mirror of
https://github.com/EGroupware/egroupware.git
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360 lines
12 KiB
PHP
360 lines
12 KiB
PHP
<?php
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/**************************************************************************\
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* phpGroupWare API - Auth from SQL *
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* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
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* and Joseph Engo <jengo@phpgroupware.org> *
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* Encryption types other than md5() added by *
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* Miles Lott <milos@groupwhere.org> based on code from *
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* http://www.thomas-alfeld.de/frank/ *
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* Authentication based on SQL table *
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* Copyright (C) 2000, 2001 Dan Kuykendall *
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* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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\**************************************************************************/
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/* $Id$ */
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class auth_
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{
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var $db = '';
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var $previous_login = -1;
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function auth_()
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{
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copyobj($GLOBALS['phpgw']->db,$this->db);
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}
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function authenticate($username, $passwd, $passwd_type)
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{
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if($passwd_type == 'text')
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{
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/* normal web form login */
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$type = @$GLOBALS['phpgw_info']['server']['sql_encryption_type']
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? strtolower($GLOBALS['phpgw_info']['server']['sql_encryption_type'])
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: 'md5';
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switch($type)
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{
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case 'sha':
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$this->db->query("SELECT account_lid,account_pwd FROM phpgw_accounts WHERE account_lid = '$username' AND "
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. " account_type='u' AND "
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. " account_status ='A'",__LINE__,__FILE__);
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$this->db->next_record();
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if($GLOBALS['phpgw_info']['server']['case_sensitive_username'] == true)
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{
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if($this->db->f('account_lid') != $username)
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{
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return false;
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}
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}
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if($this->db->f('account_pwd'))
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{
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/* Start with the first char after {SHA} */
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$hash = base64_decode(substr($this->db->f('account_pwd'),5));
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$new_hash = mhash(MHASH_SHA1, $passwd);
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// echo '<br> DB: ' . base64_encode($orig_hash) . '<br>FORM: ' . base64_encode($new_hash);
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if(strcmp($hash,$new_hash) == 0)
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{
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$this->previous_login = $this->db->f('account_lastlogin');
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return True;
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}
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else
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{
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return False;
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}
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}
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break;
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case 'ssha':
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$this->db->query("SELECT account_lid,account_pwd FROM phpgw_accounts WHERE account_lid = '$username' AND "
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. " account_type='u' AND "
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. " account_status ='A'",__LINE__,__FILE__);
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$this->db->next_record();
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if($GLOBALS['phpgw_info']['server']['case_sensitive_username'] == true)
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{
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if($this->db->f('account_lid') != $username)
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{
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return false;
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}
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}
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if($this->db->f('account_pwd'))
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{
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/* Start with the first char after {SSHA} */
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$hash = base64_decode(substr($this->db->f('account_pwd'), 6));
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// SHA-1 hashes are 160 bits long
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$orig_hash = substr($hash, 0, 20);
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$salt = substr($hash, 20);
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$new_hash = mhash(MHASH_SHA1, $passwd . $salt);
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// echo '<br> DB: ' . base64_encode($orig_hash) . '<br>FORM: ' . base64_encode($new_hash);exit;
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if(strcmp($orig_hash,$new_hash) == 0)
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{
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$this->previous_login = $this->db->f('account_lastlogin');
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return True;
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}
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else
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{
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return False;
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}
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}
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break;
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case 'md5_crypt':
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case 'blowfish_crypt':
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case 'ext_crypt':
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case 'crypt':
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$this->db->query("SELECT account_lid,account_pwd FROM phpgw_accounts WHERE account_lid = '$username' AND "
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. " account_type='u' AND "
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. " account_status ='A'",__LINE__,__FILE__);
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$this->db->next_record();
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if($GLOBALS['phpgw_info']['server']['case_sensitive_username'] == true)
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{
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if($this->db->f('account_lid') != $username)
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{
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return false;
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}
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}
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if($this->db->f('account_pwd'))
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{
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$saltlen = array(
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'blowfish_crypt' => 16,
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'md5_crypt' => 12,
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'ext_crypt' => 9,
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'crypt' => 2
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);
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$hash = $this->db->f('account_pwd');
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// PHP's crypt(): salt + hash
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// notice: "The encryption type is triggered by the salt argument."
