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authorAleksander Machniak <alec@alec.pl>2014-08-05 10:41:22 +0200
committerAleksander Machniak <alec@alec.pl>2014-08-05 10:41:22 +0200
commitdb25c43e97f85121e9b14f0b4a2f2341e3a56966 (patch)
treef7f7136b97d344cc4c5744095e8faea18fad6e6f /program/lib
parentd61649958f205b0ad2a3c3a49f34a9269815f9b9 (diff)
parent8ee8be9b86032bd23965dd37589691db6abfceb8 (diff)
Merge pull request #207 from kanarip/dev/net_ldap3
Merge Net_LDAP3
Diffstat (limited to 'program/lib')
-rw-r--r--program/lib/Net/LDAP3.php2618
-rw-r--r--program/lib/Net/LDAP3/Result.php (renamed from program/lib/Roundcube/rcube_ldap_result.php)97
-rw-r--r--program/lib/Roundcube/rcube_ldap.php32
-rw-r--r--program/lib/Roundcube/rcube_ldap_generic.php898
4 files changed, 2741 insertions, 904 deletions
diff --git a/program/lib/Net/LDAP3.php b/program/lib/Net/LDAP3.php
new file mode 100644
index 000000000..1b3ac73bb
--- /dev/null
+++ b/program/lib/Net/LDAP3.php
@@ -0,0 +1,2618 @@
+<?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) $sort_attrs;
+ foreach ($vlv_index[$base_dn]['sort'] as $sss_config) {
+ if (count(array_intersect($sort_attrs, $sss_config)) == count($sort_attrs)) {
+ return $sort_attrs;
+ }
+ }
+
+ $this->_error("The requested sorting does not match any server-side sorting configuration");
+
+ 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;
+ }
+
+}
diff --git a/program/lib/Roundcube/rcube_ldap_result.php b/program/lib/Net/LDAP3/Result.php
index efc3331bc..728b30442 100644
--- a/program/lib/Roundcube/rcube_ldap_result.php
+++ b/program/lib/Net/LDAP3/Result.php
@@ -2,106 +2,115 @@
/*
+-----------------------------------------------------------------------+
- | Roundcube/rcube_ldap_result.php |
+ | Net/LDAP3/Result.php |
| |
- | This file is part of the Roundcube Webmail client |
- | Copyright (C) 2006-2013, The Roundcube Dev Team |
- | Copyright (C) 2013, Kolab Systems AG |
+ | 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 skins & plugins. |
+ | any later version with exceptions for plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
- | Model class that represents an LDAP search result |
+ | Provide advanced functionality for accessing LDAP directories |
| |
+-----------------------------------------------------------------------+
- | Author: Thomas Bruederli <roundcube@gmail.com> |
+ | Authors: Thomas Bruederli <roundcube@gmail.com> |
+ | Jeroen van Meeuwen <vanmeeuwen@kolabsys.com> |
+-----------------------------------------------------------------------+
*/
-
/**
* Model class representing an LDAP search result
*
- * @package Framework
- * @subpackage LDAP
+ * @package LDAP
*/
-class rcube_ldap_result implements Iterator
+class Net_LDAP3_Result implements Iterator
{
- public $conn;
- public $ldap;
- public $base_dn;
- public $filter;
+ protected $conn;
+ protected $base_dn;
+ protected $filter;
+ protected $scope;
- private $count = null;
- private $current = null;
+ private $count;
+ private $current;
private $iteratorkey = 0;
/**
* Default constructor
*
- * @param resource $conn LDAP link identifier
- * @param resource $ldap LDAP result entry identifier
+ * @param resource $conn LDAP link identifier
* @param string $base_dn Base DN used to get this result
* @param string $filter Filter query used to get this result
- * @param integer $count Record count value (pre-calculated)
+ * @param string $scope Scope of the result
+ * @param resource $result LDAP result entry identifier
*/
- function __construct($conn, $ldap, $base_dn, $filter, $count = null)
+ function __construct($conn, $base_dn, $filter, $scope, $result)
{
- $this->conn = $conn;
- $this->ldap = $ldap;
+ $this->conn = $conn;
$this->base_dn = $base_dn;
- $this->filter = $filter;
- $this->count = $count;
+ $this->filter = $filter;
+ $this->scope = $scope;
+ $this->result = $result;
+ }
+
+ public function get($property, $default = null)
+ {
+ if (isset($this->$property)) {
+ return $this->$property;
+ } else {
+ return $default;
+ }
+ }
+
+ public function set($property, $value)
+ {
+ $this->$property = $value;
}
/**
- * Wrapper for ldap_sort()
+ *
*/
public function sort($attr)
{
- return ldap_sort($this->conn, $this->ldap, $attr);
