| | | */ |
| | | private function config_set_debug($value) |
| | | { |
| | | $this->config['debug'] = (bool) $value; |
| | | if ((int)($value) > 0) { |
| | | ldap_set_option(null, LDAP_OPT_DEBUG_LEVEL, (int)($value)); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Sets a log hook that is called with every log message in this module. |
| | | */ |
| | | private function config_set_log_hook($callback) |
| | | { |
| | | $this->_log_hook = $callback; |
| | | } |
| | | |
| | | /** |
| | | * Find a matching VLV |
| | | */ |
| | | protected function find_vlv($base_dn, $filter, $scope, $sort_attrs = null) |
| | | { |
| | | if ($scope == 'base') { |
| | | return false; |
| | | } |
| | | |
| | | $vlv_indexes = $this->find_vlv_indexes_and_searches(); |
| | | |
| | | if (empty($vlv_indexes)) { |
| | | return false; |
| | | } |
| | | |
| | | $this->_debug("Existing vlv index and search information", $vlv_indexes); |
| | | |
| | | $filter = strtolower($filter); |
| | | |
| | | foreach ($vlv_indexes as $vlv_index) { |
| | | if (!empty($vlv_index[$base_dn])) { |
| | | $this->_debug("Found a VLV for base_dn: " . $base_dn); |
| | | if ($vlv_index[$base_dn]['filter'] == $filter) { |
| | | if ($vlv_index[$base_dn]['scope'] == $scope) { |
| | | $this->_debug("Scope and filter matches"); |
| | | |
| | | // Not passing any sort attributes means you don't care |
| | | if (!empty($sort_attrs)) { |
| | | $sort_attrs = (array) $sort_attrs; |
| | | if (count(array_intersect($sort_attrs, $vlv_index[$base_dn]['sort'])) == count($sort_attrs)) { |
| | | return $sort_attrs; |
| | | } |
| | | else { |
| | | return false; |
| | | } |
| | | } |
| | | else { |
| | | return $vlv_index[$base_dn]['sort'][0]; |
| | | } |
| | | } |
| | | else { |
| | | $this->_debug("Scope does not match. VLV: " . var_export($vlv_index[$base_dn]['scope'], true) |
| | | . " while looking for " . var_export($scope, true)); |
| | | return false; |
| | | } |
| | | } |
| | | else { |
| | | $this->_debug("Filter does not match"); |
| | | } |
| | | } |
| | | } |
| | | |
| | | return false; |
| | | } |
| | | |
| | | /** |
| | | * Return VLV indexes and searches including necessary configuration |
| | | * details. |
| | | */ |
| | | protected function find_vlv_indexes_and_searches() |
| | | { |
| | | if ($this->config['vlv'] === false) { |
| | | return false; |
| | | } |
| | | |
| | | if (is_array($this->config['vlv'])) { |
| | | return $this->config['vlv']; |
| | | } |
| | | |
| | | if ($this->_vlv_indexes_and_searches !== null) { |
| | | return $this->_vlv_indexes_and_searches; |
| | | } |
| | | |
| | | $this->_vlv_indexes_and_searches = array(); |
| | | |
| | | $config_root_dn = $this->config_get('config_root_dn'); |
| | | |
| | | if (empty($config_root_dn)) { |
| | | return array(); |
| | | } |
| | | |
| | | if ($this->cache && ($cached_config = $this->cache->get('vlvconfig'))) { |
| | | $this->_vlv_indexes_and_searches = $cached_config; |
| | | return $this->_vlv_indexes_and_searches; |
| | | } |
| | | |
| | | $this->_debug("No VLV information available yet, refreshing"); |
| | | |
| | | $search_filter = '(objectclass=vlvsearch)'; |
| | | $search_result = ldap_search($this->conn, $config_root_dn, $search_filter, array('*'), 0, 0, 0); |
| | | |
| | | if ($search_result === false) { |
| | | $this->_debug("Search for '$search_filter' on '$config_root_dn' failed:".ldap_error($this->conn)); |
| | | return; |
| | | } |
| | | |
| | | $vlv_searches = new Net_LDAP3_Result($this->conn, $config_root_dn, $search_filter, 'sub', $search_result); |
| | | |
| | | if ($vlv_searches->count() < 1) { |
| | | $this->_debug("Empty result from search for '(objectclass=vlvsearch)' on '$config_root_dn'"); |