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$salt = substr($hash, 0, (int)$saltlen[$type]);
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$new_hash = crypt($passwd, $salt);
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// echo "$hash<br>" . $new_hash;
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if(strcmp($hash,$new_hash) == 0)
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{
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$this->previous_login = $this->db->f('account_lastlogin');
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return True;
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}
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else
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{
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return False;
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}
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}
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break;
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case 'md5':
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default:
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$this->db->query("SELECT * FROM phpgw_accounts WHERE account_lid = '$username' AND "
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. " account_type='u' AND "
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. "account_pwd='" . md5($passwd) . "' AND account_status ='A'",__LINE__,__FILE__);
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$this->db->next_record();
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if($GLOBALS['phpgw_info']['server']['case_sensitive_username'] == true)
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{
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if($this->db->f('account_lid') != $username)
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{
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return false;
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}
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}
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if($this->db->f('account_lid'))
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{
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$this->previous_login = $this->db->f('account_lastlogin');
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return True;
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}
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else
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{
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return False;
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}
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break;
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}
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}
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elseif($passwd_type == 'md5')
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{
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/* Where is this used? */
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$this->db->query("SELECT * FROM phpgw_accounts WHERE account_lid = '$username' AND "
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// . " account_type='u' AND "
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. "account_pwd='" . $passwd . "' AND account_status ='A'",__LINE__,__FILE__);
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$this->db->next_record();
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if($GLOBALS['phpgw_info']['server']['case_sensitive_username'] == true)
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{
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if($this->db->f('account_lid') != $username)
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{
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return false;
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}
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}
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if($this->db->f('account_lid'))
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{
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$this->previous_login = $this->db->f('account_lastlogin');
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return True;
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}
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else
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{
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return False;
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}
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}
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else
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{
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return False;
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}
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}
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function change_password($old_passwd, $new_passwd, $account_id = '')
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{
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// Don't allow password changes for other accounts when using XML-RPC
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if(!$account_id || $GLOBALS['phpgw_info']['flags']['currentapp'] == 'login')
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{
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$account_id = $GLOBALS['phpgw_info']['user']['account_id'];
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}
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$encrypted_passwd = $this->encrypt_sql($new_passwd);
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echo 'old: ' . $old_passwd . 'new: ' . $new_passwd . ' ' . $account_id;
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echo $encrypted_passwd;exit;
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$type = @$GLOBALS['phpgw_info']['server']['sql_encryption_type']
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? strtolower($GLOBALS['phpgw_info']['server']['sql_encryption_type'])
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: 'md5';
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switch($type)
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{
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case 'sha':
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$this->db->query("SELECT account_pwd FROM phpgw_accounts WHERE account_id = '" . (int)$account_id
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. "' AND " // . " account_type='u' AND "
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. " account_status ='A'",__LINE__,__FILE__);
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$this->db->next_record();
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if($this->db->f('account_pwd'))
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{
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/* Start with the first char after {SHA} */
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$hash = base64_decode(substr($this->db->f('account_pwd'),5));
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$new_hash = mhash(MHASH_SHA1, $old_passwd);
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if(strcmp($orig_hash,$new_hash) == 0)
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{
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/* old password ok */
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$this->db->query("UPDATE phpgw_accounts SET account_pwd='" . $encrypted_passwd . "',"
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. "account_lastpwd_change='" . time()
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. "' WHERE account_id=" . (int)$account_id,__LINE__,__FILE__);
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$this->db->next_record();
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if($this->db->affected_rows())
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{
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$GLOBALS['phpgw']->session->appsession('password','phpgwapi',$new_passwd);
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return $encrypted_passwd;
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}
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else