+ return ldap_sort($this->conn, $this->result, $attr);
}
/**
- * Get entries count
+ *
*/
public function count()
{
if (!isset($this->count))
- $this->count = ldap_count_entries($this->conn, $this->ldap);
+ $this->count = ldap_count_entries($this->conn, $this->result);
return $this->count;
}
/**
- * Wrapper for ldap_get_entries()
*
- * @param boolean $normalize Optionally normalize the entries to a list of hash arrays
- * @return array List of LDAP entries
*/
public function entries($normalize = false)
{
- $entries = ldap_get_entries($this->conn, $this->ldap);
- return $normalize ? rcube_ldap_generic::normalize_result($entries) : $entries;
- }
+ $entries = ldap_get_entries($this->conn, $this->result);
- /**
- * Wrapper for ldap_get_dn() using the current entry pointer
- */
- public function get_dn()
- {
- return $this->current ? ldap_get_dn($this->conn, $this->current) : null;
+ if ($normalize) {
+ return Net_LDAP3::normalize_result($entries);
+ }
+
+ return $entries;
}
- /*** Implements the PHP 5 Iterator interface to make foreach work ***/
+ /*** Implement PHP 5 Iterator interface to make foreach work ***/
function current()
{
- $attrib = ldap_get_attributes($this->conn, $this->current);
+ $attrib = ldap_get_attributes($this->conn, $this->current);
$attrib['dn'] = ldap_get_dn($this->conn, $this->current);
+
return $attrib;
}
@@ -113,7 +122,7 @@ class rcube_ldap_result implements Iterator
function rewind()
{
$this->iteratorkey = 0;
- $this->current = ldap_first_entry($this->conn, $this->ldap);
+ $this->current = ldap_first_entry($this->conn, $this->result);
}
function next()
diff --git a/program/lib/Roundcube/rcube_ldap.php b/program/lib/Roundcube/rcube_ldap.php
index 5a4b9dd61..a26f87b0a 100644
--- a/program/lib/Roundcube/rcube_ldap.php
+++ b/program/lib/Roundcube/rcube_ldap.php
@@ -232,8 +232,7 @@ class rcube_ldap extends rcube_addressbook
// initialize ldap wrapper object
$this->ldap = new rcube_ldap_generic($this->prop);
- $this->ldap->set_cache($this->cache);
- $this->ldap->set_debug($this->debug);
+ $this->ldap->config_set(array('cache' => $this->cache, 'debug' => $this->debug));
$this->_connect();
}
@@ -320,8 +319,7 @@ class rcube_ldap extends rcube_addressbook
// we need to use a separate LDAP connection
if (!empty($this->prop['vlv'])) {
$ldap = new rcube_ldap_generic($this->prop);
- $ldap->set_debug($this->debug);
- $ldap->set_cache($this->cache);
+ $ldap->config_set(array('cache' => $this->cache, 'debug' => $this->debug));
if (!$ldap->connect($host)) {
continue;
}
@@ -335,7 +333,7 @@ class rcube_ldap extends rcube_addressbook
$res = $ldap->search($search_base_dn, $search_filter, 'sub', $search_attribs);
if ($res) {
$res->rewind();
- $replaces['%dn'] = $res->get_dn();
+ $replaces['%dn'] = key($res->entries(TRUE));
// add more replacements from 'search_bind_attrib' config
if ($search_bind_attrib) {
@@ -1066,7 +1064,7 @@ class rcube_ldap extends rcube_addressbook
}
}
- if (!$this->ldap->add($dn, $newentry)) {
+ if (!$this->ldap->add_entry($dn, $newentry)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1078,7 +1076,7 @@ class rcube_ldap extends rcube_addressbook
'objectClass' => (array) $this->prop['sub_fields'][$xidx],
);
- $this->ldap->add($xdn, $xf);
+ $this->ldap->add_entry($xdn, $xf);
}
$dn = self::dn_encode($dn);
@@ -1221,7 +1219,7 @@ class rcube_ldap extends rcube_addressbook
if (!empty($subdeldata)) {
foreach ($subdeldata as $fld => $val) {
$subdn = $fld.'='.rcube_ldap_generic::quote_string($val).','.$dn;
- if (!$this->ldap->delete($subdn)) {
+ if (!$this->ldap->delete_entry($subdn)) {
return false;
}
}
@@ -1265,7 +1263,7 @@ class rcube_ldap extends rcube_addressbook
$fld => $val,
'objectClass' => (array) $this->prop['sub_fields'][$fld],
);
- $this->ldap->add($subdn, $xf);
+ $this->ldap->add_entry($subdn, $xf);
}
}
@@ -1295,7 +1293,7 @@ class rcube_ldap extends rcube_addressbook
if ($this->sub_filter) {
if ($entries = $this->ldap->list_entries($dn, $this->sub_filter)) {
foreach ($entries as $entry) {
- if (!$this->ldap->delete($entry['dn'])) {
+ if (!$this->ldap->delete_entry($entry['dn'])) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1304,12 +1302,12 @@ class rcube_ldap extends rcube_addressbook
}
// Delete the record.
