egroupware/phpgwapi/inc/class.auth_sql.inc.php

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<?php
/**************************************************************************\
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* eGroupWare API - Auth from SQL *
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* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
* and Joseph Engo <jengo@phpgroupware.org> *
* Encryption types other than md5() added by *
* Miles Lott <milos@groupwhere.org> based on code from *
* http://www.thomas-alfeld.de/frank/ *
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* Authentication based on SQL table *
* Copyright (C) 2000, 2001 Dan Kuykendall *
* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
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/* $Id$ */
class auth_
{
var $db = '';
var $previous_login = -1;
function auth_()
{
copyobj($GLOBALS['phpgw']->db,$this->db);
}
function authenticate($username, $passwd, $passwd_type)
{
if($passwd_type == 'text')
{
/* normal web form login */
$type = @$GLOBALS['phpgw_info']['server']['sql_encryption_type']
? strtolower($GLOBALS['phpgw_info']['server']['sql_encryption_type'])
: 'md5';
switch($type)
{
case 'smd5':
$this->db->query("SELECT account_lid,account_pwd FROM phpgw_accounts WHERE account_lid = '$username' AND "
. " account_type='u' AND "
. " account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if($GLOBALS['phpgw_info']['server']['case_sensitive_username'] == true)
{
if($this->db->f('account_lid') != $username)
{
return false;
}
}
if($this->db->f('account_pwd'))
{
return $this->smd5_compare($passwd,$this->db->f('account_pwd'));
}
break;
case 'sha':
$this->db->query("SELECT account_lid,account_pwd FROM phpgw_accounts WHERE account_lid = '$username' AND "
. " account_type='u' AND "
. " account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if($GLOBALS['phpgw_info']['server']['case_sensitive_username'] == true)
{
if($this->db->f('account_lid') != $username)
{
return false;
}
}
if($this->db->f('account_pwd'))
{
return $this->sha_compare($passwd,$this->db->f('account_pwd'));
}
break;
case 'ssha':
$this->db->query("SELECT account_lid,account_pwd FROM phpgw_accounts WHERE account_lid = '$username' AND "
. " account_type='u' AND "
. " account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if($GLOBALS['phpgw_info']['server']['case_sensitive_username'] == true)
{
if($this->db->f('account_lid') != $username)
{
return false;
}
}
if($this->db->f('account_pwd'))
{
return $this->ssha_compare($passwd,$this->db->f('account_pwd'));
}
break;
case 'md5_crypt':
case 'blowfish_crypt':
case 'ext_crypt':
case 'crypt':
$this->db->query("SELECT account_lid,account_pwd FROM phpgw_accounts WHERE account_lid = '$username' AND "
. " account_type='u' AND "
. " account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if($GLOBALS['phpgw_info']['server']['case_sensitive_username'] == true)
{
if($this->db->f('account_lid') != $username)
{
return false;
}
}
if($this->db->f('account_pwd'))
{
return $this->crypt_compare($passwd,$this->db->f('account_pwd'),$type);
}
break;
case 'md5':
default:
$this->db->query("SELECT * FROM phpgw_accounts WHERE account_lid = '$username' AND "
. " account_type='u' AND "
. "account_pwd='" . md5($passwd) . "' AND account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if($GLOBALS['phpgw_info']['server']['case_sensitive_username'] == true)
{
if($this->db->f('account_lid') != $username)
{
return false;
}
}
if($this->db->f('account_lid'))
{
$this->previous_login = $this->db->f('account_lastlogin');
return True;
}
else
{
return False;
}
break;
}
}
elseif($passwd_type == 'md5')
{
/* Where is this used? */
$this->db->query("SELECT * FROM phpgw_accounts WHERE account_lid = '$username' AND "
// . " account_type='u' AND "
. "account_pwd='" . $passwd . "' AND account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if($GLOBALS['phpgw_info']['server']['case_sensitive_username'] == true)
{
if($this->db->f('account_lid') != $username)
{
return false;
}
}
if($this->db->f('account_lid'))
{
$this->previous_login = $this->db->f('account_lastlogin');
return True;
}
else
{
return False;
}
}
else
{
return False;
}
}
function change_password($old_passwd, $new_passwd, $account_id = '')
{
$admin = True;
// Don't allow password changes for other accounts when using XML-RPC
if(!$account_id || $GLOBALS['phpgw_info']['flags']['currentapp'] == 'login')
{
$admin = False;
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$account_id = $GLOBALS['phpgw_info']['user']['account_id'];
}
$encrypted_passwd = $this->encrypt_sql($new_passwd);
/* Grab configured type, or default to md5() (old method) */
$type = @$GLOBALS['phpgw_info']['server']['sql_encryption_type']
? strtolower($GLOBALS['phpgw_info']['server']['sql_encryption_type'])
: 'md5';
switch($type)
{
case 'smd5':
$this->db->query("SELECT account_pwd FROM phpgw_accounts WHERE account_id = '" . (int)$account_id
. "' AND " // . " account_type='u' AND "
. " account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if($this->db->f('account_pwd'))
{
if(!$admin)
{
/* Check the old_passwd to make sure this is legal */
if(!$this->smd5_compare($old_passwd,$this->db->f('account_pwd')))
{
return False;
}
}
/* old password ok, or admin called the function from
* the admin application (no old passwd available).