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{
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return False;
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}
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}
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}
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break;
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case 'ssha':
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$this->db->query("SELECT account_pwd FROM phpgw_accounts WHERE account_id = '" . (int)$account_id
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. "' AND " // . " account_type='u' AND "
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. " account_status ='A'",__LINE__,__FILE__);
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$this->db->next_record();
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if($this->db->f('account_pwd'))
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{
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/* Start with the first char after {SSHA} */
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$hash = base64_decode(substr($this->db->f('account_pwd'), 6));
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// SHA-1 hashes are 160 bits long
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$orig_hash = substr($hash, 0, 20);
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$salt = substr($hash, 20);
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$new_hash = mhash(MHASH_SHA1, $old_passwd . $salt);
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if(strcmp($orig_hash,$new_hash) == 0)
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{
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/* old password ok */
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$this->db->query("UPDATE phpgw_accounts SET account_pwd='" . $encrypted_passwd . "',"
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. "account_lastpwd_change='" . time()
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. "' WHERE account_id=" . (int)$account_id,__LINE__,__FILE__);
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$this->db->next_record();
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if($this->db->affected_rows())
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{
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$GLOBALS['phpgw']->session->appsession('password','phpgwapi',$new_passwd);
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return $encrypted_passwd;
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}
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else
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{
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return False;
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}
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}
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}
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break;
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case 'crypt':
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case 'ext_crypt':
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case 'md5_crypt':
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case 'blowfish_crypt':
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$this->db->query("SELECT account_pwd FROM phpgw_accounts WHERE account_id = '" . (int)$account_id
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. "' AND " // . " account_type='u' AND "
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. " account_status ='A'",__LINE__,__FILE__);
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$this->db->next_record();
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if($this->db->f('account_pwd'))
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{
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$saltlen = array(
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'blowfish_crypt' => 16,
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'md5_crypt' => 12,
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'ext_crypt' => 9,
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'crypt' => 2
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);
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$hash = $this->db->f('account_pwd');
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// PHP's crypt(): salt + hash
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// notice: "The encryption type is triggered by the salt argument."
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$salt = substr($hash, 0, (int)$saltlen[$type]);
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$new_hash = crypt($old_passwd, $salt);
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// echo "$hash<br>" . $new_hash;
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if(strcmp($hash,$new_hash) == 0)
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{
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/* old password ok */
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$this->db->query("UPDATE phpgw_accounts SET account_pwd='" . $encrypted_passwd . "',"
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. "account_lastpwd_change='" . time()
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. "' WHERE account_id=" . (int)$account_id,__LINE__,__FILE__);
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$this->db->next_record();
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if($this->db->affected_rows())
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{
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$GLOBALS['phpgw']->session->appsession('password','phpgwapi',$new_passwd);
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return $encrypted_passwd;
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}
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else
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{
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return False;
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}
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}
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}
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return False;
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case 'md5':
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default:
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$pwd_check = " AND account_pwd='" . $GLOBALS['phpgw']->common->sql_encrypt_password($old_passwd) . "'";
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$this->db->query("UPDATE phpgw_accounts SET account_pwd='" . $encrypted_passwd . "',"
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. "account_lastpwd_change='" . time() . "' WHERE account_id='" . $account_id . "'" . $pwd_check,__LINE__,__FILE__);
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$this->db->next_record();
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if($this->db->affected_rows())
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{
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$GLOBALS['phpgw']->session->appsession('password','phpgwapi',$new_passwd);
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return $encrypted_passwd;
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}
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else
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{
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return False;
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}
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}
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}
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function update_lastlogin($account_id, $ip)
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{
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$GLOBALS['phpgw']->db->query("UPDATE phpgw_accounts SET account_lastloginfrom='"
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. "$ip', account_lastlogin='" . time()
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. "' WHERE account_id='$account_id'",__LINE__,__FILE__);
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}
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}
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?>
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