- if (!$this->ldap->delete($dn)) {
+ if (!$this->ldap->delete_entry($dn)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
- // remove contact from all groups where he was member
+ // remove contact from all groups where he was a member
if ($this->groups) {
$dn = self::dn_encode($dn);
$group_ids = $this->get_record_groups($dn);
@@ -1342,7 +1340,7 @@ class rcube_ldap extends rcube_addressbook
if ($with_groups && $this->groups && ($groups = $this->_fetch_groups()) && count($groups)) {
foreach ($groups as $group) {
- $this->ldap->delete($group['dn']);
+ $this->ldap->delete_entry($group['dn']);
}
if ($this->cache) {
@@ -1567,7 +1565,7 @@ class rcube_ldap extends rcube_addressbook
$this->debug = $dbg;
if ($this->ldap) {
- $this->ldap->set_debug($dbg);
+ $this->ldap->config_set('debug', $dbg);
}
}
@@ -1666,7 +1664,7 @@ class rcube_ldap extends rcube_addressbook
}
$ldap = clone $this->ldap;
- $ldap->set_config($this->prop['groups']);
+ $ldap->config_set($this->prop['groups']);
$ldap->set_vlv_page($vlv_page+1, $page_size);
}
@@ -1790,7 +1788,7 @@ class rcube_ldap extends rcube_addressbook
$member_attr => '',
);
- if (!$this->ldap->add($new_dn, $new_entry)) {
+ if (!$this->ldap->add_entry($new_dn, $new_entry)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1813,7 +1811,7 @@ class rcube_ldap extends rcube_addressbook
$group_cache = $this->_fetch_groups();
$del_dn = $group_cache[$group_id]['dn'];
- if (!$this->ldap->delete($del_dn)) {
+ if (!$this->ldap->delete_entry($del_dn)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
diff --git a/program/lib/Roundcube/rcube_ldap_generic.php b/program/lib/Roundcube/rcube_ldap_generic.php
index 25fe2e5d2..a88e53c0e 100644
--- a/program/lib/Roundcube/rcube_ldap_generic.php
+++ b/program/lib/Roundcube/rcube_ldap_generic.php
@@ -5,8 +5,8 @@
| Roundcube/rcube_ldap_generic.php |
| |
| This file is part of the Roundcube Webmail client |
- | Copyright (C) 2006-2013, The Roundcube Dev Team |
- | Copyright (C) 2012-2013, Kolab Systems AG |
+ | 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 skins & plugins. |
@@ -21,464 +21,124 @@
+-----------------------------------------------------------------------+
*/
-
-/*
- LDAP connection properties
- --------------------------
-
- $prop = array(
- 'host' => '<ldap-server-address>',
- // or
- 'hosts' => array('directory.verisign.com'),
- 'port' => 389,
- 'use_tls' => true|false,
- 'ldap_version' => 3, // using LDAPv3
- 'auth_method' => '', // SASL authentication method (for proxy auth), e.g. DIGEST-MD5
- 'attributes' => array('dn'), // List of attributes to read from the server
- 'vlv' => false, // Enable Virtual List View to more efficiently fetch paginated data (if server supports it)
- 'config_root_dn' => 'cn=config', // Root DN to read config (e.g. vlv indexes) from
- '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
- '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.