*/
return $this->_update_passwd($encrypted_passwd,$new_passwd,$account_id,$admin,__FILE__);
}
return False;
case 'sha':
$this->db->query("SELECT account_pwd FROM phpgw_accounts WHERE account_id = '" . (int)$account_id
. "' AND " // . " account_type='u' AND "
. " account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if($this->db->f('account_pwd'))
{
if(!$admin)
{
/* Check the old_passwd to make sure this is legal */
if(!$this->sha_compare($old_passwd,$this->db->f('account_pwd')))
{
return False;
}
}
/* old password ok, or admin called the function from
* the admin application (no old passwd available).
*/
return $this->_update_passwd($encrypted_passwd,$new_passwd,$account_id,$admin,__FILE__);
}
return False;
case 'ssha':
$this->db->query("SELECT account_pwd FROM phpgw_accounts WHERE account_id = '" . (int)$account_id
. "' AND " // . " account_type='u' AND "
. " account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if($this->db->f('account_pwd'))
{
if(!$admin)
{
/* Check the old_passwd to make sure this is legal */
if(!$this->ssha_compare($old_passwd,$this->db->f('account_pwd')))
{
return False;
}
}
/* old password ok, or admin called the function from
* the admin application (no old passwd available).
*/
return $this->_update_passwd($encrypted_passwd,$new_passwd,$account_id,$admin,__FILE__);
}
return False;
case 'crypt':
case 'ext_crypt':
case 'md5_crypt':
case 'blowfish_crypt':
$this->db->query("SELECT account_pwd FROM phpgw_accounts WHERE account_id = '" . (int)$account_id
. "' AND " // . " account_type='u' AND "
. " account_status ='A'",__LINE__,__FILE__);
$this->db->next_record();
if($this->db->f('account_pwd'))
{
if(!$admin)
{
/* Check the old_passwd to make sure this is legal */
if(!$this->crypt_compare($old_passwd,$this->db->f('account_pwd'),$type))
{
return False;
}
}
/* old password ok, or admin called the function from
* the admin application (no old passwd available).
*/
return $this->_update_passwd($encrypted_passwd,$new_passwd,$account_id,$admin,__FILE__);
}
return False;
case 'md5':
default:
$pwd_check = '';
if(!$admin)
{
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$pwd_check = " AND account_pwd='" . $this->encrypt_sql($old_passwd) . "'";
}
$this->db->query("UPDATE phpgw_accounts SET account_pwd='" . $encrypted_passwd . "',"
. "account_lastpwd_change='" . time() . "' WHERE account_id='" . $account_id . "'" . $pwd_check,__LINE__,__FILE__);
$this->db->next_record();
if($this->db->affected_rows())
{
if(!$admin)
{
$GLOBALS['phpgw']->session->appsession('password','phpgwapi',$new_passwd);
}
return $encrypted_passwd;
}
else
{
return False;
}
}
}
function _update_passwd($encrypted_passwd,$new_passwd,$account_id,$admin=False,$file='')
{
/* This should only be called from this file */
if($file != PHPGW_API_INC . SEP . 'class.auth_sql.inc.php')
{
return False;
}
$this->db->query("UPDATE phpgw_accounts SET account_pwd='" . $encrypted_passwd . "',"
. "account_lastpwd_change='" . time()
. "' WHERE account_id=" . (int)$account_id,__LINE__,__FILE__);
$this->db->next_record();
if($this->db->affected_rows())
{
if(!$admin)
{
$GLOBALS['phpgw']->session->appsession('password','phpgwapi',$new_passwd);
}
return $encrypted_passwd;
}
else
{
return False;
}
}
function update_lastlogin($account_id, $ip)
{
$GLOBALS['phpgw']->db->query("UPDATE phpgw_accounts SET account_lastloginfrom='"
. "$ip', account_lastlogin='" . time()
. "' WHERE account_id='$account_id'",__LINE__,__FILE__);
}
}
?>