phpldapadmin/server_functions.php

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2009-06-30 09:24:29 +00:00
<?php
2009-06-30 09:25:05 +00:00
/* $Header: /cvsroot/phpldapadmin/phpldapadmin/server_functions.php,v 1.10 2005/04/05 07:46:24 wurley Exp $ */
2009-06-30 09:24:29 +00:00
/**
* Classes and functions for LDAP server configuration and capability
*
* @author The phpLDAPadmin development team
* @package phpLDAPadmin
*/
/**
* @package phpLDAPadmin
*/
class LDAPServer
{
/** Server ID as defined in config.php */
var $server_id;
/** Server Name as defined in config.php */
var $name;
/** Server Hostname as defined in config.php */
var $host;
/** Server Port as defined in config.php */
var $port;
/** Server Authentication method as defined in config.php */
var $auth_type;
/** Server Authentication Login DN as defined in config.php */
var $login_dn;
/** Server Authentication Password as defined in config.php */
var $login_pass;
/** Array of our connections to this LDAP server */
var $connections = array();
/** Server Base Dn */
var $_baseDN;
/** Default constructor.
* @param int $server_id the server_id of the LDAP server as defined in config.php
* @todo Need some error checking here in case the config is screwed.
*/
function LDAPServer($server_id,$ignore=true)
{
global $servers, $lang;
// Other Internal Values
$this->_baseDN = null;
$this->_schemaDN = null;
$this->server_id = $server_id;
$this->name = isset( $servers[$server_id]['name'] ) ? $servers[$server_id]['name'] : '';
$this->auth_type = isset( $servers[$server_id]['auth_type'] ) ? $servers[$server_id]['auth_type'] : '';
if ($this->isValidServer($server_id)) {
$this->host = isset( $servers[$server_id]['host'] ) ? $servers[$server_id]['host'] : '';
$this->port = isset( $servers[$server_id]['port'] ) ? $servers[$server_id]['port'] : '';
} else {
if (! $ignore)
pla_error ( $lang['bad_server_id']." ($server_id)",null,-1,true );
else
return null;
}
$this->login_dn = isset( $servers[$server_id]['login_dn'] ) ? $servers[$server_id]['login_dn'] : false;
$this->login_pass = isset( $servers[$server_id]['login_pass'] ) ? $servers[$server_id]['login_pass'] : false;
}
/**
* Checks the specified server id for sanity. Ensures that the server is indeed in the configured
* list and active. This is used by many many scripts to ensure that valid server ID values
* are passed in POST and GET.
*
* @param int $server_id the server_id of the LDAP server as defined in config.php
* @return bool
*/
function isValidServer( $server_id )
{
global $servers;
if( ! is_numeric( $server_id )
|| ! isset( $servers[$server_id] )
|| ! isset( $servers[$server_id]['host'] )
|| trim($servers[$server_id]['host']) == '' )
return false;
else
return true;
}
/**
* Check if there is sufficent information to Authenticate to the LDAP server.
*
* Given a server, returns whether or not we have enough information
* to authenticate against the server. For example, if the user specifies
* auth_type of 'cookie' in the config for that server, it checks the $_COOKIE array to
* see if the cookie username and password is set for the server. If the auth_type
* is 'session', the $_SESSION array is checked.
*
* There are three cases for this function depending on the auth_type configured for
* the specified server. If the auth_type is session or cookie, then get_logged_in_dn() is
* called to verify that the user has logged in. If the auth_type is config, then the
* $servers array in config.php is checked to ensure that the user has specified
* login information. In any case, if phpLDAPadmin has enough information to login
* to the server, true is returned. Otherwise false is returned.