| | | return; |
| | | } |
| | | |
| | | $index_filter = '(objectclass=vlvindex)'; |
| | | |
| | | foreach ($vlv_searches->entries(true) as $vlv_search_dn => $vlv_search_attrs) { |
| | | // The attributes we are interested in are as follows: |
| | | $_vlv_base_dn = $vlv_search_attrs['vlvbase']; |
| | | $_vlv_scope = $vlv_search_attrs['vlvscope']; |
| | | $_vlv_filter = $vlv_search_attrs['vlvfilter']; |
| | | |
| | | // Multiple indexes may exist |
| | | $index_result = ldap_search($this->conn, $vlv_search_dn, $index_filter, array('*'), 0, 0, 0); |
| | | |
| | | if ($index_result === false) { |
| | | $this->_debug("Search for '$index_filter' on '$vlv_search_dn' failed:".ldap_error($this->conn)); |
| | | continue; |
| | | } |
| | | |
| | | $vlv_indexes = new Net_LDAP3_Result($this->conn, $vlv_search_dn, $index_filter, 'sub', $index_result); |
| | | $vlv_indexes = $vlv_indexes->entries(true); |
| | | |
| | | // Reset this one for each VLV search. |
| | | $_vlv_sort = array(); |
| | | |
| | | foreach ($vlv_indexes as $vlv_index_dn => $vlv_index_attrs) { |
| | | $_vlv_sort[] = explode(' ', $vlv_index_attrs['vlvsort']); |
| | | } |
| | | |
| | | $this->_vlv_indexes_and_searches[] = array( |
| | | $_vlv_base_dn => array( |
| | | 'scope' => self::scopeint2str($_vlv_scope), |
| | | 'filter' => strtolower($_vlv_filter), |
| | | 'sort' => $_vlv_sort, |
| | | ), |
| | | ); |
| | | } |
| | | |
| | | // cache this |
| | | if ($this->cache) { |
| | | $this->cache->set('vlvconfig', $this->_vlv_indexes_and_searches); |
| | | } |
| | | |
| | | return $this->_vlv_indexes_and_searches; |
| | | } |
| | | |
| | | private function init_schema() |
| | | { |
| | | // use PEAR include if autoloading failed |
| | | if (!class_exists('Net_LDAP2')) { |
| | | require_once('Net/LDAP2.php'); |
| | | } |
| | | |
| | | $port = $this->config_get('port', 389); |
| | | $tls = $this->config_get('use_tls', false); |
| | | |
| | | foreach ((array) $this->config_get('hosts') as $host) { |
| | | $this->_debug("C: Connect [$host:$port]"); |
| | | |
| | | $_ldap_cfg = array( |
| | | 'host' => $host, |
| | | 'port' => $port, |
| | | 'tls' => $tls, |
| | | 'version' => 3, |
| | | 'binddn' => $this->config_get('service_bind_dn'), |
| | | 'bindpw' => $this->config_get('service_bind_pw') |
| | | ); |
| | | |
| | | $_ldap_schema_cache_cfg = array( |
| | | 'path' => "/tmp/" . $host . ":" . ($port ? $port : '389') . "-Net_LDAP2_Schema.cache", |
| | | 'max_age' => 86400, |
| | | ); |
| | | |
| | | $_ldap = Net_LDAP2::connect($_ldap_cfg); |
| | | |
| | | if (!is_a($_ldap, 'Net_LDAP2_Error')) { |
| | | $this->_debug("S: OK"); |
| | | break; |
| | | } |
| | | |
| | | $this->_debug("S: NOT OK"); |
| | | $this->_debug($_ldap->getMessage()); |
| | | } |
| | | |
| | | if (is_a($_ldap, 'Net_LDAP2_Error')) { |
| | | return null; |
| | | } |
| | | |
| | | $_ldap_schema_cache = new Net_LDAP2_SimpleFileSchemaCache($_ldap_schema_cache_cfg); |
| | | |
| | | $_ldap->registerSchemaCache($_ldap_schema_cache); |
| | | |
| | | // TODO: We should learn what LDAP tech. we're running against. |
| | | // Perhaps with a scope base objectclass recognize rootdse entry |
| | | $schema_root_dn = $this->config_get('schema_root_dn'); |
| | | |
| | | if (!$schema_root_dn) { |
| | | $_schema = $_ldap->schema(); |
| | | } |
| | | |
| | | return $_schema; |
| | | } |
| | | |
| | | private function list_group_member($dn, $members, $recurse = true) |
| | | { |
| | | $this->_debug("Called list_group_member(" . $dn . ")"); |
| | | |
| | | $members = (array) $members; |
| | | $group_members = array(); |
| | | |
| | | // remove possible 'count' item |
| | | unset($members['count']); |
| | | |