- 'network_timeout' => 10, // The timeout (in seconds) for connect + bind arrempts. This is only supported in PHP >= 5.3.0 with OpenLDAP 2.x
- 'referrals' => true|false, // Sets the LDAP_OPT_REFERRALS option. Mostly used in multi-domain Active Directory setups
- );
-*/
-
/**
* Model class to access an LDAP directories
*
* @package Framework
* @subpackage LDAP
*/
-class rcube_ldap_generic
+class rcube_ldap_generic extends Net_LDAP3
{
- const UPDATE_MOD_ADD = 1;
- const UPDATE_MOD_DELETE = 2;
- const UPDATE_MOD_REPLACE = 4;
- const UPDATE_MOD_FULL = 7;
-
- public $conn;
- public $vlv_active = false;
-
/** private properties */
protected $cache = null;
- protected $config = array();
protected $attributes = array('dn');
- protected $entries = null;
- protected $result = null;
- protected $debug = false;
- protected $list_page = 1;
- protected $page_size = 10;
- protected $vlv_config = null;
-
- /**
- * Object constructor
- *
- * @param array $p LDAP connection properties
- */
- function __construct($p)
+ function __construct($config = null)
{
- $this->config = $p;
+ parent::__construct($config);
- if (is_array($p['attributes']))
- $this->attributes = $p['attributes'];
-
- if (!is_array($p['hosts']) && !empty($p['host']))
- $this->config['hosts'] = array($p['host']);
+ $this->config_set('log_hook', array($this, 'log'));
}
/**
- * Activate/deactivate debug mode
- *
- * @param boolean $dbg True if LDAP commands should be logged
+ * Establish a connection to the LDAP server
*/
- public function set_debug($dbg = true)
- {
- $this->debug = $dbg;
- }
-
- /**
- * Set connection options
- *
- * @param mixed $opt Option name as string or hash array with multiple options
- * @param mixed $val Option value
- */
- public function set_config($opt, $val = null)
- {
- if (is_array($opt))
- $this->config = array_merge($this->config, $opt);
- else
- $this->config[$opt] = $value;
- }
-
- /**
- * Enable caching by passing an instance of rcube_cache to be used by this object
- *
- * @param object rcube_cache Instance or False to disable caching
- */
- public function set_cache($cache_engine)
- {
- $this->cache = $cache_engine;
- }
-
- /**
- * 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 = $size;
- }
-
- /**
- * Establish a connection to the LDAP server
- */
public function connect($host = null)
{
- if (!function_exists('ldap_connect')) {
- rcube::raise_error(array('code' => 100, 'type' => 'ldap',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "No ldap support in this installation of PHP"),
- true);
- return false;
- }
-
- if (is_resource($this->conn) && $this->config['host'] == $host)
- return true;
-
- if (empty($this->config['ldap_version']))
- $this->config['ldap_version'] = 3;
-
- // iterate over hosts if none specified
- if (!$host) {
- if (!is_array($this->config['hosts']))
- $this->config['hosts'] = array($this->config['hosts']);
-
- foreach ($this->config['hosts'] as $host) {
- if (!empty($host) && $this->connect($host)) {
- return true;
- }
- }
-
- return false;
- }
-
- // open connection to the given $host
- $host = rcube_utils::idn_to_ascii(rcube_utils::parse_host($host));
- $hostname = $host . ($this->config['port'] ? ':'.$this->config['port'] : '');
-
- $this->_debug("C: Connect to $hostname [{$this->config['name']}]");
-
- if ($lc = @ldap_connect($host, $this->config['port'])) {
- if ($this->config['use_tls'] === true) {
- if (!ldap_start_tls($lc)) {
- return false;
- }
- }
-
- $this->_debug("S: OK");
-
- ldap_set_option($lc, LDAP_OPT_PROTOCOL_VERSION, $this->config['ldap_version']);
- $this->config['host'] = $host;
- $this->conn = $lc;
-
- if (!empty($this->config['network_timeout']))
- ldap_set_option($lc, LDAP_OPT_NETWORK_TIMEOUT, $this->config['network_timeout']);
+ // Net_LDAP3 does not support IDNA yet
+ // also parse_host() here is very Roundcube specific
+ $host = rcube_utils::idn_to_ascii(rcube_utils::parse_host($host));
- if (isset($this->config['referrals']))
- ldap_set_option($lc, LDAP_OPT_REFERRALS, $this->config['referrals']);
-
- if (isset($this->config['dereference']))
- ldap_set_option($lc, LDAP_OPT_DEREF, $this->config['dereference']);
- }
- else {
- $this->_debug("S: NOT OK");
- }
-
- if (!is_resource($this->conn)) {
- rcube::raise_error(array('code' => 100, 'type' => 'ldap',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "Could not connect to any LDAP server, last tried $hostname"),
- true);
- return false;
- }
-
- return true;