*
* @return bool
* @see get_logged_in_dn
*/
function haveAuthInfo()
{
global $servers;
// For session or cookie auth_types, we check the session or cookie to see if a user has logged in.
if( in_array( $this->auth_type, array( 'session', 'cookie' ) ) ) {
// we don't look at get_logged_in_pass() cause it may be null for anonymous binds
// get_logged_in_dn() will never return null if someone is really logged in.
if( get_logged_in_dn( $this ) )
return true;
else
return false;
}
// whether or not the login_dn or pass is specified, we return
// true here. (if they are blank, we do an anonymous bind anyway)
elseif( ! isset( $server['auth_type'] ) || $server['auth_type'] == 'config' ) {
return true;
} else {
global $lang;
pla_error( sprintf($lang['error_auth_type_config'],htmlspecialchars($server['auth_type'])) );
}
return false;
}
/**
* Connect to the LDAP server.
* @param bool $anonymous Connect as the anonymous user.
* @param bool $reconnect Use a cached connetion, or create a new one.
* @returns resource|false Connection resource to LDAP server, or false if no connection made.
* @todo Need to make changes so that multiple connects can be made.
*/
function connect($process_error=true,$anonymous=false,$reconnect=false,$connect_num=0)
{
debug_log(sprintf('%s::connect(): Starting with (%s,%s,%s,%s)',get_class($this),$process_error,$anonymous,$reconnect,$connect_num),8);
if (isset($this->connections[$connect_num]['resource']) && ! $reconnect) {
debug_log(sprintf('%s::connect(): Returning CACHED connection resource [%s](%s)',get_class($this),$this->connections[$connect_num]['resource'
],$connect_num),7);
return $this->connections[$connect_num]['resource'];
} else {
debug_log(sprintf('%s::connect(): Creating new connection #[%s] for Server ID [%s]',get_class($this),$connect_num,$this->server_id),9);
global $servers, $lang;
if( $anonymous == true ) {
debug_log(sprintf('%s::connect(): This IS an anonymous login',get_class($this)),9);
$this->connections[$connect_num]['login_dn'] = null;
$this->connections[$connect_num]['login_pass'] = null;
} // grab the auth info based on the auth_type for this server
elseif( $this->auth_type == 'config' ) {
debug_log(sprintf('%s::connect(): This IS a "config" login',get_class($this)),9);
$this->connections[$connect_num]['login_dn'] = $servers[$this->server_id]['login_dn'];
$this->connections[$connect_num]['login_pass'] = $servers[$this->server_id]['login_pass'];
$this->connections[$connect_num]['login_dn'] = expand_dn_with_base( $this, $this->connections[$connect_num]['login_dn'], false );
debug_log(sprintf('%s::connect(): Config settings, DN [%s], PASS [%s]',get_class($this),
$this->connections[$connect_num]['login_dn'],
$this->connections[$connect_num]['login_pass'] ? md5($this->connections[$connect_num]['login_pass']) : ''),9);
} else {
debug_log(sprintf('%s::connect(): This IS some other login',get_class($this)),9);
$this->connections[$connect_num]['login_dn'] = get_logged_in_dn( $this );
$this->connections[$connect_num]['login_pass'] = get_logged_in_pass( $this );
debug_log(sprintf('%s::connect(): Config settings, DN [%s], PASS [%s]',get_class($this),
$this->connections[$connect_num]['login_dn'],
$this->connections[$connect_num]['login_pass'] ? md5($this->connections[$connect_num]['login_pass']) : ''),9);
// Was this an anonyous bind (the cookie stores 0 if so)?
if( 'anonymous' == $this->connections[$connect_num]['login_dn'] ) {
$this->connections[$connect_num]['login_dn'] = null;
$this->connections[$connect_num]['login_pass'] = null;
$anonymous = true;
}
}
if (! $anonymous && ! $this->connections[$connect_num]['login_dn'] && ! $this->connections[$connect_num]['login_pass']) {
debug_log(sprintf('%s::connect(): We dont have enough auth info for server [%s]',get_class($this),$this->server_id),9);
return false;
}
run_hook ( 'pre_connect', array ( 'server_id' => $this->server_id,
'connect_num' => $connect_num,
'anonymous' => $anonymous ) );
if( $this->port )
$resource = @ldap_connect( $this->host, $this->port );
else
$resource = @ldap_connect( $this->host );
debug_log(sprintf('%s::connect(): LDAP Resource [%s], Host [%s], Port [%s]',get_class($this),$resource,$this->host,$this->port),9);
// go with LDAP version 3 if possible (needed for renaming and Novell schema fetching)
@ldap_set_option( $resource, LDAP_OPT_PROTOCOL_VERSION, 3 );
// Disabling this makes it possible to browse the tree for Active Directory, and seems
// to not affect other LDAP servers (tested with OpenLDAP) as phpLDAPadmin explicitly
// specifies deref behavior for each ldap_search operation.
