<?php

/*
	log onto the directory
	host & port are check using a ldap_connect()
	register conexion parameters in the session array $ldapmanager
*/

if( isset($_POST) && is_array($_POST) ) {
	$form = $_POST;
} else {
	$form = $HTTP_POST_VARS;
}

session_unregister( "ldapmanager" );

while( 1 ) 
{	
	
	if( empty($form['host']) or empty($form['port']) ) {
		$errorMsg = "Host and port required";
		break;
	}

	$ds = ldap_connect( $form['host'], $form['port'] );
	
	if( ! $ds ) {
		$errorMsg = "Bad host or port: $form[host] , $form[port]";
		break;
	}

	if( isset($form['binddn']) && $form['binddn'] != "" ) {
		
		$binddn = $form['binddn'];
		$bindpw = $form['bindpw'];
		
		// simple uid given, we search for the DN
		if( ! strstr( $binddn, "=" ) ) {
			$sr = ldap_search( $ds, $basedn, "uid=$binddn" );
			$tmp = ldap_get_entries( $ds, $sr );
			if( is_array($tmp) && $tmp['count'] == 1 ) {
				$binddn = $tmp[0]['dn'];
			} else {
				$errorMsg = "Bad username";
				break;
			}
		}
	} else {
		$binddn = "";
		$bindpw = "";	
	}
	
	// try to bind
	if( $binddn != "" ) {
		$ret = ldap_bind( $ds, $binddn, $bindpw );
		if( ! $ret ) {
			$errorMsg = "Bad password ";
			break;
		}
	}

	// get available baseDNs from Server
	if( isset( $LookupDN ) && isset( $host) && isset($port)) {
	
		$sr = ldap_read( $ds, "", "objectclass=*" );
		
		$entries = ldap_get_entries($ds,$sr );
//		echo "<pre>"; print_r( $entries);
		if( $entries['count'] == 1 ) {
			$contexts = $entries[0]['namingcontexts'];
			unset( $contexts['count'] );
			$config->basedn = $contexts;
		}
		$errorMsg = "Available Base DN displayed in baseDN field";
	}
	
	ldap_close($ds);
	
	// silently ignore bad input
	( $maxTreeItems <= 0 ) && $maxTreeItems = $config->maxtreeitems;
	
	// save connexion params in session
	$ldapmanager = array(
		"basedn" => $basedn,
		"host" => $form['host'],
		"port" => $form['port'],
		"filter" => 'objectclass=*',
		"binddn" => $binddn,
		"bindpw" => $bindpw,
		"convertCharset" => $form['convertCharset'],
		"maxTreeItems" => $form['maxTreeItems'],
	);

	session_register( "ldapmanager" );
	
	$statusMsg = "Welcome to LDAP Navigator ! You are logged on the LDAP server <b>$ldapmanager[host]:$ldapmanager[port]</b>";
	break;
	
}

if( isset($errorMsg) ) {
	include_once( "./modules/authent/login.php" );
	exit;
}

// echo "<pre>"; print_r( $ldapmanager ); print_r( $_SESSION );
	

?>