+ return parent::connect($host);
}
/**
- * Bind connection with (SASL-) user and password
+ * Get a specific LDAP entry, identified by its DN
*
- * @param string $authc Authentication user
- * @param string $pass Bind password
- * @param string $authz Autorization user
+ * @param string $dn Record identifier
*
- * @return boolean True on success, False on error
+ * @return array Hash array
*/
- public function sasl_bind($authc, $pass, $authz=null)
+ function get_entry($dn)
{
- if (!$this->conn) {
- return false;
- }
-
- if (!function_exists('ldap_sasl_bind')) {
- rcube::raise_error(array('code' => 100, 'type' => 'ldap',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "Unable to bind: ldap_sasl_bind() not exists"),
- true);
- return false;
- }
-
- if (!empty($authz)) {
- $authz = 'u:' . $authz;
- }
-
- if (!empty($this->config['auth_method'])) {
- $method = $this->config['auth_method'];
- }
- else {
- $method = 'DIGEST-MD5';
- }
-
- $this->_debug("C: SASL Bind [mech: $method, authc: $authc, authz: $authz, pass: **** [" . strlen($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));
-
- rcube::raise_error(array(
- 'code' => ldap_errno($this->conn), 'type' => 'ldap',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "SASL Bind failed for authcid=$authc ".ldap_error($this->conn)),
- true);
- return false;
+ return parent::get_entry($dn, $this->attributes);
}
/**
- * Bind connection with DN and password
- *
- * @param string $dn Bind DN
- * @param string $pass Bind password
- *
- * @return boolean True on success, False on error
+ * Prints debug/error info to the log
*/
- public function bind($dn, $pass)
+ public function log($level, $msg)
{
- if (!$this->conn) {
- return false;
- }
-
- $this->_debug("C: Bind $dn, pass: **** [" . strlen($pass) . "]");
-
- if (@ldap_bind($this->conn, $dn, $pass)) {
- $this->_debug("S: OK");
- return true;
- }
-
- $this->_debug("S: ".ldap_error($this->conn));
+ $msg = implode("\n", $msg);
- rcube::raise_error(array(
- 'code' => ldap_errno($this->conn), 'type' => 'ldap',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "Bind failed for dn=$dn: ".ldap_error($this->conn)),
- true);
+ switch ($level) {
+ case LOG_DEBUG:
+ case LOG_INFO:
+ case LOG_NOTICE:
+ if ($this->config['debug']) {
+ rcube::write_log('ldap', $msg);
+ }
+ break;
- return false;
- }
+ case LOG_EMERGE:
+ case LOG_ALERT:
+ case LOG_CRIT:
+ rcube::raise_error($msg, true, true);
+ break;
- /**
- * Close connection to LDAP server
- */
- public function close()
- {
- if ($this->conn) {
- $this->_debug("C: Close");
- ldap_unbind($this->conn);
- $this->conn = null;
+ case LOG_ERR:
+ case LOG_WARNING:
+ rcube::raise_error($msg, true, false);
+ break;
}
}
/**
- * Return the last result set
- *
- * @return object rcube_ldap_result Result object
+ * @deprecated
*/
- function get_result()
+ public function set_debug($dbg = true)
{
- return $this->result;
+ $this->config['debug'] = (bool) $dbg;
}
/**
- * Get a specific LDAP entry, identified by its DN
- *
- * @param string $dn Record identifier
- * @return array Hash array
+ * @deprecated
*/
- function get_entry($dn)
+ public function set_cache($cache_engine)
{
- $rec = null;
-
- if ($this->conn && $dn) {
- $this->_debug("C: Read $dn [(objectclass=*)]");
-
- if ($ldap_result = @ldap_read($this->conn, $dn, '(objectclass=*)', $this->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;
+ $this->config['cache'] = $cache_engine;
}
/**
- * Execute the LDAP search based on the stored credentials
- *
- * @param string $base_dn The base DN to query
- * @param string $filter The LDAP filter for search
- * @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 boolean $count_only Set to true if only entry count is requested
- *
- * @return mixed rcube_ldap_result object or number of entries (if count_only=true) or false on error
+ * @deprecated
*/
- public function search($base_dn, $filter = '', $scope = 'sub', $attrs = array('dn'), $prop = array(), $count_only = false)
+ public static function scope2func($scope, &$ns_function = null)
{
- if (!$this->conn) {
- return false;
- }
-
- if (empty($filter)) {
- $filter = '(objectclass=*)';
- }
-
- $this->_debug("C: Search $base_dn for $filter");
-
- $function = self::scope2func($scope, $ns_function);
-
- // find available VLV index for this query
- if (!$count_only && ($vlv_sort = $this->_find_vlv($base_dn, $filter, $scope, $prop['sort']))) {
- // when using VLV, we get the total count by...