@ldap_set_option( $resource, LDAP_OPT_REFERRALS, 0);
// try to fire up TLS is specified in the config
if( $this->isTLSEnabled() ) {
function_exists( 'ldap_start_tls' ) or pla_error( $lang['php_install_not_supports_tls'] );
@ldap_start_tls( $resource ) or pla_error( $lang['could_not_start_tls'], ldap_error($resource));
}
$bind_result = @ldap_bind( $resource, $this->connections[$connect_num]['login_dn'],
$this->connections[$connect_num]['login_pass'] );
debug_log(sprintf('%s::connect(): Resource [%s], Bind Result [%s]',
get_class($this),$resource,$bind_result),9);
if( ! $bind_result ) {
debug_log(sprintf('%s::connect(): Leaving with FALSE, bind FAILed',get_class($this)),9);
if ($process_error) {
switch( ldap_errno($resource) ) {
case 0x31:
pla_error( $lang['bad_user_name_or_password'] );
break;
case 0x32:
pla_error( $lang['insufficient_access_rights'] );
break;
case -1:
pla_error( sprintf($lang['could_not_connect_to_host_on_port'],$this->host,$this->port) );
break;
default:
pla_error( $lang['could_not_bind'], ldap_err2str( $resource ), $resource );
}
} else {
return false; // ldap_errno( $resource );
}
}
if (is_resource($resource) && ($bind_result)) {
debug_log(sprintf('%s::connect(): Bind successful',get_class($this)),9);
$this->connections[$connect_num]['connected'] = true;
$this->connections[$connect_num]['resource'] = $resource;
/*
} else {
if ($process_error) {
debug_log(sprintf('Server: [%s], Username: [%s], Password: [%s]',
$this->server_id,
$this->connections[$connect_num]['login_dn'],
$this->connections[$connect_num]['login_pass']),9);
if( is_numeric( $resource ) ) {
switch( $resource ) {
case -1: pla_error( $lang['bad_server_id'] ); break;
case -2: pla_error( $lang['not_enough_login_info'] ); break;
default: pla_error( $lang['ferror_error'] ); break;
}
// return true; Do we get here?
}
switch( $resource ) {
case 0x31:
pla_error( $lang['bad_user_name_or_password'] );
break;
case 0x32:
pla_error( $lang['insufficient_access_rights'] );
break;
case 0x5b:
pla_error( $lang['could_not_connect'] );
break;
default:
pla_error( $lang['could_not_bind'], ldap_err2str( $this->connections[$connect_num]['resource'] ), $this->connections[$connect_num]['resource'] );
}
}
debug_log(sprintf('%s::connect(): Leaving with FALSE',get_class($this)),9);
return false;
*/
}
}
debug_log(sprintf('%s::connect(): Leaving with Connect #[%s], Resource [%s]',get_class($this),$connect_num,$this->connections[$connect_num]['resource']),9);
return $this->connections[$connect_num]['resource'];
}
/**
* Gets the root DN of the specified LDAPServer, or null if it
* can't find it (ie, the server won't give it to us, or it isnt
* specified in the configuration file).
*
* Tested with OpenLDAP 2.0, Netscape iPlanet, and Novell eDirectory 8.7 (nldap.com)
* Please report any and all bugs!!
