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<?php
// $Header: /cvsroot/phpldapadmin/phpldapadmin/login.php,v 1.35 2004/10/24 23:51:49 uugdave Exp $
/**
* For servers whose auth_type is set to 'cookie' or 'session'. Pass me the login info
* and I'll write two cookies, pla_login_dn_X and pla_pass_X
* where X is the server_id. The cookie_time comes from config.php
*
* Note: this file uses ldap_connect() and ldap_bind() only for purposes
* of verifying the user-supplied DN and Password.
*
* Variables that come in as POST vars:
* - login_dn
* - login_pass
* - server_id
*/
require './common.php';
// Prevents users from coming here without going through the proper channels
isset( $_POST['server_id'] ) or header( "Location: index.php" );
$server_id = $_POST['server_id'];
$dn = isset( $_POST['login_dn'] ) ? $_POST['login_dn'] : null;
$uid = isset( $_POST['uid'] ) ? $_POST['uid'] : null;
$pass = isset( $_POST['login_pass'] ) ? $_POST['login_pass'] : null;
$anon_bind = isset( $_POST['anonymous_bind'] ) && $_POST['anonymous_bind'] == 'on' && is_anonymous_bind_allowed($server_id) ? true : false;
check_server_id( $server_id ) or pla_error( $lang['bad_server_id'] );
if( ! $anon_bind ) {
strlen($pass) or pla_error( $lang['password_blank'] );
}
$auth_type = $servers[$server_id]['auth_type'];
if( $anon_bind ) {
$dn = null;
$pass = null;
}
// Checks if the login_attr option is enabled for this host,
// which allows users to login with a simple username like 'jdoe' rather
// than the fully qualified DN, 'uid=jdoe,ou=people,,dc=example,dc=com'.
elseif ( login_attr_enabled( $server_id ) ) {
// Is this a login string (printf-style)
if( login_string_enabled( $server_id ) ) {
$dn = str_replace( '<username>', $uid, get_login_string( $server_id ) );
} else {
// This is a standard login_attr
// Fake the auth_type of config to do searching. This way, the admin can specify
// the DN to use when searching for the login_attr user.
$servers[$server_id]['auth_type'] = 'config';
// search for the "uid" first
set_error_handler( 'temp_login_error_handler' );
$ds = pla_ldap_connect( $server_id );
pla_ldap_connection_is_error( $ds );
restore_error_handler();
$search_base = isset( $servers[$server_id]['base'] ) && '' != trim( $servers[$server_id]['base'] ) ?
$servers[$server_id]['base'] :
try_to_get_root_dn( $server_id, $ds );
if (!empty($servers[$server_id]['login_class'])) {
$filter = '(&(objectClass='.$servers[$server_id]['login_class'].')('.$servers[$server_id]['login_attr'].'='.$uid.'))';
} else {
$filter = $servers[$server_id]['login_attr'].'='.$uid;
}
$sr = @ldap_search($ds, $search_base, $filter, array('dn'), 0, 1);
$result = @ldap_get_entries($ds, $sr);
$dn = isset( $result[0]['dn'] ) ? $result[0]['dn'] : false;
if( ! $dn ) {
pla_error( $lang['bad_user_name_or_password'] );
}
// restore the original auth_type
$servers[$server_id]['auth_type'] = $auth_type;
}
}
// We fake a 'config' server auth_type to omit duplicated code
$auth_type = $servers[$server_id]['auth_type'];
$servers[$server_id]['auth_type'] = 'config';
$servers[$server_id]['login_dn'] = $dn;
$servers[$server_id]['login_pass'] = $pass;
// verify that the login is good
if( null == $dn && null == $pass )
$ds = pla_ldap_connect( $server_id, true, false );
else
$ds = pla_ldap_connect( $server_id, false, false );
if( ! is_resource( $ds ) ) {
if( $anon_bind )
pla_error( $lang['could_not_bind_anon'] );
else
pla_error( $lang['bad_user_name_or_password'] );
}
$servers[$server_id]['auth_type'] = $auth_type;
set_login_dn( $server_id, $dn, $pass, $anon_bind ) or pla_error( $lang['could_not_set_cookie'] );
initialize_session_tree();
$_SESSION['tree'][$server_id] = array();
$_SESSION['tree_icons'][$server_id] = array();
session_write_close();
include realpath( 'header.php' );
?>
<body>
<script language="javascript">
<?php if( $anon_bind && anon_bind_tree_disabled() ) { ?>
parent.location.href='search.php?server_id=<?php echo $server_id; ?>'
<?php } else { ?>
parent.left_frame.location.reload();
<?php } ?>
</script>
<center>
<br />
<br />
<br />
<?php echo sprintf( $lang['successfully_logged_in_to_server'],
htmlspecialchars( $servers[$server_id]['name'] ) ); ?><br />
<?php if( $anon_bind ) { ?>
(<?php echo $lang['anonymous_bind']; ?>)
<?php } ?>
<br />
</center>
</body>
</html>
<?php
/**
* Only gets called when we fail to login.
*/
function temp_login_error_handler( $errno, $errstr, $file, $lineno )
{
global $lang;
if( 0 == ini_get( 'error_reporting' ) || 0 == error_reporting() )
return;
pla_error( $lang['could_not_connect'] . "<br /><br />" . htmlspecialchars( $errstr ) );
}
?>
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