- // ...either reading numSubOrdinates attribute
- if (($sub_filter = $this->config['numsub_filter']) &&
- ($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'), $prop, true);
- }
-
- $this->vlv_active = $this->_vlv_set_controls($vlv_sort, $this->list_page, $this->page_size, $prop['search']);
- }
- else {
- $this->vlv_active = false;
- }
-
- // only fetch dn for count (should keep the payload low)
- if ($ldap_result = @$function($this->conn, $base_dn, $filter,
- $attrs, 0, (int)$this->config['sizelimit'], (int)$this->config['timelimit'])
- ) {
- // when running on a patched PHP we can use the extended functions
- // to retrieve the total count from the LDAP search result
- if ($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");
- }
-
- $this->result = new rcube_ldap_result($this->conn, $ldap_result, $base_dn, $filter, $vlv_count);
-
- return $count_only ? $this->result->count() : $this->result;
- }
- else {
- $this->_debug("S: ".ldap_error($this->conn));
- }
-
- return false;
+ return self::scope_to_function($scope, $ns_function);
}
/**
- * Modify an LDAP entry on the server
- *
- * @param string $dn Entry DN
- * @param array $params Hash array of entry attributes
- * @param int $mode Update mode (UPDATE_MOD_ADD | UPDATE_MOD_DELETE | UPDATE_MOD_REPLACE)
+ * @deprecated
*/
- public function modify($dn, $parms, $mode = 255)
+ public function set_config($opt, $val = null)
{
- // TODO: implement this
-
- return false;
+ $this->config_set($opt, $val);
}
/**
- * Wrapper for ldap_add()
- *
- * @see ldap_add()
+ * @deprecated
*/
public function add($dn, $entry)
{
- $this->_debug("C: Add $dn: ".print_r($entry, true));
-
- $res = ldap_add($this->conn, $dn, $entry);
- if ($res === false) {
- $this->_debug("S: ".ldap_error($this->conn));
- return false;
- }
-
- $this->_debug("S: OK");
- return true;
+ return $this->add_entry($dn, $entry);
}
/**
- * Wrapper for ldap_delete()
- *
- * @see ldap_delete()
+ * @deprecated
*/
public function delete($dn)
{
- $this->_debug("C: Delete $dn");
-
- $res = ldap_delete($this->conn, $dn);
- if ($res === false) {
- $this->_debug("S: ".ldap_error($this->conn));
- return false;
- }
-
- $this->_debug("S: OK");
- return true;
+ return $this->delete_entry($dn);
}
/**
@@ -595,9 +255,6 @@ class rcube_ldap_generic
$this->_debug("C: Read $dn [{$filter}]");
if ($this->conn && $dn) {
- if (!$attributes)
- $attributes = $this->attributes;
-
$result = @ldap_read($this->conn, $dn, $filter, $attributes, 0, (int)$this->config['sizelimit'], (int)$this->config['timelimit']);
if ($result === false) {
$this->_debug("S: ".ldap_error($this->conn));
@@ -610,452 +267,7 @@ class rcube_ldap_generic
return false;
}
-
- /**
- * Choose the right PHP function according to scope property
- *
- * @param string $scope The LDAP scope (sub|base|list)
- * @param string $ns_function Function to be used for numSubOrdinates queries
- * @return string PHP function to be used to query directory
- */
- public static function scope2func($scope, &$ns_function = null)
- {
- switch ($scope) {
- case 'sub':
- $function = $ns_function = 'ldap_search';
- break;
- case 'base':
- $function = $ns_function = 'ldap_read';
- break;
- default:
- $function = 'ldap_list';
- $ns_function = 'ldap_read';
- break;
- }
-
- return $function;
- }
-
- /**
- * Convert the given scope integer value to a string representation
- */
- public static function scopeint2str($scope)
- {
- switch ($scope) {
- case 2: return 'sub';
- case 1: return 'one';
- case 0: return 'base';
- default: $this->_debug("Scope $scope is not a valid scope integer");
- }
-
- return '';
- }
-
- /**
- * Escapes the given value according to RFC 2254 so that it can be safely used in LDAP filters.
- *
- * @param string $val Value to quote
- * @return string The escaped value
- */
- public static function escape_value($val)
- {
- return strtr($str, array('*'=>'\2a', '('=>'\28', ')'=>'\29',
- '\\'=>'\5c', '/'=>'\2f'));
- }
-
- /**
- * Escapes a DN value according to RFC 2253
- *
- * @param string $dn DN value o quote
- * @return string The escaped value
- */
- public static function escape_dn($dn)
- {
- return strtr($str, array(','=>'\2c', '='=>'\3d', '+'=>'\2b',
- '<'=>'\3c', '>'=>'\3e', ';'=>'\3b', '\\'=>'\5c',
- '"'=>'\22', '#'=>'\23'));
- }
-
- /**
- * Normalize a LDAP result by converting entry attributes arrays into single values
- *
- * @param array $result LDAP result set fetched with ldap_get_entries()