| | | // Use the member attributes to return an array of member ldap objects |
| | | // NOTE that the member attribute is supposed to contain a DN |
| | | foreach ($members as $member) { |
| | | $member_entry = $this->get_entry($member, array('member', 'uniquemember', 'memberurl', 'objectclass')); |
| | | |
| | | if (empty($member_entry)) { |
| | | continue; |
| | | } |
| | | |
| | | $group_members[$member] = $member; |
| | | |
| | | if ($recurse) { |
| | | // Nested groups |
| | | $group_group_members = $this->list_group_members($member, $member_entry); |
| | | if ($group_group_members) { |
| | | $group_members = array_merge($group_group_members, $group_members); |
| | | } |
| | | } |
| | | } |
| | | |
| | | return array_filter($group_members); |
| | | } |
| | | |
| | | private function list_group_uniquemember($dn, $uniquemembers, $recurse = true) |
| | | { |
| | | $this->_debug("Called list_group_uniquemember(" . $dn . ")", $entry); |
| | | |
| | | $uniquemembers = (array)($uniquemembers); |
| | | $group_members = array(); |
| | | |
| | | // remove possible 'count' item |
| | | unset($uniquemembers['count']); |
| | | |
| | | foreach ($uniquemembers as $member) { |
| | | $member_entry = $this->get_entry($member, array('member', 'uniquemember', 'memberurl', 'objectclass')); |
| | | |
| | | if (empty($member_entry)) { |
| | | continue; |
| | | } |
| | | |
| | | $group_members[$member] = $member; |
| | | |
| | | if ($recurse) { |
| | | // Nested groups |
| | | $group_group_members = $this->list_group_members($member, $member_entry); |
| | | if ($group_group_members) { |
| | | $group_members = array_merge($group_group_members, $group_members); |
| | | } |
| | | } |
| | | } |
| | | |
| | | return array_filter($group_members); |
| | | } |
| | | |
| | | private function list_group_memberurl($dn, $memberurls, $recurse = true) |
| | | { |
| | | $this->_debug("Called list_group_memberurl(" . $dn . ")"); |
| | | |
| | | $group_members = array(); |
| | | $memberurls = (array) $memberurls; |
| | | $attributes = array('member', 'uniquemember', 'memberurl', 'objectclass'); |
| | | |
| | | // remove possible 'count' item |
| | | unset($memberurls['count']); |
| | | |
| | | foreach ($memberurls as $url) { |
| | | $ldap_uri = $this->parse_memberurl($url); |
| | | $result = $this->search($ldap_uri[3], $ldap_uri[6], 'sub', $attributes); |
| | | |
| | | if (!$result) { |
| | | continue; |
| | | } |
| | | |
| | | foreach ($result->entries(true) as $entry_dn => $_entry) { |
| | | $group_members[$entry_dn] = $entry_dn; |
| | | $this->_debug("Found " . $entry_dn); |
| | | |
| | | if ($recurse) { |
| | | // Nested group |
| | | $group_group_members = $this->list_group_members($entry_dn, $_entry); |
| | | if ($group_group_members) { |
| | | $group_members = array_merge($group_members, $group_group_members); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | return array_filter($group_members); |
| | | } |
| | | |
| | | /** |
| | | * memberUrl attribute parser |
| | | * |
| | | * @param string $url URL string |
| | | * |
| | | * @return array URL elements |
| | | */ |
| | | private function parse_memberurl($url) |
| | | { |
| | | preg_match('/(.*):\/\/(.*)\/(.*)\?(.*)\?(.*)\?(.*)/', $url, $matches); |
| | | return $matches; |
| | | } |
| | | |
| | | private function modify_entry_attributes($subject_dn, $attributes) |
| | | { |
| | | // Opportunities to set false include failed ldap commands. |
| | | $result = true; |
| | | |
| | | if (is_array($attributes['rename']) && !empty($attributes['rename'])) { |
| | | $olddn = $attributes['rename']['dn']; |
| | | $newrdn = $attributes['rename']['new_rdn']; |
| | | |
| | | if (!empty($attributes['rename']['new_parent'])) { |
