phpldapadmin/htdocs/login.php
2009-06-30 19:40:37 +10:00

193 lines
5.4 KiB
PHP

<?php
// $Header: /cvsroot/phpldapadmin/phpldapadmin/htdocs/login.php,v 1.49.2.2 2005/10/17 10:03:38 wurley 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 via common.php
* - server_id
* Variables that come in as POST vars:
* - login_dn
* - login_pass
*
* @package phpLDAPadmin
*/
/**
*/
require './common.php';
# Prevents users from coming here without going through the proper channels
if (! isset($ldapserver))
header("Location: index.php");
$dn = isset( $_POST['login_dn'] ) ? $_POST['login_dn'] : null;
$uid = isset( $_POST['uid'] ) ? $_POST['uid'] : null;
$pass = isset( $_POST['login_pass'] ) ? $_POST['login_pass'] : null;
if ($ldapserver->isAnonBindAllowed())
$anon_bind = isset( $_POST['anonymous_bind'] ) && $_POST['anonymous_bind'] == 'on' ? true : false;
else
$anon_bind = false;
if( ! $anon_bind )
strlen($pass) or pla_error( $lang['password_blank'] );
$save_auth_type = $ldapserver->auth_type;
if ($anon_bind) {
if (DEBUG_ENABLED)
debug_log('Anonymous Login was posted [%s].',4,$anon_bind);
$dn = null;
$pass = null;
/* Checks if the login_attr option is enabled for this host,
which allows users to login with a simple username like 'jdoe' rather
than the fully qualified DN, 'uid=jdoe,ou=people,,dc=example,dc=com'. */
} elseif ($ldapserver->isLoginAttrEnabled()) {
# Is this a login string (printf-style)
if( $ldapserver->isLoginStringEnabled() ) {
$dn = str_replace( '<username>', $uid, $ldapserver->getLoginString() );
if (DEBUG_ENABLED)
debug_log('LoginStringDN: [%s]',3,$dn);
} 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. */
$ldapserver->auth_type = 'config';
set_error_handler( 'temp_login_error_handler' );
if ($ldapserver->login_dn)
$ldapserver->connect(true,false);
else
$ldapserver->connect(true,true);
restore_error_handler();
if (! empty($ldapserver->login_class))
$filter = sprintf('(&(objectClass=%s)(%s=%s))',$ldapserver->login_class,$ldapserver->login_attr,$uid);
else
$filter = sprintf('%s=%s',$ldapserver->login_attr,$uid);
# Got through each of the BASE DNs and test the login.
foreach ($ldapserver->getBaseDN() as $base_dn) {
if (DEBUG_ENABLED)
debug_log('Searching LDAP with base [%s]',9,$base_dn);
$sr = @ldap_search($ldapserver->connect(false), $base_dn, $filter, array('dn'), 0, 1);
$result = @ldap_get_entries($ldapserver->connect(false), $sr);
$dn = isset( $result[0]['dn'] ) ? $result[0]['dn'] : false;
if ($dn) {
if (DEBUG_ENABLED)
debug_log('Got DN [%s] for user ID [%s]',5,$dn,$uid);
break;
}
}
# If we got here then we werent able to find a DN for the login filter.
if (! $dn)
pla_error($lang['bad_user_name_or_password']);
# restore the original auth_type
$ldapserver->auth_type = $save_auth_type;
}
}
# We fake a 'config' server auth_type to omit duplicated code
if (DEBUG_ENABLED)
debug_log('Setting login type to CONFIG with DN [%s]',9,$dn);
$save_auth_type = $ldapserver->auth_type;
$ldapserver->auth_type = 'config';
$ldapserver->login_dn = $dn;
$ldapserver->login_pass = $pass;
# Verify that dn is allowed to login
if (! userIsAllowedLogin($ldapserver,$dn))
pla_error( $lang['login_not_allowed'] );
if (DEBUG_ENABLED)
debug_log('User is not prohibited from logging in - now bind with DN [%s]',9,$dn);
# verify that the login is good
if( is_null($dn) && is_null($pass))
$ds = $ldapserver->connect(true,true,true);
else
$ds = $ldapserver->connect(true,false,true);
if (DEBUG_ENABLED)
debug_log('Connection returned [%s]',9,$ds);
if (! is_resource($ds)) {
if ($anon_bind)
pla_error($lang['could_not_bind_anon']);
else
pla_error($lang['bad_user_name_or_password']);
syslog_notice("Authentification FAILED for $dn");
}
$ldapserver->auth_type = $save_auth_type;
set_login_dn($ldapserver,$dn,$pass,$anon_bind) or pla_error( $lang['could_not_set_cookie'] );
set_lastactivity($ldapserver);
initialize_session_tree();
$_SESSION['tree'][$ldapserver->server_id] = array();
$_SESSION['tree_icons'][$ldapserver->server_id] = array();
if(! $anon_bind) {
syslog_notice("Authentification successful for $dn");
}
session_write_close();
include './header.php';
?>
<body>
<script language="javascript">
<?php if ($anon_bind && $config->GetValue('appearance','anonymous_bind_redirect_no_tree')) { ?>
parent.location.href='search.php?server_id=<?php echo $ldapserver->server_id; ?>'
<?php } else { ?>
parent.left_frame.location.reload();
<?php } ?>
</script>
<center>
<br />
<br />
<br />
<?php echo sprintf($lang['successfully_logged_in_to_server'],htmlspecialchars($ldapserver->name)); ?><br />
<?php if($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 $lang;
if (ini_get('error_reporting') == 0 || error_reporting() == 0)
return;
pla_error($lang['could_not_connect']."<br /><br />".htmlspecialchars($errstr));
}
?>