- * @return array Hash array with normalized entries, indexed by their DNs
- */
- public static function normalize_result($result)
- {
- if (!is_array($result)) {
- return array();
- }
-
- $entries = array();
- for ($i = 0; $i < $result['count']; $i++) {
- $key = $result[$i]['dn'] ? $result[$i]['dn'] : $i;
- $entries[$key] = self::normalize_entry($result[$i]);
- }
-
- return $entries;
- }
-
- /**
- * 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)
- {
- if (!isset($entry['count'])) {
- return $entry;
- }
-
- $rec = array();
-
- for ($i=0; $i < $entry['count']; $i++) {
- $attr = $entry[$i];
- if ($entry[$attr]['count'] == 1) {
- switch ($attr) {
- case 'objectclass':
- $rec[$attr] = array(strtolower($entry[$attr][0]));
- break;
- default:
- $rec[$attr] = $entry[$attr][0];
- break;
- }
- }
- else {
- for ($j=0; $j < $entry[$attr]['count']; $j++) {
- $rec[$attr][$j] = $entry[$attr][$j];
- }
- }
- }
-
- return $rec;
- }
-
- /**
- * Set server controls for Virtual List View (paginated listing)
- */
- private function _vlv_set_controls($sort, $list_page, $page_size, $search = null)
- {
- $sort_ctrl = array('oid' => "1.2.840.113556.1.4.473", 'value' => self::_sort_ber_encode((array)$sort));
- $vlv_ctrl = array('oid' => "2.16.840.1.113730.3.4.9", 'value' => self::_vlv_ber_encode(($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), $sort_ctrl['value'])) . " ($sort[0]);"
- . " vlv=" . join(' ', (unpack('H'.(strlen($vlv_ctrl['value'])*2), $vlv_ctrl['value']))) . " ($offset/$page_size; $search)");
-
- if (!ldap_set_option($this->conn, LDAP_OPT_SERVER_CONTROLS, array($sort_ctrl, $vlv_ctrl))) {
- $this->_debug("S: ".ldap_error($this->conn));
- $this->set_error(self::ERROR_SEARCH, 'vlvnotsupported');
- return false;
- }
-
- return true;
- }
-
- /**
- * Returns unified attribute name (resolving aliases)
- */
- private static function _attr_name($namev)
- {
- // list of known attribute aliases
- static $aliases = array(
- 'gn' => 'givenname',
- 'rfc822mailbox' => 'email',
- 'userid' => 'uid',
- 'emailaddress' => 'email',
- 'pkcs9email' => 'email',
- );
-
- list($name, $limit) = explode(':', $namev, 2);
- $suffix = $limit ? ':'.$limit : '';
-
- return (isset($aliases[$name]) ? $aliases[$name] : $name) . $suffix;
- }
-
- /**
- * 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, $dn=false)
- {
- // take firt entry if array given
- if (is_array($str))
- $str = reset($str);
-
- if ($dn)
- $replace = array(','=>'\2c', '='=>'\3d', '+'=>'\2b', '<'=>'\3c',
- '>'=>'\3e', ';'=>'\3b', '\\'=>'\5c', '"'=>'\22', '#'=>'\23');
- else
- $replace = array('*'=>'\2a', '('=>'\28', ')'=>'\29', '\\'=>'\5c',
- '/'=>'\2f');
-
- return strtr($str, $replace);
- }
-
- /**
- * Prints debug info to the log
- */
- private function _debug($str)
- {
- if ($this->debug && class_exists('rcube')) {
- rcube::write_log('ldap', $str);
- }
- }
-
-
- /***************** Virtual List View (VLV) related utility functions **************** */
-
- /**
- * Return the search string value to be used in VLV controls
- */
- private function _vlv_search($sort, $search)
- {
- foreach ($search as $attr => $value) {
- if (!in_array(strtolower($attr), $sort)) {
- $this->_debug("d: Cannot use VLV search using attribute not indexed: $attr (not in " . var_export($sort, true) . ")");
- return null;
- } else {
- return $value;
- }
- }
- }
-
- /**
- * Find a VLV index matching the given query attributes
- *
- * @return string Sort attribute or False if no match
- */
- private function _find_vlv($base_dn, $filter, $scope, $sort_attrs = null)
- {
- if (!$this->config['vlv'] || $scope == 'base') {
- return false;
- }
-
- // get vlv config
- $vlv_config = $this->_read_vlv_config();
-
- if ($vlv = $vlv_config[$base_dn]) {
- $this->_debug("D: Found a VLV for $base_dn");
-
- if ($vlv['filter'] == strtolower($filter) || stripos($filter, '(&'.$vlv['filter'].'(') === 0) {
- $this->_debug("D: Filter matches");
- if ($vlv['scope'] == $scope) {
- // Not passing any sort attributes means you don't care
- if (empty($sort_attrs) || in_array($sort_attrs, $vlv['sort'])) {
- return $vlv['sort'][0];
- }
- }
- else {
- $this->_debug("D: Scope does not match");
- }
- }
- else {
- $this->_debug("D: Filter does not match");
- }
- }
- else {
- $this->_debug("D: No VLV for $base_dn");
- }
-
- return false;
- }
-
- /**
- * Return VLV indexes and searches including necessary configuration
- * details.