*
* Please note: On FC systems, it seems that php_ldap uses /etc/openldap/ldap.conf in
* the search base if it is blank - so edit that file and comment out the BASE line.
*
* @return array dn|null The root DN of the server on success (string) or null on error.
* @todo Sort the entries, so that they are in the correct DN order.
*/
function getBaseDN()
{
global $servers;
debug_log(sprintf('%s::getBaseDN(): Looking for BaseDN',get_class($this)),8);
// Return the cached entry if we've been here before.
if (! is_null($this->_baseDN)) {
debug_log(sprintf('%s::getBaseDN(): Return CACHED BaseDN [%s]',get_class($this),implode('|',$this->_baseDN)),7);
return $this->_baseDN;
}
debug_log(sprintf('%s::getBaseDN(): Checking config for BaseDN',get_class($this)),9);
// If the base is set in the configuration file, then just return that.
// @todo Do we need to test if the config array is blank?
if (isset($servers[$this->server_id]['base']) && $servers[$this->server_id]['base']) {
$this->_baseDN = is_array($servers[$this->server_id]['base']) ? $servers[$this->server_id]['base'] : array($servers[$this->server_id]['base']);
debug_log(sprintf('%s::getBaseDN(): Return BaseDN from Config [%s]',get_class($this),implode('|',$this->_baseDN)),4);
return $this->_baseDN;
// We need to figure it out.
} else {
debug_log(sprintf('%s::getBaseDN(): Connect to LDAP to find BaseDN',get_class($this)),9);
// Are we connected
// @todo This bit needs to be more robust.
if ($this->connect()) {
$r = @ldap_read( $this->connect(), "", 'objectClass=*', array( 'namingContexts' ) );
debug_log(sprintf('%s::getBaseDN(): Search Results [%s], Resource [%s], Msg [%s]',get_class($this),$r,$this->connect(),ldap_error($this->connect())),9);
if( ! $r )
return array('');
$r = @ldap_get_entries( $this->connect(false), $r );
if( isset( $r[0]['namingcontexts'] ) ) {
// If we have a count key, delete it - dont need it.
if (isset($r[0]['namingcontexts']['count']))
unset($r[0]['namingcontexts']['count']);
debug_log(sprintf('%s::getBaseDN(): LDAP Entries:%s',get_class($this),implode('|',$r[0]['namingcontexts'])),5);
$this->_baseDN = $r[0]['namingcontexts'];
// @todo Do we need this session?
//$_SESSION[ "pla_root_dn_$this->server_id" ] = $this->_baseDN;
return $this->_baseDN;
} else {
return array('');
}
} else {
return array('');
}
}
}
/**
* Returns true if the specified server is configured to be displayed
* in read only mode.
*
* If a user has logged in via anonymous bind, and config.php specifies
* anonymous_bind_implies_read_only as true, then
* this also returns true. Servers can be configured read-only in
* config.php thus:
* <code>
* $server[$i]['read_only'] = true;
* </code>
*
* @return bool
*/
function isReadOnly()
{
global $servers;
if( isset( $servers[$this->server_id]['read_only'] ) &&
$servers[$this->server_id]['read_only'] == true )
return true;
global $anonymous_bind_implies_read_only;
if( "anonymous" == get_logged_in_dn( $this ) &&
isset( $anonymous_bind_implies_read_only ) &&
$anonymous_bind_implies_read_only == true )
return true;
return false;
}
/**
* Returns true if the user has configured the specified server to enable mass deletion.
*
* Mass deletion is enabled in config.php this:
* <code>
* $enable_mass_delete = true;
* </code>
* Notice that mass deletes are not enabled on a per-server basis, but this
* function checks that the sever is not in a read-only state as well.
*
* @return bool
*/
function isMassDeleteEnabled()
{
global $enable_mass_delete;
if( $this->connect(false) &&
$this->haveAuthInfo() &&
! $this->isReadOnly() &&
isset( $enable_mass_delete ) &&
true === $enable_mass_delete )
return true;
else
return false;
}
/**
* Gets whether the admin has configured phpLDAPadmin to show the "Create New" link in the tree viewer.