| | | $new_parent = $attributes['rename']['new_parent']; |
| | | } |
| | | else { |
| | | $new_parent = null; |
| | | } |
| | | |
| | | $this->_debug("LDAP: C: Rename $olddn to $newrdn,$new_parent"); |
| | | |
| | | $result = ldap_rename($this->conn, $olddn, $newrdn, $new_parent, true); |
| | | |
| | | if ($result) { |
| | | $this->_debug("LDAP: S: OK"); |
| | | |
| | | if ($new_parent) { |
| | | $subject_dn = $newrdn . ',' . $new_parent; |
| | | } |
| | | else { |
| | | $old_parent_dn_components = ldap_explode_dn($olddn, 0); |
| | | unset($old_parent_dn_components["count"]); |
| | | $old_rdn = array_shift($old_parent_dn_components); |
| | | $old_parent_dn = implode(",", $old_parent_dn_components); |
| | | $subject_dn = $newrdn . ',' . $old_parent_dn; |
| | | } |
| | | } |
| | | else { |
| | | $this->_debug("LDAP: S: " . ldap_error($this->conn)); |
| | | $this->_warning("LDAP: Failed to rename $olddn to $newrdn,$new_parent"); |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | if (is_array($attributes['replace']) && !empty($attributes['replace'])) { |
| | | $this->_debug("LDAP: C: Mod-Replace $subject_dn: " . json_encode($attributes['replace'])); |
| | | |
| | | $result = ldap_mod_replace($this->conn, $subject_dn, $attributes['replace']); |
| | | |
| | | if ($result) { |
| | | $this->_debug("LDAP: S: OK"); |
| | | } |
| | | else { |
| | | $this->_debug("LDAP: S: " . ldap_error($this->conn)); |
| | | $this->_warning("LDAP: Failed to replace attributes on $subject_dn: " . json_encode($attributes['replace'])); |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | if (is_array($attributes['del']) && !empty($attributes['del'])) { |
| | | $this->_debug("LDAP: C: Mod-Delete $subject_dn: " . json_encode($attributes['del'])); |
| | | |
| | | $result = ldap_mod_del($this->conn, $subject_dn, $attributes['del']); |
| | | |
| | | if ($result) { |
| | | $this->_debug("LDAP: S: OK"); |
| | | } |
| | | else { |
| | | $this->_debug("LDAP: S: " . ldap_error($this->conn)); |
| | | $this->_warning("LDAP: Failed to delete attributes on $subject_dn: " . json_encode($attributes['del'])); |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | if (is_array($attributes['add']) && !empty($attributes['add'])) { |
| | | $this->_debug("LDAP: C: Mod-Add $subject_dn: " . json_encode($attributes['add'])); |
| | | |
| | | $result = ldap_mod_add($this->conn, $subject_dn, $attributes['add']); |
| | | |
| | | if ($result) { |
| | | $this->_debug("LDAP: S: OK"); |
| | | } |
| | | else { |
| | | $this->_debug("LDAP: S: " . ldap_error($this->conn)); |
| | | $this->_warning("LDAP: Failed to add attributes on $subject_dn: " . json_encode($attributes['add'])); |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | |
| | | private function parse_attribute_level_rights($attribute_value) |
| | | { |
| | | $attribute_value = str_replace(", ", ",", $attribute_value); |
| | | $attribute_values = explode(",", $attribute_value); |
| | | $attribute_value = array(); |
| | | |
| | | foreach ($attribute_values as $access_right) { |
| | | $access_right_components = explode(":", $access_right); |
| | | $access_attribute = strtolower(array_shift($access_right_components)); |
| | | $access_value = array_shift($access_right_components); |
| | | |
| | | $attribute_value[$access_attribute] = array(); |
| | | |
| | | for ($i = 0; $i < strlen($access_value); $i++) { |
| | | $method = $this->attribute_level_rights_map[substr($access_value, $i, 1)]; |
| | | |
| | | if (!in_array($method, $attribute_value[$access_attribute])) { |
| | | $attribute_value[$access_attribute][] = $method; |
| | | } |
| | | } |
| | | } |
| | | |
| | | return $attribute_value; |
| | | } |
