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 {
  37         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
  38         require($INC);
  39 }
  40
  41 // Check for version of sql_patches
  42 if (GET_EXT_VERSION("sql_patches") < "0.3.6") return false;
  43
  44 // Check if there is no scrambling string
  45 if (empty($_CONFIG['pass_scramble']))
  46 {
  47         // Generate 40 chars long scramble string
  48         $scrambleString = genScrambleString(40);
  49
  50         // ... and store it there for future usage
  51         $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET pass_scramble='%s' WHERE config=0 LIMIT 1",
  52          array($scrambleString), __FILE__, __LINE__);
  53
  54         // Also remember it in config
  55         $_CONFIG['pass_scramble'] = $scrambleString;
  56         unset($scrambleString);
  57 }
  58
  59 // Check if there is no master salt string
  60 if (empty($_CONFIG['master_salt']))
  61 {
  62         // Generate the master salt which is the first chars minus 40 chars of this random hash
  63         // We do an extra scrambling here...
  64         $masterSalt = scrambleString(substr(generateHash(GEN_PASS(rand(128, 256))), 0, -40));
  65
  66         // ... and store it there for future usage
  67         $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET master_salt='%s' WHERE config=0 LIMIT 1",
  68          array($masterSalt), __FILE__, __LINE__);
  69
  70         // Also remember it in config
  71         $_CONFIG['master_salt'] = $masterSalt;
  72         unset($masterSalt);
  73 }
  74
  75 if (empty($_CONFIG['file_hash']))
  76 {
  77         // Create filename from hashed random string
  78         $file_hash = generateHash(GEN_PASS(rand(128, 256)));
  79         $file = PATH."inc/.secret/.".$file_hash;
  80
  81         // File hash was never created
  82         $fp = @fopen($file, 'w') or mxchange_die("Cannot write secret key file!");
  83         if ($fp != false)
  84         {
  85                 // Could write to secret file! So let's generate the secret key...
  86                 // 1. Count of chars to be taken from back of the string
  87                 $nums = rand(40, 45);
  88                 // 2. Generate secret key from a randomized string
  89                 $secretKey = substr(generateHash(GEN_PASS(rand(128, 256))), -$nums);
  90                 // 3. Write the key to the file
  91                 fwrite($fp, $secretKey);
  92                 // 4. Close file
  93                 fclose($fp);
  94
  95                 // Change access rights for more security
  96                 @chmod($file, 0644);
  97
  98                 //* DEBUG: */ unlink($file);
  99                 //* DEBUG: */ $test = hexdec(get_session('u_hash')) / hexdec($secretKey);
 100                 //* DEBUG: */ $test = generateHash(str_replace('.', '', $test));
 101                 //* DEBUG: */ die("Secret-Key: ".$secretKey."<br>Cookie: ".get_session('u_hash')."<br>Test: ".$test);
 102
 103                 // Write $file_hash to database
 104                 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET file_hash='%s' WHERE config=0 LIMIT 1",
 105                  array($file_hash), __FILE__, __LINE__);
 106
 107                 // Also create .htaccess file
 108                 $fp = @fopen(PATH."inc/.secret/.htaccess", 'w') or mxchange_die("Cannot write to .htaccess file!");
 109                 if ($fp != false)
 110                 {
 111                         // Add deny line to file
 112                         fwrite($fp, "Deny from all");
 113
 114                         // Close the file
 115                         fclose($fp);
 116                 }
 117
 118                 // Also update configuration
 119                 $_CONFIG['secret_key'] = $secretKey; unset($secretKey);
 120                 $_CONFIG['file_hash']  = $file_hash; unset($file_hash);
 121         }
 122 }
 123
 124 //
 125 ?>