*
* <code>
* $server[$i]['show_create'] = true|false;
* </code>
* If $servers[$server_id]['show_create'] is NOT set, then default to show the Create New item.
* If $servers[$server_id]['show_create'] IS set, then return the value (it should be true or false).
*
* @return bool True if the feature is enabled and false otherwise.
*/
function isShowCreateEnabled()
{
global $servers;
if( isset( $servers[$this->server_id]['show_create'] ))
return $servers[$this->server_id]['show_create'];
else
return true;
}
/**
* Fetch whether the user has configured a certain server as "low bandwidth".
*
* Users may choose to configure a server as "low bandwidth" in config.php thus:
* <code>
* $servers[$i]['low_bandwidth'] = true;
* </code>
* @return bool
*/
function isLowBandwidth()
{
global $servers;
if( isset( $servers[$this->server_id]['low_bandwidth'] ) && true == $servers[$this->server_id]['low_bandwidth'] )
return true;
else
return false;
}
/**
* Should this LDAP server be shown in the tree?
*
* <code>
* $server[$i]['visible'] = true;
* </code>
* @return bool True if the feature is enabled and false otherwise.
*/
function isVisible()
{
global $servers;
$is_visible = ( ! isset( $servers[$this->server_id]['visible'] )
|| ( $servers[$this->server_id]['visible'] === true ) );
if( $this->isValidServer($this->server_id) && $is_visible )
return true;
else
return false;
}
/**
* This function will query the ldap server and request the subSchemaSubEntry which should be the Schema DN.
*
* If we cant connect to the LDAP server, we'll return false.
* If we can connect but cant get the entry, then we'll return null.
*
* @return array|false Schema if available, null if its not or false if we cant connect.
* @param bool $debug Switch to true to see some nice and copious output. :)
*/
function getSchemaDN($dn='', $debug = false)
{
// If we already got the SchemaDN, then return it.
if ($this->_schemaDN)
return $this->_schemaDN;
if( $debug ) echo "<pre>";
if (! $this->connect())
return false;
$search = @ldap_read( $this->connect(), $dn, 'objectClass=*', array( 'subschemaSubentry' ) );
if( $debug ) { printf("%s::getSchemaDN(): ldap_read: ",get_class($this)); var_dump( $search ); echo "\n"; }
if( ! $search ) {
if( $debug ) printf("%s::getSchemaDN(): returning null. (search result is blank)<BR>",get_class($this));
return null;
}
if( @ldap_count_entries( $this->connect(), $search ) == 0 ) {
if( $debug ) printf("%s::getSchemaDN(): returning null. (ldap_count_entries() == 0)<BR>",get_class($this));
return null;
}
$entries = @ldap_get_entries( $this->connect(), $search );
if( $debug ) { echo "Entries (ldap_get_entries): "; var_dump( $entries ); echo "\n"; }
if( ! $entries || ! is_array( $entries ) ) {
if( $debug ) printf("%s::getSchemaDN(): returning null. (Bad entries, false or not array)<BR>",get_class($this));
return null;
}
$entry = isset( $entries[0] ) ? $entries[0] : false;
if( ! $entry ) {
if( $debug ) printf("%s::getSchemaDN(): returning null. (entry is false)<BR>",get_class($this));
return null;
}
$sub_schema_sub_entry = isset( $entry[0] ) ? $entry[0] : false;
if( ! $sub_schema_sub_entry ) {
if( $debug ) printf("%s::getSchemaDN(): returning null. (sub_schema_sub_entry val is false)<BR>",get_class($this));
return null;
}
$this->_schemaDN = isset( $entry[ $sub_schema_sub_entry ][0] ) ? $entry[ $sub_schema_sub_entry ][0] : false;
if( $debug ) printf("%s::getSchemaDN(): returning (%s)<BR>",get_class($this),$this->_schemaDN);
return $this->_schemaDN;
}
/**
* Fetches the raw schema array for the subschemaSubentry of the server. Note,
* this function has grown many hairs to accomodate more LDAP servers. It is
* needfully complicated as it now supports many popular LDAP servers that
* don't necessarily expose their schema "the right way".