| | | |
| | | private function parse_entry_level_rights($attribute_value) |
| | | { |
| | | $_attribute_value = array(); |
| | | |
| | | for ($i = 0; $i < strlen($attribute_value); $i++) { |
| | | $method = $this->entry_level_rights_map[substr($attribute_value, $i, 1)]; |
| | | |
| | | if (!in_array($method, $_attribute_value)) { |
| | | $_attribute_value[] = $method; |
| | | } |
| | | } |
| | | |
| | | return $_attribute_value; |
| | | } |
| | | |
| | | private function supported_controls() |
| | | { |
| | | if (!empty($this->supported_controls)) { |
| | | return $this->supported_controls; |
| | | } |
| | | |
| | | $this->_info("Obtaining supported controls"); |
| | | |
| | | if ($result = $this->search('', '(objectclass=*)', 'base', array('supportedcontrol'))) { |
| | | $result = $result->entries(true); |
| | | $control = $result['']['supportedcontrol']; |
| | | } |
| | | else { |
| | | $control = array(); |
| | | } |
| | | |
| | | $this->_info("Obtained " . count($control) . " supported controls"); |
| | | $this->supported_controls = $control; |
| | | |
| | | return $control; |
| | | } |
| | | |
| | | protected function _alert() |
| | | { |
| | | $this->__log(LOG_ALERT, func_get_args()); |
| | | } |
| | | |
| | | protected function _critical() |
| | | { |
| | | $this->__log(LOG_CRIT, func_get_args()); |
| | | } |
| | | |
| | | protected function _debug() |
| | | { |
| | | $this->__log(LOG_DEBUG, func_get_args()); |
| | | } |
| | | |
| | | protected function _emergency() |
| | | { |
| | | $this->__log(LOG_EMERG, func_get_args()); |
| | | } |
| | | |
| | | protected function _error() |
| | | { |
| | | $this->__log(LOG_ERR, func_get_args()); |
| | | } |
| | | |
| | | protected function _info() |
| | | { |
| | | $this->__log(LOG_INFO, func_get_args()); |
| | | } |
| | | |
| | | protected function _notice() |
| | | { |
| | | $this->__log(LOG_NOTICE, func_get_args()); |
| | | } |
| | | |
| | | protected function _warning() |
| | | { |
| | | $this->__log(LOG_WARNING, func_get_args()); |
| | | } |
| | | |
| | | /** |
| | | * Log a message. |
| | | */ |
| | | private function __log($level, $args) |
| | | { |
| | | $msg = array(); |
| | | |
| | | foreach ($args as $arg) { |
| | | $msg[] = !is_string($arg) ? var_export($arg, true) : $arg; |
| | | } |
| | | |
| | | if (!empty($this->_log_hook)) { |
| | | call_user_func_array($this->_log_hook, array($level, $msg)); |
| | | return; |
| | | } |
| | | |
| | | if ($this->debug_level > 0) { |
| | | syslog($level, implode("\n", $msg)); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Add BER sequence with correct length and the given identifier |
| | | */ |
| | | private static function _ber_addseq($str, $identifier) |
| | | { |
| | | $len = dechex(strlen($str)/2); |
| | | if (strlen($len) % 2 != 0) { |
| | | $len = '0'.$len; |
| | | } |
| | | |
| | | return $identifier . $len . $str; |
| | | } |
| | | |
| | | /** |
| | | * Returns BER encoded integer value in hex format |
| | | */ |
| | | private static function _ber_encode_int($offset) |
| | | { |
| | | $val = dechex($offset); |
| | | $prefix = ''; |
| | | |
| | | // check if bit 8 of high byte is 1 |
| | | if (preg_match('/^[89abcdef]/', $val)) { |
| | | $prefix = '00'; |
| | | } |
| | | |
| | | if (strlen($val)%2 != 0) { |
| | | $prefix .= '0'; |
| | | } |
| | | |
| | | return $prefix . $val; |
| | | } |
| | | |
| | | /** |
| | | * Quotes attribute value string |
| | | * |
| | | * @param string $str Attribute value |
| | | * @param bool $dn True if the attribute is a DN |
| | | * |
| | | * @return string Quoted string |
| | | */ |
| | | public static function quote_string($str, $is_dn = false) |
| | | { |
| | | // take firt entry if array given |
