inc/gen_sql_patches.php

   1 <?php
   2 /************************************************************************
   3  * MXChange v0.2.1                                    Start: 10/08/2005 *
   4  * ===============                              Last change: 01/01/2006 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : gen_sql_patches.php                              *
   8  * -------------------------------------------------------------------- *
   9  * Short description : Patch password system after upgrading            *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  : Patcht das Passwort-System nach DB-Update        *
  12  * -------------------------------------------------------------------- *
  13  *                                                                      *
  14  * -------------------------------------------------------------------- *
  15  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  16  * For more information visit: http://www.mxchange.org                  *
  17  *                                                                      *
  18  * This program is free software; you can redistribute it and/or modify *
  19  * it under the terms of the GNU General Public License as published by *
  20  * the Free Software Foundation; either version 2 of the License, or    *
  21  * (at your option) any later version.                                  *
  22  *                                                                      *
  23  * This program is distributed in the hope that it will be useful,      *
  24  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  26  * GNU General Public License for more details.                         *
  27  *                                                                      *
  28  * You should have received a copy of the GNU General Public License    *
  29  * along with this program; if not, write to the Free Software          *
  30  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  31  * MA  02110-1301  USA                                                  *
  32  ************************************************************************/
  33
  34 // Some security stuff...
  35 if (ereg(basename(__FILE__), $_SERVER['PHP_SELF'])) {
  36         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
  37         require($INC);
  38 }
  39
  40 // Check for version of sql_patches
  41 if (GET_EXT_VERSION("sql_patches") < "0.3.6") return false;
  42
  43 // Check if there is no scrambling string
  44 if (empty($_CONFIG['pass_scramble'])) {
  45         // Generate 40 chars long scramble string
  46         $scrambleString = genScrambleString(40);
  47
  48         // ... and store it there for future usage
  49         UPDATE_CONFIG("pass_scramble", $scrambleString);
  50
  51         // Also remember it in config
  52         $_CONFIG['pass_scramble'] = $scrambleString;
  53         unset($scrambleString);
  54 }
  55
  56 // Check if there is no master salt string
  57 if (empty($_CONFIG['master_salt'])) {
  58         // Generate the master salt which is the first chars minus 40 chars of this random hash
  59         // We do an extra scrambling here...
  60         $masterSalt = scrambleString(substr(generateHash(GEN_PASS(rand(128, 256))), 0, -40));
  61
  62         // ... and store it there for future usage
  63         UPDATE_CONFIG("master_salt", $masterSalt);
  64
  65         // Also remember it in config
  66         $_CONFIG['master_salt'] = $masterSalt;
  67         unset($masterSalt);
  68 }
  69
  70 if (empty($_CONFIG['file_hash'])) {
  71         // Create filename from hashed random string
  72         $file_hash = generateHash(GEN_PASS(rand(128, 256)));
  73         $file = sprintf("%sinc/.secret/.%s", PATH, $file_hash);
  74
  75         // File hash was never created
  76         $fp = @fopen($file, 'w') or mxchange_die("Cannot write secret key file!");
  77         if ($fp != false) {
  78                 // Could write to secret file! So let's generate the secret key...
  79                 // 1. Count of chars to be taken from back of the string
  80                 $nums = rand(40, 45);
  81                 // 2. Generate secret key from a randomized string
  82                 $secretKey = substr(generateHash(GEN_PASS(rand(128, 256))), -$nums);
  83                 // 3. Write the key to the file
  84                 fwrite($fp, $secretKey);
  85                 // 4. Close file
  86                 fclose($fp);
  87
  88                 // Change access rights for more security
  89                 @chmod($file, 0644);
  90
  91                 //* DEBUG: */ unlink($file);
  92                 //* DEBUG: */ $test = hexdec(get_session('u_hash')) / hexdec($secretKey);
  93                 //* DEBUG: */ $test = generateHash(str_replace('.', "", $test));
  94                 //* DEBUG: */ die("Secret-Key: ".$secretKey."<br />Cookie: ".get_session('u_hash')."<br />Test: ".$test);
  95
  96                 // Write $file_hash to database
  97                 UPDATE_CONFIG("file_hash", $file_hash);
  98
  99                 // Also update configuration
 100                 $_CONFIG['secret_key'] = $secretKey;
 101                 $_CONFIG['file_hash']  = $file_hash;
 102
 103                 // And remove some variables
 104                 unset($secretKey);
 105                 unset($file_hash);
 106         }
 107 }
 108
 109 //
 110 ?>