*
* Please note: On FC systems, it seems that php_ldap uses /etc/openldap/ldap.conf in
* the search base if it is blank - so edit that file and comment out the BASE line.
*
* @param string $schema_to_fetch - A string indicating which type of schema to
* fetch. Five valid values: 'objectclasses', 'attributetypes',
* 'ldapsyntaxes', 'matchingruleuse', or 'matchingrules'.
* Case insensitive.
* @param dn $dn (optional) This paremeter is the DN of the entry whose schema you
* would like to fetch. Entries have the option of specifying
* their own subschemaSubentry that points to the DN of the system
* schema entry which applies to this attribute. If unspecified,
* this will try to retrieve the schema from the RootDSE subschemaSubentry.
* Failing that, we use some commonly known schema DNs. Default
* value is the Root DSE DN (zero-length string)
* @return array an array of strings of this form:
* Array (
* [0] => "( 1.3.6.1.4.1.7165.1.2.2.4 NAME 'gidPool' DESC 'Pool ...
* [1] => "( 1.3.6.1.4.1.7165.2.2.3 NAME 'sambaAccount' DESC 'Sa ...
* etc.
*/
function getRawSchema($schema_to_fetch, $dn='')
{
global $lang;
// Swith to true to enable verbose output of schema fetching progress
$debug = false;
if (! $this->connect())
return false;
// error checking
$schema_to_fetch = strtolower( $schema_to_fetch );
$valid_schema_to_fetch = array( 'objectclasses', 'attributetypes', 'ldapsyntaxes',
'matchingrules', 'matchingruleuse' );
if( ! in_array( $schema_to_fetch, $valid_schema_to_fetch ) )
// This error message is not localized as only developers should ever see it
pla_error( "Bad parameter provided to function to ". get_class($this) ."::getRawSchema(). '"
. htmlspecialchars( $schema_to_fetch ) . "' is not valid for the schema_to_fetch parameter." );
// Try to get the schema DN from the specified entry.
$schema_dn = $this->getSchemaDN($dn,$debug);
// Do we need to try again with the Root DSE?
if( ! $schema_dn )
$schema_dn = $this->getSchemaDN('', $debug);
// Store the eventual schema retrieval in $schema_search
$schema_search = null;
if( $schema_dn ) {
if( $debug ) { printf("%s::getRawSchema(): Found the Schema DN:<BR>",get_class($this)); var_dump( $schema_dn ); echo "\n"; }
$schema_search = @ldap_read( $this->connect(), $schema_dn, '(objectClass=*)',
array( $schema_to_fetch ), 0, 0, 0, LDAP_DEREF_ALWAYS );
// Were we not able to fetch the schema from the $schema_dn?
$schema_entries = @ldap_get_entries( $this->connect(), $schema_search );
if( $schema_search === false ||
0 == @ldap_count_entries( $this->connect(), $schema_search ) ||
! isset( $schema_entries[0][$schema_to_fetch] ) ) {
// Try again with a different filter (some servers require (objectClass=subschema) like M-Vault)
if( $debug ) printf("%s::getRawSchema(): Did not find the schema with (objectClass=*). Attempting with (objetClass=subschema):<BR>",get_class($this));
$schema_search = @ldap_read( $this->connect(), $schema_dn, '(objectClass=subschema)',
array( $schema_to_fetch ), 0, 0, 0, LDAP_DEREF_ALWAYS );
$schema_entries = @ldap_get_entries( $this->connect(), $schema_search );
// Still didn't get it?