| | | if (is_array($str)) { |
| | | $str = reset($str); |
| | | } |
| | | |
| | | if ($is_dn) { |
| | | $replace = array( |
| | | ',' => '\2c', |
| | | '=' => '\3d', |
| | | '+' => '\2b', |
| | | '<' => '\3c', |
| | | '>' => '\3e', |
| | | ';' => '\3b', |
| | | "\\"=> '\5c', |
| | | '"' => '\22', |
| | | '#' => '\23' |
| | | ); |
| | | } |
| | | else { |
| | | $replace = array( |
| | | '*' => '\2a', |
| | | '(' => '\28', |
| | | ')' => '\29', |
| | | "\\" => '\5c', |
| | | '/' => '\2f' |
| | | ); |
| | | } |
| | | |
| | | return strtr($str, $replace); |
| | | } |
| | | |
| | | /** |
| | | * create ber encoding for sort control |
| | | * |
| | | * @param array List of cols to sort by |
| | | * @return string BER encoded option value |
| | | */ |
| | | private static function _sort_ber_encode($sortcols) |
| | | { |
| | | $str = ''; |
| | | foreach (array_reverse((array)$sortcols) as $col) { |
| | | $ber_val = self::_string2hex($col); |
| | | |
| | | // 30 = ber sequence with a length of octet value |
| | | // 04 = octet string with a length of the ascii value |
| | | $oct = self::_ber_addseq($ber_val, '04'); |
| | | $str = self::_ber_addseq($oct, '30') . $str; |
| | | } |
| | | |
| | | // now tack on sequence identifier and length |
| | | $str = self::_ber_addseq($str, '30'); |
| | | |
| | | return pack('H'.strlen($str), $str); |
| | | } |
| | | |
| | | /** |
| | | * Returns ascii string encoded in hex |
| | | */ |
| | | private static function _string2hex($str) |
| | | { |
| | | $hex = ''; |
| | | for ($i=0; $i < strlen($str); $i++) |
| | | $hex .= dechex(ord($str[$i])); |
| | | |
| | | return $hex; |
| | | } |
| | | |
| | | /** |
| | | * Generate BER encoded string for Virtual List View option |
| | | * |
| | | * @param integer List offset (first record) |
| | | * @param integer Records per page |
| | | * @return string BER encoded option value |
| | | */ |
| | | private static function _vlv_ber_encode($offset, $rpp, $search = '') |
| | | { |
| | | // This string is ber-encoded, php will prefix this value with: |
| | | // 04 (octet string) and 10 (length of 16 bytes) |
| | | // the code behind this string is broken down as follows: |
| | | // 30 = ber sequence with a length of 0e (14) bytes following |
| | | // 02 = type integer (in two's complement form) with 2 bytes following (beforeCount): 01 00 (ie 0) |
| | | // 02 = type integer (in two's complement form) with 2 bytes following (afterCount): 01 18 (ie 25-1=24) |
| | | // a0 = type context-specific/constructed with a length of 06 (6) bytes following |
| | | // 02 = type integer with 2 bytes following (offset): 01 01 (ie 1) |
| | | // 02 = type integer with 2 bytes following (contentCount): 01 00 |
| | | |
| | | // whith a search string present: |
| | | // 81 = type context-specific/constructed with a length of 04 (4) bytes following (the length will change here) |
| | | // 81 indicates a user string is present where as a a0 indicates just a offset search |
| | | // 81 = type context-specific/constructed with a length of 06 (6) bytes following |
| | | |
| | | // the following info was taken from the ISO/IEC 8825-1:2003 x.690 standard re: the |
| | | // encoding of integer values (note: these values are in |
| | | // two-complement form so since offset will never be negative bit 8 of the |
| | | // leftmost octet should never by set to 1): |
| | | // 8.3.2: If the contents octets of an integer value encoding consist |
| | | // of more than one octet, then the bits of the first octet (rightmost) and bit 8 |
| | | // of the second (to the left of first octet) octet: |
| | | // a) shall not all be ones; and |
| | | // b) shall not all be zero |
| | | |