- */
- private function _read_vlv_config()
- {
- if (empty($this->config['vlv']) || empty($this->config['config_root_dn'])) {
- return array();
- }
- // return hard-coded VLV config
- else if (is_array($this->config['vlv'])) {
- return $this->config['vlv'];
- }
-
- // return cached result
- if (is_array($this->vlv_config)) {
- return $this->vlv_config;
- }
-
- if ($this->cache && ($cached_config = $this->cache->get('vlvconfig'))) {
- $this->vlv_config = $cached_config;
- return $this->vlv_config;
- }
-
- $this->vlv_config = array();
- $config_root_dn = $this->config['config_root_dn'];
-
- $ldap_result = ldap_search($this->conn, $config_root_dn, '(objectclass=vlvsearch)', array('*'), 0, 0, 0);
- $vlv_searches = new rcube_ldap_result($this->conn, $ldap_result, $config_root_dn, '(objectclass=vlvsearch)');
-
- if ($vlv_searches->count() < 1) {
- $this->_debug("D: Empty result from search for '(objectclass=vlvsearch)' on '$config_root_dn'");
- return array();
- }
-
- foreach ($vlv_searches->entries(true) as $vlv_search_dn => $vlv_search_attrs) {
- // Multiple indexes may exist
- $ldap_result = ldap_search($this->conn, $vlv_search_dn, '(objectclass=vlvindex)', array('*'), 0, 0, 0);
- $vlv_indexes = new rcube_ldap_result($this->conn, $ldap_result, $vlv_search_dn, '(objectclass=vlvindex)');
-
- // Reset this one for each VLV search.
- $_vlv_sort = array();
- foreach ($vlv_indexes->entries(true) as $vlv_index_dn => $vlv_index_attrs) {
- $_vlv_sort[] = explode(' ', $vlv_index_attrs['vlvsort']);
- }
-
- $this->vlv_config[$vlv_search_attrs['vlvbase']] = array(
- 'scope' => self::scopeint2str($vlv_search_attrs['vlvscope']),
- 'filter' => strtolower($vlv_search_attrs['vlvfilter']),
- 'sort' => $_vlv_sort,
- );
- }
-
- // cache this
- if ($this->cache)
- $this->cache->set('vlvconfig', $this->vlv_config);
-
- $this->_debug("D: Refreshed VLV config: " . var_export($this->vlv_config, true));
-
- return $this->vlv_config;
- }
-
- /**
- * Generate BER encoded string for Virtual List View option
- *
- * @param integer List offset (first record)
- * @param integer Records per page
- *
- * @return string BER encoded option value
- */
- private static function _vlv_ber_encode($offset, $rpp, $search = '')
- {
- /*
- this string is ber-encoded, php will prefix this value with:
- 04 (octet string) and 10 (length of 16 bytes)
- the code behind this string is broken down as follows:
- 30 = ber sequence with a length of 0e (14) bytes following
- 02 = type integer (in two's complement form) with 2 bytes following (beforeCount): 01 00 (ie 0)
- 02 = type integer (in two's complement form) with 2 bytes following (afterCount): 01 18 (ie 25-1=24)
- a0 = type context-specific/constructed with a length of 06 (6) bytes following
- 02 = type integer with 2 bytes following (offset): 01 01 (ie 1)
- 02 = type integer with 2 bytes following (contentCount): 01 00
-
- with a search string present:
- 81 = type context-specific/constructed with a length of 04 (4) bytes following (the length will change here)
- 81 indicates a user string is present where as a a0 indicates just a offset search
- 81 = type context-specific/constructed with a length of 06 (6) bytes following
-
- The following info was taken from the ISO/IEC 8825-1:2003 x.690 standard re: the
- encoding of integer values (note: these values are in
- two-complement form so since offset will never be negative bit 8 of the
- leftmost octet should never by set to 1):
- 8.3.2: If the contents octets of an integer value encoding consist
- of more than one octet, then the bits of the first octet (rightmost)
- and bit 8 of the second (to the left of first octet) octet:
- a) shall not all be ones; and
- b) shall not all be zero
- */
-
- if ($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
-
- $ber_val = self::_ber_encode_int($offset); // returns encoded integer value in hex format
-
- // 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), $str);
- }
-
- /**
- * create ber encoding for sort control
- *
- * @param array List of cols to sort by
- * @return string BER encoded option value
- */
- private static function _sort_ber_encode($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), $str);
- }
-
- /**
- * Add BER sequence with correct length and the given identifier
- */
- private static function _ber_addseq($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 . $val;
- }
-
- /**
- * Returns ascii string encoded in hex
- */
- private static function _string2hex($str)
- {
- $hex = '';
- for ($i=0; $i < strlen($str); $i++) {
- $hex .= dechex(ord($str[$i]));
- }
- return $hex;
- }
-
}
+
+// for backward compat.
+class rcube_ldap_result extends Net_LDAP3_Result {}