if( $schema_search === false ||
0 == @ldap_count_entries( $this->connect(), $schema_search ) ||
! isset( $schema_entries[0][$schema_to_fetch] ) ) {
if( $debug ) printf("%s::getRawSchema(): Did not find the schema with DN: %s (with objectClass=* nor objectClass=subschema)<BR>",get_class($this),$schema_dn);
unset( $schema_entries );
$schema_search = null;
} else {
if( $debug ) printf("%s::getRawSchema(): Found the schema at DN: %s (objectClass=subschema)<BR>",get_class($this),$schema_dn);
}
} else {
if( $debug ) printf("%s::getRawSchema(): Found the schema at DN: %s (objectClass=*)<BR>",get_class($this),$schema_dn);
}
}
// Second chance: If the DN or Root DSE didn't give us the subschemaSubentry, ie $schema_search
// is still null, use some common subSchemaSubentry DNs as a work-around.
if ($schema_search == null) {
if( $debug )
printf("%s::getRawSchema(): Attempting work-arounds for 'broken' LDAP servers...<BR>",get_class($this));
// OpenLDAP and Novell
// @todo Fix expand_dn_with_base - no longer works since getBaseDN is now an arrya.
$ldap['OpenLDAP']['cn=subschema'] = '(objectClass=*)';
// $ldap['W2K3 AD'][expand_dn_with_base($this,'cn=Aggregate,cn=Schema,cn=configuration,',true)] = '(objectClass=*)';
// $ldap['W2K AD'][expand_dn_with_base($this,'cn=Schema,cn=configuration,',true)] = '(objectClass=*)';
// $ldap['W2K AD'][expand_dn_with_base($this,'cn=Schema,ou=Admin,',true)] = '(objectClass=*)';
foreach ($ldap as $ldap_server_name => $ldap_options) {
foreach ($ldap_options as $ldap_dn => $ldap_filter) {
if( $debug ) printf("%s::getRawSchema(): Attempting [%s] (%s) (%s)<BR>",get_class($this),$ldap_server_name,$ldap_dn,$ldap_filter);
$schema_search = @ldap_read($this->connect(), $ldap_dn, $ldap_filter,
array( $schema_to_fetch ), 0, 0, 0, LDAP_DEREF_ALWAYS );
}
if ($schema_search)
break;
}
// Still cant find the schema, try with the RootDSE
// Attempt to pull schema from Root DSE with scope "base", or
// Attempt to pull schema from Root DSE with scope "one" (work-around for Isode M-Vault X.500/LDAP)
}
if ($schema_search == null) {
foreach (array('base','one') as $ldap_scope) {
if( $debug ) printf("%s::getRawSchema(): Attempting [%s] (%s) (%s) - %s<BR>",get_class($this),'RootDSE','','(objectClass=*)',$ldap_scope);
if ($ldap_scope == 'base')
$schema_search = @ldap_read($this->connect(), '', '(objectClass=*)',
array( $schema_to_fetch ), 0, 0, 0, LDAP_DEREF_ALWAYS );
else
$schema_search = @ldap_list($this->connect(), '', '(objectClass=*)',
array( $schema_to_fetch ), 0, 0, 0, LDAP_DEREF_ALWAYS );
$schema_entries = @ldap_get_entries( $this->connect(), $schema_search );
if( ! isset( $schema_entries[0][$schema_to_fetch] ) )
$schema_search = null;
else
break;
}
}
// Shall we just give up?
if( $schema_search == null ) {
if( $debug ) printf("%s::getRawSchema(): Returning false since schema_search came back null",get_class($this));
set_schema_cache_unavailable( $this->server_id, $schema_to_fetch );
return false;
}
// Did we get something unrecognizable?