| | | if ($search) { |
| | | $search = preg_replace('/[^-[:alpha:] ,.()0-9]+/', '', $search); |
| | | $ber_val = self::_string2hex($search); |
| | | $str = self::_ber_addseq($ber_val, '81'); |
| | | } |
| | | else { |
| | | // construct the string from right to left |
| | | $str = "020100"; # contentCount |
| | | |
| | | // returns encoded integer value in hex format |
| | | $ber_val = self::_ber_encode_int($offset); |
| | | |
| | | // calculate octet length of $ber_val |
| | | $str = self::_ber_addseq($ber_val, '02') . $str; |
| | | |
| | | // now compute length over $str |
| | | $str = self::_ber_addseq($str, 'a0'); |
| | | } |
| | | |
| | | // now tack on records per page |
| | | $str = "020100" . self::_ber_addseq(self::_ber_encode_int($rpp-1), '02') . $str; |
| | | |
| | | // now tack on sequence identifier and length |
| | | $str = self::_ber_addseq($str, '30'); |
| | | |
| | | return pack('H'.strlen($str), $str); |
| | | } |
| | | |
| | | private function _fuzzy_search_prefix() |
| | | { |
| | | switch ($this->config_get("fuzzy_search", 2)) { |
| | | case 2: |
| | | return "*"; |
| | | break; |
| | | case 1: |
| | | case 0: |
| | | default: |
| | | return ""; |
| | | break; |
| | | } |
| | | } |
| | | |
| | | private function _fuzzy_search_suffix() |
| | | { |
| | | switch ($this->config_get("fuzzy_search", 2)) { |
| | | case 2: |
| | | return "*"; |
| | | break; |
| | | case 1: |
| | | return "*"; |
| | | case 0: |
| | | default: |
| | | return ""; |
| | | break; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Return the search string value to be used in VLV controls |
| | | */ |
| | | private function _vlv_search($sort, $search) |
| | | { |
| | | if (!empty($this->additional_filter)) { |
| | | $this->_debug("Not setting a VLV search filter because we already have a filter"); |
| | | return; |
| | | } |
| | | |
| | | if (empty($search)) { |
| | | return; |
| | | } |
| | | |
| | | $search_suffix = $this->_fuzzy_search_suffix(); |
| | | |
| | | foreach ($search as $attr => $value) { |
| | | if (!in_array(strtolower($attr), $sort)) { |
| | | $this->_debug("Cannot use VLV search using attribute not indexed: $attr (not in " . var_export($sort, true) . ")"); |
| | | return; |
| | | } |
| | | else { |
| | | return $value . $search_suffix; |
| | | } |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Set server controls for Virtual List View (paginated listing) |
| | | */ |
| | | private function _vlv_set_controls($sort, $list_page, $page_size, $search = null) |
| | | { |
| | | $sort_ctrl = array( |
| | | 'oid' => "1.2.840.113556.1.4.473", |
| | | 'value' => self::_sort_ber_encode($sort) |
| | | ); |
| | | |
| | | if (!empty($search)) { |
| | | $this->_debug("_vlv_set_controls to include search: " . var_export($search, true)); |
| | | } |
| | | |
| | | $vlv_ctrl = array( |
| | | 'oid' => "2.16.840.1.113730.3.4.9", |
| | | 'value' => self::_vlv_ber_encode( |
| | | $offset = ($list_page-1) * $page_size + 1, |
| | | $page_size, |
| | | $search |
| | | ), |
| | | 'iscritical' => true |
| | | ); |
| | | |
| | | $this->_debug("C: set controls sort=" . join(' ', unpack('H'.(strlen($sort_ctrl['value'])*2), $sort_ctrl['value'])) |
| | | . " (" . implode(',', (array) $sort) . ");" |
| | | . " vlv=" . join(' ', (unpack('H'.(strlen($vlv_ctrl['value'])*2), $vlv_ctrl['value']))) . " ($offset/$page_size)"); |
| | | |
| | | if (!ldap_set_option($this->conn, LDAP_OPT_SERVER_CONTROLS, array($sort_ctrl, $vlv_ctrl))) { |
| | | $this->_debug("S: ".ldap_error($this->conn)); |
| | | $this->set_error(self::ERROR_SEARCH, 'vlvnotsupported'); |
| | | |
| | | return false; |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | |
| | | } |