if( 'resource' != gettype( $schema_search ) ) {
if( $debug ) printf("%s::getRawSchema(): Returning false since schema_search is not of type 'resource', here is a dump:",get_class($this));
if( $debug ) var_dump( $schema_search );
if( $debug ) echo "</pre>";
set_schema_cache_unavailable( $this->server_id, $schema_to_fetch );
return false;
}
$schema = @ldap_get_entries( $this->connect(), $schema_search );
if( $schema == false ) {
if( $debug ) printf("%s::getRawSchema(): Returning false since ldap_get_entries() returned false.</pre>",get_class($this));
set_schema_cache_unavailable( $this->server_id, $schema_to_fetch );
return false;
}
if( ! isset( $schema[0][$schema_to_fetch] ) ) {
if( $debug ) printf("%s::getRawSchema(): Returning false since '%s' isn't in the schema array. Showing schema array:\n",get_class($this),$schema_to_fetch);
if( $debug ) var_dump( $schema );
if( $debug ) echo "</pre>";
set_schema_cache_unavailable( $this->server_id,$schema_to_fetch );
return false;
}
// Make a nice array of this form:
// Array (
// [0] => "( 1.3.6.1.4.1.7165.1.2.2.4 NAME 'gidPool' DESC 'Pool ...
// [1] => "( 1.3.6.1.4.1.7165.2.2.3 NAME 'sambaAccount' DESC 'Sa ...
// etc.
$schema = $schema[0][$schema_to_fetch];
unset( $schema['count'] );
if( $debug ) var_dump( $schema );
if( $debug ) echo "</pre>";
return $schema;
}
/**
* Fetches whether the login_attr feature is enabled for a specified server.
*
* This is configured in config.php thus:
* <code>
* $servers[$server_id]['login_attr'] = 'uid';
* </code>
* By virtue of the fact that the login_attr is not blank and not 'dn', the
* feature is configured to be enabled.
*
* @return bool
*/
function isLoginAttrEnabled()
{
global $servers;
if( isset( $servers[$this->server_id]['login_attr'] ) &&
0 != strcasecmp( $servers[$this->server_id]['login_attr'], "dn" ) &&
trim( $servers[$this->server_id]['login_attr'] != "" ) )
return true;
else
return false;
}
/**
* Fetches whether the login_attr feature is enabled for a specified server.
*
* This is configured in config.php thus:
* <code>
* $servers[$server_id]['login_attr'] = 'uid';
* </code>
*
* @return bool
*/
function isLoginStringEnabled()
{
global $servers;
if( isset( $servers[$this->server_id]['login_attr'] ) &&
0 == strcasecmp( $servers[$this->server_id]['login_attr'], "string" ) )
return true;
else
return false;
}
/**
* Fetches the login_attr string if enabled for a specified server.
*
* This is configured in config.php thus:
* <code>
* $servers[$server_id]['login_attr'] = 'uid';
* </code>
*
* @return string|false
*/
2009-06-30 09:25:05 +00:00
function getLoginString()
2009-06-30 09:24:29 +00:00
{
global $servers;
if( isset( $servers[$this->server_id]['login_string'] ) )
return $servers[$this->server_id]['login_string'];
else
return false;
}
/**
* Fetch whether the user has configured a certain server login to be non anonymous
*
* <code>
* $servers[$i]['disable_anon_bind'] = true;
* </code>
* @return bool
*/
function isAnonBindAllowed()
{
global $servers;
// If only_login_allowed_dns is set, then we cant have anonymous.
if ( isset( $servers[$this->server_id]['only_login_allowed_dns'] )
&& is_array( $servers[$this->server_id]['only_login_allowed_dns'] )
&& count($servers[$this->server_id]['only_login_allowed_dns'] ) > 0 )
return false;
else
return ( ! isset( $servers[$this->server_id]['disable_anon_bind'] )
|| false == $servers[$this->server_id]['disable_anon_bind'] )
? true
: false;
}
/**
* Fetches whether TLS has been configured for use with a certain server.
*
* Users may configure phpLDAPadmin to use TLS in config,php thus:
* <code>
* $servers[$i]['tls'] = true;
* </code>
* @param int $server_id The ID of the server of interest from config.php.
* @return bool
*/
function isTLSEnabled()
{
global $servers;
if( isset( $servers[$this->server_id]['tls'] ) && true == $servers[$this->server_id]['tls'] )
return true;
else
return false;
}
}
?>